1 2005-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5 expanding the number of iterations.
6 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
10 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
13 2006-09-14 Richard Guenther <rguenther@suse.de>
14 Kazu Hirata <kazu@codesourcery.com>
17 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
18 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
19 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
20 with TARGET_FUNCTION_VALUE.
22 2006-09-14 Anatoly Sokolov <aesok@post.ru>
25 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
27 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
29 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
32 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
35 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
38 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
40 * basic_block.h (bb_has_eh_pred): Fix comment.
42 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
44 * flow.c (calculate_global_regs_live): Invalidate eh registers
45 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
46 (propagate_block): Handle eh registers as if they were set at basic
48 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
50 * global.c (global_conflicts): Make eh registers to conflict with
51 pseudos live at basic block begin.
52 * basic_block.h (bb_has_eh_pred): New function.
54 2006-09-13 Richard Sandiford <richard@codesourcery.com>
56 PR rtl-optimization/28982
57 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
58 index of a PRE_MODIFY or POST_MODIFY address.
59 * reload1.c (inc_for_reload): Use find_replacement on the original
60 base and index registers.
62 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
64 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
65 for -Os. Update __m128 alignment requirement.
67 2006-09-13 Jan Hubicka <jh@suse.cz>
69 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
71 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
73 PR rtl-optimization/28243
74 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
75 the insn to which the note was originally attached.
77 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
78 Roger Sayle <roger@eyesopen.com>
80 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
81 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
82 on platforms that don't use dwarf for debug info.
84 2006-09-12 Jason Merrill <jason@redhat.com>
87 * builtins.c (expand_builtin_setjmp_receiver): Clobber
88 hard_frame_pointer_rtx after using it to update the frame pointer.
90 2006-09-12 Roger Sayle <roger@eyesopen.com>
92 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
93 (TARGET_ASM_CLOSE_PAREN): Likewise.
94 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
95 (TARGET_ASM_CLOSE_PAREN): Likewise.
97 2006-09-12 Roger Sayle <roger@eyesopen.com>
100 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
101 frame information for frames larger than 512 Kbytes on Tru64 when
102 using the native assembler.
104 2006-09-12 Roger Sayle <roger@eyesopen.com>
108 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
109 and symbols. Instead use the implementation from cse.c's hash_rtx.
111 2006-09-12 Jan Hubicka <jh@suse.cz>
113 PR rtl-optimization/28071
114 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
115 (vect_transform_loop): Likewise.
116 * tree-vectorizer.c (new_loop_vec_info): Likewise.
117 (new_loop_vec_info): Likewise.
118 (destroy_loop_vec_info): Likewise.
119 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
120 (create_stmt_ann): Likewise.
121 (create_tree_ann): Rename to ...
122 (create_tree_common_ann): ... this one; allocate only the common part
124 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
125 (get_value_handle): Likewise.
126 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
128 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
129 (vinfo_for_stmt): Use stmt annotations.
130 * tree-flow.h (tree_ann_common_t): New type.
131 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
132 (tree_ann, get_tree_ann, create_tree_ann): New.
133 * tree-flow-inline.h (get_function_ann): Do more type checking.
134 (stmt_ann): Likewise.
135 (tree_ann): Rename to ...
136 (tree_common_ann): ... this one; return ony common_ann
137 (get_tree_ann): Rename to ...
138 (tree_common_ann): This one; return only common_ann.
139 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
142 2006-09-11 Geoffrey Keating <geoffk@apple.com>
144 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
147 * dwarf2out.c (dwarf_file_data): New.
148 (enum dw_val_class): Add dw_val_class_file.
149 (struct dw_val_struct): Add val_file.
150 (file_table): Change to a hash table.
151 (file_table_emitted): Delete.
152 (file_table_last_lookup_index): Delete.
154 (last_emitted_file): New.
155 (lookup_filename): Change prototype to return a struct dwarf_file_data.
156 (init_file_table): Delete.
157 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
158 (AT_addr): Add comment.
162 (print_die): Handle dw_val_class_file.
163 (print_dwarf_line_table): Update for new file table structure.
164 (attr_checksum): Do checksum a filename.
165 (same_dw_val_p, same_attr_p): Do compare a filename.
166 (size_of_die): Handle dw_val_class_file.
167 (value_format): Likewise.
168 (output_die): Likewise. Also, call maybe_emit_file here.
169 (struct file_info): Constify filenames. Make file_idx a pointer
170 to a struct dwarf_file_data.
171 (struct dir_info): Constify directory names. Remove 'used' field.
172 (struct file_name_acquire_data): New.
173 (file_name_acquire): New.
174 (output_file_names): Modify to handle new file data structures.
175 (add_src_coords_attributes): Use add_AT_file.
176 (add_call_src_coords_attributes): Likewise.
177 (dwarf2out_imported_module_or_decl): Likewise.
178 (gen_subprogram_die): Modify for new file data structures.
179 (gen_variable_die): Likewise.
180 (file_table_eq): New.
181 (file_table_hash): New.
182 (file_table_last_lookup): New.
183 (lookup_filename): Rewrite to handle new file data structures.
184 (maybe_emit_file): Rewrite to handle new file data structures.
185 (dwarf2out_source_line): Always call lookup_filename and
187 (dwarf2out_init): Create file_table here.
188 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
189 (file_table_relative_p): New.
190 (dwarf2out_finish): Change detection of relative filenames
191 to work with new file data structures. Move output_line_info call
192 after debug_info output.
194 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
199 * config/i386/i386.c (override_options): Always default to 16
202 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
205 * var-tracking.c (dump_dataflow_set): Start dumping at
207 (clobber_variable_part): Kill only the variable part in
208 registers holding it, leaving other variables alone.
210 2006-09-11 Josh Triplett <josh@freedesktop.org>
212 * doc/extend.texi (Other Builtins): Actually use the macro
213 argument in the documentation example for
214 __builtin_types_compatible_p.
216 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
218 PR rtl-optimization/28726
219 * sched-deps.c (sched_analyze_reg): New function extracted from...
220 (sched_analyze_1): ...here. Call it to analyze references to
221 registers. Treat again writes to a stack register as writing to the
223 (sched_analyze_2): ...and here. Call it to analyze references to
224 registers. Treat again reads of a stack register as reading the
227 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
228 David Edelsohn <edelsohn@gnu.org>
231 * config/rs6000/spe.md (frob_df_di): Remove %H.
232 (frob_di_df): Remove %H. Change evmergelo to mr.
233 (frob_di_df_2): Remove %H. Change evldd to two loads.
235 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
237 * doc/cpp.texi: Fix names of charset options.
239 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
242 * config/i386/i386.c (override_options): Use 128-bit
243 stack boundary always for 64bits.
245 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
247 PR rtl-optimization/28636
248 * combine.c (force_to_mode): Test for side-effects before
249 substituting by zero.
250 (simplify_shift_const): Likewise for zero or other constants.
252 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
255 * builtins.c (expand_builtin_setjmp): Force next_lab to be
258 2006-09-10 Richard Sandiford <richard@codesourcery.com>
261 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
262 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
263 returned by mode_for_size, rather than the mode of src itself,
264 to choose between 32-bit and 64-bit patterns.
265 (mips_mem_fits_mode_p): New function.
266 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
267 that the size of the source matches the size of the destination.
268 (mov_<store>l, mov_<store>r): Likewise.
270 2006-09-10 Eric Christopher <echristo@apple.com>
272 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
275 2006-09-09 Eric Christopher <echristo@apple.com>
278 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
281 2006-09-09 Roger Sayle <roger@eyesopen.com>
282 Nicolas Setton <setton@adacore.com>
284 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
286 2006-09-10 Andreas Schwab <schwab@suse.de>
288 * config/m68k/m68k.md (bungt_rev): New pattern.
290 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
291 Dale Johannesen <dalej@apple.com>
294 * regclass.c (struct reg_pref): Update documentation.
295 (regclass): Set prefclass to NO_REGS if memory is the best option.
296 (record_reg_classes): Cope with a prefclass set to NO_REGS.
298 2006-09-08 Eric Christopher <echristo@apple.com>
300 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
301 * config/t-slibgcc-darwin: Support x86_64 multilib.
302 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
303 Return 1 for x86_64-darwin.
304 * config/i386/t-darwin: Add m64 multilib.
305 (LIB2_SIDITI_CONV_FUNCS): Use.
306 (LIB2FUNCS_EXTRA): Ditto.
307 * config/i386/darwin.h: Support x86_64.
308 * config/i386/i386.c (override_options): Turn on flag_pic
309 for x86_64-darwin. Disable flag_omit_pointer.
310 (get_pc_thunk_name): Assert !TARGET_64BIT.
311 (legitimate_address_p): Disable machopic addressing for
313 (legitimize_pic_address): Ditto.
314 (ix86_expand_move): Ditto.
315 (ix86_expand_call): Ditto.
316 (machopic_output_stub): Ditto.
317 * config/darwin.c (machopic_select_section): Support literal16.
318 (machopic_select_rtx_section): Ditto.
319 * config/darwin-sections.def: Ditto.
320 * config/darwin-64.c: New.
322 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
325 * c-tree.h (struct c_arg_info): Add pending_sizes.
326 * c-parser.c (c_parser_parms_declarator,
327 c_parser_parms_list_declarator): Initialize pending_sizes.
328 * c-decl.c (get_parm_info): Initialize pending_sizes.
329 (get_parm_info): Set pending_sizes.
330 (grokdeclarator): Call put_pending_sizes for parameters for
331 function definition only.
333 2006-09-07 Jason Merrill <jason@redhat.com>
336 * varasm.c (output_constant): Only strip actual no-op conversions.
339 * config/i386/i386.c (override_options): Use 128-bit
340 stack boundary if -msse.
342 2006-09-07 Eric Christopher <echristo@apple.com>
344 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
346 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
349 2006-09-07 Geoffrey Keating <geoffk@apple.com>
351 * dwarf2out.c: Remove strange characters from comment above
352 dwarf2out_frame_debug_expr.
354 2006-09-07 Eric Christopher <echristo@apple.com>
356 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
357 * config/darwin.h: ... to here.
359 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
361 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
363 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
364 (TARGET_PARTIAL_FLAG_REG_STALL): New.
366 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
367 TARGET_PARTIAL_FLAG_REG_STALL.
368 (*ashldi3_cconly_rex64): Likewise.
369 (*ashlsi3_cmp): Likewise.
370 (*ashlsi3_cconly): Likewise.
371 (*ashlsi3_cmp_zext): Likewise.
372 (*ashlhi3_cmp): Likewise.
373 (*ashlhi3_cconly): Likewise.
374 (*ashlqi3_cmp): Likewise.
375 (*ashlqi3_cconly): Likewise.
376 (*ashrdi3_cmp_rex64): Likewise.
377 (*ashrdi3_cconly_rex64): Likewise.
378 (*ashrsi3_cmp): Likewise.
379 (*ashrsi3_cconly): Likewise.
380 (*ashrsi3_cmp_zext): Likewise.
381 (*ashrhi3_cmp): Likewise.
382 (*ashrhi3_cconly): Likewise.
383 (*ashrqi3_cmp): Likewise.
384 (*ashrqi3_cconly): Likewise.
385 (*lshrdi3_cmp_rex64): Likewise.
386 (*lshrdi3_cconly_rex64): Likewise.
387 (*lshrsi3_cmp): Likewise.
388 (*lshrsi3_cconly): Likewise.
389 (*lshrsi3_cmp_zext): Likewise.
390 (*lshrhi3_cmp): Likewise.
391 (*lshrhi3_cconly): Likewise.
392 (*lshrqi2_cmp): Likewise.
393 (*lshrqi2_cconly): Likewise.
395 2006-09-07 Uros Bizjak <uros@kss-loka.si>
398 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
399 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
400 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
401 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
402 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
403 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
404 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
405 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
406 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
407 implement only CC setting effects of shift instructions.
409 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
411 * doc/contrib.texi: Add myself.
413 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
416 * stor-layout.c (relayout_decl): Don't zero the alignment if it
419 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
422 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
423 (divsi_inv_m1): Use them.
424 (UNSPEC_DIV_INV_TABLE): New constant.
426 2006-09-06 James E Wilson <wilson@specifix.com>
429 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
430 then call count_or_remove_death_notes.
432 2006-09-06 Jason Merrill <jason@redhat.com>
435 * tree-inline.c (copy_result_decl_to_var): New fn.
436 (declare_return_variable): Use it. Call declare_inline_vars here.
437 (expand_call_inline): Not here.
439 2006-09-06 Diego Novillo <dnovillo@redhat.com>
441 * doc/contrib.texi: Update my entry.
443 2006-09-06 Nick Clifton <nickc@redhat.com>
445 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
447 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
450 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
451 (canonicalize_induction_variables): Likewise.
452 (tree_unroll_loops_completely): Likewise.
453 (tree_ssa_prefetch_arrays): Likewise.
454 (remove_empty_loops): Likewise.
455 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
456 TODO_cleanup_cfg instead of directly calling
457 cleanup_tree_cfg_loop.
458 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
460 (tree_unroll_loops_completely): Likewise.
461 (remove_empty_loops): Likewise.
462 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
463 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
464 of tree_ssa_unswitch_loops.
465 (tree_ssa_loop_ivcanon): Use the return value of
466 canonicalize_induction_variables.
467 (tree_ssa_empty_loop): Use the return value of
469 (tree_complete_unroll): Use the return value of
470 tree_unroll_loops_completely.
471 (tree_ssa_loop_prefetch): Use the return value of
472 tree_ssa_prefetch_arrays.
473 * passes.c (execute_todo): Before Cleanup CFG, set
474 updating_used_alone and after cleanup CFG, call
475 recalculate_used_alone.
477 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
480 * tree-vect-transform.c (vectorizable_condition): Move the check
481 for the type after the check for simple condition.
483 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
484 Kaz Kojima <kkojima@gcc.gnu.org>
487 * mode-switching.c (optimize_mode_switching): Make the destination
488 block of an abnormal edge have no anticipatable mode. Don't
489 insert mode switching code at the end of the source block of
492 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
494 PR rtl-optimization/26847
495 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
496 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
497 (simplify_plus_minus): Count n_constants while filling ops. Replace
498 qsort with insertion sort. Before going through the array to simplify
499 pairs, sort it. Delay early exit until after the first sort, exiting
500 only if no swaps occurred. Simplify pairs in reversed order, without
501 special-casing the first iteration. Pack ops after simplifying pairs.
503 2006-09-05 Anatoly Sokolov <aesok@post.ru>
505 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
506 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
507 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
508 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
510 2006-09-05 Richard Guenther <rguenther@suse.de>
512 PR tree-optimization/28900
513 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
514 compound conditional before creating COND_EXPR condition.
516 2006-09-05 Richard Guenther <rguenther@suse.de>
518 PR tree-optimization/28905
519 * tree-vrp.c (fix_equivalence_set): Manually implement
520 !value_ranges_intersect_p to also handle symbolic ranges.
522 2006-09-05 Richard Guenther <rguenther@suse.de>
525 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
528 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
530 PR rtl-optimization/27616
531 * cse.c (table_size): New static variable.
532 (new_basic_block): Initialize it to 0.
533 (remove_from_table): Decrement it.
534 (insert): Increment it.
535 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
536 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
537 fold_rtx_mem_1 if under the cap.
538 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
539 the lookup of the equivalent expression and test for equality of the
540 first operand of the equivalent expression before in turn looking up
541 an equivalent constant for the second operand.
543 2006-09-02 Geoffrey Keating <geoffk@apple.com>
546 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
547 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
548 pointer, instead of assuming it is possible to derive the
549 correct args size from a call insn.
551 2006-09-02 Jakub Jelinek <jakub@redhat.com>
554 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
555 (fold_builtin_mempcpy): Rename to...
556 (fold_builtin_memory_op): ... this. Optimize one element copy
558 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
560 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
561 (expand_builtin_memcpy, expand_builtin_mempcpy,
562 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
563 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
564 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
565 BUILT_IN_MEM{CPY,PCPY,MOVE}.
567 2006-09-01 DJ Delorie <dj@redhat.com>
569 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
571 ("stzx_24_<mode>"): Likewise.
572 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
573 ("cmp<mode>_op"): New.
574 (cmp<mode>): Change to expander; just save operands.
576 (b<code>): Change to expander, emit compare here.
577 (s<code>_op): Change to use split and expander.
578 (s<code>_24_op): Likewise.
579 (s<code>_<mode>): New.
580 (s<code>_<mode>_24): New.
581 (movqicc_<code>_<mode): New.
582 (movhicc_<code>_<mode>): New.
585 * config/m32c/m32c.c (compare_op0, compare_op1): New.
586 (m32c_pend_compare): New.
587 (m32c_unpend_compare): New.
588 (m32c_expand_scc): New.
589 (m32c_expand_movcc): Emit the compare also.
590 * config/m32c/predicates.md (mra_nopp_operand): New.
592 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
593 Richard Guenther <rguenther@suse.de>
594 Adam Nemet <anemet@caviumnetworks.com>
597 * builtins.c (get_pointer_alignment): Handle more forms
598 of base addresses that can be used to derive more precise
599 information about alignment.
601 2006-09-01 Jason Merrill <jason@redhat.com>
604 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
607 * gimplify.c (voidify_wrapper_expr): Handle null type.
609 2006-09-01 Josh Conner <jconner@apple.com>
612 * tree-nrv.c (dest_safe_for_nrv_p): New function.
613 (execute_return_slot_opt): Use it.
615 2006-08-31 Josh Conner <jconner@apple.com>
618 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
619 returning aggregates.
621 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
623 PR tree-optimization/28839
624 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
625 blocks in that phi arguments appear.
627 2006-08-31 Roger Sayle <roger@eyesopen.com>
630 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
631 NULL, otherwise use an advance_loc4 to adjust relative to the
633 (output_cfi) <DW_CFA_set_loc>: Update the current label.
634 (dwarf2out_switch_text_section): Reset the current label to avoid
635 using advance_loc4 over section boundaries.
637 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
640 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
641 r12 + SYMBOLIC_CONST.
643 2006-08-30 Richard Guenther <rguenther@suse.de>
645 * Makefile.in (see.o): Add $(EXPR_H) dependency.
647 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
649 PR rtl-optimization/27735
650 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
651 Add new argument to keep track of whether an irreducible region
652 was affected. All callers changed.
653 (fix_irreducible_loops): Removed.
654 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
655 flags were invalidated.
657 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
659 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
660 instead of SF operands.
661 (*fop_df_comm_sse): Likewise.
662 (*fop_df_comm_i387): Likewise.
663 (*fop_df_1_mixed): Likewise.
664 (*fop_df_1_sse): Likewise.
666 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
667 J"orn Rennecke <joern.rennecke@st.com>
669 PR tree-optimization/17506
670 * tree-ssa.c (warn_uninit): If warning about a location outside of
671 the current function, note where the variable was declared.
673 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
675 PR tree-optimization/28411
676 * double-int.c (double_int_div): Use double_int_divmod.
677 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
678 double_int_mod, double_int_smod, double_int_umod): New functions.
679 * double-int.h (double_int_divmod, double_int_sdivmod,
680 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
682 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
684 (get_computation_aff, get_computation_cost_at): Handle double_int
685 return type of constant_multiple_of.
687 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
690 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
691 an implicit conversion.
693 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
695 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
697 2006-08-27 Roger Sayle <roger@eyesopen.com>
699 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
702 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
704 * config/i386/crtfastmath.c: Fix a comment typo.
706 2006-08-26 Roger Sayle <roger@eyesopen.com>
708 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
709 temporary visit flags on CASE_LABEL_EXPRs.
710 * c-common.c (match_case_to_enum): Add function comment. Avoid
711 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
712 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
713 CASE_HIGH_SEEN for enumerated types. If the switch expression is
714 a constant, only warn if that constant value isn't handled.
716 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
719 * input.h (restore_input_file_stack): Declare.
720 (INPUT_FILE_STACK_BITS): Define.
721 * toplev.c (fs_p, input_file_stack_history,
722 input_file_stack_restored, restore_input_file_stack): New.
723 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
724 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
725 (pop_srcloc): Don't free old state of stack.
727 2006-08-26 David Edelsohn <edelsohn@gnu.org>
730 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
731 (PowerPC Type Attributes): New.
733 2006-08-26 Bob Wilson <bob.wilson@acm.org>
735 * config/xtensa/xtensa.c (function_arg_boundary): New.
736 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
738 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
739 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
741 2006-08-26 Jakub Jelinek <jakub@redhat.com>
744 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
747 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
749 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
750 (verify_local_live_at_start): Likewise.
752 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
755 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
756 omp_add_variable): Treat sizes as variable whenever not
759 2006-08-26 Richard Guenther <rguenther@suse.de>
762 * fold-const.c (fold_binary): Fold temporary to correct
763 type before constructing new comparison.
765 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
768 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
769 variable again if DECL_SEEN_IN_BIND_EXPR_P.
771 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
774 * c-decl.c (start_function): Don't try to process prototype
775 information from old declaration that isn't a function.
777 2006-08-25 Jan Hubicka <jh@suse.cz>
780 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
782 2006-08-25 Alan Modra <amodra@bigpond.net.au>
785 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
788 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
790 PR tree-optimization/16876
791 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
792 exit if PARM doesn't match VALUE.
794 2006-08-25 Bob Wilson <bob.wilson@acm.org>
796 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
797 literal_prefix directive.
798 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
799 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
800 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
802 2006-08-25 David Edelsohn <edelsohn@gnu.org>
805 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
806 predicate to general_operand. Add 0->y and I->r alternatives.
808 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
810 * doc/tm.texi: Fix a typo.
811 * predict.c: Fix comment typos.
813 2006-08-25 Nick Clifton <nickc@redhat.com>
815 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
816 assertions of "cpu" and "machine".
818 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
821 * tree-ssa-operands.c (access_can_touch_variable): Don't say
822 the access through a base which has an alias set of 0 cannot
825 2006-08-24 Bill Wendling <wendling@apple.com>
827 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
829 2006-08-24 Jan Hubicka <jh@suse.cz>
831 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
833 2006-08-24 Jan Hubicka <jh@suse.cz>
836 * cgraph.c: Fix comments.
837 (cgraph_varpool_mark_needed_node): Mark only variables not already
839 * cgraphunit.c: Update comments; include gt-cgraphunit.h
840 (cgraph_varpool_assembled_nodes_queue): New static variable.
841 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
842 (cgraph_varpool_output_debug_info): New function.
843 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
844 * Makefile.in: Add gt-cgraphunit.h
846 2006-08-24 Jan Hubicka <jh@suse.cz>
848 * predict.c (probability_reliable_p): New predicate.
849 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
850 (predict_loops): Do not predict loop exit with less than 2%
852 * basic-block.h (edge_probability_reliable_p,
853 br_prob_note_reliable_p): Declare.
854 * ia64.h (ia64_print_operand): Do not disable on-chip branch
855 prediction when static predictor is not reliable.
856 * rs6000.c (output_cbranch): Likewise.
858 2006-08-23 Stuart Hastings <stuart@apple.com>
861 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
862 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
864 2006-08-21 Geoffrey Keating <geoffk@apple.com>
867 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
868 complex values, nor for generic vector values.
870 2006-08-22 Richard Guenther <rguenther@suse.de>
873 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
874 parameter. Convert arguments to arithmetic expression to the
876 (analyze_scalar_evolution_1): Adjust caller.
878 2006-08-22 Jan Hubicka <jh@suse.cz>
880 Patch by Paolo Bonzini
881 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
884 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
886 PR tree-optimization/28003
887 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
888 before grouping aliases.
890 2006-08-22 Roger Sayle <roger@eyesopen.com>
892 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
893 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
895 2006-08-21 Jason Merrill <jason@redhat.com>
898 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
899 wrapper. Loop to handle nested wrappers.
900 (gimplify_bind_expr): Remove temp parameter.
901 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
902 and STATEMENT_LIST on the rhs.
903 (gimplify_statement_list): Voidify the STATEMENT_LIST.
904 (gimplify_expr): Pass pre_p to gimplify_statement_list.
905 (gimplify_target_expr): Remove special BIND_EXPR handling.
907 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
909 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
912 2006-08-21 Olivier Hainque <hainque@adacore.com>
914 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
915 Arrange for the temporary captures of components overlapping the lhs
916 to happen before the lhs is possibly cleared.
918 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
920 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
921 necessary places to pass the correct "number of registers" values
924 2006-08-20 Jan Hubicka <jh@suse.cz>
926 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
927 (create_name_tags): Instead of quadratic checking use hashtable.
928 * bitmap.h: Include hashtab.h.
929 (bitmap_hash): Declare.
930 * bitmap.c (bitmap_hash): New function.
932 2006-08-20 Jan Hubicka <jh@suse.cz>
934 PR rtl-optimization/28071
935 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
937 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
938 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
939 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
940 cgraph_decide_inlining_incrementally): Update use of
941 cgraph_check_inline_limits.
942 * cgraph.c (edge_hash, edge_eq): New function.
943 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
944 cgraph_edge_remove_caller, cgraph_node_remove_callees,
945 cgraph_remove_node): Maintain call site hash.
946 * cgraph.h (struct cgraph_node): Add call_site_hash.
947 (cgraph_set_call_stmt): New function.
949 2006-08-20 Jan Hubicka <jh@suse.cz>
951 PR rtl-optimization/28071
952 * reload1.c (reg_has_output_reload): Turn into regset.
953 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
954 choose_reload_regs, emit_reload_insns): Update to new
955 reg_has_output_reload.
957 2006-08-20 Jan Hubicka <jh@suse.cz>
960 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
962 * cgraphunit.c (cgraph_analyze_function): Don't do so.
964 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
967 * tree.c (handle_dll_attribute): Return early if not a
968 var or function decl.
970 2006-08-18 Joseph Myers <joseph@codesourcery.com>
973 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
974 alignment of SPE vector types.
976 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
978 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
980 2006-08-17 Jakub Jelinek <jakub@redhat.com>
983 * cgraph.h (struct cgraph_node): Remove externally_visible
985 * cgraphunit.c (process_function_and_variable_attributes): Set
986 local.externally_visible rather than externally_visible.
989 * c-common.c (handle_externally_visible_attribute): First look
990 at TREE_CODE and only if it is function or var decl, check for
991 non-public objects. Don't warn for DECL_EXTERNAL.
992 * cgraphunit.c (process_function_and_variable_attributes): Warn
993 if externally_visible attribute is used on non-public object.
995 2006-08-17 Jan Hubicka <jh@suse.cz>
997 PR tree-optimization/27865
998 * reload1.c (forget_marked_reloads): New function.
999 (forget_old_reloads_1): When data are passed, just mark the registers
1001 (reload_as_needed): Use the new mechanizm.
1003 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1006 * reload.h (reg_equiv_alt_mem_list): New declaration.
1007 * reload1.c (reg_equiv_alt_mem_list): New definition.
1008 (reload): Initialize it and release it.
1009 (delete_output_reload): Use it.
1010 * reload.c (push_reg_equiv_alt_mem): New function.
1011 (find_reloads_toplev): Call it.
1012 (find_reloads_address, find_reloads_address_1): Likewise.
1013 (find_reloads_subreg_address): Likewise.
1015 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1017 PR rtl-optimization/28489
1018 * sched-ebb.c (begin_schedule_ready): Create basic block
1020 (advance_target_bb): Skip empty blocks.
1021 * haifa-sched.c (bb_note): Make global.
1022 * sched-int.h (bb_note): Add prototype.
1024 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1026 PR tree-optimization/27865
1027 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1029 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1030 fold_used_pointer, pointer_used_p): New functions.
1031 (analyze_scalar_evolution_1): Use fold_used_pointer.
1032 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1033 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1036 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1039 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1040 or the INTEGER_CST. Fail on a CALL_EXPR.
1041 (fold_offsetof): Pass new argument to fold_offsetof_1.
1042 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1043 operand into an INDIRECT_REF.
1044 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1046 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1048 PR gcov/profile/26570
1049 * value-prof.c (static_values): Removed.
1050 (tree_find_values_to_profile): Do not set static_values.
1051 (find_values_to_profile): Do not free static_values.
1052 * profile.c (instrument_values): Do not free the values.
1053 (branch_prob): Free the values.
1055 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1057 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1059 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1062 * c-typeck.c (build_component_ref): Combine qualifiers of
1063 structure or union and field.
1065 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1067 PR rtl-optimization/28071
1068 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1069 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1070 * tree-into-ssa.c (struct dom_dfsnum): New.
1071 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1073 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1074 compute_global_livein.
1075 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1076 in phi nodes in the correct blocks.
1078 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1080 PR tree-optimization/28364
1081 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1083 (fold_affine_expr): New function.
1084 (may_eliminate_iv): Use fold_affine_expr.
1086 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1089 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1092 2006-08-16 Mike Stump <mrs@apple.com>
1094 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1095 * doc/cppopts.texi (-MD): Likewise.
1097 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1100 * c-common.c (handle_weak_attribute): Ignore and warn if
1101 not a FUNCTION_ or VAR_DECL.
1103 2006-07-15 Mike Stump <mrs@apple.com>
1106 * c-parser.c (c_parser_typeof_specifier): Don't use
1107 c_finish_expr_stmt, open code desired semantics instead.
1109 2006-08-15 Nick Clifton <nickc@redhat.com>
1111 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1112 fragment to tmake_file only if threads are enabled.
1113 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1114 * config/i386/t-gthr-win32: New file. ... here.
1116 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1119 * c-parser.c (c_parser_compound_statement_nostart): Reset
1120 parser->error after each statement.
1122 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1125 * omp-low.c (lower_omp_parallel): Convert t to
1126 receiver_decl's type.
1127 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1128 source before comparison.
1131 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1132 to itype in assignment to oldival2.
1134 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1138 * c-typeck.c (build_compound_expr): If the second expression
1139 is an error mark, then just return an error mark instead of
1140 creating a COMPOUND_EXPR.
1142 2006-07-14 Mike Stump <mrs@apple.com>
1144 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1146 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1148 * c-decl.c, var-tracking.c: Fix comment typos.
1150 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1152 PR rtl-optimization/28634
1153 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1154 for floating-point modes unless flag_unsafe_math_optimizations.
1156 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1157 Andrew Pinski <pinskia@physics.uc.edu>
1160 * tree.c (build_array_type): Unify array types with
1161 unspecified index_type.
1162 * c-decl.c (grokdeclarator): Make sure we do not modify a
1163 unified incomplete array type.
1164 * c-typeck.c (store_init_value): Create distinct type before
1165 filling in the index type in an initializer from a compound
1168 * c-decl.c (grokdeclarator): Remove code where we copy the
1171 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1173 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1174 into account for TODO_dump_cgraph.
1175 (TODO_update_ssa_no_phi): Likewise.
1176 (TODO_update_ssa_full_phi): Likewise.
1177 (TODO_update_ssa_only_virtuals): Likewise.
1178 (TODO_remove_unused_locals): Likewise.
1179 (TODO_set_props): Likewise.
1180 (TODO_update_stmt_usage): Likewise.
1182 2006-08-13 Dirk Mueller <dmueller@suse.de>
1184 * c-common.c (strict_aliasing_warning): Fix formatting.
1186 2006-08-13 Matthias Klose <doko@debian.org>
1188 * doc/invoke.texi: Fix spelling errors.
1190 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1192 PR rtl-optimization/23454
1193 * reorg.c (relax_delay_slots): Update comment.
1195 2006-08-11 Richard Guenther <rguenther@suse.de>
1198 * simplify-rtx.c (simplify_const_relational_operation):
1199 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1202 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1204 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1205 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1207 2006-08-10 Paul Brook <paul@codesourcery.com>
1209 * final.c (final_scan_insn): Clear current_insn_predicate before
1210 outputting inline asm.
1212 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1214 PR tree-optimization/26197
1215 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1216 get_ref_base_and_extent and overlap_subvar to add only relevant
1217 subvars as may-aliases.
1218 (add_may_alias_for_new_tag): New function, factored out of
1220 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1221 with additional argument.
1222 * tree-flow.h (new_type_alias): Takes additional argument.
1224 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1226 * gcov.c (no_data_file): New flag.
1227 (read_count_file): Set it if data file not present. Assume counts
1229 (output_lines): Don't name the data file, if there wasn't one.
1231 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1233 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1234 (rs6000_generate_compare): Tweak comments.
1235 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1237 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1239 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1240 (var_debug_decl): New function.
1241 (var_reg_set): Follow debug decl link. Add location even if
1242 reg is already known to hold some other variable.
1243 (var_mem_set): Follow debug decl link.
1244 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1245 decl link. Delete other known locations of the variable part
1247 (var_reg_delete, var_mem_delete): Delete other known locations
1248 of the variable part if requested.
1249 (same_variable_part_p): New function.
1250 (add_stores): Select MO_COPY when appropriate.
1251 (vt_initialize): Handle it.
1252 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1253 known locations for MO_SET and MO_CLOBBER.
1254 (find_variable_location_part): New function.
1255 (set_variable_part, delete_variable_part): Use it.
1256 (clobber_variable_part): New function.
1257 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1260 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1262 PR tree-optimization/26969
1263 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1264 with an empty list of PHIs.
1266 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1270 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1273 2006-08-06 Andreas Schwab <schwab@suse.de>
1275 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1276 string. Whitespace and comment fixup.
1278 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1281 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1285 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1288 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1290 2006-08-04 Jan Hubicka <jh@suse.cz>
1294 * reload.c (push_reload): Patch out the mismatching instruction;
1296 (find_reload): Bail out if the instruction was patched out.
1298 2006-08-04 Jan Hubicka <jh@suse.cz>
1300 PR tree-optimization/24888
1301 * tree-inline.c (expand_call_inline): Do not re-record variables.
1302 (declare_inline_vars): Add variable to unexpanded_var_list.
1304 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1305 Roger Sayle <roger@eyesopen.com>
1307 PR rtl-optimization/26244
1308 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1309 inner_const are negative or greater than or equal to the bitsize of
1310 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1311 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1312 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1313 CONST0_RTX (mode) when the new shift count is greater than or equal to
1314 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1317 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1319 * tree-cfg.c: Fix a comment typo.
1321 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1324 * varasm.c (output_constant): Give the front end another chance to
1325 expand constants, after stripping NOPs.
1327 2006-08-03 Jan Hubicka <jh@suse.cz>
1329 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1332 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1334 PR tree-optimization/27770
1335 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1336 declaration removed (moved to tree-flow.h).
1337 (vect_can_force_dr_alignment_p): Likewise.
1338 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1339 (moved from tree-vectorizer.h).
1340 (vect_can_force_dr_alignment_p): Likewise.
1341 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1342 from outside the vectorizer - in particular from cgraph stage.
1343 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1344 the alignment of global arrays when -fsection-anchors is enabled.
1345 * cgraphunit.c (cgraph_increase_alignment): New function.
1346 (cgraph_optimize): Call cgraph_increase_alignment.
1348 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1351 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1352 not reload a SPE symbol_ref into a lo_sum address.
1354 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1357 * dwarf2out.c (prune_unused_types_prune): Move call to
1358 prune_unused_types_update_strings to cover the parent DIE also.
1360 2006-08-02 Jan Hubicka <jh@suse.cz>
1362 PR gcov/profile/28480
1363 * tree-cfg.c (change_bb_for_stmt): New function.
1364 (tree_merge_blocks, tree_split_blocks): Use it.
1366 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1372 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1373 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1374 (cgraph_optimize): Likewise.
1376 2006-08-01 Stuart Hastings <stuart@apple.com>
1378 * rtl.h (UINTVAL) New.
1379 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1380 * testsuite/gcc.dg/20060801-1.c: New.
1382 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1385 * c-typeck.c (build_external_type): Mark used enum types.
1386 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1388 (gen_subprogram_die): Whitespace fix.
1390 2006-08-01 Jan Hubicka <jh@suse.cz>
1392 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1393 bitmap when not needed.
1394 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1397 2006-08-01 Dirk Mueller <dmueller@suse.de>
1399 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1401 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1403 * Makefile.in: Revert part of previous patch:
1404 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1407 2006-07-30 Eric Christopher <echristo@apple.com>
1410 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1411 (PowerPC Variable Attributes): New section.
1413 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1415 PR target/28126 (partial fix)
1416 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1418 2006-07-28 Jan Hubicka <jh@suse.cz>
1420 PR rtl-optimization/28071
1421 * cfgrtl.c (rtl_delete_block): Free regsets.
1422 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1424 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1426 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1427 and variables used in dependencies.
1429 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1431 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1432 %fs for -mcmodel=kernel.
1433 (stack_tls_protect_test_di): Likewise.
1435 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1437 * Makefile.in: Use mkinstalldirs.
1439 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1442 * opts-common.c (prune_options): Skip joined switches.
1444 2006-07-27 Jan Hubicka <jh@suse.cz>
1446 PR rtl-optimization/28071
1447 * cselib.c (cselib_process_insn): Don't remove useless values too
1448 often for very large hashtables.
1450 2006-07-27 Jan Hubicka <jh@suse.cz>
1452 PR rtl-optimization/28071
1453 * global.c (greg_obstack): New obstack.
1454 (allocate_bb_info): Use it.
1455 (free_bb_info): Likewise.
1456 (modify_reg_pav): Likewise.
1458 2006-07-27 Roger Sayle <roger@eyesopen.com>
1460 * builtins.c (fold_fixed_mathfn): When long and long long are the
1461 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1462 functions to their lceil*, lfloor*, lround* and lrint* forms.
1464 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1467 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1469 (rev_branch_insn): Likewise.
1471 2006-07-27 Jan Hubicka <jh@suse.cz>
1473 PR rtl-optimization/28071
1474 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1475 (reg_set_in_bb, max_reg_computed): New static variables.
1476 (regmove_optimize): Free the new array.
1477 (fixup_match_1): Update call of reg_is_remote_constant_p.
1479 2006-07-26 Jan Hubicka <jh@suse.cz>
1481 PR tree-optimization/27882
1482 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1484 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1486 (cgraph_analyze_compilation_unit): Likewise.
1487 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1488 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1489 (cgraph_early_inlinine): Make order garbage collected.
1490 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1492 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1494 * dbxout.c (output_types_sort): Add a comment.
1495 (output_used_types): Free the VEC.
1497 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1499 * function.c (reorder_fix_fragments): Delete.
1500 (reorder_blocks): Don't call it.
1501 (reorder_blocks_1): Put all subblocks under the origin block.
1503 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1505 PR rtl-optimization/27907
1506 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1509 2006-07-25 Roger Sayle <roger@eyesopen.com>
1512 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1513 bar(x) check that bar's result type can represent all the values of T.
1515 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1517 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1519 2006-07-25 Nick Clifton <nickc@redhat.com>
1521 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1522 size_lookup[] array.
1523 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1524 (ggc_pch_count_object): Likewise.
1525 (ggc_pch_alloc_object): Likewise.
1526 (ggc_pch_write_object): Likewise.
1527 (init_ggc): Do not attempt to initialize entries in the
1528 size_lookup[] array for objects whose size is greater than than
1529 the length of the array.
1531 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1533 * dbxout.c (output_used_types_helper): Push queued types
1535 (output_types_sort): New.
1536 (output_used_types): Collect used types on a VEC and sort them
1539 2006-07-24 Richard Guenther <rguenther@suse.de>
1542 * cgraph.c (cgraph_remove_node): Do not check if dumps
1544 * cgraphunit.c (cgraph_optimize): Likewise.
1546 2006-07-24 Jan Hubicka <jh@suse.cz>
1548 PR rtl-optimization/28071
1549 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1550 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1551 splitting before first stmt.
1553 2006-07-24 Jan Hubicka <jh@suse.cz>
1555 PR rtl-optimization/28071
1556 * ipa-inline.c (update_caller_keys): Remove edges that
1557 are no longer inline candidates.
1559 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1562 * dbxout.c (output_used_types_helper, output_used_types): New.
1563 (dbxout_symbol): Call output_used_types.
1565 2006-07-23 Jan Hubicka <jh@suse.cz>
1569 * cgraph.c (cgraph_varpool_nodes): Export.
1570 (decide_is_variable_needed): Ignored "used" attribute in
1571 unit-at-a-time mode.
1572 * cgraph.h (cgraph_varpool_nodes): Declare.
1573 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1574 unit-at-a-time mode.
1576 2006-07-23 Roger Sayle <roger@eyesopen.com>
1579 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1580 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1581 the __gthrw form of thr_keycreate.
1582 (__gthread_key_delete): Silence the unused argument warning.
1584 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1587 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1588 Cache the last found '\0' marker to avoid quadratic behavior.
1590 2006-07-23 Jan Hubicka <jh@suse.cz>
1592 * i386.md (subsi_3_zext): Fix output template.
1594 2006-07-21 Mike Stump <mrs@apple.com>
1596 * doc/invoke.texi (C++ Dialect Options): Note that
1597 -fvisibility-inlines-hidden doesn't affect explicitly
1598 instantiationed inline methods.
1600 2006-07-20 Roger Sayle <roger@eyesopen.com>
1602 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1603 if the target assembler is GNU binutils' gas.
1604 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1605 whether to pass GNU gas or native as command line options.
1607 2006-07-20 Jason Merrill <jason@redhat.com>
1609 * tree.c (remove_attribute): New fn.
1610 * tree.h: Declare it.
1612 2006-07-20 Paul Brook <paul@codesourcery.com>
1615 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1616 they are invalidated by this instruction.
1618 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1621 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1623 2006-07-20 Eric Christopher <echristo@apple.com>
1626 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1628 2006-07-19 Eric Christopher <echristo@apple.com>
1630 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1631 Rewrite dependencies for libgcc_s.1.dylib.
1633 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1635 * except.c (duplicate_eh_regions_1): Clear next_peer.
1637 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1639 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1640 -mlongcall does not guarantee all calls will be long.
1641 * doc/extend.texi (long_call/short_call): Document that longcall
1642 does not guarantee a long call will be used.
1643 (longcall/shortcall): Likewise.
1645 2006-07-18 Roger Sayle <roger@eyesopen.com>
1648 * expmed.c (expand_shift): Additionally check that the shift_cost
1649 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1650 before implementing a LSHIFT_EXPR as a sequence of additions.
1651 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1652 middle-end that DImode shifts need to be synthesized by expand.
1654 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1657 * tree-ssa-operands.c (access_can_touch_variable): Update
1659 Return true if ALIAS is .GLOBAL_VAR.
1661 2006-07-18 David Daney <ddaney@avtrex.com>
1663 * gcc.c (display_help): Fix typo in help text.
1665 2006-07-18 Olivier Hainque <hainque@adacore.com>
1667 * tree.h (categorize_ctor_elements): Adjust prototype and add
1668 descriptive comment, both in accordance with the interface change
1670 * varasm.c (constructor_static_from_elts_p): New function.
1671 Whether a constructor node is a valid static constant initializer
1672 if all its elements are.
1673 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1674 * output.h: Declare it.
1675 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1676 is a valid constant initializer instead of computing the number of
1677 non-constant elements. Use constructor_static_from_elts_p for this
1678 purpose. Replace the head comment with an indication that this is a
1679 helper for categorize_ctor_elements.
1680 (categorize_ctor_elements): Same interface change as for the _1
1681 helper. Former head comment from this helper moved here, adjusted to
1682 account for the interface changes.
1683 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1684 (all_zeros_p): Likewise.
1685 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1686 static versions of the constructor from the categorize_ctor_elements
1687 return value instead of the formerly computed number of non-constant
1690 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1692 * configure: Regenerate.
1693 * Makefile.in (build_libsubdir): New configure substitution
1694 (build_libobjdir): New variable.
1695 (BUILD_LIBIBERTY): Use it.
1697 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1700 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1702 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1705 * c-common.c (handle_weakref_attribute): Ignore attribute in
1706 the same conditions the alias attribute is ignored.
1708 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1710 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1711 (dbxout_begin_prologue): Increment scope_labelno.
1713 2006-07-17 Richard Henderson <rth@redhat.com>
1716 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1719 2006-07-17 Roger Sayle <roger@eyesopen.com>
1720 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1722 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1723 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1724 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1725 functions such as sbrk, write, etc.. Add function prototypes.
1726 Convert function declarations from K&R to ISO C. Cast pointers
1727 to "long" and "unsigned long" instead of "int" and "unsigned int".
1728 Convert tokens following #endif into comments.
1730 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1732 * invoke.texi: Remove mention of f77; Reformat table for
1733 inline parameter options correctly; mention that -malign-double
1734 is default on x86-64 targets.
1736 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1738 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1739 (convert_affine_scev, chrec_convert_aggressive): Use
1740 avoid_arithmetics_in_type_p. Do not check for the subtypes
1743 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1746 * optabs.c (expand_doubleword_shift): Wrap the call to
1747 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1749 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1752 * optabs.c (expand_binop): Pass next_methods rather than methods
1753 to expand_doubleword_shift.
1755 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1758 * tree.h (dump_addr): Declare.
1759 * print-tree.c (dump_addr): New function.
1760 (print_node_brief, print_node): Use it.
1761 * print-rtl.c (print_rtx): Likewise.
1762 * common.opt (-fdump-noaddr): New option.
1763 * doc/invoke.texi (-fdump-noaddr): Document.
1764 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1765 (ve_info_hash): Likewise.
1767 2006-07-13 Andrew Haley <aph@redhat.com>
1769 PR tree-optimization/19505
1770 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1771 edge leaving this block, make sure that the destination of this
1772 block has only one predecessor.
1774 2006-07-17 Richard Guenther <rguenther@suse.de>
1776 PR tree-optimization/28238
1777 * tree-inline.c (copy_bb): Check if we produced valid
1778 gimple copying and substituting a stmt. If not, gimplify
1781 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1783 * optabs.c (maybe_encapsulate_block): New function extracted from...
1784 (emit_libcall_block): ...here. Invoke it on the block of insns to
1785 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1786 (emit_no_conflict_block): Likewise.
1788 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1790 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1792 2006-07-15 Roger Sayle <roger@eyesopen.com>
1794 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1795 a new NOP_EXPR case of the switch statement.
1797 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1800 * stor-layout.c (place_field): Take the bit field with
1801 an excessive size into account in the ms-bitfiled case.
1804 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1805 the previous bit field.
1807 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1810 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1812 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1814 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1815 signal frames correctly even when the signal was installed with
1818 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1820 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1821 (dbxout_function_end): Use local label LFBB. Remove hook
1823 (dbxout_source_line): Use local label LFBB.
1824 (dbxout_block): Likewise.
1825 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1826 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1827 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1828 and DBX_OUTPUT_NFUN.
1830 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1832 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1834 2006-07-13 Jan Hubicka <jh@suse.cz>
1836 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1838 * output.h (align_variable): Declare.
1839 * varasm.c (align_variable): Export.
1840 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1841 when basic block changed.
1843 2006-07-13 Nick Clifton <nickc@redhat.com>
1845 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1846 walking the LOG_LINKS chain.
1848 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1850 * doc/invoke.texi (C++ Dialect Options): Explain difference
1851 between -fvisibility-inlines-hidden and setting hidden
1852 visibility explicitly.
1854 2006-07-12 Eric Christopher <echristo@apple.com>
1856 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1857 (stmp-lipo): Depend on libgcc.a.
1859 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1861 * tree.c: Fix a comment typo.
1863 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1865 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1867 (umulhisi3_r): Likewise.
1869 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1872 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1873 x < 19, vs wchar_t support.
1875 2006-07-12 Nick Clifton <nickc@redhat.com>
1877 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1878 instead of -isa=sh4.
1880 2006-07-12 Mike Stump <mrs@apple.com>
1882 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1884 2006-07-10 Eric Christopher <echristo@apple.com>
1886 * config/t-slibgcc-darwin: Rewrite.
1888 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1891 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1894 2006-07-08 Matthias Klose <doko@debian.org>
1896 * doc/sourcebuild.texi: Fix typo.
1898 2006-07-07 Mike Stump <mrs@apple.com>
1900 * toplev.c (process_options): Don't give -ffunction-sections may
1901 affect debugging warning for Mach-O.
1903 2006-07-07 James E Wilson <wilson@specifix.com>
1905 * config/mips/mips.md (cpu): Add sb1a.
1906 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1907 addition to sb1. Adjust comments to clarify SB-1A differences from
1909 (ir_sb1a_load): New. Modify bypasses to use it.
1910 (ir_sb1a_simple_alu): Likewise.
1911 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1912 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1913 (mips_issue_rate): Add PROCESSOR_SB1A.
1914 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1915 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1916 (TARGET_SB1): Add PROCESSOR_SB1A check.
1917 (TUNE_SB1): Likewise.
1919 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1920 * config/mips/mips.c (mips_store_data_bypass_p): New.
1921 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1922 store_data_bypass_p.
1924 2006-07-08 Paul Brook <paul@codesourcery.com>
1927 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1929 2006-07-07 Richard Guenther <rguenther@suse.de>
1932 * tree.h (build_one_cst): Declare.
1933 * tree.c (build_one_cst): New function.
1934 * tree-ssa-math-opts.c (get_constant_one): Remove.
1935 (insert_reciprocals): Use build_one_cst.
1936 * fold-const.c (fold_plusminus_mult): Likewise.
1938 2006-07-07 Roger Sayle <roger@eyesopen.com>
1940 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1941 * cfgloopanal.c (dump_graph): Likewise.
1942 * dojump.c (discard_pending_stack_adjust): Likewise.
1943 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1945 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1946 * function.c (finalize_block_changes): Likewise.
1947 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1948 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1949 * rtl.c (dump_rtx_statistics): Likewise.
1950 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1952 * varray.c (dump_varray_statistics): Likewise.
1953 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1954 decode_decimal64, encode_decimal128, decode_decimal128,
1955 decimal_real_to_decimal): Likewise.
1957 2006-07-07 Richard Guenther <rguenther@suse.de>
1959 PR tree-optimization/28187
1960 * tree-vrp.c (vrp_operand_equal_p): New function.
1961 (vrp_bitmap_equal_p): Likewise.
1962 (update_value_range): Use them to compare old and new
1965 2006-07-06 Roger Sayle <roger@eyesopen.com>
1967 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1968 a default case to switch statement to silence compiler warnings.
1970 2006-07-06 Roger Sayle <roger@eyesopen.com>
1973 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1974 the configured assembler supports the x87's ffreep mnemonic.
1975 * configure: Regenerate.
1976 * config.in: Regenerate.
1978 * config/i386/i386.c (output_387_ffreep): New function.
1979 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1980 (output_387_reg_move): Likewise.
1982 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1984 Port to hosts whose 'sort' and 'tail' implementations
1985 treat operands with leading '+' as file names, as POSIX
1986 has required since 2001. However, make sure the code still
1987 works on pre-POSIX hosts.
1988 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1989 which says you should use "tail -c +N" rather than "tail +Nc".
1990 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1992 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1994 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1997 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2000 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2001 PRE_{INC,DEC} of TFmode.
2003 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2004 Alan Modra <amodra@bigpond.net.au>
2007 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2010 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2013 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2014 Remove duplicate gtu.
2016 2006-07-05 Jason Merrill <jason@redhat.com>
2020 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2021 * c-common.c (handle_packed_attribute): So don't copy it here.
2022 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2024 2006-07-05 Mike Stump <mrs@apple.com>
2026 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2028 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2031 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2033 2006-07-05 Richard Guenther <rguenther@suse.de>
2036 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2037 TARGET_SSE2 targets if using SSE math.
2038 (*absdf2_1): Likewise.
2040 2006-07-05 Richard Guenther <rguenther@suse.de>
2042 PR tree-optimization/28162
2043 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2044 make sure to convert the operands to the correct type.
2046 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2048 PR tree-optimization/28218
2050 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2051 to calculate and free the dominator information.
2053 2006-07-04 Peter O'Gorman <peter@pogma.com>
2055 * mklibgcc.in: chmod 644 before ranlib during install.
2057 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2058 J"orn Rennecke <joern.rennecke@st.com>
2060 * configure.ac (.eh_frame data check): Use diff -b.
2062 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2065 * Makefile.in (BUILD_RTL): Add build/vec.o.
2066 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2067 (build/genextract): Delete.
2068 (build/genautomata): Likewise.
2070 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2073 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2074 128-bit IBM long doubles for ABI_V4.
2076 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2078 * tree.c (range_in_array_bounds_p): New predicate.
2079 * tree.h (range_in_array_bounds_p): Declare it.
2080 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2081 return a less conservative answer.
2082 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2083 and flag 'is_group'.
2084 (IS_ELEMENT_FOR_GROUP): New macro.
2085 (FOR_EACH_ACTUAL_CHILD): Likewise.
2086 (next_child_for_group): New helper function.
2087 (can_completely_scalarize_p): Take into account groups.
2088 (sra_hash_tree): Handle RANGE_EXPR.
2089 (sra_elt_eq): Likewise.
2090 (lookup_element): Be prepared for handling groups.
2091 (is_valid_const_index): Delete.
2092 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2093 instead of is_valid_const_index.
2094 <ARRAY_RANGE_REF>: New case.
2095 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2096 is_valid_const_index.
2097 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2098 (scan_dump): Dump info for groups too.
2099 (decide_instantiation_1): Likewise.
2100 (decide_block_copy): Assert that the element is not a group.
2101 Propagate decision to groups.
2102 (generate_one_element_ref): Handle RANGE_EXPR.
2103 (mark_no_warning): Iterate over actual childs.
2104 (generate_copy_inout): Likewise.
2105 (generate_element_copy): Likewise.
2106 (generate_element_zero): Likewise.
2107 (generate_element_init_1): Likewise.
2108 (dump_sra_elt_name): Handle RANGE_EXPR.
2110 2006-07-03 Roger Sayle <roger@eyesopen.com>
2112 PR tree-optimization/26251
2113 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2114 (thread_block): When optimizing for size refuse to thread jumps
2115 that would require duplication of blocks other than redirection
2118 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2120 * configure.ac: Fix thinko in previous check-in.
2121 * configure: Regenerate.
2123 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2126 * configure.ac (for lang...): Simplify nesting of conditionals.
2127 Test subdir_requires for non-enabled languages. Move processing
2128 of lang_opt_files and lang_tree_fiels below that test.
2129 * configure: Regenerate.
2130 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2132 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2134 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2136 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2138 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2141 2006-06-29 Jason Merrill <jason@redhat.com>
2148 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2149 * c-common.c (c_determine_visibility): Handle it here.
2150 * c-decl.c (finish_decl): Call c_determine_visibility for
2152 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2154 * varasm.c (default_assemble_visibility): Likewise.
2155 * c-common.c (handle_visibility_attribute): Complain about trying
2156 to give visibility to an already defined class, or trying to change
2157 declared visibility. Always attach the attribute.
2162 * attribs.c (decl_attributes): Ignore type-in-place attributes
2163 once the type has been defined.
2165 2006-06-29 Roger Sayle <roger@eyesopen.com>
2168 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2169 to indicate the cpplib has issued an error message for us.
2171 2006-06-29 Asher Langton <langton2@llnl.gov>
2174 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2175 insert a label at the end of an function under Mach-O.
2177 2006-06-29 Eric Christopher <echristo@apple.com>
2178 Evan Cheng <evan.cheng@apple.com>
2180 * predicates.md (vector_all_ones_operand): New.
2181 (nonimmediate_or_sse_const_operand): Ditto.
2182 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2183 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2184 (standard_sse_mode_p): Ditto.
2185 (standard_sse_constant_p): Add case for -1 vector.
2186 (ix86_expand_vector_move): Try to use.
2187 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2188 Call standard_sse_constant_opcode.
2189 (*movv4sf_internal): Ditto.
2190 (*movv2df_internal): Ditto.
2192 2006-06-29 Roger Sayle <roger@eyesopen.com>
2194 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2195 of XEXP to extract the operands of a MATCH_CODE rtx.
2197 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2199 * tree.c (tree_size): Do not waste tail padding in
2200 struct tree_string and make the size be the same as
2201 build_string will generate.
2203 2006-06-28 Jason Merrill <jason@redhat.com>
2206 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2207 may_aliases already in the tag's annotations to the bitmap.
2209 2006-06-28 Roger Sayle <roger@eyesopen.com>
2211 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2213 2006-06-28 Roger Sayle <roger@eyesopen.com>
2215 * genpreds.c (generate_switch_p): New function.
2216 (add_mode_tests): Push the new mode test down inside an AND expr
2217 if this allows the switch-suitable MATCH_CODE to be near the root.
2218 (write_match_code_switch): New function to write a MATCH_CODE as
2220 (write_predicate_stmts): New function to write a predicate RTX
2221 expression as a sequence of statements.
2222 (write_one_predicate_function): Use write_predicate_stmts.
2223 (write_tm_constrs_h): Likewise.
2225 2006-06-26 Fred Fish <fnf@specifix.com>
2227 * config/mips/t-sb1: New file.
2228 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2231 2006-06-26 DJ Delorie <dj@redhat.com>
2233 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2235 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2236 Jayant Sonar <jayants@kpitcummins.com>
2237 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2239 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2240 (subsi3, subsi3_1, subsi3_2): New.
2241 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2242 * config/m32c/mov.md (SI mov peephole): New.
2243 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2244 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2246 2006-06-26 Olivier Hainque <hainque@adacore.com>
2248 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2249 a CALL_EXPR target function declaration.
2251 2006-06-26 Richard Guenther <rguenther@suse.de>
2253 * tree.c (build_string): Do not waste tail padding in
2256 2006-06-26 Richard Guenther <rguenther@suse.de>
2258 * ggc-page.c (init_ggc): Add missing element to size_lookup
2262 2006-06-23 Richard Guenther <rguenther@suse.de>
2264 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2265 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2266 alignment requests instead. Add verification code.
2267 Add struct tree_function_decl and struct tree_binfo size to
2268 extra_order_size_table. Add missing element to size_lookup
2271 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2274 * fold-const.c (const_binop): Be prepared for self returning zero.
2275 Simplify code handling complex values.
2277 2006-06-24 Olivier Hainque <hainque@adacore.com>
2279 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2280 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2283 2006-06-24 Olivier Hainque <hainque@adacore.com>
2285 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2286 ARRAY_REF, so have the callback called for the low bound expression.
2288 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2290 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2291 * c-typeck.c (c_common_type): Disallow operations on decimal float
2292 types and other float types.
2293 * convert.c (convert_to_real): Don't ignore conversions involving
2294 decimal float types.
2296 2006-06-23 Olivier Hainque <hainque@adacore.com>
2298 * tree.c (max_int_size_in_bytes): New function, inspired from
2299 code in function.c:assign_temp.
2300 * tree.h (max_int_size_in_bytes): Declare.
2301 * function.c (assign_temp): Use it.
2302 * gimplify.c (create_tmp_var): Relax the assertions on the type
2303 properties, not mandating constant size any more.
2304 (force_constant_size): New static function.
2305 (gimple_add_tmp_var): Use it, forcing variable size to a
2306 constant upper bound if it is not constant on entry.
2308 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2311 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2312 for initialization and setting of one_only flag to ...
2313 (i386_pe_encode_section_info): ...here.
2314 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2315 Recheck that the symbol has not been defined.
2317 2006-06-23 Richard Guenther <rguenther@suse.de>
2319 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2320 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2321 alignment requests instead. Add verification code.
2322 Add struct tree_function_decl and struct tree_binfo size to
2323 extra_order_size_table. Add missing element to size_lookup
2326 2006-06-22 Roger Sayle <roger@eyesopen.com>
2327 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2330 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2331 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2333 2006-06-23 Ben Elliston <bje@au.ibm.com>
2335 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2336 negate dn -- manipulate it directly.
2338 2006-06-22 Roger Sayle <roger@eyesopen.com>
2339 Steven Bosscher <stevenb.gcc@gmail.com>
2342 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2343 generated by gen_move_insn to add REG_LABEL notes if necessary.
2345 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2347 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2348 (leaf_entry): Remove use of MIN_ESA.
2350 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2352 PR rtl-optimization/28121
2353 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2356 2006-06-21 DJ Delorie <dj@redhat.com>
2358 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2360 (mulhisi3_r): Likewise.
2362 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2365 * coverage.c (coverage_counter_alloc): Leave the index type
2367 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2370 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2372 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2373 section from the "Options for Code Generation Conventions".
2375 2006-06-21 Richard Henderson <rth@redhat.com>
2379 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2381 (global_symbolic_operand): Allow weak symbols, even if local_p.
2383 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2385 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2386 (find_interesting_uses_address): Punt if above function returns true.
2388 2006-06-21 Richard Guenther <rguenther@suse.de>
2390 * configure: Regenerated.
2392 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2394 * config/mips/mips.c (function_arg): Where one part of a
2395 complex argument is in registers and the other part in the stack,
2396 return a REG not a PARALLEL.
2398 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2400 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2401 when cross-compiling. Do not substitute libstdcxx_incdir.
2402 * configure: Regenerated.
2404 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2406 * varasm.c (mergeable_string_section): Check for embedded NULs and
2407 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2408 rather than TREE_STRING_LENGTH bytes.
2410 2006-06-21 Richard Guenther <rguenther@suse.de>
2412 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2413 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2416 2006-06-21 Richrad Guenther <rguenther@suse.de>
2418 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2419 Limit iteration over the dominators.
2421 2006-06-20 Roger Sayle <roger@eyesopen.com>
2423 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2424 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2426 2006-06-20 Richard Guenther <rguenther@suse.de>
2427 Michael Matz <matz@suse.de>
2429 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2431 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2432 * et-forest.h (et_free_pools): Prototype new function.
2433 * et-forest.c (et_free_tree_force): Free parent occurrence.
2434 (et_free_pools): New function.
2435 * dominance.c (free_dominance_info): Free et-forest alloc
2438 2006-06-20 Roger Sayle <roger@eyesopen.com>
2440 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2441 integer modes, attempt to directly construct an integer constant.
2443 * fold-const.c (native_encode_vector): Determine the size of each
2444 element from the vector type instead of the first vector element.
2446 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2447 if all of its elements/components are constant.
2448 (build_constructor_from_list): Likewise.
2450 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2452 PR tree-optimization/27331
2453 * tree-data-ref.c (free_data_ref): New function.
2454 (create_data_ref): Fail if the data reference has unknown access
2456 (free_data_refs): Use free_data_ref.
2458 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2461 * tree-inline.c (setup_one_parameter): Strip useless
2462 type conversion before adding it to the IR.
2463 (declare_return_variable): Likewise.
2465 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2468 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2470 2006-06-19 Mike Stump <mrs@apple.com>
2472 * tree.c (variably_modified_type_p): VM arguments don't make the
2475 2006-06-19 Richard Guenther <rguenther@suse.de>
2477 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2478 type conversions after folding.
2480 2006-06-19 Richard Guenther <rguenther@suse.de>
2482 * ggc-page.c (extra_order_size_tab): Add entries with
2483 size of struct function and basic_block.
2484 (size_lookup): Extend to cover sizes up to 511.
2485 (ggc_alloc_stat): Adjust user.
2486 (ggc_pch_count_object): Likewise.
2487 (ggc_pch_alloc_object): Likewise.
2488 (ggc_pch_write_object): Likewise.
2490 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2492 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2493 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2496 2006-06-19 Denis Chertykov <denisc@overta.ru>
2498 * config/avr/libgcc.S : Correct my wrong previous commit.
2500 2006-06-19 Roger Sayle <roger@eyesopen.com>
2503 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2504 have stripped a SUBREG from the shift count, so we may need to
2505 convert_to_mode back to the type's mode before calling make_tree.
2506 Use new_amount instead of amount to avoid expanding a tree twice.
2508 2006-06-19 Richard Guenther <rguenther@suse.de>
2511 * fold-const.c (operand_equal_p): Check if the argument types
2512 have the same precision before stripping NOPs.
2514 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2516 Fix PR tree-optimization/27341
2517 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2519 * tree-complex.c (pass_lower_complex): Update SMT usage.
2521 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2523 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2524 Add a new alternative to the constraint strings. Add move of
2525 operand 1 to 3 to the splitter definition.
2526 ("doloop_si_long"): Second contraint alternative removed.
2528 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2530 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2531 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2533 (AVR_HAVE_MOVW) Define.
2534 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2535 (ASM_SPEC): Add avr25.
2536 (LINK_SPEC): Add avr25.
2537 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2538 (base_arch_s): Add new member 'have_movw_lpmx'.
2539 (avr_arch_types): Init 'have_movw_lpmx'.
2540 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2541 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2542 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2543 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2544 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2546 (avr_file_start): Do not output '.arh' derective.
2547 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2548 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2549 * config/avr/avr.md (mcu_enhanced): Delete.
2550 (mcu_have_movw): Define.
2551 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2552 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2553 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2554 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2555 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2556 attiny861 and at86rf401 devices.
2558 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2560 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2563 2006-06-17 Karl Berry <karl@gnu.org>
2565 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2566 doc/gccint.texi, doc/install.texi (@dircategory): Use
2567 "Software development" instead of "Programming", following
2568 the Free Software Directory.
2570 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2572 * config/i386/i386.c (legitimate_tls_address)
2573 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2574 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2575 (*tls_dynamic_gnu2_combine_64): Likewise.
2577 2006-06-16 Richard Guenther <rguenther@suse.de>
2580 * fold-const.c (negate_expr_p): Do not introduce undefined
2581 overflow in negating INTEGER_CSTs.
2582 (fold_negate_expr): Rename from negate_expr. Revert last
2583 change for folding BIT_NOT_EXPR. Change semantics to
2584 return NULL_TREE for non-simplified negations. Do not
2585 strip type conversions and unify type handling.
2586 (negate_expr): New function, wrap around fold_negate_expr
2587 but ensure building a tree always. Strip type conversions
2588 here, fold to result type.
2589 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2591 2006-06-16 Roger Sayle <roger@eyesopen.com>
2594 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2595 that (would) return their results in stack registers.
2597 2006-06-16 Michael Matz <matz@suse.de>
2598 Richard Guenther <rguenther@suse.de>
2600 * fold-const.c (fold_truthop): Only return new tree node if
2601 we canonicalized something.
2603 2006-06-16 Richard Guenther <rguenther@suse.de>
2605 * function.h (enum function_frequency): Move declaration
2606 out of struct function.
2607 (struct function): Move bool fields and the enum to the bitfield
2608 section. Reorder elements to avoid padding. Remove unused
2609 fields left over from the RTL inliner removal.
2610 * function.c (free_after_compilation): Do not zero removed fields.
2611 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2612 (ipa-type-escape.o): Likewise.
2614 2006-06-16 Richard Guenther <rguenther@suse.de>
2616 * cgraph.h (struct cgraph_local_info): Turn bool elements
2618 (struct cgraph_node): Likewise.
2619 (struct cgraph_varpool_node): Likewise.
2621 2006-06-15 Richard Guenther <rguenther@suse.de>
2623 * fold-const.c (fold_truth_not_expr): Rename from
2624 invert_truthvalue. Give it fold_* semantics to avoid
2626 (invert_truthvalue): New function. Wrapper around
2627 fold_truth_not_expr.
2628 (optimize_minmax_comparison): Avoid creating garbage.
2629 (fold_unary): Use fold_truth_not_expr for folding
2631 (fold_ternary): Replace uses of invert_truthvalue with
2632 fold_truth_not_expr where applicable.
2633 * tree.h (fold_truth_not_expr): Prototype.
2635 2006-06-16 Richard Guenther <rguenther@suse.de>
2637 PR tree-optimization/27781
2638 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2639 * ipa-pure-const.c (target.h): Include.
2640 (analyze_function): Do not analyze functions that do not
2643 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2646 * tree-dfa.c (referenced_vars_dup_list): Remove.
2647 (find_referenced_vars): Remove assert.
2648 (referenced_var_check_and_insert): Replace dup list with assert.
2649 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2650 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2652 2006-06-15 Richard Guenther <rguenther@suse.de>
2654 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2655 extra unused identifiers if not dumping.
2656 (create_variable_info_for): Likewise.
2658 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2660 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2661 (derive_constant_upper_bound): Derive more precise upper bound in
2662 common cases. Return type changed to double_int.
2663 (record_estimate): Reflect the changed return type of
2664 derive_constant_upper_bound.
2665 * double-int.c (double_int_zext, double_int_sext): Fix.
2667 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2669 * configure.ac (CFLAGS): Get them from the toplevel or from the
2670 configure invocation.
2671 * configure: Regenerate.
2672 * Makefile.in (CFLAGS): Substitute value provided by configure.
2674 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2677 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2678 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2679 rather than calling add_stmt on it.
2680 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2682 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2685 * reload1.c (reload): Remove registers returned by update_eliminables
2686 from used_spill_regs.
2688 2006-06-13 DJ Delorie <dj@redhat.com>
2690 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2692 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2694 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2695 html__strip_dir, html__mkdir_p. Enhance install-html target.
2696 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2697 * configure: Regenerate.
2699 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2701 * fold-const.c (fold_cond_expr_with_comparison): Check for
2702 Objective-C++ as language in deciding COND_EXPR transformation.
2704 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2707 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2708 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2709 * config/sh/lib1funcs.h (SL, SL1): Define.
2710 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2711 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2712 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2713 (OBJS_Os_4_200): New variable.
2714 ($(T)libgcc-Os-4-200.a): Use it.
2715 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2716 when dividing 1 and/or by 0.
2718 2006-06-13 Roger Sayle <roger@eyesopen.com>
2720 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2721 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2722 * configure: Regenerate.
2724 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2726 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2727 for real instruction.
2729 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2732 * haifa-sched.c (check_cfg): Handle special case.
2734 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2737 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2738 Add debug_info parameter. Chain the vars to the BLOCK instead
2739 of the BIND_EXPR if debug info are requested for them.
2740 (pop_gimplify_context): Adjust for above change.
2741 (gimple_add_tmp_var): Likewise.
2742 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2744 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2745 (convert_local_reference): Likewise.
2746 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2747 (finalize_nesting_tree_1): Request that debug info be emitted
2748 for debug_var_chain.
2750 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2752 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2753 for PR target/27863.
2755 2006-06-13 Richard Guenther <rguenther@suse.de>
2758 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2760 2006-06-13 Richard Guenther <rguenther@suse.de>
2762 PR tree-optimization/27830
2763 * tree-inline.c (copy_body_r): For copying the operand
2764 of an ADDR_EXPR make sure to fold &* afterwards.
2766 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2768 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2769 lvalues in the fb_none case with side-effects.
2771 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2773 * tree-flow.h: Remove the prototype for
2774 compute_phi_arg_on_exit.
2775 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2776 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2779 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2781 * builtins.c (expand_builtin_return_addr): Only use
2782 frame_pointer_rtx when count == 0 and we are expanding
2783 __builtin_return_address.
2785 2006-06-12 Fred Fish <fnf@specifix.com>
2787 * config/mips/mips.c (mips_file_start): Create special section
2788 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2790 2006-06-11 Eric Christopher <echristo@apple.com>
2793 * stor-layout.c (place_field): Remove check for
2794 remaining_in_alignment when aligning at the end of a run.
2796 2006-06-11 Eric Christopher <echristo@apple.com>
2799 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2802 2006-06-11 Roger Sayle <roger@eyesopen.com>
2805 Revert incorrect fix for PR target/27158
2806 2006-05-08 Roger Sayle <roger@eyesopen.com>
2807 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2808 of a reg_equiv_constant if the result is a legitimate constant.
2810 2006-06-11 Roger Sayle <roger@eyesopen.com>
2813 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2814 extract a CONST_VECTOR element and interpret it as an integer.
2815 (vspltis_constant): Use const_vector_elt_as_int instead of the
2816 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2817 * config/rs6000/predicates.md (easy_vector_const): Consider
2818 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2820 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2823 * stor-layout.c (update_alignment_for_field): Don't add extra
2824 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2827 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2829 * config/mips/t-rtems: Add EL/EB multilib variants.
2831 2006-06-09 Mike Stump <mrs@apple.com>
2833 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2835 2006-06-09 David Daney <ddaney@avtrex.com>
2837 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2839 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2841 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2843 2006-06-09 Richard Guenther <rguenther@suse.de>
2845 PR tree-optimization/26998
2846 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2847 of signed types, only TYPE_MIN_VALUE is special, but for both,
2848 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2849 in this case, as is -fwrapv.
2851 2006-06-08 Mike Stump <mrs@apple.com>
2854 * config/darwin.c (darwin_asm_output_anchor): Disable
2855 -fsection-anchors on darwin for now.
2856 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2857 * rs6000/rs6000.c (optimization_options): Likewise.
2859 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2862 * config/i386/i386.c (classify_argument): Skip fields with invalid
2865 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2867 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2868 (cse_insn): Likewise for the stack_pointer_rtx.
2870 2006-06-08 Roger Sayle <roger@eyesopen.com>
2872 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2873 conditions from floating point comparisons.
2875 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2878 * expmed.c (struct alg_hash_entry): Fix type of field T
2879 to match synth_mult argument.
2880 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2882 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2885 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2888 2006-06-08 Richard Guenther <rguenther@suse.de>
2891 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2892 only, if overflow is defined and not trapping.
2893 (negate_expr): Likewise.
2895 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2897 PR tree-optimization/27872
2898 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2899 flag on the new exit edge of the unrolled loop.
2901 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2903 PR rtl-optimization/26449
2904 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2906 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2909 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2910 referenced_variables with matching DECL_UID's.
2911 (find_referenced_vars): Make sure duplicate list is empty to start.
2912 (referenced_var_p): Remove.
2913 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2914 Check if var is in the list, and add if needed. Update the duplicate
2915 list if a different var is in the list with the same DECL_UID.
2916 (add_referenced_var): Call routine to check and insert.
2917 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2918 * tree-flow.h (referenced_vars_dup_list): External declaration.
2920 2006-06-07 Fred Fish <fnf@specifix.com>
2922 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2925 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2928 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2929 the imaginary and real parts of a clobbered register.
2930 Emit insn to set the imaginary part.
2932 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2934 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2935 in lieu of unwind-dw2-fde.c.
2937 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2939 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2941 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2944 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2945 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2946 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2947 V4SImode temporaries and operations instead.
2949 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2951 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2954 2006-06-06 Mike Stump <mrs@apple.com>
2956 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2957 installing during build.
2959 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2961 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2963 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2964 * config/ia64/ia64.c (params.h): New header.
2965 (ia64_optimization_options): New function to adjust parameters.
2966 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2967 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2968 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2970 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2972 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2974 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2977 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2979 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2980 Victor Kaplansky <victork@il.ibm.com>
2982 PR tree-optimization/26360
2983 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2986 2006-06-04 Roger Sayle <roger@eyesopen.com>
2987 Andrew Pinski <pinskia@physics.uc.edu>
2990 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2991 for LABEL_DECL before calling DECL_WEAK.
2994 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2995 LABEL_DECL and PARM_DECL.
2997 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3001 * c-decl.c (grokdeclarator): Disallow variably modified types at
3002 file scope. Avoid marking shared array type of constant size as
3005 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3008 * c-common.c (fold_offsetof_1): Handle static members.
3010 2006-06-04 Eric Christopher <echristo@apple.com>
3012 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3013 (debug_rli): Output value for remaining_in_alignment.
3014 (update_alignment_for_field): Unconditionalize
3015 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3016 extra alignment code.
3017 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3018 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3019 * tree.h (record_layout_info_s): Remove prev_packed.
3020 * doc/extend.texi (ms_struct): Add documentation of format.
3022 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3024 * tree.h: Declare folding_initializer.
3025 * builtins.c (fold_builtin_constant_p): Give definite answer
3026 if folding inside an initializer.
3027 * fold-const.c: Define folding_initializer.
3028 (START_FOLD_INIT): Save and then set folding_initializer.
3029 (END_FOLD_INIT): Restore folding_initializer.
3031 2006-06-04 Richard Guenther <rguenther@suse.de>
3033 PR tree-optimization/27039
3034 * fold-const.c (fold_comparison): Handle pointer comparison
3035 again for all comparison codes. Compare offsets in signed
3037 (fold_binary): Move code from here.
3039 2006-06-03 Roger Sayle <roger@eyesopen.com>
3042 * config/i386/i386.c (construct_container): Split static issued_error
3043 flag into issued_sse_arg_error, issued_sse_ret_error and
3044 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3045 requires the use of x87 registers and the user explicitly
3046 specified the -mno-80387 command line option.
3048 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3050 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3051 HAVE_DECL_SIGALTSTACK.
3053 (segv_handler): Use MC_FLD.
3054 * configure.ac: Check for a sigaltstack declaration.
3055 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3056 * configure: Regenerate.
3057 * config.in: Regenerate.
3059 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3062 * Makefile.in (stmp-fixinc): Fix typo.
3064 2006-06-02 Roger Sayle <roger@eyesopen.com>
3066 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3067 are type correct. Clean-up.
3068 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3069 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3071 2006-06-01 DJ Delorie <dj@redhat.com>
3073 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3074 shift, as we've disabled the "switch" insn that needs it.
3076 2006-06-01 Per Bothner <bothner@bothner.com>
3078 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3079 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3080 * c-ppoutput.c (cb_define): Don't increment line 0.
3082 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3084 * doc/invoke.texi: Add cpu_type power6.
3085 * config.gcc: Add cpu_type power6.
3086 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3087 to power5+ with Altivec.
3088 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3089 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3091 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3093 * config/avr/avr.h (SET_ASM_OP): Define.
3095 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3097 * config/bfin/bfin.c: Fix comment typos.
3099 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3102 * doc/install.texi: Document --enable-bootstrap and
3103 --disable-bootstrap.
3105 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3107 * doc/install.texi: Document that InfoZIP can replace jar.
3109 2006-05-31 Roger Sayle <roger@eyesopen.com>
3111 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3112 isn't available, directly generate the simpler x87 patterns without
3113 the (use (const_int 0)).
3114 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3115 implementation isn't available.
3116 (*negdf2_1): Likewise.
3117 (*negxf2_1): XF mode negation is always done using the x87.
3118 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3120 2006-05-31 Roger Sayle <roger@eyesopen.com>
3122 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3123 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3125 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3127 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3129 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3130 * config/bfin/bfin.c (basic-block.h): Include.
3131 (struct machine_function): New.
3132 (bfin_init_machine_status): New.
3133 (override_options): Initialize init_machine_status.
3134 (bfin_hardware_loop): New.
3135 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3136 (DEF_VEC_P (loop_info)): New.
3137 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3138 (struct loop_info): New.
3139 (loop_info): New typedef.
3140 (struct loop_work): New.
3141 (loop_work): New typedef.
3142 (DEF_VEC_O (loop_work)): New.
3143 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3144 (bfin_dump_loops): New.
3145 (bfin_bb_in_loop): New.
3146 (bfin_scan_loop): New.
3147 (bfin_optimize_loop): New.
3148 (bfin_reorg_loops): New.
3149 (bfin_reorg): Use bfin_reorg_loops.
3150 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3152 (I_REGNO_P): Simplify.
3153 (DP_REGNO_P, DPREG_P): New macros.
3154 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3155 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3156 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3157 Add LT_REGS, LC_REGS, LB_REGS.
3158 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3160 (REGNO_REG_CLASS): Deal with loop registers.
3161 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3163 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3164 New constants for loop registers.
3165 (UNSPEC_LSETUP_END): New.
3166 (seq_insns): New define_attr. Set it for appropriate insns.
3167 (movsi_insn): Add alternatives for move from/to
3168 loop count registers.
3169 (doloop_end): New define_expand.
3170 (loop_end): New define_insn.
3171 (define_split for bad doloop_end): New.
3172 (lsetup_with_autoinit): New define_insn.
3173 (lsetup_without_autoinit): New define_insn.
3174 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3175 * config/bfin/predicates.md (lc_register_operand): New.
3176 (lt_register_operand): New.
3177 (lb_register_operand): New.
3178 (nondp_register_operand): New.
3179 (nondp_reg_or_memory_operand): New.
3180 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3182 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3184 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3185 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3187 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3189 * Makefile.in (CATALOGS): Add po/ prefix.
3190 * configure: Regenerated.
3192 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3195 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3196 a shift operand before calling shift_op. Avoid redundant call of
3199 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3200 DJ Delorie <dj@redhat.com>
3202 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3203 we're inserting is a singlt-bit constant.
3205 2006-05-30 Roger Sayle <roger@eyesopen.com>
3207 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3208 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3210 2006-05-30 Roger Sayle <roger@eyesopen.com>
3212 PR tree-optimization/23452
3213 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3214 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3215 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3216 complex values and with -ffast-math for FP complex values.
3218 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3220 * c-common.h: Remove the prototype for yyparse.
3221 * rtl.h: Remove the prototype for init_loop.
3223 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3225 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3228 2006-05-30 Roger Sayle <roger@eyesopen.com>
3230 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3232 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3233 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3235 2006-05-30 Dirk Mueller <dmueller@suse.de>
3238 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3239 for CONSTANT_CLASS_P expresisons.
3241 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3244 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3246 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3248 PR tree-optimization/27779
3249 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3250 initial_condition instead of CHREC_LEFT.
3252 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3254 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3255 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3256 Make prototypes ISO C90.
3258 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3259 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3261 * see.c (see_analyze_one_def): Correct check.
3262 (see_get_extension_data): Check if extension is parallel.
3263 (see_get_extension_reg): Likewise.
3265 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3268 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3269 into register for (code == GTU).
3271 2006-05-29 Roger Sayle <roger@eyesopen.com>
3273 PR tree-optimization/24964
3274 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3275 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3276 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3277 abs(x)*abs(x) as x*x for scalar floating point modes.
3279 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3282 * lambda-code.c (perfect_nestify): Don't copy statements
3283 in the inner loop: move them to the inner loop header.
3285 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3288 * c-tree.texi: Document OpenMP directives and clauses.
3290 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3292 * varasm.c (globalize_decl): Fix indentation.
3294 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3297 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3298 pass_fre, pass_store_ccp, pass_copy_prop,
3299 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3300 pass_return_slot, pass_object_size, pass_lim,
3301 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3302 pass_loop_prefetch and pass_stdarg.
3304 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3306 * config/bfin/bfin.opt (mfdpic): New option.
3307 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3308 (EXTRA_MULTILIB_PARTS): Likewise.
3309 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3310 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3312 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3313 (CRT_CALL_STATIC_FUNCTION): New.
3314 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3316 (CRT_CALL_STATIC_FUNCTION): New.
3317 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3319 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3320 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3321 (initialize_trampoline): Changed to handle FD-PIC code generation.
3322 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3323 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3324 (override_options): Disallow -mid-shared-library -mfdpic combination.
3325 Can't do unaligned ops if FD-PIC.
3326 Turn off flag_pic if trying to generate non-id-shared-library
3327 non-fdpic code, since it's not supported.
3328 (bfin_assemble_integer): New function.
3329 (TARGET_ASM_INTEGER): Define.
3330 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3332 * config/bfin/crtn.s: Restore them.
3333 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3335 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3336 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3337 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3338 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3339 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3341 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3342 FDPIC_REGS and FDPIC_FPTR_REGS.
3343 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3344 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3345 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3346 (load_funcdescsi): New pattern.
3347 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3348 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3349 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3351 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3353 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3356 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3358 * tree-flow.h: Remove the prototype for add_type_alias.
3359 * tree-ssa-alias.c (add_type_alias): Remove.
3361 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3363 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3364 config/fr30/fr30.md, config/i386/i386-interix.h,
3365 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3366 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3367 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3368 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3369 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3370 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3371 Follow spelling conventions.
3372 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3373 Follow spelling conventions.
3375 2006-05-27 Richard Guenther <rguenther@suse.de>
3378 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3379 to produce a constant of value 1 of generic type.
3381 2006-05-27 Dirk Mueller <dmueller@suse.de>
3383 * cgraphunit.c (decide_is_function_needed): Fix wrong
3386 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3388 PR rtl-optimization/27661
3389 * reload.c (find_reloads): When reloading a VOIDmode constant
3390 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3391 use Pmode as mode of the reload register.
3393 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3395 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3396 is enabled at -O and above.
3398 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3401 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3404 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3407 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3408 for anonymous variables explicitly declared by front ends.
3410 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3412 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3413 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3414 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3415 ref-all pointers, run a finalization pass for them.
3416 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3417 (finalize_ref_all_pointers): New function.
3418 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3419 regular pointer type to a ref-all pointer type.
3420 (get_tmt_for): Return the special memory tag for ref-all pointers.
3422 2006-05-25 Richard Guenther <rguenther@suse.de>
3425 * fold-const.c (fold_binary): Do not look at the stripped
3426 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3428 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3430 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3431 for LT and GT if the computed range is effectively empty.
3433 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3436 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3437 mips_quad_format formats instead of ieee_single_format,
3438 ieee_double_format and ieee_quad_format formats, respectively.
3440 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3442 PR tree-optimization/27639
3443 PR tree-optimization/26719
3444 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3445 call to scev_probably_wraps_p.
3446 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3447 used_in_pointer_arithmetic_p, convert_step): Removed.
3448 (nowrap_type_p): New function.
3449 (scev_probably_wraps_p): Rewritten.
3450 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3451 chrec_convert if chrec_convert_aggressive might have been used.
3452 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3453 scev_direction): New functions.
3454 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3455 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3456 instead of convert_step.
3457 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3458 (convert_step): Declaration removed.
3459 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3461 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3463 * df-core.c: Added to header comments.
3464 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3465 df_ur_bb_info, df_urec_bb_info): Added comments.
3466 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3467 urec, ri problems): Fixed header comments.
3468 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3469 code from df_rd_transfer_function.
3471 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3473 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3474 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3475 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3477 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3479 * expr.c (undefined_operand_subword_p): New.
3480 (emit_move_multi_word): Do not generate move from undefined bits
3481 of a paradoxical subreg.
3483 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3485 PR rtl-optimization/27736
3486 * combine.c (replaced_rhs_value): New variable.
3487 (combine_instructions): Set it.
3488 (distribute_notes): When distributing a note in replaced_rhs_insn,
3489 check whether the value was used in replaced_rhs_value.
3491 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3494 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3495 add_referenced_var instead of add_referenced_tmp_var.
3496 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3497 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3499 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3500 tree_optimize_tail_calls_1): Use add_referenced_var.
3501 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3502 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3503 Use add_referenced_var.
3504 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3505 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3506 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3507 Use add_referenced_var.
3508 * tree-dfa.c (struct walk_state): Remove.
3509 (find_referenced_vars): Remove walk state and vars_found hash table.
3510 (make_rename_temp): Use add_referenced_var.
3511 (find_vars_r): Pass less parameters to add_referenced_var.
3512 (referenced_var_p): New. Is var in referenced_var hash table.
3513 (referenced_var_insert): Assert var isn't already in hash table.
3514 (add_referenced_var): Don't need walk_state parameter. Add var if it
3515 isn't already in the hash table.
3516 (add_referenced_tmp_var): Remove.
3517 (find_new_referenced_vars_1): Use add_referenced_var.
3518 * tree-ssa-pre.c (create_expression_by_pieces,
3519 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3520 Use add_referenced_var.
3521 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3522 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3523 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3525 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3526 vect_create_data_ref_ptr, vect_create_destination_var,
3527 vect_init_vector, vect_build_loop_niters,
3528 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3529 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3530 Use add_referenced_var.
3531 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3532 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3533 (add_referenced_var): Add prototype.
3534 * tree-ssa-structalias.c (get_constraint_for,
3535 intra_create_variable_infos): Use add_referenced_var.
3537 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3539 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3540 big-endian paradoxical subregs.
3541 * var-tracking.c (struct micro_operation_def): Document that,
3542 for modify micro operations, insn is the subsequent instruction.
3543 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3544 (var_reg_set, var_mem_set): ... new functions.
3545 (add_stores): Record subsequent insn.
3546 (compute_bb_dataflow): Use new functions for MO_USE.
3547 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3548 notes after the insn, and modify notes before the insn known
3549 to be the subsequent one.
3550 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3552 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3555 * config/i386/i386.c (ix86_expand_builtin): Use
3556 gen_sse3_monitor64 for TARGET_64BIT.
3558 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3560 PR rtl-optimization/26375
3561 PR rtl-optimization/26855
3562 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3564 (df_ru_bb_local_compute): Reversed statements and removed bogus
3565 comment explaining why they should be in wrong order.
3566 (df_ru_dump, df_rd_dump): Enhanced debug info.
3567 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3569 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3570 reaching uses and fixed space problem.
3572 2006-05-23 Jan Hubicka <jh@suse.cz>
3574 * cgraphunit.c (decide_is_function_needed): Also nested functions
3575 and functions declared inline can be optimized out at -O0.
3577 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3579 * doc/install.texi (Configuration): Remove reference to CrossGCC
3583 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3586 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3587 ix86_compare_emitted is non-NULL.
3589 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3592 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3595 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3597 PR rtl-optimization/25514
3598 * combine.c (replaced_rhs_insn): New variable.
3599 (combine_instructions): Set replaced_rhs_insn when trying to replace
3600 a SET_SRC with a REG_EQUAL note.
3601 (distribute_notes): Use replaced_rhs_insn when determining the live
3602 range of a REG_DEAD register.
3604 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3605 Anatoly Sokolov <aesok@post.ru>
3607 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3608 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3609 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3610 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3611 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3612 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3613 at90usb647, at90usb1286 and at90usb1287 devices.
3614 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3615 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3617 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3619 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3621 2006-05-22 Richard Guenther <rguenther@suse.de>
3624 2006-01-31 Richard Guenther <rguenther@suse.de>
3625 Paolo Bonzini <bonzini@gnu.org>
3627 * doc/install.texi (--disable-libgcc-math): Document.
3629 2006-05-22 Richard Guenther <rguenther@suse.de>
3632 2006-01-31 Richard Guenther <rguenther@suse.de>
3634 * doc/invoke.texi (-msselibm): Document.
3635 * target.h (expand_library_builtin): New target hook.
3636 * builtins.c (expand_builtin): Use expand_library_builtin.
3637 (default_expand_library_builtin): New function.
3638 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3639 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3640 (link_gcc_math_spec): Declare.
3641 (static_specs): Add link_gcc_math_spec.
3642 * expr.h (default_expand_library_builtin): Declare.
3643 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3644 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3645 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3646 * config/i386/i386.opt (msselibm): New target option.
3647 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3648 (ix86_init_sse_abi_builtins): New function.
3649 (ix86_expand_library_builtin): Likewise.
3650 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3651 (override_options): Handle error conditions wrt -msselibm.
3652 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3653 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3654 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3657 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3660 * c-common.c (self_promoting_args_p): Skip erroneous args.
3663 * c-decl.c (finish_struct): Skip erroneous fields.
3665 2006-05-22 Nick Clifton <nickc@redhat.com>
3667 * config/cris/cris.opt (march): Remove VarExists attribute.
3668 (max-stackframe=): Likewise.
3670 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3672 * doc/rtl.texi: Fix a typo.
3673 * see.c: Fix comment typos.
3675 * tree-ssa-structalias.h (alias_info): Remove num_references.
3677 2006-05-21 Mike Stump <mrs@apple.com>
3679 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3681 (darwin_pragma_options): Use BAD instead.
3682 (darwin_pragma_unused): Likewise.
3683 (darwin_pragma_ms_struct): Likewise.
3685 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3687 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3689 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3691 PR rtl-optimization/27671
3692 * simplify-rtx.c (simplify_relational_operation_1): Fix
3693 simplifications of (eq/ne (xor x y) y) and
3694 (eq/ne (xor x y) x).
3696 PR tree-optimization/26622.
3697 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3700 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3702 * tree-cfg.c: Prune whitespace.
3703 (debug_tree_cfg): Point to correct header containing the
3706 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3709 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3711 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3714 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3715 or sorry count is non zero.
3717 2006-05-20 Andreas Schwab <schwab@suse.de>
3719 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3721 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3722 Kenneth Zadeck <zadeck@naturalbridge.com>
3724 PR rtl-optimization/26855
3726 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3728 (df_scan_alloc): Added code to properly handle multiword hard
3729 registers and add all_blocks parameter.
3730 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3731 code to properly handle multiword hard registers.
3732 (df_rescan_blocks): Added code to remove deleted blocks from
3734 (df_ref_create_structure, df_ref_record): Added code to properly
3736 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3737 and set DF_REF_PARTIAL.
3738 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3739 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3740 (df_scan_add_problem): Added flags parameter.
3741 (df_ref_create_structure): Changed switching structure.
3742 (df_bb_refs_record): Fixed case where duplicate artificial refs
3743 were created. Changed location of flags.
3744 (df_record_entry_block_defs): Added code to make stack pointer
3745 live in entry block. Refined cases where frame pointer is needed.
3746 Changed location of flags.
3747 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3748 (df_set_state): Removed function.
3749 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3750 df_insn_create_insn_record, df_insn_refs_delete,
3751 df_ref_create_structure): Formatting changes.
3752 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3753 df_delete_basic_block): New function.
3754 (df_init): Changed location of flags.
3755 (df_add_problem): Added flags parameter and the way flags are
3757 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3758 debug_df_chain): Improved debugging output.
3759 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3760 (df_refs_chain_dump): Removed df parameter.
3761 (df_iterative_dataflow): Added consistency check.
3762 (df_prune_to_subcfg): Made public.
3763 (df_analyze_problem): Added blocks_to_init parameter and made
3765 (df_ref_record, df_bb_refs_record, df_mark_reg,
3766 df_record_exit_block_uses): Whitespace changes.
3767 (df_dump): Whitespace changes.
3768 * df.h: Some reordering to remove forward references.
3769 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3770 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3771 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3772 (dataflow.flags): New field.
3773 (df.flag): Deleted field.
3774 (df_alloc_function): Added additional bitmap parameter.
3775 (df_dependent_problem_function): New type.
3776 (df_problem.changeable_flags): New field.
3777 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3778 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3779 (df_mw_hardreg): New struct.
3780 (DF_INSN_UID_MWS): New macro.
3781 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3783 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3784 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3785 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3786 (df_set_state): Removed function.
3787 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3788 * df-problems.c (df_chain_dump): Removed df parameter.
3789 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3790 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3792 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3793 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3794 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3795 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3796 DF_REF_MUST_CLOBBER cases.
3797 (df_ru_bb_local_compute_process_def,
3798 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3799 df_lr_bb_local_compute, df_ur_bb_local_compute,
3800 df_chain_create_bb): Made subreg aware.
3801 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3802 df_lr_bb_local_compute, df_lr_bb_local_compute,
3803 df_chain_create_bb): Cleanup to use proper macros.
3804 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3805 code to fixup bitvectors.
3806 (df_ri_alloc): Cleared lifetime.
3807 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3808 df_create_unused_note): New function.
3809 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3810 REG_DEAD and REG_UNUSED notes as well as register information.
3811 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3812 df_chains_dump): Fixed crash if problem was never run.
3813 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3814 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3815 df_ri_add_problem): Processes flags in uniform manner.
3816 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3817 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3818 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3819 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3820 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3821 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3822 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3823 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3824 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3825 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3826 * see.c (see_initialize_data): Ditto.
3827 * final.c (rest_of_clean_state) Added regstack_completed.
3828 * rtl.h (regstack_completed): Ditto.
3829 * reg-stack.c (regstack_completed): Ditto.
3831 2006-05-19 Mike Stump <mrs@apple.com>
3833 * c-tree.h (default_conversion): Remove.
3834 * c-common.h (default_conversion): Add.
3836 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3838 * tree-vrp.c (valid_value_p): New function.
3839 (adjust_range_with_scev): Fail if the value of bound is not
3842 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3844 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3845 (mips_fallback_frame_state): Use syscall numbers to determine
3846 the appropriate li instruction for the current ABI. Only use
3847 __NR_sigreturn for o32.
3849 2006-05-19 Nicolas Setton <setton@adacore.com>
3851 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3852 * langhooks.c (lhd_dwarf_name): New function.
3853 * langhooks-def.h (lhd_dwarf_name): Declare.
3854 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3855 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3856 * ada/misc.c (gnat_dwarf_name): New function.
3857 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3859 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3861 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3863 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3864 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3865 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3866 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3867 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3868 determine the size of Wtype, etc.
3869 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3870 (swfloatfuncs): New variable.
3871 (dwfloatfuncs): Likewise.
3872 (lib2funcs): Remove floating-point conversion functions from
3873 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3874 the set of conversion routines needed. Allow entries to specify
3875 an object name, filename and word size. Update users accordingly.
3876 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3877 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3881 2006-02-08 Roger Sayle <roger@eyesopen.com>
3884 * config/fixtfdi.c: New libgcc source file.
3885 * config/fixunstfdi.c: New source file.
3886 * config/floatditf.c: New source file.
3887 * config/floatunditf.c: New souce file.
3888 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3889 files above instead of config/mips/_tilib.c.
3890 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3892 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3894 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3895 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3897 2006-05-18 Mike Stump <mrs@apple.com>
3899 Fix up vla, vm and [*] sematics.
3905 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3906 (c_vla_unspec_p): Add.
3907 (c_vla_type_p): Add.
3908 * c-decl.c (struct c_scope): Add had_vla_unspec.
3909 (build_array_declarator): Add support for [*].
3910 (grokdeclarator): Likewise.
3911 (grokparms): Likewise.
3912 (get_parm_info): Likewise.
3913 * c-objc-common.c (c_vla_unspec_p): Likewise.
3914 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3915 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3916 typeof when argument is a variably modified type not inside sizeof or alignof.
3917 (c_parser_direct_declarator_inner): Propagate errors.
3918 (c_parser_sizeof_expression): Add support for [*].
3919 (c_parser_parms_declarator): Initialize had_vla_unspec.
3920 (c_parser_parms_list_declarator): Likewise.
3921 * c-typeck.c (c_vla_type_p): Add.
3922 (composite_type): Add support for vla compositing.
3923 (comptypes_internal): Add support for vla compatibility.
3924 (c_expr_sizeof_expr): Evaluate vla arguments.
3925 * tree.c (variably_modified_type_p): Update comment for [*].
3927 2006-05-18 Michael Matz <matz@suse.de>
3930 * config.host: Make assignments to host_xmake_file cumulative.
3931 * config.host (*-darwin*): Test $host, not $target.
3933 2006-05-12 Stuart Hastings <stuart@apple.com>
3935 * config/i386/i386.opt (-mstackrealign): New flag.
3936 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3937 (ix86_handle_cconv_attribute): Emit error when
3938 force_align_arg_pointer attribute collides with too many regparms.
3939 (ix86_function_regparm): Limit regparms when used with
3940 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3941 Support stack-realigning prologue in non-main functions. Emit
3942 warning for nested functions under -mstackrealign, emit error for
3943 nested functions with force_align_arg_pointer attribute.
3944 * doc/extend.texi (force_align_arg_pointer): Document it.
3945 * doc/invoke.texi (-mstackrealign): Document it.
3947 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3949 PR rtl-optimization/27477
3950 * combine.c (try_combine): Don't split a parallel consisting
3951 of two sets into two individual sets if both sets reference
3954 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3956 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3957 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3959 * doc/options.texi (VarExists): Updated.
3961 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3963 * unwind-dw2.c: Add declarations for uw_update_context and
3965 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3966 detected, advance frame state and context once to skip over stub.
3968 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3972 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3973 Call rewrite_into_loop_closed_ssa only when something changed.
3974 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3975 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3976 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3977 Test for perfect_nest_p here. Fix formating.
3978 (replace_uses_equiv_to_x_with_y): Fix formating.
3979 (stmt_uses_op): Removed.
3980 (can_convert_to_perfect_nest): Removed loopivs parameter.
3981 Complete the test by checking the scalar dependences.
3982 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3985 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3988 From Dan Kegel <dank@kegel.com>:
3989 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3991 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3993 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3994 if the element type is variably modified without recursing.
3996 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3999 * tree-loop-linear.c (try_interchange_loops): Test for
4000 no data dependences.
4002 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4004 PR tree-optimization/27548
4005 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4006 range of ssa names that appear on abnormal edges.
4007 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4008 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4010 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4013 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4015 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4018 * tree.h (OMP_PARALLEL_COMBINED): Define.
4019 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4020 (new_omp_context): Add is_combined_parallel argument.
4021 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4022 new_omp_context caller.
4023 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4024 Adjust gimplify_scan_omp_clauses callers.
4025 (omp_is_private): Issue errors if iteration variable is firstprivate
4026 or reduction in the current context.
4027 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4028 on combined parallel workshare constructs.
4030 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4032 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4033 (gcc-options.o): New rule.
4035 * optc-gen.awk: Protect variables for gcc-options.o with
4036 #ifdef GCC_DRIVER/#endif.
4038 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4040 Fix PR tree-optimization/27373
4041 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4042 (forward_propagate_addr_expr): Update call.
4044 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4046 * doc/options.texi: Move the Negative option.
4048 2006-05-16 Richard Guenther <rguenther@suse.de>
4050 PR tree-optimization/22303
4051 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4053 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4054 ccp_fold did not simplify the statement.
4056 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4059 * Makefile.in (GCC_OBJS): New.
4060 (OBJS-common): Add opts-common.o.
4061 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4062 (cpp$(exeext)): Likewise.
4063 (gcc.o): Also depend on opts.h.
4064 (opts-common.o): New.
4066 * common.opt (gcoff): Add Negative(gdwarf-2).
4067 (gdwarf-2): Add Negative(gstabs).
4068 (gstabs): Add Negative(gstabs+).
4069 (gstabs+): Add Negative(gvms).
4070 (gvms): Add Negative(gxcoff).
4071 (gxcoff): Add Negative(gxcoff+).
4072 (gxcoff+): Add Negative(gcoff).
4073 * config/i386/i386.opt (m32): Add Negative(m64).
4074 (m64): Add Negative(m32).
4076 * doc/options.texi: Document the Negative option.
4078 * gcc.c: Include "opts.h".
4079 (main): Call prune_options after expandargv.
4081 * optc-gen.awk: Generate common declarations for all flag
4082 variables in options.c. Output the neg_index field.
4084 * opts.c (find_opt): Moved to ...
4085 * opts-common.c: Here. New file.
4087 * opts.h (cl_option): Add a neg_index field.
4089 (prune_options): Likewise.
4091 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4094 * omp-low.c (expand_omp_parallel): Don't assert
4095 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4096 instead search for it.
4099 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4102 2006-05-16 Andreas Schwab <schwab@suse.de>
4104 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4107 2006-05-15 Roger Sayle <roger@eyesopen.com>
4110 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4111 integer constants other than zero are only legitimate on TARGET_64BIT.
4112 <CONST_VECTOR> Only zero vectors are legitimate.
4113 (ix86_cannot_force_const_mem): Integral and vector constants can
4114 always be put in the constant pool.
4116 2006-05-16 DJ Delorie <dj@redhat.com>
4118 * crtstuff.c (__dso_handle): Set section from
4119 TARGET_LBIGCC_SDATA_SECTION if defined.
4120 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4121 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4123 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4126 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4129 2006-05-16 Ben Elliston <bje@au.ibm.com>
4131 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4133 2006-05-15 Per Bothner <per@bothner.com>
4135 * tree.c: (last_annotated_node): Use source_locus typedef.
4136 This permits bootstrapping with --enable-mapped-location.
4138 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4140 PR tree-optimization/26830
4141 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4142 (info_for_ssa_name, current_info_for_ssa_name_age,
4143 blocks_to_update): New variables.
4144 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4145 (clear_ssa_name_info, initialize_flags_in_bb,
4146 mark_block_for_update): New functions.
4147 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4148 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4149 prepare_def_site_for): Use mark_block_for_update.
4150 (mark_def_interesting): Assert that the processed block is marked in
4151 blocks_to_update. Do not take blocks argument.
4152 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4154 (rewrite_update_init_block, rewrite_update_stmt): Only process
4155 blocks with statements to rewrite.
4156 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4157 (update_ssa): Initialize and free blocks_to_update. Do not
4158 clear flags on statements. Do not use blocks bitmap.
4159 * tree.h (SSA_NAME_AUX): Removed.
4160 (struct tree_ssa_name): Removed aux field.
4161 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4163 2006-05-15 Richard Guenther <rguenther@suse.de>
4165 PR tree-optimization/27603
4166 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4167 Do computations in original type.
4169 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4171 * see.c: Code style changes such as redundant paranthesis,
4172 redundant intialization of local variables etc.
4173 (see_main): Declared now as static.
4174 * doc/invoke.texi: Update that -fsee is not enabled by
4177 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4179 * omp-low.c (check_omp_nesting_restrictions): New function.
4180 (scan_omp_1): Call it.
4183 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4184 construct, return *VAR.
4186 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4188 PR rtl-optimization/27406
4189 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4192 2006-05-14 Roger Sayle <roger@eyesopen.com>
4194 PR rtl-optimization/27538
4195 * combine.c (expand_compound_operation): Call gen_lowpart
4196 before calling simplify_shift_const.
4198 2006-05-14 Roger Sayle <roger@eyesopen.com>
4200 PR rtl-optimization/22563
4201 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4202 a fixed width bitfield, always force the intermediates into psuedos.
4204 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4207 * mkconfig.sh: Use operator = instead of == for test.
4209 2006-05-13 Nick Clifton <nickc@redhat.com>
4211 * dwarf2out.c (dbx_reg_number): Check return value from
4212 LEAF_REG_REMAP and only use it if it is valid.
4213 (multiple_reg_loc_descriptor): Likewise.
4215 2006-05-13 Richard Guenther <rguenther@suse.de>
4217 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4220 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4222 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4223 information attached to non-INSNs such as NOTEs.
4224 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4226 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4228 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4230 * config/s390/s390.md: Adjust comment describing On constraint.
4232 2006-05-11 Jan Hubicka <jh@suse.cz>
4234 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4235 to be output at -O0.
4237 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4240 * fold-const.c (size_binop): Move sanity check for arguments to
4241 the beginning of the function.
4244 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4247 2006-05-11 Richard Guenther <rguenther@suse.de>
4250 * fold-const.c (fold_unary): Handle intermediate conversion
4251 to a pointer type like intermediate conversion to an integer
4252 type in folding of (T1)(T2)var to var.
4253 Match the code to the comment in the final conversion for
4254 (T1)(T2)var to (T1)var regarding to type precision. Rather
4255 than disallow T1 being of pointer type, assert that both T1
4256 and var are of pointer type or not. Make sure not to fall
4257 over the frontends lazyness wrt array to pointer decay though.
4259 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4261 * arm.c (arm_struct_value_rtx): Delete.
4262 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4263 (arm_init_cumulative_args): Always initialize nregs to zero.
4265 2006-05-10 Richard Guenther <rguenther@suse.de>
4267 PR tree-optimization/27532
4268 * tree-object-size.c (plus_expr_object_size): Fix typo.
4270 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4273 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4274 ashrdi_const, ashrdi3): Use a scratch register.
4276 2006-05-10 Richard Guenther <rguenther@suse.de>
4278 PR tree-optimization/27302
4279 * fold-const.c (operand_equal_p): For two comparisons,
4280 try comparison of one comparison code swapped if that yields
4283 2006-05-10 Ben Elliston <bje@au.ibm.com>
4285 * tree-pretty-print.c (pretty_print_string): No need to handle
4286 '\0' as a special character.
4288 * tree.h: Include "hashtab.h".
4289 (iterative_hash_expr): Use hashval_t in its prototype.
4290 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4292 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4295 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4296 (hppa*64*-*-hpux11*): Ditto.
4297 (hppa[12]*-*-hpux11*): Ditto.
4299 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4302 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4304 2006-05-09 Michael Matz <matz@suse.de>
4306 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4307 host_extra_gcc_objs and host_xmake_file.
4308 (<*-*-linux*>): Don't overwrite host_xmake_file.
4309 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4310 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4311 (host_detect_local_cpu): Declare.
4312 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4313 * config/i386/i386.c (override_options): Handle -mtune=native
4315 * config/i386/x-i386: New file.
4316 * config/i386/driver-i386.c: New file.
4317 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4320 2006-05-09 Dirk Mueller <dmueller@suse.de>
4321 Richard Guenther <rguenther@suse.de>
4324 * fold-const.c (fold_read_from_constant_string): Relax check
4325 for matching types to matching modes.
4327 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4329 PR rtl-optimization/27335
4330 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4333 2006-05-08 Chao-ying Fu <fu@mips.com>
4334 Richard Sandiford <richard@codesourcery.com>
4336 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4337 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4338 * config/mips/mips.md (UNSPEC_SCC): New constant.
4339 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4340 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4341 (mips_emit_compare): Use it.
4342 (mips_expand_vcondv2sf): New function.
4344 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4346 Fix PR tree-optimization/27093
4347 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4348 renaming when they become not-used_alone.
4350 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4352 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4353 relocation and relocation stubs.
4355 2006-05-08 Eric Christopher <echristo@apple.com>
4357 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4360 2006-05-08 Jan Hubicka <jh@suse.cz>
4363 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4364 unused static functions are needed.
4366 2006-05-08 Roger Sayle <roger@eyesopen.com>
4369 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4370 of a reg_equiv_constant if the result is a legitimate constant.
4372 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4375 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4376 standard 80387 constants, raise the cost to prevent
4377 compress_float_constant() to generate load from memory.
4379 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4381 * config/arm/constraints.md (c): Fix a typo.
4383 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4386 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4389 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4391 (_mm_mwait): Likewise.
4393 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4395 (sse3_monitor): Make it 32bit only.
4396 (sse3_monitor64): New. 64bit monitor.
4398 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4401 * config/i386/i386.c (classify_argument): Skip fields with invalid
4404 2006-05-07 Richard Guenther <rguenther@suse.de>
4406 PR tree-optimization/27409
4407 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4408 Do not try to find zero-sized subvars.
4410 2006-05-07 Richard Guenther <rguenther@suse.de>
4412 PR tree-optimization/27136
4413 * tree-ssa-loop-niter.c (get_val_for): Correct function
4414 comment, assert requirements.
4415 (loop_niter_by_eval): Stop processing if the iterated
4416 value did not simplify.
4418 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4420 * opts.c (flag_see): remove its setting at -O3.
4422 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4424 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4425 * arm/constraints.md: New file.
4426 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4427 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4428 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4429 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4430 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4431 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4432 * arm.md: Include constraints.md.
4433 (thumb_movsi_insn): Use satisfies_constraint_J.
4434 (movhi, movqi): Use satisfies_constraint_I.
4436 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4438 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4439 for atmeg a645 device.
4441 2006-05-06 Richard Guenther <rguenther@suse.de>
4443 PR tree-optimization/27151
4444 * tree-vect-transform.c (vectorizable_condition): Punt on
4445 values that have a different type than the condition.
4447 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4450 * c-parser.c (c_parser_cast_expression): Only insert casts into
4451 hash table if pointer.
4452 * function.c (used_types_insert_helper): Rename from
4454 (used_types_insert): Call used_types_insert_helper.
4455 * function.h (used_types_insert): Accept only one argument.
4457 2006-05-05 David Edelsohn <edesohn@gnu.org>
4459 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4460 scratch with output modifier.
4462 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4465 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4466 with output modifier.
4468 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4471 * config/mips/mips.c (mips_symbolic_address_p): Return true
4472 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4473 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4475 2006-05-04 Richard Guenther <rguenther@suse.de>
4477 PR tree-optimization/14287
4478 PR tree-optimization/14844
4479 PR tree-optimization/19792
4480 PR tree-optimization/21608
4481 PR tree-optimization/27090
4482 * tree-ssa-pre.c (try_combine_conversion): New function.
4483 (compute_avail): After constructing the value-handle
4484 expression, use try_combine_conversion to combine NOP_EXPRs
4485 with previous value-handle expressions and use the result if it
4488 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4490 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4492 2006-05-04 Jan Hubicka <jh@suse.cz>
4495 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4497 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4499 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4500 that this only matches CONST_INTs. All users changed to VOIDmode
4503 * config/bfin/bfin.c: Include "optabs.h".
4504 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4506 (enum bfin_builtins): Add a number of fractional and vector builtins.
4507 (bfin_init_builtins): Likewise.
4508 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4509 (safe_vector_operand, bfin_expand_binop_builtin,
4510 bfin_expand_unop_builtin): New functions.
4511 (bfin_expand_builtin): Handle the new builtins.
4512 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4515 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4518 * Makefile.in (OBJS-common): Add see.o.
4519 (see.o): Add dependencies.
4520 * common.opt (fsee): New flag for the see optimization was added.
4521 * opts.c (flag_see): Initialized.
4522 * passes.c (init_optimization_passes, pass_see): New pass.
4523 * rtl.h (see_main): Declaration as extern.
4524 * timevar.def (TV_SEE): New.
4525 * tree-pass.h (pass_see): Declaration as extern.
4526 * invoke.texi (-fsee): Document.
4527 * recog.c (validate_simplify_insn): New function.
4528 * recog.h (validate_simplify_insn): Declaration as extern.
4529 * df-problems.c (df_chain_dump): Check for NULL.
4531 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4532 Daniel Berlin <dberlin@dberlin.org>
4534 * cfgrtl.c (insert_insn_bb_end_new): New function.
4535 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4537 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4539 * df.h (struct web_entry): Moved from web.c.
4540 (union_defs): Declaration as extern.
4541 (unionfind_root): Likewise.
4542 (unionfind_union): Likewise.
4543 * web.c (struct web_entry): Moved to df.h.
4544 (unionfind_root): Remove static declaration.
4545 (unionfind_union): Likewise.
4546 (union_defs): Likewise and generalize to use callback function.
4547 (web_main): Update arguments for union_defs function call.
4549 2006-05-04 Richard Guenther <rguenther@suse.de>
4551 PR tree-optimization/26447
4552 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4553 produce SSA_NAME copies before the store stmt to avoid
4554 breaking exception handling.
4556 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4559 * gimplify.c (omp_is_private): If var is shared in some outer context,
4560 return false instead of true. Stop searching on parallel context
4563 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4566 * coverage.c: Use get_gcov_unsigned_t() instead of
4567 unsigned_type_node all over.
4569 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4571 PR tree-optimization/27381
4572 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4573 maintain the same immediate_use links.
4574 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4575 node rather than segfaulting.
4577 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4580 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4581 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4582 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4584 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4586 Fix PR tree-optimization/26626
4587 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4589 * tree-ssa-operands.c (access_can_touch_variable): Allow
4590 typecasting through union pointers.
4592 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4595 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4596 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4597 to find if var will be a global variable even in the nested context.
4598 (omp_copy_decl): Only check for global variable at the end, it might
4599 be overridden in outer contexts.
4600 (scan_sharing_clauses): For global variables don't create a field.
4601 (lower_rec_input_clauses): Do nothing for global shared variables.
4602 Emit a barrier at the end of ILIST if there were any decls in both
4603 firstprivate and lastprivate clauses.
4604 (lower_send_clauses): Do nothing for global variables except for
4607 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4609 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4610 of the correct signedness is returned.
4612 2006-05-02 Jeff Law <law@redhat.com>
4614 PR tree-optimization/27364
4615 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4616 multiply expressions.
4618 2006-05-02 Tom Tromey <tromey@redhat.com>
4620 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4622 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4625 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4626 -mthumb -fPIC are used.
4628 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4629 Joshua Kinard <kumba@gentoo.org>
4632 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4633 with 64-bit pointers.
4635 2006-05-02 Paul Brook <paul@codesourcery.com>
4637 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4639 (create_fix_barrier): Check that a suitable barrier location is
4641 (arm_reorg): Include ftmp->address in allowable range of addresses.
4643 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4646 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4649 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4652 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4653 around RESULT_DECL for result passed by reference.
4654 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4655 * omp-low.c (use_pointer_for_field): Don't look at
4656 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4657 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4658 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4659 time or var for passing by reference for
4660 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4661 TREE_ADDRESSABLE variables when passing by reference.
4663 * omp-low.c (dump_omp_region): Fix output formatting.
4666 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4667 (expand_omp_parallel): Likewise.
4668 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4671 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4672 on statement list containing also constructors and destructors.
4673 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4676 * except.c (duplicate_eh_regions): Fix clearing of
4677 cfun->eh->region_array entries.
4679 2006-05-01 DJ Delorie <dj@redhat.com>
4681 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4683 (gcc_cv_objdump): Likewise.
4684 * configure: Regenerated.
4686 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4689 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4690 templates for case 3 and 4.
4692 2006-05-01 DJ Delorie <dj@redhat.com>
4694 * vec.c: Include bconfig.h when appropriate.
4695 * Makefile.in (build/vec.o): Adjust dependencies.
4696 * mkconfig.sh: Make sure config.h isn't used for build machine
4699 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4701 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4703 (mark_phi_for_rewrite): New function.
4704 (insert_phi_nodes_for, mark_use_interesting): Call
4705 mark_phi_for_rewrite.
4706 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4707 (update_ssa): Initialize and free phis_to_rewrite.
4709 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4711 PR rtl-optimization/27291
4712 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4713 folded to a constant.
4715 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4717 PR tree-optimization/27283
4718 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4719 not whole # of iteration descriptions.
4720 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4721 uses abnormal ssa name.
4722 (niter_for_single_dom_exit): Ditto.
4723 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4724 return just the number of iterations.
4726 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4728 PR tree-optimization/27144
4729 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4730 (record_estimate): Only record constant upper bound.
4731 (infer_loop_bounds_from_undefined): Call
4732 compute_estimated_nb_iterations just once.
4733 (proved_non_wrapping_p): Renamed to ...
4734 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4735 (convert_step_widening, scev_probably_wraps_p): Call
4736 n_of_executions_at_most instead of proved_non_wrapping_p.
4737 (substitute_in_loop_info): Do not replace values in bounds.
4738 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4741 2006-05-01 Richard Henderson <rth@redhat.com>
4744 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4745 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4748 2006-05-01 Roger Sayle <roger@eyesopen.com>
4750 * c-typeck.c (parser_build_binary_op): Don't call the function
4751 unsigned_conversion_warning to spot operand/result type overflow.
4752 (build_binary_op): Instead, call convert_and_check instead of
4753 convert to report the problem when the operands are promoted.
4754 * c-common.c (unsigned_conversion_warning): Make static.
4755 * c-common.h (unsigned_conversion_warning): Delete prototype.
4757 2006-05-01 Richard Guenther <rguenther@suse.de>
4759 PR tree-optimization/26726
4760 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4762 (find_interesting_uses_address): ... we work around here
4763 by folding INDIRECT_REFs in the substituted base.
4765 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4767 * omp-low.c (dump_omp_region): Add newlines.
4769 2006-04-30 Roger Sayle <roger@eyesopen.com>
4771 * common.opt (Woverflow): New command line option.
4772 * c-common.c (constant_expression_warning): Check warn_overflow.
4773 (overflow_waring): Pass OPT_Woverflow to warning.
4774 (unsigned_conversion_warning): Likewise.
4775 (convert_and_check): Likewise.
4776 * doc/invoke.texi: Document new command line option.
4778 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4780 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4781 TARGET_NO_FP_IN_TOC for section anchors.
4782 (optimization_options): Enable section anchors for all
4783 non-"Objective" languages.
4785 2006-04-28 Eric Christopher <echristo@apple.com>
4787 * config/darwin-c.c (darwin_ms_struct): Move this
4788 (darwin_set_default_type_attributes): and this...
4789 * config/darwin.c: ... here.
4790 * config/darwin.h (darwin_ms_struct): Declare.
4792 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4794 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4796 2006-04-28 Roger Sayle <roger@eyesopen.com>
4799 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4800 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4801 an unsigned HOST_WIDE_INT.
4802 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4804 (really_start_incremental_init): No need to call convert because
4805 bitsize_zero_node is already of type bitsizetype.
4806 (push_init_level): Extract the value of constructor_index as an
4807 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4808 (process_init_element): Likewise.
4810 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4812 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4813 value before passing to make_relative_prefix.
4815 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4818 * builtins.c (expand_builtin_memset): Expand val in original mode.
4820 2006-04-27 Eric Christopher <echristo@apple.com>
4822 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4823 with #ifndef/#endif.
4824 * config/darwin-c.c (darwin_ms_struct): New.
4825 (darwin_pragma_ms_struct): Ditto.
4826 (darwin_set_default_type_attributes): Ditto.
4827 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4828 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4829 Register ms_struct pragma.
4830 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4831 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4832 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4833 darwin_set_default_type_attributes if TARGET_MACHO.
4835 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4837 PR tree-optimization/26854
4838 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4839 * doc/tree-ssa.texi: Update immuse iterator documentation.
4840 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4841 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4842 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4843 first_safe_imm_use, next_safe_imm_use): Remove.
4844 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4845 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4846 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4847 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4848 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4849 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4850 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4851 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4852 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4853 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4854 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4855 (perfect_nestify): Use new iterator.
4856 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4858 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4859 (next_imm_name): New field in struct immediate_use_iterator_d.
4860 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4861 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4862 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4863 * tree-cfg.c (replace_uses_by): Use new iterator.
4864 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4865 * tree-ssa-operands.c (correct_use_link): Remove.
4866 (finalize_ssa_use_ops): No longer call correct_use_link.
4868 2006-04-27 Stuart Hastings <stuart@apple.com>
4870 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4871 * config/t-darwin (crt3.o): Use it.
4872 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4873 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4874 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4875 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4876 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4879 2006-04-27 Roger Sayle <roger@eyesopen.com>
4881 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4882 size, force the intermediate into a new pseudo rather instead of
4883 performing both a bitwise AND and a bitwise IOR in memory.
4885 2006-04-27 Richard Guenther <rguenther@suse.de>
4887 PR rtl-optimization/26685
4888 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4889 this one "max-flow-memory-locations".
4891 2006-04-27 Richard Guenther <rguenther@suse.de>
4893 PR tree-optimization/25148
4894 * tree-vrp.c (compare_values): Remove code dealing with
4895 comparisons against type min/max value. Honour overflow
4896 and negative constants in code dealing with comparisons
4897 of plus and minus expressions.
4898 (value_inside_range): Use fold_binary with LE_EXPR and
4899 GE_EXPR rather than compare_values.
4901 2006-04-27 Dirk Mueller <dmueller@suse.de>
4903 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4906 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4908 * basic-block.h (safe_insert_insn_on_edge): Removed.
4909 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4911 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4912 Paolo Bonzini <bonzini@gnu.org>
4915 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4916 (simplify_and_const_int): Same.
4918 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4920 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4922 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4925 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4926 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4927 cgraph_global_info_ready.
4930 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4933 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4934 either decl or init is error_mark_node.
4937 * tree-flow.h (struct omp_region): Add sched_kind.
4938 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4939 instead of extracting omp for data.
4940 (expand_omp_for): Save extracted sched_kind.
4942 2006-04-25 Roger Sayle <roger@eyesopen.com>
4944 * expmed.c (store_bit_field): Also check whether the bitsize is
4945 valid for the machine's "insv" instruction before moving the
4946 target into a pseudo for use with the insv.
4947 * config/i386/predicates.md (const8_operand): New predicate.
4948 * config/i386/i386.md (extv, extzv, insv): Use the new
4949 const8_operand predicate where appropriate.
4951 2006-04-25 DJ Delorie <dj@redhat.com>
4953 * doc/install.texi (Specific): Clarify that this is not a list of
4954 supported hosts or targets.
4956 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4958 PR rtl-optimization/26725
4959 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4960 block's BB_DIRTY flag.
4962 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4964 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4967 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4968 to print an integer.
4970 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4972 * varasm.c (align_variable): New function.
4973 (get_block_for_decl): Apply align_variable to DECL before
4974 calculating section information.
4975 (assemble_variable): Split out alignment computation.
4977 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4979 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4982 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4984 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4985 MODE_PARTIAL_INT mode.
4986 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4987 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4989 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4990 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4992 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4994 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4996 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4997 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4998 MACFLAG_IH): Likewise.
4999 (movstricthi_1): Renamed from "*movstricthi".
5000 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5001 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5002 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5003 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5004 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5005 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5006 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5007 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5008 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5009 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5010 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5011 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5012 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5013 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5014 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5016 * doc/rtl.texi (ss_ashift): Improve wording.
5018 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5020 * dwarf2out.c (verify_marks_clear): New.
5021 (prune_unused_types): Call verify_marks_clear initially, not
5024 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5026 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5027 * doc/rtl.texi: Document them.
5028 * simplify-rtx.c (simplify_unary_operation,
5029 simplify_binary_operation_1): Don't abort when we see them.
5031 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5034 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5035 * configure.ac: Completely disregard languages that are not
5037 * configure: Regenerated.
5039 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5040 Richard Guenther <rguenther@suse.de>
5042 PR tree-optimization/27236
5043 * tree-inline.c (copy_body_r): Make sure to copy
5044 TREE_THIS_VOLATILE flag.
5046 2006-04-24 Richard Guenther <rguenther@suse.de>
5049 * tree-complex.c (update_parameter_components): Don't handle
5050 unused parameters which have no default def.
5052 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5053 Richard Guenther <rguenther@suse.de>
5055 PR tree-optimization/27218
5056 * tree-inline.c (expand_call_inline): Strip useless type
5057 conversions for the return slot address.
5059 2006-04-24 Richard Guenther <rguenther@suse.de>
5061 * cfgloop.h (struct loops): Remove unused field array. Reorder
5063 (LOOP_PREFETCH): Remove.
5065 2006-04-24 Richard Guenther <rguenther@suse.de>
5067 PR tree-optimization/22525
5068 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5069 variable, adjust types of generated expressions.
5071 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5073 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5074 (tree-vect-patterns.o): Likewise.
5076 (cselib.o): Likewise.
5077 (loop-doloop.o): Likewise.
5078 (regclass.o): Likewise.
5079 (reload1.o): Likewise.
5080 (explow.o): Replace target.h with $(TARGET_H).
5081 (ipa-prop.o): Likewise.
5082 (ipa-cp.o): Likewise.
5083 (ipa-inline.o): Likewise.
5084 (reorg.o): Likewise.
5085 (reg-stack.o): Likewise.
5087 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5089 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5091 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5093 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5095 * configure.ac: Completely disregard languages that are not
5097 * configure: Regenerated.
5100 * c-common.h (c_build_bitfield_integer_type): Declare.
5101 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5102 * c-common.c (c_build_bitfield_integer_type): ... here.
5104 2006-04-23 Roger Sayle <roger@eyesopen.com>
5107 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5108 a SImode SUBREG of a floating point register after no_new_pseudos.
5110 2006-04-23 Roger Sayle <roger@eyesopen.com>
5112 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5113 identify potentially eliminable registers to additionally catch
5114 VIRTUAL_INCOMING_ARGS_REGNUM.
5115 (addsi3): Update the conditions on when to use addsi_small_int.
5117 2006-04-23 Roger Sayle <roger@eyesopen.com>
5120 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5121 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5122 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5124 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5126 * fold-const.c (range_predecessor): Use operand_equal_p
5127 as the predicate for equality.
5128 (range_successor): Likewise.
5130 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5133 * config/soft-fp/op-common.h: Fix a typo.
5135 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5138 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5139 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5141 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5143 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5145 * doc/tm.texi: Fix a typo.
5147 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5149 * dwarf2out.c (struct die_struct): Document that die_sib makes
5150 a circular linked list.
5151 (FOR_EACH_CHILD): New.
5152 (reverse_die_lists): Delete.
5153 (reverse_all_dies): Delete.
5154 (add_dwarf_attr): Correct documentation.
5155 (remove_child_with_prev): New.
5156 (remove_child_TAG): Update for change to die_struct, use
5157 remove_child_with_prev.
5158 (add_child_die): Update for change to die_struct.
5159 (splice_child_die): Use remove_child_with_prev and add_child_die.
5160 (print_die): Use FOR_EACH_CHILD.
5161 (die_checksum): Likewise.
5162 (assign_symbol_names): Likewise.
5163 (output_location_lists): Likewise.
5164 (build_abbrev_table): Likewise.
5165 (calc_die_sizes): Likewise.
5166 (mark_dies): Likewise.
5167 (unmark_dies): Likewise.
5168 (unmark_all_dies): Likewise.
5169 (output_die): Likewise.
5170 (prune_unused_types_mark): Likewise.
5171 (prune_unused_types_walk): Likewise.
5172 (same_die_p): Update for change to die_struct.
5173 (break_out_includes): Likewise.
5174 (prune_unused_types_prune): Likewise.
5175 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5176 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5178 (dwarf2out_finish): Don't call reverse_all_dies.
5180 2006-04-21 Eric Christopher <echristo@apple.com>
5182 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5183 in comments and function names.
5185 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5188 * c-typeck.c (digest_init): Robustify.
5190 * c-typeck.c (pop_init_level): Simplify.
5192 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5194 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5196 2006-04-21 Paul Brook <paul@codesourcery.com>
5198 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5199 hardware floating point.
5201 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5203 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5206 2006-04-21 Nick Clifton <nickc@redhat.com>
5208 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5211 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5214 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5215 C++ lang type in traceback table for Objective-C++.
5217 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5219 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5221 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5223 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5226 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5227 were errors. Remove check for erroneous objects.
5229 2006-04-20 Jeff Law <law@redhat.com>
5231 PR tree-optimization/26854
5232 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5233 checking for zero or one use.
5234 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5235 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5236 * tree-ssa-reassoc.c (negate_value): Similarly.
5237 (reassociate_bb): Similarly.
5239 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5241 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5242 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5243 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5245 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5247 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5248 fp regs if the last fp arg doesn't fit in regs.
5250 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5253 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5254 that the last insn has the REG_INC note.
5256 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5257 Nathan Sidwell <nathan@codesourcery.com>
5260 * stor-layout.c (update_alignment_for_field): Do not align
5262 (place_union_field): Place union field at the start of the union.
5263 (place_field): Move ERROR_MARK check later, and use the current
5264 allocation position to maintain monotonicity.
5266 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5268 * dominance.c: Include timevar.h.
5269 (calculate_dominance_info): Use TV_DOMINANCE.
5270 * timevar.def (TV_DOMINANCE): New timevar.
5271 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5273 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5275 PR rtl-optimization/14261
5276 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5277 move would be an INSV insn.
5278 (noce_process_if_block): Don't optimize if the destination is a
5279 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5281 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5283 * config/s390/s390.md: Add comments with the instructions emitted
5284 by an insn pattern if macros are used.
5286 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5288 PR rtl-optimization/26026
5289 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5290 is a known power of two shifted left a variable amount.
5292 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5294 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5295 to hash table twice when the debug_str section has SECTION_MERGE.
5297 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5299 * config/soft-fp: New directory. From glibc.
5300 * config/soft-fp/t-softfp: New.
5301 * config/soft-fp/README: New.
5302 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5303 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5304 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5305 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5306 * config.gcc: Use rs6000/t-fprules-fpbit or
5307 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5309 * config/rs6000/sfp-machine.h: New. Based on glibc.
5310 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5312 * config/rs6000/t-fprules: Remove fp-bit rules.
5313 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5314 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5315 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5316 (softfp_wrap_start, softfp_wrap_end): New.
5318 2006-04-18 DJ Delorie <dj@redhat.com>
5320 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5322 2006-04-18 Devang Patel <dpatel@apple.com>
5324 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5326 2006-04-18 Nick Clifton <nickc@redhat.com>
5328 * config/sh/t-symbian: Add rule to build sh-c.o
5329 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5330 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5331 (sh_symbian_encode_section_info): Likewise.
5333 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5335 * builtins.c (expand_builtin_strcmp): Cover label definition of
5336 do_libcall with HAVE_cmpstrnsi.
5338 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5340 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5342 * function.h (temp_slot_p): New.
5343 (function): Change the type of x_used_temp_slots to
5344 VEC(temp_slot_p,gc) *.
5346 2006-04-18 Nick Clifton <nickc@redhat.com>
5348 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5349 flag_strength_reduce.
5351 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5353 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5357 Partial revert of revision 112637
5358 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5359 Dale Johannesen <dalej@apple.com>
5362 * regclass.c (struct reg_pref): Update documentation.
5363 (regclass): Set prefclass to NO_REGS if memory is the best option.
5364 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5366 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5368 PR tree-optimization/26821
5369 * tree-ssa-math-opts.c (get_constant_one): New.
5370 (insert_reciprocals): Use it.
5372 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5374 * dwarf2out.c (free_AT): Delete.
5375 (remove_AT): Update string ref counts.
5376 (remove_child_TAG): Don't call free_die.
5378 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5379 or DW_TAG_GNU_EINCL.
5380 (prune_unused_types_walk_attribs): Reset string refcounts.
5381 (prune_unused_types_update_strings): New.
5382 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5383 call free_die. Do call prune_unused_types_update_strings.
5384 (prune_unused_types): Empty debug_str_hash.
5386 2006-04-17 Roger Sayle <roger@eyesopen.com>
5388 * expr.c (expand_assignment): Optimize away no-op moves where the
5389 source and destination are equal and have no side-effects.
5391 2006-04-17 Richard Guenther <rguenther@suse.de>
5394 * reload.c (push_reload): Guard calls to get_secondary_mem
5397 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5399 * alias.c (reg_base_value, old_reg_base_value): Change the
5400 type to VEC(rtx,gc) *.
5401 (REG_BASE_VALUE, find_base_value, record_set,
5402 init_alias_analysis): Use VEC instead of VARRAY.
5404 * alias.c (alias_sets): Change the type to
5405 VEC(alias_set_entry,gc) *.
5406 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5407 VEC instead of VARRAY.
5408 (last_alias_set): Remove.
5410 * cgraph.h (cgraph_edge_p): New.
5411 Update the prototype of cgraph_function_versioning.
5412 * cgraphunit.c (cgraph_copy_node_for_versioning,
5413 cgraph_function_versioning): Use VEC instead of VARRAY.
5414 * ipa-cp.c (ipcp_insert_stage): Likewise.
5416 2006-04-16 Roger Sayle <roger@eyesopen.com>
5419 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5420 "A op B" or "A op C", we may need to convert A to the type of B and C.
5422 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5424 * target.h (struct gcc_target): Add mode_rep_extended.
5425 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5426 (init_num_sign_bit_copies_in_rep): Initialize it using
5428 (truncate_to_mode): Use it.
5429 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5430 * targhooks.h (default_mode_rep_extended): Declare it.
5431 * targhooks.c (default_mode_rep_extended): Define it.
5432 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5433 default_mode_rep_extended.
5434 (TARGET_INITIALIZER): Include it.
5435 * doc/tm.texi (Misc): Document it.
5436 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5437 (mips_truncated_to_mode): New function.
5439 2006-04-16 Roger Sayle <roger@eyesopen.com>
5442 * expr.c (compress_float_constant): Copy the narrow constant into
5443 a new pseudo before extending it to its final width.
5445 2006-04-16 Roger Sayle <roger@eyesopen.com>
5446 Andrew Pinski <pinskia@gcc.gnu.org>
5447 Dale Johannesen <dalej@apple.com>
5450 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5451 special case code to implement V8HImode and V16QImode with SSE2.
5453 2006-04-15 Roger Sayle <roger@eyesopen.com>
5455 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5456 trees are constructed with a suitable tree type.
5458 2006-04-15 Roger Sayle <roger@eyesopen.com>
5460 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5461 (integer_onep): Likewise.
5462 (integer_all_onesp): Likewise.
5463 (integer_pow2p): Likewise.
5464 (integer_nonzerop): Likewise.
5465 (real_zerop): Likewise.
5466 (real_onep): Likewise.
5467 (real_twop): Likewise.
5468 (real_minus_onep): Likewise.
5469 (int_size_in_bytes): Likewise.
5470 (host_integerp): Likewise.
5472 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5474 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5475 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5476 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5478 * tree-ssa-structalias.h (alias_info): Remove num_references.
5480 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5482 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5483 (output_bvb patterns): Likewise.
5484 * pa.c (output_bb): Use 'bb' insn for long branch case.
5485 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5486 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5487 1. Correct length operand for alternatives 1 and 2.
5488 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5489 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5491 2006-04-14 Roger Sayle <roger@eyesopen.com>
5493 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5494 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5495 were accidentally reverted by r112959.
5497 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5500 * except.h (eh_region_outermost): New prototype.
5501 * except.c (eh_region_outermost): New function.
5502 * tree-cfg.c (find_outermost_region_in_block): Use it.
5504 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5506 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5508 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5509 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5510 (init_reload, reload): Use VEC instead of VARRAY.
5511 * reload.h: Update the prototype for
5512 reg_equiv_memory_loc_varray.
5514 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5515 Eric Botcazou <ebotcazou@libertysurf.fr>
5517 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5520 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5523 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5524 to expand fallback builtin function call.
5526 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5529 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5530 and emit libcall here in case the builtin fails.
5531 (expand_builtin_strcmp): Always emit the libcall here on failure.
5533 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5535 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5536 * flow.c (reg_n_info): Change the type to
5537 VEC(reg_info_p,heap) *.
5538 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5540 * regs.h (reg_info_p): New.
5541 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5542 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5543 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5546 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5548 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5550 * params.h (MAX_SCHED_READY_INSNS): New macro.
5551 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5552 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5553 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5554 the ready list for 1 cycle during the first scheduling pass.
5555 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5557 2006-04-13 Richard Henderson <rth@redhat.com>
5560 * gimple-low.c (lower_omp_directive): Remove dead code.
5561 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5562 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5563 * omp-low.c (struct omp_region): Move to tree-flow.h.
5564 (root_omp_region): Export.
5565 (omp_regions, lookup_omp_region): Remove.
5566 (determine_parallel_type): Update for struct omp_region changes.
5567 (dump_omp_region): Dump regions with block numbers.
5568 (new_omp_region): Take type and block instead of stmt; malloc
5570 (free_omp_region_1, free_omp_regions): New.
5571 (expand_parallel_call): Take entry_stmt as argument; update for
5572 changes to omp_region.
5573 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5574 (remove_exit_barriers): New.
5575 (expand_omp_parallel): Update for struct omp_region changes.
5576 (expand_omp_synch): Likewise.
5577 (expand_omp): Likewise.
5578 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5579 (expand_omp_for_static_chunk): Likewise.
5580 (expand_omp_for): Likewise.
5581 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5582 (expand_omp_sections): Similarly, with GOMP_sections_end.
5583 (expand_omp_single): New.
5584 (build_omp_regions_1): Update for OMP_CONTINUE.
5585 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5586 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5587 OMP_SECTIONS_SECTIONS.
5588 (lower_omp_single_simple): Don't emit barrier here.
5589 (lower_omp_single_copy): Likewise.
5590 (lower_omp_single): Fix bindings, and lower to straightline now.
5591 (lower_omp_master, lower_omp_ordered): Likewise.
5592 (lower_omp_critical): Likewise.
5593 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5594 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5595 omp edges, free it afterward.
5596 (make_omp_sections_edges): Remove.
5597 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5598 (move_stmt_r): Handle OMP_CONTINUE.
5599 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5600 statement pointers to basic blocks. Add type member.
5601 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5602 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5603 * tree-inline.c (estimate_num_insns_1): Likewise.
5604 * tree-pretty-print.c (dump_generic_node): Likewise.
5605 * tree-ssa-operands.c (get_expr_operands): Likewise.
5606 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5607 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5608 (OMP_CONTINUE): New.
5609 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5610 (OMP_SECTIONS_SECTIONS): Remove.
5611 (OMP_SECTION_LAST): New.
5612 (OMP_RETURN_NOWAIT): New.
5614 2006-04-13 Roger Sayle <roger@eyesopen.com>
5616 * fold-const.c (native_encode_vector, native_interpret_real):
5617 Correct obvious mistakes in the previous check-in.
5619 2006-04-13 Roger Sayle <roger@eyesopen.com>
5621 * fold-const.c (native_encode_expr): New function to encode
5622 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5623 or VECTOR_CST into a specified buffer.
5624 (native_encode_int): New function.
5625 (native_encode_real): New function.
5626 (native_encode_complex): New function.
5627 (native_encode_vector): New function.
5628 (native_interpret_expr): Inverse of native_encode_expr to convert
5629 a target representation into an INTEGER_CST, REAL_CST etc...
5630 (native_interpret_int): New function.
5631 (native_interpret_real): New function.
5632 (native_interpret_complex): New function.
5633 (native_interpret_vector): New function.
5634 (fold_view_convert_expr): New function to constant fold/evaluate
5635 a VIEW_CONVERT_EXPR of a suitable constant expression.
5636 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5637 Change call of build1 to fold_build1 when constructing a
5640 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5641 Ulrich Weigand <uweigand@de.ibm.com>
5644 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5647 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5650 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5651 optimize to lo_sum for DFmode if !TARGET_FPRS.
5653 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5655 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5656 delete_alias_info, compute_flow_sensitive_aliasing,
5657 group_aliases): Use VEC instead of VARRAY.
5658 * tree-ssa-structalias.c (update_alias_info): Likewise.
5659 * tree-ssa-structalias.h (alias_info): Change the type of
5660 processed_ptrs to VEC(tree,heap) *.
5662 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5665 * config/sh/lib1funcs.h: New file, broken out of:
5666 * config/sh/lib1funcs.asm.
5667 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5669 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5670 * config/sh/lib1funcs-Os-4-200.asm: New file.
5671 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5672 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5673 (EXTRA_MULTILIB_PARTS): Include it.
5674 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5675 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5676 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5677 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5680 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5682 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5683 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5684 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5686 * tree-ssa-live.h: Include vecprim.h.
5687 (tree_partition_associator_d): Change the type of
5688 first_partition to VEC(int,heap) *.
5689 (tpa_first_partition): Use VEC instead of VARRAY.
5691 * Makefile.in (GTFILES): Move functions.h after tree.h.
5692 * function.c (reset_block_changes, record_block_change,
5693 check_block_change, free_block_changes): Use VEC instead of
5695 * function.h (function): Change the type of
5696 ib_boundaries_block to VEC(tree,gc) *.
5697 * tree-inline.c (copy_cfg_body): Initialize
5698 ib_boundaries_block to NULL instead of (varray_type) 0.
5700 2006-04-12 Roger Sayle <roger@eyesopen.com>
5702 * expr.c (emit_group_store): Correct operand order in call to
5703 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5704 a SUBREG_BYTE of zero.
5706 2006-04-12 Richard Guenther <rguenther@suse.de>
5708 * profile.c (compute_branch_probabilities): Remove code
5709 encapsulated in !ir_type (), which are remanents of the
5710 removed RTL profiling code.
5711 * rtl-profile.c: Remove.
5713 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5715 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5716 magic NULL_RTX comment.
5717 (function_arg): Store entire fp arg to mem if any part should go
5719 (rs6000_arg_partial_bytes): Adjust for above change.
5721 2006-04-11 Roger Sayle <roger@eyesopen.com>
5723 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5724 if it hasn't been initialized by dwarf2out_init.
5726 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5728 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5729 symbolic constants in branch patterns.
5731 2006-04-11 Roger Sayle <roger@eyesopen.com>
5733 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5735 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5737 PR rtl-optimization/27073
5738 * gcse.c (try_replace_reg): Revert last change. Continue to search
5739 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5742 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5744 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5745 aggregate types other than record and union types.
5746 (function_arg): Likewise.
5747 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5749 (function_value): In 64-bit mode, return objects that require it
5752 2006-04-11 Roger Sayle <roger@eyesopen.com>
5754 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5756 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5758 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5760 2006-04-03 Jeff Law <law@redhat.com>
5763 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5764 alias information too.
5766 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5768 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5770 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5773 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5774 (premark_used_types_helper): New.
5775 (premark_used_types): New.
5776 (gen_subprogram_die): Call premark_used_types.
5777 (prune_unused_types_walk): Do not prune perennial dies.
5778 * function.c (used_types_insert): New.
5779 * function.h (struct function): Add used_types_hash field.
5780 (used_types_insert): Add prototype.
5781 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5782 * c-parser.c (c_parser_cast_expression): Save casted types in used
5785 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5788 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5789 rs6000_explicit_options.float_gprs.
5791 2006-04-10 Roger Sayle <roger@eyesopen.com>
5793 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5794 from ix86_expand_vector_init_low_nonzero. Take an additional
5795 one_var argument indicating which element is non-zero. Support
5796 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5797 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5798 with one_var instead of ix86_expand_vector_init_low_nonzero.
5800 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5802 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5803 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5804 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5805 build/genextract.o): Depend on vecprim.h.
5806 * cfglayout.c, df-problems.c, function.c, genextract.c,
5807 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5808 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5812 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5814 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5815 Declare VECs of this type.
5816 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5817 (remove_children): Delete.
5818 (add_dwarf_attr): Use VEC routines.
5819 (add_AT_flag): Update for changes to add_dwarf_attr.
5820 (add_AT_int): Likewise.
5821 (add_AT_unsigned): Likewise.
5822 (add_AT_long_long): Likewise.
5823 (add_AT_vec): Likewise.
5824 (add_AT_string): Likewise.
5825 (add_AT_die_ref): Likewise.
5826 (add_AT_fde_ref): Likewise.
5827 (add_AT_loc): Likewise.
5828 (add_AT_loc_list): Likewise.
5829 (add_AT_addr): Likewise.
5830 (add_AT_lbl_id): Likewise.
5831 (add_AT_lineptr): Likewise.
5832 (add_AT_macptr): Likewise.
5833 (add_AT_offset): Likewise.
5834 (add_AT_range_list): Likewise.
5835 (get_AT): Use VEC_iterate.
5836 (remove_AT): Use VEC_ordered_remove.
5837 (free_die): Fold remove_children into here; have it use VEC_iterate.
5838 (print_die): Use VEC_iterate on attrs.
5839 (reverse_die_lists): Don't reverse attr lists.
5840 (die_checksum): Use VEC_iterate on attrs.
5841 (same_die_p): Likewise.
5842 (output_location_lists): Likewise.
5843 (build_abbrev_table): Likewise.
5844 (size_of_die): Likewise.
5845 (unmark_all_dies): Likewise.
5846 (output_abbrev_section): Likewise.
5847 (output_die): Likewise.
5848 (prune_unused_types_walk_attribs): Likewise.
5850 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5852 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5854 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5857 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5859 2006-04-09 Roger Sayle <roger@eyesopen.com>
5861 * expr.c (store_constructor): Don't bother clearing target if
5862 we're about to assign a vector to it using vec_init_optab.
5864 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5866 * tree-ssa-alias.c (lhs_may_store_to): New function.
5867 (recalculate_used_alone): Handle LHS of calls.
5869 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5873 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5874 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5875 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5876 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5877 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5878 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5879 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5880 stubs. Add ".align 8" directives before all ".dword" directives.
5881 (GTHREAD_USE_WEAK): Revise comment.
5882 (TARGET_ATTRIBUTE_WEAK): Define.
5883 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5884 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5885 * stublib.c: New file.
5890 * pa.md (cbranch patterns): Revise arguments used in calls to
5891 output_cbranch, output_bb and output_bvd. Add long branch length
5893 (fbranch patterns): Handle long branches.
5894 (jump): Revise length check. Revise arguments for output_lbranch call.
5895 Add long branch length attributes.
5896 (decrement_and_branch_until_zero): Add long branch length attributes.
5897 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5898 Likewise. Revise arguments for output_parallel_addb and
5899 output_parallel_movb calls.
5900 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5901 output_parallel_movb and output_parallel_addb): Update prototypes.
5902 * pa.c (output_cbranch): Revise arguments. Correct handling of
5903 nullification in long branches.
5904 (output_lbranch): Add new argument to control extraction of delay
5906 (output_bb): Handle long branches.
5907 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5908 output_parallel_addb): Likewise.
5910 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5912 PR rtl-optimization/27073
5913 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5916 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5918 * tree.h (tree_memory_tag): Add old_used_alone.
5919 (SMT_OLD_USED_ALONE): New macro.
5920 * tree-ssa-alias.c (recalculate_used_alone): Stop
5921 marking things for renaming unnecessarily.
5923 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5925 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5926 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5927 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5928 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5929 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5930 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5931 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5932 spelling convensions.
5933 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5934 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5935 typos. Follow spelling conventions.
5937 2006-04-07 DJ Delorie <dj@redhat.com>
5939 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5940 passed on the stack.
5941 (m32c_init_cumulative_args): When a function returns a structure,
5942 always pass the pointer to that return area on the stack.
5943 (m32c_function_arg_advance): Don't increment the parameter number
5944 if we're processing the returned structure pointer.
5945 (pushm_info): Reverse order of registers.
5947 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5949 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5950 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5951 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5952 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5954 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5955 chrec_fold_multiply): Same.
5956 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5957 force_expr_to_var_cost): Same.
5958 * tree-mudflap.c (mf_xform_derefs_1): Same.
5959 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5961 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5963 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5964 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5967 2006-04-07 Jan Hubicka <jh@suse.cz>
5969 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5971 2006-04-07 Richard Guenther <rguenther@suse.de>
5973 PR tree-optimization/26135
5974 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5975 loads for store copy-prop.
5976 (copy_prop_visit_stmt): Likewise.
5978 2006-04-05 Robert Millan <robertmh@gnu.org>
5980 * config/i386/linux.h: Add a comment to mark macros that are
5981 being overriden in config/k*bsd-gnu.h.
5982 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5984 * config/knetbsd-gnu.h: Ditto.
5986 2006-04-06 Jan Hubicka <jh@suse.cz>
5990 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5993 2006-04-06 Mike Stump <mrs@apple.com>
5995 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5996 for HAVE_nonlocal_goto to be consistent.
5997 (expand_builtin_nonlocal_goto): Likewise.
5998 (expand_builtin_strcmp): Use #ifdef instead of #if
5999 for HAVE_cmpstrnsi to be consistent.
6001 2006-04-05 DJ Delorie <dj@redhat.com>
6003 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6006 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6008 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6009 got-relative addressing for anything but SImode.
6011 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6012 even if the calling function doesn't modify them.
6014 2006-04-05 Richard Guenther <rguenther@suse.de>
6016 PR tree-optimization/26919
6017 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6018 to cgraph_estimate_size_after_inlining.
6020 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6022 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6024 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6026 PR tree-optimization/26996
6027 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6028 VECTOR_TYPE variables.
6030 2006-04-05 Richard Guenther <rguenther@suse.de>
6032 PR tree-optimization/26763
6033 * fold-const.c (fold_comparison): Move folding of
6034 PTR + CST CMP PTR + CST ...
6035 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6037 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6039 * doc/install.texi (Prerequisites): Refine some wording on
6040 bootstrapping and ksh.
6041 Move the version numbers of DejaGnu here from the testing section
6042 and fix casing of names.
6043 Fix markup and clarify wording for autogen requirements.
6044 Refer to GCJ instead of just java.
6045 Refer to SVN instead of CVS.
6046 Describe diffutils as useful instead of necessary.
6047 (Downloading the source): Refer to SVN instead of CVS.
6048 Adjust a link to our web site accordingly.
6049 (Configuration): Fix casing of Bison.
6050 (Building): Refer to SVN instead of CVS.
6051 Fix a sentence on the use of Bison and remove duplicate (and
6052 incorrect) version number of Bison requirement.
6053 Remove one redundant list of packages needed for building.
6054 (Specific): Avoid reference to CVS.
6056 2006-04-04 Eric Christopher <echristo@apple.com>
6058 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6059 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6060 (rs6000_handle_struct_attribute): New.
6061 (rs6000_ms_bitfield_layout_p): Ditto.
6063 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6065 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6066 NULL for dso parameter to atexit_common.
6068 2006-04-04 Eric Christopher <echristo@apple.com>
6070 * config/i386/i386.c (machopic_output_stub): Output \t
6071 between instructions and operands.
6073 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6075 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6076 satisfies_constraint_[IL] to explicit tests on value.
6078 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6080 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6081 set_nb_iterations_in_loop): Use build_int_cst instead of
6083 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6084 build_int_cst instead of convert.
6086 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6088 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6089 new value 2 for incoming.
6090 * function.c (expand_function_start): Call struct_value_rtx
6092 * config/sparc/sparc.md: Comment updated_return.
6093 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6094 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6095 struct return if sparc_std_struct_return and incoming is 2.
6096 (print_operand): Do not adjust return if
6097 sparc_std_struct_return.
6099 2006-04-04 Roger Sayle <roger@eyesopen.com>
6101 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6102 convert in the middle-end.
6103 * expr.c (store_expr, store_constructor, get_inner_reference,
6104 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6106 * tree.c (build_range_type): Likewise.
6108 2006-04-04 Tom Tromey <tromey@redhat.com>
6110 * doc/install.texi (Prerequisites): Mention jar.
6112 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6114 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6117 2006-04-04 Matthias Klose <doko@debian.org>
6119 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6120 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6123 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6125 * doc/extend.texi (Function Attributes): Rewrite visibility
6126 attribute documentation.
6127 * doc/invoke.texi (C++ Dialect Options): Rewrite
6128 -fvisibility-inlines-hidden documentation to describe something
6129 entirely different, although in practise compatible.
6130 (Code Gen Options): Warn about system headers in -fvisibility=
6133 * doc/extend.texi (Other Builtins): Document that
6134 __builtin_nan is a compile-time constant only when its argument
6137 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6139 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6140 trying to remove TRUNCATE check if all bits outside the new mode
6141 are identical to the sign bit.
6143 2006-04-03 Jeff Law <law@redhat.com>
6145 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6146 and operand scanning in some common cases.
6148 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6149 Dale Johannesen <dalej@apple.com>
6152 * regclass.c (struct reg_pref): Update documentation.
6153 (regclass): Set prefclass to NO_REGS if memory is the best option.
6154 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6155 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6156 into account. For non-registers, equate an empty preferred
6157 reload class to a `!' in the constraint; move the if clause to
6158 do so after those that reject the insn.
6159 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6161 (find_dummy_reload): Likewise.
6162 * doc/tm.texi (Register Classes): Document what it means
6163 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6164 * config/i386/i386.c (ix86_preferred_reload_class): Force
6165 using SSE registers (and return NO_REGS for floating-point
6166 constants) if math is done with SSE.
6167 (ix86_preferred_output_reload_class): New.
6168 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6169 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6170 * config/i386/i386.md: Remove # register preferences.
6172 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6175 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6176 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6177 the type of nb_iter.
6178 (instantiate_parameters_1): Convert the operands before calling
6179 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6180 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6182 2006-04-02 Roger Sayle <roger@eyesopen.com>
6184 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6185 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6187 * dojump.c (do_jump): Likewise.
6188 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6189 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6190 gimplify_boolean_expr): Likewise.
6191 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6192 * varasm.c (array_size_for_constructor): Likewise.
6193 * tree-object-size.c (compute_object_offset): Likewise.
6195 2006-04-02 Roger Sayle <roger@eyesopen.com>
6198 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6199 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6201 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6203 PR tree-optimization/26939
6204 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6206 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6208 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6209 at_stmt. Convert the type of operands before calling
6210 build_polynomial_chrec.
6211 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6213 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6214 (instantiate_parameters_1): Convert the type of operands before calling
6215 build_polynomial_chrec.
6216 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6217 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6218 reset_evolution_in_loop): Insert asserts to check the types of the
6220 (chrec_type): Moved...
6221 (eq_evolutions_p): Use operand_equal_p.
6222 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6223 the types of the operands.
6224 (chrec_type): ...here.
6225 * tree-data-ref.c (create_data_ref): Convert the operands before
6226 calling chrec_replace_initial_condition.
6227 (same_access_functions, analyze_subscript_affine_affine,
6228 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6229 (compute_subscript_distance, analyze_ziv_subscript,
6230 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6231 analyze_miv_subscript): Convert the operands before calling
6232 chrec_fold_minus or chrec_fold_plus.
6234 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6236 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6237 the dependence_relations vector.
6238 (compute_data_dependences_for_loop): Adjust call to
6239 compute_all_dependences.
6241 2006-04-01 Roger Sayle <roger@eyesopen.com>
6242 Richard Henderson <rth@redhat.com>
6244 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6245 gimple_boolify on the condition before calling gimplify_expr.
6247 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6249 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6250 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6251 the frame size. Update to use the new macros.
6252 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6253 * config/xtensa/ieee754-df.S: Likewise.
6255 2006-03-31 Richard Henderson <rth@redhat.com>
6257 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6258 (make_edges): ... here. Control fallthru creation with a local
6259 variable. Do not play with fake edges.
6260 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6261 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6264 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6266 * dwarf2.h (DW64_CIE_ID): Define.
6267 * dwarf2out.c (DWARF_CIE_ID): Define.
6268 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6269 length header. Use DWARF_CIE_ID.
6270 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6271 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6273 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6275 * config/sh/linux-atomic.asm: New file.
6276 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6278 2006-03-31 DJ Delorie <dj@redhat.com>
6280 * config/m32c/cond.md: Set condition flags properly throughout.
6281 * config/m32c/minmax.md: Likewise.
6282 * config/m32c/prologue.md: Likewise.
6283 * config/m32c/bitops.md: Likewise.
6284 * config/m32c/muldiv.md: Likewise.
6285 * config/m32c/mov.md: Likewise.
6286 * config/m32c/addsub.md: Likewise.
6287 * config/m32c/m32c.md: Likewise.
6288 * config/m32c/jump.md: Likewise.
6289 * config/m32c/shift.md: Likewise.
6291 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6292 conditionally output the pattern for this.
6293 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6294 (m32c_compare_redundant): New.
6295 (m32c_output_compare): New.
6296 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6298 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6299 dest, not src. Allow other 4-byte modes.
6301 2006-03-30 Denis Chertykov <denisc@overta.ru>
6303 * doc/md.texi: Refer to avr/constraints.md instead of
6306 2006-03-30 Roger Sayle <roger@eyesopen.com>
6308 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6309 signed vs. unsigned comparison failures on some hosts.
6311 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6314 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6315 change to FLOAT_REGS.
6317 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6318 (rs6000_override_options): Use it.
6319 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6320 only for -mabi=spe/no-spe and -mabi=altivec.
6322 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6324 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6327 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6329 * Makefile.in: Rename docdir to gcc_docdir.
6331 2006-03-30 Roger Sayle <roger@eyesopen.com>
6334 * expr.c (emit_group_store): Optimize group stores into a pseudo
6335 register by using a paradoxical subreg to initialize the destination
6336 if the first or last member of the group specifies a "low part".
6338 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6341 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6342 * target.h (struct gcc_target.speculate_insn): Change type of the
6343 second parameter to 'int'.
6344 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6345 the second operand of the DEPS_LIST.
6346 (copy_DEPS_LIST_list): Update reference to the second operand of the
6348 * rtl.h (alloc_DEPS_LIST): Update signature.
6349 * sched-int.h (ds_t): Change typedef to 'int'.
6350 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6352 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6354 * haifa-sched.c (try_ready): Change condition to restore
6355 non-speculative pattern of the instruction.
6356 (process_insn_depend_be_in_spec): Code to keep probability of the
6357 speculative dependence non-decreasing.
6359 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6361 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6362 (single_move_for_movmem): ... this. Also change all uses.
6363 (bfin_expand_strmov): Renamed to...
6364 (bfin_expand_movmem): ... this. Also change all uses.
6365 * config/bfin/bfin.md (movstrsi): Renamed to...
6366 (movstrsi): ...this.
6368 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6370 PR tree-optimization/26830
6372 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6373 (copy_prop_visit_stmt): Remove write-only variable ann.
6374 (init_copy_prop): Check variable loop depth here. Do not simulate
6375 memory-tag and virtual operand PHIs except for store copy prop.
6377 2006-03-30 Richard Guenther <rguenther@suse.de>
6379 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6380 variants with double arguments.
6382 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6384 * genpreds.c (write_tm_constrs_h): Delete variable p.
6385 * genconditions.c (write_header): Add tm-constrs.h to included
6387 * genpeep.c (main): Add toplev.h to included headers.
6388 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6389 (build/genpeep.o): Add toplev.h dependency.
6390 * config/rs6000/constraints.md: Add "W" constraint.
6392 2006-03-29 Roger Sayle <roger@eyesopen.com>
6394 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6395 sizes by correctly testing whether the size fits a host integer.
6396 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6397 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6398 SImode range for the default sizetype and bitsizetype.
6400 2006-03-29 Roger Sayle <roger@eyesopen.com>
6402 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6403 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6404 quickly if the argument is already of the correct type.
6405 Call fold_build1 instead of build1. Tidy up blank lines.
6407 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6409 * genemit.c (main): Add tm-constrs.h to included headers.
6410 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6411 * genpeep.c (main): Add tm-constrs.h to included headers.
6412 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6413 (write_tm_constrs_h): this and write complete file.
6414 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6415 (write_insn_preds_c): Add tm-constrs.h to included headers.
6416 (gen_constrs): New variable.
6417 (parse_option): Parse "-c".
6418 (main): Invoke write_tm_constrs_h.
6419 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6420 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6421 (object_out_file): Add tm-constrs.h dependency.
6422 (insn-emit.o): Same.
6423 (insn-output.o): Same.
6424 (insn-peep.o): Same.
6425 (insn-preds.o): Same.
6426 (insn-recog.o): Same.
6427 (tm-constsr.h): New target.
6428 (s-constrs-h): New target.
6430 * config/rs6000/constraints.md: New file.
6431 * config/rs6000/rs6000.c: Include tm-constrs.h.
6432 (num_insn_constant_wide): Convert to satisfies_constraint.
6433 (rs6000_rtx_costs): Convert to satisfies_constraint.
6434 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6435 (CONST_OK_FOR_LETTER_P): Delete.
6436 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6437 (EXTRA_CONSTRAINT): Delete.
6438 (EXTRA_MEMORY_CONSTRAINT): Delete.
6439 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6440 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6441 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6442 satisfies_constraint.
6444 * config/i386/i386.c: Include tm-constrs.h.
6446 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6448 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6449 * tree-data-ref.c (find_data_references_in_loop,
6450 compute_data_dependences_for_loop): Use pointers to VEC.
6451 (analyze_all_data_dependences): Adjust calls.
6452 * tree-data-ref.h (find_data_references_in_loop,
6453 compute_data_dependences_for_loop): Adjust declarations.
6454 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6455 compute_data_dependences_for_loop.
6457 2006-03-29 Paul Brook <paul@codesourcery.com>
6459 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6462 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6464 PR tree-optimization/26859
6465 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6467 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6468 for the step after fold_convert.
6470 2006-03-29 Paul Brook <paul@codesourcery.com>
6472 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6473 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6475 2006-03-29 Paul Brook <paul@codesourcery.com>
6478 * targhooks.c (default_narrow_bitfield): New fuction.
6479 * targhooks.h (default_narrow_bitfield): add prototype.
6480 * target.h (gcc_target): Add narrow_volatile_bitfield.
6481 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6482 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6483 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6484 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6486 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6488 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6490 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6491 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6492 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6493 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6494 (s390_function_arg_float): Allow SDmode and DDmode values to be
6495 passed in floating point registers.
6496 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6497 check with SCALAR_FLOAT_MODE_P.
6498 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6500 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6502 PR tree-optimization/25985
6503 * tree-ssa-loop-niter.c (number_of_iterations_le,
6504 number_of_iterations_ne): Make comments more precise.
6505 (number_of_iterations_cond): Add only_exit argument. Use the
6506 fact that signed variables do not overflow only when only_exit
6508 (loop_only_exit_p): New.
6509 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6510 number_of_iterations_cond.
6512 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6514 PR tree-optimization/26643
6515 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6518 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6520 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6521 (divsi3_i4_int): Likewise.
6523 2006-03-28 Roger Sayle <roger@eyesopen.com>
6525 * expr.c (emit_group_store): Only create a new pseudo reg if the
6526 quantity it needs to hold isn't already a suitable pseudo.
6528 2006-03-28 Jeff Law <law@redhat.com>
6530 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6531 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6533 2006-03-28 Roger Sayle <roger@eyesopen.com>
6535 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6536 the equivalent ~X & Y, and the symmetry related transformations.
6537 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6538 ~X & Y, and symmetry related transforms.
6540 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6542 Revert my 2006-03-27 patches.
6544 2006-03-28 Roger Sayle <roger@eyesopen.com>
6546 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6547 ~(T1)X, when T1 and T2 are integer types of the same precision
6548 and (T2)X isn't an extension.
6550 2006-03-28 Jeff Law <law@redhat.com>
6552 PR tree-optimization/26796
6553 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6554 need EH edge cleanups rather than purging them immediately.
6555 (eliminate_degenerate_phis): Handle queued EH cleanups.
6557 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6559 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6562 2006-03-27 Roger Sayle <roger@eyesopen.com>
6565 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6566 cast BIT_NOT_EXPR operand to the correct type.
6568 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6570 * tree-loop-linear.c: Don't include varray.h.
6571 (gather_interchange_stats, try_interchange_loops,
6572 linear_transform_loops): Use VEC instead of VARRAY.
6573 * lambda-mat.c: Don't include varray.h.
6574 * tree-chrec.c: Same.
6575 * lambda-trans.c: Same.
6576 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6577 VEC instead of VARRAY.
6578 * tree-vectorizer.h: Idem.
6579 * tree-data-ref.c (dump_data_references,
6580 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6581 initialize_data_dependence_relation, finalize_ddr_dependent,
6582 compute_all_dependences, find_data_references_in_loop,
6583 compute_data_dependences_for_loop, analyze_all_data_dependences,
6584 free_dependence_relation, free_dependence_relations,
6585 free_data_refs): Idem.
6586 * tree-data-ref.h (data_reference_p, subscript_p): New.
6587 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6588 VEC instead of VARRAY.
6589 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6590 (find_data_references_in_loop, compute_data_dependences_for_loop,
6591 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6592 dump_data_dependence_relations, free_dependence_relations,
6593 free_data_refs): Adjust declaration.
6594 (lambda_transform_legal_p): Move declaration here...
6595 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6596 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6597 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6598 vect_analyze_data_refs): Use VEC instead of VARRAY.
6599 * lambda.h (lambda_transform_legal_p): ...from here.
6600 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6601 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6602 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6603 tree-chrec.o): Don't depend on VARRAY_H.
6605 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6607 * rtl.def (Copyright): Update date.
6608 (DEPS_LIST): Change type of the second operand to 'int'.
6609 * target.h (Copyright): Update date.
6610 (struct gcc_target.speculate_insn): Change type of the second parameter
6612 * lists.c (Copyright): Update date.
6613 (alloc_DEPS_LIST): Change signature. Update reference to the second
6614 operand of the DEPS_LIST.
6615 (copy_DEPS_LIST_list): Update reference to the second operand of the
6617 * rtl.h (Copyright): Update date.
6618 (alloc_DEPS_LIST): Update signature.
6619 * sched-int.h (Copyright): Update date.
6620 (ds_t): Change typedef to 'int'.
6621 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6623 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6625 * haifa-sched.c (Copyright): Update date.
6626 (try_ready): Change condition to restore non-speculative pattern
6628 (process_insn_depend_be_in_spec): Code to keep probability of the
6629 speculative dependence non-decreasing.
6631 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6633 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6634 shut up the compiler.
6636 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6638 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6639 to use lib prefix for target.
6640 ($(T)libic_invalidate_array_4-200.a): Likewise.
6641 ($(T)libic_invalidate_array_4a.a): Likewise.
6643 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6644 J"orn Rennecke <joern.rennecke@st.com>
6646 * superh.opt: New file.
6647 * sh.c (boardtype, osruntime): Remove.
6648 * superh.h (SUBTARGET_OPTIONS): Remove.
6649 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6651 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6652 arguments with ^ and/or [].
6654 * config.gcc (sh-*-*): Add quoting to account for quirk of
6656 Replace == with = in enable_incomplete_targets test.
6658 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6659 with MASK_LITTLE_ENDIAN.
6661 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6662 * config/sh/sh.opt: Added to some comments.
6663 * config/sh/superh.h: Removed some chaff.
6665 * config/sh/sh.opt: Add m4-[1234]00* options.
6666 * config/sh/sh.c (sh_handle_option): Likewise.
6667 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6668 (ic_invalidate_array_4-100.o): New rule.
6669 ($(T)libic_invalidate_array_4-100.a): Likewise.
6670 (ic_invalidate_array_4-200.o): Likewise.
6671 ($(T)libic_invalidate_array_4-200.a): Likewise.
6672 (ic_invalidate_array_4a.o): Likewise.
6673 ($(T)libic_invalidate_array_4a.a): Likewise.
6674 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6675 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6677 * config/sh/crt1.asm: Merged in profiling code.
6678 * config/sh/superh.h (STARTFILE_SPEC): Override.
6679 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6680 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6681 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6683 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6684 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6685 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6687 * sh.opt (mpretend-cmove): New option.
6688 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6689 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6690 (movsicc): Add TARGET_PRETEND_CMOVE code.
6692 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6694 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6695 s390_class_max_nregs): New function prototypes.
6696 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6697 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6698 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6699 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6701 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6703 * dwarf2out.c (add_location_or_const_value_attribute): Call
6704 tree_add_const_value_attribute if nothing else works.
6705 (reference_to_unused): New.
6706 (rtl_for_decl_init): Use reference_to_unused to decide whether
6707 to output an initializer.
6709 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6712 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6713 peephole removing spe frob_di_df_2.
6715 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6717 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6718 (subscript_dependence_tester_1): Declared.
6719 (print_dir_vectors, print_dist_vectors): New.
6720 (debug_data_dependence_relation): New.
6721 (dump_data_dependence_relation): Print more details.
6722 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6723 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6724 (save_dist_v, save_dir_v, add_outer_distances,
6725 build_classic_dist_vector_1): New.
6726 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6727 Don't test for lambda_vector_lexico_pos.
6728 (same_access_functions, add_multivariate_self_dist,
6729 add_other_self_distances, dir_from_dist): New.
6730 (build_classic_dir_vector): Replace implementation almost identical to
6731 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6733 (subscript_dependence_tester_1): New.
6734 (subscript_dependence_tester): Handle the lexicographically negative
6735 distance vectors by recomputing the dependence relation.
6736 (compute_affine_dependence): Remove parameter loop_nest_depth.
6737 (compute_self_dependence): Don't call compute_subscript_distance.
6738 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6739 Add a parameter for the loop_nest.
6740 (find_loop_nest_1, find_loop_nest): New.
6741 (compute_data_dependences_for_loop): Compute the loop nest, and give
6742 up if the nest is not well formed.
6743 * tree-data-ref.h (loop_p): New.
6744 (struct data_dependence_relation): Replace size_vect field with
6745 loop_nest, a vec of loops.
6746 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6747 (DDR_LOOP_NEST): New.
6748 (print_dir_vectors, print_dist_vectors,
6749 debug_data_dependence_relation): Declared.
6750 (index_in_loop_nest): New.
6751 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6752 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6755 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6757 * simplify-rtx.c (simplify_relational_operation): Call
6758 simplify_relational_operation_1 even if mode is VOIDmode.
6760 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6762 PR tree-optimization/26804
6763 * tree.h (DECL_CALL_CLOBBERED): New macro.
6764 (tree_decl_common): Add call_clobbered_flag.
6765 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6766 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6767 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6768 (mark_non_addressable): Ditto.
6769 * tree-ssa.c (verify_call_clobbered): New function.
6770 (verify_alias_info): Use it.
6771 * tree-pass.h (pass_reset_cc_flags): New prototype.
6772 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6773 (reset_cc_flags): New function.
6774 * passes.c (init_optimization_passes): Call reset_cc_flags after
6775 initializing referenced_vars.
6777 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6778 Roger Sayle <roger@eyesopen.com>
6781 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6782 to 1.0 for non-real operands. Implement A / A optimization for
6785 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6787 * config/i386/i386.c (size_cost): Correct the comment for
6788 cost of storing fp registers.
6789 (i386_cost): Likewise.
6790 (i486_cost): Likewise.
6791 (pentium_cost): Likewise.
6792 (pentiumpro_cost): Likewise.
6793 (k6_cost): Likewise.
6794 (athlon_cost): Likewise.
6795 (k8_cost): Likewise.
6796 (pentium4_cost): Likewise.
6797 (nocona_cost): Likewise.
6798 (generic64_cost): Likewise.
6799 (generic32_cost): Likewise.
6801 2006-03-24 Denis Chertykov <denisc@overta.ru>
6803 * config/avr/avr-protos.h (extra_constraint): Delete.
6804 (extra_constraint_Q): New declaration.
6805 * config/avr/constraints.md: New file.
6806 * config/avr/avr.md: Include it.
6807 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6808 (TMP_REGNO, ZERO_REGNO): Likewise.
6809 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6810 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6811 (extra_constraint): Delete.
6812 (extra_constraint_Q): Test for memory constraint 'Q'.
6813 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6814 (REG_CLASS_FROM_LETTER): Delete.
6815 (CONST_OK_FOR_LETTER_P): Delete.
6816 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6817 (EXTRA_CONSTRAINT): Delete.
6818 (TMP_REGNO): Delete.
6819 (ZERO_REGNO): Delete.
6821 2006-03-24 Jeff Law <law@redhat.com>
6823 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6824 directly. Call mark_new_vars_to_rename slightly earlier.
6826 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6828 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6830 (gen_compile_unit_die): Use new language types for Objective-C and
6832 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6833 DW_LANG_C_plus_plus.
6836 * config/t-darwin (crt3.o): Work around bug 26840.
6837 * config/darwin-crt3.c: Rewrite.
6838 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6840 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6842 * doc/invoke.texi: Document -femit-class-debug-always
6843 * common.opt: Add -femit-class-debug-always.
6845 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6847 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6848 index and base register.
6849 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6850 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6851 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6852 REGNO_OK_FOR_INDEX_P.
6853 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6855 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6856 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6857 REG_OK_FOR_BASE_P): Definitions removed.
6859 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6862 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6863 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6864 set yet or weren't marked as local yet.
6866 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6868 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6871 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6873 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6874 (rs6000_legitimate_small_data_p): Delete.
6875 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6876 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6877 and make static. Add forward declaration. Update uses.
6878 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6879 of offsettable_memref_p.
6880 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6881 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6883 2006-03-24 Jeff Law <law@redhat.com>
6885 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6886 around bug in immediate-use iterator.
6888 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6891 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6892 or __LITTLE_ENDIAN__.
6894 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6896 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6897 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6898 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6899 * config/sh/sh.opt (mdiv=): Amend description.
6900 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6901 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6902 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6903 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6904 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6905 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6906 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6907 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6908 TARGET_DIVIDE_CALL_FP.
6910 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6912 * haifa-sched.c (choose_ready): Fix type of the local variable.
6913 Move local variables. Add comment.
6914 (check_reg_live): Change signature. Make callable from debugger.
6915 * sched-int.h (check_reg_live): Update signature.
6916 * sched-ebb.c (check_reg_live): Update parameters.
6917 * sched-rgn.c (check_reg_live): Ditto.
6918 (region_head_or_leaf_p): Check pointer before dereferencing.
6919 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6920 before reload on optimization levels below 1.
6922 2006-03-23 Richard Henderson <rth@redhat.com>
6924 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6928 * config/alpha/predicates.md (local_symbolic_operand): Reject
6931 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6934 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6935 expressions which have overflowed constants.
6937 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6939 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6941 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6943 * cfgloopmanip.c (create_loop_notes): Removed.
6944 * final.c (final_scan_insn): Do not handle loop notes.
6945 * jump.c (squeeze_notes): Ditto.
6946 * cfglayout.c (skip_insns_after_block,
6947 duplicate_insn_chain): Ditto.
6948 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6950 * cfgloop.h (create_loop_notes): Declaration removed.
6952 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6954 * varasm.c (output_constant_pool): Restore fnname and fndecl
6956 (assemble_start_function): Adjust call accordingly.
6957 (assemble_end_function): Likewise.
6959 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6962 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6965 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6967 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6970 * system.h (ICE_EXIT_CODE): New macro.
6971 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6972 (diagnostic_action_after_output): Likewise.
6973 * gcc.c (fatal_ice): New function.
6974 (execute): Use it instead of fatal.
6975 (fancy_abort): Likewise.
6976 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6978 2006-03-22 Jeff Law <law@redhat.com>
6980 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6981 iv_analyze_result returning false.
6983 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6985 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6987 2006-03-22 Richard Henderson <rth@redhat.com>
6990 * except.c (duplicate_eh_regions_0): New.
6991 (duplicate_eh_region_1): Duplicate the children of the node as
6992 well as the node itself. Link them up properly.
6993 (duplicate_eh_region_2): Merge into ...
6994 (duplicate_eh_regions): ... here. Take copy_region argument, and
6995 copy only a sub-tree if asked. Simplify copying and fixup.
6996 (eh_region_outer_p): New.
6997 * except.h (duplicate_eh_regions): Update decl.
6998 (eh_region_outer_p): Declare.
6999 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7000 (lower_omp_master): Likewise.
7001 (lower_omp_ordered): Likewise.
7002 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7003 (move_stmt_r): Use it to remap labels. Handle recursion vs
7004 remap_decls_p properly.
7005 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7006 (find_outermost_region_in_block): New.
7007 (new_label_mapper): New.
7008 (move_sese_region_to_fn): Copy eh information to the new function
7010 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7012 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7015 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7017 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7018 into shared libraries.
7020 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7022 * doc/md.texi: Refer to i386/constraints.md instead of
7024 * config/i386/constraints.md: New file, extracted from...
7025 * config/i386/predicates.md: ...here.
7026 * config/i386/i386.md: Include constraints.md.
7028 2006-03-21 Jason Merrill <jason@redhat.com>
7030 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7033 * expr.c (init_block_move_fn): Force default visibility.
7034 (init_block_clear_fn): Likewise.
7035 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7036 * targhooks.c (default_external_stack_protect_fail): Likewise.
7038 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7040 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7041 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7042 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7043 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7044 (loadgp): Use mips_current_loadgp_style.
7045 (loadgp_noshared): New pattern.
7046 (sibcall_internal): Use MIPS_CALL.
7047 (sibcall_value_internal): Likewise.
7048 (sibcall_value_multiple_internal): Likewise.
7049 (call_internal): Likewise.
7050 (call_value_internal): Likewise.
7051 (call_value_multiple_internal): Likewise.
7052 (call_split): Use MIPS_CALL and add an 'S' constraint.
7053 (call_value_split): Likewise.
7054 (call_value_multiple_split): Likewise.
7055 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7056 (-mshared): New option.
7057 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7058 (mips_current_loadgp_style): Declare.
7059 * config/mips/mips.c (mips_classify_symbol): Avoid using
7060 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7061 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7062 TARGET_ABSOLUTE_ABICALLS.
7063 (override_options): Adjust comments. Improve the warning that is
7064 issued when -mabicalls and -G are used together.
7065 (mips_file_start): Remove comment.
7066 (mips_current_loadgp_style): New function.
7067 (mips_gnu_local_gp): New variable.
7068 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7070 (mips_output_function_prologue): Use mips_current_laodgp_style.
7071 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7072 the cprestore instruction.
7073 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7074 live for TARGET_ABSOLUTE_ABICALLS.
7075 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7076 (ASM_SPEC): Pass down -mshared and -mno-shared.
7077 (MIPS_CALL): New macro.
7078 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7080 * doc/invoke.texi (-mabicalls): Update documentation.
7081 (-mshared): Document.
7083 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7085 * config/ia64/unwind-hpux.c: New file.
7086 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7088 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7091 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7093 2006-03-21 Jeff Law <law@redhat.com>
7095 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7096 type conversions of a VR_VARYING source to a wider type.
7098 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7100 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7101 tm_file on Solaris 10 and later.
7102 (sparc64-*-solaris2*): Likewise.
7103 (sparc-*-solaris2*): Likewise.
7104 * config/sol26.h: Rename to config/sol2-6.h.
7105 * config/sol2-10.h: New file.
7107 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7110 * tree-ssa-pre.c (create_component_ref_by_pieces):
7113 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7116 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7117 return it immediately.
7119 2006-03-21 Michael Matz <matz@suse.de>
7121 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7123 (remove_arc, add_arc): Update num_out_arcs member.
7124 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7126 (cache_presence): New function.
7127 (compare_states_for_equiv): New function.
7128 (state_is_differed): Don't take number of outargs, adjust callers.
7129 Use new invariant for speeding up.
7130 (init_equiv_class): Create initial classes based on sorted
7132 (partition_equiv_class): Don't track out_arcs_num.
7133 (evaluate_equiv_classes): Call cache_presence on all states and
7136 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7138 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7139 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7140 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7141 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7143 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7144 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7145 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7146 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7147 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7149 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7150 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7151 (REGNO_REG_CLASS): ARGP is in PREGS.
7152 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7154 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7155 to deal with those addresses.
7156 * addresses.h: New file.
7157 * caller-save.c: Include "addresses.h".
7158 (init_caller_save): Use new base_reg_class function.
7159 * rtl-factoring.c: Include "addresses.h".
7160 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7161 * recog.c: Include "addresses.h".
7162 (preprocess_constraints): Use new base_reg_class function.
7163 * regrename.c: Include "addresses.h".
7164 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7165 functions. Keep track of a new var INDEX_CODE to compute valid
7167 (replace_oldest_value_addr): Likewise.
7168 (replace_oldest_value_mem): Use base_reg_class.
7169 * reload.c: Include "addresses.h".
7170 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7171 (find_reloads): Use new base_reg_class function.
7172 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7173 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7174 all callers and prototype changed.
7175 * reload1.c: Include "addresses.h".
7176 (maybe_fix_stack_asms): Use base_reg_class.
7177 * regclass.c: Include "addresses.h".
7178 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7179 (init_reg_autoinc): Use new base_reg_class function.
7180 (record_reg_classes): Likewise.
7181 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7182 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7183 Use new args to compute necessary class.
7185 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7186 regrename.o, rtl-factoring.o): Update dependencies.
7187 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7188 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7189 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7190 REG_OK_FOR_INDEX_P): Delete documentation.
7192 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7194 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7195 from V7 to V9 for Solaris 7 and above.
7197 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7199 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7200 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7201 argument pointers may not alias any other storage.
7202 * common.opt: Define option -fargument-noalias-anything.
7203 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7204 alias semantics is specified by flag_argument_noalias > 2.
7206 2006-03-20 Jeff Law <law@redhat.com>
7208 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7209 (pass_phi_only_cprop): Declare.
7210 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7212 * tree-ssa-dom.c (degenerate_phi_result): New function.
7213 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7214 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7215 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7216 (eliminate_degenerate_phis): Likewise.
7217 (pass_phi_only_cprop): New pass descriptor.
7218 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7219 support code. Callers updated.
7220 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7221 (store_copy_prop): Likewise.
7222 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7224 2006-03-20 Jason Merrill <jason@redhat.com>
7227 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7228 (push_visibility, pop_visibility): Likewise.
7229 * c-pragma.h: Declare them.
7231 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7233 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7235 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7236 parameter and use get_ebb_head_tail.
7237 (sh_md_init_global): Adjust uses of find_regmode_weight.
7239 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7241 * function.h (struct function) <x_tail_recursion_reentry>:
7242 Rename to x_stack_check_probe_note.
7243 (tail_recursion_reentry): Rename to stack_check_probe_note.
7244 * function.c: Replace tail_recursion_reentry with
7245 stack_check_probe_note everywhere.
7246 (expand_function_start): Only emit a note for
7247 stack_check_probe_note with -fstack-protect.
7248 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7250 * emit-rtl.c (remove_unnecessary_notes): Remove.
7251 (pass_remove_unnecessary_notes): Remove.
7252 * rtl.h (remove_unnecessary_notes): Remove prototype.
7253 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7254 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7255 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7257 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7260 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7261 (valid_in_set): Handle ARRAY_REF.
7262 Change "if min_variant or VH" to asserts.
7263 (create_component_ref_by_pieces): Handle ARRAY_REF.
7264 (create_expression_by_pieces): Likewise.
7265 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7267 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7269 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7270 is operand of switch, not str[0].
7272 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7274 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7275 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7277 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7279 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7280 end of insn_extra_address_constraint declaration.
7282 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7284 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7285 (no-sum-in-toc): Same.
7286 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7288 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7289 NO_FP_IN_TOC for -fPIC instead of mask.
7291 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7292 (BOOT_LDFLAGS): Delete.
7294 * config/rs6000/t-aix52: Same.
7296 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7297 (stmsi[345678]_power): New.
7299 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7301 * config/ia64/ia64.opt: Add empty line to end of file.
7303 2006-03-17 Richard Guenther <rguenther@suse.de>
7306 * builtins.c (get_pointer_alignment): For component style references
7307 adjust alignment to the component type alignment. Make sure
7308 to adjust alignment for component access of constants.
7310 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7312 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7315 2006-03-17 Paul Brook <paul@codesourcery.com>
7317 * doc/install.texi: Docuemnt --with-mode.
7318 * config.gcc: Add --with-mode for arm*-*-*.
7319 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7321 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7323 * sh.c (max_labelno_before_reorg): New variable.
7324 (sh_reorg): Initialize it.
7325 (find_barrier): Check max_labelno_before_reorg before using
7326 label_to_alignment. Take length of explicit alignment insns
7327 into account. When seeing a UNSPECV_CONST_END, return it.
7329 * sh.c (fixup_mova): Set mode of affected label to QImode.
7330 (untangle_mova): New function.
7331 (find_barrier): Use it. Check mode of label before decrementing
7333 (sh_reorg): Likewise.
7334 Set mode of all insns back to VOIDmode.
7336 * sh.c (MOVA_LABELREF): New macro.
7337 (mova_p, fixup_mova, sh_reorg): Use it.
7338 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7339 ADDR_DIFF_VEC matches mova.
7341 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7343 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7344 with ATTRIBUTE_UNUSED.
7346 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7348 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7349 pointer, instead of assuming it is possible to derive the
7350 correct args size from a call insn.
7352 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7354 * rtl.h (CONST_INT_P): Define.
7355 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7356 instead of GET_CODE(x) == CONST_INT.
7357 (vax_rtx_costs): Likewise.
7358 (vax_output_int_move): Likewise.
7359 (vax_output_int_add): Likewise.
7360 (legitimate_constant_address_p): Likewise.
7361 (index_term_p): Likewise.
7362 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7363 * config/vax/vax.md (and<mode>3): Likewise.
7364 (ashrsi3): Likewise.
7366 (movstricthi): Likewise.
7367 (movstrictqi): Likewise.
7368 (rotrsi3): Likewise.
7369 (five unnamed insns): Likewise.
7371 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7373 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7374 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7375 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7376 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7377 Pass to ASM_OUTPUT_DWARF_OFFSET.
7378 * dwarf2out.c (debug_frame_section): New.
7379 (output_call_frame_info): Use debug_frame_section. Pass it to
7380 dw2_asm_output_offset.
7381 (output_die): Pass appropriate section to dw2_asm_output_offset.
7382 (output_compilation_unit_header): Likewise.
7383 (output_pubnames): Likewise.
7384 (output_aranges): Likewise.
7385 (enum dw_val_class): Break dw_val_class_lbl_offset into
7386 dw_val_class_lineptr and dw_val_class_macptr.
7387 (add_AT_lbl_offset): Delete.
7388 (add_AT_lineptr): New.
7389 (add_AT_macptr): New.
7390 (AT_lbl): Expect a lineptr or macptr.
7391 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7392 (attr_checksum): Likewise.
7393 (same_dw_val_p): Likewise.
7394 (size_of_die): Likewise.
7395 (value_format): Likewise.
7396 (output_die): Likewise.
7397 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7399 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7400 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7401 * config/darwin-protos.h (darwin_file_start): New.
7402 (darwin_asm_output_dwarf_offset): New.
7403 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7404 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7406 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7407 if not EH section; simplify.
7408 (darwin_file_start): New.
7409 (darwin_asm_output_dwarf_offset): New.
7410 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7412 (DEBUG_INFO_SECTION): Likewise.
7413 (DEBUG_ABBREV_SECTION): Likewise.
7414 (DEBUG_ARANGES_SECTION): Likewise.
7415 (DEBUG_MACINFO_SECTION): Likewise.
7416 (DEBUG_LINE_SECTION): Likewise.
7417 (DEBUG_LOC_SECTION): Likewise.
7418 (DEBUG_PUBNAMES_SECTION): Likewise.
7419 (DEBUG_STR_SECTION): Likewise.
7420 (DEBUG_RANGES_SECTION): Likewise.
7421 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7422 (ASM_OUTPUT_DWARF_OFFSET): New.
7424 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7426 * config.gcc (tm_defines): Always add to previous value rather
7429 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7431 * config/mips/predicates.md (splittable_const_int_operand): New,
7432 split from move_operand.
7433 (splittable_symbolic_operand): New.
7434 (move_operand): Add commentary. Use splittable_const_int_operand.
7435 Inline mips_atomic_symbolic_constant_p.
7436 * config/mips/mips.md: Add combine splitters for handling moves
7437 of splittable_const_int_operands and splittable_symbolic_operands.
7438 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7439 (mips_split_symbol): Declare.
7440 (mips_move_integer): Declare.
7441 * config/mips/mips.c (mips_split_p): Make global.
7442 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7443 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7444 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7445 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7446 (mips_offset_within_object_p): Handle block symbols.
7447 (mips_atomic_symbolic_constant_p): Delete.
7448 (mips_cannot_force_const_mem): Return false for constants that
7449 mips_legitimize_move can handle.
7450 (mips_use_blocks_for_constant_p): New function.
7451 (mips_split_symbol): Make global.
7452 (mips_move_integer): Likewise. Add a temporary register argument.
7453 (mips_legitimize_const_move): Use splittable_const_int_operand and
7454 splittable_symbolic_operand.
7455 (mips_use_anchors_for_symbol_p): New function.
7456 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7457 (mips_split_p): Declare.
7459 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7461 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7462 (mips*-*-linux*): Likewise.
7464 2006-03-16 Roger Sayle <roger@eyesopen.com>
7465 Daniel Speyer <dspeyer@wam.umd.edu>
7468 * tree-dump.c (dump_real): New function.
7469 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7470 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7471 (tree-dump.o): Add $(REAL_H) to the dependencies.
7473 2006-03-16 Roger Sayle <roger@eyesopen.com>
7476 * real.c (real_from_string): If the mantissa is zero, don't bother
7477 parsing the exponent as the result should always be zero.
7479 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7481 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7483 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7485 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7486 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7487 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7488 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7489 ia64_sched_finish_global): New static functions to implement
7490 hooks from gcc_target.sched.
7491 (spec_check_no, max_uid, pending_data_specs): New static variables.
7492 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7493 ia64_spec_check_src_p): New static functions.
7494 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7495 (TARGET_SCHED_ADJUST_COST): Removed.
7496 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7497 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7498 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7499 TARGET_SCHED_GEN_CHECK,
7500 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7501 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7502 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7503 Fixed to handle speculation checks.
7504 (rtx_needs_barrier): Fixed to handle speculative loads and
7506 (ia64_variable_issue): Added code to count speculative loads and their
7508 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7510 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7512 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7514 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7515 (ia64_reorg): Reset stops_p to NULL after it is freed.
7516 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7517 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7518 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7520 (data_speculative, control_speculative, check_load): New attributes.
7521 (mov<mode>_advanced, mov<mode>_speculative,
7522 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7523 zero_extend<mode>di2_speculative,
7524 zero_extend<mode>di2_speculative_advanced): New patterns for
7525 data and control speculative loads.
7526 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7528 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7529 New pattern for data and control speculation checks.
7530 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7531 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7532 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7533 Auxiliary definitions for the patterns.
7534 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7535 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7537 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7539 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7540 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7541 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7542 New resource constraints.
7543 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7545 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7546 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7547 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7548 msched-in-control-spec, msched-ldc, msched-control-ldc,
7549 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7550 msched-prefer-non-control-spec-insns,
7551 msched-count-spec-in-critical-path): New flags to tune speculative
7553 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7554 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7555 msched-in-control-spec, msched-ldc, msched-control-ldc,
7556 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7557 msched-prefer-non-control-spec-insns,
7558 msched-count-spec-in-critical-path): Document new flags.
7560 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7562 * target.h (struct spec_info_def): New opaque declaration.
7563 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7564 speculate_insn, needs_block_p, gen_check,
7565 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7566 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7567 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7568 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7569 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7570 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7572 (TARGET_SCHED): Use new macros.
7573 * rtl.h (copy_DEPS_LIST_list): New prototype.
7574 * sched-int.h (struct sched_info): Change signature of new_ready field,
7575 adjust all initializations. New fields: add_remove_insn,
7576 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7577 region_head_or_leaf_p.
7578 (struct spec_info_def): New structure declaration.
7579 (spec_info_t): New typedef.
7580 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7581 recovery_block, orig_pat.
7582 (glat_start, glat_end): New variables declaraions.
7583 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7585 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7586 DETACH_LIFE_INFO, USE_GLAT.
7587 (enum SPEC_SCHED_FLAGS): New enumeration.
7588 (NOTE_NOTE_BB_P): New macro.
7589 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7590 attach_life_info, debug_spec_status, check_reg_live): New functions.
7591 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7592 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7594 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7595 * ddg.c (get_block_head_tail): Adjust all uses.
7596 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7597 (sms_sched_info): Initialize new fields.
7598 (contributes_to_priority): Removed.
7599 * haifa-sched.c (params.h): New include.
7600 (get_block_head_tail): Adjust all uses.
7601 (ISSUE_POINTS): New macro.
7602 (glat_start, glat_end): New global variables.
7603 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7604 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7605 old_last_basic_block, before_recovery, current_sched_info_var,
7606 rgn_n_insns, luid): New static variables.
7607 (insn_cost1): New function. Move logic from insn_cost to here.
7608 (find_insn_reg_weight1): New function. Move logic from
7609 find_insn_reg_weight to here.
7610 (reemit_notes, move_insn, max_issue): Change signature.
7611 (move_insn1): Removed.
7612 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7613 extend_bb): New static functions to support extension of scheduler's
7615 (generate_recovery_code, process_insn_depend_be_in_spec,
7616 begin_speculative_block, add_to_speculative_block,
7617 init_before_recovery, create_recovery_block, create_check_block_twin,
7618 fix_recovery_deps): New static functions to support
7619 generation of recovery code.
7620 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7621 restore_bb_notes, move_block_after_check, move_succs): New static
7622 functions to support ebb scheduling.
7623 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7624 functions to support handling of register live information.
7625 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7626 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7627 add_jump_dependencies): New static functions.
7628 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7629 consistancy checking.
7630 (debug_spec_status): New function to call from debugger.
7631 (priority): Added code to handle speculation checks.
7632 (rank_for_schedule): Added code to distinguish speculative instructions.
7633 (schedule_insn): Added code to handle speculation checks.
7634 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7635 Fixed to handle ebbs.
7636 (move_insn): Added code to handle ebb scheduling.
7637 (max_issue): Added code to use ISSUE_POINTS of instructions.
7638 (choose_ready): Added code to choose between speculative and
7639 non-speculative instructions.
7640 (schedule_block): Added code to handle ebb scheduling and scheduling of
7641 speculative instructions.
7642 (sched_init): Initialize new variables.
7643 (sched_finish): Free new variables. Print statistics.
7644 (try_ready): Added code to handle speculative instructions.
7645 * lists.c (copy_DEPS_LIST_list): New function.
7646 * sched-deps.c (extend_dependency_caches): New function. Move logic
7647 from create_dependency_caches to here.
7648 (get_dep_weak, ds_merge): Make global.
7649 * genattr.c (main): Code to output prototype for
7650 dfa_clear_single_insn_cache.
7651 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7652 (output_dfa_clean_insn_cache_func): Code to output
7653 dfa_clear_single_insn_cache function.
7654 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7656 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7658 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7659 New static variables.
7660 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7661 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7663 (ebb_sched_info): Initialize new fields.
7664 (get_block_head_tail): Adjust all uses.
7665 (compute_jump_reg_dependencies): Fixed to use glat_start.
7666 (schedule_ebb): Code to remove unreachable last block.
7667 (schedule_ebbs): Added code to update register live information.
7668 * sched-rgn.c (region_sched_info): Initialize new fields.
7669 (get_block_head_tail): Adjust all uses.
7670 (last_was_jump): Removed. Adjust users.
7671 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7672 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7673 Implement new hooks.
7674 (check_dead_notes1): New static function.
7675 (struct region): New fields: dont_calc_deps, has_real_ebb.
7676 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7677 (BB_TO_BLOCK): Fixed to handle EBBs.
7678 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7679 (ebb_head): New static variable.
7680 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7681 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7683 (compute_dom_prob_ps): New assertion.
7684 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7685 global_live_at_start.
7686 (init_ready_list): New assertions.
7687 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7688 (new_ready): Add support for BEGIN_CONTROL speculation.
7689 (schedule_insns): Fixed code that updates register live information
7691 (schedule_region): Fixed to handle EBBs.
7692 (init_regions): Use extend_regions and check_dead_notes1.
7693 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7694 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7695 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7696 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7697 TARGET_SCHED_GEN_CHECK,
7698 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7699 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7700 * doc/invoke.texi (max-sched-insn-conflict-delay,
7701 sched-spec-prob-cutoff): Document.
7703 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7705 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7706 inter_tick, queue_index.
7707 (struct sched_info): Change signature of init_ready_list field.
7708 Adjust all initializations.
7709 (RESOLVED_DEPS): New access macro.
7710 (ready_add): Remove prototype.
7711 (try_ready): Add prototype.
7712 * sched-rgn.c (init_ready_list): Use try_ready.
7713 (schedule_region): Initialize
7714 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7715 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7716 (init_ready_list): Use try_ready.
7717 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7718 * lists.c (remove_list_elem): Remove `static'.
7719 (remove_free_INSN_LIST_elem): New function.
7720 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7721 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7722 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7724 (readyp): New variable.
7725 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7726 change_queue_index, resolve_dep): New static functions.
7727 (try_ready): New function. Adjust callers in sched-rgn.c and
7728 sched-ebb.c to use it instead of ready_add.
7729 (clock_var): Move at the begining of file.
7730 (rank_for_schedule): Fix typo.
7731 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7732 (ready_lastpos): Enforce assertion.
7733 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7735 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7736 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7737 (queue_to_ready): Use free_INSN_LIST_list.
7738 (early_queue_to_ready): Fix typo.
7739 (schedule_block): Init readyp. Move init_ready_list call after the
7740 initialization of clock_var. Fix error in rejecting insn by
7741 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7742 that previously corrected INSN_TICKs. Add code for handling
7744 (set_priorities): Fix typo.
7745 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7746 Clarify comment and code that keeps current_sched_info->next_tail
7749 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7751 * sched-rgn.c (extend_rgns): New static function.
7752 (find_rgns): Use it.
7753 (gather_region_statistics, print_region_statistics): New static
7755 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7756 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7758 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7759 Andrey Belevantsev <abel@ispras.ru>
7761 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7762 * lists.c (unused_deps_list): New variable.
7763 (free_list): Add assertions to verify the proper distinguishing
7764 between INSN_LISTs and DEPS_LISTs.
7765 (find_list_elem, remove_list_elem, remove_list_node): New static
7767 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7768 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7769 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7770 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7772 (free_INSN_LIST_node): Likewise.
7773 * modulo-sched.c (current_sched_info): Initialize flags field.
7774 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7775 * rtl.def (DEPS_LIST): Define.
7776 * rtl.h: Declare new functions from lists.c.
7777 * sched-deps.c (spec_dependency_cache): New static variable.
7778 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7779 (add_dependence): Change return type to void. Move the logic to ...
7780 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7781 (delete_all_dependences): Add comment about forward_dependency_cache.
7782 Handle spec_dependency_cache. Handle DEPS_LISTs.
7783 (fixup_sched_groups): Clarify the change of priority of output
7784 and anti dependencies.
7785 (sched_analyze_2): Adjust add_dependence calls to create data
7786 speculative dependence.
7787 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7788 Adjust all callers. Handle DEPS_LISTS.
7789 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7790 presence of speculation.
7791 (init_dependency_caches, free_dependency_caches):
7792 Handle spec_dependency_cache.
7793 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7794 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7795 New static functions.
7796 (add_or_update_back_dep, add_or_update_back_forw_dep,
7797 add_back_forw_dep, delete_back_forw_dep): New functions.
7798 * sched-int.h (ds_t, dw_t): New typedefs.
7799 (struct sched_info): Add new field flags.
7800 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7801 Prototype new sched-deps.c functions.
7802 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7803 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7804 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7805 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7806 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7807 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7809 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7811 * sched-rgn.c (current_sched_info): Initialize flags field.
7812 (schedule_insns): Initialize current_sched_info before the sched_init
7814 * sched-ebb.c (current_sched_info): Initialize flags field.
7815 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7816 Call add_or_update_back_dep instead of add_dependence.
7817 Create control speculative dependencies.
7818 (schedule_insns): Initialize current_sched_info before the sched_init
7821 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7823 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7825 (sh_fallback_frame_state): Likewise.
7827 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7829 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7830 Do switch on default_use_cxa_atexit.
7831 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7832 * config/darwin-crt3.o: New.
7833 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7834 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7835 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7837 * config/rs6000/t-darwin: Move crt2.o building to here.
7838 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7839 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7842 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7844 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7845 from '! xxx' to '!xxx' for coding-style conformance.
7846 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7847 (EXTRA_CONSTRAINT): Likewise.
7848 * config/vax/vax.md (four unnamed insns): Likewise.
7850 2006-03-15 Paul Brook <paul@codesourcery.com>
7852 * config/arm/arm.c (minipool_pad): New.
7853 (add_minipool_forward_ref): Include pool alignment padding in address
7855 (push_minipool_fix): Set minipool_pad.
7856 (minipool_pad): Ditto.
7858 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7860 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7861 instead of GET_CODE() == MEM and REG_P() instead of
7863 (print_operand_address): Likewise.
7864 (vax_address_cost): Likewise.
7865 (vax_rtx_costs): Likewise.
7866 (vax_notice_update_cc): Likewise.
7867 (vax_output_int_add): Likewise.
7868 (INDEX_REGISTER_P): Likewise.
7869 (BASE_REGISTER_P): Likewise.
7870 (nonindexed_address_p): Likewise.
7871 (vax_mode_dependent_address_p): Likewise.
7872 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7873 (PRINT_OPERAND): Likewise.
7874 * config/vax/vax.md (ashlsi3): Likewise.
7875 (ashlsi3): Likewise.
7876 (some more unnamed insns): Likewise.
7878 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7880 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7881 iterator-style macro.
7882 (mark_control_dependent_edges_necessary): Update the use of
7883 EXECUTE_IF_CONTROL_DEPENDENT.
7885 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7887 * config/sh/predicates.md (cache_address_operand): Special.
7888 (ua_address_operand): Likewise.
7890 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7892 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7894 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7896 2006-03-15 Andreas Schwab <schwab@suse.de>
7898 * gensupport.c (identify_predicable_attribute): Don't free p_false
7899 when it is still in use.
7901 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7903 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7904 the default setting here.
7906 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7908 * tree-pass.h (pass_cfg): Remove.
7909 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7910 * passes.c (pass_cfg): Don't run it.
7912 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7914 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7915 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7917 (stack_regs_mentioned): Update the uses of
7918 stack_regs_mentioned_data. Don't access the array beyond its
7920 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7921 Don't include gt-reg-stack.h.
7923 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7924 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7926 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7929 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7932 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7934 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7936 2006-03-14 Richard Guenther <rguenther@suse.de>
7938 PR tree-optimization/26672
7939 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7942 2006-03-14 Richard Guenther <rguenther@suse.de>
7944 PR tree-optimization/26667
7945 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7946 node for the callees. Always allow inlining if it will shrink
7949 2006-03-14 Richard Guenther <rguenther@suse.de>
7952 * builtins.c (get_pointer_alignment): Prefer alignment
7953 information from decls over that from types.
7955 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7958 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7960 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7962 * config/rs6000/rs6000.opt (mdlmzb): New option.
7963 (msched-prolog, msched-epilog): Use Var not Mask.
7964 * doc/invoke.texi (-mdlmzb): Document.
7965 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7967 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7968 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7970 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7972 PR rtl-optimization/25739
7973 * bt-load.c (augment_live_range): Free tos pointer.
7975 * gensupport.c (identify_predicable_attribute): Free
7977 * gcov.c (create_file_names): Free name pointer.
7979 2006-03-13 Roger Sayle <roger@eyesopen.com>
7982 * stmt.c (emit_case_nodes): Handle the case where the index is a
7983 CONST_INT, where the comparison mode is specified by the index type.
7985 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7987 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7990 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7992 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7993 (*branch_fp_inverted): Likewise.
7995 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7998 * omp-low.c (expand_omp_for_generic): Mark istart0
7999 and iend0 as addressable.
8001 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8003 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8005 2006-03-13 Jeff Law <law@redhat.com>
8007 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8008 virtual operands are interesting.
8009 (vrp_visit_stmt): Corresponding changes.
8011 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8013 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8015 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8016 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8017 * config/bfin/crti.S: Use it instead of __PIC__.
8018 * config/bfin/crtn.S: Likewise.
8020 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8021 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8023 Lose 'G' modifier for call operand.
8024 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8025 recognize 'G' modifier.
8027 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8030 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8031 * stmt.c (expand_case): Likewise.
8033 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8035 PR rtl-optimization/26254
8036 * loop-invariant.c (seq_insns_valid_p): New function.
8037 (move_invariant_reg): Only emit new code if it is valid.
8039 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8041 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8043 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8044 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8045 (commit_one_edge_insertion): Do not look for loop notes.
8047 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8049 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8050 flag_test_coverage out of loop.
8052 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8054 * final.c (shorten_branches): Remove outdated comment, and turn
8055 the if branch that guards it to continue.
8057 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8059 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8060 * cfgloop.h (struct loop): Remove unused fields.
8062 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8064 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8065 (-dL, -fdump-rtl-loop2): Update the dump file names
8067 * doc/invoke.texi: Update dump file names.
8069 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8071 * predict.c (estimate_probability): Remove.
8072 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8073 * basic-block.h (estimate_probability): Remove prototype.
8074 * passes.c (finish_optimization_passes): Dump branch prediction or
8075 profiling heuristics to the .profile tree dump.
8076 (init_optimization_passes): Unqueue pass_branch_prob.
8078 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8080 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8082 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8083 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8085 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8087 * function.h (frame_offset_overflow): Declare.
8088 * function.c (frame_offset_overflow): New function.
8089 (assign_stack_local_1): Call it to detect that the offset overflows.
8090 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8092 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8094 * config/sh/sh.c: Include alloc-pool.h.
8095 (label_ref_list_pool): New alloc pool.
8096 (label_ref_list_t): New type for lists of labels.
8097 (struct pool_node): Make wend a label_ref_list_t.
8098 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8100 (dump_table): Likewise.
8101 (sh_reorg): Set up the alloc pool before using add_constant and
8102 dump_table, and destroy it when finishing.
8104 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8106 * config/mips/mips.c: Remove redundant comment.
8108 2006-03-10 Jason Merrill <jason@redhat.com>
8111 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8112 the target was declared 'register'.
8114 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8116 * genpreds.c (write_insn_constraint_len): Change definition of
8117 insn_constraint_len to return size_t to match the declaration.
8119 2006-03-10 DJ Delorie <dj@redhat.com>
8121 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8123 (m32c_expand_insv): Fix test for an AND mask.
8125 2006-03-10 Richard Guenther <rguenther@suse.de>
8128 * builtins.c (get_pointer_alignment): Handle component
8129 references for field alignment.
8131 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8133 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8134 when building with libgloss.
8135 (sh*elf): Implement --without-fp option.
8136 (sh64-superh-linux*): Don't multilib.
8138 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8140 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8142 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8144 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8145 Set it when one of the replacement functions returned true.
8146 Return TODO_cleanup_cfg if cfgchanged is true.
8147 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8149 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8151 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8152 instead of gen_lowpart.
8154 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8156 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8158 (mips_output_order_conditional_branch): Declare.
8159 * config/mips/mips.h (MIPS_BRANCH): New macro.
8160 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8161 for the comparison. Use gen_condjump.
8162 (mips_output_conditional_branch): Rework interface to take the
8163 asm templates for a direct branch and the inverse of a direct branch.
8164 (mips_output_order_conditional_branch): New function.
8165 (mips_builtin_branch_and_move): New function.
8166 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8167 branch condition. Use gen_single_cc as the condition for
8168 __builtin_mips_upper_* or __builtin_mips_lower_*.
8169 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8170 Use VOIDmode for the branch condition.
8171 * config/mips/predicates.md (order_operator): New predicate.
8172 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8173 (branch_fp): Rename to...
8174 (*branch_fp): ...this. Remove mode from comparison operator.
8175 Use new mips_output_conditional_branch interface.
8176 (branch_fp_inverted): Rename to...
8177 (*branch_fp_inverted): ...this and update as for *branch_fp.
8178 (*branch_zero<mode>): Rename to...
8179 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8180 Use mips_output_order_conditional_branch. Only accept ordered
8182 (*branch_zero<mode>_inverted): Rename to...
8183 (*branch_order<mode>_inverted): ...this and update as for
8184 *branch_order<mode>.
8185 (*branch_equality<mode>): Accept zero as the second operand to
8186 the equality operator. Use the new mips_output_conditional_branch
8188 (*branch_equality<mode>_inverted): Likewise.
8189 (condjump): New expander.
8190 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8192 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8193 (bc1any2t, bc1any2f): Likewise.
8194 (single_cc): New expander.
8195 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8197 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8199 * doc/md.texi: Update documentation of MIPS constraints.
8200 * config/mips/constraints.md: New file.
8201 * config/mips/mips.md: Include it.
8202 * config/mips/mips.c (mips_char_to_class): Delete.
8203 (override_options): Don't initialize mips_char_to_class.
8204 * config/mips/mips.h (mips_char_to_class): Delete.
8205 (REG_CLASS_FROM_LETTER): Delete.
8206 (CONST_OK_FOR_LETTER_P): Delete.
8207 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8208 (EXTRA_CONSTRAINT_Y): Delete.
8209 (EXTRA_CONSTRAINT_STR): Delete.
8210 (CONSTRAINT_LEN): Delete.
8211 (EXTRA_MEMORY_CONSTRAINT): Delete.
8213 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8215 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8216 original fn's eh regions.
8218 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8220 * fold-const.c (build_range_check): Make sure to use a valid type to
8221 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8224 (range_predecessor): New static function.
8225 (range_successor): Likewise.
8226 (merge_ranges): Use them to compute predecessors and successors of
8229 2006-03-09 Roger Sayle <roger@eyesopen.com>
8232 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8233 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8235 2006-03-08 DJ Delorie <dj@redhat.com>
8237 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8238 (addpsi3): Expand to include memory operands. Remove
8239 reload-specific splits.
8240 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8241 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8242 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8243 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8244 (shift1_qi, shift1_hi, insv): New.
8245 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8246 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8247 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8249 * config/m32c/m32c-protos.h: Update as needed.
8250 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8251 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8252 Fail for unrecognized R* constraints.
8253 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8254 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8255 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8257 (m32c_init_libfuncs): New.
8258 (m32c_legitimate_address_p): Add debug wrapper.
8259 (m32c_rtx_costs): New.
8260 (m32c_address_cost): New.
8261 (conversions): Add 'B' prefix.
8262 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8263 operands, or word regnames for QI operands. 'B' prints bit
8265 (m32c_expand_setmemhi): New.
8266 (m32c_expand_movmemhi): New.
8267 (m32c_expand_movstr): New.
8268 (m32c_expand_cmpstr): New.
8269 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8270 (m32c_expand_neg_mulpsi3): Handle non-ints.
8271 (m32c_cmp_flg_0): New.
8272 (m32c_expand_movcc): New.
8273 (m32c_expand_insv): New.
8274 (m32c_scc_pattern): New.
8275 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8276 a0/a1 out of SIregs.
8277 (STORE_FLAG_VALUE): New.
8278 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8281 * config/m32c/mov.md: Make constraints more liberal.
8282 (zero_extendqihi2): Optimize r0/r1 case.
8283 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8284 * config/m32c/predicates.md (m32c_any_operand): New.
8285 (m32c_nonimmediate_operand): New.
8286 (m32c_hl_operand): New.
8287 (m32c_r3_operand): New.
8290 (memsym_operand): New.
8291 (memimmed_operand): New.
8292 (a_qi_operand): New.
8293 (m32c_eqne_operator): New.
8294 (m32c_1bit8_operand): New.
8295 (m32c_1bit16_operand): New.
8296 (m32c_1mask8_operand): New.
8297 (m32c_1mask16_operand): New.
8298 * config/m32c/blkmov.md: New file.
8299 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8301 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8303 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8304 unsigned to fix signed/unsigned comparison issue in
8305 DWARF2_FRAME_REG_OUT.
8306 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8307 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8309 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8310 of ptr into the ENABLE_CHECKING section.
8312 2006-03-08 Jeff Law <law@redhat.com>
8314 * tree-vrp.c (infer_value_range): Only count pointer uses
8315 and dereferences if -fdelete-null-pointer-checks is enabled.
8317 * tree-vrp.c (find_assert_locations): Infer value ranges for
8318 single use pointers, but do not create ASSERT_EXPRs for them.
8319 When a non-null range is inferred for a pointer, backwards
8320 propagate that range to other equivalent pointers through the
8323 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8326 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8327 language hook targets.
8328 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8329 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8330 if language hook targets were missing.
8332 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8334 * tree-ssa-opfinalize.h: Removed.
8335 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8337 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8338 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8339 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8340 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8341 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8342 finalize_ssa_v_must_def_ops): New.
8344 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8346 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8349 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8351 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8353 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8354 addresses with offsets; reorganize.
8356 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8357 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8358 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8360 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8363 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8365 2006-03-08 Ben Elliston <bje@au.ibm.com>
8367 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8369 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8372 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8375 2006-03-07 Richard Guenther <rguenther@suse.de>
8377 PR tree-optimization/26587
8378 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8380 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8382 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8384 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8386 * hooks.c (hook_bool_mode_rtx_true): New function.
8387 * hooks.h (hook_bool_mode_rtx_true): Declare.
8388 * toplev.c (compile_file): Call output_shared_constant_pool.
8389 * varasm.c (shared_constant_pool): New variable.
8390 (assemble_start_function, assemble_end_function): Remove arguments
8391 from call to output_constant_pool.
8392 (create_constant_pool): New function, split out from...
8393 (init_varasm_status): ...here.
8394 (force_const_mem): Choose between the shared and per-function constant
8395 pools. Set current_function_uses_const_pool when reusing old entries
8396 as well as when creating new ones.
8397 (mark_constant): Ignore data argument.
8398 (mark_constants): Remove pool argument.
8399 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8400 to decide whether the function uses a constant pool.
8401 (output_constant_pool_contents): New function, split out from...
8402 (output_constant_pool): ...here.
8403 (output_shared_constant_pool): New function.
8404 (init_varasm_once): Initialize shared_constant_pool.
8405 * output.h (output_constant_pool): Delete.
8406 (output_shared_constant_pool): Declare.
8407 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8408 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8410 2006-03-06 Nick Clifton <nickc@redhat.com>
8412 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8413 flag_strength_reduce.
8415 2006-03-06 Ben Elliston <bje@au.ibm.com>
8417 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8418 x86_64-*-linux* configurations.
8420 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8421 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8423 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8425 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8427 * basic-block.h: Remove the extern for
8428 rediscover_loops_after_threading.
8430 * cfgloop.c (cancel_loop): Make it static.
8431 * cfgloop.h: Remove the prototype for cancel_loop.
8433 * flow.c (recompute_reg_usage): Make it static.
8434 * rtl.h: Remove the prototype for recompute_reg_usage.
8436 * function.c (use_return_register): Make it static.
8437 * function.h: Remove the prototype.
8439 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8441 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8443 * recog.h: Remove the prototype for
8444 validate_change_maybe_volatile.
8446 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8448 * rtlanal.c (replace_reg): Remove.
8449 * rtl.h: Remove the prototype for replace_reg.
8451 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8453 * regclass.c (reg_scan_update): Remove.
8454 (reg_scan_mark_refs): Remove the last argument.
8455 * rtl.h: Remove the prototype for reg_scan_update.
8457 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8459 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8460 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8461 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8462 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8463 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8464 loop-invariant.c, omp-low.c, opts.c, passes.c,
8465 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8466 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8467 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8468 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8469 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8470 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8472 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8474 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8475 * dwarf2out.h: Remove the prototype for
8476 dwarf2out_add_library_unit_info.
8478 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8480 * tree.c (add_var_to_bind_expr): Remove.
8481 * tree.h: Remove the prototype for add_var_to_bind_expr.
8483 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8485 * regclass.c (n_non_fixed_regs): Remove.
8486 (init_reg_sets_1, globalize_reg): Remove all uses of
8488 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8490 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8492 * rtlanal.c (insns_safe_to_move_p): Remove.
8493 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8495 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8497 * expmed.c (expand_mult_add): Remove.
8498 * expr.h: Remove the prototype for expand_mult_add.
8500 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8502 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8503 and REG_SAVED_VAL_EXP constants.
8504 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8505 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8506 Handle regs stored by value.
8507 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8508 (execute_cfa_program): Handle DW_CFA_val_offset,
8509 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8510 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8511 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8512 (uw_install_context_1): Handle target regs stored by value.
8514 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8516 * tree-sra.c (tree_sra): Return todoflags;
8517 (generate_one_element): Set TODO_update_smt_usage if needed.
8518 (pass_sra): Remove TODO_update_smt_usage.
8519 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8521 (tree_ssa_forward_propagate_single_use_vars): Return
8522 TODO_update_smt_usage if we need to update SMT usage.
8523 (pass_forwprop): Remove TODO_update_smt_usage.
8525 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8527 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8528 (correct_use_link): Remove reference to get_stmt_operands.
8529 (update_stmt_operands): Likewise.
8530 (get_modify_expr_operands): New function factored out of
8531 parse_ssa_operands and get_expr_operands.
8532 Try to create V_MUST_DEFs for LHS by default.
8533 (get_expr_operands) <case MODIFY_EXPR>: Call
8534 get_modify_expr_operands.
8535 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8536 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8537 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8538 get_modify_expr_operands.
8540 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8542 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8543 * tree-flow.h: Remove the prototype for
8544 referenced_var_lookup_if_exists.
8546 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8548 PR rtl-optimization/26345
8550 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8552 2006-03-03 Roger Sayle <roger@eyesopen.com>
8554 PR tree-optimization/26524
8555 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8556 fold_convert to create a constant of the appropriate type.
8558 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8560 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8561 SYMBOL_REF_IN_BLOCK_P.
8562 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8563 of SYMBOL_FLAG_IN_BLOCK.
8564 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8565 instead of SYMBOL_REF_IN_BLOCK_P.
8566 * explow.c (use_anchored_address): Likewise.
8567 * rtl.c (rtx_size): Likewise.
8568 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8569 instead of SYMBOL_FLAG_IN_BLOCK.
8570 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8571 SYMBOL_REF_IN_BLOCK_P.
8572 (assemble_variable): Likewise.
8573 (output_constant_def_contents): Likewise.
8574 (output_constant_pool): Likewise.
8575 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8576 instead of SYMBOL_FLAG_IN_BLOCK.
8577 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8578 SYMBOL_REF_IN_BLOCK_P.
8579 (SYMBOL_REF_BLOCK): Likewise.
8580 (SYMBOL_REF_OFFSET): Likewise.
8581 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8582 SYMBOL_REF_IN_BLOCK_P.
8583 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8584 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8585 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8586 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8588 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8590 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8592 2006-03-02 Roger Sayle <roger@eyesopen.com>
8594 * simplify-rtx.c (simplify_unary_operation): When simplifying
8595 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8596 that we perform the right shift in the appropriate mode, and
8597 then extend or truncate the result to requested mode.
8599 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8601 * gengtype.c (main): Handle double_int type.
8602 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8603 * double-int.c: New file.
8604 * double-int.h: New file.
8605 * system.h: Include doubleint.h.
8606 * Makefile.in (SYSTEM_H): Include double-int.h.
8607 (double-int.o): Add.
8609 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8612 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8615 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8617 * tree-vrp.c (remove_range_assertions): Do not update statements
8620 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8622 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8624 * gcse.c (rest_of_handle_gcse): Ditto.
8625 * except.c (gate_handle_eh): Ditto.
8626 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8627 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8629 2006-03-02 Eric Christopher <echristo@apple.com>
8631 * config/i386/i386.c (machopic_output_stub): Add indirection to
8634 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8638 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8640 Sun Niagara specific optimizations.
8641 * config.gcc: Recognize niagara as target.
8642 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8643 (TARGET_CPU_niagara): Define.
8644 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8645 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8646 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8647 (ASM_CPU_SPEC): Likewise.
8648 (PROCESSOR_NIAGARA): New enum entry.
8649 (REGISTER_MOVE_COST): Handle Niagara.
8650 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8651 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8652 (sparc_override_options): Recognize "niagara", set appropriate
8653 default MASK_* values for it, and align functions to 32-bytes
8654 by default just like ULTRASPARC/ULTRASPARC3.
8655 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8656 (sparc64_initialize_trampoline): Likewise.
8657 (sparc_use_sched_lookahead): Use zero for niagara.
8658 (sparc_issue_rate): Use one for niagara.
8659 * config/sparc/niagara.md: New file.
8660 * config/sparc/sparc.md: Include it.
8661 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8662 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8663 when default cpu is niagara.
8664 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8665 (ASM_CPU_SPEC): Likewise.
8666 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8667 when default cpu is niagara.
8668 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8669 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8670 just like v9/ultrasparc/ultrasparc3.
8671 * doc/invoke.texi: Add documentation for "niagara" and improve
8672 existing documentation for ultrasparc variants.
8674 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8676 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8678 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8680 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8681 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8682 and say that only one is needed.
8683 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8684 * target.h (have_switchable_bss_sections): New hook.
8685 * explow.c (use_anchored_address): Check that the symbol is in a block.
8686 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8687 (bss_noswitch_section): New variables.
8688 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8689 (get_noswitch_section): New function.
8690 (get_block_for_section): Allow SECT to be null.
8691 (unlikely_text_section_p): Use SECTION_STYLE.
8692 (bss_initializer_p): New function.
8693 (get_variable_section): Move earlier in file. Take a new argument,
8694 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8695 Return one of the new *_sections in such cases.
8696 (get_block_for_decl): New function, extracting some logic from
8697 use_blocks_for_decl_p.
8698 (change_symbol_section): Remove in favor of...
8699 (change_symbol_block): ...this new function.
8700 (use_blocks_for_decl_p): Remove checks now performed by
8702 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8703 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8704 (emit_local, emit_bss, emit_common): ...these new functions.
8705 Return true if the alignment was honored.
8706 (emit_tls_common): New function.
8707 (asm_emit_uninitialised): Delete.
8708 (assemble_variable_noswitch): New function, split out from...
8709 (assemble_variable): ...here. Don't make decisions about common
8710 variables here. Globalize all public decls that go into non-common
8711 sections. Check whether SYMBOL_REF_BLOCK is null.
8712 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8713 (output_constant_pool): Likewise.
8714 (init_varasm_once): Initialize the new section variables.
8715 (have_global_bss_p): New function.
8716 (categorize_decl_for_section): Use bss_initializer_p.
8717 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8718 (place_block_symbol): Assert that the symbol must be in a block.
8719 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8720 (TARGET_INITIALIZER): Include it.
8721 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8722 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8723 (SECTION_MACH_DEP): Bump by two.
8724 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8725 (unnamed_section): Mention SECTION_UNNAMED in comment.
8726 (named_section): Likewise SECTION_NAMED.
8727 (noswitch_section_callback): New type.
8728 (noswitch_section): New structure.
8729 (section): Add a noswitch_section alternative.
8730 (SECTION_STYLE): New macro.
8731 (tls_comm_section, comm_section, lcomm_section): Declare.
8732 (bss_noswitch_section, have_global_bss_p): Declare.
8733 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8734 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8736 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8737 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8740 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8742 * tree-vrp.c (execute_vrp): Return value.
8743 * regrename.c (rest_of_handle_regrename): Ditto.
8744 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8745 * tree-complex.c (tree_lower_complex): Ditto.
8746 (tree_lower_complex_O0): Ditto.
8747 * tracer.c (rest_of_handle_tracer): Ditto.
8748 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8749 * postreload.c (rest_of_handle_postreload): Ditto.
8750 * tree-tailcall.c (execute_tail_recursion): Ditto.
8751 (execute_tail_calls): Ditto.
8752 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8753 * tree.h (init_function_for_compilation): Ditto.
8754 * ipa-cp.c (ipcp_driver): Ditto.
8755 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8756 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8757 * final.c (compute_alignments): Ditto.
8758 (rest_of_handle_final): Ditto.
8759 (rest_of_handle_shorten_branches): Ditto.
8760 (rest_of_clean_state): Ditto.
8761 * omp-low.c (execute_expand_omp): Ditto.
8762 (execute_lower_omp): Ditto.
8763 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8764 * ipa-reference.c (static_execute): Ditto.
8765 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8766 * reorg.c (rest_of_handle_delay_slots): Ditto.
8767 (rest_of_handle_machine_reorg): Ditto.
8768 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8769 * flow.c (recompute_reg_usage): Ditto.
8770 (rest_of_handle_remove_death_notes): Ditto.
8771 (rest_of_handle_life): Ditto.
8772 (rest_of_handle_flow2): Ditto.
8773 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8774 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8775 (do_ssa_store_ccp): Ditto.
8776 (execute_fold_all_builtins): Ditto.
8777 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8778 * modulo-sched.c (rest_of_handle_sms): Ditto.
8779 * ipa-pure-const.c (static_execute): Ditto.
8780 * cse.c (rest_of_handle_cse): Ditto.
8781 (rest_of_handle_cse2): Ditto.
8782 * web.c (rest_of_handle_web): Ditto.
8783 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8784 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8785 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8786 * tree-nrv.c (tree_nrv): Ditto.
8787 (execute_return_slot_opt): Ditto.
8788 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8789 (create_structure_vars): Ditto.
8790 * loop-init.c (rtl_loop_init): Ditto.
8791 (rtl_loop_done): Ditto.
8792 (rtl_move_loop_invariants): Ditto.
8793 (rtl_unswitch): Ditto.
8794 (rtl_unroll_and_peel_loops): Ditto.
8795 (rtl_doloop): Ditto.
8796 * gimple-low.c (lower_function_body): Ditto.
8797 (mark_used_blocks): Ditto.
8798 * tree-ssa-sink.c (execute_sink_code): Ditto.
8799 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8800 (cgraph_early_inlining): Ditto.
8801 * global.c (rest_of_handle_global_alloc): Ditto.
8802 * jump.c (cleanup_barriers): Ditto.
8803 (purge_line_number_notes): Ditto.
8804 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8805 (rest_of_handle_if_after_reload): Ditto.
8806 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8807 (tree_ssa_loop_im): Ditto.
8808 (tree_ssa_loop_unswitch): Ditto.
8809 (tree_vectorize): Ditto.
8810 (tree_linear_transform): Ditto.
8811 (tree_ssa_loop_ivcanon): Ditto.
8812 (tree_ssa_empty_loop): Ditto.
8813 (tree_ssa_loop_bounds): Ditto.
8814 (tree_complete_unroll): Ditto.
8815 (tree_ssa_loop_prefetch): Ditto.
8816 (tree_ssa_loop_ivopts): Ditto.
8817 (tree_ssa_loop_done): Ditto.
8818 * predict.c (tree_estimate_probability): Ditto.
8819 * recog.c (split_all_insns_noflow): Ditto.
8820 (rest_of_handle_peephole2): Ditto.
8821 (rest_of_handle_split_all_insns): Ditto.
8822 * tree-eh.c (lower_eh_constructs): Ditto.
8823 * regmove.c (rest_of_handle_regmove): Ditto.
8824 (rest_of_handle_stack_adjustments): Ditto.
8825 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8826 * function.c (instantiate_virtual_regs): Ditto.
8827 (init_function_for_compilation): Ditto.
8828 (rest_of_handle_check_leaf_regs): Ditto.
8829 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8830 (rest_of_handle_gcse): Ditto.
8831 * ipa-type-escape.c (type_escape_execute): Ditto.
8832 * alias.c (rest_of_handle_cfg): Ditto.
8833 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8834 * profile.c (rest_of_handle_branch_prob): Ditto.
8835 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8836 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8837 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8838 * tree-dfa.c (find_referenced_vars): Ditto.
8839 * except.c (set_nothrow_function_flags): Ditto.
8840 (convert_to_eh_region_ranges): Ditto.
8841 (rest_of_handle_eh): Ditto.
8842 * emit-rtl.c (unshare_all_rtl): Ditto.
8843 (remove_unnecessary_notes): Ditto.
8844 * except.h (set_nothrow_function_flags): Ditto.
8845 (convert_to_eh_region_ranges): Ditto.
8846 * cfgexpand.c (tree_expand_cfg): Ditto.
8847 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8848 * tree-ssa-pre.c (do_pre): Ditto.
8849 (execute_fre): Ditto.
8850 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8851 (rest_of_handle_jump2): Ditto.
8852 * tree-sra.c (tree_sra): Ditto.
8853 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8854 (execute_mudflap_function_decls): Ditto.
8855 * tree-ssa-copy.c (do_copy_prop): Ditto.
8856 (do_store_copy_prop): Ditto.
8857 * ipa-prop.h (ipcp_driver): Ditto.
8858 * cfglayout.c (insn_locators_initialize): Ditto.
8859 * tree-ssa-forwprop.c
8860 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8861 * cfglayout.h (insn_locators_initialize): Ditto.
8862 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8863 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8864 (execute_late_warn_uninitialized): Ditto.
8865 * rtl.h (cleanup_barriers): Ditto.
8866 (split_all_insns_noflow): Ditto.
8867 (purge_line_number_notes): Ditto.
8868 (unshare_all_rtl): Ditto.
8869 (remove_unnecessary_notes): Ditto.
8870 (recompute_reg_usage): Ditto.
8871 (variable_tracking_main): Ditto.
8872 * integrate.c (emit_initial_value_sets): Ditto.
8873 * integrate.h (emit_initial_value_sets): Ditto.
8874 * tree-optimize.c (execute_free_datastructures): Ditto
8875 (execute_free_cfg_annotations): Ditto.
8876 (execute_fixup_cfg): Ditto.
8877 (execute_cleanup_cfg_pre_ipa): Ditto.
8878 (execute_cleanup_cfg_post_optimizing): Ditto.
8879 (execute_init_datastructures): Ditto.
8880 * tree-object-size.c (compute_object_sizes): Ditto.
8881 * combine.c (rest_of_handle_combine): Ditto.
8882 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8883 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8884 (rest_of_handle_reorder_blocks): Ditto.
8885 (rest_of_handle_partition_blocks): Ditto.
8886 * var-tracking.c (variable_tracking_main): Ditto.
8887 * tree-profile.c (tree_profiling): Ditto.
8888 * tree-vect-generic.c (expand_vector_operations): Ditto.
8889 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8890 * sched-rgn.c (rest_of_handle_sched): Ditto.
8891 (rest_of_handle_sched2): Ditto.
8892 * basic-block.h (free_bb_insn): Ditto.
8893 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8894 * tree-cfg.c (execute_build_cfg): Ditto.
8895 (remove_useless_stmts): Ditto.
8896 (split_critical_edges): Ditto.
8897 (execute_warn_function_return): Ditto.
8898 (execute_warn_function_noreturn): Ditto.
8899 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8900 * cfgrtl.c (free_bb_for_insn): Ditto.
8901 * passes.c (execute_one_pass): Run additional
8902 todos returned by execute function.
8903 * tree-pass.h (struct tree_opt_pass): Make execute
8906 2006-03-02 Richard Guenther <rguenther@suse.de>
8908 * tree-ssa-alias.c (find_used_portions): Consider taking
8909 the address as making the variable not write-only.
8911 2006-03-02 Nick Clifton <nickc@redhat.com>
8913 * config.gcc (default_use_cxa_atexit): Extend the description of
8914 this configure variable. Set its default value to "yes" for
8915 Linux, NetBSD and ELF targets on the assumption that they will
8916 use C libraries with the __cxa_atexit function.
8918 2006-03-02 Ben Elliston <bje@au.ibm.com>
8920 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8921 parameter as unused to suppress a build warning.
8923 2006-03-02 Ben Elliston <bje@au.ibm.com>
8925 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8928 2006-03-01 Roger Sayle <roger@eyesopen.com>
8931 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8932 declared name, the weak reference name, and the typeof name.
8933 (__gthrw): Avoid expanding the declared name suffix.
8934 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8936 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8938 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8940 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8941 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8942 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8943 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8944 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8945 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8946 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8947 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8948 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8949 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8950 (DW_END_default, DW_END_big, DW_END_little): New.
8951 (DW_END_lo_user, DW_END_hi_user): Define.
8952 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8953 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8954 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8957 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8959 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8961 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8963 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8965 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8967 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8968 to 'symbol_mem_tag'.
8970 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8973 2006-03-01 Roger Sayle <roger@eyesopen.com>
8975 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8977 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8980 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8981 MACHO_DYNAMIC_NO_PIC_P.
8982 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8984 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8987 * config/darwin-protos.h (darwin_asm_output_anchor):
8989 * config/darwin-sections.def (cstring_section):
8990 Add SECTION_MERGE to the flags.
8991 (literal4_section): Likewise.
8992 (literal8_section): Likewise.
8993 (objc_selector_refs_section): Likewise.
8994 (objc_cls_refs_section): Likewise.
8995 * config/darwin.c (darwin_asm_output_anchor): New
8997 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8999 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9001 Fix PR tree-optimization/26443
9002 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9003 to todo and PROP_tmt_usage to properties_destroyed.
9004 * tree-ssa-ccp.c (pass_ccp): Ditto.
9005 (pass_store_ccp): Ditto.
9006 * tree-ssa-dom.c (pass_dominator): Ditto.
9008 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9010 * tree-ssa-operands.c: Cleanup whitespace.
9011 (get_asm_expr_operands): Move before first invocation.
9012 (get_indirect_ref_operands): Likewise.
9013 (get_tmr_operands): Likewise.
9014 (get_call_expr_operands): Likewise.
9015 (append_def): Likewise.
9016 (append_use): Likewise.
9017 (append_v_may_def): Likewise.
9018 (append_v_must_def): Likewise.
9019 (add_call_clobber_ops): Likewise.
9020 (add_call_read_ops): Likewise.
9021 (add_stmt_operand): Likewise.
9022 (add_virtual_operand): Likewise.
9023 (build_ssa_operands): Likewise.
9025 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9030 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9031 with a call expr to ...
9032 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9034 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9036 * tree-vrp.c (extract_range_from_assert): Remove special
9037 handling for types with super-types.
9039 2006-03-01 Ben Elliston <bje@au.ibm.com>
9041 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9042 and powerpc64-*-linux* configurations.
9043 * config/t-dfprules: New file.
9045 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9046 Compile dfp-bit.c from the source directory using -DWIDTH and
9047 $DFP_CFLAGS to control the compilation of that file, rather than
9048 generating width-specific versions in the build directory.
9049 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9050 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9052 2006-02-28 Zack Weinberg <zackw@panix.com>
9054 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9057 2006-02-28 Eric Christopher <echristo@apple.com>
9059 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9060 Set up IN_LIBGCC definition of TARGET_64BIT.
9061 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9063 2006-02-28 Roger Sayle <roger@eyesopen.com>
9066 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9067 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9068 cases via the construction of "expr != 0".
9070 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9072 * alias.c (alias_invariant, alias_invariant_size): Remove.
9073 (record_base_value): Remove.
9074 (memrefs_conflict_p): Don't look at alias_invariant.
9075 (end_alias_analysis): Don't free it.
9076 * alias.h (record_base_value): Remove prototype.
9078 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9079 Adam Nemet <anemet@caviumnetworks.com>
9081 * rtl.h (truncated_to_mode): Declare it.
9082 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9083 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9084 (RTL_HOOKS_INITIALIZER): Include it.
9085 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9086 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9087 reg_truncated_to_mode.
9088 * rtlanal.c (truncated_to_mode): Define it.
9089 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9091 2006-02-28 Jeff Law <law@redhat.com>
9093 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9094 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9095 the range allowed by TYPE_PRECISION.
9097 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9099 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9101 PR tree-optimization/26419
9102 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9105 2006-02-27 Zack Weinberg <zackw@panix.com>
9107 * doc/md.texi: Fix typo in previous change.
9109 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9113 2006-02-27 Zack Weinberg <zackw@panix.com>
9115 * rtl.def (define_constraint, define_register_constraint)
9116 (define_memory_constraint, define_address_constraint): New MD forms.
9117 * gensupport.c (process_rtx): Put define_constraint etc on the
9119 * genpreds.c (process_define_predicate): Adjust comment. Validate
9120 the name, and call validate_exp to validate the expression.
9121 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9122 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9123 all callers changed.
9124 (validate_exp, needs_variable, struct constraint_data)
9125 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9126 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9127 (const_dbl_constraints, constraint_max_namelen)
9128 (have_register_constraints, have_memory_constraints)
9129 (have_address_constraints, have_address_constraints)
9130 (have_extra_constraints, have_const_int_constraints)
9131 (have_const_dbl_constraints, mangle, add_constraint)
9132 (process_define_constraint, process_define_register_constraint)
9133 (write_enum_constraint_num, write_lookup_constraint)
9134 (write_insn_constraint_len, write_regclass_for_constraint)
9135 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9136 (write_insn_extra_memory_constraint)
9137 (write_insn_extra_address_constraint)
9138 (write_satisfies_constraint_fns): New.
9139 (write_tm_preds_h): If we have new-style constraint definitions,
9140 prototype the functions generated from them, and define the
9141 old constraint interface (still used by generic code) in terms of
9143 (write_insn_preds_c): If we have new-style constraint definitions,
9144 generate all relevant functions from those definitions.
9145 (main): Handle define_constraint etc.
9146 * genoutput.c (struct constraint_data, indep_constraints)
9147 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9148 (mdep_constraint_len): New data structures and functions, defined
9149 #ifdef USE_MD_CONSTRAINTS.
9150 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9151 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9152 use new logic to validate operand constraints against constraint
9154 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9156 * defaults.h: If none of the old-style constraint macros are
9157 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9158 old-style macros; and poison REG_CLASS_FROM_LETTER,
9159 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9161 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9162 * doc/md.texi: Document new constraint-definition mechanism and the
9163 C interface it provides. Remove references to old mechanism
9164 elsewhere in the document.
9165 (Machine Constraints): Use pathnames relative to gcc directory,
9166 i.e. config/ARCH/FILE. Change i386 section to refer to
9167 config/i386/predicates.md; update that section to match docstrings.
9168 * doc/tm.texi: Move all documentation of the old constraint-
9169 definition macros to their own section, clearly mark as obsolete.
9171 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9172 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9174 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9175 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9176 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9178 (splits and peepholes): Use satisfies_constraint_*.
9179 * config/i386/i386.c (memory_address_length)
9180 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9182 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9184 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9185 scalar operation to be put back into the loop.
9187 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9190 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9191 (extract_cie_info): Handle S flag in augmentation string.
9192 (execute_cfa_program): If context->signal_frame, execute also
9193 fs->pc == context->ra instructions.
9194 (uw_frame_state_for): If context->signal_frame, don't subtract one
9195 from context->ra to find FDE.
9196 (uw_update_context_1): Set context->signal_frame to
9198 (_Unwind_GetIPInfo): New function.
9199 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9200 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9202 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9203 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9204 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9205 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9206 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9207 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9208 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9209 x86_64_fallback_frame_state): Set fs->signal_frame.
9210 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9211 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9212 (frob_update_context): Likewise. Workaround missing S flag in
9213 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9214 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9215 Remove the psw_addr + 1 hack.
9217 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9219 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9220 with aggregates here.
9221 (find_func_aliases): Remove code for &<aggregate> from here.
9223 2006-02-26 Roger Sayle <roger@eyesopen.com>
9225 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9226 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9227 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9230 2006-02-26 Roger Sayle <roger@eyesopen.com>
9233 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9235 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9237 * opts.c (decode_options): Do not handle flag_strength_reduce.
9238 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9239 and OPT_fstrength_reduce.
9240 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9241 flag_prefetch_loop_arrays for being nonzero.
9242 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9244 (fprefetch-loop-arrays-rtl): Removed.
9245 (flag_prefetch_loop_arrays): Do not specify the value.
9247 * doc/passes.texi: Update documentation of loop optimizer
9249 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9250 -frerun-loop-opt): Remove.
9252 2006-02-26 Richard Guenther <rguenther@suse.de>
9254 PR tree-optimization/26421
9255 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9256 in function calls that are ADDR_EXPRs as using the whole structure.
9258 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9260 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9261 * tree-pass.h (pass_loop_optimize): Remove.
9262 * passes.c (pass_loop_optimize): Never run it.
9263 * toplev.c (backend_init): Don't call init_loop.
9264 * opts.c (flag_loop_optimize_set): Remove.
9265 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9266 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9267 the old RTL loop optimizer when profiling enabled.
9268 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9269 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9270 pre-headers for the sake of the old RTL loop optimizer.
9271 * Makefile.in: Remove all references to loop.o.
9273 * doc/invoke.texi: Remove all references to -floop-optimize
9274 and -frerun-loop-opt.
9276 2006-02-26 Zack Weinberg <zackw@panix.com>
9278 * doc/md.texi (Machine Constraints): Refer to all files with paths
9279 relative to gcc directory (i.e. config/CPU/file). Add missing
9280 @table @code ... @end table to M32C subsection.
9282 2006-02-26 Roger Sayle <roger@eyesopen.com>
9284 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9286 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9288 2006-02-26 Roger Sayle <roger@eyesopen.com>
9289 James A. Morrison <phython@gcc.gnu.org>
9292 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9293 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9294 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9295 signedness of the shift operation.
9297 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9299 PR tree-optimization/26359
9300 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9302 2006-02-25 Roger Sayle <roger@eyesopen.com>
9304 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9305 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9306 as X == 0, and some symmetry related transformations.
9307 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9309 2006-02-25 Roger Sayle <roger@eyesopen.com>
9312 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9313 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9314 symmetry related transformations. Fold (X^C1) == C2 as
9317 2006-02-25 Juergen Weigert <jw@suse.de>
9318 Richard Guenther <rguenther@suse.de>
9320 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9322 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9324 * combine.c (gen_lowpart_or_truncate): Call
9325 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9327 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9329 * doc/invoke.texi: Move -fopenmp description to "Options for
9331 Remove reference to -lgomp.
9333 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9335 * doc/install.texi: Require GNU tar version 1.14.
9337 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9339 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9340 * doc/invoke.texi (C++ Dialect Options): Document
9341 -fno-use-cxa-get-exception-ptr.
9342 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9343 * configure: Regenerate.
9344 * c.opt (fuse-cxa-get-exception-ptr): New.
9345 * c-opts.c (c_common_handle_option): Handle
9346 OPT_fuse_cxa_get_exception_ptr.
9347 * c-common.c (flag_use_cxa_atexit): Update documentation.
9348 (flag_use_cxa_get_exception_ptr): New.
9349 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9350 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9352 (C_COMMON_OVERRIDE_OPTIONS): New.
9354 2006-02-24 Roger Sayle <roger@eyesopen.com>
9357 * combine.c (try_combine): Explicitly check whether GET_CODE is
9358 a SET or a CLOBBER, instead on checking that it isn't a USE.
9360 2006-02-24 Roger Sayle <roger@eyesopen.com>
9362 * fold-const.c (fold_comparison): New subroutine of fold_binary
9363 containing transformations common to both the equality and
9364 ordering relational operators, factored out of fold_binary.
9365 (fold_binary): Separate out the equality operators (EQ_EXPR
9366 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9367 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9368 transformations common to both.
9369 (fold_div_compare): Fix latent bugs in the previously unreachable
9370 LT_EXPR and GE_EXPR cases.
9372 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9374 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9375 decl libname for clog to __clog on AIX.
9377 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9379 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9382 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9383 output traceback table for thunks. Localise rs6000_stack_info call.
9385 2006-02-23 Roger Sayle <roger@eyesopen.com>
9386 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9388 * gthr-posix.h (__gthrw): Fix typo in comment.
9390 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9392 * doc/cpp.texi (Character sets): Document that we do support
9393 input files to be in any character set.
9395 2006-02-23 Jeff Law <law@redhat.com>
9397 * tree.h (PHI_ARG_NONZERO): Remove.
9398 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9399 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9400 node to the new node.
9402 PR tree-optimization/26425
9403 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9404 min/max, then assume its varying.
9406 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9408 PR rtl-optimization/26316
9409 * rtlanal.c (enum may_trap_p_flags): New.
9410 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9411 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9412 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9413 (may_trap_after_code_motion_p): New function.
9414 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9415 (find_invariant_insn): Use may_trap_after_code_motion_p.
9416 * rtl.h (may_trap_after_code_motion_p): Declare.
9418 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9420 * emit-rtl.c (immed_double_const): Cleanup.
9422 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9424 Fix PR tree-optimization/26376
9425 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9428 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9431 * gimplify.c (omp_add_variable): Guard variable size decl test with
9432 DECL_SIZE (decl) check.
9434 2006-02-23 Richard Guenther <rguenther@suse.de>
9437 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9438 like aggregate types.
9440 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9442 * configure.ac: Add --with{,out}-long-double-128 configure option.
9443 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9444 * configure: Rebuilt.
9445 * config.in: Rebuilt.
9446 * doc/install.texi (Options specification): Document
9447 --with-long-double-128.
9449 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9450 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9451 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9452 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9454 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9456 * config/s390/s390.c (override_options): Handle
9457 TARGET_DEFAULT_LONG_DOUBLE_128.
9459 * config/alpha/alpha.c (override_options): Handle
9460 TARGET_DEFAULT_LONG_DOUBLE_128.
9462 * config/sparc/sparc.c (sparc_override_options): Handle
9463 TARGET_DEFAULT_LONG_DOUBLE_128.
9465 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9467 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9468 (real-install-headers-tar, real-install-headers-cpio)
9469 (real-install-headers-cp): New targets.
9471 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9473 * tree.h (variable_section): Delete.
9474 * varasm.c (variable_section): Delete.
9476 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9478 * install.texi: Add notes on install.texi2html.
9479 (Building in parallel): Do not use footnotes.
9481 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9484 * doc/install.texi (Configuration): Document --disable-libgomp.
9486 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9488 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9490 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9492 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9493 (vec_extractv2df_0_sse): New.
9495 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9497 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9498 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9499 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9500 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9501 to the result of the expression.
9502 (def_cfa_1): Adjust.
9503 (frame_pointer_cfa_offset): Rename to...
9504 (frame_pointer_fb_offset): ... this. Adjust all uses.
9505 (convert_cfa_to_loc_list): Rename to...
9506 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9507 Pass it on to build_cfa_loc.
9508 (compute_frame_pointer_to_cfa_displacement): Rename to...
9509 (compute_frame_pointer_to_fb_displacement): ... this. New
9510 offset parameter. Use it in computation.
9511 (gen_subprogram_die): Compute cfa_fb_offset with the new
9512 macro, and use it to compute the fb loc list and the
9515 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9517 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9518 replaced with register_operand.
9519 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9520 non-DREG is expensive.
9521 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9522 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9525 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9527 * doc/install.texi2html: Use set -e.
9529 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9531 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9532 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9533 * doc/invoke.texi (-fshared-data): Delete.
9534 * common.opt (fshared-data): Delete.
9535 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9536 (assemble_static_space): Remove #if 0 code.
9537 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9538 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9539 * config/cris/cris.h: Remove FIXME.
9541 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9543 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9546 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9549 * combine.c (simplify_shift_const_1): Disable nested shifts
9550 optimization for vector shifts.
9552 2006-02-20 Roger Sayle <roger@eyesopen.com>
9554 PR tree-optimization/26361
9555 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9556 of unsigned integer types.
9558 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9560 * tree-chrec.c (eq_evolutions_p): New.
9561 * tree-chrec.h (eq_evolutions_p): Declared.
9562 * tree-data-ref.c: Fix formatting.
9563 (datadep_stats, dependence_stats): New.
9565 (print_direction_vector): New.
9566 (dump_data_dependence_relation): Use print_direction_vector.
9567 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9568 (compute_subscript_distance): Static.
9569 (initialize_data_dependence_relation): Static. Get the number
9570 of loops surrounding the references from the callers, and initialize
9571 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9572 base_object_differ_p analyzers.
9573 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9574 compute_overlap_steps_for_affine_1_2,
9575 analyze_subscript_affine_affine): Count the classified dependences.
9576 Print a message when a test failed.
9577 (can_use_analyze_subscript_affine_affine): New.
9578 (analyze_siv_subscript): Compute the data dependences on symbolic
9579 scevs that verify can_use_analyze_subscript_affine_affine.
9580 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9581 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9582 Handle symbolic scevs.
9583 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9585 (subscript_dependence_tester): Moved...
9586 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9587 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9588 DDR_SIZE_VECT instead of getting it in parameter.
9589 (subscript_dependence_tester): ... here. Take as a parameter
9590 loop_nest_depth. Call build_classic_dist_vector and
9591 build_classic_dir_vector.
9592 (compute_affine_dependence): Update subscript_dependence_tester
9593 parameters. Update datadep_stats counters. Call
9594 compute_subscript_distance.
9595 (compute_self_dependence): Save the dist and dir vectors. Call
9596 compute_subscript_distance.
9597 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9598 (compute_all_dependences): Reorder parameters as they were before
9599 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9600 compute_subscript_distance. Update the use of
9601 compute_affine_dependence and initialize_data_dependence_relation.
9602 (find_data_references_in_loop): Handle COMPONENT_REF.
9603 (compute_data_dependences_for_loop): Initialize dependence_stats.
9604 Don't call build_classic_dist_vector and build_classic_dir_vector.
9605 Update the parameters of initialize_data_dependence_relation and
9606 compute_all_dependences. Print the statistics from datadep_stats.
9607 (analyze_all_data_dependences): Static. Not used until the pass for
9608 checking the data dependences is contributed.
9609 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9610 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9611 (initialize_data_dependence_relation, compute_affine_dependence,
9612 analyze_all_data_dependences, compute_subscript_distance): Removed.
9613 (print_direction_vector): New.
9614 * lambda.h (gcd): ... here.
9615 (lambda_vector_gcd): Moved here from gcd_vector.
9616 * lambda-code.c (gcd, gcd_vector): Removed.
9617 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9618 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9620 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9622 * ipa-type-escape.c: Tidy some comments and white space.
9623 * tree-ssa-operands.c: Likewise.
9625 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9628 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9629 (dump_decl_name): Do not walk the decl tree chains.
9630 * tree-pass.h (TDF_CHAIN): Remove.
9632 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9634 * Makefile.in (C): Remove
9636 (.PHONY): Remove C and PROTO
9638 2006-02-20 Roger Sayle <roger@eyesopen.com>
9641 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9642 deprecated CHAR_TYPE tree code.
9644 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9646 * configure.ac (target_list): Add install-info, dvi, html.
9647 * configure: Regenerate.
9649 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9650 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9651 treelang/Make-lang.in: Do not use double-colon rules.
9653 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9655 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9656 (TMT_USED_ALONE): New macro.
9657 * tree-pass.h (PROP_tmt_usage): New property.
9658 (TODO_update_tmt_usage): New todo.
9659 * tree-ssa-alias.c (updating_used_alone): New variable.
9660 (recalculate_used_alone): New function.
9661 (compute_may_aliases): Set updating_used_alone, call
9662 recalculate_used_alone.
9663 * tree-sra.c (pass_sra): Note that this pass destroys
9664 PROP_tmt_usage, and add TODO_update_tmt_usage.
9665 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9666 * tree-flow.h (updating_used_alone): Prototype.
9667 (recalculate_used_alone): Ditto.
9668 * passes.c (execute_todo): Add code to set updating_used_alone,
9669 and call recalculate.
9670 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9671 for clobber if used alone, and add assert to verify used_alone
9674 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9676 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9677 for non tls symbols added.
9678 (legitimize_address): Do nothing for PLUS expressions if one of the
9679 addends is a tls symbol reference.
9681 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9685 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9687 * Makefile.in (BOOTSTRAPPING): New.
9688 (quickstrap): New definition if BOOTSTRAPPING=yes.
9690 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9691 * configure.ac: Substitute all_selected_languages with the languages
9692 that were configured. For all the other variables except
9693 lang_specs_files, include all the languages in the tree.
9694 * configure: Regenerate.
9696 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9697 if there is one. Run the commands to run fixincludes in the same
9700 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9701 * doc/install.texi: Document exact conventions for searching target tools.
9702 Document --with-build-time-tools. Document toplevel bootstrap. Document
9703 something more about building an Ada cross-compiler. Don't list GNU Make
9704 requirements which affect all platforms.
9706 2006-02-19 Roger Sayle <roger@eyesopen.com>
9709 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9710 only equivalent if the have both the same mode and precision.
9712 2006-02-20 Ben Elliston <bje@au.ibm.com>
9714 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9716 2006-02-19 Roger Sayle <roger@eyesopen.com>
9717 Steven Bosscher <stevenb.gcc@gmail.com>
9719 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9720 constant pool references to identify stack mode constants.
9721 * rtlanal.c (constant_pool_constant_p): New predicate to check
9722 whether operand is a floating point constant in the pool.
9723 * rtl.h (constant_pool_constant_p): Prototype here.
9724 * loop.c (scan_loop): Avoid hoisting constants from the constant
9725 pool on STACK_REGS targets.
9726 (load_mems): Likewise.
9727 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9728 loads into x87 registers expensive in terms of register pressure.
9730 2006-02-19 Roger Sayle <roger@eyesopen.com>
9732 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9733 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9735 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9737 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9738 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9740 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9742 * doc/invoke.texi: Document -fipa-pta.
9743 * common.opt: Add ipa-pta option.
9744 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9745 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9746 (do_ds_constraint): Ditto.
9747 (get_constraint_for): Only add to referenced_vars if
9748 referenced_vars exists.
9749 (insert_into_field_list): Rewrite to do this unsorted.
9750 (insert_into_field_list_sorted): Rename old insert_into_field_list
9752 (create_function_info_for): Use insert_into_field_list_sorted.
9753 (create_variable_info_for): Rewrite so it uses unsorted version,
9754 since the field list is sorted.
9755 (intra_create_variable_infos): Only add to referenced_vars if
9756 referenced_vars exists.
9757 (ipa_pta_execute): Init heapvars, and delete when done.
9758 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9760 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9762 * doc/install.texi: Add missing `@samp'.
9764 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9766 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9769 2006-02-18 Mark Wielaard <mark@klomp.org>
9771 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9772 who added new 4.1 features, bug fixes and integration support.
9774 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9777 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9780 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9782 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9783 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9784 (copy_insn_1): Likewise. Don't copy each field individually.
9786 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9788 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9789 * rtl.c (rtx_size): Rename variable to...
9790 (rtx_code_size): ...this.
9791 (rtx_size): New function.
9792 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9793 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9795 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9796 * rtl.h (rtx_code_size): New variable.
9797 (rtx_size): Change from a variable to a function.
9798 (RTX_SIZE): Rename to...
9799 (RTX_CODE_SIZE): ...this.
9802 PR tree-optimization/17106
9803 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9804 (Anchored Addresses): New section.
9805 * doc/invoke.texi (-fsection-anchors): Document.
9806 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9807 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9808 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9809 * hooks.c (hook_bool_mode_rtx_false): New function.
9810 * hooks.h (hook_bool_mode_rtx_false): Declare.
9811 * gengtype.c (create_optional_field): New function.
9812 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9813 SYMBOL_REF_IN_BLOCK_P is true.
9814 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9815 (min_anchor_offset, max_anchor_offset): Likewise.
9816 (use_anchors_for_symbol_p): New hook.
9817 * toplev.c (compile_file): Call output_object_blocks.
9818 (target_supports_section_anchors_p): New function.
9819 (process_options): Check that -fsection-anchors is only used on
9820 targets that support it and when -funit-at-a-time is in effect.
9821 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9822 if the decl doesn't have one.
9823 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9824 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9825 of force_const_mem through use_anchored_address.
9826 (expand_expr_constant): New function.
9827 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9828 calling expand_expr for INDIRECT_REF.
9829 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9830 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9831 * expr.h (use_anchored_address): Declare.
9832 * loop-unroll.c: Don't declare rtx vectors here.
9833 * explow.c: Include output.h.
9834 (validize_mem): Call use_anchored_address.
9835 (use_anchored_address): New function.
9836 * common.opt (-fsection-anchors): New switch.
9837 * varasm.c (object_block_htab, anchor_labelno): New variables.
9838 (hash_section, object_block_entry_eq, object_block_entry_hash)
9839 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9840 (use_blocks_for_decl_p, change_symbol_section): New functions.
9841 (get_variable_section): New function, split out from assemble_variable.
9842 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9843 use_blocks_for_decl_p say so. Use change_symbol_section if the
9844 symbol has already been created.
9845 (assemble_variable_contents): New function, split out from...
9846 (assemble_variable): ...here. Don't output any code for
9847 block symbols; just pass them to place_block_symbol.
9848 Use get_variable_section and assemble_variable_contents.
9849 (get_constant_alignment, get_constant_section, get_constant_size): New
9850 functions, split from output_constant_def_contents.
9851 (build_constant_desc): Create a block symbol if use_object_blocks_p
9852 says so. Or into SYMBOL_REF_FLAGS.
9853 (assemble_constant_contents): New function, split from...
9854 (output_constant_def_contents): ...here. Don't output any code
9855 for block symbols; just pass them to place_section_symbol.
9856 Use get_constant_section and get_constant_alignment.
9857 (force_const_mem): Create a block symbol if use_object_blocks_p and
9858 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9859 (output_constant_pool_1): Add an explicit alignment argument.
9860 Don't switch sections here.
9861 (output_constant_pool): Adjust call to output_constant_pool_1.
9862 Switch sections here instead. Don't output anything for block symbols;
9863 just pass them to place_block_symbol.
9864 (init_varasm_once): Initialize object_block_htab.
9865 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9866 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9867 (place_block_symbol, get_section_anchor, output_object_block)
9868 (output_object_block_htab, output_object_blocks): New functions.
9869 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9870 (TARGET_ASM_OUT): Include it.
9871 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9872 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9873 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9874 (TARGET_INITIALIZER): Include them.
9875 * rtl.c (rtl_check_failed_block_symbol): New function.
9876 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9877 (block_symbol, object_block): New structures.
9878 (rtx_def): Add a block_symbol field to the union.
9879 (BLOCK_SYMBOL_CHECK): New macro.
9880 (rtl_check_failed_block_symbol): Declare.
9881 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9882 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9883 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9884 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9885 * output.h (output_section_symbols): Declare.
9886 (object_block): Name structure.
9887 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9888 (default_use_anchors_for_symbol_p): Declare.
9889 * Makefile.in (RTL_BASE_H): Add vec.h.
9890 (explow.o): Depend on output.h.
9891 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9892 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9893 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9894 (rs6000_use_blocks_for_constant_p): New function.
9896 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9898 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9900 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9903 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9906 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9908 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9912 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9915 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9916 instead of DECL_REGISTER.
9918 2006-02-18 Olivier Hainque <hainque@adacore.com>
9921 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9923 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9926 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9927 * opth-gen.awk: Handle Var and InverseMask together.
9928 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9929 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9930 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9931 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9933 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9934 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9935 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9936 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9937 LINUX_DYNAMIC_LINKER): Define.
9938 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9939 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9941 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9942 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9943 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9945 (TARGET_C99_FUNCTIONS): Don't define.
9946 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9947 GLIBC_DYNAMIC_LINKER.
9948 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9949 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9950 GLIBC_DYNAMIC_LINKER64): Define.
9951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9952 LINUX_DYNAMIC_LINKER64.
9953 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9955 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9956 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9957 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9959 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9960 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9961 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9963 and LINUX_DYNAMIC_LINKER32.
9964 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9965 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9966 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9967 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9968 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9970 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9971 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9972 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9973 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9974 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9975 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9976 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9977 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9978 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9979 LINUX_DYNAMIC_LINKER): Define.
9980 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9981 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9982 GLIBC_DYNAMIC_LINKER64): Define.
9983 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9984 LINUX_DYNAMIC_LINKER64.
9985 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9986 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9987 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9988 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9989 LINUX_DYNAMIC_LINKER): Define.
9990 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9991 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9992 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9993 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9994 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9995 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9996 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9997 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9998 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9999 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10000 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10001 * doc/invoke.texi (-muclibc): Remove caveat about supported
10004 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10006 * doc/cpp.texi (__TIMESTAMP__): Document.
10008 2006-02-17 Roger Sayle <roger@eyesopen.com>
10010 PR middle-end/25600
10011 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10012 C is one less than the width of X (and related transformations).
10013 * simplify-rtx.c (simplify_unary_operation_1): Transform
10014 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10015 depending on STORE_FLAG_VALUE, were C is one less then the
10018 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10020 Fix PR tree-optimization/26341
10021 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10022 about NAME_MEMORY_TAG's.
10024 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10027 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10028 with hardware float support, and software float support. Add fcpy
10029 alternative to hardware patterns. Add alternatives to copy between
10030 general and floating-point registers to the 32-bit pattern.
10031 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10032 secondary reload to load a QI or HI mode constant into a floating
10034 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10035 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10037 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10040 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10042 (load_macho_picbase_di): Likewise.
10044 2006-02-16 Jeff Law <law@redhat.com>
10046 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10047 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10048 (ssa_name_nonzero_p): Likewise.
10049 (get_value_range): Return NULL if VRP is not running.
10050 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10051 VRP routines do not discover a range.
10052 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10053 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10054 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10055 (tree_expr_nonnegative_p): Similarly.
10056 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10057 (restore_nonzero_vars_to_original_value): Remove.
10058 (unsafe_associative_fp_binop): Remove.
10059 (tree_ssa_dominator_optimize): Remove initialization and
10060 finalization of nonzero_vars and nonzero_vars_stack.
10061 (dom_opt_initialize_block): No longer push marker on
10062 nonzero_vars_stack.
10063 (dom_opt_finalize_block): No longer call
10064 restore_nonzero_vars_to_original_value.
10065 (record_equivalences_from_phis): No longer look for
10066 nonzero PHI arguments.
10067 (cprop_into_successor_phis): No longer propagate nonzero
10068 property into PHI arguments. Lose unused argument. Caller
10070 (record_equivalences_from_stmt): No longer record nonzero
10071 values for SSA_NAMEs.
10072 (lookup_avail_expr): No longer use nonzero_vars.
10074 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10075 for sizetype when sizetype is unsigned.
10077 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10079 PR rtl-optimization/25603
10080 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10081 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10082 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10083 with new meaning of SETS.
10085 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10090 * config/linux.opt: New file.
10091 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10092 LINUX_DYNAMIC_LINKER): Define.
10093 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10094 * config.gcc (*-*-linux*): Define extra_options.
10095 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10096 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10097 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10098 GLIBC_DYNAMIC_LINKER.
10099 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10100 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10101 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10103 * doc/invoke.texi (GNU/Linux Options): New section.
10105 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10107 * config/sparc/sparc.md (setjmp): Rewrite.
10108 (setjmp_32): Delete.
10109 (setjmp_64): Likewise.
10111 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10113 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10116 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10118 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10121 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10123 PR rtl-optimization/26296
10124 * Makefile.in (loop-invariant.c): Add except.h dependency.
10125 * loop-invariant.c: Include except.h.
10126 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10128 2005-02-16 Paul Brook <paul@codesourcery.com>
10130 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10133 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10135 PR rtl-optimization/25636
10136 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10137 when deciding whether an insn is an initializing insn.
10139 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10141 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10142 (tree_code_size): Ditto.
10143 * tree.h (struct tree_memory_tag): Remove parent_var.
10144 (struct tree_struct_field_tag): New.
10147 (union tree_node): Add sft member.
10148 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10150 (create_sft): Add size and offset argument, set SFT_OFFSET and
10152 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10153 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10154 * tree-flow-inline.h (get_subvar_at): Update for
10155 SFT_OFFSET/SFT_SIZE.
10156 (var_can_have_subvars): Ditto.
10157 (overlap_subvar): Ditto.
10158 * print-tree.c (print_node): Print out interesting things for
10160 * tree-flow.h (struct subvar): Remove offset and size members.
10161 * tree-ssa-operands.c (get_expr_operands): Update for
10162 get_indirect_ref_operands changes.
10163 (get_indirect_ref_operands): Call add_virtual_operand instead of
10164 add_stmt_operand. Only recurse on base var if requested.
10165 (access_can_touch_variable): New function.
10166 (add_stmt_operand): Split virtual operand handling into ...
10167 (add_virtual_operand): Here. Add offset, size, and for_clobber
10168 arguments. Prune alias sets.
10169 (add_call_clobber_ops): Call add_virtual_operand.
10171 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10173 PR middle-end/26300
10174 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10176 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10177 than TREE_CODE as index into omp_clause_num_ops array.
10179 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10181 PR rtl-optimization/26184
10182 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10184 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10185 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10186 must_precede, must_follow and tobe_scheduled.
10189 * opts.c (common_handle_option): Free new_option pointer.
10190 * df-core.c (df_analyze): Free postorder pointer.
10192 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10194 * Makefile.in: Fix the examples about the use of stamps
10196 2006-02-15 Michael Matz <matz@suse.de>
10198 PR middle-end/22275
10200 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10201 influenced by maximum_field_alignment or DECL_PACKED.
10202 (update_alignment_for_field): Ditto.
10203 (place_field): Ditto.
10204 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10207 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10209 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10210 (debug_flow_info): Pass it.
10211 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10212 * bb-reorder.c (reorder_basic_blocks): Likewise.
10213 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10214 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10215 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10216 * gcse.c (gcse_main, bypass_jumps): Likewise.
10217 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10218 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10219 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10220 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10221 * rtl.h (dump_flow_info): Adjust prototype.
10222 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10223 * var-tracking.c (variable_tracking_main): Likewise.
10224 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10225 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10228 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10230 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10233 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10235 PR tree-optimization/26209
10236 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10237 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10239 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10241 2006-02-14 Roger Sayle <roger@eyesopen.com>
10243 PR middle-end/23670
10244 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10245 (X,Y) and the corresponding symmetry related transformations.
10246 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10247 (X,Y) and its symmetry related transformations.
10249 2006-02-14 Roger Sayle <roger@eyesopen.com>
10251 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10254 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10256 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10258 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10261 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10262 support COMDAT group.
10263 * configure: Regenerate.
10265 2006-02-14 Roger Sayle <roger@eyesopen.com>
10267 PR middle-end/26279
10268 PR middle-end/26280
10269 PR middle-end/26283
10270 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10272 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10274 Fix PR tree-optimization/26260
10276 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10278 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10279 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10280 * tree-ssa-structalias.c (create_variable_info_for): Use
10281 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10283 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10285 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10287 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10288 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10289 of the ending condition.
10290 * tree-ssa-loop-manip.c: Include params.h.
10291 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10292 tree_unroll_loop): New functions.
10293 * tree-pass.h (pass_loop_prefetch): Declare.
10294 * loop.c (rest_of_handle_loop_optimize): Test for
10295 -fprefetch-loop-arrays-rtl.
10296 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10297 * timevar.def (TV_TREE_PREFETCH): New timevar.
10298 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10299 pass_loop_prefetch): New.
10300 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10301 (cleanup_tree_cfg_loop): Call scev_reset.
10302 * common.opt (fprefetch-loop-arrays-rtl): Add.
10303 * tree-ssa-loop-prefetch.c: New file.
10304 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10305 (new_temp_expr_table): Initialize expr_vars.
10306 (free_temp_expr_table): Cleanup expr_vars.
10307 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10308 expressions from being merged into one.
10309 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10310 (struct tree_niter_desc): Add control, bound and cmp fields.
10311 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10313 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10314 (tree-cfgcleanup.o): Add SCEV_H dependency.
10315 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10316 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10318 2006-02-14 Richard Guenther <rguenther@suse.de>
10320 PR tree-optimization/26258
10321 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10322 in PHI argument processing.
10324 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10326 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10327 new expression in the requested machine mode.
10329 2006-02-13 Roger Sayle <roger@eyesopen.com>
10331 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10332 directly, instead let do_compare_rtx_and_jump handle this for us.
10333 * expr.c (expand_expr_real_1): Likewise.
10334 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10335 before do_jump_by_parts_greater.
10336 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10337 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10339 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10341 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10343 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10345 PR rtl-optimization/26235
10346 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10347 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10350 2006-02-13 Jeff Law <law@redhat.com>
10352 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10355 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10357 PR middle-end/26092
10358 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10359 twice if decl is a builtin. When trying again, call get_callee_fndecl
10360 first to verify it is still a builtin.
10362 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10364 * dwarf2out.c (base_type_die): Don't add AT_name here.
10365 (subrange_type_die): Don't add AT_name here.
10366 (modified_type_die): Rearrange code flow. Do add AT_name here.
10368 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10370 PR rtl-optimization/26247
10371 PR rtl-optimization/26248
10372 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10374 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10376 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10377 * config/fixtfdi.c: Likewise.
10378 * config/fixunstfdi.c: Likewise.
10379 * config/floatditf.c: Likewise.
10381 2006-02-13 Roger Sayle <roger@eyesopen.com>
10383 PR middle-end/24427
10384 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10385 into (X,C2) if C1 is a subset of the bits of C2. Transform
10386 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10388 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10390 2006-02-13 Josh Conner <jconner@apple.com>
10393 * varasm.c (function_section): Check for section name before
10394 calling select_section on targets that define
10395 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10396 unlikely_text_section instead of hot_function_section if
10397 first_function_block_is_cold.
10399 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10401 PR middle-end/25335
10402 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10404 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10406 PR rtl-optimization/26222
10407 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10408 after tree->rtl expansion.
10409 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10410 before passing it to emit_move_insn.
10412 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10414 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10416 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10417 Clarify documentation.
10418 * c-common.h (warn_write_strings): Remove.
10419 * c-common.c (warn_write_strings): Likewise.
10420 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10423 2006-02-12 Roger Sayle <roger@eyesopen.com>
10425 PR middle-end/25724
10426 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10427 (do_jump_parts_zero_rtx): New function renamed from
10428 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10429 (do_jump_parts_equality_rtx): New function split out from
10430 do_jump_parts_equality. Old implementation renamed as above.
10431 Call do_jump_parts_zero_rtx if either operand is zero.
10432 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10433 do all of the heavy lifting.
10434 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10435 calling either do_jump_by_parts_greater_rtx or
10436 do_jump_by_parts_equality_rtx.
10437 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10438 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10439 moved to do_compare_rtx_and_jump, call it directly.
10440 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10441 mode argument. Call do_compare_rtx_and_jump.
10442 (emit_case_nodes): Update calls to do_jump_if_equal.
10444 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10446 PR rtl-optimization/26225
10447 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10449 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10451 PR rtl-optimization/26232
10452 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10454 2006-02-11 Jason Merrill <jason@redhat.com>
10457 * tree-inline.c (declare_return_variable): Just don't use the
10458 modify target if it's a gimple complex reg and the return slot
10461 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10463 * doc/contrib.texi: Update my entry.
10465 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10467 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10469 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10471 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10474 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10476 * doc/invoke.texi (-floop-optimize2): Removed.
10477 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10478 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10479 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10480 * common.opt (floop-optimize2): Removed.
10481 (fmove-loop-invariants): Enabled by default.
10483 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10485 * tree-if-conv.c (combine_blocks): Free the result of
10486 get_loop_exit_edges.
10488 2006-02-10 Jeff Law <law@redhat.com>
10490 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10492 PR tree-optimization/26213
10493 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10494 loop trying to follow SSA_NAME_VALUE chains.
10496 2006-02-10 Richard Guenther <rguenther@suse.de>
10498 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10499 deal with structures that end in implicitly variable sized arrays.
10501 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10503 PR rtl-optimization/24762
10504 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10507 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10509 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10510 (struct ivopts_data): Add regs_used field.
10511 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10512 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10513 instead of loop_data->regs_used;
10514 (free_loop_data): Do not free aux fields for loops.
10515 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10516 and tree_ssa_iv_optimize_finalize.
10518 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10520 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10522 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10525 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10526 computing the effective result type.
10528 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10530 PR inline-asm/16194
10531 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10532 (tree_overlaps_hard_reg_set): Declare.
10533 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10534 type and signature to match function type expected by walk_tree.
10535 (tree_overlaps_hard_reg_set): New function.
10536 (decl_conflicts_with_clobbers_p): Rename to:
10537 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10538 Use tree_overlaps_hard_reg_set. Changed caller.
10539 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10540 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10541 * cris.c (cris_md_asm_clobbers): Likewise.
10543 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10545 * reload1.c (emit_input_reload_insns): Delete code that tries to
10546 inherit using find_equiv_reg.
10548 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10550 * c-common.h (flag_const_strings): Don't declare.
10551 * c-common.c (flag_const_strings): Remove.
10552 * c.opt (fconst_strings): Remove.
10553 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10554 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10555 (c_common_init_options): Don't set flag_const_strings.
10556 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10558 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10560 * arm.md (tlobits_cbranch): New pattern.
10561 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10562 testing a single bit.
10564 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10567 * tree-ssa-pre.c (create_component_ref_by_pieces):
10568 Handle RETURN_DECL like VAR_DECL.
10570 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10572 PR middle-end/26134
10573 * fold-const.c (fold_indirect_ref_1): Fold
10574 "*(foo *)&complexfoo" to "__real__ complexfoo"
10575 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10577 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10579 * tree-flow-inline.h (var_can_have_subvars):
10580 Volatile variables should not have subvariables.
10582 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10585 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10586 multiplying unsigned values.
10589 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10591 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10593 2006-02-08 Jason Merrill <jason@redhat.com>
10596 * tree.def: Elaborate on difference from MODIFY_EXPR.
10597 * doc/c-tree.texi (INIT_EXPR): Likewise.
10598 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10599 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10600 (gimplify_target_expr): Likewise.
10601 (gimplify_cond_expr): Remove target handling.
10602 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10603 (gimplify_expr): Clobber it here.
10604 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10605 Do return slot optimization if we have an INIT_EXPR.
10608 * tree-inline.c (declare_return_variable): Also clear
10609 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10612 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10614 PR middle-end/22439
10615 * gimplify.c (gimplify_one_sizepos): Fix typo.
10617 2006-02-08 Jeff Law <law@redhat.com>
10619 PR tree-optimization/21417
10620 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10621 across a backedge if the control statement at the end of the
10622 block is data dependent on other statements in the same block.
10623 (record_temporary_equivalences_from_stmts): Remove over-conservative
10624 test for threading across backedges.
10626 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10627 control statement, handle all three special cases in the same
10628 manner as they all have the same desired solution. No longer
10629 special case edge flag updating when the post dominator is
10632 2006-02-08 Roger Sayle <roger@eyesopen.com>
10634 * tree.def (CHAR_TYPE): Remove.
10635 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10636 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10637 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10638 (gen_string_type_die): Delete unreachable function.
10640 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10641 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10642 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10643 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10644 * builtins.c (type_to_class): Likewise.
10645 * fold-const.c (fold_convert, build_range_check,
10646 merge_ranges): Likewise.
10647 * expr.c (count_type_elements): Likewise.
10648 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10649 * stor-layout.c (layout_type): Likewise.
10650 * ipa-type-escape.c (type_to_consider): Likewise.
10651 * gimplify.c (omp_firstprivatize_type_sizes,
10652 gimplify_type_sizes): Likewise.
10653 * explow.c (promote_mode): Likewise.
10654 * tree-sra.c (is_sra_scalar_type): Likewise.
10655 * varasm.c (output_constant): Likewise.
10656 * tree-inline.c (remap_type_1): Likewise.
10657 * convert.c (convert_to_pointer, convert_to_real,
10658 convert_to_integer, convert_to_complex): Likewise.
10660 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10662 * df-scan.c (df_def_record_1): A set destination may
10663 be a parallel regardless of mode.
10665 2006-02-08 Roger Sayle <roger@eyesopen.com>
10668 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10669 * config/mips/_tilib.c: Remove.
10670 * config/fixtfdi.c: New libgcc source file.
10671 * config/fixunstfdi.c: New source file.
10672 * config/floatditf.c: New source file.
10673 * config/floatunditf.c: New souce file.
10674 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10675 files above instead of config/mips/_tilib.c.
10676 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10678 2006-02-08 Jeff Law <law@redhat.com>
10680 PR tree-optimization/26169
10681 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10684 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10686 * df.h (DF_REG_SIZE): Return the length of the initialized
10689 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10691 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10692 __muldf3): Return a correctly signed zero.
10694 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10696 * passes.c (register_one_dump_file): Accept the current properties
10697 instead of pass number. Adjust call to dump_register. Remove
10699 (register_dump_files): Now a wrapper around...
10700 (register_dump_files_1): ... this one. Do not modify the pass
10702 (next_pass_1): Cosmetic fix.
10703 (execute_todo): Keep second parameter only. Use curr_properties
10704 instead of fetching it from the pass structure. Check and set
10706 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10707 instead of fetching it from the pass structure. Fix calls to
10708 execute_todo. Update curr_properties and initialize .vcg RTL dump
10709 after running the pass. Reset last_verified.
10710 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10712 (FIRST_AUTO_NUMBERED_DUMP): New.
10713 (dump_register): Remove "num" parameter, assign it within the
10715 (get_dump_file_name): Modify template for dumps.
10716 * tree-dump.h (dump_register): Adjust prototype.
10717 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10718 (PROP_trees): Add PROP_gimple_lomp.
10719 (TODO_set_props): New.
10720 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10721 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10722 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10724 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10726 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10727 (sparc64-*-linux*): Likewise.
10728 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10729 * config/sparc/t-linux: New file.
10730 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10731 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10732 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10733 -m32 -mlong-double-128.
10735 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10736 * config/alpha/t-linux: New file.
10737 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10739 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10740 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10741 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10742 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10743 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10744 (CPP_ARCH32_SPEC): Remove.
10746 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10748 PR tree-optimization/26145
10749 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10752 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10755 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10756 >= 240000 when generating code for SOM runtime.
10757 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10758 to $$dyncall when generating code for SOM runtime..
10760 2006-02-07 Dirk Mueller <dmueller@suse.com>
10763 * doc/invoke.texi (-Wsequence-point): Update documentation
10764 that -Wsequence-point is implemented for C++ as well.
10766 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10768 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10769 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10770 (LIB_SPEC): Likewise.
10771 * doc/invoke.texi (SPARC options): Document -pthread.
10773 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10775 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10778 2006-02-07 Roger Sayle <roger@eyesopen.com>
10780 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10781 Correct comment describing BOOLEAN_TYPE.
10783 2006-02-07 Dirk Mueller <dmueller@suse.com>
10785 * c.opt: C++ frontend supports -Wdiv-by-zero.
10786 * c-opts.c (c_common_handle_option): Remove dead case.
10788 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10790 * configure.ac (TLS assembler check): Do not enable TLS by
10791 default on SPARC/Solaris before version 10.
10792 * configure: Regenerate.
10794 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10796 * doc/invoke.texi (xl-compat): Document conversion and support
10799 2006-02-07 Jeff Law <law@redhat.com>
10801 * tree-vrp.c (find_conditional_asserts): Update comments.
10802 (simplify_stmt_for_jump_threading): New.
10803 (identify_jump_threads, finalize_jump_threads): New.
10804 (vrp_finalize): Call identify_jump_threads.
10805 (execute_vrp): Call finalize_jump_threads.
10806 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10807 (vrp_element, vrp_data, vrp_element_p): Remove.
10808 (vrp_hash_elt, vrp_variables_stack): Remove.
10809 (vrp_hash, vrp_eq, record_range): Remove.
10810 (simplify_cond_and_lookup_avail_expr): Remove.
10811 (extract_range_from_cond): Remove.
10812 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10813 (simplify_stmt_for_jump_threading): New.
10814 (dom_thread_across_edge): New wrapper.
10815 (tree_ssa_dominator_optimize): No longer initialize or
10816 finalize any of the VRP datastructures. Remove iteration
10817 step and simplify as a result of removal of iteration step.
10818 (pass_dominator): Perform a cfg cleanup after DOM.
10819 (dom_opt_finalize_block): Use the new common routines
10820 for threading jumps. Simplify stack management slightly.
10821 No longer need to unwind VRP state.
10822 (record_equivalences_from_incoming_edge): No longer record
10824 (eliminate_redundant_computations): No longer call
10825 simplify_cond_and_lookup_avail_expr.
10826 * tree-flow.h (potentially_threadable_block): Prototype.
10827 (thread_across_edge): Likewise.
10828 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10829 (tree-ssa-threadedge.o): Add dependencies.
10830 * tree-ssa-threadedge.c: New file.
10831 * passes.c (init_optimization_passes): Merge PHIs before
10832 calling VRP. Run VRP again late in the SSA optimization pipeline.
10834 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10836 * df-core.c (df_set_blocks): Do not dereference function pointers.
10837 (df_finish1): Likewise.
10838 (df_hybrid_search_forward): Likewise.
10839 (df_hybrid_search_backward): Likewise.
10840 (df_iterative_dataflow): Likewise.
10841 (df_analyze_problem): Likewise.
10842 (df_compact_blocks): Likewise.
10843 (df_dump): Likewise.
10844 * df-scan.c (df_rescan_blocks): Likewise.
10845 (df_record_entry_block_defs): Likewise.
10847 * genconditions.c (write_conditions): Guard the definition of
10848 'insn_conditions' with the check on GCC version.
10849 (write_writer): Guard the traversal 'insn_conditions' with
10850 the check on GCC version.
10852 2006-02-07 Richard Guenther <rguenther@suse.de>
10856 2006-01-30 Richard Guenther <rguenther@suse.de>
10858 * gimplify.c (gimplify_target_expr): Handle easy cases
10859 without creating a temporary.
10861 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10863 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10864 use of float in probability computations. Use edge probabilities
10865 in place of statically computed probabilities.
10866 (min_spec_prob): New static variable.
10867 (schedule_insns): Initialize it.
10868 (GET_SRC_PROB): Removed.
10869 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10871 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10874 * config/ia64/unwind-ia64.c: Revert last change.
10875 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10876 (INCOMING_FRAME_SP_OFFSET): Define.
10878 2006-02-06 Roger Sayle <roger@eyesopen.com>
10880 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10882 2006-02-07 Ben Elliston <bje@au.ibm.com>
10884 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10885 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10886 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10887 (ix86_return_in_memory): Handle TDmode.
10888 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10889 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10891 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10893 * reorg.c (dbr_schedule): Use dump_file instead of file.
10895 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10898 * config/ia64/predicates.md (extr_len_operand): New predicate.
10899 * config/ia64/ia64.md (extv): Tighten constraints.
10901 (*tbit_and_2): Ditto.
10902 (*tbit_and_3): Ditto.
10903 (*tbit_or_2): Ditto.
10904 (*tbit_or_3): Ditto.
10905 (*bit_zero): Ditto.
10908 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10911 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10913 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10915 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10916 loop_optimizer_init and loop_optimizer_finalize
10917 * tree-ssa-sink.c (execute_sink_code): Ditto.
10918 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10919 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10920 tree_ssa_loop_done): Ditto.
10921 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10922 * sched-ebb.c: Include output.h.
10923 (schedule_ebbs): Do not use dump argument.
10924 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10925 * loop.c (loop_dump_stream): Removed.
10926 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10928 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10929 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10930 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10931 loop_iterations, strength_reduce, record_biv, record_giv,
10932 final_giv_value, check_final_value, check_ext_dependent_givs,
10933 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10934 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10935 dump_file instead of loop_dump_stream.
10936 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10937 argument dump_file.
10938 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10940 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10941 * haifa-sched.c: Include output.h
10942 (schedule_insns, sched_init): Do not use dump argument.
10943 * mode-switching.c (optimize_mode_switching): Ditto.
10944 * modulo-sched.c (stats_file): Removed.
10945 (print_node_sched_params): Do not call argument dump_file.
10946 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10947 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10949 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10951 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10952 rtl_loop_init, rtl_loop_done): Ditto.
10953 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10954 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10956 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10957 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10958 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10959 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10960 * emit-rtl.c (renumber_insns): Ditto.
10961 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10962 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10963 * regclass.c (regclass): Ditto.
10964 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10965 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10966 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10967 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10969 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10970 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10972 * gcse.c (gcse_file, debug_stderr): Removed.
10973 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10974 rest_of_handle_gcse): Do not use dump argument.
10975 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10976 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10977 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10978 compute_code_hoist_vbeinout, compute_code_hoist_data,
10979 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10980 compute_store_table, build_store_vectors, insert_insn_start_bb,
10981 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10982 store_motion): Use dump_file instead of gcse_file.
10983 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10984 * profile.c (profile_dump_file): Removed.
10985 (branch_prob): Use dump_file instead of profile_dump_file.
10986 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10988 * tree-ssa-copy.c (dump_copy_of): Ditto.
10989 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10990 dump file to life_analysis.
10991 * bt-load.c (branch_target_load_optimize): Ditto.
10992 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10994 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10995 regclass, dbr_schedule): Declaration changed.
10996 * sched-int.h (sched_init): Declaration changed.
10997 * tree-profile.c (tree_profile_dump_file): Removed.
10998 (tree_profile_hooks): Removed profile_dump_file hook.
10999 * rtl-profile (rtl_profile_dump_file): Removed.
11000 (rtl_profile_hooks): emoved profile_dump_file hook.
11001 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11003 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11004 * tree-cfg.c (build_tree_cfg): Ditto.
11005 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11006 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11007 Declaration changed.
11008 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11009 life_analysis and schedule_insns.
11010 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11012 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11014 * config/mips/mips.c (mips_reorg): Ditto.
11015 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11018 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11020 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11021 (s390_mangle_fundamental_type): New.
11022 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11025 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11026 (alpha_mangle_fundamental_type): New.
11027 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11030 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11032 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11034 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11035 (sparc_mangle_fundamental_type): New.
11037 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11039 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11040 (s390x-*-linux*): Likewise.
11041 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11042 * config/s390/t-linux: New file.
11044 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11046 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11047 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11049 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11051 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11052 (ANTIC_SAFE_LOADS): New macro.
11053 (find_or_generate_expression): Add prototype.
11054 (set_contains_value): Allow null set for sake of not always having
11055 to allocate ANTIC_SAFE_LOADS.
11056 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11057 Allow COMPONENT_REF too.
11058 (valid_in_set): Allow COMPONENT_REF.
11059 Check ANTIC_SAFE_LOADS too.
11060 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11061 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11063 (can_PRE_operation): Add COMPONENT_REF.
11064 (create_component_ref_by_pieces): New function.
11065 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11066 (insert_aux): Move AGGREGATE_TYPE_P check here.
11067 (compute_avail): Set bb local stmt uids.
11068 (pass_pre): Use TODO_update_ssa_only_virtuals.
11070 2006-02-06 Ben Elliston <bje@au.ibm.com>
11072 * configure.ac: Unconditionally disable decimal float by default.
11073 * configure: Regenerate.
11075 2006-02-06 Ben Elliston <bje@au.ibm.com>
11077 * read-rtl.c (read_name): Terminate reading on EOF.
11079 2006-02-06 Ben Elliston <bje@au.ibm.com>
11081 * dfp.c (decimal_real_arithmetic): Change second argument type
11082 from int to enum tree_code. Do not always return true, but now
11083 return result of any call to decimal_do helper functions.
11084 * dfp.h (decimal_real_arithmetic): Update prototype.
11086 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11088 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11090 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11093 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11096 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11098 * tree-vrp.c (cfg_loops): Removed.
11099 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11100 Use current_loops instead of cfg_loops. Pass flags to
11101 loop_optimizer_init.
11102 * cfgloopmanip.c (fix_loop_structure): Update only available
11104 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11105 loop_optimizer_init.
11106 * modulo-sched.c (build_loops_structure): Removed.
11107 (sms_schedule): Use loop_optimizer_init.
11108 * loop-init.c (loop_optimizer_init): Use flags to determine
11109 which properties of loops to prepare.
11110 (rtl_loop_init): Pass flags to loop_optimizer_init.
11111 * tree-ssa-sink.c (execute_sink_code): Ditto.
11112 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11113 * tree-ssa-pre.c (init_pre): Ditto.
11114 * cfgloop.h (LOOPS_NORMAL): New.
11115 (loop_optimizer_init): Declaration changed.
11117 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11119 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11120 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11122 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11124 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11126 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11127 * pa/t-pa64: Delete quadlib.c rule.
11128 * pa/x-ada: Revert last change.
11129 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11131 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11133 PR rtl-optimization/26087
11134 * rtlanal.c (canonicalize_condition): Do not cross basic block
11137 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11140 * config/ia64/ia64.c: Include debug.h.
11141 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11142 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11143 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11144 (process_epilogue, process_set, process_for_unwind_directive):
11145 Output unwind info only if requested. Add CFA info if requested.
11146 Add new arguments as needed. Adjust callers.
11147 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11149 (DWARF2_FRAME_INFO): Define to zero.
11150 * config/ia64/unwind-ia64.c: Remove code that compensated for
11151 the CFA offset error fixed above.
11152 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11153 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11154 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11155 -funwind-tables and -fexceptions to enable frame info.
11156 (dwarf2out_frame_init): Define initial CFA even if
11157 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11158 DWARF2_UNWIND_INFO is nonzero, not just defined.
11159 (dwarf2out_frame_finish): Output non-EH call frame info only
11160 if DWARF2_FRAME_INFO is nonzero.
11161 (convert_cfa_to_loc_list,
11162 compute_frame_pointer_to_cfa_displacement): Define even if
11163 unwind info is not supported.
11164 (gen_subprogram_die): Use the above unconditionally. Remove
11165 legacy alternate code.
11166 * toplev.c (compile_file): Compile in call to
11167 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11168 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11170 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11171 Jakub Jelinek <jakub@redhat.com>
11173 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11174 IBM extended float format long double as "g" on powerpc*-linux.
11176 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11179 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11180 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11182 2006-02-03 Jason Merrill <jason@redhat.com>
11185 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11187 PR middle-end/25977
11188 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11189 on the return slot if it's an NRV.
11191 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11193 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11194 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11195 rewrite_use): Do not handle USE_OUTER.
11196 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11197 add_iv_outer_candidates, may_replace_final_value,
11198 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11199 (find_interesting_uses_op): Functionality of
11200 find_interesting_uses_outer_or_nonlin moved here.
11201 (find_interesting_uses_outside): Use find_interesting_uses_op.
11203 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11206 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11208 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11209 Ulrich Weigand <uweigand@de.ibm.com>
11212 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11213 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11214 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11215 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11217 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11218 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11219 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11220 Define secondary reloads for TFmode moves.
11221 (constant_modes): Add TFmode.
11222 (NR_C_MODES): Set to 8.
11223 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11225 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11226 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11227 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11228 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11229 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11230 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11231 (FPR mode macro): Add TFmode.
11232 (DSF mode macro): New.
11233 (<de>, <dee> mode attributes): Removed.
11234 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11235 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11236 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11237 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11238 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11239 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11240 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11241 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11242 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11243 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11244 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11245 "*negabs<mode>2", "sqrt<mode>2"):
11246 Changed <de> to <xde>. R constraint replaced by <Rf>.
11247 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11249 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11250 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11251 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11253 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11254 "extenddftf2", "extendsftf2"): New expanders.
11255 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11256 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11257 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11258 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11260 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11261 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11262 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11263 __floatditf): Add a GCC_4.1.0 symbol version tag.
11264 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11267 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11270 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11271 Use targetm.binds_local_p instead of TREE_PUBLIC.
11273 2006-02-02 Roger Sayle <roger@eyesopen.com>
11275 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11276 on INTEGER_TYPEs to indicate that it denotes a character type.
11277 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11278 signed_char_type_node, unsigned_char_type_node and char_type_node.
11279 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11280 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11281 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11283 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11284 Daniel Berlin <dberlin@dberlin.org>
11286 * tree-tailcall.c (arg_needs_copy_p): New function.
11287 (eliminate_tail_call): Use arg_needs_copy_p.
11288 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11289 (add_virtual_phis): New function.
11291 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11293 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11294 #ignore instead of #scratch for %g7 .register directive.
11296 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11298 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11301 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11303 * flow.c (calculate_global_regs_live): Assert that there aren't any
11306 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11308 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11309 what its name says.
11310 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11311 bsi_after_labels iterator.
11312 * tree-if-conv.c (find_phi_replacement_condition,
11313 replace_phi_with_cond_modify_expr): Likewise.
11314 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11315 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11317 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11319 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11321 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11324 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11325 array after growing it.
11327 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11329 PR middle-end/24901
11330 * fold-const.c (fold_checksum_tree): Change type of buf.
11332 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11334 * reload.c (push_secondary_reload): Initialize t_icode.
11336 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11338 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11339 -msoft-float -mlong-double-128 only issue a warning, but don't
11340 swich to DFmode long double.
11342 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11344 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11345 has a constant equivalent, iterate over equivalents for arg0,
11346 calling simplify_relational_operation and if there's a result
11347 cheaper than X, apply fold_rtx and return the result.
11349 2006-02-01 Jan Hubicka <jh@suse.cz>
11351 * opts.c (no_unit_at_a_time_default): New global variable.
11352 (decode_options): Use it.
11353 * opts.h (no_unit_at_a_time_default): Declare.
11355 2006-02-01 Paul Brook <paul@codesourcery.com>
11357 * function.c (assign_parm_setup_reg): Use function argument promotion
11359 * expr.c (expand_expr_real_1): Use function argument promotion rules
11362 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11364 * gcc.c (process_command): Change j to 'unsigned int'.
11366 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11368 PR middle-end/26001
11369 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11370 Use the corrected index for the character
11371 out of the string constant.
11373 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11375 * mode-switching.c (optimize_mode_switching): Fix size
11376 allocated for bb_info[n_entities].
11378 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11380 * gcc.c (main): Correct type that is allocated for
11381 explicit_link_files.
11383 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11385 * config/s390/s390.c (init_alignment_context): Set
11386 ALIAS_SET_MEMORY_BARRIER on the MEM.
11387 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11389 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11391 PR middle-end/25933
11392 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11394 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11397 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11399 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11400 * regrename.c: Ditto.
11401 * tree-ssa-loop-im.c: Ditto.
11402 * tree-dump.c: Ditto.
11403 * tree-complex.c: Ditto.
11404 * genrecog.c: Ditto.
11405 * tree-ssa-threadupdate.c: Ditto.
11407 * java/class.c: Ditto.
11408 * java/jcf-parse.c: Ditto.
11409 * java/resource.c: Ditto.
11410 * java/except.c: Ditto.
11411 * java/jvspec.c: Ditto.
11412 * java/jcf-write.c: Ditto.
11413 * java/jcf-path.c: Ditto.
11414 * java/gjavah.c: Ditto.
11415 * java/zextract.c: Ditto.
11416 * java/jcf-io.c: Ditto.
11417 * java/jcf.h: Ditto.
11418 * java/buffer.c: Ditto.
11419 * java/lang.c: Ditto.
11420 * java/parse-scan.y: Ditto.
11421 * java/lex.c: Ditto.
11422 * java/lex.h: Ditto.
11423 * cfgloopmanip.c: Ditto.
11424 * postreload-gcse.c: Ditto.
11425 * tree-ssa-loop-manip.c: Ditto.
11426 * postreload.c: Ditto.
11427 * tree-ssa-loop-ch.c: Ditto.
11430 * cppspec.c: Ditto.
11431 * diagnostic.c: Ditto.
11433 * genoutput.c: Ditto.
11435 * cfghooks.c: Ditto.
11436 * cfgloopanal.c: Ditto.
11437 * objc/objc-act.c: Ditto.
11439 * genextract.c: Ditto.
11440 * genautomata.c: Ditto.
11441 * pretty-print.c: Ditto.
11442 * genemit.c: Ditto.
11443 * cgraphunit.c: Ditto.
11445 * df-scan.c: Ditto.
11446 * haifa-sched.c: Ditto.
11447 * dominance.c: Ditto.
11449 * tree-ssa-loop-ivopts.c: Ditto.
11450 * df-core.c: Ditto.
11451 * mode-switching.c: Ditto.
11452 * modulo-sched.c: Ditto.
11454 * ipa-pure-const.c: Ditto.
11456 * fix-header.c: Ditto.
11458 * tree-stdarg.c: Ditto.
11459 * ipa-utils.c: Ditto.
11460 * loop-init.c: Ditto.
11461 * ipa-inline.c: Ditto.
11462 * cfganal.c: Ditto.
11464 * alloc-pool.c: Ditto.
11465 * dwarf2out.c: Ditto.
11467 * genattrtab.c: Ditto.
11468 * tree-ssa-loop-ivcanon.c: Ditto.
11469 * predict.c: Ditto.
11470 * timevar.c: Ditto.
11472 * fortran/gfortranspec.c: Ditto.
11473 * regmove.c: Ditto.
11474 * local-alloc.c: Ditto.
11475 * langhooks.c: Ditto.
11476 * function.c: Ditto.
11477 * tree-vectorizer.c: Ditto.
11479 * ipa-type-escape.c: Ditto.
11481 * tree-if-conv.c: Ditto.
11482 * profile.c: Ditto.
11484 * tree-data-ref.c: Ditto.
11485 * loop-unroll.c: Ditto.
11486 * treelang/treetree.c: Ditto.
11488 * bt-load.c: Ditto.
11489 * ggc-common.c: Ditto.
11491 * coverage.c: Ditto.
11493 * tree-cfgcleanup.c: Ditto.
11494 * tree-ssa-pre.c: Ditto.
11495 * cfgcleanup.c: Ditto.
11496 * loop-invariant.c: Ditto.
11497 * loop-iv.c: Ditto.
11498 * ipa-prop.c: Ditto.
11499 * print-tree.c: Ditto.
11500 * conflict.c: Ditto.
11501 * ggc-page.c: Ditto.
11502 * sched-deps.c: Ditto.
11503 * regclass.c: Ditto.
11504 * tree-object-size.c: Ditto.
11505 * combine.c: Ditto.
11506 * bb-reorder.c: Ditto.
11507 * resource.c: Ditto.
11508 * var-tracking.c: Ditto.
11509 * cfgloop.c: Ditto.
11510 * df-problems.c: Ditto.
11511 * reg-stack.c: Ditto.
11513 * gccspec.c: Ditto.
11514 * sched-rgn.c: Ditto.
11515 * tree-ssa-structalias.c: Ditto.
11516 * tree-ssa-reassoc.c: Ditto.
11517 * config/darwin-c.c: Ditto.
11518 * config/darwin.c: Ditto.
11519 * config/arm/arm.c: Ditto.
11521 * collect2.c: Ditto.
11522 * reload1.c: Ditto.
11524 2006-01-31 Nicolas Pitre <nico@cam.org>
11526 * arm.md (smaxsi3): Make aware of smax_m1.
11529 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11531 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11533 2006-01-31 Richard Guenther <rguenther@suse.de>
11535 * doc/invoke.texi (-msselibm): Document.
11536 * target.h (expand_library_builtin): New target hook.
11537 * builtins.c (expand_builtin): Use expand_library_builtin.
11538 (default_expand_library_builtin): New function.
11539 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11540 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11541 (link_gcc_math_spec): Declare.
11542 (static_specs): Add link_gcc_math_spec.
11543 * expr.h (default_expand_library_builtin): Declare.
11544 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11545 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11546 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11547 * config/i386/i386.opt (msselibm): New target option.
11548 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11549 (ix86_init_sse_abi_builtins): New function.
11550 (ix86_expand_library_builtin): Likewise.
11551 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11552 (override_options): Handle error conditions wrt -msselibm.
11553 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11554 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11555 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11558 2006-01-31 Richard Guenther <rguenther@suse.de>
11559 Paolo Bonzini <bonzini@gnu.org>
11561 * doc/install.texi (--disable-libgcc-math): Document.
11563 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11565 * expr.h (expand_normal): new inline function.
11566 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11567 * dojump.c: use it.
11568 * dwarf2out.c: use it.
11571 * expmed.c: use it.
11572 * except.c: use it.
11573 * config/sparc/sparc.c: use it.
11574 * config/i386/i386.c: use it.
11575 * config/rs6000/rs6000.c: use it.
11576 * config/arm/arm.c: use it.
11577 * config/mips/mips.c: use it.
11578 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11580 2006-01-30 Roger Sayle <roger@eyesopen.com>
11582 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11583 argv to the appropriate type.
11585 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11587 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11590 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11593 * config/s390/s390.c (struct machine_function): New flag
11594 decomposed_literal_pool_addresses_ok_p.
11595 (s390_reorg): Set it before final stage of literal pool transforms.
11596 (s390_decompose_address): Only accept displacements of the form
11597 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11599 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11601 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11602 the comparison routine return.
11604 2006-01-30 Michael Matz <matz@suse.de>
11606 * global.c (find_reg): Only evict for global regs.
11607 Take n_refs into account and dump more info.
11609 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11612 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11613 (pragma_trap, pragma_nosave_low_regs): Likewise.
11614 (current_function_anonymous_args): Likewise.
11615 (sh_deferred_function_attributes): New variable.
11616 (sh_deferred_function_attributes_tail): Likewise.
11617 (print_operand): For '@', look up trap_exit attribute.
11618 (calc_live_regs): Look up trapa_handler attribute. For trapa
11619 handlers, save/restore fpscr, but don't do any other
11620 interrupt-specific saves.
11621 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11622 Fix check for partially saved registers to check for SHmedia.
11623 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11624 (sh_output_function_epilogue): Don't clear any of the removed
11626 (sh_insert_attributes): Don't check pragma_interrupt.
11627 Insert deferred attributes. Check that interrupt attribute is
11628 present for other attributes that require its presence.
11629 (sh_attribute_table): Add new attributes trapa_handler and
11631 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11632 Don't check for pragma_interrupt. Don't store argument.
11633 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11634 (sh_deferred_function_attributes): Declare.
11635 (sh_deferred_function_attributes_tail): Likewise.
11636 * sh.md (sp_switch_1): Add operand. Change generator caller.
11637 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11638 (*return_i): Don't use when trap_exit attribute is in effect.
11639 (*return_trapa): New insn pattern.
11640 * sh-c.c: New file.
11641 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11642 setting c_target_objs and cxx_target_objs.
11643 * t-sh: Add rule for sh-c.o.
11645 2006-01-30 Richard Guenther <rguenther@suse.de>
11648 * gimplify.c (gimplify_target_expr): Handle easy cases
11649 without creating a temporary.
11651 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11653 * vec.h (safe_grow): Remove duplicated line.
11655 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11658 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11659 (expand_omp): ... here.
11660 (expand_omp_parallel): Only remove barriers for combined
11661 parallel+workshare constructs.
11663 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11667 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11668 * tree.c (build_qualified_type): Chain the new type to the original
11669 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11670 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11671 (build_pointer_type_for_mode): Only return unqualified types.
11672 (build_reference_type_for_mode): Likewise.
11674 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11676 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11677 * Makefile.in (CXX_COMPAT_WARN): Define.
11678 * configure: Regenerate.
11680 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11683 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11686 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11688 * toplev.c: Fix thinko.
11690 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11691 Marcin Dalecki <martin@dalecki.de>
11693 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11694 (push_srcloc): Use XNEW.
11695 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11697 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11699 * df-core.c (df_set_blocks): Deleted all variable.
11701 2006-01-28 Ian Lance Taylor <ian@airs.com>
11703 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11704 cgraph_output_pending_asms.
11706 2006-01-28 Zack Weinberg <zackw@panix.com>
11708 * c.opt: Add -W(no-)overlength-strings.
11709 * doc/invoke.texi: Document it.
11710 * c-opts.c (c_common_handle_option): -pedantic implies
11711 -Woverlength-strings, if not explicitly disabled already.
11712 (c_common_post_options): -Woverlength-strings defaults to off, and
11713 is always off for C++.
11714 * c-common.c (fix_string_type): Issue warning about strings longer
11715 than is portable only if warn_overlength_strings. Rearrange code
11716 a little for clarity.
11717 * configure.in: Check for -Wno-overlength-strings as well before
11718 enabling -pedantic in stage 1.
11719 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11720 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11722 * genconditions.c (write_header, write_one_condition)
11723 (write_conditions, write_writer): Consolidate very long strings
11724 that were broken up to fit in C89 portable limit. Don't use
11725 printf when fputs will do.
11727 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11729 * combine.c (simplify_comparison <AND>): Check
11730 TRULY_NOOP_TRUNCATION before start using a subreg.
11732 * config/mips/mips.md (*branch_zero<mode>,
11733 *branch_zero<mode>_inverted, *branch_equality<mode>,
11734 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11735 Remove mode check from comparisons.
11737 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11739 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11741 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11743 * expmed.c (const_mult_add_overflow_p): Remove.
11744 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11746 * recog.c (validate_replace_rtx_subexp): Remove.
11747 * recog.h: Remove the prototype for
11748 validate_replace_rtx_subexp.
11750 * integrate.h: Remove the prototype for
11751 copy_decl_for_inlining.
11752 * rtl.h: Remove the prototype for mark_constant_function.
11753 * tree-vectorizer.h: Remove the prototype for
11754 vect_strip_conversion.
11756 * modulo-sched.c (create_partial_schedule,
11757 free_partial_schedule, reset_partial_schedule): Make them
11760 * hooks.c (hook_bool_rtx_int_false): Remove.
11761 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11763 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11765 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11766 and -mlong-double-128 are incompatible.
11767 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11768 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11769 (TARGET_LIBGCC2_CFLAGS): Define.
11770 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11771 (TARGET_LIBGCC2_CFLAGS): Same.
11772 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11774 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11777 * c-typeck.c (build_binary_op): Perform implicit casts of
11778 operands before shortening them.
11780 * cfgloopmanip.c (split_loop_bb): Remove.
11781 * cfgloop.h: Remove the prototype for split_loop_bb.
11783 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11784 * cfgloop.h: Remove the prototype for
11785 flow_loop_outside_edge_p.
11787 * emit-rtl.c (init_virtual_regs): Make it static.
11788 * function.h: Remove the prototype for init_virtual_regs.
11790 * recog.c (peephole2_optimize): Make it static.
11791 * recog.h: Remove the prototype for peephole2_optimize.
11793 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11795 * df-scan.c (df_record_entry_block_defs): Check if
11796 INCOMING_RETURN_ADDR_RTX is defined.
11798 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11799 Kenneth Zadeck <zadeck@naturalbridge.com>
11801 PR rtl-optimization/24762
11802 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11803 * targhooks.c (hook_void_bitmap): New hook prototype.
11804 * targhoohs.h (hook_void_bitmap): Ditto.
11805 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11806 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11807 * target.h (live_on_entry): New function pointer.
11808 * df-scan.c (df_all_hard_regs): Removed.
11809 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11810 (df_scan_free_internal): Added df->entry_block_defs.
11811 (df_scan_alloc): Ditto.
11812 (df_scan_dump): Ditto.
11813 (df_uses_record): Plumbed flag field properly thru calls.
11814 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11815 This part fixes PR24762.
11816 (df_bb_refs_record): Added code to make the frame and arg
11817 pointers live in EH blocks.
11818 (df_refs_record): Added call to df_record_entry_block_defs.
11819 (df_record_entry_block_defs): New function.
11820 * df-core.c: Added comments to describe new artifical defs.
11821 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11822 (entry_block_defs): New field in struct df.
11823 (df_all_hard_regs): Deleted.
11824 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11825 * df-problems.c (df_ru_bb_local_compute_process_def):
11826 Added code to handle artifical defs in the entry to a function.
11827 (df_ru_bb_local_compute): Ditto.
11828 (df_rd_bb_local_compute_process_def): Ditto.
11829 (df_rd_bb_local_compute): Ditto.
11830 (df_lr_bb_local_compute): Ditto.
11831 (df_ur_bb_local_compute): Ditto.
11832 (df_urec_bb_local_compute): Ditto.
11833 (df_chain_create_bb): Ditto.
11834 (df_ur_local_finalize): Removed entry.
11835 (df_urec_init): Ditto.
11836 (df_urec_local_finalize): Ditto.
11837 (df_ri_bb_compute): Added detection of last use of pseudos.
11838 * Makefile.in (df-scan.o): Updated dependencies.
11839 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11840 * config/mips/mips.c (mips_set_live_on_entry): Added.
11841 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11843 * dce.c (marked_insn_p): Added code to handle artifical defs.
11845 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11847 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11849 (_mm_cvtsi128_si64): Likewise.
11850 (_mm_cvtsd_si64): Likewise.
11851 (_mm_cvttsd_si64): Likewise.
11852 (_mm_cvtsi64_sd): Likewise.
11853 (_mm_cvtsi64_si128): Likewise.
11854 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11855 (_mm_cvtsi64_m64): Likewise.
11856 (_m_to_int64): Likewise.
11857 (_mm_cvtm64_si64): Likewise.
11858 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11859 (_mm_cvttss_si64): Likewise.
11860 (_mm_cvtsi64_ss): Likewise.
11861 (_mm_cvtss_f32): Likewise.
11863 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11865 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11866 for pragma redefine_extname.
11868 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11871 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11872 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11873 -mno-minimal-toc to previous content.
11874 (bispecs): Remove goal.
11875 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11876 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11877 compatibility aliases on powerpc-*-*gnu*.
11878 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11879 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11880 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11881 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11882 (ldblspecs): New goal.
11883 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11884 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11886 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11887 L_sf_to_tf or L_df_to_tf is defined.
11889 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11890 Alan Modra <amodra@bigpond.net.au>
11893 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11894 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11895 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11896 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11897 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11898 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11899 (rs6000_override_options): Initialize rs6000_ieeequad.
11900 Initialize TFmode format to ibm_extended_format if not
11902 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11904 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11905 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11906 (function_arg_advance): IBM long double passed in two FPRs, not
11908 (function_arg): IBM long double passed in FPRs.
11909 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11910 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11911 Only multireg GPR aligned.
11912 (rs6000_init_libfuncs): Enable IBM long double functions if not
11914 (rs6000_generate_compare): Use IBM long double compare if not
11916 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11917 (TARGET_IEEEQUAD): Define.
11918 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11919 not TARGET_IEEEQUAD.
11920 * config/rs6000/rs6000.md: Enable TFmode patterns if
11922 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11923 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11924 and -mlong-double-128 are incompatible.
11925 * doc/invoke.texi (-mabi): Collect options together. Add
11926 ibmlongdouble and ieeelongdouble.
11928 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11930 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11932 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11933 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11934 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11935 * rtl.h (rtunion_def): Remove rt_ptr.
11937 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11938 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11939 * config/i386/winnt.c (i386_pe_mark_dllexport)
11940 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11942 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11944 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11946 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11950 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11951 pthread_key_delete. From John David Anglin. gthrw-ify
11952 pthread_getunique_np only if it it's not a macro. Delete
11954 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11955 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11956 __gthread_objc_condition_signal, __gthread_key_delete): Add
11957 "__attribute__ ((__unused__))" to unused arguments.
11958 (__gthread_recursive_mutex_init_function): Add missing return.
11959 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11960 gthr-posix95.h: Use macro-based approach for name redirection
11961 on targets missing weakref.
11963 2006-01-26 Zack Weinberg <zackw@panix.com>
11965 * genconditions.c (write_header): In generated code, #ifdef out
11966 all includes and fake declarations, except includes of bconfig.h
11967 and system.h, unless GCC_VERSION >= 3001. Do not include
11968 gensupport.h in any case.
11969 (write_conditions): Generate a definition of struct c_test. Add
11970 a comment to the generated #endif.
11971 (write_one_condition): Escape backslashes in string too.
11972 (write_writer): Generated code must escape backslashes and quote
11973 marks (but not newlines) in the strings it writes.
11974 * Makefile.in (build/gencondmd.o): Update dependencies.
11976 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11979 * Makefile.in (insn-automata.o): Add header file dependencies.
11980 * genautomata.c: Add includes.
11982 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11985 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11987 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11989 * configure.ac: Expect target tools paths to be passed from the toplevel
11990 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11992 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11994 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11997 * c.opt (Wpointer-sign): Init to -1.
11998 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11999 OPT_pedantic, to 0 otherwise.
12000 * doc/invoke.texi: Update.
12002 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12004 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12005 constants provided by 80387 instructions in the destination mode.
12007 2006-01-26 Richard Guenther <rguenther@suse.de>
12008 Andrew Pinski <pinskia@physics.uc.edu>
12011 partial PR tree-opt/17064
12012 * tree-ssa-structalias.c (intra_create_variable_infos):
12013 Create heap variables for incoming parameters if
12014 flag_argument_noalias > 1.
12015 (find_what_p_points_to): Look through default defs of
12018 2006-01-26 Jeff Law <law@redhat.com>
12021 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12022 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12023 within the VR_RANGE, use the VR_RANGE as the result, not the
12025 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12026 bounds for the type.
12028 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12030 * tree-ssa-alias.c (maybe_create_global_var): Change
12031 subvar walking to an assertion that we don't have subvar'd variables.
12033 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12036 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12037 Use a new variable, inner. PARM_DECLs are always non-weak.
12039 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12041 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12042 --disable-checking.
12044 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12046 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12048 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12050 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12051 (smax_insn, smin_insn, smax_0, smin_0): New.
12053 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12056 * config/cris/cris.c (cris_order_for_addsi3): New function.
12057 * config/cris/cris-protos.h: Prototype it.
12058 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12059 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12060 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12061 (split for "op.S1 [rx=rx+i],ry (swapped)")
12062 (split for "op(s|u).S1 [rx=rx+i],ry")
12063 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12064 Apply cris_order_for_addsi3 when generating addsi3 insns.
12066 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12068 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12069 (TREE_BLOCK): Add call to EXPR_CHECK.
12071 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12074 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12075 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12076 (dump_omp_clauses): ... here.
12077 (dump_generic_node): Handle OMP_CLAUSE.
12078 * tree.c (omp_clause_num_ops): New.
12079 (omp_clause_code_name): New.
12080 (tree_code_size): Handle OMP_CLAUSE.
12081 (tree_size): Likewise.
12082 (make_node): Document handling of OMP_CLAUSE.
12083 (tree_node_structure): Handle OMP_CLAUSE.
12084 (omp_clause_check_failed): New.
12085 (omp_clause_range_check_failed): New.
12086 (omp_clause_operand_check_failed): New.
12087 (build_omp_clause): New.
12088 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12089 * tree.h (enum omp_clause_code): Declare.
12090 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12091 (OMP_CLAUSE_RANGE_CHECK): Define.
12092 (OMP_CLAUSE_ELT_CHECK): Define.
12093 (omp_clause_check_failed): Declare.
12094 (omp_clause_operand_check_failed): Declare.
12095 (omp_clause_range_check_failed): Declare.
12096 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12097 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12098 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12099 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12100 (OMP_CLAUSE_IF_EXPR): Likewise.
12101 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12102 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12103 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12104 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12105 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12106 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12107 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12108 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12109 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12110 (OMP_CLAUSE_CODE): Define.
12111 (OMP_CLAUSE_SET_CODE): Define.
12112 (OMP_CLAUSE_CODE): Define.
12113 (OMP_CLAUSE_OPERAND): Define.
12114 (struct tree_omp_clause): Declare.
12115 (union tree_node): Add field 'omp_clause'.
12116 * treestruct.def (TS_OMP_CLAUSE): Define.
12117 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12118 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12119 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12120 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12121 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12122 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12123 (OMP_CLAUSE): Define.
12124 * print-tree.c (print_node): Handle OMP_CLAUSE.
12125 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12126 * c-typeck.c: Likewise.
12127 * gimplify.c: Likewise.
12128 * c-omp.c: Likewise.
12129 * tree-nested.c: Likewise.
12130 * tree-inline.c: Likewise.
12131 * c-parser.c: Likewise.
12132 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12135 2006-01-25 Roger Sayle <roger@eyesopen.com>
12137 PR rtl-optimization/25703
12138 * combine.c (try_combine): Handle zero_extract and strict_low_part
12139 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12141 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12143 * global.c: Fix comment typos.
12145 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12148 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12149 Use output_addr_const instead of assemble_name.
12151 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12153 * Makefile.in (sched-vis.o): Update dependencies.
12154 * haifa-sched.c (sched_finish): Clear current_sched_info.
12155 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12156 (dump_flow_info): Call it.
12157 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12159 * basic-block.h (dump_bb_info): Declare.
12160 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12161 option, and apply options only for dump files whose TDF_RTL,
12162 TDF_TREE, or TDF_IPA bits match.
12163 * rtl.h: Declare new functions exported from sched-vis.c.
12164 * sched-vis.c: Enable also if scheduling is not used.
12165 (print_value): Print the mode of registers if not inside scheduling.
12166 (print_insn): Make it work outside the scheduler. Beautify the output
12168 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12170 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12172 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12173 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12174 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12175 depending on the value of CONSTANT_POOL_ADDRESS_P.
12176 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12178 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12179 rather than SYMBOL_REF_DECL.
12180 (rtx_constant_pool): Remove const_rtx_sym_htab.
12181 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12182 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12183 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12184 Remove handling of const_rtx_sym_htab.
12185 (find_pool_constant): Delete.
12186 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12187 rather than find_pool_constant.
12188 (get_pool_constant_for_function): Delete.
12189 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12190 find_pool_constant.
12191 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12192 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12193 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12194 (SYMBOL_REF_CONSTANT): New macro.
12195 (get_pool_constant_for_function): Delete.
12196 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12197 rather than SYMBOL_REF_DECL.
12198 (i386_pe_mark_dllimport): Likewise.
12199 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12200 rather than SYMBOL_REF_DECL.
12201 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12202 (machopic_indirect_call_target): Likewise.
12204 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12206 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12208 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12210 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12212 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12214 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12216 2006-01-24 David Daney <ddaney@avtrex.com>
12219 * configure.ac (enable_tls): New enable option.
12220 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12221 * configure: Regenerate.
12222 * doc/install.texi (--enable-tls): Document new option.
12223 (--disable-tls): Ditto.
12225 2006-01-24 Richard Henderson <rth@redehat.com>
12227 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12228 * alias.c (true_dependence): Respect it.
12229 (canon_true_dependence, write_dependence_p): Likewise.
12230 * builtins.c (get_builtin_sync_mem): Set it.
12232 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12234 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12237 2006-01-24 DJ Delorie <dj@redhat.com>
12239 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12240 for storing constants in single-bit bitfields.
12242 2006-01-25 Ben Elliston <bje@au.ibm.com>
12244 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12246 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12249 * tree-ssa-pre.c (phi_translate): Return NULL
12250 for AGGREGATE_TYPE's.
12252 2006-01-24 Zack Weinberg <zackw@panix.com>
12254 * genautomata.c (process_state_for_insn_equiv_partition):
12255 Use xcalloc for insn_arcs_array.
12256 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12257 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12259 2006-01-24 Richard Henderson <rth@redhat.com>
12261 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12262 update all callers.
12264 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12266 PR rtl-optimization/25890
12267 PR rtl-optimization/25905
12268 * combine.c (expand_compound_operation, expand_field_assignment):
12269 Fail if the bitfield's final position is out of bounds.
12271 2006-01-24 Ian Lance Taylor <ian@airs.com>
12273 PR middle-end/25930
12274 * cgraphunit.c (cgraph_output_in_order): Don't clear
12275 cgraph_asm_nodes until after asm strings have been output.
12277 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12279 * fix-header.c (read_scan_file): Add new parameter imultilib when
12280 calling register_include_chains.
12282 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12284 * omp-low.c: Update documentation.
12286 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12287 Daniel Berlin <dberlin@dberlin.org>
12291 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12292 return from the function.
12294 2006-01-22 Zack Weinberg <zackw@panix.com>
12296 * rtl.def (match_code): Add second argument.
12297 * genpreds.c (write_extract_subexp): New function.
12298 (write_match_code): Add path argument. Use write_extract_subexp.
12299 (write_predicate_expr): Pass path to write_match_code.
12300 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12301 not perform a mode test.
12302 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12303 a subexpression does not constrain the top-level code set.
12304 * read-rtl.c (read_rtx_variadic): New function.
12305 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12306 * doc/md.texi: Document new notation.
12307 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12308 (cmpsi_operand): ... here, using new notation.
12310 2006-01-22 Zack Weinberg <zackw@panix.com>
12312 * varray.c: Remove GENERATOR_FILE #ifdefs.
12314 2006-01-22 Zack Weinberg <zackw@panix.com>
12316 * genautomata.c (output_reserved_units_table): Emit nothing if
12317 description->query_units_num is zero. Remove extra blank line.
12318 (output_cpu_unit_reservation_p): Short circuit
12319 if description->query_units_num is zero.
12321 2006-01-22 Zack Weinberg <zackw@panix.com>
12323 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12324 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12325 nor any of the random handful of variables that used to be necessary
12326 when this program was linked with rtlanal.o. Prune set of forward
12327 function declarations.
12328 (struct attr_desc): Remove static_p field.
12329 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12330 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12331 (attr_string): Do not read the character one past the length of
12333 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12334 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12335 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12336 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12337 (make_automaton_attrs): New.
12338 (main): Do not call into genautomata. Call local gen_bypass
12339 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12340 Remove special case for insn_alts.
12341 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12342 varray.h (leftover from previous change). Prune set of forward
12343 function declarations. Remove state_alts fields from all
12344 structures. Remove state_alts_table from struct automaton.
12345 Make everything except main static. Do not maintain num_dfa_decls.
12346 Do not maintain state_alts fields of various structures.
12347 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12348 (add_arc): Remove state_alts argument. All callers updated.
12349 (output_reserved_units_table): Emit #ifdef here...
12350 (output_tables): ...not here. Don't generate state_alts tables.
12351 (expand_automata): Don't generate attributes.
12352 (write_automata): Don't generate state_alts functions.
12353 (main): New function.
12354 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12355 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12356 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12357 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12358 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12359 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12360 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12361 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12363 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12364 * genattrtab.h: Delete file.
12365 * Makefile.in (OBJS-common): Add insn-automata.o.
12366 (insn-automata.o): New rule.
12367 (simple_generated_c): Add insn-automata.c.
12368 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12369 (genprogmd): Add automata.
12370 (build/genattrtab): Needs no extra objects nor libraries.
12371 (build/genautomata): Needs build/vec.o and -lm.
12373 2006-01-22 Zack Weinberg <zackw@panix.com>
12375 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12376 (output_dfa_max_issue_rate, locked_states_num): Delete.
12377 (struct automaton): Add locked_states field.
12378 (output_dead_lock_vect): Save number of locked states in
12379 automaton->locked_states. If it is zero, don't print anything.
12380 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12381 (output_internal_dead_lock_func): Only test the dead_lock_vect
12382 for automata that have locked states.
12383 (output_statistics): Always print the number of locked states for
12384 each automaton. Calculate total number of locked states here.
12385 (write_automata): Don't call output_dfa_max_issue_rate.
12386 * genattrtab.c: Define length_unit_log as a const variable.
12387 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12388 max_insn_queue_index const.
12389 * final.c (length_unit_log): Declare const.
12390 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12392 2006-01-22 Zack Weinberg <zackw@panix.com>
12394 * genautomata.c: Include vec.h, not varray.h.
12395 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12396 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12397 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12398 VEC_* macros operating on appropriately typed vectors, or to
12399 malloced arrays when the size is known in advance. Const-ify
12400 many char* variables and function arguments. No functional changes.
12401 * Makefile.in (build/varray.o): Delete rule.
12402 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12403 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12405 2006-01-22 Zack Weinberg <zackw@panix.com>
12407 * gensupport.c: Define get_insn_name and record_insn_name here.
12408 (read_md_rtx): Call record_insn_name as appropriate.
12409 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12410 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12411 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12413 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12414 (BUILD_VARRAY): Delete.
12415 (genprognormal): Rename genprogmd. Fold in all programs from
12416 genprognoprint; also attrtab.
12417 (build/genattrtab): Just mention genautomata.o and varray.o.
12418 Reorganize a bit, add comments to make the categories clearer.
12420 2006-01-22 Zack Weinberg <zackw@panix.com>
12422 * genconditions.c (condition_table, add_condition): Delete.
12423 (write_conditions): Don't emit n_insn_conditions nor
12424 insn_elision_unavailable. Issue the gcc version #ifdef here,
12425 inside the table, with no #else clause ...
12426 (write_header): ...not here.
12427 (write_writer): New function.
12428 (main): Don't initialize condition_table. Use add_c_test.
12430 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12431 files on the command line.
12432 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12433 Return -1 if there is no entry in the table, don't abort.
12434 (add_c_test, traverse_c_tests): New functions.
12435 * gensupport.h (insn_elision_unavailable, insn_conditions)
12436 (n_insn_conditions): Delete declarations.
12437 (add_c_test, traverse_c_tests): Declare.
12438 * read-rtl.c: Include gensupport.h.
12439 (read_conditions): New function.
12440 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12441 (read_rtx_1): If we get EOF when we were looking for an initial
12442 open paren, return 0. Call read_conditions when appropriate.
12443 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12444 dummy-conditions.o. Eliminate references to insn-conditions.o,
12445 or change them to build/gencondmd.o, as appropriate. Remove
12446 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12447 from $(simple_generated_c). For all files remaining in those
12448 two lists, add insn-conditions.md to the generator command line.
12449 Give insn-constants.h/s-constants their own rules. Add rules
12450 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12451 (build/read-rtl.o): Depend on gensupport.h.
12452 (genprognormal): Include preds.
12453 (genprogearly): Rename genprognoprint; only difference is now that
12454 they don't link with $(BUILD_PRINT).
12455 * dummy-conditions.c: Delete.
12457 2006-01-22 Zack Weinberg <zackw@panix.com>
12459 * genextract.c: Don't include insn-config.h. Do include vec.h.
12460 Declare vectors of int, char, and locstr.
12461 (locstr): New typedef.
12462 (struct extraction): Make all array fields into bare pointers.
12463 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12464 (insn_code_number): Delete.
12465 (accum_extract): New struct.
12466 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12467 (gen_insn): Take insn_code_number as an argument. Use an
12468 accum_extract structure instead of loading data directly into
12469 a struct extraction, and having to know how big it might get.
12470 (walk_rtx): Operate entirely on an accum_extract structure.
12471 (print_path): Avoid unnecessary use of printf.
12472 (print_header): New function, split out of main. Distinguish
12473 more carefully between an unrecognizable insn and an insn that
12474 has the code number of a define_expand.
12475 (main): Pass insn_code_number to gen_insn. Call print_header
12476 only after parsing. Avoid unnecessary use of printf.
12477 * Makefile.in (build/vec.o): New rule.
12478 (build/genextract): Depend on build/vec.o.
12479 (build/genextract.o): Don't depend on insn-config.h.
12481 2006-01-22 Zack Weinberg <zackw@panix.com>
12483 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12484 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12485 practical. Eliminate per-generator-program link rules.
12487 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12489 PR middle-end/24437
12490 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12491 with a call expr to ...
12492 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12494 2006-01-23 Richard Guenther <rguenther@suse.de>
12496 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12497 before make_edge with conditional EDGE_TRUE_VALUE.
12499 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12500 Jan Hubicka <jh@suse.cz>
12501 Richard Guenther <rguenther@suse.de>
12503 PR rtl-optimization/25654
12504 * cfgexpand.c (aggregate_contains_union_type): New function.
12505 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12506 for structure variables that contain a union type.
12508 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12510 * gengtype.c (new_structure): Return the structure.
12511 (create_option): Add an extra "next" argument.
12512 (create_field): New function.
12513 (adjust_field_rtx_def): Use create_option and create_field.
12514 Remove a now-unnecessary call to find_structure.
12515 (adjust_field_tree_def): Likewise.
12516 (note_yacc_type): Remove an unnecessary call to find_structure.
12517 * gengtype.h (new_structure): Return the structure.
12518 (create_option): Add an extra argument.
12519 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12520 (option): Adjust calls to create_option.
12522 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12524 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12526 2006-01-22 Paul Brook <paul@codesourcery.com>
12527 Peter Barada <peter@the-baradas.com>
12529 * config/m68k/m68k.md: Add Coldfire FPU support.
12530 Define FP mode macro and associated attributes.
12531 Use it for float mode patterns.
12532 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12533 (LIBCALL_VALUE): Use m68k_libcall_value.
12534 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12535 (m68k_function_value): Ditto.
12536 (emit_move_sequence): Ditto.
12537 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12538 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12539 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12540 (MULTILIB_EXCEPTIONS): Ditto.
12541 * config/m68k/m68k.opt: Add mcfv4e.
12542 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12543 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12544 (m68k_output_function_prologue): Save ColdFire FPU registers.
12545 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12546 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12547 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12548 ColdFire FPU registers.
12549 (m68k_libcall_value, m68k_function_value): New functions.
12550 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12551 (LIBCALL_VALUE): Use m68k_libcall_value.
12552 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12553 (MASK_COLDFIRE): Add MASK_CFV4E.
12554 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12555 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12556 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12557 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12558 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12559 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12560 * doc/invoke.tex: Document -mcfv4e on m68k.
12562 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12564 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12567 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12570 * c-opts.c (c_common_handle_option): Don't include
12571 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12572 * doc/invoke.texi (C++ Dialect Options): Document that
12573 -Wnon-virtual-dtor is no longer included in -Wall.
12575 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12577 * gcov.c (print_version), gcov-dump.c (print_version),
12578 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12581 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12583 * df-scan.c (problem_SCAN): Added NULL reset function.
12584 (df_scan_reset_blocks): Added code to call reset block function
12585 (df_bb_refs_delete) Fixed comment.
12586 (df_insn_refs_delete): Made tolerant of deleting non existent info
12587 for dataflow problems that need to be reset.
12588 * df-core.c (df_set_blocks): Ditto.
12589 * df.h (struct df_problem): Added reset_fun.
12590 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12591 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12592 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12593 functions to clear out all references to def-use or use-def chains.
12595 2006-01-21 Ben Elliston <bje@au.ibm.com>
12597 * varasm.c (assemble_real): Initialise data array.
12599 2006-01-20 Paul Brook <paul@codesourcery.com>
12601 Merge from csl-arm-branch.
12602 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12603 * config/arm/arm.md (movdi): Force operands[1] to a register
12604 if we have a non-register source.
12605 (*arm_movdi, *movdf_soft_insn): Require that one of the
12606 operands be a register.
12607 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12608 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12610 2006-01-20 DJ Delorie <dj@redhat.com>
12612 * varasm.c (initializer_constant_valid_p): Allow pointers
12613 initialized from integer constants of lesser precision.
12614 (output_constant): Allow non-int-sized pointer modes to be
12615 initialized from integer constants.
12617 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12620 * cppdefault.h (struct default_include): Add multilib flag.
12621 * cppdefault.c (cpp_include_defaults): Set it.
12622 * c.opt (-imultilib): New option.
12623 * c-opts.c (imultilib): New.
12624 (c_common_handle_option): Handle -imultilib.
12625 (c_common_post_options): Likewise.
12626 * c-incpath.c (add_standard_paths, register_include_chains):
12628 * c-incpath.h (register_include_chains): Add extra parameter.
12629 * gcc.c (do_spec_1): Generate -imultilib option.
12630 (The Specs Language): Update %I description.
12631 (process_command): Update copyright notice.
12632 * doc/cppopts.texi (-imultilib): Document.
12633 * doc/invoke.texi (-imultilib): Include in option summary.
12634 (%I): Update specs documentation.
12636 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12638 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12640 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12642 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12645 2006-01-20 Richard Guenther <rguenther@suse.de>
12646 Steven Bosscher <stevenb.gcc@gmail.com>
12648 PR rtl-optimization/24626
12649 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12650 EDGE_TRUE_VALUE if in RTL mode.
12653 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12654 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12656 2006-01-20 Dirk Mueller <dmueller@suse.com>
12659 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12660 instead of a special NOP marker.
12661 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12662 NOP marker handling.
12663 * c-common.h (empty_body_warning): Add forward declaration.
12664 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12665 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12667 2006-01-20 Paul Brook <paul@codesourcery.com>
12669 * Makefile.in (lang_checks): Keep going if mkdir fails.
12671 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12673 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12674 be able to clean out basic block when not necessary.
12675 (df_scan_free): Fixed to properly delete information if df is
12676 unused before calling df_finish.
12677 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12678 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12680 (df_bb_refs_delete): New function.
12681 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12682 * df-core.c (df_set_blocks): Added code to properly clean out
12683 unused blocks if they are not part of the blocks to consider.
12684 Added additional null check.
12685 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12686 be able to clean out basic block when not necessary
12687 * df.h (df_free_bb_function): Ditto.
12688 (df_bb_refs_delete): New function.
12689 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12690 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12691 basic block parameter to be able to clean out basic block when not
12693 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12694 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12695 Fixed to properly delete information if df is unused before
12698 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12700 PR rtl-optimization/25799
12701 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12702 Corrected confluence operator to remove bits from op2 before oring
12703 with op1 rather than removing bits from op1.
12704 (df_ru_transfer_function): Corrected test on wrong bitmap which
12705 caused infinite loop. Both of these problems were introduced in
12706 the dataflow rewrite.
12708 2006-01-19 DJ Delorie <dj@redhat.com>
12710 * reload1.c (find_reload_regs): Note the details of reload
12711 failures in the dump file.
12712 (spill_failure): Likewise.
12714 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12716 * loop-iv.c: Include df.h and hashtab.h.
12717 (enum iv_grd_result): New enum.
12718 (DF_REF_IV, DF_REF_IV_SET): New macros.
12719 (struct biv_entry): New.
12720 (df, bivs): New global variables.
12721 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12722 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12724 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12725 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12726 analyzed_for_bivness_p, record_biv): New functions.
12727 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12728 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12729 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12731 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12733 (iv_number_of_iterations): Use new interface to iv analysis.
12734 * loop-unroll.c: Do not include varray.h.
12735 (analyze_iv_to_split_insn): Use new interface to iv
12737 * loop-unswitch.c (may_unswitch_on): Ditto.
12738 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12740 (df_bb_modify): Realloc tables to the new index.
12741 (df_find_use): New function.
12742 * df.h (df_find_use): Declare.
12743 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12745 * cfgloop.h (struct rtx_iv): Remove analysed field.
12746 (iv_get_reaching_def): Removed.
12747 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12748 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12749 (loop-iv.o): Add df.h and hashtab.h dependency.
12750 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12752 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12755 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12757 (__floatundisf, __floatundidf): Likewise.
12758 * libgcc2.h (IS_IBM_EXTENDED): Define.
12760 2006-01-19 DJ Delorie <dj@redhat.com>
12762 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12764 2006-01-19 Paul Brook <paul@codesourcery.com>
12766 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12767 as nothrow when unwinding tables are disabled.
12769 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12772 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12773 of bit-field" when in system header.
12775 2006-01-19 DJ Delorie <dj@redhat.com>
12777 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12778 the 16 bit shift limit of the m16c.
12780 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12783 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12784 * config/i386/i386.c (output_set_got): Output the label if we have one
12785 for the TARGET_DEEP_BRANCH_PREDICTION case.
12787 2006-01-19 Jan Hubicka <jh@suse.cz>
12788 H.J. Lu <hongjiu.lu@intel.com>
12789 Evandro Menezes <evandro.menezes@amd.com>
12791 * invoke.texi (generic): Document
12793 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12794 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12795 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12796 (x86_use_incdec, x86_pad_returns): New variables
12797 (TARGET_CPU_DEFAULT_generic): New constant
12798 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12799 (enum processor_type): Add generic32 and generic64.
12800 * i386.md (cpu attribute): Add generic32/generic64
12801 (movhi splitter): Behave sanely when both partial_reg_dependency and
12802 partial_reg_stall are set.
12803 (K8 splitters): Enable for generic as well.
12804 * predicates.md (incdec_operand): Use TARGET_INCDEC
12805 (aligned_operand): Avoid memory mismatch stalls.
12806 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12807 * ppro.md: Enable for generic32
12808 * i386.c (generic64_cost, generic32_cost): New.
12809 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12810 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12811 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12812 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12813 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12814 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12815 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12816 x86_accumulate_outgoing_args, x86_prologue_using_move,
12817 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12818 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12819 Enable for generic.
12820 (x86_use_incdec, x86_pad_returns): New.
12821 (override_options): Add generic32 and generic64, translate "generic"
12822 to generic32/generic64 and "i686" to "generic32", refuse
12823 "generic32"/"generic64" as arch target.
12824 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12825 (ix86_reorg): Honor PAD_RETURNS.
12827 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12829 * tree-pretty-print.c (dump_generic_node): Handle
12830 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12831 * cgraph.c (cgraph_expand_queue): Rename from
12832 cgraph_analyze_queue. Update all users.
12833 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12834 cgraph_expand_queue.
12835 (cgraph_expand_all_functions): Likewise.
12836 (cgraph_finalize_pending_functions): Remove. Update callers.
12838 * tree.h (OMP_DIRECTIVE_P): Define.
12839 (OMP_PARALLEL_FN): Define.
12840 (OMP_PARALLEL_DATA_ARG): Define.
12841 (OMP_SECTIONS_SECTIONS): Define.
12842 * tree-pass.h (pass_expand_omp): Declare.
12843 * omp-low.c (struct omp_region): Declare.
12844 (struct omp_context): Remove fields 'parallel_type',
12845 'parallel_start_ix' and 'parallel_start_additional_args'.
12847 (struct omp_for_data): Rename from struct expand_omp_for_data.
12848 (omp_regions): New static variable.
12849 (root_omp_region): New static variable.
12850 (find_omp_clause): Make static.
12851 (is_in_combined_parallel_ctx): Remove.
12852 (is_combined_parallel): New.
12853 (extract_omp_for_data): Move earlier in the file.
12854 (workshare_safe_to_combine_p): New.
12855 (get_ws_args_for): New.
12856 (determine_parallel_type): Move earlier in the file.
12857 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12859 (omp_copy_decl): Likewise.
12860 (create_omp_child_function): Likewise.
12861 (lookup_omp_region): New.
12862 (dump_omp_region): New.
12863 (debug_omp_region): New.
12864 (debug_all_omp_regions): New.
12865 (new_omp_region): New.
12866 (scan_omp_parallel): If parallel_nesting_level > 1, the
12867 directive is nested within another parallel directive.
12868 Set OMP_PARALLEL_FN.
12869 (scan_omp_for): Do not try to handle combined parallel+for
12871 Remove FIXME comment.
12872 (scan_omp_nested): Remove.
12873 (scan_omp_1): Do not call scan_omp_nested when
12874 parallel_nesting_level is > 1.
12875 Do not change the DECL_CONTEXT of local variables found.
12876 (lookup_decl_in_outer_ctx): New.
12877 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12878 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12879 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12880 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12881 If CTX is nested, lookup VAR in the outer context when
12882 building copy assignment.
12883 (lower_send_clauses): Rename from expand_send_clauses.
12884 If CTX is nested, lookup VAR in the outer context when
12885 building copy assignments.
12886 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12887 If CTX is nested, lookup VAR in the outer context when
12888 building copy assignments.
12889 (expand_parallel_call): Rename from build_parallel_call.
12890 Handle combined parallel+workshare cases.
12891 Re-implement to emit code into the CFG.
12893 (expand_omp_parallel): Re-implement to emit code into the CFG.
12894 Call move_sese_region_to_fn to outline the sub-graph
12895 containing the parallel region.
12896 (expand_omp_for_1): Remove.
12897 (expand_omp_for_generic): Re-implement to emit code into the
12899 (expand_omp_for_static_nochunk): Likewise.
12900 (expand_omp_for_static_chunk): Likewise.
12901 (expand_omp_for): Likewise.
12902 (expand_omp_sections): Likewise.
12903 (remove_exit_barriers): New.
12904 (expand_omp_synch): New.
12906 (build_omp_regions_1): New.
12907 (build_omp_regions): New.
12908 (execute_expand_omp): New.
12909 (gate_expand_omp): New.
12910 (pass_expand_omp): Define.
12911 (lower_omp_sections): Rename from expand_omp_sections.
12912 Set OMP_SECTIONS_SECTIONS.
12913 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12914 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12915 (lower_omp_single): Rename from expand_omp_simple.
12916 (lower_omp_master): Rename from expand_omp_master.
12917 (lower_omp_ordered): Rename from expand_omp_ordered.
12918 (lower_omp_critical): Rename from expand_omp_critical.
12919 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12920 (lower_omp_for): Re-implement.
12921 (lower_omp_parallel): Re-implement.
12922 (lower_regimplify): Rename from expand_regimplify.
12923 (lower_omp_1): Rename from expand_omp_1.
12924 If there are syntax errors in the program, replace every
12925 OpenMP directive with NOP.
12926 Call lower_omp_* instead of expand_omp_*.
12927 (lower_omp): Rename from expand_omp.
12929 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12930 * tree-gimple.h (enum omp_parallel_type): Remove.
12931 (gimple_boolify): Declare extern.
12932 (find_omp_clause, determine_parallel_type): Remove.
12934 * gimple-low.c (lower_omp_directive): New.
12935 (lower_stmt): Call it.
12936 (record_vars_into): Move from ...
12937 (record_vars): ... here.
12938 Call record_vars_into with current_function_decl.
12940 * gimplify.c (struct gimplify_ctx): Remove fields
12941 combined_pre_p and combined_ctxp. Update users.
12942 (get_formal_tmp_var): Add documentation.
12943 (gimple_boolify): Make extern.
12944 (gimplify_expr_in_ctx): Remove. Update callers.
12945 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12946 will always be a BIND_EXPR.
12947 (gimplify_expr): Handle OMP_RETURN_EXPR.
12948 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12949 (OMP_PARALLEL): Add 3 operands.
12950 (OMP_SECTIONS): Add 1 operand.
12951 (OMP_RETURN_EXPR): Define.
12953 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12954 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12955 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12956 creating a circular free list.
12957 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12959 * tree-flow.h (move_sese_region_to_fn): Declare.
12960 (record_vars_into): Declare.
12961 * tree-cfg.c (make_omp_sections_edges): New.
12962 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12963 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12964 OMP_SECTIONS and OMP_SECTION.
12965 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12966 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12967 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12968 (gather_blocks_in_sese_region): New.
12969 (struct move_stmt_d): Declare.
12970 (move_stmt_r): New.
12971 (move_block_to_fn): New.
12972 (move_sese_region_to_fn): New.
12974 * passes.c (init_optimization_passes): Schedule
12975 pass_expand_omp after pass_init_datastructures.
12977 * tree-ssa-operands.c (get_expr_operands): Handle
12978 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12979 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12981 2006-01-19 Jeff Law <law@redhat.com>
12983 * tree-vrp.c (extract_range_from_assert): Refine the result range
12984 if the variable referenced by the ASSERT_EXPR has a range and
12985 either the tentative result range or the previous range is a
12988 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12990 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12992 2006-01-19 Jan Hubicka <jh@suse.cz>
12994 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12996 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12998 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12999 (expand_compound_operation, expand_field_assignment): Fail if the
13000 bit lengths of an extract operation are out of range.
13001 (make_extraction): Compute wanted_inner_mode based on the position
13002 and length of the extraction. Make it extraction_mode for non-constant
13003 positions, and do not modify offset in that case. When generating a
13004 new MEM, use a mode that can hold the extraction while keeping correct
13005 alignment. Remove code that supported MEMs wrapped by USEs.
13006 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13008 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13010 * config/s390/s390.md ("Y", "y"): New mode attribute.
13011 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13012 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13013 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13014 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13015 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13016 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13017 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13018 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13019 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13020 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13021 "addsi3", "subsi3"): Insn patterns removed.
13022 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13023 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13024 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13025 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13026 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13027 "*sub<mode>3_cconly2"): New insn patterns.
13028 ("addsi3", "subsi3"): New expanders.
13030 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13032 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13033 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13034 existing STMT_VINFO_VECTYPE if available.
13035 (vect_mark_relevant): Add special handling for stmts that are
13036 marked as STMT_VINFO_IN_PATTERN_P.
13037 (vect_analyze_loop): Call vect_pattern_recog.
13038 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13039 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13041 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13042 (vect_recog_func_ptr): New function-pointer type.
13043 * tree-vect-patterns.c: New file.
13044 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13045 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13046 (vect_pattern_recog_1): New functions.
13047 (vect_pattern_recog_funcs): New array of function pointers.
13049 * tree-vectorizer.h (ternary_op): New enum value.
13050 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13051 declaration. Revised documentation. Removed redundant dump prints.
13052 Removed redundant argument. Added support for reduction patterns.
13053 (vectorizable_reduction): Added support for reduction patterns.
13054 (vect_transform_stmt): Added support for patterns.
13056 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13057 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13058 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13059 (expand_widen_pattern_expr): New function.
13060 (init_optabs): Initialize new optabs udot_prod_optab,
13062 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13063 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13064 (expand_widen_pattern_expr): New function declaration.
13065 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13067 * tree-inline.c (estimate_num_insns_1): Added cases for new
13068 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13069 * tree-pretty-print.c (dump_generic_node): Likewise.
13070 (op_prio): Likewise.
13071 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13072 * tree-ssa-operands.c (get_expr_operands): Added case for
13074 * tree-vect-patterns.c (widened_name_p): New function.
13075 (vect_recog_dot_prod_pattern): Added function implementation.
13076 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13077 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13078 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13079 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13081 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13082 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13083 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13084 (init_optabs): Initialize new optabs widen_ssum_optab,
13086 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13087 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13088 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13089 use instead of type of def.
13090 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13091 function implementation.
13092 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13093 widen_ssumv8hi): New.
13095 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13098 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13101 * c-decl.c (add_flexible_array_elts_to_size): New function.
13102 (finish_decl): Use it.
13104 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13106 * diagnostic.h: Include options.h.
13107 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13108 dependancies for diagnostic.h.
13109 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13111 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13113 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13114 (ssa_ro_call_cache_valid): Ditto.
13115 * tree-ssa-alias.c (sort_tags_by_id): New function.
13116 (init_transitive_clobber_worklist): Ditto.
13117 (add_to_worklist): Ditto.
13118 (mark_aliases_call_clobbered): Ditto.
13119 (compute_tag_properties): Ditto.
13120 (set_initial_properties): Ditto.
13121 (compute_call_clobbered): Ditto.
13122 (compute_may_aliases): Call compute_call_clobbered and grouping.
13123 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13124 (compute_flow_insensitive_aliasing): Grouping now happens in our
13126 (setup_pointers_and_addressables): Remove clobbering related code.
13127 (add_may_alias): Ditto.
13128 (replace_may_alias): Ditto.
13129 (get_nmt_for): Ditto.
13130 (create_global_var):
13131 (is_escape_site): Return an escape_type enumeration.
13132 * tree-flow-inline.h (is_call_clobbered): Global var does not
13133 imply call clobbered.
13134 (mark_call_clobbered): Take a reason for marking this. Remove
13135 marking of globalness, and cache invalidation.
13136 (clear_call_clobbered): Remove cache invalidation code.
13137 * tree-dfa.c (dump_variable): If details is on, dump the reason
13139 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13141 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13142 (struct var_ann_d): Ditto.
13143 (enum escape_type): New.
13144 (mark_call_clobbered): Adjust prototype.
13145 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13146 are never call clobbered.
13147 Record reasons for escaping.
13148 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13149 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13150 (ssa_ro_call_cache_valid): Ditto.
13151 (clobbered_v_may_defs): Ditto.
13152 (clobbered_vuses): Ditto.
13153 (ro_call_vuses): Ditto.
13154 (clobber_stats): New.
13155 (init_ssa_operands): Zero out clobber stats.
13156 (fini_ssa_operands): Print out clobber stats.
13157 (get_call_expr_operands): Pass callee fndecl to
13158 add_call_read_ops).
13159 (add_call_clobber_ops): Remove use of cache.
13160 Add use of PURE_CONST information.
13161 (add_call_read_ops): Remove use of cache.
13162 Add use of static not_read information.
13164 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13166 Introduce TLS descriptors for i386 and x86_64.
13167 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13168 (TARGET_ANY_GNU_TLS): New macro.
13169 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13170 (struct machine_function): Add tls_descriptor_call_expanded_p.
13171 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13172 (ix86_current_function_calls_tls_descriptor): Likewise.
13173 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13174 (override_options): Introduce gnu2 tls dialect.
13175 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13177 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13179 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13180 (ix86_init_machine_status): Initialize new field.
13181 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13182 (ix86_tls_module_base): New.
13183 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13184 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13185 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13186 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13187 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13188 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13189 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13190 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13191 * config/i386/predicates.md (tls_modbase_operand): New.
13192 (tp_or_register_operand): New.
13194 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13196 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13197 (look_for_address_of): Ditto.
13198 (ipa_init): Walk the function decls.
13199 (static_execute): Don't set readonly on FUNCTION_DECL's.
13201 2006-01-18 Roger Sayle <roger@eyesopen.com>
13203 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13204 for shifts where the source and destination registers are different.
13206 2006-01-18 Paul Brook <paul@codesourcery.com>
13208 Merge from csl-arm-branch.
13209 2005-03-14 Julian Brown <julian@codesourcery.com>
13210 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13211 (aeabi_llsl): Likewise.
13212 (ashrdi3): Likewise.
13213 (aeabi_lasr): Likewise.
13214 (lshrdi3): Likewise.
13215 (aeabi_llsr): Likewise.
13216 2005-03-10 Julian Brown <julian@codesourcery.com>
13217 * config.gcc: Disable shared libgcc for SymbianOS.
13218 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13220 2006-01-18 DJ Delorie <dj@redhat.com>
13222 * c-pragma.c (handle_pragma_diagnostic): New.
13223 (init_pragma): Register it.
13224 * doc/extend.texi: Document it.
13226 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13227 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13228 (diagnostic_context): Add classify_diagnostic[].
13229 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13230 as errors if they're overridden to DK_WARNING.
13231 (diagnostic_initialize): Initialize classify_diagnostic[].
13232 (diagnostic_set_kind_override): New.
13233 (diagnostic_report_diagnostic): Check for kind changes.
13234 * opts.c (common_handle_option): Take lang_mask. Update callers.
13235 Handle OPT_Werror_.
13236 * common.opt (Werror=): New.
13237 * doc/invoke.texi: Document -Werror=*
13239 2006-01-18 Jeff Law <law@redhat.com>
13241 * tree-vrp.c (test_for_singularity): Correct test for new
13242 min limit. Use operand_equal_p rather than pointer equality
13243 for testing if new min/max values are equal.
13245 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13246 using range information until after propagation and folding.
13248 2006-01-18 Richard Henderson <rth@redhat.com>
13249 Aldy Hernandez <aldyh@redhat.com>
13250 Jakub Jelinek <jakub@redhat.com>
13251 Diego Novillo <dnovillo@redhat.com>
13253 * omp-low.c: New file.
13254 * c-omp.c: New file.
13256 2006-01-18 Richard Henderson <rth@redhat.com>
13257 Jakub Jelinek <jakub@redhat.com>
13258 Diego Novillo <dnovillo@redhat.com>
13260 * doc/invoke.texi: Document -fopenmp.
13261 * tree-dump.h (debug_function): Declare.
13262 * hooks.c (hook_bool_tree_bool_false): New function.
13263 (hook_tree_tree_null): Remove.
13264 (hook_tree_tree_tree_null): New.
13265 * hooks.h: Update to match.
13266 * tree-pretty-print.c (debug_tree_chain): New.
13267 (print_generic_expr): Handle TDF_CHAIN.
13268 (dump_generic_node): Handle BLOCK.
13269 Do not abort with incomplete SWITCH_EXPRs.
13270 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13271 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13272 print space after directive name.
13273 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13274 Handle OMP_MASTER and OMP_ORDERED.
13275 Handle printing of OMP_BODY just in one place, goto
13276 dump_omp_body in the rest of OMP_* nodes that have
13278 Don't handle clause nodes here. Update omp statements to
13279 use dump_omp_clauses.
13280 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13281 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13282 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13283 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13284 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13285 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13286 Adjust output for GOMP_PARALLEL.
13287 (dump_omp_clauses): New.
13288 (print_declaration): Dump DECL_VALUE_EXPR.
13289 (op_symbol_1): Split out of op_symbol.
13290 (dumping_stmts): Remove. Update all users.
13291 * cgraph.c (cgraph_analyze_queue): New.
13292 (cgraph_add_new_function): New.
13293 * cgraph.h (cgraph_analyze_queue): Declare.
13294 (cgraph_add_new_function): Declare.
13295 (cgraph_lower_function): Remove.
13296 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13297 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13298 and TYPE_P nodes in its default clause.
13299 (empty_body_p): New.
13300 (tree_range_check_failed): New.
13301 (build5_stat): New.
13302 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13303 OMP_CLAUSE_REDUCTION_MERGE,
13304 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13305 OMP_CLAUSE_PRIVATE_DEBUG,
13306 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13307 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13308 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13309 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13310 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13311 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13312 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13313 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13314 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13315 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13316 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13317 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13318 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13319 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13320 (TREE_RANGE_CHECK): New.
13321 (empty_body_p): Declare.
13322 (enum omp_clause_default_kind): New.
13323 (build_string_literal): Declare.
13324 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13325 (build5_stat, build5): Declare.
13326 * tree-pass.h (TDF_CHAIN): Define.
13327 * tree-pass.h (PROP_gimple_lomp): Define.
13328 (pass_lower_omp): Declare.
13329 * diagnostic.h (debug_tree_chain): Declare.
13330 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13332 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13333 * builtins.c (build_string_literal): Make extern.
13334 * gcc.c (include_spec_function): New.
13335 (static_spec_functions): Add it.
13336 (main): Move load of libgomp.spec ...
13337 (LINK_COMMAND_SPEC): ... here.
13338 (link_gomp_spec): New.
13339 (static_specs): Include it.
13340 (LINK_COMMAND_SPEC): Add link_gomp.
13341 (GOMP_SELF_SPECS): New.
13342 (driver_self_specs): Include it.
13343 (switch_matches): Don't mark inline.
13344 (main): Load libgomp.spec.
13345 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13346 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13347 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13348 * tree-gimple.h (enum omp_parallel): Declare.
13349 (determine_parallel_type): Declare.
13350 (omp_firstprivatize_variable): Declare.
13351 (omp_reduction_init): Declare.
13352 (diagnose_omp_structured_block_errors): Declare.
13353 (struct walk_stmt_info): Add want_return_expr.
13354 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13355 (find_omp_clause): Declare.
13356 (insert_field_into_struct): Declare.
13357 (struct walk_stmt_info): Move from tree-nested.c
13358 (walk_stmts): Declare.
13359 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13361 * cgraphunit.c (cgraph_lower_function): Make static.
13362 (cgraph_finalize_pending_functions): New.
13363 (cgraph_finalize_function): Call it.
13364 (cgraph_finalize_compilation_unit): Likewise.
13365 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13366 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13367 (BT_FN_UINT_UINT): New.
13368 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13369 DEF_FUNCTION_TYPE_VAR_4): Document.
13370 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13371 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13372 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13373 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13374 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13375 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13376 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13377 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13378 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13379 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13380 into separate files.
13381 (DEF_GOMP_BUILTIN): New.
13382 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13383 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13384 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13385 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13386 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13387 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13388 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13389 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13390 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13391 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13392 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13393 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13394 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13395 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13396 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13397 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13398 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13399 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13400 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13401 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13402 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13403 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13404 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13405 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13406 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13407 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13408 * sync-builtins.def: New file, moved from builtins.def.
13409 * omp-builtins.def: New file, moved from builtins.def.
13410 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13411 * gimple-low.c (lower_function_body): Clear data.
13412 (lower_stmt): Do not handle COMPOUND_EXPR.
13413 Remove call to print_node_brief.
13414 * c-tree.h (c_finish_omp_clauses): New prototype.
13415 (C_DECL_THREADPRIVATE_P): Define.
13416 (lookup_name_no_remap, c_omp_remap_private): Remove
13417 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13418 (check_for_loop_decls): Update decl.
13419 (lookup_name_no_remap, c_omp_remap_private): Declare.
13420 (build_indirect_ref, build_modify_expr, pushdecl,
13421 pushdecl_top_level): Move to c-common.h.
13422 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13423 before the switch, but just in the 2 places that need it.
13424 * c-decl.c (diagnose_mismatched_decls): Do not check for
13425 mismatched thread-local attributes when OLDDECL is marked
13426 threadprivate and NEWDECL has no thread-local attributes.
13427 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13428 (c_gimple_diagnostics_recursively): Rename from
13429 c_warn_unused_result_recursively. Invoke
13430 diagnose_omp_structured_block_errors.
13431 (check_for_loop_decls): Return a singular decl found.
13432 * langhooks.c (lhd_omp_predetermined_sharing): Return
13433 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13434 (lhd_omp_firstprivatize_type_sizes): New.
13435 (lhd_omp_assignment): New.
13436 (lhd_omp_predetermined_sharing): New.
13437 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13438 (struct lang_hooks_for_types): Add
13439 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13440 omp_predetermined_sharing, omp_disregard_value_expr,
13441 omp_private_debug_clause, omp_clause_default_ctor,
13442 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13443 (c_finish_omp_clauses): New.
13444 (c_finish_bc_stmt): Diagnose break within omp for.
13445 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13446 (build_unary_op): Return error_mark after reporting
13448 (build_modify_expr): Likewise.
13449 * gimplify.c: Include optabs.h and pointer-set.h.
13450 (enum gimplify_omp_var_data): Declare.
13451 (struct gimplify_omp_ctx): Declare.
13452 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13454 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13455 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13456 (splay_tree_compare_decl_uid): New.
13457 (new_omp_context): New.
13458 (delete_omp_context): New.
13459 (gimple_add_tmp_var): Call omp_add_variable.
13460 (gimplify_bind_expr): Likewise.
13461 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13462 true, disregard DECL_VALUE_EXPR on the decl if any.
13463 (gimplify_expr_in_ctx): New.
13464 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13465 omp_add_variable, omp_notice_variable, omp_is_private
13466 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13467 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13468 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13469 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13470 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13471 gimplify_omp_atomic): New.
13472 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13473 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13474 OMP_CRITICAL and OMP_ATOMIC.
13475 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13476 * c-pragma.h (enum pragma_kind): Add
13477 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13478 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13479 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13480 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13481 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13482 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13483 PRAGMA_OMP_THREADPRIVATE.
13484 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13485 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13486 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13487 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13488 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13489 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13490 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13491 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13492 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13493 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13494 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13495 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13496 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13498 (struct nesting_info): Add field_map,
13499 suppress_expansion, debug_var_chain.
13500 (create_nesting_tree): Initialize them.
13501 (lookup_field_for_decl): Use field_map.
13502 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13503 (convert_local_omp_clauses): New.
13504 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13505 (walk_body): Split out of walk_function.
13506 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13507 (convert_nonlocal_reference): Handle omp statements.
13508 (convert_local_reference): Likewise.
13509 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13510 (unnest_nesting_tree): New.
13511 (lower_nested_functions): Call it.
13512 (insert_field_into_struct): Make extern.
13513 (struct walk_stmt_info): Move to tree-gimple.h.
13514 (walk_stmts): Make extern.
13515 * omp-builtins.def: New file.
13516 * tree-iterator.c (expr_only): Clarify comment.
13517 * c-common.h (pushdecl_top_level, pushdecl,
13518 build_modify_expr, build_indirect_ref,
13519 c_finish_omp_master, c_finish_omp_critical,
13520 c_finish_omp_ordered, c_finish_omp_barrier,
13521 c_finish_omp_atomic, c_finish_omp_flush,
13522 c_finish_omp_for, c_split_parallel_clauses,
13523 omp_clause_default_kind, c_omp_sharing_predetermined,
13524 c_omp_remap_decl): Declare.
13525 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13526 (OBJS-common): Add omp-low.o.
13527 (c-omp.o, omp-low.o): Add.
13528 (gimplify.o): Add dependency on $(OPTABS_H).
13529 (GTFILES): Add omp-low.c.
13530 (gt-stringpool.h): Add.
13531 * tree-cfg.c (set_bb_for_stmt): Do not update the
13532 block-to-labels map if we are currently expanding to RTL.
13533 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13535 Handle IDENTIFIER_NODE.
13536 (tree_verify_flow_info): Do not ICE when emitting error
13537 messages about invalid labels.
13538 (dump_function_to_file): Reset CFUN before emitting the body
13540 (debug_function): New.
13541 * passes.c (init_optimization_passes): Schedule
13543 * langhooks-def.h (lhd_omp_predetermined_sharing,
13544 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13546 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13547 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13548 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13549 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13550 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13551 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13552 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13553 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13554 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13555 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13556 (LANG_HOOK_DECLS): Use them.
13558 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13559 Richard Henderson <rth@redhat.com>
13560 Jakub Jelinek <jakub@redhat.com>
13561 Diego Novillo <dnovillo@redhat.com>
13563 * c-parser.c (pragma_omp_clause): Define.
13564 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13565 (c_parser_compound_statement): Likewise.
13566 (c_parser_statement): Likewise.
13567 (c_parser_pragma): Handle omp pragmas.
13568 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13569 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13570 (c_parser_omp_clause_name, check_no_duplicate_clause,
13571 c_parser_omp_variable_list,
13572 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13573 c_parser_omp_clause_copyprivate,
13574 c_parser_omp_clause_default,
13575 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13576 c_parser_omp_clause_lastprivate,
13577 c_parser_omp_clause_nowait,
13578 c_parser_omp_clause_num_threads,
13579 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13580 c_parser_omp_clause_reduction,
13581 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13582 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13583 c_parser_omp_atomic, c_parser_omp_barrier,
13584 c_parser_omp_critical, c_parser_omp_flush,
13585 c_parser_omp_for_loop, c_parser_omp_for,
13586 c_parser_omp_master, c_parser_omp_ordered,
13587 c_parser_omp_sections_scope, c_parser_omp_sections,
13588 c_parser_omp_parallel, c_parser_omp_single,
13589 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13590 * c-pragma.c (init_pragma): Do omp pragma registration here.
13591 * c.opt (fopenmp): New flag.
13593 2006-01-18 Eric Christopher <echristo@apple.com>
13595 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13596 * config/darwin.h (GOMP_SELF_SPECS): Define.
13598 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13600 * rtl.h: Remove the prototype for reg_alloc.
13602 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13605 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13606 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13607 sjlj and dwarf2 exception handling.
13608 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13609 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13610 * pa/pa.c (function_value): Treat complex and vector types as
13612 (function_arg): Likewise. Only pass scalar floats in the floating
13613 point argument registers.
13614 * pa/t-slibgcc-dwarf-ver: New file.
13615 * pa/t-slibgcc-sjlj-ver: New file.
13616 * pa/t-slibgcc-elf-ver: Delete file.
13618 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13620 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13621 unlikely_test_section_p test.
13623 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13625 * mode-switching.c (optimize_mode_switching): Make it static.
13626 * basic-block.h: Remove the prototype for
13627 optimize_mode_switching.
13629 * modulo-sched.c (sms_schedule): Make it static.
13630 * rtl.h: Remove the prototype for sms_schedule.
13632 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13633 * rtl.h: Remove the prototype for gcse_after_reload_main.
13635 * reg-stack.c (reg_to_stack): Make it static.
13636 * rtl.h: Remove the prototype for reg_to_stack.
13638 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13640 * rtl.h: Remove the prototypes for regrename_optimize and
13641 copyprop_hardreg_forward.
13643 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13645 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13646 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13647 Test against the appropriate null constant for the mode.
13648 If 'fixup_overlap' is true, swap the operands if they overlap.
13649 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13650 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13651 alpha_split_tmode_pair and adjust for above change.
13652 * config/alpha/alpha.md (movtf_internal): Adjust call to
13653 alpha_split_tfmode_pair and rely on it to swap the operands.
13654 (movti_internal): New insn and post-reload splitter.
13655 (movti): New expander.
13657 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13659 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13662 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13664 * rtlanal.c (global_reg_mentioned_p_1,
13665 global_reg_mentioned_p): Remove.
13666 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13668 * flow.c (initialize_uninitialized_subregs): Make it static.
13669 * rtl.h: Remove the prototype for
13670 initialize_uninitialized_subregs.
13672 * function.c (instantiate_virtual_regs): Make it static.
13673 * function.h: Remove the prototype for
13674 instantiate_virtual_regs.
13676 * regmove.c (regmove_optimize, combine_stack_adjustments):
13678 * rtl.h: Remove the prototypes for regmove_optimize and
13679 combine_stack_adjustments.
13681 2006-01-17 Roger Sayle <roger@eyesopen.com>
13683 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13684 (size_cost): Encode costs in bytes so that a reg-reg addition is
13685 equivalent to COSTS_N_INSNS(1).
13686 (override_options): Use the size_cost.branch_cost as the default
13687 ix86_branch_cost when optimizing for size.
13689 2006-01-18 Ben Elliston <bje@au.ibm.com>
13691 * Makefile.in (D32PBIT_FUNCS): New.
13692 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13693 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13694 D64PBIT_FUNCS and D128PBIT_FUNCS.
13695 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13696 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13698 (decnumber_dep): Define.
13699 * doc/libgcc.texi (Decimal float library routines): New node.
13700 * config/dfp-bit.h, config/dfp-bit.c: New files.
13702 2006-01-18 Ben Elliston <bje@au.ibm.com>
13704 * expr.c (emit_move_change_mode): Always adjust addresses, not
13705 just during reload. Copy replacements only during reload.
13706 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13707 emit_move_via_integer.
13709 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13711 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13712 instead of $(srcdir) and ${srcdir}.
13714 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13717 PR middle-end/11135
13718 * arm.h (struct machine_function): Add pic_reg.
13719 * arm.c (arm_pic_register): Make unsigned.
13720 (arm_override_options): Only set arm_pic_register if
13721 TARGET_SINGLE_PIC_BASE.
13722 (use_return_insn): Only test for a pic register if it is fixed.
13723 (arm_compute_save_reg0_reg12_mask): Likewise.
13724 (thumb_compute_save_reg_mask): Likewise.
13725 (legitimate_pic_operand): Factor out some known invariants.
13726 (legitimize_pic_address): If we don't have a fixed pic register,
13727 then set up a pseudo in the function entry sequence. Handle the
13728 pic base being in a pseudo.
13729 (arm_load_pic_register): Handle the pic register being in a pseudo.
13730 (arm_expand_prologue): Only set up the pic register if it is fixed.
13731 (thumb_expand_prologue): Likewise.
13732 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13733 (pic_load_addr_based_insn): Likewise.
13734 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13737 2006-01-18 Ben Elliston <bje@au.ibm.com>
13739 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13740 decimal float modes for all floating point registers.
13742 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13743 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13745 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13748 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13749 even when the pointer is not NULL.
13751 2006-01-16 Ian Lance Taylor <ian@airs.com>
13753 * common.opt (ftoplevel-reorder): New option.
13754 * cgraph.c (cgraph_asm_nodes): New global variable.
13755 (cgraph_asm_last_node): New static variable.
13756 (cgraph_order): New global variable.
13757 (cgraph_create_node): Set new order field.
13758 (cgraph_varpool_node): Likewise.
13759 (decide_is_variable_needed): Return true if not
13760 flag_toplevel_reorder.
13761 (cgraph_add_asm_node): New function.
13762 * cgraph.h (struct cgraph_node): Add order field.
13763 (struct cgraph_varpool_node): Add order field.
13764 (struct cgraph_asm_node): Define.
13765 (cgraph_asm_nodes, cgraph_order): Declare.
13766 (cgraph_add_asm_node): Declare.
13767 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13769 (cgraph_varpool_assemble_pending_decls): Call it.
13770 (cgraph_output_pending_asms): New static function.
13771 (cgraph_finalize_compilation_unit): Call it.
13772 (struct cgraph_order_sort): Define.
13773 (cgraph_output_in_order): New static function.
13774 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13775 !flag_toplevel_reorder case.
13776 * c-parser.c: Include "cgraph.h".
13777 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13779 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13780 than -fno-unit-at-a-time.
13781 * doc/invoke.texi (Option Summary): Mention
13782 -fno-toplevel-reorder.
13783 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13784 -funit-at-a-time documentation.
13786 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13787 Kazu Hirata <kazu@codesourcery.com>
13789 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13791 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13793 * Makefile.in (FUNCTION_H): New. Use it instead of
13794 function.h throughout the file.
13795 * function.h: Include tree.h.
13797 2006-01-17 Ben Elliston <bje@au.ibm.com>
13799 * recog.c: Separate some functions with whitespace.
13801 2006-01-16 Richard Henderson <rth@redhat.com>
13803 Merge from gomp branch:
13804 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13805 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13806 and rename from struct inline_data. Rename callee* to dst*;
13807 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13808 transform_new_cfg, transform_return_to_modify, and
13809 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13811 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13812 (copy_decl_for_dup): Remove.
13813 * tree-inline.c (struct inline_data): Move to header.
13814 (insert_decl_map): Export.
13815 (remap_decl): Update for member name changes. Use copy_decl hook.
13816 Allow for replacement to be a non-decl. Remove dead code.
13817 (remap_type_1): Check for existing mapping.
13818 (remap_type): Export.
13819 (remap_decls): Update for member name changes.
13820 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13821 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13822 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13823 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13824 (tree_function_versioning, build_duplicate_type): Likewise.
13825 (copy_body_r): Likewise. Export.
13826 (copy_decl_for_dup): Split into ...
13827 (copy_decl_for_dup_finish, copy_decl_to_var,
13828 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13829 (replace_ref_tree, inlining_p): Remove.
13831 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13833 * ifcvt.c (if_convert): Make it static.
13834 * rtl.h: Remove the prototype for if_convert.
13836 * local-alloc.c (local_alloc): Make it static.
13837 * rtl.h: Remove the prototype for local_alloc.
13839 * loop.c (loop_optimize): Make it static.
13840 * cfgloop.h: Remove the prototype for loop_optimize.
13843 2006-01-16 DJ Delorie <dj@redhat.com>
13845 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13848 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13850 * pa.md: Disparage copies between general and floating-point registers
13851 in 32-bit move patterns.
13853 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13856 * Makefile.in (check-%): Depend on site.exp instead of
13857 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13860 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13862 * global.c (global_alloc): Make it static.
13863 * rtl.h: Remove the prototype for global_alloc.
13865 2006-01-16 Richard Guenther <rguenther@suse.de>
13867 * tree-ssa-alias.c (struct used_part): Add write_only field.
13868 (get_or_create_used_part_for): Initialize it to true.
13869 (create_overlap_variables_for): Don't create structure variables
13870 for structures that only are written to.
13871 (find_used_portions): Handle MODIFY_EXPR to track whether a
13872 structure is only written to.
13874 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13876 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13878 * basic-block.h: Remove the prototype for
13879 partition_hot_cold_basic_blocks.
13881 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13883 * cppspec.c (lang_specific_spec_functions): Remove.
13884 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13885 * gcc.h (lang_specific_spec_functions): Remove.
13886 * gccspec.c (lang_specific_spec_functions): Remove.
13888 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13890 * combine.c (record_value_for_reg): Invalidate registers
13892 (record_dead_and_set_regs_1): Likewise, by passing them to
13893 record_value_for_reg.
13894 (record_dead_and_set_regs): Invalidate stores made by a
13895 call. We do not combine across a call, but we still
13896 relied on equivalences.
13898 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13900 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13901 vrp_int_const_binop returning non-constant nodes.
13903 2006-01-16 Paul Brook <paul@codesourcery.com>
13905 * config/m68k/m68k.c (output_move_const_into_data_reg):
13906 Output correct mnemonic for mvz and mvs.
13908 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13910 * rtl-factoring.c: Add sequence abstraction algorithm.
13911 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13912 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13914 (block_has_preserve_label): New function.
13915 * common.opt: Register new pass.
13916 * Makefile.in: Ditto.
13918 * timevar.def: Ditto.
13919 * tree-pass.h: Ditto.
13920 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13921 * rtl.h (make_jump_insn_raw): Add forward decl.
13922 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13924 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13925 Roger Sayle <roger@eyesopen.com>
13927 * fold-const.c (fold_minmax): New static function.
13928 (fold_binary) <MIN_EXPR>: Call it.
13929 <MAX_EXPR>: Likewise.
13930 * stor-layout.c (place_field): Use DECL_SIZE consistently
13931 in the computation of the new record size.
13933 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13935 * cse.c (cse_condition_code_reg): Make it static.
13936 * rtl.h: Remove the prototype for cse_condition_code_reg.
13938 * combine.c (combine_instructions): Make it static.
13939 * rtl.h: Remove the prototype for combine_instructions.
13941 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13944 * tree.c (get_file_function_name_long): Concatenate the first global
13945 object name with a string derived from the input filename of the object
13948 2006-01-16 Ben Elliston <bje@au.ibm.com>
13950 * config/i386/winnt-stubs.c: Update FSF address.
13951 * config/xtensa/ieee754-df.S: Ditto.
13952 * config/xtensa/ieee754-sf.S: Ditto.
13954 2006-01-14 Ian Lance Taylor <ian@airs.com>
13956 * ifcvt.c (noce_init_if_info): New static function, broken out of
13957 noce_process_if_block.
13958 (noce_process_if_block): Call noce_init_if_info.
13959 (check_cond_move_block): New static function.
13960 (cond_move_process_if_block): New static function.
13961 (process_if_block): Call cond_move_process_if_block.
13963 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13965 * cselib.c (hash_table): Rename to cselib_hash_table.
13966 (cselib_clear_table, discard_useless_values,
13967 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13968 cselib_init, cselib_finish): Adjust uses of hash_table.
13970 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13972 PR tree-optimization/25485
13973 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13974 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13975 is known to be false and true, respectively.
13977 2006-01-14 Richard Guenther <rguenther@suse.de>
13979 PR tree-optimization/22548
13980 PR tree-optimization/22555
13981 PR tree-optimization/22501
13982 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13983 * params.def (salias-max-array-elements): New parameter.
13984 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13985 * doc/invoke.texi (salias-max-array-elements): Document.
13986 * tree-flow-inline.h (var_can_have_subvars): We also handle
13988 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13990 * tree-ssa-structalias.c (params.h): Include.
13991 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13992 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13993 (get_constraint_for): For ADDR_EXPR operating on something
13994 containing an ARRAY_REF, add all subvars to the solution.
13995 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13996 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13997 for creating MUST_DEFs.
13998 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14000 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14002 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14004 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14005 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14006 number_of_iterations_le): New functions.
14007 (number_of_iterations_special): Removed.
14008 (number_of_iterations_exit): Do not use number_of_iterations_special.
14009 * tree.c (unsigned_type_for): Always return integer type.
14011 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14012 Richard Guenther <rguenther@suse.de>
14014 PR rtl-optimization/24257
14015 * gcse.c (find_moveable_store): Only consider a store movable
14016 when the SET_SRC of the insn can be assigned to a register.
14018 2006-01-14 Ian Lance Taylor <ian@airs.com>
14020 * tree.c (tree_not_class_check_failed): New function.
14021 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14022 (tree_not_class_check_failed): Declare.
14024 2006-01-13 Ian Lance Taylor <ian@airs.com>
14026 * reload1.c (do_output_reload): Add assertion rejecting a
14029 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14031 * combine.c (struct reg_stat): Add new fields truncation_label and
14033 (record_value_for_reg): Reset truncated_to_mode.
14034 (record_truncated_value): New function.
14035 (check_promoted_subreg): Call it. Rename to check_conversions.
14036 (combine_instructions): Rename check_promoted_subreg to
14038 (reg_truncated_to_mode): New function.
14039 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14040 (gen_lowpart_or_truncate): New function.
14041 (force_to_mode): Use it instead of gen_lowpart.
14043 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14045 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14046 VAR is a tag, not its type tag.
14048 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14050 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14051 alternatives to match style of other entries.
14052 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14054 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14056 PR tree-optimization/25771
14057 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14060 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14063 * tree-inline.c (declare_return_variable): If the return variable
14064 was marked as a non gimple complex, set the return slot variable
14065 to be a non gimple comple variable.
14067 2006-01-13 Richard Guenther <rguenther@suse.de>
14069 * builtins.c (expand_builtin_sincos): New function.
14070 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14072 (expand_builtin): Expand sincos using expand_builtin_sincos.
14074 2006-01-12 DJ Delorie <dj@redhat.com>
14076 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14077 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14078 so that constant shifts can be split.
14079 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14080 (m32c_valid_pointer_mode): Make static.
14081 (shift_gen_func_for): New.
14082 (m32c_prepare_shift): Use it. Split large const shifts into
14084 * config/m32c/predicates.md (shiftcount_operand): Allow more
14086 (longshiftcount_operand): New.
14087 * doc/md.texi (Machine Constraints): Document In6.
14089 2006-01-13 Ben Elliston <bje@au.ibm.com>
14091 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14092 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14095 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14097 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14098 to try to avoid clobbering pieces of structures when we know
14099 something about the whole structure.
14100 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14102 2006-01-13 Ben Elliston <bje@au.ibm.com>
14104 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14105 return in memory, as this is no limitation is no longer present.
14107 2006-01-12 DJ Delorie <dj@redhat.com>
14109 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14110 mova with fb, and for fb+0 -> An.
14112 * config/m32c/mov.md (peephole2): Fix enabling logic.
14114 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14115 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14116 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14117 FINI_ARRAY_SECTION_ASM_OP): Define.
14119 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14121 (m32c_legitimize_reload_address): New logic to reload FB to An.
14122 (m32c_output_reg_push): Add newline.
14123 (m32c_output_reg_pop): Likewise.
14125 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14127 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14129 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14131 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14133 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14135 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14138 2006-01-11 Ben Elliston <bje@au.ibm.com>
14140 * rtlanal.c (find_reg_note): Assert insn is not null.
14142 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14144 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14147 2006-01-11 Jeff Law <law@redhat.com>
14149 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14151 (mark_threaded_blocks, register_jump_thread): New functions.
14152 (thread_through_all_blocks): Remove unwanted argument. No
14153 longer rely on e->aux to communicate thread target info.
14154 Call mark_threaded_blocks. Release the threaded_blocks
14155 bitmap and threaded_edges vector when complete.
14156 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14157 (threaded_blocks): Remove.
14158 (tree_ssa_dominator_optimize): Remove initialization and
14159 finalization of threaded_blocks. Simplify call to
14160 thread_through_all_blocks.
14161 (thread_across_edge): Call register_jump_thread rather than
14162 storing thread information into e->aux.
14163 (free_all_edge_infos): Simplify now that e->aux is no longer
14164 used to communicate with thread_through_all_blocks.
14165 * tree-flow.h (thread_through_all_blocks): Update prototype.
14166 (register_jump_thread): Prototype.
14168 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14170 * df-core.c (df_compact_blocks, df_bb_replace): Use
14171 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14173 2006-01-11 Richard Guenther <rguenther@suse.de>
14175 PR tree-optimization/25734
14176 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14177 stop propagation after successful propagation to the LHS.
14179 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14181 * basic-block.h (control_flow_graph): Change the type of
14182 x_basic_block_info to VEC(basic_block,gc) *.
14183 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14185 (SET_BASIC_BLOCK): New.
14186 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14187 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14188 * cfgbuild.c (find_basic_blocks): Likewise.
14189 * cfglayout.c (fixup_reorder_chain): Likewise.
14190 * cfgrtl.c (create_basic_block_structure,
14191 rtl_create_basic_block): Likewise.
14192 * ifcvt.c (find_if_case_1): Likewise.
14193 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14196 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14198 * Makefile.in: Removed rotted odf.c entry.
14200 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14203 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14204 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14205 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14206 output pattern modifier, not %e.
14207 * config/cris/cris.c (cris_op_str): Update comment about pattern
14209 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14210 before falling through into...
14211 <case 'E'>: Redefined from old 'e' case.
14213 2006-01-11 Jan Hubicka <jh@suse.cz>
14216 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14218 2006-01-11 Jan Hubicka <jh@suse.cz>
14220 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14221 * i386.c (x86_decompose_lea): Kill.
14222 (ix86_rtx_costs): Kill.
14224 2006-01-11 Jan Hubicka <jh@suse.cz>
14226 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14227 * cgraph.h (cgraph_node): Add inline_decl.
14228 (cgraph_insert_node_to_hashtable): Declare.
14229 (save_inline_function_body): Declare.
14230 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14232 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14233 (cgraph_function_versioning): Update call of tree_function_versioning.
14234 (save_inline_function_body): New function.
14235 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14236 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14237 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14238 (cgraph_default_inline_p): Likewise.
14239 (cgraph_decide_inlining_incrementally): Likewise.
14240 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14241 (copy_bb): Kill saving; do updating of clones.
14242 (copy_cfg_body): Kill saving.
14243 (initialize_inlined-parameters): Likewise.
14244 (expand_call_inline): Likewise.
14246 (tree_function_versioning): New parameter "update_clones".
14247 (inlining_p): Kill saving.
14248 * tree-inline.h (tree_function_versioning): Update prototype.
14249 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14252 2006-01-11 Ian Lance Taylor <ian@airs.com>
14254 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14255 Allow undoing set of machine mode.
14256 (do_SUBST): Use enums instead of is_int.
14257 (do_SUBST_MODE): New function.
14258 (SUBST_MODE): New macro.
14259 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14260 reg and trying to replace reg_regno_rtx with a new register.
14261 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14262 (simplify_set): Use SUBST_MODE.
14263 (distribute_notes): Remove code that tried to update reg notes
14264 for regno_reg_rtx changes.
14266 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14268 PR tree-optimization/23109
14269 PR tree-optimization/23948
14270 PR tree-optimization/24123
14272 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14273 * tree-cfg.c (single_noncomplex_succ): New.
14274 * tree-flow.h (single_noncomplex_succ): Declare it.
14275 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14276 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14277 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14278 insert_bb, register_division_in, insert_reciprocals,
14279 replace_reciprocal, free_bb): New.
14280 (execute_cse_reciprocals_1): Rewritten.
14281 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14282 Do not commit any edge insertion. Always compute dominators and
14283 create the allocation pool.
14284 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14285 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14286 * targhooks.c (default_min_divistions_for_recip_mul): New.
14287 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14288 * passes.c (init_optimization_passes): Run recip after tree loop
14290 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14292 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14293 Kenneth Zadeck <zadeck@naturalbridge.com>
14295 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14296 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14297 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14298 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14299 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14300 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14301 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14302 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14303 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14304 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14305 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14306 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14307 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14308 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14309 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14310 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14311 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14312 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14313 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14314 DF_SCAN_POST_ALLOC): New macros.
14315 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14316 df_free_bb_function, df_local_compute_function, df_init_function,
14317 df_dataflow_function, df_confluence_function_0,
14318 df_confluence_function_n, df_transfer_function,
14319 df_finalizer_function, df_free_function, df_dump_problem_function,
14320 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14321 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14322 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14323 df_urec_bb_info, ) New types.
14324 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14326 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14327 df_analyze_simple_change_some_blocks,
14328 df_analyze_simple_change_one_block, df_compact_blocks,
14329 df_bb_replace, df_bb_regno_last_use_find,
14330 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14331 df_insn_regno_def_p, df_find_def, df_find_use,
14332 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14333 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14334 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14335 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14336 debug_df_chain, df_get_dependent_problem, df_chain_create,
14337 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14338 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14339 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14340 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14341 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14342 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14343 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14344 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14345 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14346 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14347 df_reorganize_refs, df_set_state, df_hard_reg_init,
14348 df_read_modify_subreg_p) New public functions.
14349 * df-core.c: The core dataflow solver and glue routines for rtl
14351 (df_init, df_add_problem, df_set_blocks, df_finish,
14352 df_hybrid_search_forward, df_hybrid_search_backward,
14353 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14354 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14355 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14356 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14357 df_reg_defined, df_find_use, df_reg_used, df_dump,
14358 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14359 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14360 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14361 debug_df_useno, reset_df_after_reload): New functions.
14362 * df-scan.c: The scanning fuctions, once in df.c, completely
14363 rewritten so that they now fully model the functionality of
14364 register usage at the backend.
14365 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14366 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14367 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14368 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14369 df_get_artificial_defs, df_get_artificial_uses,
14370 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14371 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14372 df_refs_delete, df_reorganize_refs, df_set_state,
14373 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14374 df_def_record_1, df_defs_record, df_uses_record,
14375 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14376 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14377 df_record_exit_block_uses, df_hard_reg_init): New functions.
14379 * df-problems.c: Seven concrete dataflow problems that use the
14380 scanning in df-scan.c and are solved by the engine in df-core.c.
14381 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14382 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14383 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14384 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14385 df_ru_free_bb_info, df_ru_alloc,
14386 df_ru_bb_local_compute_process_def,
14387 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14388 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14389 df_ru_transfer_function, df_ru_free, df_ru_dump,
14390 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14391 df_rd_free_bb_info, df_rd_alloc,
14392 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14393 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14394 df_rd_transfer_function, df_rd_free, df_rd_dump,
14395 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14396 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14397 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14398 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14399 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14400 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14401 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14402 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14403 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14404 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14405 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14406 df_urec_mark_reg_use_for_earlyclobber,
14407 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14408 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14409 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14410 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14411 df_chain_create_bb_process_use, df_chain_create_bb,
14412 df_chain_finalize, df_chain_free, df_chains_dump,
14413 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14414 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14415 df_reg_lifetime): New functions.
14416 * df.c: Deleted file.
14417 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14418 consistent with new df api.
14419 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14420 rest_of_handle_sms): Ditto.
14421 * web.c (unionfind_union, union_defs, entry_register, web_main):
14423 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14424 invariant_expr_equal_p, find_defs, check_dependencies,
14425 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14426 free_inv_motion_data, move_loop_invariants): Ditto.
14427 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14428 Update dependencies.
14429 (odf.c): Added defective entry that was deleted later in day.
14430 * sched-deps.c (sched_analyze_1): Ditto.
14432 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14434 * tree-ssa-operands.c (get_expr_operands): Record addressable
14435 variables directly. Do not call add_stmt_operands for CONST_DECLs
14437 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14438 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14440 2006-01-11 Ben Elliston <bje@au.ibm.com>
14442 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14443 function returns true in the positive case.
14445 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14448 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14449 for SI, DI, SF and DF modes. Add alternatives to copy between
14450 general and floating point registers to the 32-bit patterns.
14451 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14452 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14453 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14454 generating 64-bit code.
14455 * config/pa/pa.c (output_move_double): Handle copies between general
14456 and floating registers.
14458 2006-01-10 Stuart Hastings <stuart@apple.com>
14460 * config/i386/i386.md (set_got): Update.
14461 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14462 (builtin_setjmp_receiver): Mach-O support.
14463 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14464 (GOT_SYMBOL_NAME): Define.
14465 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14466 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14467 * config/i386/i386.c (override_options): Revise for Darwin.
14468 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14469 support. (darwin_x86_file_end): New. (output_set_got): Add label
14470 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14471 * config/i386/i386-protos.h (output_set_got): Likewise.
14472 * config/darwin.c (machopic_legitimize_pic_address): Update
14475 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14477 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14478 when MODE isn't BLKmode.
14480 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14482 PR rtl-optimization/25367
14483 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14485 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14488 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14489 for a negative bound.
14491 2006-01-10 Richard Guenther <rguenther@suse.de>
14493 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14494 Never override with anything constraint.
14496 2006-01-10 Jan Beulich <jbeulich@novell.com>
14498 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14499 256 bits when optimize_size.
14501 2006-01-10 Jan Beulich <jbeulich@novell.com>
14503 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14505 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14506 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14509 2006-01-10 Ben Elliston <bje@au.ibm.com>
14511 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14513 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14514 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14515 (USE_FP_FOR_ARG): Reject decimal float modes.
14516 (function_arg_advance): Likewise.
14517 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14518 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14519 point types in AltiVec vectors.
14520 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14521 (rs6000_libcall_value): Likewise.
14523 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14525 * config/xtensa/ieee754-df.S: New file.
14526 * config/xtensa/ieee754-sf.S: New file.
14527 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14528 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14529 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14531 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14533 * config/sh/predicates.md (binary_float_operator,
14534 binary_logical_operator, commutative_float_operator,
14535 equality_comparison_operator, greater_comparison_operator,
14536 less_comparison_operator, logical_operator,
14537 noncommutative_float_operator, shift_operator,
14538 symbol_ref_operand, unary_float_operator): Remove redundant
14541 2006-01-09 Jeff Law <law@redhat.com>
14543 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14544 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14545 now unused arguments. Callers updated.
14546 (eliminate_redundant_computations): Remove now unused arguments,
14548 (local_fold): Remove, no longer used.
14549 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14551 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14552 (simplify_cond): New function.
14553 (forward_propagate_into_cond): Call simplify_cond.
14555 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14557 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14558 (*vec_extractv2di_1_sse): New.
14560 2006-01-09 Ben Elliston <bje@au.ibm.com>
14562 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14564 2006-01-08 Richard Guenther <rguenther@suse.de>
14566 * tree-ssa-structalias.c (get_constraint_for): Remove
14567 anyoffset argument.
14568 (get_constraint_for_component_ref): Likewise.
14569 (do_deref): Likewise.
14570 (get_constraint_for): Likewise.
14571 (do_structure_copy): Likewise.
14572 (handle_ptr_arith): Likewise.
14573 (find_func_aliases): Likewise. Remove unused need_anyoffset
14576 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14577 Kaz Kojima <kkojima@gcc.gnu.org>
14579 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14580 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14581 (EXTRA_CONSTRAINT_C16): Remove.
14582 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14583 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14584 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14585 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14586 constants of SHmedia. Handle nested constant expressions of
14588 (andcosts): Fix the costs for SHmedia constants.
14589 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14590 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14591 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14592 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14593 (movv4hi_i, movv2si_i): Likewise.
14594 (movsi_const): Adjust the second operand of ior so to match with
14595 the Csu constraint.
14596 (movdi_const, movdi_const_32bit): Likewise.
14597 (movdi_const_16bit+1): Don't sign-extend LOW.
14598 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14600 (*double_shori): Fix the split condition. Use GEN_INT instead
14601 of get_int_mode calls. Mask lower 16-bit of the argument of
14603 (sym2GOTPLT): Remove.
14604 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14606 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14607 instead of EXTRA_CONSTRAINT_C16.
14609 2006-01-07 Ian Lance Taylor <ian@airs.com>
14610 David Edelsohn <edelsohn@gnu.org>
14612 PR rtl-optimization/25662
14613 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14614 for constant operands instead of simplify_gen_binary.
14615 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14616 after trying simplify_binary_operation
14618 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14620 * tree.c (iterative_hash_expr): Hash decls based on UID.
14622 2006-01-06 Eric Christopher <echristo@apple.com>
14624 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14625 (TARGET_UNWIND_EMIT): Fix spelling.
14626 * target.h (gcc_target): Add except_table_label.
14627 * except.c (output_function_exception_table): Use.
14628 * varasm.c (default_emit_except_table_label): New.
14629 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14631 (asm_out): Add here.
14632 * output.h (default_emit_except_table_label): Prototype.
14633 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14634 * config/darwin.c (darwin_emit_except_table_label): Define.
14635 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14637 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14639 PR tree-optimization/18527
14640 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14641 number_of_iterations_special, number_of_iterations_exit):
14642 Move base and step of an iv to a single structure. Add
14643 no_overflow flag, and use it in # of iterations analysis.
14644 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14645 folded_casts argument.
14646 (simple_iv): Pass base and step in a structure. Set no_overflow
14648 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14649 Evaluate expensiveness of computing # of iterations instead of
14650 the final expression.
14651 * tree-scalar-evolution.h (affine_iv): New structure.
14652 (simple_iv): Declaration changed.
14653 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14654 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14655 find_givs_in_stmt): Changed due to simple_iv change.
14657 2006-01-06 Jeff Law <law@redhat.com>
14660 * tree-cfg.c (bsi_replace): Rename final argument from
14661 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14662 change (stmt -> orig_stmt).
14663 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14664 (bsi_remove): Add new argument. Remove EH information
14666 (verify_eh_throw_table_statements): New function.
14667 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14669 * tree-optimize.c (execute_free_cfg_annotations): Verify
14670 the EH throw statement table after removing annotations.
14671 * except.h (verify_eh_throw_table_statements): Prototype.
14672 * tree-flow.h (bsi_remove): Update prototype.
14673 * tree-vrp.c (remove_range_assertions): Add new argument to
14675 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14676 * tree-complex.c (expand_complex_div_wide): Likewise.
14677 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14678 * tree-tailcall.c (eliminate_tailcall): Likewise.
14679 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14680 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14681 * tree-nrv.c (tree_nrv): Likewise.
14682 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14683 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14684 (combine_blocks): Likewise.
14685 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14686 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14687 (cleanup_control_flow): Likewise.
14688 (remove_forwarder_block): Likewise.
14689 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14690 * tree-sra.c (sra_replace): Likewise.
14691 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14692 (forward_propagate_single_use_vars): Likewise.
14693 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14694 * tree-inline.c (expand_call_inline): Likewise.
14695 * tree-vect-transform.c (vect_transform_loop): Likewise.
14696 * tree-outof-ssa.c (rewrite_trees): Likewise.
14697 * tree-cfg.c (make_goto_expr_edges): Likewise.
14698 (cleanup_dead_labels): Likewise.
14699 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14700 (bsi_move_before, bsi_move_after): Likewise.
14701 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14702 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14704 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14707 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14709 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14710 on non gimple variables. Also add checks at the top for decls and
14712 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14714 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14715 and IMAGPART_EXPR for creating MUST_DEFs.
14716 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14717 and NAME_MEMORY_TAG separately from the DECLs.
14719 2006-01-06 Richard Guenther <rguenther@suse.de>
14721 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14722 annotation, if necessary.
14723 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14724 redundant calls to update_stmt.
14725 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14728 2006-01-05 Richard Henderson <rth@redhat.com>
14730 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14732 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14734 * c-typeck.c: Update copyright date.
14736 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14738 * c-typeck.c (build_c_cast): Always warn when casting
14739 from a pointer to an integer of different size, even if
14740 the node was constant.
14742 2006-01-05 Richard Guenther <rguenther@suse.de>
14744 PR tree-optimization/22555
14745 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14746 if one structure field is an array.
14747 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14748 operands even if we found a subvar, but ignore VOPs in this
14750 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14752 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14754 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14756 PR middle-end/24998
14757 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14759 2006-01-05 Richard Guenther <rguenther@suse.de>
14760 Diego Novillo <dnovillo@redhat.com>
14762 * tree-pass.h (TODO_remove_unused_locals): Define.
14763 * gimple-low.c (expand_var_p, remove_useless_vars,
14764 pass_remove_useless_vars): Remove. Update all users.
14765 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14766 (remove_unused_locals): New function.
14767 * tree-flow.h (remove_unused_locals): Declare.
14768 * passes.c (execute_todo): Call remove_unused_locals if
14769 TODO_remove_unused_locals is set.
14770 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14771 * tree-ssa-dce.c (pass_dce): Likewise.
14772 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14774 2006-01-05 Richard Guenther <rguenther@suse.de>
14776 * tree-flow.h (struct fieldoff): Decompose field to
14777 type, size and decl.
14778 * tree-ssa-alias.c (create_sft): Take type as parameter.
14779 (create_overlap_variables_for): Store type, size and decl
14780 in the fieldoff structure.
14781 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14782 of struct fieldoff.
14783 (push_fields_onto_fieldstack): Likewise.
14784 (create_variable_info_for): Likewise. Use offset for the
14785 SFT name if the decl is not available.
14787 2006-01-04 Paul Brook <paul@codesourcery.com>
14789 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14791 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14793 * lambda-code.c (can_put_in_inner_loop): Relax
14795 (can_put_after_inner_loop): New function.
14796 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14797 (perfect_nestify): Change to make copies and modify uses.
14799 2006-01-04 Richard Henderson <rth@redhat.com>
14801 Merge from gomp branch:
14802 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14803 via integer constant.
14804 (pragma_lex): Remove.
14805 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14806 rather than parsing it.
14807 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14808 handle_pragma_extern_prefix): Add %< %> quotes.
14809 (registered_pragmas): New.
14810 (c_register_pragma_1): New.
14811 (c_register_pragma): Use it.
14812 (c_register_pragma_with_expansion): Likewise.
14813 (c_invoke_pragma_handler): New.
14814 (init_pragma): Use cpp_register_deferred_pragma directly for
14816 * c-pragma.h (enum pragma_kind): New.
14817 (pragma_handler): New.
14818 (c_invoke_pragma_handler): Declare.
14819 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14821 * c-common.h (c_common_pch_pragma): Update decl.
14822 * Makefile.in (c-parser.o): Update dependencies.
14823 (GTFILES): Add c-pragma.h.
14824 * c-parser.c (struct c_token): Add pragma_kind.
14825 (struct c_parser): Add in_pragma.
14826 (c_lex_one_token): Always initialize keyword and pragma_kind.
14827 Extract data for CPP_PRAGMA.
14828 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14829 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14830 Don't allow CPP_PRAGMA_EOL if in_pragma.
14831 (c_parser_consume_pragma): New.
14832 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14833 (c_parser_skip_to_end_of_parameter): Likewise.
14834 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14835 (c_parser_skip_to_pragma_eol): New.
14836 (c_parser_external_declaration): Handle CPP_PRAGMA.
14837 (c_parser_compound_statement_nostart): Likewise.
14838 (c_parser_statement_after_labels): Likewise.
14839 (c_parser_pragma): New.
14840 (pragma_lex): Likewise.
14841 (c_parser_pragma_pch_preprocess): New.
14842 (c_parser_new): Merge into ...
14843 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14845 2006-01-04 Jeff Law <law@redhat.com>
14848 * tree-cfg.c (bsi_replace): Remove the original statement
14849 from the EH throw statement table.
14851 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14853 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14854 make the prototype extern "C" and add throw ().
14857 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14858 and pos non-negative and pos + len <= 32.
14859 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14860 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14861 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14864 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14865 as well as sizes not multiple of component size.
14868 * function.c (instantiate_expr): New function.
14869 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14870 walk its DECL_VALUE_EXPR with instantiate_expr.
14872 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14873 DW_OP_deref{,_size} if address isn't going to be added.
14875 2006-01-04 Ben Elliston <bje@au.ibm.com>
14877 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14878 * config/fp-bit.c: Likewise.
14880 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14882 * dominance.c: Add comment about why we use DFS numbering
14885 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14886 Richard Henderson <rth@redhat.com>
14888 Merge from gomp-branch:
14889 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14890 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14892 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14894 PR rtl-optimization/25578
14895 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14896 pass a parameter to simplify_shift_const if changing ASHIFTRT
14899 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14901 * builtins.c (get_builtin_sync_mem): New function.
14902 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14903 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14904 Call get_builtin_sync_mem to generate mem rtx.
14906 2006-01-03 Richard Guenther <rguenther@suse.de>
14909 * stmt.c (add_case_node): Make sure to clear overflow flags
14912 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14914 Merge from gomp-branch.
14915 * config/sparc/sync.md: New file.
14916 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14917 UNSPECV_LDSTUB): New constants.
14918 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14919 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14920 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14923 2006-01-03 Roger Sayle <roger@eyesopen.com>
14925 * combine.c (reg_subword_p): New predicate to test whether the
14926 destination of a set refers to a subword/piece of a register.
14927 (try_combine): Generalize the code to merge the setting of a
14928 pseudo to a constant followed by a set of a subword of that
14929 register to a constant.
14931 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14933 * basic-block.h (control_flow_graph): Change the type of
14934 x_label_to_block_map to VEC(basic_block,gc) *.
14935 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14936 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14938 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14939 VEC(basic_block,heap) *.
14940 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14941 ssa_prop_fini): Adjust the uses of cfg_blocks.
14943 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14945 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14947 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14948 hashing trees instead of a pointer hash.
14949 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14950 compare for MEM_EXPR.
14952 PR rtl-optimization/25130
14953 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14954 when comparing MEMs for GCSE
14956 2006-01-03 Ben Elliston <bje@au.ibm.com>
14958 * targhooks.h (default_decimal_float_supported_p): Declare.
14959 * targhooks.c (default_decimal_float_supported_p): Define.
14960 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14961 `default_decimal_float_supported_p'.
14962 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14964 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14966 * combine.c (apply_distributive_law <SUBREG>): Check
14967 TRULY_NOOP_TRUNCATION.
14969 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14971 * dwarf2out.c (have_switched_text_section): Delete.
14972 (have_multiple_function_sections): New.
14973 (have_location_lists): Make 'bool'.
14974 (add_AT_loc_list): Use 'true' not '1'.
14975 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14976 (output_loc_list): Use have_multiple_function_sections.
14977 (output_ranges): Likewise.
14978 (dwarf2out_begin_function): Set have_multiple_function_sections if
14980 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14981 Check function_section rather than DECL_SECTION_NAME.
14982 (dwarf2out_finish): Use have_multiple_function_sections.
14983 Don't clear have_location_lists.
14985 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14986 Jan Hubicka <jh@suse.cz>
14988 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14989 case of conditional jump jumping to the next instruction.
14990 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14991 cases of conditional jump jumping to the next instruction.
14993 2006-01-02 Jan Hubicka <jh@suse.cz>
14995 * i386.c (*_cost): Add COSTS_N_INSNS.
14996 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14998 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15001 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15003 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15005 * config/arm/arm.c (all_fpus): Fix comment typo.
15006 * config/darwin.c: Likewise.
15007 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15008 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15009 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15011 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15013 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15014 (rs6000_split_compare_and_swapqhi): New.
15015 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15016 (sync_compare_and_swapqhi_internal): New.
15017 * config/rs6000/rs6000-protos.h: Declare.