1 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4 * doc/rtl.texi: Remove related documentation.
6 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
11 2006-09-15 Jim Wilson <wilson@specifix.com>
13 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
14 Handle symbol offsets same as they are handled in ia64_expand_move
17 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
19 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
20 Add forgotten parameter to the fprintf call.
22 2006-09-15 Steve Ellcey <sje@cup.hp.com>
24 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
26 2006-09-15 Uros Bizjak <uros@kss-loka.si>
28 * doc/contrib.texi: Add my entry.
30 2006-09-15 Nick Clifton <nickc@redhat.com>
32 * doc/md.texi (Processor pipeline description): Fix typo in
33 example of how to use the absence_set directive and reword the
34 description to make it slightly easier to read.
36 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
38 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
39 * loop-doloop.c (doloop_optimize): Use it to limit costs of
40 expanding the number of iterations.
41 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
43 * cfgrtl.c (emit_insn_at_entry): New function.
44 * rtl.h (emit_insn_at_entry): Declare it.
45 * integrate.c (emit_initial_value_sets): Use it.
47 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
49 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
51 (struct loop_work and related VEC declarations): Delete.
52 (bfin_dump_loops): Print out new member bad.
53 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
54 (bfin_scan_loop): Don't recurse.
55 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
56 loops. No longer need to update outer loops if the current one is
57 found bad. Move some validitiy checks to bfin_discover_loop.
58 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
59 but changed not to check for nesting. Also changed to use the new bad
61 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
62 time. Use bitmap based test to discover loop nesting.
64 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
66 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
69 2006-09-14 Richard Guenther <rguenther@suse.de>
70 Kazu Hirata <kazu@codesourcery.com>
73 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
74 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
75 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
76 with TARGET_FUNCTION_VALUE.
78 2006-09-14 Anatoly Sokolov <aesok@post.ru>
81 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
83 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
85 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
88 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
91 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
94 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
96 * basic_block.h (bb_has_eh_pred): Fix comment.
98 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
100 * flow.c (calculate_global_regs_live): Invalidate eh registers
101 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
102 (propagate_block): Handle eh registers as if they were set at basic
104 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
106 * global.c (global_conflicts): Make eh registers to conflict with
107 pseudos live at basic block begin.
108 * basic_block.h (bb_has_eh_pred): New function.
110 2006-09-13 Richard Sandiford <richard@codesourcery.com>
112 PR rtl-optimization/28982
113 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
114 index of a PRE_MODIFY or POST_MODIFY address.
115 * reload1.c (inc_for_reload): Use find_replacement on the original
116 base and index registers.
118 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
120 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
121 for -Os. Update __m128 alignment requirement.
123 2006-09-13 Jan Hubicka <jh@suse.cz>
125 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
127 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
129 PR rtl-optimization/28243
130 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
131 the insn to which the note was originally attached.
133 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
134 Roger Sayle <roger@eyesopen.com>
136 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
137 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
138 on platforms that don't use dwarf for debug info.
140 2006-09-12 Jason Merrill <jason@redhat.com>
143 * builtins.c (expand_builtin_setjmp_receiver): Clobber
144 hard_frame_pointer_rtx after using it to update the frame pointer.
146 2006-09-12 Roger Sayle <roger@eyesopen.com>
148 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
149 (TARGET_ASM_CLOSE_PAREN): Likewise.
150 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
151 (TARGET_ASM_CLOSE_PAREN): Likewise.
153 2006-09-12 Roger Sayle <roger@eyesopen.com>
156 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
157 frame information for frames larger than 512 Kbytes on Tru64 when
158 using the native assembler.
160 2006-09-12 Roger Sayle <roger@eyesopen.com>
164 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
165 and symbols. Instead use the implementation from cse.c's hash_rtx.
167 2006-09-12 Jan Hubicka <jh@suse.cz>
169 PR rtl-optimization/28071
170 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
171 (vect_transform_loop): Likewise.
172 * tree-vectorizer.c (new_loop_vec_info): Likewise.
173 (new_loop_vec_info): Likewise.
174 (destroy_loop_vec_info): Likewise.
175 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
176 (create_stmt_ann): Likewise.
177 (create_tree_ann): Rename to ...
178 (create_tree_common_ann): ... this one; allocate only the common part
180 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
181 (get_value_handle): Likewise.
182 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
184 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
185 (vinfo_for_stmt): Use stmt annotations.
186 * tree-flow.h (tree_ann_common_t): New type.
187 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
188 (tree_ann, get_tree_ann, create_tree_ann): New.
189 * tree-flow-inline.h (get_function_ann): Do more type checking.
190 (stmt_ann): Likewise.
191 (tree_ann): Rename to ...
192 (tree_common_ann): ... this one; return ony common_ann
193 (get_tree_ann): Rename to ...
194 (tree_common_ann): This one; return only common_ann.
195 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
198 2006-09-11 Geoffrey Keating <geoffk@apple.com>
200 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
203 * dwarf2out.c (dwarf_file_data): New.
204 (enum dw_val_class): Add dw_val_class_file.
205 (struct dw_val_struct): Add val_file.
206 (file_table): Change to a hash table.
207 (file_table_emitted): Delete.
208 (file_table_last_lookup_index): Delete.
210 (last_emitted_file): New.
211 (lookup_filename): Change prototype to return a struct dwarf_file_data.
212 (init_file_table): Delete.
213 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
214 (AT_addr): Add comment.
218 (print_die): Handle dw_val_class_file.
219 (print_dwarf_line_table): Update for new file table structure.
220 (attr_checksum): Do checksum a filename.
221 (same_dw_val_p, same_attr_p): Do compare a filename.
222 (size_of_die): Handle dw_val_class_file.
223 (value_format): Likewise.
224 (output_die): Likewise. Also, call maybe_emit_file here.
225 (struct file_info): Constify filenames. Make file_idx a pointer
226 to a struct dwarf_file_data.
227 (struct dir_info): Constify directory names. Remove 'used' field.
228 (struct file_name_acquire_data): New.
229 (file_name_acquire): New.
230 (output_file_names): Modify to handle new file data structures.
231 (add_src_coords_attributes): Use add_AT_file.
232 (add_call_src_coords_attributes): Likewise.
233 (dwarf2out_imported_module_or_decl): Likewise.
234 (gen_subprogram_die): Modify for new file data structures.
235 (gen_variable_die): Likewise.
236 (file_table_eq): New.
237 (file_table_hash): New.
238 (file_table_last_lookup): New.
239 (lookup_filename): Rewrite to handle new file data structures.
240 (maybe_emit_file): Rewrite to handle new file data structures.
241 (dwarf2out_source_line): Always call lookup_filename and
243 (dwarf2out_init): Create file_table here.
244 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
245 (file_table_relative_p): New.
246 (dwarf2out_finish): Change detection of relative filenames
247 to work with new file data structures. Move output_line_info call
248 after debug_info output.
250 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
255 * config/i386/i386.c (override_options): Always default to 16
258 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
261 * var-tracking.c (dump_dataflow_set): Start dumping at
263 (clobber_variable_part): Kill only the variable part in
264 registers holding it, leaving other variables alone.
266 2006-09-11 Josh Triplett <josh@freedesktop.org>
268 * doc/extend.texi (Other Builtins): Actually use the macro
269 argument in the documentation example for
270 __builtin_types_compatible_p.
272 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
274 PR rtl-optimization/28726
275 * sched-deps.c (sched_analyze_reg): New function extracted from...
276 (sched_analyze_1): ...here. Call it to analyze references to
277 registers. Treat again writes to a stack register as writing to the
279 (sched_analyze_2): ...and here. Call it to analyze references to
280 registers. Treat again reads of a stack register as reading the
283 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
284 David Edelsohn <edelsohn@gnu.org>
287 * config/rs6000/spe.md (frob_df_di): Remove %H.
288 (frob_di_df): Remove %H. Change evmergelo to mr.
289 (frob_di_df_2): Remove %H. Change evldd to two loads.
291 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
293 * doc/cpp.texi: Fix names of charset options.
295 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
298 * config/i386/i386.c (override_options): Use 128-bit
299 stack boundary always for 64bits.
301 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
303 PR rtl-optimization/28636
304 * combine.c (force_to_mode): Test for side-effects before
305 substituting by zero.
306 (simplify_shift_const): Likewise for zero or other constants.
308 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
311 * builtins.c (expand_builtin_setjmp): Force next_lab to be
314 2006-09-10 Richard Sandiford <richard@codesourcery.com>
317 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
318 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
319 returned by mode_for_size, rather than the mode of src itself,
320 to choose between 32-bit and 64-bit patterns.
321 (mips_mem_fits_mode_p): New function.
322 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
323 that the size of the source matches the size of the destination.
324 (mov_<store>l, mov_<store>r): Likewise.
326 2006-09-10 Eric Christopher <echristo@apple.com>
328 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
331 2006-09-09 Eric Christopher <echristo@apple.com>
334 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
337 2006-09-09 Roger Sayle <roger@eyesopen.com>
338 Nicolas Setton <setton@adacore.com>
340 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
342 2006-09-10 Andreas Schwab <schwab@suse.de>
344 * config/m68k/m68k.md (bungt_rev): New pattern.
346 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
347 Dale Johannesen <dalej@apple.com>
350 * regclass.c (struct reg_pref): Update documentation.
351 (regclass): Set prefclass to NO_REGS if memory is the best option.
352 (record_reg_classes): Cope with a prefclass set to NO_REGS.
354 2006-09-08 Eric Christopher <echristo@apple.com>
356 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
357 * config/t-slibgcc-darwin: Support x86_64 multilib.
358 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
359 Return 1 for x86_64-darwin.
360 * config/i386/t-darwin: Add m64 multilib.
361 (LIB2_SIDITI_CONV_FUNCS): Use.
362 (LIB2FUNCS_EXTRA): Ditto.
363 * config/i386/darwin.h: Support x86_64.
364 * config/i386/i386.c (override_options): Turn on flag_pic
365 for x86_64-darwin. Disable flag_omit_pointer.
366 (get_pc_thunk_name): Assert !TARGET_64BIT.
367 (legitimate_address_p): Disable machopic addressing for
369 (legitimize_pic_address): Ditto.
370 (ix86_expand_move): Ditto.
371 (ix86_expand_call): Ditto.
372 (machopic_output_stub): Ditto.
373 * config/darwin.c (machopic_select_section): Support literal16.
374 (machopic_select_rtx_section): Ditto.
375 * config/darwin-sections.def: Ditto.
376 * config/darwin-64.c: New.
378 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
381 * c-tree.h (struct c_arg_info): Add pending_sizes.
382 * c-parser.c (c_parser_parms_declarator,
383 c_parser_parms_list_declarator): Initialize pending_sizes.
384 * c-decl.c (get_parm_info): Initialize pending_sizes.
385 (get_parm_info): Set pending_sizes.
386 (grokdeclarator): Call put_pending_sizes for parameters for
387 function definition only.
389 2006-09-07 Jason Merrill <jason@redhat.com>
392 * varasm.c (output_constant): Only strip actual no-op conversions.
395 * config/i386/i386.c (override_options): Use 128-bit
396 stack boundary if -msse.
398 2006-09-07 Eric Christopher <echristo@apple.com>
400 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
402 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
405 2006-09-07 Geoffrey Keating <geoffk@apple.com>
407 * dwarf2out.c: Remove strange characters from comment above
408 dwarf2out_frame_debug_expr.
410 2006-09-07 Eric Christopher <echristo@apple.com>
412 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
413 * config/darwin.h: ... to here.
415 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
417 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
419 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
420 (TARGET_PARTIAL_FLAG_REG_STALL): New.
422 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
423 TARGET_PARTIAL_FLAG_REG_STALL.
424 (*ashldi3_cconly_rex64): Likewise.
425 (*ashlsi3_cmp): Likewise.
426 (*ashlsi3_cconly): Likewise.
427 (*ashlsi3_cmp_zext): Likewise.
428 (*ashlhi3_cmp): Likewise.
429 (*ashlhi3_cconly): Likewise.
430 (*ashlqi3_cmp): Likewise.
431 (*ashlqi3_cconly): Likewise.
432 (*ashrdi3_cmp_rex64): Likewise.
433 (*ashrdi3_cconly_rex64): Likewise.
434 (*ashrsi3_cmp): Likewise.
435 (*ashrsi3_cconly): Likewise.
436 (*ashrsi3_cmp_zext): Likewise.
437 (*ashrhi3_cmp): Likewise.
438 (*ashrhi3_cconly): Likewise.
439 (*ashrqi3_cmp): Likewise.
440 (*ashrqi3_cconly): Likewise.
441 (*lshrdi3_cmp_rex64): Likewise.
442 (*lshrdi3_cconly_rex64): Likewise.
443 (*lshrsi3_cmp): Likewise.
444 (*lshrsi3_cconly): Likewise.
445 (*lshrsi3_cmp_zext): Likewise.
446 (*lshrhi3_cmp): Likewise.
447 (*lshrhi3_cconly): Likewise.
448 (*lshrqi2_cmp): Likewise.
449 (*lshrqi2_cconly): Likewise.
451 2006-09-07 Uros Bizjak <uros@kss-loka.si>
454 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
455 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
456 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
457 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
458 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
459 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
460 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
461 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
462 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
463 implement only CC setting effects of shift instructions.
465 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
467 * doc/contrib.texi: Add myself.
469 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
472 * stor-layout.c (relayout_decl): Don't zero the alignment if it
475 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
478 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
479 (divsi_inv_m1): Use them.
480 (UNSPEC_DIV_INV_TABLE): New constant.
482 2006-09-06 James E Wilson <wilson@specifix.com>
485 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
486 then call count_or_remove_death_notes.
488 2006-09-06 Jason Merrill <jason@redhat.com>
491 * tree-inline.c (copy_result_decl_to_var): New fn.
492 (declare_return_variable): Use it. Call declare_inline_vars here.
493 (expand_call_inline): Not here.
495 2006-09-06 Diego Novillo <dnovillo@redhat.com>
497 * doc/contrib.texi: Update my entry.
499 2006-09-06 Nick Clifton <nickc@redhat.com>
501 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
503 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
506 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
507 (canonicalize_induction_variables): Likewise.
508 (tree_unroll_loops_completely): Likewise.
509 (tree_ssa_prefetch_arrays): Likewise.
510 (remove_empty_loops): Likewise.
511 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
512 TODO_cleanup_cfg instead of directly calling
513 cleanup_tree_cfg_loop.
514 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
516 (tree_unroll_loops_completely): Likewise.
517 (remove_empty_loops): Likewise.
518 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
519 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
520 of tree_ssa_unswitch_loops.
521 (tree_ssa_loop_ivcanon): Use the return value of
522 canonicalize_induction_variables.
523 (tree_ssa_empty_loop): Use the return value of
525 (tree_complete_unroll): Use the return value of
526 tree_unroll_loops_completely.
527 (tree_ssa_loop_prefetch): Use the return value of
528 tree_ssa_prefetch_arrays.
529 * passes.c (execute_todo): Before Cleanup CFG, set
530 updating_used_alone and after cleanup CFG, call
531 recalculate_used_alone.
533 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
536 * tree-vect-transform.c (vectorizable_condition): Move the check
537 for the type after the check for simple condition.
539 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
540 Kaz Kojima <kkojima@gcc.gnu.org>
543 * mode-switching.c (optimize_mode_switching): Make the destination
544 block of an abnormal edge have no anticipatable mode. Don't
545 insert mode switching code at the end of the source block of
548 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
550 PR rtl-optimization/26847
551 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
552 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
553 (simplify_plus_minus): Count n_constants while filling ops. Replace
554 qsort with insertion sort. Before going through the array to simplify
555 pairs, sort it. Delay early exit until after the first sort, exiting
556 only if no swaps occurred. Simplify pairs in reversed order, without
557 special-casing the first iteration. Pack ops after simplifying pairs.
559 2006-09-05 Anatoly Sokolov <aesok@post.ru>
561 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
562 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
563 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
564 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
566 2006-09-05 Richard Guenther <rguenther@suse.de>
568 PR tree-optimization/28900
569 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
570 compound conditional before creating COND_EXPR condition.
572 2006-09-05 Richard Guenther <rguenther@suse.de>
574 PR tree-optimization/28905
575 * tree-vrp.c (fix_equivalence_set): Manually implement
576 !value_ranges_intersect_p to also handle symbolic ranges.
578 2006-09-05 Richard Guenther <rguenther@suse.de>
581 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
584 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
586 PR rtl-optimization/27616
587 * cse.c (table_size): New static variable.
588 (new_basic_block): Initialize it to 0.
589 (remove_from_table): Decrement it.
590 (insert): Increment it.
591 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
592 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
593 fold_rtx_mem_1 if under the cap.
594 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
595 the lookup of the equivalent expression and test for equality of the
596 first operand of the equivalent expression before in turn looking up
597 an equivalent constant for the second operand.
599 2006-09-02 Geoffrey Keating <geoffk@apple.com>
602 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
603 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
604 pointer, instead of assuming it is possible to derive the
605 correct args size from a call insn.
607 2006-09-02 Jakub Jelinek <jakub@redhat.com>
610 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
611 (fold_builtin_mempcpy): Rename to...
612 (fold_builtin_memory_op): ... this. Optimize one element copy
614 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
616 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
617 (expand_builtin_memcpy, expand_builtin_mempcpy,
618 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
619 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
620 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
621 BUILT_IN_MEM{CPY,PCPY,MOVE}.
623 2006-09-01 DJ Delorie <dj@redhat.com>
625 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
627 ("stzx_24_<mode>"): Likewise.
628 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
629 ("cmp<mode>_op"): New.
630 (cmp<mode>): Change to expander; just save operands.
632 (b<code>): Change to expander, emit compare here.
633 (s<code>_op): Change to use split and expander.
634 (s<code>_24_op): Likewise.
635 (s<code>_<mode>): New.
636 (s<code>_<mode>_24): New.
637 (movqicc_<code>_<mode): New.
638 (movhicc_<code>_<mode>): New.
641 * config/m32c/m32c.c (compare_op0, compare_op1): New.
642 (m32c_pend_compare): New.
643 (m32c_unpend_compare): New.
644 (m32c_expand_scc): New.
645 (m32c_expand_movcc): Emit the compare also.
646 * config/m32c/predicates.md (mra_nopp_operand): New.
648 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
649 Richard Guenther <rguenther@suse.de>
650 Adam Nemet <anemet@caviumnetworks.com>
653 * builtins.c (get_pointer_alignment): Handle more forms
654 of base addresses that can be used to derive more precise
655 information about alignment.
657 2006-09-01 Jason Merrill <jason@redhat.com>
660 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
663 * gimplify.c (voidify_wrapper_expr): Handle null type.
665 2006-09-01 Josh Conner <jconner@apple.com>
668 * tree-nrv.c (dest_safe_for_nrv_p): New function.
669 (execute_return_slot_opt): Use it.
671 2006-08-31 Josh Conner <jconner@apple.com>
674 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
675 returning aggregates.
677 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
679 PR tree-optimization/28839
680 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
681 blocks in that phi arguments appear.
683 2006-08-31 Roger Sayle <roger@eyesopen.com>
686 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
687 NULL, otherwise use an advance_loc4 to adjust relative to the
689 (output_cfi) <DW_CFA_set_loc>: Update the current label.
690 (dwarf2out_switch_text_section): Reset the current label to avoid
691 using advance_loc4 over section boundaries.
693 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
696 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
697 r12 + SYMBOLIC_CONST.
699 2006-08-30 Richard Guenther <rguenther@suse.de>
701 * Makefile.in (see.o): Add $(EXPR_H) dependency.
703 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
705 PR rtl-optimization/27735
706 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
707 Add new argument to keep track of whether an irreducible region
708 was affected. All callers changed.
709 (fix_irreducible_loops): Removed.
710 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
711 flags were invalidated.
713 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
715 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
716 instead of SF operands.
717 (*fop_df_comm_sse): Likewise.
718 (*fop_df_comm_i387): Likewise.
719 (*fop_df_1_mixed): Likewise.
720 (*fop_df_1_sse): Likewise.
722 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
723 J"orn Rennecke <joern.rennecke@st.com>
725 PR tree-optimization/17506
726 * tree-ssa.c (warn_uninit): If warning about a location outside of
727 the current function, note where the variable was declared.
729 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
731 PR tree-optimization/28411
732 * double-int.c (double_int_div): Use double_int_divmod.
733 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
734 double_int_mod, double_int_smod, double_int_umod): New functions.
735 * double-int.h (double_int_divmod, double_int_sdivmod,
736 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
738 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
740 (get_computation_aff, get_computation_cost_at): Handle double_int
741 return type of constant_multiple_of.
743 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
746 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
747 an implicit conversion.
749 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
751 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
753 2006-08-27 Roger Sayle <roger@eyesopen.com>
755 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
758 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
760 * config/i386/crtfastmath.c: Fix a comment typo.
762 2006-08-26 Roger Sayle <roger@eyesopen.com>
764 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
765 temporary visit flags on CASE_LABEL_EXPRs.
766 * c-common.c (match_case_to_enum): Add function comment. Avoid
767 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
768 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
769 CASE_HIGH_SEEN for enumerated types. If the switch expression is
770 a constant, only warn if that constant value isn't handled.
772 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
775 * input.h (restore_input_file_stack): Declare.
776 (INPUT_FILE_STACK_BITS): Define.
777 * toplev.c (fs_p, input_file_stack_history,
778 input_file_stack_restored, restore_input_file_stack): New.
779 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
780 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
781 (pop_srcloc): Don't free old state of stack.
783 2006-08-26 David Edelsohn <edelsohn@gnu.org>
786 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
787 (PowerPC Type Attributes): New.
789 2006-08-26 Bob Wilson <bob.wilson@acm.org>
791 * config/xtensa/xtensa.c (function_arg_boundary): New.
792 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
794 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
795 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
797 2006-08-26 Jakub Jelinek <jakub@redhat.com>
800 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
803 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
805 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
806 (verify_local_live_at_start): Likewise.
808 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
811 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
812 omp_add_variable): Treat sizes as variable whenever not
815 2006-08-26 Richard Guenther <rguenther@suse.de>
818 * fold-const.c (fold_binary): Fold temporary to correct
819 type before constructing new comparison.
821 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
824 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
825 variable again if DECL_SEEN_IN_BIND_EXPR_P.
827 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
830 * c-decl.c (start_function): Don't try to process prototype
831 information from old declaration that isn't a function.
833 2006-08-25 Jan Hubicka <jh@suse.cz>
836 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
838 2006-08-25 Alan Modra <amodra@bigpond.net.au>
841 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
844 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
846 PR tree-optimization/16876
847 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
848 exit if PARM doesn't match VALUE.
850 2006-08-25 Bob Wilson <bob.wilson@acm.org>
852 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
853 literal_prefix directive.
854 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
855 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
856 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
858 2006-08-25 David Edelsohn <edelsohn@gnu.org>
861 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
862 predicate to general_operand. Add 0->y and I->r alternatives.
864 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
866 * doc/tm.texi: Fix a typo.
867 * predict.c: Fix comment typos.
869 2006-08-25 Nick Clifton <nickc@redhat.com>
871 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
872 assertions of "cpu" and "machine".
874 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
877 * tree-ssa-operands.c (access_can_touch_variable): Don't say
878 the access through a base which has an alias set of 0 cannot
881 2006-08-24 Bill Wendling <wendling@apple.com>
883 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
885 2006-08-24 Jan Hubicka <jh@suse.cz>
887 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
889 2006-08-24 Jan Hubicka <jh@suse.cz>
892 * cgraph.c: Fix comments.
893 (cgraph_varpool_mark_needed_node): Mark only variables not already
895 * cgraphunit.c: Update comments; include gt-cgraphunit.h
896 (cgraph_varpool_assembled_nodes_queue): New static variable.
897 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
898 (cgraph_varpool_output_debug_info): New function.
899 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
900 * Makefile.in: Add gt-cgraphunit.h
902 2006-08-24 Jan Hubicka <jh@suse.cz>
904 * predict.c (probability_reliable_p): New predicate.
905 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
906 (predict_loops): Do not predict loop exit with less than 2%
908 * basic-block.h (edge_probability_reliable_p,
909 br_prob_note_reliable_p): Declare.
910 * ia64.h (ia64_print_operand): Do not disable on-chip branch
911 prediction when static predictor is not reliable.
912 * rs6000.c (output_cbranch): Likewise.
914 2006-08-23 Stuart Hastings <stuart@apple.com>
917 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
918 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
920 2006-08-21 Geoffrey Keating <geoffk@apple.com>
923 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
924 complex values, nor for generic vector values.
926 2006-08-22 Richard Guenther <rguenther@suse.de>
929 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
930 parameter. Convert arguments to arithmetic expression to the
932 (analyze_scalar_evolution_1): Adjust caller.
934 2006-08-22 Jan Hubicka <jh@suse.cz>
936 Patch by Paolo Bonzini
937 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
940 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
942 PR tree-optimization/28003
943 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
944 before grouping aliases.
946 2006-08-22 Roger Sayle <roger@eyesopen.com>
948 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
949 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
951 2006-08-21 Jason Merrill <jason@redhat.com>
954 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
955 wrapper. Loop to handle nested wrappers.
956 (gimplify_bind_expr): Remove temp parameter.
957 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
958 and STATEMENT_LIST on the rhs.
959 (gimplify_statement_list): Voidify the STATEMENT_LIST.
960 (gimplify_expr): Pass pre_p to gimplify_statement_list.
961 (gimplify_target_expr): Remove special BIND_EXPR handling.
963 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
965 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
968 2006-08-21 Olivier Hainque <hainque@adacore.com>
970 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
971 Arrange for the temporary captures of components overlapping the lhs
972 to happen before the lhs is possibly cleared.
974 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
976 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
977 necessary places to pass the correct "number of registers" values
980 2006-08-20 Jan Hubicka <jh@suse.cz>
982 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
983 (create_name_tags): Instead of quadratic checking use hashtable.
984 * bitmap.h: Include hashtab.h.
985 (bitmap_hash): Declare.
986 * bitmap.c (bitmap_hash): New function.
988 2006-08-20 Jan Hubicka <jh@suse.cz>
990 PR rtl-optimization/28071
991 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
993 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
994 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
995 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
996 cgraph_decide_inlining_incrementally): Update use of
997 cgraph_check_inline_limits.
998 * cgraph.c (edge_hash, edge_eq): New function.
999 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1000 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1001 cgraph_remove_node): Maintain call site hash.
1002 * cgraph.h (struct cgraph_node): Add call_site_hash.
1003 (cgraph_set_call_stmt): New function.
1005 2006-08-20 Jan Hubicka <jh@suse.cz>
1007 PR rtl-optimization/28071
1008 * reload1.c (reg_has_output_reload): Turn into regset.
1009 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1010 choose_reload_regs, emit_reload_insns): Update to new
1011 reg_has_output_reload.
1013 2006-08-20 Jan Hubicka <jh@suse.cz>
1016 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1017 function body sizes.
1018 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1020 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1023 * tree.c (handle_dll_attribute): Return early if not a
1024 var or function decl.
1026 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1029 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1030 alignment of SPE vector types.
1032 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1034 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1036 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1039 * cgraph.h (struct cgraph_node): Remove externally_visible
1041 * cgraphunit.c (process_function_and_variable_attributes): Set
1042 local.externally_visible rather than externally_visible.
1045 * c-common.c (handle_externally_visible_attribute): First look
1046 at TREE_CODE and only if it is function or var decl, check for
1047 non-public objects. Don't warn for DECL_EXTERNAL.
1048 * cgraphunit.c (process_function_and_variable_attributes): Warn
1049 if externally_visible attribute is used on non-public object.
1051 2006-08-17 Jan Hubicka <jh@suse.cz>
1053 PR tree-optimization/27865
1054 * reload1.c (forget_marked_reloads): New function.
1055 (forget_old_reloads_1): When data are passed, just mark the registers
1057 (reload_as_needed): Use the new mechanizm.
1059 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1062 * reload.h (reg_equiv_alt_mem_list): New declaration.
1063 * reload1.c (reg_equiv_alt_mem_list): New definition.
1064 (reload): Initialize it and release it.
1065 (delete_output_reload): Use it.
1066 * reload.c (push_reg_equiv_alt_mem): New function.
1067 (find_reloads_toplev): Call it.
1068 (find_reloads_address, find_reloads_address_1): Likewise.
1069 (find_reloads_subreg_address): Likewise.
1071 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1073 PR rtl-optimization/28489
1074 * sched-ebb.c (begin_schedule_ready): Create basic block
1076 (advance_target_bb): Skip empty blocks.
1077 * haifa-sched.c (bb_note): Make global.
1078 * sched-int.h (bb_note): Add prototype.
1080 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1082 PR tree-optimization/27865
1083 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1085 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1086 fold_used_pointer, pointer_used_p): New functions.
1087 (analyze_scalar_evolution_1): Use fold_used_pointer.
1088 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1089 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1092 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1095 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1096 or the INTEGER_CST. Fail on a CALL_EXPR.
1097 (fold_offsetof): Pass new argument to fold_offsetof_1.
1098 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1099 operand into an INDIRECT_REF.
1100 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1102 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1104 PR gcov/profile/26570
1105 * value-prof.c (static_values): Removed.
1106 (tree_find_values_to_profile): Do not set static_values.
1107 (find_values_to_profile): Do not free static_values.
1108 * profile.c (instrument_values): Do not free the values.
1109 (branch_prob): Free the values.
1111 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1113 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1115 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1118 * c-typeck.c (build_component_ref): Combine qualifiers of
1119 structure or union and field.
1121 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1123 PR rtl-optimization/28071
1124 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1125 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1126 * tree-into-ssa.c (struct dom_dfsnum): New.
1127 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1129 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1130 compute_global_livein.
1131 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1132 in phi nodes in the correct blocks.
1134 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1136 PR tree-optimization/28364
1137 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1139 (fold_affine_expr): New function.
1140 (may_eliminate_iv): Use fold_affine_expr.
1142 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1145 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1148 2006-08-16 Mike Stump <mrs@apple.com>
1150 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1151 * doc/cppopts.texi (-MD): Likewise.
1153 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1156 * c-common.c (handle_weak_attribute): Ignore and warn if
1157 not a FUNCTION_ or VAR_DECL.
1159 2006-07-15 Mike Stump <mrs@apple.com>
1162 * c-parser.c (c_parser_typeof_specifier): Don't use
1163 c_finish_expr_stmt, open code desired semantics instead.
1165 2006-08-15 Nick Clifton <nickc@redhat.com>
1167 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1168 fragment to tmake_file only if threads are enabled.
1169 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1170 * config/i386/t-gthr-win32: New file. ... here.
1172 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1175 * c-parser.c (c_parser_compound_statement_nostart): Reset
1176 parser->error after each statement.
1178 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1181 * omp-low.c (lower_omp_parallel): Convert t to
1182 receiver_decl's type.
1183 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1184 source before comparison.
1187 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1188 to itype in assignment to oldival2.
1190 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1194 * c-typeck.c (build_compound_expr): If the second expression
1195 is an error mark, then just return an error mark instead of
1196 creating a COMPOUND_EXPR.
1198 2006-07-14 Mike Stump <mrs@apple.com>
1200 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1202 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1204 * c-decl.c, var-tracking.c: Fix comment typos.
1206 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1208 PR rtl-optimization/28634
1209 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1210 for floating-point modes unless flag_unsafe_math_optimizations.
1212 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1213 Andrew Pinski <pinskia@physics.uc.edu>
1216 * tree.c (build_array_type): Unify array types with
1217 unspecified index_type.
1218 * c-decl.c (grokdeclarator): Make sure we do not modify a
1219 unified incomplete array type.
1220 * c-typeck.c (store_init_value): Create distinct type before
1221 filling in the index type in an initializer from a compound
1224 * c-decl.c (grokdeclarator): Remove code where we copy the
1227 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1229 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1230 into account for TODO_dump_cgraph.
1231 (TODO_update_ssa_no_phi): Likewise.
1232 (TODO_update_ssa_full_phi): Likewise.
1233 (TODO_update_ssa_only_virtuals): Likewise.
1234 (TODO_remove_unused_locals): Likewise.
1235 (TODO_set_props): Likewise.
1236 (TODO_update_stmt_usage): Likewise.
1238 2006-08-13 Dirk Mueller <dmueller@suse.de>
1240 * c-common.c (strict_aliasing_warning): Fix formatting.
1242 2006-08-13 Matthias Klose <doko@debian.org>
1244 * doc/invoke.texi: Fix spelling errors.
1246 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1248 PR rtl-optimization/23454
1249 * reorg.c (relax_delay_slots): Update comment.
1251 2006-08-11 Richard Guenther <rguenther@suse.de>
1254 * simplify-rtx.c (simplify_const_relational_operation):
1255 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1258 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1260 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1261 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1263 2006-08-10 Paul Brook <paul@codesourcery.com>
1265 * final.c (final_scan_insn): Clear current_insn_predicate before
1266 outputting inline asm.
1268 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1270 PR tree-optimization/26197
1271 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1272 get_ref_base_and_extent and overlap_subvar to add only relevant
1273 subvars as may-aliases.
1274 (add_may_alias_for_new_tag): New function, factored out of
1276 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1277 with additional argument.
1278 * tree-flow.h (new_type_alias): Takes additional argument.
1280 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1282 * gcov.c (no_data_file): New flag.
1283 (read_count_file): Set it if data file not present. Assume counts
1285 (output_lines): Don't name the data file, if there wasn't one.
1287 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1289 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1290 (rs6000_generate_compare): Tweak comments.
1291 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1293 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1295 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1296 (var_debug_decl): New function.
1297 (var_reg_set): Follow debug decl link. Add location even if
1298 reg is already known to hold some other variable.
1299 (var_mem_set): Follow debug decl link.
1300 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1301 decl link. Delete other known locations of the variable part
1303 (var_reg_delete, var_mem_delete): Delete other known locations
1304 of the variable part if requested.
1305 (same_variable_part_p): New function.
1306 (add_stores): Select MO_COPY when appropriate.
1307 (vt_initialize): Handle it.
1308 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1309 known locations for MO_SET and MO_CLOBBER.
1310 (find_variable_location_part): New function.
1311 (set_variable_part, delete_variable_part): Use it.
1312 (clobber_variable_part): New function.
1313 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1316 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1318 PR tree-optimization/26969
1319 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1320 with an empty list of PHIs.
1322 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1326 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1329 2006-08-06 Andreas Schwab <schwab@suse.de>
1331 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1332 string. Whitespace and comment fixup.
1334 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1337 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1341 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1344 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1346 2006-08-04 Jan Hubicka <jh@suse.cz>
1350 * reload.c (push_reload): Patch out the mismatching instruction;
1352 (find_reload): Bail out if the instruction was patched out.
1354 2006-08-04 Jan Hubicka <jh@suse.cz>
1356 PR tree-optimization/24888
1357 * tree-inline.c (expand_call_inline): Do not re-record variables.
1358 (declare_inline_vars): Add variable to unexpanded_var_list.
1360 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1361 Roger Sayle <roger@eyesopen.com>
1363 PR rtl-optimization/26244
1364 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1365 inner_const are negative or greater than or equal to the bitsize of
1366 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1367 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1368 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1369 CONST0_RTX (mode) when the new shift count is greater than or equal to
1370 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1373 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1375 * tree-cfg.c: Fix a comment typo.
1377 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1380 * varasm.c (output_constant): Give the front end another chance to
1381 expand constants, after stripping NOPs.
1383 2006-08-03 Jan Hubicka <jh@suse.cz>
1385 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1388 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1390 PR tree-optimization/27770
1391 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1392 declaration removed (moved to tree-flow.h).
1393 (vect_can_force_dr_alignment_p): Likewise.
1394 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1395 (moved from tree-vectorizer.h).
1396 (vect_can_force_dr_alignment_p): Likewise.
1397 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1398 from outside the vectorizer - in particular from cgraph stage.
1399 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1400 the alignment of global arrays when -fsection-anchors is enabled.
1401 * cgraphunit.c (cgraph_increase_alignment): New function.
1402 (cgraph_optimize): Call cgraph_increase_alignment.
1404 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1407 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1408 not reload a SPE symbol_ref into a lo_sum address.
1410 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1413 * dwarf2out.c (prune_unused_types_prune): Move call to
1414 prune_unused_types_update_strings to cover the parent DIE also.
1416 2006-08-02 Jan Hubicka <jh@suse.cz>
1418 PR gcov/profile/28480
1419 * tree-cfg.c (change_bb_for_stmt): New function.
1420 (tree_merge_blocks, tree_split_blocks): Use it.
1422 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1428 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1429 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1430 (cgraph_optimize): Likewise.
1432 2006-08-01 Stuart Hastings <stuart@apple.com>
1434 * rtl.h (UINTVAL) New.
1435 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1436 * testsuite/gcc.dg/20060801-1.c: New.
1438 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1441 * c-typeck.c (build_external_type): Mark used enum types.
1442 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1444 (gen_subprogram_die): Whitespace fix.
1446 2006-08-01 Jan Hubicka <jh@suse.cz>
1448 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1449 bitmap when not needed.
1450 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1453 2006-08-01 Dirk Mueller <dmueller@suse.de>
1455 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1457 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1459 * Makefile.in: Revert part of previous patch:
1460 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1463 2006-07-30 Eric Christopher <echristo@apple.com>
1466 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1467 (PowerPC Variable Attributes): New section.
1469 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1471 PR target/28126 (partial fix)
1472 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1474 2006-07-28 Jan Hubicka <jh@suse.cz>
1476 PR rtl-optimization/28071
1477 * cfgrtl.c (rtl_delete_block): Free regsets.
1478 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1480 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1482 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1483 and variables used in dependencies.
1485 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1487 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1488 %fs for -mcmodel=kernel.
1489 (stack_tls_protect_test_di): Likewise.
1491 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1493 * Makefile.in: Use mkinstalldirs.
1495 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1498 * opts-common.c (prune_options): Skip joined switches.
1500 2006-07-27 Jan Hubicka <jh@suse.cz>
1502 PR rtl-optimization/28071
1503 * cselib.c (cselib_process_insn): Don't remove useless values too
1504 often for very large hashtables.
1506 2006-07-27 Jan Hubicka <jh@suse.cz>
1508 PR rtl-optimization/28071
1509 * global.c (greg_obstack): New obstack.
1510 (allocate_bb_info): Use it.
1511 (free_bb_info): Likewise.
1512 (modify_reg_pav): Likewise.
1514 2006-07-27 Roger Sayle <roger@eyesopen.com>
1516 * builtins.c (fold_fixed_mathfn): When long and long long are the
1517 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1518 functions to their lceil*, lfloor*, lround* and lrint* forms.
1520 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1523 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1525 (rev_branch_insn): Likewise.
1527 2006-07-27 Jan Hubicka <jh@suse.cz>
1529 PR rtl-optimization/28071
1530 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1531 (reg_set_in_bb, max_reg_computed): New static variables.
1532 (regmove_optimize): Free the new array.
1533 (fixup_match_1): Update call of reg_is_remote_constant_p.
1535 2006-07-26 Jan Hubicka <jh@suse.cz>
1537 PR tree-optimization/27882
1538 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1540 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1542 (cgraph_analyze_compilation_unit): Likewise.
1543 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1544 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1545 (cgraph_early_inlinine): Make order garbage collected.
1546 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1548 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1550 * dbxout.c (output_types_sort): Add a comment.
1551 (output_used_types): Free the VEC.
1553 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1555 * function.c (reorder_fix_fragments): Delete.
1556 (reorder_blocks): Don't call it.
1557 (reorder_blocks_1): Put all subblocks under the origin block.
1559 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1561 PR rtl-optimization/27907
1562 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1565 2006-07-25 Roger Sayle <roger@eyesopen.com>
1568 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1569 bar(x) check that bar's result type can represent all the values of T.
1571 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1573 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1575 2006-07-25 Nick Clifton <nickc@redhat.com>
1577 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1578 size_lookup[] array.
1579 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1580 (ggc_pch_count_object): Likewise.
1581 (ggc_pch_alloc_object): Likewise.
1582 (ggc_pch_write_object): Likewise.
1583 (init_ggc): Do not attempt to initialize entries in the
1584 size_lookup[] array for objects whose size is greater than than
1585 the length of the array.
1587 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1589 * dbxout.c (output_used_types_helper): Push queued types
1591 (output_types_sort): New.
1592 (output_used_types): Collect used types on a VEC and sort them
1595 2006-07-24 Richard Guenther <rguenther@suse.de>
1598 * cgraph.c (cgraph_remove_node): Do not check if dumps
1600 * cgraphunit.c (cgraph_optimize): Likewise.
1602 2006-07-24 Jan Hubicka <jh@suse.cz>
1604 PR rtl-optimization/28071
1605 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1606 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1607 splitting before first stmt.
1609 2006-07-24 Jan Hubicka <jh@suse.cz>
1611 PR rtl-optimization/28071
1612 * ipa-inline.c (update_caller_keys): Remove edges that
1613 are no longer inline candidates.
1615 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1618 * dbxout.c (output_used_types_helper, output_used_types): New.
1619 (dbxout_symbol): Call output_used_types.
1621 2006-07-23 Jan Hubicka <jh@suse.cz>
1625 * cgraph.c (cgraph_varpool_nodes): Export.
1626 (decide_is_variable_needed): Ignored "used" attribute in
1627 unit-at-a-time mode.
1628 * cgraph.h (cgraph_varpool_nodes): Declare.
1629 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1630 unit-at-a-time mode.
1632 2006-07-23 Roger Sayle <roger@eyesopen.com>
1635 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1636 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1637 the __gthrw form of thr_keycreate.
1638 (__gthread_key_delete): Silence the unused argument warning.
1640 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1643 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1644 Cache the last found '\0' marker to avoid quadratic behavior.
1646 2006-07-23 Jan Hubicka <jh@suse.cz>
1648 * i386.md (subsi_3_zext): Fix output template.
1650 2006-07-21 Mike Stump <mrs@apple.com>
1652 * doc/invoke.texi (C++ Dialect Options): Note that
1653 -fvisibility-inlines-hidden doesn't affect explicitly
1654 instantiationed inline methods.
1656 2006-07-20 Roger Sayle <roger@eyesopen.com>
1658 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1659 if the target assembler is GNU binutils' gas.
1660 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1661 whether to pass GNU gas or native as command line options.
1663 2006-07-20 Jason Merrill <jason@redhat.com>
1665 * tree.c (remove_attribute): New fn.
1666 * tree.h: Declare it.
1668 2006-07-20 Paul Brook <paul@codesourcery.com>
1671 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1672 they are invalidated by this instruction.
1674 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1677 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1679 2006-07-20 Eric Christopher <echristo@apple.com>
1682 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1684 2006-07-19 Eric Christopher <echristo@apple.com>
1686 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1687 Rewrite dependencies for libgcc_s.1.dylib.
1689 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1691 * except.c (duplicate_eh_regions_1): Clear next_peer.
1693 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1695 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1696 -mlongcall does not guarantee all calls will be long.
1697 * doc/extend.texi (long_call/short_call): Document that longcall
1698 does not guarantee a long call will be used.
1699 (longcall/shortcall): Likewise.
1701 2006-07-18 Roger Sayle <roger@eyesopen.com>
1704 * expmed.c (expand_shift): Additionally check that the shift_cost
1705 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1706 before implementing a LSHIFT_EXPR as a sequence of additions.
1707 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1708 middle-end that DImode shifts need to be synthesized by expand.
1710 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1713 * tree-ssa-operands.c (access_can_touch_variable): Update
1715 Return true if ALIAS is .GLOBAL_VAR.
1717 2006-07-18 David Daney <ddaney@avtrex.com>
1719 * gcc.c (display_help): Fix typo in help text.
1721 2006-07-18 Olivier Hainque <hainque@adacore.com>
1723 * tree.h (categorize_ctor_elements): Adjust prototype and add
1724 descriptive comment, both in accordance with the interface change
1726 * varasm.c (constructor_static_from_elts_p): New function.
1727 Whether a constructor node is a valid static constant initializer
1728 if all its elements are.
1729 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1730 * output.h: Declare it.
1731 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1732 is a valid constant initializer instead of computing the number of
1733 non-constant elements. Use constructor_static_from_elts_p for this
1734 purpose. Replace the head comment with an indication that this is a
1735 helper for categorize_ctor_elements.
1736 (categorize_ctor_elements): Same interface change as for the _1
1737 helper. Former head comment from this helper moved here, adjusted to
1738 account for the interface changes.
1739 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1740 (all_zeros_p): Likewise.
1741 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1742 static versions of the constructor from the categorize_ctor_elements
1743 return value instead of the formerly computed number of non-constant
1746 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1748 * configure: Regenerate.
1749 * Makefile.in (build_libsubdir): New configure substitution
1750 (build_libobjdir): New variable.
1751 (BUILD_LIBIBERTY): Use it.
1753 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1756 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1758 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1761 * c-common.c (handle_weakref_attribute): Ignore attribute in
1762 the same conditions the alias attribute is ignored.
1764 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1766 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1767 (dbxout_begin_prologue): Increment scope_labelno.
1769 2006-07-17 Richard Henderson <rth@redhat.com>
1772 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1775 2006-07-17 Roger Sayle <roger@eyesopen.com>
1776 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1778 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1779 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1780 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1781 functions such as sbrk, write, etc.. Add function prototypes.
1782 Convert function declarations from K&R to ISO C. Cast pointers
1783 to "long" and "unsigned long" instead of "int" and "unsigned int".
1784 Convert tokens following #endif into comments.
1786 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1788 * invoke.texi: Remove mention of f77; Reformat table for
1789 inline parameter options correctly; mention that -malign-double
1790 is default on x86-64 targets.
1792 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1794 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1795 (convert_affine_scev, chrec_convert_aggressive): Use
1796 avoid_arithmetics_in_type_p. Do not check for the subtypes
1799 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1802 * optabs.c (expand_doubleword_shift): Wrap the call to
1803 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1805 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1808 * optabs.c (expand_binop): Pass next_methods rather than methods
1809 to expand_doubleword_shift.
1811 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1814 * tree.h (dump_addr): Declare.
1815 * print-tree.c (dump_addr): New function.
1816 (print_node_brief, print_node): Use it.
1817 * print-rtl.c (print_rtx): Likewise.
1818 * common.opt (-fdump-noaddr): New option.
1819 * doc/invoke.texi (-fdump-noaddr): Document.
1820 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1821 (ve_info_hash): Likewise.
1823 2006-07-13 Andrew Haley <aph@redhat.com>
1825 PR tree-optimization/19505
1826 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1827 edge leaving this block, make sure that the destination of this
1828 block has only one predecessor.
1830 2006-07-17 Richard Guenther <rguenther@suse.de>
1832 PR tree-optimization/28238
1833 * tree-inline.c (copy_bb): Check if we produced valid
1834 gimple copying and substituting a stmt. If not, gimplify
1837 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1839 * optabs.c (maybe_encapsulate_block): New function extracted from...
1840 (emit_libcall_block): ...here. Invoke it on the block of insns to
1841 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1842 (emit_no_conflict_block): Likewise.
1844 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1846 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1848 2006-07-15 Roger Sayle <roger@eyesopen.com>
1850 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1851 a new NOP_EXPR case of the switch statement.
1853 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1856 * stor-layout.c (place_field): Take the bit field with
1857 an excessive size into account in the ms-bitfiled case.
1860 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1861 the previous bit field.
1863 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1866 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1868 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1870 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1871 signal frames correctly even when the signal was installed with
1874 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1876 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1877 (dbxout_function_end): Use local label LFBB. Remove hook
1879 (dbxout_source_line): Use local label LFBB.
1880 (dbxout_block): Likewise.
1881 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1882 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1883 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1884 and DBX_OUTPUT_NFUN.
1886 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1888 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1890 2006-07-13 Jan Hubicka <jh@suse.cz>
1892 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1894 * output.h (align_variable): Declare.
1895 * varasm.c (align_variable): Export.
1896 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1897 when basic block changed.
1899 2006-07-13 Nick Clifton <nickc@redhat.com>
1901 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1902 walking the LOG_LINKS chain.
1904 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1906 * doc/invoke.texi (C++ Dialect Options): Explain difference
1907 between -fvisibility-inlines-hidden and setting hidden
1908 visibility explicitly.
1910 2006-07-12 Eric Christopher <echristo@apple.com>
1912 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1913 (stmp-lipo): Depend on libgcc.a.
1915 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1917 * tree.c: Fix a comment typo.
1919 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1921 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1923 (umulhisi3_r): Likewise.
1925 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1928 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1929 x < 19, vs wchar_t support.
1931 2006-07-12 Nick Clifton <nickc@redhat.com>
1933 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1934 instead of -isa=sh4.
1936 2006-07-12 Mike Stump <mrs@apple.com>
1938 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1940 2006-07-10 Eric Christopher <echristo@apple.com>
1942 * config/t-slibgcc-darwin: Rewrite.
1944 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1947 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1950 2006-07-08 Matthias Klose <doko@debian.org>
1952 * doc/sourcebuild.texi: Fix typo.
1954 2006-07-07 Mike Stump <mrs@apple.com>
1956 * toplev.c (process_options): Don't give -ffunction-sections may
1957 affect debugging warning for Mach-O.
1959 2006-07-07 James E Wilson <wilson@specifix.com>
1961 * config/mips/mips.md (cpu): Add sb1a.
1962 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1963 addition to sb1. Adjust comments to clarify SB-1A differences from
1965 (ir_sb1a_load): New. Modify bypasses to use it.
1966 (ir_sb1a_simple_alu): Likewise.
1967 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1968 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1969 (mips_issue_rate): Add PROCESSOR_SB1A.
1970 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1971 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1972 (TARGET_SB1): Add PROCESSOR_SB1A check.
1973 (TUNE_SB1): Likewise.
1975 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1976 * config/mips/mips.c (mips_store_data_bypass_p): New.
1977 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1978 store_data_bypass_p.
1980 2006-07-08 Paul Brook <paul@codesourcery.com>
1983 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1985 2006-07-07 Richard Guenther <rguenther@suse.de>
1988 * tree.h (build_one_cst): Declare.
1989 * tree.c (build_one_cst): New function.
1990 * tree-ssa-math-opts.c (get_constant_one): Remove.
1991 (insert_reciprocals): Use build_one_cst.
1992 * fold-const.c (fold_plusminus_mult): Likewise.
1994 2006-07-07 Roger Sayle <roger@eyesopen.com>
1996 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1997 * cfgloopanal.c (dump_graph): Likewise.
1998 * dojump.c (discard_pending_stack_adjust): Likewise.
1999 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2001 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2002 * function.c (finalize_block_changes): Likewise.
2003 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2004 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2005 * rtl.c (dump_rtx_statistics): Likewise.
2006 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2008 * varray.c (dump_varray_statistics): Likewise.
2009 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2010 decode_decimal64, encode_decimal128, decode_decimal128,
2011 decimal_real_to_decimal): Likewise.
2013 2006-07-07 Richard Guenther <rguenther@suse.de>
2015 PR tree-optimization/28187
2016 * tree-vrp.c (vrp_operand_equal_p): New function.
2017 (vrp_bitmap_equal_p): Likewise.
2018 (update_value_range): Use them to compare old and new
2021 2006-07-06 Roger Sayle <roger@eyesopen.com>
2023 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2024 a default case to switch statement to silence compiler warnings.
2026 2006-07-06 Roger Sayle <roger@eyesopen.com>
2029 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2030 the configured assembler supports the x87's ffreep mnemonic.
2031 * configure: Regenerate.
2032 * config.in: Regenerate.
2034 * config/i386/i386.c (output_387_ffreep): New function.
2035 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2036 (output_387_reg_move): Likewise.
2038 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2040 Port to hosts whose 'sort' and 'tail' implementations
2041 treat operands with leading '+' as file names, as POSIX
2042 has required since 2001. However, make sure the code still
2043 works on pre-POSIX hosts.
2044 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2045 which says you should use "tail -c +N" rather than "tail +Nc".
2046 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2048 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2050 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2053 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2056 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2057 PRE_{INC,DEC} of TFmode.
2059 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2060 Alan Modra <amodra@bigpond.net.au>
2063 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2066 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2069 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2070 Remove duplicate gtu.
2072 2006-07-05 Jason Merrill <jason@redhat.com>
2076 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2077 * c-common.c (handle_packed_attribute): So don't copy it here.
2078 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2080 2006-07-05 Mike Stump <mrs@apple.com>
2082 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2084 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2087 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2089 2006-07-05 Richard Guenther <rguenther@suse.de>
2092 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2093 TARGET_SSE2 targets if using SSE math.
2094 (*absdf2_1): Likewise.
2096 2006-07-05 Richard Guenther <rguenther@suse.de>
2098 PR tree-optimization/28162
2099 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2100 make sure to convert the operands to the correct type.
2102 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2104 PR tree-optimization/28218
2106 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2107 to calculate and free the dominator information.
2109 2006-07-04 Peter O'Gorman <peter@pogma.com>
2111 * mklibgcc.in: chmod 644 before ranlib during install.
2113 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2114 J"orn Rennecke <joern.rennecke@st.com>
2116 * configure.ac (.eh_frame data check): Use diff -b.
2118 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2121 * Makefile.in (BUILD_RTL): Add build/vec.o.
2122 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2123 (build/genextract): Delete.
2124 (build/genautomata): Likewise.
2126 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2129 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2130 128-bit IBM long doubles for ABI_V4.
2132 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2134 * tree.c (range_in_array_bounds_p): New predicate.
2135 * tree.h (range_in_array_bounds_p): Declare it.
2136 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2137 return a less conservative answer.
2138 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2139 and flag 'is_group'.
2140 (IS_ELEMENT_FOR_GROUP): New macro.
2141 (FOR_EACH_ACTUAL_CHILD): Likewise.
2142 (next_child_for_group): New helper function.
2143 (can_completely_scalarize_p): Take into account groups.
2144 (sra_hash_tree): Handle RANGE_EXPR.
2145 (sra_elt_eq): Likewise.
2146 (lookup_element): Be prepared for handling groups.
2147 (is_valid_const_index): Delete.
2148 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2149 instead of is_valid_const_index.
2150 <ARRAY_RANGE_REF>: New case.
2151 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2152 is_valid_const_index.
2153 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2154 (scan_dump): Dump info for groups too.
2155 (decide_instantiation_1): Likewise.
2156 (decide_block_copy): Assert that the element is not a group.
2157 Propagate decision to groups.
2158 (generate_one_element_ref): Handle RANGE_EXPR.
2159 (mark_no_warning): Iterate over actual childs.
2160 (generate_copy_inout): Likewise.
2161 (generate_element_copy): Likewise.
2162 (generate_element_zero): Likewise.
2163 (generate_element_init_1): Likewise.
2164 (dump_sra_elt_name): Handle RANGE_EXPR.
2166 2006-07-03 Roger Sayle <roger@eyesopen.com>
2168 PR tree-optimization/26251
2169 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2170 (thread_block): When optimizing for size refuse to thread jumps
2171 that would require duplication of blocks other than redirection
2174 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2176 * configure.ac: Fix thinko in previous check-in.
2177 * configure: Regenerate.
2179 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2182 * configure.ac (for lang...): Simplify nesting of conditionals.
2183 Test subdir_requires for non-enabled languages. Move processing
2184 of lang_opt_files and lang_tree_fiels below that test.
2185 * configure: Regenerate.
2186 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2188 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2190 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2192 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2194 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2197 2006-06-29 Jason Merrill <jason@redhat.com>
2204 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2205 * c-common.c (c_determine_visibility): Handle it here.
2206 * c-decl.c (finish_decl): Call c_determine_visibility for
2208 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2210 * varasm.c (default_assemble_visibility): Likewise.
2211 * c-common.c (handle_visibility_attribute): Complain about trying
2212 to give visibility to an already defined class, or trying to change
2213 declared visibility. Always attach the attribute.
2218 * attribs.c (decl_attributes): Ignore type-in-place attributes
2219 once the type has been defined.
2221 2006-06-29 Roger Sayle <roger@eyesopen.com>
2224 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2225 to indicate the cpplib has issued an error message for us.
2227 2006-06-29 Asher Langton <langton2@llnl.gov>
2230 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2231 insert a label at the end of an function under Mach-O.
2233 2006-06-29 Eric Christopher <echristo@apple.com>
2234 Evan Cheng <evan.cheng@apple.com>
2236 * predicates.md (vector_all_ones_operand): New.
2237 (nonimmediate_or_sse_const_operand): Ditto.
2238 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2239 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2240 (standard_sse_mode_p): Ditto.
2241 (standard_sse_constant_p): Add case for -1 vector.
2242 (ix86_expand_vector_move): Try to use.
2243 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2244 Call standard_sse_constant_opcode.
2245 (*movv4sf_internal): Ditto.
2246 (*movv2df_internal): Ditto.
2248 2006-06-29 Roger Sayle <roger@eyesopen.com>
2250 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2251 of XEXP to extract the operands of a MATCH_CODE rtx.
2253 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2255 * tree.c (tree_size): Do not waste tail padding in
2256 struct tree_string and make the size be the same as
2257 build_string will generate.
2259 2006-06-28 Jason Merrill <jason@redhat.com>
2262 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2263 may_aliases already in the tag's annotations to the bitmap.
2265 2006-06-28 Roger Sayle <roger@eyesopen.com>
2267 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2269 2006-06-28 Roger Sayle <roger@eyesopen.com>
2271 * genpreds.c (generate_switch_p): New function.
2272 (add_mode_tests): Push the new mode test down inside an AND expr
2273 if this allows the switch-suitable MATCH_CODE to be near the root.
2274 (write_match_code_switch): New function to write a MATCH_CODE as
2276 (write_predicate_stmts): New function to write a predicate RTX
2277 expression as a sequence of statements.
2278 (write_one_predicate_function): Use write_predicate_stmts.
2279 (write_tm_constrs_h): Likewise.
2281 2006-06-26 Fred Fish <fnf@specifix.com>
2283 * config/mips/t-sb1: New file.
2284 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2287 2006-06-26 DJ Delorie <dj@redhat.com>
2289 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2291 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2292 Jayant Sonar <jayants@kpitcummins.com>
2293 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2295 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2296 (subsi3, subsi3_1, subsi3_2): New.
2297 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2298 * config/m32c/mov.md (SI mov peephole): New.
2299 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2300 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2302 2006-06-26 Olivier Hainque <hainque@adacore.com>
2304 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2305 a CALL_EXPR target function declaration.
2307 2006-06-26 Richard Guenther <rguenther@suse.de>
2309 * tree.c (build_string): Do not waste tail padding in
2312 2006-06-26 Richard Guenther <rguenther@suse.de>
2314 * ggc-page.c (init_ggc): Add missing element to size_lookup
2318 2006-06-23 Richard Guenther <rguenther@suse.de>
2320 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2321 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2322 alignment requests instead. Add verification code.
2323 Add struct tree_function_decl and struct tree_binfo size to
2324 extra_order_size_table. Add missing element to size_lookup
2327 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2330 * fold-const.c (const_binop): Be prepared for self returning zero.
2331 Simplify code handling complex values.
2333 2006-06-24 Olivier Hainque <hainque@adacore.com>
2335 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2336 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2339 2006-06-24 Olivier Hainque <hainque@adacore.com>
2341 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2342 ARRAY_REF, so have the callback called for the low bound expression.
2344 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2346 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2347 * c-typeck.c (c_common_type): Disallow operations on decimal float
2348 types and other float types.
2349 * convert.c (convert_to_real): Don't ignore conversions involving
2350 decimal float types.
2352 2006-06-23 Olivier Hainque <hainque@adacore.com>
2354 * tree.c (max_int_size_in_bytes): New function, inspired from
2355 code in function.c:assign_temp.
2356 * tree.h (max_int_size_in_bytes): Declare.
2357 * function.c (assign_temp): Use it.
2358 * gimplify.c (create_tmp_var): Relax the assertions on the type
2359 properties, not mandating constant size any more.
2360 (force_constant_size): New static function.
2361 (gimple_add_tmp_var): Use it, forcing variable size to a
2362 constant upper bound if it is not constant on entry.
2364 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2367 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2368 for initialization and setting of one_only flag to ...
2369 (i386_pe_encode_section_info): ...here.
2370 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2371 Recheck that the symbol has not been defined.
2373 2006-06-23 Richard Guenther <rguenther@suse.de>
2375 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2376 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2377 alignment requests instead. Add verification code.
2378 Add struct tree_function_decl and struct tree_binfo size to
2379 extra_order_size_table. Add missing element to size_lookup
2382 2006-06-22 Roger Sayle <roger@eyesopen.com>
2383 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2386 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2387 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2389 2006-06-23 Ben Elliston <bje@au.ibm.com>
2391 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2392 negate dn -- manipulate it directly.
2394 2006-06-22 Roger Sayle <roger@eyesopen.com>
2395 Steven Bosscher <stevenb.gcc@gmail.com>
2398 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2399 generated by gen_move_insn to add REG_LABEL notes if necessary.
2401 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2403 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2404 (leaf_entry): Remove use of MIN_ESA.
2406 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2408 PR rtl-optimization/28121
2409 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2412 2006-06-21 DJ Delorie <dj@redhat.com>
2414 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2416 (mulhisi3_r): Likewise.
2418 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2421 * coverage.c (coverage_counter_alloc): Leave the index type
2423 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2426 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2428 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2429 section from the "Options for Code Generation Conventions".
2431 2006-06-21 Richard Henderson <rth@redhat.com>
2435 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2437 (global_symbolic_operand): Allow weak symbols, even if local_p.
2439 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2441 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2442 (find_interesting_uses_address): Punt if above function returns true.
2444 2006-06-21 Richard Guenther <rguenther@suse.de>
2446 * configure: Regenerated.
2448 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2450 * config/mips/mips.c (function_arg): Where one part of a
2451 complex argument is in registers and the other part in the stack,
2452 return a REG not a PARALLEL.
2454 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2456 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2457 when cross-compiling. Do not substitute libstdcxx_incdir.
2458 * configure: Regenerated.
2460 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2462 * varasm.c (mergeable_string_section): Check for embedded NULs and
2463 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2464 rather than TREE_STRING_LENGTH bytes.
2466 2006-06-21 Richard Guenther <rguenther@suse.de>
2468 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2469 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2472 2006-06-21 Richrad Guenther <rguenther@suse.de>
2474 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2475 Limit iteration over the dominators.
2477 2006-06-20 Roger Sayle <roger@eyesopen.com>
2479 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2480 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2482 2006-06-20 Richard Guenther <rguenther@suse.de>
2483 Michael Matz <matz@suse.de>
2485 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2487 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2488 * et-forest.h (et_free_pools): Prototype new function.
2489 * et-forest.c (et_free_tree_force): Free parent occurrence.
2490 (et_free_pools): New function.
2491 * dominance.c (free_dominance_info): Free et-forest alloc
2494 2006-06-20 Roger Sayle <roger@eyesopen.com>
2496 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2497 integer modes, attempt to directly construct an integer constant.
2499 * fold-const.c (native_encode_vector): Determine the size of each
2500 element from the vector type instead of the first vector element.
2502 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2503 if all of its elements/components are constant.
2504 (build_constructor_from_list): Likewise.
2506 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2508 PR tree-optimization/27331
2509 * tree-data-ref.c (free_data_ref): New function.
2510 (create_data_ref): Fail if the data reference has unknown access
2512 (free_data_refs): Use free_data_ref.
2514 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2517 * tree-inline.c (setup_one_parameter): Strip useless
2518 type conversion before adding it to the IR.
2519 (declare_return_variable): Likewise.
2521 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2524 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2526 2006-06-19 Mike Stump <mrs@apple.com>
2528 * tree.c (variably_modified_type_p): VM arguments don't make the
2531 2006-06-19 Richard Guenther <rguenther@suse.de>
2533 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2534 type conversions after folding.
2536 2006-06-19 Richard Guenther <rguenther@suse.de>
2538 * ggc-page.c (extra_order_size_tab): Add entries with
2539 size of struct function and basic_block.
2540 (size_lookup): Extend to cover sizes up to 511.
2541 (ggc_alloc_stat): Adjust user.
2542 (ggc_pch_count_object): Likewise.
2543 (ggc_pch_alloc_object): Likewise.
2544 (ggc_pch_write_object): Likewise.
2546 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2548 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2549 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2552 2006-06-19 Denis Chertykov <denisc@overta.ru>
2554 * config/avr/libgcc.S : Correct my wrong previous commit.
2556 2006-06-19 Roger Sayle <roger@eyesopen.com>
2559 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2560 have stripped a SUBREG from the shift count, so we may need to
2561 convert_to_mode back to the type's mode before calling make_tree.
2562 Use new_amount instead of amount to avoid expanding a tree twice.
2564 2006-06-19 Richard Guenther <rguenther@suse.de>
2567 * fold-const.c (operand_equal_p): Check if the argument types
2568 have the same precision before stripping NOPs.
2570 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2572 Fix PR tree-optimization/27341
2573 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2575 * tree-complex.c (pass_lower_complex): Update SMT usage.
2577 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2579 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2580 Add a new alternative to the constraint strings. Add move of
2581 operand 1 to 3 to the splitter definition.
2582 ("doloop_si_long"): Second contraint alternative removed.
2584 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2586 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2587 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2589 (AVR_HAVE_MOVW) Define.
2590 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2591 (ASM_SPEC): Add avr25.
2592 (LINK_SPEC): Add avr25.
2593 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2594 (base_arch_s): Add new member 'have_movw_lpmx'.
2595 (avr_arch_types): Init 'have_movw_lpmx'.
2596 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2597 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2598 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2599 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2600 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2602 (avr_file_start): Do not output '.arh' derective.
2603 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2604 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2605 * config/avr/avr.md (mcu_enhanced): Delete.
2606 (mcu_have_movw): Define.
2607 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2608 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2609 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2610 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2611 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2612 attiny861 and at86rf401 devices.
2614 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2616 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2619 2006-06-17 Karl Berry <karl@gnu.org>
2621 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2622 doc/gccint.texi, doc/install.texi (@dircategory): Use
2623 "Software development" instead of "Programming", following
2624 the Free Software Directory.
2626 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2628 * config/i386/i386.c (legitimate_tls_address)
2629 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2630 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2631 (*tls_dynamic_gnu2_combine_64): Likewise.
2633 2006-06-16 Richard Guenther <rguenther@suse.de>
2636 * fold-const.c (negate_expr_p): Do not introduce undefined
2637 overflow in negating INTEGER_CSTs.
2638 (fold_negate_expr): Rename from negate_expr. Revert last
2639 change for folding BIT_NOT_EXPR. Change semantics to
2640 return NULL_TREE for non-simplified negations. Do not
2641 strip type conversions and unify type handling.
2642 (negate_expr): New function, wrap around fold_negate_expr
2643 but ensure building a tree always. Strip type conversions
2644 here, fold to result type.
2645 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2647 2006-06-16 Roger Sayle <roger@eyesopen.com>
2650 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2651 that (would) return their results in stack registers.
2653 2006-06-16 Michael Matz <matz@suse.de>
2654 Richard Guenther <rguenther@suse.de>
2656 * fold-const.c (fold_truthop): Only return new tree node if
2657 we canonicalized something.
2659 2006-06-16 Richard Guenther <rguenther@suse.de>
2661 * function.h (enum function_frequency): Move declaration
2662 out of struct function.
2663 (struct function): Move bool fields and the enum to the bitfield
2664 section. Reorder elements to avoid padding. Remove unused
2665 fields left over from the RTL inliner removal.
2666 * function.c (free_after_compilation): Do not zero removed fields.
2667 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2668 (ipa-type-escape.o): Likewise.
2670 2006-06-16 Richard Guenther <rguenther@suse.de>
2672 * cgraph.h (struct cgraph_local_info): Turn bool elements
2674 (struct cgraph_node): Likewise.
2675 (struct cgraph_varpool_node): Likewise.
2677 2006-06-15 Richard Guenther <rguenther@suse.de>
2679 * fold-const.c (fold_truth_not_expr): Rename from
2680 invert_truthvalue. Give it fold_* semantics to avoid
2682 (invert_truthvalue): New function. Wrapper around
2683 fold_truth_not_expr.
2684 (optimize_minmax_comparison): Avoid creating garbage.
2685 (fold_unary): Use fold_truth_not_expr for folding
2687 (fold_ternary): Replace uses of invert_truthvalue with
2688 fold_truth_not_expr where applicable.
2689 * tree.h (fold_truth_not_expr): Prototype.
2691 2006-06-16 Richard Guenther <rguenther@suse.de>
2693 PR tree-optimization/27781
2694 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2695 * ipa-pure-const.c (target.h): Include.
2696 (analyze_function): Do not analyze functions that do not
2699 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2702 * tree-dfa.c (referenced_vars_dup_list): Remove.
2703 (find_referenced_vars): Remove assert.
2704 (referenced_var_check_and_insert): Replace dup list with assert.
2705 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2706 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2708 2006-06-15 Richard Guenther <rguenther@suse.de>
2710 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2711 extra unused identifiers if not dumping.
2712 (create_variable_info_for): Likewise.
2714 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2716 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2717 (derive_constant_upper_bound): Derive more precise upper bound in
2718 common cases. Return type changed to double_int.
2719 (record_estimate): Reflect the changed return type of
2720 derive_constant_upper_bound.
2721 * double-int.c (double_int_zext, double_int_sext): Fix.
2723 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2725 * configure.ac (CFLAGS): Get them from the toplevel or from the
2726 configure invocation.
2727 * configure: Regenerate.
2728 * Makefile.in (CFLAGS): Substitute value provided by configure.
2730 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2733 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2734 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2735 rather than calling add_stmt on it.
2736 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2738 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2741 * reload1.c (reload): Remove registers returned by update_eliminables
2742 from used_spill_regs.
2744 2006-06-13 DJ Delorie <dj@redhat.com>
2746 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2748 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2750 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2751 html__strip_dir, html__mkdir_p. Enhance install-html target.
2752 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2753 * configure: Regenerate.
2755 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2757 * fold-const.c (fold_cond_expr_with_comparison): Check for
2758 Objective-C++ as language in deciding COND_EXPR transformation.
2760 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2763 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2764 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2765 * config/sh/lib1funcs.h (SL, SL1): Define.
2766 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2767 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2768 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2769 (OBJS_Os_4_200): New variable.
2770 ($(T)libgcc-Os-4-200.a): Use it.
2771 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2772 when dividing 1 and/or by 0.
2774 2006-06-13 Roger Sayle <roger@eyesopen.com>
2776 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2777 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2778 * configure: Regenerate.
2780 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2782 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2783 for real instruction.
2785 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2788 * haifa-sched.c (check_cfg): Handle special case.
2790 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2793 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2794 Add debug_info parameter. Chain the vars to the BLOCK instead
2795 of the BIND_EXPR if debug info are requested for them.
2796 (pop_gimplify_context): Adjust for above change.
2797 (gimple_add_tmp_var): Likewise.
2798 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2800 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2801 (convert_local_reference): Likewise.
2802 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2803 (finalize_nesting_tree_1): Request that debug info be emitted
2804 for debug_var_chain.
2806 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2808 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2809 for PR target/27863.
2811 2006-06-13 Richard Guenther <rguenther@suse.de>
2814 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2816 2006-06-13 Richard Guenther <rguenther@suse.de>
2818 PR tree-optimization/27830
2819 * tree-inline.c (copy_body_r): For copying the operand
2820 of an ADDR_EXPR make sure to fold &* afterwards.
2822 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2824 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2825 lvalues in the fb_none case with side-effects.
2827 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2829 * tree-flow.h: Remove the prototype for
2830 compute_phi_arg_on_exit.
2831 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2832 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2835 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2837 * builtins.c (expand_builtin_return_addr): Only use
2838 frame_pointer_rtx when count == 0 and we are expanding
2839 __builtin_return_address.
2841 2006-06-12 Fred Fish <fnf@specifix.com>
2843 * config/mips/mips.c (mips_file_start): Create special section
2844 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2846 2006-06-11 Eric Christopher <echristo@apple.com>
2849 * stor-layout.c (place_field): Remove check for
2850 remaining_in_alignment when aligning at the end of a run.
2852 2006-06-11 Eric Christopher <echristo@apple.com>
2855 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2858 2006-06-11 Roger Sayle <roger@eyesopen.com>
2861 Revert incorrect fix for PR target/27158
2862 2006-05-08 Roger Sayle <roger@eyesopen.com>
2863 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2864 of a reg_equiv_constant if the result is a legitimate constant.
2866 2006-06-11 Roger Sayle <roger@eyesopen.com>
2869 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2870 extract a CONST_VECTOR element and interpret it as an integer.
2871 (vspltis_constant): Use const_vector_elt_as_int instead of the
2872 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2873 * config/rs6000/predicates.md (easy_vector_const): Consider
2874 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2876 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2879 * stor-layout.c (update_alignment_for_field): Don't add extra
2880 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2883 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2885 * config/mips/t-rtems: Add EL/EB multilib variants.
2887 2006-06-09 Mike Stump <mrs@apple.com>
2889 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2891 2006-06-09 David Daney <ddaney@avtrex.com>
2893 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2895 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2897 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2899 2006-06-09 Richard Guenther <rguenther@suse.de>
2901 PR tree-optimization/26998
2902 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2903 of signed types, only TYPE_MIN_VALUE is special, but for both,
2904 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2905 in this case, as is -fwrapv.
2907 2006-06-08 Mike Stump <mrs@apple.com>
2910 * config/darwin.c (darwin_asm_output_anchor): Disable
2911 -fsection-anchors on darwin for now.
2912 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2913 * rs6000/rs6000.c (optimization_options): Likewise.
2915 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2918 * config/i386/i386.c (classify_argument): Skip fields with invalid
2921 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2923 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2924 (cse_insn): Likewise for the stack_pointer_rtx.
2926 2006-06-08 Roger Sayle <roger@eyesopen.com>
2928 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2929 conditions from floating point comparisons.
2931 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2934 * expmed.c (struct alg_hash_entry): Fix type of field T
2935 to match synth_mult argument.
2936 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2938 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2941 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2944 2006-06-08 Richard Guenther <rguenther@suse.de>
2947 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2948 only, if overflow is defined and not trapping.
2949 (negate_expr): Likewise.
2951 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2953 PR tree-optimization/27872
2954 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2955 flag on the new exit edge of the unrolled loop.
2957 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2959 PR rtl-optimization/26449
2960 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2962 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2965 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2966 referenced_variables with matching DECL_UID's.
2967 (find_referenced_vars): Make sure duplicate list is empty to start.
2968 (referenced_var_p): Remove.
2969 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2970 Check if var is in the list, and add if needed. Update the duplicate
2971 list if a different var is in the list with the same DECL_UID.
2972 (add_referenced_var): Call routine to check and insert.
2973 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2974 * tree-flow.h (referenced_vars_dup_list): External declaration.
2976 2006-06-07 Fred Fish <fnf@specifix.com>
2978 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2981 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2984 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2985 the imaginary and real parts of a clobbered register.
2986 Emit insn to set the imaginary part.
2988 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2990 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2991 in lieu of unwind-dw2-fde.c.
2993 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2995 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2997 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3000 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3001 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3002 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3003 V4SImode temporaries and operations instead.
3005 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3007 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3010 2006-06-06 Mike Stump <mrs@apple.com>
3012 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3013 installing during build.
3015 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3017 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3019 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3020 * config/ia64/ia64.c (params.h): New header.
3021 (ia64_optimization_options): New function to adjust parameters.
3022 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3023 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3024 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3026 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3028 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3030 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3033 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3035 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3036 Victor Kaplansky <victork@il.ibm.com>
3038 PR tree-optimization/26360
3039 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3042 2006-06-04 Roger Sayle <roger@eyesopen.com>
3043 Andrew Pinski <pinskia@physics.uc.edu>
3046 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3047 for LABEL_DECL before calling DECL_WEAK.
3050 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3051 LABEL_DECL and PARM_DECL.
3053 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3057 * c-decl.c (grokdeclarator): Disallow variably modified types at
3058 file scope. Avoid marking shared array type of constant size as
3061 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3064 * c-common.c (fold_offsetof_1): Handle static members.
3066 2006-06-04 Eric Christopher <echristo@apple.com>
3068 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3069 (debug_rli): Output value for remaining_in_alignment.
3070 (update_alignment_for_field): Unconditionalize
3071 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3072 extra alignment code.
3073 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3074 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3075 * tree.h (record_layout_info_s): Remove prev_packed.
3076 * doc/extend.texi (ms_struct): Add documentation of format.
3078 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3080 * tree.h: Declare folding_initializer.
3081 * builtins.c (fold_builtin_constant_p): Give definite answer
3082 if folding inside an initializer.
3083 * fold-const.c: Define folding_initializer.
3084 (START_FOLD_INIT): Save and then set folding_initializer.
3085 (END_FOLD_INIT): Restore folding_initializer.
3087 2006-06-04 Richard Guenther <rguenther@suse.de>
3089 PR tree-optimization/27039
3090 * fold-const.c (fold_comparison): Handle pointer comparison
3091 again for all comparison codes. Compare offsets in signed
3093 (fold_binary): Move code from here.
3095 2006-06-03 Roger Sayle <roger@eyesopen.com>
3098 * config/i386/i386.c (construct_container): Split static issued_error
3099 flag into issued_sse_arg_error, issued_sse_ret_error and
3100 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3101 requires the use of x87 registers and the user explicitly
3102 specified the -mno-80387 command line option.
3104 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3106 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3107 HAVE_DECL_SIGALTSTACK.
3109 (segv_handler): Use MC_FLD.
3110 * configure.ac: Check for a sigaltstack declaration.
3111 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3112 * configure: Regenerate.
3113 * config.in: Regenerate.
3115 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3118 * Makefile.in (stmp-fixinc): Fix typo.
3120 2006-06-02 Roger Sayle <roger@eyesopen.com>
3122 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3123 are type correct. Clean-up.
3124 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3125 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3127 2006-06-01 DJ Delorie <dj@redhat.com>
3129 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3130 shift, as we've disabled the "switch" insn that needs it.
3132 2006-06-01 Per Bothner <bothner@bothner.com>
3134 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3135 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3136 * c-ppoutput.c (cb_define): Don't increment line 0.
3138 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3140 * doc/invoke.texi: Add cpu_type power6.
3141 * config.gcc: Add cpu_type power6.
3142 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3143 to power5+ with Altivec.
3144 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3145 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3147 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3149 * config/avr/avr.h (SET_ASM_OP): Define.
3151 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3153 * config/bfin/bfin.c: Fix comment typos.
3155 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3158 * doc/install.texi: Document --enable-bootstrap and
3159 --disable-bootstrap.
3161 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3163 * doc/install.texi: Document that InfoZIP can replace jar.
3165 2006-05-31 Roger Sayle <roger@eyesopen.com>
3167 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3168 isn't available, directly generate the simpler x87 patterns without
3169 the (use (const_int 0)).
3170 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3171 implementation isn't available.
3172 (*negdf2_1): Likewise.
3173 (*negxf2_1): XF mode negation is always done using the x87.
3174 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3176 2006-05-31 Roger Sayle <roger@eyesopen.com>
3178 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3179 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3181 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3183 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3185 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3186 * config/bfin/bfin.c (basic-block.h): Include.
3187 (struct machine_function): New.
3188 (bfin_init_machine_status): New.
3189 (override_options): Initialize init_machine_status.
3190 (bfin_hardware_loop): New.
3191 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3192 (DEF_VEC_P (loop_info)): New.
3193 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3194 (struct loop_info): New.
3195 (loop_info): New typedef.
3196 (struct loop_work): New.
3197 (loop_work): New typedef.
3198 (DEF_VEC_O (loop_work)): New.
3199 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3200 (bfin_dump_loops): New.
3201 (bfin_bb_in_loop): New.
3202 (bfin_scan_loop): New.
3203 (bfin_optimize_loop): New.
3204 (bfin_reorg_loops): New.
3205 (bfin_reorg): Use bfin_reorg_loops.
3206 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3208 (I_REGNO_P): Simplify.
3209 (DP_REGNO_P, DPREG_P): New macros.
3210 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3211 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3212 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3213 Add LT_REGS, LC_REGS, LB_REGS.
3214 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3216 (REGNO_REG_CLASS): Deal with loop registers.
3217 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3219 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3220 New constants for loop registers.
3221 (UNSPEC_LSETUP_END): New.
3222 (seq_insns): New define_attr. Set it for appropriate insns.
3223 (movsi_insn): Add alternatives for move from/to
3224 loop count registers.
3225 (doloop_end): New define_expand.
3226 (loop_end): New define_insn.
3227 (define_split for bad doloop_end): New.
3228 (lsetup_with_autoinit): New define_insn.
3229 (lsetup_without_autoinit): New define_insn.
3230 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3231 * config/bfin/predicates.md (lc_register_operand): New.
3232 (lt_register_operand): New.
3233 (lb_register_operand): New.
3234 (nondp_register_operand): New.
3235 (nondp_reg_or_memory_operand): New.
3236 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3238 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3240 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3241 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3243 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3245 * Makefile.in (CATALOGS): Add po/ prefix.
3246 * configure: Regenerated.
3248 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3251 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3252 a shift operand before calling shift_op. Avoid redundant call of
3255 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3256 DJ Delorie <dj@redhat.com>
3258 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3259 we're inserting is a singlt-bit constant.
3261 2006-05-30 Roger Sayle <roger@eyesopen.com>
3263 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3264 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3266 2006-05-30 Roger Sayle <roger@eyesopen.com>
3268 PR tree-optimization/23452
3269 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3270 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3271 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3272 complex values and with -ffast-math for FP complex values.
3274 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3276 * c-common.h: Remove the prototype for yyparse.
3277 * rtl.h: Remove the prototype for init_loop.
3279 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3281 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3284 2006-05-30 Roger Sayle <roger@eyesopen.com>
3286 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3288 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3289 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3291 2006-05-30 Dirk Mueller <dmueller@suse.de>
3294 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3295 for CONSTANT_CLASS_P expresisons.
3297 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3300 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3302 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3304 PR tree-optimization/27779
3305 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3306 initial_condition instead of CHREC_LEFT.
3308 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3310 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3311 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3312 Make prototypes ISO C90.
3314 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3315 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3317 * see.c (see_analyze_one_def): Correct check.
3318 (see_get_extension_data): Check if extension is parallel.
3319 (see_get_extension_reg): Likewise.
3321 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3324 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3325 into register for (code == GTU).
3327 2006-05-29 Roger Sayle <roger@eyesopen.com>
3329 PR tree-optimization/24964
3330 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3331 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3332 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3333 abs(x)*abs(x) as x*x for scalar floating point modes.
3335 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3338 * lambda-code.c (perfect_nestify): Don't copy statements
3339 in the inner loop: move them to the inner loop header.
3341 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3344 * c-tree.texi: Document OpenMP directives and clauses.
3346 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3348 * varasm.c (globalize_decl): Fix indentation.
3350 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3353 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3354 pass_fre, pass_store_ccp, pass_copy_prop,
3355 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3356 pass_return_slot, pass_object_size, pass_lim,
3357 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3358 pass_loop_prefetch and pass_stdarg.
3360 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3362 * config/bfin/bfin.opt (mfdpic): New option.
3363 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3364 (EXTRA_MULTILIB_PARTS): Likewise.
3365 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3366 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3368 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3369 (CRT_CALL_STATIC_FUNCTION): New.
3370 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3372 (CRT_CALL_STATIC_FUNCTION): New.
3373 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3375 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3376 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3377 (initialize_trampoline): Changed to handle FD-PIC code generation.
3378 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3379 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3380 (override_options): Disallow -mid-shared-library -mfdpic combination.
3381 Can't do unaligned ops if FD-PIC.
3382 Turn off flag_pic if trying to generate non-id-shared-library
3383 non-fdpic code, since it's not supported.
3384 (bfin_assemble_integer): New function.
3385 (TARGET_ASM_INTEGER): Define.
3386 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3388 * config/bfin/crtn.s: Restore them.
3389 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3391 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3392 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3393 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3394 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3395 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3397 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3398 FDPIC_REGS and FDPIC_FPTR_REGS.
3399 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3400 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3401 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3402 (load_funcdescsi): New pattern.
3403 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3404 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3405 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3407 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3409 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3412 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3414 * tree-flow.h: Remove the prototype for add_type_alias.
3415 * tree-ssa-alias.c (add_type_alias): Remove.
3417 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3419 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3420 config/fr30/fr30.md, config/i386/i386-interix.h,
3421 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3422 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3423 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3424 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3425 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3426 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3427 Follow spelling conventions.
3428 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3429 Follow spelling conventions.
3431 2006-05-27 Richard Guenther <rguenther@suse.de>
3434 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3435 to produce a constant of value 1 of generic type.
3437 2006-05-27 Dirk Mueller <dmueller@suse.de>
3439 * cgraphunit.c (decide_is_function_needed): Fix wrong
3442 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3444 PR rtl-optimization/27661
3445 * reload.c (find_reloads): When reloading a VOIDmode constant
3446 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3447 use Pmode as mode of the reload register.
3449 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3451 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3452 is enabled at -O and above.
3454 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3457 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3460 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3463 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3464 for anonymous variables explicitly declared by front ends.
3466 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3468 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3469 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3470 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3471 ref-all pointers, run a finalization pass for them.
3472 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3473 (finalize_ref_all_pointers): New function.
3474 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3475 regular pointer type to a ref-all pointer type.
3476 (get_tmt_for): Return the special memory tag for ref-all pointers.
3478 2006-05-25 Richard Guenther <rguenther@suse.de>
3481 * fold-const.c (fold_binary): Do not look at the stripped
3482 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3484 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3486 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3487 for LT and GT if the computed range is effectively empty.
3489 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3492 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3493 mips_quad_format formats instead of ieee_single_format,
3494 ieee_double_format and ieee_quad_format formats, respectively.
3496 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3498 PR tree-optimization/27639
3499 PR tree-optimization/26719
3500 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3501 call to scev_probably_wraps_p.
3502 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3503 used_in_pointer_arithmetic_p, convert_step): Removed.
3504 (nowrap_type_p): New function.
3505 (scev_probably_wraps_p): Rewritten.
3506 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3507 chrec_convert if chrec_convert_aggressive might have been used.
3508 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3509 scev_direction): New functions.
3510 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3511 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3512 instead of convert_step.
3513 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3514 (convert_step): Declaration removed.
3515 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3517 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3519 * df-core.c: Added to header comments.
3520 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3521 df_ur_bb_info, df_urec_bb_info): Added comments.
3522 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3523 urec, ri problems): Fixed header comments.
3524 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3525 code from df_rd_transfer_function.
3527 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3529 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3530 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3531 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3533 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3535 * expr.c (undefined_operand_subword_p): New.
3536 (emit_move_multi_word): Do not generate move from undefined bits
3537 of a paradoxical subreg.
3539 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3541 PR rtl-optimization/27736
3542 * combine.c (replaced_rhs_value): New variable.
3543 (combine_instructions): Set it.
3544 (distribute_notes): When distributing a note in replaced_rhs_insn,
3545 check whether the value was used in replaced_rhs_value.
3547 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3550 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3551 add_referenced_var instead of add_referenced_tmp_var.
3552 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3553 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3555 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3556 tree_optimize_tail_calls_1): Use add_referenced_var.
3557 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3558 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3559 Use add_referenced_var.
3560 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3561 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3562 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3563 Use add_referenced_var.
3564 * tree-dfa.c (struct walk_state): Remove.
3565 (find_referenced_vars): Remove walk state and vars_found hash table.
3566 (make_rename_temp): Use add_referenced_var.
3567 (find_vars_r): Pass less parameters to add_referenced_var.
3568 (referenced_var_p): New. Is var in referenced_var hash table.
3569 (referenced_var_insert): Assert var isn't already in hash table.
3570 (add_referenced_var): Don't need walk_state parameter. Add var if it
3571 isn't already in the hash table.
3572 (add_referenced_tmp_var): Remove.
3573 (find_new_referenced_vars_1): Use add_referenced_var.
3574 * tree-ssa-pre.c (create_expression_by_pieces,
3575 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3576 Use add_referenced_var.
3577 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3578 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3579 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3581 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3582 vect_create_data_ref_ptr, vect_create_destination_var,
3583 vect_init_vector, vect_build_loop_niters,
3584 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3585 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3586 Use add_referenced_var.
3587 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3588 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3589 (add_referenced_var): Add prototype.
3590 * tree-ssa-structalias.c (get_constraint_for,
3591 intra_create_variable_infos): Use add_referenced_var.
3593 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3595 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3596 big-endian paradoxical subregs.
3597 * var-tracking.c (struct micro_operation_def): Document that,
3598 for modify micro operations, insn is the subsequent instruction.
3599 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3600 (var_reg_set, var_mem_set): ... new functions.
3601 (add_stores): Record subsequent insn.
3602 (compute_bb_dataflow): Use new functions for MO_USE.
3603 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3604 notes after the insn, and modify notes before the insn known
3605 to be the subsequent one.
3606 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3608 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3611 * config/i386/i386.c (ix86_expand_builtin): Use
3612 gen_sse3_monitor64 for TARGET_64BIT.
3614 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3616 PR rtl-optimization/26375
3617 PR rtl-optimization/26855
3618 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3620 (df_ru_bb_local_compute): Reversed statements and removed bogus
3621 comment explaining why they should be in wrong order.
3622 (df_ru_dump, df_rd_dump): Enhanced debug info.
3623 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3625 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3626 reaching uses and fixed space problem.
3628 2006-05-23 Jan Hubicka <jh@suse.cz>
3630 * cgraphunit.c (decide_is_function_needed): Also nested functions
3631 and functions declared inline can be optimized out at -O0.
3633 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3635 * doc/install.texi (Configuration): Remove reference to CrossGCC
3639 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3642 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3643 ix86_compare_emitted is non-NULL.
3645 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3648 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3651 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3653 PR rtl-optimization/25514
3654 * combine.c (replaced_rhs_insn): New variable.
3655 (combine_instructions): Set replaced_rhs_insn when trying to replace
3656 a SET_SRC with a REG_EQUAL note.
3657 (distribute_notes): Use replaced_rhs_insn when determining the live
3658 range of a REG_DEAD register.
3660 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3661 Anatoly Sokolov <aesok@post.ru>
3663 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3664 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3665 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3666 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3667 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3668 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3669 at90usb647, at90usb1286 and at90usb1287 devices.
3670 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3671 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3673 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3675 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3677 2006-05-22 Richard Guenther <rguenther@suse.de>
3680 2006-01-31 Richard Guenther <rguenther@suse.de>
3681 Paolo Bonzini <bonzini@gnu.org>
3683 * doc/install.texi (--disable-libgcc-math): Document.
3685 2006-05-22 Richard Guenther <rguenther@suse.de>
3688 2006-01-31 Richard Guenther <rguenther@suse.de>
3690 * doc/invoke.texi (-msselibm): Document.
3691 * target.h (expand_library_builtin): New target hook.
3692 * builtins.c (expand_builtin): Use expand_library_builtin.
3693 (default_expand_library_builtin): New function.
3694 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3695 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3696 (link_gcc_math_spec): Declare.
3697 (static_specs): Add link_gcc_math_spec.
3698 * expr.h (default_expand_library_builtin): Declare.
3699 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3700 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3701 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3702 * config/i386/i386.opt (msselibm): New target option.
3703 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3704 (ix86_init_sse_abi_builtins): New function.
3705 (ix86_expand_library_builtin): Likewise.
3706 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3707 (override_options): Handle error conditions wrt -msselibm.
3708 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3709 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3710 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3713 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3716 * c-common.c (self_promoting_args_p): Skip erroneous args.
3719 * c-decl.c (finish_struct): Skip erroneous fields.
3721 2006-05-22 Nick Clifton <nickc@redhat.com>
3723 * config/cris/cris.opt (march): Remove VarExists attribute.
3724 (max-stackframe=): Likewise.
3726 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3728 * doc/rtl.texi: Fix a typo.
3729 * see.c: Fix comment typos.
3731 * tree-ssa-structalias.h (alias_info): Remove num_references.
3733 2006-05-21 Mike Stump <mrs@apple.com>
3735 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3737 (darwin_pragma_options): Use BAD instead.
3738 (darwin_pragma_unused): Likewise.
3739 (darwin_pragma_ms_struct): Likewise.
3741 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3743 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3745 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3747 PR rtl-optimization/27671
3748 * simplify-rtx.c (simplify_relational_operation_1): Fix
3749 simplifications of (eq/ne (xor x y) y) and
3750 (eq/ne (xor x y) x).
3752 PR tree-optimization/26622.
3753 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3756 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3758 * tree-cfg.c: Prune whitespace.
3759 (debug_tree_cfg): Point to correct header containing the
3762 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3765 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3767 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3770 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3771 or sorry count is non zero.
3773 2006-05-20 Andreas Schwab <schwab@suse.de>
3775 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3777 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3778 Kenneth Zadeck <zadeck@naturalbridge.com>
3780 PR rtl-optimization/26855
3782 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3784 (df_scan_alloc): Added code to properly handle multiword hard
3785 registers and add all_blocks parameter.
3786 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3787 code to properly handle multiword hard registers.
3788 (df_rescan_blocks): Added code to remove deleted blocks from
3790 (df_ref_create_structure, df_ref_record): Added code to properly
3792 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3793 and set DF_REF_PARTIAL.
3794 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3795 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3796 (df_scan_add_problem): Added flags parameter.
3797 (df_ref_create_structure): Changed switching structure.
3798 (df_bb_refs_record): Fixed case where duplicate artificial refs
3799 were created. Changed location of flags.
3800 (df_record_entry_block_defs): Added code to make stack pointer
3801 live in entry block. Refined cases where frame pointer is needed.
3802 Changed location of flags.
3803 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3804 (df_set_state): Removed function.
3805 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3806 df_insn_create_insn_record, df_insn_refs_delete,
3807 df_ref_create_structure): Formatting changes.
3808 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3809 df_delete_basic_block): New function.
3810 (df_init): Changed location of flags.
3811 (df_add_problem): Added flags parameter and the way flags are
3813 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3814 debug_df_chain): Improved debugging output.
3815 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3816 (df_refs_chain_dump): Removed df parameter.
3817 (df_iterative_dataflow): Added consistency check.
3818 (df_prune_to_subcfg): Made public.
3819 (df_analyze_problem): Added blocks_to_init parameter and made
3821 (df_ref_record, df_bb_refs_record, df_mark_reg,
3822 df_record_exit_block_uses): Whitespace changes.
3823 (df_dump): Whitespace changes.
3824 * df.h: Some reordering to remove forward references.
3825 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3826 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3827 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3828 (dataflow.flags): New field.
3829 (df.flag): Deleted field.
3830 (df_alloc_function): Added additional bitmap parameter.
3831 (df_dependent_problem_function): New type.
3832 (df_problem.changeable_flags): New field.
3833 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3834 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3835 (df_mw_hardreg): New struct.
3836 (DF_INSN_UID_MWS): New macro.
3837 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3839 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3840 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3841 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3842 (df_set_state): Removed function.
3843 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3844 * df-problems.c (df_chain_dump): Removed df parameter.
3845 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3846 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3848 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3849 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3850 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3851 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3852 DF_REF_MUST_CLOBBER cases.
3853 (df_ru_bb_local_compute_process_def,
3854 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3855 df_lr_bb_local_compute, df_ur_bb_local_compute,
3856 df_chain_create_bb): Made subreg aware.
3857 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3858 df_lr_bb_local_compute, df_lr_bb_local_compute,
3859 df_chain_create_bb): Cleanup to use proper macros.
3860 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3861 code to fixup bitvectors.
3862 (df_ri_alloc): Cleared lifetime.
3863 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3864 df_create_unused_note): New function.
3865 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3866 REG_DEAD and REG_UNUSED notes as well as register information.
3867 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3868 df_chains_dump): Fixed crash if problem was never run.
3869 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3870 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3871 df_ri_add_problem): Processes flags in uniform manner.
3872 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3873 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3874 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3875 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3876 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3877 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3878 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3879 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3880 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3881 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3882 * see.c (see_initialize_data): Ditto.
3883 * final.c (rest_of_clean_state) Added regstack_completed.
3884 * rtl.h (regstack_completed): Ditto.
3885 * reg-stack.c (regstack_completed): Ditto.
3887 2006-05-19 Mike Stump <mrs@apple.com>
3889 * c-tree.h (default_conversion): Remove.
3890 * c-common.h (default_conversion): Add.
3892 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3894 * tree-vrp.c (valid_value_p): New function.
3895 (adjust_range_with_scev): Fail if the value of bound is not
3898 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3900 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3901 (mips_fallback_frame_state): Use syscall numbers to determine
3902 the appropriate li instruction for the current ABI. Only use
3903 __NR_sigreturn for o32.
3905 2006-05-19 Nicolas Setton <setton@adacore.com>
3907 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3908 * langhooks.c (lhd_dwarf_name): New function.
3909 * langhooks-def.h (lhd_dwarf_name): Declare.
3910 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3911 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3912 * ada/misc.c (gnat_dwarf_name): New function.
3913 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3915 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3917 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3919 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3920 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3921 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3922 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3923 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3924 determine the size of Wtype, etc.
3925 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3926 (swfloatfuncs): New variable.
3927 (dwfloatfuncs): Likewise.
3928 (lib2funcs): Remove floating-point conversion functions from
3929 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3930 the set of conversion routines needed. Allow entries to specify
3931 an object name, filename and word size. Update users accordingly.
3932 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3933 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3937 2006-02-08 Roger Sayle <roger@eyesopen.com>
3940 * config/fixtfdi.c: New libgcc source file.
3941 * config/fixunstfdi.c: New source file.
3942 * config/floatditf.c: New source file.
3943 * config/floatunditf.c: New souce file.
3944 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3945 files above instead of config/mips/_tilib.c.
3946 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3948 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3950 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3951 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3953 2006-05-18 Mike Stump <mrs@apple.com>
3955 Fix up vla, vm and [*] sematics.
3961 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3962 (c_vla_unspec_p): Add.
3963 (c_vla_type_p): Add.
3964 * c-decl.c (struct c_scope): Add had_vla_unspec.
3965 (build_array_declarator): Add support for [*].
3966 (grokdeclarator): Likewise.
3967 (grokparms): Likewise.
3968 (get_parm_info): Likewise.
3969 * c-objc-common.c (c_vla_unspec_p): Likewise.
3970 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3971 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3972 typeof when argument is a variably modified type not inside sizeof or alignof.
3973 (c_parser_direct_declarator_inner): Propagate errors.
3974 (c_parser_sizeof_expression): Add support for [*].
3975 (c_parser_parms_declarator): Initialize had_vla_unspec.
3976 (c_parser_parms_list_declarator): Likewise.
3977 * c-typeck.c (c_vla_type_p): Add.
3978 (composite_type): Add support for vla compositing.
3979 (comptypes_internal): Add support for vla compatibility.
3980 (c_expr_sizeof_expr): Evaluate vla arguments.
3981 * tree.c (variably_modified_type_p): Update comment for [*].
3983 2006-05-18 Michael Matz <matz@suse.de>
3986 * config.host: Make assignments to host_xmake_file cumulative.
3987 * config.host (*-darwin*): Test $host, not $target.
3989 2006-05-12 Stuart Hastings <stuart@apple.com>
3991 * config/i386/i386.opt (-mstackrealign): New flag.
3992 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3993 (ix86_handle_cconv_attribute): Emit error when
3994 force_align_arg_pointer attribute collides with too many regparms.
3995 (ix86_function_regparm): Limit regparms when used with
3996 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3997 Support stack-realigning prologue in non-main functions. Emit
3998 warning for nested functions under -mstackrealign, emit error for
3999 nested functions with force_align_arg_pointer attribute.
4000 * doc/extend.texi (force_align_arg_pointer): Document it.
4001 * doc/invoke.texi (-mstackrealign): Document it.
4003 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4005 PR rtl-optimization/27477
4006 * combine.c (try_combine): Don't split a parallel consisting
4007 of two sets into two individual sets if both sets reference
4010 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4012 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4013 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4015 * doc/options.texi (VarExists): Updated.
4017 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4019 * unwind-dw2.c: Add declarations for uw_update_context and
4021 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4022 detected, advance frame state and context once to skip over stub.
4024 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4028 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4029 Call rewrite_into_loop_closed_ssa only when something changed.
4030 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4031 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4032 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4033 Test for perfect_nest_p here. Fix formating.
4034 (replace_uses_equiv_to_x_with_y): Fix formating.
4035 (stmt_uses_op): Removed.
4036 (can_convert_to_perfect_nest): Removed loopivs parameter.
4037 Complete the test by checking the scalar dependences.
4038 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4041 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4044 From Dan Kegel <dank@kegel.com>:
4045 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4047 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4049 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4050 if the element type is variably modified without recursing.
4052 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4055 * tree-loop-linear.c (try_interchange_loops): Test for
4056 no data dependences.
4058 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4060 PR tree-optimization/27548
4061 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4062 range of ssa names that appear on abnormal edges.
4063 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4064 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4066 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4069 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4071 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4074 * tree.h (OMP_PARALLEL_COMBINED): Define.
4075 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4076 (new_omp_context): Add is_combined_parallel argument.
4077 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4078 new_omp_context caller.
4079 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4080 Adjust gimplify_scan_omp_clauses callers.
4081 (omp_is_private): Issue errors if iteration variable is firstprivate
4082 or reduction in the current context.
4083 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4084 on combined parallel workshare constructs.
4086 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4088 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4089 (gcc-options.o): New rule.
4091 * optc-gen.awk: Protect variables for gcc-options.o with
4092 #ifdef GCC_DRIVER/#endif.
4094 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4096 Fix PR tree-optimization/27373
4097 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4098 (forward_propagate_addr_expr): Update call.
4100 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4102 * doc/options.texi: Move the Negative option.
4104 2006-05-16 Richard Guenther <rguenther@suse.de>
4106 PR tree-optimization/22303
4107 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4109 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4110 ccp_fold did not simplify the statement.
4112 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4115 * Makefile.in (GCC_OBJS): New.
4116 (OBJS-common): Add opts-common.o.
4117 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4118 (cpp$(exeext)): Likewise.
4119 (gcc.o): Also depend on opts.h.
4120 (opts-common.o): New.
4122 * common.opt (gcoff): Add Negative(gdwarf-2).
4123 (gdwarf-2): Add Negative(gstabs).
4124 (gstabs): Add Negative(gstabs+).
4125 (gstabs+): Add Negative(gvms).
4126 (gvms): Add Negative(gxcoff).
4127 (gxcoff): Add Negative(gxcoff+).
4128 (gxcoff+): Add Negative(gcoff).
4129 * config/i386/i386.opt (m32): Add Negative(m64).
4130 (m64): Add Negative(m32).
4132 * doc/options.texi: Document the Negative option.
4134 * gcc.c: Include "opts.h".
4135 (main): Call prune_options after expandargv.
4137 * optc-gen.awk: Generate common declarations for all flag
4138 variables in options.c. Output the neg_index field.
4140 * opts.c (find_opt): Moved to ...
4141 * opts-common.c: Here. New file.
4143 * opts.h (cl_option): Add a neg_index field.
4145 (prune_options): Likewise.
4147 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4150 * omp-low.c (expand_omp_parallel): Don't assert
4151 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4152 instead search for it.
4155 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4158 2006-05-16 Andreas Schwab <schwab@suse.de>
4160 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4163 2006-05-15 Roger Sayle <roger@eyesopen.com>
4166 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4167 integer constants other than zero are only legitimate on TARGET_64BIT.
4168 <CONST_VECTOR> Only zero vectors are legitimate.
4169 (ix86_cannot_force_const_mem): Integral and vector constants can
4170 always be put in the constant pool.
4172 2006-05-16 DJ Delorie <dj@redhat.com>
4174 * crtstuff.c (__dso_handle): Set section from
4175 TARGET_LBIGCC_SDATA_SECTION if defined.
4176 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4177 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4179 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4182 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4185 2006-05-16 Ben Elliston <bje@au.ibm.com>
4187 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4189 2006-05-15 Per Bothner <per@bothner.com>
4191 * tree.c: (last_annotated_node): Use source_locus typedef.
4192 This permits bootstrapping with --enable-mapped-location.
4194 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4196 PR tree-optimization/26830
4197 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4198 (info_for_ssa_name, current_info_for_ssa_name_age,
4199 blocks_to_update): New variables.
4200 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4201 (clear_ssa_name_info, initialize_flags_in_bb,
4202 mark_block_for_update): New functions.
4203 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4204 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4205 prepare_def_site_for): Use mark_block_for_update.
4206 (mark_def_interesting): Assert that the processed block is marked in
4207 blocks_to_update. Do not take blocks argument.
4208 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4210 (rewrite_update_init_block, rewrite_update_stmt): Only process
4211 blocks with statements to rewrite.
4212 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4213 (update_ssa): Initialize and free blocks_to_update. Do not
4214 clear flags on statements. Do not use blocks bitmap.
4215 * tree.h (SSA_NAME_AUX): Removed.
4216 (struct tree_ssa_name): Removed aux field.
4217 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4219 2006-05-15 Richard Guenther <rguenther@suse.de>
4221 PR tree-optimization/27603
4222 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4223 Do computations in original type.
4225 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4227 * see.c: Code style changes such as redundant paranthesis,
4228 redundant intialization of local variables etc.
4229 (see_main): Declared now as static.
4230 * doc/invoke.texi: Update that -fsee is not enabled by
4233 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4235 * omp-low.c (check_omp_nesting_restrictions): New function.
4236 (scan_omp_1): Call it.
4239 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4240 construct, return *VAR.
4242 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4244 PR rtl-optimization/27406
4245 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4248 2006-05-14 Roger Sayle <roger@eyesopen.com>
4250 PR rtl-optimization/27538
4251 * combine.c (expand_compound_operation): Call gen_lowpart
4252 before calling simplify_shift_const.
4254 2006-05-14 Roger Sayle <roger@eyesopen.com>
4256 PR rtl-optimization/22563
4257 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4258 a fixed width bitfield, always force the intermediates into psuedos.
4260 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4263 * mkconfig.sh: Use operator = instead of == for test.
4265 2006-05-13 Nick Clifton <nickc@redhat.com>
4267 * dwarf2out.c (dbx_reg_number): Check return value from
4268 LEAF_REG_REMAP and only use it if it is valid.
4269 (multiple_reg_loc_descriptor): Likewise.
4271 2006-05-13 Richard Guenther <rguenther@suse.de>
4273 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4276 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4278 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4279 information attached to non-INSNs such as NOTEs.
4280 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4282 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4284 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4286 * config/s390/s390.md: Adjust comment describing On constraint.
4288 2006-05-11 Jan Hubicka <jh@suse.cz>
4290 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4291 to be output at -O0.
4293 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4296 * fold-const.c (size_binop): Move sanity check for arguments to
4297 the beginning of the function.
4300 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4303 2006-05-11 Richard Guenther <rguenther@suse.de>
4306 * fold-const.c (fold_unary): Handle intermediate conversion
4307 to a pointer type like intermediate conversion to an integer
4308 type in folding of (T1)(T2)var to var.
4309 Match the code to the comment in the final conversion for
4310 (T1)(T2)var to (T1)var regarding to type precision. Rather
4311 than disallow T1 being of pointer type, assert that both T1
4312 and var are of pointer type or not. Make sure not to fall
4313 over the frontends lazyness wrt array to pointer decay though.
4315 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4317 * arm.c (arm_struct_value_rtx): Delete.
4318 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4319 (arm_init_cumulative_args): Always initialize nregs to zero.
4321 2006-05-10 Richard Guenther <rguenther@suse.de>
4323 PR tree-optimization/27532
4324 * tree-object-size.c (plus_expr_object_size): Fix typo.
4326 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4329 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4330 ashrdi_const, ashrdi3): Use a scratch register.
4332 2006-05-10 Richard Guenther <rguenther@suse.de>
4334 PR tree-optimization/27302
4335 * fold-const.c (operand_equal_p): For two comparisons,
4336 try comparison of one comparison code swapped if that yields
4339 2006-05-10 Ben Elliston <bje@au.ibm.com>
4341 * tree-pretty-print.c (pretty_print_string): No need to handle
4342 '\0' as a special character.
4344 * tree.h: Include "hashtab.h".
4345 (iterative_hash_expr): Use hashval_t in its prototype.
4346 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4348 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4351 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4352 (hppa*64*-*-hpux11*): Ditto.
4353 (hppa[12]*-*-hpux11*): Ditto.
4355 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4358 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4360 2006-05-09 Michael Matz <matz@suse.de>
4362 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4363 host_extra_gcc_objs and host_xmake_file.
4364 (<*-*-linux*>): Don't overwrite host_xmake_file.
4365 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4366 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4367 (host_detect_local_cpu): Declare.
4368 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4369 * config/i386/i386.c (override_options): Handle -mtune=native
4371 * config/i386/x-i386: New file.
4372 * config/i386/driver-i386.c: New file.
4373 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4376 2006-05-09 Dirk Mueller <dmueller@suse.de>
4377 Richard Guenther <rguenther@suse.de>
4380 * fold-const.c (fold_read_from_constant_string): Relax check
4381 for matching types to matching modes.
4383 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4385 PR rtl-optimization/27335
4386 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4389 2006-05-08 Chao-ying Fu <fu@mips.com>
4390 Richard Sandiford <richard@codesourcery.com>
4392 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4393 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4394 * config/mips/mips.md (UNSPEC_SCC): New constant.
4395 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4396 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4397 (mips_emit_compare): Use it.
4398 (mips_expand_vcondv2sf): New function.
4400 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4402 Fix PR tree-optimization/27093
4403 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4404 renaming when they become not-used_alone.
4406 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4408 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4409 relocation and relocation stubs.
4411 2006-05-08 Eric Christopher <echristo@apple.com>
4413 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4416 2006-05-08 Jan Hubicka <jh@suse.cz>
4419 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4420 unused static functions are needed.
4422 2006-05-08 Roger Sayle <roger@eyesopen.com>
4425 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4426 of a reg_equiv_constant if the result is a legitimate constant.
4428 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4431 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4432 standard 80387 constants, raise the cost to prevent
4433 compress_float_constant() to generate load from memory.
4435 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4437 * config/arm/constraints.md (c): Fix a typo.
4439 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4442 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4445 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4447 (_mm_mwait): Likewise.
4449 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4451 (sse3_monitor): Make it 32bit only.
4452 (sse3_monitor64): New. 64bit monitor.
4454 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4457 * config/i386/i386.c (classify_argument): Skip fields with invalid
4460 2006-05-07 Richard Guenther <rguenther@suse.de>
4462 PR tree-optimization/27409
4463 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4464 Do not try to find zero-sized subvars.
4466 2006-05-07 Richard Guenther <rguenther@suse.de>
4468 PR tree-optimization/27136
4469 * tree-ssa-loop-niter.c (get_val_for): Correct function
4470 comment, assert requirements.
4471 (loop_niter_by_eval): Stop processing if the iterated
4472 value did not simplify.
4474 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4476 * opts.c (flag_see): remove its setting at -O3.
4478 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4480 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4481 * arm/constraints.md: New file.
4482 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4483 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4484 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4485 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4486 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4487 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4488 * arm.md: Include constraints.md.
4489 (thumb_movsi_insn): Use satisfies_constraint_J.
4490 (movhi, movqi): Use satisfies_constraint_I.
4492 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4494 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4495 for atmeg a645 device.
4497 2006-05-06 Richard Guenther <rguenther@suse.de>
4499 PR tree-optimization/27151
4500 * tree-vect-transform.c (vectorizable_condition): Punt on
4501 values that have a different type than the condition.
4503 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4506 * c-parser.c (c_parser_cast_expression): Only insert casts into
4507 hash table if pointer.
4508 * function.c (used_types_insert_helper): Rename from
4510 (used_types_insert): Call used_types_insert_helper.
4511 * function.h (used_types_insert): Accept only one argument.
4513 2006-05-05 David Edelsohn <edesohn@gnu.org>
4515 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4516 scratch with output modifier.
4518 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4521 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4522 with output modifier.
4524 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4527 * config/mips/mips.c (mips_symbolic_address_p): Return true
4528 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4529 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4531 2006-05-04 Richard Guenther <rguenther@suse.de>
4533 PR tree-optimization/14287
4534 PR tree-optimization/14844
4535 PR tree-optimization/19792
4536 PR tree-optimization/21608
4537 PR tree-optimization/27090
4538 * tree-ssa-pre.c (try_combine_conversion): New function.
4539 (compute_avail): After constructing the value-handle
4540 expression, use try_combine_conversion to combine NOP_EXPRs
4541 with previous value-handle expressions and use the result if it
4544 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4546 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4548 2006-05-04 Jan Hubicka <jh@suse.cz>
4551 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4553 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4555 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4556 that this only matches CONST_INTs. All users changed to VOIDmode
4559 * config/bfin/bfin.c: Include "optabs.h".
4560 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4562 (enum bfin_builtins): Add a number of fractional and vector builtins.
4563 (bfin_init_builtins): Likewise.
4564 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4565 (safe_vector_operand, bfin_expand_binop_builtin,
4566 bfin_expand_unop_builtin): New functions.
4567 (bfin_expand_builtin): Handle the new builtins.
4568 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4571 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4574 * Makefile.in (OBJS-common): Add see.o.
4575 (see.o): Add dependencies.
4576 * common.opt (fsee): New flag for the see optimization was added.
4577 * opts.c (flag_see): Initialized.
4578 * passes.c (init_optimization_passes, pass_see): New pass.
4579 * rtl.h (see_main): Declaration as extern.
4580 * timevar.def (TV_SEE): New.
4581 * tree-pass.h (pass_see): Declaration as extern.
4582 * invoke.texi (-fsee): Document.
4583 * recog.c (validate_simplify_insn): New function.
4584 * recog.h (validate_simplify_insn): Declaration as extern.
4585 * df-problems.c (df_chain_dump): Check for NULL.
4587 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4588 Daniel Berlin <dberlin@dberlin.org>
4590 * cfgrtl.c (insert_insn_bb_end_new): New function.
4591 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4593 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4595 * df.h (struct web_entry): Moved from web.c.
4596 (union_defs): Declaration as extern.
4597 (unionfind_root): Likewise.
4598 (unionfind_union): Likewise.
4599 * web.c (struct web_entry): Moved to df.h.
4600 (unionfind_root): Remove static declaration.
4601 (unionfind_union): Likewise.
4602 (union_defs): Likewise and generalize to use callback function.
4603 (web_main): Update arguments for union_defs function call.
4605 2006-05-04 Richard Guenther <rguenther@suse.de>
4607 PR tree-optimization/26447
4608 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4609 produce SSA_NAME copies before the store stmt to avoid
4610 breaking exception handling.
4612 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4615 * gimplify.c (omp_is_private): If var is shared in some outer context,
4616 return false instead of true. Stop searching on parallel context
4619 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4622 * coverage.c: Use get_gcov_unsigned_t() instead of
4623 unsigned_type_node all over.
4625 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4627 PR tree-optimization/27381
4628 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4629 maintain the same immediate_use links.
4630 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4631 node rather than segfaulting.
4633 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4636 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4637 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4638 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4640 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4642 Fix PR tree-optimization/26626
4643 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4645 * tree-ssa-operands.c (access_can_touch_variable): Allow
4646 typecasting through union pointers.
4648 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4651 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4652 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4653 to find if var will be a global variable even in the nested context.
4654 (omp_copy_decl): Only check for global variable at the end, it might
4655 be overridden in outer contexts.
4656 (scan_sharing_clauses): For global variables don't create a field.
4657 (lower_rec_input_clauses): Do nothing for global shared variables.
4658 Emit a barrier at the end of ILIST if there were any decls in both
4659 firstprivate and lastprivate clauses.
4660 (lower_send_clauses): Do nothing for global variables except for
4663 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4665 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4666 of the correct signedness is returned.
4668 2006-05-02 Jeff Law <law@redhat.com>
4670 PR tree-optimization/27364
4671 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4672 multiply expressions.
4674 2006-05-02 Tom Tromey <tromey@redhat.com>
4676 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4678 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4681 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4682 -mthumb -fPIC are used.
4684 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4685 Joshua Kinard <kumba@gentoo.org>
4688 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4689 with 64-bit pointers.
4691 2006-05-02 Paul Brook <paul@codesourcery.com>
4693 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4695 (create_fix_barrier): Check that a suitable barrier location is
4697 (arm_reorg): Include ftmp->address in allowable range of addresses.
4699 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4702 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4705 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4708 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4709 around RESULT_DECL for result passed by reference.
4710 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4711 * omp-low.c (use_pointer_for_field): Don't look at
4712 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4713 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4714 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4715 time or var for passing by reference for
4716 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4717 TREE_ADDRESSABLE variables when passing by reference.
4719 * omp-low.c (dump_omp_region): Fix output formatting.
4722 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4723 (expand_omp_parallel): Likewise.
4724 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4727 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4728 on statement list containing also constructors and destructors.
4729 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4732 * except.c (duplicate_eh_regions): Fix clearing of
4733 cfun->eh->region_array entries.
4735 2006-05-01 DJ Delorie <dj@redhat.com>
4737 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4739 (gcc_cv_objdump): Likewise.
4740 * configure: Regenerated.
4742 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4745 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4746 templates for case 3 and 4.
4748 2006-05-01 DJ Delorie <dj@redhat.com>
4750 * vec.c: Include bconfig.h when appropriate.
4751 * Makefile.in (build/vec.o): Adjust dependencies.
4752 * mkconfig.sh: Make sure config.h isn't used for build machine
4755 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4757 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4759 (mark_phi_for_rewrite): New function.
4760 (insert_phi_nodes_for, mark_use_interesting): Call
4761 mark_phi_for_rewrite.
4762 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4763 (update_ssa): Initialize and free phis_to_rewrite.
4765 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4767 PR rtl-optimization/27291
4768 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4769 folded to a constant.
4771 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4773 PR tree-optimization/27283
4774 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4775 not whole # of iteration descriptions.
4776 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4777 uses abnormal ssa name.
4778 (niter_for_single_dom_exit): Ditto.
4779 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4780 return just the number of iterations.
4782 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4784 PR tree-optimization/27144
4785 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4786 (record_estimate): Only record constant upper bound.
4787 (infer_loop_bounds_from_undefined): Call
4788 compute_estimated_nb_iterations just once.
4789 (proved_non_wrapping_p): Renamed to ...
4790 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4791 (convert_step_widening, scev_probably_wraps_p): Call
4792 n_of_executions_at_most instead of proved_non_wrapping_p.
4793 (substitute_in_loop_info): Do not replace values in bounds.
4794 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4797 2006-05-01 Richard Henderson <rth@redhat.com>
4800 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4801 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4804 2006-05-01 Roger Sayle <roger@eyesopen.com>
4806 * c-typeck.c (parser_build_binary_op): Don't call the function
4807 unsigned_conversion_warning to spot operand/result type overflow.
4808 (build_binary_op): Instead, call convert_and_check instead of
4809 convert to report the problem when the operands are promoted.
4810 * c-common.c (unsigned_conversion_warning): Make static.
4811 * c-common.h (unsigned_conversion_warning): Delete prototype.
4813 2006-05-01 Richard Guenther <rguenther@suse.de>
4815 PR tree-optimization/26726
4816 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4818 (find_interesting_uses_address): ... we work around here
4819 by folding INDIRECT_REFs in the substituted base.
4821 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4823 * omp-low.c (dump_omp_region): Add newlines.
4825 2006-04-30 Roger Sayle <roger@eyesopen.com>
4827 * common.opt (Woverflow): New command line option.
4828 * c-common.c (constant_expression_warning): Check warn_overflow.
4829 (overflow_waring): Pass OPT_Woverflow to warning.
4830 (unsigned_conversion_warning): Likewise.
4831 (convert_and_check): Likewise.
4832 * doc/invoke.texi: Document new command line option.
4834 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4836 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4837 TARGET_NO_FP_IN_TOC for section anchors.
4838 (optimization_options): Enable section anchors for all
4839 non-"Objective" languages.
4841 2006-04-28 Eric Christopher <echristo@apple.com>
4843 * config/darwin-c.c (darwin_ms_struct): Move this
4844 (darwin_set_default_type_attributes): and this...
4845 * config/darwin.c: ... here.
4846 * config/darwin.h (darwin_ms_struct): Declare.
4848 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4850 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4852 2006-04-28 Roger Sayle <roger@eyesopen.com>
4855 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4856 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4857 an unsigned HOST_WIDE_INT.
4858 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4860 (really_start_incremental_init): No need to call convert because
4861 bitsize_zero_node is already of type bitsizetype.
4862 (push_init_level): Extract the value of constructor_index as an
4863 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4864 (process_init_element): Likewise.
4866 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4868 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4869 value before passing to make_relative_prefix.
4871 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4874 * builtins.c (expand_builtin_memset): Expand val in original mode.
4876 2006-04-27 Eric Christopher <echristo@apple.com>
4878 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4879 with #ifndef/#endif.
4880 * config/darwin-c.c (darwin_ms_struct): New.
4881 (darwin_pragma_ms_struct): Ditto.
4882 (darwin_set_default_type_attributes): Ditto.
4883 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4884 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4885 Register ms_struct pragma.
4886 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4887 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4888 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4889 darwin_set_default_type_attributes if TARGET_MACHO.
4891 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4893 PR tree-optimization/26854
4894 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4895 * doc/tree-ssa.texi: Update immuse iterator documentation.
4896 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4897 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4898 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4899 first_safe_imm_use, next_safe_imm_use): Remove.
4900 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4901 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4902 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4903 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4904 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4905 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4906 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4907 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4908 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4909 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4910 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4911 (perfect_nestify): Use new iterator.
4912 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4914 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4915 (next_imm_name): New field in struct immediate_use_iterator_d.
4916 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4917 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4918 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4919 * tree-cfg.c (replace_uses_by): Use new iterator.
4920 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4921 * tree-ssa-operands.c (correct_use_link): Remove.
4922 (finalize_ssa_use_ops): No longer call correct_use_link.
4924 2006-04-27 Stuart Hastings <stuart@apple.com>
4926 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4927 * config/t-darwin (crt3.o): Use it.
4928 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4929 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4930 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4931 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4932 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4935 2006-04-27 Roger Sayle <roger@eyesopen.com>
4937 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4938 size, force the intermediate into a new pseudo rather instead of
4939 performing both a bitwise AND and a bitwise IOR in memory.
4941 2006-04-27 Richard Guenther <rguenther@suse.de>
4943 PR rtl-optimization/26685
4944 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4945 this one "max-flow-memory-locations".
4947 2006-04-27 Richard Guenther <rguenther@suse.de>
4949 PR tree-optimization/25148
4950 * tree-vrp.c (compare_values): Remove code dealing with
4951 comparisons against type min/max value. Honour overflow
4952 and negative constants in code dealing with comparisons
4953 of plus and minus expressions.
4954 (value_inside_range): Use fold_binary with LE_EXPR and
4955 GE_EXPR rather than compare_values.
4957 2006-04-27 Dirk Mueller <dmueller@suse.de>
4959 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4962 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4964 * basic-block.h (safe_insert_insn_on_edge): Removed.
4965 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4967 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4968 Paolo Bonzini <bonzini@gnu.org>
4971 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4972 (simplify_and_const_int): Same.
4974 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4976 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4978 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4981 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4982 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4983 cgraph_global_info_ready.
4986 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4989 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4990 either decl or init is error_mark_node.
4993 * tree-flow.h (struct omp_region): Add sched_kind.
4994 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4995 instead of extracting omp for data.
4996 (expand_omp_for): Save extracted sched_kind.
4998 2006-04-25 Roger Sayle <roger@eyesopen.com>
5000 * expmed.c (store_bit_field): Also check whether the bitsize is
5001 valid for the machine's "insv" instruction before moving the
5002 target into a pseudo for use with the insv.
5003 * config/i386/predicates.md (const8_operand): New predicate.
5004 * config/i386/i386.md (extv, extzv, insv): Use the new
5005 const8_operand predicate where appropriate.
5007 2006-04-25 DJ Delorie <dj@redhat.com>
5009 * doc/install.texi (Specific): Clarify that this is not a list of
5010 supported hosts or targets.
5012 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5014 PR rtl-optimization/26725
5015 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5016 block's BB_DIRTY flag.
5018 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5020 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5023 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5024 to print an integer.
5026 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5028 * varasm.c (align_variable): New function.
5029 (get_block_for_decl): Apply align_variable to DECL before
5030 calculating section information.
5031 (assemble_variable): Split out alignment computation.
5033 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5035 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5038 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5040 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5041 MODE_PARTIAL_INT mode.
5042 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5043 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5045 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5046 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5048 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5050 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5052 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5053 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5054 MACFLAG_IH): Likewise.
5055 (movstricthi_1): Renamed from "*movstricthi".
5056 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5057 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5058 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5059 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5060 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5061 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5062 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5063 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5064 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5065 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5066 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5067 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5068 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5069 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5070 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5072 * doc/rtl.texi (ss_ashift): Improve wording.
5074 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5076 * dwarf2out.c (verify_marks_clear): New.
5077 (prune_unused_types): Call verify_marks_clear initially, not
5080 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5082 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5083 * doc/rtl.texi: Document them.
5084 * simplify-rtx.c (simplify_unary_operation,
5085 simplify_binary_operation_1): Don't abort when we see them.
5087 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5090 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5091 * configure.ac: Completely disregard languages that are not
5093 * configure: Regenerated.
5095 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5096 Richard Guenther <rguenther@suse.de>
5098 PR tree-optimization/27236
5099 * tree-inline.c (copy_body_r): Make sure to copy
5100 TREE_THIS_VOLATILE flag.
5102 2006-04-24 Richard Guenther <rguenther@suse.de>
5105 * tree-complex.c (update_parameter_components): Don't handle
5106 unused parameters which have no default def.
5108 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5109 Richard Guenther <rguenther@suse.de>
5111 PR tree-optimization/27218
5112 * tree-inline.c (expand_call_inline): Strip useless type
5113 conversions for the return slot address.
5115 2006-04-24 Richard Guenther <rguenther@suse.de>
5117 * cfgloop.h (struct loops): Remove unused field array. Reorder
5119 (LOOP_PREFETCH): Remove.
5121 2006-04-24 Richard Guenther <rguenther@suse.de>
5123 PR tree-optimization/22525
5124 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5125 variable, adjust types of generated expressions.
5127 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5129 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5130 (tree-vect-patterns.o): Likewise.
5132 (cselib.o): Likewise.
5133 (loop-doloop.o): Likewise.
5134 (regclass.o): Likewise.
5135 (reload1.o): Likewise.
5136 (explow.o): Replace target.h with $(TARGET_H).
5137 (ipa-prop.o): Likewise.
5138 (ipa-cp.o): Likewise.
5139 (ipa-inline.o): Likewise.
5140 (reorg.o): Likewise.
5141 (reg-stack.o): Likewise.
5143 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5145 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5147 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5149 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5151 * configure.ac: Completely disregard languages that are not
5153 * configure: Regenerated.
5156 * c-common.h (c_build_bitfield_integer_type): Declare.
5157 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5158 * c-common.c (c_build_bitfield_integer_type): ... here.
5160 2006-04-23 Roger Sayle <roger@eyesopen.com>
5163 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5164 a SImode SUBREG of a floating point register after no_new_pseudos.
5166 2006-04-23 Roger Sayle <roger@eyesopen.com>
5168 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5169 identify potentially eliminable registers to additionally catch
5170 VIRTUAL_INCOMING_ARGS_REGNUM.
5171 (addsi3): Update the conditions on when to use addsi_small_int.
5173 2006-04-23 Roger Sayle <roger@eyesopen.com>
5176 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5177 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5178 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5180 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5182 * fold-const.c (range_predecessor): Use operand_equal_p
5183 as the predicate for equality.
5184 (range_successor): Likewise.
5186 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5189 * config/soft-fp/op-common.h: Fix a typo.
5191 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5194 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5195 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5197 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5199 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5201 * doc/tm.texi: Fix a typo.
5203 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5205 * dwarf2out.c (struct die_struct): Document that die_sib makes
5206 a circular linked list.
5207 (FOR_EACH_CHILD): New.
5208 (reverse_die_lists): Delete.
5209 (reverse_all_dies): Delete.
5210 (add_dwarf_attr): Correct documentation.
5211 (remove_child_with_prev): New.
5212 (remove_child_TAG): Update for change to die_struct, use
5213 remove_child_with_prev.
5214 (add_child_die): Update for change to die_struct.
5215 (splice_child_die): Use remove_child_with_prev and add_child_die.
5216 (print_die): Use FOR_EACH_CHILD.
5217 (die_checksum): Likewise.
5218 (assign_symbol_names): Likewise.
5219 (output_location_lists): Likewise.
5220 (build_abbrev_table): Likewise.
5221 (calc_die_sizes): Likewise.
5222 (mark_dies): Likewise.
5223 (unmark_dies): Likewise.
5224 (unmark_all_dies): Likewise.
5225 (output_die): Likewise.
5226 (prune_unused_types_mark): Likewise.
5227 (prune_unused_types_walk): Likewise.
5228 (same_die_p): Update for change to die_struct.
5229 (break_out_includes): Likewise.
5230 (prune_unused_types_prune): Likewise.
5231 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5232 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5234 (dwarf2out_finish): Don't call reverse_all_dies.
5236 2006-04-21 Eric Christopher <echristo@apple.com>
5238 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5239 in comments and function names.
5241 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5244 * c-typeck.c (digest_init): Robustify.
5246 * c-typeck.c (pop_init_level): Simplify.
5248 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5250 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5252 2006-04-21 Paul Brook <paul@codesourcery.com>
5254 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5255 hardware floating point.
5257 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5259 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5262 2006-04-21 Nick Clifton <nickc@redhat.com>
5264 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5267 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5270 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5271 C++ lang type in traceback table for Objective-C++.
5273 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5275 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5277 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5279 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5282 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5283 were errors. Remove check for erroneous objects.
5285 2006-04-20 Jeff Law <law@redhat.com>
5287 PR tree-optimization/26854
5288 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5289 checking for zero or one use.
5290 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5291 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5292 * tree-ssa-reassoc.c (negate_value): Similarly.
5293 (reassociate_bb): Similarly.
5295 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5297 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5298 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5299 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5301 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5303 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5304 fp regs if the last fp arg doesn't fit in regs.
5306 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5309 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5310 that the last insn has the REG_INC note.
5312 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5313 Nathan Sidwell <nathan@codesourcery.com>
5316 * stor-layout.c (update_alignment_for_field): Do not align
5318 (place_union_field): Place union field at the start of the union.
5319 (place_field): Move ERROR_MARK check later, and use the current
5320 allocation position to maintain monotonicity.
5322 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5324 * dominance.c: Include timevar.h.
5325 (calculate_dominance_info): Use TV_DOMINANCE.
5326 * timevar.def (TV_DOMINANCE): New timevar.
5327 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5329 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5331 PR rtl-optimization/14261
5332 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5333 move would be an INSV insn.
5334 (noce_process_if_block): Don't optimize if the destination is a
5335 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5337 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5339 * config/s390/s390.md: Add comments with the instructions emitted
5340 by an insn pattern if macros are used.
5342 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5344 PR rtl-optimization/26026
5345 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5346 is a known power of two shifted left a variable amount.
5348 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5350 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5351 to hash table twice when the debug_str section has SECTION_MERGE.
5353 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5355 * config/soft-fp: New directory. From glibc.
5356 * config/soft-fp/t-softfp: New.
5357 * config/soft-fp/README: New.
5358 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5359 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5360 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5361 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5362 * config.gcc: Use rs6000/t-fprules-fpbit or
5363 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5365 * config/rs6000/sfp-machine.h: New. Based on glibc.
5366 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5368 * config/rs6000/t-fprules: Remove fp-bit rules.
5369 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5370 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5371 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5372 (softfp_wrap_start, softfp_wrap_end): New.
5374 2006-04-18 DJ Delorie <dj@redhat.com>
5376 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5378 2006-04-18 Devang Patel <dpatel@apple.com>
5380 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5382 2006-04-18 Nick Clifton <nickc@redhat.com>
5384 * config/sh/t-symbian: Add rule to build sh-c.o
5385 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5386 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5387 (sh_symbian_encode_section_info): Likewise.
5389 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5391 * builtins.c (expand_builtin_strcmp): Cover label definition of
5392 do_libcall with HAVE_cmpstrnsi.
5394 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5396 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5398 * function.h (temp_slot_p): New.
5399 (function): Change the type of x_used_temp_slots to
5400 VEC(temp_slot_p,gc) *.
5402 2006-04-18 Nick Clifton <nickc@redhat.com>
5404 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5405 flag_strength_reduce.
5407 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5409 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5413 Partial revert of revision 112637
5414 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5415 Dale Johannesen <dalej@apple.com>
5418 * regclass.c (struct reg_pref): Update documentation.
5419 (regclass): Set prefclass to NO_REGS if memory is the best option.
5420 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5422 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5424 PR tree-optimization/26821
5425 * tree-ssa-math-opts.c (get_constant_one): New.
5426 (insert_reciprocals): Use it.
5428 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5430 * dwarf2out.c (free_AT): Delete.
5431 (remove_AT): Update string ref counts.
5432 (remove_child_TAG): Don't call free_die.
5434 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5435 or DW_TAG_GNU_EINCL.
5436 (prune_unused_types_walk_attribs): Reset string refcounts.
5437 (prune_unused_types_update_strings): New.
5438 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5439 call free_die. Do call prune_unused_types_update_strings.
5440 (prune_unused_types): Empty debug_str_hash.
5442 2006-04-17 Roger Sayle <roger@eyesopen.com>
5444 * expr.c (expand_assignment): Optimize away no-op moves where the
5445 source and destination are equal and have no side-effects.
5447 2006-04-17 Richard Guenther <rguenther@suse.de>
5450 * reload.c (push_reload): Guard calls to get_secondary_mem
5453 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5455 * alias.c (reg_base_value, old_reg_base_value): Change the
5456 type to VEC(rtx,gc) *.
5457 (REG_BASE_VALUE, find_base_value, record_set,
5458 init_alias_analysis): Use VEC instead of VARRAY.
5460 * alias.c (alias_sets): Change the type to
5461 VEC(alias_set_entry,gc) *.
5462 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5463 VEC instead of VARRAY.
5464 (last_alias_set): Remove.
5466 * cgraph.h (cgraph_edge_p): New.
5467 Update the prototype of cgraph_function_versioning.
5468 * cgraphunit.c (cgraph_copy_node_for_versioning,
5469 cgraph_function_versioning): Use VEC instead of VARRAY.
5470 * ipa-cp.c (ipcp_insert_stage): Likewise.
5472 2006-04-16 Roger Sayle <roger@eyesopen.com>
5475 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5476 "A op B" or "A op C", we may need to convert A to the type of B and C.
5478 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5480 * target.h (struct gcc_target): Add mode_rep_extended.
5481 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5482 (init_num_sign_bit_copies_in_rep): Initialize it using
5484 (truncate_to_mode): Use it.
5485 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5486 * targhooks.h (default_mode_rep_extended): Declare it.
5487 * targhooks.c (default_mode_rep_extended): Define it.
5488 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5489 default_mode_rep_extended.
5490 (TARGET_INITIALIZER): Include it.
5491 * doc/tm.texi (Misc): Document it.
5492 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5493 (mips_truncated_to_mode): New function.
5495 2006-04-16 Roger Sayle <roger@eyesopen.com>
5498 * expr.c (compress_float_constant): Copy the narrow constant into
5499 a new pseudo before extending it to its final width.
5501 2006-04-16 Roger Sayle <roger@eyesopen.com>
5502 Andrew Pinski <pinskia@gcc.gnu.org>
5503 Dale Johannesen <dalej@apple.com>
5506 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5507 special case code to implement V8HImode and V16QImode with SSE2.
5509 2006-04-15 Roger Sayle <roger@eyesopen.com>
5511 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5512 trees are constructed with a suitable tree type.
5514 2006-04-15 Roger Sayle <roger@eyesopen.com>
5516 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5517 (integer_onep): Likewise.
5518 (integer_all_onesp): Likewise.
5519 (integer_pow2p): Likewise.
5520 (integer_nonzerop): Likewise.
5521 (real_zerop): Likewise.
5522 (real_onep): Likewise.
5523 (real_twop): Likewise.
5524 (real_minus_onep): Likewise.
5525 (int_size_in_bytes): Likewise.
5526 (host_integerp): Likewise.
5528 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5530 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5531 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5532 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5534 * tree-ssa-structalias.h (alias_info): Remove num_references.
5536 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5538 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5539 (output_bvb patterns): Likewise.
5540 * pa.c (output_bb): Use 'bb' insn for long branch case.
5541 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5542 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5543 1. Correct length operand for alternatives 1 and 2.
5544 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5545 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5547 2006-04-14 Roger Sayle <roger@eyesopen.com>
5549 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5550 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5551 were accidentally reverted by r112959.
5553 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5556 * except.h (eh_region_outermost): New prototype.
5557 * except.c (eh_region_outermost): New function.
5558 * tree-cfg.c (find_outermost_region_in_block): Use it.
5560 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5562 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5564 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5565 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5566 (init_reload, reload): Use VEC instead of VARRAY.
5567 * reload.h: Update the prototype for
5568 reg_equiv_memory_loc_varray.
5570 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5571 Eric Botcazou <ebotcazou@libertysurf.fr>
5573 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5576 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5579 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5580 to expand fallback builtin function call.
5582 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5585 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5586 and emit libcall here in case the builtin fails.
5587 (expand_builtin_strcmp): Always emit the libcall here on failure.
5589 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5591 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5592 * flow.c (reg_n_info): Change the type to
5593 VEC(reg_info_p,heap) *.
5594 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5596 * regs.h (reg_info_p): New.
5597 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5598 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5599 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5602 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5604 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5606 * params.h (MAX_SCHED_READY_INSNS): New macro.
5607 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5608 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5609 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5610 the ready list for 1 cycle during the first scheduling pass.
5611 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5613 2006-04-13 Richard Henderson <rth@redhat.com>
5616 * gimple-low.c (lower_omp_directive): Remove dead code.
5617 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5618 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5619 * omp-low.c (struct omp_region): Move to tree-flow.h.
5620 (root_omp_region): Export.
5621 (omp_regions, lookup_omp_region): Remove.
5622 (determine_parallel_type): Update for struct omp_region changes.
5623 (dump_omp_region): Dump regions with block numbers.
5624 (new_omp_region): Take type and block instead of stmt; malloc
5626 (free_omp_region_1, free_omp_regions): New.
5627 (expand_parallel_call): Take entry_stmt as argument; update for
5628 changes to omp_region.
5629 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5630 (remove_exit_barriers): New.
5631 (expand_omp_parallel): Update for struct omp_region changes.
5632 (expand_omp_synch): Likewise.
5633 (expand_omp): Likewise.
5634 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5635 (expand_omp_for_static_chunk): Likewise.
5636 (expand_omp_for): Likewise.
5637 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5638 (expand_omp_sections): Similarly, with GOMP_sections_end.
5639 (expand_omp_single): New.
5640 (build_omp_regions_1): Update for OMP_CONTINUE.
5641 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5642 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5643 OMP_SECTIONS_SECTIONS.
5644 (lower_omp_single_simple): Don't emit barrier here.
5645 (lower_omp_single_copy): Likewise.
5646 (lower_omp_single): Fix bindings, and lower to straightline now.
5647 (lower_omp_master, lower_omp_ordered): Likewise.
5648 (lower_omp_critical): Likewise.
5649 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5650 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5651 omp edges, free it afterward.
5652 (make_omp_sections_edges): Remove.
5653 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5654 (move_stmt_r): Handle OMP_CONTINUE.
5655 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5656 statement pointers to basic blocks. Add type member.
5657 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5658 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5659 * tree-inline.c (estimate_num_insns_1): Likewise.
5660 * tree-pretty-print.c (dump_generic_node): Likewise.
5661 * tree-ssa-operands.c (get_expr_operands): Likewise.
5662 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5663 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5664 (OMP_CONTINUE): New.
5665 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5666 (OMP_SECTIONS_SECTIONS): Remove.
5667 (OMP_SECTION_LAST): New.
5668 (OMP_RETURN_NOWAIT): New.
5670 2006-04-13 Roger Sayle <roger@eyesopen.com>
5672 * fold-const.c (native_encode_vector, native_interpret_real):
5673 Correct obvious mistakes in the previous check-in.
5675 2006-04-13 Roger Sayle <roger@eyesopen.com>
5677 * fold-const.c (native_encode_expr): New function to encode
5678 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5679 or VECTOR_CST into a specified buffer.
5680 (native_encode_int): New function.
5681 (native_encode_real): New function.
5682 (native_encode_complex): New function.
5683 (native_encode_vector): New function.
5684 (native_interpret_expr): Inverse of native_encode_expr to convert
5685 a target representation into an INTEGER_CST, REAL_CST etc...
5686 (native_interpret_int): New function.
5687 (native_interpret_real): New function.
5688 (native_interpret_complex): New function.
5689 (native_interpret_vector): New function.
5690 (fold_view_convert_expr): New function to constant fold/evaluate
5691 a VIEW_CONVERT_EXPR of a suitable constant expression.
5692 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5693 Change call of build1 to fold_build1 when constructing a
5696 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5697 Ulrich Weigand <uweigand@de.ibm.com>
5700 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5703 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5706 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5707 optimize to lo_sum for DFmode if !TARGET_FPRS.
5709 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5711 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5712 delete_alias_info, compute_flow_sensitive_aliasing,
5713 group_aliases): Use VEC instead of VARRAY.
5714 * tree-ssa-structalias.c (update_alias_info): Likewise.
5715 * tree-ssa-structalias.h (alias_info): Change the type of
5716 processed_ptrs to VEC(tree,heap) *.
5718 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5721 * config/sh/lib1funcs.h: New file, broken out of:
5722 * config/sh/lib1funcs.asm.
5723 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5725 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5726 * config/sh/lib1funcs-Os-4-200.asm: New file.
5727 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5728 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5729 (EXTRA_MULTILIB_PARTS): Include it.
5730 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5731 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5732 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5733 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5736 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5738 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5739 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5740 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5742 * tree-ssa-live.h: Include vecprim.h.
5743 (tree_partition_associator_d): Change the type of
5744 first_partition to VEC(int,heap) *.
5745 (tpa_first_partition): Use VEC instead of VARRAY.
5747 * Makefile.in (GTFILES): Move functions.h after tree.h.
5748 * function.c (reset_block_changes, record_block_change,
5749 check_block_change, free_block_changes): Use VEC instead of
5751 * function.h (function): Change the type of
5752 ib_boundaries_block to VEC(tree,gc) *.
5753 * tree-inline.c (copy_cfg_body): Initialize
5754 ib_boundaries_block to NULL instead of (varray_type) 0.
5756 2006-04-12 Roger Sayle <roger@eyesopen.com>
5758 * expr.c (emit_group_store): Correct operand order in call to
5759 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5760 a SUBREG_BYTE of zero.
5762 2006-04-12 Richard Guenther <rguenther@suse.de>
5764 * profile.c (compute_branch_probabilities): Remove code
5765 encapsulated in !ir_type (), which are remanents of the
5766 removed RTL profiling code.
5767 * rtl-profile.c: Remove.
5769 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5771 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5772 magic NULL_RTX comment.
5773 (function_arg): Store entire fp arg to mem if any part should go
5775 (rs6000_arg_partial_bytes): Adjust for above change.
5777 2006-04-11 Roger Sayle <roger@eyesopen.com>
5779 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5780 if it hasn't been initialized by dwarf2out_init.
5782 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5784 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5785 symbolic constants in branch patterns.
5787 2006-04-11 Roger Sayle <roger@eyesopen.com>
5789 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5791 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5793 PR rtl-optimization/27073
5794 * gcse.c (try_replace_reg): Revert last change. Continue to search
5795 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5798 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5800 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5801 aggregate types other than record and union types.
5802 (function_arg): Likewise.
5803 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5805 (function_value): In 64-bit mode, return objects that require it
5808 2006-04-11 Roger Sayle <roger@eyesopen.com>
5810 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5812 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5814 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5816 2006-04-03 Jeff Law <law@redhat.com>
5819 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5820 alias information too.
5822 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5824 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5826 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5829 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5830 (premark_used_types_helper): New.
5831 (premark_used_types): New.
5832 (gen_subprogram_die): Call premark_used_types.
5833 (prune_unused_types_walk): Do not prune perennial dies.
5834 * function.c (used_types_insert): New.
5835 * function.h (struct function): Add used_types_hash field.
5836 (used_types_insert): Add prototype.
5837 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5838 * c-parser.c (c_parser_cast_expression): Save casted types in used
5841 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5844 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5845 rs6000_explicit_options.float_gprs.
5847 2006-04-10 Roger Sayle <roger@eyesopen.com>
5849 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5850 from ix86_expand_vector_init_low_nonzero. Take an additional
5851 one_var argument indicating which element is non-zero. Support
5852 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5853 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5854 with one_var instead of ix86_expand_vector_init_low_nonzero.
5856 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5858 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5859 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5860 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5861 build/genextract.o): Depend on vecprim.h.
5862 * cfglayout.c, df-problems.c, function.c, genextract.c,
5863 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5864 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5868 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5870 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5871 Declare VECs of this type.
5872 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5873 (remove_children): Delete.
5874 (add_dwarf_attr): Use VEC routines.
5875 (add_AT_flag): Update for changes to add_dwarf_attr.
5876 (add_AT_int): Likewise.
5877 (add_AT_unsigned): Likewise.
5878 (add_AT_long_long): Likewise.
5879 (add_AT_vec): Likewise.
5880 (add_AT_string): Likewise.
5881 (add_AT_die_ref): Likewise.
5882 (add_AT_fde_ref): Likewise.
5883 (add_AT_loc): Likewise.
5884 (add_AT_loc_list): Likewise.
5885 (add_AT_addr): Likewise.
5886 (add_AT_lbl_id): Likewise.
5887 (add_AT_lineptr): Likewise.
5888 (add_AT_macptr): Likewise.
5889 (add_AT_offset): Likewise.
5890 (add_AT_range_list): Likewise.
5891 (get_AT): Use VEC_iterate.
5892 (remove_AT): Use VEC_ordered_remove.
5893 (free_die): Fold remove_children into here; have it use VEC_iterate.
5894 (print_die): Use VEC_iterate on attrs.
5895 (reverse_die_lists): Don't reverse attr lists.
5896 (die_checksum): Use VEC_iterate on attrs.
5897 (same_die_p): Likewise.
5898 (output_location_lists): Likewise.
5899 (build_abbrev_table): Likewise.
5900 (size_of_die): Likewise.
5901 (unmark_all_dies): Likewise.
5902 (output_abbrev_section): Likewise.
5903 (output_die): Likewise.
5904 (prune_unused_types_walk_attribs): Likewise.
5906 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5908 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5910 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5913 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5915 2006-04-09 Roger Sayle <roger@eyesopen.com>
5917 * expr.c (store_constructor): Don't bother clearing target if
5918 we're about to assign a vector to it using vec_init_optab.
5920 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5922 * tree-ssa-alias.c (lhs_may_store_to): New function.
5923 (recalculate_used_alone): Handle LHS of calls.
5925 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5929 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5930 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5931 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5932 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5933 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5934 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5935 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5936 stubs. Add ".align 8" directives before all ".dword" directives.
5937 (GTHREAD_USE_WEAK): Revise comment.
5938 (TARGET_ATTRIBUTE_WEAK): Define.
5939 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5940 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5941 * stublib.c: New file.
5946 * pa.md (cbranch patterns): Revise arguments used in calls to
5947 output_cbranch, output_bb and output_bvd. Add long branch length
5949 (fbranch patterns): Handle long branches.
5950 (jump): Revise length check. Revise arguments for output_lbranch call.
5951 Add long branch length attributes.
5952 (decrement_and_branch_until_zero): Add long branch length attributes.
5953 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5954 Likewise. Revise arguments for output_parallel_addb and
5955 output_parallel_movb calls.
5956 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5957 output_parallel_movb and output_parallel_addb): Update prototypes.
5958 * pa.c (output_cbranch): Revise arguments. Correct handling of
5959 nullification in long branches.
5960 (output_lbranch): Add new argument to control extraction of delay
5962 (output_bb): Handle long branches.
5963 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5964 output_parallel_addb): Likewise.
5966 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5968 PR rtl-optimization/27073
5969 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5972 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5974 * tree.h (tree_memory_tag): Add old_used_alone.
5975 (SMT_OLD_USED_ALONE): New macro.
5976 * tree-ssa-alias.c (recalculate_used_alone): Stop
5977 marking things for renaming unnecessarily.
5979 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5981 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5982 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5983 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5984 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5985 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5986 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5987 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5988 spelling convensions.
5989 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5990 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5991 typos. Follow spelling conventions.
5993 2006-04-07 DJ Delorie <dj@redhat.com>
5995 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5996 passed on the stack.
5997 (m32c_init_cumulative_args): When a function returns a structure,
5998 always pass the pointer to that return area on the stack.
5999 (m32c_function_arg_advance): Don't increment the parameter number
6000 if we're processing the returned structure pointer.
6001 (pushm_info): Reverse order of registers.
6003 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6005 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6006 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6007 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6008 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6010 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6011 chrec_fold_multiply): Same.
6012 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6013 force_expr_to_var_cost): Same.
6014 * tree-mudflap.c (mf_xform_derefs_1): Same.
6015 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6017 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6019 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6020 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6023 2006-04-07 Jan Hubicka <jh@suse.cz>
6025 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6027 2006-04-07 Richard Guenther <rguenther@suse.de>
6029 PR tree-optimization/26135
6030 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6031 loads for store copy-prop.
6032 (copy_prop_visit_stmt): Likewise.
6034 2006-04-05 Robert Millan <robertmh@gnu.org>
6036 * config/i386/linux.h: Add a comment to mark macros that are
6037 being overriden in config/k*bsd-gnu.h.
6038 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6040 * config/knetbsd-gnu.h: Ditto.
6042 2006-04-06 Jan Hubicka <jh@suse.cz>
6046 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6049 2006-04-06 Mike Stump <mrs@apple.com>
6051 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6052 for HAVE_nonlocal_goto to be consistent.
6053 (expand_builtin_nonlocal_goto): Likewise.
6054 (expand_builtin_strcmp): Use #ifdef instead of #if
6055 for HAVE_cmpstrnsi to be consistent.
6057 2006-04-05 DJ Delorie <dj@redhat.com>
6059 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6062 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6064 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6065 got-relative addressing for anything but SImode.
6067 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6068 even if the calling function doesn't modify them.
6070 2006-04-05 Richard Guenther <rguenther@suse.de>
6072 PR tree-optimization/26919
6073 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6074 to cgraph_estimate_size_after_inlining.
6076 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6078 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6080 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6082 PR tree-optimization/26996
6083 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6084 VECTOR_TYPE variables.
6086 2006-04-05 Richard Guenther <rguenther@suse.de>
6088 PR tree-optimization/26763
6089 * fold-const.c (fold_comparison): Move folding of
6090 PTR + CST CMP PTR + CST ...
6091 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6093 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6095 * doc/install.texi (Prerequisites): Refine some wording on
6096 bootstrapping and ksh.
6097 Move the version numbers of DejaGnu here from the testing section
6098 and fix casing of names.
6099 Fix markup and clarify wording for autogen requirements.
6100 Refer to GCJ instead of just java.
6101 Refer to SVN instead of CVS.
6102 Describe diffutils as useful instead of necessary.
6103 (Downloading the source): Refer to SVN instead of CVS.
6104 Adjust a link to our web site accordingly.
6105 (Configuration): Fix casing of Bison.
6106 (Building): Refer to SVN instead of CVS.
6107 Fix a sentence on the use of Bison and remove duplicate (and
6108 incorrect) version number of Bison requirement.
6109 Remove one redundant list of packages needed for building.
6110 (Specific): Avoid reference to CVS.
6112 2006-04-04 Eric Christopher <echristo@apple.com>
6114 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6115 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6116 (rs6000_handle_struct_attribute): New.
6117 (rs6000_ms_bitfield_layout_p): Ditto.
6119 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6121 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6122 NULL for dso parameter to atexit_common.
6124 2006-04-04 Eric Christopher <echristo@apple.com>
6126 * config/i386/i386.c (machopic_output_stub): Output \t
6127 between instructions and operands.
6129 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6131 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6132 satisfies_constraint_[IL] to explicit tests on value.
6134 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6136 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6137 set_nb_iterations_in_loop): Use build_int_cst instead of
6139 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6140 build_int_cst instead of convert.
6142 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6144 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6145 new value 2 for incoming.
6146 * function.c (expand_function_start): Call struct_value_rtx
6148 * config/sparc/sparc.md: Comment updated_return.
6149 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6150 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6151 struct return if sparc_std_struct_return and incoming is 2.
6152 (print_operand): Do not adjust return if
6153 sparc_std_struct_return.
6155 2006-04-04 Roger Sayle <roger@eyesopen.com>
6157 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6158 convert in the middle-end.
6159 * expr.c (store_expr, store_constructor, get_inner_reference,
6160 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6162 * tree.c (build_range_type): Likewise.
6164 2006-04-04 Tom Tromey <tromey@redhat.com>
6166 * doc/install.texi (Prerequisites): Mention jar.
6168 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6170 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6173 2006-04-04 Matthias Klose <doko@debian.org>
6175 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6176 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6179 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6181 * doc/extend.texi (Function Attributes): Rewrite visibility
6182 attribute documentation.
6183 * doc/invoke.texi (C++ Dialect Options): Rewrite
6184 -fvisibility-inlines-hidden documentation to describe something
6185 entirely different, although in practise compatible.
6186 (Code Gen Options): Warn about system headers in -fvisibility=
6189 * doc/extend.texi (Other Builtins): Document that
6190 __builtin_nan is a compile-time constant only when its argument
6193 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6195 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6196 trying to remove TRUNCATE check if all bits outside the new mode
6197 are identical to the sign bit.
6199 2006-04-03 Jeff Law <law@redhat.com>
6201 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6202 and operand scanning in some common cases.
6204 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6205 Dale Johannesen <dalej@apple.com>
6208 * regclass.c (struct reg_pref): Update documentation.
6209 (regclass): Set prefclass to NO_REGS if memory is the best option.
6210 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6211 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6212 into account. For non-registers, equate an empty preferred
6213 reload class to a `!' in the constraint; move the if clause to
6214 do so after those that reject the insn.
6215 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6217 (find_dummy_reload): Likewise.
6218 * doc/tm.texi (Register Classes): Document what it means
6219 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6220 * config/i386/i386.c (ix86_preferred_reload_class): Force
6221 using SSE registers (and return NO_REGS for floating-point
6222 constants) if math is done with SSE.
6223 (ix86_preferred_output_reload_class): New.
6224 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6225 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6226 * config/i386/i386.md: Remove # register preferences.
6228 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6231 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6232 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6233 the type of nb_iter.
6234 (instantiate_parameters_1): Convert the operands before calling
6235 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6236 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6238 2006-04-02 Roger Sayle <roger@eyesopen.com>
6240 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6241 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6243 * dojump.c (do_jump): Likewise.
6244 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6245 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6246 gimplify_boolean_expr): Likewise.
6247 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6248 * varasm.c (array_size_for_constructor): Likewise.
6249 * tree-object-size.c (compute_object_offset): Likewise.
6251 2006-04-02 Roger Sayle <roger@eyesopen.com>
6254 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6255 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6257 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6259 PR tree-optimization/26939
6260 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6262 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6264 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6265 at_stmt. Convert the type of operands before calling
6266 build_polynomial_chrec.
6267 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6269 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6270 (instantiate_parameters_1): Convert the type of operands before calling
6271 build_polynomial_chrec.
6272 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6273 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6274 reset_evolution_in_loop): Insert asserts to check the types of the
6276 (chrec_type): Moved...
6277 (eq_evolutions_p): Use operand_equal_p.
6278 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6279 the types of the operands.
6280 (chrec_type): ...here.
6281 * tree-data-ref.c (create_data_ref): Convert the operands before
6282 calling chrec_replace_initial_condition.
6283 (same_access_functions, analyze_subscript_affine_affine,
6284 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6285 (compute_subscript_distance, analyze_ziv_subscript,
6286 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6287 analyze_miv_subscript): Convert the operands before calling
6288 chrec_fold_minus or chrec_fold_plus.
6290 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6292 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6293 the dependence_relations vector.
6294 (compute_data_dependences_for_loop): Adjust call to
6295 compute_all_dependences.
6297 2006-04-01 Roger Sayle <roger@eyesopen.com>
6298 Richard Henderson <rth@redhat.com>
6300 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6301 gimple_boolify on the condition before calling gimplify_expr.
6303 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6305 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6306 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6307 the frame size. Update to use the new macros.
6308 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6309 * config/xtensa/ieee754-df.S: Likewise.
6311 2006-03-31 Richard Henderson <rth@redhat.com>
6313 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6314 (make_edges): ... here. Control fallthru creation with a local
6315 variable. Do not play with fake edges.
6316 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6317 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6320 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6322 * dwarf2.h (DW64_CIE_ID): Define.
6323 * dwarf2out.c (DWARF_CIE_ID): Define.
6324 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6325 length header. Use DWARF_CIE_ID.
6326 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6327 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6329 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6331 * config/sh/linux-atomic.asm: New file.
6332 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6334 2006-03-31 DJ Delorie <dj@redhat.com>
6336 * config/m32c/cond.md: Set condition flags properly throughout.
6337 * config/m32c/minmax.md: Likewise.
6338 * config/m32c/prologue.md: Likewise.
6339 * config/m32c/bitops.md: Likewise.
6340 * config/m32c/muldiv.md: Likewise.
6341 * config/m32c/mov.md: Likewise.
6342 * config/m32c/addsub.md: Likewise.
6343 * config/m32c/m32c.md: Likewise.
6344 * config/m32c/jump.md: Likewise.
6345 * config/m32c/shift.md: Likewise.
6347 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6348 conditionally output the pattern for this.
6349 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6350 (m32c_compare_redundant): New.
6351 (m32c_output_compare): New.
6352 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6354 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6355 dest, not src. Allow other 4-byte modes.
6357 2006-03-30 Denis Chertykov <denisc@overta.ru>
6359 * doc/md.texi: Refer to avr/constraints.md instead of
6362 2006-03-30 Roger Sayle <roger@eyesopen.com>
6364 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6365 signed vs. unsigned comparison failures on some hosts.
6367 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6370 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6371 change to FLOAT_REGS.
6373 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6374 (rs6000_override_options): Use it.
6375 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6376 only for -mabi=spe/no-spe and -mabi=altivec.
6378 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6380 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6383 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6385 * Makefile.in: Rename docdir to gcc_docdir.
6387 2006-03-30 Roger Sayle <roger@eyesopen.com>
6390 * expr.c (emit_group_store): Optimize group stores into a pseudo
6391 register by using a paradoxical subreg to initialize the destination
6392 if the first or last member of the group specifies a "low part".
6394 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6397 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6398 * target.h (struct gcc_target.speculate_insn): Change type of the
6399 second parameter to 'int'.
6400 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6401 the second operand of the DEPS_LIST.
6402 (copy_DEPS_LIST_list): Update reference to the second operand of the
6404 * rtl.h (alloc_DEPS_LIST): Update signature.
6405 * sched-int.h (ds_t): Change typedef to 'int'.
6406 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6408 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6410 * haifa-sched.c (try_ready): Change condition to restore
6411 non-speculative pattern of the instruction.
6412 (process_insn_depend_be_in_spec): Code to keep probability of the
6413 speculative dependence non-decreasing.
6415 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6417 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6418 (single_move_for_movmem): ... this. Also change all uses.
6419 (bfin_expand_strmov): Renamed to...
6420 (bfin_expand_movmem): ... this. Also change all uses.
6421 * config/bfin/bfin.md (movstrsi): Renamed to...
6422 (movstrsi): ...this.
6424 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6426 PR tree-optimization/26830
6428 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6429 (copy_prop_visit_stmt): Remove write-only variable ann.
6430 (init_copy_prop): Check variable loop depth here. Do not simulate
6431 memory-tag and virtual operand PHIs except for store copy prop.
6433 2006-03-30 Richard Guenther <rguenther@suse.de>
6435 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6436 variants with double arguments.
6438 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6440 * genpreds.c (write_tm_constrs_h): Delete variable p.
6441 * genconditions.c (write_header): Add tm-constrs.h to included
6443 * genpeep.c (main): Add toplev.h to included headers.
6444 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6445 (build/genpeep.o): Add toplev.h dependency.
6446 * config/rs6000/constraints.md: Add "W" constraint.
6448 2006-03-29 Roger Sayle <roger@eyesopen.com>
6450 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6451 sizes by correctly testing whether the size fits a host integer.
6452 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6453 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6454 SImode range for the default sizetype and bitsizetype.
6456 2006-03-29 Roger Sayle <roger@eyesopen.com>
6458 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6459 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6460 quickly if the argument is already of the correct type.
6461 Call fold_build1 instead of build1. Tidy up blank lines.
6463 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6465 * genemit.c (main): Add tm-constrs.h to included headers.
6466 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6467 * genpeep.c (main): Add tm-constrs.h to included headers.
6468 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6469 (write_tm_constrs_h): this and write complete file.
6470 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6471 (write_insn_preds_c): Add tm-constrs.h to included headers.
6472 (gen_constrs): New variable.
6473 (parse_option): Parse "-c".
6474 (main): Invoke write_tm_constrs_h.
6475 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6476 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6477 (object_out_file): Add tm-constrs.h dependency.
6478 (insn-emit.o): Same.
6479 (insn-output.o): Same.
6480 (insn-peep.o): Same.
6481 (insn-preds.o): Same.
6482 (insn-recog.o): Same.
6483 (tm-constsr.h): New target.
6484 (s-constrs-h): New target.
6486 * config/rs6000/constraints.md: New file.
6487 * config/rs6000/rs6000.c: Include tm-constrs.h.
6488 (num_insn_constant_wide): Convert to satisfies_constraint.
6489 (rs6000_rtx_costs): Convert to satisfies_constraint.
6490 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6491 (CONST_OK_FOR_LETTER_P): Delete.
6492 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6493 (EXTRA_CONSTRAINT): Delete.
6494 (EXTRA_MEMORY_CONSTRAINT): Delete.
6495 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6496 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6497 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6498 satisfies_constraint.
6500 * config/i386/i386.c: Include tm-constrs.h.
6502 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6504 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6505 * tree-data-ref.c (find_data_references_in_loop,
6506 compute_data_dependences_for_loop): Use pointers to VEC.
6507 (analyze_all_data_dependences): Adjust calls.
6508 * tree-data-ref.h (find_data_references_in_loop,
6509 compute_data_dependences_for_loop): Adjust declarations.
6510 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6511 compute_data_dependences_for_loop.
6513 2006-03-29 Paul Brook <paul@codesourcery.com>
6515 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6518 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6520 PR tree-optimization/26859
6521 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6523 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6524 for the step after fold_convert.
6526 2006-03-29 Paul Brook <paul@codesourcery.com>
6528 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6529 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6531 2006-03-29 Paul Brook <paul@codesourcery.com>
6534 * targhooks.c (default_narrow_bitfield): New fuction.
6535 * targhooks.h (default_narrow_bitfield): add prototype.
6536 * target.h (gcc_target): Add narrow_volatile_bitfield.
6537 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6538 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6539 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6540 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6542 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6544 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6546 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6547 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6548 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6549 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6550 (s390_function_arg_float): Allow SDmode and DDmode values to be
6551 passed in floating point registers.
6552 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6553 check with SCALAR_FLOAT_MODE_P.
6554 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6556 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6558 PR tree-optimization/25985
6559 * tree-ssa-loop-niter.c (number_of_iterations_le,
6560 number_of_iterations_ne): Make comments more precise.
6561 (number_of_iterations_cond): Add only_exit argument. Use the
6562 fact that signed variables do not overflow only when only_exit
6564 (loop_only_exit_p): New.
6565 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6566 number_of_iterations_cond.
6568 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6570 PR tree-optimization/26643
6571 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6574 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6576 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6577 (divsi3_i4_int): Likewise.
6579 2006-03-28 Roger Sayle <roger@eyesopen.com>
6581 * expr.c (emit_group_store): Only create a new pseudo reg if the
6582 quantity it needs to hold isn't already a suitable pseudo.
6584 2006-03-28 Jeff Law <law@redhat.com>
6586 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6587 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6589 2006-03-28 Roger Sayle <roger@eyesopen.com>
6591 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6592 the equivalent ~X & Y, and the symmetry related transformations.
6593 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6594 ~X & Y, and symmetry related transforms.
6596 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6598 Revert my 2006-03-27 patches.
6600 2006-03-28 Roger Sayle <roger@eyesopen.com>
6602 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6603 ~(T1)X, when T1 and T2 are integer types of the same precision
6604 and (T2)X isn't an extension.
6606 2006-03-28 Jeff Law <law@redhat.com>
6608 PR tree-optimization/26796
6609 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6610 need EH edge cleanups rather than purging them immediately.
6611 (eliminate_degenerate_phis): Handle queued EH cleanups.
6613 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6615 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6618 2006-03-27 Roger Sayle <roger@eyesopen.com>
6621 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6622 cast BIT_NOT_EXPR operand to the correct type.
6624 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6626 * tree-loop-linear.c: Don't include varray.h.
6627 (gather_interchange_stats, try_interchange_loops,
6628 linear_transform_loops): Use VEC instead of VARRAY.
6629 * lambda-mat.c: Don't include varray.h.
6630 * tree-chrec.c: Same.
6631 * lambda-trans.c: Same.
6632 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6633 VEC instead of VARRAY.
6634 * tree-vectorizer.h: Idem.
6635 * tree-data-ref.c (dump_data_references,
6636 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6637 initialize_data_dependence_relation, finalize_ddr_dependent,
6638 compute_all_dependences, find_data_references_in_loop,
6639 compute_data_dependences_for_loop, analyze_all_data_dependences,
6640 free_dependence_relation, free_dependence_relations,
6641 free_data_refs): Idem.
6642 * tree-data-ref.h (data_reference_p, subscript_p): New.
6643 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6644 VEC instead of VARRAY.
6645 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6646 (find_data_references_in_loop, compute_data_dependences_for_loop,
6647 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6648 dump_data_dependence_relations, free_dependence_relations,
6649 free_data_refs): Adjust declaration.
6650 (lambda_transform_legal_p): Move declaration here...
6651 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6652 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6653 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6654 vect_analyze_data_refs): Use VEC instead of VARRAY.
6655 * lambda.h (lambda_transform_legal_p): ...from here.
6656 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6657 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6658 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6659 tree-chrec.o): Don't depend on VARRAY_H.
6661 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6663 * rtl.def (Copyright): Update date.
6664 (DEPS_LIST): Change type of the second operand to 'int'.
6665 * target.h (Copyright): Update date.
6666 (struct gcc_target.speculate_insn): Change type of the second parameter
6668 * lists.c (Copyright): Update date.
6669 (alloc_DEPS_LIST): Change signature. Update reference to the second
6670 operand of the DEPS_LIST.
6671 (copy_DEPS_LIST_list): Update reference to the second operand of the
6673 * rtl.h (Copyright): Update date.
6674 (alloc_DEPS_LIST): Update signature.
6675 * sched-int.h (Copyright): Update date.
6676 (ds_t): Change typedef to 'int'.
6677 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6679 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6681 * haifa-sched.c (Copyright): Update date.
6682 (try_ready): Change condition to restore non-speculative pattern
6684 (process_insn_depend_be_in_spec): Code to keep probability of the
6685 speculative dependence non-decreasing.
6687 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6689 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6690 shut up the compiler.
6692 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6694 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6695 to use lib prefix for target.
6696 ($(T)libic_invalidate_array_4-200.a): Likewise.
6697 ($(T)libic_invalidate_array_4a.a): Likewise.
6699 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6700 J"orn Rennecke <joern.rennecke@st.com>
6702 * superh.opt: New file.
6703 * sh.c (boardtype, osruntime): Remove.
6704 * superh.h (SUBTARGET_OPTIONS): Remove.
6705 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6707 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6708 arguments with ^ and/or [].
6710 * config.gcc (sh-*-*): Add quoting to account for quirk of
6712 Replace == with = in enable_incomplete_targets test.
6714 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6715 with MASK_LITTLE_ENDIAN.
6717 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6718 * config/sh/sh.opt: Added to some comments.
6719 * config/sh/superh.h: Removed some chaff.
6721 * config/sh/sh.opt: Add m4-[1234]00* options.
6722 * config/sh/sh.c (sh_handle_option): Likewise.
6723 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6724 (ic_invalidate_array_4-100.o): New rule.
6725 ($(T)libic_invalidate_array_4-100.a): Likewise.
6726 (ic_invalidate_array_4-200.o): Likewise.
6727 ($(T)libic_invalidate_array_4-200.a): Likewise.
6728 (ic_invalidate_array_4a.o): Likewise.
6729 ($(T)libic_invalidate_array_4a.a): Likewise.
6730 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6731 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6733 * config/sh/crt1.asm: Merged in profiling code.
6734 * config/sh/superh.h (STARTFILE_SPEC): Override.
6735 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6736 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6737 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6739 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6740 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6741 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6743 * sh.opt (mpretend-cmove): New option.
6744 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6745 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6746 (movsicc): Add TARGET_PRETEND_CMOVE code.
6748 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6750 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6751 s390_class_max_nregs): New function prototypes.
6752 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6753 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6754 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6755 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6757 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6759 * dwarf2out.c (add_location_or_const_value_attribute): Call
6760 tree_add_const_value_attribute if nothing else works.
6761 (reference_to_unused): New.
6762 (rtl_for_decl_init): Use reference_to_unused to decide whether
6763 to output an initializer.
6765 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6768 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6769 peephole removing spe frob_di_df_2.
6771 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6773 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6774 (subscript_dependence_tester_1): Declared.
6775 (print_dir_vectors, print_dist_vectors): New.
6776 (debug_data_dependence_relation): New.
6777 (dump_data_dependence_relation): Print more details.
6778 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6779 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6780 (save_dist_v, save_dir_v, add_outer_distances,
6781 build_classic_dist_vector_1): New.
6782 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6783 Don't test for lambda_vector_lexico_pos.
6784 (same_access_functions, add_multivariate_self_dist,
6785 add_other_self_distances, dir_from_dist): New.
6786 (build_classic_dir_vector): Replace implementation almost identical to
6787 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6789 (subscript_dependence_tester_1): New.
6790 (subscript_dependence_tester): Handle the lexicographically negative
6791 distance vectors by recomputing the dependence relation.
6792 (compute_affine_dependence): Remove parameter loop_nest_depth.
6793 (compute_self_dependence): Don't call compute_subscript_distance.
6794 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6795 Add a parameter for the loop_nest.
6796 (find_loop_nest_1, find_loop_nest): New.
6797 (compute_data_dependences_for_loop): Compute the loop nest, and give
6798 up if the nest is not well formed.
6799 * tree-data-ref.h (loop_p): New.
6800 (struct data_dependence_relation): Replace size_vect field with
6801 loop_nest, a vec of loops.
6802 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6803 (DDR_LOOP_NEST): New.
6804 (print_dir_vectors, print_dist_vectors,
6805 debug_data_dependence_relation): Declared.
6806 (index_in_loop_nest): New.
6807 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6808 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6811 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6813 * simplify-rtx.c (simplify_relational_operation): Call
6814 simplify_relational_operation_1 even if mode is VOIDmode.
6816 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6818 PR tree-optimization/26804
6819 * tree.h (DECL_CALL_CLOBBERED): New macro.
6820 (tree_decl_common): Add call_clobbered_flag.
6821 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6822 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6823 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6824 (mark_non_addressable): Ditto.
6825 * tree-ssa.c (verify_call_clobbered): New function.
6826 (verify_alias_info): Use it.
6827 * tree-pass.h (pass_reset_cc_flags): New prototype.
6828 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6829 (reset_cc_flags): New function.
6830 * passes.c (init_optimization_passes): Call reset_cc_flags after
6831 initializing referenced_vars.
6833 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6834 Roger Sayle <roger@eyesopen.com>
6837 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6838 to 1.0 for non-real operands. Implement A / A optimization for
6841 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6843 * config/i386/i386.c (size_cost): Correct the comment for
6844 cost of storing fp registers.
6845 (i386_cost): Likewise.
6846 (i486_cost): Likewise.
6847 (pentium_cost): Likewise.
6848 (pentiumpro_cost): Likewise.
6849 (k6_cost): Likewise.
6850 (athlon_cost): Likewise.
6851 (k8_cost): Likewise.
6852 (pentium4_cost): Likewise.
6853 (nocona_cost): Likewise.
6854 (generic64_cost): Likewise.
6855 (generic32_cost): Likewise.
6857 2006-03-24 Denis Chertykov <denisc@overta.ru>
6859 * config/avr/avr-protos.h (extra_constraint): Delete.
6860 (extra_constraint_Q): New declaration.
6861 * config/avr/constraints.md: New file.
6862 * config/avr/avr.md: Include it.
6863 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6864 (TMP_REGNO, ZERO_REGNO): Likewise.
6865 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6866 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6867 (extra_constraint): Delete.
6868 (extra_constraint_Q): Test for memory constraint 'Q'.
6869 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6870 (REG_CLASS_FROM_LETTER): Delete.
6871 (CONST_OK_FOR_LETTER_P): Delete.
6872 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6873 (EXTRA_CONSTRAINT): Delete.
6874 (TMP_REGNO): Delete.
6875 (ZERO_REGNO): Delete.
6877 2006-03-24 Jeff Law <law@redhat.com>
6879 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6880 directly. Call mark_new_vars_to_rename slightly earlier.
6882 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6884 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6886 (gen_compile_unit_die): Use new language types for Objective-C and
6888 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6889 DW_LANG_C_plus_plus.
6892 * config/t-darwin (crt3.o): Work around bug 26840.
6893 * config/darwin-crt3.c: Rewrite.
6894 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6896 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6898 * doc/invoke.texi: Document -femit-class-debug-always
6899 * common.opt: Add -femit-class-debug-always.
6901 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6903 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6904 index and base register.
6905 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6906 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6907 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6908 REGNO_OK_FOR_INDEX_P.
6909 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6911 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6912 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6913 REG_OK_FOR_BASE_P): Definitions removed.
6915 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6918 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6919 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6920 set yet or weren't marked as local yet.
6922 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6924 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6927 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6929 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6930 (rs6000_legitimate_small_data_p): Delete.
6931 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6932 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6933 and make static. Add forward declaration. Update uses.
6934 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6935 of offsettable_memref_p.
6936 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6937 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6939 2006-03-24 Jeff Law <law@redhat.com>
6941 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6942 around bug in immediate-use iterator.
6944 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6947 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6948 or __LITTLE_ENDIAN__.
6950 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6952 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6953 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6954 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6955 * config/sh/sh.opt (mdiv=): Amend description.
6956 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6957 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6958 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6959 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6960 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6961 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6962 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6963 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6964 TARGET_DIVIDE_CALL_FP.
6966 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6968 * haifa-sched.c (choose_ready): Fix type of the local variable.
6969 Move local variables. Add comment.
6970 (check_reg_live): Change signature. Make callable from debugger.
6971 * sched-int.h (check_reg_live): Update signature.
6972 * sched-ebb.c (check_reg_live): Update parameters.
6973 * sched-rgn.c (check_reg_live): Ditto.
6974 (region_head_or_leaf_p): Check pointer before dereferencing.
6975 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6976 before reload on optimization levels below 1.
6978 2006-03-23 Richard Henderson <rth@redhat.com>
6980 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6984 * config/alpha/predicates.md (local_symbolic_operand): Reject
6987 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6990 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6991 expressions which have overflowed constants.
6993 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6995 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6997 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6999 * cfgloopmanip.c (create_loop_notes): Removed.
7000 * final.c (final_scan_insn): Do not handle loop notes.
7001 * jump.c (squeeze_notes): Ditto.
7002 * cfglayout.c (skip_insns_after_block,
7003 duplicate_insn_chain): Ditto.
7004 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7006 * cfgloop.h (create_loop_notes): Declaration removed.
7008 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7010 * varasm.c (output_constant_pool): Restore fnname and fndecl
7012 (assemble_start_function): Adjust call accordingly.
7013 (assemble_end_function): Likewise.
7015 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7018 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7021 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7023 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7026 * system.h (ICE_EXIT_CODE): New macro.
7027 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7028 (diagnostic_action_after_output): Likewise.
7029 * gcc.c (fatal_ice): New function.
7030 (execute): Use it instead of fatal.
7031 (fancy_abort): Likewise.
7032 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7034 2006-03-22 Jeff Law <law@redhat.com>
7036 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7037 iv_analyze_result returning false.
7039 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7041 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7043 2006-03-22 Richard Henderson <rth@redhat.com>
7046 * except.c (duplicate_eh_regions_0): New.
7047 (duplicate_eh_region_1): Duplicate the children of the node as
7048 well as the node itself. Link them up properly.
7049 (duplicate_eh_region_2): Merge into ...
7050 (duplicate_eh_regions): ... here. Take copy_region argument, and
7051 copy only a sub-tree if asked. Simplify copying and fixup.
7052 (eh_region_outer_p): New.
7053 * except.h (duplicate_eh_regions): Update decl.
7054 (eh_region_outer_p): Declare.
7055 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7056 (lower_omp_master): Likewise.
7057 (lower_omp_ordered): Likewise.
7058 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7059 (move_stmt_r): Use it to remap labels. Handle recursion vs
7060 remap_decls_p properly.
7061 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7062 (find_outermost_region_in_block): New.
7063 (new_label_mapper): New.
7064 (move_sese_region_to_fn): Copy eh information to the new function
7066 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7068 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7071 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7073 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7074 into shared libraries.
7076 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7078 * doc/md.texi: Refer to i386/constraints.md instead of
7080 * config/i386/constraints.md: New file, extracted from...
7081 * config/i386/predicates.md: ...here.
7082 * config/i386/i386.md: Include constraints.md.
7084 2006-03-21 Jason Merrill <jason@redhat.com>
7086 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7089 * expr.c (init_block_move_fn): Force default visibility.
7090 (init_block_clear_fn): Likewise.
7091 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7092 * targhooks.c (default_external_stack_protect_fail): Likewise.
7094 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7096 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7097 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7098 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7099 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7100 (loadgp): Use mips_current_loadgp_style.
7101 (loadgp_noshared): New pattern.
7102 (sibcall_internal): Use MIPS_CALL.
7103 (sibcall_value_internal): Likewise.
7104 (sibcall_value_multiple_internal): Likewise.
7105 (call_internal): Likewise.
7106 (call_value_internal): Likewise.
7107 (call_value_multiple_internal): Likewise.
7108 (call_split): Use MIPS_CALL and add an 'S' constraint.
7109 (call_value_split): Likewise.
7110 (call_value_multiple_split): Likewise.
7111 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7112 (-mshared): New option.
7113 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7114 (mips_current_loadgp_style): Declare.
7115 * config/mips/mips.c (mips_classify_symbol): Avoid using
7116 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7117 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7118 TARGET_ABSOLUTE_ABICALLS.
7119 (override_options): Adjust comments. Improve the warning that is
7120 issued when -mabicalls and -G are used together.
7121 (mips_file_start): Remove comment.
7122 (mips_current_loadgp_style): New function.
7123 (mips_gnu_local_gp): New variable.
7124 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7126 (mips_output_function_prologue): Use mips_current_laodgp_style.
7127 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7128 the cprestore instruction.
7129 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7130 live for TARGET_ABSOLUTE_ABICALLS.
7131 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7132 (ASM_SPEC): Pass down -mshared and -mno-shared.
7133 (MIPS_CALL): New macro.
7134 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7136 * doc/invoke.texi (-mabicalls): Update documentation.
7137 (-mshared): Document.
7139 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7141 * config/ia64/unwind-hpux.c: New file.
7142 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7144 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7147 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7149 2006-03-21 Jeff Law <law@redhat.com>
7151 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7152 type conversions of a VR_VARYING source to a wider type.
7154 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7156 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7157 tm_file on Solaris 10 and later.
7158 (sparc64-*-solaris2*): Likewise.
7159 (sparc-*-solaris2*): Likewise.
7160 * config/sol26.h: Rename to config/sol2-6.h.
7161 * config/sol2-10.h: New file.
7163 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7166 * tree-ssa-pre.c (create_component_ref_by_pieces):
7169 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7172 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7173 return it immediately.
7175 2006-03-21 Michael Matz <matz@suse.de>
7177 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7179 (remove_arc, add_arc): Update num_out_arcs member.
7180 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7182 (cache_presence): New function.
7183 (compare_states_for_equiv): New function.
7184 (state_is_differed): Don't take number of outargs, adjust callers.
7185 Use new invariant for speeding up.
7186 (init_equiv_class): Create initial classes based on sorted
7188 (partition_equiv_class): Don't track out_arcs_num.
7189 (evaluate_equiv_classes): Call cache_presence on all states and
7192 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7194 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7195 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7196 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7197 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7199 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7200 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7201 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7202 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7203 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7205 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7206 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7207 (REGNO_REG_CLASS): ARGP is in PREGS.
7208 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7210 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7211 to deal with those addresses.
7212 * addresses.h: New file.
7213 * caller-save.c: Include "addresses.h".
7214 (init_caller_save): Use new base_reg_class function.
7215 * rtl-factoring.c: Include "addresses.h".
7216 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7217 * recog.c: Include "addresses.h".
7218 (preprocess_constraints): Use new base_reg_class function.
7219 * regrename.c: Include "addresses.h".
7220 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7221 functions. Keep track of a new var INDEX_CODE to compute valid
7223 (replace_oldest_value_addr): Likewise.
7224 (replace_oldest_value_mem): Use base_reg_class.
7225 * reload.c: Include "addresses.h".
7226 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7227 (find_reloads): Use new base_reg_class function.
7228 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7229 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7230 all callers and prototype changed.
7231 * reload1.c: Include "addresses.h".
7232 (maybe_fix_stack_asms): Use base_reg_class.
7233 * regclass.c: Include "addresses.h".
7234 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7235 (init_reg_autoinc): Use new base_reg_class function.
7236 (record_reg_classes): Likewise.
7237 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7238 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7239 Use new args to compute necessary class.
7241 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7242 regrename.o, rtl-factoring.o): Update dependencies.
7243 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7244 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7245 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7246 REG_OK_FOR_INDEX_P): Delete documentation.
7248 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7250 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7251 from V7 to V9 for Solaris 7 and above.
7253 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7255 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7256 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7257 argument pointers may not alias any other storage.
7258 * common.opt: Define option -fargument-noalias-anything.
7259 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7260 alias semantics is specified by flag_argument_noalias > 2.
7262 2006-03-20 Jeff Law <law@redhat.com>
7264 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7265 (pass_phi_only_cprop): Declare.
7266 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7268 * tree-ssa-dom.c (degenerate_phi_result): New function.
7269 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7270 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7271 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7272 (eliminate_degenerate_phis): Likewise.
7273 (pass_phi_only_cprop): New pass descriptor.
7274 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7275 support code. Callers updated.
7276 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7277 (store_copy_prop): Likewise.
7278 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7280 2006-03-20 Jason Merrill <jason@redhat.com>
7283 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7284 (push_visibility, pop_visibility): Likewise.
7285 * c-pragma.h: Declare them.
7287 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7289 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7291 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7292 parameter and use get_ebb_head_tail.
7293 (sh_md_init_global): Adjust uses of find_regmode_weight.
7295 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7297 * function.h (struct function) <x_tail_recursion_reentry>:
7298 Rename to x_stack_check_probe_note.
7299 (tail_recursion_reentry): Rename to stack_check_probe_note.
7300 * function.c: Replace tail_recursion_reentry with
7301 stack_check_probe_note everywhere.
7302 (expand_function_start): Only emit a note for
7303 stack_check_probe_note with -fstack-protect.
7304 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7306 * emit-rtl.c (remove_unnecessary_notes): Remove.
7307 (pass_remove_unnecessary_notes): Remove.
7308 * rtl.h (remove_unnecessary_notes): Remove prototype.
7309 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7310 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7311 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7313 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7316 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7317 (valid_in_set): Handle ARRAY_REF.
7318 Change "if min_variant or VH" to asserts.
7319 (create_component_ref_by_pieces): Handle ARRAY_REF.
7320 (create_expression_by_pieces): Likewise.
7321 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7323 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7325 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7326 is operand of switch, not str[0].
7328 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7330 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7331 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7333 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7335 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7336 end of insn_extra_address_constraint declaration.
7338 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7340 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7341 (no-sum-in-toc): Same.
7342 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7344 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7345 NO_FP_IN_TOC for -fPIC instead of mask.
7347 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7348 (BOOT_LDFLAGS): Delete.
7350 * config/rs6000/t-aix52: Same.
7352 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7353 (stmsi[345678]_power): New.
7355 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7357 * config/ia64/ia64.opt: Add empty line to end of file.
7359 2006-03-17 Richard Guenther <rguenther@suse.de>
7362 * builtins.c (get_pointer_alignment): For component style references
7363 adjust alignment to the component type alignment. Make sure
7364 to adjust alignment for component access of constants.
7366 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7368 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7371 2006-03-17 Paul Brook <paul@codesourcery.com>
7373 * doc/install.texi: Docuemnt --with-mode.
7374 * config.gcc: Add --with-mode for arm*-*-*.
7375 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7377 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7379 * sh.c (max_labelno_before_reorg): New variable.
7380 (sh_reorg): Initialize it.
7381 (find_barrier): Check max_labelno_before_reorg before using
7382 label_to_alignment. Take length of explicit alignment insns
7383 into account. When seeing a UNSPECV_CONST_END, return it.
7385 * sh.c (fixup_mova): Set mode of affected label to QImode.
7386 (untangle_mova): New function.
7387 (find_barrier): Use it. Check mode of label before decrementing
7389 (sh_reorg): Likewise.
7390 Set mode of all insns back to VOIDmode.
7392 * sh.c (MOVA_LABELREF): New macro.
7393 (mova_p, fixup_mova, sh_reorg): Use it.
7394 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7395 ADDR_DIFF_VEC matches mova.
7397 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7399 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7400 with ATTRIBUTE_UNUSED.
7402 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7404 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7405 pointer, instead of assuming it is possible to derive the
7406 correct args size from a call insn.
7408 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7410 * rtl.h (CONST_INT_P): Define.
7411 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7412 instead of GET_CODE(x) == CONST_INT.
7413 (vax_rtx_costs): Likewise.
7414 (vax_output_int_move): Likewise.
7415 (vax_output_int_add): Likewise.
7416 (legitimate_constant_address_p): Likewise.
7417 (index_term_p): Likewise.
7418 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7419 * config/vax/vax.md (and<mode>3): Likewise.
7420 (ashrsi3): Likewise.
7422 (movstricthi): Likewise.
7423 (movstrictqi): Likewise.
7424 (rotrsi3): Likewise.
7425 (five unnamed insns): Likewise.
7427 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7429 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7430 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7431 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7432 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7433 Pass to ASM_OUTPUT_DWARF_OFFSET.
7434 * dwarf2out.c (debug_frame_section): New.
7435 (output_call_frame_info): Use debug_frame_section. Pass it to
7436 dw2_asm_output_offset.
7437 (output_die): Pass appropriate section to dw2_asm_output_offset.
7438 (output_compilation_unit_header): Likewise.
7439 (output_pubnames): Likewise.
7440 (output_aranges): Likewise.
7441 (enum dw_val_class): Break dw_val_class_lbl_offset into
7442 dw_val_class_lineptr and dw_val_class_macptr.
7443 (add_AT_lbl_offset): Delete.
7444 (add_AT_lineptr): New.
7445 (add_AT_macptr): New.
7446 (AT_lbl): Expect a lineptr or macptr.
7447 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7448 (attr_checksum): Likewise.
7449 (same_dw_val_p): Likewise.
7450 (size_of_die): Likewise.
7451 (value_format): Likewise.
7452 (output_die): Likewise.
7453 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7455 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7456 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7457 * config/darwin-protos.h (darwin_file_start): New.
7458 (darwin_asm_output_dwarf_offset): New.
7459 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7460 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7462 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7463 if not EH section; simplify.
7464 (darwin_file_start): New.
7465 (darwin_asm_output_dwarf_offset): New.
7466 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7468 (DEBUG_INFO_SECTION): Likewise.
7469 (DEBUG_ABBREV_SECTION): Likewise.
7470 (DEBUG_ARANGES_SECTION): Likewise.
7471 (DEBUG_MACINFO_SECTION): Likewise.
7472 (DEBUG_LINE_SECTION): Likewise.
7473 (DEBUG_LOC_SECTION): Likewise.
7474 (DEBUG_PUBNAMES_SECTION): Likewise.
7475 (DEBUG_STR_SECTION): Likewise.
7476 (DEBUG_RANGES_SECTION): Likewise.
7477 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7478 (ASM_OUTPUT_DWARF_OFFSET): New.
7480 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7482 * config.gcc (tm_defines): Always add to previous value rather
7485 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7487 * config/mips/predicates.md (splittable_const_int_operand): New,
7488 split from move_operand.
7489 (splittable_symbolic_operand): New.
7490 (move_operand): Add commentary. Use splittable_const_int_operand.
7491 Inline mips_atomic_symbolic_constant_p.
7492 * config/mips/mips.md: Add combine splitters for handling moves
7493 of splittable_const_int_operands and splittable_symbolic_operands.
7494 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7495 (mips_split_symbol): Declare.
7496 (mips_move_integer): Declare.
7497 * config/mips/mips.c (mips_split_p): Make global.
7498 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7499 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7500 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7501 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7502 (mips_offset_within_object_p): Handle block symbols.
7503 (mips_atomic_symbolic_constant_p): Delete.
7504 (mips_cannot_force_const_mem): Return false for constants that
7505 mips_legitimize_move can handle.
7506 (mips_use_blocks_for_constant_p): New function.
7507 (mips_split_symbol): Make global.
7508 (mips_move_integer): Likewise. Add a temporary register argument.
7509 (mips_legitimize_const_move): Use splittable_const_int_operand and
7510 splittable_symbolic_operand.
7511 (mips_use_anchors_for_symbol_p): New function.
7512 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7513 (mips_split_p): Declare.
7515 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7517 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7518 (mips*-*-linux*): Likewise.
7520 2006-03-16 Roger Sayle <roger@eyesopen.com>
7521 Daniel Speyer <dspeyer@wam.umd.edu>
7524 * tree-dump.c (dump_real): New function.
7525 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7526 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7527 (tree-dump.o): Add $(REAL_H) to the dependencies.
7529 2006-03-16 Roger Sayle <roger@eyesopen.com>
7532 * real.c (real_from_string): If the mantissa is zero, don't bother
7533 parsing the exponent as the result should always be zero.
7535 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7537 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7539 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7541 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7542 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7543 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7544 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7545 ia64_sched_finish_global): New static functions to implement
7546 hooks from gcc_target.sched.
7547 (spec_check_no, max_uid, pending_data_specs): New static variables.
7548 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7549 ia64_spec_check_src_p): New static functions.
7550 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7551 (TARGET_SCHED_ADJUST_COST): Removed.
7552 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7553 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7554 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7555 TARGET_SCHED_GEN_CHECK,
7556 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7557 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7558 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7559 Fixed to handle speculation checks.
7560 (rtx_needs_barrier): Fixed to handle speculative loads and
7562 (ia64_variable_issue): Added code to count speculative loads and their
7564 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7566 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7568 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7570 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7571 (ia64_reorg): Reset stops_p to NULL after it is freed.
7572 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7573 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7574 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7576 (data_speculative, control_speculative, check_load): New attributes.
7577 (mov<mode>_advanced, mov<mode>_speculative,
7578 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7579 zero_extend<mode>di2_speculative,
7580 zero_extend<mode>di2_speculative_advanced): New patterns for
7581 data and control speculative loads.
7582 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7584 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7585 New pattern for data and control speculation checks.
7586 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7587 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7588 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7589 Auxiliary definitions for the patterns.
7590 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7591 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7593 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7595 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7596 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7597 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7598 New resource constraints.
7599 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7601 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7602 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7603 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7604 msched-in-control-spec, msched-ldc, msched-control-ldc,
7605 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7606 msched-prefer-non-control-spec-insns,
7607 msched-count-spec-in-critical-path): New flags to tune speculative
7609 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7610 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7611 msched-in-control-spec, msched-ldc, msched-control-ldc,
7612 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7613 msched-prefer-non-control-spec-insns,
7614 msched-count-spec-in-critical-path): Document new flags.
7616 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7618 * target.h (struct spec_info_def): New opaque declaration.
7619 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7620 speculate_insn, needs_block_p, gen_check,
7621 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7622 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7623 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7624 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7625 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7626 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7628 (TARGET_SCHED): Use new macros.
7629 * rtl.h (copy_DEPS_LIST_list): New prototype.
7630 * sched-int.h (struct sched_info): Change signature of new_ready field,
7631 adjust all initializations. New fields: add_remove_insn,
7632 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7633 region_head_or_leaf_p.
7634 (struct spec_info_def): New structure declaration.
7635 (spec_info_t): New typedef.
7636 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7637 recovery_block, orig_pat.
7638 (glat_start, glat_end): New variables declaraions.
7639 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7641 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7642 DETACH_LIFE_INFO, USE_GLAT.
7643 (enum SPEC_SCHED_FLAGS): New enumeration.
7644 (NOTE_NOTE_BB_P): New macro.
7645 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7646 attach_life_info, debug_spec_status, check_reg_live): New functions.
7647 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7648 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7650 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7651 * ddg.c (get_block_head_tail): Adjust all uses.
7652 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7653 (sms_sched_info): Initialize new fields.
7654 (contributes_to_priority): Removed.
7655 * haifa-sched.c (params.h): New include.
7656 (get_block_head_tail): Adjust all uses.
7657 (ISSUE_POINTS): New macro.
7658 (glat_start, glat_end): New global variables.
7659 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7660 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7661 old_last_basic_block, before_recovery, current_sched_info_var,
7662 rgn_n_insns, luid): New static variables.
7663 (insn_cost1): New function. Move logic from insn_cost to here.
7664 (find_insn_reg_weight1): New function. Move logic from
7665 find_insn_reg_weight to here.
7666 (reemit_notes, move_insn, max_issue): Change signature.
7667 (move_insn1): Removed.
7668 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7669 extend_bb): New static functions to support extension of scheduler's
7671 (generate_recovery_code, process_insn_depend_be_in_spec,
7672 begin_speculative_block, add_to_speculative_block,
7673 init_before_recovery, create_recovery_block, create_check_block_twin,
7674 fix_recovery_deps): New static functions to support
7675 generation of recovery code.
7676 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7677 restore_bb_notes, move_block_after_check, move_succs): New static
7678 functions to support ebb scheduling.
7679 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7680 functions to support handling of register live information.
7681 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7682 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7683 add_jump_dependencies): New static functions.
7684 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7685 consistancy checking.
7686 (debug_spec_status): New function to call from debugger.
7687 (priority): Added code to handle speculation checks.
7688 (rank_for_schedule): Added code to distinguish speculative instructions.
7689 (schedule_insn): Added code to handle speculation checks.
7690 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7691 Fixed to handle ebbs.
7692 (move_insn): Added code to handle ebb scheduling.
7693 (max_issue): Added code to use ISSUE_POINTS of instructions.
7694 (choose_ready): Added code to choose between speculative and
7695 non-speculative instructions.
7696 (schedule_block): Added code to handle ebb scheduling and scheduling of
7697 speculative instructions.
7698 (sched_init): Initialize new variables.
7699 (sched_finish): Free new variables. Print statistics.
7700 (try_ready): Added code to handle speculative instructions.
7701 * lists.c (copy_DEPS_LIST_list): New function.
7702 * sched-deps.c (extend_dependency_caches): New function. Move logic
7703 from create_dependency_caches to here.
7704 (get_dep_weak, ds_merge): Make global.
7705 * genattr.c (main): Code to output prototype for
7706 dfa_clear_single_insn_cache.
7707 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7708 (output_dfa_clean_insn_cache_func): Code to output
7709 dfa_clear_single_insn_cache function.
7710 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7712 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7714 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7715 New static variables.
7716 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7717 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7719 (ebb_sched_info): Initialize new fields.
7720 (get_block_head_tail): Adjust all uses.
7721 (compute_jump_reg_dependencies): Fixed to use glat_start.
7722 (schedule_ebb): Code to remove unreachable last block.
7723 (schedule_ebbs): Added code to update register live information.
7724 * sched-rgn.c (region_sched_info): Initialize new fields.
7725 (get_block_head_tail): Adjust all uses.
7726 (last_was_jump): Removed. Adjust users.
7727 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7728 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7729 Implement new hooks.
7730 (check_dead_notes1): New static function.
7731 (struct region): New fields: dont_calc_deps, has_real_ebb.
7732 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7733 (BB_TO_BLOCK): Fixed to handle EBBs.
7734 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7735 (ebb_head): New static variable.
7736 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7737 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7739 (compute_dom_prob_ps): New assertion.
7740 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7741 global_live_at_start.
7742 (init_ready_list): New assertions.
7743 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7744 (new_ready): Add support for BEGIN_CONTROL speculation.
7745 (schedule_insns): Fixed code that updates register live information
7747 (schedule_region): Fixed to handle EBBs.
7748 (init_regions): Use extend_regions and check_dead_notes1.
7749 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7750 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7751 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7752 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7753 TARGET_SCHED_GEN_CHECK,
7754 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7755 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7756 * doc/invoke.texi (max-sched-insn-conflict-delay,
7757 sched-spec-prob-cutoff): Document.
7759 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7761 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7762 inter_tick, queue_index.
7763 (struct sched_info): Change signature of init_ready_list field.
7764 Adjust all initializations.
7765 (RESOLVED_DEPS): New access macro.
7766 (ready_add): Remove prototype.
7767 (try_ready): Add prototype.
7768 * sched-rgn.c (init_ready_list): Use try_ready.
7769 (schedule_region): Initialize
7770 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7771 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7772 (init_ready_list): Use try_ready.
7773 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7774 * lists.c (remove_list_elem): Remove `static'.
7775 (remove_free_INSN_LIST_elem): New function.
7776 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7777 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7778 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7780 (readyp): New variable.
7781 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7782 change_queue_index, resolve_dep): New static functions.
7783 (try_ready): New function. Adjust callers in sched-rgn.c and
7784 sched-ebb.c to use it instead of ready_add.
7785 (clock_var): Move at the begining of file.
7786 (rank_for_schedule): Fix typo.
7787 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7788 (ready_lastpos): Enforce assertion.
7789 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7791 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7792 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7793 (queue_to_ready): Use free_INSN_LIST_list.
7794 (early_queue_to_ready): Fix typo.
7795 (schedule_block): Init readyp. Move init_ready_list call after the
7796 initialization of clock_var. Fix error in rejecting insn by
7797 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7798 that previously corrected INSN_TICKs. Add code for handling
7800 (set_priorities): Fix typo.
7801 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7802 Clarify comment and code that keeps current_sched_info->next_tail
7805 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7807 * sched-rgn.c (extend_rgns): New static function.
7808 (find_rgns): Use it.
7809 (gather_region_statistics, print_region_statistics): New static
7811 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7812 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7814 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7815 Andrey Belevantsev <abel@ispras.ru>
7817 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7818 * lists.c (unused_deps_list): New variable.
7819 (free_list): Add assertions to verify the proper distinguishing
7820 between INSN_LISTs and DEPS_LISTs.
7821 (find_list_elem, remove_list_elem, remove_list_node): New static
7823 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7824 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7825 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7826 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7828 (free_INSN_LIST_node): Likewise.
7829 * modulo-sched.c (current_sched_info): Initialize flags field.
7830 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7831 * rtl.def (DEPS_LIST): Define.
7832 * rtl.h: Declare new functions from lists.c.
7833 * sched-deps.c (spec_dependency_cache): New static variable.
7834 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7835 (add_dependence): Change return type to void. Move the logic to ...
7836 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7837 (delete_all_dependences): Add comment about forward_dependency_cache.
7838 Handle spec_dependency_cache. Handle DEPS_LISTs.
7839 (fixup_sched_groups): Clarify the change of priority of output
7840 and anti dependencies.
7841 (sched_analyze_2): Adjust add_dependence calls to create data
7842 speculative dependence.
7843 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7844 Adjust all callers. Handle DEPS_LISTS.
7845 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7846 presence of speculation.
7847 (init_dependency_caches, free_dependency_caches):
7848 Handle spec_dependency_cache.
7849 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7850 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7851 New static functions.
7852 (add_or_update_back_dep, add_or_update_back_forw_dep,
7853 add_back_forw_dep, delete_back_forw_dep): New functions.
7854 * sched-int.h (ds_t, dw_t): New typedefs.
7855 (struct sched_info): Add new field flags.
7856 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7857 Prototype new sched-deps.c functions.
7858 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7859 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7860 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7861 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7862 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7863 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7865 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7867 * sched-rgn.c (current_sched_info): Initialize flags field.
7868 (schedule_insns): Initialize current_sched_info before the sched_init
7870 * sched-ebb.c (current_sched_info): Initialize flags field.
7871 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7872 Call add_or_update_back_dep instead of add_dependence.
7873 Create control speculative dependencies.
7874 (schedule_insns): Initialize current_sched_info before the sched_init
7877 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7879 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7881 (sh_fallback_frame_state): Likewise.
7883 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7885 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7886 Do switch on default_use_cxa_atexit.
7887 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7888 * config/darwin-crt3.o: New.
7889 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7890 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7891 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7893 * config/rs6000/t-darwin: Move crt2.o building to here.
7894 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7895 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7898 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7900 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7901 from '! xxx' to '!xxx' for coding-style conformance.
7902 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7903 (EXTRA_CONSTRAINT): Likewise.
7904 * config/vax/vax.md (four unnamed insns): Likewise.
7906 2006-03-15 Paul Brook <paul@codesourcery.com>
7908 * config/arm/arm.c (minipool_pad): New.
7909 (add_minipool_forward_ref): Include pool alignment padding in address
7911 (push_minipool_fix): Set minipool_pad.
7912 (minipool_pad): Ditto.
7914 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7916 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7917 instead of GET_CODE() == MEM and REG_P() instead of
7919 (print_operand_address): Likewise.
7920 (vax_address_cost): Likewise.
7921 (vax_rtx_costs): Likewise.
7922 (vax_notice_update_cc): Likewise.
7923 (vax_output_int_add): Likewise.
7924 (INDEX_REGISTER_P): Likewise.
7925 (BASE_REGISTER_P): Likewise.
7926 (nonindexed_address_p): Likewise.
7927 (vax_mode_dependent_address_p): Likewise.
7928 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7929 (PRINT_OPERAND): Likewise.
7930 * config/vax/vax.md (ashlsi3): Likewise.
7931 (ashlsi3): Likewise.
7932 (some more unnamed insns): Likewise.
7934 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7936 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7937 iterator-style macro.
7938 (mark_control_dependent_edges_necessary): Update the use of
7939 EXECUTE_IF_CONTROL_DEPENDENT.
7941 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7943 * config/sh/predicates.md (cache_address_operand): Special.
7944 (ua_address_operand): Likewise.
7946 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7948 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7950 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7952 2006-03-15 Andreas Schwab <schwab@suse.de>
7954 * gensupport.c (identify_predicable_attribute): Don't free p_false
7955 when it is still in use.
7957 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7959 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7960 the default setting here.
7962 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7964 * tree-pass.h (pass_cfg): Remove.
7965 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7966 * passes.c (pass_cfg): Don't run it.
7968 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7970 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7971 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7973 (stack_regs_mentioned): Update the uses of
7974 stack_regs_mentioned_data. Don't access the array beyond its
7976 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7977 Don't include gt-reg-stack.h.
7979 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7980 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7982 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7985 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7988 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7990 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7992 2006-03-14 Richard Guenther <rguenther@suse.de>
7994 PR tree-optimization/26672
7995 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7998 2006-03-14 Richard Guenther <rguenther@suse.de>
8000 PR tree-optimization/26667
8001 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8002 node for the callees. Always allow inlining if it will shrink
8005 2006-03-14 Richard Guenther <rguenther@suse.de>
8008 * builtins.c (get_pointer_alignment): Prefer alignment
8009 information from decls over that from types.
8011 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8014 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8016 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8018 * config/rs6000/rs6000.opt (mdlmzb): New option.
8019 (msched-prolog, msched-epilog): Use Var not Mask.
8020 * doc/invoke.texi (-mdlmzb): Document.
8021 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8023 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8024 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8026 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8028 PR rtl-optimization/25739
8029 * bt-load.c (augment_live_range): Free tos pointer.
8031 * gensupport.c (identify_predicable_attribute): Free
8033 * gcov.c (create_file_names): Free name pointer.
8035 2006-03-13 Roger Sayle <roger@eyesopen.com>
8038 * stmt.c (emit_case_nodes): Handle the case where the index is a
8039 CONST_INT, where the comparison mode is specified by the index type.
8041 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8043 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8046 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8048 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8049 (*branch_fp_inverted): Likewise.
8051 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8054 * omp-low.c (expand_omp_for_generic): Mark istart0
8055 and iend0 as addressable.
8057 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8059 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8061 2006-03-13 Jeff Law <law@redhat.com>
8063 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8064 virtual operands are interesting.
8065 (vrp_visit_stmt): Corresponding changes.
8067 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8069 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8071 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8072 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8073 * config/bfin/crti.S: Use it instead of __PIC__.
8074 * config/bfin/crtn.S: Likewise.
8076 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8077 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8079 Lose 'G' modifier for call operand.
8080 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8081 recognize 'G' modifier.
8083 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8086 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8087 * stmt.c (expand_case): Likewise.
8089 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8091 PR rtl-optimization/26254
8092 * loop-invariant.c (seq_insns_valid_p): New function.
8093 (move_invariant_reg): Only emit new code if it is valid.
8095 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8097 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8099 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8100 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8101 (commit_one_edge_insertion): Do not look for loop notes.
8103 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8105 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8106 flag_test_coverage out of loop.
8108 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8110 * final.c (shorten_branches): Remove outdated comment, and turn
8111 the if branch that guards it to continue.
8113 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8115 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8116 * cfgloop.h (struct loop): Remove unused fields.
8118 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8120 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8121 (-dL, -fdump-rtl-loop2): Update the dump file names
8123 * doc/invoke.texi: Update dump file names.
8125 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8127 * predict.c (estimate_probability): Remove.
8128 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8129 * basic-block.h (estimate_probability): Remove prototype.
8130 * passes.c (finish_optimization_passes): Dump branch prediction or
8131 profiling heuristics to the .profile tree dump.
8132 (init_optimization_passes): Unqueue pass_branch_prob.
8134 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8136 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8138 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8139 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8141 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8143 * function.h (frame_offset_overflow): Declare.
8144 * function.c (frame_offset_overflow): New function.
8145 (assign_stack_local_1): Call it to detect that the offset overflows.
8146 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8148 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8150 * config/sh/sh.c: Include alloc-pool.h.
8151 (label_ref_list_pool): New alloc pool.
8152 (label_ref_list_t): New type for lists of labels.
8153 (struct pool_node): Make wend a label_ref_list_t.
8154 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8156 (dump_table): Likewise.
8157 (sh_reorg): Set up the alloc pool before using add_constant and
8158 dump_table, and destroy it when finishing.
8160 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8162 * config/mips/mips.c: Remove redundant comment.
8164 2006-03-10 Jason Merrill <jason@redhat.com>
8167 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8168 the target was declared 'register'.
8170 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8172 * genpreds.c (write_insn_constraint_len): Change definition of
8173 insn_constraint_len to return size_t to match the declaration.
8175 2006-03-10 DJ Delorie <dj@redhat.com>
8177 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8179 (m32c_expand_insv): Fix test for an AND mask.
8181 2006-03-10 Richard Guenther <rguenther@suse.de>
8184 * builtins.c (get_pointer_alignment): Handle component
8185 references for field alignment.
8187 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8189 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8190 when building with libgloss.
8191 (sh*elf): Implement --without-fp option.
8192 (sh64-superh-linux*): Don't multilib.
8194 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8196 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8198 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8200 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8201 Set it when one of the replacement functions returned true.
8202 Return TODO_cleanup_cfg if cfgchanged is true.
8203 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8205 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8207 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8208 instead of gen_lowpart.
8210 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8212 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8214 (mips_output_order_conditional_branch): Declare.
8215 * config/mips/mips.h (MIPS_BRANCH): New macro.
8216 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8217 for the comparison. Use gen_condjump.
8218 (mips_output_conditional_branch): Rework interface to take the
8219 asm templates for a direct branch and the inverse of a direct branch.
8220 (mips_output_order_conditional_branch): New function.
8221 (mips_builtin_branch_and_move): New function.
8222 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8223 branch condition. Use gen_single_cc as the condition for
8224 __builtin_mips_upper_* or __builtin_mips_lower_*.
8225 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8226 Use VOIDmode for the branch condition.
8227 * config/mips/predicates.md (order_operator): New predicate.
8228 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8229 (branch_fp): Rename to...
8230 (*branch_fp): ...this. Remove mode from comparison operator.
8231 Use new mips_output_conditional_branch interface.
8232 (branch_fp_inverted): Rename to...
8233 (*branch_fp_inverted): ...this and update as for *branch_fp.
8234 (*branch_zero<mode>): Rename to...
8235 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8236 Use mips_output_order_conditional_branch. Only accept ordered
8238 (*branch_zero<mode>_inverted): Rename to...
8239 (*branch_order<mode>_inverted): ...this and update as for
8240 *branch_order<mode>.
8241 (*branch_equality<mode>): Accept zero as the second operand to
8242 the equality operator. Use the new mips_output_conditional_branch
8244 (*branch_equality<mode>_inverted): Likewise.
8245 (condjump): New expander.
8246 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8248 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8249 (bc1any2t, bc1any2f): Likewise.
8250 (single_cc): New expander.
8251 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8253 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8255 * doc/md.texi: Update documentation of MIPS constraints.
8256 * config/mips/constraints.md: New file.
8257 * config/mips/mips.md: Include it.
8258 * config/mips/mips.c (mips_char_to_class): Delete.
8259 (override_options): Don't initialize mips_char_to_class.
8260 * config/mips/mips.h (mips_char_to_class): Delete.
8261 (REG_CLASS_FROM_LETTER): Delete.
8262 (CONST_OK_FOR_LETTER_P): Delete.
8263 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8264 (EXTRA_CONSTRAINT_Y): Delete.
8265 (EXTRA_CONSTRAINT_STR): Delete.
8266 (CONSTRAINT_LEN): Delete.
8267 (EXTRA_MEMORY_CONSTRAINT): Delete.
8269 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8271 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8272 original fn's eh regions.
8274 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8276 * fold-const.c (build_range_check): Make sure to use a valid type to
8277 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8280 (range_predecessor): New static function.
8281 (range_successor): Likewise.
8282 (merge_ranges): Use them to compute predecessors and successors of
8285 2006-03-09 Roger Sayle <roger@eyesopen.com>
8288 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8289 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8291 2006-03-08 DJ Delorie <dj@redhat.com>
8293 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8294 (addpsi3): Expand to include memory operands. Remove
8295 reload-specific splits.
8296 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8297 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8298 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8299 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8300 (shift1_qi, shift1_hi, insv): New.
8301 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8302 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8303 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8305 * config/m32c/m32c-protos.h: Update as needed.
8306 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8307 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8308 Fail for unrecognized R* constraints.
8309 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8310 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8311 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8313 (m32c_init_libfuncs): New.
8314 (m32c_legitimate_address_p): Add debug wrapper.
8315 (m32c_rtx_costs): New.
8316 (m32c_address_cost): New.
8317 (conversions): Add 'B' prefix.
8318 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8319 operands, or word regnames for QI operands. 'B' prints bit
8321 (m32c_expand_setmemhi): New.
8322 (m32c_expand_movmemhi): New.
8323 (m32c_expand_movstr): New.
8324 (m32c_expand_cmpstr): New.
8325 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8326 (m32c_expand_neg_mulpsi3): Handle non-ints.
8327 (m32c_cmp_flg_0): New.
8328 (m32c_expand_movcc): New.
8329 (m32c_expand_insv): New.
8330 (m32c_scc_pattern): New.
8331 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8332 a0/a1 out of SIregs.
8333 (STORE_FLAG_VALUE): New.
8334 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8337 * config/m32c/mov.md: Make constraints more liberal.
8338 (zero_extendqihi2): Optimize r0/r1 case.
8339 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8340 * config/m32c/predicates.md (m32c_any_operand): New.
8341 (m32c_nonimmediate_operand): New.
8342 (m32c_hl_operand): New.
8343 (m32c_r3_operand): New.
8346 (memsym_operand): New.
8347 (memimmed_operand): New.
8348 (a_qi_operand): New.
8349 (m32c_eqne_operator): New.
8350 (m32c_1bit8_operand): New.
8351 (m32c_1bit16_operand): New.
8352 (m32c_1mask8_operand): New.
8353 (m32c_1mask16_operand): New.
8354 * config/m32c/blkmov.md: New file.
8355 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8357 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8359 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8360 unsigned to fix signed/unsigned comparison issue in
8361 DWARF2_FRAME_REG_OUT.
8362 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8363 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8365 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8366 of ptr into the ENABLE_CHECKING section.
8368 2006-03-08 Jeff Law <law@redhat.com>
8370 * tree-vrp.c (infer_value_range): Only count pointer uses
8371 and dereferences if -fdelete-null-pointer-checks is enabled.
8373 * tree-vrp.c (find_assert_locations): Infer value ranges for
8374 single use pointers, but do not create ASSERT_EXPRs for them.
8375 When a non-null range is inferred for a pointer, backwards
8376 propagate that range to other equivalent pointers through the
8379 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8382 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8383 language hook targets.
8384 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8385 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8386 if language hook targets were missing.
8388 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8390 * tree-ssa-opfinalize.h: Removed.
8391 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8393 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8394 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8395 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8396 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8397 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8398 finalize_ssa_v_must_def_ops): New.
8400 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8402 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8405 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8407 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8409 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8410 addresses with offsets; reorganize.
8412 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8413 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8414 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8416 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8419 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8421 2006-03-08 Ben Elliston <bje@au.ibm.com>
8423 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8425 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8428 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8431 2006-03-07 Richard Guenther <rguenther@suse.de>
8433 PR tree-optimization/26587
8434 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8436 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8438 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8440 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8442 * hooks.c (hook_bool_mode_rtx_true): New function.
8443 * hooks.h (hook_bool_mode_rtx_true): Declare.
8444 * toplev.c (compile_file): Call output_shared_constant_pool.
8445 * varasm.c (shared_constant_pool): New variable.
8446 (assemble_start_function, assemble_end_function): Remove arguments
8447 from call to output_constant_pool.
8448 (create_constant_pool): New function, split out from...
8449 (init_varasm_status): ...here.
8450 (force_const_mem): Choose between the shared and per-function constant
8451 pools. Set current_function_uses_const_pool when reusing old entries
8452 as well as when creating new ones.
8453 (mark_constant): Ignore data argument.
8454 (mark_constants): Remove pool argument.
8455 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8456 to decide whether the function uses a constant pool.
8457 (output_constant_pool_contents): New function, split out from...
8458 (output_constant_pool): ...here.
8459 (output_shared_constant_pool): New function.
8460 (init_varasm_once): Initialize shared_constant_pool.
8461 * output.h (output_constant_pool): Delete.
8462 (output_shared_constant_pool): Declare.
8463 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8464 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8466 2006-03-06 Nick Clifton <nickc@redhat.com>
8468 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8469 flag_strength_reduce.
8471 2006-03-06 Ben Elliston <bje@au.ibm.com>
8473 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8474 x86_64-*-linux* configurations.
8476 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8477 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8479 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8481 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8483 * basic-block.h: Remove the extern for
8484 rediscover_loops_after_threading.
8486 * cfgloop.c (cancel_loop): Make it static.
8487 * cfgloop.h: Remove the prototype for cancel_loop.
8489 * flow.c (recompute_reg_usage): Make it static.
8490 * rtl.h: Remove the prototype for recompute_reg_usage.
8492 * function.c (use_return_register): Make it static.
8493 * function.h: Remove the prototype.
8495 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8497 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8499 * recog.h: Remove the prototype for
8500 validate_change_maybe_volatile.
8502 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8504 * rtlanal.c (replace_reg): Remove.
8505 * rtl.h: Remove the prototype for replace_reg.
8507 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8509 * regclass.c (reg_scan_update): Remove.
8510 (reg_scan_mark_refs): Remove the last argument.
8511 * rtl.h: Remove the prototype for reg_scan_update.
8513 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8515 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8516 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8517 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8518 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8519 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8520 loop-invariant.c, omp-low.c, opts.c, passes.c,
8521 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8522 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8523 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8524 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8525 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8526 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8528 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8530 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8531 * dwarf2out.h: Remove the prototype for
8532 dwarf2out_add_library_unit_info.
8534 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8536 * tree.c (add_var_to_bind_expr): Remove.
8537 * tree.h: Remove the prototype for add_var_to_bind_expr.
8539 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8541 * regclass.c (n_non_fixed_regs): Remove.
8542 (init_reg_sets_1, globalize_reg): Remove all uses of
8544 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8546 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8548 * rtlanal.c (insns_safe_to_move_p): Remove.
8549 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8551 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8553 * expmed.c (expand_mult_add): Remove.
8554 * expr.h: Remove the prototype for expand_mult_add.
8556 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8558 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8559 and REG_SAVED_VAL_EXP constants.
8560 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8561 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8562 Handle regs stored by value.
8563 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8564 (execute_cfa_program): Handle DW_CFA_val_offset,
8565 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8566 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8567 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8568 (uw_install_context_1): Handle target regs stored by value.
8570 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8572 * tree-sra.c (tree_sra): Return todoflags;
8573 (generate_one_element): Set TODO_update_smt_usage if needed.
8574 (pass_sra): Remove TODO_update_smt_usage.
8575 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8577 (tree_ssa_forward_propagate_single_use_vars): Return
8578 TODO_update_smt_usage if we need to update SMT usage.
8579 (pass_forwprop): Remove TODO_update_smt_usage.
8581 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8583 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8584 (correct_use_link): Remove reference to get_stmt_operands.
8585 (update_stmt_operands): Likewise.
8586 (get_modify_expr_operands): New function factored out of
8587 parse_ssa_operands and get_expr_operands.
8588 Try to create V_MUST_DEFs for LHS by default.
8589 (get_expr_operands) <case MODIFY_EXPR>: Call
8590 get_modify_expr_operands.
8591 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8592 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8593 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8594 get_modify_expr_operands.
8596 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8598 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8599 * tree-flow.h: Remove the prototype for
8600 referenced_var_lookup_if_exists.
8602 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8604 PR rtl-optimization/26345
8606 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8608 2006-03-03 Roger Sayle <roger@eyesopen.com>
8610 PR tree-optimization/26524
8611 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8612 fold_convert to create a constant of the appropriate type.
8614 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8616 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8617 SYMBOL_REF_IN_BLOCK_P.
8618 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8619 of SYMBOL_FLAG_IN_BLOCK.
8620 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8621 instead of SYMBOL_REF_IN_BLOCK_P.
8622 * explow.c (use_anchored_address): Likewise.
8623 * rtl.c (rtx_size): Likewise.
8624 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8625 instead of SYMBOL_FLAG_IN_BLOCK.
8626 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8627 SYMBOL_REF_IN_BLOCK_P.
8628 (assemble_variable): Likewise.
8629 (output_constant_def_contents): Likewise.
8630 (output_constant_pool): Likewise.
8631 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8632 instead of SYMBOL_FLAG_IN_BLOCK.
8633 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8634 SYMBOL_REF_IN_BLOCK_P.
8635 (SYMBOL_REF_BLOCK): Likewise.
8636 (SYMBOL_REF_OFFSET): Likewise.
8637 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8638 SYMBOL_REF_IN_BLOCK_P.
8639 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8640 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8641 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8642 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8644 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8646 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8648 2006-03-02 Roger Sayle <roger@eyesopen.com>
8650 * simplify-rtx.c (simplify_unary_operation): When simplifying
8651 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8652 that we perform the right shift in the appropriate mode, and
8653 then extend or truncate the result to requested mode.
8655 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8657 * gengtype.c (main): Handle double_int type.
8658 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8659 * double-int.c: New file.
8660 * double-int.h: New file.
8661 * system.h: Include doubleint.h.
8662 * Makefile.in (SYSTEM_H): Include double-int.h.
8663 (double-int.o): Add.
8665 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8668 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8671 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8673 * tree-vrp.c (remove_range_assertions): Do not update statements
8676 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8678 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8680 * gcse.c (rest_of_handle_gcse): Ditto.
8681 * except.c (gate_handle_eh): Ditto.
8682 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8683 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8685 2006-03-02 Eric Christopher <echristo@apple.com>
8687 * config/i386/i386.c (machopic_output_stub): Add indirection to
8690 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8694 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8696 Sun Niagara specific optimizations.
8697 * config.gcc: Recognize niagara as target.
8698 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8699 (TARGET_CPU_niagara): Define.
8700 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8701 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8702 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8703 (ASM_CPU_SPEC): Likewise.
8704 (PROCESSOR_NIAGARA): New enum entry.
8705 (REGISTER_MOVE_COST): Handle Niagara.
8706 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8707 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8708 (sparc_override_options): Recognize "niagara", set appropriate
8709 default MASK_* values for it, and align functions to 32-bytes
8710 by default just like ULTRASPARC/ULTRASPARC3.
8711 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8712 (sparc64_initialize_trampoline): Likewise.
8713 (sparc_use_sched_lookahead): Use zero for niagara.
8714 (sparc_issue_rate): Use one for niagara.
8715 * config/sparc/niagara.md: New file.
8716 * config/sparc/sparc.md: Include it.
8717 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8718 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8719 when default cpu is niagara.
8720 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8721 (ASM_CPU_SPEC): Likewise.
8722 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8723 when default cpu is niagara.
8724 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8725 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8726 just like v9/ultrasparc/ultrasparc3.
8727 * doc/invoke.texi: Add documentation for "niagara" and improve
8728 existing documentation for ultrasparc variants.
8730 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8732 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8734 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8736 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8737 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8738 and say that only one is needed.
8739 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8740 * target.h (have_switchable_bss_sections): New hook.
8741 * explow.c (use_anchored_address): Check that the symbol is in a block.
8742 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8743 (bss_noswitch_section): New variables.
8744 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8745 (get_noswitch_section): New function.
8746 (get_block_for_section): Allow SECT to be null.
8747 (unlikely_text_section_p): Use SECTION_STYLE.
8748 (bss_initializer_p): New function.
8749 (get_variable_section): Move earlier in file. Take a new argument,
8750 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8751 Return one of the new *_sections in such cases.
8752 (get_block_for_decl): New function, extracting some logic from
8753 use_blocks_for_decl_p.
8754 (change_symbol_section): Remove in favor of...
8755 (change_symbol_block): ...this new function.
8756 (use_blocks_for_decl_p): Remove checks now performed by
8758 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8759 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8760 (emit_local, emit_bss, emit_common): ...these new functions.
8761 Return true if the alignment was honored.
8762 (emit_tls_common): New function.
8763 (asm_emit_uninitialised): Delete.
8764 (assemble_variable_noswitch): New function, split out from...
8765 (assemble_variable): ...here. Don't make decisions about common
8766 variables here. Globalize all public decls that go into non-common
8767 sections. Check whether SYMBOL_REF_BLOCK is null.
8768 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8769 (output_constant_pool): Likewise.
8770 (init_varasm_once): Initialize the new section variables.
8771 (have_global_bss_p): New function.
8772 (categorize_decl_for_section): Use bss_initializer_p.
8773 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8774 (place_block_symbol): Assert that the symbol must be in a block.
8775 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8776 (TARGET_INITIALIZER): Include it.
8777 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8778 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8779 (SECTION_MACH_DEP): Bump by two.
8780 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8781 (unnamed_section): Mention SECTION_UNNAMED in comment.
8782 (named_section): Likewise SECTION_NAMED.
8783 (noswitch_section_callback): New type.
8784 (noswitch_section): New structure.
8785 (section): Add a noswitch_section alternative.
8786 (SECTION_STYLE): New macro.
8787 (tls_comm_section, comm_section, lcomm_section): Declare.
8788 (bss_noswitch_section, have_global_bss_p): Declare.
8789 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8790 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8792 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8793 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8796 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8798 * tree-vrp.c (execute_vrp): Return value.
8799 * regrename.c (rest_of_handle_regrename): Ditto.
8800 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8801 * tree-complex.c (tree_lower_complex): Ditto.
8802 (tree_lower_complex_O0): Ditto.
8803 * tracer.c (rest_of_handle_tracer): Ditto.
8804 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8805 * postreload.c (rest_of_handle_postreload): Ditto.
8806 * tree-tailcall.c (execute_tail_recursion): Ditto.
8807 (execute_tail_calls): Ditto.
8808 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8809 * tree.h (init_function_for_compilation): Ditto.
8810 * ipa-cp.c (ipcp_driver): Ditto.
8811 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8812 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8813 * final.c (compute_alignments): Ditto.
8814 (rest_of_handle_final): Ditto.
8815 (rest_of_handle_shorten_branches): Ditto.
8816 (rest_of_clean_state): Ditto.
8817 * omp-low.c (execute_expand_omp): Ditto.
8818 (execute_lower_omp): Ditto.
8819 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8820 * ipa-reference.c (static_execute): Ditto.
8821 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8822 * reorg.c (rest_of_handle_delay_slots): Ditto.
8823 (rest_of_handle_machine_reorg): Ditto.
8824 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8825 * flow.c (recompute_reg_usage): Ditto.
8826 (rest_of_handle_remove_death_notes): Ditto.
8827 (rest_of_handle_life): Ditto.
8828 (rest_of_handle_flow2): Ditto.
8829 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8830 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8831 (do_ssa_store_ccp): Ditto.
8832 (execute_fold_all_builtins): Ditto.
8833 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8834 * modulo-sched.c (rest_of_handle_sms): Ditto.
8835 * ipa-pure-const.c (static_execute): Ditto.
8836 * cse.c (rest_of_handle_cse): Ditto.
8837 (rest_of_handle_cse2): Ditto.
8838 * web.c (rest_of_handle_web): Ditto.
8839 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8840 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8841 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8842 * tree-nrv.c (tree_nrv): Ditto.
8843 (execute_return_slot_opt): Ditto.
8844 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8845 (create_structure_vars): Ditto.
8846 * loop-init.c (rtl_loop_init): Ditto.
8847 (rtl_loop_done): Ditto.
8848 (rtl_move_loop_invariants): Ditto.
8849 (rtl_unswitch): Ditto.
8850 (rtl_unroll_and_peel_loops): Ditto.
8851 (rtl_doloop): Ditto.
8852 * gimple-low.c (lower_function_body): Ditto.
8853 (mark_used_blocks): Ditto.
8854 * tree-ssa-sink.c (execute_sink_code): Ditto.
8855 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8856 (cgraph_early_inlining): Ditto.
8857 * global.c (rest_of_handle_global_alloc): Ditto.
8858 * jump.c (cleanup_barriers): Ditto.
8859 (purge_line_number_notes): Ditto.
8860 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8861 (rest_of_handle_if_after_reload): Ditto.
8862 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8863 (tree_ssa_loop_im): Ditto.
8864 (tree_ssa_loop_unswitch): Ditto.
8865 (tree_vectorize): Ditto.
8866 (tree_linear_transform): Ditto.
8867 (tree_ssa_loop_ivcanon): Ditto.
8868 (tree_ssa_empty_loop): Ditto.
8869 (tree_ssa_loop_bounds): Ditto.
8870 (tree_complete_unroll): Ditto.
8871 (tree_ssa_loop_prefetch): Ditto.
8872 (tree_ssa_loop_ivopts): Ditto.
8873 (tree_ssa_loop_done): Ditto.
8874 * predict.c (tree_estimate_probability): Ditto.
8875 * recog.c (split_all_insns_noflow): Ditto.
8876 (rest_of_handle_peephole2): Ditto.
8877 (rest_of_handle_split_all_insns): Ditto.
8878 * tree-eh.c (lower_eh_constructs): Ditto.
8879 * regmove.c (rest_of_handle_regmove): Ditto.
8880 (rest_of_handle_stack_adjustments): Ditto.
8881 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8882 * function.c (instantiate_virtual_regs): Ditto.
8883 (init_function_for_compilation): Ditto.
8884 (rest_of_handle_check_leaf_regs): Ditto.
8885 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8886 (rest_of_handle_gcse): Ditto.
8887 * ipa-type-escape.c (type_escape_execute): Ditto.
8888 * alias.c (rest_of_handle_cfg): Ditto.
8889 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8890 * profile.c (rest_of_handle_branch_prob): Ditto.
8891 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8892 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8893 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8894 * tree-dfa.c (find_referenced_vars): Ditto.
8895 * except.c (set_nothrow_function_flags): Ditto.
8896 (convert_to_eh_region_ranges): Ditto.
8897 (rest_of_handle_eh): Ditto.
8898 * emit-rtl.c (unshare_all_rtl): Ditto.
8899 (remove_unnecessary_notes): Ditto.
8900 * except.h (set_nothrow_function_flags): Ditto.
8901 (convert_to_eh_region_ranges): Ditto.
8902 * cfgexpand.c (tree_expand_cfg): Ditto.
8903 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8904 * tree-ssa-pre.c (do_pre): Ditto.
8905 (execute_fre): Ditto.
8906 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8907 (rest_of_handle_jump2): Ditto.
8908 * tree-sra.c (tree_sra): Ditto.
8909 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8910 (execute_mudflap_function_decls): Ditto.
8911 * tree-ssa-copy.c (do_copy_prop): Ditto.
8912 (do_store_copy_prop): Ditto.
8913 * ipa-prop.h (ipcp_driver): Ditto.
8914 * cfglayout.c (insn_locators_initialize): Ditto.
8915 * tree-ssa-forwprop.c
8916 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8917 * cfglayout.h (insn_locators_initialize): Ditto.
8918 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8919 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8920 (execute_late_warn_uninitialized): Ditto.
8921 * rtl.h (cleanup_barriers): Ditto.
8922 (split_all_insns_noflow): Ditto.
8923 (purge_line_number_notes): Ditto.
8924 (unshare_all_rtl): Ditto.
8925 (remove_unnecessary_notes): Ditto.
8926 (recompute_reg_usage): Ditto.
8927 (variable_tracking_main): Ditto.
8928 * integrate.c (emit_initial_value_sets): Ditto.
8929 * integrate.h (emit_initial_value_sets): Ditto.
8930 * tree-optimize.c (execute_free_datastructures): Ditto
8931 (execute_free_cfg_annotations): Ditto.
8932 (execute_fixup_cfg): Ditto.
8933 (execute_cleanup_cfg_pre_ipa): Ditto.
8934 (execute_cleanup_cfg_post_optimizing): Ditto.
8935 (execute_init_datastructures): Ditto.
8936 * tree-object-size.c (compute_object_sizes): Ditto.
8937 * combine.c (rest_of_handle_combine): Ditto.
8938 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8939 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8940 (rest_of_handle_reorder_blocks): Ditto.
8941 (rest_of_handle_partition_blocks): Ditto.
8942 * var-tracking.c (variable_tracking_main): Ditto.
8943 * tree-profile.c (tree_profiling): Ditto.
8944 * tree-vect-generic.c (expand_vector_operations): Ditto.
8945 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8946 * sched-rgn.c (rest_of_handle_sched): Ditto.
8947 (rest_of_handle_sched2): Ditto.
8948 * basic-block.h (free_bb_insn): Ditto.
8949 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8950 * tree-cfg.c (execute_build_cfg): Ditto.
8951 (remove_useless_stmts): Ditto.
8952 (split_critical_edges): Ditto.
8953 (execute_warn_function_return): Ditto.
8954 (execute_warn_function_noreturn): Ditto.
8955 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8956 * cfgrtl.c (free_bb_for_insn): Ditto.
8957 * passes.c (execute_one_pass): Run additional
8958 todos returned by execute function.
8959 * tree-pass.h (struct tree_opt_pass): Make execute
8962 2006-03-02 Richard Guenther <rguenther@suse.de>
8964 * tree-ssa-alias.c (find_used_portions): Consider taking
8965 the address as making the variable not write-only.
8967 2006-03-02 Nick Clifton <nickc@redhat.com>
8969 * config.gcc (default_use_cxa_atexit): Extend the description of
8970 this configure variable. Set its default value to "yes" for
8971 Linux, NetBSD and ELF targets on the assumption that they will
8972 use C libraries with the __cxa_atexit function.
8974 2006-03-02 Ben Elliston <bje@au.ibm.com>
8976 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8977 parameter as unused to suppress a build warning.
8979 2006-03-02 Ben Elliston <bje@au.ibm.com>
8981 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8984 2006-03-01 Roger Sayle <roger@eyesopen.com>
8987 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8988 declared name, the weak reference name, and the typeof name.
8989 (__gthrw): Avoid expanding the declared name suffix.
8990 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8992 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8994 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8996 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8997 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8998 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8999 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9000 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9001 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9002 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9003 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9004 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9005 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9006 (DW_END_default, DW_END_big, DW_END_little): New.
9007 (DW_END_lo_user, DW_END_hi_user): Define.
9008 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9009 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9010 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9013 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9015 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9017 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9019 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9021 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9023 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9024 to 'symbol_mem_tag'.
9026 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9029 2006-03-01 Roger Sayle <roger@eyesopen.com>
9031 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9033 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9036 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9037 MACHO_DYNAMIC_NO_PIC_P.
9038 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9040 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9043 * config/darwin-protos.h (darwin_asm_output_anchor):
9045 * config/darwin-sections.def (cstring_section):
9046 Add SECTION_MERGE to the flags.
9047 (literal4_section): Likewise.
9048 (literal8_section): Likewise.
9049 (objc_selector_refs_section): Likewise.
9050 (objc_cls_refs_section): Likewise.
9051 * config/darwin.c (darwin_asm_output_anchor): New
9053 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9055 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9057 Fix PR tree-optimization/26443
9058 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9059 to todo and PROP_tmt_usage to properties_destroyed.
9060 * tree-ssa-ccp.c (pass_ccp): Ditto.
9061 (pass_store_ccp): Ditto.
9062 * tree-ssa-dom.c (pass_dominator): Ditto.
9064 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9066 * tree-ssa-operands.c: Cleanup whitespace.
9067 (get_asm_expr_operands): Move before first invocation.
9068 (get_indirect_ref_operands): Likewise.
9069 (get_tmr_operands): Likewise.
9070 (get_call_expr_operands): Likewise.
9071 (append_def): Likewise.
9072 (append_use): Likewise.
9073 (append_v_may_def): Likewise.
9074 (append_v_must_def): Likewise.
9075 (add_call_clobber_ops): Likewise.
9076 (add_call_read_ops): Likewise.
9077 (add_stmt_operand): Likewise.
9078 (add_virtual_operand): Likewise.
9079 (build_ssa_operands): Likewise.
9081 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9086 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9087 with a call expr to ...
9088 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9090 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9092 * tree-vrp.c (extract_range_from_assert): Remove special
9093 handling for types with super-types.
9095 2006-03-01 Ben Elliston <bje@au.ibm.com>
9097 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9098 and powerpc64-*-linux* configurations.
9099 * config/t-dfprules: New file.
9101 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9102 Compile dfp-bit.c from the source directory using -DWIDTH and
9103 $DFP_CFLAGS to control the compilation of that file, rather than
9104 generating width-specific versions in the build directory.
9105 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9106 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9108 2006-02-28 Zack Weinberg <zackw@panix.com>
9110 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9113 2006-02-28 Eric Christopher <echristo@apple.com>
9115 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9116 Set up IN_LIBGCC definition of TARGET_64BIT.
9117 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9119 2006-02-28 Roger Sayle <roger@eyesopen.com>
9122 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9123 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9124 cases via the construction of "expr != 0".
9126 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9128 * alias.c (alias_invariant, alias_invariant_size): Remove.
9129 (record_base_value): Remove.
9130 (memrefs_conflict_p): Don't look at alias_invariant.
9131 (end_alias_analysis): Don't free it.
9132 * alias.h (record_base_value): Remove prototype.
9134 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9135 Adam Nemet <anemet@caviumnetworks.com>
9137 * rtl.h (truncated_to_mode): Declare it.
9138 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9139 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9140 (RTL_HOOKS_INITIALIZER): Include it.
9141 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9142 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9143 reg_truncated_to_mode.
9144 * rtlanal.c (truncated_to_mode): Define it.
9145 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9147 2006-02-28 Jeff Law <law@redhat.com>
9149 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9150 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9151 the range allowed by TYPE_PRECISION.
9153 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9155 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9157 PR tree-optimization/26419
9158 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9161 2006-02-27 Zack Weinberg <zackw@panix.com>
9163 * doc/md.texi: Fix typo in previous change.
9165 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9169 2006-02-27 Zack Weinberg <zackw@panix.com>
9171 * rtl.def (define_constraint, define_register_constraint)
9172 (define_memory_constraint, define_address_constraint): New MD forms.
9173 * gensupport.c (process_rtx): Put define_constraint etc on the
9175 * genpreds.c (process_define_predicate): Adjust comment. Validate
9176 the name, and call validate_exp to validate the expression.
9177 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9178 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9179 all callers changed.
9180 (validate_exp, needs_variable, struct constraint_data)
9181 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9182 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9183 (const_dbl_constraints, constraint_max_namelen)
9184 (have_register_constraints, have_memory_constraints)
9185 (have_address_constraints, have_address_constraints)
9186 (have_extra_constraints, have_const_int_constraints)
9187 (have_const_dbl_constraints, mangle, add_constraint)
9188 (process_define_constraint, process_define_register_constraint)
9189 (write_enum_constraint_num, write_lookup_constraint)
9190 (write_insn_constraint_len, write_regclass_for_constraint)
9191 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9192 (write_insn_extra_memory_constraint)
9193 (write_insn_extra_address_constraint)
9194 (write_satisfies_constraint_fns): New.
9195 (write_tm_preds_h): If we have new-style constraint definitions,
9196 prototype the functions generated from them, and define the
9197 old constraint interface (still used by generic code) in terms of
9199 (write_insn_preds_c): If we have new-style constraint definitions,
9200 generate all relevant functions from those definitions.
9201 (main): Handle define_constraint etc.
9202 * genoutput.c (struct constraint_data, indep_constraints)
9203 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9204 (mdep_constraint_len): New data structures and functions, defined
9205 #ifdef USE_MD_CONSTRAINTS.
9206 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9207 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9208 use new logic to validate operand constraints against constraint
9210 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9212 * defaults.h: If none of the old-style constraint macros are
9213 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9214 old-style macros; and poison REG_CLASS_FROM_LETTER,
9215 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9217 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9218 * doc/md.texi: Document new constraint-definition mechanism and the
9219 C interface it provides. Remove references to old mechanism
9220 elsewhere in the document.
9221 (Machine Constraints): Use pathnames relative to gcc directory,
9222 i.e. config/ARCH/FILE. Change i386 section to refer to
9223 config/i386/predicates.md; update that section to match docstrings.
9224 * doc/tm.texi: Move all documentation of the old constraint-
9225 definition macros to their own section, clearly mark as obsolete.
9227 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9228 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9230 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9231 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9232 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9234 (splits and peepholes): Use satisfies_constraint_*.
9235 * config/i386/i386.c (memory_address_length)
9236 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9238 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9240 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9241 scalar operation to be put back into the loop.
9243 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9246 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9247 (extract_cie_info): Handle S flag in augmentation string.
9248 (execute_cfa_program): If context->signal_frame, execute also
9249 fs->pc == context->ra instructions.
9250 (uw_frame_state_for): If context->signal_frame, don't subtract one
9251 from context->ra to find FDE.
9252 (uw_update_context_1): Set context->signal_frame to
9254 (_Unwind_GetIPInfo): New function.
9255 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9256 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9258 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9259 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9260 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9261 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9262 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9263 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9264 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9265 x86_64_fallback_frame_state): Set fs->signal_frame.
9266 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9267 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9268 (frob_update_context): Likewise. Workaround missing S flag in
9269 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9270 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9271 Remove the psw_addr + 1 hack.
9273 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9275 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9276 with aggregates here.
9277 (find_func_aliases): Remove code for &<aggregate> from here.
9279 2006-02-26 Roger Sayle <roger@eyesopen.com>
9281 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9282 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9283 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9286 2006-02-26 Roger Sayle <roger@eyesopen.com>
9289 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9291 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9293 * opts.c (decode_options): Do not handle flag_strength_reduce.
9294 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9295 and OPT_fstrength_reduce.
9296 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9297 flag_prefetch_loop_arrays for being nonzero.
9298 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9300 (fprefetch-loop-arrays-rtl): Removed.
9301 (flag_prefetch_loop_arrays): Do not specify the value.
9303 * doc/passes.texi: Update documentation of loop optimizer
9305 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9306 -frerun-loop-opt): Remove.
9308 2006-02-26 Richard Guenther <rguenther@suse.de>
9310 PR tree-optimization/26421
9311 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9312 in function calls that are ADDR_EXPRs as using the whole structure.
9314 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9316 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9317 * tree-pass.h (pass_loop_optimize): Remove.
9318 * passes.c (pass_loop_optimize): Never run it.
9319 * toplev.c (backend_init): Don't call init_loop.
9320 * opts.c (flag_loop_optimize_set): Remove.
9321 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9322 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9323 the old RTL loop optimizer when profiling enabled.
9324 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9325 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9326 pre-headers for the sake of the old RTL loop optimizer.
9327 * Makefile.in: Remove all references to loop.o.
9329 * doc/invoke.texi: Remove all references to -floop-optimize
9330 and -frerun-loop-opt.
9332 2006-02-26 Zack Weinberg <zackw@panix.com>
9334 * doc/md.texi (Machine Constraints): Refer to all files with paths
9335 relative to gcc directory (i.e. config/CPU/file). Add missing
9336 @table @code ... @end table to M32C subsection.
9338 2006-02-26 Roger Sayle <roger@eyesopen.com>
9340 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9342 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9344 2006-02-26 Roger Sayle <roger@eyesopen.com>
9345 James A. Morrison <phython@gcc.gnu.org>
9348 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9349 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9350 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9351 signedness of the shift operation.
9353 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9355 PR tree-optimization/26359
9356 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9358 2006-02-25 Roger Sayle <roger@eyesopen.com>
9360 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9361 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9362 as X == 0, and some symmetry related transformations.
9363 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9365 2006-02-25 Roger Sayle <roger@eyesopen.com>
9368 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9369 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9370 symmetry related transformations. Fold (X^C1) == C2 as
9373 2006-02-25 Juergen Weigert <jw@suse.de>
9374 Richard Guenther <rguenther@suse.de>
9376 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9378 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9380 * combine.c (gen_lowpart_or_truncate): Call
9381 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9383 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9385 * doc/invoke.texi: Move -fopenmp description to "Options for
9387 Remove reference to -lgomp.
9389 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9391 * doc/install.texi: Require GNU tar version 1.14.
9393 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9395 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9396 * doc/invoke.texi (C++ Dialect Options): Document
9397 -fno-use-cxa-get-exception-ptr.
9398 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9399 * configure: Regenerate.
9400 * c.opt (fuse-cxa-get-exception-ptr): New.
9401 * c-opts.c (c_common_handle_option): Handle
9402 OPT_fuse_cxa_get_exception_ptr.
9403 * c-common.c (flag_use_cxa_atexit): Update documentation.
9404 (flag_use_cxa_get_exception_ptr): New.
9405 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9406 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9408 (C_COMMON_OVERRIDE_OPTIONS): New.
9410 2006-02-24 Roger Sayle <roger@eyesopen.com>
9413 * combine.c (try_combine): Explicitly check whether GET_CODE is
9414 a SET or a CLOBBER, instead on checking that it isn't a USE.
9416 2006-02-24 Roger Sayle <roger@eyesopen.com>
9418 * fold-const.c (fold_comparison): New subroutine of fold_binary
9419 containing transformations common to both the equality and
9420 ordering relational operators, factored out of fold_binary.
9421 (fold_binary): Separate out the equality operators (EQ_EXPR
9422 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9423 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9424 transformations common to both.
9425 (fold_div_compare): Fix latent bugs in the previously unreachable
9426 LT_EXPR and GE_EXPR cases.
9428 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9430 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9431 decl libname for clog to __clog on AIX.
9433 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9435 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9438 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9439 output traceback table for thunks. Localise rs6000_stack_info call.
9441 2006-02-23 Roger Sayle <roger@eyesopen.com>
9442 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9444 * gthr-posix.h (__gthrw): Fix typo in comment.
9446 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9448 * doc/cpp.texi (Character sets): Document that we do support
9449 input files to be in any character set.
9451 2006-02-23 Jeff Law <law@redhat.com>
9453 * tree.h (PHI_ARG_NONZERO): Remove.
9454 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9455 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9456 node to the new node.
9458 PR tree-optimization/26425
9459 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9460 min/max, then assume its varying.
9462 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9464 PR rtl-optimization/26316
9465 * rtlanal.c (enum may_trap_p_flags): New.
9466 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9467 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9468 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9469 (may_trap_after_code_motion_p): New function.
9470 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9471 (find_invariant_insn): Use may_trap_after_code_motion_p.
9472 * rtl.h (may_trap_after_code_motion_p): Declare.
9474 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9476 * emit-rtl.c (immed_double_const): Cleanup.
9478 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9480 Fix PR tree-optimization/26376
9481 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9484 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9487 * gimplify.c (omp_add_variable): Guard variable size decl test with
9488 DECL_SIZE (decl) check.
9490 2006-02-23 Richard Guenther <rguenther@suse.de>
9493 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9494 like aggregate types.
9496 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9498 * configure.ac: Add --with{,out}-long-double-128 configure option.
9499 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9500 * configure: Rebuilt.
9501 * config.in: Rebuilt.
9502 * doc/install.texi (Options specification): Document
9503 --with-long-double-128.
9505 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9506 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9507 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9508 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9510 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9512 * config/s390/s390.c (override_options): Handle
9513 TARGET_DEFAULT_LONG_DOUBLE_128.
9515 * config/alpha/alpha.c (override_options): Handle
9516 TARGET_DEFAULT_LONG_DOUBLE_128.
9518 * config/sparc/sparc.c (sparc_override_options): Handle
9519 TARGET_DEFAULT_LONG_DOUBLE_128.
9521 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9523 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9524 (real-install-headers-tar, real-install-headers-cpio)
9525 (real-install-headers-cp): New targets.
9527 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9529 * tree.h (variable_section): Delete.
9530 * varasm.c (variable_section): Delete.
9532 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9534 * install.texi: Add notes on install.texi2html.
9535 (Building in parallel): Do not use footnotes.
9537 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9540 * doc/install.texi (Configuration): Document --disable-libgomp.
9542 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9544 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9546 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9548 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9549 (vec_extractv2df_0_sse): New.
9551 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9553 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9554 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9555 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9556 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9557 to the result of the expression.
9558 (def_cfa_1): Adjust.
9559 (frame_pointer_cfa_offset): Rename to...
9560 (frame_pointer_fb_offset): ... this. Adjust all uses.
9561 (convert_cfa_to_loc_list): Rename to...
9562 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9563 Pass it on to build_cfa_loc.
9564 (compute_frame_pointer_to_cfa_displacement): Rename to...
9565 (compute_frame_pointer_to_fb_displacement): ... this. New
9566 offset parameter. Use it in computation.
9567 (gen_subprogram_die): Compute cfa_fb_offset with the new
9568 macro, and use it to compute the fb loc list and the
9571 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9573 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9574 replaced with register_operand.
9575 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9576 non-DREG is expensive.
9577 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9578 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9581 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9583 * doc/install.texi2html: Use set -e.
9585 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9587 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9588 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9589 * doc/invoke.texi (-fshared-data): Delete.
9590 * common.opt (fshared-data): Delete.
9591 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9592 (assemble_static_space): Remove #if 0 code.
9593 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9594 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9595 * config/cris/cris.h: Remove FIXME.
9597 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9599 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9602 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9605 * combine.c (simplify_shift_const_1): Disable nested shifts
9606 optimization for vector shifts.
9608 2006-02-20 Roger Sayle <roger@eyesopen.com>
9610 PR tree-optimization/26361
9611 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9612 of unsigned integer types.
9614 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9616 * tree-chrec.c (eq_evolutions_p): New.
9617 * tree-chrec.h (eq_evolutions_p): Declared.
9618 * tree-data-ref.c: Fix formatting.
9619 (datadep_stats, dependence_stats): New.
9621 (print_direction_vector): New.
9622 (dump_data_dependence_relation): Use print_direction_vector.
9623 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9624 (compute_subscript_distance): Static.
9625 (initialize_data_dependence_relation): Static. Get the number
9626 of loops surrounding the references from the callers, and initialize
9627 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9628 base_object_differ_p analyzers.
9629 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9630 compute_overlap_steps_for_affine_1_2,
9631 analyze_subscript_affine_affine): Count the classified dependences.
9632 Print a message when a test failed.
9633 (can_use_analyze_subscript_affine_affine): New.
9634 (analyze_siv_subscript): Compute the data dependences on symbolic
9635 scevs that verify can_use_analyze_subscript_affine_affine.
9636 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9637 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9638 Handle symbolic scevs.
9639 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9641 (subscript_dependence_tester): Moved...
9642 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9643 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9644 DDR_SIZE_VECT instead of getting it in parameter.
9645 (subscript_dependence_tester): ... here. Take as a parameter
9646 loop_nest_depth. Call build_classic_dist_vector and
9647 build_classic_dir_vector.
9648 (compute_affine_dependence): Update subscript_dependence_tester
9649 parameters. Update datadep_stats counters. Call
9650 compute_subscript_distance.
9651 (compute_self_dependence): Save the dist and dir vectors. Call
9652 compute_subscript_distance.
9653 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9654 (compute_all_dependences): Reorder parameters as they were before
9655 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9656 compute_subscript_distance. Update the use of
9657 compute_affine_dependence and initialize_data_dependence_relation.
9658 (find_data_references_in_loop): Handle COMPONENT_REF.
9659 (compute_data_dependences_for_loop): Initialize dependence_stats.
9660 Don't call build_classic_dist_vector and build_classic_dir_vector.
9661 Update the parameters of initialize_data_dependence_relation and
9662 compute_all_dependences. Print the statistics from datadep_stats.
9663 (analyze_all_data_dependences): Static. Not used until the pass for
9664 checking the data dependences is contributed.
9665 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9666 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9667 (initialize_data_dependence_relation, compute_affine_dependence,
9668 analyze_all_data_dependences, compute_subscript_distance): Removed.
9669 (print_direction_vector): New.
9670 * lambda.h (gcd): ... here.
9671 (lambda_vector_gcd): Moved here from gcd_vector.
9672 * lambda-code.c (gcd, gcd_vector): Removed.
9673 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9674 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9676 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9678 * ipa-type-escape.c: Tidy some comments and white space.
9679 * tree-ssa-operands.c: Likewise.
9681 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9684 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9685 (dump_decl_name): Do not walk the decl tree chains.
9686 * tree-pass.h (TDF_CHAIN): Remove.
9688 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9690 * Makefile.in (C): Remove
9692 (.PHONY): Remove C and PROTO
9694 2006-02-20 Roger Sayle <roger@eyesopen.com>
9697 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9698 deprecated CHAR_TYPE tree code.
9700 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9702 * configure.ac (target_list): Add install-info, dvi, html.
9703 * configure: Regenerate.
9705 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9706 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9707 treelang/Make-lang.in: Do not use double-colon rules.
9709 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9711 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9712 (TMT_USED_ALONE): New macro.
9713 * tree-pass.h (PROP_tmt_usage): New property.
9714 (TODO_update_tmt_usage): New todo.
9715 * tree-ssa-alias.c (updating_used_alone): New variable.
9716 (recalculate_used_alone): New function.
9717 (compute_may_aliases): Set updating_used_alone, call
9718 recalculate_used_alone.
9719 * tree-sra.c (pass_sra): Note that this pass destroys
9720 PROP_tmt_usage, and add TODO_update_tmt_usage.
9721 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9722 * tree-flow.h (updating_used_alone): Prototype.
9723 (recalculate_used_alone): Ditto.
9724 * passes.c (execute_todo): Add code to set updating_used_alone,
9725 and call recalculate.
9726 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9727 for clobber if used alone, and add assert to verify used_alone
9730 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9732 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9733 for non tls symbols added.
9734 (legitimize_address): Do nothing for PLUS expressions if one of the
9735 addends is a tls symbol reference.
9737 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9741 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9743 * Makefile.in (BOOTSTRAPPING): New.
9744 (quickstrap): New definition if BOOTSTRAPPING=yes.
9746 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9747 * configure.ac: Substitute all_selected_languages with the languages
9748 that were configured. For all the other variables except
9749 lang_specs_files, include all the languages in the tree.
9750 * configure: Regenerate.
9752 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9753 if there is one. Run the commands to run fixincludes in the same
9756 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9757 * doc/install.texi: Document exact conventions for searching target tools.
9758 Document --with-build-time-tools. Document toplevel bootstrap. Document
9759 something more about building an Ada cross-compiler. Don't list GNU Make
9760 requirements which affect all platforms.
9762 2006-02-19 Roger Sayle <roger@eyesopen.com>
9765 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9766 only equivalent if the have both the same mode and precision.
9768 2006-02-20 Ben Elliston <bje@au.ibm.com>
9770 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9772 2006-02-19 Roger Sayle <roger@eyesopen.com>
9773 Steven Bosscher <stevenb.gcc@gmail.com>
9775 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9776 constant pool references to identify stack mode constants.
9777 * rtlanal.c (constant_pool_constant_p): New predicate to check
9778 whether operand is a floating point constant in the pool.
9779 * rtl.h (constant_pool_constant_p): Prototype here.
9780 * loop.c (scan_loop): Avoid hoisting constants from the constant
9781 pool on STACK_REGS targets.
9782 (load_mems): Likewise.
9783 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9784 loads into x87 registers expensive in terms of register pressure.
9786 2006-02-19 Roger Sayle <roger@eyesopen.com>
9788 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9789 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9791 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9793 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9794 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9796 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9798 * doc/invoke.texi: Document -fipa-pta.
9799 * common.opt: Add ipa-pta option.
9800 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9801 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9802 (do_ds_constraint): Ditto.
9803 (get_constraint_for): Only add to referenced_vars if
9804 referenced_vars exists.
9805 (insert_into_field_list): Rewrite to do this unsorted.
9806 (insert_into_field_list_sorted): Rename old insert_into_field_list
9808 (create_function_info_for): Use insert_into_field_list_sorted.
9809 (create_variable_info_for): Rewrite so it uses unsorted version,
9810 since the field list is sorted.
9811 (intra_create_variable_infos): Only add to referenced_vars if
9812 referenced_vars exists.
9813 (ipa_pta_execute): Init heapvars, and delete when done.
9814 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9816 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9818 * doc/install.texi: Add missing `@samp'.
9820 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9822 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9825 2006-02-18 Mark Wielaard <mark@klomp.org>
9827 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9828 who added new 4.1 features, bug fixes and integration support.
9830 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9833 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9836 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9838 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9839 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9840 (copy_insn_1): Likewise. Don't copy each field individually.
9842 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9844 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9845 * rtl.c (rtx_size): Rename variable to...
9846 (rtx_code_size): ...this.
9847 (rtx_size): New function.
9848 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9849 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9851 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9852 * rtl.h (rtx_code_size): New variable.
9853 (rtx_size): Change from a variable to a function.
9854 (RTX_SIZE): Rename to...
9855 (RTX_CODE_SIZE): ...this.
9858 PR tree-optimization/17106
9859 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9860 (Anchored Addresses): New section.
9861 * doc/invoke.texi (-fsection-anchors): Document.
9862 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9863 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9864 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9865 * hooks.c (hook_bool_mode_rtx_false): New function.
9866 * hooks.h (hook_bool_mode_rtx_false): Declare.
9867 * gengtype.c (create_optional_field): New function.
9868 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9869 SYMBOL_REF_IN_BLOCK_P is true.
9870 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9871 (min_anchor_offset, max_anchor_offset): Likewise.
9872 (use_anchors_for_symbol_p): New hook.
9873 * toplev.c (compile_file): Call output_object_blocks.
9874 (target_supports_section_anchors_p): New function.
9875 (process_options): Check that -fsection-anchors is only used on
9876 targets that support it and when -funit-at-a-time is in effect.
9877 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9878 if the decl doesn't have one.
9879 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9880 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9881 of force_const_mem through use_anchored_address.
9882 (expand_expr_constant): New function.
9883 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9884 calling expand_expr for INDIRECT_REF.
9885 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9886 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9887 * expr.h (use_anchored_address): Declare.
9888 * loop-unroll.c: Don't declare rtx vectors here.
9889 * explow.c: Include output.h.
9890 (validize_mem): Call use_anchored_address.
9891 (use_anchored_address): New function.
9892 * common.opt (-fsection-anchors): New switch.
9893 * varasm.c (object_block_htab, anchor_labelno): New variables.
9894 (hash_section, object_block_entry_eq, object_block_entry_hash)
9895 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9896 (use_blocks_for_decl_p, change_symbol_section): New functions.
9897 (get_variable_section): New function, split out from assemble_variable.
9898 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9899 use_blocks_for_decl_p say so. Use change_symbol_section if the
9900 symbol has already been created.
9901 (assemble_variable_contents): New function, split out from...
9902 (assemble_variable): ...here. Don't output any code for
9903 block symbols; just pass them to place_block_symbol.
9904 Use get_variable_section and assemble_variable_contents.
9905 (get_constant_alignment, get_constant_section, get_constant_size): New
9906 functions, split from output_constant_def_contents.
9907 (build_constant_desc): Create a block symbol if use_object_blocks_p
9908 says so. Or into SYMBOL_REF_FLAGS.
9909 (assemble_constant_contents): New function, split from...
9910 (output_constant_def_contents): ...here. Don't output any code
9911 for block symbols; just pass them to place_section_symbol.
9912 Use get_constant_section and get_constant_alignment.
9913 (force_const_mem): Create a block symbol if use_object_blocks_p and
9914 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9915 (output_constant_pool_1): Add an explicit alignment argument.
9916 Don't switch sections here.
9917 (output_constant_pool): Adjust call to output_constant_pool_1.
9918 Switch sections here instead. Don't output anything for block symbols;
9919 just pass them to place_block_symbol.
9920 (init_varasm_once): Initialize object_block_htab.
9921 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9922 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9923 (place_block_symbol, get_section_anchor, output_object_block)
9924 (output_object_block_htab, output_object_blocks): New functions.
9925 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9926 (TARGET_ASM_OUT): Include it.
9927 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9928 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9929 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9930 (TARGET_INITIALIZER): Include them.
9931 * rtl.c (rtl_check_failed_block_symbol): New function.
9932 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9933 (block_symbol, object_block): New structures.
9934 (rtx_def): Add a block_symbol field to the union.
9935 (BLOCK_SYMBOL_CHECK): New macro.
9936 (rtl_check_failed_block_symbol): Declare.
9937 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9938 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9939 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9940 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9941 * output.h (output_section_symbols): Declare.
9942 (object_block): Name structure.
9943 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9944 (default_use_anchors_for_symbol_p): Declare.
9945 * Makefile.in (RTL_BASE_H): Add vec.h.
9946 (explow.o): Depend on output.h.
9947 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9948 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9949 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9950 (rs6000_use_blocks_for_constant_p): New function.
9952 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9954 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9956 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9959 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9962 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9964 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9968 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9971 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9972 instead of DECL_REGISTER.
9974 2006-02-18 Olivier Hainque <hainque@adacore.com>
9977 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9979 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9982 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9983 * opth-gen.awk: Handle Var and InverseMask together.
9984 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9985 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9986 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9987 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9989 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9990 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9991 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9992 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9993 LINUX_DYNAMIC_LINKER): Define.
9994 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9995 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9997 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9998 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9999 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10000 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10001 (TARGET_C99_FUNCTIONS): Don't define.
10002 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10003 GLIBC_DYNAMIC_LINKER.
10004 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10005 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10006 GLIBC_DYNAMIC_LINKER64): Define.
10007 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10008 LINUX_DYNAMIC_LINKER64.
10009 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10010 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10011 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10012 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10013 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10014 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10015 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10016 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10017 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10019 and LINUX_DYNAMIC_LINKER32.
10020 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10021 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10022 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10023 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10024 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10026 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10027 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10028 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10029 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10030 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10031 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10032 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10033 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10034 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10035 LINUX_DYNAMIC_LINKER): Define.
10036 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10037 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10038 GLIBC_DYNAMIC_LINKER64): Define.
10039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10040 LINUX_DYNAMIC_LINKER64.
10041 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10042 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10043 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10044 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10045 LINUX_DYNAMIC_LINKER): Define.
10046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10047 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10048 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10049 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10050 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10051 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10052 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10053 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10054 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10055 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10057 * doc/invoke.texi (-muclibc): Remove caveat about supported
10060 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10062 * doc/cpp.texi (__TIMESTAMP__): Document.
10064 2006-02-17 Roger Sayle <roger@eyesopen.com>
10066 PR middle-end/25600
10067 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10068 C is one less than the width of X (and related transformations).
10069 * simplify-rtx.c (simplify_unary_operation_1): Transform
10070 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10071 depending on STORE_FLAG_VALUE, were C is one less then the
10074 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10076 Fix PR tree-optimization/26341
10077 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10078 about NAME_MEMORY_TAG's.
10080 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10083 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10084 with hardware float support, and software float support. Add fcpy
10085 alternative to hardware patterns. Add alternatives to copy between
10086 general and floating-point registers to the 32-bit pattern.
10087 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10088 secondary reload to load a QI or HI mode constant into a floating
10090 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10091 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10093 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10096 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10098 (load_macho_picbase_di): Likewise.
10100 2006-02-16 Jeff Law <law@redhat.com>
10102 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10103 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10104 (ssa_name_nonzero_p): Likewise.
10105 (get_value_range): Return NULL if VRP is not running.
10106 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10107 VRP routines do not discover a range.
10108 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10109 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10110 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10111 (tree_expr_nonnegative_p): Similarly.
10112 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10113 (restore_nonzero_vars_to_original_value): Remove.
10114 (unsafe_associative_fp_binop): Remove.
10115 (tree_ssa_dominator_optimize): Remove initialization and
10116 finalization of nonzero_vars and nonzero_vars_stack.
10117 (dom_opt_initialize_block): No longer push marker on
10118 nonzero_vars_stack.
10119 (dom_opt_finalize_block): No longer call
10120 restore_nonzero_vars_to_original_value.
10121 (record_equivalences_from_phis): No longer look for
10122 nonzero PHI arguments.
10123 (cprop_into_successor_phis): No longer propagate nonzero
10124 property into PHI arguments. Lose unused argument. Caller
10126 (record_equivalences_from_stmt): No longer record nonzero
10127 values for SSA_NAMEs.
10128 (lookup_avail_expr): No longer use nonzero_vars.
10130 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10131 for sizetype when sizetype is unsigned.
10133 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10135 PR rtl-optimization/25603
10136 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10137 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10138 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10139 with new meaning of SETS.
10141 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10146 * config/linux.opt: New file.
10147 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10148 LINUX_DYNAMIC_LINKER): Define.
10149 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10150 * config.gcc (*-*-linux*): Define extra_options.
10151 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10152 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10153 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10154 GLIBC_DYNAMIC_LINKER.
10155 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10156 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10157 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10159 * doc/invoke.texi (GNU/Linux Options): New section.
10161 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10163 * config/sparc/sparc.md (setjmp): Rewrite.
10164 (setjmp_32): Delete.
10165 (setjmp_64): Likewise.
10167 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10169 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10172 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10174 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10177 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10179 PR rtl-optimization/26296
10180 * Makefile.in (loop-invariant.c): Add except.h dependency.
10181 * loop-invariant.c: Include except.h.
10182 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10184 2005-02-16 Paul Brook <paul@codesourcery.com>
10186 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10189 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10191 PR rtl-optimization/25636
10192 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10193 when deciding whether an insn is an initializing insn.
10195 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10197 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10198 (tree_code_size): Ditto.
10199 * tree.h (struct tree_memory_tag): Remove parent_var.
10200 (struct tree_struct_field_tag): New.
10203 (union tree_node): Add sft member.
10204 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10206 (create_sft): Add size and offset argument, set SFT_OFFSET and
10208 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10209 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10210 * tree-flow-inline.h (get_subvar_at): Update for
10211 SFT_OFFSET/SFT_SIZE.
10212 (var_can_have_subvars): Ditto.
10213 (overlap_subvar): Ditto.
10214 * print-tree.c (print_node): Print out interesting things for
10216 * tree-flow.h (struct subvar): Remove offset and size members.
10217 * tree-ssa-operands.c (get_expr_operands): Update for
10218 get_indirect_ref_operands changes.
10219 (get_indirect_ref_operands): Call add_virtual_operand instead of
10220 add_stmt_operand. Only recurse on base var if requested.
10221 (access_can_touch_variable): New function.
10222 (add_stmt_operand): Split virtual operand handling into ...
10223 (add_virtual_operand): Here. Add offset, size, and for_clobber
10224 arguments. Prune alias sets.
10225 (add_call_clobber_ops): Call add_virtual_operand.
10227 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10229 PR middle-end/26300
10230 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10232 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10233 than TREE_CODE as index into omp_clause_num_ops array.
10235 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10237 PR rtl-optimization/26184
10238 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10240 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10241 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10242 must_precede, must_follow and tobe_scheduled.
10245 * opts.c (common_handle_option): Free new_option pointer.
10246 * df-core.c (df_analyze): Free postorder pointer.
10248 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10250 * Makefile.in: Fix the examples about the use of stamps
10252 2006-02-15 Michael Matz <matz@suse.de>
10254 PR middle-end/22275
10256 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10257 influenced by maximum_field_alignment or DECL_PACKED.
10258 (update_alignment_for_field): Ditto.
10259 (place_field): Ditto.
10260 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10263 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10265 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10266 (debug_flow_info): Pass it.
10267 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10268 * bb-reorder.c (reorder_basic_blocks): Likewise.
10269 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10270 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10271 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10272 * gcse.c (gcse_main, bypass_jumps): Likewise.
10273 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10274 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10275 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10276 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10277 * rtl.h (dump_flow_info): Adjust prototype.
10278 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10279 * var-tracking.c (variable_tracking_main): Likewise.
10280 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10281 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10284 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10286 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10289 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10291 PR tree-optimization/26209
10292 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10293 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10295 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10297 2006-02-14 Roger Sayle <roger@eyesopen.com>
10299 PR middle-end/23670
10300 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10301 (X,Y) and the corresponding symmetry related transformations.
10302 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10303 (X,Y) and its symmetry related transformations.
10305 2006-02-14 Roger Sayle <roger@eyesopen.com>
10307 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10310 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10312 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10314 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10317 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10318 support COMDAT group.
10319 * configure: Regenerate.
10321 2006-02-14 Roger Sayle <roger@eyesopen.com>
10323 PR middle-end/26279
10324 PR middle-end/26280
10325 PR middle-end/26283
10326 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10328 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10330 Fix PR tree-optimization/26260
10332 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10334 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10335 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10336 * tree-ssa-structalias.c (create_variable_info_for): Use
10337 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10339 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10341 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10343 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10344 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10345 of the ending condition.
10346 * tree-ssa-loop-manip.c: Include params.h.
10347 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10348 tree_unroll_loop): New functions.
10349 * tree-pass.h (pass_loop_prefetch): Declare.
10350 * loop.c (rest_of_handle_loop_optimize): Test for
10351 -fprefetch-loop-arrays-rtl.
10352 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10353 * timevar.def (TV_TREE_PREFETCH): New timevar.
10354 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10355 pass_loop_prefetch): New.
10356 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10357 (cleanup_tree_cfg_loop): Call scev_reset.
10358 * common.opt (fprefetch-loop-arrays-rtl): Add.
10359 * tree-ssa-loop-prefetch.c: New file.
10360 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10361 (new_temp_expr_table): Initialize expr_vars.
10362 (free_temp_expr_table): Cleanup expr_vars.
10363 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10364 expressions from being merged into one.
10365 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10366 (struct tree_niter_desc): Add control, bound and cmp fields.
10367 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10369 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10370 (tree-cfgcleanup.o): Add SCEV_H dependency.
10371 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10372 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10374 2006-02-14 Richard Guenther <rguenther@suse.de>
10376 PR tree-optimization/26258
10377 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10378 in PHI argument processing.
10380 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10382 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10383 new expression in the requested machine mode.
10385 2006-02-13 Roger Sayle <roger@eyesopen.com>
10387 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10388 directly, instead let do_compare_rtx_and_jump handle this for us.
10389 * expr.c (expand_expr_real_1): Likewise.
10390 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10391 before do_jump_by_parts_greater.
10392 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10393 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10395 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10397 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10399 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10401 PR rtl-optimization/26235
10402 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10403 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10406 2006-02-13 Jeff Law <law@redhat.com>
10408 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10411 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10413 PR middle-end/26092
10414 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10415 twice if decl is a builtin. When trying again, call get_callee_fndecl
10416 first to verify it is still a builtin.
10418 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10420 * dwarf2out.c (base_type_die): Don't add AT_name here.
10421 (subrange_type_die): Don't add AT_name here.
10422 (modified_type_die): Rearrange code flow. Do add AT_name here.
10424 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10426 PR rtl-optimization/26247
10427 PR rtl-optimization/26248
10428 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10430 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10432 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10433 * config/fixtfdi.c: Likewise.
10434 * config/fixunstfdi.c: Likewise.
10435 * config/floatditf.c: Likewise.
10437 2006-02-13 Roger Sayle <roger@eyesopen.com>
10439 PR middle-end/24427
10440 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10441 into (X,C2) if C1 is a subset of the bits of C2. Transform
10442 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10444 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10446 2006-02-13 Josh Conner <jconner@apple.com>
10449 * varasm.c (function_section): Check for section name before
10450 calling select_section on targets that define
10451 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10452 unlikely_text_section instead of hot_function_section if
10453 first_function_block_is_cold.
10455 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10457 PR middle-end/25335
10458 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10460 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10462 PR rtl-optimization/26222
10463 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10464 after tree->rtl expansion.
10465 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10466 before passing it to emit_move_insn.
10468 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10470 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10472 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10473 Clarify documentation.
10474 * c-common.h (warn_write_strings): Remove.
10475 * c-common.c (warn_write_strings): Likewise.
10476 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10479 2006-02-12 Roger Sayle <roger@eyesopen.com>
10481 PR middle-end/25724
10482 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10483 (do_jump_parts_zero_rtx): New function renamed from
10484 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10485 (do_jump_parts_equality_rtx): New function split out from
10486 do_jump_parts_equality. Old implementation renamed as above.
10487 Call do_jump_parts_zero_rtx if either operand is zero.
10488 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10489 do all of the heavy lifting.
10490 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10491 calling either do_jump_by_parts_greater_rtx or
10492 do_jump_by_parts_equality_rtx.
10493 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10494 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10495 moved to do_compare_rtx_and_jump, call it directly.
10496 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10497 mode argument. Call do_compare_rtx_and_jump.
10498 (emit_case_nodes): Update calls to do_jump_if_equal.
10500 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10502 PR rtl-optimization/26225
10503 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10505 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10507 PR rtl-optimization/26232
10508 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10510 2006-02-11 Jason Merrill <jason@redhat.com>
10513 * tree-inline.c (declare_return_variable): Just don't use the
10514 modify target if it's a gimple complex reg and the return slot
10517 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10519 * doc/contrib.texi: Update my entry.
10521 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10523 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10525 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10527 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10530 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10532 * doc/invoke.texi (-floop-optimize2): Removed.
10533 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10534 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10535 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10536 * common.opt (floop-optimize2): Removed.
10537 (fmove-loop-invariants): Enabled by default.
10539 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10541 * tree-if-conv.c (combine_blocks): Free the result of
10542 get_loop_exit_edges.
10544 2006-02-10 Jeff Law <law@redhat.com>
10546 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10548 PR tree-optimization/26213
10549 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10550 loop trying to follow SSA_NAME_VALUE chains.
10552 2006-02-10 Richard Guenther <rguenther@suse.de>
10554 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10555 deal with structures that end in implicitly variable sized arrays.
10557 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10559 PR rtl-optimization/24762
10560 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10563 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10565 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10566 (struct ivopts_data): Add regs_used field.
10567 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10568 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10569 instead of loop_data->regs_used;
10570 (free_loop_data): Do not free aux fields for loops.
10571 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10572 and tree_ssa_iv_optimize_finalize.
10574 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10576 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10578 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10581 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10582 computing the effective result type.
10584 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10586 PR inline-asm/16194
10587 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10588 (tree_overlaps_hard_reg_set): Declare.
10589 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10590 type and signature to match function type expected by walk_tree.
10591 (tree_overlaps_hard_reg_set): New function.
10592 (decl_conflicts_with_clobbers_p): Rename to:
10593 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10594 Use tree_overlaps_hard_reg_set. Changed caller.
10595 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10596 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10597 * cris.c (cris_md_asm_clobbers): Likewise.
10599 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10601 * reload1.c (emit_input_reload_insns): Delete code that tries to
10602 inherit using find_equiv_reg.
10604 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10606 * c-common.h (flag_const_strings): Don't declare.
10607 * c-common.c (flag_const_strings): Remove.
10608 * c.opt (fconst_strings): Remove.
10609 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10610 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10611 (c_common_init_options): Don't set flag_const_strings.
10612 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10614 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10616 * arm.md (tlobits_cbranch): New pattern.
10617 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10618 testing a single bit.
10620 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10623 * tree-ssa-pre.c (create_component_ref_by_pieces):
10624 Handle RETURN_DECL like VAR_DECL.
10626 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10628 PR middle-end/26134
10629 * fold-const.c (fold_indirect_ref_1): Fold
10630 "*(foo *)&complexfoo" to "__real__ complexfoo"
10631 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10633 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10635 * tree-flow-inline.h (var_can_have_subvars):
10636 Volatile variables should not have subvariables.
10638 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10641 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10642 multiplying unsigned values.
10645 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10647 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10649 2006-02-08 Jason Merrill <jason@redhat.com>
10652 * tree.def: Elaborate on difference from MODIFY_EXPR.
10653 * doc/c-tree.texi (INIT_EXPR): Likewise.
10654 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10655 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10656 (gimplify_target_expr): Likewise.
10657 (gimplify_cond_expr): Remove target handling.
10658 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10659 (gimplify_expr): Clobber it here.
10660 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10661 Do return slot optimization if we have an INIT_EXPR.
10664 * tree-inline.c (declare_return_variable): Also clear
10665 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10668 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10670 PR middle-end/22439
10671 * gimplify.c (gimplify_one_sizepos): Fix typo.
10673 2006-02-08 Jeff Law <law@redhat.com>
10675 PR tree-optimization/21417
10676 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10677 across a backedge if the control statement at the end of the
10678 block is data dependent on other statements in the same block.
10679 (record_temporary_equivalences_from_stmts): Remove over-conservative
10680 test for threading across backedges.
10682 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10683 control statement, handle all three special cases in the same
10684 manner as they all have the same desired solution. No longer
10685 special case edge flag updating when the post dominator is
10688 2006-02-08 Roger Sayle <roger@eyesopen.com>
10690 * tree.def (CHAR_TYPE): Remove.
10691 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10692 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10693 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10694 (gen_string_type_die): Delete unreachable function.
10696 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10697 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10698 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10699 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10700 * builtins.c (type_to_class): Likewise.
10701 * fold-const.c (fold_convert, build_range_check,
10702 merge_ranges): Likewise.
10703 * expr.c (count_type_elements): Likewise.
10704 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10705 * stor-layout.c (layout_type): Likewise.
10706 * ipa-type-escape.c (type_to_consider): Likewise.
10707 * gimplify.c (omp_firstprivatize_type_sizes,
10708 gimplify_type_sizes): Likewise.
10709 * explow.c (promote_mode): Likewise.
10710 * tree-sra.c (is_sra_scalar_type): Likewise.
10711 * varasm.c (output_constant): Likewise.
10712 * tree-inline.c (remap_type_1): Likewise.
10713 * convert.c (convert_to_pointer, convert_to_real,
10714 convert_to_integer, convert_to_complex): Likewise.
10716 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10718 * df-scan.c (df_def_record_1): A set destination may
10719 be a parallel regardless of mode.
10721 2006-02-08 Roger Sayle <roger@eyesopen.com>
10724 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10725 * config/mips/_tilib.c: Remove.
10726 * config/fixtfdi.c: New libgcc source file.
10727 * config/fixunstfdi.c: New source file.
10728 * config/floatditf.c: New source file.
10729 * config/floatunditf.c: New souce file.
10730 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10731 files above instead of config/mips/_tilib.c.
10732 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10734 2006-02-08 Jeff Law <law@redhat.com>
10736 PR tree-optimization/26169
10737 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10740 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10742 * df.h (DF_REG_SIZE): Return the length of the initialized
10745 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10747 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10748 __muldf3): Return a correctly signed zero.
10750 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10752 * passes.c (register_one_dump_file): Accept the current properties
10753 instead of pass number. Adjust call to dump_register. Remove
10755 (register_dump_files): Now a wrapper around...
10756 (register_dump_files_1): ... this one. Do not modify the pass
10758 (next_pass_1): Cosmetic fix.
10759 (execute_todo): Keep second parameter only. Use curr_properties
10760 instead of fetching it from the pass structure. Check and set
10762 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10763 instead of fetching it from the pass structure. Fix calls to
10764 execute_todo. Update curr_properties and initialize .vcg RTL dump
10765 after running the pass. Reset last_verified.
10766 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10768 (FIRST_AUTO_NUMBERED_DUMP): New.
10769 (dump_register): Remove "num" parameter, assign it within the
10771 (get_dump_file_name): Modify template for dumps.
10772 * tree-dump.h (dump_register): Adjust prototype.
10773 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10774 (PROP_trees): Add PROP_gimple_lomp.
10775 (TODO_set_props): New.
10776 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10777 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10778 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10780 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10782 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10783 (sparc64-*-linux*): Likewise.
10784 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10785 * config/sparc/t-linux: New file.
10786 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10787 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10788 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10789 -m32 -mlong-double-128.
10791 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10792 * config/alpha/t-linux: New file.
10793 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10795 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10796 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10797 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10798 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10799 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10800 (CPP_ARCH32_SPEC): Remove.
10802 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10804 PR tree-optimization/26145
10805 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10808 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10811 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10812 >= 240000 when generating code for SOM runtime.
10813 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10814 to $$dyncall when generating code for SOM runtime..
10816 2006-02-07 Dirk Mueller <dmueller@suse.com>
10819 * doc/invoke.texi (-Wsequence-point): Update documentation
10820 that -Wsequence-point is implemented for C++ as well.
10822 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10824 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10825 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10826 (LIB_SPEC): Likewise.
10827 * doc/invoke.texi (SPARC options): Document -pthread.
10829 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10831 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10834 2006-02-07 Roger Sayle <roger@eyesopen.com>
10836 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10837 Correct comment describing BOOLEAN_TYPE.
10839 2006-02-07 Dirk Mueller <dmueller@suse.com>
10841 * c.opt: C++ frontend supports -Wdiv-by-zero.
10842 * c-opts.c (c_common_handle_option): Remove dead case.
10844 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10846 * configure.ac (TLS assembler check): Do not enable TLS by
10847 default on SPARC/Solaris before version 10.
10848 * configure: Regenerate.
10850 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10852 * doc/invoke.texi (xl-compat): Document conversion and support
10855 2006-02-07 Jeff Law <law@redhat.com>
10857 * tree-vrp.c (find_conditional_asserts): Update comments.
10858 (simplify_stmt_for_jump_threading): New.
10859 (identify_jump_threads, finalize_jump_threads): New.
10860 (vrp_finalize): Call identify_jump_threads.
10861 (execute_vrp): Call finalize_jump_threads.
10862 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10863 (vrp_element, vrp_data, vrp_element_p): Remove.
10864 (vrp_hash_elt, vrp_variables_stack): Remove.
10865 (vrp_hash, vrp_eq, record_range): Remove.
10866 (simplify_cond_and_lookup_avail_expr): Remove.
10867 (extract_range_from_cond): Remove.
10868 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10869 (simplify_stmt_for_jump_threading): New.
10870 (dom_thread_across_edge): New wrapper.
10871 (tree_ssa_dominator_optimize): No longer initialize or
10872 finalize any of the VRP datastructures. Remove iteration
10873 step and simplify as a result of removal of iteration step.
10874 (pass_dominator): Perform a cfg cleanup after DOM.
10875 (dom_opt_finalize_block): Use the new common routines
10876 for threading jumps. Simplify stack management slightly.
10877 No longer need to unwind VRP state.
10878 (record_equivalences_from_incoming_edge): No longer record
10880 (eliminate_redundant_computations): No longer call
10881 simplify_cond_and_lookup_avail_expr.
10882 * tree-flow.h (potentially_threadable_block): Prototype.
10883 (thread_across_edge): Likewise.
10884 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10885 (tree-ssa-threadedge.o): Add dependencies.
10886 * tree-ssa-threadedge.c: New file.
10887 * passes.c (init_optimization_passes): Merge PHIs before
10888 calling VRP. Run VRP again late in the SSA optimization pipeline.
10890 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10892 * df-core.c (df_set_blocks): Do not dereference function pointers.
10893 (df_finish1): Likewise.
10894 (df_hybrid_search_forward): Likewise.
10895 (df_hybrid_search_backward): Likewise.
10896 (df_iterative_dataflow): Likewise.
10897 (df_analyze_problem): Likewise.
10898 (df_compact_blocks): Likewise.
10899 (df_dump): Likewise.
10900 * df-scan.c (df_rescan_blocks): Likewise.
10901 (df_record_entry_block_defs): Likewise.
10903 * genconditions.c (write_conditions): Guard the definition of
10904 'insn_conditions' with the check on GCC version.
10905 (write_writer): Guard the traversal 'insn_conditions' with
10906 the check on GCC version.
10908 2006-02-07 Richard Guenther <rguenther@suse.de>
10912 2006-01-30 Richard Guenther <rguenther@suse.de>
10914 * gimplify.c (gimplify_target_expr): Handle easy cases
10915 without creating a temporary.
10917 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10919 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10920 use of float in probability computations. Use edge probabilities
10921 in place of statically computed probabilities.
10922 (min_spec_prob): New static variable.
10923 (schedule_insns): Initialize it.
10924 (GET_SRC_PROB): Removed.
10925 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10927 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10930 * config/ia64/unwind-ia64.c: Revert last change.
10931 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10932 (INCOMING_FRAME_SP_OFFSET): Define.
10934 2006-02-06 Roger Sayle <roger@eyesopen.com>
10936 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10938 2006-02-07 Ben Elliston <bje@au.ibm.com>
10940 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10941 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10942 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10943 (ix86_return_in_memory): Handle TDmode.
10944 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10945 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10947 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10949 * reorg.c (dbr_schedule): Use dump_file instead of file.
10951 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10954 * config/ia64/predicates.md (extr_len_operand): New predicate.
10955 * config/ia64/ia64.md (extv): Tighten constraints.
10957 (*tbit_and_2): Ditto.
10958 (*tbit_and_3): Ditto.
10959 (*tbit_or_2): Ditto.
10960 (*tbit_or_3): Ditto.
10961 (*bit_zero): Ditto.
10964 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10967 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10969 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10971 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10972 loop_optimizer_init and loop_optimizer_finalize
10973 * tree-ssa-sink.c (execute_sink_code): Ditto.
10974 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10975 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10976 tree_ssa_loop_done): Ditto.
10977 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10978 * sched-ebb.c: Include output.h.
10979 (schedule_ebbs): Do not use dump argument.
10980 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10981 * loop.c (loop_dump_stream): Removed.
10982 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10984 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10985 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10986 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10987 loop_iterations, strength_reduce, record_biv, record_giv,
10988 final_giv_value, check_final_value, check_ext_dependent_givs,
10989 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10990 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10991 dump_file instead of loop_dump_stream.
10992 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10993 argument dump_file.
10994 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10996 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10997 * haifa-sched.c: Include output.h
10998 (schedule_insns, sched_init): Do not use dump argument.
10999 * mode-switching.c (optimize_mode_switching): Ditto.
11000 * modulo-sched.c (stats_file): Removed.
11001 (print_node_sched_params): Do not call argument dump_file.
11002 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11003 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11005 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11007 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11008 rtl_loop_init, rtl_loop_done): Ditto.
11009 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11010 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11012 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11013 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11014 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11015 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11016 * emit-rtl.c (renumber_insns): Ditto.
11017 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11018 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11019 * regclass.c (regclass): Ditto.
11020 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11021 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11022 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11023 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11025 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11026 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11028 * gcse.c (gcse_file, debug_stderr): Removed.
11029 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11030 rest_of_handle_gcse): Do not use dump argument.
11031 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11032 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11033 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11034 compute_code_hoist_vbeinout, compute_code_hoist_data,
11035 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11036 compute_store_table, build_store_vectors, insert_insn_start_bb,
11037 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11038 store_motion): Use dump_file instead of gcse_file.
11039 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11040 * profile.c (profile_dump_file): Removed.
11041 (branch_prob): Use dump_file instead of profile_dump_file.
11042 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11044 * tree-ssa-copy.c (dump_copy_of): Ditto.
11045 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11046 dump file to life_analysis.
11047 * bt-load.c (branch_target_load_optimize): Ditto.
11048 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11050 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11051 regclass, dbr_schedule): Declaration changed.
11052 * sched-int.h (sched_init): Declaration changed.
11053 * tree-profile.c (tree_profile_dump_file): Removed.
11054 (tree_profile_hooks): Removed profile_dump_file hook.
11055 * rtl-profile (rtl_profile_dump_file): Removed.
11056 (rtl_profile_hooks): emoved profile_dump_file hook.
11057 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11059 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11060 * tree-cfg.c (build_tree_cfg): Ditto.
11061 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11062 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11063 Declaration changed.
11064 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11065 life_analysis and schedule_insns.
11066 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11068 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11070 * config/mips/mips.c (mips_reorg): Ditto.
11071 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11074 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11076 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11077 (s390_mangle_fundamental_type): New.
11078 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11081 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11082 (alpha_mangle_fundamental_type): New.
11083 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11086 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11088 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11090 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11091 (sparc_mangle_fundamental_type): New.
11093 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11095 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11096 (s390x-*-linux*): Likewise.
11097 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11098 * config/s390/t-linux: New file.
11100 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11102 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11103 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11105 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11107 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11108 (ANTIC_SAFE_LOADS): New macro.
11109 (find_or_generate_expression): Add prototype.
11110 (set_contains_value): Allow null set for sake of not always having
11111 to allocate ANTIC_SAFE_LOADS.
11112 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11113 Allow COMPONENT_REF too.
11114 (valid_in_set): Allow COMPONENT_REF.
11115 Check ANTIC_SAFE_LOADS too.
11116 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11117 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11119 (can_PRE_operation): Add COMPONENT_REF.
11120 (create_component_ref_by_pieces): New function.
11121 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11122 (insert_aux): Move AGGREGATE_TYPE_P check here.
11123 (compute_avail): Set bb local stmt uids.
11124 (pass_pre): Use TODO_update_ssa_only_virtuals.
11126 2006-02-06 Ben Elliston <bje@au.ibm.com>
11128 * configure.ac: Unconditionally disable decimal float by default.
11129 * configure: Regenerate.
11131 2006-02-06 Ben Elliston <bje@au.ibm.com>
11133 * read-rtl.c (read_name): Terminate reading on EOF.
11135 2006-02-06 Ben Elliston <bje@au.ibm.com>
11137 * dfp.c (decimal_real_arithmetic): Change second argument type
11138 from int to enum tree_code. Do not always return true, but now
11139 return result of any call to decimal_do helper functions.
11140 * dfp.h (decimal_real_arithmetic): Update prototype.
11142 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11144 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11146 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11149 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11152 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11154 * tree-vrp.c (cfg_loops): Removed.
11155 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11156 Use current_loops instead of cfg_loops. Pass flags to
11157 loop_optimizer_init.
11158 * cfgloopmanip.c (fix_loop_structure): Update only available
11160 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11161 loop_optimizer_init.
11162 * modulo-sched.c (build_loops_structure): Removed.
11163 (sms_schedule): Use loop_optimizer_init.
11164 * loop-init.c (loop_optimizer_init): Use flags to determine
11165 which properties of loops to prepare.
11166 (rtl_loop_init): Pass flags to loop_optimizer_init.
11167 * tree-ssa-sink.c (execute_sink_code): Ditto.
11168 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11169 * tree-ssa-pre.c (init_pre): Ditto.
11170 * cfgloop.h (LOOPS_NORMAL): New.
11171 (loop_optimizer_init): Declaration changed.
11173 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11175 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11176 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11178 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11180 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11182 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11183 * pa/t-pa64: Delete quadlib.c rule.
11184 * pa/x-ada: Revert last change.
11185 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11187 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11189 PR rtl-optimization/26087
11190 * rtlanal.c (canonicalize_condition): Do not cross basic block
11193 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11196 * config/ia64/ia64.c: Include debug.h.
11197 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11198 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11199 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11200 (process_epilogue, process_set, process_for_unwind_directive):
11201 Output unwind info only if requested. Add CFA info if requested.
11202 Add new arguments as needed. Adjust callers.
11203 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11205 (DWARF2_FRAME_INFO): Define to zero.
11206 * config/ia64/unwind-ia64.c: Remove code that compensated for
11207 the CFA offset error fixed above.
11208 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11209 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11210 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11211 -funwind-tables and -fexceptions to enable frame info.
11212 (dwarf2out_frame_init): Define initial CFA even if
11213 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11214 DWARF2_UNWIND_INFO is nonzero, not just defined.
11215 (dwarf2out_frame_finish): Output non-EH call frame info only
11216 if DWARF2_FRAME_INFO is nonzero.
11217 (convert_cfa_to_loc_list,
11218 compute_frame_pointer_to_cfa_displacement): Define even if
11219 unwind info is not supported.
11220 (gen_subprogram_die): Use the above unconditionally. Remove
11221 legacy alternate code.
11222 * toplev.c (compile_file): Compile in call to
11223 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11224 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11226 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11227 Jakub Jelinek <jakub@redhat.com>
11229 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11230 IBM extended float format long double as "g" on powerpc*-linux.
11232 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11235 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11236 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11238 2006-02-03 Jason Merrill <jason@redhat.com>
11241 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11243 PR middle-end/25977
11244 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11245 on the return slot if it's an NRV.
11247 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11249 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11250 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11251 rewrite_use): Do not handle USE_OUTER.
11252 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11253 add_iv_outer_candidates, may_replace_final_value,
11254 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11255 (find_interesting_uses_op): Functionality of
11256 find_interesting_uses_outer_or_nonlin moved here.
11257 (find_interesting_uses_outside): Use find_interesting_uses_op.
11259 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11262 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11264 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11265 Ulrich Weigand <uweigand@de.ibm.com>
11268 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11269 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11270 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11271 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11273 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11274 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11275 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11276 Define secondary reloads for TFmode moves.
11277 (constant_modes): Add TFmode.
11278 (NR_C_MODES): Set to 8.
11279 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11281 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11282 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11283 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11284 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11285 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11286 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11287 (FPR mode macro): Add TFmode.
11288 (DSF mode macro): New.
11289 (<de>, <dee> mode attributes): Removed.
11290 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11291 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11292 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11293 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11294 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11295 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11296 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11297 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11298 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11299 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11300 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11301 "*negabs<mode>2", "sqrt<mode>2"):
11302 Changed <de> to <xde>. R constraint replaced by <Rf>.
11303 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11305 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11306 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11307 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11309 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11310 "extenddftf2", "extendsftf2"): New expanders.
11311 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11312 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11313 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11314 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11316 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11317 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11318 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11319 __floatditf): Add a GCC_4.1.0 symbol version tag.
11320 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11323 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11326 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11327 Use targetm.binds_local_p instead of TREE_PUBLIC.
11329 2006-02-02 Roger Sayle <roger@eyesopen.com>
11331 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11332 on INTEGER_TYPEs to indicate that it denotes a character type.
11333 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11334 signed_char_type_node, unsigned_char_type_node and char_type_node.
11335 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11336 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11337 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11339 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11340 Daniel Berlin <dberlin@dberlin.org>
11342 * tree-tailcall.c (arg_needs_copy_p): New function.
11343 (eliminate_tail_call): Use arg_needs_copy_p.
11344 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11345 (add_virtual_phis): New function.
11347 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11349 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11350 #ignore instead of #scratch for %g7 .register directive.
11352 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11354 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11357 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11359 * flow.c (calculate_global_regs_live): Assert that there aren't any
11362 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11364 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11365 what its name says.
11366 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11367 bsi_after_labels iterator.
11368 * tree-if-conv.c (find_phi_replacement_condition,
11369 replace_phi_with_cond_modify_expr): Likewise.
11370 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11371 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11373 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11375 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11377 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11380 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11381 array after growing it.
11383 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11385 PR middle-end/24901
11386 * fold-const.c (fold_checksum_tree): Change type of buf.
11388 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11390 * reload.c (push_secondary_reload): Initialize t_icode.
11392 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11394 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11395 -msoft-float -mlong-double-128 only issue a warning, but don't
11396 swich to DFmode long double.
11398 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11400 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11401 has a constant equivalent, iterate over equivalents for arg0,
11402 calling simplify_relational_operation and if there's a result
11403 cheaper than X, apply fold_rtx and return the result.
11405 2006-02-01 Jan Hubicka <jh@suse.cz>
11407 * opts.c (no_unit_at_a_time_default): New global variable.
11408 (decode_options): Use it.
11409 * opts.h (no_unit_at_a_time_default): Declare.
11411 2006-02-01 Paul Brook <paul@codesourcery.com>
11413 * function.c (assign_parm_setup_reg): Use function argument promotion
11415 * expr.c (expand_expr_real_1): Use function argument promotion rules
11418 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11420 * gcc.c (process_command): Change j to 'unsigned int'.
11422 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11424 PR middle-end/26001
11425 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11426 Use the corrected index for the character
11427 out of the string constant.
11429 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11431 * mode-switching.c (optimize_mode_switching): Fix size
11432 allocated for bb_info[n_entities].
11434 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11436 * gcc.c (main): Correct type that is allocated for
11437 explicit_link_files.
11439 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11441 * config/s390/s390.c (init_alignment_context): Set
11442 ALIAS_SET_MEMORY_BARRIER on the MEM.
11443 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11445 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11447 PR middle-end/25933
11448 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11450 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11453 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11455 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11456 * regrename.c: Ditto.
11457 * tree-ssa-loop-im.c: Ditto.
11458 * tree-dump.c: Ditto.
11459 * tree-complex.c: Ditto.
11460 * genrecog.c: Ditto.
11461 * tree-ssa-threadupdate.c: Ditto.
11463 * java/class.c: Ditto.
11464 * java/jcf-parse.c: Ditto.
11465 * java/resource.c: Ditto.
11466 * java/except.c: Ditto.
11467 * java/jvspec.c: Ditto.
11468 * java/jcf-write.c: Ditto.
11469 * java/jcf-path.c: Ditto.
11470 * java/gjavah.c: Ditto.
11471 * java/zextract.c: Ditto.
11472 * java/jcf-io.c: Ditto.
11473 * java/jcf.h: Ditto.
11474 * java/buffer.c: Ditto.
11475 * java/lang.c: Ditto.
11476 * java/parse-scan.y: Ditto.
11477 * java/lex.c: Ditto.
11478 * java/lex.h: Ditto.
11479 * cfgloopmanip.c: Ditto.
11480 * postreload-gcse.c: Ditto.
11481 * tree-ssa-loop-manip.c: Ditto.
11482 * postreload.c: Ditto.
11483 * tree-ssa-loop-ch.c: Ditto.
11486 * cppspec.c: Ditto.
11487 * diagnostic.c: Ditto.
11489 * genoutput.c: Ditto.
11491 * cfghooks.c: Ditto.
11492 * cfgloopanal.c: Ditto.
11493 * objc/objc-act.c: Ditto.
11495 * genextract.c: Ditto.
11496 * genautomata.c: Ditto.
11497 * pretty-print.c: Ditto.
11498 * genemit.c: Ditto.
11499 * cgraphunit.c: Ditto.
11501 * df-scan.c: Ditto.
11502 * haifa-sched.c: Ditto.
11503 * dominance.c: Ditto.
11505 * tree-ssa-loop-ivopts.c: Ditto.
11506 * df-core.c: Ditto.
11507 * mode-switching.c: Ditto.
11508 * modulo-sched.c: Ditto.
11510 * ipa-pure-const.c: Ditto.
11512 * fix-header.c: Ditto.
11514 * tree-stdarg.c: Ditto.
11515 * ipa-utils.c: Ditto.
11516 * loop-init.c: Ditto.
11517 * ipa-inline.c: Ditto.
11518 * cfganal.c: Ditto.
11520 * alloc-pool.c: Ditto.
11521 * dwarf2out.c: Ditto.
11523 * genattrtab.c: Ditto.
11524 * tree-ssa-loop-ivcanon.c: Ditto.
11525 * predict.c: Ditto.
11526 * timevar.c: Ditto.
11528 * fortran/gfortranspec.c: Ditto.
11529 * regmove.c: Ditto.
11530 * local-alloc.c: Ditto.
11531 * langhooks.c: Ditto.
11532 * function.c: Ditto.
11533 * tree-vectorizer.c: Ditto.
11535 * ipa-type-escape.c: Ditto.
11537 * tree-if-conv.c: Ditto.
11538 * profile.c: Ditto.
11540 * tree-data-ref.c: Ditto.
11541 * loop-unroll.c: Ditto.
11542 * treelang/treetree.c: Ditto.
11544 * bt-load.c: Ditto.
11545 * ggc-common.c: Ditto.
11547 * coverage.c: Ditto.
11549 * tree-cfgcleanup.c: Ditto.
11550 * tree-ssa-pre.c: Ditto.
11551 * cfgcleanup.c: Ditto.
11552 * loop-invariant.c: Ditto.
11553 * loop-iv.c: Ditto.
11554 * ipa-prop.c: Ditto.
11555 * print-tree.c: Ditto.
11556 * conflict.c: Ditto.
11557 * ggc-page.c: Ditto.
11558 * sched-deps.c: Ditto.
11559 * regclass.c: Ditto.
11560 * tree-object-size.c: Ditto.
11561 * combine.c: Ditto.
11562 * bb-reorder.c: Ditto.
11563 * resource.c: Ditto.
11564 * var-tracking.c: Ditto.
11565 * cfgloop.c: Ditto.
11566 * df-problems.c: Ditto.
11567 * reg-stack.c: Ditto.
11569 * gccspec.c: Ditto.
11570 * sched-rgn.c: Ditto.
11571 * tree-ssa-structalias.c: Ditto.
11572 * tree-ssa-reassoc.c: Ditto.
11573 * config/darwin-c.c: Ditto.
11574 * config/darwin.c: Ditto.
11575 * config/arm/arm.c: Ditto.
11577 * collect2.c: Ditto.
11578 * reload1.c: Ditto.
11580 2006-01-31 Nicolas Pitre <nico@cam.org>
11582 * arm.md (smaxsi3): Make aware of smax_m1.
11585 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11587 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11589 2006-01-31 Richard Guenther <rguenther@suse.de>
11591 * doc/invoke.texi (-msselibm): Document.
11592 * target.h (expand_library_builtin): New target hook.
11593 * builtins.c (expand_builtin): Use expand_library_builtin.
11594 (default_expand_library_builtin): New function.
11595 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11596 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11597 (link_gcc_math_spec): Declare.
11598 (static_specs): Add link_gcc_math_spec.
11599 * expr.h (default_expand_library_builtin): Declare.
11600 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11601 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11602 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11603 * config/i386/i386.opt (msselibm): New target option.
11604 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11605 (ix86_init_sse_abi_builtins): New function.
11606 (ix86_expand_library_builtin): Likewise.
11607 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11608 (override_options): Handle error conditions wrt -msselibm.
11609 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11610 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11611 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11614 2006-01-31 Richard Guenther <rguenther@suse.de>
11615 Paolo Bonzini <bonzini@gnu.org>
11617 * doc/install.texi (--disable-libgcc-math): Document.
11619 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11621 * expr.h (expand_normal): new inline function.
11622 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11623 * dojump.c: use it.
11624 * dwarf2out.c: use it.
11627 * expmed.c: use it.
11628 * except.c: use it.
11629 * config/sparc/sparc.c: use it.
11630 * config/i386/i386.c: use it.
11631 * config/rs6000/rs6000.c: use it.
11632 * config/arm/arm.c: use it.
11633 * config/mips/mips.c: use it.
11634 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11636 2006-01-30 Roger Sayle <roger@eyesopen.com>
11638 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11639 argv to the appropriate type.
11641 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11643 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11646 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11649 * config/s390/s390.c (struct machine_function): New flag
11650 decomposed_literal_pool_addresses_ok_p.
11651 (s390_reorg): Set it before final stage of literal pool transforms.
11652 (s390_decompose_address): Only accept displacements of the form
11653 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11655 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11657 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11658 the comparison routine return.
11660 2006-01-30 Michael Matz <matz@suse.de>
11662 * global.c (find_reg): Only evict for global regs.
11663 Take n_refs into account and dump more info.
11665 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11668 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11669 (pragma_trap, pragma_nosave_low_regs): Likewise.
11670 (current_function_anonymous_args): Likewise.
11671 (sh_deferred_function_attributes): New variable.
11672 (sh_deferred_function_attributes_tail): Likewise.
11673 (print_operand): For '@', look up trap_exit attribute.
11674 (calc_live_regs): Look up trapa_handler attribute. For trapa
11675 handlers, save/restore fpscr, but don't do any other
11676 interrupt-specific saves.
11677 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11678 Fix check for partially saved registers to check for SHmedia.
11679 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11680 (sh_output_function_epilogue): Don't clear any of the removed
11682 (sh_insert_attributes): Don't check pragma_interrupt.
11683 Insert deferred attributes. Check that interrupt attribute is
11684 present for other attributes that require its presence.
11685 (sh_attribute_table): Add new attributes trapa_handler and
11687 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11688 Don't check for pragma_interrupt. Don't store argument.
11689 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11690 (sh_deferred_function_attributes): Declare.
11691 (sh_deferred_function_attributes_tail): Likewise.
11692 * sh.md (sp_switch_1): Add operand. Change generator caller.
11693 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11694 (*return_i): Don't use when trap_exit attribute is in effect.
11695 (*return_trapa): New insn pattern.
11696 * sh-c.c: New file.
11697 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11698 setting c_target_objs and cxx_target_objs.
11699 * t-sh: Add rule for sh-c.o.
11701 2006-01-30 Richard Guenther <rguenther@suse.de>
11704 * gimplify.c (gimplify_target_expr): Handle easy cases
11705 without creating a temporary.
11707 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11709 * vec.h (safe_grow): Remove duplicated line.
11711 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11714 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11715 (expand_omp): ... here.
11716 (expand_omp_parallel): Only remove barriers for combined
11717 parallel+workshare constructs.
11719 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11723 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11724 * tree.c (build_qualified_type): Chain the new type to the original
11725 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11726 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11727 (build_pointer_type_for_mode): Only return unqualified types.
11728 (build_reference_type_for_mode): Likewise.
11730 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11732 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11733 * Makefile.in (CXX_COMPAT_WARN): Define.
11734 * configure: Regenerate.
11736 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11739 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11742 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11744 * toplev.c: Fix thinko.
11746 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11747 Marcin Dalecki <martin@dalecki.de>
11749 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11750 (push_srcloc): Use XNEW.
11751 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11753 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11755 * df-core.c (df_set_blocks): Deleted all variable.
11757 2006-01-28 Ian Lance Taylor <ian@airs.com>
11759 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11760 cgraph_output_pending_asms.
11762 2006-01-28 Zack Weinberg <zackw@panix.com>
11764 * c.opt: Add -W(no-)overlength-strings.
11765 * doc/invoke.texi: Document it.
11766 * c-opts.c (c_common_handle_option): -pedantic implies
11767 -Woverlength-strings, if not explicitly disabled already.
11768 (c_common_post_options): -Woverlength-strings defaults to off, and
11769 is always off for C++.
11770 * c-common.c (fix_string_type): Issue warning about strings longer
11771 than is portable only if warn_overlength_strings. Rearrange code
11772 a little for clarity.
11773 * configure.in: Check for -Wno-overlength-strings as well before
11774 enabling -pedantic in stage 1.
11775 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11776 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11778 * genconditions.c (write_header, write_one_condition)
11779 (write_conditions, write_writer): Consolidate very long strings
11780 that were broken up to fit in C89 portable limit. Don't use
11781 printf when fputs will do.
11783 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11785 * combine.c (simplify_comparison <AND>): Check
11786 TRULY_NOOP_TRUNCATION before start using a subreg.
11788 * config/mips/mips.md (*branch_zero<mode>,
11789 *branch_zero<mode>_inverted, *branch_equality<mode>,
11790 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11791 Remove mode check from comparisons.
11793 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11795 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11797 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11799 * expmed.c (const_mult_add_overflow_p): Remove.
11800 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11802 * recog.c (validate_replace_rtx_subexp): Remove.
11803 * recog.h: Remove the prototype for
11804 validate_replace_rtx_subexp.
11806 * integrate.h: Remove the prototype for
11807 copy_decl_for_inlining.
11808 * rtl.h: Remove the prototype for mark_constant_function.
11809 * tree-vectorizer.h: Remove the prototype for
11810 vect_strip_conversion.
11812 * modulo-sched.c (create_partial_schedule,
11813 free_partial_schedule, reset_partial_schedule): Make them
11816 * hooks.c (hook_bool_rtx_int_false): Remove.
11817 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11819 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11821 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11822 and -mlong-double-128 are incompatible.
11823 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11824 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11825 (TARGET_LIBGCC2_CFLAGS): Define.
11826 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11827 (TARGET_LIBGCC2_CFLAGS): Same.
11828 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11830 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11833 * c-typeck.c (build_binary_op): Perform implicit casts of
11834 operands before shortening them.
11836 * cfgloopmanip.c (split_loop_bb): Remove.
11837 * cfgloop.h: Remove the prototype for split_loop_bb.
11839 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11840 * cfgloop.h: Remove the prototype for
11841 flow_loop_outside_edge_p.
11843 * emit-rtl.c (init_virtual_regs): Make it static.
11844 * function.h: Remove the prototype for init_virtual_regs.
11846 * recog.c (peephole2_optimize): Make it static.
11847 * recog.h: Remove the prototype for peephole2_optimize.
11849 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11851 * df-scan.c (df_record_entry_block_defs): Check if
11852 INCOMING_RETURN_ADDR_RTX is defined.
11854 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11855 Kenneth Zadeck <zadeck@naturalbridge.com>
11857 PR rtl-optimization/24762
11858 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11859 * targhooks.c (hook_void_bitmap): New hook prototype.
11860 * targhoohs.h (hook_void_bitmap): Ditto.
11861 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11862 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11863 * target.h (live_on_entry): New function pointer.
11864 * df-scan.c (df_all_hard_regs): Removed.
11865 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11866 (df_scan_free_internal): Added df->entry_block_defs.
11867 (df_scan_alloc): Ditto.
11868 (df_scan_dump): Ditto.
11869 (df_uses_record): Plumbed flag field properly thru calls.
11870 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11871 This part fixes PR24762.
11872 (df_bb_refs_record): Added code to make the frame and arg
11873 pointers live in EH blocks.
11874 (df_refs_record): Added call to df_record_entry_block_defs.
11875 (df_record_entry_block_defs): New function.
11876 * df-core.c: Added comments to describe new artifical defs.
11877 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11878 (entry_block_defs): New field in struct df.
11879 (df_all_hard_regs): Deleted.
11880 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11881 * df-problems.c (df_ru_bb_local_compute_process_def):
11882 Added code to handle artifical defs in the entry to a function.
11883 (df_ru_bb_local_compute): Ditto.
11884 (df_rd_bb_local_compute_process_def): Ditto.
11885 (df_rd_bb_local_compute): Ditto.
11886 (df_lr_bb_local_compute): Ditto.
11887 (df_ur_bb_local_compute): Ditto.
11888 (df_urec_bb_local_compute): Ditto.
11889 (df_chain_create_bb): Ditto.
11890 (df_ur_local_finalize): Removed entry.
11891 (df_urec_init): Ditto.
11892 (df_urec_local_finalize): Ditto.
11893 (df_ri_bb_compute): Added detection of last use of pseudos.
11894 * Makefile.in (df-scan.o): Updated dependencies.
11895 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11896 * config/mips/mips.c (mips_set_live_on_entry): Added.
11897 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11899 * dce.c (marked_insn_p): Added code to handle artifical defs.
11901 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11903 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11905 (_mm_cvtsi128_si64): Likewise.
11906 (_mm_cvtsd_si64): Likewise.
11907 (_mm_cvttsd_si64): Likewise.
11908 (_mm_cvtsi64_sd): Likewise.
11909 (_mm_cvtsi64_si128): Likewise.
11910 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11911 (_mm_cvtsi64_m64): Likewise.
11912 (_m_to_int64): Likewise.
11913 (_mm_cvtm64_si64): Likewise.
11914 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11915 (_mm_cvttss_si64): Likewise.
11916 (_mm_cvtsi64_ss): Likewise.
11917 (_mm_cvtss_f32): Likewise.
11919 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11921 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11922 for pragma redefine_extname.
11924 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11927 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11928 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11929 -mno-minimal-toc to previous content.
11930 (bispecs): Remove goal.
11931 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11932 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11933 compatibility aliases on powerpc-*-*gnu*.
11934 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11935 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11936 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11937 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11938 (ldblspecs): New goal.
11939 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11940 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11942 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11943 L_sf_to_tf or L_df_to_tf is defined.
11945 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11946 Alan Modra <amodra@bigpond.net.au>
11949 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11950 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11951 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11952 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11953 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11954 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11955 (rs6000_override_options): Initialize rs6000_ieeequad.
11956 Initialize TFmode format to ibm_extended_format if not
11958 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11960 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11961 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11962 (function_arg_advance): IBM long double passed in two FPRs, not
11964 (function_arg): IBM long double passed in FPRs.
11965 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11966 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11967 Only multireg GPR aligned.
11968 (rs6000_init_libfuncs): Enable IBM long double functions if not
11970 (rs6000_generate_compare): Use IBM long double compare if not
11972 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11973 (TARGET_IEEEQUAD): Define.
11974 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11975 not TARGET_IEEEQUAD.
11976 * config/rs6000/rs6000.md: Enable TFmode patterns if
11978 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11979 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11980 and -mlong-double-128 are incompatible.
11981 * doc/invoke.texi (-mabi): Collect options together. Add
11982 ibmlongdouble and ieeelongdouble.
11984 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11986 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11988 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11989 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11990 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11991 * rtl.h (rtunion_def): Remove rt_ptr.
11993 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11994 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11995 * config/i386/winnt.c (i386_pe_mark_dllexport)
11996 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11998 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12000 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12002 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12006 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12007 pthread_key_delete. From John David Anglin. gthrw-ify
12008 pthread_getunique_np only if it it's not a macro. Delete
12010 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12011 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12012 __gthread_objc_condition_signal, __gthread_key_delete): Add
12013 "__attribute__ ((__unused__))" to unused arguments.
12014 (__gthread_recursive_mutex_init_function): Add missing return.
12015 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12016 gthr-posix95.h: Use macro-based approach for name redirection
12017 on targets missing weakref.
12019 2006-01-26 Zack Weinberg <zackw@panix.com>
12021 * genconditions.c (write_header): In generated code, #ifdef out
12022 all includes and fake declarations, except includes of bconfig.h
12023 and system.h, unless GCC_VERSION >= 3001. Do not include
12024 gensupport.h in any case.
12025 (write_conditions): Generate a definition of struct c_test. Add
12026 a comment to the generated #endif.
12027 (write_one_condition): Escape backslashes in string too.
12028 (write_writer): Generated code must escape backslashes and quote
12029 marks (but not newlines) in the strings it writes.
12030 * Makefile.in (build/gencondmd.o): Update dependencies.
12032 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12035 * Makefile.in (insn-automata.o): Add header file dependencies.
12036 * genautomata.c: Add includes.
12038 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12041 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12043 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12045 * configure.ac: Expect target tools paths to be passed from the toplevel
12046 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12048 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12050 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12053 * c.opt (Wpointer-sign): Init to -1.
12054 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12055 OPT_pedantic, to 0 otherwise.
12056 * doc/invoke.texi: Update.
12058 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12060 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12061 constants provided by 80387 instructions in the destination mode.
12063 2006-01-26 Richard Guenther <rguenther@suse.de>
12064 Andrew Pinski <pinskia@physics.uc.edu>
12067 partial PR tree-opt/17064
12068 * tree-ssa-structalias.c (intra_create_variable_infos):
12069 Create heap variables for incoming parameters if
12070 flag_argument_noalias > 1.
12071 (find_what_p_points_to): Look through default defs of
12074 2006-01-26 Jeff Law <law@redhat.com>
12077 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12078 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12079 within the VR_RANGE, use the VR_RANGE as the result, not the
12081 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12082 bounds for the type.
12084 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12086 * tree-ssa-alias.c (maybe_create_global_var): Change
12087 subvar walking to an assertion that we don't have subvar'd variables.
12089 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12092 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12093 Use a new variable, inner. PARM_DECLs are always non-weak.
12095 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12097 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12098 --disable-checking.
12100 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12102 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12104 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12106 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12107 (smax_insn, smin_insn, smax_0, smin_0): New.
12109 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12112 * config/cris/cris.c (cris_order_for_addsi3): New function.
12113 * config/cris/cris-protos.h: Prototype it.
12114 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12115 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12116 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12117 (split for "op.S1 [rx=rx+i],ry (swapped)")
12118 (split for "op(s|u).S1 [rx=rx+i],ry")
12119 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12120 Apply cris_order_for_addsi3 when generating addsi3 insns.
12122 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12124 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12125 (TREE_BLOCK): Add call to EXPR_CHECK.
12127 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12130 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12131 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12132 (dump_omp_clauses): ... here.
12133 (dump_generic_node): Handle OMP_CLAUSE.
12134 * tree.c (omp_clause_num_ops): New.
12135 (omp_clause_code_name): New.
12136 (tree_code_size): Handle OMP_CLAUSE.
12137 (tree_size): Likewise.
12138 (make_node): Document handling of OMP_CLAUSE.
12139 (tree_node_structure): Handle OMP_CLAUSE.
12140 (omp_clause_check_failed): New.
12141 (omp_clause_range_check_failed): New.
12142 (omp_clause_operand_check_failed): New.
12143 (build_omp_clause): New.
12144 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12145 * tree.h (enum omp_clause_code): Declare.
12146 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12147 (OMP_CLAUSE_RANGE_CHECK): Define.
12148 (OMP_CLAUSE_ELT_CHECK): Define.
12149 (omp_clause_check_failed): Declare.
12150 (omp_clause_operand_check_failed): Declare.
12151 (omp_clause_range_check_failed): Declare.
12152 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12153 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12154 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12155 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12156 (OMP_CLAUSE_IF_EXPR): Likewise.
12157 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12158 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12159 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12160 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12161 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12162 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12163 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12164 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12165 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12166 (OMP_CLAUSE_CODE): Define.
12167 (OMP_CLAUSE_SET_CODE): Define.
12168 (OMP_CLAUSE_CODE): Define.
12169 (OMP_CLAUSE_OPERAND): Define.
12170 (struct tree_omp_clause): Declare.
12171 (union tree_node): Add field 'omp_clause'.
12172 * treestruct.def (TS_OMP_CLAUSE): Define.
12173 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12174 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12175 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12176 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12177 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12178 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12179 (OMP_CLAUSE): Define.
12180 * print-tree.c (print_node): Handle OMP_CLAUSE.
12181 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12182 * c-typeck.c: Likewise.
12183 * gimplify.c: Likewise.
12184 * c-omp.c: Likewise.
12185 * tree-nested.c: Likewise.
12186 * tree-inline.c: Likewise.
12187 * c-parser.c: Likewise.
12188 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12191 2006-01-25 Roger Sayle <roger@eyesopen.com>
12193 PR rtl-optimization/25703
12194 * combine.c (try_combine): Handle zero_extract and strict_low_part
12195 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12197 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12199 * global.c: Fix comment typos.
12201 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12204 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12205 Use output_addr_const instead of assemble_name.
12207 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12209 * Makefile.in (sched-vis.o): Update dependencies.
12210 * haifa-sched.c (sched_finish): Clear current_sched_info.
12211 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12212 (dump_flow_info): Call it.
12213 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12215 * basic-block.h (dump_bb_info): Declare.
12216 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12217 option, and apply options only for dump files whose TDF_RTL,
12218 TDF_TREE, or TDF_IPA bits match.
12219 * rtl.h: Declare new functions exported from sched-vis.c.
12220 * sched-vis.c: Enable also if scheduling is not used.
12221 (print_value): Print the mode of registers if not inside scheduling.
12222 (print_insn): Make it work outside the scheduler. Beautify the output
12224 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12226 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12228 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12229 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12230 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12231 depending on the value of CONSTANT_POOL_ADDRESS_P.
12232 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12234 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12235 rather than SYMBOL_REF_DECL.
12236 (rtx_constant_pool): Remove const_rtx_sym_htab.
12237 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12238 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12239 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12240 Remove handling of const_rtx_sym_htab.
12241 (find_pool_constant): Delete.
12242 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12243 rather than find_pool_constant.
12244 (get_pool_constant_for_function): Delete.
12245 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12246 find_pool_constant.
12247 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12248 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12249 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12250 (SYMBOL_REF_CONSTANT): New macro.
12251 (get_pool_constant_for_function): Delete.
12252 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12253 rather than SYMBOL_REF_DECL.
12254 (i386_pe_mark_dllimport): Likewise.
12255 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12256 rather than SYMBOL_REF_DECL.
12257 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12258 (machopic_indirect_call_target): Likewise.
12260 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12262 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12264 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12266 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12268 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12270 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12272 2006-01-24 David Daney <ddaney@avtrex.com>
12275 * configure.ac (enable_tls): New enable option.
12276 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12277 * configure: Regenerate.
12278 * doc/install.texi (--enable-tls): Document new option.
12279 (--disable-tls): Ditto.
12281 2006-01-24 Richard Henderson <rth@redehat.com>
12283 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12284 * alias.c (true_dependence): Respect it.
12285 (canon_true_dependence, write_dependence_p): Likewise.
12286 * builtins.c (get_builtin_sync_mem): Set it.
12288 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12290 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12293 2006-01-24 DJ Delorie <dj@redhat.com>
12295 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12296 for storing constants in single-bit bitfields.
12298 2006-01-25 Ben Elliston <bje@au.ibm.com>
12300 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12302 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12305 * tree-ssa-pre.c (phi_translate): Return NULL
12306 for AGGREGATE_TYPE's.
12308 2006-01-24 Zack Weinberg <zackw@panix.com>
12310 * genautomata.c (process_state_for_insn_equiv_partition):
12311 Use xcalloc for insn_arcs_array.
12312 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12313 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12315 2006-01-24 Richard Henderson <rth@redhat.com>
12317 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12318 update all callers.
12320 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12322 PR rtl-optimization/25890
12323 PR rtl-optimization/25905
12324 * combine.c (expand_compound_operation, expand_field_assignment):
12325 Fail if the bitfield's final position is out of bounds.
12327 2006-01-24 Ian Lance Taylor <ian@airs.com>
12329 PR middle-end/25930
12330 * cgraphunit.c (cgraph_output_in_order): Don't clear
12331 cgraph_asm_nodes until after asm strings have been output.
12333 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12335 * fix-header.c (read_scan_file): Add new parameter imultilib when
12336 calling register_include_chains.
12338 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12340 * omp-low.c: Update documentation.
12342 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12343 Daniel Berlin <dberlin@dberlin.org>
12347 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12348 return from the function.
12350 2006-01-22 Zack Weinberg <zackw@panix.com>
12352 * rtl.def (match_code): Add second argument.
12353 * genpreds.c (write_extract_subexp): New function.
12354 (write_match_code): Add path argument. Use write_extract_subexp.
12355 (write_predicate_expr): Pass path to write_match_code.
12356 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12357 not perform a mode test.
12358 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12359 a subexpression does not constrain the top-level code set.
12360 * read-rtl.c (read_rtx_variadic): New function.
12361 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12362 * doc/md.texi: Document new notation.
12363 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12364 (cmpsi_operand): ... here, using new notation.
12366 2006-01-22 Zack Weinberg <zackw@panix.com>
12368 * varray.c: Remove GENERATOR_FILE #ifdefs.
12370 2006-01-22 Zack Weinberg <zackw@panix.com>
12372 * genautomata.c (output_reserved_units_table): Emit nothing if
12373 description->query_units_num is zero. Remove extra blank line.
12374 (output_cpu_unit_reservation_p): Short circuit
12375 if description->query_units_num is zero.
12377 2006-01-22 Zack Weinberg <zackw@panix.com>
12379 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12380 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12381 nor any of the random handful of variables that used to be necessary
12382 when this program was linked with rtlanal.o. Prune set of forward
12383 function declarations.
12384 (struct attr_desc): Remove static_p field.
12385 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12386 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12387 (attr_string): Do not read the character one past the length of
12389 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12390 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12391 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12392 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12393 (make_automaton_attrs): New.
12394 (main): Do not call into genautomata. Call local gen_bypass
12395 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12396 Remove special case for insn_alts.
12397 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12398 varray.h (leftover from previous change). Prune set of forward
12399 function declarations. Remove state_alts fields from all
12400 structures. Remove state_alts_table from struct automaton.
12401 Make everything except main static. Do not maintain num_dfa_decls.
12402 Do not maintain state_alts fields of various structures.
12403 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12404 (add_arc): Remove state_alts argument. All callers updated.
12405 (output_reserved_units_table): Emit #ifdef here...
12406 (output_tables): ...not here. Don't generate state_alts tables.
12407 (expand_automata): Don't generate attributes.
12408 (write_automata): Don't generate state_alts functions.
12409 (main): New function.
12410 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12411 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12412 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12413 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12414 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12415 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12416 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12417 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12419 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12420 * genattrtab.h: Delete file.
12421 * Makefile.in (OBJS-common): Add insn-automata.o.
12422 (insn-automata.o): New rule.
12423 (simple_generated_c): Add insn-automata.c.
12424 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12425 (genprogmd): Add automata.
12426 (build/genattrtab): Needs no extra objects nor libraries.
12427 (build/genautomata): Needs build/vec.o and -lm.
12429 2006-01-22 Zack Weinberg <zackw@panix.com>
12431 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12432 (output_dfa_max_issue_rate, locked_states_num): Delete.
12433 (struct automaton): Add locked_states field.
12434 (output_dead_lock_vect): Save number of locked states in
12435 automaton->locked_states. If it is zero, don't print anything.
12436 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12437 (output_internal_dead_lock_func): Only test the dead_lock_vect
12438 for automata that have locked states.
12439 (output_statistics): Always print the number of locked states for
12440 each automaton. Calculate total number of locked states here.
12441 (write_automata): Don't call output_dfa_max_issue_rate.
12442 * genattrtab.c: Define length_unit_log as a const variable.
12443 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12444 max_insn_queue_index const.
12445 * final.c (length_unit_log): Declare const.
12446 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12448 2006-01-22 Zack Weinberg <zackw@panix.com>
12450 * genautomata.c: Include vec.h, not varray.h.
12451 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12452 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12453 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12454 VEC_* macros operating on appropriately typed vectors, or to
12455 malloced arrays when the size is known in advance. Const-ify
12456 many char* variables and function arguments. No functional changes.
12457 * Makefile.in (build/varray.o): Delete rule.
12458 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12459 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12461 2006-01-22 Zack Weinberg <zackw@panix.com>
12463 * gensupport.c: Define get_insn_name and record_insn_name here.
12464 (read_md_rtx): Call record_insn_name as appropriate.
12465 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12466 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12467 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12469 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12470 (BUILD_VARRAY): Delete.
12471 (genprognormal): Rename genprogmd. Fold in all programs from
12472 genprognoprint; also attrtab.
12473 (build/genattrtab): Just mention genautomata.o and varray.o.
12474 Reorganize a bit, add comments to make the categories clearer.
12476 2006-01-22 Zack Weinberg <zackw@panix.com>
12478 * genconditions.c (condition_table, add_condition): Delete.
12479 (write_conditions): Don't emit n_insn_conditions nor
12480 insn_elision_unavailable. Issue the gcc version #ifdef here,
12481 inside the table, with no #else clause ...
12482 (write_header): ...not here.
12483 (write_writer): New function.
12484 (main): Don't initialize condition_table. Use add_c_test.
12486 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12487 files on the command line.
12488 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12489 Return -1 if there is no entry in the table, don't abort.
12490 (add_c_test, traverse_c_tests): New functions.
12491 * gensupport.h (insn_elision_unavailable, insn_conditions)
12492 (n_insn_conditions): Delete declarations.
12493 (add_c_test, traverse_c_tests): Declare.
12494 * read-rtl.c: Include gensupport.h.
12495 (read_conditions): New function.
12496 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12497 (read_rtx_1): If we get EOF when we were looking for an initial
12498 open paren, return 0. Call read_conditions when appropriate.
12499 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12500 dummy-conditions.o. Eliminate references to insn-conditions.o,
12501 or change them to build/gencondmd.o, as appropriate. Remove
12502 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12503 from $(simple_generated_c). For all files remaining in those
12504 two lists, add insn-conditions.md to the generator command line.
12505 Give insn-constants.h/s-constants their own rules. Add rules
12506 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12507 (build/read-rtl.o): Depend on gensupport.h.
12508 (genprognormal): Include preds.
12509 (genprogearly): Rename genprognoprint; only difference is now that
12510 they don't link with $(BUILD_PRINT).
12511 * dummy-conditions.c: Delete.
12513 2006-01-22 Zack Weinberg <zackw@panix.com>
12515 * genextract.c: Don't include insn-config.h. Do include vec.h.
12516 Declare vectors of int, char, and locstr.
12517 (locstr): New typedef.
12518 (struct extraction): Make all array fields into bare pointers.
12519 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12520 (insn_code_number): Delete.
12521 (accum_extract): New struct.
12522 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12523 (gen_insn): Take insn_code_number as an argument. Use an
12524 accum_extract structure instead of loading data directly into
12525 a struct extraction, and having to know how big it might get.
12526 (walk_rtx): Operate entirely on an accum_extract structure.
12527 (print_path): Avoid unnecessary use of printf.
12528 (print_header): New function, split out of main. Distinguish
12529 more carefully between an unrecognizable insn and an insn that
12530 has the code number of a define_expand.
12531 (main): Pass insn_code_number to gen_insn. Call print_header
12532 only after parsing. Avoid unnecessary use of printf.
12533 * Makefile.in (build/vec.o): New rule.
12534 (build/genextract): Depend on build/vec.o.
12535 (build/genextract.o): Don't depend on insn-config.h.
12537 2006-01-22 Zack Weinberg <zackw@panix.com>
12539 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12540 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12541 practical. Eliminate per-generator-program link rules.
12543 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12545 PR middle-end/24437
12546 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12547 with a call expr to ...
12548 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12550 2006-01-23 Richard Guenther <rguenther@suse.de>
12552 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12553 before make_edge with conditional EDGE_TRUE_VALUE.
12555 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12556 Jan Hubicka <jh@suse.cz>
12557 Richard Guenther <rguenther@suse.de>
12559 PR rtl-optimization/25654
12560 * cfgexpand.c (aggregate_contains_union_type): New function.
12561 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12562 for structure variables that contain a union type.
12564 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12566 * gengtype.c (new_structure): Return the structure.
12567 (create_option): Add an extra "next" argument.
12568 (create_field): New function.
12569 (adjust_field_rtx_def): Use create_option and create_field.
12570 Remove a now-unnecessary call to find_structure.
12571 (adjust_field_tree_def): Likewise.
12572 (note_yacc_type): Remove an unnecessary call to find_structure.
12573 * gengtype.h (new_structure): Return the structure.
12574 (create_option): Add an extra argument.
12575 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12576 (option): Adjust calls to create_option.
12578 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12580 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12582 2006-01-22 Paul Brook <paul@codesourcery.com>
12583 Peter Barada <peter@the-baradas.com>
12585 * config/m68k/m68k.md: Add Coldfire FPU support.
12586 Define FP mode macro and associated attributes.
12587 Use it for float mode patterns.
12588 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12589 (LIBCALL_VALUE): Use m68k_libcall_value.
12590 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12591 (m68k_function_value): Ditto.
12592 (emit_move_sequence): Ditto.
12593 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12594 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12595 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12596 (MULTILIB_EXCEPTIONS): Ditto.
12597 * config/m68k/m68k.opt: Add mcfv4e.
12598 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12599 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12600 (m68k_output_function_prologue): Save ColdFire FPU registers.
12601 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12602 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12603 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12604 ColdFire FPU registers.
12605 (m68k_libcall_value, m68k_function_value): New functions.
12606 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12607 (LIBCALL_VALUE): Use m68k_libcall_value.
12608 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12609 (MASK_COLDFIRE): Add MASK_CFV4E.
12610 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12611 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12612 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12613 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12614 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12615 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12616 * doc/invoke.tex: Document -mcfv4e on m68k.
12618 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12620 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12623 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12626 * c-opts.c (c_common_handle_option): Don't include
12627 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12628 * doc/invoke.texi (C++ Dialect Options): Document that
12629 -Wnon-virtual-dtor is no longer included in -Wall.
12631 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12633 * gcov.c (print_version), gcov-dump.c (print_version),
12634 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12637 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12639 * df-scan.c (problem_SCAN): Added NULL reset function.
12640 (df_scan_reset_blocks): Added code to call reset block function
12641 (df_bb_refs_delete) Fixed comment.
12642 (df_insn_refs_delete): Made tolerant of deleting non existent info
12643 for dataflow problems that need to be reset.
12644 * df-core.c (df_set_blocks): Ditto.
12645 * df.h (struct df_problem): Added reset_fun.
12646 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12647 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12648 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12649 functions to clear out all references to def-use or use-def chains.
12651 2006-01-21 Ben Elliston <bje@au.ibm.com>
12653 * varasm.c (assemble_real): Initialise data array.
12655 2006-01-20 Paul Brook <paul@codesourcery.com>
12657 Merge from csl-arm-branch.
12658 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12659 * config/arm/arm.md (movdi): Force operands[1] to a register
12660 if we have a non-register source.
12661 (*arm_movdi, *movdf_soft_insn): Require that one of the
12662 operands be a register.
12663 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12664 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12666 2006-01-20 DJ Delorie <dj@redhat.com>
12668 * varasm.c (initializer_constant_valid_p): Allow pointers
12669 initialized from integer constants of lesser precision.
12670 (output_constant): Allow non-int-sized pointer modes to be
12671 initialized from integer constants.
12673 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12676 * cppdefault.h (struct default_include): Add multilib flag.
12677 * cppdefault.c (cpp_include_defaults): Set it.
12678 * c.opt (-imultilib): New option.
12679 * c-opts.c (imultilib): New.
12680 (c_common_handle_option): Handle -imultilib.
12681 (c_common_post_options): Likewise.
12682 * c-incpath.c (add_standard_paths, register_include_chains):
12684 * c-incpath.h (register_include_chains): Add extra parameter.
12685 * gcc.c (do_spec_1): Generate -imultilib option.
12686 (The Specs Language): Update %I description.
12687 (process_command): Update copyright notice.
12688 * doc/cppopts.texi (-imultilib): Document.
12689 * doc/invoke.texi (-imultilib): Include in option summary.
12690 (%I): Update specs documentation.
12692 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12694 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12696 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12698 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12701 2006-01-20 Richard Guenther <rguenther@suse.de>
12702 Steven Bosscher <stevenb.gcc@gmail.com>
12704 PR rtl-optimization/24626
12705 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12706 EDGE_TRUE_VALUE if in RTL mode.
12709 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12710 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12712 2006-01-20 Dirk Mueller <dmueller@suse.com>
12715 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12716 instead of a special NOP marker.
12717 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12718 NOP marker handling.
12719 * c-common.h (empty_body_warning): Add forward declaration.
12720 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12721 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12723 2006-01-20 Paul Brook <paul@codesourcery.com>
12725 * Makefile.in (lang_checks): Keep going if mkdir fails.
12727 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12729 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12730 be able to clean out basic block when not necessary.
12731 (df_scan_free): Fixed to properly delete information if df is
12732 unused before calling df_finish.
12733 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12734 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12736 (df_bb_refs_delete): New function.
12737 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12738 * df-core.c (df_set_blocks): Added code to properly clean out
12739 unused blocks if they are not part of the blocks to consider.
12740 Added additional null check.
12741 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12742 be able to clean out basic block when not necessary
12743 * df.h (df_free_bb_function): Ditto.
12744 (df_bb_refs_delete): New function.
12745 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12746 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12747 basic block parameter to be able to clean out basic block when not
12749 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12750 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12751 Fixed to properly delete information if df is unused before
12754 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12756 PR rtl-optimization/25799
12757 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12758 Corrected confluence operator to remove bits from op2 before oring
12759 with op1 rather than removing bits from op1.
12760 (df_ru_transfer_function): Corrected test on wrong bitmap which
12761 caused infinite loop. Both of these problems were introduced in
12762 the dataflow rewrite.
12764 2006-01-19 DJ Delorie <dj@redhat.com>
12766 * reload1.c (find_reload_regs): Note the details of reload
12767 failures in the dump file.
12768 (spill_failure): Likewise.
12770 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12772 * loop-iv.c: Include df.h and hashtab.h.
12773 (enum iv_grd_result): New enum.
12774 (DF_REF_IV, DF_REF_IV_SET): New macros.
12775 (struct biv_entry): New.
12776 (df, bivs): New global variables.
12777 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12778 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12780 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12781 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12782 analyzed_for_bivness_p, record_biv): New functions.
12783 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12784 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12785 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12787 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12789 (iv_number_of_iterations): Use new interface to iv analysis.
12790 * loop-unroll.c: Do not include varray.h.
12791 (analyze_iv_to_split_insn): Use new interface to iv
12793 * loop-unswitch.c (may_unswitch_on): Ditto.
12794 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12796 (df_bb_modify): Realloc tables to the new index.
12797 (df_find_use): New function.
12798 * df.h (df_find_use): Declare.
12799 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12801 * cfgloop.h (struct rtx_iv): Remove analysed field.
12802 (iv_get_reaching_def): Removed.
12803 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12804 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12805 (loop-iv.o): Add df.h and hashtab.h dependency.
12806 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12808 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12811 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12813 (__floatundisf, __floatundidf): Likewise.
12814 * libgcc2.h (IS_IBM_EXTENDED): Define.
12816 2006-01-19 DJ Delorie <dj@redhat.com>
12818 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12820 2006-01-19 Paul Brook <paul@codesourcery.com>
12822 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12823 as nothrow when unwinding tables are disabled.
12825 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12828 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12829 of bit-field" when in system header.
12831 2006-01-19 DJ Delorie <dj@redhat.com>
12833 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12834 the 16 bit shift limit of the m16c.
12836 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12839 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12840 * config/i386/i386.c (output_set_got): Output the label if we have one
12841 for the TARGET_DEEP_BRANCH_PREDICTION case.
12843 2006-01-19 Jan Hubicka <jh@suse.cz>
12844 H.J. Lu <hongjiu.lu@intel.com>
12845 Evandro Menezes <evandro.menezes@amd.com>
12847 * invoke.texi (generic): Document
12849 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12850 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12851 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12852 (x86_use_incdec, x86_pad_returns): New variables
12853 (TARGET_CPU_DEFAULT_generic): New constant
12854 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12855 (enum processor_type): Add generic32 and generic64.
12856 * i386.md (cpu attribute): Add generic32/generic64
12857 (movhi splitter): Behave sanely when both partial_reg_dependency and
12858 partial_reg_stall are set.
12859 (K8 splitters): Enable for generic as well.
12860 * predicates.md (incdec_operand): Use TARGET_INCDEC
12861 (aligned_operand): Avoid memory mismatch stalls.
12862 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12863 * ppro.md: Enable for generic32
12864 * i386.c (generic64_cost, generic32_cost): New.
12865 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12866 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12867 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12868 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12869 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12870 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12871 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12872 x86_accumulate_outgoing_args, x86_prologue_using_move,
12873 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12874 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12875 Enable for generic.
12876 (x86_use_incdec, x86_pad_returns): New.
12877 (override_options): Add generic32 and generic64, translate "generic"
12878 to generic32/generic64 and "i686" to "generic32", refuse
12879 "generic32"/"generic64" as arch target.
12880 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12881 (ix86_reorg): Honor PAD_RETURNS.
12883 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12885 * tree-pretty-print.c (dump_generic_node): Handle
12886 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12887 * cgraph.c (cgraph_expand_queue): Rename from
12888 cgraph_analyze_queue. Update all users.
12889 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12890 cgraph_expand_queue.
12891 (cgraph_expand_all_functions): Likewise.
12892 (cgraph_finalize_pending_functions): Remove. Update callers.
12894 * tree.h (OMP_DIRECTIVE_P): Define.
12895 (OMP_PARALLEL_FN): Define.
12896 (OMP_PARALLEL_DATA_ARG): Define.
12897 (OMP_SECTIONS_SECTIONS): Define.
12898 * tree-pass.h (pass_expand_omp): Declare.
12899 * omp-low.c (struct omp_region): Declare.
12900 (struct omp_context): Remove fields 'parallel_type',
12901 'parallel_start_ix' and 'parallel_start_additional_args'.
12903 (struct omp_for_data): Rename from struct expand_omp_for_data.
12904 (omp_regions): New static variable.
12905 (root_omp_region): New static variable.
12906 (find_omp_clause): Make static.
12907 (is_in_combined_parallel_ctx): Remove.
12908 (is_combined_parallel): New.
12909 (extract_omp_for_data): Move earlier in the file.
12910 (workshare_safe_to_combine_p): New.
12911 (get_ws_args_for): New.
12912 (determine_parallel_type): Move earlier in the file.
12913 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12915 (omp_copy_decl): Likewise.
12916 (create_omp_child_function): Likewise.
12917 (lookup_omp_region): New.
12918 (dump_omp_region): New.
12919 (debug_omp_region): New.
12920 (debug_all_omp_regions): New.
12921 (new_omp_region): New.
12922 (scan_omp_parallel): If parallel_nesting_level > 1, the
12923 directive is nested within another parallel directive.
12924 Set OMP_PARALLEL_FN.
12925 (scan_omp_for): Do not try to handle combined parallel+for
12927 Remove FIXME comment.
12928 (scan_omp_nested): Remove.
12929 (scan_omp_1): Do not call scan_omp_nested when
12930 parallel_nesting_level is > 1.
12931 Do not change the DECL_CONTEXT of local variables found.
12932 (lookup_decl_in_outer_ctx): New.
12933 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12934 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12935 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12936 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12937 If CTX is nested, lookup VAR in the outer context when
12938 building copy assignment.
12939 (lower_send_clauses): Rename from expand_send_clauses.
12940 If CTX is nested, lookup VAR in the outer context when
12941 building copy assignments.
12942 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12943 If CTX is nested, lookup VAR in the outer context when
12944 building copy assignments.
12945 (expand_parallel_call): Rename from build_parallel_call.
12946 Handle combined parallel+workshare cases.
12947 Re-implement to emit code into the CFG.
12949 (expand_omp_parallel): Re-implement to emit code into the CFG.
12950 Call move_sese_region_to_fn to outline the sub-graph
12951 containing the parallel region.
12952 (expand_omp_for_1): Remove.
12953 (expand_omp_for_generic): Re-implement to emit code into the
12955 (expand_omp_for_static_nochunk): Likewise.
12956 (expand_omp_for_static_chunk): Likewise.
12957 (expand_omp_for): Likewise.
12958 (expand_omp_sections): Likewise.
12959 (remove_exit_barriers): New.
12960 (expand_omp_synch): New.
12962 (build_omp_regions_1): New.
12963 (build_omp_regions): New.
12964 (execute_expand_omp): New.
12965 (gate_expand_omp): New.
12966 (pass_expand_omp): Define.
12967 (lower_omp_sections): Rename from expand_omp_sections.
12968 Set OMP_SECTIONS_SECTIONS.
12969 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12970 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12971 (lower_omp_single): Rename from expand_omp_simple.
12972 (lower_omp_master): Rename from expand_omp_master.
12973 (lower_omp_ordered): Rename from expand_omp_ordered.
12974 (lower_omp_critical): Rename from expand_omp_critical.
12975 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12976 (lower_omp_for): Re-implement.
12977 (lower_omp_parallel): Re-implement.
12978 (lower_regimplify): Rename from expand_regimplify.
12979 (lower_omp_1): Rename from expand_omp_1.
12980 If there are syntax errors in the program, replace every
12981 OpenMP directive with NOP.
12982 Call lower_omp_* instead of expand_omp_*.
12983 (lower_omp): Rename from expand_omp.
12985 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12986 * tree-gimple.h (enum omp_parallel_type): Remove.
12987 (gimple_boolify): Declare extern.
12988 (find_omp_clause, determine_parallel_type): Remove.
12990 * gimple-low.c (lower_omp_directive): New.
12991 (lower_stmt): Call it.
12992 (record_vars_into): Move from ...
12993 (record_vars): ... here.
12994 Call record_vars_into with current_function_decl.
12996 * gimplify.c (struct gimplify_ctx): Remove fields
12997 combined_pre_p and combined_ctxp. Update users.
12998 (get_formal_tmp_var): Add documentation.
12999 (gimple_boolify): Make extern.
13000 (gimplify_expr_in_ctx): Remove. Update callers.
13001 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13002 will always be a BIND_EXPR.
13003 (gimplify_expr): Handle OMP_RETURN_EXPR.
13004 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13005 (OMP_PARALLEL): Add 3 operands.
13006 (OMP_SECTIONS): Add 1 operand.
13007 (OMP_RETURN_EXPR): Define.
13009 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13010 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13011 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13012 creating a circular free list.
13013 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13015 * tree-flow.h (move_sese_region_to_fn): Declare.
13016 (record_vars_into): Declare.
13017 * tree-cfg.c (make_omp_sections_edges): New.
13018 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13019 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13020 OMP_SECTIONS and OMP_SECTION.
13021 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13022 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13023 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13024 (gather_blocks_in_sese_region): New.
13025 (struct move_stmt_d): Declare.
13026 (move_stmt_r): New.
13027 (move_block_to_fn): New.
13028 (move_sese_region_to_fn): New.
13030 * passes.c (init_optimization_passes): Schedule
13031 pass_expand_omp after pass_init_datastructures.
13033 * tree-ssa-operands.c (get_expr_operands): Handle
13034 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13035 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13037 2006-01-19 Jeff Law <law@redhat.com>
13039 * tree-vrp.c (extract_range_from_assert): Refine the result range
13040 if the variable referenced by the ASSERT_EXPR has a range and
13041 either the tentative result range or the previous range is a
13044 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13046 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13048 2006-01-19 Jan Hubicka <jh@suse.cz>
13050 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13052 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13054 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13055 (expand_compound_operation, expand_field_assignment): Fail if the
13056 bit lengths of an extract operation are out of range.
13057 (make_extraction): Compute wanted_inner_mode based on the position
13058 and length of the extraction. Make it extraction_mode for non-constant
13059 positions, and do not modify offset in that case. When generating a
13060 new MEM, use a mode that can hold the extraction while keeping correct
13061 alignment. Remove code that supported MEMs wrapped by USEs.
13062 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13064 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13066 * config/s390/s390.md ("Y", "y"): New mode attribute.
13067 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13068 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13069 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13070 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13071 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13072 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13073 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13074 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13075 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13076 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13077 "addsi3", "subsi3"): Insn patterns removed.
13078 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13079 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13080 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13081 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13082 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13083 "*sub<mode>3_cconly2"): New insn patterns.
13084 ("addsi3", "subsi3"): New expanders.
13086 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13088 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13089 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13090 existing STMT_VINFO_VECTYPE if available.
13091 (vect_mark_relevant): Add special handling for stmts that are
13092 marked as STMT_VINFO_IN_PATTERN_P.
13093 (vect_analyze_loop): Call vect_pattern_recog.
13094 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13095 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13097 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13098 (vect_recog_func_ptr): New function-pointer type.
13099 * tree-vect-patterns.c: New file.
13100 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13101 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13102 (vect_pattern_recog_1): New functions.
13103 (vect_pattern_recog_funcs): New array of function pointers.
13105 * tree-vectorizer.h (ternary_op): New enum value.
13106 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13107 declaration. Revised documentation. Removed redundant dump prints.
13108 Removed redundant argument. Added support for reduction patterns.
13109 (vectorizable_reduction): Added support for reduction patterns.
13110 (vect_transform_stmt): Added support for patterns.
13112 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13113 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13114 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13115 (expand_widen_pattern_expr): New function.
13116 (init_optabs): Initialize new optabs udot_prod_optab,
13118 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13119 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13120 (expand_widen_pattern_expr): New function declaration.
13121 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13123 * tree-inline.c (estimate_num_insns_1): Added cases for new
13124 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13125 * tree-pretty-print.c (dump_generic_node): Likewise.
13126 (op_prio): Likewise.
13127 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13128 * tree-ssa-operands.c (get_expr_operands): Added case for
13130 * tree-vect-patterns.c (widened_name_p): New function.
13131 (vect_recog_dot_prod_pattern): Added function implementation.
13132 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13133 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13134 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13135 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13137 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13138 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13139 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13140 (init_optabs): Initialize new optabs widen_ssum_optab,
13142 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13143 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13144 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13145 use instead of type of def.
13146 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13147 function implementation.
13148 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13149 widen_ssumv8hi): New.
13151 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13154 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13157 * c-decl.c (add_flexible_array_elts_to_size): New function.
13158 (finish_decl): Use it.
13160 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13162 * diagnostic.h: Include options.h.
13163 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13164 dependancies for diagnostic.h.
13165 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13167 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13169 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13170 (ssa_ro_call_cache_valid): Ditto.
13171 * tree-ssa-alias.c (sort_tags_by_id): New function.
13172 (init_transitive_clobber_worklist): Ditto.
13173 (add_to_worklist): Ditto.
13174 (mark_aliases_call_clobbered): Ditto.
13175 (compute_tag_properties): Ditto.
13176 (set_initial_properties): Ditto.
13177 (compute_call_clobbered): Ditto.
13178 (compute_may_aliases): Call compute_call_clobbered and grouping.
13179 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13180 (compute_flow_insensitive_aliasing): Grouping now happens in our
13182 (setup_pointers_and_addressables): Remove clobbering related code.
13183 (add_may_alias): Ditto.
13184 (replace_may_alias): Ditto.
13185 (get_nmt_for): Ditto.
13186 (create_global_var):
13187 (is_escape_site): Return an escape_type enumeration.
13188 * tree-flow-inline.h (is_call_clobbered): Global var does not
13189 imply call clobbered.
13190 (mark_call_clobbered): Take a reason for marking this. Remove
13191 marking of globalness, and cache invalidation.
13192 (clear_call_clobbered): Remove cache invalidation code.
13193 * tree-dfa.c (dump_variable): If details is on, dump the reason
13195 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13197 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13198 (struct var_ann_d): Ditto.
13199 (enum escape_type): New.
13200 (mark_call_clobbered): Adjust prototype.
13201 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13202 are never call clobbered.
13203 Record reasons for escaping.
13204 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13205 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13206 (ssa_ro_call_cache_valid): Ditto.
13207 (clobbered_v_may_defs): Ditto.
13208 (clobbered_vuses): Ditto.
13209 (ro_call_vuses): Ditto.
13210 (clobber_stats): New.
13211 (init_ssa_operands): Zero out clobber stats.
13212 (fini_ssa_operands): Print out clobber stats.
13213 (get_call_expr_operands): Pass callee fndecl to
13214 add_call_read_ops).
13215 (add_call_clobber_ops): Remove use of cache.
13216 Add use of PURE_CONST information.
13217 (add_call_read_ops): Remove use of cache.
13218 Add use of static not_read information.
13220 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13222 Introduce TLS descriptors for i386 and x86_64.
13223 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13224 (TARGET_ANY_GNU_TLS): New macro.
13225 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13226 (struct machine_function): Add tls_descriptor_call_expanded_p.
13227 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13228 (ix86_current_function_calls_tls_descriptor): Likewise.
13229 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13230 (override_options): Introduce gnu2 tls dialect.
13231 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13233 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13235 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13236 (ix86_init_machine_status): Initialize new field.
13237 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13238 (ix86_tls_module_base): New.
13239 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13240 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13241 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13242 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13243 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13244 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13245 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13246 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13247 * config/i386/predicates.md (tls_modbase_operand): New.
13248 (tp_or_register_operand): New.
13250 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13252 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13253 (look_for_address_of): Ditto.
13254 (ipa_init): Walk the function decls.
13255 (static_execute): Don't set readonly on FUNCTION_DECL's.
13257 2006-01-18 Roger Sayle <roger@eyesopen.com>
13259 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13260 for shifts where the source and destination registers are different.
13262 2006-01-18 Paul Brook <paul@codesourcery.com>
13264 Merge from csl-arm-branch.
13265 2005-03-14 Julian Brown <julian@codesourcery.com>
13266 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13267 (aeabi_llsl): Likewise.
13268 (ashrdi3): Likewise.
13269 (aeabi_lasr): Likewise.
13270 (lshrdi3): Likewise.
13271 (aeabi_llsr): Likewise.
13272 2005-03-10 Julian Brown <julian@codesourcery.com>
13273 * config.gcc: Disable shared libgcc for SymbianOS.
13274 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13276 2006-01-18 DJ Delorie <dj@redhat.com>
13278 * c-pragma.c (handle_pragma_diagnostic): New.
13279 (init_pragma): Register it.
13280 * doc/extend.texi: Document it.
13282 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13283 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13284 (diagnostic_context): Add classify_diagnostic[].
13285 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13286 as errors if they're overridden to DK_WARNING.
13287 (diagnostic_initialize): Initialize classify_diagnostic[].
13288 (diagnostic_set_kind_override): New.
13289 (diagnostic_report_diagnostic): Check for kind changes.
13290 * opts.c (common_handle_option): Take lang_mask. Update callers.
13291 Handle OPT_Werror_.
13292 * common.opt (Werror=): New.
13293 * doc/invoke.texi: Document -Werror=*
13295 2006-01-18 Jeff Law <law@redhat.com>
13297 * tree-vrp.c (test_for_singularity): Correct test for new
13298 min limit. Use operand_equal_p rather than pointer equality
13299 for testing if new min/max values are equal.
13301 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13302 using range information until after propagation and folding.
13304 2006-01-18 Richard Henderson <rth@redhat.com>
13305 Aldy Hernandez <aldyh@redhat.com>
13306 Jakub Jelinek <jakub@redhat.com>
13307 Diego Novillo <dnovillo@redhat.com>
13309 * omp-low.c: New file.
13310 * c-omp.c: New file.
13312 2006-01-18 Richard Henderson <rth@redhat.com>
13313 Jakub Jelinek <jakub@redhat.com>
13314 Diego Novillo <dnovillo@redhat.com>
13316 * doc/invoke.texi: Document -fopenmp.
13317 * tree-dump.h (debug_function): Declare.
13318 * hooks.c (hook_bool_tree_bool_false): New function.
13319 (hook_tree_tree_null): Remove.
13320 (hook_tree_tree_tree_null): New.
13321 * hooks.h: Update to match.
13322 * tree-pretty-print.c (debug_tree_chain): New.
13323 (print_generic_expr): Handle TDF_CHAIN.
13324 (dump_generic_node): Handle BLOCK.
13325 Do not abort with incomplete SWITCH_EXPRs.
13326 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13327 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13328 print space after directive name.
13329 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13330 Handle OMP_MASTER and OMP_ORDERED.
13331 Handle printing of OMP_BODY just in one place, goto
13332 dump_omp_body in the rest of OMP_* nodes that have
13334 Don't handle clause nodes here. Update omp statements to
13335 use dump_omp_clauses.
13336 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13337 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13338 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13339 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13340 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13341 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13342 Adjust output for GOMP_PARALLEL.
13343 (dump_omp_clauses): New.
13344 (print_declaration): Dump DECL_VALUE_EXPR.
13345 (op_symbol_1): Split out of op_symbol.
13346 (dumping_stmts): Remove. Update all users.
13347 * cgraph.c (cgraph_analyze_queue): New.
13348 (cgraph_add_new_function): New.
13349 * cgraph.h (cgraph_analyze_queue): Declare.
13350 (cgraph_add_new_function): Declare.
13351 (cgraph_lower_function): Remove.
13352 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13353 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13354 and TYPE_P nodes in its default clause.
13355 (empty_body_p): New.
13356 (tree_range_check_failed): New.
13357 (build5_stat): New.
13358 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13359 OMP_CLAUSE_REDUCTION_MERGE,
13360 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13361 OMP_CLAUSE_PRIVATE_DEBUG,
13362 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13363 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13364 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13365 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13366 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13367 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13368 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13369 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13370 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13371 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13372 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13373 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13374 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13375 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13376 (TREE_RANGE_CHECK): New.
13377 (empty_body_p): Declare.
13378 (enum omp_clause_default_kind): New.
13379 (build_string_literal): Declare.
13380 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13381 (build5_stat, build5): Declare.
13382 * tree-pass.h (TDF_CHAIN): Define.
13383 * tree-pass.h (PROP_gimple_lomp): Define.
13384 (pass_lower_omp): Declare.
13385 * diagnostic.h (debug_tree_chain): Declare.
13386 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13388 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13389 * builtins.c (build_string_literal): Make extern.
13390 * gcc.c (include_spec_function): New.
13391 (static_spec_functions): Add it.
13392 (main): Move load of libgomp.spec ...
13393 (LINK_COMMAND_SPEC): ... here.
13394 (link_gomp_spec): New.
13395 (static_specs): Include it.
13396 (LINK_COMMAND_SPEC): Add link_gomp.
13397 (GOMP_SELF_SPECS): New.
13398 (driver_self_specs): Include it.
13399 (switch_matches): Don't mark inline.
13400 (main): Load libgomp.spec.
13401 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13402 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13403 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13404 * tree-gimple.h (enum omp_parallel): Declare.
13405 (determine_parallel_type): Declare.
13406 (omp_firstprivatize_variable): Declare.
13407 (omp_reduction_init): Declare.
13408 (diagnose_omp_structured_block_errors): Declare.
13409 (struct walk_stmt_info): Add want_return_expr.
13410 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13411 (find_omp_clause): Declare.
13412 (insert_field_into_struct): Declare.
13413 (struct walk_stmt_info): Move from tree-nested.c
13414 (walk_stmts): Declare.
13415 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13417 * cgraphunit.c (cgraph_lower_function): Make static.
13418 (cgraph_finalize_pending_functions): New.
13419 (cgraph_finalize_function): Call it.
13420 (cgraph_finalize_compilation_unit): Likewise.
13421 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13422 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13423 (BT_FN_UINT_UINT): New.
13424 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13425 DEF_FUNCTION_TYPE_VAR_4): Document.
13426 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13427 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13428 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13429 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13430 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13431 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13432 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13433 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13434 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13435 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13436 into separate files.
13437 (DEF_GOMP_BUILTIN): New.
13438 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13439 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13440 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13441 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13442 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13443 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13444 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13445 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13446 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13447 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13448 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13449 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13450 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13451 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13452 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13453 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13454 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13455 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13456 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13457 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13458 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13459 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13460 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13461 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13462 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13463 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13464 * sync-builtins.def: New file, moved from builtins.def.
13465 * omp-builtins.def: New file, moved from builtins.def.
13466 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13467 * gimple-low.c (lower_function_body): Clear data.
13468 (lower_stmt): Do not handle COMPOUND_EXPR.
13469 Remove call to print_node_brief.
13470 * c-tree.h (c_finish_omp_clauses): New prototype.
13471 (C_DECL_THREADPRIVATE_P): Define.
13472 (lookup_name_no_remap, c_omp_remap_private): Remove
13473 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13474 (check_for_loop_decls): Update decl.
13475 (lookup_name_no_remap, c_omp_remap_private): Declare.
13476 (build_indirect_ref, build_modify_expr, pushdecl,
13477 pushdecl_top_level): Move to c-common.h.
13478 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13479 before the switch, but just in the 2 places that need it.
13480 * c-decl.c (diagnose_mismatched_decls): Do not check for
13481 mismatched thread-local attributes when OLDDECL is marked
13482 threadprivate and NEWDECL has no thread-local attributes.
13483 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13484 (c_gimple_diagnostics_recursively): Rename from
13485 c_warn_unused_result_recursively. Invoke
13486 diagnose_omp_structured_block_errors.
13487 (check_for_loop_decls): Return a singular decl found.
13488 * langhooks.c (lhd_omp_predetermined_sharing): Return
13489 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13490 (lhd_omp_firstprivatize_type_sizes): New.
13491 (lhd_omp_assignment): New.
13492 (lhd_omp_predetermined_sharing): New.
13493 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13494 (struct lang_hooks_for_types): Add
13495 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13496 omp_predetermined_sharing, omp_disregard_value_expr,
13497 omp_private_debug_clause, omp_clause_default_ctor,
13498 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13499 (c_finish_omp_clauses): New.
13500 (c_finish_bc_stmt): Diagnose break within omp for.
13501 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13502 (build_unary_op): Return error_mark after reporting
13504 (build_modify_expr): Likewise.
13505 * gimplify.c: Include optabs.h and pointer-set.h.
13506 (enum gimplify_omp_var_data): Declare.
13507 (struct gimplify_omp_ctx): Declare.
13508 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13510 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13511 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13512 (splay_tree_compare_decl_uid): New.
13513 (new_omp_context): New.
13514 (delete_omp_context): New.
13515 (gimple_add_tmp_var): Call omp_add_variable.
13516 (gimplify_bind_expr): Likewise.
13517 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13518 true, disregard DECL_VALUE_EXPR on the decl if any.
13519 (gimplify_expr_in_ctx): New.
13520 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13521 omp_add_variable, omp_notice_variable, omp_is_private
13522 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13523 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13524 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13525 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13526 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13527 gimplify_omp_atomic): New.
13528 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13529 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13530 OMP_CRITICAL and OMP_ATOMIC.
13531 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13532 * c-pragma.h (enum pragma_kind): Add
13533 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13534 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13535 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13536 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13537 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13538 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13539 PRAGMA_OMP_THREADPRIVATE.
13540 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13541 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13542 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13543 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13544 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13545 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13546 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13547 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13548 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13549 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13550 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13551 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13552 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13554 (struct nesting_info): Add field_map,
13555 suppress_expansion, debug_var_chain.
13556 (create_nesting_tree): Initialize them.
13557 (lookup_field_for_decl): Use field_map.
13558 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13559 (convert_local_omp_clauses): New.
13560 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13561 (walk_body): Split out of walk_function.
13562 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13563 (convert_nonlocal_reference): Handle omp statements.
13564 (convert_local_reference): Likewise.
13565 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13566 (unnest_nesting_tree): New.
13567 (lower_nested_functions): Call it.
13568 (insert_field_into_struct): Make extern.
13569 (struct walk_stmt_info): Move to tree-gimple.h.
13570 (walk_stmts): Make extern.
13571 * omp-builtins.def: New file.
13572 * tree-iterator.c (expr_only): Clarify comment.
13573 * c-common.h (pushdecl_top_level, pushdecl,
13574 build_modify_expr, build_indirect_ref,
13575 c_finish_omp_master, c_finish_omp_critical,
13576 c_finish_omp_ordered, c_finish_omp_barrier,
13577 c_finish_omp_atomic, c_finish_omp_flush,
13578 c_finish_omp_for, c_split_parallel_clauses,
13579 omp_clause_default_kind, c_omp_sharing_predetermined,
13580 c_omp_remap_decl): Declare.
13581 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13582 (OBJS-common): Add omp-low.o.
13583 (c-omp.o, omp-low.o): Add.
13584 (gimplify.o): Add dependency on $(OPTABS_H).
13585 (GTFILES): Add omp-low.c.
13586 (gt-stringpool.h): Add.
13587 * tree-cfg.c (set_bb_for_stmt): Do not update the
13588 block-to-labels map if we are currently expanding to RTL.
13589 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13591 Handle IDENTIFIER_NODE.
13592 (tree_verify_flow_info): Do not ICE when emitting error
13593 messages about invalid labels.
13594 (dump_function_to_file): Reset CFUN before emitting the body
13596 (debug_function): New.
13597 * passes.c (init_optimization_passes): Schedule
13599 * langhooks-def.h (lhd_omp_predetermined_sharing,
13600 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13602 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13603 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13604 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13605 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13606 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13607 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13608 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13609 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13610 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13611 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13612 (LANG_HOOK_DECLS): Use them.
13614 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13615 Richard Henderson <rth@redhat.com>
13616 Jakub Jelinek <jakub@redhat.com>
13617 Diego Novillo <dnovillo@redhat.com>
13619 * c-parser.c (pragma_omp_clause): Define.
13620 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13621 (c_parser_compound_statement): Likewise.
13622 (c_parser_statement): Likewise.
13623 (c_parser_pragma): Handle omp pragmas.
13624 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13625 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13626 (c_parser_omp_clause_name, check_no_duplicate_clause,
13627 c_parser_omp_variable_list,
13628 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13629 c_parser_omp_clause_copyprivate,
13630 c_parser_omp_clause_default,
13631 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13632 c_parser_omp_clause_lastprivate,
13633 c_parser_omp_clause_nowait,
13634 c_parser_omp_clause_num_threads,
13635 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13636 c_parser_omp_clause_reduction,
13637 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13638 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13639 c_parser_omp_atomic, c_parser_omp_barrier,
13640 c_parser_omp_critical, c_parser_omp_flush,
13641 c_parser_omp_for_loop, c_parser_omp_for,
13642 c_parser_omp_master, c_parser_omp_ordered,
13643 c_parser_omp_sections_scope, c_parser_omp_sections,
13644 c_parser_omp_parallel, c_parser_omp_single,
13645 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13646 * c-pragma.c (init_pragma): Do omp pragma registration here.
13647 * c.opt (fopenmp): New flag.
13649 2006-01-18 Eric Christopher <echristo@apple.com>
13651 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13652 * config/darwin.h (GOMP_SELF_SPECS): Define.
13654 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13656 * rtl.h: Remove the prototype for reg_alloc.
13658 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13661 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13662 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13663 sjlj and dwarf2 exception handling.
13664 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13665 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13666 * pa/pa.c (function_value): Treat complex and vector types as
13668 (function_arg): Likewise. Only pass scalar floats in the floating
13669 point argument registers.
13670 * pa/t-slibgcc-dwarf-ver: New file.
13671 * pa/t-slibgcc-sjlj-ver: New file.
13672 * pa/t-slibgcc-elf-ver: Delete file.
13674 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13676 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13677 unlikely_test_section_p test.
13679 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13681 * mode-switching.c (optimize_mode_switching): Make it static.
13682 * basic-block.h: Remove the prototype for
13683 optimize_mode_switching.
13685 * modulo-sched.c (sms_schedule): Make it static.
13686 * rtl.h: Remove the prototype for sms_schedule.
13688 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13689 * rtl.h: Remove the prototype for gcse_after_reload_main.
13691 * reg-stack.c (reg_to_stack): Make it static.
13692 * rtl.h: Remove the prototype for reg_to_stack.
13694 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13696 * rtl.h: Remove the prototypes for regrename_optimize and
13697 copyprop_hardreg_forward.
13699 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13701 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13702 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13703 Test against the appropriate null constant for the mode.
13704 If 'fixup_overlap' is true, swap the operands if they overlap.
13705 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13706 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13707 alpha_split_tmode_pair and adjust for above change.
13708 * config/alpha/alpha.md (movtf_internal): Adjust call to
13709 alpha_split_tfmode_pair and rely on it to swap the operands.
13710 (movti_internal): New insn and post-reload splitter.
13711 (movti): New expander.
13713 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13715 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13718 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13720 * rtlanal.c (global_reg_mentioned_p_1,
13721 global_reg_mentioned_p): Remove.
13722 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13724 * flow.c (initialize_uninitialized_subregs): Make it static.
13725 * rtl.h: Remove the prototype for
13726 initialize_uninitialized_subregs.
13728 * function.c (instantiate_virtual_regs): Make it static.
13729 * function.h: Remove the prototype for
13730 instantiate_virtual_regs.
13732 * regmove.c (regmove_optimize, combine_stack_adjustments):
13734 * rtl.h: Remove the prototypes for regmove_optimize and
13735 combine_stack_adjustments.
13737 2006-01-17 Roger Sayle <roger@eyesopen.com>
13739 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13740 (size_cost): Encode costs in bytes so that a reg-reg addition is
13741 equivalent to COSTS_N_INSNS(1).
13742 (override_options): Use the size_cost.branch_cost as the default
13743 ix86_branch_cost when optimizing for size.
13745 2006-01-18 Ben Elliston <bje@au.ibm.com>
13747 * Makefile.in (D32PBIT_FUNCS): New.
13748 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13749 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13750 D64PBIT_FUNCS and D128PBIT_FUNCS.
13751 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13752 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13754 (decnumber_dep): Define.
13755 * doc/libgcc.texi (Decimal float library routines): New node.
13756 * config/dfp-bit.h, config/dfp-bit.c: New files.
13758 2006-01-18 Ben Elliston <bje@au.ibm.com>
13760 * expr.c (emit_move_change_mode): Always adjust addresses, not
13761 just during reload. Copy replacements only during reload.
13762 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13763 emit_move_via_integer.
13765 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13767 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13768 instead of $(srcdir) and ${srcdir}.
13770 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13773 PR middle-end/11135
13774 * arm.h (struct machine_function): Add pic_reg.
13775 * arm.c (arm_pic_register): Make unsigned.
13776 (arm_override_options): Only set arm_pic_register if
13777 TARGET_SINGLE_PIC_BASE.
13778 (use_return_insn): Only test for a pic register if it is fixed.
13779 (arm_compute_save_reg0_reg12_mask): Likewise.
13780 (thumb_compute_save_reg_mask): Likewise.
13781 (legitimate_pic_operand): Factor out some known invariants.
13782 (legitimize_pic_address): If we don't have a fixed pic register,
13783 then set up a pseudo in the function entry sequence. Handle the
13784 pic base being in a pseudo.
13785 (arm_load_pic_register): Handle the pic register being in a pseudo.
13786 (arm_expand_prologue): Only set up the pic register if it is fixed.
13787 (thumb_expand_prologue): Likewise.
13788 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13789 (pic_load_addr_based_insn): Likewise.
13790 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13793 2006-01-18 Ben Elliston <bje@au.ibm.com>
13795 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13796 decimal float modes for all floating point registers.
13798 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13799 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13801 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13804 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13805 even when the pointer is not NULL.
13807 2006-01-16 Ian Lance Taylor <ian@airs.com>
13809 * common.opt (ftoplevel-reorder): New option.
13810 * cgraph.c (cgraph_asm_nodes): New global variable.
13811 (cgraph_asm_last_node): New static variable.
13812 (cgraph_order): New global variable.
13813 (cgraph_create_node): Set new order field.
13814 (cgraph_varpool_node): Likewise.
13815 (decide_is_variable_needed): Return true if not
13816 flag_toplevel_reorder.
13817 (cgraph_add_asm_node): New function.
13818 * cgraph.h (struct cgraph_node): Add order field.
13819 (struct cgraph_varpool_node): Add order field.
13820 (struct cgraph_asm_node): Define.
13821 (cgraph_asm_nodes, cgraph_order): Declare.
13822 (cgraph_add_asm_node): Declare.
13823 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13825 (cgraph_varpool_assemble_pending_decls): Call it.
13826 (cgraph_output_pending_asms): New static function.
13827 (cgraph_finalize_compilation_unit): Call it.
13828 (struct cgraph_order_sort): Define.
13829 (cgraph_output_in_order): New static function.
13830 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13831 !flag_toplevel_reorder case.
13832 * c-parser.c: Include "cgraph.h".
13833 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13835 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13836 than -fno-unit-at-a-time.
13837 * doc/invoke.texi (Option Summary): Mention
13838 -fno-toplevel-reorder.
13839 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13840 -funit-at-a-time documentation.
13842 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13843 Kazu Hirata <kazu@codesourcery.com>
13845 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13847 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13849 * Makefile.in (FUNCTION_H): New. Use it instead of
13850 function.h throughout the file.
13851 * function.h: Include tree.h.
13853 2006-01-17 Ben Elliston <bje@au.ibm.com>
13855 * recog.c: Separate some functions with whitespace.
13857 2006-01-16 Richard Henderson <rth@redhat.com>
13859 Merge from gomp branch:
13860 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13861 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13862 and rename from struct inline_data. Rename callee* to dst*;
13863 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13864 transform_new_cfg, transform_return_to_modify, and
13865 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13867 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13868 (copy_decl_for_dup): Remove.
13869 * tree-inline.c (struct inline_data): Move to header.
13870 (insert_decl_map): Export.
13871 (remap_decl): Update for member name changes. Use copy_decl hook.
13872 Allow for replacement to be a non-decl. Remove dead code.
13873 (remap_type_1): Check for existing mapping.
13874 (remap_type): Export.
13875 (remap_decls): Update for member name changes.
13876 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13877 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13878 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13879 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13880 (tree_function_versioning, build_duplicate_type): Likewise.
13881 (copy_body_r): Likewise. Export.
13882 (copy_decl_for_dup): Split into ...
13883 (copy_decl_for_dup_finish, copy_decl_to_var,
13884 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13885 (replace_ref_tree, inlining_p): Remove.
13887 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13889 * ifcvt.c (if_convert): Make it static.
13890 * rtl.h: Remove the prototype for if_convert.
13892 * local-alloc.c (local_alloc): Make it static.
13893 * rtl.h: Remove the prototype for local_alloc.
13895 * loop.c (loop_optimize): Make it static.
13896 * cfgloop.h: Remove the prototype for loop_optimize.
13899 2006-01-16 DJ Delorie <dj@redhat.com>
13901 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13904 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13906 * pa.md: Disparage copies between general and floating-point registers
13907 in 32-bit move patterns.
13909 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13912 * Makefile.in (check-%): Depend on site.exp instead of
13913 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13916 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13918 * global.c (global_alloc): Make it static.
13919 * rtl.h: Remove the prototype for global_alloc.
13921 2006-01-16 Richard Guenther <rguenther@suse.de>
13923 * tree-ssa-alias.c (struct used_part): Add write_only field.
13924 (get_or_create_used_part_for): Initialize it to true.
13925 (create_overlap_variables_for): Don't create structure variables
13926 for structures that only are written to.
13927 (find_used_portions): Handle MODIFY_EXPR to track whether a
13928 structure is only written to.
13930 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13932 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13934 * basic-block.h: Remove the prototype for
13935 partition_hot_cold_basic_blocks.
13937 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13939 * cppspec.c (lang_specific_spec_functions): Remove.
13940 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13941 * gcc.h (lang_specific_spec_functions): Remove.
13942 * gccspec.c (lang_specific_spec_functions): Remove.
13944 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13946 * combine.c (record_value_for_reg): Invalidate registers
13948 (record_dead_and_set_regs_1): Likewise, by passing them to
13949 record_value_for_reg.
13950 (record_dead_and_set_regs): Invalidate stores made by a
13951 call. We do not combine across a call, but we still
13952 relied on equivalences.
13954 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13956 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13957 vrp_int_const_binop returning non-constant nodes.
13959 2006-01-16 Paul Brook <paul@codesourcery.com>
13961 * config/m68k/m68k.c (output_move_const_into_data_reg):
13962 Output correct mnemonic for mvz and mvs.
13964 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13966 * rtl-factoring.c: Add sequence abstraction algorithm.
13967 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13968 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13970 (block_has_preserve_label): New function.
13971 * common.opt: Register new pass.
13972 * Makefile.in: Ditto.
13974 * timevar.def: Ditto.
13975 * tree-pass.h: Ditto.
13976 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13977 * rtl.h (make_jump_insn_raw): Add forward decl.
13978 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13980 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13981 Roger Sayle <roger@eyesopen.com>
13983 * fold-const.c (fold_minmax): New static function.
13984 (fold_binary) <MIN_EXPR>: Call it.
13985 <MAX_EXPR>: Likewise.
13986 * stor-layout.c (place_field): Use DECL_SIZE consistently
13987 in the computation of the new record size.
13989 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13991 * cse.c (cse_condition_code_reg): Make it static.
13992 * rtl.h: Remove the prototype for cse_condition_code_reg.
13994 * combine.c (combine_instructions): Make it static.
13995 * rtl.h: Remove the prototype for combine_instructions.
13997 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14000 * tree.c (get_file_function_name_long): Concatenate the first global
14001 object name with a string derived from the input filename of the object
14004 2006-01-16 Ben Elliston <bje@au.ibm.com>
14006 * config/i386/winnt-stubs.c: Update FSF address.
14007 * config/xtensa/ieee754-df.S: Ditto.
14008 * config/xtensa/ieee754-sf.S: Ditto.
14010 2006-01-14 Ian Lance Taylor <ian@airs.com>
14012 * ifcvt.c (noce_init_if_info): New static function, broken out of
14013 noce_process_if_block.
14014 (noce_process_if_block): Call noce_init_if_info.
14015 (check_cond_move_block): New static function.
14016 (cond_move_process_if_block): New static function.
14017 (process_if_block): Call cond_move_process_if_block.
14019 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14021 * cselib.c (hash_table): Rename to cselib_hash_table.
14022 (cselib_clear_table, discard_useless_values,
14023 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14024 cselib_init, cselib_finish): Adjust uses of hash_table.
14026 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14028 PR tree-optimization/25485
14029 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14030 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14031 is known to be false and true, respectively.
14033 2006-01-14 Richard Guenther <rguenther@suse.de>
14035 PR tree-optimization/22548
14036 PR tree-optimization/22555
14037 PR tree-optimization/22501
14038 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14039 * params.def (salias-max-array-elements): New parameter.
14040 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14041 * doc/invoke.texi (salias-max-array-elements): Document.
14042 * tree-flow-inline.h (var_can_have_subvars): We also handle
14044 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14046 * tree-ssa-structalias.c (params.h): Include.
14047 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14048 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14049 (get_constraint_for): For ADDR_EXPR operating on something
14050 containing an ARRAY_REF, add all subvars to the solution.
14051 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14052 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14053 for creating MUST_DEFs.
14054 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14056 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14058 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14060 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14061 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14062 number_of_iterations_le): New functions.
14063 (number_of_iterations_special): Removed.
14064 (number_of_iterations_exit): Do not use number_of_iterations_special.
14065 * tree.c (unsigned_type_for): Always return integer type.
14067 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14068 Richard Guenther <rguenther@suse.de>
14070 PR rtl-optimization/24257
14071 * gcse.c (find_moveable_store): Only consider a store movable
14072 when the SET_SRC of the insn can be assigned to a register.
14074 2006-01-14 Ian Lance Taylor <ian@airs.com>
14076 * tree.c (tree_not_class_check_failed): New function.
14077 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14078 (tree_not_class_check_failed): Declare.
14080 2006-01-13 Ian Lance Taylor <ian@airs.com>
14082 * reload1.c (do_output_reload): Add assertion rejecting a
14085 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14087 * combine.c (struct reg_stat): Add new fields truncation_label and
14089 (record_value_for_reg): Reset truncated_to_mode.
14090 (record_truncated_value): New function.
14091 (check_promoted_subreg): Call it. Rename to check_conversions.
14092 (combine_instructions): Rename check_promoted_subreg to
14094 (reg_truncated_to_mode): New function.
14095 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14096 (gen_lowpart_or_truncate): New function.
14097 (force_to_mode): Use it instead of gen_lowpart.
14099 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14101 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14102 VAR is a tag, not its type tag.
14104 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14106 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14107 alternatives to match style of other entries.
14108 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14110 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14112 PR tree-optimization/25771
14113 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14116 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14119 * tree-inline.c (declare_return_variable): If the return variable
14120 was marked as a non gimple complex, set the return slot variable
14121 to be a non gimple comple variable.
14123 2006-01-13 Richard Guenther <rguenther@suse.de>
14125 * builtins.c (expand_builtin_sincos): New function.
14126 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14128 (expand_builtin): Expand sincos using expand_builtin_sincos.
14130 2006-01-12 DJ Delorie <dj@redhat.com>
14132 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14133 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14134 so that constant shifts can be split.
14135 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14136 (m32c_valid_pointer_mode): Make static.
14137 (shift_gen_func_for): New.
14138 (m32c_prepare_shift): Use it. Split large const shifts into
14140 * config/m32c/predicates.md (shiftcount_operand): Allow more
14142 (longshiftcount_operand): New.
14143 * doc/md.texi (Machine Constraints): Document In6.
14145 2006-01-13 Ben Elliston <bje@au.ibm.com>
14147 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14148 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14151 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14153 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14154 to try to avoid clobbering pieces of structures when we know
14155 something about the whole structure.
14156 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14158 2006-01-13 Ben Elliston <bje@au.ibm.com>
14160 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14161 return in memory, as this is no limitation is no longer present.
14163 2006-01-12 DJ Delorie <dj@redhat.com>
14165 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14166 mova with fb, and for fb+0 -> An.
14168 * config/m32c/mov.md (peephole2): Fix enabling logic.
14170 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14171 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14172 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14173 FINI_ARRAY_SECTION_ASM_OP): Define.
14175 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14177 (m32c_legitimize_reload_address): New logic to reload FB to An.
14178 (m32c_output_reg_push): Add newline.
14179 (m32c_output_reg_pop): Likewise.
14181 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14183 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14185 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14187 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14189 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14191 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14194 2006-01-11 Ben Elliston <bje@au.ibm.com>
14196 * rtlanal.c (find_reg_note): Assert insn is not null.
14198 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14200 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14203 2006-01-11 Jeff Law <law@redhat.com>
14205 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14207 (mark_threaded_blocks, register_jump_thread): New functions.
14208 (thread_through_all_blocks): Remove unwanted argument. No
14209 longer rely on e->aux to communicate thread target info.
14210 Call mark_threaded_blocks. Release the threaded_blocks
14211 bitmap and threaded_edges vector when complete.
14212 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14213 (threaded_blocks): Remove.
14214 (tree_ssa_dominator_optimize): Remove initialization and
14215 finalization of threaded_blocks. Simplify call to
14216 thread_through_all_blocks.
14217 (thread_across_edge): Call register_jump_thread rather than
14218 storing thread information into e->aux.
14219 (free_all_edge_infos): Simplify now that e->aux is no longer
14220 used to communicate with thread_through_all_blocks.
14221 * tree-flow.h (thread_through_all_blocks): Update prototype.
14222 (register_jump_thread): Prototype.
14224 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14226 * df-core.c (df_compact_blocks, df_bb_replace): Use
14227 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14229 2006-01-11 Richard Guenther <rguenther@suse.de>
14231 PR tree-optimization/25734
14232 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14233 stop propagation after successful propagation to the LHS.
14235 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14237 * basic-block.h (control_flow_graph): Change the type of
14238 x_basic_block_info to VEC(basic_block,gc) *.
14239 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14241 (SET_BASIC_BLOCK): New.
14242 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14243 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14244 * cfgbuild.c (find_basic_blocks): Likewise.
14245 * cfglayout.c (fixup_reorder_chain): Likewise.
14246 * cfgrtl.c (create_basic_block_structure,
14247 rtl_create_basic_block): Likewise.
14248 * ifcvt.c (find_if_case_1): Likewise.
14249 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14252 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14254 * Makefile.in: Removed rotted odf.c entry.
14256 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14259 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14260 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14261 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14262 output pattern modifier, not %e.
14263 * config/cris/cris.c (cris_op_str): Update comment about pattern
14265 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14266 before falling through into...
14267 <case 'E'>: Redefined from old 'e' case.
14269 2006-01-11 Jan Hubicka <jh@suse.cz>
14272 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14274 2006-01-11 Jan Hubicka <jh@suse.cz>
14276 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14277 * i386.c (x86_decompose_lea): Kill.
14278 (ix86_rtx_costs): Kill.
14280 2006-01-11 Jan Hubicka <jh@suse.cz>
14282 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14283 * cgraph.h (cgraph_node): Add inline_decl.
14284 (cgraph_insert_node_to_hashtable): Declare.
14285 (save_inline_function_body): Declare.
14286 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14288 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14289 (cgraph_function_versioning): Update call of tree_function_versioning.
14290 (save_inline_function_body): New function.
14291 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14292 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14293 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14294 (cgraph_default_inline_p): Likewise.
14295 (cgraph_decide_inlining_incrementally): Likewise.
14296 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14297 (copy_bb): Kill saving; do updating of clones.
14298 (copy_cfg_body): Kill saving.
14299 (initialize_inlined-parameters): Likewise.
14300 (expand_call_inline): Likewise.
14302 (tree_function_versioning): New parameter "update_clones".
14303 (inlining_p): Kill saving.
14304 * tree-inline.h (tree_function_versioning): Update prototype.
14305 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14308 2006-01-11 Ian Lance Taylor <ian@airs.com>
14310 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14311 Allow undoing set of machine mode.
14312 (do_SUBST): Use enums instead of is_int.
14313 (do_SUBST_MODE): New function.
14314 (SUBST_MODE): New macro.
14315 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14316 reg and trying to replace reg_regno_rtx with a new register.
14317 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14318 (simplify_set): Use SUBST_MODE.
14319 (distribute_notes): Remove code that tried to update reg notes
14320 for regno_reg_rtx changes.
14322 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14324 PR tree-optimization/23109
14325 PR tree-optimization/23948
14326 PR tree-optimization/24123
14328 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14329 * tree-cfg.c (single_noncomplex_succ): New.
14330 * tree-flow.h (single_noncomplex_succ): Declare it.
14331 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14332 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14333 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14334 insert_bb, register_division_in, insert_reciprocals,
14335 replace_reciprocal, free_bb): New.
14336 (execute_cse_reciprocals_1): Rewritten.
14337 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14338 Do not commit any edge insertion. Always compute dominators and
14339 create the allocation pool.
14340 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14341 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14342 * targhooks.c (default_min_divistions_for_recip_mul): New.
14343 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14344 * passes.c (init_optimization_passes): Run recip after tree loop
14346 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14348 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14349 Kenneth Zadeck <zadeck@naturalbridge.com>
14351 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14352 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14353 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14354 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14355 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14356 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14357 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14358 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14359 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14360 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14361 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14362 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14363 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14364 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14365 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14366 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14367 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14368 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14369 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14370 DF_SCAN_POST_ALLOC): New macros.
14371 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14372 df_free_bb_function, df_local_compute_function, df_init_function,
14373 df_dataflow_function, df_confluence_function_0,
14374 df_confluence_function_n, df_transfer_function,
14375 df_finalizer_function, df_free_function, df_dump_problem_function,
14376 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14377 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14378 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14379 df_urec_bb_info, ) New types.
14380 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14382 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14383 df_analyze_simple_change_some_blocks,
14384 df_analyze_simple_change_one_block, df_compact_blocks,
14385 df_bb_replace, df_bb_regno_last_use_find,
14386 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14387 df_insn_regno_def_p, df_find_def, df_find_use,
14388 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14389 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14390 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14391 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14392 debug_df_chain, df_get_dependent_problem, df_chain_create,
14393 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14394 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14395 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14396 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14397 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14398 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14399 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14400 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14401 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14402 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14403 df_reorganize_refs, df_set_state, df_hard_reg_init,
14404 df_read_modify_subreg_p) New public functions.
14405 * df-core.c: The core dataflow solver and glue routines for rtl
14407 (df_init, df_add_problem, df_set_blocks, df_finish,
14408 df_hybrid_search_forward, df_hybrid_search_backward,
14409 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14410 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14411 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14412 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14413 df_reg_defined, df_find_use, df_reg_used, df_dump,
14414 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14415 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14416 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14417 debug_df_useno, reset_df_after_reload): New functions.
14418 * df-scan.c: The scanning fuctions, once in df.c, completely
14419 rewritten so that they now fully model the functionality of
14420 register usage at the backend.
14421 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14422 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14423 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14424 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14425 df_get_artificial_defs, df_get_artificial_uses,
14426 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14427 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14428 df_refs_delete, df_reorganize_refs, df_set_state,
14429 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14430 df_def_record_1, df_defs_record, df_uses_record,
14431 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14432 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14433 df_record_exit_block_uses, df_hard_reg_init): New functions.
14435 * df-problems.c: Seven concrete dataflow problems that use the
14436 scanning in df-scan.c and are solved by the engine in df-core.c.
14437 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14438 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14439 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14440 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14441 df_ru_free_bb_info, df_ru_alloc,
14442 df_ru_bb_local_compute_process_def,
14443 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14444 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14445 df_ru_transfer_function, df_ru_free, df_ru_dump,
14446 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14447 df_rd_free_bb_info, df_rd_alloc,
14448 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14449 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14450 df_rd_transfer_function, df_rd_free, df_rd_dump,
14451 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14452 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14453 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14454 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14455 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14456 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14457 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14458 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14459 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14460 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14461 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14462 df_urec_mark_reg_use_for_earlyclobber,
14463 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14464 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14465 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14466 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14467 df_chain_create_bb_process_use, df_chain_create_bb,
14468 df_chain_finalize, df_chain_free, df_chains_dump,
14469 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14470 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14471 df_reg_lifetime): New functions.
14472 * df.c: Deleted file.
14473 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14474 consistent with new df api.
14475 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14476 rest_of_handle_sms): Ditto.
14477 * web.c (unionfind_union, union_defs, entry_register, web_main):
14479 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14480 invariant_expr_equal_p, find_defs, check_dependencies,
14481 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14482 free_inv_motion_data, move_loop_invariants): Ditto.
14483 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14484 Update dependencies.
14485 (odf.c): Added defective entry that was deleted later in day.
14486 * sched-deps.c (sched_analyze_1): Ditto.
14488 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14490 * tree-ssa-operands.c (get_expr_operands): Record addressable
14491 variables directly. Do not call add_stmt_operands for CONST_DECLs
14493 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14494 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14496 2006-01-11 Ben Elliston <bje@au.ibm.com>
14498 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14499 function returns true in the positive case.
14501 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14504 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14505 for SI, DI, SF and DF modes. Add alternatives to copy between
14506 general and floating point registers to the 32-bit patterns.
14507 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14508 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14509 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14510 generating 64-bit code.
14511 * config/pa/pa.c (output_move_double): Handle copies between general
14512 and floating registers.
14514 2006-01-10 Stuart Hastings <stuart@apple.com>
14516 * config/i386/i386.md (set_got): Update.
14517 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14518 (builtin_setjmp_receiver): Mach-O support.
14519 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14520 (GOT_SYMBOL_NAME): Define.
14521 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14522 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14523 * config/i386/i386.c (override_options): Revise for Darwin.
14524 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14525 support. (darwin_x86_file_end): New. (output_set_got): Add label
14526 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14527 * config/i386/i386-protos.h (output_set_got): Likewise.
14528 * config/darwin.c (machopic_legitimize_pic_address): Update
14531 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14533 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14534 when MODE isn't BLKmode.
14536 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14538 PR rtl-optimization/25367
14539 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14541 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14544 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14545 for a negative bound.
14547 2006-01-10 Richard Guenther <rguenther@suse.de>
14549 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14550 Never override with anything constraint.
14552 2006-01-10 Jan Beulich <jbeulich@novell.com>
14554 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14555 256 bits when optimize_size.
14557 2006-01-10 Jan Beulich <jbeulich@novell.com>
14559 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14561 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14562 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14565 2006-01-10 Ben Elliston <bje@au.ibm.com>
14567 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14569 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14570 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14571 (USE_FP_FOR_ARG): Reject decimal float modes.
14572 (function_arg_advance): Likewise.
14573 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14574 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14575 point types in AltiVec vectors.
14576 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14577 (rs6000_libcall_value): Likewise.
14579 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14581 * config/xtensa/ieee754-df.S: New file.
14582 * config/xtensa/ieee754-sf.S: New file.
14583 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14584 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14585 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14587 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14589 * config/sh/predicates.md (binary_float_operator,
14590 binary_logical_operator, commutative_float_operator,
14591 equality_comparison_operator, greater_comparison_operator,
14592 less_comparison_operator, logical_operator,
14593 noncommutative_float_operator, shift_operator,
14594 symbol_ref_operand, unary_float_operator): Remove redundant
14597 2006-01-09 Jeff Law <law@redhat.com>
14599 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14600 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14601 now unused arguments. Callers updated.
14602 (eliminate_redundant_computations): Remove now unused arguments,
14604 (local_fold): Remove, no longer used.
14605 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14607 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14608 (simplify_cond): New function.
14609 (forward_propagate_into_cond): Call simplify_cond.
14611 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14613 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14614 (*vec_extractv2di_1_sse): New.
14616 2006-01-09 Ben Elliston <bje@au.ibm.com>
14618 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14620 2006-01-08 Richard Guenther <rguenther@suse.de>
14622 * tree-ssa-structalias.c (get_constraint_for): Remove
14623 anyoffset argument.
14624 (get_constraint_for_component_ref): Likewise.
14625 (do_deref): Likewise.
14626 (get_constraint_for): Likewise.
14627 (do_structure_copy): Likewise.
14628 (handle_ptr_arith): Likewise.
14629 (find_func_aliases): Likewise. Remove unused need_anyoffset
14632 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14633 Kaz Kojima <kkojima@gcc.gnu.org>
14635 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14636 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14637 (EXTRA_CONSTRAINT_C16): Remove.
14638 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14639 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14640 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14641 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14642 constants of SHmedia. Handle nested constant expressions of
14644 (andcosts): Fix the costs for SHmedia constants.
14645 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14646 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14647 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14648 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14649 (movv4hi_i, movv2si_i): Likewise.
14650 (movsi_const): Adjust the second operand of ior so to match with
14651 the Csu constraint.
14652 (movdi_const, movdi_const_32bit): Likewise.
14653 (movdi_const_16bit+1): Don't sign-extend LOW.
14654 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14656 (*double_shori): Fix the split condition. Use GEN_INT instead
14657 of get_int_mode calls. Mask lower 16-bit of the argument of
14659 (sym2GOTPLT): Remove.
14660 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14662 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14663 instead of EXTRA_CONSTRAINT_C16.
14665 2006-01-07 Ian Lance Taylor <ian@airs.com>
14666 David Edelsohn <edelsohn@gnu.org>
14668 PR rtl-optimization/25662
14669 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14670 for constant operands instead of simplify_gen_binary.
14671 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14672 after trying simplify_binary_operation
14674 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14676 * tree.c (iterative_hash_expr): Hash decls based on UID.
14678 2006-01-06 Eric Christopher <echristo@apple.com>
14680 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14681 (TARGET_UNWIND_EMIT): Fix spelling.
14682 * target.h (gcc_target): Add except_table_label.
14683 * except.c (output_function_exception_table): Use.
14684 * varasm.c (default_emit_except_table_label): New.
14685 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14687 (asm_out): Add here.
14688 * output.h (default_emit_except_table_label): Prototype.
14689 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14690 * config/darwin.c (darwin_emit_except_table_label): Define.
14691 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14693 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14695 PR tree-optimization/18527
14696 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14697 number_of_iterations_special, number_of_iterations_exit):
14698 Move base and step of an iv to a single structure. Add
14699 no_overflow flag, and use it in # of iterations analysis.
14700 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14701 folded_casts argument.
14702 (simple_iv): Pass base and step in a structure. Set no_overflow
14704 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14705 Evaluate expensiveness of computing # of iterations instead of
14706 the final expression.
14707 * tree-scalar-evolution.h (affine_iv): New structure.
14708 (simple_iv): Declaration changed.
14709 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14710 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14711 find_givs_in_stmt): Changed due to simple_iv change.
14713 2006-01-06 Jeff Law <law@redhat.com>
14716 * tree-cfg.c (bsi_replace): Rename final argument from
14717 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14718 change (stmt -> orig_stmt).
14719 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14720 (bsi_remove): Add new argument. Remove EH information
14722 (verify_eh_throw_table_statements): New function.
14723 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14725 * tree-optimize.c (execute_free_cfg_annotations): Verify
14726 the EH throw statement table after removing annotations.
14727 * except.h (verify_eh_throw_table_statements): Prototype.
14728 * tree-flow.h (bsi_remove): Update prototype.
14729 * tree-vrp.c (remove_range_assertions): Add new argument to
14731 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14732 * tree-complex.c (expand_complex_div_wide): Likewise.
14733 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14734 * tree-tailcall.c (eliminate_tailcall): Likewise.
14735 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14736 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14737 * tree-nrv.c (tree_nrv): Likewise.
14738 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14739 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14740 (combine_blocks): Likewise.
14741 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14742 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14743 (cleanup_control_flow): Likewise.
14744 (remove_forwarder_block): Likewise.
14745 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14746 * tree-sra.c (sra_replace): Likewise.
14747 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14748 (forward_propagate_single_use_vars): Likewise.
14749 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14750 * tree-inline.c (expand_call_inline): Likewise.
14751 * tree-vect-transform.c (vect_transform_loop): Likewise.
14752 * tree-outof-ssa.c (rewrite_trees): Likewise.
14753 * tree-cfg.c (make_goto_expr_edges): Likewise.
14754 (cleanup_dead_labels): Likewise.
14755 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14756 (bsi_move_before, bsi_move_after): Likewise.
14757 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14758 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14760 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14763 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14765 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14766 on non gimple variables. Also add checks at the top for decls and
14768 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14770 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14771 and IMAGPART_EXPR for creating MUST_DEFs.
14772 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14773 and NAME_MEMORY_TAG separately from the DECLs.
14775 2006-01-06 Richard Guenther <rguenther@suse.de>
14777 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14778 annotation, if necessary.
14779 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14780 redundant calls to update_stmt.
14781 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14784 2006-01-05 Richard Henderson <rth@redhat.com>
14786 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14788 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14790 * c-typeck.c: Update copyright date.
14792 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14794 * c-typeck.c (build_c_cast): Always warn when casting
14795 from a pointer to an integer of different size, even if
14796 the node was constant.
14798 2006-01-05 Richard Guenther <rguenther@suse.de>
14800 PR tree-optimization/22555
14801 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14802 if one structure field is an array.
14803 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14804 operands even if we found a subvar, but ignore VOPs in this
14806 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14808 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14810 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14812 PR middle-end/24998
14813 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14815 2006-01-05 Richard Guenther <rguenther@suse.de>
14816 Diego Novillo <dnovillo@redhat.com>
14818 * tree-pass.h (TODO_remove_unused_locals): Define.
14819 * gimple-low.c (expand_var_p, remove_useless_vars,
14820 pass_remove_useless_vars): Remove. Update all users.
14821 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14822 (remove_unused_locals): New function.
14823 * tree-flow.h (remove_unused_locals): Declare.
14824 * passes.c (execute_todo): Call remove_unused_locals if
14825 TODO_remove_unused_locals is set.
14826 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14827 * tree-ssa-dce.c (pass_dce): Likewise.
14828 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14830 2006-01-05 Richard Guenther <rguenther@suse.de>
14832 * tree-flow.h (struct fieldoff): Decompose field to
14833 type, size and decl.
14834 * tree-ssa-alias.c (create_sft): Take type as parameter.
14835 (create_overlap_variables_for): Store type, size and decl
14836 in the fieldoff structure.
14837 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14838 of struct fieldoff.
14839 (push_fields_onto_fieldstack): Likewise.
14840 (create_variable_info_for): Likewise. Use offset for the
14841 SFT name if the decl is not available.
14843 2006-01-04 Paul Brook <paul@codesourcery.com>
14845 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14847 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14849 * lambda-code.c (can_put_in_inner_loop): Relax
14851 (can_put_after_inner_loop): New function.
14852 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14853 (perfect_nestify): Change to make copies and modify uses.
14855 2006-01-04 Richard Henderson <rth@redhat.com>
14857 Merge from gomp branch:
14858 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14859 via integer constant.
14860 (pragma_lex): Remove.
14861 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14862 rather than parsing it.
14863 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14864 handle_pragma_extern_prefix): Add %< %> quotes.
14865 (registered_pragmas): New.
14866 (c_register_pragma_1): New.
14867 (c_register_pragma): Use it.
14868 (c_register_pragma_with_expansion): Likewise.
14869 (c_invoke_pragma_handler): New.
14870 (init_pragma): Use cpp_register_deferred_pragma directly for
14872 * c-pragma.h (enum pragma_kind): New.
14873 (pragma_handler): New.
14874 (c_invoke_pragma_handler): Declare.
14875 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14877 * c-common.h (c_common_pch_pragma): Update decl.
14878 * Makefile.in (c-parser.o): Update dependencies.
14879 (GTFILES): Add c-pragma.h.
14880 * c-parser.c (struct c_token): Add pragma_kind.
14881 (struct c_parser): Add in_pragma.
14882 (c_lex_one_token): Always initialize keyword and pragma_kind.
14883 Extract data for CPP_PRAGMA.
14884 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14885 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14886 Don't allow CPP_PRAGMA_EOL if in_pragma.
14887 (c_parser_consume_pragma): New.
14888 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14889 (c_parser_skip_to_end_of_parameter): Likewise.
14890 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14891 (c_parser_skip_to_pragma_eol): New.
14892 (c_parser_external_declaration): Handle CPP_PRAGMA.
14893 (c_parser_compound_statement_nostart): Likewise.
14894 (c_parser_statement_after_labels): Likewise.
14895 (c_parser_pragma): New.
14896 (pragma_lex): Likewise.
14897 (c_parser_pragma_pch_preprocess): New.
14898 (c_parser_new): Merge into ...
14899 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14901 2006-01-04 Jeff Law <law@redhat.com>
14904 * tree-cfg.c (bsi_replace): Remove the original statement
14905 from the EH throw statement table.
14907 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14909 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14910 make the prototype extern "C" and add throw ().
14913 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14914 and pos non-negative and pos + len <= 32.
14915 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14916 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14917 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14920 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14921 as well as sizes not multiple of component size.
14924 * function.c (instantiate_expr): New function.
14925 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14926 walk its DECL_VALUE_EXPR with instantiate_expr.
14928 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14929 DW_OP_deref{,_size} if address isn't going to be added.
14931 2006-01-04 Ben Elliston <bje@au.ibm.com>
14933 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14934 * config/fp-bit.c: Likewise.
14936 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14938 * dominance.c: Add comment about why we use DFS numbering
14941 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14942 Richard Henderson <rth@redhat.com>
14944 Merge from gomp-branch:
14945 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14946 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14948 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14950 PR rtl-optimization/25578
14951 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14952 pass a parameter to simplify_shift_const if changing ASHIFTRT
14955 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14957 * builtins.c (get_builtin_sync_mem): New function.
14958 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14959 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14960 Call get_builtin_sync_mem to generate mem rtx.
14962 2006-01-03 Richard Guenther <rguenther@suse.de>
14965 * stmt.c (add_case_node): Make sure to clear overflow flags
14968 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14970 Merge from gomp-branch.
14971 * config/sparc/sync.md: New file.
14972 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14973 UNSPECV_LDSTUB): New constants.
14974 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14975 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14976 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14979 2006-01-03 Roger Sayle <roger@eyesopen.com>
14981 * combine.c (reg_subword_p): New predicate to test whether the
14982 destination of a set refers to a subword/piece of a register.
14983 (try_combine): Generalize the code to merge the setting of a
14984 pseudo to a constant followed by a set of a subword of that
14985 register to a constant.
14987 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14989 * basic-block.h (control_flow_graph): Change the type of
14990 x_label_to_block_map to VEC(basic_block,gc) *.
14991 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14992 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14994 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14995 VEC(basic_block,heap) *.
14996 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14997 ssa_prop_fini): Adjust the uses of cfg_blocks.
14999 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15001 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15003 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15004 hashing trees instead of a pointer hash.
15005 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15006 compare for MEM_EXPR.
15008 PR rtl-optimization/25130
15009 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15010 when comparing MEMs for GCSE
15012 2006-01-03 Ben Elliston <bje@au.ibm.com>
15014 * targhooks.h (default_decimal_float_supported_p): Declare.
15015 * targhooks.c (default_decimal_float_supported_p): Define.
15016 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15017 `default_decimal_float_supported_p'.
15018 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15020 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15022 * combine.c (apply_distributive_law <SUBREG>): Check
15023 TRULY_NOOP_TRUNCATION.
15025 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15027 * dwarf2out.c (have_switched_text_section): Delete.
15028 (have_multiple_function_sections): New.
15029 (have_location_lists): Make 'bool'.
15030 (add_AT_loc_list): Use 'true' not '1'.
15031 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15032 (output_loc_list): Use have_multiple_function_sections.
15033 (output_ranges): Likewise.
15034 (dwarf2out_begin_function): Set have_multiple_function_sections if
15036 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15037 Check function_section rather than DECL_SECTION_NAME.
15038 (dwarf2out_finish): Use have_multiple_function_sections.
15039 Don't clear have_location_lists.
15041 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15042 Jan Hubicka <jh@suse.cz>
15044 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15045 case of conditional jump jumping to the next instruction.
15046 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15047 cases of conditional jump jumping to the next instruction.
15049 2006-01-02 Jan Hubicka <jh@suse.cz>
15051 * i386.c (*_cost): Add COSTS_N_INSNS.
15052 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15054 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15057 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15059 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15061 * config/arm/arm.c (all_fpus): Fix comment typo.
15062 * config/darwin.c: Likewise.
15063 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15064 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15065 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15067 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15069 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15070 (rs6000_split_compare_and_swapqhi): New.
15071 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15072 (sync_compare_and_swapqhi_internal): New.
15073 * config/rs6000/rs6000-protos.h: Declare.