1 2006-09-15 Nick Clifton <nickc@redhat.com>
3 * doc/md.texi (Processor pipeline description): Fix typo in
4 example of how to use the absence_set directive and reword the
5 description to make it slightly easier to read.
7 2005-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
9 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
10 * loop-doloop.c (doloop_optimize): Use it to limit costs of
11 expanding the number of iterations.
12 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
14 * cfgrtl.c (emit_insn_at_entry): New function.
15 * rtl.h (emit_insn_at_entry): Declare it.
16 * integrate.c (emit_initial_value_sets): Use it.
18 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
20 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
22 (struct loop_work and related VEC declarations): Delete.
23 (bfin_dump_loops): Print out new member bad.
24 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
25 (bfin_scan_loop): Don't recurse.
26 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
27 loops. No longer need to update outer loops if the current one is
28 found bad. Move some validitiy checks to bfin_discover_loop.
29 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
30 but changed not to check for nesting. Also changed to use the new bad
32 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
33 time. Use bitmap based test to discover loop nesting.
35 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
37 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
40 2006-09-14 Richard Guenther <rguenther@suse.de>
41 Kazu Hirata <kazu@codesourcery.com>
44 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
45 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
46 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
47 with TARGET_FUNCTION_VALUE.
49 2006-09-14 Anatoly Sokolov <aesok@post.ru>
52 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
54 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
56 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
59 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
62 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
65 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
67 * basic_block.h (bb_has_eh_pred): Fix comment.
69 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
71 * flow.c (calculate_global_regs_live): Invalidate eh registers
72 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
73 (propagate_block): Handle eh registers as if they were set at basic
75 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
77 * global.c (global_conflicts): Make eh registers to conflict with
78 pseudos live at basic block begin.
79 * basic_block.h (bb_has_eh_pred): New function.
81 2006-09-13 Richard Sandiford <richard@codesourcery.com>
83 PR rtl-optimization/28982
84 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
85 index of a PRE_MODIFY or POST_MODIFY address.
86 * reload1.c (inc_for_reload): Use find_replacement on the original
87 base and index registers.
89 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
91 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
92 for -Os. Update __m128 alignment requirement.
94 2006-09-13 Jan Hubicka <jh@suse.cz>
96 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
98 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
100 PR rtl-optimization/28243
101 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
102 the insn to which the note was originally attached.
104 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
105 Roger Sayle <roger@eyesopen.com>
107 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
108 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
109 on platforms that don't use dwarf for debug info.
111 2006-09-12 Jason Merrill <jason@redhat.com>
114 * builtins.c (expand_builtin_setjmp_receiver): Clobber
115 hard_frame_pointer_rtx after using it to update the frame pointer.
117 2006-09-12 Roger Sayle <roger@eyesopen.com>
119 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
120 (TARGET_ASM_CLOSE_PAREN): Likewise.
121 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
122 (TARGET_ASM_CLOSE_PAREN): Likewise.
124 2006-09-12 Roger Sayle <roger@eyesopen.com>
127 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
128 frame information for frames larger than 512 Kbytes on Tru64 when
129 using the native assembler.
131 2006-09-12 Roger Sayle <roger@eyesopen.com>
135 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
136 and symbols. Instead use the implementation from cse.c's hash_rtx.
138 2006-09-12 Jan Hubicka <jh@suse.cz>
140 PR rtl-optimization/28071
141 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
142 (vect_transform_loop): Likewise.
143 * tree-vectorizer.c (new_loop_vec_info): Likewise.
144 (new_loop_vec_info): Likewise.
145 (destroy_loop_vec_info): Likewise.
146 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
147 (create_stmt_ann): Likewise.
148 (create_tree_ann): Rename to ...
149 (create_tree_common_ann): ... this one; allocate only the common part
151 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
152 (get_value_handle): Likewise.
153 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
155 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
156 (vinfo_for_stmt): Use stmt annotations.
157 * tree-flow.h (tree_ann_common_t): New type.
158 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
159 (tree_ann, get_tree_ann, create_tree_ann): New.
160 * tree-flow-inline.h (get_function_ann): Do more type checking.
161 (stmt_ann): Likewise.
162 (tree_ann): Rename to ...
163 (tree_common_ann): ... this one; return ony common_ann
164 (get_tree_ann): Rename to ...
165 (tree_common_ann): This one; return only common_ann.
166 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
169 2006-09-11 Geoffrey Keating <geoffk@apple.com>
171 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
174 * dwarf2out.c (dwarf_file_data): New.
175 (enum dw_val_class): Add dw_val_class_file.
176 (struct dw_val_struct): Add val_file.
177 (file_table): Change to a hash table.
178 (file_table_emitted): Delete.
179 (file_table_last_lookup_index): Delete.
181 (last_emitted_file): New.
182 (lookup_filename): Change prototype to return a struct dwarf_file_data.
183 (init_file_table): Delete.
184 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
185 (AT_addr): Add comment.
189 (print_die): Handle dw_val_class_file.
190 (print_dwarf_line_table): Update for new file table structure.
191 (attr_checksum): Do checksum a filename.
192 (same_dw_val_p, same_attr_p): Do compare a filename.
193 (size_of_die): Handle dw_val_class_file.
194 (value_format): Likewise.
195 (output_die): Likewise. Also, call maybe_emit_file here.
196 (struct file_info): Constify filenames. Make file_idx a pointer
197 to a struct dwarf_file_data.
198 (struct dir_info): Constify directory names. Remove 'used' field.
199 (struct file_name_acquire_data): New.
200 (file_name_acquire): New.
201 (output_file_names): Modify to handle new file data structures.
202 (add_src_coords_attributes): Use add_AT_file.
203 (add_call_src_coords_attributes): Likewise.
204 (dwarf2out_imported_module_or_decl): Likewise.
205 (gen_subprogram_die): Modify for new file data structures.
206 (gen_variable_die): Likewise.
207 (file_table_eq): New.
208 (file_table_hash): New.
209 (file_table_last_lookup): New.
210 (lookup_filename): Rewrite to handle new file data structures.
211 (maybe_emit_file): Rewrite to handle new file data structures.
212 (dwarf2out_source_line): Always call lookup_filename and
214 (dwarf2out_init): Create file_table here.
215 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
216 (file_table_relative_p): New.
217 (dwarf2out_finish): Change detection of relative filenames
218 to work with new file data structures. Move output_line_info call
219 after debug_info output.
221 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
226 * config/i386/i386.c (override_options): Always default to 16
229 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
232 * var-tracking.c (dump_dataflow_set): Start dumping at
234 (clobber_variable_part): Kill only the variable part in
235 registers holding it, leaving other variables alone.
237 2006-09-11 Josh Triplett <josh@freedesktop.org>
239 * doc/extend.texi (Other Builtins): Actually use the macro
240 argument in the documentation example for
241 __builtin_types_compatible_p.
243 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
245 PR rtl-optimization/28726
246 * sched-deps.c (sched_analyze_reg): New function extracted from...
247 (sched_analyze_1): ...here. Call it to analyze references to
248 registers. Treat again writes to a stack register as writing to the
250 (sched_analyze_2): ...and here. Call it to analyze references to
251 registers. Treat again reads of a stack register as reading the
254 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
255 David Edelsohn <edelsohn@gnu.org>
258 * config/rs6000/spe.md (frob_df_di): Remove %H.
259 (frob_di_df): Remove %H. Change evmergelo to mr.
260 (frob_di_df_2): Remove %H. Change evldd to two loads.
262 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
264 * doc/cpp.texi: Fix names of charset options.
266 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
269 * config/i386/i386.c (override_options): Use 128-bit
270 stack boundary always for 64bits.
272 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
274 PR rtl-optimization/28636
275 * combine.c (force_to_mode): Test for side-effects before
276 substituting by zero.
277 (simplify_shift_const): Likewise for zero or other constants.
279 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
282 * builtins.c (expand_builtin_setjmp): Force next_lab to be
285 2006-09-10 Richard Sandiford <richard@codesourcery.com>
288 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
289 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
290 returned by mode_for_size, rather than the mode of src itself,
291 to choose between 32-bit and 64-bit patterns.
292 (mips_mem_fits_mode_p): New function.
293 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
294 that the size of the source matches the size of the destination.
295 (mov_<store>l, mov_<store>r): Likewise.
297 2006-09-10 Eric Christopher <echristo@apple.com>
299 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
302 2006-09-09 Eric Christopher <echristo@apple.com>
305 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
308 2006-09-09 Roger Sayle <roger@eyesopen.com>
309 Nicolas Setton <setton@adacore.com>
311 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
313 2006-09-10 Andreas Schwab <schwab@suse.de>
315 * config/m68k/m68k.md (bungt_rev): New pattern.
317 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
318 Dale Johannesen <dalej@apple.com>
321 * regclass.c (struct reg_pref): Update documentation.
322 (regclass): Set prefclass to NO_REGS if memory is the best option.
323 (record_reg_classes): Cope with a prefclass set to NO_REGS.
325 2006-09-08 Eric Christopher <echristo@apple.com>
327 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
328 * config/t-slibgcc-darwin: Support x86_64 multilib.
329 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
330 Return 1 for x86_64-darwin.
331 * config/i386/t-darwin: Add m64 multilib.
332 (LIB2_SIDITI_CONV_FUNCS): Use.
333 (LIB2FUNCS_EXTRA): Ditto.
334 * config/i386/darwin.h: Support x86_64.
335 * config/i386/i386.c (override_options): Turn on flag_pic
336 for x86_64-darwin. Disable flag_omit_pointer.
337 (get_pc_thunk_name): Assert !TARGET_64BIT.
338 (legitimate_address_p): Disable machopic addressing for
340 (legitimize_pic_address): Ditto.
341 (ix86_expand_move): Ditto.
342 (ix86_expand_call): Ditto.
343 (machopic_output_stub): Ditto.
344 * config/darwin.c (machopic_select_section): Support literal16.
345 (machopic_select_rtx_section): Ditto.
346 * config/darwin-sections.def: Ditto.
347 * config/darwin-64.c: New.
349 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
352 * c-tree.h (struct c_arg_info): Add pending_sizes.
353 * c-parser.c (c_parser_parms_declarator,
354 c_parser_parms_list_declarator): Initialize pending_sizes.
355 * c-decl.c (get_parm_info): Initialize pending_sizes.
356 (get_parm_info): Set pending_sizes.
357 (grokdeclarator): Call put_pending_sizes for parameters for
358 function definition only.
360 2006-09-07 Jason Merrill <jason@redhat.com>
363 * varasm.c (output_constant): Only strip actual no-op conversions.
366 * config/i386/i386.c (override_options): Use 128-bit
367 stack boundary if -msse.
369 2006-09-07 Eric Christopher <echristo@apple.com>
371 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
373 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
376 2006-09-07 Geoffrey Keating <geoffk@apple.com>
378 * dwarf2out.c: Remove strange characters from comment above
379 dwarf2out_frame_debug_expr.
381 2006-09-07 Eric Christopher <echristo@apple.com>
383 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
384 * config/darwin.h: ... to here.
386 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
388 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
390 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
391 (TARGET_PARTIAL_FLAG_REG_STALL): New.
393 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
394 TARGET_PARTIAL_FLAG_REG_STALL.
395 (*ashldi3_cconly_rex64): Likewise.
396 (*ashlsi3_cmp): Likewise.
397 (*ashlsi3_cconly): Likewise.
398 (*ashlsi3_cmp_zext): Likewise.
399 (*ashlhi3_cmp): Likewise.
400 (*ashlhi3_cconly): Likewise.
401 (*ashlqi3_cmp): Likewise.
402 (*ashlqi3_cconly): Likewise.
403 (*ashrdi3_cmp_rex64): Likewise.
404 (*ashrdi3_cconly_rex64): Likewise.
405 (*ashrsi3_cmp): Likewise.
406 (*ashrsi3_cconly): Likewise.
407 (*ashrsi3_cmp_zext): Likewise.
408 (*ashrhi3_cmp): Likewise.
409 (*ashrhi3_cconly): Likewise.
410 (*ashrqi3_cmp): Likewise.
411 (*ashrqi3_cconly): Likewise.
412 (*lshrdi3_cmp_rex64): Likewise.
413 (*lshrdi3_cconly_rex64): Likewise.
414 (*lshrsi3_cmp): Likewise.
415 (*lshrsi3_cconly): Likewise.
416 (*lshrsi3_cmp_zext): Likewise.
417 (*lshrhi3_cmp): Likewise.
418 (*lshrhi3_cconly): Likewise.
419 (*lshrqi2_cmp): Likewise.
420 (*lshrqi2_cconly): Likewise.
422 2006-09-07 Uros Bizjak <uros@kss-loka.si>
425 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
426 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
427 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
428 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
429 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
430 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
431 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
432 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
433 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
434 implement only CC setting effects of shift instructions.
436 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
438 * doc/contrib.texi: Add myself.
440 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
443 * stor-layout.c (relayout_decl): Don't zero the alignment if it
446 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
449 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
450 (divsi_inv_m1): Use them.
451 (UNSPEC_DIV_INV_TABLE): New constant.
453 2006-09-06 James E Wilson <wilson@specifix.com>
456 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
457 then call count_or_remove_death_notes.
459 2006-09-06 Jason Merrill <jason@redhat.com>
462 * tree-inline.c (copy_result_decl_to_var): New fn.
463 (declare_return_variable): Use it. Call declare_inline_vars here.
464 (expand_call_inline): Not here.
466 2006-09-06 Diego Novillo <dnovillo@redhat.com>
468 * doc/contrib.texi: Update my entry.
470 2006-09-06 Nick Clifton <nickc@redhat.com>
472 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
474 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
477 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
478 (canonicalize_induction_variables): Likewise.
479 (tree_unroll_loops_completely): Likewise.
480 (tree_ssa_prefetch_arrays): Likewise.
481 (remove_empty_loops): Likewise.
482 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
483 TODO_cleanup_cfg instead of directly calling
484 cleanup_tree_cfg_loop.
485 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
487 (tree_unroll_loops_completely): Likewise.
488 (remove_empty_loops): Likewise.
489 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
490 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
491 of tree_ssa_unswitch_loops.
492 (tree_ssa_loop_ivcanon): Use the return value of
493 canonicalize_induction_variables.
494 (tree_ssa_empty_loop): Use the return value of
496 (tree_complete_unroll): Use the return value of
497 tree_unroll_loops_completely.
498 (tree_ssa_loop_prefetch): Use the return value of
499 tree_ssa_prefetch_arrays.
500 * passes.c (execute_todo): Before Cleanup CFG, set
501 updating_used_alone and after cleanup CFG, call
502 recalculate_used_alone.
504 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
507 * tree-vect-transform.c (vectorizable_condition): Move the check
508 for the type after the check for simple condition.
510 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
511 Kaz Kojima <kkojima@gcc.gnu.org>
514 * mode-switching.c (optimize_mode_switching): Make the destination
515 block of an abnormal edge have no anticipatable mode. Don't
516 insert mode switching code at the end of the source block of
519 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
521 PR rtl-optimization/26847
522 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
523 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
524 (simplify_plus_minus): Count n_constants while filling ops. Replace
525 qsort with insertion sort. Before going through the array to simplify
526 pairs, sort it. Delay early exit until after the first sort, exiting
527 only if no swaps occurred. Simplify pairs in reversed order, without
528 special-casing the first iteration. Pack ops after simplifying pairs.
530 2006-09-05 Anatoly Sokolov <aesok@post.ru>
532 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
533 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
534 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
535 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
537 2006-09-05 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/28900
540 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
541 compound conditional before creating COND_EXPR condition.
543 2006-09-05 Richard Guenther <rguenther@suse.de>
545 PR tree-optimization/28905
546 * tree-vrp.c (fix_equivalence_set): Manually implement
547 !value_ranges_intersect_p to also handle symbolic ranges.
549 2006-09-05 Richard Guenther <rguenther@suse.de>
552 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
555 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
557 PR rtl-optimization/27616
558 * cse.c (table_size): New static variable.
559 (new_basic_block): Initialize it to 0.
560 (remove_from_table): Decrement it.
561 (insert): Increment it.
562 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
563 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
564 fold_rtx_mem_1 if under the cap.
565 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
566 the lookup of the equivalent expression and test for equality of the
567 first operand of the equivalent expression before in turn looking up
568 an equivalent constant for the second operand.
570 2006-09-02 Geoffrey Keating <geoffk@apple.com>
573 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
574 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
575 pointer, instead of assuming it is possible to derive the
576 correct args size from a call insn.
578 2006-09-02 Jakub Jelinek <jakub@redhat.com>
581 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
582 (fold_builtin_mempcpy): Rename to...
583 (fold_builtin_memory_op): ... this. Optimize one element copy
585 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
587 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
588 (expand_builtin_memcpy, expand_builtin_mempcpy,
589 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
590 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
591 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
592 BUILT_IN_MEM{CPY,PCPY,MOVE}.
594 2006-09-01 DJ Delorie <dj@redhat.com>
596 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
598 ("stzx_24_<mode>"): Likewise.
599 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
600 ("cmp<mode>_op"): New.
601 (cmp<mode>): Change to expander; just save operands.
603 (b<code>): Change to expander, emit compare here.
604 (s<code>_op): Change to use split and expander.
605 (s<code>_24_op): Likewise.
606 (s<code>_<mode>): New.
607 (s<code>_<mode>_24): New.
608 (movqicc_<code>_<mode): New.
609 (movhicc_<code>_<mode>): New.
612 * config/m32c/m32c.c (compare_op0, compare_op1): New.
613 (m32c_pend_compare): New.
614 (m32c_unpend_compare): New.
615 (m32c_expand_scc): New.
616 (m32c_expand_movcc): Emit the compare also.
617 * config/m32c/predicates.md (mra_nopp_operand): New.
619 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
620 Richard Guenther <rguenther@suse.de>
621 Adam Nemet <anemet@caviumnetworks.com>
624 * builtins.c (get_pointer_alignment): Handle more forms
625 of base addresses that can be used to derive more precise
626 information about alignment.
628 2006-09-01 Jason Merrill <jason@redhat.com>
631 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
634 * gimplify.c (voidify_wrapper_expr): Handle null type.
636 2006-09-01 Josh Conner <jconner@apple.com>
639 * tree-nrv.c (dest_safe_for_nrv_p): New function.
640 (execute_return_slot_opt): Use it.
642 2006-08-31 Josh Conner <jconner@apple.com>
645 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
646 returning aggregates.
648 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
650 PR tree-optimization/28839
651 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
652 blocks in that phi arguments appear.
654 2006-08-31 Roger Sayle <roger@eyesopen.com>
657 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
658 NULL, otherwise use an advance_loc4 to adjust relative to the
660 (output_cfi) <DW_CFA_set_loc>: Update the current label.
661 (dwarf2out_switch_text_section): Reset the current label to avoid
662 using advance_loc4 over section boundaries.
664 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
667 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
668 r12 + SYMBOLIC_CONST.
670 2006-08-30 Richard Guenther <rguenther@suse.de>
672 * Makefile.in (see.o): Add $(EXPR_H) dependency.
674 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
676 PR rtl-optimization/27735
677 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
678 Add new argument to keep track of whether an irreducible region
679 was affected. All callers changed.
680 (fix_irreducible_loops): Removed.
681 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
682 flags were invalidated.
684 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
686 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
687 instead of SF operands.
688 (*fop_df_comm_sse): Likewise.
689 (*fop_df_comm_i387): Likewise.
690 (*fop_df_1_mixed): Likewise.
691 (*fop_df_1_sse): Likewise.
693 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
694 J"orn Rennecke <joern.rennecke@st.com>
696 PR tree-optimization/17506
697 * tree-ssa.c (warn_uninit): If warning about a location outside of
698 the current function, note where the variable was declared.
700 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
702 PR tree-optimization/28411
703 * double-int.c (double_int_div): Use double_int_divmod.
704 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
705 double_int_mod, double_int_smod, double_int_umod): New functions.
706 * double-int.h (double_int_divmod, double_int_sdivmod,
707 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
709 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
711 (get_computation_aff, get_computation_cost_at): Handle double_int
712 return type of constant_multiple_of.
714 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
717 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
718 an implicit conversion.
720 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
722 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
724 2006-08-27 Roger Sayle <roger@eyesopen.com>
726 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
729 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
731 * config/i386/crtfastmath.c: Fix a comment typo.
733 2006-08-26 Roger Sayle <roger@eyesopen.com>
735 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
736 temporary visit flags on CASE_LABEL_EXPRs.
737 * c-common.c (match_case_to_enum): Add function comment. Avoid
738 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
739 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
740 CASE_HIGH_SEEN for enumerated types. If the switch expression is
741 a constant, only warn if that constant value isn't handled.
743 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
746 * input.h (restore_input_file_stack): Declare.
747 (INPUT_FILE_STACK_BITS): Define.
748 * toplev.c (fs_p, input_file_stack_history,
749 input_file_stack_restored, restore_input_file_stack): New.
750 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
751 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
752 (pop_srcloc): Don't free old state of stack.
754 2006-08-26 David Edelsohn <edelsohn@gnu.org>
757 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
758 (PowerPC Type Attributes): New.
760 2006-08-26 Bob Wilson <bob.wilson@acm.org>
762 * config/xtensa/xtensa.c (function_arg_boundary): New.
763 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
765 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
766 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
768 2006-08-26 Jakub Jelinek <jakub@redhat.com>
771 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
774 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
776 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
777 (verify_local_live_at_start): Likewise.
779 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
782 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
783 omp_add_variable): Treat sizes as variable whenever not
786 2006-08-26 Richard Guenther <rguenther@suse.de>
789 * fold-const.c (fold_binary): Fold temporary to correct
790 type before constructing new comparison.
792 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
795 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
796 variable again if DECL_SEEN_IN_BIND_EXPR_P.
798 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
801 * c-decl.c (start_function): Don't try to process prototype
802 information from old declaration that isn't a function.
804 2006-08-25 Jan Hubicka <jh@suse.cz>
807 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
809 2006-08-25 Alan Modra <amodra@bigpond.net.au>
812 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
815 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
817 PR tree-optimization/16876
818 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
819 exit if PARM doesn't match VALUE.
821 2006-08-25 Bob Wilson <bob.wilson@acm.org>
823 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
824 literal_prefix directive.
825 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
826 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
827 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
829 2006-08-25 David Edelsohn <edelsohn@gnu.org>
832 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
833 predicate to general_operand. Add 0->y and I->r alternatives.
835 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
837 * doc/tm.texi: Fix a typo.
838 * predict.c: Fix comment typos.
840 2006-08-25 Nick Clifton <nickc@redhat.com>
842 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
843 assertions of "cpu" and "machine".
845 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
848 * tree-ssa-operands.c (access_can_touch_variable): Don't say
849 the access through a base which has an alias set of 0 cannot
852 2006-08-24 Bill Wendling <wendling@apple.com>
854 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
856 2006-08-24 Jan Hubicka <jh@suse.cz>
858 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
860 2006-08-24 Jan Hubicka <jh@suse.cz>
863 * cgraph.c: Fix comments.
864 (cgraph_varpool_mark_needed_node): Mark only variables not already
866 * cgraphunit.c: Update comments; include gt-cgraphunit.h
867 (cgraph_varpool_assembled_nodes_queue): New static variable.
868 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
869 (cgraph_varpool_output_debug_info): New function.
870 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
871 * Makefile.in: Add gt-cgraphunit.h
873 2006-08-24 Jan Hubicka <jh@suse.cz>
875 * predict.c (probability_reliable_p): New predicate.
876 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
877 (predict_loops): Do not predict loop exit with less than 2%
879 * basic-block.h (edge_probability_reliable_p,
880 br_prob_note_reliable_p): Declare.
881 * ia64.h (ia64_print_operand): Do not disable on-chip branch
882 prediction when static predictor is not reliable.
883 * rs6000.c (output_cbranch): Likewise.
885 2006-08-23 Stuart Hastings <stuart@apple.com>
888 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
889 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
891 2006-08-21 Geoffrey Keating <geoffk@apple.com>
894 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
895 complex values, nor for generic vector values.
897 2006-08-22 Richard Guenther <rguenther@suse.de>
900 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
901 parameter. Convert arguments to arithmetic expression to the
903 (analyze_scalar_evolution_1): Adjust caller.
905 2006-08-22 Jan Hubicka <jh@suse.cz>
907 Patch by Paolo Bonzini
908 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
911 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
913 PR tree-optimization/28003
914 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
915 before grouping aliases.
917 2006-08-22 Roger Sayle <roger@eyesopen.com>
919 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
920 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
922 2006-08-21 Jason Merrill <jason@redhat.com>
925 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
926 wrapper. Loop to handle nested wrappers.
927 (gimplify_bind_expr): Remove temp parameter.
928 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
929 and STATEMENT_LIST on the rhs.
930 (gimplify_statement_list): Voidify the STATEMENT_LIST.
931 (gimplify_expr): Pass pre_p to gimplify_statement_list.
932 (gimplify_target_expr): Remove special BIND_EXPR handling.
934 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
936 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
939 2006-08-21 Olivier Hainque <hainque@adacore.com>
941 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
942 Arrange for the temporary captures of components overlapping the lhs
943 to happen before the lhs is possibly cleared.
945 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
947 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
948 necessary places to pass the correct "number of registers" values
951 2006-08-20 Jan Hubicka <jh@suse.cz>
953 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
954 (create_name_tags): Instead of quadratic checking use hashtable.
955 * bitmap.h: Include hashtab.h.
956 (bitmap_hash): Declare.
957 * bitmap.c (bitmap_hash): New function.
959 2006-08-20 Jan Hubicka <jh@suse.cz>
961 PR rtl-optimization/28071
962 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
964 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
965 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
966 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
967 cgraph_decide_inlining_incrementally): Update use of
968 cgraph_check_inline_limits.
969 * cgraph.c (edge_hash, edge_eq): New function.
970 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
971 cgraph_edge_remove_caller, cgraph_node_remove_callees,
972 cgraph_remove_node): Maintain call site hash.
973 * cgraph.h (struct cgraph_node): Add call_site_hash.
974 (cgraph_set_call_stmt): New function.
976 2006-08-20 Jan Hubicka <jh@suse.cz>
978 PR rtl-optimization/28071
979 * reload1.c (reg_has_output_reload): Turn into regset.
980 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
981 choose_reload_regs, emit_reload_insns): Update to new
982 reg_has_output_reload.
984 2006-08-20 Jan Hubicka <jh@suse.cz>
987 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
989 * cgraphunit.c (cgraph_analyze_function): Don't do so.
991 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
994 * tree.c (handle_dll_attribute): Return early if not a
995 var or function decl.
997 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1000 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1001 alignment of SPE vector types.
1003 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1005 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1007 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1010 * cgraph.h (struct cgraph_node): Remove externally_visible
1012 * cgraphunit.c (process_function_and_variable_attributes): Set
1013 local.externally_visible rather than externally_visible.
1016 * c-common.c (handle_externally_visible_attribute): First look
1017 at TREE_CODE and only if it is function or var decl, check for
1018 non-public objects. Don't warn for DECL_EXTERNAL.
1019 * cgraphunit.c (process_function_and_variable_attributes): Warn
1020 if externally_visible attribute is used on non-public object.
1022 2006-08-17 Jan Hubicka <jh@suse.cz>
1024 PR tree-optimization/27865
1025 * reload1.c (forget_marked_reloads): New function.
1026 (forget_old_reloads_1): When data are passed, just mark the registers
1028 (reload_as_needed): Use the new mechanizm.
1030 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1033 * reload.h (reg_equiv_alt_mem_list): New declaration.
1034 * reload1.c (reg_equiv_alt_mem_list): New definition.
1035 (reload): Initialize it and release it.
1036 (delete_output_reload): Use it.
1037 * reload.c (push_reg_equiv_alt_mem): New function.
1038 (find_reloads_toplev): Call it.
1039 (find_reloads_address, find_reloads_address_1): Likewise.
1040 (find_reloads_subreg_address): Likewise.
1042 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1044 PR rtl-optimization/28489
1045 * sched-ebb.c (begin_schedule_ready): Create basic block
1047 (advance_target_bb): Skip empty blocks.
1048 * haifa-sched.c (bb_note): Make global.
1049 * sched-int.h (bb_note): Add prototype.
1051 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1053 PR tree-optimization/27865
1054 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1056 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1057 fold_used_pointer, pointer_used_p): New functions.
1058 (analyze_scalar_evolution_1): Use fold_used_pointer.
1059 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1060 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1063 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1066 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1067 or the INTEGER_CST. Fail on a CALL_EXPR.
1068 (fold_offsetof): Pass new argument to fold_offsetof_1.
1069 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1070 operand into an INDIRECT_REF.
1071 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1073 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1075 PR gcov/profile/26570
1076 * value-prof.c (static_values): Removed.
1077 (tree_find_values_to_profile): Do not set static_values.
1078 (find_values_to_profile): Do not free static_values.
1079 * profile.c (instrument_values): Do not free the values.
1080 (branch_prob): Free the values.
1082 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1084 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1086 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1089 * c-typeck.c (build_component_ref): Combine qualifiers of
1090 structure or union and field.
1092 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1094 PR rtl-optimization/28071
1095 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1096 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1097 * tree-into-ssa.c (struct dom_dfsnum): New.
1098 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1100 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1101 compute_global_livein.
1102 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1103 in phi nodes in the correct blocks.
1105 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1107 PR tree-optimization/28364
1108 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1110 (fold_affine_expr): New function.
1111 (may_eliminate_iv): Use fold_affine_expr.
1113 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1116 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1119 2006-08-16 Mike Stump <mrs@apple.com>
1121 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1122 * doc/cppopts.texi (-MD): Likewise.
1124 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1127 * c-common.c (handle_weak_attribute): Ignore and warn if
1128 not a FUNCTION_ or VAR_DECL.
1130 2006-07-15 Mike Stump <mrs@apple.com>
1133 * c-parser.c (c_parser_typeof_specifier): Don't use
1134 c_finish_expr_stmt, open code desired semantics instead.
1136 2006-08-15 Nick Clifton <nickc@redhat.com>
1138 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1139 fragment to tmake_file only if threads are enabled.
1140 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1141 * config/i386/t-gthr-win32: New file. ... here.
1143 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1146 * c-parser.c (c_parser_compound_statement_nostart): Reset
1147 parser->error after each statement.
1149 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1152 * omp-low.c (lower_omp_parallel): Convert t to
1153 receiver_decl's type.
1154 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1155 source before comparison.
1158 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1159 to itype in assignment to oldival2.
1161 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1165 * c-typeck.c (build_compound_expr): If the second expression
1166 is an error mark, then just return an error mark instead of
1167 creating a COMPOUND_EXPR.
1169 2006-07-14 Mike Stump <mrs@apple.com>
1171 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1173 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1175 * c-decl.c, var-tracking.c: Fix comment typos.
1177 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1179 PR rtl-optimization/28634
1180 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1181 for floating-point modes unless flag_unsafe_math_optimizations.
1183 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1184 Andrew Pinski <pinskia@physics.uc.edu>
1187 * tree.c (build_array_type): Unify array types with
1188 unspecified index_type.
1189 * c-decl.c (grokdeclarator): Make sure we do not modify a
1190 unified incomplete array type.
1191 * c-typeck.c (store_init_value): Create distinct type before
1192 filling in the index type in an initializer from a compound
1195 * c-decl.c (grokdeclarator): Remove code where we copy the
1198 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1200 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1201 into account for TODO_dump_cgraph.
1202 (TODO_update_ssa_no_phi): Likewise.
1203 (TODO_update_ssa_full_phi): Likewise.
1204 (TODO_update_ssa_only_virtuals): Likewise.
1205 (TODO_remove_unused_locals): Likewise.
1206 (TODO_set_props): Likewise.
1207 (TODO_update_stmt_usage): Likewise.
1209 2006-08-13 Dirk Mueller <dmueller@suse.de>
1211 * c-common.c (strict_aliasing_warning): Fix formatting.
1213 2006-08-13 Matthias Klose <doko@debian.org>
1215 * doc/invoke.texi: Fix spelling errors.
1217 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1219 PR rtl-optimization/23454
1220 * reorg.c (relax_delay_slots): Update comment.
1222 2006-08-11 Richard Guenther <rguenther@suse.de>
1225 * simplify-rtx.c (simplify_const_relational_operation):
1226 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1229 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1231 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1232 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1234 2006-08-10 Paul Brook <paul@codesourcery.com>
1236 * final.c (final_scan_insn): Clear current_insn_predicate before
1237 outputting inline asm.
1239 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1241 PR tree-optimization/26197
1242 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1243 get_ref_base_and_extent and overlap_subvar to add only relevant
1244 subvars as may-aliases.
1245 (add_may_alias_for_new_tag): New function, factored out of
1247 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1248 with additional argument.
1249 * tree-flow.h (new_type_alias): Takes additional argument.
1251 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1253 * gcov.c (no_data_file): New flag.
1254 (read_count_file): Set it if data file not present. Assume counts
1256 (output_lines): Don't name the data file, if there wasn't one.
1258 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1260 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1261 (rs6000_generate_compare): Tweak comments.
1262 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1264 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1266 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1267 (var_debug_decl): New function.
1268 (var_reg_set): Follow debug decl link. Add location even if
1269 reg is already known to hold some other variable.
1270 (var_mem_set): Follow debug decl link.
1271 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1272 decl link. Delete other known locations of the variable part
1274 (var_reg_delete, var_mem_delete): Delete other known locations
1275 of the variable part if requested.
1276 (same_variable_part_p): New function.
1277 (add_stores): Select MO_COPY when appropriate.
1278 (vt_initialize): Handle it.
1279 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1280 known locations for MO_SET and MO_CLOBBER.
1281 (find_variable_location_part): New function.
1282 (set_variable_part, delete_variable_part): Use it.
1283 (clobber_variable_part): New function.
1284 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1287 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1289 PR tree-optimization/26969
1290 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1291 with an empty list of PHIs.
1293 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1297 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1300 2006-08-06 Andreas Schwab <schwab@suse.de>
1302 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1303 string. Whitespace and comment fixup.
1305 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1308 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1312 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1315 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1317 2006-08-04 Jan Hubicka <jh@suse.cz>
1321 * reload.c (push_reload): Patch out the mismatching instruction;
1323 (find_reload): Bail out if the instruction was patched out.
1325 2006-08-04 Jan Hubicka <jh@suse.cz>
1327 PR tree-optimization/24888
1328 * tree-inline.c (expand_call_inline): Do not re-record variables.
1329 (declare_inline_vars): Add variable to unexpanded_var_list.
1331 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1332 Roger Sayle <roger@eyesopen.com>
1334 PR rtl-optimization/26244
1335 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1336 inner_const are negative or greater than or equal to the bitsize of
1337 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1338 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1339 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1340 CONST0_RTX (mode) when the new shift count is greater than or equal to
1341 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1344 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1346 * tree-cfg.c: Fix a comment typo.
1348 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1351 * varasm.c (output_constant): Give the front end another chance to
1352 expand constants, after stripping NOPs.
1354 2006-08-03 Jan Hubicka <jh@suse.cz>
1356 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1359 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1361 PR tree-optimization/27770
1362 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1363 declaration removed (moved to tree-flow.h).
1364 (vect_can_force_dr_alignment_p): Likewise.
1365 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1366 (moved from tree-vectorizer.h).
1367 (vect_can_force_dr_alignment_p): Likewise.
1368 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1369 from outside the vectorizer - in particular from cgraph stage.
1370 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1371 the alignment of global arrays when -fsection-anchors is enabled.
1372 * cgraphunit.c (cgraph_increase_alignment): New function.
1373 (cgraph_optimize): Call cgraph_increase_alignment.
1375 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1378 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1379 not reload a SPE symbol_ref into a lo_sum address.
1381 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1384 * dwarf2out.c (prune_unused_types_prune): Move call to
1385 prune_unused_types_update_strings to cover the parent DIE also.
1387 2006-08-02 Jan Hubicka <jh@suse.cz>
1389 PR gcov/profile/28480
1390 * tree-cfg.c (change_bb_for_stmt): New function.
1391 (tree_merge_blocks, tree_split_blocks): Use it.
1393 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1399 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1400 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1401 (cgraph_optimize): Likewise.
1403 2006-08-01 Stuart Hastings <stuart@apple.com>
1405 * rtl.h (UINTVAL) New.
1406 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1407 * testsuite/gcc.dg/20060801-1.c: New.
1409 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1412 * c-typeck.c (build_external_type): Mark used enum types.
1413 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1415 (gen_subprogram_die): Whitespace fix.
1417 2006-08-01 Jan Hubicka <jh@suse.cz>
1419 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1420 bitmap when not needed.
1421 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1424 2006-08-01 Dirk Mueller <dmueller@suse.de>
1426 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1428 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1430 * Makefile.in: Revert part of previous patch:
1431 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1434 2006-07-30 Eric Christopher <echristo@apple.com>
1437 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1438 (PowerPC Variable Attributes): New section.
1440 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1442 PR target/28126 (partial fix)
1443 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1445 2006-07-28 Jan Hubicka <jh@suse.cz>
1447 PR rtl-optimization/28071
1448 * cfgrtl.c (rtl_delete_block): Free regsets.
1449 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1451 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1453 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1454 and variables used in dependencies.
1456 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1458 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1459 %fs for -mcmodel=kernel.
1460 (stack_tls_protect_test_di): Likewise.
1462 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1464 * Makefile.in: Use mkinstalldirs.
1466 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1469 * opts-common.c (prune_options): Skip joined switches.
1471 2006-07-27 Jan Hubicka <jh@suse.cz>
1473 PR rtl-optimization/28071
1474 * cselib.c (cselib_process_insn): Don't remove useless values too
1475 often for very large hashtables.
1477 2006-07-27 Jan Hubicka <jh@suse.cz>
1479 PR rtl-optimization/28071
1480 * global.c (greg_obstack): New obstack.
1481 (allocate_bb_info): Use it.
1482 (free_bb_info): Likewise.
1483 (modify_reg_pav): Likewise.
1485 2006-07-27 Roger Sayle <roger@eyesopen.com>
1487 * builtins.c (fold_fixed_mathfn): When long and long long are the
1488 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1489 functions to their lceil*, lfloor*, lround* and lrint* forms.
1491 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1494 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1496 (rev_branch_insn): Likewise.
1498 2006-07-27 Jan Hubicka <jh@suse.cz>
1500 PR rtl-optimization/28071
1501 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1502 (reg_set_in_bb, max_reg_computed): New static variables.
1503 (regmove_optimize): Free the new array.
1504 (fixup_match_1): Update call of reg_is_remote_constant_p.
1506 2006-07-26 Jan Hubicka <jh@suse.cz>
1508 PR tree-optimization/27882
1509 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1511 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1513 (cgraph_analyze_compilation_unit): Likewise.
1514 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1515 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1516 (cgraph_early_inlinine): Make order garbage collected.
1517 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1519 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1521 * dbxout.c (output_types_sort): Add a comment.
1522 (output_used_types): Free the VEC.
1524 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1526 * function.c (reorder_fix_fragments): Delete.
1527 (reorder_blocks): Don't call it.
1528 (reorder_blocks_1): Put all subblocks under the origin block.
1530 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1532 PR rtl-optimization/27907
1533 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1536 2006-07-25 Roger Sayle <roger@eyesopen.com>
1539 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1540 bar(x) check that bar's result type can represent all the values of T.
1542 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1544 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1546 2006-07-25 Nick Clifton <nickc@redhat.com>
1548 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1549 size_lookup[] array.
1550 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1551 (ggc_pch_count_object): Likewise.
1552 (ggc_pch_alloc_object): Likewise.
1553 (ggc_pch_write_object): Likewise.
1554 (init_ggc): Do not attempt to initialize entries in the
1555 size_lookup[] array for objects whose size is greater than than
1556 the length of the array.
1558 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1560 * dbxout.c (output_used_types_helper): Push queued types
1562 (output_types_sort): New.
1563 (output_used_types): Collect used types on a VEC and sort them
1566 2006-07-24 Richard Guenther <rguenther@suse.de>
1569 * cgraph.c (cgraph_remove_node): Do not check if dumps
1571 * cgraphunit.c (cgraph_optimize): Likewise.
1573 2006-07-24 Jan Hubicka <jh@suse.cz>
1575 PR rtl-optimization/28071
1576 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1577 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1578 splitting before first stmt.
1580 2006-07-24 Jan Hubicka <jh@suse.cz>
1582 PR rtl-optimization/28071
1583 * ipa-inline.c (update_caller_keys): Remove edges that
1584 are no longer inline candidates.
1586 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1589 * dbxout.c (output_used_types_helper, output_used_types): New.
1590 (dbxout_symbol): Call output_used_types.
1592 2006-07-23 Jan Hubicka <jh@suse.cz>
1596 * cgraph.c (cgraph_varpool_nodes): Export.
1597 (decide_is_variable_needed): Ignored "used" attribute in
1598 unit-at-a-time mode.
1599 * cgraph.h (cgraph_varpool_nodes): Declare.
1600 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1601 unit-at-a-time mode.
1603 2006-07-23 Roger Sayle <roger@eyesopen.com>
1606 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1607 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1608 the __gthrw form of thr_keycreate.
1609 (__gthread_key_delete): Silence the unused argument warning.
1611 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1614 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1615 Cache the last found '\0' marker to avoid quadratic behavior.
1617 2006-07-23 Jan Hubicka <jh@suse.cz>
1619 * i386.md (subsi_3_zext): Fix output template.
1621 2006-07-21 Mike Stump <mrs@apple.com>
1623 * doc/invoke.texi (C++ Dialect Options): Note that
1624 -fvisibility-inlines-hidden doesn't affect explicitly
1625 instantiationed inline methods.
1627 2006-07-20 Roger Sayle <roger@eyesopen.com>
1629 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1630 if the target assembler is GNU binutils' gas.
1631 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1632 whether to pass GNU gas or native as command line options.
1634 2006-07-20 Jason Merrill <jason@redhat.com>
1636 * tree.c (remove_attribute): New fn.
1637 * tree.h: Declare it.
1639 2006-07-20 Paul Brook <paul@codesourcery.com>
1642 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1643 they are invalidated by this instruction.
1645 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1648 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1650 2006-07-20 Eric Christopher <echristo@apple.com>
1653 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1655 2006-07-19 Eric Christopher <echristo@apple.com>
1657 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1658 Rewrite dependencies for libgcc_s.1.dylib.
1660 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1662 * except.c (duplicate_eh_regions_1): Clear next_peer.
1664 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1666 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1667 -mlongcall does not guarantee all calls will be long.
1668 * doc/extend.texi (long_call/short_call): Document that longcall
1669 does not guarantee a long call will be used.
1670 (longcall/shortcall): Likewise.
1672 2006-07-18 Roger Sayle <roger@eyesopen.com>
1675 * expmed.c (expand_shift): Additionally check that the shift_cost
1676 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1677 before implementing a LSHIFT_EXPR as a sequence of additions.
1678 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1679 middle-end that DImode shifts need to be synthesized by expand.
1681 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1684 * tree-ssa-operands.c (access_can_touch_variable): Update
1686 Return true if ALIAS is .GLOBAL_VAR.
1688 2006-07-18 David Daney <ddaney@avtrex.com>
1690 * gcc.c (display_help): Fix typo in help text.
1692 2006-07-18 Olivier Hainque <hainque@adacore.com>
1694 * tree.h (categorize_ctor_elements): Adjust prototype and add
1695 descriptive comment, both in accordance with the interface change
1697 * varasm.c (constructor_static_from_elts_p): New function.
1698 Whether a constructor node is a valid static constant initializer
1699 if all its elements are.
1700 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1701 * output.h: Declare it.
1702 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1703 is a valid constant initializer instead of computing the number of
1704 non-constant elements. Use constructor_static_from_elts_p for this
1705 purpose. Replace the head comment with an indication that this is a
1706 helper for categorize_ctor_elements.
1707 (categorize_ctor_elements): Same interface change as for the _1
1708 helper. Former head comment from this helper moved here, adjusted to
1709 account for the interface changes.
1710 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1711 (all_zeros_p): Likewise.
1712 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1713 static versions of the constructor from the categorize_ctor_elements
1714 return value instead of the formerly computed number of non-constant
1717 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1719 * configure: Regenerate.
1720 * Makefile.in (build_libsubdir): New configure substitution
1721 (build_libobjdir): New variable.
1722 (BUILD_LIBIBERTY): Use it.
1724 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1727 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1729 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1732 * c-common.c (handle_weakref_attribute): Ignore attribute in
1733 the same conditions the alias attribute is ignored.
1735 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1737 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1738 (dbxout_begin_prologue): Increment scope_labelno.
1740 2006-07-17 Richard Henderson <rth@redhat.com>
1743 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1746 2006-07-17 Roger Sayle <roger@eyesopen.com>
1747 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1749 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1750 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1751 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1752 functions such as sbrk, write, etc.. Add function prototypes.
1753 Convert function declarations from K&R to ISO C. Cast pointers
1754 to "long" and "unsigned long" instead of "int" and "unsigned int".
1755 Convert tokens following #endif into comments.
1757 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1759 * invoke.texi: Remove mention of f77; Reformat table for
1760 inline parameter options correctly; mention that -malign-double
1761 is default on x86-64 targets.
1763 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1765 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1766 (convert_affine_scev, chrec_convert_aggressive): Use
1767 avoid_arithmetics_in_type_p. Do not check for the subtypes
1770 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1773 * optabs.c (expand_doubleword_shift): Wrap the call to
1774 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1776 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1779 * optabs.c (expand_binop): Pass next_methods rather than methods
1780 to expand_doubleword_shift.
1782 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1785 * tree.h (dump_addr): Declare.
1786 * print-tree.c (dump_addr): New function.
1787 (print_node_brief, print_node): Use it.
1788 * print-rtl.c (print_rtx): Likewise.
1789 * common.opt (-fdump-noaddr): New option.
1790 * doc/invoke.texi (-fdump-noaddr): Document.
1791 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1792 (ve_info_hash): Likewise.
1794 2006-07-13 Andrew Haley <aph@redhat.com>
1796 PR tree-optimization/19505
1797 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1798 edge leaving this block, make sure that the destination of this
1799 block has only one predecessor.
1801 2006-07-17 Richard Guenther <rguenther@suse.de>
1803 PR tree-optimization/28238
1804 * tree-inline.c (copy_bb): Check if we produced valid
1805 gimple copying and substituting a stmt. If not, gimplify
1808 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1810 * optabs.c (maybe_encapsulate_block): New function extracted from...
1811 (emit_libcall_block): ...here. Invoke it on the block of insns to
1812 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1813 (emit_no_conflict_block): Likewise.
1815 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1817 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1819 2006-07-15 Roger Sayle <roger@eyesopen.com>
1821 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1822 a new NOP_EXPR case of the switch statement.
1824 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1827 * stor-layout.c (place_field): Take the bit field with
1828 an excessive size into account in the ms-bitfiled case.
1831 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1832 the previous bit field.
1834 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1837 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1839 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1841 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1842 signal frames correctly even when the signal was installed with
1845 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1847 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1848 (dbxout_function_end): Use local label LFBB. Remove hook
1850 (dbxout_source_line): Use local label LFBB.
1851 (dbxout_block): Likewise.
1852 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1853 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1854 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1855 and DBX_OUTPUT_NFUN.
1857 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1859 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1861 2006-07-13 Jan Hubicka <jh@suse.cz>
1863 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1865 * output.h (align_variable): Declare.
1866 * varasm.c (align_variable): Export.
1867 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1868 when basic block changed.
1870 2006-07-13 Nick Clifton <nickc@redhat.com>
1872 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1873 walking the LOG_LINKS chain.
1875 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1877 * doc/invoke.texi (C++ Dialect Options): Explain difference
1878 between -fvisibility-inlines-hidden and setting hidden
1879 visibility explicitly.
1881 2006-07-12 Eric Christopher <echristo@apple.com>
1883 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1884 (stmp-lipo): Depend on libgcc.a.
1886 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1888 * tree.c: Fix a comment typo.
1890 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1892 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1894 (umulhisi3_r): Likewise.
1896 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1899 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1900 x < 19, vs wchar_t support.
1902 2006-07-12 Nick Clifton <nickc@redhat.com>
1904 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1905 instead of -isa=sh4.
1907 2006-07-12 Mike Stump <mrs@apple.com>
1909 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1911 2006-07-10 Eric Christopher <echristo@apple.com>
1913 * config/t-slibgcc-darwin: Rewrite.
1915 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1918 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1921 2006-07-08 Matthias Klose <doko@debian.org>
1923 * doc/sourcebuild.texi: Fix typo.
1925 2006-07-07 Mike Stump <mrs@apple.com>
1927 * toplev.c (process_options): Don't give -ffunction-sections may
1928 affect debugging warning for Mach-O.
1930 2006-07-07 James E Wilson <wilson@specifix.com>
1932 * config/mips/mips.md (cpu): Add sb1a.
1933 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1934 addition to sb1. Adjust comments to clarify SB-1A differences from
1936 (ir_sb1a_load): New. Modify bypasses to use it.
1937 (ir_sb1a_simple_alu): Likewise.
1938 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1939 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1940 (mips_issue_rate): Add PROCESSOR_SB1A.
1941 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1942 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1943 (TARGET_SB1): Add PROCESSOR_SB1A check.
1944 (TUNE_SB1): Likewise.
1946 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1947 * config/mips/mips.c (mips_store_data_bypass_p): New.
1948 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1949 store_data_bypass_p.
1951 2006-07-08 Paul Brook <paul@codesourcery.com>
1954 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1956 2006-07-07 Richard Guenther <rguenther@suse.de>
1959 * tree.h (build_one_cst): Declare.
1960 * tree.c (build_one_cst): New function.
1961 * tree-ssa-math-opts.c (get_constant_one): Remove.
1962 (insert_reciprocals): Use build_one_cst.
1963 * fold-const.c (fold_plusminus_mult): Likewise.
1965 2006-07-07 Roger Sayle <roger@eyesopen.com>
1967 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1968 * cfgloopanal.c (dump_graph): Likewise.
1969 * dojump.c (discard_pending_stack_adjust): Likewise.
1970 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1972 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1973 * function.c (finalize_block_changes): Likewise.
1974 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1975 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1976 * rtl.c (dump_rtx_statistics): Likewise.
1977 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1979 * varray.c (dump_varray_statistics): Likewise.
1980 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1981 decode_decimal64, encode_decimal128, decode_decimal128,
1982 decimal_real_to_decimal): Likewise.
1984 2006-07-07 Richard Guenther <rguenther@suse.de>
1986 PR tree-optimization/28187
1987 * tree-vrp.c (vrp_operand_equal_p): New function.
1988 (vrp_bitmap_equal_p): Likewise.
1989 (update_value_range): Use them to compare old and new
1992 2006-07-06 Roger Sayle <roger@eyesopen.com>
1994 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1995 a default case to switch statement to silence compiler warnings.
1997 2006-07-06 Roger Sayle <roger@eyesopen.com>
2000 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2001 the configured assembler supports the x87's ffreep mnemonic.
2002 * configure: Regenerate.
2003 * config.in: Regenerate.
2005 * config/i386/i386.c (output_387_ffreep): New function.
2006 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2007 (output_387_reg_move): Likewise.
2009 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2011 Port to hosts whose 'sort' and 'tail' implementations
2012 treat operands with leading '+' as file names, as POSIX
2013 has required since 2001. However, make sure the code still
2014 works on pre-POSIX hosts.
2015 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2016 which says you should use "tail -c +N" rather than "tail +Nc".
2017 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2019 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2021 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2024 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2027 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2028 PRE_{INC,DEC} of TFmode.
2030 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2031 Alan Modra <amodra@bigpond.net.au>
2034 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2037 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2040 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2041 Remove duplicate gtu.
2043 2006-07-05 Jason Merrill <jason@redhat.com>
2047 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2048 * c-common.c (handle_packed_attribute): So don't copy it here.
2049 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2051 2006-07-05 Mike Stump <mrs@apple.com>
2053 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2055 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2058 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2060 2006-07-05 Richard Guenther <rguenther@suse.de>
2063 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2064 TARGET_SSE2 targets if using SSE math.
2065 (*absdf2_1): Likewise.
2067 2006-07-05 Richard Guenther <rguenther@suse.de>
2069 PR tree-optimization/28162
2070 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2071 make sure to convert the operands to the correct type.
2073 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2075 PR tree-optimization/28218
2077 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2078 to calculate and free the dominator information.
2080 2006-07-04 Peter O'Gorman <peter@pogma.com>
2082 * mklibgcc.in: chmod 644 before ranlib during install.
2084 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2085 J"orn Rennecke <joern.rennecke@st.com>
2087 * configure.ac (.eh_frame data check): Use diff -b.
2089 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2092 * Makefile.in (BUILD_RTL): Add build/vec.o.
2093 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2094 (build/genextract): Delete.
2095 (build/genautomata): Likewise.
2097 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2100 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2101 128-bit IBM long doubles for ABI_V4.
2103 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2105 * tree.c (range_in_array_bounds_p): New predicate.
2106 * tree.h (range_in_array_bounds_p): Declare it.
2107 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2108 return a less conservative answer.
2109 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2110 and flag 'is_group'.
2111 (IS_ELEMENT_FOR_GROUP): New macro.
2112 (FOR_EACH_ACTUAL_CHILD): Likewise.
2113 (next_child_for_group): New helper function.
2114 (can_completely_scalarize_p): Take into account groups.
2115 (sra_hash_tree): Handle RANGE_EXPR.
2116 (sra_elt_eq): Likewise.
2117 (lookup_element): Be prepared for handling groups.
2118 (is_valid_const_index): Delete.
2119 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2120 instead of is_valid_const_index.
2121 <ARRAY_RANGE_REF>: New case.
2122 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2123 is_valid_const_index.
2124 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2125 (scan_dump): Dump info for groups too.
2126 (decide_instantiation_1): Likewise.
2127 (decide_block_copy): Assert that the element is not a group.
2128 Propagate decision to groups.
2129 (generate_one_element_ref): Handle RANGE_EXPR.
2130 (mark_no_warning): Iterate over actual childs.
2131 (generate_copy_inout): Likewise.
2132 (generate_element_copy): Likewise.
2133 (generate_element_zero): Likewise.
2134 (generate_element_init_1): Likewise.
2135 (dump_sra_elt_name): Handle RANGE_EXPR.
2137 2006-07-03 Roger Sayle <roger@eyesopen.com>
2139 PR tree-optimization/26251
2140 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2141 (thread_block): When optimizing for size refuse to thread jumps
2142 that would require duplication of blocks other than redirection
2145 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2147 * configure.ac: Fix thinko in previous check-in.
2148 * configure: Regenerate.
2150 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2153 * configure.ac (for lang...): Simplify nesting of conditionals.
2154 Test subdir_requires for non-enabled languages. Move processing
2155 of lang_opt_files and lang_tree_fiels below that test.
2156 * configure: Regenerate.
2157 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2159 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2161 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2163 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2165 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2168 2006-06-29 Jason Merrill <jason@redhat.com>
2175 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2176 * c-common.c (c_determine_visibility): Handle it here.
2177 * c-decl.c (finish_decl): Call c_determine_visibility for
2179 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2181 * varasm.c (default_assemble_visibility): Likewise.
2182 * c-common.c (handle_visibility_attribute): Complain about trying
2183 to give visibility to an already defined class, or trying to change
2184 declared visibility. Always attach the attribute.
2189 * attribs.c (decl_attributes): Ignore type-in-place attributes
2190 once the type has been defined.
2192 2006-06-29 Roger Sayle <roger@eyesopen.com>
2195 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2196 to indicate the cpplib has issued an error message for us.
2198 2006-06-29 Asher Langton <langton2@llnl.gov>
2201 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2202 insert a label at the end of an function under Mach-O.
2204 2006-06-29 Eric Christopher <echristo@apple.com>
2205 Evan Cheng <evan.cheng@apple.com>
2207 * predicates.md (vector_all_ones_operand): New.
2208 (nonimmediate_or_sse_const_operand): Ditto.
2209 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2210 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2211 (standard_sse_mode_p): Ditto.
2212 (standard_sse_constant_p): Add case for -1 vector.
2213 (ix86_expand_vector_move): Try to use.
2214 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2215 Call standard_sse_constant_opcode.
2216 (*movv4sf_internal): Ditto.
2217 (*movv2df_internal): Ditto.
2219 2006-06-29 Roger Sayle <roger@eyesopen.com>
2221 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2222 of XEXP to extract the operands of a MATCH_CODE rtx.
2224 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2226 * tree.c (tree_size): Do not waste tail padding in
2227 struct tree_string and make the size be the same as
2228 build_string will generate.
2230 2006-06-28 Jason Merrill <jason@redhat.com>
2233 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2234 may_aliases already in the tag's annotations to the bitmap.
2236 2006-06-28 Roger Sayle <roger@eyesopen.com>
2238 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2240 2006-06-28 Roger Sayle <roger@eyesopen.com>
2242 * genpreds.c (generate_switch_p): New function.
2243 (add_mode_tests): Push the new mode test down inside an AND expr
2244 if this allows the switch-suitable MATCH_CODE to be near the root.
2245 (write_match_code_switch): New function to write a MATCH_CODE as
2247 (write_predicate_stmts): New function to write a predicate RTX
2248 expression as a sequence of statements.
2249 (write_one_predicate_function): Use write_predicate_stmts.
2250 (write_tm_constrs_h): Likewise.
2252 2006-06-26 Fred Fish <fnf@specifix.com>
2254 * config/mips/t-sb1: New file.
2255 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2258 2006-06-26 DJ Delorie <dj@redhat.com>
2260 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2262 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2263 Jayant Sonar <jayants@kpitcummins.com>
2264 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2266 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2267 (subsi3, subsi3_1, subsi3_2): New.
2268 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2269 * config/m32c/mov.md (SI mov peephole): New.
2270 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2271 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2273 2006-06-26 Olivier Hainque <hainque@adacore.com>
2275 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2276 a CALL_EXPR target function declaration.
2278 2006-06-26 Richard Guenther <rguenther@suse.de>
2280 * tree.c (build_string): Do not waste tail padding in
2283 2006-06-26 Richard Guenther <rguenther@suse.de>
2285 * ggc-page.c (init_ggc): Add missing element to size_lookup
2289 2006-06-23 Richard Guenther <rguenther@suse.de>
2291 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2292 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2293 alignment requests instead. Add verification code.
2294 Add struct tree_function_decl and struct tree_binfo size to
2295 extra_order_size_table. Add missing element to size_lookup
2298 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2301 * fold-const.c (const_binop): Be prepared for self returning zero.
2302 Simplify code handling complex values.
2304 2006-06-24 Olivier Hainque <hainque@adacore.com>
2306 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2307 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2310 2006-06-24 Olivier Hainque <hainque@adacore.com>
2312 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2313 ARRAY_REF, so have the callback called for the low bound expression.
2315 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2317 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2318 * c-typeck.c (c_common_type): Disallow operations on decimal float
2319 types and other float types.
2320 * convert.c (convert_to_real): Don't ignore conversions involving
2321 decimal float types.
2323 2006-06-23 Olivier Hainque <hainque@adacore.com>
2325 * tree.c (max_int_size_in_bytes): New function, inspired from
2326 code in function.c:assign_temp.
2327 * tree.h (max_int_size_in_bytes): Declare.
2328 * function.c (assign_temp): Use it.
2329 * gimplify.c (create_tmp_var): Relax the assertions on the type
2330 properties, not mandating constant size any more.
2331 (force_constant_size): New static function.
2332 (gimple_add_tmp_var): Use it, forcing variable size to a
2333 constant upper bound if it is not constant on entry.
2335 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2338 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2339 for initialization and setting of one_only flag to ...
2340 (i386_pe_encode_section_info): ...here.
2341 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2342 Recheck that the symbol has not been defined.
2344 2006-06-23 Richard Guenther <rguenther@suse.de>
2346 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2347 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2348 alignment requests instead. Add verification code.
2349 Add struct tree_function_decl and struct tree_binfo size to
2350 extra_order_size_table. Add missing element to size_lookup
2353 2006-06-22 Roger Sayle <roger@eyesopen.com>
2354 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2357 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2358 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2360 2006-06-23 Ben Elliston <bje@au.ibm.com>
2362 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2363 negate dn -- manipulate it directly.
2365 2006-06-22 Roger Sayle <roger@eyesopen.com>
2366 Steven Bosscher <stevenb.gcc@gmail.com>
2369 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2370 generated by gen_move_insn to add REG_LABEL notes if necessary.
2372 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2374 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2375 (leaf_entry): Remove use of MIN_ESA.
2377 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2379 PR rtl-optimization/28121
2380 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2383 2006-06-21 DJ Delorie <dj@redhat.com>
2385 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2387 (mulhisi3_r): Likewise.
2389 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2392 * coverage.c (coverage_counter_alloc): Leave the index type
2394 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2397 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2399 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2400 section from the "Options for Code Generation Conventions".
2402 2006-06-21 Richard Henderson <rth@redhat.com>
2406 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2408 (global_symbolic_operand): Allow weak symbols, even if local_p.
2410 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2412 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2413 (find_interesting_uses_address): Punt if above function returns true.
2415 2006-06-21 Richard Guenther <rguenther@suse.de>
2417 * configure: Regenerated.
2419 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2421 * config/mips/mips.c (function_arg): Where one part of a
2422 complex argument is in registers and the other part in the stack,
2423 return a REG not a PARALLEL.
2425 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2427 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2428 when cross-compiling. Do not substitute libstdcxx_incdir.
2429 * configure: Regenerated.
2431 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2433 * varasm.c (mergeable_string_section): Check for embedded NULs and
2434 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2435 rather than TREE_STRING_LENGTH bytes.
2437 2006-06-21 Richard Guenther <rguenther@suse.de>
2439 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2440 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2443 2006-06-21 Richrad Guenther <rguenther@suse.de>
2445 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2446 Limit iteration over the dominators.
2448 2006-06-20 Roger Sayle <roger@eyesopen.com>
2450 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2451 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2453 2006-06-20 Richard Guenther <rguenther@suse.de>
2454 Michael Matz <matz@suse.de>
2456 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2458 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2459 * et-forest.h (et_free_pools): Prototype new function.
2460 * et-forest.c (et_free_tree_force): Free parent occurrence.
2461 (et_free_pools): New function.
2462 * dominance.c (free_dominance_info): Free et-forest alloc
2465 2006-06-20 Roger Sayle <roger@eyesopen.com>
2467 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2468 integer modes, attempt to directly construct an integer constant.
2470 * fold-const.c (native_encode_vector): Determine the size of each
2471 element from the vector type instead of the first vector element.
2473 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2474 if all of its elements/components are constant.
2475 (build_constructor_from_list): Likewise.
2477 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2479 PR tree-optimization/27331
2480 * tree-data-ref.c (free_data_ref): New function.
2481 (create_data_ref): Fail if the data reference has unknown access
2483 (free_data_refs): Use free_data_ref.
2485 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2488 * tree-inline.c (setup_one_parameter): Strip useless
2489 type conversion before adding it to the IR.
2490 (declare_return_variable): Likewise.
2492 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2495 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2497 2006-06-19 Mike Stump <mrs@apple.com>
2499 * tree.c (variably_modified_type_p): VM arguments don't make the
2502 2006-06-19 Richard Guenther <rguenther@suse.de>
2504 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2505 type conversions after folding.
2507 2006-06-19 Richard Guenther <rguenther@suse.de>
2509 * ggc-page.c (extra_order_size_tab): Add entries with
2510 size of struct function and basic_block.
2511 (size_lookup): Extend to cover sizes up to 511.
2512 (ggc_alloc_stat): Adjust user.
2513 (ggc_pch_count_object): Likewise.
2514 (ggc_pch_alloc_object): Likewise.
2515 (ggc_pch_write_object): Likewise.
2517 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2519 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2520 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2523 2006-06-19 Denis Chertykov <denisc@overta.ru>
2525 * config/avr/libgcc.S : Correct my wrong previous commit.
2527 2006-06-19 Roger Sayle <roger@eyesopen.com>
2530 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2531 have stripped a SUBREG from the shift count, so we may need to
2532 convert_to_mode back to the type's mode before calling make_tree.
2533 Use new_amount instead of amount to avoid expanding a tree twice.
2535 2006-06-19 Richard Guenther <rguenther@suse.de>
2538 * fold-const.c (operand_equal_p): Check if the argument types
2539 have the same precision before stripping NOPs.
2541 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2543 Fix PR tree-optimization/27341
2544 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2546 * tree-complex.c (pass_lower_complex): Update SMT usage.
2548 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2550 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2551 Add a new alternative to the constraint strings. Add move of
2552 operand 1 to 3 to the splitter definition.
2553 ("doloop_si_long"): Second contraint alternative removed.
2555 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2557 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2558 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2560 (AVR_HAVE_MOVW) Define.
2561 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2562 (ASM_SPEC): Add avr25.
2563 (LINK_SPEC): Add avr25.
2564 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2565 (base_arch_s): Add new member 'have_movw_lpmx'.
2566 (avr_arch_types): Init 'have_movw_lpmx'.
2567 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2568 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2569 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2570 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2571 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2573 (avr_file_start): Do not output '.arh' derective.
2574 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2575 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2576 * config/avr/avr.md (mcu_enhanced): Delete.
2577 (mcu_have_movw): Define.
2578 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2579 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2580 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2581 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2582 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2583 attiny861 and at86rf401 devices.
2585 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2587 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2590 2006-06-17 Karl Berry <karl@gnu.org>
2592 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2593 doc/gccint.texi, doc/install.texi (@dircategory): Use
2594 "Software development" instead of "Programming", following
2595 the Free Software Directory.
2597 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2599 * config/i386/i386.c (legitimate_tls_address)
2600 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2601 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2602 (*tls_dynamic_gnu2_combine_64): Likewise.
2604 2006-06-16 Richard Guenther <rguenther@suse.de>
2607 * fold-const.c (negate_expr_p): Do not introduce undefined
2608 overflow in negating INTEGER_CSTs.
2609 (fold_negate_expr): Rename from negate_expr. Revert last
2610 change for folding BIT_NOT_EXPR. Change semantics to
2611 return NULL_TREE for non-simplified negations. Do not
2612 strip type conversions and unify type handling.
2613 (negate_expr): New function, wrap around fold_negate_expr
2614 but ensure building a tree always. Strip type conversions
2615 here, fold to result type.
2616 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2618 2006-06-16 Roger Sayle <roger@eyesopen.com>
2621 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2622 that (would) return their results in stack registers.
2624 2006-06-16 Michael Matz <matz@suse.de>
2625 Richard Guenther <rguenther@suse.de>
2627 * fold-const.c (fold_truthop): Only return new tree node if
2628 we canonicalized something.
2630 2006-06-16 Richard Guenther <rguenther@suse.de>
2632 * function.h (enum function_frequency): Move declaration
2633 out of struct function.
2634 (struct function): Move bool fields and the enum to the bitfield
2635 section. Reorder elements to avoid padding. Remove unused
2636 fields left over from the RTL inliner removal.
2637 * function.c (free_after_compilation): Do not zero removed fields.
2638 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2639 (ipa-type-escape.o): Likewise.
2641 2006-06-16 Richard Guenther <rguenther@suse.de>
2643 * cgraph.h (struct cgraph_local_info): Turn bool elements
2645 (struct cgraph_node): Likewise.
2646 (struct cgraph_varpool_node): Likewise.
2648 2006-06-15 Richard Guenther <rguenther@suse.de>
2650 * fold-const.c (fold_truth_not_expr): Rename from
2651 invert_truthvalue. Give it fold_* semantics to avoid
2653 (invert_truthvalue): New function. Wrapper around
2654 fold_truth_not_expr.
2655 (optimize_minmax_comparison): Avoid creating garbage.
2656 (fold_unary): Use fold_truth_not_expr for folding
2658 (fold_ternary): Replace uses of invert_truthvalue with
2659 fold_truth_not_expr where applicable.
2660 * tree.h (fold_truth_not_expr): Prototype.
2662 2006-06-16 Richard Guenther <rguenther@suse.de>
2664 PR tree-optimization/27781
2665 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2666 * ipa-pure-const.c (target.h): Include.
2667 (analyze_function): Do not analyze functions that do not
2670 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2673 * tree-dfa.c (referenced_vars_dup_list): Remove.
2674 (find_referenced_vars): Remove assert.
2675 (referenced_var_check_and_insert): Replace dup list with assert.
2676 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2677 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2679 2006-06-15 Richard Guenther <rguenther@suse.de>
2681 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2682 extra unused identifiers if not dumping.
2683 (create_variable_info_for): Likewise.
2685 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2687 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2688 (derive_constant_upper_bound): Derive more precise upper bound in
2689 common cases. Return type changed to double_int.
2690 (record_estimate): Reflect the changed return type of
2691 derive_constant_upper_bound.
2692 * double-int.c (double_int_zext, double_int_sext): Fix.
2694 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2696 * configure.ac (CFLAGS): Get them from the toplevel or from the
2697 configure invocation.
2698 * configure: Regenerate.
2699 * Makefile.in (CFLAGS): Substitute value provided by configure.
2701 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2704 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2705 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2706 rather than calling add_stmt on it.
2707 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2709 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2712 * reload1.c (reload): Remove registers returned by update_eliminables
2713 from used_spill_regs.
2715 2006-06-13 DJ Delorie <dj@redhat.com>
2717 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2719 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2721 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2722 html__strip_dir, html__mkdir_p. Enhance install-html target.
2723 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2724 * configure: Regenerate.
2726 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2728 * fold-const.c (fold_cond_expr_with_comparison): Check for
2729 Objective-C++ as language in deciding COND_EXPR transformation.
2731 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2734 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2735 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2736 * config/sh/lib1funcs.h (SL, SL1): Define.
2737 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2738 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2739 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2740 (OBJS_Os_4_200): New variable.
2741 ($(T)libgcc-Os-4-200.a): Use it.
2742 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2743 when dividing 1 and/or by 0.
2745 2006-06-13 Roger Sayle <roger@eyesopen.com>
2747 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2748 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2749 * configure: Regenerate.
2751 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2753 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2754 for real instruction.
2756 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2759 * haifa-sched.c (check_cfg): Handle special case.
2761 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2764 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2765 Add debug_info parameter. Chain the vars to the BLOCK instead
2766 of the BIND_EXPR if debug info are requested for them.
2767 (pop_gimplify_context): Adjust for above change.
2768 (gimple_add_tmp_var): Likewise.
2769 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2771 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2772 (convert_local_reference): Likewise.
2773 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2774 (finalize_nesting_tree_1): Request that debug info be emitted
2775 for debug_var_chain.
2777 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2779 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2780 for PR target/27863.
2782 2006-06-13 Richard Guenther <rguenther@suse.de>
2785 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2787 2006-06-13 Richard Guenther <rguenther@suse.de>
2789 PR tree-optimization/27830
2790 * tree-inline.c (copy_body_r): For copying the operand
2791 of an ADDR_EXPR make sure to fold &* afterwards.
2793 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2795 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2796 lvalues in the fb_none case with side-effects.
2798 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2800 * tree-flow.h: Remove the prototype for
2801 compute_phi_arg_on_exit.
2802 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2803 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2806 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2808 * builtins.c (expand_builtin_return_addr): Only use
2809 frame_pointer_rtx when count == 0 and we are expanding
2810 __builtin_return_address.
2812 2006-06-12 Fred Fish <fnf@specifix.com>
2814 * config/mips/mips.c (mips_file_start): Create special section
2815 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2817 2006-06-11 Eric Christopher <echristo@apple.com>
2820 * stor-layout.c (place_field): Remove check for
2821 remaining_in_alignment when aligning at the end of a run.
2823 2006-06-11 Eric Christopher <echristo@apple.com>
2826 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2829 2006-06-11 Roger Sayle <roger@eyesopen.com>
2832 Revert incorrect fix for PR target/27158
2833 2006-05-08 Roger Sayle <roger@eyesopen.com>
2834 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2835 of a reg_equiv_constant if the result is a legitimate constant.
2837 2006-06-11 Roger Sayle <roger@eyesopen.com>
2840 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2841 extract a CONST_VECTOR element and interpret it as an integer.
2842 (vspltis_constant): Use const_vector_elt_as_int instead of the
2843 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2844 * config/rs6000/predicates.md (easy_vector_const): Consider
2845 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2847 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2850 * stor-layout.c (update_alignment_for_field): Don't add extra
2851 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2854 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2856 * config/mips/t-rtems: Add EL/EB multilib variants.
2858 2006-06-09 Mike Stump <mrs@apple.com>
2860 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2862 2006-06-09 David Daney <ddaney@avtrex.com>
2864 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2866 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2868 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2870 2006-06-09 Richard Guenther <rguenther@suse.de>
2872 PR tree-optimization/26998
2873 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2874 of signed types, only TYPE_MIN_VALUE is special, but for both,
2875 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2876 in this case, as is -fwrapv.
2878 2006-06-08 Mike Stump <mrs@apple.com>
2881 * config/darwin.c (darwin_asm_output_anchor): Disable
2882 -fsection-anchors on darwin for now.
2883 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2884 * rs6000/rs6000.c (optimization_options): Likewise.
2886 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2889 * config/i386/i386.c (classify_argument): Skip fields with invalid
2892 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2894 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2895 (cse_insn): Likewise for the stack_pointer_rtx.
2897 2006-06-08 Roger Sayle <roger@eyesopen.com>
2899 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2900 conditions from floating point comparisons.
2902 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2905 * expmed.c (struct alg_hash_entry): Fix type of field T
2906 to match synth_mult argument.
2907 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2909 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2912 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2915 2006-06-08 Richard Guenther <rguenther@suse.de>
2918 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2919 only, if overflow is defined and not trapping.
2920 (negate_expr): Likewise.
2922 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2924 PR tree-optimization/27872
2925 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2926 flag on the new exit edge of the unrolled loop.
2928 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2930 PR rtl-optimization/26449
2931 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2933 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2936 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2937 referenced_variables with matching DECL_UID's.
2938 (find_referenced_vars): Make sure duplicate list is empty to start.
2939 (referenced_var_p): Remove.
2940 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2941 Check if var is in the list, and add if needed. Update the duplicate
2942 list if a different var is in the list with the same DECL_UID.
2943 (add_referenced_var): Call routine to check and insert.
2944 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2945 * tree-flow.h (referenced_vars_dup_list): External declaration.
2947 2006-06-07 Fred Fish <fnf@specifix.com>
2949 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2952 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2955 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2956 the imaginary and real parts of a clobbered register.
2957 Emit insn to set the imaginary part.
2959 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2961 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2962 in lieu of unwind-dw2-fde.c.
2964 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2966 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2968 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2971 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2972 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2973 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2974 V4SImode temporaries and operations instead.
2976 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2978 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2981 2006-06-06 Mike Stump <mrs@apple.com>
2983 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2984 installing during build.
2986 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2988 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2990 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2991 * config/ia64/ia64.c (params.h): New header.
2992 (ia64_optimization_options): New function to adjust parameters.
2993 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2994 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2995 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2997 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2999 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3001 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3004 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3006 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3007 Victor Kaplansky <victork@il.ibm.com>
3009 PR tree-optimization/26360
3010 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3013 2006-06-04 Roger Sayle <roger@eyesopen.com>
3014 Andrew Pinski <pinskia@physics.uc.edu>
3017 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3018 for LABEL_DECL before calling DECL_WEAK.
3021 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3022 LABEL_DECL and PARM_DECL.
3024 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3028 * c-decl.c (grokdeclarator): Disallow variably modified types at
3029 file scope. Avoid marking shared array type of constant size as
3032 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3035 * c-common.c (fold_offsetof_1): Handle static members.
3037 2006-06-04 Eric Christopher <echristo@apple.com>
3039 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3040 (debug_rli): Output value for remaining_in_alignment.
3041 (update_alignment_for_field): Unconditionalize
3042 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3043 extra alignment code.
3044 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3045 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3046 * tree.h (record_layout_info_s): Remove prev_packed.
3047 * doc/extend.texi (ms_struct): Add documentation of format.
3049 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3051 * tree.h: Declare folding_initializer.
3052 * builtins.c (fold_builtin_constant_p): Give definite answer
3053 if folding inside an initializer.
3054 * fold-const.c: Define folding_initializer.
3055 (START_FOLD_INIT): Save and then set folding_initializer.
3056 (END_FOLD_INIT): Restore folding_initializer.
3058 2006-06-04 Richard Guenther <rguenther@suse.de>
3060 PR tree-optimization/27039
3061 * fold-const.c (fold_comparison): Handle pointer comparison
3062 again for all comparison codes. Compare offsets in signed
3064 (fold_binary): Move code from here.
3066 2006-06-03 Roger Sayle <roger@eyesopen.com>
3069 * config/i386/i386.c (construct_container): Split static issued_error
3070 flag into issued_sse_arg_error, issued_sse_ret_error and
3071 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3072 requires the use of x87 registers and the user explicitly
3073 specified the -mno-80387 command line option.
3075 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3077 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3078 HAVE_DECL_SIGALTSTACK.
3080 (segv_handler): Use MC_FLD.
3081 * configure.ac: Check for a sigaltstack declaration.
3082 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3083 * configure: Regenerate.
3084 * config.in: Regenerate.
3086 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3089 * Makefile.in (stmp-fixinc): Fix typo.
3091 2006-06-02 Roger Sayle <roger@eyesopen.com>
3093 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3094 are type correct. Clean-up.
3095 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3096 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3098 2006-06-01 DJ Delorie <dj@redhat.com>
3100 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3101 shift, as we've disabled the "switch" insn that needs it.
3103 2006-06-01 Per Bothner <bothner@bothner.com>
3105 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3106 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3107 * c-ppoutput.c (cb_define): Don't increment line 0.
3109 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3111 * doc/invoke.texi: Add cpu_type power6.
3112 * config.gcc: Add cpu_type power6.
3113 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3114 to power5+ with Altivec.
3115 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3116 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3118 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3120 * config/avr/avr.h (SET_ASM_OP): Define.
3122 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3124 * config/bfin/bfin.c: Fix comment typos.
3126 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3129 * doc/install.texi: Document --enable-bootstrap and
3130 --disable-bootstrap.
3132 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3134 * doc/install.texi: Document that InfoZIP can replace jar.
3136 2006-05-31 Roger Sayle <roger@eyesopen.com>
3138 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3139 isn't available, directly generate the simpler x87 patterns without
3140 the (use (const_int 0)).
3141 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3142 implementation isn't available.
3143 (*negdf2_1): Likewise.
3144 (*negxf2_1): XF mode negation is always done using the x87.
3145 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3147 2006-05-31 Roger Sayle <roger@eyesopen.com>
3149 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3150 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3152 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3154 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3156 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3157 * config/bfin/bfin.c (basic-block.h): Include.
3158 (struct machine_function): New.
3159 (bfin_init_machine_status): New.
3160 (override_options): Initialize init_machine_status.
3161 (bfin_hardware_loop): New.
3162 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3163 (DEF_VEC_P (loop_info)): New.
3164 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3165 (struct loop_info): New.
3166 (loop_info): New typedef.
3167 (struct loop_work): New.
3168 (loop_work): New typedef.
3169 (DEF_VEC_O (loop_work)): New.
3170 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3171 (bfin_dump_loops): New.
3172 (bfin_bb_in_loop): New.
3173 (bfin_scan_loop): New.
3174 (bfin_optimize_loop): New.
3175 (bfin_reorg_loops): New.
3176 (bfin_reorg): Use bfin_reorg_loops.
3177 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3179 (I_REGNO_P): Simplify.
3180 (DP_REGNO_P, DPREG_P): New macros.
3181 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3182 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3183 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3184 Add LT_REGS, LC_REGS, LB_REGS.
3185 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3187 (REGNO_REG_CLASS): Deal with loop registers.
3188 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3190 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3191 New constants for loop registers.
3192 (UNSPEC_LSETUP_END): New.
3193 (seq_insns): New define_attr. Set it for appropriate insns.
3194 (movsi_insn): Add alternatives for move from/to
3195 loop count registers.
3196 (doloop_end): New define_expand.
3197 (loop_end): New define_insn.
3198 (define_split for bad doloop_end): New.
3199 (lsetup_with_autoinit): New define_insn.
3200 (lsetup_without_autoinit): New define_insn.
3201 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3202 * config/bfin/predicates.md (lc_register_operand): New.
3203 (lt_register_operand): New.
3204 (lb_register_operand): New.
3205 (nondp_register_operand): New.
3206 (nondp_reg_or_memory_operand): New.
3207 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3209 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3211 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3212 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3214 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3216 * Makefile.in (CATALOGS): Add po/ prefix.
3217 * configure: Regenerated.
3219 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3222 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3223 a shift operand before calling shift_op. Avoid redundant call of
3226 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3227 DJ Delorie <dj@redhat.com>
3229 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3230 we're inserting is a singlt-bit constant.
3232 2006-05-30 Roger Sayle <roger@eyesopen.com>
3234 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3235 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3237 2006-05-30 Roger Sayle <roger@eyesopen.com>
3239 PR tree-optimization/23452
3240 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3241 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3242 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3243 complex values and with -ffast-math for FP complex values.
3245 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3247 * c-common.h: Remove the prototype for yyparse.
3248 * rtl.h: Remove the prototype for init_loop.
3250 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3252 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3255 2006-05-30 Roger Sayle <roger@eyesopen.com>
3257 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3259 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3260 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3262 2006-05-30 Dirk Mueller <dmueller@suse.de>
3265 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3266 for CONSTANT_CLASS_P expresisons.
3268 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3271 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3273 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3275 PR tree-optimization/27779
3276 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3277 initial_condition instead of CHREC_LEFT.
3279 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3281 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3282 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3283 Make prototypes ISO C90.
3285 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3286 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3288 * see.c (see_analyze_one_def): Correct check.
3289 (see_get_extension_data): Check if extension is parallel.
3290 (see_get_extension_reg): Likewise.
3292 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3295 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3296 into register for (code == GTU).
3298 2006-05-29 Roger Sayle <roger@eyesopen.com>
3300 PR tree-optimization/24964
3301 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3302 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3303 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3304 abs(x)*abs(x) as x*x for scalar floating point modes.
3306 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3309 * lambda-code.c (perfect_nestify): Don't copy statements
3310 in the inner loop: move them to the inner loop header.
3312 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3315 * c-tree.texi: Document OpenMP directives and clauses.
3317 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3319 * varasm.c (globalize_decl): Fix indentation.
3321 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3324 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3325 pass_fre, pass_store_ccp, pass_copy_prop,
3326 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3327 pass_return_slot, pass_object_size, pass_lim,
3328 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3329 pass_loop_prefetch and pass_stdarg.
3331 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3333 * config/bfin/bfin.opt (mfdpic): New option.
3334 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3335 (EXTRA_MULTILIB_PARTS): Likewise.
3336 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3337 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3339 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3340 (CRT_CALL_STATIC_FUNCTION): New.
3341 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3343 (CRT_CALL_STATIC_FUNCTION): New.
3344 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3346 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3347 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3348 (initialize_trampoline): Changed to handle FD-PIC code generation.
3349 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3350 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3351 (override_options): Disallow -mid-shared-library -mfdpic combination.
3352 Can't do unaligned ops if FD-PIC.
3353 Turn off flag_pic if trying to generate non-id-shared-library
3354 non-fdpic code, since it's not supported.
3355 (bfin_assemble_integer): New function.
3356 (TARGET_ASM_INTEGER): Define.
3357 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3359 * config/bfin/crtn.s: Restore them.
3360 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3362 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3363 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3364 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3365 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3366 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3368 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3369 FDPIC_REGS and FDPIC_FPTR_REGS.
3370 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3371 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3372 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3373 (load_funcdescsi): New pattern.
3374 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3375 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3376 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3378 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3380 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3383 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3385 * tree-flow.h: Remove the prototype for add_type_alias.
3386 * tree-ssa-alias.c (add_type_alias): Remove.
3388 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3390 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3391 config/fr30/fr30.md, config/i386/i386-interix.h,
3392 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3393 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3394 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3395 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3396 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3397 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3398 Follow spelling conventions.
3399 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3400 Follow spelling conventions.
3402 2006-05-27 Richard Guenther <rguenther@suse.de>
3405 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3406 to produce a constant of value 1 of generic type.
3408 2006-05-27 Dirk Mueller <dmueller@suse.de>
3410 * cgraphunit.c (decide_is_function_needed): Fix wrong
3413 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3415 PR rtl-optimization/27661
3416 * reload.c (find_reloads): When reloading a VOIDmode constant
3417 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3418 use Pmode as mode of the reload register.
3420 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3422 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3423 is enabled at -O and above.
3425 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3428 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3431 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3434 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3435 for anonymous variables explicitly declared by front ends.
3437 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3439 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3440 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3441 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3442 ref-all pointers, run a finalization pass for them.
3443 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3444 (finalize_ref_all_pointers): New function.
3445 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3446 regular pointer type to a ref-all pointer type.
3447 (get_tmt_for): Return the special memory tag for ref-all pointers.
3449 2006-05-25 Richard Guenther <rguenther@suse.de>
3452 * fold-const.c (fold_binary): Do not look at the stripped
3453 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3455 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3457 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3458 for LT and GT if the computed range is effectively empty.
3460 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3463 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3464 mips_quad_format formats instead of ieee_single_format,
3465 ieee_double_format and ieee_quad_format formats, respectively.
3467 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3469 PR tree-optimization/27639
3470 PR tree-optimization/26719
3471 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3472 call to scev_probably_wraps_p.
3473 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3474 used_in_pointer_arithmetic_p, convert_step): Removed.
3475 (nowrap_type_p): New function.
3476 (scev_probably_wraps_p): Rewritten.
3477 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3478 chrec_convert if chrec_convert_aggressive might have been used.
3479 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3480 scev_direction): New functions.
3481 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3482 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3483 instead of convert_step.
3484 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3485 (convert_step): Declaration removed.
3486 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3488 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3490 * df-core.c: Added to header comments.
3491 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3492 df_ur_bb_info, df_urec_bb_info): Added comments.
3493 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3494 urec, ri problems): Fixed header comments.
3495 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3496 code from df_rd_transfer_function.
3498 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3500 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3501 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3502 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3504 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3506 * expr.c (undefined_operand_subword_p): New.
3507 (emit_move_multi_word): Do not generate move from undefined bits
3508 of a paradoxical subreg.
3510 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3512 PR rtl-optimization/27736
3513 * combine.c (replaced_rhs_value): New variable.
3514 (combine_instructions): Set it.
3515 (distribute_notes): When distributing a note in replaced_rhs_insn,
3516 check whether the value was used in replaced_rhs_value.
3518 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3521 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3522 add_referenced_var instead of add_referenced_tmp_var.
3523 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3524 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3526 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3527 tree_optimize_tail_calls_1): Use add_referenced_var.
3528 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3529 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3530 Use add_referenced_var.
3531 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3532 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3533 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3534 Use add_referenced_var.
3535 * tree-dfa.c (struct walk_state): Remove.
3536 (find_referenced_vars): Remove walk state and vars_found hash table.
3537 (make_rename_temp): Use add_referenced_var.
3538 (find_vars_r): Pass less parameters to add_referenced_var.
3539 (referenced_var_p): New. Is var in referenced_var hash table.
3540 (referenced_var_insert): Assert var isn't already in hash table.
3541 (add_referenced_var): Don't need walk_state parameter. Add var if it
3542 isn't already in the hash table.
3543 (add_referenced_tmp_var): Remove.
3544 (find_new_referenced_vars_1): Use add_referenced_var.
3545 * tree-ssa-pre.c (create_expression_by_pieces,
3546 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3547 Use add_referenced_var.
3548 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3549 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3550 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3552 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3553 vect_create_data_ref_ptr, vect_create_destination_var,
3554 vect_init_vector, vect_build_loop_niters,
3555 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3556 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3557 Use add_referenced_var.
3558 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3559 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3560 (add_referenced_var): Add prototype.
3561 * tree-ssa-structalias.c (get_constraint_for,
3562 intra_create_variable_infos): Use add_referenced_var.
3564 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3566 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3567 big-endian paradoxical subregs.
3568 * var-tracking.c (struct micro_operation_def): Document that,
3569 for modify micro operations, insn is the subsequent instruction.
3570 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3571 (var_reg_set, var_mem_set): ... new functions.
3572 (add_stores): Record subsequent insn.
3573 (compute_bb_dataflow): Use new functions for MO_USE.
3574 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3575 notes after the insn, and modify notes before the insn known
3576 to be the subsequent one.
3577 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3579 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3582 * config/i386/i386.c (ix86_expand_builtin): Use
3583 gen_sse3_monitor64 for TARGET_64BIT.
3585 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3587 PR rtl-optimization/26375
3588 PR rtl-optimization/26855
3589 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3591 (df_ru_bb_local_compute): Reversed statements and removed bogus
3592 comment explaining why they should be in wrong order.
3593 (df_ru_dump, df_rd_dump): Enhanced debug info.
3594 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3596 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3597 reaching uses and fixed space problem.
3599 2006-05-23 Jan Hubicka <jh@suse.cz>
3601 * cgraphunit.c (decide_is_function_needed): Also nested functions
3602 and functions declared inline can be optimized out at -O0.
3604 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3606 * doc/install.texi (Configuration): Remove reference to CrossGCC
3610 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3613 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3614 ix86_compare_emitted is non-NULL.
3616 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3619 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3622 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3624 PR rtl-optimization/25514
3625 * combine.c (replaced_rhs_insn): New variable.
3626 (combine_instructions): Set replaced_rhs_insn when trying to replace
3627 a SET_SRC with a REG_EQUAL note.
3628 (distribute_notes): Use replaced_rhs_insn when determining the live
3629 range of a REG_DEAD register.
3631 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3632 Anatoly Sokolov <aesok@post.ru>
3634 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3635 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3636 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3637 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3638 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3639 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3640 at90usb647, at90usb1286 and at90usb1287 devices.
3641 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3642 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3644 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3646 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3648 2006-05-22 Richard Guenther <rguenther@suse.de>
3651 2006-01-31 Richard Guenther <rguenther@suse.de>
3652 Paolo Bonzini <bonzini@gnu.org>
3654 * doc/install.texi (--disable-libgcc-math): Document.
3656 2006-05-22 Richard Guenther <rguenther@suse.de>
3659 2006-01-31 Richard Guenther <rguenther@suse.de>
3661 * doc/invoke.texi (-msselibm): Document.
3662 * target.h (expand_library_builtin): New target hook.
3663 * builtins.c (expand_builtin): Use expand_library_builtin.
3664 (default_expand_library_builtin): New function.
3665 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3666 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3667 (link_gcc_math_spec): Declare.
3668 (static_specs): Add link_gcc_math_spec.
3669 * expr.h (default_expand_library_builtin): Declare.
3670 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3671 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3672 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3673 * config/i386/i386.opt (msselibm): New target option.
3674 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3675 (ix86_init_sse_abi_builtins): New function.
3676 (ix86_expand_library_builtin): Likewise.
3677 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3678 (override_options): Handle error conditions wrt -msselibm.
3679 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3680 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3681 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3684 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3687 * c-common.c (self_promoting_args_p): Skip erroneous args.
3690 * c-decl.c (finish_struct): Skip erroneous fields.
3692 2006-05-22 Nick Clifton <nickc@redhat.com>
3694 * config/cris/cris.opt (march): Remove VarExists attribute.
3695 (max-stackframe=): Likewise.
3697 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3699 * doc/rtl.texi: Fix a typo.
3700 * see.c: Fix comment typos.
3702 * tree-ssa-structalias.h (alias_info): Remove num_references.
3704 2006-05-21 Mike Stump <mrs@apple.com>
3706 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3708 (darwin_pragma_options): Use BAD instead.
3709 (darwin_pragma_unused): Likewise.
3710 (darwin_pragma_ms_struct): Likewise.
3712 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3714 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3716 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3718 PR rtl-optimization/27671
3719 * simplify-rtx.c (simplify_relational_operation_1): Fix
3720 simplifications of (eq/ne (xor x y) y) and
3721 (eq/ne (xor x y) x).
3723 PR tree-optimization/26622.
3724 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3727 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3729 * tree-cfg.c: Prune whitespace.
3730 (debug_tree_cfg): Point to correct header containing the
3733 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3736 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3738 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3741 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3742 or sorry count is non zero.
3744 2006-05-20 Andreas Schwab <schwab@suse.de>
3746 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3748 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3749 Kenneth Zadeck <zadeck@naturalbridge.com>
3751 PR rtl-optimization/26855
3753 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3755 (df_scan_alloc): Added code to properly handle multiword hard
3756 registers and add all_blocks parameter.
3757 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3758 code to properly handle multiword hard registers.
3759 (df_rescan_blocks): Added code to remove deleted blocks from
3761 (df_ref_create_structure, df_ref_record): Added code to properly
3763 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3764 and set DF_REF_PARTIAL.
3765 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3766 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3767 (df_scan_add_problem): Added flags parameter.
3768 (df_ref_create_structure): Changed switching structure.
3769 (df_bb_refs_record): Fixed case where duplicate artificial refs
3770 were created. Changed location of flags.
3771 (df_record_entry_block_defs): Added code to make stack pointer
3772 live in entry block. Refined cases where frame pointer is needed.
3773 Changed location of flags.
3774 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3775 (df_set_state): Removed function.
3776 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3777 df_insn_create_insn_record, df_insn_refs_delete,
3778 df_ref_create_structure): Formatting changes.
3779 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3780 df_delete_basic_block): New function.
3781 (df_init): Changed location of flags.
3782 (df_add_problem): Added flags parameter and the way flags are
3784 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3785 debug_df_chain): Improved debugging output.
3786 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3787 (df_refs_chain_dump): Removed df parameter.
3788 (df_iterative_dataflow): Added consistency check.
3789 (df_prune_to_subcfg): Made public.
3790 (df_analyze_problem): Added blocks_to_init parameter and made
3792 (df_ref_record, df_bb_refs_record, df_mark_reg,
3793 df_record_exit_block_uses): Whitespace changes.
3794 (df_dump): Whitespace changes.
3795 * df.h: Some reordering to remove forward references.
3796 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3797 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3798 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3799 (dataflow.flags): New field.
3800 (df.flag): Deleted field.
3801 (df_alloc_function): Added additional bitmap parameter.
3802 (df_dependent_problem_function): New type.
3803 (df_problem.changeable_flags): New field.
3804 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3805 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3806 (df_mw_hardreg): New struct.
3807 (DF_INSN_UID_MWS): New macro.
3808 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3810 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3811 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3812 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3813 (df_set_state): Removed function.
3814 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3815 * df-problems.c (df_chain_dump): Removed df parameter.
3816 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3817 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3819 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3820 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3821 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3822 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3823 DF_REF_MUST_CLOBBER cases.
3824 (df_ru_bb_local_compute_process_def,
3825 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3826 df_lr_bb_local_compute, df_ur_bb_local_compute,
3827 df_chain_create_bb): Made subreg aware.
3828 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3829 df_lr_bb_local_compute, df_lr_bb_local_compute,
3830 df_chain_create_bb): Cleanup to use proper macros.
3831 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3832 code to fixup bitvectors.
3833 (df_ri_alloc): Cleared lifetime.
3834 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3835 df_create_unused_note): New function.
3836 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3837 REG_DEAD and REG_UNUSED notes as well as register information.
3838 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3839 df_chains_dump): Fixed crash if problem was never run.
3840 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3841 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3842 df_ri_add_problem): Processes flags in uniform manner.
3843 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3844 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3845 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3846 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3847 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3848 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3849 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3850 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3851 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3852 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3853 * see.c (see_initialize_data): Ditto.
3854 * final.c (rest_of_clean_state) Added regstack_completed.
3855 * rtl.h (regstack_completed): Ditto.
3856 * reg-stack.c (regstack_completed): Ditto.
3858 2006-05-19 Mike Stump <mrs@apple.com>
3860 * c-tree.h (default_conversion): Remove.
3861 * c-common.h (default_conversion): Add.
3863 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3865 * tree-vrp.c (valid_value_p): New function.
3866 (adjust_range_with_scev): Fail if the value of bound is not
3869 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3871 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3872 (mips_fallback_frame_state): Use syscall numbers to determine
3873 the appropriate li instruction for the current ABI. Only use
3874 __NR_sigreturn for o32.
3876 2006-05-19 Nicolas Setton <setton@adacore.com>
3878 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3879 * langhooks.c (lhd_dwarf_name): New function.
3880 * langhooks-def.h (lhd_dwarf_name): Declare.
3881 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3882 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3883 * ada/misc.c (gnat_dwarf_name): New function.
3884 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3886 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3888 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3890 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3891 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3892 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3893 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3894 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3895 determine the size of Wtype, etc.
3896 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3897 (swfloatfuncs): New variable.
3898 (dwfloatfuncs): Likewise.
3899 (lib2funcs): Remove floating-point conversion functions from
3900 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3901 the set of conversion routines needed. Allow entries to specify
3902 an object name, filename and word size. Update users accordingly.
3903 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3904 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3908 2006-02-08 Roger Sayle <roger@eyesopen.com>
3911 * config/fixtfdi.c: New libgcc source file.
3912 * config/fixunstfdi.c: New source file.
3913 * config/floatditf.c: New source file.
3914 * config/floatunditf.c: New souce file.
3915 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3916 files above instead of config/mips/_tilib.c.
3917 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3919 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3921 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3922 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3924 2006-05-18 Mike Stump <mrs@apple.com>
3926 Fix up vla, vm and [*] sematics.
3932 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3933 (c_vla_unspec_p): Add.
3934 (c_vla_type_p): Add.
3935 * c-decl.c (struct c_scope): Add had_vla_unspec.
3936 (build_array_declarator): Add support for [*].
3937 (grokdeclarator): Likewise.
3938 (grokparms): Likewise.
3939 (get_parm_info): Likewise.
3940 * c-objc-common.c (c_vla_unspec_p): Likewise.
3941 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3942 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3943 typeof when argument is a variably modified type not inside sizeof or alignof.
3944 (c_parser_direct_declarator_inner): Propagate errors.
3945 (c_parser_sizeof_expression): Add support for [*].
3946 (c_parser_parms_declarator): Initialize had_vla_unspec.
3947 (c_parser_parms_list_declarator): Likewise.
3948 * c-typeck.c (c_vla_type_p): Add.
3949 (composite_type): Add support for vla compositing.
3950 (comptypes_internal): Add support for vla compatibility.
3951 (c_expr_sizeof_expr): Evaluate vla arguments.
3952 * tree.c (variably_modified_type_p): Update comment for [*].
3954 2006-05-18 Michael Matz <matz@suse.de>
3957 * config.host: Make assignments to host_xmake_file cumulative.
3958 * config.host (*-darwin*): Test $host, not $target.
3960 2006-05-12 Stuart Hastings <stuart@apple.com>
3962 * config/i386/i386.opt (-mstackrealign): New flag.
3963 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3964 (ix86_handle_cconv_attribute): Emit error when
3965 force_align_arg_pointer attribute collides with too many regparms.
3966 (ix86_function_regparm): Limit regparms when used with
3967 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3968 Support stack-realigning prologue in non-main functions. Emit
3969 warning for nested functions under -mstackrealign, emit error for
3970 nested functions with force_align_arg_pointer attribute.
3971 * doc/extend.texi (force_align_arg_pointer): Document it.
3972 * doc/invoke.texi (-mstackrealign): Document it.
3974 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3976 PR rtl-optimization/27477
3977 * combine.c (try_combine): Don't split a parallel consisting
3978 of two sets into two individual sets if both sets reference
3981 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3983 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3984 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3986 * doc/options.texi (VarExists): Updated.
3988 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3990 * unwind-dw2.c: Add declarations for uw_update_context and
3992 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3993 detected, advance frame state and context once to skip over stub.
3995 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3999 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4000 Call rewrite_into_loop_closed_ssa only when something changed.
4001 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4002 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4003 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4004 Test for perfect_nest_p here. Fix formating.
4005 (replace_uses_equiv_to_x_with_y): Fix formating.
4006 (stmt_uses_op): Removed.
4007 (can_convert_to_perfect_nest): Removed loopivs parameter.
4008 Complete the test by checking the scalar dependences.
4009 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4012 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4015 From Dan Kegel <dank@kegel.com>:
4016 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4018 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4020 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4021 if the element type is variably modified without recursing.
4023 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4026 * tree-loop-linear.c (try_interchange_loops): Test for
4027 no data dependences.
4029 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4031 PR tree-optimization/27548
4032 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4033 range of ssa names that appear on abnormal edges.
4034 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4035 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4037 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4040 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4042 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4045 * tree.h (OMP_PARALLEL_COMBINED): Define.
4046 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4047 (new_omp_context): Add is_combined_parallel argument.
4048 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4049 new_omp_context caller.
4050 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4051 Adjust gimplify_scan_omp_clauses callers.
4052 (omp_is_private): Issue errors if iteration variable is firstprivate
4053 or reduction in the current context.
4054 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4055 on combined parallel workshare constructs.
4057 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4059 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4060 (gcc-options.o): New rule.
4062 * optc-gen.awk: Protect variables for gcc-options.o with
4063 #ifdef GCC_DRIVER/#endif.
4065 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4067 Fix PR tree-optimization/27373
4068 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4069 (forward_propagate_addr_expr): Update call.
4071 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4073 * doc/options.texi: Move the Negative option.
4075 2006-05-16 Richard Guenther <rguenther@suse.de>
4077 PR tree-optimization/22303
4078 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4080 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4081 ccp_fold did not simplify the statement.
4083 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4086 * Makefile.in (GCC_OBJS): New.
4087 (OBJS-common): Add opts-common.o.
4088 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4089 (cpp$(exeext)): Likewise.
4090 (gcc.o): Also depend on opts.h.
4091 (opts-common.o): New.
4093 * common.opt (gcoff): Add Negative(gdwarf-2).
4094 (gdwarf-2): Add Negative(gstabs).
4095 (gstabs): Add Negative(gstabs+).
4096 (gstabs+): Add Negative(gvms).
4097 (gvms): Add Negative(gxcoff).
4098 (gxcoff): Add Negative(gxcoff+).
4099 (gxcoff+): Add Negative(gcoff).
4100 * config/i386/i386.opt (m32): Add Negative(m64).
4101 (m64): Add Negative(m32).
4103 * doc/options.texi: Document the Negative option.
4105 * gcc.c: Include "opts.h".
4106 (main): Call prune_options after expandargv.
4108 * optc-gen.awk: Generate common declarations for all flag
4109 variables in options.c. Output the neg_index field.
4111 * opts.c (find_opt): Moved to ...
4112 * opts-common.c: Here. New file.
4114 * opts.h (cl_option): Add a neg_index field.
4116 (prune_options): Likewise.
4118 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4121 * omp-low.c (expand_omp_parallel): Don't assert
4122 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4123 instead search for it.
4126 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4129 2006-05-16 Andreas Schwab <schwab@suse.de>
4131 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4134 2006-05-15 Roger Sayle <roger@eyesopen.com>
4137 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4138 integer constants other than zero are only legitimate on TARGET_64BIT.
4139 <CONST_VECTOR> Only zero vectors are legitimate.
4140 (ix86_cannot_force_const_mem): Integral and vector constants can
4141 always be put in the constant pool.
4143 2006-05-16 DJ Delorie <dj@redhat.com>
4145 * crtstuff.c (__dso_handle): Set section from
4146 TARGET_LBIGCC_SDATA_SECTION if defined.
4147 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4148 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4150 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4153 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4156 2006-05-16 Ben Elliston <bje@au.ibm.com>
4158 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4160 2006-05-15 Per Bothner <per@bothner.com>
4162 * tree.c: (last_annotated_node): Use source_locus typedef.
4163 This permits bootstrapping with --enable-mapped-location.
4165 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4167 PR tree-optimization/26830
4168 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4169 (info_for_ssa_name, current_info_for_ssa_name_age,
4170 blocks_to_update): New variables.
4171 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4172 (clear_ssa_name_info, initialize_flags_in_bb,
4173 mark_block_for_update): New functions.
4174 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4175 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4176 prepare_def_site_for): Use mark_block_for_update.
4177 (mark_def_interesting): Assert that the processed block is marked in
4178 blocks_to_update. Do not take blocks argument.
4179 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4181 (rewrite_update_init_block, rewrite_update_stmt): Only process
4182 blocks with statements to rewrite.
4183 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4184 (update_ssa): Initialize and free blocks_to_update. Do not
4185 clear flags on statements. Do not use blocks bitmap.
4186 * tree.h (SSA_NAME_AUX): Removed.
4187 (struct tree_ssa_name): Removed aux field.
4188 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4190 2006-05-15 Richard Guenther <rguenther@suse.de>
4192 PR tree-optimization/27603
4193 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4194 Do computations in original type.
4196 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4198 * see.c: Code style changes such as redundant paranthesis,
4199 redundant intialization of local variables etc.
4200 (see_main): Declared now as static.
4201 * doc/invoke.texi: Update that -fsee is not enabled by
4204 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4206 * omp-low.c (check_omp_nesting_restrictions): New function.
4207 (scan_omp_1): Call it.
4210 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4211 construct, return *VAR.
4213 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4215 PR rtl-optimization/27406
4216 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4219 2006-05-14 Roger Sayle <roger@eyesopen.com>
4221 PR rtl-optimization/27538
4222 * combine.c (expand_compound_operation): Call gen_lowpart
4223 before calling simplify_shift_const.
4225 2006-05-14 Roger Sayle <roger@eyesopen.com>
4227 PR rtl-optimization/22563
4228 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4229 a fixed width bitfield, always force the intermediates into psuedos.
4231 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4234 * mkconfig.sh: Use operator = instead of == for test.
4236 2006-05-13 Nick Clifton <nickc@redhat.com>
4238 * dwarf2out.c (dbx_reg_number): Check return value from
4239 LEAF_REG_REMAP and only use it if it is valid.
4240 (multiple_reg_loc_descriptor): Likewise.
4242 2006-05-13 Richard Guenther <rguenther@suse.de>
4244 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4247 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4249 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4250 information attached to non-INSNs such as NOTEs.
4251 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4253 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4255 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4257 * config/s390/s390.md: Adjust comment describing On constraint.
4259 2006-05-11 Jan Hubicka <jh@suse.cz>
4261 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4262 to be output at -O0.
4264 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4267 * fold-const.c (size_binop): Move sanity check for arguments to
4268 the beginning of the function.
4271 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4274 2006-05-11 Richard Guenther <rguenther@suse.de>
4277 * fold-const.c (fold_unary): Handle intermediate conversion
4278 to a pointer type like intermediate conversion to an integer
4279 type in folding of (T1)(T2)var to var.
4280 Match the code to the comment in the final conversion for
4281 (T1)(T2)var to (T1)var regarding to type precision. Rather
4282 than disallow T1 being of pointer type, assert that both T1
4283 and var are of pointer type or not. Make sure not to fall
4284 over the frontends lazyness wrt array to pointer decay though.
4286 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4288 * arm.c (arm_struct_value_rtx): Delete.
4289 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4290 (arm_init_cumulative_args): Always initialize nregs to zero.
4292 2006-05-10 Richard Guenther <rguenther@suse.de>
4294 PR tree-optimization/27532
4295 * tree-object-size.c (plus_expr_object_size): Fix typo.
4297 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4300 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4301 ashrdi_const, ashrdi3): Use a scratch register.
4303 2006-05-10 Richard Guenther <rguenther@suse.de>
4305 PR tree-optimization/27302
4306 * fold-const.c (operand_equal_p): For two comparisons,
4307 try comparison of one comparison code swapped if that yields
4310 2006-05-10 Ben Elliston <bje@au.ibm.com>
4312 * tree-pretty-print.c (pretty_print_string): No need to handle
4313 '\0' as a special character.
4315 * tree.h: Include "hashtab.h".
4316 (iterative_hash_expr): Use hashval_t in its prototype.
4317 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4319 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4322 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4323 (hppa*64*-*-hpux11*): Ditto.
4324 (hppa[12]*-*-hpux11*): Ditto.
4326 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4329 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4331 2006-05-09 Michael Matz <matz@suse.de>
4333 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4334 host_extra_gcc_objs and host_xmake_file.
4335 (<*-*-linux*>): Don't overwrite host_xmake_file.
4336 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4337 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4338 (host_detect_local_cpu): Declare.
4339 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4340 * config/i386/i386.c (override_options): Handle -mtune=native
4342 * config/i386/x-i386: New file.
4343 * config/i386/driver-i386.c: New file.
4344 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4347 2006-05-09 Dirk Mueller <dmueller@suse.de>
4348 Richard Guenther <rguenther@suse.de>
4351 * fold-const.c (fold_read_from_constant_string): Relax check
4352 for matching types to matching modes.
4354 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4356 PR rtl-optimization/27335
4357 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4360 2006-05-08 Chao-ying Fu <fu@mips.com>
4361 Richard Sandiford <richard@codesourcery.com>
4363 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4364 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4365 * config/mips/mips.md (UNSPEC_SCC): New constant.
4366 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4367 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4368 (mips_emit_compare): Use it.
4369 (mips_expand_vcondv2sf): New function.
4371 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4373 Fix PR tree-optimization/27093
4374 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4375 renaming when they become not-used_alone.
4377 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4379 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4380 relocation and relocation stubs.
4382 2006-05-08 Eric Christopher <echristo@apple.com>
4384 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4387 2006-05-08 Jan Hubicka <jh@suse.cz>
4390 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4391 unused static functions are needed.
4393 2006-05-08 Roger Sayle <roger@eyesopen.com>
4396 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4397 of a reg_equiv_constant if the result is a legitimate constant.
4399 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4402 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4403 standard 80387 constants, raise the cost to prevent
4404 compress_float_constant() to generate load from memory.
4406 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4408 * config/arm/constraints.md (c): Fix a typo.
4410 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4413 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4416 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4418 (_mm_mwait): Likewise.
4420 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4422 (sse3_monitor): Make it 32bit only.
4423 (sse3_monitor64): New. 64bit monitor.
4425 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4428 * config/i386/i386.c (classify_argument): Skip fields with invalid
4431 2006-05-07 Richard Guenther <rguenther@suse.de>
4433 PR tree-optimization/27409
4434 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4435 Do not try to find zero-sized subvars.
4437 2006-05-07 Richard Guenther <rguenther@suse.de>
4439 PR tree-optimization/27136
4440 * tree-ssa-loop-niter.c (get_val_for): Correct function
4441 comment, assert requirements.
4442 (loop_niter_by_eval): Stop processing if the iterated
4443 value did not simplify.
4445 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4447 * opts.c (flag_see): remove its setting at -O3.
4449 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4451 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4452 * arm/constraints.md: New file.
4453 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4454 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4455 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4456 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4457 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4458 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4459 * arm.md: Include constraints.md.
4460 (thumb_movsi_insn): Use satisfies_constraint_J.
4461 (movhi, movqi): Use satisfies_constraint_I.
4463 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4465 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4466 for atmeg a645 device.
4468 2006-05-06 Richard Guenther <rguenther@suse.de>
4470 PR tree-optimization/27151
4471 * tree-vect-transform.c (vectorizable_condition): Punt on
4472 values that have a different type than the condition.
4474 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4477 * c-parser.c (c_parser_cast_expression): Only insert casts into
4478 hash table if pointer.
4479 * function.c (used_types_insert_helper): Rename from
4481 (used_types_insert): Call used_types_insert_helper.
4482 * function.h (used_types_insert): Accept only one argument.
4484 2006-05-05 David Edelsohn <edesohn@gnu.org>
4486 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4487 scratch with output modifier.
4489 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4492 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4493 with output modifier.
4495 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4498 * config/mips/mips.c (mips_symbolic_address_p): Return true
4499 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4500 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4502 2006-05-04 Richard Guenther <rguenther@suse.de>
4504 PR tree-optimization/14287
4505 PR tree-optimization/14844
4506 PR tree-optimization/19792
4507 PR tree-optimization/21608
4508 PR tree-optimization/27090
4509 * tree-ssa-pre.c (try_combine_conversion): New function.
4510 (compute_avail): After constructing the value-handle
4511 expression, use try_combine_conversion to combine NOP_EXPRs
4512 with previous value-handle expressions and use the result if it
4515 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4517 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4519 2006-05-04 Jan Hubicka <jh@suse.cz>
4522 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4524 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4526 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4527 that this only matches CONST_INTs. All users changed to VOIDmode
4530 * config/bfin/bfin.c: Include "optabs.h".
4531 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4533 (enum bfin_builtins): Add a number of fractional and vector builtins.
4534 (bfin_init_builtins): Likewise.
4535 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4536 (safe_vector_operand, bfin_expand_binop_builtin,
4537 bfin_expand_unop_builtin): New functions.
4538 (bfin_expand_builtin): Handle the new builtins.
4539 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4542 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4545 * Makefile.in (OBJS-common): Add see.o.
4546 (see.o): Add dependencies.
4547 * common.opt (fsee): New flag for the see optimization was added.
4548 * opts.c (flag_see): Initialized.
4549 * passes.c (init_optimization_passes, pass_see): New pass.
4550 * rtl.h (see_main): Declaration as extern.
4551 * timevar.def (TV_SEE): New.
4552 * tree-pass.h (pass_see): Declaration as extern.
4553 * invoke.texi (-fsee): Document.
4554 * recog.c (validate_simplify_insn): New function.
4555 * recog.h (validate_simplify_insn): Declaration as extern.
4556 * df-problems.c (df_chain_dump): Check for NULL.
4558 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4559 Daniel Berlin <dberlin@dberlin.org>
4561 * cfgrtl.c (insert_insn_bb_end_new): New function.
4562 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4564 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4566 * df.h (struct web_entry): Moved from web.c.
4567 (union_defs): Declaration as extern.
4568 (unionfind_root): Likewise.
4569 (unionfind_union): Likewise.
4570 * web.c (struct web_entry): Moved to df.h.
4571 (unionfind_root): Remove static declaration.
4572 (unionfind_union): Likewise.
4573 (union_defs): Likewise and generalize to use callback function.
4574 (web_main): Update arguments for union_defs function call.
4576 2006-05-04 Richard Guenther <rguenther@suse.de>
4578 PR tree-optimization/26447
4579 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4580 produce SSA_NAME copies before the store stmt to avoid
4581 breaking exception handling.
4583 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4586 * gimplify.c (omp_is_private): If var is shared in some outer context,
4587 return false instead of true. Stop searching on parallel context
4590 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4593 * coverage.c: Use get_gcov_unsigned_t() instead of
4594 unsigned_type_node all over.
4596 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4598 PR tree-optimization/27381
4599 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4600 maintain the same immediate_use links.
4601 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4602 node rather than segfaulting.
4604 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4607 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4608 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4609 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4611 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4613 Fix PR tree-optimization/26626
4614 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4616 * tree-ssa-operands.c (access_can_touch_variable): Allow
4617 typecasting through union pointers.
4619 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4622 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4623 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4624 to find if var will be a global variable even in the nested context.
4625 (omp_copy_decl): Only check for global variable at the end, it might
4626 be overridden in outer contexts.
4627 (scan_sharing_clauses): For global variables don't create a field.
4628 (lower_rec_input_clauses): Do nothing for global shared variables.
4629 Emit a barrier at the end of ILIST if there were any decls in both
4630 firstprivate and lastprivate clauses.
4631 (lower_send_clauses): Do nothing for global variables except for
4634 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4636 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4637 of the correct signedness is returned.
4639 2006-05-02 Jeff Law <law@redhat.com>
4641 PR tree-optimization/27364
4642 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4643 multiply expressions.
4645 2006-05-02 Tom Tromey <tromey@redhat.com>
4647 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4649 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4652 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4653 -mthumb -fPIC are used.
4655 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4656 Joshua Kinard <kumba@gentoo.org>
4659 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4660 with 64-bit pointers.
4662 2006-05-02 Paul Brook <paul@codesourcery.com>
4664 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4666 (create_fix_barrier): Check that a suitable barrier location is
4668 (arm_reorg): Include ftmp->address in allowable range of addresses.
4670 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4673 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4676 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4679 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4680 around RESULT_DECL for result passed by reference.
4681 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4682 * omp-low.c (use_pointer_for_field): Don't look at
4683 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4684 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4685 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4686 time or var for passing by reference for
4687 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4688 TREE_ADDRESSABLE variables when passing by reference.
4690 * omp-low.c (dump_omp_region): Fix output formatting.
4693 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4694 (expand_omp_parallel): Likewise.
4695 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4698 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4699 on statement list containing also constructors and destructors.
4700 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4703 * except.c (duplicate_eh_regions): Fix clearing of
4704 cfun->eh->region_array entries.
4706 2006-05-01 DJ Delorie <dj@redhat.com>
4708 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4710 (gcc_cv_objdump): Likewise.
4711 * configure: Regenerated.
4713 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4716 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4717 templates for case 3 and 4.
4719 2006-05-01 DJ Delorie <dj@redhat.com>
4721 * vec.c: Include bconfig.h when appropriate.
4722 * Makefile.in (build/vec.o): Adjust dependencies.
4723 * mkconfig.sh: Make sure config.h isn't used for build machine
4726 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4728 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4730 (mark_phi_for_rewrite): New function.
4731 (insert_phi_nodes_for, mark_use_interesting): Call
4732 mark_phi_for_rewrite.
4733 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4734 (update_ssa): Initialize and free phis_to_rewrite.
4736 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4738 PR rtl-optimization/27291
4739 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4740 folded to a constant.
4742 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4744 PR tree-optimization/27283
4745 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4746 not whole # of iteration descriptions.
4747 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4748 uses abnormal ssa name.
4749 (niter_for_single_dom_exit): Ditto.
4750 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4751 return just the number of iterations.
4753 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4755 PR tree-optimization/27144
4756 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4757 (record_estimate): Only record constant upper bound.
4758 (infer_loop_bounds_from_undefined): Call
4759 compute_estimated_nb_iterations just once.
4760 (proved_non_wrapping_p): Renamed to ...
4761 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4762 (convert_step_widening, scev_probably_wraps_p): Call
4763 n_of_executions_at_most instead of proved_non_wrapping_p.
4764 (substitute_in_loop_info): Do not replace values in bounds.
4765 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4768 2006-05-01 Richard Henderson <rth@redhat.com>
4771 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4772 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4775 2006-05-01 Roger Sayle <roger@eyesopen.com>
4777 * c-typeck.c (parser_build_binary_op): Don't call the function
4778 unsigned_conversion_warning to spot operand/result type overflow.
4779 (build_binary_op): Instead, call convert_and_check instead of
4780 convert to report the problem when the operands are promoted.
4781 * c-common.c (unsigned_conversion_warning): Make static.
4782 * c-common.h (unsigned_conversion_warning): Delete prototype.
4784 2006-05-01 Richard Guenther <rguenther@suse.de>
4786 PR tree-optimization/26726
4787 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4789 (find_interesting_uses_address): ... we work around here
4790 by folding INDIRECT_REFs in the substituted base.
4792 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4794 * omp-low.c (dump_omp_region): Add newlines.
4796 2006-04-30 Roger Sayle <roger@eyesopen.com>
4798 * common.opt (Woverflow): New command line option.
4799 * c-common.c (constant_expression_warning): Check warn_overflow.
4800 (overflow_waring): Pass OPT_Woverflow to warning.
4801 (unsigned_conversion_warning): Likewise.
4802 (convert_and_check): Likewise.
4803 * doc/invoke.texi: Document new command line option.
4805 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4807 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4808 TARGET_NO_FP_IN_TOC for section anchors.
4809 (optimization_options): Enable section anchors for all
4810 non-"Objective" languages.
4812 2006-04-28 Eric Christopher <echristo@apple.com>
4814 * config/darwin-c.c (darwin_ms_struct): Move this
4815 (darwin_set_default_type_attributes): and this...
4816 * config/darwin.c: ... here.
4817 * config/darwin.h (darwin_ms_struct): Declare.
4819 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4821 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4823 2006-04-28 Roger Sayle <roger@eyesopen.com>
4826 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4827 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4828 an unsigned HOST_WIDE_INT.
4829 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4831 (really_start_incremental_init): No need to call convert because
4832 bitsize_zero_node is already of type bitsizetype.
4833 (push_init_level): Extract the value of constructor_index as an
4834 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4835 (process_init_element): Likewise.
4837 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4839 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4840 value before passing to make_relative_prefix.
4842 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4845 * builtins.c (expand_builtin_memset): Expand val in original mode.
4847 2006-04-27 Eric Christopher <echristo@apple.com>
4849 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4850 with #ifndef/#endif.
4851 * config/darwin-c.c (darwin_ms_struct): New.
4852 (darwin_pragma_ms_struct): Ditto.
4853 (darwin_set_default_type_attributes): Ditto.
4854 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4855 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4856 Register ms_struct pragma.
4857 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4858 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4859 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4860 darwin_set_default_type_attributes if TARGET_MACHO.
4862 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4864 PR tree-optimization/26854
4865 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4866 * doc/tree-ssa.texi: Update immuse iterator documentation.
4867 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4868 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4869 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4870 first_safe_imm_use, next_safe_imm_use): Remove.
4871 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4872 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4873 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4874 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4875 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4876 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4877 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4878 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4879 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4880 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4881 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4882 (perfect_nestify): Use new iterator.
4883 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4885 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4886 (next_imm_name): New field in struct immediate_use_iterator_d.
4887 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4888 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4889 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4890 * tree-cfg.c (replace_uses_by): Use new iterator.
4891 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4892 * tree-ssa-operands.c (correct_use_link): Remove.
4893 (finalize_ssa_use_ops): No longer call correct_use_link.
4895 2006-04-27 Stuart Hastings <stuart@apple.com>
4897 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4898 * config/t-darwin (crt3.o): Use it.
4899 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4900 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4901 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4902 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4903 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4906 2006-04-27 Roger Sayle <roger@eyesopen.com>
4908 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4909 size, force the intermediate into a new pseudo rather instead of
4910 performing both a bitwise AND and a bitwise IOR in memory.
4912 2006-04-27 Richard Guenther <rguenther@suse.de>
4914 PR rtl-optimization/26685
4915 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4916 this one "max-flow-memory-locations".
4918 2006-04-27 Richard Guenther <rguenther@suse.de>
4920 PR tree-optimization/25148
4921 * tree-vrp.c (compare_values): Remove code dealing with
4922 comparisons against type min/max value. Honour overflow
4923 and negative constants in code dealing with comparisons
4924 of plus and minus expressions.
4925 (value_inside_range): Use fold_binary with LE_EXPR and
4926 GE_EXPR rather than compare_values.
4928 2006-04-27 Dirk Mueller <dmueller@suse.de>
4930 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4933 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4935 * basic-block.h (safe_insert_insn_on_edge): Removed.
4936 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4938 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4939 Paolo Bonzini <bonzini@gnu.org>
4942 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4943 (simplify_and_const_int): Same.
4945 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4947 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4949 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4952 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4953 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4954 cgraph_global_info_ready.
4957 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4960 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4961 either decl or init is error_mark_node.
4964 * tree-flow.h (struct omp_region): Add sched_kind.
4965 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4966 instead of extracting omp for data.
4967 (expand_omp_for): Save extracted sched_kind.
4969 2006-04-25 Roger Sayle <roger@eyesopen.com>
4971 * expmed.c (store_bit_field): Also check whether the bitsize is
4972 valid for the machine's "insv" instruction before moving the
4973 target into a pseudo for use with the insv.
4974 * config/i386/predicates.md (const8_operand): New predicate.
4975 * config/i386/i386.md (extv, extzv, insv): Use the new
4976 const8_operand predicate where appropriate.
4978 2006-04-25 DJ Delorie <dj@redhat.com>
4980 * doc/install.texi (Specific): Clarify that this is not a list of
4981 supported hosts or targets.
4983 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4985 PR rtl-optimization/26725
4986 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4987 block's BB_DIRTY flag.
4989 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4991 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4994 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4995 to print an integer.
4997 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4999 * varasm.c (align_variable): New function.
5000 (get_block_for_decl): Apply align_variable to DECL before
5001 calculating section information.
5002 (assemble_variable): Split out alignment computation.
5004 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5006 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5009 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5011 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5012 MODE_PARTIAL_INT mode.
5013 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5014 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5016 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5017 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5019 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5021 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5023 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5024 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5025 MACFLAG_IH): Likewise.
5026 (movstricthi_1): Renamed from "*movstricthi".
5027 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5028 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5029 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5030 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5031 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5032 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5033 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5034 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5035 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5036 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5037 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5038 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5039 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5040 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5041 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5043 * doc/rtl.texi (ss_ashift): Improve wording.
5045 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5047 * dwarf2out.c (verify_marks_clear): New.
5048 (prune_unused_types): Call verify_marks_clear initially, not
5051 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5053 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5054 * doc/rtl.texi: Document them.
5055 * simplify-rtx.c (simplify_unary_operation,
5056 simplify_binary_operation_1): Don't abort when we see them.
5058 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5061 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5062 * configure.ac: Completely disregard languages that are not
5064 * configure: Regenerated.
5066 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5067 Richard Guenther <rguenther@suse.de>
5069 PR tree-optimization/27236
5070 * tree-inline.c (copy_body_r): Make sure to copy
5071 TREE_THIS_VOLATILE flag.
5073 2006-04-24 Richard Guenther <rguenther@suse.de>
5076 * tree-complex.c (update_parameter_components): Don't handle
5077 unused parameters which have no default def.
5079 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5080 Richard Guenther <rguenther@suse.de>
5082 PR tree-optimization/27218
5083 * tree-inline.c (expand_call_inline): Strip useless type
5084 conversions for the return slot address.
5086 2006-04-24 Richard Guenther <rguenther@suse.de>
5088 * cfgloop.h (struct loops): Remove unused field array. Reorder
5090 (LOOP_PREFETCH): Remove.
5092 2006-04-24 Richard Guenther <rguenther@suse.de>
5094 PR tree-optimization/22525
5095 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5096 variable, adjust types of generated expressions.
5098 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5100 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5101 (tree-vect-patterns.o): Likewise.
5103 (cselib.o): Likewise.
5104 (loop-doloop.o): Likewise.
5105 (regclass.o): Likewise.
5106 (reload1.o): Likewise.
5107 (explow.o): Replace target.h with $(TARGET_H).
5108 (ipa-prop.o): Likewise.
5109 (ipa-cp.o): Likewise.
5110 (ipa-inline.o): Likewise.
5111 (reorg.o): Likewise.
5112 (reg-stack.o): Likewise.
5114 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5116 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5118 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5120 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5122 * configure.ac: Completely disregard languages that are not
5124 * configure: Regenerated.
5127 * c-common.h (c_build_bitfield_integer_type): Declare.
5128 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5129 * c-common.c (c_build_bitfield_integer_type): ... here.
5131 2006-04-23 Roger Sayle <roger@eyesopen.com>
5134 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5135 a SImode SUBREG of a floating point register after no_new_pseudos.
5137 2006-04-23 Roger Sayle <roger@eyesopen.com>
5139 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5140 identify potentially eliminable registers to additionally catch
5141 VIRTUAL_INCOMING_ARGS_REGNUM.
5142 (addsi3): Update the conditions on when to use addsi_small_int.
5144 2006-04-23 Roger Sayle <roger@eyesopen.com>
5147 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5148 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5149 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5151 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5153 * fold-const.c (range_predecessor): Use operand_equal_p
5154 as the predicate for equality.
5155 (range_successor): Likewise.
5157 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5160 * config/soft-fp/op-common.h: Fix a typo.
5162 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5165 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5166 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5168 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5170 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5172 * doc/tm.texi: Fix a typo.
5174 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5176 * dwarf2out.c (struct die_struct): Document that die_sib makes
5177 a circular linked list.
5178 (FOR_EACH_CHILD): New.
5179 (reverse_die_lists): Delete.
5180 (reverse_all_dies): Delete.
5181 (add_dwarf_attr): Correct documentation.
5182 (remove_child_with_prev): New.
5183 (remove_child_TAG): Update for change to die_struct, use
5184 remove_child_with_prev.
5185 (add_child_die): Update for change to die_struct.
5186 (splice_child_die): Use remove_child_with_prev and add_child_die.
5187 (print_die): Use FOR_EACH_CHILD.
5188 (die_checksum): Likewise.
5189 (assign_symbol_names): Likewise.
5190 (output_location_lists): Likewise.
5191 (build_abbrev_table): Likewise.
5192 (calc_die_sizes): Likewise.
5193 (mark_dies): Likewise.
5194 (unmark_dies): Likewise.
5195 (unmark_all_dies): Likewise.
5196 (output_die): Likewise.
5197 (prune_unused_types_mark): Likewise.
5198 (prune_unused_types_walk): Likewise.
5199 (same_die_p): Update for change to die_struct.
5200 (break_out_includes): Likewise.
5201 (prune_unused_types_prune): Likewise.
5202 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5203 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5205 (dwarf2out_finish): Don't call reverse_all_dies.
5207 2006-04-21 Eric Christopher <echristo@apple.com>
5209 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5210 in comments and function names.
5212 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5215 * c-typeck.c (digest_init): Robustify.
5217 * c-typeck.c (pop_init_level): Simplify.
5219 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5221 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5223 2006-04-21 Paul Brook <paul@codesourcery.com>
5225 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5226 hardware floating point.
5228 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5230 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5233 2006-04-21 Nick Clifton <nickc@redhat.com>
5235 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5238 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5241 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5242 C++ lang type in traceback table for Objective-C++.
5244 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5246 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5248 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5250 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5253 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5254 were errors. Remove check for erroneous objects.
5256 2006-04-20 Jeff Law <law@redhat.com>
5258 PR tree-optimization/26854
5259 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5260 checking for zero or one use.
5261 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5262 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5263 * tree-ssa-reassoc.c (negate_value): Similarly.
5264 (reassociate_bb): Similarly.
5266 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5268 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5269 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5270 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5272 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5274 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5275 fp regs if the last fp arg doesn't fit in regs.
5277 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5280 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5281 that the last insn has the REG_INC note.
5283 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5284 Nathan Sidwell <nathan@codesourcery.com>
5287 * stor-layout.c (update_alignment_for_field): Do not align
5289 (place_union_field): Place union field at the start of the union.
5290 (place_field): Move ERROR_MARK check later, and use the current
5291 allocation position to maintain monotonicity.
5293 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5295 * dominance.c: Include timevar.h.
5296 (calculate_dominance_info): Use TV_DOMINANCE.
5297 * timevar.def (TV_DOMINANCE): New timevar.
5298 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5300 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5302 PR rtl-optimization/14261
5303 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5304 move would be an INSV insn.
5305 (noce_process_if_block): Don't optimize if the destination is a
5306 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5308 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5310 * config/s390/s390.md: Add comments with the instructions emitted
5311 by an insn pattern if macros are used.
5313 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5315 PR rtl-optimization/26026
5316 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5317 is a known power of two shifted left a variable amount.
5319 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5321 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5322 to hash table twice when the debug_str section has SECTION_MERGE.
5324 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5326 * config/soft-fp: New directory. From glibc.
5327 * config/soft-fp/t-softfp: New.
5328 * config/soft-fp/README: New.
5329 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5330 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5331 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5332 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5333 * config.gcc: Use rs6000/t-fprules-fpbit or
5334 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5336 * config/rs6000/sfp-machine.h: New. Based on glibc.
5337 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5339 * config/rs6000/t-fprules: Remove fp-bit rules.
5340 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5341 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5342 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5343 (softfp_wrap_start, softfp_wrap_end): New.
5345 2006-04-18 DJ Delorie <dj@redhat.com>
5347 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5349 2006-04-18 Devang Patel <dpatel@apple.com>
5351 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5353 2006-04-18 Nick Clifton <nickc@redhat.com>
5355 * config/sh/t-symbian: Add rule to build sh-c.o
5356 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5357 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5358 (sh_symbian_encode_section_info): Likewise.
5360 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5362 * builtins.c (expand_builtin_strcmp): Cover label definition of
5363 do_libcall with HAVE_cmpstrnsi.
5365 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5367 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5369 * function.h (temp_slot_p): New.
5370 (function): Change the type of x_used_temp_slots to
5371 VEC(temp_slot_p,gc) *.
5373 2006-04-18 Nick Clifton <nickc@redhat.com>
5375 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5376 flag_strength_reduce.
5378 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5380 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5384 Partial revert of revision 112637
5385 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5386 Dale Johannesen <dalej@apple.com>
5389 * regclass.c (struct reg_pref): Update documentation.
5390 (regclass): Set prefclass to NO_REGS if memory is the best option.
5391 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5393 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5395 PR tree-optimization/26821
5396 * tree-ssa-math-opts.c (get_constant_one): New.
5397 (insert_reciprocals): Use it.
5399 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5401 * dwarf2out.c (free_AT): Delete.
5402 (remove_AT): Update string ref counts.
5403 (remove_child_TAG): Don't call free_die.
5405 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5406 or DW_TAG_GNU_EINCL.
5407 (prune_unused_types_walk_attribs): Reset string refcounts.
5408 (prune_unused_types_update_strings): New.
5409 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5410 call free_die. Do call prune_unused_types_update_strings.
5411 (prune_unused_types): Empty debug_str_hash.
5413 2006-04-17 Roger Sayle <roger@eyesopen.com>
5415 * expr.c (expand_assignment): Optimize away no-op moves where the
5416 source and destination are equal and have no side-effects.
5418 2006-04-17 Richard Guenther <rguenther@suse.de>
5421 * reload.c (push_reload): Guard calls to get_secondary_mem
5424 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5426 * alias.c (reg_base_value, old_reg_base_value): Change the
5427 type to VEC(rtx,gc) *.
5428 (REG_BASE_VALUE, find_base_value, record_set,
5429 init_alias_analysis): Use VEC instead of VARRAY.
5431 * alias.c (alias_sets): Change the type to
5432 VEC(alias_set_entry,gc) *.
5433 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5434 VEC instead of VARRAY.
5435 (last_alias_set): Remove.
5437 * cgraph.h (cgraph_edge_p): New.
5438 Update the prototype of cgraph_function_versioning.
5439 * cgraphunit.c (cgraph_copy_node_for_versioning,
5440 cgraph_function_versioning): Use VEC instead of VARRAY.
5441 * ipa-cp.c (ipcp_insert_stage): Likewise.
5443 2006-04-16 Roger Sayle <roger@eyesopen.com>
5446 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5447 "A op B" or "A op C", we may need to convert A to the type of B and C.
5449 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5451 * target.h (struct gcc_target): Add mode_rep_extended.
5452 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5453 (init_num_sign_bit_copies_in_rep): Initialize it using
5455 (truncate_to_mode): Use it.
5456 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5457 * targhooks.h (default_mode_rep_extended): Declare it.
5458 * targhooks.c (default_mode_rep_extended): Define it.
5459 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5460 default_mode_rep_extended.
5461 (TARGET_INITIALIZER): Include it.
5462 * doc/tm.texi (Misc): Document it.
5463 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5464 (mips_truncated_to_mode): New function.
5466 2006-04-16 Roger Sayle <roger@eyesopen.com>
5469 * expr.c (compress_float_constant): Copy the narrow constant into
5470 a new pseudo before extending it to its final width.
5472 2006-04-16 Roger Sayle <roger@eyesopen.com>
5473 Andrew Pinski <pinskia@gcc.gnu.org>
5474 Dale Johannesen <dalej@apple.com>
5477 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5478 special case code to implement V8HImode and V16QImode with SSE2.
5480 2006-04-15 Roger Sayle <roger@eyesopen.com>
5482 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5483 trees are constructed with a suitable tree type.
5485 2006-04-15 Roger Sayle <roger@eyesopen.com>
5487 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5488 (integer_onep): Likewise.
5489 (integer_all_onesp): Likewise.
5490 (integer_pow2p): Likewise.
5491 (integer_nonzerop): Likewise.
5492 (real_zerop): Likewise.
5493 (real_onep): Likewise.
5494 (real_twop): Likewise.
5495 (real_minus_onep): Likewise.
5496 (int_size_in_bytes): Likewise.
5497 (host_integerp): Likewise.
5499 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5501 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5502 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5503 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5505 * tree-ssa-structalias.h (alias_info): Remove num_references.
5507 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5509 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5510 (output_bvb patterns): Likewise.
5511 * pa.c (output_bb): Use 'bb' insn for long branch case.
5512 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5513 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5514 1. Correct length operand for alternatives 1 and 2.
5515 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5516 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5518 2006-04-14 Roger Sayle <roger@eyesopen.com>
5520 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5521 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5522 were accidentally reverted by r112959.
5524 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5527 * except.h (eh_region_outermost): New prototype.
5528 * except.c (eh_region_outermost): New function.
5529 * tree-cfg.c (find_outermost_region_in_block): Use it.
5531 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5533 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5535 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5536 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5537 (init_reload, reload): Use VEC instead of VARRAY.
5538 * reload.h: Update the prototype for
5539 reg_equiv_memory_loc_varray.
5541 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5542 Eric Botcazou <ebotcazou@libertysurf.fr>
5544 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5547 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5550 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5551 to expand fallback builtin function call.
5553 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5556 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5557 and emit libcall here in case the builtin fails.
5558 (expand_builtin_strcmp): Always emit the libcall here on failure.
5560 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5562 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5563 * flow.c (reg_n_info): Change the type to
5564 VEC(reg_info_p,heap) *.
5565 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5567 * regs.h (reg_info_p): New.
5568 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5569 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5570 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5573 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5575 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5577 * params.h (MAX_SCHED_READY_INSNS): New macro.
5578 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5579 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5580 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5581 the ready list for 1 cycle during the first scheduling pass.
5582 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5584 2006-04-13 Richard Henderson <rth@redhat.com>
5587 * gimple-low.c (lower_omp_directive): Remove dead code.
5588 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5589 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5590 * omp-low.c (struct omp_region): Move to tree-flow.h.
5591 (root_omp_region): Export.
5592 (omp_regions, lookup_omp_region): Remove.
5593 (determine_parallel_type): Update for struct omp_region changes.
5594 (dump_omp_region): Dump regions with block numbers.
5595 (new_omp_region): Take type and block instead of stmt; malloc
5597 (free_omp_region_1, free_omp_regions): New.
5598 (expand_parallel_call): Take entry_stmt as argument; update for
5599 changes to omp_region.
5600 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5601 (remove_exit_barriers): New.
5602 (expand_omp_parallel): Update for struct omp_region changes.
5603 (expand_omp_synch): Likewise.
5604 (expand_omp): Likewise.
5605 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5606 (expand_omp_for_static_chunk): Likewise.
5607 (expand_omp_for): Likewise.
5608 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5609 (expand_omp_sections): Similarly, with GOMP_sections_end.
5610 (expand_omp_single): New.
5611 (build_omp_regions_1): Update for OMP_CONTINUE.
5612 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5613 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5614 OMP_SECTIONS_SECTIONS.
5615 (lower_omp_single_simple): Don't emit barrier here.
5616 (lower_omp_single_copy): Likewise.
5617 (lower_omp_single): Fix bindings, and lower to straightline now.
5618 (lower_omp_master, lower_omp_ordered): Likewise.
5619 (lower_omp_critical): Likewise.
5620 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5621 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5622 omp edges, free it afterward.
5623 (make_omp_sections_edges): Remove.
5624 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5625 (move_stmt_r): Handle OMP_CONTINUE.
5626 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5627 statement pointers to basic blocks. Add type member.
5628 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5629 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5630 * tree-inline.c (estimate_num_insns_1): Likewise.
5631 * tree-pretty-print.c (dump_generic_node): Likewise.
5632 * tree-ssa-operands.c (get_expr_operands): Likewise.
5633 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5634 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5635 (OMP_CONTINUE): New.
5636 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5637 (OMP_SECTIONS_SECTIONS): Remove.
5638 (OMP_SECTION_LAST): New.
5639 (OMP_RETURN_NOWAIT): New.
5641 2006-04-13 Roger Sayle <roger@eyesopen.com>
5643 * fold-const.c (native_encode_vector, native_interpret_real):
5644 Correct obvious mistakes in the previous check-in.
5646 2006-04-13 Roger Sayle <roger@eyesopen.com>
5648 * fold-const.c (native_encode_expr): New function to encode
5649 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5650 or VECTOR_CST into a specified buffer.
5651 (native_encode_int): New function.
5652 (native_encode_real): New function.
5653 (native_encode_complex): New function.
5654 (native_encode_vector): New function.
5655 (native_interpret_expr): Inverse of native_encode_expr to convert
5656 a target representation into an INTEGER_CST, REAL_CST etc...
5657 (native_interpret_int): New function.
5658 (native_interpret_real): New function.
5659 (native_interpret_complex): New function.
5660 (native_interpret_vector): New function.
5661 (fold_view_convert_expr): New function to constant fold/evaluate
5662 a VIEW_CONVERT_EXPR of a suitable constant expression.
5663 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5664 Change call of build1 to fold_build1 when constructing a
5667 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5668 Ulrich Weigand <uweigand@de.ibm.com>
5671 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5674 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5677 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5678 optimize to lo_sum for DFmode if !TARGET_FPRS.
5680 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5682 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5683 delete_alias_info, compute_flow_sensitive_aliasing,
5684 group_aliases): Use VEC instead of VARRAY.
5685 * tree-ssa-structalias.c (update_alias_info): Likewise.
5686 * tree-ssa-structalias.h (alias_info): Change the type of
5687 processed_ptrs to VEC(tree,heap) *.
5689 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5692 * config/sh/lib1funcs.h: New file, broken out of:
5693 * config/sh/lib1funcs.asm.
5694 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5696 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5697 * config/sh/lib1funcs-Os-4-200.asm: New file.
5698 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5699 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5700 (EXTRA_MULTILIB_PARTS): Include it.
5701 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5702 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5703 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5704 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5707 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5709 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5710 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5711 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5713 * tree-ssa-live.h: Include vecprim.h.
5714 (tree_partition_associator_d): Change the type of
5715 first_partition to VEC(int,heap) *.
5716 (tpa_first_partition): Use VEC instead of VARRAY.
5718 * Makefile.in (GTFILES): Move functions.h after tree.h.
5719 * function.c (reset_block_changes, record_block_change,
5720 check_block_change, free_block_changes): Use VEC instead of
5722 * function.h (function): Change the type of
5723 ib_boundaries_block to VEC(tree,gc) *.
5724 * tree-inline.c (copy_cfg_body): Initialize
5725 ib_boundaries_block to NULL instead of (varray_type) 0.
5727 2006-04-12 Roger Sayle <roger@eyesopen.com>
5729 * expr.c (emit_group_store): Correct operand order in call to
5730 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5731 a SUBREG_BYTE of zero.
5733 2006-04-12 Richard Guenther <rguenther@suse.de>
5735 * profile.c (compute_branch_probabilities): Remove code
5736 encapsulated in !ir_type (), which are remanents of the
5737 removed RTL profiling code.
5738 * rtl-profile.c: Remove.
5740 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5742 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5743 magic NULL_RTX comment.
5744 (function_arg): Store entire fp arg to mem if any part should go
5746 (rs6000_arg_partial_bytes): Adjust for above change.
5748 2006-04-11 Roger Sayle <roger@eyesopen.com>
5750 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5751 if it hasn't been initialized by dwarf2out_init.
5753 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5755 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5756 symbolic constants in branch patterns.
5758 2006-04-11 Roger Sayle <roger@eyesopen.com>
5760 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5762 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5764 PR rtl-optimization/27073
5765 * gcse.c (try_replace_reg): Revert last change. Continue to search
5766 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5769 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5771 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5772 aggregate types other than record and union types.
5773 (function_arg): Likewise.
5774 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5776 (function_value): In 64-bit mode, return objects that require it
5779 2006-04-11 Roger Sayle <roger@eyesopen.com>
5781 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5783 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5785 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5787 2006-04-03 Jeff Law <law@redhat.com>
5790 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5791 alias information too.
5793 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5795 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5797 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5800 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5801 (premark_used_types_helper): New.
5802 (premark_used_types): New.
5803 (gen_subprogram_die): Call premark_used_types.
5804 (prune_unused_types_walk): Do not prune perennial dies.
5805 * function.c (used_types_insert): New.
5806 * function.h (struct function): Add used_types_hash field.
5807 (used_types_insert): Add prototype.
5808 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5809 * c-parser.c (c_parser_cast_expression): Save casted types in used
5812 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5815 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5816 rs6000_explicit_options.float_gprs.
5818 2006-04-10 Roger Sayle <roger@eyesopen.com>
5820 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5821 from ix86_expand_vector_init_low_nonzero. Take an additional
5822 one_var argument indicating which element is non-zero. Support
5823 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5824 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5825 with one_var instead of ix86_expand_vector_init_low_nonzero.
5827 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5829 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5830 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5831 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5832 build/genextract.o): Depend on vecprim.h.
5833 * cfglayout.c, df-problems.c, function.c, genextract.c,
5834 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5835 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5839 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5841 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5842 Declare VECs of this type.
5843 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5844 (remove_children): Delete.
5845 (add_dwarf_attr): Use VEC routines.
5846 (add_AT_flag): Update for changes to add_dwarf_attr.
5847 (add_AT_int): Likewise.
5848 (add_AT_unsigned): Likewise.
5849 (add_AT_long_long): Likewise.
5850 (add_AT_vec): Likewise.
5851 (add_AT_string): Likewise.
5852 (add_AT_die_ref): Likewise.
5853 (add_AT_fde_ref): Likewise.
5854 (add_AT_loc): Likewise.
5855 (add_AT_loc_list): Likewise.
5856 (add_AT_addr): Likewise.
5857 (add_AT_lbl_id): Likewise.
5858 (add_AT_lineptr): Likewise.
5859 (add_AT_macptr): Likewise.
5860 (add_AT_offset): Likewise.
5861 (add_AT_range_list): Likewise.
5862 (get_AT): Use VEC_iterate.
5863 (remove_AT): Use VEC_ordered_remove.
5864 (free_die): Fold remove_children into here; have it use VEC_iterate.
5865 (print_die): Use VEC_iterate on attrs.
5866 (reverse_die_lists): Don't reverse attr lists.
5867 (die_checksum): Use VEC_iterate on attrs.
5868 (same_die_p): Likewise.
5869 (output_location_lists): Likewise.
5870 (build_abbrev_table): Likewise.
5871 (size_of_die): Likewise.
5872 (unmark_all_dies): Likewise.
5873 (output_abbrev_section): Likewise.
5874 (output_die): Likewise.
5875 (prune_unused_types_walk_attribs): Likewise.
5877 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5879 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5881 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5884 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5886 2006-04-09 Roger Sayle <roger@eyesopen.com>
5888 * expr.c (store_constructor): Don't bother clearing target if
5889 we're about to assign a vector to it using vec_init_optab.
5891 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5893 * tree-ssa-alias.c (lhs_may_store_to): New function.
5894 (recalculate_used_alone): Handle LHS of calls.
5896 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5900 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5901 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5902 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5903 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5904 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5905 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5906 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5907 stubs. Add ".align 8" directives before all ".dword" directives.
5908 (GTHREAD_USE_WEAK): Revise comment.
5909 (TARGET_ATTRIBUTE_WEAK): Define.
5910 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5911 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5912 * stublib.c: New file.
5917 * pa.md (cbranch patterns): Revise arguments used in calls to
5918 output_cbranch, output_bb and output_bvd. Add long branch length
5920 (fbranch patterns): Handle long branches.
5921 (jump): Revise length check. Revise arguments for output_lbranch call.
5922 Add long branch length attributes.
5923 (decrement_and_branch_until_zero): Add long branch length attributes.
5924 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5925 Likewise. Revise arguments for output_parallel_addb and
5926 output_parallel_movb calls.
5927 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5928 output_parallel_movb and output_parallel_addb): Update prototypes.
5929 * pa.c (output_cbranch): Revise arguments. Correct handling of
5930 nullification in long branches.
5931 (output_lbranch): Add new argument to control extraction of delay
5933 (output_bb): Handle long branches.
5934 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5935 output_parallel_addb): Likewise.
5937 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5939 PR rtl-optimization/27073
5940 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5943 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5945 * tree.h (tree_memory_tag): Add old_used_alone.
5946 (SMT_OLD_USED_ALONE): New macro.
5947 * tree-ssa-alias.c (recalculate_used_alone): Stop
5948 marking things for renaming unnecessarily.
5950 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5952 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5953 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5954 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5955 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5956 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5957 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5958 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5959 spelling convensions.
5960 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5961 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5962 typos. Follow spelling conventions.
5964 2006-04-07 DJ Delorie <dj@redhat.com>
5966 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5967 passed on the stack.
5968 (m32c_init_cumulative_args): When a function returns a structure,
5969 always pass the pointer to that return area on the stack.
5970 (m32c_function_arg_advance): Don't increment the parameter number
5971 if we're processing the returned structure pointer.
5972 (pushm_info): Reverse order of registers.
5974 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5976 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5977 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5978 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5979 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5981 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5982 chrec_fold_multiply): Same.
5983 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5984 force_expr_to_var_cost): Same.
5985 * tree-mudflap.c (mf_xform_derefs_1): Same.
5986 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5988 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5990 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5991 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5994 2006-04-07 Jan Hubicka <jh@suse.cz>
5996 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5998 2006-04-07 Richard Guenther <rguenther@suse.de>
6000 PR tree-optimization/26135
6001 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6002 loads for store copy-prop.
6003 (copy_prop_visit_stmt): Likewise.
6005 2006-04-05 Robert Millan <robertmh@gnu.org>
6007 * config/i386/linux.h: Add a comment to mark macros that are
6008 being overriden in config/k*bsd-gnu.h.
6009 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6011 * config/knetbsd-gnu.h: Ditto.
6013 2006-04-06 Jan Hubicka <jh@suse.cz>
6017 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6020 2006-04-06 Mike Stump <mrs@apple.com>
6022 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6023 for HAVE_nonlocal_goto to be consistent.
6024 (expand_builtin_nonlocal_goto): Likewise.
6025 (expand_builtin_strcmp): Use #ifdef instead of #if
6026 for HAVE_cmpstrnsi to be consistent.
6028 2006-04-05 DJ Delorie <dj@redhat.com>
6030 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6033 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6035 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6036 got-relative addressing for anything but SImode.
6038 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6039 even if the calling function doesn't modify them.
6041 2006-04-05 Richard Guenther <rguenther@suse.de>
6043 PR tree-optimization/26919
6044 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6045 to cgraph_estimate_size_after_inlining.
6047 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6049 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6051 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6053 PR tree-optimization/26996
6054 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6055 VECTOR_TYPE variables.
6057 2006-04-05 Richard Guenther <rguenther@suse.de>
6059 PR tree-optimization/26763
6060 * fold-const.c (fold_comparison): Move folding of
6061 PTR + CST CMP PTR + CST ...
6062 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6064 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6066 * doc/install.texi (Prerequisites): Refine some wording on
6067 bootstrapping and ksh.
6068 Move the version numbers of DejaGnu here from the testing section
6069 and fix casing of names.
6070 Fix markup and clarify wording for autogen requirements.
6071 Refer to GCJ instead of just java.
6072 Refer to SVN instead of CVS.
6073 Describe diffutils as useful instead of necessary.
6074 (Downloading the source): Refer to SVN instead of CVS.
6075 Adjust a link to our web site accordingly.
6076 (Configuration): Fix casing of Bison.
6077 (Building): Refer to SVN instead of CVS.
6078 Fix a sentence on the use of Bison and remove duplicate (and
6079 incorrect) version number of Bison requirement.
6080 Remove one redundant list of packages needed for building.
6081 (Specific): Avoid reference to CVS.
6083 2006-04-04 Eric Christopher <echristo@apple.com>
6085 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6086 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6087 (rs6000_handle_struct_attribute): New.
6088 (rs6000_ms_bitfield_layout_p): Ditto.
6090 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6092 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6093 NULL for dso parameter to atexit_common.
6095 2006-04-04 Eric Christopher <echristo@apple.com>
6097 * config/i386/i386.c (machopic_output_stub): Output \t
6098 between instructions and operands.
6100 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6102 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6103 satisfies_constraint_[IL] to explicit tests on value.
6105 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6107 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6108 set_nb_iterations_in_loop): Use build_int_cst instead of
6110 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6111 build_int_cst instead of convert.
6113 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6115 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6116 new value 2 for incoming.
6117 * function.c (expand_function_start): Call struct_value_rtx
6119 * config/sparc/sparc.md: Comment updated_return.
6120 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6121 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6122 struct return if sparc_std_struct_return and incoming is 2.
6123 (print_operand): Do not adjust return if
6124 sparc_std_struct_return.
6126 2006-04-04 Roger Sayle <roger@eyesopen.com>
6128 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6129 convert in the middle-end.
6130 * expr.c (store_expr, store_constructor, get_inner_reference,
6131 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6133 * tree.c (build_range_type): Likewise.
6135 2006-04-04 Tom Tromey <tromey@redhat.com>
6137 * doc/install.texi (Prerequisites): Mention jar.
6139 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6141 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6144 2006-04-04 Matthias Klose <doko@debian.org>
6146 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6147 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6150 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6152 * doc/extend.texi (Function Attributes): Rewrite visibility
6153 attribute documentation.
6154 * doc/invoke.texi (C++ Dialect Options): Rewrite
6155 -fvisibility-inlines-hidden documentation to describe something
6156 entirely different, although in practise compatible.
6157 (Code Gen Options): Warn about system headers in -fvisibility=
6160 * doc/extend.texi (Other Builtins): Document that
6161 __builtin_nan is a compile-time constant only when its argument
6164 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6166 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6167 trying to remove TRUNCATE check if all bits outside the new mode
6168 are identical to the sign bit.
6170 2006-04-03 Jeff Law <law@redhat.com>
6172 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6173 and operand scanning in some common cases.
6175 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6176 Dale Johannesen <dalej@apple.com>
6179 * regclass.c (struct reg_pref): Update documentation.
6180 (regclass): Set prefclass to NO_REGS if memory is the best option.
6181 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6182 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6183 into account. For non-registers, equate an empty preferred
6184 reload class to a `!' in the constraint; move the if clause to
6185 do so after those that reject the insn.
6186 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6188 (find_dummy_reload): Likewise.
6189 * doc/tm.texi (Register Classes): Document what it means
6190 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6191 * config/i386/i386.c (ix86_preferred_reload_class): Force
6192 using SSE registers (and return NO_REGS for floating-point
6193 constants) if math is done with SSE.
6194 (ix86_preferred_output_reload_class): New.
6195 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6196 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6197 * config/i386/i386.md: Remove # register preferences.
6199 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6202 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6203 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6204 the type of nb_iter.
6205 (instantiate_parameters_1): Convert the operands before calling
6206 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6207 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6209 2006-04-02 Roger Sayle <roger@eyesopen.com>
6211 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6212 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6214 * dojump.c (do_jump): Likewise.
6215 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6216 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6217 gimplify_boolean_expr): Likewise.
6218 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6219 * varasm.c (array_size_for_constructor): Likewise.
6220 * tree-object-size.c (compute_object_offset): Likewise.
6222 2006-04-02 Roger Sayle <roger@eyesopen.com>
6225 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6226 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6228 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6230 PR tree-optimization/26939
6231 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6233 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6235 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6236 at_stmt. Convert the type of operands before calling
6237 build_polynomial_chrec.
6238 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6240 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6241 (instantiate_parameters_1): Convert the type of operands before calling
6242 build_polynomial_chrec.
6243 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6244 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6245 reset_evolution_in_loop): Insert asserts to check the types of the
6247 (chrec_type): Moved...
6248 (eq_evolutions_p): Use operand_equal_p.
6249 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6250 the types of the operands.
6251 (chrec_type): ...here.
6252 * tree-data-ref.c (create_data_ref): Convert the operands before
6253 calling chrec_replace_initial_condition.
6254 (same_access_functions, analyze_subscript_affine_affine,
6255 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6256 (compute_subscript_distance, analyze_ziv_subscript,
6257 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6258 analyze_miv_subscript): Convert the operands before calling
6259 chrec_fold_minus or chrec_fold_plus.
6261 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6263 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6264 the dependence_relations vector.
6265 (compute_data_dependences_for_loop): Adjust call to
6266 compute_all_dependences.
6268 2006-04-01 Roger Sayle <roger@eyesopen.com>
6269 Richard Henderson <rth@redhat.com>
6271 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6272 gimple_boolify on the condition before calling gimplify_expr.
6274 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6276 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6277 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6278 the frame size. Update to use the new macros.
6279 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6280 * config/xtensa/ieee754-df.S: Likewise.
6282 2006-03-31 Richard Henderson <rth@redhat.com>
6284 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6285 (make_edges): ... here. Control fallthru creation with a local
6286 variable. Do not play with fake edges.
6287 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6288 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6291 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6293 * dwarf2.h (DW64_CIE_ID): Define.
6294 * dwarf2out.c (DWARF_CIE_ID): Define.
6295 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6296 length header. Use DWARF_CIE_ID.
6297 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6298 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6300 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6302 * config/sh/linux-atomic.asm: New file.
6303 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6305 2006-03-31 DJ Delorie <dj@redhat.com>
6307 * config/m32c/cond.md: Set condition flags properly throughout.
6308 * config/m32c/minmax.md: Likewise.
6309 * config/m32c/prologue.md: Likewise.
6310 * config/m32c/bitops.md: Likewise.
6311 * config/m32c/muldiv.md: Likewise.
6312 * config/m32c/mov.md: Likewise.
6313 * config/m32c/addsub.md: Likewise.
6314 * config/m32c/m32c.md: Likewise.
6315 * config/m32c/jump.md: Likewise.
6316 * config/m32c/shift.md: Likewise.
6318 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6319 conditionally output the pattern for this.
6320 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6321 (m32c_compare_redundant): New.
6322 (m32c_output_compare): New.
6323 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6325 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6326 dest, not src. Allow other 4-byte modes.
6328 2006-03-30 Denis Chertykov <denisc@overta.ru>
6330 * doc/md.texi: Refer to avr/constraints.md instead of
6333 2006-03-30 Roger Sayle <roger@eyesopen.com>
6335 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6336 signed vs. unsigned comparison failures on some hosts.
6338 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6341 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6342 change to FLOAT_REGS.
6344 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6345 (rs6000_override_options): Use it.
6346 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6347 only for -mabi=spe/no-spe and -mabi=altivec.
6349 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6351 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6354 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6356 * Makefile.in: Rename docdir to gcc_docdir.
6358 2006-03-30 Roger Sayle <roger@eyesopen.com>
6361 * expr.c (emit_group_store): Optimize group stores into a pseudo
6362 register by using a paradoxical subreg to initialize the destination
6363 if the first or last member of the group specifies a "low part".
6365 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6368 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6369 * target.h (struct gcc_target.speculate_insn): Change type of the
6370 second parameter to 'int'.
6371 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6372 the second operand of the DEPS_LIST.
6373 (copy_DEPS_LIST_list): Update reference to the second operand of the
6375 * rtl.h (alloc_DEPS_LIST): Update signature.
6376 * sched-int.h (ds_t): Change typedef to 'int'.
6377 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6379 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6381 * haifa-sched.c (try_ready): Change condition to restore
6382 non-speculative pattern of the instruction.
6383 (process_insn_depend_be_in_spec): Code to keep probability of the
6384 speculative dependence non-decreasing.
6386 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6388 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6389 (single_move_for_movmem): ... this. Also change all uses.
6390 (bfin_expand_strmov): Renamed to...
6391 (bfin_expand_movmem): ... this. Also change all uses.
6392 * config/bfin/bfin.md (movstrsi): Renamed to...
6393 (movstrsi): ...this.
6395 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6397 PR tree-optimization/26830
6399 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6400 (copy_prop_visit_stmt): Remove write-only variable ann.
6401 (init_copy_prop): Check variable loop depth here. Do not simulate
6402 memory-tag and virtual operand PHIs except for store copy prop.
6404 2006-03-30 Richard Guenther <rguenther@suse.de>
6406 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6407 variants with double arguments.
6409 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6411 * genpreds.c (write_tm_constrs_h): Delete variable p.
6412 * genconditions.c (write_header): Add tm-constrs.h to included
6414 * genpeep.c (main): Add toplev.h to included headers.
6415 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6416 (build/genpeep.o): Add toplev.h dependency.
6417 * config/rs6000/constraints.md: Add "W" constraint.
6419 2006-03-29 Roger Sayle <roger@eyesopen.com>
6421 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6422 sizes by correctly testing whether the size fits a host integer.
6423 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6424 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6425 SImode range for the default sizetype and bitsizetype.
6427 2006-03-29 Roger Sayle <roger@eyesopen.com>
6429 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6430 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6431 quickly if the argument is already of the correct type.
6432 Call fold_build1 instead of build1. Tidy up blank lines.
6434 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6436 * genemit.c (main): Add tm-constrs.h to included headers.
6437 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6438 * genpeep.c (main): Add tm-constrs.h to included headers.
6439 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6440 (write_tm_constrs_h): this and write complete file.
6441 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6442 (write_insn_preds_c): Add tm-constrs.h to included headers.
6443 (gen_constrs): New variable.
6444 (parse_option): Parse "-c".
6445 (main): Invoke write_tm_constrs_h.
6446 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6447 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6448 (object_out_file): Add tm-constrs.h dependency.
6449 (insn-emit.o): Same.
6450 (insn-output.o): Same.
6451 (insn-peep.o): Same.
6452 (insn-preds.o): Same.
6453 (insn-recog.o): Same.
6454 (tm-constsr.h): New target.
6455 (s-constrs-h): New target.
6457 * config/rs6000/constraints.md: New file.
6458 * config/rs6000/rs6000.c: Include tm-constrs.h.
6459 (num_insn_constant_wide): Convert to satisfies_constraint.
6460 (rs6000_rtx_costs): Convert to satisfies_constraint.
6461 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6462 (CONST_OK_FOR_LETTER_P): Delete.
6463 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6464 (EXTRA_CONSTRAINT): Delete.
6465 (EXTRA_MEMORY_CONSTRAINT): Delete.
6466 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6467 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6468 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6469 satisfies_constraint.
6471 * config/i386/i386.c: Include tm-constrs.h.
6473 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6475 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6476 * tree-data-ref.c (find_data_references_in_loop,
6477 compute_data_dependences_for_loop): Use pointers to VEC.
6478 (analyze_all_data_dependences): Adjust calls.
6479 * tree-data-ref.h (find_data_references_in_loop,
6480 compute_data_dependences_for_loop): Adjust declarations.
6481 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6482 compute_data_dependences_for_loop.
6484 2006-03-29 Paul Brook <paul@codesourcery.com>
6486 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6489 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6491 PR tree-optimization/26859
6492 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6494 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6495 for the step after fold_convert.
6497 2006-03-29 Paul Brook <paul@codesourcery.com>
6499 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6500 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6502 2006-03-29 Paul Brook <paul@codesourcery.com>
6505 * targhooks.c (default_narrow_bitfield): New fuction.
6506 * targhooks.h (default_narrow_bitfield): add prototype.
6507 * target.h (gcc_target): Add narrow_volatile_bitfield.
6508 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6509 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6510 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6511 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6513 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6515 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6517 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6518 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6519 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6520 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6521 (s390_function_arg_float): Allow SDmode and DDmode values to be
6522 passed in floating point registers.
6523 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6524 check with SCALAR_FLOAT_MODE_P.
6525 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6527 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6529 PR tree-optimization/25985
6530 * tree-ssa-loop-niter.c (number_of_iterations_le,
6531 number_of_iterations_ne): Make comments more precise.
6532 (number_of_iterations_cond): Add only_exit argument. Use the
6533 fact that signed variables do not overflow only when only_exit
6535 (loop_only_exit_p): New.
6536 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6537 number_of_iterations_cond.
6539 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6541 PR tree-optimization/26643
6542 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6545 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6547 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6548 (divsi3_i4_int): Likewise.
6550 2006-03-28 Roger Sayle <roger@eyesopen.com>
6552 * expr.c (emit_group_store): Only create a new pseudo reg if the
6553 quantity it needs to hold isn't already a suitable pseudo.
6555 2006-03-28 Jeff Law <law@redhat.com>
6557 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6558 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6560 2006-03-28 Roger Sayle <roger@eyesopen.com>
6562 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6563 the equivalent ~X & Y, and the symmetry related transformations.
6564 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6565 ~X & Y, and symmetry related transforms.
6567 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6569 Revert my 2006-03-27 patches.
6571 2006-03-28 Roger Sayle <roger@eyesopen.com>
6573 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6574 ~(T1)X, when T1 and T2 are integer types of the same precision
6575 and (T2)X isn't an extension.
6577 2006-03-28 Jeff Law <law@redhat.com>
6579 PR tree-optimization/26796
6580 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6581 need EH edge cleanups rather than purging them immediately.
6582 (eliminate_degenerate_phis): Handle queued EH cleanups.
6584 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6586 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6589 2006-03-27 Roger Sayle <roger@eyesopen.com>
6592 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6593 cast BIT_NOT_EXPR operand to the correct type.
6595 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6597 * tree-loop-linear.c: Don't include varray.h.
6598 (gather_interchange_stats, try_interchange_loops,
6599 linear_transform_loops): Use VEC instead of VARRAY.
6600 * lambda-mat.c: Don't include varray.h.
6601 * tree-chrec.c: Same.
6602 * lambda-trans.c: Same.
6603 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6604 VEC instead of VARRAY.
6605 * tree-vectorizer.h: Idem.
6606 * tree-data-ref.c (dump_data_references,
6607 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6608 initialize_data_dependence_relation, finalize_ddr_dependent,
6609 compute_all_dependences, find_data_references_in_loop,
6610 compute_data_dependences_for_loop, analyze_all_data_dependences,
6611 free_dependence_relation, free_dependence_relations,
6612 free_data_refs): Idem.
6613 * tree-data-ref.h (data_reference_p, subscript_p): New.
6614 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6615 VEC instead of VARRAY.
6616 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6617 (find_data_references_in_loop, compute_data_dependences_for_loop,
6618 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6619 dump_data_dependence_relations, free_dependence_relations,
6620 free_data_refs): Adjust declaration.
6621 (lambda_transform_legal_p): Move declaration here...
6622 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6623 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6624 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6625 vect_analyze_data_refs): Use VEC instead of VARRAY.
6626 * lambda.h (lambda_transform_legal_p): ...from here.
6627 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6628 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6629 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6630 tree-chrec.o): Don't depend on VARRAY_H.
6632 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6634 * rtl.def (Copyright): Update date.
6635 (DEPS_LIST): Change type of the second operand to 'int'.
6636 * target.h (Copyright): Update date.
6637 (struct gcc_target.speculate_insn): Change type of the second parameter
6639 * lists.c (Copyright): Update date.
6640 (alloc_DEPS_LIST): Change signature. Update reference to the second
6641 operand of the DEPS_LIST.
6642 (copy_DEPS_LIST_list): Update reference to the second operand of the
6644 * rtl.h (Copyright): Update date.
6645 (alloc_DEPS_LIST): Update signature.
6646 * sched-int.h (Copyright): Update date.
6647 (ds_t): Change typedef to 'int'.
6648 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6650 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6652 * haifa-sched.c (Copyright): Update date.
6653 (try_ready): Change condition to restore non-speculative pattern
6655 (process_insn_depend_be_in_spec): Code to keep probability of the
6656 speculative dependence non-decreasing.
6658 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6660 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6661 shut up the compiler.
6663 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6665 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6666 to use lib prefix for target.
6667 ($(T)libic_invalidate_array_4-200.a): Likewise.
6668 ($(T)libic_invalidate_array_4a.a): Likewise.
6670 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6671 J"orn Rennecke <joern.rennecke@st.com>
6673 * superh.opt: New file.
6674 * sh.c (boardtype, osruntime): Remove.
6675 * superh.h (SUBTARGET_OPTIONS): Remove.
6676 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6678 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6679 arguments with ^ and/or [].
6681 * config.gcc (sh-*-*): Add quoting to account for quirk of
6683 Replace == with = in enable_incomplete_targets test.
6685 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6686 with MASK_LITTLE_ENDIAN.
6688 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6689 * config/sh/sh.opt: Added to some comments.
6690 * config/sh/superh.h: Removed some chaff.
6692 * config/sh/sh.opt: Add m4-[1234]00* options.
6693 * config/sh/sh.c (sh_handle_option): Likewise.
6694 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6695 (ic_invalidate_array_4-100.o): New rule.
6696 ($(T)libic_invalidate_array_4-100.a): Likewise.
6697 (ic_invalidate_array_4-200.o): Likewise.
6698 ($(T)libic_invalidate_array_4-200.a): Likewise.
6699 (ic_invalidate_array_4a.o): Likewise.
6700 ($(T)libic_invalidate_array_4a.a): Likewise.
6701 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6702 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6704 * config/sh/crt1.asm: Merged in profiling code.
6705 * config/sh/superh.h (STARTFILE_SPEC): Override.
6706 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6707 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6708 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6710 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6711 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6712 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6714 * sh.opt (mpretend-cmove): New option.
6715 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6716 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6717 (movsicc): Add TARGET_PRETEND_CMOVE code.
6719 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6721 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6722 s390_class_max_nregs): New function prototypes.
6723 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6724 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6725 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6726 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6728 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6730 * dwarf2out.c (add_location_or_const_value_attribute): Call
6731 tree_add_const_value_attribute if nothing else works.
6732 (reference_to_unused): New.
6733 (rtl_for_decl_init): Use reference_to_unused to decide whether
6734 to output an initializer.
6736 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6739 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6740 peephole removing spe frob_di_df_2.
6742 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6744 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6745 (subscript_dependence_tester_1): Declared.
6746 (print_dir_vectors, print_dist_vectors): New.
6747 (debug_data_dependence_relation): New.
6748 (dump_data_dependence_relation): Print more details.
6749 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6750 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6751 (save_dist_v, save_dir_v, add_outer_distances,
6752 build_classic_dist_vector_1): New.
6753 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6754 Don't test for lambda_vector_lexico_pos.
6755 (same_access_functions, add_multivariate_self_dist,
6756 add_other_self_distances, dir_from_dist): New.
6757 (build_classic_dir_vector): Replace implementation almost identical to
6758 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6760 (subscript_dependence_tester_1): New.
6761 (subscript_dependence_tester): Handle the lexicographically negative
6762 distance vectors by recomputing the dependence relation.
6763 (compute_affine_dependence): Remove parameter loop_nest_depth.
6764 (compute_self_dependence): Don't call compute_subscript_distance.
6765 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6766 Add a parameter for the loop_nest.
6767 (find_loop_nest_1, find_loop_nest): New.
6768 (compute_data_dependences_for_loop): Compute the loop nest, and give
6769 up if the nest is not well formed.
6770 * tree-data-ref.h (loop_p): New.
6771 (struct data_dependence_relation): Replace size_vect field with
6772 loop_nest, a vec of loops.
6773 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6774 (DDR_LOOP_NEST): New.
6775 (print_dir_vectors, print_dist_vectors,
6776 debug_data_dependence_relation): Declared.
6777 (index_in_loop_nest): New.
6778 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6779 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6782 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6784 * simplify-rtx.c (simplify_relational_operation): Call
6785 simplify_relational_operation_1 even if mode is VOIDmode.
6787 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6789 PR tree-optimization/26804
6790 * tree.h (DECL_CALL_CLOBBERED): New macro.
6791 (tree_decl_common): Add call_clobbered_flag.
6792 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6793 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6794 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6795 (mark_non_addressable): Ditto.
6796 * tree-ssa.c (verify_call_clobbered): New function.
6797 (verify_alias_info): Use it.
6798 * tree-pass.h (pass_reset_cc_flags): New prototype.
6799 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6800 (reset_cc_flags): New function.
6801 * passes.c (init_optimization_passes): Call reset_cc_flags after
6802 initializing referenced_vars.
6804 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6805 Roger Sayle <roger@eyesopen.com>
6808 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6809 to 1.0 for non-real operands. Implement A / A optimization for
6812 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6814 * config/i386/i386.c (size_cost): Correct the comment for
6815 cost of storing fp registers.
6816 (i386_cost): Likewise.
6817 (i486_cost): Likewise.
6818 (pentium_cost): Likewise.
6819 (pentiumpro_cost): Likewise.
6820 (k6_cost): Likewise.
6821 (athlon_cost): Likewise.
6822 (k8_cost): Likewise.
6823 (pentium4_cost): Likewise.
6824 (nocona_cost): Likewise.
6825 (generic64_cost): Likewise.
6826 (generic32_cost): Likewise.
6828 2006-03-24 Denis Chertykov <denisc@overta.ru>
6830 * config/avr/avr-protos.h (extra_constraint): Delete.
6831 (extra_constraint_Q): New declaration.
6832 * config/avr/constraints.md: New file.
6833 * config/avr/avr.md: Include it.
6834 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6835 (TMP_REGNO, ZERO_REGNO): Likewise.
6836 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6837 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6838 (extra_constraint): Delete.
6839 (extra_constraint_Q): Test for memory constraint 'Q'.
6840 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6841 (REG_CLASS_FROM_LETTER): Delete.
6842 (CONST_OK_FOR_LETTER_P): Delete.
6843 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6844 (EXTRA_CONSTRAINT): Delete.
6845 (TMP_REGNO): Delete.
6846 (ZERO_REGNO): Delete.
6848 2006-03-24 Jeff Law <law@redhat.com>
6850 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6851 directly. Call mark_new_vars_to_rename slightly earlier.
6853 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6855 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6857 (gen_compile_unit_die): Use new language types for Objective-C and
6859 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6860 DW_LANG_C_plus_plus.
6863 * config/t-darwin (crt3.o): Work around bug 26840.
6864 * config/darwin-crt3.c: Rewrite.
6865 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6867 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6869 * doc/invoke.texi: Document -femit-class-debug-always
6870 * common.opt: Add -femit-class-debug-always.
6872 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6874 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6875 index and base register.
6876 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6877 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6878 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6879 REGNO_OK_FOR_INDEX_P.
6880 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6882 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6883 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6884 REG_OK_FOR_BASE_P): Definitions removed.
6886 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6889 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6890 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6891 set yet or weren't marked as local yet.
6893 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6895 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6898 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6900 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6901 (rs6000_legitimate_small_data_p): Delete.
6902 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6903 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6904 and make static. Add forward declaration. Update uses.
6905 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6906 of offsettable_memref_p.
6907 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6908 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6910 2006-03-24 Jeff Law <law@redhat.com>
6912 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6913 around bug in immediate-use iterator.
6915 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6918 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6919 or __LITTLE_ENDIAN__.
6921 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6923 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6924 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6925 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6926 * config/sh/sh.opt (mdiv=): Amend description.
6927 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6928 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6929 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6930 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6931 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6932 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6933 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6934 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6935 TARGET_DIVIDE_CALL_FP.
6937 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6939 * haifa-sched.c (choose_ready): Fix type of the local variable.
6940 Move local variables. Add comment.
6941 (check_reg_live): Change signature. Make callable from debugger.
6942 * sched-int.h (check_reg_live): Update signature.
6943 * sched-ebb.c (check_reg_live): Update parameters.
6944 * sched-rgn.c (check_reg_live): Ditto.
6945 (region_head_or_leaf_p): Check pointer before dereferencing.
6946 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6947 before reload on optimization levels below 1.
6949 2006-03-23 Richard Henderson <rth@redhat.com>
6951 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6955 * config/alpha/predicates.md (local_symbolic_operand): Reject
6958 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6961 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6962 expressions which have overflowed constants.
6964 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6966 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6968 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6970 * cfgloopmanip.c (create_loop_notes): Removed.
6971 * final.c (final_scan_insn): Do not handle loop notes.
6972 * jump.c (squeeze_notes): Ditto.
6973 * cfglayout.c (skip_insns_after_block,
6974 duplicate_insn_chain): Ditto.
6975 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6977 * cfgloop.h (create_loop_notes): Declaration removed.
6979 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6981 * varasm.c (output_constant_pool): Restore fnname and fndecl
6983 (assemble_start_function): Adjust call accordingly.
6984 (assemble_end_function): Likewise.
6986 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6989 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6992 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6994 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6997 * system.h (ICE_EXIT_CODE): New macro.
6998 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6999 (diagnostic_action_after_output): Likewise.
7000 * gcc.c (fatal_ice): New function.
7001 (execute): Use it instead of fatal.
7002 (fancy_abort): Likewise.
7003 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7005 2006-03-22 Jeff Law <law@redhat.com>
7007 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7008 iv_analyze_result returning false.
7010 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7012 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7014 2006-03-22 Richard Henderson <rth@redhat.com>
7017 * except.c (duplicate_eh_regions_0): New.
7018 (duplicate_eh_region_1): Duplicate the children of the node as
7019 well as the node itself. Link them up properly.
7020 (duplicate_eh_region_2): Merge into ...
7021 (duplicate_eh_regions): ... here. Take copy_region argument, and
7022 copy only a sub-tree if asked. Simplify copying and fixup.
7023 (eh_region_outer_p): New.
7024 * except.h (duplicate_eh_regions): Update decl.
7025 (eh_region_outer_p): Declare.
7026 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7027 (lower_omp_master): Likewise.
7028 (lower_omp_ordered): Likewise.
7029 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7030 (move_stmt_r): Use it to remap labels. Handle recursion vs
7031 remap_decls_p properly.
7032 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7033 (find_outermost_region_in_block): New.
7034 (new_label_mapper): New.
7035 (move_sese_region_to_fn): Copy eh information to the new function
7037 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7039 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7042 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7044 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7045 into shared libraries.
7047 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7049 * doc/md.texi: Refer to i386/constraints.md instead of
7051 * config/i386/constraints.md: New file, extracted from...
7052 * config/i386/predicates.md: ...here.
7053 * config/i386/i386.md: Include constraints.md.
7055 2006-03-21 Jason Merrill <jason@redhat.com>
7057 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7060 * expr.c (init_block_move_fn): Force default visibility.
7061 (init_block_clear_fn): Likewise.
7062 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7063 * targhooks.c (default_external_stack_protect_fail): Likewise.
7065 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7067 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7068 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7069 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7070 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7071 (loadgp): Use mips_current_loadgp_style.
7072 (loadgp_noshared): New pattern.
7073 (sibcall_internal): Use MIPS_CALL.
7074 (sibcall_value_internal): Likewise.
7075 (sibcall_value_multiple_internal): Likewise.
7076 (call_internal): Likewise.
7077 (call_value_internal): Likewise.
7078 (call_value_multiple_internal): Likewise.
7079 (call_split): Use MIPS_CALL and add an 'S' constraint.
7080 (call_value_split): Likewise.
7081 (call_value_multiple_split): Likewise.
7082 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7083 (-mshared): New option.
7084 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7085 (mips_current_loadgp_style): Declare.
7086 * config/mips/mips.c (mips_classify_symbol): Avoid using
7087 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7088 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7089 TARGET_ABSOLUTE_ABICALLS.
7090 (override_options): Adjust comments. Improve the warning that is
7091 issued when -mabicalls and -G are used together.
7092 (mips_file_start): Remove comment.
7093 (mips_current_loadgp_style): New function.
7094 (mips_gnu_local_gp): New variable.
7095 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7097 (mips_output_function_prologue): Use mips_current_laodgp_style.
7098 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7099 the cprestore instruction.
7100 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7101 live for TARGET_ABSOLUTE_ABICALLS.
7102 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7103 (ASM_SPEC): Pass down -mshared and -mno-shared.
7104 (MIPS_CALL): New macro.
7105 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7107 * doc/invoke.texi (-mabicalls): Update documentation.
7108 (-mshared): Document.
7110 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7112 * config/ia64/unwind-hpux.c: New file.
7113 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7115 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7118 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7120 2006-03-21 Jeff Law <law@redhat.com>
7122 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7123 type conversions of a VR_VARYING source to a wider type.
7125 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7127 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7128 tm_file on Solaris 10 and later.
7129 (sparc64-*-solaris2*): Likewise.
7130 (sparc-*-solaris2*): Likewise.
7131 * config/sol26.h: Rename to config/sol2-6.h.
7132 * config/sol2-10.h: New file.
7134 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7137 * tree-ssa-pre.c (create_component_ref_by_pieces):
7140 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7143 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7144 return it immediately.
7146 2006-03-21 Michael Matz <matz@suse.de>
7148 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7150 (remove_arc, add_arc): Update num_out_arcs member.
7151 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7153 (cache_presence): New function.
7154 (compare_states_for_equiv): New function.
7155 (state_is_differed): Don't take number of outargs, adjust callers.
7156 Use new invariant for speeding up.
7157 (init_equiv_class): Create initial classes based on sorted
7159 (partition_equiv_class): Don't track out_arcs_num.
7160 (evaluate_equiv_classes): Call cache_presence on all states and
7163 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7165 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7166 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7167 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7168 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7170 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7171 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7172 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7173 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7174 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7176 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7177 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7178 (REGNO_REG_CLASS): ARGP is in PREGS.
7179 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7181 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7182 to deal with those addresses.
7183 * addresses.h: New file.
7184 * caller-save.c: Include "addresses.h".
7185 (init_caller_save): Use new base_reg_class function.
7186 * rtl-factoring.c: Include "addresses.h".
7187 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7188 * recog.c: Include "addresses.h".
7189 (preprocess_constraints): Use new base_reg_class function.
7190 * regrename.c: Include "addresses.h".
7191 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7192 functions. Keep track of a new var INDEX_CODE to compute valid
7194 (replace_oldest_value_addr): Likewise.
7195 (replace_oldest_value_mem): Use base_reg_class.
7196 * reload.c: Include "addresses.h".
7197 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7198 (find_reloads): Use new base_reg_class function.
7199 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7200 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7201 all callers and prototype changed.
7202 * reload1.c: Include "addresses.h".
7203 (maybe_fix_stack_asms): Use base_reg_class.
7204 * regclass.c: Include "addresses.h".
7205 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7206 (init_reg_autoinc): Use new base_reg_class function.
7207 (record_reg_classes): Likewise.
7208 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7209 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7210 Use new args to compute necessary class.
7212 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7213 regrename.o, rtl-factoring.o): Update dependencies.
7214 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7215 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7216 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7217 REG_OK_FOR_INDEX_P): Delete documentation.
7219 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7221 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7222 from V7 to V9 for Solaris 7 and above.
7224 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7226 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7227 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7228 argument pointers may not alias any other storage.
7229 * common.opt: Define option -fargument-noalias-anything.
7230 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7231 alias semantics is specified by flag_argument_noalias > 2.
7233 2006-03-20 Jeff Law <law@redhat.com>
7235 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7236 (pass_phi_only_cprop): Declare.
7237 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7239 * tree-ssa-dom.c (degenerate_phi_result): New function.
7240 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7241 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7242 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7243 (eliminate_degenerate_phis): Likewise.
7244 (pass_phi_only_cprop): New pass descriptor.
7245 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7246 support code. Callers updated.
7247 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7248 (store_copy_prop): Likewise.
7249 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7251 2006-03-20 Jason Merrill <jason@redhat.com>
7254 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7255 (push_visibility, pop_visibility): Likewise.
7256 * c-pragma.h: Declare them.
7258 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7260 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7262 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7263 parameter and use get_ebb_head_tail.
7264 (sh_md_init_global): Adjust uses of find_regmode_weight.
7266 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7268 * function.h (struct function) <x_tail_recursion_reentry>:
7269 Rename to x_stack_check_probe_note.
7270 (tail_recursion_reentry): Rename to stack_check_probe_note.
7271 * function.c: Replace tail_recursion_reentry with
7272 stack_check_probe_note everywhere.
7273 (expand_function_start): Only emit a note for
7274 stack_check_probe_note with -fstack-protect.
7275 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7277 * emit-rtl.c (remove_unnecessary_notes): Remove.
7278 (pass_remove_unnecessary_notes): Remove.
7279 * rtl.h (remove_unnecessary_notes): Remove prototype.
7280 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7281 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7282 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7284 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7287 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7288 (valid_in_set): Handle ARRAY_REF.
7289 Change "if min_variant or VH" to asserts.
7290 (create_component_ref_by_pieces): Handle ARRAY_REF.
7291 (create_expression_by_pieces): Likewise.
7292 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7294 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7296 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7297 is operand of switch, not str[0].
7299 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7301 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7302 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7304 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7306 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7307 end of insn_extra_address_constraint declaration.
7309 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7311 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7312 (no-sum-in-toc): Same.
7313 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7315 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7316 NO_FP_IN_TOC for -fPIC instead of mask.
7318 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7319 (BOOT_LDFLAGS): Delete.
7321 * config/rs6000/t-aix52: Same.
7323 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7324 (stmsi[345678]_power): New.
7326 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7328 * config/ia64/ia64.opt: Add empty line to end of file.
7330 2006-03-17 Richard Guenther <rguenther@suse.de>
7333 * builtins.c (get_pointer_alignment): For component style references
7334 adjust alignment to the component type alignment. Make sure
7335 to adjust alignment for component access of constants.
7337 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7339 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7342 2006-03-17 Paul Brook <paul@codesourcery.com>
7344 * doc/install.texi: Docuemnt --with-mode.
7345 * config.gcc: Add --with-mode for arm*-*-*.
7346 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7348 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7350 * sh.c (max_labelno_before_reorg): New variable.
7351 (sh_reorg): Initialize it.
7352 (find_barrier): Check max_labelno_before_reorg before using
7353 label_to_alignment. Take length of explicit alignment insns
7354 into account. When seeing a UNSPECV_CONST_END, return it.
7356 * sh.c (fixup_mova): Set mode of affected label to QImode.
7357 (untangle_mova): New function.
7358 (find_barrier): Use it. Check mode of label before decrementing
7360 (sh_reorg): Likewise.
7361 Set mode of all insns back to VOIDmode.
7363 * sh.c (MOVA_LABELREF): New macro.
7364 (mova_p, fixup_mova, sh_reorg): Use it.
7365 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7366 ADDR_DIFF_VEC matches mova.
7368 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7370 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7371 with ATTRIBUTE_UNUSED.
7373 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7375 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7376 pointer, instead of assuming it is possible to derive the
7377 correct args size from a call insn.
7379 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7381 * rtl.h (CONST_INT_P): Define.
7382 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7383 instead of GET_CODE(x) == CONST_INT.
7384 (vax_rtx_costs): Likewise.
7385 (vax_output_int_move): Likewise.
7386 (vax_output_int_add): Likewise.
7387 (legitimate_constant_address_p): Likewise.
7388 (index_term_p): Likewise.
7389 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7390 * config/vax/vax.md (and<mode>3): Likewise.
7391 (ashrsi3): Likewise.
7393 (movstricthi): Likewise.
7394 (movstrictqi): Likewise.
7395 (rotrsi3): Likewise.
7396 (five unnamed insns): Likewise.
7398 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7400 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7401 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7402 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7403 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7404 Pass to ASM_OUTPUT_DWARF_OFFSET.
7405 * dwarf2out.c (debug_frame_section): New.
7406 (output_call_frame_info): Use debug_frame_section. Pass it to
7407 dw2_asm_output_offset.
7408 (output_die): Pass appropriate section to dw2_asm_output_offset.
7409 (output_compilation_unit_header): Likewise.
7410 (output_pubnames): Likewise.
7411 (output_aranges): Likewise.
7412 (enum dw_val_class): Break dw_val_class_lbl_offset into
7413 dw_val_class_lineptr and dw_val_class_macptr.
7414 (add_AT_lbl_offset): Delete.
7415 (add_AT_lineptr): New.
7416 (add_AT_macptr): New.
7417 (AT_lbl): Expect a lineptr or macptr.
7418 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7419 (attr_checksum): Likewise.
7420 (same_dw_val_p): Likewise.
7421 (size_of_die): Likewise.
7422 (value_format): Likewise.
7423 (output_die): Likewise.
7424 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7426 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7427 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7428 * config/darwin-protos.h (darwin_file_start): New.
7429 (darwin_asm_output_dwarf_offset): New.
7430 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7431 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7433 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7434 if not EH section; simplify.
7435 (darwin_file_start): New.
7436 (darwin_asm_output_dwarf_offset): New.
7437 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7439 (DEBUG_INFO_SECTION): Likewise.
7440 (DEBUG_ABBREV_SECTION): Likewise.
7441 (DEBUG_ARANGES_SECTION): Likewise.
7442 (DEBUG_MACINFO_SECTION): Likewise.
7443 (DEBUG_LINE_SECTION): Likewise.
7444 (DEBUG_LOC_SECTION): Likewise.
7445 (DEBUG_PUBNAMES_SECTION): Likewise.
7446 (DEBUG_STR_SECTION): Likewise.
7447 (DEBUG_RANGES_SECTION): Likewise.
7448 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7449 (ASM_OUTPUT_DWARF_OFFSET): New.
7451 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7453 * config.gcc (tm_defines): Always add to previous value rather
7456 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7458 * config/mips/predicates.md (splittable_const_int_operand): New,
7459 split from move_operand.
7460 (splittable_symbolic_operand): New.
7461 (move_operand): Add commentary. Use splittable_const_int_operand.
7462 Inline mips_atomic_symbolic_constant_p.
7463 * config/mips/mips.md: Add combine splitters for handling moves
7464 of splittable_const_int_operands and splittable_symbolic_operands.
7465 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7466 (mips_split_symbol): Declare.
7467 (mips_move_integer): Declare.
7468 * config/mips/mips.c (mips_split_p): Make global.
7469 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7470 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7471 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7472 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7473 (mips_offset_within_object_p): Handle block symbols.
7474 (mips_atomic_symbolic_constant_p): Delete.
7475 (mips_cannot_force_const_mem): Return false for constants that
7476 mips_legitimize_move can handle.
7477 (mips_use_blocks_for_constant_p): New function.
7478 (mips_split_symbol): Make global.
7479 (mips_move_integer): Likewise. Add a temporary register argument.
7480 (mips_legitimize_const_move): Use splittable_const_int_operand and
7481 splittable_symbolic_operand.
7482 (mips_use_anchors_for_symbol_p): New function.
7483 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7484 (mips_split_p): Declare.
7486 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7488 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7489 (mips*-*-linux*): Likewise.
7491 2006-03-16 Roger Sayle <roger@eyesopen.com>
7492 Daniel Speyer <dspeyer@wam.umd.edu>
7495 * tree-dump.c (dump_real): New function.
7496 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7497 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7498 (tree-dump.o): Add $(REAL_H) to the dependencies.
7500 2006-03-16 Roger Sayle <roger@eyesopen.com>
7503 * real.c (real_from_string): If the mantissa is zero, don't bother
7504 parsing the exponent as the result should always be zero.
7506 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7508 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7510 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7512 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7513 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7514 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7515 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7516 ia64_sched_finish_global): New static functions to implement
7517 hooks from gcc_target.sched.
7518 (spec_check_no, max_uid, pending_data_specs): New static variables.
7519 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7520 ia64_spec_check_src_p): New static functions.
7521 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7522 (TARGET_SCHED_ADJUST_COST): Removed.
7523 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7524 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7525 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7526 TARGET_SCHED_GEN_CHECK,
7527 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7528 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7529 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7530 Fixed to handle speculation checks.
7531 (rtx_needs_barrier): Fixed to handle speculative loads and
7533 (ia64_variable_issue): Added code to count speculative loads and their
7535 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7537 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7539 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7541 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7542 (ia64_reorg): Reset stops_p to NULL after it is freed.
7543 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7544 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7545 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7547 (data_speculative, control_speculative, check_load): New attributes.
7548 (mov<mode>_advanced, mov<mode>_speculative,
7549 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7550 zero_extend<mode>di2_speculative,
7551 zero_extend<mode>di2_speculative_advanced): New patterns for
7552 data and control speculative loads.
7553 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7555 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7556 New pattern for data and control speculation checks.
7557 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7558 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7559 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7560 Auxiliary definitions for the patterns.
7561 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7562 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7564 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7566 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7567 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7568 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7569 New resource constraints.
7570 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7572 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7573 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7574 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7575 msched-in-control-spec, msched-ldc, msched-control-ldc,
7576 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7577 msched-prefer-non-control-spec-insns,
7578 msched-count-spec-in-critical-path): New flags to tune speculative
7580 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7581 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7582 msched-in-control-spec, msched-ldc, msched-control-ldc,
7583 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7584 msched-prefer-non-control-spec-insns,
7585 msched-count-spec-in-critical-path): Document new flags.
7587 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7589 * target.h (struct spec_info_def): New opaque declaration.
7590 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7591 speculate_insn, needs_block_p, gen_check,
7592 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7593 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7594 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7595 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7596 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7597 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7599 (TARGET_SCHED): Use new macros.
7600 * rtl.h (copy_DEPS_LIST_list): New prototype.
7601 * sched-int.h (struct sched_info): Change signature of new_ready field,
7602 adjust all initializations. New fields: add_remove_insn,
7603 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7604 region_head_or_leaf_p.
7605 (struct spec_info_def): New structure declaration.
7606 (spec_info_t): New typedef.
7607 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7608 recovery_block, orig_pat.
7609 (glat_start, glat_end): New variables declaraions.
7610 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7612 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7613 DETACH_LIFE_INFO, USE_GLAT.
7614 (enum SPEC_SCHED_FLAGS): New enumeration.
7615 (NOTE_NOTE_BB_P): New macro.
7616 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7617 attach_life_info, debug_spec_status, check_reg_live): New functions.
7618 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7619 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7621 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7622 * ddg.c (get_block_head_tail): Adjust all uses.
7623 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7624 (sms_sched_info): Initialize new fields.
7625 (contributes_to_priority): Removed.
7626 * haifa-sched.c (params.h): New include.
7627 (get_block_head_tail): Adjust all uses.
7628 (ISSUE_POINTS): New macro.
7629 (glat_start, glat_end): New global variables.
7630 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7631 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7632 old_last_basic_block, before_recovery, current_sched_info_var,
7633 rgn_n_insns, luid): New static variables.
7634 (insn_cost1): New function. Move logic from insn_cost to here.
7635 (find_insn_reg_weight1): New function. Move logic from
7636 find_insn_reg_weight to here.
7637 (reemit_notes, move_insn, max_issue): Change signature.
7638 (move_insn1): Removed.
7639 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7640 extend_bb): New static functions to support extension of scheduler's
7642 (generate_recovery_code, process_insn_depend_be_in_spec,
7643 begin_speculative_block, add_to_speculative_block,
7644 init_before_recovery, create_recovery_block, create_check_block_twin,
7645 fix_recovery_deps): New static functions to support
7646 generation of recovery code.
7647 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7648 restore_bb_notes, move_block_after_check, move_succs): New static
7649 functions to support ebb scheduling.
7650 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7651 functions to support handling of register live information.
7652 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7653 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7654 add_jump_dependencies): New static functions.
7655 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7656 consistancy checking.
7657 (debug_spec_status): New function to call from debugger.
7658 (priority): Added code to handle speculation checks.
7659 (rank_for_schedule): Added code to distinguish speculative instructions.
7660 (schedule_insn): Added code to handle speculation checks.
7661 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7662 Fixed to handle ebbs.
7663 (move_insn): Added code to handle ebb scheduling.
7664 (max_issue): Added code to use ISSUE_POINTS of instructions.
7665 (choose_ready): Added code to choose between speculative and
7666 non-speculative instructions.
7667 (schedule_block): Added code to handle ebb scheduling and scheduling of
7668 speculative instructions.
7669 (sched_init): Initialize new variables.
7670 (sched_finish): Free new variables. Print statistics.
7671 (try_ready): Added code to handle speculative instructions.
7672 * lists.c (copy_DEPS_LIST_list): New function.
7673 * sched-deps.c (extend_dependency_caches): New function. Move logic
7674 from create_dependency_caches to here.
7675 (get_dep_weak, ds_merge): Make global.
7676 * genattr.c (main): Code to output prototype for
7677 dfa_clear_single_insn_cache.
7678 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7679 (output_dfa_clean_insn_cache_func): Code to output
7680 dfa_clear_single_insn_cache function.
7681 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7683 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7685 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7686 New static variables.
7687 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7688 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7690 (ebb_sched_info): Initialize new fields.
7691 (get_block_head_tail): Adjust all uses.
7692 (compute_jump_reg_dependencies): Fixed to use glat_start.
7693 (schedule_ebb): Code to remove unreachable last block.
7694 (schedule_ebbs): Added code to update register live information.
7695 * sched-rgn.c (region_sched_info): Initialize new fields.
7696 (get_block_head_tail): Adjust all uses.
7697 (last_was_jump): Removed. Adjust users.
7698 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7699 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7700 Implement new hooks.
7701 (check_dead_notes1): New static function.
7702 (struct region): New fields: dont_calc_deps, has_real_ebb.
7703 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7704 (BB_TO_BLOCK): Fixed to handle EBBs.
7705 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7706 (ebb_head): New static variable.
7707 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7708 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7710 (compute_dom_prob_ps): New assertion.
7711 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7712 global_live_at_start.
7713 (init_ready_list): New assertions.
7714 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7715 (new_ready): Add support for BEGIN_CONTROL speculation.
7716 (schedule_insns): Fixed code that updates register live information
7718 (schedule_region): Fixed to handle EBBs.
7719 (init_regions): Use extend_regions and check_dead_notes1.
7720 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7721 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7722 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7723 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7724 TARGET_SCHED_GEN_CHECK,
7725 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7726 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7727 * doc/invoke.texi (max-sched-insn-conflict-delay,
7728 sched-spec-prob-cutoff): Document.
7730 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7732 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7733 inter_tick, queue_index.
7734 (struct sched_info): Change signature of init_ready_list field.
7735 Adjust all initializations.
7736 (RESOLVED_DEPS): New access macro.
7737 (ready_add): Remove prototype.
7738 (try_ready): Add prototype.
7739 * sched-rgn.c (init_ready_list): Use try_ready.
7740 (schedule_region): Initialize
7741 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7742 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7743 (init_ready_list): Use try_ready.
7744 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7745 * lists.c (remove_list_elem): Remove `static'.
7746 (remove_free_INSN_LIST_elem): New function.
7747 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7748 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7749 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7751 (readyp): New variable.
7752 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7753 change_queue_index, resolve_dep): New static functions.
7754 (try_ready): New function. Adjust callers in sched-rgn.c and
7755 sched-ebb.c to use it instead of ready_add.
7756 (clock_var): Move at the begining of file.
7757 (rank_for_schedule): Fix typo.
7758 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7759 (ready_lastpos): Enforce assertion.
7760 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7762 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7763 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7764 (queue_to_ready): Use free_INSN_LIST_list.
7765 (early_queue_to_ready): Fix typo.
7766 (schedule_block): Init readyp. Move init_ready_list call after the
7767 initialization of clock_var. Fix error in rejecting insn by
7768 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7769 that previously corrected INSN_TICKs. Add code for handling
7771 (set_priorities): Fix typo.
7772 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7773 Clarify comment and code that keeps current_sched_info->next_tail
7776 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7778 * sched-rgn.c (extend_rgns): New static function.
7779 (find_rgns): Use it.
7780 (gather_region_statistics, print_region_statistics): New static
7782 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7783 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7785 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7786 Andrey Belevantsev <abel@ispras.ru>
7788 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7789 * lists.c (unused_deps_list): New variable.
7790 (free_list): Add assertions to verify the proper distinguishing
7791 between INSN_LISTs and DEPS_LISTs.
7792 (find_list_elem, remove_list_elem, remove_list_node): New static
7794 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7795 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7796 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7797 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7799 (free_INSN_LIST_node): Likewise.
7800 * modulo-sched.c (current_sched_info): Initialize flags field.
7801 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7802 * rtl.def (DEPS_LIST): Define.
7803 * rtl.h: Declare new functions from lists.c.
7804 * sched-deps.c (spec_dependency_cache): New static variable.
7805 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7806 (add_dependence): Change return type to void. Move the logic to ...
7807 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7808 (delete_all_dependences): Add comment about forward_dependency_cache.
7809 Handle spec_dependency_cache. Handle DEPS_LISTs.
7810 (fixup_sched_groups): Clarify the change of priority of output
7811 and anti dependencies.
7812 (sched_analyze_2): Adjust add_dependence calls to create data
7813 speculative dependence.
7814 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7815 Adjust all callers. Handle DEPS_LISTS.
7816 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7817 presence of speculation.
7818 (init_dependency_caches, free_dependency_caches):
7819 Handle spec_dependency_cache.
7820 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7821 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7822 New static functions.
7823 (add_or_update_back_dep, add_or_update_back_forw_dep,
7824 add_back_forw_dep, delete_back_forw_dep): New functions.
7825 * sched-int.h (ds_t, dw_t): New typedefs.
7826 (struct sched_info): Add new field flags.
7827 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7828 Prototype new sched-deps.c functions.
7829 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7830 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7831 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7832 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7833 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7834 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7836 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7838 * sched-rgn.c (current_sched_info): Initialize flags field.
7839 (schedule_insns): Initialize current_sched_info before the sched_init
7841 * sched-ebb.c (current_sched_info): Initialize flags field.
7842 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7843 Call add_or_update_back_dep instead of add_dependence.
7844 Create control speculative dependencies.
7845 (schedule_insns): Initialize current_sched_info before the sched_init
7848 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7850 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7852 (sh_fallback_frame_state): Likewise.
7854 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7856 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7857 Do switch on default_use_cxa_atexit.
7858 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7859 * config/darwin-crt3.o: New.
7860 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7861 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7862 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7864 * config/rs6000/t-darwin: Move crt2.o building to here.
7865 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7866 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7869 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7871 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7872 from '! xxx' to '!xxx' for coding-style conformance.
7873 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7874 (EXTRA_CONSTRAINT): Likewise.
7875 * config/vax/vax.md (four unnamed insns): Likewise.
7877 2006-03-15 Paul Brook <paul@codesourcery.com>
7879 * config/arm/arm.c (minipool_pad): New.
7880 (add_minipool_forward_ref): Include pool alignment padding in address
7882 (push_minipool_fix): Set minipool_pad.
7883 (minipool_pad): Ditto.
7885 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7887 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7888 instead of GET_CODE() == MEM and REG_P() instead of
7890 (print_operand_address): Likewise.
7891 (vax_address_cost): Likewise.
7892 (vax_rtx_costs): Likewise.
7893 (vax_notice_update_cc): Likewise.
7894 (vax_output_int_add): Likewise.
7895 (INDEX_REGISTER_P): Likewise.
7896 (BASE_REGISTER_P): Likewise.
7897 (nonindexed_address_p): Likewise.
7898 (vax_mode_dependent_address_p): Likewise.
7899 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7900 (PRINT_OPERAND): Likewise.
7901 * config/vax/vax.md (ashlsi3): Likewise.
7902 (ashlsi3): Likewise.
7903 (some more unnamed insns): Likewise.
7905 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7907 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7908 iterator-style macro.
7909 (mark_control_dependent_edges_necessary): Update the use of
7910 EXECUTE_IF_CONTROL_DEPENDENT.
7912 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7914 * config/sh/predicates.md (cache_address_operand): Special.
7915 (ua_address_operand): Likewise.
7917 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7919 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7921 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7923 2006-03-15 Andreas Schwab <schwab@suse.de>
7925 * gensupport.c (identify_predicable_attribute): Don't free p_false
7926 when it is still in use.
7928 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7930 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7931 the default setting here.
7933 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7935 * tree-pass.h (pass_cfg): Remove.
7936 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7937 * passes.c (pass_cfg): Don't run it.
7939 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7941 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7942 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7944 (stack_regs_mentioned): Update the uses of
7945 stack_regs_mentioned_data. Don't access the array beyond its
7947 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7948 Don't include gt-reg-stack.h.
7950 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7951 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7953 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7956 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7959 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7961 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7963 2006-03-14 Richard Guenther <rguenther@suse.de>
7965 PR tree-optimization/26672
7966 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7969 2006-03-14 Richard Guenther <rguenther@suse.de>
7971 PR tree-optimization/26667
7972 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7973 node for the callees. Always allow inlining if it will shrink
7976 2006-03-14 Richard Guenther <rguenther@suse.de>
7979 * builtins.c (get_pointer_alignment): Prefer alignment
7980 information from decls over that from types.
7982 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7985 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7987 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7989 * config/rs6000/rs6000.opt (mdlmzb): New option.
7990 (msched-prolog, msched-epilog): Use Var not Mask.
7991 * doc/invoke.texi (-mdlmzb): Document.
7992 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7994 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7995 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7997 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7999 PR rtl-optimization/25739
8000 * bt-load.c (augment_live_range): Free tos pointer.
8002 * gensupport.c (identify_predicable_attribute): Free
8004 * gcov.c (create_file_names): Free name pointer.
8006 2006-03-13 Roger Sayle <roger@eyesopen.com>
8009 * stmt.c (emit_case_nodes): Handle the case where the index is a
8010 CONST_INT, where the comparison mode is specified by the index type.
8012 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8014 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8017 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8019 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8020 (*branch_fp_inverted): Likewise.
8022 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8025 * omp-low.c (expand_omp_for_generic): Mark istart0
8026 and iend0 as addressable.
8028 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8030 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8032 2006-03-13 Jeff Law <law@redhat.com>
8034 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8035 virtual operands are interesting.
8036 (vrp_visit_stmt): Corresponding changes.
8038 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8040 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8042 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8043 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8044 * config/bfin/crti.S: Use it instead of __PIC__.
8045 * config/bfin/crtn.S: Likewise.
8047 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8048 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8050 Lose 'G' modifier for call operand.
8051 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8052 recognize 'G' modifier.
8054 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8057 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8058 * stmt.c (expand_case): Likewise.
8060 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8062 PR rtl-optimization/26254
8063 * loop-invariant.c (seq_insns_valid_p): New function.
8064 (move_invariant_reg): Only emit new code if it is valid.
8066 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8068 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8070 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8071 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8072 (commit_one_edge_insertion): Do not look for loop notes.
8074 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8076 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8077 flag_test_coverage out of loop.
8079 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8081 * final.c (shorten_branches): Remove outdated comment, and turn
8082 the if branch that guards it to continue.
8084 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8086 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8087 * cfgloop.h (struct loop): Remove unused fields.
8089 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8091 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8092 (-dL, -fdump-rtl-loop2): Update the dump file names
8094 * doc/invoke.texi: Update dump file names.
8096 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8098 * predict.c (estimate_probability): Remove.
8099 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8100 * basic-block.h (estimate_probability): Remove prototype.
8101 * passes.c (finish_optimization_passes): Dump branch prediction or
8102 profiling heuristics to the .profile tree dump.
8103 (init_optimization_passes): Unqueue pass_branch_prob.
8105 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8107 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8109 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8110 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8112 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8114 * function.h (frame_offset_overflow): Declare.
8115 * function.c (frame_offset_overflow): New function.
8116 (assign_stack_local_1): Call it to detect that the offset overflows.
8117 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8119 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8121 * config/sh/sh.c: Include alloc-pool.h.
8122 (label_ref_list_pool): New alloc pool.
8123 (label_ref_list_t): New type for lists of labels.
8124 (struct pool_node): Make wend a label_ref_list_t.
8125 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8127 (dump_table): Likewise.
8128 (sh_reorg): Set up the alloc pool before using add_constant and
8129 dump_table, and destroy it when finishing.
8131 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8133 * config/mips/mips.c: Remove redundant comment.
8135 2006-03-10 Jason Merrill <jason@redhat.com>
8138 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8139 the target was declared 'register'.
8141 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8143 * genpreds.c (write_insn_constraint_len): Change definition of
8144 insn_constraint_len to return size_t to match the declaration.
8146 2006-03-10 DJ Delorie <dj@redhat.com>
8148 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8150 (m32c_expand_insv): Fix test for an AND mask.
8152 2006-03-10 Richard Guenther <rguenther@suse.de>
8155 * builtins.c (get_pointer_alignment): Handle component
8156 references for field alignment.
8158 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8160 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8161 when building with libgloss.
8162 (sh*elf): Implement --without-fp option.
8163 (sh64-superh-linux*): Don't multilib.
8165 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8167 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8169 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8171 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8172 Set it when one of the replacement functions returned true.
8173 Return TODO_cleanup_cfg if cfgchanged is true.
8174 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8176 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8178 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8179 instead of gen_lowpart.
8181 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8183 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8185 (mips_output_order_conditional_branch): Declare.
8186 * config/mips/mips.h (MIPS_BRANCH): New macro.
8187 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8188 for the comparison. Use gen_condjump.
8189 (mips_output_conditional_branch): Rework interface to take the
8190 asm templates for a direct branch and the inverse of a direct branch.
8191 (mips_output_order_conditional_branch): New function.
8192 (mips_builtin_branch_and_move): New function.
8193 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8194 branch condition. Use gen_single_cc as the condition for
8195 __builtin_mips_upper_* or __builtin_mips_lower_*.
8196 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8197 Use VOIDmode for the branch condition.
8198 * config/mips/predicates.md (order_operator): New predicate.
8199 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8200 (branch_fp): Rename to...
8201 (*branch_fp): ...this. Remove mode from comparison operator.
8202 Use new mips_output_conditional_branch interface.
8203 (branch_fp_inverted): Rename to...
8204 (*branch_fp_inverted): ...this and update as for *branch_fp.
8205 (*branch_zero<mode>): Rename to...
8206 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8207 Use mips_output_order_conditional_branch. Only accept ordered
8209 (*branch_zero<mode>_inverted): Rename to...
8210 (*branch_order<mode>_inverted): ...this and update as for
8211 *branch_order<mode>.
8212 (*branch_equality<mode>): Accept zero as the second operand to
8213 the equality operator. Use the new mips_output_conditional_branch
8215 (*branch_equality<mode>_inverted): Likewise.
8216 (condjump): New expander.
8217 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8219 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8220 (bc1any2t, bc1any2f): Likewise.
8221 (single_cc): New expander.
8222 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8224 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8226 * doc/md.texi: Update documentation of MIPS constraints.
8227 * config/mips/constraints.md: New file.
8228 * config/mips/mips.md: Include it.
8229 * config/mips/mips.c (mips_char_to_class): Delete.
8230 (override_options): Don't initialize mips_char_to_class.
8231 * config/mips/mips.h (mips_char_to_class): Delete.
8232 (REG_CLASS_FROM_LETTER): Delete.
8233 (CONST_OK_FOR_LETTER_P): Delete.
8234 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8235 (EXTRA_CONSTRAINT_Y): Delete.
8236 (EXTRA_CONSTRAINT_STR): Delete.
8237 (CONSTRAINT_LEN): Delete.
8238 (EXTRA_MEMORY_CONSTRAINT): Delete.
8240 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8242 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8243 original fn's eh regions.
8245 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8247 * fold-const.c (build_range_check): Make sure to use a valid type to
8248 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8251 (range_predecessor): New static function.
8252 (range_successor): Likewise.
8253 (merge_ranges): Use them to compute predecessors and successors of
8256 2006-03-09 Roger Sayle <roger@eyesopen.com>
8259 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8260 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8262 2006-03-08 DJ Delorie <dj@redhat.com>
8264 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8265 (addpsi3): Expand to include memory operands. Remove
8266 reload-specific splits.
8267 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8268 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8269 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8270 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8271 (shift1_qi, shift1_hi, insv): New.
8272 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8273 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8274 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8276 * config/m32c/m32c-protos.h: Update as needed.
8277 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8278 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8279 Fail for unrecognized R* constraints.
8280 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8281 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8282 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8284 (m32c_init_libfuncs): New.
8285 (m32c_legitimate_address_p): Add debug wrapper.
8286 (m32c_rtx_costs): New.
8287 (m32c_address_cost): New.
8288 (conversions): Add 'B' prefix.
8289 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8290 operands, or word regnames for QI operands. 'B' prints bit
8292 (m32c_expand_setmemhi): New.
8293 (m32c_expand_movmemhi): New.
8294 (m32c_expand_movstr): New.
8295 (m32c_expand_cmpstr): New.
8296 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8297 (m32c_expand_neg_mulpsi3): Handle non-ints.
8298 (m32c_cmp_flg_0): New.
8299 (m32c_expand_movcc): New.
8300 (m32c_expand_insv): New.
8301 (m32c_scc_pattern): New.
8302 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8303 a0/a1 out of SIregs.
8304 (STORE_FLAG_VALUE): New.
8305 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8308 * config/m32c/mov.md: Make constraints more liberal.
8309 (zero_extendqihi2): Optimize r0/r1 case.
8310 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8311 * config/m32c/predicates.md (m32c_any_operand): New.
8312 (m32c_nonimmediate_operand): New.
8313 (m32c_hl_operand): New.
8314 (m32c_r3_operand): New.
8317 (memsym_operand): New.
8318 (memimmed_operand): New.
8319 (a_qi_operand): New.
8320 (m32c_eqne_operator): New.
8321 (m32c_1bit8_operand): New.
8322 (m32c_1bit16_operand): New.
8323 (m32c_1mask8_operand): New.
8324 (m32c_1mask16_operand): New.
8325 * config/m32c/blkmov.md: New file.
8326 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8328 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8330 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8331 unsigned to fix signed/unsigned comparison issue in
8332 DWARF2_FRAME_REG_OUT.
8333 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8334 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8336 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8337 of ptr into the ENABLE_CHECKING section.
8339 2006-03-08 Jeff Law <law@redhat.com>
8341 * tree-vrp.c (infer_value_range): Only count pointer uses
8342 and dereferences if -fdelete-null-pointer-checks is enabled.
8344 * tree-vrp.c (find_assert_locations): Infer value ranges for
8345 single use pointers, but do not create ASSERT_EXPRs for them.
8346 When a non-null range is inferred for a pointer, backwards
8347 propagate that range to other equivalent pointers through the
8350 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8353 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8354 language hook targets.
8355 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8356 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8357 if language hook targets were missing.
8359 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8361 * tree-ssa-opfinalize.h: Removed.
8362 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8364 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8365 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8366 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8367 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8368 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8369 finalize_ssa_v_must_def_ops): New.
8371 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8373 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8376 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8378 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8380 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8381 addresses with offsets; reorganize.
8383 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8384 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8385 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8387 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8390 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8392 2006-03-08 Ben Elliston <bje@au.ibm.com>
8394 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8396 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8399 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8402 2006-03-07 Richard Guenther <rguenther@suse.de>
8404 PR tree-optimization/26587
8405 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8407 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8409 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8411 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8413 * hooks.c (hook_bool_mode_rtx_true): New function.
8414 * hooks.h (hook_bool_mode_rtx_true): Declare.
8415 * toplev.c (compile_file): Call output_shared_constant_pool.
8416 * varasm.c (shared_constant_pool): New variable.
8417 (assemble_start_function, assemble_end_function): Remove arguments
8418 from call to output_constant_pool.
8419 (create_constant_pool): New function, split out from...
8420 (init_varasm_status): ...here.
8421 (force_const_mem): Choose between the shared and per-function constant
8422 pools. Set current_function_uses_const_pool when reusing old entries
8423 as well as when creating new ones.
8424 (mark_constant): Ignore data argument.
8425 (mark_constants): Remove pool argument.
8426 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8427 to decide whether the function uses a constant pool.
8428 (output_constant_pool_contents): New function, split out from...
8429 (output_constant_pool): ...here.
8430 (output_shared_constant_pool): New function.
8431 (init_varasm_once): Initialize shared_constant_pool.
8432 * output.h (output_constant_pool): Delete.
8433 (output_shared_constant_pool): Declare.
8434 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8435 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8437 2006-03-06 Nick Clifton <nickc@redhat.com>
8439 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8440 flag_strength_reduce.
8442 2006-03-06 Ben Elliston <bje@au.ibm.com>
8444 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8445 x86_64-*-linux* configurations.
8447 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8448 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8450 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8452 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8454 * basic-block.h: Remove the extern for
8455 rediscover_loops_after_threading.
8457 * cfgloop.c (cancel_loop): Make it static.
8458 * cfgloop.h: Remove the prototype for cancel_loop.
8460 * flow.c (recompute_reg_usage): Make it static.
8461 * rtl.h: Remove the prototype for recompute_reg_usage.
8463 * function.c (use_return_register): Make it static.
8464 * function.h: Remove the prototype.
8466 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8468 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8470 * recog.h: Remove the prototype for
8471 validate_change_maybe_volatile.
8473 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8475 * rtlanal.c (replace_reg): Remove.
8476 * rtl.h: Remove the prototype for replace_reg.
8478 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8480 * regclass.c (reg_scan_update): Remove.
8481 (reg_scan_mark_refs): Remove the last argument.
8482 * rtl.h: Remove the prototype for reg_scan_update.
8484 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8486 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8487 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8488 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8489 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8490 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8491 loop-invariant.c, omp-low.c, opts.c, passes.c,
8492 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8493 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8494 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8495 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8496 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8497 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8499 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8501 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8502 * dwarf2out.h: Remove the prototype for
8503 dwarf2out_add_library_unit_info.
8505 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8507 * tree.c (add_var_to_bind_expr): Remove.
8508 * tree.h: Remove the prototype for add_var_to_bind_expr.
8510 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8512 * regclass.c (n_non_fixed_regs): Remove.
8513 (init_reg_sets_1, globalize_reg): Remove all uses of
8515 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8517 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8519 * rtlanal.c (insns_safe_to_move_p): Remove.
8520 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8522 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8524 * expmed.c (expand_mult_add): Remove.
8525 * expr.h: Remove the prototype for expand_mult_add.
8527 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8529 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8530 and REG_SAVED_VAL_EXP constants.
8531 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8532 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8533 Handle regs stored by value.
8534 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8535 (execute_cfa_program): Handle DW_CFA_val_offset,
8536 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8537 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8538 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8539 (uw_install_context_1): Handle target regs stored by value.
8541 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8543 * tree-sra.c (tree_sra): Return todoflags;
8544 (generate_one_element): Set TODO_update_smt_usage if needed.
8545 (pass_sra): Remove TODO_update_smt_usage.
8546 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8548 (tree_ssa_forward_propagate_single_use_vars): Return
8549 TODO_update_smt_usage if we need to update SMT usage.
8550 (pass_forwprop): Remove TODO_update_smt_usage.
8552 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8554 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8555 (correct_use_link): Remove reference to get_stmt_operands.
8556 (update_stmt_operands): Likewise.
8557 (get_modify_expr_operands): New function factored out of
8558 parse_ssa_operands and get_expr_operands.
8559 Try to create V_MUST_DEFs for LHS by default.
8560 (get_expr_operands) <case MODIFY_EXPR>: Call
8561 get_modify_expr_operands.
8562 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8563 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8564 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8565 get_modify_expr_operands.
8567 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8569 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8570 * tree-flow.h: Remove the prototype for
8571 referenced_var_lookup_if_exists.
8573 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8575 PR rtl-optimization/26345
8577 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8579 2006-03-03 Roger Sayle <roger@eyesopen.com>
8581 PR tree-optimization/26524
8582 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8583 fold_convert to create a constant of the appropriate type.
8585 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8587 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8588 SYMBOL_REF_IN_BLOCK_P.
8589 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8590 of SYMBOL_FLAG_IN_BLOCK.
8591 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8592 instead of SYMBOL_REF_IN_BLOCK_P.
8593 * explow.c (use_anchored_address): Likewise.
8594 * rtl.c (rtx_size): Likewise.
8595 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8596 instead of SYMBOL_FLAG_IN_BLOCK.
8597 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8598 SYMBOL_REF_IN_BLOCK_P.
8599 (assemble_variable): Likewise.
8600 (output_constant_def_contents): Likewise.
8601 (output_constant_pool): Likewise.
8602 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8603 instead of SYMBOL_FLAG_IN_BLOCK.
8604 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8605 SYMBOL_REF_IN_BLOCK_P.
8606 (SYMBOL_REF_BLOCK): Likewise.
8607 (SYMBOL_REF_OFFSET): Likewise.
8608 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8609 SYMBOL_REF_IN_BLOCK_P.
8610 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8611 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8612 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8613 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8615 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8617 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8619 2006-03-02 Roger Sayle <roger@eyesopen.com>
8621 * simplify-rtx.c (simplify_unary_operation): When simplifying
8622 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8623 that we perform the right shift in the appropriate mode, and
8624 then extend or truncate the result to requested mode.
8626 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8628 * gengtype.c (main): Handle double_int type.
8629 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8630 * double-int.c: New file.
8631 * double-int.h: New file.
8632 * system.h: Include doubleint.h.
8633 * Makefile.in (SYSTEM_H): Include double-int.h.
8634 (double-int.o): Add.
8636 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8639 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8642 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8644 * tree-vrp.c (remove_range_assertions): Do not update statements
8647 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8649 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8651 * gcse.c (rest_of_handle_gcse): Ditto.
8652 * except.c (gate_handle_eh): Ditto.
8653 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8654 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8656 2006-03-02 Eric Christopher <echristo@apple.com>
8658 * config/i386/i386.c (machopic_output_stub): Add indirection to
8661 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8665 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8667 Sun Niagara specific optimizations.
8668 * config.gcc: Recognize niagara as target.
8669 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8670 (TARGET_CPU_niagara): Define.
8671 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8672 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8673 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8674 (ASM_CPU_SPEC): Likewise.
8675 (PROCESSOR_NIAGARA): New enum entry.
8676 (REGISTER_MOVE_COST): Handle Niagara.
8677 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8678 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8679 (sparc_override_options): Recognize "niagara", set appropriate
8680 default MASK_* values for it, and align functions to 32-bytes
8681 by default just like ULTRASPARC/ULTRASPARC3.
8682 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8683 (sparc64_initialize_trampoline): Likewise.
8684 (sparc_use_sched_lookahead): Use zero for niagara.
8685 (sparc_issue_rate): Use one for niagara.
8686 * config/sparc/niagara.md: New file.
8687 * config/sparc/sparc.md: Include it.
8688 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8689 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8690 when default cpu is niagara.
8691 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8692 (ASM_CPU_SPEC): Likewise.
8693 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8694 when default cpu is niagara.
8695 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8696 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8697 just like v9/ultrasparc/ultrasparc3.
8698 * doc/invoke.texi: Add documentation for "niagara" and improve
8699 existing documentation for ultrasparc variants.
8701 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8703 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8705 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8707 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8708 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8709 and say that only one is needed.
8710 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8711 * target.h (have_switchable_bss_sections): New hook.
8712 * explow.c (use_anchored_address): Check that the symbol is in a block.
8713 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8714 (bss_noswitch_section): New variables.
8715 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8716 (get_noswitch_section): New function.
8717 (get_block_for_section): Allow SECT to be null.
8718 (unlikely_text_section_p): Use SECTION_STYLE.
8719 (bss_initializer_p): New function.
8720 (get_variable_section): Move earlier in file. Take a new argument,
8721 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8722 Return one of the new *_sections in such cases.
8723 (get_block_for_decl): New function, extracting some logic from
8724 use_blocks_for_decl_p.
8725 (change_symbol_section): Remove in favor of...
8726 (change_symbol_block): ...this new function.
8727 (use_blocks_for_decl_p): Remove checks now performed by
8729 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8730 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8731 (emit_local, emit_bss, emit_common): ...these new functions.
8732 Return true if the alignment was honored.
8733 (emit_tls_common): New function.
8734 (asm_emit_uninitialised): Delete.
8735 (assemble_variable_noswitch): New function, split out from...
8736 (assemble_variable): ...here. Don't make decisions about common
8737 variables here. Globalize all public decls that go into non-common
8738 sections. Check whether SYMBOL_REF_BLOCK is null.
8739 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8740 (output_constant_pool): Likewise.
8741 (init_varasm_once): Initialize the new section variables.
8742 (have_global_bss_p): New function.
8743 (categorize_decl_for_section): Use bss_initializer_p.
8744 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8745 (place_block_symbol): Assert that the symbol must be in a block.
8746 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8747 (TARGET_INITIALIZER): Include it.
8748 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8749 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8750 (SECTION_MACH_DEP): Bump by two.
8751 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8752 (unnamed_section): Mention SECTION_UNNAMED in comment.
8753 (named_section): Likewise SECTION_NAMED.
8754 (noswitch_section_callback): New type.
8755 (noswitch_section): New structure.
8756 (section): Add a noswitch_section alternative.
8757 (SECTION_STYLE): New macro.
8758 (tls_comm_section, comm_section, lcomm_section): Declare.
8759 (bss_noswitch_section, have_global_bss_p): Declare.
8760 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8761 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8763 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8764 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8767 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8769 * tree-vrp.c (execute_vrp): Return value.
8770 * regrename.c (rest_of_handle_regrename): Ditto.
8771 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8772 * tree-complex.c (tree_lower_complex): Ditto.
8773 (tree_lower_complex_O0): Ditto.
8774 * tracer.c (rest_of_handle_tracer): Ditto.
8775 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8776 * postreload.c (rest_of_handle_postreload): Ditto.
8777 * tree-tailcall.c (execute_tail_recursion): Ditto.
8778 (execute_tail_calls): Ditto.
8779 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8780 * tree.h (init_function_for_compilation): Ditto.
8781 * ipa-cp.c (ipcp_driver): Ditto.
8782 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8783 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8784 * final.c (compute_alignments): Ditto.
8785 (rest_of_handle_final): Ditto.
8786 (rest_of_handle_shorten_branches): Ditto.
8787 (rest_of_clean_state): Ditto.
8788 * omp-low.c (execute_expand_omp): Ditto.
8789 (execute_lower_omp): Ditto.
8790 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8791 * ipa-reference.c (static_execute): Ditto.
8792 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8793 * reorg.c (rest_of_handle_delay_slots): Ditto.
8794 (rest_of_handle_machine_reorg): Ditto.
8795 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8796 * flow.c (recompute_reg_usage): Ditto.
8797 (rest_of_handle_remove_death_notes): Ditto.
8798 (rest_of_handle_life): Ditto.
8799 (rest_of_handle_flow2): Ditto.
8800 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8801 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8802 (do_ssa_store_ccp): Ditto.
8803 (execute_fold_all_builtins): Ditto.
8804 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8805 * modulo-sched.c (rest_of_handle_sms): Ditto.
8806 * ipa-pure-const.c (static_execute): Ditto.
8807 * cse.c (rest_of_handle_cse): Ditto.
8808 (rest_of_handle_cse2): Ditto.
8809 * web.c (rest_of_handle_web): Ditto.
8810 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8811 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8812 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8813 * tree-nrv.c (tree_nrv): Ditto.
8814 (execute_return_slot_opt): Ditto.
8815 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8816 (create_structure_vars): Ditto.
8817 * loop-init.c (rtl_loop_init): Ditto.
8818 (rtl_loop_done): Ditto.
8819 (rtl_move_loop_invariants): Ditto.
8820 (rtl_unswitch): Ditto.
8821 (rtl_unroll_and_peel_loops): Ditto.
8822 (rtl_doloop): Ditto.
8823 * gimple-low.c (lower_function_body): Ditto.
8824 (mark_used_blocks): Ditto.
8825 * tree-ssa-sink.c (execute_sink_code): Ditto.
8826 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8827 (cgraph_early_inlining): Ditto.
8828 * global.c (rest_of_handle_global_alloc): Ditto.
8829 * jump.c (cleanup_barriers): Ditto.
8830 (purge_line_number_notes): Ditto.
8831 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8832 (rest_of_handle_if_after_reload): Ditto.
8833 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8834 (tree_ssa_loop_im): Ditto.
8835 (tree_ssa_loop_unswitch): Ditto.
8836 (tree_vectorize): Ditto.
8837 (tree_linear_transform): Ditto.
8838 (tree_ssa_loop_ivcanon): Ditto.
8839 (tree_ssa_empty_loop): Ditto.
8840 (tree_ssa_loop_bounds): Ditto.
8841 (tree_complete_unroll): Ditto.
8842 (tree_ssa_loop_prefetch): Ditto.
8843 (tree_ssa_loop_ivopts): Ditto.
8844 (tree_ssa_loop_done): Ditto.
8845 * predict.c (tree_estimate_probability): Ditto.
8846 * recog.c (split_all_insns_noflow): Ditto.
8847 (rest_of_handle_peephole2): Ditto.
8848 (rest_of_handle_split_all_insns): Ditto.
8849 * tree-eh.c (lower_eh_constructs): Ditto.
8850 * regmove.c (rest_of_handle_regmove): Ditto.
8851 (rest_of_handle_stack_adjustments): Ditto.
8852 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8853 * function.c (instantiate_virtual_regs): Ditto.
8854 (init_function_for_compilation): Ditto.
8855 (rest_of_handle_check_leaf_regs): Ditto.
8856 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8857 (rest_of_handle_gcse): Ditto.
8858 * ipa-type-escape.c (type_escape_execute): Ditto.
8859 * alias.c (rest_of_handle_cfg): Ditto.
8860 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8861 * profile.c (rest_of_handle_branch_prob): Ditto.
8862 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8863 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8864 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8865 * tree-dfa.c (find_referenced_vars): Ditto.
8866 * except.c (set_nothrow_function_flags): Ditto.
8867 (convert_to_eh_region_ranges): Ditto.
8868 (rest_of_handle_eh): Ditto.
8869 * emit-rtl.c (unshare_all_rtl): Ditto.
8870 (remove_unnecessary_notes): Ditto.
8871 * except.h (set_nothrow_function_flags): Ditto.
8872 (convert_to_eh_region_ranges): Ditto.
8873 * cfgexpand.c (tree_expand_cfg): Ditto.
8874 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8875 * tree-ssa-pre.c (do_pre): Ditto.
8876 (execute_fre): Ditto.
8877 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8878 (rest_of_handle_jump2): Ditto.
8879 * tree-sra.c (tree_sra): Ditto.
8880 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8881 (execute_mudflap_function_decls): Ditto.
8882 * tree-ssa-copy.c (do_copy_prop): Ditto.
8883 (do_store_copy_prop): Ditto.
8884 * ipa-prop.h (ipcp_driver): Ditto.
8885 * cfglayout.c (insn_locators_initialize): Ditto.
8886 * tree-ssa-forwprop.c
8887 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8888 * cfglayout.h (insn_locators_initialize): Ditto.
8889 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8890 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8891 (execute_late_warn_uninitialized): Ditto.
8892 * rtl.h (cleanup_barriers): Ditto.
8893 (split_all_insns_noflow): Ditto.
8894 (purge_line_number_notes): Ditto.
8895 (unshare_all_rtl): Ditto.
8896 (remove_unnecessary_notes): Ditto.
8897 (recompute_reg_usage): Ditto.
8898 (variable_tracking_main): Ditto.
8899 * integrate.c (emit_initial_value_sets): Ditto.
8900 * integrate.h (emit_initial_value_sets): Ditto.
8901 * tree-optimize.c (execute_free_datastructures): Ditto
8902 (execute_free_cfg_annotations): Ditto.
8903 (execute_fixup_cfg): Ditto.
8904 (execute_cleanup_cfg_pre_ipa): Ditto.
8905 (execute_cleanup_cfg_post_optimizing): Ditto.
8906 (execute_init_datastructures): Ditto.
8907 * tree-object-size.c (compute_object_sizes): Ditto.
8908 * combine.c (rest_of_handle_combine): Ditto.
8909 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8910 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8911 (rest_of_handle_reorder_blocks): Ditto.
8912 (rest_of_handle_partition_blocks): Ditto.
8913 * var-tracking.c (variable_tracking_main): Ditto.
8914 * tree-profile.c (tree_profiling): Ditto.
8915 * tree-vect-generic.c (expand_vector_operations): Ditto.
8916 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8917 * sched-rgn.c (rest_of_handle_sched): Ditto.
8918 (rest_of_handle_sched2): Ditto.
8919 * basic-block.h (free_bb_insn): Ditto.
8920 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8921 * tree-cfg.c (execute_build_cfg): Ditto.
8922 (remove_useless_stmts): Ditto.
8923 (split_critical_edges): Ditto.
8924 (execute_warn_function_return): Ditto.
8925 (execute_warn_function_noreturn): Ditto.
8926 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8927 * cfgrtl.c (free_bb_for_insn): Ditto.
8928 * passes.c (execute_one_pass): Run additional
8929 todos returned by execute function.
8930 * tree-pass.h (struct tree_opt_pass): Make execute
8933 2006-03-02 Richard Guenther <rguenther@suse.de>
8935 * tree-ssa-alias.c (find_used_portions): Consider taking
8936 the address as making the variable not write-only.
8938 2006-03-02 Nick Clifton <nickc@redhat.com>
8940 * config.gcc (default_use_cxa_atexit): Extend the description of
8941 this configure variable. Set its default value to "yes" for
8942 Linux, NetBSD and ELF targets on the assumption that they will
8943 use C libraries with the __cxa_atexit function.
8945 2006-03-02 Ben Elliston <bje@au.ibm.com>
8947 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8948 parameter as unused to suppress a build warning.
8950 2006-03-02 Ben Elliston <bje@au.ibm.com>
8952 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8955 2006-03-01 Roger Sayle <roger@eyesopen.com>
8958 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8959 declared name, the weak reference name, and the typeof name.
8960 (__gthrw): Avoid expanding the declared name suffix.
8961 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8963 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8965 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8967 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8968 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8969 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8970 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8971 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8972 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8973 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8974 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8975 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8976 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8977 (DW_END_default, DW_END_big, DW_END_little): New.
8978 (DW_END_lo_user, DW_END_hi_user): Define.
8979 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8980 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8981 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8984 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8986 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8988 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8990 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8992 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8994 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8995 to 'symbol_mem_tag'.
8997 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9000 2006-03-01 Roger Sayle <roger@eyesopen.com>
9002 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9004 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9007 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9008 MACHO_DYNAMIC_NO_PIC_P.
9009 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9011 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9014 * config/darwin-protos.h (darwin_asm_output_anchor):
9016 * config/darwin-sections.def (cstring_section):
9017 Add SECTION_MERGE to the flags.
9018 (literal4_section): Likewise.
9019 (literal8_section): Likewise.
9020 (objc_selector_refs_section): Likewise.
9021 (objc_cls_refs_section): Likewise.
9022 * config/darwin.c (darwin_asm_output_anchor): New
9024 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9026 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9028 Fix PR tree-optimization/26443
9029 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9030 to todo and PROP_tmt_usage to properties_destroyed.
9031 * tree-ssa-ccp.c (pass_ccp): Ditto.
9032 (pass_store_ccp): Ditto.
9033 * tree-ssa-dom.c (pass_dominator): Ditto.
9035 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9037 * tree-ssa-operands.c: Cleanup whitespace.
9038 (get_asm_expr_operands): Move before first invocation.
9039 (get_indirect_ref_operands): Likewise.
9040 (get_tmr_operands): Likewise.
9041 (get_call_expr_operands): Likewise.
9042 (append_def): Likewise.
9043 (append_use): Likewise.
9044 (append_v_may_def): Likewise.
9045 (append_v_must_def): Likewise.
9046 (add_call_clobber_ops): Likewise.
9047 (add_call_read_ops): Likewise.
9048 (add_stmt_operand): Likewise.
9049 (add_virtual_operand): Likewise.
9050 (build_ssa_operands): Likewise.
9052 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9057 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9058 with a call expr to ...
9059 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9061 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9063 * tree-vrp.c (extract_range_from_assert): Remove special
9064 handling for types with super-types.
9066 2006-03-01 Ben Elliston <bje@au.ibm.com>
9068 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9069 and powerpc64-*-linux* configurations.
9070 * config/t-dfprules: New file.
9072 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9073 Compile dfp-bit.c from the source directory using -DWIDTH and
9074 $DFP_CFLAGS to control the compilation of that file, rather than
9075 generating width-specific versions in the build directory.
9076 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9077 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9079 2006-02-28 Zack Weinberg <zackw@panix.com>
9081 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9084 2006-02-28 Eric Christopher <echristo@apple.com>
9086 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9087 Set up IN_LIBGCC definition of TARGET_64BIT.
9088 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9090 2006-02-28 Roger Sayle <roger@eyesopen.com>
9093 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9094 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9095 cases via the construction of "expr != 0".
9097 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9099 * alias.c (alias_invariant, alias_invariant_size): Remove.
9100 (record_base_value): Remove.
9101 (memrefs_conflict_p): Don't look at alias_invariant.
9102 (end_alias_analysis): Don't free it.
9103 * alias.h (record_base_value): Remove prototype.
9105 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9106 Adam Nemet <anemet@caviumnetworks.com>
9108 * rtl.h (truncated_to_mode): Declare it.
9109 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9110 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9111 (RTL_HOOKS_INITIALIZER): Include it.
9112 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9113 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9114 reg_truncated_to_mode.
9115 * rtlanal.c (truncated_to_mode): Define it.
9116 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9118 2006-02-28 Jeff Law <law@redhat.com>
9120 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9121 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9122 the range allowed by TYPE_PRECISION.
9124 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9126 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9128 PR tree-optimization/26419
9129 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9132 2006-02-27 Zack Weinberg <zackw@panix.com>
9134 * doc/md.texi: Fix typo in previous change.
9136 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9140 2006-02-27 Zack Weinberg <zackw@panix.com>
9142 * rtl.def (define_constraint, define_register_constraint)
9143 (define_memory_constraint, define_address_constraint): New MD forms.
9144 * gensupport.c (process_rtx): Put define_constraint etc on the
9146 * genpreds.c (process_define_predicate): Adjust comment. Validate
9147 the name, and call validate_exp to validate the expression.
9148 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9149 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9150 all callers changed.
9151 (validate_exp, needs_variable, struct constraint_data)
9152 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9153 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9154 (const_dbl_constraints, constraint_max_namelen)
9155 (have_register_constraints, have_memory_constraints)
9156 (have_address_constraints, have_address_constraints)
9157 (have_extra_constraints, have_const_int_constraints)
9158 (have_const_dbl_constraints, mangle, add_constraint)
9159 (process_define_constraint, process_define_register_constraint)
9160 (write_enum_constraint_num, write_lookup_constraint)
9161 (write_insn_constraint_len, write_regclass_for_constraint)
9162 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9163 (write_insn_extra_memory_constraint)
9164 (write_insn_extra_address_constraint)
9165 (write_satisfies_constraint_fns): New.
9166 (write_tm_preds_h): If we have new-style constraint definitions,
9167 prototype the functions generated from them, and define the
9168 old constraint interface (still used by generic code) in terms of
9170 (write_insn_preds_c): If we have new-style constraint definitions,
9171 generate all relevant functions from those definitions.
9172 (main): Handle define_constraint etc.
9173 * genoutput.c (struct constraint_data, indep_constraints)
9174 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9175 (mdep_constraint_len): New data structures and functions, defined
9176 #ifdef USE_MD_CONSTRAINTS.
9177 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9178 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9179 use new logic to validate operand constraints against constraint
9181 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9183 * defaults.h: If none of the old-style constraint macros are
9184 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9185 old-style macros; and poison REG_CLASS_FROM_LETTER,
9186 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9188 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9189 * doc/md.texi: Document new constraint-definition mechanism and the
9190 C interface it provides. Remove references to old mechanism
9191 elsewhere in the document.
9192 (Machine Constraints): Use pathnames relative to gcc directory,
9193 i.e. config/ARCH/FILE. Change i386 section to refer to
9194 config/i386/predicates.md; update that section to match docstrings.
9195 * doc/tm.texi: Move all documentation of the old constraint-
9196 definition macros to their own section, clearly mark as obsolete.
9198 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9199 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9201 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9202 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9203 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9205 (splits and peepholes): Use satisfies_constraint_*.
9206 * config/i386/i386.c (memory_address_length)
9207 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9209 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9211 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9212 scalar operation to be put back into the loop.
9214 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9217 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9218 (extract_cie_info): Handle S flag in augmentation string.
9219 (execute_cfa_program): If context->signal_frame, execute also
9220 fs->pc == context->ra instructions.
9221 (uw_frame_state_for): If context->signal_frame, don't subtract one
9222 from context->ra to find FDE.
9223 (uw_update_context_1): Set context->signal_frame to
9225 (_Unwind_GetIPInfo): New function.
9226 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9227 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9229 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9230 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9231 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9232 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9233 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9234 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9235 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9236 x86_64_fallback_frame_state): Set fs->signal_frame.
9237 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9238 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9239 (frob_update_context): Likewise. Workaround missing S flag in
9240 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9241 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9242 Remove the psw_addr + 1 hack.
9244 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9246 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9247 with aggregates here.
9248 (find_func_aliases): Remove code for &<aggregate> from here.
9250 2006-02-26 Roger Sayle <roger@eyesopen.com>
9252 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9253 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9254 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9257 2006-02-26 Roger Sayle <roger@eyesopen.com>
9260 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9262 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9264 * opts.c (decode_options): Do not handle flag_strength_reduce.
9265 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9266 and OPT_fstrength_reduce.
9267 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9268 flag_prefetch_loop_arrays for being nonzero.
9269 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9271 (fprefetch-loop-arrays-rtl): Removed.
9272 (flag_prefetch_loop_arrays): Do not specify the value.
9274 * doc/passes.texi: Update documentation of loop optimizer
9276 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9277 -frerun-loop-opt): Remove.
9279 2006-02-26 Richard Guenther <rguenther@suse.de>
9281 PR tree-optimization/26421
9282 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9283 in function calls that are ADDR_EXPRs as using the whole structure.
9285 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9287 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9288 * tree-pass.h (pass_loop_optimize): Remove.
9289 * passes.c (pass_loop_optimize): Never run it.
9290 * toplev.c (backend_init): Don't call init_loop.
9291 * opts.c (flag_loop_optimize_set): Remove.
9292 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9293 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9294 the old RTL loop optimizer when profiling enabled.
9295 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9296 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9297 pre-headers for the sake of the old RTL loop optimizer.
9298 * Makefile.in: Remove all references to loop.o.
9300 * doc/invoke.texi: Remove all references to -floop-optimize
9301 and -frerun-loop-opt.
9303 2006-02-26 Zack Weinberg <zackw@panix.com>
9305 * doc/md.texi (Machine Constraints): Refer to all files with paths
9306 relative to gcc directory (i.e. config/CPU/file). Add missing
9307 @table @code ... @end table to M32C subsection.
9309 2006-02-26 Roger Sayle <roger@eyesopen.com>
9311 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9313 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9315 2006-02-26 Roger Sayle <roger@eyesopen.com>
9316 James A. Morrison <phython@gcc.gnu.org>
9319 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9320 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9321 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9322 signedness of the shift operation.
9324 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9326 PR tree-optimization/26359
9327 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9329 2006-02-25 Roger Sayle <roger@eyesopen.com>
9331 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9332 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9333 as X == 0, and some symmetry related transformations.
9334 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9336 2006-02-25 Roger Sayle <roger@eyesopen.com>
9339 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9340 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9341 symmetry related transformations. Fold (X^C1) == C2 as
9344 2006-02-25 Juergen Weigert <jw@suse.de>
9345 Richard Guenther <rguenther@suse.de>
9347 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9349 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9351 * combine.c (gen_lowpart_or_truncate): Call
9352 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9354 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9356 * doc/invoke.texi: Move -fopenmp description to "Options for
9358 Remove reference to -lgomp.
9360 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9362 * doc/install.texi: Require GNU tar version 1.14.
9364 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9366 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9367 * doc/invoke.texi (C++ Dialect Options): Document
9368 -fno-use-cxa-get-exception-ptr.
9369 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9370 * configure: Regenerate.
9371 * c.opt (fuse-cxa-get-exception-ptr): New.
9372 * c-opts.c (c_common_handle_option): Handle
9373 OPT_fuse_cxa_get_exception_ptr.
9374 * c-common.c (flag_use_cxa_atexit): Update documentation.
9375 (flag_use_cxa_get_exception_ptr): New.
9376 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9377 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9379 (C_COMMON_OVERRIDE_OPTIONS): New.
9381 2006-02-24 Roger Sayle <roger@eyesopen.com>
9384 * combine.c (try_combine): Explicitly check whether GET_CODE is
9385 a SET or a CLOBBER, instead on checking that it isn't a USE.
9387 2006-02-24 Roger Sayle <roger@eyesopen.com>
9389 * fold-const.c (fold_comparison): New subroutine of fold_binary
9390 containing transformations common to both the equality and
9391 ordering relational operators, factored out of fold_binary.
9392 (fold_binary): Separate out the equality operators (EQ_EXPR
9393 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9394 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9395 transformations common to both.
9396 (fold_div_compare): Fix latent bugs in the previously unreachable
9397 LT_EXPR and GE_EXPR cases.
9399 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9401 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9402 decl libname for clog to __clog on AIX.
9404 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9406 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9409 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9410 output traceback table for thunks. Localise rs6000_stack_info call.
9412 2006-02-23 Roger Sayle <roger@eyesopen.com>
9413 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9415 * gthr-posix.h (__gthrw): Fix typo in comment.
9417 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9419 * doc/cpp.texi (Character sets): Document that we do support
9420 input files to be in any character set.
9422 2006-02-23 Jeff Law <law@redhat.com>
9424 * tree.h (PHI_ARG_NONZERO): Remove.
9425 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9426 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9427 node to the new node.
9429 PR tree-optimization/26425
9430 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9431 min/max, then assume its varying.
9433 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9435 PR rtl-optimization/26316
9436 * rtlanal.c (enum may_trap_p_flags): New.
9437 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9438 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9439 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9440 (may_trap_after_code_motion_p): New function.
9441 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9442 (find_invariant_insn): Use may_trap_after_code_motion_p.
9443 * rtl.h (may_trap_after_code_motion_p): Declare.
9445 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9447 * emit-rtl.c (immed_double_const): Cleanup.
9449 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9451 Fix PR tree-optimization/26376
9452 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9455 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9458 * gimplify.c (omp_add_variable): Guard variable size decl test with
9459 DECL_SIZE (decl) check.
9461 2006-02-23 Richard Guenther <rguenther@suse.de>
9464 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9465 like aggregate types.
9467 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9469 * configure.ac: Add --with{,out}-long-double-128 configure option.
9470 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9471 * configure: Rebuilt.
9472 * config.in: Rebuilt.
9473 * doc/install.texi (Options specification): Document
9474 --with-long-double-128.
9476 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9477 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9478 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9479 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9481 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9483 * config/s390/s390.c (override_options): Handle
9484 TARGET_DEFAULT_LONG_DOUBLE_128.
9486 * config/alpha/alpha.c (override_options): Handle
9487 TARGET_DEFAULT_LONG_DOUBLE_128.
9489 * config/sparc/sparc.c (sparc_override_options): Handle
9490 TARGET_DEFAULT_LONG_DOUBLE_128.
9492 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9494 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9495 (real-install-headers-tar, real-install-headers-cpio)
9496 (real-install-headers-cp): New targets.
9498 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9500 * tree.h (variable_section): Delete.
9501 * varasm.c (variable_section): Delete.
9503 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9505 * install.texi: Add notes on install.texi2html.
9506 (Building in parallel): Do not use footnotes.
9508 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9511 * doc/install.texi (Configuration): Document --disable-libgomp.
9513 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9515 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9517 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9519 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9520 (vec_extractv2df_0_sse): New.
9522 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9524 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9525 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9526 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9527 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9528 to the result of the expression.
9529 (def_cfa_1): Adjust.
9530 (frame_pointer_cfa_offset): Rename to...
9531 (frame_pointer_fb_offset): ... this. Adjust all uses.
9532 (convert_cfa_to_loc_list): Rename to...
9533 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9534 Pass it on to build_cfa_loc.
9535 (compute_frame_pointer_to_cfa_displacement): Rename to...
9536 (compute_frame_pointer_to_fb_displacement): ... this. New
9537 offset parameter. Use it in computation.
9538 (gen_subprogram_die): Compute cfa_fb_offset with the new
9539 macro, and use it to compute the fb loc list and the
9542 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9544 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9545 replaced with register_operand.
9546 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9547 non-DREG is expensive.
9548 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9549 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9552 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9554 * doc/install.texi2html: Use set -e.
9556 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9558 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9559 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9560 * doc/invoke.texi (-fshared-data): Delete.
9561 * common.opt (fshared-data): Delete.
9562 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9563 (assemble_static_space): Remove #if 0 code.
9564 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9565 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9566 * config/cris/cris.h: Remove FIXME.
9568 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9570 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9573 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9576 * combine.c (simplify_shift_const_1): Disable nested shifts
9577 optimization for vector shifts.
9579 2006-02-20 Roger Sayle <roger@eyesopen.com>
9581 PR tree-optimization/26361
9582 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9583 of unsigned integer types.
9585 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9587 * tree-chrec.c (eq_evolutions_p): New.
9588 * tree-chrec.h (eq_evolutions_p): Declared.
9589 * tree-data-ref.c: Fix formatting.
9590 (datadep_stats, dependence_stats): New.
9592 (print_direction_vector): New.
9593 (dump_data_dependence_relation): Use print_direction_vector.
9594 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9595 (compute_subscript_distance): Static.
9596 (initialize_data_dependence_relation): Static. Get the number
9597 of loops surrounding the references from the callers, and initialize
9598 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9599 base_object_differ_p analyzers.
9600 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9601 compute_overlap_steps_for_affine_1_2,
9602 analyze_subscript_affine_affine): Count the classified dependences.
9603 Print a message when a test failed.
9604 (can_use_analyze_subscript_affine_affine): New.
9605 (analyze_siv_subscript): Compute the data dependences on symbolic
9606 scevs that verify can_use_analyze_subscript_affine_affine.
9607 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9608 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9609 Handle symbolic scevs.
9610 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9612 (subscript_dependence_tester): Moved...
9613 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9614 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9615 DDR_SIZE_VECT instead of getting it in parameter.
9616 (subscript_dependence_tester): ... here. Take as a parameter
9617 loop_nest_depth. Call build_classic_dist_vector and
9618 build_classic_dir_vector.
9619 (compute_affine_dependence): Update subscript_dependence_tester
9620 parameters. Update datadep_stats counters. Call
9621 compute_subscript_distance.
9622 (compute_self_dependence): Save the dist and dir vectors. Call
9623 compute_subscript_distance.
9624 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9625 (compute_all_dependences): Reorder parameters as they were before
9626 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9627 compute_subscript_distance. Update the use of
9628 compute_affine_dependence and initialize_data_dependence_relation.
9629 (find_data_references_in_loop): Handle COMPONENT_REF.
9630 (compute_data_dependences_for_loop): Initialize dependence_stats.
9631 Don't call build_classic_dist_vector and build_classic_dir_vector.
9632 Update the parameters of initialize_data_dependence_relation and
9633 compute_all_dependences. Print the statistics from datadep_stats.
9634 (analyze_all_data_dependences): Static. Not used until the pass for
9635 checking the data dependences is contributed.
9636 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9637 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9638 (initialize_data_dependence_relation, compute_affine_dependence,
9639 analyze_all_data_dependences, compute_subscript_distance): Removed.
9640 (print_direction_vector): New.
9641 * lambda.h (gcd): ... here.
9642 (lambda_vector_gcd): Moved here from gcd_vector.
9643 * lambda-code.c (gcd, gcd_vector): Removed.
9644 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9645 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9647 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9649 * ipa-type-escape.c: Tidy some comments and white space.
9650 * tree-ssa-operands.c: Likewise.
9652 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9655 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9656 (dump_decl_name): Do not walk the decl tree chains.
9657 * tree-pass.h (TDF_CHAIN): Remove.
9659 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9661 * Makefile.in (C): Remove
9663 (.PHONY): Remove C and PROTO
9665 2006-02-20 Roger Sayle <roger@eyesopen.com>
9668 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9669 deprecated CHAR_TYPE tree code.
9671 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9673 * configure.ac (target_list): Add install-info, dvi, html.
9674 * configure: Regenerate.
9676 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9677 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9678 treelang/Make-lang.in: Do not use double-colon rules.
9680 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9682 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9683 (TMT_USED_ALONE): New macro.
9684 * tree-pass.h (PROP_tmt_usage): New property.
9685 (TODO_update_tmt_usage): New todo.
9686 * tree-ssa-alias.c (updating_used_alone): New variable.
9687 (recalculate_used_alone): New function.
9688 (compute_may_aliases): Set updating_used_alone, call
9689 recalculate_used_alone.
9690 * tree-sra.c (pass_sra): Note that this pass destroys
9691 PROP_tmt_usage, and add TODO_update_tmt_usage.
9692 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9693 * tree-flow.h (updating_used_alone): Prototype.
9694 (recalculate_used_alone): Ditto.
9695 * passes.c (execute_todo): Add code to set updating_used_alone,
9696 and call recalculate.
9697 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9698 for clobber if used alone, and add assert to verify used_alone
9701 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9703 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9704 for non tls symbols added.
9705 (legitimize_address): Do nothing for PLUS expressions if one of the
9706 addends is a tls symbol reference.
9708 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9712 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9714 * Makefile.in (BOOTSTRAPPING): New.
9715 (quickstrap): New definition if BOOTSTRAPPING=yes.
9717 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9718 * configure.ac: Substitute all_selected_languages with the languages
9719 that were configured. For all the other variables except
9720 lang_specs_files, include all the languages in the tree.
9721 * configure: Regenerate.
9723 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9724 if there is one. Run the commands to run fixincludes in the same
9727 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9728 * doc/install.texi: Document exact conventions for searching target tools.
9729 Document --with-build-time-tools. Document toplevel bootstrap. Document
9730 something more about building an Ada cross-compiler. Don't list GNU Make
9731 requirements which affect all platforms.
9733 2006-02-19 Roger Sayle <roger@eyesopen.com>
9736 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9737 only equivalent if the have both the same mode and precision.
9739 2006-02-20 Ben Elliston <bje@au.ibm.com>
9741 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9743 2006-02-19 Roger Sayle <roger@eyesopen.com>
9744 Steven Bosscher <stevenb.gcc@gmail.com>
9746 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9747 constant pool references to identify stack mode constants.
9748 * rtlanal.c (constant_pool_constant_p): New predicate to check
9749 whether operand is a floating point constant in the pool.
9750 * rtl.h (constant_pool_constant_p): Prototype here.
9751 * loop.c (scan_loop): Avoid hoisting constants from the constant
9752 pool on STACK_REGS targets.
9753 (load_mems): Likewise.
9754 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9755 loads into x87 registers expensive in terms of register pressure.
9757 2006-02-19 Roger Sayle <roger@eyesopen.com>
9759 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9760 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9762 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9764 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9765 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9767 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9769 * doc/invoke.texi: Document -fipa-pta.
9770 * common.opt: Add ipa-pta option.
9771 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9772 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9773 (do_ds_constraint): Ditto.
9774 (get_constraint_for): Only add to referenced_vars if
9775 referenced_vars exists.
9776 (insert_into_field_list): Rewrite to do this unsorted.
9777 (insert_into_field_list_sorted): Rename old insert_into_field_list
9779 (create_function_info_for): Use insert_into_field_list_sorted.
9780 (create_variable_info_for): Rewrite so it uses unsorted version,
9781 since the field list is sorted.
9782 (intra_create_variable_infos): Only add to referenced_vars if
9783 referenced_vars exists.
9784 (ipa_pta_execute): Init heapvars, and delete when done.
9785 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9787 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9789 * doc/install.texi: Add missing `@samp'.
9791 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9793 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9796 2006-02-18 Mark Wielaard <mark@klomp.org>
9798 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9799 who added new 4.1 features, bug fixes and integration support.
9801 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9804 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9807 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9809 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9810 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9811 (copy_insn_1): Likewise. Don't copy each field individually.
9813 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9815 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9816 * rtl.c (rtx_size): Rename variable to...
9817 (rtx_code_size): ...this.
9818 (rtx_size): New function.
9819 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9820 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9822 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9823 * rtl.h (rtx_code_size): New variable.
9824 (rtx_size): Change from a variable to a function.
9825 (RTX_SIZE): Rename to...
9826 (RTX_CODE_SIZE): ...this.
9829 PR tree-optimization/17106
9830 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9831 (Anchored Addresses): New section.
9832 * doc/invoke.texi (-fsection-anchors): Document.
9833 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9834 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9835 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9836 * hooks.c (hook_bool_mode_rtx_false): New function.
9837 * hooks.h (hook_bool_mode_rtx_false): Declare.
9838 * gengtype.c (create_optional_field): New function.
9839 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9840 SYMBOL_REF_IN_BLOCK_P is true.
9841 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9842 (min_anchor_offset, max_anchor_offset): Likewise.
9843 (use_anchors_for_symbol_p): New hook.
9844 * toplev.c (compile_file): Call output_object_blocks.
9845 (target_supports_section_anchors_p): New function.
9846 (process_options): Check that -fsection-anchors is only used on
9847 targets that support it and when -funit-at-a-time is in effect.
9848 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9849 if the decl doesn't have one.
9850 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9851 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9852 of force_const_mem through use_anchored_address.
9853 (expand_expr_constant): New function.
9854 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9855 calling expand_expr for INDIRECT_REF.
9856 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9857 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9858 * expr.h (use_anchored_address): Declare.
9859 * loop-unroll.c: Don't declare rtx vectors here.
9860 * explow.c: Include output.h.
9861 (validize_mem): Call use_anchored_address.
9862 (use_anchored_address): New function.
9863 * common.opt (-fsection-anchors): New switch.
9864 * varasm.c (object_block_htab, anchor_labelno): New variables.
9865 (hash_section, object_block_entry_eq, object_block_entry_hash)
9866 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9867 (use_blocks_for_decl_p, change_symbol_section): New functions.
9868 (get_variable_section): New function, split out from assemble_variable.
9869 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9870 use_blocks_for_decl_p say so. Use change_symbol_section if the
9871 symbol has already been created.
9872 (assemble_variable_contents): New function, split out from...
9873 (assemble_variable): ...here. Don't output any code for
9874 block symbols; just pass them to place_block_symbol.
9875 Use get_variable_section and assemble_variable_contents.
9876 (get_constant_alignment, get_constant_section, get_constant_size): New
9877 functions, split from output_constant_def_contents.
9878 (build_constant_desc): Create a block symbol if use_object_blocks_p
9879 says so. Or into SYMBOL_REF_FLAGS.
9880 (assemble_constant_contents): New function, split from...
9881 (output_constant_def_contents): ...here. Don't output any code
9882 for block symbols; just pass them to place_section_symbol.
9883 Use get_constant_section and get_constant_alignment.
9884 (force_const_mem): Create a block symbol if use_object_blocks_p and
9885 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9886 (output_constant_pool_1): Add an explicit alignment argument.
9887 Don't switch sections here.
9888 (output_constant_pool): Adjust call to output_constant_pool_1.
9889 Switch sections here instead. Don't output anything for block symbols;
9890 just pass them to place_block_symbol.
9891 (init_varasm_once): Initialize object_block_htab.
9892 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9893 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9894 (place_block_symbol, get_section_anchor, output_object_block)
9895 (output_object_block_htab, output_object_blocks): New functions.
9896 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9897 (TARGET_ASM_OUT): Include it.
9898 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9899 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9900 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9901 (TARGET_INITIALIZER): Include them.
9902 * rtl.c (rtl_check_failed_block_symbol): New function.
9903 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9904 (block_symbol, object_block): New structures.
9905 (rtx_def): Add a block_symbol field to the union.
9906 (BLOCK_SYMBOL_CHECK): New macro.
9907 (rtl_check_failed_block_symbol): Declare.
9908 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9909 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9910 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9911 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9912 * output.h (output_section_symbols): Declare.
9913 (object_block): Name structure.
9914 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9915 (default_use_anchors_for_symbol_p): Declare.
9916 * Makefile.in (RTL_BASE_H): Add vec.h.
9917 (explow.o): Depend on output.h.
9918 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9919 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9920 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9921 (rs6000_use_blocks_for_constant_p): New function.
9923 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9925 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9927 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9930 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9933 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9935 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9939 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9942 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9943 instead of DECL_REGISTER.
9945 2006-02-18 Olivier Hainque <hainque@adacore.com>
9948 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9950 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9953 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9954 * opth-gen.awk: Handle Var and InverseMask together.
9955 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9956 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9957 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9958 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9960 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9961 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9962 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9963 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9964 LINUX_DYNAMIC_LINKER): Define.
9965 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9966 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9968 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9969 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9970 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9972 (TARGET_C99_FUNCTIONS): Don't define.
9973 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9974 GLIBC_DYNAMIC_LINKER.
9975 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9976 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9977 GLIBC_DYNAMIC_LINKER64): Define.
9978 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9979 LINUX_DYNAMIC_LINKER64.
9980 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9981 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9982 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9984 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9985 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9986 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9987 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9988 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9989 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9990 and LINUX_DYNAMIC_LINKER32.
9991 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9992 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9993 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9994 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9995 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9997 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9998 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9999 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10000 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10001 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10002 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10003 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10004 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10005 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10006 LINUX_DYNAMIC_LINKER): Define.
10007 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10008 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10009 GLIBC_DYNAMIC_LINKER64): Define.
10010 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10011 LINUX_DYNAMIC_LINKER64.
10012 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10013 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10014 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10015 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10016 LINUX_DYNAMIC_LINKER): Define.
10017 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10018 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10019 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10020 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10021 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10022 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10023 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10024 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10025 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10026 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10028 * doc/invoke.texi (-muclibc): Remove caveat about supported
10031 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10033 * doc/cpp.texi (__TIMESTAMP__): Document.
10035 2006-02-17 Roger Sayle <roger@eyesopen.com>
10037 PR middle-end/25600
10038 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10039 C is one less than the width of X (and related transformations).
10040 * simplify-rtx.c (simplify_unary_operation_1): Transform
10041 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10042 depending on STORE_FLAG_VALUE, were C is one less then the
10045 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10047 Fix PR tree-optimization/26341
10048 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10049 about NAME_MEMORY_TAG's.
10051 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10054 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10055 with hardware float support, and software float support. Add fcpy
10056 alternative to hardware patterns. Add alternatives to copy between
10057 general and floating-point registers to the 32-bit pattern.
10058 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10059 secondary reload to load a QI or HI mode constant into a floating
10061 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10062 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10064 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10067 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10069 (load_macho_picbase_di): Likewise.
10071 2006-02-16 Jeff Law <law@redhat.com>
10073 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10074 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10075 (ssa_name_nonzero_p): Likewise.
10076 (get_value_range): Return NULL if VRP is not running.
10077 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10078 VRP routines do not discover a range.
10079 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10080 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10081 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10082 (tree_expr_nonnegative_p): Similarly.
10083 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10084 (restore_nonzero_vars_to_original_value): Remove.
10085 (unsafe_associative_fp_binop): Remove.
10086 (tree_ssa_dominator_optimize): Remove initialization and
10087 finalization of nonzero_vars and nonzero_vars_stack.
10088 (dom_opt_initialize_block): No longer push marker on
10089 nonzero_vars_stack.
10090 (dom_opt_finalize_block): No longer call
10091 restore_nonzero_vars_to_original_value.
10092 (record_equivalences_from_phis): No longer look for
10093 nonzero PHI arguments.
10094 (cprop_into_successor_phis): No longer propagate nonzero
10095 property into PHI arguments. Lose unused argument. Caller
10097 (record_equivalences_from_stmt): No longer record nonzero
10098 values for SSA_NAMEs.
10099 (lookup_avail_expr): No longer use nonzero_vars.
10101 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10102 for sizetype when sizetype is unsigned.
10104 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10106 PR rtl-optimization/25603
10107 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10108 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10109 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10110 with new meaning of SETS.
10112 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10117 * config/linux.opt: New file.
10118 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10119 LINUX_DYNAMIC_LINKER): Define.
10120 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10121 * config.gcc (*-*-linux*): Define extra_options.
10122 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10123 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10124 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10125 GLIBC_DYNAMIC_LINKER.
10126 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10127 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10128 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10129 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10130 * doc/invoke.texi (GNU/Linux Options): New section.
10132 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10134 * config/sparc/sparc.md (setjmp): Rewrite.
10135 (setjmp_32): Delete.
10136 (setjmp_64): Likewise.
10138 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10140 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10143 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10145 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10148 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10150 PR rtl-optimization/26296
10151 * Makefile.in (loop-invariant.c): Add except.h dependency.
10152 * loop-invariant.c: Include except.h.
10153 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10155 2005-02-16 Paul Brook <paul@codesourcery.com>
10157 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10160 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10162 PR rtl-optimization/25636
10163 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10164 when deciding whether an insn is an initializing insn.
10166 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10168 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10169 (tree_code_size): Ditto.
10170 * tree.h (struct tree_memory_tag): Remove parent_var.
10171 (struct tree_struct_field_tag): New.
10174 (union tree_node): Add sft member.
10175 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10177 (create_sft): Add size and offset argument, set SFT_OFFSET and
10179 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10180 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10181 * tree-flow-inline.h (get_subvar_at): Update for
10182 SFT_OFFSET/SFT_SIZE.
10183 (var_can_have_subvars): Ditto.
10184 (overlap_subvar): Ditto.
10185 * print-tree.c (print_node): Print out interesting things for
10187 * tree-flow.h (struct subvar): Remove offset and size members.
10188 * tree-ssa-operands.c (get_expr_operands): Update for
10189 get_indirect_ref_operands changes.
10190 (get_indirect_ref_operands): Call add_virtual_operand instead of
10191 add_stmt_operand. Only recurse on base var if requested.
10192 (access_can_touch_variable): New function.
10193 (add_stmt_operand): Split virtual operand handling into ...
10194 (add_virtual_operand): Here. Add offset, size, and for_clobber
10195 arguments. Prune alias sets.
10196 (add_call_clobber_ops): Call add_virtual_operand.
10198 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10200 PR middle-end/26300
10201 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10203 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10204 than TREE_CODE as index into omp_clause_num_ops array.
10206 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10208 PR rtl-optimization/26184
10209 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10211 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10212 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10213 must_precede, must_follow and tobe_scheduled.
10216 * opts.c (common_handle_option): Free new_option pointer.
10217 * df-core.c (df_analyze): Free postorder pointer.
10219 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10221 * Makefile.in: Fix the examples about the use of stamps
10223 2006-02-15 Michael Matz <matz@suse.de>
10225 PR middle-end/22275
10227 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10228 influenced by maximum_field_alignment or DECL_PACKED.
10229 (update_alignment_for_field): Ditto.
10230 (place_field): Ditto.
10231 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10234 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10236 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10237 (debug_flow_info): Pass it.
10238 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10239 * bb-reorder.c (reorder_basic_blocks): Likewise.
10240 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10241 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10242 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10243 * gcse.c (gcse_main, bypass_jumps): Likewise.
10244 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10245 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10246 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10247 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10248 * rtl.h (dump_flow_info): Adjust prototype.
10249 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10250 * var-tracking.c (variable_tracking_main): Likewise.
10251 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10252 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10255 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10257 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10260 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10262 PR tree-optimization/26209
10263 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10264 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10266 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10268 2006-02-14 Roger Sayle <roger@eyesopen.com>
10270 PR middle-end/23670
10271 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10272 (X,Y) and the corresponding symmetry related transformations.
10273 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10274 (X,Y) and its symmetry related transformations.
10276 2006-02-14 Roger Sayle <roger@eyesopen.com>
10278 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10281 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10283 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10285 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10288 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10289 support COMDAT group.
10290 * configure: Regenerate.
10292 2006-02-14 Roger Sayle <roger@eyesopen.com>
10294 PR middle-end/26279
10295 PR middle-end/26280
10296 PR middle-end/26283
10297 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10299 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10301 Fix PR tree-optimization/26260
10303 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10305 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10306 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10307 * tree-ssa-structalias.c (create_variable_info_for): Use
10308 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10310 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10312 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10314 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10315 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10316 of the ending condition.
10317 * tree-ssa-loop-manip.c: Include params.h.
10318 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10319 tree_unroll_loop): New functions.
10320 * tree-pass.h (pass_loop_prefetch): Declare.
10321 * loop.c (rest_of_handle_loop_optimize): Test for
10322 -fprefetch-loop-arrays-rtl.
10323 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10324 * timevar.def (TV_TREE_PREFETCH): New timevar.
10325 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10326 pass_loop_prefetch): New.
10327 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10328 (cleanup_tree_cfg_loop): Call scev_reset.
10329 * common.opt (fprefetch-loop-arrays-rtl): Add.
10330 * tree-ssa-loop-prefetch.c: New file.
10331 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10332 (new_temp_expr_table): Initialize expr_vars.
10333 (free_temp_expr_table): Cleanup expr_vars.
10334 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10335 expressions from being merged into one.
10336 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10337 (struct tree_niter_desc): Add control, bound and cmp fields.
10338 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10340 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10341 (tree-cfgcleanup.o): Add SCEV_H dependency.
10342 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10343 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10345 2006-02-14 Richard Guenther <rguenther@suse.de>
10347 PR tree-optimization/26258
10348 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10349 in PHI argument processing.
10351 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10353 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10354 new expression in the requested machine mode.
10356 2006-02-13 Roger Sayle <roger@eyesopen.com>
10358 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10359 directly, instead let do_compare_rtx_and_jump handle this for us.
10360 * expr.c (expand_expr_real_1): Likewise.
10361 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10362 before do_jump_by_parts_greater.
10363 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10364 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10366 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10368 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10370 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10372 PR rtl-optimization/26235
10373 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10374 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10377 2006-02-13 Jeff Law <law@redhat.com>
10379 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10382 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10384 PR middle-end/26092
10385 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10386 twice if decl is a builtin. When trying again, call get_callee_fndecl
10387 first to verify it is still a builtin.
10389 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10391 * dwarf2out.c (base_type_die): Don't add AT_name here.
10392 (subrange_type_die): Don't add AT_name here.
10393 (modified_type_die): Rearrange code flow. Do add AT_name here.
10395 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10397 PR rtl-optimization/26247
10398 PR rtl-optimization/26248
10399 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10401 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10403 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10404 * config/fixtfdi.c: Likewise.
10405 * config/fixunstfdi.c: Likewise.
10406 * config/floatditf.c: Likewise.
10408 2006-02-13 Roger Sayle <roger@eyesopen.com>
10410 PR middle-end/24427
10411 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10412 into (X,C2) if C1 is a subset of the bits of C2. Transform
10413 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10415 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10417 2006-02-13 Josh Conner <jconner@apple.com>
10420 * varasm.c (function_section): Check for section name before
10421 calling select_section on targets that define
10422 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10423 unlikely_text_section instead of hot_function_section if
10424 first_function_block_is_cold.
10426 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10428 PR middle-end/25335
10429 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10431 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10433 PR rtl-optimization/26222
10434 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10435 after tree->rtl expansion.
10436 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10437 before passing it to emit_move_insn.
10439 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10441 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10443 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10444 Clarify documentation.
10445 * c-common.h (warn_write_strings): Remove.
10446 * c-common.c (warn_write_strings): Likewise.
10447 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10450 2006-02-12 Roger Sayle <roger@eyesopen.com>
10452 PR middle-end/25724
10453 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10454 (do_jump_parts_zero_rtx): New function renamed from
10455 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10456 (do_jump_parts_equality_rtx): New function split out from
10457 do_jump_parts_equality. Old implementation renamed as above.
10458 Call do_jump_parts_zero_rtx if either operand is zero.
10459 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10460 do all of the heavy lifting.
10461 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10462 calling either do_jump_by_parts_greater_rtx or
10463 do_jump_by_parts_equality_rtx.
10464 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10465 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10466 moved to do_compare_rtx_and_jump, call it directly.
10467 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10468 mode argument. Call do_compare_rtx_and_jump.
10469 (emit_case_nodes): Update calls to do_jump_if_equal.
10471 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10473 PR rtl-optimization/26225
10474 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10476 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10478 PR rtl-optimization/26232
10479 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10481 2006-02-11 Jason Merrill <jason@redhat.com>
10484 * tree-inline.c (declare_return_variable): Just don't use the
10485 modify target if it's a gimple complex reg and the return slot
10488 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10490 * doc/contrib.texi: Update my entry.
10492 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10494 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10496 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10498 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10501 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10503 * doc/invoke.texi (-floop-optimize2): Removed.
10504 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10505 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10506 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10507 * common.opt (floop-optimize2): Removed.
10508 (fmove-loop-invariants): Enabled by default.
10510 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10512 * tree-if-conv.c (combine_blocks): Free the result of
10513 get_loop_exit_edges.
10515 2006-02-10 Jeff Law <law@redhat.com>
10517 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10519 PR tree-optimization/26213
10520 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10521 loop trying to follow SSA_NAME_VALUE chains.
10523 2006-02-10 Richard Guenther <rguenther@suse.de>
10525 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10526 deal with structures that end in implicitly variable sized arrays.
10528 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10530 PR rtl-optimization/24762
10531 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10534 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10536 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10537 (struct ivopts_data): Add regs_used field.
10538 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10539 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10540 instead of loop_data->regs_used;
10541 (free_loop_data): Do not free aux fields for loops.
10542 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10543 and tree_ssa_iv_optimize_finalize.
10545 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10547 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10549 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10552 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10553 computing the effective result type.
10555 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10557 PR inline-asm/16194
10558 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10559 (tree_overlaps_hard_reg_set): Declare.
10560 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10561 type and signature to match function type expected by walk_tree.
10562 (tree_overlaps_hard_reg_set): New function.
10563 (decl_conflicts_with_clobbers_p): Rename to:
10564 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10565 Use tree_overlaps_hard_reg_set. Changed caller.
10566 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10567 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10568 * cris.c (cris_md_asm_clobbers): Likewise.
10570 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10572 * reload1.c (emit_input_reload_insns): Delete code that tries to
10573 inherit using find_equiv_reg.
10575 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10577 * c-common.h (flag_const_strings): Don't declare.
10578 * c-common.c (flag_const_strings): Remove.
10579 * c.opt (fconst_strings): Remove.
10580 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10581 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10582 (c_common_init_options): Don't set flag_const_strings.
10583 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10585 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10587 * arm.md (tlobits_cbranch): New pattern.
10588 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10589 testing a single bit.
10591 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10594 * tree-ssa-pre.c (create_component_ref_by_pieces):
10595 Handle RETURN_DECL like VAR_DECL.
10597 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10599 PR middle-end/26134
10600 * fold-const.c (fold_indirect_ref_1): Fold
10601 "*(foo *)&complexfoo" to "__real__ complexfoo"
10602 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10604 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10606 * tree-flow-inline.h (var_can_have_subvars):
10607 Volatile variables should not have subvariables.
10609 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10612 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10613 multiplying unsigned values.
10616 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10618 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10620 2006-02-08 Jason Merrill <jason@redhat.com>
10623 * tree.def: Elaborate on difference from MODIFY_EXPR.
10624 * doc/c-tree.texi (INIT_EXPR): Likewise.
10625 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10626 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10627 (gimplify_target_expr): Likewise.
10628 (gimplify_cond_expr): Remove target handling.
10629 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10630 (gimplify_expr): Clobber it here.
10631 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10632 Do return slot optimization if we have an INIT_EXPR.
10635 * tree-inline.c (declare_return_variable): Also clear
10636 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10639 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10641 PR middle-end/22439
10642 * gimplify.c (gimplify_one_sizepos): Fix typo.
10644 2006-02-08 Jeff Law <law@redhat.com>
10646 PR tree-optimization/21417
10647 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10648 across a backedge if the control statement at the end of the
10649 block is data dependent on other statements in the same block.
10650 (record_temporary_equivalences_from_stmts): Remove over-conservative
10651 test for threading across backedges.
10653 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10654 control statement, handle all three special cases in the same
10655 manner as they all have the same desired solution. No longer
10656 special case edge flag updating when the post dominator is
10659 2006-02-08 Roger Sayle <roger@eyesopen.com>
10661 * tree.def (CHAR_TYPE): Remove.
10662 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10663 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10664 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10665 (gen_string_type_die): Delete unreachable function.
10667 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10668 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10669 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10670 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10671 * builtins.c (type_to_class): Likewise.
10672 * fold-const.c (fold_convert, build_range_check,
10673 merge_ranges): Likewise.
10674 * expr.c (count_type_elements): Likewise.
10675 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10676 * stor-layout.c (layout_type): Likewise.
10677 * ipa-type-escape.c (type_to_consider): Likewise.
10678 * gimplify.c (omp_firstprivatize_type_sizes,
10679 gimplify_type_sizes): Likewise.
10680 * explow.c (promote_mode): Likewise.
10681 * tree-sra.c (is_sra_scalar_type): Likewise.
10682 * varasm.c (output_constant): Likewise.
10683 * tree-inline.c (remap_type_1): Likewise.
10684 * convert.c (convert_to_pointer, convert_to_real,
10685 convert_to_integer, convert_to_complex): Likewise.
10687 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10689 * df-scan.c (df_def_record_1): A set destination may
10690 be a parallel regardless of mode.
10692 2006-02-08 Roger Sayle <roger@eyesopen.com>
10695 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10696 * config/mips/_tilib.c: Remove.
10697 * config/fixtfdi.c: New libgcc source file.
10698 * config/fixunstfdi.c: New source file.
10699 * config/floatditf.c: New source file.
10700 * config/floatunditf.c: New souce file.
10701 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10702 files above instead of config/mips/_tilib.c.
10703 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10705 2006-02-08 Jeff Law <law@redhat.com>
10707 PR tree-optimization/26169
10708 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10711 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10713 * df.h (DF_REG_SIZE): Return the length of the initialized
10716 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10718 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10719 __muldf3): Return a correctly signed zero.
10721 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10723 * passes.c (register_one_dump_file): Accept the current properties
10724 instead of pass number. Adjust call to dump_register. Remove
10726 (register_dump_files): Now a wrapper around...
10727 (register_dump_files_1): ... this one. Do not modify the pass
10729 (next_pass_1): Cosmetic fix.
10730 (execute_todo): Keep second parameter only. Use curr_properties
10731 instead of fetching it from the pass structure. Check and set
10733 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10734 instead of fetching it from the pass structure. Fix calls to
10735 execute_todo. Update curr_properties and initialize .vcg RTL dump
10736 after running the pass. Reset last_verified.
10737 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10739 (FIRST_AUTO_NUMBERED_DUMP): New.
10740 (dump_register): Remove "num" parameter, assign it within the
10742 (get_dump_file_name): Modify template for dumps.
10743 * tree-dump.h (dump_register): Adjust prototype.
10744 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10745 (PROP_trees): Add PROP_gimple_lomp.
10746 (TODO_set_props): New.
10747 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10748 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10749 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10751 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10753 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10754 (sparc64-*-linux*): Likewise.
10755 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10756 * config/sparc/t-linux: New file.
10757 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10758 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10759 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10760 -m32 -mlong-double-128.
10762 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10763 * config/alpha/t-linux: New file.
10764 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10766 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10767 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10768 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10769 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10770 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10771 (CPP_ARCH32_SPEC): Remove.
10773 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10775 PR tree-optimization/26145
10776 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10779 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10782 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10783 >= 240000 when generating code for SOM runtime.
10784 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10785 to $$dyncall when generating code for SOM runtime..
10787 2006-02-07 Dirk Mueller <dmueller@suse.com>
10790 * doc/invoke.texi (-Wsequence-point): Update documentation
10791 that -Wsequence-point is implemented for C++ as well.
10793 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10795 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10796 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10797 (LIB_SPEC): Likewise.
10798 * doc/invoke.texi (SPARC options): Document -pthread.
10800 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10802 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10805 2006-02-07 Roger Sayle <roger@eyesopen.com>
10807 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10808 Correct comment describing BOOLEAN_TYPE.
10810 2006-02-07 Dirk Mueller <dmueller@suse.com>
10812 * c.opt: C++ frontend supports -Wdiv-by-zero.
10813 * c-opts.c (c_common_handle_option): Remove dead case.
10815 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10817 * configure.ac (TLS assembler check): Do not enable TLS by
10818 default on SPARC/Solaris before version 10.
10819 * configure: Regenerate.
10821 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10823 * doc/invoke.texi (xl-compat): Document conversion and support
10826 2006-02-07 Jeff Law <law@redhat.com>
10828 * tree-vrp.c (find_conditional_asserts): Update comments.
10829 (simplify_stmt_for_jump_threading): New.
10830 (identify_jump_threads, finalize_jump_threads): New.
10831 (vrp_finalize): Call identify_jump_threads.
10832 (execute_vrp): Call finalize_jump_threads.
10833 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10834 (vrp_element, vrp_data, vrp_element_p): Remove.
10835 (vrp_hash_elt, vrp_variables_stack): Remove.
10836 (vrp_hash, vrp_eq, record_range): Remove.
10837 (simplify_cond_and_lookup_avail_expr): Remove.
10838 (extract_range_from_cond): Remove.
10839 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10840 (simplify_stmt_for_jump_threading): New.
10841 (dom_thread_across_edge): New wrapper.
10842 (tree_ssa_dominator_optimize): No longer initialize or
10843 finalize any of the VRP datastructures. Remove iteration
10844 step and simplify as a result of removal of iteration step.
10845 (pass_dominator): Perform a cfg cleanup after DOM.
10846 (dom_opt_finalize_block): Use the new common routines
10847 for threading jumps. Simplify stack management slightly.
10848 No longer need to unwind VRP state.
10849 (record_equivalences_from_incoming_edge): No longer record
10851 (eliminate_redundant_computations): No longer call
10852 simplify_cond_and_lookup_avail_expr.
10853 * tree-flow.h (potentially_threadable_block): Prototype.
10854 (thread_across_edge): Likewise.
10855 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10856 (tree-ssa-threadedge.o): Add dependencies.
10857 * tree-ssa-threadedge.c: New file.
10858 * passes.c (init_optimization_passes): Merge PHIs before
10859 calling VRP. Run VRP again late in the SSA optimization pipeline.
10861 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10863 * df-core.c (df_set_blocks): Do not dereference function pointers.
10864 (df_finish1): Likewise.
10865 (df_hybrid_search_forward): Likewise.
10866 (df_hybrid_search_backward): Likewise.
10867 (df_iterative_dataflow): Likewise.
10868 (df_analyze_problem): Likewise.
10869 (df_compact_blocks): Likewise.
10870 (df_dump): Likewise.
10871 * df-scan.c (df_rescan_blocks): Likewise.
10872 (df_record_entry_block_defs): Likewise.
10874 * genconditions.c (write_conditions): Guard the definition of
10875 'insn_conditions' with the check on GCC version.
10876 (write_writer): Guard the traversal 'insn_conditions' with
10877 the check on GCC version.
10879 2006-02-07 Richard Guenther <rguenther@suse.de>
10883 2006-01-30 Richard Guenther <rguenther@suse.de>
10885 * gimplify.c (gimplify_target_expr): Handle easy cases
10886 without creating a temporary.
10888 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10890 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10891 use of float in probability computations. Use edge probabilities
10892 in place of statically computed probabilities.
10893 (min_spec_prob): New static variable.
10894 (schedule_insns): Initialize it.
10895 (GET_SRC_PROB): Removed.
10896 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10898 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10901 * config/ia64/unwind-ia64.c: Revert last change.
10902 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10903 (INCOMING_FRAME_SP_OFFSET): Define.
10905 2006-02-06 Roger Sayle <roger@eyesopen.com>
10907 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10909 2006-02-07 Ben Elliston <bje@au.ibm.com>
10911 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10912 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10913 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10914 (ix86_return_in_memory): Handle TDmode.
10915 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10916 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10918 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10920 * reorg.c (dbr_schedule): Use dump_file instead of file.
10922 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10925 * config/ia64/predicates.md (extr_len_operand): New predicate.
10926 * config/ia64/ia64.md (extv): Tighten constraints.
10928 (*tbit_and_2): Ditto.
10929 (*tbit_and_3): Ditto.
10930 (*tbit_or_2): Ditto.
10931 (*tbit_or_3): Ditto.
10932 (*bit_zero): Ditto.
10935 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10938 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10940 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10942 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10943 loop_optimizer_init and loop_optimizer_finalize
10944 * tree-ssa-sink.c (execute_sink_code): Ditto.
10945 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10946 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10947 tree_ssa_loop_done): Ditto.
10948 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10949 * sched-ebb.c: Include output.h.
10950 (schedule_ebbs): Do not use dump argument.
10951 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10952 * loop.c (loop_dump_stream): Removed.
10953 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10955 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10956 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10957 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10958 loop_iterations, strength_reduce, record_biv, record_giv,
10959 final_giv_value, check_final_value, check_ext_dependent_givs,
10960 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10961 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10962 dump_file instead of loop_dump_stream.
10963 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10964 argument dump_file.
10965 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10967 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10968 * haifa-sched.c: Include output.h
10969 (schedule_insns, sched_init): Do not use dump argument.
10970 * mode-switching.c (optimize_mode_switching): Ditto.
10971 * modulo-sched.c (stats_file): Removed.
10972 (print_node_sched_params): Do not call argument dump_file.
10973 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10974 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10976 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10978 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10979 rtl_loop_init, rtl_loop_done): Ditto.
10980 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10981 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10983 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10984 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10985 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10986 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10987 * emit-rtl.c (renumber_insns): Ditto.
10988 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10989 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10990 * regclass.c (regclass): Ditto.
10991 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10992 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10993 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10994 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10996 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10997 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10999 * gcse.c (gcse_file, debug_stderr): Removed.
11000 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11001 rest_of_handle_gcse): Do not use dump argument.
11002 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11003 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11004 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11005 compute_code_hoist_vbeinout, compute_code_hoist_data,
11006 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11007 compute_store_table, build_store_vectors, insert_insn_start_bb,
11008 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11009 store_motion): Use dump_file instead of gcse_file.
11010 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11011 * profile.c (profile_dump_file): Removed.
11012 (branch_prob): Use dump_file instead of profile_dump_file.
11013 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11015 * tree-ssa-copy.c (dump_copy_of): Ditto.
11016 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11017 dump file to life_analysis.
11018 * bt-load.c (branch_target_load_optimize): Ditto.
11019 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11021 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11022 regclass, dbr_schedule): Declaration changed.
11023 * sched-int.h (sched_init): Declaration changed.
11024 * tree-profile.c (tree_profile_dump_file): Removed.
11025 (tree_profile_hooks): Removed profile_dump_file hook.
11026 * rtl-profile (rtl_profile_dump_file): Removed.
11027 (rtl_profile_hooks): emoved profile_dump_file hook.
11028 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11030 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11031 * tree-cfg.c (build_tree_cfg): Ditto.
11032 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11033 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11034 Declaration changed.
11035 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11036 life_analysis and schedule_insns.
11037 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11039 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11041 * config/mips/mips.c (mips_reorg): Ditto.
11042 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11045 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11047 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11048 (s390_mangle_fundamental_type): New.
11049 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11052 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11053 (alpha_mangle_fundamental_type): New.
11054 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11057 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11059 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11061 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11062 (sparc_mangle_fundamental_type): New.
11064 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11066 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11067 (s390x-*-linux*): Likewise.
11068 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11069 * config/s390/t-linux: New file.
11071 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11073 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11074 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11076 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11078 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11079 (ANTIC_SAFE_LOADS): New macro.
11080 (find_or_generate_expression): Add prototype.
11081 (set_contains_value): Allow null set for sake of not always having
11082 to allocate ANTIC_SAFE_LOADS.
11083 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11084 Allow COMPONENT_REF too.
11085 (valid_in_set): Allow COMPONENT_REF.
11086 Check ANTIC_SAFE_LOADS too.
11087 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11088 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11090 (can_PRE_operation): Add COMPONENT_REF.
11091 (create_component_ref_by_pieces): New function.
11092 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11093 (insert_aux): Move AGGREGATE_TYPE_P check here.
11094 (compute_avail): Set bb local stmt uids.
11095 (pass_pre): Use TODO_update_ssa_only_virtuals.
11097 2006-02-06 Ben Elliston <bje@au.ibm.com>
11099 * configure.ac: Unconditionally disable decimal float by default.
11100 * configure: Regenerate.
11102 2006-02-06 Ben Elliston <bje@au.ibm.com>
11104 * read-rtl.c (read_name): Terminate reading on EOF.
11106 2006-02-06 Ben Elliston <bje@au.ibm.com>
11108 * dfp.c (decimal_real_arithmetic): Change second argument type
11109 from int to enum tree_code. Do not always return true, but now
11110 return result of any call to decimal_do helper functions.
11111 * dfp.h (decimal_real_arithmetic): Update prototype.
11113 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11115 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11117 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11120 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11123 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11125 * tree-vrp.c (cfg_loops): Removed.
11126 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11127 Use current_loops instead of cfg_loops. Pass flags to
11128 loop_optimizer_init.
11129 * cfgloopmanip.c (fix_loop_structure): Update only available
11131 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11132 loop_optimizer_init.
11133 * modulo-sched.c (build_loops_structure): Removed.
11134 (sms_schedule): Use loop_optimizer_init.
11135 * loop-init.c (loop_optimizer_init): Use flags to determine
11136 which properties of loops to prepare.
11137 (rtl_loop_init): Pass flags to loop_optimizer_init.
11138 * tree-ssa-sink.c (execute_sink_code): Ditto.
11139 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11140 * tree-ssa-pre.c (init_pre): Ditto.
11141 * cfgloop.h (LOOPS_NORMAL): New.
11142 (loop_optimizer_init): Declaration changed.
11144 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11146 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11147 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11149 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11151 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11153 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11154 * pa/t-pa64: Delete quadlib.c rule.
11155 * pa/x-ada: Revert last change.
11156 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11158 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11160 PR rtl-optimization/26087
11161 * rtlanal.c (canonicalize_condition): Do not cross basic block
11164 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11167 * config/ia64/ia64.c: Include debug.h.
11168 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11169 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11170 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11171 (process_epilogue, process_set, process_for_unwind_directive):
11172 Output unwind info only if requested. Add CFA info if requested.
11173 Add new arguments as needed. Adjust callers.
11174 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11176 (DWARF2_FRAME_INFO): Define to zero.
11177 * config/ia64/unwind-ia64.c: Remove code that compensated for
11178 the CFA offset error fixed above.
11179 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11180 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11181 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11182 -funwind-tables and -fexceptions to enable frame info.
11183 (dwarf2out_frame_init): Define initial CFA even if
11184 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11185 DWARF2_UNWIND_INFO is nonzero, not just defined.
11186 (dwarf2out_frame_finish): Output non-EH call frame info only
11187 if DWARF2_FRAME_INFO is nonzero.
11188 (convert_cfa_to_loc_list,
11189 compute_frame_pointer_to_cfa_displacement): Define even if
11190 unwind info is not supported.
11191 (gen_subprogram_die): Use the above unconditionally. Remove
11192 legacy alternate code.
11193 * toplev.c (compile_file): Compile in call to
11194 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11195 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11197 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11198 Jakub Jelinek <jakub@redhat.com>
11200 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11201 IBM extended float format long double as "g" on powerpc*-linux.
11203 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11206 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11207 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11209 2006-02-03 Jason Merrill <jason@redhat.com>
11212 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11214 PR middle-end/25977
11215 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11216 on the return slot if it's an NRV.
11218 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11220 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11221 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11222 rewrite_use): Do not handle USE_OUTER.
11223 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11224 add_iv_outer_candidates, may_replace_final_value,
11225 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11226 (find_interesting_uses_op): Functionality of
11227 find_interesting_uses_outer_or_nonlin moved here.
11228 (find_interesting_uses_outside): Use find_interesting_uses_op.
11230 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11233 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11235 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11236 Ulrich Weigand <uweigand@de.ibm.com>
11239 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11240 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11241 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11242 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11244 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11245 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11246 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11247 Define secondary reloads for TFmode moves.
11248 (constant_modes): Add TFmode.
11249 (NR_C_MODES): Set to 8.
11250 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11252 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11253 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11254 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11255 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11256 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11257 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11258 (FPR mode macro): Add TFmode.
11259 (DSF mode macro): New.
11260 (<de>, <dee> mode attributes): Removed.
11261 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11262 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11263 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11264 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11265 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11266 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11267 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11268 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11269 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11270 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11271 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11272 "*negabs<mode>2", "sqrt<mode>2"):
11273 Changed <de> to <xde>. R constraint replaced by <Rf>.
11274 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11276 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11277 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11278 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11280 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11281 "extenddftf2", "extendsftf2"): New expanders.
11282 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11283 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11284 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11285 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11287 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11288 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11289 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11290 __floatditf): Add a GCC_4.1.0 symbol version tag.
11291 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11294 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11297 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11298 Use targetm.binds_local_p instead of TREE_PUBLIC.
11300 2006-02-02 Roger Sayle <roger@eyesopen.com>
11302 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11303 on INTEGER_TYPEs to indicate that it denotes a character type.
11304 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11305 signed_char_type_node, unsigned_char_type_node and char_type_node.
11306 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11307 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11308 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11310 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11311 Daniel Berlin <dberlin@dberlin.org>
11313 * tree-tailcall.c (arg_needs_copy_p): New function.
11314 (eliminate_tail_call): Use arg_needs_copy_p.
11315 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11316 (add_virtual_phis): New function.
11318 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11320 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11321 #ignore instead of #scratch for %g7 .register directive.
11323 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11325 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11328 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11330 * flow.c (calculate_global_regs_live): Assert that there aren't any
11333 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11335 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11336 what its name says.
11337 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11338 bsi_after_labels iterator.
11339 * tree-if-conv.c (find_phi_replacement_condition,
11340 replace_phi_with_cond_modify_expr): Likewise.
11341 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11342 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11344 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11346 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11348 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11351 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11352 array after growing it.
11354 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11356 PR middle-end/24901
11357 * fold-const.c (fold_checksum_tree): Change type of buf.
11359 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11361 * reload.c (push_secondary_reload): Initialize t_icode.
11363 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11365 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11366 -msoft-float -mlong-double-128 only issue a warning, but don't
11367 swich to DFmode long double.
11369 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11371 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11372 has a constant equivalent, iterate over equivalents for arg0,
11373 calling simplify_relational_operation and if there's a result
11374 cheaper than X, apply fold_rtx and return the result.
11376 2006-02-01 Jan Hubicka <jh@suse.cz>
11378 * opts.c (no_unit_at_a_time_default): New global variable.
11379 (decode_options): Use it.
11380 * opts.h (no_unit_at_a_time_default): Declare.
11382 2006-02-01 Paul Brook <paul@codesourcery.com>
11384 * function.c (assign_parm_setup_reg): Use function argument promotion
11386 * expr.c (expand_expr_real_1): Use function argument promotion rules
11389 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11391 * gcc.c (process_command): Change j to 'unsigned int'.
11393 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11395 PR middle-end/26001
11396 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11397 Use the corrected index for the character
11398 out of the string constant.
11400 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11402 * mode-switching.c (optimize_mode_switching): Fix size
11403 allocated for bb_info[n_entities].
11405 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11407 * gcc.c (main): Correct type that is allocated for
11408 explicit_link_files.
11410 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11412 * config/s390/s390.c (init_alignment_context): Set
11413 ALIAS_SET_MEMORY_BARRIER on the MEM.
11414 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11416 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11418 PR middle-end/25933
11419 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11421 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11424 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11426 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11427 * regrename.c: Ditto.
11428 * tree-ssa-loop-im.c: Ditto.
11429 * tree-dump.c: Ditto.
11430 * tree-complex.c: Ditto.
11431 * genrecog.c: Ditto.
11432 * tree-ssa-threadupdate.c: Ditto.
11434 * java/class.c: Ditto.
11435 * java/jcf-parse.c: Ditto.
11436 * java/resource.c: Ditto.
11437 * java/except.c: Ditto.
11438 * java/jvspec.c: Ditto.
11439 * java/jcf-write.c: Ditto.
11440 * java/jcf-path.c: Ditto.
11441 * java/gjavah.c: Ditto.
11442 * java/zextract.c: Ditto.
11443 * java/jcf-io.c: Ditto.
11444 * java/jcf.h: Ditto.
11445 * java/buffer.c: Ditto.
11446 * java/lang.c: Ditto.
11447 * java/parse-scan.y: Ditto.
11448 * java/lex.c: Ditto.
11449 * java/lex.h: Ditto.
11450 * cfgloopmanip.c: Ditto.
11451 * postreload-gcse.c: Ditto.
11452 * tree-ssa-loop-manip.c: Ditto.
11453 * postreload.c: Ditto.
11454 * tree-ssa-loop-ch.c: Ditto.
11457 * cppspec.c: Ditto.
11458 * diagnostic.c: Ditto.
11460 * genoutput.c: Ditto.
11462 * cfghooks.c: Ditto.
11463 * cfgloopanal.c: Ditto.
11464 * objc/objc-act.c: Ditto.
11466 * genextract.c: Ditto.
11467 * genautomata.c: Ditto.
11468 * pretty-print.c: Ditto.
11469 * genemit.c: Ditto.
11470 * cgraphunit.c: Ditto.
11472 * df-scan.c: Ditto.
11473 * haifa-sched.c: Ditto.
11474 * dominance.c: Ditto.
11476 * tree-ssa-loop-ivopts.c: Ditto.
11477 * df-core.c: Ditto.
11478 * mode-switching.c: Ditto.
11479 * modulo-sched.c: Ditto.
11481 * ipa-pure-const.c: Ditto.
11483 * fix-header.c: Ditto.
11485 * tree-stdarg.c: Ditto.
11486 * ipa-utils.c: Ditto.
11487 * loop-init.c: Ditto.
11488 * ipa-inline.c: Ditto.
11489 * cfganal.c: Ditto.
11491 * alloc-pool.c: Ditto.
11492 * dwarf2out.c: Ditto.
11494 * genattrtab.c: Ditto.
11495 * tree-ssa-loop-ivcanon.c: Ditto.
11496 * predict.c: Ditto.
11497 * timevar.c: Ditto.
11499 * fortran/gfortranspec.c: Ditto.
11500 * regmove.c: Ditto.
11501 * local-alloc.c: Ditto.
11502 * langhooks.c: Ditto.
11503 * function.c: Ditto.
11504 * tree-vectorizer.c: Ditto.
11506 * ipa-type-escape.c: Ditto.
11508 * tree-if-conv.c: Ditto.
11509 * profile.c: Ditto.
11511 * tree-data-ref.c: Ditto.
11512 * loop-unroll.c: Ditto.
11513 * treelang/treetree.c: Ditto.
11515 * bt-load.c: Ditto.
11516 * ggc-common.c: Ditto.
11518 * coverage.c: Ditto.
11520 * tree-cfgcleanup.c: Ditto.
11521 * tree-ssa-pre.c: Ditto.
11522 * cfgcleanup.c: Ditto.
11523 * loop-invariant.c: Ditto.
11524 * loop-iv.c: Ditto.
11525 * ipa-prop.c: Ditto.
11526 * print-tree.c: Ditto.
11527 * conflict.c: Ditto.
11528 * ggc-page.c: Ditto.
11529 * sched-deps.c: Ditto.
11530 * regclass.c: Ditto.
11531 * tree-object-size.c: Ditto.
11532 * combine.c: Ditto.
11533 * bb-reorder.c: Ditto.
11534 * resource.c: Ditto.
11535 * var-tracking.c: Ditto.
11536 * cfgloop.c: Ditto.
11537 * df-problems.c: Ditto.
11538 * reg-stack.c: Ditto.
11540 * gccspec.c: Ditto.
11541 * sched-rgn.c: Ditto.
11542 * tree-ssa-structalias.c: Ditto.
11543 * tree-ssa-reassoc.c: Ditto.
11544 * config/darwin-c.c: Ditto.
11545 * config/darwin.c: Ditto.
11546 * config/arm/arm.c: Ditto.
11548 * collect2.c: Ditto.
11549 * reload1.c: Ditto.
11551 2006-01-31 Nicolas Pitre <nico@cam.org>
11553 * arm.md (smaxsi3): Make aware of smax_m1.
11556 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11558 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11560 2006-01-31 Richard Guenther <rguenther@suse.de>
11562 * doc/invoke.texi (-msselibm): Document.
11563 * target.h (expand_library_builtin): New target hook.
11564 * builtins.c (expand_builtin): Use expand_library_builtin.
11565 (default_expand_library_builtin): New function.
11566 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11567 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11568 (link_gcc_math_spec): Declare.
11569 (static_specs): Add link_gcc_math_spec.
11570 * expr.h (default_expand_library_builtin): Declare.
11571 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11572 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11573 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11574 * config/i386/i386.opt (msselibm): New target option.
11575 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11576 (ix86_init_sse_abi_builtins): New function.
11577 (ix86_expand_library_builtin): Likewise.
11578 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11579 (override_options): Handle error conditions wrt -msselibm.
11580 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11581 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11582 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11585 2006-01-31 Richard Guenther <rguenther@suse.de>
11586 Paolo Bonzini <bonzini@gnu.org>
11588 * doc/install.texi (--disable-libgcc-math): Document.
11590 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11592 * expr.h (expand_normal): new inline function.
11593 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11594 * dojump.c: use it.
11595 * dwarf2out.c: use it.
11598 * expmed.c: use it.
11599 * except.c: use it.
11600 * config/sparc/sparc.c: use it.
11601 * config/i386/i386.c: use it.
11602 * config/rs6000/rs6000.c: use it.
11603 * config/arm/arm.c: use it.
11604 * config/mips/mips.c: use it.
11605 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11607 2006-01-30 Roger Sayle <roger@eyesopen.com>
11609 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11610 argv to the appropriate type.
11612 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11614 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11617 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11620 * config/s390/s390.c (struct machine_function): New flag
11621 decomposed_literal_pool_addresses_ok_p.
11622 (s390_reorg): Set it before final stage of literal pool transforms.
11623 (s390_decompose_address): Only accept displacements of the form
11624 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11626 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11628 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11629 the comparison routine return.
11631 2006-01-30 Michael Matz <matz@suse.de>
11633 * global.c (find_reg): Only evict for global regs.
11634 Take n_refs into account and dump more info.
11636 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11639 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11640 (pragma_trap, pragma_nosave_low_regs): Likewise.
11641 (current_function_anonymous_args): Likewise.
11642 (sh_deferred_function_attributes): New variable.
11643 (sh_deferred_function_attributes_tail): Likewise.
11644 (print_operand): For '@', look up trap_exit attribute.
11645 (calc_live_regs): Look up trapa_handler attribute. For trapa
11646 handlers, save/restore fpscr, but don't do any other
11647 interrupt-specific saves.
11648 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11649 Fix check for partially saved registers to check for SHmedia.
11650 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11651 (sh_output_function_epilogue): Don't clear any of the removed
11653 (sh_insert_attributes): Don't check pragma_interrupt.
11654 Insert deferred attributes. Check that interrupt attribute is
11655 present for other attributes that require its presence.
11656 (sh_attribute_table): Add new attributes trapa_handler and
11658 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11659 Don't check for pragma_interrupt. Don't store argument.
11660 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11661 (sh_deferred_function_attributes): Declare.
11662 (sh_deferred_function_attributes_tail): Likewise.
11663 * sh.md (sp_switch_1): Add operand. Change generator caller.
11664 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11665 (*return_i): Don't use when trap_exit attribute is in effect.
11666 (*return_trapa): New insn pattern.
11667 * sh-c.c: New file.
11668 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11669 setting c_target_objs and cxx_target_objs.
11670 * t-sh: Add rule for sh-c.o.
11672 2006-01-30 Richard Guenther <rguenther@suse.de>
11675 * gimplify.c (gimplify_target_expr): Handle easy cases
11676 without creating a temporary.
11678 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11680 * vec.h (safe_grow): Remove duplicated line.
11682 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11685 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11686 (expand_omp): ... here.
11687 (expand_omp_parallel): Only remove barriers for combined
11688 parallel+workshare constructs.
11690 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11694 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11695 * tree.c (build_qualified_type): Chain the new type to the original
11696 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11697 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11698 (build_pointer_type_for_mode): Only return unqualified types.
11699 (build_reference_type_for_mode): Likewise.
11701 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11703 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11704 * Makefile.in (CXX_COMPAT_WARN): Define.
11705 * configure: Regenerate.
11707 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11710 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11713 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11715 * toplev.c: Fix thinko.
11717 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11718 Marcin Dalecki <martin@dalecki.de>
11720 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11721 (push_srcloc): Use XNEW.
11722 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11724 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11726 * df-core.c (df_set_blocks): Deleted all variable.
11728 2006-01-28 Ian Lance Taylor <ian@airs.com>
11730 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11731 cgraph_output_pending_asms.
11733 2006-01-28 Zack Weinberg <zackw@panix.com>
11735 * c.opt: Add -W(no-)overlength-strings.
11736 * doc/invoke.texi: Document it.
11737 * c-opts.c (c_common_handle_option): -pedantic implies
11738 -Woverlength-strings, if not explicitly disabled already.
11739 (c_common_post_options): -Woverlength-strings defaults to off, and
11740 is always off for C++.
11741 * c-common.c (fix_string_type): Issue warning about strings longer
11742 than is portable only if warn_overlength_strings. Rearrange code
11743 a little for clarity.
11744 * configure.in: Check for -Wno-overlength-strings as well before
11745 enabling -pedantic in stage 1.
11746 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11747 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11749 * genconditions.c (write_header, write_one_condition)
11750 (write_conditions, write_writer): Consolidate very long strings
11751 that were broken up to fit in C89 portable limit. Don't use
11752 printf when fputs will do.
11754 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11756 * combine.c (simplify_comparison <AND>): Check
11757 TRULY_NOOP_TRUNCATION before start using a subreg.
11759 * config/mips/mips.md (*branch_zero<mode>,
11760 *branch_zero<mode>_inverted, *branch_equality<mode>,
11761 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11762 Remove mode check from comparisons.
11764 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11766 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11768 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11770 * expmed.c (const_mult_add_overflow_p): Remove.
11771 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11773 * recog.c (validate_replace_rtx_subexp): Remove.
11774 * recog.h: Remove the prototype for
11775 validate_replace_rtx_subexp.
11777 * integrate.h: Remove the prototype for
11778 copy_decl_for_inlining.
11779 * rtl.h: Remove the prototype for mark_constant_function.
11780 * tree-vectorizer.h: Remove the prototype for
11781 vect_strip_conversion.
11783 * modulo-sched.c (create_partial_schedule,
11784 free_partial_schedule, reset_partial_schedule): Make them
11787 * hooks.c (hook_bool_rtx_int_false): Remove.
11788 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11790 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11792 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11793 and -mlong-double-128 are incompatible.
11794 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11795 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11796 (TARGET_LIBGCC2_CFLAGS): Define.
11797 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11798 (TARGET_LIBGCC2_CFLAGS): Same.
11799 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11801 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11804 * c-typeck.c (build_binary_op): Perform implicit casts of
11805 operands before shortening them.
11807 * cfgloopmanip.c (split_loop_bb): Remove.
11808 * cfgloop.h: Remove the prototype for split_loop_bb.
11810 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11811 * cfgloop.h: Remove the prototype for
11812 flow_loop_outside_edge_p.
11814 * emit-rtl.c (init_virtual_regs): Make it static.
11815 * function.h: Remove the prototype for init_virtual_regs.
11817 * recog.c (peephole2_optimize): Make it static.
11818 * recog.h: Remove the prototype for peephole2_optimize.
11820 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11822 * df-scan.c (df_record_entry_block_defs): Check if
11823 INCOMING_RETURN_ADDR_RTX is defined.
11825 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11826 Kenneth Zadeck <zadeck@naturalbridge.com>
11828 PR rtl-optimization/24762
11829 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11830 * targhooks.c (hook_void_bitmap): New hook prototype.
11831 * targhoohs.h (hook_void_bitmap): Ditto.
11832 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11833 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11834 * target.h (live_on_entry): New function pointer.
11835 * df-scan.c (df_all_hard_regs): Removed.
11836 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11837 (df_scan_free_internal): Added df->entry_block_defs.
11838 (df_scan_alloc): Ditto.
11839 (df_scan_dump): Ditto.
11840 (df_uses_record): Plumbed flag field properly thru calls.
11841 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11842 This part fixes PR24762.
11843 (df_bb_refs_record): Added code to make the frame and arg
11844 pointers live in EH blocks.
11845 (df_refs_record): Added call to df_record_entry_block_defs.
11846 (df_record_entry_block_defs): New function.
11847 * df-core.c: Added comments to describe new artifical defs.
11848 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11849 (entry_block_defs): New field in struct df.
11850 (df_all_hard_regs): Deleted.
11851 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11852 * df-problems.c (df_ru_bb_local_compute_process_def):
11853 Added code to handle artifical defs in the entry to a function.
11854 (df_ru_bb_local_compute): Ditto.
11855 (df_rd_bb_local_compute_process_def): Ditto.
11856 (df_rd_bb_local_compute): Ditto.
11857 (df_lr_bb_local_compute): Ditto.
11858 (df_ur_bb_local_compute): Ditto.
11859 (df_urec_bb_local_compute): Ditto.
11860 (df_chain_create_bb): Ditto.
11861 (df_ur_local_finalize): Removed entry.
11862 (df_urec_init): Ditto.
11863 (df_urec_local_finalize): Ditto.
11864 (df_ri_bb_compute): Added detection of last use of pseudos.
11865 * Makefile.in (df-scan.o): Updated dependencies.
11866 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11867 * config/mips/mips.c (mips_set_live_on_entry): Added.
11868 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11870 * dce.c (marked_insn_p): Added code to handle artifical defs.
11872 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11874 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11876 (_mm_cvtsi128_si64): Likewise.
11877 (_mm_cvtsd_si64): Likewise.
11878 (_mm_cvttsd_si64): Likewise.
11879 (_mm_cvtsi64_sd): Likewise.
11880 (_mm_cvtsi64_si128): Likewise.
11881 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11882 (_mm_cvtsi64_m64): Likewise.
11883 (_m_to_int64): Likewise.
11884 (_mm_cvtm64_si64): Likewise.
11885 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11886 (_mm_cvttss_si64): Likewise.
11887 (_mm_cvtsi64_ss): Likewise.
11888 (_mm_cvtss_f32): Likewise.
11890 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11892 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11893 for pragma redefine_extname.
11895 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11898 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11899 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11900 -mno-minimal-toc to previous content.
11901 (bispecs): Remove goal.
11902 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11903 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11904 compatibility aliases on powerpc-*-*gnu*.
11905 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11906 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11907 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11908 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11909 (ldblspecs): New goal.
11910 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11911 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11913 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11914 L_sf_to_tf or L_df_to_tf is defined.
11916 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11917 Alan Modra <amodra@bigpond.net.au>
11920 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11921 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11922 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11923 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11924 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11925 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11926 (rs6000_override_options): Initialize rs6000_ieeequad.
11927 Initialize TFmode format to ibm_extended_format if not
11929 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11931 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11932 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11933 (function_arg_advance): IBM long double passed in two FPRs, not
11935 (function_arg): IBM long double passed in FPRs.
11936 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11937 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11938 Only multireg GPR aligned.
11939 (rs6000_init_libfuncs): Enable IBM long double functions if not
11941 (rs6000_generate_compare): Use IBM long double compare if not
11943 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11944 (TARGET_IEEEQUAD): Define.
11945 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11946 not TARGET_IEEEQUAD.
11947 * config/rs6000/rs6000.md: Enable TFmode patterns if
11949 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11950 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11951 and -mlong-double-128 are incompatible.
11952 * doc/invoke.texi (-mabi): Collect options together. Add
11953 ibmlongdouble and ieeelongdouble.
11955 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11957 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11959 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11960 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11961 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11962 * rtl.h (rtunion_def): Remove rt_ptr.
11964 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11965 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11966 * config/i386/winnt.c (i386_pe_mark_dllexport)
11967 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11969 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11971 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11973 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11977 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11978 pthread_key_delete. From John David Anglin. gthrw-ify
11979 pthread_getunique_np only if it it's not a macro. Delete
11981 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11982 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11983 __gthread_objc_condition_signal, __gthread_key_delete): Add
11984 "__attribute__ ((__unused__))" to unused arguments.
11985 (__gthread_recursive_mutex_init_function): Add missing return.
11986 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11987 gthr-posix95.h: Use macro-based approach for name redirection
11988 on targets missing weakref.
11990 2006-01-26 Zack Weinberg <zackw@panix.com>
11992 * genconditions.c (write_header): In generated code, #ifdef out
11993 all includes and fake declarations, except includes of bconfig.h
11994 and system.h, unless GCC_VERSION >= 3001. Do not include
11995 gensupport.h in any case.
11996 (write_conditions): Generate a definition of struct c_test. Add
11997 a comment to the generated #endif.
11998 (write_one_condition): Escape backslashes in string too.
11999 (write_writer): Generated code must escape backslashes and quote
12000 marks (but not newlines) in the strings it writes.
12001 * Makefile.in (build/gencondmd.o): Update dependencies.
12003 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12006 * Makefile.in (insn-automata.o): Add header file dependencies.
12007 * genautomata.c: Add includes.
12009 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12012 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12014 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12016 * configure.ac: Expect target tools paths to be passed from the toplevel
12017 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12019 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12021 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12024 * c.opt (Wpointer-sign): Init to -1.
12025 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12026 OPT_pedantic, to 0 otherwise.
12027 * doc/invoke.texi: Update.
12029 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12031 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12032 constants provided by 80387 instructions in the destination mode.
12034 2006-01-26 Richard Guenther <rguenther@suse.de>
12035 Andrew Pinski <pinskia@physics.uc.edu>
12038 partial PR tree-opt/17064
12039 * tree-ssa-structalias.c (intra_create_variable_infos):
12040 Create heap variables for incoming parameters if
12041 flag_argument_noalias > 1.
12042 (find_what_p_points_to): Look through default defs of
12045 2006-01-26 Jeff Law <law@redhat.com>
12048 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12049 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12050 within the VR_RANGE, use the VR_RANGE as the result, not the
12052 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12053 bounds for the type.
12055 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12057 * tree-ssa-alias.c (maybe_create_global_var): Change
12058 subvar walking to an assertion that we don't have subvar'd variables.
12060 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12063 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12064 Use a new variable, inner. PARM_DECLs are always non-weak.
12066 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12068 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12069 --disable-checking.
12071 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12073 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12075 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12077 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12078 (smax_insn, smin_insn, smax_0, smin_0): New.
12080 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12083 * config/cris/cris.c (cris_order_for_addsi3): New function.
12084 * config/cris/cris-protos.h: Prototype it.
12085 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12086 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12087 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12088 (split for "op.S1 [rx=rx+i],ry (swapped)")
12089 (split for "op(s|u).S1 [rx=rx+i],ry")
12090 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12091 Apply cris_order_for_addsi3 when generating addsi3 insns.
12093 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12095 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12096 (TREE_BLOCK): Add call to EXPR_CHECK.
12098 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12101 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12102 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12103 (dump_omp_clauses): ... here.
12104 (dump_generic_node): Handle OMP_CLAUSE.
12105 * tree.c (omp_clause_num_ops): New.
12106 (omp_clause_code_name): New.
12107 (tree_code_size): Handle OMP_CLAUSE.
12108 (tree_size): Likewise.
12109 (make_node): Document handling of OMP_CLAUSE.
12110 (tree_node_structure): Handle OMP_CLAUSE.
12111 (omp_clause_check_failed): New.
12112 (omp_clause_range_check_failed): New.
12113 (omp_clause_operand_check_failed): New.
12114 (build_omp_clause): New.
12115 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12116 * tree.h (enum omp_clause_code): Declare.
12117 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12118 (OMP_CLAUSE_RANGE_CHECK): Define.
12119 (OMP_CLAUSE_ELT_CHECK): Define.
12120 (omp_clause_check_failed): Declare.
12121 (omp_clause_operand_check_failed): Declare.
12122 (omp_clause_range_check_failed): Declare.
12123 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12124 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12125 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12126 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12127 (OMP_CLAUSE_IF_EXPR): Likewise.
12128 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12129 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12130 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12131 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12132 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12133 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12134 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12135 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12136 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12137 (OMP_CLAUSE_CODE): Define.
12138 (OMP_CLAUSE_SET_CODE): Define.
12139 (OMP_CLAUSE_CODE): Define.
12140 (OMP_CLAUSE_OPERAND): Define.
12141 (struct tree_omp_clause): Declare.
12142 (union tree_node): Add field 'omp_clause'.
12143 * treestruct.def (TS_OMP_CLAUSE): Define.
12144 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12145 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12146 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12147 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12148 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12149 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12150 (OMP_CLAUSE): Define.
12151 * print-tree.c (print_node): Handle OMP_CLAUSE.
12152 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12153 * c-typeck.c: Likewise.
12154 * gimplify.c: Likewise.
12155 * c-omp.c: Likewise.
12156 * tree-nested.c: Likewise.
12157 * tree-inline.c: Likewise.
12158 * c-parser.c: Likewise.
12159 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12162 2006-01-25 Roger Sayle <roger@eyesopen.com>
12164 PR rtl-optimization/25703
12165 * combine.c (try_combine): Handle zero_extract and strict_low_part
12166 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12168 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12170 * global.c: Fix comment typos.
12172 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12175 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12176 Use output_addr_const instead of assemble_name.
12178 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12180 * Makefile.in (sched-vis.o): Update dependencies.
12181 * haifa-sched.c (sched_finish): Clear current_sched_info.
12182 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12183 (dump_flow_info): Call it.
12184 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12186 * basic-block.h (dump_bb_info): Declare.
12187 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12188 option, and apply options only for dump files whose TDF_RTL,
12189 TDF_TREE, or TDF_IPA bits match.
12190 * rtl.h: Declare new functions exported from sched-vis.c.
12191 * sched-vis.c: Enable also if scheduling is not used.
12192 (print_value): Print the mode of registers if not inside scheduling.
12193 (print_insn): Make it work outside the scheduler. Beautify the output
12195 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12197 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12199 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12200 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12201 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12202 depending on the value of CONSTANT_POOL_ADDRESS_P.
12203 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12205 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12206 rather than SYMBOL_REF_DECL.
12207 (rtx_constant_pool): Remove const_rtx_sym_htab.
12208 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12209 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12210 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12211 Remove handling of const_rtx_sym_htab.
12212 (find_pool_constant): Delete.
12213 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12214 rather than find_pool_constant.
12215 (get_pool_constant_for_function): Delete.
12216 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12217 find_pool_constant.
12218 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12219 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12220 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12221 (SYMBOL_REF_CONSTANT): New macro.
12222 (get_pool_constant_for_function): Delete.
12223 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12224 rather than SYMBOL_REF_DECL.
12225 (i386_pe_mark_dllimport): Likewise.
12226 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12227 rather than SYMBOL_REF_DECL.
12228 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12229 (machopic_indirect_call_target): Likewise.
12231 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12233 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12235 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12237 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12239 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12241 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12243 2006-01-24 David Daney <ddaney@avtrex.com>
12246 * configure.ac (enable_tls): New enable option.
12247 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12248 * configure: Regenerate.
12249 * doc/install.texi (--enable-tls): Document new option.
12250 (--disable-tls): Ditto.
12252 2006-01-24 Richard Henderson <rth@redehat.com>
12254 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12255 * alias.c (true_dependence): Respect it.
12256 (canon_true_dependence, write_dependence_p): Likewise.
12257 * builtins.c (get_builtin_sync_mem): Set it.
12259 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12261 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12264 2006-01-24 DJ Delorie <dj@redhat.com>
12266 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12267 for storing constants in single-bit bitfields.
12269 2006-01-25 Ben Elliston <bje@au.ibm.com>
12271 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12273 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12276 * tree-ssa-pre.c (phi_translate): Return NULL
12277 for AGGREGATE_TYPE's.
12279 2006-01-24 Zack Weinberg <zackw@panix.com>
12281 * genautomata.c (process_state_for_insn_equiv_partition):
12282 Use xcalloc for insn_arcs_array.
12283 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12284 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12286 2006-01-24 Richard Henderson <rth@redhat.com>
12288 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12289 update all callers.
12291 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12293 PR rtl-optimization/25890
12294 PR rtl-optimization/25905
12295 * combine.c (expand_compound_operation, expand_field_assignment):
12296 Fail if the bitfield's final position is out of bounds.
12298 2006-01-24 Ian Lance Taylor <ian@airs.com>
12300 PR middle-end/25930
12301 * cgraphunit.c (cgraph_output_in_order): Don't clear
12302 cgraph_asm_nodes until after asm strings have been output.
12304 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12306 * fix-header.c (read_scan_file): Add new parameter imultilib when
12307 calling register_include_chains.
12309 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12311 * omp-low.c: Update documentation.
12313 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12314 Daniel Berlin <dberlin@dberlin.org>
12318 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12319 return from the function.
12321 2006-01-22 Zack Weinberg <zackw@panix.com>
12323 * rtl.def (match_code): Add second argument.
12324 * genpreds.c (write_extract_subexp): New function.
12325 (write_match_code): Add path argument. Use write_extract_subexp.
12326 (write_predicate_expr): Pass path to write_match_code.
12327 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12328 not perform a mode test.
12329 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12330 a subexpression does not constrain the top-level code set.
12331 * read-rtl.c (read_rtx_variadic): New function.
12332 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12333 * doc/md.texi: Document new notation.
12334 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12335 (cmpsi_operand): ... here, using new notation.
12337 2006-01-22 Zack Weinberg <zackw@panix.com>
12339 * varray.c: Remove GENERATOR_FILE #ifdefs.
12341 2006-01-22 Zack Weinberg <zackw@panix.com>
12343 * genautomata.c (output_reserved_units_table): Emit nothing if
12344 description->query_units_num is zero. Remove extra blank line.
12345 (output_cpu_unit_reservation_p): Short circuit
12346 if description->query_units_num is zero.
12348 2006-01-22 Zack Weinberg <zackw@panix.com>
12350 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12351 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12352 nor any of the random handful of variables that used to be necessary
12353 when this program was linked with rtlanal.o. Prune set of forward
12354 function declarations.
12355 (struct attr_desc): Remove static_p field.
12356 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12357 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12358 (attr_string): Do not read the character one past the length of
12360 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12361 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12362 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12363 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12364 (make_automaton_attrs): New.
12365 (main): Do not call into genautomata. Call local gen_bypass
12366 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12367 Remove special case for insn_alts.
12368 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12369 varray.h (leftover from previous change). Prune set of forward
12370 function declarations. Remove state_alts fields from all
12371 structures. Remove state_alts_table from struct automaton.
12372 Make everything except main static. Do not maintain num_dfa_decls.
12373 Do not maintain state_alts fields of various structures.
12374 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12375 (add_arc): Remove state_alts argument. All callers updated.
12376 (output_reserved_units_table): Emit #ifdef here...
12377 (output_tables): ...not here. Don't generate state_alts tables.
12378 (expand_automata): Don't generate attributes.
12379 (write_automata): Don't generate state_alts functions.
12380 (main): New function.
12381 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12382 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12383 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12384 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12385 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12386 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12387 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12388 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12390 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12391 * genattrtab.h: Delete file.
12392 * Makefile.in (OBJS-common): Add insn-automata.o.
12393 (insn-automata.o): New rule.
12394 (simple_generated_c): Add insn-automata.c.
12395 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12396 (genprogmd): Add automata.
12397 (build/genattrtab): Needs no extra objects nor libraries.
12398 (build/genautomata): Needs build/vec.o and -lm.
12400 2006-01-22 Zack Weinberg <zackw@panix.com>
12402 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12403 (output_dfa_max_issue_rate, locked_states_num): Delete.
12404 (struct automaton): Add locked_states field.
12405 (output_dead_lock_vect): Save number of locked states in
12406 automaton->locked_states. If it is zero, don't print anything.
12407 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12408 (output_internal_dead_lock_func): Only test the dead_lock_vect
12409 for automata that have locked states.
12410 (output_statistics): Always print the number of locked states for
12411 each automaton. Calculate total number of locked states here.
12412 (write_automata): Don't call output_dfa_max_issue_rate.
12413 * genattrtab.c: Define length_unit_log as a const variable.
12414 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12415 max_insn_queue_index const.
12416 * final.c (length_unit_log): Declare const.
12417 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12419 2006-01-22 Zack Weinberg <zackw@panix.com>
12421 * genautomata.c: Include vec.h, not varray.h.
12422 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12423 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12424 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12425 VEC_* macros operating on appropriately typed vectors, or to
12426 malloced arrays when the size is known in advance. Const-ify
12427 many char* variables and function arguments. No functional changes.
12428 * Makefile.in (build/varray.o): Delete rule.
12429 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12430 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12432 2006-01-22 Zack Weinberg <zackw@panix.com>
12434 * gensupport.c: Define get_insn_name and record_insn_name here.
12435 (read_md_rtx): Call record_insn_name as appropriate.
12436 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12437 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12438 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12440 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12441 (BUILD_VARRAY): Delete.
12442 (genprognormal): Rename genprogmd. Fold in all programs from
12443 genprognoprint; also attrtab.
12444 (build/genattrtab): Just mention genautomata.o and varray.o.
12445 Reorganize a bit, add comments to make the categories clearer.
12447 2006-01-22 Zack Weinberg <zackw@panix.com>
12449 * genconditions.c (condition_table, add_condition): Delete.
12450 (write_conditions): Don't emit n_insn_conditions nor
12451 insn_elision_unavailable. Issue the gcc version #ifdef here,
12452 inside the table, with no #else clause ...
12453 (write_header): ...not here.
12454 (write_writer): New function.
12455 (main): Don't initialize condition_table. Use add_c_test.
12457 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12458 files on the command line.
12459 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12460 Return -1 if there is no entry in the table, don't abort.
12461 (add_c_test, traverse_c_tests): New functions.
12462 * gensupport.h (insn_elision_unavailable, insn_conditions)
12463 (n_insn_conditions): Delete declarations.
12464 (add_c_test, traverse_c_tests): Declare.
12465 * read-rtl.c: Include gensupport.h.
12466 (read_conditions): New function.
12467 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12468 (read_rtx_1): If we get EOF when we were looking for an initial
12469 open paren, return 0. Call read_conditions when appropriate.
12470 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12471 dummy-conditions.o. Eliminate references to insn-conditions.o,
12472 or change them to build/gencondmd.o, as appropriate. Remove
12473 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12474 from $(simple_generated_c). For all files remaining in those
12475 two lists, add insn-conditions.md to the generator command line.
12476 Give insn-constants.h/s-constants their own rules. Add rules
12477 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12478 (build/read-rtl.o): Depend on gensupport.h.
12479 (genprognormal): Include preds.
12480 (genprogearly): Rename genprognoprint; only difference is now that
12481 they don't link with $(BUILD_PRINT).
12482 * dummy-conditions.c: Delete.
12484 2006-01-22 Zack Weinberg <zackw@panix.com>
12486 * genextract.c: Don't include insn-config.h. Do include vec.h.
12487 Declare vectors of int, char, and locstr.
12488 (locstr): New typedef.
12489 (struct extraction): Make all array fields into bare pointers.
12490 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12491 (insn_code_number): Delete.
12492 (accum_extract): New struct.
12493 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12494 (gen_insn): Take insn_code_number as an argument. Use an
12495 accum_extract structure instead of loading data directly into
12496 a struct extraction, and having to know how big it might get.
12497 (walk_rtx): Operate entirely on an accum_extract structure.
12498 (print_path): Avoid unnecessary use of printf.
12499 (print_header): New function, split out of main. Distinguish
12500 more carefully between an unrecognizable insn and an insn that
12501 has the code number of a define_expand.
12502 (main): Pass insn_code_number to gen_insn. Call print_header
12503 only after parsing. Avoid unnecessary use of printf.
12504 * Makefile.in (build/vec.o): New rule.
12505 (build/genextract): Depend on build/vec.o.
12506 (build/genextract.o): Don't depend on insn-config.h.
12508 2006-01-22 Zack Weinberg <zackw@panix.com>
12510 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12511 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12512 practical. Eliminate per-generator-program link rules.
12514 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12516 PR middle-end/24437
12517 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12518 with a call expr to ...
12519 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12521 2006-01-23 Richard Guenther <rguenther@suse.de>
12523 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12524 before make_edge with conditional EDGE_TRUE_VALUE.
12526 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12527 Jan Hubicka <jh@suse.cz>
12528 Richard Guenther <rguenther@suse.de>
12530 PR rtl-optimization/25654
12531 * cfgexpand.c (aggregate_contains_union_type): New function.
12532 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12533 for structure variables that contain a union type.
12535 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12537 * gengtype.c (new_structure): Return the structure.
12538 (create_option): Add an extra "next" argument.
12539 (create_field): New function.
12540 (adjust_field_rtx_def): Use create_option and create_field.
12541 Remove a now-unnecessary call to find_structure.
12542 (adjust_field_tree_def): Likewise.
12543 (note_yacc_type): Remove an unnecessary call to find_structure.
12544 * gengtype.h (new_structure): Return the structure.
12545 (create_option): Add an extra argument.
12546 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12547 (option): Adjust calls to create_option.
12549 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12551 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12553 2006-01-22 Paul Brook <paul@codesourcery.com>
12554 Peter Barada <peter@the-baradas.com>
12556 * config/m68k/m68k.md: Add Coldfire FPU support.
12557 Define FP mode macro and associated attributes.
12558 Use it for float mode patterns.
12559 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12560 (LIBCALL_VALUE): Use m68k_libcall_value.
12561 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12562 (m68k_function_value): Ditto.
12563 (emit_move_sequence): Ditto.
12564 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12565 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12566 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12567 (MULTILIB_EXCEPTIONS): Ditto.
12568 * config/m68k/m68k.opt: Add mcfv4e.
12569 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12570 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12571 (m68k_output_function_prologue): Save ColdFire FPU registers.
12572 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12573 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12574 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12575 ColdFire FPU registers.
12576 (m68k_libcall_value, m68k_function_value): New functions.
12577 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12578 (LIBCALL_VALUE): Use m68k_libcall_value.
12579 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12580 (MASK_COLDFIRE): Add MASK_CFV4E.
12581 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12582 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12583 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12584 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12585 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12586 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12587 * doc/invoke.tex: Document -mcfv4e on m68k.
12589 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12591 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12594 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12597 * c-opts.c (c_common_handle_option): Don't include
12598 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12599 * doc/invoke.texi (C++ Dialect Options): Document that
12600 -Wnon-virtual-dtor is no longer included in -Wall.
12602 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12604 * gcov.c (print_version), gcov-dump.c (print_version),
12605 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12608 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12610 * df-scan.c (problem_SCAN): Added NULL reset function.
12611 (df_scan_reset_blocks): Added code to call reset block function
12612 (df_bb_refs_delete) Fixed comment.
12613 (df_insn_refs_delete): Made tolerant of deleting non existent info
12614 for dataflow problems that need to be reset.
12615 * df-core.c (df_set_blocks): Ditto.
12616 * df.h (struct df_problem): Added reset_fun.
12617 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12618 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12619 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12620 functions to clear out all references to def-use or use-def chains.
12622 2006-01-21 Ben Elliston <bje@au.ibm.com>
12624 * varasm.c (assemble_real): Initialise data array.
12626 2006-01-20 Paul Brook <paul@codesourcery.com>
12628 Merge from csl-arm-branch.
12629 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12630 * config/arm/arm.md (movdi): Force operands[1] to a register
12631 if we have a non-register source.
12632 (*arm_movdi, *movdf_soft_insn): Require that one of the
12633 operands be a register.
12634 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12635 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12637 2006-01-20 DJ Delorie <dj@redhat.com>
12639 * varasm.c (initializer_constant_valid_p): Allow pointers
12640 initialized from integer constants of lesser precision.
12641 (output_constant): Allow non-int-sized pointer modes to be
12642 initialized from integer constants.
12644 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12647 * cppdefault.h (struct default_include): Add multilib flag.
12648 * cppdefault.c (cpp_include_defaults): Set it.
12649 * c.opt (-imultilib): New option.
12650 * c-opts.c (imultilib): New.
12651 (c_common_handle_option): Handle -imultilib.
12652 (c_common_post_options): Likewise.
12653 * c-incpath.c (add_standard_paths, register_include_chains):
12655 * c-incpath.h (register_include_chains): Add extra parameter.
12656 * gcc.c (do_spec_1): Generate -imultilib option.
12657 (The Specs Language): Update %I description.
12658 (process_command): Update copyright notice.
12659 * doc/cppopts.texi (-imultilib): Document.
12660 * doc/invoke.texi (-imultilib): Include in option summary.
12661 (%I): Update specs documentation.
12663 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12665 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12667 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12669 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12672 2006-01-20 Richard Guenther <rguenther@suse.de>
12673 Steven Bosscher <stevenb.gcc@gmail.com>
12675 PR rtl-optimization/24626
12676 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12677 EDGE_TRUE_VALUE if in RTL mode.
12680 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12681 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12683 2006-01-20 Dirk Mueller <dmueller@suse.com>
12686 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12687 instead of a special NOP marker.
12688 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12689 NOP marker handling.
12690 * c-common.h (empty_body_warning): Add forward declaration.
12691 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12692 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12694 2006-01-20 Paul Brook <paul@codesourcery.com>
12696 * Makefile.in (lang_checks): Keep going if mkdir fails.
12698 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12700 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12701 be able to clean out basic block when not necessary.
12702 (df_scan_free): Fixed to properly delete information if df is
12703 unused before calling df_finish.
12704 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12705 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12707 (df_bb_refs_delete): New function.
12708 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12709 * df-core.c (df_set_blocks): Added code to properly clean out
12710 unused blocks if they are not part of the blocks to consider.
12711 Added additional null check.
12712 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12713 be able to clean out basic block when not necessary
12714 * df.h (df_free_bb_function): Ditto.
12715 (df_bb_refs_delete): New function.
12716 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12717 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12718 basic block parameter to be able to clean out basic block when not
12720 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12721 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12722 Fixed to properly delete information if df is unused before
12725 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12727 PR rtl-optimization/25799
12728 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12729 Corrected confluence operator to remove bits from op2 before oring
12730 with op1 rather than removing bits from op1.
12731 (df_ru_transfer_function): Corrected test on wrong bitmap which
12732 caused infinite loop. Both of these problems were introduced in
12733 the dataflow rewrite.
12735 2006-01-19 DJ Delorie <dj@redhat.com>
12737 * reload1.c (find_reload_regs): Note the details of reload
12738 failures in the dump file.
12739 (spill_failure): Likewise.
12741 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12743 * loop-iv.c: Include df.h and hashtab.h.
12744 (enum iv_grd_result): New enum.
12745 (DF_REF_IV, DF_REF_IV_SET): New macros.
12746 (struct biv_entry): New.
12747 (df, bivs): New global variables.
12748 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12749 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12751 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12752 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12753 analyzed_for_bivness_p, record_biv): New functions.
12754 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12755 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12756 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12758 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12760 (iv_number_of_iterations): Use new interface to iv analysis.
12761 * loop-unroll.c: Do not include varray.h.
12762 (analyze_iv_to_split_insn): Use new interface to iv
12764 * loop-unswitch.c (may_unswitch_on): Ditto.
12765 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12767 (df_bb_modify): Realloc tables to the new index.
12768 (df_find_use): New function.
12769 * df.h (df_find_use): Declare.
12770 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12772 * cfgloop.h (struct rtx_iv): Remove analysed field.
12773 (iv_get_reaching_def): Removed.
12774 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12775 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12776 (loop-iv.o): Add df.h and hashtab.h dependency.
12777 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12779 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12782 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12784 (__floatundisf, __floatundidf): Likewise.
12785 * libgcc2.h (IS_IBM_EXTENDED): Define.
12787 2006-01-19 DJ Delorie <dj@redhat.com>
12789 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12791 2006-01-19 Paul Brook <paul@codesourcery.com>
12793 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12794 as nothrow when unwinding tables are disabled.
12796 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12799 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12800 of bit-field" when in system header.
12802 2006-01-19 DJ Delorie <dj@redhat.com>
12804 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12805 the 16 bit shift limit of the m16c.
12807 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12810 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12811 * config/i386/i386.c (output_set_got): Output the label if we have one
12812 for the TARGET_DEEP_BRANCH_PREDICTION case.
12814 2006-01-19 Jan Hubicka <jh@suse.cz>
12815 H.J. Lu <hongjiu.lu@intel.com>
12816 Evandro Menezes <evandro.menezes@amd.com>
12818 * invoke.texi (generic): Document
12820 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12821 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12822 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12823 (x86_use_incdec, x86_pad_returns): New variables
12824 (TARGET_CPU_DEFAULT_generic): New constant
12825 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12826 (enum processor_type): Add generic32 and generic64.
12827 * i386.md (cpu attribute): Add generic32/generic64
12828 (movhi splitter): Behave sanely when both partial_reg_dependency and
12829 partial_reg_stall are set.
12830 (K8 splitters): Enable for generic as well.
12831 * predicates.md (incdec_operand): Use TARGET_INCDEC
12832 (aligned_operand): Avoid memory mismatch stalls.
12833 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12834 * ppro.md: Enable for generic32
12835 * i386.c (generic64_cost, generic32_cost): New.
12836 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12837 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12838 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12839 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12840 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12841 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12842 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12843 x86_accumulate_outgoing_args, x86_prologue_using_move,
12844 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12845 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12846 Enable for generic.
12847 (x86_use_incdec, x86_pad_returns): New.
12848 (override_options): Add generic32 and generic64, translate "generic"
12849 to generic32/generic64 and "i686" to "generic32", refuse
12850 "generic32"/"generic64" as arch target.
12851 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12852 (ix86_reorg): Honor PAD_RETURNS.
12854 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12856 * tree-pretty-print.c (dump_generic_node): Handle
12857 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12858 * cgraph.c (cgraph_expand_queue): Rename from
12859 cgraph_analyze_queue. Update all users.
12860 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12861 cgraph_expand_queue.
12862 (cgraph_expand_all_functions): Likewise.
12863 (cgraph_finalize_pending_functions): Remove. Update callers.
12865 * tree.h (OMP_DIRECTIVE_P): Define.
12866 (OMP_PARALLEL_FN): Define.
12867 (OMP_PARALLEL_DATA_ARG): Define.
12868 (OMP_SECTIONS_SECTIONS): Define.
12869 * tree-pass.h (pass_expand_omp): Declare.
12870 * omp-low.c (struct omp_region): Declare.
12871 (struct omp_context): Remove fields 'parallel_type',
12872 'parallel_start_ix' and 'parallel_start_additional_args'.
12874 (struct omp_for_data): Rename from struct expand_omp_for_data.
12875 (omp_regions): New static variable.
12876 (root_omp_region): New static variable.
12877 (find_omp_clause): Make static.
12878 (is_in_combined_parallel_ctx): Remove.
12879 (is_combined_parallel): New.
12880 (extract_omp_for_data): Move earlier in the file.
12881 (workshare_safe_to_combine_p): New.
12882 (get_ws_args_for): New.
12883 (determine_parallel_type): Move earlier in the file.
12884 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12886 (omp_copy_decl): Likewise.
12887 (create_omp_child_function): Likewise.
12888 (lookup_omp_region): New.
12889 (dump_omp_region): New.
12890 (debug_omp_region): New.
12891 (debug_all_omp_regions): New.
12892 (new_omp_region): New.
12893 (scan_omp_parallel): If parallel_nesting_level > 1, the
12894 directive is nested within another parallel directive.
12895 Set OMP_PARALLEL_FN.
12896 (scan_omp_for): Do not try to handle combined parallel+for
12898 Remove FIXME comment.
12899 (scan_omp_nested): Remove.
12900 (scan_omp_1): Do not call scan_omp_nested when
12901 parallel_nesting_level is > 1.
12902 Do not change the DECL_CONTEXT of local variables found.
12903 (lookup_decl_in_outer_ctx): New.
12904 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12905 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12906 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12907 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12908 If CTX is nested, lookup VAR in the outer context when
12909 building copy assignment.
12910 (lower_send_clauses): Rename from expand_send_clauses.
12911 If CTX is nested, lookup VAR in the outer context when
12912 building copy assignments.
12913 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12914 If CTX is nested, lookup VAR in the outer context when
12915 building copy assignments.
12916 (expand_parallel_call): Rename from build_parallel_call.
12917 Handle combined parallel+workshare cases.
12918 Re-implement to emit code into the CFG.
12920 (expand_omp_parallel): Re-implement to emit code into the CFG.
12921 Call move_sese_region_to_fn to outline the sub-graph
12922 containing the parallel region.
12923 (expand_omp_for_1): Remove.
12924 (expand_omp_for_generic): Re-implement to emit code into the
12926 (expand_omp_for_static_nochunk): Likewise.
12927 (expand_omp_for_static_chunk): Likewise.
12928 (expand_omp_for): Likewise.
12929 (expand_omp_sections): Likewise.
12930 (remove_exit_barriers): New.
12931 (expand_omp_synch): New.
12933 (build_omp_regions_1): New.
12934 (build_omp_regions): New.
12935 (execute_expand_omp): New.
12936 (gate_expand_omp): New.
12937 (pass_expand_omp): Define.
12938 (lower_omp_sections): Rename from expand_omp_sections.
12939 Set OMP_SECTIONS_SECTIONS.
12940 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12941 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12942 (lower_omp_single): Rename from expand_omp_simple.
12943 (lower_omp_master): Rename from expand_omp_master.
12944 (lower_omp_ordered): Rename from expand_omp_ordered.
12945 (lower_omp_critical): Rename from expand_omp_critical.
12946 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12947 (lower_omp_for): Re-implement.
12948 (lower_omp_parallel): Re-implement.
12949 (lower_regimplify): Rename from expand_regimplify.
12950 (lower_omp_1): Rename from expand_omp_1.
12951 If there are syntax errors in the program, replace every
12952 OpenMP directive with NOP.
12953 Call lower_omp_* instead of expand_omp_*.
12954 (lower_omp): Rename from expand_omp.
12956 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12957 * tree-gimple.h (enum omp_parallel_type): Remove.
12958 (gimple_boolify): Declare extern.
12959 (find_omp_clause, determine_parallel_type): Remove.
12961 * gimple-low.c (lower_omp_directive): New.
12962 (lower_stmt): Call it.
12963 (record_vars_into): Move from ...
12964 (record_vars): ... here.
12965 Call record_vars_into with current_function_decl.
12967 * gimplify.c (struct gimplify_ctx): Remove fields
12968 combined_pre_p and combined_ctxp. Update users.
12969 (get_formal_tmp_var): Add documentation.
12970 (gimple_boolify): Make extern.
12971 (gimplify_expr_in_ctx): Remove. Update callers.
12972 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12973 will always be a BIND_EXPR.
12974 (gimplify_expr): Handle OMP_RETURN_EXPR.
12975 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12976 (OMP_PARALLEL): Add 3 operands.
12977 (OMP_SECTIONS): Add 1 operand.
12978 (OMP_RETURN_EXPR): Define.
12980 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12981 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12982 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12983 creating a circular free list.
12984 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12986 * tree-flow.h (move_sese_region_to_fn): Declare.
12987 (record_vars_into): Declare.
12988 * tree-cfg.c (make_omp_sections_edges): New.
12989 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12990 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12991 OMP_SECTIONS and OMP_SECTION.
12992 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12993 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12994 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12995 (gather_blocks_in_sese_region): New.
12996 (struct move_stmt_d): Declare.
12997 (move_stmt_r): New.
12998 (move_block_to_fn): New.
12999 (move_sese_region_to_fn): New.
13001 * passes.c (init_optimization_passes): Schedule
13002 pass_expand_omp after pass_init_datastructures.
13004 * tree-ssa-operands.c (get_expr_operands): Handle
13005 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13006 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13008 2006-01-19 Jeff Law <law@redhat.com>
13010 * tree-vrp.c (extract_range_from_assert): Refine the result range
13011 if the variable referenced by the ASSERT_EXPR has a range and
13012 either the tentative result range or the previous range is a
13015 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13017 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13019 2006-01-19 Jan Hubicka <jh@suse.cz>
13021 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13023 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13025 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13026 (expand_compound_operation, expand_field_assignment): Fail if the
13027 bit lengths of an extract operation are out of range.
13028 (make_extraction): Compute wanted_inner_mode based on the position
13029 and length of the extraction. Make it extraction_mode for non-constant
13030 positions, and do not modify offset in that case. When generating a
13031 new MEM, use a mode that can hold the extraction while keeping correct
13032 alignment. Remove code that supported MEMs wrapped by USEs.
13033 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13035 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13037 * config/s390/s390.md ("Y", "y"): New mode attribute.
13038 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13039 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13040 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13041 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13042 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13043 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13044 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13045 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13046 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13047 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13048 "addsi3", "subsi3"): Insn patterns removed.
13049 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13050 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13051 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13052 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13053 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13054 "*sub<mode>3_cconly2"): New insn patterns.
13055 ("addsi3", "subsi3"): New expanders.
13057 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13059 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13060 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13061 existing STMT_VINFO_VECTYPE if available.
13062 (vect_mark_relevant): Add special handling for stmts that are
13063 marked as STMT_VINFO_IN_PATTERN_P.
13064 (vect_analyze_loop): Call vect_pattern_recog.
13065 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13066 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13068 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13069 (vect_recog_func_ptr): New function-pointer type.
13070 * tree-vect-patterns.c: New file.
13071 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13072 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13073 (vect_pattern_recog_1): New functions.
13074 (vect_pattern_recog_funcs): New array of function pointers.
13076 * tree-vectorizer.h (ternary_op): New enum value.
13077 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13078 declaration. Revised documentation. Removed redundant dump prints.
13079 Removed redundant argument. Added support for reduction patterns.
13080 (vectorizable_reduction): Added support for reduction patterns.
13081 (vect_transform_stmt): Added support for patterns.
13083 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13084 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13085 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13086 (expand_widen_pattern_expr): New function.
13087 (init_optabs): Initialize new optabs udot_prod_optab,
13089 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13090 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13091 (expand_widen_pattern_expr): New function declaration.
13092 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13094 * tree-inline.c (estimate_num_insns_1): Added cases for new
13095 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13096 * tree-pretty-print.c (dump_generic_node): Likewise.
13097 (op_prio): Likewise.
13098 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13099 * tree-ssa-operands.c (get_expr_operands): Added case for
13101 * tree-vect-patterns.c (widened_name_p): New function.
13102 (vect_recog_dot_prod_pattern): Added function implementation.
13103 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13104 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13105 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13106 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13108 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13109 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13110 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13111 (init_optabs): Initialize new optabs widen_ssum_optab,
13113 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13114 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13115 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13116 use instead of type of def.
13117 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13118 function implementation.
13119 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13120 widen_ssumv8hi): New.
13122 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13125 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13128 * c-decl.c (add_flexible_array_elts_to_size): New function.
13129 (finish_decl): Use it.
13131 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13133 * diagnostic.h: Include options.h.
13134 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13135 dependancies for diagnostic.h.
13136 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13138 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13140 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13141 (ssa_ro_call_cache_valid): Ditto.
13142 * tree-ssa-alias.c (sort_tags_by_id): New function.
13143 (init_transitive_clobber_worklist): Ditto.
13144 (add_to_worklist): Ditto.
13145 (mark_aliases_call_clobbered): Ditto.
13146 (compute_tag_properties): Ditto.
13147 (set_initial_properties): Ditto.
13148 (compute_call_clobbered): Ditto.
13149 (compute_may_aliases): Call compute_call_clobbered and grouping.
13150 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13151 (compute_flow_insensitive_aliasing): Grouping now happens in our
13153 (setup_pointers_and_addressables): Remove clobbering related code.
13154 (add_may_alias): Ditto.
13155 (replace_may_alias): Ditto.
13156 (get_nmt_for): Ditto.
13157 (create_global_var):
13158 (is_escape_site): Return an escape_type enumeration.
13159 * tree-flow-inline.h (is_call_clobbered): Global var does not
13160 imply call clobbered.
13161 (mark_call_clobbered): Take a reason for marking this. Remove
13162 marking of globalness, and cache invalidation.
13163 (clear_call_clobbered): Remove cache invalidation code.
13164 * tree-dfa.c (dump_variable): If details is on, dump the reason
13166 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13168 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13169 (struct var_ann_d): Ditto.
13170 (enum escape_type): New.
13171 (mark_call_clobbered): Adjust prototype.
13172 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13173 are never call clobbered.
13174 Record reasons for escaping.
13175 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13176 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13177 (ssa_ro_call_cache_valid): Ditto.
13178 (clobbered_v_may_defs): Ditto.
13179 (clobbered_vuses): Ditto.
13180 (ro_call_vuses): Ditto.
13181 (clobber_stats): New.
13182 (init_ssa_operands): Zero out clobber stats.
13183 (fini_ssa_operands): Print out clobber stats.
13184 (get_call_expr_operands): Pass callee fndecl to
13185 add_call_read_ops).
13186 (add_call_clobber_ops): Remove use of cache.
13187 Add use of PURE_CONST information.
13188 (add_call_read_ops): Remove use of cache.
13189 Add use of static not_read information.
13191 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13193 Introduce TLS descriptors for i386 and x86_64.
13194 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13195 (TARGET_ANY_GNU_TLS): New macro.
13196 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13197 (struct machine_function): Add tls_descriptor_call_expanded_p.
13198 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13199 (ix86_current_function_calls_tls_descriptor): Likewise.
13200 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13201 (override_options): Introduce gnu2 tls dialect.
13202 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13204 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13206 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13207 (ix86_init_machine_status): Initialize new field.
13208 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13209 (ix86_tls_module_base): New.
13210 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13211 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13212 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13213 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13214 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13215 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13216 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13217 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13218 * config/i386/predicates.md (tls_modbase_operand): New.
13219 (tp_or_register_operand): New.
13221 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13223 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13224 (look_for_address_of): Ditto.
13225 (ipa_init): Walk the function decls.
13226 (static_execute): Don't set readonly on FUNCTION_DECL's.
13228 2006-01-18 Roger Sayle <roger@eyesopen.com>
13230 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13231 for shifts where the source and destination registers are different.
13233 2006-01-18 Paul Brook <paul@codesourcery.com>
13235 Merge from csl-arm-branch.
13236 2005-03-14 Julian Brown <julian@codesourcery.com>
13237 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13238 (aeabi_llsl): Likewise.
13239 (ashrdi3): Likewise.
13240 (aeabi_lasr): Likewise.
13241 (lshrdi3): Likewise.
13242 (aeabi_llsr): Likewise.
13243 2005-03-10 Julian Brown <julian@codesourcery.com>
13244 * config.gcc: Disable shared libgcc for SymbianOS.
13245 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13247 2006-01-18 DJ Delorie <dj@redhat.com>
13249 * c-pragma.c (handle_pragma_diagnostic): New.
13250 (init_pragma): Register it.
13251 * doc/extend.texi: Document it.
13253 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13254 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13255 (diagnostic_context): Add classify_diagnostic[].
13256 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13257 as errors if they're overridden to DK_WARNING.
13258 (diagnostic_initialize): Initialize classify_diagnostic[].
13259 (diagnostic_set_kind_override): New.
13260 (diagnostic_report_diagnostic): Check for kind changes.
13261 * opts.c (common_handle_option): Take lang_mask. Update callers.
13262 Handle OPT_Werror_.
13263 * common.opt (Werror=): New.
13264 * doc/invoke.texi: Document -Werror=*
13266 2006-01-18 Jeff Law <law@redhat.com>
13268 * tree-vrp.c (test_for_singularity): Correct test for new
13269 min limit. Use operand_equal_p rather than pointer equality
13270 for testing if new min/max values are equal.
13272 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13273 using range information until after propagation and folding.
13275 2006-01-18 Richard Henderson <rth@redhat.com>
13276 Aldy Hernandez <aldyh@redhat.com>
13277 Jakub Jelinek <jakub@redhat.com>
13278 Diego Novillo <dnovillo@redhat.com>
13280 * omp-low.c: New file.
13281 * c-omp.c: New file.
13283 2006-01-18 Richard Henderson <rth@redhat.com>
13284 Jakub Jelinek <jakub@redhat.com>
13285 Diego Novillo <dnovillo@redhat.com>
13287 * doc/invoke.texi: Document -fopenmp.
13288 * tree-dump.h (debug_function): Declare.
13289 * hooks.c (hook_bool_tree_bool_false): New function.
13290 (hook_tree_tree_null): Remove.
13291 (hook_tree_tree_tree_null): New.
13292 * hooks.h: Update to match.
13293 * tree-pretty-print.c (debug_tree_chain): New.
13294 (print_generic_expr): Handle TDF_CHAIN.
13295 (dump_generic_node): Handle BLOCK.
13296 Do not abort with incomplete SWITCH_EXPRs.
13297 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13298 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13299 print space after directive name.
13300 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13301 Handle OMP_MASTER and OMP_ORDERED.
13302 Handle printing of OMP_BODY just in one place, goto
13303 dump_omp_body in the rest of OMP_* nodes that have
13305 Don't handle clause nodes here. Update omp statements to
13306 use dump_omp_clauses.
13307 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13308 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13309 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13310 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13311 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13312 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13313 Adjust output for GOMP_PARALLEL.
13314 (dump_omp_clauses): New.
13315 (print_declaration): Dump DECL_VALUE_EXPR.
13316 (op_symbol_1): Split out of op_symbol.
13317 (dumping_stmts): Remove. Update all users.
13318 * cgraph.c (cgraph_analyze_queue): New.
13319 (cgraph_add_new_function): New.
13320 * cgraph.h (cgraph_analyze_queue): Declare.
13321 (cgraph_add_new_function): Declare.
13322 (cgraph_lower_function): Remove.
13323 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13324 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13325 and TYPE_P nodes in its default clause.
13326 (empty_body_p): New.
13327 (tree_range_check_failed): New.
13328 (build5_stat): New.
13329 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13330 OMP_CLAUSE_REDUCTION_MERGE,
13331 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13332 OMP_CLAUSE_PRIVATE_DEBUG,
13333 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13334 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13335 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13336 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13337 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13338 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13339 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13340 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13341 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13342 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13343 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13344 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13345 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13346 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13347 (TREE_RANGE_CHECK): New.
13348 (empty_body_p): Declare.
13349 (enum omp_clause_default_kind): New.
13350 (build_string_literal): Declare.
13351 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13352 (build5_stat, build5): Declare.
13353 * tree-pass.h (TDF_CHAIN): Define.
13354 * tree-pass.h (PROP_gimple_lomp): Define.
13355 (pass_lower_omp): Declare.
13356 * diagnostic.h (debug_tree_chain): Declare.
13357 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13359 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13360 * builtins.c (build_string_literal): Make extern.
13361 * gcc.c (include_spec_function): New.
13362 (static_spec_functions): Add it.
13363 (main): Move load of libgomp.spec ...
13364 (LINK_COMMAND_SPEC): ... here.
13365 (link_gomp_spec): New.
13366 (static_specs): Include it.
13367 (LINK_COMMAND_SPEC): Add link_gomp.
13368 (GOMP_SELF_SPECS): New.
13369 (driver_self_specs): Include it.
13370 (switch_matches): Don't mark inline.
13371 (main): Load libgomp.spec.
13372 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13373 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13374 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13375 * tree-gimple.h (enum omp_parallel): Declare.
13376 (determine_parallel_type): Declare.
13377 (omp_firstprivatize_variable): Declare.
13378 (omp_reduction_init): Declare.
13379 (diagnose_omp_structured_block_errors): Declare.
13380 (struct walk_stmt_info): Add want_return_expr.
13381 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13382 (find_omp_clause): Declare.
13383 (insert_field_into_struct): Declare.
13384 (struct walk_stmt_info): Move from tree-nested.c
13385 (walk_stmts): Declare.
13386 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13388 * cgraphunit.c (cgraph_lower_function): Make static.
13389 (cgraph_finalize_pending_functions): New.
13390 (cgraph_finalize_function): Call it.
13391 (cgraph_finalize_compilation_unit): Likewise.
13392 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13393 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13394 (BT_FN_UINT_UINT): New.
13395 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13396 DEF_FUNCTION_TYPE_VAR_4): Document.
13397 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13398 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13399 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13400 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13401 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13402 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13403 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13404 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13405 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13406 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13407 into separate files.
13408 (DEF_GOMP_BUILTIN): New.
13409 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13410 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13411 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13412 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13413 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13414 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13415 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13416 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13417 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13418 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13419 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13420 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13421 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13422 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13423 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13424 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13425 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13426 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13427 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13428 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13429 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13430 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13431 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13432 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13433 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13434 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13435 * sync-builtins.def: New file, moved from builtins.def.
13436 * omp-builtins.def: New file, moved from builtins.def.
13437 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13438 * gimple-low.c (lower_function_body): Clear data.
13439 (lower_stmt): Do not handle COMPOUND_EXPR.
13440 Remove call to print_node_brief.
13441 * c-tree.h (c_finish_omp_clauses): New prototype.
13442 (C_DECL_THREADPRIVATE_P): Define.
13443 (lookup_name_no_remap, c_omp_remap_private): Remove
13444 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13445 (check_for_loop_decls): Update decl.
13446 (lookup_name_no_remap, c_omp_remap_private): Declare.
13447 (build_indirect_ref, build_modify_expr, pushdecl,
13448 pushdecl_top_level): Move to c-common.h.
13449 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13450 before the switch, but just in the 2 places that need it.
13451 * c-decl.c (diagnose_mismatched_decls): Do not check for
13452 mismatched thread-local attributes when OLDDECL is marked
13453 threadprivate and NEWDECL has no thread-local attributes.
13454 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13455 (c_gimple_diagnostics_recursively): Rename from
13456 c_warn_unused_result_recursively. Invoke
13457 diagnose_omp_structured_block_errors.
13458 (check_for_loop_decls): Return a singular decl found.
13459 * langhooks.c (lhd_omp_predetermined_sharing): Return
13460 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13461 (lhd_omp_firstprivatize_type_sizes): New.
13462 (lhd_omp_assignment): New.
13463 (lhd_omp_predetermined_sharing): New.
13464 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13465 (struct lang_hooks_for_types): Add
13466 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13467 omp_predetermined_sharing, omp_disregard_value_expr,
13468 omp_private_debug_clause, omp_clause_default_ctor,
13469 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13470 (c_finish_omp_clauses): New.
13471 (c_finish_bc_stmt): Diagnose break within omp for.
13472 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13473 (build_unary_op): Return error_mark after reporting
13475 (build_modify_expr): Likewise.
13476 * gimplify.c: Include optabs.h and pointer-set.h.
13477 (enum gimplify_omp_var_data): Declare.
13478 (struct gimplify_omp_ctx): Declare.
13479 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13481 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13482 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13483 (splay_tree_compare_decl_uid): New.
13484 (new_omp_context): New.
13485 (delete_omp_context): New.
13486 (gimple_add_tmp_var): Call omp_add_variable.
13487 (gimplify_bind_expr): Likewise.
13488 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13489 true, disregard DECL_VALUE_EXPR on the decl if any.
13490 (gimplify_expr_in_ctx): New.
13491 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13492 omp_add_variable, omp_notice_variable, omp_is_private
13493 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13494 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13495 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13496 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13497 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13498 gimplify_omp_atomic): New.
13499 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13500 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13501 OMP_CRITICAL and OMP_ATOMIC.
13502 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13503 * c-pragma.h (enum pragma_kind): Add
13504 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13505 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13506 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13507 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13508 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13509 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13510 PRAGMA_OMP_THREADPRIVATE.
13511 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13512 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13513 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13514 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13515 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13516 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13517 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13518 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13519 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13520 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13521 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13522 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13523 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13525 (struct nesting_info): Add field_map,
13526 suppress_expansion, debug_var_chain.
13527 (create_nesting_tree): Initialize them.
13528 (lookup_field_for_decl): Use field_map.
13529 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13530 (convert_local_omp_clauses): New.
13531 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13532 (walk_body): Split out of walk_function.
13533 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13534 (convert_nonlocal_reference): Handle omp statements.
13535 (convert_local_reference): Likewise.
13536 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13537 (unnest_nesting_tree): New.
13538 (lower_nested_functions): Call it.
13539 (insert_field_into_struct): Make extern.
13540 (struct walk_stmt_info): Move to tree-gimple.h.
13541 (walk_stmts): Make extern.
13542 * omp-builtins.def: New file.
13543 * tree-iterator.c (expr_only): Clarify comment.
13544 * c-common.h (pushdecl_top_level, pushdecl,
13545 build_modify_expr, build_indirect_ref,
13546 c_finish_omp_master, c_finish_omp_critical,
13547 c_finish_omp_ordered, c_finish_omp_barrier,
13548 c_finish_omp_atomic, c_finish_omp_flush,
13549 c_finish_omp_for, c_split_parallel_clauses,
13550 omp_clause_default_kind, c_omp_sharing_predetermined,
13551 c_omp_remap_decl): Declare.
13552 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13553 (OBJS-common): Add omp-low.o.
13554 (c-omp.o, omp-low.o): Add.
13555 (gimplify.o): Add dependency on $(OPTABS_H).
13556 (GTFILES): Add omp-low.c.
13557 (gt-stringpool.h): Add.
13558 * tree-cfg.c (set_bb_for_stmt): Do not update the
13559 block-to-labels map if we are currently expanding to RTL.
13560 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13562 Handle IDENTIFIER_NODE.
13563 (tree_verify_flow_info): Do not ICE when emitting error
13564 messages about invalid labels.
13565 (dump_function_to_file): Reset CFUN before emitting the body
13567 (debug_function): New.
13568 * passes.c (init_optimization_passes): Schedule
13570 * langhooks-def.h (lhd_omp_predetermined_sharing,
13571 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13573 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13574 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13575 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13576 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13577 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13578 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13579 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13580 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13581 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13582 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13583 (LANG_HOOK_DECLS): Use them.
13585 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13586 Richard Henderson <rth@redhat.com>
13587 Jakub Jelinek <jakub@redhat.com>
13588 Diego Novillo <dnovillo@redhat.com>
13590 * c-parser.c (pragma_omp_clause): Define.
13591 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13592 (c_parser_compound_statement): Likewise.
13593 (c_parser_statement): Likewise.
13594 (c_parser_pragma): Handle omp pragmas.
13595 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13596 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13597 (c_parser_omp_clause_name, check_no_duplicate_clause,
13598 c_parser_omp_variable_list,
13599 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13600 c_parser_omp_clause_copyprivate,
13601 c_parser_omp_clause_default,
13602 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13603 c_parser_omp_clause_lastprivate,
13604 c_parser_omp_clause_nowait,
13605 c_parser_omp_clause_num_threads,
13606 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13607 c_parser_omp_clause_reduction,
13608 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13609 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13610 c_parser_omp_atomic, c_parser_omp_barrier,
13611 c_parser_omp_critical, c_parser_omp_flush,
13612 c_parser_omp_for_loop, c_parser_omp_for,
13613 c_parser_omp_master, c_parser_omp_ordered,
13614 c_parser_omp_sections_scope, c_parser_omp_sections,
13615 c_parser_omp_parallel, c_parser_omp_single,
13616 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13617 * c-pragma.c (init_pragma): Do omp pragma registration here.
13618 * c.opt (fopenmp): New flag.
13620 2006-01-18 Eric Christopher <echristo@apple.com>
13622 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13623 * config/darwin.h (GOMP_SELF_SPECS): Define.
13625 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13627 * rtl.h: Remove the prototype for reg_alloc.
13629 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13632 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13633 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13634 sjlj and dwarf2 exception handling.
13635 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13636 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13637 * pa/pa.c (function_value): Treat complex and vector types as
13639 (function_arg): Likewise. Only pass scalar floats in the floating
13640 point argument registers.
13641 * pa/t-slibgcc-dwarf-ver: New file.
13642 * pa/t-slibgcc-sjlj-ver: New file.
13643 * pa/t-slibgcc-elf-ver: Delete file.
13645 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13647 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13648 unlikely_test_section_p test.
13650 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13652 * mode-switching.c (optimize_mode_switching): Make it static.
13653 * basic-block.h: Remove the prototype for
13654 optimize_mode_switching.
13656 * modulo-sched.c (sms_schedule): Make it static.
13657 * rtl.h: Remove the prototype for sms_schedule.
13659 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13660 * rtl.h: Remove the prototype for gcse_after_reload_main.
13662 * reg-stack.c (reg_to_stack): Make it static.
13663 * rtl.h: Remove the prototype for reg_to_stack.
13665 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13667 * rtl.h: Remove the prototypes for regrename_optimize and
13668 copyprop_hardreg_forward.
13670 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13672 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13673 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13674 Test against the appropriate null constant for the mode.
13675 If 'fixup_overlap' is true, swap the operands if they overlap.
13676 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13677 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13678 alpha_split_tmode_pair and adjust for above change.
13679 * config/alpha/alpha.md (movtf_internal): Adjust call to
13680 alpha_split_tfmode_pair and rely on it to swap the operands.
13681 (movti_internal): New insn and post-reload splitter.
13682 (movti): New expander.
13684 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13686 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13689 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13691 * rtlanal.c (global_reg_mentioned_p_1,
13692 global_reg_mentioned_p): Remove.
13693 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13695 * flow.c (initialize_uninitialized_subregs): Make it static.
13696 * rtl.h: Remove the prototype for
13697 initialize_uninitialized_subregs.
13699 * function.c (instantiate_virtual_regs): Make it static.
13700 * function.h: Remove the prototype for
13701 instantiate_virtual_regs.
13703 * regmove.c (regmove_optimize, combine_stack_adjustments):
13705 * rtl.h: Remove the prototypes for regmove_optimize and
13706 combine_stack_adjustments.
13708 2006-01-17 Roger Sayle <roger@eyesopen.com>
13710 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13711 (size_cost): Encode costs in bytes so that a reg-reg addition is
13712 equivalent to COSTS_N_INSNS(1).
13713 (override_options): Use the size_cost.branch_cost as the default
13714 ix86_branch_cost when optimizing for size.
13716 2006-01-18 Ben Elliston <bje@au.ibm.com>
13718 * Makefile.in (D32PBIT_FUNCS): New.
13719 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13720 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13721 D64PBIT_FUNCS and D128PBIT_FUNCS.
13722 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13723 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13725 (decnumber_dep): Define.
13726 * doc/libgcc.texi (Decimal float library routines): New node.
13727 * config/dfp-bit.h, config/dfp-bit.c: New files.
13729 2006-01-18 Ben Elliston <bje@au.ibm.com>
13731 * expr.c (emit_move_change_mode): Always adjust addresses, not
13732 just during reload. Copy replacements only during reload.
13733 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13734 emit_move_via_integer.
13736 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13738 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13739 instead of $(srcdir) and ${srcdir}.
13741 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13744 PR middle-end/11135
13745 * arm.h (struct machine_function): Add pic_reg.
13746 * arm.c (arm_pic_register): Make unsigned.
13747 (arm_override_options): Only set arm_pic_register if
13748 TARGET_SINGLE_PIC_BASE.
13749 (use_return_insn): Only test for a pic register if it is fixed.
13750 (arm_compute_save_reg0_reg12_mask): Likewise.
13751 (thumb_compute_save_reg_mask): Likewise.
13752 (legitimate_pic_operand): Factor out some known invariants.
13753 (legitimize_pic_address): If we don't have a fixed pic register,
13754 then set up a pseudo in the function entry sequence. Handle the
13755 pic base being in a pseudo.
13756 (arm_load_pic_register): Handle the pic register being in a pseudo.
13757 (arm_expand_prologue): Only set up the pic register if it is fixed.
13758 (thumb_expand_prologue): Likewise.
13759 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13760 (pic_load_addr_based_insn): Likewise.
13761 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13764 2006-01-18 Ben Elliston <bje@au.ibm.com>
13766 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13767 decimal float modes for all floating point registers.
13769 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13770 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13772 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13775 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13776 even when the pointer is not NULL.
13778 2006-01-16 Ian Lance Taylor <ian@airs.com>
13780 * common.opt (ftoplevel-reorder): New option.
13781 * cgraph.c (cgraph_asm_nodes): New global variable.
13782 (cgraph_asm_last_node): New static variable.
13783 (cgraph_order): New global variable.
13784 (cgraph_create_node): Set new order field.
13785 (cgraph_varpool_node): Likewise.
13786 (decide_is_variable_needed): Return true if not
13787 flag_toplevel_reorder.
13788 (cgraph_add_asm_node): New function.
13789 * cgraph.h (struct cgraph_node): Add order field.
13790 (struct cgraph_varpool_node): Add order field.
13791 (struct cgraph_asm_node): Define.
13792 (cgraph_asm_nodes, cgraph_order): Declare.
13793 (cgraph_add_asm_node): Declare.
13794 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13796 (cgraph_varpool_assemble_pending_decls): Call it.
13797 (cgraph_output_pending_asms): New static function.
13798 (cgraph_finalize_compilation_unit): Call it.
13799 (struct cgraph_order_sort): Define.
13800 (cgraph_output_in_order): New static function.
13801 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13802 !flag_toplevel_reorder case.
13803 * c-parser.c: Include "cgraph.h".
13804 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13806 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13807 than -fno-unit-at-a-time.
13808 * doc/invoke.texi (Option Summary): Mention
13809 -fno-toplevel-reorder.
13810 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13811 -funit-at-a-time documentation.
13813 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13814 Kazu Hirata <kazu@codesourcery.com>
13816 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13818 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13820 * Makefile.in (FUNCTION_H): New. Use it instead of
13821 function.h throughout the file.
13822 * function.h: Include tree.h.
13824 2006-01-17 Ben Elliston <bje@au.ibm.com>
13826 * recog.c: Separate some functions with whitespace.
13828 2006-01-16 Richard Henderson <rth@redhat.com>
13830 Merge from gomp branch:
13831 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13832 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13833 and rename from struct inline_data. Rename callee* to dst*;
13834 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13835 transform_new_cfg, transform_return_to_modify, and
13836 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13838 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13839 (copy_decl_for_dup): Remove.
13840 * tree-inline.c (struct inline_data): Move to header.
13841 (insert_decl_map): Export.
13842 (remap_decl): Update for member name changes. Use copy_decl hook.
13843 Allow for replacement to be a non-decl. Remove dead code.
13844 (remap_type_1): Check for existing mapping.
13845 (remap_type): Export.
13846 (remap_decls): Update for member name changes.
13847 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13848 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13849 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13850 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13851 (tree_function_versioning, build_duplicate_type): Likewise.
13852 (copy_body_r): Likewise. Export.
13853 (copy_decl_for_dup): Split into ...
13854 (copy_decl_for_dup_finish, copy_decl_to_var,
13855 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13856 (replace_ref_tree, inlining_p): Remove.
13858 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13860 * ifcvt.c (if_convert): Make it static.
13861 * rtl.h: Remove the prototype for if_convert.
13863 * local-alloc.c (local_alloc): Make it static.
13864 * rtl.h: Remove the prototype for local_alloc.
13866 * loop.c (loop_optimize): Make it static.
13867 * cfgloop.h: Remove the prototype for loop_optimize.
13870 2006-01-16 DJ Delorie <dj@redhat.com>
13872 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13875 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13877 * pa.md: Disparage copies between general and floating-point registers
13878 in 32-bit move patterns.
13880 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13883 * Makefile.in (check-%): Depend on site.exp instead of
13884 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13887 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13889 * global.c (global_alloc): Make it static.
13890 * rtl.h: Remove the prototype for global_alloc.
13892 2006-01-16 Richard Guenther <rguenther@suse.de>
13894 * tree-ssa-alias.c (struct used_part): Add write_only field.
13895 (get_or_create_used_part_for): Initialize it to true.
13896 (create_overlap_variables_for): Don't create structure variables
13897 for structures that only are written to.
13898 (find_used_portions): Handle MODIFY_EXPR to track whether a
13899 structure is only written to.
13901 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13903 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13905 * basic-block.h: Remove the prototype for
13906 partition_hot_cold_basic_blocks.
13908 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13910 * cppspec.c (lang_specific_spec_functions): Remove.
13911 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13912 * gcc.h (lang_specific_spec_functions): Remove.
13913 * gccspec.c (lang_specific_spec_functions): Remove.
13915 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13917 * combine.c (record_value_for_reg): Invalidate registers
13919 (record_dead_and_set_regs_1): Likewise, by passing them to
13920 record_value_for_reg.
13921 (record_dead_and_set_regs): Invalidate stores made by a
13922 call. We do not combine across a call, but we still
13923 relied on equivalences.
13925 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13927 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13928 vrp_int_const_binop returning non-constant nodes.
13930 2006-01-16 Paul Brook <paul@codesourcery.com>
13932 * config/m68k/m68k.c (output_move_const_into_data_reg):
13933 Output correct mnemonic for mvz and mvs.
13935 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13937 * rtl-factoring.c: Add sequence abstraction algorithm.
13938 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13939 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13941 (block_has_preserve_label): New function.
13942 * common.opt: Register new pass.
13943 * Makefile.in: Ditto.
13945 * timevar.def: Ditto.
13946 * tree-pass.h: Ditto.
13947 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13948 * rtl.h (make_jump_insn_raw): Add forward decl.
13949 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13951 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13952 Roger Sayle <roger@eyesopen.com>
13954 * fold-const.c (fold_minmax): New static function.
13955 (fold_binary) <MIN_EXPR>: Call it.
13956 <MAX_EXPR>: Likewise.
13957 * stor-layout.c (place_field): Use DECL_SIZE consistently
13958 in the computation of the new record size.
13960 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13962 * cse.c (cse_condition_code_reg): Make it static.
13963 * rtl.h: Remove the prototype for cse_condition_code_reg.
13965 * combine.c (combine_instructions): Make it static.
13966 * rtl.h: Remove the prototype for combine_instructions.
13968 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13971 * tree.c (get_file_function_name_long): Concatenate the first global
13972 object name with a string derived from the input filename of the object
13975 2006-01-16 Ben Elliston <bje@au.ibm.com>
13977 * config/i386/winnt-stubs.c: Update FSF address.
13978 * config/xtensa/ieee754-df.S: Ditto.
13979 * config/xtensa/ieee754-sf.S: Ditto.
13981 2006-01-14 Ian Lance Taylor <ian@airs.com>
13983 * ifcvt.c (noce_init_if_info): New static function, broken out of
13984 noce_process_if_block.
13985 (noce_process_if_block): Call noce_init_if_info.
13986 (check_cond_move_block): New static function.
13987 (cond_move_process_if_block): New static function.
13988 (process_if_block): Call cond_move_process_if_block.
13990 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13992 * cselib.c (hash_table): Rename to cselib_hash_table.
13993 (cselib_clear_table, discard_useless_values,
13994 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13995 cselib_init, cselib_finish): Adjust uses of hash_table.
13997 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13999 PR tree-optimization/25485
14000 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14001 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14002 is known to be false and true, respectively.
14004 2006-01-14 Richard Guenther <rguenther@suse.de>
14006 PR tree-optimization/22548
14007 PR tree-optimization/22555
14008 PR tree-optimization/22501
14009 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14010 * params.def (salias-max-array-elements): New parameter.
14011 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14012 * doc/invoke.texi (salias-max-array-elements): Document.
14013 * tree-flow-inline.h (var_can_have_subvars): We also handle
14015 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14017 * tree-ssa-structalias.c (params.h): Include.
14018 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14019 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14020 (get_constraint_for): For ADDR_EXPR operating on something
14021 containing an ARRAY_REF, add all subvars to the solution.
14022 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14023 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14024 for creating MUST_DEFs.
14025 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14027 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14029 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14031 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14032 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14033 number_of_iterations_le): New functions.
14034 (number_of_iterations_special): Removed.
14035 (number_of_iterations_exit): Do not use number_of_iterations_special.
14036 * tree.c (unsigned_type_for): Always return integer type.
14038 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14039 Richard Guenther <rguenther@suse.de>
14041 PR rtl-optimization/24257
14042 * gcse.c (find_moveable_store): Only consider a store movable
14043 when the SET_SRC of the insn can be assigned to a register.
14045 2006-01-14 Ian Lance Taylor <ian@airs.com>
14047 * tree.c (tree_not_class_check_failed): New function.
14048 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14049 (tree_not_class_check_failed): Declare.
14051 2006-01-13 Ian Lance Taylor <ian@airs.com>
14053 * reload1.c (do_output_reload): Add assertion rejecting a
14056 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14058 * combine.c (struct reg_stat): Add new fields truncation_label and
14060 (record_value_for_reg): Reset truncated_to_mode.
14061 (record_truncated_value): New function.
14062 (check_promoted_subreg): Call it. Rename to check_conversions.
14063 (combine_instructions): Rename check_promoted_subreg to
14065 (reg_truncated_to_mode): New function.
14066 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14067 (gen_lowpart_or_truncate): New function.
14068 (force_to_mode): Use it instead of gen_lowpart.
14070 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14072 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14073 VAR is a tag, not its type tag.
14075 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14077 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14078 alternatives to match style of other entries.
14079 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14081 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14083 PR tree-optimization/25771
14084 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14087 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14090 * tree-inline.c (declare_return_variable): If the return variable
14091 was marked as a non gimple complex, set the return slot variable
14092 to be a non gimple comple variable.
14094 2006-01-13 Richard Guenther <rguenther@suse.de>
14096 * builtins.c (expand_builtin_sincos): New function.
14097 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14099 (expand_builtin): Expand sincos using expand_builtin_sincos.
14101 2006-01-12 DJ Delorie <dj@redhat.com>
14103 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14104 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14105 so that constant shifts can be split.
14106 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14107 (m32c_valid_pointer_mode): Make static.
14108 (shift_gen_func_for): New.
14109 (m32c_prepare_shift): Use it. Split large const shifts into
14111 * config/m32c/predicates.md (shiftcount_operand): Allow more
14113 (longshiftcount_operand): New.
14114 * doc/md.texi (Machine Constraints): Document In6.
14116 2006-01-13 Ben Elliston <bje@au.ibm.com>
14118 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14119 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14122 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14124 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14125 to try to avoid clobbering pieces of structures when we know
14126 something about the whole structure.
14127 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14129 2006-01-13 Ben Elliston <bje@au.ibm.com>
14131 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14132 return in memory, as this is no limitation is no longer present.
14134 2006-01-12 DJ Delorie <dj@redhat.com>
14136 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14137 mova with fb, and for fb+0 -> An.
14139 * config/m32c/mov.md (peephole2): Fix enabling logic.
14141 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14142 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14143 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14144 FINI_ARRAY_SECTION_ASM_OP): Define.
14146 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14148 (m32c_legitimize_reload_address): New logic to reload FB to An.
14149 (m32c_output_reg_push): Add newline.
14150 (m32c_output_reg_pop): Likewise.
14152 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14154 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14156 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14158 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14160 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14162 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14165 2006-01-11 Ben Elliston <bje@au.ibm.com>
14167 * rtlanal.c (find_reg_note): Assert insn is not null.
14169 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14171 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14174 2006-01-11 Jeff Law <law@redhat.com>
14176 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14178 (mark_threaded_blocks, register_jump_thread): New functions.
14179 (thread_through_all_blocks): Remove unwanted argument. No
14180 longer rely on e->aux to communicate thread target info.
14181 Call mark_threaded_blocks. Release the threaded_blocks
14182 bitmap and threaded_edges vector when complete.
14183 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14184 (threaded_blocks): Remove.
14185 (tree_ssa_dominator_optimize): Remove initialization and
14186 finalization of threaded_blocks. Simplify call to
14187 thread_through_all_blocks.
14188 (thread_across_edge): Call register_jump_thread rather than
14189 storing thread information into e->aux.
14190 (free_all_edge_infos): Simplify now that e->aux is no longer
14191 used to communicate with thread_through_all_blocks.
14192 * tree-flow.h (thread_through_all_blocks): Update prototype.
14193 (register_jump_thread): Prototype.
14195 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14197 * df-core.c (df_compact_blocks, df_bb_replace): Use
14198 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14200 2006-01-11 Richard Guenther <rguenther@suse.de>
14202 PR tree-optimization/25734
14203 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14204 stop propagation after successful propagation to the LHS.
14206 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14208 * basic-block.h (control_flow_graph): Change the type of
14209 x_basic_block_info to VEC(basic_block,gc) *.
14210 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14212 (SET_BASIC_BLOCK): New.
14213 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14214 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14215 * cfgbuild.c (find_basic_blocks): Likewise.
14216 * cfglayout.c (fixup_reorder_chain): Likewise.
14217 * cfgrtl.c (create_basic_block_structure,
14218 rtl_create_basic_block): Likewise.
14219 * ifcvt.c (find_if_case_1): Likewise.
14220 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14223 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14225 * Makefile.in: Removed rotted odf.c entry.
14227 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14230 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14231 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14232 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14233 output pattern modifier, not %e.
14234 * config/cris/cris.c (cris_op_str): Update comment about pattern
14236 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14237 before falling through into...
14238 <case 'E'>: Redefined from old 'e' case.
14240 2006-01-11 Jan Hubicka <jh@suse.cz>
14243 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14245 2006-01-11 Jan Hubicka <jh@suse.cz>
14247 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14248 * i386.c (x86_decompose_lea): Kill.
14249 (ix86_rtx_costs): Kill.
14251 2006-01-11 Jan Hubicka <jh@suse.cz>
14253 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14254 * cgraph.h (cgraph_node): Add inline_decl.
14255 (cgraph_insert_node_to_hashtable): Declare.
14256 (save_inline_function_body): Declare.
14257 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14259 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14260 (cgraph_function_versioning): Update call of tree_function_versioning.
14261 (save_inline_function_body): New function.
14262 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14263 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14264 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14265 (cgraph_default_inline_p): Likewise.
14266 (cgraph_decide_inlining_incrementally): Likewise.
14267 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14268 (copy_bb): Kill saving; do updating of clones.
14269 (copy_cfg_body): Kill saving.
14270 (initialize_inlined-parameters): Likewise.
14271 (expand_call_inline): Likewise.
14273 (tree_function_versioning): New parameter "update_clones".
14274 (inlining_p): Kill saving.
14275 * tree-inline.h (tree_function_versioning): Update prototype.
14276 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14279 2006-01-11 Ian Lance Taylor <ian@airs.com>
14281 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14282 Allow undoing set of machine mode.
14283 (do_SUBST): Use enums instead of is_int.
14284 (do_SUBST_MODE): New function.
14285 (SUBST_MODE): New macro.
14286 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14287 reg and trying to replace reg_regno_rtx with a new register.
14288 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14289 (simplify_set): Use SUBST_MODE.
14290 (distribute_notes): Remove code that tried to update reg notes
14291 for regno_reg_rtx changes.
14293 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14295 PR tree-optimization/23109
14296 PR tree-optimization/23948
14297 PR tree-optimization/24123
14299 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14300 * tree-cfg.c (single_noncomplex_succ): New.
14301 * tree-flow.h (single_noncomplex_succ): Declare it.
14302 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14303 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14304 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14305 insert_bb, register_division_in, insert_reciprocals,
14306 replace_reciprocal, free_bb): New.
14307 (execute_cse_reciprocals_1): Rewritten.
14308 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14309 Do not commit any edge insertion. Always compute dominators and
14310 create the allocation pool.
14311 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14312 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14313 * targhooks.c (default_min_divistions_for_recip_mul): New.
14314 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14315 * passes.c (init_optimization_passes): Run recip after tree loop
14317 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14319 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14320 Kenneth Zadeck <zadeck@naturalbridge.com>
14322 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14323 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14324 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14325 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14326 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14327 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14328 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14329 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14330 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14331 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14332 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14333 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14334 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14335 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14336 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14337 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14338 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14339 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14340 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14341 DF_SCAN_POST_ALLOC): New macros.
14342 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14343 df_free_bb_function, df_local_compute_function, df_init_function,
14344 df_dataflow_function, df_confluence_function_0,
14345 df_confluence_function_n, df_transfer_function,
14346 df_finalizer_function, df_free_function, df_dump_problem_function,
14347 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14348 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14349 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14350 df_urec_bb_info, ) New types.
14351 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14353 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14354 df_analyze_simple_change_some_blocks,
14355 df_analyze_simple_change_one_block, df_compact_blocks,
14356 df_bb_replace, df_bb_regno_last_use_find,
14357 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14358 df_insn_regno_def_p, df_find_def, df_find_use,
14359 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14360 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14361 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14362 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14363 debug_df_chain, df_get_dependent_problem, df_chain_create,
14364 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14365 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14366 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14367 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14368 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14369 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14370 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14371 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14372 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14373 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14374 df_reorganize_refs, df_set_state, df_hard_reg_init,
14375 df_read_modify_subreg_p) New public functions.
14376 * df-core.c: The core dataflow solver and glue routines for rtl
14378 (df_init, df_add_problem, df_set_blocks, df_finish,
14379 df_hybrid_search_forward, df_hybrid_search_backward,
14380 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14381 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14382 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14383 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14384 df_reg_defined, df_find_use, df_reg_used, df_dump,
14385 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14386 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14387 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14388 debug_df_useno, reset_df_after_reload): New functions.
14389 * df-scan.c: The scanning fuctions, once in df.c, completely
14390 rewritten so that they now fully model the functionality of
14391 register usage at the backend.
14392 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14393 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14394 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14395 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14396 df_get_artificial_defs, df_get_artificial_uses,
14397 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14398 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14399 df_refs_delete, df_reorganize_refs, df_set_state,
14400 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14401 df_def_record_1, df_defs_record, df_uses_record,
14402 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14403 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14404 df_record_exit_block_uses, df_hard_reg_init): New functions.
14406 * df-problems.c: Seven concrete dataflow problems that use the
14407 scanning in df-scan.c and are solved by the engine in df-core.c.
14408 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14409 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14410 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14411 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14412 df_ru_free_bb_info, df_ru_alloc,
14413 df_ru_bb_local_compute_process_def,
14414 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14415 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14416 df_ru_transfer_function, df_ru_free, df_ru_dump,
14417 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14418 df_rd_free_bb_info, df_rd_alloc,
14419 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14420 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14421 df_rd_transfer_function, df_rd_free, df_rd_dump,
14422 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14423 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14424 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14425 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14426 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14427 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14428 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14429 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14430 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14431 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14432 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14433 df_urec_mark_reg_use_for_earlyclobber,
14434 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14435 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14436 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14437 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14438 df_chain_create_bb_process_use, df_chain_create_bb,
14439 df_chain_finalize, df_chain_free, df_chains_dump,
14440 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14441 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14442 df_reg_lifetime): New functions.
14443 * df.c: Deleted file.
14444 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14445 consistent with new df api.
14446 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14447 rest_of_handle_sms): Ditto.
14448 * web.c (unionfind_union, union_defs, entry_register, web_main):
14450 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14451 invariant_expr_equal_p, find_defs, check_dependencies,
14452 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14453 free_inv_motion_data, move_loop_invariants): Ditto.
14454 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14455 Update dependencies.
14456 (odf.c): Added defective entry that was deleted later in day.
14457 * sched-deps.c (sched_analyze_1): Ditto.
14459 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14461 * tree-ssa-operands.c (get_expr_operands): Record addressable
14462 variables directly. Do not call add_stmt_operands for CONST_DECLs
14464 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14465 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14467 2006-01-11 Ben Elliston <bje@au.ibm.com>
14469 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14470 function returns true in the positive case.
14472 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14475 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14476 for SI, DI, SF and DF modes. Add alternatives to copy between
14477 general and floating point registers to the 32-bit patterns.
14478 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14479 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14480 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14481 generating 64-bit code.
14482 * config/pa/pa.c (output_move_double): Handle copies between general
14483 and floating registers.
14485 2006-01-10 Stuart Hastings <stuart@apple.com>
14487 * config/i386/i386.md (set_got): Update.
14488 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14489 (builtin_setjmp_receiver): Mach-O support.
14490 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14491 (GOT_SYMBOL_NAME): Define.
14492 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14493 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14494 * config/i386/i386.c (override_options): Revise for Darwin.
14495 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14496 support. (darwin_x86_file_end): New. (output_set_got): Add label
14497 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14498 * config/i386/i386-protos.h (output_set_got): Likewise.
14499 * config/darwin.c (machopic_legitimize_pic_address): Update
14502 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14504 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14505 when MODE isn't BLKmode.
14507 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14509 PR rtl-optimization/25367
14510 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14512 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14515 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14516 for a negative bound.
14518 2006-01-10 Richard Guenther <rguenther@suse.de>
14520 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14521 Never override with anything constraint.
14523 2006-01-10 Jan Beulich <jbeulich@novell.com>
14525 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14526 256 bits when optimize_size.
14528 2006-01-10 Jan Beulich <jbeulich@novell.com>
14530 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14532 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14533 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14536 2006-01-10 Ben Elliston <bje@au.ibm.com>
14538 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14540 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14541 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14542 (USE_FP_FOR_ARG): Reject decimal float modes.
14543 (function_arg_advance): Likewise.
14544 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14545 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14546 point types in AltiVec vectors.
14547 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14548 (rs6000_libcall_value): Likewise.
14550 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14552 * config/xtensa/ieee754-df.S: New file.
14553 * config/xtensa/ieee754-sf.S: New file.
14554 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14555 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14556 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14558 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14560 * config/sh/predicates.md (binary_float_operator,
14561 binary_logical_operator, commutative_float_operator,
14562 equality_comparison_operator, greater_comparison_operator,
14563 less_comparison_operator, logical_operator,
14564 noncommutative_float_operator, shift_operator,
14565 symbol_ref_operand, unary_float_operator): Remove redundant
14568 2006-01-09 Jeff Law <law@redhat.com>
14570 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14571 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14572 now unused arguments. Callers updated.
14573 (eliminate_redundant_computations): Remove now unused arguments,
14575 (local_fold): Remove, no longer used.
14576 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14578 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14579 (simplify_cond): New function.
14580 (forward_propagate_into_cond): Call simplify_cond.
14582 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14584 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14585 (*vec_extractv2di_1_sse): New.
14587 2006-01-09 Ben Elliston <bje@au.ibm.com>
14589 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14591 2006-01-08 Richard Guenther <rguenther@suse.de>
14593 * tree-ssa-structalias.c (get_constraint_for): Remove
14594 anyoffset argument.
14595 (get_constraint_for_component_ref): Likewise.
14596 (do_deref): Likewise.
14597 (get_constraint_for): Likewise.
14598 (do_structure_copy): Likewise.
14599 (handle_ptr_arith): Likewise.
14600 (find_func_aliases): Likewise. Remove unused need_anyoffset
14603 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14604 Kaz Kojima <kkojima@gcc.gnu.org>
14606 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14607 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14608 (EXTRA_CONSTRAINT_C16): Remove.
14609 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14610 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14611 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14612 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14613 constants of SHmedia. Handle nested constant expressions of
14615 (andcosts): Fix the costs for SHmedia constants.
14616 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14617 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14618 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14619 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14620 (movv4hi_i, movv2si_i): Likewise.
14621 (movsi_const): Adjust the second operand of ior so to match with
14622 the Csu constraint.
14623 (movdi_const, movdi_const_32bit): Likewise.
14624 (movdi_const_16bit+1): Don't sign-extend LOW.
14625 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14627 (*double_shori): Fix the split condition. Use GEN_INT instead
14628 of get_int_mode calls. Mask lower 16-bit of the argument of
14630 (sym2GOTPLT): Remove.
14631 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14633 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14634 instead of EXTRA_CONSTRAINT_C16.
14636 2006-01-07 Ian Lance Taylor <ian@airs.com>
14637 David Edelsohn <edelsohn@gnu.org>
14639 PR rtl-optimization/25662
14640 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14641 for constant operands instead of simplify_gen_binary.
14642 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14643 after trying simplify_binary_operation
14645 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14647 * tree.c (iterative_hash_expr): Hash decls based on UID.
14649 2006-01-06 Eric Christopher <echristo@apple.com>
14651 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14652 (TARGET_UNWIND_EMIT): Fix spelling.
14653 * target.h (gcc_target): Add except_table_label.
14654 * except.c (output_function_exception_table): Use.
14655 * varasm.c (default_emit_except_table_label): New.
14656 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14658 (asm_out): Add here.
14659 * output.h (default_emit_except_table_label): Prototype.
14660 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14661 * config/darwin.c (darwin_emit_except_table_label): Define.
14662 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14664 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14666 PR tree-optimization/18527
14667 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14668 number_of_iterations_special, number_of_iterations_exit):
14669 Move base and step of an iv to a single structure. Add
14670 no_overflow flag, and use it in # of iterations analysis.
14671 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14672 folded_casts argument.
14673 (simple_iv): Pass base and step in a structure. Set no_overflow
14675 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14676 Evaluate expensiveness of computing # of iterations instead of
14677 the final expression.
14678 * tree-scalar-evolution.h (affine_iv): New structure.
14679 (simple_iv): Declaration changed.
14680 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14681 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14682 find_givs_in_stmt): Changed due to simple_iv change.
14684 2006-01-06 Jeff Law <law@redhat.com>
14687 * tree-cfg.c (bsi_replace): Rename final argument from
14688 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14689 change (stmt -> orig_stmt).
14690 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14691 (bsi_remove): Add new argument. Remove EH information
14693 (verify_eh_throw_table_statements): New function.
14694 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14696 * tree-optimize.c (execute_free_cfg_annotations): Verify
14697 the EH throw statement table after removing annotations.
14698 * except.h (verify_eh_throw_table_statements): Prototype.
14699 * tree-flow.h (bsi_remove): Update prototype.
14700 * tree-vrp.c (remove_range_assertions): Add new argument to
14702 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14703 * tree-complex.c (expand_complex_div_wide): Likewise.
14704 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14705 * tree-tailcall.c (eliminate_tailcall): Likewise.
14706 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14707 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14708 * tree-nrv.c (tree_nrv): Likewise.
14709 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14710 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14711 (combine_blocks): Likewise.
14712 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14713 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14714 (cleanup_control_flow): Likewise.
14715 (remove_forwarder_block): Likewise.
14716 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14717 * tree-sra.c (sra_replace): Likewise.
14718 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14719 (forward_propagate_single_use_vars): Likewise.
14720 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14721 * tree-inline.c (expand_call_inline): Likewise.
14722 * tree-vect-transform.c (vect_transform_loop): Likewise.
14723 * tree-outof-ssa.c (rewrite_trees): Likewise.
14724 * tree-cfg.c (make_goto_expr_edges): Likewise.
14725 (cleanup_dead_labels): Likewise.
14726 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14727 (bsi_move_before, bsi_move_after): Likewise.
14728 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14729 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14731 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14734 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14736 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14737 on non gimple variables. Also add checks at the top for decls and
14739 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14741 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14742 and IMAGPART_EXPR for creating MUST_DEFs.
14743 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14744 and NAME_MEMORY_TAG separately from the DECLs.
14746 2006-01-06 Richard Guenther <rguenther@suse.de>
14748 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14749 annotation, if necessary.
14750 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14751 redundant calls to update_stmt.
14752 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14755 2006-01-05 Richard Henderson <rth@redhat.com>
14757 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14759 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14761 * c-typeck.c: Update copyright date.
14763 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14765 * c-typeck.c (build_c_cast): Always warn when casting
14766 from a pointer to an integer of different size, even if
14767 the node was constant.
14769 2006-01-05 Richard Guenther <rguenther@suse.de>
14771 PR tree-optimization/22555
14772 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14773 if one structure field is an array.
14774 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14775 operands even if we found a subvar, but ignore VOPs in this
14777 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14779 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14781 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14783 PR middle-end/24998
14784 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14786 2006-01-05 Richard Guenther <rguenther@suse.de>
14787 Diego Novillo <dnovillo@redhat.com>
14789 * tree-pass.h (TODO_remove_unused_locals): Define.
14790 * gimple-low.c (expand_var_p, remove_useless_vars,
14791 pass_remove_useless_vars): Remove. Update all users.
14792 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14793 (remove_unused_locals): New function.
14794 * tree-flow.h (remove_unused_locals): Declare.
14795 * passes.c (execute_todo): Call remove_unused_locals if
14796 TODO_remove_unused_locals is set.
14797 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14798 * tree-ssa-dce.c (pass_dce): Likewise.
14799 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14801 2006-01-05 Richard Guenther <rguenther@suse.de>
14803 * tree-flow.h (struct fieldoff): Decompose field to
14804 type, size and decl.
14805 * tree-ssa-alias.c (create_sft): Take type as parameter.
14806 (create_overlap_variables_for): Store type, size and decl
14807 in the fieldoff structure.
14808 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14809 of struct fieldoff.
14810 (push_fields_onto_fieldstack): Likewise.
14811 (create_variable_info_for): Likewise. Use offset for the
14812 SFT name if the decl is not available.
14814 2006-01-04 Paul Brook <paul@codesourcery.com>
14816 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14818 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14820 * lambda-code.c (can_put_in_inner_loop): Relax
14822 (can_put_after_inner_loop): New function.
14823 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14824 (perfect_nestify): Change to make copies and modify uses.
14826 2006-01-04 Richard Henderson <rth@redhat.com>
14828 Merge from gomp branch:
14829 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14830 via integer constant.
14831 (pragma_lex): Remove.
14832 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14833 rather than parsing it.
14834 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14835 handle_pragma_extern_prefix): Add %< %> quotes.
14836 (registered_pragmas): New.
14837 (c_register_pragma_1): New.
14838 (c_register_pragma): Use it.
14839 (c_register_pragma_with_expansion): Likewise.
14840 (c_invoke_pragma_handler): New.
14841 (init_pragma): Use cpp_register_deferred_pragma directly for
14843 * c-pragma.h (enum pragma_kind): New.
14844 (pragma_handler): New.
14845 (c_invoke_pragma_handler): Declare.
14846 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14848 * c-common.h (c_common_pch_pragma): Update decl.
14849 * Makefile.in (c-parser.o): Update dependencies.
14850 (GTFILES): Add c-pragma.h.
14851 * c-parser.c (struct c_token): Add pragma_kind.
14852 (struct c_parser): Add in_pragma.
14853 (c_lex_one_token): Always initialize keyword and pragma_kind.
14854 Extract data for CPP_PRAGMA.
14855 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14856 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14857 Don't allow CPP_PRAGMA_EOL if in_pragma.
14858 (c_parser_consume_pragma): New.
14859 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14860 (c_parser_skip_to_end_of_parameter): Likewise.
14861 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14862 (c_parser_skip_to_pragma_eol): New.
14863 (c_parser_external_declaration): Handle CPP_PRAGMA.
14864 (c_parser_compound_statement_nostart): Likewise.
14865 (c_parser_statement_after_labels): Likewise.
14866 (c_parser_pragma): New.
14867 (pragma_lex): Likewise.
14868 (c_parser_pragma_pch_preprocess): New.
14869 (c_parser_new): Merge into ...
14870 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14872 2006-01-04 Jeff Law <law@redhat.com>
14875 * tree-cfg.c (bsi_replace): Remove the original statement
14876 from the EH throw statement table.
14878 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14880 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14881 make the prototype extern "C" and add throw ().
14884 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14885 and pos non-negative and pos + len <= 32.
14886 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14887 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14888 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14891 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14892 as well as sizes not multiple of component size.
14895 * function.c (instantiate_expr): New function.
14896 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14897 walk its DECL_VALUE_EXPR with instantiate_expr.
14899 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14900 DW_OP_deref{,_size} if address isn't going to be added.
14902 2006-01-04 Ben Elliston <bje@au.ibm.com>
14904 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14905 * config/fp-bit.c: Likewise.
14907 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14909 * dominance.c: Add comment about why we use DFS numbering
14912 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14913 Richard Henderson <rth@redhat.com>
14915 Merge from gomp-branch:
14916 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14917 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14919 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14921 PR rtl-optimization/25578
14922 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14923 pass a parameter to simplify_shift_const if changing ASHIFTRT
14926 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14928 * builtins.c (get_builtin_sync_mem): New function.
14929 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14930 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14931 Call get_builtin_sync_mem to generate mem rtx.
14933 2006-01-03 Richard Guenther <rguenther@suse.de>
14936 * stmt.c (add_case_node): Make sure to clear overflow flags
14939 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14941 Merge from gomp-branch.
14942 * config/sparc/sync.md: New file.
14943 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14944 UNSPECV_LDSTUB): New constants.
14945 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14946 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14947 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14950 2006-01-03 Roger Sayle <roger@eyesopen.com>
14952 * combine.c (reg_subword_p): New predicate to test whether the
14953 destination of a set refers to a subword/piece of a register.
14954 (try_combine): Generalize the code to merge the setting of a
14955 pseudo to a constant followed by a set of a subword of that
14956 register to a constant.
14958 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14960 * basic-block.h (control_flow_graph): Change the type of
14961 x_label_to_block_map to VEC(basic_block,gc) *.
14962 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14963 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14965 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14966 VEC(basic_block,heap) *.
14967 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14968 ssa_prop_fini): Adjust the uses of cfg_blocks.
14970 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14972 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14974 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14975 hashing trees instead of a pointer hash.
14976 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14977 compare for MEM_EXPR.
14979 PR rtl-optimization/25130
14980 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14981 when comparing MEMs for GCSE
14983 2006-01-03 Ben Elliston <bje@au.ibm.com>
14985 * targhooks.h (default_decimal_float_supported_p): Declare.
14986 * targhooks.c (default_decimal_float_supported_p): Define.
14987 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14988 `default_decimal_float_supported_p'.
14989 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14991 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14993 * combine.c (apply_distributive_law <SUBREG>): Check
14994 TRULY_NOOP_TRUNCATION.
14996 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14998 * dwarf2out.c (have_switched_text_section): Delete.
14999 (have_multiple_function_sections): New.
15000 (have_location_lists): Make 'bool'.
15001 (add_AT_loc_list): Use 'true' not '1'.
15002 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15003 (output_loc_list): Use have_multiple_function_sections.
15004 (output_ranges): Likewise.
15005 (dwarf2out_begin_function): Set have_multiple_function_sections if
15007 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15008 Check function_section rather than DECL_SECTION_NAME.
15009 (dwarf2out_finish): Use have_multiple_function_sections.
15010 Don't clear have_location_lists.
15012 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15013 Jan Hubicka <jh@suse.cz>
15015 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15016 case of conditional jump jumping to the next instruction.
15017 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15018 cases of conditional jump jumping to the next instruction.
15020 2006-01-02 Jan Hubicka <jh@suse.cz>
15022 * i386.c (*_cost): Add COSTS_N_INSNS.
15023 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15025 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15028 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15030 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15032 * config/arm/arm.c (all_fpus): Fix comment typo.
15033 * config/darwin.c: Likewise.
15034 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15035 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15036 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15038 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15040 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15041 (rs6000_split_compare_and_swapqhi): New.
15042 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15043 (sync_compare_and_swapqhi_internal): New.
15044 * config/rs6000/rs6000-protos.h: Declare.