1 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7 * doc/contrib.texi: Add my entry.
9 2006-09-15 Nick Clifton <nickc@redhat.com>
11 * doc/md.texi (Processor pipeline description): Fix typo in
12 example of how to use the absence_set directive and reword the
13 description to make it slightly easier to read.
15 2005-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
17 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
18 * loop-doloop.c (doloop_optimize): Use it to limit costs of
19 expanding the number of iterations.
20 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
22 * cfgrtl.c (emit_insn_at_entry): New function.
23 * rtl.h (emit_insn_at_entry): Declare it.
24 * integrate.c (emit_initial_value_sets): Use it.
26 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
28 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
30 (struct loop_work and related VEC declarations): Delete.
31 (bfin_dump_loops): Print out new member bad.
32 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
33 (bfin_scan_loop): Don't recurse.
34 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
35 loops. No longer need to update outer loops if the current one is
36 found bad. Move some validitiy checks to bfin_discover_loop.
37 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
38 but changed not to check for nesting. Also changed to use the new bad
40 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
41 time. Use bitmap based test to discover loop nesting.
43 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
45 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
48 2006-09-14 Richard Guenther <rguenther@suse.de>
49 Kazu Hirata <kazu@codesourcery.com>
52 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
53 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
54 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
55 with TARGET_FUNCTION_VALUE.
57 2006-09-14 Anatoly Sokolov <aesok@post.ru>
60 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
62 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
64 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
67 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
70 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
73 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
75 * basic_block.h (bb_has_eh_pred): Fix comment.
77 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
79 * flow.c (calculate_global_regs_live): Invalidate eh registers
80 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
81 (propagate_block): Handle eh registers as if they were set at basic
83 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
85 * global.c (global_conflicts): Make eh registers to conflict with
86 pseudos live at basic block begin.
87 * basic_block.h (bb_has_eh_pred): New function.
89 2006-09-13 Richard Sandiford <richard@codesourcery.com>
91 PR rtl-optimization/28982
92 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
93 index of a PRE_MODIFY or POST_MODIFY address.
94 * reload1.c (inc_for_reload): Use find_replacement on the original
95 base and index registers.
97 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
99 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
100 for -Os. Update __m128 alignment requirement.
102 2006-09-13 Jan Hubicka <jh@suse.cz>
104 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
106 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
108 PR rtl-optimization/28243
109 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
110 the insn to which the note was originally attached.
112 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
113 Roger Sayle <roger@eyesopen.com>
115 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
116 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
117 on platforms that don't use dwarf for debug info.
119 2006-09-12 Jason Merrill <jason@redhat.com>
122 * builtins.c (expand_builtin_setjmp_receiver): Clobber
123 hard_frame_pointer_rtx after using it to update the frame pointer.
125 2006-09-12 Roger Sayle <roger@eyesopen.com>
127 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
128 (TARGET_ASM_CLOSE_PAREN): Likewise.
129 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
130 (TARGET_ASM_CLOSE_PAREN): Likewise.
132 2006-09-12 Roger Sayle <roger@eyesopen.com>
135 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
136 frame information for frames larger than 512 Kbytes on Tru64 when
137 using the native assembler.
139 2006-09-12 Roger Sayle <roger@eyesopen.com>
143 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
144 and symbols. Instead use the implementation from cse.c's hash_rtx.
146 2006-09-12 Jan Hubicka <jh@suse.cz>
148 PR rtl-optimization/28071
149 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
150 (vect_transform_loop): Likewise.
151 * tree-vectorizer.c (new_loop_vec_info): Likewise.
152 (new_loop_vec_info): Likewise.
153 (destroy_loop_vec_info): Likewise.
154 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
155 (create_stmt_ann): Likewise.
156 (create_tree_ann): Rename to ...
157 (create_tree_common_ann): ... this one; allocate only the common part
159 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
160 (get_value_handle): Likewise.
161 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
163 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
164 (vinfo_for_stmt): Use stmt annotations.
165 * tree-flow.h (tree_ann_common_t): New type.
166 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
167 (tree_ann, get_tree_ann, create_tree_ann): New.
168 * tree-flow-inline.h (get_function_ann): Do more type checking.
169 (stmt_ann): Likewise.
170 (tree_ann): Rename to ...
171 (tree_common_ann): ... this one; return ony common_ann
172 (get_tree_ann): Rename to ...
173 (tree_common_ann): This one; return only common_ann.
174 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
177 2006-09-11 Geoffrey Keating <geoffk@apple.com>
179 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
182 * dwarf2out.c (dwarf_file_data): New.
183 (enum dw_val_class): Add dw_val_class_file.
184 (struct dw_val_struct): Add val_file.
185 (file_table): Change to a hash table.
186 (file_table_emitted): Delete.
187 (file_table_last_lookup_index): Delete.
189 (last_emitted_file): New.
190 (lookup_filename): Change prototype to return a struct dwarf_file_data.
191 (init_file_table): Delete.
192 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
193 (AT_addr): Add comment.
197 (print_die): Handle dw_val_class_file.
198 (print_dwarf_line_table): Update for new file table structure.
199 (attr_checksum): Do checksum a filename.
200 (same_dw_val_p, same_attr_p): Do compare a filename.
201 (size_of_die): Handle dw_val_class_file.
202 (value_format): Likewise.
203 (output_die): Likewise. Also, call maybe_emit_file here.
204 (struct file_info): Constify filenames. Make file_idx a pointer
205 to a struct dwarf_file_data.
206 (struct dir_info): Constify directory names. Remove 'used' field.
207 (struct file_name_acquire_data): New.
208 (file_name_acquire): New.
209 (output_file_names): Modify to handle new file data structures.
210 (add_src_coords_attributes): Use add_AT_file.
211 (add_call_src_coords_attributes): Likewise.
212 (dwarf2out_imported_module_or_decl): Likewise.
213 (gen_subprogram_die): Modify for new file data structures.
214 (gen_variable_die): Likewise.
215 (file_table_eq): New.
216 (file_table_hash): New.
217 (file_table_last_lookup): New.
218 (lookup_filename): Rewrite to handle new file data structures.
219 (maybe_emit_file): Rewrite to handle new file data structures.
220 (dwarf2out_source_line): Always call lookup_filename and
222 (dwarf2out_init): Create file_table here.
223 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
224 (file_table_relative_p): New.
225 (dwarf2out_finish): Change detection of relative filenames
226 to work with new file data structures. Move output_line_info call
227 after debug_info output.
229 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
234 * config/i386/i386.c (override_options): Always default to 16
237 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
240 * var-tracking.c (dump_dataflow_set): Start dumping at
242 (clobber_variable_part): Kill only the variable part in
243 registers holding it, leaving other variables alone.
245 2006-09-11 Josh Triplett <josh@freedesktop.org>
247 * doc/extend.texi (Other Builtins): Actually use the macro
248 argument in the documentation example for
249 __builtin_types_compatible_p.
251 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
253 PR rtl-optimization/28726
254 * sched-deps.c (sched_analyze_reg): New function extracted from...
255 (sched_analyze_1): ...here. Call it to analyze references to
256 registers. Treat again writes to a stack register as writing to the
258 (sched_analyze_2): ...and here. Call it to analyze references to
259 registers. Treat again reads of a stack register as reading the
262 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
263 David Edelsohn <edelsohn@gnu.org>
266 * config/rs6000/spe.md (frob_df_di): Remove %H.
267 (frob_di_df): Remove %H. Change evmergelo to mr.
268 (frob_di_df_2): Remove %H. Change evldd to two loads.
270 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
272 * doc/cpp.texi: Fix names of charset options.
274 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
277 * config/i386/i386.c (override_options): Use 128-bit
278 stack boundary always for 64bits.
280 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
282 PR rtl-optimization/28636
283 * combine.c (force_to_mode): Test for side-effects before
284 substituting by zero.
285 (simplify_shift_const): Likewise for zero or other constants.
287 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
290 * builtins.c (expand_builtin_setjmp): Force next_lab to be
293 2006-09-10 Richard Sandiford <richard@codesourcery.com>
296 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
297 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
298 returned by mode_for_size, rather than the mode of src itself,
299 to choose between 32-bit and 64-bit patterns.
300 (mips_mem_fits_mode_p): New function.
301 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
302 that the size of the source matches the size of the destination.
303 (mov_<store>l, mov_<store>r): Likewise.
305 2006-09-10 Eric Christopher <echristo@apple.com>
307 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
310 2006-09-09 Eric Christopher <echristo@apple.com>
313 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
316 2006-09-09 Roger Sayle <roger@eyesopen.com>
317 Nicolas Setton <setton@adacore.com>
319 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
321 2006-09-10 Andreas Schwab <schwab@suse.de>
323 * config/m68k/m68k.md (bungt_rev): New pattern.
325 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
326 Dale Johannesen <dalej@apple.com>
329 * regclass.c (struct reg_pref): Update documentation.
330 (regclass): Set prefclass to NO_REGS if memory is the best option.
331 (record_reg_classes): Cope with a prefclass set to NO_REGS.
333 2006-09-08 Eric Christopher <echristo@apple.com>
335 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
336 * config/t-slibgcc-darwin: Support x86_64 multilib.
337 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
338 Return 1 for x86_64-darwin.
339 * config/i386/t-darwin: Add m64 multilib.
340 (LIB2_SIDITI_CONV_FUNCS): Use.
341 (LIB2FUNCS_EXTRA): Ditto.
342 * config/i386/darwin.h: Support x86_64.
343 * config/i386/i386.c (override_options): Turn on flag_pic
344 for x86_64-darwin. Disable flag_omit_pointer.
345 (get_pc_thunk_name): Assert !TARGET_64BIT.
346 (legitimate_address_p): Disable machopic addressing for
348 (legitimize_pic_address): Ditto.
349 (ix86_expand_move): Ditto.
350 (ix86_expand_call): Ditto.
351 (machopic_output_stub): Ditto.
352 * config/darwin.c (machopic_select_section): Support literal16.
353 (machopic_select_rtx_section): Ditto.
354 * config/darwin-sections.def: Ditto.
355 * config/darwin-64.c: New.
357 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
360 * c-tree.h (struct c_arg_info): Add pending_sizes.
361 * c-parser.c (c_parser_parms_declarator,
362 c_parser_parms_list_declarator): Initialize pending_sizes.
363 * c-decl.c (get_parm_info): Initialize pending_sizes.
364 (get_parm_info): Set pending_sizes.
365 (grokdeclarator): Call put_pending_sizes for parameters for
366 function definition only.
368 2006-09-07 Jason Merrill <jason@redhat.com>
371 * varasm.c (output_constant): Only strip actual no-op conversions.
374 * config/i386/i386.c (override_options): Use 128-bit
375 stack boundary if -msse.
377 2006-09-07 Eric Christopher <echristo@apple.com>
379 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
381 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
384 2006-09-07 Geoffrey Keating <geoffk@apple.com>
386 * dwarf2out.c: Remove strange characters from comment above
387 dwarf2out_frame_debug_expr.
389 2006-09-07 Eric Christopher <echristo@apple.com>
391 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
392 * config/darwin.h: ... to here.
394 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
396 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
398 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
399 (TARGET_PARTIAL_FLAG_REG_STALL): New.
401 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
402 TARGET_PARTIAL_FLAG_REG_STALL.
403 (*ashldi3_cconly_rex64): Likewise.
404 (*ashlsi3_cmp): Likewise.
405 (*ashlsi3_cconly): Likewise.
406 (*ashlsi3_cmp_zext): Likewise.
407 (*ashlhi3_cmp): Likewise.
408 (*ashlhi3_cconly): Likewise.
409 (*ashlqi3_cmp): Likewise.
410 (*ashlqi3_cconly): Likewise.
411 (*ashrdi3_cmp_rex64): Likewise.
412 (*ashrdi3_cconly_rex64): Likewise.
413 (*ashrsi3_cmp): Likewise.
414 (*ashrsi3_cconly): Likewise.
415 (*ashrsi3_cmp_zext): Likewise.
416 (*ashrhi3_cmp): Likewise.
417 (*ashrhi3_cconly): Likewise.
418 (*ashrqi3_cmp): Likewise.
419 (*ashrqi3_cconly): Likewise.
420 (*lshrdi3_cmp_rex64): Likewise.
421 (*lshrdi3_cconly_rex64): Likewise.
422 (*lshrsi3_cmp): Likewise.
423 (*lshrsi3_cconly): Likewise.
424 (*lshrsi3_cmp_zext): Likewise.
425 (*lshrhi3_cmp): Likewise.
426 (*lshrhi3_cconly): Likewise.
427 (*lshrqi2_cmp): Likewise.
428 (*lshrqi2_cconly): Likewise.
430 2006-09-07 Uros Bizjak <uros@kss-loka.si>
433 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
434 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
435 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
436 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
437 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
438 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
439 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
440 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
441 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
442 implement only CC setting effects of shift instructions.
444 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
446 * doc/contrib.texi: Add myself.
448 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
451 * stor-layout.c (relayout_decl): Don't zero the alignment if it
454 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
457 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
458 (divsi_inv_m1): Use them.
459 (UNSPEC_DIV_INV_TABLE): New constant.
461 2006-09-06 James E Wilson <wilson@specifix.com>
464 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
465 then call count_or_remove_death_notes.
467 2006-09-06 Jason Merrill <jason@redhat.com>
470 * tree-inline.c (copy_result_decl_to_var): New fn.
471 (declare_return_variable): Use it. Call declare_inline_vars here.
472 (expand_call_inline): Not here.
474 2006-09-06 Diego Novillo <dnovillo@redhat.com>
476 * doc/contrib.texi: Update my entry.
478 2006-09-06 Nick Clifton <nickc@redhat.com>
480 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
482 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
485 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
486 (canonicalize_induction_variables): Likewise.
487 (tree_unroll_loops_completely): Likewise.
488 (tree_ssa_prefetch_arrays): Likewise.
489 (remove_empty_loops): Likewise.
490 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
491 TODO_cleanup_cfg instead of directly calling
492 cleanup_tree_cfg_loop.
493 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
495 (tree_unroll_loops_completely): Likewise.
496 (remove_empty_loops): Likewise.
497 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
498 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
499 of tree_ssa_unswitch_loops.
500 (tree_ssa_loop_ivcanon): Use the return value of
501 canonicalize_induction_variables.
502 (tree_ssa_empty_loop): Use the return value of
504 (tree_complete_unroll): Use the return value of
505 tree_unroll_loops_completely.
506 (tree_ssa_loop_prefetch): Use the return value of
507 tree_ssa_prefetch_arrays.
508 * passes.c (execute_todo): Before Cleanup CFG, set
509 updating_used_alone and after cleanup CFG, call
510 recalculate_used_alone.
512 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
515 * tree-vect-transform.c (vectorizable_condition): Move the check
516 for the type after the check for simple condition.
518 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
519 Kaz Kojima <kkojima@gcc.gnu.org>
522 * mode-switching.c (optimize_mode_switching): Make the destination
523 block of an abnormal edge have no anticipatable mode. Don't
524 insert mode switching code at the end of the source block of
527 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
529 PR rtl-optimization/26847
530 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
531 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
532 (simplify_plus_minus): Count n_constants while filling ops. Replace
533 qsort with insertion sort. Before going through the array to simplify
534 pairs, sort it. Delay early exit until after the first sort, exiting
535 only if no swaps occurred. Simplify pairs in reversed order, without
536 special-casing the first iteration. Pack ops after simplifying pairs.
538 2006-09-05 Anatoly Sokolov <aesok@post.ru>
540 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
541 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
542 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
543 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
545 2006-09-05 Richard Guenther <rguenther@suse.de>
547 PR tree-optimization/28900
548 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
549 compound conditional before creating COND_EXPR condition.
551 2006-09-05 Richard Guenther <rguenther@suse.de>
553 PR tree-optimization/28905
554 * tree-vrp.c (fix_equivalence_set): Manually implement
555 !value_ranges_intersect_p to also handle symbolic ranges.
557 2006-09-05 Richard Guenther <rguenther@suse.de>
560 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
563 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
565 PR rtl-optimization/27616
566 * cse.c (table_size): New static variable.
567 (new_basic_block): Initialize it to 0.
568 (remove_from_table): Decrement it.
569 (insert): Increment it.
570 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
571 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
572 fold_rtx_mem_1 if under the cap.
573 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
574 the lookup of the equivalent expression and test for equality of the
575 first operand of the equivalent expression before in turn looking up
576 an equivalent constant for the second operand.
578 2006-09-02 Geoffrey Keating <geoffk@apple.com>
581 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
582 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
583 pointer, instead of assuming it is possible to derive the
584 correct args size from a call insn.
586 2006-09-02 Jakub Jelinek <jakub@redhat.com>
589 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
590 (fold_builtin_mempcpy): Rename to...
591 (fold_builtin_memory_op): ... this. Optimize one element copy
593 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
595 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
596 (expand_builtin_memcpy, expand_builtin_mempcpy,
597 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
598 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
599 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
600 BUILT_IN_MEM{CPY,PCPY,MOVE}.
602 2006-09-01 DJ Delorie <dj@redhat.com>
604 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
606 ("stzx_24_<mode>"): Likewise.
607 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
608 ("cmp<mode>_op"): New.
609 (cmp<mode>): Change to expander; just save operands.
611 (b<code>): Change to expander, emit compare here.
612 (s<code>_op): Change to use split and expander.
613 (s<code>_24_op): Likewise.
614 (s<code>_<mode>): New.
615 (s<code>_<mode>_24): New.
616 (movqicc_<code>_<mode): New.
617 (movhicc_<code>_<mode>): New.
620 * config/m32c/m32c.c (compare_op0, compare_op1): New.
621 (m32c_pend_compare): New.
622 (m32c_unpend_compare): New.
623 (m32c_expand_scc): New.
624 (m32c_expand_movcc): Emit the compare also.
625 * config/m32c/predicates.md (mra_nopp_operand): New.
627 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
628 Richard Guenther <rguenther@suse.de>
629 Adam Nemet <anemet@caviumnetworks.com>
632 * builtins.c (get_pointer_alignment): Handle more forms
633 of base addresses that can be used to derive more precise
634 information about alignment.
636 2006-09-01 Jason Merrill <jason@redhat.com>
639 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
642 * gimplify.c (voidify_wrapper_expr): Handle null type.
644 2006-09-01 Josh Conner <jconner@apple.com>
647 * tree-nrv.c (dest_safe_for_nrv_p): New function.
648 (execute_return_slot_opt): Use it.
650 2006-08-31 Josh Conner <jconner@apple.com>
653 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
654 returning aggregates.
656 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
658 PR tree-optimization/28839
659 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
660 blocks in that phi arguments appear.
662 2006-08-31 Roger Sayle <roger@eyesopen.com>
665 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
666 NULL, otherwise use an advance_loc4 to adjust relative to the
668 (output_cfi) <DW_CFA_set_loc>: Update the current label.
669 (dwarf2out_switch_text_section): Reset the current label to avoid
670 using advance_loc4 over section boundaries.
672 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
675 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
676 r12 + SYMBOLIC_CONST.
678 2006-08-30 Richard Guenther <rguenther@suse.de>
680 * Makefile.in (see.o): Add $(EXPR_H) dependency.
682 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
684 PR rtl-optimization/27735
685 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
686 Add new argument to keep track of whether an irreducible region
687 was affected. All callers changed.
688 (fix_irreducible_loops): Removed.
689 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
690 flags were invalidated.
692 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
694 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
695 instead of SF operands.
696 (*fop_df_comm_sse): Likewise.
697 (*fop_df_comm_i387): Likewise.
698 (*fop_df_1_mixed): Likewise.
699 (*fop_df_1_sse): Likewise.
701 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
702 J"orn Rennecke <joern.rennecke@st.com>
704 PR tree-optimization/17506
705 * tree-ssa.c (warn_uninit): If warning about a location outside of
706 the current function, note where the variable was declared.
708 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
710 PR tree-optimization/28411
711 * double-int.c (double_int_div): Use double_int_divmod.
712 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
713 double_int_mod, double_int_smod, double_int_umod): New functions.
714 * double-int.h (double_int_divmod, double_int_sdivmod,
715 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
717 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
719 (get_computation_aff, get_computation_cost_at): Handle double_int
720 return type of constant_multiple_of.
722 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
725 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
726 an implicit conversion.
728 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
730 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
732 2006-08-27 Roger Sayle <roger@eyesopen.com>
734 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
737 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
739 * config/i386/crtfastmath.c: Fix a comment typo.
741 2006-08-26 Roger Sayle <roger@eyesopen.com>
743 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
744 temporary visit flags on CASE_LABEL_EXPRs.
745 * c-common.c (match_case_to_enum): Add function comment. Avoid
746 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
747 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
748 CASE_HIGH_SEEN for enumerated types. If the switch expression is
749 a constant, only warn if that constant value isn't handled.
751 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
754 * input.h (restore_input_file_stack): Declare.
755 (INPUT_FILE_STACK_BITS): Define.
756 * toplev.c (fs_p, input_file_stack_history,
757 input_file_stack_restored, restore_input_file_stack): New.
758 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
759 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
760 (pop_srcloc): Don't free old state of stack.
762 2006-08-26 David Edelsohn <edelsohn@gnu.org>
765 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
766 (PowerPC Type Attributes): New.
768 2006-08-26 Bob Wilson <bob.wilson@acm.org>
770 * config/xtensa/xtensa.c (function_arg_boundary): New.
771 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
773 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
774 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
776 2006-08-26 Jakub Jelinek <jakub@redhat.com>
779 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
782 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
784 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
785 (verify_local_live_at_start): Likewise.
787 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
790 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
791 omp_add_variable): Treat sizes as variable whenever not
794 2006-08-26 Richard Guenther <rguenther@suse.de>
797 * fold-const.c (fold_binary): Fold temporary to correct
798 type before constructing new comparison.
800 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
803 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
804 variable again if DECL_SEEN_IN_BIND_EXPR_P.
806 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
809 * c-decl.c (start_function): Don't try to process prototype
810 information from old declaration that isn't a function.
812 2006-08-25 Jan Hubicka <jh@suse.cz>
815 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
817 2006-08-25 Alan Modra <amodra@bigpond.net.au>
820 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
823 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
825 PR tree-optimization/16876
826 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
827 exit if PARM doesn't match VALUE.
829 2006-08-25 Bob Wilson <bob.wilson@acm.org>
831 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
832 literal_prefix directive.
833 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
834 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
835 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
837 2006-08-25 David Edelsohn <edelsohn@gnu.org>
840 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
841 predicate to general_operand. Add 0->y and I->r alternatives.
843 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
845 * doc/tm.texi: Fix a typo.
846 * predict.c: Fix comment typos.
848 2006-08-25 Nick Clifton <nickc@redhat.com>
850 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
851 assertions of "cpu" and "machine".
853 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
856 * tree-ssa-operands.c (access_can_touch_variable): Don't say
857 the access through a base which has an alias set of 0 cannot
860 2006-08-24 Bill Wendling <wendling@apple.com>
862 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
864 2006-08-24 Jan Hubicka <jh@suse.cz>
866 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
868 2006-08-24 Jan Hubicka <jh@suse.cz>
871 * cgraph.c: Fix comments.
872 (cgraph_varpool_mark_needed_node): Mark only variables not already
874 * cgraphunit.c: Update comments; include gt-cgraphunit.h
875 (cgraph_varpool_assembled_nodes_queue): New static variable.
876 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
877 (cgraph_varpool_output_debug_info): New function.
878 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
879 * Makefile.in: Add gt-cgraphunit.h
881 2006-08-24 Jan Hubicka <jh@suse.cz>
883 * predict.c (probability_reliable_p): New predicate.
884 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
885 (predict_loops): Do not predict loop exit with less than 2%
887 * basic-block.h (edge_probability_reliable_p,
888 br_prob_note_reliable_p): Declare.
889 * ia64.h (ia64_print_operand): Do not disable on-chip branch
890 prediction when static predictor is not reliable.
891 * rs6000.c (output_cbranch): Likewise.
893 2006-08-23 Stuart Hastings <stuart@apple.com>
896 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
897 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
899 2006-08-21 Geoffrey Keating <geoffk@apple.com>
902 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
903 complex values, nor for generic vector values.
905 2006-08-22 Richard Guenther <rguenther@suse.de>
908 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
909 parameter. Convert arguments to arithmetic expression to the
911 (analyze_scalar_evolution_1): Adjust caller.
913 2006-08-22 Jan Hubicka <jh@suse.cz>
915 Patch by Paolo Bonzini
916 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
919 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
921 PR tree-optimization/28003
922 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
923 before grouping aliases.
925 2006-08-22 Roger Sayle <roger@eyesopen.com>
927 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
928 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
930 2006-08-21 Jason Merrill <jason@redhat.com>
933 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
934 wrapper. Loop to handle nested wrappers.
935 (gimplify_bind_expr): Remove temp parameter.
936 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
937 and STATEMENT_LIST on the rhs.
938 (gimplify_statement_list): Voidify the STATEMENT_LIST.
939 (gimplify_expr): Pass pre_p to gimplify_statement_list.
940 (gimplify_target_expr): Remove special BIND_EXPR handling.
942 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
944 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
947 2006-08-21 Olivier Hainque <hainque@adacore.com>
949 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
950 Arrange for the temporary captures of components overlapping the lhs
951 to happen before the lhs is possibly cleared.
953 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
955 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
956 necessary places to pass the correct "number of registers" values
959 2006-08-20 Jan Hubicka <jh@suse.cz>
961 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
962 (create_name_tags): Instead of quadratic checking use hashtable.
963 * bitmap.h: Include hashtab.h.
964 (bitmap_hash): Declare.
965 * bitmap.c (bitmap_hash): New function.
967 2006-08-20 Jan Hubicka <jh@suse.cz>
969 PR rtl-optimization/28071
970 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
972 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
973 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
974 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
975 cgraph_decide_inlining_incrementally): Update use of
976 cgraph_check_inline_limits.
977 * cgraph.c (edge_hash, edge_eq): New function.
978 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
979 cgraph_edge_remove_caller, cgraph_node_remove_callees,
980 cgraph_remove_node): Maintain call site hash.
981 * cgraph.h (struct cgraph_node): Add call_site_hash.
982 (cgraph_set_call_stmt): New function.
984 2006-08-20 Jan Hubicka <jh@suse.cz>
986 PR rtl-optimization/28071
987 * reload1.c (reg_has_output_reload): Turn into regset.
988 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
989 choose_reload_regs, emit_reload_insns): Update to new
990 reg_has_output_reload.
992 2006-08-20 Jan Hubicka <jh@suse.cz>
995 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
997 * cgraphunit.c (cgraph_analyze_function): Don't do so.
999 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1002 * tree.c (handle_dll_attribute): Return early if not a
1003 var or function decl.
1005 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1008 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1009 alignment of SPE vector types.
1011 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1013 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1015 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1018 * cgraph.h (struct cgraph_node): Remove externally_visible
1020 * cgraphunit.c (process_function_and_variable_attributes): Set
1021 local.externally_visible rather than externally_visible.
1024 * c-common.c (handle_externally_visible_attribute): First look
1025 at TREE_CODE and only if it is function or var decl, check for
1026 non-public objects. Don't warn for DECL_EXTERNAL.
1027 * cgraphunit.c (process_function_and_variable_attributes): Warn
1028 if externally_visible attribute is used on non-public object.
1030 2006-08-17 Jan Hubicka <jh@suse.cz>
1032 PR tree-optimization/27865
1033 * reload1.c (forget_marked_reloads): New function.
1034 (forget_old_reloads_1): When data are passed, just mark the registers
1036 (reload_as_needed): Use the new mechanizm.
1038 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1041 * reload.h (reg_equiv_alt_mem_list): New declaration.
1042 * reload1.c (reg_equiv_alt_mem_list): New definition.
1043 (reload): Initialize it and release it.
1044 (delete_output_reload): Use it.
1045 * reload.c (push_reg_equiv_alt_mem): New function.
1046 (find_reloads_toplev): Call it.
1047 (find_reloads_address, find_reloads_address_1): Likewise.
1048 (find_reloads_subreg_address): Likewise.
1050 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1052 PR rtl-optimization/28489
1053 * sched-ebb.c (begin_schedule_ready): Create basic block
1055 (advance_target_bb): Skip empty blocks.
1056 * haifa-sched.c (bb_note): Make global.
1057 * sched-int.h (bb_note): Add prototype.
1059 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1061 PR tree-optimization/27865
1062 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1064 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1065 fold_used_pointer, pointer_used_p): New functions.
1066 (analyze_scalar_evolution_1): Use fold_used_pointer.
1067 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1068 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1071 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1074 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1075 or the INTEGER_CST. Fail on a CALL_EXPR.
1076 (fold_offsetof): Pass new argument to fold_offsetof_1.
1077 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1078 operand into an INDIRECT_REF.
1079 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1081 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1083 PR gcov/profile/26570
1084 * value-prof.c (static_values): Removed.
1085 (tree_find_values_to_profile): Do not set static_values.
1086 (find_values_to_profile): Do not free static_values.
1087 * profile.c (instrument_values): Do not free the values.
1088 (branch_prob): Free the values.
1090 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1092 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1094 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1097 * c-typeck.c (build_component_ref): Combine qualifiers of
1098 structure or union and field.
1100 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1102 PR rtl-optimization/28071
1103 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1104 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1105 * tree-into-ssa.c (struct dom_dfsnum): New.
1106 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1108 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1109 compute_global_livein.
1110 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1111 in phi nodes in the correct blocks.
1113 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1115 PR tree-optimization/28364
1116 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1118 (fold_affine_expr): New function.
1119 (may_eliminate_iv): Use fold_affine_expr.
1121 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1124 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1127 2006-08-16 Mike Stump <mrs@apple.com>
1129 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1130 * doc/cppopts.texi (-MD): Likewise.
1132 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1135 * c-common.c (handle_weak_attribute): Ignore and warn if
1136 not a FUNCTION_ or VAR_DECL.
1138 2006-07-15 Mike Stump <mrs@apple.com>
1141 * c-parser.c (c_parser_typeof_specifier): Don't use
1142 c_finish_expr_stmt, open code desired semantics instead.
1144 2006-08-15 Nick Clifton <nickc@redhat.com>
1146 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1147 fragment to tmake_file only if threads are enabled.
1148 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1149 * config/i386/t-gthr-win32: New file. ... here.
1151 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1154 * c-parser.c (c_parser_compound_statement_nostart): Reset
1155 parser->error after each statement.
1157 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1160 * omp-low.c (lower_omp_parallel): Convert t to
1161 receiver_decl's type.
1162 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1163 source before comparison.
1166 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1167 to itype in assignment to oldival2.
1169 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1173 * c-typeck.c (build_compound_expr): If the second expression
1174 is an error mark, then just return an error mark instead of
1175 creating a COMPOUND_EXPR.
1177 2006-07-14 Mike Stump <mrs@apple.com>
1179 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1181 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1183 * c-decl.c, var-tracking.c: Fix comment typos.
1185 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1187 PR rtl-optimization/28634
1188 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1189 for floating-point modes unless flag_unsafe_math_optimizations.
1191 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1192 Andrew Pinski <pinskia@physics.uc.edu>
1195 * tree.c (build_array_type): Unify array types with
1196 unspecified index_type.
1197 * c-decl.c (grokdeclarator): Make sure we do not modify a
1198 unified incomplete array type.
1199 * c-typeck.c (store_init_value): Create distinct type before
1200 filling in the index type in an initializer from a compound
1203 * c-decl.c (grokdeclarator): Remove code where we copy the
1206 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1208 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1209 into account for TODO_dump_cgraph.
1210 (TODO_update_ssa_no_phi): Likewise.
1211 (TODO_update_ssa_full_phi): Likewise.
1212 (TODO_update_ssa_only_virtuals): Likewise.
1213 (TODO_remove_unused_locals): Likewise.
1214 (TODO_set_props): Likewise.
1215 (TODO_update_stmt_usage): Likewise.
1217 2006-08-13 Dirk Mueller <dmueller@suse.de>
1219 * c-common.c (strict_aliasing_warning): Fix formatting.
1221 2006-08-13 Matthias Klose <doko@debian.org>
1223 * doc/invoke.texi: Fix spelling errors.
1225 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1227 PR rtl-optimization/23454
1228 * reorg.c (relax_delay_slots): Update comment.
1230 2006-08-11 Richard Guenther <rguenther@suse.de>
1233 * simplify-rtx.c (simplify_const_relational_operation):
1234 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1237 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1239 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1240 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1242 2006-08-10 Paul Brook <paul@codesourcery.com>
1244 * final.c (final_scan_insn): Clear current_insn_predicate before
1245 outputting inline asm.
1247 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1249 PR tree-optimization/26197
1250 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1251 get_ref_base_and_extent and overlap_subvar to add only relevant
1252 subvars as may-aliases.
1253 (add_may_alias_for_new_tag): New function, factored out of
1255 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1256 with additional argument.
1257 * tree-flow.h (new_type_alias): Takes additional argument.
1259 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1261 * gcov.c (no_data_file): New flag.
1262 (read_count_file): Set it if data file not present. Assume counts
1264 (output_lines): Don't name the data file, if there wasn't one.
1266 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1268 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1269 (rs6000_generate_compare): Tweak comments.
1270 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1272 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1274 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1275 (var_debug_decl): New function.
1276 (var_reg_set): Follow debug decl link. Add location even if
1277 reg is already known to hold some other variable.
1278 (var_mem_set): Follow debug decl link.
1279 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1280 decl link. Delete other known locations of the variable part
1282 (var_reg_delete, var_mem_delete): Delete other known locations
1283 of the variable part if requested.
1284 (same_variable_part_p): New function.
1285 (add_stores): Select MO_COPY when appropriate.
1286 (vt_initialize): Handle it.
1287 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1288 known locations for MO_SET and MO_CLOBBER.
1289 (find_variable_location_part): New function.
1290 (set_variable_part, delete_variable_part): Use it.
1291 (clobber_variable_part): New function.
1292 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1295 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1297 PR tree-optimization/26969
1298 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1299 with an empty list of PHIs.
1301 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1305 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1308 2006-08-06 Andreas Schwab <schwab@suse.de>
1310 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1311 string. Whitespace and comment fixup.
1313 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1316 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1320 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1323 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1325 2006-08-04 Jan Hubicka <jh@suse.cz>
1329 * reload.c (push_reload): Patch out the mismatching instruction;
1331 (find_reload): Bail out if the instruction was patched out.
1333 2006-08-04 Jan Hubicka <jh@suse.cz>
1335 PR tree-optimization/24888
1336 * tree-inline.c (expand_call_inline): Do not re-record variables.
1337 (declare_inline_vars): Add variable to unexpanded_var_list.
1339 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1340 Roger Sayle <roger@eyesopen.com>
1342 PR rtl-optimization/26244
1343 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1344 inner_const are negative or greater than or equal to the bitsize of
1345 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1346 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1347 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1348 CONST0_RTX (mode) when the new shift count is greater than or equal to
1349 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1352 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1354 * tree-cfg.c: Fix a comment typo.
1356 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1359 * varasm.c (output_constant): Give the front end another chance to
1360 expand constants, after stripping NOPs.
1362 2006-08-03 Jan Hubicka <jh@suse.cz>
1364 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1367 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1369 PR tree-optimization/27770
1370 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1371 declaration removed (moved to tree-flow.h).
1372 (vect_can_force_dr_alignment_p): Likewise.
1373 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1374 (moved from tree-vectorizer.h).
1375 (vect_can_force_dr_alignment_p): Likewise.
1376 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1377 from outside the vectorizer - in particular from cgraph stage.
1378 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1379 the alignment of global arrays when -fsection-anchors is enabled.
1380 * cgraphunit.c (cgraph_increase_alignment): New function.
1381 (cgraph_optimize): Call cgraph_increase_alignment.
1383 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1386 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1387 not reload a SPE symbol_ref into a lo_sum address.
1389 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1392 * dwarf2out.c (prune_unused_types_prune): Move call to
1393 prune_unused_types_update_strings to cover the parent DIE also.
1395 2006-08-02 Jan Hubicka <jh@suse.cz>
1397 PR gcov/profile/28480
1398 * tree-cfg.c (change_bb_for_stmt): New function.
1399 (tree_merge_blocks, tree_split_blocks): Use it.
1401 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1407 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1408 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1409 (cgraph_optimize): Likewise.
1411 2006-08-01 Stuart Hastings <stuart@apple.com>
1413 * rtl.h (UINTVAL) New.
1414 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1415 * testsuite/gcc.dg/20060801-1.c: New.
1417 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1420 * c-typeck.c (build_external_type): Mark used enum types.
1421 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1423 (gen_subprogram_die): Whitespace fix.
1425 2006-08-01 Jan Hubicka <jh@suse.cz>
1427 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1428 bitmap when not needed.
1429 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1432 2006-08-01 Dirk Mueller <dmueller@suse.de>
1434 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1436 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1438 * Makefile.in: Revert part of previous patch:
1439 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1442 2006-07-30 Eric Christopher <echristo@apple.com>
1445 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1446 (PowerPC Variable Attributes): New section.
1448 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1450 PR target/28126 (partial fix)
1451 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1453 2006-07-28 Jan Hubicka <jh@suse.cz>
1455 PR rtl-optimization/28071
1456 * cfgrtl.c (rtl_delete_block): Free regsets.
1457 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1459 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1461 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1462 and variables used in dependencies.
1464 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1466 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1467 %fs for -mcmodel=kernel.
1468 (stack_tls_protect_test_di): Likewise.
1470 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1472 * Makefile.in: Use mkinstalldirs.
1474 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1477 * opts-common.c (prune_options): Skip joined switches.
1479 2006-07-27 Jan Hubicka <jh@suse.cz>
1481 PR rtl-optimization/28071
1482 * cselib.c (cselib_process_insn): Don't remove useless values too
1483 often for very large hashtables.
1485 2006-07-27 Jan Hubicka <jh@suse.cz>
1487 PR rtl-optimization/28071
1488 * global.c (greg_obstack): New obstack.
1489 (allocate_bb_info): Use it.
1490 (free_bb_info): Likewise.
1491 (modify_reg_pav): Likewise.
1493 2006-07-27 Roger Sayle <roger@eyesopen.com>
1495 * builtins.c (fold_fixed_mathfn): When long and long long are the
1496 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1497 functions to their lceil*, lfloor*, lround* and lrint* forms.
1499 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1502 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1504 (rev_branch_insn): Likewise.
1506 2006-07-27 Jan Hubicka <jh@suse.cz>
1508 PR rtl-optimization/28071
1509 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1510 (reg_set_in_bb, max_reg_computed): New static variables.
1511 (regmove_optimize): Free the new array.
1512 (fixup_match_1): Update call of reg_is_remote_constant_p.
1514 2006-07-26 Jan Hubicka <jh@suse.cz>
1516 PR tree-optimization/27882
1517 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1519 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1521 (cgraph_analyze_compilation_unit): Likewise.
1522 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1523 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1524 (cgraph_early_inlinine): Make order garbage collected.
1525 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1527 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1529 * dbxout.c (output_types_sort): Add a comment.
1530 (output_used_types): Free the VEC.
1532 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1534 * function.c (reorder_fix_fragments): Delete.
1535 (reorder_blocks): Don't call it.
1536 (reorder_blocks_1): Put all subblocks under the origin block.
1538 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1540 PR rtl-optimization/27907
1541 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1544 2006-07-25 Roger Sayle <roger@eyesopen.com>
1547 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1548 bar(x) check that bar's result type can represent all the values of T.
1550 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1552 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1554 2006-07-25 Nick Clifton <nickc@redhat.com>
1556 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1557 size_lookup[] array.
1558 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1559 (ggc_pch_count_object): Likewise.
1560 (ggc_pch_alloc_object): Likewise.
1561 (ggc_pch_write_object): Likewise.
1562 (init_ggc): Do not attempt to initialize entries in the
1563 size_lookup[] array for objects whose size is greater than than
1564 the length of the array.
1566 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1568 * dbxout.c (output_used_types_helper): Push queued types
1570 (output_types_sort): New.
1571 (output_used_types): Collect used types on a VEC and sort them
1574 2006-07-24 Richard Guenther <rguenther@suse.de>
1577 * cgraph.c (cgraph_remove_node): Do not check if dumps
1579 * cgraphunit.c (cgraph_optimize): Likewise.
1581 2006-07-24 Jan Hubicka <jh@suse.cz>
1583 PR rtl-optimization/28071
1584 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1585 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1586 splitting before first stmt.
1588 2006-07-24 Jan Hubicka <jh@suse.cz>
1590 PR rtl-optimization/28071
1591 * ipa-inline.c (update_caller_keys): Remove edges that
1592 are no longer inline candidates.
1594 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1597 * dbxout.c (output_used_types_helper, output_used_types): New.
1598 (dbxout_symbol): Call output_used_types.
1600 2006-07-23 Jan Hubicka <jh@suse.cz>
1604 * cgraph.c (cgraph_varpool_nodes): Export.
1605 (decide_is_variable_needed): Ignored "used" attribute in
1606 unit-at-a-time mode.
1607 * cgraph.h (cgraph_varpool_nodes): Declare.
1608 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1609 unit-at-a-time mode.
1611 2006-07-23 Roger Sayle <roger@eyesopen.com>
1614 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1615 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1616 the __gthrw form of thr_keycreate.
1617 (__gthread_key_delete): Silence the unused argument warning.
1619 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1622 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1623 Cache the last found '\0' marker to avoid quadratic behavior.
1625 2006-07-23 Jan Hubicka <jh@suse.cz>
1627 * i386.md (subsi_3_zext): Fix output template.
1629 2006-07-21 Mike Stump <mrs@apple.com>
1631 * doc/invoke.texi (C++ Dialect Options): Note that
1632 -fvisibility-inlines-hidden doesn't affect explicitly
1633 instantiationed inline methods.
1635 2006-07-20 Roger Sayle <roger@eyesopen.com>
1637 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1638 if the target assembler is GNU binutils' gas.
1639 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1640 whether to pass GNU gas or native as command line options.
1642 2006-07-20 Jason Merrill <jason@redhat.com>
1644 * tree.c (remove_attribute): New fn.
1645 * tree.h: Declare it.
1647 2006-07-20 Paul Brook <paul@codesourcery.com>
1650 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1651 they are invalidated by this instruction.
1653 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1656 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1658 2006-07-20 Eric Christopher <echristo@apple.com>
1661 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1663 2006-07-19 Eric Christopher <echristo@apple.com>
1665 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1666 Rewrite dependencies for libgcc_s.1.dylib.
1668 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1670 * except.c (duplicate_eh_regions_1): Clear next_peer.
1672 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1674 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1675 -mlongcall does not guarantee all calls will be long.
1676 * doc/extend.texi (long_call/short_call): Document that longcall
1677 does not guarantee a long call will be used.
1678 (longcall/shortcall): Likewise.
1680 2006-07-18 Roger Sayle <roger@eyesopen.com>
1683 * expmed.c (expand_shift): Additionally check that the shift_cost
1684 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1685 before implementing a LSHIFT_EXPR as a sequence of additions.
1686 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1687 middle-end that DImode shifts need to be synthesized by expand.
1689 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1692 * tree-ssa-operands.c (access_can_touch_variable): Update
1694 Return true if ALIAS is .GLOBAL_VAR.
1696 2006-07-18 David Daney <ddaney@avtrex.com>
1698 * gcc.c (display_help): Fix typo in help text.
1700 2006-07-18 Olivier Hainque <hainque@adacore.com>
1702 * tree.h (categorize_ctor_elements): Adjust prototype and add
1703 descriptive comment, both in accordance with the interface change
1705 * varasm.c (constructor_static_from_elts_p): New function.
1706 Whether a constructor node is a valid static constant initializer
1707 if all its elements are.
1708 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1709 * output.h: Declare it.
1710 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1711 is a valid constant initializer instead of computing the number of
1712 non-constant elements. Use constructor_static_from_elts_p for this
1713 purpose. Replace the head comment with an indication that this is a
1714 helper for categorize_ctor_elements.
1715 (categorize_ctor_elements): Same interface change as for the _1
1716 helper. Former head comment from this helper moved here, adjusted to
1717 account for the interface changes.
1718 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1719 (all_zeros_p): Likewise.
1720 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1721 static versions of the constructor from the categorize_ctor_elements
1722 return value instead of the formerly computed number of non-constant
1725 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1727 * configure: Regenerate.
1728 * Makefile.in (build_libsubdir): New configure substitution
1729 (build_libobjdir): New variable.
1730 (BUILD_LIBIBERTY): Use it.
1732 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1735 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1737 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1740 * c-common.c (handle_weakref_attribute): Ignore attribute in
1741 the same conditions the alias attribute is ignored.
1743 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1745 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1746 (dbxout_begin_prologue): Increment scope_labelno.
1748 2006-07-17 Richard Henderson <rth@redhat.com>
1751 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1754 2006-07-17 Roger Sayle <roger@eyesopen.com>
1755 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1757 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1758 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1759 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1760 functions such as sbrk, write, etc.. Add function prototypes.
1761 Convert function declarations from K&R to ISO C. Cast pointers
1762 to "long" and "unsigned long" instead of "int" and "unsigned int".
1763 Convert tokens following #endif into comments.
1765 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1767 * invoke.texi: Remove mention of f77; Reformat table for
1768 inline parameter options correctly; mention that -malign-double
1769 is default on x86-64 targets.
1771 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1773 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1774 (convert_affine_scev, chrec_convert_aggressive): Use
1775 avoid_arithmetics_in_type_p. Do not check for the subtypes
1778 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1781 * optabs.c (expand_doubleword_shift): Wrap the call to
1782 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1784 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1787 * optabs.c (expand_binop): Pass next_methods rather than methods
1788 to expand_doubleword_shift.
1790 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1793 * tree.h (dump_addr): Declare.
1794 * print-tree.c (dump_addr): New function.
1795 (print_node_brief, print_node): Use it.
1796 * print-rtl.c (print_rtx): Likewise.
1797 * common.opt (-fdump-noaddr): New option.
1798 * doc/invoke.texi (-fdump-noaddr): Document.
1799 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1800 (ve_info_hash): Likewise.
1802 2006-07-13 Andrew Haley <aph@redhat.com>
1804 PR tree-optimization/19505
1805 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1806 edge leaving this block, make sure that the destination of this
1807 block has only one predecessor.
1809 2006-07-17 Richard Guenther <rguenther@suse.de>
1811 PR tree-optimization/28238
1812 * tree-inline.c (copy_bb): Check if we produced valid
1813 gimple copying and substituting a stmt. If not, gimplify
1816 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1818 * optabs.c (maybe_encapsulate_block): New function extracted from...
1819 (emit_libcall_block): ...here. Invoke it on the block of insns to
1820 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1821 (emit_no_conflict_block): Likewise.
1823 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1825 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1827 2006-07-15 Roger Sayle <roger@eyesopen.com>
1829 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1830 a new NOP_EXPR case of the switch statement.
1832 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1835 * stor-layout.c (place_field): Take the bit field with
1836 an excessive size into account in the ms-bitfiled case.
1839 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1840 the previous bit field.
1842 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1845 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1847 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1849 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1850 signal frames correctly even when the signal was installed with
1853 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1855 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1856 (dbxout_function_end): Use local label LFBB. Remove hook
1858 (dbxout_source_line): Use local label LFBB.
1859 (dbxout_block): Likewise.
1860 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1861 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1862 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1863 and DBX_OUTPUT_NFUN.
1865 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1867 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1869 2006-07-13 Jan Hubicka <jh@suse.cz>
1871 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1873 * output.h (align_variable): Declare.
1874 * varasm.c (align_variable): Export.
1875 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1876 when basic block changed.
1878 2006-07-13 Nick Clifton <nickc@redhat.com>
1880 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1881 walking the LOG_LINKS chain.
1883 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1885 * doc/invoke.texi (C++ Dialect Options): Explain difference
1886 between -fvisibility-inlines-hidden and setting hidden
1887 visibility explicitly.
1889 2006-07-12 Eric Christopher <echristo@apple.com>
1891 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1892 (stmp-lipo): Depend on libgcc.a.
1894 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1896 * tree.c: Fix a comment typo.
1898 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1900 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1902 (umulhisi3_r): Likewise.
1904 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1907 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1908 x < 19, vs wchar_t support.
1910 2006-07-12 Nick Clifton <nickc@redhat.com>
1912 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1913 instead of -isa=sh4.
1915 2006-07-12 Mike Stump <mrs@apple.com>
1917 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1919 2006-07-10 Eric Christopher <echristo@apple.com>
1921 * config/t-slibgcc-darwin: Rewrite.
1923 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1926 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1929 2006-07-08 Matthias Klose <doko@debian.org>
1931 * doc/sourcebuild.texi: Fix typo.
1933 2006-07-07 Mike Stump <mrs@apple.com>
1935 * toplev.c (process_options): Don't give -ffunction-sections may
1936 affect debugging warning for Mach-O.
1938 2006-07-07 James E Wilson <wilson@specifix.com>
1940 * config/mips/mips.md (cpu): Add sb1a.
1941 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1942 addition to sb1. Adjust comments to clarify SB-1A differences from
1944 (ir_sb1a_load): New. Modify bypasses to use it.
1945 (ir_sb1a_simple_alu): Likewise.
1946 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1947 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1948 (mips_issue_rate): Add PROCESSOR_SB1A.
1949 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1950 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1951 (TARGET_SB1): Add PROCESSOR_SB1A check.
1952 (TUNE_SB1): Likewise.
1954 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1955 * config/mips/mips.c (mips_store_data_bypass_p): New.
1956 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1957 store_data_bypass_p.
1959 2006-07-08 Paul Brook <paul@codesourcery.com>
1962 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1964 2006-07-07 Richard Guenther <rguenther@suse.de>
1967 * tree.h (build_one_cst): Declare.
1968 * tree.c (build_one_cst): New function.
1969 * tree-ssa-math-opts.c (get_constant_one): Remove.
1970 (insert_reciprocals): Use build_one_cst.
1971 * fold-const.c (fold_plusminus_mult): Likewise.
1973 2006-07-07 Roger Sayle <roger@eyesopen.com>
1975 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1976 * cfgloopanal.c (dump_graph): Likewise.
1977 * dojump.c (discard_pending_stack_adjust): Likewise.
1978 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1980 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1981 * function.c (finalize_block_changes): Likewise.
1982 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1983 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1984 * rtl.c (dump_rtx_statistics): Likewise.
1985 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1987 * varray.c (dump_varray_statistics): Likewise.
1988 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1989 decode_decimal64, encode_decimal128, decode_decimal128,
1990 decimal_real_to_decimal): Likewise.
1992 2006-07-07 Richard Guenther <rguenther@suse.de>
1994 PR tree-optimization/28187
1995 * tree-vrp.c (vrp_operand_equal_p): New function.
1996 (vrp_bitmap_equal_p): Likewise.
1997 (update_value_range): Use them to compare old and new
2000 2006-07-06 Roger Sayle <roger@eyesopen.com>
2002 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2003 a default case to switch statement to silence compiler warnings.
2005 2006-07-06 Roger Sayle <roger@eyesopen.com>
2008 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2009 the configured assembler supports the x87's ffreep mnemonic.
2010 * configure: Regenerate.
2011 * config.in: Regenerate.
2013 * config/i386/i386.c (output_387_ffreep): New function.
2014 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2015 (output_387_reg_move): Likewise.
2017 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2019 Port to hosts whose 'sort' and 'tail' implementations
2020 treat operands with leading '+' as file names, as POSIX
2021 has required since 2001. However, make sure the code still
2022 works on pre-POSIX hosts.
2023 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2024 which says you should use "tail -c +N" rather than "tail +Nc".
2025 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2027 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2029 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2032 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2035 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2036 PRE_{INC,DEC} of TFmode.
2038 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2039 Alan Modra <amodra@bigpond.net.au>
2042 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2045 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2048 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2049 Remove duplicate gtu.
2051 2006-07-05 Jason Merrill <jason@redhat.com>
2055 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2056 * c-common.c (handle_packed_attribute): So don't copy it here.
2057 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2059 2006-07-05 Mike Stump <mrs@apple.com>
2061 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2063 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2066 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2068 2006-07-05 Richard Guenther <rguenther@suse.de>
2071 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2072 TARGET_SSE2 targets if using SSE math.
2073 (*absdf2_1): Likewise.
2075 2006-07-05 Richard Guenther <rguenther@suse.de>
2077 PR tree-optimization/28162
2078 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2079 make sure to convert the operands to the correct type.
2081 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2083 PR tree-optimization/28218
2085 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2086 to calculate and free the dominator information.
2088 2006-07-04 Peter O'Gorman <peter@pogma.com>
2090 * mklibgcc.in: chmod 644 before ranlib during install.
2092 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2093 J"orn Rennecke <joern.rennecke@st.com>
2095 * configure.ac (.eh_frame data check): Use diff -b.
2097 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2100 * Makefile.in (BUILD_RTL): Add build/vec.o.
2101 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2102 (build/genextract): Delete.
2103 (build/genautomata): Likewise.
2105 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2108 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2109 128-bit IBM long doubles for ABI_V4.
2111 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2113 * tree.c (range_in_array_bounds_p): New predicate.
2114 * tree.h (range_in_array_bounds_p): Declare it.
2115 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2116 return a less conservative answer.
2117 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2118 and flag 'is_group'.
2119 (IS_ELEMENT_FOR_GROUP): New macro.
2120 (FOR_EACH_ACTUAL_CHILD): Likewise.
2121 (next_child_for_group): New helper function.
2122 (can_completely_scalarize_p): Take into account groups.
2123 (sra_hash_tree): Handle RANGE_EXPR.
2124 (sra_elt_eq): Likewise.
2125 (lookup_element): Be prepared for handling groups.
2126 (is_valid_const_index): Delete.
2127 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2128 instead of is_valid_const_index.
2129 <ARRAY_RANGE_REF>: New case.
2130 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2131 is_valid_const_index.
2132 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2133 (scan_dump): Dump info for groups too.
2134 (decide_instantiation_1): Likewise.
2135 (decide_block_copy): Assert that the element is not a group.
2136 Propagate decision to groups.
2137 (generate_one_element_ref): Handle RANGE_EXPR.
2138 (mark_no_warning): Iterate over actual childs.
2139 (generate_copy_inout): Likewise.
2140 (generate_element_copy): Likewise.
2141 (generate_element_zero): Likewise.
2142 (generate_element_init_1): Likewise.
2143 (dump_sra_elt_name): Handle RANGE_EXPR.
2145 2006-07-03 Roger Sayle <roger@eyesopen.com>
2147 PR tree-optimization/26251
2148 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2149 (thread_block): When optimizing for size refuse to thread jumps
2150 that would require duplication of blocks other than redirection
2153 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2155 * configure.ac: Fix thinko in previous check-in.
2156 * configure: Regenerate.
2158 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2161 * configure.ac (for lang...): Simplify nesting of conditionals.
2162 Test subdir_requires for non-enabled languages. Move processing
2163 of lang_opt_files and lang_tree_fiels below that test.
2164 * configure: Regenerate.
2165 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2167 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2169 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2171 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2173 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2176 2006-06-29 Jason Merrill <jason@redhat.com>
2183 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2184 * c-common.c (c_determine_visibility): Handle it here.
2185 * c-decl.c (finish_decl): Call c_determine_visibility for
2187 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2189 * varasm.c (default_assemble_visibility): Likewise.
2190 * c-common.c (handle_visibility_attribute): Complain about trying
2191 to give visibility to an already defined class, or trying to change
2192 declared visibility. Always attach the attribute.
2197 * attribs.c (decl_attributes): Ignore type-in-place attributes
2198 once the type has been defined.
2200 2006-06-29 Roger Sayle <roger@eyesopen.com>
2203 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2204 to indicate the cpplib has issued an error message for us.
2206 2006-06-29 Asher Langton <langton2@llnl.gov>
2209 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2210 insert a label at the end of an function under Mach-O.
2212 2006-06-29 Eric Christopher <echristo@apple.com>
2213 Evan Cheng <evan.cheng@apple.com>
2215 * predicates.md (vector_all_ones_operand): New.
2216 (nonimmediate_or_sse_const_operand): Ditto.
2217 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2218 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2219 (standard_sse_mode_p): Ditto.
2220 (standard_sse_constant_p): Add case for -1 vector.
2221 (ix86_expand_vector_move): Try to use.
2222 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2223 Call standard_sse_constant_opcode.
2224 (*movv4sf_internal): Ditto.
2225 (*movv2df_internal): Ditto.
2227 2006-06-29 Roger Sayle <roger@eyesopen.com>
2229 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2230 of XEXP to extract the operands of a MATCH_CODE rtx.
2232 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2234 * tree.c (tree_size): Do not waste tail padding in
2235 struct tree_string and make the size be the same as
2236 build_string will generate.
2238 2006-06-28 Jason Merrill <jason@redhat.com>
2241 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2242 may_aliases already in the tag's annotations to the bitmap.
2244 2006-06-28 Roger Sayle <roger@eyesopen.com>
2246 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2248 2006-06-28 Roger Sayle <roger@eyesopen.com>
2250 * genpreds.c (generate_switch_p): New function.
2251 (add_mode_tests): Push the new mode test down inside an AND expr
2252 if this allows the switch-suitable MATCH_CODE to be near the root.
2253 (write_match_code_switch): New function to write a MATCH_CODE as
2255 (write_predicate_stmts): New function to write a predicate RTX
2256 expression as a sequence of statements.
2257 (write_one_predicate_function): Use write_predicate_stmts.
2258 (write_tm_constrs_h): Likewise.
2260 2006-06-26 Fred Fish <fnf@specifix.com>
2262 * config/mips/t-sb1: New file.
2263 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2266 2006-06-26 DJ Delorie <dj@redhat.com>
2268 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2270 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2271 Jayant Sonar <jayants@kpitcummins.com>
2272 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2274 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2275 (subsi3, subsi3_1, subsi3_2): New.
2276 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2277 * config/m32c/mov.md (SI mov peephole): New.
2278 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2279 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2281 2006-06-26 Olivier Hainque <hainque@adacore.com>
2283 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2284 a CALL_EXPR target function declaration.
2286 2006-06-26 Richard Guenther <rguenther@suse.de>
2288 * tree.c (build_string): Do not waste tail padding in
2291 2006-06-26 Richard Guenther <rguenther@suse.de>
2293 * ggc-page.c (init_ggc): Add missing element to size_lookup
2297 2006-06-23 Richard Guenther <rguenther@suse.de>
2299 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2300 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2301 alignment requests instead. Add verification code.
2302 Add struct tree_function_decl and struct tree_binfo size to
2303 extra_order_size_table. Add missing element to size_lookup
2306 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2309 * fold-const.c (const_binop): Be prepared for self returning zero.
2310 Simplify code handling complex values.
2312 2006-06-24 Olivier Hainque <hainque@adacore.com>
2314 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2315 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2318 2006-06-24 Olivier Hainque <hainque@adacore.com>
2320 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2321 ARRAY_REF, so have the callback called for the low bound expression.
2323 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2325 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2326 * c-typeck.c (c_common_type): Disallow operations on decimal float
2327 types and other float types.
2328 * convert.c (convert_to_real): Don't ignore conversions involving
2329 decimal float types.
2331 2006-06-23 Olivier Hainque <hainque@adacore.com>
2333 * tree.c (max_int_size_in_bytes): New function, inspired from
2334 code in function.c:assign_temp.
2335 * tree.h (max_int_size_in_bytes): Declare.
2336 * function.c (assign_temp): Use it.
2337 * gimplify.c (create_tmp_var): Relax the assertions on the type
2338 properties, not mandating constant size any more.
2339 (force_constant_size): New static function.
2340 (gimple_add_tmp_var): Use it, forcing variable size to a
2341 constant upper bound if it is not constant on entry.
2343 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2346 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2347 for initialization and setting of one_only flag to ...
2348 (i386_pe_encode_section_info): ...here.
2349 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2350 Recheck that the symbol has not been defined.
2352 2006-06-23 Richard Guenther <rguenther@suse.de>
2354 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2355 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2356 alignment requests instead. Add verification code.
2357 Add struct tree_function_decl and struct tree_binfo size to
2358 extra_order_size_table. Add missing element to size_lookup
2361 2006-06-22 Roger Sayle <roger@eyesopen.com>
2362 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2365 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2366 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2368 2006-06-23 Ben Elliston <bje@au.ibm.com>
2370 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2371 negate dn -- manipulate it directly.
2373 2006-06-22 Roger Sayle <roger@eyesopen.com>
2374 Steven Bosscher <stevenb.gcc@gmail.com>
2377 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2378 generated by gen_move_insn to add REG_LABEL notes if necessary.
2380 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2382 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2383 (leaf_entry): Remove use of MIN_ESA.
2385 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2387 PR rtl-optimization/28121
2388 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2391 2006-06-21 DJ Delorie <dj@redhat.com>
2393 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2395 (mulhisi3_r): Likewise.
2397 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2400 * coverage.c (coverage_counter_alloc): Leave the index type
2402 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2405 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2407 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2408 section from the "Options for Code Generation Conventions".
2410 2006-06-21 Richard Henderson <rth@redhat.com>
2414 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2416 (global_symbolic_operand): Allow weak symbols, even if local_p.
2418 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2420 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2421 (find_interesting_uses_address): Punt if above function returns true.
2423 2006-06-21 Richard Guenther <rguenther@suse.de>
2425 * configure: Regenerated.
2427 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2429 * config/mips/mips.c (function_arg): Where one part of a
2430 complex argument is in registers and the other part in the stack,
2431 return a REG not a PARALLEL.
2433 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2435 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2436 when cross-compiling. Do not substitute libstdcxx_incdir.
2437 * configure: Regenerated.
2439 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2441 * varasm.c (mergeable_string_section): Check for embedded NULs and
2442 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2443 rather than TREE_STRING_LENGTH bytes.
2445 2006-06-21 Richard Guenther <rguenther@suse.de>
2447 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2448 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2451 2006-06-21 Richrad Guenther <rguenther@suse.de>
2453 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2454 Limit iteration over the dominators.
2456 2006-06-20 Roger Sayle <roger@eyesopen.com>
2458 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2459 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2461 2006-06-20 Richard Guenther <rguenther@suse.de>
2462 Michael Matz <matz@suse.de>
2464 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2466 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2467 * et-forest.h (et_free_pools): Prototype new function.
2468 * et-forest.c (et_free_tree_force): Free parent occurrence.
2469 (et_free_pools): New function.
2470 * dominance.c (free_dominance_info): Free et-forest alloc
2473 2006-06-20 Roger Sayle <roger@eyesopen.com>
2475 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2476 integer modes, attempt to directly construct an integer constant.
2478 * fold-const.c (native_encode_vector): Determine the size of each
2479 element from the vector type instead of the first vector element.
2481 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2482 if all of its elements/components are constant.
2483 (build_constructor_from_list): Likewise.
2485 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2487 PR tree-optimization/27331
2488 * tree-data-ref.c (free_data_ref): New function.
2489 (create_data_ref): Fail if the data reference has unknown access
2491 (free_data_refs): Use free_data_ref.
2493 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2496 * tree-inline.c (setup_one_parameter): Strip useless
2497 type conversion before adding it to the IR.
2498 (declare_return_variable): Likewise.
2500 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2503 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2505 2006-06-19 Mike Stump <mrs@apple.com>
2507 * tree.c (variably_modified_type_p): VM arguments don't make the
2510 2006-06-19 Richard Guenther <rguenther@suse.de>
2512 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2513 type conversions after folding.
2515 2006-06-19 Richard Guenther <rguenther@suse.de>
2517 * ggc-page.c (extra_order_size_tab): Add entries with
2518 size of struct function and basic_block.
2519 (size_lookup): Extend to cover sizes up to 511.
2520 (ggc_alloc_stat): Adjust user.
2521 (ggc_pch_count_object): Likewise.
2522 (ggc_pch_alloc_object): Likewise.
2523 (ggc_pch_write_object): Likewise.
2525 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2527 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2528 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2531 2006-06-19 Denis Chertykov <denisc@overta.ru>
2533 * config/avr/libgcc.S : Correct my wrong previous commit.
2535 2006-06-19 Roger Sayle <roger@eyesopen.com>
2538 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2539 have stripped a SUBREG from the shift count, so we may need to
2540 convert_to_mode back to the type's mode before calling make_tree.
2541 Use new_amount instead of amount to avoid expanding a tree twice.
2543 2006-06-19 Richard Guenther <rguenther@suse.de>
2546 * fold-const.c (operand_equal_p): Check if the argument types
2547 have the same precision before stripping NOPs.
2549 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2551 Fix PR tree-optimization/27341
2552 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2554 * tree-complex.c (pass_lower_complex): Update SMT usage.
2556 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2558 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2559 Add a new alternative to the constraint strings. Add move of
2560 operand 1 to 3 to the splitter definition.
2561 ("doloop_si_long"): Second contraint alternative removed.
2563 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2565 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2566 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2568 (AVR_HAVE_MOVW) Define.
2569 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2570 (ASM_SPEC): Add avr25.
2571 (LINK_SPEC): Add avr25.
2572 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2573 (base_arch_s): Add new member 'have_movw_lpmx'.
2574 (avr_arch_types): Init 'have_movw_lpmx'.
2575 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2576 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2577 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2578 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2579 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2581 (avr_file_start): Do not output '.arh' derective.
2582 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2583 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2584 * config/avr/avr.md (mcu_enhanced): Delete.
2585 (mcu_have_movw): Define.
2586 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2587 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2588 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2589 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2590 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2591 attiny861 and at86rf401 devices.
2593 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2595 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2598 2006-06-17 Karl Berry <karl@gnu.org>
2600 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2601 doc/gccint.texi, doc/install.texi (@dircategory): Use
2602 "Software development" instead of "Programming", following
2603 the Free Software Directory.
2605 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2607 * config/i386/i386.c (legitimate_tls_address)
2608 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2609 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2610 (*tls_dynamic_gnu2_combine_64): Likewise.
2612 2006-06-16 Richard Guenther <rguenther@suse.de>
2615 * fold-const.c (negate_expr_p): Do not introduce undefined
2616 overflow in negating INTEGER_CSTs.
2617 (fold_negate_expr): Rename from negate_expr. Revert last
2618 change for folding BIT_NOT_EXPR. Change semantics to
2619 return NULL_TREE for non-simplified negations. Do not
2620 strip type conversions and unify type handling.
2621 (negate_expr): New function, wrap around fold_negate_expr
2622 but ensure building a tree always. Strip type conversions
2623 here, fold to result type.
2624 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2626 2006-06-16 Roger Sayle <roger@eyesopen.com>
2629 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2630 that (would) return their results in stack registers.
2632 2006-06-16 Michael Matz <matz@suse.de>
2633 Richard Guenther <rguenther@suse.de>
2635 * fold-const.c (fold_truthop): Only return new tree node if
2636 we canonicalized something.
2638 2006-06-16 Richard Guenther <rguenther@suse.de>
2640 * function.h (enum function_frequency): Move declaration
2641 out of struct function.
2642 (struct function): Move bool fields and the enum to the bitfield
2643 section. Reorder elements to avoid padding. Remove unused
2644 fields left over from the RTL inliner removal.
2645 * function.c (free_after_compilation): Do not zero removed fields.
2646 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2647 (ipa-type-escape.o): Likewise.
2649 2006-06-16 Richard Guenther <rguenther@suse.de>
2651 * cgraph.h (struct cgraph_local_info): Turn bool elements
2653 (struct cgraph_node): Likewise.
2654 (struct cgraph_varpool_node): Likewise.
2656 2006-06-15 Richard Guenther <rguenther@suse.de>
2658 * fold-const.c (fold_truth_not_expr): Rename from
2659 invert_truthvalue. Give it fold_* semantics to avoid
2661 (invert_truthvalue): New function. Wrapper around
2662 fold_truth_not_expr.
2663 (optimize_minmax_comparison): Avoid creating garbage.
2664 (fold_unary): Use fold_truth_not_expr for folding
2666 (fold_ternary): Replace uses of invert_truthvalue with
2667 fold_truth_not_expr where applicable.
2668 * tree.h (fold_truth_not_expr): Prototype.
2670 2006-06-16 Richard Guenther <rguenther@suse.de>
2672 PR tree-optimization/27781
2673 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2674 * ipa-pure-const.c (target.h): Include.
2675 (analyze_function): Do not analyze functions that do not
2678 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2681 * tree-dfa.c (referenced_vars_dup_list): Remove.
2682 (find_referenced_vars): Remove assert.
2683 (referenced_var_check_and_insert): Replace dup list with assert.
2684 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2685 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2687 2006-06-15 Richard Guenther <rguenther@suse.de>
2689 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2690 extra unused identifiers if not dumping.
2691 (create_variable_info_for): Likewise.
2693 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2695 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2696 (derive_constant_upper_bound): Derive more precise upper bound in
2697 common cases. Return type changed to double_int.
2698 (record_estimate): Reflect the changed return type of
2699 derive_constant_upper_bound.
2700 * double-int.c (double_int_zext, double_int_sext): Fix.
2702 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2704 * configure.ac (CFLAGS): Get them from the toplevel or from the
2705 configure invocation.
2706 * configure: Regenerate.
2707 * Makefile.in (CFLAGS): Substitute value provided by configure.
2709 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2712 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2713 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2714 rather than calling add_stmt on it.
2715 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2717 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2720 * reload1.c (reload): Remove registers returned by update_eliminables
2721 from used_spill_regs.
2723 2006-06-13 DJ Delorie <dj@redhat.com>
2725 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2727 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2729 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2730 html__strip_dir, html__mkdir_p. Enhance install-html target.
2731 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2732 * configure: Regenerate.
2734 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2736 * fold-const.c (fold_cond_expr_with_comparison): Check for
2737 Objective-C++ as language in deciding COND_EXPR transformation.
2739 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2742 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2743 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2744 * config/sh/lib1funcs.h (SL, SL1): Define.
2745 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2746 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2747 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2748 (OBJS_Os_4_200): New variable.
2749 ($(T)libgcc-Os-4-200.a): Use it.
2750 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2751 when dividing 1 and/or by 0.
2753 2006-06-13 Roger Sayle <roger@eyesopen.com>
2755 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2756 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2757 * configure: Regenerate.
2759 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2761 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2762 for real instruction.
2764 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2767 * haifa-sched.c (check_cfg): Handle special case.
2769 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2772 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2773 Add debug_info parameter. Chain the vars to the BLOCK instead
2774 of the BIND_EXPR if debug info are requested for them.
2775 (pop_gimplify_context): Adjust for above change.
2776 (gimple_add_tmp_var): Likewise.
2777 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2779 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2780 (convert_local_reference): Likewise.
2781 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2782 (finalize_nesting_tree_1): Request that debug info be emitted
2783 for debug_var_chain.
2785 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2787 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2788 for PR target/27863.
2790 2006-06-13 Richard Guenther <rguenther@suse.de>
2793 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2795 2006-06-13 Richard Guenther <rguenther@suse.de>
2797 PR tree-optimization/27830
2798 * tree-inline.c (copy_body_r): For copying the operand
2799 of an ADDR_EXPR make sure to fold &* afterwards.
2801 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2803 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2804 lvalues in the fb_none case with side-effects.
2806 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2808 * tree-flow.h: Remove the prototype for
2809 compute_phi_arg_on_exit.
2810 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2811 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2814 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2816 * builtins.c (expand_builtin_return_addr): Only use
2817 frame_pointer_rtx when count == 0 and we are expanding
2818 __builtin_return_address.
2820 2006-06-12 Fred Fish <fnf@specifix.com>
2822 * config/mips/mips.c (mips_file_start): Create special section
2823 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2825 2006-06-11 Eric Christopher <echristo@apple.com>
2828 * stor-layout.c (place_field): Remove check for
2829 remaining_in_alignment when aligning at the end of a run.
2831 2006-06-11 Eric Christopher <echristo@apple.com>
2834 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2837 2006-06-11 Roger Sayle <roger@eyesopen.com>
2840 Revert incorrect fix for PR target/27158
2841 2006-05-08 Roger Sayle <roger@eyesopen.com>
2842 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2843 of a reg_equiv_constant if the result is a legitimate constant.
2845 2006-06-11 Roger Sayle <roger@eyesopen.com>
2848 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2849 extract a CONST_VECTOR element and interpret it as an integer.
2850 (vspltis_constant): Use const_vector_elt_as_int instead of the
2851 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2852 * config/rs6000/predicates.md (easy_vector_const): Consider
2853 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2855 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2858 * stor-layout.c (update_alignment_for_field): Don't add extra
2859 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2862 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2864 * config/mips/t-rtems: Add EL/EB multilib variants.
2866 2006-06-09 Mike Stump <mrs@apple.com>
2868 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2870 2006-06-09 David Daney <ddaney@avtrex.com>
2872 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2874 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2876 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2878 2006-06-09 Richard Guenther <rguenther@suse.de>
2880 PR tree-optimization/26998
2881 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2882 of signed types, only TYPE_MIN_VALUE is special, but for both,
2883 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2884 in this case, as is -fwrapv.
2886 2006-06-08 Mike Stump <mrs@apple.com>
2889 * config/darwin.c (darwin_asm_output_anchor): Disable
2890 -fsection-anchors on darwin for now.
2891 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2892 * rs6000/rs6000.c (optimization_options): Likewise.
2894 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2897 * config/i386/i386.c (classify_argument): Skip fields with invalid
2900 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2902 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2903 (cse_insn): Likewise for the stack_pointer_rtx.
2905 2006-06-08 Roger Sayle <roger@eyesopen.com>
2907 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2908 conditions from floating point comparisons.
2910 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2913 * expmed.c (struct alg_hash_entry): Fix type of field T
2914 to match synth_mult argument.
2915 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2917 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2920 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2923 2006-06-08 Richard Guenther <rguenther@suse.de>
2926 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2927 only, if overflow is defined and not trapping.
2928 (negate_expr): Likewise.
2930 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2932 PR tree-optimization/27872
2933 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2934 flag on the new exit edge of the unrolled loop.
2936 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2938 PR rtl-optimization/26449
2939 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2941 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2944 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2945 referenced_variables with matching DECL_UID's.
2946 (find_referenced_vars): Make sure duplicate list is empty to start.
2947 (referenced_var_p): Remove.
2948 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2949 Check if var is in the list, and add if needed. Update the duplicate
2950 list if a different var is in the list with the same DECL_UID.
2951 (add_referenced_var): Call routine to check and insert.
2952 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2953 * tree-flow.h (referenced_vars_dup_list): External declaration.
2955 2006-06-07 Fred Fish <fnf@specifix.com>
2957 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2960 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2963 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2964 the imaginary and real parts of a clobbered register.
2965 Emit insn to set the imaginary part.
2967 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2969 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2970 in lieu of unwind-dw2-fde.c.
2972 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2974 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2976 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2979 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2980 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2981 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2982 V4SImode temporaries and operations instead.
2984 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2986 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2989 2006-06-06 Mike Stump <mrs@apple.com>
2991 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2992 installing during build.
2994 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2996 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2998 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2999 * config/ia64/ia64.c (params.h): New header.
3000 (ia64_optimization_options): New function to adjust parameters.
3001 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3002 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3003 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3005 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3007 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3009 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3012 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3014 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3015 Victor Kaplansky <victork@il.ibm.com>
3017 PR tree-optimization/26360
3018 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3021 2006-06-04 Roger Sayle <roger@eyesopen.com>
3022 Andrew Pinski <pinskia@physics.uc.edu>
3025 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3026 for LABEL_DECL before calling DECL_WEAK.
3029 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3030 LABEL_DECL and PARM_DECL.
3032 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3036 * c-decl.c (grokdeclarator): Disallow variably modified types at
3037 file scope. Avoid marking shared array type of constant size as
3040 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3043 * c-common.c (fold_offsetof_1): Handle static members.
3045 2006-06-04 Eric Christopher <echristo@apple.com>
3047 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3048 (debug_rli): Output value for remaining_in_alignment.
3049 (update_alignment_for_field): Unconditionalize
3050 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3051 extra alignment code.
3052 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3053 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3054 * tree.h (record_layout_info_s): Remove prev_packed.
3055 * doc/extend.texi (ms_struct): Add documentation of format.
3057 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3059 * tree.h: Declare folding_initializer.
3060 * builtins.c (fold_builtin_constant_p): Give definite answer
3061 if folding inside an initializer.
3062 * fold-const.c: Define folding_initializer.
3063 (START_FOLD_INIT): Save and then set folding_initializer.
3064 (END_FOLD_INIT): Restore folding_initializer.
3066 2006-06-04 Richard Guenther <rguenther@suse.de>
3068 PR tree-optimization/27039
3069 * fold-const.c (fold_comparison): Handle pointer comparison
3070 again for all comparison codes. Compare offsets in signed
3072 (fold_binary): Move code from here.
3074 2006-06-03 Roger Sayle <roger@eyesopen.com>
3077 * config/i386/i386.c (construct_container): Split static issued_error
3078 flag into issued_sse_arg_error, issued_sse_ret_error and
3079 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3080 requires the use of x87 registers and the user explicitly
3081 specified the -mno-80387 command line option.
3083 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3085 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3086 HAVE_DECL_SIGALTSTACK.
3088 (segv_handler): Use MC_FLD.
3089 * configure.ac: Check for a sigaltstack declaration.
3090 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3091 * configure: Regenerate.
3092 * config.in: Regenerate.
3094 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3097 * Makefile.in (stmp-fixinc): Fix typo.
3099 2006-06-02 Roger Sayle <roger@eyesopen.com>
3101 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3102 are type correct. Clean-up.
3103 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3104 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3106 2006-06-01 DJ Delorie <dj@redhat.com>
3108 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3109 shift, as we've disabled the "switch" insn that needs it.
3111 2006-06-01 Per Bothner <bothner@bothner.com>
3113 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3114 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3115 * c-ppoutput.c (cb_define): Don't increment line 0.
3117 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3119 * doc/invoke.texi: Add cpu_type power6.
3120 * config.gcc: Add cpu_type power6.
3121 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3122 to power5+ with Altivec.
3123 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3124 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3126 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3128 * config/avr/avr.h (SET_ASM_OP): Define.
3130 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3132 * config/bfin/bfin.c: Fix comment typos.
3134 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3137 * doc/install.texi: Document --enable-bootstrap and
3138 --disable-bootstrap.
3140 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3142 * doc/install.texi: Document that InfoZIP can replace jar.
3144 2006-05-31 Roger Sayle <roger@eyesopen.com>
3146 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3147 isn't available, directly generate the simpler x87 patterns without
3148 the (use (const_int 0)).
3149 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3150 implementation isn't available.
3151 (*negdf2_1): Likewise.
3152 (*negxf2_1): XF mode negation is always done using the x87.
3153 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3155 2006-05-31 Roger Sayle <roger@eyesopen.com>
3157 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3158 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3160 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3162 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3164 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3165 * config/bfin/bfin.c (basic-block.h): Include.
3166 (struct machine_function): New.
3167 (bfin_init_machine_status): New.
3168 (override_options): Initialize init_machine_status.
3169 (bfin_hardware_loop): New.
3170 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3171 (DEF_VEC_P (loop_info)): New.
3172 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3173 (struct loop_info): New.
3174 (loop_info): New typedef.
3175 (struct loop_work): New.
3176 (loop_work): New typedef.
3177 (DEF_VEC_O (loop_work)): New.
3178 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3179 (bfin_dump_loops): New.
3180 (bfin_bb_in_loop): New.
3181 (bfin_scan_loop): New.
3182 (bfin_optimize_loop): New.
3183 (bfin_reorg_loops): New.
3184 (bfin_reorg): Use bfin_reorg_loops.
3185 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3187 (I_REGNO_P): Simplify.
3188 (DP_REGNO_P, DPREG_P): New macros.
3189 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3190 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3191 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3192 Add LT_REGS, LC_REGS, LB_REGS.
3193 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3195 (REGNO_REG_CLASS): Deal with loop registers.
3196 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3198 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3199 New constants for loop registers.
3200 (UNSPEC_LSETUP_END): New.
3201 (seq_insns): New define_attr. Set it for appropriate insns.
3202 (movsi_insn): Add alternatives for move from/to
3203 loop count registers.
3204 (doloop_end): New define_expand.
3205 (loop_end): New define_insn.
3206 (define_split for bad doloop_end): New.
3207 (lsetup_with_autoinit): New define_insn.
3208 (lsetup_without_autoinit): New define_insn.
3209 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3210 * config/bfin/predicates.md (lc_register_operand): New.
3211 (lt_register_operand): New.
3212 (lb_register_operand): New.
3213 (nondp_register_operand): New.
3214 (nondp_reg_or_memory_operand): New.
3215 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3217 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3219 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3220 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3222 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3224 * Makefile.in (CATALOGS): Add po/ prefix.
3225 * configure: Regenerated.
3227 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3230 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3231 a shift operand before calling shift_op. Avoid redundant call of
3234 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3235 DJ Delorie <dj@redhat.com>
3237 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3238 we're inserting is a singlt-bit constant.
3240 2006-05-30 Roger Sayle <roger@eyesopen.com>
3242 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3243 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3245 2006-05-30 Roger Sayle <roger@eyesopen.com>
3247 PR tree-optimization/23452
3248 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3249 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3250 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3251 complex values and with -ffast-math for FP complex values.
3253 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3255 * c-common.h: Remove the prototype for yyparse.
3256 * rtl.h: Remove the prototype for init_loop.
3258 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3260 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3263 2006-05-30 Roger Sayle <roger@eyesopen.com>
3265 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3267 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3268 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3270 2006-05-30 Dirk Mueller <dmueller@suse.de>
3273 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3274 for CONSTANT_CLASS_P expresisons.
3276 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3279 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3281 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3283 PR tree-optimization/27779
3284 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3285 initial_condition instead of CHREC_LEFT.
3287 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3289 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3290 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3291 Make prototypes ISO C90.
3293 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3294 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3296 * see.c (see_analyze_one_def): Correct check.
3297 (see_get_extension_data): Check if extension is parallel.
3298 (see_get_extension_reg): Likewise.
3300 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3303 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3304 into register for (code == GTU).
3306 2006-05-29 Roger Sayle <roger@eyesopen.com>
3308 PR tree-optimization/24964
3309 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3310 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3311 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3312 abs(x)*abs(x) as x*x for scalar floating point modes.
3314 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3317 * lambda-code.c (perfect_nestify): Don't copy statements
3318 in the inner loop: move them to the inner loop header.
3320 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3323 * c-tree.texi: Document OpenMP directives and clauses.
3325 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3327 * varasm.c (globalize_decl): Fix indentation.
3329 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3332 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3333 pass_fre, pass_store_ccp, pass_copy_prop,
3334 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3335 pass_return_slot, pass_object_size, pass_lim,
3336 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3337 pass_loop_prefetch and pass_stdarg.
3339 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3341 * config/bfin/bfin.opt (mfdpic): New option.
3342 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3343 (EXTRA_MULTILIB_PARTS): Likewise.
3344 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3345 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3347 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3348 (CRT_CALL_STATIC_FUNCTION): New.
3349 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3351 (CRT_CALL_STATIC_FUNCTION): New.
3352 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3354 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3355 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3356 (initialize_trampoline): Changed to handle FD-PIC code generation.
3357 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3358 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3359 (override_options): Disallow -mid-shared-library -mfdpic combination.
3360 Can't do unaligned ops if FD-PIC.
3361 Turn off flag_pic if trying to generate non-id-shared-library
3362 non-fdpic code, since it's not supported.
3363 (bfin_assemble_integer): New function.
3364 (TARGET_ASM_INTEGER): Define.
3365 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3367 * config/bfin/crtn.s: Restore them.
3368 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3370 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3371 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3372 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3373 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3374 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3376 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3377 FDPIC_REGS and FDPIC_FPTR_REGS.
3378 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3379 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3380 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3381 (load_funcdescsi): New pattern.
3382 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3383 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3384 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3386 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3388 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3391 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3393 * tree-flow.h: Remove the prototype for add_type_alias.
3394 * tree-ssa-alias.c (add_type_alias): Remove.
3396 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3398 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3399 config/fr30/fr30.md, config/i386/i386-interix.h,
3400 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3401 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3402 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3403 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3404 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3405 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3406 Follow spelling conventions.
3407 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3408 Follow spelling conventions.
3410 2006-05-27 Richard Guenther <rguenther@suse.de>
3413 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3414 to produce a constant of value 1 of generic type.
3416 2006-05-27 Dirk Mueller <dmueller@suse.de>
3418 * cgraphunit.c (decide_is_function_needed): Fix wrong
3421 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3423 PR rtl-optimization/27661
3424 * reload.c (find_reloads): When reloading a VOIDmode constant
3425 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3426 use Pmode as mode of the reload register.
3428 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3430 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3431 is enabled at -O and above.
3433 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3436 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3439 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3442 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3443 for anonymous variables explicitly declared by front ends.
3445 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3447 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3448 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3449 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3450 ref-all pointers, run a finalization pass for them.
3451 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3452 (finalize_ref_all_pointers): New function.
3453 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3454 regular pointer type to a ref-all pointer type.
3455 (get_tmt_for): Return the special memory tag for ref-all pointers.
3457 2006-05-25 Richard Guenther <rguenther@suse.de>
3460 * fold-const.c (fold_binary): Do not look at the stripped
3461 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3463 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3465 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3466 for LT and GT if the computed range is effectively empty.
3468 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3471 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3472 mips_quad_format formats instead of ieee_single_format,
3473 ieee_double_format and ieee_quad_format formats, respectively.
3475 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3477 PR tree-optimization/27639
3478 PR tree-optimization/26719
3479 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3480 call to scev_probably_wraps_p.
3481 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3482 used_in_pointer_arithmetic_p, convert_step): Removed.
3483 (nowrap_type_p): New function.
3484 (scev_probably_wraps_p): Rewritten.
3485 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3486 chrec_convert if chrec_convert_aggressive might have been used.
3487 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3488 scev_direction): New functions.
3489 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3490 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3491 instead of convert_step.
3492 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3493 (convert_step): Declaration removed.
3494 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3496 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3498 * df-core.c: Added to header comments.
3499 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3500 df_ur_bb_info, df_urec_bb_info): Added comments.
3501 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3502 urec, ri problems): Fixed header comments.
3503 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3504 code from df_rd_transfer_function.
3506 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3508 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3509 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3510 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3512 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3514 * expr.c (undefined_operand_subword_p): New.
3515 (emit_move_multi_word): Do not generate move from undefined bits
3516 of a paradoxical subreg.
3518 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3520 PR rtl-optimization/27736
3521 * combine.c (replaced_rhs_value): New variable.
3522 (combine_instructions): Set it.
3523 (distribute_notes): When distributing a note in replaced_rhs_insn,
3524 check whether the value was used in replaced_rhs_value.
3526 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3529 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3530 add_referenced_var instead of add_referenced_tmp_var.
3531 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3532 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3534 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3535 tree_optimize_tail_calls_1): Use add_referenced_var.
3536 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3537 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3538 Use add_referenced_var.
3539 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3540 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3541 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3542 Use add_referenced_var.
3543 * tree-dfa.c (struct walk_state): Remove.
3544 (find_referenced_vars): Remove walk state and vars_found hash table.
3545 (make_rename_temp): Use add_referenced_var.
3546 (find_vars_r): Pass less parameters to add_referenced_var.
3547 (referenced_var_p): New. Is var in referenced_var hash table.
3548 (referenced_var_insert): Assert var isn't already in hash table.
3549 (add_referenced_var): Don't need walk_state parameter. Add var if it
3550 isn't already in the hash table.
3551 (add_referenced_tmp_var): Remove.
3552 (find_new_referenced_vars_1): Use add_referenced_var.
3553 * tree-ssa-pre.c (create_expression_by_pieces,
3554 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3555 Use add_referenced_var.
3556 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3557 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3558 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3560 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3561 vect_create_data_ref_ptr, vect_create_destination_var,
3562 vect_init_vector, vect_build_loop_niters,
3563 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3564 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3565 Use add_referenced_var.
3566 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3567 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3568 (add_referenced_var): Add prototype.
3569 * tree-ssa-structalias.c (get_constraint_for,
3570 intra_create_variable_infos): Use add_referenced_var.
3572 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3574 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3575 big-endian paradoxical subregs.
3576 * var-tracking.c (struct micro_operation_def): Document that,
3577 for modify micro operations, insn is the subsequent instruction.
3578 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3579 (var_reg_set, var_mem_set): ... new functions.
3580 (add_stores): Record subsequent insn.
3581 (compute_bb_dataflow): Use new functions for MO_USE.
3582 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3583 notes after the insn, and modify notes before the insn known
3584 to be the subsequent one.
3585 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3587 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3590 * config/i386/i386.c (ix86_expand_builtin): Use
3591 gen_sse3_monitor64 for TARGET_64BIT.
3593 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3595 PR rtl-optimization/26375
3596 PR rtl-optimization/26855
3597 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3599 (df_ru_bb_local_compute): Reversed statements and removed bogus
3600 comment explaining why they should be in wrong order.
3601 (df_ru_dump, df_rd_dump): Enhanced debug info.
3602 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3604 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3605 reaching uses and fixed space problem.
3607 2006-05-23 Jan Hubicka <jh@suse.cz>
3609 * cgraphunit.c (decide_is_function_needed): Also nested functions
3610 and functions declared inline can be optimized out at -O0.
3612 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3614 * doc/install.texi (Configuration): Remove reference to CrossGCC
3618 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3621 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3622 ix86_compare_emitted is non-NULL.
3624 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3627 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3630 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3632 PR rtl-optimization/25514
3633 * combine.c (replaced_rhs_insn): New variable.
3634 (combine_instructions): Set replaced_rhs_insn when trying to replace
3635 a SET_SRC with a REG_EQUAL note.
3636 (distribute_notes): Use replaced_rhs_insn when determining the live
3637 range of a REG_DEAD register.
3639 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3640 Anatoly Sokolov <aesok@post.ru>
3642 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3643 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3644 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3645 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3646 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3647 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3648 at90usb647, at90usb1286 and at90usb1287 devices.
3649 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3650 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3652 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3654 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3656 2006-05-22 Richard Guenther <rguenther@suse.de>
3659 2006-01-31 Richard Guenther <rguenther@suse.de>
3660 Paolo Bonzini <bonzini@gnu.org>
3662 * doc/install.texi (--disable-libgcc-math): Document.
3664 2006-05-22 Richard Guenther <rguenther@suse.de>
3667 2006-01-31 Richard Guenther <rguenther@suse.de>
3669 * doc/invoke.texi (-msselibm): Document.
3670 * target.h (expand_library_builtin): New target hook.
3671 * builtins.c (expand_builtin): Use expand_library_builtin.
3672 (default_expand_library_builtin): New function.
3673 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3674 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3675 (link_gcc_math_spec): Declare.
3676 (static_specs): Add link_gcc_math_spec.
3677 * expr.h (default_expand_library_builtin): Declare.
3678 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3679 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3680 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3681 * config/i386/i386.opt (msselibm): New target option.
3682 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3683 (ix86_init_sse_abi_builtins): New function.
3684 (ix86_expand_library_builtin): Likewise.
3685 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3686 (override_options): Handle error conditions wrt -msselibm.
3687 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3688 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3689 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3692 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3695 * c-common.c (self_promoting_args_p): Skip erroneous args.
3698 * c-decl.c (finish_struct): Skip erroneous fields.
3700 2006-05-22 Nick Clifton <nickc@redhat.com>
3702 * config/cris/cris.opt (march): Remove VarExists attribute.
3703 (max-stackframe=): Likewise.
3705 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3707 * doc/rtl.texi: Fix a typo.
3708 * see.c: Fix comment typos.
3710 * tree-ssa-structalias.h (alias_info): Remove num_references.
3712 2006-05-21 Mike Stump <mrs@apple.com>
3714 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3716 (darwin_pragma_options): Use BAD instead.
3717 (darwin_pragma_unused): Likewise.
3718 (darwin_pragma_ms_struct): Likewise.
3720 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3722 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3724 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3726 PR rtl-optimization/27671
3727 * simplify-rtx.c (simplify_relational_operation_1): Fix
3728 simplifications of (eq/ne (xor x y) y) and
3729 (eq/ne (xor x y) x).
3731 PR tree-optimization/26622.
3732 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3735 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3737 * tree-cfg.c: Prune whitespace.
3738 (debug_tree_cfg): Point to correct header containing the
3741 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3744 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3746 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3749 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3750 or sorry count is non zero.
3752 2006-05-20 Andreas Schwab <schwab@suse.de>
3754 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3756 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3757 Kenneth Zadeck <zadeck@naturalbridge.com>
3759 PR rtl-optimization/26855
3761 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3763 (df_scan_alloc): Added code to properly handle multiword hard
3764 registers and add all_blocks parameter.
3765 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3766 code to properly handle multiword hard registers.
3767 (df_rescan_blocks): Added code to remove deleted blocks from
3769 (df_ref_create_structure, df_ref_record): Added code to properly
3771 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3772 and set DF_REF_PARTIAL.
3773 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3774 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3775 (df_scan_add_problem): Added flags parameter.
3776 (df_ref_create_structure): Changed switching structure.
3777 (df_bb_refs_record): Fixed case where duplicate artificial refs
3778 were created. Changed location of flags.
3779 (df_record_entry_block_defs): Added code to make stack pointer
3780 live in entry block. Refined cases where frame pointer is needed.
3781 Changed location of flags.
3782 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3783 (df_set_state): Removed function.
3784 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3785 df_insn_create_insn_record, df_insn_refs_delete,
3786 df_ref_create_structure): Formatting changes.
3787 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3788 df_delete_basic_block): New function.
3789 (df_init): Changed location of flags.
3790 (df_add_problem): Added flags parameter and the way flags are
3792 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3793 debug_df_chain): Improved debugging output.
3794 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3795 (df_refs_chain_dump): Removed df parameter.
3796 (df_iterative_dataflow): Added consistency check.
3797 (df_prune_to_subcfg): Made public.
3798 (df_analyze_problem): Added blocks_to_init parameter and made
3800 (df_ref_record, df_bb_refs_record, df_mark_reg,
3801 df_record_exit_block_uses): Whitespace changes.
3802 (df_dump): Whitespace changes.
3803 * df.h: Some reordering to remove forward references.
3804 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3805 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3806 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3807 (dataflow.flags): New field.
3808 (df.flag): Deleted field.
3809 (df_alloc_function): Added additional bitmap parameter.
3810 (df_dependent_problem_function): New type.
3811 (df_problem.changeable_flags): New field.
3812 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3813 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3814 (df_mw_hardreg): New struct.
3815 (DF_INSN_UID_MWS): New macro.
3816 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3818 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3819 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3820 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3821 (df_set_state): Removed function.
3822 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3823 * df-problems.c (df_chain_dump): Removed df parameter.
3824 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3825 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3827 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3828 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3829 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3830 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3831 DF_REF_MUST_CLOBBER cases.
3832 (df_ru_bb_local_compute_process_def,
3833 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3834 df_lr_bb_local_compute, df_ur_bb_local_compute,
3835 df_chain_create_bb): Made subreg aware.
3836 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3837 df_lr_bb_local_compute, df_lr_bb_local_compute,
3838 df_chain_create_bb): Cleanup to use proper macros.
3839 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3840 code to fixup bitvectors.
3841 (df_ri_alloc): Cleared lifetime.
3842 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3843 df_create_unused_note): New function.
3844 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3845 REG_DEAD and REG_UNUSED notes as well as register information.
3846 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3847 df_chains_dump): Fixed crash if problem was never run.
3848 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3849 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3850 df_ri_add_problem): Processes flags in uniform manner.
3851 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3852 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3853 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3854 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3855 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3856 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3857 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3858 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3859 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3860 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3861 * see.c (see_initialize_data): Ditto.
3862 * final.c (rest_of_clean_state) Added regstack_completed.
3863 * rtl.h (regstack_completed): Ditto.
3864 * reg-stack.c (regstack_completed): Ditto.
3866 2006-05-19 Mike Stump <mrs@apple.com>
3868 * c-tree.h (default_conversion): Remove.
3869 * c-common.h (default_conversion): Add.
3871 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3873 * tree-vrp.c (valid_value_p): New function.
3874 (adjust_range_with_scev): Fail if the value of bound is not
3877 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3879 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3880 (mips_fallback_frame_state): Use syscall numbers to determine
3881 the appropriate li instruction for the current ABI. Only use
3882 __NR_sigreturn for o32.
3884 2006-05-19 Nicolas Setton <setton@adacore.com>
3886 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3887 * langhooks.c (lhd_dwarf_name): New function.
3888 * langhooks-def.h (lhd_dwarf_name): Declare.
3889 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3890 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3891 * ada/misc.c (gnat_dwarf_name): New function.
3892 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3894 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3896 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3898 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3899 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3900 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3901 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3902 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3903 determine the size of Wtype, etc.
3904 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3905 (swfloatfuncs): New variable.
3906 (dwfloatfuncs): Likewise.
3907 (lib2funcs): Remove floating-point conversion functions from
3908 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3909 the set of conversion routines needed. Allow entries to specify
3910 an object name, filename and word size. Update users accordingly.
3911 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3912 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3916 2006-02-08 Roger Sayle <roger@eyesopen.com>
3919 * config/fixtfdi.c: New libgcc source file.
3920 * config/fixunstfdi.c: New source file.
3921 * config/floatditf.c: New source file.
3922 * config/floatunditf.c: New souce file.
3923 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3924 files above instead of config/mips/_tilib.c.
3925 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3927 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3929 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3930 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3932 2006-05-18 Mike Stump <mrs@apple.com>
3934 Fix up vla, vm and [*] sematics.
3940 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3941 (c_vla_unspec_p): Add.
3942 (c_vla_type_p): Add.
3943 * c-decl.c (struct c_scope): Add had_vla_unspec.
3944 (build_array_declarator): Add support for [*].
3945 (grokdeclarator): Likewise.
3946 (grokparms): Likewise.
3947 (get_parm_info): Likewise.
3948 * c-objc-common.c (c_vla_unspec_p): Likewise.
3949 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3950 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3951 typeof when argument is a variably modified type not inside sizeof or alignof.
3952 (c_parser_direct_declarator_inner): Propagate errors.
3953 (c_parser_sizeof_expression): Add support for [*].
3954 (c_parser_parms_declarator): Initialize had_vla_unspec.
3955 (c_parser_parms_list_declarator): Likewise.
3956 * c-typeck.c (c_vla_type_p): Add.
3957 (composite_type): Add support for vla compositing.
3958 (comptypes_internal): Add support for vla compatibility.
3959 (c_expr_sizeof_expr): Evaluate vla arguments.
3960 * tree.c (variably_modified_type_p): Update comment for [*].
3962 2006-05-18 Michael Matz <matz@suse.de>
3965 * config.host: Make assignments to host_xmake_file cumulative.
3966 * config.host (*-darwin*): Test $host, not $target.
3968 2006-05-12 Stuart Hastings <stuart@apple.com>
3970 * config/i386/i386.opt (-mstackrealign): New flag.
3971 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3972 (ix86_handle_cconv_attribute): Emit error when
3973 force_align_arg_pointer attribute collides with too many regparms.
3974 (ix86_function_regparm): Limit regparms when used with
3975 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3976 Support stack-realigning prologue in non-main functions. Emit
3977 warning for nested functions under -mstackrealign, emit error for
3978 nested functions with force_align_arg_pointer attribute.
3979 * doc/extend.texi (force_align_arg_pointer): Document it.
3980 * doc/invoke.texi (-mstackrealign): Document it.
3982 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3984 PR rtl-optimization/27477
3985 * combine.c (try_combine): Don't split a parallel consisting
3986 of two sets into two individual sets if both sets reference
3989 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3991 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3992 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3994 * doc/options.texi (VarExists): Updated.
3996 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3998 * unwind-dw2.c: Add declarations for uw_update_context and
4000 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4001 detected, advance frame state and context once to skip over stub.
4003 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4007 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4008 Call rewrite_into_loop_closed_ssa only when something changed.
4009 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4010 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4011 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4012 Test for perfect_nest_p here. Fix formating.
4013 (replace_uses_equiv_to_x_with_y): Fix formating.
4014 (stmt_uses_op): Removed.
4015 (can_convert_to_perfect_nest): Removed loopivs parameter.
4016 Complete the test by checking the scalar dependences.
4017 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4020 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4023 From Dan Kegel <dank@kegel.com>:
4024 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4026 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4028 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4029 if the element type is variably modified without recursing.
4031 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4034 * tree-loop-linear.c (try_interchange_loops): Test for
4035 no data dependences.
4037 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4039 PR tree-optimization/27548
4040 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4041 range of ssa names that appear on abnormal edges.
4042 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4043 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4045 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4048 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4050 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4053 * tree.h (OMP_PARALLEL_COMBINED): Define.
4054 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4055 (new_omp_context): Add is_combined_parallel argument.
4056 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4057 new_omp_context caller.
4058 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4059 Adjust gimplify_scan_omp_clauses callers.
4060 (omp_is_private): Issue errors if iteration variable is firstprivate
4061 or reduction in the current context.
4062 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4063 on combined parallel workshare constructs.
4065 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4067 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4068 (gcc-options.o): New rule.
4070 * optc-gen.awk: Protect variables for gcc-options.o with
4071 #ifdef GCC_DRIVER/#endif.
4073 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4075 Fix PR tree-optimization/27373
4076 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4077 (forward_propagate_addr_expr): Update call.
4079 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4081 * doc/options.texi: Move the Negative option.
4083 2006-05-16 Richard Guenther <rguenther@suse.de>
4085 PR tree-optimization/22303
4086 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4088 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4089 ccp_fold did not simplify the statement.
4091 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4094 * Makefile.in (GCC_OBJS): New.
4095 (OBJS-common): Add opts-common.o.
4096 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4097 (cpp$(exeext)): Likewise.
4098 (gcc.o): Also depend on opts.h.
4099 (opts-common.o): New.
4101 * common.opt (gcoff): Add Negative(gdwarf-2).
4102 (gdwarf-2): Add Negative(gstabs).
4103 (gstabs): Add Negative(gstabs+).
4104 (gstabs+): Add Negative(gvms).
4105 (gvms): Add Negative(gxcoff).
4106 (gxcoff): Add Negative(gxcoff+).
4107 (gxcoff+): Add Negative(gcoff).
4108 * config/i386/i386.opt (m32): Add Negative(m64).
4109 (m64): Add Negative(m32).
4111 * doc/options.texi: Document the Negative option.
4113 * gcc.c: Include "opts.h".
4114 (main): Call prune_options after expandargv.
4116 * optc-gen.awk: Generate common declarations for all flag
4117 variables in options.c. Output the neg_index field.
4119 * opts.c (find_opt): Moved to ...
4120 * opts-common.c: Here. New file.
4122 * opts.h (cl_option): Add a neg_index field.
4124 (prune_options): Likewise.
4126 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4129 * omp-low.c (expand_omp_parallel): Don't assert
4130 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4131 instead search for it.
4134 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4137 2006-05-16 Andreas Schwab <schwab@suse.de>
4139 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4142 2006-05-15 Roger Sayle <roger@eyesopen.com>
4145 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4146 integer constants other than zero are only legitimate on TARGET_64BIT.
4147 <CONST_VECTOR> Only zero vectors are legitimate.
4148 (ix86_cannot_force_const_mem): Integral and vector constants can
4149 always be put in the constant pool.
4151 2006-05-16 DJ Delorie <dj@redhat.com>
4153 * crtstuff.c (__dso_handle): Set section from
4154 TARGET_LBIGCC_SDATA_SECTION if defined.
4155 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4156 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4158 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4161 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4164 2006-05-16 Ben Elliston <bje@au.ibm.com>
4166 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4168 2006-05-15 Per Bothner <per@bothner.com>
4170 * tree.c: (last_annotated_node): Use source_locus typedef.
4171 This permits bootstrapping with --enable-mapped-location.
4173 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4175 PR tree-optimization/26830
4176 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4177 (info_for_ssa_name, current_info_for_ssa_name_age,
4178 blocks_to_update): New variables.
4179 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4180 (clear_ssa_name_info, initialize_flags_in_bb,
4181 mark_block_for_update): New functions.
4182 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4183 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4184 prepare_def_site_for): Use mark_block_for_update.
4185 (mark_def_interesting): Assert that the processed block is marked in
4186 blocks_to_update. Do not take blocks argument.
4187 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4189 (rewrite_update_init_block, rewrite_update_stmt): Only process
4190 blocks with statements to rewrite.
4191 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4192 (update_ssa): Initialize and free blocks_to_update. Do not
4193 clear flags on statements. Do not use blocks bitmap.
4194 * tree.h (SSA_NAME_AUX): Removed.
4195 (struct tree_ssa_name): Removed aux field.
4196 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4198 2006-05-15 Richard Guenther <rguenther@suse.de>
4200 PR tree-optimization/27603
4201 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4202 Do computations in original type.
4204 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4206 * see.c: Code style changes such as redundant paranthesis,
4207 redundant intialization of local variables etc.
4208 (see_main): Declared now as static.
4209 * doc/invoke.texi: Update that -fsee is not enabled by
4212 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4214 * omp-low.c (check_omp_nesting_restrictions): New function.
4215 (scan_omp_1): Call it.
4218 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4219 construct, return *VAR.
4221 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4223 PR rtl-optimization/27406
4224 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4227 2006-05-14 Roger Sayle <roger@eyesopen.com>
4229 PR rtl-optimization/27538
4230 * combine.c (expand_compound_operation): Call gen_lowpart
4231 before calling simplify_shift_const.
4233 2006-05-14 Roger Sayle <roger@eyesopen.com>
4235 PR rtl-optimization/22563
4236 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4237 a fixed width bitfield, always force the intermediates into psuedos.
4239 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4242 * mkconfig.sh: Use operator = instead of == for test.
4244 2006-05-13 Nick Clifton <nickc@redhat.com>
4246 * dwarf2out.c (dbx_reg_number): Check return value from
4247 LEAF_REG_REMAP and only use it if it is valid.
4248 (multiple_reg_loc_descriptor): Likewise.
4250 2006-05-13 Richard Guenther <rguenther@suse.de>
4252 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4255 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4257 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4258 information attached to non-INSNs such as NOTEs.
4259 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4261 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4263 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4265 * config/s390/s390.md: Adjust comment describing On constraint.
4267 2006-05-11 Jan Hubicka <jh@suse.cz>
4269 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4270 to be output at -O0.
4272 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4275 * fold-const.c (size_binop): Move sanity check for arguments to
4276 the beginning of the function.
4279 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4282 2006-05-11 Richard Guenther <rguenther@suse.de>
4285 * fold-const.c (fold_unary): Handle intermediate conversion
4286 to a pointer type like intermediate conversion to an integer
4287 type in folding of (T1)(T2)var to var.
4288 Match the code to the comment in the final conversion for
4289 (T1)(T2)var to (T1)var regarding to type precision. Rather
4290 than disallow T1 being of pointer type, assert that both T1
4291 and var are of pointer type or not. Make sure not to fall
4292 over the frontends lazyness wrt array to pointer decay though.
4294 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4296 * arm.c (arm_struct_value_rtx): Delete.
4297 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4298 (arm_init_cumulative_args): Always initialize nregs to zero.
4300 2006-05-10 Richard Guenther <rguenther@suse.de>
4302 PR tree-optimization/27532
4303 * tree-object-size.c (plus_expr_object_size): Fix typo.
4305 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4308 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4309 ashrdi_const, ashrdi3): Use a scratch register.
4311 2006-05-10 Richard Guenther <rguenther@suse.de>
4313 PR tree-optimization/27302
4314 * fold-const.c (operand_equal_p): For two comparisons,
4315 try comparison of one comparison code swapped if that yields
4318 2006-05-10 Ben Elliston <bje@au.ibm.com>
4320 * tree-pretty-print.c (pretty_print_string): No need to handle
4321 '\0' as a special character.
4323 * tree.h: Include "hashtab.h".
4324 (iterative_hash_expr): Use hashval_t in its prototype.
4325 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4327 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4330 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4331 (hppa*64*-*-hpux11*): Ditto.
4332 (hppa[12]*-*-hpux11*): Ditto.
4334 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4337 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4339 2006-05-09 Michael Matz <matz@suse.de>
4341 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4342 host_extra_gcc_objs and host_xmake_file.
4343 (<*-*-linux*>): Don't overwrite host_xmake_file.
4344 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4345 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4346 (host_detect_local_cpu): Declare.
4347 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4348 * config/i386/i386.c (override_options): Handle -mtune=native
4350 * config/i386/x-i386: New file.
4351 * config/i386/driver-i386.c: New file.
4352 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4355 2006-05-09 Dirk Mueller <dmueller@suse.de>
4356 Richard Guenther <rguenther@suse.de>
4359 * fold-const.c (fold_read_from_constant_string): Relax check
4360 for matching types to matching modes.
4362 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4364 PR rtl-optimization/27335
4365 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4368 2006-05-08 Chao-ying Fu <fu@mips.com>
4369 Richard Sandiford <richard@codesourcery.com>
4371 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4372 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4373 * config/mips/mips.md (UNSPEC_SCC): New constant.
4374 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4375 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4376 (mips_emit_compare): Use it.
4377 (mips_expand_vcondv2sf): New function.
4379 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4381 Fix PR tree-optimization/27093
4382 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4383 renaming when they become not-used_alone.
4385 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4387 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4388 relocation and relocation stubs.
4390 2006-05-08 Eric Christopher <echristo@apple.com>
4392 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4395 2006-05-08 Jan Hubicka <jh@suse.cz>
4398 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4399 unused static functions are needed.
4401 2006-05-08 Roger Sayle <roger@eyesopen.com>
4404 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4405 of a reg_equiv_constant if the result is a legitimate constant.
4407 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4410 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4411 standard 80387 constants, raise the cost to prevent
4412 compress_float_constant() to generate load from memory.
4414 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4416 * config/arm/constraints.md (c): Fix a typo.
4418 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4421 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4424 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4426 (_mm_mwait): Likewise.
4428 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4430 (sse3_monitor): Make it 32bit only.
4431 (sse3_monitor64): New. 64bit monitor.
4433 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4436 * config/i386/i386.c (classify_argument): Skip fields with invalid
4439 2006-05-07 Richard Guenther <rguenther@suse.de>
4441 PR tree-optimization/27409
4442 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4443 Do not try to find zero-sized subvars.
4445 2006-05-07 Richard Guenther <rguenther@suse.de>
4447 PR tree-optimization/27136
4448 * tree-ssa-loop-niter.c (get_val_for): Correct function
4449 comment, assert requirements.
4450 (loop_niter_by_eval): Stop processing if the iterated
4451 value did not simplify.
4453 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4455 * opts.c (flag_see): remove its setting at -O3.
4457 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4459 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4460 * arm/constraints.md: New file.
4461 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4462 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4463 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4464 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4465 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4466 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4467 * arm.md: Include constraints.md.
4468 (thumb_movsi_insn): Use satisfies_constraint_J.
4469 (movhi, movqi): Use satisfies_constraint_I.
4471 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4473 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4474 for atmeg a645 device.
4476 2006-05-06 Richard Guenther <rguenther@suse.de>
4478 PR tree-optimization/27151
4479 * tree-vect-transform.c (vectorizable_condition): Punt on
4480 values that have a different type than the condition.
4482 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4485 * c-parser.c (c_parser_cast_expression): Only insert casts into
4486 hash table if pointer.
4487 * function.c (used_types_insert_helper): Rename from
4489 (used_types_insert): Call used_types_insert_helper.
4490 * function.h (used_types_insert): Accept only one argument.
4492 2006-05-05 David Edelsohn <edesohn@gnu.org>
4494 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4495 scratch with output modifier.
4497 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4500 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4501 with output modifier.
4503 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4506 * config/mips/mips.c (mips_symbolic_address_p): Return true
4507 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4508 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4510 2006-05-04 Richard Guenther <rguenther@suse.de>
4512 PR tree-optimization/14287
4513 PR tree-optimization/14844
4514 PR tree-optimization/19792
4515 PR tree-optimization/21608
4516 PR tree-optimization/27090
4517 * tree-ssa-pre.c (try_combine_conversion): New function.
4518 (compute_avail): After constructing the value-handle
4519 expression, use try_combine_conversion to combine NOP_EXPRs
4520 with previous value-handle expressions and use the result if it
4523 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4525 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4527 2006-05-04 Jan Hubicka <jh@suse.cz>
4530 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4532 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4534 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4535 that this only matches CONST_INTs. All users changed to VOIDmode
4538 * config/bfin/bfin.c: Include "optabs.h".
4539 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4541 (enum bfin_builtins): Add a number of fractional and vector builtins.
4542 (bfin_init_builtins): Likewise.
4543 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4544 (safe_vector_operand, bfin_expand_binop_builtin,
4545 bfin_expand_unop_builtin): New functions.
4546 (bfin_expand_builtin): Handle the new builtins.
4547 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4550 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4553 * Makefile.in (OBJS-common): Add see.o.
4554 (see.o): Add dependencies.
4555 * common.opt (fsee): New flag for the see optimization was added.
4556 * opts.c (flag_see): Initialized.
4557 * passes.c (init_optimization_passes, pass_see): New pass.
4558 * rtl.h (see_main): Declaration as extern.
4559 * timevar.def (TV_SEE): New.
4560 * tree-pass.h (pass_see): Declaration as extern.
4561 * invoke.texi (-fsee): Document.
4562 * recog.c (validate_simplify_insn): New function.
4563 * recog.h (validate_simplify_insn): Declaration as extern.
4564 * df-problems.c (df_chain_dump): Check for NULL.
4566 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4567 Daniel Berlin <dberlin@dberlin.org>
4569 * cfgrtl.c (insert_insn_bb_end_new): New function.
4570 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4572 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4574 * df.h (struct web_entry): Moved from web.c.
4575 (union_defs): Declaration as extern.
4576 (unionfind_root): Likewise.
4577 (unionfind_union): Likewise.
4578 * web.c (struct web_entry): Moved to df.h.
4579 (unionfind_root): Remove static declaration.
4580 (unionfind_union): Likewise.
4581 (union_defs): Likewise and generalize to use callback function.
4582 (web_main): Update arguments for union_defs function call.
4584 2006-05-04 Richard Guenther <rguenther@suse.de>
4586 PR tree-optimization/26447
4587 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4588 produce SSA_NAME copies before the store stmt to avoid
4589 breaking exception handling.
4591 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4594 * gimplify.c (omp_is_private): If var is shared in some outer context,
4595 return false instead of true. Stop searching on parallel context
4598 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4601 * coverage.c: Use get_gcov_unsigned_t() instead of
4602 unsigned_type_node all over.
4604 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4606 PR tree-optimization/27381
4607 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4608 maintain the same immediate_use links.
4609 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4610 node rather than segfaulting.
4612 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4615 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4616 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4617 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4619 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4621 Fix PR tree-optimization/26626
4622 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4624 * tree-ssa-operands.c (access_can_touch_variable): Allow
4625 typecasting through union pointers.
4627 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4630 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4631 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4632 to find if var will be a global variable even in the nested context.
4633 (omp_copy_decl): Only check for global variable at the end, it might
4634 be overridden in outer contexts.
4635 (scan_sharing_clauses): For global variables don't create a field.
4636 (lower_rec_input_clauses): Do nothing for global shared variables.
4637 Emit a barrier at the end of ILIST if there were any decls in both
4638 firstprivate and lastprivate clauses.
4639 (lower_send_clauses): Do nothing for global variables except for
4642 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4644 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4645 of the correct signedness is returned.
4647 2006-05-02 Jeff Law <law@redhat.com>
4649 PR tree-optimization/27364
4650 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4651 multiply expressions.
4653 2006-05-02 Tom Tromey <tromey@redhat.com>
4655 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4657 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4660 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4661 -mthumb -fPIC are used.
4663 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4664 Joshua Kinard <kumba@gentoo.org>
4667 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4668 with 64-bit pointers.
4670 2006-05-02 Paul Brook <paul@codesourcery.com>
4672 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4674 (create_fix_barrier): Check that a suitable barrier location is
4676 (arm_reorg): Include ftmp->address in allowable range of addresses.
4678 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4681 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4684 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4687 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4688 around RESULT_DECL for result passed by reference.
4689 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4690 * omp-low.c (use_pointer_for_field): Don't look at
4691 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4692 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4693 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4694 time or var for passing by reference for
4695 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4696 TREE_ADDRESSABLE variables when passing by reference.
4698 * omp-low.c (dump_omp_region): Fix output formatting.
4701 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4702 (expand_omp_parallel): Likewise.
4703 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4706 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4707 on statement list containing also constructors and destructors.
4708 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4711 * except.c (duplicate_eh_regions): Fix clearing of
4712 cfun->eh->region_array entries.
4714 2006-05-01 DJ Delorie <dj@redhat.com>
4716 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4718 (gcc_cv_objdump): Likewise.
4719 * configure: Regenerated.
4721 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4724 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4725 templates for case 3 and 4.
4727 2006-05-01 DJ Delorie <dj@redhat.com>
4729 * vec.c: Include bconfig.h when appropriate.
4730 * Makefile.in (build/vec.o): Adjust dependencies.
4731 * mkconfig.sh: Make sure config.h isn't used for build machine
4734 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4736 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4738 (mark_phi_for_rewrite): New function.
4739 (insert_phi_nodes_for, mark_use_interesting): Call
4740 mark_phi_for_rewrite.
4741 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4742 (update_ssa): Initialize and free phis_to_rewrite.
4744 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4746 PR rtl-optimization/27291
4747 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4748 folded to a constant.
4750 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4752 PR tree-optimization/27283
4753 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4754 not whole # of iteration descriptions.
4755 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4756 uses abnormal ssa name.
4757 (niter_for_single_dom_exit): Ditto.
4758 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4759 return just the number of iterations.
4761 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4763 PR tree-optimization/27144
4764 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4765 (record_estimate): Only record constant upper bound.
4766 (infer_loop_bounds_from_undefined): Call
4767 compute_estimated_nb_iterations just once.
4768 (proved_non_wrapping_p): Renamed to ...
4769 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4770 (convert_step_widening, scev_probably_wraps_p): Call
4771 n_of_executions_at_most instead of proved_non_wrapping_p.
4772 (substitute_in_loop_info): Do not replace values in bounds.
4773 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4776 2006-05-01 Richard Henderson <rth@redhat.com>
4779 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4780 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4783 2006-05-01 Roger Sayle <roger@eyesopen.com>
4785 * c-typeck.c (parser_build_binary_op): Don't call the function
4786 unsigned_conversion_warning to spot operand/result type overflow.
4787 (build_binary_op): Instead, call convert_and_check instead of
4788 convert to report the problem when the operands are promoted.
4789 * c-common.c (unsigned_conversion_warning): Make static.
4790 * c-common.h (unsigned_conversion_warning): Delete prototype.
4792 2006-05-01 Richard Guenther <rguenther@suse.de>
4794 PR tree-optimization/26726
4795 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4797 (find_interesting_uses_address): ... we work around here
4798 by folding INDIRECT_REFs in the substituted base.
4800 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4802 * omp-low.c (dump_omp_region): Add newlines.
4804 2006-04-30 Roger Sayle <roger@eyesopen.com>
4806 * common.opt (Woverflow): New command line option.
4807 * c-common.c (constant_expression_warning): Check warn_overflow.
4808 (overflow_waring): Pass OPT_Woverflow to warning.
4809 (unsigned_conversion_warning): Likewise.
4810 (convert_and_check): Likewise.
4811 * doc/invoke.texi: Document new command line option.
4813 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4815 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4816 TARGET_NO_FP_IN_TOC for section anchors.
4817 (optimization_options): Enable section anchors for all
4818 non-"Objective" languages.
4820 2006-04-28 Eric Christopher <echristo@apple.com>
4822 * config/darwin-c.c (darwin_ms_struct): Move this
4823 (darwin_set_default_type_attributes): and this...
4824 * config/darwin.c: ... here.
4825 * config/darwin.h (darwin_ms_struct): Declare.
4827 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4829 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4831 2006-04-28 Roger Sayle <roger@eyesopen.com>
4834 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4835 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4836 an unsigned HOST_WIDE_INT.
4837 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4839 (really_start_incremental_init): No need to call convert because
4840 bitsize_zero_node is already of type bitsizetype.
4841 (push_init_level): Extract the value of constructor_index as an
4842 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4843 (process_init_element): Likewise.
4845 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4847 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4848 value before passing to make_relative_prefix.
4850 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4853 * builtins.c (expand_builtin_memset): Expand val in original mode.
4855 2006-04-27 Eric Christopher <echristo@apple.com>
4857 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4858 with #ifndef/#endif.
4859 * config/darwin-c.c (darwin_ms_struct): New.
4860 (darwin_pragma_ms_struct): Ditto.
4861 (darwin_set_default_type_attributes): Ditto.
4862 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4863 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4864 Register ms_struct pragma.
4865 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4866 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4867 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4868 darwin_set_default_type_attributes if TARGET_MACHO.
4870 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4872 PR tree-optimization/26854
4873 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4874 * doc/tree-ssa.texi: Update immuse iterator documentation.
4875 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4876 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4877 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4878 first_safe_imm_use, next_safe_imm_use): Remove.
4879 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4880 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4881 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4882 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4883 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4884 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4885 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4886 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4887 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4888 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4889 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4890 (perfect_nestify): Use new iterator.
4891 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4893 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4894 (next_imm_name): New field in struct immediate_use_iterator_d.
4895 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4896 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4897 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4898 * tree-cfg.c (replace_uses_by): Use new iterator.
4899 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4900 * tree-ssa-operands.c (correct_use_link): Remove.
4901 (finalize_ssa_use_ops): No longer call correct_use_link.
4903 2006-04-27 Stuart Hastings <stuart@apple.com>
4905 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4906 * config/t-darwin (crt3.o): Use it.
4907 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4908 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4909 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4910 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4911 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4914 2006-04-27 Roger Sayle <roger@eyesopen.com>
4916 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4917 size, force the intermediate into a new pseudo rather instead of
4918 performing both a bitwise AND and a bitwise IOR in memory.
4920 2006-04-27 Richard Guenther <rguenther@suse.de>
4922 PR rtl-optimization/26685
4923 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4924 this one "max-flow-memory-locations".
4926 2006-04-27 Richard Guenther <rguenther@suse.de>
4928 PR tree-optimization/25148
4929 * tree-vrp.c (compare_values): Remove code dealing with
4930 comparisons against type min/max value. Honour overflow
4931 and negative constants in code dealing with comparisons
4932 of plus and minus expressions.
4933 (value_inside_range): Use fold_binary with LE_EXPR and
4934 GE_EXPR rather than compare_values.
4936 2006-04-27 Dirk Mueller <dmueller@suse.de>
4938 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4941 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4943 * basic-block.h (safe_insert_insn_on_edge): Removed.
4944 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4946 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4947 Paolo Bonzini <bonzini@gnu.org>
4950 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4951 (simplify_and_const_int): Same.
4953 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4955 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4957 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4960 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4961 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4962 cgraph_global_info_ready.
4965 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4968 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4969 either decl or init is error_mark_node.
4972 * tree-flow.h (struct omp_region): Add sched_kind.
4973 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4974 instead of extracting omp for data.
4975 (expand_omp_for): Save extracted sched_kind.
4977 2006-04-25 Roger Sayle <roger@eyesopen.com>
4979 * expmed.c (store_bit_field): Also check whether the bitsize is
4980 valid for the machine's "insv" instruction before moving the
4981 target into a pseudo for use with the insv.
4982 * config/i386/predicates.md (const8_operand): New predicate.
4983 * config/i386/i386.md (extv, extzv, insv): Use the new
4984 const8_operand predicate where appropriate.
4986 2006-04-25 DJ Delorie <dj@redhat.com>
4988 * doc/install.texi (Specific): Clarify that this is not a list of
4989 supported hosts or targets.
4991 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4993 PR rtl-optimization/26725
4994 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4995 block's BB_DIRTY flag.
4997 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4999 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5002 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5003 to print an integer.
5005 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5007 * varasm.c (align_variable): New function.
5008 (get_block_for_decl): Apply align_variable to DECL before
5009 calculating section information.
5010 (assemble_variable): Split out alignment computation.
5012 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5014 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5017 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5019 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5020 MODE_PARTIAL_INT mode.
5021 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5022 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5024 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5025 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5027 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5029 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5031 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5032 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5033 MACFLAG_IH): Likewise.
5034 (movstricthi_1): Renamed from "*movstricthi".
5035 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5036 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5037 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5038 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5039 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5040 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5041 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5042 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5043 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5044 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5045 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5046 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5047 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5048 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5049 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5051 * doc/rtl.texi (ss_ashift): Improve wording.
5053 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5055 * dwarf2out.c (verify_marks_clear): New.
5056 (prune_unused_types): Call verify_marks_clear initially, not
5059 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5061 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5062 * doc/rtl.texi: Document them.
5063 * simplify-rtx.c (simplify_unary_operation,
5064 simplify_binary_operation_1): Don't abort when we see them.
5066 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5069 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5070 * configure.ac: Completely disregard languages that are not
5072 * configure: Regenerated.
5074 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5075 Richard Guenther <rguenther@suse.de>
5077 PR tree-optimization/27236
5078 * tree-inline.c (copy_body_r): Make sure to copy
5079 TREE_THIS_VOLATILE flag.
5081 2006-04-24 Richard Guenther <rguenther@suse.de>
5084 * tree-complex.c (update_parameter_components): Don't handle
5085 unused parameters which have no default def.
5087 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5088 Richard Guenther <rguenther@suse.de>
5090 PR tree-optimization/27218
5091 * tree-inline.c (expand_call_inline): Strip useless type
5092 conversions for the return slot address.
5094 2006-04-24 Richard Guenther <rguenther@suse.de>
5096 * cfgloop.h (struct loops): Remove unused field array. Reorder
5098 (LOOP_PREFETCH): Remove.
5100 2006-04-24 Richard Guenther <rguenther@suse.de>
5102 PR tree-optimization/22525
5103 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5104 variable, adjust types of generated expressions.
5106 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5108 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5109 (tree-vect-patterns.o): Likewise.
5111 (cselib.o): Likewise.
5112 (loop-doloop.o): Likewise.
5113 (regclass.o): Likewise.
5114 (reload1.o): Likewise.
5115 (explow.o): Replace target.h with $(TARGET_H).
5116 (ipa-prop.o): Likewise.
5117 (ipa-cp.o): Likewise.
5118 (ipa-inline.o): Likewise.
5119 (reorg.o): Likewise.
5120 (reg-stack.o): Likewise.
5122 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5124 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5126 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5128 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5130 * configure.ac: Completely disregard languages that are not
5132 * configure: Regenerated.
5135 * c-common.h (c_build_bitfield_integer_type): Declare.
5136 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5137 * c-common.c (c_build_bitfield_integer_type): ... here.
5139 2006-04-23 Roger Sayle <roger@eyesopen.com>
5142 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5143 a SImode SUBREG of a floating point register after no_new_pseudos.
5145 2006-04-23 Roger Sayle <roger@eyesopen.com>
5147 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5148 identify potentially eliminable registers to additionally catch
5149 VIRTUAL_INCOMING_ARGS_REGNUM.
5150 (addsi3): Update the conditions on when to use addsi_small_int.
5152 2006-04-23 Roger Sayle <roger@eyesopen.com>
5155 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5156 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5157 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5159 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5161 * fold-const.c (range_predecessor): Use operand_equal_p
5162 as the predicate for equality.
5163 (range_successor): Likewise.
5165 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5168 * config/soft-fp/op-common.h: Fix a typo.
5170 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5173 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5174 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5176 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5178 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5180 * doc/tm.texi: Fix a typo.
5182 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5184 * dwarf2out.c (struct die_struct): Document that die_sib makes
5185 a circular linked list.
5186 (FOR_EACH_CHILD): New.
5187 (reverse_die_lists): Delete.
5188 (reverse_all_dies): Delete.
5189 (add_dwarf_attr): Correct documentation.
5190 (remove_child_with_prev): New.
5191 (remove_child_TAG): Update for change to die_struct, use
5192 remove_child_with_prev.
5193 (add_child_die): Update for change to die_struct.
5194 (splice_child_die): Use remove_child_with_prev and add_child_die.
5195 (print_die): Use FOR_EACH_CHILD.
5196 (die_checksum): Likewise.
5197 (assign_symbol_names): Likewise.
5198 (output_location_lists): Likewise.
5199 (build_abbrev_table): Likewise.
5200 (calc_die_sizes): Likewise.
5201 (mark_dies): Likewise.
5202 (unmark_dies): Likewise.
5203 (unmark_all_dies): Likewise.
5204 (output_die): Likewise.
5205 (prune_unused_types_mark): Likewise.
5206 (prune_unused_types_walk): Likewise.
5207 (same_die_p): Update for change to die_struct.
5208 (break_out_includes): Likewise.
5209 (prune_unused_types_prune): Likewise.
5210 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5211 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5213 (dwarf2out_finish): Don't call reverse_all_dies.
5215 2006-04-21 Eric Christopher <echristo@apple.com>
5217 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5218 in comments and function names.
5220 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5223 * c-typeck.c (digest_init): Robustify.
5225 * c-typeck.c (pop_init_level): Simplify.
5227 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5229 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5231 2006-04-21 Paul Brook <paul@codesourcery.com>
5233 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5234 hardware floating point.
5236 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5238 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5241 2006-04-21 Nick Clifton <nickc@redhat.com>
5243 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5246 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5249 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5250 C++ lang type in traceback table for Objective-C++.
5252 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5254 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5256 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5258 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5261 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5262 were errors. Remove check for erroneous objects.
5264 2006-04-20 Jeff Law <law@redhat.com>
5266 PR tree-optimization/26854
5267 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5268 checking for zero or one use.
5269 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5270 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5271 * tree-ssa-reassoc.c (negate_value): Similarly.
5272 (reassociate_bb): Similarly.
5274 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5276 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5277 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5278 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5280 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5282 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5283 fp regs if the last fp arg doesn't fit in regs.
5285 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5288 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5289 that the last insn has the REG_INC note.
5291 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5292 Nathan Sidwell <nathan@codesourcery.com>
5295 * stor-layout.c (update_alignment_for_field): Do not align
5297 (place_union_field): Place union field at the start of the union.
5298 (place_field): Move ERROR_MARK check later, and use the current
5299 allocation position to maintain monotonicity.
5301 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5303 * dominance.c: Include timevar.h.
5304 (calculate_dominance_info): Use TV_DOMINANCE.
5305 * timevar.def (TV_DOMINANCE): New timevar.
5306 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5308 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5310 PR rtl-optimization/14261
5311 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5312 move would be an INSV insn.
5313 (noce_process_if_block): Don't optimize if the destination is a
5314 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5316 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5318 * config/s390/s390.md: Add comments with the instructions emitted
5319 by an insn pattern if macros are used.
5321 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5323 PR rtl-optimization/26026
5324 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5325 is a known power of two shifted left a variable amount.
5327 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5329 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5330 to hash table twice when the debug_str section has SECTION_MERGE.
5332 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5334 * config/soft-fp: New directory. From glibc.
5335 * config/soft-fp/t-softfp: New.
5336 * config/soft-fp/README: New.
5337 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5338 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5339 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5340 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5341 * config.gcc: Use rs6000/t-fprules-fpbit or
5342 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5344 * config/rs6000/sfp-machine.h: New. Based on glibc.
5345 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5347 * config/rs6000/t-fprules: Remove fp-bit rules.
5348 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5349 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5350 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5351 (softfp_wrap_start, softfp_wrap_end): New.
5353 2006-04-18 DJ Delorie <dj@redhat.com>
5355 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5357 2006-04-18 Devang Patel <dpatel@apple.com>
5359 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5361 2006-04-18 Nick Clifton <nickc@redhat.com>
5363 * config/sh/t-symbian: Add rule to build sh-c.o
5364 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5365 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5366 (sh_symbian_encode_section_info): Likewise.
5368 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5370 * builtins.c (expand_builtin_strcmp): Cover label definition of
5371 do_libcall with HAVE_cmpstrnsi.
5373 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5375 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5377 * function.h (temp_slot_p): New.
5378 (function): Change the type of x_used_temp_slots to
5379 VEC(temp_slot_p,gc) *.
5381 2006-04-18 Nick Clifton <nickc@redhat.com>
5383 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5384 flag_strength_reduce.
5386 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5388 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5392 Partial revert of revision 112637
5393 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5394 Dale Johannesen <dalej@apple.com>
5397 * regclass.c (struct reg_pref): Update documentation.
5398 (regclass): Set prefclass to NO_REGS if memory is the best option.
5399 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5401 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5403 PR tree-optimization/26821
5404 * tree-ssa-math-opts.c (get_constant_one): New.
5405 (insert_reciprocals): Use it.
5407 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5409 * dwarf2out.c (free_AT): Delete.
5410 (remove_AT): Update string ref counts.
5411 (remove_child_TAG): Don't call free_die.
5413 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5414 or DW_TAG_GNU_EINCL.
5415 (prune_unused_types_walk_attribs): Reset string refcounts.
5416 (prune_unused_types_update_strings): New.
5417 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5418 call free_die. Do call prune_unused_types_update_strings.
5419 (prune_unused_types): Empty debug_str_hash.
5421 2006-04-17 Roger Sayle <roger@eyesopen.com>
5423 * expr.c (expand_assignment): Optimize away no-op moves where the
5424 source and destination are equal and have no side-effects.
5426 2006-04-17 Richard Guenther <rguenther@suse.de>
5429 * reload.c (push_reload): Guard calls to get_secondary_mem
5432 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5434 * alias.c (reg_base_value, old_reg_base_value): Change the
5435 type to VEC(rtx,gc) *.
5436 (REG_BASE_VALUE, find_base_value, record_set,
5437 init_alias_analysis): Use VEC instead of VARRAY.
5439 * alias.c (alias_sets): Change the type to
5440 VEC(alias_set_entry,gc) *.
5441 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5442 VEC instead of VARRAY.
5443 (last_alias_set): Remove.
5445 * cgraph.h (cgraph_edge_p): New.
5446 Update the prototype of cgraph_function_versioning.
5447 * cgraphunit.c (cgraph_copy_node_for_versioning,
5448 cgraph_function_versioning): Use VEC instead of VARRAY.
5449 * ipa-cp.c (ipcp_insert_stage): Likewise.
5451 2006-04-16 Roger Sayle <roger@eyesopen.com>
5454 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5455 "A op B" or "A op C", we may need to convert A to the type of B and C.
5457 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5459 * target.h (struct gcc_target): Add mode_rep_extended.
5460 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5461 (init_num_sign_bit_copies_in_rep): Initialize it using
5463 (truncate_to_mode): Use it.
5464 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5465 * targhooks.h (default_mode_rep_extended): Declare it.
5466 * targhooks.c (default_mode_rep_extended): Define it.
5467 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5468 default_mode_rep_extended.
5469 (TARGET_INITIALIZER): Include it.
5470 * doc/tm.texi (Misc): Document it.
5471 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5472 (mips_truncated_to_mode): New function.
5474 2006-04-16 Roger Sayle <roger@eyesopen.com>
5477 * expr.c (compress_float_constant): Copy the narrow constant into
5478 a new pseudo before extending it to its final width.
5480 2006-04-16 Roger Sayle <roger@eyesopen.com>
5481 Andrew Pinski <pinskia@gcc.gnu.org>
5482 Dale Johannesen <dalej@apple.com>
5485 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5486 special case code to implement V8HImode and V16QImode with SSE2.
5488 2006-04-15 Roger Sayle <roger@eyesopen.com>
5490 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5491 trees are constructed with a suitable tree type.
5493 2006-04-15 Roger Sayle <roger@eyesopen.com>
5495 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5496 (integer_onep): Likewise.
5497 (integer_all_onesp): Likewise.
5498 (integer_pow2p): Likewise.
5499 (integer_nonzerop): Likewise.
5500 (real_zerop): Likewise.
5501 (real_onep): Likewise.
5502 (real_twop): Likewise.
5503 (real_minus_onep): Likewise.
5504 (int_size_in_bytes): Likewise.
5505 (host_integerp): Likewise.
5507 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5509 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5510 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5511 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5513 * tree-ssa-structalias.h (alias_info): Remove num_references.
5515 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5517 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5518 (output_bvb patterns): Likewise.
5519 * pa.c (output_bb): Use 'bb' insn for long branch case.
5520 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5521 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5522 1. Correct length operand for alternatives 1 and 2.
5523 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5524 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5526 2006-04-14 Roger Sayle <roger@eyesopen.com>
5528 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5529 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5530 were accidentally reverted by r112959.
5532 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5535 * except.h (eh_region_outermost): New prototype.
5536 * except.c (eh_region_outermost): New function.
5537 * tree-cfg.c (find_outermost_region_in_block): Use it.
5539 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5541 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5543 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5544 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5545 (init_reload, reload): Use VEC instead of VARRAY.
5546 * reload.h: Update the prototype for
5547 reg_equiv_memory_loc_varray.
5549 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5550 Eric Botcazou <ebotcazou@libertysurf.fr>
5552 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5555 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5558 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5559 to expand fallback builtin function call.
5561 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5564 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5565 and emit libcall here in case the builtin fails.
5566 (expand_builtin_strcmp): Always emit the libcall here on failure.
5568 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5570 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5571 * flow.c (reg_n_info): Change the type to
5572 VEC(reg_info_p,heap) *.
5573 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5575 * regs.h (reg_info_p): New.
5576 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5577 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5578 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5581 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5583 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5585 * params.h (MAX_SCHED_READY_INSNS): New macro.
5586 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5587 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5588 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5589 the ready list for 1 cycle during the first scheduling pass.
5590 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5592 2006-04-13 Richard Henderson <rth@redhat.com>
5595 * gimple-low.c (lower_omp_directive): Remove dead code.
5596 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5597 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5598 * omp-low.c (struct omp_region): Move to tree-flow.h.
5599 (root_omp_region): Export.
5600 (omp_regions, lookup_omp_region): Remove.
5601 (determine_parallel_type): Update for struct omp_region changes.
5602 (dump_omp_region): Dump regions with block numbers.
5603 (new_omp_region): Take type and block instead of stmt; malloc
5605 (free_omp_region_1, free_omp_regions): New.
5606 (expand_parallel_call): Take entry_stmt as argument; update for
5607 changes to omp_region.
5608 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5609 (remove_exit_barriers): New.
5610 (expand_omp_parallel): Update for struct omp_region changes.
5611 (expand_omp_synch): Likewise.
5612 (expand_omp): Likewise.
5613 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5614 (expand_omp_for_static_chunk): Likewise.
5615 (expand_omp_for): Likewise.
5616 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5617 (expand_omp_sections): Similarly, with GOMP_sections_end.
5618 (expand_omp_single): New.
5619 (build_omp_regions_1): Update for OMP_CONTINUE.
5620 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5621 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5622 OMP_SECTIONS_SECTIONS.
5623 (lower_omp_single_simple): Don't emit barrier here.
5624 (lower_omp_single_copy): Likewise.
5625 (lower_omp_single): Fix bindings, and lower to straightline now.
5626 (lower_omp_master, lower_omp_ordered): Likewise.
5627 (lower_omp_critical): Likewise.
5628 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5629 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5630 omp edges, free it afterward.
5631 (make_omp_sections_edges): Remove.
5632 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5633 (move_stmt_r): Handle OMP_CONTINUE.
5634 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5635 statement pointers to basic blocks. Add type member.
5636 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5637 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5638 * tree-inline.c (estimate_num_insns_1): Likewise.
5639 * tree-pretty-print.c (dump_generic_node): Likewise.
5640 * tree-ssa-operands.c (get_expr_operands): Likewise.
5641 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5642 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5643 (OMP_CONTINUE): New.
5644 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5645 (OMP_SECTIONS_SECTIONS): Remove.
5646 (OMP_SECTION_LAST): New.
5647 (OMP_RETURN_NOWAIT): New.
5649 2006-04-13 Roger Sayle <roger@eyesopen.com>
5651 * fold-const.c (native_encode_vector, native_interpret_real):
5652 Correct obvious mistakes in the previous check-in.
5654 2006-04-13 Roger Sayle <roger@eyesopen.com>
5656 * fold-const.c (native_encode_expr): New function to encode
5657 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5658 or VECTOR_CST into a specified buffer.
5659 (native_encode_int): New function.
5660 (native_encode_real): New function.
5661 (native_encode_complex): New function.
5662 (native_encode_vector): New function.
5663 (native_interpret_expr): Inverse of native_encode_expr to convert
5664 a target representation into an INTEGER_CST, REAL_CST etc...
5665 (native_interpret_int): New function.
5666 (native_interpret_real): New function.
5667 (native_interpret_complex): New function.
5668 (native_interpret_vector): New function.
5669 (fold_view_convert_expr): New function to constant fold/evaluate
5670 a VIEW_CONVERT_EXPR of a suitable constant expression.
5671 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5672 Change call of build1 to fold_build1 when constructing a
5675 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5676 Ulrich Weigand <uweigand@de.ibm.com>
5679 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5682 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5685 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5686 optimize to lo_sum for DFmode if !TARGET_FPRS.
5688 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5690 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5691 delete_alias_info, compute_flow_sensitive_aliasing,
5692 group_aliases): Use VEC instead of VARRAY.
5693 * tree-ssa-structalias.c (update_alias_info): Likewise.
5694 * tree-ssa-structalias.h (alias_info): Change the type of
5695 processed_ptrs to VEC(tree,heap) *.
5697 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5700 * config/sh/lib1funcs.h: New file, broken out of:
5701 * config/sh/lib1funcs.asm.
5702 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5704 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5705 * config/sh/lib1funcs-Os-4-200.asm: New file.
5706 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5707 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5708 (EXTRA_MULTILIB_PARTS): Include it.
5709 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5710 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5711 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5712 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5715 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5717 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5718 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5719 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5721 * tree-ssa-live.h: Include vecprim.h.
5722 (tree_partition_associator_d): Change the type of
5723 first_partition to VEC(int,heap) *.
5724 (tpa_first_partition): Use VEC instead of VARRAY.
5726 * Makefile.in (GTFILES): Move functions.h after tree.h.
5727 * function.c (reset_block_changes, record_block_change,
5728 check_block_change, free_block_changes): Use VEC instead of
5730 * function.h (function): Change the type of
5731 ib_boundaries_block to VEC(tree,gc) *.
5732 * tree-inline.c (copy_cfg_body): Initialize
5733 ib_boundaries_block to NULL instead of (varray_type) 0.
5735 2006-04-12 Roger Sayle <roger@eyesopen.com>
5737 * expr.c (emit_group_store): Correct operand order in call to
5738 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5739 a SUBREG_BYTE of zero.
5741 2006-04-12 Richard Guenther <rguenther@suse.de>
5743 * profile.c (compute_branch_probabilities): Remove code
5744 encapsulated in !ir_type (), which are remanents of the
5745 removed RTL profiling code.
5746 * rtl-profile.c: Remove.
5748 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5750 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5751 magic NULL_RTX comment.
5752 (function_arg): Store entire fp arg to mem if any part should go
5754 (rs6000_arg_partial_bytes): Adjust for above change.
5756 2006-04-11 Roger Sayle <roger@eyesopen.com>
5758 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5759 if it hasn't been initialized by dwarf2out_init.
5761 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5763 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5764 symbolic constants in branch patterns.
5766 2006-04-11 Roger Sayle <roger@eyesopen.com>
5768 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5770 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5772 PR rtl-optimization/27073
5773 * gcse.c (try_replace_reg): Revert last change. Continue to search
5774 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5777 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5779 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5780 aggregate types other than record and union types.
5781 (function_arg): Likewise.
5782 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5784 (function_value): In 64-bit mode, return objects that require it
5787 2006-04-11 Roger Sayle <roger@eyesopen.com>
5789 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5791 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5793 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5795 2006-04-03 Jeff Law <law@redhat.com>
5798 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5799 alias information too.
5801 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5803 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5805 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5808 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5809 (premark_used_types_helper): New.
5810 (premark_used_types): New.
5811 (gen_subprogram_die): Call premark_used_types.
5812 (prune_unused_types_walk): Do not prune perennial dies.
5813 * function.c (used_types_insert): New.
5814 * function.h (struct function): Add used_types_hash field.
5815 (used_types_insert): Add prototype.
5816 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5817 * c-parser.c (c_parser_cast_expression): Save casted types in used
5820 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5823 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5824 rs6000_explicit_options.float_gprs.
5826 2006-04-10 Roger Sayle <roger@eyesopen.com>
5828 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5829 from ix86_expand_vector_init_low_nonzero. Take an additional
5830 one_var argument indicating which element is non-zero. Support
5831 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5832 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5833 with one_var instead of ix86_expand_vector_init_low_nonzero.
5835 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5837 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5838 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5839 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5840 build/genextract.o): Depend on vecprim.h.
5841 * cfglayout.c, df-problems.c, function.c, genextract.c,
5842 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5843 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5847 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5849 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5850 Declare VECs of this type.
5851 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5852 (remove_children): Delete.
5853 (add_dwarf_attr): Use VEC routines.
5854 (add_AT_flag): Update for changes to add_dwarf_attr.
5855 (add_AT_int): Likewise.
5856 (add_AT_unsigned): Likewise.
5857 (add_AT_long_long): Likewise.
5858 (add_AT_vec): Likewise.
5859 (add_AT_string): Likewise.
5860 (add_AT_die_ref): Likewise.
5861 (add_AT_fde_ref): Likewise.
5862 (add_AT_loc): Likewise.
5863 (add_AT_loc_list): Likewise.
5864 (add_AT_addr): Likewise.
5865 (add_AT_lbl_id): Likewise.
5866 (add_AT_lineptr): Likewise.
5867 (add_AT_macptr): Likewise.
5868 (add_AT_offset): Likewise.
5869 (add_AT_range_list): Likewise.
5870 (get_AT): Use VEC_iterate.
5871 (remove_AT): Use VEC_ordered_remove.
5872 (free_die): Fold remove_children into here; have it use VEC_iterate.
5873 (print_die): Use VEC_iterate on attrs.
5874 (reverse_die_lists): Don't reverse attr lists.
5875 (die_checksum): Use VEC_iterate on attrs.
5876 (same_die_p): Likewise.
5877 (output_location_lists): Likewise.
5878 (build_abbrev_table): Likewise.
5879 (size_of_die): Likewise.
5880 (unmark_all_dies): Likewise.
5881 (output_abbrev_section): Likewise.
5882 (output_die): Likewise.
5883 (prune_unused_types_walk_attribs): Likewise.
5885 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5887 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5889 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5892 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5894 2006-04-09 Roger Sayle <roger@eyesopen.com>
5896 * expr.c (store_constructor): Don't bother clearing target if
5897 we're about to assign a vector to it using vec_init_optab.
5899 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5901 * tree-ssa-alias.c (lhs_may_store_to): New function.
5902 (recalculate_used_alone): Handle LHS of calls.
5904 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5908 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5909 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5910 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5911 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5912 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5913 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5914 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5915 stubs. Add ".align 8" directives before all ".dword" directives.
5916 (GTHREAD_USE_WEAK): Revise comment.
5917 (TARGET_ATTRIBUTE_WEAK): Define.
5918 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5919 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5920 * stublib.c: New file.
5925 * pa.md (cbranch patterns): Revise arguments used in calls to
5926 output_cbranch, output_bb and output_bvd. Add long branch length
5928 (fbranch patterns): Handle long branches.
5929 (jump): Revise length check. Revise arguments for output_lbranch call.
5930 Add long branch length attributes.
5931 (decrement_and_branch_until_zero): Add long branch length attributes.
5932 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5933 Likewise. Revise arguments for output_parallel_addb and
5934 output_parallel_movb calls.
5935 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5936 output_parallel_movb and output_parallel_addb): Update prototypes.
5937 * pa.c (output_cbranch): Revise arguments. Correct handling of
5938 nullification in long branches.
5939 (output_lbranch): Add new argument to control extraction of delay
5941 (output_bb): Handle long branches.
5942 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5943 output_parallel_addb): Likewise.
5945 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5947 PR rtl-optimization/27073
5948 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5951 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5953 * tree.h (tree_memory_tag): Add old_used_alone.
5954 (SMT_OLD_USED_ALONE): New macro.
5955 * tree-ssa-alias.c (recalculate_used_alone): Stop
5956 marking things for renaming unnecessarily.
5958 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5960 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5961 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5962 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5963 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5964 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5965 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5966 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5967 spelling convensions.
5968 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5969 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5970 typos. Follow spelling conventions.
5972 2006-04-07 DJ Delorie <dj@redhat.com>
5974 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5975 passed on the stack.
5976 (m32c_init_cumulative_args): When a function returns a structure,
5977 always pass the pointer to that return area on the stack.
5978 (m32c_function_arg_advance): Don't increment the parameter number
5979 if we're processing the returned structure pointer.
5980 (pushm_info): Reverse order of registers.
5982 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5984 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5985 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5986 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5987 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5989 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5990 chrec_fold_multiply): Same.
5991 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5992 force_expr_to_var_cost): Same.
5993 * tree-mudflap.c (mf_xform_derefs_1): Same.
5994 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5996 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5998 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5999 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6002 2006-04-07 Jan Hubicka <jh@suse.cz>
6004 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6006 2006-04-07 Richard Guenther <rguenther@suse.de>
6008 PR tree-optimization/26135
6009 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6010 loads for store copy-prop.
6011 (copy_prop_visit_stmt): Likewise.
6013 2006-04-05 Robert Millan <robertmh@gnu.org>
6015 * config/i386/linux.h: Add a comment to mark macros that are
6016 being overriden in config/k*bsd-gnu.h.
6017 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6019 * config/knetbsd-gnu.h: Ditto.
6021 2006-04-06 Jan Hubicka <jh@suse.cz>
6025 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6028 2006-04-06 Mike Stump <mrs@apple.com>
6030 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6031 for HAVE_nonlocal_goto to be consistent.
6032 (expand_builtin_nonlocal_goto): Likewise.
6033 (expand_builtin_strcmp): Use #ifdef instead of #if
6034 for HAVE_cmpstrnsi to be consistent.
6036 2006-04-05 DJ Delorie <dj@redhat.com>
6038 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6041 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6043 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6044 got-relative addressing for anything but SImode.
6046 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6047 even if the calling function doesn't modify them.
6049 2006-04-05 Richard Guenther <rguenther@suse.de>
6051 PR tree-optimization/26919
6052 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6053 to cgraph_estimate_size_after_inlining.
6055 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6057 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6059 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6061 PR tree-optimization/26996
6062 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6063 VECTOR_TYPE variables.
6065 2006-04-05 Richard Guenther <rguenther@suse.de>
6067 PR tree-optimization/26763
6068 * fold-const.c (fold_comparison): Move folding of
6069 PTR + CST CMP PTR + CST ...
6070 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6072 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6074 * doc/install.texi (Prerequisites): Refine some wording on
6075 bootstrapping and ksh.
6076 Move the version numbers of DejaGnu here from the testing section
6077 and fix casing of names.
6078 Fix markup and clarify wording for autogen requirements.
6079 Refer to GCJ instead of just java.
6080 Refer to SVN instead of CVS.
6081 Describe diffutils as useful instead of necessary.
6082 (Downloading the source): Refer to SVN instead of CVS.
6083 Adjust a link to our web site accordingly.
6084 (Configuration): Fix casing of Bison.
6085 (Building): Refer to SVN instead of CVS.
6086 Fix a sentence on the use of Bison and remove duplicate (and
6087 incorrect) version number of Bison requirement.
6088 Remove one redundant list of packages needed for building.
6089 (Specific): Avoid reference to CVS.
6091 2006-04-04 Eric Christopher <echristo@apple.com>
6093 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6094 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6095 (rs6000_handle_struct_attribute): New.
6096 (rs6000_ms_bitfield_layout_p): Ditto.
6098 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6100 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6101 NULL for dso parameter to atexit_common.
6103 2006-04-04 Eric Christopher <echristo@apple.com>
6105 * config/i386/i386.c (machopic_output_stub): Output \t
6106 between instructions and operands.
6108 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6110 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6111 satisfies_constraint_[IL] to explicit tests on value.
6113 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6115 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6116 set_nb_iterations_in_loop): Use build_int_cst instead of
6118 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6119 build_int_cst instead of convert.
6121 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6123 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6124 new value 2 for incoming.
6125 * function.c (expand_function_start): Call struct_value_rtx
6127 * config/sparc/sparc.md: Comment updated_return.
6128 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6129 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6130 struct return if sparc_std_struct_return and incoming is 2.
6131 (print_operand): Do not adjust return if
6132 sparc_std_struct_return.
6134 2006-04-04 Roger Sayle <roger@eyesopen.com>
6136 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6137 convert in the middle-end.
6138 * expr.c (store_expr, store_constructor, get_inner_reference,
6139 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6141 * tree.c (build_range_type): Likewise.
6143 2006-04-04 Tom Tromey <tromey@redhat.com>
6145 * doc/install.texi (Prerequisites): Mention jar.
6147 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6149 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6152 2006-04-04 Matthias Klose <doko@debian.org>
6154 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6155 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6158 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6160 * doc/extend.texi (Function Attributes): Rewrite visibility
6161 attribute documentation.
6162 * doc/invoke.texi (C++ Dialect Options): Rewrite
6163 -fvisibility-inlines-hidden documentation to describe something
6164 entirely different, although in practise compatible.
6165 (Code Gen Options): Warn about system headers in -fvisibility=
6168 * doc/extend.texi (Other Builtins): Document that
6169 __builtin_nan is a compile-time constant only when its argument
6172 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6174 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6175 trying to remove TRUNCATE check if all bits outside the new mode
6176 are identical to the sign bit.
6178 2006-04-03 Jeff Law <law@redhat.com>
6180 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6181 and operand scanning in some common cases.
6183 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6184 Dale Johannesen <dalej@apple.com>
6187 * regclass.c (struct reg_pref): Update documentation.
6188 (regclass): Set prefclass to NO_REGS if memory is the best option.
6189 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6190 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6191 into account. For non-registers, equate an empty preferred
6192 reload class to a `!' in the constraint; move the if clause to
6193 do so after those that reject the insn.
6194 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6196 (find_dummy_reload): Likewise.
6197 * doc/tm.texi (Register Classes): Document what it means
6198 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6199 * config/i386/i386.c (ix86_preferred_reload_class): Force
6200 using SSE registers (and return NO_REGS for floating-point
6201 constants) if math is done with SSE.
6202 (ix86_preferred_output_reload_class): New.
6203 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6204 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6205 * config/i386/i386.md: Remove # register preferences.
6207 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6210 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6211 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6212 the type of nb_iter.
6213 (instantiate_parameters_1): Convert the operands before calling
6214 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6215 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6217 2006-04-02 Roger Sayle <roger@eyesopen.com>
6219 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6220 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6222 * dojump.c (do_jump): Likewise.
6223 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6224 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6225 gimplify_boolean_expr): Likewise.
6226 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6227 * varasm.c (array_size_for_constructor): Likewise.
6228 * tree-object-size.c (compute_object_offset): Likewise.
6230 2006-04-02 Roger Sayle <roger@eyesopen.com>
6233 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6234 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6236 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6238 PR tree-optimization/26939
6239 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6241 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6243 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6244 at_stmt. Convert the type of operands before calling
6245 build_polynomial_chrec.
6246 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6248 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6249 (instantiate_parameters_1): Convert the type of operands before calling
6250 build_polynomial_chrec.
6251 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6252 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6253 reset_evolution_in_loop): Insert asserts to check the types of the
6255 (chrec_type): Moved...
6256 (eq_evolutions_p): Use operand_equal_p.
6257 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6258 the types of the operands.
6259 (chrec_type): ...here.
6260 * tree-data-ref.c (create_data_ref): Convert the operands before
6261 calling chrec_replace_initial_condition.
6262 (same_access_functions, analyze_subscript_affine_affine,
6263 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6264 (compute_subscript_distance, analyze_ziv_subscript,
6265 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6266 analyze_miv_subscript): Convert the operands before calling
6267 chrec_fold_minus or chrec_fold_plus.
6269 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6271 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6272 the dependence_relations vector.
6273 (compute_data_dependences_for_loop): Adjust call to
6274 compute_all_dependences.
6276 2006-04-01 Roger Sayle <roger@eyesopen.com>
6277 Richard Henderson <rth@redhat.com>
6279 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6280 gimple_boolify on the condition before calling gimplify_expr.
6282 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6284 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6285 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6286 the frame size. Update to use the new macros.
6287 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6288 * config/xtensa/ieee754-df.S: Likewise.
6290 2006-03-31 Richard Henderson <rth@redhat.com>
6292 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6293 (make_edges): ... here. Control fallthru creation with a local
6294 variable. Do not play with fake edges.
6295 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6296 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6299 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6301 * dwarf2.h (DW64_CIE_ID): Define.
6302 * dwarf2out.c (DWARF_CIE_ID): Define.
6303 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6304 length header. Use DWARF_CIE_ID.
6305 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6306 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6308 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6310 * config/sh/linux-atomic.asm: New file.
6311 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6313 2006-03-31 DJ Delorie <dj@redhat.com>
6315 * config/m32c/cond.md: Set condition flags properly throughout.
6316 * config/m32c/minmax.md: Likewise.
6317 * config/m32c/prologue.md: Likewise.
6318 * config/m32c/bitops.md: Likewise.
6319 * config/m32c/muldiv.md: Likewise.
6320 * config/m32c/mov.md: Likewise.
6321 * config/m32c/addsub.md: Likewise.
6322 * config/m32c/m32c.md: Likewise.
6323 * config/m32c/jump.md: Likewise.
6324 * config/m32c/shift.md: Likewise.
6326 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6327 conditionally output the pattern for this.
6328 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6329 (m32c_compare_redundant): New.
6330 (m32c_output_compare): New.
6331 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6333 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6334 dest, not src. Allow other 4-byte modes.
6336 2006-03-30 Denis Chertykov <denisc@overta.ru>
6338 * doc/md.texi: Refer to avr/constraints.md instead of
6341 2006-03-30 Roger Sayle <roger@eyesopen.com>
6343 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6344 signed vs. unsigned comparison failures on some hosts.
6346 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6349 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6350 change to FLOAT_REGS.
6352 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6353 (rs6000_override_options): Use it.
6354 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6355 only for -mabi=spe/no-spe and -mabi=altivec.
6357 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6359 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6362 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6364 * Makefile.in: Rename docdir to gcc_docdir.
6366 2006-03-30 Roger Sayle <roger@eyesopen.com>
6369 * expr.c (emit_group_store): Optimize group stores into a pseudo
6370 register by using a paradoxical subreg to initialize the destination
6371 if the first or last member of the group specifies a "low part".
6373 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6376 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6377 * target.h (struct gcc_target.speculate_insn): Change type of the
6378 second parameter to 'int'.
6379 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6380 the second operand of the DEPS_LIST.
6381 (copy_DEPS_LIST_list): Update reference to the second operand of the
6383 * rtl.h (alloc_DEPS_LIST): Update signature.
6384 * sched-int.h (ds_t): Change typedef to 'int'.
6385 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6387 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6389 * haifa-sched.c (try_ready): Change condition to restore
6390 non-speculative pattern of the instruction.
6391 (process_insn_depend_be_in_spec): Code to keep probability of the
6392 speculative dependence non-decreasing.
6394 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6396 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6397 (single_move_for_movmem): ... this. Also change all uses.
6398 (bfin_expand_strmov): Renamed to...
6399 (bfin_expand_movmem): ... this. Also change all uses.
6400 * config/bfin/bfin.md (movstrsi): Renamed to...
6401 (movstrsi): ...this.
6403 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6405 PR tree-optimization/26830
6407 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6408 (copy_prop_visit_stmt): Remove write-only variable ann.
6409 (init_copy_prop): Check variable loop depth here. Do not simulate
6410 memory-tag and virtual operand PHIs except for store copy prop.
6412 2006-03-30 Richard Guenther <rguenther@suse.de>
6414 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6415 variants with double arguments.
6417 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6419 * genpreds.c (write_tm_constrs_h): Delete variable p.
6420 * genconditions.c (write_header): Add tm-constrs.h to included
6422 * genpeep.c (main): Add toplev.h to included headers.
6423 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6424 (build/genpeep.o): Add toplev.h dependency.
6425 * config/rs6000/constraints.md: Add "W" constraint.
6427 2006-03-29 Roger Sayle <roger@eyesopen.com>
6429 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6430 sizes by correctly testing whether the size fits a host integer.
6431 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6432 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6433 SImode range for the default sizetype and bitsizetype.
6435 2006-03-29 Roger Sayle <roger@eyesopen.com>
6437 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6438 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6439 quickly if the argument is already of the correct type.
6440 Call fold_build1 instead of build1. Tidy up blank lines.
6442 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6444 * genemit.c (main): Add tm-constrs.h to included headers.
6445 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6446 * genpeep.c (main): Add tm-constrs.h to included headers.
6447 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6448 (write_tm_constrs_h): this and write complete file.
6449 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6450 (write_insn_preds_c): Add tm-constrs.h to included headers.
6451 (gen_constrs): New variable.
6452 (parse_option): Parse "-c".
6453 (main): Invoke write_tm_constrs_h.
6454 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6455 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6456 (object_out_file): Add tm-constrs.h dependency.
6457 (insn-emit.o): Same.
6458 (insn-output.o): Same.
6459 (insn-peep.o): Same.
6460 (insn-preds.o): Same.
6461 (insn-recog.o): Same.
6462 (tm-constsr.h): New target.
6463 (s-constrs-h): New target.
6465 * config/rs6000/constraints.md: New file.
6466 * config/rs6000/rs6000.c: Include tm-constrs.h.
6467 (num_insn_constant_wide): Convert to satisfies_constraint.
6468 (rs6000_rtx_costs): Convert to satisfies_constraint.
6469 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6470 (CONST_OK_FOR_LETTER_P): Delete.
6471 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6472 (EXTRA_CONSTRAINT): Delete.
6473 (EXTRA_MEMORY_CONSTRAINT): Delete.
6474 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6475 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6476 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6477 satisfies_constraint.
6479 * config/i386/i386.c: Include tm-constrs.h.
6481 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6483 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6484 * tree-data-ref.c (find_data_references_in_loop,
6485 compute_data_dependences_for_loop): Use pointers to VEC.
6486 (analyze_all_data_dependences): Adjust calls.
6487 * tree-data-ref.h (find_data_references_in_loop,
6488 compute_data_dependences_for_loop): Adjust declarations.
6489 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6490 compute_data_dependences_for_loop.
6492 2006-03-29 Paul Brook <paul@codesourcery.com>
6494 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6497 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6499 PR tree-optimization/26859
6500 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6502 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6503 for the step after fold_convert.
6505 2006-03-29 Paul Brook <paul@codesourcery.com>
6507 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6508 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6510 2006-03-29 Paul Brook <paul@codesourcery.com>
6513 * targhooks.c (default_narrow_bitfield): New fuction.
6514 * targhooks.h (default_narrow_bitfield): add prototype.
6515 * target.h (gcc_target): Add narrow_volatile_bitfield.
6516 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6517 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6518 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6519 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6521 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6523 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6525 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6526 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6527 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6528 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6529 (s390_function_arg_float): Allow SDmode and DDmode values to be
6530 passed in floating point registers.
6531 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6532 check with SCALAR_FLOAT_MODE_P.
6533 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6535 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6537 PR tree-optimization/25985
6538 * tree-ssa-loop-niter.c (number_of_iterations_le,
6539 number_of_iterations_ne): Make comments more precise.
6540 (number_of_iterations_cond): Add only_exit argument. Use the
6541 fact that signed variables do not overflow only when only_exit
6543 (loop_only_exit_p): New.
6544 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6545 number_of_iterations_cond.
6547 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6549 PR tree-optimization/26643
6550 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6553 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6555 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6556 (divsi3_i4_int): Likewise.
6558 2006-03-28 Roger Sayle <roger@eyesopen.com>
6560 * expr.c (emit_group_store): Only create a new pseudo reg if the
6561 quantity it needs to hold isn't already a suitable pseudo.
6563 2006-03-28 Jeff Law <law@redhat.com>
6565 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6566 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6568 2006-03-28 Roger Sayle <roger@eyesopen.com>
6570 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6571 the equivalent ~X & Y, and the symmetry related transformations.
6572 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6573 ~X & Y, and symmetry related transforms.
6575 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6577 Revert my 2006-03-27 patches.
6579 2006-03-28 Roger Sayle <roger@eyesopen.com>
6581 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6582 ~(T1)X, when T1 and T2 are integer types of the same precision
6583 and (T2)X isn't an extension.
6585 2006-03-28 Jeff Law <law@redhat.com>
6587 PR tree-optimization/26796
6588 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6589 need EH edge cleanups rather than purging them immediately.
6590 (eliminate_degenerate_phis): Handle queued EH cleanups.
6592 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6594 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6597 2006-03-27 Roger Sayle <roger@eyesopen.com>
6600 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6601 cast BIT_NOT_EXPR operand to the correct type.
6603 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6605 * tree-loop-linear.c: Don't include varray.h.
6606 (gather_interchange_stats, try_interchange_loops,
6607 linear_transform_loops): Use VEC instead of VARRAY.
6608 * lambda-mat.c: Don't include varray.h.
6609 * tree-chrec.c: Same.
6610 * lambda-trans.c: Same.
6611 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6612 VEC instead of VARRAY.
6613 * tree-vectorizer.h: Idem.
6614 * tree-data-ref.c (dump_data_references,
6615 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6616 initialize_data_dependence_relation, finalize_ddr_dependent,
6617 compute_all_dependences, find_data_references_in_loop,
6618 compute_data_dependences_for_loop, analyze_all_data_dependences,
6619 free_dependence_relation, free_dependence_relations,
6620 free_data_refs): Idem.
6621 * tree-data-ref.h (data_reference_p, subscript_p): New.
6622 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6623 VEC instead of VARRAY.
6624 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6625 (find_data_references_in_loop, compute_data_dependences_for_loop,
6626 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6627 dump_data_dependence_relations, free_dependence_relations,
6628 free_data_refs): Adjust declaration.
6629 (lambda_transform_legal_p): Move declaration here...
6630 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6631 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6632 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6633 vect_analyze_data_refs): Use VEC instead of VARRAY.
6634 * lambda.h (lambda_transform_legal_p): ...from here.
6635 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6636 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6637 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6638 tree-chrec.o): Don't depend on VARRAY_H.
6640 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6642 * rtl.def (Copyright): Update date.
6643 (DEPS_LIST): Change type of the second operand to 'int'.
6644 * target.h (Copyright): Update date.
6645 (struct gcc_target.speculate_insn): Change type of the second parameter
6647 * lists.c (Copyright): Update date.
6648 (alloc_DEPS_LIST): Change signature. Update reference to the second
6649 operand of the DEPS_LIST.
6650 (copy_DEPS_LIST_list): Update reference to the second operand of the
6652 * rtl.h (Copyright): Update date.
6653 (alloc_DEPS_LIST): Update signature.
6654 * sched-int.h (Copyright): Update date.
6655 (ds_t): Change typedef to 'int'.
6656 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6658 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6660 * haifa-sched.c (Copyright): Update date.
6661 (try_ready): Change condition to restore non-speculative pattern
6663 (process_insn_depend_be_in_spec): Code to keep probability of the
6664 speculative dependence non-decreasing.
6666 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6668 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6669 shut up the compiler.
6671 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6673 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6674 to use lib prefix for target.
6675 ($(T)libic_invalidate_array_4-200.a): Likewise.
6676 ($(T)libic_invalidate_array_4a.a): Likewise.
6678 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6679 J"orn Rennecke <joern.rennecke@st.com>
6681 * superh.opt: New file.
6682 * sh.c (boardtype, osruntime): Remove.
6683 * superh.h (SUBTARGET_OPTIONS): Remove.
6684 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6686 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6687 arguments with ^ and/or [].
6689 * config.gcc (sh-*-*): Add quoting to account for quirk of
6691 Replace == with = in enable_incomplete_targets test.
6693 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6694 with MASK_LITTLE_ENDIAN.
6696 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6697 * config/sh/sh.opt: Added to some comments.
6698 * config/sh/superh.h: Removed some chaff.
6700 * config/sh/sh.opt: Add m4-[1234]00* options.
6701 * config/sh/sh.c (sh_handle_option): Likewise.
6702 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6703 (ic_invalidate_array_4-100.o): New rule.
6704 ($(T)libic_invalidate_array_4-100.a): Likewise.
6705 (ic_invalidate_array_4-200.o): Likewise.
6706 ($(T)libic_invalidate_array_4-200.a): Likewise.
6707 (ic_invalidate_array_4a.o): Likewise.
6708 ($(T)libic_invalidate_array_4a.a): Likewise.
6709 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6710 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6712 * config/sh/crt1.asm: Merged in profiling code.
6713 * config/sh/superh.h (STARTFILE_SPEC): Override.
6714 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6715 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6716 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6718 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6719 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6720 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6722 * sh.opt (mpretend-cmove): New option.
6723 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6724 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6725 (movsicc): Add TARGET_PRETEND_CMOVE code.
6727 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6729 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6730 s390_class_max_nregs): New function prototypes.
6731 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6732 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6733 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6734 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6736 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6738 * dwarf2out.c (add_location_or_const_value_attribute): Call
6739 tree_add_const_value_attribute if nothing else works.
6740 (reference_to_unused): New.
6741 (rtl_for_decl_init): Use reference_to_unused to decide whether
6742 to output an initializer.
6744 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6747 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6748 peephole removing spe frob_di_df_2.
6750 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6752 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6753 (subscript_dependence_tester_1): Declared.
6754 (print_dir_vectors, print_dist_vectors): New.
6755 (debug_data_dependence_relation): New.
6756 (dump_data_dependence_relation): Print more details.
6757 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6758 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6759 (save_dist_v, save_dir_v, add_outer_distances,
6760 build_classic_dist_vector_1): New.
6761 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6762 Don't test for lambda_vector_lexico_pos.
6763 (same_access_functions, add_multivariate_self_dist,
6764 add_other_self_distances, dir_from_dist): New.
6765 (build_classic_dir_vector): Replace implementation almost identical to
6766 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6768 (subscript_dependence_tester_1): New.
6769 (subscript_dependence_tester): Handle the lexicographically negative
6770 distance vectors by recomputing the dependence relation.
6771 (compute_affine_dependence): Remove parameter loop_nest_depth.
6772 (compute_self_dependence): Don't call compute_subscript_distance.
6773 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6774 Add a parameter for the loop_nest.
6775 (find_loop_nest_1, find_loop_nest): New.
6776 (compute_data_dependences_for_loop): Compute the loop nest, and give
6777 up if the nest is not well formed.
6778 * tree-data-ref.h (loop_p): New.
6779 (struct data_dependence_relation): Replace size_vect field with
6780 loop_nest, a vec of loops.
6781 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6782 (DDR_LOOP_NEST): New.
6783 (print_dir_vectors, print_dist_vectors,
6784 debug_data_dependence_relation): Declared.
6785 (index_in_loop_nest): New.
6786 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6787 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6790 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6792 * simplify-rtx.c (simplify_relational_operation): Call
6793 simplify_relational_operation_1 even if mode is VOIDmode.
6795 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6797 PR tree-optimization/26804
6798 * tree.h (DECL_CALL_CLOBBERED): New macro.
6799 (tree_decl_common): Add call_clobbered_flag.
6800 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6801 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6802 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6803 (mark_non_addressable): Ditto.
6804 * tree-ssa.c (verify_call_clobbered): New function.
6805 (verify_alias_info): Use it.
6806 * tree-pass.h (pass_reset_cc_flags): New prototype.
6807 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6808 (reset_cc_flags): New function.
6809 * passes.c (init_optimization_passes): Call reset_cc_flags after
6810 initializing referenced_vars.
6812 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6813 Roger Sayle <roger@eyesopen.com>
6816 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6817 to 1.0 for non-real operands. Implement A / A optimization for
6820 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6822 * config/i386/i386.c (size_cost): Correct the comment for
6823 cost of storing fp registers.
6824 (i386_cost): Likewise.
6825 (i486_cost): Likewise.
6826 (pentium_cost): Likewise.
6827 (pentiumpro_cost): Likewise.
6828 (k6_cost): Likewise.
6829 (athlon_cost): Likewise.
6830 (k8_cost): Likewise.
6831 (pentium4_cost): Likewise.
6832 (nocona_cost): Likewise.
6833 (generic64_cost): Likewise.
6834 (generic32_cost): Likewise.
6836 2006-03-24 Denis Chertykov <denisc@overta.ru>
6838 * config/avr/avr-protos.h (extra_constraint): Delete.
6839 (extra_constraint_Q): New declaration.
6840 * config/avr/constraints.md: New file.
6841 * config/avr/avr.md: Include it.
6842 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6843 (TMP_REGNO, ZERO_REGNO): Likewise.
6844 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6845 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6846 (extra_constraint): Delete.
6847 (extra_constraint_Q): Test for memory constraint 'Q'.
6848 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6849 (REG_CLASS_FROM_LETTER): Delete.
6850 (CONST_OK_FOR_LETTER_P): Delete.
6851 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6852 (EXTRA_CONSTRAINT): Delete.
6853 (TMP_REGNO): Delete.
6854 (ZERO_REGNO): Delete.
6856 2006-03-24 Jeff Law <law@redhat.com>
6858 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6859 directly. Call mark_new_vars_to_rename slightly earlier.
6861 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6863 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6865 (gen_compile_unit_die): Use new language types for Objective-C and
6867 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6868 DW_LANG_C_plus_plus.
6871 * config/t-darwin (crt3.o): Work around bug 26840.
6872 * config/darwin-crt3.c: Rewrite.
6873 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6875 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6877 * doc/invoke.texi: Document -femit-class-debug-always
6878 * common.opt: Add -femit-class-debug-always.
6880 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6882 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6883 index and base register.
6884 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6885 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6886 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6887 REGNO_OK_FOR_INDEX_P.
6888 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6890 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6891 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6892 REG_OK_FOR_BASE_P): Definitions removed.
6894 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6897 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6898 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6899 set yet or weren't marked as local yet.
6901 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6903 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6906 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6908 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6909 (rs6000_legitimate_small_data_p): Delete.
6910 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6911 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6912 and make static. Add forward declaration. Update uses.
6913 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6914 of offsettable_memref_p.
6915 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6916 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6918 2006-03-24 Jeff Law <law@redhat.com>
6920 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6921 around bug in immediate-use iterator.
6923 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6926 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6927 or __LITTLE_ENDIAN__.
6929 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6931 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6932 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6933 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6934 * config/sh/sh.opt (mdiv=): Amend description.
6935 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6936 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6937 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6938 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6939 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6940 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6941 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6942 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6943 TARGET_DIVIDE_CALL_FP.
6945 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6947 * haifa-sched.c (choose_ready): Fix type of the local variable.
6948 Move local variables. Add comment.
6949 (check_reg_live): Change signature. Make callable from debugger.
6950 * sched-int.h (check_reg_live): Update signature.
6951 * sched-ebb.c (check_reg_live): Update parameters.
6952 * sched-rgn.c (check_reg_live): Ditto.
6953 (region_head_or_leaf_p): Check pointer before dereferencing.
6954 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6955 before reload on optimization levels below 1.
6957 2006-03-23 Richard Henderson <rth@redhat.com>
6959 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6963 * config/alpha/predicates.md (local_symbolic_operand): Reject
6966 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6969 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6970 expressions which have overflowed constants.
6972 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6974 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6976 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6978 * cfgloopmanip.c (create_loop_notes): Removed.
6979 * final.c (final_scan_insn): Do not handle loop notes.
6980 * jump.c (squeeze_notes): Ditto.
6981 * cfglayout.c (skip_insns_after_block,
6982 duplicate_insn_chain): Ditto.
6983 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6985 * cfgloop.h (create_loop_notes): Declaration removed.
6987 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6989 * varasm.c (output_constant_pool): Restore fnname and fndecl
6991 (assemble_start_function): Adjust call accordingly.
6992 (assemble_end_function): Likewise.
6994 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6997 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7000 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7002 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7005 * system.h (ICE_EXIT_CODE): New macro.
7006 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7007 (diagnostic_action_after_output): Likewise.
7008 * gcc.c (fatal_ice): New function.
7009 (execute): Use it instead of fatal.
7010 (fancy_abort): Likewise.
7011 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7013 2006-03-22 Jeff Law <law@redhat.com>
7015 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7016 iv_analyze_result returning false.
7018 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7020 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7022 2006-03-22 Richard Henderson <rth@redhat.com>
7025 * except.c (duplicate_eh_regions_0): New.
7026 (duplicate_eh_region_1): Duplicate the children of the node as
7027 well as the node itself. Link them up properly.
7028 (duplicate_eh_region_2): Merge into ...
7029 (duplicate_eh_regions): ... here. Take copy_region argument, and
7030 copy only a sub-tree if asked. Simplify copying and fixup.
7031 (eh_region_outer_p): New.
7032 * except.h (duplicate_eh_regions): Update decl.
7033 (eh_region_outer_p): Declare.
7034 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7035 (lower_omp_master): Likewise.
7036 (lower_omp_ordered): Likewise.
7037 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7038 (move_stmt_r): Use it to remap labels. Handle recursion vs
7039 remap_decls_p properly.
7040 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7041 (find_outermost_region_in_block): New.
7042 (new_label_mapper): New.
7043 (move_sese_region_to_fn): Copy eh information to the new function
7045 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7047 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7050 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7052 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7053 into shared libraries.
7055 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7057 * doc/md.texi: Refer to i386/constraints.md instead of
7059 * config/i386/constraints.md: New file, extracted from...
7060 * config/i386/predicates.md: ...here.
7061 * config/i386/i386.md: Include constraints.md.
7063 2006-03-21 Jason Merrill <jason@redhat.com>
7065 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7068 * expr.c (init_block_move_fn): Force default visibility.
7069 (init_block_clear_fn): Likewise.
7070 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7071 * targhooks.c (default_external_stack_protect_fail): Likewise.
7073 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7075 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7076 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7077 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7078 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7079 (loadgp): Use mips_current_loadgp_style.
7080 (loadgp_noshared): New pattern.
7081 (sibcall_internal): Use MIPS_CALL.
7082 (sibcall_value_internal): Likewise.
7083 (sibcall_value_multiple_internal): Likewise.
7084 (call_internal): Likewise.
7085 (call_value_internal): Likewise.
7086 (call_value_multiple_internal): Likewise.
7087 (call_split): Use MIPS_CALL and add an 'S' constraint.
7088 (call_value_split): Likewise.
7089 (call_value_multiple_split): Likewise.
7090 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7091 (-mshared): New option.
7092 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7093 (mips_current_loadgp_style): Declare.
7094 * config/mips/mips.c (mips_classify_symbol): Avoid using
7095 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7096 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7097 TARGET_ABSOLUTE_ABICALLS.
7098 (override_options): Adjust comments. Improve the warning that is
7099 issued when -mabicalls and -G are used together.
7100 (mips_file_start): Remove comment.
7101 (mips_current_loadgp_style): New function.
7102 (mips_gnu_local_gp): New variable.
7103 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7105 (mips_output_function_prologue): Use mips_current_laodgp_style.
7106 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7107 the cprestore instruction.
7108 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7109 live for TARGET_ABSOLUTE_ABICALLS.
7110 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7111 (ASM_SPEC): Pass down -mshared and -mno-shared.
7112 (MIPS_CALL): New macro.
7113 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7115 * doc/invoke.texi (-mabicalls): Update documentation.
7116 (-mshared): Document.
7118 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7120 * config/ia64/unwind-hpux.c: New file.
7121 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7123 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7126 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7128 2006-03-21 Jeff Law <law@redhat.com>
7130 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7131 type conversions of a VR_VARYING source to a wider type.
7133 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7135 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7136 tm_file on Solaris 10 and later.
7137 (sparc64-*-solaris2*): Likewise.
7138 (sparc-*-solaris2*): Likewise.
7139 * config/sol26.h: Rename to config/sol2-6.h.
7140 * config/sol2-10.h: New file.
7142 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7145 * tree-ssa-pre.c (create_component_ref_by_pieces):
7148 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7151 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7152 return it immediately.
7154 2006-03-21 Michael Matz <matz@suse.de>
7156 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7158 (remove_arc, add_arc): Update num_out_arcs member.
7159 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7161 (cache_presence): New function.
7162 (compare_states_for_equiv): New function.
7163 (state_is_differed): Don't take number of outargs, adjust callers.
7164 Use new invariant for speeding up.
7165 (init_equiv_class): Create initial classes based on sorted
7167 (partition_equiv_class): Don't track out_arcs_num.
7168 (evaluate_equiv_classes): Call cache_presence on all states and
7171 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7173 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7174 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7175 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7176 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7178 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7179 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7180 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7181 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7182 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7184 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7185 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7186 (REGNO_REG_CLASS): ARGP is in PREGS.
7187 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7189 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7190 to deal with those addresses.
7191 * addresses.h: New file.
7192 * caller-save.c: Include "addresses.h".
7193 (init_caller_save): Use new base_reg_class function.
7194 * rtl-factoring.c: Include "addresses.h".
7195 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7196 * recog.c: Include "addresses.h".
7197 (preprocess_constraints): Use new base_reg_class function.
7198 * regrename.c: Include "addresses.h".
7199 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7200 functions. Keep track of a new var INDEX_CODE to compute valid
7202 (replace_oldest_value_addr): Likewise.
7203 (replace_oldest_value_mem): Use base_reg_class.
7204 * reload.c: Include "addresses.h".
7205 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7206 (find_reloads): Use new base_reg_class function.
7207 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7208 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7209 all callers and prototype changed.
7210 * reload1.c: Include "addresses.h".
7211 (maybe_fix_stack_asms): Use base_reg_class.
7212 * regclass.c: Include "addresses.h".
7213 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7214 (init_reg_autoinc): Use new base_reg_class function.
7215 (record_reg_classes): Likewise.
7216 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7217 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7218 Use new args to compute necessary class.
7220 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7221 regrename.o, rtl-factoring.o): Update dependencies.
7222 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7223 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7224 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7225 REG_OK_FOR_INDEX_P): Delete documentation.
7227 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7229 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7230 from V7 to V9 for Solaris 7 and above.
7232 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7234 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7235 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7236 argument pointers may not alias any other storage.
7237 * common.opt: Define option -fargument-noalias-anything.
7238 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7239 alias semantics is specified by flag_argument_noalias > 2.
7241 2006-03-20 Jeff Law <law@redhat.com>
7243 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7244 (pass_phi_only_cprop): Declare.
7245 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7247 * tree-ssa-dom.c (degenerate_phi_result): New function.
7248 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7249 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7250 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7251 (eliminate_degenerate_phis): Likewise.
7252 (pass_phi_only_cprop): New pass descriptor.
7253 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7254 support code. Callers updated.
7255 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7256 (store_copy_prop): Likewise.
7257 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7259 2006-03-20 Jason Merrill <jason@redhat.com>
7262 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7263 (push_visibility, pop_visibility): Likewise.
7264 * c-pragma.h: Declare them.
7266 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7268 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7270 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7271 parameter and use get_ebb_head_tail.
7272 (sh_md_init_global): Adjust uses of find_regmode_weight.
7274 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7276 * function.h (struct function) <x_tail_recursion_reentry>:
7277 Rename to x_stack_check_probe_note.
7278 (tail_recursion_reentry): Rename to stack_check_probe_note.
7279 * function.c: Replace tail_recursion_reentry with
7280 stack_check_probe_note everywhere.
7281 (expand_function_start): Only emit a note for
7282 stack_check_probe_note with -fstack-protect.
7283 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7285 * emit-rtl.c (remove_unnecessary_notes): Remove.
7286 (pass_remove_unnecessary_notes): Remove.
7287 * rtl.h (remove_unnecessary_notes): Remove prototype.
7288 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7289 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7290 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7292 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7295 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7296 (valid_in_set): Handle ARRAY_REF.
7297 Change "if min_variant or VH" to asserts.
7298 (create_component_ref_by_pieces): Handle ARRAY_REF.
7299 (create_expression_by_pieces): Likewise.
7300 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7302 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7304 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7305 is operand of switch, not str[0].
7307 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7309 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7310 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7312 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7314 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7315 end of insn_extra_address_constraint declaration.
7317 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7319 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7320 (no-sum-in-toc): Same.
7321 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7323 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7324 NO_FP_IN_TOC for -fPIC instead of mask.
7326 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7327 (BOOT_LDFLAGS): Delete.
7329 * config/rs6000/t-aix52: Same.
7331 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7332 (stmsi[345678]_power): New.
7334 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7336 * config/ia64/ia64.opt: Add empty line to end of file.
7338 2006-03-17 Richard Guenther <rguenther@suse.de>
7341 * builtins.c (get_pointer_alignment): For component style references
7342 adjust alignment to the component type alignment. Make sure
7343 to adjust alignment for component access of constants.
7345 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7347 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7350 2006-03-17 Paul Brook <paul@codesourcery.com>
7352 * doc/install.texi: Docuemnt --with-mode.
7353 * config.gcc: Add --with-mode for arm*-*-*.
7354 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7356 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7358 * sh.c (max_labelno_before_reorg): New variable.
7359 (sh_reorg): Initialize it.
7360 (find_barrier): Check max_labelno_before_reorg before using
7361 label_to_alignment. Take length of explicit alignment insns
7362 into account. When seeing a UNSPECV_CONST_END, return it.
7364 * sh.c (fixup_mova): Set mode of affected label to QImode.
7365 (untangle_mova): New function.
7366 (find_barrier): Use it. Check mode of label before decrementing
7368 (sh_reorg): Likewise.
7369 Set mode of all insns back to VOIDmode.
7371 * sh.c (MOVA_LABELREF): New macro.
7372 (mova_p, fixup_mova, sh_reorg): Use it.
7373 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7374 ADDR_DIFF_VEC matches mova.
7376 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7378 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7379 with ATTRIBUTE_UNUSED.
7381 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7383 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7384 pointer, instead of assuming it is possible to derive the
7385 correct args size from a call insn.
7387 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7389 * rtl.h (CONST_INT_P): Define.
7390 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7391 instead of GET_CODE(x) == CONST_INT.
7392 (vax_rtx_costs): Likewise.
7393 (vax_output_int_move): Likewise.
7394 (vax_output_int_add): Likewise.
7395 (legitimate_constant_address_p): Likewise.
7396 (index_term_p): Likewise.
7397 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7398 * config/vax/vax.md (and<mode>3): Likewise.
7399 (ashrsi3): Likewise.
7401 (movstricthi): Likewise.
7402 (movstrictqi): Likewise.
7403 (rotrsi3): Likewise.
7404 (five unnamed insns): Likewise.
7406 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7408 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7409 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7410 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7411 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7412 Pass to ASM_OUTPUT_DWARF_OFFSET.
7413 * dwarf2out.c (debug_frame_section): New.
7414 (output_call_frame_info): Use debug_frame_section. Pass it to
7415 dw2_asm_output_offset.
7416 (output_die): Pass appropriate section to dw2_asm_output_offset.
7417 (output_compilation_unit_header): Likewise.
7418 (output_pubnames): Likewise.
7419 (output_aranges): Likewise.
7420 (enum dw_val_class): Break dw_val_class_lbl_offset into
7421 dw_val_class_lineptr and dw_val_class_macptr.
7422 (add_AT_lbl_offset): Delete.
7423 (add_AT_lineptr): New.
7424 (add_AT_macptr): New.
7425 (AT_lbl): Expect a lineptr or macptr.
7426 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7427 (attr_checksum): Likewise.
7428 (same_dw_val_p): Likewise.
7429 (size_of_die): Likewise.
7430 (value_format): Likewise.
7431 (output_die): Likewise.
7432 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7434 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7435 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7436 * config/darwin-protos.h (darwin_file_start): New.
7437 (darwin_asm_output_dwarf_offset): New.
7438 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7439 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7441 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7442 if not EH section; simplify.
7443 (darwin_file_start): New.
7444 (darwin_asm_output_dwarf_offset): New.
7445 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7447 (DEBUG_INFO_SECTION): Likewise.
7448 (DEBUG_ABBREV_SECTION): Likewise.
7449 (DEBUG_ARANGES_SECTION): Likewise.
7450 (DEBUG_MACINFO_SECTION): Likewise.
7451 (DEBUG_LINE_SECTION): Likewise.
7452 (DEBUG_LOC_SECTION): Likewise.
7453 (DEBUG_PUBNAMES_SECTION): Likewise.
7454 (DEBUG_STR_SECTION): Likewise.
7455 (DEBUG_RANGES_SECTION): Likewise.
7456 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7457 (ASM_OUTPUT_DWARF_OFFSET): New.
7459 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7461 * config.gcc (tm_defines): Always add to previous value rather
7464 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7466 * config/mips/predicates.md (splittable_const_int_operand): New,
7467 split from move_operand.
7468 (splittable_symbolic_operand): New.
7469 (move_operand): Add commentary. Use splittable_const_int_operand.
7470 Inline mips_atomic_symbolic_constant_p.
7471 * config/mips/mips.md: Add combine splitters for handling moves
7472 of splittable_const_int_operands and splittable_symbolic_operands.
7473 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7474 (mips_split_symbol): Declare.
7475 (mips_move_integer): Declare.
7476 * config/mips/mips.c (mips_split_p): Make global.
7477 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7478 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7479 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7480 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7481 (mips_offset_within_object_p): Handle block symbols.
7482 (mips_atomic_symbolic_constant_p): Delete.
7483 (mips_cannot_force_const_mem): Return false for constants that
7484 mips_legitimize_move can handle.
7485 (mips_use_blocks_for_constant_p): New function.
7486 (mips_split_symbol): Make global.
7487 (mips_move_integer): Likewise. Add a temporary register argument.
7488 (mips_legitimize_const_move): Use splittable_const_int_operand and
7489 splittable_symbolic_operand.
7490 (mips_use_anchors_for_symbol_p): New function.
7491 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7492 (mips_split_p): Declare.
7494 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7496 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7497 (mips*-*-linux*): Likewise.
7499 2006-03-16 Roger Sayle <roger@eyesopen.com>
7500 Daniel Speyer <dspeyer@wam.umd.edu>
7503 * tree-dump.c (dump_real): New function.
7504 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7505 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7506 (tree-dump.o): Add $(REAL_H) to the dependencies.
7508 2006-03-16 Roger Sayle <roger@eyesopen.com>
7511 * real.c (real_from_string): If the mantissa is zero, don't bother
7512 parsing the exponent as the result should always be zero.
7514 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7516 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7518 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7520 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7521 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7522 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7523 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7524 ia64_sched_finish_global): New static functions to implement
7525 hooks from gcc_target.sched.
7526 (spec_check_no, max_uid, pending_data_specs): New static variables.
7527 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7528 ia64_spec_check_src_p): New static functions.
7529 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7530 (TARGET_SCHED_ADJUST_COST): Removed.
7531 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7532 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7533 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7534 TARGET_SCHED_GEN_CHECK,
7535 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7536 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7537 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7538 Fixed to handle speculation checks.
7539 (rtx_needs_barrier): Fixed to handle speculative loads and
7541 (ia64_variable_issue): Added code to count speculative loads and their
7543 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7545 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7547 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7549 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7550 (ia64_reorg): Reset stops_p to NULL after it is freed.
7551 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7552 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7553 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7555 (data_speculative, control_speculative, check_load): New attributes.
7556 (mov<mode>_advanced, mov<mode>_speculative,
7557 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7558 zero_extend<mode>di2_speculative,
7559 zero_extend<mode>di2_speculative_advanced): New patterns for
7560 data and control speculative loads.
7561 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7563 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7564 New pattern for data and control speculation checks.
7565 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7566 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7567 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7568 Auxiliary definitions for the patterns.
7569 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7570 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7572 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7574 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7575 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7576 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7577 New resource constraints.
7578 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7580 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7581 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7582 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7583 msched-in-control-spec, msched-ldc, msched-control-ldc,
7584 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7585 msched-prefer-non-control-spec-insns,
7586 msched-count-spec-in-critical-path): New flags to tune speculative
7588 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7589 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7590 msched-in-control-spec, msched-ldc, msched-control-ldc,
7591 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7592 msched-prefer-non-control-spec-insns,
7593 msched-count-spec-in-critical-path): Document new flags.
7595 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7597 * target.h (struct spec_info_def): New opaque declaration.
7598 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7599 speculate_insn, needs_block_p, gen_check,
7600 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7601 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7602 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7603 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7604 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7605 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7607 (TARGET_SCHED): Use new macros.
7608 * rtl.h (copy_DEPS_LIST_list): New prototype.
7609 * sched-int.h (struct sched_info): Change signature of new_ready field,
7610 adjust all initializations. New fields: add_remove_insn,
7611 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7612 region_head_or_leaf_p.
7613 (struct spec_info_def): New structure declaration.
7614 (spec_info_t): New typedef.
7615 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7616 recovery_block, orig_pat.
7617 (glat_start, glat_end): New variables declaraions.
7618 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7620 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7621 DETACH_LIFE_INFO, USE_GLAT.
7622 (enum SPEC_SCHED_FLAGS): New enumeration.
7623 (NOTE_NOTE_BB_P): New macro.
7624 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7625 attach_life_info, debug_spec_status, check_reg_live): New functions.
7626 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7627 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7629 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7630 * ddg.c (get_block_head_tail): Adjust all uses.
7631 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7632 (sms_sched_info): Initialize new fields.
7633 (contributes_to_priority): Removed.
7634 * haifa-sched.c (params.h): New include.
7635 (get_block_head_tail): Adjust all uses.
7636 (ISSUE_POINTS): New macro.
7637 (glat_start, glat_end): New global variables.
7638 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7639 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7640 old_last_basic_block, before_recovery, current_sched_info_var,
7641 rgn_n_insns, luid): New static variables.
7642 (insn_cost1): New function. Move logic from insn_cost to here.
7643 (find_insn_reg_weight1): New function. Move logic from
7644 find_insn_reg_weight to here.
7645 (reemit_notes, move_insn, max_issue): Change signature.
7646 (move_insn1): Removed.
7647 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7648 extend_bb): New static functions to support extension of scheduler's
7650 (generate_recovery_code, process_insn_depend_be_in_spec,
7651 begin_speculative_block, add_to_speculative_block,
7652 init_before_recovery, create_recovery_block, create_check_block_twin,
7653 fix_recovery_deps): New static functions to support
7654 generation of recovery code.
7655 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7656 restore_bb_notes, move_block_after_check, move_succs): New static
7657 functions to support ebb scheduling.
7658 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7659 functions to support handling of register live information.
7660 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7661 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7662 add_jump_dependencies): New static functions.
7663 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7664 consistancy checking.
7665 (debug_spec_status): New function to call from debugger.
7666 (priority): Added code to handle speculation checks.
7667 (rank_for_schedule): Added code to distinguish speculative instructions.
7668 (schedule_insn): Added code to handle speculation checks.
7669 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7670 Fixed to handle ebbs.
7671 (move_insn): Added code to handle ebb scheduling.
7672 (max_issue): Added code to use ISSUE_POINTS of instructions.
7673 (choose_ready): Added code to choose between speculative and
7674 non-speculative instructions.
7675 (schedule_block): Added code to handle ebb scheduling and scheduling of
7676 speculative instructions.
7677 (sched_init): Initialize new variables.
7678 (sched_finish): Free new variables. Print statistics.
7679 (try_ready): Added code to handle speculative instructions.
7680 * lists.c (copy_DEPS_LIST_list): New function.
7681 * sched-deps.c (extend_dependency_caches): New function. Move logic
7682 from create_dependency_caches to here.
7683 (get_dep_weak, ds_merge): Make global.
7684 * genattr.c (main): Code to output prototype for
7685 dfa_clear_single_insn_cache.
7686 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7687 (output_dfa_clean_insn_cache_func): Code to output
7688 dfa_clear_single_insn_cache function.
7689 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7691 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7693 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7694 New static variables.
7695 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7696 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7698 (ebb_sched_info): Initialize new fields.
7699 (get_block_head_tail): Adjust all uses.
7700 (compute_jump_reg_dependencies): Fixed to use glat_start.
7701 (schedule_ebb): Code to remove unreachable last block.
7702 (schedule_ebbs): Added code to update register live information.
7703 * sched-rgn.c (region_sched_info): Initialize new fields.
7704 (get_block_head_tail): Adjust all uses.
7705 (last_was_jump): Removed. Adjust users.
7706 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7707 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7708 Implement new hooks.
7709 (check_dead_notes1): New static function.
7710 (struct region): New fields: dont_calc_deps, has_real_ebb.
7711 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7712 (BB_TO_BLOCK): Fixed to handle EBBs.
7713 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7714 (ebb_head): New static variable.
7715 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7716 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7718 (compute_dom_prob_ps): New assertion.
7719 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7720 global_live_at_start.
7721 (init_ready_list): New assertions.
7722 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7723 (new_ready): Add support for BEGIN_CONTROL speculation.
7724 (schedule_insns): Fixed code that updates register live information
7726 (schedule_region): Fixed to handle EBBs.
7727 (init_regions): Use extend_regions and check_dead_notes1.
7728 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7729 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7730 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7731 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7732 TARGET_SCHED_GEN_CHECK,
7733 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7734 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7735 * doc/invoke.texi (max-sched-insn-conflict-delay,
7736 sched-spec-prob-cutoff): Document.
7738 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7740 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7741 inter_tick, queue_index.
7742 (struct sched_info): Change signature of init_ready_list field.
7743 Adjust all initializations.
7744 (RESOLVED_DEPS): New access macro.
7745 (ready_add): Remove prototype.
7746 (try_ready): Add prototype.
7747 * sched-rgn.c (init_ready_list): Use try_ready.
7748 (schedule_region): Initialize
7749 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7750 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7751 (init_ready_list): Use try_ready.
7752 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7753 * lists.c (remove_list_elem): Remove `static'.
7754 (remove_free_INSN_LIST_elem): New function.
7755 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7756 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7757 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7759 (readyp): New variable.
7760 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7761 change_queue_index, resolve_dep): New static functions.
7762 (try_ready): New function. Adjust callers in sched-rgn.c and
7763 sched-ebb.c to use it instead of ready_add.
7764 (clock_var): Move at the begining of file.
7765 (rank_for_schedule): Fix typo.
7766 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7767 (ready_lastpos): Enforce assertion.
7768 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7770 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7771 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7772 (queue_to_ready): Use free_INSN_LIST_list.
7773 (early_queue_to_ready): Fix typo.
7774 (schedule_block): Init readyp. Move init_ready_list call after the
7775 initialization of clock_var. Fix error in rejecting insn by
7776 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7777 that previously corrected INSN_TICKs. Add code for handling
7779 (set_priorities): Fix typo.
7780 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7781 Clarify comment and code that keeps current_sched_info->next_tail
7784 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7786 * sched-rgn.c (extend_rgns): New static function.
7787 (find_rgns): Use it.
7788 (gather_region_statistics, print_region_statistics): New static
7790 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7791 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7793 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7794 Andrey Belevantsev <abel@ispras.ru>
7796 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7797 * lists.c (unused_deps_list): New variable.
7798 (free_list): Add assertions to verify the proper distinguishing
7799 between INSN_LISTs and DEPS_LISTs.
7800 (find_list_elem, remove_list_elem, remove_list_node): New static
7802 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7803 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7804 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7805 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7807 (free_INSN_LIST_node): Likewise.
7808 * modulo-sched.c (current_sched_info): Initialize flags field.
7809 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7810 * rtl.def (DEPS_LIST): Define.
7811 * rtl.h: Declare new functions from lists.c.
7812 * sched-deps.c (spec_dependency_cache): New static variable.
7813 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7814 (add_dependence): Change return type to void. Move the logic to ...
7815 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7816 (delete_all_dependences): Add comment about forward_dependency_cache.
7817 Handle spec_dependency_cache. Handle DEPS_LISTs.
7818 (fixup_sched_groups): Clarify the change of priority of output
7819 and anti dependencies.
7820 (sched_analyze_2): Adjust add_dependence calls to create data
7821 speculative dependence.
7822 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7823 Adjust all callers. Handle DEPS_LISTS.
7824 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7825 presence of speculation.
7826 (init_dependency_caches, free_dependency_caches):
7827 Handle spec_dependency_cache.
7828 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7829 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7830 New static functions.
7831 (add_or_update_back_dep, add_or_update_back_forw_dep,
7832 add_back_forw_dep, delete_back_forw_dep): New functions.
7833 * sched-int.h (ds_t, dw_t): New typedefs.
7834 (struct sched_info): Add new field flags.
7835 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7836 Prototype new sched-deps.c functions.
7837 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7838 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7839 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7840 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7841 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7842 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7844 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7846 * sched-rgn.c (current_sched_info): Initialize flags field.
7847 (schedule_insns): Initialize current_sched_info before the sched_init
7849 * sched-ebb.c (current_sched_info): Initialize flags field.
7850 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7851 Call add_or_update_back_dep instead of add_dependence.
7852 Create control speculative dependencies.
7853 (schedule_insns): Initialize current_sched_info before the sched_init
7856 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7858 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7860 (sh_fallback_frame_state): Likewise.
7862 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7864 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7865 Do switch on default_use_cxa_atexit.
7866 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7867 * config/darwin-crt3.o: New.
7868 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7869 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7870 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7872 * config/rs6000/t-darwin: Move crt2.o building to here.
7873 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7874 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7877 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7879 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7880 from '! xxx' to '!xxx' for coding-style conformance.
7881 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7882 (EXTRA_CONSTRAINT): Likewise.
7883 * config/vax/vax.md (four unnamed insns): Likewise.
7885 2006-03-15 Paul Brook <paul@codesourcery.com>
7887 * config/arm/arm.c (minipool_pad): New.
7888 (add_minipool_forward_ref): Include pool alignment padding in address
7890 (push_minipool_fix): Set minipool_pad.
7891 (minipool_pad): Ditto.
7893 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7895 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7896 instead of GET_CODE() == MEM and REG_P() instead of
7898 (print_operand_address): Likewise.
7899 (vax_address_cost): Likewise.
7900 (vax_rtx_costs): Likewise.
7901 (vax_notice_update_cc): Likewise.
7902 (vax_output_int_add): Likewise.
7903 (INDEX_REGISTER_P): Likewise.
7904 (BASE_REGISTER_P): Likewise.
7905 (nonindexed_address_p): Likewise.
7906 (vax_mode_dependent_address_p): Likewise.
7907 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7908 (PRINT_OPERAND): Likewise.
7909 * config/vax/vax.md (ashlsi3): Likewise.
7910 (ashlsi3): Likewise.
7911 (some more unnamed insns): Likewise.
7913 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7915 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7916 iterator-style macro.
7917 (mark_control_dependent_edges_necessary): Update the use of
7918 EXECUTE_IF_CONTROL_DEPENDENT.
7920 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7922 * config/sh/predicates.md (cache_address_operand): Special.
7923 (ua_address_operand): Likewise.
7925 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7927 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7929 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7931 2006-03-15 Andreas Schwab <schwab@suse.de>
7933 * gensupport.c (identify_predicable_attribute): Don't free p_false
7934 when it is still in use.
7936 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7938 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7939 the default setting here.
7941 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7943 * tree-pass.h (pass_cfg): Remove.
7944 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7945 * passes.c (pass_cfg): Don't run it.
7947 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7949 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7950 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7952 (stack_regs_mentioned): Update the uses of
7953 stack_regs_mentioned_data. Don't access the array beyond its
7955 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7956 Don't include gt-reg-stack.h.
7958 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7959 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7961 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7964 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7967 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7969 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7971 2006-03-14 Richard Guenther <rguenther@suse.de>
7973 PR tree-optimization/26672
7974 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7977 2006-03-14 Richard Guenther <rguenther@suse.de>
7979 PR tree-optimization/26667
7980 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7981 node for the callees. Always allow inlining if it will shrink
7984 2006-03-14 Richard Guenther <rguenther@suse.de>
7987 * builtins.c (get_pointer_alignment): Prefer alignment
7988 information from decls over that from types.
7990 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7993 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7995 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7997 * config/rs6000/rs6000.opt (mdlmzb): New option.
7998 (msched-prolog, msched-epilog): Use Var not Mask.
7999 * doc/invoke.texi (-mdlmzb): Document.
8000 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8002 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8003 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8005 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8007 PR rtl-optimization/25739
8008 * bt-load.c (augment_live_range): Free tos pointer.
8010 * gensupport.c (identify_predicable_attribute): Free
8012 * gcov.c (create_file_names): Free name pointer.
8014 2006-03-13 Roger Sayle <roger@eyesopen.com>
8017 * stmt.c (emit_case_nodes): Handle the case where the index is a
8018 CONST_INT, where the comparison mode is specified by the index type.
8020 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8022 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8025 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8027 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8028 (*branch_fp_inverted): Likewise.
8030 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8033 * omp-low.c (expand_omp_for_generic): Mark istart0
8034 and iend0 as addressable.
8036 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8038 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8040 2006-03-13 Jeff Law <law@redhat.com>
8042 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8043 virtual operands are interesting.
8044 (vrp_visit_stmt): Corresponding changes.
8046 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8048 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8050 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8051 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8052 * config/bfin/crti.S: Use it instead of __PIC__.
8053 * config/bfin/crtn.S: Likewise.
8055 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8056 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8058 Lose 'G' modifier for call operand.
8059 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8060 recognize 'G' modifier.
8062 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8065 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8066 * stmt.c (expand_case): Likewise.
8068 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8070 PR rtl-optimization/26254
8071 * loop-invariant.c (seq_insns_valid_p): New function.
8072 (move_invariant_reg): Only emit new code if it is valid.
8074 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8076 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8078 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8079 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8080 (commit_one_edge_insertion): Do not look for loop notes.
8082 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8084 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8085 flag_test_coverage out of loop.
8087 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8089 * final.c (shorten_branches): Remove outdated comment, and turn
8090 the if branch that guards it to continue.
8092 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8094 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8095 * cfgloop.h (struct loop): Remove unused fields.
8097 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8099 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8100 (-dL, -fdump-rtl-loop2): Update the dump file names
8102 * doc/invoke.texi: Update dump file names.
8104 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8106 * predict.c (estimate_probability): Remove.
8107 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8108 * basic-block.h (estimate_probability): Remove prototype.
8109 * passes.c (finish_optimization_passes): Dump branch prediction or
8110 profiling heuristics to the .profile tree dump.
8111 (init_optimization_passes): Unqueue pass_branch_prob.
8113 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8115 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8117 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8118 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8120 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8122 * function.h (frame_offset_overflow): Declare.
8123 * function.c (frame_offset_overflow): New function.
8124 (assign_stack_local_1): Call it to detect that the offset overflows.
8125 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8127 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8129 * config/sh/sh.c: Include alloc-pool.h.
8130 (label_ref_list_pool): New alloc pool.
8131 (label_ref_list_t): New type for lists of labels.
8132 (struct pool_node): Make wend a label_ref_list_t.
8133 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8135 (dump_table): Likewise.
8136 (sh_reorg): Set up the alloc pool before using add_constant and
8137 dump_table, and destroy it when finishing.
8139 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8141 * config/mips/mips.c: Remove redundant comment.
8143 2006-03-10 Jason Merrill <jason@redhat.com>
8146 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8147 the target was declared 'register'.
8149 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8151 * genpreds.c (write_insn_constraint_len): Change definition of
8152 insn_constraint_len to return size_t to match the declaration.
8154 2006-03-10 DJ Delorie <dj@redhat.com>
8156 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8158 (m32c_expand_insv): Fix test for an AND mask.
8160 2006-03-10 Richard Guenther <rguenther@suse.de>
8163 * builtins.c (get_pointer_alignment): Handle component
8164 references for field alignment.
8166 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8168 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8169 when building with libgloss.
8170 (sh*elf): Implement --without-fp option.
8171 (sh64-superh-linux*): Don't multilib.
8173 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8175 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8177 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8179 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8180 Set it when one of the replacement functions returned true.
8181 Return TODO_cleanup_cfg if cfgchanged is true.
8182 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8184 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8186 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8187 instead of gen_lowpart.
8189 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8191 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8193 (mips_output_order_conditional_branch): Declare.
8194 * config/mips/mips.h (MIPS_BRANCH): New macro.
8195 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8196 for the comparison. Use gen_condjump.
8197 (mips_output_conditional_branch): Rework interface to take the
8198 asm templates for a direct branch and the inverse of a direct branch.
8199 (mips_output_order_conditional_branch): New function.
8200 (mips_builtin_branch_and_move): New function.
8201 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8202 branch condition. Use gen_single_cc as the condition for
8203 __builtin_mips_upper_* or __builtin_mips_lower_*.
8204 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8205 Use VOIDmode for the branch condition.
8206 * config/mips/predicates.md (order_operator): New predicate.
8207 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8208 (branch_fp): Rename to...
8209 (*branch_fp): ...this. Remove mode from comparison operator.
8210 Use new mips_output_conditional_branch interface.
8211 (branch_fp_inverted): Rename to...
8212 (*branch_fp_inverted): ...this and update as for *branch_fp.
8213 (*branch_zero<mode>): Rename to...
8214 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8215 Use mips_output_order_conditional_branch. Only accept ordered
8217 (*branch_zero<mode>_inverted): Rename to...
8218 (*branch_order<mode>_inverted): ...this and update as for
8219 *branch_order<mode>.
8220 (*branch_equality<mode>): Accept zero as the second operand to
8221 the equality operator. Use the new mips_output_conditional_branch
8223 (*branch_equality<mode>_inverted): Likewise.
8224 (condjump): New expander.
8225 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8227 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8228 (bc1any2t, bc1any2f): Likewise.
8229 (single_cc): New expander.
8230 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8232 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8234 * doc/md.texi: Update documentation of MIPS constraints.
8235 * config/mips/constraints.md: New file.
8236 * config/mips/mips.md: Include it.
8237 * config/mips/mips.c (mips_char_to_class): Delete.
8238 (override_options): Don't initialize mips_char_to_class.
8239 * config/mips/mips.h (mips_char_to_class): Delete.
8240 (REG_CLASS_FROM_LETTER): Delete.
8241 (CONST_OK_FOR_LETTER_P): Delete.
8242 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8243 (EXTRA_CONSTRAINT_Y): Delete.
8244 (EXTRA_CONSTRAINT_STR): Delete.
8245 (CONSTRAINT_LEN): Delete.
8246 (EXTRA_MEMORY_CONSTRAINT): Delete.
8248 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8250 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8251 original fn's eh regions.
8253 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8255 * fold-const.c (build_range_check): Make sure to use a valid type to
8256 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8259 (range_predecessor): New static function.
8260 (range_successor): Likewise.
8261 (merge_ranges): Use them to compute predecessors and successors of
8264 2006-03-09 Roger Sayle <roger@eyesopen.com>
8267 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8268 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8270 2006-03-08 DJ Delorie <dj@redhat.com>
8272 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8273 (addpsi3): Expand to include memory operands. Remove
8274 reload-specific splits.
8275 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8276 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8277 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8278 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8279 (shift1_qi, shift1_hi, insv): New.
8280 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8281 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8282 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8284 * config/m32c/m32c-protos.h: Update as needed.
8285 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8286 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8287 Fail for unrecognized R* constraints.
8288 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8289 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8290 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8292 (m32c_init_libfuncs): New.
8293 (m32c_legitimate_address_p): Add debug wrapper.
8294 (m32c_rtx_costs): New.
8295 (m32c_address_cost): New.
8296 (conversions): Add 'B' prefix.
8297 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8298 operands, or word regnames for QI operands. 'B' prints bit
8300 (m32c_expand_setmemhi): New.
8301 (m32c_expand_movmemhi): New.
8302 (m32c_expand_movstr): New.
8303 (m32c_expand_cmpstr): New.
8304 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8305 (m32c_expand_neg_mulpsi3): Handle non-ints.
8306 (m32c_cmp_flg_0): New.
8307 (m32c_expand_movcc): New.
8308 (m32c_expand_insv): New.
8309 (m32c_scc_pattern): New.
8310 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8311 a0/a1 out of SIregs.
8312 (STORE_FLAG_VALUE): New.
8313 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8316 * config/m32c/mov.md: Make constraints more liberal.
8317 (zero_extendqihi2): Optimize r0/r1 case.
8318 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8319 * config/m32c/predicates.md (m32c_any_operand): New.
8320 (m32c_nonimmediate_operand): New.
8321 (m32c_hl_operand): New.
8322 (m32c_r3_operand): New.
8325 (memsym_operand): New.
8326 (memimmed_operand): New.
8327 (a_qi_operand): New.
8328 (m32c_eqne_operator): New.
8329 (m32c_1bit8_operand): New.
8330 (m32c_1bit16_operand): New.
8331 (m32c_1mask8_operand): New.
8332 (m32c_1mask16_operand): New.
8333 * config/m32c/blkmov.md: New file.
8334 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8336 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8338 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8339 unsigned to fix signed/unsigned comparison issue in
8340 DWARF2_FRAME_REG_OUT.
8341 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8342 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8344 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8345 of ptr into the ENABLE_CHECKING section.
8347 2006-03-08 Jeff Law <law@redhat.com>
8349 * tree-vrp.c (infer_value_range): Only count pointer uses
8350 and dereferences if -fdelete-null-pointer-checks is enabled.
8352 * tree-vrp.c (find_assert_locations): Infer value ranges for
8353 single use pointers, but do not create ASSERT_EXPRs for them.
8354 When a non-null range is inferred for a pointer, backwards
8355 propagate that range to other equivalent pointers through the
8358 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8361 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8362 language hook targets.
8363 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8364 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8365 if language hook targets were missing.
8367 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8369 * tree-ssa-opfinalize.h: Removed.
8370 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8372 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8373 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8374 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8375 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8376 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8377 finalize_ssa_v_must_def_ops): New.
8379 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8381 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8384 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8386 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8388 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8389 addresses with offsets; reorganize.
8391 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8392 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8393 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8395 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8398 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8400 2006-03-08 Ben Elliston <bje@au.ibm.com>
8402 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8404 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8407 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8410 2006-03-07 Richard Guenther <rguenther@suse.de>
8412 PR tree-optimization/26587
8413 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8415 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8417 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8419 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8421 * hooks.c (hook_bool_mode_rtx_true): New function.
8422 * hooks.h (hook_bool_mode_rtx_true): Declare.
8423 * toplev.c (compile_file): Call output_shared_constant_pool.
8424 * varasm.c (shared_constant_pool): New variable.
8425 (assemble_start_function, assemble_end_function): Remove arguments
8426 from call to output_constant_pool.
8427 (create_constant_pool): New function, split out from...
8428 (init_varasm_status): ...here.
8429 (force_const_mem): Choose between the shared and per-function constant
8430 pools. Set current_function_uses_const_pool when reusing old entries
8431 as well as when creating new ones.
8432 (mark_constant): Ignore data argument.
8433 (mark_constants): Remove pool argument.
8434 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8435 to decide whether the function uses a constant pool.
8436 (output_constant_pool_contents): New function, split out from...
8437 (output_constant_pool): ...here.
8438 (output_shared_constant_pool): New function.
8439 (init_varasm_once): Initialize shared_constant_pool.
8440 * output.h (output_constant_pool): Delete.
8441 (output_shared_constant_pool): Declare.
8442 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8443 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8445 2006-03-06 Nick Clifton <nickc@redhat.com>
8447 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8448 flag_strength_reduce.
8450 2006-03-06 Ben Elliston <bje@au.ibm.com>
8452 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8453 x86_64-*-linux* configurations.
8455 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8456 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8458 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8460 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8462 * basic-block.h: Remove the extern for
8463 rediscover_loops_after_threading.
8465 * cfgloop.c (cancel_loop): Make it static.
8466 * cfgloop.h: Remove the prototype for cancel_loop.
8468 * flow.c (recompute_reg_usage): Make it static.
8469 * rtl.h: Remove the prototype for recompute_reg_usage.
8471 * function.c (use_return_register): Make it static.
8472 * function.h: Remove the prototype.
8474 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8476 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8478 * recog.h: Remove the prototype for
8479 validate_change_maybe_volatile.
8481 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8483 * rtlanal.c (replace_reg): Remove.
8484 * rtl.h: Remove the prototype for replace_reg.
8486 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8488 * regclass.c (reg_scan_update): Remove.
8489 (reg_scan_mark_refs): Remove the last argument.
8490 * rtl.h: Remove the prototype for reg_scan_update.
8492 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8494 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8495 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8496 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8497 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8498 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8499 loop-invariant.c, omp-low.c, opts.c, passes.c,
8500 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8501 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8502 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8503 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8504 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8505 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8507 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8509 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8510 * dwarf2out.h: Remove the prototype for
8511 dwarf2out_add_library_unit_info.
8513 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8515 * tree.c (add_var_to_bind_expr): Remove.
8516 * tree.h: Remove the prototype for add_var_to_bind_expr.
8518 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8520 * regclass.c (n_non_fixed_regs): Remove.
8521 (init_reg_sets_1, globalize_reg): Remove all uses of
8523 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8525 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8527 * rtlanal.c (insns_safe_to_move_p): Remove.
8528 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8530 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8532 * expmed.c (expand_mult_add): Remove.
8533 * expr.h: Remove the prototype for expand_mult_add.
8535 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8537 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8538 and REG_SAVED_VAL_EXP constants.
8539 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8540 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8541 Handle regs stored by value.
8542 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8543 (execute_cfa_program): Handle DW_CFA_val_offset,
8544 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8545 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8546 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8547 (uw_install_context_1): Handle target regs stored by value.
8549 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8551 * tree-sra.c (tree_sra): Return todoflags;
8552 (generate_one_element): Set TODO_update_smt_usage if needed.
8553 (pass_sra): Remove TODO_update_smt_usage.
8554 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8556 (tree_ssa_forward_propagate_single_use_vars): Return
8557 TODO_update_smt_usage if we need to update SMT usage.
8558 (pass_forwprop): Remove TODO_update_smt_usage.
8560 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8562 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8563 (correct_use_link): Remove reference to get_stmt_operands.
8564 (update_stmt_operands): Likewise.
8565 (get_modify_expr_operands): New function factored out of
8566 parse_ssa_operands and get_expr_operands.
8567 Try to create V_MUST_DEFs for LHS by default.
8568 (get_expr_operands) <case MODIFY_EXPR>: Call
8569 get_modify_expr_operands.
8570 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8571 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8572 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8573 get_modify_expr_operands.
8575 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8577 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8578 * tree-flow.h: Remove the prototype for
8579 referenced_var_lookup_if_exists.
8581 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8583 PR rtl-optimization/26345
8585 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8587 2006-03-03 Roger Sayle <roger@eyesopen.com>
8589 PR tree-optimization/26524
8590 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8591 fold_convert to create a constant of the appropriate type.
8593 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8595 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8596 SYMBOL_REF_IN_BLOCK_P.
8597 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8598 of SYMBOL_FLAG_IN_BLOCK.
8599 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8600 instead of SYMBOL_REF_IN_BLOCK_P.
8601 * explow.c (use_anchored_address): Likewise.
8602 * rtl.c (rtx_size): Likewise.
8603 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8604 instead of SYMBOL_FLAG_IN_BLOCK.
8605 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8606 SYMBOL_REF_IN_BLOCK_P.
8607 (assemble_variable): Likewise.
8608 (output_constant_def_contents): Likewise.
8609 (output_constant_pool): Likewise.
8610 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8611 instead of SYMBOL_FLAG_IN_BLOCK.
8612 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8613 SYMBOL_REF_IN_BLOCK_P.
8614 (SYMBOL_REF_BLOCK): Likewise.
8615 (SYMBOL_REF_OFFSET): Likewise.
8616 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8617 SYMBOL_REF_IN_BLOCK_P.
8618 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8619 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8620 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8621 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8623 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8625 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8627 2006-03-02 Roger Sayle <roger@eyesopen.com>
8629 * simplify-rtx.c (simplify_unary_operation): When simplifying
8630 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8631 that we perform the right shift in the appropriate mode, and
8632 then extend or truncate the result to requested mode.
8634 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8636 * gengtype.c (main): Handle double_int type.
8637 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8638 * double-int.c: New file.
8639 * double-int.h: New file.
8640 * system.h: Include doubleint.h.
8641 * Makefile.in (SYSTEM_H): Include double-int.h.
8642 (double-int.o): Add.
8644 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8647 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8650 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8652 * tree-vrp.c (remove_range_assertions): Do not update statements
8655 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8657 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8659 * gcse.c (rest_of_handle_gcse): Ditto.
8660 * except.c (gate_handle_eh): Ditto.
8661 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8662 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8664 2006-03-02 Eric Christopher <echristo@apple.com>
8666 * config/i386/i386.c (machopic_output_stub): Add indirection to
8669 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8673 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8675 Sun Niagara specific optimizations.
8676 * config.gcc: Recognize niagara as target.
8677 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8678 (TARGET_CPU_niagara): Define.
8679 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8680 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8681 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8682 (ASM_CPU_SPEC): Likewise.
8683 (PROCESSOR_NIAGARA): New enum entry.
8684 (REGISTER_MOVE_COST): Handle Niagara.
8685 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8686 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8687 (sparc_override_options): Recognize "niagara", set appropriate
8688 default MASK_* values for it, and align functions to 32-bytes
8689 by default just like ULTRASPARC/ULTRASPARC3.
8690 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8691 (sparc64_initialize_trampoline): Likewise.
8692 (sparc_use_sched_lookahead): Use zero for niagara.
8693 (sparc_issue_rate): Use one for niagara.
8694 * config/sparc/niagara.md: New file.
8695 * config/sparc/sparc.md: Include it.
8696 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8697 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8698 when default cpu is niagara.
8699 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8700 (ASM_CPU_SPEC): Likewise.
8701 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8702 when default cpu is niagara.
8703 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8704 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8705 just like v9/ultrasparc/ultrasparc3.
8706 * doc/invoke.texi: Add documentation for "niagara" and improve
8707 existing documentation for ultrasparc variants.
8709 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8711 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8713 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8715 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8716 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8717 and say that only one is needed.
8718 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8719 * target.h (have_switchable_bss_sections): New hook.
8720 * explow.c (use_anchored_address): Check that the symbol is in a block.
8721 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8722 (bss_noswitch_section): New variables.
8723 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8724 (get_noswitch_section): New function.
8725 (get_block_for_section): Allow SECT to be null.
8726 (unlikely_text_section_p): Use SECTION_STYLE.
8727 (bss_initializer_p): New function.
8728 (get_variable_section): Move earlier in file. Take a new argument,
8729 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8730 Return one of the new *_sections in such cases.
8731 (get_block_for_decl): New function, extracting some logic from
8732 use_blocks_for_decl_p.
8733 (change_symbol_section): Remove in favor of...
8734 (change_symbol_block): ...this new function.
8735 (use_blocks_for_decl_p): Remove checks now performed by
8737 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8738 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8739 (emit_local, emit_bss, emit_common): ...these new functions.
8740 Return true if the alignment was honored.
8741 (emit_tls_common): New function.
8742 (asm_emit_uninitialised): Delete.
8743 (assemble_variable_noswitch): New function, split out from...
8744 (assemble_variable): ...here. Don't make decisions about common
8745 variables here. Globalize all public decls that go into non-common
8746 sections. Check whether SYMBOL_REF_BLOCK is null.
8747 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8748 (output_constant_pool): Likewise.
8749 (init_varasm_once): Initialize the new section variables.
8750 (have_global_bss_p): New function.
8751 (categorize_decl_for_section): Use bss_initializer_p.
8752 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8753 (place_block_symbol): Assert that the symbol must be in a block.
8754 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8755 (TARGET_INITIALIZER): Include it.
8756 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8757 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8758 (SECTION_MACH_DEP): Bump by two.
8759 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8760 (unnamed_section): Mention SECTION_UNNAMED in comment.
8761 (named_section): Likewise SECTION_NAMED.
8762 (noswitch_section_callback): New type.
8763 (noswitch_section): New structure.
8764 (section): Add a noswitch_section alternative.
8765 (SECTION_STYLE): New macro.
8766 (tls_comm_section, comm_section, lcomm_section): Declare.
8767 (bss_noswitch_section, have_global_bss_p): Declare.
8768 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8769 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8771 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8772 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8775 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8777 * tree-vrp.c (execute_vrp): Return value.
8778 * regrename.c (rest_of_handle_regrename): Ditto.
8779 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8780 * tree-complex.c (tree_lower_complex): Ditto.
8781 (tree_lower_complex_O0): Ditto.
8782 * tracer.c (rest_of_handle_tracer): Ditto.
8783 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8784 * postreload.c (rest_of_handle_postreload): Ditto.
8785 * tree-tailcall.c (execute_tail_recursion): Ditto.
8786 (execute_tail_calls): Ditto.
8787 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8788 * tree.h (init_function_for_compilation): Ditto.
8789 * ipa-cp.c (ipcp_driver): Ditto.
8790 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8791 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8792 * final.c (compute_alignments): Ditto.
8793 (rest_of_handle_final): Ditto.
8794 (rest_of_handle_shorten_branches): Ditto.
8795 (rest_of_clean_state): Ditto.
8796 * omp-low.c (execute_expand_omp): Ditto.
8797 (execute_lower_omp): Ditto.
8798 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8799 * ipa-reference.c (static_execute): Ditto.
8800 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8801 * reorg.c (rest_of_handle_delay_slots): Ditto.
8802 (rest_of_handle_machine_reorg): Ditto.
8803 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8804 * flow.c (recompute_reg_usage): Ditto.
8805 (rest_of_handle_remove_death_notes): Ditto.
8806 (rest_of_handle_life): Ditto.
8807 (rest_of_handle_flow2): Ditto.
8808 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8809 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8810 (do_ssa_store_ccp): Ditto.
8811 (execute_fold_all_builtins): Ditto.
8812 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8813 * modulo-sched.c (rest_of_handle_sms): Ditto.
8814 * ipa-pure-const.c (static_execute): Ditto.
8815 * cse.c (rest_of_handle_cse): Ditto.
8816 (rest_of_handle_cse2): Ditto.
8817 * web.c (rest_of_handle_web): Ditto.
8818 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8819 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8820 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8821 * tree-nrv.c (tree_nrv): Ditto.
8822 (execute_return_slot_opt): Ditto.
8823 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8824 (create_structure_vars): Ditto.
8825 * loop-init.c (rtl_loop_init): Ditto.
8826 (rtl_loop_done): Ditto.
8827 (rtl_move_loop_invariants): Ditto.
8828 (rtl_unswitch): Ditto.
8829 (rtl_unroll_and_peel_loops): Ditto.
8830 (rtl_doloop): Ditto.
8831 * gimple-low.c (lower_function_body): Ditto.
8832 (mark_used_blocks): Ditto.
8833 * tree-ssa-sink.c (execute_sink_code): Ditto.
8834 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8835 (cgraph_early_inlining): Ditto.
8836 * global.c (rest_of_handle_global_alloc): Ditto.
8837 * jump.c (cleanup_barriers): Ditto.
8838 (purge_line_number_notes): Ditto.
8839 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8840 (rest_of_handle_if_after_reload): Ditto.
8841 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8842 (tree_ssa_loop_im): Ditto.
8843 (tree_ssa_loop_unswitch): Ditto.
8844 (tree_vectorize): Ditto.
8845 (tree_linear_transform): Ditto.
8846 (tree_ssa_loop_ivcanon): Ditto.
8847 (tree_ssa_empty_loop): Ditto.
8848 (tree_ssa_loop_bounds): Ditto.
8849 (tree_complete_unroll): Ditto.
8850 (tree_ssa_loop_prefetch): Ditto.
8851 (tree_ssa_loop_ivopts): Ditto.
8852 (tree_ssa_loop_done): Ditto.
8853 * predict.c (tree_estimate_probability): Ditto.
8854 * recog.c (split_all_insns_noflow): Ditto.
8855 (rest_of_handle_peephole2): Ditto.
8856 (rest_of_handle_split_all_insns): Ditto.
8857 * tree-eh.c (lower_eh_constructs): Ditto.
8858 * regmove.c (rest_of_handle_regmove): Ditto.
8859 (rest_of_handle_stack_adjustments): Ditto.
8860 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8861 * function.c (instantiate_virtual_regs): Ditto.
8862 (init_function_for_compilation): Ditto.
8863 (rest_of_handle_check_leaf_regs): Ditto.
8864 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8865 (rest_of_handle_gcse): Ditto.
8866 * ipa-type-escape.c (type_escape_execute): Ditto.
8867 * alias.c (rest_of_handle_cfg): Ditto.
8868 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8869 * profile.c (rest_of_handle_branch_prob): Ditto.
8870 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8871 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8872 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8873 * tree-dfa.c (find_referenced_vars): Ditto.
8874 * except.c (set_nothrow_function_flags): Ditto.
8875 (convert_to_eh_region_ranges): Ditto.
8876 (rest_of_handle_eh): Ditto.
8877 * emit-rtl.c (unshare_all_rtl): Ditto.
8878 (remove_unnecessary_notes): Ditto.
8879 * except.h (set_nothrow_function_flags): Ditto.
8880 (convert_to_eh_region_ranges): Ditto.
8881 * cfgexpand.c (tree_expand_cfg): Ditto.
8882 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8883 * tree-ssa-pre.c (do_pre): Ditto.
8884 (execute_fre): Ditto.
8885 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8886 (rest_of_handle_jump2): Ditto.
8887 * tree-sra.c (tree_sra): Ditto.
8888 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8889 (execute_mudflap_function_decls): Ditto.
8890 * tree-ssa-copy.c (do_copy_prop): Ditto.
8891 (do_store_copy_prop): Ditto.
8892 * ipa-prop.h (ipcp_driver): Ditto.
8893 * cfglayout.c (insn_locators_initialize): Ditto.
8894 * tree-ssa-forwprop.c
8895 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8896 * cfglayout.h (insn_locators_initialize): Ditto.
8897 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8898 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8899 (execute_late_warn_uninitialized): Ditto.
8900 * rtl.h (cleanup_barriers): Ditto.
8901 (split_all_insns_noflow): Ditto.
8902 (purge_line_number_notes): Ditto.
8903 (unshare_all_rtl): Ditto.
8904 (remove_unnecessary_notes): Ditto.
8905 (recompute_reg_usage): Ditto.
8906 (variable_tracking_main): Ditto.
8907 * integrate.c (emit_initial_value_sets): Ditto.
8908 * integrate.h (emit_initial_value_sets): Ditto.
8909 * tree-optimize.c (execute_free_datastructures): Ditto
8910 (execute_free_cfg_annotations): Ditto.
8911 (execute_fixup_cfg): Ditto.
8912 (execute_cleanup_cfg_pre_ipa): Ditto.
8913 (execute_cleanup_cfg_post_optimizing): Ditto.
8914 (execute_init_datastructures): Ditto.
8915 * tree-object-size.c (compute_object_sizes): Ditto.
8916 * combine.c (rest_of_handle_combine): Ditto.
8917 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8918 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8919 (rest_of_handle_reorder_blocks): Ditto.
8920 (rest_of_handle_partition_blocks): Ditto.
8921 * var-tracking.c (variable_tracking_main): Ditto.
8922 * tree-profile.c (tree_profiling): Ditto.
8923 * tree-vect-generic.c (expand_vector_operations): Ditto.
8924 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8925 * sched-rgn.c (rest_of_handle_sched): Ditto.
8926 (rest_of_handle_sched2): Ditto.
8927 * basic-block.h (free_bb_insn): Ditto.
8928 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8929 * tree-cfg.c (execute_build_cfg): Ditto.
8930 (remove_useless_stmts): Ditto.
8931 (split_critical_edges): Ditto.
8932 (execute_warn_function_return): Ditto.
8933 (execute_warn_function_noreturn): Ditto.
8934 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8935 * cfgrtl.c (free_bb_for_insn): Ditto.
8936 * passes.c (execute_one_pass): Run additional
8937 todos returned by execute function.
8938 * tree-pass.h (struct tree_opt_pass): Make execute
8941 2006-03-02 Richard Guenther <rguenther@suse.de>
8943 * tree-ssa-alias.c (find_used_portions): Consider taking
8944 the address as making the variable not write-only.
8946 2006-03-02 Nick Clifton <nickc@redhat.com>
8948 * config.gcc (default_use_cxa_atexit): Extend the description of
8949 this configure variable. Set its default value to "yes" for
8950 Linux, NetBSD and ELF targets on the assumption that they will
8951 use C libraries with the __cxa_atexit function.
8953 2006-03-02 Ben Elliston <bje@au.ibm.com>
8955 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8956 parameter as unused to suppress a build warning.
8958 2006-03-02 Ben Elliston <bje@au.ibm.com>
8960 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8963 2006-03-01 Roger Sayle <roger@eyesopen.com>
8966 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8967 declared name, the weak reference name, and the typeof name.
8968 (__gthrw): Avoid expanding the declared name suffix.
8969 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8971 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8973 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8975 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8976 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8977 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8978 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8979 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8980 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8981 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8982 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8983 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8984 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8985 (DW_END_default, DW_END_big, DW_END_little): New.
8986 (DW_END_lo_user, DW_END_hi_user): Define.
8987 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8988 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8989 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8992 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8994 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8996 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8998 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9000 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9002 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9003 to 'symbol_mem_tag'.
9005 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9008 2006-03-01 Roger Sayle <roger@eyesopen.com>
9010 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9012 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9015 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9016 MACHO_DYNAMIC_NO_PIC_P.
9017 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9019 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9022 * config/darwin-protos.h (darwin_asm_output_anchor):
9024 * config/darwin-sections.def (cstring_section):
9025 Add SECTION_MERGE to the flags.
9026 (literal4_section): Likewise.
9027 (literal8_section): Likewise.
9028 (objc_selector_refs_section): Likewise.
9029 (objc_cls_refs_section): Likewise.
9030 * config/darwin.c (darwin_asm_output_anchor): New
9032 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9034 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9036 Fix PR tree-optimization/26443
9037 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9038 to todo and PROP_tmt_usage to properties_destroyed.
9039 * tree-ssa-ccp.c (pass_ccp): Ditto.
9040 (pass_store_ccp): Ditto.
9041 * tree-ssa-dom.c (pass_dominator): Ditto.
9043 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9045 * tree-ssa-operands.c: Cleanup whitespace.
9046 (get_asm_expr_operands): Move before first invocation.
9047 (get_indirect_ref_operands): Likewise.
9048 (get_tmr_operands): Likewise.
9049 (get_call_expr_operands): Likewise.
9050 (append_def): Likewise.
9051 (append_use): Likewise.
9052 (append_v_may_def): Likewise.
9053 (append_v_must_def): Likewise.
9054 (add_call_clobber_ops): Likewise.
9055 (add_call_read_ops): Likewise.
9056 (add_stmt_operand): Likewise.
9057 (add_virtual_operand): Likewise.
9058 (build_ssa_operands): Likewise.
9060 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9065 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9066 with a call expr to ...
9067 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9069 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9071 * tree-vrp.c (extract_range_from_assert): Remove special
9072 handling for types with super-types.
9074 2006-03-01 Ben Elliston <bje@au.ibm.com>
9076 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9077 and powerpc64-*-linux* configurations.
9078 * config/t-dfprules: New file.
9080 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9081 Compile dfp-bit.c from the source directory using -DWIDTH and
9082 $DFP_CFLAGS to control the compilation of that file, rather than
9083 generating width-specific versions in the build directory.
9084 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9085 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9087 2006-02-28 Zack Weinberg <zackw@panix.com>
9089 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9092 2006-02-28 Eric Christopher <echristo@apple.com>
9094 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9095 Set up IN_LIBGCC definition of TARGET_64BIT.
9096 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9098 2006-02-28 Roger Sayle <roger@eyesopen.com>
9101 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9102 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9103 cases via the construction of "expr != 0".
9105 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9107 * alias.c (alias_invariant, alias_invariant_size): Remove.
9108 (record_base_value): Remove.
9109 (memrefs_conflict_p): Don't look at alias_invariant.
9110 (end_alias_analysis): Don't free it.
9111 * alias.h (record_base_value): Remove prototype.
9113 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9114 Adam Nemet <anemet@caviumnetworks.com>
9116 * rtl.h (truncated_to_mode): Declare it.
9117 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9118 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9119 (RTL_HOOKS_INITIALIZER): Include it.
9120 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9121 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9122 reg_truncated_to_mode.
9123 * rtlanal.c (truncated_to_mode): Define it.
9124 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9126 2006-02-28 Jeff Law <law@redhat.com>
9128 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9129 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9130 the range allowed by TYPE_PRECISION.
9132 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9134 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9136 PR tree-optimization/26419
9137 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9140 2006-02-27 Zack Weinberg <zackw@panix.com>
9142 * doc/md.texi: Fix typo in previous change.
9144 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9148 2006-02-27 Zack Weinberg <zackw@panix.com>
9150 * rtl.def (define_constraint, define_register_constraint)
9151 (define_memory_constraint, define_address_constraint): New MD forms.
9152 * gensupport.c (process_rtx): Put define_constraint etc on the
9154 * genpreds.c (process_define_predicate): Adjust comment. Validate
9155 the name, and call validate_exp to validate the expression.
9156 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9157 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9158 all callers changed.
9159 (validate_exp, needs_variable, struct constraint_data)
9160 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9161 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9162 (const_dbl_constraints, constraint_max_namelen)
9163 (have_register_constraints, have_memory_constraints)
9164 (have_address_constraints, have_address_constraints)
9165 (have_extra_constraints, have_const_int_constraints)
9166 (have_const_dbl_constraints, mangle, add_constraint)
9167 (process_define_constraint, process_define_register_constraint)
9168 (write_enum_constraint_num, write_lookup_constraint)
9169 (write_insn_constraint_len, write_regclass_for_constraint)
9170 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9171 (write_insn_extra_memory_constraint)
9172 (write_insn_extra_address_constraint)
9173 (write_satisfies_constraint_fns): New.
9174 (write_tm_preds_h): If we have new-style constraint definitions,
9175 prototype the functions generated from them, and define the
9176 old constraint interface (still used by generic code) in terms of
9178 (write_insn_preds_c): If we have new-style constraint definitions,
9179 generate all relevant functions from those definitions.
9180 (main): Handle define_constraint etc.
9181 * genoutput.c (struct constraint_data, indep_constraints)
9182 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9183 (mdep_constraint_len): New data structures and functions, defined
9184 #ifdef USE_MD_CONSTRAINTS.
9185 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9186 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9187 use new logic to validate operand constraints against constraint
9189 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9191 * defaults.h: If none of the old-style constraint macros are
9192 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9193 old-style macros; and poison REG_CLASS_FROM_LETTER,
9194 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9196 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9197 * doc/md.texi: Document new constraint-definition mechanism and the
9198 C interface it provides. Remove references to old mechanism
9199 elsewhere in the document.
9200 (Machine Constraints): Use pathnames relative to gcc directory,
9201 i.e. config/ARCH/FILE. Change i386 section to refer to
9202 config/i386/predicates.md; update that section to match docstrings.
9203 * doc/tm.texi: Move all documentation of the old constraint-
9204 definition macros to their own section, clearly mark as obsolete.
9206 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9207 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9209 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9210 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9211 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9213 (splits and peepholes): Use satisfies_constraint_*.
9214 * config/i386/i386.c (memory_address_length)
9215 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9217 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9219 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9220 scalar operation to be put back into the loop.
9222 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9225 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9226 (extract_cie_info): Handle S flag in augmentation string.
9227 (execute_cfa_program): If context->signal_frame, execute also
9228 fs->pc == context->ra instructions.
9229 (uw_frame_state_for): If context->signal_frame, don't subtract one
9230 from context->ra to find FDE.
9231 (uw_update_context_1): Set context->signal_frame to
9233 (_Unwind_GetIPInfo): New function.
9234 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9235 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9237 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9238 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9239 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9240 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9241 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9242 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9243 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9244 x86_64_fallback_frame_state): Set fs->signal_frame.
9245 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9246 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9247 (frob_update_context): Likewise. Workaround missing S flag in
9248 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9249 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9250 Remove the psw_addr + 1 hack.
9252 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9254 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9255 with aggregates here.
9256 (find_func_aliases): Remove code for &<aggregate> from here.
9258 2006-02-26 Roger Sayle <roger@eyesopen.com>
9260 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9261 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9262 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9265 2006-02-26 Roger Sayle <roger@eyesopen.com>
9268 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9270 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9272 * opts.c (decode_options): Do not handle flag_strength_reduce.
9273 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9274 and OPT_fstrength_reduce.
9275 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9276 flag_prefetch_loop_arrays for being nonzero.
9277 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9279 (fprefetch-loop-arrays-rtl): Removed.
9280 (flag_prefetch_loop_arrays): Do not specify the value.
9282 * doc/passes.texi: Update documentation of loop optimizer
9284 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9285 -frerun-loop-opt): Remove.
9287 2006-02-26 Richard Guenther <rguenther@suse.de>
9289 PR tree-optimization/26421
9290 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9291 in function calls that are ADDR_EXPRs as using the whole structure.
9293 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9295 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9296 * tree-pass.h (pass_loop_optimize): Remove.
9297 * passes.c (pass_loop_optimize): Never run it.
9298 * toplev.c (backend_init): Don't call init_loop.
9299 * opts.c (flag_loop_optimize_set): Remove.
9300 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9301 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9302 the old RTL loop optimizer when profiling enabled.
9303 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9304 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9305 pre-headers for the sake of the old RTL loop optimizer.
9306 * Makefile.in: Remove all references to loop.o.
9308 * doc/invoke.texi: Remove all references to -floop-optimize
9309 and -frerun-loop-opt.
9311 2006-02-26 Zack Weinberg <zackw@panix.com>
9313 * doc/md.texi (Machine Constraints): Refer to all files with paths
9314 relative to gcc directory (i.e. config/CPU/file). Add missing
9315 @table @code ... @end table to M32C subsection.
9317 2006-02-26 Roger Sayle <roger@eyesopen.com>
9319 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9321 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9323 2006-02-26 Roger Sayle <roger@eyesopen.com>
9324 James A. Morrison <phython@gcc.gnu.org>
9327 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9328 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9329 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9330 signedness of the shift operation.
9332 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9334 PR tree-optimization/26359
9335 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9337 2006-02-25 Roger Sayle <roger@eyesopen.com>
9339 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9340 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9341 as X == 0, and some symmetry related transformations.
9342 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9344 2006-02-25 Roger Sayle <roger@eyesopen.com>
9347 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9348 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9349 symmetry related transformations. Fold (X^C1) == C2 as
9352 2006-02-25 Juergen Weigert <jw@suse.de>
9353 Richard Guenther <rguenther@suse.de>
9355 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9357 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9359 * combine.c (gen_lowpart_or_truncate): Call
9360 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9362 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9364 * doc/invoke.texi: Move -fopenmp description to "Options for
9366 Remove reference to -lgomp.
9368 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9370 * doc/install.texi: Require GNU tar version 1.14.
9372 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9374 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9375 * doc/invoke.texi (C++ Dialect Options): Document
9376 -fno-use-cxa-get-exception-ptr.
9377 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9378 * configure: Regenerate.
9379 * c.opt (fuse-cxa-get-exception-ptr): New.
9380 * c-opts.c (c_common_handle_option): Handle
9381 OPT_fuse_cxa_get_exception_ptr.
9382 * c-common.c (flag_use_cxa_atexit): Update documentation.
9383 (flag_use_cxa_get_exception_ptr): New.
9384 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9385 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9387 (C_COMMON_OVERRIDE_OPTIONS): New.
9389 2006-02-24 Roger Sayle <roger@eyesopen.com>
9392 * combine.c (try_combine): Explicitly check whether GET_CODE is
9393 a SET or a CLOBBER, instead on checking that it isn't a USE.
9395 2006-02-24 Roger Sayle <roger@eyesopen.com>
9397 * fold-const.c (fold_comparison): New subroutine of fold_binary
9398 containing transformations common to both the equality and
9399 ordering relational operators, factored out of fold_binary.
9400 (fold_binary): Separate out the equality operators (EQ_EXPR
9401 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9402 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9403 transformations common to both.
9404 (fold_div_compare): Fix latent bugs in the previously unreachable
9405 LT_EXPR and GE_EXPR cases.
9407 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9409 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9410 decl libname for clog to __clog on AIX.
9412 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9414 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9417 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9418 output traceback table for thunks. Localise rs6000_stack_info call.
9420 2006-02-23 Roger Sayle <roger@eyesopen.com>
9421 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9423 * gthr-posix.h (__gthrw): Fix typo in comment.
9425 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9427 * doc/cpp.texi (Character sets): Document that we do support
9428 input files to be in any character set.
9430 2006-02-23 Jeff Law <law@redhat.com>
9432 * tree.h (PHI_ARG_NONZERO): Remove.
9433 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9434 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9435 node to the new node.
9437 PR tree-optimization/26425
9438 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9439 min/max, then assume its varying.
9441 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9443 PR rtl-optimization/26316
9444 * rtlanal.c (enum may_trap_p_flags): New.
9445 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9446 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9447 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9448 (may_trap_after_code_motion_p): New function.
9449 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9450 (find_invariant_insn): Use may_trap_after_code_motion_p.
9451 * rtl.h (may_trap_after_code_motion_p): Declare.
9453 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9455 * emit-rtl.c (immed_double_const): Cleanup.
9457 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9459 Fix PR tree-optimization/26376
9460 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9463 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9466 * gimplify.c (omp_add_variable): Guard variable size decl test with
9467 DECL_SIZE (decl) check.
9469 2006-02-23 Richard Guenther <rguenther@suse.de>
9472 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9473 like aggregate types.
9475 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9477 * configure.ac: Add --with{,out}-long-double-128 configure option.
9478 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9479 * configure: Rebuilt.
9480 * config.in: Rebuilt.
9481 * doc/install.texi (Options specification): Document
9482 --with-long-double-128.
9484 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9485 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9486 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9487 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9489 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9491 * config/s390/s390.c (override_options): Handle
9492 TARGET_DEFAULT_LONG_DOUBLE_128.
9494 * config/alpha/alpha.c (override_options): Handle
9495 TARGET_DEFAULT_LONG_DOUBLE_128.
9497 * config/sparc/sparc.c (sparc_override_options): Handle
9498 TARGET_DEFAULT_LONG_DOUBLE_128.
9500 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9502 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9503 (real-install-headers-tar, real-install-headers-cpio)
9504 (real-install-headers-cp): New targets.
9506 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9508 * tree.h (variable_section): Delete.
9509 * varasm.c (variable_section): Delete.
9511 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9513 * install.texi: Add notes on install.texi2html.
9514 (Building in parallel): Do not use footnotes.
9516 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9519 * doc/install.texi (Configuration): Document --disable-libgomp.
9521 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9523 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9525 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9527 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9528 (vec_extractv2df_0_sse): New.
9530 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9532 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9533 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9534 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9535 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9536 to the result of the expression.
9537 (def_cfa_1): Adjust.
9538 (frame_pointer_cfa_offset): Rename to...
9539 (frame_pointer_fb_offset): ... this. Adjust all uses.
9540 (convert_cfa_to_loc_list): Rename to...
9541 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9542 Pass it on to build_cfa_loc.
9543 (compute_frame_pointer_to_cfa_displacement): Rename to...
9544 (compute_frame_pointer_to_fb_displacement): ... this. New
9545 offset parameter. Use it in computation.
9546 (gen_subprogram_die): Compute cfa_fb_offset with the new
9547 macro, and use it to compute the fb loc list and the
9550 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9552 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9553 replaced with register_operand.
9554 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9555 non-DREG is expensive.
9556 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9557 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9560 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9562 * doc/install.texi2html: Use set -e.
9564 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9566 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9567 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9568 * doc/invoke.texi (-fshared-data): Delete.
9569 * common.opt (fshared-data): Delete.
9570 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9571 (assemble_static_space): Remove #if 0 code.
9572 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9573 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9574 * config/cris/cris.h: Remove FIXME.
9576 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9578 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9581 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9584 * combine.c (simplify_shift_const_1): Disable nested shifts
9585 optimization for vector shifts.
9587 2006-02-20 Roger Sayle <roger@eyesopen.com>
9589 PR tree-optimization/26361
9590 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9591 of unsigned integer types.
9593 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9595 * tree-chrec.c (eq_evolutions_p): New.
9596 * tree-chrec.h (eq_evolutions_p): Declared.
9597 * tree-data-ref.c: Fix formatting.
9598 (datadep_stats, dependence_stats): New.
9600 (print_direction_vector): New.
9601 (dump_data_dependence_relation): Use print_direction_vector.
9602 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9603 (compute_subscript_distance): Static.
9604 (initialize_data_dependence_relation): Static. Get the number
9605 of loops surrounding the references from the callers, and initialize
9606 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9607 base_object_differ_p analyzers.
9608 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9609 compute_overlap_steps_for_affine_1_2,
9610 analyze_subscript_affine_affine): Count the classified dependences.
9611 Print a message when a test failed.
9612 (can_use_analyze_subscript_affine_affine): New.
9613 (analyze_siv_subscript): Compute the data dependences on symbolic
9614 scevs that verify can_use_analyze_subscript_affine_affine.
9615 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9616 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9617 Handle symbolic scevs.
9618 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9620 (subscript_dependence_tester): Moved...
9621 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9622 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9623 DDR_SIZE_VECT instead of getting it in parameter.
9624 (subscript_dependence_tester): ... here. Take as a parameter
9625 loop_nest_depth. Call build_classic_dist_vector and
9626 build_classic_dir_vector.
9627 (compute_affine_dependence): Update subscript_dependence_tester
9628 parameters. Update datadep_stats counters. Call
9629 compute_subscript_distance.
9630 (compute_self_dependence): Save the dist and dir vectors. Call
9631 compute_subscript_distance.
9632 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9633 (compute_all_dependences): Reorder parameters as they were before
9634 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9635 compute_subscript_distance. Update the use of
9636 compute_affine_dependence and initialize_data_dependence_relation.
9637 (find_data_references_in_loop): Handle COMPONENT_REF.
9638 (compute_data_dependences_for_loop): Initialize dependence_stats.
9639 Don't call build_classic_dist_vector and build_classic_dir_vector.
9640 Update the parameters of initialize_data_dependence_relation and
9641 compute_all_dependences. Print the statistics from datadep_stats.
9642 (analyze_all_data_dependences): Static. Not used until the pass for
9643 checking the data dependences is contributed.
9644 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9645 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9646 (initialize_data_dependence_relation, compute_affine_dependence,
9647 analyze_all_data_dependences, compute_subscript_distance): Removed.
9648 (print_direction_vector): New.
9649 * lambda.h (gcd): ... here.
9650 (lambda_vector_gcd): Moved here from gcd_vector.
9651 * lambda-code.c (gcd, gcd_vector): Removed.
9652 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9653 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9655 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9657 * ipa-type-escape.c: Tidy some comments and white space.
9658 * tree-ssa-operands.c: Likewise.
9660 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9663 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9664 (dump_decl_name): Do not walk the decl tree chains.
9665 * tree-pass.h (TDF_CHAIN): Remove.
9667 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9669 * Makefile.in (C): Remove
9671 (.PHONY): Remove C and PROTO
9673 2006-02-20 Roger Sayle <roger@eyesopen.com>
9676 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9677 deprecated CHAR_TYPE tree code.
9679 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9681 * configure.ac (target_list): Add install-info, dvi, html.
9682 * configure: Regenerate.
9684 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9685 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9686 treelang/Make-lang.in: Do not use double-colon rules.
9688 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9690 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9691 (TMT_USED_ALONE): New macro.
9692 * tree-pass.h (PROP_tmt_usage): New property.
9693 (TODO_update_tmt_usage): New todo.
9694 * tree-ssa-alias.c (updating_used_alone): New variable.
9695 (recalculate_used_alone): New function.
9696 (compute_may_aliases): Set updating_used_alone, call
9697 recalculate_used_alone.
9698 * tree-sra.c (pass_sra): Note that this pass destroys
9699 PROP_tmt_usage, and add TODO_update_tmt_usage.
9700 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9701 * tree-flow.h (updating_used_alone): Prototype.
9702 (recalculate_used_alone): Ditto.
9703 * passes.c (execute_todo): Add code to set updating_used_alone,
9704 and call recalculate.
9705 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9706 for clobber if used alone, and add assert to verify used_alone
9709 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9711 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9712 for non tls symbols added.
9713 (legitimize_address): Do nothing for PLUS expressions if one of the
9714 addends is a tls symbol reference.
9716 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9720 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9722 * Makefile.in (BOOTSTRAPPING): New.
9723 (quickstrap): New definition if BOOTSTRAPPING=yes.
9725 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9726 * configure.ac: Substitute all_selected_languages with the languages
9727 that were configured. For all the other variables except
9728 lang_specs_files, include all the languages in the tree.
9729 * configure: Regenerate.
9731 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9732 if there is one. Run the commands to run fixincludes in the same
9735 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9736 * doc/install.texi: Document exact conventions for searching target tools.
9737 Document --with-build-time-tools. Document toplevel bootstrap. Document
9738 something more about building an Ada cross-compiler. Don't list GNU Make
9739 requirements which affect all platforms.
9741 2006-02-19 Roger Sayle <roger@eyesopen.com>
9744 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9745 only equivalent if the have both the same mode and precision.
9747 2006-02-20 Ben Elliston <bje@au.ibm.com>
9749 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9751 2006-02-19 Roger Sayle <roger@eyesopen.com>
9752 Steven Bosscher <stevenb.gcc@gmail.com>
9754 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9755 constant pool references to identify stack mode constants.
9756 * rtlanal.c (constant_pool_constant_p): New predicate to check
9757 whether operand is a floating point constant in the pool.
9758 * rtl.h (constant_pool_constant_p): Prototype here.
9759 * loop.c (scan_loop): Avoid hoisting constants from the constant
9760 pool on STACK_REGS targets.
9761 (load_mems): Likewise.
9762 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9763 loads into x87 registers expensive in terms of register pressure.
9765 2006-02-19 Roger Sayle <roger@eyesopen.com>
9767 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9768 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9770 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9772 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9773 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9775 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9777 * doc/invoke.texi: Document -fipa-pta.
9778 * common.opt: Add ipa-pta option.
9779 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9780 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9781 (do_ds_constraint): Ditto.
9782 (get_constraint_for): Only add to referenced_vars if
9783 referenced_vars exists.
9784 (insert_into_field_list): Rewrite to do this unsorted.
9785 (insert_into_field_list_sorted): Rename old insert_into_field_list
9787 (create_function_info_for): Use insert_into_field_list_sorted.
9788 (create_variable_info_for): Rewrite so it uses unsorted version,
9789 since the field list is sorted.
9790 (intra_create_variable_infos): Only add to referenced_vars if
9791 referenced_vars exists.
9792 (ipa_pta_execute): Init heapvars, and delete when done.
9793 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9795 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9797 * doc/install.texi: Add missing `@samp'.
9799 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9801 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9804 2006-02-18 Mark Wielaard <mark@klomp.org>
9806 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9807 who added new 4.1 features, bug fixes and integration support.
9809 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9812 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9815 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9817 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9818 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9819 (copy_insn_1): Likewise. Don't copy each field individually.
9821 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9823 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9824 * rtl.c (rtx_size): Rename variable to...
9825 (rtx_code_size): ...this.
9826 (rtx_size): New function.
9827 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9828 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9830 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9831 * rtl.h (rtx_code_size): New variable.
9832 (rtx_size): Change from a variable to a function.
9833 (RTX_SIZE): Rename to...
9834 (RTX_CODE_SIZE): ...this.
9837 PR tree-optimization/17106
9838 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9839 (Anchored Addresses): New section.
9840 * doc/invoke.texi (-fsection-anchors): Document.
9841 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9842 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9843 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9844 * hooks.c (hook_bool_mode_rtx_false): New function.
9845 * hooks.h (hook_bool_mode_rtx_false): Declare.
9846 * gengtype.c (create_optional_field): New function.
9847 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9848 SYMBOL_REF_IN_BLOCK_P is true.
9849 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9850 (min_anchor_offset, max_anchor_offset): Likewise.
9851 (use_anchors_for_symbol_p): New hook.
9852 * toplev.c (compile_file): Call output_object_blocks.
9853 (target_supports_section_anchors_p): New function.
9854 (process_options): Check that -fsection-anchors is only used on
9855 targets that support it and when -funit-at-a-time is in effect.
9856 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9857 if the decl doesn't have one.
9858 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9859 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9860 of force_const_mem through use_anchored_address.
9861 (expand_expr_constant): New function.
9862 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9863 calling expand_expr for INDIRECT_REF.
9864 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9865 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9866 * expr.h (use_anchored_address): Declare.
9867 * loop-unroll.c: Don't declare rtx vectors here.
9868 * explow.c: Include output.h.
9869 (validize_mem): Call use_anchored_address.
9870 (use_anchored_address): New function.
9871 * common.opt (-fsection-anchors): New switch.
9872 * varasm.c (object_block_htab, anchor_labelno): New variables.
9873 (hash_section, object_block_entry_eq, object_block_entry_hash)
9874 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9875 (use_blocks_for_decl_p, change_symbol_section): New functions.
9876 (get_variable_section): New function, split out from assemble_variable.
9877 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9878 use_blocks_for_decl_p say so. Use change_symbol_section if the
9879 symbol has already been created.
9880 (assemble_variable_contents): New function, split out from...
9881 (assemble_variable): ...here. Don't output any code for
9882 block symbols; just pass them to place_block_symbol.
9883 Use get_variable_section and assemble_variable_contents.
9884 (get_constant_alignment, get_constant_section, get_constant_size): New
9885 functions, split from output_constant_def_contents.
9886 (build_constant_desc): Create a block symbol if use_object_blocks_p
9887 says so. Or into SYMBOL_REF_FLAGS.
9888 (assemble_constant_contents): New function, split from...
9889 (output_constant_def_contents): ...here. Don't output any code
9890 for block symbols; just pass them to place_section_symbol.
9891 Use get_constant_section and get_constant_alignment.
9892 (force_const_mem): Create a block symbol if use_object_blocks_p and
9893 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9894 (output_constant_pool_1): Add an explicit alignment argument.
9895 Don't switch sections here.
9896 (output_constant_pool): Adjust call to output_constant_pool_1.
9897 Switch sections here instead. Don't output anything for block symbols;
9898 just pass them to place_block_symbol.
9899 (init_varasm_once): Initialize object_block_htab.
9900 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9901 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9902 (place_block_symbol, get_section_anchor, output_object_block)
9903 (output_object_block_htab, output_object_blocks): New functions.
9904 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9905 (TARGET_ASM_OUT): Include it.
9906 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9907 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9908 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9909 (TARGET_INITIALIZER): Include them.
9910 * rtl.c (rtl_check_failed_block_symbol): New function.
9911 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9912 (block_symbol, object_block): New structures.
9913 (rtx_def): Add a block_symbol field to the union.
9914 (BLOCK_SYMBOL_CHECK): New macro.
9915 (rtl_check_failed_block_symbol): Declare.
9916 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9917 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9918 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9919 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9920 * output.h (output_section_symbols): Declare.
9921 (object_block): Name structure.
9922 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9923 (default_use_anchors_for_symbol_p): Declare.
9924 * Makefile.in (RTL_BASE_H): Add vec.h.
9925 (explow.o): Depend on output.h.
9926 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9927 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9928 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9929 (rs6000_use_blocks_for_constant_p): New function.
9931 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9933 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9935 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9938 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9941 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9943 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9947 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9950 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9951 instead of DECL_REGISTER.
9953 2006-02-18 Olivier Hainque <hainque@adacore.com>
9956 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9958 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9961 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9962 * opth-gen.awk: Handle Var and InverseMask together.
9963 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9964 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9965 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9966 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9968 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9969 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9970 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9971 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9972 LINUX_DYNAMIC_LINKER): Define.
9973 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9974 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9976 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9977 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9978 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9980 (TARGET_C99_FUNCTIONS): Don't define.
9981 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9982 GLIBC_DYNAMIC_LINKER.
9983 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9984 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9985 GLIBC_DYNAMIC_LINKER64): Define.
9986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9987 LINUX_DYNAMIC_LINKER64.
9988 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9989 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9990 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9991 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9992 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9993 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9994 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9995 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9996 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9997 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9998 and LINUX_DYNAMIC_LINKER32.
9999 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10000 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10001 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10002 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10003 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10005 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10006 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10007 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10008 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10009 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10010 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10011 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10012 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10013 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10014 LINUX_DYNAMIC_LINKER): Define.
10015 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10016 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10017 GLIBC_DYNAMIC_LINKER64): Define.
10018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10019 LINUX_DYNAMIC_LINKER64.
10020 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10021 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10022 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10023 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10024 LINUX_DYNAMIC_LINKER): Define.
10025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10026 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10027 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10028 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10029 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10030 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10031 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10032 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10033 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10034 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10036 * doc/invoke.texi (-muclibc): Remove caveat about supported
10039 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10041 * doc/cpp.texi (__TIMESTAMP__): Document.
10043 2006-02-17 Roger Sayle <roger@eyesopen.com>
10045 PR middle-end/25600
10046 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10047 C is one less than the width of X (and related transformations).
10048 * simplify-rtx.c (simplify_unary_operation_1): Transform
10049 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10050 depending on STORE_FLAG_VALUE, were C is one less then the
10053 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10055 Fix PR tree-optimization/26341
10056 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10057 about NAME_MEMORY_TAG's.
10059 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10062 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10063 with hardware float support, and software float support. Add fcpy
10064 alternative to hardware patterns. Add alternatives to copy between
10065 general and floating-point registers to the 32-bit pattern.
10066 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10067 secondary reload to load a QI or HI mode constant into a floating
10069 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10070 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10072 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10075 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10077 (load_macho_picbase_di): Likewise.
10079 2006-02-16 Jeff Law <law@redhat.com>
10081 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10082 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10083 (ssa_name_nonzero_p): Likewise.
10084 (get_value_range): Return NULL if VRP is not running.
10085 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10086 VRP routines do not discover a range.
10087 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10088 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10089 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10090 (tree_expr_nonnegative_p): Similarly.
10091 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10092 (restore_nonzero_vars_to_original_value): Remove.
10093 (unsafe_associative_fp_binop): Remove.
10094 (tree_ssa_dominator_optimize): Remove initialization and
10095 finalization of nonzero_vars and nonzero_vars_stack.
10096 (dom_opt_initialize_block): No longer push marker on
10097 nonzero_vars_stack.
10098 (dom_opt_finalize_block): No longer call
10099 restore_nonzero_vars_to_original_value.
10100 (record_equivalences_from_phis): No longer look for
10101 nonzero PHI arguments.
10102 (cprop_into_successor_phis): No longer propagate nonzero
10103 property into PHI arguments. Lose unused argument. Caller
10105 (record_equivalences_from_stmt): No longer record nonzero
10106 values for SSA_NAMEs.
10107 (lookup_avail_expr): No longer use nonzero_vars.
10109 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10110 for sizetype when sizetype is unsigned.
10112 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10114 PR rtl-optimization/25603
10115 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10116 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10117 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10118 with new meaning of SETS.
10120 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10125 * config/linux.opt: New file.
10126 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10127 LINUX_DYNAMIC_LINKER): Define.
10128 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10129 * config.gcc (*-*-linux*): Define extra_options.
10130 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10131 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10132 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10133 GLIBC_DYNAMIC_LINKER.
10134 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10135 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10136 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10137 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10138 * doc/invoke.texi (GNU/Linux Options): New section.
10140 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10142 * config/sparc/sparc.md (setjmp): Rewrite.
10143 (setjmp_32): Delete.
10144 (setjmp_64): Likewise.
10146 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10148 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10151 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10153 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10156 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10158 PR rtl-optimization/26296
10159 * Makefile.in (loop-invariant.c): Add except.h dependency.
10160 * loop-invariant.c: Include except.h.
10161 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10163 2005-02-16 Paul Brook <paul@codesourcery.com>
10165 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10168 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10170 PR rtl-optimization/25636
10171 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10172 when deciding whether an insn is an initializing insn.
10174 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10176 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10177 (tree_code_size): Ditto.
10178 * tree.h (struct tree_memory_tag): Remove parent_var.
10179 (struct tree_struct_field_tag): New.
10182 (union tree_node): Add sft member.
10183 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10185 (create_sft): Add size and offset argument, set SFT_OFFSET and
10187 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10188 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10189 * tree-flow-inline.h (get_subvar_at): Update for
10190 SFT_OFFSET/SFT_SIZE.
10191 (var_can_have_subvars): Ditto.
10192 (overlap_subvar): Ditto.
10193 * print-tree.c (print_node): Print out interesting things for
10195 * tree-flow.h (struct subvar): Remove offset and size members.
10196 * tree-ssa-operands.c (get_expr_operands): Update for
10197 get_indirect_ref_operands changes.
10198 (get_indirect_ref_operands): Call add_virtual_operand instead of
10199 add_stmt_operand. Only recurse on base var if requested.
10200 (access_can_touch_variable): New function.
10201 (add_stmt_operand): Split virtual operand handling into ...
10202 (add_virtual_operand): Here. Add offset, size, and for_clobber
10203 arguments. Prune alias sets.
10204 (add_call_clobber_ops): Call add_virtual_operand.
10206 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10208 PR middle-end/26300
10209 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10211 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10212 than TREE_CODE as index into omp_clause_num_ops array.
10214 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10216 PR rtl-optimization/26184
10217 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10219 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10220 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10221 must_precede, must_follow and tobe_scheduled.
10224 * opts.c (common_handle_option): Free new_option pointer.
10225 * df-core.c (df_analyze): Free postorder pointer.
10227 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10229 * Makefile.in: Fix the examples about the use of stamps
10231 2006-02-15 Michael Matz <matz@suse.de>
10233 PR middle-end/22275
10235 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10236 influenced by maximum_field_alignment or DECL_PACKED.
10237 (update_alignment_for_field): Ditto.
10238 (place_field): Ditto.
10239 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10242 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10244 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10245 (debug_flow_info): Pass it.
10246 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10247 * bb-reorder.c (reorder_basic_blocks): Likewise.
10248 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10249 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10250 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10251 * gcse.c (gcse_main, bypass_jumps): Likewise.
10252 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10253 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10254 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10255 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10256 * rtl.h (dump_flow_info): Adjust prototype.
10257 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10258 * var-tracking.c (variable_tracking_main): Likewise.
10259 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10260 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10263 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10265 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10268 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10270 PR tree-optimization/26209
10271 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10272 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10274 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10276 2006-02-14 Roger Sayle <roger@eyesopen.com>
10278 PR middle-end/23670
10279 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10280 (X,Y) and the corresponding symmetry related transformations.
10281 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10282 (X,Y) and its symmetry related transformations.
10284 2006-02-14 Roger Sayle <roger@eyesopen.com>
10286 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10289 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10291 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10293 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10296 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10297 support COMDAT group.
10298 * configure: Regenerate.
10300 2006-02-14 Roger Sayle <roger@eyesopen.com>
10302 PR middle-end/26279
10303 PR middle-end/26280
10304 PR middle-end/26283
10305 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10307 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10309 Fix PR tree-optimization/26260
10311 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10313 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10314 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10315 * tree-ssa-structalias.c (create_variable_info_for): Use
10316 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10318 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10320 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10322 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10323 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10324 of the ending condition.
10325 * tree-ssa-loop-manip.c: Include params.h.
10326 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10327 tree_unroll_loop): New functions.
10328 * tree-pass.h (pass_loop_prefetch): Declare.
10329 * loop.c (rest_of_handle_loop_optimize): Test for
10330 -fprefetch-loop-arrays-rtl.
10331 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10332 * timevar.def (TV_TREE_PREFETCH): New timevar.
10333 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10334 pass_loop_prefetch): New.
10335 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10336 (cleanup_tree_cfg_loop): Call scev_reset.
10337 * common.opt (fprefetch-loop-arrays-rtl): Add.
10338 * tree-ssa-loop-prefetch.c: New file.
10339 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10340 (new_temp_expr_table): Initialize expr_vars.
10341 (free_temp_expr_table): Cleanup expr_vars.
10342 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10343 expressions from being merged into one.
10344 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10345 (struct tree_niter_desc): Add control, bound and cmp fields.
10346 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10348 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10349 (tree-cfgcleanup.o): Add SCEV_H dependency.
10350 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10351 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10353 2006-02-14 Richard Guenther <rguenther@suse.de>
10355 PR tree-optimization/26258
10356 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10357 in PHI argument processing.
10359 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10361 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10362 new expression in the requested machine mode.
10364 2006-02-13 Roger Sayle <roger@eyesopen.com>
10366 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10367 directly, instead let do_compare_rtx_and_jump handle this for us.
10368 * expr.c (expand_expr_real_1): Likewise.
10369 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10370 before do_jump_by_parts_greater.
10371 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10372 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10374 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10376 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10378 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10380 PR rtl-optimization/26235
10381 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10382 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10385 2006-02-13 Jeff Law <law@redhat.com>
10387 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10390 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10392 PR middle-end/26092
10393 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10394 twice if decl is a builtin. When trying again, call get_callee_fndecl
10395 first to verify it is still a builtin.
10397 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10399 * dwarf2out.c (base_type_die): Don't add AT_name here.
10400 (subrange_type_die): Don't add AT_name here.
10401 (modified_type_die): Rearrange code flow. Do add AT_name here.
10403 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10405 PR rtl-optimization/26247
10406 PR rtl-optimization/26248
10407 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10409 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10411 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10412 * config/fixtfdi.c: Likewise.
10413 * config/fixunstfdi.c: Likewise.
10414 * config/floatditf.c: Likewise.
10416 2006-02-13 Roger Sayle <roger@eyesopen.com>
10418 PR middle-end/24427
10419 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10420 into (X,C2) if C1 is a subset of the bits of C2. Transform
10421 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10423 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10425 2006-02-13 Josh Conner <jconner@apple.com>
10428 * varasm.c (function_section): Check for section name before
10429 calling select_section on targets that define
10430 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10431 unlikely_text_section instead of hot_function_section if
10432 first_function_block_is_cold.
10434 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10436 PR middle-end/25335
10437 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10439 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10441 PR rtl-optimization/26222
10442 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10443 after tree->rtl expansion.
10444 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10445 before passing it to emit_move_insn.
10447 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10449 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10451 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10452 Clarify documentation.
10453 * c-common.h (warn_write_strings): Remove.
10454 * c-common.c (warn_write_strings): Likewise.
10455 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10458 2006-02-12 Roger Sayle <roger@eyesopen.com>
10460 PR middle-end/25724
10461 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10462 (do_jump_parts_zero_rtx): New function renamed from
10463 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10464 (do_jump_parts_equality_rtx): New function split out from
10465 do_jump_parts_equality. Old implementation renamed as above.
10466 Call do_jump_parts_zero_rtx if either operand is zero.
10467 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10468 do all of the heavy lifting.
10469 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10470 calling either do_jump_by_parts_greater_rtx or
10471 do_jump_by_parts_equality_rtx.
10472 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10473 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10474 moved to do_compare_rtx_and_jump, call it directly.
10475 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10476 mode argument. Call do_compare_rtx_and_jump.
10477 (emit_case_nodes): Update calls to do_jump_if_equal.
10479 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10481 PR rtl-optimization/26225
10482 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10484 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10486 PR rtl-optimization/26232
10487 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10489 2006-02-11 Jason Merrill <jason@redhat.com>
10492 * tree-inline.c (declare_return_variable): Just don't use the
10493 modify target if it's a gimple complex reg and the return slot
10496 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498 * doc/contrib.texi: Update my entry.
10500 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10502 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10504 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10506 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10509 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10511 * doc/invoke.texi (-floop-optimize2): Removed.
10512 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10513 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10514 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10515 * common.opt (floop-optimize2): Removed.
10516 (fmove-loop-invariants): Enabled by default.
10518 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10520 * tree-if-conv.c (combine_blocks): Free the result of
10521 get_loop_exit_edges.
10523 2006-02-10 Jeff Law <law@redhat.com>
10525 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10527 PR tree-optimization/26213
10528 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10529 loop trying to follow SSA_NAME_VALUE chains.
10531 2006-02-10 Richard Guenther <rguenther@suse.de>
10533 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10534 deal with structures that end in implicitly variable sized arrays.
10536 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10538 PR rtl-optimization/24762
10539 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10542 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10544 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10545 (struct ivopts_data): Add regs_used field.
10546 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10547 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10548 instead of loop_data->regs_used;
10549 (free_loop_data): Do not free aux fields for loops.
10550 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10551 and tree_ssa_iv_optimize_finalize.
10553 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10555 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10557 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10560 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10561 computing the effective result type.
10563 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10565 PR inline-asm/16194
10566 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10567 (tree_overlaps_hard_reg_set): Declare.
10568 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10569 type and signature to match function type expected by walk_tree.
10570 (tree_overlaps_hard_reg_set): New function.
10571 (decl_conflicts_with_clobbers_p): Rename to:
10572 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10573 Use tree_overlaps_hard_reg_set. Changed caller.
10574 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10575 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10576 * cris.c (cris_md_asm_clobbers): Likewise.
10578 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10580 * reload1.c (emit_input_reload_insns): Delete code that tries to
10581 inherit using find_equiv_reg.
10583 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10585 * c-common.h (flag_const_strings): Don't declare.
10586 * c-common.c (flag_const_strings): Remove.
10587 * c.opt (fconst_strings): Remove.
10588 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10589 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10590 (c_common_init_options): Don't set flag_const_strings.
10591 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10593 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10595 * arm.md (tlobits_cbranch): New pattern.
10596 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10597 testing a single bit.
10599 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10602 * tree-ssa-pre.c (create_component_ref_by_pieces):
10603 Handle RETURN_DECL like VAR_DECL.
10605 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10607 PR middle-end/26134
10608 * fold-const.c (fold_indirect_ref_1): Fold
10609 "*(foo *)&complexfoo" to "__real__ complexfoo"
10610 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10612 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10614 * tree-flow-inline.h (var_can_have_subvars):
10615 Volatile variables should not have subvariables.
10617 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10620 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10621 multiplying unsigned values.
10624 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10626 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10628 2006-02-08 Jason Merrill <jason@redhat.com>
10631 * tree.def: Elaborate on difference from MODIFY_EXPR.
10632 * doc/c-tree.texi (INIT_EXPR): Likewise.
10633 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10634 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10635 (gimplify_target_expr): Likewise.
10636 (gimplify_cond_expr): Remove target handling.
10637 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10638 (gimplify_expr): Clobber it here.
10639 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10640 Do return slot optimization if we have an INIT_EXPR.
10643 * tree-inline.c (declare_return_variable): Also clear
10644 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10647 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10649 PR middle-end/22439
10650 * gimplify.c (gimplify_one_sizepos): Fix typo.
10652 2006-02-08 Jeff Law <law@redhat.com>
10654 PR tree-optimization/21417
10655 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10656 across a backedge if the control statement at the end of the
10657 block is data dependent on other statements in the same block.
10658 (record_temporary_equivalences_from_stmts): Remove over-conservative
10659 test for threading across backedges.
10661 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10662 control statement, handle all three special cases in the same
10663 manner as they all have the same desired solution. No longer
10664 special case edge flag updating when the post dominator is
10667 2006-02-08 Roger Sayle <roger@eyesopen.com>
10669 * tree.def (CHAR_TYPE): Remove.
10670 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10671 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10672 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10673 (gen_string_type_die): Delete unreachable function.
10675 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10676 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10677 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10678 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10679 * builtins.c (type_to_class): Likewise.
10680 * fold-const.c (fold_convert, build_range_check,
10681 merge_ranges): Likewise.
10682 * expr.c (count_type_elements): Likewise.
10683 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10684 * stor-layout.c (layout_type): Likewise.
10685 * ipa-type-escape.c (type_to_consider): Likewise.
10686 * gimplify.c (omp_firstprivatize_type_sizes,
10687 gimplify_type_sizes): Likewise.
10688 * explow.c (promote_mode): Likewise.
10689 * tree-sra.c (is_sra_scalar_type): Likewise.
10690 * varasm.c (output_constant): Likewise.
10691 * tree-inline.c (remap_type_1): Likewise.
10692 * convert.c (convert_to_pointer, convert_to_real,
10693 convert_to_integer, convert_to_complex): Likewise.
10695 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10697 * df-scan.c (df_def_record_1): A set destination may
10698 be a parallel regardless of mode.
10700 2006-02-08 Roger Sayle <roger@eyesopen.com>
10703 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10704 * config/mips/_tilib.c: Remove.
10705 * config/fixtfdi.c: New libgcc source file.
10706 * config/fixunstfdi.c: New source file.
10707 * config/floatditf.c: New source file.
10708 * config/floatunditf.c: New souce file.
10709 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10710 files above instead of config/mips/_tilib.c.
10711 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10713 2006-02-08 Jeff Law <law@redhat.com>
10715 PR tree-optimization/26169
10716 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10719 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10721 * df.h (DF_REG_SIZE): Return the length of the initialized
10724 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10726 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10727 __muldf3): Return a correctly signed zero.
10729 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10731 * passes.c (register_one_dump_file): Accept the current properties
10732 instead of pass number. Adjust call to dump_register. Remove
10734 (register_dump_files): Now a wrapper around...
10735 (register_dump_files_1): ... this one. Do not modify the pass
10737 (next_pass_1): Cosmetic fix.
10738 (execute_todo): Keep second parameter only. Use curr_properties
10739 instead of fetching it from the pass structure. Check and set
10741 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10742 instead of fetching it from the pass structure. Fix calls to
10743 execute_todo. Update curr_properties and initialize .vcg RTL dump
10744 after running the pass. Reset last_verified.
10745 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10747 (FIRST_AUTO_NUMBERED_DUMP): New.
10748 (dump_register): Remove "num" parameter, assign it within the
10750 (get_dump_file_name): Modify template for dumps.
10751 * tree-dump.h (dump_register): Adjust prototype.
10752 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10753 (PROP_trees): Add PROP_gimple_lomp.
10754 (TODO_set_props): New.
10755 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10756 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10757 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10759 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10761 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10762 (sparc64-*-linux*): Likewise.
10763 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10764 * config/sparc/t-linux: New file.
10765 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10766 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10767 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10768 -m32 -mlong-double-128.
10770 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10771 * config/alpha/t-linux: New file.
10772 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10774 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10775 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10776 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10777 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10778 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10779 (CPP_ARCH32_SPEC): Remove.
10781 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10783 PR tree-optimization/26145
10784 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10787 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10790 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10791 >= 240000 when generating code for SOM runtime.
10792 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10793 to $$dyncall when generating code for SOM runtime..
10795 2006-02-07 Dirk Mueller <dmueller@suse.com>
10798 * doc/invoke.texi (-Wsequence-point): Update documentation
10799 that -Wsequence-point is implemented for C++ as well.
10801 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10803 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10804 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10805 (LIB_SPEC): Likewise.
10806 * doc/invoke.texi (SPARC options): Document -pthread.
10808 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10810 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10813 2006-02-07 Roger Sayle <roger@eyesopen.com>
10815 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10816 Correct comment describing BOOLEAN_TYPE.
10818 2006-02-07 Dirk Mueller <dmueller@suse.com>
10820 * c.opt: C++ frontend supports -Wdiv-by-zero.
10821 * c-opts.c (c_common_handle_option): Remove dead case.
10823 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10825 * configure.ac (TLS assembler check): Do not enable TLS by
10826 default on SPARC/Solaris before version 10.
10827 * configure: Regenerate.
10829 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10831 * doc/invoke.texi (xl-compat): Document conversion and support
10834 2006-02-07 Jeff Law <law@redhat.com>
10836 * tree-vrp.c (find_conditional_asserts): Update comments.
10837 (simplify_stmt_for_jump_threading): New.
10838 (identify_jump_threads, finalize_jump_threads): New.
10839 (vrp_finalize): Call identify_jump_threads.
10840 (execute_vrp): Call finalize_jump_threads.
10841 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10842 (vrp_element, vrp_data, vrp_element_p): Remove.
10843 (vrp_hash_elt, vrp_variables_stack): Remove.
10844 (vrp_hash, vrp_eq, record_range): Remove.
10845 (simplify_cond_and_lookup_avail_expr): Remove.
10846 (extract_range_from_cond): Remove.
10847 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10848 (simplify_stmt_for_jump_threading): New.
10849 (dom_thread_across_edge): New wrapper.
10850 (tree_ssa_dominator_optimize): No longer initialize or
10851 finalize any of the VRP datastructures. Remove iteration
10852 step and simplify as a result of removal of iteration step.
10853 (pass_dominator): Perform a cfg cleanup after DOM.
10854 (dom_opt_finalize_block): Use the new common routines
10855 for threading jumps. Simplify stack management slightly.
10856 No longer need to unwind VRP state.
10857 (record_equivalences_from_incoming_edge): No longer record
10859 (eliminate_redundant_computations): No longer call
10860 simplify_cond_and_lookup_avail_expr.
10861 * tree-flow.h (potentially_threadable_block): Prototype.
10862 (thread_across_edge): Likewise.
10863 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10864 (tree-ssa-threadedge.o): Add dependencies.
10865 * tree-ssa-threadedge.c: New file.
10866 * passes.c (init_optimization_passes): Merge PHIs before
10867 calling VRP. Run VRP again late in the SSA optimization pipeline.
10869 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10871 * df-core.c (df_set_blocks): Do not dereference function pointers.
10872 (df_finish1): Likewise.
10873 (df_hybrid_search_forward): Likewise.
10874 (df_hybrid_search_backward): Likewise.
10875 (df_iterative_dataflow): Likewise.
10876 (df_analyze_problem): Likewise.
10877 (df_compact_blocks): Likewise.
10878 (df_dump): Likewise.
10879 * df-scan.c (df_rescan_blocks): Likewise.
10880 (df_record_entry_block_defs): Likewise.
10882 * genconditions.c (write_conditions): Guard the definition of
10883 'insn_conditions' with the check on GCC version.
10884 (write_writer): Guard the traversal 'insn_conditions' with
10885 the check on GCC version.
10887 2006-02-07 Richard Guenther <rguenther@suse.de>
10891 2006-01-30 Richard Guenther <rguenther@suse.de>
10893 * gimplify.c (gimplify_target_expr): Handle easy cases
10894 without creating a temporary.
10896 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10898 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10899 use of float in probability computations. Use edge probabilities
10900 in place of statically computed probabilities.
10901 (min_spec_prob): New static variable.
10902 (schedule_insns): Initialize it.
10903 (GET_SRC_PROB): Removed.
10904 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10906 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10909 * config/ia64/unwind-ia64.c: Revert last change.
10910 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10911 (INCOMING_FRAME_SP_OFFSET): Define.
10913 2006-02-06 Roger Sayle <roger@eyesopen.com>
10915 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10917 2006-02-07 Ben Elliston <bje@au.ibm.com>
10919 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10920 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10921 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10922 (ix86_return_in_memory): Handle TDmode.
10923 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10924 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10926 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10928 * reorg.c (dbr_schedule): Use dump_file instead of file.
10930 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10933 * config/ia64/predicates.md (extr_len_operand): New predicate.
10934 * config/ia64/ia64.md (extv): Tighten constraints.
10936 (*tbit_and_2): Ditto.
10937 (*tbit_and_3): Ditto.
10938 (*tbit_or_2): Ditto.
10939 (*tbit_or_3): Ditto.
10940 (*bit_zero): Ditto.
10943 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10946 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10948 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10950 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10951 loop_optimizer_init and loop_optimizer_finalize
10952 * tree-ssa-sink.c (execute_sink_code): Ditto.
10953 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10954 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10955 tree_ssa_loop_done): Ditto.
10956 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10957 * sched-ebb.c: Include output.h.
10958 (schedule_ebbs): Do not use dump argument.
10959 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10960 * loop.c (loop_dump_stream): Removed.
10961 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10963 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10964 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10965 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10966 loop_iterations, strength_reduce, record_biv, record_giv,
10967 final_giv_value, check_final_value, check_ext_dependent_givs,
10968 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10969 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10970 dump_file instead of loop_dump_stream.
10971 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10972 argument dump_file.
10973 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10975 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10976 * haifa-sched.c: Include output.h
10977 (schedule_insns, sched_init): Do not use dump argument.
10978 * mode-switching.c (optimize_mode_switching): Ditto.
10979 * modulo-sched.c (stats_file): Removed.
10980 (print_node_sched_params): Do not call argument dump_file.
10981 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10982 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10984 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10986 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10987 rtl_loop_init, rtl_loop_done): Ditto.
10988 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10989 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10991 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10992 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10993 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10994 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10995 * emit-rtl.c (renumber_insns): Ditto.
10996 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10997 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10998 * regclass.c (regclass): Ditto.
10999 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11000 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11001 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11002 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11004 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11005 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11007 * gcse.c (gcse_file, debug_stderr): Removed.
11008 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11009 rest_of_handle_gcse): Do not use dump argument.
11010 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11011 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11012 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11013 compute_code_hoist_vbeinout, compute_code_hoist_data,
11014 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11015 compute_store_table, build_store_vectors, insert_insn_start_bb,
11016 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11017 store_motion): Use dump_file instead of gcse_file.
11018 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11019 * profile.c (profile_dump_file): Removed.
11020 (branch_prob): Use dump_file instead of profile_dump_file.
11021 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11023 * tree-ssa-copy.c (dump_copy_of): Ditto.
11024 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11025 dump file to life_analysis.
11026 * bt-load.c (branch_target_load_optimize): Ditto.
11027 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11029 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11030 regclass, dbr_schedule): Declaration changed.
11031 * sched-int.h (sched_init): Declaration changed.
11032 * tree-profile.c (tree_profile_dump_file): Removed.
11033 (tree_profile_hooks): Removed profile_dump_file hook.
11034 * rtl-profile (rtl_profile_dump_file): Removed.
11035 (rtl_profile_hooks): emoved profile_dump_file hook.
11036 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11038 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11039 * tree-cfg.c (build_tree_cfg): Ditto.
11040 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11041 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11042 Declaration changed.
11043 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11044 life_analysis and schedule_insns.
11045 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11047 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11049 * config/mips/mips.c (mips_reorg): Ditto.
11050 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11053 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11055 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11056 (s390_mangle_fundamental_type): New.
11057 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11060 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11061 (alpha_mangle_fundamental_type): New.
11062 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11065 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11067 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11069 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11070 (sparc_mangle_fundamental_type): New.
11072 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11074 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11075 (s390x-*-linux*): Likewise.
11076 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11077 * config/s390/t-linux: New file.
11079 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11081 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11082 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11084 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11086 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11087 (ANTIC_SAFE_LOADS): New macro.
11088 (find_or_generate_expression): Add prototype.
11089 (set_contains_value): Allow null set for sake of not always having
11090 to allocate ANTIC_SAFE_LOADS.
11091 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11092 Allow COMPONENT_REF too.
11093 (valid_in_set): Allow COMPONENT_REF.
11094 Check ANTIC_SAFE_LOADS too.
11095 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11096 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11098 (can_PRE_operation): Add COMPONENT_REF.
11099 (create_component_ref_by_pieces): New function.
11100 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11101 (insert_aux): Move AGGREGATE_TYPE_P check here.
11102 (compute_avail): Set bb local stmt uids.
11103 (pass_pre): Use TODO_update_ssa_only_virtuals.
11105 2006-02-06 Ben Elliston <bje@au.ibm.com>
11107 * configure.ac: Unconditionally disable decimal float by default.
11108 * configure: Regenerate.
11110 2006-02-06 Ben Elliston <bje@au.ibm.com>
11112 * read-rtl.c (read_name): Terminate reading on EOF.
11114 2006-02-06 Ben Elliston <bje@au.ibm.com>
11116 * dfp.c (decimal_real_arithmetic): Change second argument type
11117 from int to enum tree_code. Do not always return true, but now
11118 return result of any call to decimal_do helper functions.
11119 * dfp.h (decimal_real_arithmetic): Update prototype.
11121 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11123 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11125 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11128 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11131 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11133 * tree-vrp.c (cfg_loops): Removed.
11134 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11135 Use current_loops instead of cfg_loops. Pass flags to
11136 loop_optimizer_init.
11137 * cfgloopmanip.c (fix_loop_structure): Update only available
11139 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11140 loop_optimizer_init.
11141 * modulo-sched.c (build_loops_structure): Removed.
11142 (sms_schedule): Use loop_optimizer_init.
11143 * loop-init.c (loop_optimizer_init): Use flags to determine
11144 which properties of loops to prepare.
11145 (rtl_loop_init): Pass flags to loop_optimizer_init.
11146 * tree-ssa-sink.c (execute_sink_code): Ditto.
11147 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11148 * tree-ssa-pre.c (init_pre): Ditto.
11149 * cfgloop.h (LOOPS_NORMAL): New.
11150 (loop_optimizer_init): Declaration changed.
11152 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11154 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11155 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11157 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11159 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11161 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11162 * pa/t-pa64: Delete quadlib.c rule.
11163 * pa/x-ada: Revert last change.
11164 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11166 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11168 PR rtl-optimization/26087
11169 * rtlanal.c (canonicalize_condition): Do not cross basic block
11172 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11175 * config/ia64/ia64.c: Include debug.h.
11176 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11177 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11178 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11179 (process_epilogue, process_set, process_for_unwind_directive):
11180 Output unwind info only if requested. Add CFA info if requested.
11181 Add new arguments as needed. Adjust callers.
11182 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11184 (DWARF2_FRAME_INFO): Define to zero.
11185 * config/ia64/unwind-ia64.c: Remove code that compensated for
11186 the CFA offset error fixed above.
11187 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11188 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11189 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11190 -funwind-tables and -fexceptions to enable frame info.
11191 (dwarf2out_frame_init): Define initial CFA even if
11192 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11193 DWARF2_UNWIND_INFO is nonzero, not just defined.
11194 (dwarf2out_frame_finish): Output non-EH call frame info only
11195 if DWARF2_FRAME_INFO is nonzero.
11196 (convert_cfa_to_loc_list,
11197 compute_frame_pointer_to_cfa_displacement): Define even if
11198 unwind info is not supported.
11199 (gen_subprogram_die): Use the above unconditionally. Remove
11200 legacy alternate code.
11201 * toplev.c (compile_file): Compile in call to
11202 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11203 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11205 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11206 Jakub Jelinek <jakub@redhat.com>
11208 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11209 IBM extended float format long double as "g" on powerpc*-linux.
11211 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11214 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11215 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11217 2006-02-03 Jason Merrill <jason@redhat.com>
11220 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11222 PR middle-end/25977
11223 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11224 on the return slot if it's an NRV.
11226 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11228 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11229 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11230 rewrite_use): Do not handle USE_OUTER.
11231 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11232 add_iv_outer_candidates, may_replace_final_value,
11233 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11234 (find_interesting_uses_op): Functionality of
11235 find_interesting_uses_outer_or_nonlin moved here.
11236 (find_interesting_uses_outside): Use find_interesting_uses_op.
11238 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11241 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11243 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11244 Ulrich Weigand <uweigand@de.ibm.com>
11247 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11248 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11249 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11250 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11252 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11253 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11254 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11255 Define secondary reloads for TFmode moves.
11256 (constant_modes): Add TFmode.
11257 (NR_C_MODES): Set to 8.
11258 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11260 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11261 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11262 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11263 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11264 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11265 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11266 (FPR mode macro): Add TFmode.
11267 (DSF mode macro): New.
11268 (<de>, <dee> mode attributes): Removed.
11269 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11270 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11271 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11272 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11273 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11274 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11275 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11276 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11277 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11278 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11279 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11280 "*negabs<mode>2", "sqrt<mode>2"):
11281 Changed <de> to <xde>. R constraint replaced by <Rf>.
11282 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11284 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11285 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11286 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11288 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11289 "extenddftf2", "extendsftf2"): New expanders.
11290 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11291 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11292 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11293 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11295 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11296 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11297 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11298 __floatditf): Add a GCC_4.1.0 symbol version tag.
11299 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11302 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11305 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11306 Use targetm.binds_local_p instead of TREE_PUBLIC.
11308 2006-02-02 Roger Sayle <roger@eyesopen.com>
11310 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11311 on INTEGER_TYPEs to indicate that it denotes a character type.
11312 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11313 signed_char_type_node, unsigned_char_type_node and char_type_node.
11314 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11315 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11316 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11318 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11319 Daniel Berlin <dberlin@dberlin.org>
11321 * tree-tailcall.c (arg_needs_copy_p): New function.
11322 (eliminate_tail_call): Use arg_needs_copy_p.
11323 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11324 (add_virtual_phis): New function.
11326 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11328 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11329 #ignore instead of #scratch for %g7 .register directive.
11331 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11333 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11336 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11338 * flow.c (calculate_global_regs_live): Assert that there aren't any
11341 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11343 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11344 what its name says.
11345 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11346 bsi_after_labels iterator.
11347 * tree-if-conv.c (find_phi_replacement_condition,
11348 replace_phi_with_cond_modify_expr): Likewise.
11349 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11350 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11352 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11354 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11356 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11359 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11360 array after growing it.
11362 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11364 PR middle-end/24901
11365 * fold-const.c (fold_checksum_tree): Change type of buf.
11367 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11369 * reload.c (push_secondary_reload): Initialize t_icode.
11371 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11373 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11374 -msoft-float -mlong-double-128 only issue a warning, but don't
11375 swich to DFmode long double.
11377 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11379 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11380 has a constant equivalent, iterate over equivalents for arg0,
11381 calling simplify_relational_operation and if there's a result
11382 cheaper than X, apply fold_rtx and return the result.
11384 2006-02-01 Jan Hubicka <jh@suse.cz>
11386 * opts.c (no_unit_at_a_time_default): New global variable.
11387 (decode_options): Use it.
11388 * opts.h (no_unit_at_a_time_default): Declare.
11390 2006-02-01 Paul Brook <paul@codesourcery.com>
11392 * function.c (assign_parm_setup_reg): Use function argument promotion
11394 * expr.c (expand_expr_real_1): Use function argument promotion rules
11397 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11399 * gcc.c (process_command): Change j to 'unsigned int'.
11401 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11403 PR middle-end/26001
11404 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11405 Use the corrected index for the character
11406 out of the string constant.
11408 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11410 * mode-switching.c (optimize_mode_switching): Fix size
11411 allocated for bb_info[n_entities].
11413 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11415 * gcc.c (main): Correct type that is allocated for
11416 explicit_link_files.
11418 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11420 * config/s390/s390.c (init_alignment_context): Set
11421 ALIAS_SET_MEMORY_BARRIER on the MEM.
11422 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11424 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11426 PR middle-end/25933
11427 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11429 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11432 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11434 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11435 * regrename.c: Ditto.
11436 * tree-ssa-loop-im.c: Ditto.
11437 * tree-dump.c: Ditto.
11438 * tree-complex.c: Ditto.
11439 * genrecog.c: Ditto.
11440 * tree-ssa-threadupdate.c: Ditto.
11442 * java/class.c: Ditto.
11443 * java/jcf-parse.c: Ditto.
11444 * java/resource.c: Ditto.
11445 * java/except.c: Ditto.
11446 * java/jvspec.c: Ditto.
11447 * java/jcf-write.c: Ditto.
11448 * java/jcf-path.c: Ditto.
11449 * java/gjavah.c: Ditto.
11450 * java/zextract.c: Ditto.
11451 * java/jcf-io.c: Ditto.
11452 * java/jcf.h: Ditto.
11453 * java/buffer.c: Ditto.
11454 * java/lang.c: Ditto.
11455 * java/parse-scan.y: Ditto.
11456 * java/lex.c: Ditto.
11457 * java/lex.h: Ditto.
11458 * cfgloopmanip.c: Ditto.
11459 * postreload-gcse.c: Ditto.
11460 * tree-ssa-loop-manip.c: Ditto.
11461 * postreload.c: Ditto.
11462 * tree-ssa-loop-ch.c: Ditto.
11465 * cppspec.c: Ditto.
11466 * diagnostic.c: Ditto.
11468 * genoutput.c: Ditto.
11470 * cfghooks.c: Ditto.
11471 * cfgloopanal.c: Ditto.
11472 * objc/objc-act.c: Ditto.
11474 * genextract.c: Ditto.
11475 * genautomata.c: Ditto.
11476 * pretty-print.c: Ditto.
11477 * genemit.c: Ditto.
11478 * cgraphunit.c: Ditto.
11480 * df-scan.c: Ditto.
11481 * haifa-sched.c: Ditto.
11482 * dominance.c: Ditto.
11484 * tree-ssa-loop-ivopts.c: Ditto.
11485 * df-core.c: Ditto.
11486 * mode-switching.c: Ditto.
11487 * modulo-sched.c: Ditto.
11489 * ipa-pure-const.c: Ditto.
11491 * fix-header.c: Ditto.
11493 * tree-stdarg.c: Ditto.
11494 * ipa-utils.c: Ditto.
11495 * loop-init.c: Ditto.
11496 * ipa-inline.c: Ditto.
11497 * cfganal.c: Ditto.
11499 * alloc-pool.c: Ditto.
11500 * dwarf2out.c: Ditto.
11502 * genattrtab.c: Ditto.
11503 * tree-ssa-loop-ivcanon.c: Ditto.
11504 * predict.c: Ditto.
11505 * timevar.c: Ditto.
11507 * fortran/gfortranspec.c: Ditto.
11508 * regmove.c: Ditto.
11509 * local-alloc.c: Ditto.
11510 * langhooks.c: Ditto.
11511 * function.c: Ditto.
11512 * tree-vectorizer.c: Ditto.
11514 * ipa-type-escape.c: Ditto.
11516 * tree-if-conv.c: Ditto.
11517 * profile.c: Ditto.
11519 * tree-data-ref.c: Ditto.
11520 * loop-unroll.c: Ditto.
11521 * treelang/treetree.c: Ditto.
11523 * bt-load.c: Ditto.
11524 * ggc-common.c: Ditto.
11526 * coverage.c: Ditto.
11528 * tree-cfgcleanup.c: Ditto.
11529 * tree-ssa-pre.c: Ditto.
11530 * cfgcleanup.c: Ditto.
11531 * loop-invariant.c: Ditto.
11532 * loop-iv.c: Ditto.
11533 * ipa-prop.c: Ditto.
11534 * print-tree.c: Ditto.
11535 * conflict.c: Ditto.
11536 * ggc-page.c: Ditto.
11537 * sched-deps.c: Ditto.
11538 * regclass.c: Ditto.
11539 * tree-object-size.c: Ditto.
11540 * combine.c: Ditto.
11541 * bb-reorder.c: Ditto.
11542 * resource.c: Ditto.
11543 * var-tracking.c: Ditto.
11544 * cfgloop.c: Ditto.
11545 * df-problems.c: Ditto.
11546 * reg-stack.c: Ditto.
11548 * gccspec.c: Ditto.
11549 * sched-rgn.c: Ditto.
11550 * tree-ssa-structalias.c: Ditto.
11551 * tree-ssa-reassoc.c: Ditto.
11552 * config/darwin-c.c: Ditto.
11553 * config/darwin.c: Ditto.
11554 * config/arm/arm.c: Ditto.
11556 * collect2.c: Ditto.
11557 * reload1.c: Ditto.
11559 2006-01-31 Nicolas Pitre <nico@cam.org>
11561 * arm.md (smaxsi3): Make aware of smax_m1.
11564 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11566 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11568 2006-01-31 Richard Guenther <rguenther@suse.de>
11570 * doc/invoke.texi (-msselibm): Document.
11571 * target.h (expand_library_builtin): New target hook.
11572 * builtins.c (expand_builtin): Use expand_library_builtin.
11573 (default_expand_library_builtin): New function.
11574 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11575 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11576 (link_gcc_math_spec): Declare.
11577 (static_specs): Add link_gcc_math_spec.
11578 * expr.h (default_expand_library_builtin): Declare.
11579 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11580 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11581 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11582 * config/i386/i386.opt (msselibm): New target option.
11583 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11584 (ix86_init_sse_abi_builtins): New function.
11585 (ix86_expand_library_builtin): Likewise.
11586 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11587 (override_options): Handle error conditions wrt -msselibm.
11588 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11589 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11590 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11593 2006-01-31 Richard Guenther <rguenther@suse.de>
11594 Paolo Bonzini <bonzini@gnu.org>
11596 * doc/install.texi (--disable-libgcc-math): Document.
11598 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11600 * expr.h (expand_normal): new inline function.
11601 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11602 * dojump.c: use it.
11603 * dwarf2out.c: use it.
11606 * expmed.c: use it.
11607 * except.c: use it.
11608 * config/sparc/sparc.c: use it.
11609 * config/i386/i386.c: use it.
11610 * config/rs6000/rs6000.c: use it.
11611 * config/arm/arm.c: use it.
11612 * config/mips/mips.c: use it.
11613 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11615 2006-01-30 Roger Sayle <roger@eyesopen.com>
11617 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11618 argv to the appropriate type.
11620 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11622 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11625 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11628 * config/s390/s390.c (struct machine_function): New flag
11629 decomposed_literal_pool_addresses_ok_p.
11630 (s390_reorg): Set it before final stage of literal pool transforms.
11631 (s390_decompose_address): Only accept displacements of the form
11632 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11634 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11636 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11637 the comparison routine return.
11639 2006-01-30 Michael Matz <matz@suse.de>
11641 * global.c (find_reg): Only evict for global regs.
11642 Take n_refs into account and dump more info.
11644 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11647 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11648 (pragma_trap, pragma_nosave_low_regs): Likewise.
11649 (current_function_anonymous_args): Likewise.
11650 (sh_deferred_function_attributes): New variable.
11651 (sh_deferred_function_attributes_tail): Likewise.
11652 (print_operand): For '@', look up trap_exit attribute.
11653 (calc_live_regs): Look up trapa_handler attribute. For trapa
11654 handlers, save/restore fpscr, but don't do any other
11655 interrupt-specific saves.
11656 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11657 Fix check for partially saved registers to check for SHmedia.
11658 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11659 (sh_output_function_epilogue): Don't clear any of the removed
11661 (sh_insert_attributes): Don't check pragma_interrupt.
11662 Insert deferred attributes. Check that interrupt attribute is
11663 present for other attributes that require its presence.
11664 (sh_attribute_table): Add new attributes trapa_handler and
11666 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11667 Don't check for pragma_interrupt. Don't store argument.
11668 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11669 (sh_deferred_function_attributes): Declare.
11670 (sh_deferred_function_attributes_tail): Likewise.
11671 * sh.md (sp_switch_1): Add operand. Change generator caller.
11672 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11673 (*return_i): Don't use when trap_exit attribute is in effect.
11674 (*return_trapa): New insn pattern.
11675 * sh-c.c: New file.
11676 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11677 setting c_target_objs and cxx_target_objs.
11678 * t-sh: Add rule for sh-c.o.
11680 2006-01-30 Richard Guenther <rguenther@suse.de>
11683 * gimplify.c (gimplify_target_expr): Handle easy cases
11684 without creating a temporary.
11686 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11688 * vec.h (safe_grow): Remove duplicated line.
11690 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11693 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11694 (expand_omp): ... here.
11695 (expand_omp_parallel): Only remove barriers for combined
11696 parallel+workshare constructs.
11698 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11702 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11703 * tree.c (build_qualified_type): Chain the new type to the original
11704 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11705 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11706 (build_pointer_type_for_mode): Only return unqualified types.
11707 (build_reference_type_for_mode): Likewise.
11709 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11711 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11712 * Makefile.in (CXX_COMPAT_WARN): Define.
11713 * configure: Regenerate.
11715 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11718 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11721 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11723 * toplev.c: Fix thinko.
11725 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11726 Marcin Dalecki <martin@dalecki.de>
11728 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11729 (push_srcloc): Use XNEW.
11730 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11732 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11734 * df-core.c (df_set_blocks): Deleted all variable.
11736 2006-01-28 Ian Lance Taylor <ian@airs.com>
11738 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11739 cgraph_output_pending_asms.
11741 2006-01-28 Zack Weinberg <zackw@panix.com>
11743 * c.opt: Add -W(no-)overlength-strings.
11744 * doc/invoke.texi: Document it.
11745 * c-opts.c (c_common_handle_option): -pedantic implies
11746 -Woverlength-strings, if not explicitly disabled already.
11747 (c_common_post_options): -Woverlength-strings defaults to off, and
11748 is always off for C++.
11749 * c-common.c (fix_string_type): Issue warning about strings longer
11750 than is portable only if warn_overlength_strings. Rearrange code
11751 a little for clarity.
11752 * configure.in: Check for -Wno-overlength-strings as well before
11753 enabling -pedantic in stage 1.
11754 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11755 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11757 * genconditions.c (write_header, write_one_condition)
11758 (write_conditions, write_writer): Consolidate very long strings
11759 that were broken up to fit in C89 portable limit. Don't use
11760 printf when fputs will do.
11762 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11764 * combine.c (simplify_comparison <AND>): Check
11765 TRULY_NOOP_TRUNCATION before start using a subreg.
11767 * config/mips/mips.md (*branch_zero<mode>,
11768 *branch_zero<mode>_inverted, *branch_equality<mode>,
11769 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11770 Remove mode check from comparisons.
11772 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11774 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11776 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11778 * expmed.c (const_mult_add_overflow_p): Remove.
11779 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11781 * recog.c (validate_replace_rtx_subexp): Remove.
11782 * recog.h: Remove the prototype for
11783 validate_replace_rtx_subexp.
11785 * integrate.h: Remove the prototype for
11786 copy_decl_for_inlining.
11787 * rtl.h: Remove the prototype for mark_constant_function.
11788 * tree-vectorizer.h: Remove the prototype for
11789 vect_strip_conversion.
11791 * modulo-sched.c (create_partial_schedule,
11792 free_partial_schedule, reset_partial_schedule): Make them
11795 * hooks.c (hook_bool_rtx_int_false): Remove.
11796 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11798 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11800 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11801 and -mlong-double-128 are incompatible.
11802 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11803 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11804 (TARGET_LIBGCC2_CFLAGS): Define.
11805 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11806 (TARGET_LIBGCC2_CFLAGS): Same.
11807 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11809 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11812 * c-typeck.c (build_binary_op): Perform implicit casts of
11813 operands before shortening them.
11815 * cfgloopmanip.c (split_loop_bb): Remove.
11816 * cfgloop.h: Remove the prototype for split_loop_bb.
11818 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11819 * cfgloop.h: Remove the prototype for
11820 flow_loop_outside_edge_p.
11822 * emit-rtl.c (init_virtual_regs): Make it static.
11823 * function.h: Remove the prototype for init_virtual_regs.
11825 * recog.c (peephole2_optimize): Make it static.
11826 * recog.h: Remove the prototype for peephole2_optimize.
11828 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11830 * df-scan.c (df_record_entry_block_defs): Check if
11831 INCOMING_RETURN_ADDR_RTX is defined.
11833 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11834 Kenneth Zadeck <zadeck@naturalbridge.com>
11836 PR rtl-optimization/24762
11837 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11838 * targhooks.c (hook_void_bitmap): New hook prototype.
11839 * targhoohs.h (hook_void_bitmap): Ditto.
11840 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11841 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11842 * target.h (live_on_entry): New function pointer.
11843 * df-scan.c (df_all_hard_regs): Removed.
11844 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11845 (df_scan_free_internal): Added df->entry_block_defs.
11846 (df_scan_alloc): Ditto.
11847 (df_scan_dump): Ditto.
11848 (df_uses_record): Plumbed flag field properly thru calls.
11849 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11850 This part fixes PR24762.
11851 (df_bb_refs_record): Added code to make the frame and arg
11852 pointers live in EH blocks.
11853 (df_refs_record): Added call to df_record_entry_block_defs.
11854 (df_record_entry_block_defs): New function.
11855 * df-core.c: Added comments to describe new artifical defs.
11856 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11857 (entry_block_defs): New field in struct df.
11858 (df_all_hard_regs): Deleted.
11859 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11860 * df-problems.c (df_ru_bb_local_compute_process_def):
11861 Added code to handle artifical defs in the entry to a function.
11862 (df_ru_bb_local_compute): Ditto.
11863 (df_rd_bb_local_compute_process_def): Ditto.
11864 (df_rd_bb_local_compute): Ditto.
11865 (df_lr_bb_local_compute): Ditto.
11866 (df_ur_bb_local_compute): Ditto.
11867 (df_urec_bb_local_compute): Ditto.
11868 (df_chain_create_bb): Ditto.
11869 (df_ur_local_finalize): Removed entry.
11870 (df_urec_init): Ditto.
11871 (df_urec_local_finalize): Ditto.
11872 (df_ri_bb_compute): Added detection of last use of pseudos.
11873 * Makefile.in (df-scan.o): Updated dependencies.
11874 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11875 * config/mips/mips.c (mips_set_live_on_entry): Added.
11876 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11878 * dce.c (marked_insn_p): Added code to handle artifical defs.
11880 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11882 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11884 (_mm_cvtsi128_si64): Likewise.
11885 (_mm_cvtsd_si64): Likewise.
11886 (_mm_cvttsd_si64): Likewise.
11887 (_mm_cvtsi64_sd): Likewise.
11888 (_mm_cvtsi64_si128): Likewise.
11889 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11890 (_mm_cvtsi64_m64): Likewise.
11891 (_m_to_int64): Likewise.
11892 (_mm_cvtm64_si64): Likewise.
11893 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11894 (_mm_cvttss_si64): Likewise.
11895 (_mm_cvtsi64_ss): Likewise.
11896 (_mm_cvtss_f32): Likewise.
11898 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11900 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11901 for pragma redefine_extname.
11903 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11906 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11907 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11908 -mno-minimal-toc to previous content.
11909 (bispecs): Remove goal.
11910 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11911 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11912 compatibility aliases on powerpc-*-*gnu*.
11913 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11914 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11915 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11916 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11917 (ldblspecs): New goal.
11918 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11919 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11921 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11922 L_sf_to_tf or L_df_to_tf is defined.
11924 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11925 Alan Modra <amodra@bigpond.net.au>
11928 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11929 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11930 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11931 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11932 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11933 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11934 (rs6000_override_options): Initialize rs6000_ieeequad.
11935 Initialize TFmode format to ibm_extended_format if not
11937 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11939 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11940 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11941 (function_arg_advance): IBM long double passed in two FPRs, not
11943 (function_arg): IBM long double passed in FPRs.
11944 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11945 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11946 Only multireg GPR aligned.
11947 (rs6000_init_libfuncs): Enable IBM long double functions if not
11949 (rs6000_generate_compare): Use IBM long double compare if not
11951 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11952 (TARGET_IEEEQUAD): Define.
11953 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11954 not TARGET_IEEEQUAD.
11955 * config/rs6000/rs6000.md: Enable TFmode patterns if
11957 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11958 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11959 and -mlong-double-128 are incompatible.
11960 * doc/invoke.texi (-mabi): Collect options together. Add
11961 ibmlongdouble and ieeelongdouble.
11963 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11965 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11967 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11968 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11969 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11970 * rtl.h (rtunion_def): Remove rt_ptr.
11972 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11973 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11974 * config/i386/winnt.c (i386_pe_mark_dllexport)
11975 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11977 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11979 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11981 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11985 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11986 pthread_key_delete. From John David Anglin. gthrw-ify
11987 pthread_getunique_np only if it it's not a macro. Delete
11989 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11990 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11991 __gthread_objc_condition_signal, __gthread_key_delete): Add
11992 "__attribute__ ((__unused__))" to unused arguments.
11993 (__gthread_recursive_mutex_init_function): Add missing return.
11994 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11995 gthr-posix95.h: Use macro-based approach for name redirection
11996 on targets missing weakref.
11998 2006-01-26 Zack Weinberg <zackw@panix.com>
12000 * genconditions.c (write_header): In generated code, #ifdef out
12001 all includes and fake declarations, except includes of bconfig.h
12002 and system.h, unless GCC_VERSION >= 3001. Do not include
12003 gensupport.h in any case.
12004 (write_conditions): Generate a definition of struct c_test. Add
12005 a comment to the generated #endif.
12006 (write_one_condition): Escape backslashes in string too.
12007 (write_writer): Generated code must escape backslashes and quote
12008 marks (but not newlines) in the strings it writes.
12009 * Makefile.in (build/gencondmd.o): Update dependencies.
12011 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12014 * Makefile.in (insn-automata.o): Add header file dependencies.
12015 * genautomata.c: Add includes.
12017 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12020 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12022 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12024 * configure.ac: Expect target tools paths to be passed from the toplevel
12025 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12027 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12029 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12032 * c.opt (Wpointer-sign): Init to -1.
12033 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12034 OPT_pedantic, to 0 otherwise.
12035 * doc/invoke.texi: Update.
12037 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12039 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12040 constants provided by 80387 instructions in the destination mode.
12042 2006-01-26 Richard Guenther <rguenther@suse.de>
12043 Andrew Pinski <pinskia@physics.uc.edu>
12046 partial PR tree-opt/17064
12047 * tree-ssa-structalias.c (intra_create_variable_infos):
12048 Create heap variables for incoming parameters if
12049 flag_argument_noalias > 1.
12050 (find_what_p_points_to): Look through default defs of
12053 2006-01-26 Jeff Law <law@redhat.com>
12056 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12057 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12058 within the VR_RANGE, use the VR_RANGE as the result, not the
12060 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12061 bounds for the type.
12063 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12065 * tree-ssa-alias.c (maybe_create_global_var): Change
12066 subvar walking to an assertion that we don't have subvar'd variables.
12068 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12071 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12072 Use a new variable, inner. PARM_DECLs are always non-weak.
12074 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12076 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12077 --disable-checking.
12079 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12081 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12083 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12085 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12086 (smax_insn, smin_insn, smax_0, smin_0): New.
12088 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12091 * config/cris/cris.c (cris_order_for_addsi3): New function.
12092 * config/cris/cris-protos.h: Prototype it.
12093 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12094 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12095 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12096 (split for "op.S1 [rx=rx+i],ry (swapped)")
12097 (split for "op(s|u).S1 [rx=rx+i],ry")
12098 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12099 Apply cris_order_for_addsi3 when generating addsi3 insns.
12101 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12103 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12104 (TREE_BLOCK): Add call to EXPR_CHECK.
12106 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12109 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12110 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12111 (dump_omp_clauses): ... here.
12112 (dump_generic_node): Handle OMP_CLAUSE.
12113 * tree.c (omp_clause_num_ops): New.
12114 (omp_clause_code_name): New.
12115 (tree_code_size): Handle OMP_CLAUSE.
12116 (tree_size): Likewise.
12117 (make_node): Document handling of OMP_CLAUSE.
12118 (tree_node_structure): Handle OMP_CLAUSE.
12119 (omp_clause_check_failed): New.
12120 (omp_clause_range_check_failed): New.
12121 (omp_clause_operand_check_failed): New.
12122 (build_omp_clause): New.
12123 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12124 * tree.h (enum omp_clause_code): Declare.
12125 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12126 (OMP_CLAUSE_RANGE_CHECK): Define.
12127 (OMP_CLAUSE_ELT_CHECK): Define.
12128 (omp_clause_check_failed): Declare.
12129 (omp_clause_operand_check_failed): Declare.
12130 (omp_clause_range_check_failed): Declare.
12131 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12132 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12133 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12134 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12135 (OMP_CLAUSE_IF_EXPR): Likewise.
12136 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12137 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12138 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12139 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12140 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12141 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12142 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12143 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12144 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12145 (OMP_CLAUSE_CODE): Define.
12146 (OMP_CLAUSE_SET_CODE): Define.
12147 (OMP_CLAUSE_CODE): Define.
12148 (OMP_CLAUSE_OPERAND): Define.
12149 (struct tree_omp_clause): Declare.
12150 (union tree_node): Add field 'omp_clause'.
12151 * treestruct.def (TS_OMP_CLAUSE): Define.
12152 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12153 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12154 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12155 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12156 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12157 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12158 (OMP_CLAUSE): Define.
12159 * print-tree.c (print_node): Handle OMP_CLAUSE.
12160 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12161 * c-typeck.c: Likewise.
12162 * gimplify.c: Likewise.
12163 * c-omp.c: Likewise.
12164 * tree-nested.c: Likewise.
12165 * tree-inline.c: Likewise.
12166 * c-parser.c: Likewise.
12167 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12170 2006-01-25 Roger Sayle <roger@eyesopen.com>
12172 PR rtl-optimization/25703
12173 * combine.c (try_combine): Handle zero_extract and strict_low_part
12174 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12176 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12178 * global.c: Fix comment typos.
12180 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12183 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12184 Use output_addr_const instead of assemble_name.
12186 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12188 * Makefile.in (sched-vis.o): Update dependencies.
12189 * haifa-sched.c (sched_finish): Clear current_sched_info.
12190 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12191 (dump_flow_info): Call it.
12192 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12194 * basic-block.h (dump_bb_info): Declare.
12195 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12196 option, and apply options only for dump files whose TDF_RTL,
12197 TDF_TREE, or TDF_IPA bits match.
12198 * rtl.h: Declare new functions exported from sched-vis.c.
12199 * sched-vis.c: Enable also if scheduling is not used.
12200 (print_value): Print the mode of registers if not inside scheduling.
12201 (print_insn): Make it work outside the scheduler. Beautify the output
12203 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12205 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12207 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12208 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12209 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12210 depending on the value of CONSTANT_POOL_ADDRESS_P.
12211 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12213 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12214 rather than SYMBOL_REF_DECL.
12215 (rtx_constant_pool): Remove const_rtx_sym_htab.
12216 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12217 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12218 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12219 Remove handling of const_rtx_sym_htab.
12220 (find_pool_constant): Delete.
12221 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12222 rather than find_pool_constant.
12223 (get_pool_constant_for_function): Delete.
12224 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12225 find_pool_constant.
12226 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12227 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12228 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12229 (SYMBOL_REF_CONSTANT): New macro.
12230 (get_pool_constant_for_function): Delete.
12231 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12232 rather than SYMBOL_REF_DECL.
12233 (i386_pe_mark_dllimport): Likewise.
12234 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12235 rather than SYMBOL_REF_DECL.
12236 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12237 (machopic_indirect_call_target): Likewise.
12239 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12241 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12243 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12245 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12247 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12249 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12251 2006-01-24 David Daney <ddaney@avtrex.com>
12254 * configure.ac (enable_tls): New enable option.
12255 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12256 * configure: Regenerate.
12257 * doc/install.texi (--enable-tls): Document new option.
12258 (--disable-tls): Ditto.
12260 2006-01-24 Richard Henderson <rth@redehat.com>
12262 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12263 * alias.c (true_dependence): Respect it.
12264 (canon_true_dependence, write_dependence_p): Likewise.
12265 * builtins.c (get_builtin_sync_mem): Set it.
12267 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12269 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12272 2006-01-24 DJ Delorie <dj@redhat.com>
12274 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12275 for storing constants in single-bit bitfields.
12277 2006-01-25 Ben Elliston <bje@au.ibm.com>
12279 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12281 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12284 * tree-ssa-pre.c (phi_translate): Return NULL
12285 for AGGREGATE_TYPE's.
12287 2006-01-24 Zack Weinberg <zackw@panix.com>
12289 * genautomata.c (process_state_for_insn_equiv_partition):
12290 Use xcalloc for insn_arcs_array.
12291 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12292 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12294 2006-01-24 Richard Henderson <rth@redhat.com>
12296 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12297 update all callers.
12299 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12301 PR rtl-optimization/25890
12302 PR rtl-optimization/25905
12303 * combine.c (expand_compound_operation, expand_field_assignment):
12304 Fail if the bitfield's final position is out of bounds.
12306 2006-01-24 Ian Lance Taylor <ian@airs.com>
12308 PR middle-end/25930
12309 * cgraphunit.c (cgraph_output_in_order): Don't clear
12310 cgraph_asm_nodes until after asm strings have been output.
12312 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12314 * fix-header.c (read_scan_file): Add new parameter imultilib when
12315 calling register_include_chains.
12317 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12319 * omp-low.c: Update documentation.
12321 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12322 Daniel Berlin <dberlin@dberlin.org>
12326 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12327 return from the function.
12329 2006-01-22 Zack Weinberg <zackw@panix.com>
12331 * rtl.def (match_code): Add second argument.
12332 * genpreds.c (write_extract_subexp): New function.
12333 (write_match_code): Add path argument. Use write_extract_subexp.
12334 (write_predicate_expr): Pass path to write_match_code.
12335 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12336 not perform a mode test.
12337 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12338 a subexpression does not constrain the top-level code set.
12339 * read-rtl.c (read_rtx_variadic): New function.
12340 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12341 * doc/md.texi: Document new notation.
12342 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12343 (cmpsi_operand): ... here, using new notation.
12345 2006-01-22 Zack Weinberg <zackw@panix.com>
12347 * varray.c: Remove GENERATOR_FILE #ifdefs.
12349 2006-01-22 Zack Weinberg <zackw@panix.com>
12351 * genautomata.c (output_reserved_units_table): Emit nothing if
12352 description->query_units_num is zero. Remove extra blank line.
12353 (output_cpu_unit_reservation_p): Short circuit
12354 if description->query_units_num is zero.
12356 2006-01-22 Zack Weinberg <zackw@panix.com>
12358 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12359 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12360 nor any of the random handful of variables that used to be necessary
12361 when this program was linked with rtlanal.o. Prune set of forward
12362 function declarations.
12363 (struct attr_desc): Remove static_p field.
12364 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12365 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12366 (attr_string): Do not read the character one past the length of
12368 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12369 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12370 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12371 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12372 (make_automaton_attrs): New.
12373 (main): Do not call into genautomata. Call local gen_bypass
12374 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12375 Remove special case for insn_alts.
12376 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12377 varray.h (leftover from previous change). Prune set of forward
12378 function declarations. Remove state_alts fields from all
12379 structures. Remove state_alts_table from struct automaton.
12380 Make everything except main static. Do not maintain num_dfa_decls.
12381 Do not maintain state_alts fields of various structures.
12382 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12383 (add_arc): Remove state_alts argument. All callers updated.
12384 (output_reserved_units_table): Emit #ifdef here...
12385 (output_tables): ...not here. Don't generate state_alts tables.
12386 (expand_automata): Don't generate attributes.
12387 (write_automata): Don't generate state_alts functions.
12388 (main): New function.
12389 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12390 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12391 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12392 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12393 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12394 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12395 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12396 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12398 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12399 * genattrtab.h: Delete file.
12400 * Makefile.in (OBJS-common): Add insn-automata.o.
12401 (insn-automata.o): New rule.
12402 (simple_generated_c): Add insn-automata.c.
12403 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12404 (genprogmd): Add automata.
12405 (build/genattrtab): Needs no extra objects nor libraries.
12406 (build/genautomata): Needs build/vec.o and -lm.
12408 2006-01-22 Zack Weinberg <zackw@panix.com>
12410 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12411 (output_dfa_max_issue_rate, locked_states_num): Delete.
12412 (struct automaton): Add locked_states field.
12413 (output_dead_lock_vect): Save number of locked states in
12414 automaton->locked_states. If it is zero, don't print anything.
12415 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12416 (output_internal_dead_lock_func): Only test the dead_lock_vect
12417 for automata that have locked states.
12418 (output_statistics): Always print the number of locked states for
12419 each automaton. Calculate total number of locked states here.
12420 (write_automata): Don't call output_dfa_max_issue_rate.
12421 * genattrtab.c: Define length_unit_log as a const variable.
12422 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12423 max_insn_queue_index const.
12424 * final.c (length_unit_log): Declare const.
12425 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12427 2006-01-22 Zack Weinberg <zackw@panix.com>
12429 * genautomata.c: Include vec.h, not varray.h.
12430 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12431 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12432 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12433 VEC_* macros operating on appropriately typed vectors, or to
12434 malloced arrays when the size is known in advance. Const-ify
12435 many char* variables and function arguments. No functional changes.
12436 * Makefile.in (build/varray.o): Delete rule.
12437 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12438 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12440 2006-01-22 Zack Weinberg <zackw@panix.com>
12442 * gensupport.c: Define get_insn_name and record_insn_name here.
12443 (read_md_rtx): Call record_insn_name as appropriate.
12444 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12445 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12446 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12448 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12449 (BUILD_VARRAY): Delete.
12450 (genprognormal): Rename genprogmd. Fold in all programs from
12451 genprognoprint; also attrtab.
12452 (build/genattrtab): Just mention genautomata.o and varray.o.
12453 Reorganize a bit, add comments to make the categories clearer.
12455 2006-01-22 Zack Weinberg <zackw@panix.com>
12457 * genconditions.c (condition_table, add_condition): Delete.
12458 (write_conditions): Don't emit n_insn_conditions nor
12459 insn_elision_unavailable. Issue the gcc version #ifdef here,
12460 inside the table, with no #else clause ...
12461 (write_header): ...not here.
12462 (write_writer): New function.
12463 (main): Don't initialize condition_table. Use add_c_test.
12465 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12466 files on the command line.
12467 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12468 Return -1 if there is no entry in the table, don't abort.
12469 (add_c_test, traverse_c_tests): New functions.
12470 * gensupport.h (insn_elision_unavailable, insn_conditions)
12471 (n_insn_conditions): Delete declarations.
12472 (add_c_test, traverse_c_tests): Declare.
12473 * read-rtl.c: Include gensupport.h.
12474 (read_conditions): New function.
12475 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12476 (read_rtx_1): If we get EOF when we were looking for an initial
12477 open paren, return 0. Call read_conditions when appropriate.
12478 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12479 dummy-conditions.o. Eliminate references to insn-conditions.o,
12480 or change them to build/gencondmd.o, as appropriate. Remove
12481 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12482 from $(simple_generated_c). For all files remaining in those
12483 two lists, add insn-conditions.md to the generator command line.
12484 Give insn-constants.h/s-constants their own rules. Add rules
12485 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12486 (build/read-rtl.o): Depend on gensupport.h.
12487 (genprognormal): Include preds.
12488 (genprogearly): Rename genprognoprint; only difference is now that
12489 they don't link with $(BUILD_PRINT).
12490 * dummy-conditions.c: Delete.
12492 2006-01-22 Zack Weinberg <zackw@panix.com>
12494 * genextract.c: Don't include insn-config.h. Do include vec.h.
12495 Declare vectors of int, char, and locstr.
12496 (locstr): New typedef.
12497 (struct extraction): Make all array fields into bare pointers.
12498 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12499 (insn_code_number): Delete.
12500 (accum_extract): New struct.
12501 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12502 (gen_insn): Take insn_code_number as an argument. Use an
12503 accum_extract structure instead of loading data directly into
12504 a struct extraction, and having to know how big it might get.
12505 (walk_rtx): Operate entirely on an accum_extract structure.
12506 (print_path): Avoid unnecessary use of printf.
12507 (print_header): New function, split out of main. Distinguish
12508 more carefully between an unrecognizable insn and an insn that
12509 has the code number of a define_expand.
12510 (main): Pass insn_code_number to gen_insn. Call print_header
12511 only after parsing. Avoid unnecessary use of printf.
12512 * Makefile.in (build/vec.o): New rule.
12513 (build/genextract): Depend on build/vec.o.
12514 (build/genextract.o): Don't depend on insn-config.h.
12516 2006-01-22 Zack Weinberg <zackw@panix.com>
12518 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12519 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12520 practical. Eliminate per-generator-program link rules.
12522 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12524 PR middle-end/24437
12525 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12526 with a call expr to ...
12527 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12529 2006-01-23 Richard Guenther <rguenther@suse.de>
12531 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12532 before make_edge with conditional EDGE_TRUE_VALUE.
12534 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12535 Jan Hubicka <jh@suse.cz>
12536 Richard Guenther <rguenther@suse.de>
12538 PR rtl-optimization/25654
12539 * cfgexpand.c (aggregate_contains_union_type): New function.
12540 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12541 for structure variables that contain a union type.
12543 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12545 * gengtype.c (new_structure): Return the structure.
12546 (create_option): Add an extra "next" argument.
12547 (create_field): New function.
12548 (adjust_field_rtx_def): Use create_option and create_field.
12549 Remove a now-unnecessary call to find_structure.
12550 (adjust_field_tree_def): Likewise.
12551 (note_yacc_type): Remove an unnecessary call to find_structure.
12552 * gengtype.h (new_structure): Return the structure.
12553 (create_option): Add an extra argument.
12554 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12555 (option): Adjust calls to create_option.
12557 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12559 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12561 2006-01-22 Paul Brook <paul@codesourcery.com>
12562 Peter Barada <peter@the-baradas.com>
12564 * config/m68k/m68k.md: Add Coldfire FPU support.
12565 Define FP mode macro and associated attributes.
12566 Use it for float mode patterns.
12567 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12568 (LIBCALL_VALUE): Use m68k_libcall_value.
12569 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12570 (m68k_function_value): Ditto.
12571 (emit_move_sequence): Ditto.
12572 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12573 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12574 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12575 (MULTILIB_EXCEPTIONS): Ditto.
12576 * config/m68k/m68k.opt: Add mcfv4e.
12577 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12578 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12579 (m68k_output_function_prologue): Save ColdFire FPU registers.
12580 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12581 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12582 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12583 ColdFire FPU registers.
12584 (m68k_libcall_value, m68k_function_value): New functions.
12585 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12586 (LIBCALL_VALUE): Use m68k_libcall_value.
12587 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12588 (MASK_COLDFIRE): Add MASK_CFV4E.
12589 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12590 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12591 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12592 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12593 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12594 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12595 * doc/invoke.tex: Document -mcfv4e on m68k.
12597 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12599 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12602 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12605 * c-opts.c (c_common_handle_option): Don't include
12606 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12607 * doc/invoke.texi (C++ Dialect Options): Document that
12608 -Wnon-virtual-dtor is no longer included in -Wall.
12610 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12612 * gcov.c (print_version), gcov-dump.c (print_version),
12613 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12616 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12618 * df-scan.c (problem_SCAN): Added NULL reset function.
12619 (df_scan_reset_blocks): Added code to call reset block function
12620 (df_bb_refs_delete) Fixed comment.
12621 (df_insn_refs_delete): Made tolerant of deleting non existent info
12622 for dataflow problems that need to be reset.
12623 * df-core.c (df_set_blocks): Ditto.
12624 * df.h (struct df_problem): Added reset_fun.
12625 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12626 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12627 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12628 functions to clear out all references to def-use or use-def chains.
12630 2006-01-21 Ben Elliston <bje@au.ibm.com>
12632 * varasm.c (assemble_real): Initialise data array.
12634 2006-01-20 Paul Brook <paul@codesourcery.com>
12636 Merge from csl-arm-branch.
12637 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12638 * config/arm/arm.md (movdi): Force operands[1] to a register
12639 if we have a non-register source.
12640 (*arm_movdi, *movdf_soft_insn): Require that one of the
12641 operands be a register.
12642 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12643 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12645 2006-01-20 DJ Delorie <dj@redhat.com>
12647 * varasm.c (initializer_constant_valid_p): Allow pointers
12648 initialized from integer constants of lesser precision.
12649 (output_constant): Allow non-int-sized pointer modes to be
12650 initialized from integer constants.
12652 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12655 * cppdefault.h (struct default_include): Add multilib flag.
12656 * cppdefault.c (cpp_include_defaults): Set it.
12657 * c.opt (-imultilib): New option.
12658 * c-opts.c (imultilib): New.
12659 (c_common_handle_option): Handle -imultilib.
12660 (c_common_post_options): Likewise.
12661 * c-incpath.c (add_standard_paths, register_include_chains):
12663 * c-incpath.h (register_include_chains): Add extra parameter.
12664 * gcc.c (do_spec_1): Generate -imultilib option.
12665 (The Specs Language): Update %I description.
12666 (process_command): Update copyright notice.
12667 * doc/cppopts.texi (-imultilib): Document.
12668 * doc/invoke.texi (-imultilib): Include in option summary.
12669 (%I): Update specs documentation.
12671 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12673 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12675 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12677 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12680 2006-01-20 Richard Guenther <rguenther@suse.de>
12681 Steven Bosscher <stevenb.gcc@gmail.com>
12683 PR rtl-optimization/24626
12684 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12685 EDGE_TRUE_VALUE if in RTL mode.
12688 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12689 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12691 2006-01-20 Dirk Mueller <dmueller@suse.com>
12694 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12695 instead of a special NOP marker.
12696 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12697 NOP marker handling.
12698 * c-common.h (empty_body_warning): Add forward declaration.
12699 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12700 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12702 2006-01-20 Paul Brook <paul@codesourcery.com>
12704 * Makefile.in (lang_checks): Keep going if mkdir fails.
12706 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12708 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12709 be able to clean out basic block when not necessary.
12710 (df_scan_free): Fixed to properly delete information if df is
12711 unused before calling df_finish.
12712 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12713 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12715 (df_bb_refs_delete): New function.
12716 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12717 * df-core.c (df_set_blocks): Added code to properly clean out
12718 unused blocks if they are not part of the blocks to consider.
12719 Added additional null check.
12720 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12721 be able to clean out basic block when not necessary
12722 * df.h (df_free_bb_function): Ditto.
12723 (df_bb_refs_delete): New function.
12724 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12725 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12726 basic block parameter to be able to clean out basic block when not
12728 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12729 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12730 Fixed to properly delete information if df is unused before
12733 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12735 PR rtl-optimization/25799
12736 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12737 Corrected confluence operator to remove bits from op2 before oring
12738 with op1 rather than removing bits from op1.
12739 (df_ru_transfer_function): Corrected test on wrong bitmap which
12740 caused infinite loop. Both of these problems were introduced in
12741 the dataflow rewrite.
12743 2006-01-19 DJ Delorie <dj@redhat.com>
12745 * reload1.c (find_reload_regs): Note the details of reload
12746 failures in the dump file.
12747 (spill_failure): Likewise.
12749 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12751 * loop-iv.c: Include df.h and hashtab.h.
12752 (enum iv_grd_result): New enum.
12753 (DF_REF_IV, DF_REF_IV_SET): New macros.
12754 (struct biv_entry): New.
12755 (df, bivs): New global variables.
12756 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12757 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12759 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12760 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12761 analyzed_for_bivness_p, record_biv): New functions.
12762 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12763 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12764 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12766 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12768 (iv_number_of_iterations): Use new interface to iv analysis.
12769 * loop-unroll.c: Do not include varray.h.
12770 (analyze_iv_to_split_insn): Use new interface to iv
12772 * loop-unswitch.c (may_unswitch_on): Ditto.
12773 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12775 (df_bb_modify): Realloc tables to the new index.
12776 (df_find_use): New function.
12777 * df.h (df_find_use): Declare.
12778 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12780 * cfgloop.h (struct rtx_iv): Remove analysed field.
12781 (iv_get_reaching_def): Removed.
12782 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12783 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12784 (loop-iv.o): Add df.h and hashtab.h dependency.
12785 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12787 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12790 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12792 (__floatundisf, __floatundidf): Likewise.
12793 * libgcc2.h (IS_IBM_EXTENDED): Define.
12795 2006-01-19 DJ Delorie <dj@redhat.com>
12797 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12799 2006-01-19 Paul Brook <paul@codesourcery.com>
12801 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12802 as nothrow when unwinding tables are disabled.
12804 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12807 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12808 of bit-field" when in system header.
12810 2006-01-19 DJ Delorie <dj@redhat.com>
12812 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12813 the 16 bit shift limit of the m16c.
12815 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12818 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12819 * config/i386/i386.c (output_set_got): Output the label if we have one
12820 for the TARGET_DEEP_BRANCH_PREDICTION case.
12822 2006-01-19 Jan Hubicka <jh@suse.cz>
12823 H.J. Lu <hongjiu.lu@intel.com>
12824 Evandro Menezes <evandro.menezes@amd.com>
12826 * invoke.texi (generic): Document
12828 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12829 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12830 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12831 (x86_use_incdec, x86_pad_returns): New variables
12832 (TARGET_CPU_DEFAULT_generic): New constant
12833 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12834 (enum processor_type): Add generic32 and generic64.
12835 * i386.md (cpu attribute): Add generic32/generic64
12836 (movhi splitter): Behave sanely when both partial_reg_dependency and
12837 partial_reg_stall are set.
12838 (K8 splitters): Enable for generic as well.
12839 * predicates.md (incdec_operand): Use TARGET_INCDEC
12840 (aligned_operand): Avoid memory mismatch stalls.
12841 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12842 * ppro.md: Enable for generic32
12843 * i386.c (generic64_cost, generic32_cost): New.
12844 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12845 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12846 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12847 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12848 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12849 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12850 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12851 x86_accumulate_outgoing_args, x86_prologue_using_move,
12852 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12853 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12854 Enable for generic.
12855 (x86_use_incdec, x86_pad_returns): New.
12856 (override_options): Add generic32 and generic64, translate "generic"
12857 to generic32/generic64 and "i686" to "generic32", refuse
12858 "generic32"/"generic64" as arch target.
12859 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12860 (ix86_reorg): Honor PAD_RETURNS.
12862 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12864 * tree-pretty-print.c (dump_generic_node): Handle
12865 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12866 * cgraph.c (cgraph_expand_queue): Rename from
12867 cgraph_analyze_queue. Update all users.
12868 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12869 cgraph_expand_queue.
12870 (cgraph_expand_all_functions): Likewise.
12871 (cgraph_finalize_pending_functions): Remove. Update callers.
12873 * tree.h (OMP_DIRECTIVE_P): Define.
12874 (OMP_PARALLEL_FN): Define.
12875 (OMP_PARALLEL_DATA_ARG): Define.
12876 (OMP_SECTIONS_SECTIONS): Define.
12877 * tree-pass.h (pass_expand_omp): Declare.
12878 * omp-low.c (struct omp_region): Declare.
12879 (struct omp_context): Remove fields 'parallel_type',
12880 'parallel_start_ix' and 'parallel_start_additional_args'.
12882 (struct omp_for_data): Rename from struct expand_omp_for_data.
12883 (omp_regions): New static variable.
12884 (root_omp_region): New static variable.
12885 (find_omp_clause): Make static.
12886 (is_in_combined_parallel_ctx): Remove.
12887 (is_combined_parallel): New.
12888 (extract_omp_for_data): Move earlier in the file.
12889 (workshare_safe_to_combine_p): New.
12890 (get_ws_args_for): New.
12891 (determine_parallel_type): Move earlier in the file.
12892 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12894 (omp_copy_decl): Likewise.
12895 (create_omp_child_function): Likewise.
12896 (lookup_omp_region): New.
12897 (dump_omp_region): New.
12898 (debug_omp_region): New.
12899 (debug_all_omp_regions): New.
12900 (new_omp_region): New.
12901 (scan_omp_parallel): If parallel_nesting_level > 1, the
12902 directive is nested within another parallel directive.
12903 Set OMP_PARALLEL_FN.
12904 (scan_omp_for): Do not try to handle combined parallel+for
12906 Remove FIXME comment.
12907 (scan_omp_nested): Remove.
12908 (scan_omp_1): Do not call scan_omp_nested when
12909 parallel_nesting_level is > 1.
12910 Do not change the DECL_CONTEXT of local variables found.
12911 (lookup_decl_in_outer_ctx): New.
12912 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12913 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12914 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12915 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12916 If CTX is nested, lookup VAR in the outer context when
12917 building copy assignment.
12918 (lower_send_clauses): Rename from expand_send_clauses.
12919 If CTX is nested, lookup VAR in the outer context when
12920 building copy assignments.
12921 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12922 If CTX is nested, lookup VAR in the outer context when
12923 building copy assignments.
12924 (expand_parallel_call): Rename from build_parallel_call.
12925 Handle combined parallel+workshare cases.
12926 Re-implement to emit code into the CFG.
12928 (expand_omp_parallel): Re-implement to emit code into the CFG.
12929 Call move_sese_region_to_fn to outline the sub-graph
12930 containing the parallel region.
12931 (expand_omp_for_1): Remove.
12932 (expand_omp_for_generic): Re-implement to emit code into the
12934 (expand_omp_for_static_nochunk): Likewise.
12935 (expand_omp_for_static_chunk): Likewise.
12936 (expand_omp_for): Likewise.
12937 (expand_omp_sections): Likewise.
12938 (remove_exit_barriers): New.
12939 (expand_omp_synch): New.
12941 (build_omp_regions_1): New.
12942 (build_omp_regions): New.
12943 (execute_expand_omp): New.
12944 (gate_expand_omp): New.
12945 (pass_expand_omp): Define.
12946 (lower_omp_sections): Rename from expand_omp_sections.
12947 Set OMP_SECTIONS_SECTIONS.
12948 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12949 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12950 (lower_omp_single): Rename from expand_omp_simple.
12951 (lower_omp_master): Rename from expand_omp_master.
12952 (lower_omp_ordered): Rename from expand_omp_ordered.
12953 (lower_omp_critical): Rename from expand_omp_critical.
12954 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12955 (lower_omp_for): Re-implement.
12956 (lower_omp_parallel): Re-implement.
12957 (lower_regimplify): Rename from expand_regimplify.
12958 (lower_omp_1): Rename from expand_omp_1.
12959 If there are syntax errors in the program, replace every
12960 OpenMP directive with NOP.
12961 Call lower_omp_* instead of expand_omp_*.
12962 (lower_omp): Rename from expand_omp.
12964 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12965 * tree-gimple.h (enum omp_parallel_type): Remove.
12966 (gimple_boolify): Declare extern.
12967 (find_omp_clause, determine_parallel_type): Remove.
12969 * gimple-low.c (lower_omp_directive): New.
12970 (lower_stmt): Call it.
12971 (record_vars_into): Move from ...
12972 (record_vars): ... here.
12973 Call record_vars_into with current_function_decl.
12975 * gimplify.c (struct gimplify_ctx): Remove fields
12976 combined_pre_p and combined_ctxp. Update users.
12977 (get_formal_tmp_var): Add documentation.
12978 (gimple_boolify): Make extern.
12979 (gimplify_expr_in_ctx): Remove. Update callers.
12980 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12981 will always be a BIND_EXPR.
12982 (gimplify_expr): Handle OMP_RETURN_EXPR.
12983 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12984 (OMP_PARALLEL): Add 3 operands.
12985 (OMP_SECTIONS): Add 1 operand.
12986 (OMP_RETURN_EXPR): Define.
12988 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12989 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12990 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12991 creating a circular free list.
12992 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12994 * tree-flow.h (move_sese_region_to_fn): Declare.
12995 (record_vars_into): Declare.
12996 * tree-cfg.c (make_omp_sections_edges): New.
12997 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12998 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12999 OMP_SECTIONS and OMP_SECTION.
13000 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13001 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13002 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13003 (gather_blocks_in_sese_region): New.
13004 (struct move_stmt_d): Declare.
13005 (move_stmt_r): New.
13006 (move_block_to_fn): New.
13007 (move_sese_region_to_fn): New.
13009 * passes.c (init_optimization_passes): Schedule
13010 pass_expand_omp after pass_init_datastructures.
13012 * tree-ssa-operands.c (get_expr_operands): Handle
13013 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13014 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13016 2006-01-19 Jeff Law <law@redhat.com>
13018 * tree-vrp.c (extract_range_from_assert): Refine the result range
13019 if the variable referenced by the ASSERT_EXPR has a range and
13020 either the tentative result range or the previous range is a
13023 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13025 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13027 2006-01-19 Jan Hubicka <jh@suse.cz>
13029 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13031 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13033 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13034 (expand_compound_operation, expand_field_assignment): Fail if the
13035 bit lengths of an extract operation are out of range.
13036 (make_extraction): Compute wanted_inner_mode based on the position
13037 and length of the extraction. Make it extraction_mode for non-constant
13038 positions, and do not modify offset in that case. When generating a
13039 new MEM, use a mode that can hold the extraction while keeping correct
13040 alignment. Remove code that supported MEMs wrapped by USEs.
13041 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13043 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13045 * config/s390/s390.md ("Y", "y"): New mode attribute.
13046 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13047 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13048 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13049 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13050 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13051 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13052 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13053 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13054 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13055 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13056 "addsi3", "subsi3"): Insn patterns removed.
13057 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13058 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13059 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13060 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13061 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13062 "*sub<mode>3_cconly2"): New insn patterns.
13063 ("addsi3", "subsi3"): New expanders.
13065 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13067 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13068 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13069 existing STMT_VINFO_VECTYPE if available.
13070 (vect_mark_relevant): Add special handling for stmts that are
13071 marked as STMT_VINFO_IN_PATTERN_P.
13072 (vect_analyze_loop): Call vect_pattern_recog.
13073 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13074 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13076 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13077 (vect_recog_func_ptr): New function-pointer type.
13078 * tree-vect-patterns.c: New file.
13079 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13080 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13081 (vect_pattern_recog_1): New functions.
13082 (vect_pattern_recog_funcs): New array of function pointers.
13084 * tree-vectorizer.h (ternary_op): New enum value.
13085 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13086 declaration. Revised documentation. Removed redundant dump prints.
13087 Removed redundant argument. Added support for reduction patterns.
13088 (vectorizable_reduction): Added support for reduction patterns.
13089 (vect_transform_stmt): Added support for patterns.
13091 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13092 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13093 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13094 (expand_widen_pattern_expr): New function.
13095 (init_optabs): Initialize new optabs udot_prod_optab,
13097 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13098 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13099 (expand_widen_pattern_expr): New function declaration.
13100 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13102 * tree-inline.c (estimate_num_insns_1): Added cases for new
13103 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13104 * tree-pretty-print.c (dump_generic_node): Likewise.
13105 (op_prio): Likewise.
13106 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13107 * tree-ssa-operands.c (get_expr_operands): Added case for
13109 * tree-vect-patterns.c (widened_name_p): New function.
13110 (vect_recog_dot_prod_pattern): Added function implementation.
13111 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13112 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13113 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13114 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13116 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13117 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13118 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13119 (init_optabs): Initialize new optabs widen_ssum_optab,
13121 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13122 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13123 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13124 use instead of type of def.
13125 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13126 function implementation.
13127 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13128 widen_ssumv8hi): New.
13130 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13133 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13136 * c-decl.c (add_flexible_array_elts_to_size): New function.
13137 (finish_decl): Use it.
13139 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13141 * diagnostic.h: Include options.h.
13142 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13143 dependancies for diagnostic.h.
13144 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13146 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13148 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13149 (ssa_ro_call_cache_valid): Ditto.
13150 * tree-ssa-alias.c (sort_tags_by_id): New function.
13151 (init_transitive_clobber_worklist): Ditto.
13152 (add_to_worklist): Ditto.
13153 (mark_aliases_call_clobbered): Ditto.
13154 (compute_tag_properties): Ditto.
13155 (set_initial_properties): Ditto.
13156 (compute_call_clobbered): Ditto.
13157 (compute_may_aliases): Call compute_call_clobbered and grouping.
13158 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13159 (compute_flow_insensitive_aliasing): Grouping now happens in our
13161 (setup_pointers_and_addressables): Remove clobbering related code.
13162 (add_may_alias): Ditto.
13163 (replace_may_alias): Ditto.
13164 (get_nmt_for): Ditto.
13165 (create_global_var):
13166 (is_escape_site): Return an escape_type enumeration.
13167 * tree-flow-inline.h (is_call_clobbered): Global var does not
13168 imply call clobbered.
13169 (mark_call_clobbered): Take a reason for marking this. Remove
13170 marking of globalness, and cache invalidation.
13171 (clear_call_clobbered): Remove cache invalidation code.
13172 * tree-dfa.c (dump_variable): If details is on, dump the reason
13174 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13176 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13177 (struct var_ann_d): Ditto.
13178 (enum escape_type): New.
13179 (mark_call_clobbered): Adjust prototype.
13180 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13181 are never call clobbered.
13182 Record reasons for escaping.
13183 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13184 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13185 (ssa_ro_call_cache_valid): Ditto.
13186 (clobbered_v_may_defs): Ditto.
13187 (clobbered_vuses): Ditto.
13188 (ro_call_vuses): Ditto.
13189 (clobber_stats): New.
13190 (init_ssa_operands): Zero out clobber stats.
13191 (fini_ssa_operands): Print out clobber stats.
13192 (get_call_expr_operands): Pass callee fndecl to
13193 add_call_read_ops).
13194 (add_call_clobber_ops): Remove use of cache.
13195 Add use of PURE_CONST information.
13196 (add_call_read_ops): Remove use of cache.
13197 Add use of static not_read information.
13199 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13201 Introduce TLS descriptors for i386 and x86_64.
13202 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13203 (TARGET_ANY_GNU_TLS): New macro.
13204 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13205 (struct machine_function): Add tls_descriptor_call_expanded_p.
13206 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13207 (ix86_current_function_calls_tls_descriptor): Likewise.
13208 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13209 (override_options): Introduce gnu2 tls dialect.
13210 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13212 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13214 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13215 (ix86_init_machine_status): Initialize new field.
13216 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13217 (ix86_tls_module_base): New.
13218 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13219 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13220 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13221 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13222 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13223 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13224 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13225 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13226 * config/i386/predicates.md (tls_modbase_operand): New.
13227 (tp_or_register_operand): New.
13229 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13231 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13232 (look_for_address_of): Ditto.
13233 (ipa_init): Walk the function decls.
13234 (static_execute): Don't set readonly on FUNCTION_DECL's.
13236 2006-01-18 Roger Sayle <roger@eyesopen.com>
13238 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13239 for shifts where the source and destination registers are different.
13241 2006-01-18 Paul Brook <paul@codesourcery.com>
13243 Merge from csl-arm-branch.
13244 2005-03-14 Julian Brown <julian@codesourcery.com>
13245 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13246 (aeabi_llsl): Likewise.
13247 (ashrdi3): Likewise.
13248 (aeabi_lasr): Likewise.
13249 (lshrdi3): Likewise.
13250 (aeabi_llsr): Likewise.
13251 2005-03-10 Julian Brown <julian@codesourcery.com>
13252 * config.gcc: Disable shared libgcc for SymbianOS.
13253 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13255 2006-01-18 DJ Delorie <dj@redhat.com>
13257 * c-pragma.c (handle_pragma_diagnostic): New.
13258 (init_pragma): Register it.
13259 * doc/extend.texi: Document it.
13261 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13262 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13263 (diagnostic_context): Add classify_diagnostic[].
13264 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13265 as errors if they're overridden to DK_WARNING.
13266 (diagnostic_initialize): Initialize classify_diagnostic[].
13267 (diagnostic_set_kind_override): New.
13268 (diagnostic_report_diagnostic): Check for kind changes.
13269 * opts.c (common_handle_option): Take lang_mask. Update callers.
13270 Handle OPT_Werror_.
13271 * common.opt (Werror=): New.
13272 * doc/invoke.texi: Document -Werror=*
13274 2006-01-18 Jeff Law <law@redhat.com>
13276 * tree-vrp.c (test_for_singularity): Correct test for new
13277 min limit. Use operand_equal_p rather than pointer equality
13278 for testing if new min/max values are equal.
13280 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13281 using range information until after propagation and folding.
13283 2006-01-18 Richard Henderson <rth@redhat.com>
13284 Aldy Hernandez <aldyh@redhat.com>
13285 Jakub Jelinek <jakub@redhat.com>
13286 Diego Novillo <dnovillo@redhat.com>
13288 * omp-low.c: New file.
13289 * c-omp.c: New file.
13291 2006-01-18 Richard Henderson <rth@redhat.com>
13292 Jakub Jelinek <jakub@redhat.com>
13293 Diego Novillo <dnovillo@redhat.com>
13295 * doc/invoke.texi: Document -fopenmp.
13296 * tree-dump.h (debug_function): Declare.
13297 * hooks.c (hook_bool_tree_bool_false): New function.
13298 (hook_tree_tree_null): Remove.
13299 (hook_tree_tree_tree_null): New.
13300 * hooks.h: Update to match.
13301 * tree-pretty-print.c (debug_tree_chain): New.
13302 (print_generic_expr): Handle TDF_CHAIN.
13303 (dump_generic_node): Handle BLOCK.
13304 Do not abort with incomplete SWITCH_EXPRs.
13305 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13306 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13307 print space after directive name.
13308 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13309 Handle OMP_MASTER and OMP_ORDERED.
13310 Handle printing of OMP_BODY just in one place, goto
13311 dump_omp_body in the rest of OMP_* nodes that have
13313 Don't handle clause nodes here. Update omp statements to
13314 use dump_omp_clauses.
13315 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13316 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13317 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13318 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13319 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13320 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13321 Adjust output for GOMP_PARALLEL.
13322 (dump_omp_clauses): New.
13323 (print_declaration): Dump DECL_VALUE_EXPR.
13324 (op_symbol_1): Split out of op_symbol.
13325 (dumping_stmts): Remove. Update all users.
13326 * cgraph.c (cgraph_analyze_queue): New.
13327 (cgraph_add_new_function): New.
13328 * cgraph.h (cgraph_analyze_queue): Declare.
13329 (cgraph_add_new_function): Declare.
13330 (cgraph_lower_function): Remove.
13331 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13332 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13333 and TYPE_P nodes in its default clause.
13334 (empty_body_p): New.
13335 (tree_range_check_failed): New.
13336 (build5_stat): New.
13337 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13338 OMP_CLAUSE_REDUCTION_MERGE,
13339 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13340 OMP_CLAUSE_PRIVATE_DEBUG,
13341 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13342 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13343 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13344 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13345 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13346 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13347 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13348 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13349 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13350 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13351 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13352 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13353 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13354 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13355 (TREE_RANGE_CHECK): New.
13356 (empty_body_p): Declare.
13357 (enum omp_clause_default_kind): New.
13358 (build_string_literal): Declare.
13359 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13360 (build5_stat, build5): Declare.
13361 * tree-pass.h (TDF_CHAIN): Define.
13362 * tree-pass.h (PROP_gimple_lomp): Define.
13363 (pass_lower_omp): Declare.
13364 * diagnostic.h (debug_tree_chain): Declare.
13365 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13367 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13368 * builtins.c (build_string_literal): Make extern.
13369 * gcc.c (include_spec_function): New.
13370 (static_spec_functions): Add it.
13371 (main): Move load of libgomp.spec ...
13372 (LINK_COMMAND_SPEC): ... here.
13373 (link_gomp_spec): New.
13374 (static_specs): Include it.
13375 (LINK_COMMAND_SPEC): Add link_gomp.
13376 (GOMP_SELF_SPECS): New.
13377 (driver_self_specs): Include it.
13378 (switch_matches): Don't mark inline.
13379 (main): Load libgomp.spec.
13380 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13381 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13382 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13383 * tree-gimple.h (enum omp_parallel): Declare.
13384 (determine_parallel_type): Declare.
13385 (omp_firstprivatize_variable): Declare.
13386 (omp_reduction_init): Declare.
13387 (diagnose_omp_structured_block_errors): Declare.
13388 (struct walk_stmt_info): Add want_return_expr.
13389 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13390 (find_omp_clause): Declare.
13391 (insert_field_into_struct): Declare.
13392 (struct walk_stmt_info): Move from tree-nested.c
13393 (walk_stmts): Declare.
13394 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13396 * cgraphunit.c (cgraph_lower_function): Make static.
13397 (cgraph_finalize_pending_functions): New.
13398 (cgraph_finalize_function): Call it.
13399 (cgraph_finalize_compilation_unit): Likewise.
13400 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13401 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13402 (BT_FN_UINT_UINT): New.
13403 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13404 DEF_FUNCTION_TYPE_VAR_4): Document.
13405 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13406 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13407 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13408 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13409 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13410 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13411 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13412 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13413 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13414 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13415 into separate files.
13416 (DEF_GOMP_BUILTIN): New.
13417 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13418 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13419 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13420 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13421 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13422 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13423 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13424 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13425 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13426 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13427 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13428 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13429 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13430 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13431 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13432 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13433 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13434 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13435 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13436 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13437 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13438 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13439 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13440 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13441 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13442 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13443 * sync-builtins.def: New file, moved from builtins.def.
13444 * omp-builtins.def: New file, moved from builtins.def.
13445 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13446 * gimple-low.c (lower_function_body): Clear data.
13447 (lower_stmt): Do not handle COMPOUND_EXPR.
13448 Remove call to print_node_brief.
13449 * c-tree.h (c_finish_omp_clauses): New prototype.
13450 (C_DECL_THREADPRIVATE_P): Define.
13451 (lookup_name_no_remap, c_omp_remap_private): Remove
13452 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13453 (check_for_loop_decls): Update decl.
13454 (lookup_name_no_remap, c_omp_remap_private): Declare.
13455 (build_indirect_ref, build_modify_expr, pushdecl,
13456 pushdecl_top_level): Move to c-common.h.
13457 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13458 before the switch, but just in the 2 places that need it.
13459 * c-decl.c (diagnose_mismatched_decls): Do not check for
13460 mismatched thread-local attributes when OLDDECL is marked
13461 threadprivate and NEWDECL has no thread-local attributes.
13462 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13463 (c_gimple_diagnostics_recursively): Rename from
13464 c_warn_unused_result_recursively. Invoke
13465 diagnose_omp_structured_block_errors.
13466 (check_for_loop_decls): Return a singular decl found.
13467 * langhooks.c (lhd_omp_predetermined_sharing): Return
13468 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13469 (lhd_omp_firstprivatize_type_sizes): New.
13470 (lhd_omp_assignment): New.
13471 (lhd_omp_predetermined_sharing): New.
13472 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13473 (struct lang_hooks_for_types): Add
13474 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13475 omp_predetermined_sharing, omp_disregard_value_expr,
13476 omp_private_debug_clause, omp_clause_default_ctor,
13477 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13478 (c_finish_omp_clauses): New.
13479 (c_finish_bc_stmt): Diagnose break within omp for.
13480 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13481 (build_unary_op): Return error_mark after reporting
13483 (build_modify_expr): Likewise.
13484 * gimplify.c: Include optabs.h and pointer-set.h.
13485 (enum gimplify_omp_var_data): Declare.
13486 (struct gimplify_omp_ctx): Declare.
13487 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13489 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13490 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13491 (splay_tree_compare_decl_uid): New.
13492 (new_omp_context): New.
13493 (delete_omp_context): New.
13494 (gimple_add_tmp_var): Call omp_add_variable.
13495 (gimplify_bind_expr): Likewise.
13496 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13497 true, disregard DECL_VALUE_EXPR on the decl if any.
13498 (gimplify_expr_in_ctx): New.
13499 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13500 omp_add_variable, omp_notice_variable, omp_is_private
13501 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13502 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13503 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13504 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13505 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13506 gimplify_omp_atomic): New.
13507 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13508 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13509 OMP_CRITICAL and OMP_ATOMIC.
13510 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13511 * c-pragma.h (enum pragma_kind): Add
13512 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13513 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13514 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13515 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13516 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13517 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13518 PRAGMA_OMP_THREADPRIVATE.
13519 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13520 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13521 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13522 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13523 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13524 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13525 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13526 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13527 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13528 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13529 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13530 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13531 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13533 (struct nesting_info): Add field_map,
13534 suppress_expansion, debug_var_chain.
13535 (create_nesting_tree): Initialize them.
13536 (lookup_field_for_decl): Use field_map.
13537 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13538 (convert_local_omp_clauses): New.
13539 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13540 (walk_body): Split out of walk_function.
13541 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13542 (convert_nonlocal_reference): Handle omp statements.
13543 (convert_local_reference): Likewise.
13544 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13545 (unnest_nesting_tree): New.
13546 (lower_nested_functions): Call it.
13547 (insert_field_into_struct): Make extern.
13548 (struct walk_stmt_info): Move to tree-gimple.h.
13549 (walk_stmts): Make extern.
13550 * omp-builtins.def: New file.
13551 * tree-iterator.c (expr_only): Clarify comment.
13552 * c-common.h (pushdecl_top_level, pushdecl,
13553 build_modify_expr, build_indirect_ref,
13554 c_finish_omp_master, c_finish_omp_critical,
13555 c_finish_omp_ordered, c_finish_omp_barrier,
13556 c_finish_omp_atomic, c_finish_omp_flush,
13557 c_finish_omp_for, c_split_parallel_clauses,
13558 omp_clause_default_kind, c_omp_sharing_predetermined,
13559 c_omp_remap_decl): Declare.
13560 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13561 (OBJS-common): Add omp-low.o.
13562 (c-omp.o, omp-low.o): Add.
13563 (gimplify.o): Add dependency on $(OPTABS_H).
13564 (GTFILES): Add omp-low.c.
13565 (gt-stringpool.h): Add.
13566 * tree-cfg.c (set_bb_for_stmt): Do not update the
13567 block-to-labels map if we are currently expanding to RTL.
13568 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13570 Handle IDENTIFIER_NODE.
13571 (tree_verify_flow_info): Do not ICE when emitting error
13572 messages about invalid labels.
13573 (dump_function_to_file): Reset CFUN before emitting the body
13575 (debug_function): New.
13576 * passes.c (init_optimization_passes): Schedule
13578 * langhooks-def.h (lhd_omp_predetermined_sharing,
13579 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13581 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13582 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13583 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13584 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13585 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13586 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13587 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13588 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13589 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13590 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13591 (LANG_HOOK_DECLS): Use them.
13593 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13594 Richard Henderson <rth@redhat.com>
13595 Jakub Jelinek <jakub@redhat.com>
13596 Diego Novillo <dnovillo@redhat.com>
13598 * c-parser.c (pragma_omp_clause): Define.
13599 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13600 (c_parser_compound_statement): Likewise.
13601 (c_parser_statement): Likewise.
13602 (c_parser_pragma): Handle omp pragmas.
13603 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13604 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13605 (c_parser_omp_clause_name, check_no_duplicate_clause,
13606 c_parser_omp_variable_list,
13607 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13608 c_parser_omp_clause_copyprivate,
13609 c_parser_omp_clause_default,
13610 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13611 c_parser_omp_clause_lastprivate,
13612 c_parser_omp_clause_nowait,
13613 c_parser_omp_clause_num_threads,
13614 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13615 c_parser_omp_clause_reduction,
13616 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13617 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13618 c_parser_omp_atomic, c_parser_omp_barrier,
13619 c_parser_omp_critical, c_parser_omp_flush,
13620 c_parser_omp_for_loop, c_parser_omp_for,
13621 c_parser_omp_master, c_parser_omp_ordered,
13622 c_parser_omp_sections_scope, c_parser_omp_sections,
13623 c_parser_omp_parallel, c_parser_omp_single,
13624 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13625 * c-pragma.c (init_pragma): Do omp pragma registration here.
13626 * c.opt (fopenmp): New flag.
13628 2006-01-18 Eric Christopher <echristo@apple.com>
13630 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13631 * config/darwin.h (GOMP_SELF_SPECS): Define.
13633 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13635 * rtl.h: Remove the prototype for reg_alloc.
13637 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13640 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13641 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13642 sjlj and dwarf2 exception handling.
13643 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13644 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13645 * pa/pa.c (function_value): Treat complex and vector types as
13647 (function_arg): Likewise. Only pass scalar floats in the floating
13648 point argument registers.
13649 * pa/t-slibgcc-dwarf-ver: New file.
13650 * pa/t-slibgcc-sjlj-ver: New file.
13651 * pa/t-slibgcc-elf-ver: Delete file.
13653 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13655 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13656 unlikely_test_section_p test.
13658 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13660 * mode-switching.c (optimize_mode_switching): Make it static.
13661 * basic-block.h: Remove the prototype for
13662 optimize_mode_switching.
13664 * modulo-sched.c (sms_schedule): Make it static.
13665 * rtl.h: Remove the prototype for sms_schedule.
13667 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13668 * rtl.h: Remove the prototype for gcse_after_reload_main.
13670 * reg-stack.c (reg_to_stack): Make it static.
13671 * rtl.h: Remove the prototype for reg_to_stack.
13673 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13675 * rtl.h: Remove the prototypes for regrename_optimize and
13676 copyprop_hardreg_forward.
13678 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13680 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13681 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13682 Test against the appropriate null constant for the mode.
13683 If 'fixup_overlap' is true, swap the operands if they overlap.
13684 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13685 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13686 alpha_split_tmode_pair and adjust for above change.
13687 * config/alpha/alpha.md (movtf_internal): Adjust call to
13688 alpha_split_tfmode_pair and rely on it to swap the operands.
13689 (movti_internal): New insn and post-reload splitter.
13690 (movti): New expander.
13692 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13694 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13697 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13699 * rtlanal.c (global_reg_mentioned_p_1,
13700 global_reg_mentioned_p): Remove.
13701 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13703 * flow.c (initialize_uninitialized_subregs): Make it static.
13704 * rtl.h: Remove the prototype for
13705 initialize_uninitialized_subregs.
13707 * function.c (instantiate_virtual_regs): Make it static.
13708 * function.h: Remove the prototype for
13709 instantiate_virtual_regs.
13711 * regmove.c (regmove_optimize, combine_stack_adjustments):
13713 * rtl.h: Remove the prototypes for regmove_optimize and
13714 combine_stack_adjustments.
13716 2006-01-17 Roger Sayle <roger@eyesopen.com>
13718 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13719 (size_cost): Encode costs in bytes so that a reg-reg addition is
13720 equivalent to COSTS_N_INSNS(1).
13721 (override_options): Use the size_cost.branch_cost as the default
13722 ix86_branch_cost when optimizing for size.
13724 2006-01-18 Ben Elliston <bje@au.ibm.com>
13726 * Makefile.in (D32PBIT_FUNCS): New.
13727 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13728 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13729 D64PBIT_FUNCS and D128PBIT_FUNCS.
13730 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13731 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13733 (decnumber_dep): Define.
13734 * doc/libgcc.texi (Decimal float library routines): New node.
13735 * config/dfp-bit.h, config/dfp-bit.c: New files.
13737 2006-01-18 Ben Elliston <bje@au.ibm.com>
13739 * expr.c (emit_move_change_mode): Always adjust addresses, not
13740 just during reload. Copy replacements only during reload.
13741 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13742 emit_move_via_integer.
13744 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13746 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13747 instead of $(srcdir) and ${srcdir}.
13749 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13752 PR middle-end/11135
13753 * arm.h (struct machine_function): Add pic_reg.
13754 * arm.c (arm_pic_register): Make unsigned.
13755 (arm_override_options): Only set arm_pic_register if
13756 TARGET_SINGLE_PIC_BASE.
13757 (use_return_insn): Only test for a pic register if it is fixed.
13758 (arm_compute_save_reg0_reg12_mask): Likewise.
13759 (thumb_compute_save_reg_mask): Likewise.
13760 (legitimate_pic_operand): Factor out some known invariants.
13761 (legitimize_pic_address): If we don't have a fixed pic register,
13762 then set up a pseudo in the function entry sequence. Handle the
13763 pic base being in a pseudo.
13764 (arm_load_pic_register): Handle the pic register being in a pseudo.
13765 (arm_expand_prologue): Only set up the pic register if it is fixed.
13766 (thumb_expand_prologue): Likewise.
13767 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13768 (pic_load_addr_based_insn): Likewise.
13769 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13772 2006-01-18 Ben Elliston <bje@au.ibm.com>
13774 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13775 decimal float modes for all floating point registers.
13777 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13778 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13780 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13783 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13784 even when the pointer is not NULL.
13786 2006-01-16 Ian Lance Taylor <ian@airs.com>
13788 * common.opt (ftoplevel-reorder): New option.
13789 * cgraph.c (cgraph_asm_nodes): New global variable.
13790 (cgraph_asm_last_node): New static variable.
13791 (cgraph_order): New global variable.
13792 (cgraph_create_node): Set new order field.
13793 (cgraph_varpool_node): Likewise.
13794 (decide_is_variable_needed): Return true if not
13795 flag_toplevel_reorder.
13796 (cgraph_add_asm_node): New function.
13797 * cgraph.h (struct cgraph_node): Add order field.
13798 (struct cgraph_varpool_node): Add order field.
13799 (struct cgraph_asm_node): Define.
13800 (cgraph_asm_nodes, cgraph_order): Declare.
13801 (cgraph_add_asm_node): Declare.
13802 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13804 (cgraph_varpool_assemble_pending_decls): Call it.
13805 (cgraph_output_pending_asms): New static function.
13806 (cgraph_finalize_compilation_unit): Call it.
13807 (struct cgraph_order_sort): Define.
13808 (cgraph_output_in_order): New static function.
13809 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13810 !flag_toplevel_reorder case.
13811 * c-parser.c: Include "cgraph.h".
13812 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13814 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13815 than -fno-unit-at-a-time.
13816 * doc/invoke.texi (Option Summary): Mention
13817 -fno-toplevel-reorder.
13818 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13819 -funit-at-a-time documentation.
13821 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13822 Kazu Hirata <kazu@codesourcery.com>
13824 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13826 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13828 * Makefile.in (FUNCTION_H): New. Use it instead of
13829 function.h throughout the file.
13830 * function.h: Include tree.h.
13832 2006-01-17 Ben Elliston <bje@au.ibm.com>
13834 * recog.c: Separate some functions with whitespace.
13836 2006-01-16 Richard Henderson <rth@redhat.com>
13838 Merge from gomp branch:
13839 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13840 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13841 and rename from struct inline_data. Rename callee* to dst*;
13842 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13843 transform_new_cfg, transform_return_to_modify, and
13844 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13846 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13847 (copy_decl_for_dup): Remove.
13848 * tree-inline.c (struct inline_data): Move to header.
13849 (insert_decl_map): Export.
13850 (remap_decl): Update for member name changes. Use copy_decl hook.
13851 Allow for replacement to be a non-decl. Remove dead code.
13852 (remap_type_1): Check for existing mapping.
13853 (remap_type): Export.
13854 (remap_decls): Update for member name changes.
13855 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13856 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13857 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13858 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13859 (tree_function_versioning, build_duplicate_type): Likewise.
13860 (copy_body_r): Likewise. Export.
13861 (copy_decl_for_dup): Split into ...
13862 (copy_decl_for_dup_finish, copy_decl_to_var,
13863 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13864 (replace_ref_tree, inlining_p): Remove.
13866 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13868 * ifcvt.c (if_convert): Make it static.
13869 * rtl.h: Remove the prototype for if_convert.
13871 * local-alloc.c (local_alloc): Make it static.
13872 * rtl.h: Remove the prototype for local_alloc.
13874 * loop.c (loop_optimize): Make it static.
13875 * cfgloop.h: Remove the prototype for loop_optimize.
13878 2006-01-16 DJ Delorie <dj@redhat.com>
13880 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13883 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13885 * pa.md: Disparage copies between general and floating-point registers
13886 in 32-bit move patterns.
13888 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13891 * Makefile.in (check-%): Depend on site.exp instead of
13892 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13895 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13897 * global.c (global_alloc): Make it static.
13898 * rtl.h: Remove the prototype for global_alloc.
13900 2006-01-16 Richard Guenther <rguenther@suse.de>
13902 * tree-ssa-alias.c (struct used_part): Add write_only field.
13903 (get_or_create_used_part_for): Initialize it to true.
13904 (create_overlap_variables_for): Don't create structure variables
13905 for structures that only are written to.
13906 (find_used_portions): Handle MODIFY_EXPR to track whether a
13907 structure is only written to.
13909 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13911 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13913 * basic-block.h: Remove the prototype for
13914 partition_hot_cold_basic_blocks.
13916 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13918 * cppspec.c (lang_specific_spec_functions): Remove.
13919 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13920 * gcc.h (lang_specific_spec_functions): Remove.
13921 * gccspec.c (lang_specific_spec_functions): Remove.
13923 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13925 * combine.c (record_value_for_reg): Invalidate registers
13927 (record_dead_and_set_regs_1): Likewise, by passing them to
13928 record_value_for_reg.
13929 (record_dead_and_set_regs): Invalidate stores made by a
13930 call. We do not combine across a call, but we still
13931 relied on equivalences.
13933 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13935 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13936 vrp_int_const_binop returning non-constant nodes.
13938 2006-01-16 Paul Brook <paul@codesourcery.com>
13940 * config/m68k/m68k.c (output_move_const_into_data_reg):
13941 Output correct mnemonic for mvz and mvs.
13943 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13945 * rtl-factoring.c: Add sequence abstraction algorithm.
13946 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13947 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13949 (block_has_preserve_label): New function.
13950 * common.opt: Register new pass.
13951 * Makefile.in: Ditto.
13953 * timevar.def: Ditto.
13954 * tree-pass.h: Ditto.
13955 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13956 * rtl.h (make_jump_insn_raw): Add forward decl.
13957 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13959 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13960 Roger Sayle <roger@eyesopen.com>
13962 * fold-const.c (fold_minmax): New static function.
13963 (fold_binary) <MIN_EXPR>: Call it.
13964 <MAX_EXPR>: Likewise.
13965 * stor-layout.c (place_field): Use DECL_SIZE consistently
13966 in the computation of the new record size.
13968 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13970 * cse.c (cse_condition_code_reg): Make it static.
13971 * rtl.h: Remove the prototype for cse_condition_code_reg.
13973 * combine.c (combine_instructions): Make it static.
13974 * rtl.h: Remove the prototype for combine_instructions.
13976 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13979 * tree.c (get_file_function_name_long): Concatenate the first global
13980 object name with a string derived from the input filename of the object
13983 2006-01-16 Ben Elliston <bje@au.ibm.com>
13985 * config/i386/winnt-stubs.c: Update FSF address.
13986 * config/xtensa/ieee754-df.S: Ditto.
13987 * config/xtensa/ieee754-sf.S: Ditto.
13989 2006-01-14 Ian Lance Taylor <ian@airs.com>
13991 * ifcvt.c (noce_init_if_info): New static function, broken out of
13992 noce_process_if_block.
13993 (noce_process_if_block): Call noce_init_if_info.
13994 (check_cond_move_block): New static function.
13995 (cond_move_process_if_block): New static function.
13996 (process_if_block): Call cond_move_process_if_block.
13998 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14000 * cselib.c (hash_table): Rename to cselib_hash_table.
14001 (cselib_clear_table, discard_useless_values,
14002 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14003 cselib_init, cselib_finish): Adjust uses of hash_table.
14005 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14007 PR tree-optimization/25485
14008 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14009 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14010 is known to be false and true, respectively.
14012 2006-01-14 Richard Guenther <rguenther@suse.de>
14014 PR tree-optimization/22548
14015 PR tree-optimization/22555
14016 PR tree-optimization/22501
14017 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14018 * params.def (salias-max-array-elements): New parameter.
14019 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14020 * doc/invoke.texi (salias-max-array-elements): Document.
14021 * tree-flow-inline.h (var_can_have_subvars): We also handle
14023 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14025 * tree-ssa-structalias.c (params.h): Include.
14026 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14027 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14028 (get_constraint_for): For ADDR_EXPR operating on something
14029 containing an ARRAY_REF, add all subvars to the solution.
14030 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14031 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14032 for creating MUST_DEFs.
14033 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14035 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14037 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14039 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14040 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14041 number_of_iterations_le): New functions.
14042 (number_of_iterations_special): Removed.
14043 (number_of_iterations_exit): Do not use number_of_iterations_special.
14044 * tree.c (unsigned_type_for): Always return integer type.
14046 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14047 Richard Guenther <rguenther@suse.de>
14049 PR rtl-optimization/24257
14050 * gcse.c (find_moveable_store): Only consider a store movable
14051 when the SET_SRC of the insn can be assigned to a register.
14053 2006-01-14 Ian Lance Taylor <ian@airs.com>
14055 * tree.c (tree_not_class_check_failed): New function.
14056 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14057 (tree_not_class_check_failed): Declare.
14059 2006-01-13 Ian Lance Taylor <ian@airs.com>
14061 * reload1.c (do_output_reload): Add assertion rejecting a
14064 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14066 * combine.c (struct reg_stat): Add new fields truncation_label and
14068 (record_value_for_reg): Reset truncated_to_mode.
14069 (record_truncated_value): New function.
14070 (check_promoted_subreg): Call it. Rename to check_conversions.
14071 (combine_instructions): Rename check_promoted_subreg to
14073 (reg_truncated_to_mode): New function.
14074 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14075 (gen_lowpart_or_truncate): New function.
14076 (force_to_mode): Use it instead of gen_lowpart.
14078 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14080 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14081 VAR is a tag, not its type tag.
14083 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14085 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14086 alternatives to match style of other entries.
14087 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14089 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14091 PR tree-optimization/25771
14092 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14095 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14098 * tree-inline.c (declare_return_variable): If the return variable
14099 was marked as a non gimple complex, set the return slot variable
14100 to be a non gimple comple variable.
14102 2006-01-13 Richard Guenther <rguenther@suse.de>
14104 * builtins.c (expand_builtin_sincos): New function.
14105 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14107 (expand_builtin): Expand sincos using expand_builtin_sincos.
14109 2006-01-12 DJ Delorie <dj@redhat.com>
14111 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14112 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14113 so that constant shifts can be split.
14114 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14115 (m32c_valid_pointer_mode): Make static.
14116 (shift_gen_func_for): New.
14117 (m32c_prepare_shift): Use it. Split large const shifts into
14119 * config/m32c/predicates.md (shiftcount_operand): Allow more
14121 (longshiftcount_operand): New.
14122 * doc/md.texi (Machine Constraints): Document In6.
14124 2006-01-13 Ben Elliston <bje@au.ibm.com>
14126 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14127 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14130 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14132 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14133 to try to avoid clobbering pieces of structures when we know
14134 something about the whole structure.
14135 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14137 2006-01-13 Ben Elliston <bje@au.ibm.com>
14139 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14140 return in memory, as this is no limitation is no longer present.
14142 2006-01-12 DJ Delorie <dj@redhat.com>
14144 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14145 mova with fb, and for fb+0 -> An.
14147 * config/m32c/mov.md (peephole2): Fix enabling logic.
14149 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14150 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14151 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14152 FINI_ARRAY_SECTION_ASM_OP): Define.
14154 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14156 (m32c_legitimize_reload_address): New logic to reload FB to An.
14157 (m32c_output_reg_push): Add newline.
14158 (m32c_output_reg_pop): Likewise.
14160 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14162 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14164 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14166 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14168 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14170 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14173 2006-01-11 Ben Elliston <bje@au.ibm.com>
14175 * rtlanal.c (find_reg_note): Assert insn is not null.
14177 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14179 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14182 2006-01-11 Jeff Law <law@redhat.com>
14184 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14186 (mark_threaded_blocks, register_jump_thread): New functions.
14187 (thread_through_all_blocks): Remove unwanted argument. No
14188 longer rely on e->aux to communicate thread target info.
14189 Call mark_threaded_blocks. Release the threaded_blocks
14190 bitmap and threaded_edges vector when complete.
14191 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14192 (threaded_blocks): Remove.
14193 (tree_ssa_dominator_optimize): Remove initialization and
14194 finalization of threaded_blocks. Simplify call to
14195 thread_through_all_blocks.
14196 (thread_across_edge): Call register_jump_thread rather than
14197 storing thread information into e->aux.
14198 (free_all_edge_infos): Simplify now that e->aux is no longer
14199 used to communicate with thread_through_all_blocks.
14200 * tree-flow.h (thread_through_all_blocks): Update prototype.
14201 (register_jump_thread): Prototype.
14203 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14205 * df-core.c (df_compact_blocks, df_bb_replace): Use
14206 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14208 2006-01-11 Richard Guenther <rguenther@suse.de>
14210 PR tree-optimization/25734
14211 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14212 stop propagation after successful propagation to the LHS.
14214 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14216 * basic-block.h (control_flow_graph): Change the type of
14217 x_basic_block_info to VEC(basic_block,gc) *.
14218 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14220 (SET_BASIC_BLOCK): New.
14221 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14222 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14223 * cfgbuild.c (find_basic_blocks): Likewise.
14224 * cfglayout.c (fixup_reorder_chain): Likewise.
14225 * cfgrtl.c (create_basic_block_structure,
14226 rtl_create_basic_block): Likewise.
14227 * ifcvt.c (find_if_case_1): Likewise.
14228 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14231 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14233 * Makefile.in: Removed rotted odf.c entry.
14235 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14238 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14239 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14240 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14241 output pattern modifier, not %e.
14242 * config/cris/cris.c (cris_op_str): Update comment about pattern
14244 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14245 before falling through into...
14246 <case 'E'>: Redefined from old 'e' case.
14248 2006-01-11 Jan Hubicka <jh@suse.cz>
14251 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14253 2006-01-11 Jan Hubicka <jh@suse.cz>
14255 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14256 * i386.c (x86_decompose_lea): Kill.
14257 (ix86_rtx_costs): Kill.
14259 2006-01-11 Jan Hubicka <jh@suse.cz>
14261 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14262 * cgraph.h (cgraph_node): Add inline_decl.
14263 (cgraph_insert_node_to_hashtable): Declare.
14264 (save_inline_function_body): Declare.
14265 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14267 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14268 (cgraph_function_versioning): Update call of tree_function_versioning.
14269 (save_inline_function_body): New function.
14270 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14271 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14272 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14273 (cgraph_default_inline_p): Likewise.
14274 (cgraph_decide_inlining_incrementally): Likewise.
14275 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14276 (copy_bb): Kill saving; do updating of clones.
14277 (copy_cfg_body): Kill saving.
14278 (initialize_inlined-parameters): Likewise.
14279 (expand_call_inline): Likewise.
14281 (tree_function_versioning): New parameter "update_clones".
14282 (inlining_p): Kill saving.
14283 * tree-inline.h (tree_function_versioning): Update prototype.
14284 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14287 2006-01-11 Ian Lance Taylor <ian@airs.com>
14289 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14290 Allow undoing set of machine mode.
14291 (do_SUBST): Use enums instead of is_int.
14292 (do_SUBST_MODE): New function.
14293 (SUBST_MODE): New macro.
14294 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14295 reg and trying to replace reg_regno_rtx with a new register.
14296 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14297 (simplify_set): Use SUBST_MODE.
14298 (distribute_notes): Remove code that tried to update reg notes
14299 for regno_reg_rtx changes.
14301 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14303 PR tree-optimization/23109
14304 PR tree-optimization/23948
14305 PR tree-optimization/24123
14307 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14308 * tree-cfg.c (single_noncomplex_succ): New.
14309 * tree-flow.h (single_noncomplex_succ): Declare it.
14310 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14311 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14312 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14313 insert_bb, register_division_in, insert_reciprocals,
14314 replace_reciprocal, free_bb): New.
14315 (execute_cse_reciprocals_1): Rewritten.
14316 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14317 Do not commit any edge insertion. Always compute dominators and
14318 create the allocation pool.
14319 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14320 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14321 * targhooks.c (default_min_divistions_for_recip_mul): New.
14322 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14323 * passes.c (init_optimization_passes): Run recip after tree loop
14325 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14327 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14328 Kenneth Zadeck <zadeck@naturalbridge.com>
14330 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14331 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14332 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14333 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14334 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14335 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14336 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14337 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14338 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14339 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14340 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14341 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14342 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14343 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14344 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14345 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14346 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14347 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14348 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14349 DF_SCAN_POST_ALLOC): New macros.
14350 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14351 df_free_bb_function, df_local_compute_function, df_init_function,
14352 df_dataflow_function, df_confluence_function_0,
14353 df_confluence_function_n, df_transfer_function,
14354 df_finalizer_function, df_free_function, df_dump_problem_function,
14355 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14356 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14357 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14358 df_urec_bb_info, ) New types.
14359 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14361 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14362 df_analyze_simple_change_some_blocks,
14363 df_analyze_simple_change_one_block, df_compact_blocks,
14364 df_bb_replace, df_bb_regno_last_use_find,
14365 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14366 df_insn_regno_def_p, df_find_def, df_find_use,
14367 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14368 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14369 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14370 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14371 debug_df_chain, df_get_dependent_problem, df_chain_create,
14372 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14373 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14374 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14375 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14376 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14377 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14378 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14379 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14380 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14381 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14382 df_reorganize_refs, df_set_state, df_hard_reg_init,
14383 df_read_modify_subreg_p) New public functions.
14384 * df-core.c: The core dataflow solver and glue routines for rtl
14386 (df_init, df_add_problem, df_set_blocks, df_finish,
14387 df_hybrid_search_forward, df_hybrid_search_backward,
14388 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14389 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14390 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14391 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14392 df_reg_defined, df_find_use, df_reg_used, df_dump,
14393 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14394 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14395 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14396 debug_df_useno, reset_df_after_reload): New functions.
14397 * df-scan.c: The scanning fuctions, once in df.c, completely
14398 rewritten so that they now fully model the functionality of
14399 register usage at the backend.
14400 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14401 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14402 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14403 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14404 df_get_artificial_defs, df_get_artificial_uses,
14405 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14406 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14407 df_refs_delete, df_reorganize_refs, df_set_state,
14408 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14409 df_def_record_1, df_defs_record, df_uses_record,
14410 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14411 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14412 df_record_exit_block_uses, df_hard_reg_init): New functions.
14414 * df-problems.c: Seven concrete dataflow problems that use the
14415 scanning in df-scan.c and are solved by the engine in df-core.c.
14416 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14417 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14418 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14419 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14420 df_ru_free_bb_info, df_ru_alloc,
14421 df_ru_bb_local_compute_process_def,
14422 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14423 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14424 df_ru_transfer_function, df_ru_free, df_ru_dump,
14425 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14426 df_rd_free_bb_info, df_rd_alloc,
14427 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14428 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14429 df_rd_transfer_function, df_rd_free, df_rd_dump,
14430 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14431 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14432 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14433 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14434 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14435 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14436 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14437 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14438 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14439 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14440 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14441 df_urec_mark_reg_use_for_earlyclobber,
14442 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14443 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14444 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14445 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14446 df_chain_create_bb_process_use, df_chain_create_bb,
14447 df_chain_finalize, df_chain_free, df_chains_dump,
14448 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14449 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14450 df_reg_lifetime): New functions.
14451 * df.c: Deleted file.
14452 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14453 consistent with new df api.
14454 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14455 rest_of_handle_sms): Ditto.
14456 * web.c (unionfind_union, union_defs, entry_register, web_main):
14458 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14459 invariant_expr_equal_p, find_defs, check_dependencies,
14460 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14461 free_inv_motion_data, move_loop_invariants): Ditto.
14462 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14463 Update dependencies.
14464 (odf.c): Added defective entry that was deleted later in day.
14465 * sched-deps.c (sched_analyze_1): Ditto.
14467 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14469 * tree-ssa-operands.c (get_expr_operands): Record addressable
14470 variables directly. Do not call add_stmt_operands for CONST_DECLs
14472 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14473 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14475 2006-01-11 Ben Elliston <bje@au.ibm.com>
14477 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14478 function returns true in the positive case.
14480 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14483 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14484 for SI, DI, SF and DF modes. Add alternatives to copy between
14485 general and floating point registers to the 32-bit patterns.
14486 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14487 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14488 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14489 generating 64-bit code.
14490 * config/pa/pa.c (output_move_double): Handle copies between general
14491 and floating registers.
14493 2006-01-10 Stuart Hastings <stuart@apple.com>
14495 * config/i386/i386.md (set_got): Update.
14496 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14497 (builtin_setjmp_receiver): Mach-O support.
14498 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14499 (GOT_SYMBOL_NAME): Define.
14500 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14501 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14502 * config/i386/i386.c (override_options): Revise for Darwin.
14503 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14504 support. (darwin_x86_file_end): New. (output_set_got): Add label
14505 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14506 * config/i386/i386-protos.h (output_set_got): Likewise.
14507 * config/darwin.c (machopic_legitimize_pic_address): Update
14510 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14512 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14513 when MODE isn't BLKmode.
14515 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14517 PR rtl-optimization/25367
14518 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14520 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14523 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14524 for a negative bound.
14526 2006-01-10 Richard Guenther <rguenther@suse.de>
14528 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14529 Never override with anything constraint.
14531 2006-01-10 Jan Beulich <jbeulich@novell.com>
14533 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14534 256 bits when optimize_size.
14536 2006-01-10 Jan Beulich <jbeulich@novell.com>
14538 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14540 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14541 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14544 2006-01-10 Ben Elliston <bje@au.ibm.com>
14546 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14548 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14549 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14550 (USE_FP_FOR_ARG): Reject decimal float modes.
14551 (function_arg_advance): Likewise.
14552 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14553 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14554 point types in AltiVec vectors.
14555 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14556 (rs6000_libcall_value): Likewise.
14558 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14560 * config/xtensa/ieee754-df.S: New file.
14561 * config/xtensa/ieee754-sf.S: New file.
14562 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14563 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14564 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14566 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14568 * config/sh/predicates.md (binary_float_operator,
14569 binary_logical_operator, commutative_float_operator,
14570 equality_comparison_operator, greater_comparison_operator,
14571 less_comparison_operator, logical_operator,
14572 noncommutative_float_operator, shift_operator,
14573 symbol_ref_operand, unary_float_operator): Remove redundant
14576 2006-01-09 Jeff Law <law@redhat.com>
14578 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14579 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14580 now unused arguments. Callers updated.
14581 (eliminate_redundant_computations): Remove now unused arguments,
14583 (local_fold): Remove, no longer used.
14584 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14586 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14587 (simplify_cond): New function.
14588 (forward_propagate_into_cond): Call simplify_cond.
14590 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14592 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14593 (*vec_extractv2di_1_sse): New.
14595 2006-01-09 Ben Elliston <bje@au.ibm.com>
14597 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14599 2006-01-08 Richard Guenther <rguenther@suse.de>
14601 * tree-ssa-structalias.c (get_constraint_for): Remove
14602 anyoffset argument.
14603 (get_constraint_for_component_ref): Likewise.
14604 (do_deref): Likewise.
14605 (get_constraint_for): Likewise.
14606 (do_structure_copy): Likewise.
14607 (handle_ptr_arith): Likewise.
14608 (find_func_aliases): Likewise. Remove unused need_anyoffset
14611 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14612 Kaz Kojima <kkojima@gcc.gnu.org>
14614 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14615 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14616 (EXTRA_CONSTRAINT_C16): Remove.
14617 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14618 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14619 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14620 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14621 constants of SHmedia. Handle nested constant expressions of
14623 (andcosts): Fix the costs for SHmedia constants.
14624 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14625 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14626 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14627 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14628 (movv4hi_i, movv2si_i): Likewise.
14629 (movsi_const): Adjust the second operand of ior so to match with
14630 the Csu constraint.
14631 (movdi_const, movdi_const_32bit): Likewise.
14632 (movdi_const_16bit+1): Don't sign-extend LOW.
14633 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14635 (*double_shori): Fix the split condition. Use GEN_INT instead
14636 of get_int_mode calls. Mask lower 16-bit of the argument of
14638 (sym2GOTPLT): Remove.
14639 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14641 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14642 instead of EXTRA_CONSTRAINT_C16.
14644 2006-01-07 Ian Lance Taylor <ian@airs.com>
14645 David Edelsohn <edelsohn@gnu.org>
14647 PR rtl-optimization/25662
14648 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14649 for constant operands instead of simplify_gen_binary.
14650 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14651 after trying simplify_binary_operation
14653 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14655 * tree.c (iterative_hash_expr): Hash decls based on UID.
14657 2006-01-06 Eric Christopher <echristo@apple.com>
14659 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14660 (TARGET_UNWIND_EMIT): Fix spelling.
14661 * target.h (gcc_target): Add except_table_label.
14662 * except.c (output_function_exception_table): Use.
14663 * varasm.c (default_emit_except_table_label): New.
14664 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14666 (asm_out): Add here.
14667 * output.h (default_emit_except_table_label): Prototype.
14668 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14669 * config/darwin.c (darwin_emit_except_table_label): Define.
14670 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14672 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14674 PR tree-optimization/18527
14675 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14676 number_of_iterations_special, number_of_iterations_exit):
14677 Move base and step of an iv to a single structure. Add
14678 no_overflow flag, and use it in # of iterations analysis.
14679 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14680 folded_casts argument.
14681 (simple_iv): Pass base and step in a structure. Set no_overflow
14683 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14684 Evaluate expensiveness of computing # of iterations instead of
14685 the final expression.
14686 * tree-scalar-evolution.h (affine_iv): New structure.
14687 (simple_iv): Declaration changed.
14688 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14689 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14690 find_givs_in_stmt): Changed due to simple_iv change.
14692 2006-01-06 Jeff Law <law@redhat.com>
14695 * tree-cfg.c (bsi_replace): Rename final argument from
14696 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14697 change (stmt -> orig_stmt).
14698 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14699 (bsi_remove): Add new argument. Remove EH information
14701 (verify_eh_throw_table_statements): New function.
14702 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14704 * tree-optimize.c (execute_free_cfg_annotations): Verify
14705 the EH throw statement table after removing annotations.
14706 * except.h (verify_eh_throw_table_statements): Prototype.
14707 * tree-flow.h (bsi_remove): Update prototype.
14708 * tree-vrp.c (remove_range_assertions): Add new argument to
14710 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14711 * tree-complex.c (expand_complex_div_wide): Likewise.
14712 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14713 * tree-tailcall.c (eliminate_tailcall): Likewise.
14714 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14715 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14716 * tree-nrv.c (tree_nrv): Likewise.
14717 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14718 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14719 (combine_blocks): Likewise.
14720 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14721 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14722 (cleanup_control_flow): Likewise.
14723 (remove_forwarder_block): Likewise.
14724 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14725 * tree-sra.c (sra_replace): Likewise.
14726 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14727 (forward_propagate_single_use_vars): Likewise.
14728 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14729 * tree-inline.c (expand_call_inline): Likewise.
14730 * tree-vect-transform.c (vect_transform_loop): Likewise.
14731 * tree-outof-ssa.c (rewrite_trees): Likewise.
14732 * tree-cfg.c (make_goto_expr_edges): Likewise.
14733 (cleanup_dead_labels): Likewise.
14734 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14735 (bsi_move_before, bsi_move_after): Likewise.
14736 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14737 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14739 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14742 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14744 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14745 on non gimple variables. Also add checks at the top for decls and
14747 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14749 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14750 and IMAGPART_EXPR for creating MUST_DEFs.
14751 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14752 and NAME_MEMORY_TAG separately from the DECLs.
14754 2006-01-06 Richard Guenther <rguenther@suse.de>
14756 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14757 annotation, if necessary.
14758 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14759 redundant calls to update_stmt.
14760 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14763 2006-01-05 Richard Henderson <rth@redhat.com>
14765 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14767 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14769 * c-typeck.c: Update copyright date.
14771 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14773 * c-typeck.c (build_c_cast): Always warn when casting
14774 from a pointer to an integer of different size, even if
14775 the node was constant.
14777 2006-01-05 Richard Guenther <rguenther@suse.de>
14779 PR tree-optimization/22555
14780 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14781 if one structure field is an array.
14782 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14783 operands even if we found a subvar, but ignore VOPs in this
14785 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14787 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14789 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14791 PR middle-end/24998
14792 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14794 2006-01-05 Richard Guenther <rguenther@suse.de>
14795 Diego Novillo <dnovillo@redhat.com>
14797 * tree-pass.h (TODO_remove_unused_locals): Define.
14798 * gimple-low.c (expand_var_p, remove_useless_vars,
14799 pass_remove_useless_vars): Remove. Update all users.
14800 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14801 (remove_unused_locals): New function.
14802 * tree-flow.h (remove_unused_locals): Declare.
14803 * passes.c (execute_todo): Call remove_unused_locals if
14804 TODO_remove_unused_locals is set.
14805 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14806 * tree-ssa-dce.c (pass_dce): Likewise.
14807 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14809 2006-01-05 Richard Guenther <rguenther@suse.de>
14811 * tree-flow.h (struct fieldoff): Decompose field to
14812 type, size and decl.
14813 * tree-ssa-alias.c (create_sft): Take type as parameter.
14814 (create_overlap_variables_for): Store type, size and decl
14815 in the fieldoff structure.
14816 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14817 of struct fieldoff.
14818 (push_fields_onto_fieldstack): Likewise.
14819 (create_variable_info_for): Likewise. Use offset for the
14820 SFT name if the decl is not available.
14822 2006-01-04 Paul Brook <paul@codesourcery.com>
14824 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14826 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14828 * lambda-code.c (can_put_in_inner_loop): Relax
14830 (can_put_after_inner_loop): New function.
14831 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14832 (perfect_nestify): Change to make copies and modify uses.
14834 2006-01-04 Richard Henderson <rth@redhat.com>
14836 Merge from gomp branch:
14837 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14838 via integer constant.
14839 (pragma_lex): Remove.
14840 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14841 rather than parsing it.
14842 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14843 handle_pragma_extern_prefix): Add %< %> quotes.
14844 (registered_pragmas): New.
14845 (c_register_pragma_1): New.
14846 (c_register_pragma): Use it.
14847 (c_register_pragma_with_expansion): Likewise.
14848 (c_invoke_pragma_handler): New.
14849 (init_pragma): Use cpp_register_deferred_pragma directly for
14851 * c-pragma.h (enum pragma_kind): New.
14852 (pragma_handler): New.
14853 (c_invoke_pragma_handler): Declare.
14854 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14856 * c-common.h (c_common_pch_pragma): Update decl.
14857 * Makefile.in (c-parser.o): Update dependencies.
14858 (GTFILES): Add c-pragma.h.
14859 * c-parser.c (struct c_token): Add pragma_kind.
14860 (struct c_parser): Add in_pragma.
14861 (c_lex_one_token): Always initialize keyword and pragma_kind.
14862 Extract data for CPP_PRAGMA.
14863 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14864 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14865 Don't allow CPP_PRAGMA_EOL if in_pragma.
14866 (c_parser_consume_pragma): New.
14867 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14868 (c_parser_skip_to_end_of_parameter): Likewise.
14869 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14870 (c_parser_skip_to_pragma_eol): New.
14871 (c_parser_external_declaration): Handle CPP_PRAGMA.
14872 (c_parser_compound_statement_nostart): Likewise.
14873 (c_parser_statement_after_labels): Likewise.
14874 (c_parser_pragma): New.
14875 (pragma_lex): Likewise.
14876 (c_parser_pragma_pch_preprocess): New.
14877 (c_parser_new): Merge into ...
14878 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14880 2006-01-04 Jeff Law <law@redhat.com>
14883 * tree-cfg.c (bsi_replace): Remove the original statement
14884 from the EH throw statement table.
14886 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14888 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14889 make the prototype extern "C" and add throw ().
14892 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14893 and pos non-negative and pos + len <= 32.
14894 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14895 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14896 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14899 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14900 as well as sizes not multiple of component size.
14903 * function.c (instantiate_expr): New function.
14904 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14905 walk its DECL_VALUE_EXPR with instantiate_expr.
14907 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14908 DW_OP_deref{,_size} if address isn't going to be added.
14910 2006-01-04 Ben Elliston <bje@au.ibm.com>
14912 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14913 * config/fp-bit.c: Likewise.
14915 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14917 * dominance.c: Add comment about why we use DFS numbering
14920 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14921 Richard Henderson <rth@redhat.com>
14923 Merge from gomp-branch:
14924 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14925 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14927 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14929 PR rtl-optimization/25578
14930 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14931 pass a parameter to simplify_shift_const if changing ASHIFTRT
14934 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14936 * builtins.c (get_builtin_sync_mem): New function.
14937 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14938 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14939 Call get_builtin_sync_mem to generate mem rtx.
14941 2006-01-03 Richard Guenther <rguenther@suse.de>
14944 * stmt.c (add_case_node): Make sure to clear overflow flags
14947 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14949 Merge from gomp-branch.
14950 * config/sparc/sync.md: New file.
14951 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14952 UNSPECV_LDSTUB): New constants.
14953 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14954 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14955 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14958 2006-01-03 Roger Sayle <roger@eyesopen.com>
14960 * combine.c (reg_subword_p): New predicate to test whether the
14961 destination of a set refers to a subword/piece of a register.
14962 (try_combine): Generalize the code to merge the setting of a
14963 pseudo to a constant followed by a set of a subword of that
14964 register to a constant.
14966 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14968 * basic-block.h (control_flow_graph): Change the type of
14969 x_label_to_block_map to VEC(basic_block,gc) *.
14970 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14971 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14973 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14974 VEC(basic_block,heap) *.
14975 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14976 ssa_prop_fini): Adjust the uses of cfg_blocks.
14978 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14980 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14982 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14983 hashing trees instead of a pointer hash.
14984 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14985 compare for MEM_EXPR.
14987 PR rtl-optimization/25130
14988 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14989 when comparing MEMs for GCSE
14991 2006-01-03 Ben Elliston <bje@au.ibm.com>
14993 * targhooks.h (default_decimal_float_supported_p): Declare.
14994 * targhooks.c (default_decimal_float_supported_p): Define.
14995 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14996 `default_decimal_float_supported_p'.
14997 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14999 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15001 * combine.c (apply_distributive_law <SUBREG>): Check
15002 TRULY_NOOP_TRUNCATION.
15004 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15006 * dwarf2out.c (have_switched_text_section): Delete.
15007 (have_multiple_function_sections): New.
15008 (have_location_lists): Make 'bool'.
15009 (add_AT_loc_list): Use 'true' not '1'.
15010 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15011 (output_loc_list): Use have_multiple_function_sections.
15012 (output_ranges): Likewise.
15013 (dwarf2out_begin_function): Set have_multiple_function_sections if
15015 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15016 Check function_section rather than DECL_SECTION_NAME.
15017 (dwarf2out_finish): Use have_multiple_function_sections.
15018 Don't clear have_location_lists.
15020 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15021 Jan Hubicka <jh@suse.cz>
15023 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15024 case of conditional jump jumping to the next instruction.
15025 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15026 cases of conditional jump jumping to the next instruction.
15028 2006-01-02 Jan Hubicka <jh@suse.cz>
15030 * i386.c (*_cost): Add COSTS_N_INSNS.
15031 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15033 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15036 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15038 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15040 * config/arm/arm.c (all_fpus): Fix comment typo.
15041 * config/darwin.c: Likewise.
15042 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15043 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15044 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15046 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15048 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15049 (rs6000_split_compare_and_swapqhi): New.
15050 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15051 (sync_compare_and_swapqhi_internal): New.
15052 * config/rs6000/rs6000-protos.h: Declare.