1 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4 for a function containing a landing pad.
5 * testsuite/g++.dg/other/pr24623.C: Testcase added.
7 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
9 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
12 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
14 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
15 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
17 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
20 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
22 (call,load,store): New insn types.
23 (mem_access, branch_access): Adjust reservation conditions.
24 (define_delay): Adjust condition.
25 (decrement_and_branch_until_zero): Allow for ms2. Set branch
27 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
28 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
30 (call_internal, call_value_internal, return_internal,
31 return_interrupt_internal, eh_return_internal, indirect_jump,
32 tablejump): Set call insn type.
33 (blockage, ei, di): Use appropriate unspec const.
34 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
35 (ms1_get_attr_type): Adjust to give load & store types.
36 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
37 backwards past a barrier.
38 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
40 (struct branch_info, struct label_info): New.
42 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
43 (ms1_machine_reorg): New.
44 (TARGET_MACHINE_DEPENDENT_REORG): Override.
45 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
46 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
47 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
50 2005-11-09 Per Bothner <per@bothner.com>
51 Uros Bizjak <uros@kss-loka.si>
54 * toplev.c (process_options): Initialize debug_hooks early
55 in case lang_hooks.post_options ends up calling a debug_hook.
57 2005-11-08 Jakub Jelinek <jakub@redhat.com>
59 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
60 DBX_REGISTER_NUMBER being contiguous.
62 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
63 Diego Novillo <dnovillo@redhat.com>
66 * tree-vrp.c (register_edge_assert_for): Do not register
67 always-false predicates.
69 2005-11-08 Devang Patel <dpatel@apple.com>
71 PR tree-optimization/23115
72 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
75 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
77 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
80 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
82 Fix PR tree-optimization/23382
84 * tree-ssa-alias.c (compute_may_aliases): Call
86 * tree-dfa.c (referenced_var_remove): New function.
87 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
88 * tree-flow.h (referenced_var_remove): Add prototype.
89 (delete_old_heap_vars): Ditto.
90 * tree-ssa-structalias.c (heapvars): New variable.
92 (get_constraint_for): Put heap vars on heapvars list.
93 (delete_old_heap_vars): New function.
95 2005-11-08 Jason Merrill <jason@redhat.com>
97 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
99 2005-11-08 Uros Bizjak <uros@kss-loka.si>
102 * reg-stack.c (reg_to_stack): Update register liveness also
103 for flag_sched2_use_traces.
105 2005-11-08 Alan Modra <amodra@bigpond.net.au>
108 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
109 override prior explicit -mno-powerpc-gfxopt.
111 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
113 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
114 if the bitsize is zero.
115 * doc/md.texi (Standard Pattern Names): Document it.
117 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
118 (TARGET_PASS_BY_REFERENCE): Likewise.
120 2005-11-07 Ian Lance Taylor <ian@airs.com>
122 PR rtl-optimization/24683
123 * config/i386/i386.c (legitimize_pic_address): If constant operand
124 to PLUS is too large, put it in a register.
126 2005-11-07 Jie Zhang <jie.zhang@analog.com>
128 * configure.ac: Enable checking assembler dwarf2 support for bfin
130 * configure: Regenerate.
132 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
136 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
137 gen_easy_vector_constant_add_self): Delete.
138 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
140 (output_vec_const_move): Use gen_easy_altivec_constant.
141 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
142 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
143 (easy_vector_constant_add_self): Rewritten.
144 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
145 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
146 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
147 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
148 Macroize and adjust for the other changes.
150 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
154 * c-typeck.c (build_c_cast): Try using a shared constant, and see
155 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
157 2005-11-07 Jakub Jelinek <jakub@redhat.com>
159 PR rtl-optimization/23567
160 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
161 (noce_process_if_block): Don't do any optimizations except
162 if (cond) x = x; if !set_b and write into orig_x may trap
163 or fault. Remove the MEM_READONLY_P check.
165 2005-11-06 Diego Novillo <dnovillo@redhat.com>
168 * tree-vrp.c (fix_equivalence_set): New.
169 (extract_range_from_assert): Call it.
171 2005-11-05 Ian Lance Taylor <ian@airs.com>
174 * combine.c (apply_distributive_law): Don't distribute across a
177 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
179 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
180 config/ms1/ms1.h, config/rs6000/predicates.md,
181 config/s390/s390.c, params.def, postreload-gcse.c,
182 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
183 tree-vrp.c, tree.c: Fix comment typos.
184 * doc/invoke.texi: Fix typos.
186 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
188 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
189 for testing whether the data_dependence_relation contains distance
190 vectors. Iterate over all distance vectors of the ddr.
191 * lambda.h: Define a vec of lambda_vector pointers.
192 * tree-data-ref.c (dump_data_dependence_relation,
193 dump_data_dependence_direction): Iterate over all distance and
194 direction vectors of the ddr.
195 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
197 (build_classic_dist_vector, build_classic_dir_vector): Push a set
198 of distance/direction vectors instead of a single one.
199 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
200 lambda_vectors with a vec of lambda_vectors.
201 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
202 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
203 DDR_NUM_DIST_VECTS): New.
204 * tree-loop-linear.c (gather_interchange_stats): Test for the
205 existence of distance vectors only after having checked that there
206 is a dependence. Iterate over all distance vectors of the ddr.
207 (linear_transform_loops): Use dump_data_dependence_relation.
208 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
209 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
210 distance vectors of the ddr.
212 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
214 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
215 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
216 IS_INTHANDLER; all callers changed.
217 (n_regs_saved_by_prologue): Take interrupt handler attributes into
219 (do_link, do_unlink): New argument ALL; all callers changed.
220 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
221 If function isn't leaf, save and restore all registers.
222 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
225 2005-11-05 Jan Hubicka <jh@suse.cz>
227 PR rtl-optimization/23490
228 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
229 max-flow-memory-location): Document.
230 * flow.c: Include params.h
231 (MAX_MEM_SET_LIST_LEN): Kill.
232 (add_to_mem_set_list): Use new param.
233 * cse.c (cse_basic_block): Replace 1000 by new param.
234 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
235 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
236 * predict.c (predict_loops): Use new param.
237 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
239 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
240 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
241 Do not hold memory returned by cgraph_node_name across other call.
243 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
246 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
249 2005-11-04 Jeff Law <law@redhat.com>
252 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
253 * tree-ssa-dom.c: Include params.h.
254 (thread_across_edge): If there are too many statements in the
255 target block, then do not thread through it.
256 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
257 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
259 2005-11-03 Diego Novillo <dnovillo@redhat.com>
262 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
263 TODO_update_ssa instead of TODO_update_ssa_no_phi.
265 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
268 * tree-scalar-evolution.c (instantiate_parameters_1,
269 instantiate_parameters, resolve_mixers): Compute the size of an
270 expression to be instantiated and give up the instantiation if the
271 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
273 2005-11-04 Richard Guenther <rguenther@suse.de>
275 * tree-flow.h (ref_contains_indirect_ref): Rename to
276 array_ref_contains_indirect_ref.
277 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
278 (array_ref_contains_indirect_ref): Make comment match the code
280 (ref_contains_array_ref): Likewise.
281 * tree-ssa-structalias.c (find_func_aliases): Remove call to
282 ref_contains_indirect_ref.
283 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
284 Rename calls to ref_contains_indirect_ref.
286 2005-11-04 Paul Brook <paul@codesourcery.com>
288 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
289 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
290 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
291 * config/arm/arm.md: Use match_operand in peephole input templates
292 and match_dup in peephole output templates.
294 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
296 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
299 2005-11-04 Mark Mitchell <mark@codesourcery.com>
300 Daniel Jacobowitz <dan@codesourcery.com>
302 * longlong.h (add_ssaaaa): Clobber condition code register
304 (sub_ddmmss): Likewise.
305 (umul_ppmm): Likewise.
307 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
308 Paul Brook <paul@codesourcery.com>
309 Phil Blundell <pb@reciva.com>
311 * configure.ac: Add test for ARM TLS support.
312 * configure: Regenerated.
313 * config/arm/arm-protos.h (legitimize_tls_address)
314 (arm_tls_referenced_p, tls_mentioned_p)
315 (arm_output_addr_const_extra): New prototypes.
316 (thumb_legitimize_pic_address): Delete.
317 * config/arm/arm.c: Include "gt-arm.h".
318 (enum tls_reloc): New.
319 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
320 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
321 (arm_call_tls_get_addr, legitimize_tls_address)
322 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
323 (arm_init_tls_builtins, arm_emit_tls_decoration)
324 (arm_output_addr_const_extra): New functions.
325 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
326 (TARGET_HAVE_TLS): Define.
327 (target_thread_pointer): New.
328 (arm_override_options): Handle -mtp=.
329 (legitimize_pic_address): Ignore UNSPECs.
330 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
332 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
333 (tls_get_addr_libfunc): New variable.
334 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
335 (arm_init_builtins): Call arm_init_tls_builtins.
336 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
337 (arm_encode_section_info): Call default_encode_section_info.
338 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
339 (enum arm_tp_type): New.
340 (target_thread_pointer): Add declaration.
341 (LEGITIMATE_CONSTANT_P): Handle TLS.
342 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
343 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
344 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
345 * config/arm/arm.md: Add UNSPEC_TLS.
347 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
349 (tls_load_dot_plus_eight): New insn and a peephole to create it.
350 (load_tp_hard, load_tp_soft): New insns.
351 * arm.opt: Add -mtp=.
352 * doc/invoke.texi (ARM Options): Document -mtp.
354 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
356 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
357 * config/arm/libunwind.S: Include "lib1funcs.asm".
358 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
359 (LIB2ADDEH): Add libunwind.S.
360 (LIB2ADDEHDEP): Add lib1funcs.asm.
361 * mklibgcc.in: Handle asm files in libgcc_eh.a.
363 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
366 * gcc/c.opt: Add a -lang-fortran option.
367 * gcc/c-opts.c: Add a lang_fortran flag.
368 (c_common_init_options): Handling the -lang-fortran option.
369 (c_common_handle_option): Add a case for Fortran options in
370 preprocessing. Remove cases for -ffixed-form and
371 -ffixed-line-length. Add a case for -lang-fortran.
373 2005-11-03 David Edelsohn <edelsohn@gnu.org>
375 * config/rs6000/rs6000.c: Include params.h
376 (optimization_options): Set max-grow-copy-bb-insns default to 16.
377 (bdesc_2arg): Delete vpkuhss and vpkuwss.
378 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
379 (UNSPEC_VPKUWSS): Delete.
380 (altivec_vpkuhss): Delete.
381 (altivec_vpkuwss): Delete.
382 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
384 (neg_eq0<mode>): Remove final condition.
385 (neg_eq<mode>): Remove condition and split-condition.
387 2005-11-04 Alan Modra <amodra@bigpond.net.au>
389 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
390 Use associated print macros.
392 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
395 * diagnostic.c (diagnostic_set_info_translated): New function.
396 (diagnostic_set_info): Use it. Add comment.
397 * diagnostic.h (diagnostic_set_info_translated): Declare.
399 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
401 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
402 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
403 reference only if 'public' is true.
404 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
405 emit the .hidden directive only if the indirect reference is public.
406 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
407 Pass it to dw2_force_const_mem.
408 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
409 * dwarf2out.c (output_cfi): Adjust calls to above function.
410 (output_call_frame_info): Likewise.
411 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
412 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
414 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
416 PR tree-optimization/24483
417 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
418 field to elts if possible.
420 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
423 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
426 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
428 Fix PR tree-optimization/24351
430 * tree-ssa-structalias.c (struct variable_info): Add
432 (get_varinfo_fc): New function to follow collapsing.
433 (new_var_info): Set collapsed_to to NULL.
434 (dump_constraint): Follow collapsing.
435 (build_constraint_graph): Handle collapsing.
436 (do_simple_structure_copy): Return false if something bad
438 (collapse_rest_of_var): New function.
439 (do_structure_copy): Collapse if do_simple_structure_copy returns
442 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
445 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
446 expressions to a statement list instead of gimplifying them.
448 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
450 PR rtl-optimization/23585
451 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
452 that can't trap plus a constant integer, if the mode has zero size.
454 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
457 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
459 ("*insv<mode>_reg_extimm"): Likewise.
461 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
464 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
465 c_common_type_for_mode returns an unnamed type.
467 2005-11-02 Richard Henderson <rth@redhat.com>
471 * dwarf2out.c (dwarf2out_reg_save_reg): New.
472 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
473 * function.c (assign_parms): Use calls.internal_arg_pointer.
474 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
476 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
477 (TARGET_CALLS): Add it.
478 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
479 * targhooks.c (default_internal_arg_pointer): New.
480 * targhooks.h (default_internal_arg_pointer): Declare.
481 * tree.h (dwarf2out_reg_save_reg): Declare.
482 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
483 * config/i386/i386.c (dbx_register_map): Add return column.
484 (dbx64_register_map, svr4_dbx_register_map): Likewise.
485 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
486 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
487 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
488 (ix86_save_reg): Save force_align_arg_pointer.
489 (ix86_emit_save_regs): Make regno unsigned.
490 (ix86_emit_save_regs_using_mov): Likewise.
491 (ix86_expand_prologue): Handle force_align_arg_pointer.
492 (ix86_expand_epilogue): Likewise.
493 * config/i386/i386.h: (dbx_register_map): Update.
494 (dbx64_register_map, svr4_dbx_register_map): Update.
495 (struct machine_function): Add force_align_arg_pointer.
496 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
497 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
498 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
500 2005-11-02 Jan Hubicka <jh@suse.cz>
503 * i386.md: Add peep2 for simplyfing array accesses.
505 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
508 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
509 * config/s390/s390.c (s390_decompose_shift_count): New function.
510 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
511 (print_shift_count_operand): Use s390_decompose_shift_count.
512 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
513 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
515 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
518 * loop.c (loop_givs_rescan): Use force_operand to expand
521 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
524 * fold-const.c (build_range_check): Use unsigned when signed
525 overflow is undefined also. If etype is subtype, make sure that
526 the subtraction is in the supertype.
528 2005-11-02 Richard Henderson <rth@redhat.com>
531 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
534 2005-11-01 Richard Henderson <rth@redhat.com>
537 * loop.c (scan_loop): Do not propagate computations to a hard
538 register destination with SMALL_REGISTER_CLASSES.
540 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
542 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
543 costs for MULT inside PLUS or MINUS.
545 2005-11-01 Bob Wilson <bob.wilson@acm.org>
547 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
548 (TRAMPOLINE_SIZE): Round up to 60.
549 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
551 2005-10-31 James E. Wilson <wilson@specifix.com>
554 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
555 ifdef. Put ifdefs around call in gen_subprogram_die.
556 (compute_frame_pointer_to_cfa_displacement): Likewise.
557 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
560 PR rtl-optimization/17356
561 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
562 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
564 2005-10-31 Jan Hubicka <jh@suse.cz>
567 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
570 * i386.c (legitimize_pic_address): Deal with large immediates.
573 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
574 from symbol names while computing checkup.
577 * predict.c (predict_loops): Do not estimate more than
578 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
579 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
581 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
583 PR tree-optimization/19097
584 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
586 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
588 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
590 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
593 * tree-inline.c (setup_one_parameter): If the init_stmt
594 is NULL, don't insert the statement.
596 2005-10-30 Jan Hubicka <jh@suse.cz>
598 PR tree-optimization/24172
599 * tree-inline.c (copy_body_r): Unshare the substituted value first.
601 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
603 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
604 constants for hosts with long != 32 bits.
606 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
609 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
611 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
613 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
614 (TARGET_MS1_16_002): New.
615 (TARGET_MS1_16_003): New.
617 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
618 ("*decrement_and_branch_until_zero_no_clobber"): New.
619 Add corresponding splitter for decrement_and_branch_until_zero
621 Key all decrement_and_branch_until_zero patterns off of
624 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
627 * tree-complex.c (extract_component): Treat RESULT_DECL
628 like the rest of the decls.
630 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
632 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
633 indirect call to _mcount if the function needs a static chain.
635 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
636 Caroline Tice <ctice@apple.com>
638 PR rtl-optimization/24460
639 * dwarf2out.c (have_switched_text_sections): New boolean variable.
640 (dwarf2out_switch_text_section): Set it to true instead of
641 incrementing separate_line_info_table_in_use.
642 (output_loc_list): Additionally test have_switched_text_sections.
643 (output_ranges): Likewise.
644 (dwarf2out_finish): Likewise.
645 * varasm.c (assemble_start_function): Do not call
646 insert_section_boundary_note.
647 (assemble_end_function): If flag_reorder_blocks_and_partition,
648 switch to the function's section before emitting the .size directive.
649 * bb-reorder.c (insert_section_boundary_note): Staticify.
650 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
651 * output.h (insert_section_boundary_note): Delete.
653 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
656 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
657 instead of pointer equality when comparing types.
659 2005-10-24 James E. Wilson <wilson@specifix.com>
661 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
662 add_dependence_list_and_free calls.
664 2005-10-24 Steven Bosscher <stevenb@suse.de>
666 * contrib.texi: Add the names of the LLNL folks who donated
667 Cray pointer support for gfortran.
669 2005-10-24 Steven Bosscher <stevenb@suse.de>
671 PR tree-optimization/24225
672 * profile.c (branch_prob): Look from end to start through a
673 basic block when looking for a locus.
675 2005-10-24 Richard Henderson <rth@redhat.com>
677 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
679 (hppa_expand_prologue): Likewise.
681 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
683 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
684 (NO_DEFERRED_PROFILE_COUNTERS): Define.
685 * pa.h (NO_PROFILE_COUNTERS): Define.
686 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
687 (funcdef_nos): New vector to hold label numbers of deferred profile
689 (output_deferred_profile_counters): New function.
690 (hppa_profile_hook): Push label number onto funcdef_nos.
691 (pa_hpux_file_end): Call output_deferred_profile_counters if
692 NO_DEFERRED_PROFILE_COUNTERS is false.
694 * pa-protos.h (get_deferred_plabel): New prototype.
695 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
697 (output_call): Adjust calls.
699 2005-10-24 Alan Modra <amodra@bigpond.net.au>
701 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
702 peculiarity of GOT/TOC section usage.
704 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
707 * c-common.c (constant_string_class_name): Add documentation.
709 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
712 * recog.c (peephole2_optimize): Increment peep2_current_count
713 only when the slot is empty.
715 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
718 * except.c (output_function_exception_table): Call
719 assemble_external_libcall if we need a personality function.
721 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
723 PR rtl-optimization/24460
724 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
725 set the basic block for barriers.
727 2005-10-21 Janis Johnson <janis187@us.ibm.com>
729 * var-tracking.c (vt_initialize): Initialize post.
731 2005-10-21 Devang Patel <dpatel@apple.com>
734 * c-common.c (vector_types_convertible_p): Check vector element type.
736 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
738 * config/sh/sh.c (prepare_move_operands): Handle the address
739 constant which is a tls symbolic address plus a constant.
741 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
744 * gcc.c (main): Use the correct counter for erroring out
745 about mulitple files.
747 2005-10-21 Alan Modra <amodra@bigpond.net.au>
750 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
751 use r2 for 64-bit tls .got access.
753 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
755 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
758 2005-10-20 Steven Bosscher <stevenb@suse.de>
760 PR tree-optimization/24307
761 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
763 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
766 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
768 * varasm.c (find_decl_and_mark_needed): After cgraph global info
769 is ready, stop marking functions, but still mark variables.
771 2005-10-20 Richard Guenther <rguenther@suse.de>
774 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
777 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
779 PR rtl-optimization/23585
780 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
781 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
782 (may_trap_p_1): New predicate extracted from...
783 (may_trap_p): ... here. Invoke may_trap_p_1.
784 (may_trap_or_fault_p): New predicate.
785 * rtl.h (may_trap_or_fault_p): Declare it.
786 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
787 instead of may_trap_p.
788 (steal_delay_list_from_fallthrough): Likewise.
789 (fill_simple_delay_slots): Likewise.
790 (fill_slots_from_thread): Likewise.
791 * function.c (pad_to_arg_alignment): Rework comment about
792 SPARC_STACK_BOUNDARY_HACK.
793 * config/sparc/sparc.h: Likewise.
795 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
797 * config/s390/s390.c (s390_expand_insv): New.
798 * config/s390/s390-protos.h (s390_expand_insv): Declare.
799 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
800 ("icm_hi"): Remove mode attribute.
801 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
803 ("*extracthi", "*extractqi"): Remove.
804 (extv<mode>", "*extzv<mode>"): New.
805 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
806 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
808 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
810 * cfgexpand.c (discover_nonconstant_array_refs_r,
811 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
812 (tree_expand_cfg): Call discover_nonconstant_array_refs.
813 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
814 discover_nonconstant_array_refs.
816 2005-10-19 Steven Bosscher <stevenb@suse.de>
819 * c-decl.c (pop_scope): Don't warn about an unused variable
820 if it is marked with TREE_NO_WARNING.
821 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
822 somenow mismatch and olddecl is to be replaced.
824 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
827 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
828 whether registers live on the edge can be saved/restored.
830 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
832 * config/sh/sh.c (fixup_mova): Skip notes.
834 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
836 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
837 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
838 (s390_can_eliminate): Handle BASE_REGNUM elimination.
839 (s390_initial_elimination_offset): Likewise.
840 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
841 register on TARGET_ZARCH targets.
842 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
843 (INITIAL_FRAME_POINTER_OFFSET): Remove.
844 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
845 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
847 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
849 * config/s390/s390.md: Comment describing output modifiers updated.
850 * config/s390/s390.c (print_operand): Likewise.
852 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
854 * config/s390/s390.c (override_options): Added check for -mstack-size
856 * doc/invoke.texi: Mention that limit in the documenation.
858 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
861 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
863 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
865 Fix PR tree-optimization/24231
867 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
868 (compute_avail): Ditto.
870 2005-10-18 Richard Henderson <rth@redhat.com>
873 * config/i386/i386.c (legitimate_constant_p): Check
874 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
876 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
877 (legitimate_pic_address_disp_p): Reorg CONST checking to make
878 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
880 (print_operand_address): Likewise.
881 * config/i386/predicates.md (x86_64_immediate_operand): Test
882 SYMBOL_REF_TLS_MODEL properly inside CONST.
883 (x86_64_zext_immediate_operand): Likewise.
884 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
885 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
886 * config/i386/i386-protos.h: Remove predicates.md entries.
888 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
890 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
891 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
893 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
894 Ian Lance Taylor <ian@airs.com>
897 * fold-const.c (fold_widened_comparison): Do not allow range based
898 constant folding when right operand cannot be unwidened.
900 2005-10-17 Richard Henderson <rth@redhat.com>
902 * builtins.c (expand_builtin_synchronize): Build a new-style asm
903 with a memory clobber.
905 2005-10-17 James E Wilson <wilson@specifix.com>
907 PR rtl-optimization/17356
908 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
909 checking for EDGE_EH.
911 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
913 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
914 the slot on an even boundary for any type with 16-byte alignment.
916 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
919 * md.texi (Modifiers) <%>: Clarify that % doesn't work
920 after register allocation.
922 2005-10-17 DJ Delorie <dj@redhat.com>
924 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
927 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
930 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
933 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
935 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
936 to 2 if it's already non-zero.
937 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
938 is set and warn about it if flag_schedule_insns is 1.
940 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
942 * config/crx/crx.md: Compare-and-branch instructions need to
945 2005-10-17 Uros Bizjak <uros@kss-loka.si>
948 * config/i386/i386.md (*pushdi2_rex64 splitter)
949 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
950 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
951 flow2 pass only when (optimize > 0 && flag_peephole2).
953 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
956 * gcc.c (have_c): New static variable.
958 (process_command): Remove declation of have_c.
959 Set have_o to 1 when handling -o.
960 (main): Add a fatel error if there are multiple
961 files specified and -o and -c/-S is passed witout
962 -combine or multiple languages.
964 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
966 Fix PR tree-optimization/22444
967 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
968 Assert that we don't hit something with subvars.
969 (setup_pointers_and_addressables): Don't add things with subvars,
970 because we'll already process the subvars for aliasing purposes.
972 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
975 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
976 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
977 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
978 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
979 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
980 swapped, alternatives for the R constraint.
983 * builtins.c (get_builtin_sync_mode): Make unlimited
984 mode_for_size request.
986 2005-10-15 Richard Henderson <rth@redhat.com>
988 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
989 (gimplify_expr): ... here.
990 (gimplify_compound_lval): Use it in initial scan loop. Allow
991 fb_lvalue in base expression.
993 2005-10-15 Richard Henderson <rth@redhat.com>
996 * builtins.c (expand_builtin_trap): Export.
997 * expr.h (expand_builtin_trap): Declare.
998 * expr.c (expand_assignment): Emit a trap for integral offsets
999 from registers that weren't reduced to bitpos.
1001 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1002 (mark_array_ref_addressable): Remove.
1003 * tree-flow.h (mark_array_ref_addressable): Remove.
1004 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1006 2005-10-15 James E Wilson <wilson@specifix.com>
1009 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1010 (add_dependence_list_and_free): Likewise.
1011 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1014 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1018 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1019 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1021 (vrp_visit_phi_node): Only prevent infinite iterations when
1022 the previous result and the new result are both VR_RANGEs.
1024 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1026 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1029 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1032 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1035 2005-10-14 Per Bothner <per@bothner.com>
1037 PR preprocessor/21250
1038 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1040 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1043 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1044 overflow flags. Refactor some conditionals.
1046 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1049 * tree-dfa.c (add_referenced_var): Only look at decls which
1050 have TREE_CONSTANT or TREE_READONLY set instead of if
1051 !TREE_PUBLIC or !TREE_CONSTANT.
1053 2005-10-13 James E Wilson <wilson@specifix.com>
1055 * doc/invoke.texi: For -x, add f95-cpp-input.
1056 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1058 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1060 PR tree-optimization/24262
1061 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1062 in loop all the time.
1064 2005-10-12 Richard Henderson <rth@redhat.com>
1067 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1068 * function.c (assign_parm_find_data_types): Don't support it.
1069 * print-tree.c (print_node): Likewise.
1070 * c-common.c (handle_transparent_union_attribute): Likewise.
1071 Use build_duplicate_type.
1072 * tree-inline.c (remap_type_1): Split out of remap_type;
1073 properly remap aggregate fields.
1074 (build_duplicate_type): New.
1075 * doc/extend.texi (Variable Attributes): Remove documentation
1076 for transparent_union.
1078 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1081 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1082 (gen_stack_pointer_dec): Likewise.
1084 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1088 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1090 (struct cxx): Add adjust_class_at_definition target hook.
1091 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1092 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1093 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1094 hook_void_tree. Add to TARGET_CXX.
1095 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1097 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1098 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1099 instead of attribute. Check for dllexport override. Warn if
1100 inconsistent dll linkage. Don't lose old dllimport if decl has
1101 had address referenced. Tweak lookup of dllimport atribute.
1102 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1103 for target specific rules. Don't add dllimport attribute if
1104 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1105 dllimport attribute.
1106 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1107 * varasm.c (initializer_constant_valid_p): Replace
1108 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1112 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1113 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1114 (i[34567]86-*-mingw32*): Likewise.
1116 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1117 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1119 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1120 C++-specific code. Change return value to bool.
1121 (i386_pe_dllimport_p): Likewise.
1122 (associated_type): Simplify and make language-independent
1123 (i386_pe_encode_section_info): Replace override of ambiguous
1124 dllimport symbol refs with a gcc_assert.
1125 (i386_pe_valid_dllimport_attribute_p): Define.
1126 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1127 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1128 i386_pe_adjust_class_at_definition.
1129 * config/i386/winnt-stubs.c: New file. Define stub versions of
1130 lang-specific functions.
1131 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1132 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1133 i386_pe_adjust_class_at_definition.
1134 (i386_pe_valid_dllimport_attribute_p): Declare.
1135 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1136 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1137 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1140 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1141 dllimport attribute with test of DECL_DLLIMPORT_P.
1143 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1145 * combine.c (make_extraction): Correct offset computation.
1147 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1149 * config/cris/t-linux (LIMITS_H_TEST): Define.
1151 2005-10-12 Richard Henderson <rth@redhat.com>
1154 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1156 2005-10-12 Richard Guenther <rguenther@suse.de>
1158 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1160 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1163 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1164 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1167 2005-10-12 Richard Guenther <rguenther@suse.de>
1170 * varasm.c (output_constant): Correct typo from previous
1173 2005-10-11 Ian Lance Taylor <ian@airs.com>
1175 PR rtl-optimization/13931
1176 * combine.c: Revert patch of 2003-05-14, and:
1177 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1178 completely killed in the appropriate insn.
1179 (distribute_notes): Don't skip multiple hard register test for
1180 elim_i1 and elim_i2.
1182 2005-10-11 Richard Henderson <rth@redhat.com>
1185 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1186 to initialize a transparent union instead of a nop_expr.
1188 2005-10-11 Richard Henderson <rth@redhat.com>
1190 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1191 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1192 (tree_ssa_dce_loop): Call scev_reset.
1195 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1196 * tree-ssa-dce.c: Include cfgloop.h.
1197 (tree_ssa_dce_loop, pass_dce_loop): New.
1198 * tree-pass.h (pass_dce_loop): Declare it.
1199 * passes.c (init_optimization_passes): Use it.
1201 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1204 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1205 Only apply the optimization for rounding builtins if the inner
1206 cast is also an extension.
1208 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1211 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1212 mark_new_vars_to_rename instead of update_stmt.
1214 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1216 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1218 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1220 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1221 for setting MMX register to 0 rather than mmx.
1223 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1226 * configure.ac: Move gas check from mips specific case to common case.
1227 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1228 * configure: Regenerate
1229 * doc/install.texi: Update.
1231 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1234 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1236 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1238 * gcc.c (do_spec_1): Accept numeric characters in file name
1241 2005-10-10 Nick Clifton <nickc@redhat.com>
1243 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1244 describing the deleted arm_gen_rotated_half_load function.
1246 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1248 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1251 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1253 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1255 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1256 (EXTRA_MULTILIB_PARTS): Define.
1257 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1258 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1259 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1260 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1261 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1262 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1264 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1266 PR tree-optimization/24226
1267 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1268 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1269 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1272 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1274 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1276 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1279 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1280 Rewrite for no need for the early clobber.
1282 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1284 Merge from csl-arm-branch:
1285 2005-09-07 Paul Brook <paul@codesourcery.com>
1286 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1289 2005-04-30 Paul Brook <paul@codesourcery.com>
1290 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1291 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1293 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1294 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1295 (arm_override_options): Use TARGET_AAPCS_BASED.
1296 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1297 (PTRDIFF_TYPE): Use int for AAPCS.
1298 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1299 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1300 (DEFAULT_SHORT_ENUMS): Delete.
1301 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1303 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1304 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1305 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1306 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1308 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1309 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1311 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1312 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1314 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1315 * config.gcc (arm*-*-linux-gnueabi): Add it.
1316 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1318 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1319 * config/arm/linux-eabi.h: New file.
1320 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1321 (LINUX_TARET_LINK_SPEC): Likewise.
1322 (LINK_SPEC): Use it.
1323 * config/arm/t-linux-eabi: New file.
1325 2005-10-08 Steven Bosscher <stevenb@suse.de>
1328 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1330 (PARAM_SMS_DFA_HISTORY): Likewise.
1332 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1335 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1336 (load_register_parameters): Call it.
1337 (check_sibcall_argument_overlap_1): Likewise.
1338 (store_one_arg): Likewise.
1340 2005-10-07 James E. Wilson <wilson@specifix.com>
1342 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1343 DImode not VECINT24 for operand 2.
1346 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1350 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1351 fr_spill): Use destination_operand for operand 0.
1353 2005-10-07 DJ Delorie <dj@redhat.com>
1355 * varasm.c (output_constant): Limit error to expanding
1358 2005-10-07 Richard Guenther <rguenther@suse.de>
1361 * fold-const.c (fold_binary): Fix operand types during folding
1362 of X op (A, Y). Evaluation order of the side-effects of
1363 X and A are frontend-defined, so ensure we honour that even for
1364 tcc_comparison class operands; eased by removing duplicate code.
1366 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1368 * stor-layout.c (layout_type): Do not allow alignment of array
1369 elements to be greater than their size.
1371 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1373 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1375 (hppa*-*-linux*): Ditto.
1376 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1377 * config/host-hpux.c: New.
1378 * config/x-hpux: New.
1379 * config/pa/x-hpux: Remove.
1380 * config/pa/x-linux: Remove.
1381 * config/pa/pa-host.c: Remove.
1383 2005-10-07 Jeff Law <law@redhat.com>
1385 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1386 determine whether or not to try and thread outgoing edges.
1388 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1390 * config/rs6000/rs6000.md (eqsi_power): New.
1391 (neg_eq0si): Add TARGET_POWER to final condition.
1394 2005-10-06 Richard Henderson <rth@redhat.com>
1396 * config/rs6000/rs6000.c: Revert last change.
1398 2005-10-06 Richard Henderson <rth@redhat.com>
1400 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1401 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1403 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1407 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1408 out return_label and naked_return_label.
1410 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1412 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1415 2005-10-06 Richard Henderson <rth@redhat.com>
1418 * tree-inline.c (declare_return_variable): Handle modify_dest not
1421 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1423 Fix PR tree-optimization/22488
1424 * tree-ssa-structalias.c (check_for_overlaps): New function.
1425 (create_variable_info_for): Use it.
1427 2005-10-06 Richard Henderson <rth@redhat.com>
1430 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1431 (dwarf2out_start_source_file): Print it.
1433 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1435 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1437 2005-10-06 Richard Henderson <rth@redhat.com>
1440 * mode-switching.c (optimize_mode_switching): Clear transp bit
1441 for block with incomming abnormal edges.
1443 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1444 (fpscr_set_from_mem): Use them.
1445 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1446 (fpscr postinc splitters): Rewrite as peephole2+split.
1448 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1450 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1451 (eq<mode>_compare): Same.
1453 2005-10-06 Richard Guenther <rguenther@suse.de>
1455 PR tree-optimization/24238
1456 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1458 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1460 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1461 here. Use AC_PATH_PROG for environment variables instead of
1463 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1465 * configure: Regenerated.
1467 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1470 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1471 then force it into a register.
1472 (call_value): Likewise.
1474 2005-10-06 Richard Henderson <rth@redhat.com>
1477 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1478 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1479 under pass_vectorize.
1481 2005-10-05 Devang Patel <dpatel@apple.com>
1484 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1485 handling constants. Check NAMESPACE_DECL context for constants.
1487 2005-10-05 Eric Christopher <echristo@apple.com>
1489 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1491 2005-10-05 Richard Henderson <rth@redhat.com>
1494 * tree-cfg.c (mark_array_ref_addressable_1): New.
1495 (mark_array_ref_addressable): New.
1496 * tree-flow.h (mark_array_ref_addressable): Declare.
1497 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1499 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1503 * reload.c (subst_reloads): When adding a REG_LABEL to a
1504 jump instruction, also update JUMP_LABEL.
1506 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1508 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1509 * bb-reorder.c (copy_bb_p): Use it.
1510 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1512 2005-10-05 Richard Henderson <rth@redhat.com>
1515 * toplev.c (process_options): Warn about unsupported combinations
1516 of unwind tables and omit-frame-pointer.
1517 * config/i386/i386.c (override_options): Similarly. Enable
1518 accumulate-outgoing-args if not explicitly disabled.
1520 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1522 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1523 Handle big endian vs. small endian.
1524 (vec_initv2sf): Handle big endian vs. small endian.
1525 (*vec_extractv2sf_1): Ditto.
1527 2005-10-05 Dale Johannesen <dalej@apple.com>
1529 * convert.c (convert_to_real): Don't convert
1530 (float)floor(double d) to floorf((float)d).
1532 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1534 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1536 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1538 PR tree-optimization/18587
1539 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1540 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1541 build_vuses): Change to VEC type.
1542 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1543 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1544 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1545 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1546 (get_name_decl): New. Return DECL_UID of base variable.
1547 (operand_build_cmp): New. qsort comparison routine.
1548 (operand_build_sort_virtual): New. Sort virtual build vector.
1549 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1550 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1551 (FINALIZE_BASE): Use get_name_decl.
1552 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1553 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1554 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1555 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1556 direct VEC_* manipulations.
1557 (build_ssa_operands): Call operand_build_sort_virtual.
1558 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1559 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1560 with direct VEC_* manipulations.
1561 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1562 with direct VEC manipulations.
1564 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1566 PR tree-optimization/21419
1567 PR tree-optimization/24146
1568 PR tree-optimization/24151
1570 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1571 (build_asm_expr): Call it if outputs are read-only.
1572 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1574 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1575 Paolo Bonzini <bonzini@gnu.org>
1579 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1580 enable the instructions and not just the built-ins.
1581 * doc/invoke.texi (x86 Options): Likewise.
1583 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1585 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1587 * doc/invoke.texi (Option Summary): Correct spelling
1588 of -mmacosx-version-min.
1590 2005-10-04 Devang Patel <dpatel@apple.com>
1592 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1595 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1597 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1598 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1600 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1602 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1603 ("TE","tg"): New mode attributes.
1604 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1605 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1606 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1607 dword_mode and one for GPRmode.
1609 2005-10-04 Ian Lance Taylor <ian@airs.com>
1611 PR preprocessor/13726
1612 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1613 any comments passed in.
1615 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1617 * tree.c (annotate_with_file_line): Fix typo.
1619 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1622 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1623 type used to access data in the inlined length == 1 case, use
1624 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1625 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1627 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1629 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1630 TARGET_SSE3 and only for TARGET_80387.
1631 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1632 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1633 Do not depend on TARGET_80387.
1635 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1637 * tree.c (last_annotated_node): Change type to location_t*.
1638 (annotate_with_file_line): Reflect the change of
1639 last_annotated_node type.
1641 2005-10-04 Richard Guenther <rguenther@suse.de>
1644 * c-decl.c (grokdeclarator): Don't write to fields
1647 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1650 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1652 * varasm.c (make_decl_rtl): If a register variable does not
1653 have a set user assmbler name, error out.
1654 Decode the asmspec is now name+1 bypassing '*'.
1656 2005-10-04 Steven Bosscher <stevenb@suse.de>
1658 PR tree-optimization/23049
1659 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1660 of a COND_EXPR is folded before calling fold on the whole rhs of a
1661 conditional assignment.
1662 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1663 document that a COND_EXPR may appear there.
1665 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1668 * tree-vrp.c (extract_range_from_assert): If the new numeric
1669 range created out of the assertion contradicts the existing
1670 numeric range of the ASSERT_EXPR variable, make the new range
1673 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1675 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1676 from T_REGS to FP register class.
1678 2005-10-03 Richard Henderson <rth@redhat.com>
1681 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1682 before creating a new one.
1684 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1686 * config/rs6000/t-aix43 (LDFLAGS): New.
1687 * config/rs6000/t-aix52 (LDFLAGS): New.
1689 2005-10-03 Ian Lance Taylor <ian@airs.com>
1691 * gimplify.c (find_single_pointer_decl_1): New static function.
1692 (find_single_pointer_decl): New static function.
1693 (internal_get_tmp_var): For a formal variable, set restrict base
1694 information if appropriate.
1695 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1697 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1698 (DECL_GET_RESTRICT_BASE): Define.
1699 (SET_DECL_RESTRICT_BASE): Define.
1700 (decl_restrict_base_lookup): Declare.
1701 (decl_restrict_base_insert): Declare.
1702 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1703 * tree.c (restrict_base_for_decl): New static variable.
1704 (init_ttree): Initialize restrict_base_for_decl.
1705 (copy_node_stat): Copy restrict base information.
1706 (decl_restrict_base_lookup): New function.
1707 (decl_restrict_base_insert): New function.
1708 (print_restrict_base_statistics): New static function.
1709 (dump_tree_statistics): Call print_restrict_base_statistics.
1711 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1714 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1715 case of anti-ranges.
1717 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1720 * c-typeck.c (tagged_tu_seen): Rename to ...
1721 (tagged_tu_seen_cache): this and add val field.
1722 (comptypes): Move functional to comptypes_internal
1723 and free tagged_tu_seen.
1724 (comptypes_internal): New function and call comptypes_internal
1725 instead of comptypes. Speed up by sibcalling
1726 tagged_types_tu_compatible_p.
1727 (alloc_tagged_tu_seen): New function
1728 (free_all_tagged_tu_seen_up_to): New function.
1729 (tagged_types_tu_compatible_p): Return the val of the seen two
1731 Add that the two types are the same to tagged_tu_seen_base
1732 if they are and call comptypes_internal instead of comptypes.
1733 <case UNION_TYPE>: Speed up common type where the fields are
1735 (function_types_compatible_p): Call comptypes_internal instead of
1737 (type_lists_compatible_p): Likewise.
1738 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1740 2005-10-02 Matthias Klose <doko@debian.org>
1742 * doc/invoke.texi: Fix typo and speling error.
1744 2005-10-01 Richard Henderson <rth@redhat.com>
1746 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1748 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1750 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1751 using --start-group and --end-group.
1753 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1755 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1756 FIXME note regarding quirky semantics.
1758 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1761 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1762 non-null range as a last resort.
1764 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1765 Diego Novillo <dnovillo@redhat.com>
1768 * tree-vrp.c (extract_range_from_assert): For !=
1769 assertions, only build an anti-range if LIMIT is a
1770 single-valued range.
1772 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1774 * arm.md (movqi): On thumb when optimizing, handle loading from
1775 memory by describing this as taking a subreg of a zero-extended load
1776 into an SImode register.
1779 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1781 * reload1.c (merge_assigned_reloads): Do not change any
1782 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1784 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1786 * Makefile.in (LIPO_FOR_TARGET): Define.
1787 (STRIP_FOR_TARGET): Define.
1789 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1790 before creating new ones. Do symlinks before creating the actual
1793 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1794 to work out which multilibs are actually being built.
1796 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
1798 * tree-vect-transform.c, config/ms1/ms1.md,
1799 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1800 Follow spelling conventions.
1801 * doc/invoke.texi, doc/md.texi: Fix typos.
1803 2005-09-30 Andrew Macleod <amacleod@redat.com>
1805 PR tree-optimization/21430
1806 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1807 use operands, and set stmt pointer if need be.
1808 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1809 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1812 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1815 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1817 2005-09-29 Mark Mitchell <mark@codesourcery.com>
1819 * optabs.c (expand_binop): Initialize first_pass_p.
1821 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1824 * c-decl.c (c_write_global_declarations_1): If any
1825 wrapup_global_declaration_2 call returned true, restart the loop.
1827 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1829 Fix PR tree-optimization/24117
1830 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1831 before considering whether to use anyoffset.
1833 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1837 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1839 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1841 (swap_commutative_operands_with_target): New.
1843 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1846 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1849 2005-09-29 Steven Bosscher <stevenb@suse.de>
1851 PR tree-optimization/23911
1852 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1853 and IMAGPART_EXPR too.
1855 2005-09-28 Mark Mitchell <mark@codesourcery.com>
1858 * expmed.c (expand_shift): Move logic to reverse rotation
1859 direction when rotating by constants ...
1860 * optabs.c (expand_binop): ... here.
1861 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1862 (ix86_rotrdi3): New pattern.
1863 (rotldi3): Handle 32-bit mode.
1864 (ix86_rotldi3): New pattern.
1866 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1869 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1870 check for numbers that need no bit twiddle.
1872 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1874 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1875 multilib to be built.
1877 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1878 (stage1-start): Delete old libgcc and libunwind before moving
1879 anything into the stage directory.
1880 (stage2-start): Likewise.
1881 (stage3-start): Likewise.
1882 (stage4-start): Likewise.
1883 (stageprofile-start): Likewise.
1884 (stagefeedback-start): Likewise.
1885 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1886 header in tm_file and CPU-specific t-darwin in tmake_file.
1887 (i[34567]86-*-darwin*): Don't change tm_file.
1888 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1889 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1890 shared library stub for target OS version.
1891 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1892 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1893 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1894 (libgcc_s.%.dylib): New.
1896 (install-darwin-libgcc-stubs): New.
1897 (INSTALL_LIBGCC): New append.
1898 * config/i386/darwin-libgcc.10.4.ver: New.
1899 * config/i386/darwin-libgcc.10.5.ver: New.
1900 * config/i386/t-darwin: New.
1901 * config/rs6000/darwin-libgcc.10.4.ver: New.
1902 * config/rs6000/darwin-libgcc.10.5.ver: New.
1903 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1904 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1906 2005-09-28 Paul Brook <paul@codesourcery.com>
1908 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1911 2005-09-28 Richard Guenther <rguenther@suse.de>
1913 PR tree-optimization/23853
1914 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1915 host_integerp to verify misalignment value.
1917 2005-09-28 Richard Henderson <rth@redhat.com>
1919 * builtins.c (get_builtin_sync_mode): New.
1920 (expand_builtin_sync_operation): Pass in mode argument.
1921 (expand_builtin_compare_and_swap): Likewise.
1922 (expand_builtin_lock_test_and_set): Likewise.
1923 (expand_builtin_lock_release): Likewise.
1924 (expand_builtin): Update to match.
1926 2005-09-28 Nick Clifton <nickc@redhat.com>
1928 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1929 formatting. Add check to PLUS case to ensure that the offset is
1930 within an acceptable range.
1932 * config/v850/v850.md (casesi): Disable the generation of the
1933 switch pattern as it is not being handled properly at the moment.
1935 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1936 for when the high words are identical.
1938 2005-09-27 Richard Henderson <rth@redhat.com>
1940 * pretty-print.c (pp_base_format): Fix typo for %>.
1942 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1943 Devang Patel <dpatel@apple.com>
1945 PR tree-optimization/23625
1946 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1947 LABEL_EXPR, assertion check.
1949 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1951 * optabs.c (no_conflict_move_test): Check if a result of a
1952 to-be-moved insn would be clobbered by an originally
1955 2005-09-27 Jeff Law <law@redhat.com>
1957 * passes.c (init_optimization_passes): Replace copy propagation
1958 passes immediately after DOM with phi-only copy propagation
1959 pases. Add phi-only copy propagation pass after first DOM pass.
1960 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1961 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1962 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1963 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1964 to init_copy_prop. Callers updated.
1965 (do_phi_only_copy_prop): New function.
1966 (pass_phi_only_copy_prop): New pass descriptor.
1968 2005-09-27 Nick Clifton <nickc@redhat.com>
1970 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1972 2005-09-26 Jason Merrill <jason@redhat.com>
1975 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1977 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1979 2005-09-26 James E Wilson <wilson@specifix.com>
1981 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1982 copyright. Add gcc copyright plus libgcc exception.
1983 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1985 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1987 2005-09-26 Jeff Law <law@redhat.com>
1989 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1990 about when to iterate.
1992 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1995 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1996 for __complex__ double in -mcpu=G5 mode.
1998 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2000 PR tree-optimization/23942
2001 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2002 * tree-scalar-evolution.c: Include params.h.
2004 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2005 follow_ssa_edge_in_condition_phi_branch,
2006 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2007 Change return type to t_bool. Use a parameter to limit the size of
2008 trees that are walked before stopping
2009 (analyze_evolution_in_loop): Initialize the limit to 0.
2010 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2011 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2013 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2016 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2017 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2019 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2021 * combine.c (make_extraction): Check for valid use of subreg.
2023 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2026 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2027 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2028 ("fist<mode>2_with_temp"): Use only register operands.
2030 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2032 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2033 CALL_INSN_FUNCTION_USAGE.
2035 2005-09-26 Richard Guenther <rguenther@suse.de>
2038 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2039 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2040 (ldst_entry): Use the hashtable instead of list-walking.
2041 (find_rtx_in_ldst): Likewise.
2042 (free_ldst_entry): Free the hashtable.
2043 (compute_ld_motion_mems): Create the hashtable.
2044 (trim_ld_motion_mems): Remove entry from hashtable if
2045 removing it from list.
2046 (compute_store_table): Likewise^2.
2047 (store_motion): Free hashtable in case we did not see
2050 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2052 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2053 and arg1 if we are passing them to fold_build2.
2055 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2058 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2061 2005-09-25 Richard Henderson <rth@redhat.com>
2063 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2064 SYMBOL_REF_TLS_MODEL to be correct.
2066 2005-09-24 Richard Henderson <rth@redhat.com>
2068 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2069 end of function. Reindent.
2071 2005-09-24 Ian Lance Taylor <ian@airs.com>
2073 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2074 NEGATE_EXPR/BIT_NOT_EXPR case.
2076 2005-09-24 Richard Henderson <rth@redhat.com>
2078 * c-common.c (handle_mode_attribute): When not modifying in place,
2079 create subtypes for enumerations.
2080 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2081 * gimplify.c (create_tmp_from_val): Likewise.
2083 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2085 * config/i386/i386.md (*tls_global_dynamic_64,
2086 *tls_local_dynamic_base_64): Add missing mode to call.
2087 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2089 2005-09-24 Jan Hubicka <jh@suse.cz>
2091 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2092 (cgraph_clone_node): Likewise.
2093 * cgraph.h (cgraph_clone_edge): Update prototype.
2094 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2095 duplicated prototypes; add updating argument.
2096 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2097 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2099 (cgraph_mark_inline_edge): Likewise.
2100 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2101 (cgraph_flatten_node): Likewise.
2102 (cgraph_decide_recursive_inlining): Likewise.
2103 (cgraph_decide_inlining_of_small_function): Likewise.
2104 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2106 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2107 Pete Steinmetz <steinmtz@us.ibm.com>
2109 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2110 (rldic.): Set type to "compare".
2112 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2113 mfjmpr for MFCTR/MFLR.
2114 (movdf_hardfloat64): Same.
2115 (movdf_softfloat64): Same. Correct order of store and move types.
2116 (movti_string): Set type to store_ux/load_ux.
2117 (load_multiple): Set type to load_ux.
2118 (store_multiple): Set type to store_ux.
2119 (movmemsi): Set type to store_ux.
2120 (output_cbranch direct_return): Set type to jmpreg.
2121 (stmw): Set type to store_ux.
2122 (lmw): Set type to load_ux.
2123 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2124 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2125 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2126 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2127 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2128 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2129 (rios1-fpstore): Increase latency to 3.
2130 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2131 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2133 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2134 Andrew Pinski <pinskia@physics.uc.edu>
2136 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2137 operand2 constraint to "b".
2138 (sync_<fetchop_name>di_internal): Same.
2139 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2141 (sync_old_<fetchop_name>di_internal): Same.
2142 (sync_new_<fetchop_name>si_internal): Same.
2143 (sync_new_<fetchop_name>di_internal): Same.
2145 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2148 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2149 case, define as macros.
2151 PR rtl-optimization/23837
2152 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2153 clobber / clobber match between dest and p->first.
2155 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2156 (no_conflict_move_test): Update comments.
2158 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2160 * doc/install.texi: Update URL for Jacks.
2161 * doc/sourcebuild.texi: Likewise.
2163 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2166 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2167 registers when choosing register preferences.
2168 (movdf_hardfloat64): Same.
2170 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2172 * expmed.c (expand_shift): Don't use the target of the rotate as
2173 target for the first expanded shift insn.
2174 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2176 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2178 PR tree-optimization/22438
2179 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2180 preserved iv rhs rewriting specially.
2182 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2184 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2185 estimate_only is true.
2186 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2187 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2188 tree-ssa-structalias.c
2189 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2190 ref_contains_indirect_ref.
2191 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2193 2005-09-21 DJ Delorie <dj@redhat.com>
2195 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2197 (mn10300_return_in_memory): Support variable size types also.
2198 (mn10300_pass_by_reference): Likewise.
2199 (mn10300_function_value): New.
2200 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2201 (FUNCTION_OUTGOING_VALUE): Likewise.
2202 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2203 * doc/invoke.texi: Document it.
2205 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2208 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2209 force integer op1 into register for XFmode compares.
2211 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2214 * expmed.c (alg_code): Add alg_impossible.
2215 (alg_hash_entry): Add cost.
2216 (synth_mult): Record alg_impossible in the hash table if
2217 multiplication by a given integer is impossble within the
2218 limit. Speed up using alg_impossible.
2220 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2222 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2223 argument. Allow and set any offset if needs_anyoffset is passed
2225 (get_constraint_for): Add argument here too.
2227 (do_structure_copy): Pass NULL to get_constraint_for.
2228 (handle_ptr_arith): Ditto.
2229 (find_func_aliases): Ditto.
2231 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2233 PR rtl-optimization/23898
2234 * output.h (get_attr_min_length): Declare.
2235 * final.c (get_attr_length_1): New function, broken out of:
2237 (get_attr_min_length): New function.
2238 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2239 (duplicate_computed_gotos): Likewise.
2240 * genattr.c (insn_min_length): Generate declaration.
2241 * genattrtab.c (min_fn, min_attr_value): New functions.
2242 (make_length_attrs): Generate insn_min_length.
2244 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2246 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2248 2005-09-20 Richard Henderson <rth@redhat.com>
2250 PR tree-optimization/24059
2251 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2254 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2256 * c.opt (fextended-identifiers): New.
2257 * c-opts.c (c_common_handle_option): Handle
2258 -fextended-identifiers.
2259 * doc/cpp.texi: Update documentation of extended identifiers.
2260 * doc/cppopts.texi (-fextended-identifiers): Document.
2262 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2264 PR tree-optimization/23929
2265 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2268 PR tree-optimization/23818
2269 * tree-stdarg.c (execute_optimize_stdarg): Call
2270 calculate_dominance_info.
2272 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2274 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2275 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2276 (compute_overlap_steps_for_affine_1_2): Use
2277 get_number_of_iters_for_loop.
2278 (analyze_subscript_affine_affine): Check whether difference is
2280 Use get_number_of_iters_for_loop.
2281 Check whether overlap occurs outside of bounds.
2282 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2284 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2286 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2287 base register if possible.
2289 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2291 PR tree-optimization/18463
2292 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2293 converting it directly is not possible.
2294 (chrec_convert_aggressive): New function.
2295 * tree-chrec.h (chrec_convert_aggressive): Declare.
2296 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2297 Fold chrec conversions aggressively if asked to.
2298 (instantiate_parameters): Modified because of changes in
2299 instantiate_parameters_1.
2301 2005-09-19 Richard Henderson <rth@redhat.com>
2303 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2304 (reduc_splus_v2df): New.
2306 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2308 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2309 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2311 2005-09-19 Richard Henderson <rth@redhat.com>
2313 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2316 2005-09-19 Richard Henderson <rth@redhat.com>
2318 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2319 (ia64_expand_dot_prod_v8qi): New.
2320 * config/ia64/ia64-protos.h: Update.
2321 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2322 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2323 sdot_prodv8qi, sdot_prodv4hi): New.
2324 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2326 2005-09-19 Richard Henderson <rth@redhat.com>
2329 * real.c (exact_real_truncate): Return false if the format cannot
2330 represent the number as a normal.
2332 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2333 for a memory source.
2335 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2337 * tree-ssa-operands.c (swap_tree_operands): Export.
2338 * tree.h (swap_tree_operands): Declare.
2339 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2340 Call swap_tree_operands.
2342 2005-09-19 Richard Henderson <rth@redhat.com>
2344 * tree-flow.h (merge_alias_info): Declare.
2345 * tree-ssa-copy.c (merge_alias_info): Export.
2346 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2347 (vect_create_data_ref_ptr): Use create_iv directly.
2348 (vectorizable_load): Use correct types for integer constants.
2349 (vect_generate_tmps_on_preheader): Likewise.
2350 (vect_gen_niters_for_prolog_loop): Likewise.
2352 2005-09-19 Steven Bosscher <stevenb@suse.de>
2354 PR rtl-optimization/23943
2355 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2357 2005-09-18 Jan Hubicka <jh@suse.cz>
2359 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2361 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2363 * varasm.c (output_constant): Do not abort on conversions to union
2364 types between different sizes.
2366 2005-09-18 Richard Guenther <rguenther@suse.de>
2369 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2372 2005-09-18 Paul Brook <paul@codesourcery.com>
2374 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2376 2005-09-17 Richard Henderson <rth@redhat.com>
2378 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2379 * tree-ssa-loop.c (pass_vect_dce): Remove.
2380 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2383 2005-09-17 Richard Henderson <rth@redhat.com>
2385 * tree-pass.h (pass_vect_dce): Declare.
2386 * passes.c (init_optimization_passes): Add it.
2387 * tree-flow.h (tree_ssa_dce): Declare.
2388 * tree-ssa-dce.c (tree_ssa_dce): Export.
2389 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2390 (gate_tree_vectorize): ... here.
2391 (pass_vect_dce): New.
2393 2005-09-17 Jan Hubicka <jh@suse.cz>
2395 * except.c (struct eh_status): Turn region_array into vec.
2396 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2397 convert_from_eh_region_ranges, find_exception_handler_labels,
2398 current_function_has_exception_handlers, assign_filter_values,
2399 build_post_landing_pads, dw2_build_landing_pads,
2400 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2401 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2402 foreach_reachable_handler, can_throw_internal_1,
2403 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2405 (duplicate_eh_region_1): Update region_array.
2406 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2408 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2411 * expmed.c (expand_mult): Substitute simple register for op0 when
2414 2005-09-17 Richard Henderson <rth@redhat.com>
2416 * expr.c (emit_move_via_integer): Add force argument, pass it on
2417 to emit_move_change_mode. Update callers.
2418 (emit_move_complex): Pass true to new force argument.
2419 * function.c (expand_function_end): Move expand_eh_return call
2420 earlier. Merge sub-word complex values into a pseudo before
2421 copying to the return hard register.
2423 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2425 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2426 between different sizes.
2428 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2432 * passes.c (init_optimization_passes): Register dump files for
2435 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2437 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2438 * config/s390/s390.c (s390_overlap_p): New function.
2439 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2440 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2443 2005-09-16 Richard Guenther <rguenther@suse.de>
2445 * ipa-pure-const.c (static_execute): Free auxiliar information.
2446 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2447 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2449 2005-09-15 DJ Delorie <dj@redhat.com>
2451 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2453 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2455 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2457 (swap_commutative_operands_with_target): New.
2459 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2461 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2464 (estimate_iters_using_array): New function.
2465 * tree-data-ref.h (estimate_iters_using_array): Prototype
2466 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2467 Use estimate_iters_using_array instead of analyze_array.
2469 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2471 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2474 2005-09-15 Michael Matz <matz@suse.de>
2476 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2478 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2480 PR tree-optimization/23835
2481 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2482 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2484 2005-09-14 Richard Henderson <rth@redhat.com>
2486 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2487 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2489 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2491 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2492 in the ARRAY_TYPE case.
2494 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2496 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2498 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2501 * tree-vect-transform.c (vectorizable_operation): Return false for
2502 scalar shift operations and for vector shift operations with
2503 non-invariant shift arguments. Use scalar tree operand op1 as
2504 a shift operand when vector shift insn pattern uses scalar shift
2506 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2508 2005-09-14 Olivier Hainque <hainque@adacore.com>
2510 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2511 value if it has side-effects.
2513 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2516 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2518 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2520 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2521 passed as NAME as if it were label at start of function code.
2523 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2525 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2528 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2530 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2531 as early clobber. Rewrite so the PIC register is not implicitly used.
2533 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2535 * tree.c (annotate_with_file_line): Compare line numbers before
2538 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2541 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2542 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2544 2005-09-13 Ian Lance Taylor <ian@airs.com>
2546 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2547 than a HOST_WIDEST_INT to gen_doloop_begin.
2549 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2551 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2553 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2555 PR tree-optimize/23817
2556 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2558 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2561 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2562 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2563 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2564 (restore_stack_nonlocal): Likewise.
2565 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2567 2005-09-12 Ian Lance Taylor <ian@airs.com>
2570 * c.opt (ffriend-injection): New C++ option.
2571 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2572 (C++ Dialect Options): Document -ffriend-injection.
2574 2005-09-12 Josh Conner <jconner@apple.com>
2577 * ipa-reference.c (static_execute): Don't mark variables in
2578 named sections TREE_READONLY.
2580 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2582 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2585 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2587 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2588 V_MUST_DEF instead of just the first_use_p.
2589 Don't mark the virtual variables for renaming on the statement which
2591 (pass_dse): Remove TODO_update_ssa.
2593 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2596 * stor-layout.c (compute_record_mode): For records with a single
2597 field, actually check the field's mode size against the type size.
2599 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2600 registers for TARGET_SHMEDIA.
2601 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2602 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2603 of GENERAL_REGS and FP_REGS.
2605 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2607 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2609 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2611 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2612 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2613 are omitted. Exclude stack_tie insn too.
2615 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2617 PR rtl-optimization/23098
2618 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2620 * config/rs6000/rs6000.md (movdf splitter): Use
2621 const_double_operand predicate for TARGET_POWERPC64.
2622 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2623 SYMBOL_REF method to ABI_V4.
2625 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2626 replace_equiv_address.
2627 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2628 rs6000_sr_alias_set and MEM_NOTRAP.
2629 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2631 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2633 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2634 handle CALL_EXPR again.
2636 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2638 * arm/predicates.md (alignable_memory_operand): Delete.
2640 2005-09-10 Richard Henderson <rth@redhat.com>
2643 * dbxout.c (dbxout_expand_expr): New.
2644 (dbxout_symbol): Use it.
2646 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2648 * arm.c (arm_gen_rotated_half_load): Delete.
2649 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2650 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2651 (thumb_set_return_address): Likewise.
2652 (thumb_load_double_from_address): Use adjust_address.
2653 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2654 (extendhsisi2_mem, movhi_bytes): Use change_address.
2655 (movhi): Use widen_memory_access.
2656 (reload_out_df): Use replace_equiv_address.
2657 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2659 2005-09-09 Richard Henderson <rth@redhat.com>
2662 * dbxout.c: Include expr.h.
2663 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2664 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2665 * Makefile.in (dbxout.o): Add EXPR_H.
2667 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2669 PR tree-optimization/23509
2670 * tree-cfg.c (replace_uses_by): Use replace_exp.
2671 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2672 pointers have name_mem_tag or type_mem_tag set.
2674 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2676 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2677 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2678 of wrongly accessing operands.
2680 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2682 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2683 * tree-chrec.c: Include tree-scalar-evolution.h.
2684 (chrec_convert): Instantiate the base and step before calling
2685 scev_probably_wraps_p that would fail on parametric evolutions.
2686 Collect all the fails into a single section failed_to_convert,
2687 print a diagnostic, and return chrec_dont_know instead of calling
2689 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2690 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2692 (scev_const_prop): Don't replace the definition of a loop closed ssa
2693 phi node by itself, or by another loop closed ssa phi node.
2694 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2695 that base and step are defined.
2697 2005-09-09 Richard Guenther <rguenther@suse.de>
2700 * fold-const.c (fold_ternary): Check truth_value_p before
2701 calling invert_truthvalue.
2703 2005-09-09 Nick Clifton <nickc@redhat.com>
2705 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2706 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2707 dimension of these arrays.
2708 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2710 * longlong.h: Only provide a prototype for the __clz_tab[] array
2711 if this header has not been included from libgcc2.h.
2712 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2714 Provide prototypes for exported functions.
2715 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2718 2005-09-08 Josh Conner <jconner@apple.com>
2722 * expr.c (expand_expr_addr_expr_1): Don't invoke
2723 expand_simple_binop for EXPAND_INITIALIZER.
2725 2005-09-08 Richard Henderson <rth@redhat.com>
2728 * toplev.c (wrapup_global_declaration_1): Split out ...
2729 (wrapup_global_declaration_2): ... from ...
2730 (wrapup_global_declarations): ... here. Return bool.
2731 (check_global_declaration_1): Split out ...
2732 (check_global_declarations): from here.
2733 (emit_debug_global_declarations): New.
2734 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2735 check_global_declaration_1, emit_debug_global_declarations): Declare.
2736 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2737 of decls. Call wrapup_global_declaration_1,
2738 wrapup_global_declaration_2, check_global_declaration_1 directly.
2739 (c_write_global_declarations_2): New.
2741 (c_write_global_declarations): Call c_write_global_declarations_2.
2742 * langhooks.c (write_global_declarations): Call
2743 emit_debug_global_declarations.
2745 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2746 remove decls that have DECL_RTL_SET_P.
2747 * passes.c (rest_of_decl_compilation): Invoke
2748 cgraph_varpool_finalize_decl for all but functions.
2750 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2752 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2753 the result of a conversion if the new min and max cannot be compared.
2755 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2757 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2758 (override_options): Setting s390_sr_alias_set removed.
2759 (save_fpr, save_gprs): Set alias set to vararg or frame.
2760 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2761 s390_sr_alias_set with get_frame_alias_set ().
2762 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2763 get_varargs_alias_set ().
2765 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2769 * c-parser.c (c_parser_objc_method_definition): If the next
2770 token is not "{", error out and don't start the function.
2772 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2774 * tree-vrp.c (extract_range_from_expr): Move the check for non
2775 nullness after the check for gimple invariant.
2777 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2779 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2781 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2784 * config/m32r.md (movmemsi_internal): Canonicalize order of
2785 operands in PLUS component of template.
2787 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2789 * reload1.c (fixup_eh_region_note): Remove assertion.
2790 (fixup_abnormal_edges): Reverted removal of call to
2791 find_many_sub_basic_blocks made on 2005-08-31.
2793 2005-09-07 Richard Henderson <rth@redhat.com>
2795 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2796 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2797 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2798 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2799 rearrange for better packing.
2800 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2801 (lookup_cfa_1): Remove inline marker.
2802 (cfa_equal_p): Split out of ...
2803 (def_cfa_1): ... here. Use INVALID_REGNUM.
2804 (build_cfa_loc): Handle !cfa->indirect.
2805 (frame_pointer_cfa_offset): New.
2806 (dbx_reg_number): Assert register elimination performed; do
2807 leaf register remapping.
2808 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2809 (eliminate_reg_to_offset): New.
2810 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
2811 for verifiably local stack frame addresses; re-base to CFA.
2812 (mem_loc_descriptor): Remove can_use_fbreg argument.
2813 (concat_loc_descriptor, loc_descriptor): Likewise.
2814 (containing_function_has_frame_base): Remove.
2815 (rtl_for_decl_location): Don't do register elimination or
2816 leaf register remapping here.
2817 (secname_for_decl): Split out from ..
2818 (add_location_or_const_value_attribute): ... here.
2819 (convert_cfa_to_loc_list): New.
2820 (compute_frame_pointer_to_cfa_displacement): New.
2821 (gen_subprogram_die): Use them.
2822 * tree.h (frame_base_decl): Remove.
2823 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2824 (prologue_stack_adjust): Remove.
2825 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2826 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2827 (set_frame_base_location): Remove.
2828 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2829 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2830 (vt_add_function_parameters): Don't eliminate_regs.
2831 (vt_initialize): Don't create frame_base_decl.
2833 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2835 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2836 version of GNU binutils for 4.x and later.
2838 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2840 * ggc-page.c (ggc_push_context): Remove.
2841 (ggc_pop_context): Likewise.
2842 * ggc.h (ggc_push_context): Remove.
2843 (ggc_pop_context): Likewise.
2845 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2848 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2849 returning from an interrupt handler.
2851 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2854 * config/arc/arc.c (output_shift): Add check for loop count when
2857 2005-09-06 Steven Bosscher <stevenb@suse.de>
2859 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2861 (abs_replacement): Likewise.
2862 (pass_phiopt): Remove TODO_update_ssa.
2864 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2867 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2868 if "return with no value, in function returning non-void" warning
2870 * tree-cfg.c (execute_warn_function_return): Don't look at
2871 RETURN_EXPRs with TREE_NO_WARNING set.
2874 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2875 for internal functions doesn't use registers used by global registers
2876 variables. Use fewer register parameters if there are global register
2879 2005-09-06 Olivier Hainque <hainque@adacore.com>
2880 Eric Botcazou <ebotcazou@adacore.com>
2883 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2884 when we would be extracting outside its bit span (bitpos+bitsize
2885 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2886 Ada unchecked conversions.
2888 2005-09-06 Steven Bosscher <stevenb@suse.de>
2890 * tree-ssa-pre.c (try_look_through_load): New function.
2891 (compute_avail): Use it to try to look through loads for some
2892 more useful expressions.
2894 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2896 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2897 condition for detecting cases like (a&a) and (a^a).
2899 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2901 * common.opt: Add option ftree-vect-loop-version.
2902 * params.def: Add --param vect-max-version-checks.
2903 * doc/invoke.texi: Document ftree-vect-loop-version and
2904 --param vect-max-version-checks.
2905 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2906 may_misalign_stmts and defines for accessors.
2907 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2908 LOOP_VINFO_MAY_MISALIGN_STMTS.
2909 (destroy_loop_vec_info): VEC_free for
2910 LOOP_VINFO_MAY_MISALIGN_STMTS.
2911 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2912 Update documentation.
2913 (vect_update_misalignment_for_peel): New.
2914 (vect_enhance_data_refs_alignment): Update to choose loop
2915 peeling or loop versioning if appropriate for the (potentially)
2916 unaligned data references in the loop.
2917 (vect_analyze_data_refs_alignment): Remove call to
2918 vect_enhance_data_refs_alignment so the checks can be done
2920 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2921 and move up call to vect_analyze_data_refs_alignment.
2922 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2923 (vect_transform_loop): Add call to loop_version.
2925 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2927 PR rtl-optimization/23098
2928 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2929 * simplify-rtx.c (constant_pool_reference_p): New function.
2930 * rtl.h (constant_pool_reference_p): New prototype.
2931 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2932 constant_pool_reference_p in condition and
2933 avoid_constant_pool_reference in preparation statements.
2935 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2937 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2938 STRICT_LOW_PART SETs.
2940 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2943 * except.c (sjlj_emit_function_enter): Find the function begin
2944 note even when it's not in first basic block.
2946 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2948 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2949 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2950 * aclocal.m4: Regenerate.
2952 2005-09-05 DJ Delorie <dj@redhat.com>
2954 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2957 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2959 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2960 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2961 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2962 Follow spelling conventions.
2963 * doc/invoke.texi: Follow spelling conventions.
2965 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2967 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2968 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2969 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2971 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2974 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2975 (output_stack_adjust): Use gen_tmp_stack_mem.
2976 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2977 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2978 (sh_get_pr_initial_val): Likewise.
2979 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2980 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2981 * sh.md (divsi_inv_m0): Use gen_const_mem.
2982 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2983 (movdf_i4+1): Use gen_tmp_stack_mem.
2984 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2985 (fpu_switch+2): Likewise.
2986 (movv4sf_i, movv16sf_i): Use adjust_address.
2987 (symGOT_load): Set MEM_NOTRAP_P bit.
2989 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2992 * pa.c (emit_move_sequence): Fix typo in last change.
2994 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2996 PR rtl-optimization/23454
2997 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3000 2005-09-03 Richard Henderson <rth@redhat.com>
3001 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3004 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3007 2005-09-02 Nicolas Pitre <nico@cam.org>
3009 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3010 to bit_count to 32 bits.
3012 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3015 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3016 generating synthetic loads from volatile lvalues.
3018 005-09-02 Nick Clifton <nickc@redhat.com>
3020 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3021 __ctzhi2, __clzhi2): New functions.
3023 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3026 * tree-nested.c (struct var_map_elt): Mark with GTY.
3027 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3029 (lookup_field_for_decl): Allocate new element in GC memory.
3030 (lookup_tramp_for_decl): Likewise.
3031 (convert_nl_goto_reference): Likewise
3032 (create_nesting_tree): Allocate info in GC memory. Likewise for
3034 (free_nesting_tree): Free with ggc_free instead of free.
3035 (root): New static variable.
3036 (lower_nested_functions): Remove root as local variable. And zero out
3037 root at the end of the function.
3039 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3041 PR rtl-optimization/20365
3042 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3043 to short. New member ix.
3044 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3045 (simplify_plus_minus): Initialize ix members before calling qsort.
3047 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3049 PR tree-optimization/23626
3050 * tree-cfg.c (replace_uses_by): Clean up eh info.
3052 2005-09-01 DJ Delorie <dj@redhat.com>
3054 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3057 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3059 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3060 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3063 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3065 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3066 do not issue warning for a variable definition following
3069 2005-09-01 Richard Henderson <rth@redhat.com>
3072 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3073 conversion to CONST_VECTOR.
3075 2005-09-01 Richard Henderson <rth@redhat.com>
3078 * reload1.c (reload_as_needed): Check !CALL_P before calling
3079 fixup_eh_region_note.
3080 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3082 2005-09-01 DJ Delorie <dj@redhat.com>
3084 * varasm.c (output_constant): Let the target resolve
3085 conversions of addresses to non-default pointer sizes.
3087 2005-09-01 Nicolas Pitre <nico@cam.org>
3089 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3090 to alow matching ARM pre-indexed addressing mode.
3091 (arm_override_options): Remove now irrelevant comment.
3093 2005-09-01 Phil Edwards <phil@codesourcery.com>
3095 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3096 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3097 * config/i386/vxworks.h: Likewise.
3098 * config/i386/t-vxworksae: New file, for VxWorks AE.
3099 * config/i386/vxworksae.h: Likewise.
3101 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3103 PR tree-optimization/23410
3104 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3105 sequence is not wrapping during the first step.
3107 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3110 * dwarf2out.c (base_type_die): Compare char_type_node with
3111 TYPE_MAIN_VARIANT (type), not type.
3113 2005-09-01 Richard Guenther <rguenther@suse.de>
3115 PR tree-optimization/15366
3116 * common.opt: Add -finline-functions-called-once.
3117 Put -fearly-inlining in alphabetically ordered place.
3118 * doc/invoke.texi: Document new option.
3119 * ipa-inline.c (cgraph_decide_inlining): Honour
3120 flag_inline_functions_called_once.
3122 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3124 PR rtl-optimization/23478
3125 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3126 (alloc_qty): Initialize it.
3127 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3128 (combine_regs): Combine also n_throwing_calls_crossed fields.
3129 (find_free_reg): Don't attempt to caller-save pseudos crossing
3130 calls that might throw.
3131 * global.c (struct allocno): Add throwing_calls_crossed field.
3132 (global_alloc): Revert 2005-08-22 change. Initialize
3133 throwing_calls_crossed.
3134 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3137 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3140 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3141 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3142 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3143 (and64_2_operand): Tweak to use predicate.
3144 (and_operand): Adjust for mask_operand changes.
3145 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3146 (print_operand): Likewise.
3147 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3148 (mask64_1or2_operand): Delete.
3149 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3150 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3151 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3152 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3153 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3154 (rotldi3_internal4): Likewise.
3155 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3156 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3157 (ashldi3_internal7): Likewise.
3158 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3159 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3160 (anddi3 split): Don't match mask64_operand.
3161 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3162 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3163 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3164 't' splitter predicate.
3165 (movdi_internal64 + 2): Revert 2005-06-11 change.
3167 2005-08-31 DJ Delorie <dj@redhat.com>
3169 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3170 (m32c_asm_integer): Add support for 32 bit pointers.
3172 2005-08-31 Richard Henderson <rth@redhat.com>
3174 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3175 component-like references for setting MEM_NOTRAP_P.
3177 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3178 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3180 2005-08-31 Richard Henderson <rth@redhat.com>
3182 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3183 into a pseudo before applying gen_lowpart.
3185 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3187 * doc/install.texi (Specific): Update cctools version required
3188 for full functionality.
3189 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3190 linkers as -macosx_version_min.
3192 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3195 * sh.c (print_operand, %R and %S): Add handling of floating point
3196 registers, memory, constants and invalid operands.
3198 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3200 * ipa-pure-const.c: Change dump name.
3202 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3205 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3206 to "reg_or_0_operand".
3207 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3209 2005-08-31 Dale Johannesen <dalej@apple.com>
3211 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3212 loops that count down.
3214 2005-08-31 Richard Henderson <rth@redhat.com>
3217 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3218 (fixup_eh_region_note): New.
3219 (reload_as_needed): Call it.
3220 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3221 don't call find_many_sub_basic_blocks; call verify_flow_info.
3222 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3223 (keep_stack_depressed): Likewise.
3224 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3226 2005-08-31 Richard Henderson <rth@redhat.com>
3228 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3231 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3233 * expr.c (expand_expr_real_1): Compare size of address
3234 mode to target's address mode size in deciding expansion of
3235 the constant address.
3237 2005-08-31 Richard Guenther <rguenther@suse.de>
3240 * expr.c (all_zeros_p): New function.
3241 (expand_expr_real_1): Handle the case of an all-zero
3242 non-addressable constructor separately.
3244 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3246 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3247 arguments, adjust all callers.
3248 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3250 2005-08-30 Richard Henderson <rth@redhat.com>
3253 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3254 whenever the mode sizes match.
3256 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3258 * calls.c (load_register_parameters): Fix comment typo.
3259 * expr.c (emit_push_insn): Comment formatting.
3261 2005-08-30 Ian Lance Taylor <ian@airs.com>
3263 * config/i386/x-cygwin (host-cygwin): Change dependency from
3264 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3266 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3268 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3271 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3274 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3275 call to ggc_collect.
3277 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3280 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3281 beginning. Remove $(INCLUDES) from all the rules, if following
3282 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3284 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3287 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3288 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3289 not constant, but maxlen is, don't set len to maxlen, rather
3290 set maxlen to len if len is a constant.
3292 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3294 PR tree-optimization/23475
3295 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3298 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3300 Fix PR middle-end/22455
3302 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3303 Checksum only the parts of the tree that exist for the tree code.
3305 2005-08-28 Dale Johannesen <dalej@apple.com>
3307 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3309 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3311 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3313 2005-08-28 Richard Henderson <rth@redhat.com>
3315 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3316 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3319 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3322 * builtins.c (get_memory_rtx): Don't strip nops
3323 in between COMPONENT_REFs.
3325 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3328 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3330 (gimplify_modify_expr): Check for zero sized types and gimplify the
3331 rhs and lhs as statements.
3333 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3336 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3337 state for return address column of signal frames.
3339 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3342 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3343 bytes >= 2 not bytes == 2.
3344 (expand_block_move): Same.
3346 2005-08-27 Richard Guenther <rguenther@suse.de>
3349 * config/i386/sse.md (sse2_movsd): Add missing closing
3352 2005-08-27 Paul Brook <paul@codesourcery.com>
3354 * genrecog.c (enum decision_type): Add DT_num_insns.
3355 (struct decision_test): Add u.num_insns.
3356 (add_to_sequence): Add DT_num_insns test.
3357 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3358 (write_cond, debug_decision_2): Ditto.
3359 (change_state): Assume peep2_next_insn never fails.
3360 Remove "afterward" argument.
3361 (write afterward, write_tree): Update to match.
3362 * recog.c (peep2_current_count): New variable.
3363 (peep2_next_insn): Check it.
3364 (peephole2_optimize): Set peep2_current_count.
3365 * recog.h (peep2_current_count): Declare.
3367 2005-08-26 Josh Conner <jconner@apple.com>
3370 * ipa-pure-const.c (check_tree): Check for volatile-ness
3371 when considering a dereference.
3373 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3375 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3377 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3379 PR rtl-optimization/23561
3380 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3381 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3382 at most LEN bytes long memory fits into the field.
3383 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3384 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3385 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3387 2005-08-26 Richard Henderson <rth@redhat.com>
3390 * loop.c (biased_biv_may_wrap_p): New.
3391 (maybe_eliminate_biv_1): Use it to suppress non-equality
3392 comparison transformations. Delete disabled code.
3394 2005-08-26 Ian Lance Taylor <ian@airs.com>
3396 * combine.c (make_extraction): Avoid reference outside object.
3398 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3400 * stor-layout.c (finalize_type_size): Restore behaviour for
3401 non-aggregate types to the status quo ante of the patch for
3402 pr 23467. Document why it matters.
3404 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3407 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3408 array by one element, initialize the BT_LAST element with NULL.
3410 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3412 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3413 optimizing for size.
3415 (compare_plus_eqsi): Same.
3416 (plus_eqsi_compare): Same.
3417 (neg_eq0<mode>): Same.
3418 (neg_eq<mode>): Same.
3420 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3423 2005-08-26 Nick Clifton <nickc@redhat.com>
3425 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3426 TARGET_EP is not defined.
3427 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3428 TARGET_EP is enabled.
3429 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3430 * config/v850/v850.md (save_all_interrupt): Only use the EP
3431 register if TARGET_EP is defined.
3432 (restore_all_interrupt): Likewise.
3433 * config/v850/lib1funcs.asm: Update functions so that the EP
3434 register is only used if __EP__ is defined.
3436 2005-08-26 David Ung <davidu@mips.com>
3438 * config/mips/mips.c (mips_expand_prologue): Handle case when
3439 generating for MIPS16 and the outgoing argument area is more than
3440 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3443 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3445 * config/crx/crx.md: Make doloop_end pattern usage controllable
3446 via mloop-nesting=<max-nesting> command line switch. Make sure
3447 the combiner cannot use doloop_end_<mode> in an illegal way.
3448 * config/crx/crx.c: Use regs up to r6 for argument passing.
3449 Refine crx_address_cost (non cst4 displacements are expensive).
3450 * config/crx/crx.opt: Add switch for mloop-nesting=.
3452 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3454 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3455 (UNSPEC_MVST): New constant.
3457 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3459 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3460 Reject operands containing eliminable registers.
3461 * testsuite/gcc.dg/20050825-1.c: New testcase.
3463 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3464 Jan Hubicka <jh@suse.cz>
3466 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3468 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3470 PR tree-optimization/23546
3471 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3474 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3476 * params.def (PARAM_MIN_SPEC_PROB): New.
3477 * sched-rgn.c (MIN_PROBABILITY): Delete.
3478 (compute_trg_info): Convert to PARAM_VALUE.
3479 * doc/invoke.texi (param): Document min-spec-prob.
3481 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3483 * config/darwin.h: define __PIC__
3484 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3485 TARGET_OS_CPP_BUILTINS macro.
3487 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3489 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3492 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3494 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3496 * cfghooks.c (duplicate_block): Added position where to place
3497 new block as argument.
3498 * cfghooks.h (duplicate_block): Declaration changed.
3499 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3501 * cfglayout.h (copy_bbs): Declaration changed.
3502 * cfgloop.h (loop_version): Declaration changed.
3503 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3504 position to copy_bbs.
3505 (loop_version): Pass position to duplicate_loop_to_header_edge.
3506 Add place_after argument and position new blocks according to
3508 * modulo-sched.c (sms_schedule): Pass place_after argument
3510 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3511 * tree-cfg.c (split_edge_bb_loc): New function.
3512 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3513 to determine position of new blocks.
3514 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3516 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3517 argument to duplicate_block.
3518 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3519 Pass position to copy_bbs.
3521 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3523 * fold-const.c (ptr_difference_const): Use
3524 cst_and_fits_in_hwi instead of host_integerp.
3526 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3528 * config/darwin.c (gen_pic_offset): New.
3529 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3532 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3534 PR tree-optimization/23486
3535 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3537 2005-08-23 Phil Edwards <phil@codesourcery.com>
3539 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3540 remove use_collect2.
3541 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3543 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3544 configuration files to override the default value.
3546 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3547 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3548 * config/vx-common.h: New file, split out from...
3549 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3550 * config/vxworksae.h: New file, for VxWorks AE.
3551 * config/vxworks.opt: New file.
3552 * config/vxlib.c: Update for VxWorks 6.
3554 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3555 other MULTILIB_* variables appropriately.
3556 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3557 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3558 * config/rs6000/vxworks.h: Update for VxWorks 6.
3559 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3561 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3564 * config/darwin.c (machopic_select_section): Remove the hack to
3565 mark "::operator new" and "::operator delete" for coalescing
3566 even though they are not weak.
3568 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3570 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3571 * configure: Regenerate.
3573 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3576 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3578 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3579 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3582 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3584 * config/rs6000/predicates.md (equality_operator): New.
3585 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3586 comparison with a large constant.
3588 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3590 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3592 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3594 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3595 registers is even, and we have a hardware double precision fp,
3597 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3598 size of current argument when checking if argument was passed in
3601 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3604 * stor-layout.c (finalize_type_size): Dont override
3605 existing alignment with a smaller alignment from the mode.
3607 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3609 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3610 * lambda.h (lambda_vector_lexico_pos): ... here.
3611 * tree-data-ref.c (build_classic_dist_vector): Return false when
3612 the distance vector is lexicographically negative.
3614 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3616 PR tree-optimization/23511
3617 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3618 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3620 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3622 PR tree-optimization/22043
3623 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3624 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3625 If ALLOW_FLEXARR, handle types ending with flexible array member.
3626 Pass false as second argument to recursive count_type_elements calls.
3627 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3628 argument to count_type_elements call.
3629 * tree-sra.c (decide_block_copy): Likewise.
3630 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3631 for a constant-sized object, set cleared as well. Pass true as
3632 second argument to count_type_elements call.
3634 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3637 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3638 from legitimate_small_data_p, and make global. Update use.
3639 Remove forward declaration.
3640 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3642 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3644 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3646 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3647 of scratch intermediates.
3648 (eq<mode>_compare): Same.
3649 (neg_eq0<mode>): New.
3650 (neg_eq<mode>): Convert to define_insn_and_split.
3652 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3655 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3656 stdarg functions, set/clear the fp marker even when no variable
3658 * config/rs6000/sysv4.opt (mprototype): Describe.
3660 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3662 PR rtl-optimization/23478
3663 * regs.h (reg_info): Add throw_calls_crossed.
3664 (REG_N_THROWING_CALLS_CROSSED): Define.
3665 * flow.c (allocate_reg_life_data): Initialize
3666 REG_N_THROWING_CALLS_CROSSED.
3667 (propagate_one_insn, attempt_auto_inc): Update
3668 REG_N_THROWING_CALLS_CROSSED.
3669 * global.c (global_alloc): Don't allocate pseudos across
3670 calls that may throw.
3672 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3675 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3676 value is inbetween the range if we did not find an exact match.
3678 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3680 * doc/invoke.texi (Option Summary): Add ms1 options.
3681 * doc/extend.texi: Document interrupt handler attribute for ms1.
3682 * doc/md.texi: Document ms1 constraints.
3683 * config.gcc: Add ms1-*-elf.
3684 * config/ms1/ms1.h: New.
3685 * config/ms1/ms1.c: New.
3686 * config/ms1/ms1.md: New.
3687 * config/ms1/ms1-protos.h: New.
3688 * config/ms1/ABI.txt: New.
3689 * config/ms1/crti.asm: New.
3690 * config/ms1/crtn.asm: New.
3691 * config/ms1/lib2extra-funcs.c: New.
3692 * config/ms1/t-ms1: New.
3693 * config/ms1/ms1.opt: New.
3695 2005-08-22 Ira Rosen <irar@il.ibm.com>
3697 * config/rs6000/altivec.md (xorv4sf3): New.
3698 (negv4sf2, neg<mode>2): Likewise.
3700 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3703 * config/ia64/ia64.md (divsi3): Check divide by zero.
3704 (udivsi3): Likewise.
3706 (udivdi3): Likewise.
3708 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3710 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3711 up to elem_bitsize bits, not max_bitsize.
3713 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3715 PR tree-optimization/23433
3716 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3717 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3719 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3721 PR tree-optimization/23434
3722 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3723 the iteration bound is not an INTEGER_CST.
3725 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3727 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3728 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3729 NULL if need_epilog_adjust is false.
3730 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3731 Case 3 always peels first itration, not just for PLUS case, and no need
3732 to use scalar_initial_def here. Create an epilog adjustment only if
3733 scalar_initial_def is not NULL.
3735 (vectorizable_reduction): Remove assert.
3737 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3740 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3741 (__moddi3): Likewise.
3742 (__udivdi3): Likewise.
3743 (__umoddi3): Likewise.
3744 (__divsi3): Likewise.
3745 (__modsi3): Likewise.
3746 (__udivsi3): Likewise.
3747 (__umodsi3): Likewise.
3749 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3751 * tree-pass.h (TDF_GRAPH): Define.
3752 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3753 * passes.c (finish_optimization_passes): Only call
3754 finish_graph_dump_file if TDF_GRAPH is set.
3755 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3756 NULL. Set TDF_GRAPH bit.
3757 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3759 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3761 * arm.h (arm_stack_offsets): Add locals_base field.
3762 * arm.c (arm_get_frame_offsets): Compute it.
3763 (thumb_compute_initial_elimination offset): Make the Thumb frame
3764 pointer point to the base of the local variables.
3765 (thumb_expand_prologue): Update accordingly.
3766 (thumb_expand_epilogue): Likewise.
3768 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3769 mode of clobbered scratch to DImode. Handle a case that's known to
3772 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3774 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3775 (gt0<mode>_compare): Delete.
3776 (neg_gt0<mode>): Delete.
3778 2005-08-19 Eric Christopher <echristo@apple.com>
3780 * optabs.h: Change CTI_ to COI_.
3783 2005-08-19 James E Wilson <wilson@specifix.com>
3785 * builtins.c (expand_builtin_return_addr): Set
3786 current_function_accesses_prior_frames when count != 0. Use
3787 frame_pointer_rtx when count == 0.
3788 * function.h (struct function): Add accesses_prior_frames field.
3789 (current_function_accesses_prior_frames): Define.
3790 * reload1.c (init_elim_table): Check
3791 current_function_accesses_prior_frames.
3792 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3794 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3796 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3797 indicator. Return true if the flowgraph changed during
3800 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3803 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3804 conditional expression before testing its value.
3806 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3808 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3810 2005-08-19 Devang Patel <dpatel@apple.com>
3812 PR tree-optimization/23048
3813 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3814 third parameter. Check whether latch is dominated by exit
3816 (if_convertible_loop_p): Supply exit block itself to
3817 if_convertible_bb_p.
3819 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3822 * arm.md (arm_load_pic_register): Change argument to the mask of
3823 saved registers. Call thumb_find_work_register if we need a
3824 scratch register on Thumb.
3825 (arm_expand_prologue): Pass empty register set to
3826 arm_load_pic_register.
3827 (thumb_expand_prologue): Pass live_regs_mask directly to
3828 arm_load_pic_register.
3829 * arm-protos.h (arm_load_pic_register): Update prototype.
3831 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3833 * sh.c (find_sole_member): New function.
3834 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3835 if the record's alignment is larger than the size of its only member.
3837 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3840 * arm.c (thumb_legitimize_reload_address): New function.
3841 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3842 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3844 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3846 * config/crx/crx.c: Implement crx_decompose_address. Reject
3847 symbolic displacements since CRX register relative adressing
3848 mode can't handle unsigned 32-bit values as displacements.
3849 * config/crx/crx.h: Simplify definitions, remove redundant
3850 parenthesis and obsolete macros.
3851 * config/crx/crx.opt: Add new switch for debugging addresses.
3852 * config/crx/crx-protos.h: Add new declarations for above.
3854 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
3857 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3860 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3862 * collect2.c (dup2): Delete.
3863 * configure.ac: Don't check for dup2.
3865 * config.in, configure: Regenerate.
3867 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3869 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3870 record with the type of its only member.
3872 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3874 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3875 define_insn_and_split.
3876 (plus_ltu<mode>_compare): Same.
3877 (gtu<mode>_compare): Same.
3878 (plus_gtu<mode>_compare): Same.
3880 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3882 PR tree-optimization/22228
3883 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3885 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3886 are recorded in vect_vnames_to_rename for renaming.
3887 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3888 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3889 in vect_vnames_to_rename.
3890 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3891 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3893 2005-08-18 Jan Hubicka <jh@suse.cz>
3896 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3897 info only for local statics, not for member variables.
3899 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3901 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3903 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3905 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3907 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3910 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3912 2005-08-17 James E Wilson <wilson@specifix.com>
3914 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3917 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3919 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3920 (leu<mode>_compare): Same.
3921 (plus_leu<mode>): Same.
3922 (neg_leu<mode>): Same.
3923 (and_neg_leu<mode): Same.
3924 (ltu<mode>_compare): Same.
3925 (plus_ltu<mode>): Same.
3927 (geu<mode>_compare): Same.
3928 (plus_geu<mode>): Same.
3929 (neg_geu<mode>): Same.
3930 (and_neg_geu<mode>): Same.
3931 (plus_gt<mode>): Same.
3932 (gtu<mode>_compare): Same.
3933 (plus_gtu<mode>): Same.
3935 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3937 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3938 Move call_table_data to end. Delete spurious .text.
3939 (callt_save_all_interrupt): Fix comment typo.
3941 2005-08-17 James E Wilson <wilson@specifix.com>
3942 Kevin Winchester <winchester@amirix.com>
3945 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3947 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3950 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3951 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3953 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3955 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3956 record with the type of its only member if the modes don't match.
3958 * varasm.c (decode_reg_name): Skip empty additional register names.
3960 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3962 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3963 lsm_tmp_name_length): New.
3964 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3965 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3967 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3968 Andreas Krebbel <krebbel1@de.ibm.com>
3970 * config.gcc: Added z9-109 switch.
3971 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3972 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3973 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3974 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3975 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3976 for "z9_109" cpu attribute.
3977 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3978 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3979 (s390_handle_arch_option): Added z9-109 switch.
3980 (override_options): Set respective cost function for z9-109.
3981 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3982 (legitimate_reload_constant_p): Accept extended immediates.
3983 (print_operand): Three new output modifiers added: k, m and o.
3984 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3985 (s390_output_mi_thunk): Use extended immediate when possible.
3986 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3987 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3988 (CONSTRAINT_LEN): Added length of O constraint.
3989 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3990 * config/s390/s390.md ("cpu"): New value z9_109 added.
3991 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3992 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3993 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3994 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3995 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3996 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3997 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3998 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3999 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4000 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4001 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4002 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4003 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4004 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4005 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4007 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4008 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4009 insns for TARGET_EXTIMM.
4011 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4013 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4015 2005-08-17 Nick Clifton <nickc@redhat.com>
4017 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4018 Call default_encode_section_info.
4020 2005-08-17 Steven Bosscher <stevenb@suse.de>
4022 PR tree-optimization/21574
4023 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4024 constant, return CONSTANT.
4025 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4026 (ccp_fold, visit_assignment): Likewise.
4027 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4029 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4031 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4032 fold_buildN instead of buildN then fold_initializer or fold.
4033 (build_unary_op): Likewise.
4034 (build_binary_op): Likewise.
4035 * fold-const.c (fold_initializer): Remove.
4036 (fold_build1_initializer): New function.
4037 (fold_build2_initializer): New function.
4038 (fold_build3_initializer): New function.
4039 * tree.h (fold_initializer): Remove.
4040 (fold_build1_initializer): New function.
4041 (fold_build2_initializer): New function.
4042 (fold_build3_initializer): New function.
4044 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4046 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4047 (try_move_mult_to_index): Call fold_build2 instead of build2.
4048 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4049 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4050 fold_binary_to_constant.
4051 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4053 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4054 check if A == gcd (A, B). Remove TYPE argument.
4055 (analyze_offset) Use fold_build2 instead of fold (build.
4056 (create_data_ref): Likewise.
4057 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4058 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4061 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4063 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4064 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4066 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4069 * gimplify.c (zero_sized_type): New function.
4070 (gimplify_modify_expr_rhs): If we have a zero sized type,
4071 replace the statement with an empty statement.
4073 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4075 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4078 2005-08-16 Ian Lance Taylor <ian@airs.com>
4080 * doc/tm.texi (Label Output): Correct typo.
4082 2005-08-16 Steven Bosscher <stevenb@suse.de>
4085 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4086 force_operand will work later on using have_insn_for.
4088 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4090 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4092 2005-08-16 Ian Lance Taylor <ian@airs.com>
4095 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4096 vector type, don't try to construct it element by element. Add an
4097 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4099 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4101 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4103 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4105 * doc/invoke.texi (Precompiled Headers): Document some more options
4106 which are known to be safe.
4108 2005-08-16 James E Wilson <wilson@specifix.com>
4110 PR tree-optimization/21105
4111 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4112 TREE_OVERFLOW check.
4114 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4116 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4117 (neg_ltu<mode>): Same.
4119 (neg_gtu<mode>): Same.
4121 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4123 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4124 (fold_builtin_isdigit): Use fold_buildN.
4125 (build_function_call_expr): Likewise.
4126 * c-typeck.c (c_finish_loop): Likewise.
4128 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4129 Richard Shann <rshann@superh.com>
4131 PR middle-end/20396:
4132 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4134 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4136 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4138 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4141 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4142 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4145 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4148 * fold-const.c (build_range_check): Disable optimization for function
4149 pointer expressions on targets that require function pointer
4152 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4154 * simplify-rtx.c (simplify_const_relational_operation): When
4155 extracting arguments of a COMPARE, recompute the mode as well.
4157 2005-08-15 Ian Lance Taylor <ian@airs.com>
4159 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4161 2005-08-15 DJ Delorie <dj@redhat.com>
4163 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4165 (movsi_splittable): Allow, but split, moves to the stack.
4166 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4169 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4171 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4172 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4173 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4175 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4176 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4177 Delete HOST_PTR_PRINTF.
4179 * configure, config.in: Regenerate.
4181 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4183 * config/rs6000/rs6000.md (QHSI): New mode macro.
4184 (wd): Extend mode attr for QImode and HImode
4185 (dbits): New mode attr.
4186 (zero_extend<mode>di2): Convert to mode macro.
4188 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4191 * doc/invoke.texi (-mgnu-ld): Update description.
4194 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4197 * Makefile.in (tree-chrec.o): Depends on real.h.
4198 * tree-chrec.c: Include real.h.
4199 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4200 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4201 * tree-scalar-evolution.c (add_to_evolution_1,
4202 interpret_rhs_modify_expr): Ditto.
4204 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4207 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4208 step is negative compute the estimation from init downwards to zero.
4210 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4212 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4214 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4216 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4218 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4219 Accept double-word constants that can be split.
4220 * config/s390/s390.md ("movti"): Use 'P' constraint.
4221 ("*movdi_31", "*movdf_31"): Likewise.
4223 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4225 Fix PR tree-optimization/22615
4227 * tree-ssa-structalias.c (solution_set_add): Handle
4228 first_vi_for_offset returning NULL.
4229 (do_da_constraint): Ditto.
4230 (do_sd_constraint): Ditto.
4231 (do_ds_constraint): Ditto
4232 (find_func_aliases): Ditto.
4233 (build_constraint_graph): RHS is allowed be ANYTHING.
4234 (first_vi_for_offset): Return NULL if we couldn't find anything at
4237 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4239 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4240 over memory as first operand.
4242 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4245 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4246 available for setting it.
4248 2005-08-14 Ira Rosen <irar@il.ibm.com>
4250 PR tree-optimization/23320
4251 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4252 data-refs' types instead of base object nullness. Add check for
4253 pointer type data-refs before first location comparison. Remove
4256 2005-08-14 Andreas Schwab <schwab@suse.de>
4258 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4260 2005-08-13 James E Wilson <wilson@specifix.com>
4262 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4263 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4264 -fstack-protector-all, --param ssp-buffer-size): Document.
4265 (-Wvariadic-macros): Alphabetize.
4266 (-fsched-stalled-insns-dep): Add missing 'f'.
4268 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4271 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4273 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4274 or indirect address operand.
4275 (EXTRA_ADDRESS_CONSTRAINT): New.
4276 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4278 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4280 PR tree-optimization/22236
4281 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4282 successors and predecessors.
4283 * tree-chrec.c (chrec_convert): Before converting, check that
4284 sequences don't wrap.
4285 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4286 (analyze_array): Extern.
4287 (find_data_references_in_loop): Remove call to
4288 compute_estimated_nb_iterations.
4289 * tree-data-ref.h (analyze_array): Declared.
4290 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4291 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4292 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4293 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4295 * tree-ssa-loop-ivcanon.c: Fix documentation.
4296 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4297 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4298 (infer_loop_bounds_from_undefined): New.
4299 (estimate_numbers_of_iterations_loop): Use
4300 infer_loop_bounds_from_undefined.
4301 (used_in_pointer_arithmetic_p): New.
4302 (scev_probably_wraps_p): Pass an extra parameter. Call
4303 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4304 (convert_step): Fix documentation.
4305 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4306 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4307 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4308 scev_probably_wraps_p.
4310 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4312 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4313 (s390_register_info): Ignore clobbered_regs information for fixed
4314 registers, and only fixed registers.
4315 (s390_init_frame_layout): Remove redundant call.
4317 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4319 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4320 description of -Wold-style-casts.
4322 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4323 Jakub Jelinek <jakub@redhat.com>
4325 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4326 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4327 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4328 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4329 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4330 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4331 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4332 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4333 ("stack_protect_set", "stack_protect_test"): New expanders.
4334 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4335 "stack_protect_testdi"): New insn definitions.
4337 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4339 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4341 2005-08-12 Paul Brook <paul@codesourcery.com>
4343 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4345 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4347 * config/s390/predicates.md (setmem_operand): New predicate.
4348 (shift_count_operand): Accept ANDs with special constants as
4350 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4351 with special constants.
4352 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4353 shift_count_operand with setmem_operand.
4355 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4357 * config/s390/s390.c (s390_extract_part, s390_single_part):
4359 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4360 (s390_output_mi_thunk): Don't use lg on 31 bit.
4361 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4362 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4364 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4366 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4367 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4368 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4369 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4370 with one of the new macros.
4372 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4374 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4375 Don't set save_return_addr_p.
4376 (s390_register_info): Make clobbered_regs not depending on
4379 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4381 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4382 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4384 2005-08-11 James E. Wilson <wilson@specifix.com>
4386 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4388 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4390 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4391 locations gathered by var-tracking in single entry loc_list
4392 over loc_descriptor_from_tree.
4394 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4395 pass it down to loc_descriptor.
4396 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4397 (containing_function_has_frame_base): Move earlier in the file.
4398 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4399 instead of always assuming fbreg can't be used.
4401 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4403 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4404 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4405 Accept address wrapped in AND for Altivec.
4406 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4407 Strip AND wrapping offset address for Altivec.
4409 2005-08-11 Richard Henderson <rth@redhat.com>
4412 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4413 before using TYPE_IS_SIZETYPE.
4415 2005-08-11 Richard Henderson <rth@redhat.com>
4418 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4419 insn types not present on ev4.
4420 (alphaev5_insn_pipe): Similarly.
4422 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4425 * arm.c (arm_override_options): If the user has selected callee-super-
4426 interworking, then enable normal interworking.
4428 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4430 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4433 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4435 * doc/rtl.texi: Fix two typos.
4437 2005-08-11 Richard Guenther <rguenther@suse.de>
4440 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4441 cases where we call to/from functions returning void.
4443 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4446 * tree.c (build_pointer_type_for_mode): Robustify.
4448 2005-08-10 James E Wilson <wilson@specifix.com>
4450 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4451 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4453 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4456 2005-08-10 Eric Christopher <echristo@apple.com>
4458 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4459 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4462 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4465 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4466 for the high part when generating dynamic-no-pic code.
4468 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4470 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4471 (x86_64-*-linux*): Likewise.
4473 * config/i386/crtfastmath.c: New file.
4474 * config/i386/t-crtfm: Likewise.
4476 * config/i386/linux.h (ENDFILE_SPEC): New.
4477 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4479 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4482 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4484 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4485 (vec_shl, vec_shr): Document new operations.
4486 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4488 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4490 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4491 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4492 change predicate to indexed_or_indirect_address.
4494 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4496 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4497 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4498 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4499 and __aeabi_uwrite8.
4500 * config/arm/unaligned-funcs.c: New file.
4501 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4503 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4505 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4507 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4508 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4510 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4511 * final.c (pass_shorten_branches): Add dump.
4512 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4513 (pass_life): Rename dump.
4514 (rest_of_handle_flow2): Remove initial verify_flow_info.
4515 * function.c (pass_instantiate_virtual_regs): Add dump.
4516 * integrate.c (pass_initial_value_sets): Add dump.
4517 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4518 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4519 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4520 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4521 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4522 gate_rtl_unrool_and_peel_loops): New.
4523 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4524 rtl_doloop): Do not look at flags.
4525 * mode-switching.c (pass_mode_switching): Add dump.
4526 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4527 pass_split_before_regstack): Add dump.
4528 * regmove.c (pass_stack_adjustments): Add dump.
4529 * tree-optimize.c (pass_fixup_cfg): Add dump.
4531 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4534 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4535 deciding which instruction sequence to use.
4537 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4539 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4540 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4542 2005-08-09 Richard Guenther <rguenther@suse.de>
4544 * c-common.c (builtin_function_2): Remove.
4545 (def_builtin_1): New function.
4546 (c_common_nodes_and_builtins): Use def_builtin_1 to
4547 build builtin functions.
4549 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4551 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4552 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4553 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4556 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4558 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4559 fold_binary instead of fold_build2 since we don't care about the
4561 (loop_niter_by_eval): Likewise.
4562 (compare_trees): Likewise.
4563 (proved_non_wrapping_p): Likewise.
4565 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4569 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4570 if the if is really empty.
4572 2005-08-09 Steven Bosscher <stevenb@suse.de>
4574 PR tree-optimization/23234
4575 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4576 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4577 argument of the new enum.
4578 (execute_cse_reciprocals): Add reciprocals for function arguments
4579 on the unique successor edge of the entry block. Update other calls
4580 to execute_cse_reciprocals_1.
4582 2005-08-08 Richard Henderson <rth@redhat.com>
4585 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4587 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4589 * expr.c (write_complex_part): Return after handling MEM.
4591 2005-08-08 Josh Conner <jconner@apple.com>
4593 PR rtl-optimization/23241
4594 * combine.c (simplify_comparison): Fix error in determining
4595 whether to lift a subreg from comparison.
4597 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4600 * config/rs6000/altivec.md (vec_init<mode>): New.
4601 (vec_set<mode>): New.
4602 (vec_extract<mode>): New.
4603 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4604 (rs6000_expand_vector_set): New.
4605 (rs6000_expand_vector_extract): New.
4606 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4607 for Altivec modes before reload.
4608 (altivec_expand_vec_init_builtin): New.
4609 (get_element_number): New.
4610 (altivec_expand_vec_set_builtin): New.
4611 (altivec_expand_vec_ext_builtin): New.
4612 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4614 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4616 * config/rs6000/rs6000.h (rs6000_builtins): Add
4617 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4618 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4619 * config/rs6000/rs6000-protos.h: Declare new functions.
4621 2005-08-08 Jan Hubicka <jh@suse.cz>
4623 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4624 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4625 * i386.md (movdi*): Use pic_32bit_operand.
4626 * predicates.md (pic_32bit_operand): New.
4628 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4631 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4633 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4635 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4636 (test_for_singularity): Use fold_build2.
4638 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4640 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4642 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4644 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4645 (COMMON_ASM_OP) Define.
4646 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4647 (ix86_encode_section_info): Likewise.
4648 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4649 SUBTARGET_ENCODE_SECTION_INFO.
4651 2005-08-06 Richard Henderson <rth@redhat.com>
4654 * tree-nested.c (convert_local_reference): Save and restore val_only
4655 around component_ref and friends. Clear walk_subtrees by default.
4657 2005-08-06 Peter O'Gorman <peter@pogma.com>
4660 * gcc.c (process_command): Check the argument to -b has a dash.
4661 * doc/invoke.texi: Update -b and -V docs.
4663 2005-08-06 James E Wilson <wilson@specifix.com>
4665 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4667 2005-08-06 Michael Matz <matz@suse.de>
4669 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4670 member only if only one insn is associated with the value.
4672 2005-08-06 Nick Clifton <nickc@redhat.com>
4674 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4676 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4677 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4678 Check symbol flags instead of symbol name mangling.
4679 (xstormy16_asm_output_aligned_common): Likewise. Also
4680 simplify code since the bss100_section cass is the only case
4681 where the below100 code will be triggered.
4682 (xstormy16_encode_section_info): Encode below100 attribute
4683 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4685 (xstormy16_strip_name_encoding): Delete - this function is no
4687 (TARGET_STRIP_NAME_ENCODING): Undefine.
4688 * config/stormy16/stormy16-protos.h: Delete prototype for
4689 xstormy16_strip_name_encoding.
4691 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4693 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4694 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4695 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4696 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4697 config/alpha/predicates.md, config/arc/arc.h,
4698 config/arm/arm.h, config/arm/ieee754-df.S,
4699 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4700 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4701 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4702 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4703 config/m68hc11/m68hc11.h, config/mips/mips.c,
4704 config/mips/mips.h, config/mips/openbsd.h,
4705 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4706 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4707 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4708 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4709 config/sparc/linux.h, config/sparc/linux64.h,
4710 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4711 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4712 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4713 typos. Follow spelling conventions.
4715 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4718 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4719 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4720 specially. Check for side effects only for COND_EXPR.
4721 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4722 return with TREE_NO_WARNING.
4724 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4726 PR rtl-optimization/23233
4727 * loop.c (combine_movables): Require the modes to be the same.
4728 (move_movables): Remove handling of cases where the replacement
4729 had a different mode to the original.
4731 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4733 PR tree-optimization/23128
4734 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4735 subtraction wrap, and set TREE_OVERFLOW if they do.
4737 2005-08-05 Richard Henderson <rth@redhat.com>
4740 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4741 FORCED_LABEL labels.
4743 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4746 * reload.c (find_reloads_subreg_address): Pass down TYPE
4747 unchanged. Change all callers except find_reloads_toplev.
4749 2005-08-05 Michael Matz <matz@suse.de>
4751 * genattrtab.c (current_alternative_string): Remove.
4752 (SIMPLIFY_ALTERNATIVE): Ditto.
4753 (attr_alt_bit_p): Ditto.
4754 (alternative_name): Make const char *.
4755 (evaluate_eq_attr): Remove use of above things.
4756 (simplify_test_exp): Ditto.
4757 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4758 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4760 2005-08-04 James E Wilson <wilson@specifix.com>
4762 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4763 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4764 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4765 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4766 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4768 2005-08-04 Richard Henderson <rth@redhat.com>
4771 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4772 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4773 * tree-sra.c (decide_block_copy): Use it. Disable element copy
4774 if we'd have to instantiate too many members.
4776 2005-08-04 Richard Henderson <rth@redhat.com>
4779 * tree-outof-ssa.c (coalesce_asm_operands): New.
4780 (coalesce_ssa_name): Use it. Split out ...
4781 (coalesce_phi_operands, coalesce_result_decls): ... these.
4783 2005-08-04 Paul Brook <paul@codesourcery.com>
4785 * read-rtl.c (read_quoted_string): Break if EOF.
4787 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
4789 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4790 (fold_build2): Likewise.
4791 (fold_build3): Likewise.
4792 (fold_build1_stat): New function prototype.
4793 (fold_build2_stat): Likewise.
4794 (fold_build3_stat): Likewise.
4795 * fold-const.c (fold_build1): Rename to ..
4796 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4797 through to build1_stat.
4798 (fold_build2): Rename to ..
4799 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4800 through to build2_stat.
4801 (fold_build3): Rename to ..
4802 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4803 through to build3_stat.
4805 2005-08-04 David Edelsohn <edelsohn@gnu.org>
4806 Ian Lance Taylor <ian@airs.com>
4808 * function.c (assign_stack_local_1): Do not correct stack slot
4809 address if allocation size is smaller than mode size.
4811 2005-08-04 Diego Novillo <dnovillo@redhat.com>
4814 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4815 (tree_merge_blocks): Propagate anything allowed by
4817 Clarify documentation.
4818 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4819 SSA form, schedule an update if necessary.
4821 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
4823 * doc/install.texi (Binaries): Remove broken link to
4824 Sinix/Reliant Unix binaries.
4826 2005-08-03 Richard Henderson <rth@redhat.com>
4829 * function.c (stack_protect_epilogue): Export.
4830 * tree.h (stack_protect_epilogue): Declare.
4831 * calls.c (expand_call): Call it.
4833 2005-08-03 Eric Christopher <echristo@apple.com>
4835 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4836 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4839 2005-08-04 Jan Hubicka <jh@suse.cz>
4841 * profile.c (branch_prob): Split edges with goto locus on them
4842 to get proper line counts.
4843 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4845 2005-08-03 Paul Brook <paul@codesourcery.com>
4847 * function.c (assign_parms): Round current_function_args_size
4848 to PARM_BOUNDARY, not STACK_BOUNDARY.
4850 2005-08-03 Geoffrey Keating <geoffk@apple.com>
4852 * config/i386/i386.c (x86_elf_aligned_common)
4853 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4855 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
4857 PR tree-optimization/23157
4858 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4859 before emitting them.
4861 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4863 PR tree-optimization/19899
4864 * Makefile.in (tree-scalar-evolution.o): Add real.h.
4865 * tree-scalar-evolution.c: Include real.h.
4866 (add_to_evolution): Build constant -1 of correct type.
4868 2005-08-03 Jan Hubicka <jh@suse.cz>
4870 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4871 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4872 profile updating for complette unrolling.
4873 * loop-unroll.c (peel_loop_completely): Use it.
4874 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4875 (tree_unroll_loops_completely): Disable code growing unrolling of cold
4878 2005-08-03 Paul Brook <paul@codesourcery.com>
4880 * combine.c (can_change_dest_mode): New function.
4881 (try_combine, simplify_set): Use it.
4883 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
4885 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4888 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
4890 * doc/install.texi (Specific): Adjust link to openavr.org.
4891 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4892 (Binaries): Adjust HP-UX Porting Center link.
4893 (Binaries): Adjust Free Software Foundation ordering link.
4895 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
4897 * convert.c (convert_to_integer): Use fold_build1 instead of
4898 build1 when converting an integer to an integer.
4900 2005-08-02 Richard Henderson <rth@redhat.com>
4902 * combine.c (combine_instructions): Don't use reg_equal/equiv
4903 results if the mode doesn't match.
4905 2005-08-02 Mark Mitchell <mark@codesourcery.com>
4907 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4908 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4910 2005-08-02 Richard Henderson <rth@redhat.com>
4913 * explow.c (memory_address): Remove special-case for
4914 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4916 2005-08-02 Diego Novillo <dnovillo@redhat.com>
4919 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4920 number of calls to cleanup_tree_cfg_1.
4922 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
4924 * doc/invoke.texi: document file extensions .F90 and .F95
4926 2005-08-02 Richard Guenther <rguenther@suse.de>
4928 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4929 positive if its first argument is positive.
4931 2005-08-02 Richard Guenther <rguenther@suse.de>
4933 PR tree-optimization/23177
4934 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4937 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
4939 PR tree-optimization/23129
4940 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4941 varying for divisions with anti-ranges.
4943 2005-08-02 Jan Hubicka <jh@suse.cz>
4945 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4946 * tree-ssa-threadupdate.c (thread_block): Add it here.
4948 2005-08-01 James E Wilson <wilson@specifix.com>
4950 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4951 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4952 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4954 * config/mips/predicates.md (const_call_insn_operand): Add check for
4955 SYMBOL_REF_LONG_CALL_P.
4956 * doc/extend.texi (long_call): Document the new attribute.
4958 2005-08-01 Ian Lance Taylor <ian@airs.com>
4959 Richard Henderson <rth@redhat.com>
4961 * Makefile.in (RTL_BASE_H): Add real.h.
4962 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4964 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4966 * rtl.c (rtl_check_failed_code_mode): New.
4967 * rtl.h (struct rtx_def): Add u.rv.
4968 (XCMWINT, XCNMPRV): New.
4969 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4970 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4972 2005-08-01 Richard Henderson <rth@redhat.com>
4974 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4975 with auto-inc codes.
4977 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4979 2005-08-01 Jan Hubicka <jh@suse.cz>
4981 * i386-protos.h (asm_preferred_eh_data_format): Declare.
4982 * i386.c: Include dwarf2.h
4983 (asm_preferred_eh_data_format): New.
4984 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4986 2005-08-01 Ian Lance Taylor <ian@airs.com>
4988 * config/host-linux.c (linux_gt_pch_get_address): Add new name
4989 randomize_va_space for virtual address randomization control.
4991 2005-08-01 Steven Bosscher <stevenb@suse.de>
4993 * common.opt (flag_ipa_cp): Put in right place to maintain
4996 2005-08-01 Jan Hubicka <jh@suse.cz>
4998 * profile.c (compute_value_histograms): Fix thinko.
4999 * value-prof.c: Include toplev.h
5000 (check_counter): New function.
5001 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5002 tree_mod_subtract_transform): Add sanity check.
5004 2005-08-01 Richard Guenther <rguenther@suse.de>
5006 PR tree-optimization/23133
5007 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5008 current functions parameter decls to find defs to cse
5011 2005-08-01 Richard Guenther <rguenther@suse.de>
5013 PR tree-optimization/23109
5014 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5015 If trapping math is in effect, use post-dominator information
5016 to check if we'd in any case reach a trapping point before
5017 doing the reciprocal insertion.
5018 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5019 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5020 expressions are invariant only if trapping math is not in effect.
5022 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5024 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5025 cgraph_function_versioning): New declarations.
5026 * cgraphunit.c: Add include to ipa-prop.h.
5027 (update_call_expr, cgraph_copy_node_for_versioning,
5028 cgraph_function_versioning): New functions.
5029 * integrate.c (copy_decl_for_inlining): Remove.
5030 * ipa-prop.h (ipa_replace_map): New struct.
5031 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5032 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5033 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5034 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5035 ipcp_iterate_stage, ipcp_method_scale_print,
5036 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5037 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5038 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5039 ipcp_update_bb_counts, ipcp_update_profiling,
5040 ipcp_update_edges_counts): New functions.
5041 (ipcp_method_cval_init): Remove restriction regarding local methods.
5042 (ipcp_init_stage): Add ipcp_method_compute_scale.
5043 (ipcp_insert_stage): Add versioning.
5044 (ipcp_structures_print): Add ipcp_method_scale_print.
5045 (ipcp_driver): Dump profiling info.
5046 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5047 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5048 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5049 (struct inline_data): Add versioning_p, ipa_info, new fields.
5050 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5051 declare_return_variable): Replace calls to copy_decl_for_inlining with
5053 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5055 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5056 Add argument VERSIONING.
5057 (copy_arguments_for_versioning, copy_static_chain,
5058 function_versionable_p, tree_versionable_function_p,
5059 tree_function_versioning, replace_ref_tree): New functions.
5060 * tree-inline.h: Include varray.h.
5061 (tree_versionable_function_p, tree_function_versioning,
5062 tree copy_decl_for_dup): New declarations.
5064 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5066 * ipa-cp.c: New file. Contains IPCP specific functionality.
5067 * ipa-prop.h: New file. Contains structures/definitions that can be
5068 used by several interprocedural data flow optimizations (and also IPCP).
5069 * ipa-prop.c: New file.
5070 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5071 * common.opt: Add ipa-cp flag.
5072 * timevar.def: Add IPCP optimization.
5073 * tree-optimize.c (init_tree_optimization_passes): Schedule
5075 * tree-pass.h (pass_ipa_cp): Declare.
5077 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5079 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5080 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5081 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5082 config/i386/i386.c, config/mips/mips.h,
5083 config/rs6000/rs6000.h, config/sh/sh.c,
5084 config/stormy16/stormy16.c: Fix comment typos.
5086 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5089 * c-typeck.c (build_binary_op): Use common_type wrapper on
5091 (common_type): Update comment.
5093 2005-07-31 Steven Bosscher <stevenb@suse.de>
5096 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5097 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5098 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5100 2005-07-31 Jan Hubicka <jh@suse.cz>
5102 * pretty-print.h (pp_widest_integer): New macro.
5103 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5106 2005-07-31 Jan Hubicka <jh@suse.cz>
5108 * output.h (enum section_category): Export from varasm.c
5109 (categorize_decl_for_section): Likewise.
5110 * varasm.c (enum section_category): Kill.
5111 (categorize_decl_for_section): Make global.
5112 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5114 * i386.c (ix86_section_threshold): New static variable.
5115 (ix86_in_large_data_p, ix86_encode_section_info,
5116 x86_64_elf_unique_section,
5117 x86_64_elf_select_section): New functions.
5118 (TARGET_ENCODE_SECTION_INFO): Define
5119 (override_options): Enable medium model for PIC.
5120 (ix86_expand_prologue): Expand gen_set_got_rex64.
5121 (legitimate_constant_p): Handle new UNSPECs.
5122 (legitimate_pic_address_disp_p): Likewise.
5123 (legitimize_pic_address): Lower MEDIUM model addressing.
5124 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5125 (enum cmodel): Add MEDIUM_PIC.
5126 (SYMBOL_REF_FAR_ADDR_P): New macro.
5127 (SYMBOL_FLAG_FAR_ADDR): New flag.
5128 * i386.md (movdi): Support medium model.
5129 (set_got_rex64): New pattern.
5130 * i386.opt (mlarge-data-threshold): New flag.
5131 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5132 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5133 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5134 TARGET_ASM_UNIQUE_SECTION): New.
5136 * invoke.texi (-mlarge_data_threshold): Document
5138 2005-07-31 Jan Hubicka <jh@suse.cz>
5140 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5141 (coalesce_vars): Likewise.
5142 * tree-ssa-live.c (coalesce_cost): New.
5143 (build_tree_conflict_graph): Use coalesce_cost.
5144 * tree-ssa-live.h (coalesce_cost): Declare.
5146 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5148 * arm.md (all peepholes for post-increment operations): Delete.
5149 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5150 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5151 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5152 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5153 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5155 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5157 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5160 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5163 * doc/invoke.texi: Document -rdynamic.
5165 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5168 * c-parser.c (c_parser_parms_list_declarator): Call
5169 mark_forward_parm_decls.
5170 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5171 decls with visibility structure.
5173 2005-07-30 Paul Brook <paul@codesourcery.com>
5175 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5177 2005-07-30 Paul Brook <paul@codesourcery.com>
5179 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5181 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5183 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5185 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5188 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5189 nested function declarators.
5190 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5191 (grokparms): Call warn_if_shadowing for parameters used within the
5193 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5194 not used within the parameter list.
5195 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5197 2005-07-30 Jan Hubicka <jh@suse.cz>
5199 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5200 * i386.c (ix86_fixup_binary_operands): Likewise.
5201 (ix86_expand_unary_operator): Likewise.
5202 (ix86_expand_fp_absneg_operator): Likewise.
5203 * optabs.c (expand_vec_cond_expr): Validate dest.
5205 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5208 * real.c (real_from_string): Also set last bit if there is a
5209 nonzero hex digit beyond GCC's internal precision after ".".
5211 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5213 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5214 define_constants. Change duplicate values to unassigned numbers.
5215 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5216 (*altivec_vspltsf): New.
5217 (altivec_vperm_v4sf): Delete.
5218 (altivec_vperm_<mode>): Use mode macro V.
5219 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5220 (altivec_predicate_v4sf): Delete.
5221 (altivec_predicate_<mode>): Use mode macro V.
5222 (*altivec_lvesfx): New.
5223 (*altivec_stvesfx): New.
5224 (vec_realign_load_v4sf): Delete.
5225 (vec_realign_load_<mode>): Use mode macro V.
5226 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5229 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5232 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5234 * configure: Regenerated.
5236 2005-07-29 Paul Brook <paul@codesourcery.com>
5238 * doc/install.texi: Add link to GFortran binaries wiki page.
5240 2005-07-29 David Ung <davidu@mips.com>
5242 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5243 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5244 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5245 * config/mips/mips.md (cpu): Add 5kf name.
5246 (includes): Includes 5k.md.
5247 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5248 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5251 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5254 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5255 (cleanup_tree_cfg): ... here.
5256 Call cleanup_tree_cfg_1 until there are no more cleanups to
5259 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5261 * tree-vrp.c (compare_range_with_value): Return true or false
5262 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5263 EQ_EXPR respectively.
5265 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5267 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5270 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5272 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5273 (tree_ssa_dominator_optimize): Increment it.
5274 (dump_dominator_optimization_stats): Print it.
5276 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5277 Steven Bosscher <stevenb@suse.de>
5279 PR rtl-optimization/23117
5280 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5281 when head == tail. Tidy comment.
5283 2005-07-28 Richard Henderson <rth@redhat.com>
5285 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5286 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5287 * jump.c (rtx_renumbered_equal_p): Likewise.
5288 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5289 CONST_INT and CONST_DOUBLE.
5290 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5291 * reload.c (operands_match_p): Special case CONST_INT and
5292 CONST_DOUBLE; check mode earlier.
5294 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5297 * c-typeck.c (convert_for_assignment): Do not check
5298 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5300 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5303 * c-typeck.c (composite_type): Prefer constant size arrays to
5306 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5309 * real.c (real_from_string): Set last bit if there is a nonzero
5310 hex digit beyond GCC's internal precision.
5312 2005-07-28 Richard Henderson <rth@redhat.com>
5315 * cfgcleanup.c (try_forward_edges): Watch out for end of
5318 2005-07-28 James E Wilson <wilson@specifixinc.com>
5321 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5323 2005-07-28 Jan Hubicka <jh@suse.cz>
5325 * Makefile.in (rtl-profile.o): Kill all traces of it.
5326 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5327 * coverage.h (rtl_coverage_counter_ref): Kill.
5328 * opts.c (flag_speculative_prefetching_set): Kill.
5329 (flag_loop_optimize_set): New.
5330 (common_handle_option): Disable loop optimizer when profiling;
5331 do not handle speculative prefetching.
5332 * passes.c (init_optimization_passes): Replace pass_profiling combo
5333 by branch_prob pass.
5334 * profile.c (compute_value_histograms): Update for simplified value
5336 (rtl_register_profile_hooks): Kill.
5337 (pass_profiling): Kill.
5338 (rest_of_handle_branch_prob): Do not profile.
5339 * toplev.c (process_options): Remove speculative prefetching.
5340 * toplev.h (flag_tree_based_profiling): Kill.
5341 * tree-profile.c (prepare_instrumented_value,
5342 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5343 tree_gen_one_value_profiler, do_tree_profiling): Update for
5344 simplified datastructures.
5345 * value-prof.c: Add comment that speculative prefetching was dropped;
5346 update rest of file for simplified datastructures.
5347 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5348 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5349 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5350 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5351 rtl_mod_subtract, gen_speculative_prefetch,
5352 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5353 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5354 (gate_handle_value_profile_transformations,
5355 rest_of_handle_value_profile_transformations,
5356 pass_value_profile_transformations): Kill.
5357 * value-prof.h (histogram_value_t): Remove IL based unions.
5358 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5359 rtl_profile_hooks): Remove hooks.
5361 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5363 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5364 (cgraph_clone_node): Likewise.
5365 * cgraph.h (cgraph_clone_edge): Update prototype.
5366 (cgraph_clone_node): Likewise.
5367 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5369 (lookup_recursive_calls): Consider profile.
5370 (cgraph_decide_recursive_inlining): Fix updating; use new
5371 probability argument; use profile.
5372 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5373 * tree-inline.c (copy_bb): Update clal of clone_edge.
5374 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5376 * invoke.texi (min-inline-recursive-probability): Document.
5378 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5380 * doc/install.texi (Configuration): Update Valgrind homepage.
5382 2005-07-28 Richard Henderson <rth@redhat.com>
5385 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5386 labels we want to delete.
5387 (cfg_layout_merge_blocks): Likewise.
5389 2005-07-28 Richard Henderson <rth@redhat.com>
5392 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5393 when expanding to nothing.
5395 2005-07-28 Josh Conner <jconner@apple.com>
5397 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5398 (cgraph_decide_inlining_of_small_functions): Likewise.
5400 2005-07-28 Josh Conner <jconner@apple.com>
5402 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5403 direction of badness if negative.
5404 (cgraph_default_inline_p): Add reason to parameters, and assign it
5406 (cgraph_decide_inlining_of_small_functions): New parameter in call
5407 to cgraph_default_inline_p.
5408 (cgraph_decide_inlining_incrementally): Likewise.
5409 * cgraphunit.c (decide_is_function_needed): Likewise.
5410 * cgraph.h (cgraph_default_inline_p): Likewise.
5412 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5414 * builtins.c: Fix comment typo(s).
5415 * genautomata.c: Likewise.
5416 * gimplify.c: Likewise.
5417 * tree-dfa.c: Likewise.
5418 * tree-flow-inline.h: Likewise.
5419 * tree-into-ssa.c: Likewise.
5420 * tree-ssa-alias.c: Likewise.
5421 * tree-ssa-ccp.c: Likewise.
5422 * tree-ssa-copy.c: Likewise.
5423 * tree-ssa-dce.c: Likewise.
5424 * tree-ssa-dom.c: Likewise.
5425 * tree-ssa-operands.c: Likewise.
5426 * tree-tailcall.c: Likewise.
5427 * tree-vectorizer.c: Likewise.
5428 * tree-vrp.c: Likewise.
5431 2005-07-28 Jeff Law <law@redhat.com>
5433 * tree-vrp.c (test_for_singularity): Extracted from ...
5434 (simplify_cond_using_ranges): Attempt to simplify a relational
5435 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5437 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5439 PR tree-optimization/22506
5440 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5441 phis whose argument is constant.
5443 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5445 PR rtl-optimization/18992
5446 Back out this patch:
5447 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5448 PR optimization/12142
5449 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5450 uses of the register in the SET_SRC. Remove unnecessary argument.
5452 Replace it with this:
5453 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5454 if flag_non_call_exceptions is set and the insn may trap, pass
5455 pc_rtx as dest for recursion.
5456 In SET_SRC part of SET case, if dest is already set, pass it down
5459 2005-07-28 Jan Hubicka <jh@suse.cz>
5461 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5462 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5463 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5465 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5466 profile when available.
5468 2005-07-28 Jan Beulich <jbeulich@novell.com>
5470 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5471 (ia64_print_operand): Describe and handle 'X'.
5472 (ia64_register_move_cost): Also handle FP_REGS.
5473 (ia64_preferred_reload_class): Likewise.
5474 (ia64_secondary_reload_class): Likewise.
5475 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5476 it. Also check for ITANIUM_CLASS_FLDP.
5477 * config/ia64/ia64.h (FP_REGNO_P): New.
5478 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5479 (reg_class): Add FP_REGS.
5480 (REG_CLASS_NAMES): Adjust for it.
5481 (REG_CLASS_CONTENTS): Likewise.
5482 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5483 (REG_CLASS_FROM_LETTER): Handle 'x'.
5484 (CLASS_MAX_NREGS): Handle FP_REGS.
5485 (MEMORY_MOVE_COST): Likewise.
5486 * config/ia64/ia64.md (itanium_class): Add fldp.
5487 (type): Handle fldp.
5488 (movti_internal): More allowable operand combinations. Use ldfp8 when
5489 splitting unnecessary. Remove predicable attribute. Adjust
5490 itanium_class attribute.
5491 (smuldi3_highpart): Remove outdated comment.
5492 (mulditi3, umulditi3, rotlti3): New expanders.
5493 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5494 (absti2): Disabled new insn for future reference.
5495 Respective new splitters.
5496 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5497 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5498 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5500 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5502 PR rtl-optimization/23047
5503 * simplify-rtx.c (simplify_const_relational_operation): Respect
5504 flag_wrapv for comparisons with ABS.
5506 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5508 PR tree-optimization/22493
5509 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5510 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5512 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5514 * config/frv/frv.opt (moptimize-membar): New.
5516 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5518 * config/frv/frv.h: Remove machine_function definition.
5520 * config/frv/frv.c (struct frv_io): New.
5521 (struct machine_function): Moved from frv.h. Add has_membar_p.
5522 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5523 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5524 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5525 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5526 (frv_reorg): Call frv_optimize_membar when appropriate.
5527 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5528 (frv_expand_builtin): Adjust calls accordingly.
5529 (frv_io_address_cookie): New function.
5530 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5531 load or store rather than a special insn. Add ccnstant address and
5532 io-type operands to the membar.
5533 (frv_ifcvt_modify_tests): Unsign regno.
5534 (frv_ifcvt_modify_tests): Same.
5536 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5537 UNSPEC_OPTIONAL_MEMBAR constant.
5538 (builtin_read_<mode>): Delete.
5539 (builtin_write_<mode>): Delete.
5540 ("optional_membar_<mode>"): Add operand.
5542 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5543 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5544 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5545 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5546 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5547 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5548 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5549 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5550 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5552 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5554 * df.c (df_uses_record): Handle SCRATCH.
5556 2005-07-28 Steven Bosscher <stevenb@suse.de>
5559 * passes.c (rest_of_decl_compilation): If decl is a type and
5560 we have encountered errors, don't emit debug information.
5562 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5564 * params.def: Fixed comment.
5566 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5569 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5570 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5571 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5573 2005-07-27 Steven Bosscher <stevenb@suse.de>
5576 * varasm.c (assemble_start_function): Don't do anything that may
5577 require a CFG if the current function is a thunk.
5579 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5581 * doc/install.texi (Prerequisites): Mention that perl is needed
5582 to do export control in libstdc++ targetting Darwin.
5584 2005-07-27 Steven Bosscher <stevenb@suse.de>
5586 PR rtl-optimization/17808
5587 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5588 (sched_insns_conditions_mutex_p): Split out from...
5589 (add_dependence): ...here. But don't call it from here.
5590 (add_dependence_list): Check sched_insns_conditions_mutex_p
5591 before calling add_dependence.
5592 (add_dependence_list_and_free): Likewise.
5593 (fixup_sched_groups): Likewise.
5594 (sched_analyze_1): Likewise.
5595 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5596 (sched_analyze): Likewise.
5597 (sched_analyze_insn): Likewise.
5598 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5599 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5600 dependencies on all COND_EXEC insns to jumps ending basic blocks
5601 when doing intrablock scheduling.
5602 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5604 2005-07-27 Jeff Law <law@redhat.com>
5606 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5607 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5608 equivalency sets, correctly handle the case were vr0 has an
5609 equivalency set, but vr1 does not.
5611 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5613 PR tree-optimization/23073
5614 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5615 vect_print_dump_info before fprintf.
5617 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5619 PR tree-optimize/22348
5620 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5621 Fold the partial computation.
5623 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5625 PR tree-optimization/22325
5626 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5628 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5630 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5631 (force_var_cost): ... this function.
5632 (compute_phi_arg_on_exit): Export.
5634 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5636 PR tree-optimization/20773
5637 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5640 2005-07-27 Richard Guenther <rguenther@suse.de>
5642 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5643 Avoid pushing again if current struct contains only
5644 fields we decomposed.
5646 2005-07-27 Jan Hubicka <jh@suse.cz>
5648 PR tree-optimization/22574
5649 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5652 * tree-tailcall.c (decrease_profile): New function.
5653 (eliminate_tail_call): Use it.
5655 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5656 visibility flags correctly in whole program mode.
5658 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5660 PR rtl-optimization/22472
5661 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5663 2005-07-26 Steven Bosscher <stevenb@suse.de>
5665 PR tree-optimization/22504
5666 * tree-complex.c (expand_complex_addition): Use 'code' instead
5667 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5669 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5671 * config.gcc (cpu_type): Add frv case.
5672 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5673 (supported_defaults): Add fr550 case.
5675 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5678 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5679 whether a pointer of type T * may point to objects of type T *.
5681 2005-07-26 DJ Delorie <dj@redhat.com>
5683 * configure: Regenerate.
5685 2005-07-26 Dale Johannesen <dalej@apple.com>
5687 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5689 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5691 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5692 Clarify use of "build" in name.
5694 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5696 * doc/extend.texi (Raw read/write Functions): New section.
5697 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5698 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5699 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5700 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5701 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5702 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5703 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5704 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5705 * config/frv/frv.c: Add bdesc_loads global.
5706 Add bdesc_stores global.
5707 (frv_init_builtins): Add support for __builtin_{read/write}*.
5708 (frv_volatile_memref): New.
5709 (frv_expand_load_builtin): New.
5710 (frv_expand_store_builtin): New.
5711 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5712 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5713 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5714 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5715 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5716 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5717 (builtin_read_<mode>): New.
5718 (builtin_write_<mode>): New.
5719 (builtin_write64): New.
5720 (optional_membar_<mode>): New.
5722 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5724 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5725 (rather than units) against HOST_BITS_PER_WIDE_INT.
5727 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5729 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5730 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5731 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5732 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5735 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5736 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5737 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5739 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5741 2005-07-26 Richard Guenther <rguenther@suse.de>
5743 PR tree-optimization/22486
5744 * fold-const.c (fold_unary): Fold away useless component
5745 references of the form (T *)&T.x, if the address
5748 2005-07-25 James E Wilson <wilson@specifixinc.com>
5750 * dwarf2out.c (add_call_src_coords_attributes): New.
5751 (gen_inlined_subroutine_die): Call it.
5752 (maybe_emit_file, init_file_table): Add comments.
5753 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5755 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5756 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5757 * tree.h (BLOCK_SOURCE_LOCATION): New.
5758 (struct tree_block): New field locus.
5760 2005-07-26 Andreas Schwab <schwab@suse.de>
5762 PR rtl-optimization/23043
5763 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5764 when allocating a struct unoccr.
5766 2005-07-25 Richard Henderson <rth@redhat.com>
5769 * tree-complex.c (gate_no_optimization): True if errors.
5770 * Makefile.in (tree-complex.o): Update dependencies.
5772 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
5774 * config/frv/predicates.md (integer_register_operand): Use
5777 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5780 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5782 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5784 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5786 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5787 types when flag_unsafe_math_optimizations is true.
5789 2005-07-25 Mark Mitchell <mark@codesourcery.com>
5791 * gcc.c (option_map): Add --sysroot.
5792 (process_command): Handle --sysroot.
5793 (display_help): Document it.
5794 * doc/cppopts.tex (-isysroot): Document.
5795 * doc/invoke.texi (--sysroot): Document.
5796 * doc/install.texi (--with-build-sysroot): Document.
5798 * Makefile.in (inhibit_libc): New variable.
5799 (INHIBIT_LIBC_CFLAGS): Likewise.
5800 (LIBGCC2_CFLAGS): Include
5801 $(INHIBIT_LIBC_CFLAGS).
5802 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5803 ($(T)crtbegin.o): Do not use @inhibit_libc@.
5804 ($(T)crtend.o): Likewise.
5805 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5806 ($(T)crtendS.o): Likewise.
5807 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5808 ($(T)crtendT.o): Likewise.
5809 (stmp-fixinc): Do not complain about missing headers if
5811 * configure.ac (inhibit_libc): Set it to true/false.
5812 (--with-build-sysroot): New option. Use it to set
5814 * configure: Regenerated.
5816 2005-07-25 Manfred Hollstein <mh@suse.com>
5818 * calls.c (store_one_arg): Fix unsigned comparison warning.
5820 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5823 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5824 (ggc_print_statistics): Initialize variable before use.
5826 2005-07-25 Richard Guenther <rguenther@suse.de>
5828 * tree-dfa.c (mark_new_vars_to_rename): Protect against
5829 calling with a PHI_NODE argument.
5831 * tree-flow-inline.h (overlap_subvar): Protect against
5834 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
5836 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5837 * configure: Regenerate.
5839 2005-07-25 Ira Rosen <irar@il.ibm.com>
5841 * expr.c (highest_pow2_factor): Make extern.
5842 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5843 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5844 record_array_differ_p, array_ptr_differ_p): Likewise.
5845 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5846 additional cases. Call the above functions.
5847 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5848 base_object_differ_p when there are two base objects. Otherwise, compare
5849 base address and offset. Call may_alias_p.
5850 (dump_data_reference): Use a correct field name.
5851 (analyze_array): Make static. Initialize new data-ref fields.
5852 (analyze_indirect_ref): New function.
5853 (init_data_ref): Initialize new data-ref fields.
5854 (strip_conversion): Moved from tree-vect-analyze.c.
5855 (analyze_offset_expr, get_ptr_offset, address_analysis,
5856 object_analysis): Likewise.
5857 (analyze_offset): New function.
5858 (create_data_ref): Likewise.
5859 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5860 dimensions for ARRAY_REFs only.
5861 (build_classic_dist_vector): Make static.
5862 (access_functions_are_affine_or_constant_p): Call macro to get the
5863 address of access functions.
5864 (compute_all_dependences): Add new parameter
5865 compute_self_and_read_read_dependences. Compute self and read-read
5866 dependences if it is true.
5867 (find_data_references_in_loop): Call create_data_ref. Initialize new
5869 (compute_data_dependences_for_loop): Add new parameter
5870 compute_self_and_read_read_dependences. Remove parameter nb_loops,
5871 compute nb_loops. Call compute_all_dependences,
5872 build_classic_dist_vector and build_classic_dir_vector with correct
5874 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5875 with correct parameters. Compare dimensions for ARRAY_REFs only.
5876 (free_data_refs): Call macro to free access functions.
5877 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5878 fields from stmt_vinfo.
5879 (struct base_object_info): New structure.
5880 (struct data_reference): Move fields to base_object_info. Add fields
5881 first_location and object_info for above structures. Move fields from
5882 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5883 aligned_to. Add macros to access the new fields.
5884 Update functions declarations.
5885 * tree-flow.h (is_aliased_with): Declare.
5886 * tree-loop-linear.c (linear_transform_loops): Call
5887 compute_data_dependences_for_loop with correct parameters.
5888 * tree-ssa-alias.c (is_aliased_with): New function.
5889 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5890 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5891 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5892 vect_base_addr_differ_p, compute_subscript_distance and
5893 build_classic_dist_vector. Add printings. Check absolute value of
5895 (vect_analyze_data_ref_dependences): Go through ddrs instead of
5897 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5898 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5899 to bytes. Add printing.
5900 (vect_compute_data_refs_alignment): Go through loads and stores in one
5902 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5903 vect_analyze_data_ref_access): Likewise.
5904 (vect_analyze_pointer_ref_access): Remove.
5905 (vect_address_analysis, vect_object_analysis): Likewise.
5906 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5907 and analyze data-refs in the loop.
5908 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5909 fields of data-ref instead of stmt. Add init to the offset from the
5911 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5912 (vect_update_init_of_dr): Likewise.
5913 (vect_update_inits_of_drs): Go through loads and stores in one loop.
5914 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5916 (new_loop_vec_info): Initialize new fields.
5917 (destroy_loop_vec_info): Free new fields.
5918 (vect_strip_conversion): Remove.
5919 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5920 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5921 datarefs. Add new field ddrs.
5922 Add macros for the new fields access.
5923 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5924 base_aligned_p, misalignment, memtag, ptr_info and subvars.
5925 Remove their macros.
5926 * tree.h (highest_pow2_factor): Declare.
5928 2005-07-25 Jakub Jelinek <jakub@redhat.com>
5930 * calls.c (store_one_arg): Check for sibling call MEM arguments
5931 from already clobbered incoming argument area.
5933 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5935 * c-common.c (check_missing_format_attribute): New.
5936 * c-common.h (check_missing_format_attribute): Likewise.
5937 * c-typeck.c (convert_for_assignment): Use it.
5939 2005-07-24 Andreas Schwab <schwab@suse.de>
5941 * config/m68k/m68k.md ("extendqidi2"): When source is an address
5942 register use a word move. Correct operand of ext.w in 68000 code.
5944 2005-07-23 Mark Mitchell <mark@codesourcery.com>
5946 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5947 variables as declarations, rather than definitions.
5949 2005-07-24 Ira Rosen <irar@il.ibm.com>
5951 PR tree-optimization/22526
5952 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5955 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5957 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5958 that C99 reserve for future use. Use it to define clog10,
5959 clog10f and clog10l.
5961 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5963 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5964 * configure.ac: Check for -Wmissing-format-attribute.
5966 * configure: Regenerate.
5968 2005-07-23 Richard Henderson <rth@redhat.com>
5970 PR tree-optimization/22623
5971 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5973 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
5976 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5978 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5980 * Makefile.in (C_TREE_H): Update dependencies.
5981 * c-tree.h: Include toplev.h.
5982 * diagnostic.h (diagnostic_set_info): Add format attribute.
5983 * rtl-error.c (diagnostic_for_asm): Likewise.
5985 2005-07-23 Chao-ying Fu <fu@mips.com>
5987 * config/mips/mips-dsp.md: New file.
5988 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5989 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5991 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5992 MIPS_BUILTIN_BPOSGE32.
5993 (mips_expand_builtin_direct): Add one parameter to indicate that
5994 builtin functions need to return a value.
5995 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5997 (mips_regno_to_class): Add classes for 12 new DSP registers.
5998 (mips_subword): Change to check four HI registers.
5999 (mips_output_move): Output move to and from 6 new DSP accumulators.
6000 (override_options): Make sure -mdsp and -mips16 are not used together.
6001 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6003 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6005 (print_operand): Add 'q' for printing DSP accumulators.
6006 (mips_cannot_change_mode_class): Check ACC_REGS.
6007 (mips_secondary_reload_class): Check ACC_REGS.
6008 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6009 (mips_register_move_cost): Check ACC_REGS.
6010 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6011 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6012 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6013 (dsp_bdesc): New array.
6014 (bdesc_arrays): Add DSP builtin function table.
6015 (mips_prepare_builtin_arg): Check predicate again after
6017 (mips_expand_builtin): Add one more parameter to
6018 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6019 MIPS_BUILTIN_BPOSGE32.
6020 (mips_init_builtins): Initialize new function types.
6021 (mips_expand_builtin_direct): Check if builtin functions need to
6022 return a value and pass operands properly.
6023 (mips_expand_builtin_bposge): New function.
6024 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6025 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6026 (FIRST_PSEUDO_REGISTER): Increase to 188.
6027 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6028 Update for 12 new DSP registers.
6029 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6030 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6031 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6032 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6033 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6034 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6035 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6036 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6037 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6038 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6039 (REGISTER_NAMES): Add names for 12 new DSP registers.
6040 * config/mips/mips.md: Include mips-dsp.md.
6041 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6042 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6043 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6044 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6045 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6046 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6047 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6048 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6049 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6050 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6051 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6052 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6053 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6054 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6055 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6056 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6057 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6058 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6059 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6060 (UNSPEC_RDDSP): New constants.
6061 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6062 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6064 * config/mips/mips.opt (-mdsp): New option.
6065 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6066 (reg_imm10_operand): New predicates.
6067 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6068 * doc/invoke.texi (-mdsp): Document new option.
6070 2005-07-22 DJ Delorie <dj@redhat.com>
6072 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6074 * tree-inline.c (inlinable_function_p): Likewise.
6076 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6079 * toplev.c (check_global_declarations): Do not mark undefined
6080 variables as DECL_IGNORED_P.
6081 * varasm.c (first_global_object_name): GTY it.
6082 (weak_global_object_name): Likewise.
6083 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6084 a string to go into {weak,first}_global_object_name.
6086 2005-07-22 DJ Delorie <dj@redhat.com>
6088 * c-format.c (check_function_format): Change warning control
6089 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6091 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6093 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6094 &PTR->FLD a dereference of PTR.
6095 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6096 a potential dereference of PTR.
6098 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6100 PR rtl-optimization/20370
6101 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6102 call allocate_reg_info if necessary.
6104 PR rtl-optimization/21848
6105 * calls.c (emit_library_call_value_1): For const functions, add
6106 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6108 PR rtl-optimization/22445
6109 * cselib.c (target.h): Include.
6110 (rtx_equal_for_cselib_p): Allow commutative matches.
6111 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6112 Remove MODE parameter. Changed all callers.
6114 PR rtl-optimization/22258
6115 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6117 (try_combine): Use likely_spilled_retval_p.
6119 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6121 * config.gcc: Add crx-elf support.
6123 * doc/contrib.texi: Mention crx.
6124 * doc/extend.texi: Document crx extensions.
6125 * doc/install.texi: Document crx install.
6126 * doc/invoke.texi: Document crx options.
6127 * doc/md.texi: Document crx constraints.
6129 * config/crx/crx-protos.h: New file.
6130 * config/crx/crx.c: New file.
6131 * config/crx/crx.h: New file.
6132 * config/crx/crx.md: New file.
6133 * config/crx/crx.opt: New file.
6134 * config/crx/t-crx: New file.
6136 2005-07-22 Manfred Hollstein <mh@suse.com>
6138 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6140 (int_add_graph_edge): Likewise.
6141 (collapse_nodes): Likewise.
6142 (process_unification_queue): Likewise.
6144 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6145 Laurent GUERBY <laurent@guerby.net>
6147 PR tree-optimization/22336
6148 * function.c (record_block_change): Check for
6149 cfun->ib_boundaries_block.
6151 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6153 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6154 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6156 2005-07-21 DJ Delorie <dj@redhat.com>
6158 * toplev.c (warn_deprecated_use): Add warning control to warning
6160 * c-typeck.c (parser_build_binary_op): Likewise.
6161 (c_finish_if_stmt): Likewise.
6162 * c-common.c (check_function_sentinel): Likewise.
6163 (check_nonnull_arg): Likewise.
6165 2005-07-21 Richard Henderson <rth@redhat.com>
6168 * tree-complex.c (complex_ssa_name_components): New.
6169 (cvc_lookup): Allow entry not found.
6170 (create_components): Remove.
6171 (create_one_component_var, get_component_var): New.
6172 (get_component_ssa_name, set_component_ssa_name): New.
6173 (extract_component): Use get_component_ssa_name.
6174 (update_complex_components): Use set_component_ssa_name.
6175 (update_complex_components_on_edge): Likewise.
6176 (update_phi_components): Create new PHI nodes directly, instead
6177 of adding insns to edges.
6178 (tree_lower_complex): Allocate and free complex_variable_components
6179 and complex_ssa_name_components here.
6181 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6183 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6184 revert to returning false.
6186 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6189 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6191 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6194 * config/i386/i386.md (cmpxf): Change operand constraints
6195 to "nonmemory_operand".
6197 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6199 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6201 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6204 * fold-const.c (fold_build1): Add checksum for the operands.
6205 (fold_build2): Likewise.
6206 (fold_build3): Likewise.
6208 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6211 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6213 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6215 * common.opt (-fforward-propagate): Committed by mistake,
6218 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6220 * reg-stack.c: Fix comment typo(s).
6221 * tree-ssa-operands.c: Likewise.
6222 * tree-vectorizer: Likewise.
6224 2005-07-21 Nick Clifton <nickc@redhat.com>
6226 * config/sh/symbian.c: Replace C++ style line comments with C
6227 style line comments.
6228 (symbian_add_attribute): Do not use a ? operator on the LHS of
6230 (sh_symbian_handle_dll_attribute): Change the type of the
6231 method vector to "VEC(tree,gc)*" and use vector accessor
6232 macros to walk over the elements.
6233 (symbian_export_vtable_and_rtti_p): Likewise.
6234 (symbian_class_needs_attribute_p): Likewise.
6236 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6239 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6240 initialize targetm.resolve_overloaded_builtin here.
6241 (altivec_expand_overloaded_builtin): Make it non-static.
6242 * config/rs6000/rs6000-protos.h
6243 (altivec_expand_overloaded_builtin): New prototype.
6244 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6245 targetm.resolve_overloaded_builtin here.
6246 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6248 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6249 Zdenek Dvorak <dvorakz@suse.cz>
6251 PR tree-optimization/19210
6252 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6254 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6255 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6256 rely on unproven assumptions.
6257 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6258 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6259 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6260 to number_of_iterations_exit.
6261 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6262 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6263 * tree-ssa-loop-niter.c (find_loop_niter,
6264 estimate_numbers_of_iterations_loop): Likewise.
6265 (number_of_iterations_exit): Honor the new options.
6266 * doc/invoke.texi (Wunsafe-loop-optimizations,
6267 funsafe-loop-optimizations): Document them.
6269 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6271 PR rtl-optimization/22167
6272 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6274 2005-07-20 Adam Nemet <anemet@lnxw.com>
6276 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6277 __do_global_dtors_aux longcall.
6279 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6281 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6282 (old_special_pred_table): Don't reference
6283 SPECIAL_MODE_PREDICATES.
6284 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6285 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6286 * config/sh/predicates.h: Don't mention
6287 SPECIAL_MODE_PREDICATES.
6288 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6291 2005-07-20 DJ Delorie <dj@redhat.com>
6293 * config.gcc: Add m32c-elf support.
6295 * doc/contrib.texi: Mention m32c.
6296 * doc/extend.texi: Document m32c extensions.
6297 * doc/install.texi: Mention m32c.
6298 * doc/invoke.texi: Document m32c options.
6299 * doc/md.texi: Document m32c constraints.
6301 * config/m32c/addsub.md: New file.
6302 * config/m32c/bitops.md: New file.
6303 * config/m32c/cond.md: New file.
6304 * config/m32c/jump.md: New file.
6305 * config/m32c/m32c-lib1.S: New file.
6306 * config/m32c/m32c-lib2.c: New file.
6307 * config/m32c/m32c-modes.def: New file.
6308 * config/m32c/m32c-pragma.c: New file.
6309 * config/m32c/m32c-protos.h: New file.
6310 * config/m32c/m32c.abi: New file.
6311 * config/m32c/m32c.c: New file.
6312 * config/m32c/m32c.h: New file.
6313 * config/m32c/m32c.md: New file.
6314 * config/m32c/m32c.opt: New file.
6315 * config/m32c/minmax.md: New file.
6316 * config/m32c/mov.md: New file.
6317 * config/m32c/muldiv.md: New file.
6318 * config/m32c/predicates.md: New file.
6319 * config/m32c/prologue.md: New file.
6320 * config/m32c/shift.md: New file.
6321 * config/m32c/t-m32c: New file.
6323 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6325 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6326 (stack_protect_set, stack_protect_test): New expanders.
6327 (stack_protect_set_si, stack_protect_set_si_media,
6328 stack_protect_set_di_media, stack_protect_test_si,
6329 stack_protect_test_si_media, stack_protect_test_di_media):
6332 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6334 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6336 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6338 * tree.h (tree_expr_nonzero_p): Export.
6339 * fold-const.c (tree_expr_nonzero_p): Likewise.
6340 Return true for CALL_EXPRs that are alloca calls.
6341 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6343 * tree-flow.h (expr_computes_nonzero): Remove.
6344 * tree-vrp.c (expr_computes_nonzero): Remove.
6345 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6346 (extract_range_from_unary_expr): Likewise.
6347 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6348 tree_expr_nonzero_p.
6350 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6352 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6353 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6354 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6355 All callers changed.
6356 (frame_related_constant_load): New arg "related" which controls
6357 setting of RTX_FRAME_RELATED_P. All callers changed.
6358 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6359 (bfin_expand_prologue): Add stack limit checking.
6360 * config/bfin/bfin.md (trapifcc): New pattern.
6362 * config/bfin/bfin.c: Include "langhooks.h".
6363 (def_builtin): Go through lang_hooks to call builtin_function.
6365 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6366 * config/bfin/predicates.md (symbol_ref_operand): New.
6367 (call_insn_operand): Delete. All callers changed to use
6368 register_no_elim_operand.
6369 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6371 (function_arg): Use it to generate the call's operand 2.
6372 (bfin_longcall_p): New function.
6373 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6374 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6375 determine if the address needs to be in a REG.
6376 (bfin_handle_longcall_attribute): New function.
6377 (bfin_attribute_table): Add "longcall" and "shortcall".
6378 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6379 (CUMULATIVE_ARGS): New member call_cookie.
6380 (PREDICATE_CODES): Add symbol_ref_operand.
6381 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6382 extra USE to the pattern.
6383 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6384 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6385 sibcall_value_insn; now the new patterns handle direct calls and the
6386 old ones indirect calls.
6387 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6389 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6391 * doc/trouble.texi: Update section on handling of empty loops.
6393 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6395 * config.gcc: Remove support for sparc-*-openbsd*,
6396 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6398 * config.host: Remove support for i860-*-sysv4* as a host.
6399 * config/i860/*, config/ip2k/*, config/ns32k/*,
6400 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6401 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6402 mention obsolete ports.
6404 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6406 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6408 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6409 of frame_pointer_rtx.
6410 (sh_expand_epilogue): Likewise.
6411 (sh_set_return_address): Likewise.
6412 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6413 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6414 offsets from FRAME_POINTER_REGNUM.
6415 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6416 (sh_register_names): Add initializer for sfp.
6417 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6418 (VALID_REGISTER_P): Likewise.
6419 (FIRST_PSEUDO_REGISTER): Update.
6420 (DWARF_FRAME_REGISTERS): Define.
6421 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6422 (HARD_FRAME_POINTER_REGNUM): Define.
6423 (FRAME_POINTER_REGNUM): Redefine.
6424 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6425 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6426 from FRAME_POINTER_REGNUM.
6427 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6428 FRAME_POINTER_REGNUM.
6429 (REG_CLASS_CONTENTS): Add sfp.
6430 (REG_ALLOC_ORDER): Likewise.
6431 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6432 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6433 of frame_pointer_rtx.
6434 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6436 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6438 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6439 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6440 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6442 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6445 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6447 Make CONSTRUCTOR use VEC to store initializers.
6448 * c-common.c (complete_array_type): Update to cope with VEC in
6450 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6451 (pp_c_constructor_elts): New function.
6452 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6453 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6454 struct constructor_stack, struct initializer_stack,
6455 constructor_elements, push_init_level, pop_init_level,
6456 add_pending_init, find_init_member, output_init_element): Update to
6457 cope with VEC in CONSTRUCTOR_ELTS.
6458 * coverage.c (build_fn_info_value, build_ctr_info_value,
6459 build_gcov_info): Likewise.
6460 * expr.c (categorize_ctor_elements_1, store_constructor,
6461 expand_expr_real_1): Likewise.
6462 * fold-const.c (fold_ternary): Likewise.
6463 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6464 gimplify_init_constructor, gimplify_expr): Likewise.
6465 * tree-dump.c (dequeue_and_dump): Likewise.
6466 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6468 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6470 * tree-sra.c (generate_element_init_1): Likewise.
6471 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6472 * tree-ssa-operands.c (get_expr_operands): Likewise.
6473 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6474 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6475 (get_initial_def_for_reduction): Likewise.
6476 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6477 value handle in annotations.
6478 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6479 tree_node_structure): Add support for constr_kind.
6480 (build_vector_from_ctor, build_constructor_single,
6481 build_constructor_from_list): New functions.
6482 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6483 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6484 Update to cope with VEC in CONSTRUCTOR_ELTS.
6485 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6486 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6487 CONSTRUCTOR_APPEND_ELT): New macros.
6488 (struct constructor_elt, struct tree_constructor): New data types.
6489 (union tree_node): Add tree_constructor field.
6490 * treestruct.def: Define TS_CONSTRUCTOR.
6491 * varasm.c (const_hash_1, compare_constant, copy_constant,
6492 compute_reloc_for_constant, output_addressed_constants,
6493 initializer_constant_valid_p, output_constant,
6494 array_size_for_constructor, output_constructor): Update to cope with
6495 VEC in CONSTRUCTOR_ELTS.
6496 * vec.h (VEC_empty, VEC_copy): New macros.
6498 2005-07-19 Devang Patel <dpatel@apple.com>
6500 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6502 2005-07-19 Richard Henderson <rth@redhat.com>
6505 * gimplify.c (gimplify_expr): Use main variant type for the temp
6506 destination for a discarded volatile read.
6507 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6508 casts between non-void types that change volatility.
6510 2005-07-15 DJ Delorie <dj@redhat.com>
6512 * toplev.h: Add comment about the first parameter for warning().
6513 * errors.h: Likewise.
6515 * c.opt (Wpragmas): New.
6516 * doc/invoke.texi: Document it.
6518 * function.c (do_warn_unused_parameter): Add warning control to
6520 * c-decl.c (warn_if_shadowing): Likewise.
6521 * c-lex.c (cb_def_pragma): Likewise.
6522 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6523 (pop_alignment): Likewise.
6524 (handle_pragma_pack): Likewise.
6525 (apply_pragma_weak): Likewise.
6526 (handle_pragma_weak): Likewise.
6527 (handle_pragma_redefine_extname): Likewise.
6528 (add_to_renaming_pragma_list): Likewise.
6529 (handle_pragma_extern_prefix): Likewise.
6530 (maybe_apply_renaming_pragma): Likewise.
6531 (handle_pragma_visibility): Likewise.
6533 * config/c4x/c4x-c.c (BAD): Likewise.
6534 (c4x_parse_pragma): Likewise.
6535 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6536 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6537 (rs6000_pragma_longcall): Likewise.
6538 * config/v850/v850-c.c (pop_data_area): Likewise.
6539 (ghs_pragma_section): Likewise.
6540 (ghs_pragma_section): Likewise.
6541 (ghs_pragma_interrupt): Likewise.
6542 (ghs_pragma_starttda): Likewise.
6543 (ghs_pragma_startsda): Likewise.
6544 (ghs_pragma_startzda): Likewise.
6545 (ghs_pragma_endtda): Likewise.
6546 (ghs_pragma_endsda): Likewise.
6547 (ghs_pragma_endzda): Likewise.
6549 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6550 Kenneth Zadeck <zadeck@naturalbridge.com>
6552 * Makefile.in: Removed tree-promote-statics.c
6553 * tree-promote-statics.c: Removed.
6554 * common.opt: Removed flag-promote-statics.
6556 * passes.c: Removed tree-promote-statics pass.
6557 * tree-pass.h: Ditto.
6558 * timevar.def: Removed TV_PROMOTE_STATICS.
6561 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6563 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6565 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6567 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6570 * c-common.c (check_function_arguments): Call
6571 'check_function_format' if either -Wformat or
6572 -Wmissing-format-attribute are specified.
6573 * c-format.c (check_function_format): Check -Wformat before
6574 calling 'check_format_info'.
6575 * c-opts.c (c_common_post_options): Don't warn for
6576 -Wmissing-format-attribute without -Wformat.
6577 * c-typeck.c (convert_for_assignment): Detect additional cases for
6578 -Wmissing-format-attribute.
6579 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6582 2005-07-19 Richard Guenther <rguenther@suse.de>
6584 * config/i386/i386.md (lrint<mode>2): Use temporary
6585 instead of clobbering non-existent memory.
6587 2005-07-19 Nick Clifton <nickc@redhat.com>
6589 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6590 statement to avoid displaying ASCII control characters.
6592 2005-07-19 Ben Elliston <bje@au.ibm.com>
6594 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6595 * cfganal.c (find_edge_index): Ditto.
6596 * combine.c (combine_instructions): Ditto.
6597 * ddg.c (create_scc): Ditto.
6598 (find_successors): Ditto.
6599 (find_predecessors): Ditto.
6600 (find_nodes_on_paths): Ditto.
6601 (longest_simple_path): Ditto.
6602 * flow.c (update_life_info): Ditto.
6603 (count_or_remove_death_notes): Ditto.
6604 (clear_log_links): Ditto.
6605 * modulo-sched.c (generate_reg_moves): Ditto.
6606 (find_max_asap): Ditto.
6607 (find_max_hv_min_mob): Ditto.
6608 (find_max_dv_min_mob): Ditto.
6609 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6610 * sched-rgn.c (extract_edgelst): Ditto.
6611 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6612 (dump_update_ssa): Ditto.
6613 (ssa_names_to_replace) Ditto.
6614 (switch_virtuals_to_full_rewrite): Ditto.
6615 (update_ssa): Ditto.
6616 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6618 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6620 Fix PR tree-optimization/22483
6622 * tree-complex.c (create_components): Use
6623 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6624 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6625 * tree-flow.h (safe_referenced_var_iterator): New structure.
6626 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6627 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6628 safe_referenced_var iterator.
6629 (add_type_alias): Ditto.
6631 2005-07-19 Steven Bosscher <stevenb@suse.de>
6633 * loop-init.c (rest_of_handle_loop2): Remove.
6634 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6635 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6636 (pass_rtl_loop_init, pass_rtl_loop_done,
6637 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6638 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6639 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6640 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6641 pass_tree_loop_done, and pass_tree_unswitch.
6642 (gate_loop): Rename to gate_tree_loop.
6643 * passes.c (init_optimization_passes): Update for renamed tree
6644 loop passes. Add the new loop2 passes as subpasses of loop2.
6645 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6646 Update for the renamed tree loop passes.
6648 2005-07-18 Ian Lance Taylor <ian@airs.com>
6651 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6652 blocks when optimizing.
6654 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6656 * common.opt (frename-registers): Initialize to 2.
6658 (fgcse-after-reload): Ditto.
6659 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6660 (process_options): Only change flag_web, flag_rename_registers,
6661 and flag_rerun_cse_after_loop if not explicitly set by user.
6663 2005-07-18 Jan Beulich <jbeulich@novell.com>
6665 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6666 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6667 in 64-bit mode the same as DImode in 32-bit mode.
6668 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6669 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6670 mode. Add new mode parameter.
6671 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6672 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6673 x86_64_shift_adj): New expanders.
6674 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6675 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6677 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6678 DImode shift splitters.
6679 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6680 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6683 2005-07-18 Jan Beulich <jbeulich@novell.com>
6685 * i386.md (movdi_extzv_1): New.
6686 (zero_extendhidi2): Combine alternatives and never force use of
6688 (zero_extendqidi2): Likewise. Don't restrict input selection.
6690 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6692 Fix PR tree-optimization/22531
6693 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6696 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6698 * tree-promote-statics.c (pass_promote_statics): Change dump file
6701 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6703 * tree-optimize.c (init_tree_optimization_passes): Add
6704 pass_eliminate_useless_stores pass.
6705 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6706 * tree-ssa-pre.c (is_copy_stmt): New function.
6707 (follow_copies_till_vuse): Ditto.
6708 (do_eustores): Ditto.
6709 (gate_eustores): Ditto.
6711 2005-07-16 Richard Henderson <rth@redhat.com>
6713 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6715 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6716 Kenneth Zadeck <zadeck@naturalbridge.com>
6718 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6719 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6720 ipa-type-escape.h, tree-promote-statics.c
6721 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6722 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6723 tree-promote-statics.c: new files.
6724 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6725 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6726 int nonlocal_set_p, mark_constant_function): Deleted.
6727 (rest_of_handle_cfg): Removed call to mark_constant_function.
6728 (nonoverlapping_component_refs_p): Added calls to support
6729 type based aliasing.
6730 * tree-ssa-alias.c (may_alias_p,
6731 compute_flow_insensitive_aliasing): Ditto.
6732 * calls.c (flags_from_decl_or_type): Removed reference to
6734 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6735 too many arguments. This is necessary for Spec 2000.
6736 * cgraph.h (const_function, pure_function): Removed.
6737 * common.opt: Added "fipa-pure-const", "fipa-reference",
6738 "fipa-type-escape", and "ftree-promote-static".
6740 * passes.c: Added ipa and tree-promote-statics passes.
6741 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6742 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6743 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6744 * tree-flow.h: Added exposed sra calls and addition of
6745 reference_vars_info field for FUNCTION_DECLS.
6746 * tree-pass.h: Added passes.
6747 * tree-sra.c: (sra_init_cache): New function.
6748 (sra_insert_before, sra_insert_after) Made public.
6749 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6751 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6752 aliasing. (may_alias_p): Added code to use type escape analysis to
6754 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6755 code to prune clobbers of static variables based on information
6756 produced in ipa-reference pass. Changed call clobbering so that
6757 statics are not marked as clobbered if the call does not clobber
6760 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
6762 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6765 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6767 * doc/install.texi (*-*-solaris2*): Document recommended version
6768 of GNU binutils and mention GNU linker problem on Solaris 10.
6770 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
6773 * c-decl.c (c_build_bitfield_integer_type): New function.
6774 (finish_struct): Call it.
6775 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6777 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6779 * c-typeck.c (digest_init): Call 'convert_for_assignment'
6782 2005-07-16 Jan Hubicka <jh@suse.cz>
6784 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6785 (scale_bbs_frequencies_int): Watch roundoff errors.
6786 * predict.c (return_prediction): Initialize return_stmt.
6788 2005-07-16 Jan Hubicka <jh@suse.cz>
6790 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6791 after RTL profiling.
6793 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
6796 * fold-const.c (build_range_check): Convert high/low to etype
6797 if we are only comparing against exp.
6799 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
6801 Fix PR tree-optimization/22376
6802 * tree-ssa-structalias.c (build_constraint_graph): We really meant
6804 (need_to_solve): New function.
6805 (compute_points_to_sets): Use it.
6807 2005-07-15 Jan Hubicka <jh@suse.cz>
6809 * cfg.c (update_bb_profile_for_threading): More diagnostic.
6810 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6812 2005-07-15 Richard Guenther <rguenther@suse.de>
6814 * c-common.c (handle_flatten_attribute): New function.
6815 Add flatten function attribute.
6816 * doc/extend.texi: Document flatten function attribute.
6817 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6818 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6820 (cgraph_decide_inlining): Handle functions with flatten
6823 2005-07-14 David Edelsohn <edelsohn@gnu.org>
6825 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6826 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6827 UNSPEC_XCHG, UNSPEC_AND): New.
6828 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6829 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6830 * config/rs6000/sync.md (FETCHOP): New code macro.
6831 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6833 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6834 (sync_compare_and_swap<mode>): Same.
6835 (sync_lock_test_and_set<mode>): Same.
6836 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6837 for QImode and HImode, and not PPC405.
6838 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6839 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6840 (sync_<fetchop>{si,di}_internal): New.
6841 (sync_nand{si,di}_internal): New.
6842 (sync_old_<fetchop>{si,di}_internal): New.
6843 (sync_old_nand{si,di}_internal): New
6844 (sync_new_<fetchop>{si,di}_internal): New.
6845 (sync_new_nand{si,di}_internal): New.
6846 (atomic_and{si,di}): New.
6847 (sync_new_nand{si,di}_internal): New.
6848 (atomic_and{si,di}): New.
6849 (sync_add<mode>_internal): Delete.
6850 (sync_addshort_internal): Use unspec instead of unspec_volatile.
6851 (sync_sub<mode>_internal): Delte.
6852 (sync_subshort_internal): New.
6853 (sync_andsi_internal): Use unspec instead of unspec_volatile.
6854 (sync_anddi_internal): Delete.
6855 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6856 (sync_booldi_internal): Delete.
6857 (sync_boolc<mode>_internal): Delete.
6858 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6859 (sync_boolc<mode>_internal2): Delete.
6860 (sync_boolcc<mode>_internal): Delete.
6861 (isync, lwsync): Use unspec instead of unspec_volatile.
6862 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6863 Revert UNSPEC_VOLATILE.
6864 (rs6000_split_atomic_op): New.
6865 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6867 2005-07-14 Eric Christopher <echristo@redhat.com>
6869 * config/mips/mips.c (mips_canonicalize_comparison): Cast
6870 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6872 2005-07-14 Eric Christopher <echristo@redhat.com>
6874 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6876 2005-07-14 Steven Bosscher <stevenb@suse.de>
6878 PR tree-optimization/22230
6879 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6880 the computation of the four cross productions for "range op range".
6882 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
6883 Ulrich Weigand <uweigand@de.ibm.com>
6886 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6889 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6891 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6893 2005-07-14 Steve Ellcey <sje@cup.hp.com>
6895 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6897 2005-07-14 Richard Guenther <rguenther@suse.de>
6900 * config/i386/i386-protos.h (ix86_function_value): Change
6901 prototype to match new target hook.
6902 * config/i386/i386.c (ix86_value_regno): Change prototype
6903 to take extra type argument.
6904 (TARGET_FUNCTION_VALUE): Define.
6905 (ix86_function_ok_for_sibcall): Pass extra argument to
6906 ix86_value_regno, check return slot rtx for exact match.
6907 (ix86_function_value): Take extra parameter. Dispatch to
6908 ix86_value_regno with fndecl/fntype as provided.
6909 (ix86_value_regno): Handle extra type argument.
6910 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6912 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6913 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6914 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6915 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6916 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6918 2005-07-14 Richard Guenther <rguenther@suse.de>
6920 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6921 * calls.c (expand_call): Pass fntype to hard_function_value.
6922 (emit_library_call_value_1): Likewise.
6923 * explow.c: Include target.h.
6924 (hard_function_value): Take extra argument, the fntype.
6925 Use new target hook for function_value.
6926 * expr.h (hard_function_value): Change prototype.
6927 * function.c (aggregate_value_p): Pass 0 as fntype to
6928 hard_function_value.
6929 (assign_parms): Use new target hook for function_value.
6930 Pass 0 as fntype to hard_function_value.
6931 (expand_function_end): Likewise.
6932 * reg-stack.c: Include target.h.
6933 (stack_result): Use new target hook for function_value.
6934 * target-def.h: New target hook function_value.
6935 * target.h: Likewise.
6936 * targhooks.c (default_function_value): New function.
6937 * targhooks.h (default_function_value): Declare.
6939 2005-07-13 Ian Lance Taylor <ian@airs.com>
6941 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6943 2005-07-14 Jan Hubicka <jh@suse.cz>
6945 * tree-dfa.c (dump_variable): Use default_def function.
6946 * tree-ssa-alias.c (dump_points_to_info): Likewise.
6947 * tree-ssa.c (verify_use): Likewise.
6948 * tree-ssanames.c (release_ssa_name): Likewise.
6949 * tree-tailcall.c (eliminate_tail_call): Likewise.
6950 (tree_optimize_tail_calls_1): Likewise.
6951 * tree-vrp.c (get_value_range): Likewise.
6953 2005-07-14 Ben Elliston <bje@au.ibm.com>
6955 * gcc.c (main): Compare language[0] with '*' when iterating over
6958 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6960 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6961 "s390_emit_compare". Add handling of CCZ1mode.
6962 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6963 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6965 (s390_branch_condition_mask): Add CCZ1mode handling.
6966 * config/s390/s390.md: ("seq", "*seq"): New pattern.
6967 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6968 Use CCZ1mode instead of CCZmode.
6969 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
6971 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6973 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6975 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6977 2005-07-13 Eric Christopher <echristo@redhat.com>
6979 * config/mips/mips.c (mips_canonicalize_comparison): New.
6980 (mips_emit_int_relational): Use.
6982 2005-07-13 Eric Christopher <echristo@redhat.com>
6984 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6986 * config/s390/s390.md: Include tpf.md. Move tpf specific
6988 * config/s390/tpf.md: To here.
6989 * config/s390/s390.opt: Move tpf specific options...
6990 * config/s390/tpf.opt: to here. Add mmain option.
6991 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6992 * config/s390/tpf.h: Rewrite.
6994 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6996 * doc/tm.texi: Remove @xref{Cross-profiling}.
6998 2005-07-13 Jeff Law <law@redhat.com>
7000 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7001 expressions, test their _DECL operands for pointer equality rather
7002 than using operand_equal_p.
7004 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7006 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7007 (TARGET_POSIX_IO): This.
7008 * config/darwin.h: Likewise.
7009 * config/freebsd.h: Likewise.
7010 * config/linux.h: Likewise.
7011 * config/lynx.h: Likewise.
7012 * config/netbsd.h: Likewise.
7013 * config/rs6000/linux64.h: Likewise.
7014 * config/rs6000/linux.h: Likewise.
7015 * config/s390/tpf.h: Likewise.
7016 * config/sh/embed-elf.h: Likewise.
7017 * config/sparc/linux64.h: Likewise.
7018 * config/sparc/linux.h: Likewise.
7019 * config/svr4.h: Likewise.
7020 * gcov-io.h: Likewise.
7022 * doc/tm.texi: Updated.
7024 * libgcov.c (create_file_directory): Defined only if
7025 TARGET_POSIX_IO is defined.
7026 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7029 2005-07-13 Jan Hubicka <jh@suse.cz>
7031 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7033 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7035 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7036 structure as argument.
7038 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7040 PR tree-optimization/21921
7041 * tree-iterator.c (tsi_link_before): Support the case when
7042 tsi_end_p (tsi) == true.
7044 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7046 PR tree-optimization/22442
7047 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7050 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7052 PR rtl-optimization/20376
7053 * toplev.c (process_options): Enable -fweb and -frename-registers when
7055 * doc/invoke.texi: Update the information about when -fweb and
7056 -frename-registers are enabled.
7058 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7061 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7062 if *rhs_p is not a SSA_NAME.
7064 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7066 Fix PR tree-optimization/22422
7067 * tree-ssa-structalias.c (struct variable_info): Add flag for
7069 (get_varinfo): Now a static function.
7070 (new_varinfo): init has_union and is_special_var to false.
7071 (solution_set_add): Check has_union.
7072 (do_da_constraint): Move temporary variable so it gets reset
7074 Also check for special variable.
7075 (do_ds_constraint): Ditto.
7076 (do_sd_constraint): Ditto.
7077 (do_structure_copy): Check for special variable.
7078 (find_func_aliases): Ditto.
7079 (init_base_vars): Set special vars properly.
7081 2005-07-13 Jan Hubicka <jh@suse.cz>
7083 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7086 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7087 (get_expr_operands): Fix thinko wrt flags and subvars.
7089 PR tree-optimize/22379
7090 * tree-inline.c (expand_call_inline): Do not output sorry in early
7093 2005-07-12 Dale Johannesen <dalej@apple.com>
7095 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7097 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7100 * host-linux.h: Include limits.h.
7102 2005-07-12 Dale Johannesen <dalej@apple.com>
7104 * expr.c (compress_float_constant): Add cost check.
7105 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7107 2005-07-12 Dale Johannesen <dalej@apple.com>
7109 * gcc.target/i386/compress-float-sse.c: New.
7110 * gcc.target/i386/compress-float-sse-pic.c: New.
7111 * gcc.target/i386/compress-float-387.c: New.
7112 * gcc.target/i386/compress-float-387-pic.c: New.
7113 * gcc.dg/compress-float-ppc.c: New.
7114 * gcc.dg/compress-float-ppc-pic.c: New.
7116 2005-07-12 Eric Christopher <echristo@redhat.com>
7118 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7120 * config/s390/s390.md: Include tpf.md. Move tpf specific
7122 * config/s390/tpf.md: To here.
7123 * config/s390/s390.opt: Move tpf specific options...
7124 * config/s390/tpf.opt: to here. Add mmain option.
7125 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7126 * config/s390/tpf.h: Rewrite.
7128 2005-07-12 Eric Christopher <echristo@redhat.com>
7130 * gcc.c (struct infile): Update comment for language.
7131 (main): Rewrite input file resetting code.
7133 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7136 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7137 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7138 (lookup_avail_expr): Use constant_boolean_node instead
7139 of boolean_false_node/boolean_true_node.
7141 2005-07-12 Ben Elliston <bje@au.ibm.com>
7143 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7144 and use it when printing num_edges.
7146 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7148 * doc/extend.texi (Blackfin Built-in Functions): New section.
7149 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7152 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7154 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7155 s/cmpstrsi/cmpstrnsi
7156 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7158 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7159 (init_optabs): Initialize cmpstrn_optab.
7160 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7161 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7162 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7163 * config/i386/i386.md: s/cmpstr/cmpstrn
7164 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7165 * doc/md.texi: Update documentation.
7167 2005-07-11 Richard Henderson <rth@redhat.com>
7169 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7170 build_va_arg_indirect_ref.
7171 (alpha_gimplify_va_arg): Likewise.
7172 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7173 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7174 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7175 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7176 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7177 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7179 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7181 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7183 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7184 * passes.c (init_optimization_passes): Add pass_empty_loop.
7185 * tree-pass.h (pass_empty_loop): Declare.
7186 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7187 try_remove_empty_loop, remove_empty_loops): New functions.
7188 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7189 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7191 2005-07-12 Peter Barada <peter@the-baradas.com>
7195 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7196 in address registers.
7197 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7198 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7199 alternative of addsi3_5200.
7201 2005-07-11 Ian Lance Taylor <ian@airs.com>
7203 * config/mips/mips.md (ffs<mode>2): Remove.
7205 2005-07-11 Ian Lance Taylor <ian@airs.com>
7207 * doc/tree-ssa.texi (Cleanups): Improve description of
7209 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7211 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7213 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7214 * tree.h (DECL_ARGUMENT_FLD): New macro.
7216 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7218 Fix PR tree-optimization/22404
7220 * tree-ssa-structalias.c (create_variable_info_for): Use
7223 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7225 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7226 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7227 for second comparison operand.
7228 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7230 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7231 (define_insn_reservation "alu"): Likewise.
7232 (csync, ssync): Now of type sync.
7233 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7234 -mcsync-anomaly -mspecld-anomaly.
7235 * config/bfin/bfin.opt (mcsync): Remove.
7236 (mcsync-anomaly, mspecld-anomaly): Add.
7237 * config/bfin/bfin.c: Include "insn-codes.h".
7238 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7239 (TARGET_DEFAULT_TARGET_FLAGS): New.
7240 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7242 2005-07-11 Steven Bosscher <stevenb@suse.de>
7244 * basic-block.h: Give the BB flags enum a name, bb_flags.
7245 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7246 * cfgcleanup.c (enum bb_flags): Remove here.
7247 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7248 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7249 (update_forwarder_flag): Likewise.
7250 (thread_jump): Likewise.
7251 (try_forward_edges): Likewise.
7252 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7253 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7254 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7256 2005-07-11 Richard Guenther <rguenther@suse.de>
7258 * config/i386/i386.opt: New target option -msseregparm.
7259 * config/i386/i386.c (override_options): Error out for
7260 -msseregparm but no SSE support.
7261 (ix86_function_sseregparm): Check for global sseregparm.
7262 * doc/invoke.texi: Document -msseregparm.
7264 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7266 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7267 (m32rle-*-linux*): Ditto.
7269 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7271 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7272 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7275 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7279 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7280 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7282 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7284 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7285 (varmap): Heapify varmap.
7286 (constraints): Heapify constraints.
7287 (struct constraint_graph): Heapify succs and preds.
7288 (constraint_vec_find): Update for heapification.
7289 (constraint_set_union): Ditto.
7290 (insert_into_complex): Ditto.
7291 (constraint_edge_vec_find): Ditto.
7292 (erase_graph_self_edge): Ditto.
7293 (add_graph_edge): Ditto.
7294 (get_graph_weights): Ditto.
7295 (merge_graph_nodes): Ditto.
7296 (build_constraint_graph): Ditto.
7297 (topo_visit): Ditto.
7298 (solve_graph): Ditto.
7299 (create_variable_info_for): Ditto.
7300 (init_base_vars): Ditto.
7301 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7302 (condese_varmap_nodes): Free complex vector.
7303 (clear_edges_for_node): Clear succs and preds vector.
7305 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7307 * tree-ssa-structalias.c (update_alias_info): Change counting of
7308 references to not include vdefs.
7310 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7312 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7315 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7317 * pa.c (pa_commutative_p): Make PLUS commutative when
7318 TARGET_NO_SPACE_REGS is true.
7320 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7322 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7323 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7324 * tree-dfa.c (dump_subvars_for): New.
7325 (debug_subvars_for): New.
7326 (dump_variable): Show subvariables if VAR has them.
7327 * tree-flow-inline.h (get_subvar_at): New.
7328 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7329 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7331 (struct subvar): Change fields offset and size to unsigned
7333 (dump_subvars_for): Declare.
7334 (debug_subvars_for): Declare.
7335 (get_subvar_at): Declare.
7336 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7337 to unsigned HOST_WIDE_INT *.
7338 (overlap_subvar): Likewise.
7339 * tree-gimple.c (is_gimple_reg): Always return false for
7340 SFTs and memory tags.
7341 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7343 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7344 (compute_may_aliases): Call compute_points_to_sets.
7345 (collect_points_to_info_for): Remove.
7346 (compute_points_to_and_addr_escape): Remove.
7347 (delete_alias_info): Call delete_points_to_sets.
7348 (compute_flow_sensitive_aliasing): If the call to
7349 find_what_p_points_to returns false, call set_pt_anything.
7350 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7351 (set_pt_anything): Clear pi->pt_vars.
7352 (set_pt_malloc): Remove.
7353 (merge_pointed_to_info): Remove.
7354 (add_pointed_to_expr): Remove.
7355 (add_pointed_to_var): Remove.
7356 (collect_points_to_info_r): Remove.
7357 (is_escape_site): Make extern.
7359 (create_overlap_variables_for): Call it.
7360 * tree-ssa-copy.c (merge_alias_info): Never merge
7361 flow-sensitive alias information.
7362 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7363 offset and size to be unsigned HOST_WIDE_INT.
7364 (add_to_addressable_set): Rename from note_addressable.
7365 Set TREE_ADDRESSABLE as the variables are added to the set.
7367 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7368 operands into VUSEs when adding V_MAY_DEFs for members in an
7370 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7371 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7372 (struct variable_info): Add bitfield is_heap_var.
7373 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7374 (new_var_info): Initialize is_heap_var.
7375 (get_constraint_for): Add HEAP variables to the symbol table.
7376 Mark them with is_heap_var.
7377 (update_alias_info): New. Taken mostly from the old
7378 compute_points_to_and_addr_escape.
7379 (handle_ptr_arith): New.
7380 (find_func_aliases): Call update_alias_info.
7381 Call handle_ptr_info for tcc_binary expressions.
7382 Call mark_stmt_modified.
7383 (create_variable_info_for): If DECL has subvars, do not create
7384 variables for its subvars. Always add all the fields.
7385 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7386 SFTs, then add all the SFTs of the structure.
7387 If VI->DECL is an aggregate with subvariables, add the SFT at
7389 (find_what_p_points_to): If VI is an artificial variable,
7390 translate to bitfields in SSA_NAME_PTR_INFO.
7391 If the solution is empty, set pi->pt_vars to NULL
7392 (init_base_vars): Create ANYOFFSET.
7393 (compute_points_to_sets): Rename from create_alias_vars.
7395 (pass_build_pta): Remove.
7396 (delete_points_to_sets): Rename from delete_alias_vars.
7397 (pass_del_pta): Remove.
7398 * tree-ssa-structalias.h (struct alias_info): Move from
7400 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7401 NUM_REFERENCES_SET): Likewise.
7402 (compute_points_to_sets, delete_points_to_sets): Declare.
7404 2005-07-09 Richard Henderson <rth@redhat.com>
7406 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7407 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7408 alpha_split_lock_test_and_set_12): New functions.
7409 * config/alpha/alpha-protos.h: Update.
7410 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7411 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7412 * config/alpha/sync.md (I12MODE): New.
7413 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7414 (sync_<fetchop_name><I48MODE>): Likewise.
7415 (sync_nand<I48MODE>): Likewise.
7416 (sync_old_<fetchop_name><I48MODE>): Likewise.
7417 (sync_new_<fetchop_name><I48MODE>): Likewise.
7418 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7419 (sync_compare_and_swap<I48MODE>): Likewise.
7420 (sync_lock_test_and_set<I48MODE>): Likewise.
7421 (sync_compare_and_swap<I12MODE>): New.
7422 (sync_compare_and_swap<I12MODE>_1): New.
7423 (sync_lock_test_and_set<I12MODE>): New.
7424 (sync_lock_test_and_set<I12MODE>_1): New.
7426 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7430 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7432 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7434 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7435 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7437 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7440 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7442 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7444 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7445 memory_operand constraint.
7446 (store_conditional_<mode>): Same.
7447 (sync_compare_and_swap<mode>): Same.
7448 (sync_lock_test_and_set<mode>): Same.
7450 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7452 Rewrite PIC support to more closely model actual instructions.
7453 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7454 (cris_symbol): Remove prototypes for removed functions.
7455 (cris_pic_symbol_type_of, cris_valid_pic_const)
7456 (cris_expand_pic_call_address): Prototypes for new functions.
7457 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7459 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7461 <case ':'>: Add case for new punctuation character.
7462 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7463 emitting (extra) PIC modifier.
7464 <case UNSPEC>: Do not assert for PLT.
7465 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7466 (cris_expand_prologue, cris_expand_epilogue): Check
7467 for pic_offset_table_rtx usage instead of taking
7468 current_function_uses_pic_offset_table as the final word.
7469 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7470 Remove flag_pic difference.
7471 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7472 the moral equivalents of...
7473 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7475 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7476 (cris_handle_option): Mark ARG as unused.
7477 (cris_expand_pic_call_address): New worker function for "call",
7479 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7480 output PIC constructs here.
7481 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7482 as symbol-specific modifers, not whole or part of operands.
7483 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7484 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7485 constants and flag_pic.
7486 (CONSTANT_INDEX_P): Adjust for new functions.
7487 (enum cris_pic_symbol_type): New helper type.
7488 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7489 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7490 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7492 ("movsi"): Emit actual instructions for GOT and relative access.
7493 ("*movsi_got_load"): New pattern to set up the register holding
7495 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7496 Adjust FIXME for 'S'.
7497 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7498 Use "movs" for -fpic cases.
7499 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7500 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7501 ("call", "call_value"): Just call cris_expand_pic_call_address for
7503 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7504 Remove special pattern.
7505 ("*expanded_call_side", "*expanded_call_value_side"): New
7507 (gotplt-to-plt, gotplt-to-plt-side-call)
7508 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7510 * config/cris/cris/predicates.md
7511 ("cris_general_operand_or_gotless_symbol"): Remove unused
7513 ("cris_general_operand_or_symbol"): Adjust for new functions.
7515 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7517 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7519 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7521 * Makefile.in (TREE_H): Add treestruct.def.
7522 (c-decl.o): Add pointer-set.h
7523 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7524 visibility on regular DECL's.
7525 (merge_decls): Fix the copying of decl nodes of various types for
7526 the new structures. Don't update RTL, section name, weak status,
7527 etc, on DECL's without RTL.
7528 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7529 Don't check volatile on non-variable types.
7530 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7531 to check whether we have seen arguments.
7532 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7533 flag is checked before field (flag is common, field is not).
7534 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7535 TS_DECL_COMMON could have an origin.
7536 (add_location_or_const_value_attribute): Don't check section name
7537 on non-var/function decls.
7538 (dwarf2out_var_location): Reverse order of tests.
7539 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7540 with DECL_WRTL_CHECK.
7541 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7542 * fold-const.c (fold_binary): Don't check weakness on
7543 non-var/function decls.
7544 (tree_expr_nonzero_p): Ditto.
7545 (fold_checksum_tree): Use tree_decl_extra as sizeof
7547 * ggc-page.c (extra_order_size_table): Add sizes for
7548 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7550 * gimplify.c (gimplify_bind_expr): Only set
7551 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7552 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7554 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7555 * langhooks.h (init_ts). New langhook.
7556 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7557 * print-tree.c (print_node): Update to only print fields that
7558 exist in the structures the passed decl has.
7559 * toplev.c (wrapup_global_declarations): Don't reset
7560 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7561 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7562 * tree-inline.c (remap_decl): Ditto.
7563 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7564 * tree-pretty-print.c (print_declaration): Don't print
7565 DECL_REGISTER on things that don't contain it.
7566 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7567 non-var/function decls.
7568 * tree.c (tree_contains_struct): New structure.
7569 (init_priority_for_decl): New hashtable.
7570 (tree_int_map): New structure.
7571 (tree_int_map_eq): New function.
7572 (tree_int_map_marked_p): Ditto.
7573 (tree_int_map_hash): Ditto.
7574 (tree_map): Move to tree.h.
7575 (tree_map_eq): Externalize.
7576 (tree_map_hash): Ditto.
7577 (tree_map_marked_p): Ditto.
7578 (init_ttree): Set up tree_contains_struct and call langhook.
7579 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7580 (tree_code_size): Update for new structures.
7581 (tree_node_structure): Update for new structures.
7582 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7584 (copy_node_stat): Copy init priority.
7585 (build_decl_stat): Ditto for visibility.
7586 (ts_enum_names): New.
7587 (tree_contains_struct_check_failed): New function.
7588 (decl_init_priority_lookup): Ditto.
7589 (decl_init_priority_insert): Ditto.
7590 * treestruct.def: New file.
7591 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7592 (CONTAINS_STRUCT_CHECK): Ditto.
7593 (tree_contains_struct_check_failed): New prototype.
7594 (DECL_CHECK): Removed.
7595 (DECL_MINIMAL_CHECK): New.
7596 (DECL_COMMON_CHECK): Ditto.
7597 (DECL_WRTL_CHECK): Ditto.
7598 (DECL_NON_COMMON_CHECK): Ditto.
7599 (DECL_WITH_VIS_CHECK): Ditto.
7600 (VAR_OR_FUNCTION_DECL_P): Ditto
7601 (struct tree_decl_minimal): New structure.
7602 (struct tree_decl_common): Ditto.
7603 (struct tree_decl_with_rtl): Ditto.
7604 (struct tree_decl_with_vis): Ditto.
7605 (struct tree_decl_non_common): Ditto.
7606 (struct tree_field_decl): Ditto.
7607 (struct tree_parm_decl): Ditto.
7608 (struct tree_var_decl): Ditto.
7609 (struct tree_function_decl): Ditto.
7610 (struct tree_const_decl): Ditto.
7611 (struct tree_result_decl): Ditto.
7612 (union tree_node): Add new structures.
7613 * var-tracking.c (track_expr_p): Reverse order of tests.
7615 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7617 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7619 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7620 * system.h: Poison FINALIZE_PIC.
7621 * doc/tm.texi (FINALIZE_PIC): Remove.
7623 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7626 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7627 to the correct type if we have a MODIFY_EXPR.
7629 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7631 PR tree-optimization/22360
7632 * tree.c (upper_bound_in_type): Fix calculations for casting
7633 to a non-wider signed type and casting a signed value to a
7634 wider unsigned type.
7635 (lower_bound_in_type): Fix calculations for casting to a
7636 non-wider signed type.
7638 PR tree-optimization/20139
7639 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7641 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7642 fold_cond_expr_cond.
7643 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7644 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7646 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7649 * tree-complex.c (expand_complex_libcall): Produce
7650 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7652 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7654 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7655 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7656 b" assert and inserted fastpath code for this case.
7657 (bitmap_ior): Removed "a != b" assert.
7659 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7661 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7662 (ENDFILE_SPEC): Likewise.
7663 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7665 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7666 a large stack frame at epilogue.
7668 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7670 * final.c: Include sdbout.h when required.
7672 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7674 * config.gcc (*-*-darwin*): Only one target-specific header file
7676 (powerpc-*-darwin*): Add version-specific header files.
7677 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7678 * config.in: Regenerate.
7679 * configure: Regenerate.
7680 * gcc.c: Include xregex.h.
7681 (version_compare_spec_function): New.
7682 (spec_function): Add version-compare.
7683 (replace_outfile_spec_function): Reformat comment.
7684 (compare_version_strings): New.
7685 * config/darwin-c.c (version_as_macro): New.
7686 (builtin_define): New.
7687 (darwin_cpp_builtins): New.
7688 * config/darwin-protos.h (darwin_cpp_builtins): New.
7689 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7690 (LIB_SPEC): Make unconditional, update comment.
7691 (TARGET_C99_FUNCTIONS): Define.
7692 * config/darwin.opt: Sort.
7693 (mmacosx-version-min=): New.
7694 * config/darwin7.h: Delete.
7695 * config/darwin8.h: Delete.
7696 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7697 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7698 (TARGET_C99_FUNCTIONS): Define.
7699 * config/rs6000/darwin7.h: New.
7700 * config/rs6000/darwin8.h: New.
7701 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7702 (-mmacosx-version-min): Document.
7704 2005-07-07 Ian Lance Taylor <ian@airs.com>
7706 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7708 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7711 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7713 2005-07-07 Khem Raj <kraj@mvista.com>
7715 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7716 in bytes, not words.
7718 2005-07-07 Paul Brook <paul@codesourcery.com>
7720 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7721 DEFAULT_FUNCTION_ARG_PADDING to upward.
7723 2005-07-07 Richard Henderson <rth@redhat.com>
7725 * function.c (locate_and_pad_parm): Record parameter alignment in
7726 stack_alignment_needed.
7728 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7730 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7731 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7732 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7733 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7734 (define_attr "type"): Add isync, sync, load_l, store_c.
7735 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7736 Create scratch volatile MEM.
7737 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
7739 (load_locked_<mode>): New.
7740 (store_conditional_<mode>): New.
7741 (sync_compare_and_swap<mode>): Replace with splitter.
7742 (sync_lock_test_and_set<mode>): Replace with splitter.
7743 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7745 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7746 is ics. Attribute isync.
7747 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7749 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7750 and UNSPECV_SYNC_OP.
7751 (emit_unlikely_jump): New.
7752 (emit_load_locked): New.
7753 (emit_store_conditional): New.
7754 (rs6000_split_compare_and_swap): New.
7755 (rs6000_split_lock_test_and_set): New.
7756 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7757 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7758 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7759 rs6000_split_lock_test_and_set): Declare.
7760 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7761 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7762 store_c, isync, sync.
7764 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
7766 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7767 filenames to gtyp-gen.h.
7768 (s-typ-gen): Use it in place of for loops.
7770 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
7772 * hooks.c (hook_bool_rtx_int_false): New function.
7773 * hooks.h (hook_bool_rtx_int_false): Declare.
7774 * target-def.h (TARGET_COMMUTATIVE_P): Define.
7775 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7776 * target.h (struct gcc_target): Add commutative_p member.
7777 * targhooks.c (hook_bool_rtx_commutative_p): New function.
7778 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7779 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7780 (pa_commutative_p): New function.
7781 * jump.c (target.h): Include.
7782 (rtx_renumbered_equal_p): Use targetm.commutative_p.
7783 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7785 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7787 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7788 (s390_expand_setmem): New.
7789 * config/s390/s390.c: Likewise.
7790 (print_shift_count_operand): Truncate to 12 bits instead of 6.
7792 * config/s390/s390.md: ("setmem<mode>"): Accept character as
7793 general_operand. Call new function "s390_expand_setmem".
7794 ("clrmem_long", "*clrmem_long"): Rewrite to ...
7795 ("setmem_long", "*setmem_long"): ... this.
7797 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7799 * config/s390/s390.c: (optimization_options): Enable
7800 TARGET_MVCLE at -Os.
7801 * doc/invoke.texi: Document changes in default behaviour.
7802 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7804 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7806 * expr.c: (set_storage_via_setmem): Convert opchar to mode
7807 defined by back-end.
7809 2005-07-07 Jakub Jelinek <jakub@redhat.com>
7811 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7812 all sets in the pattern.
7813 * config/rs6000/rs6000.md (stack_protect_testsi,
7814 stack_protect_testdi): Likewise.
7816 2005-07-06 Jeff Law <law@redhat.com>
7818 * tree-vrp.c (simplify_using_ranges): Kill.
7819 (vrp_finalize): Remove call to simplify_using_ranges.
7820 (simplify_stmt_using_ranges): New function extracted from
7821 simplify_using_ranges.
7822 (simplify_div_or_mod_using_ranges): Likewise.
7823 (simplify_abs_using_ranges): Likewise.
7824 (simplify_cond_using_ranges): New function.
7825 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7826 * tree-ssa-propagate.c (substitute_and_fold): Call
7827 simplify_stmt_using_ranges if we have range information.
7829 2005-07-06 James E. Wilson <wilson@specifixinc.com>
7831 * config/ia64/ia64.c (ia64_reorg): Check optimize before
7832 ia64_flag_schedule_isns2.
7834 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7835 reading/writing general registers.
7836 (ia64_function_arg): Revert 2005-06-18 change.
7838 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
7840 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7841 (legitimize_tls_address): Use gcc_unreachable instead of abort.
7843 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
7845 * function.c (expand_function_end): Revert part of 2005-06-27
7846 patch. Do sjlj_emit_function_exit_after after return_label.
7848 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7850 * doc/install.texi (--disable-libssp): New.
7852 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
7854 * doc/invoke.texi: Update -fforce-mem documentation.
7855 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7856 code for -fforce-mem.
7857 * expmed.c: (store_bit_field,store_fixed_bit_field,
7858 extract_bit_field): Ditto.
7859 * expr.c: (convert_move): Ditto.
7860 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7861 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7862 emit_conditional_add,expand_float,expand_fix): Ditto.
7863 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7864 (common_handle_option): Issue warning when -fforce-mem specified.
7866 2005-07-06 Paul Brook <paul@codesourcery.com>
7868 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7870 * configure: Regenerate.
7872 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
7874 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7876 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
7878 Fix PR tree-optimization/22319
7879 Fix PR tree-optimization/22140
7880 Fix PR tree-optimization/22310
7882 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7883 variable sized types.
7884 Use correct type for intermediate structure on *a = *b structure
7887 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7889 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7891 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7892 (machine_function): Move typedef to...
7893 * config/rs6000/rs6000.c (machine_function): ... here. Add
7894 varargs_save_offset field.
7895 (rs6000_stack_t): Remove varargs_size field.
7896 (setup_incoming_varargs): Allocate varargs save area using
7897 assign_stack_local, try to make it as small as possible.
7898 Save offset from virtual_stack_vars_rtx to the save area
7899 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
7900 instead of magic 8 when fp word byte size is used.
7901 (rs6000_va_start): Use cfun->machine->varargs_save_offset
7902 instead of -RS6000_VARARGS_SIZE.
7903 (rs6000_stack_info, debug_stack_info,
7904 rs6000_initial_elimination_offset): Remove all traces of
7906 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7907 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7908 RS6000_VARARGS_AREA.
7910 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7912 PR tree-optimization/21963
7913 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7914 constant_multiple_of in the same way get_computation_cost_at does.
7916 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7918 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7919 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7920 (gen_compare_reg): If sparc_compare_emitted is set, clear it
7921 and return its previous value.
7922 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7923 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7925 (stack_protect_set, stack_protect_test): New expanders.
7926 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7927 stack_protect_testdi): New insns.
7928 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7929 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7931 2005-07-06 Jeff Law <law@redhat.com>
7933 * tree-ssa-dce.c (cfg_altered): New global.
7934 (tree_dce_init): Initialize cfg_altered.
7935 (remove_dead_stmt): If we remove an edge in the CFG, then set
7937 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7940 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7942 * Makefile.in (stamp-collect-ld): Use
7943 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
7944 ./collect-ld if it already exists.
7945 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7946 Don't remove ./nm if it already exists.
7948 2005-07-05 Devang Patel <dpatel@apple.com>
7950 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7951 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7952 * tree-vectorizer.c (vect_loop_location): New.
7953 (vect_print_dump_info): Use vect_loop_location.
7954 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7955 (vectorize_loops): Set vect_loop_location.
7956 * tree-vect-analyze.c (vect_analyze_offset_expr,
7957 vect_determin_vectorization_factor, vect_analyze_operations,
7958 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7959 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7960 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7961 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7962 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7963 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7964 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7965 vect_analyze_loop): Adjust vect_print_dump_info API.
7966 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7967 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7968 vect_finish_stmt_generation, vectorizable_assignment,
7969 vectorizable_operation, vectorizable_store, vectorizable_load,
7970 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7971 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7972 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7973 vect_transform_loop): Same.
7974 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7975 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7978 2005-07-05 Randolph Chung <tausq@debian.org>
7980 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7981 * configure: Regenerate.
7982 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7983 (pa_tls_referenced_p): Declare.
7984 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7985 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7986 (legitimize_tls_address): New.
7987 (hppa_legitimize_address): Handle TLS addresses.
7988 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7989 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7990 (emit_move_sequence): Handle TLS addresses.
7991 (pa_encode_section_info): Call default handler to handle common
7993 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7994 (CONSTANT_ADDRESS_P): Reject TLS operands.
7995 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7996 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7997 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7998 (UNSPEC_TLSLE): Define new constants.
7999 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8000 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8001 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8002 (tie_symbolic_operand, tle_symbolic_operand): New
8004 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8006 * aclocal.m4: Update macros for autoconf 2.59 style.
8007 * configure.ac: Likewise.
8009 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8011 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8012 (function_arg): Pass small aggregates in general registers on 32-bit
8014 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8016 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8018 * Makefile.in (final.o): Fix dependencies.
8020 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8024 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8025 * langhooks.c (lhd_expr_to_decl): New.
8026 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8028 (LANG_HOOKS_INITIALIZER): Update.
8029 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8030 expr_to_decl langhook.
8031 * c-tree.h (c_expr_to_decl): Declare.
8032 * c-typeck.c (c_expr_to_decl): New.
8033 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8035 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8037 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8040 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8041 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8043 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8045 * Makefile.in: Adjust dependencies.
8046 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8047 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8048 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8049 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8050 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8051 rest_of_compilation.
8053 * bb-reorder.c (gate_duplicate_computed_gotos,
8054 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8055 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8056 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8057 pass_partition_blocks): New.
8058 * bt-load.c (gate_handle_branch_target_load_optimize,
8059 rest_of_handle_branch_target_load_optimize,
8060 pass_branch_target_load_optimize): New.
8061 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8063 * cfglayout.c (pass_insn_locators_initialize): New.
8064 * cfgrtl.c (pass_free_cfg): New.
8065 * combine.c (gate_handle_combine, rest_of_handle_combine,
8067 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8068 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8069 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8070 * except.c (pass_set_nothrow_function_flags,
8071 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8073 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8074 rest_of_handle_shorten_branches, pass_shorten_branches,
8075 rest_of_clean_state, pass_clean_state): New.
8076 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8077 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8078 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8080 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8081 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8082 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8083 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8085 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8086 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8087 pass_rtl_ifcvt, gate_handle_if_after_combine,
8088 rest_of_handle_if_after_combine, pass_if_after_combine,
8089 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8090 pass_if_after_reload): New.
8091 * integrate.c (pass_initial_value_sets): New.
8092 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8093 pass_purge_lineno_notes): New.
8094 * mode-switching.c (rest_of_handle_mode_switching,
8095 pass_mode_switching): New.
8096 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8097 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8099 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8100 pass_loop_optimize): New.
8101 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8103 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8105 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8106 pass_postreload_cse): New.
8107 * profile.c (gate_handle_profiling, pass_profiling,
8108 rest_of_handle_branch_prob, pass_branch_prob): New.
8109 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8110 pass_split_before_regstack, gate_handle_split_before_regstack,
8111 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8112 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8113 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8114 pass_stack_regs): New.
8115 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8116 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8117 pass_stack_adjustments): New.
8118 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8119 pass_regrename): New.
8120 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8121 pass_delay_slots, gate_handle_machine_reorg,
8122 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8123 * rtl.h (extern void purge_line_number_notes): New.
8124 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8125 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8127 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8129 * value-prof.c (gate_handle_value_profile_transformations,
8130 rest_of_handle_value_profile_transformations,
8131 pass_value_profile_transformations): New.
8132 * var-tracking.c (gate_handle_var_tracking,
8133 pass_variable_tracking): New.
8134 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8136 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8137 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8138 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8139 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8140 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8141 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8142 rest_of_handle_gcse2, rest_of_handle_regmove,
8143 rest_of_handle_tracer, rest_of_handle_if_conversion,
8144 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8145 rest_of_handle_web, rest_of_handle_branch_prob,
8146 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8147 rest_of_handle_jump_bypass, rest_of_handle_combine,
8148 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8149 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8150 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8151 rest_of_handle_mode_switching, rest_of_handle_jump,
8152 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8153 rest_of_handle_flow2, rest_of_handle_jump2,
8154 rest_of_handle_peephole2, rest_of_handle_postreload,
8155 rest_of_handle_shorten_branches, rest_of_clean_state,
8156 rest_of_compilation): Remove.
8158 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8159 * passes.c (dump_flags, in_gimple_form, all_passes,
8160 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8161 register_dump_files, next_pass_1, last_verified, execute_todo,
8162 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8163 from tree-optimize.c.
8164 (init_optimization_passes): Moved from tree-optimize.c,
8165 adding the RTL optimizations.
8166 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8167 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8168 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8169 register_dump_files, next_pass_1, last_verified, execute_todo,
8170 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8171 init_tree_optimization_passes, ipa_passes): Delete.
8172 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8174 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8175 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8177 (ipa_passes): Remove.
8178 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8179 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8180 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8181 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8182 (dump_info_p, dump_flag): Moved to tree-dump.h.
8184 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8186 * passes.c (finish_optimization_passes): Use dump_begin
8187 and dump_end, TDI_end.
8188 (gate_rest_of_compilation): New.
8189 (pass_rest_of_compilation): Use it.
8190 (gate_postreload, pass_postreload): New.
8191 * toplev.c (general_init): Rename init_tree_optimization_passes.
8192 * toplev.h (init_tree_optimization_passes): Rename to
8193 init_optimizations_passes.
8194 * tree-dump.c (dump_flag): Make static.
8195 (dump_files): Remove RTL dumps.
8196 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8197 pass_cleanup_cfg, pass_free_cfg_annotations,
8198 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8199 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8200 * tree-pretty-print.c: Include tree-pass.h.
8201 * cgraph.c: Include tree-dump.h.
8203 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8205 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8206 Only fall back to saying it points to readonly memory if
8209 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8211 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8212 * config/m32r/m32r.c (m32r_compute_frame_size,
8213 m32r_expand_prologue): Take current_function_profile into
8214 account whenever we reference
8215 current_function_uses_pic_offset_table.
8216 (m32r_finalize_pic): Remove.
8217 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8219 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8221 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8222 instead of $<. Don't remove ./as if it already exists.
8224 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8227 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8228 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8229 for complex modes when generating code for PA 1.0.
8230 (VALID_FP_MODE_P): New macro.
8231 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8232 sets for all general and floating point modes. Align wide floating
8233 point modes to even register boundaries to comply with architectural
8235 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8236 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8237 (VALID_FP_MODE_P): New macro.
8238 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8239 sets for all general and floating point modes. Align wide floating
8240 point modes to even register boundaries to comply with architectural
8243 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8245 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8248 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8250 * tree-ssa-structalias.c: Don't include expr.h.
8252 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8254 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8257 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8259 Fix PR tree-optimization/22279
8261 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8264 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8266 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8268 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8270 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8271 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8272 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8273 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8274 config/stormy16/stormy16.c, config/v850/v850.c,
8275 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8276 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8277 Avoid "." or "\n" at end of diagnostics and capital letters at
8278 start of diagnostics.
8279 * combine.c, cse.c: Don't translate dump file output.
8280 * toplev.c (print_version): Only translate output if going to
8283 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8285 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8286 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8289 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8291 * pa.c (fix_range): Fix typo in comment.
8293 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8295 * tree-vrp.c (extract_range_from_assert): Replace
8296 fold (build (...)) with fold_build2.
8298 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8300 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8301 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8302 (format_types_orig, handle_format_attribute): Add support for
8305 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8307 * varasm.c (assemble_variable): Fix format specifier thinko.
8309 2005-07-03 Ira Rosen <irar@il.ibm.com>
8311 PR tree-optimization/22029 (and 22135)
8312 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8313 a phi node before calling dump_vops.
8315 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8317 * tree-dump.h (dump_string_field): Declare.
8318 * tree-dump.c: Use it instead of dump_string.
8319 (dump_string_field): Make non-static.
8321 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8323 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8324 up the minimal CFG stuff always when optimize > 0. Call
8325 split_all_insns_noflow in PIC case if needed.
8327 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8328 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8331 * c-decl.c (c_write_global_declarations): Dump contents of
8333 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8334 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8335 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8336 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8339 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8341 * c-common.h (GCC_DIAG_STYLE): Define.
8342 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8343 version for format checking to 4.1.
8344 * c-format.c: Include toplev.h after c-common.h.
8345 (enum format_type): Add gcc_tdiag_format_type.
8346 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8347 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8348 (format_types_orig): Add gcc_tdiag.
8349 (init_dynamic_diag_info): Support gcc_tdiag formats.
8350 (handle_format_attribute): Likewise.
8351 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8352 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8353 version for format checking to 4.1.
8354 (warning0, warning, error, pedwarn, sorry): Use
8356 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8357 (finish_aliases_1): Do not use %qE.
8358 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8359 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8360 Correct format bugs.
8361 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8362 parameter to unsigned HOST_WIDE_INT.
8363 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8365 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8368 * expr.c (write_complex_part): Use adjust_address for MEM.
8369 (read_complex_part): Same.
8371 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8373 Fix PR tree-optimization/22280
8375 * tree-sra.c (generate_element_init): Remove useless loop.
8377 2005-07-02 Richard Henderson <rth@redhat.com>
8379 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8381 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8383 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8386 * fold-const.c (fold_binary): Handle the return value of
8387 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8388 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8390 2005-07-02 Jeff Law <law@redhat.com>
8392 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8393 a eliminate type conversion which feeds an equality comparison
8394 if the original type or either operand in the comparison is a
8397 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8399 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8400 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8402 * config/avr/avr.c: Do not use '`' as left quote.
8403 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8404 Remove "." from end of diagnostics. Make diagnostics start with
8407 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8408 Joseph S. Myers <joseph@codesourcery.com>
8410 * toplev.c (default_tree_printer): Handle setting location with
8412 * c-objc.common.c (c_tree_printer): Likewise.
8413 * c-format.c (gcc_diag_flag_specs): Add '+'.
8414 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8415 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8417 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8418 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8419 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8420 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8421 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8422 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8423 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8424 format arguments where %J is used without %D.
8426 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8428 * gcc.c (LINK_SSP_SPEC): Define.
8429 (link_ssp_spec): New variable.
8430 (LINK_COMMAND_SPEC): Add %(link_ssp).
8431 (static_specs): Add link_ssp_spec.
8432 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8433 * configure: Rebuilt.
8434 * config.in: Rebuilt.
8436 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8437 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8438 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8439 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8440 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8441 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8442 -0x7008(2) instead of reading __stack_chk_guard variable.
8443 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8445 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8446 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8447 if TARGET_THREAD_SSP_OFFSET is defined.
8448 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8449 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8452 2005-06-27 Richard Henderson <rth@redhat.com>
8453 * libgcc-std.ver (GCC_4.1.0): New.
8454 * libgcc.h (__stack_chk_guard): Declare.
8455 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8456 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8457 * mklibgcc.in (lib2funcs): Add them.
8459 2005-07-01 Richard Henderson <rth@redhat.com>
8461 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8462 void * before struct sigcontext *.
8463 (x86_fallback_frame_state): Likewise.
8465 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8467 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8469 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8472 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8473 we check for SSA_NAME for.
8475 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8477 Fix PR tree-optimization/22071
8479 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8481 (get_constraint_for_component_ref): Use it.
8483 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8486 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8487 print out the last new line.
8489 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8491 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8492 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8493 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8494 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8495 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8496 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8497 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8498 (enum reg_class): New member CC0_REGS.
8499 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8500 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8501 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8502 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8503 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8504 Adjust for register now described.
8506 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8509 * config/i386/i386.md (stack_protect_test_si,
8510 stack_protect_test_di): Add earlyclobber for scratch 3.
8511 * config/rs6000/rs6000.md (stack_protect_testsi,
8512 stack_protect_testdi): Add earlyclobber for scratch 3,
8513 remove earlyclobber from scratch 4.
8515 Older entries for 2005 can be found in ChangeLog-2005.