1 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5 2006-09-21 Janis Johnson <janis187@us.ibm.com>
7 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
9 2006-09-21 Roger Sayle <roger@eyesopen.com>
12 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
13 dw_fde_current_label, to be the start of the function, i.e. the same
14 value as dw_fde_begin.
16 2006-09-20 Richard Sandiford <richard@codesourcery.com>
18 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
19 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
20 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
21 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
22 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
23 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
24 (abs<mode>2, neg<mode>2): Likewise.
25 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
26 (*mips_abs_ps): New define_insn.
28 2006-09-20 Josh Conner <jconner@apple.com>
31 * calls.c (expand_call): Allow reuse of structure return stack
34 2006-09-20 Paul Brook <paul@codesourcery.com>
36 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
39 2006-09-20 Janis Johnson <janis187@us.ibm.com>
41 * doc/extend.texi (Decimal Float): Update for latest draft TR,
44 2006-09-20 Steve Ellcey <sje@cup.hp.com>
47 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
48 with tablejumps in them.
50 2006-09-20 Jakub Jelinek <jakub@redhat.com>
53 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
54 wrap it into TARGET_EXPR.
56 2006-09-20 Eric Christopher <echristo@apple.com>
58 * config/i386/i386.c (x86_fisttp): Remove.
59 * config/i386/i386.h (x86_fisttp): Ditto.
60 (TARGET_FISTTP): Ditto.
62 2006-09-19 Eric Christopher <echristo@apple.com>
64 * doc/tm.texi (OBJC_JBLEN): Describe.
65 * config/i386/darwin.h (OBJC_JBLEN): Define.
66 * config/rs6000/darwin.h: Ditto.
68 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
70 PR rtl-optimization/21299
71 * reload1.c (reload): Purge invalid ASMs in the final pass.
73 2006-09-19 Steve Ellcey <sje@cup.hp.com>
76 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
77 pointers as legitimate constants.
79 2006-09-19 Paul Brook <paul@codesourcery.com>
82 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
84 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
86 PR tree-optimization/28887
87 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
88 component parts from the reference.
89 (gather_memory_references_ref): Record the reference without the
90 nonaddressable component parts.
92 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
95 * c-opts.c (c_common_handle_option): Ignore the -std options
96 if the input language is assembly.
98 2006-09-17 Ira Rosen <irar@il.ibm.com>
101 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
103 (ptr_ptr_may_alias_p): Likewise.
104 (record_record_differ_p): New function.
105 (base_object_differ_p): Call record_record_differ_p.
107 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
110 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
111 away for the expr argument.
113 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
116 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
117 before using it for dumping after vectorizing loops.
119 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
120 Jack Howarth <howarth@bromo.med.uc.edu>
123 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
124 skip on error_mark_node.
125 (rs6000_darwin64_record_arg_recurse): Likewise.
127 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
129 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
130 * doc/rtl.texi: Remove related documentation.
132 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
134 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
137 2006-09-15 Jim Wilson <wilson@specifix.com>
139 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
140 Handle symbol offsets same as they are handled in ia64_expand_move
143 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
145 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
146 Add forgotten parameter to the fprintf call.
148 2006-09-15 Steve Ellcey <sje@cup.hp.com>
150 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
152 2006-09-15 Uros Bizjak <uros@kss-loka.si>
154 * doc/contrib.texi: Add my entry.
156 2006-09-15 Nick Clifton <nickc@redhat.com>
158 * doc/md.texi (Processor pipeline description): Fix typo in
159 example of how to use the absence_set directive and reword the
160 description to make it slightly easier to read.
162 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
164 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
165 * loop-doloop.c (doloop_optimize): Use it to limit costs of
166 expanding the number of iterations.
167 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
169 * cfgrtl.c (emit_insn_at_entry): New function.
170 * rtl.h (emit_insn_at_entry): Declare it.
171 * integrate.c (emit_initial_value_sets): Use it.
173 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
175 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
177 (struct loop_work and related VEC declarations): Delete.
178 (bfin_dump_loops): Print out new member bad.
179 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
180 (bfin_scan_loop): Don't recurse.
181 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
182 loops. No longer need to update outer loops if the current one is
183 found bad. Move some validitiy checks to bfin_discover_loop.
184 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
185 but changed not to check for nesting. Also changed to use the new bad
187 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
188 time. Use bitmap based test to discover loop nesting.
190 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
192 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
195 2006-09-14 Richard Guenther <rguenther@suse.de>
196 Kazu Hirata <kazu@codesourcery.com>
199 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
200 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
201 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
202 with TARGET_FUNCTION_VALUE.
204 2006-09-14 Anatoly Sokolov <aesok@post.ru>
207 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
209 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
211 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
214 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
217 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
220 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
222 * basic_block.h (bb_has_eh_pred): Fix comment.
224 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
226 * flow.c (calculate_global_regs_live): Invalidate eh registers
227 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
228 (propagate_block): Handle eh registers as if they were set at basic
230 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
232 * global.c (global_conflicts): Make eh registers to conflict with
233 pseudos live at basic block begin.
234 * basic_block.h (bb_has_eh_pred): New function.
236 2006-09-13 Richard Sandiford <richard@codesourcery.com>
238 PR rtl-optimization/28982
239 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
240 index of a PRE_MODIFY or POST_MODIFY address.
241 * reload1.c (inc_for_reload): Use find_replacement on the original
242 base and index registers.
244 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
246 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
247 for -Os. Update __m128 alignment requirement.
249 2006-09-13 Jan Hubicka <jh@suse.cz>
251 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
253 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
255 PR rtl-optimization/28243
256 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
257 the insn to which the note was originally attached.
259 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
260 Roger Sayle <roger@eyesopen.com>
262 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
263 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
264 on platforms that don't use dwarf for debug info.
266 2006-09-12 Jason Merrill <jason@redhat.com>
269 * builtins.c (expand_builtin_setjmp_receiver): Clobber
270 hard_frame_pointer_rtx after using it to update the frame pointer.
272 2006-09-12 Roger Sayle <roger@eyesopen.com>
274 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
275 (TARGET_ASM_CLOSE_PAREN): Likewise.
276 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
277 (TARGET_ASM_CLOSE_PAREN): Likewise.
279 2006-09-12 Roger Sayle <roger@eyesopen.com>
282 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
283 frame information for frames larger than 512 Kbytes on Tru64 when
284 using the native assembler.
286 2006-09-12 Roger Sayle <roger@eyesopen.com>
290 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
291 and symbols. Instead use the implementation from cse.c's hash_rtx.
293 2006-09-12 Jan Hubicka <jh@suse.cz>
295 PR rtl-optimization/28071
296 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
297 (vect_transform_loop): Likewise.
298 * tree-vectorizer.c (new_loop_vec_info): Likewise.
299 (new_loop_vec_info): Likewise.
300 (destroy_loop_vec_info): Likewise.
301 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
302 (create_stmt_ann): Likewise.
303 (create_tree_ann): Rename to ...
304 (create_tree_common_ann): ... this one; allocate only the common part
306 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
307 (get_value_handle): Likewise.
308 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
310 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
311 (vinfo_for_stmt): Use stmt annotations.
312 * tree-flow.h (tree_ann_common_t): New type.
313 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
314 (tree_ann, get_tree_ann, create_tree_ann): New.
315 * tree-flow-inline.h (get_function_ann): Do more type checking.
316 (stmt_ann): Likewise.
317 (tree_ann): Rename to ...
318 (tree_common_ann): ... this one; return ony common_ann
319 (get_tree_ann): Rename to ...
320 (tree_common_ann): This one; return only common_ann.
321 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
324 2006-09-11 Geoffrey Keating <geoffk@apple.com>
326 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
329 * dwarf2out.c (dwarf_file_data): New.
330 (enum dw_val_class): Add dw_val_class_file.
331 (struct dw_val_struct): Add val_file.
332 (file_table): Change to a hash table.
333 (file_table_emitted): Delete.
334 (file_table_last_lookup_index): Delete.
336 (last_emitted_file): New.
337 (lookup_filename): Change prototype to return a struct dwarf_file_data.
338 (init_file_table): Delete.
339 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
340 (AT_addr): Add comment.
344 (print_die): Handle dw_val_class_file.
345 (print_dwarf_line_table): Update for new file table structure.
346 (attr_checksum): Do checksum a filename.
347 (same_dw_val_p, same_attr_p): Do compare a filename.
348 (size_of_die): Handle dw_val_class_file.
349 (value_format): Likewise.
350 (output_die): Likewise. Also, call maybe_emit_file here.
351 (struct file_info): Constify filenames. Make file_idx a pointer
352 to a struct dwarf_file_data.
353 (struct dir_info): Constify directory names. Remove 'used' field.
354 (struct file_name_acquire_data): New.
355 (file_name_acquire): New.
356 (output_file_names): Modify to handle new file data structures.
357 (add_src_coords_attributes): Use add_AT_file.
358 (add_call_src_coords_attributes): Likewise.
359 (dwarf2out_imported_module_or_decl): Likewise.
360 (gen_subprogram_die): Modify for new file data structures.
361 (gen_variable_die): Likewise.
362 (file_table_eq): New.
363 (file_table_hash): New.
364 (file_table_last_lookup): New.
365 (lookup_filename): Rewrite to handle new file data structures.
366 (maybe_emit_file): Rewrite to handle new file data structures.
367 (dwarf2out_source_line): Always call lookup_filename and
369 (dwarf2out_init): Create file_table here.
370 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
371 (file_table_relative_p): New.
372 (dwarf2out_finish): Change detection of relative filenames
373 to work with new file data structures. Move output_line_info call
374 after debug_info output.
376 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
381 * config/i386/i386.c (override_options): Always default to 16
384 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
387 * var-tracking.c (dump_dataflow_set): Start dumping at
389 (clobber_variable_part): Kill only the variable part in
390 registers holding it, leaving other variables alone.
392 2006-09-11 Josh Triplett <josh@freedesktop.org>
394 * doc/extend.texi (Other Builtins): Actually use the macro
395 argument in the documentation example for
396 __builtin_types_compatible_p.
398 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
400 PR rtl-optimization/28726
401 * sched-deps.c (sched_analyze_reg): New function extracted from...
402 (sched_analyze_1): ...here. Call it to analyze references to
403 registers. Treat again writes to a stack register as writing to the
405 (sched_analyze_2): ...and here. Call it to analyze references to
406 registers. Treat again reads of a stack register as reading the
409 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
410 David Edelsohn <edelsohn@gnu.org>
413 * config/rs6000/spe.md (frob_df_di): Remove %H.
414 (frob_di_df): Remove %H. Change evmergelo to mr.
415 (frob_di_df_2): Remove %H. Change evldd to two loads.
417 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
419 * doc/cpp.texi: Fix names of charset options.
421 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
424 * config/i386/i386.c (override_options): Use 128-bit
425 stack boundary always for 64bits.
427 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
429 PR rtl-optimization/28636
430 * combine.c (force_to_mode): Test for side-effects before
431 substituting by zero.
432 (simplify_shift_const): Likewise for zero or other constants.
434 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
437 * builtins.c (expand_builtin_setjmp): Force next_lab to be
440 2006-09-10 Richard Sandiford <richard@codesourcery.com>
443 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
444 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
445 returned by mode_for_size, rather than the mode of src itself,
446 to choose between 32-bit and 64-bit patterns.
447 (mips_mem_fits_mode_p): New function.
448 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
449 that the size of the source matches the size of the destination.
450 (mov_<store>l, mov_<store>r): Likewise.
452 2006-09-10 Eric Christopher <echristo@apple.com>
454 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
457 2006-09-09 Eric Christopher <echristo@apple.com>
460 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
463 2006-09-09 Roger Sayle <roger@eyesopen.com>
464 Nicolas Setton <setton@adacore.com>
466 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
468 2006-09-10 Andreas Schwab <schwab@suse.de>
470 * config/m68k/m68k.md (bungt_rev): New pattern.
472 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
473 Dale Johannesen <dalej@apple.com>
476 * regclass.c (struct reg_pref): Update documentation.
477 (regclass): Set prefclass to NO_REGS if memory is the best option.
478 (record_reg_classes): Cope with a prefclass set to NO_REGS.
480 2006-09-08 Eric Christopher <echristo@apple.com>
482 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
483 * config/t-slibgcc-darwin: Support x86_64 multilib.
484 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
485 Return 1 for x86_64-darwin.
486 * config/i386/t-darwin: Add m64 multilib.
487 (LIB2_SIDITI_CONV_FUNCS): Use.
488 (LIB2FUNCS_EXTRA): Ditto.
489 * config/i386/darwin.h: Support x86_64.
490 * config/i386/i386.c (override_options): Turn on flag_pic
491 for x86_64-darwin. Disable flag_omit_pointer.
492 (get_pc_thunk_name): Assert !TARGET_64BIT.
493 (legitimate_address_p): Disable machopic addressing for
495 (legitimize_pic_address): Ditto.
496 (ix86_expand_move): Ditto.
497 (ix86_expand_call): Ditto.
498 (machopic_output_stub): Ditto.
499 * config/darwin.c (machopic_select_section): Support literal16.
500 (machopic_select_rtx_section): Ditto.
501 * config/darwin-sections.def: Ditto.
502 * config/darwin-64.c: New.
504 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
507 * c-tree.h (struct c_arg_info): Add pending_sizes.
508 * c-parser.c (c_parser_parms_declarator,
509 c_parser_parms_list_declarator): Initialize pending_sizes.
510 * c-decl.c (get_parm_info): Initialize pending_sizes.
511 (get_parm_info): Set pending_sizes.
512 (grokdeclarator): Call put_pending_sizes for parameters for
513 function definition only.
515 2006-09-07 Jason Merrill <jason@redhat.com>
518 * varasm.c (output_constant): Only strip actual no-op conversions.
521 * config/i386/i386.c (override_options): Use 128-bit
522 stack boundary if -msse.
524 2006-09-07 Eric Christopher <echristo@apple.com>
526 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
528 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
531 2006-09-07 Geoffrey Keating <geoffk@apple.com>
533 * dwarf2out.c: Remove strange characters from comment above
534 dwarf2out_frame_debug_expr.
536 2006-09-07 Eric Christopher <echristo@apple.com>
538 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
539 * config/darwin.h: ... to here.
541 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
543 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
545 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
546 (TARGET_PARTIAL_FLAG_REG_STALL): New.
548 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
549 TARGET_PARTIAL_FLAG_REG_STALL.
550 (*ashldi3_cconly_rex64): Likewise.
551 (*ashlsi3_cmp): Likewise.
552 (*ashlsi3_cconly): Likewise.
553 (*ashlsi3_cmp_zext): Likewise.
554 (*ashlhi3_cmp): Likewise.
555 (*ashlhi3_cconly): Likewise.
556 (*ashlqi3_cmp): Likewise.
557 (*ashlqi3_cconly): Likewise.
558 (*ashrdi3_cmp_rex64): Likewise.
559 (*ashrdi3_cconly_rex64): Likewise.
560 (*ashrsi3_cmp): Likewise.
561 (*ashrsi3_cconly): Likewise.
562 (*ashrsi3_cmp_zext): Likewise.
563 (*ashrhi3_cmp): Likewise.
564 (*ashrhi3_cconly): Likewise.
565 (*ashrqi3_cmp): Likewise.
566 (*ashrqi3_cconly): Likewise.
567 (*lshrdi3_cmp_rex64): Likewise.
568 (*lshrdi3_cconly_rex64): Likewise.
569 (*lshrsi3_cmp): Likewise.
570 (*lshrsi3_cconly): Likewise.
571 (*lshrsi3_cmp_zext): Likewise.
572 (*lshrhi3_cmp): Likewise.
573 (*lshrhi3_cconly): Likewise.
574 (*lshrqi2_cmp): Likewise.
575 (*lshrqi2_cconly): Likewise.
577 2006-09-07 Uros Bizjak <uros@kss-loka.si>
580 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
581 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
582 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
583 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
584 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
585 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
586 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
587 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
588 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
589 implement only CC setting effects of shift instructions.
591 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
593 * doc/contrib.texi: Add myself.
595 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
598 * stor-layout.c (relayout_decl): Don't zero the alignment if it
601 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
604 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
605 (divsi_inv_m1): Use them.
606 (UNSPEC_DIV_INV_TABLE): New constant.
608 2006-09-06 James E Wilson <wilson@specifix.com>
611 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
612 then call count_or_remove_death_notes.
614 2006-09-06 Jason Merrill <jason@redhat.com>
617 * tree-inline.c (copy_result_decl_to_var): New fn.
618 (declare_return_variable): Use it. Call declare_inline_vars here.
619 (expand_call_inline): Not here.
621 2006-09-06 Diego Novillo <dnovillo@redhat.com>
623 * doc/contrib.texi: Update my entry.
625 2006-09-06 Nick Clifton <nickc@redhat.com>
627 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
629 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
632 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
633 (canonicalize_induction_variables): Likewise.
634 (tree_unroll_loops_completely): Likewise.
635 (tree_ssa_prefetch_arrays): Likewise.
636 (remove_empty_loops): Likewise.
637 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
638 TODO_cleanup_cfg instead of directly calling
639 cleanup_tree_cfg_loop.
640 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
642 (tree_unroll_loops_completely): Likewise.
643 (remove_empty_loops): Likewise.
644 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
645 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
646 of tree_ssa_unswitch_loops.
647 (tree_ssa_loop_ivcanon): Use the return value of
648 canonicalize_induction_variables.
649 (tree_ssa_empty_loop): Use the return value of
651 (tree_complete_unroll): Use the return value of
652 tree_unroll_loops_completely.
653 (tree_ssa_loop_prefetch): Use the return value of
654 tree_ssa_prefetch_arrays.
655 * passes.c (execute_todo): Before Cleanup CFG, set
656 updating_used_alone and after cleanup CFG, call
657 recalculate_used_alone.
659 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
662 * tree-vect-transform.c (vectorizable_condition): Move the check
663 for the type after the check for simple condition.
665 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
666 Kaz Kojima <kkojima@gcc.gnu.org>
669 * mode-switching.c (optimize_mode_switching): Make the destination
670 block of an abnormal edge have no anticipatable mode. Don't
671 insert mode switching code at the end of the source block of
674 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
676 PR rtl-optimization/26847
677 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
678 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
679 (simplify_plus_minus): Count n_constants while filling ops. Replace
680 qsort with insertion sort. Before going through the array to simplify
681 pairs, sort it. Delay early exit until after the first sort, exiting
682 only if no swaps occurred. Simplify pairs in reversed order, without
683 special-casing the first iteration. Pack ops after simplifying pairs.
685 2006-09-05 Anatoly Sokolov <aesok@post.ru>
687 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
688 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
689 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
690 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
692 2006-09-05 Richard Guenther <rguenther@suse.de>
694 PR tree-optimization/28900
695 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
696 compound conditional before creating COND_EXPR condition.
698 2006-09-05 Richard Guenther <rguenther@suse.de>
700 PR tree-optimization/28905
701 * tree-vrp.c (fix_equivalence_set): Manually implement
702 !value_ranges_intersect_p to also handle symbolic ranges.
704 2006-09-05 Richard Guenther <rguenther@suse.de>
707 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
710 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
712 PR rtl-optimization/27616
713 * cse.c (table_size): New static variable.
714 (new_basic_block): Initialize it to 0.
715 (remove_from_table): Decrement it.
716 (insert): Increment it.
717 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
718 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
719 fold_rtx_mem_1 if under the cap.
720 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
721 the lookup of the equivalent expression and test for equality of the
722 first operand of the equivalent expression before in turn looking up
723 an equivalent constant for the second operand.
725 2006-09-02 Geoffrey Keating <geoffk@apple.com>
728 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
729 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
730 pointer, instead of assuming it is possible to derive the
731 correct args size from a call insn.
733 2006-09-02 Jakub Jelinek <jakub@redhat.com>
736 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
737 (fold_builtin_mempcpy): Rename to...
738 (fold_builtin_memory_op): ... this. Optimize one element copy
740 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
742 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
743 (expand_builtin_memcpy, expand_builtin_mempcpy,
744 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
745 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
746 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
747 BUILT_IN_MEM{CPY,PCPY,MOVE}.
749 2006-09-01 DJ Delorie <dj@redhat.com>
751 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
753 ("stzx_24_<mode>"): Likewise.
754 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
755 ("cmp<mode>_op"): New.
756 (cmp<mode>): Change to expander; just save operands.
758 (b<code>): Change to expander, emit compare here.
759 (s<code>_op): Change to use split and expander.
760 (s<code>_24_op): Likewise.
761 (s<code>_<mode>): New.
762 (s<code>_<mode>_24): New.
763 (movqicc_<code>_<mode): New.
764 (movhicc_<code>_<mode>): New.
767 * config/m32c/m32c.c (compare_op0, compare_op1): New.
768 (m32c_pend_compare): New.
769 (m32c_unpend_compare): New.
770 (m32c_expand_scc): New.
771 (m32c_expand_movcc): Emit the compare also.
772 * config/m32c/predicates.md (mra_nopp_operand): New.
774 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
775 Richard Guenther <rguenther@suse.de>
776 Adam Nemet <anemet@caviumnetworks.com>
779 * builtins.c (get_pointer_alignment): Handle more forms
780 of base addresses that can be used to derive more precise
781 information about alignment.
783 2006-09-01 Jason Merrill <jason@redhat.com>
786 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
789 * gimplify.c (voidify_wrapper_expr): Handle null type.
791 2006-09-01 Josh Conner <jconner@apple.com>
794 * tree-nrv.c (dest_safe_for_nrv_p): New function.
795 (execute_return_slot_opt): Use it.
797 2006-08-31 Josh Conner <jconner@apple.com>
800 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
801 returning aggregates.
803 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
805 PR tree-optimization/28839
806 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
807 blocks in that phi arguments appear.
809 2006-08-31 Roger Sayle <roger@eyesopen.com>
812 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
813 NULL, otherwise use an advance_loc4 to adjust relative to the
815 (output_cfi) <DW_CFA_set_loc>: Update the current label.
816 (dwarf2out_switch_text_section): Reset the current label to avoid
817 using advance_loc4 over section boundaries.
819 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
822 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
823 r12 + SYMBOLIC_CONST.
825 2006-08-30 Richard Guenther <rguenther@suse.de>
827 * Makefile.in (see.o): Add $(EXPR_H) dependency.
829 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
831 PR rtl-optimization/27735
832 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
833 Add new argument to keep track of whether an irreducible region
834 was affected. All callers changed.
835 (fix_irreducible_loops): Removed.
836 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
837 flags were invalidated.
839 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
841 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
842 instead of SF operands.
843 (*fop_df_comm_sse): Likewise.
844 (*fop_df_comm_i387): Likewise.
845 (*fop_df_1_mixed): Likewise.
846 (*fop_df_1_sse): Likewise.
848 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
849 J"orn Rennecke <joern.rennecke@st.com>
851 PR tree-optimization/17506
852 * tree-ssa.c (warn_uninit): If warning about a location outside of
853 the current function, note where the variable was declared.
855 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
857 PR tree-optimization/28411
858 * double-int.c (double_int_div): Use double_int_divmod.
859 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
860 double_int_mod, double_int_smod, double_int_umod): New functions.
861 * double-int.h (double_int_divmod, double_int_sdivmod,
862 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
864 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
866 (get_computation_aff, get_computation_cost_at): Handle double_int
867 return type of constant_multiple_of.
869 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
872 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
873 an implicit conversion.
875 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
877 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
879 2006-08-27 Roger Sayle <roger@eyesopen.com>
881 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
884 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
886 * config/i386/crtfastmath.c: Fix a comment typo.
888 2006-08-26 Roger Sayle <roger@eyesopen.com>
890 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
891 temporary visit flags on CASE_LABEL_EXPRs.
892 * c-common.c (match_case_to_enum): Add function comment. Avoid
893 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
894 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
895 CASE_HIGH_SEEN for enumerated types. If the switch expression is
896 a constant, only warn if that constant value isn't handled.
898 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
901 * input.h (restore_input_file_stack): Declare.
902 (INPUT_FILE_STACK_BITS): Define.
903 * toplev.c (fs_p, input_file_stack_history,
904 input_file_stack_restored, restore_input_file_stack): New.
905 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
906 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
907 (pop_srcloc): Don't free old state of stack.
909 2006-08-26 David Edelsohn <edelsohn@gnu.org>
912 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
913 (PowerPC Type Attributes): New.
915 2006-08-26 Bob Wilson <bob.wilson@acm.org>
917 * config/xtensa/xtensa.c (function_arg_boundary): New.
918 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
920 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
921 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
923 2006-08-26 Jakub Jelinek <jakub@redhat.com>
926 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
929 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
931 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
932 (verify_local_live_at_start): Likewise.
934 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
937 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
938 omp_add_variable): Treat sizes as variable whenever not
941 2006-08-26 Richard Guenther <rguenther@suse.de>
944 * fold-const.c (fold_binary): Fold temporary to correct
945 type before constructing new comparison.
947 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
950 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
951 variable again if DECL_SEEN_IN_BIND_EXPR_P.
953 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
956 * c-decl.c (start_function): Don't try to process prototype
957 information from old declaration that isn't a function.
959 2006-08-25 Jan Hubicka <jh@suse.cz>
962 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
964 2006-08-25 Alan Modra <amodra@bigpond.net.au>
967 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
970 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
972 PR tree-optimization/16876
973 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
974 exit if PARM doesn't match VALUE.
976 2006-08-25 Bob Wilson <bob.wilson@acm.org>
978 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
979 literal_prefix directive.
980 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
981 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
982 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
984 2006-08-25 David Edelsohn <edelsohn@gnu.org>
987 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
988 predicate to general_operand. Add 0->y and I->r alternatives.
990 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
992 * doc/tm.texi: Fix a typo.
993 * predict.c: Fix comment typos.
995 2006-08-25 Nick Clifton <nickc@redhat.com>
997 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
998 assertions of "cpu" and "machine".
1000 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1003 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1004 the access through a base which has an alias set of 0 cannot
1007 2006-08-24 Bill Wendling <wendling@apple.com>
1009 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1011 2006-08-24 Jan Hubicka <jh@suse.cz>
1013 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1015 2006-08-24 Jan Hubicka <jh@suse.cz>
1018 * cgraph.c: Fix comments.
1019 (cgraph_varpool_mark_needed_node): Mark only variables not already
1021 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1022 (cgraph_varpool_assembled_nodes_queue): New static variable.
1023 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1024 (cgraph_varpool_output_debug_info): New function.
1025 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1026 * Makefile.in: Add gt-cgraphunit.h
1028 2006-08-24 Jan Hubicka <jh@suse.cz>
1030 * predict.c (probability_reliable_p): New predicate.
1031 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1032 (predict_loops): Do not predict loop exit with less than 2%
1034 * basic-block.h (edge_probability_reliable_p,
1035 br_prob_note_reliable_p): Declare.
1036 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1037 prediction when static predictor is not reliable.
1038 * rs6000.c (output_cbranch): Likewise.
1040 2006-08-23 Stuart Hastings <stuart@apple.com>
1043 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1044 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1046 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1049 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1050 complex values, nor for generic vector values.
1052 2006-08-22 Richard Guenther <rguenther@suse.de>
1055 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1056 parameter. Convert arguments to arithmetic expression to the
1058 (analyze_scalar_evolution_1): Adjust caller.
1060 2006-08-22 Jan Hubicka <jh@suse.cz>
1062 Patch by Paolo Bonzini
1063 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1066 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1068 PR tree-optimization/28003
1069 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1070 before grouping aliases.
1072 2006-08-22 Roger Sayle <roger@eyesopen.com>
1074 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1075 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1077 2006-08-21 Jason Merrill <jason@redhat.com>
1080 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1081 wrapper. Loop to handle nested wrappers.
1082 (gimplify_bind_expr): Remove temp parameter.
1083 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1084 and STATEMENT_LIST on the rhs.
1085 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1086 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1087 (gimplify_target_expr): Remove special BIND_EXPR handling.
1089 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1091 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1094 2006-08-21 Olivier Hainque <hainque@adacore.com>
1096 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1097 Arrange for the temporary captures of components overlapping the lhs
1098 to happen before the lhs is possibly cleared.
1100 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1102 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1103 necessary places to pass the correct "number of registers" values
1106 2006-08-20 Jan Hubicka <jh@suse.cz>
1108 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1109 (create_name_tags): Instead of quadratic checking use hashtable.
1110 * bitmap.h: Include hashtab.h.
1111 (bitmap_hash): Declare.
1112 * bitmap.c (bitmap_hash): New function.
1114 2006-08-20 Jan Hubicka <jh@suse.cz>
1116 PR rtl-optimization/28071
1117 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1119 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1120 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1121 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1122 cgraph_decide_inlining_incrementally): Update use of
1123 cgraph_check_inline_limits.
1124 * cgraph.c (edge_hash, edge_eq): New function.
1125 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1126 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1127 cgraph_remove_node): Maintain call site hash.
1128 * cgraph.h (struct cgraph_node): Add call_site_hash.
1129 (cgraph_set_call_stmt): New function.
1131 2006-08-20 Jan Hubicka <jh@suse.cz>
1133 PR rtl-optimization/28071
1134 * reload1.c (reg_has_output_reload): Turn into regset.
1135 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1136 choose_reload_regs, emit_reload_insns): Update to new
1137 reg_has_output_reload.
1139 2006-08-20 Jan Hubicka <jh@suse.cz>
1142 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1143 function body sizes.
1144 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1146 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1149 * tree.c (handle_dll_attribute): Return early if not a
1150 var or function decl.
1152 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1155 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1156 alignment of SPE vector types.
1158 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1160 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1162 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1165 * cgraph.h (struct cgraph_node): Remove externally_visible
1167 * cgraphunit.c (process_function_and_variable_attributes): Set
1168 local.externally_visible rather than externally_visible.
1171 * c-common.c (handle_externally_visible_attribute): First look
1172 at TREE_CODE and only if it is function or var decl, check for
1173 non-public objects. Don't warn for DECL_EXTERNAL.
1174 * cgraphunit.c (process_function_and_variable_attributes): Warn
1175 if externally_visible attribute is used on non-public object.
1177 2006-08-17 Jan Hubicka <jh@suse.cz>
1179 PR tree-optimization/27865
1180 * reload1.c (forget_marked_reloads): New function.
1181 (forget_old_reloads_1): When data are passed, just mark the registers
1183 (reload_as_needed): Use the new mechanizm.
1185 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1188 * reload.h (reg_equiv_alt_mem_list): New declaration.
1189 * reload1.c (reg_equiv_alt_mem_list): New definition.
1190 (reload): Initialize it and release it.
1191 (delete_output_reload): Use it.
1192 * reload.c (push_reg_equiv_alt_mem): New function.
1193 (find_reloads_toplev): Call it.
1194 (find_reloads_address, find_reloads_address_1): Likewise.
1195 (find_reloads_subreg_address): Likewise.
1197 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1199 PR rtl-optimization/28489
1200 * sched-ebb.c (begin_schedule_ready): Create basic block
1202 (advance_target_bb): Skip empty blocks.
1203 * haifa-sched.c (bb_note): Make global.
1204 * sched-int.h (bb_note): Add prototype.
1206 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1208 PR tree-optimization/27865
1209 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1211 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1212 fold_used_pointer, pointer_used_p): New functions.
1213 (analyze_scalar_evolution_1): Use fold_used_pointer.
1214 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1215 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1218 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1221 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1222 or the INTEGER_CST. Fail on a CALL_EXPR.
1223 (fold_offsetof): Pass new argument to fold_offsetof_1.
1224 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1225 operand into an INDIRECT_REF.
1226 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1228 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1230 PR gcov/profile/26570
1231 * value-prof.c (static_values): Removed.
1232 (tree_find_values_to_profile): Do not set static_values.
1233 (find_values_to_profile): Do not free static_values.
1234 * profile.c (instrument_values): Do not free the values.
1235 (branch_prob): Free the values.
1237 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1239 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1241 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1244 * c-typeck.c (build_component_ref): Combine qualifiers of
1245 structure or union and field.
1247 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1249 PR rtl-optimization/28071
1250 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1251 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1252 * tree-into-ssa.c (struct dom_dfsnum): New.
1253 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1255 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1256 compute_global_livein.
1257 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1258 in phi nodes in the correct blocks.
1260 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1262 PR tree-optimization/28364
1263 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1265 (fold_affine_expr): New function.
1266 (may_eliminate_iv): Use fold_affine_expr.
1268 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1271 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1274 2006-08-16 Mike Stump <mrs@apple.com>
1276 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1277 * doc/cppopts.texi (-MD): Likewise.
1279 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1282 * c-common.c (handle_weak_attribute): Ignore and warn if
1283 not a FUNCTION_ or VAR_DECL.
1285 2006-07-15 Mike Stump <mrs@apple.com>
1288 * c-parser.c (c_parser_typeof_specifier): Don't use
1289 c_finish_expr_stmt, open code desired semantics instead.
1291 2006-08-15 Nick Clifton <nickc@redhat.com>
1293 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1294 fragment to tmake_file only if threads are enabled.
1295 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1296 * config/i386/t-gthr-win32: New file. ... here.
1298 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1301 * c-parser.c (c_parser_compound_statement_nostart): Reset
1302 parser->error after each statement.
1304 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1307 * omp-low.c (lower_omp_parallel): Convert t to
1308 receiver_decl's type.
1309 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1310 source before comparison.
1313 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1314 to itype in assignment to oldival2.
1316 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1320 * c-typeck.c (build_compound_expr): If the second expression
1321 is an error mark, then just return an error mark instead of
1322 creating a COMPOUND_EXPR.
1324 2006-07-14 Mike Stump <mrs@apple.com>
1326 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1328 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1330 * c-decl.c, var-tracking.c: Fix comment typos.
1332 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1334 PR rtl-optimization/28634
1335 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1336 for floating-point modes unless flag_unsafe_math_optimizations.
1338 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1339 Andrew Pinski <pinskia@physics.uc.edu>
1342 * tree.c (build_array_type): Unify array types with
1343 unspecified index_type.
1344 * c-decl.c (grokdeclarator): Make sure we do not modify a
1345 unified incomplete array type.
1346 * c-typeck.c (store_init_value): Create distinct type before
1347 filling in the index type in an initializer from a compound
1350 * c-decl.c (grokdeclarator): Remove code where we copy the
1353 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1355 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1356 into account for TODO_dump_cgraph.
1357 (TODO_update_ssa_no_phi): Likewise.
1358 (TODO_update_ssa_full_phi): Likewise.
1359 (TODO_update_ssa_only_virtuals): Likewise.
1360 (TODO_remove_unused_locals): Likewise.
1361 (TODO_set_props): Likewise.
1362 (TODO_update_stmt_usage): Likewise.
1364 2006-08-13 Dirk Mueller <dmueller@suse.de>
1366 * c-common.c (strict_aliasing_warning): Fix formatting.
1368 2006-08-13 Matthias Klose <doko@debian.org>
1370 * doc/invoke.texi: Fix spelling errors.
1372 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1374 PR rtl-optimization/23454
1375 * reorg.c (relax_delay_slots): Update comment.
1377 2006-08-11 Richard Guenther <rguenther@suse.de>
1380 * simplify-rtx.c (simplify_const_relational_operation):
1381 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1384 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1386 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1387 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1389 2006-08-10 Paul Brook <paul@codesourcery.com>
1391 * final.c (final_scan_insn): Clear current_insn_predicate before
1392 outputting inline asm.
1394 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1396 PR tree-optimization/26197
1397 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1398 get_ref_base_and_extent and overlap_subvar to add only relevant
1399 subvars as may-aliases.
1400 (add_may_alias_for_new_tag): New function, factored out of
1402 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1403 with additional argument.
1404 * tree-flow.h (new_type_alias): Takes additional argument.
1406 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1408 * gcov.c (no_data_file): New flag.
1409 (read_count_file): Set it if data file not present. Assume counts
1411 (output_lines): Don't name the data file, if there wasn't one.
1413 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1415 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1416 (rs6000_generate_compare): Tweak comments.
1417 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1419 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1421 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1422 (var_debug_decl): New function.
1423 (var_reg_set): Follow debug decl link. Add location even if
1424 reg is already known to hold some other variable.
1425 (var_mem_set): Follow debug decl link.
1426 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1427 decl link. Delete other known locations of the variable part
1429 (var_reg_delete, var_mem_delete): Delete other known locations
1430 of the variable part if requested.
1431 (same_variable_part_p): New function.
1432 (add_stores): Select MO_COPY when appropriate.
1433 (vt_initialize): Handle it.
1434 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1435 known locations for MO_SET and MO_CLOBBER.
1436 (find_variable_location_part): New function.
1437 (set_variable_part, delete_variable_part): Use it.
1438 (clobber_variable_part): New function.
1439 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1442 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1444 PR tree-optimization/26969
1445 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1446 with an empty list of PHIs.
1448 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1452 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1455 2006-08-06 Andreas Schwab <schwab@suse.de>
1457 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1458 string. Whitespace and comment fixup.
1460 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1463 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1467 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1470 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1472 2006-08-04 Jan Hubicka <jh@suse.cz>
1476 * reload.c (push_reload): Patch out the mismatching instruction;
1478 (find_reload): Bail out if the instruction was patched out.
1480 2006-08-04 Jan Hubicka <jh@suse.cz>
1482 PR tree-optimization/24888
1483 * tree-inline.c (expand_call_inline): Do not re-record variables.
1484 (declare_inline_vars): Add variable to unexpanded_var_list.
1486 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1487 Roger Sayle <roger@eyesopen.com>
1489 PR rtl-optimization/26244
1490 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1491 inner_const are negative or greater than or equal to the bitsize of
1492 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1493 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1494 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1495 CONST0_RTX (mode) when the new shift count is greater than or equal to
1496 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1499 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1501 * tree-cfg.c: Fix a comment typo.
1503 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1506 * varasm.c (output_constant): Give the front end another chance to
1507 expand constants, after stripping NOPs.
1509 2006-08-03 Jan Hubicka <jh@suse.cz>
1511 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1514 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1516 PR tree-optimization/27770
1517 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1518 declaration removed (moved to tree-flow.h).
1519 (vect_can_force_dr_alignment_p): Likewise.
1520 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1521 (moved from tree-vectorizer.h).
1522 (vect_can_force_dr_alignment_p): Likewise.
1523 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1524 from outside the vectorizer - in particular from cgraph stage.
1525 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1526 the alignment of global arrays when -fsection-anchors is enabled.
1527 * cgraphunit.c (cgraph_increase_alignment): New function.
1528 (cgraph_optimize): Call cgraph_increase_alignment.
1530 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1533 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1534 not reload a SPE symbol_ref into a lo_sum address.
1536 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1539 * dwarf2out.c (prune_unused_types_prune): Move call to
1540 prune_unused_types_update_strings to cover the parent DIE also.
1542 2006-08-02 Jan Hubicka <jh@suse.cz>
1544 PR gcov/profile/28480
1545 * tree-cfg.c (change_bb_for_stmt): New function.
1546 (tree_merge_blocks, tree_split_blocks): Use it.
1548 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1554 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1555 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1556 (cgraph_optimize): Likewise.
1558 2006-08-01 Stuart Hastings <stuart@apple.com>
1560 * rtl.h (UINTVAL) New.
1561 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1562 * testsuite/gcc.dg/20060801-1.c: New.
1564 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1567 * c-typeck.c (build_external_type): Mark used enum types.
1568 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1570 (gen_subprogram_die): Whitespace fix.
1572 2006-08-01 Jan Hubicka <jh@suse.cz>
1574 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1575 bitmap when not needed.
1576 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1579 2006-08-01 Dirk Mueller <dmueller@suse.de>
1581 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1583 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1585 * Makefile.in: Revert part of previous patch:
1586 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1589 2006-07-30 Eric Christopher <echristo@apple.com>
1592 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1593 (PowerPC Variable Attributes): New section.
1595 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1597 PR target/28126 (partial fix)
1598 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1600 2006-07-28 Jan Hubicka <jh@suse.cz>
1602 PR rtl-optimization/28071
1603 * cfgrtl.c (rtl_delete_block): Free regsets.
1604 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1606 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1608 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1609 and variables used in dependencies.
1611 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1613 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1614 %fs for -mcmodel=kernel.
1615 (stack_tls_protect_test_di): Likewise.
1617 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1619 * Makefile.in: Use mkinstalldirs.
1621 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1624 * opts-common.c (prune_options): Skip joined switches.
1626 2006-07-27 Jan Hubicka <jh@suse.cz>
1628 PR rtl-optimization/28071
1629 * cselib.c (cselib_process_insn): Don't remove useless values too
1630 often for very large hashtables.
1632 2006-07-27 Jan Hubicka <jh@suse.cz>
1634 PR rtl-optimization/28071
1635 * global.c (greg_obstack): New obstack.
1636 (allocate_bb_info): Use it.
1637 (free_bb_info): Likewise.
1638 (modify_reg_pav): Likewise.
1640 2006-07-27 Roger Sayle <roger@eyesopen.com>
1642 * builtins.c (fold_fixed_mathfn): When long and long long are the
1643 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1644 functions to their lceil*, lfloor*, lround* and lrint* forms.
1646 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1649 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1651 (rev_branch_insn): Likewise.
1653 2006-07-27 Jan Hubicka <jh@suse.cz>
1655 PR rtl-optimization/28071
1656 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1657 (reg_set_in_bb, max_reg_computed): New static variables.
1658 (regmove_optimize): Free the new array.
1659 (fixup_match_1): Update call of reg_is_remote_constant_p.
1661 2006-07-26 Jan Hubicka <jh@suse.cz>
1663 PR tree-optimization/27882
1664 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1666 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1668 (cgraph_analyze_compilation_unit): Likewise.
1669 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1670 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1671 (cgraph_early_inlinine): Make order garbage collected.
1672 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1674 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1676 * dbxout.c (output_types_sort): Add a comment.
1677 (output_used_types): Free the VEC.
1679 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1681 * function.c (reorder_fix_fragments): Delete.
1682 (reorder_blocks): Don't call it.
1683 (reorder_blocks_1): Put all subblocks under the origin block.
1685 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1687 PR rtl-optimization/27907
1688 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1691 2006-07-25 Roger Sayle <roger@eyesopen.com>
1694 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1695 bar(x) check that bar's result type can represent all the values of T.
1697 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1699 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1701 2006-07-25 Nick Clifton <nickc@redhat.com>
1703 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1704 size_lookup[] array.
1705 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1706 (ggc_pch_count_object): Likewise.
1707 (ggc_pch_alloc_object): Likewise.
1708 (ggc_pch_write_object): Likewise.
1709 (init_ggc): Do not attempt to initialize entries in the
1710 size_lookup[] array for objects whose size is greater than than
1711 the length of the array.
1713 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1715 * dbxout.c (output_used_types_helper): Push queued types
1717 (output_types_sort): New.
1718 (output_used_types): Collect used types on a VEC and sort them
1721 2006-07-24 Richard Guenther <rguenther@suse.de>
1724 * cgraph.c (cgraph_remove_node): Do not check if dumps
1726 * cgraphunit.c (cgraph_optimize): Likewise.
1728 2006-07-24 Jan Hubicka <jh@suse.cz>
1730 PR rtl-optimization/28071
1731 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1732 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1733 splitting before first stmt.
1735 2006-07-24 Jan Hubicka <jh@suse.cz>
1737 PR rtl-optimization/28071
1738 * ipa-inline.c (update_caller_keys): Remove edges that
1739 are no longer inline candidates.
1741 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1744 * dbxout.c (output_used_types_helper, output_used_types): New.
1745 (dbxout_symbol): Call output_used_types.
1747 2006-07-23 Jan Hubicka <jh@suse.cz>
1751 * cgraph.c (cgraph_varpool_nodes): Export.
1752 (decide_is_variable_needed): Ignored "used" attribute in
1753 unit-at-a-time mode.
1754 * cgraph.h (cgraph_varpool_nodes): Declare.
1755 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1756 unit-at-a-time mode.
1758 2006-07-23 Roger Sayle <roger@eyesopen.com>
1761 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1762 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1763 the __gthrw form of thr_keycreate.
1764 (__gthread_key_delete): Silence the unused argument warning.
1766 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1769 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1770 Cache the last found '\0' marker to avoid quadratic behavior.
1772 2006-07-23 Jan Hubicka <jh@suse.cz>
1774 * i386.md (subsi_3_zext): Fix output template.
1776 2006-07-21 Mike Stump <mrs@apple.com>
1778 * doc/invoke.texi (C++ Dialect Options): Note that
1779 -fvisibility-inlines-hidden doesn't affect explicitly
1780 instantiationed inline methods.
1782 2006-07-20 Roger Sayle <roger@eyesopen.com>
1784 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1785 if the target assembler is GNU binutils' gas.
1786 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1787 whether to pass GNU gas or native as command line options.
1789 2006-07-20 Jason Merrill <jason@redhat.com>
1791 * tree.c (remove_attribute): New fn.
1792 * tree.h: Declare it.
1794 2006-07-20 Paul Brook <paul@codesourcery.com>
1797 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1798 they are invalidated by this instruction.
1800 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1803 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1805 2006-07-20 Eric Christopher <echristo@apple.com>
1808 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1810 2006-07-19 Eric Christopher <echristo@apple.com>
1812 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1813 Rewrite dependencies for libgcc_s.1.dylib.
1815 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1817 * except.c (duplicate_eh_regions_1): Clear next_peer.
1819 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1821 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1822 -mlongcall does not guarantee all calls will be long.
1823 * doc/extend.texi (long_call/short_call): Document that longcall
1824 does not guarantee a long call will be used.
1825 (longcall/shortcall): Likewise.
1827 2006-07-18 Roger Sayle <roger@eyesopen.com>
1830 * expmed.c (expand_shift): Additionally check that the shift_cost
1831 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1832 before implementing a LSHIFT_EXPR as a sequence of additions.
1833 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1834 middle-end that DImode shifts need to be synthesized by expand.
1836 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1839 * tree-ssa-operands.c (access_can_touch_variable): Update
1841 Return true if ALIAS is .GLOBAL_VAR.
1843 2006-07-18 David Daney <ddaney@avtrex.com>
1845 * gcc.c (display_help): Fix typo in help text.
1847 2006-07-18 Olivier Hainque <hainque@adacore.com>
1849 * tree.h (categorize_ctor_elements): Adjust prototype and add
1850 descriptive comment, both in accordance with the interface change
1852 * varasm.c (constructor_static_from_elts_p): New function.
1853 Whether a constructor node is a valid static constant initializer
1854 if all its elements are.
1855 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1856 * output.h: Declare it.
1857 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1858 is a valid constant initializer instead of computing the number of
1859 non-constant elements. Use constructor_static_from_elts_p for this
1860 purpose. Replace the head comment with an indication that this is a
1861 helper for categorize_ctor_elements.
1862 (categorize_ctor_elements): Same interface change as for the _1
1863 helper. Former head comment from this helper moved here, adjusted to
1864 account for the interface changes.
1865 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1866 (all_zeros_p): Likewise.
1867 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1868 static versions of the constructor from the categorize_ctor_elements
1869 return value instead of the formerly computed number of non-constant
1872 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1874 * configure: Regenerate.
1875 * Makefile.in (build_libsubdir): New configure substitution
1876 (build_libobjdir): New variable.
1877 (BUILD_LIBIBERTY): Use it.
1879 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1882 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1884 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1887 * c-common.c (handle_weakref_attribute): Ignore attribute in
1888 the same conditions the alias attribute is ignored.
1890 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1892 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1893 (dbxout_begin_prologue): Increment scope_labelno.
1895 2006-07-17 Richard Henderson <rth@redhat.com>
1898 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1901 2006-07-17 Roger Sayle <roger@eyesopen.com>
1902 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1904 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1905 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1906 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1907 functions such as sbrk, write, etc.. Add function prototypes.
1908 Convert function declarations from K&R to ISO C. Cast pointers
1909 to "long" and "unsigned long" instead of "int" and "unsigned int".
1910 Convert tokens following #endif into comments.
1912 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1914 * invoke.texi: Remove mention of f77; Reformat table for
1915 inline parameter options correctly; mention that -malign-double
1916 is default on x86-64 targets.
1918 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1920 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1921 (convert_affine_scev, chrec_convert_aggressive): Use
1922 avoid_arithmetics_in_type_p. Do not check for the subtypes
1925 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1928 * optabs.c (expand_doubleword_shift): Wrap the call to
1929 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1931 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1934 * optabs.c (expand_binop): Pass next_methods rather than methods
1935 to expand_doubleword_shift.
1937 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1940 * tree.h (dump_addr): Declare.
1941 * print-tree.c (dump_addr): New function.
1942 (print_node_brief, print_node): Use it.
1943 * print-rtl.c (print_rtx): Likewise.
1944 * common.opt (-fdump-noaddr): New option.
1945 * doc/invoke.texi (-fdump-noaddr): Document.
1946 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1947 (ve_info_hash): Likewise.
1949 2006-07-13 Andrew Haley <aph@redhat.com>
1951 PR tree-optimization/19505
1952 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1953 edge leaving this block, make sure that the destination of this
1954 block has only one predecessor.
1956 2006-07-17 Richard Guenther <rguenther@suse.de>
1958 PR tree-optimization/28238
1959 * tree-inline.c (copy_bb): Check if we produced valid
1960 gimple copying and substituting a stmt. If not, gimplify
1963 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1965 * optabs.c (maybe_encapsulate_block): New function extracted from...
1966 (emit_libcall_block): ...here. Invoke it on the block of insns to
1967 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1968 (emit_no_conflict_block): Likewise.
1970 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1972 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1974 2006-07-15 Roger Sayle <roger@eyesopen.com>
1976 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1977 a new NOP_EXPR case of the switch statement.
1979 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1982 * stor-layout.c (place_field): Take the bit field with
1983 an excessive size into account in the ms-bitfiled case.
1986 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1987 the previous bit field.
1989 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1992 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1994 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1996 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1997 signal frames correctly even when the signal was installed with
2000 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2002 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2003 (dbxout_function_end): Use local label LFBB. Remove hook
2005 (dbxout_source_line): Use local label LFBB.
2006 (dbxout_block): Likewise.
2007 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2008 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2009 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2010 and DBX_OUTPUT_NFUN.
2012 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2014 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2016 2006-07-13 Jan Hubicka <jh@suse.cz>
2018 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2020 * output.h (align_variable): Declare.
2021 * varasm.c (align_variable): Export.
2022 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2023 when basic block changed.
2025 2006-07-13 Nick Clifton <nickc@redhat.com>
2027 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2028 walking the LOG_LINKS chain.
2030 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2032 * doc/invoke.texi (C++ Dialect Options): Explain difference
2033 between -fvisibility-inlines-hidden and setting hidden
2034 visibility explicitly.
2036 2006-07-12 Eric Christopher <echristo@apple.com>
2038 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2039 (stmp-lipo): Depend on libgcc.a.
2041 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2043 * tree.c: Fix a comment typo.
2045 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2047 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2049 (umulhisi3_r): Likewise.
2051 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2054 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2055 x < 19, vs wchar_t support.
2057 2006-07-12 Nick Clifton <nickc@redhat.com>
2059 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2060 instead of -isa=sh4.
2062 2006-07-12 Mike Stump <mrs@apple.com>
2064 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2066 2006-07-10 Eric Christopher <echristo@apple.com>
2068 * config/t-slibgcc-darwin: Rewrite.
2070 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2073 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2076 2006-07-08 Matthias Klose <doko@debian.org>
2078 * doc/sourcebuild.texi: Fix typo.
2080 2006-07-07 Mike Stump <mrs@apple.com>
2082 * toplev.c (process_options): Don't give -ffunction-sections may
2083 affect debugging warning for Mach-O.
2085 2006-07-07 James E Wilson <wilson@specifix.com>
2087 * config/mips/mips.md (cpu): Add sb1a.
2088 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2089 addition to sb1. Adjust comments to clarify SB-1A differences from
2091 (ir_sb1a_load): New. Modify bypasses to use it.
2092 (ir_sb1a_simple_alu): Likewise.
2093 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2094 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2095 (mips_issue_rate): Add PROCESSOR_SB1A.
2096 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2097 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2098 (TARGET_SB1): Add PROCESSOR_SB1A check.
2099 (TUNE_SB1): Likewise.
2101 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2102 * config/mips/mips.c (mips_store_data_bypass_p): New.
2103 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2104 store_data_bypass_p.
2106 2006-07-08 Paul Brook <paul@codesourcery.com>
2109 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2111 2006-07-07 Richard Guenther <rguenther@suse.de>
2114 * tree.h (build_one_cst): Declare.
2115 * tree.c (build_one_cst): New function.
2116 * tree-ssa-math-opts.c (get_constant_one): Remove.
2117 (insert_reciprocals): Use build_one_cst.
2118 * fold-const.c (fold_plusminus_mult): Likewise.
2120 2006-07-07 Roger Sayle <roger@eyesopen.com>
2122 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2123 * cfgloopanal.c (dump_graph): Likewise.
2124 * dojump.c (discard_pending_stack_adjust): Likewise.
2125 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2127 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2128 * function.c (finalize_block_changes): Likewise.
2129 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2130 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2131 * rtl.c (dump_rtx_statistics): Likewise.
2132 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2134 * varray.c (dump_varray_statistics): Likewise.
2135 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2136 decode_decimal64, encode_decimal128, decode_decimal128,
2137 decimal_real_to_decimal): Likewise.
2139 2006-07-07 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/28187
2142 * tree-vrp.c (vrp_operand_equal_p): New function.
2143 (vrp_bitmap_equal_p): Likewise.
2144 (update_value_range): Use them to compare old and new
2147 2006-07-06 Roger Sayle <roger@eyesopen.com>
2149 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2150 a default case to switch statement to silence compiler warnings.
2152 2006-07-06 Roger Sayle <roger@eyesopen.com>
2155 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2156 the configured assembler supports the x87's ffreep mnemonic.
2157 * configure: Regenerate.
2158 * config.in: Regenerate.
2160 * config/i386/i386.c (output_387_ffreep): New function.
2161 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2162 (output_387_reg_move): Likewise.
2164 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2166 Port to hosts whose 'sort' and 'tail' implementations
2167 treat operands with leading '+' as file names, as POSIX
2168 has required since 2001. However, make sure the code still
2169 works on pre-POSIX hosts.
2170 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2171 which says you should use "tail -c +N" rather than "tail +Nc".
2172 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2174 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2176 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2179 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2182 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2183 PRE_{INC,DEC} of TFmode.
2185 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2186 Alan Modra <amodra@bigpond.net.au>
2189 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2192 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2195 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2196 Remove duplicate gtu.
2198 2006-07-05 Jason Merrill <jason@redhat.com>
2202 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2203 * c-common.c (handle_packed_attribute): So don't copy it here.
2204 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2206 2006-07-05 Mike Stump <mrs@apple.com>
2208 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2210 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2213 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2215 2006-07-05 Richard Guenther <rguenther@suse.de>
2218 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2219 TARGET_SSE2 targets if using SSE math.
2220 (*absdf2_1): Likewise.
2222 2006-07-05 Richard Guenther <rguenther@suse.de>
2224 PR tree-optimization/28162
2225 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2226 make sure to convert the operands to the correct type.
2228 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2230 PR tree-optimization/28218
2232 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2233 to calculate and free the dominator information.
2235 2006-07-04 Peter O'Gorman <peter@pogma.com>
2237 * mklibgcc.in: chmod 644 before ranlib during install.
2239 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2240 J"orn Rennecke <joern.rennecke@st.com>
2242 * configure.ac (.eh_frame data check): Use diff -b.
2244 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2247 * Makefile.in (BUILD_RTL): Add build/vec.o.
2248 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2249 (build/genextract): Delete.
2250 (build/genautomata): Likewise.
2252 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2255 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2256 128-bit IBM long doubles for ABI_V4.
2258 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2260 * tree.c (range_in_array_bounds_p): New predicate.
2261 * tree.h (range_in_array_bounds_p): Declare it.
2262 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2263 return a less conservative answer.
2264 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2265 and flag 'is_group'.
2266 (IS_ELEMENT_FOR_GROUP): New macro.
2267 (FOR_EACH_ACTUAL_CHILD): Likewise.
2268 (next_child_for_group): New helper function.
2269 (can_completely_scalarize_p): Take into account groups.
2270 (sra_hash_tree): Handle RANGE_EXPR.
2271 (sra_elt_eq): Likewise.
2272 (lookup_element): Be prepared for handling groups.
2273 (is_valid_const_index): Delete.
2274 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2275 instead of is_valid_const_index.
2276 <ARRAY_RANGE_REF>: New case.
2277 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2278 is_valid_const_index.
2279 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2280 (scan_dump): Dump info for groups too.
2281 (decide_instantiation_1): Likewise.
2282 (decide_block_copy): Assert that the element is not a group.
2283 Propagate decision to groups.
2284 (generate_one_element_ref): Handle RANGE_EXPR.
2285 (mark_no_warning): Iterate over actual childs.
2286 (generate_copy_inout): Likewise.
2287 (generate_element_copy): Likewise.
2288 (generate_element_zero): Likewise.
2289 (generate_element_init_1): Likewise.
2290 (dump_sra_elt_name): Handle RANGE_EXPR.
2292 2006-07-03 Roger Sayle <roger@eyesopen.com>
2294 PR tree-optimization/26251
2295 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2296 (thread_block): When optimizing for size refuse to thread jumps
2297 that would require duplication of blocks other than redirection
2300 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2302 * configure.ac: Fix thinko in previous check-in.
2303 * configure: Regenerate.
2305 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2308 * configure.ac (for lang...): Simplify nesting of conditionals.
2309 Test subdir_requires for non-enabled languages. Move processing
2310 of lang_opt_files and lang_tree_fiels below that test.
2311 * configure: Regenerate.
2312 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2314 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2316 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2318 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2320 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2323 2006-06-29 Jason Merrill <jason@redhat.com>
2330 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2331 * c-common.c (c_determine_visibility): Handle it here.
2332 * c-decl.c (finish_decl): Call c_determine_visibility for
2334 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2336 * varasm.c (default_assemble_visibility): Likewise.
2337 * c-common.c (handle_visibility_attribute): Complain about trying
2338 to give visibility to an already defined class, or trying to change
2339 declared visibility. Always attach the attribute.
2344 * attribs.c (decl_attributes): Ignore type-in-place attributes
2345 once the type has been defined.
2347 2006-06-29 Roger Sayle <roger@eyesopen.com>
2350 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2351 to indicate the cpplib has issued an error message for us.
2353 2006-06-29 Asher Langton <langton2@llnl.gov>
2356 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2357 insert a label at the end of an function under Mach-O.
2359 2006-06-29 Eric Christopher <echristo@apple.com>
2360 Evan Cheng <evan.cheng@apple.com>
2362 * predicates.md (vector_all_ones_operand): New.
2363 (nonimmediate_or_sse_const_operand): Ditto.
2364 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2365 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2366 (standard_sse_mode_p): Ditto.
2367 (standard_sse_constant_p): Add case for -1 vector.
2368 (ix86_expand_vector_move): Try to use.
2369 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2370 Call standard_sse_constant_opcode.
2371 (*movv4sf_internal): Ditto.
2372 (*movv2df_internal): Ditto.
2374 2006-06-29 Roger Sayle <roger@eyesopen.com>
2376 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2377 of XEXP to extract the operands of a MATCH_CODE rtx.
2379 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2381 * tree.c (tree_size): Do not waste tail padding in
2382 struct tree_string and make the size be the same as
2383 build_string will generate.
2385 2006-06-28 Jason Merrill <jason@redhat.com>
2388 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2389 may_aliases already in the tag's annotations to the bitmap.
2391 2006-06-28 Roger Sayle <roger@eyesopen.com>
2393 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2395 2006-06-28 Roger Sayle <roger@eyesopen.com>
2397 * genpreds.c (generate_switch_p): New function.
2398 (add_mode_tests): Push the new mode test down inside an AND expr
2399 if this allows the switch-suitable MATCH_CODE to be near the root.
2400 (write_match_code_switch): New function to write a MATCH_CODE as
2402 (write_predicate_stmts): New function to write a predicate RTX
2403 expression as a sequence of statements.
2404 (write_one_predicate_function): Use write_predicate_stmts.
2405 (write_tm_constrs_h): Likewise.
2407 2006-06-26 Fred Fish <fnf@specifix.com>
2409 * config/mips/t-sb1: New file.
2410 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2413 2006-06-26 DJ Delorie <dj@redhat.com>
2415 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2417 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2418 Jayant Sonar <jayants@kpitcummins.com>
2419 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2421 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2422 (subsi3, subsi3_1, subsi3_2): New.
2423 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2424 * config/m32c/mov.md (SI mov peephole): New.
2425 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2426 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2428 2006-06-26 Olivier Hainque <hainque@adacore.com>
2430 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2431 a CALL_EXPR target function declaration.
2433 2006-06-26 Richard Guenther <rguenther@suse.de>
2435 * tree.c (build_string): Do not waste tail padding in
2438 2006-06-26 Richard Guenther <rguenther@suse.de>
2440 * ggc-page.c (init_ggc): Add missing element to size_lookup
2444 2006-06-23 Richard Guenther <rguenther@suse.de>
2446 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2447 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2448 alignment requests instead. Add verification code.
2449 Add struct tree_function_decl and struct tree_binfo size to
2450 extra_order_size_table. Add missing element to size_lookup
2453 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2456 * fold-const.c (const_binop): Be prepared for self returning zero.
2457 Simplify code handling complex values.
2459 2006-06-24 Olivier Hainque <hainque@adacore.com>
2461 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2462 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2465 2006-06-24 Olivier Hainque <hainque@adacore.com>
2467 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2468 ARRAY_REF, so have the callback called for the low bound expression.
2470 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2472 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2473 * c-typeck.c (c_common_type): Disallow operations on decimal float
2474 types and other float types.
2475 * convert.c (convert_to_real): Don't ignore conversions involving
2476 decimal float types.
2478 2006-06-23 Olivier Hainque <hainque@adacore.com>
2480 * tree.c (max_int_size_in_bytes): New function, inspired from
2481 code in function.c:assign_temp.
2482 * tree.h (max_int_size_in_bytes): Declare.
2483 * function.c (assign_temp): Use it.
2484 * gimplify.c (create_tmp_var): Relax the assertions on the type
2485 properties, not mandating constant size any more.
2486 (force_constant_size): New static function.
2487 (gimple_add_tmp_var): Use it, forcing variable size to a
2488 constant upper bound if it is not constant on entry.
2490 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2493 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2494 for initialization and setting of one_only flag to ...
2495 (i386_pe_encode_section_info): ...here.
2496 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2497 Recheck that the symbol has not been defined.
2499 2006-06-23 Richard Guenther <rguenther@suse.de>
2501 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2502 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2503 alignment requests instead. Add verification code.
2504 Add struct tree_function_decl and struct tree_binfo size to
2505 extra_order_size_table. Add missing element to size_lookup
2508 2006-06-22 Roger Sayle <roger@eyesopen.com>
2509 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2512 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2513 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2515 2006-06-23 Ben Elliston <bje@au.ibm.com>
2517 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2518 negate dn -- manipulate it directly.
2520 2006-06-22 Roger Sayle <roger@eyesopen.com>
2521 Steven Bosscher <stevenb.gcc@gmail.com>
2524 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2525 generated by gen_move_insn to add REG_LABEL notes if necessary.
2527 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2529 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2530 (leaf_entry): Remove use of MIN_ESA.
2532 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2534 PR rtl-optimization/28121
2535 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2538 2006-06-21 DJ Delorie <dj@redhat.com>
2540 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2542 (mulhisi3_r): Likewise.
2544 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2547 * coverage.c (coverage_counter_alloc): Leave the index type
2549 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2552 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2554 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2555 section from the "Options for Code Generation Conventions".
2557 2006-06-21 Richard Henderson <rth@redhat.com>
2561 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2563 (global_symbolic_operand): Allow weak symbols, even if local_p.
2565 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2567 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2568 (find_interesting_uses_address): Punt if above function returns true.
2570 2006-06-21 Richard Guenther <rguenther@suse.de>
2572 * configure: Regenerated.
2574 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2576 * config/mips/mips.c (function_arg): Where one part of a
2577 complex argument is in registers and the other part in the stack,
2578 return a REG not a PARALLEL.
2580 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2582 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2583 when cross-compiling. Do not substitute libstdcxx_incdir.
2584 * configure: Regenerated.
2586 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2588 * varasm.c (mergeable_string_section): Check for embedded NULs and
2589 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2590 rather than TREE_STRING_LENGTH bytes.
2592 2006-06-21 Richard Guenther <rguenther@suse.de>
2594 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2595 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2598 2006-06-21 Richrad Guenther <rguenther@suse.de>
2600 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2601 Limit iteration over the dominators.
2603 2006-06-20 Roger Sayle <roger@eyesopen.com>
2605 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2606 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2608 2006-06-20 Richard Guenther <rguenther@suse.de>
2609 Michael Matz <matz@suse.de>
2611 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2613 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2614 * et-forest.h (et_free_pools): Prototype new function.
2615 * et-forest.c (et_free_tree_force): Free parent occurrence.
2616 (et_free_pools): New function.
2617 * dominance.c (free_dominance_info): Free et-forest alloc
2620 2006-06-20 Roger Sayle <roger@eyesopen.com>
2622 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2623 integer modes, attempt to directly construct an integer constant.
2625 * fold-const.c (native_encode_vector): Determine the size of each
2626 element from the vector type instead of the first vector element.
2628 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2629 if all of its elements/components are constant.
2630 (build_constructor_from_list): Likewise.
2632 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2634 PR tree-optimization/27331
2635 * tree-data-ref.c (free_data_ref): New function.
2636 (create_data_ref): Fail if the data reference has unknown access
2638 (free_data_refs): Use free_data_ref.
2640 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2643 * tree-inline.c (setup_one_parameter): Strip useless
2644 type conversion before adding it to the IR.
2645 (declare_return_variable): Likewise.
2647 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2650 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2652 2006-06-19 Mike Stump <mrs@apple.com>
2654 * tree.c (variably_modified_type_p): VM arguments don't make the
2657 2006-06-19 Richard Guenther <rguenther@suse.de>
2659 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2660 type conversions after folding.
2662 2006-06-19 Richard Guenther <rguenther@suse.de>
2664 * ggc-page.c (extra_order_size_tab): Add entries with
2665 size of struct function and basic_block.
2666 (size_lookup): Extend to cover sizes up to 511.
2667 (ggc_alloc_stat): Adjust user.
2668 (ggc_pch_count_object): Likewise.
2669 (ggc_pch_alloc_object): Likewise.
2670 (ggc_pch_write_object): Likewise.
2672 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2674 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2675 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2678 2006-06-19 Denis Chertykov <denisc@overta.ru>
2680 * config/avr/libgcc.S : Correct my wrong previous commit.
2682 2006-06-19 Roger Sayle <roger@eyesopen.com>
2685 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2686 have stripped a SUBREG from the shift count, so we may need to
2687 convert_to_mode back to the type's mode before calling make_tree.
2688 Use new_amount instead of amount to avoid expanding a tree twice.
2690 2006-06-19 Richard Guenther <rguenther@suse.de>
2693 * fold-const.c (operand_equal_p): Check if the argument types
2694 have the same precision before stripping NOPs.
2696 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2698 Fix PR tree-optimization/27341
2699 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2701 * tree-complex.c (pass_lower_complex): Update SMT usage.
2703 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2705 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2706 Add a new alternative to the constraint strings. Add move of
2707 operand 1 to 3 to the splitter definition.
2708 ("doloop_si_long"): Second contraint alternative removed.
2710 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2712 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2713 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2715 (AVR_HAVE_MOVW) Define.
2716 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2717 (ASM_SPEC): Add avr25.
2718 (LINK_SPEC): Add avr25.
2719 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2720 (base_arch_s): Add new member 'have_movw_lpmx'.
2721 (avr_arch_types): Init 'have_movw_lpmx'.
2722 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2723 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2724 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2725 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2726 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2728 (avr_file_start): Do not output '.arh' derective.
2729 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2730 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2731 * config/avr/avr.md (mcu_enhanced): Delete.
2732 (mcu_have_movw): Define.
2733 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2734 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2735 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2736 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2737 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2738 attiny861 and at86rf401 devices.
2740 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2742 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2745 2006-06-17 Karl Berry <karl@gnu.org>
2747 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2748 doc/gccint.texi, doc/install.texi (@dircategory): Use
2749 "Software development" instead of "Programming", following
2750 the Free Software Directory.
2752 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2754 * config/i386/i386.c (legitimate_tls_address)
2755 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2756 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2757 (*tls_dynamic_gnu2_combine_64): Likewise.
2759 2006-06-16 Richard Guenther <rguenther@suse.de>
2762 * fold-const.c (negate_expr_p): Do not introduce undefined
2763 overflow in negating INTEGER_CSTs.
2764 (fold_negate_expr): Rename from negate_expr. Revert last
2765 change for folding BIT_NOT_EXPR. Change semantics to
2766 return NULL_TREE for non-simplified negations. Do not
2767 strip type conversions and unify type handling.
2768 (negate_expr): New function, wrap around fold_negate_expr
2769 but ensure building a tree always. Strip type conversions
2770 here, fold to result type.
2771 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2773 2006-06-16 Roger Sayle <roger@eyesopen.com>
2776 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2777 that (would) return their results in stack registers.
2779 2006-06-16 Michael Matz <matz@suse.de>
2780 Richard Guenther <rguenther@suse.de>
2782 * fold-const.c (fold_truthop): Only return new tree node if
2783 we canonicalized something.
2785 2006-06-16 Richard Guenther <rguenther@suse.de>
2787 * function.h (enum function_frequency): Move declaration
2788 out of struct function.
2789 (struct function): Move bool fields and the enum to the bitfield
2790 section. Reorder elements to avoid padding. Remove unused
2791 fields left over from the RTL inliner removal.
2792 * function.c (free_after_compilation): Do not zero removed fields.
2793 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2794 (ipa-type-escape.o): Likewise.
2796 2006-06-16 Richard Guenther <rguenther@suse.de>
2798 * cgraph.h (struct cgraph_local_info): Turn bool elements
2800 (struct cgraph_node): Likewise.
2801 (struct cgraph_varpool_node): Likewise.
2803 2006-06-15 Richard Guenther <rguenther@suse.de>
2805 * fold-const.c (fold_truth_not_expr): Rename from
2806 invert_truthvalue. Give it fold_* semantics to avoid
2808 (invert_truthvalue): New function. Wrapper around
2809 fold_truth_not_expr.
2810 (optimize_minmax_comparison): Avoid creating garbage.
2811 (fold_unary): Use fold_truth_not_expr for folding
2813 (fold_ternary): Replace uses of invert_truthvalue with
2814 fold_truth_not_expr where applicable.
2815 * tree.h (fold_truth_not_expr): Prototype.
2817 2006-06-16 Richard Guenther <rguenther@suse.de>
2819 PR tree-optimization/27781
2820 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2821 * ipa-pure-const.c (target.h): Include.
2822 (analyze_function): Do not analyze functions that do not
2825 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2828 * tree-dfa.c (referenced_vars_dup_list): Remove.
2829 (find_referenced_vars): Remove assert.
2830 (referenced_var_check_and_insert): Replace dup list with assert.
2831 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2832 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2834 2006-06-15 Richard Guenther <rguenther@suse.de>
2836 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2837 extra unused identifiers if not dumping.
2838 (create_variable_info_for): Likewise.
2840 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2842 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2843 (derive_constant_upper_bound): Derive more precise upper bound in
2844 common cases. Return type changed to double_int.
2845 (record_estimate): Reflect the changed return type of
2846 derive_constant_upper_bound.
2847 * double-int.c (double_int_zext, double_int_sext): Fix.
2849 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2851 * configure.ac (CFLAGS): Get them from the toplevel or from the
2852 configure invocation.
2853 * configure: Regenerate.
2854 * Makefile.in (CFLAGS): Substitute value provided by configure.
2856 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2859 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2860 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2861 rather than calling add_stmt on it.
2862 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2864 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2867 * reload1.c (reload): Remove registers returned by update_eliminables
2868 from used_spill_regs.
2870 2006-06-13 DJ Delorie <dj@redhat.com>
2872 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2874 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2876 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2877 html__strip_dir, html__mkdir_p. Enhance install-html target.
2878 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2879 * configure: Regenerate.
2881 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2883 * fold-const.c (fold_cond_expr_with_comparison): Check for
2884 Objective-C++ as language in deciding COND_EXPR transformation.
2886 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2889 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2890 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2891 * config/sh/lib1funcs.h (SL, SL1): Define.
2892 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2893 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2894 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2895 (OBJS_Os_4_200): New variable.
2896 ($(T)libgcc-Os-4-200.a): Use it.
2897 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2898 when dividing 1 and/or by 0.
2900 2006-06-13 Roger Sayle <roger@eyesopen.com>
2902 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2903 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2904 * configure: Regenerate.
2906 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2908 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2909 for real instruction.
2911 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2914 * haifa-sched.c (check_cfg): Handle special case.
2916 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2919 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2920 Add debug_info parameter. Chain the vars to the BLOCK instead
2921 of the BIND_EXPR if debug info are requested for them.
2922 (pop_gimplify_context): Adjust for above change.
2923 (gimple_add_tmp_var): Likewise.
2924 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2926 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2927 (convert_local_reference): Likewise.
2928 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2929 (finalize_nesting_tree_1): Request that debug info be emitted
2930 for debug_var_chain.
2932 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2934 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2935 for PR target/27863.
2937 2006-06-13 Richard Guenther <rguenther@suse.de>
2940 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2942 2006-06-13 Richard Guenther <rguenther@suse.de>
2944 PR tree-optimization/27830
2945 * tree-inline.c (copy_body_r): For copying the operand
2946 of an ADDR_EXPR make sure to fold &* afterwards.
2948 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2950 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2951 lvalues in the fb_none case with side-effects.
2953 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2955 * tree-flow.h: Remove the prototype for
2956 compute_phi_arg_on_exit.
2957 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2958 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2961 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2963 * builtins.c (expand_builtin_return_addr): Only use
2964 frame_pointer_rtx when count == 0 and we are expanding
2965 __builtin_return_address.
2967 2006-06-12 Fred Fish <fnf@specifix.com>
2969 * config/mips/mips.c (mips_file_start): Create special section
2970 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2972 2006-06-11 Eric Christopher <echristo@apple.com>
2975 * stor-layout.c (place_field): Remove check for
2976 remaining_in_alignment when aligning at the end of a run.
2978 2006-06-11 Eric Christopher <echristo@apple.com>
2981 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2984 2006-06-11 Roger Sayle <roger@eyesopen.com>
2987 Revert incorrect fix for PR target/27158
2988 2006-05-08 Roger Sayle <roger@eyesopen.com>
2989 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2990 of a reg_equiv_constant if the result is a legitimate constant.
2992 2006-06-11 Roger Sayle <roger@eyesopen.com>
2995 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2996 extract a CONST_VECTOR element and interpret it as an integer.
2997 (vspltis_constant): Use const_vector_elt_as_int instead of the
2998 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2999 * config/rs6000/predicates.md (easy_vector_const): Consider
3000 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3002 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3005 * stor-layout.c (update_alignment_for_field): Don't add extra
3006 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3009 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3011 * config/mips/t-rtems: Add EL/EB multilib variants.
3013 2006-06-09 Mike Stump <mrs@apple.com>
3015 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3017 2006-06-09 David Daney <ddaney@avtrex.com>
3019 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3021 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3023 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3025 2006-06-09 Richard Guenther <rguenther@suse.de>
3027 PR tree-optimization/26998
3028 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3029 of signed types, only TYPE_MIN_VALUE is special, but for both,
3030 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3031 in this case, as is -fwrapv.
3033 2006-06-08 Mike Stump <mrs@apple.com>
3036 * config/darwin.c (darwin_asm_output_anchor): Disable
3037 -fsection-anchors on darwin for now.
3038 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3039 * rs6000/rs6000.c (optimization_options): Likewise.
3041 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3044 * config/i386/i386.c (classify_argument): Skip fields with invalid
3047 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3049 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3050 (cse_insn): Likewise for the stack_pointer_rtx.
3052 2006-06-08 Roger Sayle <roger@eyesopen.com>
3054 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3055 conditions from floating point comparisons.
3057 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3060 * expmed.c (struct alg_hash_entry): Fix type of field T
3061 to match synth_mult argument.
3062 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3064 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3067 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3070 2006-06-08 Richard Guenther <rguenther@suse.de>
3073 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3074 only, if overflow is defined and not trapping.
3075 (negate_expr): Likewise.
3077 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3079 PR tree-optimization/27872
3080 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3081 flag on the new exit edge of the unrolled loop.
3083 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3085 PR rtl-optimization/26449
3086 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3088 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3091 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3092 referenced_variables with matching DECL_UID's.
3093 (find_referenced_vars): Make sure duplicate list is empty to start.
3094 (referenced_var_p): Remove.
3095 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3096 Check if var is in the list, and add if needed. Update the duplicate
3097 list if a different var is in the list with the same DECL_UID.
3098 (add_referenced_var): Call routine to check and insert.
3099 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3100 * tree-flow.h (referenced_vars_dup_list): External declaration.
3102 2006-06-07 Fred Fish <fnf@specifix.com>
3104 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3107 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3110 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3111 the imaginary and real parts of a clobbered register.
3112 Emit insn to set the imaginary part.
3114 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3116 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3117 in lieu of unwind-dw2-fde.c.
3119 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3121 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3123 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3126 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3127 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3128 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3129 V4SImode temporaries and operations instead.
3131 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3133 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3136 2006-06-06 Mike Stump <mrs@apple.com>
3138 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3139 installing during build.
3141 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3143 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3145 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3146 * config/ia64/ia64.c (params.h): New header.
3147 (ia64_optimization_options): New function to adjust parameters.
3148 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3149 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3150 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3152 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3154 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3156 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3159 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3161 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3162 Victor Kaplansky <victork@il.ibm.com>
3164 PR tree-optimization/26360
3165 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3168 2006-06-04 Roger Sayle <roger@eyesopen.com>
3169 Andrew Pinski <pinskia@physics.uc.edu>
3172 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3173 for LABEL_DECL before calling DECL_WEAK.
3176 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3177 LABEL_DECL and PARM_DECL.
3179 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3183 * c-decl.c (grokdeclarator): Disallow variably modified types at
3184 file scope. Avoid marking shared array type of constant size as
3187 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3190 * c-common.c (fold_offsetof_1): Handle static members.
3192 2006-06-04 Eric Christopher <echristo@apple.com>
3194 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3195 (debug_rli): Output value for remaining_in_alignment.
3196 (update_alignment_for_field): Unconditionalize
3197 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3198 extra alignment code.
3199 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3200 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3201 * tree.h (record_layout_info_s): Remove prev_packed.
3202 * doc/extend.texi (ms_struct): Add documentation of format.
3204 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3206 * tree.h: Declare folding_initializer.
3207 * builtins.c (fold_builtin_constant_p): Give definite answer
3208 if folding inside an initializer.
3209 * fold-const.c: Define folding_initializer.
3210 (START_FOLD_INIT): Save and then set folding_initializer.
3211 (END_FOLD_INIT): Restore folding_initializer.
3213 2006-06-04 Richard Guenther <rguenther@suse.de>
3215 PR tree-optimization/27039
3216 * fold-const.c (fold_comparison): Handle pointer comparison
3217 again for all comparison codes. Compare offsets in signed
3219 (fold_binary): Move code from here.
3221 2006-06-03 Roger Sayle <roger@eyesopen.com>
3224 * config/i386/i386.c (construct_container): Split static issued_error
3225 flag into issued_sse_arg_error, issued_sse_ret_error and
3226 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3227 requires the use of x87 registers and the user explicitly
3228 specified the -mno-80387 command line option.
3230 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3232 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3233 HAVE_DECL_SIGALTSTACK.
3235 (segv_handler): Use MC_FLD.
3236 * configure.ac: Check for a sigaltstack declaration.
3237 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3238 * configure: Regenerate.
3239 * config.in: Regenerate.
3241 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3244 * Makefile.in (stmp-fixinc): Fix typo.
3246 2006-06-02 Roger Sayle <roger@eyesopen.com>
3248 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3249 are type correct. Clean-up.
3250 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3251 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3253 2006-06-01 DJ Delorie <dj@redhat.com>
3255 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3256 shift, as we've disabled the "switch" insn that needs it.
3258 2006-06-01 Per Bothner <bothner@bothner.com>
3260 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3261 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3262 * c-ppoutput.c (cb_define): Don't increment line 0.
3264 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3266 * doc/invoke.texi: Add cpu_type power6.
3267 * config.gcc: Add cpu_type power6.
3268 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3269 to power5+ with Altivec.
3270 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3271 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3273 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3275 * config/avr/avr.h (SET_ASM_OP): Define.
3277 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3279 * config/bfin/bfin.c: Fix comment typos.
3281 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3284 * doc/install.texi: Document --enable-bootstrap and
3285 --disable-bootstrap.
3287 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3289 * doc/install.texi: Document that InfoZIP can replace jar.
3291 2006-05-31 Roger Sayle <roger@eyesopen.com>
3293 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3294 isn't available, directly generate the simpler x87 patterns without
3295 the (use (const_int 0)).
3296 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3297 implementation isn't available.
3298 (*negdf2_1): Likewise.
3299 (*negxf2_1): XF mode negation is always done using the x87.
3300 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3302 2006-05-31 Roger Sayle <roger@eyesopen.com>
3304 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3305 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3307 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3309 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3311 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3312 * config/bfin/bfin.c (basic-block.h): Include.
3313 (struct machine_function): New.
3314 (bfin_init_machine_status): New.
3315 (override_options): Initialize init_machine_status.
3316 (bfin_hardware_loop): New.
3317 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3318 (DEF_VEC_P (loop_info)): New.
3319 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3320 (struct loop_info): New.
3321 (loop_info): New typedef.
3322 (struct loop_work): New.
3323 (loop_work): New typedef.
3324 (DEF_VEC_O (loop_work)): New.
3325 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3326 (bfin_dump_loops): New.
3327 (bfin_bb_in_loop): New.
3328 (bfin_scan_loop): New.
3329 (bfin_optimize_loop): New.
3330 (bfin_reorg_loops): New.
3331 (bfin_reorg): Use bfin_reorg_loops.
3332 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3334 (I_REGNO_P): Simplify.
3335 (DP_REGNO_P, DPREG_P): New macros.
3336 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3337 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3338 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3339 Add LT_REGS, LC_REGS, LB_REGS.
3340 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3342 (REGNO_REG_CLASS): Deal with loop registers.
3343 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3345 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3346 New constants for loop registers.
3347 (UNSPEC_LSETUP_END): New.
3348 (seq_insns): New define_attr. Set it for appropriate insns.
3349 (movsi_insn): Add alternatives for move from/to
3350 loop count registers.
3351 (doloop_end): New define_expand.
3352 (loop_end): New define_insn.
3353 (define_split for bad doloop_end): New.
3354 (lsetup_with_autoinit): New define_insn.
3355 (lsetup_without_autoinit): New define_insn.
3356 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3357 * config/bfin/predicates.md (lc_register_operand): New.
3358 (lt_register_operand): New.
3359 (lb_register_operand): New.
3360 (nondp_register_operand): New.
3361 (nondp_reg_or_memory_operand): New.
3362 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3364 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3366 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3367 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3369 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3371 * Makefile.in (CATALOGS): Add po/ prefix.
3372 * configure: Regenerated.
3374 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3377 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3378 a shift operand before calling shift_op. Avoid redundant call of
3381 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3382 DJ Delorie <dj@redhat.com>
3384 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3385 we're inserting is a singlt-bit constant.
3387 2006-05-30 Roger Sayle <roger@eyesopen.com>
3389 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3390 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3392 2006-05-30 Roger Sayle <roger@eyesopen.com>
3394 PR tree-optimization/23452
3395 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3396 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3397 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3398 complex values and with -ffast-math for FP complex values.
3400 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3402 * c-common.h: Remove the prototype for yyparse.
3403 * rtl.h: Remove the prototype for init_loop.
3405 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3407 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3410 2006-05-30 Roger Sayle <roger@eyesopen.com>
3412 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3414 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3415 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3417 2006-05-30 Dirk Mueller <dmueller@suse.de>
3420 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3421 for CONSTANT_CLASS_P expresisons.
3423 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3426 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3428 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3430 PR tree-optimization/27779
3431 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3432 initial_condition instead of CHREC_LEFT.
3434 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3436 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3437 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3438 Make prototypes ISO C90.
3440 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3441 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3443 * see.c (see_analyze_one_def): Correct check.
3444 (see_get_extension_data): Check if extension is parallel.
3445 (see_get_extension_reg): Likewise.
3447 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3450 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3451 into register for (code == GTU).
3453 2006-05-29 Roger Sayle <roger@eyesopen.com>
3455 PR tree-optimization/24964
3456 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3457 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3458 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3459 abs(x)*abs(x) as x*x for scalar floating point modes.
3461 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3464 * lambda-code.c (perfect_nestify): Don't copy statements
3465 in the inner loop: move them to the inner loop header.
3467 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3470 * c-tree.texi: Document OpenMP directives and clauses.
3472 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3474 * varasm.c (globalize_decl): Fix indentation.
3476 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3479 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3480 pass_fre, pass_store_ccp, pass_copy_prop,
3481 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3482 pass_return_slot, pass_object_size, pass_lim,
3483 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3484 pass_loop_prefetch and pass_stdarg.
3486 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3488 * config/bfin/bfin.opt (mfdpic): New option.
3489 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3490 (EXTRA_MULTILIB_PARTS): Likewise.
3491 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3492 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3494 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3495 (CRT_CALL_STATIC_FUNCTION): New.
3496 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3498 (CRT_CALL_STATIC_FUNCTION): New.
3499 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3501 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3502 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3503 (initialize_trampoline): Changed to handle FD-PIC code generation.
3504 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3505 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3506 (override_options): Disallow -mid-shared-library -mfdpic combination.
3507 Can't do unaligned ops if FD-PIC.
3508 Turn off flag_pic if trying to generate non-id-shared-library
3509 non-fdpic code, since it's not supported.
3510 (bfin_assemble_integer): New function.
3511 (TARGET_ASM_INTEGER): Define.
3512 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3514 * config/bfin/crtn.s: Restore them.
3515 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3517 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3518 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3519 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3520 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3521 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3523 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3524 FDPIC_REGS and FDPIC_FPTR_REGS.
3525 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3526 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3527 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3528 (load_funcdescsi): New pattern.
3529 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3530 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3531 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3533 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3535 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3538 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3540 * tree-flow.h: Remove the prototype for add_type_alias.
3541 * tree-ssa-alias.c (add_type_alias): Remove.
3543 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3545 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3546 config/fr30/fr30.md, config/i386/i386-interix.h,
3547 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3548 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3549 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3550 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3551 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3552 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3553 Follow spelling conventions.
3554 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3555 Follow spelling conventions.
3557 2006-05-27 Richard Guenther <rguenther@suse.de>
3560 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3561 to produce a constant of value 1 of generic type.
3563 2006-05-27 Dirk Mueller <dmueller@suse.de>
3565 * cgraphunit.c (decide_is_function_needed): Fix wrong
3568 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3570 PR rtl-optimization/27661
3571 * reload.c (find_reloads): When reloading a VOIDmode constant
3572 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3573 use Pmode as mode of the reload register.
3575 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3577 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3578 is enabled at -O and above.
3580 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3583 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3586 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3589 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3590 for anonymous variables explicitly declared by front ends.
3592 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3594 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3595 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3596 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3597 ref-all pointers, run a finalization pass for them.
3598 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3599 (finalize_ref_all_pointers): New function.
3600 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3601 regular pointer type to a ref-all pointer type.
3602 (get_tmt_for): Return the special memory tag for ref-all pointers.
3604 2006-05-25 Richard Guenther <rguenther@suse.de>
3607 * fold-const.c (fold_binary): Do not look at the stripped
3608 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3610 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3612 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3613 for LT and GT if the computed range is effectively empty.
3615 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3618 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3619 mips_quad_format formats instead of ieee_single_format,
3620 ieee_double_format and ieee_quad_format formats, respectively.
3622 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3624 PR tree-optimization/27639
3625 PR tree-optimization/26719
3626 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3627 call to scev_probably_wraps_p.
3628 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3629 used_in_pointer_arithmetic_p, convert_step): Removed.
3630 (nowrap_type_p): New function.
3631 (scev_probably_wraps_p): Rewritten.
3632 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3633 chrec_convert if chrec_convert_aggressive might have been used.
3634 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3635 scev_direction): New functions.
3636 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3637 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3638 instead of convert_step.
3639 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3640 (convert_step): Declaration removed.
3641 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3643 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3645 * df-core.c: Added to header comments.
3646 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3647 df_ur_bb_info, df_urec_bb_info): Added comments.
3648 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3649 urec, ri problems): Fixed header comments.
3650 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3651 code from df_rd_transfer_function.
3653 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3655 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3656 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3657 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3659 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3661 * expr.c (undefined_operand_subword_p): New.
3662 (emit_move_multi_word): Do not generate move from undefined bits
3663 of a paradoxical subreg.
3665 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3667 PR rtl-optimization/27736
3668 * combine.c (replaced_rhs_value): New variable.
3669 (combine_instructions): Set it.
3670 (distribute_notes): When distributing a note in replaced_rhs_insn,
3671 check whether the value was used in replaced_rhs_value.
3673 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3676 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3677 add_referenced_var instead of add_referenced_tmp_var.
3678 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3679 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3681 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3682 tree_optimize_tail_calls_1): Use add_referenced_var.
3683 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3684 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3685 Use add_referenced_var.
3686 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3687 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3688 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3689 Use add_referenced_var.
3690 * tree-dfa.c (struct walk_state): Remove.
3691 (find_referenced_vars): Remove walk state and vars_found hash table.
3692 (make_rename_temp): Use add_referenced_var.
3693 (find_vars_r): Pass less parameters to add_referenced_var.
3694 (referenced_var_p): New. Is var in referenced_var hash table.
3695 (referenced_var_insert): Assert var isn't already in hash table.
3696 (add_referenced_var): Don't need walk_state parameter. Add var if it
3697 isn't already in the hash table.
3698 (add_referenced_tmp_var): Remove.
3699 (find_new_referenced_vars_1): Use add_referenced_var.
3700 * tree-ssa-pre.c (create_expression_by_pieces,
3701 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3702 Use add_referenced_var.
3703 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3704 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3705 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3707 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3708 vect_create_data_ref_ptr, vect_create_destination_var,
3709 vect_init_vector, vect_build_loop_niters,
3710 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3711 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3712 Use add_referenced_var.
3713 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3714 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3715 (add_referenced_var): Add prototype.
3716 * tree-ssa-structalias.c (get_constraint_for,
3717 intra_create_variable_infos): Use add_referenced_var.
3719 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3721 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3722 big-endian paradoxical subregs.
3723 * var-tracking.c (struct micro_operation_def): Document that,
3724 for modify micro operations, insn is the subsequent instruction.
3725 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3726 (var_reg_set, var_mem_set): ... new functions.
3727 (add_stores): Record subsequent insn.
3728 (compute_bb_dataflow): Use new functions for MO_USE.
3729 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3730 notes after the insn, and modify notes before the insn known
3731 to be the subsequent one.
3732 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3734 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3737 * config/i386/i386.c (ix86_expand_builtin): Use
3738 gen_sse3_monitor64 for TARGET_64BIT.
3740 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3742 PR rtl-optimization/26375
3743 PR rtl-optimization/26855
3744 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3746 (df_ru_bb_local_compute): Reversed statements and removed bogus
3747 comment explaining why they should be in wrong order.
3748 (df_ru_dump, df_rd_dump): Enhanced debug info.
3749 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3751 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3752 reaching uses and fixed space problem.
3754 2006-05-23 Jan Hubicka <jh@suse.cz>
3756 * cgraphunit.c (decide_is_function_needed): Also nested functions
3757 and functions declared inline can be optimized out at -O0.
3759 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3761 * doc/install.texi (Configuration): Remove reference to CrossGCC
3765 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3768 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3769 ix86_compare_emitted is non-NULL.
3771 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3774 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3777 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3779 PR rtl-optimization/25514
3780 * combine.c (replaced_rhs_insn): New variable.
3781 (combine_instructions): Set replaced_rhs_insn when trying to replace
3782 a SET_SRC with a REG_EQUAL note.
3783 (distribute_notes): Use replaced_rhs_insn when determining the live
3784 range of a REG_DEAD register.
3786 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3787 Anatoly Sokolov <aesok@post.ru>
3789 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3790 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3791 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3792 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3793 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3794 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3795 at90usb647, at90usb1286 and at90usb1287 devices.
3796 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3797 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3799 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3801 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3803 2006-05-22 Richard Guenther <rguenther@suse.de>
3806 2006-01-31 Richard Guenther <rguenther@suse.de>
3807 Paolo Bonzini <bonzini@gnu.org>
3809 * doc/install.texi (--disable-libgcc-math): Document.
3811 2006-05-22 Richard Guenther <rguenther@suse.de>
3814 2006-01-31 Richard Guenther <rguenther@suse.de>
3816 * doc/invoke.texi (-msselibm): Document.
3817 * target.h (expand_library_builtin): New target hook.
3818 * builtins.c (expand_builtin): Use expand_library_builtin.
3819 (default_expand_library_builtin): New function.
3820 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3821 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3822 (link_gcc_math_spec): Declare.
3823 (static_specs): Add link_gcc_math_spec.
3824 * expr.h (default_expand_library_builtin): Declare.
3825 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3826 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3827 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3828 * config/i386/i386.opt (msselibm): New target option.
3829 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3830 (ix86_init_sse_abi_builtins): New function.
3831 (ix86_expand_library_builtin): Likewise.
3832 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3833 (override_options): Handle error conditions wrt -msselibm.
3834 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3835 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3836 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3839 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3842 * c-common.c (self_promoting_args_p): Skip erroneous args.
3845 * c-decl.c (finish_struct): Skip erroneous fields.
3847 2006-05-22 Nick Clifton <nickc@redhat.com>
3849 * config/cris/cris.opt (march): Remove VarExists attribute.
3850 (max-stackframe=): Likewise.
3852 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3854 * doc/rtl.texi: Fix a typo.
3855 * see.c: Fix comment typos.
3857 * tree-ssa-structalias.h (alias_info): Remove num_references.
3859 2006-05-21 Mike Stump <mrs@apple.com>
3861 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3863 (darwin_pragma_options): Use BAD instead.
3864 (darwin_pragma_unused): Likewise.
3865 (darwin_pragma_ms_struct): Likewise.
3867 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3869 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3871 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3873 PR rtl-optimization/27671
3874 * simplify-rtx.c (simplify_relational_operation_1): Fix
3875 simplifications of (eq/ne (xor x y) y) and
3876 (eq/ne (xor x y) x).
3878 PR tree-optimization/26622.
3879 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3882 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3884 * tree-cfg.c: Prune whitespace.
3885 (debug_tree_cfg): Point to correct header containing the
3888 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3891 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3893 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3896 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3897 or sorry count is non zero.
3899 2006-05-20 Andreas Schwab <schwab@suse.de>
3901 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3903 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3904 Kenneth Zadeck <zadeck@naturalbridge.com>
3906 PR rtl-optimization/26855
3908 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3910 (df_scan_alloc): Added code to properly handle multiword hard
3911 registers and add all_blocks parameter.
3912 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3913 code to properly handle multiword hard registers.
3914 (df_rescan_blocks): Added code to remove deleted blocks from
3916 (df_ref_create_structure, df_ref_record): Added code to properly
3918 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3919 and set DF_REF_PARTIAL.
3920 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3921 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3922 (df_scan_add_problem): Added flags parameter.
3923 (df_ref_create_structure): Changed switching structure.
3924 (df_bb_refs_record): Fixed case where duplicate artificial refs
3925 were created. Changed location of flags.
3926 (df_record_entry_block_defs): Added code to make stack pointer
3927 live in entry block. Refined cases where frame pointer is needed.
3928 Changed location of flags.
3929 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3930 (df_set_state): Removed function.
3931 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3932 df_insn_create_insn_record, df_insn_refs_delete,
3933 df_ref_create_structure): Formatting changes.
3934 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3935 df_delete_basic_block): New function.
3936 (df_init): Changed location of flags.
3937 (df_add_problem): Added flags parameter and the way flags are
3939 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3940 debug_df_chain): Improved debugging output.
3941 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3942 (df_refs_chain_dump): Removed df parameter.
3943 (df_iterative_dataflow): Added consistency check.
3944 (df_prune_to_subcfg): Made public.
3945 (df_analyze_problem): Added blocks_to_init parameter and made
3947 (df_ref_record, df_bb_refs_record, df_mark_reg,
3948 df_record_exit_block_uses): Whitespace changes.
3949 (df_dump): Whitespace changes.
3950 * df.h: Some reordering to remove forward references.
3951 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3952 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3953 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3954 (dataflow.flags): New field.
3955 (df.flag): Deleted field.
3956 (df_alloc_function): Added additional bitmap parameter.
3957 (df_dependent_problem_function): New type.
3958 (df_problem.changeable_flags): New field.
3959 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3960 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3961 (df_mw_hardreg): New struct.
3962 (DF_INSN_UID_MWS): New macro.
3963 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3965 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3966 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3967 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3968 (df_set_state): Removed function.
3969 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3970 * df-problems.c (df_chain_dump): Removed df parameter.
3971 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3972 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3974 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3975 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3976 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3977 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3978 DF_REF_MUST_CLOBBER cases.
3979 (df_ru_bb_local_compute_process_def,
3980 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3981 df_lr_bb_local_compute, df_ur_bb_local_compute,
3982 df_chain_create_bb): Made subreg aware.
3983 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3984 df_lr_bb_local_compute, df_lr_bb_local_compute,
3985 df_chain_create_bb): Cleanup to use proper macros.
3986 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3987 code to fixup bitvectors.
3988 (df_ri_alloc): Cleared lifetime.
3989 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3990 df_create_unused_note): New function.
3991 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3992 REG_DEAD and REG_UNUSED notes as well as register information.
3993 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3994 df_chains_dump): Fixed crash if problem was never run.
3995 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3996 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3997 df_ri_add_problem): Processes flags in uniform manner.
3998 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3999 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4000 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4001 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4002 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4003 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4004 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4005 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4006 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4007 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4008 * see.c (see_initialize_data): Ditto.
4009 * final.c (rest_of_clean_state) Added regstack_completed.
4010 * rtl.h (regstack_completed): Ditto.
4011 * reg-stack.c (regstack_completed): Ditto.
4013 2006-05-19 Mike Stump <mrs@apple.com>
4015 * c-tree.h (default_conversion): Remove.
4016 * c-common.h (default_conversion): Add.
4018 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4020 * tree-vrp.c (valid_value_p): New function.
4021 (adjust_range_with_scev): Fail if the value of bound is not
4024 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4026 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4027 (mips_fallback_frame_state): Use syscall numbers to determine
4028 the appropriate li instruction for the current ABI. Only use
4029 __NR_sigreturn for o32.
4031 2006-05-19 Nicolas Setton <setton@adacore.com>
4033 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4034 * langhooks.c (lhd_dwarf_name): New function.
4035 * langhooks-def.h (lhd_dwarf_name): Declare.
4036 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4037 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4038 * ada/misc.c (gnat_dwarf_name): New function.
4039 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4041 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4043 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4045 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4046 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4047 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4048 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4049 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4050 determine the size of Wtype, etc.
4051 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4052 (swfloatfuncs): New variable.
4053 (dwfloatfuncs): Likewise.
4054 (lib2funcs): Remove floating-point conversion functions from
4055 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4056 the set of conversion routines needed. Allow entries to specify
4057 an object name, filename and word size. Update users accordingly.
4058 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4059 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4063 2006-02-08 Roger Sayle <roger@eyesopen.com>
4066 * config/fixtfdi.c: New libgcc source file.
4067 * config/fixunstfdi.c: New source file.
4068 * config/floatditf.c: New source file.
4069 * config/floatunditf.c: New souce file.
4070 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4071 files above instead of config/mips/_tilib.c.
4072 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4074 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4076 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4077 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4079 2006-05-18 Mike Stump <mrs@apple.com>
4081 Fix up vla, vm and [*] sematics.
4087 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4088 (c_vla_unspec_p): Add.
4089 (c_vla_type_p): Add.
4090 * c-decl.c (struct c_scope): Add had_vla_unspec.
4091 (build_array_declarator): Add support for [*].
4092 (grokdeclarator): Likewise.
4093 (grokparms): Likewise.
4094 (get_parm_info): Likewise.
4095 * c-objc-common.c (c_vla_unspec_p): Likewise.
4096 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4097 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4098 typeof when argument is a variably modified type not inside sizeof or alignof.
4099 (c_parser_direct_declarator_inner): Propagate errors.
4100 (c_parser_sizeof_expression): Add support for [*].
4101 (c_parser_parms_declarator): Initialize had_vla_unspec.
4102 (c_parser_parms_list_declarator): Likewise.
4103 * c-typeck.c (c_vla_type_p): Add.
4104 (composite_type): Add support for vla compositing.
4105 (comptypes_internal): Add support for vla compatibility.
4106 (c_expr_sizeof_expr): Evaluate vla arguments.
4107 * tree.c (variably_modified_type_p): Update comment for [*].
4109 2006-05-18 Michael Matz <matz@suse.de>
4112 * config.host: Make assignments to host_xmake_file cumulative.
4113 * config.host (*-darwin*): Test $host, not $target.
4115 2006-05-12 Stuart Hastings <stuart@apple.com>
4117 * config/i386/i386.opt (-mstackrealign): New flag.
4118 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4119 (ix86_handle_cconv_attribute): Emit error when
4120 force_align_arg_pointer attribute collides with too many regparms.
4121 (ix86_function_regparm): Limit regparms when used with
4122 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4123 Support stack-realigning prologue in non-main functions. Emit
4124 warning for nested functions under -mstackrealign, emit error for
4125 nested functions with force_align_arg_pointer attribute.
4126 * doc/extend.texi (force_align_arg_pointer): Document it.
4127 * doc/invoke.texi (-mstackrealign): Document it.
4129 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4131 PR rtl-optimization/27477
4132 * combine.c (try_combine): Don't split a parallel consisting
4133 of two sets into two individual sets if both sets reference
4136 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4138 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4139 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4141 * doc/options.texi (VarExists): Updated.
4143 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4145 * unwind-dw2.c: Add declarations for uw_update_context and
4147 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4148 detected, advance frame state and context once to skip over stub.
4150 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4154 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4155 Call rewrite_into_loop_closed_ssa only when something changed.
4156 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4157 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4158 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4159 Test for perfect_nest_p here. Fix formating.
4160 (replace_uses_equiv_to_x_with_y): Fix formating.
4161 (stmt_uses_op): Removed.
4162 (can_convert_to_perfect_nest): Removed loopivs parameter.
4163 Complete the test by checking the scalar dependences.
4164 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4167 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4170 From Dan Kegel <dank@kegel.com>:
4171 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4173 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4175 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4176 if the element type is variably modified without recursing.
4178 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4181 * tree-loop-linear.c (try_interchange_loops): Test for
4182 no data dependences.
4184 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4186 PR tree-optimization/27548
4187 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4188 range of ssa names that appear on abnormal edges.
4189 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4190 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4192 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4195 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4197 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4200 * tree.h (OMP_PARALLEL_COMBINED): Define.
4201 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4202 (new_omp_context): Add is_combined_parallel argument.
4203 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4204 new_omp_context caller.
4205 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4206 Adjust gimplify_scan_omp_clauses callers.
4207 (omp_is_private): Issue errors if iteration variable is firstprivate
4208 or reduction in the current context.
4209 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4210 on combined parallel workshare constructs.
4212 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4214 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4215 (gcc-options.o): New rule.
4217 * optc-gen.awk: Protect variables for gcc-options.o with
4218 #ifdef GCC_DRIVER/#endif.
4220 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4222 Fix PR tree-optimization/27373
4223 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4224 (forward_propagate_addr_expr): Update call.
4226 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4228 * doc/options.texi: Move the Negative option.
4230 2006-05-16 Richard Guenther <rguenther@suse.de>
4232 PR tree-optimization/22303
4233 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4235 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4236 ccp_fold did not simplify the statement.
4238 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4241 * Makefile.in (GCC_OBJS): New.
4242 (OBJS-common): Add opts-common.o.
4243 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4244 (cpp$(exeext)): Likewise.
4245 (gcc.o): Also depend on opts.h.
4246 (opts-common.o): New.
4248 * common.opt (gcoff): Add Negative(gdwarf-2).
4249 (gdwarf-2): Add Negative(gstabs).
4250 (gstabs): Add Negative(gstabs+).
4251 (gstabs+): Add Negative(gvms).
4252 (gvms): Add Negative(gxcoff).
4253 (gxcoff): Add Negative(gxcoff+).
4254 (gxcoff+): Add Negative(gcoff).
4255 * config/i386/i386.opt (m32): Add Negative(m64).
4256 (m64): Add Negative(m32).
4258 * doc/options.texi: Document the Negative option.
4260 * gcc.c: Include "opts.h".
4261 (main): Call prune_options after expandargv.
4263 * optc-gen.awk: Generate common declarations for all flag
4264 variables in options.c. Output the neg_index field.
4266 * opts.c (find_opt): Moved to ...
4267 * opts-common.c: Here. New file.
4269 * opts.h (cl_option): Add a neg_index field.
4271 (prune_options): Likewise.
4273 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4276 * omp-low.c (expand_omp_parallel): Don't assert
4277 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4278 instead search for it.
4281 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4284 2006-05-16 Andreas Schwab <schwab@suse.de>
4286 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4289 2006-05-15 Roger Sayle <roger@eyesopen.com>
4292 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4293 integer constants other than zero are only legitimate on TARGET_64BIT.
4294 <CONST_VECTOR> Only zero vectors are legitimate.
4295 (ix86_cannot_force_const_mem): Integral and vector constants can
4296 always be put in the constant pool.
4298 2006-05-16 DJ Delorie <dj@redhat.com>
4300 * crtstuff.c (__dso_handle): Set section from
4301 TARGET_LBIGCC_SDATA_SECTION if defined.
4302 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4303 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4305 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4308 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4311 2006-05-16 Ben Elliston <bje@au.ibm.com>
4313 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4315 2006-05-15 Per Bothner <per@bothner.com>
4317 * tree.c: (last_annotated_node): Use source_locus typedef.
4318 This permits bootstrapping with --enable-mapped-location.
4320 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4322 PR tree-optimization/26830
4323 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4324 (info_for_ssa_name, current_info_for_ssa_name_age,
4325 blocks_to_update): New variables.
4326 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4327 (clear_ssa_name_info, initialize_flags_in_bb,
4328 mark_block_for_update): New functions.
4329 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4330 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4331 prepare_def_site_for): Use mark_block_for_update.
4332 (mark_def_interesting): Assert that the processed block is marked in
4333 blocks_to_update. Do not take blocks argument.
4334 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4336 (rewrite_update_init_block, rewrite_update_stmt): Only process
4337 blocks with statements to rewrite.
4338 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4339 (update_ssa): Initialize and free blocks_to_update. Do not
4340 clear flags on statements. Do not use blocks bitmap.
4341 * tree.h (SSA_NAME_AUX): Removed.
4342 (struct tree_ssa_name): Removed aux field.
4343 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4345 2006-05-15 Richard Guenther <rguenther@suse.de>
4347 PR tree-optimization/27603
4348 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4349 Do computations in original type.
4351 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4353 * see.c: Code style changes such as redundant paranthesis,
4354 redundant intialization of local variables etc.
4355 (see_main): Declared now as static.
4356 * doc/invoke.texi: Update that -fsee is not enabled by
4359 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4361 * omp-low.c (check_omp_nesting_restrictions): New function.
4362 (scan_omp_1): Call it.
4365 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4366 construct, return *VAR.
4368 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4370 PR rtl-optimization/27406
4371 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4374 2006-05-14 Roger Sayle <roger@eyesopen.com>
4376 PR rtl-optimization/27538
4377 * combine.c (expand_compound_operation): Call gen_lowpart
4378 before calling simplify_shift_const.
4380 2006-05-14 Roger Sayle <roger@eyesopen.com>
4382 PR rtl-optimization/22563
4383 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4384 a fixed width bitfield, always force the intermediates into psuedos.
4386 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4389 * mkconfig.sh: Use operator = instead of == for test.
4391 2006-05-13 Nick Clifton <nickc@redhat.com>
4393 * dwarf2out.c (dbx_reg_number): Check return value from
4394 LEAF_REG_REMAP and only use it if it is valid.
4395 (multiple_reg_loc_descriptor): Likewise.
4397 2006-05-13 Richard Guenther <rguenther@suse.de>
4399 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4402 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4404 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4405 information attached to non-INSNs such as NOTEs.
4406 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4408 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4410 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4412 * config/s390/s390.md: Adjust comment describing On constraint.
4414 2006-05-11 Jan Hubicka <jh@suse.cz>
4416 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4417 to be output at -O0.
4419 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4422 * fold-const.c (size_binop): Move sanity check for arguments to
4423 the beginning of the function.
4426 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4429 2006-05-11 Richard Guenther <rguenther@suse.de>
4432 * fold-const.c (fold_unary): Handle intermediate conversion
4433 to a pointer type like intermediate conversion to an integer
4434 type in folding of (T1)(T2)var to var.
4435 Match the code to the comment in the final conversion for
4436 (T1)(T2)var to (T1)var regarding to type precision. Rather
4437 than disallow T1 being of pointer type, assert that both T1
4438 and var are of pointer type or not. Make sure not to fall
4439 over the frontends lazyness wrt array to pointer decay though.
4441 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4443 * arm.c (arm_struct_value_rtx): Delete.
4444 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4445 (arm_init_cumulative_args): Always initialize nregs to zero.
4447 2006-05-10 Richard Guenther <rguenther@suse.de>
4449 PR tree-optimization/27532
4450 * tree-object-size.c (plus_expr_object_size): Fix typo.
4452 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4455 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4456 ashrdi_const, ashrdi3): Use a scratch register.
4458 2006-05-10 Richard Guenther <rguenther@suse.de>
4460 PR tree-optimization/27302
4461 * fold-const.c (operand_equal_p): For two comparisons,
4462 try comparison of one comparison code swapped if that yields
4465 2006-05-10 Ben Elliston <bje@au.ibm.com>
4467 * tree-pretty-print.c (pretty_print_string): No need to handle
4468 '\0' as a special character.
4470 * tree.h: Include "hashtab.h".
4471 (iterative_hash_expr): Use hashval_t in its prototype.
4472 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4474 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4477 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4478 (hppa*64*-*-hpux11*): Ditto.
4479 (hppa[12]*-*-hpux11*): Ditto.
4481 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4484 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4486 2006-05-09 Michael Matz <matz@suse.de>
4488 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4489 host_extra_gcc_objs and host_xmake_file.
4490 (<*-*-linux*>): Don't overwrite host_xmake_file.
4491 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4492 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4493 (host_detect_local_cpu): Declare.
4494 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4495 * config/i386/i386.c (override_options): Handle -mtune=native
4497 * config/i386/x-i386: New file.
4498 * config/i386/driver-i386.c: New file.
4499 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4502 2006-05-09 Dirk Mueller <dmueller@suse.de>
4503 Richard Guenther <rguenther@suse.de>
4506 * fold-const.c (fold_read_from_constant_string): Relax check
4507 for matching types to matching modes.
4509 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4511 PR rtl-optimization/27335
4512 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4515 2006-05-08 Chao-ying Fu <fu@mips.com>
4516 Richard Sandiford <richard@codesourcery.com>
4518 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4519 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4520 * config/mips/mips.md (UNSPEC_SCC): New constant.
4521 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4522 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4523 (mips_emit_compare): Use it.
4524 (mips_expand_vcondv2sf): New function.
4526 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4528 Fix PR tree-optimization/27093
4529 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4530 renaming when they become not-used_alone.
4532 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4534 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4535 relocation and relocation stubs.
4537 2006-05-08 Eric Christopher <echristo@apple.com>
4539 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4542 2006-05-08 Jan Hubicka <jh@suse.cz>
4545 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4546 unused static functions are needed.
4548 2006-05-08 Roger Sayle <roger@eyesopen.com>
4551 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4552 of a reg_equiv_constant if the result is a legitimate constant.
4554 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4557 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4558 standard 80387 constants, raise the cost to prevent
4559 compress_float_constant() to generate load from memory.
4561 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4563 * config/arm/constraints.md (c): Fix a typo.
4565 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4568 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4571 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4573 (_mm_mwait): Likewise.
4575 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4577 (sse3_monitor): Make it 32bit only.
4578 (sse3_monitor64): New. 64bit monitor.
4580 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4583 * config/i386/i386.c (classify_argument): Skip fields with invalid
4586 2006-05-07 Richard Guenther <rguenther@suse.de>
4588 PR tree-optimization/27409
4589 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4590 Do not try to find zero-sized subvars.
4592 2006-05-07 Richard Guenther <rguenther@suse.de>
4594 PR tree-optimization/27136
4595 * tree-ssa-loop-niter.c (get_val_for): Correct function
4596 comment, assert requirements.
4597 (loop_niter_by_eval): Stop processing if the iterated
4598 value did not simplify.
4600 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4602 * opts.c (flag_see): remove its setting at -O3.
4604 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4606 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4607 * arm/constraints.md: New file.
4608 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4609 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4610 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4611 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4612 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4613 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4614 * arm.md: Include constraints.md.
4615 (thumb_movsi_insn): Use satisfies_constraint_J.
4616 (movhi, movqi): Use satisfies_constraint_I.
4618 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4620 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4621 for atmeg a645 device.
4623 2006-05-06 Richard Guenther <rguenther@suse.de>
4625 PR tree-optimization/27151
4626 * tree-vect-transform.c (vectorizable_condition): Punt on
4627 values that have a different type than the condition.
4629 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4632 * c-parser.c (c_parser_cast_expression): Only insert casts into
4633 hash table if pointer.
4634 * function.c (used_types_insert_helper): Rename from
4636 (used_types_insert): Call used_types_insert_helper.
4637 * function.h (used_types_insert): Accept only one argument.
4639 2006-05-05 David Edelsohn <edesohn@gnu.org>
4641 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4642 scratch with output modifier.
4644 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4647 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4648 with output modifier.
4650 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4653 * config/mips/mips.c (mips_symbolic_address_p): Return true
4654 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4655 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4657 2006-05-04 Richard Guenther <rguenther@suse.de>
4659 PR tree-optimization/14287
4660 PR tree-optimization/14844
4661 PR tree-optimization/19792
4662 PR tree-optimization/21608
4663 PR tree-optimization/27090
4664 * tree-ssa-pre.c (try_combine_conversion): New function.
4665 (compute_avail): After constructing the value-handle
4666 expression, use try_combine_conversion to combine NOP_EXPRs
4667 with previous value-handle expressions and use the result if it
4670 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4672 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4674 2006-05-04 Jan Hubicka <jh@suse.cz>
4677 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4679 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4681 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4682 that this only matches CONST_INTs. All users changed to VOIDmode
4685 * config/bfin/bfin.c: Include "optabs.h".
4686 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4688 (enum bfin_builtins): Add a number of fractional and vector builtins.
4689 (bfin_init_builtins): Likewise.
4690 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4691 (safe_vector_operand, bfin_expand_binop_builtin,
4692 bfin_expand_unop_builtin): New functions.
4693 (bfin_expand_builtin): Handle the new builtins.
4694 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4697 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4700 * Makefile.in (OBJS-common): Add see.o.
4701 (see.o): Add dependencies.
4702 * common.opt (fsee): New flag for the see optimization was added.
4703 * opts.c (flag_see): Initialized.
4704 * passes.c (init_optimization_passes, pass_see): New pass.
4705 * rtl.h (see_main): Declaration as extern.
4706 * timevar.def (TV_SEE): New.
4707 * tree-pass.h (pass_see): Declaration as extern.
4708 * invoke.texi (-fsee): Document.
4709 * recog.c (validate_simplify_insn): New function.
4710 * recog.h (validate_simplify_insn): Declaration as extern.
4711 * df-problems.c (df_chain_dump): Check for NULL.
4713 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4714 Daniel Berlin <dberlin@dberlin.org>
4716 * cfgrtl.c (insert_insn_bb_end_new): New function.
4717 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4719 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4721 * df.h (struct web_entry): Moved from web.c.
4722 (union_defs): Declaration as extern.
4723 (unionfind_root): Likewise.
4724 (unionfind_union): Likewise.
4725 * web.c (struct web_entry): Moved to df.h.
4726 (unionfind_root): Remove static declaration.
4727 (unionfind_union): Likewise.
4728 (union_defs): Likewise and generalize to use callback function.
4729 (web_main): Update arguments for union_defs function call.
4731 2006-05-04 Richard Guenther <rguenther@suse.de>
4733 PR tree-optimization/26447
4734 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4735 produce SSA_NAME copies before the store stmt to avoid
4736 breaking exception handling.
4738 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4741 * gimplify.c (omp_is_private): If var is shared in some outer context,
4742 return false instead of true. Stop searching on parallel context
4745 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4748 * coverage.c: Use get_gcov_unsigned_t() instead of
4749 unsigned_type_node all over.
4751 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4753 PR tree-optimization/27381
4754 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4755 maintain the same immediate_use links.
4756 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4757 node rather than segfaulting.
4759 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4762 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4763 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4764 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4766 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4768 Fix PR tree-optimization/26626
4769 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4771 * tree-ssa-operands.c (access_can_touch_variable): Allow
4772 typecasting through union pointers.
4774 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4777 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4778 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4779 to find if var will be a global variable even in the nested context.
4780 (omp_copy_decl): Only check for global variable at the end, it might
4781 be overridden in outer contexts.
4782 (scan_sharing_clauses): For global variables don't create a field.
4783 (lower_rec_input_clauses): Do nothing for global shared variables.
4784 Emit a barrier at the end of ILIST if there were any decls in both
4785 firstprivate and lastprivate clauses.
4786 (lower_send_clauses): Do nothing for global variables except for
4789 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4791 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4792 of the correct signedness is returned.
4794 2006-05-02 Jeff Law <law@redhat.com>
4796 PR tree-optimization/27364
4797 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4798 multiply expressions.
4800 2006-05-02 Tom Tromey <tromey@redhat.com>
4802 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4804 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4807 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4808 -mthumb -fPIC are used.
4810 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4811 Joshua Kinard <kumba@gentoo.org>
4814 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4815 with 64-bit pointers.
4817 2006-05-02 Paul Brook <paul@codesourcery.com>
4819 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4821 (create_fix_barrier): Check that a suitable barrier location is
4823 (arm_reorg): Include ftmp->address in allowable range of addresses.
4825 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4828 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4831 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4834 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4835 around RESULT_DECL for result passed by reference.
4836 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4837 * omp-low.c (use_pointer_for_field): Don't look at
4838 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4839 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4840 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4841 time or var for passing by reference for
4842 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4843 TREE_ADDRESSABLE variables when passing by reference.
4845 * omp-low.c (dump_omp_region): Fix output formatting.
4848 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4849 (expand_omp_parallel): Likewise.
4850 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4853 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4854 on statement list containing also constructors and destructors.
4855 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4858 * except.c (duplicate_eh_regions): Fix clearing of
4859 cfun->eh->region_array entries.
4861 2006-05-01 DJ Delorie <dj@redhat.com>
4863 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4865 (gcc_cv_objdump): Likewise.
4866 * configure: Regenerated.
4868 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4871 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4872 templates for case 3 and 4.
4874 2006-05-01 DJ Delorie <dj@redhat.com>
4876 * vec.c: Include bconfig.h when appropriate.
4877 * Makefile.in (build/vec.o): Adjust dependencies.
4878 * mkconfig.sh: Make sure config.h isn't used for build machine
4881 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4883 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4885 (mark_phi_for_rewrite): New function.
4886 (insert_phi_nodes_for, mark_use_interesting): Call
4887 mark_phi_for_rewrite.
4888 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4889 (update_ssa): Initialize and free phis_to_rewrite.
4891 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4893 PR rtl-optimization/27291
4894 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4895 folded to a constant.
4897 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4899 PR tree-optimization/27283
4900 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4901 not whole # of iteration descriptions.
4902 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4903 uses abnormal ssa name.
4904 (niter_for_single_dom_exit): Ditto.
4905 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4906 return just the number of iterations.
4908 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4910 PR tree-optimization/27144
4911 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4912 (record_estimate): Only record constant upper bound.
4913 (infer_loop_bounds_from_undefined): Call
4914 compute_estimated_nb_iterations just once.
4915 (proved_non_wrapping_p): Renamed to ...
4916 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4917 (convert_step_widening, scev_probably_wraps_p): Call
4918 n_of_executions_at_most instead of proved_non_wrapping_p.
4919 (substitute_in_loop_info): Do not replace values in bounds.
4920 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4923 2006-05-01 Richard Henderson <rth@redhat.com>
4926 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4927 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4930 2006-05-01 Roger Sayle <roger@eyesopen.com>
4932 * c-typeck.c (parser_build_binary_op): Don't call the function
4933 unsigned_conversion_warning to spot operand/result type overflow.
4934 (build_binary_op): Instead, call convert_and_check instead of
4935 convert to report the problem when the operands are promoted.
4936 * c-common.c (unsigned_conversion_warning): Make static.
4937 * c-common.h (unsigned_conversion_warning): Delete prototype.
4939 2006-05-01 Richard Guenther <rguenther@suse.de>
4941 PR tree-optimization/26726
4942 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4944 (find_interesting_uses_address): ... we work around here
4945 by folding INDIRECT_REFs in the substituted base.
4947 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4949 * omp-low.c (dump_omp_region): Add newlines.
4951 2006-04-30 Roger Sayle <roger@eyesopen.com>
4953 * common.opt (Woverflow): New command line option.
4954 * c-common.c (constant_expression_warning): Check warn_overflow.
4955 (overflow_waring): Pass OPT_Woverflow to warning.
4956 (unsigned_conversion_warning): Likewise.
4957 (convert_and_check): Likewise.
4958 * doc/invoke.texi: Document new command line option.
4960 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4962 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4963 TARGET_NO_FP_IN_TOC for section anchors.
4964 (optimization_options): Enable section anchors for all
4965 non-"Objective" languages.
4967 2006-04-28 Eric Christopher <echristo@apple.com>
4969 * config/darwin-c.c (darwin_ms_struct): Move this
4970 (darwin_set_default_type_attributes): and this...
4971 * config/darwin.c: ... here.
4972 * config/darwin.h (darwin_ms_struct): Declare.
4974 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4976 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4978 2006-04-28 Roger Sayle <roger@eyesopen.com>
4981 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4982 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4983 an unsigned HOST_WIDE_INT.
4984 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4986 (really_start_incremental_init): No need to call convert because
4987 bitsize_zero_node is already of type bitsizetype.
4988 (push_init_level): Extract the value of constructor_index as an
4989 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4990 (process_init_element): Likewise.
4992 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4994 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4995 value before passing to make_relative_prefix.
4997 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5000 * builtins.c (expand_builtin_memset): Expand val in original mode.
5002 2006-04-27 Eric Christopher <echristo@apple.com>
5004 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5005 with #ifndef/#endif.
5006 * config/darwin-c.c (darwin_ms_struct): New.
5007 (darwin_pragma_ms_struct): Ditto.
5008 (darwin_set_default_type_attributes): Ditto.
5009 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5010 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5011 Register ms_struct pragma.
5012 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5013 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5014 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5015 darwin_set_default_type_attributes if TARGET_MACHO.
5017 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5019 PR tree-optimization/26854
5020 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5021 * doc/tree-ssa.texi: Update immuse iterator documentation.
5022 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5023 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5024 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5025 first_safe_imm_use, next_safe_imm_use): Remove.
5026 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5027 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5028 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5029 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5030 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5031 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5032 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5033 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5034 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5035 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5036 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5037 (perfect_nestify): Use new iterator.
5038 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5040 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5041 (next_imm_name): New field in struct immediate_use_iterator_d.
5042 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5043 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5044 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5045 * tree-cfg.c (replace_uses_by): Use new iterator.
5046 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5047 * tree-ssa-operands.c (correct_use_link): Remove.
5048 (finalize_ssa_use_ops): No longer call correct_use_link.
5050 2006-04-27 Stuart Hastings <stuart@apple.com>
5052 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5053 * config/t-darwin (crt3.o): Use it.
5054 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5055 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5056 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5057 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5058 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5061 2006-04-27 Roger Sayle <roger@eyesopen.com>
5063 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5064 size, force the intermediate into a new pseudo rather instead of
5065 performing both a bitwise AND and a bitwise IOR in memory.
5067 2006-04-27 Richard Guenther <rguenther@suse.de>
5069 PR rtl-optimization/26685
5070 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5071 this one "max-flow-memory-locations".
5073 2006-04-27 Richard Guenther <rguenther@suse.de>
5075 PR tree-optimization/25148
5076 * tree-vrp.c (compare_values): Remove code dealing with
5077 comparisons against type min/max value. Honour overflow
5078 and negative constants in code dealing with comparisons
5079 of plus and minus expressions.
5080 (value_inside_range): Use fold_binary with LE_EXPR and
5081 GE_EXPR rather than compare_values.
5083 2006-04-27 Dirk Mueller <dmueller@suse.de>
5085 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5088 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5090 * basic-block.h (safe_insert_insn_on_edge): Removed.
5091 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5093 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5094 Paolo Bonzini <bonzini@gnu.org>
5097 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5098 (simplify_and_const_int): Same.
5100 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5102 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5104 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5107 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5108 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5109 cgraph_global_info_ready.
5112 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5115 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5116 either decl or init is error_mark_node.
5119 * tree-flow.h (struct omp_region): Add sched_kind.
5120 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5121 instead of extracting omp for data.
5122 (expand_omp_for): Save extracted sched_kind.
5124 2006-04-25 Roger Sayle <roger@eyesopen.com>
5126 * expmed.c (store_bit_field): Also check whether the bitsize is
5127 valid for the machine's "insv" instruction before moving the
5128 target into a pseudo for use with the insv.
5129 * config/i386/predicates.md (const8_operand): New predicate.
5130 * config/i386/i386.md (extv, extzv, insv): Use the new
5131 const8_operand predicate where appropriate.
5133 2006-04-25 DJ Delorie <dj@redhat.com>
5135 * doc/install.texi (Specific): Clarify that this is not a list of
5136 supported hosts or targets.
5138 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5140 PR rtl-optimization/26725
5141 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5142 block's BB_DIRTY flag.
5144 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5146 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5149 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5150 to print an integer.
5152 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5154 * varasm.c (align_variable): New function.
5155 (get_block_for_decl): Apply align_variable to DECL before
5156 calculating section information.
5157 (assemble_variable): Split out alignment computation.
5159 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5161 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5164 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5166 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5167 MODE_PARTIAL_INT mode.
5168 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5169 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5171 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5172 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5174 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5176 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5178 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5179 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5180 MACFLAG_IH): Likewise.
5181 (movstricthi_1): Renamed from "*movstricthi".
5182 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5183 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5184 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5185 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5186 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5187 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5188 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5189 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5190 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5191 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5192 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5193 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5194 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5195 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5196 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5198 * doc/rtl.texi (ss_ashift): Improve wording.
5200 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5202 * dwarf2out.c (verify_marks_clear): New.
5203 (prune_unused_types): Call verify_marks_clear initially, not
5206 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5208 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5209 * doc/rtl.texi: Document them.
5210 * simplify-rtx.c (simplify_unary_operation,
5211 simplify_binary_operation_1): Don't abort when we see them.
5213 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5216 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5217 * configure.ac: Completely disregard languages that are not
5219 * configure: Regenerated.
5221 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5222 Richard Guenther <rguenther@suse.de>
5224 PR tree-optimization/27236
5225 * tree-inline.c (copy_body_r): Make sure to copy
5226 TREE_THIS_VOLATILE flag.
5228 2006-04-24 Richard Guenther <rguenther@suse.de>
5231 * tree-complex.c (update_parameter_components): Don't handle
5232 unused parameters which have no default def.
5234 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5235 Richard Guenther <rguenther@suse.de>
5237 PR tree-optimization/27218
5238 * tree-inline.c (expand_call_inline): Strip useless type
5239 conversions for the return slot address.
5241 2006-04-24 Richard Guenther <rguenther@suse.de>
5243 * cfgloop.h (struct loops): Remove unused field array. Reorder
5245 (LOOP_PREFETCH): Remove.
5247 2006-04-24 Richard Guenther <rguenther@suse.de>
5249 PR tree-optimization/22525
5250 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5251 variable, adjust types of generated expressions.
5253 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5255 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5256 (tree-vect-patterns.o): Likewise.
5258 (cselib.o): Likewise.
5259 (loop-doloop.o): Likewise.
5260 (regclass.o): Likewise.
5261 (reload1.o): Likewise.
5262 (explow.o): Replace target.h with $(TARGET_H).
5263 (ipa-prop.o): Likewise.
5264 (ipa-cp.o): Likewise.
5265 (ipa-inline.o): Likewise.
5266 (reorg.o): Likewise.
5267 (reg-stack.o): Likewise.
5269 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5271 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5273 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5275 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5277 * configure.ac: Completely disregard languages that are not
5279 * configure: Regenerated.
5282 * c-common.h (c_build_bitfield_integer_type): Declare.
5283 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5284 * c-common.c (c_build_bitfield_integer_type): ... here.
5286 2006-04-23 Roger Sayle <roger@eyesopen.com>
5289 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5290 a SImode SUBREG of a floating point register after no_new_pseudos.
5292 2006-04-23 Roger Sayle <roger@eyesopen.com>
5294 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5295 identify potentially eliminable registers to additionally catch
5296 VIRTUAL_INCOMING_ARGS_REGNUM.
5297 (addsi3): Update the conditions on when to use addsi_small_int.
5299 2006-04-23 Roger Sayle <roger@eyesopen.com>
5302 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5303 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5304 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5306 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5308 * fold-const.c (range_predecessor): Use operand_equal_p
5309 as the predicate for equality.
5310 (range_successor): Likewise.
5312 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5315 * config/soft-fp/op-common.h: Fix a typo.
5317 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5320 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5321 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5323 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5325 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5327 * doc/tm.texi: Fix a typo.
5329 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5331 * dwarf2out.c (struct die_struct): Document that die_sib makes
5332 a circular linked list.
5333 (FOR_EACH_CHILD): New.
5334 (reverse_die_lists): Delete.
5335 (reverse_all_dies): Delete.
5336 (add_dwarf_attr): Correct documentation.
5337 (remove_child_with_prev): New.
5338 (remove_child_TAG): Update for change to die_struct, use
5339 remove_child_with_prev.
5340 (add_child_die): Update for change to die_struct.
5341 (splice_child_die): Use remove_child_with_prev and add_child_die.
5342 (print_die): Use FOR_EACH_CHILD.
5343 (die_checksum): Likewise.
5344 (assign_symbol_names): Likewise.
5345 (output_location_lists): Likewise.
5346 (build_abbrev_table): Likewise.
5347 (calc_die_sizes): Likewise.
5348 (mark_dies): Likewise.
5349 (unmark_dies): Likewise.
5350 (unmark_all_dies): Likewise.
5351 (output_die): Likewise.
5352 (prune_unused_types_mark): Likewise.
5353 (prune_unused_types_walk): Likewise.
5354 (same_die_p): Update for change to die_struct.
5355 (break_out_includes): Likewise.
5356 (prune_unused_types_prune): Likewise.
5357 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5358 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5360 (dwarf2out_finish): Don't call reverse_all_dies.
5362 2006-04-21 Eric Christopher <echristo@apple.com>
5364 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5365 in comments and function names.
5367 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5370 * c-typeck.c (digest_init): Robustify.
5372 * c-typeck.c (pop_init_level): Simplify.
5374 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5376 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5378 2006-04-21 Paul Brook <paul@codesourcery.com>
5380 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5381 hardware floating point.
5383 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5385 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5388 2006-04-21 Nick Clifton <nickc@redhat.com>
5390 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5393 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5396 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5397 C++ lang type in traceback table for Objective-C++.
5399 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5401 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5403 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5405 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5408 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5409 were errors. Remove check for erroneous objects.
5411 2006-04-20 Jeff Law <law@redhat.com>
5413 PR tree-optimization/26854
5414 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5415 checking for zero or one use.
5416 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5417 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5418 * tree-ssa-reassoc.c (negate_value): Similarly.
5419 (reassociate_bb): Similarly.
5421 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5423 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5424 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5425 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5427 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5429 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5430 fp regs if the last fp arg doesn't fit in regs.
5432 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5435 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5436 that the last insn has the REG_INC note.
5438 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5439 Nathan Sidwell <nathan@codesourcery.com>
5442 * stor-layout.c (update_alignment_for_field): Do not align
5444 (place_union_field): Place union field at the start of the union.
5445 (place_field): Move ERROR_MARK check later, and use the current
5446 allocation position to maintain monotonicity.
5448 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5450 * dominance.c: Include timevar.h.
5451 (calculate_dominance_info): Use TV_DOMINANCE.
5452 * timevar.def (TV_DOMINANCE): New timevar.
5453 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5455 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5457 PR rtl-optimization/14261
5458 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5459 move would be an INSV insn.
5460 (noce_process_if_block): Don't optimize if the destination is a
5461 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5463 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5465 * config/s390/s390.md: Add comments with the instructions emitted
5466 by an insn pattern if macros are used.
5468 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5470 PR rtl-optimization/26026
5471 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5472 is a known power of two shifted left a variable amount.
5474 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5476 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5477 to hash table twice when the debug_str section has SECTION_MERGE.
5479 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5481 * config/soft-fp: New directory. From glibc.
5482 * config/soft-fp/t-softfp: New.
5483 * config/soft-fp/README: New.
5484 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5485 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5486 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5487 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5488 * config.gcc: Use rs6000/t-fprules-fpbit or
5489 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5491 * config/rs6000/sfp-machine.h: New. Based on glibc.
5492 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5494 * config/rs6000/t-fprules: Remove fp-bit rules.
5495 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5496 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5497 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5498 (softfp_wrap_start, softfp_wrap_end): New.
5500 2006-04-18 DJ Delorie <dj@redhat.com>
5502 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5504 2006-04-18 Devang Patel <dpatel@apple.com>
5506 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5508 2006-04-18 Nick Clifton <nickc@redhat.com>
5510 * config/sh/t-symbian: Add rule to build sh-c.o
5511 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5512 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5513 (sh_symbian_encode_section_info): Likewise.
5515 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5517 * builtins.c (expand_builtin_strcmp): Cover label definition of
5518 do_libcall with HAVE_cmpstrnsi.
5520 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5522 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5524 * function.h (temp_slot_p): New.
5525 (function): Change the type of x_used_temp_slots to
5526 VEC(temp_slot_p,gc) *.
5528 2006-04-18 Nick Clifton <nickc@redhat.com>
5530 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5531 flag_strength_reduce.
5533 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5535 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5539 Partial revert of revision 112637
5540 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5541 Dale Johannesen <dalej@apple.com>
5544 * regclass.c (struct reg_pref): Update documentation.
5545 (regclass): Set prefclass to NO_REGS if memory is the best option.
5546 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5548 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5550 PR tree-optimization/26821
5551 * tree-ssa-math-opts.c (get_constant_one): New.
5552 (insert_reciprocals): Use it.
5554 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5556 * dwarf2out.c (free_AT): Delete.
5557 (remove_AT): Update string ref counts.
5558 (remove_child_TAG): Don't call free_die.
5560 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5561 or DW_TAG_GNU_EINCL.
5562 (prune_unused_types_walk_attribs): Reset string refcounts.
5563 (prune_unused_types_update_strings): New.
5564 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5565 call free_die. Do call prune_unused_types_update_strings.
5566 (prune_unused_types): Empty debug_str_hash.
5568 2006-04-17 Roger Sayle <roger@eyesopen.com>
5570 * expr.c (expand_assignment): Optimize away no-op moves where the
5571 source and destination are equal and have no side-effects.
5573 2006-04-17 Richard Guenther <rguenther@suse.de>
5576 * reload.c (push_reload): Guard calls to get_secondary_mem
5579 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5581 * alias.c (reg_base_value, old_reg_base_value): Change the
5582 type to VEC(rtx,gc) *.
5583 (REG_BASE_VALUE, find_base_value, record_set,
5584 init_alias_analysis): Use VEC instead of VARRAY.
5586 * alias.c (alias_sets): Change the type to
5587 VEC(alias_set_entry,gc) *.
5588 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5589 VEC instead of VARRAY.
5590 (last_alias_set): Remove.
5592 * cgraph.h (cgraph_edge_p): New.
5593 Update the prototype of cgraph_function_versioning.
5594 * cgraphunit.c (cgraph_copy_node_for_versioning,
5595 cgraph_function_versioning): Use VEC instead of VARRAY.
5596 * ipa-cp.c (ipcp_insert_stage): Likewise.
5598 2006-04-16 Roger Sayle <roger@eyesopen.com>
5601 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5602 "A op B" or "A op C", we may need to convert A to the type of B and C.
5604 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5606 * target.h (struct gcc_target): Add mode_rep_extended.
5607 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5608 (init_num_sign_bit_copies_in_rep): Initialize it using
5610 (truncate_to_mode): Use it.
5611 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5612 * targhooks.h (default_mode_rep_extended): Declare it.
5613 * targhooks.c (default_mode_rep_extended): Define it.
5614 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5615 default_mode_rep_extended.
5616 (TARGET_INITIALIZER): Include it.
5617 * doc/tm.texi (Misc): Document it.
5618 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5619 (mips_truncated_to_mode): New function.
5621 2006-04-16 Roger Sayle <roger@eyesopen.com>
5624 * expr.c (compress_float_constant): Copy the narrow constant into
5625 a new pseudo before extending it to its final width.
5627 2006-04-16 Roger Sayle <roger@eyesopen.com>
5628 Andrew Pinski <pinskia@gcc.gnu.org>
5629 Dale Johannesen <dalej@apple.com>
5632 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5633 special case code to implement V8HImode and V16QImode with SSE2.
5635 2006-04-15 Roger Sayle <roger@eyesopen.com>
5637 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5638 trees are constructed with a suitable tree type.
5640 2006-04-15 Roger Sayle <roger@eyesopen.com>
5642 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5643 (integer_onep): Likewise.
5644 (integer_all_onesp): Likewise.
5645 (integer_pow2p): Likewise.
5646 (integer_nonzerop): Likewise.
5647 (real_zerop): Likewise.
5648 (real_onep): Likewise.
5649 (real_twop): Likewise.
5650 (real_minus_onep): Likewise.
5651 (int_size_in_bytes): Likewise.
5652 (host_integerp): Likewise.
5654 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5656 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5657 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5658 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5660 * tree-ssa-structalias.h (alias_info): Remove num_references.
5662 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5664 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5665 (output_bvb patterns): Likewise.
5666 * pa.c (output_bb): Use 'bb' insn for long branch case.
5667 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5668 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5669 1. Correct length operand for alternatives 1 and 2.
5670 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5671 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5673 2006-04-14 Roger Sayle <roger@eyesopen.com>
5675 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5676 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5677 were accidentally reverted by r112959.
5679 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5682 * except.h (eh_region_outermost): New prototype.
5683 * except.c (eh_region_outermost): New function.
5684 * tree-cfg.c (find_outermost_region_in_block): Use it.
5686 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5688 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5690 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5691 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5692 (init_reload, reload): Use VEC instead of VARRAY.
5693 * reload.h: Update the prototype for
5694 reg_equiv_memory_loc_varray.
5696 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5697 Eric Botcazou <ebotcazou@libertysurf.fr>
5699 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5702 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5705 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5706 to expand fallback builtin function call.
5708 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5711 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5712 and emit libcall here in case the builtin fails.
5713 (expand_builtin_strcmp): Always emit the libcall here on failure.
5715 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5717 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5718 * flow.c (reg_n_info): Change the type to
5719 VEC(reg_info_p,heap) *.
5720 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5722 * regs.h (reg_info_p): New.
5723 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5724 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5725 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5728 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5730 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5732 * params.h (MAX_SCHED_READY_INSNS): New macro.
5733 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5734 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5735 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5736 the ready list for 1 cycle during the first scheduling pass.
5737 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5739 2006-04-13 Richard Henderson <rth@redhat.com>
5742 * gimple-low.c (lower_omp_directive): Remove dead code.
5743 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5744 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5745 * omp-low.c (struct omp_region): Move to tree-flow.h.
5746 (root_omp_region): Export.
5747 (omp_regions, lookup_omp_region): Remove.
5748 (determine_parallel_type): Update for struct omp_region changes.
5749 (dump_omp_region): Dump regions with block numbers.
5750 (new_omp_region): Take type and block instead of stmt; malloc
5752 (free_omp_region_1, free_omp_regions): New.
5753 (expand_parallel_call): Take entry_stmt as argument; update for
5754 changes to omp_region.
5755 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5756 (remove_exit_barriers): New.
5757 (expand_omp_parallel): Update for struct omp_region changes.
5758 (expand_omp_synch): Likewise.
5759 (expand_omp): Likewise.
5760 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5761 (expand_omp_for_static_chunk): Likewise.
5762 (expand_omp_for): Likewise.
5763 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5764 (expand_omp_sections): Similarly, with GOMP_sections_end.
5765 (expand_omp_single): New.
5766 (build_omp_regions_1): Update for OMP_CONTINUE.
5767 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5768 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5769 OMP_SECTIONS_SECTIONS.
5770 (lower_omp_single_simple): Don't emit barrier here.
5771 (lower_omp_single_copy): Likewise.
5772 (lower_omp_single): Fix bindings, and lower to straightline now.
5773 (lower_omp_master, lower_omp_ordered): Likewise.
5774 (lower_omp_critical): Likewise.
5775 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5776 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5777 omp edges, free it afterward.
5778 (make_omp_sections_edges): Remove.
5779 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5780 (move_stmt_r): Handle OMP_CONTINUE.
5781 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5782 statement pointers to basic blocks. Add type member.
5783 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5784 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5785 * tree-inline.c (estimate_num_insns_1): Likewise.
5786 * tree-pretty-print.c (dump_generic_node): Likewise.
5787 * tree-ssa-operands.c (get_expr_operands): Likewise.
5788 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5789 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5790 (OMP_CONTINUE): New.
5791 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5792 (OMP_SECTIONS_SECTIONS): Remove.
5793 (OMP_SECTION_LAST): New.
5794 (OMP_RETURN_NOWAIT): New.
5796 2006-04-13 Roger Sayle <roger@eyesopen.com>
5798 * fold-const.c (native_encode_vector, native_interpret_real):
5799 Correct obvious mistakes in the previous check-in.
5801 2006-04-13 Roger Sayle <roger@eyesopen.com>
5803 * fold-const.c (native_encode_expr): New function to encode
5804 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5805 or VECTOR_CST into a specified buffer.
5806 (native_encode_int): New function.
5807 (native_encode_real): New function.
5808 (native_encode_complex): New function.
5809 (native_encode_vector): New function.
5810 (native_interpret_expr): Inverse of native_encode_expr to convert
5811 a target representation into an INTEGER_CST, REAL_CST etc...
5812 (native_interpret_int): New function.
5813 (native_interpret_real): New function.
5814 (native_interpret_complex): New function.
5815 (native_interpret_vector): New function.
5816 (fold_view_convert_expr): New function to constant fold/evaluate
5817 a VIEW_CONVERT_EXPR of a suitable constant expression.
5818 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5819 Change call of build1 to fold_build1 when constructing a
5822 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5823 Ulrich Weigand <uweigand@de.ibm.com>
5826 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5829 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5832 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5833 optimize to lo_sum for DFmode if !TARGET_FPRS.
5835 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5837 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5838 delete_alias_info, compute_flow_sensitive_aliasing,
5839 group_aliases): Use VEC instead of VARRAY.
5840 * tree-ssa-structalias.c (update_alias_info): Likewise.
5841 * tree-ssa-structalias.h (alias_info): Change the type of
5842 processed_ptrs to VEC(tree,heap) *.
5844 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5847 * config/sh/lib1funcs.h: New file, broken out of:
5848 * config/sh/lib1funcs.asm.
5849 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5851 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5852 * config/sh/lib1funcs-Os-4-200.asm: New file.
5853 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5854 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5855 (EXTRA_MULTILIB_PARTS): Include it.
5856 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5857 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5858 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5859 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5862 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5864 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5865 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5866 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5868 * tree-ssa-live.h: Include vecprim.h.
5869 (tree_partition_associator_d): Change the type of
5870 first_partition to VEC(int,heap) *.
5871 (tpa_first_partition): Use VEC instead of VARRAY.
5873 * Makefile.in (GTFILES): Move functions.h after tree.h.
5874 * function.c (reset_block_changes, record_block_change,
5875 check_block_change, free_block_changes): Use VEC instead of
5877 * function.h (function): Change the type of
5878 ib_boundaries_block to VEC(tree,gc) *.
5879 * tree-inline.c (copy_cfg_body): Initialize
5880 ib_boundaries_block to NULL instead of (varray_type) 0.
5882 2006-04-12 Roger Sayle <roger@eyesopen.com>
5884 * expr.c (emit_group_store): Correct operand order in call to
5885 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5886 a SUBREG_BYTE of zero.
5888 2006-04-12 Richard Guenther <rguenther@suse.de>
5890 * profile.c (compute_branch_probabilities): Remove code
5891 encapsulated in !ir_type (), which are remanents of the
5892 removed RTL profiling code.
5893 * rtl-profile.c: Remove.
5895 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5897 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5898 magic NULL_RTX comment.
5899 (function_arg): Store entire fp arg to mem if any part should go
5901 (rs6000_arg_partial_bytes): Adjust for above change.
5903 2006-04-11 Roger Sayle <roger@eyesopen.com>
5905 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5906 if it hasn't been initialized by dwarf2out_init.
5908 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5910 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5911 symbolic constants in branch patterns.
5913 2006-04-11 Roger Sayle <roger@eyesopen.com>
5915 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5917 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5919 PR rtl-optimization/27073
5920 * gcse.c (try_replace_reg): Revert last change. Continue to search
5921 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5924 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5926 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5927 aggregate types other than record and union types.
5928 (function_arg): Likewise.
5929 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5931 (function_value): In 64-bit mode, return objects that require it
5934 2006-04-11 Roger Sayle <roger@eyesopen.com>
5936 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5938 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5940 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5942 2006-04-03 Jeff Law <law@redhat.com>
5945 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5946 alias information too.
5948 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5950 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5952 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5955 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5956 (premark_used_types_helper): New.
5957 (premark_used_types): New.
5958 (gen_subprogram_die): Call premark_used_types.
5959 (prune_unused_types_walk): Do not prune perennial dies.
5960 * function.c (used_types_insert): New.
5961 * function.h (struct function): Add used_types_hash field.
5962 (used_types_insert): Add prototype.
5963 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5964 * c-parser.c (c_parser_cast_expression): Save casted types in used
5967 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5970 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5971 rs6000_explicit_options.float_gprs.
5973 2006-04-10 Roger Sayle <roger@eyesopen.com>
5975 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5976 from ix86_expand_vector_init_low_nonzero. Take an additional
5977 one_var argument indicating which element is non-zero. Support
5978 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5979 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5980 with one_var instead of ix86_expand_vector_init_low_nonzero.
5982 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5984 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5985 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5986 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5987 build/genextract.o): Depend on vecprim.h.
5988 * cfglayout.c, df-problems.c, function.c, genextract.c,
5989 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5990 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5994 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5996 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5997 Declare VECs of this type.
5998 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5999 (remove_children): Delete.
6000 (add_dwarf_attr): Use VEC routines.
6001 (add_AT_flag): Update for changes to add_dwarf_attr.
6002 (add_AT_int): Likewise.
6003 (add_AT_unsigned): Likewise.
6004 (add_AT_long_long): Likewise.
6005 (add_AT_vec): Likewise.
6006 (add_AT_string): Likewise.
6007 (add_AT_die_ref): Likewise.
6008 (add_AT_fde_ref): Likewise.
6009 (add_AT_loc): Likewise.
6010 (add_AT_loc_list): Likewise.
6011 (add_AT_addr): Likewise.
6012 (add_AT_lbl_id): Likewise.
6013 (add_AT_lineptr): Likewise.
6014 (add_AT_macptr): Likewise.
6015 (add_AT_offset): Likewise.
6016 (add_AT_range_list): Likewise.
6017 (get_AT): Use VEC_iterate.
6018 (remove_AT): Use VEC_ordered_remove.
6019 (free_die): Fold remove_children into here; have it use VEC_iterate.
6020 (print_die): Use VEC_iterate on attrs.
6021 (reverse_die_lists): Don't reverse attr lists.
6022 (die_checksum): Use VEC_iterate on attrs.
6023 (same_die_p): Likewise.
6024 (output_location_lists): Likewise.
6025 (build_abbrev_table): Likewise.
6026 (size_of_die): Likewise.
6027 (unmark_all_dies): Likewise.
6028 (output_abbrev_section): Likewise.
6029 (output_die): Likewise.
6030 (prune_unused_types_walk_attribs): Likewise.
6032 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6034 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6036 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6039 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6041 2006-04-09 Roger Sayle <roger@eyesopen.com>
6043 * expr.c (store_constructor): Don't bother clearing target if
6044 we're about to assign a vector to it using vec_init_optab.
6046 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6048 * tree-ssa-alias.c (lhs_may_store_to): New function.
6049 (recalculate_used_alone): Handle LHS of calls.
6051 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6055 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6056 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6057 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6058 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6059 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6060 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6061 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6062 stubs. Add ".align 8" directives before all ".dword" directives.
6063 (GTHREAD_USE_WEAK): Revise comment.
6064 (TARGET_ATTRIBUTE_WEAK): Define.
6065 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6066 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6067 * stublib.c: New file.
6072 * pa.md (cbranch patterns): Revise arguments used in calls to
6073 output_cbranch, output_bb and output_bvd. Add long branch length
6075 (fbranch patterns): Handle long branches.
6076 (jump): Revise length check. Revise arguments for output_lbranch call.
6077 Add long branch length attributes.
6078 (decrement_and_branch_until_zero): Add long branch length attributes.
6079 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6080 Likewise. Revise arguments for output_parallel_addb and
6081 output_parallel_movb calls.
6082 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6083 output_parallel_movb and output_parallel_addb): Update prototypes.
6084 * pa.c (output_cbranch): Revise arguments. Correct handling of
6085 nullification in long branches.
6086 (output_lbranch): Add new argument to control extraction of delay
6088 (output_bb): Handle long branches.
6089 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6090 output_parallel_addb): Likewise.
6092 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6094 PR rtl-optimization/27073
6095 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6098 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6100 * tree.h (tree_memory_tag): Add old_used_alone.
6101 (SMT_OLD_USED_ALONE): New macro.
6102 * tree-ssa-alias.c (recalculate_used_alone): Stop
6103 marking things for renaming unnecessarily.
6105 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6107 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6108 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6109 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6110 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6111 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6112 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6113 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6114 spelling convensions.
6115 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6116 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6117 typos. Follow spelling conventions.
6119 2006-04-07 DJ Delorie <dj@redhat.com>
6121 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6122 passed on the stack.
6123 (m32c_init_cumulative_args): When a function returns a structure,
6124 always pass the pointer to that return area on the stack.
6125 (m32c_function_arg_advance): Don't increment the parameter number
6126 if we're processing the returned structure pointer.
6127 (pushm_info): Reverse order of registers.
6129 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6131 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6132 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6133 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6134 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6136 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6137 chrec_fold_multiply): Same.
6138 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6139 force_expr_to_var_cost): Same.
6140 * tree-mudflap.c (mf_xform_derefs_1): Same.
6141 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6143 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6145 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6146 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6149 2006-04-07 Jan Hubicka <jh@suse.cz>
6151 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6153 2006-04-07 Richard Guenther <rguenther@suse.de>
6155 PR tree-optimization/26135
6156 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6157 loads for store copy-prop.
6158 (copy_prop_visit_stmt): Likewise.
6160 2006-04-05 Robert Millan <robertmh@gnu.org>
6162 * config/i386/linux.h: Add a comment to mark macros that are
6163 being overriden in config/k*bsd-gnu.h.
6164 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6166 * config/knetbsd-gnu.h: Ditto.
6168 2006-04-06 Jan Hubicka <jh@suse.cz>
6172 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6175 2006-04-06 Mike Stump <mrs@apple.com>
6177 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6178 for HAVE_nonlocal_goto to be consistent.
6179 (expand_builtin_nonlocal_goto): Likewise.
6180 (expand_builtin_strcmp): Use #ifdef instead of #if
6181 for HAVE_cmpstrnsi to be consistent.
6183 2006-04-05 DJ Delorie <dj@redhat.com>
6185 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6188 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6190 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6191 got-relative addressing for anything but SImode.
6193 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6194 even if the calling function doesn't modify them.
6196 2006-04-05 Richard Guenther <rguenther@suse.de>
6198 PR tree-optimization/26919
6199 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6200 to cgraph_estimate_size_after_inlining.
6202 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6204 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6206 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6208 PR tree-optimization/26996
6209 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6210 VECTOR_TYPE variables.
6212 2006-04-05 Richard Guenther <rguenther@suse.de>
6214 PR tree-optimization/26763
6215 * fold-const.c (fold_comparison): Move folding of
6216 PTR + CST CMP PTR + CST ...
6217 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6219 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6221 * doc/install.texi (Prerequisites): Refine some wording on
6222 bootstrapping and ksh.
6223 Move the version numbers of DejaGnu here from the testing section
6224 and fix casing of names.
6225 Fix markup and clarify wording for autogen requirements.
6226 Refer to GCJ instead of just java.
6227 Refer to SVN instead of CVS.
6228 Describe diffutils as useful instead of necessary.
6229 (Downloading the source): Refer to SVN instead of CVS.
6230 Adjust a link to our web site accordingly.
6231 (Configuration): Fix casing of Bison.
6232 (Building): Refer to SVN instead of CVS.
6233 Fix a sentence on the use of Bison and remove duplicate (and
6234 incorrect) version number of Bison requirement.
6235 Remove one redundant list of packages needed for building.
6236 (Specific): Avoid reference to CVS.
6238 2006-04-04 Eric Christopher <echristo@apple.com>
6240 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6241 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6242 (rs6000_handle_struct_attribute): New.
6243 (rs6000_ms_bitfield_layout_p): Ditto.
6245 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6247 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6248 NULL for dso parameter to atexit_common.
6250 2006-04-04 Eric Christopher <echristo@apple.com>
6252 * config/i386/i386.c (machopic_output_stub): Output \t
6253 between instructions and operands.
6255 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6257 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6258 satisfies_constraint_[IL] to explicit tests on value.
6260 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6262 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6263 set_nb_iterations_in_loop): Use build_int_cst instead of
6265 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6266 build_int_cst instead of convert.
6268 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6270 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6271 new value 2 for incoming.
6272 * function.c (expand_function_start): Call struct_value_rtx
6274 * config/sparc/sparc.md: Comment updated_return.
6275 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6276 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6277 struct return if sparc_std_struct_return and incoming is 2.
6278 (print_operand): Do not adjust return if
6279 sparc_std_struct_return.
6281 2006-04-04 Roger Sayle <roger@eyesopen.com>
6283 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6284 convert in the middle-end.
6285 * expr.c (store_expr, store_constructor, get_inner_reference,
6286 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6288 * tree.c (build_range_type): Likewise.
6290 2006-04-04 Tom Tromey <tromey@redhat.com>
6292 * doc/install.texi (Prerequisites): Mention jar.
6294 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6296 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6299 2006-04-04 Matthias Klose <doko@debian.org>
6301 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6302 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6305 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6307 * doc/extend.texi (Function Attributes): Rewrite visibility
6308 attribute documentation.
6309 * doc/invoke.texi (C++ Dialect Options): Rewrite
6310 -fvisibility-inlines-hidden documentation to describe something
6311 entirely different, although in practise compatible.
6312 (Code Gen Options): Warn about system headers in -fvisibility=
6315 * doc/extend.texi (Other Builtins): Document that
6316 __builtin_nan is a compile-time constant only when its argument
6319 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6321 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6322 trying to remove TRUNCATE check if all bits outside the new mode
6323 are identical to the sign bit.
6325 2006-04-03 Jeff Law <law@redhat.com>
6327 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6328 and operand scanning in some common cases.
6330 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6331 Dale Johannesen <dalej@apple.com>
6334 * regclass.c (struct reg_pref): Update documentation.
6335 (regclass): Set prefclass to NO_REGS if memory is the best option.
6336 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6337 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6338 into account. For non-registers, equate an empty preferred
6339 reload class to a `!' in the constraint; move the if clause to
6340 do so after those that reject the insn.
6341 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6343 (find_dummy_reload): Likewise.
6344 * doc/tm.texi (Register Classes): Document what it means
6345 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6346 * config/i386/i386.c (ix86_preferred_reload_class): Force
6347 using SSE registers (and return NO_REGS for floating-point
6348 constants) if math is done with SSE.
6349 (ix86_preferred_output_reload_class): New.
6350 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6351 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6352 * config/i386/i386.md: Remove # register preferences.
6354 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6357 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6358 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6359 the type of nb_iter.
6360 (instantiate_parameters_1): Convert the operands before calling
6361 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6362 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6364 2006-04-02 Roger Sayle <roger@eyesopen.com>
6366 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6367 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6369 * dojump.c (do_jump): Likewise.
6370 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6371 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6372 gimplify_boolean_expr): Likewise.
6373 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6374 * varasm.c (array_size_for_constructor): Likewise.
6375 * tree-object-size.c (compute_object_offset): Likewise.
6377 2006-04-02 Roger Sayle <roger@eyesopen.com>
6380 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6381 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6383 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6385 PR tree-optimization/26939
6386 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6388 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6390 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6391 at_stmt. Convert the type of operands before calling
6392 build_polynomial_chrec.
6393 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6395 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6396 (instantiate_parameters_1): Convert the type of operands before calling
6397 build_polynomial_chrec.
6398 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6399 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6400 reset_evolution_in_loop): Insert asserts to check the types of the
6402 (chrec_type): Moved...
6403 (eq_evolutions_p): Use operand_equal_p.
6404 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6405 the types of the operands.
6406 (chrec_type): ...here.
6407 * tree-data-ref.c (create_data_ref): Convert the operands before
6408 calling chrec_replace_initial_condition.
6409 (same_access_functions, analyze_subscript_affine_affine,
6410 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6411 (compute_subscript_distance, analyze_ziv_subscript,
6412 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6413 analyze_miv_subscript): Convert the operands before calling
6414 chrec_fold_minus or chrec_fold_plus.
6416 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6418 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6419 the dependence_relations vector.
6420 (compute_data_dependences_for_loop): Adjust call to
6421 compute_all_dependences.
6423 2006-04-01 Roger Sayle <roger@eyesopen.com>
6424 Richard Henderson <rth@redhat.com>
6426 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6427 gimple_boolify on the condition before calling gimplify_expr.
6429 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6431 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6432 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6433 the frame size. Update to use the new macros.
6434 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6435 * config/xtensa/ieee754-df.S: Likewise.
6437 2006-03-31 Richard Henderson <rth@redhat.com>
6439 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6440 (make_edges): ... here. Control fallthru creation with a local
6441 variable. Do not play with fake edges.
6442 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6443 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6446 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6448 * dwarf2.h (DW64_CIE_ID): Define.
6449 * dwarf2out.c (DWARF_CIE_ID): Define.
6450 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6451 length header. Use DWARF_CIE_ID.
6452 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6453 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6455 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6457 * config/sh/linux-atomic.asm: New file.
6458 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6460 2006-03-31 DJ Delorie <dj@redhat.com>
6462 * config/m32c/cond.md: Set condition flags properly throughout.
6463 * config/m32c/minmax.md: Likewise.
6464 * config/m32c/prologue.md: Likewise.
6465 * config/m32c/bitops.md: Likewise.
6466 * config/m32c/muldiv.md: Likewise.
6467 * config/m32c/mov.md: Likewise.
6468 * config/m32c/addsub.md: Likewise.
6469 * config/m32c/m32c.md: Likewise.
6470 * config/m32c/jump.md: Likewise.
6471 * config/m32c/shift.md: Likewise.
6473 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6474 conditionally output the pattern for this.
6475 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6476 (m32c_compare_redundant): New.
6477 (m32c_output_compare): New.
6478 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6480 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6481 dest, not src. Allow other 4-byte modes.
6483 2006-03-30 Denis Chertykov <denisc@overta.ru>
6485 * doc/md.texi: Refer to avr/constraints.md instead of
6488 2006-03-30 Roger Sayle <roger@eyesopen.com>
6490 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6491 signed vs. unsigned comparison failures on some hosts.
6493 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6496 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6497 change to FLOAT_REGS.
6499 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6500 (rs6000_override_options): Use it.
6501 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6502 only for -mabi=spe/no-spe and -mabi=altivec.
6504 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6506 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6509 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6511 * Makefile.in: Rename docdir to gcc_docdir.
6513 2006-03-30 Roger Sayle <roger@eyesopen.com>
6516 * expr.c (emit_group_store): Optimize group stores into a pseudo
6517 register by using a paradoxical subreg to initialize the destination
6518 if the first or last member of the group specifies a "low part".
6520 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6523 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6524 * target.h (struct gcc_target.speculate_insn): Change type of the
6525 second parameter to 'int'.
6526 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6527 the second operand of the DEPS_LIST.
6528 (copy_DEPS_LIST_list): Update reference to the second operand of the
6530 * rtl.h (alloc_DEPS_LIST): Update signature.
6531 * sched-int.h (ds_t): Change typedef to 'int'.
6532 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6534 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6536 * haifa-sched.c (try_ready): Change condition to restore
6537 non-speculative pattern of the instruction.
6538 (process_insn_depend_be_in_spec): Code to keep probability of the
6539 speculative dependence non-decreasing.
6541 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6543 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6544 (single_move_for_movmem): ... this. Also change all uses.
6545 (bfin_expand_strmov): Renamed to...
6546 (bfin_expand_movmem): ... this. Also change all uses.
6547 * config/bfin/bfin.md (movstrsi): Renamed to...
6548 (movstrsi): ...this.
6550 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6552 PR tree-optimization/26830
6554 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6555 (copy_prop_visit_stmt): Remove write-only variable ann.
6556 (init_copy_prop): Check variable loop depth here. Do not simulate
6557 memory-tag and virtual operand PHIs except for store copy prop.
6559 2006-03-30 Richard Guenther <rguenther@suse.de>
6561 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6562 variants with double arguments.
6564 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6566 * genpreds.c (write_tm_constrs_h): Delete variable p.
6567 * genconditions.c (write_header): Add tm-constrs.h to included
6569 * genpeep.c (main): Add toplev.h to included headers.
6570 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6571 (build/genpeep.o): Add toplev.h dependency.
6572 * config/rs6000/constraints.md: Add "W" constraint.
6574 2006-03-29 Roger Sayle <roger@eyesopen.com>
6576 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6577 sizes by correctly testing whether the size fits a host integer.
6578 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6579 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6580 SImode range for the default sizetype and bitsizetype.
6582 2006-03-29 Roger Sayle <roger@eyesopen.com>
6584 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6585 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6586 quickly if the argument is already of the correct type.
6587 Call fold_build1 instead of build1. Tidy up blank lines.
6589 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6591 * genemit.c (main): Add tm-constrs.h to included headers.
6592 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6593 * genpeep.c (main): Add tm-constrs.h to included headers.
6594 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6595 (write_tm_constrs_h): this and write complete file.
6596 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6597 (write_insn_preds_c): Add tm-constrs.h to included headers.
6598 (gen_constrs): New variable.
6599 (parse_option): Parse "-c".
6600 (main): Invoke write_tm_constrs_h.
6601 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6602 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6603 (object_out_file): Add tm-constrs.h dependency.
6604 (insn-emit.o): Same.
6605 (insn-output.o): Same.
6606 (insn-peep.o): Same.
6607 (insn-preds.o): Same.
6608 (insn-recog.o): Same.
6609 (tm-constsr.h): New target.
6610 (s-constrs-h): New target.
6612 * config/rs6000/constraints.md: New file.
6613 * config/rs6000/rs6000.c: Include tm-constrs.h.
6614 (num_insn_constant_wide): Convert to satisfies_constraint.
6615 (rs6000_rtx_costs): Convert to satisfies_constraint.
6616 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6617 (CONST_OK_FOR_LETTER_P): Delete.
6618 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6619 (EXTRA_CONSTRAINT): Delete.
6620 (EXTRA_MEMORY_CONSTRAINT): Delete.
6621 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6622 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6623 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6624 satisfies_constraint.
6626 * config/i386/i386.c: Include tm-constrs.h.
6628 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6630 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6631 * tree-data-ref.c (find_data_references_in_loop,
6632 compute_data_dependences_for_loop): Use pointers to VEC.
6633 (analyze_all_data_dependences): Adjust calls.
6634 * tree-data-ref.h (find_data_references_in_loop,
6635 compute_data_dependences_for_loop): Adjust declarations.
6636 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6637 compute_data_dependences_for_loop.
6639 2006-03-29 Paul Brook <paul@codesourcery.com>
6641 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6644 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6646 PR tree-optimization/26859
6647 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6649 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6650 for the step after fold_convert.
6652 2006-03-29 Paul Brook <paul@codesourcery.com>
6654 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6655 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6657 2006-03-29 Paul Brook <paul@codesourcery.com>
6660 * targhooks.c (default_narrow_bitfield): New fuction.
6661 * targhooks.h (default_narrow_bitfield): add prototype.
6662 * target.h (gcc_target): Add narrow_volatile_bitfield.
6663 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6664 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6665 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6666 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6668 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6670 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6672 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6673 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6674 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6675 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6676 (s390_function_arg_float): Allow SDmode and DDmode values to be
6677 passed in floating point registers.
6678 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6679 check with SCALAR_FLOAT_MODE_P.
6680 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6682 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6684 PR tree-optimization/25985
6685 * tree-ssa-loop-niter.c (number_of_iterations_le,
6686 number_of_iterations_ne): Make comments more precise.
6687 (number_of_iterations_cond): Add only_exit argument. Use the
6688 fact that signed variables do not overflow only when only_exit
6690 (loop_only_exit_p): New.
6691 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6692 number_of_iterations_cond.
6694 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6696 PR tree-optimization/26643
6697 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6700 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6702 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6703 (divsi3_i4_int): Likewise.
6705 2006-03-28 Roger Sayle <roger@eyesopen.com>
6707 * expr.c (emit_group_store): Only create a new pseudo reg if the
6708 quantity it needs to hold isn't already a suitable pseudo.
6710 2006-03-28 Jeff Law <law@redhat.com>
6712 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6713 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6715 2006-03-28 Roger Sayle <roger@eyesopen.com>
6717 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6718 the equivalent ~X & Y, and the symmetry related transformations.
6719 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6720 ~X & Y, and symmetry related transforms.
6722 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6724 Revert my 2006-03-27 patches.
6726 2006-03-28 Roger Sayle <roger@eyesopen.com>
6728 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6729 ~(T1)X, when T1 and T2 are integer types of the same precision
6730 and (T2)X isn't an extension.
6732 2006-03-28 Jeff Law <law@redhat.com>
6734 PR tree-optimization/26796
6735 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6736 need EH edge cleanups rather than purging them immediately.
6737 (eliminate_degenerate_phis): Handle queued EH cleanups.
6739 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6741 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6744 2006-03-27 Roger Sayle <roger@eyesopen.com>
6747 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6748 cast BIT_NOT_EXPR operand to the correct type.
6750 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6752 * tree-loop-linear.c: Don't include varray.h.
6753 (gather_interchange_stats, try_interchange_loops,
6754 linear_transform_loops): Use VEC instead of VARRAY.
6755 * lambda-mat.c: Don't include varray.h.
6756 * tree-chrec.c: Same.
6757 * lambda-trans.c: Same.
6758 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6759 VEC instead of VARRAY.
6760 * tree-vectorizer.h: Idem.
6761 * tree-data-ref.c (dump_data_references,
6762 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6763 initialize_data_dependence_relation, finalize_ddr_dependent,
6764 compute_all_dependences, find_data_references_in_loop,
6765 compute_data_dependences_for_loop, analyze_all_data_dependences,
6766 free_dependence_relation, free_dependence_relations,
6767 free_data_refs): Idem.
6768 * tree-data-ref.h (data_reference_p, subscript_p): New.
6769 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6770 VEC instead of VARRAY.
6771 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6772 (find_data_references_in_loop, compute_data_dependences_for_loop,
6773 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6774 dump_data_dependence_relations, free_dependence_relations,
6775 free_data_refs): Adjust declaration.
6776 (lambda_transform_legal_p): Move declaration here...
6777 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6778 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6779 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6780 vect_analyze_data_refs): Use VEC instead of VARRAY.
6781 * lambda.h (lambda_transform_legal_p): ...from here.
6782 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6783 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6784 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6785 tree-chrec.o): Don't depend on VARRAY_H.
6787 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6789 * rtl.def (Copyright): Update date.
6790 (DEPS_LIST): Change type of the second operand to 'int'.
6791 * target.h (Copyright): Update date.
6792 (struct gcc_target.speculate_insn): Change type of the second parameter
6794 * lists.c (Copyright): Update date.
6795 (alloc_DEPS_LIST): Change signature. Update reference to the second
6796 operand of the DEPS_LIST.
6797 (copy_DEPS_LIST_list): Update reference to the second operand of the
6799 * rtl.h (Copyright): Update date.
6800 (alloc_DEPS_LIST): Update signature.
6801 * sched-int.h (Copyright): Update date.
6802 (ds_t): Change typedef to 'int'.
6803 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6805 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6807 * haifa-sched.c (Copyright): Update date.
6808 (try_ready): Change condition to restore non-speculative pattern
6810 (process_insn_depend_be_in_spec): Code to keep probability of the
6811 speculative dependence non-decreasing.
6813 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6815 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6816 shut up the compiler.
6818 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6820 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6821 to use lib prefix for target.
6822 ($(T)libic_invalidate_array_4-200.a): Likewise.
6823 ($(T)libic_invalidate_array_4a.a): Likewise.
6825 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6826 J"orn Rennecke <joern.rennecke@st.com>
6828 * superh.opt: New file.
6829 * sh.c (boardtype, osruntime): Remove.
6830 * superh.h (SUBTARGET_OPTIONS): Remove.
6831 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6833 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6834 arguments with ^ and/or [].
6836 * config.gcc (sh-*-*): Add quoting to account for quirk of
6838 Replace == with = in enable_incomplete_targets test.
6840 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6841 with MASK_LITTLE_ENDIAN.
6843 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6844 * config/sh/sh.opt: Added to some comments.
6845 * config/sh/superh.h: Removed some chaff.
6847 * config/sh/sh.opt: Add m4-[1234]00* options.
6848 * config/sh/sh.c (sh_handle_option): Likewise.
6849 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6850 (ic_invalidate_array_4-100.o): New rule.
6851 ($(T)libic_invalidate_array_4-100.a): Likewise.
6852 (ic_invalidate_array_4-200.o): Likewise.
6853 ($(T)libic_invalidate_array_4-200.a): Likewise.
6854 (ic_invalidate_array_4a.o): Likewise.
6855 ($(T)libic_invalidate_array_4a.a): Likewise.
6856 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6857 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6859 * config/sh/crt1.asm: Merged in profiling code.
6860 * config/sh/superh.h (STARTFILE_SPEC): Override.
6861 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6862 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6863 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6865 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6866 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6867 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6869 * sh.opt (mpretend-cmove): New option.
6870 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6871 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6872 (movsicc): Add TARGET_PRETEND_CMOVE code.
6874 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6876 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6877 s390_class_max_nregs): New function prototypes.
6878 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6879 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6880 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6881 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6883 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6885 * dwarf2out.c (add_location_or_const_value_attribute): Call
6886 tree_add_const_value_attribute if nothing else works.
6887 (reference_to_unused): New.
6888 (rtl_for_decl_init): Use reference_to_unused to decide whether
6889 to output an initializer.
6891 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6894 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6895 peephole removing spe frob_di_df_2.
6897 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6899 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6900 (subscript_dependence_tester_1): Declared.
6901 (print_dir_vectors, print_dist_vectors): New.
6902 (debug_data_dependence_relation): New.
6903 (dump_data_dependence_relation): Print more details.
6904 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6905 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6906 (save_dist_v, save_dir_v, add_outer_distances,
6907 build_classic_dist_vector_1): New.
6908 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6909 Don't test for lambda_vector_lexico_pos.
6910 (same_access_functions, add_multivariate_self_dist,
6911 add_other_self_distances, dir_from_dist): New.
6912 (build_classic_dir_vector): Replace implementation almost identical to
6913 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6915 (subscript_dependence_tester_1): New.
6916 (subscript_dependence_tester): Handle the lexicographically negative
6917 distance vectors by recomputing the dependence relation.
6918 (compute_affine_dependence): Remove parameter loop_nest_depth.
6919 (compute_self_dependence): Don't call compute_subscript_distance.
6920 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6921 Add a parameter for the loop_nest.
6922 (find_loop_nest_1, find_loop_nest): New.
6923 (compute_data_dependences_for_loop): Compute the loop nest, and give
6924 up if the nest is not well formed.
6925 * tree-data-ref.h (loop_p): New.
6926 (struct data_dependence_relation): Replace size_vect field with
6927 loop_nest, a vec of loops.
6928 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6929 (DDR_LOOP_NEST): New.
6930 (print_dir_vectors, print_dist_vectors,
6931 debug_data_dependence_relation): Declared.
6932 (index_in_loop_nest): New.
6933 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6934 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6937 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6939 * simplify-rtx.c (simplify_relational_operation): Call
6940 simplify_relational_operation_1 even if mode is VOIDmode.
6942 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6944 PR tree-optimization/26804
6945 * tree.h (DECL_CALL_CLOBBERED): New macro.
6946 (tree_decl_common): Add call_clobbered_flag.
6947 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6948 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6949 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6950 (mark_non_addressable): Ditto.
6951 * tree-ssa.c (verify_call_clobbered): New function.
6952 (verify_alias_info): Use it.
6953 * tree-pass.h (pass_reset_cc_flags): New prototype.
6954 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6955 (reset_cc_flags): New function.
6956 * passes.c (init_optimization_passes): Call reset_cc_flags after
6957 initializing referenced_vars.
6959 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6960 Roger Sayle <roger@eyesopen.com>
6963 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6964 to 1.0 for non-real operands. Implement A / A optimization for
6967 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6969 * config/i386/i386.c (size_cost): Correct the comment for
6970 cost of storing fp registers.
6971 (i386_cost): Likewise.
6972 (i486_cost): Likewise.
6973 (pentium_cost): Likewise.
6974 (pentiumpro_cost): Likewise.
6975 (k6_cost): Likewise.
6976 (athlon_cost): Likewise.
6977 (k8_cost): Likewise.
6978 (pentium4_cost): Likewise.
6979 (nocona_cost): Likewise.
6980 (generic64_cost): Likewise.
6981 (generic32_cost): Likewise.
6983 2006-03-24 Denis Chertykov <denisc@overta.ru>
6985 * config/avr/avr-protos.h (extra_constraint): Delete.
6986 (extra_constraint_Q): New declaration.
6987 * config/avr/constraints.md: New file.
6988 * config/avr/avr.md: Include it.
6989 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6990 (TMP_REGNO, ZERO_REGNO): Likewise.
6991 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6992 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6993 (extra_constraint): Delete.
6994 (extra_constraint_Q): Test for memory constraint 'Q'.
6995 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6996 (REG_CLASS_FROM_LETTER): Delete.
6997 (CONST_OK_FOR_LETTER_P): Delete.
6998 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6999 (EXTRA_CONSTRAINT): Delete.
7000 (TMP_REGNO): Delete.
7001 (ZERO_REGNO): Delete.
7003 2006-03-24 Jeff Law <law@redhat.com>
7005 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7006 directly. Call mark_new_vars_to_rename slightly earlier.
7008 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7010 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7012 (gen_compile_unit_die): Use new language types for Objective-C and
7014 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7015 DW_LANG_C_plus_plus.
7018 * config/t-darwin (crt3.o): Work around bug 26840.
7019 * config/darwin-crt3.c: Rewrite.
7020 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7022 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7024 * doc/invoke.texi: Document -femit-class-debug-always
7025 * common.opt: Add -femit-class-debug-always.
7027 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7029 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7030 index and base register.
7031 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7032 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7033 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7034 REGNO_OK_FOR_INDEX_P.
7035 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7037 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7038 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7039 REG_OK_FOR_BASE_P): Definitions removed.
7041 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7044 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7045 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7046 set yet or weren't marked as local yet.
7048 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7050 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7053 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7055 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7056 (rs6000_legitimate_small_data_p): Delete.
7057 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7058 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7059 and make static. Add forward declaration. Update uses.
7060 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7061 of offsettable_memref_p.
7062 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7063 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7065 2006-03-24 Jeff Law <law@redhat.com>
7067 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7068 around bug in immediate-use iterator.
7070 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7073 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7074 or __LITTLE_ENDIAN__.
7076 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7078 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7079 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7080 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7081 * config/sh/sh.opt (mdiv=): Amend description.
7082 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7083 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7084 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7085 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7086 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7087 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7088 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7089 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7090 TARGET_DIVIDE_CALL_FP.
7092 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7094 * haifa-sched.c (choose_ready): Fix type of the local variable.
7095 Move local variables. Add comment.
7096 (check_reg_live): Change signature. Make callable from debugger.
7097 * sched-int.h (check_reg_live): Update signature.
7098 * sched-ebb.c (check_reg_live): Update parameters.
7099 * sched-rgn.c (check_reg_live): Ditto.
7100 (region_head_or_leaf_p): Check pointer before dereferencing.
7101 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7102 before reload on optimization levels below 1.
7104 2006-03-23 Richard Henderson <rth@redhat.com>
7106 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7110 * config/alpha/predicates.md (local_symbolic_operand): Reject
7113 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7116 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7117 expressions which have overflowed constants.
7119 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7121 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7123 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7125 * cfgloopmanip.c (create_loop_notes): Removed.
7126 * final.c (final_scan_insn): Do not handle loop notes.
7127 * jump.c (squeeze_notes): Ditto.
7128 * cfglayout.c (skip_insns_after_block,
7129 duplicate_insn_chain): Ditto.
7130 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7132 * cfgloop.h (create_loop_notes): Declaration removed.
7134 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7136 * varasm.c (output_constant_pool): Restore fnname and fndecl
7138 (assemble_start_function): Adjust call accordingly.
7139 (assemble_end_function): Likewise.
7141 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7144 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7147 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7149 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7152 * system.h (ICE_EXIT_CODE): New macro.
7153 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7154 (diagnostic_action_after_output): Likewise.
7155 * gcc.c (fatal_ice): New function.
7156 (execute): Use it instead of fatal.
7157 (fancy_abort): Likewise.
7158 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7160 2006-03-22 Jeff Law <law@redhat.com>
7162 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7163 iv_analyze_result returning false.
7165 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7167 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7169 2006-03-22 Richard Henderson <rth@redhat.com>
7172 * except.c (duplicate_eh_regions_0): New.
7173 (duplicate_eh_region_1): Duplicate the children of the node as
7174 well as the node itself. Link them up properly.
7175 (duplicate_eh_region_2): Merge into ...
7176 (duplicate_eh_regions): ... here. Take copy_region argument, and
7177 copy only a sub-tree if asked. Simplify copying and fixup.
7178 (eh_region_outer_p): New.
7179 * except.h (duplicate_eh_regions): Update decl.
7180 (eh_region_outer_p): Declare.
7181 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7182 (lower_omp_master): Likewise.
7183 (lower_omp_ordered): Likewise.
7184 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7185 (move_stmt_r): Use it to remap labels. Handle recursion vs
7186 remap_decls_p properly.
7187 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7188 (find_outermost_region_in_block): New.
7189 (new_label_mapper): New.
7190 (move_sese_region_to_fn): Copy eh information to the new function
7192 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7194 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7197 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7199 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7200 into shared libraries.
7202 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7204 * doc/md.texi: Refer to i386/constraints.md instead of
7206 * config/i386/constraints.md: New file, extracted from...
7207 * config/i386/predicates.md: ...here.
7208 * config/i386/i386.md: Include constraints.md.
7210 2006-03-21 Jason Merrill <jason@redhat.com>
7212 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7215 * expr.c (init_block_move_fn): Force default visibility.
7216 (init_block_clear_fn): Likewise.
7217 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7218 * targhooks.c (default_external_stack_protect_fail): Likewise.
7220 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7222 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7223 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7224 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7225 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7226 (loadgp): Use mips_current_loadgp_style.
7227 (loadgp_noshared): New pattern.
7228 (sibcall_internal): Use MIPS_CALL.
7229 (sibcall_value_internal): Likewise.
7230 (sibcall_value_multiple_internal): Likewise.
7231 (call_internal): Likewise.
7232 (call_value_internal): Likewise.
7233 (call_value_multiple_internal): Likewise.
7234 (call_split): Use MIPS_CALL and add an 'S' constraint.
7235 (call_value_split): Likewise.
7236 (call_value_multiple_split): Likewise.
7237 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7238 (-mshared): New option.
7239 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7240 (mips_current_loadgp_style): Declare.
7241 * config/mips/mips.c (mips_classify_symbol): Avoid using
7242 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7243 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7244 TARGET_ABSOLUTE_ABICALLS.
7245 (override_options): Adjust comments. Improve the warning that is
7246 issued when -mabicalls and -G are used together.
7247 (mips_file_start): Remove comment.
7248 (mips_current_loadgp_style): New function.
7249 (mips_gnu_local_gp): New variable.
7250 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7252 (mips_output_function_prologue): Use mips_current_laodgp_style.
7253 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7254 the cprestore instruction.
7255 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7256 live for TARGET_ABSOLUTE_ABICALLS.
7257 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7258 (ASM_SPEC): Pass down -mshared and -mno-shared.
7259 (MIPS_CALL): New macro.
7260 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7262 * doc/invoke.texi (-mabicalls): Update documentation.
7263 (-mshared): Document.
7265 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7267 * config/ia64/unwind-hpux.c: New file.
7268 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7270 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7273 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7275 2006-03-21 Jeff Law <law@redhat.com>
7277 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7278 type conversions of a VR_VARYING source to a wider type.
7280 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7282 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7283 tm_file on Solaris 10 and later.
7284 (sparc64-*-solaris2*): Likewise.
7285 (sparc-*-solaris2*): Likewise.
7286 * config/sol26.h: Rename to config/sol2-6.h.
7287 * config/sol2-10.h: New file.
7289 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7292 * tree-ssa-pre.c (create_component_ref_by_pieces):
7295 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7298 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7299 return it immediately.
7301 2006-03-21 Michael Matz <matz@suse.de>
7303 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7305 (remove_arc, add_arc): Update num_out_arcs member.
7306 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7308 (cache_presence): New function.
7309 (compare_states_for_equiv): New function.
7310 (state_is_differed): Don't take number of outargs, adjust callers.
7311 Use new invariant for speeding up.
7312 (init_equiv_class): Create initial classes based on sorted
7314 (partition_equiv_class): Don't track out_arcs_num.
7315 (evaluate_equiv_classes): Call cache_presence on all states and
7318 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7320 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7321 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7322 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7323 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7325 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7326 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7327 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7328 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7329 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7331 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7332 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7333 (REGNO_REG_CLASS): ARGP is in PREGS.
7334 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7336 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7337 to deal with those addresses.
7338 * addresses.h: New file.
7339 * caller-save.c: Include "addresses.h".
7340 (init_caller_save): Use new base_reg_class function.
7341 * rtl-factoring.c: Include "addresses.h".
7342 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7343 * recog.c: Include "addresses.h".
7344 (preprocess_constraints): Use new base_reg_class function.
7345 * regrename.c: Include "addresses.h".
7346 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7347 functions. Keep track of a new var INDEX_CODE to compute valid
7349 (replace_oldest_value_addr): Likewise.
7350 (replace_oldest_value_mem): Use base_reg_class.
7351 * reload.c: Include "addresses.h".
7352 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7353 (find_reloads): Use new base_reg_class function.
7354 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7355 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7356 all callers and prototype changed.
7357 * reload1.c: Include "addresses.h".
7358 (maybe_fix_stack_asms): Use base_reg_class.
7359 * regclass.c: Include "addresses.h".
7360 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7361 (init_reg_autoinc): Use new base_reg_class function.
7362 (record_reg_classes): Likewise.
7363 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7364 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7365 Use new args to compute necessary class.
7367 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7368 regrename.o, rtl-factoring.o): Update dependencies.
7369 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7370 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7371 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7372 REG_OK_FOR_INDEX_P): Delete documentation.
7374 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7376 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7377 from V7 to V9 for Solaris 7 and above.
7379 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7381 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7382 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7383 argument pointers may not alias any other storage.
7384 * common.opt: Define option -fargument-noalias-anything.
7385 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7386 alias semantics is specified by flag_argument_noalias > 2.
7388 2006-03-20 Jeff Law <law@redhat.com>
7390 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7391 (pass_phi_only_cprop): Declare.
7392 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7394 * tree-ssa-dom.c (degenerate_phi_result): New function.
7395 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7396 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7397 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7398 (eliminate_degenerate_phis): Likewise.
7399 (pass_phi_only_cprop): New pass descriptor.
7400 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7401 support code. Callers updated.
7402 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7403 (store_copy_prop): Likewise.
7404 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7406 2006-03-20 Jason Merrill <jason@redhat.com>
7409 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7410 (push_visibility, pop_visibility): Likewise.
7411 * c-pragma.h: Declare them.
7413 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7415 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7417 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7418 parameter and use get_ebb_head_tail.
7419 (sh_md_init_global): Adjust uses of find_regmode_weight.
7421 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7423 * function.h (struct function) <x_tail_recursion_reentry>:
7424 Rename to x_stack_check_probe_note.
7425 (tail_recursion_reentry): Rename to stack_check_probe_note.
7426 * function.c: Replace tail_recursion_reentry with
7427 stack_check_probe_note everywhere.
7428 (expand_function_start): Only emit a note for
7429 stack_check_probe_note with -fstack-protect.
7430 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7432 * emit-rtl.c (remove_unnecessary_notes): Remove.
7433 (pass_remove_unnecessary_notes): Remove.
7434 * rtl.h (remove_unnecessary_notes): Remove prototype.
7435 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7436 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7437 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7439 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7442 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7443 (valid_in_set): Handle ARRAY_REF.
7444 Change "if min_variant or VH" to asserts.
7445 (create_component_ref_by_pieces): Handle ARRAY_REF.
7446 (create_expression_by_pieces): Likewise.
7447 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7449 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7451 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7452 is operand of switch, not str[0].
7454 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7456 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7457 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7459 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7461 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7462 end of insn_extra_address_constraint declaration.
7464 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7466 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7467 (no-sum-in-toc): Same.
7468 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7470 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7471 NO_FP_IN_TOC for -fPIC instead of mask.
7473 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7474 (BOOT_LDFLAGS): Delete.
7476 * config/rs6000/t-aix52: Same.
7478 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7479 (stmsi[345678]_power): New.
7481 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7483 * config/ia64/ia64.opt: Add empty line to end of file.
7485 2006-03-17 Richard Guenther <rguenther@suse.de>
7488 * builtins.c (get_pointer_alignment): For component style references
7489 adjust alignment to the component type alignment. Make sure
7490 to adjust alignment for component access of constants.
7492 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7494 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7497 2006-03-17 Paul Brook <paul@codesourcery.com>
7499 * doc/install.texi: Docuemnt --with-mode.
7500 * config.gcc: Add --with-mode for arm*-*-*.
7501 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7503 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7505 * sh.c (max_labelno_before_reorg): New variable.
7506 (sh_reorg): Initialize it.
7507 (find_barrier): Check max_labelno_before_reorg before using
7508 label_to_alignment. Take length of explicit alignment insns
7509 into account. When seeing a UNSPECV_CONST_END, return it.
7511 * sh.c (fixup_mova): Set mode of affected label to QImode.
7512 (untangle_mova): New function.
7513 (find_barrier): Use it. Check mode of label before decrementing
7515 (sh_reorg): Likewise.
7516 Set mode of all insns back to VOIDmode.
7518 * sh.c (MOVA_LABELREF): New macro.
7519 (mova_p, fixup_mova, sh_reorg): Use it.
7520 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7521 ADDR_DIFF_VEC matches mova.
7523 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7525 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7526 with ATTRIBUTE_UNUSED.
7528 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7530 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7531 pointer, instead of assuming it is possible to derive the
7532 correct args size from a call insn.
7534 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7536 * rtl.h (CONST_INT_P): Define.
7537 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7538 instead of GET_CODE(x) == CONST_INT.
7539 (vax_rtx_costs): Likewise.
7540 (vax_output_int_move): Likewise.
7541 (vax_output_int_add): Likewise.
7542 (legitimate_constant_address_p): Likewise.
7543 (index_term_p): Likewise.
7544 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7545 * config/vax/vax.md (and<mode>3): Likewise.
7546 (ashrsi3): Likewise.
7548 (movstricthi): Likewise.
7549 (movstrictqi): Likewise.
7550 (rotrsi3): Likewise.
7551 (five unnamed insns): Likewise.
7553 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7555 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7556 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7557 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7558 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7559 Pass to ASM_OUTPUT_DWARF_OFFSET.
7560 * dwarf2out.c (debug_frame_section): New.
7561 (output_call_frame_info): Use debug_frame_section. Pass it to
7562 dw2_asm_output_offset.
7563 (output_die): Pass appropriate section to dw2_asm_output_offset.
7564 (output_compilation_unit_header): Likewise.
7565 (output_pubnames): Likewise.
7566 (output_aranges): Likewise.
7567 (enum dw_val_class): Break dw_val_class_lbl_offset into
7568 dw_val_class_lineptr and dw_val_class_macptr.
7569 (add_AT_lbl_offset): Delete.
7570 (add_AT_lineptr): New.
7571 (add_AT_macptr): New.
7572 (AT_lbl): Expect a lineptr or macptr.
7573 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7574 (attr_checksum): Likewise.
7575 (same_dw_val_p): Likewise.
7576 (size_of_die): Likewise.
7577 (value_format): Likewise.
7578 (output_die): Likewise.
7579 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7581 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7582 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7583 * config/darwin-protos.h (darwin_file_start): New.
7584 (darwin_asm_output_dwarf_offset): New.
7585 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7586 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7588 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7589 if not EH section; simplify.
7590 (darwin_file_start): New.
7591 (darwin_asm_output_dwarf_offset): New.
7592 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7594 (DEBUG_INFO_SECTION): Likewise.
7595 (DEBUG_ABBREV_SECTION): Likewise.
7596 (DEBUG_ARANGES_SECTION): Likewise.
7597 (DEBUG_MACINFO_SECTION): Likewise.
7598 (DEBUG_LINE_SECTION): Likewise.
7599 (DEBUG_LOC_SECTION): Likewise.
7600 (DEBUG_PUBNAMES_SECTION): Likewise.
7601 (DEBUG_STR_SECTION): Likewise.
7602 (DEBUG_RANGES_SECTION): Likewise.
7603 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7604 (ASM_OUTPUT_DWARF_OFFSET): New.
7606 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7608 * config.gcc (tm_defines): Always add to previous value rather
7611 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7613 * config/mips/predicates.md (splittable_const_int_operand): New,
7614 split from move_operand.
7615 (splittable_symbolic_operand): New.
7616 (move_operand): Add commentary. Use splittable_const_int_operand.
7617 Inline mips_atomic_symbolic_constant_p.
7618 * config/mips/mips.md: Add combine splitters for handling moves
7619 of splittable_const_int_operands and splittable_symbolic_operands.
7620 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7621 (mips_split_symbol): Declare.
7622 (mips_move_integer): Declare.
7623 * config/mips/mips.c (mips_split_p): Make global.
7624 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7625 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7626 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7627 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7628 (mips_offset_within_object_p): Handle block symbols.
7629 (mips_atomic_symbolic_constant_p): Delete.
7630 (mips_cannot_force_const_mem): Return false for constants that
7631 mips_legitimize_move can handle.
7632 (mips_use_blocks_for_constant_p): New function.
7633 (mips_split_symbol): Make global.
7634 (mips_move_integer): Likewise. Add a temporary register argument.
7635 (mips_legitimize_const_move): Use splittable_const_int_operand and
7636 splittable_symbolic_operand.
7637 (mips_use_anchors_for_symbol_p): New function.
7638 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7639 (mips_split_p): Declare.
7641 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7643 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7644 (mips*-*-linux*): Likewise.
7646 2006-03-16 Roger Sayle <roger@eyesopen.com>
7647 Daniel Speyer <dspeyer@wam.umd.edu>
7650 * tree-dump.c (dump_real): New function.
7651 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7652 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7653 (tree-dump.o): Add $(REAL_H) to the dependencies.
7655 2006-03-16 Roger Sayle <roger@eyesopen.com>
7658 * real.c (real_from_string): If the mantissa is zero, don't bother
7659 parsing the exponent as the result should always be zero.
7661 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7663 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7665 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7667 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7668 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7669 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7670 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7671 ia64_sched_finish_global): New static functions to implement
7672 hooks from gcc_target.sched.
7673 (spec_check_no, max_uid, pending_data_specs): New static variables.
7674 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7675 ia64_spec_check_src_p): New static functions.
7676 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7677 (TARGET_SCHED_ADJUST_COST): Removed.
7678 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7679 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7680 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7681 TARGET_SCHED_GEN_CHECK,
7682 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7683 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7684 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7685 Fixed to handle speculation checks.
7686 (rtx_needs_barrier): Fixed to handle speculative loads and
7688 (ia64_variable_issue): Added code to count speculative loads and their
7690 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7692 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7694 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7696 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7697 (ia64_reorg): Reset stops_p to NULL after it is freed.
7698 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7699 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7700 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7702 (data_speculative, control_speculative, check_load): New attributes.
7703 (mov<mode>_advanced, mov<mode>_speculative,
7704 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7705 zero_extend<mode>di2_speculative,
7706 zero_extend<mode>di2_speculative_advanced): New patterns for
7707 data and control speculative loads.
7708 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7710 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7711 New pattern for data and control speculation checks.
7712 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7713 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7714 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7715 Auxiliary definitions for the patterns.
7716 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7717 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7719 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7721 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7722 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7723 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7724 New resource constraints.
7725 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7727 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7728 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7729 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7730 msched-in-control-spec, msched-ldc, msched-control-ldc,
7731 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7732 msched-prefer-non-control-spec-insns,
7733 msched-count-spec-in-critical-path): New flags to tune speculative
7735 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7736 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7737 msched-in-control-spec, msched-ldc, msched-control-ldc,
7738 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7739 msched-prefer-non-control-spec-insns,
7740 msched-count-spec-in-critical-path): Document new flags.
7742 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7744 * target.h (struct spec_info_def): New opaque declaration.
7745 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7746 speculate_insn, needs_block_p, gen_check,
7747 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7748 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7749 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7750 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7751 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7752 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7754 (TARGET_SCHED): Use new macros.
7755 * rtl.h (copy_DEPS_LIST_list): New prototype.
7756 * sched-int.h (struct sched_info): Change signature of new_ready field,
7757 adjust all initializations. New fields: add_remove_insn,
7758 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7759 region_head_or_leaf_p.
7760 (struct spec_info_def): New structure declaration.
7761 (spec_info_t): New typedef.
7762 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7763 recovery_block, orig_pat.
7764 (glat_start, glat_end): New variables declaraions.
7765 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7767 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7768 DETACH_LIFE_INFO, USE_GLAT.
7769 (enum SPEC_SCHED_FLAGS): New enumeration.
7770 (NOTE_NOTE_BB_P): New macro.
7771 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7772 attach_life_info, debug_spec_status, check_reg_live): New functions.
7773 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7774 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7776 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7777 * ddg.c (get_block_head_tail): Adjust all uses.
7778 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7779 (sms_sched_info): Initialize new fields.
7780 (contributes_to_priority): Removed.
7781 * haifa-sched.c (params.h): New include.
7782 (get_block_head_tail): Adjust all uses.
7783 (ISSUE_POINTS): New macro.
7784 (glat_start, glat_end): New global variables.
7785 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7786 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7787 old_last_basic_block, before_recovery, current_sched_info_var,
7788 rgn_n_insns, luid): New static variables.
7789 (insn_cost1): New function. Move logic from insn_cost to here.
7790 (find_insn_reg_weight1): New function. Move logic from
7791 find_insn_reg_weight to here.
7792 (reemit_notes, move_insn, max_issue): Change signature.
7793 (move_insn1): Removed.
7794 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7795 extend_bb): New static functions to support extension of scheduler's
7797 (generate_recovery_code, process_insn_depend_be_in_spec,
7798 begin_speculative_block, add_to_speculative_block,
7799 init_before_recovery, create_recovery_block, create_check_block_twin,
7800 fix_recovery_deps): New static functions to support
7801 generation of recovery code.
7802 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7803 restore_bb_notes, move_block_after_check, move_succs): New static
7804 functions to support ebb scheduling.
7805 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7806 functions to support handling of register live information.
7807 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7808 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7809 add_jump_dependencies): New static functions.
7810 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7811 consistancy checking.
7812 (debug_spec_status): New function to call from debugger.
7813 (priority): Added code to handle speculation checks.
7814 (rank_for_schedule): Added code to distinguish speculative instructions.
7815 (schedule_insn): Added code to handle speculation checks.
7816 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7817 Fixed to handle ebbs.
7818 (move_insn): Added code to handle ebb scheduling.
7819 (max_issue): Added code to use ISSUE_POINTS of instructions.
7820 (choose_ready): Added code to choose between speculative and
7821 non-speculative instructions.
7822 (schedule_block): Added code to handle ebb scheduling and scheduling of
7823 speculative instructions.
7824 (sched_init): Initialize new variables.
7825 (sched_finish): Free new variables. Print statistics.
7826 (try_ready): Added code to handle speculative instructions.
7827 * lists.c (copy_DEPS_LIST_list): New function.
7828 * sched-deps.c (extend_dependency_caches): New function. Move logic
7829 from create_dependency_caches to here.
7830 (get_dep_weak, ds_merge): Make global.
7831 * genattr.c (main): Code to output prototype for
7832 dfa_clear_single_insn_cache.
7833 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7834 (output_dfa_clean_insn_cache_func): Code to output
7835 dfa_clear_single_insn_cache function.
7836 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7838 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7840 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7841 New static variables.
7842 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7843 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7845 (ebb_sched_info): Initialize new fields.
7846 (get_block_head_tail): Adjust all uses.
7847 (compute_jump_reg_dependencies): Fixed to use glat_start.
7848 (schedule_ebb): Code to remove unreachable last block.
7849 (schedule_ebbs): Added code to update register live information.
7850 * sched-rgn.c (region_sched_info): Initialize new fields.
7851 (get_block_head_tail): Adjust all uses.
7852 (last_was_jump): Removed. Adjust users.
7853 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7854 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7855 Implement new hooks.
7856 (check_dead_notes1): New static function.
7857 (struct region): New fields: dont_calc_deps, has_real_ebb.
7858 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7859 (BB_TO_BLOCK): Fixed to handle EBBs.
7860 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7861 (ebb_head): New static variable.
7862 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7863 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7865 (compute_dom_prob_ps): New assertion.
7866 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7867 global_live_at_start.
7868 (init_ready_list): New assertions.
7869 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7870 (new_ready): Add support for BEGIN_CONTROL speculation.
7871 (schedule_insns): Fixed code that updates register live information
7873 (schedule_region): Fixed to handle EBBs.
7874 (init_regions): Use extend_regions and check_dead_notes1.
7875 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7876 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7877 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7878 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7879 TARGET_SCHED_GEN_CHECK,
7880 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7881 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7882 * doc/invoke.texi (max-sched-insn-conflict-delay,
7883 sched-spec-prob-cutoff): Document.
7885 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7887 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7888 inter_tick, queue_index.
7889 (struct sched_info): Change signature of init_ready_list field.
7890 Adjust all initializations.
7891 (RESOLVED_DEPS): New access macro.
7892 (ready_add): Remove prototype.
7893 (try_ready): Add prototype.
7894 * sched-rgn.c (init_ready_list): Use try_ready.
7895 (schedule_region): Initialize
7896 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7897 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7898 (init_ready_list): Use try_ready.
7899 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7900 * lists.c (remove_list_elem): Remove `static'.
7901 (remove_free_INSN_LIST_elem): New function.
7902 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7903 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7904 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7906 (readyp): New variable.
7907 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7908 change_queue_index, resolve_dep): New static functions.
7909 (try_ready): New function. Adjust callers in sched-rgn.c and
7910 sched-ebb.c to use it instead of ready_add.
7911 (clock_var): Move at the begining of file.
7912 (rank_for_schedule): Fix typo.
7913 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7914 (ready_lastpos): Enforce assertion.
7915 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7917 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7918 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7919 (queue_to_ready): Use free_INSN_LIST_list.
7920 (early_queue_to_ready): Fix typo.
7921 (schedule_block): Init readyp. Move init_ready_list call after the
7922 initialization of clock_var. Fix error in rejecting insn by
7923 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7924 that previously corrected INSN_TICKs. Add code for handling
7926 (set_priorities): Fix typo.
7927 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7928 Clarify comment and code that keeps current_sched_info->next_tail
7931 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7933 * sched-rgn.c (extend_rgns): New static function.
7934 (find_rgns): Use it.
7935 (gather_region_statistics, print_region_statistics): New static
7937 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7938 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7940 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7941 Andrey Belevantsev <abel@ispras.ru>
7943 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7944 * lists.c (unused_deps_list): New variable.
7945 (free_list): Add assertions to verify the proper distinguishing
7946 between INSN_LISTs and DEPS_LISTs.
7947 (find_list_elem, remove_list_elem, remove_list_node): New static
7949 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7950 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7951 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7952 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7954 (free_INSN_LIST_node): Likewise.
7955 * modulo-sched.c (current_sched_info): Initialize flags field.
7956 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7957 * rtl.def (DEPS_LIST): Define.
7958 * rtl.h: Declare new functions from lists.c.
7959 * sched-deps.c (spec_dependency_cache): New static variable.
7960 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7961 (add_dependence): Change return type to void. Move the logic to ...
7962 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7963 (delete_all_dependences): Add comment about forward_dependency_cache.
7964 Handle spec_dependency_cache. Handle DEPS_LISTs.
7965 (fixup_sched_groups): Clarify the change of priority of output
7966 and anti dependencies.
7967 (sched_analyze_2): Adjust add_dependence calls to create data
7968 speculative dependence.
7969 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7970 Adjust all callers. Handle DEPS_LISTS.
7971 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7972 presence of speculation.
7973 (init_dependency_caches, free_dependency_caches):
7974 Handle spec_dependency_cache.
7975 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7976 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7977 New static functions.
7978 (add_or_update_back_dep, add_or_update_back_forw_dep,
7979 add_back_forw_dep, delete_back_forw_dep): New functions.
7980 * sched-int.h (ds_t, dw_t): New typedefs.
7981 (struct sched_info): Add new field flags.
7982 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7983 Prototype new sched-deps.c functions.
7984 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7985 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7986 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7987 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7988 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7989 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7991 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7993 * sched-rgn.c (current_sched_info): Initialize flags field.
7994 (schedule_insns): Initialize current_sched_info before the sched_init
7996 * sched-ebb.c (current_sched_info): Initialize flags field.
7997 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7998 Call add_or_update_back_dep instead of add_dependence.
7999 Create control speculative dependencies.
8000 (schedule_insns): Initialize current_sched_info before the sched_init
8003 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8005 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8007 (sh_fallback_frame_state): Likewise.
8009 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8011 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8012 Do switch on default_use_cxa_atexit.
8013 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8014 * config/darwin-crt3.o: New.
8015 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8016 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8017 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8019 * config/rs6000/t-darwin: Move crt2.o building to here.
8020 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8021 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8024 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8026 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8027 from '! xxx' to '!xxx' for coding-style conformance.
8028 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8029 (EXTRA_CONSTRAINT): Likewise.
8030 * config/vax/vax.md (four unnamed insns): Likewise.
8032 2006-03-15 Paul Brook <paul@codesourcery.com>
8034 * config/arm/arm.c (minipool_pad): New.
8035 (add_minipool_forward_ref): Include pool alignment padding in address
8037 (push_minipool_fix): Set minipool_pad.
8038 (minipool_pad): Ditto.
8040 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8042 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8043 instead of GET_CODE() == MEM and REG_P() instead of
8045 (print_operand_address): Likewise.
8046 (vax_address_cost): Likewise.
8047 (vax_rtx_costs): Likewise.
8048 (vax_notice_update_cc): Likewise.
8049 (vax_output_int_add): Likewise.
8050 (INDEX_REGISTER_P): Likewise.
8051 (BASE_REGISTER_P): Likewise.
8052 (nonindexed_address_p): Likewise.
8053 (vax_mode_dependent_address_p): Likewise.
8054 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8055 (PRINT_OPERAND): Likewise.
8056 * config/vax/vax.md (ashlsi3): Likewise.
8057 (ashlsi3): Likewise.
8058 (some more unnamed insns): Likewise.
8060 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8062 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8063 iterator-style macro.
8064 (mark_control_dependent_edges_necessary): Update the use of
8065 EXECUTE_IF_CONTROL_DEPENDENT.
8067 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8069 * config/sh/predicates.md (cache_address_operand): Special.
8070 (ua_address_operand): Likewise.
8072 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8074 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8076 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8078 2006-03-15 Andreas Schwab <schwab@suse.de>
8080 * gensupport.c (identify_predicable_attribute): Don't free p_false
8081 when it is still in use.
8083 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8085 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8086 the default setting here.
8088 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8090 * tree-pass.h (pass_cfg): Remove.
8091 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8092 * passes.c (pass_cfg): Don't run it.
8094 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8096 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8097 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8099 (stack_regs_mentioned): Update the uses of
8100 stack_regs_mentioned_data. Don't access the array beyond its
8102 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8103 Don't include gt-reg-stack.h.
8105 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8106 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8108 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8111 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8114 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8116 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8118 2006-03-14 Richard Guenther <rguenther@suse.de>
8120 PR tree-optimization/26672
8121 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8124 2006-03-14 Richard Guenther <rguenther@suse.de>
8126 PR tree-optimization/26667
8127 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8128 node for the callees. Always allow inlining if it will shrink
8131 2006-03-14 Richard Guenther <rguenther@suse.de>
8134 * builtins.c (get_pointer_alignment): Prefer alignment
8135 information from decls over that from types.
8137 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8140 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8142 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8144 * config/rs6000/rs6000.opt (mdlmzb): New option.
8145 (msched-prolog, msched-epilog): Use Var not Mask.
8146 * doc/invoke.texi (-mdlmzb): Document.
8147 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8149 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8150 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8152 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8154 PR rtl-optimization/25739
8155 * bt-load.c (augment_live_range): Free tos pointer.
8157 * gensupport.c (identify_predicable_attribute): Free
8159 * gcov.c (create_file_names): Free name pointer.
8161 2006-03-13 Roger Sayle <roger@eyesopen.com>
8164 * stmt.c (emit_case_nodes): Handle the case where the index is a
8165 CONST_INT, where the comparison mode is specified by the index type.
8167 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8169 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8172 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8174 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8175 (*branch_fp_inverted): Likewise.
8177 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8180 * omp-low.c (expand_omp_for_generic): Mark istart0
8181 and iend0 as addressable.
8183 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8185 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8187 2006-03-13 Jeff Law <law@redhat.com>
8189 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8190 virtual operands are interesting.
8191 (vrp_visit_stmt): Corresponding changes.
8193 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8195 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8197 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8198 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8199 * config/bfin/crti.S: Use it instead of __PIC__.
8200 * config/bfin/crtn.S: Likewise.
8202 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8203 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8205 Lose 'G' modifier for call operand.
8206 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8207 recognize 'G' modifier.
8209 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8212 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8213 * stmt.c (expand_case): Likewise.
8215 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8217 PR rtl-optimization/26254
8218 * loop-invariant.c (seq_insns_valid_p): New function.
8219 (move_invariant_reg): Only emit new code if it is valid.
8221 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8223 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8225 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8226 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8227 (commit_one_edge_insertion): Do not look for loop notes.
8229 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8231 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8232 flag_test_coverage out of loop.
8234 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8236 * final.c (shorten_branches): Remove outdated comment, and turn
8237 the if branch that guards it to continue.
8239 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8241 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8242 * cfgloop.h (struct loop): Remove unused fields.
8244 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8246 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8247 (-dL, -fdump-rtl-loop2): Update the dump file names
8249 * doc/invoke.texi: Update dump file names.
8251 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8253 * predict.c (estimate_probability): Remove.
8254 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8255 * basic-block.h (estimate_probability): Remove prototype.
8256 * passes.c (finish_optimization_passes): Dump branch prediction or
8257 profiling heuristics to the .profile tree dump.
8258 (init_optimization_passes): Unqueue pass_branch_prob.
8260 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8262 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8264 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8265 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8267 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8269 * function.h (frame_offset_overflow): Declare.
8270 * function.c (frame_offset_overflow): New function.
8271 (assign_stack_local_1): Call it to detect that the offset overflows.
8272 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8274 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8276 * config/sh/sh.c: Include alloc-pool.h.
8277 (label_ref_list_pool): New alloc pool.
8278 (label_ref_list_t): New type for lists of labels.
8279 (struct pool_node): Make wend a label_ref_list_t.
8280 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8282 (dump_table): Likewise.
8283 (sh_reorg): Set up the alloc pool before using add_constant and
8284 dump_table, and destroy it when finishing.
8286 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8288 * config/mips/mips.c: Remove redundant comment.
8290 2006-03-10 Jason Merrill <jason@redhat.com>
8293 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8294 the target was declared 'register'.
8296 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8298 * genpreds.c (write_insn_constraint_len): Change definition of
8299 insn_constraint_len to return size_t to match the declaration.
8301 2006-03-10 DJ Delorie <dj@redhat.com>
8303 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8305 (m32c_expand_insv): Fix test for an AND mask.
8307 2006-03-10 Richard Guenther <rguenther@suse.de>
8310 * builtins.c (get_pointer_alignment): Handle component
8311 references for field alignment.
8313 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8315 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8316 when building with libgloss.
8317 (sh*elf): Implement --without-fp option.
8318 (sh64-superh-linux*): Don't multilib.
8320 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8322 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8324 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8326 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8327 Set it when one of the replacement functions returned true.
8328 Return TODO_cleanup_cfg if cfgchanged is true.
8329 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8331 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8333 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8334 instead of gen_lowpart.
8336 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8338 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8340 (mips_output_order_conditional_branch): Declare.
8341 * config/mips/mips.h (MIPS_BRANCH): New macro.
8342 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8343 for the comparison. Use gen_condjump.
8344 (mips_output_conditional_branch): Rework interface to take the
8345 asm templates for a direct branch and the inverse of a direct branch.
8346 (mips_output_order_conditional_branch): New function.
8347 (mips_builtin_branch_and_move): New function.
8348 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8349 branch condition. Use gen_single_cc as the condition for
8350 __builtin_mips_upper_* or __builtin_mips_lower_*.
8351 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8352 Use VOIDmode for the branch condition.
8353 * config/mips/predicates.md (order_operator): New predicate.
8354 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8355 (branch_fp): Rename to...
8356 (*branch_fp): ...this. Remove mode from comparison operator.
8357 Use new mips_output_conditional_branch interface.
8358 (branch_fp_inverted): Rename to...
8359 (*branch_fp_inverted): ...this and update as for *branch_fp.
8360 (*branch_zero<mode>): Rename to...
8361 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8362 Use mips_output_order_conditional_branch. Only accept ordered
8364 (*branch_zero<mode>_inverted): Rename to...
8365 (*branch_order<mode>_inverted): ...this and update as for
8366 *branch_order<mode>.
8367 (*branch_equality<mode>): Accept zero as the second operand to
8368 the equality operator. Use the new mips_output_conditional_branch
8370 (*branch_equality<mode>_inverted): Likewise.
8371 (condjump): New expander.
8372 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8374 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8375 (bc1any2t, bc1any2f): Likewise.
8376 (single_cc): New expander.
8377 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8379 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8381 * doc/md.texi: Update documentation of MIPS constraints.
8382 * config/mips/constraints.md: New file.
8383 * config/mips/mips.md: Include it.
8384 * config/mips/mips.c (mips_char_to_class): Delete.
8385 (override_options): Don't initialize mips_char_to_class.
8386 * config/mips/mips.h (mips_char_to_class): Delete.
8387 (REG_CLASS_FROM_LETTER): Delete.
8388 (CONST_OK_FOR_LETTER_P): Delete.
8389 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8390 (EXTRA_CONSTRAINT_Y): Delete.
8391 (EXTRA_CONSTRAINT_STR): Delete.
8392 (CONSTRAINT_LEN): Delete.
8393 (EXTRA_MEMORY_CONSTRAINT): Delete.
8395 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8397 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8398 original fn's eh regions.
8400 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8402 * fold-const.c (build_range_check): Make sure to use a valid type to
8403 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8406 (range_predecessor): New static function.
8407 (range_successor): Likewise.
8408 (merge_ranges): Use them to compute predecessors and successors of
8411 2006-03-09 Roger Sayle <roger@eyesopen.com>
8414 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8415 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8417 2006-03-08 DJ Delorie <dj@redhat.com>
8419 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8420 (addpsi3): Expand to include memory operands. Remove
8421 reload-specific splits.
8422 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8423 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8424 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8425 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8426 (shift1_qi, shift1_hi, insv): New.
8427 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8428 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8429 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8431 * config/m32c/m32c-protos.h: Update as needed.
8432 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8433 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8434 Fail for unrecognized R* constraints.
8435 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8436 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8437 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8439 (m32c_init_libfuncs): New.
8440 (m32c_legitimate_address_p): Add debug wrapper.
8441 (m32c_rtx_costs): New.
8442 (m32c_address_cost): New.
8443 (conversions): Add 'B' prefix.
8444 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8445 operands, or word regnames for QI operands. 'B' prints bit
8447 (m32c_expand_setmemhi): New.
8448 (m32c_expand_movmemhi): New.
8449 (m32c_expand_movstr): New.
8450 (m32c_expand_cmpstr): New.
8451 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8452 (m32c_expand_neg_mulpsi3): Handle non-ints.
8453 (m32c_cmp_flg_0): New.
8454 (m32c_expand_movcc): New.
8455 (m32c_expand_insv): New.
8456 (m32c_scc_pattern): New.
8457 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8458 a0/a1 out of SIregs.
8459 (STORE_FLAG_VALUE): New.
8460 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8463 * config/m32c/mov.md: Make constraints more liberal.
8464 (zero_extendqihi2): Optimize r0/r1 case.
8465 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8466 * config/m32c/predicates.md (m32c_any_operand): New.
8467 (m32c_nonimmediate_operand): New.
8468 (m32c_hl_operand): New.
8469 (m32c_r3_operand): New.
8472 (memsym_operand): New.
8473 (memimmed_operand): New.
8474 (a_qi_operand): New.
8475 (m32c_eqne_operator): New.
8476 (m32c_1bit8_operand): New.
8477 (m32c_1bit16_operand): New.
8478 (m32c_1mask8_operand): New.
8479 (m32c_1mask16_operand): New.
8480 * config/m32c/blkmov.md: New file.
8481 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8483 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8485 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8486 unsigned to fix signed/unsigned comparison issue in
8487 DWARF2_FRAME_REG_OUT.
8488 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8489 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8491 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8492 of ptr into the ENABLE_CHECKING section.
8494 2006-03-08 Jeff Law <law@redhat.com>
8496 * tree-vrp.c (infer_value_range): Only count pointer uses
8497 and dereferences if -fdelete-null-pointer-checks is enabled.
8499 * tree-vrp.c (find_assert_locations): Infer value ranges for
8500 single use pointers, but do not create ASSERT_EXPRs for them.
8501 When a non-null range is inferred for a pointer, backwards
8502 propagate that range to other equivalent pointers through the
8505 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8508 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8509 language hook targets.
8510 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8511 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8512 if language hook targets were missing.
8514 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8516 * tree-ssa-opfinalize.h: Removed.
8517 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8519 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8520 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8521 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8522 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8523 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8524 finalize_ssa_v_must_def_ops): New.
8526 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8528 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8531 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8533 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8535 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8536 addresses with offsets; reorganize.
8538 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8539 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8540 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8542 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8545 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8547 2006-03-08 Ben Elliston <bje@au.ibm.com>
8549 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8551 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8554 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8557 2006-03-07 Richard Guenther <rguenther@suse.de>
8559 PR tree-optimization/26587
8560 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8562 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8564 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8566 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8568 * hooks.c (hook_bool_mode_rtx_true): New function.
8569 * hooks.h (hook_bool_mode_rtx_true): Declare.
8570 * toplev.c (compile_file): Call output_shared_constant_pool.
8571 * varasm.c (shared_constant_pool): New variable.
8572 (assemble_start_function, assemble_end_function): Remove arguments
8573 from call to output_constant_pool.
8574 (create_constant_pool): New function, split out from...
8575 (init_varasm_status): ...here.
8576 (force_const_mem): Choose between the shared and per-function constant
8577 pools. Set current_function_uses_const_pool when reusing old entries
8578 as well as when creating new ones.
8579 (mark_constant): Ignore data argument.
8580 (mark_constants): Remove pool argument.
8581 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8582 to decide whether the function uses a constant pool.
8583 (output_constant_pool_contents): New function, split out from...
8584 (output_constant_pool): ...here.
8585 (output_shared_constant_pool): New function.
8586 (init_varasm_once): Initialize shared_constant_pool.
8587 * output.h (output_constant_pool): Delete.
8588 (output_shared_constant_pool): Declare.
8589 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8590 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8592 2006-03-06 Nick Clifton <nickc@redhat.com>
8594 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8595 flag_strength_reduce.
8597 2006-03-06 Ben Elliston <bje@au.ibm.com>
8599 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8600 x86_64-*-linux* configurations.
8602 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8603 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8605 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8607 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8609 * basic-block.h: Remove the extern for
8610 rediscover_loops_after_threading.
8612 * cfgloop.c (cancel_loop): Make it static.
8613 * cfgloop.h: Remove the prototype for cancel_loop.
8615 * flow.c (recompute_reg_usage): Make it static.
8616 * rtl.h: Remove the prototype for recompute_reg_usage.
8618 * function.c (use_return_register): Make it static.
8619 * function.h: Remove the prototype.
8621 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8623 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8625 * recog.h: Remove the prototype for
8626 validate_change_maybe_volatile.
8628 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8630 * rtlanal.c (replace_reg): Remove.
8631 * rtl.h: Remove the prototype for replace_reg.
8633 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8635 * regclass.c (reg_scan_update): Remove.
8636 (reg_scan_mark_refs): Remove the last argument.
8637 * rtl.h: Remove the prototype for reg_scan_update.
8639 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8641 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8642 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8643 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8644 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8645 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8646 loop-invariant.c, omp-low.c, opts.c, passes.c,
8647 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8648 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8649 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8650 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8651 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8652 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8654 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8656 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8657 * dwarf2out.h: Remove the prototype for
8658 dwarf2out_add_library_unit_info.
8660 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8662 * tree.c (add_var_to_bind_expr): Remove.
8663 * tree.h: Remove the prototype for add_var_to_bind_expr.
8665 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8667 * regclass.c (n_non_fixed_regs): Remove.
8668 (init_reg_sets_1, globalize_reg): Remove all uses of
8670 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8672 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8674 * rtlanal.c (insns_safe_to_move_p): Remove.
8675 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8677 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8679 * expmed.c (expand_mult_add): Remove.
8680 * expr.h: Remove the prototype for expand_mult_add.
8682 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8684 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8685 and REG_SAVED_VAL_EXP constants.
8686 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8687 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8688 Handle regs stored by value.
8689 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8690 (execute_cfa_program): Handle DW_CFA_val_offset,
8691 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8692 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8693 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8694 (uw_install_context_1): Handle target regs stored by value.
8696 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8698 * tree-sra.c (tree_sra): Return todoflags;
8699 (generate_one_element): Set TODO_update_smt_usage if needed.
8700 (pass_sra): Remove TODO_update_smt_usage.
8701 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8703 (tree_ssa_forward_propagate_single_use_vars): Return
8704 TODO_update_smt_usage if we need to update SMT usage.
8705 (pass_forwprop): Remove TODO_update_smt_usage.
8707 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8709 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8710 (correct_use_link): Remove reference to get_stmt_operands.
8711 (update_stmt_operands): Likewise.
8712 (get_modify_expr_operands): New function factored out of
8713 parse_ssa_operands and get_expr_operands.
8714 Try to create V_MUST_DEFs for LHS by default.
8715 (get_expr_operands) <case MODIFY_EXPR>: Call
8716 get_modify_expr_operands.
8717 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8718 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8719 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8720 get_modify_expr_operands.
8722 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8724 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8725 * tree-flow.h: Remove the prototype for
8726 referenced_var_lookup_if_exists.
8728 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8730 PR rtl-optimization/26345
8732 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8734 2006-03-03 Roger Sayle <roger@eyesopen.com>
8736 PR tree-optimization/26524
8737 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8738 fold_convert to create a constant of the appropriate type.
8740 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8742 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8743 SYMBOL_REF_IN_BLOCK_P.
8744 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8745 of SYMBOL_FLAG_IN_BLOCK.
8746 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8747 instead of SYMBOL_REF_IN_BLOCK_P.
8748 * explow.c (use_anchored_address): Likewise.
8749 * rtl.c (rtx_size): Likewise.
8750 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8751 instead of SYMBOL_FLAG_IN_BLOCK.
8752 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8753 SYMBOL_REF_IN_BLOCK_P.
8754 (assemble_variable): Likewise.
8755 (output_constant_def_contents): Likewise.
8756 (output_constant_pool): Likewise.
8757 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8758 instead of SYMBOL_FLAG_IN_BLOCK.
8759 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8760 SYMBOL_REF_IN_BLOCK_P.
8761 (SYMBOL_REF_BLOCK): Likewise.
8762 (SYMBOL_REF_OFFSET): Likewise.
8763 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8764 SYMBOL_REF_IN_BLOCK_P.
8765 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8766 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8767 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8768 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8770 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8772 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8774 2006-03-02 Roger Sayle <roger@eyesopen.com>
8776 * simplify-rtx.c (simplify_unary_operation): When simplifying
8777 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8778 that we perform the right shift in the appropriate mode, and
8779 then extend or truncate the result to requested mode.
8781 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8783 * gengtype.c (main): Handle double_int type.
8784 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8785 * double-int.c: New file.
8786 * double-int.h: New file.
8787 * system.h: Include doubleint.h.
8788 * Makefile.in (SYSTEM_H): Include double-int.h.
8789 (double-int.o): Add.
8791 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8794 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8797 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8799 * tree-vrp.c (remove_range_assertions): Do not update statements
8802 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8804 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8806 * gcse.c (rest_of_handle_gcse): Ditto.
8807 * except.c (gate_handle_eh): Ditto.
8808 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8809 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8811 2006-03-02 Eric Christopher <echristo@apple.com>
8813 * config/i386/i386.c (machopic_output_stub): Add indirection to
8816 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8820 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8822 Sun Niagara specific optimizations.
8823 * config.gcc: Recognize niagara as target.
8824 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8825 (TARGET_CPU_niagara): Define.
8826 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8827 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8828 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8829 (ASM_CPU_SPEC): Likewise.
8830 (PROCESSOR_NIAGARA): New enum entry.
8831 (REGISTER_MOVE_COST): Handle Niagara.
8832 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8833 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8834 (sparc_override_options): Recognize "niagara", set appropriate
8835 default MASK_* values for it, and align functions to 32-bytes
8836 by default just like ULTRASPARC/ULTRASPARC3.
8837 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8838 (sparc64_initialize_trampoline): Likewise.
8839 (sparc_use_sched_lookahead): Use zero for niagara.
8840 (sparc_issue_rate): Use one for niagara.
8841 * config/sparc/niagara.md: New file.
8842 * config/sparc/sparc.md: Include it.
8843 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8844 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8845 when default cpu is niagara.
8846 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8847 (ASM_CPU_SPEC): Likewise.
8848 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8849 when default cpu is niagara.
8850 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8851 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8852 just like v9/ultrasparc/ultrasparc3.
8853 * doc/invoke.texi: Add documentation for "niagara" and improve
8854 existing documentation for ultrasparc variants.
8856 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8858 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8860 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8862 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8863 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8864 and say that only one is needed.
8865 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8866 * target.h (have_switchable_bss_sections): New hook.
8867 * explow.c (use_anchored_address): Check that the symbol is in a block.
8868 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8869 (bss_noswitch_section): New variables.
8870 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8871 (get_noswitch_section): New function.
8872 (get_block_for_section): Allow SECT to be null.
8873 (unlikely_text_section_p): Use SECTION_STYLE.
8874 (bss_initializer_p): New function.
8875 (get_variable_section): Move earlier in file. Take a new argument,
8876 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8877 Return one of the new *_sections in such cases.
8878 (get_block_for_decl): New function, extracting some logic from
8879 use_blocks_for_decl_p.
8880 (change_symbol_section): Remove in favor of...
8881 (change_symbol_block): ...this new function.
8882 (use_blocks_for_decl_p): Remove checks now performed by
8884 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8885 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8886 (emit_local, emit_bss, emit_common): ...these new functions.
8887 Return true if the alignment was honored.
8888 (emit_tls_common): New function.
8889 (asm_emit_uninitialised): Delete.
8890 (assemble_variable_noswitch): New function, split out from...
8891 (assemble_variable): ...here. Don't make decisions about common
8892 variables here. Globalize all public decls that go into non-common
8893 sections. Check whether SYMBOL_REF_BLOCK is null.
8894 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8895 (output_constant_pool): Likewise.
8896 (init_varasm_once): Initialize the new section variables.
8897 (have_global_bss_p): New function.
8898 (categorize_decl_for_section): Use bss_initializer_p.
8899 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8900 (place_block_symbol): Assert that the symbol must be in a block.
8901 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8902 (TARGET_INITIALIZER): Include it.
8903 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8904 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8905 (SECTION_MACH_DEP): Bump by two.
8906 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8907 (unnamed_section): Mention SECTION_UNNAMED in comment.
8908 (named_section): Likewise SECTION_NAMED.
8909 (noswitch_section_callback): New type.
8910 (noswitch_section): New structure.
8911 (section): Add a noswitch_section alternative.
8912 (SECTION_STYLE): New macro.
8913 (tls_comm_section, comm_section, lcomm_section): Declare.
8914 (bss_noswitch_section, have_global_bss_p): Declare.
8915 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8916 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8918 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8919 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8922 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8924 * tree-vrp.c (execute_vrp): Return value.
8925 * regrename.c (rest_of_handle_regrename): Ditto.
8926 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8927 * tree-complex.c (tree_lower_complex): Ditto.
8928 (tree_lower_complex_O0): Ditto.
8929 * tracer.c (rest_of_handle_tracer): Ditto.
8930 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8931 * postreload.c (rest_of_handle_postreload): Ditto.
8932 * tree-tailcall.c (execute_tail_recursion): Ditto.
8933 (execute_tail_calls): Ditto.
8934 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8935 * tree.h (init_function_for_compilation): Ditto.
8936 * ipa-cp.c (ipcp_driver): Ditto.
8937 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8938 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8939 * final.c (compute_alignments): Ditto.
8940 (rest_of_handle_final): Ditto.
8941 (rest_of_handle_shorten_branches): Ditto.
8942 (rest_of_clean_state): Ditto.
8943 * omp-low.c (execute_expand_omp): Ditto.
8944 (execute_lower_omp): Ditto.
8945 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8946 * ipa-reference.c (static_execute): Ditto.
8947 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8948 * reorg.c (rest_of_handle_delay_slots): Ditto.
8949 (rest_of_handle_machine_reorg): Ditto.
8950 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8951 * flow.c (recompute_reg_usage): Ditto.
8952 (rest_of_handle_remove_death_notes): Ditto.
8953 (rest_of_handle_life): Ditto.
8954 (rest_of_handle_flow2): Ditto.
8955 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8956 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8957 (do_ssa_store_ccp): Ditto.
8958 (execute_fold_all_builtins): Ditto.
8959 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8960 * modulo-sched.c (rest_of_handle_sms): Ditto.
8961 * ipa-pure-const.c (static_execute): Ditto.
8962 * cse.c (rest_of_handle_cse): Ditto.
8963 (rest_of_handle_cse2): Ditto.
8964 * web.c (rest_of_handle_web): Ditto.
8965 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8966 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8967 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8968 * tree-nrv.c (tree_nrv): Ditto.
8969 (execute_return_slot_opt): Ditto.
8970 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8971 (create_structure_vars): Ditto.
8972 * loop-init.c (rtl_loop_init): Ditto.
8973 (rtl_loop_done): Ditto.
8974 (rtl_move_loop_invariants): Ditto.
8975 (rtl_unswitch): Ditto.
8976 (rtl_unroll_and_peel_loops): Ditto.
8977 (rtl_doloop): Ditto.
8978 * gimple-low.c (lower_function_body): Ditto.
8979 (mark_used_blocks): Ditto.
8980 * tree-ssa-sink.c (execute_sink_code): Ditto.
8981 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8982 (cgraph_early_inlining): Ditto.
8983 * global.c (rest_of_handle_global_alloc): Ditto.
8984 * jump.c (cleanup_barriers): Ditto.
8985 (purge_line_number_notes): Ditto.
8986 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8987 (rest_of_handle_if_after_reload): Ditto.
8988 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8989 (tree_ssa_loop_im): Ditto.
8990 (tree_ssa_loop_unswitch): Ditto.
8991 (tree_vectorize): Ditto.
8992 (tree_linear_transform): Ditto.
8993 (tree_ssa_loop_ivcanon): Ditto.
8994 (tree_ssa_empty_loop): Ditto.
8995 (tree_ssa_loop_bounds): Ditto.
8996 (tree_complete_unroll): Ditto.
8997 (tree_ssa_loop_prefetch): Ditto.
8998 (tree_ssa_loop_ivopts): Ditto.
8999 (tree_ssa_loop_done): Ditto.
9000 * predict.c (tree_estimate_probability): Ditto.
9001 * recog.c (split_all_insns_noflow): Ditto.
9002 (rest_of_handle_peephole2): Ditto.
9003 (rest_of_handle_split_all_insns): Ditto.
9004 * tree-eh.c (lower_eh_constructs): Ditto.
9005 * regmove.c (rest_of_handle_regmove): Ditto.
9006 (rest_of_handle_stack_adjustments): Ditto.
9007 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9008 * function.c (instantiate_virtual_regs): Ditto.
9009 (init_function_for_compilation): Ditto.
9010 (rest_of_handle_check_leaf_regs): Ditto.
9011 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9012 (rest_of_handle_gcse): Ditto.
9013 * ipa-type-escape.c (type_escape_execute): Ditto.
9014 * alias.c (rest_of_handle_cfg): Ditto.
9015 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9016 * profile.c (rest_of_handle_branch_prob): Ditto.
9017 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9018 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9019 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9020 * tree-dfa.c (find_referenced_vars): Ditto.
9021 * except.c (set_nothrow_function_flags): Ditto.
9022 (convert_to_eh_region_ranges): Ditto.
9023 (rest_of_handle_eh): Ditto.
9024 * emit-rtl.c (unshare_all_rtl): Ditto.
9025 (remove_unnecessary_notes): Ditto.
9026 * except.h (set_nothrow_function_flags): Ditto.
9027 (convert_to_eh_region_ranges): Ditto.
9028 * cfgexpand.c (tree_expand_cfg): Ditto.
9029 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9030 * tree-ssa-pre.c (do_pre): Ditto.
9031 (execute_fre): Ditto.
9032 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9033 (rest_of_handle_jump2): Ditto.
9034 * tree-sra.c (tree_sra): Ditto.
9035 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9036 (execute_mudflap_function_decls): Ditto.
9037 * tree-ssa-copy.c (do_copy_prop): Ditto.
9038 (do_store_copy_prop): Ditto.
9039 * ipa-prop.h (ipcp_driver): Ditto.
9040 * cfglayout.c (insn_locators_initialize): Ditto.
9041 * tree-ssa-forwprop.c
9042 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9043 * cfglayout.h (insn_locators_initialize): Ditto.
9044 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9045 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9046 (execute_late_warn_uninitialized): Ditto.
9047 * rtl.h (cleanup_barriers): Ditto.
9048 (split_all_insns_noflow): Ditto.
9049 (purge_line_number_notes): Ditto.
9050 (unshare_all_rtl): Ditto.
9051 (remove_unnecessary_notes): Ditto.
9052 (recompute_reg_usage): Ditto.
9053 (variable_tracking_main): Ditto.
9054 * integrate.c (emit_initial_value_sets): Ditto.
9055 * integrate.h (emit_initial_value_sets): Ditto.
9056 * tree-optimize.c (execute_free_datastructures): Ditto
9057 (execute_free_cfg_annotations): Ditto.
9058 (execute_fixup_cfg): Ditto.
9059 (execute_cleanup_cfg_pre_ipa): Ditto.
9060 (execute_cleanup_cfg_post_optimizing): Ditto.
9061 (execute_init_datastructures): Ditto.
9062 * tree-object-size.c (compute_object_sizes): Ditto.
9063 * combine.c (rest_of_handle_combine): Ditto.
9064 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9065 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9066 (rest_of_handle_reorder_blocks): Ditto.
9067 (rest_of_handle_partition_blocks): Ditto.
9068 * var-tracking.c (variable_tracking_main): Ditto.
9069 * tree-profile.c (tree_profiling): Ditto.
9070 * tree-vect-generic.c (expand_vector_operations): Ditto.
9071 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9072 * sched-rgn.c (rest_of_handle_sched): Ditto.
9073 (rest_of_handle_sched2): Ditto.
9074 * basic-block.h (free_bb_insn): Ditto.
9075 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9076 * tree-cfg.c (execute_build_cfg): Ditto.
9077 (remove_useless_stmts): Ditto.
9078 (split_critical_edges): Ditto.
9079 (execute_warn_function_return): Ditto.
9080 (execute_warn_function_noreturn): Ditto.
9081 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9082 * cfgrtl.c (free_bb_for_insn): Ditto.
9083 * passes.c (execute_one_pass): Run additional
9084 todos returned by execute function.
9085 * tree-pass.h (struct tree_opt_pass): Make execute
9088 2006-03-02 Richard Guenther <rguenther@suse.de>
9090 * tree-ssa-alias.c (find_used_portions): Consider taking
9091 the address as making the variable not write-only.
9093 2006-03-02 Nick Clifton <nickc@redhat.com>
9095 * config.gcc (default_use_cxa_atexit): Extend the description of
9096 this configure variable. Set its default value to "yes" for
9097 Linux, NetBSD and ELF targets on the assumption that they will
9098 use C libraries with the __cxa_atexit function.
9100 2006-03-02 Ben Elliston <bje@au.ibm.com>
9102 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9103 parameter as unused to suppress a build warning.
9105 2006-03-02 Ben Elliston <bje@au.ibm.com>
9107 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9110 2006-03-01 Roger Sayle <roger@eyesopen.com>
9113 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9114 declared name, the weak reference name, and the typeof name.
9115 (__gthrw): Avoid expanding the declared name suffix.
9116 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9118 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9120 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9122 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9123 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9124 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9125 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9126 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9127 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9128 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9129 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9130 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9131 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9132 (DW_END_default, DW_END_big, DW_END_little): New.
9133 (DW_END_lo_user, DW_END_hi_user): Define.
9134 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9135 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9136 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9139 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9141 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9143 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9145 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9147 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9149 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9150 to 'symbol_mem_tag'.
9152 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9155 2006-03-01 Roger Sayle <roger@eyesopen.com>
9157 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9159 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9162 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9163 MACHO_DYNAMIC_NO_PIC_P.
9164 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9166 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9169 * config/darwin-protos.h (darwin_asm_output_anchor):
9171 * config/darwin-sections.def (cstring_section):
9172 Add SECTION_MERGE to the flags.
9173 (literal4_section): Likewise.
9174 (literal8_section): Likewise.
9175 (objc_selector_refs_section): Likewise.
9176 (objc_cls_refs_section): Likewise.
9177 * config/darwin.c (darwin_asm_output_anchor): New
9179 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9181 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9183 Fix PR tree-optimization/26443
9184 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9185 to todo and PROP_tmt_usage to properties_destroyed.
9186 * tree-ssa-ccp.c (pass_ccp): Ditto.
9187 (pass_store_ccp): Ditto.
9188 * tree-ssa-dom.c (pass_dominator): Ditto.
9190 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9192 * tree-ssa-operands.c: Cleanup whitespace.
9193 (get_asm_expr_operands): Move before first invocation.
9194 (get_indirect_ref_operands): Likewise.
9195 (get_tmr_operands): Likewise.
9196 (get_call_expr_operands): Likewise.
9197 (append_def): Likewise.
9198 (append_use): Likewise.
9199 (append_v_may_def): Likewise.
9200 (append_v_must_def): Likewise.
9201 (add_call_clobber_ops): Likewise.
9202 (add_call_read_ops): Likewise.
9203 (add_stmt_operand): Likewise.
9204 (add_virtual_operand): Likewise.
9205 (build_ssa_operands): Likewise.
9207 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9212 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9213 with a call expr to ...
9214 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9216 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9218 * tree-vrp.c (extract_range_from_assert): Remove special
9219 handling for types with super-types.
9221 2006-03-01 Ben Elliston <bje@au.ibm.com>
9223 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9224 and powerpc64-*-linux* configurations.
9225 * config/t-dfprules: New file.
9227 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9228 Compile dfp-bit.c from the source directory using -DWIDTH and
9229 $DFP_CFLAGS to control the compilation of that file, rather than
9230 generating width-specific versions in the build directory.
9231 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9232 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9234 2006-02-28 Zack Weinberg <zackw@panix.com>
9236 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9239 2006-02-28 Eric Christopher <echristo@apple.com>
9241 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9242 Set up IN_LIBGCC definition of TARGET_64BIT.
9243 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9245 2006-02-28 Roger Sayle <roger@eyesopen.com>
9248 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9249 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9250 cases via the construction of "expr != 0".
9252 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9254 * alias.c (alias_invariant, alias_invariant_size): Remove.
9255 (record_base_value): Remove.
9256 (memrefs_conflict_p): Don't look at alias_invariant.
9257 (end_alias_analysis): Don't free it.
9258 * alias.h (record_base_value): Remove prototype.
9260 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9261 Adam Nemet <anemet@caviumnetworks.com>
9263 * rtl.h (truncated_to_mode): Declare it.
9264 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9265 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9266 (RTL_HOOKS_INITIALIZER): Include it.
9267 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9268 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9269 reg_truncated_to_mode.
9270 * rtlanal.c (truncated_to_mode): Define it.
9271 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9273 2006-02-28 Jeff Law <law@redhat.com>
9275 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9276 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9277 the range allowed by TYPE_PRECISION.
9279 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9281 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9283 PR tree-optimization/26419
9284 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9287 2006-02-27 Zack Weinberg <zackw@panix.com>
9289 * doc/md.texi: Fix typo in previous change.
9291 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9295 2006-02-27 Zack Weinberg <zackw@panix.com>
9297 * rtl.def (define_constraint, define_register_constraint)
9298 (define_memory_constraint, define_address_constraint): New MD forms.
9299 * gensupport.c (process_rtx): Put define_constraint etc on the
9301 * genpreds.c (process_define_predicate): Adjust comment. Validate
9302 the name, and call validate_exp to validate the expression.
9303 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9304 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9305 all callers changed.
9306 (validate_exp, needs_variable, struct constraint_data)
9307 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9308 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9309 (const_dbl_constraints, constraint_max_namelen)
9310 (have_register_constraints, have_memory_constraints)
9311 (have_address_constraints, have_address_constraints)
9312 (have_extra_constraints, have_const_int_constraints)
9313 (have_const_dbl_constraints, mangle, add_constraint)
9314 (process_define_constraint, process_define_register_constraint)
9315 (write_enum_constraint_num, write_lookup_constraint)
9316 (write_insn_constraint_len, write_regclass_for_constraint)
9317 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9318 (write_insn_extra_memory_constraint)
9319 (write_insn_extra_address_constraint)
9320 (write_satisfies_constraint_fns): New.
9321 (write_tm_preds_h): If we have new-style constraint definitions,
9322 prototype the functions generated from them, and define the
9323 old constraint interface (still used by generic code) in terms of
9325 (write_insn_preds_c): If we have new-style constraint definitions,
9326 generate all relevant functions from those definitions.
9327 (main): Handle define_constraint etc.
9328 * genoutput.c (struct constraint_data, indep_constraints)
9329 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9330 (mdep_constraint_len): New data structures and functions, defined
9331 #ifdef USE_MD_CONSTRAINTS.
9332 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9333 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9334 use new logic to validate operand constraints against constraint
9336 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9338 * defaults.h: If none of the old-style constraint macros are
9339 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9340 old-style macros; and poison REG_CLASS_FROM_LETTER,
9341 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9343 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9344 * doc/md.texi: Document new constraint-definition mechanism and the
9345 C interface it provides. Remove references to old mechanism
9346 elsewhere in the document.
9347 (Machine Constraints): Use pathnames relative to gcc directory,
9348 i.e. config/ARCH/FILE. Change i386 section to refer to
9349 config/i386/predicates.md; update that section to match docstrings.
9350 * doc/tm.texi: Move all documentation of the old constraint-
9351 definition macros to their own section, clearly mark as obsolete.
9353 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9354 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9356 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9357 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9358 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9360 (splits and peepholes): Use satisfies_constraint_*.
9361 * config/i386/i386.c (memory_address_length)
9362 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9364 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9366 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9367 scalar operation to be put back into the loop.
9369 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9372 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9373 (extract_cie_info): Handle S flag in augmentation string.
9374 (execute_cfa_program): If context->signal_frame, execute also
9375 fs->pc == context->ra instructions.
9376 (uw_frame_state_for): If context->signal_frame, don't subtract one
9377 from context->ra to find FDE.
9378 (uw_update_context_1): Set context->signal_frame to
9380 (_Unwind_GetIPInfo): New function.
9381 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9382 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9384 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9385 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9386 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9387 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9388 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9389 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9390 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9391 x86_64_fallback_frame_state): Set fs->signal_frame.
9392 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9393 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9394 (frob_update_context): Likewise. Workaround missing S flag in
9395 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9396 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9397 Remove the psw_addr + 1 hack.
9399 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9401 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9402 with aggregates here.
9403 (find_func_aliases): Remove code for &<aggregate> from here.
9405 2006-02-26 Roger Sayle <roger@eyesopen.com>
9407 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9408 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9409 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9412 2006-02-26 Roger Sayle <roger@eyesopen.com>
9415 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9417 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9419 * opts.c (decode_options): Do not handle flag_strength_reduce.
9420 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9421 and OPT_fstrength_reduce.
9422 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9423 flag_prefetch_loop_arrays for being nonzero.
9424 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9426 (fprefetch-loop-arrays-rtl): Removed.
9427 (flag_prefetch_loop_arrays): Do not specify the value.
9429 * doc/passes.texi: Update documentation of loop optimizer
9431 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9432 -frerun-loop-opt): Remove.
9434 2006-02-26 Richard Guenther <rguenther@suse.de>
9436 PR tree-optimization/26421
9437 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9438 in function calls that are ADDR_EXPRs as using the whole structure.
9440 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9442 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9443 * tree-pass.h (pass_loop_optimize): Remove.
9444 * passes.c (pass_loop_optimize): Never run it.
9445 * toplev.c (backend_init): Don't call init_loop.
9446 * opts.c (flag_loop_optimize_set): Remove.
9447 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9448 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9449 the old RTL loop optimizer when profiling enabled.
9450 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9451 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9452 pre-headers for the sake of the old RTL loop optimizer.
9453 * Makefile.in: Remove all references to loop.o.
9455 * doc/invoke.texi: Remove all references to -floop-optimize
9456 and -frerun-loop-opt.
9458 2006-02-26 Zack Weinberg <zackw@panix.com>
9460 * doc/md.texi (Machine Constraints): Refer to all files with paths
9461 relative to gcc directory (i.e. config/CPU/file). Add missing
9462 @table @code ... @end table to M32C subsection.
9464 2006-02-26 Roger Sayle <roger@eyesopen.com>
9466 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9468 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9470 2006-02-26 Roger Sayle <roger@eyesopen.com>
9471 James A. Morrison <phython@gcc.gnu.org>
9474 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9475 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9476 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9477 signedness of the shift operation.
9479 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9481 PR tree-optimization/26359
9482 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9484 2006-02-25 Roger Sayle <roger@eyesopen.com>
9486 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9487 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9488 as X == 0, and some symmetry related transformations.
9489 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9491 2006-02-25 Roger Sayle <roger@eyesopen.com>
9494 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9495 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9496 symmetry related transformations. Fold (X^C1) == C2 as
9499 2006-02-25 Juergen Weigert <jw@suse.de>
9500 Richard Guenther <rguenther@suse.de>
9502 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9504 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9506 * combine.c (gen_lowpart_or_truncate): Call
9507 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9509 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9511 * doc/invoke.texi: Move -fopenmp description to "Options for
9513 Remove reference to -lgomp.
9515 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9517 * doc/install.texi: Require GNU tar version 1.14.
9519 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9521 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9522 * doc/invoke.texi (C++ Dialect Options): Document
9523 -fno-use-cxa-get-exception-ptr.
9524 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9525 * configure: Regenerate.
9526 * c.opt (fuse-cxa-get-exception-ptr): New.
9527 * c-opts.c (c_common_handle_option): Handle
9528 OPT_fuse_cxa_get_exception_ptr.
9529 * c-common.c (flag_use_cxa_atexit): Update documentation.
9530 (flag_use_cxa_get_exception_ptr): New.
9531 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9532 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9534 (C_COMMON_OVERRIDE_OPTIONS): New.
9536 2006-02-24 Roger Sayle <roger@eyesopen.com>
9539 * combine.c (try_combine): Explicitly check whether GET_CODE is
9540 a SET or a CLOBBER, instead on checking that it isn't a USE.
9542 2006-02-24 Roger Sayle <roger@eyesopen.com>
9544 * fold-const.c (fold_comparison): New subroutine of fold_binary
9545 containing transformations common to both the equality and
9546 ordering relational operators, factored out of fold_binary.
9547 (fold_binary): Separate out the equality operators (EQ_EXPR
9548 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9549 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9550 transformations common to both.
9551 (fold_div_compare): Fix latent bugs in the previously unreachable
9552 LT_EXPR and GE_EXPR cases.
9554 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9556 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9557 decl libname for clog to __clog on AIX.
9559 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9561 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9564 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9565 output traceback table for thunks. Localise rs6000_stack_info call.
9567 2006-02-23 Roger Sayle <roger@eyesopen.com>
9568 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9570 * gthr-posix.h (__gthrw): Fix typo in comment.
9572 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9574 * doc/cpp.texi (Character sets): Document that we do support
9575 input files to be in any character set.
9577 2006-02-23 Jeff Law <law@redhat.com>
9579 * tree.h (PHI_ARG_NONZERO): Remove.
9580 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9581 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9582 node to the new node.
9584 PR tree-optimization/26425
9585 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9586 min/max, then assume its varying.
9588 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9590 PR rtl-optimization/26316
9591 * rtlanal.c (enum may_trap_p_flags): New.
9592 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9593 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9594 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9595 (may_trap_after_code_motion_p): New function.
9596 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9597 (find_invariant_insn): Use may_trap_after_code_motion_p.
9598 * rtl.h (may_trap_after_code_motion_p): Declare.
9600 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9602 * emit-rtl.c (immed_double_const): Cleanup.
9604 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9606 Fix PR tree-optimization/26376
9607 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9610 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9613 * gimplify.c (omp_add_variable): Guard variable size decl test with
9614 DECL_SIZE (decl) check.
9616 2006-02-23 Richard Guenther <rguenther@suse.de>
9619 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9620 like aggregate types.
9622 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9624 * configure.ac: Add --with{,out}-long-double-128 configure option.
9625 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9626 * configure: Rebuilt.
9627 * config.in: Rebuilt.
9628 * doc/install.texi (Options specification): Document
9629 --with-long-double-128.
9631 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9632 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9633 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9634 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9636 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9638 * config/s390/s390.c (override_options): Handle
9639 TARGET_DEFAULT_LONG_DOUBLE_128.
9641 * config/alpha/alpha.c (override_options): Handle
9642 TARGET_DEFAULT_LONG_DOUBLE_128.
9644 * config/sparc/sparc.c (sparc_override_options): Handle
9645 TARGET_DEFAULT_LONG_DOUBLE_128.
9647 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9649 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9650 (real-install-headers-tar, real-install-headers-cpio)
9651 (real-install-headers-cp): New targets.
9653 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9655 * tree.h (variable_section): Delete.
9656 * varasm.c (variable_section): Delete.
9658 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9660 * install.texi: Add notes on install.texi2html.
9661 (Building in parallel): Do not use footnotes.
9663 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9666 * doc/install.texi (Configuration): Document --disable-libgomp.
9668 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9670 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9672 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9674 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9675 (vec_extractv2df_0_sse): New.
9677 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9679 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9680 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9681 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9682 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9683 to the result of the expression.
9684 (def_cfa_1): Adjust.
9685 (frame_pointer_cfa_offset): Rename to...
9686 (frame_pointer_fb_offset): ... this. Adjust all uses.
9687 (convert_cfa_to_loc_list): Rename to...
9688 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9689 Pass it on to build_cfa_loc.
9690 (compute_frame_pointer_to_cfa_displacement): Rename to...
9691 (compute_frame_pointer_to_fb_displacement): ... this. New
9692 offset parameter. Use it in computation.
9693 (gen_subprogram_die): Compute cfa_fb_offset with the new
9694 macro, and use it to compute the fb loc list and the
9697 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9699 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9700 replaced with register_operand.
9701 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9702 non-DREG is expensive.
9703 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9704 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9707 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9709 * doc/install.texi2html: Use set -e.
9711 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9713 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9714 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9715 * doc/invoke.texi (-fshared-data): Delete.
9716 * common.opt (fshared-data): Delete.
9717 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9718 (assemble_static_space): Remove #if 0 code.
9719 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9720 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9721 * config/cris/cris.h: Remove FIXME.
9723 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9725 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9728 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9731 * combine.c (simplify_shift_const_1): Disable nested shifts
9732 optimization for vector shifts.
9734 2006-02-20 Roger Sayle <roger@eyesopen.com>
9736 PR tree-optimization/26361
9737 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9738 of unsigned integer types.
9740 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9742 * tree-chrec.c (eq_evolutions_p): New.
9743 * tree-chrec.h (eq_evolutions_p): Declared.
9744 * tree-data-ref.c: Fix formatting.
9745 (datadep_stats, dependence_stats): New.
9747 (print_direction_vector): New.
9748 (dump_data_dependence_relation): Use print_direction_vector.
9749 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9750 (compute_subscript_distance): Static.
9751 (initialize_data_dependence_relation): Static. Get the number
9752 of loops surrounding the references from the callers, and initialize
9753 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9754 base_object_differ_p analyzers.
9755 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9756 compute_overlap_steps_for_affine_1_2,
9757 analyze_subscript_affine_affine): Count the classified dependences.
9758 Print a message when a test failed.
9759 (can_use_analyze_subscript_affine_affine): New.
9760 (analyze_siv_subscript): Compute the data dependences on symbolic
9761 scevs that verify can_use_analyze_subscript_affine_affine.
9762 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9763 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9764 Handle symbolic scevs.
9765 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9767 (subscript_dependence_tester): Moved...
9768 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9769 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9770 DDR_SIZE_VECT instead of getting it in parameter.
9771 (subscript_dependence_tester): ... here. Take as a parameter
9772 loop_nest_depth. Call build_classic_dist_vector and
9773 build_classic_dir_vector.
9774 (compute_affine_dependence): Update subscript_dependence_tester
9775 parameters. Update datadep_stats counters. Call
9776 compute_subscript_distance.
9777 (compute_self_dependence): Save the dist and dir vectors. Call
9778 compute_subscript_distance.
9779 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9780 (compute_all_dependences): Reorder parameters as they were before
9781 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9782 compute_subscript_distance. Update the use of
9783 compute_affine_dependence and initialize_data_dependence_relation.
9784 (find_data_references_in_loop): Handle COMPONENT_REF.
9785 (compute_data_dependences_for_loop): Initialize dependence_stats.
9786 Don't call build_classic_dist_vector and build_classic_dir_vector.
9787 Update the parameters of initialize_data_dependence_relation and
9788 compute_all_dependences. Print the statistics from datadep_stats.
9789 (analyze_all_data_dependences): Static. Not used until the pass for
9790 checking the data dependences is contributed.
9791 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9792 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9793 (initialize_data_dependence_relation, compute_affine_dependence,
9794 analyze_all_data_dependences, compute_subscript_distance): Removed.
9795 (print_direction_vector): New.
9796 * lambda.h (gcd): ... here.
9797 (lambda_vector_gcd): Moved here from gcd_vector.
9798 * lambda-code.c (gcd, gcd_vector): Removed.
9799 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9800 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9802 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9804 * ipa-type-escape.c: Tidy some comments and white space.
9805 * tree-ssa-operands.c: Likewise.
9807 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9810 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9811 (dump_decl_name): Do not walk the decl tree chains.
9812 * tree-pass.h (TDF_CHAIN): Remove.
9814 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9816 * Makefile.in (C): Remove
9818 (.PHONY): Remove C and PROTO
9820 2006-02-20 Roger Sayle <roger@eyesopen.com>
9823 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9824 deprecated CHAR_TYPE tree code.
9826 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9828 * configure.ac (target_list): Add install-info, dvi, html.
9829 * configure: Regenerate.
9831 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9832 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9833 treelang/Make-lang.in: Do not use double-colon rules.
9835 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9837 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9838 (TMT_USED_ALONE): New macro.
9839 * tree-pass.h (PROP_tmt_usage): New property.
9840 (TODO_update_tmt_usage): New todo.
9841 * tree-ssa-alias.c (updating_used_alone): New variable.
9842 (recalculate_used_alone): New function.
9843 (compute_may_aliases): Set updating_used_alone, call
9844 recalculate_used_alone.
9845 * tree-sra.c (pass_sra): Note that this pass destroys
9846 PROP_tmt_usage, and add TODO_update_tmt_usage.
9847 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9848 * tree-flow.h (updating_used_alone): Prototype.
9849 (recalculate_used_alone): Ditto.
9850 * passes.c (execute_todo): Add code to set updating_used_alone,
9851 and call recalculate.
9852 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9853 for clobber if used alone, and add assert to verify used_alone
9856 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9858 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9859 for non tls symbols added.
9860 (legitimize_address): Do nothing for PLUS expressions if one of the
9861 addends is a tls symbol reference.
9863 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9867 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9869 * Makefile.in (BOOTSTRAPPING): New.
9870 (quickstrap): New definition if BOOTSTRAPPING=yes.
9872 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9873 * configure.ac: Substitute all_selected_languages with the languages
9874 that were configured. For all the other variables except
9875 lang_specs_files, include all the languages in the tree.
9876 * configure: Regenerate.
9878 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9879 if there is one. Run the commands to run fixincludes in the same
9882 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9883 * doc/install.texi: Document exact conventions for searching target tools.
9884 Document --with-build-time-tools. Document toplevel bootstrap. Document
9885 something more about building an Ada cross-compiler. Don't list GNU Make
9886 requirements which affect all platforms.
9888 2006-02-19 Roger Sayle <roger@eyesopen.com>
9891 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9892 only equivalent if the have both the same mode and precision.
9894 2006-02-20 Ben Elliston <bje@au.ibm.com>
9896 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9898 2006-02-19 Roger Sayle <roger@eyesopen.com>
9899 Steven Bosscher <stevenb.gcc@gmail.com>
9901 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9902 constant pool references to identify stack mode constants.
9903 * rtlanal.c (constant_pool_constant_p): New predicate to check
9904 whether operand is a floating point constant in the pool.
9905 * rtl.h (constant_pool_constant_p): Prototype here.
9906 * loop.c (scan_loop): Avoid hoisting constants from the constant
9907 pool on STACK_REGS targets.
9908 (load_mems): Likewise.
9909 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9910 loads into x87 registers expensive in terms of register pressure.
9912 2006-02-19 Roger Sayle <roger@eyesopen.com>
9914 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9915 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9917 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9919 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9920 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9922 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9924 * doc/invoke.texi: Document -fipa-pta.
9925 * common.opt: Add ipa-pta option.
9926 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9927 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9928 (do_ds_constraint): Ditto.
9929 (get_constraint_for): Only add to referenced_vars if
9930 referenced_vars exists.
9931 (insert_into_field_list): Rewrite to do this unsorted.
9932 (insert_into_field_list_sorted): Rename old insert_into_field_list
9934 (create_function_info_for): Use insert_into_field_list_sorted.
9935 (create_variable_info_for): Rewrite so it uses unsorted version,
9936 since the field list is sorted.
9937 (intra_create_variable_infos): Only add to referenced_vars if
9938 referenced_vars exists.
9939 (ipa_pta_execute): Init heapvars, and delete when done.
9940 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9942 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9944 * doc/install.texi: Add missing `@samp'.
9946 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9948 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9951 2006-02-18 Mark Wielaard <mark@klomp.org>
9953 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9954 who added new 4.1 features, bug fixes and integration support.
9956 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9959 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9962 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9964 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9965 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9966 (copy_insn_1): Likewise. Don't copy each field individually.
9968 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9970 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9971 * rtl.c (rtx_size): Rename variable to...
9972 (rtx_code_size): ...this.
9973 (rtx_size): New function.
9974 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9975 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9977 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9978 * rtl.h (rtx_code_size): New variable.
9979 (rtx_size): Change from a variable to a function.
9980 (RTX_SIZE): Rename to...
9981 (RTX_CODE_SIZE): ...this.
9984 PR tree-optimization/17106
9985 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9986 (Anchored Addresses): New section.
9987 * doc/invoke.texi (-fsection-anchors): Document.
9988 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9989 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9990 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9991 * hooks.c (hook_bool_mode_rtx_false): New function.
9992 * hooks.h (hook_bool_mode_rtx_false): Declare.
9993 * gengtype.c (create_optional_field): New function.
9994 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9995 SYMBOL_REF_IN_BLOCK_P is true.
9996 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9997 (min_anchor_offset, max_anchor_offset): Likewise.
9998 (use_anchors_for_symbol_p): New hook.
9999 * toplev.c (compile_file): Call output_object_blocks.
10000 (target_supports_section_anchors_p): New function.
10001 (process_options): Check that -fsection-anchors is only used on
10002 targets that support it and when -funit-at-a-time is in effect.
10003 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10004 if the decl doesn't have one.
10005 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10006 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10007 of force_const_mem through use_anchored_address.
10008 (expand_expr_constant): New function.
10009 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10010 calling expand_expr for INDIRECT_REF.
10011 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10012 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10013 * expr.h (use_anchored_address): Declare.
10014 * loop-unroll.c: Don't declare rtx vectors here.
10015 * explow.c: Include output.h.
10016 (validize_mem): Call use_anchored_address.
10017 (use_anchored_address): New function.
10018 * common.opt (-fsection-anchors): New switch.
10019 * varasm.c (object_block_htab, anchor_labelno): New variables.
10020 (hash_section, object_block_entry_eq, object_block_entry_hash)
10021 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10022 (use_blocks_for_decl_p, change_symbol_section): New functions.
10023 (get_variable_section): New function, split out from assemble_variable.
10024 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10025 use_blocks_for_decl_p say so. Use change_symbol_section if the
10026 symbol has already been created.
10027 (assemble_variable_contents): New function, split out from...
10028 (assemble_variable): ...here. Don't output any code for
10029 block symbols; just pass them to place_block_symbol.
10030 Use get_variable_section and assemble_variable_contents.
10031 (get_constant_alignment, get_constant_section, get_constant_size): New
10032 functions, split from output_constant_def_contents.
10033 (build_constant_desc): Create a block symbol if use_object_blocks_p
10034 says so. Or into SYMBOL_REF_FLAGS.
10035 (assemble_constant_contents): New function, split from...
10036 (output_constant_def_contents): ...here. Don't output any code
10037 for block symbols; just pass them to place_section_symbol.
10038 Use get_constant_section and get_constant_alignment.
10039 (force_const_mem): Create a block symbol if use_object_blocks_p and
10040 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10041 (output_constant_pool_1): Add an explicit alignment argument.
10042 Don't switch sections here.
10043 (output_constant_pool): Adjust call to output_constant_pool_1.
10044 Switch sections here instead. Don't output anything for block symbols;
10045 just pass them to place_block_symbol.
10046 (init_varasm_once): Initialize object_block_htab.
10047 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10048 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10049 (place_block_symbol, get_section_anchor, output_object_block)
10050 (output_object_block_htab, output_object_blocks): New functions.
10051 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10052 (TARGET_ASM_OUT): Include it.
10053 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10054 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10055 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10056 (TARGET_INITIALIZER): Include them.
10057 * rtl.c (rtl_check_failed_block_symbol): New function.
10058 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10059 (block_symbol, object_block): New structures.
10060 (rtx_def): Add a block_symbol field to the union.
10061 (BLOCK_SYMBOL_CHECK): New macro.
10062 (rtl_check_failed_block_symbol): Declare.
10063 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10064 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10065 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10066 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10067 * output.h (output_section_symbols): Declare.
10068 (object_block): Name structure.
10069 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10070 (default_use_anchors_for_symbol_p): Declare.
10071 * Makefile.in (RTL_BASE_H): Add vec.h.
10072 (explow.o): Depend on output.h.
10073 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10074 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10075 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10076 (rs6000_use_blocks_for_constant_p): New function.
10078 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10080 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10082 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10085 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10088 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10090 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10094 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10096 PR middle-end/26334
10097 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10098 instead of DECL_REGISTER.
10100 2006-02-18 Olivier Hainque <hainque@adacore.com>
10103 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10105 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10108 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10109 * opth-gen.awk: Handle Var and InverseMask together.
10110 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10111 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10112 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10113 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10115 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10116 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10117 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10118 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10119 LINUX_DYNAMIC_LINKER): Define.
10120 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10121 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10123 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10124 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10125 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10127 (TARGET_C99_FUNCTIONS): Don't define.
10128 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10129 GLIBC_DYNAMIC_LINKER.
10130 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10131 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10132 GLIBC_DYNAMIC_LINKER64): Define.
10133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10134 LINUX_DYNAMIC_LINKER64.
10135 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10136 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10137 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10138 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10139 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10140 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10141 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10142 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10143 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10144 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10145 and LINUX_DYNAMIC_LINKER32.
10146 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10147 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10148 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10150 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10152 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10153 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10154 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10155 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10156 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10157 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10158 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10159 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10160 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10161 LINUX_DYNAMIC_LINKER): Define.
10162 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10163 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10164 GLIBC_DYNAMIC_LINKER64): Define.
10165 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10166 LINUX_DYNAMIC_LINKER64.
10167 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10168 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10169 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10170 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10171 LINUX_DYNAMIC_LINKER): Define.
10172 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10173 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10174 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10175 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10176 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10177 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10178 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10179 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10180 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10181 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10183 * doc/invoke.texi (-muclibc): Remove caveat about supported
10186 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10188 * doc/cpp.texi (__TIMESTAMP__): Document.
10190 2006-02-17 Roger Sayle <roger@eyesopen.com>
10192 PR middle-end/25600
10193 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10194 C is one less than the width of X (and related transformations).
10195 * simplify-rtx.c (simplify_unary_operation_1): Transform
10196 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10197 depending on STORE_FLAG_VALUE, were C is one less then the
10200 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10202 Fix PR tree-optimization/26341
10203 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10204 about NAME_MEMORY_TAG's.
10206 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10209 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10210 with hardware float support, and software float support. Add fcpy
10211 alternative to hardware patterns. Add alternatives to copy between
10212 general and floating-point registers to the 32-bit pattern.
10213 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10214 secondary reload to load a QI or HI mode constant into a floating
10216 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10217 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10219 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10222 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10224 (load_macho_picbase_di): Likewise.
10226 2006-02-16 Jeff Law <law@redhat.com>
10228 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10229 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10230 (ssa_name_nonzero_p): Likewise.
10231 (get_value_range): Return NULL if VRP is not running.
10232 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10233 VRP routines do not discover a range.
10234 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10235 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10236 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10237 (tree_expr_nonnegative_p): Similarly.
10238 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10239 (restore_nonzero_vars_to_original_value): Remove.
10240 (unsafe_associative_fp_binop): Remove.
10241 (tree_ssa_dominator_optimize): Remove initialization and
10242 finalization of nonzero_vars and nonzero_vars_stack.
10243 (dom_opt_initialize_block): No longer push marker on
10244 nonzero_vars_stack.
10245 (dom_opt_finalize_block): No longer call
10246 restore_nonzero_vars_to_original_value.
10247 (record_equivalences_from_phis): No longer look for
10248 nonzero PHI arguments.
10249 (cprop_into_successor_phis): No longer propagate nonzero
10250 property into PHI arguments. Lose unused argument. Caller
10252 (record_equivalences_from_stmt): No longer record nonzero
10253 values for SSA_NAMEs.
10254 (lookup_avail_expr): No longer use nonzero_vars.
10256 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10257 for sizetype when sizetype is unsigned.
10259 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10261 PR rtl-optimization/25603
10262 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10263 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10264 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10265 with new meaning of SETS.
10267 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10272 * config/linux.opt: New file.
10273 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10274 LINUX_DYNAMIC_LINKER): Define.
10275 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10276 * config.gcc (*-*-linux*): Define extra_options.
10277 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10278 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10279 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10280 GLIBC_DYNAMIC_LINKER.
10281 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10282 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10283 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10284 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10285 * doc/invoke.texi (GNU/Linux Options): New section.
10287 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10289 * config/sparc/sparc.md (setjmp): Rewrite.
10290 (setjmp_32): Delete.
10291 (setjmp_64): Likewise.
10293 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10295 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10298 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10300 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10303 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10305 PR rtl-optimization/26296
10306 * Makefile.in (loop-invariant.c): Add except.h dependency.
10307 * loop-invariant.c: Include except.h.
10308 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10310 2005-02-16 Paul Brook <paul@codesourcery.com>
10312 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10315 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10317 PR rtl-optimization/25636
10318 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10319 when deciding whether an insn is an initializing insn.
10321 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10323 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10324 (tree_code_size): Ditto.
10325 * tree.h (struct tree_memory_tag): Remove parent_var.
10326 (struct tree_struct_field_tag): New.
10329 (union tree_node): Add sft member.
10330 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10332 (create_sft): Add size and offset argument, set SFT_OFFSET and
10334 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10335 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10336 * tree-flow-inline.h (get_subvar_at): Update for
10337 SFT_OFFSET/SFT_SIZE.
10338 (var_can_have_subvars): Ditto.
10339 (overlap_subvar): Ditto.
10340 * print-tree.c (print_node): Print out interesting things for
10342 * tree-flow.h (struct subvar): Remove offset and size members.
10343 * tree-ssa-operands.c (get_expr_operands): Update for
10344 get_indirect_ref_operands changes.
10345 (get_indirect_ref_operands): Call add_virtual_operand instead of
10346 add_stmt_operand. Only recurse on base var if requested.
10347 (access_can_touch_variable): New function.
10348 (add_stmt_operand): Split virtual operand handling into ...
10349 (add_virtual_operand): Here. Add offset, size, and for_clobber
10350 arguments. Prune alias sets.
10351 (add_call_clobber_ops): Call add_virtual_operand.
10353 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10355 PR middle-end/26300
10356 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10358 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10359 than TREE_CODE as index into omp_clause_num_ops array.
10361 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10363 PR rtl-optimization/26184
10364 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10366 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10367 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10368 must_precede, must_follow and tobe_scheduled.
10371 * opts.c (common_handle_option): Free new_option pointer.
10372 * df-core.c (df_analyze): Free postorder pointer.
10374 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10376 * Makefile.in: Fix the examples about the use of stamps
10378 2006-02-15 Michael Matz <matz@suse.de>
10380 PR middle-end/22275
10382 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10383 influenced by maximum_field_alignment or DECL_PACKED.
10384 (update_alignment_for_field): Ditto.
10385 (place_field): Ditto.
10386 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10389 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10391 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10392 (debug_flow_info): Pass it.
10393 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10394 * bb-reorder.c (reorder_basic_blocks): Likewise.
10395 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10396 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10397 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10398 * gcse.c (gcse_main, bypass_jumps): Likewise.
10399 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10400 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10401 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10402 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10403 * rtl.h (dump_flow_info): Adjust prototype.
10404 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10405 * var-tracking.c (variable_tracking_main): Likewise.
10406 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10407 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10410 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10412 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10415 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10417 PR tree-optimization/26209
10418 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10419 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10421 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10423 2006-02-14 Roger Sayle <roger@eyesopen.com>
10425 PR middle-end/23670
10426 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10427 (X,Y) and the corresponding symmetry related transformations.
10428 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10429 (X,Y) and its symmetry related transformations.
10431 2006-02-14 Roger Sayle <roger@eyesopen.com>
10433 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10436 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10438 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10440 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10443 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10444 support COMDAT group.
10445 * configure: Regenerate.
10447 2006-02-14 Roger Sayle <roger@eyesopen.com>
10449 PR middle-end/26279
10450 PR middle-end/26280
10451 PR middle-end/26283
10452 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10454 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10456 Fix PR tree-optimization/26260
10458 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10460 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10461 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10462 * tree-ssa-structalias.c (create_variable_info_for): Use
10463 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10465 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10467 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10469 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10470 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10471 of the ending condition.
10472 * tree-ssa-loop-manip.c: Include params.h.
10473 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10474 tree_unroll_loop): New functions.
10475 * tree-pass.h (pass_loop_prefetch): Declare.
10476 * loop.c (rest_of_handle_loop_optimize): Test for
10477 -fprefetch-loop-arrays-rtl.
10478 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10479 * timevar.def (TV_TREE_PREFETCH): New timevar.
10480 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10481 pass_loop_prefetch): New.
10482 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10483 (cleanup_tree_cfg_loop): Call scev_reset.
10484 * common.opt (fprefetch-loop-arrays-rtl): Add.
10485 * tree-ssa-loop-prefetch.c: New file.
10486 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10487 (new_temp_expr_table): Initialize expr_vars.
10488 (free_temp_expr_table): Cleanup expr_vars.
10489 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10490 expressions from being merged into one.
10491 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10492 (struct tree_niter_desc): Add control, bound and cmp fields.
10493 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10495 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10496 (tree-cfgcleanup.o): Add SCEV_H dependency.
10497 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10498 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10500 2006-02-14 Richard Guenther <rguenther@suse.de>
10502 PR tree-optimization/26258
10503 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10504 in PHI argument processing.
10506 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10508 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10509 new expression in the requested machine mode.
10511 2006-02-13 Roger Sayle <roger@eyesopen.com>
10513 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10514 directly, instead let do_compare_rtx_and_jump handle this for us.
10515 * expr.c (expand_expr_real_1): Likewise.
10516 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10517 before do_jump_by_parts_greater.
10518 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10519 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10521 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10523 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10525 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10527 PR rtl-optimization/26235
10528 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10529 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10532 2006-02-13 Jeff Law <law@redhat.com>
10534 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10537 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10539 PR middle-end/26092
10540 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10541 twice if decl is a builtin. When trying again, call get_callee_fndecl
10542 first to verify it is still a builtin.
10544 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10546 * dwarf2out.c (base_type_die): Don't add AT_name here.
10547 (subrange_type_die): Don't add AT_name here.
10548 (modified_type_die): Rearrange code flow. Do add AT_name here.
10550 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10552 PR rtl-optimization/26247
10553 PR rtl-optimization/26248
10554 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10556 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10558 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10559 * config/fixtfdi.c: Likewise.
10560 * config/fixunstfdi.c: Likewise.
10561 * config/floatditf.c: Likewise.
10563 2006-02-13 Roger Sayle <roger@eyesopen.com>
10565 PR middle-end/24427
10566 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10567 into (X,C2) if C1 is a subset of the bits of C2. Transform
10568 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10570 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10572 2006-02-13 Josh Conner <jconner@apple.com>
10575 * varasm.c (function_section): Check for section name before
10576 calling select_section on targets that define
10577 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10578 unlikely_text_section instead of hot_function_section if
10579 first_function_block_is_cold.
10581 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10583 PR middle-end/25335
10584 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10586 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10588 PR rtl-optimization/26222
10589 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10590 after tree->rtl expansion.
10591 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10592 before passing it to emit_move_insn.
10594 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10596 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10598 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10599 Clarify documentation.
10600 * c-common.h (warn_write_strings): Remove.
10601 * c-common.c (warn_write_strings): Likewise.
10602 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10605 2006-02-12 Roger Sayle <roger@eyesopen.com>
10607 PR middle-end/25724
10608 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10609 (do_jump_parts_zero_rtx): New function renamed from
10610 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10611 (do_jump_parts_equality_rtx): New function split out from
10612 do_jump_parts_equality. Old implementation renamed as above.
10613 Call do_jump_parts_zero_rtx if either operand is zero.
10614 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10615 do all of the heavy lifting.
10616 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10617 calling either do_jump_by_parts_greater_rtx or
10618 do_jump_by_parts_equality_rtx.
10619 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10620 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10621 moved to do_compare_rtx_and_jump, call it directly.
10622 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10623 mode argument. Call do_compare_rtx_and_jump.
10624 (emit_case_nodes): Update calls to do_jump_if_equal.
10626 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10628 PR rtl-optimization/26225
10629 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10631 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10633 PR rtl-optimization/26232
10634 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10636 2006-02-11 Jason Merrill <jason@redhat.com>
10639 * tree-inline.c (declare_return_variable): Just don't use the
10640 modify target if it's a gimple complex reg and the return slot
10643 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10645 * doc/contrib.texi: Update my entry.
10647 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10649 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10651 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10653 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10656 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10658 * doc/invoke.texi (-floop-optimize2): Removed.
10659 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10660 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10661 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10662 * common.opt (floop-optimize2): Removed.
10663 (fmove-loop-invariants): Enabled by default.
10665 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10667 * tree-if-conv.c (combine_blocks): Free the result of
10668 get_loop_exit_edges.
10670 2006-02-10 Jeff Law <law@redhat.com>
10672 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10674 PR tree-optimization/26213
10675 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10676 loop trying to follow SSA_NAME_VALUE chains.
10678 2006-02-10 Richard Guenther <rguenther@suse.de>
10680 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10681 deal with structures that end in implicitly variable sized arrays.
10683 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10685 PR rtl-optimization/24762
10686 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10689 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10691 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10692 (struct ivopts_data): Add regs_used field.
10693 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10694 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10695 instead of loop_data->regs_used;
10696 (free_loop_data): Do not free aux fields for loops.
10697 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10698 and tree_ssa_iv_optimize_finalize.
10700 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10702 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10704 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10707 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10708 computing the effective result type.
10710 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10712 PR inline-asm/16194
10713 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10714 (tree_overlaps_hard_reg_set): Declare.
10715 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10716 type and signature to match function type expected by walk_tree.
10717 (tree_overlaps_hard_reg_set): New function.
10718 (decl_conflicts_with_clobbers_p): Rename to:
10719 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10720 Use tree_overlaps_hard_reg_set. Changed caller.
10721 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10722 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10723 * cris.c (cris_md_asm_clobbers): Likewise.
10725 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10727 * reload1.c (emit_input_reload_insns): Delete code that tries to
10728 inherit using find_equiv_reg.
10730 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10732 * c-common.h (flag_const_strings): Don't declare.
10733 * c-common.c (flag_const_strings): Remove.
10734 * c.opt (fconst_strings): Remove.
10735 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10736 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10737 (c_common_init_options): Don't set flag_const_strings.
10738 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10740 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10742 * arm.md (tlobits_cbranch): New pattern.
10743 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10744 testing a single bit.
10746 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10749 * tree-ssa-pre.c (create_component_ref_by_pieces):
10750 Handle RETURN_DECL like VAR_DECL.
10752 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10754 PR middle-end/26134
10755 * fold-const.c (fold_indirect_ref_1): Fold
10756 "*(foo *)&complexfoo" to "__real__ complexfoo"
10757 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10759 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10761 * tree-flow-inline.h (var_can_have_subvars):
10762 Volatile variables should not have subvariables.
10764 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10767 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10768 multiplying unsigned values.
10771 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10773 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10775 2006-02-08 Jason Merrill <jason@redhat.com>
10778 * tree.def: Elaborate on difference from MODIFY_EXPR.
10779 * doc/c-tree.texi (INIT_EXPR): Likewise.
10780 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10781 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10782 (gimplify_target_expr): Likewise.
10783 (gimplify_cond_expr): Remove target handling.
10784 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10785 (gimplify_expr): Clobber it here.
10786 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10787 Do return slot optimization if we have an INIT_EXPR.
10790 * tree-inline.c (declare_return_variable): Also clear
10791 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10794 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10796 PR middle-end/22439
10797 * gimplify.c (gimplify_one_sizepos): Fix typo.
10799 2006-02-08 Jeff Law <law@redhat.com>
10801 PR tree-optimization/21417
10802 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10803 across a backedge if the control statement at the end of the
10804 block is data dependent on other statements in the same block.
10805 (record_temporary_equivalences_from_stmts): Remove over-conservative
10806 test for threading across backedges.
10808 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10809 control statement, handle all three special cases in the same
10810 manner as they all have the same desired solution. No longer
10811 special case edge flag updating when the post dominator is
10814 2006-02-08 Roger Sayle <roger@eyesopen.com>
10816 * tree.def (CHAR_TYPE): Remove.
10817 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10818 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10819 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10820 (gen_string_type_die): Delete unreachable function.
10822 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10823 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10824 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10825 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10826 * builtins.c (type_to_class): Likewise.
10827 * fold-const.c (fold_convert, build_range_check,
10828 merge_ranges): Likewise.
10829 * expr.c (count_type_elements): Likewise.
10830 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10831 * stor-layout.c (layout_type): Likewise.
10832 * ipa-type-escape.c (type_to_consider): Likewise.
10833 * gimplify.c (omp_firstprivatize_type_sizes,
10834 gimplify_type_sizes): Likewise.
10835 * explow.c (promote_mode): Likewise.
10836 * tree-sra.c (is_sra_scalar_type): Likewise.
10837 * varasm.c (output_constant): Likewise.
10838 * tree-inline.c (remap_type_1): Likewise.
10839 * convert.c (convert_to_pointer, convert_to_real,
10840 convert_to_integer, convert_to_complex): Likewise.
10842 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10844 * df-scan.c (df_def_record_1): A set destination may
10845 be a parallel regardless of mode.
10847 2006-02-08 Roger Sayle <roger@eyesopen.com>
10850 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10851 * config/mips/_tilib.c: Remove.
10852 * config/fixtfdi.c: New libgcc source file.
10853 * config/fixunstfdi.c: New source file.
10854 * config/floatditf.c: New source file.
10855 * config/floatunditf.c: New souce file.
10856 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10857 files above instead of config/mips/_tilib.c.
10858 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10860 2006-02-08 Jeff Law <law@redhat.com>
10862 PR tree-optimization/26169
10863 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10866 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10868 * df.h (DF_REG_SIZE): Return the length of the initialized
10871 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10873 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10874 __muldf3): Return a correctly signed zero.
10876 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10878 * passes.c (register_one_dump_file): Accept the current properties
10879 instead of pass number. Adjust call to dump_register. Remove
10881 (register_dump_files): Now a wrapper around...
10882 (register_dump_files_1): ... this one. Do not modify the pass
10884 (next_pass_1): Cosmetic fix.
10885 (execute_todo): Keep second parameter only. Use curr_properties
10886 instead of fetching it from the pass structure. Check and set
10888 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10889 instead of fetching it from the pass structure. Fix calls to
10890 execute_todo. Update curr_properties and initialize .vcg RTL dump
10891 after running the pass. Reset last_verified.
10892 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10894 (FIRST_AUTO_NUMBERED_DUMP): New.
10895 (dump_register): Remove "num" parameter, assign it within the
10897 (get_dump_file_name): Modify template for dumps.
10898 * tree-dump.h (dump_register): Adjust prototype.
10899 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10900 (PROP_trees): Add PROP_gimple_lomp.
10901 (TODO_set_props): New.
10902 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10903 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10904 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10906 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10908 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10909 (sparc64-*-linux*): Likewise.
10910 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10911 * config/sparc/t-linux: New file.
10912 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10913 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10914 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10915 -m32 -mlong-double-128.
10917 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10918 * config/alpha/t-linux: New file.
10919 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10921 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10922 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10923 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10924 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10925 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10926 (CPP_ARCH32_SPEC): Remove.
10928 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10930 PR tree-optimization/26145
10931 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10934 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10937 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10938 >= 240000 when generating code for SOM runtime.
10939 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10940 to $$dyncall when generating code for SOM runtime..
10942 2006-02-07 Dirk Mueller <dmueller@suse.com>
10945 * doc/invoke.texi (-Wsequence-point): Update documentation
10946 that -Wsequence-point is implemented for C++ as well.
10948 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10950 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10951 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10952 (LIB_SPEC): Likewise.
10953 * doc/invoke.texi (SPARC options): Document -pthread.
10955 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10957 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10960 2006-02-07 Roger Sayle <roger@eyesopen.com>
10962 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10963 Correct comment describing BOOLEAN_TYPE.
10965 2006-02-07 Dirk Mueller <dmueller@suse.com>
10967 * c.opt: C++ frontend supports -Wdiv-by-zero.
10968 * c-opts.c (c_common_handle_option): Remove dead case.
10970 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10972 * configure.ac (TLS assembler check): Do not enable TLS by
10973 default on SPARC/Solaris before version 10.
10974 * configure: Regenerate.
10976 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10978 * doc/invoke.texi (xl-compat): Document conversion and support
10981 2006-02-07 Jeff Law <law@redhat.com>
10983 * tree-vrp.c (find_conditional_asserts): Update comments.
10984 (simplify_stmt_for_jump_threading): New.
10985 (identify_jump_threads, finalize_jump_threads): New.
10986 (vrp_finalize): Call identify_jump_threads.
10987 (execute_vrp): Call finalize_jump_threads.
10988 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10989 (vrp_element, vrp_data, vrp_element_p): Remove.
10990 (vrp_hash_elt, vrp_variables_stack): Remove.
10991 (vrp_hash, vrp_eq, record_range): Remove.
10992 (simplify_cond_and_lookup_avail_expr): Remove.
10993 (extract_range_from_cond): Remove.
10994 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10995 (simplify_stmt_for_jump_threading): New.
10996 (dom_thread_across_edge): New wrapper.
10997 (tree_ssa_dominator_optimize): No longer initialize or
10998 finalize any of the VRP datastructures. Remove iteration
10999 step and simplify as a result of removal of iteration step.
11000 (pass_dominator): Perform a cfg cleanup after DOM.
11001 (dom_opt_finalize_block): Use the new common routines
11002 for threading jumps. Simplify stack management slightly.
11003 No longer need to unwind VRP state.
11004 (record_equivalences_from_incoming_edge): No longer record
11006 (eliminate_redundant_computations): No longer call
11007 simplify_cond_and_lookup_avail_expr.
11008 * tree-flow.h (potentially_threadable_block): Prototype.
11009 (thread_across_edge): Likewise.
11010 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11011 (tree-ssa-threadedge.o): Add dependencies.
11012 * tree-ssa-threadedge.c: New file.
11013 * passes.c (init_optimization_passes): Merge PHIs before
11014 calling VRP. Run VRP again late in the SSA optimization pipeline.
11016 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11018 * df-core.c (df_set_blocks): Do not dereference function pointers.
11019 (df_finish1): Likewise.
11020 (df_hybrid_search_forward): Likewise.
11021 (df_hybrid_search_backward): Likewise.
11022 (df_iterative_dataflow): Likewise.
11023 (df_analyze_problem): Likewise.
11024 (df_compact_blocks): Likewise.
11025 (df_dump): Likewise.
11026 * df-scan.c (df_rescan_blocks): Likewise.
11027 (df_record_entry_block_defs): Likewise.
11029 * genconditions.c (write_conditions): Guard the definition of
11030 'insn_conditions' with the check on GCC version.
11031 (write_writer): Guard the traversal 'insn_conditions' with
11032 the check on GCC version.
11034 2006-02-07 Richard Guenther <rguenther@suse.de>
11038 2006-01-30 Richard Guenther <rguenther@suse.de>
11040 * gimplify.c (gimplify_target_expr): Handle easy cases
11041 without creating a temporary.
11043 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11045 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11046 use of float in probability computations. Use edge probabilities
11047 in place of statically computed probabilities.
11048 (min_spec_prob): New static variable.
11049 (schedule_insns): Initialize it.
11050 (GET_SRC_PROB): Removed.
11051 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11053 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11056 * config/ia64/unwind-ia64.c: Revert last change.
11057 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11058 (INCOMING_FRAME_SP_OFFSET): Define.
11060 2006-02-06 Roger Sayle <roger@eyesopen.com>
11062 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11064 2006-02-07 Ben Elliston <bje@au.ibm.com>
11066 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11067 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11068 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11069 (ix86_return_in_memory): Handle TDmode.
11070 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11071 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11073 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11075 * reorg.c (dbr_schedule): Use dump_file instead of file.
11077 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11080 * config/ia64/predicates.md (extr_len_operand): New predicate.
11081 * config/ia64/ia64.md (extv): Tighten constraints.
11083 (*tbit_and_2): Ditto.
11084 (*tbit_and_3): Ditto.
11085 (*tbit_or_2): Ditto.
11086 (*tbit_or_3): Ditto.
11087 (*bit_zero): Ditto.
11090 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11093 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11095 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11097 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11098 loop_optimizer_init and loop_optimizer_finalize
11099 * tree-ssa-sink.c (execute_sink_code): Ditto.
11100 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11101 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11102 tree_ssa_loop_done): Ditto.
11103 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11104 * sched-ebb.c: Include output.h.
11105 (schedule_ebbs): Do not use dump argument.
11106 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11107 * loop.c (loop_dump_stream): Removed.
11108 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11110 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11111 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11112 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11113 loop_iterations, strength_reduce, record_biv, record_giv,
11114 final_giv_value, check_final_value, check_ext_dependent_givs,
11115 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11116 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11117 dump_file instead of loop_dump_stream.
11118 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11119 argument dump_file.
11120 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11122 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11123 * haifa-sched.c: Include output.h
11124 (schedule_insns, sched_init): Do not use dump argument.
11125 * mode-switching.c (optimize_mode_switching): Ditto.
11126 * modulo-sched.c (stats_file): Removed.
11127 (print_node_sched_params): Do not call argument dump_file.
11128 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11129 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11131 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11133 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11134 rtl_loop_init, rtl_loop_done): Ditto.
11135 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11136 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11138 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11139 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11140 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11141 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11142 * emit-rtl.c (renumber_insns): Ditto.
11143 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11144 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11145 * regclass.c (regclass): Ditto.
11146 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11147 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11148 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11149 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11151 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11152 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11154 * gcse.c (gcse_file, debug_stderr): Removed.
11155 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11156 rest_of_handle_gcse): Do not use dump argument.
11157 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11158 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11159 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11160 compute_code_hoist_vbeinout, compute_code_hoist_data,
11161 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11162 compute_store_table, build_store_vectors, insert_insn_start_bb,
11163 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11164 store_motion): Use dump_file instead of gcse_file.
11165 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11166 * profile.c (profile_dump_file): Removed.
11167 (branch_prob): Use dump_file instead of profile_dump_file.
11168 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11170 * tree-ssa-copy.c (dump_copy_of): Ditto.
11171 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11172 dump file to life_analysis.
11173 * bt-load.c (branch_target_load_optimize): Ditto.
11174 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11176 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11177 regclass, dbr_schedule): Declaration changed.
11178 * sched-int.h (sched_init): Declaration changed.
11179 * tree-profile.c (tree_profile_dump_file): Removed.
11180 (tree_profile_hooks): Removed profile_dump_file hook.
11181 * rtl-profile (rtl_profile_dump_file): Removed.
11182 (rtl_profile_hooks): emoved profile_dump_file hook.
11183 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11185 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11186 * tree-cfg.c (build_tree_cfg): Ditto.
11187 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11188 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11189 Declaration changed.
11190 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11191 life_analysis and schedule_insns.
11192 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11194 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11196 * config/mips/mips.c (mips_reorg): Ditto.
11197 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11200 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11202 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11203 (s390_mangle_fundamental_type): New.
11204 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11207 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11208 (alpha_mangle_fundamental_type): New.
11209 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11212 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11214 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11216 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11217 (sparc_mangle_fundamental_type): New.
11219 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11221 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11222 (s390x-*-linux*): Likewise.
11223 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11224 * config/s390/t-linux: New file.
11226 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11228 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11229 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11231 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11233 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11234 (ANTIC_SAFE_LOADS): New macro.
11235 (find_or_generate_expression): Add prototype.
11236 (set_contains_value): Allow null set for sake of not always having
11237 to allocate ANTIC_SAFE_LOADS.
11238 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11239 Allow COMPONENT_REF too.
11240 (valid_in_set): Allow COMPONENT_REF.
11241 Check ANTIC_SAFE_LOADS too.
11242 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11243 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11245 (can_PRE_operation): Add COMPONENT_REF.
11246 (create_component_ref_by_pieces): New function.
11247 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11248 (insert_aux): Move AGGREGATE_TYPE_P check here.
11249 (compute_avail): Set bb local stmt uids.
11250 (pass_pre): Use TODO_update_ssa_only_virtuals.
11252 2006-02-06 Ben Elliston <bje@au.ibm.com>
11254 * configure.ac: Unconditionally disable decimal float by default.
11255 * configure: Regenerate.
11257 2006-02-06 Ben Elliston <bje@au.ibm.com>
11259 * read-rtl.c (read_name): Terminate reading on EOF.
11261 2006-02-06 Ben Elliston <bje@au.ibm.com>
11263 * dfp.c (decimal_real_arithmetic): Change second argument type
11264 from int to enum tree_code. Do not always return true, but now
11265 return result of any call to decimal_do helper functions.
11266 * dfp.h (decimal_real_arithmetic): Update prototype.
11268 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11270 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11272 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11275 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11278 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11280 * tree-vrp.c (cfg_loops): Removed.
11281 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11282 Use current_loops instead of cfg_loops. Pass flags to
11283 loop_optimizer_init.
11284 * cfgloopmanip.c (fix_loop_structure): Update only available
11286 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11287 loop_optimizer_init.
11288 * modulo-sched.c (build_loops_structure): Removed.
11289 (sms_schedule): Use loop_optimizer_init.
11290 * loop-init.c (loop_optimizer_init): Use flags to determine
11291 which properties of loops to prepare.
11292 (rtl_loop_init): Pass flags to loop_optimizer_init.
11293 * tree-ssa-sink.c (execute_sink_code): Ditto.
11294 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11295 * tree-ssa-pre.c (init_pre): Ditto.
11296 * cfgloop.h (LOOPS_NORMAL): New.
11297 (loop_optimizer_init): Declaration changed.
11299 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11301 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11302 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11304 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11306 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11308 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11309 * pa/t-pa64: Delete quadlib.c rule.
11310 * pa/x-ada: Revert last change.
11311 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11313 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11315 PR rtl-optimization/26087
11316 * rtlanal.c (canonicalize_condition): Do not cross basic block
11319 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11322 * config/ia64/ia64.c: Include debug.h.
11323 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11324 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11325 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11326 (process_epilogue, process_set, process_for_unwind_directive):
11327 Output unwind info only if requested. Add CFA info if requested.
11328 Add new arguments as needed. Adjust callers.
11329 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11331 (DWARF2_FRAME_INFO): Define to zero.
11332 * config/ia64/unwind-ia64.c: Remove code that compensated for
11333 the CFA offset error fixed above.
11334 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11335 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11336 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11337 -funwind-tables and -fexceptions to enable frame info.
11338 (dwarf2out_frame_init): Define initial CFA even if
11339 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11340 DWARF2_UNWIND_INFO is nonzero, not just defined.
11341 (dwarf2out_frame_finish): Output non-EH call frame info only
11342 if DWARF2_FRAME_INFO is nonzero.
11343 (convert_cfa_to_loc_list,
11344 compute_frame_pointer_to_cfa_displacement): Define even if
11345 unwind info is not supported.
11346 (gen_subprogram_die): Use the above unconditionally. Remove
11347 legacy alternate code.
11348 * toplev.c (compile_file): Compile in call to
11349 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11350 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11352 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11353 Jakub Jelinek <jakub@redhat.com>
11355 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11356 IBM extended float format long double as "g" on powerpc*-linux.
11358 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11361 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11362 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11364 2006-02-03 Jason Merrill <jason@redhat.com>
11367 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11369 PR middle-end/25977
11370 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11371 on the return slot if it's an NRV.
11373 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11375 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11376 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11377 rewrite_use): Do not handle USE_OUTER.
11378 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11379 add_iv_outer_candidates, may_replace_final_value,
11380 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11381 (find_interesting_uses_op): Functionality of
11382 find_interesting_uses_outer_or_nonlin moved here.
11383 (find_interesting_uses_outside): Use find_interesting_uses_op.
11385 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11388 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11390 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11391 Ulrich Weigand <uweigand@de.ibm.com>
11394 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11395 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11396 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11397 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11399 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11400 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11401 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11402 Define secondary reloads for TFmode moves.
11403 (constant_modes): Add TFmode.
11404 (NR_C_MODES): Set to 8.
11405 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11407 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11408 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11409 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11410 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11411 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11412 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11413 (FPR mode macro): Add TFmode.
11414 (DSF mode macro): New.
11415 (<de>, <dee> mode attributes): Removed.
11416 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11417 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11418 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11419 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11420 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11421 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11422 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11423 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11424 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11425 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11426 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11427 "*negabs<mode>2", "sqrt<mode>2"):
11428 Changed <de> to <xde>. R constraint replaced by <Rf>.
11429 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11431 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11432 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11433 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11435 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11436 "extenddftf2", "extendsftf2"): New expanders.
11437 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11438 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11439 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11440 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11442 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11443 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11444 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11445 __floatditf): Add a GCC_4.1.0 symbol version tag.
11446 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11449 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11452 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11453 Use targetm.binds_local_p instead of TREE_PUBLIC.
11455 2006-02-02 Roger Sayle <roger@eyesopen.com>
11457 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11458 on INTEGER_TYPEs to indicate that it denotes a character type.
11459 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11460 signed_char_type_node, unsigned_char_type_node and char_type_node.
11461 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11462 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11463 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11465 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11466 Daniel Berlin <dberlin@dberlin.org>
11468 * tree-tailcall.c (arg_needs_copy_p): New function.
11469 (eliminate_tail_call): Use arg_needs_copy_p.
11470 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11471 (add_virtual_phis): New function.
11473 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11475 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11476 #ignore instead of #scratch for %g7 .register directive.
11478 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11480 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11483 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11485 * flow.c (calculate_global_regs_live): Assert that there aren't any
11488 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11490 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11491 what its name says.
11492 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11493 bsi_after_labels iterator.
11494 * tree-if-conv.c (find_phi_replacement_condition,
11495 replace_phi_with_cond_modify_expr): Likewise.
11496 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11497 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11499 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11501 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11503 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11506 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11507 array after growing it.
11509 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11511 PR middle-end/24901
11512 * fold-const.c (fold_checksum_tree): Change type of buf.
11514 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11516 * reload.c (push_secondary_reload): Initialize t_icode.
11518 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11520 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11521 -msoft-float -mlong-double-128 only issue a warning, but don't
11522 swich to DFmode long double.
11524 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11526 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11527 has a constant equivalent, iterate over equivalents for arg0,
11528 calling simplify_relational_operation and if there's a result
11529 cheaper than X, apply fold_rtx and return the result.
11531 2006-02-01 Jan Hubicka <jh@suse.cz>
11533 * opts.c (no_unit_at_a_time_default): New global variable.
11534 (decode_options): Use it.
11535 * opts.h (no_unit_at_a_time_default): Declare.
11537 2006-02-01 Paul Brook <paul@codesourcery.com>
11539 * function.c (assign_parm_setup_reg): Use function argument promotion
11541 * expr.c (expand_expr_real_1): Use function argument promotion rules
11544 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11546 * gcc.c (process_command): Change j to 'unsigned int'.
11548 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11550 PR middle-end/26001
11551 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11552 Use the corrected index for the character
11553 out of the string constant.
11555 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11557 * mode-switching.c (optimize_mode_switching): Fix size
11558 allocated for bb_info[n_entities].
11560 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11562 * gcc.c (main): Correct type that is allocated for
11563 explicit_link_files.
11565 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11567 * config/s390/s390.c (init_alignment_context): Set
11568 ALIAS_SET_MEMORY_BARRIER on the MEM.
11569 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11571 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11573 PR middle-end/25933
11574 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11576 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11579 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11581 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11582 * regrename.c: Ditto.
11583 * tree-ssa-loop-im.c: Ditto.
11584 * tree-dump.c: Ditto.
11585 * tree-complex.c: Ditto.
11586 * genrecog.c: Ditto.
11587 * tree-ssa-threadupdate.c: Ditto.
11589 * java/class.c: Ditto.
11590 * java/jcf-parse.c: Ditto.
11591 * java/resource.c: Ditto.
11592 * java/except.c: Ditto.
11593 * java/jvspec.c: Ditto.
11594 * java/jcf-write.c: Ditto.
11595 * java/jcf-path.c: Ditto.
11596 * java/gjavah.c: Ditto.
11597 * java/zextract.c: Ditto.
11598 * java/jcf-io.c: Ditto.
11599 * java/jcf.h: Ditto.
11600 * java/buffer.c: Ditto.
11601 * java/lang.c: Ditto.
11602 * java/parse-scan.y: Ditto.
11603 * java/lex.c: Ditto.
11604 * java/lex.h: Ditto.
11605 * cfgloopmanip.c: Ditto.
11606 * postreload-gcse.c: Ditto.
11607 * tree-ssa-loop-manip.c: Ditto.
11608 * postreload.c: Ditto.
11609 * tree-ssa-loop-ch.c: Ditto.
11612 * cppspec.c: Ditto.
11613 * diagnostic.c: Ditto.
11615 * genoutput.c: Ditto.
11617 * cfghooks.c: Ditto.
11618 * cfgloopanal.c: Ditto.
11619 * objc/objc-act.c: Ditto.
11621 * genextract.c: Ditto.
11622 * genautomata.c: Ditto.
11623 * pretty-print.c: Ditto.
11624 * genemit.c: Ditto.
11625 * cgraphunit.c: Ditto.
11627 * df-scan.c: Ditto.
11628 * haifa-sched.c: Ditto.
11629 * dominance.c: Ditto.
11631 * tree-ssa-loop-ivopts.c: Ditto.
11632 * df-core.c: Ditto.
11633 * mode-switching.c: Ditto.
11634 * modulo-sched.c: Ditto.
11636 * ipa-pure-const.c: Ditto.
11638 * fix-header.c: Ditto.
11640 * tree-stdarg.c: Ditto.
11641 * ipa-utils.c: Ditto.
11642 * loop-init.c: Ditto.
11643 * ipa-inline.c: Ditto.
11644 * cfganal.c: Ditto.
11646 * alloc-pool.c: Ditto.
11647 * dwarf2out.c: Ditto.
11649 * genattrtab.c: Ditto.
11650 * tree-ssa-loop-ivcanon.c: Ditto.
11651 * predict.c: Ditto.
11652 * timevar.c: Ditto.
11654 * fortran/gfortranspec.c: Ditto.
11655 * regmove.c: Ditto.
11656 * local-alloc.c: Ditto.
11657 * langhooks.c: Ditto.
11658 * function.c: Ditto.
11659 * tree-vectorizer.c: Ditto.
11661 * ipa-type-escape.c: Ditto.
11663 * tree-if-conv.c: Ditto.
11664 * profile.c: Ditto.
11666 * tree-data-ref.c: Ditto.
11667 * loop-unroll.c: Ditto.
11668 * treelang/treetree.c: Ditto.
11670 * bt-load.c: Ditto.
11671 * ggc-common.c: Ditto.
11673 * coverage.c: Ditto.
11675 * tree-cfgcleanup.c: Ditto.
11676 * tree-ssa-pre.c: Ditto.
11677 * cfgcleanup.c: Ditto.
11678 * loop-invariant.c: Ditto.
11679 * loop-iv.c: Ditto.
11680 * ipa-prop.c: Ditto.
11681 * print-tree.c: Ditto.
11682 * conflict.c: Ditto.
11683 * ggc-page.c: Ditto.
11684 * sched-deps.c: Ditto.
11685 * regclass.c: Ditto.
11686 * tree-object-size.c: Ditto.
11687 * combine.c: Ditto.
11688 * bb-reorder.c: Ditto.
11689 * resource.c: Ditto.
11690 * var-tracking.c: Ditto.
11691 * cfgloop.c: Ditto.
11692 * df-problems.c: Ditto.
11693 * reg-stack.c: Ditto.
11695 * gccspec.c: Ditto.
11696 * sched-rgn.c: Ditto.
11697 * tree-ssa-structalias.c: Ditto.
11698 * tree-ssa-reassoc.c: Ditto.
11699 * config/darwin-c.c: Ditto.
11700 * config/darwin.c: Ditto.
11701 * config/arm/arm.c: Ditto.
11703 * collect2.c: Ditto.
11704 * reload1.c: Ditto.
11706 2006-01-31 Nicolas Pitre <nico@cam.org>
11708 * arm.md (smaxsi3): Make aware of smax_m1.
11711 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11713 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11715 2006-01-31 Richard Guenther <rguenther@suse.de>
11717 * doc/invoke.texi (-msselibm): Document.
11718 * target.h (expand_library_builtin): New target hook.
11719 * builtins.c (expand_builtin): Use expand_library_builtin.
11720 (default_expand_library_builtin): New function.
11721 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11722 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11723 (link_gcc_math_spec): Declare.
11724 (static_specs): Add link_gcc_math_spec.
11725 * expr.h (default_expand_library_builtin): Declare.
11726 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11727 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11728 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11729 * config/i386/i386.opt (msselibm): New target option.
11730 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11731 (ix86_init_sse_abi_builtins): New function.
11732 (ix86_expand_library_builtin): Likewise.
11733 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11734 (override_options): Handle error conditions wrt -msselibm.
11735 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11736 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11737 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11740 2006-01-31 Richard Guenther <rguenther@suse.de>
11741 Paolo Bonzini <bonzini@gnu.org>
11743 * doc/install.texi (--disable-libgcc-math): Document.
11745 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11747 * expr.h (expand_normal): new inline function.
11748 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11749 * dojump.c: use it.
11750 * dwarf2out.c: use it.
11753 * expmed.c: use it.
11754 * except.c: use it.
11755 * config/sparc/sparc.c: use it.
11756 * config/i386/i386.c: use it.
11757 * config/rs6000/rs6000.c: use it.
11758 * config/arm/arm.c: use it.
11759 * config/mips/mips.c: use it.
11760 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11762 2006-01-30 Roger Sayle <roger@eyesopen.com>
11764 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11765 argv to the appropriate type.
11767 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11769 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11772 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11775 * config/s390/s390.c (struct machine_function): New flag
11776 decomposed_literal_pool_addresses_ok_p.
11777 (s390_reorg): Set it before final stage of literal pool transforms.
11778 (s390_decompose_address): Only accept displacements of the form
11779 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11781 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11783 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11784 the comparison routine return.
11786 2006-01-30 Michael Matz <matz@suse.de>
11788 * global.c (find_reg): Only evict for global regs.
11789 Take n_refs into account and dump more info.
11791 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11794 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11795 (pragma_trap, pragma_nosave_low_regs): Likewise.
11796 (current_function_anonymous_args): Likewise.
11797 (sh_deferred_function_attributes): New variable.
11798 (sh_deferred_function_attributes_tail): Likewise.
11799 (print_operand): For '@', look up trap_exit attribute.
11800 (calc_live_regs): Look up trapa_handler attribute. For trapa
11801 handlers, save/restore fpscr, but don't do any other
11802 interrupt-specific saves.
11803 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11804 Fix check for partially saved registers to check for SHmedia.
11805 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11806 (sh_output_function_epilogue): Don't clear any of the removed
11808 (sh_insert_attributes): Don't check pragma_interrupt.
11809 Insert deferred attributes. Check that interrupt attribute is
11810 present for other attributes that require its presence.
11811 (sh_attribute_table): Add new attributes trapa_handler and
11813 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11814 Don't check for pragma_interrupt. Don't store argument.
11815 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11816 (sh_deferred_function_attributes): Declare.
11817 (sh_deferred_function_attributes_tail): Likewise.
11818 * sh.md (sp_switch_1): Add operand. Change generator caller.
11819 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11820 (*return_i): Don't use when trap_exit attribute is in effect.
11821 (*return_trapa): New insn pattern.
11822 * sh-c.c: New file.
11823 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11824 setting c_target_objs and cxx_target_objs.
11825 * t-sh: Add rule for sh-c.o.
11827 2006-01-30 Richard Guenther <rguenther@suse.de>
11830 * gimplify.c (gimplify_target_expr): Handle easy cases
11831 without creating a temporary.
11833 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11835 * vec.h (safe_grow): Remove duplicated line.
11837 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11840 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11841 (expand_omp): ... here.
11842 (expand_omp_parallel): Only remove barriers for combined
11843 parallel+workshare constructs.
11845 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11849 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11850 * tree.c (build_qualified_type): Chain the new type to the original
11851 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11852 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11853 (build_pointer_type_for_mode): Only return unqualified types.
11854 (build_reference_type_for_mode): Likewise.
11856 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11858 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11859 * Makefile.in (CXX_COMPAT_WARN): Define.
11860 * configure: Regenerate.
11862 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11865 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11868 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11870 * toplev.c: Fix thinko.
11872 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11873 Marcin Dalecki <martin@dalecki.de>
11875 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11876 (push_srcloc): Use XNEW.
11877 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11879 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11881 * df-core.c (df_set_blocks): Deleted all variable.
11883 2006-01-28 Ian Lance Taylor <ian@airs.com>
11885 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11886 cgraph_output_pending_asms.
11888 2006-01-28 Zack Weinberg <zackw@panix.com>
11890 * c.opt: Add -W(no-)overlength-strings.
11891 * doc/invoke.texi: Document it.
11892 * c-opts.c (c_common_handle_option): -pedantic implies
11893 -Woverlength-strings, if not explicitly disabled already.
11894 (c_common_post_options): -Woverlength-strings defaults to off, and
11895 is always off for C++.
11896 * c-common.c (fix_string_type): Issue warning about strings longer
11897 than is portable only if warn_overlength_strings. Rearrange code
11898 a little for clarity.
11899 * configure.in: Check for -Wno-overlength-strings as well before
11900 enabling -pedantic in stage 1.
11901 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11902 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11904 * genconditions.c (write_header, write_one_condition)
11905 (write_conditions, write_writer): Consolidate very long strings
11906 that were broken up to fit in C89 portable limit. Don't use
11907 printf when fputs will do.
11909 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11911 * combine.c (simplify_comparison <AND>): Check
11912 TRULY_NOOP_TRUNCATION before start using a subreg.
11914 * config/mips/mips.md (*branch_zero<mode>,
11915 *branch_zero<mode>_inverted, *branch_equality<mode>,
11916 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11917 Remove mode check from comparisons.
11919 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11921 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11923 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11925 * expmed.c (const_mult_add_overflow_p): Remove.
11926 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11928 * recog.c (validate_replace_rtx_subexp): Remove.
11929 * recog.h: Remove the prototype for
11930 validate_replace_rtx_subexp.
11932 * integrate.h: Remove the prototype for
11933 copy_decl_for_inlining.
11934 * rtl.h: Remove the prototype for mark_constant_function.
11935 * tree-vectorizer.h: Remove the prototype for
11936 vect_strip_conversion.
11938 * modulo-sched.c (create_partial_schedule,
11939 free_partial_schedule, reset_partial_schedule): Make them
11942 * hooks.c (hook_bool_rtx_int_false): Remove.
11943 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11945 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11947 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11948 and -mlong-double-128 are incompatible.
11949 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11950 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11951 (TARGET_LIBGCC2_CFLAGS): Define.
11952 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11953 (TARGET_LIBGCC2_CFLAGS): Same.
11954 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11956 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11959 * c-typeck.c (build_binary_op): Perform implicit casts of
11960 operands before shortening them.
11962 * cfgloopmanip.c (split_loop_bb): Remove.
11963 * cfgloop.h: Remove the prototype for split_loop_bb.
11965 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11966 * cfgloop.h: Remove the prototype for
11967 flow_loop_outside_edge_p.
11969 * emit-rtl.c (init_virtual_regs): Make it static.
11970 * function.h: Remove the prototype for init_virtual_regs.
11972 * recog.c (peephole2_optimize): Make it static.
11973 * recog.h: Remove the prototype for peephole2_optimize.
11975 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11977 * df-scan.c (df_record_entry_block_defs): Check if
11978 INCOMING_RETURN_ADDR_RTX is defined.
11980 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11981 Kenneth Zadeck <zadeck@naturalbridge.com>
11983 PR rtl-optimization/24762
11984 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11985 * targhooks.c (hook_void_bitmap): New hook prototype.
11986 * targhoohs.h (hook_void_bitmap): Ditto.
11987 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11988 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11989 * target.h (live_on_entry): New function pointer.
11990 * df-scan.c (df_all_hard_regs): Removed.
11991 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11992 (df_scan_free_internal): Added df->entry_block_defs.
11993 (df_scan_alloc): Ditto.
11994 (df_scan_dump): Ditto.
11995 (df_uses_record): Plumbed flag field properly thru calls.
11996 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11997 This part fixes PR24762.
11998 (df_bb_refs_record): Added code to make the frame and arg
11999 pointers live in EH blocks.
12000 (df_refs_record): Added call to df_record_entry_block_defs.
12001 (df_record_entry_block_defs): New function.
12002 * df-core.c: Added comments to describe new artifical defs.
12003 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12004 (entry_block_defs): New field in struct df.
12005 (df_all_hard_regs): Deleted.
12006 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12007 * df-problems.c (df_ru_bb_local_compute_process_def):
12008 Added code to handle artifical defs in the entry to a function.
12009 (df_ru_bb_local_compute): Ditto.
12010 (df_rd_bb_local_compute_process_def): Ditto.
12011 (df_rd_bb_local_compute): Ditto.
12012 (df_lr_bb_local_compute): Ditto.
12013 (df_ur_bb_local_compute): Ditto.
12014 (df_urec_bb_local_compute): Ditto.
12015 (df_chain_create_bb): Ditto.
12016 (df_ur_local_finalize): Removed entry.
12017 (df_urec_init): Ditto.
12018 (df_urec_local_finalize): Ditto.
12019 (df_ri_bb_compute): Added detection of last use of pseudos.
12020 * Makefile.in (df-scan.o): Updated dependencies.
12021 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12022 * config/mips/mips.c (mips_set_live_on_entry): Added.
12023 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12025 * dce.c (marked_insn_p): Added code to handle artifical defs.
12027 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12029 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12031 (_mm_cvtsi128_si64): Likewise.
12032 (_mm_cvtsd_si64): Likewise.
12033 (_mm_cvttsd_si64): Likewise.
12034 (_mm_cvtsi64_sd): Likewise.
12035 (_mm_cvtsi64_si128): Likewise.
12036 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12037 (_mm_cvtsi64_m64): Likewise.
12038 (_m_to_int64): Likewise.
12039 (_mm_cvtm64_si64): Likewise.
12040 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12041 (_mm_cvttss_si64): Likewise.
12042 (_mm_cvtsi64_ss): Likewise.
12043 (_mm_cvtss_f32): Likewise.
12045 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12047 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12048 for pragma redefine_extname.
12050 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12053 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12054 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12055 -mno-minimal-toc to previous content.
12056 (bispecs): Remove goal.
12057 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12058 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12059 compatibility aliases on powerpc-*-*gnu*.
12060 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12061 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12062 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12063 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12064 (ldblspecs): New goal.
12065 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12066 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12068 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12069 L_sf_to_tf or L_df_to_tf is defined.
12071 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12072 Alan Modra <amodra@bigpond.net.au>
12075 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12076 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12077 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12078 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12079 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12080 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12081 (rs6000_override_options): Initialize rs6000_ieeequad.
12082 Initialize TFmode format to ibm_extended_format if not
12084 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12086 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12087 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12088 (function_arg_advance): IBM long double passed in two FPRs, not
12090 (function_arg): IBM long double passed in FPRs.
12091 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12092 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12093 Only multireg GPR aligned.
12094 (rs6000_init_libfuncs): Enable IBM long double functions if not
12096 (rs6000_generate_compare): Use IBM long double compare if not
12098 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12099 (TARGET_IEEEQUAD): Define.
12100 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12101 not TARGET_IEEEQUAD.
12102 * config/rs6000/rs6000.md: Enable TFmode patterns if
12104 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12105 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12106 and -mlong-double-128 are incompatible.
12107 * doc/invoke.texi (-mabi): Collect options together. Add
12108 ibmlongdouble and ieeelongdouble.
12110 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12112 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12114 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12115 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12116 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12117 * rtl.h (rtunion_def): Remove rt_ptr.
12119 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12120 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12121 * config/i386/winnt.c (i386_pe_mark_dllexport)
12122 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12124 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12126 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12128 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12132 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12133 pthread_key_delete. From John David Anglin. gthrw-ify
12134 pthread_getunique_np only if it it's not a macro. Delete
12136 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12137 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12138 __gthread_objc_condition_signal, __gthread_key_delete): Add
12139 "__attribute__ ((__unused__))" to unused arguments.
12140 (__gthread_recursive_mutex_init_function): Add missing return.
12141 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12142 gthr-posix95.h: Use macro-based approach for name redirection
12143 on targets missing weakref.
12145 2006-01-26 Zack Weinberg <zackw@panix.com>
12147 * genconditions.c (write_header): In generated code, #ifdef out
12148 all includes and fake declarations, except includes of bconfig.h
12149 and system.h, unless GCC_VERSION >= 3001. Do not include
12150 gensupport.h in any case.
12151 (write_conditions): Generate a definition of struct c_test. Add
12152 a comment to the generated #endif.
12153 (write_one_condition): Escape backslashes in string too.
12154 (write_writer): Generated code must escape backslashes and quote
12155 marks (but not newlines) in the strings it writes.
12156 * Makefile.in (build/gencondmd.o): Update dependencies.
12158 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12161 * Makefile.in (insn-automata.o): Add header file dependencies.
12162 * genautomata.c: Add includes.
12164 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12167 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12169 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12171 * configure.ac: Expect target tools paths to be passed from the toplevel
12172 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12174 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12176 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12179 * c.opt (Wpointer-sign): Init to -1.
12180 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12181 OPT_pedantic, to 0 otherwise.
12182 * doc/invoke.texi: Update.
12184 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12186 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12187 constants provided by 80387 instructions in the destination mode.
12189 2006-01-26 Richard Guenther <rguenther@suse.de>
12190 Andrew Pinski <pinskia@physics.uc.edu>
12193 partial PR tree-opt/17064
12194 * tree-ssa-structalias.c (intra_create_variable_infos):
12195 Create heap variables for incoming parameters if
12196 flag_argument_noalias > 1.
12197 (find_what_p_points_to): Look through default defs of
12200 2006-01-26 Jeff Law <law@redhat.com>
12203 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12204 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12205 within the VR_RANGE, use the VR_RANGE as the result, not the
12207 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12208 bounds for the type.
12210 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12212 * tree-ssa-alias.c (maybe_create_global_var): Change
12213 subvar walking to an assertion that we don't have subvar'd variables.
12215 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12218 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12219 Use a new variable, inner. PARM_DECLs are always non-weak.
12221 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12223 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12224 --disable-checking.
12226 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12228 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12230 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12232 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12233 (smax_insn, smin_insn, smax_0, smin_0): New.
12235 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12238 * config/cris/cris.c (cris_order_for_addsi3): New function.
12239 * config/cris/cris-protos.h: Prototype it.
12240 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12241 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12242 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12243 (split for "op.S1 [rx=rx+i],ry (swapped)")
12244 (split for "op(s|u).S1 [rx=rx+i],ry")
12245 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12246 Apply cris_order_for_addsi3 when generating addsi3 insns.
12248 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12250 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12251 (TREE_BLOCK): Add call to EXPR_CHECK.
12253 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12256 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12257 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12258 (dump_omp_clauses): ... here.
12259 (dump_generic_node): Handle OMP_CLAUSE.
12260 * tree.c (omp_clause_num_ops): New.
12261 (omp_clause_code_name): New.
12262 (tree_code_size): Handle OMP_CLAUSE.
12263 (tree_size): Likewise.
12264 (make_node): Document handling of OMP_CLAUSE.
12265 (tree_node_structure): Handle OMP_CLAUSE.
12266 (omp_clause_check_failed): New.
12267 (omp_clause_range_check_failed): New.
12268 (omp_clause_operand_check_failed): New.
12269 (build_omp_clause): New.
12270 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12271 * tree.h (enum omp_clause_code): Declare.
12272 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12273 (OMP_CLAUSE_RANGE_CHECK): Define.
12274 (OMP_CLAUSE_ELT_CHECK): Define.
12275 (omp_clause_check_failed): Declare.
12276 (omp_clause_operand_check_failed): Declare.
12277 (omp_clause_range_check_failed): Declare.
12278 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12279 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12280 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12281 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12282 (OMP_CLAUSE_IF_EXPR): Likewise.
12283 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12284 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12285 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12286 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12287 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12288 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12289 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12290 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12291 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12292 (OMP_CLAUSE_CODE): Define.
12293 (OMP_CLAUSE_SET_CODE): Define.
12294 (OMP_CLAUSE_CODE): Define.
12295 (OMP_CLAUSE_OPERAND): Define.
12296 (struct tree_omp_clause): Declare.
12297 (union tree_node): Add field 'omp_clause'.
12298 * treestruct.def (TS_OMP_CLAUSE): Define.
12299 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12300 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12301 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12302 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12303 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12304 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12305 (OMP_CLAUSE): Define.
12306 * print-tree.c (print_node): Handle OMP_CLAUSE.
12307 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12308 * c-typeck.c: Likewise.
12309 * gimplify.c: Likewise.
12310 * c-omp.c: Likewise.
12311 * tree-nested.c: Likewise.
12312 * tree-inline.c: Likewise.
12313 * c-parser.c: Likewise.
12314 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12317 2006-01-25 Roger Sayle <roger@eyesopen.com>
12319 PR rtl-optimization/25703
12320 * combine.c (try_combine): Handle zero_extract and strict_low_part
12321 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12323 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12325 * global.c: Fix comment typos.
12327 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12330 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12331 Use output_addr_const instead of assemble_name.
12333 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12335 * Makefile.in (sched-vis.o): Update dependencies.
12336 * haifa-sched.c (sched_finish): Clear current_sched_info.
12337 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12338 (dump_flow_info): Call it.
12339 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12341 * basic-block.h (dump_bb_info): Declare.
12342 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12343 option, and apply options only for dump files whose TDF_RTL,
12344 TDF_TREE, or TDF_IPA bits match.
12345 * rtl.h: Declare new functions exported from sched-vis.c.
12346 * sched-vis.c: Enable also if scheduling is not used.
12347 (print_value): Print the mode of registers if not inside scheduling.
12348 (print_insn): Make it work outside the scheduler. Beautify the output
12350 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12352 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12354 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12355 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12356 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12357 depending on the value of CONSTANT_POOL_ADDRESS_P.
12358 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12360 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12361 rather than SYMBOL_REF_DECL.
12362 (rtx_constant_pool): Remove const_rtx_sym_htab.
12363 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12364 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12365 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12366 Remove handling of const_rtx_sym_htab.
12367 (find_pool_constant): Delete.
12368 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12369 rather than find_pool_constant.
12370 (get_pool_constant_for_function): Delete.
12371 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12372 find_pool_constant.
12373 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12374 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12375 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12376 (SYMBOL_REF_CONSTANT): New macro.
12377 (get_pool_constant_for_function): Delete.
12378 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12379 rather than SYMBOL_REF_DECL.
12380 (i386_pe_mark_dllimport): Likewise.
12381 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12382 rather than SYMBOL_REF_DECL.
12383 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12384 (machopic_indirect_call_target): Likewise.
12386 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12388 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12390 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12392 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12394 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12396 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12398 2006-01-24 David Daney <ddaney@avtrex.com>
12401 * configure.ac (enable_tls): New enable option.
12402 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12403 * configure: Regenerate.
12404 * doc/install.texi (--enable-tls): Document new option.
12405 (--disable-tls): Ditto.
12407 2006-01-24 Richard Henderson <rth@redehat.com>
12409 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12410 * alias.c (true_dependence): Respect it.
12411 (canon_true_dependence, write_dependence_p): Likewise.
12412 * builtins.c (get_builtin_sync_mem): Set it.
12414 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12416 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12419 2006-01-24 DJ Delorie <dj@redhat.com>
12421 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12422 for storing constants in single-bit bitfields.
12424 2006-01-25 Ben Elliston <bje@au.ibm.com>
12426 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12428 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12431 * tree-ssa-pre.c (phi_translate): Return NULL
12432 for AGGREGATE_TYPE's.
12434 2006-01-24 Zack Weinberg <zackw@panix.com>
12436 * genautomata.c (process_state_for_insn_equiv_partition):
12437 Use xcalloc for insn_arcs_array.
12438 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12439 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12441 2006-01-24 Richard Henderson <rth@redhat.com>
12443 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12444 update all callers.
12446 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12448 PR rtl-optimization/25890
12449 PR rtl-optimization/25905
12450 * combine.c (expand_compound_operation, expand_field_assignment):
12451 Fail if the bitfield's final position is out of bounds.
12453 2006-01-24 Ian Lance Taylor <ian@airs.com>
12455 PR middle-end/25930
12456 * cgraphunit.c (cgraph_output_in_order): Don't clear
12457 cgraph_asm_nodes until after asm strings have been output.
12459 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12461 * fix-header.c (read_scan_file): Add new parameter imultilib when
12462 calling register_include_chains.
12464 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12466 * omp-low.c: Update documentation.
12468 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12469 Daniel Berlin <dberlin@dberlin.org>
12473 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12474 return from the function.
12476 2006-01-22 Zack Weinberg <zackw@panix.com>
12478 * rtl.def (match_code): Add second argument.
12479 * genpreds.c (write_extract_subexp): New function.
12480 (write_match_code): Add path argument. Use write_extract_subexp.
12481 (write_predicate_expr): Pass path to write_match_code.
12482 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12483 not perform a mode test.
12484 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12485 a subexpression does not constrain the top-level code set.
12486 * read-rtl.c (read_rtx_variadic): New function.
12487 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12488 * doc/md.texi: Document new notation.
12489 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12490 (cmpsi_operand): ... here, using new notation.
12492 2006-01-22 Zack Weinberg <zackw@panix.com>
12494 * varray.c: Remove GENERATOR_FILE #ifdefs.
12496 2006-01-22 Zack Weinberg <zackw@panix.com>
12498 * genautomata.c (output_reserved_units_table): Emit nothing if
12499 description->query_units_num is zero. Remove extra blank line.
12500 (output_cpu_unit_reservation_p): Short circuit
12501 if description->query_units_num is zero.
12503 2006-01-22 Zack Weinberg <zackw@panix.com>
12505 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12506 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12507 nor any of the random handful of variables that used to be necessary
12508 when this program was linked with rtlanal.o. Prune set of forward
12509 function declarations.
12510 (struct attr_desc): Remove static_p field.
12511 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12512 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12513 (attr_string): Do not read the character one past the length of
12515 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12516 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12517 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12518 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12519 (make_automaton_attrs): New.
12520 (main): Do not call into genautomata. Call local gen_bypass
12521 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12522 Remove special case for insn_alts.
12523 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12524 varray.h (leftover from previous change). Prune set of forward
12525 function declarations. Remove state_alts fields from all
12526 structures. Remove state_alts_table from struct automaton.
12527 Make everything except main static. Do not maintain num_dfa_decls.
12528 Do not maintain state_alts fields of various structures.
12529 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12530 (add_arc): Remove state_alts argument. All callers updated.
12531 (output_reserved_units_table): Emit #ifdef here...
12532 (output_tables): ...not here. Don't generate state_alts tables.
12533 (expand_automata): Don't generate attributes.
12534 (write_automata): Don't generate state_alts functions.
12535 (main): New function.
12536 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12537 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12538 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12539 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12540 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12541 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12542 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12543 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12545 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12546 * genattrtab.h: Delete file.
12547 * Makefile.in (OBJS-common): Add insn-automata.o.
12548 (insn-automata.o): New rule.
12549 (simple_generated_c): Add insn-automata.c.
12550 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12551 (genprogmd): Add automata.
12552 (build/genattrtab): Needs no extra objects nor libraries.
12553 (build/genautomata): Needs build/vec.o and -lm.
12555 2006-01-22 Zack Weinberg <zackw@panix.com>
12557 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12558 (output_dfa_max_issue_rate, locked_states_num): Delete.
12559 (struct automaton): Add locked_states field.
12560 (output_dead_lock_vect): Save number of locked states in
12561 automaton->locked_states. If it is zero, don't print anything.
12562 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12563 (output_internal_dead_lock_func): Only test the dead_lock_vect
12564 for automata that have locked states.
12565 (output_statistics): Always print the number of locked states for
12566 each automaton. Calculate total number of locked states here.
12567 (write_automata): Don't call output_dfa_max_issue_rate.
12568 * genattrtab.c: Define length_unit_log as a const variable.
12569 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12570 max_insn_queue_index const.
12571 * final.c (length_unit_log): Declare const.
12572 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12574 2006-01-22 Zack Weinberg <zackw@panix.com>
12576 * genautomata.c: Include vec.h, not varray.h.
12577 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12578 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12579 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12580 VEC_* macros operating on appropriately typed vectors, or to
12581 malloced arrays when the size is known in advance. Const-ify
12582 many char* variables and function arguments. No functional changes.
12583 * Makefile.in (build/varray.o): Delete rule.
12584 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12585 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12587 2006-01-22 Zack Weinberg <zackw@panix.com>
12589 * gensupport.c: Define get_insn_name and record_insn_name here.
12590 (read_md_rtx): Call record_insn_name as appropriate.
12591 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12592 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12593 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12595 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12596 (BUILD_VARRAY): Delete.
12597 (genprognormal): Rename genprogmd. Fold in all programs from
12598 genprognoprint; also attrtab.
12599 (build/genattrtab): Just mention genautomata.o and varray.o.
12600 Reorganize a bit, add comments to make the categories clearer.
12602 2006-01-22 Zack Weinberg <zackw@panix.com>
12604 * genconditions.c (condition_table, add_condition): Delete.
12605 (write_conditions): Don't emit n_insn_conditions nor
12606 insn_elision_unavailable. Issue the gcc version #ifdef here,
12607 inside the table, with no #else clause ...
12608 (write_header): ...not here.
12609 (write_writer): New function.
12610 (main): Don't initialize condition_table. Use add_c_test.
12612 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12613 files on the command line.
12614 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12615 Return -1 if there is no entry in the table, don't abort.
12616 (add_c_test, traverse_c_tests): New functions.
12617 * gensupport.h (insn_elision_unavailable, insn_conditions)
12618 (n_insn_conditions): Delete declarations.
12619 (add_c_test, traverse_c_tests): Declare.
12620 * read-rtl.c: Include gensupport.h.
12621 (read_conditions): New function.
12622 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12623 (read_rtx_1): If we get EOF when we were looking for an initial
12624 open paren, return 0. Call read_conditions when appropriate.
12625 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12626 dummy-conditions.o. Eliminate references to insn-conditions.o,
12627 or change them to build/gencondmd.o, as appropriate. Remove
12628 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12629 from $(simple_generated_c). For all files remaining in those
12630 two lists, add insn-conditions.md to the generator command line.
12631 Give insn-constants.h/s-constants their own rules. Add rules
12632 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12633 (build/read-rtl.o): Depend on gensupport.h.
12634 (genprognormal): Include preds.
12635 (genprogearly): Rename genprognoprint; only difference is now that
12636 they don't link with $(BUILD_PRINT).
12637 * dummy-conditions.c: Delete.
12639 2006-01-22 Zack Weinberg <zackw@panix.com>
12641 * genextract.c: Don't include insn-config.h. Do include vec.h.
12642 Declare vectors of int, char, and locstr.
12643 (locstr): New typedef.
12644 (struct extraction): Make all array fields into bare pointers.
12645 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12646 (insn_code_number): Delete.
12647 (accum_extract): New struct.
12648 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12649 (gen_insn): Take insn_code_number as an argument. Use an
12650 accum_extract structure instead of loading data directly into
12651 a struct extraction, and having to know how big it might get.
12652 (walk_rtx): Operate entirely on an accum_extract structure.
12653 (print_path): Avoid unnecessary use of printf.
12654 (print_header): New function, split out of main. Distinguish
12655 more carefully between an unrecognizable insn and an insn that
12656 has the code number of a define_expand.
12657 (main): Pass insn_code_number to gen_insn. Call print_header
12658 only after parsing. Avoid unnecessary use of printf.
12659 * Makefile.in (build/vec.o): New rule.
12660 (build/genextract): Depend on build/vec.o.
12661 (build/genextract.o): Don't depend on insn-config.h.
12663 2006-01-22 Zack Weinberg <zackw@panix.com>
12665 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12666 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12667 practical. Eliminate per-generator-program link rules.
12669 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12671 PR middle-end/24437
12672 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12673 with a call expr to ...
12674 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12676 2006-01-23 Richard Guenther <rguenther@suse.de>
12678 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12679 before make_edge with conditional EDGE_TRUE_VALUE.
12681 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12682 Jan Hubicka <jh@suse.cz>
12683 Richard Guenther <rguenther@suse.de>
12685 PR rtl-optimization/25654
12686 * cfgexpand.c (aggregate_contains_union_type): New function.
12687 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12688 for structure variables that contain a union type.
12690 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12692 * gengtype.c (new_structure): Return the structure.
12693 (create_option): Add an extra "next" argument.
12694 (create_field): New function.
12695 (adjust_field_rtx_def): Use create_option and create_field.
12696 Remove a now-unnecessary call to find_structure.
12697 (adjust_field_tree_def): Likewise.
12698 (note_yacc_type): Remove an unnecessary call to find_structure.
12699 * gengtype.h (new_structure): Return the structure.
12700 (create_option): Add an extra argument.
12701 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12702 (option): Adjust calls to create_option.
12704 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12706 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12708 2006-01-22 Paul Brook <paul@codesourcery.com>
12709 Peter Barada <peter@the-baradas.com>
12711 * config/m68k/m68k.md: Add Coldfire FPU support.
12712 Define FP mode macro and associated attributes.
12713 Use it for float mode patterns.
12714 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12715 (LIBCALL_VALUE): Use m68k_libcall_value.
12716 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12717 (m68k_function_value): Ditto.
12718 (emit_move_sequence): Ditto.
12719 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12720 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12721 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12722 (MULTILIB_EXCEPTIONS): Ditto.
12723 * config/m68k/m68k.opt: Add mcfv4e.
12724 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12725 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12726 (m68k_output_function_prologue): Save ColdFire FPU registers.
12727 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12728 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12729 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12730 ColdFire FPU registers.
12731 (m68k_libcall_value, m68k_function_value): New functions.
12732 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12733 (LIBCALL_VALUE): Use m68k_libcall_value.
12734 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12735 (MASK_COLDFIRE): Add MASK_CFV4E.
12736 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12737 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12738 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12739 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12740 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12741 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12742 * doc/invoke.tex: Document -mcfv4e on m68k.
12744 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12746 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12749 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12752 * c-opts.c (c_common_handle_option): Don't include
12753 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12754 * doc/invoke.texi (C++ Dialect Options): Document that
12755 -Wnon-virtual-dtor is no longer included in -Wall.
12757 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12759 * gcov.c (print_version), gcov-dump.c (print_version),
12760 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12763 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12765 * df-scan.c (problem_SCAN): Added NULL reset function.
12766 (df_scan_reset_blocks): Added code to call reset block function
12767 (df_bb_refs_delete) Fixed comment.
12768 (df_insn_refs_delete): Made tolerant of deleting non existent info
12769 for dataflow problems that need to be reset.
12770 * df-core.c (df_set_blocks): Ditto.
12771 * df.h (struct df_problem): Added reset_fun.
12772 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12773 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12774 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12775 functions to clear out all references to def-use or use-def chains.
12777 2006-01-21 Ben Elliston <bje@au.ibm.com>
12779 * varasm.c (assemble_real): Initialise data array.
12781 2006-01-20 Paul Brook <paul@codesourcery.com>
12783 Merge from csl-arm-branch.
12784 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12785 * config/arm/arm.md (movdi): Force operands[1] to a register
12786 if we have a non-register source.
12787 (*arm_movdi, *movdf_soft_insn): Require that one of the
12788 operands be a register.
12789 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12790 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12792 2006-01-20 DJ Delorie <dj@redhat.com>
12794 * varasm.c (initializer_constant_valid_p): Allow pointers
12795 initialized from integer constants of lesser precision.
12796 (output_constant): Allow non-int-sized pointer modes to be
12797 initialized from integer constants.
12799 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12802 * cppdefault.h (struct default_include): Add multilib flag.
12803 * cppdefault.c (cpp_include_defaults): Set it.
12804 * c.opt (-imultilib): New option.
12805 * c-opts.c (imultilib): New.
12806 (c_common_handle_option): Handle -imultilib.
12807 (c_common_post_options): Likewise.
12808 * c-incpath.c (add_standard_paths, register_include_chains):
12810 * c-incpath.h (register_include_chains): Add extra parameter.
12811 * gcc.c (do_spec_1): Generate -imultilib option.
12812 (The Specs Language): Update %I description.
12813 (process_command): Update copyright notice.
12814 * doc/cppopts.texi (-imultilib): Document.
12815 * doc/invoke.texi (-imultilib): Include in option summary.
12816 (%I): Update specs documentation.
12818 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12820 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12822 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12824 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12827 2006-01-20 Richard Guenther <rguenther@suse.de>
12828 Steven Bosscher <stevenb.gcc@gmail.com>
12830 PR rtl-optimization/24626
12831 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12832 EDGE_TRUE_VALUE if in RTL mode.
12835 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12836 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12838 2006-01-20 Dirk Mueller <dmueller@suse.com>
12841 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12842 instead of a special NOP marker.
12843 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12844 NOP marker handling.
12845 * c-common.h (empty_body_warning): Add forward declaration.
12846 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12847 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12849 2006-01-20 Paul Brook <paul@codesourcery.com>
12851 * Makefile.in (lang_checks): Keep going if mkdir fails.
12853 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12855 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12856 be able to clean out basic block when not necessary.
12857 (df_scan_free): Fixed to properly delete information if df is
12858 unused before calling df_finish.
12859 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12860 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12862 (df_bb_refs_delete): New function.
12863 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12864 * df-core.c (df_set_blocks): Added code to properly clean out
12865 unused blocks if they are not part of the blocks to consider.
12866 Added additional null check.
12867 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12868 be able to clean out basic block when not necessary
12869 * df.h (df_free_bb_function): Ditto.
12870 (df_bb_refs_delete): New function.
12871 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12872 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12873 basic block parameter to be able to clean out basic block when not
12875 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12876 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12877 Fixed to properly delete information if df is unused before
12880 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12882 PR rtl-optimization/25799
12883 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12884 Corrected confluence operator to remove bits from op2 before oring
12885 with op1 rather than removing bits from op1.
12886 (df_ru_transfer_function): Corrected test on wrong bitmap which
12887 caused infinite loop. Both of these problems were introduced in
12888 the dataflow rewrite.
12890 2006-01-19 DJ Delorie <dj@redhat.com>
12892 * reload1.c (find_reload_regs): Note the details of reload
12893 failures in the dump file.
12894 (spill_failure): Likewise.
12896 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12898 * loop-iv.c: Include df.h and hashtab.h.
12899 (enum iv_grd_result): New enum.
12900 (DF_REF_IV, DF_REF_IV_SET): New macros.
12901 (struct biv_entry): New.
12902 (df, bivs): New global variables.
12903 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12904 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12906 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12907 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12908 analyzed_for_bivness_p, record_biv): New functions.
12909 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12910 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12911 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12913 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12915 (iv_number_of_iterations): Use new interface to iv analysis.
12916 * loop-unroll.c: Do not include varray.h.
12917 (analyze_iv_to_split_insn): Use new interface to iv
12919 * loop-unswitch.c (may_unswitch_on): Ditto.
12920 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12922 (df_bb_modify): Realloc tables to the new index.
12923 (df_find_use): New function.
12924 * df.h (df_find_use): Declare.
12925 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12927 * cfgloop.h (struct rtx_iv): Remove analysed field.
12928 (iv_get_reaching_def): Removed.
12929 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12930 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12931 (loop-iv.o): Add df.h and hashtab.h dependency.
12932 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12934 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12937 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12939 (__floatundisf, __floatundidf): Likewise.
12940 * libgcc2.h (IS_IBM_EXTENDED): Define.
12942 2006-01-19 DJ Delorie <dj@redhat.com>
12944 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12946 2006-01-19 Paul Brook <paul@codesourcery.com>
12948 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12949 as nothrow when unwinding tables are disabled.
12951 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12954 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12955 of bit-field" when in system header.
12957 2006-01-19 DJ Delorie <dj@redhat.com>
12959 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12960 the 16 bit shift limit of the m16c.
12962 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12965 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12966 * config/i386/i386.c (output_set_got): Output the label if we have one
12967 for the TARGET_DEEP_BRANCH_PREDICTION case.
12969 2006-01-19 Jan Hubicka <jh@suse.cz>
12970 H.J. Lu <hongjiu.lu@intel.com>
12971 Evandro Menezes <evandro.menezes@amd.com>
12973 * invoke.texi (generic): Document
12975 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12976 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12977 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12978 (x86_use_incdec, x86_pad_returns): New variables
12979 (TARGET_CPU_DEFAULT_generic): New constant
12980 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12981 (enum processor_type): Add generic32 and generic64.
12982 * i386.md (cpu attribute): Add generic32/generic64
12983 (movhi splitter): Behave sanely when both partial_reg_dependency and
12984 partial_reg_stall are set.
12985 (K8 splitters): Enable for generic as well.
12986 * predicates.md (incdec_operand): Use TARGET_INCDEC
12987 (aligned_operand): Avoid memory mismatch stalls.
12988 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12989 * ppro.md: Enable for generic32
12990 * i386.c (generic64_cost, generic32_cost): New.
12991 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12992 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12993 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12994 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12995 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12996 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12997 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12998 x86_accumulate_outgoing_args, x86_prologue_using_move,
12999 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13000 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13001 Enable for generic.
13002 (x86_use_incdec, x86_pad_returns): New.
13003 (override_options): Add generic32 and generic64, translate "generic"
13004 to generic32/generic64 and "i686" to "generic32", refuse
13005 "generic32"/"generic64" as arch target.
13006 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13007 (ix86_reorg): Honor PAD_RETURNS.
13009 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13011 * tree-pretty-print.c (dump_generic_node): Handle
13012 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13013 * cgraph.c (cgraph_expand_queue): Rename from
13014 cgraph_analyze_queue. Update all users.
13015 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13016 cgraph_expand_queue.
13017 (cgraph_expand_all_functions): Likewise.
13018 (cgraph_finalize_pending_functions): Remove. Update callers.
13020 * tree.h (OMP_DIRECTIVE_P): Define.
13021 (OMP_PARALLEL_FN): Define.
13022 (OMP_PARALLEL_DATA_ARG): Define.
13023 (OMP_SECTIONS_SECTIONS): Define.
13024 * tree-pass.h (pass_expand_omp): Declare.
13025 * omp-low.c (struct omp_region): Declare.
13026 (struct omp_context): Remove fields 'parallel_type',
13027 'parallel_start_ix' and 'parallel_start_additional_args'.
13029 (struct omp_for_data): Rename from struct expand_omp_for_data.
13030 (omp_regions): New static variable.
13031 (root_omp_region): New static variable.
13032 (find_omp_clause): Make static.
13033 (is_in_combined_parallel_ctx): Remove.
13034 (is_combined_parallel): New.
13035 (extract_omp_for_data): Move earlier in the file.
13036 (workshare_safe_to_combine_p): New.
13037 (get_ws_args_for): New.
13038 (determine_parallel_type): Move earlier in the file.
13039 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13041 (omp_copy_decl): Likewise.
13042 (create_omp_child_function): Likewise.
13043 (lookup_omp_region): New.
13044 (dump_omp_region): New.
13045 (debug_omp_region): New.
13046 (debug_all_omp_regions): New.
13047 (new_omp_region): New.
13048 (scan_omp_parallel): If parallel_nesting_level > 1, the
13049 directive is nested within another parallel directive.
13050 Set OMP_PARALLEL_FN.
13051 (scan_omp_for): Do not try to handle combined parallel+for
13053 Remove FIXME comment.
13054 (scan_omp_nested): Remove.
13055 (scan_omp_1): Do not call scan_omp_nested when
13056 parallel_nesting_level is > 1.
13057 Do not change the DECL_CONTEXT of local variables found.
13058 (lookup_decl_in_outer_ctx): New.
13059 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13060 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13061 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13062 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13063 If CTX is nested, lookup VAR in the outer context when
13064 building copy assignment.
13065 (lower_send_clauses): Rename from expand_send_clauses.
13066 If CTX is nested, lookup VAR in the outer context when
13067 building copy assignments.
13068 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13069 If CTX is nested, lookup VAR in the outer context when
13070 building copy assignments.
13071 (expand_parallel_call): Rename from build_parallel_call.
13072 Handle combined parallel+workshare cases.
13073 Re-implement to emit code into the CFG.
13075 (expand_omp_parallel): Re-implement to emit code into the CFG.
13076 Call move_sese_region_to_fn to outline the sub-graph
13077 containing the parallel region.
13078 (expand_omp_for_1): Remove.
13079 (expand_omp_for_generic): Re-implement to emit code into the
13081 (expand_omp_for_static_nochunk): Likewise.
13082 (expand_omp_for_static_chunk): Likewise.
13083 (expand_omp_for): Likewise.
13084 (expand_omp_sections): Likewise.
13085 (remove_exit_barriers): New.
13086 (expand_omp_synch): New.
13088 (build_omp_regions_1): New.
13089 (build_omp_regions): New.
13090 (execute_expand_omp): New.
13091 (gate_expand_omp): New.
13092 (pass_expand_omp): Define.
13093 (lower_omp_sections): Rename from expand_omp_sections.
13094 Set OMP_SECTIONS_SECTIONS.
13095 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13096 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13097 (lower_omp_single): Rename from expand_omp_simple.
13098 (lower_omp_master): Rename from expand_omp_master.
13099 (lower_omp_ordered): Rename from expand_omp_ordered.
13100 (lower_omp_critical): Rename from expand_omp_critical.
13101 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13102 (lower_omp_for): Re-implement.
13103 (lower_omp_parallel): Re-implement.
13104 (lower_regimplify): Rename from expand_regimplify.
13105 (lower_omp_1): Rename from expand_omp_1.
13106 If there are syntax errors in the program, replace every
13107 OpenMP directive with NOP.
13108 Call lower_omp_* instead of expand_omp_*.
13109 (lower_omp): Rename from expand_omp.
13111 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13112 * tree-gimple.h (enum omp_parallel_type): Remove.
13113 (gimple_boolify): Declare extern.
13114 (find_omp_clause, determine_parallel_type): Remove.
13116 * gimple-low.c (lower_omp_directive): New.
13117 (lower_stmt): Call it.
13118 (record_vars_into): Move from ...
13119 (record_vars): ... here.
13120 Call record_vars_into with current_function_decl.
13122 * gimplify.c (struct gimplify_ctx): Remove fields
13123 combined_pre_p and combined_ctxp. Update users.
13124 (get_formal_tmp_var): Add documentation.
13125 (gimple_boolify): Make extern.
13126 (gimplify_expr_in_ctx): Remove. Update callers.
13127 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13128 will always be a BIND_EXPR.
13129 (gimplify_expr): Handle OMP_RETURN_EXPR.
13130 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13131 (OMP_PARALLEL): Add 3 operands.
13132 (OMP_SECTIONS): Add 1 operand.
13133 (OMP_RETURN_EXPR): Define.
13135 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13136 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13137 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13138 creating a circular free list.
13139 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13141 * tree-flow.h (move_sese_region_to_fn): Declare.
13142 (record_vars_into): Declare.
13143 * tree-cfg.c (make_omp_sections_edges): New.
13144 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13145 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13146 OMP_SECTIONS and OMP_SECTION.
13147 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13148 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13149 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13150 (gather_blocks_in_sese_region): New.
13151 (struct move_stmt_d): Declare.
13152 (move_stmt_r): New.
13153 (move_block_to_fn): New.
13154 (move_sese_region_to_fn): New.
13156 * passes.c (init_optimization_passes): Schedule
13157 pass_expand_omp after pass_init_datastructures.
13159 * tree-ssa-operands.c (get_expr_operands): Handle
13160 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13161 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13163 2006-01-19 Jeff Law <law@redhat.com>
13165 * tree-vrp.c (extract_range_from_assert): Refine the result range
13166 if the variable referenced by the ASSERT_EXPR has a range and
13167 either the tentative result range or the previous range is a
13170 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13172 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13174 2006-01-19 Jan Hubicka <jh@suse.cz>
13176 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13178 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13180 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13181 (expand_compound_operation, expand_field_assignment): Fail if the
13182 bit lengths of an extract operation are out of range.
13183 (make_extraction): Compute wanted_inner_mode based on the position
13184 and length of the extraction. Make it extraction_mode for non-constant
13185 positions, and do not modify offset in that case. When generating a
13186 new MEM, use a mode that can hold the extraction while keeping correct
13187 alignment. Remove code that supported MEMs wrapped by USEs.
13188 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13190 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13192 * config/s390/s390.md ("Y", "y"): New mode attribute.
13193 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13194 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13195 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13196 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13197 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13198 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13199 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13200 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13201 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13202 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13203 "addsi3", "subsi3"): Insn patterns removed.
13204 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13205 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13206 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13207 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13208 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13209 "*sub<mode>3_cconly2"): New insn patterns.
13210 ("addsi3", "subsi3"): New expanders.
13212 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13214 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13215 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13216 existing STMT_VINFO_VECTYPE if available.
13217 (vect_mark_relevant): Add special handling for stmts that are
13218 marked as STMT_VINFO_IN_PATTERN_P.
13219 (vect_analyze_loop): Call vect_pattern_recog.
13220 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13221 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13223 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13224 (vect_recog_func_ptr): New function-pointer type.
13225 * tree-vect-patterns.c: New file.
13226 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13227 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13228 (vect_pattern_recog_1): New functions.
13229 (vect_pattern_recog_funcs): New array of function pointers.
13231 * tree-vectorizer.h (ternary_op): New enum value.
13232 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13233 declaration. Revised documentation. Removed redundant dump prints.
13234 Removed redundant argument. Added support for reduction patterns.
13235 (vectorizable_reduction): Added support for reduction patterns.
13236 (vect_transform_stmt): Added support for patterns.
13238 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13239 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13240 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13241 (expand_widen_pattern_expr): New function.
13242 (init_optabs): Initialize new optabs udot_prod_optab,
13244 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13245 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13246 (expand_widen_pattern_expr): New function declaration.
13247 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13249 * tree-inline.c (estimate_num_insns_1): Added cases for new
13250 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13251 * tree-pretty-print.c (dump_generic_node): Likewise.
13252 (op_prio): Likewise.
13253 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13254 * tree-ssa-operands.c (get_expr_operands): Added case for
13256 * tree-vect-patterns.c (widened_name_p): New function.
13257 (vect_recog_dot_prod_pattern): Added function implementation.
13258 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13259 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13260 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13261 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13263 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13264 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13265 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13266 (init_optabs): Initialize new optabs widen_ssum_optab,
13268 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13269 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13270 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13271 use instead of type of def.
13272 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13273 function implementation.
13274 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13275 widen_ssumv8hi): New.
13277 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13280 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13283 * c-decl.c (add_flexible_array_elts_to_size): New function.
13284 (finish_decl): Use it.
13286 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13288 * diagnostic.h: Include options.h.
13289 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13290 dependancies for diagnostic.h.
13291 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13293 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13295 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13296 (ssa_ro_call_cache_valid): Ditto.
13297 * tree-ssa-alias.c (sort_tags_by_id): New function.
13298 (init_transitive_clobber_worklist): Ditto.
13299 (add_to_worklist): Ditto.
13300 (mark_aliases_call_clobbered): Ditto.
13301 (compute_tag_properties): Ditto.
13302 (set_initial_properties): Ditto.
13303 (compute_call_clobbered): Ditto.
13304 (compute_may_aliases): Call compute_call_clobbered and grouping.
13305 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13306 (compute_flow_insensitive_aliasing): Grouping now happens in our
13308 (setup_pointers_and_addressables): Remove clobbering related code.
13309 (add_may_alias): Ditto.
13310 (replace_may_alias): Ditto.
13311 (get_nmt_for): Ditto.
13312 (create_global_var):
13313 (is_escape_site): Return an escape_type enumeration.
13314 * tree-flow-inline.h (is_call_clobbered): Global var does not
13315 imply call clobbered.
13316 (mark_call_clobbered): Take a reason for marking this. Remove
13317 marking of globalness, and cache invalidation.
13318 (clear_call_clobbered): Remove cache invalidation code.
13319 * tree-dfa.c (dump_variable): If details is on, dump the reason
13321 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13323 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13324 (struct var_ann_d): Ditto.
13325 (enum escape_type): New.
13326 (mark_call_clobbered): Adjust prototype.
13327 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13328 are never call clobbered.
13329 Record reasons for escaping.
13330 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13331 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13332 (ssa_ro_call_cache_valid): Ditto.
13333 (clobbered_v_may_defs): Ditto.
13334 (clobbered_vuses): Ditto.
13335 (ro_call_vuses): Ditto.
13336 (clobber_stats): New.
13337 (init_ssa_operands): Zero out clobber stats.
13338 (fini_ssa_operands): Print out clobber stats.
13339 (get_call_expr_operands): Pass callee fndecl to
13340 add_call_read_ops).
13341 (add_call_clobber_ops): Remove use of cache.
13342 Add use of PURE_CONST information.
13343 (add_call_read_ops): Remove use of cache.
13344 Add use of static not_read information.
13346 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13348 Introduce TLS descriptors for i386 and x86_64.
13349 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13350 (TARGET_ANY_GNU_TLS): New macro.
13351 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13352 (struct machine_function): Add tls_descriptor_call_expanded_p.
13353 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13354 (ix86_current_function_calls_tls_descriptor): Likewise.
13355 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13356 (override_options): Introduce gnu2 tls dialect.
13357 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13359 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13361 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13362 (ix86_init_machine_status): Initialize new field.
13363 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13364 (ix86_tls_module_base): New.
13365 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13366 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13367 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13368 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13369 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13370 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13371 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13372 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13373 * config/i386/predicates.md (tls_modbase_operand): New.
13374 (tp_or_register_operand): New.
13376 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13378 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13379 (look_for_address_of): Ditto.
13380 (ipa_init): Walk the function decls.
13381 (static_execute): Don't set readonly on FUNCTION_DECL's.
13383 2006-01-18 Roger Sayle <roger@eyesopen.com>
13385 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13386 for shifts where the source and destination registers are different.
13388 2006-01-18 Paul Brook <paul@codesourcery.com>
13390 Merge from csl-arm-branch.
13391 2005-03-14 Julian Brown <julian@codesourcery.com>
13392 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13393 (aeabi_llsl): Likewise.
13394 (ashrdi3): Likewise.
13395 (aeabi_lasr): Likewise.
13396 (lshrdi3): Likewise.
13397 (aeabi_llsr): Likewise.
13398 2005-03-10 Julian Brown <julian@codesourcery.com>
13399 * config.gcc: Disable shared libgcc for SymbianOS.
13400 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13402 2006-01-18 DJ Delorie <dj@redhat.com>
13404 * c-pragma.c (handle_pragma_diagnostic): New.
13405 (init_pragma): Register it.
13406 * doc/extend.texi: Document it.
13408 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13409 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13410 (diagnostic_context): Add classify_diagnostic[].
13411 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13412 as errors if they're overridden to DK_WARNING.
13413 (diagnostic_initialize): Initialize classify_diagnostic[].
13414 (diagnostic_set_kind_override): New.
13415 (diagnostic_report_diagnostic): Check for kind changes.
13416 * opts.c (common_handle_option): Take lang_mask. Update callers.
13417 Handle OPT_Werror_.
13418 * common.opt (Werror=): New.
13419 * doc/invoke.texi: Document -Werror=*
13421 2006-01-18 Jeff Law <law@redhat.com>
13423 * tree-vrp.c (test_for_singularity): Correct test for new
13424 min limit. Use operand_equal_p rather than pointer equality
13425 for testing if new min/max values are equal.
13427 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13428 using range information until after propagation and folding.
13430 2006-01-18 Richard Henderson <rth@redhat.com>
13431 Aldy Hernandez <aldyh@redhat.com>
13432 Jakub Jelinek <jakub@redhat.com>
13433 Diego Novillo <dnovillo@redhat.com>
13435 * omp-low.c: New file.
13436 * c-omp.c: New file.
13438 2006-01-18 Richard Henderson <rth@redhat.com>
13439 Jakub Jelinek <jakub@redhat.com>
13440 Diego Novillo <dnovillo@redhat.com>
13442 * doc/invoke.texi: Document -fopenmp.
13443 * tree-dump.h (debug_function): Declare.
13444 * hooks.c (hook_bool_tree_bool_false): New function.
13445 (hook_tree_tree_null): Remove.
13446 (hook_tree_tree_tree_null): New.
13447 * hooks.h: Update to match.
13448 * tree-pretty-print.c (debug_tree_chain): New.
13449 (print_generic_expr): Handle TDF_CHAIN.
13450 (dump_generic_node): Handle BLOCK.
13451 Do not abort with incomplete SWITCH_EXPRs.
13452 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13453 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13454 print space after directive name.
13455 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13456 Handle OMP_MASTER and OMP_ORDERED.
13457 Handle printing of OMP_BODY just in one place, goto
13458 dump_omp_body in the rest of OMP_* nodes that have
13460 Don't handle clause nodes here. Update omp statements to
13461 use dump_omp_clauses.
13462 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13463 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13464 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13465 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13466 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13467 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13468 Adjust output for GOMP_PARALLEL.
13469 (dump_omp_clauses): New.
13470 (print_declaration): Dump DECL_VALUE_EXPR.
13471 (op_symbol_1): Split out of op_symbol.
13472 (dumping_stmts): Remove. Update all users.
13473 * cgraph.c (cgraph_analyze_queue): New.
13474 (cgraph_add_new_function): New.
13475 * cgraph.h (cgraph_analyze_queue): Declare.
13476 (cgraph_add_new_function): Declare.
13477 (cgraph_lower_function): Remove.
13478 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13479 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13480 and TYPE_P nodes in its default clause.
13481 (empty_body_p): New.
13482 (tree_range_check_failed): New.
13483 (build5_stat): New.
13484 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13485 OMP_CLAUSE_REDUCTION_MERGE,
13486 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13487 OMP_CLAUSE_PRIVATE_DEBUG,
13488 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13489 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13490 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13491 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13492 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13493 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13494 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13495 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13496 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13497 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13498 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13499 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13500 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13501 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13502 (TREE_RANGE_CHECK): New.
13503 (empty_body_p): Declare.
13504 (enum omp_clause_default_kind): New.
13505 (build_string_literal): Declare.
13506 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13507 (build5_stat, build5): Declare.
13508 * tree-pass.h (TDF_CHAIN): Define.
13509 * tree-pass.h (PROP_gimple_lomp): Define.
13510 (pass_lower_omp): Declare.
13511 * diagnostic.h (debug_tree_chain): Declare.
13512 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13514 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13515 * builtins.c (build_string_literal): Make extern.
13516 * gcc.c (include_spec_function): New.
13517 (static_spec_functions): Add it.
13518 (main): Move load of libgomp.spec ...
13519 (LINK_COMMAND_SPEC): ... here.
13520 (link_gomp_spec): New.
13521 (static_specs): Include it.
13522 (LINK_COMMAND_SPEC): Add link_gomp.
13523 (GOMP_SELF_SPECS): New.
13524 (driver_self_specs): Include it.
13525 (switch_matches): Don't mark inline.
13526 (main): Load libgomp.spec.
13527 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13528 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13529 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13530 * tree-gimple.h (enum omp_parallel): Declare.
13531 (determine_parallel_type): Declare.
13532 (omp_firstprivatize_variable): Declare.
13533 (omp_reduction_init): Declare.
13534 (diagnose_omp_structured_block_errors): Declare.
13535 (struct walk_stmt_info): Add want_return_expr.
13536 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13537 (find_omp_clause): Declare.
13538 (insert_field_into_struct): Declare.
13539 (struct walk_stmt_info): Move from tree-nested.c
13540 (walk_stmts): Declare.
13541 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13543 * cgraphunit.c (cgraph_lower_function): Make static.
13544 (cgraph_finalize_pending_functions): New.
13545 (cgraph_finalize_function): Call it.
13546 (cgraph_finalize_compilation_unit): Likewise.
13547 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13548 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13549 (BT_FN_UINT_UINT): New.
13550 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13551 DEF_FUNCTION_TYPE_VAR_4): Document.
13552 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13553 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13554 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13555 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13556 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13557 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13558 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13559 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13560 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13561 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13562 into separate files.
13563 (DEF_GOMP_BUILTIN): New.
13564 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13565 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13566 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13567 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13568 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13569 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13570 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13571 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13572 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13573 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13574 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13575 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13576 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13577 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13578 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13579 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13580 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13581 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13582 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13583 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13584 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13585 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13586 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13587 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13588 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13589 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13590 * sync-builtins.def: New file, moved from builtins.def.
13591 * omp-builtins.def: New file, moved from builtins.def.
13592 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13593 * gimple-low.c (lower_function_body): Clear data.
13594 (lower_stmt): Do not handle COMPOUND_EXPR.
13595 Remove call to print_node_brief.
13596 * c-tree.h (c_finish_omp_clauses): New prototype.
13597 (C_DECL_THREADPRIVATE_P): Define.
13598 (lookup_name_no_remap, c_omp_remap_private): Remove
13599 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13600 (check_for_loop_decls): Update decl.
13601 (lookup_name_no_remap, c_omp_remap_private): Declare.
13602 (build_indirect_ref, build_modify_expr, pushdecl,
13603 pushdecl_top_level): Move to c-common.h.
13604 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13605 before the switch, but just in the 2 places that need it.
13606 * c-decl.c (diagnose_mismatched_decls): Do not check for
13607 mismatched thread-local attributes when OLDDECL is marked
13608 threadprivate and NEWDECL has no thread-local attributes.
13609 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13610 (c_gimple_diagnostics_recursively): Rename from
13611 c_warn_unused_result_recursively. Invoke
13612 diagnose_omp_structured_block_errors.
13613 (check_for_loop_decls): Return a singular decl found.
13614 * langhooks.c (lhd_omp_predetermined_sharing): Return
13615 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13616 (lhd_omp_firstprivatize_type_sizes): New.
13617 (lhd_omp_assignment): New.
13618 (lhd_omp_predetermined_sharing): New.
13619 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13620 (struct lang_hooks_for_types): Add
13621 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13622 omp_predetermined_sharing, omp_disregard_value_expr,
13623 omp_private_debug_clause, omp_clause_default_ctor,
13624 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13625 (c_finish_omp_clauses): New.
13626 (c_finish_bc_stmt): Diagnose break within omp for.
13627 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13628 (build_unary_op): Return error_mark after reporting
13630 (build_modify_expr): Likewise.
13631 * gimplify.c: Include optabs.h and pointer-set.h.
13632 (enum gimplify_omp_var_data): Declare.
13633 (struct gimplify_omp_ctx): Declare.
13634 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13636 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13637 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13638 (splay_tree_compare_decl_uid): New.
13639 (new_omp_context): New.
13640 (delete_omp_context): New.
13641 (gimple_add_tmp_var): Call omp_add_variable.
13642 (gimplify_bind_expr): Likewise.
13643 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13644 true, disregard DECL_VALUE_EXPR on the decl if any.
13645 (gimplify_expr_in_ctx): New.
13646 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13647 omp_add_variable, omp_notice_variable, omp_is_private
13648 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13649 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13650 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13651 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13652 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13653 gimplify_omp_atomic): New.
13654 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13655 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13656 OMP_CRITICAL and OMP_ATOMIC.
13657 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13658 * c-pragma.h (enum pragma_kind): Add
13659 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13660 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13661 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13662 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13663 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13664 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13665 PRAGMA_OMP_THREADPRIVATE.
13666 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13667 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13668 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13669 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13670 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13671 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13672 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13673 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13674 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13675 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13676 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13677 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13678 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13680 (struct nesting_info): Add field_map,
13681 suppress_expansion, debug_var_chain.
13682 (create_nesting_tree): Initialize them.
13683 (lookup_field_for_decl): Use field_map.
13684 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13685 (convert_local_omp_clauses): New.
13686 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13687 (walk_body): Split out of walk_function.
13688 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13689 (convert_nonlocal_reference): Handle omp statements.
13690 (convert_local_reference): Likewise.
13691 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13692 (unnest_nesting_tree): New.
13693 (lower_nested_functions): Call it.
13694 (insert_field_into_struct): Make extern.
13695 (struct walk_stmt_info): Move to tree-gimple.h.
13696 (walk_stmts): Make extern.
13697 * omp-builtins.def: New file.
13698 * tree-iterator.c (expr_only): Clarify comment.
13699 * c-common.h (pushdecl_top_level, pushdecl,
13700 build_modify_expr, build_indirect_ref,
13701 c_finish_omp_master, c_finish_omp_critical,
13702 c_finish_omp_ordered, c_finish_omp_barrier,
13703 c_finish_omp_atomic, c_finish_omp_flush,
13704 c_finish_omp_for, c_split_parallel_clauses,
13705 omp_clause_default_kind, c_omp_sharing_predetermined,
13706 c_omp_remap_decl): Declare.
13707 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13708 (OBJS-common): Add omp-low.o.
13709 (c-omp.o, omp-low.o): Add.
13710 (gimplify.o): Add dependency on $(OPTABS_H).
13711 (GTFILES): Add omp-low.c.
13712 (gt-stringpool.h): Add.
13713 * tree-cfg.c (set_bb_for_stmt): Do not update the
13714 block-to-labels map if we are currently expanding to RTL.
13715 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13717 Handle IDENTIFIER_NODE.
13718 (tree_verify_flow_info): Do not ICE when emitting error
13719 messages about invalid labels.
13720 (dump_function_to_file): Reset CFUN before emitting the body
13722 (debug_function): New.
13723 * passes.c (init_optimization_passes): Schedule
13725 * langhooks-def.h (lhd_omp_predetermined_sharing,
13726 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13728 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13729 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13730 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13731 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13732 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13733 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13734 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13735 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13736 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13737 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13738 (LANG_HOOK_DECLS): Use them.
13740 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13741 Richard Henderson <rth@redhat.com>
13742 Jakub Jelinek <jakub@redhat.com>
13743 Diego Novillo <dnovillo@redhat.com>
13745 * c-parser.c (pragma_omp_clause): Define.
13746 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13747 (c_parser_compound_statement): Likewise.
13748 (c_parser_statement): Likewise.
13749 (c_parser_pragma): Handle omp pragmas.
13750 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13751 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13752 (c_parser_omp_clause_name, check_no_duplicate_clause,
13753 c_parser_omp_variable_list,
13754 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13755 c_parser_omp_clause_copyprivate,
13756 c_parser_omp_clause_default,
13757 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13758 c_parser_omp_clause_lastprivate,
13759 c_parser_omp_clause_nowait,
13760 c_parser_omp_clause_num_threads,
13761 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13762 c_parser_omp_clause_reduction,
13763 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13764 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13765 c_parser_omp_atomic, c_parser_omp_barrier,
13766 c_parser_omp_critical, c_parser_omp_flush,
13767 c_parser_omp_for_loop, c_parser_omp_for,
13768 c_parser_omp_master, c_parser_omp_ordered,
13769 c_parser_omp_sections_scope, c_parser_omp_sections,
13770 c_parser_omp_parallel, c_parser_omp_single,
13771 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13772 * c-pragma.c (init_pragma): Do omp pragma registration here.
13773 * c.opt (fopenmp): New flag.
13775 2006-01-18 Eric Christopher <echristo@apple.com>
13777 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13778 * config/darwin.h (GOMP_SELF_SPECS): Define.
13780 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13782 * rtl.h: Remove the prototype for reg_alloc.
13784 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13787 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13788 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13789 sjlj and dwarf2 exception handling.
13790 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13791 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13792 * pa/pa.c (function_value): Treat complex and vector types as
13794 (function_arg): Likewise. Only pass scalar floats in the floating
13795 point argument registers.
13796 * pa/t-slibgcc-dwarf-ver: New file.
13797 * pa/t-slibgcc-sjlj-ver: New file.
13798 * pa/t-slibgcc-elf-ver: Delete file.
13800 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13802 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13803 unlikely_test_section_p test.
13805 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13807 * mode-switching.c (optimize_mode_switching): Make it static.
13808 * basic-block.h: Remove the prototype for
13809 optimize_mode_switching.
13811 * modulo-sched.c (sms_schedule): Make it static.
13812 * rtl.h: Remove the prototype for sms_schedule.
13814 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13815 * rtl.h: Remove the prototype for gcse_after_reload_main.
13817 * reg-stack.c (reg_to_stack): Make it static.
13818 * rtl.h: Remove the prototype for reg_to_stack.
13820 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13822 * rtl.h: Remove the prototypes for regrename_optimize and
13823 copyprop_hardreg_forward.
13825 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13827 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13828 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13829 Test against the appropriate null constant for the mode.
13830 If 'fixup_overlap' is true, swap the operands if they overlap.
13831 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13832 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13833 alpha_split_tmode_pair and adjust for above change.
13834 * config/alpha/alpha.md (movtf_internal): Adjust call to
13835 alpha_split_tfmode_pair and rely on it to swap the operands.
13836 (movti_internal): New insn and post-reload splitter.
13837 (movti): New expander.
13839 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13841 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13844 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13846 * rtlanal.c (global_reg_mentioned_p_1,
13847 global_reg_mentioned_p): Remove.
13848 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13850 * flow.c (initialize_uninitialized_subregs): Make it static.
13851 * rtl.h: Remove the prototype for
13852 initialize_uninitialized_subregs.
13854 * function.c (instantiate_virtual_regs): Make it static.
13855 * function.h: Remove the prototype for
13856 instantiate_virtual_regs.
13858 * regmove.c (regmove_optimize, combine_stack_adjustments):
13860 * rtl.h: Remove the prototypes for regmove_optimize and
13861 combine_stack_adjustments.
13863 2006-01-17 Roger Sayle <roger@eyesopen.com>
13865 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13866 (size_cost): Encode costs in bytes so that a reg-reg addition is
13867 equivalent to COSTS_N_INSNS(1).
13868 (override_options): Use the size_cost.branch_cost as the default
13869 ix86_branch_cost when optimizing for size.
13871 2006-01-18 Ben Elliston <bje@au.ibm.com>
13873 * Makefile.in (D32PBIT_FUNCS): New.
13874 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13875 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13876 D64PBIT_FUNCS and D128PBIT_FUNCS.
13877 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13878 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13880 (decnumber_dep): Define.
13881 * doc/libgcc.texi (Decimal float library routines): New node.
13882 * config/dfp-bit.h, config/dfp-bit.c: New files.
13884 2006-01-18 Ben Elliston <bje@au.ibm.com>
13886 * expr.c (emit_move_change_mode): Always adjust addresses, not
13887 just during reload. Copy replacements only during reload.
13888 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13889 emit_move_via_integer.
13891 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13893 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13894 instead of $(srcdir) and ${srcdir}.
13896 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13899 PR middle-end/11135
13900 * arm.h (struct machine_function): Add pic_reg.
13901 * arm.c (arm_pic_register): Make unsigned.
13902 (arm_override_options): Only set arm_pic_register if
13903 TARGET_SINGLE_PIC_BASE.
13904 (use_return_insn): Only test for a pic register if it is fixed.
13905 (arm_compute_save_reg0_reg12_mask): Likewise.
13906 (thumb_compute_save_reg_mask): Likewise.
13907 (legitimate_pic_operand): Factor out some known invariants.
13908 (legitimize_pic_address): If we don't have a fixed pic register,
13909 then set up a pseudo in the function entry sequence. Handle the
13910 pic base being in a pseudo.
13911 (arm_load_pic_register): Handle the pic register being in a pseudo.
13912 (arm_expand_prologue): Only set up the pic register if it is fixed.
13913 (thumb_expand_prologue): Likewise.
13914 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13915 (pic_load_addr_based_insn): Likewise.
13916 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13919 2006-01-18 Ben Elliston <bje@au.ibm.com>
13921 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13922 decimal float modes for all floating point registers.
13924 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13925 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13927 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13930 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13931 even when the pointer is not NULL.
13933 2006-01-16 Ian Lance Taylor <ian@airs.com>
13935 * common.opt (ftoplevel-reorder): New option.
13936 * cgraph.c (cgraph_asm_nodes): New global variable.
13937 (cgraph_asm_last_node): New static variable.
13938 (cgraph_order): New global variable.
13939 (cgraph_create_node): Set new order field.
13940 (cgraph_varpool_node): Likewise.
13941 (decide_is_variable_needed): Return true if not
13942 flag_toplevel_reorder.
13943 (cgraph_add_asm_node): New function.
13944 * cgraph.h (struct cgraph_node): Add order field.
13945 (struct cgraph_varpool_node): Add order field.
13946 (struct cgraph_asm_node): Define.
13947 (cgraph_asm_nodes, cgraph_order): Declare.
13948 (cgraph_add_asm_node): Declare.
13949 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13951 (cgraph_varpool_assemble_pending_decls): Call it.
13952 (cgraph_output_pending_asms): New static function.
13953 (cgraph_finalize_compilation_unit): Call it.
13954 (struct cgraph_order_sort): Define.
13955 (cgraph_output_in_order): New static function.
13956 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13957 !flag_toplevel_reorder case.
13958 * c-parser.c: Include "cgraph.h".
13959 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13961 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13962 than -fno-unit-at-a-time.
13963 * doc/invoke.texi (Option Summary): Mention
13964 -fno-toplevel-reorder.
13965 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13966 -funit-at-a-time documentation.
13968 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13969 Kazu Hirata <kazu@codesourcery.com>
13971 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13973 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13975 * Makefile.in (FUNCTION_H): New. Use it instead of
13976 function.h throughout the file.
13977 * function.h: Include tree.h.
13979 2006-01-17 Ben Elliston <bje@au.ibm.com>
13981 * recog.c: Separate some functions with whitespace.
13983 2006-01-16 Richard Henderson <rth@redhat.com>
13985 Merge from gomp branch:
13986 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13987 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13988 and rename from struct inline_data. Rename callee* to dst*;
13989 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13990 transform_new_cfg, transform_return_to_modify, and
13991 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13993 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13994 (copy_decl_for_dup): Remove.
13995 * tree-inline.c (struct inline_data): Move to header.
13996 (insert_decl_map): Export.
13997 (remap_decl): Update for member name changes. Use copy_decl hook.
13998 Allow for replacement to be a non-decl. Remove dead code.
13999 (remap_type_1): Check for existing mapping.
14000 (remap_type): Export.
14001 (remap_decls): Update for member name changes.
14002 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14003 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14004 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14005 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14006 (tree_function_versioning, build_duplicate_type): Likewise.
14007 (copy_body_r): Likewise. Export.
14008 (copy_decl_for_dup): Split into ...
14009 (copy_decl_for_dup_finish, copy_decl_to_var,
14010 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14011 (replace_ref_tree, inlining_p): Remove.
14013 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14015 * ifcvt.c (if_convert): Make it static.
14016 * rtl.h: Remove the prototype for if_convert.
14018 * local-alloc.c (local_alloc): Make it static.
14019 * rtl.h: Remove the prototype for local_alloc.
14021 * loop.c (loop_optimize): Make it static.
14022 * cfgloop.h: Remove the prototype for loop_optimize.
14025 2006-01-16 DJ Delorie <dj@redhat.com>
14027 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14030 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14032 * pa.md: Disparage copies between general and floating-point registers
14033 in 32-bit move patterns.
14035 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14038 * Makefile.in (check-%): Depend on site.exp instead of
14039 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14042 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14044 * global.c (global_alloc): Make it static.
14045 * rtl.h: Remove the prototype for global_alloc.
14047 2006-01-16 Richard Guenther <rguenther@suse.de>
14049 * tree-ssa-alias.c (struct used_part): Add write_only field.
14050 (get_or_create_used_part_for): Initialize it to true.
14051 (create_overlap_variables_for): Don't create structure variables
14052 for structures that only are written to.
14053 (find_used_portions): Handle MODIFY_EXPR to track whether a
14054 structure is only written to.
14056 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14058 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14060 * basic-block.h: Remove the prototype for
14061 partition_hot_cold_basic_blocks.
14063 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14065 * cppspec.c (lang_specific_spec_functions): Remove.
14066 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14067 * gcc.h (lang_specific_spec_functions): Remove.
14068 * gccspec.c (lang_specific_spec_functions): Remove.
14070 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14072 * combine.c (record_value_for_reg): Invalidate registers
14074 (record_dead_and_set_regs_1): Likewise, by passing them to
14075 record_value_for_reg.
14076 (record_dead_and_set_regs): Invalidate stores made by a
14077 call. We do not combine across a call, but we still
14078 relied on equivalences.
14080 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14082 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14083 vrp_int_const_binop returning non-constant nodes.
14085 2006-01-16 Paul Brook <paul@codesourcery.com>
14087 * config/m68k/m68k.c (output_move_const_into_data_reg):
14088 Output correct mnemonic for mvz and mvs.
14090 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14092 * rtl-factoring.c: Add sequence abstraction algorithm.
14093 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14094 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14096 (block_has_preserve_label): New function.
14097 * common.opt: Register new pass.
14098 * Makefile.in: Ditto.
14100 * timevar.def: Ditto.
14101 * tree-pass.h: Ditto.
14102 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14103 * rtl.h (make_jump_insn_raw): Add forward decl.
14104 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14106 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14107 Roger Sayle <roger@eyesopen.com>
14109 * fold-const.c (fold_minmax): New static function.
14110 (fold_binary) <MIN_EXPR>: Call it.
14111 <MAX_EXPR>: Likewise.
14112 * stor-layout.c (place_field): Use DECL_SIZE consistently
14113 in the computation of the new record size.
14115 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14117 * cse.c (cse_condition_code_reg): Make it static.
14118 * rtl.h: Remove the prototype for cse_condition_code_reg.
14120 * combine.c (combine_instructions): Make it static.
14121 * rtl.h: Remove the prototype for combine_instructions.
14123 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14126 * tree.c (get_file_function_name_long): Concatenate the first global
14127 object name with a string derived from the input filename of the object
14130 2006-01-16 Ben Elliston <bje@au.ibm.com>
14132 * config/i386/winnt-stubs.c: Update FSF address.
14133 * config/xtensa/ieee754-df.S: Ditto.
14134 * config/xtensa/ieee754-sf.S: Ditto.
14136 2006-01-14 Ian Lance Taylor <ian@airs.com>
14138 * ifcvt.c (noce_init_if_info): New static function, broken out of
14139 noce_process_if_block.
14140 (noce_process_if_block): Call noce_init_if_info.
14141 (check_cond_move_block): New static function.
14142 (cond_move_process_if_block): New static function.
14143 (process_if_block): Call cond_move_process_if_block.
14145 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14147 * cselib.c (hash_table): Rename to cselib_hash_table.
14148 (cselib_clear_table, discard_useless_values,
14149 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14150 cselib_init, cselib_finish): Adjust uses of hash_table.
14152 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14154 PR tree-optimization/25485
14155 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14156 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14157 is known to be false and true, respectively.
14159 2006-01-14 Richard Guenther <rguenther@suse.de>
14161 PR tree-optimization/22548
14162 PR tree-optimization/22555
14163 PR tree-optimization/22501
14164 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14165 * params.def (salias-max-array-elements): New parameter.
14166 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14167 * doc/invoke.texi (salias-max-array-elements): Document.
14168 * tree-flow-inline.h (var_can_have_subvars): We also handle
14170 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14172 * tree-ssa-structalias.c (params.h): Include.
14173 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14174 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14175 (get_constraint_for): For ADDR_EXPR operating on something
14176 containing an ARRAY_REF, add all subvars to the solution.
14177 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14178 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14179 for creating MUST_DEFs.
14180 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14182 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14184 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14186 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14187 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14188 number_of_iterations_le): New functions.
14189 (number_of_iterations_special): Removed.
14190 (number_of_iterations_exit): Do not use number_of_iterations_special.
14191 * tree.c (unsigned_type_for): Always return integer type.
14193 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14194 Richard Guenther <rguenther@suse.de>
14196 PR rtl-optimization/24257
14197 * gcse.c (find_moveable_store): Only consider a store movable
14198 when the SET_SRC of the insn can be assigned to a register.
14200 2006-01-14 Ian Lance Taylor <ian@airs.com>
14202 * tree.c (tree_not_class_check_failed): New function.
14203 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14204 (tree_not_class_check_failed): Declare.
14206 2006-01-13 Ian Lance Taylor <ian@airs.com>
14208 * reload1.c (do_output_reload): Add assertion rejecting a
14211 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14213 * combine.c (struct reg_stat): Add new fields truncation_label and
14215 (record_value_for_reg): Reset truncated_to_mode.
14216 (record_truncated_value): New function.
14217 (check_promoted_subreg): Call it. Rename to check_conversions.
14218 (combine_instructions): Rename check_promoted_subreg to
14220 (reg_truncated_to_mode): New function.
14221 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14222 (gen_lowpart_or_truncate): New function.
14223 (force_to_mode): Use it instead of gen_lowpart.
14225 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14227 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14228 VAR is a tag, not its type tag.
14230 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14232 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14233 alternatives to match style of other entries.
14234 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14236 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14238 PR tree-optimization/25771
14239 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14242 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14245 * tree-inline.c (declare_return_variable): If the return variable
14246 was marked as a non gimple complex, set the return slot variable
14247 to be a non gimple comple variable.
14249 2006-01-13 Richard Guenther <rguenther@suse.de>
14251 * builtins.c (expand_builtin_sincos): New function.
14252 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14254 (expand_builtin): Expand sincos using expand_builtin_sincos.
14256 2006-01-12 DJ Delorie <dj@redhat.com>
14258 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14259 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14260 so that constant shifts can be split.
14261 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14262 (m32c_valid_pointer_mode): Make static.
14263 (shift_gen_func_for): New.
14264 (m32c_prepare_shift): Use it. Split large const shifts into
14266 * config/m32c/predicates.md (shiftcount_operand): Allow more
14268 (longshiftcount_operand): New.
14269 * doc/md.texi (Machine Constraints): Document In6.
14271 2006-01-13 Ben Elliston <bje@au.ibm.com>
14273 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14274 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14277 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14279 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14280 to try to avoid clobbering pieces of structures when we know
14281 something about the whole structure.
14282 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14284 2006-01-13 Ben Elliston <bje@au.ibm.com>
14286 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14287 return in memory, as this is no limitation is no longer present.
14289 2006-01-12 DJ Delorie <dj@redhat.com>
14291 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14292 mova with fb, and for fb+0 -> An.
14294 * config/m32c/mov.md (peephole2): Fix enabling logic.
14296 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14297 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14298 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14299 FINI_ARRAY_SECTION_ASM_OP): Define.
14301 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14303 (m32c_legitimize_reload_address): New logic to reload FB to An.
14304 (m32c_output_reg_push): Add newline.
14305 (m32c_output_reg_pop): Likewise.
14307 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14309 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14311 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14313 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14315 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14317 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14320 2006-01-11 Ben Elliston <bje@au.ibm.com>
14322 * rtlanal.c (find_reg_note): Assert insn is not null.
14324 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14326 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14329 2006-01-11 Jeff Law <law@redhat.com>
14331 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14333 (mark_threaded_blocks, register_jump_thread): New functions.
14334 (thread_through_all_blocks): Remove unwanted argument. No
14335 longer rely on e->aux to communicate thread target info.
14336 Call mark_threaded_blocks. Release the threaded_blocks
14337 bitmap and threaded_edges vector when complete.
14338 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14339 (threaded_blocks): Remove.
14340 (tree_ssa_dominator_optimize): Remove initialization and
14341 finalization of threaded_blocks. Simplify call to
14342 thread_through_all_blocks.
14343 (thread_across_edge): Call register_jump_thread rather than
14344 storing thread information into e->aux.
14345 (free_all_edge_infos): Simplify now that e->aux is no longer
14346 used to communicate with thread_through_all_blocks.
14347 * tree-flow.h (thread_through_all_blocks): Update prototype.
14348 (register_jump_thread): Prototype.
14350 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14352 * df-core.c (df_compact_blocks, df_bb_replace): Use
14353 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14355 2006-01-11 Richard Guenther <rguenther@suse.de>
14357 PR tree-optimization/25734
14358 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14359 stop propagation after successful propagation to the LHS.
14361 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14363 * basic-block.h (control_flow_graph): Change the type of
14364 x_basic_block_info to VEC(basic_block,gc) *.
14365 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14367 (SET_BASIC_BLOCK): New.
14368 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14369 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14370 * cfgbuild.c (find_basic_blocks): Likewise.
14371 * cfglayout.c (fixup_reorder_chain): Likewise.
14372 * cfgrtl.c (create_basic_block_structure,
14373 rtl_create_basic_block): Likewise.
14374 * ifcvt.c (find_if_case_1): Likewise.
14375 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14378 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14380 * Makefile.in: Removed rotted odf.c entry.
14382 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14385 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14386 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14387 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14388 output pattern modifier, not %e.
14389 * config/cris/cris.c (cris_op_str): Update comment about pattern
14391 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14392 before falling through into...
14393 <case 'E'>: Redefined from old 'e' case.
14395 2006-01-11 Jan Hubicka <jh@suse.cz>
14398 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14400 2006-01-11 Jan Hubicka <jh@suse.cz>
14402 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14403 * i386.c (x86_decompose_lea): Kill.
14404 (ix86_rtx_costs): Kill.
14406 2006-01-11 Jan Hubicka <jh@suse.cz>
14408 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14409 * cgraph.h (cgraph_node): Add inline_decl.
14410 (cgraph_insert_node_to_hashtable): Declare.
14411 (save_inline_function_body): Declare.
14412 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14414 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14415 (cgraph_function_versioning): Update call of tree_function_versioning.
14416 (save_inline_function_body): New function.
14417 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14418 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14419 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14420 (cgraph_default_inline_p): Likewise.
14421 (cgraph_decide_inlining_incrementally): Likewise.
14422 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14423 (copy_bb): Kill saving; do updating of clones.
14424 (copy_cfg_body): Kill saving.
14425 (initialize_inlined-parameters): Likewise.
14426 (expand_call_inline): Likewise.
14428 (tree_function_versioning): New parameter "update_clones".
14429 (inlining_p): Kill saving.
14430 * tree-inline.h (tree_function_versioning): Update prototype.
14431 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14434 2006-01-11 Ian Lance Taylor <ian@airs.com>
14436 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14437 Allow undoing set of machine mode.
14438 (do_SUBST): Use enums instead of is_int.
14439 (do_SUBST_MODE): New function.
14440 (SUBST_MODE): New macro.
14441 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14442 reg and trying to replace reg_regno_rtx with a new register.
14443 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14444 (simplify_set): Use SUBST_MODE.
14445 (distribute_notes): Remove code that tried to update reg notes
14446 for regno_reg_rtx changes.
14448 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14450 PR tree-optimization/23109
14451 PR tree-optimization/23948
14452 PR tree-optimization/24123
14454 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14455 * tree-cfg.c (single_noncomplex_succ): New.
14456 * tree-flow.h (single_noncomplex_succ): Declare it.
14457 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14458 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14459 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14460 insert_bb, register_division_in, insert_reciprocals,
14461 replace_reciprocal, free_bb): New.
14462 (execute_cse_reciprocals_1): Rewritten.
14463 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14464 Do not commit any edge insertion. Always compute dominators and
14465 create the allocation pool.
14466 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14467 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14468 * targhooks.c (default_min_divistions_for_recip_mul): New.
14469 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14470 * passes.c (init_optimization_passes): Run recip after tree loop
14472 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14474 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14475 Kenneth Zadeck <zadeck@naturalbridge.com>
14477 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14478 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14479 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14480 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14481 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14482 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14483 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14484 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14485 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14486 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14487 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14488 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14489 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14490 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14491 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14492 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14493 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14494 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14495 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14496 DF_SCAN_POST_ALLOC): New macros.
14497 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14498 df_free_bb_function, df_local_compute_function, df_init_function,
14499 df_dataflow_function, df_confluence_function_0,
14500 df_confluence_function_n, df_transfer_function,
14501 df_finalizer_function, df_free_function, df_dump_problem_function,
14502 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14503 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14504 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14505 df_urec_bb_info, ) New types.
14506 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14508 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14509 df_analyze_simple_change_some_blocks,
14510 df_analyze_simple_change_one_block, df_compact_blocks,
14511 df_bb_replace, df_bb_regno_last_use_find,
14512 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14513 df_insn_regno_def_p, df_find_def, df_find_use,
14514 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14515 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14516 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14517 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14518 debug_df_chain, df_get_dependent_problem, df_chain_create,
14519 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14520 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14521 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14522 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14523 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14524 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14525 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14526 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14527 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14528 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14529 df_reorganize_refs, df_set_state, df_hard_reg_init,
14530 df_read_modify_subreg_p) New public functions.
14531 * df-core.c: The core dataflow solver and glue routines for rtl
14533 (df_init, df_add_problem, df_set_blocks, df_finish,
14534 df_hybrid_search_forward, df_hybrid_search_backward,
14535 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14536 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14537 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14538 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14539 df_reg_defined, df_find_use, df_reg_used, df_dump,
14540 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14541 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14542 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14543 debug_df_useno, reset_df_after_reload): New functions.
14544 * df-scan.c: The scanning fuctions, once in df.c, completely
14545 rewritten so that they now fully model the functionality of
14546 register usage at the backend.
14547 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14548 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14549 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14550 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14551 df_get_artificial_defs, df_get_artificial_uses,
14552 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14553 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14554 df_refs_delete, df_reorganize_refs, df_set_state,
14555 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14556 df_def_record_1, df_defs_record, df_uses_record,
14557 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14558 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14559 df_record_exit_block_uses, df_hard_reg_init): New functions.
14561 * df-problems.c: Seven concrete dataflow problems that use the
14562 scanning in df-scan.c and are solved by the engine in df-core.c.
14563 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14564 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14565 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14566 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14567 df_ru_free_bb_info, df_ru_alloc,
14568 df_ru_bb_local_compute_process_def,
14569 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14570 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14571 df_ru_transfer_function, df_ru_free, df_ru_dump,
14572 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14573 df_rd_free_bb_info, df_rd_alloc,
14574 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14575 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14576 df_rd_transfer_function, df_rd_free, df_rd_dump,
14577 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14578 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14579 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14580 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14581 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14582 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14583 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14584 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14585 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14586 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14587 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14588 df_urec_mark_reg_use_for_earlyclobber,
14589 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14590 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14591 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14592 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14593 df_chain_create_bb_process_use, df_chain_create_bb,
14594 df_chain_finalize, df_chain_free, df_chains_dump,
14595 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14596 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14597 df_reg_lifetime): New functions.
14598 * df.c: Deleted file.
14599 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14600 consistent with new df api.
14601 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14602 rest_of_handle_sms): Ditto.
14603 * web.c (unionfind_union, union_defs, entry_register, web_main):
14605 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14606 invariant_expr_equal_p, find_defs, check_dependencies,
14607 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14608 free_inv_motion_data, move_loop_invariants): Ditto.
14609 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14610 Update dependencies.
14611 (odf.c): Added defective entry that was deleted later in day.
14612 * sched-deps.c (sched_analyze_1): Ditto.
14614 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14616 * tree-ssa-operands.c (get_expr_operands): Record addressable
14617 variables directly. Do not call add_stmt_operands for CONST_DECLs
14619 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14620 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14622 2006-01-11 Ben Elliston <bje@au.ibm.com>
14624 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14625 function returns true in the positive case.
14627 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14630 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14631 for SI, DI, SF and DF modes. Add alternatives to copy between
14632 general and floating point registers to the 32-bit patterns.
14633 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14634 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14635 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14636 generating 64-bit code.
14637 * config/pa/pa.c (output_move_double): Handle copies between general
14638 and floating registers.
14640 2006-01-10 Stuart Hastings <stuart@apple.com>
14642 * config/i386/i386.md (set_got): Update.
14643 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14644 (builtin_setjmp_receiver): Mach-O support.
14645 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14646 (GOT_SYMBOL_NAME): Define.
14647 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14648 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14649 * config/i386/i386.c (override_options): Revise for Darwin.
14650 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14651 support. (darwin_x86_file_end): New. (output_set_got): Add label
14652 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14653 * config/i386/i386-protos.h (output_set_got): Likewise.
14654 * config/darwin.c (machopic_legitimize_pic_address): Update
14657 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14659 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14660 when MODE isn't BLKmode.
14662 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14664 PR rtl-optimization/25367
14665 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14667 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14670 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14671 for a negative bound.
14673 2006-01-10 Richard Guenther <rguenther@suse.de>
14675 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14676 Never override with anything constraint.
14678 2006-01-10 Jan Beulich <jbeulich@novell.com>
14680 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14681 256 bits when optimize_size.
14683 2006-01-10 Jan Beulich <jbeulich@novell.com>
14685 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14687 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14688 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14691 2006-01-10 Ben Elliston <bje@au.ibm.com>
14693 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14695 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14696 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14697 (USE_FP_FOR_ARG): Reject decimal float modes.
14698 (function_arg_advance): Likewise.
14699 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14700 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14701 point types in AltiVec vectors.
14702 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14703 (rs6000_libcall_value): Likewise.
14705 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14707 * config/xtensa/ieee754-df.S: New file.
14708 * config/xtensa/ieee754-sf.S: New file.
14709 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14710 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14711 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14713 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14715 * config/sh/predicates.md (binary_float_operator,
14716 binary_logical_operator, commutative_float_operator,
14717 equality_comparison_operator, greater_comparison_operator,
14718 less_comparison_operator, logical_operator,
14719 noncommutative_float_operator, shift_operator,
14720 symbol_ref_operand, unary_float_operator): Remove redundant
14723 2006-01-09 Jeff Law <law@redhat.com>
14725 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14726 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14727 now unused arguments. Callers updated.
14728 (eliminate_redundant_computations): Remove now unused arguments,
14730 (local_fold): Remove, no longer used.
14731 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14733 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14734 (simplify_cond): New function.
14735 (forward_propagate_into_cond): Call simplify_cond.
14737 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14739 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14740 (*vec_extractv2di_1_sse): New.
14742 2006-01-09 Ben Elliston <bje@au.ibm.com>
14744 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14746 2006-01-08 Richard Guenther <rguenther@suse.de>
14748 * tree-ssa-structalias.c (get_constraint_for): Remove
14749 anyoffset argument.
14750 (get_constraint_for_component_ref): Likewise.
14751 (do_deref): Likewise.
14752 (get_constraint_for): Likewise.
14753 (do_structure_copy): Likewise.
14754 (handle_ptr_arith): Likewise.
14755 (find_func_aliases): Likewise. Remove unused need_anyoffset
14758 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14759 Kaz Kojima <kkojima@gcc.gnu.org>
14761 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14762 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14763 (EXTRA_CONSTRAINT_C16): Remove.
14764 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14765 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14766 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14767 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14768 constants of SHmedia. Handle nested constant expressions of
14770 (andcosts): Fix the costs for SHmedia constants.
14771 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14772 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14773 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14774 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14775 (movv4hi_i, movv2si_i): Likewise.
14776 (movsi_const): Adjust the second operand of ior so to match with
14777 the Csu constraint.
14778 (movdi_const, movdi_const_32bit): Likewise.
14779 (movdi_const_16bit+1): Don't sign-extend LOW.
14780 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14782 (*double_shori): Fix the split condition. Use GEN_INT instead
14783 of get_int_mode calls. Mask lower 16-bit of the argument of
14785 (sym2GOTPLT): Remove.
14786 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14788 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14789 instead of EXTRA_CONSTRAINT_C16.
14791 2006-01-07 Ian Lance Taylor <ian@airs.com>
14792 David Edelsohn <edelsohn@gnu.org>
14794 PR rtl-optimization/25662
14795 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14796 for constant operands instead of simplify_gen_binary.
14797 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14798 after trying simplify_binary_operation
14800 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14802 * tree.c (iterative_hash_expr): Hash decls based on UID.
14804 2006-01-06 Eric Christopher <echristo@apple.com>
14806 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14807 (TARGET_UNWIND_EMIT): Fix spelling.
14808 * target.h (gcc_target): Add except_table_label.
14809 * except.c (output_function_exception_table): Use.
14810 * varasm.c (default_emit_except_table_label): New.
14811 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14813 (asm_out): Add here.
14814 * output.h (default_emit_except_table_label): Prototype.
14815 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14816 * config/darwin.c (darwin_emit_except_table_label): Define.
14817 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14819 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14821 PR tree-optimization/18527
14822 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14823 number_of_iterations_special, number_of_iterations_exit):
14824 Move base and step of an iv to a single structure. Add
14825 no_overflow flag, and use it in # of iterations analysis.
14826 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14827 folded_casts argument.
14828 (simple_iv): Pass base and step in a structure. Set no_overflow
14830 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14831 Evaluate expensiveness of computing # of iterations instead of
14832 the final expression.
14833 * tree-scalar-evolution.h (affine_iv): New structure.
14834 (simple_iv): Declaration changed.
14835 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14836 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14837 find_givs_in_stmt): Changed due to simple_iv change.
14839 2006-01-06 Jeff Law <law@redhat.com>
14842 * tree-cfg.c (bsi_replace): Rename final argument from
14843 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14844 change (stmt -> orig_stmt).
14845 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14846 (bsi_remove): Add new argument. Remove EH information
14848 (verify_eh_throw_table_statements): New function.
14849 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14851 * tree-optimize.c (execute_free_cfg_annotations): Verify
14852 the EH throw statement table after removing annotations.
14853 * except.h (verify_eh_throw_table_statements): Prototype.
14854 * tree-flow.h (bsi_remove): Update prototype.
14855 * tree-vrp.c (remove_range_assertions): Add new argument to
14857 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14858 * tree-complex.c (expand_complex_div_wide): Likewise.
14859 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14860 * tree-tailcall.c (eliminate_tailcall): Likewise.
14861 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14862 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14863 * tree-nrv.c (tree_nrv): Likewise.
14864 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14865 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14866 (combine_blocks): Likewise.
14867 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14868 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14869 (cleanup_control_flow): Likewise.
14870 (remove_forwarder_block): Likewise.
14871 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14872 * tree-sra.c (sra_replace): Likewise.
14873 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14874 (forward_propagate_single_use_vars): Likewise.
14875 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14876 * tree-inline.c (expand_call_inline): Likewise.
14877 * tree-vect-transform.c (vect_transform_loop): Likewise.
14878 * tree-outof-ssa.c (rewrite_trees): Likewise.
14879 * tree-cfg.c (make_goto_expr_edges): Likewise.
14880 (cleanup_dead_labels): Likewise.
14881 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14882 (bsi_move_before, bsi_move_after): Likewise.
14883 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14884 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14886 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14889 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14891 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14892 on non gimple variables. Also add checks at the top for decls and
14894 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14896 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14897 and IMAGPART_EXPR for creating MUST_DEFs.
14898 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14899 and NAME_MEMORY_TAG separately from the DECLs.
14901 2006-01-06 Richard Guenther <rguenther@suse.de>
14903 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14904 annotation, if necessary.
14905 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14906 redundant calls to update_stmt.
14907 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14910 2006-01-05 Richard Henderson <rth@redhat.com>
14912 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14914 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14916 * c-typeck.c: Update copyright date.
14918 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14920 * c-typeck.c (build_c_cast): Always warn when casting
14921 from a pointer to an integer of different size, even if
14922 the node was constant.
14924 2006-01-05 Richard Guenther <rguenther@suse.de>
14926 PR tree-optimization/22555
14927 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14928 if one structure field is an array.
14929 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14930 operands even if we found a subvar, but ignore VOPs in this
14932 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14934 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14936 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14938 PR middle-end/24998
14939 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14941 2006-01-05 Richard Guenther <rguenther@suse.de>
14942 Diego Novillo <dnovillo@redhat.com>
14944 * tree-pass.h (TODO_remove_unused_locals): Define.
14945 * gimple-low.c (expand_var_p, remove_useless_vars,
14946 pass_remove_useless_vars): Remove. Update all users.
14947 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14948 (remove_unused_locals): New function.
14949 * tree-flow.h (remove_unused_locals): Declare.
14950 * passes.c (execute_todo): Call remove_unused_locals if
14951 TODO_remove_unused_locals is set.
14952 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14953 * tree-ssa-dce.c (pass_dce): Likewise.
14954 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14956 2006-01-05 Richard Guenther <rguenther@suse.de>
14958 * tree-flow.h (struct fieldoff): Decompose field to
14959 type, size and decl.
14960 * tree-ssa-alias.c (create_sft): Take type as parameter.
14961 (create_overlap_variables_for): Store type, size and decl
14962 in the fieldoff structure.
14963 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14964 of struct fieldoff.
14965 (push_fields_onto_fieldstack): Likewise.
14966 (create_variable_info_for): Likewise. Use offset for the
14967 SFT name if the decl is not available.
14969 2006-01-04 Paul Brook <paul@codesourcery.com>
14971 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14973 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14975 * lambda-code.c (can_put_in_inner_loop): Relax
14977 (can_put_after_inner_loop): New function.
14978 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14979 (perfect_nestify): Change to make copies and modify uses.
14981 2006-01-04 Richard Henderson <rth@redhat.com>
14983 Merge from gomp branch:
14984 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14985 via integer constant.
14986 (pragma_lex): Remove.
14987 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14988 rather than parsing it.
14989 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14990 handle_pragma_extern_prefix): Add %< %> quotes.
14991 (registered_pragmas): New.
14992 (c_register_pragma_1): New.
14993 (c_register_pragma): Use it.
14994 (c_register_pragma_with_expansion): Likewise.
14995 (c_invoke_pragma_handler): New.
14996 (init_pragma): Use cpp_register_deferred_pragma directly for
14998 * c-pragma.h (enum pragma_kind): New.
14999 (pragma_handler): New.
15000 (c_invoke_pragma_handler): Declare.
15001 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15003 * c-common.h (c_common_pch_pragma): Update decl.
15004 * Makefile.in (c-parser.o): Update dependencies.
15005 (GTFILES): Add c-pragma.h.
15006 * c-parser.c (struct c_token): Add pragma_kind.
15007 (struct c_parser): Add in_pragma.
15008 (c_lex_one_token): Always initialize keyword and pragma_kind.
15009 Extract data for CPP_PRAGMA.
15010 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15011 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15012 Don't allow CPP_PRAGMA_EOL if in_pragma.
15013 (c_parser_consume_pragma): New.
15014 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15015 (c_parser_skip_to_end_of_parameter): Likewise.
15016 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15017 (c_parser_skip_to_pragma_eol): New.
15018 (c_parser_external_declaration): Handle CPP_PRAGMA.
15019 (c_parser_compound_statement_nostart): Likewise.
15020 (c_parser_statement_after_labels): Likewise.
15021 (c_parser_pragma): New.
15022 (pragma_lex): Likewise.
15023 (c_parser_pragma_pch_preprocess): New.
15024 (c_parser_new): Merge into ...
15025 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15027 2006-01-04 Jeff Law <law@redhat.com>
15030 * tree-cfg.c (bsi_replace): Remove the original statement
15031 from the EH throw statement table.
15033 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15035 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15036 make the prototype extern "C" and add throw ().
15039 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15040 and pos non-negative and pos + len <= 32.
15041 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15042 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15043 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15046 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15047 as well as sizes not multiple of component size.
15050 * function.c (instantiate_expr): New function.
15051 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15052 walk its DECL_VALUE_EXPR with instantiate_expr.
15054 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15055 DW_OP_deref{,_size} if address isn't going to be added.
15057 2006-01-04 Ben Elliston <bje@au.ibm.com>
15059 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15060 * config/fp-bit.c: Likewise.
15062 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15064 * dominance.c: Add comment about why we use DFS numbering
15067 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15068 Richard Henderson <rth@redhat.com>
15070 Merge from gomp-branch:
15071 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15072 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15074 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15076 PR rtl-optimization/25578
15077 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15078 pass a parameter to simplify_shift_const if changing ASHIFTRT
15081 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15083 * builtins.c (get_builtin_sync_mem): New function.
15084 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15085 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15086 Call get_builtin_sync_mem to generate mem rtx.
15088 2006-01-03 Richard Guenther <rguenther@suse.de>
15091 * stmt.c (add_case_node): Make sure to clear overflow flags
15094 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15096 Merge from gomp-branch.
15097 * config/sparc/sync.md: New file.
15098 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15099 UNSPECV_LDSTUB): New constants.
15100 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15101 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15102 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15105 2006-01-03 Roger Sayle <roger@eyesopen.com>
15107 * combine.c (reg_subword_p): New predicate to test whether the
15108 destination of a set refers to a subword/piece of a register.
15109 (try_combine): Generalize the code to merge the setting of a
15110 pseudo to a constant followed by a set of a subword of that
15111 register to a constant.
15113 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15115 * basic-block.h (control_flow_graph): Change the type of
15116 x_label_to_block_map to VEC(basic_block,gc) *.
15117 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15118 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15120 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15121 VEC(basic_block,heap) *.
15122 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15123 ssa_prop_fini): Adjust the uses of cfg_blocks.
15125 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15127 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15129 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15130 hashing trees instead of a pointer hash.
15131 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15132 compare for MEM_EXPR.
15134 PR rtl-optimization/25130
15135 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15136 when comparing MEMs for GCSE
15138 2006-01-03 Ben Elliston <bje@au.ibm.com>
15140 * targhooks.h (default_decimal_float_supported_p): Declare.
15141 * targhooks.c (default_decimal_float_supported_p): Define.
15142 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15143 `default_decimal_float_supported_p'.
15144 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15146 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15148 * combine.c (apply_distributive_law <SUBREG>): Check
15149 TRULY_NOOP_TRUNCATION.
15151 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15153 * dwarf2out.c (have_switched_text_section): Delete.
15154 (have_multiple_function_sections): New.
15155 (have_location_lists): Make 'bool'.
15156 (add_AT_loc_list): Use 'true' not '1'.
15157 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15158 (output_loc_list): Use have_multiple_function_sections.
15159 (output_ranges): Likewise.
15160 (dwarf2out_begin_function): Set have_multiple_function_sections if
15162 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15163 Check function_section rather than DECL_SECTION_NAME.
15164 (dwarf2out_finish): Use have_multiple_function_sections.
15165 Don't clear have_location_lists.
15167 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15168 Jan Hubicka <jh@suse.cz>
15170 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15171 case of conditional jump jumping to the next instruction.
15172 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15173 cases of conditional jump jumping to the next instruction.
15175 2006-01-02 Jan Hubicka <jh@suse.cz>
15177 * i386.c (*_cost): Add COSTS_N_INSNS.
15178 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15180 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15183 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15185 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15187 * config/arm/arm.c (all_fpus): Fix comment typo.
15188 * config/darwin.c: Likewise.
15189 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15190 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15191 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15193 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15195 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15196 (rs6000_split_compare_and_swapqhi): New.
15197 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15198 (sync_compare_and_swapqhi_internal): New.
15199 * config/rs6000/rs6000-protos.h: Declare.