1 2006-09-14 Richard Guenther <rguenther@suse.de>
2 Kazu Hirata <kazu@codesourcery.com>
5 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8 with TARGET_FUNCTION_VALUE.
10 2006-09-14 Anatoly Sokolov <aesok@post.ru>
13 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
15 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
17 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
20 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
23 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
26 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
28 * basic_block.h (bb_has_eh_pred): Fix comment.
30 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
32 * flow.c (calculate_global_regs_live): Invalidate eh registers
33 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
34 (propagate_block): Handle eh registers as if they were set at basic
36 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
38 * global.c (global_conflicts): Make eh registers to conflict with
39 pseudos live at basic block begin.
40 * basic_block.h (bb_has_eh_pred): New function.
42 2006-09-13 Richard Sandiford <richard@codesourcery.com>
44 PR rtl-optimization/28982
45 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
46 index of a PRE_MODIFY or POST_MODIFY address.
47 * reload1.c (inc_for_reload): Use find_replacement on the original
48 base and index registers.
50 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
52 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
53 for -Os. Update __m128 alignment requirement.
55 2006-09-13 Jan Hubicka <jh@suse.cz>
57 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
59 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
61 PR rtl-optimization/28243
62 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
63 the insn to which the note was originally attached.
65 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
66 Roger Sayle <roger@eyesopen.com>
68 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
69 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
70 on platforms that don't use dwarf for debug info.
72 2006-09-12 Jason Merrill <jason@redhat.com>
75 * builtins.c (expand_builtin_setjmp_receiver): Clobber
76 hard_frame_pointer_rtx after using it to update the frame pointer.
78 2006-09-12 Roger Sayle <roger@eyesopen.com>
80 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
81 (TARGET_ASM_CLOSE_PAREN): Likewise.
82 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
83 (TARGET_ASM_CLOSE_PAREN): Likewise.
85 2006-09-12 Roger Sayle <roger@eyesopen.com>
88 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
89 frame information for frames larger than 512 Kbytes on Tru64 when
90 using the native assembler.
92 2006-09-12 Roger Sayle <roger@eyesopen.com>
96 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
97 and symbols. Instead use the implementation from cse.c's hash_rtx.
99 2006-09-12 Jan Hubicka <jh@suse.cz>
101 PR rtl-optimization/28071
102 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
103 (vect_transform_loop): Likewise.
104 * tree-vectorizer.c (new_loop_vec_info): Likewise.
105 (new_loop_vec_info): Likewise.
106 (destroy_loop_vec_info): Likewise.
107 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
108 (create_stmt_ann): Likewise.
109 (create_tree_ann): Rename to ...
110 (create_tree_common_ann): ... this one; allocate only the common part
112 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
113 (get_value_handle): Likewise.
114 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
116 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
117 (vinfo_for_stmt): Use stmt annotations.
118 * tree-flow.h (tree_ann_common_t): New type.
119 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
120 (tree_ann, get_tree_ann, create_tree_ann): New.
121 * tree-flow-inline.h (get_function_ann): Do more type checking.
122 (stmt_ann): Likewise.
123 (tree_ann): Rename to ...
124 (tree_common_ann): ... this one; return ony common_ann
125 (get_tree_ann): Rename to ...
126 (tree_common_ann): This one; return only common_ann.
127 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
130 2006-09-11 Geoffrey Keating <geoffk@apple.com>
132 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
135 * dwarf2out.c (dwarf_file_data): New.
136 (enum dw_val_class): Add dw_val_class_file.
137 (struct dw_val_struct): Add val_file.
138 (file_table): Change to a hash table.
139 (file_table_emitted): Delete.
140 (file_table_last_lookup_index): Delete.
142 (last_emitted_file): New.
143 (lookup_filename): Change prototype to return a struct dwarf_file_data.
144 (init_file_table): Delete.
145 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
146 (AT_addr): Add comment.
150 (print_die): Handle dw_val_class_file.
151 (print_dwarf_line_table): Update for new file table structure.
152 (attr_checksum): Do checksum a filename.
153 (same_dw_val_p, same_attr_p): Do compare a filename.
154 (size_of_die): Handle dw_val_class_file.
155 (value_format): Likewise.
156 (output_die): Likewise. Also, call maybe_emit_file here.
157 (struct file_info): Constify filenames. Make file_idx a pointer
158 to a struct dwarf_file_data.
159 (struct dir_info): Constify directory names. Remove 'used' field.
160 (struct file_name_acquire_data): New.
161 (file_name_acquire): New.
162 (output_file_names): Modify to handle new file data structures.
163 (add_src_coords_attributes): Use add_AT_file.
164 (add_call_src_coords_attributes): Likewise.
165 (dwarf2out_imported_module_or_decl): Likewise.
166 (gen_subprogram_die): Modify for new file data structures.
167 (gen_variable_die): Likewise.
168 (file_table_eq): New.
169 (file_table_hash): New.
170 (file_table_last_lookup): New.
171 (lookup_filename): Rewrite to handle new file data structures.
172 (maybe_emit_file): Rewrite to handle new file data structures.
173 (dwarf2out_source_line): Always call lookup_filename and
175 (dwarf2out_init): Create file_table here.
176 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
177 (file_table_relative_p): New.
178 (dwarf2out_finish): Change detection of relative filenames
179 to work with new file data structures. Move output_line_info call
180 after debug_info output.
182 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
187 * config/i386/i386.c (override_options): Always default to 16
190 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
193 * var-tracking.c (dump_dataflow_set): Start dumping at
195 (clobber_variable_part): Kill only the variable part in
196 registers holding it, leaving other variables alone.
198 2006-09-11 Josh Triplett <josh@freedesktop.org>
200 * doc/extend.texi (Other Builtins): Actually use the macro
201 argument in the documentation example for
202 __builtin_types_compatible_p.
204 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
206 PR rtl-optimization/28726
207 * sched-deps.c (sched_analyze_reg): New function extracted from...
208 (sched_analyze_1): ...here. Call it to analyze references to
209 registers. Treat again writes to a stack register as writing to the
211 (sched_analyze_2): ...and here. Call it to analyze references to
212 registers. Treat again reads of a stack register as reading the
215 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
216 David Edelsohn <edelsohn@gnu.org>
219 * config/rs6000/spe.md (frob_df_di): Remove %H.
220 (frob_di_df): Remove %H. Change evmergelo to mr.
221 (frob_di_df_2): Remove %H. Change evldd to two loads.
223 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
225 * doc/cpp.texi: Fix names of charset options.
227 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
230 * config/i386/i386.c (override_options): Use 128-bit
231 stack boundary always for 64bits.
233 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
235 PR rtl-optimization/28636
236 * combine.c (force_to_mode): Test for side-effects before
237 substituting by zero.
238 (simplify_shift_const): Likewise for zero or other constants.
240 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
243 * builtins.c (expand_builtin_setjmp): Force next_lab to be
246 2006-09-10 Richard Sandiford <richard@codesourcery.com>
249 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
250 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
251 returned by mode_for_size, rather than the mode of src itself,
252 to choose between 32-bit and 64-bit patterns.
253 (mips_mem_fits_mode_p): New function.
254 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
255 that the size of the source matches the size of the destination.
256 (mov_<store>l, mov_<store>r): Likewise.
258 2006-09-10 Eric Christopher <echristo@apple.com>
260 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
263 2006-09-09 Eric Christopher <echristo@apple.com>
266 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
269 2006-09-09 Roger Sayle <roger@eyesopen.com>
270 Nicolas Setton <setton@adacore.com>
272 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
274 2006-09-10 Andreas Schwab <schwab@suse.de>
276 * config/m68k/m68k.md (bungt_rev): New pattern.
278 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
279 Dale Johannesen <dalej@apple.com>
282 * regclass.c (struct reg_pref): Update documentation.
283 (regclass): Set prefclass to NO_REGS if memory is the best option.
284 (record_reg_classes): Cope with a prefclass set to NO_REGS.
286 2006-09-08 Eric Christopher <echristo@apple.com>
288 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
289 * config/t-slibgcc-darwin: Support x86_64 multilib.
290 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
291 Return 1 for x86_64-darwin.
292 * config/i386/t-darwin: Add m64 multilib.
293 (LIB2_SIDITI_CONV_FUNCS): Use.
294 (LIB2FUNCS_EXTRA): Ditto.
295 * config/i386/darwin.h: Support x86_64.
296 * config/i386/i386.c (override_options): Turn on flag_pic
297 for x86_64-darwin. Disable flag_omit_pointer.
298 (get_pc_thunk_name): Assert !TARGET_64BIT.
299 (legitimate_address_p): Disable machopic addressing for
301 (legitimize_pic_address): Ditto.
302 (ix86_expand_move): Ditto.
303 (ix86_expand_call): Ditto.
304 (machopic_output_stub): Ditto.
305 * config/darwin.c (machopic_select_section): Support literal16.
306 (machopic_select_rtx_section): Ditto.
307 * config/darwin-sections.def: Ditto.
308 * config/darwin-64.c: New.
310 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
313 * c-tree.h (struct c_arg_info): Add pending_sizes.
314 * c-parser.c (c_parser_parms_declarator,
315 c_parser_parms_list_declarator): Initialize pending_sizes.
316 * c-decl.c (get_parm_info): Initialize pending_sizes.
317 (get_parm_info): Set pending_sizes.
318 (grokdeclarator): Call put_pending_sizes for parameters for
319 function definition only.
321 2006-09-07 Jason Merrill <jason@redhat.com>
324 * varasm.c (output_constant): Only strip actual no-op conversions.
327 * config/i386/i386.c (override_options): Use 128-bit
328 stack boundary if -msse.
330 2006-09-07 Eric Christopher <echristo@apple.com>
332 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
334 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
337 2006-09-07 Geoffrey Keating <geoffk@apple.com>
339 * dwarf2out.c: Remove strange characters from comment above
340 dwarf2out_frame_debug_expr.
342 2006-09-07 Eric Christopher <echristo@apple.com>
344 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
345 * config/darwin.h: ... to here.
347 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
349 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
351 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
352 (TARGET_PARTIAL_FLAG_REG_STALL): New.
354 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
355 TARGET_PARTIAL_FLAG_REG_STALL.
356 (*ashldi3_cconly_rex64): Likewise.
357 (*ashlsi3_cmp): Likewise.
358 (*ashlsi3_cconly): Likewise.
359 (*ashlsi3_cmp_zext): Likewise.
360 (*ashlhi3_cmp): Likewise.
361 (*ashlhi3_cconly): Likewise.
362 (*ashlqi3_cmp): Likewise.
363 (*ashlqi3_cconly): Likewise.
364 (*ashrdi3_cmp_rex64): Likewise.
365 (*ashrdi3_cconly_rex64): Likewise.
366 (*ashrsi3_cmp): Likewise.
367 (*ashrsi3_cconly): Likewise.
368 (*ashrsi3_cmp_zext): Likewise.
369 (*ashrhi3_cmp): Likewise.
370 (*ashrhi3_cconly): Likewise.
371 (*ashrqi3_cmp): Likewise.
372 (*ashrqi3_cconly): Likewise.
373 (*lshrdi3_cmp_rex64): Likewise.
374 (*lshrdi3_cconly_rex64): Likewise.
375 (*lshrsi3_cmp): Likewise.
376 (*lshrsi3_cconly): Likewise.
377 (*lshrsi3_cmp_zext): Likewise.
378 (*lshrhi3_cmp): Likewise.
379 (*lshrhi3_cconly): Likewise.
380 (*lshrqi2_cmp): Likewise.
381 (*lshrqi2_cconly): Likewise.
383 2006-09-07 Uros Bizjak <uros@kss-loka.si>
386 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
387 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
388 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
389 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
390 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
391 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
392 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
393 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
394 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
395 implement only CC setting effects of shift instructions.
397 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
399 * doc/contrib.texi: Add myself.
401 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
404 * stor-layout.c (relayout_decl): Don't zero the alignment if it
407 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
410 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
411 (divsi_inv_m1): Use them.
412 (UNSPEC_DIV_INV_TABLE): New constant.
414 2006-09-06 James E Wilson <wilson@specifix.com>
417 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
418 then call count_or_remove_death_notes.
420 2006-09-06 Jason Merrill <jason@redhat.com>
423 * tree-inline.c (copy_result_decl_to_var): New fn.
424 (declare_return_variable): Use it. Call declare_inline_vars here.
425 (expand_call_inline): Not here.
427 2006-09-06 Diego Novillo <dnovillo@redhat.com>
429 * doc/contrib.texi: Update my entry.
431 2006-09-06 Nick Clifton <nickc@redhat.com>
433 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
435 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
438 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
439 (canonicalize_induction_variables): Likewise.
440 (tree_unroll_loops_completely): Likewise.
441 (tree_ssa_prefetch_arrays): Likewise.
442 (remove_empty_loops): Likewise.
443 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
444 TODO_cleanup_cfg instead of directly calling
445 cleanup_tree_cfg_loop.
446 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
448 (tree_unroll_loops_completely): Likewise.
449 (remove_empty_loops): Likewise.
450 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
451 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
452 of tree_ssa_unswitch_loops.
453 (tree_ssa_loop_ivcanon): Use the return value of
454 canonicalize_induction_variables.
455 (tree_ssa_empty_loop): Use the return value of
457 (tree_complete_unroll): Use the return value of
458 tree_unroll_loops_completely.
459 (tree_ssa_loop_prefetch): Use the return value of
460 tree_ssa_prefetch_arrays.
461 * passes.c (execute_todo): Before Cleanup CFG, set
462 updating_used_alone and after cleanup CFG, call
463 recalculate_used_alone.
465 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
468 * tree-vect-transform.c (vectorizable_condition): Move the check
469 for the type after the check for simple condition.
471 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
472 Kaz Kojima <kkojima@gcc.gnu.org>
475 * mode-switching.c (optimize_mode_switching): Make the destination
476 block of an abnormal edge have no anticipatable mode. Don't
477 insert mode switching code at the end of the source block of
480 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
482 PR rtl-optimization/26847
483 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
484 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
485 (simplify_plus_minus): Count n_constants while filling ops. Replace
486 qsort with insertion sort. Before going through the array to simplify
487 pairs, sort it. Delay early exit until after the first sort, exiting
488 only if no swaps occurred. Simplify pairs in reversed order, without
489 special-casing the first iteration. Pack ops after simplifying pairs.
491 2006-09-05 Anatoly Sokolov <aesok@post.ru>
493 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
494 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
495 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
496 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
498 2006-09-05 Richard Guenther <rguenther@suse.de>
500 PR tree-optimization/28900
501 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
502 compound conditional before creating COND_EXPR condition.
504 2006-09-05 Richard Guenther <rguenther@suse.de>
506 PR tree-optimization/28905
507 * tree-vrp.c (fix_equivalence_set): Manually implement
508 !value_ranges_intersect_p to also handle symbolic ranges.
510 2006-09-05 Richard Guenther <rguenther@suse.de>
513 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
516 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
518 PR rtl-optimization/27616
519 * cse.c (table_size): New static variable.
520 (new_basic_block): Initialize it to 0.
521 (remove_from_table): Decrement it.
522 (insert): Increment it.
523 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
524 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
525 fold_rtx_mem_1 if under the cap.
526 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
527 the lookup of the equivalent expression and test for equality of the
528 first operand of the equivalent expression before in turn looking up
529 an equivalent constant for the second operand.
531 2006-09-02 Geoffrey Keating <geoffk@apple.com>
534 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
535 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
536 pointer, instead of assuming it is possible to derive the
537 correct args size from a call insn.
539 2006-09-02 Jakub Jelinek <jakub@redhat.com>
542 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
543 (fold_builtin_mempcpy): Rename to...
544 (fold_builtin_memory_op): ... this. Optimize one element copy
546 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
548 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
549 (expand_builtin_memcpy, expand_builtin_mempcpy,
550 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
551 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
552 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
553 BUILT_IN_MEM{CPY,PCPY,MOVE}.
555 2006-09-01 DJ Delorie <dj@redhat.com>
557 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
559 ("stzx_24_<mode>"): Likewise.
560 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
561 ("cmp<mode>_op"): New.
562 (cmp<mode>): Change to expander; just save operands.
564 (b<code>): Change to expander, emit compare here.
565 (s<code>_op): Change to use split and expander.
566 (s<code>_24_op): Likewise.
567 (s<code>_<mode>): New.
568 (s<code>_<mode>_24): New.
569 (movqicc_<code>_<mode): New.
570 (movhicc_<code>_<mode>): New.
573 * config/m32c/m32c.c (compare_op0, compare_op1): New.
574 (m32c_pend_compare): New.
575 (m32c_unpend_compare): New.
576 (m32c_expand_scc): New.
577 (m32c_expand_movcc): Emit the compare also.
578 * config/m32c/predicates.md (mra_nopp_operand): New.
580 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
581 Richard Guenther <rguenther@suse.de>
582 Adam Nemet <anemet@caviumnetworks.com>
585 * builtins.c (get_pointer_alignment): Handle more forms
586 of base addresses that can be used to derive more precise
587 information about alignment.
589 2006-09-01 Jason Merrill <jason@redhat.com>
592 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
595 * gimplify.c (voidify_wrapper_expr): Handle null type.
597 2006-09-01 Josh Conner <jconner@apple.com>
600 * tree-nrv.c (dest_safe_for_nrv_p): New function.
601 (execute_return_slot_opt): Use it.
603 2006-08-31 Josh Conner <jconner@apple.com>
606 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
607 returning aggregates.
609 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
611 PR tree-optimization/28839
612 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
613 blocks in that phi arguments appear.
615 2006-08-31 Roger Sayle <roger@eyesopen.com>
618 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
619 NULL, otherwise use an advance_loc4 to adjust relative to the
621 (output_cfi) <DW_CFA_set_loc>: Update the current label.
622 (dwarf2out_switch_text_section): Reset the current label to avoid
623 using advance_loc4 over section boundaries.
625 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
628 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
629 r12 + SYMBOLIC_CONST.
631 2006-08-30 Richard Guenther <rguenther@suse.de>
633 * Makefile.in (see.o): Add $(EXPR_H) dependency.
635 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
637 PR rtl-optimization/27735
638 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
639 Add new argument to keep track of whether an irreducible region
640 was affected. All callers changed.
641 (fix_irreducible_loops): Removed.
642 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
643 flags were invalidated.
645 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
647 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
648 instead of SF operands.
649 (*fop_df_comm_sse): Likewise.
650 (*fop_df_comm_i387): Likewise.
651 (*fop_df_1_mixed): Likewise.
652 (*fop_df_1_sse): Likewise.
654 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
655 J"orn Rennecke <joern.rennecke@st.com>
657 PR tree-optimization/17506
658 * tree-ssa.c (warn_uninit): If warning about a location outside of
659 the current function, note where the variable was declared.
661 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
663 PR tree-optimization/28411
664 * double-int.c (double_int_div): Use double_int_divmod.
665 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
666 double_int_mod, double_int_smod, double_int_umod): New functions.
667 * double-int.h (double_int_divmod, double_int_sdivmod,
668 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
670 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
672 (get_computation_aff, get_computation_cost_at): Handle double_int
673 return type of constant_multiple_of.
675 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
678 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
679 an implicit conversion.
681 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
683 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
685 2006-08-27 Roger Sayle <roger@eyesopen.com>
687 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
690 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
692 * config/i386/crtfastmath.c: Fix a comment typo.
694 2006-08-26 Roger Sayle <roger@eyesopen.com>
696 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
697 temporary visit flags on CASE_LABEL_EXPRs.
698 * c-common.c (match_case_to_enum): Add function comment. Avoid
699 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
700 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
701 CASE_HIGH_SEEN for enumerated types. If the switch expression is
702 a constant, only warn if that constant value isn't handled.
704 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
707 * input.h (restore_input_file_stack): Declare.
708 (INPUT_FILE_STACK_BITS): Define.
709 * toplev.c (fs_p, input_file_stack_history,
710 input_file_stack_restored, restore_input_file_stack): New.
711 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
712 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
713 (pop_srcloc): Don't free old state of stack.
715 2006-08-26 David Edelsohn <edelsohn@gnu.org>
718 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
719 (PowerPC Type Attributes): New.
721 2006-08-26 Bob Wilson <bob.wilson@acm.org>
723 * config/xtensa/xtensa.c (function_arg_boundary): New.
724 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
726 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
727 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
729 2006-08-26 Jakub Jelinek <jakub@redhat.com>
732 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
735 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
737 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
738 (verify_local_live_at_start): Likewise.
740 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
743 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
744 omp_add_variable): Treat sizes as variable whenever not
747 2006-08-26 Richard Guenther <rguenther@suse.de>
750 * fold-const.c (fold_binary): Fold temporary to correct
751 type before constructing new comparison.
753 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
756 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
757 variable again if DECL_SEEN_IN_BIND_EXPR_P.
759 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
762 * c-decl.c (start_function): Don't try to process prototype
763 information from old declaration that isn't a function.
765 2006-08-25 Jan Hubicka <jh@suse.cz>
768 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
770 2006-08-25 Alan Modra <amodra@bigpond.net.au>
773 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
776 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
778 PR tree-optimization/16876
779 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
780 exit if PARM doesn't match VALUE.
782 2006-08-25 Bob Wilson <bob.wilson@acm.org>
784 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
785 literal_prefix directive.
786 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
787 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
788 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
790 2006-08-25 David Edelsohn <edelsohn@gnu.org>
793 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
794 predicate to general_operand. Add 0->y and I->r alternatives.
796 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
798 * doc/tm.texi: Fix a typo.
799 * predict.c: Fix comment typos.
801 2006-08-25 Nick Clifton <nickc@redhat.com>
803 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
804 assertions of "cpu" and "machine".
806 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
809 * tree-ssa-operands.c (access_can_touch_variable): Don't say
810 the access through a base which has an alias set of 0 cannot
813 2006-08-24 Bill Wendling <wendling@apple.com>
815 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
817 2006-08-24 Jan Hubicka <jh@suse.cz>
819 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
821 2006-08-24 Jan Hubicka <jh@suse.cz>
824 * cgraph.c: Fix comments.
825 (cgraph_varpool_mark_needed_node): Mark only variables not already
827 * cgraphunit.c: Update comments; include gt-cgraphunit.h
828 (cgraph_varpool_assembled_nodes_queue): New static variable.
829 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
830 (cgraph_varpool_output_debug_info): New function.
831 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
832 * Makefile.in: Add gt-cgraphunit.h
834 2006-08-24 Jan Hubicka <jh@suse.cz>
836 * predict.c (probability_reliable_p): New predicate.
837 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
838 (predict_loops): Do not predict loop exit with less than 2%
840 * basic-block.h (edge_probability_reliable_p,
841 br_prob_note_reliable_p): Declare.
842 * ia64.h (ia64_print_operand): Do not disable on-chip branch
843 prediction when static predictor is not reliable.
844 * rs6000.c (output_cbranch): Likewise.
846 2006-08-23 Stuart Hastings <stuart@apple.com>
849 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
850 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
852 2006-08-21 Geoffrey Keating <geoffk@apple.com>
855 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
856 complex values, nor for generic vector values.
858 2006-08-22 Richard Guenther <rguenther@suse.de>
861 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
862 parameter. Convert arguments to arithmetic expression to the
864 (analyze_scalar_evolution_1): Adjust caller.
866 2006-08-22 Jan Hubicka <jh@suse.cz>
868 Patch by Paolo Bonzini
869 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
872 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
874 PR tree-optimization/28003
875 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
876 before grouping aliases.
878 2006-08-22 Roger Sayle <roger@eyesopen.com>
880 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
881 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
883 2006-08-21 Jason Merrill <jason@redhat.com>
886 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
887 wrapper. Loop to handle nested wrappers.
888 (gimplify_bind_expr): Remove temp parameter.
889 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
890 and STATEMENT_LIST on the rhs.
891 (gimplify_statement_list): Voidify the STATEMENT_LIST.
892 (gimplify_expr): Pass pre_p to gimplify_statement_list.
893 (gimplify_target_expr): Remove special BIND_EXPR handling.
895 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
897 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
900 2006-08-21 Olivier Hainque <hainque@adacore.com>
902 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
903 Arrange for the temporary captures of components overlapping the lhs
904 to happen before the lhs is possibly cleared.
906 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
908 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
909 necessary places to pass the correct "number of registers" values
912 2006-08-20 Jan Hubicka <jh@suse.cz>
914 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
915 (create_name_tags): Instead of quadratic checking use hashtable.
916 * bitmap.h: Include hashtab.h.
917 (bitmap_hash): Declare.
918 * bitmap.c (bitmap_hash): New function.
920 2006-08-20 Jan Hubicka <jh@suse.cz>
922 PR rtl-optimization/28071
923 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
925 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
926 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
927 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
928 cgraph_decide_inlining_incrementally): Update use of
929 cgraph_check_inline_limits.
930 * cgraph.c (edge_hash, edge_eq): New function.
931 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
932 cgraph_edge_remove_caller, cgraph_node_remove_callees,
933 cgraph_remove_node): Maintain call site hash.
934 * cgraph.h (struct cgraph_node): Add call_site_hash.
935 (cgraph_set_call_stmt): New function.
937 2006-08-20 Jan Hubicka <jh@suse.cz>
939 PR rtl-optimization/28071
940 * reload1.c (reg_has_output_reload): Turn into regset.
941 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
942 choose_reload_regs, emit_reload_insns): Update to new
943 reg_has_output_reload.
945 2006-08-20 Jan Hubicka <jh@suse.cz>
948 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
950 * cgraphunit.c (cgraph_analyze_function): Don't do so.
952 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
955 * tree.c (handle_dll_attribute): Return early if not a
956 var or function decl.
958 2006-08-18 Joseph Myers <joseph@codesourcery.com>
961 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
962 alignment of SPE vector types.
964 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
966 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
968 2006-08-17 Jakub Jelinek <jakub@redhat.com>
971 * cgraph.h (struct cgraph_node): Remove externally_visible
973 * cgraphunit.c (process_function_and_variable_attributes): Set
974 local.externally_visible rather than externally_visible.
977 * c-common.c (handle_externally_visible_attribute): First look
978 at TREE_CODE and only if it is function or var decl, check for
979 non-public objects. Don't warn for DECL_EXTERNAL.
980 * cgraphunit.c (process_function_and_variable_attributes): Warn
981 if externally_visible attribute is used on non-public object.
983 2006-08-17 Jan Hubicka <jh@suse.cz>
985 PR tree-optimization/27865
986 * reload1.c (forget_marked_reloads): New function.
987 (forget_old_reloads_1): When data are passed, just mark the registers
989 (reload_as_needed): Use the new mechanizm.
991 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
994 * reload.h (reg_equiv_alt_mem_list): New declaration.
995 * reload1.c (reg_equiv_alt_mem_list): New definition.
996 (reload): Initialize it and release it.
997 (delete_output_reload): Use it.
998 * reload.c (push_reg_equiv_alt_mem): New function.
999 (find_reloads_toplev): Call it.
1000 (find_reloads_address, find_reloads_address_1): Likewise.
1001 (find_reloads_subreg_address): Likewise.
1003 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1005 PR rtl-optimization/28489
1006 * sched-ebb.c (begin_schedule_ready): Create basic block
1008 (advance_target_bb): Skip empty blocks.
1009 * haifa-sched.c (bb_note): Make global.
1010 * sched-int.h (bb_note): Add prototype.
1012 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1014 PR tree-optimization/27865
1015 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1017 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1018 fold_used_pointer, pointer_used_p): New functions.
1019 (analyze_scalar_evolution_1): Use fold_used_pointer.
1020 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1021 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1024 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1027 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1028 or the INTEGER_CST. Fail on a CALL_EXPR.
1029 (fold_offsetof): Pass new argument to fold_offsetof_1.
1030 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1031 operand into an INDIRECT_REF.
1032 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1034 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1036 PR gcov/profile/26570
1037 * value-prof.c (static_values): Removed.
1038 (tree_find_values_to_profile): Do not set static_values.
1039 (find_values_to_profile): Do not free static_values.
1040 * profile.c (instrument_values): Do not free the values.
1041 (branch_prob): Free the values.
1043 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1045 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1047 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1050 * c-typeck.c (build_component_ref): Combine qualifiers of
1051 structure or union and field.
1053 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1055 PR rtl-optimization/28071
1056 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1057 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1058 * tree-into-ssa.c (struct dom_dfsnum): New.
1059 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1061 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1062 compute_global_livein.
1063 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1064 in phi nodes in the correct blocks.
1066 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1068 PR tree-optimization/28364
1069 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1071 (fold_affine_expr): New function.
1072 (may_eliminate_iv): Use fold_affine_expr.
1074 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1077 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1080 2006-08-16 Mike Stump <mrs@apple.com>
1082 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1083 * doc/cppopts.texi (-MD): Likewise.
1085 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1088 * c-common.c (handle_weak_attribute): Ignore and warn if
1089 not a FUNCTION_ or VAR_DECL.
1091 2006-07-15 Mike Stump <mrs@apple.com>
1094 * c-parser.c (c_parser_typeof_specifier): Don't use
1095 c_finish_expr_stmt, open code desired semantics instead.
1097 2006-08-15 Nick Clifton <nickc@redhat.com>
1099 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1100 fragment to tmake_file only if threads are enabled.
1101 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1102 * config/i386/t-gthr-win32: New file. ... here.
1104 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1107 * c-parser.c (c_parser_compound_statement_nostart): Reset
1108 parser->error after each statement.
1110 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1113 * omp-low.c (lower_omp_parallel): Convert t to
1114 receiver_decl's type.
1115 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1116 source before comparison.
1119 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1120 to itype in assignment to oldival2.
1122 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1126 * c-typeck.c (build_compound_expr): If the second expression
1127 is an error mark, then just return an error mark instead of
1128 creating a COMPOUND_EXPR.
1130 2006-07-14 Mike Stump <mrs@apple.com>
1132 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1134 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1136 * c-decl.c, var-tracking.c: Fix comment typos.
1138 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1140 PR rtl-optimization/28634
1141 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1142 for floating-point modes unless flag_unsafe_math_optimizations.
1144 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1145 Andrew Pinski <pinskia@physics.uc.edu>
1148 * tree.c (build_array_type): Unify array types with
1149 unspecified index_type.
1150 * c-decl.c (grokdeclarator): Make sure we do not modify a
1151 unified incomplete array type.
1152 * c-typeck.c (store_init_value): Create distinct type before
1153 filling in the index type in an initializer from a compound
1156 * c-decl.c (grokdeclarator): Remove code where we copy the
1159 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1161 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1162 into account for TODO_dump_cgraph.
1163 (TODO_update_ssa_no_phi): Likewise.
1164 (TODO_update_ssa_full_phi): Likewise.
1165 (TODO_update_ssa_only_virtuals): Likewise.
1166 (TODO_remove_unused_locals): Likewise.
1167 (TODO_set_props): Likewise.
1168 (TODO_update_stmt_usage): Likewise.
1170 2006-08-13 Dirk Mueller <dmueller@suse.de>
1172 * c-common.c (strict_aliasing_warning): Fix formatting.
1174 2006-08-13 Matthias Klose <doko@debian.org>
1176 * doc/invoke.texi: Fix spelling errors.
1178 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1180 PR rtl-optimization/23454
1181 * reorg.c (relax_delay_slots): Update comment.
1183 2006-08-11 Richard Guenther <rguenther@suse.de>
1186 * simplify-rtx.c (simplify_const_relational_operation):
1187 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1190 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1192 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1193 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1195 2006-08-10 Paul Brook <paul@codesourcery.com>
1197 * final.c (final_scan_insn): Clear current_insn_predicate before
1198 outputting inline asm.
1200 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1202 PR tree-optimization/26197
1203 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1204 get_ref_base_and_extent and overlap_subvar to add only relevant
1205 subvars as may-aliases.
1206 (add_may_alias_for_new_tag): New function, factored out of
1208 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1209 with additional argument.
1210 * tree-flow.h (new_type_alias): Takes additional argument.
1212 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1214 * gcov.c (no_data_file): New flag.
1215 (read_count_file): Set it if data file not present. Assume counts
1217 (output_lines): Don't name the data file, if there wasn't one.
1219 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1221 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1222 (rs6000_generate_compare): Tweak comments.
1223 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1225 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1227 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1228 (var_debug_decl): New function.
1229 (var_reg_set): Follow debug decl link. Add location even if
1230 reg is already known to hold some other variable.
1231 (var_mem_set): Follow debug decl link.
1232 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1233 decl link. Delete other known locations of the variable part
1235 (var_reg_delete, var_mem_delete): Delete other known locations
1236 of the variable part if requested.
1237 (same_variable_part_p): New function.
1238 (add_stores): Select MO_COPY when appropriate.
1239 (vt_initialize): Handle it.
1240 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1241 known locations for MO_SET and MO_CLOBBER.
1242 (find_variable_location_part): New function.
1243 (set_variable_part, delete_variable_part): Use it.
1244 (clobber_variable_part): New function.
1245 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1248 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1250 PR tree-optimization/26969
1251 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1252 with an empty list of PHIs.
1254 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1258 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1261 2006-08-06 Andreas Schwab <schwab@suse.de>
1263 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1264 string. Whitespace and comment fixup.
1266 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1269 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1273 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1276 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1278 2006-08-04 Jan Hubicka <jh@suse.cz>
1282 * reload.c (push_reload): Patch out the mismatching instruction;
1284 (find_reload): Bail out if the instruction was patched out.
1286 2006-08-04 Jan Hubicka <jh@suse.cz>
1288 PR tree-optimization/24888
1289 * tree-inline.c (expand_call_inline): Do not re-record variables.
1290 (declare_inline_vars): Add variable to unexpanded_var_list.
1292 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1293 Roger Sayle <roger@eyesopen.com>
1295 PR rtl-optimization/26244
1296 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1297 inner_const are negative or greater than or equal to the bitsize of
1298 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1299 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1300 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1301 CONST0_RTX (mode) when the new shift count is greater than or equal to
1302 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1305 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1307 * tree-cfg.c: Fix a comment typo.
1309 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1312 * varasm.c (output_constant): Give the front end another chance to
1313 expand constants, after stripping NOPs.
1315 2006-08-03 Jan Hubicka <jh@suse.cz>
1317 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1320 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1322 PR tree-optimization/27770
1323 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1324 declaration removed (moved to tree-flow.h).
1325 (vect_can_force_dr_alignment_p): Likewise.
1326 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1327 (moved from tree-vectorizer.h).
1328 (vect_can_force_dr_alignment_p): Likewise.
1329 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1330 from outside the vectorizer - in particular from cgraph stage.
1331 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1332 the alignment of global arrays when -fsection-anchors is enabled.
1333 * cgraphunit.c (cgraph_increase_alignment): New function.
1334 (cgraph_optimize): Call cgraph_increase_alignment.
1336 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1339 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1340 not reload a SPE symbol_ref into a lo_sum address.
1342 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1345 * dwarf2out.c (prune_unused_types_prune): Move call to
1346 prune_unused_types_update_strings to cover the parent DIE also.
1348 2006-08-02 Jan Hubicka <jh@suse.cz>
1350 PR gcov/profile/28480
1351 * tree-cfg.c (change_bb_for_stmt): New function.
1352 (tree_merge_blocks, tree_split_blocks): Use it.
1354 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1360 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1361 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1362 (cgraph_optimize): Likewise.
1364 2006-08-01 Stuart Hastings <stuart@apple.com>
1366 * rtl.h (UINTVAL) New.
1367 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1368 * testsuite/gcc.dg/20060801-1.c: New.
1370 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1373 * c-typeck.c (build_external_type): Mark used enum types.
1374 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1376 (gen_subprogram_die): Whitespace fix.
1378 2006-08-01 Jan Hubicka <jh@suse.cz>
1380 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1381 bitmap when not needed.
1382 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1385 2006-08-01 Dirk Mueller <dmueller@suse.de>
1387 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1389 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1391 * Makefile.in: Revert part of previous patch:
1392 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1395 2006-07-30 Eric Christopher <echristo@apple.com>
1398 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1399 (PowerPC Variable Attributes): New section.
1401 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1403 PR target/28126 (partial fix)
1404 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1406 2006-07-28 Jan Hubicka <jh@suse.cz>
1408 PR rtl-optimization/28071
1409 * cfgrtl.c (rtl_delete_block): Free regsets.
1410 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1412 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1414 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1415 and variables used in dependencies.
1417 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1419 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1420 %fs for -mcmodel=kernel.
1421 (stack_tls_protect_test_di): Likewise.
1423 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1425 * Makefile.in: Use mkinstalldirs.
1427 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1430 * opts-common.c (prune_options): Skip joined switches.
1432 2006-07-27 Jan Hubicka <jh@suse.cz>
1434 PR rtl-optimization/28071
1435 * cselib.c (cselib_process_insn): Don't remove useless values too
1436 often for very large hashtables.
1438 2006-07-27 Jan Hubicka <jh@suse.cz>
1440 PR rtl-optimization/28071
1441 * global.c (greg_obstack): New obstack.
1442 (allocate_bb_info): Use it.
1443 (free_bb_info): Likewise.
1444 (modify_reg_pav): Likewise.
1446 2006-07-27 Roger Sayle <roger@eyesopen.com>
1448 * builtins.c (fold_fixed_mathfn): When long and long long are the
1449 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1450 functions to their lceil*, lfloor*, lround* and lrint* forms.
1452 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1455 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1457 (rev_branch_insn): Likewise.
1459 2006-07-27 Jan Hubicka <jh@suse.cz>
1461 PR rtl-optimization/28071
1462 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1463 (reg_set_in_bb, max_reg_computed): New static variables.
1464 (regmove_optimize): Free the new array.
1465 (fixup_match_1): Update call of reg_is_remote_constant_p.
1467 2006-07-26 Jan Hubicka <jh@suse.cz>
1469 PR tree-optimization/27882
1470 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1472 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1474 (cgraph_analyze_compilation_unit): Likewise.
1475 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1476 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1477 (cgraph_early_inlinine): Make order garbage collected.
1478 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1480 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1482 * dbxout.c (output_types_sort): Add a comment.
1483 (output_used_types): Free the VEC.
1485 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1487 * function.c (reorder_fix_fragments): Delete.
1488 (reorder_blocks): Don't call it.
1489 (reorder_blocks_1): Put all subblocks under the origin block.
1491 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1493 PR rtl-optimization/27907
1494 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1497 2006-07-25 Roger Sayle <roger@eyesopen.com>
1500 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1501 bar(x) check that bar's result type can represent all the values of T.
1503 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1505 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1507 2006-07-25 Nick Clifton <nickc@redhat.com>
1509 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1510 size_lookup[] array.
1511 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1512 (ggc_pch_count_object): Likewise.
1513 (ggc_pch_alloc_object): Likewise.
1514 (ggc_pch_write_object): Likewise.
1515 (init_ggc): Do not attempt to initialize entries in the
1516 size_lookup[] array for objects whose size is greater than than
1517 the length of the array.
1519 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1521 * dbxout.c (output_used_types_helper): Push queued types
1523 (output_types_sort): New.
1524 (output_used_types): Collect used types on a VEC and sort them
1527 2006-07-24 Richard Guenther <rguenther@suse.de>
1530 * cgraph.c (cgraph_remove_node): Do not check if dumps
1532 * cgraphunit.c (cgraph_optimize): Likewise.
1534 2006-07-24 Jan Hubicka <jh@suse.cz>
1536 PR rtl-optimization/28071
1537 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1538 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1539 splitting before first stmt.
1541 2006-07-24 Jan Hubicka <jh@suse.cz>
1543 PR rtl-optimization/28071
1544 * ipa-inline.c (update_caller_keys): Remove edges that
1545 are no longer inline candidates.
1547 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1550 * dbxout.c (output_used_types_helper, output_used_types): New.
1551 (dbxout_symbol): Call output_used_types.
1553 2006-07-23 Jan Hubicka <jh@suse.cz>
1557 * cgraph.c (cgraph_varpool_nodes): Export.
1558 (decide_is_variable_needed): Ignored "used" attribute in
1559 unit-at-a-time mode.
1560 * cgraph.h (cgraph_varpool_nodes): Declare.
1561 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1562 unit-at-a-time mode.
1564 2006-07-23 Roger Sayle <roger@eyesopen.com>
1567 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1568 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1569 the __gthrw form of thr_keycreate.
1570 (__gthread_key_delete): Silence the unused argument warning.
1572 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1575 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1576 Cache the last found '\0' marker to avoid quadratic behavior.
1578 2006-07-23 Jan Hubicka <jh@suse.cz>
1580 * i386.md (subsi_3_zext): Fix output template.
1582 2006-07-21 Mike Stump <mrs@apple.com>
1584 * doc/invoke.texi (C++ Dialect Options): Note that
1585 -fvisibility-inlines-hidden doesn't affect explicitly
1586 instantiationed inline methods.
1588 2006-07-20 Roger Sayle <roger@eyesopen.com>
1590 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1591 if the target assembler is GNU binutils' gas.
1592 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1593 whether to pass GNU gas or native as command line options.
1595 2006-07-20 Jason Merrill <jason@redhat.com>
1597 * tree.c (remove_attribute): New fn.
1598 * tree.h: Declare it.
1600 2006-07-20 Paul Brook <paul@codesourcery.com>
1603 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1604 they are invalidated by this instruction.
1606 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1609 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1611 2006-07-20 Eric Christopher <echristo@apple.com>
1614 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1616 2006-07-19 Eric Christopher <echristo@apple.com>
1618 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1619 Rewrite dependencies for libgcc_s.1.dylib.
1621 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1623 * except.c (duplicate_eh_regions_1): Clear next_peer.
1625 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1627 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1628 -mlongcall does not guarantee all calls will be long.
1629 * doc/extend.texi (long_call/short_call): Document that longcall
1630 does not guarantee a long call will be used.
1631 (longcall/shortcall): Likewise.
1633 2006-07-18 Roger Sayle <roger@eyesopen.com>
1636 * expmed.c (expand_shift): Additionally check that the shift_cost
1637 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1638 before implementing a LSHIFT_EXPR as a sequence of additions.
1639 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1640 middle-end that DImode shifts need to be synthesized by expand.
1642 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1645 * tree-ssa-operands.c (access_can_touch_variable): Update
1647 Return true if ALIAS is .GLOBAL_VAR.
1649 2006-07-18 David Daney <ddaney@avtrex.com>
1651 * gcc.c (display_help): Fix typo in help text.
1653 2006-07-18 Olivier Hainque <hainque@adacore.com>
1655 * tree.h (categorize_ctor_elements): Adjust prototype and add
1656 descriptive comment, both in accordance with the interface change
1658 * varasm.c (constructor_static_from_elts_p): New function.
1659 Whether a constructor node is a valid static constant initializer
1660 if all its elements are.
1661 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1662 * output.h: Declare it.
1663 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1664 is a valid constant initializer instead of computing the number of
1665 non-constant elements. Use constructor_static_from_elts_p for this
1666 purpose. Replace the head comment with an indication that this is a
1667 helper for categorize_ctor_elements.
1668 (categorize_ctor_elements): Same interface change as for the _1
1669 helper. Former head comment from this helper moved here, adjusted to
1670 account for the interface changes.
1671 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1672 (all_zeros_p): Likewise.
1673 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1674 static versions of the constructor from the categorize_ctor_elements
1675 return value instead of the formerly computed number of non-constant
1678 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1680 * configure: Regenerate.
1681 * Makefile.in (build_libsubdir): New configure substitution
1682 (build_libobjdir): New variable.
1683 (BUILD_LIBIBERTY): Use it.
1685 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1688 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1690 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1693 * c-common.c (handle_weakref_attribute): Ignore attribute in
1694 the same conditions the alias attribute is ignored.
1696 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1698 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1699 (dbxout_begin_prologue): Increment scope_labelno.
1701 2006-07-17 Richard Henderson <rth@redhat.com>
1704 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1707 2006-07-17 Roger Sayle <roger@eyesopen.com>
1708 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1710 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1711 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1712 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1713 functions such as sbrk, write, etc.. Add function prototypes.
1714 Convert function declarations from K&R to ISO C. Cast pointers
1715 to "long" and "unsigned long" instead of "int" and "unsigned int".
1716 Convert tokens following #endif into comments.
1718 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1720 * invoke.texi: Remove mention of f77; Reformat table for
1721 inline parameter options correctly; mention that -malign-double
1722 is default on x86-64 targets.
1724 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1726 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1727 (convert_affine_scev, chrec_convert_aggressive): Use
1728 avoid_arithmetics_in_type_p. Do not check for the subtypes
1731 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1734 * optabs.c (expand_doubleword_shift): Wrap the call to
1735 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1737 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1740 * optabs.c (expand_binop): Pass next_methods rather than methods
1741 to expand_doubleword_shift.
1743 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1746 * tree.h (dump_addr): Declare.
1747 * print-tree.c (dump_addr): New function.
1748 (print_node_brief, print_node): Use it.
1749 * print-rtl.c (print_rtx): Likewise.
1750 * common.opt (-fdump-noaddr): New option.
1751 * doc/invoke.texi (-fdump-noaddr): Document.
1752 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1753 (ve_info_hash): Likewise.
1755 2006-07-13 Andrew Haley <aph@redhat.com>
1757 PR tree-optimization/19505
1758 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1759 edge leaving this block, make sure that the destination of this
1760 block has only one predecessor.
1762 2006-07-17 Richard Guenther <rguenther@suse.de>
1764 PR tree-optimization/28238
1765 * tree-inline.c (copy_bb): Check if we produced valid
1766 gimple copying and substituting a stmt. If not, gimplify
1769 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1771 * optabs.c (maybe_encapsulate_block): New function extracted from...
1772 (emit_libcall_block): ...here. Invoke it on the block of insns to
1773 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1774 (emit_no_conflict_block): Likewise.
1776 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1778 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1780 2006-07-15 Roger Sayle <roger@eyesopen.com>
1782 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1783 a new NOP_EXPR case of the switch statement.
1785 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1788 * stor-layout.c (place_field): Take the bit field with
1789 an excessive size into account in the ms-bitfiled case.
1792 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1793 the previous bit field.
1795 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1798 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1800 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1802 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1803 signal frames correctly even when the signal was installed with
1806 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1808 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1809 (dbxout_function_end): Use local label LFBB. Remove hook
1811 (dbxout_source_line): Use local label LFBB.
1812 (dbxout_block): Likewise.
1813 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1814 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1815 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1816 and DBX_OUTPUT_NFUN.
1818 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1820 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1822 2006-07-13 Jan Hubicka <jh@suse.cz>
1824 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1826 * output.h (align_variable): Declare.
1827 * varasm.c (align_variable): Export.
1828 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1829 when basic block changed.
1831 2006-07-13 Nick Clifton <nickc@redhat.com>
1833 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1834 walking the LOG_LINKS chain.
1836 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1838 * doc/invoke.texi (C++ Dialect Options): Explain difference
1839 between -fvisibility-inlines-hidden and setting hidden
1840 visibility explicitly.
1842 2006-07-12 Eric Christopher <echristo@apple.com>
1844 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1845 (stmp-lipo): Depend on libgcc.a.
1847 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1849 * tree.c: Fix a comment typo.
1851 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1853 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1855 (umulhisi3_r): Likewise.
1857 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1860 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1861 x < 19, vs wchar_t support.
1863 2006-07-12 Nick Clifton <nickc@redhat.com>
1865 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1866 instead of -isa=sh4.
1868 2006-07-12 Mike Stump <mrs@apple.com>
1870 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1872 2006-07-10 Eric Christopher <echristo@apple.com>
1874 * config/t-slibgcc-darwin: Rewrite.
1876 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1879 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1882 2006-07-08 Matthias Klose <doko@debian.org>
1884 * doc/sourcebuild.texi: Fix typo.
1886 2006-07-07 Mike Stump <mrs@apple.com>
1888 * toplev.c (process_options): Don't give -ffunction-sections may
1889 affect debugging warning for Mach-O.
1891 2006-07-07 James E Wilson <wilson@specifix.com>
1893 * config/mips/mips.md (cpu): Add sb1a.
1894 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1895 addition to sb1. Adjust comments to clarify SB-1A differences from
1897 (ir_sb1a_load): New. Modify bypasses to use it.
1898 (ir_sb1a_simple_alu): Likewise.
1899 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1900 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1901 (mips_issue_rate): Add PROCESSOR_SB1A.
1902 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1903 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1904 (TARGET_SB1): Add PROCESSOR_SB1A check.
1905 (TUNE_SB1): Likewise.
1907 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1908 * config/mips/mips.c (mips_store_data_bypass_p): New.
1909 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1910 store_data_bypass_p.
1912 2006-07-08 Paul Brook <paul@codesourcery.com>
1915 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1917 2006-07-07 Richard Guenther <rguenther@suse.de>
1920 * tree.h (build_one_cst): Declare.
1921 * tree.c (build_one_cst): New function.
1922 * tree-ssa-math-opts.c (get_constant_one): Remove.
1923 (insert_reciprocals): Use build_one_cst.
1924 * fold-const.c (fold_plusminus_mult): Likewise.
1926 2006-07-07 Roger Sayle <roger@eyesopen.com>
1928 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1929 * cfgloopanal.c (dump_graph): Likewise.
1930 * dojump.c (discard_pending_stack_adjust): Likewise.
1931 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1933 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1934 * function.c (finalize_block_changes): Likewise.
1935 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1936 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1937 * rtl.c (dump_rtx_statistics): Likewise.
1938 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1940 * varray.c (dump_varray_statistics): Likewise.
1941 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1942 decode_decimal64, encode_decimal128, decode_decimal128,
1943 decimal_real_to_decimal): Likewise.
1945 2006-07-07 Richard Guenther <rguenther@suse.de>
1947 PR tree-optimization/28187
1948 * tree-vrp.c (vrp_operand_equal_p): New function.
1949 (vrp_bitmap_equal_p): Likewise.
1950 (update_value_range): Use them to compare old and new
1953 2006-07-06 Roger Sayle <roger@eyesopen.com>
1955 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1956 a default case to switch statement to silence compiler warnings.
1958 2006-07-06 Roger Sayle <roger@eyesopen.com>
1961 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1962 the configured assembler supports the x87's ffreep mnemonic.
1963 * configure: Regenerate.
1964 * config.in: Regenerate.
1966 * config/i386/i386.c (output_387_ffreep): New function.
1967 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1968 (output_387_reg_move): Likewise.
1970 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1972 Port to hosts whose 'sort' and 'tail' implementations
1973 treat operands with leading '+' as file names, as POSIX
1974 has required since 2001. However, make sure the code still
1975 works on pre-POSIX hosts.
1976 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1977 which says you should use "tail -c +N" rather than "tail +Nc".
1978 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1980 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1982 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1985 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1988 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1989 PRE_{INC,DEC} of TFmode.
1991 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1992 Alan Modra <amodra@bigpond.net.au>
1995 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1998 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2001 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2002 Remove duplicate gtu.
2004 2006-07-05 Jason Merrill <jason@redhat.com>
2008 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2009 * c-common.c (handle_packed_attribute): So don't copy it here.
2010 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2012 2006-07-05 Mike Stump <mrs@apple.com>
2014 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2016 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2019 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2021 2006-07-05 Richard Guenther <rguenther@suse.de>
2024 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2025 TARGET_SSE2 targets if using SSE math.
2026 (*absdf2_1): Likewise.
2028 2006-07-05 Richard Guenther <rguenther@suse.de>
2030 PR tree-optimization/28162
2031 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2032 make sure to convert the operands to the correct type.
2034 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2036 PR tree-optimization/28218
2038 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2039 to calculate and free the dominator information.
2041 2006-07-04 Peter O'Gorman <peter@pogma.com>
2043 * mklibgcc.in: chmod 644 before ranlib during install.
2045 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2046 J"orn Rennecke <joern.rennecke@st.com>
2048 * configure.ac (.eh_frame data check): Use diff -b.
2050 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2053 * Makefile.in (BUILD_RTL): Add build/vec.o.
2054 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2055 (build/genextract): Delete.
2056 (build/genautomata): Likewise.
2058 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2061 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2062 128-bit IBM long doubles for ABI_V4.
2064 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2066 * tree.c (range_in_array_bounds_p): New predicate.
2067 * tree.h (range_in_array_bounds_p): Declare it.
2068 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2069 return a less conservative answer.
2070 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2071 and flag 'is_group'.
2072 (IS_ELEMENT_FOR_GROUP): New macro.
2073 (FOR_EACH_ACTUAL_CHILD): Likewise.
2074 (next_child_for_group): New helper function.
2075 (can_completely_scalarize_p): Take into account groups.
2076 (sra_hash_tree): Handle RANGE_EXPR.
2077 (sra_elt_eq): Likewise.
2078 (lookup_element): Be prepared for handling groups.
2079 (is_valid_const_index): Delete.
2080 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2081 instead of is_valid_const_index.
2082 <ARRAY_RANGE_REF>: New case.
2083 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2084 is_valid_const_index.
2085 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2086 (scan_dump): Dump info for groups too.
2087 (decide_instantiation_1): Likewise.
2088 (decide_block_copy): Assert that the element is not a group.
2089 Propagate decision to groups.
2090 (generate_one_element_ref): Handle RANGE_EXPR.
2091 (mark_no_warning): Iterate over actual childs.
2092 (generate_copy_inout): Likewise.
2093 (generate_element_copy): Likewise.
2094 (generate_element_zero): Likewise.
2095 (generate_element_init_1): Likewise.
2096 (dump_sra_elt_name): Handle RANGE_EXPR.
2098 2006-07-03 Roger Sayle <roger@eyesopen.com>
2100 PR tree-optimization/26251
2101 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2102 (thread_block): When optimizing for size refuse to thread jumps
2103 that would require duplication of blocks other than redirection
2106 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2108 * configure.ac: Fix thinko in previous check-in.
2109 * configure: Regenerate.
2111 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2114 * configure.ac (for lang...): Simplify nesting of conditionals.
2115 Test subdir_requires for non-enabled languages. Move processing
2116 of lang_opt_files and lang_tree_fiels below that test.
2117 * configure: Regenerate.
2118 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2120 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2122 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2124 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2126 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2129 2006-06-29 Jason Merrill <jason@redhat.com>
2136 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2137 * c-common.c (c_determine_visibility): Handle it here.
2138 * c-decl.c (finish_decl): Call c_determine_visibility for
2140 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2142 * varasm.c (default_assemble_visibility): Likewise.
2143 * c-common.c (handle_visibility_attribute): Complain about trying
2144 to give visibility to an already defined class, or trying to change
2145 declared visibility. Always attach the attribute.
2150 * attribs.c (decl_attributes): Ignore type-in-place attributes
2151 once the type has been defined.
2153 2006-06-29 Roger Sayle <roger@eyesopen.com>
2156 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2157 to indicate the cpplib has issued an error message for us.
2159 2006-06-29 Asher Langton <langton2@llnl.gov>
2162 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2163 insert a label at the end of an function under Mach-O.
2165 2006-06-29 Eric Christopher <echristo@apple.com>
2166 Evan Cheng <evan.cheng@apple.com>
2168 * predicates.md (vector_all_ones_operand): New.
2169 (nonimmediate_or_sse_const_operand): Ditto.
2170 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2171 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2172 (standard_sse_mode_p): Ditto.
2173 (standard_sse_constant_p): Add case for -1 vector.
2174 (ix86_expand_vector_move): Try to use.
2175 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2176 Call standard_sse_constant_opcode.
2177 (*movv4sf_internal): Ditto.
2178 (*movv2df_internal): Ditto.
2180 2006-06-29 Roger Sayle <roger@eyesopen.com>
2182 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2183 of XEXP to extract the operands of a MATCH_CODE rtx.
2185 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2187 * tree.c (tree_size): Do not waste tail padding in
2188 struct tree_string and make the size be the same as
2189 build_string will generate.
2191 2006-06-28 Jason Merrill <jason@redhat.com>
2194 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2195 may_aliases already in the tag's annotations to the bitmap.
2197 2006-06-28 Roger Sayle <roger@eyesopen.com>
2199 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2201 2006-06-28 Roger Sayle <roger@eyesopen.com>
2203 * genpreds.c (generate_switch_p): New function.
2204 (add_mode_tests): Push the new mode test down inside an AND expr
2205 if this allows the switch-suitable MATCH_CODE to be near the root.
2206 (write_match_code_switch): New function to write a MATCH_CODE as
2208 (write_predicate_stmts): New function to write a predicate RTX
2209 expression as a sequence of statements.
2210 (write_one_predicate_function): Use write_predicate_stmts.
2211 (write_tm_constrs_h): Likewise.
2213 2006-06-26 Fred Fish <fnf@specifix.com>
2215 * config/mips/t-sb1: New file.
2216 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2219 2006-06-26 DJ Delorie <dj@redhat.com>
2221 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2223 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2224 Jayant Sonar <jayants@kpitcummins.com>
2225 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2227 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2228 (subsi3, subsi3_1, subsi3_2): New.
2229 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2230 * config/m32c/mov.md (SI mov peephole): New.
2231 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2232 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2234 2006-06-26 Olivier Hainque <hainque@adacore.com>
2236 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2237 a CALL_EXPR target function declaration.
2239 2006-06-26 Richard Guenther <rguenther@suse.de>
2241 * tree.c (build_string): Do not waste tail padding in
2244 2006-06-26 Richard Guenther <rguenther@suse.de>
2246 * ggc-page.c (init_ggc): Add missing element to size_lookup
2250 2006-06-23 Richard Guenther <rguenther@suse.de>
2252 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2253 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2254 alignment requests instead. Add verification code.
2255 Add struct tree_function_decl and struct tree_binfo size to
2256 extra_order_size_table. Add missing element to size_lookup
2259 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2262 * fold-const.c (const_binop): Be prepared for self returning zero.
2263 Simplify code handling complex values.
2265 2006-06-24 Olivier Hainque <hainque@adacore.com>
2267 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2268 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2271 2006-06-24 Olivier Hainque <hainque@adacore.com>
2273 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2274 ARRAY_REF, so have the callback called for the low bound expression.
2276 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2278 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2279 * c-typeck.c (c_common_type): Disallow operations on decimal float
2280 types and other float types.
2281 * convert.c (convert_to_real): Don't ignore conversions involving
2282 decimal float types.
2284 2006-06-23 Olivier Hainque <hainque@adacore.com>
2286 * tree.c (max_int_size_in_bytes): New function, inspired from
2287 code in function.c:assign_temp.
2288 * tree.h (max_int_size_in_bytes): Declare.
2289 * function.c (assign_temp): Use it.
2290 * gimplify.c (create_tmp_var): Relax the assertions on the type
2291 properties, not mandating constant size any more.
2292 (force_constant_size): New static function.
2293 (gimple_add_tmp_var): Use it, forcing variable size to a
2294 constant upper bound if it is not constant on entry.
2296 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2299 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2300 for initialization and setting of one_only flag to ...
2301 (i386_pe_encode_section_info): ...here.
2302 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2303 Recheck that the symbol has not been defined.
2305 2006-06-23 Richard Guenther <rguenther@suse.de>
2307 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2308 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2309 alignment requests instead. Add verification code.
2310 Add struct tree_function_decl and struct tree_binfo size to
2311 extra_order_size_table. Add missing element to size_lookup
2314 2006-06-22 Roger Sayle <roger@eyesopen.com>
2315 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2318 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2319 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2321 2006-06-23 Ben Elliston <bje@au.ibm.com>
2323 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2324 negate dn -- manipulate it directly.
2326 2006-06-22 Roger Sayle <roger@eyesopen.com>
2327 Steven Bosscher <stevenb.gcc@gmail.com>
2330 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2331 generated by gen_move_insn to add REG_LABEL notes if necessary.
2333 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2335 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2336 (leaf_entry): Remove use of MIN_ESA.
2338 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2340 PR rtl-optimization/28121
2341 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2344 2006-06-21 DJ Delorie <dj@redhat.com>
2346 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2348 (mulhisi3_r): Likewise.
2350 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2353 * coverage.c (coverage_counter_alloc): Leave the index type
2355 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2358 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2360 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2361 section from the "Options for Code Generation Conventions".
2363 2006-06-21 Richard Henderson <rth@redhat.com>
2367 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2369 (global_symbolic_operand): Allow weak symbols, even if local_p.
2371 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2373 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2374 (find_interesting_uses_address): Punt if above function returns true.
2376 2006-06-21 Richard Guenther <rguenther@suse.de>
2378 * configure: Regenerated.
2380 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2382 * config/mips/mips.c (function_arg): Where one part of a
2383 complex argument is in registers and the other part in the stack,
2384 return a REG not a PARALLEL.
2386 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2388 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2389 when cross-compiling. Do not substitute libstdcxx_incdir.
2390 * configure: Regenerated.
2392 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2394 * varasm.c (mergeable_string_section): Check for embedded NULs and
2395 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2396 rather than TREE_STRING_LENGTH bytes.
2398 2006-06-21 Richard Guenther <rguenther@suse.de>
2400 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2401 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2404 2006-06-21 Richrad Guenther <rguenther@suse.de>
2406 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2407 Limit iteration over the dominators.
2409 2006-06-20 Roger Sayle <roger@eyesopen.com>
2411 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2412 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2414 2006-06-20 Richard Guenther <rguenther@suse.de>
2415 Michael Matz <matz@suse.de>
2417 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2419 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2420 * et-forest.h (et_free_pools): Prototype new function.
2421 * et-forest.c (et_free_tree_force): Free parent occurrence.
2422 (et_free_pools): New function.
2423 * dominance.c (free_dominance_info): Free et-forest alloc
2426 2006-06-20 Roger Sayle <roger@eyesopen.com>
2428 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2429 integer modes, attempt to directly construct an integer constant.
2431 * fold-const.c (native_encode_vector): Determine the size of each
2432 element from the vector type instead of the first vector element.
2434 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2435 if all of its elements/components are constant.
2436 (build_constructor_from_list): Likewise.
2438 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2440 PR tree-optimization/27331
2441 * tree-data-ref.c (free_data_ref): New function.
2442 (create_data_ref): Fail if the data reference has unknown access
2444 (free_data_refs): Use free_data_ref.
2446 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2449 * tree-inline.c (setup_one_parameter): Strip useless
2450 type conversion before adding it to the IR.
2451 (declare_return_variable): Likewise.
2453 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2456 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2458 2006-06-19 Mike Stump <mrs@apple.com>
2460 * tree.c (variably_modified_type_p): VM arguments don't make the
2463 2006-06-19 Richard Guenther <rguenther@suse.de>
2465 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2466 type conversions after folding.
2468 2006-06-19 Richard Guenther <rguenther@suse.de>
2470 * ggc-page.c (extra_order_size_tab): Add entries with
2471 size of struct function and basic_block.
2472 (size_lookup): Extend to cover sizes up to 511.
2473 (ggc_alloc_stat): Adjust user.
2474 (ggc_pch_count_object): Likewise.
2475 (ggc_pch_alloc_object): Likewise.
2476 (ggc_pch_write_object): Likewise.
2478 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2480 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2481 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2484 2006-06-19 Denis Chertykov <denisc@overta.ru>
2486 * config/avr/libgcc.S : Correct my wrong previous commit.
2488 2006-06-19 Roger Sayle <roger@eyesopen.com>
2491 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2492 have stripped a SUBREG from the shift count, so we may need to
2493 convert_to_mode back to the type's mode before calling make_tree.
2494 Use new_amount instead of amount to avoid expanding a tree twice.
2496 2006-06-19 Richard Guenther <rguenther@suse.de>
2499 * fold-const.c (operand_equal_p): Check if the argument types
2500 have the same precision before stripping NOPs.
2502 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2504 Fix PR tree-optimization/27341
2505 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2507 * tree-complex.c (pass_lower_complex): Update SMT usage.
2509 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2511 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2512 Add a new alternative to the constraint strings. Add move of
2513 operand 1 to 3 to the splitter definition.
2514 ("doloop_si_long"): Second contraint alternative removed.
2516 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2518 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2519 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2521 (AVR_HAVE_MOVW) Define.
2522 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2523 (ASM_SPEC): Add avr25.
2524 (LINK_SPEC): Add avr25.
2525 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2526 (base_arch_s): Add new member 'have_movw_lpmx'.
2527 (avr_arch_types): Init 'have_movw_lpmx'.
2528 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2529 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2530 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2531 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2532 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2534 (avr_file_start): Do not output '.arh' derective.
2535 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2536 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2537 * config/avr/avr.md (mcu_enhanced): Delete.
2538 (mcu_have_movw): Define.
2539 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2540 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2541 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2542 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2543 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2544 attiny861 and at86rf401 devices.
2546 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2548 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2551 2006-06-17 Karl Berry <karl@gnu.org>
2553 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2554 doc/gccint.texi, doc/install.texi (@dircategory): Use
2555 "Software development" instead of "Programming", following
2556 the Free Software Directory.
2558 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2560 * config/i386/i386.c (legitimate_tls_address)
2561 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2562 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2563 (*tls_dynamic_gnu2_combine_64): Likewise.
2565 2006-06-16 Richard Guenther <rguenther@suse.de>
2568 * fold-const.c (negate_expr_p): Do not introduce undefined
2569 overflow in negating INTEGER_CSTs.
2570 (fold_negate_expr): Rename from negate_expr. Revert last
2571 change for folding BIT_NOT_EXPR. Change semantics to
2572 return NULL_TREE for non-simplified negations. Do not
2573 strip type conversions and unify type handling.
2574 (negate_expr): New function, wrap around fold_negate_expr
2575 but ensure building a tree always. Strip type conversions
2576 here, fold to result type.
2577 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2579 2006-06-16 Roger Sayle <roger@eyesopen.com>
2582 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2583 that (would) return their results in stack registers.
2585 2006-06-16 Michael Matz <matz@suse.de>
2586 Richard Guenther <rguenther@suse.de>
2588 * fold-const.c (fold_truthop): Only return new tree node if
2589 we canonicalized something.
2591 2006-06-16 Richard Guenther <rguenther@suse.de>
2593 * function.h (enum function_frequency): Move declaration
2594 out of struct function.
2595 (struct function): Move bool fields and the enum to the bitfield
2596 section. Reorder elements to avoid padding. Remove unused
2597 fields left over from the RTL inliner removal.
2598 * function.c (free_after_compilation): Do not zero removed fields.
2599 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2600 (ipa-type-escape.o): Likewise.
2602 2006-06-16 Richard Guenther <rguenther@suse.de>
2604 * cgraph.h (struct cgraph_local_info): Turn bool elements
2606 (struct cgraph_node): Likewise.
2607 (struct cgraph_varpool_node): Likewise.
2609 2006-06-15 Richard Guenther <rguenther@suse.de>
2611 * fold-const.c (fold_truth_not_expr): Rename from
2612 invert_truthvalue. Give it fold_* semantics to avoid
2614 (invert_truthvalue): New function. Wrapper around
2615 fold_truth_not_expr.
2616 (optimize_minmax_comparison): Avoid creating garbage.
2617 (fold_unary): Use fold_truth_not_expr for folding
2619 (fold_ternary): Replace uses of invert_truthvalue with
2620 fold_truth_not_expr where applicable.
2621 * tree.h (fold_truth_not_expr): Prototype.
2623 2006-06-16 Richard Guenther <rguenther@suse.de>
2625 PR tree-optimization/27781
2626 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2627 * ipa-pure-const.c (target.h): Include.
2628 (analyze_function): Do not analyze functions that do not
2631 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2634 * tree-dfa.c (referenced_vars_dup_list): Remove.
2635 (find_referenced_vars): Remove assert.
2636 (referenced_var_check_and_insert): Replace dup list with assert.
2637 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2638 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2640 2006-06-15 Richard Guenther <rguenther@suse.de>
2642 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2643 extra unused identifiers if not dumping.
2644 (create_variable_info_for): Likewise.
2646 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2648 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2649 (derive_constant_upper_bound): Derive more precise upper bound in
2650 common cases. Return type changed to double_int.
2651 (record_estimate): Reflect the changed return type of
2652 derive_constant_upper_bound.
2653 * double-int.c (double_int_zext, double_int_sext): Fix.
2655 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2657 * configure.ac (CFLAGS): Get them from the toplevel or from the
2658 configure invocation.
2659 * configure: Regenerate.
2660 * Makefile.in (CFLAGS): Substitute value provided by configure.
2662 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2665 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2666 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2667 rather than calling add_stmt on it.
2668 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2670 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2673 * reload1.c (reload): Remove registers returned by update_eliminables
2674 from used_spill_regs.
2676 2006-06-13 DJ Delorie <dj@redhat.com>
2678 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2680 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2682 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2683 html__strip_dir, html__mkdir_p. Enhance install-html target.
2684 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2685 * configure: Regenerate.
2687 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2689 * fold-const.c (fold_cond_expr_with_comparison): Check for
2690 Objective-C++ as language in deciding COND_EXPR transformation.
2692 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2695 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2696 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2697 * config/sh/lib1funcs.h (SL, SL1): Define.
2698 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2699 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2700 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2701 (OBJS_Os_4_200): New variable.
2702 ($(T)libgcc-Os-4-200.a): Use it.
2703 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2704 when dividing 1 and/or by 0.
2706 2006-06-13 Roger Sayle <roger@eyesopen.com>
2708 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2709 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2710 * configure: Regenerate.
2712 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2714 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2715 for real instruction.
2717 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2720 * haifa-sched.c (check_cfg): Handle special case.
2722 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2725 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2726 Add debug_info parameter. Chain the vars to the BLOCK instead
2727 of the BIND_EXPR if debug info are requested for them.
2728 (pop_gimplify_context): Adjust for above change.
2729 (gimple_add_tmp_var): Likewise.
2730 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2732 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2733 (convert_local_reference): Likewise.
2734 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2735 (finalize_nesting_tree_1): Request that debug info be emitted
2736 for debug_var_chain.
2738 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2740 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2741 for PR target/27863.
2743 2006-06-13 Richard Guenther <rguenther@suse.de>
2746 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2748 2006-06-13 Richard Guenther <rguenther@suse.de>
2750 PR tree-optimization/27830
2751 * tree-inline.c (copy_body_r): For copying the operand
2752 of an ADDR_EXPR make sure to fold &* afterwards.
2754 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2756 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2757 lvalues in the fb_none case with side-effects.
2759 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2761 * tree-flow.h: Remove the prototype for
2762 compute_phi_arg_on_exit.
2763 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2764 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2767 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2769 * builtins.c (expand_builtin_return_addr): Only use
2770 frame_pointer_rtx when count == 0 and we are expanding
2771 __builtin_return_address.
2773 2006-06-12 Fred Fish <fnf@specifix.com>
2775 * config/mips/mips.c (mips_file_start): Create special section
2776 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2778 2006-06-11 Eric Christopher <echristo@apple.com>
2781 * stor-layout.c (place_field): Remove check for
2782 remaining_in_alignment when aligning at the end of a run.
2784 2006-06-11 Eric Christopher <echristo@apple.com>
2787 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2790 2006-06-11 Roger Sayle <roger@eyesopen.com>
2793 Revert incorrect fix for PR target/27158
2794 2006-05-08 Roger Sayle <roger@eyesopen.com>
2795 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2796 of a reg_equiv_constant if the result is a legitimate constant.
2798 2006-06-11 Roger Sayle <roger@eyesopen.com>
2801 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2802 extract a CONST_VECTOR element and interpret it as an integer.
2803 (vspltis_constant): Use const_vector_elt_as_int instead of the
2804 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2805 * config/rs6000/predicates.md (easy_vector_const): Consider
2806 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2808 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2811 * stor-layout.c (update_alignment_for_field): Don't add extra
2812 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2815 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2817 * config/mips/t-rtems: Add EL/EB multilib variants.
2819 2006-06-09 Mike Stump <mrs@apple.com>
2821 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2823 2006-06-09 David Daney <ddaney@avtrex.com>
2825 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2827 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2829 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2831 2006-06-09 Richard Guenther <rguenther@suse.de>
2833 PR tree-optimization/26998
2834 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2835 of signed types, only TYPE_MIN_VALUE is special, but for both,
2836 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2837 in this case, as is -fwrapv.
2839 2006-06-08 Mike Stump <mrs@apple.com>
2842 * config/darwin.c (darwin_asm_output_anchor): Disable
2843 -fsection-anchors on darwin for now.
2844 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2845 * rs6000/rs6000.c (optimization_options): Likewise.
2847 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2850 * config/i386/i386.c (classify_argument): Skip fields with invalid
2853 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2855 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2856 (cse_insn): Likewise for the stack_pointer_rtx.
2858 2006-06-08 Roger Sayle <roger@eyesopen.com>
2860 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2861 conditions from floating point comparisons.
2863 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2866 * expmed.c (struct alg_hash_entry): Fix type of field T
2867 to match synth_mult argument.
2868 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2870 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2873 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2876 2006-06-08 Richard Guenther <rguenther@suse.de>
2879 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2880 only, if overflow is defined and not trapping.
2881 (negate_expr): Likewise.
2883 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2885 PR tree-optimization/27872
2886 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2887 flag on the new exit edge of the unrolled loop.
2889 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2891 PR rtl-optimization/26449
2892 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2894 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2897 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2898 referenced_variables with matching DECL_UID's.
2899 (find_referenced_vars): Make sure duplicate list is empty to start.
2900 (referenced_var_p): Remove.
2901 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2902 Check if var is in the list, and add if needed. Update the duplicate
2903 list if a different var is in the list with the same DECL_UID.
2904 (add_referenced_var): Call routine to check and insert.
2905 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2906 * tree-flow.h (referenced_vars_dup_list): External declaration.
2908 2006-06-07 Fred Fish <fnf@specifix.com>
2910 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2913 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2916 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2917 the imaginary and real parts of a clobbered register.
2918 Emit insn to set the imaginary part.
2920 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2922 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2923 in lieu of unwind-dw2-fde.c.
2925 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2927 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2929 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2932 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2933 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2934 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2935 V4SImode temporaries and operations instead.
2937 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2939 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2942 2006-06-06 Mike Stump <mrs@apple.com>
2944 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2945 installing during build.
2947 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2949 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2951 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2952 * config/ia64/ia64.c (params.h): New header.
2953 (ia64_optimization_options): New function to adjust parameters.
2954 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2955 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2956 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2958 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2960 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2962 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2965 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2967 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2968 Victor Kaplansky <victork@il.ibm.com>
2970 PR tree-optimization/26360
2971 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2974 2006-06-04 Roger Sayle <roger@eyesopen.com>
2975 Andrew Pinski <pinskia@physics.uc.edu>
2978 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2979 for LABEL_DECL before calling DECL_WEAK.
2982 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2983 LABEL_DECL and PARM_DECL.
2985 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2989 * c-decl.c (grokdeclarator): Disallow variably modified types at
2990 file scope. Avoid marking shared array type of constant size as
2993 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2996 * c-common.c (fold_offsetof_1): Handle static members.
2998 2006-06-04 Eric Christopher <echristo@apple.com>
3000 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3001 (debug_rli): Output value for remaining_in_alignment.
3002 (update_alignment_for_field): Unconditionalize
3003 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3004 extra alignment code.
3005 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3006 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3007 * tree.h (record_layout_info_s): Remove prev_packed.
3008 * doc/extend.texi (ms_struct): Add documentation of format.
3010 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3012 * tree.h: Declare folding_initializer.
3013 * builtins.c (fold_builtin_constant_p): Give definite answer
3014 if folding inside an initializer.
3015 * fold-const.c: Define folding_initializer.
3016 (START_FOLD_INIT): Save and then set folding_initializer.
3017 (END_FOLD_INIT): Restore folding_initializer.
3019 2006-06-04 Richard Guenther <rguenther@suse.de>
3021 PR tree-optimization/27039
3022 * fold-const.c (fold_comparison): Handle pointer comparison
3023 again for all comparison codes. Compare offsets in signed
3025 (fold_binary): Move code from here.
3027 2006-06-03 Roger Sayle <roger@eyesopen.com>
3030 * config/i386/i386.c (construct_container): Split static issued_error
3031 flag into issued_sse_arg_error, issued_sse_ret_error and
3032 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3033 requires the use of x87 registers and the user explicitly
3034 specified the -mno-80387 command line option.
3036 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3038 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3039 HAVE_DECL_SIGALTSTACK.
3041 (segv_handler): Use MC_FLD.
3042 * configure.ac: Check for a sigaltstack declaration.
3043 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3044 * configure: Regenerate.
3045 * config.in: Regenerate.
3047 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3050 * Makefile.in (stmp-fixinc): Fix typo.
3052 2006-06-02 Roger Sayle <roger@eyesopen.com>
3054 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3055 are type correct. Clean-up.
3056 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3057 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3059 2006-06-01 DJ Delorie <dj@redhat.com>
3061 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3062 shift, as we've disabled the "switch" insn that needs it.
3064 2006-06-01 Per Bothner <bothner@bothner.com>
3066 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3067 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3068 * c-ppoutput.c (cb_define): Don't increment line 0.
3070 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3072 * doc/invoke.texi: Add cpu_type power6.
3073 * config.gcc: Add cpu_type power6.
3074 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3075 to power5+ with Altivec.
3076 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3077 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3079 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3081 * config/avr/avr.h (SET_ASM_OP): Define.
3083 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3085 * config/bfin/bfin.c: Fix comment typos.
3087 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3090 * doc/install.texi: Document --enable-bootstrap and
3091 --disable-bootstrap.
3093 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3095 * doc/install.texi: Document that InfoZIP can replace jar.
3097 2006-05-31 Roger Sayle <roger@eyesopen.com>
3099 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3100 isn't available, directly generate the simpler x87 patterns without
3101 the (use (const_int 0)).
3102 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3103 implementation isn't available.
3104 (*negdf2_1): Likewise.
3105 (*negxf2_1): XF mode negation is always done using the x87.
3106 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3108 2006-05-31 Roger Sayle <roger@eyesopen.com>
3110 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3111 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3113 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3115 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3117 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3118 * config/bfin/bfin.c (basic-block.h): Include.
3119 (struct machine_function): New.
3120 (bfin_init_machine_status): New.
3121 (override_options): Initialize init_machine_status.
3122 (bfin_hardware_loop): New.
3123 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3124 (DEF_VEC_P (loop_info)): New.
3125 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3126 (struct loop_info): New.
3127 (loop_info): New typedef.
3128 (struct loop_work): New.
3129 (loop_work): New typedef.
3130 (DEF_VEC_O (loop_work)): New.
3131 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3132 (bfin_dump_loops): New.
3133 (bfin_bb_in_loop): New.
3134 (bfin_scan_loop): New.
3135 (bfin_optimize_loop): New.
3136 (bfin_reorg_loops): New.
3137 (bfin_reorg): Use bfin_reorg_loops.
3138 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3140 (I_REGNO_P): Simplify.
3141 (DP_REGNO_P, DPREG_P): New macros.
3142 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3143 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3144 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3145 Add LT_REGS, LC_REGS, LB_REGS.
3146 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3148 (REGNO_REG_CLASS): Deal with loop registers.
3149 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3151 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3152 New constants for loop registers.
3153 (UNSPEC_LSETUP_END): New.
3154 (seq_insns): New define_attr. Set it for appropriate insns.
3155 (movsi_insn): Add alternatives for move from/to
3156 loop count registers.
3157 (doloop_end): New define_expand.
3158 (loop_end): New define_insn.
3159 (define_split for bad doloop_end): New.
3160 (lsetup_with_autoinit): New define_insn.
3161 (lsetup_without_autoinit): New define_insn.
3162 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3163 * config/bfin/predicates.md (lc_register_operand): New.
3164 (lt_register_operand): New.
3165 (lb_register_operand): New.
3166 (nondp_register_operand): New.
3167 (nondp_reg_or_memory_operand): New.
3168 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3170 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3172 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3173 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3175 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3177 * Makefile.in (CATALOGS): Add po/ prefix.
3178 * configure: Regenerated.
3180 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3183 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3184 a shift operand before calling shift_op. Avoid redundant call of
3187 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3188 DJ Delorie <dj@redhat.com>
3190 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3191 we're inserting is a singlt-bit constant.
3193 2006-05-30 Roger Sayle <roger@eyesopen.com>
3195 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3196 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3198 2006-05-30 Roger Sayle <roger@eyesopen.com>
3200 PR tree-optimization/23452
3201 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3202 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3203 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3204 complex values and with -ffast-math for FP complex values.
3206 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3208 * c-common.h: Remove the prototype for yyparse.
3209 * rtl.h: Remove the prototype for init_loop.
3211 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3213 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3216 2006-05-30 Roger Sayle <roger@eyesopen.com>
3218 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3220 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3221 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3223 2006-05-30 Dirk Mueller <dmueller@suse.de>
3226 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3227 for CONSTANT_CLASS_P expresisons.
3229 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3232 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3234 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3236 PR tree-optimization/27779
3237 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3238 initial_condition instead of CHREC_LEFT.
3240 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3242 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3243 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3244 Make prototypes ISO C90.
3246 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3247 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3249 * see.c (see_analyze_one_def): Correct check.
3250 (see_get_extension_data): Check if extension is parallel.
3251 (see_get_extension_reg): Likewise.
3253 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3256 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3257 into register for (code == GTU).
3259 2006-05-29 Roger Sayle <roger@eyesopen.com>
3261 PR tree-optimization/24964
3262 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3263 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3264 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3265 abs(x)*abs(x) as x*x for scalar floating point modes.
3267 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3270 * lambda-code.c (perfect_nestify): Don't copy statements
3271 in the inner loop: move them to the inner loop header.
3273 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3276 * c-tree.texi: Document OpenMP directives and clauses.
3278 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3280 * varasm.c (globalize_decl): Fix indentation.
3282 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3285 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3286 pass_fre, pass_store_ccp, pass_copy_prop,
3287 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3288 pass_return_slot, pass_object_size, pass_lim,
3289 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3290 pass_loop_prefetch and pass_stdarg.
3292 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3294 * config/bfin/bfin.opt (mfdpic): New option.
3295 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3296 (EXTRA_MULTILIB_PARTS): Likewise.
3297 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3298 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3300 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3301 (CRT_CALL_STATIC_FUNCTION): New.
3302 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3304 (CRT_CALL_STATIC_FUNCTION): New.
3305 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3307 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3308 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3309 (initialize_trampoline): Changed to handle FD-PIC code generation.
3310 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3311 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3312 (override_options): Disallow -mid-shared-library -mfdpic combination.
3313 Can't do unaligned ops if FD-PIC.
3314 Turn off flag_pic if trying to generate non-id-shared-library
3315 non-fdpic code, since it's not supported.
3316 (bfin_assemble_integer): New function.
3317 (TARGET_ASM_INTEGER): Define.
3318 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3320 * config/bfin/crtn.s: Restore them.
3321 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3323 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3324 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3325 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3326 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3327 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3329 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3330 FDPIC_REGS and FDPIC_FPTR_REGS.
3331 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3332 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3333 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3334 (load_funcdescsi): New pattern.
3335 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3336 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3337 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3339 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3341 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3344 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3346 * tree-flow.h: Remove the prototype for add_type_alias.
3347 * tree-ssa-alias.c (add_type_alias): Remove.
3349 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3351 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3352 config/fr30/fr30.md, config/i386/i386-interix.h,
3353 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3354 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3355 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3356 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3357 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3358 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3359 Follow spelling conventions.
3360 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3361 Follow spelling conventions.
3363 2006-05-27 Richard Guenther <rguenther@suse.de>
3366 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3367 to produce a constant of value 1 of generic type.
3369 2006-05-27 Dirk Mueller <dmueller@suse.de>
3371 * cgraphunit.c (decide_is_function_needed): Fix wrong
3374 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3376 PR rtl-optimization/27661
3377 * reload.c (find_reloads): When reloading a VOIDmode constant
3378 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3379 use Pmode as mode of the reload register.
3381 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3383 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3384 is enabled at -O and above.
3386 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3389 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3392 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3395 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3396 for anonymous variables explicitly declared by front ends.
3398 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3400 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3401 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3402 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3403 ref-all pointers, run a finalization pass for them.
3404 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3405 (finalize_ref_all_pointers): New function.
3406 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3407 regular pointer type to a ref-all pointer type.
3408 (get_tmt_for): Return the special memory tag for ref-all pointers.
3410 2006-05-25 Richard Guenther <rguenther@suse.de>
3413 * fold-const.c (fold_binary): Do not look at the stripped
3414 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3416 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3418 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3419 for LT and GT if the computed range is effectively empty.
3421 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3424 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3425 mips_quad_format formats instead of ieee_single_format,
3426 ieee_double_format and ieee_quad_format formats, respectively.
3428 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3430 PR tree-optimization/27639
3431 PR tree-optimization/26719
3432 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3433 call to scev_probably_wraps_p.
3434 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3435 used_in_pointer_arithmetic_p, convert_step): Removed.
3436 (nowrap_type_p): New function.
3437 (scev_probably_wraps_p): Rewritten.
3438 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3439 chrec_convert if chrec_convert_aggressive might have been used.
3440 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3441 scev_direction): New functions.
3442 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3443 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3444 instead of convert_step.
3445 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3446 (convert_step): Declaration removed.
3447 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3449 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3451 * df-core.c: Added to header comments.
3452 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3453 df_ur_bb_info, df_urec_bb_info): Added comments.
3454 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3455 urec, ri problems): Fixed header comments.
3456 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3457 code from df_rd_transfer_function.
3459 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3461 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3462 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3463 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3465 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3467 * expr.c (undefined_operand_subword_p): New.
3468 (emit_move_multi_word): Do not generate move from undefined bits
3469 of a paradoxical subreg.
3471 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3473 PR rtl-optimization/27736
3474 * combine.c (replaced_rhs_value): New variable.
3475 (combine_instructions): Set it.
3476 (distribute_notes): When distributing a note in replaced_rhs_insn,
3477 check whether the value was used in replaced_rhs_value.
3479 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3482 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3483 add_referenced_var instead of add_referenced_tmp_var.
3484 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3485 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3487 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3488 tree_optimize_tail_calls_1): Use add_referenced_var.
3489 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3490 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3491 Use add_referenced_var.
3492 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3493 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3494 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3495 Use add_referenced_var.
3496 * tree-dfa.c (struct walk_state): Remove.
3497 (find_referenced_vars): Remove walk state and vars_found hash table.
3498 (make_rename_temp): Use add_referenced_var.
3499 (find_vars_r): Pass less parameters to add_referenced_var.
3500 (referenced_var_p): New. Is var in referenced_var hash table.
3501 (referenced_var_insert): Assert var isn't already in hash table.
3502 (add_referenced_var): Don't need walk_state parameter. Add var if it
3503 isn't already in the hash table.
3504 (add_referenced_tmp_var): Remove.
3505 (find_new_referenced_vars_1): Use add_referenced_var.
3506 * tree-ssa-pre.c (create_expression_by_pieces,
3507 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3508 Use add_referenced_var.
3509 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3510 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3511 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3513 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3514 vect_create_data_ref_ptr, vect_create_destination_var,
3515 vect_init_vector, vect_build_loop_niters,
3516 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3517 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3518 Use add_referenced_var.
3519 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3520 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3521 (add_referenced_var): Add prototype.
3522 * tree-ssa-structalias.c (get_constraint_for,
3523 intra_create_variable_infos): Use add_referenced_var.
3525 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3527 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3528 big-endian paradoxical subregs.
3529 * var-tracking.c (struct micro_operation_def): Document that,
3530 for modify micro operations, insn is the subsequent instruction.
3531 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3532 (var_reg_set, var_mem_set): ... new functions.
3533 (add_stores): Record subsequent insn.
3534 (compute_bb_dataflow): Use new functions for MO_USE.
3535 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3536 notes after the insn, and modify notes before the insn known
3537 to be the subsequent one.
3538 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3540 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3543 * config/i386/i386.c (ix86_expand_builtin): Use
3544 gen_sse3_monitor64 for TARGET_64BIT.
3546 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3548 PR rtl-optimization/26375
3549 PR rtl-optimization/26855
3550 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3552 (df_ru_bb_local_compute): Reversed statements and removed bogus
3553 comment explaining why they should be in wrong order.
3554 (df_ru_dump, df_rd_dump): Enhanced debug info.
3555 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3557 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3558 reaching uses and fixed space problem.
3560 2006-05-23 Jan Hubicka <jh@suse.cz>
3562 * cgraphunit.c (decide_is_function_needed): Also nested functions
3563 and functions declared inline can be optimized out at -O0.
3565 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3567 * doc/install.texi (Configuration): Remove reference to CrossGCC
3571 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3574 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3575 ix86_compare_emitted is non-NULL.
3577 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3580 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3583 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3585 PR rtl-optimization/25514
3586 * combine.c (replaced_rhs_insn): New variable.
3587 (combine_instructions): Set replaced_rhs_insn when trying to replace
3588 a SET_SRC with a REG_EQUAL note.
3589 (distribute_notes): Use replaced_rhs_insn when determining the live
3590 range of a REG_DEAD register.
3592 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3593 Anatoly Sokolov <aesok@post.ru>
3595 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3596 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3597 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3598 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3599 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3600 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3601 at90usb647, at90usb1286 and at90usb1287 devices.
3602 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3603 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3605 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3607 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3609 2006-05-22 Richard Guenther <rguenther@suse.de>
3612 2006-01-31 Richard Guenther <rguenther@suse.de>
3613 Paolo Bonzini <bonzini@gnu.org>
3615 * doc/install.texi (--disable-libgcc-math): Document.
3617 2006-05-22 Richard Guenther <rguenther@suse.de>
3620 2006-01-31 Richard Guenther <rguenther@suse.de>
3622 * doc/invoke.texi (-msselibm): Document.
3623 * target.h (expand_library_builtin): New target hook.
3624 * builtins.c (expand_builtin): Use expand_library_builtin.
3625 (default_expand_library_builtin): New function.
3626 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3627 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3628 (link_gcc_math_spec): Declare.
3629 (static_specs): Add link_gcc_math_spec.
3630 * expr.h (default_expand_library_builtin): Declare.
3631 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3632 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3633 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3634 * config/i386/i386.opt (msselibm): New target option.
3635 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3636 (ix86_init_sse_abi_builtins): New function.
3637 (ix86_expand_library_builtin): Likewise.
3638 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3639 (override_options): Handle error conditions wrt -msselibm.
3640 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3641 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3642 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3645 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3648 * c-common.c (self_promoting_args_p): Skip erroneous args.
3651 * c-decl.c (finish_struct): Skip erroneous fields.
3653 2006-05-22 Nick Clifton <nickc@redhat.com>
3655 * config/cris/cris.opt (march): Remove VarExists attribute.
3656 (max-stackframe=): Likewise.
3658 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3660 * doc/rtl.texi: Fix a typo.
3661 * see.c: Fix comment typos.
3663 * tree-ssa-structalias.h (alias_info): Remove num_references.
3665 2006-05-21 Mike Stump <mrs@apple.com>
3667 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3669 (darwin_pragma_options): Use BAD instead.
3670 (darwin_pragma_unused): Likewise.
3671 (darwin_pragma_ms_struct): Likewise.
3673 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3675 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3677 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3679 PR rtl-optimization/27671
3680 * simplify-rtx.c (simplify_relational_operation_1): Fix
3681 simplifications of (eq/ne (xor x y) y) and
3682 (eq/ne (xor x y) x).
3684 PR tree-optimization/26622.
3685 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3688 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3690 * tree-cfg.c: Prune whitespace.
3691 (debug_tree_cfg): Point to correct header containing the
3694 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3697 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3699 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3702 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3703 or sorry count is non zero.
3705 2006-05-20 Andreas Schwab <schwab@suse.de>
3707 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3709 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3710 Kenneth Zadeck <zadeck@naturalbridge.com>
3712 PR rtl-optimization/26855
3714 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3716 (df_scan_alloc): Added code to properly handle multiword hard
3717 registers and add all_blocks parameter.
3718 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3719 code to properly handle multiword hard registers.
3720 (df_rescan_blocks): Added code to remove deleted blocks from
3722 (df_ref_create_structure, df_ref_record): Added code to properly
3724 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3725 and set DF_REF_PARTIAL.
3726 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3727 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3728 (df_scan_add_problem): Added flags parameter.
3729 (df_ref_create_structure): Changed switching structure.
3730 (df_bb_refs_record): Fixed case where duplicate artificial refs
3731 were created. Changed location of flags.
3732 (df_record_entry_block_defs): Added code to make stack pointer
3733 live in entry block. Refined cases where frame pointer is needed.
3734 Changed location of flags.
3735 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3736 (df_set_state): Removed function.
3737 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3738 df_insn_create_insn_record, df_insn_refs_delete,
3739 df_ref_create_structure): Formatting changes.
3740 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3741 df_delete_basic_block): New function.
3742 (df_init): Changed location of flags.
3743 (df_add_problem): Added flags parameter and the way flags are
3745 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3746 debug_df_chain): Improved debugging output.
3747 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3748 (df_refs_chain_dump): Removed df parameter.
3749 (df_iterative_dataflow): Added consistency check.
3750 (df_prune_to_subcfg): Made public.
3751 (df_analyze_problem): Added blocks_to_init parameter and made
3753 (df_ref_record, df_bb_refs_record, df_mark_reg,
3754 df_record_exit_block_uses): Whitespace changes.
3755 (df_dump): Whitespace changes.
3756 * df.h: Some reordering to remove forward references.
3757 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3758 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3759 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3760 (dataflow.flags): New field.
3761 (df.flag): Deleted field.
3762 (df_alloc_function): Added additional bitmap parameter.
3763 (df_dependent_problem_function): New type.
3764 (df_problem.changeable_flags): New field.
3765 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3766 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3767 (df_mw_hardreg): New struct.
3768 (DF_INSN_UID_MWS): New macro.
3769 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3771 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3772 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3773 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3774 (df_set_state): Removed function.
3775 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3776 * df-problems.c (df_chain_dump): Removed df parameter.
3777 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3778 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3780 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3781 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3782 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3783 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3784 DF_REF_MUST_CLOBBER cases.
3785 (df_ru_bb_local_compute_process_def,
3786 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3787 df_lr_bb_local_compute, df_ur_bb_local_compute,
3788 df_chain_create_bb): Made subreg aware.
3789 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3790 df_lr_bb_local_compute, df_lr_bb_local_compute,
3791 df_chain_create_bb): Cleanup to use proper macros.
3792 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3793 code to fixup bitvectors.
3794 (df_ri_alloc): Cleared lifetime.
3795 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3796 df_create_unused_note): New function.
3797 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3798 REG_DEAD and REG_UNUSED notes as well as register information.
3799 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3800 df_chains_dump): Fixed crash if problem was never run.
3801 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3802 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3803 df_ri_add_problem): Processes flags in uniform manner.
3804 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3805 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3806 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3807 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3808 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3809 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3810 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3811 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3812 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3813 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3814 * see.c (see_initialize_data): Ditto.
3815 * final.c (rest_of_clean_state) Added regstack_completed.
3816 * rtl.h (regstack_completed): Ditto.
3817 * reg-stack.c (regstack_completed): Ditto.
3819 2006-05-19 Mike Stump <mrs@apple.com>
3821 * c-tree.h (default_conversion): Remove.
3822 * c-common.h (default_conversion): Add.
3824 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3826 * tree-vrp.c (valid_value_p): New function.
3827 (adjust_range_with_scev): Fail if the value of bound is not
3830 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3832 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3833 (mips_fallback_frame_state): Use syscall numbers to determine
3834 the appropriate li instruction for the current ABI. Only use
3835 __NR_sigreturn for o32.
3837 2006-05-19 Nicolas Setton <setton@adacore.com>
3839 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3840 * langhooks.c (lhd_dwarf_name): New function.
3841 * langhooks-def.h (lhd_dwarf_name): Declare.
3842 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3843 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3844 * ada/misc.c (gnat_dwarf_name): New function.
3845 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3847 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3849 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3851 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3852 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3853 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3854 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3855 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3856 determine the size of Wtype, etc.
3857 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3858 (swfloatfuncs): New variable.
3859 (dwfloatfuncs): Likewise.
3860 (lib2funcs): Remove floating-point conversion functions from
3861 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3862 the set of conversion routines needed. Allow entries to specify
3863 an object name, filename and word size. Update users accordingly.
3864 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3865 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3869 2006-02-08 Roger Sayle <roger@eyesopen.com>
3872 * config/fixtfdi.c: New libgcc source file.
3873 * config/fixunstfdi.c: New source file.
3874 * config/floatditf.c: New source file.
3875 * config/floatunditf.c: New souce file.
3876 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3877 files above instead of config/mips/_tilib.c.
3878 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3880 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3882 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3883 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3885 2006-05-18 Mike Stump <mrs@apple.com>
3887 Fix up vla, vm and [*] sematics.
3893 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3894 (c_vla_unspec_p): Add.
3895 (c_vla_type_p): Add.
3896 * c-decl.c (struct c_scope): Add had_vla_unspec.
3897 (build_array_declarator): Add support for [*].
3898 (grokdeclarator): Likewise.
3899 (grokparms): Likewise.
3900 (get_parm_info): Likewise.
3901 * c-objc-common.c (c_vla_unspec_p): Likewise.
3902 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3903 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3904 typeof when argument is a variably modified type not inside sizeof or alignof.
3905 (c_parser_direct_declarator_inner): Propagate errors.
3906 (c_parser_sizeof_expression): Add support for [*].
3907 (c_parser_parms_declarator): Initialize had_vla_unspec.
3908 (c_parser_parms_list_declarator): Likewise.
3909 * c-typeck.c (c_vla_type_p): Add.
3910 (composite_type): Add support for vla compositing.
3911 (comptypes_internal): Add support for vla compatibility.
3912 (c_expr_sizeof_expr): Evaluate vla arguments.
3913 * tree.c (variably_modified_type_p): Update comment for [*].
3915 2006-05-18 Michael Matz <matz@suse.de>
3918 * config.host: Make assignments to host_xmake_file cumulative.
3919 * config.host (*-darwin*): Test $host, not $target.
3921 2006-05-12 Stuart Hastings <stuart@apple.com>
3923 * config/i386/i386.opt (-mstackrealign): New flag.
3924 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3925 (ix86_handle_cconv_attribute): Emit error when
3926 force_align_arg_pointer attribute collides with too many regparms.
3927 (ix86_function_regparm): Limit regparms when used with
3928 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3929 Support stack-realigning prologue in non-main functions. Emit
3930 warning for nested functions under -mstackrealign, emit error for
3931 nested functions with force_align_arg_pointer attribute.
3932 * doc/extend.texi (force_align_arg_pointer): Document it.
3933 * doc/invoke.texi (-mstackrealign): Document it.
3935 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3937 PR rtl-optimization/27477
3938 * combine.c (try_combine): Don't split a parallel consisting
3939 of two sets into two individual sets if both sets reference
3942 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3944 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3945 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3947 * doc/options.texi (VarExists): Updated.
3949 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3951 * unwind-dw2.c: Add declarations for uw_update_context and
3953 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3954 detected, advance frame state and context once to skip over stub.
3956 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3960 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3961 Call rewrite_into_loop_closed_ssa only when something changed.
3962 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3963 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3964 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3965 Test for perfect_nest_p here. Fix formating.
3966 (replace_uses_equiv_to_x_with_y): Fix formating.
3967 (stmt_uses_op): Removed.
3968 (can_convert_to_perfect_nest): Removed loopivs parameter.
3969 Complete the test by checking the scalar dependences.
3970 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3973 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3976 From Dan Kegel <dank@kegel.com>:
3977 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3979 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3981 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3982 if the element type is variably modified without recursing.
3984 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3987 * tree-loop-linear.c (try_interchange_loops): Test for
3988 no data dependences.
3990 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3992 PR tree-optimization/27548
3993 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3994 range of ssa names that appear on abnormal edges.
3995 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3996 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3998 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4001 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4003 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4006 * tree.h (OMP_PARALLEL_COMBINED): Define.
4007 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4008 (new_omp_context): Add is_combined_parallel argument.
4009 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4010 new_omp_context caller.
4011 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4012 Adjust gimplify_scan_omp_clauses callers.
4013 (omp_is_private): Issue errors if iteration variable is firstprivate
4014 or reduction in the current context.
4015 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4016 on combined parallel workshare constructs.
4018 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4020 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4021 (gcc-options.o): New rule.
4023 * optc-gen.awk: Protect variables for gcc-options.o with
4024 #ifdef GCC_DRIVER/#endif.
4026 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4028 Fix PR tree-optimization/27373
4029 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4030 (forward_propagate_addr_expr): Update call.
4032 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4034 * doc/options.texi: Move the Negative option.
4036 2006-05-16 Richard Guenther <rguenther@suse.de>
4038 PR tree-optimization/22303
4039 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4041 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4042 ccp_fold did not simplify the statement.
4044 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4047 * Makefile.in (GCC_OBJS): New.
4048 (OBJS-common): Add opts-common.o.
4049 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4050 (cpp$(exeext)): Likewise.
4051 (gcc.o): Also depend on opts.h.
4052 (opts-common.o): New.
4054 * common.opt (gcoff): Add Negative(gdwarf-2).
4055 (gdwarf-2): Add Negative(gstabs).
4056 (gstabs): Add Negative(gstabs+).
4057 (gstabs+): Add Negative(gvms).
4058 (gvms): Add Negative(gxcoff).
4059 (gxcoff): Add Negative(gxcoff+).
4060 (gxcoff+): Add Negative(gcoff).
4061 * config/i386/i386.opt (m32): Add Negative(m64).
4062 (m64): Add Negative(m32).
4064 * doc/options.texi: Document the Negative option.
4066 * gcc.c: Include "opts.h".
4067 (main): Call prune_options after expandargv.
4069 * optc-gen.awk: Generate common declarations for all flag
4070 variables in options.c. Output the neg_index field.
4072 * opts.c (find_opt): Moved to ...
4073 * opts-common.c: Here. New file.
4075 * opts.h (cl_option): Add a neg_index field.
4077 (prune_options): Likewise.
4079 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4082 * omp-low.c (expand_omp_parallel): Don't assert
4083 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4084 instead search for it.
4087 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4090 2006-05-16 Andreas Schwab <schwab@suse.de>
4092 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4095 2006-05-15 Roger Sayle <roger@eyesopen.com>
4098 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4099 integer constants other than zero are only legitimate on TARGET_64BIT.
4100 <CONST_VECTOR> Only zero vectors are legitimate.
4101 (ix86_cannot_force_const_mem): Integral and vector constants can
4102 always be put in the constant pool.
4104 2006-05-16 DJ Delorie <dj@redhat.com>
4106 * crtstuff.c (__dso_handle): Set section from
4107 TARGET_LBIGCC_SDATA_SECTION if defined.
4108 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4109 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4111 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4114 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4117 2006-05-16 Ben Elliston <bje@au.ibm.com>
4119 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4121 2006-05-15 Per Bothner <per@bothner.com>
4123 * tree.c: (last_annotated_node): Use source_locus typedef.
4124 This permits bootstrapping with --enable-mapped-location.
4126 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4128 PR tree-optimization/26830
4129 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4130 (info_for_ssa_name, current_info_for_ssa_name_age,
4131 blocks_to_update): New variables.
4132 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4133 (clear_ssa_name_info, initialize_flags_in_bb,
4134 mark_block_for_update): New functions.
4135 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4136 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4137 prepare_def_site_for): Use mark_block_for_update.
4138 (mark_def_interesting): Assert that the processed block is marked in
4139 blocks_to_update. Do not take blocks argument.
4140 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4142 (rewrite_update_init_block, rewrite_update_stmt): Only process
4143 blocks with statements to rewrite.
4144 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4145 (update_ssa): Initialize and free blocks_to_update. Do not
4146 clear flags on statements. Do not use blocks bitmap.
4147 * tree.h (SSA_NAME_AUX): Removed.
4148 (struct tree_ssa_name): Removed aux field.
4149 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4151 2006-05-15 Richard Guenther <rguenther@suse.de>
4153 PR tree-optimization/27603
4154 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4155 Do computations in original type.
4157 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4159 * see.c: Code style changes such as redundant paranthesis,
4160 redundant intialization of local variables etc.
4161 (see_main): Declared now as static.
4162 * doc/invoke.texi: Update that -fsee is not enabled by
4165 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4167 * omp-low.c (check_omp_nesting_restrictions): New function.
4168 (scan_omp_1): Call it.
4171 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4172 construct, return *VAR.
4174 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4176 PR rtl-optimization/27406
4177 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4180 2006-05-14 Roger Sayle <roger@eyesopen.com>
4182 PR rtl-optimization/27538
4183 * combine.c (expand_compound_operation): Call gen_lowpart
4184 before calling simplify_shift_const.
4186 2006-05-14 Roger Sayle <roger@eyesopen.com>
4188 PR rtl-optimization/22563
4189 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4190 a fixed width bitfield, always force the intermediates into psuedos.
4192 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4195 * mkconfig.sh: Use operator = instead of == for test.
4197 2006-05-13 Nick Clifton <nickc@redhat.com>
4199 * dwarf2out.c (dbx_reg_number): Check return value from
4200 LEAF_REG_REMAP and only use it if it is valid.
4201 (multiple_reg_loc_descriptor): Likewise.
4203 2006-05-13 Richard Guenther <rguenther@suse.de>
4205 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4208 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4210 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4211 information attached to non-INSNs such as NOTEs.
4212 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4214 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4216 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4218 * config/s390/s390.md: Adjust comment describing On constraint.
4220 2006-05-11 Jan Hubicka <jh@suse.cz>
4222 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4223 to be output at -O0.
4225 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4228 * fold-const.c (size_binop): Move sanity check for arguments to
4229 the beginning of the function.
4232 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4235 2006-05-11 Richard Guenther <rguenther@suse.de>
4238 * fold-const.c (fold_unary): Handle intermediate conversion
4239 to a pointer type like intermediate conversion to an integer
4240 type in folding of (T1)(T2)var to var.
4241 Match the code to the comment in the final conversion for
4242 (T1)(T2)var to (T1)var regarding to type precision. Rather
4243 than disallow T1 being of pointer type, assert that both T1
4244 and var are of pointer type or not. Make sure not to fall
4245 over the frontends lazyness wrt array to pointer decay though.
4247 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4249 * arm.c (arm_struct_value_rtx): Delete.
4250 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4251 (arm_init_cumulative_args): Always initialize nregs to zero.
4253 2006-05-10 Richard Guenther <rguenther@suse.de>
4255 PR tree-optimization/27532
4256 * tree-object-size.c (plus_expr_object_size): Fix typo.
4258 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4261 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4262 ashrdi_const, ashrdi3): Use a scratch register.
4264 2006-05-10 Richard Guenther <rguenther@suse.de>
4266 PR tree-optimization/27302
4267 * fold-const.c (operand_equal_p): For two comparisons,
4268 try comparison of one comparison code swapped if that yields
4271 2006-05-10 Ben Elliston <bje@au.ibm.com>
4273 * tree-pretty-print.c (pretty_print_string): No need to handle
4274 '\0' as a special character.
4276 * tree.h: Include "hashtab.h".
4277 (iterative_hash_expr): Use hashval_t in its prototype.
4278 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4280 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4283 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4284 (hppa*64*-*-hpux11*): Ditto.
4285 (hppa[12]*-*-hpux11*): Ditto.
4287 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4290 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4292 2006-05-09 Michael Matz <matz@suse.de>
4294 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4295 host_extra_gcc_objs and host_xmake_file.
4296 (<*-*-linux*>): Don't overwrite host_xmake_file.
4297 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4298 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4299 (host_detect_local_cpu): Declare.
4300 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4301 * config/i386/i386.c (override_options): Handle -mtune=native
4303 * config/i386/x-i386: New file.
4304 * config/i386/driver-i386.c: New file.
4305 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4308 2006-05-09 Dirk Mueller <dmueller@suse.de>
4309 Richard Guenther <rguenther@suse.de>
4312 * fold-const.c (fold_read_from_constant_string): Relax check
4313 for matching types to matching modes.
4315 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4317 PR rtl-optimization/27335
4318 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4321 2006-05-08 Chao-ying Fu <fu@mips.com>
4322 Richard Sandiford <richard@codesourcery.com>
4324 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4325 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4326 * config/mips/mips.md (UNSPEC_SCC): New constant.
4327 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4328 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4329 (mips_emit_compare): Use it.
4330 (mips_expand_vcondv2sf): New function.
4332 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4334 Fix PR tree-optimization/27093
4335 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4336 renaming when they become not-used_alone.
4338 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4340 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4341 relocation and relocation stubs.
4343 2006-05-08 Eric Christopher <echristo@apple.com>
4345 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4348 2006-05-08 Jan Hubicka <jh@suse.cz>
4351 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4352 unused static functions are needed.
4354 2006-05-08 Roger Sayle <roger@eyesopen.com>
4357 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4358 of a reg_equiv_constant if the result is a legitimate constant.
4360 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4363 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4364 standard 80387 constants, raise the cost to prevent
4365 compress_float_constant() to generate load from memory.
4367 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4369 * config/arm/constraints.md (c): Fix a typo.
4371 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4374 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4377 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4379 (_mm_mwait): Likewise.
4381 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4383 (sse3_monitor): Make it 32bit only.
4384 (sse3_monitor64): New. 64bit monitor.
4386 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4389 * config/i386/i386.c (classify_argument): Skip fields with invalid
4392 2006-05-07 Richard Guenther <rguenther@suse.de>
4394 PR tree-optimization/27409
4395 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4396 Do not try to find zero-sized subvars.
4398 2006-05-07 Richard Guenther <rguenther@suse.de>
4400 PR tree-optimization/27136
4401 * tree-ssa-loop-niter.c (get_val_for): Correct function
4402 comment, assert requirements.
4403 (loop_niter_by_eval): Stop processing if the iterated
4404 value did not simplify.
4406 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4408 * opts.c (flag_see): remove its setting at -O3.
4410 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4412 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4413 * arm/constraints.md: New file.
4414 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4415 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4416 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4417 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4418 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4419 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4420 * arm.md: Include constraints.md.
4421 (thumb_movsi_insn): Use satisfies_constraint_J.
4422 (movhi, movqi): Use satisfies_constraint_I.
4424 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4426 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4427 for atmeg a645 device.
4429 2006-05-06 Richard Guenther <rguenther@suse.de>
4431 PR tree-optimization/27151
4432 * tree-vect-transform.c (vectorizable_condition): Punt on
4433 values that have a different type than the condition.
4435 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4438 * c-parser.c (c_parser_cast_expression): Only insert casts into
4439 hash table if pointer.
4440 * function.c (used_types_insert_helper): Rename from
4442 (used_types_insert): Call used_types_insert_helper.
4443 * function.h (used_types_insert): Accept only one argument.
4445 2006-05-05 David Edelsohn <edesohn@gnu.org>
4447 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4448 scratch with output modifier.
4450 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4453 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4454 with output modifier.
4456 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4459 * config/mips/mips.c (mips_symbolic_address_p): Return true
4460 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4461 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4463 2006-05-04 Richard Guenther <rguenther@suse.de>
4465 PR tree-optimization/14287
4466 PR tree-optimization/14844
4467 PR tree-optimization/19792
4468 PR tree-optimization/21608
4469 PR tree-optimization/27090
4470 * tree-ssa-pre.c (try_combine_conversion): New function.
4471 (compute_avail): After constructing the value-handle
4472 expression, use try_combine_conversion to combine NOP_EXPRs
4473 with previous value-handle expressions and use the result if it
4476 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4478 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4480 2006-05-04 Jan Hubicka <jh@suse.cz>
4483 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4485 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4487 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4488 that this only matches CONST_INTs. All users changed to VOIDmode
4491 * config/bfin/bfin.c: Include "optabs.h".
4492 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4494 (enum bfin_builtins): Add a number of fractional and vector builtins.
4495 (bfin_init_builtins): Likewise.
4496 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4497 (safe_vector_operand, bfin_expand_binop_builtin,
4498 bfin_expand_unop_builtin): New functions.
4499 (bfin_expand_builtin): Handle the new builtins.
4500 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4503 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4506 * Makefile.in (OBJS-common): Add see.o.
4507 (see.o): Add dependencies.
4508 * common.opt (fsee): New flag for the see optimization was added.
4509 * opts.c (flag_see): Initialized.
4510 * passes.c (init_optimization_passes, pass_see): New pass.
4511 * rtl.h (see_main): Declaration as extern.
4512 * timevar.def (TV_SEE): New.
4513 * tree-pass.h (pass_see): Declaration as extern.
4514 * invoke.texi (-fsee): Document.
4515 * recog.c (validate_simplify_insn): New function.
4516 * recog.h (validate_simplify_insn): Declaration as extern.
4517 * df-problems.c (df_chain_dump): Check for NULL.
4519 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4520 Daniel Berlin <dberlin@dberlin.org>
4522 * cfgrtl.c (insert_insn_bb_end_new): New function.
4523 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4525 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4527 * df.h (struct web_entry): Moved from web.c.
4528 (union_defs): Declaration as extern.
4529 (unionfind_root): Likewise.
4530 (unionfind_union): Likewise.
4531 * web.c (struct web_entry): Moved to df.h.
4532 (unionfind_root): Remove static declaration.
4533 (unionfind_union): Likewise.
4534 (union_defs): Likewise and generalize to use callback function.
4535 (web_main): Update arguments for union_defs function call.
4537 2006-05-04 Richard Guenther <rguenther@suse.de>
4539 PR tree-optimization/26447
4540 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4541 produce SSA_NAME copies before the store stmt to avoid
4542 breaking exception handling.
4544 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4547 * gimplify.c (omp_is_private): If var is shared in some outer context,
4548 return false instead of true. Stop searching on parallel context
4551 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4554 * coverage.c: Use get_gcov_unsigned_t() instead of
4555 unsigned_type_node all over.
4557 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4559 PR tree-optimization/27381
4560 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4561 maintain the same immediate_use links.
4562 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4563 node rather than segfaulting.
4565 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4568 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4569 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4570 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4572 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4574 Fix PR tree-optimization/26626
4575 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4577 * tree-ssa-operands.c (access_can_touch_variable): Allow
4578 typecasting through union pointers.
4580 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4583 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4584 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4585 to find if var will be a global variable even in the nested context.
4586 (omp_copy_decl): Only check for global variable at the end, it might
4587 be overridden in outer contexts.
4588 (scan_sharing_clauses): For global variables don't create a field.
4589 (lower_rec_input_clauses): Do nothing for global shared variables.
4590 Emit a barrier at the end of ILIST if there were any decls in both
4591 firstprivate and lastprivate clauses.
4592 (lower_send_clauses): Do nothing for global variables except for
4595 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4597 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4598 of the correct signedness is returned.
4600 2006-05-02 Jeff Law <law@redhat.com>
4602 PR tree-optimization/27364
4603 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4604 multiply expressions.
4606 2006-05-02 Tom Tromey <tromey@redhat.com>
4608 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4610 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4613 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4614 -mthumb -fPIC are used.
4616 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4617 Joshua Kinard <kumba@gentoo.org>
4620 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4621 with 64-bit pointers.
4623 2006-05-02 Paul Brook <paul@codesourcery.com>
4625 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4627 (create_fix_barrier): Check that a suitable barrier location is
4629 (arm_reorg): Include ftmp->address in allowable range of addresses.
4631 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4634 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4637 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4640 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4641 around RESULT_DECL for result passed by reference.
4642 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4643 * omp-low.c (use_pointer_for_field): Don't look at
4644 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4645 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4646 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4647 time or var for passing by reference for
4648 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4649 TREE_ADDRESSABLE variables when passing by reference.
4651 * omp-low.c (dump_omp_region): Fix output formatting.
4654 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4655 (expand_omp_parallel): Likewise.
4656 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4659 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4660 on statement list containing also constructors and destructors.
4661 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4664 * except.c (duplicate_eh_regions): Fix clearing of
4665 cfun->eh->region_array entries.
4667 2006-05-01 DJ Delorie <dj@redhat.com>
4669 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4671 (gcc_cv_objdump): Likewise.
4672 * configure: Regenerated.
4674 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4677 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4678 templates for case 3 and 4.
4680 2006-05-01 DJ Delorie <dj@redhat.com>
4682 * vec.c: Include bconfig.h when appropriate.
4683 * Makefile.in (build/vec.o): Adjust dependencies.
4684 * mkconfig.sh: Make sure config.h isn't used for build machine
4687 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4689 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4691 (mark_phi_for_rewrite): New function.
4692 (insert_phi_nodes_for, mark_use_interesting): Call
4693 mark_phi_for_rewrite.
4694 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4695 (update_ssa): Initialize and free phis_to_rewrite.
4697 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4699 PR rtl-optimization/27291
4700 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4701 folded to a constant.
4703 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4705 PR tree-optimization/27283
4706 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4707 not whole # of iteration descriptions.
4708 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4709 uses abnormal ssa name.
4710 (niter_for_single_dom_exit): Ditto.
4711 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4712 return just the number of iterations.
4714 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4716 PR tree-optimization/27144
4717 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4718 (record_estimate): Only record constant upper bound.
4719 (infer_loop_bounds_from_undefined): Call
4720 compute_estimated_nb_iterations just once.
4721 (proved_non_wrapping_p): Renamed to ...
4722 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4723 (convert_step_widening, scev_probably_wraps_p): Call
4724 n_of_executions_at_most instead of proved_non_wrapping_p.
4725 (substitute_in_loop_info): Do not replace values in bounds.
4726 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4729 2006-05-01 Richard Henderson <rth@redhat.com>
4732 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4733 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4736 2006-05-01 Roger Sayle <roger@eyesopen.com>
4738 * c-typeck.c (parser_build_binary_op): Don't call the function
4739 unsigned_conversion_warning to spot operand/result type overflow.
4740 (build_binary_op): Instead, call convert_and_check instead of
4741 convert to report the problem when the operands are promoted.
4742 * c-common.c (unsigned_conversion_warning): Make static.
4743 * c-common.h (unsigned_conversion_warning): Delete prototype.
4745 2006-05-01 Richard Guenther <rguenther@suse.de>
4747 PR tree-optimization/26726
4748 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4750 (find_interesting_uses_address): ... we work around here
4751 by folding INDIRECT_REFs in the substituted base.
4753 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4755 * omp-low.c (dump_omp_region): Add newlines.
4757 2006-04-30 Roger Sayle <roger@eyesopen.com>
4759 * common.opt (Woverflow): New command line option.
4760 * c-common.c (constant_expression_warning): Check warn_overflow.
4761 (overflow_waring): Pass OPT_Woverflow to warning.
4762 (unsigned_conversion_warning): Likewise.
4763 (convert_and_check): Likewise.
4764 * doc/invoke.texi: Document new command line option.
4766 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4768 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4769 TARGET_NO_FP_IN_TOC for section anchors.
4770 (optimization_options): Enable section anchors for all
4771 non-"Objective" languages.
4773 2006-04-28 Eric Christopher <echristo@apple.com>
4775 * config/darwin-c.c (darwin_ms_struct): Move this
4776 (darwin_set_default_type_attributes): and this...
4777 * config/darwin.c: ... here.
4778 * config/darwin.h (darwin_ms_struct): Declare.
4780 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4782 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4784 2006-04-28 Roger Sayle <roger@eyesopen.com>
4787 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4788 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4789 an unsigned HOST_WIDE_INT.
4790 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4792 (really_start_incremental_init): No need to call convert because
4793 bitsize_zero_node is already of type bitsizetype.
4794 (push_init_level): Extract the value of constructor_index as an
4795 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4796 (process_init_element): Likewise.
4798 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4800 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4801 value before passing to make_relative_prefix.
4803 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4806 * builtins.c (expand_builtin_memset): Expand val in original mode.
4808 2006-04-27 Eric Christopher <echristo@apple.com>
4810 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4811 with #ifndef/#endif.
4812 * config/darwin-c.c (darwin_ms_struct): New.
4813 (darwin_pragma_ms_struct): Ditto.
4814 (darwin_set_default_type_attributes): Ditto.
4815 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4816 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4817 Register ms_struct pragma.
4818 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4819 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4820 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4821 darwin_set_default_type_attributes if TARGET_MACHO.
4823 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4825 PR tree-optimization/26854
4826 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4827 * doc/tree-ssa.texi: Update immuse iterator documentation.
4828 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4829 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4830 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4831 first_safe_imm_use, next_safe_imm_use): Remove.
4832 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4833 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4834 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4835 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4836 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4837 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4838 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4839 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4840 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4841 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4842 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4843 (perfect_nestify): Use new iterator.
4844 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4846 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4847 (next_imm_name): New field in struct immediate_use_iterator_d.
4848 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4849 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4850 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4851 * tree-cfg.c (replace_uses_by): Use new iterator.
4852 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4853 * tree-ssa-operands.c (correct_use_link): Remove.
4854 (finalize_ssa_use_ops): No longer call correct_use_link.
4856 2006-04-27 Stuart Hastings <stuart@apple.com>
4858 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4859 * config/t-darwin (crt3.o): Use it.
4860 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4861 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4862 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4863 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4864 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4867 2006-04-27 Roger Sayle <roger@eyesopen.com>
4869 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4870 size, force the intermediate into a new pseudo rather instead of
4871 performing both a bitwise AND and a bitwise IOR in memory.
4873 2006-04-27 Richard Guenther <rguenther@suse.de>
4875 PR rtl-optimization/26685
4876 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4877 this one "max-flow-memory-locations".
4879 2006-04-27 Richard Guenther <rguenther@suse.de>
4881 PR tree-optimization/25148
4882 * tree-vrp.c (compare_values): Remove code dealing with
4883 comparisons against type min/max value. Honour overflow
4884 and negative constants in code dealing with comparisons
4885 of plus and minus expressions.
4886 (value_inside_range): Use fold_binary with LE_EXPR and
4887 GE_EXPR rather than compare_values.
4889 2006-04-27 Dirk Mueller <dmueller@suse.de>
4891 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4894 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4896 * basic-block.h (safe_insert_insn_on_edge): Removed.
4897 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4899 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4900 Paolo Bonzini <bonzini@gnu.org>
4903 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4904 (simplify_and_const_int): Same.
4906 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4908 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4910 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4913 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4914 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4915 cgraph_global_info_ready.
4918 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4921 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4922 either decl or init is error_mark_node.
4925 * tree-flow.h (struct omp_region): Add sched_kind.
4926 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4927 instead of extracting omp for data.
4928 (expand_omp_for): Save extracted sched_kind.
4930 2006-04-25 Roger Sayle <roger@eyesopen.com>
4932 * expmed.c (store_bit_field): Also check whether the bitsize is
4933 valid for the machine's "insv" instruction before moving the
4934 target into a pseudo for use with the insv.
4935 * config/i386/predicates.md (const8_operand): New predicate.
4936 * config/i386/i386.md (extv, extzv, insv): Use the new
4937 const8_operand predicate where appropriate.
4939 2006-04-25 DJ Delorie <dj@redhat.com>
4941 * doc/install.texi (Specific): Clarify that this is not a list of
4942 supported hosts or targets.
4944 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4946 PR rtl-optimization/26725
4947 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4948 block's BB_DIRTY flag.
4950 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4952 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4955 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4956 to print an integer.
4958 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4960 * varasm.c (align_variable): New function.
4961 (get_block_for_decl): Apply align_variable to DECL before
4962 calculating section information.
4963 (assemble_variable): Split out alignment computation.
4965 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4967 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4970 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4972 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4973 MODE_PARTIAL_INT mode.
4974 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4975 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4977 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4978 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4980 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4982 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4984 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4985 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4986 MACFLAG_IH): Likewise.
4987 (movstricthi_1): Renamed from "*movstricthi".
4988 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4989 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4990 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4991 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4992 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4993 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4994 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4995 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4996 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4997 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4998 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4999 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5000 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5001 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5002 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5004 * doc/rtl.texi (ss_ashift): Improve wording.
5006 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5008 * dwarf2out.c (verify_marks_clear): New.
5009 (prune_unused_types): Call verify_marks_clear initially, not
5012 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5014 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5015 * doc/rtl.texi: Document them.
5016 * simplify-rtx.c (simplify_unary_operation,
5017 simplify_binary_operation_1): Don't abort when we see them.
5019 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5022 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5023 * configure.ac: Completely disregard languages that are not
5025 * configure: Regenerated.
5027 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5028 Richard Guenther <rguenther@suse.de>
5030 PR tree-optimization/27236
5031 * tree-inline.c (copy_body_r): Make sure to copy
5032 TREE_THIS_VOLATILE flag.
5034 2006-04-24 Richard Guenther <rguenther@suse.de>
5037 * tree-complex.c (update_parameter_components): Don't handle
5038 unused parameters which have no default def.
5040 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5041 Richard Guenther <rguenther@suse.de>
5043 PR tree-optimization/27218
5044 * tree-inline.c (expand_call_inline): Strip useless type
5045 conversions for the return slot address.
5047 2006-04-24 Richard Guenther <rguenther@suse.de>
5049 * cfgloop.h (struct loops): Remove unused field array. Reorder
5051 (LOOP_PREFETCH): Remove.
5053 2006-04-24 Richard Guenther <rguenther@suse.de>
5055 PR tree-optimization/22525
5056 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5057 variable, adjust types of generated expressions.
5059 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5061 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5062 (tree-vect-patterns.o): Likewise.
5064 (cselib.o): Likewise.
5065 (loop-doloop.o): Likewise.
5066 (regclass.o): Likewise.
5067 (reload1.o): Likewise.
5068 (explow.o): Replace target.h with $(TARGET_H).
5069 (ipa-prop.o): Likewise.
5070 (ipa-cp.o): Likewise.
5071 (ipa-inline.o): Likewise.
5072 (reorg.o): Likewise.
5073 (reg-stack.o): Likewise.
5075 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5077 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5079 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5081 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5083 * configure.ac: Completely disregard languages that are not
5085 * configure: Regenerated.
5088 * c-common.h (c_build_bitfield_integer_type): Declare.
5089 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5090 * c-common.c (c_build_bitfield_integer_type): ... here.
5092 2006-04-23 Roger Sayle <roger@eyesopen.com>
5095 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5096 a SImode SUBREG of a floating point register after no_new_pseudos.
5098 2006-04-23 Roger Sayle <roger@eyesopen.com>
5100 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5101 identify potentially eliminable registers to additionally catch
5102 VIRTUAL_INCOMING_ARGS_REGNUM.
5103 (addsi3): Update the conditions on when to use addsi_small_int.
5105 2006-04-23 Roger Sayle <roger@eyesopen.com>
5108 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5109 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5110 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5112 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5114 * fold-const.c (range_predecessor): Use operand_equal_p
5115 as the predicate for equality.
5116 (range_successor): Likewise.
5118 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5121 * config/soft-fp/op-common.h: Fix a typo.
5123 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5126 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5127 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5129 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5131 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5133 * doc/tm.texi: Fix a typo.
5135 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5137 * dwarf2out.c (struct die_struct): Document that die_sib makes
5138 a circular linked list.
5139 (FOR_EACH_CHILD): New.
5140 (reverse_die_lists): Delete.
5141 (reverse_all_dies): Delete.
5142 (add_dwarf_attr): Correct documentation.
5143 (remove_child_with_prev): New.
5144 (remove_child_TAG): Update for change to die_struct, use
5145 remove_child_with_prev.
5146 (add_child_die): Update for change to die_struct.
5147 (splice_child_die): Use remove_child_with_prev and add_child_die.
5148 (print_die): Use FOR_EACH_CHILD.
5149 (die_checksum): Likewise.
5150 (assign_symbol_names): Likewise.
5151 (output_location_lists): Likewise.
5152 (build_abbrev_table): Likewise.
5153 (calc_die_sizes): Likewise.
5154 (mark_dies): Likewise.
5155 (unmark_dies): Likewise.
5156 (unmark_all_dies): Likewise.
5157 (output_die): Likewise.
5158 (prune_unused_types_mark): Likewise.
5159 (prune_unused_types_walk): Likewise.
5160 (same_die_p): Update for change to die_struct.
5161 (break_out_includes): Likewise.
5162 (prune_unused_types_prune): Likewise.
5163 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5164 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5166 (dwarf2out_finish): Don't call reverse_all_dies.
5168 2006-04-21 Eric Christopher <echristo@apple.com>
5170 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5171 in comments and function names.
5173 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5176 * c-typeck.c (digest_init): Robustify.
5178 * c-typeck.c (pop_init_level): Simplify.
5180 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5182 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5184 2006-04-21 Paul Brook <paul@codesourcery.com>
5186 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5187 hardware floating point.
5189 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5191 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5194 2006-04-21 Nick Clifton <nickc@redhat.com>
5196 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5199 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5202 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5203 C++ lang type in traceback table for Objective-C++.
5205 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5207 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5209 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5211 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5214 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5215 were errors. Remove check for erroneous objects.
5217 2006-04-20 Jeff Law <law@redhat.com>
5219 PR tree-optimization/26854
5220 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5221 checking for zero or one use.
5222 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5223 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5224 * tree-ssa-reassoc.c (negate_value): Similarly.
5225 (reassociate_bb): Similarly.
5227 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5229 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5230 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5231 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5233 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5235 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5236 fp regs if the last fp arg doesn't fit in regs.
5238 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5241 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5242 that the last insn has the REG_INC note.
5244 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5245 Nathan Sidwell <nathan@codesourcery.com>
5248 * stor-layout.c (update_alignment_for_field): Do not align
5250 (place_union_field): Place union field at the start of the union.
5251 (place_field): Move ERROR_MARK check later, and use the current
5252 allocation position to maintain monotonicity.
5254 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5256 * dominance.c: Include timevar.h.
5257 (calculate_dominance_info): Use TV_DOMINANCE.
5258 * timevar.def (TV_DOMINANCE): New timevar.
5259 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5261 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5263 PR rtl-optimization/14261
5264 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5265 move would be an INSV insn.
5266 (noce_process_if_block): Don't optimize if the destination is a
5267 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5269 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5271 * config/s390/s390.md: Add comments with the instructions emitted
5272 by an insn pattern if macros are used.
5274 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5276 PR rtl-optimization/26026
5277 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5278 is a known power of two shifted left a variable amount.
5280 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5282 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5283 to hash table twice when the debug_str section has SECTION_MERGE.
5285 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5287 * config/soft-fp: New directory. From glibc.
5288 * config/soft-fp/t-softfp: New.
5289 * config/soft-fp/README: New.
5290 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5291 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5292 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5293 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5294 * config.gcc: Use rs6000/t-fprules-fpbit or
5295 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5297 * config/rs6000/sfp-machine.h: New. Based on glibc.
5298 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5300 * config/rs6000/t-fprules: Remove fp-bit rules.
5301 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5302 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5303 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5304 (softfp_wrap_start, softfp_wrap_end): New.
5306 2006-04-18 DJ Delorie <dj@redhat.com>
5308 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5310 2006-04-18 Devang Patel <dpatel@apple.com>
5312 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5314 2006-04-18 Nick Clifton <nickc@redhat.com>
5316 * config/sh/t-symbian: Add rule to build sh-c.o
5317 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5318 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5319 (sh_symbian_encode_section_info): Likewise.
5321 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5323 * builtins.c (expand_builtin_strcmp): Cover label definition of
5324 do_libcall with HAVE_cmpstrnsi.
5326 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5328 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5330 * function.h (temp_slot_p): New.
5331 (function): Change the type of x_used_temp_slots to
5332 VEC(temp_slot_p,gc) *.
5334 2006-04-18 Nick Clifton <nickc@redhat.com>
5336 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5337 flag_strength_reduce.
5339 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5341 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5345 Partial revert of revision 112637
5346 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5347 Dale Johannesen <dalej@apple.com>
5350 * regclass.c (struct reg_pref): Update documentation.
5351 (regclass): Set prefclass to NO_REGS if memory is the best option.
5352 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5354 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5356 PR tree-optimization/26821
5357 * tree-ssa-math-opts.c (get_constant_one): New.
5358 (insert_reciprocals): Use it.
5360 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5362 * dwarf2out.c (free_AT): Delete.
5363 (remove_AT): Update string ref counts.
5364 (remove_child_TAG): Don't call free_die.
5366 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5367 or DW_TAG_GNU_EINCL.
5368 (prune_unused_types_walk_attribs): Reset string refcounts.
5369 (prune_unused_types_update_strings): New.
5370 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5371 call free_die. Do call prune_unused_types_update_strings.
5372 (prune_unused_types): Empty debug_str_hash.
5374 2006-04-17 Roger Sayle <roger@eyesopen.com>
5376 * expr.c (expand_assignment): Optimize away no-op moves where the
5377 source and destination are equal and have no side-effects.
5379 2006-04-17 Richard Guenther <rguenther@suse.de>
5382 * reload.c (push_reload): Guard calls to get_secondary_mem
5385 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5387 * alias.c (reg_base_value, old_reg_base_value): Change the
5388 type to VEC(rtx,gc) *.
5389 (REG_BASE_VALUE, find_base_value, record_set,
5390 init_alias_analysis): Use VEC instead of VARRAY.
5392 * alias.c (alias_sets): Change the type to
5393 VEC(alias_set_entry,gc) *.
5394 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5395 VEC instead of VARRAY.
5396 (last_alias_set): Remove.
5398 * cgraph.h (cgraph_edge_p): New.
5399 Update the prototype of cgraph_function_versioning.
5400 * cgraphunit.c (cgraph_copy_node_for_versioning,
5401 cgraph_function_versioning): Use VEC instead of VARRAY.
5402 * ipa-cp.c (ipcp_insert_stage): Likewise.
5404 2006-04-16 Roger Sayle <roger@eyesopen.com>
5407 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5408 "A op B" or "A op C", we may need to convert A to the type of B and C.
5410 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5412 * target.h (struct gcc_target): Add mode_rep_extended.
5413 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5414 (init_num_sign_bit_copies_in_rep): Initialize it using
5416 (truncate_to_mode): Use it.
5417 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5418 * targhooks.h (default_mode_rep_extended): Declare it.
5419 * targhooks.c (default_mode_rep_extended): Define it.
5420 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5421 default_mode_rep_extended.
5422 (TARGET_INITIALIZER): Include it.
5423 * doc/tm.texi (Misc): Document it.
5424 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5425 (mips_truncated_to_mode): New function.
5427 2006-04-16 Roger Sayle <roger@eyesopen.com>
5430 * expr.c (compress_float_constant): Copy the narrow constant into
5431 a new pseudo before extending it to its final width.
5433 2006-04-16 Roger Sayle <roger@eyesopen.com>
5434 Andrew Pinski <pinskia@gcc.gnu.org>
5435 Dale Johannesen <dalej@apple.com>
5438 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5439 special case code to implement V8HImode and V16QImode with SSE2.
5441 2006-04-15 Roger Sayle <roger@eyesopen.com>
5443 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5444 trees are constructed with a suitable tree type.
5446 2006-04-15 Roger Sayle <roger@eyesopen.com>
5448 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5449 (integer_onep): Likewise.
5450 (integer_all_onesp): Likewise.
5451 (integer_pow2p): Likewise.
5452 (integer_nonzerop): Likewise.
5453 (real_zerop): Likewise.
5454 (real_onep): Likewise.
5455 (real_twop): Likewise.
5456 (real_minus_onep): Likewise.
5457 (int_size_in_bytes): Likewise.
5458 (host_integerp): Likewise.
5460 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5462 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5463 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5464 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5466 * tree-ssa-structalias.h (alias_info): Remove num_references.
5468 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5470 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5471 (output_bvb patterns): Likewise.
5472 * pa.c (output_bb): Use 'bb' insn for long branch case.
5473 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5474 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5475 1. Correct length operand for alternatives 1 and 2.
5476 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5477 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5479 2006-04-14 Roger Sayle <roger@eyesopen.com>
5481 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5482 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5483 were accidentally reverted by r112959.
5485 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5488 * except.h (eh_region_outermost): New prototype.
5489 * except.c (eh_region_outermost): New function.
5490 * tree-cfg.c (find_outermost_region_in_block): Use it.
5492 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5494 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5496 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5497 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5498 (init_reload, reload): Use VEC instead of VARRAY.
5499 * reload.h: Update the prototype for
5500 reg_equiv_memory_loc_varray.
5502 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5503 Eric Botcazou <ebotcazou@libertysurf.fr>
5505 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5508 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5511 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5512 to expand fallback builtin function call.
5514 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5517 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5518 and emit libcall here in case the builtin fails.
5519 (expand_builtin_strcmp): Always emit the libcall here on failure.
5521 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5523 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5524 * flow.c (reg_n_info): Change the type to
5525 VEC(reg_info_p,heap) *.
5526 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5528 * regs.h (reg_info_p): New.
5529 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5530 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5531 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5534 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5536 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5538 * params.h (MAX_SCHED_READY_INSNS): New macro.
5539 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5540 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5541 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5542 the ready list for 1 cycle during the first scheduling pass.
5543 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5545 2006-04-13 Richard Henderson <rth@redhat.com>
5548 * gimple-low.c (lower_omp_directive): Remove dead code.
5549 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5550 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5551 * omp-low.c (struct omp_region): Move to tree-flow.h.
5552 (root_omp_region): Export.
5553 (omp_regions, lookup_omp_region): Remove.
5554 (determine_parallel_type): Update for struct omp_region changes.
5555 (dump_omp_region): Dump regions with block numbers.
5556 (new_omp_region): Take type and block instead of stmt; malloc
5558 (free_omp_region_1, free_omp_regions): New.
5559 (expand_parallel_call): Take entry_stmt as argument; update for
5560 changes to omp_region.
5561 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5562 (remove_exit_barriers): New.
5563 (expand_omp_parallel): Update for struct omp_region changes.
5564 (expand_omp_synch): Likewise.
5565 (expand_omp): Likewise.
5566 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5567 (expand_omp_for_static_chunk): Likewise.
5568 (expand_omp_for): Likewise.
5569 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5570 (expand_omp_sections): Similarly, with GOMP_sections_end.
5571 (expand_omp_single): New.
5572 (build_omp_regions_1): Update for OMP_CONTINUE.
5573 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5574 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5575 OMP_SECTIONS_SECTIONS.
5576 (lower_omp_single_simple): Don't emit barrier here.
5577 (lower_omp_single_copy): Likewise.
5578 (lower_omp_single): Fix bindings, and lower to straightline now.
5579 (lower_omp_master, lower_omp_ordered): Likewise.
5580 (lower_omp_critical): Likewise.
5581 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5582 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5583 omp edges, free it afterward.
5584 (make_omp_sections_edges): Remove.
5585 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5586 (move_stmt_r): Handle OMP_CONTINUE.
5587 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5588 statement pointers to basic blocks. Add type member.
5589 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5590 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5591 * tree-inline.c (estimate_num_insns_1): Likewise.
5592 * tree-pretty-print.c (dump_generic_node): Likewise.
5593 * tree-ssa-operands.c (get_expr_operands): Likewise.
5594 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5595 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5596 (OMP_CONTINUE): New.
5597 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5598 (OMP_SECTIONS_SECTIONS): Remove.
5599 (OMP_SECTION_LAST): New.
5600 (OMP_RETURN_NOWAIT): New.
5602 2006-04-13 Roger Sayle <roger@eyesopen.com>
5604 * fold-const.c (native_encode_vector, native_interpret_real):
5605 Correct obvious mistakes in the previous check-in.
5607 2006-04-13 Roger Sayle <roger@eyesopen.com>
5609 * fold-const.c (native_encode_expr): New function to encode
5610 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5611 or VECTOR_CST into a specified buffer.
5612 (native_encode_int): New function.
5613 (native_encode_real): New function.
5614 (native_encode_complex): New function.
5615 (native_encode_vector): New function.
5616 (native_interpret_expr): Inverse of native_encode_expr to convert
5617 a target representation into an INTEGER_CST, REAL_CST etc...
5618 (native_interpret_int): New function.
5619 (native_interpret_real): New function.
5620 (native_interpret_complex): New function.
5621 (native_interpret_vector): New function.
5622 (fold_view_convert_expr): New function to constant fold/evaluate
5623 a VIEW_CONVERT_EXPR of a suitable constant expression.
5624 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5625 Change call of build1 to fold_build1 when constructing a
5628 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5629 Ulrich Weigand <uweigand@de.ibm.com>
5632 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5635 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5638 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5639 optimize to lo_sum for DFmode if !TARGET_FPRS.
5641 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5643 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5644 delete_alias_info, compute_flow_sensitive_aliasing,
5645 group_aliases): Use VEC instead of VARRAY.
5646 * tree-ssa-structalias.c (update_alias_info): Likewise.
5647 * tree-ssa-structalias.h (alias_info): Change the type of
5648 processed_ptrs to VEC(tree,heap) *.
5650 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5653 * config/sh/lib1funcs.h: New file, broken out of:
5654 * config/sh/lib1funcs.asm.
5655 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5657 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5658 * config/sh/lib1funcs-Os-4-200.asm: New file.
5659 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5660 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5661 (EXTRA_MULTILIB_PARTS): Include it.
5662 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5663 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5664 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5665 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5668 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5670 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5671 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5672 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5674 * tree-ssa-live.h: Include vecprim.h.
5675 (tree_partition_associator_d): Change the type of
5676 first_partition to VEC(int,heap) *.
5677 (tpa_first_partition): Use VEC instead of VARRAY.
5679 * Makefile.in (GTFILES): Move functions.h after tree.h.
5680 * function.c (reset_block_changes, record_block_change,
5681 check_block_change, free_block_changes): Use VEC instead of
5683 * function.h (function): Change the type of
5684 ib_boundaries_block to VEC(tree,gc) *.
5685 * tree-inline.c (copy_cfg_body): Initialize
5686 ib_boundaries_block to NULL instead of (varray_type) 0.
5688 2006-04-12 Roger Sayle <roger@eyesopen.com>
5690 * expr.c (emit_group_store): Correct operand order in call to
5691 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5692 a SUBREG_BYTE of zero.
5694 2006-04-12 Richard Guenther <rguenther@suse.de>
5696 * profile.c (compute_branch_probabilities): Remove code
5697 encapsulated in !ir_type (), which are remanents of the
5698 removed RTL profiling code.
5699 * rtl-profile.c: Remove.
5701 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5703 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5704 magic NULL_RTX comment.
5705 (function_arg): Store entire fp arg to mem if any part should go
5707 (rs6000_arg_partial_bytes): Adjust for above change.
5709 2006-04-11 Roger Sayle <roger@eyesopen.com>
5711 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5712 if it hasn't been initialized by dwarf2out_init.
5714 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5716 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5717 symbolic constants in branch patterns.
5719 2006-04-11 Roger Sayle <roger@eyesopen.com>
5721 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5723 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5725 PR rtl-optimization/27073
5726 * gcse.c (try_replace_reg): Revert last change. Continue to search
5727 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5730 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5732 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5733 aggregate types other than record and union types.
5734 (function_arg): Likewise.
5735 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5737 (function_value): In 64-bit mode, return objects that require it
5740 2006-04-11 Roger Sayle <roger@eyesopen.com>
5742 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5744 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5746 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5748 2006-04-03 Jeff Law <law@redhat.com>
5751 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5752 alias information too.
5754 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5756 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5758 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5761 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5762 (premark_used_types_helper): New.
5763 (premark_used_types): New.
5764 (gen_subprogram_die): Call premark_used_types.
5765 (prune_unused_types_walk): Do not prune perennial dies.
5766 * function.c (used_types_insert): New.
5767 * function.h (struct function): Add used_types_hash field.
5768 (used_types_insert): Add prototype.
5769 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5770 * c-parser.c (c_parser_cast_expression): Save casted types in used
5773 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5776 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5777 rs6000_explicit_options.float_gprs.
5779 2006-04-10 Roger Sayle <roger@eyesopen.com>
5781 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5782 from ix86_expand_vector_init_low_nonzero. Take an additional
5783 one_var argument indicating which element is non-zero. Support
5784 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5785 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5786 with one_var instead of ix86_expand_vector_init_low_nonzero.
5788 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5790 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5791 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5792 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5793 build/genextract.o): Depend on vecprim.h.
5794 * cfglayout.c, df-problems.c, function.c, genextract.c,
5795 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5796 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5800 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5802 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5803 Declare VECs of this type.
5804 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5805 (remove_children): Delete.
5806 (add_dwarf_attr): Use VEC routines.
5807 (add_AT_flag): Update for changes to add_dwarf_attr.
5808 (add_AT_int): Likewise.
5809 (add_AT_unsigned): Likewise.
5810 (add_AT_long_long): Likewise.
5811 (add_AT_vec): Likewise.
5812 (add_AT_string): Likewise.
5813 (add_AT_die_ref): Likewise.
5814 (add_AT_fde_ref): Likewise.
5815 (add_AT_loc): Likewise.
5816 (add_AT_loc_list): Likewise.
5817 (add_AT_addr): Likewise.
5818 (add_AT_lbl_id): Likewise.
5819 (add_AT_lineptr): Likewise.
5820 (add_AT_macptr): Likewise.
5821 (add_AT_offset): Likewise.
5822 (add_AT_range_list): Likewise.
5823 (get_AT): Use VEC_iterate.
5824 (remove_AT): Use VEC_ordered_remove.
5825 (free_die): Fold remove_children into here; have it use VEC_iterate.
5826 (print_die): Use VEC_iterate on attrs.
5827 (reverse_die_lists): Don't reverse attr lists.
5828 (die_checksum): Use VEC_iterate on attrs.
5829 (same_die_p): Likewise.
5830 (output_location_lists): Likewise.
5831 (build_abbrev_table): Likewise.
5832 (size_of_die): Likewise.
5833 (unmark_all_dies): Likewise.
5834 (output_abbrev_section): Likewise.
5835 (output_die): Likewise.
5836 (prune_unused_types_walk_attribs): Likewise.
5838 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5840 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5842 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5845 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5847 2006-04-09 Roger Sayle <roger@eyesopen.com>
5849 * expr.c (store_constructor): Don't bother clearing target if
5850 we're about to assign a vector to it using vec_init_optab.
5852 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5854 * tree-ssa-alias.c (lhs_may_store_to): New function.
5855 (recalculate_used_alone): Handle LHS of calls.
5857 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5861 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5862 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5863 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5864 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5865 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5866 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5867 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5868 stubs. Add ".align 8" directives before all ".dword" directives.
5869 (GTHREAD_USE_WEAK): Revise comment.
5870 (TARGET_ATTRIBUTE_WEAK): Define.
5871 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5872 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5873 * stublib.c: New file.
5878 * pa.md (cbranch patterns): Revise arguments used in calls to
5879 output_cbranch, output_bb and output_bvd. Add long branch length
5881 (fbranch patterns): Handle long branches.
5882 (jump): Revise length check. Revise arguments for output_lbranch call.
5883 Add long branch length attributes.
5884 (decrement_and_branch_until_zero): Add long branch length attributes.
5885 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5886 Likewise. Revise arguments for output_parallel_addb and
5887 output_parallel_movb calls.
5888 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5889 output_parallel_movb and output_parallel_addb): Update prototypes.
5890 * pa.c (output_cbranch): Revise arguments. Correct handling of
5891 nullification in long branches.
5892 (output_lbranch): Add new argument to control extraction of delay
5894 (output_bb): Handle long branches.
5895 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5896 output_parallel_addb): Likewise.
5898 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5900 PR rtl-optimization/27073
5901 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5904 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5906 * tree.h (tree_memory_tag): Add old_used_alone.
5907 (SMT_OLD_USED_ALONE): New macro.
5908 * tree-ssa-alias.c (recalculate_used_alone): Stop
5909 marking things for renaming unnecessarily.
5911 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5913 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5914 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5915 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5916 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5917 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5918 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5919 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5920 spelling convensions.
5921 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5922 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5923 typos. Follow spelling conventions.
5925 2006-04-07 DJ Delorie <dj@redhat.com>
5927 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5928 passed on the stack.
5929 (m32c_init_cumulative_args): When a function returns a structure,
5930 always pass the pointer to that return area on the stack.
5931 (m32c_function_arg_advance): Don't increment the parameter number
5932 if we're processing the returned structure pointer.
5933 (pushm_info): Reverse order of registers.
5935 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5937 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5938 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5939 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5940 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5942 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5943 chrec_fold_multiply): Same.
5944 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5945 force_expr_to_var_cost): Same.
5946 * tree-mudflap.c (mf_xform_derefs_1): Same.
5947 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5949 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5951 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5952 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5955 2006-04-07 Jan Hubicka <jh@suse.cz>
5957 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5959 2006-04-07 Richard Guenther <rguenther@suse.de>
5961 PR tree-optimization/26135
5962 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5963 loads for store copy-prop.
5964 (copy_prop_visit_stmt): Likewise.
5966 2006-04-05 Robert Millan <robertmh@gnu.org>
5968 * config/i386/linux.h: Add a comment to mark macros that are
5969 being overriden in config/k*bsd-gnu.h.
5970 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5972 * config/knetbsd-gnu.h: Ditto.
5974 2006-04-06 Jan Hubicka <jh@suse.cz>
5978 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5981 2006-04-06 Mike Stump <mrs@apple.com>
5983 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5984 for HAVE_nonlocal_goto to be consistent.
5985 (expand_builtin_nonlocal_goto): Likewise.
5986 (expand_builtin_strcmp): Use #ifdef instead of #if
5987 for HAVE_cmpstrnsi to be consistent.
5989 2006-04-05 DJ Delorie <dj@redhat.com>
5991 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5994 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5996 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5997 got-relative addressing for anything but SImode.
5999 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6000 even if the calling function doesn't modify them.
6002 2006-04-05 Richard Guenther <rguenther@suse.de>
6004 PR tree-optimization/26919
6005 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6006 to cgraph_estimate_size_after_inlining.
6008 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6010 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6012 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6014 PR tree-optimization/26996
6015 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6016 VECTOR_TYPE variables.
6018 2006-04-05 Richard Guenther <rguenther@suse.de>
6020 PR tree-optimization/26763
6021 * fold-const.c (fold_comparison): Move folding of
6022 PTR + CST CMP PTR + CST ...
6023 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6025 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6027 * doc/install.texi (Prerequisites): Refine some wording on
6028 bootstrapping and ksh.
6029 Move the version numbers of DejaGnu here from the testing section
6030 and fix casing of names.
6031 Fix markup and clarify wording for autogen requirements.
6032 Refer to GCJ instead of just java.
6033 Refer to SVN instead of CVS.
6034 Describe diffutils as useful instead of necessary.
6035 (Downloading the source): Refer to SVN instead of CVS.
6036 Adjust a link to our web site accordingly.
6037 (Configuration): Fix casing of Bison.
6038 (Building): Refer to SVN instead of CVS.
6039 Fix a sentence on the use of Bison and remove duplicate (and
6040 incorrect) version number of Bison requirement.
6041 Remove one redundant list of packages needed for building.
6042 (Specific): Avoid reference to CVS.
6044 2006-04-04 Eric Christopher <echristo@apple.com>
6046 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6047 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6048 (rs6000_handle_struct_attribute): New.
6049 (rs6000_ms_bitfield_layout_p): Ditto.
6051 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6053 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6054 NULL for dso parameter to atexit_common.
6056 2006-04-04 Eric Christopher <echristo@apple.com>
6058 * config/i386/i386.c (machopic_output_stub): Output \t
6059 between instructions and operands.
6061 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6063 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6064 satisfies_constraint_[IL] to explicit tests on value.
6066 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6068 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6069 set_nb_iterations_in_loop): Use build_int_cst instead of
6071 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6072 build_int_cst instead of convert.
6074 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6076 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6077 new value 2 for incoming.
6078 * function.c (expand_function_start): Call struct_value_rtx
6080 * config/sparc/sparc.md: Comment updated_return.
6081 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6082 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6083 struct return if sparc_std_struct_return and incoming is 2.
6084 (print_operand): Do not adjust return if
6085 sparc_std_struct_return.
6087 2006-04-04 Roger Sayle <roger@eyesopen.com>
6089 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6090 convert in the middle-end.
6091 * expr.c (store_expr, store_constructor, get_inner_reference,
6092 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6094 * tree.c (build_range_type): Likewise.
6096 2006-04-04 Tom Tromey <tromey@redhat.com>
6098 * doc/install.texi (Prerequisites): Mention jar.
6100 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6102 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6105 2006-04-04 Matthias Klose <doko@debian.org>
6107 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6108 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6111 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6113 * doc/extend.texi (Function Attributes): Rewrite visibility
6114 attribute documentation.
6115 * doc/invoke.texi (C++ Dialect Options): Rewrite
6116 -fvisibility-inlines-hidden documentation to describe something
6117 entirely different, although in practise compatible.
6118 (Code Gen Options): Warn about system headers in -fvisibility=
6121 * doc/extend.texi (Other Builtins): Document that
6122 __builtin_nan is a compile-time constant only when its argument
6125 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6127 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6128 trying to remove TRUNCATE check if all bits outside the new mode
6129 are identical to the sign bit.
6131 2006-04-03 Jeff Law <law@redhat.com>
6133 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6134 and operand scanning in some common cases.
6136 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6137 Dale Johannesen <dalej@apple.com>
6140 * regclass.c (struct reg_pref): Update documentation.
6141 (regclass): Set prefclass to NO_REGS if memory is the best option.
6142 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6143 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6144 into account. For non-registers, equate an empty preferred
6145 reload class to a `!' in the constraint; move the if clause to
6146 do so after those that reject the insn.
6147 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6149 (find_dummy_reload): Likewise.
6150 * doc/tm.texi (Register Classes): Document what it means
6151 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6152 * config/i386/i386.c (ix86_preferred_reload_class): Force
6153 using SSE registers (and return NO_REGS for floating-point
6154 constants) if math is done with SSE.
6155 (ix86_preferred_output_reload_class): New.
6156 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6157 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6158 * config/i386/i386.md: Remove # register preferences.
6160 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6163 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6164 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6165 the type of nb_iter.
6166 (instantiate_parameters_1): Convert the operands before calling
6167 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6168 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6170 2006-04-02 Roger Sayle <roger@eyesopen.com>
6172 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6173 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6175 * dojump.c (do_jump): Likewise.
6176 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6177 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6178 gimplify_boolean_expr): Likewise.
6179 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6180 * varasm.c (array_size_for_constructor): Likewise.
6181 * tree-object-size.c (compute_object_offset): Likewise.
6183 2006-04-02 Roger Sayle <roger@eyesopen.com>
6186 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6187 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6189 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6191 PR tree-optimization/26939
6192 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6194 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6196 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6197 at_stmt. Convert the type of operands before calling
6198 build_polynomial_chrec.
6199 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6201 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6202 (instantiate_parameters_1): Convert the type of operands before calling
6203 build_polynomial_chrec.
6204 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6205 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6206 reset_evolution_in_loop): Insert asserts to check the types of the
6208 (chrec_type): Moved...
6209 (eq_evolutions_p): Use operand_equal_p.
6210 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6211 the types of the operands.
6212 (chrec_type): ...here.
6213 * tree-data-ref.c (create_data_ref): Convert the operands before
6214 calling chrec_replace_initial_condition.
6215 (same_access_functions, analyze_subscript_affine_affine,
6216 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6217 (compute_subscript_distance, analyze_ziv_subscript,
6218 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6219 analyze_miv_subscript): Convert the operands before calling
6220 chrec_fold_minus or chrec_fold_plus.
6222 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6224 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6225 the dependence_relations vector.
6226 (compute_data_dependences_for_loop): Adjust call to
6227 compute_all_dependences.
6229 2006-04-01 Roger Sayle <roger@eyesopen.com>
6230 Richard Henderson <rth@redhat.com>
6232 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6233 gimple_boolify on the condition before calling gimplify_expr.
6235 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6237 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6238 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6239 the frame size. Update to use the new macros.
6240 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6241 * config/xtensa/ieee754-df.S: Likewise.
6243 2006-03-31 Richard Henderson <rth@redhat.com>
6245 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6246 (make_edges): ... here. Control fallthru creation with a local
6247 variable. Do not play with fake edges.
6248 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6249 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6252 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6254 * dwarf2.h (DW64_CIE_ID): Define.
6255 * dwarf2out.c (DWARF_CIE_ID): Define.
6256 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6257 length header. Use DWARF_CIE_ID.
6258 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6259 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6261 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6263 * config/sh/linux-atomic.asm: New file.
6264 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6266 2006-03-31 DJ Delorie <dj@redhat.com>
6268 * config/m32c/cond.md: Set condition flags properly throughout.
6269 * config/m32c/minmax.md: Likewise.
6270 * config/m32c/prologue.md: Likewise.
6271 * config/m32c/bitops.md: Likewise.
6272 * config/m32c/muldiv.md: Likewise.
6273 * config/m32c/mov.md: Likewise.
6274 * config/m32c/addsub.md: Likewise.
6275 * config/m32c/m32c.md: Likewise.
6276 * config/m32c/jump.md: Likewise.
6277 * config/m32c/shift.md: Likewise.
6279 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6280 conditionally output the pattern for this.
6281 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6282 (m32c_compare_redundant): New.
6283 (m32c_output_compare): New.
6284 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6286 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6287 dest, not src. Allow other 4-byte modes.
6289 2006-03-30 Denis Chertykov <denisc@overta.ru>
6291 * doc/md.texi: Refer to avr/constraints.md instead of
6294 2006-03-30 Roger Sayle <roger@eyesopen.com>
6296 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6297 signed vs. unsigned comparison failures on some hosts.
6299 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6302 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6303 change to FLOAT_REGS.
6305 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6306 (rs6000_override_options): Use it.
6307 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6308 only for -mabi=spe/no-spe and -mabi=altivec.
6310 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6312 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6315 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6317 * Makefile.in: Rename docdir to gcc_docdir.
6319 2006-03-30 Roger Sayle <roger@eyesopen.com>
6322 * expr.c (emit_group_store): Optimize group stores into a pseudo
6323 register by using a paradoxical subreg to initialize the destination
6324 if the first or last member of the group specifies a "low part".
6326 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6329 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6330 * target.h (struct gcc_target.speculate_insn): Change type of the
6331 second parameter to 'int'.
6332 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6333 the second operand of the DEPS_LIST.
6334 (copy_DEPS_LIST_list): Update reference to the second operand of the
6336 * rtl.h (alloc_DEPS_LIST): Update signature.
6337 * sched-int.h (ds_t): Change typedef to 'int'.
6338 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6340 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6342 * haifa-sched.c (try_ready): Change condition to restore
6343 non-speculative pattern of the instruction.
6344 (process_insn_depend_be_in_spec): Code to keep probability of the
6345 speculative dependence non-decreasing.
6347 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6349 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6350 (single_move_for_movmem): ... this. Also change all uses.
6351 (bfin_expand_strmov): Renamed to...
6352 (bfin_expand_movmem): ... this. Also change all uses.
6353 * config/bfin/bfin.md (movstrsi): Renamed to...
6354 (movstrsi): ...this.
6356 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6358 PR tree-optimization/26830
6360 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6361 (copy_prop_visit_stmt): Remove write-only variable ann.
6362 (init_copy_prop): Check variable loop depth here. Do not simulate
6363 memory-tag and virtual operand PHIs except for store copy prop.
6365 2006-03-30 Richard Guenther <rguenther@suse.de>
6367 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6368 variants with double arguments.
6370 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6372 * genpreds.c (write_tm_constrs_h): Delete variable p.
6373 * genconditions.c (write_header): Add tm-constrs.h to included
6375 * genpeep.c (main): Add toplev.h to included headers.
6376 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6377 (build/genpeep.o): Add toplev.h dependency.
6378 * config/rs6000/constraints.md: Add "W" constraint.
6380 2006-03-29 Roger Sayle <roger@eyesopen.com>
6382 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6383 sizes by correctly testing whether the size fits a host integer.
6384 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6385 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6386 SImode range for the default sizetype and bitsizetype.
6388 2006-03-29 Roger Sayle <roger@eyesopen.com>
6390 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6391 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6392 quickly if the argument is already of the correct type.
6393 Call fold_build1 instead of build1. Tidy up blank lines.
6395 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6397 * genemit.c (main): Add tm-constrs.h to included headers.
6398 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6399 * genpeep.c (main): Add tm-constrs.h to included headers.
6400 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6401 (write_tm_constrs_h): this and write complete file.
6402 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6403 (write_insn_preds_c): Add tm-constrs.h to included headers.
6404 (gen_constrs): New variable.
6405 (parse_option): Parse "-c".
6406 (main): Invoke write_tm_constrs_h.
6407 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6408 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6409 (object_out_file): Add tm-constrs.h dependency.
6410 (insn-emit.o): Same.
6411 (insn-output.o): Same.
6412 (insn-peep.o): Same.
6413 (insn-preds.o): Same.
6414 (insn-recog.o): Same.
6415 (tm-constsr.h): New target.
6416 (s-constrs-h): New target.
6418 * config/rs6000/constraints.md: New file.
6419 * config/rs6000/rs6000.c: Include tm-constrs.h.
6420 (num_insn_constant_wide): Convert to satisfies_constraint.
6421 (rs6000_rtx_costs): Convert to satisfies_constraint.
6422 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6423 (CONST_OK_FOR_LETTER_P): Delete.
6424 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6425 (EXTRA_CONSTRAINT): Delete.
6426 (EXTRA_MEMORY_CONSTRAINT): Delete.
6427 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6428 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6429 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6430 satisfies_constraint.
6432 * config/i386/i386.c: Include tm-constrs.h.
6434 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6436 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6437 * tree-data-ref.c (find_data_references_in_loop,
6438 compute_data_dependences_for_loop): Use pointers to VEC.
6439 (analyze_all_data_dependences): Adjust calls.
6440 * tree-data-ref.h (find_data_references_in_loop,
6441 compute_data_dependences_for_loop): Adjust declarations.
6442 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6443 compute_data_dependences_for_loop.
6445 2006-03-29 Paul Brook <paul@codesourcery.com>
6447 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6450 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6452 PR tree-optimization/26859
6453 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6455 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6456 for the step after fold_convert.
6458 2006-03-29 Paul Brook <paul@codesourcery.com>
6460 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6461 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6463 2006-03-29 Paul Brook <paul@codesourcery.com>
6466 * targhooks.c (default_narrow_bitfield): New fuction.
6467 * targhooks.h (default_narrow_bitfield): add prototype.
6468 * target.h (gcc_target): Add narrow_volatile_bitfield.
6469 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6470 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6471 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6472 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6474 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6476 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6478 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6479 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6480 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6481 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6482 (s390_function_arg_float): Allow SDmode and DDmode values to be
6483 passed in floating point registers.
6484 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6485 check with SCALAR_FLOAT_MODE_P.
6486 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6488 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6490 PR tree-optimization/25985
6491 * tree-ssa-loop-niter.c (number_of_iterations_le,
6492 number_of_iterations_ne): Make comments more precise.
6493 (number_of_iterations_cond): Add only_exit argument. Use the
6494 fact that signed variables do not overflow only when only_exit
6496 (loop_only_exit_p): New.
6497 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6498 number_of_iterations_cond.
6500 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6502 PR tree-optimization/26643
6503 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6506 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6508 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6509 (divsi3_i4_int): Likewise.
6511 2006-03-28 Roger Sayle <roger@eyesopen.com>
6513 * expr.c (emit_group_store): Only create a new pseudo reg if the
6514 quantity it needs to hold isn't already a suitable pseudo.
6516 2006-03-28 Jeff Law <law@redhat.com>
6518 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6519 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6521 2006-03-28 Roger Sayle <roger@eyesopen.com>
6523 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6524 the equivalent ~X & Y, and the symmetry related transformations.
6525 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6526 ~X & Y, and symmetry related transforms.
6528 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6530 Revert my 2006-03-27 patches.
6532 2006-03-28 Roger Sayle <roger@eyesopen.com>
6534 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6535 ~(T1)X, when T1 and T2 are integer types of the same precision
6536 and (T2)X isn't an extension.
6538 2006-03-28 Jeff Law <law@redhat.com>
6540 PR tree-optimization/26796
6541 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6542 need EH edge cleanups rather than purging them immediately.
6543 (eliminate_degenerate_phis): Handle queued EH cleanups.
6545 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6547 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6550 2006-03-27 Roger Sayle <roger@eyesopen.com>
6553 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6554 cast BIT_NOT_EXPR operand to the correct type.
6556 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6558 * tree-loop-linear.c: Don't include varray.h.
6559 (gather_interchange_stats, try_interchange_loops,
6560 linear_transform_loops): Use VEC instead of VARRAY.
6561 * lambda-mat.c: Don't include varray.h.
6562 * tree-chrec.c: Same.
6563 * lambda-trans.c: Same.
6564 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6565 VEC instead of VARRAY.
6566 * tree-vectorizer.h: Idem.
6567 * tree-data-ref.c (dump_data_references,
6568 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6569 initialize_data_dependence_relation, finalize_ddr_dependent,
6570 compute_all_dependences, find_data_references_in_loop,
6571 compute_data_dependences_for_loop, analyze_all_data_dependences,
6572 free_dependence_relation, free_dependence_relations,
6573 free_data_refs): Idem.
6574 * tree-data-ref.h (data_reference_p, subscript_p): New.
6575 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6576 VEC instead of VARRAY.
6577 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6578 (find_data_references_in_loop, compute_data_dependences_for_loop,
6579 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6580 dump_data_dependence_relations, free_dependence_relations,
6581 free_data_refs): Adjust declaration.
6582 (lambda_transform_legal_p): Move declaration here...
6583 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6584 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6585 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6586 vect_analyze_data_refs): Use VEC instead of VARRAY.
6587 * lambda.h (lambda_transform_legal_p): ...from here.
6588 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6589 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6590 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6591 tree-chrec.o): Don't depend on VARRAY_H.
6593 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6595 * rtl.def (Copyright): Update date.
6596 (DEPS_LIST): Change type of the second operand to 'int'.
6597 * target.h (Copyright): Update date.
6598 (struct gcc_target.speculate_insn): Change type of the second parameter
6600 * lists.c (Copyright): Update date.
6601 (alloc_DEPS_LIST): Change signature. Update reference to the second
6602 operand of the DEPS_LIST.
6603 (copy_DEPS_LIST_list): Update reference to the second operand of the
6605 * rtl.h (Copyright): Update date.
6606 (alloc_DEPS_LIST): Update signature.
6607 * sched-int.h (Copyright): Update date.
6608 (ds_t): Change typedef to 'int'.
6609 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6611 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6613 * haifa-sched.c (Copyright): Update date.
6614 (try_ready): Change condition to restore non-speculative pattern
6616 (process_insn_depend_be_in_spec): Code to keep probability of the
6617 speculative dependence non-decreasing.
6619 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6621 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6622 shut up the compiler.
6624 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6626 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6627 to use lib prefix for target.
6628 ($(T)libic_invalidate_array_4-200.a): Likewise.
6629 ($(T)libic_invalidate_array_4a.a): Likewise.
6631 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6632 J"orn Rennecke <joern.rennecke@st.com>
6634 * superh.opt: New file.
6635 * sh.c (boardtype, osruntime): Remove.
6636 * superh.h (SUBTARGET_OPTIONS): Remove.
6637 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6639 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6640 arguments with ^ and/or [].
6642 * config.gcc (sh-*-*): Add quoting to account for quirk of
6644 Replace == with = in enable_incomplete_targets test.
6646 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6647 with MASK_LITTLE_ENDIAN.
6649 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6650 * config/sh/sh.opt: Added to some comments.
6651 * config/sh/superh.h: Removed some chaff.
6653 * config/sh/sh.opt: Add m4-[1234]00* options.
6654 * config/sh/sh.c (sh_handle_option): Likewise.
6655 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6656 (ic_invalidate_array_4-100.o): New rule.
6657 ($(T)libic_invalidate_array_4-100.a): Likewise.
6658 (ic_invalidate_array_4-200.o): Likewise.
6659 ($(T)libic_invalidate_array_4-200.a): Likewise.
6660 (ic_invalidate_array_4a.o): Likewise.
6661 ($(T)libic_invalidate_array_4a.a): Likewise.
6662 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6663 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6665 * config/sh/crt1.asm: Merged in profiling code.
6666 * config/sh/superh.h (STARTFILE_SPEC): Override.
6667 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6668 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6669 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6671 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6672 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6673 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6675 * sh.opt (mpretend-cmove): New option.
6676 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6677 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6678 (movsicc): Add TARGET_PRETEND_CMOVE code.
6680 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6682 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6683 s390_class_max_nregs): New function prototypes.
6684 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6685 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6686 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6687 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6689 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6691 * dwarf2out.c (add_location_or_const_value_attribute): Call
6692 tree_add_const_value_attribute if nothing else works.
6693 (reference_to_unused): New.
6694 (rtl_for_decl_init): Use reference_to_unused to decide whether
6695 to output an initializer.
6697 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6700 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6701 peephole removing spe frob_di_df_2.
6703 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6705 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6706 (subscript_dependence_tester_1): Declared.
6707 (print_dir_vectors, print_dist_vectors): New.
6708 (debug_data_dependence_relation): New.
6709 (dump_data_dependence_relation): Print more details.
6710 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6711 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6712 (save_dist_v, save_dir_v, add_outer_distances,
6713 build_classic_dist_vector_1): New.
6714 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6715 Don't test for lambda_vector_lexico_pos.
6716 (same_access_functions, add_multivariate_self_dist,
6717 add_other_self_distances, dir_from_dist): New.
6718 (build_classic_dir_vector): Replace implementation almost identical to
6719 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6721 (subscript_dependence_tester_1): New.
6722 (subscript_dependence_tester): Handle the lexicographically negative
6723 distance vectors by recomputing the dependence relation.
6724 (compute_affine_dependence): Remove parameter loop_nest_depth.
6725 (compute_self_dependence): Don't call compute_subscript_distance.
6726 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6727 Add a parameter for the loop_nest.
6728 (find_loop_nest_1, find_loop_nest): New.
6729 (compute_data_dependences_for_loop): Compute the loop nest, and give
6730 up if the nest is not well formed.
6731 * tree-data-ref.h (loop_p): New.
6732 (struct data_dependence_relation): Replace size_vect field with
6733 loop_nest, a vec of loops.
6734 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6735 (DDR_LOOP_NEST): New.
6736 (print_dir_vectors, print_dist_vectors,
6737 debug_data_dependence_relation): Declared.
6738 (index_in_loop_nest): New.
6739 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6740 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6743 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6745 * simplify-rtx.c (simplify_relational_operation): Call
6746 simplify_relational_operation_1 even if mode is VOIDmode.
6748 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6750 PR tree-optimization/26804
6751 * tree.h (DECL_CALL_CLOBBERED): New macro.
6752 (tree_decl_common): Add call_clobbered_flag.
6753 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6754 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6755 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6756 (mark_non_addressable): Ditto.
6757 * tree-ssa.c (verify_call_clobbered): New function.
6758 (verify_alias_info): Use it.
6759 * tree-pass.h (pass_reset_cc_flags): New prototype.
6760 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6761 (reset_cc_flags): New function.
6762 * passes.c (init_optimization_passes): Call reset_cc_flags after
6763 initializing referenced_vars.
6765 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6766 Roger Sayle <roger@eyesopen.com>
6769 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6770 to 1.0 for non-real operands. Implement A / A optimization for
6773 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6775 * config/i386/i386.c (size_cost): Correct the comment for
6776 cost of storing fp registers.
6777 (i386_cost): Likewise.
6778 (i486_cost): Likewise.
6779 (pentium_cost): Likewise.
6780 (pentiumpro_cost): Likewise.
6781 (k6_cost): Likewise.
6782 (athlon_cost): Likewise.
6783 (k8_cost): Likewise.
6784 (pentium4_cost): Likewise.
6785 (nocona_cost): Likewise.
6786 (generic64_cost): Likewise.
6787 (generic32_cost): Likewise.
6789 2006-03-24 Denis Chertykov <denisc@overta.ru>
6791 * config/avr/avr-protos.h (extra_constraint): Delete.
6792 (extra_constraint_Q): New declaration.
6793 * config/avr/constraints.md: New file.
6794 * config/avr/avr.md: Include it.
6795 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6796 (TMP_REGNO, ZERO_REGNO): Likewise.
6797 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6798 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6799 (extra_constraint): Delete.
6800 (extra_constraint_Q): Test for memory constraint 'Q'.
6801 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6802 (REG_CLASS_FROM_LETTER): Delete.
6803 (CONST_OK_FOR_LETTER_P): Delete.
6804 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6805 (EXTRA_CONSTRAINT): Delete.
6806 (TMP_REGNO): Delete.
6807 (ZERO_REGNO): Delete.
6809 2006-03-24 Jeff Law <law@redhat.com>
6811 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6812 directly. Call mark_new_vars_to_rename slightly earlier.
6814 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6816 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6818 (gen_compile_unit_die): Use new language types for Objective-C and
6820 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6821 DW_LANG_C_plus_plus.
6824 * config/t-darwin (crt3.o): Work around bug 26840.
6825 * config/darwin-crt3.c: Rewrite.
6826 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6828 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6830 * doc/invoke.texi: Document -femit-class-debug-always
6831 * common.opt: Add -femit-class-debug-always.
6833 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6835 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6836 index and base register.
6837 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6838 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6839 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6840 REGNO_OK_FOR_INDEX_P.
6841 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6843 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6844 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6845 REG_OK_FOR_BASE_P): Definitions removed.
6847 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6850 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6851 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6852 set yet or weren't marked as local yet.
6854 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6856 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6859 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6861 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6862 (rs6000_legitimate_small_data_p): Delete.
6863 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6864 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6865 and make static. Add forward declaration. Update uses.
6866 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6867 of offsettable_memref_p.
6868 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6869 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6871 2006-03-24 Jeff Law <law@redhat.com>
6873 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6874 around bug in immediate-use iterator.
6876 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6879 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6880 or __LITTLE_ENDIAN__.
6882 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6884 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6885 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6886 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6887 * config/sh/sh.opt (mdiv=): Amend description.
6888 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6889 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6890 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6891 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6892 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6893 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6894 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6895 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6896 TARGET_DIVIDE_CALL_FP.
6898 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6900 * haifa-sched.c (choose_ready): Fix type of the local variable.
6901 Move local variables. Add comment.
6902 (check_reg_live): Change signature. Make callable from debugger.
6903 * sched-int.h (check_reg_live): Update signature.
6904 * sched-ebb.c (check_reg_live): Update parameters.
6905 * sched-rgn.c (check_reg_live): Ditto.
6906 (region_head_or_leaf_p): Check pointer before dereferencing.
6907 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6908 before reload on optimization levels below 1.
6910 2006-03-23 Richard Henderson <rth@redhat.com>
6912 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6916 * config/alpha/predicates.md (local_symbolic_operand): Reject
6919 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6922 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6923 expressions which have overflowed constants.
6925 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6927 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6929 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6931 * cfgloopmanip.c (create_loop_notes): Removed.
6932 * final.c (final_scan_insn): Do not handle loop notes.
6933 * jump.c (squeeze_notes): Ditto.
6934 * cfglayout.c (skip_insns_after_block,
6935 duplicate_insn_chain): Ditto.
6936 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6938 * cfgloop.h (create_loop_notes): Declaration removed.
6940 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6942 * varasm.c (output_constant_pool): Restore fnname and fndecl
6944 (assemble_start_function): Adjust call accordingly.
6945 (assemble_end_function): Likewise.
6947 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6950 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6953 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6955 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6958 * system.h (ICE_EXIT_CODE): New macro.
6959 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6960 (diagnostic_action_after_output): Likewise.
6961 * gcc.c (fatal_ice): New function.
6962 (execute): Use it instead of fatal.
6963 (fancy_abort): Likewise.
6964 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6966 2006-03-22 Jeff Law <law@redhat.com>
6968 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6969 iv_analyze_result returning false.
6971 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6973 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6975 2006-03-22 Richard Henderson <rth@redhat.com>
6978 * except.c (duplicate_eh_regions_0): New.
6979 (duplicate_eh_region_1): Duplicate the children of the node as
6980 well as the node itself. Link them up properly.
6981 (duplicate_eh_region_2): Merge into ...
6982 (duplicate_eh_regions): ... here. Take copy_region argument, and
6983 copy only a sub-tree if asked. Simplify copying and fixup.
6984 (eh_region_outer_p): New.
6985 * except.h (duplicate_eh_regions): Update decl.
6986 (eh_region_outer_p): Declare.
6987 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6988 (lower_omp_master): Likewise.
6989 (lower_omp_ordered): Likewise.
6990 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6991 (move_stmt_r): Use it to remap labels. Handle recursion vs
6992 remap_decls_p properly.
6993 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6994 (find_outermost_region_in_block): New.
6995 (new_label_mapper): New.
6996 (move_sese_region_to_fn): Copy eh information to the new function
6998 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7000 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7003 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7005 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7006 into shared libraries.
7008 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7010 * doc/md.texi: Refer to i386/constraints.md instead of
7012 * config/i386/constraints.md: New file, extracted from...
7013 * config/i386/predicates.md: ...here.
7014 * config/i386/i386.md: Include constraints.md.
7016 2006-03-21 Jason Merrill <jason@redhat.com>
7018 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7021 * expr.c (init_block_move_fn): Force default visibility.
7022 (init_block_clear_fn): Likewise.
7023 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7024 * targhooks.c (default_external_stack_protect_fail): Likewise.
7026 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7028 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7029 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7030 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7031 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7032 (loadgp): Use mips_current_loadgp_style.
7033 (loadgp_noshared): New pattern.
7034 (sibcall_internal): Use MIPS_CALL.
7035 (sibcall_value_internal): Likewise.
7036 (sibcall_value_multiple_internal): Likewise.
7037 (call_internal): Likewise.
7038 (call_value_internal): Likewise.
7039 (call_value_multiple_internal): Likewise.
7040 (call_split): Use MIPS_CALL and add an 'S' constraint.
7041 (call_value_split): Likewise.
7042 (call_value_multiple_split): Likewise.
7043 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7044 (-mshared): New option.
7045 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7046 (mips_current_loadgp_style): Declare.
7047 * config/mips/mips.c (mips_classify_symbol): Avoid using
7048 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7049 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7050 TARGET_ABSOLUTE_ABICALLS.
7051 (override_options): Adjust comments. Improve the warning that is
7052 issued when -mabicalls and -G are used together.
7053 (mips_file_start): Remove comment.
7054 (mips_current_loadgp_style): New function.
7055 (mips_gnu_local_gp): New variable.
7056 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7058 (mips_output_function_prologue): Use mips_current_laodgp_style.
7059 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7060 the cprestore instruction.
7061 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7062 live for TARGET_ABSOLUTE_ABICALLS.
7063 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7064 (ASM_SPEC): Pass down -mshared and -mno-shared.
7065 (MIPS_CALL): New macro.
7066 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7068 * doc/invoke.texi (-mabicalls): Update documentation.
7069 (-mshared): Document.
7071 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7073 * config/ia64/unwind-hpux.c: New file.
7074 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7076 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7079 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7081 2006-03-21 Jeff Law <law@redhat.com>
7083 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7084 type conversions of a VR_VARYING source to a wider type.
7086 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7088 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7089 tm_file on Solaris 10 and later.
7090 (sparc64-*-solaris2*): Likewise.
7091 (sparc-*-solaris2*): Likewise.
7092 * config/sol26.h: Rename to config/sol2-6.h.
7093 * config/sol2-10.h: New file.
7095 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7098 * tree-ssa-pre.c (create_component_ref_by_pieces):
7101 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7104 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7105 return it immediately.
7107 2006-03-21 Michael Matz <matz@suse.de>
7109 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7111 (remove_arc, add_arc): Update num_out_arcs member.
7112 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7114 (cache_presence): New function.
7115 (compare_states_for_equiv): New function.
7116 (state_is_differed): Don't take number of outargs, adjust callers.
7117 Use new invariant for speeding up.
7118 (init_equiv_class): Create initial classes based on sorted
7120 (partition_equiv_class): Don't track out_arcs_num.
7121 (evaluate_equiv_classes): Call cache_presence on all states and
7124 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7126 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7127 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7128 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7129 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7131 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7132 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7133 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7134 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7135 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7137 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7138 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7139 (REGNO_REG_CLASS): ARGP is in PREGS.
7140 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7142 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7143 to deal with those addresses.
7144 * addresses.h: New file.
7145 * caller-save.c: Include "addresses.h".
7146 (init_caller_save): Use new base_reg_class function.
7147 * rtl-factoring.c: Include "addresses.h".
7148 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7149 * recog.c: Include "addresses.h".
7150 (preprocess_constraints): Use new base_reg_class function.
7151 * regrename.c: Include "addresses.h".
7152 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7153 functions. Keep track of a new var INDEX_CODE to compute valid
7155 (replace_oldest_value_addr): Likewise.
7156 (replace_oldest_value_mem): Use base_reg_class.
7157 * reload.c: Include "addresses.h".
7158 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7159 (find_reloads): Use new base_reg_class function.
7160 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7161 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7162 all callers and prototype changed.
7163 * reload1.c: Include "addresses.h".
7164 (maybe_fix_stack_asms): Use base_reg_class.
7165 * regclass.c: Include "addresses.h".
7166 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7167 (init_reg_autoinc): Use new base_reg_class function.
7168 (record_reg_classes): Likewise.
7169 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7170 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7171 Use new args to compute necessary class.
7173 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7174 regrename.o, rtl-factoring.o): Update dependencies.
7175 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7176 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7177 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7178 REG_OK_FOR_INDEX_P): Delete documentation.
7180 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7182 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7183 from V7 to V9 for Solaris 7 and above.
7185 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7187 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7188 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7189 argument pointers may not alias any other storage.
7190 * common.opt: Define option -fargument-noalias-anything.
7191 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7192 alias semantics is specified by flag_argument_noalias > 2.
7194 2006-03-20 Jeff Law <law@redhat.com>
7196 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7197 (pass_phi_only_cprop): Declare.
7198 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7200 * tree-ssa-dom.c (degenerate_phi_result): New function.
7201 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7202 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7203 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7204 (eliminate_degenerate_phis): Likewise.
7205 (pass_phi_only_cprop): New pass descriptor.
7206 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7207 support code. Callers updated.
7208 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7209 (store_copy_prop): Likewise.
7210 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7212 2006-03-20 Jason Merrill <jason@redhat.com>
7215 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7216 (push_visibility, pop_visibility): Likewise.
7217 * c-pragma.h: Declare them.
7219 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7221 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7223 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7224 parameter and use get_ebb_head_tail.
7225 (sh_md_init_global): Adjust uses of find_regmode_weight.
7227 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7229 * function.h (struct function) <x_tail_recursion_reentry>:
7230 Rename to x_stack_check_probe_note.
7231 (tail_recursion_reentry): Rename to stack_check_probe_note.
7232 * function.c: Replace tail_recursion_reentry with
7233 stack_check_probe_note everywhere.
7234 (expand_function_start): Only emit a note for
7235 stack_check_probe_note with -fstack-protect.
7236 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7238 * emit-rtl.c (remove_unnecessary_notes): Remove.
7239 (pass_remove_unnecessary_notes): Remove.
7240 * rtl.h (remove_unnecessary_notes): Remove prototype.
7241 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7242 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7243 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7245 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7248 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7249 (valid_in_set): Handle ARRAY_REF.
7250 Change "if min_variant or VH" to asserts.
7251 (create_component_ref_by_pieces): Handle ARRAY_REF.
7252 (create_expression_by_pieces): Likewise.
7253 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7255 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7257 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7258 is operand of switch, not str[0].
7260 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7262 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7263 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7265 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7267 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7268 end of insn_extra_address_constraint declaration.
7270 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7272 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7273 (no-sum-in-toc): Same.
7274 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7276 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7277 NO_FP_IN_TOC for -fPIC instead of mask.
7279 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7280 (BOOT_LDFLAGS): Delete.
7282 * config/rs6000/t-aix52: Same.
7284 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7285 (stmsi[345678]_power): New.
7287 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7289 * config/ia64/ia64.opt: Add empty line to end of file.
7291 2006-03-17 Richard Guenther <rguenther@suse.de>
7294 * builtins.c (get_pointer_alignment): For component style references
7295 adjust alignment to the component type alignment. Make sure
7296 to adjust alignment for component access of constants.
7298 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7300 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7303 2006-03-17 Paul Brook <paul@codesourcery.com>
7305 * doc/install.texi: Docuemnt --with-mode.
7306 * config.gcc: Add --with-mode for arm*-*-*.
7307 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7309 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7311 * sh.c (max_labelno_before_reorg): New variable.
7312 (sh_reorg): Initialize it.
7313 (find_barrier): Check max_labelno_before_reorg before using
7314 label_to_alignment. Take length of explicit alignment insns
7315 into account. When seeing a UNSPECV_CONST_END, return it.
7317 * sh.c (fixup_mova): Set mode of affected label to QImode.
7318 (untangle_mova): New function.
7319 (find_barrier): Use it. Check mode of label before decrementing
7321 (sh_reorg): Likewise.
7322 Set mode of all insns back to VOIDmode.
7324 * sh.c (MOVA_LABELREF): New macro.
7325 (mova_p, fixup_mova, sh_reorg): Use it.
7326 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7327 ADDR_DIFF_VEC matches mova.
7329 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7331 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7332 with ATTRIBUTE_UNUSED.
7334 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7336 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7337 pointer, instead of assuming it is possible to derive the
7338 correct args size from a call insn.
7340 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7342 * rtl.h (CONST_INT_P): Define.
7343 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7344 instead of GET_CODE(x) == CONST_INT.
7345 (vax_rtx_costs): Likewise.
7346 (vax_output_int_move): Likewise.
7347 (vax_output_int_add): Likewise.
7348 (legitimate_constant_address_p): Likewise.
7349 (index_term_p): Likewise.
7350 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7351 * config/vax/vax.md (and<mode>3): Likewise.
7352 (ashrsi3): Likewise.
7354 (movstricthi): Likewise.
7355 (movstrictqi): Likewise.
7356 (rotrsi3): Likewise.
7357 (five unnamed insns): Likewise.
7359 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7361 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7362 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7363 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7364 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7365 Pass to ASM_OUTPUT_DWARF_OFFSET.
7366 * dwarf2out.c (debug_frame_section): New.
7367 (output_call_frame_info): Use debug_frame_section. Pass it to
7368 dw2_asm_output_offset.
7369 (output_die): Pass appropriate section to dw2_asm_output_offset.
7370 (output_compilation_unit_header): Likewise.
7371 (output_pubnames): Likewise.
7372 (output_aranges): Likewise.
7373 (enum dw_val_class): Break dw_val_class_lbl_offset into
7374 dw_val_class_lineptr and dw_val_class_macptr.
7375 (add_AT_lbl_offset): Delete.
7376 (add_AT_lineptr): New.
7377 (add_AT_macptr): New.
7378 (AT_lbl): Expect a lineptr or macptr.
7379 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7380 (attr_checksum): Likewise.
7381 (same_dw_val_p): Likewise.
7382 (size_of_die): Likewise.
7383 (value_format): Likewise.
7384 (output_die): Likewise.
7385 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7387 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7388 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7389 * config/darwin-protos.h (darwin_file_start): New.
7390 (darwin_asm_output_dwarf_offset): New.
7391 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7392 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7394 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7395 if not EH section; simplify.
7396 (darwin_file_start): New.
7397 (darwin_asm_output_dwarf_offset): New.
7398 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7400 (DEBUG_INFO_SECTION): Likewise.
7401 (DEBUG_ABBREV_SECTION): Likewise.
7402 (DEBUG_ARANGES_SECTION): Likewise.
7403 (DEBUG_MACINFO_SECTION): Likewise.
7404 (DEBUG_LINE_SECTION): Likewise.
7405 (DEBUG_LOC_SECTION): Likewise.
7406 (DEBUG_PUBNAMES_SECTION): Likewise.
7407 (DEBUG_STR_SECTION): Likewise.
7408 (DEBUG_RANGES_SECTION): Likewise.
7409 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7410 (ASM_OUTPUT_DWARF_OFFSET): New.
7412 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7414 * config.gcc (tm_defines): Always add to previous value rather
7417 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7419 * config/mips/predicates.md (splittable_const_int_operand): New,
7420 split from move_operand.
7421 (splittable_symbolic_operand): New.
7422 (move_operand): Add commentary. Use splittable_const_int_operand.
7423 Inline mips_atomic_symbolic_constant_p.
7424 * config/mips/mips.md: Add combine splitters for handling moves
7425 of splittable_const_int_operands and splittable_symbolic_operands.
7426 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7427 (mips_split_symbol): Declare.
7428 (mips_move_integer): Declare.
7429 * config/mips/mips.c (mips_split_p): Make global.
7430 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7431 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7432 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7433 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7434 (mips_offset_within_object_p): Handle block symbols.
7435 (mips_atomic_symbolic_constant_p): Delete.
7436 (mips_cannot_force_const_mem): Return false for constants that
7437 mips_legitimize_move can handle.
7438 (mips_use_blocks_for_constant_p): New function.
7439 (mips_split_symbol): Make global.
7440 (mips_move_integer): Likewise. Add a temporary register argument.
7441 (mips_legitimize_const_move): Use splittable_const_int_operand and
7442 splittable_symbolic_operand.
7443 (mips_use_anchors_for_symbol_p): New function.
7444 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7445 (mips_split_p): Declare.
7447 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7449 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7450 (mips*-*-linux*): Likewise.
7452 2006-03-16 Roger Sayle <roger@eyesopen.com>
7453 Daniel Speyer <dspeyer@wam.umd.edu>
7456 * tree-dump.c (dump_real): New function.
7457 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7458 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7459 (tree-dump.o): Add $(REAL_H) to the dependencies.
7461 2006-03-16 Roger Sayle <roger@eyesopen.com>
7464 * real.c (real_from_string): If the mantissa is zero, don't bother
7465 parsing the exponent as the result should always be zero.
7467 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7469 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7471 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7473 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7474 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7475 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7476 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7477 ia64_sched_finish_global): New static functions to implement
7478 hooks from gcc_target.sched.
7479 (spec_check_no, max_uid, pending_data_specs): New static variables.
7480 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7481 ia64_spec_check_src_p): New static functions.
7482 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7483 (TARGET_SCHED_ADJUST_COST): Removed.
7484 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7485 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7486 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7487 TARGET_SCHED_GEN_CHECK,
7488 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7489 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7490 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7491 Fixed to handle speculation checks.
7492 (rtx_needs_barrier): Fixed to handle speculative loads and
7494 (ia64_variable_issue): Added code to count speculative loads and their
7496 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7498 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7500 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7502 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7503 (ia64_reorg): Reset stops_p to NULL after it is freed.
7504 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7505 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7506 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7508 (data_speculative, control_speculative, check_load): New attributes.
7509 (mov<mode>_advanced, mov<mode>_speculative,
7510 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7511 zero_extend<mode>di2_speculative,
7512 zero_extend<mode>di2_speculative_advanced): New patterns for
7513 data and control speculative loads.
7514 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7516 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7517 New pattern for data and control speculation checks.
7518 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7519 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7520 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7521 Auxiliary definitions for the patterns.
7522 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7523 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7525 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7527 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7528 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7529 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7530 New resource constraints.
7531 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7533 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7534 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7535 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7536 msched-in-control-spec, msched-ldc, msched-control-ldc,
7537 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7538 msched-prefer-non-control-spec-insns,
7539 msched-count-spec-in-critical-path): New flags to tune speculative
7541 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7542 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7543 msched-in-control-spec, msched-ldc, msched-control-ldc,
7544 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7545 msched-prefer-non-control-spec-insns,
7546 msched-count-spec-in-critical-path): Document new flags.
7548 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7550 * target.h (struct spec_info_def): New opaque declaration.
7551 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7552 speculate_insn, needs_block_p, gen_check,
7553 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7554 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7555 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7556 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7557 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7558 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7560 (TARGET_SCHED): Use new macros.
7561 * rtl.h (copy_DEPS_LIST_list): New prototype.
7562 * sched-int.h (struct sched_info): Change signature of new_ready field,
7563 adjust all initializations. New fields: add_remove_insn,
7564 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7565 region_head_or_leaf_p.
7566 (struct spec_info_def): New structure declaration.
7567 (spec_info_t): New typedef.
7568 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7569 recovery_block, orig_pat.
7570 (glat_start, glat_end): New variables declaraions.
7571 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7573 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7574 DETACH_LIFE_INFO, USE_GLAT.
7575 (enum SPEC_SCHED_FLAGS): New enumeration.
7576 (NOTE_NOTE_BB_P): New macro.
7577 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7578 attach_life_info, debug_spec_status, check_reg_live): New functions.
7579 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7580 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7582 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7583 * ddg.c (get_block_head_tail): Adjust all uses.
7584 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7585 (sms_sched_info): Initialize new fields.
7586 (contributes_to_priority): Removed.
7587 * haifa-sched.c (params.h): New include.
7588 (get_block_head_tail): Adjust all uses.
7589 (ISSUE_POINTS): New macro.
7590 (glat_start, glat_end): New global variables.
7591 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7592 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7593 old_last_basic_block, before_recovery, current_sched_info_var,
7594 rgn_n_insns, luid): New static variables.
7595 (insn_cost1): New function. Move logic from insn_cost to here.
7596 (find_insn_reg_weight1): New function. Move logic from
7597 find_insn_reg_weight to here.
7598 (reemit_notes, move_insn, max_issue): Change signature.
7599 (move_insn1): Removed.
7600 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7601 extend_bb): New static functions to support extension of scheduler's
7603 (generate_recovery_code, process_insn_depend_be_in_spec,
7604 begin_speculative_block, add_to_speculative_block,
7605 init_before_recovery, create_recovery_block, create_check_block_twin,
7606 fix_recovery_deps): New static functions to support
7607 generation of recovery code.
7608 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7609 restore_bb_notes, move_block_after_check, move_succs): New static
7610 functions to support ebb scheduling.
7611 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7612 functions to support handling of register live information.
7613 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7614 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7615 add_jump_dependencies): New static functions.
7616 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7617 consistancy checking.
7618 (debug_spec_status): New function to call from debugger.
7619 (priority): Added code to handle speculation checks.
7620 (rank_for_schedule): Added code to distinguish speculative instructions.
7621 (schedule_insn): Added code to handle speculation checks.
7622 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7623 Fixed to handle ebbs.
7624 (move_insn): Added code to handle ebb scheduling.
7625 (max_issue): Added code to use ISSUE_POINTS of instructions.
7626 (choose_ready): Added code to choose between speculative and
7627 non-speculative instructions.
7628 (schedule_block): Added code to handle ebb scheduling and scheduling of
7629 speculative instructions.
7630 (sched_init): Initialize new variables.
7631 (sched_finish): Free new variables. Print statistics.
7632 (try_ready): Added code to handle speculative instructions.
7633 * lists.c (copy_DEPS_LIST_list): New function.
7634 * sched-deps.c (extend_dependency_caches): New function. Move logic
7635 from create_dependency_caches to here.
7636 (get_dep_weak, ds_merge): Make global.
7637 * genattr.c (main): Code to output prototype for
7638 dfa_clear_single_insn_cache.
7639 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7640 (output_dfa_clean_insn_cache_func): Code to output
7641 dfa_clear_single_insn_cache function.
7642 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7644 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7646 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7647 New static variables.
7648 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7649 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7651 (ebb_sched_info): Initialize new fields.
7652 (get_block_head_tail): Adjust all uses.
7653 (compute_jump_reg_dependencies): Fixed to use glat_start.
7654 (schedule_ebb): Code to remove unreachable last block.
7655 (schedule_ebbs): Added code to update register live information.
7656 * sched-rgn.c (region_sched_info): Initialize new fields.
7657 (get_block_head_tail): Adjust all uses.
7658 (last_was_jump): Removed. Adjust users.
7659 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7660 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7661 Implement new hooks.
7662 (check_dead_notes1): New static function.
7663 (struct region): New fields: dont_calc_deps, has_real_ebb.
7664 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7665 (BB_TO_BLOCK): Fixed to handle EBBs.
7666 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7667 (ebb_head): New static variable.
7668 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7669 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7671 (compute_dom_prob_ps): New assertion.
7672 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7673 global_live_at_start.
7674 (init_ready_list): New assertions.
7675 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7676 (new_ready): Add support for BEGIN_CONTROL speculation.
7677 (schedule_insns): Fixed code that updates register live information
7679 (schedule_region): Fixed to handle EBBs.
7680 (init_regions): Use extend_regions and check_dead_notes1.
7681 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7682 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7683 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7684 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7685 TARGET_SCHED_GEN_CHECK,
7686 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7687 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7688 * doc/invoke.texi (max-sched-insn-conflict-delay,
7689 sched-spec-prob-cutoff): Document.
7691 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7693 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7694 inter_tick, queue_index.
7695 (struct sched_info): Change signature of init_ready_list field.
7696 Adjust all initializations.
7697 (RESOLVED_DEPS): New access macro.
7698 (ready_add): Remove prototype.
7699 (try_ready): Add prototype.
7700 * sched-rgn.c (init_ready_list): Use try_ready.
7701 (schedule_region): Initialize
7702 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7703 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7704 (init_ready_list): Use try_ready.
7705 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7706 * lists.c (remove_list_elem): Remove `static'.
7707 (remove_free_INSN_LIST_elem): New function.
7708 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7709 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7710 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7712 (readyp): New variable.
7713 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7714 change_queue_index, resolve_dep): New static functions.
7715 (try_ready): New function. Adjust callers in sched-rgn.c and
7716 sched-ebb.c to use it instead of ready_add.
7717 (clock_var): Move at the begining of file.
7718 (rank_for_schedule): Fix typo.
7719 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7720 (ready_lastpos): Enforce assertion.
7721 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7723 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7724 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7725 (queue_to_ready): Use free_INSN_LIST_list.
7726 (early_queue_to_ready): Fix typo.
7727 (schedule_block): Init readyp. Move init_ready_list call after the
7728 initialization of clock_var. Fix error in rejecting insn by
7729 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7730 that previously corrected INSN_TICKs. Add code for handling
7732 (set_priorities): Fix typo.
7733 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7734 Clarify comment and code that keeps current_sched_info->next_tail
7737 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7739 * sched-rgn.c (extend_rgns): New static function.
7740 (find_rgns): Use it.
7741 (gather_region_statistics, print_region_statistics): New static
7743 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7744 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7746 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7747 Andrey Belevantsev <abel@ispras.ru>
7749 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7750 * lists.c (unused_deps_list): New variable.
7751 (free_list): Add assertions to verify the proper distinguishing
7752 between INSN_LISTs and DEPS_LISTs.
7753 (find_list_elem, remove_list_elem, remove_list_node): New static
7755 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7756 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7757 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7758 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7760 (free_INSN_LIST_node): Likewise.
7761 * modulo-sched.c (current_sched_info): Initialize flags field.
7762 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7763 * rtl.def (DEPS_LIST): Define.
7764 * rtl.h: Declare new functions from lists.c.
7765 * sched-deps.c (spec_dependency_cache): New static variable.
7766 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7767 (add_dependence): Change return type to void. Move the logic to ...
7768 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7769 (delete_all_dependences): Add comment about forward_dependency_cache.
7770 Handle spec_dependency_cache. Handle DEPS_LISTs.
7771 (fixup_sched_groups): Clarify the change of priority of output
7772 and anti dependencies.
7773 (sched_analyze_2): Adjust add_dependence calls to create data
7774 speculative dependence.
7775 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7776 Adjust all callers. Handle DEPS_LISTS.
7777 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7778 presence of speculation.
7779 (init_dependency_caches, free_dependency_caches):
7780 Handle spec_dependency_cache.
7781 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7782 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7783 New static functions.
7784 (add_or_update_back_dep, add_or_update_back_forw_dep,
7785 add_back_forw_dep, delete_back_forw_dep): New functions.
7786 * sched-int.h (ds_t, dw_t): New typedefs.
7787 (struct sched_info): Add new field flags.
7788 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7789 Prototype new sched-deps.c functions.
7790 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7791 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7792 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7793 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7794 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7795 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7797 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7799 * sched-rgn.c (current_sched_info): Initialize flags field.
7800 (schedule_insns): Initialize current_sched_info before the sched_init
7802 * sched-ebb.c (current_sched_info): Initialize flags field.
7803 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7804 Call add_or_update_back_dep instead of add_dependence.
7805 Create control speculative dependencies.
7806 (schedule_insns): Initialize current_sched_info before the sched_init
7809 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7811 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7813 (sh_fallback_frame_state): Likewise.
7815 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7817 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7818 Do switch on default_use_cxa_atexit.
7819 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7820 * config/darwin-crt3.o: New.
7821 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7822 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7823 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7825 * config/rs6000/t-darwin: Move crt2.o building to here.
7826 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7827 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7830 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7832 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7833 from '! xxx' to '!xxx' for coding-style conformance.
7834 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7835 (EXTRA_CONSTRAINT): Likewise.
7836 * config/vax/vax.md (four unnamed insns): Likewise.
7838 2006-03-15 Paul Brook <paul@codesourcery.com>
7840 * config/arm/arm.c (minipool_pad): New.
7841 (add_minipool_forward_ref): Include pool alignment padding in address
7843 (push_minipool_fix): Set minipool_pad.
7844 (minipool_pad): Ditto.
7846 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7848 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7849 instead of GET_CODE() == MEM and REG_P() instead of
7851 (print_operand_address): Likewise.
7852 (vax_address_cost): Likewise.
7853 (vax_rtx_costs): Likewise.
7854 (vax_notice_update_cc): Likewise.
7855 (vax_output_int_add): Likewise.
7856 (INDEX_REGISTER_P): Likewise.
7857 (BASE_REGISTER_P): Likewise.
7858 (nonindexed_address_p): Likewise.
7859 (vax_mode_dependent_address_p): Likewise.
7860 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7861 (PRINT_OPERAND): Likewise.
7862 * config/vax/vax.md (ashlsi3): Likewise.
7863 (ashlsi3): Likewise.
7864 (some more unnamed insns): Likewise.
7866 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7868 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7869 iterator-style macro.
7870 (mark_control_dependent_edges_necessary): Update the use of
7871 EXECUTE_IF_CONTROL_DEPENDENT.
7873 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7875 * config/sh/predicates.md (cache_address_operand): Special.
7876 (ua_address_operand): Likewise.
7878 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7880 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7882 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7884 2006-03-15 Andreas Schwab <schwab@suse.de>
7886 * gensupport.c (identify_predicable_attribute): Don't free p_false
7887 when it is still in use.
7889 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7891 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7892 the default setting here.
7894 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7896 * tree-pass.h (pass_cfg): Remove.
7897 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7898 * passes.c (pass_cfg): Don't run it.
7900 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7902 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7903 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7905 (stack_regs_mentioned): Update the uses of
7906 stack_regs_mentioned_data. Don't access the array beyond its
7908 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7909 Don't include gt-reg-stack.h.
7911 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7912 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7914 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7917 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7920 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7922 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7924 2006-03-14 Richard Guenther <rguenther@suse.de>
7926 PR tree-optimization/26672
7927 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7930 2006-03-14 Richard Guenther <rguenther@suse.de>
7932 PR tree-optimization/26667
7933 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7934 node for the callees. Always allow inlining if it will shrink
7937 2006-03-14 Richard Guenther <rguenther@suse.de>
7940 * builtins.c (get_pointer_alignment): Prefer alignment
7941 information from decls over that from types.
7943 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7946 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7948 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7950 * config/rs6000/rs6000.opt (mdlmzb): New option.
7951 (msched-prolog, msched-epilog): Use Var not Mask.
7952 * doc/invoke.texi (-mdlmzb): Document.
7953 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7955 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7956 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7958 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7960 PR rtl-optimization/25739
7961 * bt-load.c (augment_live_range): Free tos pointer.
7963 * gensupport.c (identify_predicable_attribute): Free
7965 * gcov.c (create_file_names): Free name pointer.
7967 2006-03-13 Roger Sayle <roger@eyesopen.com>
7970 * stmt.c (emit_case_nodes): Handle the case where the index is a
7971 CONST_INT, where the comparison mode is specified by the index type.
7973 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7975 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7978 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7980 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7981 (*branch_fp_inverted): Likewise.
7983 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7986 * omp-low.c (expand_omp_for_generic): Mark istart0
7987 and iend0 as addressable.
7989 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7991 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7993 2006-03-13 Jeff Law <law@redhat.com>
7995 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7996 virtual operands are interesting.
7997 (vrp_visit_stmt): Corresponding changes.
7999 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8001 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8003 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8004 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8005 * config/bfin/crti.S: Use it instead of __PIC__.
8006 * config/bfin/crtn.S: Likewise.
8008 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8009 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8011 Lose 'G' modifier for call operand.
8012 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8013 recognize 'G' modifier.
8015 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8018 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8019 * stmt.c (expand_case): Likewise.
8021 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8023 PR rtl-optimization/26254
8024 * loop-invariant.c (seq_insns_valid_p): New function.
8025 (move_invariant_reg): Only emit new code if it is valid.
8027 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8029 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8031 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8032 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8033 (commit_one_edge_insertion): Do not look for loop notes.
8035 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8037 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8038 flag_test_coverage out of loop.
8040 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8042 * final.c (shorten_branches): Remove outdated comment, and turn
8043 the if branch that guards it to continue.
8045 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8047 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8048 * cfgloop.h (struct loop): Remove unused fields.
8050 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8052 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8053 (-dL, -fdump-rtl-loop2): Update the dump file names
8055 * doc/invoke.texi: Update dump file names.
8057 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8059 * predict.c (estimate_probability): Remove.
8060 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8061 * basic-block.h (estimate_probability): Remove prototype.
8062 * passes.c (finish_optimization_passes): Dump branch prediction or
8063 profiling heuristics to the .profile tree dump.
8064 (init_optimization_passes): Unqueue pass_branch_prob.
8066 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8068 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8070 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8071 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8073 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8075 * function.h (frame_offset_overflow): Declare.
8076 * function.c (frame_offset_overflow): New function.
8077 (assign_stack_local_1): Call it to detect that the offset overflows.
8078 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8080 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8082 * config/sh/sh.c: Include alloc-pool.h.
8083 (label_ref_list_pool): New alloc pool.
8084 (label_ref_list_t): New type for lists of labels.
8085 (struct pool_node): Make wend a label_ref_list_t.
8086 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8088 (dump_table): Likewise.
8089 (sh_reorg): Set up the alloc pool before using add_constant and
8090 dump_table, and destroy it when finishing.
8092 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8094 * config/mips/mips.c: Remove redundant comment.
8096 2006-03-10 Jason Merrill <jason@redhat.com>
8099 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8100 the target was declared 'register'.
8102 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8104 * genpreds.c (write_insn_constraint_len): Change definition of
8105 insn_constraint_len to return size_t to match the declaration.
8107 2006-03-10 DJ Delorie <dj@redhat.com>
8109 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8111 (m32c_expand_insv): Fix test for an AND mask.
8113 2006-03-10 Richard Guenther <rguenther@suse.de>
8116 * builtins.c (get_pointer_alignment): Handle component
8117 references for field alignment.
8119 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8121 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8122 when building with libgloss.
8123 (sh*elf): Implement --without-fp option.
8124 (sh64-superh-linux*): Don't multilib.
8126 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8128 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8130 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8132 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8133 Set it when one of the replacement functions returned true.
8134 Return TODO_cleanup_cfg if cfgchanged is true.
8135 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8137 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8139 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8140 instead of gen_lowpart.
8142 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8144 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8146 (mips_output_order_conditional_branch): Declare.
8147 * config/mips/mips.h (MIPS_BRANCH): New macro.
8148 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8149 for the comparison. Use gen_condjump.
8150 (mips_output_conditional_branch): Rework interface to take the
8151 asm templates for a direct branch and the inverse of a direct branch.
8152 (mips_output_order_conditional_branch): New function.
8153 (mips_builtin_branch_and_move): New function.
8154 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8155 branch condition. Use gen_single_cc as the condition for
8156 __builtin_mips_upper_* or __builtin_mips_lower_*.
8157 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8158 Use VOIDmode for the branch condition.
8159 * config/mips/predicates.md (order_operator): New predicate.
8160 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8161 (branch_fp): Rename to...
8162 (*branch_fp): ...this. Remove mode from comparison operator.
8163 Use new mips_output_conditional_branch interface.
8164 (branch_fp_inverted): Rename to...
8165 (*branch_fp_inverted): ...this and update as for *branch_fp.
8166 (*branch_zero<mode>): Rename to...
8167 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8168 Use mips_output_order_conditional_branch. Only accept ordered
8170 (*branch_zero<mode>_inverted): Rename to...
8171 (*branch_order<mode>_inverted): ...this and update as for
8172 *branch_order<mode>.
8173 (*branch_equality<mode>): Accept zero as the second operand to
8174 the equality operator. Use the new mips_output_conditional_branch
8176 (*branch_equality<mode>_inverted): Likewise.
8177 (condjump): New expander.
8178 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8180 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8181 (bc1any2t, bc1any2f): Likewise.
8182 (single_cc): New expander.
8183 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8185 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8187 * doc/md.texi: Update documentation of MIPS constraints.
8188 * config/mips/constraints.md: New file.
8189 * config/mips/mips.md: Include it.
8190 * config/mips/mips.c (mips_char_to_class): Delete.
8191 (override_options): Don't initialize mips_char_to_class.
8192 * config/mips/mips.h (mips_char_to_class): Delete.
8193 (REG_CLASS_FROM_LETTER): Delete.
8194 (CONST_OK_FOR_LETTER_P): Delete.
8195 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8196 (EXTRA_CONSTRAINT_Y): Delete.
8197 (EXTRA_CONSTRAINT_STR): Delete.
8198 (CONSTRAINT_LEN): Delete.
8199 (EXTRA_MEMORY_CONSTRAINT): Delete.
8201 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8203 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8204 original fn's eh regions.
8206 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8208 * fold-const.c (build_range_check): Make sure to use a valid type to
8209 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8212 (range_predecessor): New static function.
8213 (range_successor): Likewise.
8214 (merge_ranges): Use them to compute predecessors and successors of
8217 2006-03-09 Roger Sayle <roger@eyesopen.com>
8220 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8221 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8223 2006-03-08 DJ Delorie <dj@redhat.com>
8225 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8226 (addpsi3): Expand to include memory operands. Remove
8227 reload-specific splits.
8228 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8229 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8230 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8231 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8232 (shift1_qi, shift1_hi, insv): New.
8233 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8234 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8235 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8237 * config/m32c/m32c-protos.h: Update as needed.
8238 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8239 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8240 Fail for unrecognized R* constraints.
8241 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8242 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8243 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8245 (m32c_init_libfuncs): New.
8246 (m32c_legitimate_address_p): Add debug wrapper.
8247 (m32c_rtx_costs): New.
8248 (m32c_address_cost): New.
8249 (conversions): Add 'B' prefix.
8250 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8251 operands, or word regnames for QI operands. 'B' prints bit
8253 (m32c_expand_setmemhi): New.
8254 (m32c_expand_movmemhi): New.
8255 (m32c_expand_movstr): New.
8256 (m32c_expand_cmpstr): New.
8257 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8258 (m32c_expand_neg_mulpsi3): Handle non-ints.
8259 (m32c_cmp_flg_0): New.
8260 (m32c_expand_movcc): New.
8261 (m32c_expand_insv): New.
8262 (m32c_scc_pattern): New.
8263 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8264 a0/a1 out of SIregs.
8265 (STORE_FLAG_VALUE): New.
8266 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8269 * config/m32c/mov.md: Make constraints more liberal.
8270 (zero_extendqihi2): Optimize r0/r1 case.
8271 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8272 * config/m32c/predicates.md (m32c_any_operand): New.
8273 (m32c_nonimmediate_operand): New.
8274 (m32c_hl_operand): New.
8275 (m32c_r3_operand): New.
8278 (memsym_operand): New.
8279 (memimmed_operand): New.
8280 (a_qi_operand): New.
8281 (m32c_eqne_operator): New.
8282 (m32c_1bit8_operand): New.
8283 (m32c_1bit16_operand): New.
8284 (m32c_1mask8_operand): New.
8285 (m32c_1mask16_operand): New.
8286 * config/m32c/blkmov.md: New file.
8287 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8289 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8291 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8292 unsigned to fix signed/unsigned comparison issue in
8293 DWARF2_FRAME_REG_OUT.
8294 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8295 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8297 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8298 of ptr into the ENABLE_CHECKING section.
8300 2006-03-08 Jeff Law <law@redhat.com>
8302 * tree-vrp.c (infer_value_range): Only count pointer uses
8303 and dereferences if -fdelete-null-pointer-checks is enabled.
8305 * tree-vrp.c (find_assert_locations): Infer value ranges for
8306 single use pointers, but do not create ASSERT_EXPRs for them.
8307 When a non-null range is inferred for a pointer, backwards
8308 propagate that range to other equivalent pointers through the
8311 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8314 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8315 language hook targets.
8316 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8317 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8318 if language hook targets were missing.
8320 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8322 * tree-ssa-opfinalize.h: Removed.
8323 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8325 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8326 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8327 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8328 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8329 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8330 finalize_ssa_v_must_def_ops): New.
8332 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8334 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8337 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8339 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8341 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8342 addresses with offsets; reorganize.
8344 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8345 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8346 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8348 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8351 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8353 2006-03-08 Ben Elliston <bje@au.ibm.com>
8355 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8357 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8360 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8363 2006-03-07 Richard Guenther <rguenther@suse.de>
8365 PR tree-optimization/26587
8366 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8368 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8370 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8372 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8374 * hooks.c (hook_bool_mode_rtx_true): New function.
8375 * hooks.h (hook_bool_mode_rtx_true): Declare.
8376 * toplev.c (compile_file): Call output_shared_constant_pool.
8377 * varasm.c (shared_constant_pool): New variable.
8378 (assemble_start_function, assemble_end_function): Remove arguments
8379 from call to output_constant_pool.
8380 (create_constant_pool): New function, split out from...
8381 (init_varasm_status): ...here.
8382 (force_const_mem): Choose between the shared and per-function constant
8383 pools. Set current_function_uses_const_pool when reusing old entries
8384 as well as when creating new ones.
8385 (mark_constant): Ignore data argument.
8386 (mark_constants): Remove pool argument.
8387 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8388 to decide whether the function uses a constant pool.
8389 (output_constant_pool_contents): New function, split out from...
8390 (output_constant_pool): ...here.
8391 (output_shared_constant_pool): New function.
8392 (init_varasm_once): Initialize shared_constant_pool.
8393 * output.h (output_constant_pool): Delete.
8394 (output_shared_constant_pool): Declare.
8395 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8396 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8398 2006-03-06 Nick Clifton <nickc@redhat.com>
8400 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8401 flag_strength_reduce.
8403 2006-03-06 Ben Elliston <bje@au.ibm.com>
8405 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8406 x86_64-*-linux* configurations.
8408 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8409 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8411 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8413 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8415 * basic-block.h: Remove the extern for
8416 rediscover_loops_after_threading.
8418 * cfgloop.c (cancel_loop): Make it static.
8419 * cfgloop.h: Remove the prototype for cancel_loop.
8421 * flow.c (recompute_reg_usage): Make it static.
8422 * rtl.h: Remove the prototype for recompute_reg_usage.
8424 * function.c (use_return_register): Make it static.
8425 * function.h: Remove the prototype.
8427 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8429 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8431 * recog.h: Remove the prototype for
8432 validate_change_maybe_volatile.
8434 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8436 * rtlanal.c (replace_reg): Remove.
8437 * rtl.h: Remove the prototype for replace_reg.
8439 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8441 * regclass.c (reg_scan_update): Remove.
8442 (reg_scan_mark_refs): Remove the last argument.
8443 * rtl.h: Remove the prototype for reg_scan_update.
8445 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8447 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8448 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8449 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8450 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8451 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8452 loop-invariant.c, omp-low.c, opts.c, passes.c,
8453 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8454 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8455 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8456 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8457 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8458 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8460 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8462 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8463 * dwarf2out.h: Remove the prototype for
8464 dwarf2out_add_library_unit_info.
8466 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8468 * tree.c (add_var_to_bind_expr): Remove.
8469 * tree.h: Remove the prototype for add_var_to_bind_expr.
8471 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8473 * regclass.c (n_non_fixed_regs): Remove.
8474 (init_reg_sets_1, globalize_reg): Remove all uses of
8476 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8478 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8480 * rtlanal.c (insns_safe_to_move_p): Remove.
8481 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8483 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8485 * expmed.c (expand_mult_add): Remove.
8486 * expr.h: Remove the prototype for expand_mult_add.
8488 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8490 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8491 and REG_SAVED_VAL_EXP constants.
8492 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8493 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8494 Handle regs stored by value.
8495 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8496 (execute_cfa_program): Handle DW_CFA_val_offset,
8497 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8498 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8499 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8500 (uw_install_context_1): Handle target regs stored by value.
8502 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8504 * tree-sra.c (tree_sra): Return todoflags;
8505 (generate_one_element): Set TODO_update_smt_usage if needed.
8506 (pass_sra): Remove TODO_update_smt_usage.
8507 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8509 (tree_ssa_forward_propagate_single_use_vars): Return
8510 TODO_update_smt_usage if we need to update SMT usage.
8511 (pass_forwprop): Remove TODO_update_smt_usage.
8513 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8515 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8516 (correct_use_link): Remove reference to get_stmt_operands.
8517 (update_stmt_operands): Likewise.
8518 (get_modify_expr_operands): New function factored out of
8519 parse_ssa_operands and get_expr_operands.
8520 Try to create V_MUST_DEFs for LHS by default.
8521 (get_expr_operands) <case MODIFY_EXPR>: Call
8522 get_modify_expr_operands.
8523 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8524 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8525 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8526 get_modify_expr_operands.
8528 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8530 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8531 * tree-flow.h: Remove the prototype for
8532 referenced_var_lookup_if_exists.
8534 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8536 PR rtl-optimization/26345
8538 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8540 2006-03-03 Roger Sayle <roger@eyesopen.com>
8542 PR tree-optimization/26524
8543 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8544 fold_convert to create a constant of the appropriate type.
8546 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8548 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8549 SYMBOL_REF_IN_BLOCK_P.
8550 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8551 of SYMBOL_FLAG_IN_BLOCK.
8552 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8553 instead of SYMBOL_REF_IN_BLOCK_P.
8554 * explow.c (use_anchored_address): Likewise.
8555 * rtl.c (rtx_size): Likewise.
8556 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8557 instead of SYMBOL_FLAG_IN_BLOCK.
8558 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8559 SYMBOL_REF_IN_BLOCK_P.
8560 (assemble_variable): Likewise.
8561 (output_constant_def_contents): Likewise.
8562 (output_constant_pool): Likewise.
8563 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8564 instead of SYMBOL_FLAG_IN_BLOCK.
8565 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8566 SYMBOL_REF_IN_BLOCK_P.
8567 (SYMBOL_REF_BLOCK): Likewise.
8568 (SYMBOL_REF_OFFSET): Likewise.
8569 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8570 SYMBOL_REF_IN_BLOCK_P.
8571 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8572 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8573 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8574 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8576 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8578 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8580 2006-03-02 Roger Sayle <roger@eyesopen.com>
8582 * simplify-rtx.c (simplify_unary_operation): When simplifying
8583 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8584 that we perform the right shift in the appropriate mode, and
8585 then extend or truncate the result to requested mode.
8587 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8589 * gengtype.c (main): Handle double_int type.
8590 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8591 * double-int.c: New file.
8592 * double-int.h: New file.
8593 * system.h: Include doubleint.h.
8594 * Makefile.in (SYSTEM_H): Include double-int.h.
8595 (double-int.o): Add.
8597 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8600 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8603 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8605 * tree-vrp.c (remove_range_assertions): Do not update statements
8608 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8610 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8612 * gcse.c (rest_of_handle_gcse): Ditto.
8613 * except.c (gate_handle_eh): Ditto.
8614 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8615 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8617 2006-03-02 Eric Christopher <echristo@apple.com>
8619 * config/i386/i386.c (machopic_output_stub): Add indirection to
8622 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8626 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8628 Sun Niagara specific optimizations.
8629 * config.gcc: Recognize niagara as target.
8630 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8631 (TARGET_CPU_niagara): Define.
8632 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8633 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8634 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8635 (ASM_CPU_SPEC): Likewise.
8636 (PROCESSOR_NIAGARA): New enum entry.
8637 (REGISTER_MOVE_COST): Handle Niagara.
8638 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8639 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8640 (sparc_override_options): Recognize "niagara", set appropriate
8641 default MASK_* values for it, and align functions to 32-bytes
8642 by default just like ULTRASPARC/ULTRASPARC3.
8643 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8644 (sparc64_initialize_trampoline): Likewise.
8645 (sparc_use_sched_lookahead): Use zero for niagara.
8646 (sparc_issue_rate): Use one for niagara.
8647 * config/sparc/niagara.md: New file.
8648 * config/sparc/sparc.md: Include it.
8649 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8650 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8651 when default cpu is niagara.
8652 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8653 (ASM_CPU_SPEC): Likewise.
8654 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8655 when default cpu is niagara.
8656 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8657 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8658 just like v9/ultrasparc/ultrasparc3.
8659 * doc/invoke.texi: Add documentation for "niagara" and improve
8660 existing documentation for ultrasparc variants.
8662 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8664 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8666 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8668 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8669 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8670 and say that only one is needed.
8671 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8672 * target.h (have_switchable_bss_sections): New hook.
8673 * explow.c (use_anchored_address): Check that the symbol is in a block.
8674 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8675 (bss_noswitch_section): New variables.
8676 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8677 (get_noswitch_section): New function.
8678 (get_block_for_section): Allow SECT to be null.
8679 (unlikely_text_section_p): Use SECTION_STYLE.
8680 (bss_initializer_p): New function.
8681 (get_variable_section): Move earlier in file. Take a new argument,
8682 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8683 Return one of the new *_sections in such cases.
8684 (get_block_for_decl): New function, extracting some logic from
8685 use_blocks_for_decl_p.
8686 (change_symbol_section): Remove in favor of...
8687 (change_symbol_block): ...this new function.
8688 (use_blocks_for_decl_p): Remove checks now performed by
8690 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8691 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8692 (emit_local, emit_bss, emit_common): ...these new functions.
8693 Return true if the alignment was honored.
8694 (emit_tls_common): New function.
8695 (asm_emit_uninitialised): Delete.
8696 (assemble_variable_noswitch): New function, split out from...
8697 (assemble_variable): ...here. Don't make decisions about common
8698 variables here. Globalize all public decls that go into non-common
8699 sections. Check whether SYMBOL_REF_BLOCK is null.
8700 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8701 (output_constant_pool): Likewise.
8702 (init_varasm_once): Initialize the new section variables.
8703 (have_global_bss_p): New function.
8704 (categorize_decl_for_section): Use bss_initializer_p.
8705 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8706 (place_block_symbol): Assert that the symbol must be in a block.
8707 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8708 (TARGET_INITIALIZER): Include it.
8709 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8710 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8711 (SECTION_MACH_DEP): Bump by two.
8712 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8713 (unnamed_section): Mention SECTION_UNNAMED in comment.
8714 (named_section): Likewise SECTION_NAMED.
8715 (noswitch_section_callback): New type.
8716 (noswitch_section): New structure.
8717 (section): Add a noswitch_section alternative.
8718 (SECTION_STYLE): New macro.
8719 (tls_comm_section, comm_section, lcomm_section): Declare.
8720 (bss_noswitch_section, have_global_bss_p): Declare.
8721 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8722 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8724 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8725 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8728 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8730 * tree-vrp.c (execute_vrp): Return value.
8731 * regrename.c (rest_of_handle_regrename): Ditto.
8732 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8733 * tree-complex.c (tree_lower_complex): Ditto.
8734 (tree_lower_complex_O0): Ditto.
8735 * tracer.c (rest_of_handle_tracer): Ditto.
8736 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8737 * postreload.c (rest_of_handle_postreload): Ditto.
8738 * tree-tailcall.c (execute_tail_recursion): Ditto.
8739 (execute_tail_calls): Ditto.
8740 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8741 * tree.h (init_function_for_compilation): Ditto.
8742 * ipa-cp.c (ipcp_driver): Ditto.
8743 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8744 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8745 * final.c (compute_alignments): Ditto.
8746 (rest_of_handle_final): Ditto.
8747 (rest_of_handle_shorten_branches): Ditto.
8748 (rest_of_clean_state): Ditto.
8749 * omp-low.c (execute_expand_omp): Ditto.
8750 (execute_lower_omp): Ditto.
8751 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8752 * ipa-reference.c (static_execute): Ditto.
8753 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8754 * reorg.c (rest_of_handle_delay_slots): Ditto.
8755 (rest_of_handle_machine_reorg): Ditto.
8756 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8757 * flow.c (recompute_reg_usage): Ditto.
8758 (rest_of_handle_remove_death_notes): Ditto.
8759 (rest_of_handle_life): Ditto.
8760 (rest_of_handle_flow2): Ditto.
8761 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8762 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8763 (do_ssa_store_ccp): Ditto.
8764 (execute_fold_all_builtins): Ditto.
8765 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8766 * modulo-sched.c (rest_of_handle_sms): Ditto.
8767 * ipa-pure-const.c (static_execute): Ditto.
8768 * cse.c (rest_of_handle_cse): Ditto.
8769 (rest_of_handle_cse2): Ditto.
8770 * web.c (rest_of_handle_web): Ditto.
8771 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8772 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8773 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8774 * tree-nrv.c (tree_nrv): Ditto.
8775 (execute_return_slot_opt): Ditto.
8776 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8777 (create_structure_vars): Ditto.
8778 * loop-init.c (rtl_loop_init): Ditto.
8779 (rtl_loop_done): Ditto.
8780 (rtl_move_loop_invariants): Ditto.
8781 (rtl_unswitch): Ditto.
8782 (rtl_unroll_and_peel_loops): Ditto.
8783 (rtl_doloop): Ditto.
8784 * gimple-low.c (lower_function_body): Ditto.
8785 (mark_used_blocks): Ditto.
8786 * tree-ssa-sink.c (execute_sink_code): Ditto.
8787 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8788 (cgraph_early_inlining): Ditto.
8789 * global.c (rest_of_handle_global_alloc): Ditto.
8790 * jump.c (cleanup_barriers): Ditto.
8791 (purge_line_number_notes): Ditto.
8792 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8793 (rest_of_handle_if_after_reload): Ditto.
8794 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8795 (tree_ssa_loop_im): Ditto.
8796 (tree_ssa_loop_unswitch): Ditto.
8797 (tree_vectorize): Ditto.
8798 (tree_linear_transform): Ditto.
8799 (tree_ssa_loop_ivcanon): Ditto.
8800 (tree_ssa_empty_loop): Ditto.
8801 (tree_ssa_loop_bounds): Ditto.
8802 (tree_complete_unroll): Ditto.
8803 (tree_ssa_loop_prefetch): Ditto.
8804 (tree_ssa_loop_ivopts): Ditto.
8805 (tree_ssa_loop_done): Ditto.
8806 * predict.c (tree_estimate_probability): Ditto.
8807 * recog.c (split_all_insns_noflow): Ditto.
8808 (rest_of_handle_peephole2): Ditto.
8809 (rest_of_handle_split_all_insns): Ditto.
8810 * tree-eh.c (lower_eh_constructs): Ditto.
8811 * regmove.c (rest_of_handle_regmove): Ditto.
8812 (rest_of_handle_stack_adjustments): Ditto.
8813 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8814 * function.c (instantiate_virtual_regs): Ditto.
8815 (init_function_for_compilation): Ditto.
8816 (rest_of_handle_check_leaf_regs): Ditto.
8817 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8818 (rest_of_handle_gcse): Ditto.
8819 * ipa-type-escape.c (type_escape_execute): Ditto.
8820 * alias.c (rest_of_handle_cfg): Ditto.
8821 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8822 * profile.c (rest_of_handle_branch_prob): Ditto.
8823 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8824 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8825 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8826 * tree-dfa.c (find_referenced_vars): Ditto.
8827 * except.c (set_nothrow_function_flags): Ditto.
8828 (convert_to_eh_region_ranges): Ditto.
8829 (rest_of_handle_eh): Ditto.
8830 * emit-rtl.c (unshare_all_rtl): Ditto.
8831 (remove_unnecessary_notes): Ditto.
8832 * except.h (set_nothrow_function_flags): Ditto.
8833 (convert_to_eh_region_ranges): Ditto.
8834 * cfgexpand.c (tree_expand_cfg): Ditto.
8835 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8836 * tree-ssa-pre.c (do_pre): Ditto.
8837 (execute_fre): Ditto.
8838 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8839 (rest_of_handle_jump2): Ditto.
8840 * tree-sra.c (tree_sra): Ditto.
8841 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8842 (execute_mudflap_function_decls): Ditto.
8843 * tree-ssa-copy.c (do_copy_prop): Ditto.
8844 (do_store_copy_prop): Ditto.
8845 * ipa-prop.h (ipcp_driver): Ditto.
8846 * cfglayout.c (insn_locators_initialize): Ditto.
8847 * tree-ssa-forwprop.c
8848 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8849 * cfglayout.h (insn_locators_initialize): Ditto.
8850 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8851 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8852 (execute_late_warn_uninitialized): Ditto.
8853 * rtl.h (cleanup_barriers): Ditto.
8854 (split_all_insns_noflow): Ditto.
8855 (purge_line_number_notes): Ditto.
8856 (unshare_all_rtl): Ditto.
8857 (remove_unnecessary_notes): Ditto.
8858 (recompute_reg_usage): Ditto.
8859 (variable_tracking_main): Ditto.
8860 * integrate.c (emit_initial_value_sets): Ditto.
8861 * integrate.h (emit_initial_value_sets): Ditto.
8862 * tree-optimize.c (execute_free_datastructures): Ditto
8863 (execute_free_cfg_annotations): Ditto.
8864 (execute_fixup_cfg): Ditto.
8865 (execute_cleanup_cfg_pre_ipa): Ditto.
8866 (execute_cleanup_cfg_post_optimizing): Ditto.
8867 (execute_init_datastructures): Ditto.
8868 * tree-object-size.c (compute_object_sizes): Ditto.
8869 * combine.c (rest_of_handle_combine): Ditto.
8870 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8871 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8872 (rest_of_handle_reorder_blocks): Ditto.
8873 (rest_of_handle_partition_blocks): Ditto.
8874 * var-tracking.c (variable_tracking_main): Ditto.
8875 * tree-profile.c (tree_profiling): Ditto.
8876 * tree-vect-generic.c (expand_vector_operations): Ditto.
8877 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8878 * sched-rgn.c (rest_of_handle_sched): Ditto.
8879 (rest_of_handle_sched2): Ditto.
8880 * basic-block.h (free_bb_insn): Ditto.
8881 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8882 * tree-cfg.c (execute_build_cfg): Ditto.
8883 (remove_useless_stmts): Ditto.
8884 (split_critical_edges): Ditto.
8885 (execute_warn_function_return): Ditto.
8886 (execute_warn_function_noreturn): Ditto.
8887 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8888 * cfgrtl.c (free_bb_for_insn): Ditto.
8889 * passes.c (execute_one_pass): Run additional
8890 todos returned by execute function.
8891 * tree-pass.h (struct tree_opt_pass): Make execute
8894 2006-03-02 Richard Guenther <rguenther@suse.de>
8896 * tree-ssa-alias.c (find_used_portions): Consider taking
8897 the address as making the variable not write-only.
8899 2006-03-02 Nick Clifton <nickc@redhat.com>
8901 * config.gcc (default_use_cxa_atexit): Extend the description of
8902 this configure variable. Set its default value to "yes" for
8903 Linux, NetBSD and ELF targets on the assumption that they will
8904 use C libraries with the __cxa_atexit function.
8906 2006-03-02 Ben Elliston <bje@au.ibm.com>
8908 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8909 parameter as unused to suppress a build warning.
8911 2006-03-02 Ben Elliston <bje@au.ibm.com>
8913 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8916 2006-03-01 Roger Sayle <roger@eyesopen.com>
8919 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8920 declared name, the weak reference name, and the typeof name.
8921 (__gthrw): Avoid expanding the declared name suffix.
8922 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8924 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8926 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8928 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8929 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8930 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8931 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8932 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8933 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8934 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8935 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8936 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8937 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8938 (DW_END_default, DW_END_big, DW_END_little): New.
8939 (DW_END_lo_user, DW_END_hi_user): Define.
8940 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8941 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8942 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8945 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8947 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8949 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8951 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8953 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8955 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8956 to 'symbol_mem_tag'.
8958 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8961 2006-03-01 Roger Sayle <roger@eyesopen.com>
8963 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8965 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8968 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8969 MACHO_DYNAMIC_NO_PIC_P.
8970 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8972 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8975 * config/darwin-protos.h (darwin_asm_output_anchor):
8977 * config/darwin-sections.def (cstring_section):
8978 Add SECTION_MERGE to the flags.
8979 (literal4_section): Likewise.
8980 (literal8_section): Likewise.
8981 (objc_selector_refs_section): Likewise.
8982 (objc_cls_refs_section): Likewise.
8983 * config/darwin.c (darwin_asm_output_anchor): New
8985 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8987 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8989 Fix PR tree-optimization/26443
8990 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8991 to todo and PROP_tmt_usage to properties_destroyed.
8992 * tree-ssa-ccp.c (pass_ccp): Ditto.
8993 (pass_store_ccp): Ditto.
8994 * tree-ssa-dom.c (pass_dominator): Ditto.
8996 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8998 * tree-ssa-operands.c: Cleanup whitespace.
8999 (get_asm_expr_operands): Move before first invocation.
9000 (get_indirect_ref_operands): Likewise.
9001 (get_tmr_operands): Likewise.
9002 (get_call_expr_operands): Likewise.
9003 (append_def): Likewise.
9004 (append_use): Likewise.
9005 (append_v_may_def): Likewise.
9006 (append_v_must_def): Likewise.
9007 (add_call_clobber_ops): Likewise.
9008 (add_call_read_ops): Likewise.
9009 (add_stmt_operand): Likewise.
9010 (add_virtual_operand): Likewise.
9011 (build_ssa_operands): Likewise.
9013 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9018 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9019 with a call expr to ...
9020 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9022 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9024 * tree-vrp.c (extract_range_from_assert): Remove special
9025 handling for types with super-types.
9027 2006-03-01 Ben Elliston <bje@au.ibm.com>
9029 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9030 and powerpc64-*-linux* configurations.
9031 * config/t-dfprules: New file.
9033 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9034 Compile dfp-bit.c from the source directory using -DWIDTH and
9035 $DFP_CFLAGS to control the compilation of that file, rather than
9036 generating width-specific versions in the build directory.
9037 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9038 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9040 2006-02-28 Zack Weinberg <zackw@panix.com>
9042 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9045 2006-02-28 Eric Christopher <echristo@apple.com>
9047 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9048 Set up IN_LIBGCC definition of TARGET_64BIT.
9049 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9051 2006-02-28 Roger Sayle <roger@eyesopen.com>
9054 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9055 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9056 cases via the construction of "expr != 0".
9058 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9060 * alias.c (alias_invariant, alias_invariant_size): Remove.
9061 (record_base_value): Remove.
9062 (memrefs_conflict_p): Don't look at alias_invariant.
9063 (end_alias_analysis): Don't free it.
9064 * alias.h (record_base_value): Remove prototype.
9066 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9067 Adam Nemet <anemet@caviumnetworks.com>
9069 * rtl.h (truncated_to_mode): Declare it.
9070 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9071 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9072 (RTL_HOOKS_INITIALIZER): Include it.
9073 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9074 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9075 reg_truncated_to_mode.
9076 * rtlanal.c (truncated_to_mode): Define it.
9077 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9079 2006-02-28 Jeff Law <law@redhat.com>
9081 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9082 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9083 the range allowed by TYPE_PRECISION.
9085 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9087 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9089 PR tree-optimization/26419
9090 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9093 2006-02-27 Zack Weinberg <zackw@panix.com>
9095 * doc/md.texi: Fix typo in previous change.
9097 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9101 2006-02-27 Zack Weinberg <zackw@panix.com>
9103 * rtl.def (define_constraint, define_register_constraint)
9104 (define_memory_constraint, define_address_constraint): New MD forms.
9105 * gensupport.c (process_rtx): Put define_constraint etc on the
9107 * genpreds.c (process_define_predicate): Adjust comment. Validate
9108 the name, and call validate_exp to validate the expression.
9109 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9110 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9111 all callers changed.
9112 (validate_exp, needs_variable, struct constraint_data)
9113 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9114 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9115 (const_dbl_constraints, constraint_max_namelen)
9116 (have_register_constraints, have_memory_constraints)
9117 (have_address_constraints, have_address_constraints)
9118 (have_extra_constraints, have_const_int_constraints)
9119 (have_const_dbl_constraints, mangle, add_constraint)
9120 (process_define_constraint, process_define_register_constraint)
9121 (write_enum_constraint_num, write_lookup_constraint)
9122 (write_insn_constraint_len, write_regclass_for_constraint)
9123 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9124 (write_insn_extra_memory_constraint)
9125 (write_insn_extra_address_constraint)
9126 (write_satisfies_constraint_fns): New.
9127 (write_tm_preds_h): If we have new-style constraint definitions,
9128 prototype the functions generated from them, and define the
9129 old constraint interface (still used by generic code) in terms of
9131 (write_insn_preds_c): If we have new-style constraint definitions,
9132 generate all relevant functions from those definitions.
9133 (main): Handle define_constraint etc.
9134 * genoutput.c (struct constraint_data, indep_constraints)
9135 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9136 (mdep_constraint_len): New data structures and functions, defined
9137 #ifdef USE_MD_CONSTRAINTS.
9138 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9139 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9140 use new logic to validate operand constraints against constraint
9142 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9144 * defaults.h: If none of the old-style constraint macros are
9145 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9146 old-style macros; and poison REG_CLASS_FROM_LETTER,
9147 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9149 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9150 * doc/md.texi: Document new constraint-definition mechanism and the
9151 C interface it provides. Remove references to old mechanism
9152 elsewhere in the document.
9153 (Machine Constraints): Use pathnames relative to gcc directory,
9154 i.e. config/ARCH/FILE. Change i386 section to refer to
9155 config/i386/predicates.md; update that section to match docstrings.
9156 * doc/tm.texi: Move all documentation of the old constraint-
9157 definition macros to their own section, clearly mark as obsolete.
9159 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9160 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9162 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9163 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9164 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9166 (splits and peepholes): Use satisfies_constraint_*.
9167 * config/i386/i386.c (memory_address_length)
9168 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9170 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9172 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9173 scalar operation to be put back into the loop.
9175 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9178 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9179 (extract_cie_info): Handle S flag in augmentation string.
9180 (execute_cfa_program): If context->signal_frame, execute also
9181 fs->pc == context->ra instructions.
9182 (uw_frame_state_for): If context->signal_frame, don't subtract one
9183 from context->ra to find FDE.
9184 (uw_update_context_1): Set context->signal_frame to
9186 (_Unwind_GetIPInfo): New function.
9187 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9188 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9190 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9191 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9192 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9193 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9194 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9195 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9196 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9197 x86_64_fallback_frame_state): Set fs->signal_frame.
9198 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9199 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9200 (frob_update_context): Likewise. Workaround missing S flag in
9201 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9202 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9203 Remove the psw_addr + 1 hack.
9205 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9207 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9208 with aggregates here.
9209 (find_func_aliases): Remove code for &<aggregate> from here.
9211 2006-02-26 Roger Sayle <roger@eyesopen.com>
9213 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9214 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9215 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9218 2006-02-26 Roger Sayle <roger@eyesopen.com>
9221 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9223 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9225 * opts.c (decode_options): Do not handle flag_strength_reduce.
9226 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9227 and OPT_fstrength_reduce.
9228 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9229 flag_prefetch_loop_arrays for being nonzero.
9230 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9232 (fprefetch-loop-arrays-rtl): Removed.
9233 (flag_prefetch_loop_arrays): Do not specify the value.
9235 * doc/passes.texi: Update documentation of loop optimizer
9237 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9238 -frerun-loop-opt): Remove.
9240 2006-02-26 Richard Guenther <rguenther@suse.de>
9242 PR tree-optimization/26421
9243 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9244 in function calls that are ADDR_EXPRs as using the whole structure.
9246 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9248 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9249 * tree-pass.h (pass_loop_optimize): Remove.
9250 * passes.c (pass_loop_optimize): Never run it.
9251 * toplev.c (backend_init): Don't call init_loop.
9252 * opts.c (flag_loop_optimize_set): Remove.
9253 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9254 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9255 the old RTL loop optimizer when profiling enabled.
9256 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9257 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9258 pre-headers for the sake of the old RTL loop optimizer.
9259 * Makefile.in: Remove all references to loop.o.
9261 * doc/invoke.texi: Remove all references to -floop-optimize
9262 and -frerun-loop-opt.
9264 2006-02-26 Zack Weinberg <zackw@panix.com>
9266 * doc/md.texi (Machine Constraints): Refer to all files with paths
9267 relative to gcc directory (i.e. config/CPU/file). Add missing
9268 @table @code ... @end table to M32C subsection.
9270 2006-02-26 Roger Sayle <roger@eyesopen.com>
9272 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9274 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9276 2006-02-26 Roger Sayle <roger@eyesopen.com>
9277 James A. Morrison <phython@gcc.gnu.org>
9280 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9281 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9282 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9283 signedness of the shift operation.
9285 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9287 PR tree-optimization/26359
9288 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9290 2006-02-25 Roger Sayle <roger@eyesopen.com>
9292 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9293 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9294 as X == 0, and some symmetry related transformations.
9295 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9297 2006-02-25 Roger Sayle <roger@eyesopen.com>
9300 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9301 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9302 symmetry related transformations. Fold (X^C1) == C2 as
9305 2006-02-25 Juergen Weigert <jw@suse.de>
9306 Richard Guenther <rguenther@suse.de>
9308 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9310 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9312 * combine.c (gen_lowpart_or_truncate): Call
9313 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9315 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9317 * doc/invoke.texi: Move -fopenmp description to "Options for
9319 Remove reference to -lgomp.
9321 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9323 * doc/install.texi: Require GNU tar version 1.14.
9325 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9327 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9328 * doc/invoke.texi (C++ Dialect Options): Document
9329 -fno-use-cxa-get-exception-ptr.
9330 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9331 * configure: Regenerate.
9332 * c.opt (fuse-cxa-get-exception-ptr): New.
9333 * c-opts.c (c_common_handle_option): Handle
9334 OPT_fuse_cxa_get_exception_ptr.
9335 * c-common.c (flag_use_cxa_atexit): Update documentation.
9336 (flag_use_cxa_get_exception_ptr): New.
9337 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9338 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9340 (C_COMMON_OVERRIDE_OPTIONS): New.
9342 2006-02-24 Roger Sayle <roger@eyesopen.com>
9345 * combine.c (try_combine): Explicitly check whether GET_CODE is
9346 a SET or a CLOBBER, instead on checking that it isn't a USE.
9348 2006-02-24 Roger Sayle <roger@eyesopen.com>
9350 * fold-const.c (fold_comparison): New subroutine of fold_binary
9351 containing transformations common to both the equality and
9352 ordering relational operators, factored out of fold_binary.
9353 (fold_binary): Separate out the equality operators (EQ_EXPR
9354 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9355 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9356 transformations common to both.
9357 (fold_div_compare): Fix latent bugs in the previously unreachable
9358 LT_EXPR and GE_EXPR cases.
9360 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9362 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9363 decl libname for clog to __clog on AIX.
9365 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9367 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9370 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9371 output traceback table for thunks. Localise rs6000_stack_info call.
9373 2006-02-23 Roger Sayle <roger@eyesopen.com>
9374 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9376 * gthr-posix.h (__gthrw): Fix typo in comment.
9378 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9380 * doc/cpp.texi (Character sets): Document that we do support
9381 input files to be in any character set.
9383 2006-02-23 Jeff Law <law@redhat.com>
9385 * tree.h (PHI_ARG_NONZERO): Remove.
9386 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9387 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9388 node to the new node.
9390 PR tree-optimization/26425
9391 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9392 min/max, then assume its varying.
9394 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9396 PR rtl-optimization/26316
9397 * rtlanal.c (enum may_trap_p_flags): New.
9398 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9399 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9400 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9401 (may_trap_after_code_motion_p): New function.
9402 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9403 (find_invariant_insn): Use may_trap_after_code_motion_p.
9404 * rtl.h (may_trap_after_code_motion_p): Declare.
9406 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9408 * emit-rtl.c (immed_double_const): Cleanup.
9410 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9412 Fix PR tree-optimization/26376
9413 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9416 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9419 * gimplify.c (omp_add_variable): Guard variable size decl test with
9420 DECL_SIZE (decl) check.
9422 2006-02-23 Richard Guenther <rguenther@suse.de>
9425 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9426 like aggregate types.
9428 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9430 * configure.ac: Add --with{,out}-long-double-128 configure option.
9431 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9432 * configure: Rebuilt.
9433 * config.in: Rebuilt.
9434 * doc/install.texi (Options specification): Document
9435 --with-long-double-128.
9437 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9438 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9439 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9440 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9442 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9444 * config/s390/s390.c (override_options): Handle
9445 TARGET_DEFAULT_LONG_DOUBLE_128.
9447 * config/alpha/alpha.c (override_options): Handle
9448 TARGET_DEFAULT_LONG_DOUBLE_128.
9450 * config/sparc/sparc.c (sparc_override_options): Handle
9451 TARGET_DEFAULT_LONG_DOUBLE_128.
9453 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9455 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9456 (real-install-headers-tar, real-install-headers-cpio)
9457 (real-install-headers-cp): New targets.
9459 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9461 * tree.h (variable_section): Delete.
9462 * varasm.c (variable_section): Delete.
9464 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9466 * install.texi: Add notes on install.texi2html.
9467 (Building in parallel): Do not use footnotes.
9469 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9472 * doc/install.texi (Configuration): Document --disable-libgomp.
9474 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9476 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9478 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9480 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9481 (vec_extractv2df_0_sse): New.
9483 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9485 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9486 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9487 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9488 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9489 to the result of the expression.
9490 (def_cfa_1): Adjust.
9491 (frame_pointer_cfa_offset): Rename to...
9492 (frame_pointer_fb_offset): ... this. Adjust all uses.
9493 (convert_cfa_to_loc_list): Rename to...
9494 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9495 Pass it on to build_cfa_loc.
9496 (compute_frame_pointer_to_cfa_displacement): Rename to...
9497 (compute_frame_pointer_to_fb_displacement): ... this. New
9498 offset parameter. Use it in computation.
9499 (gen_subprogram_die): Compute cfa_fb_offset with the new
9500 macro, and use it to compute the fb loc list and the
9503 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9505 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9506 replaced with register_operand.
9507 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9508 non-DREG is expensive.
9509 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9510 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9513 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9515 * doc/install.texi2html: Use set -e.
9517 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9519 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9520 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9521 * doc/invoke.texi (-fshared-data): Delete.
9522 * common.opt (fshared-data): Delete.
9523 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9524 (assemble_static_space): Remove #if 0 code.
9525 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9526 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9527 * config/cris/cris.h: Remove FIXME.
9529 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9531 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9534 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9537 * combine.c (simplify_shift_const_1): Disable nested shifts
9538 optimization for vector shifts.
9540 2006-02-20 Roger Sayle <roger@eyesopen.com>
9542 PR tree-optimization/26361
9543 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9544 of unsigned integer types.
9546 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9548 * tree-chrec.c (eq_evolutions_p): New.
9549 * tree-chrec.h (eq_evolutions_p): Declared.
9550 * tree-data-ref.c: Fix formatting.
9551 (datadep_stats, dependence_stats): New.
9553 (print_direction_vector): New.
9554 (dump_data_dependence_relation): Use print_direction_vector.
9555 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9556 (compute_subscript_distance): Static.
9557 (initialize_data_dependence_relation): Static. Get the number
9558 of loops surrounding the references from the callers, and initialize
9559 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9560 base_object_differ_p analyzers.
9561 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9562 compute_overlap_steps_for_affine_1_2,
9563 analyze_subscript_affine_affine): Count the classified dependences.
9564 Print a message when a test failed.
9565 (can_use_analyze_subscript_affine_affine): New.
9566 (analyze_siv_subscript): Compute the data dependences on symbolic
9567 scevs that verify can_use_analyze_subscript_affine_affine.
9568 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9569 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9570 Handle symbolic scevs.
9571 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9573 (subscript_dependence_tester): Moved...
9574 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9575 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9576 DDR_SIZE_VECT instead of getting it in parameter.
9577 (subscript_dependence_tester): ... here. Take as a parameter
9578 loop_nest_depth. Call build_classic_dist_vector and
9579 build_classic_dir_vector.
9580 (compute_affine_dependence): Update subscript_dependence_tester
9581 parameters. Update datadep_stats counters. Call
9582 compute_subscript_distance.
9583 (compute_self_dependence): Save the dist and dir vectors. Call
9584 compute_subscript_distance.
9585 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9586 (compute_all_dependences): Reorder parameters as they were before
9587 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9588 compute_subscript_distance. Update the use of
9589 compute_affine_dependence and initialize_data_dependence_relation.
9590 (find_data_references_in_loop): Handle COMPONENT_REF.
9591 (compute_data_dependences_for_loop): Initialize dependence_stats.
9592 Don't call build_classic_dist_vector and build_classic_dir_vector.
9593 Update the parameters of initialize_data_dependence_relation and
9594 compute_all_dependences. Print the statistics from datadep_stats.
9595 (analyze_all_data_dependences): Static. Not used until the pass for
9596 checking the data dependences is contributed.
9597 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9598 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9599 (initialize_data_dependence_relation, compute_affine_dependence,
9600 analyze_all_data_dependences, compute_subscript_distance): Removed.
9601 (print_direction_vector): New.
9602 * lambda.h (gcd): ... here.
9603 (lambda_vector_gcd): Moved here from gcd_vector.
9604 * lambda-code.c (gcd, gcd_vector): Removed.
9605 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9606 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9608 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9610 * ipa-type-escape.c: Tidy some comments and white space.
9611 * tree-ssa-operands.c: Likewise.
9613 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9616 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9617 (dump_decl_name): Do not walk the decl tree chains.
9618 * tree-pass.h (TDF_CHAIN): Remove.
9620 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9622 * Makefile.in (C): Remove
9624 (.PHONY): Remove C and PROTO
9626 2006-02-20 Roger Sayle <roger@eyesopen.com>
9629 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9630 deprecated CHAR_TYPE tree code.
9632 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9634 * configure.ac (target_list): Add install-info, dvi, html.
9635 * configure: Regenerate.
9637 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9638 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9639 treelang/Make-lang.in: Do not use double-colon rules.
9641 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9643 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9644 (TMT_USED_ALONE): New macro.
9645 * tree-pass.h (PROP_tmt_usage): New property.
9646 (TODO_update_tmt_usage): New todo.
9647 * tree-ssa-alias.c (updating_used_alone): New variable.
9648 (recalculate_used_alone): New function.
9649 (compute_may_aliases): Set updating_used_alone, call
9650 recalculate_used_alone.
9651 * tree-sra.c (pass_sra): Note that this pass destroys
9652 PROP_tmt_usage, and add TODO_update_tmt_usage.
9653 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9654 * tree-flow.h (updating_used_alone): Prototype.
9655 (recalculate_used_alone): Ditto.
9656 * passes.c (execute_todo): Add code to set updating_used_alone,
9657 and call recalculate.
9658 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9659 for clobber if used alone, and add assert to verify used_alone
9662 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9664 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9665 for non tls symbols added.
9666 (legitimize_address): Do nothing for PLUS expressions if one of the
9667 addends is a tls symbol reference.
9669 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9673 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9675 * Makefile.in (BOOTSTRAPPING): New.
9676 (quickstrap): New definition if BOOTSTRAPPING=yes.
9678 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9679 * configure.ac: Substitute all_selected_languages with the languages
9680 that were configured. For all the other variables except
9681 lang_specs_files, include all the languages in the tree.
9682 * configure: Regenerate.
9684 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9685 if there is one. Run the commands to run fixincludes in the same
9688 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9689 * doc/install.texi: Document exact conventions for searching target tools.
9690 Document --with-build-time-tools. Document toplevel bootstrap. Document
9691 something more about building an Ada cross-compiler. Don't list GNU Make
9692 requirements which affect all platforms.
9694 2006-02-19 Roger Sayle <roger@eyesopen.com>
9697 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9698 only equivalent if the have both the same mode and precision.
9700 2006-02-20 Ben Elliston <bje@au.ibm.com>
9702 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9704 2006-02-19 Roger Sayle <roger@eyesopen.com>
9705 Steven Bosscher <stevenb.gcc@gmail.com>
9707 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9708 constant pool references to identify stack mode constants.
9709 * rtlanal.c (constant_pool_constant_p): New predicate to check
9710 whether operand is a floating point constant in the pool.
9711 * rtl.h (constant_pool_constant_p): Prototype here.
9712 * loop.c (scan_loop): Avoid hoisting constants from the constant
9713 pool on STACK_REGS targets.
9714 (load_mems): Likewise.
9715 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9716 loads into x87 registers expensive in terms of register pressure.
9718 2006-02-19 Roger Sayle <roger@eyesopen.com>
9720 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9721 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9723 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9725 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9726 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9728 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9730 * doc/invoke.texi: Document -fipa-pta.
9731 * common.opt: Add ipa-pta option.
9732 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9733 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9734 (do_ds_constraint): Ditto.
9735 (get_constraint_for): Only add to referenced_vars if
9736 referenced_vars exists.
9737 (insert_into_field_list): Rewrite to do this unsorted.
9738 (insert_into_field_list_sorted): Rename old insert_into_field_list
9740 (create_function_info_for): Use insert_into_field_list_sorted.
9741 (create_variable_info_for): Rewrite so it uses unsorted version,
9742 since the field list is sorted.
9743 (intra_create_variable_infos): Only add to referenced_vars if
9744 referenced_vars exists.
9745 (ipa_pta_execute): Init heapvars, and delete when done.
9746 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9748 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9750 * doc/install.texi: Add missing `@samp'.
9752 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9754 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9757 2006-02-18 Mark Wielaard <mark@klomp.org>
9759 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9760 who added new 4.1 features, bug fixes and integration support.
9762 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9765 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9768 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9770 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9771 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9772 (copy_insn_1): Likewise. Don't copy each field individually.
9774 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9776 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9777 * rtl.c (rtx_size): Rename variable to...
9778 (rtx_code_size): ...this.
9779 (rtx_size): New function.
9780 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9781 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9783 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9784 * rtl.h (rtx_code_size): New variable.
9785 (rtx_size): Change from a variable to a function.
9786 (RTX_SIZE): Rename to...
9787 (RTX_CODE_SIZE): ...this.
9790 PR tree-optimization/17106
9791 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9792 (Anchored Addresses): New section.
9793 * doc/invoke.texi (-fsection-anchors): Document.
9794 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9795 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9796 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9797 * hooks.c (hook_bool_mode_rtx_false): New function.
9798 * hooks.h (hook_bool_mode_rtx_false): Declare.
9799 * gengtype.c (create_optional_field): New function.
9800 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9801 SYMBOL_REF_IN_BLOCK_P is true.
9802 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9803 (min_anchor_offset, max_anchor_offset): Likewise.
9804 (use_anchors_for_symbol_p): New hook.
9805 * toplev.c (compile_file): Call output_object_blocks.
9806 (target_supports_section_anchors_p): New function.
9807 (process_options): Check that -fsection-anchors is only used on
9808 targets that support it and when -funit-at-a-time is in effect.
9809 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9810 if the decl doesn't have one.
9811 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9812 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9813 of force_const_mem through use_anchored_address.
9814 (expand_expr_constant): New function.
9815 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9816 calling expand_expr for INDIRECT_REF.
9817 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9818 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9819 * expr.h (use_anchored_address): Declare.
9820 * loop-unroll.c: Don't declare rtx vectors here.
9821 * explow.c: Include output.h.
9822 (validize_mem): Call use_anchored_address.
9823 (use_anchored_address): New function.
9824 * common.opt (-fsection-anchors): New switch.
9825 * varasm.c (object_block_htab, anchor_labelno): New variables.
9826 (hash_section, object_block_entry_eq, object_block_entry_hash)
9827 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9828 (use_blocks_for_decl_p, change_symbol_section): New functions.
9829 (get_variable_section): New function, split out from assemble_variable.
9830 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9831 use_blocks_for_decl_p say so. Use change_symbol_section if the
9832 symbol has already been created.
9833 (assemble_variable_contents): New function, split out from...
9834 (assemble_variable): ...here. Don't output any code for
9835 block symbols; just pass them to place_block_symbol.
9836 Use get_variable_section and assemble_variable_contents.
9837 (get_constant_alignment, get_constant_section, get_constant_size): New
9838 functions, split from output_constant_def_contents.
9839 (build_constant_desc): Create a block symbol if use_object_blocks_p
9840 says so. Or into SYMBOL_REF_FLAGS.
9841 (assemble_constant_contents): New function, split from...
9842 (output_constant_def_contents): ...here. Don't output any code
9843 for block symbols; just pass them to place_section_symbol.
9844 Use get_constant_section and get_constant_alignment.
9845 (force_const_mem): Create a block symbol if use_object_blocks_p and
9846 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9847 (output_constant_pool_1): Add an explicit alignment argument.
9848 Don't switch sections here.
9849 (output_constant_pool): Adjust call to output_constant_pool_1.
9850 Switch sections here instead. Don't output anything for block symbols;
9851 just pass them to place_block_symbol.
9852 (init_varasm_once): Initialize object_block_htab.
9853 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9854 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9855 (place_block_symbol, get_section_anchor, output_object_block)
9856 (output_object_block_htab, output_object_blocks): New functions.
9857 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9858 (TARGET_ASM_OUT): Include it.
9859 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9860 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9861 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9862 (TARGET_INITIALIZER): Include them.
9863 * rtl.c (rtl_check_failed_block_symbol): New function.
9864 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9865 (block_symbol, object_block): New structures.
9866 (rtx_def): Add a block_symbol field to the union.
9867 (BLOCK_SYMBOL_CHECK): New macro.
9868 (rtl_check_failed_block_symbol): Declare.
9869 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9870 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9871 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9872 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9873 * output.h (output_section_symbols): Declare.
9874 (object_block): Name structure.
9875 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9876 (default_use_anchors_for_symbol_p): Declare.
9877 * Makefile.in (RTL_BASE_H): Add vec.h.
9878 (explow.o): Depend on output.h.
9879 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9880 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9881 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9882 (rs6000_use_blocks_for_constant_p): New function.
9884 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9886 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9888 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9891 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9894 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9896 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9900 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9903 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9904 instead of DECL_REGISTER.
9906 2006-02-18 Olivier Hainque <hainque@adacore.com>
9909 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9911 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9914 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9915 * opth-gen.awk: Handle Var and InverseMask together.
9916 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9917 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9918 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9919 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9921 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9922 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9923 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9924 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9925 LINUX_DYNAMIC_LINKER): Define.
9926 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9927 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9929 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9930 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9931 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9932 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9933 (TARGET_C99_FUNCTIONS): Don't define.
9934 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9935 GLIBC_DYNAMIC_LINKER.
9936 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9937 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9938 GLIBC_DYNAMIC_LINKER64): Define.
9939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9940 LINUX_DYNAMIC_LINKER64.
9941 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9943 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9945 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9946 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9947 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9948 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9949 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9950 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9951 and LINUX_DYNAMIC_LINKER32.
9952 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9954 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9956 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9958 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9959 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9960 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9961 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9962 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9963 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9964 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9965 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9966 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9967 LINUX_DYNAMIC_LINKER): Define.
9968 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9969 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9970 GLIBC_DYNAMIC_LINKER64): Define.
9971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9972 LINUX_DYNAMIC_LINKER64.
9973 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9974 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9975 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9976 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9977 LINUX_DYNAMIC_LINKER): Define.
9978 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9979 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9980 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9981 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9982 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9983 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9984 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9985 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9986 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9987 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9988 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9989 * doc/invoke.texi (-muclibc): Remove caveat about supported
9992 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9994 * doc/cpp.texi (__TIMESTAMP__): Document.
9996 2006-02-17 Roger Sayle <roger@eyesopen.com>
9999 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10000 C is one less than the width of X (and related transformations).
10001 * simplify-rtx.c (simplify_unary_operation_1): Transform
10002 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10003 depending on STORE_FLAG_VALUE, were C is one less then the
10006 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10008 Fix PR tree-optimization/26341
10009 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10010 about NAME_MEMORY_TAG's.
10012 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10015 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10016 with hardware float support, and software float support. Add fcpy
10017 alternative to hardware patterns. Add alternatives to copy between
10018 general and floating-point registers to the 32-bit pattern.
10019 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10020 secondary reload to load a QI or HI mode constant into a floating
10022 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10023 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10025 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10028 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10030 (load_macho_picbase_di): Likewise.
10032 2006-02-16 Jeff Law <law@redhat.com>
10034 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10035 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10036 (ssa_name_nonzero_p): Likewise.
10037 (get_value_range): Return NULL if VRP is not running.
10038 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10039 VRP routines do not discover a range.
10040 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10041 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10042 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10043 (tree_expr_nonnegative_p): Similarly.
10044 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10045 (restore_nonzero_vars_to_original_value): Remove.
10046 (unsafe_associative_fp_binop): Remove.
10047 (tree_ssa_dominator_optimize): Remove initialization and
10048 finalization of nonzero_vars and nonzero_vars_stack.
10049 (dom_opt_initialize_block): No longer push marker on
10050 nonzero_vars_stack.
10051 (dom_opt_finalize_block): No longer call
10052 restore_nonzero_vars_to_original_value.
10053 (record_equivalences_from_phis): No longer look for
10054 nonzero PHI arguments.
10055 (cprop_into_successor_phis): No longer propagate nonzero
10056 property into PHI arguments. Lose unused argument. Caller
10058 (record_equivalences_from_stmt): No longer record nonzero
10059 values for SSA_NAMEs.
10060 (lookup_avail_expr): No longer use nonzero_vars.
10062 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10063 for sizetype when sizetype is unsigned.
10065 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10067 PR rtl-optimization/25603
10068 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10069 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10070 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10071 with new meaning of SETS.
10073 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10078 * config/linux.opt: New file.
10079 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10080 LINUX_DYNAMIC_LINKER): Define.
10081 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10082 * config.gcc (*-*-linux*): Define extra_options.
10083 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10084 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10085 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10086 GLIBC_DYNAMIC_LINKER.
10087 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10088 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10089 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10091 * doc/invoke.texi (GNU/Linux Options): New section.
10093 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10095 * config/sparc/sparc.md (setjmp): Rewrite.
10096 (setjmp_32): Delete.
10097 (setjmp_64): Likewise.
10099 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10101 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10104 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10106 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10109 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10111 PR rtl-optimization/26296
10112 * Makefile.in (loop-invariant.c): Add except.h dependency.
10113 * loop-invariant.c: Include except.h.
10114 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10116 2005-02-16 Paul Brook <paul@codesourcery.com>
10118 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10121 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10123 PR rtl-optimization/25636
10124 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10125 when deciding whether an insn is an initializing insn.
10127 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10129 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10130 (tree_code_size): Ditto.
10131 * tree.h (struct tree_memory_tag): Remove parent_var.
10132 (struct tree_struct_field_tag): New.
10135 (union tree_node): Add sft member.
10136 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10138 (create_sft): Add size and offset argument, set SFT_OFFSET and
10140 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10141 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10142 * tree-flow-inline.h (get_subvar_at): Update for
10143 SFT_OFFSET/SFT_SIZE.
10144 (var_can_have_subvars): Ditto.
10145 (overlap_subvar): Ditto.
10146 * print-tree.c (print_node): Print out interesting things for
10148 * tree-flow.h (struct subvar): Remove offset and size members.
10149 * tree-ssa-operands.c (get_expr_operands): Update for
10150 get_indirect_ref_operands changes.
10151 (get_indirect_ref_operands): Call add_virtual_operand instead of
10152 add_stmt_operand. Only recurse on base var if requested.
10153 (access_can_touch_variable): New function.
10154 (add_stmt_operand): Split virtual operand handling into ...
10155 (add_virtual_operand): Here. Add offset, size, and for_clobber
10156 arguments. Prune alias sets.
10157 (add_call_clobber_ops): Call add_virtual_operand.
10159 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10161 PR middle-end/26300
10162 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10164 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10165 than TREE_CODE as index into omp_clause_num_ops array.
10167 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10169 PR rtl-optimization/26184
10170 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10172 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10173 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10174 must_precede, must_follow and tobe_scheduled.
10177 * opts.c (common_handle_option): Free new_option pointer.
10178 * df-core.c (df_analyze): Free postorder pointer.
10180 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10182 * Makefile.in: Fix the examples about the use of stamps
10184 2006-02-15 Michael Matz <matz@suse.de>
10186 PR middle-end/22275
10188 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10189 influenced by maximum_field_alignment or DECL_PACKED.
10190 (update_alignment_for_field): Ditto.
10191 (place_field): Ditto.
10192 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10195 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10197 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10198 (debug_flow_info): Pass it.
10199 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10200 * bb-reorder.c (reorder_basic_blocks): Likewise.
10201 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10202 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10203 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10204 * gcse.c (gcse_main, bypass_jumps): Likewise.
10205 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10206 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10207 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10208 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10209 * rtl.h (dump_flow_info): Adjust prototype.
10210 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10211 * var-tracking.c (variable_tracking_main): Likewise.
10212 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10213 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10216 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10218 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10221 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10223 PR tree-optimization/26209
10224 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10225 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10227 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10229 2006-02-14 Roger Sayle <roger@eyesopen.com>
10231 PR middle-end/23670
10232 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10233 (X,Y) and the corresponding symmetry related transformations.
10234 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10235 (X,Y) and its symmetry related transformations.
10237 2006-02-14 Roger Sayle <roger@eyesopen.com>
10239 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10242 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10244 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10246 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10249 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10250 support COMDAT group.
10251 * configure: Regenerate.
10253 2006-02-14 Roger Sayle <roger@eyesopen.com>
10255 PR middle-end/26279
10256 PR middle-end/26280
10257 PR middle-end/26283
10258 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10260 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10262 Fix PR tree-optimization/26260
10264 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10266 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10267 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10268 * tree-ssa-structalias.c (create_variable_info_for): Use
10269 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10271 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10273 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10275 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10276 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10277 of the ending condition.
10278 * tree-ssa-loop-manip.c: Include params.h.
10279 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10280 tree_unroll_loop): New functions.
10281 * tree-pass.h (pass_loop_prefetch): Declare.
10282 * loop.c (rest_of_handle_loop_optimize): Test for
10283 -fprefetch-loop-arrays-rtl.
10284 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10285 * timevar.def (TV_TREE_PREFETCH): New timevar.
10286 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10287 pass_loop_prefetch): New.
10288 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10289 (cleanup_tree_cfg_loop): Call scev_reset.
10290 * common.opt (fprefetch-loop-arrays-rtl): Add.
10291 * tree-ssa-loop-prefetch.c: New file.
10292 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10293 (new_temp_expr_table): Initialize expr_vars.
10294 (free_temp_expr_table): Cleanup expr_vars.
10295 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10296 expressions from being merged into one.
10297 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10298 (struct tree_niter_desc): Add control, bound and cmp fields.
10299 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10301 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10302 (tree-cfgcleanup.o): Add SCEV_H dependency.
10303 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10304 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10306 2006-02-14 Richard Guenther <rguenther@suse.de>
10308 PR tree-optimization/26258
10309 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10310 in PHI argument processing.
10312 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10314 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10315 new expression in the requested machine mode.
10317 2006-02-13 Roger Sayle <roger@eyesopen.com>
10319 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10320 directly, instead let do_compare_rtx_and_jump handle this for us.
10321 * expr.c (expand_expr_real_1): Likewise.
10322 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10323 before do_jump_by_parts_greater.
10324 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10325 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10327 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10329 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10331 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10333 PR rtl-optimization/26235
10334 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10335 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10338 2006-02-13 Jeff Law <law@redhat.com>
10340 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10343 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10345 PR middle-end/26092
10346 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10347 twice if decl is a builtin. When trying again, call get_callee_fndecl
10348 first to verify it is still a builtin.
10350 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10352 * dwarf2out.c (base_type_die): Don't add AT_name here.
10353 (subrange_type_die): Don't add AT_name here.
10354 (modified_type_die): Rearrange code flow. Do add AT_name here.
10356 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10358 PR rtl-optimization/26247
10359 PR rtl-optimization/26248
10360 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10362 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10364 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10365 * config/fixtfdi.c: Likewise.
10366 * config/fixunstfdi.c: Likewise.
10367 * config/floatditf.c: Likewise.
10369 2006-02-13 Roger Sayle <roger@eyesopen.com>
10371 PR middle-end/24427
10372 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10373 into (X,C2) if C1 is a subset of the bits of C2. Transform
10374 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10376 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10378 2006-02-13 Josh Conner <jconner@apple.com>
10381 * varasm.c (function_section): Check for section name before
10382 calling select_section on targets that define
10383 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10384 unlikely_text_section instead of hot_function_section if
10385 first_function_block_is_cold.
10387 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10389 PR middle-end/25335
10390 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10392 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10394 PR rtl-optimization/26222
10395 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10396 after tree->rtl expansion.
10397 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10398 before passing it to emit_move_insn.
10400 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10402 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10404 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10405 Clarify documentation.
10406 * c-common.h (warn_write_strings): Remove.
10407 * c-common.c (warn_write_strings): Likewise.
10408 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10411 2006-02-12 Roger Sayle <roger@eyesopen.com>
10413 PR middle-end/25724
10414 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10415 (do_jump_parts_zero_rtx): New function renamed from
10416 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10417 (do_jump_parts_equality_rtx): New function split out from
10418 do_jump_parts_equality. Old implementation renamed as above.
10419 Call do_jump_parts_zero_rtx if either operand is zero.
10420 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10421 do all of the heavy lifting.
10422 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10423 calling either do_jump_by_parts_greater_rtx or
10424 do_jump_by_parts_equality_rtx.
10425 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10426 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10427 moved to do_compare_rtx_and_jump, call it directly.
10428 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10429 mode argument. Call do_compare_rtx_and_jump.
10430 (emit_case_nodes): Update calls to do_jump_if_equal.
10432 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10434 PR rtl-optimization/26225
10435 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10437 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10439 PR rtl-optimization/26232
10440 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10442 2006-02-11 Jason Merrill <jason@redhat.com>
10445 * tree-inline.c (declare_return_variable): Just don't use the
10446 modify target if it's a gimple complex reg and the return slot
10449 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10451 * doc/contrib.texi: Update my entry.
10453 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10455 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10457 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10459 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10462 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10464 * doc/invoke.texi (-floop-optimize2): Removed.
10465 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10466 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10467 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10468 * common.opt (floop-optimize2): Removed.
10469 (fmove-loop-invariants): Enabled by default.
10471 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10473 * tree-if-conv.c (combine_blocks): Free the result of
10474 get_loop_exit_edges.
10476 2006-02-10 Jeff Law <law@redhat.com>
10478 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10480 PR tree-optimization/26213
10481 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10482 loop trying to follow SSA_NAME_VALUE chains.
10484 2006-02-10 Richard Guenther <rguenther@suse.de>
10486 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10487 deal with structures that end in implicitly variable sized arrays.
10489 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10491 PR rtl-optimization/24762
10492 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10495 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10497 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10498 (struct ivopts_data): Add regs_used field.
10499 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10500 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10501 instead of loop_data->regs_used;
10502 (free_loop_data): Do not free aux fields for loops.
10503 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10504 and tree_ssa_iv_optimize_finalize.
10506 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10508 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10510 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10513 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10514 computing the effective result type.
10516 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10518 PR inline-asm/16194
10519 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10520 (tree_overlaps_hard_reg_set): Declare.
10521 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10522 type and signature to match function type expected by walk_tree.
10523 (tree_overlaps_hard_reg_set): New function.
10524 (decl_conflicts_with_clobbers_p): Rename to:
10525 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10526 Use tree_overlaps_hard_reg_set. Changed caller.
10527 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10528 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10529 * cris.c (cris_md_asm_clobbers): Likewise.
10531 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10533 * reload1.c (emit_input_reload_insns): Delete code that tries to
10534 inherit using find_equiv_reg.
10536 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10538 * c-common.h (flag_const_strings): Don't declare.
10539 * c-common.c (flag_const_strings): Remove.
10540 * c.opt (fconst_strings): Remove.
10541 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10542 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10543 (c_common_init_options): Don't set flag_const_strings.
10544 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10546 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10548 * arm.md (tlobits_cbranch): New pattern.
10549 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10550 testing a single bit.
10552 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10555 * tree-ssa-pre.c (create_component_ref_by_pieces):
10556 Handle RETURN_DECL like VAR_DECL.
10558 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10560 PR middle-end/26134
10561 * fold-const.c (fold_indirect_ref_1): Fold
10562 "*(foo *)&complexfoo" to "__real__ complexfoo"
10563 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10565 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10567 * tree-flow-inline.h (var_can_have_subvars):
10568 Volatile variables should not have subvariables.
10570 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10573 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10574 multiplying unsigned values.
10577 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10579 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10581 2006-02-08 Jason Merrill <jason@redhat.com>
10584 * tree.def: Elaborate on difference from MODIFY_EXPR.
10585 * doc/c-tree.texi (INIT_EXPR): Likewise.
10586 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10587 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10588 (gimplify_target_expr): Likewise.
10589 (gimplify_cond_expr): Remove target handling.
10590 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10591 (gimplify_expr): Clobber it here.
10592 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10593 Do return slot optimization if we have an INIT_EXPR.
10596 * tree-inline.c (declare_return_variable): Also clear
10597 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10600 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10602 PR middle-end/22439
10603 * gimplify.c (gimplify_one_sizepos): Fix typo.
10605 2006-02-08 Jeff Law <law@redhat.com>
10607 PR tree-optimization/21417
10608 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10609 across a backedge if the control statement at the end of the
10610 block is data dependent on other statements in the same block.
10611 (record_temporary_equivalences_from_stmts): Remove over-conservative
10612 test for threading across backedges.
10614 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10615 control statement, handle all three special cases in the same
10616 manner as they all have the same desired solution. No longer
10617 special case edge flag updating when the post dominator is
10620 2006-02-08 Roger Sayle <roger@eyesopen.com>
10622 * tree.def (CHAR_TYPE): Remove.
10623 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10624 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10625 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10626 (gen_string_type_die): Delete unreachable function.
10628 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10629 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10630 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10631 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10632 * builtins.c (type_to_class): Likewise.
10633 * fold-const.c (fold_convert, build_range_check,
10634 merge_ranges): Likewise.
10635 * expr.c (count_type_elements): Likewise.
10636 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10637 * stor-layout.c (layout_type): Likewise.
10638 * ipa-type-escape.c (type_to_consider): Likewise.
10639 * gimplify.c (omp_firstprivatize_type_sizes,
10640 gimplify_type_sizes): Likewise.
10641 * explow.c (promote_mode): Likewise.
10642 * tree-sra.c (is_sra_scalar_type): Likewise.
10643 * varasm.c (output_constant): Likewise.
10644 * tree-inline.c (remap_type_1): Likewise.
10645 * convert.c (convert_to_pointer, convert_to_real,
10646 convert_to_integer, convert_to_complex): Likewise.
10648 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10650 * df-scan.c (df_def_record_1): A set destination may
10651 be a parallel regardless of mode.
10653 2006-02-08 Roger Sayle <roger@eyesopen.com>
10656 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10657 * config/mips/_tilib.c: Remove.
10658 * config/fixtfdi.c: New libgcc source file.
10659 * config/fixunstfdi.c: New source file.
10660 * config/floatditf.c: New source file.
10661 * config/floatunditf.c: New souce file.
10662 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10663 files above instead of config/mips/_tilib.c.
10664 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10666 2006-02-08 Jeff Law <law@redhat.com>
10668 PR tree-optimization/26169
10669 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10672 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10674 * df.h (DF_REG_SIZE): Return the length of the initialized
10677 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10679 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10680 __muldf3): Return a correctly signed zero.
10682 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10684 * passes.c (register_one_dump_file): Accept the current properties
10685 instead of pass number. Adjust call to dump_register. Remove
10687 (register_dump_files): Now a wrapper around...
10688 (register_dump_files_1): ... this one. Do not modify the pass
10690 (next_pass_1): Cosmetic fix.
10691 (execute_todo): Keep second parameter only. Use curr_properties
10692 instead of fetching it from the pass structure. Check and set
10694 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10695 instead of fetching it from the pass structure. Fix calls to
10696 execute_todo. Update curr_properties and initialize .vcg RTL dump
10697 after running the pass. Reset last_verified.
10698 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10700 (FIRST_AUTO_NUMBERED_DUMP): New.
10701 (dump_register): Remove "num" parameter, assign it within the
10703 (get_dump_file_name): Modify template for dumps.
10704 * tree-dump.h (dump_register): Adjust prototype.
10705 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10706 (PROP_trees): Add PROP_gimple_lomp.
10707 (TODO_set_props): New.
10708 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10709 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10710 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10712 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10714 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10715 (sparc64-*-linux*): Likewise.
10716 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10717 * config/sparc/t-linux: New file.
10718 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10719 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10720 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10721 -m32 -mlong-double-128.
10723 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10724 * config/alpha/t-linux: New file.
10725 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10727 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10728 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10729 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10730 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10731 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10732 (CPP_ARCH32_SPEC): Remove.
10734 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10736 PR tree-optimization/26145
10737 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10740 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10743 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10744 >= 240000 when generating code for SOM runtime.
10745 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10746 to $$dyncall when generating code for SOM runtime..
10748 2006-02-07 Dirk Mueller <dmueller@suse.com>
10751 * doc/invoke.texi (-Wsequence-point): Update documentation
10752 that -Wsequence-point is implemented for C++ as well.
10754 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10756 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10757 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10758 (LIB_SPEC): Likewise.
10759 * doc/invoke.texi (SPARC options): Document -pthread.
10761 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10763 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10766 2006-02-07 Roger Sayle <roger@eyesopen.com>
10768 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10769 Correct comment describing BOOLEAN_TYPE.
10771 2006-02-07 Dirk Mueller <dmueller@suse.com>
10773 * c.opt: C++ frontend supports -Wdiv-by-zero.
10774 * c-opts.c (c_common_handle_option): Remove dead case.
10776 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10778 * configure.ac (TLS assembler check): Do not enable TLS by
10779 default on SPARC/Solaris before version 10.
10780 * configure: Regenerate.
10782 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10784 * doc/invoke.texi (xl-compat): Document conversion and support
10787 2006-02-07 Jeff Law <law@redhat.com>
10789 * tree-vrp.c (find_conditional_asserts): Update comments.
10790 (simplify_stmt_for_jump_threading): New.
10791 (identify_jump_threads, finalize_jump_threads): New.
10792 (vrp_finalize): Call identify_jump_threads.
10793 (execute_vrp): Call finalize_jump_threads.
10794 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10795 (vrp_element, vrp_data, vrp_element_p): Remove.
10796 (vrp_hash_elt, vrp_variables_stack): Remove.
10797 (vrp_hash, vrp_eq, record_range): Remove.
10798 (simplify_cond_and_lookup_avail_expr): Remove.
10799 (extract_range_from_cond): Remove.
10800 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10801 (simplify_stmt_for_jump_threading): New.
10802 (dom_thread_across_edge): New wrapper.
10803 (tree_ssa_dominator_optimize): No longer initialize or
10804 finalize any of the VRP datastructures. Remove iteration
10805 step and simplify as a result of removal of iteration step.
10806 (pass_dominator): Perform a cfg cleanup after DOM.
10807 (dom_opt_finalize_block): Use the new common routines
10808 for threading jumps. Simplify stack management slightly.
10809 No longer need to unwind VRP state.
10810 (record_equivalences_from_incoming_edge): No longer record
10812 (eliminate_redundant_computations): No longer call
10813 simplify_cond_and_lookup_avail_expr.
10814 * tree-flow.h (potentially_threadable_block): Prototype.
10815 (thread_across_edge): Likewise.
10816 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10817 (tree-ssa-threadedge.o): Add dependencies.
10818 * tree-ssa-threadedge.c: New file.
10819 * passes.c (init_optimization_passes): Merge PHIs before
10820 calling VRP. Run VRP again late in the SSA optimization pipeline.
10822 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10824 * df-core.c (df_set_blocks): Do not dereference function pointers.
10825 (df_finish1): Likewise.
10826 (df_hybrid_search_forward): Likewise.
10827 (df_hybrid_search_backward): Likewise.
10828 (df_iterative_dataflow): Likewise.
10829 (df_analyze_problem): Likewise.
10830 (df_compact_blocks): Likewise.
10831 (df_dump): Likewise.
10832 * df-scan.c (df_rescan_blocks): Likewise.
10833 (df_record_entry_block_defs): Likewise.
10835 * genconditions.c (write_conditions): Guard the definition of
10836 'insn_conditions' with the check on GCC version.
10837 (write_writer): Guard the traversal 'insn_conditions' with
10838 the check on GCC version.
10840 2006-02-07 Richard Guenther <rguenther@suse.de>
10844 2006-01-30 Richard Guenther <rguenther@suse.de>
10846 * gimplify.c (gimplify_target_expr): Handle easy cases
10847 without creating a temporary.
10849 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10851 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10852 use of float in probability computations. Use edge probabilities
10853 in place of statically computed probabilities.
10854 (min_spec_prob): New static variable.
10855 (schedule_insns): Initialize it.
10856 (GET_SRC_PROB): Removed.
10857 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10859 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10862 * config/ia64/unwind-ia64.c: Revert last change.
10863 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10864 (INCOMING_FRAME_SP_OFFSET): Define.
10866 2006-02-06 Roger Sayle <roger@eyesopen.com>
10868 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10870 2006-02-07 Ben Elliston <bje@au.ibm.com>
10872 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10873 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10874 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10875 (ix86_return_in_memory): Handle TDmode.
10876 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10877 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10879 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10881 * reorg.c (dbr_schedule): Use dump_file instead of file.
10883 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10886 * config/ia64/predicates.md (extr_len_operand): New predicate.
10887 * config/ia64/ia64.md (extv): Tighten constraints.
10889 (*tbit_and_2): Ditto.
10890 (*tbit_and_3): Ditto.
10891 (*tbit_or_2): Ditto.
10892 (*tbit_or_3): Ditto.
10893 (*bit_zero): Ditto.
10896 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10899 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10901 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10903 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10904 loop_optimizer_init and loop_optimizer_finalize
10905 * tree-ssa-sink.c (execute_sink_code): Ditto.
10906 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10907 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10908 tree_ssa_loop_done): Ditto.
10909 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10910 * sched-ebb.c: Include output.h.
10911 (schedule_ebbs): Do not use dump argument.
10912 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10913 * loop.c (loop_dump_stream): Removed.
10914 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10916 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10917 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10918 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10919 loop_iterations, strength_reduce, record_biv, record_giv,
10920 final_giv_value, check_final_value, check_ext_dependent_givs,
10921 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10922 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10923 dump_file instead of loop_dump_stream.
10924 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10925 argument dump_file.
10926 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10928 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10929 * haifa-sched.c: Include output.h
10930 (schedule_insns, sched_init): Do not use dump argument.
10931 * mode-switching.c (optimize_mode_switching): Ditto.
10932 * modulo-sched.c (stats_file): Removed.
10933 (print_node_sched_params): Do not call argument dump_file.
10934 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10935 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10937 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10939 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10940 rtl_loop_init, rtl_loop_done): Ditto.
10941 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10942 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10944 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10945 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10946 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10947 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10948 * emit-rtl.c (renumber_insns): Ditto.
10949 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10950 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10951 * regclass.c (regclass): Ditto.
10952 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10953 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10954 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10955 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10957 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10958 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10960 * gcse.c (gcse_file, debug_stderr): Removed.
10961 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10962 rest_of_handle_gcse): Do not use dump argument.
10963 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10964 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10965 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10966 compute_code_hoist_vbeinout, compute_code_hoist_data,
10967 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10968 compute_store_table, build_store_vectors, insert_insn_start_bb,
10969 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10970 store_motion): Use dump_file instead of gcse_file.
10971 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10972 * profile.c (profile_dump_file): Removed.
10973 (branch_prob): Use dump_file instead of profile_dump_file.
10974 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10976 * tree-ssa-copy.c (dump_copy_of): Ditto.
10977 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10978 dump file to life_analysis.
10979 * bt-load.c (branch_target_load_optimize): Ditto.
10980 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10982 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10983 regclass, dbr_schedule): Declaration changed.
10984 * sched-int.h (sched_init): Declaration changed.
10985 * tree-profile.c (tree_profile_dump_file): Removed.
10986 (tree_profile_hooks): Removed profile_dump_file hook.
10987 * rtl-profile (rtl_profile_dump_file): Removed.
10988 (rtl_profile_hooks): emoved profile_dump_file hook.
10989 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10991 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10992 * tree-cfg.c (build_tree_cfg): Ditto.
10993 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10994 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10995 Declaration changed.
10996 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10997 life_analysis and schedule_insns.
10998 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11000 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11002 * config/mips/mips.c (mips_reorg): Ditto.
11003 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11006 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11008 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11009 (s390_mangle_fundamental_type): New.
11010 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11013 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11014 (alpha_mangle_fundamental_type): New.
11015 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11018 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11020 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11022 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11023 (sparc_mangle_fundamental_type): New.
11025 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11027 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11028 (s390x-*-linux*): Likewise.
11029 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11030 * config/s390/t-linux: New file.
11032 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11034 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11035 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11037 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11039 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11040 (ANTIC_SAFE_LOADS): New macro.
11041 (find_or_generate_expression): Add prototype.
11042 (set_contains_value): Allow null set for sake of not always having
11043 to allocate ANTIC_SAFE_LOADS.
11044 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11045 Allow COMPONENT_REF too.
11046 (valid_in_set): Allow COMPONENT_REF.
11047 Check ANTIC_SAFE_LOADS too.
11048 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11049 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11051 (can_PRE_operation): Add COMPONENT_REF.
11052 (create_component_ref_by_pieces): New function.
11053 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11054 (insert_aux): Move AGGREGATE_TYPE_P check here.
11055 (compute_avail): Set bb local stmt uids.
11056 (pass_pre): Use TODO_update_ssa_only_virtuals.
11058 2006-02-06 Ben Elliston <bje@au.ibm.com>
11060 * configure.ac: Unconditionally disable decimal float by default.
11061 * configure: Regenerate.
11063 2006-02-06 Ben Elliston <bje@au.ibm.com>
11065 * read-rtl.c (read_name): Terminate reading on EOF.
11067 2006-02-06 Ben Elliston <bje@au.ibm.com>
11069 * dfp.c (decimal_real_arithmetic): Change second argument type
11070 from int to enum tree_code. Do not always return true, but now
11071 return result of any call to decimal_do helper functions.
11072 * dfp.h (decimal_real_arithmetic): Update prototype.
11074 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11076 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11078 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11081 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11084 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11086 * tree-vrp.c (cfg_loops): Removed.
11087 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11088 Use current_loops instead of cfg_loops. Pass flags to
11089 loop_optimizer_init.
11090 * cfgloopmanip.c (fix_loop_structure): Update only available
11092 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11093 loop_optimizer_init.
11094 * modulo-sched.c (build_loops_structure): Removed.
11095 (sms_schedule): Use loop_optimizer_init.
11096 * loop-init.c (loop_optimizer_init): Use flags to determine
11097 which properties of loops to prepare.
11098 (rtl_loop_init): Pass flags to loop_optimizer_init.
11099 * tree-ssa-sink.c (execute_sink_code): Ditto.
11100 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11101 * tree-ssa-pre.c (init_pre): Ditto.
11102 * cfgloop.h (LOOPS_NORMAL): New.
11103 (loop_optimizer_init): Declaration changed.
11105 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11107 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11108 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11110 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11112 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11114 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11115 * pa/t-pa64: Delete quadlib.c rule.
11116 * pa/x-ada: Revert last change.
11117 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11119 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11121 PR rtl-optimization/26087
11122 * rtlanal.c (canonicalize_condition): Do not cross basic block
11125 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11128 * config/ia64/ia64.c: Include debug.h.
11129 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11130 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11131 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11132 (process_epilogue, process_set, process_for_unwind_directive):
11133 Output unwind info only if requested. Add CFA info if requested.
11134 Add new arguments as needed. Adjust callers.
11135 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11137 (DWARF2_FRAME_INFO): Define to zero.
11138 * config/ia64/unwind-ia64.c: Remove code that compensated for
11139 the CFA offset error fixed above.
11140 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11141 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11142 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11143 -funwind-tables and -fexceptions to enable frame info.
11144 (dwarf2out_frame_init): Define initial CFA even if
11145 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11146 DWARF2_UNWIND_INFO is nonzero, not just defined.
11147 (dwarf2out_frame_finish): Output non-EH call frame info only
11148 if DWARF2_FRAME_INFO is nonzero.
11149 (convert_cfa_to_loc_list,
11150 compute_frame_pointer_to_cfa_displacement): Define even if
11151 unwind info is not supported.
11152 (gen_subprogram_die): Use the above unconditionally. Remove
11153 legacy alternate code.
11154 * toplev.c (compile_file): Compile in call to
11155 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11156 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11158 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11159 Jakub Jelinek <jakub@redhat.com>
11161 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11162 IBM extended float format long double as "g" on powerpc*-linux.
11164 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11167 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11168 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11170 2006-02-03 Jason Merrill <jason@redhat.com>
11173 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11175 PR middle-end/25977
11176 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11177 on the return slot if it's an NRV.
11179 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11181 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11182 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11183 rewrite_use): Do not handle USE_OUTER.
11184 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11185 add_iv_outer_candidates, may_replace_final_value,
11186 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11187 (find_interesting_uses_op): Functionality of
11188 find_interesting_uses_outer_or_nonlin moved here.
11189 (find_interesting_uses_outside): Use find_interesting_uses_op.
11191 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11194 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11196 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11197 Ulrich Weigand <uweigand@de.ibm.com>
11200 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11201 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11202 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11203 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11205 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11206 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11207 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11208 Define secondary reloads for TFmode moves.
11209 (constant_modes): Add TFmode.
11210 (NR_C_MODES): Set to 8.
11211 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11213 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11214 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11215 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11216 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11217 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11218 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11219 (FPR mode macro): Add TFmode.
11220 (DSF mode macro): New.
11221 (<de>, <dee> mode attributes): Removed.
11222 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11223 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11224 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11225 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11226 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11227 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11228 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11229 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11230 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11231 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11232 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11233 "*negabs<mode>2", "sqrt<mode>2"):
11234 Changed <de> to <xde>. R constraint replaced by <Rf>.
11235 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11237 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11238 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11239 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11241 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11242 "extenddftf2", "extendsftf2"): New expanders.
11243 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11244 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11245 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11246 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11248 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11249 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11250 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11251 __floatditf): Add a GCC_4.1.0 symbol version tag.
11252 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11255 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11258 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11259 Use targetm.binds_local_p instead of TREE_PUBLIC.
11261 2006-02-02 Roger Sayle <roger@eyesopen.com>
11263 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11264 on INTEGER_TYPEs to indicate that it denotes a character type.
11265 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11266 signed_char_type_node, unsigned_char_type_node and char_type_node.
11267 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11268 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11269 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11271 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11272 Daniel Berlin <dberlin@dberlin.org>
11274 * tree-tailcall.c (arg_needs_copy_p): New function.
11275 (eliminate_tail_call): Use arg_needs_copy_p.
11276 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11277 (add_virtual_phis): New function.
11279 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11281 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11282 #ignore instead of #scratch for %g7 .register directive.
11284 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11286 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11289 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11291 * flow.c (calculate_global_regs_live): Assert that there aren't any
11294 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11296 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11297 what its name says.
11298 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11299 bsi_after_labels iterator.
11300 * tree-if-conv.c (find_phi_replacement_condition,
11301 replace_phi_with_cond_modify_expr): Likewise.
11302 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11303 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11305 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11307 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11309 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11312 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11313 array after growing it.
11315 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11317 PR middle-end/24901
11318 * fold-const.c (fold_checksum_tree): Change type of buf.
11320 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11322 * reload.c (push_secondary_reload): Initialize t_icode.
11324 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11326 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11327 -msoft-float -mlong-double-128 only issue a warning, but don't
11328 swich to DFmode long double.
11330 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11332 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11333 has a constant equivalent, iterate over equivalents for arg0,
11334 calling simplify_relational_operation and if there's a result
11335 cheaper than X, apply fold_rtx and return the result.
11337 2006-02-01 Jan Hubicka <jh@suse.cz>
11339 * opts.c (no_unit_at_a_time_default): New global variable.
11340 (decode_options): Use it.
11341 * opts.h (no_unit_at_a_time_default): Declare.
11343 2006-02-01 Paul Brook <paul@codesourcery.com>
11345 * function.c (assign_parm_setup_reg): Use function argument promotion
11347 * expr.c (expand_expr_real_1): Use function argument promotion rules
11350 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11352 * gcc.c (process_command): Change j to 'unsigned int'.
11354 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11356 PR middle-end/26001
11357 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11358 Use the corrected index for the character
11359 out of the string constant.
11361 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11363 * mode-switching.c (optimize_mode_switching): Fix size
11364 allocated for bb_info[n_entities].
11366 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11368 * gcc.c (main): Correct type that is allocated for
11369 explicit_link_files.
11371 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11373 * config/s390/s390.c (init_alignment_context): Set
11374 ALIAS_SET_MEMORY_BARRIER on the MEM.
11375 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11377 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11379 PR middle-end/25933
11380 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11382 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11385 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11387 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11388 * regrename.c: Ditto.
11389 * tree-ssa-loop-im.c: Ditto.
11390 * tree-dump.c: Ditto.
11391 * tree-complex.c: Ditto.
11392 * genrecog.c: Ditto.
11393 * tree-ssa-threadupdate.c: Ditto.
11395 * java/class.c: Ditto.
11396 * java/jcf-parse.c: Ditto.
11397 * java/resource.c: Ditto.
11398 * java/except.c: Ditto.
11399 * java/jvspec.c: Ditto.
11400 * java/jcf-write.c: Ditto.
11401 * java/jcf-path.c: Ditto.
11402 * java/gjavah.c: Ditto.
11403 * java/zextract.c: Ditto.
11404 * java/jcf-io.c: Ditto.
11405 * java/jcf.h: Ditto.
11406 * java/buffer.c: Ditto.
11407 * java/lang.c: Ditto.
11408 * java/parse-scan.y: Ditto.
11409 * java/lex.c: Ditto.
11410 * java/lex.h: Ditto.
11411 * cfgloopmanip.c: Ditto.
11412 * postreload-gcse.c: Ditto.
11413 * tree-ssa-loop-manip.c: Ditto.
11414 * postreload.c: Ditto.
11415 * tree-ssa-loop-ch.c: Ditto.
11418 * cppspec.c: Ditto.
11419 * diagnostic.c: Ditto.
11421 * genoutput.c: Ditto.
11423 * cfghooks.c: Ditto.
11424 * cfgloopanal.c: Ditto.
11425 * objc/objc-act.c: Ditto.
11427 * genextract.c: Ditto.
11428 * genautomata.c: Ditto.
11429 * pretty-print.c: Ditto.
11430 * genemit.c: Ditto.
11431 * cgraphunit.c: Ditto.
11433 * df-scan.c: Ditto.
11434 * haifa-sched.c: Ditto.
11435 * dominance.c: Ditto.
11437 * tree-ssa-loop-ivopts.c: Ditto.
11438 * df-core.c: Ditto.
11439 * mode-switching.c: Ditto.
11440 * modulo-sched.c: Ditto.
11442 * ipa-pure-const.c: Ditto.
11444 * fix-header.c: Ditto.
11446 * tree-stdarg.c: Ditto.
11447 * ipa-utils.c: Ditto.
11448 * loop-init.c: Ditto.
11449 * ipa-inline.c: Ditto.
11450 * cfganal.c: Ditto.
11452 * alloc-pool.c: Ditto.
11453 * dwarf2out.c: Ditto.
11455 * genattrtab.c: Ditto.
11456 * tree-ssa-loop-ivcanon.c: Ditto.
11457 * predict.c: Ditto.
11458 * timevar.c: Ditto.
11460 * fortran/gfortranspec.c: Ditto.
11461 * regmove.c: Ditto.
11462 * local-alloc.c: Ditto.
11463 * langhooks.c: Ditto.
11464 * function.c: Ditto.
11465 * tree-vectorizer.c: Ditto.
11467 * ipa-type-escape.c: Ditto.
11469 * tree-if-conv.c: Ditto.
11470 * profile.c: Ditto.
11472 * tree-data-ref.c: Ditto.
11473 * loop-unroll.c: Ditto.
11474 * treelang/treetree.c: Ditto.
11476 * bt-load.c: Ditto.
11477 * ggc-common.c: Ditto.
11479 * coverage.c: Ditto.
11481 * tree-cfgcleanup.c: Ditto.
11482 * tree-ssa-pre.c: Ditto.
11483 * cfgcleanup.c: Ditto.
11484 * loop-invariant.c: Ditto.
11485 * loop-iv.c: Ditto.
11486 * ipa-prop.c: Ditto.
11487 * print-tree.c: Ditto.
11488 * conflict.c: Ditto.
11489 * ggc-page.c: Ditto.
11490 * sched-deps.c: Ditto.
11491 * regclass.c: Ditto.
11492 * tree-object-size.c: Ditto.
11493 * combine.c: Ditto.
11494 * bb-reorder.c: Ditto.
11495 * resource.c: Ditto.
11496 * var-tracking.c: Ditto.
11497 * cfgloop.c: Ditto.
11498 * df-problems.c: Ditto.
11499 * reg-stack.c: Ditto.
11501 * gccspec.c: Ditto.
11502 * sched-rgn.c: Ditto.
11503 * tree-ssa-structalias.c: Ditto.
11504 * tree-ssa-reassoc.c: Ditto.
11505 * config/darwin-c.c: Ditto.
11506 * config/darwin.c: Ditto.
11507 * config/arm/arm.c: Ditto.
11509 * collect2.c: Ditto.
11510 * reload1.c: Ditto.
11512 2006-01-31 Nicolas Pitre <nico@cam.org>
11514 * arm.md (smaxsi3): Make aware of smax_m1.
11517 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11519 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11521 2006-01-31 Richard Guenther <rguenther@suse.de>
11523 * doc/invoke.texi (-msselibm): Document.
11524 * target.h (expand_library_builtin): New target hook.
11525 * builtins.c (expand_builtin): Use expand_library_builtin.
11526 (default_expand_library_builtin): New function.
11527 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11528 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11529 (link_gcc_math_spec): Declare.
11530 (static_specs): Add link_gcc_math_spec.
11531 * expr.h (default_expand_library_builtin): Declare.
11532 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11533 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11534 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11535 * config/i386/i386.opt (msselibm): New target option.
11536 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11537 (ix86_init_sse_abi_builtins): New function.
11538 (ix86_expand_library_builtin): Likewise.
11539 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11540 (override_options): Handle error conditions wrt -msselibm.
11541 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11542 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11543 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11546 2006-01-31 Richard Guenther <rguenther@suse.de>
11547 Paolo Bonzini <bonzini@gnu.org>
11549 * doc/install.texi (--disable-libgcc-math): Document.
11551 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11553 * expr.h (expand_normal): new inline function.
11554 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11555 * dojump.c: use it.
11556 * dwarf2out.c: use it.
11559 * expmed.c: use it.
11560 * except.c: use it.
11561 * config/sparc/sparc.c: use it.
11562 * config/i386/i386.c: use it.
11563 * config/rs6000/rs6000.c: use it.
11564 * config/arm/arm.c: use it.
11565 * config/mips/mips.c: use it.
11566 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11568 2006-01-30 Roger Sayle <roger@eyesopen.com>
11570 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11571 argv to the appropriate type.
11573 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11575 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11578 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11581 * config/s390/s390.c (struct machine_function): New flag
11582 decomposed_literal_pool_addresses_ok_p.
11583 (s390_reorg): Set it before final stage of literal pool transforms.
11584 (s390_decompose_address): Only accept displacements of the form
11585 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11587 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11589 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11590 the comparison routine return.
11592 2006-01-30 Michael Matz <matz@suse.de>
11594 * global.c (find_reg): Only evict for global regs.
11595 Take n_refs into account and dump more info.
11597 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11600 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11601 (pragma_trap, pragma_nosave_low_regs): Likewise.
11602 (current_function_anonymous_args): Likewise.
11603 (sh_deferred_function_attributes): New variable.
11604 (sh_deferred_function_attributes_tail): Likewise.
11605 (print_operand): For '@', look up trap_exit attribute.
11606 (calc_live_regs): Look up trapa_handler attribute. For trapa
11607 handlers, save/restore fpscr, but don't do any other
11608 interrupt-specific saves.
11609 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11610 Fix check for partially saved registers to check for SHmedia.
11611 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11612 (sh_output_function_epilogue): Don't clear any of the removed
11614 (sh_insert_attributes): Don't check pragma_interrupt.
11615 Insert deferred attributes. Check that interrupt attribute is
11616 present for other attributes that require its presence.
11617 (sh_attribute_table): Add new attributes trapa_handler and
11619 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11620 Don't check for pragma_interrupt. Don't store argument.
11621 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11622 (sh_deferred_function_attributes): Declare.
11623 (sh_deferred_function_attributes_tail): Likewise.
11624 * sh.md (sp_switch_1): Add operand. Change generator caller.
11625 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11626 (*return_i): Don't use when trap_exit attribute is in effect.
11627 (*return_trapa): New insn pattern.
11628 * sh-c.c: New file.
11629 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11630 setting c_target_objs and cxx_target_objs.
11631 * t-sh: Add rule for sh-c.o.
11633 2006-01-30 Richard Guenther <rguenther@suse.de>
11636 * gimplify.c (gimplify_target_expr): Handle easy cases
11637 without creating a temporary.
11639 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11641 * vec.h (safe_grow): Remove duplicated line.
11643 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11646 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11647 (expand_omp): ... here.
11648 (expand_omp_parallel): Only remove barriers for combined
11649 parallel+workshare constructs.
11651 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11655 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11656 * tree.c (build_qualified_type): Chain the new type to the original
11657 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11658 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11659 (build_pointer_type_for_mode): Only return unqualified types.
11660 (build_reference_type_for_mode): Likewise.
11662 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11664 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11665 * Makefile.in (CXX_COMPAT_WARN): Define.
11666 * configure: Regenerate.
11668 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11671 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11674 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11676 * toplev.c: Fix thinko.
11678 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11679 Marcin Dalecki <martin@dalecki.de>
11681 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11682 (push_srcloc): Use XNEW.
11683 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11685 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11687 * df-core.c (df_set_blocks): Deleted all variable.
11689 2006-01-28 Ian Lance Taylor <ian@airs.com>
11691 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11692 cgraph_output_pending_asms.
11694 2006-01-28 Zack Weinberg <zackw@panix.com>
11696 * c.opt: Add -W(no-)overlength-strings.
11697 * doc/invoke.texi: Document it.
11698 * c-opts.c (c_common_handle_option): -pedantic implies
11699 -Woverlength-strings, if not explicitly disabled already.
11700 (c_common_post_options): -Woverlength-strings defaults to off, and
11701 is always off for C++.
11702 * c-common.c (fix_string_type): Issue warning about strings longer
11703 than is portable only if warn_overlength_strings. Rearrange code
11704 a little for clarity.
11705 * configure.in: Check for -Wno-overlength-strings as well before
11706 enabling -pedantic in stage 1.
11707 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11708 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11710 * genconditions.c (write_header, write_one_condition)
11711 (write_conditions, write_writer): Consolidate very long strings
11712 that were broken up to fit in C89 portable limit. Don't use
11713 printf when fputs will do.
11715 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11717 * combine.c (simplify_comparison <AND>): Check
11718 TRULY_NOOP_TRUNCATION before start using a subreg.
11720 * config/mips/mips.md (*branch_zero<mode>,
11721 *branch_zero<mode>_inverted, *branch_equality<mode>,
11722 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11723 Remove mode check from comparisons.
11725 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11727 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11729 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11731 * expmed.c (const_mult_add_overflow_p): Remove.
11732 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11734 * recog.c (validate_replace_rtx_subexp): Remove.
11735 * recog.h: Remove the prototype for
11736 validate_replace_rtx_subexp.
11738 * integrate.h: Remove the prototype for
11739 copy_decl_for_inlining.
11740 * rtl.h: Remove the prototype for mark_constant_function.
11741 * tree-vectorizer.h: Remove the prototype for
11742 vect_strip_conversion.
11744 * modulo-sched.c (create_partial_schedule,
11745 free_partial_schedule, reset_partial_schedule): Make them
11748 * hooks.c (hook_bool_rtx_int_false): Remove.
11749 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11751 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11753 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11754 and -mlong-double-128 are incompatible.
11755 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11756 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11757 (TARGET_LIBGCC2_CFLAGS): Define.
11758 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11759 (TARGET_LIBGCC2_CFLAGS): Same.
11760 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11762 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11765 * c-typeck.c (build_binary_op): Perform implicit casts of
11766 operands before shortening them.
11768 * cfgloopmanip.c (split_loop_bb): Remove.
11769 * cfgloop.h: Remove the prototype for split_loop_bb.
11771 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11772 * cfgloop.h: Remove the prototype for
11773 flow_loop_outside_edge_p.
11775 * emit-rtl.c (init_virtual_regs): Make it static.
11776 * function.h: Remove the prototype for init_virtual_regs.
11778 * recog.c (peephole2_optimize): Make it static.
11779 * recog.h: Remove the prototype for peephole2_optimize.
11781 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11783 * df-scan.c (df_record_entry_block_defs): Check if
11784 INCOMING_RETURN_ADDR_RTX is defined.
11786 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11787 Kenneth Zadeck <zadeck@naturalbridge.com>
11789 PR rtl-optimization/24762
11790 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11791 * targhooks.c (hook_void_bitmap): New hook prototype.
11792 * targhoohs.h (hook_void_bitmap): Ditto.
11793 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11794 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11795 * target.h (live_on_entry): New function pointer.
11796 * df-scan.c (df_all_hard_regs): Removed.
11797 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11798 (df_scan_free_internal): Added df->entry_block_defs.
11799 (df_scan_alloc): Ditto.
11800 (df_scan_dump): Ditto.
11801 (df_uses_record): Plumbed flag field properly thru calls.
11802 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11803 This part fixes PR24762.
11804 (df_bb_refs_record): Added code to make the frame and arg
11805 pointers live in EH blocks.
11806 (df_refs_record): Added call to df_record_entry_block_defs.
11807 (df_record_entry_block_defs): New function.
11808 * df-core.c: Added comments to describe new artifical defs.
11809 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11810 (entry_block_defs): New field in struct df.
11811 (df_all_hard_regs): Deleted.
11812 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11813 * df-problems.c (df_ru_bb_local_compute_process_def):
11814 Added code to handle artifical defs in the entry to a function.
11815 (df_ru_bb_local_compute): Ditto.
11816 (df_rd_bb_local_compute_process_def): Ditto.
11817 (df_rd_bb_local_compute): Ditto.
11818 (df_lr_bb_local_compute): Ditto.
11819 (df_ur_bb_local_compute): Ditto.
11820 (df_urec_bb_local_compute): Ditto.
11821 (df_chain_create_bb): Ditto.
11822 (df_ur_local_finalize): Removed entry.
11823 (df_urec_init): Ditto.
11824 (df_urec_local_finalize): Ditto.
11825 (df_ri_bb_compute): Added detection of last use of pseudos.
11826 * Makefile.in (df-scan.o): Updated dependencies.
11827 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11828 * config/mips/mips.c (mips_set_live_on_entry): Added.
11829 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11831 * dce.c (marked_insn_p): Added code to handle artifical defs.
11833 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11835 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11837 (_mm_cvtsi128_si64): Likewise.
11838 (_mm_cvtsd_si64): Likewise.
11839 (_mm_cvttsd_si64): Likewise.
11840 (_mm_cvtsi64_sd): Likewise.
11841 (_mm_cvtsi64_si128): Likewise.
11842 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11843 (_mm_cvtsi64_m64): Likewise.
11844 (_m_to_int64): Likewise.
11845 (_mm_cvtm64_si64): Likewise.
11846 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11847 (_mm_cvttss_si64): Likewise.
11848 (_mm_cvtsi64_ss): Likewise.
11849 (_mm_cvtss_f32): Likewise.
11851 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11853 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11854 for pragma redefine_extname.
11856 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11859 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11860 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11861 -mno-minimal-toc to previous content.
11862 (bispecs): Remove goal.
11863 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11864 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11865 compatibility aliases on powerpc-*-*gnu*.
11866 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11867 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11868 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11869 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11870 (ldblspecs): New goal.
11871 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11872 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11874 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11875 L_sf_to_tf or L_df_to_tf is defined.
11877 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11878 Alan Modra <amodra@bigpond.net.au>
11881 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11882 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11883 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11884 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11885 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11886 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11887 (rs6000_override_options): Initialize rs6000_ieeequad.
11888 Initialize TFmode format to ibm_extended_format if not
11890 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11892 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11893 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11894 (function_arg_advance): IBM long double passed in two FPRs, not
11896 (function_arg): IBM long double passed in FPRs.
11897 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11898 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11899 Only multireg GPR aligned.
11900 (rs6000_init_libfuncs): Enable IBM long double functions if not
11902 (rs6000_generate_compare): Use IBM long double compare if not
11904 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11905 (TARGET_IEEEQUAD): Define.
11906 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11907 not TARGET_IEEEQUAD.
11908 * config/rs6000/rs6000.md: Enable TFmode patterns if
11910 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11911 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11912 and -mlong-double-128 are incompatible.
11913 * doc/invoke.texi (-mabi): Collect options together. Add
11914 ibmlongdouble and ieeelongdouble.
11916 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11918 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11920 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11921 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11922 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11923 * rtl.h (rtunion_def): Remove rt_ptr.
11925 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11926 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11927 * config/i386/winnt.c (i386_pe_mark_dllexport)
11928 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11930 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11932 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11934 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11938 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11939 pthread_key_delete. From John David Anglin. gthrw-ify
11940 pthread_getunique_np only if it it's not a macro. Delete
11942 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11943 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11944 __gthread_objc_condition_signal, __gthread_key_delete): Add
11945 "__attribute__ ((__unused__))" to unused arguments.
11946 (__gthread_recursive_mutex_init_function): Add missing return.
11947 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11948 gthr-posix95.h: Use macro-based approach for name redirection
11949 on targets missing weakref.
11951 2006-01-26 Zack Weinberg <zackw@panix.com>
11953 * genconditions.c (write_header): In generated code, #ifdef out
11954 all includes and fake declarations, except includes of bconfig.h
11955 and system.h, unless GCC_VERSION >= 3001. Do not include
11956 gensupport.h in any case.
11957 (write_conditions): Generate a definition of struct c_test. Add
11958 a comment to the generated #endif.
11959 (write_one_condition): Escape backslashes in string too.
11960 (write_writer): Generated code must escape backslashes and quote
11961 marks (but not newlines) in the strings it writes.
11962 * Makefile.in (build/gencondmd.o): Update dependencies.
11964 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11967 * Makefile.in (insn-automata.o): Add header file dependencies.
11968 * genautomata.c: Add includes.
11970 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11973 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11975 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11977 * configure.ac: Expect target tools paths to be passed from the toplevel
11978 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11980 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11982 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11985 * c.opt (Wpointer-sign): Init to -1.
11986 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11987 OPT_pedantic, to 0 otherwise.
11988 * doc/invoke.texi: Update.
11990 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11992 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11993 constants provided by 80387 instructions in the destination mode.
11995 2006-01-26 Richard Guenther <rguenther@suse.de>
11996 Andrew Pinski <pinskia@physics.uc.edu>
11999 partial PR tree-opt/17064
12000 * tree-ssa-structalias.c (intra_create_variable_infos):
12001 Create heap variables for incoming parameters if
12002 flag_argument_noalias > 1.
12003 (find_what_p_points_to): Look through default defs of
12006 2006-01-26 Jeff Law <law@redhat.com>
12009 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12010 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12011 within the VR_RANGE, use the VR_RANGE as the result, not the
12013 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12014 bounds for the type.
12016 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12018 * tree-ssa-alias.c (maybe_create_global_var): Change
12019 subvar walking to an assertion that we don't have subvar'd variables.
12021 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12024 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12025 Use a new variable, inner. PARM_DECLs are always non-weak.
12027 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12029 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12030 --disable-checking.
12032 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12034 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12036 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12038 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12039 (smax_insn, smin_insn, smax_0, smin_0): New.
12041 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12044 * config/cris/cris.c (cris_order_for_addsi3): New function.
12045 * config/cris/cris-protos.h: Prototype it.
12046 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12047 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12048 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12049 (split for "op.S1 [rx=rx+i],ry (swapped)")
12050 (split for "op(s|u).S1 [rx=rx+i],ry")
12051 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12052 Apply cris_order_for_addsi3 when generating addsi3 insns.
12054 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12056 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12057 (TREE_BLOCK): Add call to EXPR_CHECK.
12059 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12062 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12063 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12064 (dump_omp_clauses): ... here.
12065 (dump_generic_node): Handle OMP_CLAUSE.
12066 * tree.c (omp_clause_num_ops): New.
12067 (omp_clause_code_name): New.
12068 (tree_code_size): Handle OMP_CLAUSE.
12069 (tree_size): Likewise.
12070 (make_node): Document handling of OMP_CLAUSE.
12071 (tree_node_structure): Handle OMP_CLAUSE.
12072 (omp_clause_check_failed): New.
12073 (omp_clause_range_check_failed): New.
12074 (omp_clause_operand_check_failed): New.
12075 (build_omp_clause): New.
12076 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12077 * tree.h (enum omp_clause_code): Declare.
12078 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12079 (OMP_CLAUSE_RANGE_CHECK): Define.
12080 (OMP_CLAUSE_ELT_CHECK): Define.
12081 (omp_clause_check_failed): Declare.
12082 (omp_clause_operand_check_failed): Declare.
12083 (omp_clause_range_check_failed): Declare.
12084 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12085 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12086 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12087 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12088 (OMP_CLAUSE_IF_EXPR): Likewise.
12089 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12090 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12091 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12092 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12093 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12094 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12095 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12096 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12097 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12098 (OMP_CLAUSE_CODE): Define.
12099 (OMP_CLAUSE_SET_CODE): Define.
12100 (OMP_CLAUSE_CODE): Define.
12101 (OMP_CLAUSE_OPERAND): Define.
12102 (struct tree_omp_clause): Declare.
12103 (union tree_node): Add field 'omp_clause'.
12104 * treestruct.def (TS_OMP_CLAUSE): Define.
12105 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12106 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12107 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12108 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12109 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12110 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12111 (OMP_CLAUSE): Define.
12112 * print-tree.c (print_node): Handle OMP_CLAUSE.
12113 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12114 * c-typeck.c: Likewise.
12115 * gimplify.c: Likewise.
12116 * c-omp.c: Likewise.
12117 * tree-nested.c: Likewise.
12118 * tree-inline.c: Likewise.
12119 * c-parser.c: Likewise.
12120 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12123 2006-01-25 Roger Sayle <roger@eyesopen.com>
12125 PR rtl-optimization/25703
12126 * combine.c (try_combine): Handle zero_extract and strict_low_part
12127 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12129 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12131 * global.c: Fix comment typos.
12133 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12136 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12137 Use output_addr_const instead of assemble_name.
12139 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12141 * Makefile.in (sched-vis.o): Update dependencies.
12142 * haifa-sched.c (sched_finish): Clear current_sched_info.
12143 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12144 (dump_flow_info): Call it.
12145 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12147 * basic-block.h (dump_bb_info): Declare.
12148 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12149 option, and apply options only for dump files whose TDF_RTL,
12150 TDF_TREE, or TDF_IPA bits match.
12151 * rtl.h: Declare new functions exported from sched-vis.c.
12152 * sched-vis.c: Enable also if scheduling is not used.
12153 (print_value): Print the mode of registers if not inside scheduling.
12154 (print_insn): Make it work outside the scheduler. Beautify the output
12156 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12158 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12160 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12161 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12162 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12163 depending on the value of CONSTANT_POOL_ADDRESS_P.
12164 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12166 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12167 rather than SYMBOL_REF_DECL.
12168 (rtx_constant_pool): Remove const_rtx_sym_htab.
12169 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12170 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12171 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12172 Remove handling of const_rtx_sym_htab.
12173 (find_pool_constant): Delete.
12174 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12175 rather than find_pool_constant.
12176 (get_pool_constant_for_function): Delete.
12177 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12178 find_pool_constant.
12179 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12180 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12181 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12182 (SYMBOL_REF_CONSTANT): New macro.
12183 (get_pool_constant_for_function): Delete.
12184 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12185 rather than SYMBOL_REF_DECL.
12186 (i386_pe_mark_dllimport): Likewise.
12187 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12188 rather than SYMBOL_REF_DECL.
12189 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12190 (machopic_indirect_call_target): Likewise.
12192 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12194 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12196 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12198 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12200 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12202 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12204 2006-01-24 David Daney <ddaney@avtrex.com>
12207 * configure.ac (enable_tls): New enable option.
12208 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12209 * configure: Regenerate.
12210 * doc/install.texi (--enable-tls): Document new option.
12211 (--disable-tls): Ditto.
12213 2006-01-24 Richard Henderson <rth@redehat.com>
12215 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12216 * alias.c (true_dependence): Respect it.
12217 (canon_true_dependence, write_dependence_p): Likewise.
12218 * builtins.c (get_builtin_sync_mem): Set it.
12220 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12222 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12225 2006-01-24 DJ Delorie <dj@redhat.com>
12227 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12228 for storing constants in single-bit bitfields.
12230 2006-01-25 Ben Elliston <bje@au.ibm.com>
12232 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12234 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12237 * tree-ssa-pre.c (phi_translate): Return NULL
12238 for AGGREGATE_TYPE's.
12240 2006-01-24 Zack Weinberg <zackw@panix.com>
12242 * genautomata.c (process_state_for_insn_equiv_partition):
12243 Use xcalloc for insn_arcs_array.
12244 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12245 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12247 2006-01-24 Richard Henderson <rth@redhat.com>
12249 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12250 update all callers.
12252 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12254 PR rtl-optimization/25890
12255 PR rtl-optimization/25905
12256 * combine.c (expand_compound_operation, expand_field_assignment):
12257 Fail if the bitfield's final position is out of bounds.
12259 2006-01-24 Ian Lance Taylor <ian@airs.com>
12261 PR middle-end/25930
12262 * cgraphunit.c (cgraph_output_in_order): Don't clear
12263 cgraph_asm_nodes until after asm strings have been output.
12265 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12267 * fix-header.c (read_scan_file): Add new parameter imultilib when
12268 calling register_include_chains.
12270 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12272 * omp-low.c: Update documentation.
12274 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12275 Daniel Berlin <dberlin@dberlin.org>
12279 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12280 return from the function.
12282 2006-01-22 Zack Weinberg <zackw@panix.com>
12284 * rtl.def (match_code): Add second argument.
12285 * genpreds.c (write_extract_subexp): New function.
12286 (write_match_code): Add path argument. Use write_extract_subexp.
12287 (write_predicate_expr): Pass path to write_match_code.
12288 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12289 not perform a mode test.
12290 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12291 a subexpression does not constrain the top-level code set.
12292 * read-rtl.c (read_rtx_variadic): New function.
12293 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12294 * doc/md.texi: Document new notation.
12295 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12296 (cmpsi_operand): ... here, using new notation.
12298 2006-01-22 Zack Weinberg <zackw@panix.com>
12300 * varray.c: Remove GENERATOR_FILE #ifdefs.
12302 2006-01-22 Zack Weinberg <zackw@panix.com>
12304 * genautomata.c (output_reserved_units_table): Emit nothing if
12305 description->query_units_num is zero. Remove extra blank line.
12306 (output_cpu_unit_reservation_p): Short circuit
12307 if description->query_units_num is zero.
12309 2006-01-22 Zack Weinberg <zackw@panix.com>
12311 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12312 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12313 nor any of the random handful of variables that used to be necessary
12314 when this program was linked with rtlanal.o. Prune set of forward
12315 function declarations.
12316 (struct attr_desc): Remove static_p field.
12317 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12318 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12319 (attr_string): Do not read the character one past the length of
12321 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12322 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12323 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12324 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12325 (make_automaton_attrs): New.
12326 (main): Do not call into genautomata. Call local gen_bypass
12327 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12328 Remove special case for insn_alts.
12329 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12330 varray.h (leftover from previous change). Prune set of forward
12331 function declarations. Remove state_alts fields from all
12332 structures. Remove state_alts_table from struct automaton.
12333 Make everything except main static. Do not maintain num_dfa_decls.
12334 Do not maintain state_alts fields of various structures.
12335 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12336 (add_arc): Remove state_alts argument. All callers updated.
12337 (output_reserved_units_table): Emit #ifdef here...
12338 (output_tables): ...not here. Don't generate state_alts tables.
12339 (expand_automata): Don't generate attributes.
12340 (write_automata): Don't generate state_alts functions.
12341 (main): New function.
12342 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12343 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12344 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12345 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12346 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12347 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12348 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12349 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12351 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12352 * genattrtab.h: Delete file.
12353 * Makefile.in (OBJS-common): Add insn-automata.o.
12354 (insn-automata.o): New rule.
12355 (simple_generated_c): Add insn-automata.c.
12356 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12357 (genprogmd): Add automata.
12358 (build/genattrtab): Needs no extra objects nor libraries.
12359 (build/genautomata): Needs build/vec.o and -lm.
12361 2006-01-22 Zack Weinberg <zackw@panix.com>
12363 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12364 (output_dfa_max_issue_rate, locked_states_num): Delete.
12365 (struct automaton): Add locked_states field.
12366 (output_dead_lock_vect): Save number of locked states in
12367 automaton->locked_states. If it is zero, don't print anything.
12368 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12369 (output_internal_dead_lock_func): Only test the dead_lock_vect
12370 for automata that have locked states.
12371 (output_statistics): Always print the number of locked states for
12372 each automaton. Calculate total number of locked states here.
12373 (write_automata): Don't call output_dfa_max_issue_rate.
12374 * genattrtab.c: Define length_unit_log as a const variable.
12375 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12376 max_insn_queue_index const.
12377 * final.c (length_unit_log): Declare const.
12378 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12380 2006-01-22 Zack Weinberg <zackw@panix.com>
12382 * genautomata.c: Include vec.h, not varray.h.
12383 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12384 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12385 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12386 VEC_* macros operating on appropriately typed vectors, or to
12387 malloced arrays when the size is known in advance. Const-ify
12388 many char* variables and function arguments. No functional changes.
12389 * Makefile.in (build/varray.o): Delete rule.
12390 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12391 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12393 2006-01-22 Zack Weinberg <zackw@panix.com>
12395 * gensupport.c: Define get_insn_name and record_insn_name here.
12396 (read_md_rtx): Call record_insn_name as appropriate.
12397 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12398 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12399 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12401 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12402 (BUILD_VARRAY): Delete.
12403 (genprognormal): Rename genprogmd. Fold in all programs from
12404 genprognoprint; also attrtab.
12405 (build/genattrtab): Just mention genautomata.o and varray.o.
12406 Reorganize a bit, add comments to make the categories clearer.
12408 2006-01-22 Zack Weinberg <zackw@panix.com>
12410 * genconditions.c (condition_table, add_condition): Delete.
12411 (write_conditions): Don't emit n_insn_conditions nor
12412 insn_elision_unavailable. Issue the gcc version #ifdef here,
12413 inside the table, with no #else clause ...
12414 (write_header): ...not here.
12415 (write_writer): New function.
12416 (main): Don't initialize condition_table. Use add_c_test.
12418 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12419 files on the command line.
12420 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12421 Return -1 if there is no entry in the table, don't abort.
12422 (add_c_test, traverse_c_tests): New functions.
12423 * gensupport.h (insn_elision_unavailable, insn_conditions)
12424 (n_insn_conditions): Delete declarations.
12425 (add_c_test, traverse_c_tests): Declare.
12426 * read-rtl.c: Include gensupport.h.
12427 (read_conditions): New function.
12428 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12429 (read_rtx_1): If we get EOF when we were looking for an initial
12430 open paren, return 0. Call read_conditions when appropriate.
12431 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12432 dummy-conditions.o. Eliminate references to insn-conditions.o,
12433 or change them to build/gencondmd.o, as appropriate. Remove
12434 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12435 from $(simple_generated_c). For all files remaining in those
12436 two lists, add insn-conditions.md to the generator command line.
12437 Give insn-constants.h/s-constants their own rules. Add rules
12438 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12439 (build/read-rtl.o): Depend on gensupport.h.
12440 (genprognormal): Include preds.
12441 (genprogearly): Rename genprognoprint; only difference is now that
12442 they don't link with $(BUILD_PRINT).
12443 * dummy-conditions.c: Delete.
12445 2006-01-22 Zack Weinberg <zackw@panix.com>
12447 * genextract.c: Don't include insn-config.h. Do include vec.h.
12448 Declare vectors of int, char, and locstr.
12449 (locstr): New typedef.
12450 (struct extraction): Make all array fields into bare pointers.
12451 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12452 (insn_code_number): Delete.
12453 (accum_extract): New struct.
12454 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12455 (gen_insn): Take insn_code_number as an argument. Use an
12456 accum_extract structure instead of loading data directly into
12457 a struct extraction, and having to know how big it might get.
12458 (walk_rtx): Operate entirely on an accum_extract structure.
12459 (print_path): Avoid unnecessary use of printf.
12460 (print_header): New function, split out of main. Distinguish
12461 more carefully between an unrecognizable insn and an insn that
12462 has the code number of a define_expand.
12463 (main): Pass insn_code_number to gen_insn. Call print_header
12464 only after parsing. Avoid unnecessary use of printf.
12465 * Makefile.in (build/vec.o): New rule.
12466 (build/genextract): Depend on build/vec.o.
12467 (build/genextract.o): Don't depend on insn-config.h.
12469 2006-01-22 Zack Weinberg <zackw@panix.com>
12471 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12472 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12473 practical. Eliminate per-generator-program link rules.
12475 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12477 PR middle-end/24437
12478 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12479 with a call expr to ...
12480 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12482 2006-01-23 Richard Guenther <rguenther@suse.de>
12484 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12485 before make_edge with conditional EDGE_TRUE_VALUE.
12487 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12488 Jan Hubicka <jh@suse.cz>
12489 Richard Guenther <rguenther@suse.de>
12491 PR rtl-optimization/25654
12492 * cfgexpand.c (aggregate_contains_union_type): New function.
12493 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12494 for structure variables that contain a union type.
12496 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12498 * gengtype.c (new_structure): Return the structure.
12499 (create_option): Add an extra "next" argument.
12500 (create_field): New function.
12501 (adjust_field_rtx_def): Use create_option and create_field.
12502 Remove a now-unnecessary call to find_structure.
12503 (adjust_field_tree_def): Likewise.
12504 (note_yacc_type): Remove an unnecessary call to find_structure.
12505 * gengtype.h (new_structure): Return the structure.
12506 (create_option): Add an extra argument.
12507 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12508 (option): Adjust calls to create_option.
12510 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12512 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12514 2006-01-22 Paul Brook <paul@codesourcery.com>
12515 Peter Barada <peter@the-baradas.com>
12517 * config/m68k/m68k.md: Add Coldfire FPU support.
12518 Define FP mode macro and associated attributes.
12519 Use it for float mode patterns.
12520 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12521 (LIBCALL_VALUE): Use m68k_libcall_value.
12522 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12523 (m68k_function_value): Ditto.
12524 (emit_move_sequence): Ditto.
12525 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12526 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12527 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12528 (MULTILIB_EXCEPTIONS): Ditto.
12529 * config/m68k/m68k.opt: Add mcfv4e.
12530 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12531 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12532 (m68k_output_function_prologue): Save ColdFire FPU registers.
12533 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12534 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12535 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12536 ColdFire FPU registers.
12537 (m68k_libcall_value, m68k_function_value): New functions.
12538 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12539 (LIBCALL_VALUE): Use m68k_libcall_value.
12540 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12541 (MASK_COLDFIRE): Add MASK_CFV4E.
12542 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12543 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12544 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12545 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12546 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12547 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12548 * doc/invoke.tex: Document -mcfv4e on m68k.
12550 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12552 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12555 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12558 * c-opts.c (c_common_handle_option): Don't include
12559 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12560 * doc/invoke.texi (C++ Dialect Options): Document that
12561 -Wnon-virtual-dtor is no longer included in -Wall.
12563 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12565 * gcov.c (print_version), gcov-dump.c (print_version),
12566 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12569 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12571 * df-scan.c (problem_SCAN): Added NULL reset function.
12572 (df_scan_reset_blocks): Added code to call reset block function
12573 (df_bb_refs_delete) Fixed comment.
12574 (df_insn_refs_delete): Made tolerant of deleting non existent info
12575 for dataflow problems that need to be reset.
12576 * df-core.c (df_set_blocks): Ditto.
12577 * df.h (struct df_problem): Added reset_fun.
12578 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12579 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12580 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12581 functions to clear out all references to def-use or use-def chains.
12583 2006-01-21 Ben Elliston <bje@au.ibm.com>
12585 * varasm.c (assemble_real): Initialise data array.
12587 2006-01-20 Paul Brook <paul@codesourcery.com>
12589 Merge from csl-arm-branch.
12590 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12591 * config/arm/arm.md (movdi): Force operands[1] to a register
12592 if we have a non-register source.
12593 (*arm_movdi, *movdf_soft_insn): Require that one of the
12594 operands be a register.
12595 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12596 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12598 2006-01-20 DJ Delorie <dj@redhat.com>
12600 * varasm.c (initializer_constant_valid_p): Allow pointers
12601 initialized from integer constants of lesser precision.
12602 (output_constant): Allow non-int-sized pointer modes to be
12603 initialized from integer constants.
12605 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12608 * cppdefault.h (struct default_include): Add multilib flag.
12609 * cppdefault.c (cpp_include_defaults): Set it.
12610 * c.opt (-imultilib): New option.
12611 * c-opts.c (imultilib): New.
12612 (c_common_handle_option): Handle -imultilib.
12613 (c_common_post_options): Likewise.
12614 * c-incpath.c (add_standard_paths, register_include_chains):
12616 * c-incpath.h (register_include_chains): Add extra parameter.
12617 * gcc.c (do_spec_1): Generate -imultilib option.
12618 (The Specs Language): Update %I description.
12619 (process_command): Update copyright notice.
12620 * doc/cppopts.texi (-imultilib): Document.
12621 * doc/invoke.texi (-imultilib): Include in option summary.
12622 (%I): Update specs documentation.
12624 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12626 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12628 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12630 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12633 2006-01-20 Richard Guenther <rguenther@suse.de>
12634 Steven Bosscher <stevenb.gcc@gmail.com>
12636 PR rtl-optimization/24626
12637 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12638 EDGE_TRUE_VALUE if in RTL mode.
12641 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12642 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12644 2006-01-20 Dirk Mueller <dmueller@suse.com>
12647 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12648 instead of a special NOP marker.
12649 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12650 NOP marker handling.
12651 * c-common.h (empty_body_warning): Add forward declaration.
12652 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12653 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12655 2006-01-20 Paul Brook <paul@codesourcery.com>
12657 * Makefile.in (lang_checks): Keep going if mkdir fails.
12659 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12661 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12662 be able to clean out basic block when not necessary.
12663 (df_scan_free): Fixed to properly delete information if df is
12664 unused before calling df_finish.
12665 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12666 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12668 (df_bb_refs_delete): New function.
12669 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12670 * df-core.c (df_set_blocks): Added code to properly clean out
12671 unused blocks if they are not part of the blocks to consider.
12672 Added additional null check.
12673 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12674 be able to clean out basic block when not necessary
12675 * df.h (df_free_bb_function): Ditto.
12676 (df_bb_refs_delete): New function.
12677 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12678 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12679 basic block parameter to be able to clean out basic block when not
12681 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12682 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12683 Fixed to properly delete information if df is unused before
12686 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12688 PR rtl-optimization/25799
12689 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12690 Corrected confluence operator to remove bits from op2 before oring
12691 with op1 rather than removing bits from op1.
12692 (df_ru_transfer_function): Corrected test on wrong bitmap which
12693 caused infinite loop. Both of these problems were introduced in
12694 the dataflow rewrite.
12696 2006-01-19 DJ Delorie <dj@redhat.com>
12698 * reload1.c (find_reload_regs): Note the details of reload
12699 failures in the dump file.
12700 (spill_failure): Likewise.
12702 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12704 * loop-iv.c: Include df.h and hashtab.h.
12705 (enum iv_grd_result): New enum.
12706 (DF_REF_IV, DF_REF_IV_SET): New macros.
12707 (struct biv_entry): New.
12708 (df, bivs): New global variables.
12709 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12710 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12712 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12713 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12714 analyzed_for_bivness_p, record_biv): New functions.
12715 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12716 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12717 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12719 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12721 (iv_number_of_iterations): Use new interface to iv analysis.
12722 * loop-unroll.c: Do not include varray.h.
12723 (analyze_iv_to_split_insn): Use new interface to iv
12725 * loop-unswitch.c (may_unswitch_on): Ditto.
12726 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12728 (df_bb_modify): Realloc tables to the new index.
12729 (df_find_use): New function.
12730 * df.h (df_find_use): Declare.
12731 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12733 * cfgloop.h (struct rtx_iv): Remove analysed field.
12734 (iv_get_reaching_def): Removed.
12735 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12736 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12737 (loop-iv.o): Add df.h and hashtab.h dependency.
12738 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12740 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12743 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12745 (__floatundisf, __floatundidf): Likewise.
12746 * libgcc2.h (IS_IBM_EXTENDED): Define.
12748 2006-01-19 DJ Delorie <dj@redhat.com>
12750 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12752 2006-01-19 Paul Brook <paul@codesourcery.com>
12754 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12755 as nothrow when unwinding tables are disabled.
12757 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12760 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12761 of bit-field" when in system header.
12763 2006-01-19 DJ Delorie <dj@redhat.com>
12765 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12766 the 16 bit shift limit of the m16c.
12768 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12771 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12772 * config/i386/i386.c (output_set_got): Output the label if we have one
12773 for the TARGET_DEEP_BRANCH_PREDICTION case.
12775 2006-01-19 Jan Hubicka <jh@suse.cz>
12776 H.J. Lu <hongjiu.lu@intel.com>
12777 Evandro Menezes <evandro.menezes@amd.com>
12779 * invoke.texi (generic): Document
12781 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12782 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12783 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12784 (x86_use_incdec, x86_pad_returns): New variables
12785 (TARGET_CPU_DEFAULT_generic): New constant
12786 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12787 (enum processor_type): Add generic32 and generic64.
12788 * i386.md (cpu attribute): Add generic32/generic64
12789 (movhi splitter): Behave sanely when both partial_reg_dependency and
12790 partial_reg_stall are set.
12791 (K8 splitters): Enable for generic as well.
12792 * predicates.md (incdec_operand): Use TARGET_INCDEC
12793 (aligned_operand): Avoid memory mismatch stalls.
12794 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12795 * ppro.md: Enable for generic32
12796 * i386.c (generic64_cost, generic32_cost): New.
12797 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12798 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12799 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12800 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12801 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12802 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12803 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12804 x86_accumulate_outgoing_args, x86_prologue_using_move,
12805 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12806 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12807 Enable for generic.
12808 (x86_use_incdec, x86_pad_returns): New.
12809 (override_options): Add generic32 and generic64, translate "generic"
12810 to generic32/generic64 and "i686" to "generic32", refuse
12811 "generic32"/"generic64" as arch target.
12812 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12813 (ix86_reorg): Honor PAD_RETURNS.
12815 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12817 * tree-pretty-print.c (dump_generic_node): Handle
12818 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12819 * cgraph.c (cgraph_expand_queue): Rename from
12820 cgraph_analyze_queue. Update all users.
12821 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12822 cgraph_expand_queue.
12823 (cgraph_expand_all_functions): Likewise.
12824 (cgraph_finalize_pending_functions): Remove. Update callers.
12826 * tree.h (OMP_DIRECTIVE_P): Define.
12827 (OMP_PARALLEL_FN): Define.
12828 (OMP_PARALLEL_DATA_ARG): Define.
12829 (OMP_SECTIONS_SECTIONS): Define.
12830 * tree-pass.h (pass_expand_omp): Declare.
12831 * omp-low.c (struct omp_region): Declare.
12832 (struct omp_context): Remove fields 'parallel_type',
12833 'parallel_start_ix' and 'parallel_start_additional_args'.
12835 (struct omp_for_data): Rename from struct expand_omp_for_data.
12836 (omp_regions): New static variable.
12837 (root_omp_region): New static variable.
12838 (find_omp_clause): Make static.
12839 (is_in_combined_parallel_ctx): Remove.
12840 (is_combined_parallel): New.
12841 (extract_omp_for_data): Move earlier in the file.
12842 (workshare_safe_to_combine_p): New.
12843 (get_ws_args_for): New.
12844 (determine_parallel_type): Move earlier in the file.
12845 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12847 (omp_copy_decl): Likewise.
12848 (create_omp_child_function): Likewise.
12849 (lookup_omp_region): New.
12850 (dump_omp_region): New.
12851 (debug_omp_region): New.
12852 (debug_all_omp_regions): New.
12853 (new_omp_region): New.
12854 (scan_omp_parallel): If parallel_nesting_level > 1, the
12855 directive is nested within another parallel directive.
12856 Set OMP_PARALLEL_FN.
12857 (scan_omp_for): Do not try to handle combined parallel+for
12859 Remove FIXME comment.
12860 (scan_omp_nested): Remove.
12861 (scan_omp_1): Do not call scan_omp_nested when
12862 parallel_nesting_level is > 1.
12863 Do not change the DECL_CONTEXT of local variables found.
12864 (lookup_decl_in_outer_ctx): New.
12865 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12866 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12867 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12868 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12869 If CTX is nested, lookup VAR in the outer context when
12870 building copy assignment.
12871 (lower_send_clauses): Rename from expand_send_clauses.
12872 If CTX is nested, lookup VAR in the outer context when
12873 building copy assignments.
12874 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12875 If CTX is nested, lookup VAR in the outer context when
12876 building copy assignments.
12877 (expand_parallel_call): Rename from build_parallel_call.
12878 Handle combined parallel+workshare cases.
12879 Re-implement to emit code into the CFG.
12881 (expand_omp_parallel): Re-implement to emit code into the CFG.
12882 Call move_sese_region_to_fn to outline the sub-graph
12883 containing the parallel region.
12884 (expand_omp_for_1): Remove.
12885 (expand_omp_for_generic): Re-implement to emit code into the
12887 (expand_omp_for_static_nochunk): Likewise.
12888 (expand_omp_for_static_chunk): Likewise.
12889 (expand_omp_for): Likewise.
12890 (expand_omp_sections): Likewise.
12891 (remove_exit_barriers): New.
12892 (expand_omp_synch): New.
12894 (build_omp_regions_1): New.
12895 (build_omp_regions): New.
12896 (execute_expand_omp): New.
12897 (gate_expand_omp): New.
12898 (pass_expand_omp): Define.
12899 (lower_omp_sections): Rename from expand_omp_sections.
12900 Set OMP_SECTIONS_SECTIONS.
12901 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12902 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12903 (lower_omp_single): Rename from expand_omp_simple.
12904 (lower_omp_master): Rename from expand_omp_master.
12905 (lower_omp_ordered): Rename from expand_omp_ordered.
12906 (lower_omp_critical): Rename from expand_omp_critical.
12907 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12908 (lower_omp_for): Re-implement.
12909 (lower_omp_parallel): Re-implement.
12910 (lower_regimplify): Rename from expand_regimplify.
12911 (lower_omp_1): Rename from expand_omp_1.
12912 If there are syntax errors in the program, replace every
12913 OpenMP directive with NOP.
12914 Call lower_omp_* instead of expand_omp_*.
12915 (lower_omp): Rename from expand_omp.
12917 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12918 * tree-gimple.h (enum omp_parallel_type): Remove.
12919 (gimple_boolify): Declare extern.
12920 (find_omp_clause, determine_parallel_type): Remove.
12922 * gimple-low.c (lower_omp_directive): New.
12923 (lower_stmt): Call it.
12924 (record_vars_into): Move from ...
12925 (record_vars): ... here.
12926 Call record_vars_into with current_function_decl.
12928 * gimplify.c (struct gimplify_ctx): Remove fields
12929 combined_pre_p and combined_ctxp. Update users.
12930 (get_formal_tmp_var): Add documentation.
12931 (gimple_boolify): Make extern.
12932 (gimplify_expr_in_ctx): Remove. Update callers.
12933 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12934 will always be a BIND_EXPR.
12935 (gimplify_expr): Handle OMP_RETURN_EXPR.
12936 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12937 (OMP_PARALLEL): Add 3 operands.
12938 (OMP_SECTIONS): Add 1 operand.
12939 (OMP_RETURN_EXPR): Define.
12941 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12942 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12943 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12944 creating a circular free list.
12945 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12947 * tree-flow.h (move_sese_region_to_fn): Declare.
12948 (record_vars_into): Declare.
12949 * tree-cfg.c (make_omp_sections_edges): New.
12950 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12951 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12952 OMP_SECTIONS and OMP_SECTION.
12953 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12954 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12955 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12956 (gather_blocks_in_sese_region): New.
12957 (struct move_stmt_d): Declare.
12958 (move_stmt_r): New.
12959 (move_block_to_fn): New.
12960 (move_sese_region_to_fn): New.
12962 * passes.c (init_optimization_passes): Schedule
12963 pass_expand_omp after pass_init_datastructures.
12965 * tree-ssa-operands.c (get_expr_operands): Handle
12966 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12967 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12969 2006-01-19 Jeff Law <law@redhat.com>
12971 * tree-vrp.c (extract_range_from_assert): Refine the result range
12972 if the variable referenced by the ASSERT_EXPR has a range and
12973 either the tentative result range or the previous range is a
12976 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12978 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12980 2006-01-19 Jan Hubicka <jh@suse.cz>
12982 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12984 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12986 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12987 (expand_compound_operation, expand_field_assignment): Fail if the
12988 bit lengths of an extract operation are out of range.
12989 (make_extraction): Compute wanted_inner_mode based on the position
12990 and length of the extraction. Make it extraction_mode for non-constant
12991 positions, and do not modify offset in that case. When generating a
12992 new MEM, use a mode that can hold the extraction while keeping correct
12993 alignment. Remove code that supported MEMs wrapped by USEs.
12994 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12996 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12998 * config/s390/s390.md ("Y", "y"): New mode attribute.
12999 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13000 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13001 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13002 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13003 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13004 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13005 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13006 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13007 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13008 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13009 "addsi3", "subsi3"): Insn patterns removed.
13010 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13011 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13012 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13013 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13014 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13015 "*sub<mode>3_cconly2"): New insn patterns.
13016 ("addsi3", "subsi3"): New expanders.
13018 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13020 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13021 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13022 existing STMT_VINFO_VECTYPE if available.
13023 (vect_mark_relevant): Add special handling for stmts that are
13024 marked as STMT_VINFO_IN_PATTERN_P.
13025 (vect_analyze_loop): Call vect_pattern_recog.
13026 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13027 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13029 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13030 (vect_recog_func_ptr): New function-pointer type.
13031 * tree-vect-patterns.c: New file.
13032 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13033 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13034 (vect_pattern_recog_1): New functions.
13035 (vect_pattern_recog_funcs): New array of function pointers.
13037 * tree-vectorizer.h (ternary_op): New enum value.
13038 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13039 declaration. Revised documentation. Removed redundant dump prints.
13040 Removed redundant argument. Added support for reduction patterns.
13041 (vectorizable_reduction): Added support for reduction patterns.
13042 (vect_transform_stmt): Added support for patterns.
13044 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13045 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13046 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13047 (expand_widen_pattern_expr): New function.
13048 (init_optabs): Initialize new optabs udot_prod_optab,
13050 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13051 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13052 (expand_widen_pattern_expr): New function declaration.
13053 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13055 * tree-inline.c (estimate_num_insns_1): Added cases for new
13056 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13057 * tree-pretty-print.c (dump_generic_node): Likewise.
13058 (op_prio): Likewise.
13059 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13060 * tree-ssa-operands.c (get_expr_operands): Added case for
13062 * tree-vect-patterns.c (widened_name_p): New function.
13063 (vect_recog_dot_prod_pattern): Added function implementation.
13064 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13065 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13066 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13067 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13069 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13070 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13071 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13072 (init_optabs): Initialize new optabs widen_ssum_optab,
13074 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13075 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13076 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13077 use instead of type of def.
13078 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13079 function implementation.
13080 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13081 widen_ssumv8hi): New.
13083 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13086 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13089 * c-decl.c (add_flexible_array_elts_to_size): New function.
13090 (finish_decl): Use it.
13092 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13094 * diagnostic.h: Include options.h.
13095 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13096 dependancies for diagnostic.h.
13097 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13099 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13101 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13102 (ssa_ro_call_cache_valid): Ditto.
13103 * tree-ssa-alias.c (sort_tags_by_id): New function.
13104 (init_transitive_clobber_worklist): Ditto.
13105 (add_to_worklist): Ditto.
13106 (mark_aliases_call_clobbered): Ditto.
13107 (compute_tag_properties): Ditto.
13108 (set_initial_properties): Ditto.
13109 (compute_call_clobbered): Ditto.
13110 (compute_may_aliases): Call compute_call_clobbered and grouping.
13111 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13112 (compute_flow_insensitive_aliasing): Grouping now happens in our
13114 (setup_pointers_and_addressables): Remove clobbering related code.
13115 (add_may_alias): Ditto.
13116 (replace_may_alias): Ditto.
13117 (get_nmt_for): Ditto.
13118 (create_global_var):
13119 (is_escape_site): Return an escape_type enumeration.
13120 * tree-flow-inline.h (is_call_clobbered): Global var does not
13121 imply call clobbered.
13122 (mark_call_clobbered): Take a reason for marking this. Remove
13123 marking of globalness, and cache invalidation.
13124 (clear_call_clobbered): Remove cache invalidation code.
13125 * tree-dfa.c (dump_variable): If details is on, dump the reason
13127 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13129 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13130 (struct var_ann_d): Ditto.
13131 (enum escape_type): New.
13132 (mark_call_clobbered): Adjust prototype.
13133 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13134 are never call clobbered.
13135 Record reasons for escaping.
13136 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13137 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13138 (ssa_ro_call_cache_valid): Ditto.
13139 (clobbered_v_may_defs): Ditto.
13140 (clobbered_vuses): Ditto.
13141 (ro_call_vuses): Ditto.
13142 (clobber_stats): New.
13143 (init_ssa_operands): Zero out clobber stats.
13144 (fini_ssa_operands): Print out clobber stats.
13145 (get_call_expr_operands): Pass callee fndecl to
13146 add_call_read_ops).
13147 (add_call_clobber_ops): Remove use of cache.
13148 Add use of PURE_CONST information.
13149 (add_call_read_ops): Remove use of cache.
13150 Add use of static not_read information.
13152 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13154 Introduce TLS descriptors for i386 and x86_64.
13155 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13156 (TARGET_ANY_GNU_TLS): New macro.
13157 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13158 (struct machine_function): Add tls_descriptor_call_expanded_p.
13159 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13160 (ix86_current_function_calls_tls_descriptor): Likewise.
13161 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13162 (override_options): Introduce gnu2 tls dialect.
13163 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13165 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13167 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13168 (ix86_init_machine_status): Initialize new field.
13169 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13170 (ix86_tls_module_base): New.
13171 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13172 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13173 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13174 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13175 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13176 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13177 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13178 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13179 * config/i386/predicates.md (tls_modbase_operand): New.
13180 (tp_or_register_operand): New.
13182 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13184 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13185 (look_for_address_of): Ditto.
13186 (ipa_init): Walk the function decls.
13187 (static_execute): Don't set readonly on FUNCTION_DECL's.
13189 2006-01-18 Roger Sayle <roger@eyesopen.com>
13191 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13192 for shifts where the source and destination registers are different.
13194 2006-01-18 Paul Brook <paul@codesourcery.com>
13196 Merge from csl-arm-branch.
13197 2005-03-14 Julian Brown <julian@codesourcery.com>
13198 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13199 (aeabi_llsl): Likewise.
13200 (ashrdi3): Likewise.
13201 (aeabi_lasr): Likewise.
13202 (lshrdi3): Likewise.
13203 (aeabi_llsr): Likewise.
13204 2005-03-10 Julian Brown <julian@codesourcery.com>
13205 * config.gcc: Disable shared libgcc for SymbianOS.
13206 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13208 2006-01-18 DJ Delorie <dj@redhat.com>
13210 * c-pragma.c (handle_pragma_diagnostic): New.
13211 (init_pragma): Register it.
13212 * doc/extend.texi: Document it.
13214 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13215 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13216 (diagnostic_context): Add classify_diagnostic[].
13217 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13218 as errors if they're overridden to DK_WARNING.
13219 (diagnostic_initialize): Initialize classify_diagnostic[].
13220 (diagnostic_set_kind_override): New.
13221 (diagnostic_report_diagnostic): Check for kind changes.
13222 * opts.c (common_handle_option): Take lang_mask. Update callers.
13223 Handle OPT_Werror_.
13224 * common.opt (Werror=): New.
13225 * doc/invoke.texi: Document -Werror=*
13227 2006-01-18 Jeff Law <law@redhat.com>
13229 * tree-vrp.c (test_for_singularity): Correct test for new
13230 min limit. Use operand_equal_p rather than pointer equality
13231 for testing if new min/max values are equal.
13233 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13234 using range information until after propagation and folding.
13236 2006-01-18 Richard Henderson <rth@redhat.com>
13237 Aldy Hernandez <aldyh@redhat.com>
13238 Jakub Jelinek <jakub@redhat.com>
13239 Diego Novillo <dnovillo@redhat.com>
13241 * omp-low.c: New file.
13242 * c-omp.c: New file.
13244 2006-01-18 Richard Henderson <rth@redhat.com>
13245 Jakub Jelinek <jakub@redhat.com>
13246 Diego Novillo <dnovillo@redhat.com>
13248 * doc/invoke.texi: Document -fopenmp.
13249 * tree-dump.h (debug_function): Declare.
13250 * hooks.c (hook_bool_tree_bool_false): New function.
13251 (hook_tree_tree_null): Remove.
13252 (hook_tree_tree_tree_null): New.
13253 * hooks.h: Update to match.
13254 * tree-pretty-print.c (debug_tree_chain): New.
13255 (print_generic_expr): Handle TDF_CHAIN.
13256 (dump_generic_node): Handle BLOCK.
13257 Do not abort with incomplete SWITCH_EXPRs.
13258 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13259 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13260 print space after directive name.
13261 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13262 Handle OMP_MASTER and OMP_ORDERED.
13263 Handle printing of OMP_BODY just in one place, goto
13264 dump_omp_body in the rest of OMP_* nodes that have
13266 Don't handle clause nodes here. Update omp statements to
13267 use dump_omp_clauses.
13268 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13269 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13270 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13271 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13272 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13273 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13274 Adjust output for GOMP_PARALLEL.
13275 (dump_omp_clauses): New.
13276 (print_declaration): Dump DECL_VALUE_EXPR.
13277 (op_symbol_1): Split out of op_symbol.
13278 (dumping_stmts): Remove. Update all users.
13279 * cgraph.c (cgraph_analyze_queue): New.
13280 (cgraph_add_new_function): New.
13281 * cgraph.h (cgraph_analyze_queue): Declare.
13282 (cgraph_add_new_function): Declare.
13283 (cgraph_lower_function): Remove.
13284 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13285 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13286 and TYPE_P nodes in its default clause.
13287 (empty_body_p): New.
13288 (tree_range_check_failed): New.
13289 (build5_stat): New.
13290 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13291 OMP_CLAUSE_REDUCTION_MERGE,
13292 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13293 OMP_CLAUSE_PRIVATE_DEBUG,
13294 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13295 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13296 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13297 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13298 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13299 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13300 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13301 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13302 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13303 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13304 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13305 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13306 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13307 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13308 (TREE_RANGE_CHECK): New.
13309 (empty_body_p): Declare.
13310 (enum omp_clause_default_kind): New.
13311 (build_string_literal): Declare.
13312 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13313 (build5_stat, build5): Declare.
13314 * tree-pass.h (TDF_CHAIN): Define.
13315 * tree-pass.h (PROP_gimple_lomp): Define.
13316 (pass_lower_omp): Declare.
13317 * diagnostic.h (debug_tree_chain): Declare.
13318 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13320 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13321 * builtins.c (build_string_literal): Make extern.
13322 * gcc.c (include_spec_function): New.
13323 (static_spec_functions): Add it.
13324 (main): Move load of libgomp.spec ...
13325 (LINK_COMMAND_SPEC): ... here.
13326 (link_gomp_spec): New.
13327 (static_specs): Include it.
13328 (LINK_COMMAND_SPEC): Add link_gomp.
13329 (GOMP_SELF_SPECS): New.
13330 (driver_self_specs): Include it.
13331 (switch_matches): Don't mark inline.
13332 (main): Load libgomp.spec.
13333 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13334 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13335 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13336 * tree-gimple.h (enum omp_parallel): Declare.
13337 (determine_parallel_type): Declare.
13338 (omp_firstprivatize_variable): Declare.
13339 (omp_reduction_init): Declare.
13340 (diagnose_omp_structured_block_errors): Declare.
13341 (struct walk_stmt_info): Add want_return_expr.
13342 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13343 (find_omp_clause): Declare.
13344 (insert_field_into_struct): Declare.
13345 (struct walk_stmt_info): Move from tree-nested.c
13346 (walk_stmts): Declare.
13347 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13349 * cgraphunit.c (cgraph_lower_function): Make static.
13350 (cgraph_finalize_pending_functions): New.
13351 (cgraph_finalize_function): Call it.
13352 (cgraph_finalize_compilation_unit): Likewise.
13353 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13354 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13355 (BT_FN_UINT_UINT): New.
13356 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13357 DEF_FUNCTION_TYPE_VAR_4): Document.
13358 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13359 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13360 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13361 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13362 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13363 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13364 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13365 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13366 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13367 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13368 into separate files.
13369 (DEF_GOMP_BUILTIN): New.
13370 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13371 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13372 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13373 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13374 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13375 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13376 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13377 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13378 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13379 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13380 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13381 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13382 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13383 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13384 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13385 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13386 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13387 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13388 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13389 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13390 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13391 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13392 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13393 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13394 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13395 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13396 * sync-builtins.def: New file, moved from builtins.def.
13397 * omp-builtins.def: New file, moved from builtins.def.
13398 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13399 * gimple-low.c (lower_function_body): Clear data.
13400 (lower_stmt): Do not handle COMPOUND_EXPR.
13401 Remove call to print_node_brief.
13402 * c-tree.h (c_finish_omp_clauses): New prototype.
13403 (C_DECL_THREADPRIVATE_P): Define.
13404 (lookup_name_no_remap, c_omp_remap_private): Remove
13405 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13406 (check_for_loop_decls): Update decl.
13407 (lookup_name_no_remap, c_omp_remap_private): Declare.
13408 (build_indirect_ref, build_modify_expr, pushdecl,
13409 pushdecl_top_level): Move to c-common.h.
13410 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13411 before the switch, but just in the 2 places that need it.
13412 * c-decl.c (diagnose_mismatched_decls): Do not check for
13413 mismatched thread-local attributes when OLDDECL is marked
13414 threadprivate and NEWDECL has no thread-local attributes.
13415 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13416 (c_gimple_diagnostics_recursively): Rename from
13417 c_warn_unused_result_recursively. Invoke
13418 diagnose_omp_structured_block_errors.
13419 (check_for_loop_decls): Return a singular decl found.
13420 * langhooks.c (lhd_omp_predetermined_sharing): Return
13421 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13422 (lhd_omp_firstprivatize_type_sizes): New.
13423 (lhd_omp_assignment): New.
13424 (lhd_omp_predetermined_sharing): New.
13425 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13426 (struct lang_hooks_for_types): Add
13427 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13428 omp_predetermined_sharing, omp_disregard_value_expr,
13429 omp_private_debug_clause, omp_clause_default_ctor,
13430 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13431 (c_finish_omp_clauses): New.
13432 (c_finish_bc_stmt): Diagnose break within omp for.
13433 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13434 (build_unary_op): Return error_mark after reporting
13436 (build_modify_expr): Likewise.
13437 * gimplify.c: Include optabs.h and pointer-set.h.
13438 (enum gimplify_omp_var_data): Declare.
13439 (struct gimplify_omp_ctx): Declare.
13440 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13442 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13443 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13444 (splay_tree_compare_decl_uid): New.
13445 (new_omp_context): New.
13446 (delete_omp_context): New.
13447 (gimple_add_tmp_var): Call omp_add_variable.
13448 (gimplify_bind_expr): Likewise.
13449 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13450 true, disregard DECL_VALUE_EXPR on the decl if any.
13451 (gimplify_expr_in_ctx): New.
13452 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13453 omp_add_variable, omp_notice_variable, omp_is_private
13454 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13455 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13456 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13457 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13458 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13459 gimplify_omp_atomic): New.
13460 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13461 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13462 OMP_CRITICAL and OMP_ATOMIC.
13463 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13464 * c-pragma.h (enum pragma_kind): Add
13465 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13466 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13467 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13468 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13469 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13470 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13471 PRAGMA_OMP_THREADPRIVATE.
13472 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13473 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13474 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13475 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13476 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13477 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13478 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13479 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13480 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13481 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13482 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13483 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13484 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13486 (struct nesting_info): Add field_map,
13487 suppress_expansion, debug_var_chain.
13488 (create_nesting_tree): Initialize them.
13489 (lookup_field_for_decl): Use field_map.
13490 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13491 (convert_local_omp_clauses): New.
13492 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13493 (walk_body): Split out of walk_function.
13494 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13495 (convert_nonlocal_reference): Handle omp statements.
13496 (convert_local_reference): Likewise.
13497 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13498 (unnest_nesting_tree): New.
13499 (lower_nested_functions): Call it.
13500 (insert_field_into_struct): Make extern.
13501 (struct walk_stmt_info): Move to tree-gimple.h.
13502 (walk_stmts): Make extern.
13503 * omp-builtins.def: New file.
13504 * tree-iterator.c (expr_only): Clarify comment.
13505 * c-common.h (pushdecl_top_level, pushdecl,
13506 build_modify_expr, build_indirect_ref,
13507 c_finish_omp_master, c_finish_omp_critical,
13508 c_finish_omp_ordered, c_finish_omp_barrier,
13509 c_finish_omp_atomic, c_finish_omp_flush,
13510 c_finish_omp_for, c_split_parallel_clauses,
13511 omp_clause_default_kind, c_omp_sharing_predetermined,
13512 c_omp_remap_decl): Declare.
13513 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13514 (OBJS-common): Add omp-low.o.
13515 (c-omp.o, omp-low.o): Add.
13516 (gimplify.o): Add dependency on $(OPTABS_H).
13517 (GTFILES): Add omp-low.c.
13518 (gt-stringpool.h): Add.
13519 * tree-cfg.c (set_bb_for_stmt): Do not update the
13520 block-to-labels map if we are currently expanding to RTL.
13521 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13523 Handle IDENTIFIER_NODE.
13524 (tree_verify_flow_info): Do not ICE when emitting error
13525 messages about invalid labels.
13526 (dump_function_to_file): Reset CFUN before emitting the body
13528 (debug_function): New.
13529 * passes.c (init_optimization_passes): Schedule
13531 * langhooks-def.h (lhd_omp_predetermined_sharing,
13532 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13534 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13535 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13536 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13537 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13538 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13539 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13540 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13541 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13542 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13543 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13544 (LANG_HOOK_DECLS): Use them.
13546 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13547 Richard Henderson <rth@redhat.com>
13548 Jakub Jelinek <jakub@redhat.com>
13549 Diego Novillo <dnovillo@redhat.com>
13551 * c-parser.c (pragma_omp_clause): Define.
13552 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13553 (c_parser_compound_statement): Likewise.
13554 (c_parser_statement): Likewise.
13555 (c_parser_pragma): Handle omp pragmas.
13556 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13557 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13558 (c_parser_omp_clause_name, check_no_duplicate_clause,
13559 c_parser_omp_variable_list,
13560 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13561 c_parser_omp_clause_copyprivate,
13562 c_parser_omp_clause_default,
13563 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13564 c_parser_omp_clause_lastprivate,
13565 c_parser_omp_clause_nowait,
13566 c_parser_omp_clause_num_threads,
13567 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13568 c_parser_omp_clause_reduction,
13569 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13570 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13571 c_parser_omp_atomic, c_parser_omp_barrier,
13572 c_parser_omp_critical, c_parser_omp_flush,
13573 c_parser_omp_for_loop, c_parser_omp_for,
13574 c_parser_omp_master, c_parser_omp_ordered,
13575 c_parser_omp_sections_scope, c_parser_omp_sections,
13576 c_parser_omp_parallel, c_parser_omp_single,
13577 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13578 * c-pragma.c (init_pragma): Do omp pragma registration here.
13579 * c.opt (fopenmp): New flag.
13581 2006-01-18 Eric Christopher <echristo@apple.com>
13583 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13584 * config/darwin.h (GOMP_SELF_SPECS): Define.
13586 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13588 * rtl.h: Remove the prototype for reg_alloc.
13590 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13593 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13594 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13595 sjlj and dwarf2 exception handling.
13596 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13597 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13598 * pa/pa.c (function_value): Treat complex and vector types as
13600 (function_arg): Likewise. Only pass scalar floats in the floating
13601 point argument registers.
13602 * pa/t-slibgcc-dwarf-ver: New file.
13603 * pa/t-slibgcc-sjlj-ver: New file.
13604 * pa/t-slibgcc-elf-ver: Delete file.
13606 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13608 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13609 unlikely_test_section_p test.
13611 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13613 * mode-switching.c (optimize_mode_switching): Make it static.
13614 * basic-block.h: Remove the prototype for
13615 optimize_mode_switching.
13617 * modulo-sched.c (sms_schedule): Make it static.
13618 * rtl.h: Remove the prototype for sms_schedule.
13620 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13621 * rtl.h: Remove the prototype for gcse_after_reload_main.
13623 * reg-stack.c (reg_to_stack): Make it static.
13624 * rtl.h: Remove the prototype for reg_to_stack.
13626 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13628 * rtl.h: Remove the prototypes for regrename_optimize and
13629 copyprop_hardreg_forward.
13631 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13633 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13634 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13635 Test against the appropriate null constant for the mode.
13636 If 'fixup_overlap' is true, swap the operands if they overlap.
13637 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13638 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13639 alpha_split_tmode_pair and adjust for above change.
13640 * config/alpha/alpha.md (movtf_internal): Adjust call to
13641 alpha_split_tfmode_pair and rely on it to swap the operands.
13642 (movti_internal): New insn and post-reload splitter.
13643 (movti): New expander.
13645 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13647 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13650 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13652 * rtlanal.c (global_reg_mentioned_p_1,
13653 global_reg_mentioned_p): Remove.
13654 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13656 * flow.c (initialize_uninitialized_subregs): Make it static.
13657 * rtl.h: Remove the prototype for
13658 initialize_uninitialized_subregs.
13660 * function.c (instantiate_virtual_regs): Make it static.
13661 * function.h: Remove the prototype for
13662 instantiate_virtual_regs.
13664 * regmove.c (regmove_optimize, combine_stack_adjustments):
13666 * rtl.h: Remove the prototypes for regmove_optimize and
13667 combine_stack_adjustments.
13669 2006-01-17 Roger Sayle <roger@eyesopen.com>
13671 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13672 (size_cost): Encode costs in bytes so that a reg-reg addition is
13673 equivalent to COSTS_N_INSNS(1).
13674 (override_options): Use the size_cost.branch_cost as the default
13675 ix86_branch_cost when optimizing for size.
13677 2006-01-18 Ben Elliston <bje@au.ibm.com>
13679 * Makefile.in (D32PBIT_FUNCS): New.
13680 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13681 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13682 D64PBIT_FUNCS and D128PBIT_FUNCS.
13683 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13684 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13686 (decnumber_dep): Define.
13687 * doc/libgcc.texi (Decimal float library routines): New node.
13688 * config/dfp-bit.h, config/dfp-bit.c: New files.
13690 2006-01-18 Ben Elliston <bje@au.ibm.com>
13692 * expr.c (emit_move_change_mode): Always adjust addresses, not
13693 just during reload. Copy replacements only during reload.
13694 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13695 emit_move_via_integer.
13697 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13699 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13700 instead of $(srcdir) and ${srcdir}.
13702 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13705 PR middle-end/11135
13706 * arm.h (struct machine_function): Add pic_reg.
13707 * arm.c (arm_pic_register): Make unsigned.
13708 (arm_override_options): Only set arm_pic_register if
13709 TARGET_SINGLE_PIC_BASE.
13710 (use_return_insn): Only test for a pic register if it is fixed.
13711 (arm_compute_save_reg0_reg12_mask): Likewise.
13712 (thumb_compute_save_reg_mask): Likewise.
13713 (legitimate_pic_operand): Factor out some known invariants.
13714 (legitimize_pic_address): If we don't have a fixed pic register,
13715 then set up a pseudo in the function entry sequence. Handle the
13716 pic base being in a pseudo.
13717 (arm_load_pic_register): Handle the pic register being in a pseudo.
13718 (arm_expand_prologue): Only set up the pic register if it is fixed.
13719 (thumb_expand_prologue): Likewise.
13720 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13721 (pic_load_addr_based_insn): Likewise.
13722 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13725 2006-01-18 Ben Elliston <bje@au.ibm.com>
13727 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13728 decimal float modes for all floating point registers.
13730 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13731 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13733 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13736 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13737 even when the pointer is not NULL.
13739 2006-01-16 Ian Lance Taylor <ian@airs.com>
13741 * common.opt (ftoplevel-reorder): New option.
13742 * cgraph.c (cgraph_asm_nodes): New global variable.
13743 (cgraph_asm_last_node): New static variable.
13744 (cgraph_order): New global variable.
13745 (cgraph_create_node): Set new order field.
13746 (cgraph_varpool_node): Likewise.
13747 (decide_is_variable_needed): Return true if not
13748 flag_toplevel_reorder.
13749 (cgraph_add_asm_node): New function.
13750 * cgraph.h (struct cgraph_node): Add order field.
13751 (struct cgraph_varpool_node): Add order field.
13752 (struct cgraph_asm_node): Define.
13753 (cgraph_asm_nodes, cgraph_order): Declare.
13754 (cgraph_add_asm_node): Declare.
13755 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13757 (cgraph_varpool_assemble_pending_decls): Call it.
13758 (cgraph_output_pending_asms): New static function.
13759 (cgraph_finalize_compilation_unit): Call it.
13760 (struct cgraph_order_sort): Define.
13761 (cgraph_output_in_order): New static function.
13762 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13763 !flag_toplevel_reorder case.
13764 * c-parser.c: Include "cgraph.h".
13765 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13767 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13768 than -fno-unit-at-a-time.
13769 * doc/invoke.texi (Option Summary): Mention
13770 -fno-toplevel-reorder.
13771 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13772 -funit-at-a-time documentation.
13774 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13775 Kazu Hirata <kazu@codesourcery.com>
13777 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13779 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13781 * Makefile.in (FUNCTION_H): New. Use it instead of
13782 function.h throughout the file.
13783 * function.h: Include tree.h.
13785 2006-01-17 Ben Elliston <bje@au.ibm.com>
13787 * recog.c: Separate some functions with whitespace.
13789 2006-01-16 Richard Henderson <rth@redhat.com>
13791 Merge from gomp branch:
13792 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13793 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13794 and rename from struct inline_data. Rename callee* to dst*;
13795 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13796 transform_new_cfg, transform_return_to_modify, and
13797 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13799 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13800 (copy_decl_for_dup): Remove.
13801 * tree-inline.c (struct inline_data): Move to header.
13802 (insert_decl_map): Export.
13803 (remap_decl): Update for member name changes. Use copy_decl hook.
13804 Allow for replacement to be a non-decl. Remove dead code.
13805 (remap_type_1): Check for existing mapping.
13806 (remap_type): Export.
13807 (remap_decls): Update for member name changes.
13808 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13809 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13810 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13811 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13812 (tree_function_versioning, build_duplicate_type): Likewise.
13813 (copy_body_r): Likewise. Export.
13814 (copy_decl_for_dup): Split into ...
13815 (copy_decl_for_dup_finish, copy_decl_to_var,
13816 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13817 (replace_ref_tree, inlining_p): Remove.
13819 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13821 * ifcvt.c (if_convert): Make it static.
13822 * rtl.h: Remove the prototype for if_convert.
13824 * local-alloc.c (local_alloc): Make it static.
13825 * rtl.h: Remove the prototype for local_alloc.
13827 * loop.c (loop_optimize): Make it static.
13828 * cfgloop.h: Remove the prototype for loop_optimize.
13831 2006-01-16 DJ Delorie <dj@redhat.com>
13833 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13836 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13838 * pa.md: Disparage copies between general and floating-point registers
13839 in 32-bit move patterns.
13841 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13844 * Makefile.in (check-%): Depend on site.exp instead of
13845 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13848 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13850 * global.c (global_alloc): Make it static.
13851 * rtl.h: Remove the prototype for global_alloc.
13853 2006-01-16 Richard Guenther <rguenther@suse.de>
13855 * tree-ssa-alias.c (struct used_part): Add write_only field.
13856 (get_or_create_used_part_for): Initialize it to true.
13857 (create_overlap_variables_for): Don't create structure variables
13858 for structures that only are written to.
13859 (find_used_portions): Handle MODIFY_EXPR to track whether a
13860 structure is only written to.
13862 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13864 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13866 * basic-block.h: Remove the prototype for
13867 partition_hot_cold_basic_blocks.
13869 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13871 * cppspec.c (lang_specific_spec_functions): Remove.
13872 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13873 * gcc.h (lang_specific_spec_functions): Remove.
13874 * gccspec.c (lang_specific_spec_functions): Remove.
13876 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13878 * combine.c (record_value_for_reg): Invalidate registers
13880 (record_dead_and_set_regs_1): Likewise, by passing them to
13881 record_value_for_reg.
13882 (record_dead_and_set_regs): Invalidate stores made by a
13883 call. We do not combine across a call, but we still
13884 relied on equivalences.
13886 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13888 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13889 vrp_int_const_binop returning non-constant nodes.
13891 2006-01-16 Paul Brook <paul@codesourcery.com>
13893 * config/m68k/m68k.c (output_move_const_into_data_reg):
13894 Output correct mnemonic for mvz and mvs.
13896 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13898 * rtl-factoring.c: Add sequence abstraction algorithm.
13899 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13900 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13902 (block_has_preserve_label): New function.
13903 * common.opt: Register new pass.
13904 * Makefile.in: Ditto.
13906 * timevar.def: Ditto.
13907 * tree-pass.h: Ditto.
13908 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13909 * rtl.h (make_jump_insn_raw): Add forward decl.
13910 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13912 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13913 Roger Sayle <roger@eyesopen.com>
13915 * fold-const.c (fold_minmax): New static function.
13916 (fold_binary) <MIN_EXPR>: Call it.
13917 <MAX_EXPR>: Likewise.
13918 * stor-layout.c (place_field): Use DECL_SIZE consistently
13919 in the computation of the new record size.
13921 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13923 * cse.c (cse_condition_code_reg): Make it static.
13924 * rtl.h: Remove the prototype for cse_condition_code_reg.
13926 * combine.c (combine_instructions): Make it static.
13927 * rtl.h: Remove the prototype for combine_instructions.
13929 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13932 * tree.c (get_file_function_name_long): Concatenate the first global
13933 object name with a string derived from the input filename of the object
13936 2006-01-16 Ben Elliston <bje@au.ibm.com>
13938 * config/i386/winnt-stubs.c: Update FSF address.
13939 * config/xtensa/ieee754-df.S: Ditto.
13940 * config/xtensa/ieee754-sf.S: Ditto.
13942 2006-01-14 Ian Lance Taylor <ian@airs.com>
13944 * ifcvt.c (noce_init_if_info): New static function, broken out of
13945 noce_process_if_block.
13946 (noce_process_if_block): Call noce_init_if_info.
13947 (check_cond_move_block): New static function.
13948 (cond_move_process_if_block): New static function.
13949 (process_if_block): Call cond_move_process_if_block.
13951 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13953 * cselib.c (hash_table): Rename to cselib_hash_table.
13954 (cselib_clear_table, discard_useless_values,
13955 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13956 cselib_init, cselib_finish): Adjust uses of hash_table.
13958 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13960 PR tree-optimization/25485
13961 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13962 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13963 is known to be false and true, respectively.
13965 2006-01-14 Richard Guenther <rguenther@suse.de>
13967 PR tree-optimization/22548
13968 PR tree-optimization/22555
13969 PR tree-optimization/22501
13970 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13971 * params.def (salias-max-array-elements): New parameter.
13972 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13973 * doc/invoke.texi (salias-max-array-elements): Document.
13974 * tree-flow-inline.h (var_can_have_subvars): We also handle
13976 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13978 * tree-ssa-structalias.c (params.h): Include.
13979 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13980 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13981 (get_constraint_for): For ADDR_EXPR operating on something
13982 containing an ARRAY_REF, add all subvars to the solution.
13983 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13984 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13985 for creating MUST_DEFs.
13986 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13988 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13990 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13992 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13993 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13994 number_of_iterations_le): New functions.
13995 (number_of_iterations_special): Removed.
13996 (number_of_iterations_exit): Do not use number_of_iterations_special.
13997 * tree.c (unsigned_type_for): Always return integer type.
13999 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14000 Richard Guenther <rguenther@suse.de>
14002 PR rtl-optimization/24257
14003 * gcse.c (find_moveable_store): Only consider a store movable
14004 when the SET_SRC of the insn can be assigned to a register.
14006 2006-01-14 Ian Lance Taylor <ian@airs.com>
14008 * tree.c (tree_not_class_check_failed): New function.
14009 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14010 (tree_not_class_check_failed): Declare.
14012 2006-01-13 Ian Lance Taylor <ian@airs.com>
14014 * reload1.c (do_output_reload): Add assertion rejecting a
14017 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14019 * combine.c (struct reg_stat): Add new fields truncation_label and
14021 (record_value_for_reg): Reset truncated_to_mode.
14022 (record_truncated_value): New function.
14023 (check_promoted_subreg): Call it. Rename to check_conversions.
14024 (combine_instructions): Rename check_promoted_subreg to
14026 (reg_truncated_to_mode): New function.
14027 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14028 (gen_lowpart_or_truncate): New function.
14029 (force_to_mode): Use it instead of gen_lowpart.
14031 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14033 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14034 VAR is a tag, not its type tag.
14036 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14038 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14039 alternatives to match style of other entries.
14040 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14042 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14044 PR tree-optimization/25771
14045 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14048 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14051 * tree-inline.c (declare_return_variable): If the return variable
14052 was marked as a non gimple complex, set the return slot variable
14053 to be a non gimple comple variable.
14055 2006-01-13 Richard Guenther <rguenther@suse.de>
14057 * builtins.c (expand_builtin_sincos): New function.
14058 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14060 (expand_builtin): Expand sincos using expand_builtin_sincos.
14062 2006-01-12 DJ Delorie <dj@redhat.com>
14064 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14065 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14066 so that constant shifts can be split.
14067 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14068 (m32c_valid_pointer_mode): Make static.
14069 (shift_gen_func_for): New.
14070 (m32c_prepare_shift): Use it. Split large const shifts into
14072 * config/m32c/predicates.md (shiftcount_operand): Allow more
14074 (longshiftcount_operand): New.
14075 * doc/md.texi (Machine Constraints): Document In6.
14077 2006-01-13 Ben Elliston <bje@au.ibm.com>
14079 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14080 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14083 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14085 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14086 to try to avoid clobbering pieces of structures when we know
14087 something about the whole structure.
14088 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14090 2006-01-13 Ben Elliston <bje@au.ibm.com>
14092 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14093 return in memory, as this is no limitation is no longer present.
14095 2006-01-12 DJ Delorie <dj@redhat.com>
14097 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14098 mova with fb, and for fb+0 -> An.
14100 * config/m32c/mov.md (peephole2): Fix enabling logic.
14102 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14103 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14104 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14105 FINI_ARRAY_SECTION_ASM_OP): Define.
14107 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14109 (m32c_legitimize_reload_address): New logic to reload FB to An.
14110 (m32c_output_reg_push): Add newline.
14111 (m32c_output_reg_pop): Likewise.
14113 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14115 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14117 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14119 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14121 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14123 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14126 2006-01-11 Ben Elliston <bje@au.ibm.com>
14128 * rtlanal.c (find_reg_note): Assert insn is not null.
14130 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14132 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14135 2006-01-11 Jeff Law <law@redhat.com>
14137 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14139 (mark_threaded_blocks, register_jump_thread): New functions.
14140 (thread_through_all_blocks): Remove unwanted argument. No
14141 longer rely on e->aux to communicate thread target info.
14142 Call mark_threaded_blocks. Release the threaded_blocks
14143 bitmap and threaded_edges vector when complete.
14144 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14145 (threaded_blocks): Remove.
14146 (tree_ssa_dominator_optimize): Remove initialization and
14147 finalization of threaded_blocks. Simplify call to
14148 thread_through_all_blocks.
14149 (thread_across_edge): Call register_jump_thread rather than
14150 storing thread information into e->aux.
14151 (free_all_edge_infos): Simplify now that e->aux is no longer
14152 used to communicate with thread_through_all_blocks.
14153 * tree-flow.h (thread_through_all_blocks): Update prototype.
14154 (register_jump_thread): Prototype.
14156 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14158 * df-core.c (df_compact_blocks, df_bb_replace): Use
14159 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14161 2006-01-11 Richard Guenther <rguenther@suse.de>
14163 PR tree-optimization/25734
14164 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14165 stop propagation after successful propagation to the LHS.
14167 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14169 * basic-block.h (control_flow_graph): Change the type of
14170 x_basic_block_info to VEC(basic_block,gc) *.
14171 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14173 (SET_BASIC_BLOCK): New.
14174 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14175 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14176 * cfgbuild.c (find_basic_blocks): Likewise.
14177 * cfglayout.c (fixup_reorder_chain): Likewise.
14178 * cfgrtl.c (create_basic_block_structure,
14179 rtl_create_basic_block): Likewise.
14180 * ifcvt.c (find_if_case_1): Likewise.
14181 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14184 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14186 * Makefile.in: Removed rotted odf.c entry.
14188 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14191 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14192 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14193 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14194 output pattern modifier, not %e.
14195 * config/cris/cris.c (cris_op_str): Update comment about pattern
14197 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14198 before falling through into...
14199 <case 'E'>: Redefined from old 'e' case.
14201 2006-01-11 Jan Hubicka <jh@suse.cz>
14204 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14206 2006-01-11 Jan Hubicka <jh@suse.cz>
14208 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14209 * i386.c (x86_decompose_lea): Kill.
14210 (ix86_rtx_costs): Kill.
14212 2006-01-11 Jan Hubicka <jh@suse.cz>
14214 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14215 * cgraph.h (cgraph_node): Add inline_decl.
14216 (cgraph_insert_node_to_hashtable): Declare.
14217 (save_inline_function_body): Declare.
14218 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14220 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14221 (cgraph_function_versioning): Update call of tree_function_versioning.
14222 (save_inline_function_body): New function.
14223 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14224 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14225 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14226 (cgraph_default_inline_p): Likewise.
14227 (cgraph_decide_inlining_incrementally): Likewise.
14228 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14229 (copy_bb): Kill saving; do updating of clones.
14230 (copy_cfg_body): Kill saving.
14231 (initialize_inlined-parameters): Likewise.
14232 (expand_call_inline): Likewise.
14234 (tree_function_versioning): New parameter "update_clones".
14235 (inlining_p): Kill saving.
14236 * tree-inline.h (tree_function_versioning): Update prototype.
14237 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14240 2006-01-11 Ian Lance Taylor <ian@airs.com>
14242 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14243 Allow undoing set of machine mode.
14244 (do_SUBST): Use enums instead of is_int.
14245 (do_SUBST_MODE): New function.
14246 (SUBST_MODE): New macro.
14247 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14248 reg and trying to replace reg_regno_rtx with a new register.
14249 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14250 (simplify_set): Use SUBST_MODE.
14251 (distribute_notes): Remove code that tried to update reg notes
14252 for regno_reg_rtx changes.
14254 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14256 PR tree-optimization/23109
14257 PR tree-optimization/23948
14258 PR tree-optimization/24123
14260 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14261 * tree-cfg.c (single_noncomplex_succ): New.
14262 * tree-flow.h (single_noncomplex_succ): Declare it.
14263 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14264 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14265 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14266 insert_bb, register_division_in, insert_reciprocals,
14267 replace_reciprocal, free_bb): New.
14268 (execute_cse_reciprocals_1): Rewritten.
14269 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14270 Do not commit any edge insertion. Always compute dominators and
14271 create the allocation pool.
14272 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14273 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14274 * targhooks.c (default_min_divistions_for_recip_mul): New.
14275 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14276 * passes.c (init_optimization_passes): Run recip after tree loop
14278 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14280 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14281 Kenneth Zadeck <zadeck@naturalbridge.com>
14283 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14284 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14285 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14286 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14287 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14288 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14289 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14290 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14291 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14292 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14293 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14294 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14295 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14296 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14297 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14298 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14299 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14300 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14301 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14302 DF_SCAN_POST_ALLOC): New macros.
14303 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14304 df_free_bb_function, df_local_compute_function, df_init_function,
14305 df_dataflow_function, df_confluence_function_0,
14306 df_confluence_function_n, df_transfer_function,
14307 df_finalizer_function, df_free_function, df_dump_problem_function,
14308 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14309 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14310 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14311 df_urec_bb_info, ) New types.
14312 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14314 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14315 df_analyze_simple_change_some_blocks,
14316 df_analyze_simple_change_one_block, df_compact_blocks,
14317 df_bb_replace, df_bb_regno_last_use_find,
14318 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14319 df_insn_regno_def_p, df_find_def, df_find_use,
14320 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14321 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14322 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14323 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14324 debug_df_chain, df_get_dependent_problem, df_chain_create,
14325 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14326 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14327 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14328 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14329 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14330 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14331 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14332 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14333 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14334 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14335 df_reorganize_refs, df_set_state, df_hard_reg_init,
14336 df_read_modify_subreg_p) New public functions.
14337 * df-core.c: The core dataflow solver and glue routines for rtl
14339 (df_init, df_add_problem, df_set_blocks, df_finish,
14340 df_hybrid_search_forward, df_hybrid_search_backward,
14341 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14342 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14343 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14344 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14345 df_reg_defined, df_find_use, df_reg_used, df_dump,
14346 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14347 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14348 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14349 debug_df_useno, reset_df_after_reload): New functions.
14350 * df-scan.c: The scanning fuctions, once in df.c, completely
14351 rewritten so that they now fully model the functionality of
14352 register usage at the backend.
14353 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14354 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14355 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14356 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14357 df_get_artificial_defs, df_get_artificial_uses,
14358 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14359 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14360 df_refs_delete, df_reorganize_refs, df_set_state,
14361 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14362 df_def_record_1, df_defs_record, df_uses_record,
14363 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14364 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14365 df_record_exit_block_uses, df_hard_reg_init): New functions.
14367 * df-problems.c: Seven concrete dataflow problems that use the
14368 scanning in df-scan.c and are solved by the engine in df-core.c.
14369 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14370 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14371 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14372 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14373 df_ru_free_bb_info, df_ru_alloc,
14374 df_ru_bb_local_compute_process_def,
14375 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14376 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14377 df_ru_transfer_function, df_ru_free, df_ru_dump,
14378 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14379 df_rd_free_bb_info, df_rd_alloc,
14380 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14381 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14382 df_rd_transfer_function, df_rd_free, df_rd_dump,
14383 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14384 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14385 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14386 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14387 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14388 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14389 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14390 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14391 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14392 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14393 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14394 df_urec_mark_reg_use_for_earlyclobber,
14395 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14396 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14397 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14398 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14399 df_chain_create_bb_process_use, df_chain_create_bb,
14400 df_chain_finalize, df_chain_free, df_chains_dump,
14401 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14402 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14403 df_reg_lifetime): New functions.
14404 * df.c: Deleted file.
14405 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14406 consistent with new df api.
14407 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14408 rest_of_handle_sms): Ditto.
14409 * web.c (unionfind_union, union_defs, entry_register, web_main):
14411 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14412 invariant_expr_equal_p, find_defs, check_dependencies,
14413 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14414 free_inv_motion_data, move_loop_invariants): Ditto.
14415 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14416 Update dependencies.
14417 (odf.c): Added defective entry that was deleted later in day.
14418 * sched-deps.c (sched_analyze_1): Ditto.
14420 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14422 * tree-ssa-operands.c (get_expr_operands): Record addressable
14423 variables directly. Do not call add_stmt_operands for CONST_DECLs
14425 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14426 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14428 2006-01-11 Ben Elliston <bje@au.ibm.com>
14430 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14431 function returns true in the positive case.
14433 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14436 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14437 for SI, DI, SF and DF modes. Add alternatives to copy between
14438 general and floating point registers to the 32-bit patterns.
14439 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14440 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14441 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14442 generating 64-bit code.
14443 * config/pa/pa.c (output_move_double): Handle copies between general
14444 and floating registers.
14446 2006-01-10 Stuart Hastings <stuart@apple.com>
14448 * config/i386/i386.md (set_got): Update.
14449 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14450 (builtin_setjmp_receiver): Mach-O support.
14451 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14452 (GOT_SYMBOL_NAME): Define.
14453 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14454 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14455 * config/i386/i386.c (override_options): Revise for Darwin.
14456 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14457 support. (darwin_x86_file_end): New. (output_set_got): Add label
14458 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14459 * config/i386/i386-protos.h (output_set_got): Likewise.
14460 * config/darwin.c (machopic_legitimize_pic_address): Update
14463 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14465 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14466 when MODE isn't BLKmode.
14468 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14470 PR rtl-optimization/25367
14471 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14473 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14476 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14477 for a negative bound.
14479 2006-01-10 Richard Guenther <rguenther@suse.de>
14481 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14482 Never override with anything constraint.
14484 2006-01-10 Jan Beulich <jbeulich@novell.com>
14486 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14487 256 bits when optimize_size.
14489 2006-01-10 Jan Beulich <jbeulich@novell.com>
14491 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14493 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14494 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14497 2006-01-10 Ben Elliston <bje@au.ibm.com>
14499 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14501 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14502 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14503 (USE_FP_FOR_ARG): Reject decimal float modes.
14504 (function_arg_advance): Likewise.
14505 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14506 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14507 point types in AltiVec vectors.
14508 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14509 (rs6000_libcall_value): Likewise.
14511 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14513 * config/xtensa/ieee754-df.S: New file.
14514 * config/xtensa/ieee754-sf.S: New file.
14515 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14516 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14517 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14519 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14521 * config/sh/predicates.md (binary_float_operator,
14522 binary_logical_operator, commutative_float_operator,
14523 equality_comparison_operator, greater_comparison_operator,
14524 less_comparison_operator, logical_operator,
14525 noncommutative_float_operator, shift_operator,
14526 symbol_ref_operand, unary_float_operator): Remove redundant
14529 2006-01-09 Jeff Law <law@redhat.com>
14531 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14532 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14533 now unused arguments. Callers updated.
14534 (eliminate_redundant_computations): Remove now unused arguments,
14536 (local_fold): Remove, no longer used.
14537 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14539 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14540 (simplify_cond): New function.
14541 (forward_propagate_into_cond): Call simplify_cond.
14543 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14545 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14546 (*vec_extractv2di_1_sse): New.
14548 2006-01-09 Ben Elliston <bje@au.ibm.com>
14550 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14552 2006-01-08 Richard Guenther <rguenther@suse.de>
14554 * tree-ssa-structalias.c (get_constraint_for): Remove
14555 anyoffset argument.
14556 (get_constraint_for_component_ref): Likewise.
14557 (do_deref): Likewise.
14558 (get_constraint_for): Likewise.
14559 (do_structure_copy): Likewise.
14560 (handle_ptr_arith): Likewise.
14561 (find_func_aliases): Likewise. Remove unused need_anyoffset
14564 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14565 Kaz Kojima <kkojima@gcc.gnu.org>
14567 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14568 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14569 (EXTRA_CONSTRAINT_C16): Remove.
14570 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14571 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14572 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14573 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14574 constants of SHmedia. Handle nested constant expressions of
14576 (andcosts): Fix the costs for SHmedia constants.
14577 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14578 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14579 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14580 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14581 (movv4hi_i, movv2si_i): Likewise.
14582 (movsi_const): Adjust the second operand of ior so to match with
14583 the Csu constraint.
14584 (movdi_const, movdi_const_32bit): Likewise.
14585 (movdi_const_16bit+1): Don't sign-extend LOW.
14586 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14588 (*double_shori): Fix the split condition. Use GEN_INT instead
14589 of get_int_mode calls. Mask lower 16-bit of the argument of
14591 (sym2GOTPLT): Remove.
14592 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14594 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14595 instead of EXTRA_CONSTRAINT_C16.
14597 2006-01-07 Ian Lance Taylor <ian@airs.com>
14598 David Edelsohn <edelsohn@gnu.org>
14600 PR rtl-optimization/25662
14601 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14602 for constant operands instead of simplify_gen_binary.
14603 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14604 after trying simplify_binary_operation
14606 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14608 * tree.c (iterative_hash_expr): Hash decls based on UID.
14610 2006-01-06 Eric Christopher <echristo@apple.com>
14612 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14613 (TARGET_UNWIND_EMIT): Fix spelling.
14614 * target.h (gcc_target): Add except_table_label.
14615 * except.c (output_function_exception_table): Use.
14616 * varasm.c (default_emit_except_table_label): New.
14617 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14619 (asm_out): Add here.
14620 * output.h (default_emit_except_table_label): Prototype.
14621 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14622 * config/darwin.c (darwin_emit_except_table_label): Define.
14623 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14625 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14627 PR tree-optimization/18527
14628 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14629 number_of_iterations_special, number_of_iterations_exit):
14630 Move base and step of an iv to a single structure. Add
14631 no_overflow flag, and use it in # of iterations analysis.
14632 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14633 folded_casts argument.
14634 (simple_iv): Pass base and step in a structure. Set no_overflow
14636 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14637 Evaluate expensiveness of computing # of iterations instead of
14638 the final expression.
14639 * tree-scalar-evolution.h (affine_iv): New structure.
14640 (simple_iv): Declaration changed.
14641 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14642 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14643 find_givs_in_stmt): Changed due to simple_iv change.
14645 2006-01-06 Jeff Law <law@redhat.com>
14648 * tree-cfg.c (bsi_replace): Rename final argument from
14649 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14650 change (stmt -> orig_stmt).
14651 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14652 (bsi_remove): Add new argument. Remove EH information
14654 (verify_eh_throw_table_statements): New function.
14655 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14657 * tree-optimize.c (execute_free_cfg_annotations): Verify
14658 the EH throw statement table after removing annotations.
14659 * except.h (verify_eh_throw_table_statements): Prototype.
14660 * tree-flow.h (bsi_remove): Update prototype.
14661 * tree-vrp.c (remove_range_assertions): Add new argument to
14663 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14664 * tree-complex.c (expand_complex_div_wide): Likewise.
14665 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14666 * tree-tailcall.c (eliminate_tailcall): Likewise.
14667 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14668 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14669 * tree-nrv.c (tree_nrv): Likewise.
14670 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14671 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14672 (combine_blocks): Likewise.
14673 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14674 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14675 (cleanup_control_flow): Likewise.
14676 (remove_forwarder_block): Likewise.
14677 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14678 * tree-sra.c (sra_replace): Likewise.
14679 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14680 (forward_propagate_single_use_vars): Likewise.
14681 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14682 * tree-inline.c (expand_call_inline): Likewise.
14683 * tree-vect-transform.c (vect_transform_loop): Likewise.
14684 * tree-outof-ssa.c (rewrite_trees): Likewise.
14685 * tree-cfg.c (make_goto_expr_edges): Likewise.
14686 (cleanup_dead_labels): Likewise.
14687 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14688 (bsi_move_before, bsi_move_after): Likewise.
14689 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14690 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14692 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14695 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14697 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14698 on non gimple variables. Also add checks at the top for decls and
14700 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14702 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14703 and IMAGPART_EXPR for creating MUST_DEFs.
14704 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14705 and NAME_MEMORY_TAG separately from the DECLs.
14707 2006-01-06 Richard Guenther <rguenther@suse.de>
14709 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14710 annotation, if necessary.
14711 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14712 redundant calls to update_stmt.
14713 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14716 2006-01-05 Richard Henderson <rth@redhat.com>
14718 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14720 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14722 * c-typeck.c: Update copyright date.
14724 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14726 * c-typeck.c (build_c_cast): Always warn when casting
14727 from a pointer to an integer of different size, even if
14728 the node was constant.
14730 2006-01-05 Richard Guenther <rguenther@suse.de>
14732 PR tree-optimization/22555
14733 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14734 if one structure field is an array.
14735 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14736 operands even if we found a subvar, but ignore VOPs in this
14738 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14740 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14742 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14744 PR middle-end/24998
14745 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14747 2006-01-05 Richard Guenther <rguenther@suse.de>
14748 Diego Novillo <dnovillo@redhat.com>
14750 * tree-pass.h (TODO_remove_unused_locals): Define.
14751 * gimple-low.c (expand_var_p, remove_useless_vars,
14752 pass_remove_useless_vars): Remove. Update all users.
14753 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14754 (remove_unused_locals): New function.
14755 * tree-flow.h (remove_unused_locals): Declare.
14756 * passes.c (execute_todo): Call remove_unused_locals if
14757 TODO_remove_unused_locals is set.
14758 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14759 * tree-ssa-dce.c (pass_dce): Likewise.
14760 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14762 2006-01-05 Richard Guenther <rguenther@suse.de>
14764 * tree-flow.h (struct fieldoff): Decompose field to
14765 type, size and decl.
14766 * tree-ssa-alias.c (create_sft): Take type as parameter.
14767 (create_overlap_variables_for): Store type, size and decl
14768 in the fieldoff structure.
14769 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14770 of struct fieldoff.
14771 (push_fields_onto_fieldstack): Likewise.
14772 (create_variable_info_for): Likewise. Use offset for the
14773 SFT name if the decl is not available.
14775 2006-01-04 Paul Brook <paul@codesourcery.com>
14777 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14779 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14781 * lambda-code.c (can_put_in_inner_loop): Relax
14783 (can_put_after_inner_loop): New function.
14784 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14785 (perfect_nestify): Change to make copies and modify uses.
14787 2006-01-04 Richard Henderson <rth@redhat.com>
14789 Merge from gomp branch:
14790 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14791 via integer constant.
14792 (pragma_lex): Remove.
14793 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14794 rather than parsing it.
14795 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14796 handle_pragma_extern_prefix): Add %< %> quotes.
14797 (registered_pragmas): New.
14798 (c_register_pragma_1): New.
14799 (c_register_pragma): Use it.
14800 (c_register_pragma_with_expansion): Likewise.
14801 (c_invoke_pragma_handler): New.
14802 (init_pragma): Use cpp_register_deferred_pragma directly for
14804 * c-pragma.h (enum pragma_kind): New.
14805 (pragma_handler): New.
14806 (c_invoke_pragma_handler): Declare.
14807 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14809 * c-common.h (c_common_pch_pragma): Update decl.
14810 * Makefile.in (c-parser.o): Update dependencies.
14811 (GTFILES): Add c-pragma.h.
14812 * c-parser.c (struct c_token): Add pragma_kind.
14813 (struct c_parser): Add in_pragma.
14814 (c_lex_one_token): Always initialize keyword and pragma_kind.
14815 Extract data for CPP_PRAGMA.
14816 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14817 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14818 Don't allow CPP_PRAGMA_EOL if in_pragma.
14819 (c_parser_consume_pragma): New.
14820 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14821 (c_parser_skip_to_end_of_parameter): Likewise.
14822 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14823 (c_parser_skip_to_pragma_eol): New.
14824 (c_parser_external_declaration): Handle CPP_PRAGMA.
14825 (c_parser_compound_statement_nostart): Likewise.
14826 (c_parser_statement_after_labels): Likewise.
14827 (c_parser_pragma): New.
14828 (pragma_lex): Likewise.
14829 (c_parser_pragma_pch_preprocess): New.
14830 (c_parser_new): Merge into ...
14831 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14833 2006-01-04 Jeff Law <law@redhat.com>
14836 * tree-cfg.c (bsi_replace): Remove the original statement
14837 from the EH throw statement table.
14839 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14841 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14842 make the prototype extern "C" and add throw ().
14845 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14846 and pos non-negative and pos + len <= 32.
14847 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14848 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14849 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14852 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14853 as well as sizes not multiple of component size.
14856 * function.c (instantiate_expr): New function.
14857 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14858 walk its DECL_VALUE_EXPR with instantiate_expr.
14860 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14861 DW_OP_deref{,_size} if address isn't going to be added.
14863 2006-01-04 Ben Elliston <bje@au.ibm.com>
14865 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14866 * config/fp-bit.c: Likewise.
14868 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14870 * dominance.c: Add comment about why we use DFS numbering
14873 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14874 Richard Henderson <rth@redhat.com>
14876 Merge from gomp-branch:
14877 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14878 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14880 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14882 PR rtl-optimization/25578
14883 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14884 pass a parameter to simplify_shift_const if changing ASHIFTRT
14887 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14889 * builtins.c (get_builtin_sync_mem): New function.
14890 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14891 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14892 Call get_builtin_sync_mem to generate mem rtx.
14894 2006-01-03 Richard Guenther <rguenther@suse.de>
14897 * stmt.c (add_case_node): Make sure to clear overflow flags
14900 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14902 Merge from gomp-branch.
14903 * config/sparc/sync.md: New file.
14904 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14905 UNSPECV_LDSTUB): New constants.
14906 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14907 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14908 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14911 2006-01-03 Roger Sayle <roger@eyesopen.com>
14913 * combine.c (reg_subword_p): New predicate to test whether the
14914 destination of a set refers to a subword/piece of a register.
14915 (try_combine): Generalize the code to merge the setting of a
14916 pseudo to a constant followed by a set of a subword of that
14917 register to a constant.
14919 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14921 * basic-block.h (control_flow_graph): Change the type of
14922 x_label_to_block_map to VEC(basic_block,gc) *.
14923 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14924 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14926 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14927 VEC(basic_block,heap) *.
14928 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14929 ssa_prop_fini): Adjust the uses of cfg_blocks.
14931 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14933 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14935 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14936 hashing trees instead of a pointer hash.
14937 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14938 compare for MEM_EXPR.
14940 PR rtl-optimization/25130
14941 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14942 when comparing MEMs for GCSE
14944 2006-01-03 Ben Elliston <bje@au.ibm.com>
14946 * targhooks.h (default_decimal_float_supported_p): Declare.
14947 * targhooks.c (default_decimal_float_supported_p): Define.
14948 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14949 `default_decimal_float_supported_p'.
14950 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14952 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14954 * combine.c (apply_distributive_law <SUBREG>): Check
14955 TRULY_NOOP_TRUNCATION.
14957 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14959 * dwarf2out.c (have_switched_text_section): Delete.
14960 (have_multiple_function_sections): New.
14961 (have_location_lists): Make 'bool'.
14962 (add_AT_loc_list): Use 'true' not '1'.
14963 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14964 (output_loc_list): Use have_multiple_function_sections.
14965 (output_ranges): Likewise.
14966 (dwarf2out_begin_function): Set have_multiple_function_sections if
14968 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14969 Check function_section rather than DECL_SECTION_NAME.
14970 (dwarf2out_finish): Use have_multiple_function_sections.
14971 Don't clear have_location_lists.
14973 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14974 Jan Hubicka <jh@suse.cz>
14976 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14977 case of conditional jump jumping to the next instruction.
14978 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14979 cases of conditional jump jumping to the next instruction.
14981 2006-01-02 Jan Hubicka <jh@suse.cz>
14983 * i386.c (*_cost): Add COSTS_N_INSNS.
14984 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14986 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14989 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14991 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14993 * config/arm/arm.c (all_fpus): Fix comment typo.
14994 * config/darwin.c: Likewise.
14995 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14996 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14997 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14999 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15001 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15002 (rs6000_split_compare_and_swapqhi): New.
15003 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15004 (sync_compare_and_swapqhi_internal): New.
15005 * config/rs6000/rs6000-protos.h: Declare.