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 * cfgrtl.c (emit_insn_at_entry): New function.
9 * rtl.h (emit_insn_at_entry): Declare it.
10 * integrate.c (emit_initial_value_sets): Use it.
12 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
14 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
17 2006-09-14 Richard Guenther <rguenther@suse.de>
18 Kazu Hirata <kazu@codesourcery.com>
21 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
22 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
23 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
24 with TARGET_FUNCTION_VALUE.
26 2006-09-14 Anatoly Sokolov <aesok@post.ru>
29 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
31 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
33 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
36 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
39 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
42 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
44 * basic_block.h (bb_has_eh_pred): Fix comment.
46 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
48 * flow.c (calculate_global_regs_live): Invalidate eh registers
49 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
50 (propagate_block): Handle eh registers as if they were set at basic
52 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
54 * global.c (global_conflicts): Make eh registers to conflict with
55 pseudos live at basic block begin.
56 * basic_block.h (bb_has_eh_pred): New function.
58 2006-09-13 Richard Sandiford <richard@codesourcery.com>
60 PR rtl-optimization/28982
61 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
62 index of a PRE_MODIFY or POST_MODIFY address.
63 * reload1.c (inc_for_reload): Use find_replacement on the original
64 base and index registers.
66 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
68 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
69 for -Os. Update __m128 alignment requirement.
71 2006-09-13 Jan Hubicka <jh@suse.cz>
73 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
75 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
77 PR rtl-optimization/28243
78 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
79 the insn to which the note was originally attached.
81 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
82 Roger Sayle <roger@eyesopen.com>
84 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
85 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
86 on platforms that don't use dwarf for debug info.
88 2006-09-12 Jason Merrill <jason@redhat.com>
91 * builtins.c (expand_builtin_setjmp_receiver): Clobber
92 hard_frame_pointer_rtx after using it to update the frame pointer.
94 2006-09-12 Roger Sayle <roger@eyesopen.com>
96 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
97 (TARGET_ASM_CLOSE_PAREN): Likewise.
98 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
99 (TARGET_ASM_CLOSE_PAREN): Likewise.
101 2006-09-12 Roger Sayle <roger@eyesopen.com>
104 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
105 frame information for frames larger than 512 Kbytes on Tru64 when
106 using the native assembler.
108 2006-09-12 Roger Sayle <roger@eyesopen.com>
112 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
113 and symbols. Instead use the implementation from cse.c's hash_rtx.
115 2006-09-12 Jan Hubicka <jh@suse.cz>
117 PR rtl-optimization/28071
118 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
119 (vect_transform_loop): Likewise.
120 * tree-vectorizer.c (new_loop_vec_info): Likewise.
121 (new_loop_vec_info): Likewise.
122 (destroy_loop_vec_info): Likewise.
123 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
124 (create_stmt_ann): Likewise.
125 (create_tree_ann): Rename to ...
126 (create_tree_common_ann): ... this one; allocate only the common part
128 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
129 (get_value_handle): Likewise.
130 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
132 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
133 (vinfo_for_stmt): Use stmt annotations.
134 * tree-flow.h (tree_ann_common_t): New type.
135 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
136 (tree_ann, get_tree_ann, create_tree_ann): New.
137 * tree-flow-inline.h (get_function_ann): Do more type checking.
138 (stmt_ann): Likewise.
139 (tree_ann): Rename to ...
140 (tree_common_ann): ... this one; return ony common_ann
141 (get_tree_ann): Rename to ...
142 (tree_common_ann): This one; return only common_ann.
143 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
146 2006-09-11 Geoffrey Keating <geoffk@apple.com>
148 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
151 * dwarf2out.c (dwarf_file_data): New.
152 (enum dw_val_class): Add dw_val_class_file.
153 (struct dw_val_struct): Add val_file.
154 (file_table): Change to a hash table.
155 (file_table_emitted): Delete.
156 (file_table_last_lookup_index): Delete.
158 (last_emitted_file): New.
159 (lookup_filename): Change prototype to return a struct dwarf_file_data.
160 (init_file_table): Delete.
161 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
162 (AT_addr): Add comment.
166 (print_die): Handle dw_val_class_file.
167 (print_dwarf_line_table): Update for new file table structure.
168 (attr_checksum): Do checksum a filename.
169 (same_dw_val_p, same_attr_p): Do compare a filename.
170 (size_of_die): Handle dw_val_class_file.
171 (value_format): Likewise.
172 (output_die): Likewise. Also, call maybe_emit_file here.
173 (struct file_info): Constify filenames. Make file_idx a pointer
174 to a struct dwarf_file_data.
175 (struct dir_info): Constify directory names. Remove 'used' field.
176 (struct file_name_acquire_data): New.
177 (file_name_acquire): New.
178 (output_file_names): Modify to handle new file data structures.
179 (add_src_coords_attributes): Use add_AT_file.
180 (add_call_src_coords_attributes): Likewise.
181 (dwarf2out_imported_module_or_decl): Likewise.
182 (gen_subprogram_die): Modify for new file data structures.
183 (gen_variable_die): Likewise.
184 (file_table_eq): New.
185 (file_table_hash): New.
186 (file_table_last_lookup): New.
187 (lookup_filename): Rewrite to handle new file data structures.
188 (maybe_emit_file): Rewrite to handle new file data structures.
189 (dwarf2out_source_line): Always call lookup_filename and
191 (dwarf2out_init): Create file_table here.
192 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
193 (file_table_relative_p): New.
194 (dwarf2out_finish): Change detection of relative filenames
195 to work with new file data structures. Move output_line_info call
196 after debug_info output.
198 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
203 * config/i386/i386.c (override_options): Always default to 16
206 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
209 * var-tracking.c (dump_dataflow_set): Start dumping at
211 (clobber_variable_part): Kill only the variable part in
212 registers holding it, leaving other variables alone.
214 2006-09-11 Josh Triplett <josh@freedesktop.org>
216 * doc/extend.texi (Other Builtins): Actually use the macro
217 argument in the documentation example for
218 __builtin_types_compatible_p.
220 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
222 PR rtl-optimization/28726
223 * sched-deps.c (sched_analyze_reg): New function extracted from...
224 (sched_analyze_1): ...here. Call it to analyze references to
225 registers. Treat again writes to a stack register as writing to the
227 (sched_analyze_2): ...and here. Call it to analyze references to
228 registers. Treat again reads of a stack register as reading the
231 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
232 David Edelsohn <edelsohn@gnu.org>
235 * config/rs6000/spe.md (frob_df_di): Remove %H.
236 (frob_di_df): Remove %H. Change evmergelo to mr.
237 (frob_di_df_2): Remove %H. Change evldd to two loads.
239 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
241 * doc/cpp.texi: Fix names of charset options.
243 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
246 * config/i386/i386.c (override_options): Use 128-bit
247 stack boundary always for 64bits.
249 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
251 PR rtl-optimization/28636
252 * combine.c (force_to_mode): Test for side-effects before
253 substituting by zero.
254 (simplify_shift_const): Likewise for zero or other constants.
256 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
259 * builtins.c (expand_builtin_setjmp): Force next_lab to be
262 2006-09-10 Richard Sandiford <richard@codesourcery.com>
265 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
266 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
267 returned by mode_for_size, rather than the mode of src itself,
268 to choose between 32-bit and 64-bit patterns.
269 (mips_mem_fits_mode_p): New function.
270 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
271 that the size of the source matches the size of the destination.
272 (mov_<store>l, mov_<store>r): Likewise.
274 2006-09-10 Eric Christopher <echristo@apple.com>
276 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
279 2006-09-09 Eric Christopher <echristo@apple.com>
282 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
285 2006-09-09 Roger Sayle <roger@eyesopen.com>
286 Nicolas Setton <setton@adacore.com>
288 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
290 2006-09-10 Andreas Schwab <schwab@suse.de>
292 * config/m68k/m68k.md (bungt_rev): New pattern.
294 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
295 Dale Johannesen <dalej@apple.com>
298 * regclass.c (struct reg_pref): Update documentation.
299 (regclass): Set prefclass to NO_REGS if memory is the best option.
300 (record_reg_classes): Cope with a prefclass set to NO_REGS.
302 2006-09-08 Eric Christopher <echristo@apple.com>
304 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
305 * config/t-slibgcc-darwin: Support x86_64 multilib.
306 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
307 Return 1 for x86_64-darwin.
308 * config/i386/t-darwin: Add m64 multilib.
309 (LIB2_SIDITI_CONV_FUNCS): Use.
310 (LIB2FUNCS_EXTRA): Ditto.
311 * config/i386/darwin.h: Support x86_64.
312 * config/i386/i386.c (override_options): Turn on flag_pic
313 for x86_64-darwin. Disable flag_omit_pointer.
314 (get_pc_thunk_name): Assert !TARGET_64BIT.
315 (legitimate_address_p): Disable machopic addressing for
317 (legitimize_pic_address): Ditto.
318 (ix86_expand_move): Ditto.
319 (ix86_expand_call): Ditto.
320 (machopic_output_stub): Ditto.
321 * config/darwin.c (machopic_select_section): Support literal16.
322 (machopic_select_rtx_section): Ditto.
323 * config/darwin-sections.def: Ditto.
324 * config/darwin-64.c: New.
326 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
329 * c-tree.h (struct c_arg_info): Add pending_sizes.
330 * c-parser.c (c_parser_parms_declarator,
331 c_parser_parms_list_declarator): Initialize pending_sizes.
332 * c-decl.c (get_parm_info): Initialize pending_sizes.
333 (get_parm_info): Set pending_sizes.
334 (grokdeclarator): Call put_pending_sizes for parameters for
335 function definition only.
337 2006-09-07 Jason Merrill <jason@redhat.com>
340 * varasm.c (output_constant): Only strip actual no-op conversions.
343 * config/i386/i386.c (override_options): Use 128-bit
344 stack boundary if -msse.
346 2006-09-07 Eric Christopher <echristo@apple.com>
348 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
350 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
353 2006-09-07 Geoffrey Keating <geoffk@apple.com>
355 * dwarf2out.c: Remove strange characters from comment above
356 dwarf2out_frame_debug_expr.
358 2006-09-07 Eric Christopher <echristo@apple.com>
360 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
361 * config/darwin.h: ... to here.
363 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
365 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
367 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
368 (TARGET_PARTIAL_FLAG_REG_STALL): New.
370 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
371 TARGET_PARTIAL_FLAG_REG_STALL.
372 (*ashldi3_cconly_rex64): Likewise.
373 (*ashlsi3_cmp): Likewise.
374 (*ashlsi3_cconly): Likewise.
375 (*ashlsi3_cmp_zext): Likewise.
376 (*ashlhi3_cmp): Likewise.
377 (*ashlhi3_cconly): Likewise.
378 (*ashlqi3_cmp): Likewise.
379 (*ashlqi3_cconly): Likewise.
380 (*ashrdi3_cmp_rex64): Likewise.
381 (*ashrdi3_cconly_rex64): Likewise.
382 (*ashrsi3_cmp): Likewise.
383 (*ashrsi3_cconly): Likewise.
384 (*ashrsi3_cmp_zext): Likewise.
385 (*ashrhi3_cmp): Likewise.
386 (*ashrhi3_cconly): Likewise.
387 (*ashrqi3_cmp): Likewise.
388 (*ashrqi3_cconly): Likewise.
389 (*lshrdi3_cmp_rex64): Likewise.
390 (*lshrdi3_cconly_rex64): Likewise.
391 (*lshrsi3_cmp): Likewise.
392 (*lshrsi3_cconly): Likewise.
393 (*lshrsi3_cmp_zext): Likewise.
394 (*lshrhi3_cmp): Likewise.
395 (*lshrhi3_cconly): Likewise.
396 (*lshrqi2_cmp): Likewise.
397 (*lshrqi2_cconly): Likewise.
399 2006-09-07 Uros Bizjak <uros@kss-loka.si>
402 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
403 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
404 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
405 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
406 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
407 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
408 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
409 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
410 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
411 implement only CC setting effects of shift instructions.
413 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
415 * doc/contrib.texi: Add myself.
417 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
420 * stor-layout.c (relayout_decl): Don't zero the alignment if it
423 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
426 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
427 (divsi_inv_m1): Use them.
428 (UNSPEC_DIV_INV_TABLE): New constant.
430 2006-09-06 James E Wilson <wilson@specifix.com>
433 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
434 then call count_or_remove_death_notes.
436 2006-09-06 Jason Merrill <jason@redhat.com>
439 * tree-inline.c (copy_result_decl_to_var): New fn.
440 (declare_return_variable): Use it. Call declare_inline_vars here.
441 (expand_call_inline): Not here.
443 2006-09-06 Diego Novillo <dnovillo@redhat.com>
445 * doc/contrib.texi: Update my entry.
447 2006-09-06 Nick Clifton <nickc@redhat.com>
449 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
451 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
454 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
455 (canonicalize_induction_variables): Likewise.
456 (tree_unroll_loops_completely): Likewise.
457 (tree_ssa_prefetch_arrays): Likewise.
458 (remove_empty_loops): Likewise.
459 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
460 TODO_cleanup_cfg instead of directly calling
461 cleanup_tree_cfg_loop.
462 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
464 (tree_unroll_loops_completely): Likewise.
465 (remove_empty_loops): Likewise.
466 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
467 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
468 of tree_ssa_unswitch_loops.
469 (tree_ssa_loop_ivcanon): Use the return value of
470 canonicalize_induction_variables.
471 (tree_ssa_empty_loop): Use the return value of
473 (tree_complete_unroll): Use the return value of
474 tree_unroll_loops_completely.
475 (tree_ssa_loop_prefetch): Use the return value of
476 tree_ssa_prefetch_arrays.
477 * passes.c (execute_todo): Before Cleanup CFG, set
478 updating_used_alone and after cleanup CFG, call
479 recalculate_used_alone.
481 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
484 * tree-vect-transform.c (vectorizable_condition): Move the check
485 for the type after the check for simple condition.
487 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
488 Kaz Kojima <kkojima@gcc.gnu.org>
491 * mode-switching.c (optimize_mode_switching): Make the destination
492 block of an abnormal edge have no anticipatable mode. Don't
493 insert mode switching code at the end of the source block of
496 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
498 PR rtl-optimization/26847
499 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
500 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
501 (simplify_plus_minus): Count n_constants while filling ops. Replace
502 qsort with insertion sort. Before going through the array to simplify
503 pairs, sort it. Delay early exit until after the first sort, exiting
504 only if no swaps occurred. Simplify pairs in reversed order, without
505 special-casing the first iteration. Pack ops after simplifying pairs.
507 2006-09-05 Anatoly Sokolov <aesok@post.ru>
509 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
510 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
511 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
512 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
514 2006-09-05 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/28900
517 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
518 compound conditional before creating COND_EXPR condition.
520 2006-09-05 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/28905
523 * tree-vrp.c (fix_equivalence_set): Manually implement
524 !value_ranges_intersect_p to also handle symbolic ranges.
526 2006-09-05 Richard Guenther <rguenther@suse.de>
529 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
532 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
534 PR rtl-optimization/27616
535 * cse.c (table_size): New static variable.
536 (new_basic_block): Initialize it to 0.
537 (remove_from_table): Decrement it.
538 (insert): Increment it.
539 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
540 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
541 fold_rtx_mem_1 if under the cap.
542 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
543 the lookup of the equivalent expression and test for equality of the
544 first operand of the equivalent expression before in turn looking up
545 an equivalent constant for the second operand.
547 2006-09-02 Geoffrey Keating <geoffk@apple.com>
550 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
551 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
552 pointer, instead of assuming it is possible to derive the
553 correct args size from a call insn.
555 2006-09-02 Jakub Jelinek <jakub@redhat.com>
558 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
559 (fold_builtin_mempcpy): Rename to...
560 (fold_builtin_memory_op): ... this. Optimize one element copy
562 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
564 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
565 (expand_builtin_memcpy, expand_builtin_mempcpy,
566 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
567 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
568 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
569 BUILT_IN_MEM{CPY,PCPY,MOVE}.
571 2006-09-01 DJ Delorie <dj@redhat.com>
573 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
575 ("stzx_24_<mode>"): Likewise.
576 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
577 ("cmp<mode>_op"): New.
578 (cmp<mode>): Change to expander; just save operands.
580 (b<code>): Change to expander, emit compare here.
581 (s<code>_op): Change to use split and expander.
582 (s<code>_24_op): Likewise.
583 (s<code>_<mode>): New.
584 (s<code>_<mode>_24): New.
585 (movqicc_<code>_<mode): New.
586 (movhicc_<code>_<mode>): New.
589 * config/m32c/m32c.c (compare_op0, compare_op1): New.
590 (m32c_pend_compare): New.
591 (m32c_unpend_compare): New.
592 (m32c_expand_scc): New.
593 (m32c_expand_movcc): Emit the compare also.
594 * config/m32c/predicates.md (mra_nopp_operand): New.
596 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
597 Richard Guenther <rguenther@suse.de>
598 Adam Nemet <anemet@caviumnetworks.com>
601 * builtins.c (get_pointer_alignment): Handle more forms
602 of base addresses that can be used to derive more precise
603 information about alignment.
605 2006-09-01 Jason Merrill <jason@redhat.com>
608 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
611 * gimplify.c (voidify_wrapper_expr): Handle null type.
613 2006-09-01 Josh Conner <jconner@apple.com>
616 * tree-nrv.c (dest_safe_for_nrv_p): New function.
617 (execute_return_slot_opt): Use it.
619 2006-08-31 Josh Conner <jconner@apple.com>
622 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
623 returning aggregates.
625 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
627 PR tree-optimization/28839
628 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
629 blocks in that phi arguments appear.
631 2006-08-31 Roger Sayle <roger@eyesopen.com>
634 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
635 NULL, otherwise use an advance_loc4 to adjust relative to the
637 (output_cfi) <DW_CFA_set_loc>: Update the current label.
638 (dwarf2out_switch_text_section): Reset the current label to avoid
639 using advance_loc4 over section boundaries.
641 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
644 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
645 r12 + SYMBOLIC_CONST.
647 2006-08-30 Richard Guenther <rguenther@suse.de>
649 * Makefile.in (see.o): Add $(EXPR_H) dependency.
651 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
653 PR rtl-optimization/27735
654 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
655 Add new argument to keep track of whether an irreducible region
656 was affected. All callers changed.
657 (fix_irreducible_loops): Removed.
658 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
659 flags were invalidated.
661 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
663 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
664 instead of SF operands.
665 (*fop_df_comm_sse): Likewise.
666 (*fop_df_comm_i387): Likewise.
667 (*fop_df_1_mixed): Likewise.
668 (*fop_df_1_sse): Likewise.
670 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
671 J"orn Rennecke <joern.rennecke@st.com>
673 PR tree-optimization/17506
674 * tree-ssa.c (warn_uninit): If warning about a location outside of
675 the current function, note where the variable was declared.
677 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
679 PR tree-optimization/28411
680 * double-int.c (double_int_div): Use double_int_divmod.
681 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
682 double_int_mod, double_int_smod, double_int_umod): New functions.
683 * double-int.h (double_int_divmod, double_int_sdivmod,
684 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
686 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
688 (get_computation_aff, get_computation_cost_at): Handle double_int
689 return type of constant_multiple_of.
691 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
694 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
695 an implicit conversion.
697 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
699 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
701 2006-08-27 Roger Sayle <roger@eyesopen.com>
703 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
706 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
708 * config/i386/crtfastmath.c: Fix a comment typo.
710 2006-08-26 Roger Sayle <roger@eyesopen.com>
712 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
713 temporary visit flags on CASE_LABEL_EXPRs.
714 * c-common.c (match_case_to_enum): Add function comment. Avoid
715 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
716 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
717 CASE_HIGH_SEEN for enumerated types. If the switch expression is
718 a constant, only warn if that constant value isn't handled.
720 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
723 * input.h (restore_input_file_stack): Declare.
724 (INPUT_FILE_STACK_BITS): Define.
725 * toplev.c (fs_p, input_file_stack_history,
726 input_file_stack_restored, restore_input_file_stack): New.
727 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
728 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
729 (pop_srcloc): Don't free old state of stack.
731 2006-08-26 David Edelsohn <edelsohn@gnu.org>
734 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
735 (PowerPC Type Attributes): New.
737 2006-08-26 Bob Wilson <bob.wilson@acm.org>
739 * config/xtensa/xtensa.c (function_arg_boundary): New.
740 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
742 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
743 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
745 2006-08-26 Jakub Jelinek <jakub@redhat.com>
748 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
751 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
753 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
754 (verify_local_live_at_start): Likewise.
756 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
759 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
760 omp_add_variable): Treat sizes as variable whenever not
763 2006-08-26 Richard Guenther <rguenther@suse.de>
766 * fold-const.c (fold_binary): Fold temporary to correct
767 type before constructing new comparison.
769 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
772 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
773 variable again if DECL_SEEN_IN_BIND_EXPR_P.
775 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
778 * c-decl.c (start_function): Don't try to process prototype
779 information from old declaration that isn't a function.
781 2006-08-25 Jan Hubicka <jh@suse.cz>
784 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
786 2006-08-25 Alan Modra <amodra@bigpond.net.au>
789 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
792 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
794 PR tree-optimization/16876
795 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
796 exit if PARM doesn't match VALUE.
798 2006-08-25 Bob Wilson <bob.wilson@acm.org>
800 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
801 literal_prefix directive.
802 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
803 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
804 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
806 2006-08-25 David Edelsohn <edelsohn@gnu.org>
809 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
810 predicate to general_operand. Add 0->y and I->r alternatives.
812 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
814 * doc/tm.texi: Fix a typo.
815 * predict.c: Fix comment typos.
817 2006-08-25 Nick Clifton <nickc@redhat.com>
819 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
820 assertions of "cpu" and "machine".
822 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
825 * tree-ssa-operands.c (access_can_touch_variable): Don't say
826 the access through a base which has an alias set of 0 cannot
829 2006-08-24 Bill Wendling <wendling@apple.com>
831 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
833 2006-08-24 Jan Hubicka <jh@suse.cz>
835 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
837 2006-08-24 Jan Hubicka <jh@suse.cz>
840 * cgraph.c: Fix comments.
841 (cgraph_varpool_mark_needed_node): Mark only variables not already
843 * cgraphunit.c: Update comments; include gt-cgraphunit.h
844 (cgraph_varpool_assembled_nodes_queue): New static variable.
845 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
846 (cgraph_varpool_output_debug_info): New function.
847 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
848 * Makefile.in: Add gt-cgraphunit.h
850 2006-08-24 Jan Hubicka <jh@suse.cz>
852 * predict.c (probability_reliable_p): New predicate.
853 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
854 (predict_loops): Do not predict loop exit with less than 2%
856 * basic-block.h (edge_probability_reliable_p,
857 br_prob_note_reliable_p): Declare.
858 * ia64.h (ia64_print_operand): Do not disable on-chip branch
859 prediction when static predictor is not reliable.
860 * rs6000.c (output_cbranch): Likewise.
862 2006-08-23 Stuart Hastings <stuart@apple.com>
865 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
866 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
868 2006-08-21 Geoffrey Keating <geoffk@apple.com>
871 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
872 complex values, nor for generic vector values.
874 2006-08-22 Richard Guenther <rguenther@suse.de>
877 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
878 parameter. Convert arguments to arithmetic expression to the
880 (analyze_scalar_evolution_1): Adjust caller.
882 2006-08-22 Jan Hubicka <jh@suse.cz>
884 Patch by Paolo Bonzini
885 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
888 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
890 PR tree-optimization/28003
891 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
892 before grouping aliases.
894 2006-08-22 Roger Sayle <roger@eyesopen.com>
896 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
897 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
899 2006-08-21 Jason Merrill <jason@redhat.com>
902 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
903 wrapper. Loop to handle nested wrappers.
904 (gimplify_bind_expr): Remove temp parameter.
905 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
906 and STATEMENT_LIST on the rhs.
907 (gimplify_statement_list): Voidify the STATEMENT_LIST.
908 (gimplify_expr): Pass pre_p to gimplify_statement_list.
909 (gimplify_target_expr): Remove special BIND_EXPR handling.
911 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
913 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
916 2006-08-21 Olivier Hainque <hainque@adacore.com>
918 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
919 Arrange for the temporary captures of components overlapping the lhs
920 to happen before the lhs is possibly cleared.
922 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
924 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
925 necessary places to pass the correct "number of registers" values
928 2006-08-20 Jan Hubicka <jh@suse.cz>
930 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
931 (create_name_tags): Instead of quadratic checking use hashtable.
932 * bitmap.h: Include hashtab.h.
933 (bitmap_hash): Declare.
934 * bitmap.c (bitmap_hash): New function.
936 2006-08-20 Jan Hubicka <jh@suse.cz>
938 PR rtl-optimization/28071
939 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
941 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
942 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
943 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
944 cgraph_decide_inlining_incrementally): Update use of
945 cgraph_check_inline_limits.
946 * cgraph.c (edge_hash, edge_eq): New function.
947 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
948 cgraph_edge_remove_caller, cgraph_node_remove_callees,
949 cgraph_remove_node): Maintain call site hash.
950 * cgraph.h (struct cgraph_node): Add call_site_hash.
951 (cgraph_set_call_stmt): New function.
953 2006-08-20 Jan Hubicka <jh@suse.cz>
955 PR rtl-optimization/28071
956 * reload1.c (reg_has_output_reload): Turn into regset.
957 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
958 choose_reload_regs, emit_reload_insns): Update to new
959 reg_has_output_reload.
961 2006-08-20 Jan Hubicka <jh@suse.cz>
964 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
966 * cgraphunit.c (cgraph_analyze_function): Don't do so.
968 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
971 * tree.c (handle_dll_attribute): Return early if not a
972 var or function decl.
974 2006-08-18 Joseph Myers <joseph@codesourcery.com>
977 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
978 alignment of SPE vector types.
980 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
982 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
984 2006-08-17 Jakub Jelinek <jakub@redhat.com>
987 * cgraph.h (struct cgraph_node): Remove externally_visible
989 * cgraphunit.c (process_function_and_variable_attributes): Set
990 local.externally_visible rather than externally_visible.
993 * c-common.c (handle_externally_visible_attribute): First look
994 at TREE_CODE and only if it is function or var decl, check for
995 non-public objects. Don't warn for DECL_EXTERNAL.
996 * cgraphunit.c (process_function_and_variable_attributes): Warn
997 if externally_visible attribute is used on non-public object.
999 2006-08-17 Jan Hubicka <jh@suse.cz>
1001 PR tree-optimization/27865
1002 * reload1.c (forget_marked_reloads): New function.
1003 (forget_old_reloads_1): When data are passed, just mark the registers
1005 (reload_as_needed): Use the new mechanizm.
1007 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1010 * reload.h (reg_equiv_alt_mem_list): New declaration.
1011 * reload1.c (reg_equiv_alt_mem_list): New definition.
1012 (reload): Initialize it and release it.
1013 (delete_output_reload): Use it.
1014 * reload.c (push_reg_equiv_alt_mem): New function.
1015 (find_reloads_toplev): Call it.
1016 (find_reloads_address, find_reloads_address_1): Likewise.
1017 (find_reloads_subreg_address): Likewise.
1019 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1021 PR rtl-optimization/28489
1022 * sched-ebb.c (begin_schedule_ready): Create basic block
1024 (advance_target_bb): Skip empty blocks.
1025 * haifa-sched.c (bb_note): Make global.
1026 * sched-int.h (bb_note): Add prototype.
1028 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1030 PR tree-optimization/27865
1031 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1033 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1034 fold_used_pointer, pointer_used_p): New functions.
1035 (analyze_scalar_evolution_1): Use fold_used_pointer.
1036 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1037 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1040 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1043 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1044 or the INTEGER_CST. Fail on a CALL_EXPR.
1045 (fold_offsetof): Pass new argument to fold_offsetof_1.
1046 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1047 operand into an INDIRECT_REF.
1048 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1050 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1052 PR gcov/profile/26570
1053 * value-prof.c (static_values): Removed.
1054 (tree_find_values_to_profile): Do not set static_values.
1055 (find_values_to_profile): Do not free static_values.
1056 * profile.c (instrument_values): Do not free the values.
1057 (branch_prob): Free the values.
1059 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1061 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1063 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1066 * c-typeck.c (build_component_ref): Combine qualifiers of
1067 structure or union and field.
1069 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1071 PR rtl-optimization/28071
1072 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1073 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1074 * tree-into-ssa.c (struct dom_dfsnum): New.
1075 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1077 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1078 compute_global_livein.
1079 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1080 in phi nodes in the correct blocks.
1082 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1084 PR tree-optimization/28364
1085 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1087 (fold_affine_expr): New function.
1088 (may_eliminate_iv): Use fold_affine_expr.
1090 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1093 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1096 2006-08-16 Mike Stump <mrs@apple.com>
1098 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1099 * doc/cppopts.texi (-MD): Likewise.
1101 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1104 * c-common.c (handle_weak_attribute): Ignore and warn if
1105 not a FUNCTION_ or VAR_DECL.
1107 2006-07-15 Mike Stump <mrs@apple.com>
1110 * c-parser.c (c_parser_typeof_specifier): Don't use
1111 c_finish_expr_stmt, open code desired semantics instead.
1113 2006-08-15 Nick Clifton <nickc@redhat.com>
1115 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1116 fragment to tmake_file only if threads are enabled.
1117 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1118 * config/i386/t-gthr-win32: New file. ... here.
1120 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1123 * c-parser.c (c_parser_compound_statement_nostart): Reset
1124 parser->error after each statement.
1126 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1129 * omp-low.c (lower_omp_parallel): Convert t to
1130 receiver_decl's type.
1131 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1132 source before comparison.
1135 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1136 to itype in assignment to oldival2.
1138 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1142 * c-typeck.c (build_compound_expr): If the second expression
1143 is an error mark, then just return an error mark instead of
1144 creating a COMPOUND_EXPR.
1146 2006-07-14 Mike Stump <mrs@apple.com>
1148 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1150 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1152 * c-decl.c, var-tracking.c: Fix comment typos.
1154 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1156 PR rtl-optimization/28634
1157 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1158 for floating-point modes unless flag_unsafe_math_optimizations.
1160 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1161 Andrew Pinski <pinskia@physics.uc.edu>
1164 * tree.c (build_array_type): Unify array types with
1165 unspecified index_type.
1166 * c-decl.c (grokdeclarator): Make sure we do not modify a
1167 unified incomplete array type.
1168 * c-typeck.c (store_init_value): Create distinct type before
1169 filling in the index type in an initializer from a compound
1172 * c-decl.c (grokdeclarator): Remove code where we copy the
1175 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1177 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1178 into account for TODO_dump_cgraph.
1179 (TODO_update_ssa_no_phi): Likewise.
1180 (TODO_update_ssa_full_phi): Likewise.
1181 (TODO_update_ssa_only_virtuals): Likewise.
1182 (TODO_remove_unused_locals): Likewise.
1183 (TODO_set_props): Likewise.
1184 (TODO_update_stmt_usage): Likewise.
1186 2006-08-13 Dirk Mueller <dmueller@suse.de>
1188 * c-common.c (strict_aliasing_warning): Fix formatting.
1190 2006-08-13 Matthias Klose <doko@debian.org>
1192 * doc/invoke.texi: Fix spelling errors.
1194 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1196 PR rtl-optimization/23454
1197 * reorg.c (relax_delay_slots): Update comment.
1199 2006-08-11 Richard Guenther <rguenther@suse.de>
1202 * simplify-rtx.c (simplify_const_relational_operation):
1203 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1206 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1208 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1209 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1211 2006-08-10 Paul Brook <paul@codesourcery.com>
1213 * final.c (final_scan_insn): Clear current_insn_predicate before
1214 outputting inline asm.
1216 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1218 PR tree-optimization/26197
1219 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1220 get_ref_base_and_extent and overlap_subvar to add only relevant
1221 subvars as may-aliases.
1222 (add_may_alias_for_new_tag): New function, factored out of
1224 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1225 with additional argument.
1226 * tree-flow.h (new_type_alias): Takes additional argument.
1228 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1230 * gcov.c (no_data_file): New flag.
1231 (read_count_file): Set it if data file not present. Assume counts
1233 (output_lines): Don't name the data file, if there wasn't one.
1235 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1237 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1238 (rs6000_generate_compare): Tweak comments.
1239 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1241 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1243 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1244 (var_debug_decl): New function.
1245 (var_reg_set): Follow debug decl link. Add location even if
1246 reg is already known to hold some other variable.
1247 (var_mem_set): Follow debug decl link.
1248 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1249 decl link. Delete other known locations of the variable part
1251 (var_reg_delete, var_mem_delete): Delete other known locations
1252 of the variable part if requested.
1253 (same_variable_part_p): New function.
1254 (add_stores): Select MO_COPY when appropriate.
1255 (vt_initialize): Handle it.
1256 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1257 known locations for MO_SET and MO_CLOBBER.
1258 (find_variable_location_part): New function.
1259 (set_variable_part, delete_variable_part): Use it.
1260 (clobber_variable_part): New function.
1261 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1264 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1266 PR tree-optimization/26969
1267 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1268 with an empty list of PHIs.
1270 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1274 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1277 2006-08-06 Andreas Schwab <schwab@suse.de>
1279 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1280 string. Whitespace and comment fixup.
1282 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1285 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1289 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1292 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1294 2006-08-04 Jan Hubicka <jh@suse.cz>
1298 * reload.c (push_reload): Patch out the mismatching instruction;
1300 (find_reload): Bail out if the instruction was patched out.
1302 2006-08-04 Jan Hubicka <jh@suse.cz>
1304 PR tree-optimization/24888
1305 * tree-inline.c (expand_call_inline): Do not re-record variables.
1306 (declare_inline_vars): Add variable to unexpanded_var_list.
1308 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1309 Roger Sayle <roger@eyesopen.com>
1311 PR rtl-optimization/26244
1312 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1313 inner_const are negative or greater than or equal to the bitsize of
1314 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1315 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1316 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1317 CONST0_RTX (mode) when the new shift count is greater than or equal to
1318 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1321 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1323 * tree-cfg.c: Fix a comment typo.
1325 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1328 * varasm.c (output_constant): Give the front end another chance to
1329 expand constants, after stripping NOPs.
1331 2006-08-03 Jan Hubicka <jh@suse.cz>
1333 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1336 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1338 PR tree-optimization/27770
1339 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1340 declaration removed (moved to tree-flow.h).
1341 (vect_can_force_dr_alignment_p): Likewise.
1342 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1343 (moved from tree-vectorizer.h).
1344 (vect_can_force_dr_alignment_p): Likewise.
1345 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1346 from outside the vectorizer - in particular from cgraph stage.
1347 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1348 the alignment of global arrays when -fsection-anchors is enabled.
1349 * cgraphunit.c (cgraph_increase_alignment): New function.
1350 (cgraph_optimize): Call cgraph_increase_alignment.
1352 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1355 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1356 not reload a SPE symbol_ref into a lo_sum address.
1358 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1361 * dwarf2out.c (prune_unused_types_prune): Move call to
1362 prune_unused_types_update_strings to cover the parent DIE also.
1364 2006-08-02 Jan Hubicka <jh@suse.cz>
1366 PR gcov/profile/28480
1367 * tree-cfg.c (change_bb_for_stmt): New function.
1368 (tree_merge_blocks, tree_split_blocks): Use it.
1370 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1376 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1377 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1378 (cgraph_optimize): Likewise.
1380 2006-08-01 Stuart Hastings <stuart@apple.com>
1382 * rtl.h (UINTVAL) New.
1383 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1384 * testsuite/gcc.dg/20060801-1.c: New.
1386 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1389 * c-typeck.c (build_external_type): Mark used enum types.
1390 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1392 (gen_subprogram_die): Whitespace fix.
1394 2006-08-01 Jan Hubicka <jh@suse.cz>
1396 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1397 bitmap when not needed.
1398 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1401 2006-08-01 Dirk Mueller <dmueller@suse.de>
1403 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1405 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1407 * Makefile.in: Revert part of previous patch:
1408 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1411 2006-07-30 Eric Christopher <echristo@apple.com>
1414 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1415 (PowerPC Variable Attributes): New section.
1417 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1419 PR target/28126 (partial fix)
1420 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1422 2006-07-28 Jan Hubicka <jh@suse.cz>
1424 PR rtl-optimization/28071
1425 * cfgrtl.c (rtl_delete_block): Free regsets.
1426 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1428 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1430 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1431 and variables used in dependencies.
1433 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1435 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1436 %fs for -mcmodel=kernel.
1437 (stack_tls_protect_test_di): Likewise.
1439 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1441 * Makefile.in: Use mkinstalldirs.
1443 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1446 * opts-common.c (prune_options): Skip joined switches.
1448 2006-07-27 Jan Hubicka <jh@suse.cz>
1450 PR rtl-optimization/28071
1451 * cselib.c (cselib_process_insn): Don't remove useless values too
1452 often for very large hashtables.
1454 2006-07-27 Jan Hubicka <jh@suse.cz>
1456 PR rtl-optimization/28071
1457 * global.c (greg_obstack): New obstack.
1458 (allocate_bb_info): Use it.
1459 (free_bb_info): Likewise.
1460 (modify_reg_pav): Likewise.
1462 2006-07-27 Roger Sayle <roger@eyesopen.com>
1464 * builtins.c (fold_fixed_mathfn): When long and long long are the
1465 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1466 functions to their lceil*, lfloor*, lround* and lrint* forms.
1468 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1471 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1473 (rev_branch_insn): Likewise.
1475 2006-07-27 Jan Hubicka <jh@suse.cz>
1477 PR rtl-optimization/28071
1478 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1479 (reg_set_in_bb, max_reg_computed): New static variables.
1480 (regmove_optimize): Free the new array.
1481 (fixup_match_1): Update call of reg_is_remote_constant_p.
1483 2006-07-26 Jan Hubicka <jh@suse.cz>
1485 PR tree-optimization/27882
1486 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1488 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1490 (cgraph_analyze_compilation_unit): Likewise.
1491 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1492 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1493 (cgraph_early_inlinine): Make order garbage collected.
1494 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1496 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1498 * dbxout.c (output_types_sort): Add a comment.
1499 (output_used_types): Free the VEC.
1501 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1503 * function.c (reorder_fix_fragments): Delete.
1504 (reorder_blocks): Don't call it.
1505 (reorder_blocks_1): Put all subblocks under the origin block.
1507 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1509 PR rtl-optimization/27907
1510 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1513 2006-07-25 Roger Sayle <roger@eyesopen.com>
1516 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1517 bar(x) check that bar's result type can represent all the values of T.
1519 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1521 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1523 2006-07-25 Nick Clifton <nickc@redhat.com>
1525 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1526 size_lookup[] array.
1527 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1528 (ggc_pch_count_object): Likewise.
1529 (ggc_pch_alloc_object): Likewise.
1530 (ggc_pch_write_object): Likewise.
1531 (init_ggc): Do not attempt to initialize entries in the
1532 size_lookup[] array for objects whose size is greater than than
1533 the length of the array.
1535 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1537 * dbxout.c (output_used_types_helper): Push queued types
1539 (output_types_sort): New.
1540 (output_used_types): Collect used types on a VEC and sort them
1543 2006-07-24 Richard Guenther <rguenther@suse.de>
1546 * cgraph.c (cgraph_remove_node): Do not check if dumps
1548 * cgraphunit.c (cgraph_optimize): Likewise.
1550 2006-07-24 Jan Hubicka <jh@suse.cz>
1552 PR rtl-optimization/28071
1553 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1554 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1555 splitting before first stmt.
1557 2006-07-24 Jan Hubicka <jh@suse.cz>
1559 PR rtl-optimization/28071
1560 * ipa-inline.c (update_caller_keys): Remove edges that
1561 are no longer inline candidates.
1563 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1566 * dbxout.c (output_used_types_helper, output_used_types): New.
1567 (dbxout_symbol): Call output_used_types.
1569 2006-07-23 Jan Hubicka <jh@suse.cz>
1573 * cgraph.c (cgraph_varpool_nodes): Export.
1574 (decide_is_variable_needed): Ignored "used" attribute in
1575 unit-at-a-time mode.
1576 * cgraph.h (cgraph_varpool_nodes): Declare.
1577 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1578 unit-at-a-time mode.
1580 2006-07-23 Roger Sayle <roger@eyesopen.com>
1583 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1584 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1585 the __gthrw form of thr_keycreate.
1586 (__gthread_key_delete): Silence the unused argument warning.
1588 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1591 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1592 Cache the last found '\0' marker to avoid quadratic behavior.
1594 2006-07-23 Jan Hubicka <jh@suse.cz>
1596 * i386.md (subsi_3_zext): Fix output template.
1598 2006-07-21 Mike Stump <mrs@apple.com>
1600 * doc/invoke.texi (C++ Dialect Options): Note that
1601 -fvisibility-inlines-hidden doesn't affect explicitly
1602 instantiationed inline methods.
1604 2006-07-20 Roger Sayle <roger@eyesopen.com>
1606 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1607 if the target assembler is GNU binutils' gas.
1608 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1609 whether to pass GNU gas or native as command line options.
1611 2006-07-20 Jason Merrill <jason@redhat.com>
1613 * tree.c (remove_attribute): New fn.
1614 * tree.h: Declare it.
1616 2006-07-20 Paul Brook <paul@codesourcery.com>
1619 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1620 they are invalidated by this instruction.
1622 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1625 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1627 2006-07-20 Eric Christopher <echristo@apple.com>
1630 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1632 2006-07-19 Eric Christopher <echristo@apple.com>
1634 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1635 Rewrite dependencies for libgcc_s.1.dylib.
1637 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1639 * except.c (duplicate_eh_regions_1): Clear next_peer.
1641 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1643 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1644 -mlongcall does not guarantee all calls will be long.
1645 * doc/extend.texi (long_call/short_call): Document that longcall
1646 does not guarantee a long call will be used.
1647 (longcall/shortcall): Likewise.
1649 2006-07-18 Roger Sayle <roger@eyesopen.com>
1652 * expmed.c (expand_shift): Additionally check that the shift_cost
1653 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1654 before implementing a LSHIFT_EXPR as a sequence of additions.
1655 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1656 middle-end that DImode shifts need to be synthesized by expand.
1658 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1661 * tree-ssa-operands.c (access_can_touch_variable): Update
1663 Return true if ALIAS is .GLOBAL_VAR.
1665 2006-07-18 David Daney <ddaney@avtrex.com>
1667 * gcc.c (display_help): Fix typo in help text.
1669 2006-07-18 Olivier Hainque <hainque@adacore.com>
1671 * tree.h (categorize_ctor_elements): Adjust prototype and add
1672 descriptive comment, both in accordance with the interface change
1674 * varasm.c (constructor_static_from_elts_p): New function.
1675 Whether a constructor node is a valid static constant initializer
1676 if all its elements are.
1677 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1678 * output.h: Declare it.
1679 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1680 is a valid constant initializer instead of computing the number of
1681 non-constant elements. Use constructor_static_from_elts_p for this
1682 purpose. Replace the head comment with an indication that this is a
1683 helper for categorize_ctor_elements.
1684 (categorize_ctor_elements): Same interface change as for the _1
1685 helper. Former head comment from this helper moved here, adjusted to
1686 account for the interface changes.
1687 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1688 (all_zeros_p): Likewise.
1689 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1690 static versions of the constructor from the categorize_ctor_elements
1691 return value instead of the formerly computed number of non-constant
1694 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1696 * configure: Regenerate.
1697 * Makefile.in (build_libsubdir): New configure substitution
1698 (build_libobjdir): New variable.
1699 (BUILD_LIBIBERTY): Use it.
1701 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1704 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1706 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1709 * c-common.c (handle_weakref_attribute): Ignore attribute in
1710 the same conditions the alias attribute is ignored.
1712 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1714 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1715 (dbxout_begin_prologue): Increment scope_labelno.
1717 2006-07-17 Richard Henderson <rth@redhat.com>
1720 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1723 2006-07-17 Roger Sayle <roger@eyesopen.com>
1724 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1726 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1727 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1728 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1729 functions such as sbrk, write, etc.. Add function prototypes.
1730 Convert function declarations from K&R to ISO C. Cast pointers
1731 to "long" and "unsigned long" instead of "int" and "unsigned int".
1732 Convert tokens following #endif into comments.
1734 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1736 * invoke.texi: Remove mention of f77; Reformat table for
1737 inline parameter options correctly; mention that -malign-double
1738 is default on x86-64 targets.
1740 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1742 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1743 (convert_affine_scev, chrec_convert_aggressive): Use
1744 avoid_arithmetics_in_type_p. Do not check for the subtypes
1747 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1750 * optabs.c (expand_doubleword_shift): Wrap the call to
1751 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1753 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1756 * optabs.c (expand_binop): Pass next_methods rather than methods
1757 to expand_doubleword_shift.
1759 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1762 * tree.h (dump_addr): Declare.
1763 * print-tree.c (dump_addr): New function.
1764 (print_node_brief, print_node): Use it.
1765 * print-rtl.c (print_rtx): Likewise.
1766 * common.opt (-fdump-noaddr): New option.
1767 * doc/invoke.texi (-fdump-noaddr): Document.
1768 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1769 (ve_info_hash): Likewise.
1771 2006-07-13 Andrew Haley <aph@redhat.com>
1773 PR tree-optimization/19505
1774 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1775 edge leaving this block, make sure that the destination of this
1776 block has only one predecessor.
1778 2006-07-17 Richard Guenther <rguenther@suse.de>
1780 PR tree-optimization/28238
1781 * tree-inline.c (copy_bb): Check if we produced valid
1782 gimple copying and substituting a stmt. If not, gimplify
1785 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1787 * optabs.c (maybe_encapsulate_block): New function extracted from...
1788 (emit_libcall_block): ...here. Invoke it on the block of insns to
1789 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1790 (emit_no_conflict_block): Likewise.
1792 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1794 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1796 2006-07-15 Roger Sayle <roger@eyesopen.com>
1798 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1799 a new NOP_EXPR case of the switch statement.
1801 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1804 * stor-layout.c (place_field): Take the bit field with
1805 an excessive size into account in the ms-bitfiled case.
1808 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1809 the previous bit field.
1811 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1814 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1816 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1818 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1819 signal frames correctly even when the signal was installed with
1822 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1824 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1825 (dbxout_function_end): Use local label LFBB. Remove hook
1827 (dbxout_source_line): Use local label LFBB.
1828 (dbxout_block): Likewise.
1829 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1830 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1831 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1832 and DBX_OUTPUT_NFUN.
1834 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1836 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1838 2006-07-13 Jan Hubicka <jh@suse.cz>
1840 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1842 * output.h (align_variable): Declare.
1843 * varasm.c (align_variable): Export.
1844 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1845 when basic block changed.
1847 2006-07-13 Nick Clifton <nickc@redhat.com>
1849 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1850 walking the LOG_LINKS chain.
1852 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1854 * doc/invoke.texi (C++ Dialect Options): Explain difference
1855 between -fvisibility-inlines-hidden and setting hidden
1856 visibility explicitly.
1858 2006-07-12 Eric Christopher <echristo@apple.com>
1860 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1861 (stmp-lipo): Depend on libgcc.a.
1863 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1865 * tree.c: Fix a comment typo.
1867 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1869 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1871 (umulhisi3_r): Likewise.
1873 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1876 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1877 x < 19, vs wchar_t support.
1879 2006-07-12 Nick Clifton <nickc@redhat.com>
1881 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1882 instead of -isa=sh4.
1884 2006-07-12 Mike Stump <mrs@apple.com>
1886 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1888 2006-07-10 Eric Christopher <echristo@apple.com>
1890 * config/t-slibgcc-darwin: Rewrite.
1892 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1895 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1898 2006-07-08 Matthias Klose <doko@debian.org>
1900 * doc/sourcebuild.texi: Fix typo.
1902 2006-07-07 Mike Stump <mrs@apple.com>
1904 * toplev.c (process_options): Don't give -ffunction-sections may
1905 affect debugging warning for Mach-O.
1907 2006-07-07 James E Wilson <wilson@specifix.com>
1909 * config/mips/mips.md (cpu): Add sb1a.
1910 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1911 addition to sb1. Adjust comments to clarify SB-1A differences from
1913 (ir_sb1a_load): New. Modify bypasses to use it.
1914 (ir_sb1a_simple_alu): Likewise.
1915 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1916 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1917 (mips_issue_rate): Add PROCESSOR_SB1A.
1918 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1919 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1920 (TARGET_SB1): Add PROCESSOR_SB1A check.
1921 (TUNE_SB1): Likewise.
1923 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1924 * config/mips/mips.c (mips_store_data_bypass_p): New.
1925 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1926 store_data_bypass_p.
1928 2006-07-08 Paul Brook <paul@codesourcery.com>
1931 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1933 2006-07-07 Richard Guenther <rguenther@suse.de>
1936 * tree.h (build_one_cst): Declare.
1937 * tree.c (build_one_cst): New function.
1938 * tree-ssa-math-opts.c (get_constant_one): Remove.
1939 (insert_reciprocals): Use build_one_cst.
1940 * fold-const.c (fold_plusminus_mult): Likewise.
1942 2006-07-07 Roger Sayle <roger@eyesopen.com>
1944 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1945 * cfgloopanal.c (dump_graph): Likewise.
1946 * dojump.c (discard_pending_stack_adjust): Likewise.
1947 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1949 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1950 * function.c (finalize_block_changes): Likewise.
1951 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1952 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1953 * rtl.c (dump_rtx_statistics): Likewise.
1954 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1956 * varray.c (dump_varray_statistics): Likewise.
1957 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1958 decode_decimal64, encode_decimal128, decode_decimal128,
1959 decimal_real_to_decimal): Likewise.
1961 2006-07-07 Richard Guenther <rguenther@suse.de>
1963 PR tree-optimization/28187
1964 * tree-vrp.c (vrp_operand_equal_p): New function.
1965 (vrp_bitmap_equal_p): Likewise.
1966 (update_value_range): Use them to compare old and new
1969 2006-07-06 Roger Sayle <roger@eyesopen.com>
1971 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1972 a default case to switch statement to silence compiler warnings.
1974 2006-07-06 Roger Sayle <roger@eyesopen.com>
1977 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1978 the configured assembler supports the x87's ffreep mnemonic.
1979 * configure: Regenerate.
1980 * config.in: Regenerate.
1982 * config/i386/i386.c (output_387_ffreep): New function.
1983 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1984 (output_387_reg_move): Likewise.
1986 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1988 Port to hosts whose 'sort' and 'tail' implementations
1989 treat operands with leading '+' as file names, as POSIX
1990 has required since 2001. However, make sure the code still
1991 works on pre-POSIX hosts.
1992 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1993 which says you should use "tail -c +N" rather than "tail +Nc".
1994 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1996 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1998 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2001 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2004 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2005 PRE_{INC,DEC} of TFmode.
2007 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2008 Alan Modra <amodra@bigpond.net.au>
2011 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2014 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2017 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2018 Remove duplicate gtu.
2020 2006-07-05 Jason Merrill <jason@redhat.com>
2024 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2025 * c-common.c (handle_packed_attribute): So don't copy it here.
2026 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2028 2006-07-05 Mike Stump <mrs@apple.com>
2030 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2032 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2035 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2037 2006-07-05 Richard Guenther <rguenther@suse.de>
2040 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2041 TARGET_SSE2 targets if using SSE math.
2042 (*absdf2_1): Likewise.
2044 2006-07-05 Richard Guenther <rguenther@suse.de>
2046 PR tree-optimization/28162
2047 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2048 make sure to convert the operands to the correct type.
2050 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2052 PR tree-optimization/28218
2054 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2055 to calculate and free the dominator information.
2057 2006-07-04 Peter O'Gorman <peter@pogma.com>
2059 * mklibgcc.in: chmod 644 before ranlib during install.
2061 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2062 J"orn Rennecke <joern.rennecke@st.com>
2064 * configure.ac (.eh_frame data check): Use diff -b.
2066 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2069 * Makefile.in (BUILD_RTL): Add build/vec.o.
2070 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2071 (build/genextract): Delete.
2072 (build/genautomata): Likewise.
2074 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2077 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2078 128-bit IBM long doubles for ABI_V4.
2080 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2082 * tree.c (range_in_array_bounds_p): New predicate.
2083 * tree.h (range_in_array_bounds_p): Declare it.
2084 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2085 return a less conservative answer.
2086 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2087 and flag 'is_group'.
2088 (IS_ELEMENT_FOR_GROUP): New macro.
2089 (FOR_EACH_ACTUAL_CHILD): Likewise.
2090 (next_child_for_group): New helper function.
2091 (can_completely_scalarize_p): Take into account groups.
2092 (sra_hash_tree): Handle RANGE_EXPR.
2093 (sra_elt_eq): Likewise.
2094 (lookup_element): Be prepared for handling groups.
2095 (is_valid_const_index): Delete.
2096 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2097 instead of is_valid_const_index.
2098 <ARRAY_RANGE_REF>: New case.
2099 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2100 is_valid_const_index.
2101 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2102 (scan_dump): Dump info for groups too.
2103 (decide_instantiation_1): Likewise.
2104 (decide_block_copy): Assert that the element is not a group.
2105 Propagate decision to groups.
2106 (generate_one_element_ref): Handle RANGE_EXPR.
2107 (mark_no_warning): Iterate over actual childs.
2108 (generate_copy_inout): Likewise.
2109 (generate_element_copy): Likewise.
2110 (generate_element_zero): Likewise.
2111 (generate_element_init_1): Likewise.
2112 (dump_sra_elt_name): Handle RANGE_EXPR.
2114 2006-07-03 Roger Sayle <roger@eyesopen.com>
2116 PR tree-optimization/26251
2117 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2118 (thread_block): When optimizing for size refuse to thread jumps
2119 that would require duplication of blocks other than redirection
2122 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2124 * configure.ac: Fix thinko in previous check-in.
2125 * configure: Regenerate.
2127 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2130 * configure.ac (for lang...): Simplify nesting of conditionals.
2131 Test subdir_requires for non-enabled languages. Move processing
2132 of lang_opt_files and lang_tree_fiels below that test.
2133 * configure: Regenerate.
2134 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2136 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2138 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2140 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2142 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2145 2006-06-29 Jason Merrill <jason@redhat.com>
2152 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2153 * c-common.c (c_determine_visibility): Handle it here.
2154 * c-decl.c (finish_decl): Call c_determine_visibility for
2156 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2158 * varasm.c (default_assemble_visibility): Likewise.
2159 * c-common.c (handle_visibility_attribute): Complain about trying
2160 to give visibility to an already defined class, or trying to change
2161 declared visibility. Always attach the attribute.
2166 * attribs.c (decl_attributes): Ignore type-in-place attributes
2167 once the type has been defined.
2169 2006-06-29 Roger Sayle <roger@eyesopen.com>
2172 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2173 to indicate the cpplib has issued an error message for us.
2175 2006-06-29 Asher Langton <langton2@llnl.gov>
2178 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2179 insert a label at the end of an function under Mach-O.
2181 2006-06-29 Eric Christopher <echristo@apple.com>
2182 Evan Cheng <evan.cheng@apple.com>
2184 * predicates.md (vector_all_ones_operand): New.
2185 (nonimmediate_or_sse_const_operand): Ditto.
2186 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2187 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2188 (standard_sse_mode_p): Ditto.
2189 (standard_sse_constant_p): Add case for -1 vector.
2190 (ix86_expand_vector_move): Try to use.
2191 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2192 Call standard_sse_constant_opcode.
2193 (*movv4sf_internal): Ditto.
2194 (*movv2df_internal): Ditto.
2196 2006-06-29 Roger Sayle <roger@eyesopen.com>
2198 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2199 of XEXP to extract the operands of a MATCH_CODE rtx.
2201 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2203 * tree.c (tree_size): Do not waste tail padding in
2204 struct tree_string and make the size be the same as
2205 build_string will generate.
2207 2006-06-28 Jason Merrill <jason@redhat.com>
2210 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2211 may_aliases already in the tag's annotations to the bitmap.
2213 2006-06-28 Roger Sayle <roger@eyesopen.com>
2215 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2217 2006-06-28 Roger Sayle <roger@eyesopen.com>
2219 * genpreds.c (generate_switch_p): New function.
2220 (add_mode_tests): Push the new mode test down inside an AND expr
2221 if this allows the switch-suitable MATCH_CODE to be near the root.
2222 (write_match_code_switch): New function to write a MATCH_CODE as
2224 (write_predicate_stmts): New function to write a predicate RTX
2225 expression as a sequence of statements.
2226 (write_one_predicate_function): Use write_predicate_stmts.
2227 (write_tm_constrs_h): Likewise.
2229 2006-06-26 Fred Fish <fnf@specifix.com>
2231 * config/mips/t-sb1: New file.
2232 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2235 2006-06-26 DJ Delorie <dj@redhat.com>
2237 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2239 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2240 Jayant Sonar <jayants@kpitcummins.com>
2241 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2243 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2244 (subsi3, subsi3_1, subsi3_2): New.
2245 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2246 * config/m32c/mov.md (SI mov peephole): New.
2247 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2248 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2250 2006-06-26 Olivier Hainque <hainque@adacore.com>
2252 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2253 a CALL_EXPR target function declaration.
2255 2006-06-26 Richard Guenther <rguenther@suse.de>
2257 * tree.c (build_string): Do not waste tail padding in
2260 2006-06-26 Richard Guenther <rguenther@suse.de>
2262 * ggc-page.c (init_ggc): Add missing element to size_lookup
2266 2006-06-23 Richard Guenther <rguenther@suse.de>
2268 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2269 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2270 alignment requests instead. Add verification code.
2271 Add struct tree_function_decl and struct tree_binfo size to
2272 extra_order_size_table. Add missing element to size_lookup
2275 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2278 * fold-const.c (const_binop): Be prepared for self returning zero.
2279 Simplify code handling complex values.
2281 2006-06-24 Olivier Hainque <hainque@adacore.com>
2283 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2284 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2287 2006-06-24 Olivier Hainque <hainque@adacore.com>
2289 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2290 ARRAY_REF, so have the callback called for the low bound expression.
2292 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2294 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2295 * c-typeck.c (c_common_type): Disallow operations on decimal float
2296 types and other float types.
2297 * convert.c (convert_to_real): Don't ignore conversions involving
2298 decimal float types.
2300 2006-06-23 Olivier Hainque <hainque@adacore.com>
2302 * tree.c (max_int_size_in_bytes): New function, inspired from
2303 code in function.c:assign_temp.
2304 * tree.h (max_int_size_in_bytes): Declare.
2305 * function.c (assign_temp): Use it.
2306 * gimplify.c (create_tmp_var): Relax the assertions on the type
2307 properties, not mandating constant size any more.
2308 (force_constant_size): New static function.
2309 (gimple_add_tmp_var): Use it, forcing variable size to a
2310 constant upper bound if it is not constant on entry.
2312 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2315 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2316 for initialization and setting of one_only flag to ...
2317 (i386_pe_encode_section_info): ...here.
2318 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2319 Recheck that the symbol has not been defined.
2321 2006-06-23 Richard Guenther <rguenther@suse.de>
2323 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2324 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2325 alignment requests instead. Add verification code.
2326 Add struct tree_function_decl and struct tree_binfo size to
2327 extra_order_size_table. Add missing element to size_lookup
2330 2006-06-22 Roger Sayle <roger@eyesopen.com>
2331 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2334 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2335 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2337 2006-06-23 Ben Elliston <bje@au.ibm.com>
2339 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2340 negate dn -- manipulate it directly.
2342 2006-06-22 Roger Sayle <roger@eyesopen.com>
2343 Steven Bosscher <stevenb.gcc@gmail.com>
2346 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2347 generated by gen_move_insn to add REG_LABEL notes if necessary.
2349 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2351 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2352 (leaf_entry): Remove use of MIN_ESA.
2354 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2356 PR rtl-optimization/28121
2357 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2360 2006-06-21 DJ Delorie <dj@redhat.com>
2362 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2364 (mulhisi3_r): Likewise.
2366 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2369 * coverage.c (coverage_counter_alloc): Leave the index type
2371 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2374 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2376 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2377 section from the "Options for Code Generation Conventions".
2379 2006-06-21 Richard Henderson <rth@redhat.com>
2383 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2385 (global_symbolic_operand): Allow weak symbols, even if local_p.
2387 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2389 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2390 (find_interesting_uses_address): Punt if above function returns true.
2392 2006-06-21 Richard Guenther <rguenther@suse.de>
2394 * configure: Regenerated.
2396 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2398 * config/mips/mips.c (function_arg): Where one part of a
2399 complex argument is in registers and the other part in the stack,
2400 return a REG not a PARALLEL.
2402 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2404 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2405 when cross-compiling. Do not substitute libstdcxx_incdir.
2406 * configure: Regenerated.
2408 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2410 * varasm.c (mergeable_string_section): Check for embedded NULs and
2411 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2412 rather than TREE_STRING_LENGTH bytes.
2414 2006-06-21 Richard Guenther <rguenther@suse.de>
2416 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2417 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2420 2006-06-21 Richrad Guenther <rguenther@suse.de>
2422 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2423 Limit iteration over the dominators.
2425 2006-06-20 Roger Sayle <roger@eyesopen.com>
2427 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2428 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2430 2006-06-20 Richard Guenther <rguenther@suse.de>
2431 Michael Matz <matz@suse.de>
2433 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2435 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2436 * et-forest.h (et_free_pools): Prototype new function.
2437 * et-forest.c (et_free_tree_force): Free parent occurrence.
2438 (et_free_pools): New function.
2439 * dominance.c (free_dominance_info): Free et-forest alloc
2442 2006-06-20 Roger Sayle <roger@eyesopen.com>
2444 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2445 integer modes, attempt to directly construct an integer constant.
2447 * fold-const.c (native_encode_vector): Determine the size of each
2448 element from the vector type instead of the first vector element.
2450 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2451 if all of its elements/components are constant.
2452 (build_constructor_from_list): Likewise.
2454 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2456 PR tree-optimization/27331
2457 * tree-data-ref.c (free_data_ref): New function.
2458 (create_data_ref): Fail if the data reference has unknown access
2460 (free_data_refs): Use free_data_ref.
2462 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2465 * tree-inline.c (setup_one_parameter): Strip useless
2466 type conversion before adding it to the IR.
2467 (declare_return_variable): Likewise.
2469 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2472 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2474 2006-06-19 Mike Stump <mrs@apple.com>
2476 * tree.c (variably_modified_type_p): VM arguments don't make the
2479 2006-06-19 Richard Guenther <rguenther@suse.de>
2481 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2482 type conversions after folding.
2484 2006-06-19 Richard Guenther <rguenther@suse.de>
2486 * ggc-page.c (extra_order_size_tab): Add entries with
2487 size of struct function and basic_block.
2488 (size_lookup): Extend to cover sizes up to 511.
2489 (ggc_alloc_stat): Adjust user.
2490 (ggc_pch_count_object): Likewise.
2491 (ggc_pch_alloc_object): Likewise.
2492 (ggc_pch_write_object): Likewise.
2494 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2496 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2497 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2500 2006-06-19 Denis Chertykov <denisc@overta.ru>
2502 * config/avr/libgcc.S : Correct my wrong previous commit.
2504 2006-06-19 Roger Sayle <roger@eyesopen.com>
2507 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2508 have stripped a SUBREG from the shift count, so we may need to
2509 convert_to_mode back to the type's mode before calling make_tree.
2510 Use new_amount instead of amount to avoid expanding a tree twice.
2512 2006-06-19 Richard Guenther <rguenther@suse.de>
2515 * fold-const.c (operand_equal_p): Check if the argument types
2516 have the same precision before stripping NOPs.
2518 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2520 Fix PR tree-optimization/27341
2521 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2523 * tree-complex.c (pass_lower_complex): Update SMT usage.
2525 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2527 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2528 Add a new alternative to the constraint strings. Add move of
2529 operand 1 to 3 to the splitter definition.
2530 ("doloop_si_long"): Second contraint alternative removed.
2532 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2534 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2535 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2537 (AVR_HAVE_MOVW) Define.
2538 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2539 (ASM_SPEC): Add avr25.
2540 (LINK_SPEC): Add avr25.
2541 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2542 (base_arch_s): Add new member 'have_movw_lpmx'.
2543 (avr_arch_types): Init 'have_movw_lpmx'.
2544 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2545 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2546 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2547 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2548 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2550 (avr_file_start): Do not output '.arh' derective.
2551 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2552 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2553 * config/avr/avr.md (mcu_enhanced): Delete.
2554 (mcu_have_movw): Define.
2555 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2556 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2557 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2558 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2559 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2560 attiny861 and at86rf401 devices.
2562 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2564 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2567 2006-06-17 Karl Berry <karl@gnu.org>
2569 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2570 doc/gccint.texi, doc/install.texi (@dircategory): Use
2571 "Software development" instead of "Programming", following
2572 the Free Software Directory.
2574 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2576 * config/i386/i386.c (legitimate_tls_address)
2577 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2578 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2579 (*tls_dynamic_gnu2_combine_64): Likewise.
2581 2006-06-16 Richard Guenther <rguenther@suse.de>
2584 * fold-const.c (negate_expr_p): Do not introduce undefined
2585 overflow in negating INTEGER_CSTs.
2586 (fold_negate_expr): Rename from negate_expr. Revert last
2587 change for folding BIT_NOT_EXPR. Change semantics to
2588 return NULL_TREE for non-simplified negations. Do not
2589 strip type conversions and unify type handling.
2590 (negate_expr): New function, wrap around fold_negate_expr
2591 but ensure building a tree always. Strip type conversions
2592 here, fold to result type.
2593 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2595 2006-06-16 Roger Sayle <roger@eyesopen.com>
2598 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2599 that (would) return their results in stack registers.
2601 2006-06-16 Michael Matz <matz@suse.de>
2602 Richard Guenther <rguenther@suse.de>
2604 * fold-const.c (fold_truthop): Only return new tree node if
2605 we canonicalized something.
2607 2006-06-16 Richard Guenther <rguenther@suse.de>
2609 * function.h (enum function_frequency): Move declaration
2610 out of struct function.
2611 (struct function): Move bool fields and the enum to the bitfield
2612 section. Reorder elements to avoid padding. Remove unused
2613 fields left over from the RTL inliner removal.
2614 * function.c (free_after_compilation): Do not zero removed fields.
2615 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2616 (ipa-type-escape.o): Likewise.
2618 2006-06-16 Richard Guenther <rguenther@suse.de>
2620 * cgraph.h (struct cgraph_local_info): Turn bool elements
2622 (struct cgraph_node): Likewise.
2623 (struct cgraph_varpool_node): Likewise.
2625 2006-06-15 Richard Guenther <rguenther@suse.de>
2627 * fold-const.c (fold_truth_not_expr): Rename from
2628 invert_truthvalue. Give it fold_* semantics to avoid
2630 (invert_truthvalue): New function. Wrapper around
2631 fold_truth_not_expr.
2632 (optimize_minmax_comparison): Avoid creating garbage.
2633 (fold_unary): Use fold_truth_not_expr for folding
2635 (fold_ternary): Replace uses of invert_truthvalue with
2636 fold_truth_not_expr where applicable.
2637 * tree.h (fold_truth_not_expr): Prototype.
2639 2006-06-16 Richard Guenther <rguenther@suse.de>
2641 PR tree-optimization/27781
2642 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2643 * ipa-pure-const.c (target.h): Include.
2644 (analyze_function): Do not analyze functions that do not
2647 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2650 * tree-dfa.c (referenced_vars_dup_list): Remove.
2651 (find_referenced_vars): Remove assert.
2652 (referenced_var_check_and_insert): Replace dup list with assert.
2653 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2654 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2656 2006-06-15 Richard Guenther <rguenther@suse.de>
2658 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2659 extra unused identifiers if not dumping.
2660 (create_variable_info_for): Likewise.
2662 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2664 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2665 (derive_constant_upper_bound): Derive more precise upper bound in
2666 common cases. Return type changed to double_int.
2667 (record_estimate): Reflect the changed return type of
2668 derive_constant_upper_bound.
2669 * double-int.c (double_int_zext, double_int_sext): Fix.
2671 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2673 * configure.ac (CFLAGS): Get them from the toplevel or from the
2674 configure invocation.
2675 * configure: Regenerate.
2676 * Makefile.in (CFLAGS): Substitute value provided by configure.
2678 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2681 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2682 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2683 rather than calling add_stmt on it.
2684 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2686 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2689 * reload1.c (reload): Remove registers returned by update_eliminables
2690 from used_spill_regs.
2692 2006-06-13 DJ Delorie <dj@redhat.com>
2694 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2696 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2698 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2699 html__strip_dir, html__mkdir_p. Enhance install-html target.
2700 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2701 * configure: Regenerate.
2703 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2705 * fold-const.c (fold_cond_expr_with_comparison): Check for
2706 Objective-C++ as language in deciding COND_EXPR transformation.
2708 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2711 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2712 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2713 * config/sh/lib1funcs.h (SL, SL1): Define.
2714 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2715 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2716 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2717 (OBJS_Os_4_200): New variable.
2718 ($(T)libgcc-Os-4-200.a): Use it.
2719 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2720 when dividing 1 and/or by 0.
2722 2006-06-13 Roger Sayle <roger@eyesopen.com>
2724 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2725 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2726 * configure: Regenerate.
2728 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2730 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2731 for real instruction.
2733 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2736 * haifa-sched.c (check_cfg): Handle special case.
2738 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2741 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2742 Add debug_info parameter. Chain the vars to the BLOCK instead
2743 of the BIND_EXPR if debug info are requested for them.
2744 (pop_gimplify_context): Adjust for above change.
2745 (gimple_add_tmp_var): Likewise.
2746 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2748 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2749 (convert_local_reference): Likewise.
2750 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2751 (finalize_nesting_tree_1): Request that debug info be emitted
2752 for debug_var_chain.
2754 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2756 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2757 for PR target/27863.
2759 2006-06-13 Richard Guenther <rguenther@suse.de>
2762 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2764 2006-06-13 Richard Guenther <rguenther@suse.de>
2766 PR tree-optimization/27830
2767 * tree-inline.c (copy_body_r): For copying the operand
2768 of an ADDR_EXPR make sure to fold &* afterwards.
2770 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2772 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2773 lvalues in the fb_none case with side-effects.
2775 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2777 * tree-flow.h: Remove the prototype for
2778 compute_phi_arg_on_exit.
2779 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2780 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2783 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2785 * builtins.c (expand_builtin_return_addr): Only use
2786 frame_pointer_rtx when count == 0 and we are expanding
2787 __builtin_return_address.
2789 2006-06-12 Fred Fish <fnf@specifix.com>
2791 * config/mips/mips.c (mips_file_start): Create special section
2792 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2794 2006-06-11 Eric Christopher <echristo@apple.com>
2797 * stor-layout.c (place_field): Remove check for
2798 remaining_in_alignment when aligning at the end of a run.
2800 2006-06-11 Eric Christopher <echristo@apple.com>
2803 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2806 2006-06-11 Roger Sayle <roger@eyesopen.com>
2809 Revert incorrect fix for PR target/27158
2810 2006-05-08 Roger Sayle <roger@eyesopen.com>
2811 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2812 of a reg_equiv_constant if the result is a legitimate constant.
2814 2006-06-11 Roger Sayle <roger@eyesopen.com>
2817 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2818 extract a CONST_VECTOR element and interpret it as an integer.
2819 (vspltis_constant): Use const_vector_elt_as_int instead of the
2820 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2821 * config/rs6000/predicates.md (easy_vector_const): Consider
2822 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2824 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2827 * stor-layout.c (update_alignment_for_field): Don't add extra
2828 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2831 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2833 * config/mips/t-rtems: Add EL/EB multilib variants.
2835 2006-06-09 Mike Stump <mrs@apple.com>
2837 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2839 2006-06-09 David Daney <ddaney@avtrex.com>
2841 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2843 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2845 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2847 2006-06-09 Richard Guenther <rguenther@suse.de>
2849 PR tree-optimization/26998
2850 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2851 of signed types, only TYPE_MIN_VALUE is special, but for both,
2852 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2853 in this case, as is -fwrapv.
2855 2006-06-08 Mike Stump <mrs@apple.com>
2858 * config/darwin.c (darwin_asm_output_anchor): Disable
2859 -fsection-anchors on darwin for now.
2860 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2861 * rs6000/rs6000.c (optimization_options): Likewise.
2863 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2866 * config/i386/i386.c (classify_argument): Skip fields with invalid
2869 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2871 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2872 (cse_insn): Likewise for the stack_pointer_rtx.
2874 2006-06-08 Roger Sayle <roger@eyesopen.com>
2876 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2877 conditions from floating point comparisons.
2879 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2882 * expmed.c (struct alg_hash_entry): Fix type of field T
2883 to match synth_mult argument.
2884 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2886 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2889 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2892 2006-06-08 Richard Guenther <rguenther@suse.de>
2895 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2896 only, if overflow is defined and not trapping.
2897 (negate_expr): Likewise.
2899 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2901 PR tree-optimization/27872
2902 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2903 flag on the new exit edge of the unrolled loop.
2905 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2907 PR rtl-optimization/26449
2908 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2910 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2913 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2914 referenced_variables with matching DECL_UID's.
2915 (find_referenced_vars): Make sure duplicate list is empty to start.
2916 (referenced_var_p): Remove.
2917 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2918 Check if var is in the list, and add if needed. Update the duplicate
2919 list if a different var is in the list with the same DECL_UID.
2920 (add_referenced_var): Call routine to check and insert.
2921 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2922 * tree-flow.h (referenced_vars_dup_list): External declaration.
2924 2006-06-07 Fred Fish <fnf@specifix.com>
2926 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2929 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2932 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2933 the imaginary and real parts of a clobbered register.
2934 Emit insn to set the imaginary part.
2936 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2938 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2939 in lieu of unwind-dw2-fde.c.
2941 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2943 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2945 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2948 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2949 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2950 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2951 V4SImode temporaries and operations instead.
2953 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2955 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2958 2006-06-06 Mike Stump <mrs@apple.com>
2960 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2961 installing during build.
2963 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2965 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2967 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2968 * config/ia64/ia64.c (params.h): New header.
2969 (ia64_optimization_options): New function to adjust parameters.
2970 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2971 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2972 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2974 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2976 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2978 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2981 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2983 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2984 Victor Kaplansky <victork@il.ibm.com>
2986 PR tree-optimization/26360
2987 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2990 2006-06-04 Roger Sayle <roger@eyesopen.com>
2991 Andrew Pinski <pinskia@physics.uc.edu>
2994 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2995 for LABEL_DECL before calling DECL_WEAK.
2998 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2999 LABEL_DECL and PARM_DECL.
3001 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3005 * c-decl.c (grokdeclarator): Disallow variably modified types at
3006 file scope. Avoid marking shared array type of constant size as
3009 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3012 * c-common.c (fold_offsetof_1): Handle static members.
3014 2006-06-04 Eric Christopher <echristo@apple.com>
3016 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3017 (debug_rli): Output value for remaining_in_alignment.
3018 (update_alignment_for_field): Unconditionalize
3019 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3020 extra alignment code.
3021 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3022 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3023 * tree.h (record_layout_info_s): Remove prev_packed.
3024 * doc/extend.texi (ms_struct): Add documentation of format.
3026 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3028 * tree.h: Declare folding_initializer.
3029 * builtins.c (fold_builtin_constant_p): Give definite answer
3030 if folding inside an initializer.
3031 * fold-const.c: Define folding_initializer.
3032 (START_FOLD_INIT): Save and then set folding_initializer.
3033 (END_FOLD_INIT): Restore folding_initializer.
3035 2006-06-04 Richard Guenther <rguenther@suse.de>
3037 PR tree-optimization/27039
3038 * fold-const.c (fold_comparison): Handle pointer comparison
3039 again for all comparison codes. Compare offsets in signed
3041 (fold_binary): Move code from here.
3043 2006-06-03 Roger Sayle <roger@eyesopen.com>
3046 * config/i386/i386.c (construct_container): Split static issued_error
3047 flag into issued_sse_arg_error, issued_sse_ret_error and
3048 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3049 requires the use of x87 registers and the user explicitly
3050 specified the -mno-80387 command line option.
3052 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3054 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3055 HAVE_DECL_SIGALTSTACK.
3057 (segv_handler): Use MC_FLD.
3058 * configure.ac: Check for a sigaltstack declaration.
3059 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3060 * configure: Regenerate.
3061 * config.in: Regenerate.
3063 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3066 * Makefile.in (stmp-fixinc): Fix typo.
3068 2006-06-02 Roger Sayle <roger@eyesopen.com>
3070 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3071 are type correct. Clean-up.
3072 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3073 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3075 2006-06-01 DJ Delorie <dj@redhat.com>
3077 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3078 shift, as we've disabled the "switch" insn that needs it.
3080 2006-06-01 Per Bothner <bothner@bothner.com>
3082 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3083 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3084 * c-ppoutput.c (cb_define): Don't increment line 0.
3086 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3088 * doc/invoke.texi: Add cpu_type power6.
3089 * config.gcc: Add cpu_type power6.
3090 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3091 to power5+ with Altivec.
3092 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3093 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3095 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3097 * config/avr/avr.h (SET_ASM_OP): Define.
3099 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3101 * config/bfin/bfin.c: Fix comment typos.
3103 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3106 * doc/install.texi: Document --enable-bootstrap and
3107 --disable-bootstrap.
3109 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3111 * doc/install.texi: Document that InfoZIP can replace jar.
3113 2006-05-31 Roger Sayle <roger@eyesopen.com>
3115 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3116 isn't available, directly generate the simpler x87 patterns without
3117 the (use (const_int 0)).
3118 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3119 implementation isn't available.
3120 (*negdf2_1): Likewise.
3121 (*negxf2_1): XF mode negation is always done using the x87.
3122 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3124 2006-05-31 Roger Sayle <roger@eyesopen.com>
3126 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3127 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3129 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3131 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3133 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3134 * config/bfin/bfin.c (basic-block.h): Include.
3135 (struct machine_function): New.
3136 (bfin_init_machine_status): New.
3137 (override_options): Initialize init_machine_status.
3138 (bfin_hardware_loop): New.
3139 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3140 (DEF_VEC_P (loop_info)): New.
3141 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3142 (struct loop_info): New.
3143 (loop_info): New typedef.
3144 (struct loop_work): New.
3145 (loop_work): New typedef.
3146 (DEF_VEC_O (loop_work)): New.
3147 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3148 (bfin_dump_loops): New.
3149 (bfin_bb_in_loop): New.
3150 (bfin_scan_loop): New.
3151 (bfin_optimize_loop): New.
3152 (bfin_reorg_loops): New.
3153 (bfin_reorg): Use bfin_reorg_loops.
3154 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3156 (I_REGNO_P): Simplify.
3157 (DP_REGNO_P, DPREG_P): New macros.
3158 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3159 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3160 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3161 Add LT_REGS, LC_REGS, LB_REGS.
3162 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3164 (REGNO_REG_CLASS): Deal with loop registers.
3165 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3167 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3168 New constants for loop registers.
3169 (UNSPEC_LSETUP_END): New.
3170 (seq_insns): New define_attr. Set it for appropriate insns.
3171 (movsi_insn): Add alternatives for move from/to
3172 loop count registers.
3173 (doloop_end): New define_expand.
3174 (loop_end): New define_insn.
3175 (define_split for bad doloop_end): New.
3176 (lsetup_with_autoinit): New define_insn.
3177 (lsetup_without_autoinit): New define_insn.
3178 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3179 * config/bfin/predicates.md (lc_register_operand): New.
3180 (lt_register_operand): New.
3181 (lb_register_operand): New.
3182 (nondp_register_operand): New.
3183 (nondp_reg_or_memory_operand): New.
3184 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3186 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3188 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3189 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3191 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3193 * Makefile.in (CATALOGS): Add po/ prefix.
3194 * configure: Regenerated.
3196 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3199 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3200 a shift operand before calling shift_op. Avoid redundant call of
3203 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3204 DJ Delorie <dj@redhat.com>
3206 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3207 we're inserting is a singlt-bit constant.
3209 2006-05-30 Roger Sayle <roger@eyesopen.com>
3211 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3212 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3214 2006-05-30 Roger Sayle <roger@eyesopen.com>
3216 PR tree-optimization/23452
3217 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3218 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3219 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3220 complex values and with -ffast-math for FP complex values.
3222 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3224 * c-common.h: Remove the prototype for yyparse.
3225 * rtl.h: Remove the prototype for init_loop.
3227 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3229 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3232 2006-05-30 Roger Sayle <roger@eyesopen.com>
3234 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3236 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3237 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3239 2006-05-30 Dirk Mueller <dmueller@suse.de>
3242 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3243 for CONSTANT_CLASS_P expresisons.
3245 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3248 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3250 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3252 PR tree-optimization/27779
3253 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3254 initial_condition instead of CHREC_LEFT.
3256 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3258 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3259 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3260 Make prototypes ISO C90.
3262 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3263 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3265 * see.c (see_analyze_one_def): Correct check.
3266 (see_get_extension_data): Check if extension is parallel.
3267 (see_get_extension_reg): Likewise.
3269 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3272 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3273 into register for (code == GTU).
3275 2006-05-29 Roger Sayle <roger@eyesopen.com>
3277 PR tree-optimization/24964
3278 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3279 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3280 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3281 abs(x)*abs(x) as x*x for scalar floating point modes.
3283 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3286 * lambda-code.c (perfect_nestify): Don't copy statements
3287 in the inner loop: move them to the inner loop header.
3289 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3292 * c-tree.texi: Document OpenMP directives and clauses.
3294 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3296 * varasm.c (globalize_decl): Fix indentation.
3298 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3301 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3302 pass_fre, pass_store_ccp, pass_copy_prop,
3303 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3304 pass_return_slot, pass_object_size, pass_lim,
3305 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3306 pass_loop_prefetch and pass_stdarg.
3308 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3310 * config/bfin/bfin.opt (mfdpic): New option.
3311 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3312 (EXTRA_MULTILIB_PARTS): Likewise.
3313 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3314 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3316 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3317 (CRT_CALL_STATIC_FUNCTION): New.
3318 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3320 (CRT_CALL_STATIC_FUNCTION): New.
3321 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3323 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3324 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3325 (initialize_trampoline): Changed to handle FD-PIC code generation.
3326 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3327 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3328 (override_options): Disallow -mid-shared-library -mfdpic combination.
3329 Can't do unaligned ops if FD-PIC.
3330 Turn off flag_pic if trying to generate non-id-shared-library
3331 non-fdpic code, since it's not supported.
3332 (bfin_assemble_integer): New function.
3333 (TARGET_ASM_INTEGER): Define.
3334 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3336 * config/bfin/crtn.s: Restore them.
3337 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3339 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3340 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3341 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3342 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3343 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3345 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3346 FDPIC_REGS and FDPIC_FPTR_REGS.
3347 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3348 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3349 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3350 (load_funcdescsi): New pattern.
3351 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3352 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3353 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3355 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3357 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3360 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3362 * tree-flow.h: Remove the prototype for add_type_alias.
3363 * tree-ssa-alias.c (add_type_alias): Remove.
3365 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3367 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3368 config/fr30/fr30.md, config/i386/i386-interix.h,
3369 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3370 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3371 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3372 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3373 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3374 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3375 Follow spelling conventions.
3376 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3377 Follow spelling conventions.
3379 2006-05-27 Richard Guenther <rguenther@suse.de>
3382 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3383 to produce a constant of value 1 of generic type.
3385 2006-05-27 Dirk Mueller <dmueller@suse.de>
3387 * cgraphunit.c (decide_is_function_needed): Fix wrong
3390 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3392 PR rtl-optimization/27661
3393 * reload.c (find_reloads): When reloading a VOIDmode constant
3394 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3395 use Pmode as mode of the reload register.
3397 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3399 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3400 is enabled at -O and above.
3402 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3405 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3408 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3411 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3412 for anonymous variables explicitly declared by front ends.
3414 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3416 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3417 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3418 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3419 ref-all pointers, run a finalization pass for them.
3420 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3421 (finalize_ref_all_pointers): New function.
3422 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3423 regular pointer type to a ref-all pointer type.
3424 (get_tmt_for): Return the special memory tag for ref-all pointers.
3426 2006-05-25 Richard Guenther <rguenther@suse.de>
3429 * fold-const.c (fold_binary): Do not look at the stripped
3430 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3432 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3434 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3435 for LT and GT if the computed range is effectively empty.
3437 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3440 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3441 mips_quad_format formats instead of ieee_single_format,
3442 ieee_double_format and ieee_quad_format formats, respectively.
3444 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3446 PR tree-optimization/27639
3447 PR tree-optimization/26719
3448 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3449 call to scev_probably_wraps_p.
3450 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3451 used_in_pointer_arithmetic_p, convert_step): Removed.
3452 (nowrap_type_p): New function.
3453 (scev_probably_wraps_p): Rewritten.
3454 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3455 chrec_convert if chrec_convert_aggressive might have been used.
3456 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3457 scev_direction): New functions.
3458 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3459 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3460 instead of convert_step.
3461 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3462 (convert_step): Declaration removed.
3463 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3465 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3467 * df-core.c: Added to header comments.
3468 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3469 df_ur_bb_info, df_urec_bb_info): Added comments.
3470 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3471 urec, ri problems): Fixed header comments.
3472 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3473 code from df_rd_transfer_function.
3475 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3477 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3478 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3479 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3481 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3483 * expr.c (undefined_operand_subword_p): New.
3484 (emit_move_multi_word): Do not generate move from undefined bits
3485 of a paradoxical subreg.
3487 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3489 PR rtl-optimization/27736
3490 * combine.c (replaced_rhs_value): New variable.
3491 (combine_instructions): Set it.
3492 (distribute_notes): When distributing a note in replaced_rhs_insn,
3493 check whether the value was used in replaced_rhs_value.
3495 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3498 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3499 add_referenced_var instead of add_referenced_tmp_var.
3500 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3501 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3503 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3504 tree_optimize_tail_calls_1): Use add_referenced_var.
3505 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3506 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3507 Use add_referenced_var.
3508 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3509 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3510 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3511 Use add_referenced_var.
3512 * tree-dfa.c (struct walk_state): Remove.
3513 (find_referenced_vars): Remove walk state and vars_found hash table.
3514 (make_rename_temp): Use add_referenced_var.
3515 (find_vars_r): Pass less parameters to add_referenced_var.
3516 (referenced_var_p): New. Is var in referenced_var hash table.
3517 (referenced_var_insert): Assert var isn't already in hash table.
3518 (add_referenced_var): Don't need walk_state parameter. Add var if it
3519 isn't already in the hash table.
3520 (add_referenced_tmp_var): Remove.
3521 (find_new_referenced_vars_1): Use add_referenced_var.
3522 * tree-ssa-pre.c (create_expression_by_pieces,
3523 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3524 Use add_referenced_var.
3525 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3526 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3527 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3529 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3530 vect_create_data_ref_ptr, vect_create_destination_var,
3531 vect_init_vector, vect_build_loop_niters,
3532 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3533 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3534 Use add_referenced_var.
3535 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3536 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3537 (add_referenced_var): Add prototype.
3538 * tree-ssa-structalias.c (get_constraint_for,
3539 intra_create_variable_infos): Use add_referenced_var.
3541 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3543 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3544 big-endian paradoxical subregs.
3545 * var-tracking.c (struct micro_operation_def): Document that,
3546 for modify micro operations, insn is the subsequent instruction.
3547 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3548 (var_reg_set, var_mem_set): ... new functions.
3549 (add_stores): Record subsequent insn.
3550 (compute_bb_dataflow): Use new functions for MO_USE.
3551 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3552 notes after the insn, and modify notes before the insn known
3553 to be the subsequent one.
3554 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3556 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3559 * config/i386/i386.c (ix86_expand_builtin): Use
3560 gen_sse3_monitor64 for TARGET_64BIT.
3562 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3564 PR rtl-optimization/26375
3565 PR rtl-optimization/26855
3566 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3568 (df_ru_bb_local_compute): Reversed statements and removed bogus
3569 comment explaining why they should be in wrong order.
3570 (df_ru_dump, df_rd_dump): Enhanced debug info.
3571 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3573 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3574 reaching uses and fixed space problem.
3576 2006-05-23 Jan Hubicka <jh@suse.cz>
3578 * cgraphunit.c (decide_is_function_needed): Also nested functions
3579 and functions declared inline can be optimized out at -O0.
3581 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3583 * doc/install.texi (Configuration): Remove reference to CrossGCC
3587 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3590 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3591 ix86_compare_emitted is non-NULL.
3593 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3596 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3599 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3601 PR rtl-optimization/25514
3602 * combine.c (replaced_rhs_insn): New variable.
3603 (combine_instructions): Set replaced_rhs_insn when trying to replace
3604 a SET_SRC with a REG_EQUAL note.
3605 (distribute_notes): Use replaced_rhs_insn when determining the live
3606 range of a REG_DEAD register.
3608 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3609 Anatoly Sokolov <aesok@post.ru>
3611 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3612 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3613 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3614 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3615 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3616 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3617 at90usb647, at90usb1286 and at90usb1287 devices.
3618 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3619 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3621 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3623 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3625 2006-05-22 Richard Guenther <rguenther@suse.de>
3628 2006-01-31 Richard Guenther <rguenther@suse.de>
3629 Paolo Bonzini <bonzini@gnu.org>
3631 * doc/install.texi (--disable-libgcc-math): Document.
3633 2006-05-22 Richard Guenther <rguenther@suse.de>
3636 2006-01-31 Richard Guenther <rguenther@suse.de>
3638 * doc/invoke.texi (-msselibm): Document.
3639 * target.h (expand_library_builtin): New target hook.
3640 * builtins.c (expand_builtin): Use expand_library_builtin.
3641 (default_expand_library_builtin): New function.
3642 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3643 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3644 (link_gcc_math_spec): Declare.
3645 (static_specs): Add link_gcc_math_spec.
3646 * expr.h (default_expand_library_builtin): Declare.
3647 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3648 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3649 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3650 * config/i386/i386.opt (msselibm): New target option.
3651 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3652 (ix86_init_sse_abi_builtins): New function.
3653 (ix86_expand_library_builtin): Likewise.
3654 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3655 (override_options): Handle error conditions wrt -msselibm.
3656 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3657 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3658 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3661 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3664 * c-common.c (self_promoting_args_p): Skip erroneous args.
3667 * c-decl.c (finish_struct): Skip erroneous fields.
3669 2006-05-22 Nick Clifton <nickc@redhat.com>
3671 * config/cris/cris.opt (march): Remove VarExists attribute.
3672 (max-stackframe=): Likewise.
3674 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3676 * doc/rtl.texi: Fix a typo.
3677 * see.c: Fix comment typos.
3679 * tree-ssa-structalias.h (alias_info): Remove num_references.
3681 2006-05-21 Mike Stump <mrs@apple.com>
3683 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3685 (darwin_pragma_options): Use BAD instead.
3686 (darwin_pragma_unused): Likewise.
3687 (darwin_pragma_ms_struct): Likewise.
3689 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3691 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3693 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3695 PR rtl-optimization/27671
3696 * simplify-rtx.c (simplify_relational_operation_1): Fix
3697 simplifications of (eq/ne (xor x y) y) and
3698 (eq/ne (xor x y) x).
3700 PR tree-optimization/26622.
3701 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3704 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3706 * tree-cfg.c: Prune whitespace.
3707 (debug_tree_cfg): Point to correct header containing the
3710 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3713 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3715 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3718 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3719 or sorry count is non zero.
3721 2006-05-20 Andreas Schwab <schwab@suse.de>
3723 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3725 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3726 Kenneth Zadeck <zadeck@naturalbridge.com>
3728 PR rtl-optimization/26855
3730 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3732 (df_scan_alloc): Added code to properly handle multiword hard
3733 registers and add all_blocks parameter.
3734 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3735 code to properly handle multiword hard registers.
3736 (df_rescan_blocks): Added code to remove deleted blocks from
3738 (df_ref_create_structure, df_ref_record): Added code to properly
3740 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3741 and set DF_REF_PARTIAL.
3742 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3743 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3744 (df_scan_add_problem): Added flags parameter.
3745 (df_ref_create_structure): Changed switching structure.
3746 (df_bb_refs_record): Fixed case where duplicate artificial refs
3747 were created. Changed location of flags.
3748 (df_record_entry_block_defs): Added code to make stack pointer
3749 live in entry block. Refined cases where frame pointer is needed.
3750 Changed location of flags.
3751 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3752 (df_set_state): Removed function.
3753 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3754 df_insn_create_insn_record, df_insn_refs_delete,
3755 df_ref_create_structure): Formatting changes.
3756 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3757 df_delete_basic_block): New function.
3758 (df_init): Changed location of flags.
3759 (df_add_problem): Added flags parameter and the way flags are
3761 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3762 debug_df_chain): Improved debugging output.
3763 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3764 (df_refs_chain_dump): Removed df parameter.
3765 (df_iterative_dataflow): Added consistency check.
3766 (df_prune_to_subcfg): Made public.
3767 (df_analyze_problem): Added blocks_to_init parameter and made
3769 (df_ref_record, df_bb_refs_record, df_mark_reg,
3770 df_record_exit_block_uses): Whitespace changes.
3771 (df_dump): Whitespace changes.
3772 * df.h: Some reordering to remove forward references.
3773 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3774 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3775 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3776 (dataflow.flags): New field.
3777 (df.flag): Deleted field.
3778 (df_alloc_function): Added additional bitmap parameter.
3779 (df_dependent_problem_function): New type.
3780 (df_problem.changeable_flags): New field.
3781 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3782 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3783 (df_mw_hardreg): New struct.
3784 (DF_INSN_UID_MWS): New macro.
3785 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3787 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3788 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3789 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3790 (df_set_state): Removed function.
3791 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3792 * df-problems.c (df_chain_dump): Removed df parameter.
3793 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3794 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3796 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3797 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3798 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3799 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3800 DF_REF_MUST_CLOBBER cases.
3801 (df_ru_bb_local_compute_process_def,
3802 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3803 df_lr_bb_local_compute, df_ur_bb_local_compute,
3804 df_chain_create_bb): Made subreg aware.
3805 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3806 df_lr_bb_local_compute, df_lr_bb_local_compute,
3807 df_chain_create_bb): Cleanup to use proper macros.
3808 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3809 code to fixup bitvectors.
3810 (df_ri_alloc): Cleared lifetime.
3811 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3812 df_create_unused_note): New function.
3813 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3814 REG_DEAD and REG_UNUSED notes as well as register information.
3815 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3816 df_chains_dump): Fixed crash if problem was never run.
3817 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3818 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3819 df_ri_add_problem): Processes flags in uniform manner.
3820 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3821 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3822 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3823 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3824 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3825 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3826 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3827 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3828 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3829 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3830 * see.c (see_initialize_data): Ditto.
3831 * final.c (rest_of_clean_state) Added regstack_completed.
3832 * rtl.h (regstack_completed): Ditto.
3833 * reg-stack.c (regstack_completed): Ditto.
3835 2006-05-19 Mike Stump <mrs@apple.com>
3837 * c-tree.h (default_conversion): Remove.
3838 * c-common.h (default_conversion): Add.
3840 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3842 * tree-vrp.c (valid_value_p): New function.
3843 (adjust_range_with_scev): Fail if the value of bound is not
3846 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3848 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3849 (mips_fallback_frame_state): Use syscall numbers to determine
3850 the appropriate li instruction for the current ABI. Only use
3851 __NR_sigreturn for o32.
3853 2006-05-19 Nicolas Setton <setton@adacore.com>
3855 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3856 * langhooks.c (lhd_dwarf_name): New function.
3857 * langhooks-def.h (lhd_dwarf_name): Declare.
3858 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3859 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3860 * ada/misc.c (gnat_dwarf_name): New function.
3861 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3863 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3865 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3867 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3868 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3869 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3870 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3871 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3872 determine the size of Wtype, etc.
3873 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3874 (swfloatfuncs): New variable.
3875 (dwfloatfuncs): Likewise.
3876 (lib2funcs): Remove floating-point conversion functions from
3877 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3878 the set of conversion routines needed. Allow entries to specify
3879 an object name, filename and word size. Update users accordingly.
3880 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3881 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3885 2006-02-08 Roger Sayle <roger@eyesopen.com>
3888 * config/fixtfdi.c: New libgcc source file.
3889 * config/fixunstfdi.c: New source file.
3890 * config/floatditf.c: New source file.
3891 * config/floatunditf.c: New souce file.
3892 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3893 files above instead of config/mips/_tilib.c.
3894 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3896 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3898 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3899 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3901 2006-05-18 Mike Stump <mrs@apple.com>
3903 Fix up vla, vm and [*] sematics.
3909 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3910 (c_vla_unspec_p): Add.
3911 (c_vla_type_p): Add.
3912 * c-decl.c (struct c_scope): Add had_vla_unspec.
3913 (build_array_declarator): Add support for [*].
3914 (grokdeclarator): Likewise.
3915 (grokparms): Likewise.
3916 (get_parm_info): Likewise.
3917 * c-objc-common.c (c_vla_unspec_p): Likewise.
3918 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3919 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3920 typeof when argument is a variably modified type not inside sizeof or alignof.
3921 (c_parser_direct_declarator_inner): Propagate errors.
3922 (c_parser_sizeof_expression): Add support for [*].
3923 (c_parser_parms_declarator): Initialize had_vla_unspec.
3924 (c_parser_parms_list_declarator): Likewise.
3925 * c-typeck.c (c_vla_type_p): Add.
3926 (composite_type): Add support for vla compositing.
3927 (comptypes_internal): Add support for vla compatibility.
3928 (c_expr_sizeof_expr): Evaluate vla arguments.
3929 * tree.c (variably_modified_type_p): Update comment for [*].
3931 2006-05-18 Michael Matz <matz@suse.de>
3934 * config.host: Make assignments to host_xmake_file cumulative.
3935 * config.host (*-darwin*): Test $host, not $target.
3937 2006-05-12 Stuart Hastings <stuart@apple.com>
3939 * config/i386/i386.opt (-mstackrealign): New flag.
3940 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3941 (ix86_handle_cconv_attribute): Emit error when
3942 force_align_arg_pointer attribute collides with too many regparms.
3943 (ix86_function_regparm): Limit regparms when used with
3944 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3945 Support stack-realigning prologue in non-main functions. Emit
3946 warning for nested functions under -mstackrealign, emit error for
3947 nested functions with force_align_arg_pointer attribute.
3948 * doc/extend.texi (force_align_arg_pointer): Document it.
3949 * doc/invoke.texi (-mstackrealign): Document it.
3951 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3953 PR rtl-optimization/27477
3954 * combine.c (try_combine): Don't split a parallel consisting
3955 of two sets into two individual sets if both sets reference
3958 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3960 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3961 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3963 * doc/options.texi (VarExists): Updated.
3965 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3967 * unwind-dw2.c: Add declarations for uw_update_context and
3969 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3970 detected, advance frame state and context once to skip over stub.
3972 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3976 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3977 Call rewrite_into_loop_closed_ssa only when something changed.
3978 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3979 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3980 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3981 Test for perfect_nest_p here. Fix formating.
3982 (replace_uses_equiv_to_x_with_y): Fix formating.
3983 (stmt_uses_op): Removed.
3984 (can_convert_to_perfect_nest): Removed loopivs parameter.
3985 Complete the test by checking the scalar dependences.
3986 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3989 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3992 From Dan Kegel <dank@kegel.com>:
3993 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3995 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3997 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3998 if the element type is variably modified without recursing.
4000 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4003 * tree-loop-linear.c (try_interchange_loops): Test for
4004 no data dependences.
4006 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4008 PR tree-optimization/27548
4009 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4010 range of ssa names that appear on abnormal edges.
4011 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4012 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4014 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4017 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4019 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4022 * tree.h (OMP_PARALLEL_COMBINED): Define.
4023 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4024 (new_omp_context): Add is_combined_parallel argument.
4025 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4026 new_omp_context caller.
4027 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4028 Adjust gimplify_scan_omp_clauses callers.
4029 (omp_is_private): Issue errors if iteration variable is firstprivate
4030 or reduction in the current context.
4031 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4032 on combined parallel workshare constructs.
4034 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4036 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4037 (gcc-options.o): New rule.
4039 * optc-gen.awk: Protect variables for gcc-options.o with
4040 #ifdef GCC_DRIVER/#endif.
4042 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4044 Fix PR tree-optimization/27373
4045 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4046 (forward_propagate_addr_expr): Update call.
4048 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4050 * doc/options.texi: Move the Negative option.
4052 2006-05-16 Richard Guenther <rguenther@suse.de>
4054 PR tree-optimization/22303
4055 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4057 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4058 ccp_fold did not simplify the statement.
4060 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4063 * Makefile.in (GCC_OBJS): New.
4064 (OBJS-common): Add opts-common.o.
4065 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4066 (cpp$(exeext)): Likewise.
4067 (gcc.o): Also depend on opts.h.
4068 (opts-common.o): New.
4070 * common.opt (gcoff): Add Negative(gdwarf-2).
4071 (gdwarf-2): Add Negative(gstabs).
4072 (gstabs): Add Negative(gstabs+).
4073 (gstabs+): Add Negative(gvms).
4074 (gvms): Add Negative(gxcoff).
4075 (gxcoff): Add Negative(gxcoff+).
4076 (gxcoff+): Add Negative(gcoff).
4077 * config/i386/i386.opt (m32): Add Negative(m64).
4078 (m64): Add Negative(m32).
4080 * doc/options.texi: Document the Negative option.
4082 * gcc.c: Include "opts.h".
4083 (main): Call prune_options after expandargv.
4085 * optc-gen.awk: Generate common declarations for all flag
4086 variables in options.c. Output the neg_index field.
4088 * opts.c (find_opt): Moved to ...
4089 * opts-common.c: Here. New file.
4091 * opts.h (cl_option): Add a neg_index field.
4093 (prune_options): Likewise.
4095 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4098 * omp-low.c (expand_omp_parallel): Don't assert
4099 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4100 instead search for it.
4103 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4106 2006-05-16 Andreas Schwab <schwab@suse.de>
4108 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4111 2006-05-15 Roger Sayle <roger@eyesopen.com>
4114 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4115 integer constants other than zero are only legitimate on TARGET_64BIT.
4116 <CONST_VECTOR> Only zero vectors are legitimate.
4117 (ix86_cannot_force_const_mem): Integral and vector constants can
4118 always be put in the constant pool.
4120 2006-05-16 DJ Delorie <dj@redhat.com>
4122 * crtstuff.c (__dso_handle): Set section from
4123 TARGET_LBIGCC_SDATA_SECTION if defined.
4124 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4125 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4127 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4130 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4133 2006-05-16 Ben Elliston <bje@au.ibm.com>
4135 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4137 2006-05-15 Per Bothner <per@bothner.com>
4139 * tree.c: (last_annotated_node): Use source_locus typedef.
4140 This permits bootstrapping with --enable-mapped-location.
4142 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4144 PR tree-optimization/26830
4145 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4146 (info_for_ssa_name, current_info_for_ssa_name_age,
4147 blocks_to_update): New variables.
4148 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4149 (clear_ssa_name_info, initialize_flags_in_bb,
4150 mark_block_for_update): New functions.
4151 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4152 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4153 prepare_def_site_for): Use mark_block_for_update.
4154 (mark_def_interesting): Assert that the processed block is marked in
4155 blocks_to_update. Do not take blocks argument.
4156 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4158 (rewrite_update_init_block, rewrite_update_stmt): Only process
4159 blocks with statements to rewrite.
4160 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4161 (update_ssa): Initialize and free blocks_to_update. Do not
4162 clear flags on statements. Do not use blocks bitmap.
4163 * tree.h (SSA_NAME_AUX): Removed.
4164 (struct tree_ssa_name): Removed aux field.
4165 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4167 2006-05-15 Richard Guenther <rguenther@suse.de>
4169 PR tree-optimization/27603
4170 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4171 Do computations in original type.
4173 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4175 * see.c: Code style changes such as redundant paranthesis,
4176 redundant intialization of local variables etc.
4177 (see_main): Declared now as static.
4178 * doc/invoke.texi: Update that -fsee is not enabled by
4181 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4183 * omp-low.c (check_omp_nesting_restrictions): New function.
4184 (scan_omp_1): Call it.
4187 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4188 construct, return *VAR.
4190 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4192 PR rtl-optimization/27406
4193 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4196 2006-05-14 Roger Sayle <roger@eyesopen.com>
4198 PR rtl-optimization/27538
4199 * combine.c (expand_compound_operation): Call gen_lowpart
4200 before calling simplify_shift_const.
4202 2006-05-14 Roger Sayle <roger@eyesopen.com>
4204 PR rtl-optimization/22563
4205 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4206 a fixed width bitfield, always force the intermediates into psuedos.
4208 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4211 * mkconfig.sh: Use operator = instead of == for test.
4213 2006-05-13 Nick Clifton <nickc@redhat.com>
4215 * dwarf2out.c (dbx_reg_number): Check return value from
4216 LEAF_REG_REMAP and only use it if it is valid.
4217 (multiple_reg_loc_descriptor): Likewise.
4219 2006-05-13 Richard Guenther <rguenther@suse.de>
4221 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4224 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4226 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4227 information attached to non-INSNs such as NOTEs.
4228 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4230 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4232 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4234 * config/s390/s390.md: Adjust comment describing On constraint.
4236 2006-05-11 Jan Hubicka <jh@suse.cz>
4238 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4239 to be output at -O0.
4241 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4244 * fold-const.c (size_binop): Move sanity check for arguments to
4245 the beginning of the function.
4248 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4251 2006-05-11 Richard Guenther <rguenther@suse.de>
4254 * fold-const.c (fold_unary): Handle intermediate conversion
4255 to a pointer type like intermediate conversion to an integer
4256 type in folding of (T1)(T2)var to var.
4257 Match the code to the comment in the final conversion for
4258 (T1)(T2)var to (T1)var regarding to type precision. Rather
4259 than disallow T1 being of pointer type, assert that both T1
4260 and var are of pointer type or not. Make sure not to fall
4261 over the frontends lazyness wrt array to pointer decay though.
4263 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4265 * arm.c (arm_struct_value_rtx): Delete.
4266 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4267 (arm_init_cumulative_args): Always initialize nregs to zero.
4269 2006-05-10 Richard Guenther <rguenther@suse.de>
4271 PR tree-optimization/27532
4272 * tree-object-size.c (plus_expr_object_size): Fix typo.
4274 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4277 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4278 ashrdi_const, ashrdi3): Use a scratch register.
4280 2006-05-10 Richard Guenther <rguenther@suse.de>
4282 PR tree-optimization/27302
4283 * fold-const.c (operand_equal_p): For two comparisons,
4284 try comparison of one comparison code swapped if that yields
4287 2006-05-10 Ben Elliston <bje@au.ibm.com>
4289 * tree-pretty-print.c (pretty_print_string): No need to handle
4290 '\0' as a special character.
4292 * tree.h: Include "hashtab.h".
4293 (iterative_hash_expr): Use hashval_t in its prototype.
4294 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4296 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4299 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4300 (hppa*64*-*-hpux11*): Ditto.
4301 (hppa[12]*-*-hpux11*): Ditto.
4303 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4306 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4308 2006-05-09 Michael Matz <matz@suse.de>
4310 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4311 host_extra_gcc_objs and host_xmake_file.
4312 (<*-*-linux*>): Don't overwrite host_xmake_file.
4313 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4314 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4315 (host_detect_local_cpu): Declare.
4316 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4317 * config/i386/i386.c (override_options): Handle -mtune=native
4319 * config/i386/x-i386: New file.
4320 * config/i386/driver-i386.c: New file.
4321 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4324 2006-05-09 Dirk Mueller <dmueller@suse.de>
4325 Richard Guenther <rguenther@suse.de>
4328 * fold-const.c (fold_read_from_constant_string): Relax check
4329 for matching types to matching modes.
4331 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4333 PR rtl-optimization/27335
4334 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4337 2006-05-08 Chao-ying Fu <fu@mips.com>
4338 Richard Sandiford <richard@codesourcery.com>
4340 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4341 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4342 * config/mips/mips.md (UNSPEC_SCC): New constant.
4343 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4344 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4345 (mips_emit_compare): Use it.
4346 (mips_expand_vcondv2sf): New function.
4348 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4350 Fix PR tree-optimization/27093
4351 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4352 renaming when they become not-used_alone.
4354 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4356 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4357 relocation and relocation stubs.
4359 2006-05-08 Eric Christopher <echristo@apple.com>
4361 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4364 2006-05-08 Jan Hubicka <jh@suse.cz>
4367 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4368 unused static functions are needed.
4370 2006-05-08 Roger Sayle <roger@eyesopen.com>
4373 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4374 of a reg_equiv_constant if the result is a legitimate constant.
4376 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4379 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4380 standard 80387 constants, raise the cost to prevent
4381 compress_float_constant() to generate load from memory.
4383 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4385 * config/arm/constraints.md (c): Fix a typo.
4387 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4390 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4393 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4395 (_mm_mwait): Likewise.
4397 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4399 (sse3_monitor): Make it 32bit only.
4400 (sse3_monitor64): New. 64bit monitor.
4402 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4405 * config/i386/i386.c (classify_argument): Skip fields with invalid
4408 2006-05-07 Richard Guenther <rguenther@suse.de>
4410 PR tree-optimization/27409
4411 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4412 Do not try to find zero-sized subvars.
4414 2006-05-07 Richard Guenther <rguenther@suse.de>
4416 PR tree-optimization/27136
4417 * tree-ssa-loop-niter.c (get_val_for): Correct function
4418 comment, assert requirements.
4419 (loop_niter_by_eval): Stop processing if the iterated
4420 value did not simplify.
4422 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4424 * opts.c (flag_see): remove its setting at -O3.
4426 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4428 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4429 * arm/constraints.md: New file.
4430 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4431 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4432 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4433 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4434 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4435 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4436 * arm.md: Include constraints.md.
4437 (thumb_movsi_insn): Use satisfies_constraint_J.
4438 (movhi, movqi): Use satisfies_constraint_I.
4440 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4442 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4443 for atmeg a645 device.
4445 2006-05-06 Richard Guenther <rguenther@suse.de>
4447 PR tree-optimization/27151
4448 * tree-vect-transform.c (vectorizable_condition): Punt on
4449 values that have a different type than the condition.
4451 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4454 * c-parser.c (c_parser_cast_expression): Only insert casts into
4455 hash table if pointer.
4456 * function.c (used_types_insert_helper): Rename from
4458 (used_types_insert): Call used_types_insert_helper.
4459 * function.h (used_types_insert): Accept only one argument.
4461 2006-05-05 David Edelsohn <edesohn@gnu.org>
4463 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4464 scratch with output modifier.
4466 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4469 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4470 with output modifier.
4472 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4475 * config/mips/mips.c (mips_symbolic_address_p): Return true
4476 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4477 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4479 2006-05-04 Richard Guenther <rguenther@suse.de>
4481 PR tree-optimization/14287
4482 PR tree-optimization/14844
4483 PR tree-optimization/19792
4484 PR tree-optimization/21608
4485 PR tree-optimization/27090
4486 * tree-ssa-pre.c (try_combine_conversion): New function.
4487 (compute_avail): After constructing the value-handle
4488 expression, use try_combine_conversion to combine NOP_EXPRs
4489 with previous value-handle expressions and use the result if it
4492 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4494 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4496 2006-05-04 Jan Hubicka <jh@suse.cz>
4499 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4501 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4503 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4504 that this only matches CONST_INTs. All users changed to VOIDmode
4507 * config/bfin/bfin.c: Include "optabs.h".
4508 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4510 (enum bfin_builtins): Add a number of fractional and vector builtins.
4511 (bfin_init_builtins): Likewise.
4512 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4513 (safe_vector_operand, bfin_expand_binop_builtin,
4514 bfin_expand_unop_builtin): New functions.
4515 (bfin_expand_builtin): Handle the new builtins.
4516 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4519 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4522 * Makefile.in (OBJS-common): Add see.o.
4523 (see.o): Add dependencies.
4524 * common.opt (fsee): New flag for the see optimization was added.
4525 * opts.c (flag_see): Initialized.
4526 * passes.c (init_optimization_passes, pass_see): New pass.
4527 * rtl.h (see_main): Declaration as extern.
4528 * timevar.def (TV_SEE): New.
4529 * tree-pass.h (pass_see): Declaration as extern.
4530 * invoke.texi (-fsee): Document.
4531 * recog.c (validate_simplify_insn): New function.
4532 * recog.h (validate_simplify_insn): Declaration as extern.
4533 * df-problems.c (df_chain_dump): Check for NULL.
4535 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4536 Daniel Berlin <dberlin@dberlin.org>
4538 * cfgrtl.c (insert_insn_bb_end_new): New function.
4539 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4541 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4543 * df.h (struct web_entry): Moved from web.c.
4544 (union_defs): Declaration as extern.
4545 (unionfind_root): Likewise.
4546 (unionfind_union): Likewise.
4547 * web.c (struct web_entry): Moved to df.h.
4548 (unionfind_root): Remove static declaration.
4549 (unionfind_union): Likewise.
4550 (union_defs): Likewise and generalize to use callback function.
4551 (web_main): Update arguments for union_defs function call.
4553 2006-05-04 Richard Guenther <rguenther@suse.de>
4555 PR tree-optimization/26447
4556 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4557 produce SSA_NAME copies before the store stmt to avoid
4558 breaking exception handling.
4560 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4563 * gimplify.c (omp_is_private): If var is shared in some outer context,
4564 return false instead of true. Stop searching on parallel context
4567 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4570 * coverage.c: Use get_gcov_unsigned_t() instead of
4571 unsigned_type_node all over.
4573 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4575 PR tree-optimization/27381
4576 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4577 maintain the same immediate_use links.
4578 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4579 node rather than segfaulting.
4581 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4584 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4585 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4586 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4588 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4590 Fix PR tree-optimization/26626
4591 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4593 * tree-ssa-operands.c (access_can_touch_variable): Allow
4594 typecasting through union pointers.
4596 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4599 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4600 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4601 to find if var will be a global variable even in the nested context.
4602 (omp_copy_decl): Only check for global variable at the end, it might
4603 be overridden in outer contexts.
4604 (scan_sharing_clauses): For global variables don't create a field.
4605 (lower_rec_input_clauses): Do nothing for global shared variables.
4606 Emit a barrier at the end of ILIST if there were any decls in both
4607 firstprivate and lastprivate clauses.
4608 (lower_send_clauses): Do nothing for global variables except for
4611 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4613 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4614 of the correct signedness is returned.
4616 2006-05-02 Jeff Law <law@redhat.com>
4618 PR tree-optimization/27364
4619 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4620 multiply expressions.
4622 2006-05-02 Tom Tromey <tromey@redhat.com>
4624 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4626 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4629 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4630 -mthumb -fPIC are used.
4632 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4633 Joshua Kinard <kumba@gentoo.org>
4636 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4637 with 64-bit pointers.
4639 2006-05-02 Paul Brook <paul@codesourcery.com>
4641 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4643 (create_fix_barrier): Check that a suitable barrier location is
4645 (arm_reorg): Include ftmp->address in allowable range of addresses.
4647 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4650 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4653 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4656 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4657 around RESULT_DECL for result passed by reference.
4658 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4659 * omp-low.c (use_pointer_for_field): Don't look at
4660 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4661 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4662 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4663 time or var for passing by reference for
4664 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4665 TREE_ADDRESSABLE variables when passing by reference.
4667 * omp-low.c (dump_omp_region): Fix output formatting.
4670 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4671 (expand_omp_parallel): Likewise.
4672 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4675 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4676 on statement list containing also constructors and destructors.
4677 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4680 * except.c (duplicate_eh_regions): Fix clearing of
4681 cfun->eh->region_array entries.
4683 2006-05-01 DJ Delorie <dj@redhat.com>
4685 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4687 (gcc_cv_objdump): Likewise.
4688 * configure: Regenerated.
4690 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4693 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4694 templates for case 3 and 4.
4696 2006-05-01 DJ Delorie <dj@redhat.com>
4698 * vec.c: Include bconfig.h when appropriate.
4699 * Makefile.in (build/vec.o): Adjust dependencies.
4700 * mkconfig.sh: Make sure config.h isn't used for build machine
4703 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4705 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4707 (mark_phi_for_rewrite): New function.
4708 (insert_phi_nodes_for, mark_use_interesting): Call
4709 mark_phi_for_rewrite.
4710 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4711 (update_ssa): Initialize and free phis_to_rewrite.
4713 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4715 PR rtl-optimization/27291
4716 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4717 folded to a constant.
4719 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4721 PR tree-optimization/27283
4722 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4723 not whole # of iteration descriptions.
4724 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4725 uses abnormal ssa name.
4726 (niter_for_single_dom_exit): Ditto.
4727 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4728 return just the number of iterations.
4730 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4732 PR tree-optimization/27144
4733 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4734 (record_estimate): Only record constant upper bound.
4735 (infer_loop_bounds_from_undefined): Call
4736 compute_estimated_nb_iterations just once.
4737 (proved_non_wrapping_p): Renamed to ...
4738 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4739 (convert_step_widening, scev_probably_wraps_p): Call
4740 n_of_executions_at_most instead of proved_non_wrapping_p.
4741 (substitute_in_loop_info): Do not replace values in bounds.
4742 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4745 2006-05-01 Richard Henderson <rth@redhat.com>
4748 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4749 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4752 2006-05-01 Roger Sayle <roger@eyesopen.com>
4754 * c-typeck.c (parser_build_binary_op): Don't call the function
4755 unsigned_conversion_warning to spot operand/result type overflow.
4756 (build_binary_op): Instead, call convert_and_check instead of
4757 convert to report the problem when the operands are promoted.
4758 * c-common.c (unsigned_conversion_warning): Make static.
4759 * c-common.h (unsigned_conversion_warning): Delete prototype.
4761 2006-05-01 Richard Guenther <rguenther@suse.de>
4763 PR tree-optimization/26726
4764 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4766 (find_interesting_uses_address): ... we work around here
4767 by folding INDIRECT_REFs in the substituted base.
4769 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4771 * omp-low.c (dump_omp_region): Add newlines.
4773 2006-04-30 Roger Sayle <roger@eyesopen.com>
4775 * common.opt (Woverflow): New command line option.
4776 * c-common.c (constant_expression_warning): Check warn_overflow.
4777 (overflow_waring): Pass OPT_Woverflow to warning.
4778 (unsigned_conversion_warning): Likewise.
4779 (convert_and_check): Likewise.
4780 * doc/invoke.texi: Document new command line option.
4782 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4784 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4785 TARGET_NO_FP_IN_TOC for section anchors.
4786 (optimization_options): Enable section anchors for all
4787 non-"Objective" languages.
4789 2006-04-28 Eric Christopher <echristo@apple.com>
4791 * config/darwin-c.c (darwin_ms_struct): Move this
4792 (darwin_set_default_type_attributes): and this...
4793 * config/darwin.c: ... here.
4794 * config/darwin.h (darwin_ms_struct): Declare.
4796 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4798 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4800 2006-04-28 Roger Sayle <roger@eyesopen.com>
4803 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4804 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4805 an unsigned HOST_WIDE_INT.
4806 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4808 (really_start_incremental_init): No need to call convert because
4809 bitsize_zero_node is already of type bitsizetype.
4810 (push_init_level): Extract the value of constructor_index as an
4811 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4812 (process_init_element): Likewise.
4814 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4816 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4817 value before passing to make_relative_prefix.
4819 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4822 * builtins.c (expand_builtin_memset): Expand val in original mode.
4824 2006-04-27 Eric Christopher <echristo@apple.com>
4826 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4827 with #ifndef/#endif.
4828 * config/darwin-c.c (darwin_ms_struct): New.
4829 (darwin_pragma_ms_struct): Ditto.
4830 (darwin_set_default_type_attributes): Ditto.
4831 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4832 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4833 Register ms_struct pragma.
4834 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4835 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4836 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4837 darwin_set_default_type_attributes if TARGET_MACHO.
4839 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4841 PR tree-optimization/26854
4842 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4843 * doc/tree-ssa.texi: Update immuse iterator documentation.
4844 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4845 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4846 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4847 first_safe_imm_use, next_safe_imm_use): Remove.
4848 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4849 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4850 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4851 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4852 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4853 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4854 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4855 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4856 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4857 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4858 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4859 (perfect_nestify): Use new iterator.
4860 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4862 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4863 (next_imm_name): New field in struct immediate_use_iterator_d.
4864 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4865 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4866 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4867 * tree-cfg.c (replace_uses_by): Use new iterator.
4868 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4869 * tree-ssa-operands.c (correct_use_link): Remove.
4870 (finalize_ssa_use_ops): No longer call correct_use_link.
4872 2006-04-27 Stuart Hastings <stuart@apple.com>
4874 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4875 * config/t-darwin (crt3.o): Use it.
4876 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4877 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4878 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4879 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4880 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4883 2006-04-27 Roger Sayle <roger@eyesopen.com>
4885 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4886 size, force the intermediate into a new pseudo rather instead of
4887 performing both a bitwise AND and a bitwise IOR in memory.
4889 2006-04-27 Richard Guenther <rguenther@suse.de>
4891 PR rtl-optimization/26685
4892 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4893 this one "max-flow-memory-locations".
4895 2006-04-27 Richard Guenther <rguenther@suse.de>
4897 PR tree-optimization/25148
4898 * tree-vrp.c (compare_values): Remove code dealing with
4899 comparisons against type min/max value. Honour overflow
4900 and negative constants in code dealing with comparisons
4901 of plus and minus expressions.
4902 (value_inside_range): Use fold_binary with LE_EXPR and
4903 GE_EXPR rather than compare_values.
4905 2006-04-27 Dirk Mueller <dmueller@suse.de>
4907 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4910 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4912 * basic-block.h (safe_insert_insn_on_edge): Removed.
4913 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4915 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4916 Paolo Bonzini <bonzini@gnu.org>
4919 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4920 (simplify_and_const_int): Same.
4922 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4924 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4926 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4929 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4930 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4931 cgraph_global_info_ready.
4934 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4937 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4938 either decl or init is error_mark_node.
4941 * tree-flow.h (struct omp_region): Add sched_kind.
4942 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4943 instead of extracting omp for data.
4944 (expand_omp_for): Save extracted sched_kind.
4946 2006-04-25 Roger Sayle <roger@eyesopen.com>
4948 * expmed.c (store_bit_field): Also check whether the bitsize is
4949 valid for the machine's "insv" instruction before moving the
4950 target into a pseudo for use with the insv.
4951 * config/i386/predicates.md (const8_operand): New predicate.
4952 * config/i386/i386.md (extv, extzv, insv): Use the new
4953 const8_operand predicate where appropriate.
4955 2006-04-25 DJ Delorie <dj@redhat.com>
4957 * doc/install.texi (Specific): Clarify that this is not a list of
4958 supported hosts or targets.
4960 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4962 PR rtl-optimization/26725
4963 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4964 block's BB_DIRTY flag.
4966 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4968 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4971 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4972 to print an integer.
4974 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4976 * varasm.c (align_variable): New function.
4977 (get_block_for_decl): Apply align_variable to DECL before
4978 calculating section information.
4979 (assemble_variable): Split out alignment computation.
4981 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4983 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4986 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4988 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4989 MODE_PARTIAL_INT mode.
4990 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4991 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4993 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4994 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4996 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4998 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5000 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5001 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5002 MACFLAG_IH): Likewise.
5003 (movstricthi_1): Renamed from "*movstricthi".
5004 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5005 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5006 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5007 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5008 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5009 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5010 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5011 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5012 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5013 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5014 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5015 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5016 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5017 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5018 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5020 * doc/rtl.texi (ss_ashift): Improve wording.
5022 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5024 * dwarf2out.c (verify_marks_clear): New.
5025 (prune_unused_types): Call verify_marks_clear initially, not
5028 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5030 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5031 * doc/rtl.texi: Document them.
5032 * simplify-rtx.c (simplify_unary_operation,
5033 simplify_binary_operation_1): Don't abort when we see them.
5035 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5038 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5039 * configure.ac: Completely disregard languages that are not
5041 * configure: Regenerated.
5043 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5044 Richard Guenther <rguenther@suse.de>
5046 PR tree-optimization/27236
5047 * tree-inline.c (copy_body_r): Make sure to copy
5048 TREE_THIS_VOLATILE flag.
5050 2006-04-24 Richard Guenther <rguenther@suse.de>
5053 * tree-complex.c (update_parameter_components): Don't handle
5054 unused parameters which have no default def.
5056 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5057 Richard Guenther <rguenther@suse.de>
5059 PR tree-optimization/27218
5060 * tree-inline.c (expand_call_inline): Strip useless type
5061 conversions for the return slot address.
5063 2006-04-24 Richard Guenther <rguenther@suse.de>
5065 * cfgloop.h (struct loops): Remove unused field array. Reorder
5067 (LOOP_PREFETCH): Remove.
5069 2006-04-24 Richard Guenther <rguenther@suse.de>
5071 PR tree-optimization/22525
5072 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5073 variable, adjust types of generated expressions.
5075 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5077 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5078 (tree-vect-patterns.o): Likewise.
5080 (cselib.o): Likewise.
5081 (loop-doloop.o): Likewise.
5082 (regclass.o): Likewise.
5083 (reload1.o): Likewise.
5084 (explow.o): Replace target.h with $(TARGET_H).
5085 (ipa-prop.o): Likewise.
5086 (ipa-cp.o): Likewise.
5087 (ipa-inline.o): Likewise.
5088 (reorg.o): Likewise.
5089 (reg-stack.o): Likewise.
5091 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5093 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5095 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5097 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5099 * configure.ac: Completely disregard languages that are not
5101 * configure: Regenerated.
5104 * c-common.h (c_build_bitfield_integer_type): Declare.
5105 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5106 * c-common.c (c_build_bitfield_integer_type): ... here.
5108 2006-04-23 Roger Sayle <roger@eyesopen.com>
5111 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5112 a SImode SUBREG of a floating point register after no_new_pseudos.
5114 2006-04-23 Roger Sayle <roger@eyesopen.com>
5116 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5117 identify potentially eliminable registers to additionally catch
5118 VIRTUAL_INCOMING_ARGS_REGNUM.
5119 (addsi3): Update the conditions on when to use addsi_small_int.
5121 2006-04-23 Roger Sayle <roger@eyesopen.com>
5124 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5125 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5126 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5128 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5130 * fold-const.c (range_predecessor): Use operand_equal_p
5131 as the predicate for equality.
5132 (range_successor): Likewise.
5134 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5137 * config/soft-fp/op-common.h: Fix a typo.
5139 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5142 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5143 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5145 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5147 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5149 * doc/tm.texi: Fix a typo.
5151 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5153 * dwarf2out.c (struct die_struct): Document that die_sib makes
5154 a circular linked list.
5155 (FOR_EACH_CHILD): New.
5156 (reverse_die_lists): Delete.
5157 (reverse_all_dies): Delete.
5158 (add_dwarf_attr): Correct documentation.
5159 (remove_child_with_prev): New.
5160 (remove_child_TAG): Update for change to die_struct, use
5161 remove_child_with_prev.
5162 (add_child_die): Update for change to die_struct.
5163 (splice_child_die): Use remove_child_with_prev and add_child_die.
5164 (print_die): Use FOR_EACH_CHILD.
5165 (die_checksum): Likewise.
5166 (assign_symbol_names): Likewise.
5167 (output_location_lists): Likewise.
5168 (build_abbrev_table): Likewise.
5169 (calc_die_sizes): Likewise.
5170 (mark_dies): Likewise.
5171 (unmark_dies): Likewise.
5172 (unmark_all_dies): Likewise.
5173 (output_die): Likewise.
5174 (prune_unused_types_mark): Likewise.
5175 (prune_unused_types_walk): Likewise.
5176 (same_die_p): Update for change to die_struct.
5177 (break_out_includes): Likewise.
5178 (prune_unused_types_prune): Likewise.
5179 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5180 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5182 (dwarf2out_finish): Don't call reverse_all_dies.
5184 2006-04-21 Eric Christopher <echristo@apple.com>
5186 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5187 in comments and function names.
5189 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5192 * c-typeck.c (digest_init): Robustify.
5194 * c-typeck.c (pop_init_level): Simplify.
5196 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5198 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5200 2006-04-21 Paul Brook <paul@codesourcery.com>
5202 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5203 hardware floating point.
5205 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5207 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5210 2006-04-21 Nick Clifton <nickc@redhat.com>
5212 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5215 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5218 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5219 C++ lang type in traceback table for Objective-C++.
5221 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5223 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5225 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5227 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5230 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5231 were errors. Remove check for erroneous objects.
5233 2006-04-20 Jeff Law <law@redhat.com>
5235 PR tree-optimization/26854
5236 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5237 checking for zero or one use.
5238 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5239 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5240 * tree-ssa-reassoc.c (negate_value): Similarly.
5241 (reassociate_bb): Similarly.
5243 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5245 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5246 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5247 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5249 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5251 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5252 fp regs if the last fp arg doesn't fit in regs.
5254 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5257 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5258 that the last insn has the REG_INC note.
5260 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5261 Nathan Sidwell <nathan@codesourcery.com>
5264 * stor-layout.c (update_alignment_for_field): Do not align
5266 (place_union_field): Place union field at the start of the union.
5267 (place_field): Move ERROR_MARK check later, and use the current
5268 allocation position to maintain monotonicity.
5270 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5272 * dominance.c: Include timevar.h.
5273 (calculate_dominance_info): Use TV_DOMINANCE.
5274 * timevar.def (TV_DOMINANCE): New timevar.
5275 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5277 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5279 PR rtl-optimization/14261
5280 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5281 move would be an INSV insn.
5282 (noce_process_if_block): Don't optimize if the destination is a
5283 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5285 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5287 * config/s390/s390.md: Add comments with the instructions emitted
5288 by an insn pattern if macros are used.
5290 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5292 PR rtl-optimization/26026
5293 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5294 is a known power of two shifted left a variable amount.
5296 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5298 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5299 to hash table twice when the debug_str section has SECTION_MERGE.
5301 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5303 * config/soft-fp: New directory. From glibc.
5304 * config/soft-fp/t-softfp: New.
5305 * config/soft-fp/README: New.
5306 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5307 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5308 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5309 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5310 * config.gcc: Use rs6000/t-fprules-fpbit or
5311 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5313 * config/rs6000/sfp-machine.h: New. Based on glibc.
5314 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5316 * config/rs6000/t-fprules: Remove fp-bit rules.
5317 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5318 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5319 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5320 (softfp_wrap_start, softfp_wrap_end): New.
5322 2006-04-18 DJ Delorie <dj@redhat.com>
5324 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5326 2006-04-18 Devang Patel <dpatel@apple.com>
5328 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5330 2006-04-18 Nick Clifton <nickc@redhat.com>
5332 * config/sh/t-symbian: Add rule to build sh-c.o
5333 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5334 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5335 (sh_symbian_encode_section_info): Likewise.
5337 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5339 * builtins.c (expand_builtin_strcmp): Cover label definition of
5340 do_libcall with HAVE_cmpstrnsi.
5342 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5344 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5346 * function.h (temp_slot_p): New.
5347 (function): Change the type of x_used_temp_slots to
5348 VEC(temp_slot_p,gc) *.
5350 2006-04-18 Nick Clifton <nickc@redhat.com>
5352 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5353 flag_strength_reduce.
5355 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5357 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5361 Partial revert of revision 112637
5362 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5363 Dale Johannesen <dalej@apple.com>
5366 * regclass.c (struct reg_pref): Update documentation.
5367 (regclass): Set prefclass to NO_REGS if memory is the best option.
5368 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5370 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5372 PR tree-optimization/26821
5373 * tree-ssa-math-opts.c (get_constant_one): New.
5374 (insert_reciprocals): Use it.
5376 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5378 * dwarf2out.c (free_AT): Delete.
5379 (remove_AT): Update string ref counts.
5380 (remove_child_TAG): Don't call free_die.
5382 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5383 or DW_TAG_GNU_EINCL.
5384 (prune_unused_types_walk_attribs): Reset string refcounts.
5385 (prune_unused_types_update_strings): New.
5386 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5387 call free_die. Do call prune_unused_types_update_strings.
5388 (prune_unused_types): Empty debug_str_hash.
5390 2006-04-17 Roger Sayle <roger@eyesopen.com>
5392 * expr.c (expand_assignment): Optimize away no-op moves where the
5393 source and destination are equal and have no side-effects.
5395 2006-04-17 Richard Guenther <rguenther@suse.de>
5398 * reload.c (push_reload): Guard calls to get_secondary_mem
5401 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5403 * alias.c (reg_base_value, old_reg_base_value): Change the
5404 type to VEC(rtx,gc) *.
5405 (REG_BASE_VALUE, find_base_value, record_set,
5406 init_alias_analysis): Use VEC instead of VARRAY.
5408 * alias.c (alias_sets): Change the type to
5409 VEC(alias_set_entry,gc) *.
5410 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5411 VEC instead of VARRAY.
5412 (last_alias_set): Remove.
5414 * cgraph.h (cgraph_edge_p): New.
5415 Update the prototype of cgraph_function_versioning.
5416 * cgraphunit.c (cgraph_copy_node_for_versioning,
5417 cgraph_function_versioning): Use VEC instead of VARRAY.
5418 * ipa-cp.c (ipcp_insert_stage): Likewise.
5420 2006-04-16 Roger Sayle <roger@eyesopen.com>
5423 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5424 "A op B" or "A op C", we may need to convert A to the type of B and C.
5426 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5428 * target.h (struct gcc_target): Add mode_rep_extended.
5429 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5430 (init_num_sign_bit_copies_in_rep): Initialize it using
5432 (truncate_to_mode): Use it.
5433 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5434 * targhooks.h (default_mode_rep_extended): Declare it.
5435 * targhooks.c (default_mode_rep_extended): Define it.
5436 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5437 default_mode_rep_extended.
5438 (TARGET_INITIALIZER): Include it.
5439 * doc/tm.texi (Misc): Document it.
5440 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5441 (mips_truncated_to_mode): New function.
5443 2006-04-16 Roger Sayle <roger@eyesopen.com>
5446 * expr.c (compress_float_constant): Copy the narrow constant into
5447 a new pseudo before extending it to its final width.
5449 2006-04-16 Roger Sayle <roger@eyesopen.com>
5450 Andrew Pinski <pinskia@gcc.gnu.org>
5451 Dale Johannesen <dalej@apple.com>
5454 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5455 special case code to implement V8HImode and V16QImode with SSE2.
5457 2006-04-15 Roger Sayle <roger@eyesopen.com>
5459 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5460 trees are constructed with a suitable tree type.
5462 2006-04-15 Roger Sayle <roger@eyesopen.com>
5464 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5465 (integer_onep): Likewise.
5466 (integer_all_onesp): Likewise.
5467 (integer_pow2p): Likewise.
5468 (integer_nonzerop): Likewise.
5469 (real_zerop): Likewise.
5470 (real_onep): Likewise.
5471 (real_twop): Likewise.
5472 (real_minus_onep): Likewise.
5473 (int_size_in_bytes): Likewise.
5474 (host_integerp): Likewise.
5476 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5478 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5479 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5480 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5482 * tree-ssa-structalias.h (alias_info): Remove num_references.
5484 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5486 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5487 (output_bvb patterns): Likewise.
5488 * pa.c (output_bb): Use 'bb' insn for long branch case.
5489 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5490 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5491 1. Correct length operand for alternatives 1 and 2.
5492 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5493 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5495 2006-04-14 Roger Sayle <roger@eyesopen.com>
5497 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5498 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5499 were accidentally reverted by r112959.
5501 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5504 * except.h (eh_region_outermost): New prototype.
5505 * except.c (eh_region_outermost): New function.
5506 * tree-cfg.c (find_outermost_region_in_block): Use it.
5508 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5510 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5512 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5513 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5514 (init_reload, reload): Use VEC instead of VARRAY.
5515 * reload.h: Update the prototype for
5516 reg_equiv_memory_loc_varray.
5518 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5519 Eric Botcazou <ebotcazou@libertysurf.fr>
5521 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5524 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5527 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5528 to expand fallback builtin function call.
5530 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5533 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5534 and emit libcall here in case the builtin fails.
5535 (expand_builtin_strcmp): Always emit the libcall here on failure.
5537 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5539 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5540 * flow.c (reg_n_info): Change the type to
5541 VEC(reg_info_p,heap) *.
5542 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5544 * regs.h (reg_info_p): New.
5545 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5546 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5547 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5550 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5552 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5554 * params.h (MAX_SCHED_READY_INSNS): New macro.
5555 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5556 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5557 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5558 the ready list for 1 cycle during the first scheduling pass.
5559 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5561 2006-04-13 Richard Henderson <rth@redhat.com>
5564 * gimple-low.c (lower_omp_directive): Remove dead code.
5565 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5566 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5567 * omp-low.c (struct omp_region): Move to tree-flow.h.
5568 (root_omp_region): Export.
5569 (omp_regions, lookup_omp_region): Remove.
5570 (determine_parallel_type): Update for struct omp_region changes.
5571 (dump_omp_region): Dump regions with block numbers.
5572 (new_omp_region): Take type and block instead of stmt; malloc
5574 (free_omp_region_1, free_omp_regions): New.
5575 (expand_parallel_call): Take entry_stmt as argument; update for
5576 changes to omp_region.
5577 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5578 (remove_exit_barriers): New.
5579 (expand_omp_parallel): Update for struct omp_region changes.
5580 (expand_omp_synch): Likewise.
5581 (expand_omp): Likewise.
5582 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5583 (expand_omp_for_static_chunk): Likewise.
5584 (expand_omp_for): Likewise.
5585 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5586 (expand_omp_sections): Similarly, with GOMP_sections_end.
5587 (expand_omp_single): New.
5588 (build_omp_regions_1): Update for OMP_CONTINUE.
5589 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5590 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5591 OMP_SECTIONS_SECTIONS.
5592 (lower_omp_single_simple): Don't emit barrier here.
5593 (lower_omp_single_copy): Likewise.
5594 (lower_omp_single): Fix bindings, and lower to straightline now.
5595 (lower_omp_master, lower_omp_ordered): Likewise.
5596 (lower_omp_critical): Likewise.
5597 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5598 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5599 omp edges, free it afterward.
5600 (make_omp_sections_edges): Remove.
5601 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5602 (move_stmt_r): Handle OMP_CONTINUE.
5603 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5604 statement pointers to basic blocks. Add type member.
5605 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5606 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5607 * tree-inline.c (estimate_num_insns_1): Likewise.
5608 * tree-pretty-print.c (dump_generic_node): Likewise.
5609 * tree-ssa-operands.c (get_expr_operands): Likewise.
5610 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5611 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5612 (OMP_CONTINUE): New.
5613 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5614 (OMP_SECTIONS_SECTIONS): Remove.
5615 (OMP_SECTION_LAST): New.
5616 (OMP_RETURN_NOWAIT): New.
5618 2006-04-13 Roger Sayle <roger@eyesopen.com>
5620 * fold-const.c (native_encode_vector, native_interpret_real):
5621 Correct obvious mistakes in the previous check-in.
5623 2006-04-13 Roger Sayle <roger@eyesopen.com>
5625 * fold-const.c (native_encode_expr): New function to encode
5626 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5627 or VECTOR_CST into a specified buffer.
5628 (native_encode_int): New function.
5629 (native_encode_real): New function.
5630 (native_encode_complex): New function.
5631 (native_encode_vector): New function.
5632 (native_interpret_expr): Inverse of native_encode_expr to convert
5633 a target representation into an INTEGER_CST, REAL_CST etc...
5634 (native_interpret_int): New function.
5635 (native_interpret_real): New function.
5636 (native_interpret_complex): New function.
5637 (native_interpret_vector): New function.
5638 (fold_view_convert_expr): New function to constant fold/evaluate
5639 a VIEW_CONVERT_EXPR of a suitable constant expression.
5640 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5641 Change call of build1 to fold_build1 when constructing a
5644 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5645 Ulrich Weigand <uweigand@de.ibm.com>
5648 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5651 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5654 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5655 optimize to lo_sum for DFmode if !TARGET_FPRS.
5657 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5659 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5660 delete_alias_info, compute_flow_sensitive_aliasing,
5661 group_aliases): Use VEC instead of VARRAY.
5662 * tree-ssa-structalias.c (update_alias_info): Likewise.
5663 * tree-ssa-structalias.h (alias_info): Change the type of
5664 processed_ptrs to VEC(tree,heap) *.
5666 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5669 * config/sh/lib1funcs.h: New file, broken out of:
5670 * config/sh/lib1funcs.asm.
5671 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5673 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5674 * config/sh/lib1funcs-Os-4-200.asm: New file.
5675 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5676 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5677 (EXTRA_MULTILIB_PARTS): Include it.
5678 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5679 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5680 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5681 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5684 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5686 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5687 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5688 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5690 * tree-ssa-live.h: Include vecprim.h.
5691 (tree_partition_associator_d): Change the type of
5692 first_partition to VEC(int,heap) *.
5693 (tpa_first_partition): Use VEC instead of VARRAY.
5695 * Makefile.in (GTFILES): Move functions.h after tree.h.
5696 * function.c (reset_block_changes, record_block_change,
5697 check_block_change, free_block_changes): Use VEC instead of
5699 * function.h (function): Change the type of
5700 ib_boundaries_block to VEC(tree,gc) *.
5701 * tree-inline.c (copy_cfg_body): Initialize
5702 ib_boundaries_block to NULL instead of (varray_type) 0.
5704 2006-04-12 Roger Sayle <roger@eyesopen.com>
5706 * expr.c (emit_group_store): Correct operand order in call to
5707 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5708 a SUBREG_BYTE of zero.
5710 2006-04-12 Richard Guenther <rguenther@suse.de>
5712 * profile.c (compute_branch_probabilities): Remove code
5713 encapsulated in !ir_type (), which are remanents of the
5714 removed RTL profiling code.
5715 * rtl-profile.c: Remove.
5717 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5719 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5720 magic NULL_RTX comment.
5721 (function_arg): Store entire fp arg to mem if any part should go
5723 (rs6000_arg_partial_bytes): Adjust for above change.
5725 2006-04-11 Roger Sayle <roger@eyesopen.com>
5727 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5728 if it hasn't been initialized by dwarf2out_init.
5730 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5732 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5733 symbolic constants in branch patterns.
5735 2006-04-11 Roger Sayle <roger@eyesopen.com>
5737 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5739 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5741 PR rtl-optimization/27073
5742 * gcse.c (try_replace_reg): Revert last change. Continue to search
5743 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5746 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5748 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5749 aggregate types other than record and union types.
5750 (function_arg): Likewise.
5751 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5753 (function_value): In 64-bit mode, return objects that require it
5756 2006-04-11 Roger Sayle <roger@eyesopen.com>
5758 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5760 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5762 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5764 2006-04-03 Jeff Law <law@redhat.com>
5767 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5768 alias information too.
5770 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5772 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5774 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5777 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5778 (premark_used_types_helper): New.
5779 (premark_used_types): New.
5780 (gen_subprogram_die): Call premark_used_types.
5781 (prune_unused_types_walk): Do not prune perennial dies.
5782 * function.c (used_types_insert): New.
5783 * function.h (struct function): Add used_types_hash field.
5784 (used_types_insert): Add prototype.
5785 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5786 * c-parser.c (c_parser_cast_expression): Save casted types in used
5789 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5792 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5793 rs6000_explicit_options.float_gprs.
5795 2006-04-10 Roger Sayle <roger@eyesopen.com>
5797 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5798 from ix86_expand_vector_init_low_nonzero. Take an additional
5799 one_var argument indicating which element is non-zero. Support
5800 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5801 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5802 with one_var instead of ix86_expand_vector_init_low_nonzero.
5804 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5806 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5807 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5808 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5809 build/genextract.o): Depend on vecprim.h.
5810 * cfglayout.c, df-problems.c, function.c, genextract.c,
5811 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5812 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5816 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5818 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5819 Declare VECs of this type.
5820 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5821 (remove_children): Delete.
5822 (add_dwarf_attr): Use VEC routines.
5823 (add_AT_flag): Update for changes to add_dwarf_attr.
5824 (add_AT_int): Likewise.
5825 (add_AT_unsigned): Likewise.
5826 (add_AT_long_long): Likewise.
5827 (add_AT_vec): Likewise.
5828 (add_AT_string): Likewise.
5829 (add_AT_die_ref): Likewise.
5830 (add_AT_fde_ref): Likewise.
5831 (add_AT_loc): Likewise.
5832 (add_AT_loc_list): Likewise.
5833 (add_AT_addr): Likewise.
5834 (add_AT_lbl_id): Likewise.
5835 (add_AT_lineptr): Likewise.
5836 (add_AT_macptr): Likewise.
5837 (add_AT_offset): Likewise.
5838 (add_AT_range_list): Likewise.
5839 (get_AT): Use VEC_iterate.
5840 (remove_AT): Use VEC_ordered_remove.
5841 (free_die): Fold remove_children into here; have it use VEC_iterate.
5842 (print_die): Use VEC_iterate on attrs.
5843 (reverse_die_lists): Don't reverse attr lists.
5844 (die_checksum): Use VEC_iterate on attrs.
5845 (same_die_p): Likewise.
5846 (output_location_lists): Likewise.
5847 (build_abbrev_table): Likewise.
5848 (size_of_die): Likewise.
5849 (unmark_all_dies): Likewise.
5850 (output_abbrev_section): Likewise.
5851 (output_die): Likewise.
5852 (prune_unused_types_walk_attribs): Likewise.
5854 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5856 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5858 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5861 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5863 2006-04-09 Roger Sayle <roger@eyesopen.com>
5865 * expr.c (store_constructor): Don't bother clearing target if
5866 we're about to assign a vector to it using vec_init_optab.
5868 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5870 * tree-ssa-alias.c (lhs_may_store_to): New function.
5871 (recalculate_used_alone): Handle LHS of calls.
5873 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5877 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5878 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5879 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5880 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5881 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5882 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5883 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5884 stubs. Add ".align 8" directives before all ".dword" directives.
5885 (GTHREAD_USE_WEAK): Revise comment.
5886 (TARGET_ATTRIBUTE_WEAK): Define.
5887 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5888 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5889 * stublib.c: New file.
5894 * pa.md (cbranch patterns): Revise arguments used in calls to
5895 output_cbranch, output_bb and output_bvd. Add long branch length
5897 (fbranch patterns): Handle long branches.
5898 (jump): Revise length check. Revise arguments for output_lbranch call.
5899 Add long branch length attributes.
5900 (decrement_and_branch_until_zero): Add long branch length attributes.
5901 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5902 Likewise. Revise arguments for output_parallel_addb and
5903 output_parallel_movb calls.
5904 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5905 output_parallel_movb and output_parallel_addb): Update prototypes.
5906 * pa.c (output_cbranch): Revise arguments. Correct handling of
5907 nullification in long branches.
5908 (output_lbranch): Add new argument to control extraction of delay
5910 (output_bb): Handle long branches.
5911 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5912 output_parallel_addb): Likewise.
5914 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5916 PR rtl-optimization/27073
5917 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5920 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5922 * tree.h (tree_memory_tag): Add old_used_alone.
5923 (SMT_OLD_USED_ALONE): New macro.
5924 * tree-ssa-alias.c (recalculate_used_alone): Stop
5925 marking things for renaming unnecessarily.
5927 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5929 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5930 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5931 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5932 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5933 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5934 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5935 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5936 spelling convensions.
5937 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5938 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5939 typos. Follow spelling conventions.
5941 2006-04-07 DJ Delorie <dj@redhat.com>
5943 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5944 passed on the stack.
5945 (m32c_init_cumulative_args): When a function returns a structure,
5946 always pass the pointer to that return area on the stack.
5947 (m32c_function_arg_advance): Don't increment the parameter number
5948 if we're processing the returned structure pointer.
5949 (pushm_info): Reverse order of registers.
5951 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5953 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5954 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5955 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5956 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5958 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5959 chrec_fold_multiply): Same.
5960 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5961 force_expr_to_var_cost): Same.
5962 * tree-mudflap.c (mf_xform_derefs_1): Same.
5963 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5965 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5967 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5968 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5971 2006-04-07 Jan Hubicka <jh@suse.cz>
5973 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5975 2006-04-07 Richard Guenther <rguenther@suse.de>
5977 PR tree-optimization/26135
5978 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5979 loads for store copy-prop.
5980 (copy_prop_visit_stmt): Likewise.
5982 2006-04-05 Robert Millan <robertmh@gnu.org>
5984 * config/i386/linux.h: Add a comment to mark macros that are
5985 being overriden in config/k*bsd-gnu.h.
5986 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5988 * config/knetbsd-gnu.h: Ditto.
5990 2006-04-06 Jan Hubicka <jh@suse.cz>
5994 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5997 2006-04-06 Mike Stump <mrs@apple.com>
5999 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6000 for HAVE_nonlocal_goto to be consistent.
6001 (expand_builtin_nonlocal_goto): Likewise.
6002 (expand_builtin_strcmp): Use #ifdef instead of #if
6003 for HAVE_cmpstrnsi to be consistent.
6005 2006-04-05 DJ Delorie <dj@redhat.com>
6007 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6010 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6012 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6013 got-relative addressing for anything but SImode.
6015 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6016 even if the calling function doesn't modify them.
6018 2006-04-05 Richard Guenther <rguenther@suse.de>
6020 PR tree-optimization/26919
6021 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6022 to cgraph_estimate_size_after_inlining.
6024 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6026 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6028 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6030 PR tree-optimization/26996
6031 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6032 VECTOR_TYPE variables.
6034 2006-04-05 Richard Guenther <rguenther@suse.de>
6036 PR tree-optimization/26763
6037 * fold-const.c (fold_comparison): Move folding of
6038 PTR + CST CMP PTR + CST ...
6039 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6041 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6043 * doc/install.texi (Prerequisites): Refine some wording on
6044 bootstrapping and ksh.
6045 Move the version numbers of DejaGnu here from the testing section
6046 and fix casing of names.
6047 Fix markup and clarify wording for autogen requirements.
6048 Refer to GCJ instead of just java.
6049 Refer to SVN instead of CVS.
6050 Describe diffutils as useful instead of necessary.
6051 (Downloading the source): Refer to SVN instead of CVS.
6052 Adjust a link to our web site accordingly.
6053 (Configuration): Fix casing of Bison.
6054 (Building): Refer to SVN instead of CVS.
6055 Fix a sentence on the use of Bison and remove duplicate (and
6056 incorrect) version number of Bison requirement.
6057 Remove one redundant list of packages needed for building.
6058 (Specific): Avoid reference to CVS.
6060 2006-04-04 Eric Christopher <echristo@apple.com>
6062 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6063 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6064 (rs6000_handle_struct_attribute): New.
6065 (rs6000_ms_bitfield_layout_p): Ditto.
6067 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6069 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6070 NULL for dso parameter to atexit_common.
6072 2006-04-04 Eric Christopher <echristo@apple.com>
6074 * config/i386/i386.c (machopic_output_stub): Output \t
6075 between instructions and operands.
6077 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6079 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6080 satisfies_constraint_[IL] to explicit tests on value.
6082 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6084 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6085 set_nb_iterations_in_loop): Use build_int_cst instead of
6087 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6088 build_int_cst instead of convert.
6090 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6092 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6093 new value 2 for incoming.
6094 * function.c (expand_function_start): Call struct_value_rtx
6096 * config/sparc/sparc.md: Comment updated_return.
6097 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6098 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6099 struct return if sparc_std_struct_return and incoming is 2.
6100 (print_operand): Do not adjust return if
6101 sparc_std_struct_return.
6103 2006-04-04 Roger Sayle <roger@eyesopen.com>
6105 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6106 convert in the middle-end.
6107 * expr.c (store_expr, store_constructor, get_inner_reference,
6108 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6110 * tree.c (build_range_type): Likewise.
6112 2006-04-04 Tom Tromey <tromey@redhat.com>
6114 * doc/install.texi (Prerequisites): Mention jar.
6116 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6118 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6121 2006-04-04 Matthias Klose <doko@debian.org>
6123 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6124 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6127 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6129 * doc/extend.texi (Function Attributes): Rewrite visibility
6130 attribute documentation.
6131 * doc/invoke.texi (C++ Dialect Options): Rewrite
6132 -fvisibility-inlines-hidden documentation to describe something
6133 entirely different, although in practise compatible.
6134 (Code Gen Options): Warn about system headers in -fvisibility=
6137 * doc/extend.texi (Other Builtins): Document that
6138 __builtin_nan is a compile-time constant only when its argument
6141 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6143 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6144 trying to remove TRUNCATE check if all bits outside the new mode
6145 are identical to the sign bit.
6147 2006-04-03 Jeff Law <law@redhat.com>
6149 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6150 and operand scanning in some common cases.
6152 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6153 Dale Johannesen <dalej@apple.com>
6156 * regclass.c (struct reg_pref): Update documentation.
6157 (regclass): Set prefclass to NO_REGS if memory is the best option.
6158 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6159 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6160 into account. For non-registers, equate an empty preferred
6161 reload class to a `!' in the constraint; move the if clause to
6162 do so after those that reject the insn.
6163 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6165 (find_dummy_reload): Likewise.
6166 * doc/tm.texi (Register Classes): Document what it means
6167 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6168 * config/i386/i386.c (ix86_preferred_reload_class): Force
6169 using SSE registers (and return NO_REGS for floating-point
6170 constants) if math is done with SSE.
6171 (ix86_preferred_output_reload_class): New.
6172 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6173 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6174 * config/i386/i386.md: Remove # register preferences.
6176 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6179 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6180 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6181 the type of nb_iter.
6182 (instantiate_parameters_1): Convert the operands before calling
6183 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6184 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6186 2006-04-02 Roger Sayle <roger@eyesopen.com>
6188 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6189 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6191 * dojump.c (do_jump): Likewise.
6192 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6193 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6194 gimplify_boolean_expr): Likewise.
6195 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6196 * varasm.c (array_size_for_constructor): Likewise.
6197 * tree-object-size.c (compute_object_offset): Likewise.
6199 2006-04-02 Roger Sayle <roger@eyesopen.com>
6202 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6203 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6205 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6207 PR tree-optimization/26939
6208 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6210 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6212 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6213 at_stmt. Convert the type of operands before calling
6214 build_polynomial_chrec.
6215 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6217 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6218 (instantiate_parameters_1): Convert the type of operands before calling
6219 build_polynomial_chrec.
6220 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6221 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6222 reset_evolution_in_loop): Insert asserts to check the types of the
6224 (chrec_type): Moved...
6225 (eq_evolutions_p): Use operand_equal_p.
6226 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6227 the types of the operands.
6228 (chrec_type): ...here.
6229 * tree-data-ref.c (create_data_ref): Convert the operands before
6230 calling chrec_replace_initial_condition.
6231 (same_access_functions, analyze_subscript_affine_affine,
6232 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6233 (compute_subscript_distance, analyze_ziv_subscript,
6234 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6235 analyze_miv_subscript): Convert the operands before calling
6236 chrec_fold_minus or chrec_fold_plus.
6238 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6240 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6241 the dependence_relations vector.
6242 (compute_data_dependences_for_loop): Adjust call to
6243 compute_all_dependences.
6245 2006-04-01 Roger Sayle <roger@eyesopen.com>
6246 Richard Henderson <rth@redhat.com>
6248 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6249 gimple_boolify on the condition before calling gimplify_expr.
6251 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6253 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6254 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6255 the frame size. Update to use the new macros.
6256 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6257 * config/xtensa/ieee754-df.S: Likewise.
6259 2006-03-31 Richard Henderson <rth@redhat.com>
6261 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6262 (make_edges): ... here. Control fallthru creation with a local
6263 variable. Do not play with fake edges.
6264 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6265 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6268 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6270 * dwarf2.h (DW64_CIE_ID): Define.
6271 * dwarf2out.c (DWARF_CIE_ID): Define.
6272 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6273 length header. Use DWARF_CIE_ID.
6274 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6275 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6277 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6279 * config/sh/linux-atomic.asm: New file.
6280 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6282 2006-03-31 DJ Delorie <dj@redhat.com>
6284 * config/m32c/cond.md: Set condition flags properly throughout.
6285 * config/m32c/minmax.md: Likewise.
6286 * config/m32c/prologue.md: Likewise.
6287 * config/m32c/bitops.md: Likewise.
6288 * config/m32c/muldiv.md: Likewise.
6289 * config/m32c/mov.md: Likewise.
6290 * config/m32c/addsub.md: Likewise.
6291 * config/m32c/m32c.md: Likewise.
6292 * config/m32c/jump.md: Likewise.
6293 * config/m32c/shift.md: Likewise.
6295 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6296 conditionally output the pattern for this.
6297 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6298 (m32c_compare_redundant): New.
6299 (m32c_output_compare): New.
6300 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6302 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6303 dest, not src. Allow other 4-byte modes.
6305 2006-03-30 Denis Chertykov <denisc@overta.ru>
6307 * doc/md.texi: Refer to avr/constraints.md instead of
6310 2006-03-30 Roger Sayle <roger@eyesopen.com>
6312 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6313 signed vs. unsigned comparison failures on some hosts.
6315 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6318 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6319 change to FLOAT_REGS.
6321 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6322 (rs6000_override_options): Use it.
6323 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6324 only for -mabi=spe/no-spe and -mabi=altivec.
6326 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6328 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6331 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6333 * Makefile.in: Rename docdir to gcc_docdir.
6335 2006-03-30 Roger Sayle <roger@eyesopen.com>
6338 * expr.c (emit_group_store): Optimize group stores into a pseudo
6339 register by using a paradoxical subreg to initialize the destination
6340 if the first or last member of the group specifies a "low part".
6342 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6345 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6346 * target.h (struct gcc_target.speculate_insn): Change type of the
6347 second parameter to 'int'.
6348 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6349 the second operand of the DEPS_LIST.
6350 (copy_DEPS_LIST_list): Update reference to the second operand of the
6352 * rtl.h (alloc_DEPS_LIST): Update signature.
6353 * sched-int.h (ds_t): Change typedef to 'int'.
6354 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6356 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6358 * haifa-sched.c (try_ready): Change condition to restore
6359 non-speculative pattern of the instruction.
6360 (process_insn_depend_be_in_spec): Code to keep probability of the
6361 speculative dependence non-decreasing.
6363 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6365 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6366 (single_move_for_movmem): ... this. Also change all uses.
6367 (bfin_expand_strmov): Renamed to...
6368 (bfin_expand_movmem): ... this. Also change all uses.
6369 * config/bfin/bfin.md (movstrsi): Renamed to...
6370 (movstrsi): ...this.
6372 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6374 PR tree-optimization/26830
6376 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6377 (copy_prop_visit_stmt): Remove write-only variable ann.
6378 (init_copy_prop): Check variable loop depth here. Do not simulate
6379 memory-tag and virtual operand PHIs except for store copy prop.
6381 2006-03-30 Richard Guenther <rguenther@suse.de>
6383 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6384 variants with double arguments.
6386 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6388 * genpreds.c (write_tm_constrs_h): Delete variable p.
6389 * genconditions.c (write_header): Add tm-constrs.h to included
6391 * genpeep.c (main): Add toplev.h to included headers.
6392 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6393 (build/genpeep.o): Add toplev.h dependency.
6394 * config/rs6000/constraints.md: Add "W" constraint.
6396 2006-03-29 Roger Sayle <roger@eyesopen.com>
6398 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6399 sizes by correctly testing whether the size fits a host integer.
6400 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6401 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6402 SImode range for the default sizetype and bitsizetype.
6404 2006-03-29 Roger Sayle <roger@eyesopen.com>
6406 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6407 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6408 quickly if the argument is already of the correct type.
6409 Call fold_build1 instead of build1. Tidy up blank lines.
6411 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6413 * genemit.c (main): Add tm-constrs.h to included headers.
6414 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6415 * genpeep.c (main): Add tm-constrs.h to included headers.
6416 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6417 (write_tm_constrs_h): this and write complete file.
6418 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6419 (write_insn_preds_c): Add tm-constrs.h to included headers.
6420 (gen_constrs): New variable.
6421 (parse_option): Parse "-c".
6422 (main): Invoke write_tm_constrs_h.
6423 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6424 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6425 (object_out_file): Add tm-constrs.h dependency.
6426 (insn-emit.o): Same.
6427 (insn-output.o): Same.
6428 (insn-peep.o): Same.
6429 (insn-preds.o): Same.
6430 (insn-recog.o): Same.
6431 (tm-constsr.h): New target.
6432 (s-constrs-h): New target.
6434 * config/rs6000/constraints.md: New file.
6435 * config/rs6000/rs6000.c: Include tm-constrs.h.
6436 (num_insn_constant_wide): Convert to satisfies_constraint.
6437 (rs6000_rtx_costs): Convert to satisfies_constraint.
6438 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6439 (CONST_OK_FOR_LETTER_P): Delete.
6440 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6441 (EXTRA_CONSTRAINT): Delete.
6442 (EXTRA_MEMORY_CONSTRAINT): Delete.
6443 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6444 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6445 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6446 satisfies_constraint.
6448 * config/i386/i386.c: Include tm-constrs.h.
6450 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6452 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6453 * tree-data-ref.c (find_data_references_in_loop,
6454 compute_data_dependences_for_loop): Use pointers to VEC.
6455 (analyze_all_data_dependences): Adjust calls.
6456 * tree-data-ref.h (find_data_references_in_loop,
6457 compute_data_dependences_for_loop): Adjust declarations.
6458 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6459 compute_data_dependences_for_loop.
6461 2006-03-29 Paul Brook <paul@codesourcery.com>
6463 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6466 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6468 PR tree-optimization/26859
6469 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6471 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6472 for the step after fold_convert.
6474 2006-03-29 Paul Brook <paul@codesourcery.com>
6476 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6477 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6479 2006-03-29 Paul Brook <paul@codesourcery.com>
6482 * targhooks.c (default_narrow_bitfield): New fuction.
6483 * targhooks.h (default_narrow_bitfield): add prototype.
6484 * target.h (gcc_target): Add narrow_volatile_bitfield.
6485 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6486 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6487 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6488 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6490 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6492 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6494 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6495 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6496 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6497 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6498 (s390_function_arg_float): Allow SDmode and DDmode values to be
6499 passed in floating point registers.
6500 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6501 check with SCALAR_FLOAT_MODE_P.
6502 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6504 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6506 PR tree-optimization/25985
6507 * tree-ssa-loop-niter.c (number_of_iterations_le,
6508 number_of_iterations_ne): Make comments more precise.
6509 (number_of_iterations_cond): Add only_exit argument. Use the
6510 fact that signed variables do not overflow only when only_exit
6512 (loop_only_exit_p): New.
6513 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6514 number_of_iterations_cond.
6516 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6518 PR tree-optimization/26643
6519 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6522 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6524 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6525 (divsi3_i4_int): Likewise.
6527 2006-03-28 Roger Sayle <roger@eyesopen.com>
6529 * expr.c (emit_group_store): Only create a new pseudo reg if the
6530 quantity it needs to hold isn't already a suitable pseudo.
6532 2006-03-28 Jeff Law <law@redhat.com>
6534 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6535 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6537 2006-03-28 Roger Sayle <roger@eyesopen.com>
6539 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6540 the equivalent ~X & Y, and the symmetry related transformations.
6541 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6542 ~X & Y, and symmetry related transforms.
6544 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6546 Revert my 2006-03-27 patches.
6548 2006-03-28 Roger Sayle <roger@eyesopen.com>
6550 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6551 ~(T1)X, when T1 and T2 are integer types of the same precision
6552 and (T2)X isn't an extension.
6554 2006-03-28 Jeff Law <law@redhat.com>
6556 PR tree-optimization/26796
6557 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6558 need EH edge cleanups rather than purging them immediately.
6559 (eliminate_degenerate_phis): Handle queued EH cleanups.
6561 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6563 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6566 2006-03-27 Roger Sayle <roger@eyesopen.com>
6569 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6570 cast BIT_NOT_EXPR operand to the correct type.
6572 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6574 * tree-loop-linear.c: Don't include varray.h.
6575 (gather_interchange_stats, try_interchange_loops,
6576 linear_transform_loops): Use VEC instead of VARRAY.
6577 * lambda-mat.c: Don't include varray.h.
6578 * tree-chrec.c: Same.
6579 * lambda-trans.c: Same.
6580 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6581 VEC instead of VARRAY.
6582 * tree-vectorizer.h: Idem.
6583 * tree-data-ref.c (dump_data_references,
6584 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6585 initialize_data_dependence_relation, finalize_ddr_dependent,
6586 compute_all_dependences, find_data_references_in_loop,
6587 compute_data_dependences_for_loop, analyze_all_data_dependences,
6588 free_dependence_relation, free_dependence_relations,
6589 free_data_refs): Idem.
6590 * tree-data-ref.h (data_reference_p, subscript_p): New.
6591 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6592 VEC instead of VARRAY.
6593 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6594 (find_data_references_in_loop, compute_data_dependences_for_loop,
6595 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6596 dump_data_dependence_relations, free_dependence_relations,
6597 free_data_refs): Adjust declaration.
6598 (lambda_transform_legal_p): Move declaration here...
6599 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6600 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6601 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6602 vect_analyze_data_refs): Use VEC instead of VARRAY.
6603 * lambda.h (lambda_transform_legal_p): ...from here.
6604 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6605 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6606 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6607 tree-chrec.o): Don't depend on VARRAY_H.
6609 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6611 * rtl.def (Copyright): Update date.
6612 (DEPS_LIST): Change type of the second operand to 'int'.
6613 * target.h (Copyright): Update date.
6614 (struct gcc_target.speculate_insn): Change type of the second parameter
6616 * lists.c (Copyright): Update date.
6617 (alloc_DEPS_LIST): Change signature. Update reference to the second
6618 operand of the DEPS_LIST.
6619 (copy_DEPS_LIST_list): Update reference to the second operand of the
6621 * rtl.h (Copyright): Update date.
6622 (alloc_DEPS_LIST): Update signature.
6623 * sched-int.h (Copyright): Update date.
6624 (ds_t): Change typedef to 'int'.
6625 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6627 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6629 * haifa-sched.c (Copyright): Update date.
6630 (try_ready): Change condition to restore non-speculative pattern
6632 (process_insn_depend_be_in_spec): Code to keep probability of the
6633 speculative dependence non-decreasing.
6635 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6637 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6638 shut up the compiler.
6640 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6642 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6643 to use lib prefix for target.
6644 ($(T)libic_invalidate_array_4-200.a): Likewise.
6645 ($(T)libic_invalidate_array_4a.a): Likewise.
6647 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6648 J"orn Rennecke <joern.rennecke@st.com>
6650 * superh.opt: New file.
6651 * sh.c (boardtype, osruntime): Remove.
6652 * superh.h (SUBTARGET_OPTIONS): Remove.
6653 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6655 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6656 arguments with ^ and/or [].
6658 * config.gcc (sh-*-*): Add quoting to account for quirk of
6660 Replace == with = in enable_incomplete_targets test.
6662 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6663 with MASK_LITTLE_ENDIAN.
6665 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6666 * config/sh/sh.opt: Added to some comments.
6667 * config/sh/superh.h: Removed some chaff.
6669 * config/sh/sh.opt: Add m4-[1234]00* options.
6670 * config/sh/sh.c (sh_handle_option): Likewise.
6671 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6672 (ic_invalidate_array_4-100.o): New rule.
6673 ($(T)libic_invalidate_array_4-100.a): Likewise.
6674 (ic_invalidate_array_4-200.o): Likewise.
6675 ($(T)libic_invalidate_array_4-200.a): Likewise.
6676 (ic_invalidate_array_4a.o): Likewise.
6677 ($(T)libic_invalidate_array_4a.a): Likewise.
6678 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6679 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6681 * config/sh/crt1.asm: Merged in profiling code.
6682 * config/sh/superh.h (STARTFILE_SPEC): Override.
6683 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6684 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6685 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6687 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6688 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6689 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6691 * sh.opt (mpretend-cmove): New option.
6692 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6693 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6694 (movsicc): Add TARGET_PRETEND_CMOVE code.
6696 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6698 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6699 s390_class_max_nregs): New function prototypes.
6700 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6701 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6702 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6703 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6705 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6707 * dwarf2out.c (add_location_or_const_value_attribute): Call
6708 tree_add_const_value_attribute if nothing else works.
6709 (reference_to_unused): New.
6710 (rtl_for_decl_init): Use reference_to_unused to decide whether
6711 to output an initializer.
6713 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6716 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6717 peephole removing spe frob_di_df_2.
6719 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6721 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6722 (subscript_dependence_tester_1): Declared.
6723 (print_dir_vectors, print_dist_vectors): New.
6724 (debug_data_dependence_relation): New.
6725 (dump_data_dependence_relation): Print more details.
6726 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6727 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6728 (save_dist_v, save_dir_v, add_outer_distances,
6729 build_classic_dist_vector_1): New.
6730 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6731 Don't test for lambda_vector_lexico_pos.
6732 (same_access_functions, add_multivariate_self_dist,
6733 add_other_self_distances, dir_from_dist): New.
6734 (build_classic_dir_vector): Replace implementation almost identical to
6735 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6737 (subscript_dependence_tester_1): New.
6738 (subscript_dependence_tester): Handle the lexicographically negative
6739 distance vectors by recomputing the dependence relation.
6740 (compute_affine_dependence): Remove parameter loop_nest_depth.
6741 (compute_self_dependence): Don't call compute_subscript_distance.
6742 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6743 Add a parameter for the loop_nest.
6744 (find_loop_nest_1, find_loop_nest): New.
6745 (compute_data_dependences_for_loop): Compute the loop nest, and give
6746 up if the nest is not well formed.
6747 * tree-data-ref.h (loop_p): New.
6748 (struct data_dependence_relation): Replace size_vect field with
6749 loop_nest, a vec of loops.
6750 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6751 (DDR_LOOP_NEST): New.
6752 (print_dir_vectors, print_dist_vectors,
6753 debug_data_dependence_relation): Declared.
6754 (index_in_loop_nest): New.
6755 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6756 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6759 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6761 * simplify-rtx.c (simplify_relational_operation): Call
6762 simplify_relational_operation_1 even if mode is VOIDmode.
6764 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6766 PR tree-optimization/26804
6767 * tree.h (DECL_CALL_CLOBBERED): New macro.
6768 (tree_decl_common): Add call_clobbered_flag.
6769 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6770 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6771 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6772 (mark_non_addressable): Ditto.
6773 * tree-ssa.c (verify_call_clobbered): New function.
6774 (verify_alias_info): Use it.
6775 * tree-pass.h (pass_reset_cc_flags): New prototype.
6776 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6777 (reset_cc_flags): New function.
6778 * passes.c (init_optimization_passes): Call reset_cc_flags after
6779 initializing referenced_vars.
6781 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6782 Roger Sayle <roger@eyesopen.com>
6785 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6786 to 1.0 for non-real operands. Implement A / A optimization for
6789 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6791 * config/i386/i386.c (size_cost): Correct the comment for
6792 cost of storing fp registers.
6793 (i386_cost): Likewise.
6794 (i486_cost): Likewise.
6795 (pentium_cost): Likewise.
6796 (pentiumpro_cost): Likewise.
6797 (k6_cost): Likewise.
6798 (athlon_cost): Likewise.
6799 (k8_cost): Likewise.
6800 (pentium4_cost): Likewise.
6801 (nocona_cost): Likewise.
6802 (generic64_cost): Likewise.
6803 (generic32_cost): Likewise.
6805 2006-03-24 Denis Chertykov <denisc@overta.ru>
6807 * config/avr/avr-protos.h (extra_constraint): Delete.
6808 (extra_constraint_Q): New declaration.
6809 * config/avr/constraints.md: New file.
6810 * config/avr/avr.md: Include it.
6811 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6812 (TMP_REGNO, ZERO_REGNO): Likewise.
6813 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6814 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6815 (extra_constraint): Delete.
6816 (extra_constraint_Q): Test for memory constraint 'Q'.
6817 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6818 (REG_CLASS_FROM_LETTER): Delete.
6819 (CONST_OK_FOR_LETTER_P): Delete.
6820 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6821 (EXTRA_CONSTRAINT): Delete.
6822 (TMP_REGNO): Delete.
6823 (ZERO_REGNO): Delete.
6825 2006-03-24 Jeff Law <law@redhat.com>
6827 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6828 directly. Call mark_new_vars_to_rename slightly earlier.
6830 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6832 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6834 (gen_compile_unit_die): Use new language types for Objective-C and
6836 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6837 DW_LANG_C_plus_plus.
6840 * config/t-darwin (crt3.o): Work around bug 26840.
6841 * config/darwin-crt3.c: Rewrite.
6842 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6844 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6846 * doc/invoke.texi: Document -femit-class-debug-always
6847 * common.opt: Add -femit-class-debug-always.
6849 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6851 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6852 index and base register.
6853 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6854 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6855 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6856 REGNO_OK_FOR_INDEX_P.
6857 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6859 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6860 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6861 REG_OK_FOR_BASE_P): Definitions removed.
6863 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6866 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6867 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6868 set yet or weren't marked as local yet.
6870 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6872 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6875 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6877 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6878 (rs6000_legitimate_small_data_p): Delete.
6879 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6880 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6881 and make static. Add forward declaration. Update uses.
6882 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6883 of offsettable_memref_p.
6884 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6885 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6887 2006-03-24 Jeff Law <law@redhat.com>
6889 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6890 around bug in immediate-use iterator.
6892 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6895 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6896 or __LITTLE_ENDIAN__.
6898 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6900 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6901 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6902 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6903 * config/sh/sh.opt (mdiv=): Amend description.
6904 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6905 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6906 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6907 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6908 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6909 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6910 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6911 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6912 TARGET_DIVIDE_CALL_FP.
6914 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6916 * haifa-sched.c (choose_ready): Fix type of the local variable.
6917 Move local variables. Add comment.
6918 (check_reg_live): Change signature. Make callable from debugger.
6919 * sched-int.h (check_reg_live): Update signature.
6920 * sched-ebb.c (check_reg_live): Update parameters.
6921 * sched-rgn.c (check_reg_live): Ditto.
6922 (region_head_or_leaf_p): Check pointer before dereferencing.
6923 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6924 before reload on optimization levels below 1.
6926 2006-03-23 Richard Henderson <rth@redhat.com>
6928 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6932 * config/alpha/predicates.md (local_symbolic_operand): Reject
6935 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6938 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6939 expressions which have overflowed constants.
6941 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6943 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6945 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6947 * cfgloopmanip.c (create_loop_notes): Removed.
6948 * final.c (final_scan_insn): Do not handle loop notes.
6949 * jump.c (squeeze_notes): Ditto.
6950 * cfglayout.c (skip_insns_after_block,
6951 duplicate_insn_chain): Ditto.
6952 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6954 * cfgloop.h (create_loop_notes): Declaration removed.
6956 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6958 * varasm.c (output_constant_pool): Restore fnname and fndecl
6960 (assemble_start_function): Adjust call accordingly.
6961 (assemble_end_function): Likewise.
6963 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6966 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6969 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6971 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6974 * system.h (ICE_EXIT_CODE): New macro.
6975 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6976 (diagnostic_action_after_output): Likewise.
6977 * gcc.c (fatal_ice): New function.
6978 (execute): Use it instead of fatal.
6979 (fancy_abort): Likewise.
6980 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6982 2006-03-22 Jeff Law <law@redhat.com>
6984 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6985 iv_analyze_result returning false.
6987 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6989 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6991 2006-03-22 Richard Henderson <rth@redhat.com>
6994 * except.c (duplicate_eh_regions_0): New.
6995 (duplicate_eh_region_1): Duplicate the children of the node as
6996 well as the node itself. Link them up properly.
6997 (duplicate_eh_region_2): Merge into ...
6998 (duplicate_eh_regions): ... here. Take copy_region argument, and
6999 copy only a sub-tree if asked. Simplify copying and fixup.
7000 (eh_region_outer_p): New.
7001 * except.h (duplicate_eh_regions): Update decl.
7002 (eh_region_outer_p): Declare.
7003 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7004 (lower_omp_master): Likewise.
7005 (lower_omp_ordered): Likewise.
7006 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7007 (move_stmt_r): Use it to remap labels. Handle recursion vs
7008 remap_decls_p properly.
7009 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7010 (find_outermost_region_in_block): New.
7011 (new_label_mapper): New.
7012 (move_sese_region_to_fn): Copy eh information to the new function
7014 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7016 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7019 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7021 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7022 into shared libraries.
7024 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7026 * doc/md.texi: Refer to i386/constraints.md instead of
7028 * config/i386/constraints.md: New file, extracted from...
7029 * config/i386/predicates.md: ...here.
7030 * config/i386/i386.md: Include constraints.md.
7032 2006-03-21 Jason Merrill <jason@redhat.com>
7034 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7037 * expr.c (init_block_move_fn): Force default visibility.
7038 (init_block_clear_fn): Likewise.
7039 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7040 * targhooks.c (default_external_stack_protect_fail): Likewise.
7042 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7044 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7045 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7046 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7047 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7048 (loadgp): Use mips_current_loadgp_style.
7049 (loadgp_noshared): New pattern.
7050 (sibcall_internal): Use MIPS_CALL.
7051 (sibcall_value_internal): Likewise.
7052 (sibcall_value_multiple_internal): Likewise.
7053 (call_internal): Likewise.
7054 (call_value_internal): Likewise.
7055 (call_value_multiple_internal): Likewise.
7056 (call_split): Use MIPS_CALL and add an 'S' constraint.
7057 (call_value_split): Likewise.
7058 (call_value_multiple_split): Likewise.
7059 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7060 (-mshared): New option.
7061 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7062 (mips_current_loadgp_style): Declare.
7063 * config/mips/mips.c (mips_classify_symbol): Avoid using
7064 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7065 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7066 TARGET_ABSOLUTE_ABICALLS.
7067 (override_options): Adjust comments. Improve the warning that is
7068 issued when -mabicalls and -G are used together.
7069 (mips_file_start): Remove comment.
7070 (mips_current_loadgp_style): New function.
7071 (mips_gnu_local_gp): New variable.
7072 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7074 (mips_output_function_prologue): Use mips_current_laodgp_style.
7075 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7076 the cprestore instruction.
7077 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7078 live for TARGET_ABSOLUTE_ABICALLS.
7079 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7080 (ASM_SPEC): Pass down -mshared and -mno-shared.
7081 (MIPS_CALL): New macro.
7082 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7084 * doc/invoke.texi (-mabicalls): Update documentation.
7085 (-mshared): Document.
7087 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7089 * config/ia64/unwind-hpux.c: New file.
7090 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7092 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7095 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7097 2006-03-21 Jeff Law <law@redhat.com>
7099 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7100 type conversions of a VR_VARYING source to a wider type.
7102 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7104 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7105 tm_file on Solaris 10 and later.
7106 (sparc64-*-solaris2*): Likewise.
7107 (sparc-*-solaris2*): Likewise.
7108 * config/sol26.h: Rename to config/sol2-6.h.
7109 * config/sol2-10.h: New file.
7111 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7114 * tree-ssa-pre.c (create_component_ref_by_pieces):
7117 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7120 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7121 return it immediately.
7123 2006-03-21 Michael Matz <matz@suse.de>
7125 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7127 (remove_arc, add_arc): Update num_out_arcs member.
7128 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7130 (cache_presence): New function.
7131 (compare_states_for_equiv): New function.
7132 (state_is_differed): Don't take number of outargs, adjust callers.
7133 Use new invariant for speeding up.
7134 (init_equiv_class): Create initial classes based on sorted
7136 (partition_equiv_class): Don't track out_arcs_num.
7137 (evaluate_equiv_classes): Call cache_presence on all states and
7140 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7142 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7143 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7144 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7145 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7147 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7148 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7149 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7150 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7151 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7153 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7154 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7155 (REGNO_REG_CLASS): ARGP is in PREGS.
7156 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7158 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7159 to deal with those addresses.
7160 * addresses.h: New file.
7161 * caller-save.c: Include "addresses.h".
7162 (init_caller_save): Use new base_reg_class function.
7163 * rtl-factoring.c: Include "addresses.h".
7164 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7165 * recog.c: Include "addresses.h".
7166 (preprocess_constraints): Use new base_reg_class function.
7167 * regrename.c: Include "addresses.h".
7168 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7169 functions. Keep track of a new var INDEX_CODE to compute valid
7171 (replace_oldest_value_addr): Likewise.
7172 (replace_oldest_value_mem): Use base_reg_class.
7173 * reload.c: Include "addresses.h".
7174 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7175 (find_reloads): Use new base_reg_class function.
7176 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7177 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7178 all callers and prototype changed.
7179 * reload1.c: Include "addresses.h".
7180 (maybe_fix_stack_asms): Use base_reg_class.
7181 * regclass.c: Include "addresses.h".
7182 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7183 (init_reg_autoinc): Use new base_reg_class function.
7184 (record_reg_classes): Likewise.
7185 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7186 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7187 Use new args to compute necessary class.
7189 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7190 regrename.o, rtl-factoring.o): Update dependencies.
7191 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7192 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7193 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7194 REG_OK_FOR_INDEX_P): Delete documentation.
7196 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7198 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7199 from V7 to V9 for Solaris 7 and above.
7201 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7203 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7204 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7205 argument pointers may not alias any other storage.
7206 * common.opt: Define option -fargument-noalias-anything.
7207 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7208 alias semantics is specified by flag_argument_noalias > 2.
7210 2006-03-20 Jeff Law <law@redhat.com>
7212 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7213 (pass_phi_only_cprop): Declare.
7214 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7216 * tree-ssa-dom.c (degenerate_phi_result): New function.
7217 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7218 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7219 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7220 (eliminate_degenerate_phis): Likewise.
7221 (pass_phi_only_cprop): New pass descriptor.
7222 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7223 support code. Callers updated.
7224 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7225 (store_copy_prop): Likewise.
7226 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7228 2006-03-20 Jason Merrill <jason@redhat.com>
7231 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7232 (push_visibility, pop_visibility): Likewise.
7233 * c-pragma.h: Declare them.
7235 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7237 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7239 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7240 parameter and use get_ebb_head_tail.
7241 (sh_md_init_global): Adjust uses of find_regmode_weight.
7243 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7245 * function.h (struct function) <x_tail_recursion_reentry>:
7246 Rename to x_stack_check_probe_note.
7247 (tail_recursion_reentry): Rename to stack_check_probe_note.
7248 * function.c: Replace tail_recursion_reentry with
7249 stack_check_probe_note everywhere.
7250 (expand_function_start): Only emit a note for
7251 stack_check_probe_note with -fstack-protect.
7252 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7254 * emit-rtl.c (remove_unnecessary_notes): Remove.
7255 (pass_remove_unnecessary_notes): Remove.
7256 * rtl.h (remove_unnecessary_notes): Remove prototype.
7257 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7258 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7259 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7261 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7264 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7265 (valid_in_set): Handle ARRAY_REF.
7266 Change "if min_variant or VH" to asserts.
7267 (create_component_ref_by_pieces): Handle ARRAY_REF.
7268 (create_expression_by_pieces): Likewise.
7269 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7271 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7273 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7274 is operand of switch, not str[0].
7276 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7278 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7279 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7281 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7283 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7284 end of insn_extra_address_constraint declaration.
7286 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7288 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7289 (no-sum-in-toc): Same.
7290 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7292 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7293 NO_FP_IN_TOC for -fPIC instead of mask.
7295 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7296 (BOOT_LDFLAGS): Delete.
7298 * config/rs6000/t-aix52: Same.
7300 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7301 (stmsi[345678]_power): New.
7303 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7305 * config/ia64/ia64.opt: Add empty line to end of file.
7307 2006-03-17 Richard Guenther <rguenther@suse.de>
7310 * builtins.c (get_pointer_alignment): For component style references
7311 adjust alignment to the component type alignment. Make sure
7312 to adjust alignment for component access of constants.
7314 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7316 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7319 2006-03-17 Paul Brook <paul@codesourcery.com>
7321 * doc/install.texi: Docuemnt --with-mode.
7322 * config.gcc: Add --with-mode for arm*-*-*.
7323 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7325 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7327 * sh.c (max_labelno_before_reorg): New variable.
7328 (sh_reorg): Initialize it.
7329 (find_barrier): Check max_labelno_before_reorg before using
7330 label_to_alignment. Take length of explicit alignment insns
7331 into account. When seeing a UNSPECV_CONST_END, return it.
7333 * sh.c (fixup_mova): Set mode of affected label to QImode.
7334 (untangle_mova): New function.
7335 (find_barrier): Use it. Check mode of label before decrementing
7337 (sh_reorg): Likewise.
7338 Set mode of all insns back to VOIDmode.
7340 * sh.c (MOVA_LABELREF): New macro.
7341 (mova_p, fixup_mova, sh_reorg): Use it.
7342 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7343 ADDR_DIFF_VEC matches mova.
7345 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7347 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7348 with ATTRIBUTE_UNUSED.
7350 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7352 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7353 pointer, instead of assuming it is possible to derive the
7354 correct args size from a call insn.
7356 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7358 * rtl.h (CONST_INT_P): Define.
7359 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7360 instead of GET_CODE(x) == CONST_INT.
7361 (vax_rtx_costs): Likewise.
7362 (vax_output_int_move): Likewise.
7363 (vax_output_int_add): Likewise.
7364 (legitimate_constant_address_p): Likewise.
7365 (index_term_p): Likewise.
7366 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7367 * config/vax/vax.md (and<mode>3): Likewise.
7368 (ashrsi3): Likewise.
7370 (movstricthi): Likewise.
7371 (movstrictqi): Likewise.
7372 (rotrsi3): Likewise.
7373 (five unnamed insns): Likewise.
7375 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7377 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7378 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7379 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7380 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7381 Pass to ASM_OUTPUT_DWARF_OFFSET.
7382 * dwarf2out.c (debug_frame_section): New.
7383 (output_call_frame_info): Use debug_frame_section. Pass it to
7384 dw2_asm_output_offset.
7385 (output_die): Pass appropriate section to dw2_asm_output_offset.
7386 (output_compilation_unit_header): Likewise.
7387 (output_pubnames): Likewise.
7388 (output_aranges): Likewise.
7389 (enum dw_val_class): Break dw_val_class_lbl_offset into
7390 dw_val_class_lineptr and dw_val_class_macptr.
7391 (add_AT_lbl_offset): Delete.
7392 (add_AT_lineptr): New.
7393 (add_AT_macptr): New.
7394 (AT_lbl): Expect a lineptr or macptr.
7395 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7396 (attr_checksum): Likewise.
7397 (same_dw_val_p): Likewise.
7398 (size_of_die): Likewise.
7399 (value_format): Likewise.
7400 (output_die): Likewise.
7401 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7403 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7404 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7405 * config/darwin-protos.h (darwin_file_start): New.
7406 (darwin_asm_output_dwarf_offset): New.
7407 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7408 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7410 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7411 if not EH section; simplify.
7412 (darwin_file_start): New.
7413 (darwin_asm_output_dwarf_offset): New.
7414 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7416 (DEBUG_INFO_SECTION): Likewise.
7417 (DEBUG_ABBREV_SECTION): Likewise.
7418 (DEBUG_ARANGES_SECTION): Likewise.
7419 (DEBUG_MACINFO_SECTION): Likewise.
7420 (DEBUG_LINE_SECTION): Likewise.
7421 (DEBUG_LOC_SECTION): Likewise.
7422 (DEBUG_PUBNAMES_SECTION): Likewise.
7423 (DEBUG_STR_SECTION): Likewise.
7424 (DEBUG_RANGES_SECTION): Likewise.
7425 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7426 (ASM_OUTPUT_DWARF_OFFSET): New.
7428 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7430 * config.gcc (tm_defines): Always add to previous value rather
7433 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7435 * config/mips/predicates.md (splittable_const_int_operand): New,
7436 split from move_operand.
7437 (splittable_symbolic_operand): New.
7438 (move_operand): Add commentary. Use splittable_const_int_operand.
7439 Inline mips_atomic_symbolic_constant_p.
7440 * config/mips/mips.md: Add combine splitters for handling moves
7441 of splittable_const_int_operands and splittable_symbolic_operands.
7442 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7443 (mips_split_symbol): Declare.
7444 (mips_move_integer): Declare.
7445 * config/mips/mips.c (mips_split_p): Make global.
7446 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7447 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7448 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7449 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7450 (mips_offset_within_object_p): Handle block symbols.
7451 (mips_atomic_symbolic_constant_p): Delete.
7452 (mips_cannot_force_const_mem): Return false for constants that
7453 mips_legitimize_move can handle.
7454 (mips_use_blocks_for_constant_p): New function.
7455 (mips_split_symbol): Make global.
7456 (mips_move_integer): Likewise. Add a temporary register argument.
7457 (mips_legitimize_const_move): Use splittable_const_int_operand and
7458 splittable_symbolic_operand.
7459 (mips_use_anchors_for_symbol_p): New function.
7460 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7461 (mips_split_p): Declare.
7463 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7465 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7466 (mips*-*-linux*): Likewise.
7468 2006-03-16 Roger Sayle <roger@eyesopen.com>
7469 Daniel Speyer <dspeyer@wam.umd.edu>
7472 * tree-dump.c (dump_real): New function.
7473 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7474 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7475 (tree-dump.o): Add $(REAL_H) to the dependencies.
7477 2006-03-16 Roger Sayle <roger@eyesopen.com>
7480 * real.c (real_from_string): If the mantissa is zero, don't bother
7481 parsing the exponent as the result should always be zero.
7483 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7485 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7487 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7489 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7490 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7491 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7492 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7493 ia64_sched_finish_global): New static functions to implement
7494 hooks from gcc_target.sched.
7495 (spec_check_no, max_uid, pending_data_specs): New static variables.
7496 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7497 ia64_spec_check_src_p): New static functions.
7498 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7499 (TARGET_SCHED_ADJUST_COST): Removed.
7500 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7501 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7502 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7503 TARGET_SCHED_GEN_CHECK,
7504 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7505 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7506 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7507 Fixed to handle speculation checks.
7508 (rtx_needs_barrier): Fixed to handle speculative loads and
7510 (ia64_variable_issue): Added code to count speculative loads and their
7512 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7514 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7516 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7518 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7519 (ia64_reorg): Reset stops_p to NULL after it is freed.
7520 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7521 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7522 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7524 (data_speculative, control_speculative, check_load): New attributes.
7525 (mov<mode>_advanced, mov<mode>_speculative,
7526 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7527 zero_extend<mode>di2_speculative,
7528 zero_extend<mode>di2_speculative_advanced): New patterns for
7529 data and control speculative loads.
7530 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7532 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7533 New pattern for data and control speculation checks.
7534 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7535 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7536 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7537 Auxiliary definitions for the patterns.
7538 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7539 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7541 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7543 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7544 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7545 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7546 New resource constraints.
7547 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7549 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7550 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7551 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7552 msched-in-control-spec, msched-ldc, msched-control-ldc,
7553 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7554 msched-prefer-non-control-spec-insns,
7555 msched-count-spec-in-critical-path): New flags to tune speculative
7557 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7558 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7559 msched-in-control-spec, msched-ldc, msched-control-ldc,
7560 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7561 msched-prefer-non-control-spec-insns,
7562 msched-count-spec-in-critical-path): Document new flags.
7564 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7566 * target.h (struct spec_info_def): New opaque declaration.
7567 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7568 speculate_insn, needs_block_p, gen_check,
7569 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7570 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7571 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7572 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7573 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7574 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7576 (TARGET_SCHED): Use new macros.
7577 * rtl.h (copy_DEPS_LIST_list): New prototype.
7578 * sched-int.h (struct sched_info): Change signature of new_ready field,
7579 adjust all initializations. New fields: add_remove_insn,
7580 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7581 region_head_or_leaf_p.
7582 (struct spec_info_def): New structure declaration.
7583 (spec_info_t): New typedef.
7584 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7585 recovery_block, orig_pat.
7586 (glat_start, glat_end): New variables declaraions.
7587 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7589 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7590 DETACH_LIFE_INFO, USE_GLAT.
7591 (enum SPEC_SCHED_FLAGS): New enumeration.
7592 (NOTE_NOTE_BB_P): New macro.
7593 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7594 attach_life_info, debug_spec_status, check_reg_live): New functions.
7595 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7596 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7598 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7599 * ddg.c (get_block_head_tail): Adjust all uses.
7600 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7601 (sms_sched_info): Initialize new fields.
7602 (contributes_to_priority): Removed.
7603 * haifa-sched.c (params.h): New include.
7604 (get_block_head_tail): Adjust all uses.
7605 (ISSUE_POINTS): New macro.
7606 (glat_start, glat_end): New global variables.
7607 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7608 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7609 old_last_basic_block, before_recovery, current_sched_info_var,
7610 rgn_n_insns, luid): New static variables.
7611 (insn_cost1): New function. Move logic from insn_cost to here.
7612 (find_insn_reg_weight1): New function. Move logic from
7613 find_insn_reg_weight to here.
7614 (reemit_notes, move_insn, max_issue): Change signature.
7615 (move_insn1): Removed.
7616 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7617 extend_bb): New static functions to support extension of scheduler's
7619 (generate_recovery_code, process_insn_depend_be_in_spec,
7620 begin_speculative_block, add_to_speculative_block,
7621 init_before_recovery, create_recovery_block, create_check_block_twin,
7622 fix_recovery_deps): New static functions to support
7623 generation of recovery code.
7624 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7625 restore_bb_notes, move_block_after_check, move_succs): New static
7626 functions to support ebb scheduling.
7627 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7628 functions to support handling of register live information.
7629 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7630 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7631 add_jump_dependencies): New static functions.
7632 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7633 consistancy checking.
7634 (debug_spec_status): New function to call from debugger.
7635 (priority): Added code to handle speculation checks.
7636 (rank_for_schedule): Added code to distinguish speculative instructions.
7637 (schedule_insn): Added code to handle speculation checks.
7638 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7639 Fixed to handle ebbs.
7640 (move_insn): Added code to handle ebb scheduling.
7641 (max_issue): Added code to use ISSUE_POINTS of instructions.
7642 (choose_ready): Added code to choose between speculative and
7643 non-speculative instructions.
7644 (schedule_block): Added code to handle ebb scheduling and scheduling of
7645 speculative instructions.
7646 (sched_init): Initialize new variables.
7647 (sched_finish): Free new variables. Print statistics.
7648 (try_ready): Added code to handle speculative instructions.
7649 * lists.c (copy_DEPS_LIST_list): New function.
7650 * sched-deps.c (extend_dependency_caches): New function. Move logic
7651 from create_dependency_caches to here.
7652 (get_dep_weak, ds_merge): Make global.
7653 * genattr.c (main): Code to output prototype for
7654 dfa_clear_single_insn_cache.
7655 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7656 (output_dfa_clean_insn_cache_func): Code to output
7657 dfa_clear_single_insn_cache function.
7658 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7660 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7662 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7663 New static variables.
7664 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7665 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7667 (ebb_sched_info): Initialize new fields.
7668 (get_block_head_tail): Adjust all uses.
7669 (compute_jump_reg_dependencies): Fixed to use glat_start.
7670 (schedule_ebb): Code to remove unreachable last block.
7671 (schedule_ebbs): Added code to update register live information.
7672 * sched-rgn.c (region_sched_info): Initialize new fields.
7673 (get_block_head_tail): Adjust all uses.
7674 (last_was_jump): Removed. Adjust users.
7675 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7676 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7677 Implement new hooks.
7678 (check_dead_notes1): New static function.
7679 (struct region): New fields: dont_calc_deps, has_real_ebb.
7680 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7681 (BB_TO_BLOCK): Fixed to handle EBBs.
7682 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7683 (ebb_head): New static variable.
7684 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7685 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7687 (compute_dom_prob_ps): New assertion.
7688 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7689 global_live_at_start.
7690 (init_ready_list): New assertions.
7691 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7692 (new_ready): Add support for BEGIN_CONTROL speculation.
7693 (schedule_insns): Fixed code that updates register live information
7695 (schedule_region): Fixed to handle EBBs.
7696 (init_regions): Use extend_regions and check_dead_notes1.
7697 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7698 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7699 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7700 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7701 TARGET_SCHED_GEN_CHECK,
7702 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7703 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7704 * doc/invoke.texi (max-sched-insn-conflict-delay,
7705 sched-spec-prob-cutoff): Document.
7707 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7709 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7710 inter_tick, queue_index.
7711 (struct sched_info): Change signature of init_ready_list field.
7712 Adjust all initializations.
7713 (RESOLVED_DEPS): New access macro.
7714 (ready_add): Remove prototype.
7715 (try_ready): Add prototype.
7716 * sched-rgn.c (init_ready_list): Use try_ready.
7717 (schedule_region): Initialize
7718 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7719 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7720 (init_ready_list): Use try_ready.
7721 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7722 * lists.c (remove_list_elem): Remove `static'.
7723 (remove_free_INSN_LIST_elem): New function.
7724 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7725 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7726 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7728 (readyp): New variable.
7729 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7730 change_queue_index, resolve_dep): New static functions.
7731 (try_ready): New function. Adjust callers in sched-rgn.c and
7732 sched-ebb.c to use it instead of ready_add.
7733 (clock_var): Move at the begining of file.
7734 (rank_for_schedule): Fix typo.
7735 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7736 (ready_lastpos): Enforce assertion.
7737 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7739 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7740 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7741 (queue_to_ready): Use free_INSN_LIST_list.
7742 (early_queue_to_ready): Fix typo.
7743 (schedule_block): Init readyp. Move init_ready_list call after the
7744 initialization of clock_var. Fix error in rejecting insn by
7745 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7746 that previously corrected INSN_TICKs. Add code for handling
7748 (set_priorities): Fix typo.
7749 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7750 Clarify comment and code that keeps current_sched_info->next_tail
7753 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7755 * sched-rgn.c (extend_rgns): New static function.
7756 (find_rgns): Use it.
7757 (gather_region_statistics, print_region_statistics): New static
7759 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7760 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7762 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7763 Andrey Belevantsev <abel@ispras.ru>
7765 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7766 * lists.c (unused_deps_list): New variable.
7767 (free_list): Add assertions to verify the proper distinguishing
7768 between INSN_LISTs and DEPS_LISTs.
7769 (find_list_elem, remove_list_elem, remove_list_node): New static
7771 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7772 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7773 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7774 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7776 (free_INSN_LIST_node): Likewise.
7777 * modulo-sched.c (current_sched_info): Initialize flags field.
7778 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7779 * rtl.def (DEPS_LIST): Define.
7780 * rtl.h: Declare new functions from lists.c.
7781 * sched-deps.c (spec_dependency_cache): New static variable.
7782 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7783 (add_dependence): Change return type to void. Move the logic to ...
7784 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7785 (delete_all_dependences): Add comment about forward_dependency_cache.
7786 Handle spec_dependency_cache. Handle DEPS_LISTs.
7787 (fixup_sched_groups): Clarify the change of priority of output
7788 and anti dependencies.
7789 (sched_analyze_2): Adjust add_dependence calls to create data
7790 speculative dependence.
7791 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7792 Adjust all callers. Handle DEPS_LISTS.
7793 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7794 presence of speculation.
7795 (init_dependency_caches, free_dependency_caches):
7796 Handle spec_dependency_cache.
7797 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7798 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7799 New static functions.
7800 (add_or_update_back_dep, add_or_update_back_forw_dep,
7801 add_back_forw_dep, delete_back_forw_dep): New functions.
7802 * sched-int.h (ds_t, dw_t): New typedefs.
7803 (struct sched_info): Add new field flags.
7804 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7805 Prototype new sched-deps.c functions.
7806 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7807 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7808 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7809 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7810 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7811 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7813 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7815 * sched-rgn.c (current_sched_info): Initialize flags field.
7816 (schedule_insns): Initialize current_sched_info before the sched_init
7818 * sched-ebb.c (current_sched_info): Initialize flags field.
7819 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7820 Call add_or_update_back_dep instead of add_dependence.
7821 Create control speculative dependencies.
7822 (schedule_insns): Initialize current_sched_info before the sched_init
7825 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7827 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7829 (sh_fallback_frame_state): Likewise.
7831 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7833 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7834 Do switch on default_use_cxa_atexit.
7835 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7836 * config/darwin-crt3.o: New.
7837 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7838 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7839 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7841 * config/rs6000/t-darwin: Move crt2.o building to here.
7842 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7843 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7846 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7848 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7849 from '! xxx' to '!xxx' for coding-style conformance.
7850 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7851 (EXTRA_CONSTRAINT): Likewise.
7852 * config/vax/vax.md (four unnamed insns): Likewise.
7854 2006-03-15 Paul Brook <paul@codesourcery.com>
7856 * config/arm/arm.c (minipool_pad): New.
7857 (add_minipool_forward_ref): Include pool alignment padding in address
7859 (push_minipool_fix): Set minipool_pad.
7860 (minipool_pad): Ditto.
7862 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7864 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7865 instead of GET_CODE() == MEM and REG_P() instead of
7867 (print_operand_address): Likewise.
7868 (vax_address_cost): Likewise.
7869 (vax_rtx_costs): Likewise.
7870 (vax_notice_update_cc): Likewise.
7871 (vax_output_int_add): Likewise.
7872 (INDEX_REGISTER_P): Likewise.
7873 (BASE_REGISTER_P): Likewise.
7874 (nonindexed_address_p): Likewise.
7875 (vax_mode_dependent_address_p): Likewise.
7876 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7877 (PRINT_OPERAND): Likewise.
7878 * config/vax/vax.md (ashlsi3): Likewise.
7879 (ashlsi3): Likewise.
7880 (some more unnamed insns): Likewise.
7882 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7884 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7885 iterator-style macro.
7886 (mark_control_dependent_edges_necessary): Update the use of
7887 EXECUTE_IF_CONTROL_DEPENDENT.
7889 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7891 * config/sh/predicates.md (cache_address_operand): Special.
7892 (ua_address_operand): Likewise.
7894 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7896 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7898 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7900 2006-03-15 Andreas Schwab <schwab@suse.de>
7902 * gensupport.c (identify_predicable_attribute): Don't free p_false
7903 when it is still in use.
7905 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7907 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7908 the default setting here.
7910 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7912 * tree-pass.h (pass_cfg): Remove.
7913 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7914 * passes.c (pass_cfg): Don't run it.
7916 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7918 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7919 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7921 (stack_regs_mentioned): Update the uses of
7922 stack_regs_mentioned_data. Don't access the array beyond its
7924 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7925 Don't include gt-reg-stack.h.
7927 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7928 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7930 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7933 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7936 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7938 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7940 2006-03-14 Richard Guenther <rguenther@suse.de>
7942 PR tree-optimization/26672
7943 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7946 2006-03-14 Richard Guenther <rguenther@suse.de>
7948 PR tree-optimization/26667
7949 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7950 node for the callees. Always allow inlining if it will shrink
7953 2006-03-14 Richard Guenther <rguenther@suse.de>
7956 * builtins.c (get_pointer_alignment): Prefer alignment
7957 information from decls over that from types.
7959 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7962 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7964 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7966 * config/rs6000/rs6000.opt (mdlmzb): New option.
7967 (msched-prolog, msched-epilog): Use Var not Mask.
7968 * doc/invoke.texi (-mdlmzb): Document.
7969 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7971 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7972 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7974 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7976 PR rtl-optimization/25739
7977 * bt-load.c (augment_live_range): Free tos pointer.
7979 * gensupport.c (identify_predicable_attribute): Free
7981 * gcov.c (create_file_names): Free name pointer.
7983 2006-03-13 Roger Sayle <roger@eyesopen.com>
7986 * stmt.c (emit_case_nodes): Handle the case where the index is a
7987 CONST_INT, where the comparison mode is specified by the index type.
7989 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7991 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7994 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7996 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7997 (*branch_fp_inverted): Likewise.
7999 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8002 * omp-low.c (expand_omp_for_generic): Mark istart0
8003 and iend0 as addressable.
8005 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8007 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8009 2006-03-13 Jeff Law <law@redhat.com>
8011 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8012 virtual operands are interesting.
8013 (vrp_visit_stmt): Corresponding changes.
8015 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8017 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8019 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8020 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8021 * config/bfin/crti.S: Use it instead of __PIC__.
8022 * config/bfin/crtn.S: Likewise.
8024 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8025 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8027 Lose 'G' modifier for call operand.
8028 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8029 recognize 'G' modifier.
8031 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8034 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8035 * stmt.c (expand_case): Likewise.
8037 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8039 PR rtl-optimization/26254
8040 * loop-invariant.c (seq_insns_valid_p): New function.
8041 (move_invariant_reg): Only emit new code if it is valid.
8043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8045 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8047 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8048 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8049 (commit_one_edge_insertion): Do not look for loop notes.
8051 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8053 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8054 flag_test_coverage out of loop.
8056 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8058 * final.c (shorten_branches): Remove outdated comment, and turn
8059 the if branch that guards it to continue.
8061 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8063 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8064 * cfgloop.h (struct loop): Remove unused fields.
8066 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8068 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8069 (-dL, -fdump-rtl-loop2): Update the dump file names
8071 * doc/invoke.texi: Update dump file names.
8073 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8075 * predict.c (estimate_probability): Remove.
8076 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8077 * basic-block.h (estimate_probability): Remove prototype.
8078 * passes.c (finish_optimization_passes): Dump branch prediction or
8079 profiling heuristics to the .profile tree dump.
8080 (init_optimization_passes): Unqueue pass_branch_prob.
8082 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8084 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8086 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8087 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8089 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8091 * function.h (frame_offset_overflow): Declare.
8092 * function.c (frame_offset_overflow): New function.
8093 (assign_stack_local_1): Call it to detect that the offset overflows.
8094 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8096 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8098 * config/sh/sh.c: Include alloc-pool.h.
8099 (label_ref_list_pool): New alloc pool.
8100 (label_ref_list_t): New type for lists of labels.
8101 (struct pool_node): Make wend a label_ref_list_t.
8102 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8104 (dump_table): Likewise.
8105 (sh_reorg): Set up the alloc pool before using add_constant and
8106 dump_table, and destroy it when finishing.
8108 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8110 * config/mips/mips.c: Remove redundant comment.
8112 2006-03-10 Jason Merrill <jason@redhat.com>
8115 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8116 the target was declared 'register'.
8118 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8120 * genpreds.c (write_insn_constraint_len): Change definition of
8121 insn_constraint_len to return size_t to match the declaration.
8123 2006-03-10 DJ Delorie <dj@redhat.com>
8125 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8127 (m32c_expand_insv): Fix test for an AND mask.
8129 2006-03-10 Richard Guenther <rguenther@suse.de>
8132 * builtins.c (get_pointer_alignment): Handle component
8133 references for field alignment.
8135 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8137 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8138 when building with libgloss.
8139 (sh*elf): Implement --without-fp option.
8140 (sh64-superh-linux*): Don't multilib.
8142 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8144 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8146 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8148 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8149 Set it when one of the replacement functions returned true.
8150 Return TODO_cleanup_cfg if cfgchanged is true.
8151 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8153 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8155 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8156 instead of gen_lowpart.
8158 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8160 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8162 (mips_output_order_conditional_branch): Declare.
8163 * config/mips/mips.h (MIPS_BRANCH): New macro.
8164 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8165 for the comparison. Use gen_condjump.
8166 (mips_output_conditional_branch): Rework interface to take the
8167 asm templates for a direct branch and the inverse of a direct branch.
8168 (mips_output_order_conditional_branch): New function.
8169 (mips_builtin_branch_and_move): New function.
8170 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8171 branch condition. Use gen_single_cc as the condition for
8172 __builtin_mips_upper_* or __builtin_mips_lower_*.
8173 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8174 Use VOIDmode for the branch condition.
8175 * config/mips/predicates.md (order_operator): New predicate.
8176 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8177 (branch_fp): Rename to...
8178 (*branch_fp): ...this. Remove mode from comparison operator.
8179 Use new mips_output_conditional_branch interface.
8180 (branch_fp_inverted): Rename to...
8181 (*branch_fp_inverted): ...this and update as for *branch_fp.
8182 (*branch_zero<mode>): Rename to...
8183 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8184 Use mips_output_order_conditional_branch. Only accept ordered
8186 (*branch_zero<mode>_inverted): Rename to...
8187 (*branch_order<mode>_inverted): ...this and update as for
8188 *branch_order<mode>.
8189 (*branch_equality<mode>): Accept zero as the second operand to
8190 the equality operator. Use the new mips_output_conditional_branch
8192 (*branch_equality<mode>_inverted): Likewise.
8193 (condjump): New expander.
8194 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8196 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8197 (bc1any2t, bc1any2f): Likewise.
8198 (single_cc): New expander.
8199 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8201 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8203 * doc/md.texi: Update documentation of MIPS constraints.
8204 * config/mips/constraints.md: New file.
8205 * config/mips/mips.md: Include it.
8206 * config/mips/mips.c (mips_char_to_class): Delete.
8207 (override_options): Don't initialize mips_char_to_class.
8208 * config/mips/mips.h (mips_char_to_class): Delete.
8209 (REG_CLASS_FROM_LETTER): Delete.
8210 (CONST_OK_FOR_LETTER_P): Delete.
8211 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8212 (EXTRA_CONSTRAINT_Y): Delete.
8213 (EXTRA_CONSTRAINT_STR): Delete.
8214 (CONSTRAINT_LEN): Delete.
8215 (EXTRA_MEMORY_CONSTRAINT): Delete.
8217 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8219 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8220 original fn's eh regions.
8222 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8224 * fold-const.c (build_range_check): Make sure to use a valid type to
8225 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8228 (range_predecessor): New static function.
8229 (range_successor): Likewise.
8230 (merge_ranges): Use them to compute predecessors and successors of
8233 2006-03-09 Roger Sayle <roger@eyesopen.com>
8236 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8237 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8239 2006-03-08 DJ Delorie <dj@redhat.com>
8241 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8242 (addpsi3): Expand to include memory operands. Remove
8243 reload-specific splits.
8244 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8245 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8246 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8247 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8248 (shift1_qi, shift1_hi, insv): New.
8249 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8250 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8251 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8253 * config/m32c/m32c-protos.h: Update as needed.
8254 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8255 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8256 Fail for unrecognized R* constraints.
8257 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8258 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8259 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8261 (m32c_init_libfuncs): New.
8262 (m32c_legitimate_address_p): Add debug wrapper.
8263 (m32c_rtx_costs): New.
8264 (m32c_address_cost): New.
8265 (conversions): Add 'B' prefix.
8266 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8267 operands, or word regnames for QI operands. 'B' prints bit
8269 (m32c_expand_setmemhi): New.
8270 (m32c_expand_movmemhi): New.
8271 (m32c_expand_movstr): New.
8272 (m32c_expand_cmpstr): New.
8273 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8274 (m32c_expand_neg_mulpsi3): Handle non-ints.
8275 (m32c_cmp_flg_0): New.
8276 (m32c_expand_movcc): New.
8277 (m32c_expand_insv): New.
8278 (m32c_scc_pattern): New.
8279 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8280 a0/a1 out of SIregs.
8281 (STORE_FLAG_VALUE): New.
8282 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8285 * config/m32c/mov.md: Make constraints more liberal.
8286 (zero_extendqihi2): Optimize r0/r1 case.
8287 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8288 * config/m32c/predicates.md (m32c_any_operand): New.
8289 (m32c_nonimmediate_operand): New.
8290 (m32c_hl_operand): New.
8291 (m32c_r3_operand): New.
8294 (memsym_operand): New.
8295 (memimmed_operand): New.
8296 (a_qi_operand): New.
8297 (m32c_eqne_operator): New.
8298 (m32c_1bit8_operand): New.
8299 (m32c_1bit16_operand): New.
8300 (m32c_1mask8_operand): New.
8301 (m32c_1mask16_operand): New.
8302 * config/m32c/blkmov.md: New file.
8303 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8305 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8307 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8308 unsigned to fix signed/unsigned comparison issue in
8309 DWARF2_FRAME_REG_OUT.
8310 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8311 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8313 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8314 of ptr into the ENABLE_CHECKING section.
8316 2006-03-08 Jeff Law <law@redhat.com>
8318 * tree-vrp.c (infer_value_range): Only count pointer uses
8319 and dereferences if -fdelete-null-pointer-checks is enabled.
8321 * tree-vrp.c (find_assert_locations): Infer value ranges for
8322 single use pointers, but do not create ASSERT_EXPRs for them.
8323 When a non-null range is inferred for a pointer, backwards
8324 propagate that range to other equivalent pointers through the
8327 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8330 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8331 language hook targets.
8332 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8333 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8334 if language hook targets were missing.
8336 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8338 * tree-ssa-opfinalize.h: Removed.
8339 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8341 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8342 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8343 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8344 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8345 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8346 finalize_ssa_v_must_def_ops): New.
8348 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8350 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8353 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8355 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8357 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8358 addresses with offsets; reorganize.
8360 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8361 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8362 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8364 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8367 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8369 2006-03-08 Ben Elliston <bje@au.ibm.com>
8371 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8373 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8376 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8379 2006-03-07 Richard Guenther <rguenther@suse.de>
8381 PR tree-optimization/26587
8382 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8384 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8386 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8388 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8390 * hooks.c (hook_bool_mode_rtx_true): New function.
8391 * hooks.h (hook_bool_mode_rtx_true): Declare.
8392 * toplev.c (compile_file): Call output_shared_constant_pool.
8393 * varasm.c (shared_constant_pool): New variable.
8394 (assemble_start_function, assemble_end_function): Remove arguments
8395 from call to output_constant_pool.
8396 (create_constant_pool): New function, split out from...
8397 (init_varasm_status): ...here.
8398 (force_const_mem): Choose between the shared and per-function constant
8399 pools. Set current_function_uses_const_pool when reusing old entries
8400 as well as when creating new ones.
8401 (mark_constant): Ignore data argument.
8402 (mark_constants): Remove pool argument.
8403 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8404 to decide whether the function uses a constant pool.
8405 (output_constant_pool_contents): New function, split out from...
8406 (output_constant_pool): ...here.
8407 (output_shared_constant_pool): New function.
8408 (init_varasm_once): Initialize shared_constant_pool.
8409 * output.h (output_constant_pool): Delete.
8410 (output_shared_constant_pool): Declare.
8411 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8412 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8414 2006-03-06 Nick Clifton <nickc@redhat.com>
8416 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8417 flag_strength_reduce.
8419 2006-03-06 Ben Elliston <bje@au.ibm.com>
8421 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8422 x86_64-*-linux* configurations.
8424 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8425 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8427 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8429 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8431 * basic-block.h: Remove the extern for
8432 rediscover_loops_after_threading.
8434 * cfgloop.c (cancel_loop): Make it static.
8435 * cfgloop.h: Remove the prototype for cancel_loop.
8437 * flow.c (recompute_reg_usage): Make it static.
8438 * rtl.h: Remove the prototype for recompute_reg_usage.
8440 * function.c (use_return_register): Make it static.
8441 * function.h: Remove the prototype.
8443 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8445 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8447 * recog.h: Remove the prototype for
8448 validate_change_maybe_volatile.
8450 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8452 * rtlanal.c (replace_reg): Remove.
8453 * rtl.h: Remove the prototype for replace_reg.
8455 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8457 * regclass.c (reg_scan_update): Remove.
8458 (reg_scan_mark_refs): Remove the last argument.
8459 * rtl.h: Remove the prototype for reg_scan_update.
8461 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8463 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8464 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8465 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8466 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8467 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8468 loop-invariant.c, omp-low.c, opts.c, passes.c,
8469 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8470 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8471 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8472 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8473 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8474 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8476 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8478 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8479 * dwarf2out.h: Remove the prototype for
8480 dwarf2out_add_library_unit_info.
8482 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8484 * tree.c (add_var_to_bind_expr): Remove.
8485 * tree.h: Remove the prototype for add_var_to_bind_expr.
8487 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8489 * regclass.c (n_non_fixed_regs): Remove.
8490 (init_reg_sets_1, globalize_reg): Remove all uses of
8492 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8494 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8496 * rtlanal.c (insns_safe_to_move_p): Remove.
8497 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8499 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8501 * expmed.c (expand_mult_add): Remove.
8502 * expr.h: Remove the prototype for expand_mult_add.
8504 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8506 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8507 and REG_SAVED_VAL_EXP constants.
8508 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8509 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8510 Handle regs stored by value.
8511 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8512 (execute_cfa_program): Handle DW_CFA_val_offset,
8513 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8514 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8515 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8516 (uw_install_context_1): Handle target regs stored by value.
8518 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8520 * tree-sra.c (tree_sra): Return todoflags;
8521 (generate_one_element): Set TODO_update_smt_usage if needed.
8522 (pass_sra): Remove TODO_update_smt_usage.
8523 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8525 (tree_ssa_forward_propagate_single_use_vars): Return
8526 TODO_update_smt_usage if we need to update SMT usage.
8527 (pass_forwprop): Remove TODO_update_smt_usage.
8529 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8531 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8532 (correct_use_link): Remove reference to get_stmt_operands.
8533 (update_stmt_operands): Likewise.
8534 (get_modify_expr_operands): New function factored out of
8535 parse_ssa_operands and get_expr_operands.
8536 Try to create V_MUST_DEFs for LHS by default.
8537 (get_expr_operands) <case MODIFY_EXPR>: Call
8538 get_modify_expr_operands.
8539 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8540 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8541 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8542 get_modify_expr_operands.
8544 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8546 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8547 * tree-flow.h: Remove the prototype for
8548 referenced_var_lookup_if_exists.
8550 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8552 PR rtl-optimization/26345
8554 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8556 2006-03-03 Roger Sayle <roger@eyesopen.com>
8558 PR tree-optimization/26524
8559 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8560 fold_convert to create a constant of the appropriate type.
8562 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8564 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8565 SYMBOL_REF_IN_BLOCK_P.
8566 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8567 of SYMBOL_FLAG_IN_BLOCK.
8568 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8569 instead of SYMBOL_REF_IN_BLOCK_P.
8570 * explow.c (use_anchored_address): Likewise.
8571 * rtl.c (rtx_size): Likewise.
8572 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8573 instead of SYMBOL_FLAG_IN_BLOCK.
8574 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8575 SYMBOL_REF_IN_BLOCK_P.
8576 (assemble_variable): Likewise.
8577 (output_constant_def_contents): Likewise.
8578 (output_constant_pool): Likewise.
8579 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8580 instead of SYMBOL_FLAG_IN_BLOCK.
8581 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8582 SYMBOL_REF_IN_BLOCK_P.
8583 (SYMBOL_REF_BLOCK): Likewise.
8584 (SYMBOL_REF_OFFSET): Likewise.
8585 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8586 SYMBOL_REF_IN_BLOCK_P.
8587 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8588 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8589 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8590 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8592 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8594 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8596 2006-03-02 Roger Sayle <roger@eyesopen.com>
8598 * simplify-rtx.c (simplify_unary_operation): When simplifying
8599 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8600 that we perform the right shift in the appropriate mode, and
8601 then extend or truncate the result to requested mode.
8603 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8605 * gengtype.c (main): Handle double_int type.
8606 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8607 * double-int.c: New file.
8608 * double-int.h: New file.
8609 * system.h: Include doubleint.h.
8610 * Makefile.in (SYSTEM_H): Include double-int.h.
8611 (double-int.o): Add.
8613 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8616 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8619 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8621 * tree-vrp.c (remove_range_assertions): Do not update statements
8624 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8626 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8628 * gcse.c (rest_of_handle_gcse): Ditto.
8629 * except.c (gate_handle_eh): Ditto.
8630 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8631 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8633 2006-03-02 Eric Christopher <echristo@apple.com>
8635 * config/i386/i386.c (machopic_output_stub): Add indirection to
8638 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8642 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8644 Sun Niagara specific optimizations.
8645 * config.gcc: Recognize niagara as target.
8646 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8647 (TARGET_CPU_niagara): Define.
8648 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8649 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8650 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8651 (ASM_CPU_SPEC): Likewise.
8652 (PROCESSOR_NIAGARA): New enum entry.
8653 (REGISTER_MOVE_COST): Handle Niagara.
8654 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8655 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8656 (sparc_override_options): Recognize "niagara", set appropriate
8657 default MASK_* values for it, and align functions to 32-bytes
8658 by default just like ULTRASPARC/ULTRASPARC3.
8659 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8660 (sparc64_initialize_trampoline): Likewise.
8661 (sparc_use_sched_lookahead): Use zero for niagara.
8662 (sparc_issue_rate): Use one for niagara.
8663 * config/sparc/niagara.md: New file.
8664 * config/sparc/sparc.md: Include it.
8665 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8666 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8667 when default cpu is niagara.
8668 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8669 (ASM_CPU_SPEC): Likewise.
8670 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8671 when default cpu is niagara.
8672 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8673 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8674 just like v9/ultrasparc/ultrasparc3.
8675 * doc/invoke.texi: Add documentation for "niagara" and improve
8676 existing documentation for ultrasparc variants.
8678 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8680 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8682 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8684 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8685 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8686 and say that only one is needed.
8687 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8688 * target.h (have_switchable_bss_sections): New hook.
8689 * explow.c (use_anchored_address): Check that the symbol is in a block.
8690 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8691 (bss_noswitch_section): New variables.
8692 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8693 (get_noswitch_section): New function.
8694 (get_block_for_section): Allow SECT to be null.
8695 (unlikely_text_section_p): Use SECTION_STYLE.
8696 (bss_initializer_p): New function.
8697 (get_variable_section): Move earlier in file. Take a new argument,
8698 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8699 Return one of the new *_sections in such cases.
8700 (get_block_for_decl): New function, extracting some logic from
8701 use_blocks_for_decl_p.
8702 (change_symbol_section): Remove in favor of...
8703 (change_symbol_block): ...this new function.
8704 (use_blocks_for_decl_p): Remove checks now performed by
8706 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8707 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8708 (emit_local, emit_bss, emit_common): ...these new functions.
8709 Return true if the alignment was honored.
8710 (emit_tls_common): New function.
8711 (asm_emit_uninitialised): Delete.
8712 (assemble_variable_noswitch): New function, split out from...
8713 (assemble_variable): ...here. Don't make decisions about common
8714 variables here. Globalize all public decls that go into non-common
8715 sections. Check whether SYMBOL_REF_BLOCK is null.
8716 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8717 (output_constant_pool): Likewise.
8718 (init_varasm_once): Initialize the new section variables.
8719 (have_global_bss_p): New function.
8720 (categorize_decl_for_section): Use bss_initializer_p.
8721 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8722 (place_block_symbol): Assert that the symbol must be in a block.
8723 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8724 (TARGET_INITIALIZER): Include it.
8725 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8726 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8727 (SECTION_MACH_DEP): Bump by two.
8728 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8729 (unnamed_section): Mention SECTION_UNNAMED in comment.
8730 (named_section): Likewise SECTION_NAMED.
8731 (noswitch_section_callback): New type.
8732 (noswitch_section): New structure.
8733 (section): Add a noswitch_section alternative.
8734 (SECTION_STYLE): New macro.
8735 (tls_comm_section, comm_section, lcomm_section): Declare.
8736 (bss_noswitch_section, have_global_bss_p): Declare.
8737 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8738 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8740 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8741 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8744 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8746 * tree-vrp.c (execute_vrp): Return value.
8747 * regrename.c (rest_of_handle_regrename): Ditto.
8748 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8749 * tree-complex.c (tree_lower_complex): Ditto.
8750 (tree_lower_complex_O0): Ditto.
8751 * tracer.c (rest_of_handle_tracer): Ditto.
8752 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8753 * postreload.c (rest_of_handle_postreload): Ditto.
8754 * tree-tailcall.c (execute_tail_recursion): Ditto.
8755 (execute_tail_calls): Ditto.
8756 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8757 * tree.h (init_function_for_compilation): Ditto.
8758 * ipa-cp.c (ipcp_driver): Ditto.
8759 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8760 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8761 * final.c (compute_alignments): Ditto.
8762 (rest_of_handle_final): Ditto.
8763 (rest_of_handle_shorten_branches): Ditto.
8764 (rest_of_clean_state): Ditto.
8765 * omp-low.c (execute_expand_omp): Ditto.
8766 (execute_lower_omp): Ditto.
8767 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8768 * ipa-reference.c (static_execute): Ditto.
8769 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8770 * reorg.c (rest_of_handle_delay_slots): Ditto.
8771 (rest_of_handle_machine_reorg): Ditto.
8772 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8773 * flow.c (recompute_reg_usage): Ditto.
8774 (rest_of_handle_remove_death_notes): Ditto.
8775 (rest_of_handle_life): Ditto.
8776 (rest_of_handle_flow2): Ditto.
8777 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8778 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8779 (do_ssa_store_ccp): Ditto.
8780 (execute_fold_all_builtins): Ditto.
8781 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8782 * modulo-sched.c (rest_of_handle_sms): Ditto.
8783 * ipa-pure-const.c (static_execute): Ditto.
8784 * cse.c (rest_of_handle_cse): Ditto.
8785 (rest_of_handle_cse2): Ditto.
8786 * web.c (rest_of_handle_web): Ditto.
8787 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8788 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8789 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8790 * tree-nrv.c (tree_nrv): Ditto.
8791 (execute_return_slot_opt): Ditto.
8792 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8793 (create_structure_vars): Ditto.
8794 * loop-init.c (rtl_loop_init): Ditto.
8795 (rtl_loop_done): Ditto.
8796 (rtl_move_loop_invariants): Ditto.
8797 (rtl_unswitch): Ditto.
8798 (rtl_unroll_and_peel_loops): Ditto.
8799 (rtl_doloop): Ditto.
8800 * gimple-low.c (lower_function_body): Ditto.
8801 (mark_used_blocks): Ditto.
8802 * tree-ssa-sink.c (execute_sink_code): Ditto.
8803 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8804 (cgraph_early_inlining): Ditto.
8805 * global.c (rest_of_handle_global_alloc): Ditto.
8806 * jump.c (cleanup_barriers): Ditto.
8807 (purge_line_number_notes): Ditto.
8808 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8809 (rest_of_handle_if_after_reload): Ditto.
8810 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8811 (tree_ssa_loop_im): Ditto.
8812 (tree_ssa_loop_unswitch): Ditto.
8813 (tree_vectorize): Ditto.
8814 (tree_linear_transform): Ditto.
8815 (tree_ssa_loop_ivcanon): Ditto.
8816 (tree_ssa_empty_loop): Ditto.
8817 (tree_ssa_loop_bounds): Ditto.
8818 (tree_complete_unroll): Ditto.
8819 (tree_ssa_loop_prefetch): Ditto.
8820 (tree_ssa_loop_ivopts): Ditto.
8821 (tree_ssa_loop_done): Ditto.
8822 * predict.c (tree_estimate_probability): Ditto.
8823 * recog.c (split_all_insns_noflow): Ditto.
8824 (rest_of_handle_peephole2): Ditto.
8825 (rest_of_handle_split_all_insns): Ditto.
8826 * tree-eh.c (lower_eh_constructs): Ditto.
8827 * regmove.c (rest_of_handle_regmove): Ditto.
8828 (rest_of_handle_stack_adjustments): Ditto.
8829 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8830 * function.c (instantiate_virtual_regs): Ditto.
8831 (init_function_for_compilation): Ditto.
8832 (rest_of_handle_check_leaf_regs): Ditto.
8833 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8834 (rest_of_handle_gcse): Ditto.
8835 * ipa-type-escape.c (type_escape_execute): Ditto.
8836 * alias.c (rest_of_handle_cfg): Ditto.
8837 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8838 * profile.c (rest_of_handle_branch_prob): Ditto.
8839 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8840 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8841 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8842 * tree-dfa.c (find_referenced_vars): Ditto.
8843 * except.c (set_nothrow_function_flags): Ditto.
8844 (convert_to_eh_region_ranges): Ditto.
8845 (rest_of_handle_eh): Ditto.
8846 * emit-rtl.c (unshare_all_rtl): Ditto.
8847 (remove_unnecessary_notes): Ditto.
8848 * except.h (set_nothrow_function_flags): Ditto.
8849 (convert_to_eh_region_ranges): Ditto.
8850 * cfgexpand.c (tree_expand_cfg): Ditto.
8851 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8852 * tree-ssa-pre.c (do_pre): Ditto.
8853 (execute_fre): Ditto.
8854 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8855 (rest_of_handle_jump2): Ditto.
8856 * tree-sra.c (tree_sra): Ditto.
8857 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8858 (execute_mudflap_function_decls): Ditto.
8859 * tree-ssa-copy.c (do_copy_prop): Ditto.
8860 (do_store_copy_prop): Ditto.
8861 * ipa-prop.h (ipcp_driver): Ditto.
8862 * cfglayout.c (insn_locators_initialize): Ditto.
8863 * tree-ssa-forwprop.c
8864 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8865 * cfglayout.h (insn_locators_initialize): Ditto.
8866 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8867 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8868 (execute_late_warn_uninitialized): Ditto.
8869 * rtl.h (cleanup_barriers): Ditto.
8870 (split_all_insns_noflow): Ditto.
8871 (purge_line_number_notes): Ditto.
8872 (unshare_all_rtl): Ditto.
8873 (remove_unnecessary_notes): Ditto.
8874 (recompute_reg_usage): Ditto.
8875 (variable_tracking_main): Ditto.
8876 * integrate.c (emit_initial_value_sets): Ditto.
8877 * integrate.h (emit_initial_value_sets): Ditto.
8878 * tree-optimize.c (execute_free_datastructures): Ditto
8879 (execute_free_cfg_annotations): Ditto.
8880 (execute_fixup_cfg): Ditto.
8881 (execute_cleanup_cfg_pre_ipa): Ditto.
8882 (execute_cleanup_cfg_post_optimizing): Ditto.
8883 (execute_init_datastructures): Ditto.
8884 * tree-object-size.c (compute_object_sizes): Ditto.
8885 * combine.c (rest_of_handle_combine): Ditto.
8886 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8887 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8888 (rest_of_handle_reorder_blocks): Ditto.
8889 (rest_of_handle_partition_blocks): Ditto.
8890 * var-tracking.c (variable_tracking_main): Ditto.
8891 * tree-profile.c (tree_profiling): Ditto.
8892 * tree-vect-generic.c (expand_vector_operations): Ditto.
8893 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8894 * sched-rgn.c (rest_of_handle_sched): Ditto.
8895 (rest_of_handle_sched2): Ditto.
8896 * basic-block.h (free_bb_insn): Ditto.
8897 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8898 * tree-cfg.c (execute_build_cfg): Ditto.
8899 (remove_useless_stmts): Ditto.
8900 (split_critical_edges): Ditto.
8901 (execute_warn_function_return): Ditto.
8902 (execute_warn_function_noreturn): Ditto.
8903 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8904 * cfgrtl.c (free_bb_for_insn): Ditto.
8905 * passes.c (execute_one_pass): Run additional
8906 todos returned by execute function.
8907 * tree-pass.h (struct tree_opt_pass): Make execute
8910 2006-03-02 Richard Guenther <rguenther@suse.de>
8912 * tree-ssa-alias.c (find_used_portions): Consider taking
8913 the address as making the variable not write-only.
8915 2006-03-02 Nick Clifton <nickc@redhat.com>
8917 * config.gcc (default_use_cxa_atexit): Extend the description of
8918 this configure variable. Set its default value to "yes" for
8919 Linux, NetBSD and ELF targets on the assumption that they will
8920 use C libraries with the __cxa_atexit function.
8922 2006-03-02 Ben Elliston <bje@au.ibm.com>
8924 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8925 parameter as unused to suppress a build warning.
8927 2006-03-02 Ben Elliston <bje@au.ibm.com>
8929 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8932 2006-03-01 Roger Sayle <roger@eyesopen.com>
8935 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8936 declared name, the weak reference name, and the typeof name.
8937 (__gthrw): Avoid expanding the declared name suffix.
8938 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8940 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8942 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8944 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8945 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8946 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8947 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8948 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8949 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8950 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8951 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8952 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8953 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8954 (DW_END_default, DW_END_big, DW_END_little): New.
8955 (DW_END_lo_user, DW_END_hi_user): Define.
8956 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8957 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8958 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8961 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8963 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8965 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8967 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8969 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8971 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8972 to 'symbol_mem_tag'.
8974 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8977 2006-03-01 Roger Sayle <roger@eyesopen.com>
8979 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8981 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8984 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8985 MACHO_DYNAMIC_NO_PIC_P.
8986 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8988 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8991 * config/darwin-protos.h (darwin_asm_output_anchor):
8993 * config/darwin-sections.def (cstring_section):
8994 Add SECTION_MERGE to the flags.
8995 (literal4_section): Likewise.
8996 (literal8_section): Likewise.
8997 (objc_selector_refs_section): Likewise.
8998 (objc_cls_refs_section): Likewise.
8999 * config/darwin.c (darwin_asm_output_anchor): New
9001 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9003 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9005 Fix PR tree-optimization/26443
9006 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9007 to todo and PROP_tmt_usage to properties_destroyed.
9008 * tree-ssa-ccp.c (pass_ccp): Ditto.
9009 (pass_store_ccp): Ditto.
9010 * tree-ssa-dom.c (pass_dominator): Ditto.
9012 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9014 * tree-ssa-operands.c: Cleanup whitespace.
9015 (get_asm_expr_operands): Move before first invocation.
9016 (get_indirect_ref_operands): Likewise.
9017 (get_tmr_operands): Likewise.
9018 (get_call_expr_operands): Likewise.
9019 (append_def): Likewise.
9020 (append_use): Likewise.
9021 (append_v_may_def): Likewise.
9022 (append_v_must_def): Likewise.
9023 (add_call_clobber_ops): Likewise.
9024 (add_call_read_ops): Likewise.
9025 (add_stmt_operand): Likewise.
9026 (add_virtual_operand): Likewise.
9027 (build_ssa_operands): Likewise.
9029 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9034 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9035 with a call expr to ...
9036 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9038 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9040 * tree-vrp.c (extract_range_from_assert): Remove special
9041 handling for types with super-types.
9043 2006-03-01 Ben Elliston <bje@au.ibm.com>
9045 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9046 and powerpc64-*-linux* configurations.
9047 * config/t-dfprules: New file.
9049 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9050 Compile dfp-bit.c from the source directory using -DWIDTH and
9051 $DFP_CFLAGS to control the compilation of that file, rather than
9052 generating width-specific versions in the build directory.
9053 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9054 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9056 2006-02-28 Zack Weinberg <zackw@panix.com>
9058 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9061 2006-02-28 Eric Christopher <echristo@apple.com>
9063 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9064 Set up IN_LIBGCC definition of TARGET_64BIT.
9065 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9067 2006-02-28 Roger Sayle <roger@eyesopen.com>
9070 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9071 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9072 cases via the construction of "expr != 0".
9074 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9076 * alias.c (alias_invariant, alias_invariant_size): Remove.
9077 (record_base_value): Remove.
9078 (memrefs_conflict_p): Don't look at alias_invariant.
9079 (end_alias_analysis): Don't free it.
9080 * alias.h (record_base_value): Remove prototype.
9082 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9083 Adam Nemet <anemet@caviumnetworks.com>
9085 * rtl.h (truncated_to_mode): Declare it.
9086 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9087 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9088 (RTL_HOOKS_INITIALIZER): Include it.
9089 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9090 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9091 reg_truncated_to_mode.
9092 * rtlanal.c (truncated_to_mode): Define it.
9093 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9095 2006-02-28 Jeff Law <law@redhat.com>
9097 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9098 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9099 the range allowed by TYPE_PRECISION.
9101 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9103 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9105 PR tree-optimization/26419
9106 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9109 2006-02-27 Zack Weinberg <zackw@panix.com>
9111 * doc/md.texi: Fix typo in previous change.
9113 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9117 2006-02-27 Zack Weinberg <zackw@panix.com>
9119 * rtl.def (define_constraint, define_register_constraint)
9120 (define_memory_constraint, define_address_constraint): New MD forms.
9121 * gensupport.c (process_rtx): Put define_constraint etc on the
9123 * genpreds.c (process_define_predicate): Adjust comment. Validate
9124 the name, and call validate_exp to validate the expression.
9125 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9126 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9127 all callers changed.
9128 (validate_exp, needs_variable, struct constraint_data)
9129 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9130 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9131 (const_dbl_constraints, constraint_max_namelen)
9132 (have_register_constraints, have_memory_constraints)
9133 (have_address_constraints, have_address_constraints)
9134 (have_extra_constraints, have_const_int_constraints)
9135 (have_const_dbl_constraints, mangle, add_constraint)
9136 (process_define_constraint, process_define_register_constraint)
9137 (write_enum_constraint_num, write_lookup_constraint)
9138 (write_insn_constraint_len, write_regclass_for_constraint)
9139 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9140 (write_insn_extra_memory_constraint)
9141 (write_insn_extra_address_constraint)
9142 (write_satisfies_constraint_fns): New.
9143 (write_tm_preds_h): If we have new-style constraint definitions,
9144 prototype the functions generated from them, and define the
9145 old constraint interface (still used by generic code) in terms of
9147 (write_insn_preds_c): If we have new-style constraint definitions,
9148 generate all relevant functions from those definitions.
9149 (main): Handle define_constraint etc.
9150 * genoutput.c (struct constraint_data, indep_constraints)
9151 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9152 (mdep_constraint_len): New data structures and functions, defined
9153 #ifdef USE_MD_CONSTRAINTS.
9154 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9155 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9156 use new logic to validate operand constraints against constraint
9158 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9160 * defaults.h: If none of the old-style constraint macros are
9161 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9162 old-style macros; and poison REG_CLASS_FROM_LETTER,
9163 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9165 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9166 * doc/md.texi: Document new constraint-definition mechanism and the
9167 C interface it provides. Remove references to old mechanism
9168 elsewhere in the document.
9169 (Machine Constraints): Use pathnames relative to gcc directory,
9170 i.e. config/ARCH/FILE. Change i386 section to refer to
9171 config/i386/predicates.md; update that section to match docstrings.
9172 * doc/tm.texi: Move all documentation of the old constraint-
9173 definition macros to their own section, clearly mark as obsolete.
9175 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9176 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9178 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9179 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9180 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9182 (splits and peepholes): Use satisfies_constraint_*.
9183 * config/i386/i386.c (memory_address_length)
9184 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9186 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9188 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9189 scalar operation to be put back into the loop.
9191 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9194 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9195 (extract_cie_info): Handle S flag in augmentation string.
9196 (execute_cfa_program): If context->signal_frame, execute also
9197 fs->pc == context->ra instructions.
9198 (uw_frame_state_for): If context->signal_frame, don't subtract one
9199 from context->ra to find FDE.
9200 (uw_update_context_1): Set context->signal_frame to
9202 (_Unwind_GetIPInfo): New function.
9203 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9204 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9206 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9207 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9208 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9209 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9210 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9211 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9212 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9213 x86_64_fallback_frame_state): Set fs->signal_frame.
9214 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9215 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9216 (frob_update_context): Likewise. Workaround missing S flag in
9217 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9218 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9219 Remove the psw_addr + 1 hack.
9221 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9223 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9224 with aggregates here.
9225 (find_func_aliases): Remove code for &<aggregate> from here.
9227 2006-02-26 Roger Sayle <roger@eyesopen.com>
9229 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9230 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9231 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9234 2006-02-26 Roger Sayle <roger@eyesopen.com>
9237 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9239 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9241 * opts.c (decode_options): Do not handle flag_strength_reduce.
9242 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9243 and OPT_fstrength_reduce.
9244 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9245 flag_prefetch_loop_arrays for being nonzero.
9246 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9248 (fprefetch-loop-arrays-rtl): Removed.
9249 (flag_prefetch_loop_arrays): Do not specify the value.
9251 * doc/passes.texi: Update documentation of loop optimizer
9253 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9254 -frerun-loop-opt): Remove.
9256 2006-02-26 Richard Guenther <rguenther@suse.de>
9258 PR tree-optimization/26421
9259 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9260 in function calls that are ADDR_EXPRs as using the whole structure.
9262 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9264 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9265 * tree-pass.h (pass_loop_optimize): Remove.
9266 * passes.c (pass_loop_optimize): Never run it.
9267 * toplev.c (backend_init): Don't call init_loop.
9268 * opts.c (flag_loop_optimize_set): Remove.
9269 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9270 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9271 the old RTL loop optimizer when profiling enabled.
9272 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9273 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9274 pre-headers for the sake of the old RTL loop optimizer.
9275 * Makefile.in: Remove all references to loop.o.
9277 * doc/invoke.texi: Remove all references to -floop-optimize
9278 and -frerun-loop-opt.
9280 2006-02-26 Zack Weinberg <zackw@panix.com>
9282 * doc/md.texi (Machine Constraints): Refer to all files with paths
9283 relative to gcc directory (i.e. config/CPU/file). Add missing
9284 @table @code ... @end table to M32C subsection.
9286 2006-02-26 Roger Sayle <roger@eyesopen.com>
9288 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9290 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9292 2006-02-26 Roger Sayle <roger@eyesopen.com>
9293 James A. Morrison <phython@gcc.gnu.org>
9296 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9297 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9298 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9299 signedness of the shift operation.
9301 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9303 PR tree-optimization/26359
9304 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9306 2006-02-25 Roger Sayle <roger@eyesopen.com>
9308 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9309 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9310 as X == 0, and some symmetry related transformations.
9311 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9313 2006-02-25 Roger Sayle <roger@eyesopen.com>
9316 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9317 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9318 symmetry related transformations. Fold (X^C1) == C2 as
9321 2006-02-25 Juergen Weigert <jw@suse.de>
9322 Richard Guenther <rguenther@suse.de>
9324 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9326 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9328 * combine.c (gen_lowpart_or_truncate): Call
9329 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9331 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9333 * doc/invoke.texi: Move -fopenmp description to "Options for
9335 Remove reference to -lgomp.
9337 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9339 * doc/install.texi: Require GNU tar version 1.14.
9341 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9343 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9344 * doc/invoke.texi (C++ Dialect Options): Document
9345 -fno-use-cxa-get-exception-ptr.
9346 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9347 * configure: Regenerate.
9348 * c.opt (fuse-cxa-get-exception-ptr): New.
9349 * c-opts.c (c_common_handle_option): Handle
9350 OPT_fuse_cxa_get_exception_ptr.
9351 * c-common.c (flag_use_cxa_atexit): Update documentation.
9352 (flag_use_cxa_get_exception_ptr): New.
9353 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9354 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9356 (C_COMMON_OVERRIDE_OPTIONS): New.
9358 2006-02-24 Roger Sayle <roger@eyesopen.com>
9361 * combine.c (try_combine): Explicitly check whether GET_CODE is
9362 a SET or a CLOBBER, instead on checking that it isn't a USE.
9364 2006-02-24 Roger Sayle <roger@eyesopen.com>
9366 * fold-const.c (fold_comparison): New subroutine of fold_binary
9367 containing transformations common to both the equality and
9368 ordering relational operators, factored out of fold_binary.
9369 (fold_binary): Separate out the equality operators (EQ_EXPR
9370 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9371 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9372 transformations common to both.
9373 (fold_div_compare): Fix latent bugs in the previously unreachable
9374 LT_EXPR and GE_EXPR cases.
9376 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9378 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9379 decl libname for clog to __clog on AIX.
9381 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9383 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9386 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9387 output traceback table for thunks. Localise rs6000_stack_info call.
9389 2006-02-23 Roger Sayle <roger@eyesopen.com>
9390 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9392 * gthr-posix.h (__gthrw): Fix typo in comment.
9394 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9396 * doc/cpp.texi (Character sets): Document that we do support
9397 input files to be in any character set.
9399 2006-02-23 Jeff Law <law@redhat.com>
9401 * tree.h (PHI_ARG_NONZERO): Remove.
9402 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9403 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9404 node to the new node.
9406 PR tree-optimization/26425
9407 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9408 min/max, then assume its varying.
9410 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9412 PR rtl-optimization/26316
9413 * rtlanal.c (enum may_trap_p_flags): New.
9414 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9415 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9416 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9417 (may_trap_after_code_motion_p): New function.
9418 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9419 (find_invariant_insn): Use may_trap_after_code_motion_p.
9420 * rtl.h (may_trap_after_code_motion_p): Declare.
9422 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9424 * emit-rtl.c (immed_double_const): Cleanup.
9426 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9428 Fix PR tree-optimization/26376
9429 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9432 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9435 * gimplify.c (omp_add_variable): Guard variable size decl test with
9436 DECL_SIZE (decl) check.
9438 2006-02-23 Richard Guenther <rguenther@suse.de>
9441 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9442 like aggregate types.
9444 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9446 * configure.ac: Add --with{,out}-long-double-128 configure option.
9447 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9448 * configure: Rebuilt.
9449 * config.in: Rebuilt.
9450 * doc/install.texi (Options specification): Document
9451 --with-long-double-128.
9453 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9454 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9455 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9456 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9458 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9460 * config/s390/s390.c (override_options): Handle
9461 TARGET_DEFAULT_LONG_DOUBLE_128.
9463 * config/alpha/alpha.c (override_options): Handle
9464 TARGET_DEFAULT_LONG_DOUBLE_128.
9466 * config/sparc/sparc.c (sparc_override_options): Handle
9467 TARGET_DEFAULT_LONG_DOUBLE_128.
9469 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9471 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9472 (real-install-headers-tar, real-install-headers-cpio)
9473 (real-install-headers-cp): New targets.
9475 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9477 * tree.h (variable_section): Delete.
9478 * varasm.c (variable_section): Delete.
9480 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9482 * install.texi: Add notes on install.texi2html.
9483 (Building in parallel): Do not use footnotes.
9485 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9488 * doc/install.texi (Configuration): Document --disable-libgomp.
9490 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9492 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9494 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9496 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9497 (vec_extractv2df_0_sse): New.
9499 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9501 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9502 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9503 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9504 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9505 to the result of the expression.
9506 (def_cfa_1): Adjust.
9507 (frame_pointer_cfa_offset): Rename to...
9508 (frame_pointer_fb_offset): ... this. Adjust all uses.
9509 (convert_cfa_to_loc_list): Rename to...
9510 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9511 Pass it on to build_cfa_loc.
9512 (compute_frame_pointer_to_cfa_displacement): Rename to...
9513 (compute_frame_pointer_to_fb_displacement): ... this. New
9514 offset parameter. Use it in computation.
9515 (gen_subprogram_die): Compute cfa_fb_offset with the new
9516 macro, and use it to compute the fb loc list and the
9519 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9521 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9522 replaced with register_operand.
9523 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9524 non-DREG is expensive.
9525 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9526 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9529 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9531 * doc/install.texi2html: Use set -e.
9533 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9535 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9536 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9537 * doc/invoke.texi (-fshared-data): Delete.
9538 * common.opt (fshared-data): Delete.
9539 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9540 (assemble_static_space): Remove #if 0 code.
9541 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9542 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9543 * config/cris/cris.h: Remove FIXME.
9545 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9547 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9550 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9553 * combine.c (simplify_shift_const_1): Disable nested shifts
9554 optimization for vector shifts.
9556 2006-02-20 Roger Sayle <roger@eyesopen.com>
9558 PR tree-optimization/26361
9559 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9560 of unsigned integer types.
9562 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9564 * tree-chrec.c (eq_evolutions_p): New.
9565 * tree-chrec.h (eq_evolutions_p): Declared.
9566 * tree-data-ref.c: Fix formatting.
9567 (datadep_stats, dependence_stats): New.
9569 (print_direction_vector): New.
9570 (dump_data_dependence_relation): Use print_direction_vector.
9571 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9572 (compute_subscript_distance): Static.
9573 (initialize_data_dependence_relation): Static. Get the number
9574 of loops surrounding the references from the callers, and initialize
9575 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9576 base_object_differ_p analyzers.
9577 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9578 compute_overlap_steps_for_affine_1_2,
9579 analyze_subscript_affine_affine): Count the classified dependences.
9580 Print a message when a test failed.
9581 (can_use_analyze_subscript_affine_affine): New.
9582 (analyze_siv_subscript): Compute the data dependences on symbolic
9583 scevs that verify can_use_analyze_subscript_affine_affine.
9584 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9585 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9586 Handle symbolic scevs.
9587 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9589 (subscript_dependence_tester): Moved...
9590 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9591 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9592 DDR_SIZE_VECT instead of getting it in parameter.
9593 (subscript_dependence_tester): ... here. Take as a parameter
9594 loop_nest_depth. Call build_classic_dist_vector and
9595 build_classic_dir_vector.
9596 (compute_affine_dependence): Update subscript_dependence_tester
9597 parameters. Update datadep_stats counters. Call
9598 compute_subscript_distance.
9599 (compute_self_dependence): Save the dist and dir vectors. Call
9600 compute_subscript_distance.
9601 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9602 (compute_all_dependences): Reorder parameters as they were before
9603 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9604 compute_subscript_distance. Update the use of
9605 compute_affine_dependence and initialize_data_dependence_relation.
9606 (find_data_references_in_loop): Handle COMPONENT_REF.
9607 (compute_data_dependences_for_loop): Initialize dependence_stats.
9608 Don't call build_classic_dist_vector and build_classic_dir_vector.
9609 Update the parameters of initialize_data_dependence_relation and
9610 compute_all_dependences. Print the statistics from datadep_stats.
9611 (analyze_all_data_dependences): Static. Not used until the pass for
9612 checking the data dependences is contributed.
9613 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9614 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9615 (initialize_data_dependence_relation, compute_affine_dependence,
9616 analyze_all_data_dependences, compute_subscript_distance): Removed.
9617 (print_direction_vector): New.
9618 * lambda.h (gcd): ... here.
9619 (lambda_vector_gcd): Moved here from gcd_vector.
9620 * lambda-code.c (gcd, gcd_vector): Removed.
9621 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9622 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9624 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9626 * ipa-type-escape.c: Tidy some comments and white space.
9627 * tree-ssa-operands.c: Likewise.
9629 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9632 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9633 (dump_decl_name): Do not walk the decl tree chains.
9634 * tree-pass.h (TDF_CHAIN): Remove.
9636 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9638 * Makefile.in (C): Remove
9640 (.PHONY): Remove C and PROTO
9642 2006-02-20 Roger Sayle <roger@eyesopen.com>
9645 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9646 deprecated CHAR_TYPE tree code.
9648 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9650 * configure.ac (target_list): Add install-info, dvi, html.
9651 * configure: Regenerate.
9653 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9654 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9655 treelang/Make-lang.in: Do not use double-colon rules.
9657 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9659 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9660 (TMT_USED_ALONE): New macro.
9661 * tree-pass.h (PROP_tmt_usage): New property.
9662 (TODO_update_tmt_usage): New todo.
9663 * tree-ssa-alias.c (updating_used_alone): New variable.
9664 (recalculate_used_alone): New function.
9665 (compute_may_aliases): Set updating_used_alone, call
9666 recalculate_used_alone.
9667 * tree-sra.c (pass_sra): Note that this pass destroys
9668 PROP_tmt_usage, and add TODO_update_tmt_usage.
9669 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9670 * tree-flow.h (updating_used_alone): Prototype.
9671 (recalculate_used_alone): Ditto.
9672 * passes.c (execute_todo): Add code to set updating_used_alone,
9673 and call recalculate.
9674 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9675 for clobber if used alone, and add assert to verify used_alone
9678 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9680 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9681 for non tls symbols added.
9682 (legitimize_address): Do nothing for PLUS expressions if one of the
9683 addends is a tls symbol reference.
9685 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9689 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9691 * Makefile.in (BOOTSTRAPPING): New.
9692 (quickstrap): New definition if BOOTSTRAPPING=yes.
9694 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9695 * configure.ac: Substitute all_selected_languages with the languages
9696 that were configured. For all the other variables except
9697 lang_specs_files, include all the languages in the tree.
9698 * configure: Regenerate.
9700 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9701 if there is one. Run the commands to run fixincludes in the same
9704 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9705 * doc/install.texi: Document exact conventions for searching target tools.
9706 Document --with-build-time-tools. Document toplevel bootstrap. Document
9707 something more about building an Ada cross-compiler. Don't list GNU Make
9708 requirements which affect all platforms.
9710 2006-02-19 Roger Sayle <roger@eyesopen.com>
9713 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9714 only equivalent if the have both the same mode and precision.
9716 2006-02-20 Ben Elliston <bje@au.ibm.com>
9718 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9720 2006-02-19 Roger Sayle <roger@eyesopen.com>
9721 Steven Bosscher <stevenb.gcc@gmail.com>
9723 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9724 constant pool references to identify stack mode constants.
9725 * rtlanal.c (constant_pool_constant_p): New predicate to check
9726 whether operand is a floating point constant in the pool.
9727 * rtl.h (constant_pool_constant_p): Prototype here.
9728 * loop.c (scan_loop): Avoid hoisting constants from the constant
9729 pool on STACK_REGS targets.
9730 (load_mems): Likewise.
9731 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9732 loads into x87 registers expensive in terms of register pressure.
9734 2006-02-19 Roger Sayle <roger@eyesopen.com>
9736 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9737 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9739 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9741 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9742 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9744 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9746 * doc/invoke.texi: Document -fipa-pta.
9747 * common.opt: Add ipa-pta option.
9748 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9749 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9750 (do_ds_constraint): Ditto.
9751 (get_constraint_for): Only add to referenced_vars if
9752 referenced_vars exists.
9753 (insert_into_field_list): Rewrite to do this unsorted.
9754 (insert_into_field_list_sorted): Rename old insert_into_field_list
9756 (create_function_info_for): Use insert_into_field_list_sorted.
9757 (create_variable_info_for): Rewrite so it uses unsorted version,
9758 since the field list is sorted.
9759 (intra_create_variable_infos): Only add to referenced_vars if
9760 referenced_vars exists.
9761 (ipa_pta_execute): Init heapvars, and delete when done.
9762 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9764 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9766 * doc/install.texi: Add missing `@samp'.
9768 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9770 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9773 2006-02-18 Mark Wielaard <mark@klomp.org>
9775 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9776 who added new 4.1 features, bug fixes and integration support.
9778 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9781 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9784 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9786 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9787 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9788 (copy_insn_1): Likewise. Don't copy each field individually.
9790 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9792 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9793 * rtl.c (rtx_size): Rename variable to...
9794 (rtx_code_size): ...this.
9795 (rtx_size): New function.
9796 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9797 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9799 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9800 * rtl.h (rtx_code_size): New variable.
9801 (rtx_size): Change from a variable to a function.
9802 (RTX_SIZE): Rename to...
9803 (RTX_CODE_SIZE): ...this.
9806 PR tree-optimization/17106
9807 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9808 (Anchored Addresses): New section.
9809 * doc/invoke.texi (-fsection-anchors): Document.
9810 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9811 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9812 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9813 * hooks.c (hook_bool_mode_rtx_false): New function.
9814 * hooks.h (hook_bool_mode_rtx_false): Declare.
9815 * gengtype.c (create_optional_field): New function.
9816 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9817 SYMBOL_REF_IN_BLOCK_P is true.
9818 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9819 (min_anchor_offset, max_anchor_offset): Likewise.
9820 (use_anchors_for_symbol_p): New hook.
9821 * toplev.c (compile_file): Call output_object_blocks.
9822 (target_supports_section_anchors_p): New function.
9823 (process_options): Check that -fsection-anchors is only used on
9824 targets that support it and when -funit-at-a-time is in effect.
9825 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9826 if the decl doesn't have one.
9827 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9828 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9829 of force_const_mem through use_anchored_address.
9830 (expand_expr_constant): New function.
9831 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9832 calling expand_expr for INDIRECT_REF.
9833 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9834 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9835 * expr.h (use_anchored_address): Declare.
9836 * loop-unroll.c: Don't declare rtx vectors here.
9837 * explow.c: Include output.h.
9838 (validize_mem): Call use_anchored_address.
9839 (use_anchored_address): New function.
9840 * common.opt (-fsection-anchors): New switch.
9841 * varasm.c (object_block_htab, anchor_labelno): New variables.
9842 (hash_section, object_block_entry_eq, object_block_entry_hash)
9843 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9844 (use_blocks_for_decl_p, change_symbol_section): New functions.
9845 (get_variable_section): New function, split out from assemble_variable.
9846 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9847 use_blocks_for_decl_p say so. Use change_symbol_section if the
9848 symbol has already been created.
9849 (assemble_variable_contents): New function, split out from...
9850 (assemble_variable): ...here. Don't output any code for
9851 block symbols; just pass them to place_block_symbol.
9852 Use get_variable_section and assemble_variable_contents.
9853 (get_constant_alignment, get_constant_section, get_constant_size): New
9854 functions, split from output_constant_def_contents.
9855 (build_constant_desc): Create a block symbol if use_object_blocks_p
9856 says so. Or into SYMBOL_REF_FLAGS.
9857 (assemble_constant_contents): New function, split from...
9858 (output_constant_def_contents): ...here. Don't output any code
9859 for block symbols; just pass them to place_section_symbol.
9860 Use get_constant_section and get_constant_alignment.
9861 (force_const_mem): Create a block symbol if use_object_blocks_p and
9862 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9863 (output_constant_pool_1): Add an explicit alignment argument.
9864 Don't switch sections here.
9865 (output_constant_pool): Adjust call to output_constant_pool_1.
9866 Switch sections here instead. Don't output anything for block symbols;
9867 just pass them to place_block_symbol.
9868 (init_varasm_once): Initialize object_block_htab.
9869 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9870 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9871 (place_block_symbol, get_section_anchor, output_object_block)
9872 (output_object_block_htab, output_object_blocks): New functions.
9873 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9874 (TARGET_ASM_OUT): Include it.
9875 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9876 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9877 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9878 (TARGET_INITIALIZER): Include them.
9879 * rtl.c (rtl_check_failed_block_symbol): New function.
9880 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9881 (block_symbol, object_block): New structures.
9882 (rtx_def): Add a block_symbol field to the union.
9883 (BLOCK_SYMBOL_CHECK): New macro.
9884 (rtl_check_failed_block_symbol): Declare.
9885 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9886 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9887 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9888 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9889 * output.h (output_section_symbols): Declare.
9890 (object_block): Name structure.
9891 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9892 (default_use_anchors_for_symbol_p): Declare.
9893 * Makefile.in (RTL_BASE_H): Add vec.h.
9894 (explow.o): Depend on output.h.
9895 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9896 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9897 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9898 (rs6000_use_blocks_for_constant_p): New function.
9900 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9902 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9904 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9907 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9910 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9912 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9916 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9919 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9920 instead of DECL_REGISTER.
9922 2006-02-18 Olivier Hainque <hainque@adacore.com>
9925 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9927 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9930 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9931 * opth-gen.awk: Handle Var and InverseMask together.
9932 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9933 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9934 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9935 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9937 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9938 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9939 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9940 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9941 LINUX_DYNAMIC_LINKER): Define.
9942 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9943 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9945 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9946 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9947 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9948 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9949 (TARGET_C99_FUNCTIONS): Don't define.
9950 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9951 GLIBC_DYNAMIC_LINKER.
9952 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9953 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9954 GLIBC_DYNAMIC_LINKER64): Define.
9955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9956 LINUX_DYNAMIC_LINKER64.
9957 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9959 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9960 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9961 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9963 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9964 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9965 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9966 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9967 and LINUX_DYNAMIC_LINKER32.
9968 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9970 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9972 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9974 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9975 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9976 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9977 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9978 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9979 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9980 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9981 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9982 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9983 LINUX_DYNAMIC_LINKER): Define.
9984 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9985 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9986 GLIBC_DYNAMIC_LINKER64): Define.
9987 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9988 LINUX_DYNAMIC_LINKER64.
9989 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9990 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9991 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9992 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9993 LINUX_DYNAMIC_LINKER): Define.
9994 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9995 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9996 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9997 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9998 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9999 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10000 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10001 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10002 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10003 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10004 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10005 * doc/invoke.texi (-muclibc): Remove caveat about supported
10008 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10010 * doc/cpp.texi (__TIMESTAMP__): Document.
10012 2006-02-17 Roger Sayle <roger@eyesopen.com>
10014 PR middle-end/25600
10015 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10016 C is one less than the width of X (and related transformations).
10017 * simplify-rtx.c (simplify_unary_operation_1): Transform
10018 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10019 depending on STORE_FLAG_VALUE, were C is one less then the
10022 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10024 Fix PR tree-optimization/26341
10025 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10026 about NAME_MEMORY_TAG's.
10028 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10031 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10032 with hardware float support, and software float support. Add fcpy
10033 alternative to hardware patterns. Add alternatives to copy between
10034 general and floating-point registers to the 32-bit pattern.
10035 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10036 secondary reload to load a QI or HI mode constant into a floating
10038 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10039 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10041 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10044 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10046 (load_macho_picbase_di): Likewise.
10048 2006-02-16 Jeff Law <law@redhat.com>
10050 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10051 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10052 (ssa_name_nonzero_p): Likewise.
10053 (get_value_range): Return NULL if VRP is not running.
10054 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10055 VRP routines do not discover a range.
10056 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10057 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10058 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10059 (tree_expr_nonnegative_p): Similarly.
10060 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10061 (restore_nonzero_vars_to_original_value): Remove.
10062 (unsafe_associative_fp_binop): Remove.
10063 (tree_ssa_dominator_optimize): Remove initialization and
10064 finalization of nonzero_vars and nonzero_vars_stack.
10065 (dom_opt_initialize_block): No longer push marker on
10066 nonzero_vars_stack.
10067 (dom_opt_finalize_block): No longer call
10068 restore_nonzero_vars_to_original_value.
10069 (record_equivalences_from_phis): No longer look for
10070 nonzero PHI arguments.
10071 (cprop_into_successor_phis): No longer propagate nonzero
10072 property into PHI arguments. Lose unused argument. Caller
10074 (record_equivalences_from_stmt): No longer record nonzero
10075 values for SSA_NAMEs.
10076 (lookup_avail_expr): No longer use nonzero_vars.
10078 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10079 for sizetype when sizetype is unsigned.
10081 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10083 PR rtl-optimization/25603
10084 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10085 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10086 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10087 with new meaning of SETS.
10089 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10094 * config/linux.opt: New file.
10095 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10096 LINUX_DYNAMIC_LINKER): Define.
10097 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10098 * config.gcc (*-*-linux*): Define extra_options.
10099 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10100 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10101 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10102 GLIBC_DYNAMIC_LINKER.
10103 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10104 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10105 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10107 * doc/invoke.texi (GNU/Linux Options): New section.
10109 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10111 * config/sparc/sparc.md (setjmp): Rewrite.
10112 (setjmp_32): Delete.
10113 (setjmp_64): Likewise.
10115 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10117 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10120 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10122 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10125 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10127 PR rtl-optimization/26296
10128 * Makefile.in (loop-invariant.c): Add except.h dependency.
10129 * loop-invariant.c: Include except.h.
10130 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10132 2005-02-16 Paul Brook <paul@codesourcery.com>
10134 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10137 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10139 PR rtl-optimization/25636
10140 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10141 when deciding whether an insn is an initializing insn.
10143 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10145 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10146 (tree_code_size): Ditto.
10147 * tree.h (struct tree_memory_tag): Remove parent_var.
10148 (struct tree_struct_field_tag): New.
10151 (union tree_node): Add sft member.
10152 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10154 (create_sft): Add size and offset argument, set SFT_OFFSET and
10156 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10157 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10158 * tree-flow-inline.h (get_subvar_at): Update for
10159 SFT_OFFSET/SFT_SIZE.
10160 (var_can_have_subvars): Ditto.
10161 (overlap_subvar): Ditto.
10162 * print-tree.c (print_node): Print out interesting things for
10164 * tree-flow.h (struct subvar): Remove offset and size members.
10165 * tree-ssa-operands.c (get_expr_operands): Update for
10166 get_indirect_ref_operands changes.
10167 (get_indirect_ref_operands): Call add_virtual_operand instead of
10168 add_stmt_operand. Only recurse on base var if requested.
10169 (access_can_touch_variable): New function.
10170 (add_stmt_operand): Split virtual operand handling into ...
10171 (add_virtual_operand): Here. Add offset, size, and for_clobber
10172 arguments. Prune alias sets.
10173 (add_call_clobber_ops): Call add_virtual_operand.
10175 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10177 PR middle-end/26300
10178 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10180 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10181 than TREE_CODE as index into omp_clause_num_ops array.
10183 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10185 PR rtl-optimization/26184
10186 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10188 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10189 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10190 must_precede, must_follow and tobe_scheduled.
10193 * opts.c (common_handle_option): Free new_option pointer.
10194 * df-core.c (df_analyze): Free postorder pointer.
10196 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10198 * Makefile.in: Fix the examples about the use of stamps
10200 2006-02-15 Michael Matz <matz@suse.de>
10202 PR middle-end/22275
10204 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10205 influenced by maximum_field_alignment or DECL_PACKED.
10206 (update_alignment_for_field): Ditto.
10207 (place_field): Ditto.
10208 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10211 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10213 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10214 (debug_flow_info): Pass it.
10215 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10216 * bb-reorder.c (reorder_basic_blocks): Likewise.
10217 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10218 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10219 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10220 * gcse.c (gcse_main, bypass_jumps): Likewise.
10221 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10222 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10223 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10224 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10225 * rtl.h (dump_flow_info): Adjust prototype.
10226 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10227 * var-tracking.c (variable_tracking_main): Likewise.
10228 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10229 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10232 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10234 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10237 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10239 PR tree-optimization/26209
10240 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10241 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10243 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10245 2006-02-14 Roger Sayle <roger@eyesopen.com>
10247 PR middle-end/23670
10248 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10249 (X,Y) and the corresponding symmetry related transformations.
10250 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10251 (X,Y) and its symmetry related transformations.
10253 2006-02-14 Roger Sayle <roger@eyesopen.com>
10255 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10258 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10260 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10262 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10265 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10266 support COMDAT group.
10267 * configure: Regenerate.
10269 2006-02-14 Roger Sayle <roger@eyesopen.com>
10271 PR middle-end/26279
10272 PR middle-end/26280
10273 PR middle-end/26283
10274 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10276 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10278 Fix PR tree-optimization/26260
10280 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10282 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10283 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10284 * tree-ssa-structalias.c (create_variable_info_for): Use
10285 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10287 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10289 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10291 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10292 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10293 of the ending condition.
10294 * tree-ssa-loop-manip.c: Include params.h.
10295 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10296 tree_unroll_loop): New functions.
10297 * tree-pass.h (pass_loop_prefetch): Declare.
10298 * loop.c (rest_of_handle_loop_optimize): Test for
10299 -fprefetch-loop-arrays-rtl.
10300 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10301 * timevar.def (TV_TREE_PREFETCH): New timevar.
10302 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10303 pass_loop_prefetch): New.
10304 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10305 (cleanup_tree_cfg_loop): Call scev_reset.
10306 * common.opt (fprefetch-loop-arrays-rtl): Add.
10307 * tree-ssa-loop-prefetch.c: New file.
10308 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10309 (new_temp_expr_table): Initialize expr_vars.
10310 (free_temp_expr_table): Cleanup expr_vars.
10311 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10312 expressions from being merged into one.
10313 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10314 (struct tree_niter_desc): Add control, bound and cmp fields.
10315 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10317 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10318 (tree-cfgcleanup.o): Add SCEV_H dependency.
10319 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10320 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10322 2006-02-14 Richard Guenther <rguenther@suse.de>
10324 PR tree-optimization/26258
10325 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10326 in PHI argument processing.
10328 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10330 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10331 new expression in the requested machine mode.
10333 2006-02-13 Roger Sayle <roger@eyesopen.com>
10335 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10336 directly, instead let do_compare_rtx_and_jump handle this for us.
10337 * expr.c (expand_expr_real_1): Likewise.
10338 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10339 before do_jump_by_parts_greater.
10340 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10341 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10343 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10345 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10347 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10349 PR rtl-optimization/26235
10350 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10351 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10354 2006-02-13 Jeff Law <law@redhat.com>
10356 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10359 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10361 PR middle-end/26092
10362 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10363 twice if decl is a builtin. When trying again, call get_callee_fndecl
10364 first to verify it is still a builtin.
10366 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10368 * dwarf2out.c (base_type_die): Don't add AT_name here.
10369 (subrange_type_die): Don't add AT_name here.
10370 (modified_type_die): Rearrange code flow. Do add AT_name here.
10372 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10374 PR rtl-optimization/26247
10375 PR rtl-optimization/26248
10376 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10378 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10380 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10381 * config/fixtfdi.c: Likewise.
10382 * config/fixunstfdi.c: Likewise.
10383 * config/floatditf.c: Likewise.
10385 2006-02-13 Roger Sayle <roger@eyesopen.com>
10387 PR middle-end/24427
10388 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10389 into (X,C2) if C1 is a subset of the bits of C2. Transform
10390 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10392 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10394 2006-02-13 Josh Conner <jconner@apple.com>
10397 * varasm.c (function_section): Check for section name before
10398 calling select_section on targets that define
10399 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10400 unlikely_text_section instead of hot_function_section if
10401 first_function_block_is_cold.
10403 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10405 PR middle-end/25335
10406 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10408 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10410 PR rtl-optimization/26222
10411 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10412 after tree->rtl expansion.
10413 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10414 before passing it to emit_move_insn.
10416 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10418 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10420 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10421 Clarify documentation.
10422 * c-common.h (warn_write_strings): Remove.
10423 * c-common.c (warn_write_strings): Likewise.
10424 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10427 2006-02-12 Roger Sayle <roger@eyesopen.com>
10429 PR middle-end/25724
10430 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10431 (do_jump_parts_zero_rtx): New function renamed from
10432 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10433 (do_jump_parts_equality_rtx): New function split out from
10434 do_jump_parts_equality. Old implementation renamed as above.
10435 Call do_jump_parts_zero_rtx if either operand is zero.
10436 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10437 do all of the heavy lifting.
10438 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10439 calling either do_jump_by_parts_greater_rtx or
10440 do_jump_by_parts_equality_rtx.
10441 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10442 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10443 moved to do_compare_rtx_and_jump, call it directly.
10444 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10445 mode argument. Call do_compare_rtx_and_jump.
10446 (emit_case_nodes): Update calls to do_jump_if_equal.
10448 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10450 PR rtl-optimization/26225
10451 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10453 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10455 PR rtl-optimization/26232
10456 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10458 2006-02-11 Jason Merrill <jason@redhat.com>
10461 * tree-inline.c (declare_return_variable): Just don't use the
10462 modify target if it's a gimple complex reg and the return slot
10465 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10467 * doc/contrib.texi: Update my entry.
10469 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10471 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10473 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10475 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10478 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10480 * doc/invoke.texi (-floop-optimize2): Removed.
10481 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10482 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10483 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10484 * common.opt (floop-optimize2): Removed.
10485 (fmove-loop-invariants): Enabled by default.
10487 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10489 * tree-if-conv.c (combine_blocks): Free the result of
10490 get_loop_exit_edges.
10492 2006-02-10 Jeff Law <law@redhat.com>
10494 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10496 PR tree-optimization/26213
10497 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10498 loop trying to follow SSA_NAME_VALUE chains.
10500 2006-02-10 Richard Guenther <rguenther@suse.de>
10502 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10503 deal with structures that end in implicitly variable sized arrays.
10505 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10507 PR rtl-optimization/24762
10508 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10511 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10513 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10514 (struct ivopts_data): Add regs_used field.
10515 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10516 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10517 instead of loop_data->regs_used;
10518 (free_loop_data): Do not free aux fields for loops.
10519 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10520 and tree_ssa_iv_optimize_finalize.
10522 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10524 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10526 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10529 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10530 computing the effective result type.
10532 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10534 PR inline-asm/16194
10535 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10536 (tree_overlaps_hard_reg_set): Declare.
10537 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10538 type and signature to match function type expected by walk_tree.
10539 (tree_overlaps_hard_reg_set): New function.
10540 (decl_conflicts_with_clobbers_p): Rename to:
10541 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10542 Use tree_overlaps_hard_reg_set. Changed caller.
10543 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10544 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10545 * cris.c (cris_md_asm_clobbers): Likewise.
10547 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10549 * reload1.c (emit_input_reload_insns): Delete code that tries to
10550 inherit using find_equiv_reg.
10552 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10554 * c-common.h (flag_const_strings): Don't declare.
10555 * c-common.c (flag_const_strings): Remove.
10556 * c.opt (fconst_strings): Remove.
10557 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10558 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10559 (c_common_init_options): Don't set flag_const_strings.
10560 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10562 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10564 * arm.md (tlobits_cbranch): New pattern.
10565 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10566 testing a single bit.
10568 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10571 * tree-ssa-pre.c (create_component_ref_by_pieces):
10572 Handle RETURN_DECL like VAR_DECL.
10574 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10576 PR middle-end/26134
10577 * fold-const.c (fold_indirect_ref_1): Fold
10578 "*(foo *)&complexfoo" to "__real__ complexfoo"
10579 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10581 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10583 * tree-flow-inline.h (var_can_have_subvars):
10584 Volatile variables should not have subvariables.
10586 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10589 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10590 multiplying unsigned values.
10593 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10595 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10597 2006-02-08 Jason Merrill <jason@redhat.com>
10600 * tree.def: Elaborate on difference from MODIFY_EXPR.
10601 * doc/c-tree.texi (INIT_EXPR): Likewise.
10602 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10603 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10604 (gimplify_target_expr): Likewise.
10605 (gimplify_cond_expr): Remove target handling.
10606 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10607 (gimplify_expr): Clobber it here.
10608 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10609 Do return slot optimization if we have an INIT_EXPR.
10612 * tree-inline.c (declare_return_variable): Also clear
10613 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10616 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10618 PR middle-end/22439
10619 * gimplify.c (gimplify_one_sizepos): Fix typo.
10621 2006-02-08 Jeff Law <law@redhat.com>
10623 PR tree-optimization/21417
10624 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10625 across a backedge if the control statement at the end of the
10626 block is data dependent on other statements in the same block.
10627 (record_temporary_equivalences_from_stmts): Remove over-conservative
10628 test for threading across backedges.
10630 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10631 control statement, handle all three special cases in the same
10632 manner as they all have the same desired solution. No longer
10633 special case edge flag updating when the post dominator is
10636 2006-02-08 Roger Sayle <roger@eyesopen.com>
10638 * tree.def (CHAR_TYPE): Remove.
10639 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10640 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10641 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10642 (gen_string_type_die): Delete unreachable function.
10644 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10645 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10646 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10647 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10648 * builtins.c (type_to_class): Likewise.
10649 * fold-const.c (fold_convert, build_range_check,
10650 merge_ranges): Likewise.
10651 * expr.c (count_type_elements): Likewise.
10652 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10653 * stor-layout.c (layout_type): Likewise.
10654 * ipa-type-escape.c (type_to_consider): Likewise.
10655 * gimplify.c (omp_firstprivatize_type_sizes,
10656 gimplify_type_sizes): Likewise.
10657 * explow.c (promote_mode): Likewise.
10658 * tree-sra.c (is_sra_scalar_type): Likewise.
10659 * varasm.c (output_constant): Likewise.
10660 * tree-inline.c (remap_type_1): Likewise.
10661 * convert.c (convert_to_pointer, convert_to_real,
10662 convert_to_integer, convert_to_complex): Likewise.
10664 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10666 * df-scan.c (df_def_record_1): A set destination may
10667 be a parallel regardless of mode.
10669 2006-02-08 Roger Sayle <roger@eyesopen.com>
10672 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10673 * config/mips/_tilib.c: Remove.
10674 * config/fixtfdi.c: New libgcc source file.
10675 * config/fixunstfdi.c: New source file.
10676 * config/floatditf.c: New source file.
10677 * config/floatunditf.c: New souce file.
10678 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10679 files above instead of config/mips/_tilib.c.
10680 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10682 2006-02-08 Jeff Law <law@redhat.com>
10684 PR tree-optimization/26169
10685 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10688 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10690 * df.h (DF_REG_SIZE): Return the length of the initialized
10693 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10695 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10696 __muldf3): Return a correctly signed zero.
10698 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10700 * passes.c (register_one_dump_file): Accept the current properties
10701 instead of pass number. Adjust call to dump_register. Remove
10703 (register_dump_files): Now a wrapper around...
10704 (register_dump_files_1): ... this one. Do not modify the pass
10706 (next_pass_1): Cosmetic fix.
10707 (execute_todo): Keep second parameter only. Use curr_properties
10708 instead of fetching it from the pass structure. Check and set
10710 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10711 instead of fetching it from the pass structure. Fix calls to
10712 execute_todo. Update curr_properties and initialize .vcg RTL dump
10713 after running the pass. Reset last_verified.
10714 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10716 (FIRST_AUTO_NUMBERED_DUMP): New.
10717 (dump_register): Remove "num" parameter, assign it within the
10719 (get_dump_file_name): Modify template for dumps.
10720 * tree-dump.h (dump_register): Adjust prototype.
10721 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10722 (PROP_trees): Add PROP_gimple_lomp.
10723 (TODO_set_props): New.
10724 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10725 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10726 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10728 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10730 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10731 (sparc64-*-linux*): Likewise.
10732 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10733 * config/sparc/t-linux: New file.
10734 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10735 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10736 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10737 -m32 -mlong-double-128.
10739 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10740 * config/alpha/t-linux: New file.
10741 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10743 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10744 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10745 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10746 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10747 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10748 (CPP_ARCH32_SPEC): Remove.
10750 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10752 PR tree-optimization/26145
10753 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10756 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10759 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10760 >= 240000 when generating code for SOM runtime.
10761 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10762 to $$dyncall when generating code for SOM runtime..
10764 2006-02-07 Dirk Mueller <dmueller@suse.com>
10767 * doc/invoke.texi (-Wsequence-point): Update documentation
10768 that -Wsequence-point is implemented for C++ as well.
10770 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10772 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10773 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10774 (LIB_SPEC): Likewise.
10775 * doc/invoke.texi (SPARC options): Document -pthread.
10777 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10779 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10782 2006-02-07 Roger Sayle <roger@eyesopen.com>
10784 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10785 Correct comment describing BOOLEAN_TYPE.
10787 2006-02-07 Dirk Mueller <dmueller@suse.com>
10789 * c.opt: C++ frontend supports -Wdiv-by-zero.
10790 * c-opts.c (c_common_handle_option): Remove dead case.
10792 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10794 * configure.ac (TLS assembler check): Do not enable TLS by
10795 default on SPARC/Solaris before version 10.
10796 * configure: Regenerate.
10798 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10800 * doc/invoke.texi (xl-compat): Document conversion and support
10803 2006-02-07 Jeff Law <law@redhat.com>
10805 * tree-vrp.c (find_conditional_asserts): Update comments.
10806 (simplify_stmt_for_jump_threading): New.
10807 (identify_jump_threads, finalize_jump_threads): New.
10808 (vrp_finalize): Call identify_jump_threads.
10809 (execute_vrp): Call finalize_jump_threads.
10810 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10811 (vrp_element, vrp_data, vrp_element_p): Remove.
10812 (vrp_hash_elt, vrp_variables_stack): Remove.
10813 (vrp_hash, vrp_eq, record_range): Remove.
10814 (simplify_cond_and_lookup_avail_expr): Remove.
10815 (extract_range_from_cond): Remove.
10816 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10817 (simplify_stmt_for_jump_threading): New.
10818 (dom_thread_across_edge): New wrapper.
10819 (tree_ssa_dominator_optimize): No longer initialize or
10820 finalize any of the VRP datastructures. Remove iteration
10821 step and simplify as a result of removal of iteration step.
10822 (pass_dominator): Perform a cfg cleanup after DOM.
10823 (dom_opt_finalize_block): Use the new common routines
10824 for threading jumps. Simplify stack management slightly.
10825 No longer need to unwind VRP state.
10826 (record_equivalences_from_incoming_edge): No longer record
10828 (eliminate_redundant_computations): No longer call
10829 simplify_cond_and_lookup_avail_expr.
10830 * tree-flow.h (potentially_threadable_block): Prototype.
10831 (thread_across_edge): Likewise.
10832 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10833 (tree-ssa-threadedge.o): Add dependencies.
10834 * tree-ssa-threadedge.c: New file.
10835 * passes.c (init_optimization_passes): Merge PHIs before
10836 calling VRP. Run VRP again late in the SSA optimization pipeline.
10838 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10840 * df-core.c (df_set_blocks): Do not dereference function pointers.
10841 (df_finish1): Likewise.
10842 (df_hybrid_search_forward): Likewise.
10843 (df_hybrid_search_backward): Likewise.
10844 (df_iterative_dataflow): Likewise.
10845 (df_analyze_problem): Likewise.
10846 (df_compact_blocks): Likewise.
10847 (df_dump): Likewise.
10848 * df-scan.c (df_rescan_blocks): Likewise.
10849 (df_record_entry_block_defs): Likewise.
10851 * genconditions.c (write_conditions): Guard the definition of
10852 'insn_conditions' with the check on GCC version.
10853 (write_writer): Guard the traversal 'insn_conditions' with
10854 the check on GCC version.
10856 2006-02-07 Richard Guenther <rguenther@suse.de>
10860 2006-01-30 Richard Guenther <rguenther@suse.de>
10862 * gimplify.c (gimplify_target_expr): Handle easy cases
10863 without creating a temporary.
10865 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10867 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10868 use of float in probability computations. Use edge probabilities
10869 in place of statically computed probabilities.
10870 (min_spec_prob): New static variable.
10871 (schedule_insns): Initialize it.
10872 (GET_SRC_PROB): Removed.
10873 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10875 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10878 * config/ia64/unwind-ia64.c: Revert last change.
10879 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10880 (INCOMING_FRAME_SP_OFFSET): Define.
10882 2006-02-06 Roger Sayle <roger@eyesopen.com>
10884 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10886 2006-02-07 Ben Elliston <bje@au.ibm.com>
10888 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10889 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10890 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10891 (ix86_return_in_memory): Handle TDmode.
10892 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10893 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10895 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10897 * reorg.c (dbr_schedule): Use dump_file instead of file.
10899 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10902 * config/ia64/predicates.md (extr_len_operand): New predicate.
10903 * config/ia64/ia64.md (extv): Tighten constraints.
10905 (*tbit_and_2): Ditto.
10906 (*tbit_and_3): Ditto.
10907 (*tbit_or_2): Ditto.
10908 (*tbit_or_3): Ditto.
10909 (*bit_zero): Ditto.
10912 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10915 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10917 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10919 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10920 loop_optimizer_init and loop_optimizer_finalize
10921 * tree-ssa-sink.c (execute_sink_code): Ditto.
10922 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10923 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10924 tree_ssa_loop_done): Ditto.
10925 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10926 * sched-ebb.c: Include output.h.
10927 (schedule_ebbs): Do not use dump argument.
10928 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10929 * loop.c (loop_dump_stream): Removed.
10930 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10932 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10933 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10934 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10935 loop_iterations, strength_reduce, record_biv, record_giv,
10936 final_giv_value, check_final_value, check_ext_dependent_givs,
10937 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10938 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10939 dump_file instead of loop_dump_stream.
10940 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10941 argument dump_file.
10942 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10944 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10945 * haifa-sched.c: Include output.h
10946 (schedule_insns, sched_init): Do not use dump argument.
10947 * mode-switching.c (optimize_mode_switching): Ditto.
10948 * modulo-sched.c (stats_file): Removed.
10949 (print_node_sched_params): Do not call argument dump_file.
10950 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10951 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10953 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10955 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10956 rtl_loop_init, rtl_loop_done): Ditto.
10957 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10958 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10960 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10961 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10962 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10963 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10964 * emit-rtl.c (renumber_insns): Ditto.
10965 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10966 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10967 * regclass.c (regclass): Ditto.
10968 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10969 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10970 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10971 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10973 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10974 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10976 * gcse.c (gcse_file, debug_stderr): Removed.
10977 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10978 rest_of_handle_gcse): Do not use dump argument.
10979 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10980 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10981 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10982 compute_code_hoist_vbeinout, compute_code_hoist_data,
10983 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10984 compute_store_table, build_store_vectors, insert_insn_start_bb,
10985 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10986 store_motion): Use dump_file instead of gcse_file.
10987 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10988 * profile.c (profile_dump_file): Removed.
10989 (branch_prob): Use dump_file instead of profile_dump_file.
10990 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10992 * tree-ssa-copy.c (dump_copy_of): Ditto.
10993 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10994 dump file to life_analysis.
10995 * bt-load.c (branch_target_load_optimize): Ditto.
10996 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10998 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10999 regclass, dbr_schedule): Declaration changed.
11000 * sched-int.h (sched_init): Declaration changed.
11001 * tree-profile.c (tree_profile_dump_file): Removed.
11002 (tree_profile_hooks): Removed profile_dump_file hook.
11003 * rtl-profile (rtl_profile_dump_file): Removed.
11004 (rtl_profile_hooks): emoved profile_dump_file hook.
11005 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11007 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11008 * tree-cfg.c (build_tree_cfg): Ditto.
11009 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11010 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11011 Declaration changed.
11012 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11013 life_analysis and schedule_insns.
11014 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11016 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11018 * config/mips/mips.c (mips_reorg): Ditto.
11019 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11022 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11024 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11025 (s390_mangle_fundamental_type): New.
11026 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11029 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11030 (alpha_mangle_fundamental_type): New.
11031 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11034 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11036 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11038 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11039 (sparc_mangle_fundamental_type): New.
11041 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11043 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11044 (s390x-*-linux*): Likewise.
11045 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11046 * config/s390/t-linux: New file.
11048 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11050 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11051 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11053 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11055 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11056 (ANTIC_SAFE_LOADS): New macro.
11057 (find_or_generate_expression): Add prototype.
11058 (set_contains_value): Allow null set for sake of not always having
11059 to allocate ANTIC_SAFE_LOADS.
11060 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11061 Allow COMPONENT_REF too.
11062 (valid_in_set): Allow COMPONENT_REF.
11063 Check ANTIC_SAFE_LOADS too.
11064 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11065 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11067 (can_PRE_operation): Add COMPONENT_REF.
11068 (create_component_ref_by_pieces): New function.
11069 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11070 (insert_aux): Move AGGREGATE_TYPE_P check here.
11071 (compute_avail): Set bb local stmt uids.
11072 (pass_pre): Use TODO_update_ssa_only_virtuals.
11074 2006-02-06 Ben Elliston <bje@au.ibm.com>
11076 * configure.ac: Unconditionally disable decimal float by default.
11077 * configure: Regenerate.
11079 2006-02-06 Ben Elliston <bje@au.ibm.com>
11081 * read-rtl.c (read_name): Terminate reading on EOF.
11083 2006-02-06 Ben Elliston <bje@au.ibm.com>
11085 * dfp.c (decimal_real_arithmetic): Change second argument type
11086 from int to enum tree_code. Do not always return true, but now
11087 return result of any call to decimal_do helper functions.
11088 * dfp.h (decimal_real_arithmetic): Update prototype.
11090 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11092 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11094 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11097 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11100 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11102 * tree-vrp.c (cfg_loops): Removed.
11103 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11104 Use current_loops instead of cfg_loops. Pass flags to
11105 loop_optimizer_init.
11106 * cfgloopmanip.c (fix_loop_structure): Update only available
11108 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11109 loop_optimizer_init.
11110 * modulo-sched.c (build_loops_structure): Removed.
11111 (sms_schedule): Use loop_optimizer_init.
11112 * loop-init.c (loop_optimizer_init): Use flags to determine
11113 which properties of loops to prepare.
11114 (rtl_loop_init): Pass flags to loop_optimizer_init.
11115 * tree-ssa-sink.c (execute_sink_code): Ditto.
11116 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11117 * tree-ssa-pre.c (init_pre): Ditto.
11118 * cfgloop.h (LOOPS_NORMAL): New.
11119 (loop_optimizer_init): Declaration changed.
11121 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11123 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11124 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11126 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11128 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11130 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11131 * pa/t-pa64: Delete quadlib.c rule.
11132 * pa/x-ada: Revert last change.
11133 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11135 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11137 PR rtl-optimization/26087
11138 * rtlanal.c (canonicalize_condition): Do not cross basic block
11141 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11144 * config/ia64/ia64.c: Include debug.h.
11145 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11146 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11147 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11148 (process_epilogue, process_set, process_for_unwind_directive):
11149 Output unwind info only if requested. Add CFA info if requested.
11150 Add new arguments as needed. Adjust callers.
11151 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11153 (DWARF2_FRAME_INFO): Define to zero.
11154 * config/ia64/unwind-ia64.c: Remove code that compensated for
11155 the CFA offset error fixed above.
11156 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11157 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11158 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11159 -funwind-tables and -fexceptions to enable frame info.
11160 (dwarf2out_frame_init): Define initial CFA even if
11161 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11162 DWARF2_UNWIND_INFO is nonzero, not just defined.
11163 (dwarf2out_frame_finish): Output non-EH call frame info only
11164 if DWARF2_FRAME_INFO is nonzero.
11165 (convert_cfa_to_loc_list,
11166 compute_frame_pointer_to_cfa_displacement): Define even if
11167 unwind info is not supported.
11168 (gen_subprogram_die): Use the above unconditionally. Remove
11169 legacy alternate code.
11170 * toplev.c (compile_file): Compile in call to
11171 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11172 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11174 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11175 Jakub Jelinek <jakub@redhat.com>
11177 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11178 IBM extended float format long double as "g" on powerpc*-linux.
11180 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11183 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11184 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11186 2006-02-03 Jason Merrill <jason@redhat.com>
11189 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11191 PR middle-end/25977
11192 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11193 on the return slot if it's an NRV.
11195 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11197 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11198 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11199 rewrite_use): Do not handle USE_OUTER.
11200 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11201 add_iv_outer_candidates, may_replace_final_value,
11202 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11203 (find_interesting_uses_op): Functionality of
11204 find_interesting_uses_outer_or_nonlin moved here.
11205 (find_interesting_uses_outside): Use find_interesting_uses_op.
11207 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11210 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11212 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11213 Ulrich Weigand <uweigand@de.ibm.com>
11216 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11217 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11218 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11219 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11221 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11222 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11223 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11224 Define secondary reloads for TFmode moves.
11225 (constant_modes): Add TFmode.
11226 (NR_C_MODES): Set to 8.
11227 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11229 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11230 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11231 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11232 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11233 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11234 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11235 (FPR mode macro): Add TFmode.
11236 (DSF mode macro): New.
11237 (<de>, <dee> mode attributes): Removed.
11238 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11239 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11240 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11241 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11242 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11243 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11244 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11245 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11246 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11247 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11248 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11249 "*negabs<mode>2", "sqrt<mode>2"):
11250 Changed <de> to <xde>. R constraint replaced by <Rf>.
11251 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11253 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11254 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11255 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11257 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11258 "extenddftf2", "extendsftf2"): New expanders.
11259 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11260 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11261 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11262 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11264 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11265 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11266 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11267 __floatditf): Add a GCC_4.1.0 symbol version tag.
11268 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11271 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11274 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11275 Use targetm.binds_local_p instead of TREE_PUBLIC.
11277 2006-02-02 Roger Sayle <roger@eyesopen.com>
11279 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11280 on INTEGER_TYPEs to indicate that it denotes a character type.
11281 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11282 signed_char_type_node, unsigned_char_type_node and char_type_node.
11283 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11284 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11285 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11287 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11288 Daniel Berlin <dberlin@dberlin.org>
11290 * tree-tailcall.c (arg_needs_copy_p): New function.
11291 (eliminate_tail_call): Use arg_needs_copy_p.
11292 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11293 (add_virtual_phis): New function.
11295 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11297 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11298 #ignore instead of #scratch for %g7 .register directive.
11300 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11302 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11305 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11307 * flow.c (calculate_global_regs_live): Assert that there aren't any
11310 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11312 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11313 what its name says.
11314 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11315 bsi_after_labels iterator.
11316 * tree-if-conv.c (find_phi_replacement_condition,
11317 replace_phi_with_cond_modify_expr): Likewise.
11318 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11319 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11321 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11323 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11325 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11328 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11329 array after growing it.
11331 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11333 PR middle-end/24901
11334 * fold-const.c (fold_checksum_tree): Change type of buf.
11336 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11338 * reload.c (push_secondary_reload): Initialize t_icode.
11340 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11342 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11343 -msoft-float -mlong-double-128 only issue a warning, but don't
11344 swich to DFmode long double.
11346 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11348 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11349 has a constant equivalent, iterate over equivalents for arg0,
11350 calling simplify_relational_operation and if there's a result
11351 cheaper than X, apply fold_rtx and return the result.
11353 2006-02-01 Jan Hubicka <jh@suse.cz>
11355 * opts.c (no_unit_at_a_time_default): New global variable.
11356 (decode_options): Use it.
11357 * opts.h (no_unit_at_a_time_default): Declare.
11359 2006-02-01 Paul Brook <paul@codesourcery.com>
11361 * function.c (assign_parm_setup_reg): Use function argument promotion
11363 * expr.c (expand_expr_real_1): Use function argument promotion rules
11366 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11368 * gcc.c (process_command): Change j to 'unsigned int'.
11370 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11372 PR middle-end/26001
11373 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11374 Use the corrected index for the character
11375 out of the string constant.
11377 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11379 * mode-switching.c (optimize_mode_switching): Fix size
11380 allocated for bb_info[n_entities].
11382 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11384 * gcc.c (main): Correct type that is allocated for
11385 explicit_link_files.
11387 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11389 * config/s390/s390.c (init_alignment_context): Set
11390 ALIAS_SET_MEMORY_BARRIER on the MEM.
11391 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11393 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11395 PR middle-end/25933
11396 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11398 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11401 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11403 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11404 * regrename.c: Ditto.
11405 * tree-ssa-loop-im.c: Ditto.
11406 * tree-dump.c: Ditto.
11407 * tree-complex.c: Ditto.
11408 * genrecog.c: Ditto.
11409 * tree-ssa-threadupdate.c: Ditto.
11411 * java/class.c: Ditto.
11412 * java/jcf-parse.c: Ditto.
11413 * java/resource.c: Ditto.
11414 * java/except.c: Ditto.
11415 * java/jvspec.c: Ditto.
11416 * java/jcf-write.c: Ditto.
11417 * java/jcf-path.c: Ditto.
11418 * java/gjavah.c: Ditto.
11419 * java/zextract.c: Ditto.
11420 * java/jcf-io.c: Ditto.
11421 * java/jcf.h: Ditto.
11422 * java/buffer.c: Ditto.
11423 * java/lang.c: Ditto.
11424 * java/parse-scan.y: Ditto.
11425 * java/lex.c: Ditto.
11426 * java/lex.h: Ditto.
11427 * cfgloopmanip.c: Ditto.
11428 * postreload-gcse.c: Ditto.
11429 * tree-ssa-loop-manip.c: Ditto.
11430 * postreload.c: Ditto.
11431 * tree-ssa-loop-ch.c: Ditto.
11434 * cppspec.c: Ditto.
11435 * diagnostic.c: Ditto.
11437 * genoutput.c: Ditto.
11439 * cfghooks.c: Ditto.
11440 * cfgloopanal.c: Ditto.
11441 * objc/objc-act.c: Ditto.
11443 * genextract.c: Ditto.
11444 * genautomata.c: Ditto.
11445 * pretty-print.c: Ditto.
11446 * genemit.c: Ditto.
11447 * cgraphunit.c: Ditto.
11449 * df-scan.c: Ditto.
11450 * haifa-sched.c: Ditto.
11451 * dominance.c: Ditto.
11453 * tree-ssa-loop-ivopts.c: Ditto.
11454 * df-core.c: Ditto.
11455 * mode-switching.c: Ditto.
11456 * modulo-sched.c: Ditto.
11458 * ipa-pure-const.c: Ditto.
11460 * fix-header.c: Ditto.
11462 * tree-stdarg.c: Ditto.
11463 * ipa-utils.c: Ditto.
11464 * loop-init.c: Ditto.
11465 * ipa-inline.c: Ditto.
11466 * cfganal.c: Ditto.
11468 * alloc-pool.c: Ditto.
11469 * dwarf2out.c: Ditto.
11471 * genattrtab.c: Ditto.
11472 * tree-ssa-loop-ivcanon.c: Ditto.
11473 * predict.c: Ditto.
11474 * timevar.c: Ditto.
11476 * fortran/gfortranspec.c: Ditto.
11477 * regmove.c: Ditto.
11478 * local-alloc.c: Ditto.
11479 * langhooks.c: Ditto.
11480 * function.c: Ditto.
11481 * tree-vectorizer.c: Ditto.
11483 * ipa-type-escape.c: Ditto.
11485 * tree-if-conv.c: Ditto.
11486 * profile.c: Ditto.
11488 * tree-data-ref.c: Ditto.
11489 * loop-unroll.c: Ditto.
11490 * treelang/treetree.c: Ditto.
11492 * bt-load.c: Ditto.
11493 * ggc-common.c: Ditto.
11495 * coverage.c: Ditto.
11497 * tree-cfgcleanup.c: Ditto.
11498 * tree-ssa-pre.c: Ditto.
11499 * cfgcleanup.c: Ditto.
11500 * loop-invariant.c: Ditto.
11501 * loop-iv.c: Ditto.
11502 * ipa-prop.c: Ditto.
11503 * print-tree.c: Ditto.
11504 * conflict.c: Ditto.
11505 * ggc-page.c: Ditto.
11506 * sched-deps.c: Ditto.
11507 * regclass.c: Ditto.
11508 * tree-object-size.c: Ditto.
11509 * combine.c: Ditto.
11510 * bb-reorder.c: Ditto.
11511 * resource.c: Ditto.
11512 * var-tracking.c: Ditto.
11513 * cfgloop.c: Ditto.
11514 * df-problems.c: Ditto.
11515 * reg-stack.c: Ditto.
11517 * gccspec.c: Ditto.
11518 * sched-rgn.c: Ditto.
11519 * tree-ssa-structalias.c: Ditto.
11520 * tree-ssa-reassoc.c: Ditto.
11521 * config/darwin-c.c: Ditto.
11522 * config/darwin.c: Ditto.
11523 * config/arm/arm.c: Ditto.
11525 * collect2.c: Ditto.
11526 * reload1.c: Ditto.
11528 2006-01-31 Nicolas Pitre <nico@cam.org>
11530 * arm.md (smaxsi3): Make aware of smax_m1.
11533 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11535 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11537 2006-01-31 Richard Guenther <rguenther@suse.de>
11539 * doc/invoke.texi (-msselibm): Document.
11540 * target.h (expand_library_builtin): New target hook.
11541 * builtins.c (expand_builtin): Use expand_library_builtin.
11542 (default_expand_library_builtin): New function.
11543 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11544 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11545 (link_gcc_math_spec): Declare.
11546 (static_specs): Add link_gcc_math_spec.
11547 * expr.h (default_expand_library_builtin): Declare.
11548 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11549 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11550 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11551 * config/i386/i386.opt (msselibm): New target option.
11552 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11553 (ix86_init_sse_abi_builtins): New function.
11554 (ix86_expand_library_builtin): Likewise.
11555 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11556 (override_options): Handle error conditions wrt -msselibm.
11557 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11558 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11559 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11562 2006-01-31 Richard Guenther <rguenther@suse.de>
11563 Paolo Bonzini <bonzini@gnu.org>
11565 * doc/install.texi (--disable-libgcc-math): Document.
11567 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11569 * expr.h (expand_normal): new inline function.
11570 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11571 * dojump.c: use it.
11572 * dwarf2out.c: use it.
11575 * expmed.c: use it.
11576 * except.c: use it.
11577 * config/sparc/sparc.c: use it.
11578 * config/i386/i386.c: use it.
11579 * config/rs6000/rs6000.c: use it.
11580 * config/arm/arm.c: use it.
11581 * config/mips/mips.c: use it.
11582 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11584 2006-01-30 Roger Sayle <roger@eyesopen.com>
11586 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11587 argv to the appropriate type.
11589 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11591 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11594 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11597 * config/s390/s390.c (struct machine_function): New flag
11598 decomposed_literal_pool_addresses_ok_p.
11599 (s390_reorg): Set it before final stage of literal pool transforms.
11600 (s390_decompose_address): Only accept displacements of the form
11601 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11603 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11605 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11606 the comparison routine return.
11608 2006-01-30 Michael Matz <matz@suse.de>
11610 * global.c (find_reg): Only evict for global regs.
11611 Take n_refs into account and dump more info.
11613 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11616 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11617 (pragma_trap, pragma_nosave_low_regs): Likewise.
11618 (current_function_anonymous_args): Likewise.
11619 (sh_deferred_function_attributes): New variable.
11620 (sh_deferred_function_attributes_tail): Likewise.
11621 (print_operand): For '@', look up trap_exit attribute.
11622 (calc_live_regs): Look up trapa_handler attribute. For trapa
11623 handlers, save/restore fpscr, but don't do any other
11624 interrupt-specific saves.
11625 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11626 Fix check for partially saved registers to check for SHmedia.
11627 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11628 (sh_output_function_epilogue): Don't clear any of the removed
11630 (sh_insert_attributes): Don't check pragma_interrupt.
11631 Insert deferred attributes. Check that interrupt attribute is
11632 present for other attributes that require its presence.
11633 (sh_attribute_table): Add new attributes trapa_handler and
11635 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11636 Don't check for pragma_interrupt. Don't store argument.
11637 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11638 (sh_deferred_function_attributes): Declare.
11639 (sh_deferred_function_attributes_tail): Likewise.
11640 * sh.md (sp_switch_1): Add operand. Change generator caller.
11641 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11642 (*return_i): Don't use when trap_exit attribute is in effect.
11643 (*return_trapa): New insn pattern.
11644 * sh-c.c: New file.
11645 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11646 setting c_target_objs and cxx_target_objs.
11647 * t-sh: Add rule for sh-c.o.
11649 2006-01-30 Richard Guenther <rguenther@suse.de>
11652 * gimplify.c (gimplify_target_expr): Handle easy cases
11653 without creating a temporary.
11655 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11657 * vec.h (safe_grow): Remove duplicated line.
11659 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11662 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11663 (expand_omp): ... here.
11664 (expand_omp_parallel): Only remove barriers for combined
11665 parallel+workshare constructs.
11667 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11671 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11672 * tree.c (build_qualified_type): Chain the new type to the original
11673 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11674 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11675 (build_pointer_type_for_mode): Only return unqualified types.
11676 (build_reference_type_for_mode): Likewise.
11678 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11680 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11681 * Makefile.in (CXX_COMPAT_WARN): Define.
11682 * configure: Regenerate.
11684 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11687 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11690 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11692 * toplev.c: Fix thinko.
11694 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11695 Marcin Dalecki <martin@dalecki.de>
11697 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11698 (push_srcloc): Use XNEW.
11699 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11701 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11703 * df-core.c (df_set_blocks): Deleted all variable.
11705 2006-01-28 Ian Lance Taylor <ian@airs.com>
11707 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11708 cgraph_output_pending_asms.
11710 2006-01-28 Zack Weinberg <zackw@panix.com>
11712 * c.opt: Add -W(no-)overlength-strings.
11713 * doc/invoke.texi: Document it.
11714 * c-opts.c (c_common_handle_option): -pedantic implies
11715 -Woverlength-strings, if not explicitly disabled already.
11716 (c_common_post_options): -Woverlength-strings defaults to off, and
11717 is always off for C++.
11718 * c-common.c (fix_string_type): Issue warning about strings longer
11719 than is portable only if warn_overlength_strings. Rearrange code
11720 a little for clarity.
11721 * configure.in: Check for -Wno-overlength-strings as well before
11722 enabling -pedantic in stage 1.
11723 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11724 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11726 * genconditions.c (write_header, write_one_condition)
11727 (write_conditions, write_writer): Consolidate very long strings
11728 that were broken up to fit in C89 portable limit. Don't use
11729 printf when fputs will do.
11731 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11733 * combine.c (simplify_comparison <AND>): Check
11734 TRULY_NOOP_TRUNCATION before start using a subreg.
11736 * config/mips/mips.md (*branch_zero<mode>,
11737 *branch_zero<mode>_inverted, *branch_equality<mode>,
11738 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11739 Remove mode check from comparisons.
11741 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11743 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11745 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11747 * expmed.c (const_mult_add_overflow_p): Remove.
11748 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11750 * recog.c (validate_replace_rtx_subexp): Remove.
11751 * recog.h: Remove the prototype for
11752 validate_replace_rtx_subexp.
11754 * integrate.h: Remove the prototype for
11755 copy_decl_for_inlining.
11756 * rtl.h: Remove the prototype for mark_constant_function.
11757 * tree-vectorizer.h: Remove the prototype for
11758 vect_strip_conversion.
11760 * modulo-sched.c (create_partial_schedule,
11761 free_partial_schedule, reset_partial_schedule): Make them
11764 * hooks.c (hook_bool_rtx_int_false): Remove.
11765 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11767 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11769 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11770 and -mlong-double-128 are incompatible.
11771 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11772 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11773 (TARGET_LIBGCC2_CFLAGS): Define.
11774 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11775 (TARGET_LIBGCC2_CFLAGS): Same.
11776 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11778 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11781 * c-typeck.c (build_binary_op): Perform implicit casts of
11782 operands before shortening them.
11784 * cfgloopmanip.c (split_loop_bb): Remove.
11785 * cfgloop.h: Remove the prototype for split_loop_bb.
11787 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11788 * cfgloop.h: Remove the prototype for
11789 flow_loop_outside_edge_p.
11791 * emit-rtl.c (init_virtual_regs): Make it static.
11792 * function.h: Remove the prototype for init_virtual_regs.
11794 * recog.c (peephole2_optimize): Make it static.
11795 * recog.h: Remove the prototype for peephole2_optimize.
11797 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11799 * df-scan.c (df_record_entry_block_defs): Check if
11800 INCOMING_RETURN_ADDR_RTX is defined.
11802 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11803 Kenneth Zadeck <zadeck@naturalbridge.com>
11805 PR rtl-optimization/24762
11806 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11807 * targhooks.c (hook_void_bitmap): New hook prototype.
11808 * targhoohs.h (hook_void_bitmap): Ditto.
11809 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11810 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11811 * target.h (live_on_entry): New function pointer.
11812 * df-scan.c (df_all_hard_regs): Removed.
11813 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11814 (df_scan_free_internal): Added df->entry_block_defs.
11815 (df_scan_alloc): Ditto.
11816 (df_scan_dump): Ditto.
11817 (df_uses_record): Plumbed flag field properly thru calls.
11818 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11819 This part fixes PR24762.
11820 (df_bb_refs_record): Added code to make the frame and arg
11821 pointers live in EH blocks.
11822 (df_refs_record): Added call to df_record_entry_block_defs.
11823 (df_record_entry_block_defs): New function.
11824 * df-core.c: Added comments to describe new artifical defs.
11825 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11826 (entry_block_defs): New field in struct df.
11827 (df_all_hard_regs): Deleted.
11828 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11829 * df-problems.c (df_ru_bb_local_compute_process_def):
11830 Added code to handle artifical defs in the entry to a function.
11831 (df_ru_bb_local_compute): Ditto.
11832 (df_rd_bb_local_compute_process_def): Ditto.
11833 (df_rd_bb_local_compute): Ditto.
11834 (df_lr_bb_local_compute): Ditto.
11835 (df_ur_bb_local_compute): Ditto.
11836 (df_urec_bb_local_compute): Ditto.
11837 (df_chain_create_bb): Ditto.
11838 (df_ur_local_finalize): Removed entry.
11839 (df_urec_init): Ditto.
11840 (df_urec_local_finalize): Ditto.
11841 (df_ri_bb_compute): Added detection of last use of pseudos.
11842 * Makefile.in (df-scan.o): Updated dependencies.
11843 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11844 * config/mips/mips.c (mips_set_live_on_entry): Added.
11845 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11847 * dce.c (marked_insn_p): Added code to handle artifical defs.
11849 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11851 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11853 (_mm_cvtsi128_si64): Likewise.
11854 (_mm_cvtsd_si64): Likewise.
11855 (_mm_cvttsd_si64): Likewise.
11856 (_mm_cvtsi64_sd): Likewise.
11857 (_mm_cvtsi64_si128): Likewise.
11858 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11859 (_mm_cvtsi64_m64): Likewise.
11860 (_m_to_int64): Likewise.
11861 (_mm_cvtm64_si64): Likewise.
11862 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11863 (_mm_cvttss_si64): Likewise.
11864 (_mm_cvtsi64_ss): Likewise.
11865 (_mm_cvtss_f32): Likewise.
11867 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11869 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11870 for pragma redefine_extname.
11872 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11875 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11876 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11877 -mno-minimal-toc to previous content.
11878 (bispecs): Remove goal.
11879 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11880 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11881 compatibility aliases on powerpc-*-*gnu*.
11882 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11883 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11884 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11885 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11886 (ldblspecs): New goal.
11887 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11888 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11890 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11891 L_sf_to_tf or L_df_to_tf is defined.
11893 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11894 Alan Modra <amodra@bigpond.net.au>
11897 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11898 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11899 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11900 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11901 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11902 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11903 (rs6000_override_options): Initialize rs6000_ieeequad.
11904 Initialize TFmode format to ibm_extended_format if not
11906 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11908 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11909 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11910 (function_arg_advance): IBM long double passed in two FPRs, not
11912 (function_arg): IBM long double passed in FPRs.
11913 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11914 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11915 Only multireg GPR aligned.
11916 (rs6000_init_libfuncs): Enable IBM long double functions if not
11918 (rs6000_generate_compare): Use IBM long double compare if not
11920 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11921 (TARGET_IEEEQUAD): Define.
11922 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11923 not TARGET_IEEEQUAD.
11924 * config/rs6000/rs6000.md: Enable TFmode patterns if
11926 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11927 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11928 and -mlong-double-128 are incompatible.
11929 * doc/invoke.texi (-mabi): Collect options together. Add
11930 ibmlongdouble and ieeelongdouble.
11932 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11934 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11936 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11937 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11938 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11939 * rtl.h (rtunion_def): Remove rt_ptr.
11941 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11942 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11943 * config/i386/winnt.c (i386_pe_mark_dllexport)
11944 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11946 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11948 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11950 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11954 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11955 pthread_key_delete. From John David Anglin. gthrw-ify
11956 pthread_getunique_np only if it it's not a macro. Delete
11958 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11959 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11960 __gthread_objc_condition_signal, __gthread_key_delete): Add
11961 "__attribute__ ((__unused__))" to unused arguments.
11962 (__gthread_recursive_mutex_init_function): Add missing return.
11963 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11964 gthr-posix95.h: Use macro-based approach for name redirection
11965 on targets missing weakref.
11967 2006-01-26 Zack Weinberg <zackw@panix.com>
11969 * genconditions.c (write_header): In generated code, #ifdef out
11970 all includes and fake declarations, except includes of bconfig.h
11971 and system.h, unless GCC_VERSION >= 3001. Do not include
11972 gensupport.h in any case.
11973 (write_conditions): Generate a definition of struct c_test. Add
11974 a comment to the generated #endif.
11975 (write_one_condition): Escape backslashes in string too.
11976 (write_writer): Generated code must escape backslashes and quote
11977 marks (but not newlines) in the strings it writes.
11978 * Makefile.in (build/gencondmd.o): Update dependencies.
11980 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11983 * Makefile.in (insn-automata.o): Add header file dependencies.
11984 * genautomata.c: Add includes.
11986 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11989 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11991 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11993 * configure.ac: Expect target tools paths to be passed from the toplevel
11994 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11996 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11998 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12001 * c.opt (Wpointer-sign): Init to -1.
12002 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12003 OPT_pedantic, to 0 otherwise.
12004 * doc/invoke.texi: Update.
12006 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12008 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12009 constants provided by 80387 instructions in the destination mode.
12011 2006-01-26 Richard Guenther <rguenther@suse.de>
12012 Andrew Pinski <pinskia@physics.uc.edu>
12015 partial PR tree-opt/17064
12016 * tree-ssa-structalias.c (intra_create_variable_infos):
12017 Create heap variables for incoming parameters if
12018 flag_argument_noalias > 1.
12019 (find_what_p_points_to): Look through default defs of
12022 2006-01-26 Jeff Law <law@redhat.com>
12025 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12026 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12027 within the VR_RANGE, use the VR_RANGE as the result, not the
12029 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12030 bounds for the type.
12032 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12034 * tree-ssa-alias.c (maybe_create_global_var): Change
12035 subvar walking to an assertion that we don't have subvar'd variables.
12037 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12040 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12041 Use a new variable, inner. PARM_DECLs are always non-weak.
12043 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12045 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12046 --disable-checking.
12048 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12050 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12052 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12054 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12055 (smax_insn, smin_insn, smax_0, smin_0): New.
12057 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12060 * config/cris/cris.c (cris_order_for_addsi3): New function.
12061 * config/cris/cris-protos.h: Prototype it.
12062 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12063 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12064 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12065 (split for "op.S1 [rx=rx+i],ry (swapped)")
12066 (split for "op(s|u).S1 [rx=rx+i],ry")
12067 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12068 Apply cris_order_for_addsi3 when generating addsi3 insns.
12070 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12072 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12073 (TREE_BLOCK): Add call to EXPR_CHECK.
12075 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12078 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12079 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12080 (dump_omp_clauses): ... here.
12081 (dump_generic_node): Handle OMP_CLAUSE.
12082 * tree.c (omp_clause_num_ops): New.
12083 (omp_clause_code_name): New.
12084 (tree_code_size): Handle OMP_CLAUSE.
12085 (tree_size): Likewise.
12086 (make_node): Document handling of OMP_CLAUSE.
12087 (tree_node_structure): Handle OMP_CLAUSE.
12088 (omp_clause_check_failed): New.
12089 (omp_clause_range_check_failed): New.
12090 (omp_clause_operand_check_failed): New.
12091 (build_omp_clause): New.
12092 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12093 * tree.h (enum omp_clause_code): Declare.
12094 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12095 (OMP_CLAUSE_RANGE_CHECK): Define.
12096 (OMP_CLAUSE_ELT_CHECK): Define.
12097 (omp_clause_check_failed): Declare.
12098 (omp_clause_operand_check_failed): Declare.
12099 (omp_clause_range_check_failed): Declare.
12100 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12101 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12102 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12103 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12104 (OMP_CLAUSE_IF_EXPR): Likewise.
12105 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12106 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12107 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12108 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12109 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12110 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12111 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12112 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12113 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12114 (OMP_CLAUSE_CODE): Define.
12115 (OMP_CLAUSE_SET_CODE): Define.
12116 (OMP_CLAUSE_CODE): Define.
12117 (OMP_CLAUSE_OPERAND): Define.
12118 (struct tree_omp_clause): Declare.
12119 (union tree_node): Add field 'omp_clause'.
12120 * treestruct.def (TS_OMP_CLAUSE): Define.
12121 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12122 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12123 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12124 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12125 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12126 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12127 (OMP_CLAUSE): Define.
12128 * print-tree.c (print_node): Handle OMP_CLAUSE.
12129 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12130 * c-typeck.c: Likewise.
12131 * gimplify.c: Likewise.
12132 * c-omp.c: Likewise.
12133 * tree-nested.c: Likewise.
12134 * tree-inline.c: Likewise.
12135 * c-parser.c: Likewise.
12136 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12139 2006-01-25 Roger Sayle <roger@eyesopen.com>
12141 PR rtl-optimization/25703
12142 * combine.c (try_combine): Handle zero_extract and strict_low_part
12143 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12145 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12147 * global.c: Fix comment typos.
12149 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12152 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12153 Use output_addr_const instead of assemble_name.
12155 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12157 * Makefile.in (sched-vis.o): Update dependencies.
12158 * haifa-sched.c (sched_finish): Clear current_sched_info.
12159 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12160 (dump_flow_info): Call it.
12161 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12163 * basic-block.h (dump_bb_info): Declare.
12164 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12165 option, and apply options only for dump files whose TDF_RTL,
12166 TDF_TREE, or TDF_IPA bits match.
12167 * rtl.h: Declare new functions exported from sched-vis.c.
12168 * sched-vis.c: Enable also if scheduling is not used.
12169 (print_value): Print the mode of registers if not inside scheduling.
12170 (print_insn): Make it work outside the scheduler. Beautify the output
12172 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12174 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12176 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12177 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12178 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12179 depending on the value of CONSTANT_POOL_ADDRESS_P.
12180 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12182 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12183 rather than SYMBOL_REF_DECL.
12184 (rtx_constant_pool): Remove const_rtx_sym_htab.
12185 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12186 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12187 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12188 Remove handling of const_rtx_sym_htab.
12189 (find_pool_constant): Delete.
12190 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12191 rather than find_pool_constant.
12192 (get_pool_constant_for_function): Delete.
12193 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12194 find_pool_constant.
12195 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12196 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12197 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12198 (SYMBOL_REF_CONSTANT): New macro.
12199 (get_pool_constant_for_function): Delete.
12200 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12201 rather than SYMBOL_REF_DECL.
12202 (i386_pe_mark_dllimport): Likewise.
12203 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12204 rather than SYMBOL_REF_DECL.
12205 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12206 (machopic_indirect_call_target): Likewise.
12208 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12210 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12212 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12214 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12216 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12218 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12220 2006-01-24 David Daney <ddaney@avtrex.com>
12223 * configure.ac (enable_tls): New enable option.
12224 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12225 * configure: Regenerate.
12226 * doc/install.texi (--enable-tls): Document new option.
12227 (--disable-tls): Ditto.
12229 2006-01-24 Richard Henderson <rth@redehat.com>
12231 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12232 * alias.c (true_dependence): Respect it.
12233 (canon_true_dependence, write_dependence_p): Likewise.
12234 * builtins.c (get_builtin_sync_mem): Set it.
12236 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12238 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12241 2006-01-24 DJ Delorie <dj@redhat.com>
12243 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12244 for storing constants in single-bit bitfields.
12246 2006-01-25 Ben Elliston <bje@au.ibm.com>
12248 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12250 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12253 * tree-ssa-pre.c (phi_translate): Return NULL
12254 for AGGREGATE_TYPE's.
12256 2006-01-24 Zack Weinberg <zackw@panix.com>
12258 * genautomata.c (process_state_for_insn_equiv_partition):
12259 Use xcalloc for insn_arcs_array.
12260 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12261 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12263 2006-01-24 Richard Henderson <rth@redhat.com>
12265 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12266 update all callers.
12268 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12270 PR rtl-optimization/25890
12271 PR rtl-optimization/25905
12272 * combine.c (expand_compound_operation, expand_field_assignment):
12273 Fail if the bitfield's final position is out of bounds.
12275 2006-01-24 Ian Lance Taylor <ian@airs.com>
12277 PR middle-end/25930
12278 * cgraphunit.c (cgraph_output_in_order): Don't clear
12279 cgraph_asm_nodes until after asm strings have been output.
12281 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12283 * fix-header.c (read_scan_file): Add new parameter imultilib when
12284 calling register_include_chains.
12286 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12288 * omp-low.c: Update documentation.
12290 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12291 Daniel Berlin <dberlin@dberlin.org>
12295 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12296 return from the function.
12298 2006-01-22 Zack Weinberg <zackw@panix.com>
12300 * rtl.def (match_code): Add second argument.
12301 * genpreds.c (write_extract_subexp): New function.
12302 (write_match_code): Add path argument. Use write_extract_subexp.
12303 (write_predicate_expr): Pass path to write_match_code.
12304 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12305 not perform a mode test.
12306 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12307 a subexpression does not constrain the top-level code set.
12308 * read-rtl.c (read_rtx_variadic): New function.
12309 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12310 * doc/md.texi: Document new notation.
12311 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12312 (cmpsi_operand): ... here, using new notation.
12314 2006-01-22 Zack Weinberg <zackw@panix.com>
12316 * varray.c: Remove GENERATOR_FILE #ifdefs.
12318 2006-01-22 Zack Weinberg <zackw@panix.com>
12320 * genautomata.c (output_reserved_units_table): Emit nothing if
12321 description->query_units_num is zero. Remove extra blank line.
12322 (output_cpu_unit_reservation_p): Short circuit
12323 if description->query_units_num is zero.
12325 2006-01-22 Zack Weinberg <zackw@panix.com>
12327 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12328 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12329 nor any of the random handful of variables that used to be necessary
12330 when this program was linked with rtlanal.o. Prune set of forward
12331 function declarations.
12332 (struct attr_desc): Remove static_p field.
12333 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12334 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12335 (attr_string): Do not read the character one past the length of
12337 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12338 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12339 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12340 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12341 (make_automaton_attrs): New.
12342 (main): Do not call into genautomata. Call local gen_bypass
12343 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12344 Remove special case for insn_alts.
12345 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12346 varray.h (leftover from previous change). Prune set of forward
12347 function declarations. Remove state_alts fields from all
12348 structures. Remove state_alts_table from struct automaton.
12349 Make everything except main static. Do not maintain num_dfa_decls.
12350 Do not maintain state_alts fields of various structures.
12351 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12352 (add_arc): Remove state_alts argument. All callers updated.
12353 (output_reserved_units_table): Emit #ifdef here...
12354 (output_tables): ...not here. Don't generate state_alts tables.
12355 (expand_automata): Don't generate attributes.
12356 (write_automata): Don't generate state_alts functions.
12357 (main): New function.
12358 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12359 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12360 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12361 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12362 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12363 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12364 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12365 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12367 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12368 * genattrtab.h: Delete file.
12369 * Makefile.in (OBJS-common): Add insn-automata.o.
12370 (insn-automata.o): New rule.
12371 (simple_generated_c): Add insn-automata.c.
12372 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12373 (genprogmd): Add automata.
12374 (build/genattrtab): Needs no extra objects nor libraries.
12375 (build/genautomata): Needs build/vec.o and -lm.
12377 2006-01-22 Zack Weinberg <zackw@panix.com>
12379 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12380 (output_dfa_max_issue_rate, locked_states_num): Delete.
12381 (struct automaton): Add locked_states field.
12382 (output_dead_lock_vect): Save number of locked states in
12383 automaton->locked_states. If it is zero, don't print anything.
12384 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12385 (output_internal_dead_lock_func): Only test the dead_lock_vect
12386 for automata that have locked states.
12387 (output_statistics): Always print the number of locked states for
12388 each automaton. Calculate total number of locked states here.
12389 (write_automata): Don't call output_dfa_max_issue_rate.
12390 * genattrtab.c: Define length_unit_log as a const variable.
12391 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12392 max_insn_queue_index const.
12393 * final.c (length_unit_log): Declare const.
12394 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12396 2006-01-22 Zack Weinberg <zackw@panix.com>
12398 * genautomata.c: Include vec.h, not varray.h.
12399 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12400 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12401 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12402 VEC_* macros operating on appropriately typed vectors, or to
12403 malloced arrays when the size is known in advance. Const-ify
12404 many char* variables and function arguments. No functional changes.
12405 * Makefile.in (build/varray.o): Delete rule.
12406 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12407 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12409 2006-01-22 Zack Weinberg <zackw@panix.com>
12411 * gensupport.c: Define get_insn_name and record_insn_name here.
12412 (read_md_rtx): Call record_insn_name as appropriate.
12413 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12414 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12415 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12417 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12418 (BUILD_VARRAY): Delete.
12419 (genprognormal): Rename genprogmd. Fold in all programs from
12420 genprognoprint; also attrtab.
12421 (build/genattrtab): Just mention genautomata.o and varray.o.
12422 Reorganize a bit, add comments to make the categories clearer.
12424 2006-01-22 Zack Weinberg <zackw@panix.com>
12426 * genconditions.c (condition_table, add_condition): Delete.
12427 (write_conditions): Don't emit n_insn_conditions nor
12428 insn_elision_unavailable. Issue the gcc version #ifdef here,
12429 inside the table, with no #else clause ...
12430 (write_header): ...not here.
12431 (write_writer): New function.
12432 (main): Don't initialize condition_table. Use add_c_test.
12434 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12435 files on the command line.
12436 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12437 Return -1 if there is no entry in the table, don't abort.
12438 (add_c_test, traverse_c_tests): New functions.
12439 * gensupport.h (insn_elision_unavailable, insn_conditions)
12440 (n_insn_conditions): Delete declarations.
12441 (add_c_test, traverse_c_tests): Declare.
12442 * read-rtl.c: Include gensupport.h.
12443 (read_conditions): New function.
12444 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12445 (read_rtx_1): If we get EOF when we were looking for an initial
12446 open paren, return 0. Call read_conditions when appropriate.
12447 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12448 dummy-conditions.o. Eliminate references to insn-conditions.o,
12449 or change them to build/gencondmd.o, as appropriate. Remove
12450 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12451 from $(simple_generated_c). For all files remaining in those
12452 two lists, add insn-conditions.md to the generator command line.
12453 Give insn-constants.h/s-constants their own rules. Add rules
12454 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12455 (build/read-rtl.o): Depend on gensupport.h.
12456 (genprognormal): Include preds.
12457 (genprogearly): Rename genprognoprint; only difference is now that
12458 they don't link with $(BUILD_PRINT).
12459 * dummy-conditions.c: Delete.
12461 2006-01-22 Zack Weinberg <zackw@panix.com>
12463 * genextract.c: Don't include insn-config.h. Do include vec.h.
12464 Declare vectors of int, char, and locstr.
12465 (locstr): New typedef.
12466 (struct extraction): Make all array fields into bare pointers.
12467 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12468 (insn_code_number): Delete.
12469 (accum_extract): New struct.
12470 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12471 (gen_insn): Take insn_code_number as an argument. Use an
12472 accum_extract structure instead of loading data directly into
12473 a struct extraction, and having to know how big it might get.
12474 (walk_rtx): Operate entirely on an accum_extract structure.
12475 (print_path): Avoid unnecessary use of printf.
12476 (print_header): New function, split out of main. Distinguish
12477 more carefully between an unrecognizable insn and an insn that
12478 has the code number of a define_expand.
12479 (main): Pass insn_code_number to gen_insn. Call print_header
12480 only after parsing. Avoid unnecessary use of printf.
12481 * Makefile.in (build/vec.o): New rule.
12482 (build/genextract): Depend on build/vec.o.
12483 (build/genextract.o): Don't depend on insn-config.h.
12485 2006-01-22 Zack Weinberg <zackw@panix.com>
12487 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12488 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12489 practical. Eliminate per-generator-program link rules.
12491 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12493 PR middle-end/24437
12494 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12495 with a call expr to ...
12496 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12498 2006-01-23 Richard Guenther <rguenther@suse.de>
12500 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12501 before make_edge with conditional EDGE_TRUE_VALUE.
12503 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12504 Jan Hubicka <jh@suse.cz>
12505 Richard Guenther <rguenther@suse.de>
12507 PR rtl-optimization/25654
12508 * cfgexpand.c (aggregate_contains_union_type): New function.
12509 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12510 for structure variables that contain a union type.
12512 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12514 * gengtype.c (new_structure): Return the structure.
12515 (create_option): Add an extra "next" argument.
12516 (create_field): New function.
12517 (adjust_field_rtx_def): Use create_option and create_field.
12518 Remove a now-unnecessary call to find_structure.
12519 (adjust_field_tree_def): Likewise.
12520 (note_yacc_type): Remove an unnecessary call to find_structure.
12521 * gengtype.h (new_structure): Return the structure.
12522 (create_option): Add an extra argument.
12523 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12524 (option): Adjust calls to create_option.
12526 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12528 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12530 2006-01-22 Paul Brook <paul@codesourcery.com>
12531 Peter Barada <peter@the-baradas.com>
12533 * config/m68k/m68k.md: Add Coldfire FPU support.
12534 Define FP mode macro and associated attributes.
12535 Use it for float mode patterns.
12536 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12537 (LIBCALL_VALUE): Use m68k_libcall_value.
12538 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12539 (m68k_function_value): Ditto.
12540 (emit_move_sequence): Ditto.
12541 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12542 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12543 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12544 (MULTILIB_EXCEPTIONS): Ditto.
12545 * config/m68k/m68k.opt: Add mcfv4e.
12546 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12547 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12548 (m68k_output_function_prologue): Save ColdFire FPU registers.
12549 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12550 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12551 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12552 ColdFire FPU registers.
12553 (m68k_libcall_value, m68k_function_value): New functions.
12554 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12555 (LIBCALL_VALUE): Use m68k_libcall_value.
12556 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12557 (MASK_COLDFIRE): Add MASK_CFV4E.
12558 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12559 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12560 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12561 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12562 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12563 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12564 * doc/invoke.tex: Document -mcfv4e on m68k.
12566 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12568 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12571 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12574 * c-opts.c (c_common_handle_option): Don't include
12575 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12576 * doc/invoke.texi (C++ Dialect Options): Document that
12577 -Wnon-virtual-dtor is no longer included in -Wall.
12579 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12581 * gcov.c (print_version), gcov-dump.c (print_version),
12582 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12585 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12587 * df-scan.c (problem_SCAN): Added NULL reset function.
12588 (df_scan_reset_blocks): Added code to call reset block function
12589 (df_bb_refs_delete) Fixed comment.
12590 (df_insn_refs_delete): Made tolerant of deleting non existent info
12591 for dataflow problems that need to be reset.
12592 * df-core.c (df_set_blocks): Ditto.
12593 * df.h (struct df_problem): Added reset_fun.
12594 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12595 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12596 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12597 functions to clear out all references to def-use or use-def chains.
12599 2006-01-21 Ben Elliston <bje@au.ibm.com>
12601 * varasm.c (assemble_real): Initialise data array.
12603 2006-01-20 Paul Brook <paul@codesourcery.com>
12605 Merge from csl-arm-branch.
12606 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12607 * config/arm/arm.md (movdi): Force operands[1] to a register
12608 if we have a non-register source.
12609 (*arm_movdi, *movdf_soft_insn): Require that one of the
12610 operands be a register.
12611 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12612 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12614 2006-01-20 DJ Delorie <dj@redhat.com>
12616 * varasm.c (initializer_constant_valid_p): Allow pointers
12617 initialized from integer constants of lesser precision.
12618 (output_constant): Allow non-int-sized pointer modes to be
12619 initialized from integer constants.
12621 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12624 * cppdefault.h (struct default_include): Add multilib flag.
12625 * cppdefault.c (cpp_include_defaults): Set it.
12626 * c.opt (-imultilib): New option.
12627 * c-opts.c (imultilib): New.
12628 (c_common_handle_option): Handle -imultilib.
12629 (c_common_post_options): Likewise.
12630 * c-incpath.c (add_standard_paths, register_include_chains):
12632 * c-incpath.h (register_include_chains): Add extra parameter.
12633 * gcc.c (do_spec_1): Generate -imultilib option.
12634 (The Specs Language): Update %I description.
12635 (process_command): Update copyright notice.
12636 * doc/cppopts.texi (-imultilib): Document.
12637 * doc/invoke.texi (-imultilib): Include in option summary.
12638 (%I): Update specs documentation.
12640 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12642 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12644 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12646 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12649 2006-01-20 Richard Guenther <rguenther@suse.de>
12650 Steven Bosscher <stevenb.gcc@gmail.com>
12652 PR rtl-optimization/24626
12653 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12654 EDGE_TRUE_VALUE if in RTL mode.
12657 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12658 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12660 2006-01-20 Dirk Mueller <dmueller@suse.com>
12663 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12664 instead of a special NOP marker.
12665 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12666 NOP marker handling.
12667 * c-common.h (empty_body_warning): Add forward declaration.
12668 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12669 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12671 2006-01-20 Paul Brook <paul@codesourcery.com>
12673 * Makefile.in (lang_checks): Keep going if mkdir fails.
12675 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12677 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12678 be able to clean out basic block when not necessary.
12679 (df_scan_free): Fixed to properly delete information if df is
12680 unused before calling df_finish.
12681 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12682 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12684 (df_bb_refs_delete): New function.
12685 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12686 * df-core.c (df_set_blocks): Added code to properly clean out
12687 unused blocks if they are not part of the blocks to consider.
12688 Added additional null check.
12689 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12690 be able to clean out basic block when not necessary
12691 * df.h (df_free_bb_function): Ditto.
12692 (df_bb_refs_delete): New function.
12693 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12694 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12695 basic block parameter to be able to clean out basic block when not
12697 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12698 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12699 Fixed to properly delete information if df is unused before
12702 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12704 PR rtl-optimization/25799
12705 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12706 Corrected confluence operator to remove bits from op2 before oring
12707 with op1 rather than removing bits from op1.
12708 (df_ru_transfer_function): Corrected test on wrong bitmap which
12709 caused infinite loop. Both of these problems were introduced in
12710 the dataflow rewrite.
12712 2006-01-19 DJ Delorie <dj@redhat.com>
12714 * reload1.c (find_reload_regs): Note the details of reload
12715 failures in the dump file.
12716 (spill_failure): Likewise.
12718 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12720 * loop-iv.c: Include df.h and hashtab.h.
12721 (enum iv_grd_result): New enum.
12722 (DF_REF_IV, DF_REF_IV_SET): New macros.
12723 (struct biv_entry): New.
12724 (df, bivs): New global variables.
12725 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12726 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12728 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12729 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12730 analyzed_for_bivness_p, record_biv): New functions.
12731 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12732 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12733 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12735 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12737 (iv_number_of_iterations): Use new interface to iv analysis.
12738 * loop-unroll.c: Do not include varray.h.
12739 (analyze_iv_to_split_insn): Use new interface to iv
12741 * loop-unswitch.c (may_unswitch_on): Ditto.
12742 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12744 (df_bb_modify): Realloc tables to the new index.
12745 (df_find_use): New function.
12746 * df.h (df_find_use): Declare.
12747 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12749 * cfgloop.h (struct rtx_iv): Remove analysed field.
12750 (iv_get_reaching_def): Removed.
12751 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12752 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12753 (loop-iv.o): Add df.h and hashtab.h dependency.
12754 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12756 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12759 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12761 (__floatundisf, __floatundidf): Likewise.
12762 * libgcc2.h (IS_IBM_EXTENDED): Define.
12764 2006-01-19 DJ Delorie <dj@redhat.com>
12766 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12768 2006-01-19 Paul Brook <paul@codesourcery.com>
12770 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12771 as nothrow when unwinding tables are disabled.
12773 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12776 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12777 of bit-field" when in system header.
12779 2006-01-19 DJ Delorie <dj@redhat.com>
12781 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12782 the 16 bit shift limit of the m16c.
12784 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12787 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12788 * config/i386/i386.c (output_set_got): Output the label if we have one
12789 for the TARGET_DEEP_BRANCH_PREDICTION case.
12791 2006-01-19 Jan Hubicka <jh@suse.cz>
12792 H.J. Lu <hongjiu.lu@intel.com>
12793 Evandro Menezes <evandro.menezes@amd.com>
12795 * invoke.texi (generic): Document
12797 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12798 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12799 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12800 (x86_use_incdec, x86_pad_returns): New variables
12801 (TARGET_CPU_DEFAULT_generic): New constant
12802 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12803 (enum processor_type): Add generic32 and generic64.
12804 * i386.md (cpu attribute): Add generic32/generic64
12805 (movhi splitter): Behave sanely when both partial_reg_dependency and
12806 partial_reg_stall are set.
12807 (K8 splitters): Enable for generic as well.
12808 * predicates.md (incdec_operand): Use TARGET_INCDEC
12809 (aligned_operand): Avoid memory mismatch stalls.
12810 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12811 * ppro.md: Enable for generic32
12812 * i386.c (generic64_cost, generic32_cost): New.
12813 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12814 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12815 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12816 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12817 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12818 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12819 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12820 x86_accumulate_outgoing_args, x86_prologue_using_move,
12821 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12822 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12823 Enable for generic.
12824 (x86_use_incdec, x86_pad_returns): New.
12825 (override_options): Add generic32 and generic64, translate "generic"
12826 to generic32/generic64 and "i686" to "generic32", refuse
12827 "generic32"/"generic64" as arch target.
12828 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12829 (ix86_reorg): Honor PAD_RETURNS.
12831 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12833 * tree-pretty-print.c (dump_generic_node): Handle
12834 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12835 * cgraph.c (cgraph_expand_queue): Rename from
12836 cgraph_analyze_queue. Update all users.
12837 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12838 cgraph_expand_queue.
12839 (cgraph_expand_all_functions): Likewise.
12840 (cgraph_finalize_pending_functions): Remove. Update callers.
12842 * tree.h (OMP_DIRECTIVE_P): Define.
12843 (OMP_PARALLEL_FN): Define.
12844 (OMP_PARALLEL_DATA_ARG): Define.
12845 (OMP_SECTIONS_SECTIONS): Define.
12846 * tree-pass.h (pass_expand_omp): Declare.
12847 * omp-low.c (struct omp_region): Declare.
12848 (struct omp_context): Remove fields 'parallel_type',
12849 'parallel_start_ix' and 'parallel_start_additional_args'.
12851 (struct omp_for_data): Rename from struct expand_omp_for_data.
12852 (omp_regions): New static variable.
12853 (root_omp_region): New static variable.
12854 (find_omp_clause): Make static.
12855 (is_in_combined_parallel_ctx): Remove.
12856 (is_combined_parallel): New.
12857 (extract_omp_for_data): Move earlier in the file.
12858 (workshare_safe_to_combine_p): New.
12859 (get_ws_args_for): New.
12860 (determine_parallel_type): Move earlier in the file.
12861 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12863 (omp_copy_decl): Likewise.
12864 (create_omp_child_function): Likewise.
12865 (lookup_omp_region): New.
12866 (dump_omp_region): New.
12867 (debug_omp_region): New.
12868 (debug_all_omp_regions): New.
12869 (new_omp_region): New.
12870 (scan_omp_parallel): If parallel_nesting_level > 1, the
12871 directive is nested within another parallel directive.
12872 Set OMP_PARALLEL_FN.
12873 (scan_omp_for): Do not try to handle combined parallel+for
12875 Remove FIXME comment.
12876 (scan_omp_nested): Remove.
12877 (scan_omp_1): Do not call scan_omp_nested when
12878 parallel_nesting_level is > 1.
12879 Do not change the DECL_CONTEXT of local variables found.
12880 (lookup_decl_in_outer_ctx): New.
12881 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12882 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12883 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12884 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12885 If CTX is nested, lookup VAR in the outer context when
12886 building copy assignment.
12887 (lower_send_clauses): Rename from expand_send_clauses.
12888 If CTX is nested, lookup VAR in the outer context when
12889 building copy assignments.
12890 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12891 If CTX is nested, lookup VAR in the outer context when
12892 building copy assignments.
12893 (expand_parallel_call): Rename from build_parallel_call.
12894 Handle combined parallel+workshare cases.
12895 Re-implement to emit code into the CFG.
12897 (expand_omp_parallel): Re-implement to emit code into the CFG.
12898 Call move_sese_region_to_fn to outline the sub-graph
12899 containing the parallel region.
12900 (expand_omp_for_1): Remove.
12901 (expand_omp_for_generic): Re-implement to emit code into the
12903 (expand_omp_for_static_nochunk): Likewise.
12904 (expand_omp_for_static_chunk): Likewise.
12905 (expand_omp_for): Likewise.
12906 (expand_omp_sections): Likewise.
12907 (remove_exit_barriers): New.
12908 (expand_omp_synch): New.
12910 (build_omp_regions_1): New.
12911 (build_omp_regions): New.
12912 (execute_expand_omp): New.
12913 (gate_expand_omp): New.
12914 (pass_expand_omp): Define.
12915 (lower_omp_sections): Rename from expand_omp_sections.
12916 Set OMP_SECTIONS_SECTIONS.
12917 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12918 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12919 (lower_omp_single): Rename from expand_omp_simple.
12920 (lower_omp_master): Rename from expand_omp_master.
12921 (lower_omp_ordered): Rename from expand_omp_ordered.
12922 (lower_omp_critical): Rename from expand_omp_critical.
12923 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12924 (lower_omp_for): Re-implement.
12925 (lower_omp_parallel): Re-implement.
12926 (lower_regimplify): Rename from expand_regimplify.
12927 (lower_omp_1): Rename from expand_omp_1.
12928 If there are syntax errors in the program, replace every
12929 OpenMP directive with NOP.
12930 Call lower_omp_* instead of expand_omp_*.
12931 (lower_omp): Rename from expand_omp.
12933 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12934 * tree-gimple.h (enum omp_parallel_type): Remove.
12935 (gimple_boolify): Declare extern.
12936 (find_omp_clause, determine_parallel_type): Remove.
12938 * gimple-low.c (lower_omp_directive): New.
12939 (lower_stmt): Call it.
12940 (record_vars_into): Move from ...
12941 (record_vars): ... here.
12942 Call record_vars_into with current_function_decl.
12944 * gimplify.c (struct gimplify_ctx): Remove fields
12945 combined_pre_p and combined_ctxp. Update users.
12946 (get_formal_tmp_var): Add documentation.
12947 (gimple_boolify): Make extern.
12948 (gimplify_expr_in_ctx): Remove. Update callers.
12949 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12950 will always be a BIND_EXPR.
12951 (gimplify_expr): Handle OMP_RETURN_EXPR.
12952 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12953 (OMP_PARALLEL): Add 3 operands.
12954 (OMP_SECTIONS): Add 1 operand.
12955 (OMP_RETURN_EXPR): Define.
12957 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12958 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12959 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12960 creating a circular free list.
12961 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12963 * tree-flow.h (move_sese_region_to_fn): Declare.
12964 (record_vars_into): Declare.
12965 * tree-cfg.c (make_omp_sections_edges): New.
12966 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12967 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12968 OMP_SECTIONS and OMP_SECTION.
12969 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12970 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12971 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12972 (gather_blocks_in_sese_region): New.
12973 (struct move_stmt_d): Declare.
12974 (move_stmt_r): New.
12975 (move_block_to_fn): New.
12976 (move_sese_region_to_fn): New.
12978 * passes.c (init_optimization_passes): Schedule
12979 pass_expand_omp after pass_init_datastructures.
12981 * tree-ssa-operands.c (get_expr_operands): Handle
12982 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12983 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12985 2006-01-19 Jeff Law <law@redhat.com>
12987 * tree-vrp.c (extract_range_from_assert): Refine the result range
12988 if the variable referenced by the ASSERT_EXPR has a range and
12989 either the tentative result range or the previous range is a
12992 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12994 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12996 2006-01-19 Jan Hubicka <jh@suse.cz>
12998 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13000 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13002 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13003 (expand_compound_operation, expand_field_assignment): Fail if the
13004 bit lengths of an extract operation are out of range.
13005 (make_extraction): Compute wanted_inner_mode based on the position
13006 and length of the extraction. Make it extraction_mode for non-constant
13007 positions, and do not modify offset in that case. When generating a
13008 new MEM, use a mode that can hold the extraction while keeping correct
13009 alignment. Remove code that supported MEMs wrapped by USEs.
13010 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13012 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13014 * config/s390/s390.md ("Y", "y"): New mode attribute.
13015 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13016 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13017 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13018 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13019 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13020 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13021 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13022 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13023 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13024 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13025 "addsi3", "subsi3"): Insn patterns removed.
13026 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13027 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13028 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13029 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13030 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13031 "*sub<mode>3_cconly2"): New insn patterns.
13032 ("addsi3", "subsi3"): New expanders.
13034 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13036 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13037 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13038 existing STMT_VINFO_VECTYPE if available.
13039 (vect_mark_relevant): Add special handling for stmts that are
13040 marked as STMT_VINFO_IN_PATTERN_P.
13041 (vect_analyze_loop): Call vect_pattern_recog.
13042 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13043 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13045 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13046 (vect_recog_func_ptr): New function-pointer type.
13047 * tree-vect-patterns.c: New file.
13048 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13049 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13050 (vect_pattern_recog_1): New functions.
13051 (vect_pattern_recog_funcs): New array of function pointers.
13053 * tree-vectorizer.h (ternary_op): New enum value.
13054 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13055 declaration. Revised documentation. Removed redundant dump prints.
13056 Removed redundant argument. Added support for reduction patterns.
13057 (vectorizable_reduction): Added support for reduction patterns.
13058 (vect_transform_stmt): Added support for patterns.
13060 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13061 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13062 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13063 (expand_widen_pattern_expr): New function.
13064 (init_optabs): Initialize new optabs udot_prod_optab,
13066 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13067 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13068 (expand_widen_pattern_expr): New function declaration.
13069 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13071 * tree-inline.c (estimate_num_insns_1): Added cases for new
13072 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13073 * tree-pretty-print.c (dump_generic_node): Likewise.
13074 (op_prio): Likewise.
13075 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13076 * tree-ssa-operands.c (get_expr_operands): Added case for
13078 * tree-vect-patterns.c (widened_name_p): New function.
13079 (vect_recog_dot_prod_pattern): Added function implementation.
13080 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13081 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13082 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13083 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13085 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13086 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13087 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13088 (init_optabs): Initialize new optabs widen_ssum_optab,
13090 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13091 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13092 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13093 use instead of type of def.
13094 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13095 function implementation.
13096 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13097 widen_ssumv8hi): New.
13099 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13102 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13105 * c-decl.c (add_flexible_array_elts_to_size): New function.
13106 (finish_decl): Use it.
13108 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13110 * diagnostic.h: Include options.h.
13111 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13112 dependancies for diagnostic.h.
13113 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13115 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13117 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13118 (ssa_ro_call_cache_valid): Ditto.
13119 * tree-ssa-alias.c (sort_tags_by_id): New function.
13120 (init_transitive_clobber_worklist): Ditto.
13121 (add_to_worklist): Ditto.
13122 (mark_aliases_call_clobbered): Ditto.
13123 (compute_tag_properties): Ditto.
13124 (set_initial_properties): Ditto.
13125 (compute_call_clobbered): Ditto.
13126 (compute_may_aliases): Call compute_call_clobbered and grouping.
13127 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13128 (compute_flow_insensitive_aliasing): Grouping now happens in our
13130 (setup_pointers_and_addressables): Remove clobbering related code.
13131 (add_may_alias): Ditto.
13132 (replace_may_alias): Ditto.
13133 (get_nmt_for): Ditto.
13134 (create_global_var):
13135 (is_escape_site): Return an escape_type enumeration.
13136 * tree-flow-inline.h (is_call_clobbered): Global var does not
13137 imply call clobbered.
13138 (mark_call_clobbered): Take a reason for marking this. Remove
13139 marking of globalness, and cache invalidation.
13140 (clear_call_clobbered): Remove cache invalidation code.
13141 * tree-dfa.c (dump_variable): If details is on, dump the reason
13143 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13145 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13146 (struct var_ann_d): Ditto.
13147 (enum escape_type): New.
13148 (mark_call_clobbered): Adjust prototype.
13149 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13150 are never call clobbered.
13151 Record reasons for escaping.
13152 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13153 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13154 (ssa_ro_call_cache_valid): Ditto.
13155 (clobbered_v_may_defs): Ditto.
13156 (clobbered_vuses): Ditto.
13157 (ro_call_vuses): Ditto.
13158 (clobber_stats): New.
13159 (init_ssa_operands): Zero out clobber stats.
13160 (fini_ssa_operands): Print out clobber stats.
13161 (get_call_expr_operands): Pass callee fndecl to
13162 add_call_read_ops).
13163 (add_call_clobber_ops): Remove use of cache.
13164 Add use of PURE_CONST information.
13165 (add_call_read_ops): Remove use of cache.
13166 Add use of static not_read information.
13168 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13170 Introduce TLS descriptors for i386 and x86_64.
13171 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13172 (TARGET_ANY_GNU_TLS): New macro.
13173 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13174 (struct machine_function): Add tls_descriptor_call_expanded_p.
13175 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13176 (ix86_current_function_calls_tls_descriptor): Likewise.
13177 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13178 (override_options): Introduce gnu2 tls dialect.
13179 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13181 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13183 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13184 (ix86_init_machine_status): Initialize new field.
13185 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13186 (ix86_tls_module_base): New.
13187 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13188 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13189 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13190 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13191 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13192 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13193 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13194 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13195 * config/i386/predicates.md (tls_modbase_operand): New.
13196 (tp_or_register_operand): New.
13198 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13200 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13201 (look_for_address_of): Ditto.
13202 (ipa_init): Walk the function decls.
13203 (static_execute): Don't set readonly on FUNCTION_DECL's.
13205 2006-01-18 Roger Sayle <roger@eyesopen.com>
13207 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13208 for shifts where the source and destination registers are different.
13210 2006-01-18 Paul Brook <paul@codesourcery.com>
13212 Merge from csl-arm-branch.
13213 2005-03-14 Julian Brown <julian@codesourcery.com>
13214 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13215 (aeabi_llsl): Likewise.
13216 (ashrdi3): Likewise.
13217 (aeabi_lasr): Likewise.
13218 (lshrdi3): Likewise.
13219 (aeabi_llsr): Likewise.
13220 2005-03-10 Julian Brown <julian@codesourcery.com>
13221 * config.gcc: Disable shared libgcc for SymbianOS.
13222 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13224 2006-01-18 DJ Delorie <dj@redhat.com>
13226 * c-pragma.c (handle_pragma_diagnostic): New.
13227 (init_pragma): Register it.
13228 * doc/extend.texi: Document it.
13230 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13231 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13232 (diagnostic_context): Add classify_diagnostic[].
13233 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13234 as errors if they're overridden to DK_WARNING.
13235 (diagnostic_initialize): Initialize classify_diagnostic[].
13236 (diagnostic_set_kind_override): New.
13237 (diagnostic_report_diagnostic): Check for kind changes.
13238 * opts.c (common_handle_option): Take lang_mask. Update callers.
13239 Handle OPT_Werror_.
13240 * common.opt (Werror=): New.
13241 * doc/invoke.texi: Document -Werror=*
13243 2006-01-18 Jeff Law <law@redhat.com>
13245 * tree-vrp.c (test_for_singularity): Correct test for new
13246 min limit. Use operand_equal_p rather than pointer equality
13247 for testing if new min/max values are equal.
13249 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13250 using range information until after propagation and folding.
13252 2006-01-18 Richard Henderson <rth@redhat.com>
13253 Aldy Hernandez <aldyh@redhat.com>
13254 Jakub Jelinek <jakub@redhat.com>
13255 Diego Novillo <dnovillo@redhat.com>
13257 * omp-low.c: New file.
13258 * c-omp.c: New file.
13260 2006-01-18 Richard Henderson <rth@redhat.com>
13261 Jakub Jelinek <jakub@redhat.com>
13262 Diego Novillo <dnovillo@redhat.com>
13264 * doc/invoke.texi: Document -fopenmp.
13265 * tree-dump.h (debug_function): Declare.
13266 * hooks.c (hook_bool_tree_bool_false): New function.
13267 (hook_tree_tree_null): Remove.
13268 (hook_tree_tree_tree_null): New.
13269 * hooks.h: Update to match.
13270 * tree-pretty-print.c (debug_tree_chain): New.
13271 (print_generic_expr): Handle TDF_CHAIN.
13272 (dump_generic_node): Handle BLOCK.
13273 Do not abort with incomplete SWITCH_EXPRs.
13274 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13275 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13276 print space after directive name.
13277 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13278 Handle OMP_MASTER and OMP_ORDERED.
13279 Handle printing of OMP_BODY just in one place, goto
13280 dump_omp_body in the rest of OMP_* nodes that have
13282 Don't handle clause nodes here. Update omp statements to
13283 use dump_omp_clauses.
13284 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13285 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13286 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13287 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13288 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13289 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13290 Adjust output for GOMP_PARALLEL.
13291 (dump_omp_clauses): New.
13292 (print_declaration): Dump DECL_VALUE_EXPR.
13293 (op_symbol_1): Split out of op_symbol.
13294 (dumping_stmts): Remove. Update all users.
13295 * cgraph.c (cgraph_analyze_queue): New.
13296 (cgraph_add_new_function): New.
13297 * cgraph.h (cgraph_analyze_queue): Declare.
13298 (cgraph_add_new_function): Declare.
13299 (cgraph_lower_function): Remove.
13300 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13301 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13302 and TYPE_P nodes in its default clause.
13303 (empty_body_p): New.
13304 (tree_range_check_failed): New.
13305 (build5_stat): New.
13306 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13307 OMP_CLAUSE_REDUCTION_MERGE,
13308 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13309 OMP_CLAUSE_PRIVATE_DEBUG,
13310 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13311 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13312 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13313 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13314 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13315 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13316 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13317 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13318 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13319 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13320 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13321 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13322 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13323 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13324 (TREE_RANGE_CHECK): New.
13325 (empty_body_p): Declare.
13326 (enum omp_clause_default_kind): New.
13327 (build_string_literal): Declare.
13328 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13329 (build5_stat, build5): Declare.
13330 * tree-pass.h (TDF_CHAIN): Define.
13331 * tree-pass.h (PROP_gimple_lomp): Define.
13332 (pass_lower_omp): Declare.
13333 * diagnostic.h (debug_tree_chain): Declare.
13334 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13336 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13337 * builtins.c (build_string_literal): Make extern.
13338 * gcc.c (include_spec_function): New.
13339 (static_spec_functions): Add it.
13340 (main): Move load of libgomp.spec ...
13341 (LINK_COMMAND_SPEC): ... here.
13342 (link_gomp_spec): New.
13343 (static_specs): Include it.
13344 (LINK_COMMAND_SPEC): Add link_gomp.
13345 (GOMP_SELF_SPECS): New.
13346 (driver_self_specs): Include it.
13347 (switch_matches): Don't mark inline.
13348 (main): Load libgomp.spec.
13349 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13350 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13351 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13352 * tree-gimple.h (enum omp_parallel): Declare.
13353 (determine_parallel_type): Declare.
13354 (omp_firstprivatize_variable): Declare.
13355 (omp_reduction_init): Declare.
13356 (diagnose_omp_structured_block_errors): Declare.
13357 (struct walk_stmt_info): Add want_return_expr.
13358 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13359 (find_omp_clause): Declare.
13360 (insert_field_into_struct): Declare.
13361 (struct walk_stmt_info): Move from tree-nested.c
13362 (walk_stmts): Declare.
13363 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13365 * cgraphunit.c (cgraph_lower_function): Make static.
13366 (cgraph_finalize_pending_functions): New.
13367 (cgraph_finalize_function): Call it.
13368 (cgraph_finalize_compilation_unit): Likewise.
13369 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13370 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13371 (BT_FN_UINT_UINT): New.
13372 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13373 DEF_FUNCTION_TYPE_VAR_4): Document.
13374 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13375 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13376 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13377 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13378 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13379 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13380 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13381 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13382 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13383 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13384 into separate files.
13385 (DEF_GOMP_BUILTIN): New.
13386 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13387 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13388 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13389 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13390 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13391 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13392 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13393 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13394 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13395 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13396 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13397 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13398 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13399 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13400 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13401 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13402 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13403 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13404 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13405 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13406 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13407 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13408 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13409 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13410 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13411 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13412 * sync-builtins.def: New file, moved from builtins.def.
13413 * omp-builtins.def: New file, moved from builtins.def.
13414 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13415 * gimple-low.c (lower_function_body): Clear data.
13416 (lower_stmt): Do not handle COMPOUND_EXPR.
13417 Remove call to print_node_brief.
13418 * c-tree.h (c_finish_omp_clauses): New prototype.
13419 (C_DECL_THREADPRIVATE_P): Define.
13420 (lookup_name_no_remap, c_omp_remap_private): Remove
13421 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13422 (check_for_loop_decls): Update decl.
13423 (lookup_name_no_remap, c_omp_remap_private): Declare.
13424 (build_indirect_ref, build_modify_expr, pushdecl,
13425 pushdecl_top_level): Move to c-common.h.
13426 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13427 before the switch, but just in the 2 places that need it.
13428 * c-decl.c (diagnose_mismatched_decls): Do not check for
13429 mismatched thread-local attributes when OLDDECL is marked
13430 threadprivate and NEWDECL has no thread-local attributes.
13431 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13432 (c_gimple_diagnostics_recursively): Rename from
13433 c_warn_unused_result_recursively. Invoke
13434 diagnose_omp_structured_block_errors.
13435 (check_for_loop_decls): Return a singular decl found.
13436 * langhooks.c (lhd_omp_predetermined_sharing): Return
13437 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13438 (lhd_omp_firstprivatize_type_sizes): New.
13439 (lhd_omp_assignment): New.
13440 (lhd_omp_predetermined_sharing): New.
13441 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13442 (struct lang_hooks_for_types): Add
13443 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13444 omp_predetermined_sharing, omp_disregard_value_expr,
13445 omp_private_debug_clause, omp_clause_default_ctor,
13446 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13447 (c_finish_omp_clauses): New.
13448 (c_finish_bc_stmt): Diagnose break within omp for.
13449 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13450 (build_unary_op): Return error_mark after reporting
13452 (build_modify_expr): Likewise.
13453 * gimplify.c: Include optabs.h and pointer-set.h.
13454 (enum gimplify_omp_var_data): Declare.
13455 (struct gimplify_omp_ctx): Declare.
13456 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13458 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13459 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13460 (splay_tree_compare_decl_uid): New.
13461 (new_omp_context): New.
13462 (delete_omp_context): New.
13463 (gimple_add_tmp_var): Call omp_add_variable.
13464 (gimplify_bind_expr): Likewise.
13465 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13466 true, disregard DECL_VALUE_EXPR on the decl if any.
13467 (gimplify_expr_in_ctx): New.
13468 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13469 omp_add_variable, omp_notice_variable, omp_is_private
13470 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13471 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13472 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13473 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13474 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13475 gimplify_omp_atomic): New.
13476 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13477 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13478 OMP_CRITICAL and OMP_ATOMIC.
13479 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13480 * c-pragma.h (enum pragma_kind): Add
13481 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13482 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13483 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13484 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13485 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13486 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13487 PRAGMA_OMP_THREADPRIVATE.
13488 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13489 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13490 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13491 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13492 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13493 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13494 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13495 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13496 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13497 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13498 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13499 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13500 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13502 (struct nesting_info): Add field_map,
13503 suppress_expansion, debug_var_chain.
13504 (create_nesting_tree): Initialize them.
13505 (lookup_field_for_decl): Use field_map.
13506 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13507 (convert_local_omp_clauses): New.
13508 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13509 (walk_body): Split out of walk_function.
13510 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13511 (convert_nonlocal_reference): Handle omp statements.
13512 (convert_local_reference): Likewise.
13513 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13514 (unnest_nesting_tree): New.
13515 (lower_nested_functions): Call it.
13516 (insert_field_into_struct): Make extern.
13517 (struct walk_stmt_info): Move to tree-gimple.h.
13518 (walk_stmts): Make extern.
13519 * omp-builtins.def: New file.
13520 * tree-iterator.c (expr_only): Clarify comment.
13521 * c-common.h (pushdecl_top_level, pushdecl,
13522 build_modify_expr, build_indirect_ref,
13523 c_finish_omp_master, c_finish_omp_critical,
13524 c_finish_omp_ordered, c_finish_omp_barrier,
13525 c_finish_omp_atomic, c_finish_omp_flush,
13526 c_finish_omp_for, c_split_parallel_clauses,
13527 omp_clause_default_kind, c_omp_sharing_predetermined,
13528 c_omp_remap_decl): Declare.
13529 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13530 (OBJS-common): Add omp-low.o.
13531 (c-omp.o, omp-low.o): Add.
13532 (gimplify.o): Add dependency on $(OPTABS_H).
13533 (GTFILES): Add omp-low.c.
13534 (gt-stringpool.h): Add.
13535 * tree-cfg.c (set_bb_for_stmt): Do not update the
13536 block-to-labels map if we are currently expanding to RTL.
13537 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13539 Handle IDENTIFIER_NODE.
13540 (tree_verify_flow_info): Do not ICE when emitting error
13541 messages about invalid labels.
13542 (dump_function_to_file): Reset CFUN before emitting the body
13544 (debug_function): New.
13545 * passes.c (init_optimization_passes): Schedule
13547 * langhooks-def.h (lhd_omp_predetermined_sharing,
13548 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13550 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13551 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13552 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13553 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13554 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13555 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13556 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13557 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13558 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13559 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13560 (LANG_HOOK_DECLS): Use them.
13562 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13563 Richard Henderson <rth@redhat.com>
13564 Jakub Jelinek <jakub@redhat.com>
13565 Diego Novillo <dnovillo@redhat.com>
13567 * c-parser.c (pragma_omp_clause): Define.
13568 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13569 (c_parser_compound_statement): Likewise.
13570 (c_parser_statement): Likewise.
13571 (c_parser_pragma): Handle omp pragmas.
13572 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13573 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13574 (c_parser_omp_clause_name, check_no_duplicate_clause,
13575 c_parser_omp_variable_list,
13576 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13577 c_parser_omp_clause_copyprivate,
13578 c_parser_omp_clause_default,
13579 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13580 c_parser_omp_clause_lastprivate,
13581 c_parser_omp_clause_nowait,
13582 c_parser_omp_clause_num_threads,
13583 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13584 c_parser_omp_clause_reduction,
13585 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13586 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13587 c_parser_omp_atomic, c_parser_omp_barrier,
13588 c_parser_omp_critical, c_parser_omp_flush,
13589 c_parser_omp_for_loop, c_parser_omp_for,
13590 c_parser_omp_master, c_parser_omp_ordered,
13591 c_parser_omp_sections_scope, c_parser_omp_sections,
13592 c_parser_omp_parallel, c_parser_omp_single,
13593 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13594 * c-pragma.c (init_pragma): Do omp pragma registration here.
13595 * c.opt (fopenmp): New flag.
13597 2006-01-18 Eric Christopher <echristo@apple.com>
13599 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13600 * config/darwin.h (GOMP_SELF_SPECS): Define.
13602 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13604 * rtl.h: Remove the prototype for reg_alloc.
13606 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13609 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13610 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13611 sjlj and dwarf2 exception handling.
13612 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13613 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13614 * pa/pa.c (function_value): Treat complex and vector types as
13616 (function_arg): Likewise. Only pass scalar floats in the floating
13617 point argument registers.
13618 * pa/t-slibgcc-dwarf-ver: New file.
13619 * pa/t-slibgcc-sjlj-ver: New file.
13620 * pa/t-slibgcc-elf-ver: Delete file.
13622 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13624 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13625 unlikely_test_section_p test.
13627 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13629 * mode-switching.c (optimize_mode_switching): Make it static.
13630 * basic-block.h: Remove the prototype for
13631 optimize_mode_switching.
13633 * modulo-sched.c (sms_schedule): Make it static.
13634 * rtl.h: Remove the prototype for sms_schedule.
13636 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13637 * rtl.h: Remove the prototype for gcse_after_reload_main.
13639 * reg-stack.c (reg_to_stack): Make it static.
13640 * rtl.h: Remove the prototype for reg_to_stack.
13642 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13644 * rtl.h: Remove the prototypes for regrename_optimize and
13645 copyprop_hardreg_forward.
13647 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13649 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13650 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13651 Test against the appropriate null constant for the mode.
13652 If 'fixup_overlap' is true, swap the operands if they overlap.
13653 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13654 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13655 alpha_split_tmode_pair and adjust for above change.
13656 * config/alpha/alpha.md (movtf_internal): Adjust call to
13657 alpha_split_tfmode_pair and rely on it to swap the operands.
13658 (movti_internal): New insn and post-reload splitter.
13659 (movti): New expander.
13661 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13663 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13666 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13668 * rtlanal.c (global_reg_mentioned_p_1,
13669 global_reg_mentioned_p): Remove.
13670 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13672 * flow.c (initialize_uninitialized_subregs): Make it static.
13673 * rtl.h: Remove the prototype for
13674 initialize_uninitialized_subregs.
13676 * function.c (instantiate_virtual_regs): Make it static.
13677 * function.h: Remove the prototype for
13678 instantiate_virtual_regs.
13680 * regmove.c (regmove_optimize, combine_stack_adjustments):
13682 * rtl.h: Remove the prototypes for regmove_optimize and
13683 combine_stack_adjustments.
13685 2006-01-17 Roger Sayle <roger@eyesopen.com>
13687 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13688 (size_cost): Encode costs in bytes so that a reg-reg addition is
13689 equivalent to COSTS_N_INSNS(1).
13690 (override_options): Use the size_cost.branch_cost as the default
13691 ix86_branch_cost when optimizing for size.
13693 2006-01-18 Ben Elliston <bje@au.ibm.com>
13695 * Makefile.in (D32PBIT_FUNCS): New.
13696 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13697 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13698 D64PBIT_FUNCS and D128PBIT_FUNCS.
13699 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13700 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13702 (decnumber_dep): Define.
13703 * doc/libgcc.texi (Decimal float library routines): New node.
13704 * config/dfp-bit.h, config/dfp-bit.c: New files.
13706 2006-01-18 Ben Elliston <bje@au.ibm.com>
13708 * expr.c (emit_move_change_mode): Always adjust addresses, not
13709 just during reload. Copy replacements only during reload.
13710 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13711 emit_move_via_integer.
13713 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13715 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13716 instead of $(srcdir) and ${srcdir}.
13718 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13721 PR middle-end/11135
13722 * arm.h (struct machine_function): Add pic_reg.
13723 * arm.c (arm_pic_register): Make unsigned.
13724 (arm_override_options): Only set arm_pic_register if
13725 TARGET_SINGLE_PIC_BASE.
13726 (use_return_insn): Only test for a pic register if it is fixed.
13727 (arm_compute_save_reg0_reg12_mask): Likewise.
13728 (thumb_compute_save_reg_mask): Likewise.
13729 (legitimate_pic_operand): Factor out some known invariants.
13730 (legitimize_pic_address): If we don't have a fixed pic register,
13731 then set up a pseudo in the function entry sequence. Handle the
13732 pic base being in a pseudo.
13733 (arm_load_pic_register): Handle the pic register being in a pseudo.
13734 (arm_expand_prologue): Only set up the pic register if it is fixed.
13735 (thumb_expand_prologue): Likewise.
13736 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13737 (pic_load_addr_based_insn): Likewise.
13738 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13741 2006-01-18 Ben Elliston <bje@au.ibm.com>
13743 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13744 decimal float modes for all floating point registers.
13746 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13747 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13749 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13752 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13753 even when the pointer is not NULL.
13755 2006-01-16 Ian Lance Taylor <ian@airs.com>
13757 * common.opt (ftoplevel-reorder): New option.
13758 * cgraph.c (cgraph_asm_nodes): New global variable.
13759 (cgraph_asm_last_node): New static variable.
13760 (cgraph_order): New global variable.
13761 (cgraph_create_node): Set new order field.
13762 (cgraph_varpool_node): Likewise.
13763 (decide_is_variable_needed): Return true if not
13764 flag_toplevel_reorder.
13765 (cgraph_add_asm_node): New function.
13766 * cgraph.h (struct cgraph_node): Add order field.
13767 (struct cgraph_varpool_node): Add order field.
13768 (struct cgraph_asm_node): Define.
13769 (cgraph_asm_nodes, cgraph_order): Declare.
13770 (cgraph_add_asm_node): Declare.
13771 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13773 (cgraph_varpool_assemble_pending_decls): Call it.
13774 (cgraph_output_pending_asms): New static function.
13775 (cgraph_finalize_compilation_unit): Call it.
13776 (struct cgraph_order_sort): Define.
13777 (cgraph_output_in_order): New static function.
13778 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13779 !flag_toplevel_reorder case.
13780 * c-parser.c: Include "cgraph.h".
13781 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13783 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13784 than -fno-unit-at-a-time.
13785 * doc/invoke.texi (Option Summary): Mention
13786 -fno-toplevel-reorder.
13787 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13788 -funit-at-a-time documentation.
13790 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13791 Kazu Hirata <kazu@codesourcery.com>
13793 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13795 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13797 * Makefile.in (FUNCTION_H): New. Use it instead of
13798 function.h throughout the file.
13799 * function.h: Include tree.h.
13801 2006-01-17 Ben Elliston <bje@au.ibm.com>
13803 * recog.c: Separate some functions with whitespace.
13805 2006-01-16 Richard Henderson <rth@redhat.com>
13807 Merge from gomp branch:
13808 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13809 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13810 and rename from struct inline_data. Rename callee* to dst*;
13811 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13812 transform_new_cfg, transform_return_to_modify, and
13813 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13815 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13816 (copy_decl_for_dup): Remove.
13817 * tree-inline.c (struct inline_data): Move to header.
13818 (insert_decl_map): Export.
13819 (remap_decl): Update for member name changes. Use copy_decl hook.
13820 Allow for replacement to be a non-decl. Remove dead code.
13821 (remap_type_1): Check for existing mapping.
13822 (remap_type): Export.
13823 (remap_decls): Update for member name changes.
13824 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13825 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13826 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13827 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13828 (tree_function_versioning, build_duplicate_type): Likewise.
13829 (copy_body_r): Likewise. Export.
13830 (copy_decl_for_dup): Split into ...
13831 (copy_decl_for_dup_finish, copy_decl_to_var,
13832 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13833 (replace_ref_tree, inlining_p): Remove.
13835 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13837 * ifcvt.c (if_convert): Make it static.
13838 * rtl.h: Remove the prototype for if_convert.
13840 * local-alloc.c (local_alloc): Make it static.
13841 * rtl.h: Remove the prototype for local_alloc.
13843 * loop.c (loop_optimize): Make it static.
13844 * cfgloop.h: Remove the prototype for loop_optimize.
13847 2006-01-16 DJ Delorie <dj@redhat.com>
13849 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13852 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13854 * pa.md: Disparage copies between general and floating-point registers
13855 in 32-bit move patterns.
13857 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13860 * Makefile.in (check-%): Depend on site.exp instead of
13861 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13864 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13866 * global.c (global_alloc): Make it static.
13867 * rtl.h: Remove the prototype for global_alloc.
13869 2006-01-16 Richard Guenther <rguenther@suse.de>
13871 * tree-ssa-alias.c (struct used_part): Add write_only field.
13872 (get_or_create_used_part_for): Initialize it to true.
13873 (create_overlap_variables_for): Don't create structure variables
13874 for structures that only are written to.
13875 (find_used_portions): Handle MODIFY_EXPR to track whether a
13876 structure is only written to.
13878 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13880 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13882 * basic-block.h: Remove the prototype for
13883 partition_hot_cold_basic_blocks.
13885 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13887 * cppspec.c (lang_specific_spec_functions): Remove.
13888 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13889 * gcc.h (lang_specific_spec_functions): Remove.
13890 * gccspec.c (lang_specific_spec_functions): Remove.
13892 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13894 * combine.c (record_value_for_reg): Invalidate registers
13896 (record_dead_and_set_regs_1): Likewise, by passing them to
13897 record_value_for_reg.
13898 (record_dead_and_set_regs): Invalidate stores made by a
13899 call. We do not combine across a call, but we still
13900 relied on equivalences.
13902 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13904 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13905 vrp_int_const_binop returning non-constant nodes.
13907 2006-01-16 Paul Brook <paul@codesourcery.com>
13909 * config/m68k/m68k.c (output_move_const_into_data_reg):
13910 Output correct mnemonic for mvz and mvs.
13912 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13914 * rtl-factoring.c: Add sequence abstraction algorithm.
13915 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13916 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13918 (block_has_preserve_label): New function.
13919 * common.opt: Register new pass.
13920 * Makefile.in: Ditto.
13922 * timevar.def: Ditto.
13923 * tree-pass.h: Ditto.
13924 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13925 * rtl.h (make_jump_insn_raw): Add forward decl.
13926 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13928 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13929 Roger Sayle <roger@eyesopen.com>
13931 * fold-const.c (fold_minmax): New static function.
13932 (fold_binary) <MIN_EXPR>: Call it.
13933 <MAX_EXPR>: Likewise.
13934 * stor-layout.c (place_field): Use DECL_SIZE consistently
13935 in the computation of the new record size.
13937 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13939 * cse.c (cse_condition_code_reg): Make it static.
13940 * rtl.h: Remove the prototype for cse_condition_code_reg.
13942 * combine.c (combine_instructions): Make it static.
13943 * rtl.h: Remove the prototype for combine_instructions.
13945 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13948 * tree.c (get_file_function_name_long): Concatenate the first global
13949 object name with a string derived from the input filename of the object
13952 2006-01-16 Ben Elliston <bje@au.ibm.com>
13954 * config/i386/winnt-stubs.c: Update FSF address.
13955 * config/xtensa/ieee754-df.S: Ditto.
13956 * config/xtensa/ieee754-sf.S: Ditto.
13958 2006-01-14 Ian Lance Taylor <ian@airs.com>
13960 * ifcvt.c (noce_init_if_info): New static function, broken out of
13961 noce_process_if_block.
13962 (noce_process_if_block): Call noce_init_if_info.
13963 (check_cond_move_block): New static function.
13964 (cond_move_process_if_block): New static function.
13965 (process_if_block): Call cond_move_process_if_block.
13967 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13969 * cselib.c (hash_table): Rename to cselib_hash_table.
13970 (cselib_clear_table, discard_useless_values,
13971 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13972 cselib_init, cselib_finish): Adjust uses of hash_table.
13974 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13976 PR tree-optimization/25485
13977 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13978 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13979 is known to be false and true, respectively.
13981 2006-01-14 Richard Guenther <rguenther@suse.de>
13983 PR tree-optimization/22548
13984 PR tree-optimization/22555
13985 PR tree-optimization/22501
13986 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13987 * params.def (salias-max-array-elements): New parameter.
13988 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13989 * doc/invoke.texi (salias-max-array-elements): Document.
13990 * tree-flow-inline.h (var_can_have_subvars): We also handle
13992 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13994 * tree-ssa-structalias.c (params.h): Include.
13995 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13996 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13997 (get_constraint_for): For ADDR_EXPR operating on something
13998 containing an ARRAY_REF, add all subvars to the solution.
13999 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14000 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14001 for creating MUST_DEFs.
14002 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14004 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14006 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14008 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14009 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14010 number_of_iterations_le): New functions.
14011 (number_of_iterations_special): Removed.
14012 (number_of_iterations_exit): Do not use number_of_iterations_special.
14013 * tree.c (unsigned_type_for): Always return integer type.
14015 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14016 Richard Guenther <rguenther@suse.de>
14018 PR rtl-optimization/24257
14019 * gcse.c (find_moveable_store): Only consider a store movable
14020 when the SET_SRC of the insn can be assigned to a register.
14022 2006-01-14 Ian Lance Taylor <ian@airs.com>
14024 * tree.c (tree_not_class_check_failed): New function.
14025 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14026 (tree_not_class_check_failed): Declare.
14028 2006-01-13 Ian Lance Taylor <ian@airs.com>
14030 * reload1.c (do_output_reload): Add assertion rejecting a
14033 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14035 * combine.c (struct reg_stat): Add new fields truncation_label and
14037 (record_value_for_reg): Reset truncated_to_mode.
14038 (record_truncated_value): New function.
14039 (check_promoted_subreg): Call it. Rename to check_conversions.
14040 (combine_instructions): Rename check_promoted_subreg to
14042 (reg_truncated_to_mode): New function.
14043 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14044 (gen_lowpart_or_truncate): New function.
14045 (force_to_mode): Use it instead of gen_lowpart.
14047 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14049 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14050 VAR is a tag, not its type tag.
14052 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14054 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14055 alternatives to match style of other entries.
14056 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14058 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14060 PR tree-optimization/25771
14061 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14064 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14067 * tree-inline.c (declare_return_variable): If the return variable
14068 was marked as a non gimple complex, set the return slot variable
14069 to be a non gimple comple variable.
14071 2006-01-13 Richard Guenther <rguenther@suse.de>
14073 * builtins.c (expand_builtin_sincos): New function.
14074 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14076 (expand_builtin): Expand sincos using expand_builtin_sincos.
14078 2006-01-12 DJ Delorie <dj@redhat.com>
14080 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14081 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14082 so that constant shifts can be split.
14083 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14084 (m32c_valid_pointer_mode): Make static.
14085 (shift_gen_func_for): New.
14086 (m32c_prepare_shift): Use it. Split large const shifts into
14088 * config/m32c/predicates.md (shiftcount_operand): Allow more
14090 (longshiftcount_operand): New.
14091 * doc/md.texi (Machine Constraints): Document In6.
14093 2006-01-13 Ben Elliston <bje@au.ibm.com>
14095 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14096 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14099 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14101 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14102 to try to avoid clobbering pieces of structures when we know
14103 something about the whole structure.
14104 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14106 2006-01-13 Ben Elliston <bje@au.ibm.com>
14108 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14109 return in memory, as this is no limitation is no longer present.
14111 2006-01-12 DJ Delorie <dj@redhat.com>
14113 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14114 mova with fb, and for fb+0 -> An.
14116 * config/m32c/mov.md (peephole2): Fix enabling logic.
14118 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14119 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14120 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14121 FINI_ARRAY_SECTION_ASM_OP): Define.
14123 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14125 (m32c_legitimize_reload_address): New logic to reload FB to An.
14126 (m32c_output_reg_push): Add newline.
14127 (m32c_output_reg_pop): Likewise.
14129 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14131 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14133 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14135 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14137 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14139 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14142 2006-01-11 Ben Elliston <bje@au.ibm.com>
14144 * rtlanal.c (find_reg_note): Assert insn is not null.
14146 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14148 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14151 2006-01-11 Jeff Law <law@redhat.com>
14153 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14155 (mark_threaded_blocks, register_jump_thread): New functions.
14156 (thread_through_all_blocks): Remove unwanted argument. No
14157 longer rely on e->aux to communicate thread target info.
14158 Call mark_threaded_blocks. Release the threaded_blocks
14159 bitmap and threaded_edges vector when complete.
14160 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14161 (threaded_blocks): Remove.
14162 (tree_ssa_dominator_optimize): Remove initialization and
14163 finalization of threaded_blocks. Simplify call to
14164 thread_through_all_blocks.
14165 (thread_across_edge): Call register_jump_thread rather than
14166 storing thread information into e->aux.
14167 (free_all_edge_infos): Simplify now that e->aux is no longer
14168 used to communicate with thread_through_all_blocks.
14169 * tree-flow.h (thread_through_all_blocks): Update prototype.
14170 (register_jump_thread): Prototype.
14172 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14174 * df-core.c (df_compact_blocks, df_bb_replace): Use
14175 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14177 2006-01-11 Richard Guenther <rguenther@suse.de>
14179 PR tree-optimization/25734
14180 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14181 stop propagation after successful propagation to the LHS.
14183 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14185 * basic-block.h (control_flow_graph): Change the type of
14186 x_basic_block_info to VEC(basic_block,gc) *.
14187 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14189 (SET_BASIC_BLOCK): New.
14190 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14191 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14192 * cfgbuild.c (find_basic_blocks): Likewise.
14193 * cfglayout.c (fixup_reorder_chain): Likewise.
14194 * cfgrtl.c (create_basic_block_structure,
14195 rtl_create_basic_block): Likewise.
14196 * ifcvt.c (find_if_case_1): Likewise.
14197 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14200 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14202 * Makefile.in: Removed rotted odf.c entry.
14204 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14207 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14208 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14209 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14210 output pattern modifier, not %e.
14211 * config/cris/cris.c (cris_op_str): Update comment about pattern
14213 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14214 before falling through into...
14215 <case 'E'>: Redefined from old 'e' case.
14217 2006-01-11 Jan Hubicka <jh@suse.cz>
14220 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14222 2006-01-11 Jan Hubicka <jh@suse.cz>
14224 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14225 * i386.c (x86_decompose_lea): Kill.
14226 (ix86_rtx_costs): Kill.
14228 2006-01-11 Jan Hubicka <jh@suse.cz>
14230 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14231 * cgraph.h (cgraph_node): Add inline_decl.
14232 (cgraph_insert_node_to_hashtable): Declare.
14233 (save_inline_function_body): Declare.
14234 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14236 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14237 (cgraph_function_versioning): Update call of tree_function_versioning.
14238 (save_inline_function_body): New function.
14239 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14240 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14241 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14242 (cgraph_default_inline_p): Likewise.
14243 (cgraph_decide_inlining_incrementally): Likewise.
14244 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14245 (copy_bb): Kill saving; do updating of clones.
14246 (copy_cfg_body): Kill saving.
14247 (initialize_inlined-parameters): Likewise.
14248 (expand_call_inline): Likewise.
14250 (tree_function_versioning): New parameter "update_clones".
14251 (inlining_p): Kill saving.
14252 * tree-inline.h (tree_function_versioning): Update prototype.
14253 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14256 2006-01-11 Ian Lance Taylor <ian@airs.com>
14258 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14259 Allow undoing set of machine mode.
14260 (do_SUBST): Use enums instead of is_int.
14261 (do_SUBST_MODE): New function.
14262 (SUBST_MODE): New macro.
14263 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14264 reg and trying to replace reg_regno_rtx with a new register.
14265 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14266 (simplify_set): Use SUBST_MODE.
14267 (distribute_notes): Remove code that tried to update reg notes
14268 for regno_reg_rtx changes.
14270 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14272 PR tree-optimization/23109
14273 PR tree-optimization/23948
14274 PR tree-optimization/24123
14276 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14277 * tree-cfg.c (single_noncomplex_succ): New.
14278 * tree-flow.h (single_noncomplex_succ): Declare it.
14279 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14280 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14281 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14282 insert_bb, register_division_in, insert_reciprocals,
14283 replace_reciprocal, free_bb): New.
14284 (execute_cse_reciprocals_1): Rewritten.
14285 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14286 Do not commit any edge insertion. Always compute dominators and
14287 create the allocation pool.
14288 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14289 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14290 * targhooks.c (default_min_divistions_for_recip_mul): New.
14291 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14292 * passes.c (init_optimization_passes): Run recip after tree loop
14294 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14296 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14297 Kenneth Zadeck <zadeck@naturalbridge.com>
14299 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14300 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14301 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14302 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14303 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14304 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14305 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14306 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14307 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14308 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14309 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14310 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14311 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14312 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14313 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14314 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14315 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14316 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14317 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14318 DF_SCAN_POST_ALLOC): New macros.
14319 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14320 df_free_bb_function, df_local_compute_function, df_init_function,
14321 df_dataflow_function, df_confluence_function_0,
14322 df_confluence_function_n, df_transfer_function,
14323 df_finalizer_function, df_free_function, df_dump_problem_function,
14324 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14325 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14326 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14327 df_urec_bb_info, ) New types.
14328 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14330 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14331 df_analyze_simple_change_some_blocks,
14332 df_analyze_simple_change_one_block, df_compact_blocks,
14333 df_bb_replace, df_bb_regno_last_use_find,
14334 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14335 df_insn_regno_def_p, df_find_def, df_find_use,
14336 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14337 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14338 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14339 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14340 debug_df_chain, df_get_dependent_problem, df_chain_create,
14341 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14342 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14343 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14344 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14345 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14346 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14347 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14348 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14349 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14350 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14351 df_reorganize_refs, df_set_state, df_hard_reg_init,
14352 df_read_modify_subreg_p) New public functions.
14353 * df-core.c: The core dataflow solver and glue routines for rtl
14355 (df_init, df_add_problem, df_set_blocks, df_finish,
14356 df_hybrid_search_forward, df_hybrid_search_backward,
14357 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14358 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14359 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14360 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14361 df_reg_defined, df_find_use, df_reg_used, df_dump,
14362 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14363 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14364 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14365 debug_df_useno, reset_df_after_reload): New functions.
14366 * df-scan.c: The scanning fuctions, once in df.c, completely
14367 rewritten so that they now fully model the functionality of
14368 register usage at the backend.
14369 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14370 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14371 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14372 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14373 df_get_artificial_defs, df_get_artificial_uses,
14374 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14375 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14376 df_refs_delete, df_reorganize_refs, df_set_state,
14377 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14378 df_def_record_1, df_defs_record, df_uses_record,
14379 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14380 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14381 df_record_exit_block_uses, df_hard_reg_init): New functions.
14383 * df-problems.c: Seven concrete dataflow problems that use the
14384 scanning in df-scan.c and are solved by the engine in df-core.c.
14385 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14386 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14387 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14388 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14389 df_ru_free_bb_info, df_ru_alloc,
14390 df_ru_bb_local_compute_process_def,
14391 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14392 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14393 df_ru_transfer_function, df_ru_free, df_ru_dump,
14394 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14395 df_rd_free_bb_info, df_rd_alloc,
14396 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14397 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14398 df_rd_transfer_function, df_rd_free, df_rd_dump,
14399 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14400 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14401 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14402 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14403 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14404 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14405 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14406 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14407 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14408 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14409 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14410 df_urec_mark_reg_use_for_earlyclobber,
14411 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14412 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14413 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14414 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14415 df_chain_create_bb_process_use, df_chain_create_bb,
14416 df_chain_finalize, df_chain_free, df_chains_dump,
14417 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14418 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14419 df_reg_lifetime): New functions.
14420 * df.c: Deleted file.
14421 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14422 consistent with new df api.
14423 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14424 rest_of_handle_sms): Ditto.
14425 * web.c (unionfind_union, union_defs, entry_register, web_main):
14427 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14428 invariant_expr_equal_p, find_defs, check_dependencies,
14429 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14430 free_inv_motion_data, move_loop_invariants): Ditto.
14431 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14432 Update dependencies.
14433 (odf.c): Added defective entry that was deleted later in day.
14434 * sched-deps.c (sched_analyze_1): Ditto.
14436 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14438 * tree-ssa-operands.c (get_expr_operands): Record addressable
14439 variables directly. Do not call add_stmt_operands for CONST_DECLs
14441 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14442 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14444 2006-01-11 Ben Elliston <bje@au.ibm.com>
14446 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14447 function returns true in the positive case.
14449 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14452 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14453 for SI, DI, SF and DF modes. Add alternatives to copy between
14454 general and floating point registers to the 32-bit patterns.
14455 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14456 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14457 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14458 generating 64-bit code.
14459 * config/pa/pa.c (output_move_double): Handle copies between general
14460 and floating registers.
14462 2006-01-10 Stuart Hastings <stuart@apple.com>
14464 * config/i386/i386.md (set_got): Update.
14465 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14466 (builtin_setjmp_receiver): Mach-O support.
14467 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14468 (GOT_SYMBOL_NAME): Define.
14469 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14470 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14471 * config/i386/i386.c (override_options): Revise for Darwin.
14472 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14473 support. (darwin_x86_file_end): New. (output_set_got): Add label
14474 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14475 * config/i386/i386-protos.h (output_set_got): Likewise.
14476 * config/darwin.c (machopic_legitimize_pic_address): Update
14479 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14481 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14482 when MODE isn't BLKmode.
14484 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14486 PR rtl-optimization/25367
14487 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14489 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14492 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14493 for a negative bound.
14495 2006-01-10 Richard Guenther <rguenther@suse.de>
14497 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14498 Never override with anything constraint.
14500 2006-01-10 Jan Beulich <jbeulich@novell.com>
14502 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14503 256 bits when optimize_size.
14505 2006-01-10 Jan Beulich <jbeulich@novell.com>
14507 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14509 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14510 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14513 2006-01-10 Ben Elliston <bje@au.ibm.com>
14515 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14517 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14518 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14519 (USE_FP_FOR_ARG): Reject decimal float modes.
14520 (function_arg_advance): Likewise.
14521 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14522 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14523 point types in AltiVec vectors.
14524 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14525 (rs6000_libcall_value): Likewise.
14527 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14529 * config/xtensa/ieee754-df.S: New file.
14530 * config/xtensa/ieee754-sf.S: New file.
14531 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14532 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14533 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14535 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14537 * config/sh/predicates.md (binary_float_operator,
14538 binary_logical_operator, commutative_float_operator,
14539 equality_comparison_operator, greater_comparison_operator,
14540 less_comparison_operator, logical_operator,
14541 noncommutative_float_operator, shift_operator,
14542 symbol_ref_operand, unary_float_operator): Remove redundant
14545 2006-01-09 Jeff Law <law@redhat.com>
14547 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14548 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14549 now unused arguments. Callers updated.
14550 (eliminate_redundant_computations): Remove now unused arguments,
14552 (local_fold): Remove, no longer used.
14553 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14555 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14556 (simplify_cond): New function.
14557 (forward_propagate_into_cond): Call simplify_cond.
14559 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14561 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14562 (*vec_extractv2di_1_sse): New.
14564 2006-01-09 Ben Elliston <bje@au.ibm.com>
14566 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14568 2006-01-08 Richard Guenther <rguenther@suse.de>
14570 * tree-ssa-structalias.c (get_constraint_for): Remove
14571 anyoffset argument.
14572 (get_constraint_for_component_ref): Likewise.
14573 (do_deref): Likewise.
14574 (get_constraint_for): Likewise.
14575 (do_structure_copy): Likewise.
14576 (handle_ptr_arith): Likewise.
14577 (find_func_aliases): Likewise. Remove unused need_anyoffset
14580 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14581 Kaz Kojima <kkojima@gcc.gnu.org>
14583 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14584 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14585 (EXTRA_CONSTRAINT_C16): Remove.
14586 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14587 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14588 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14589 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14590 constants of SHmedia. Handle nested constant expressions of
14592 (andcosts): Fix the costs for SHmedia constants.
14593 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14594 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14595 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14596 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14597 (movv4hi_i, movv2si_i): Likewise.
14598 (movsi_const): Adjust the second operand of ior so to match with
14599 the Csu constraint.
14600 (movdi_const, movdi_const_32bit): Likewise.
14601 (movdi_const_16bit+1): Don't sign-extend LOW.
14602 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14604 (*double_shori): Fix the split condition. Use GEN_INT instead
14605 of get_int_mode calls. Mask lower 16-bit of the argument of
14607 (sym2GOTPLT): Remove.
14608 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14610 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14611 instead of EXTRA_CONSTRAINT_C16.
14613 2006-01-07 Ian Lance Taylor <ian@airs.com>
14614 David Edelsohn <edelsohn@gnu.org>
14616 PR rtl-optimization/25662
14617 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14618 for constant operands instead of simplify_gen_binary.
14619 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14620 after trying simplify_binary_operation
14622 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14624 * tree.c (iterative_hash_expr): Hash decls based on UID.
14626 2006-01-06 Eric Christopher <echristo@apple.com>
14628 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14629 (TARGET_UNWIND_EMIT): Fix spelling.
14630 * target.h (gcc_target): Add except_table_label.
14631 * except.c (output_function_exception_table): Use.
14632 * varasm.c (default_emit_except_table_label): New.
14633 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14635 (asm_out): Add here.
14636 * output.h (default_emit_except_table_label): Prototype.
14637 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14638 * config/darwin.c (darwin_emit_except_table_label): Define.
14639 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14641 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14643 PR tree-optimization/18527
14644 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14645 number_of_iterations_special, number_of_iterations_exit):
14646 Move base and step of an iv to a single structure. Add
14647 no_overflow flag, and use it in # of iterations analysis.
14648 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14649 folded_casts argument.
14650 (simple_iv): Pass base and step in a structure. Set no_overflow
14652 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14653 Evaluate expensiveness of computing # of iterations instead of
14654 the final expression.
14655 * tree-scalar-evolution.h (affine_iv): New structure.
14656 (simple_iv): Declaration changed.
14657 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14658 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14659 find_givs_in_stmt): Changed due to simple_iv change.
14661 2006-01-06 Jeff Law <law@redhat.com>
14664 * tree-cfg.c (bsi_replace): Rename final argument from
14665 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14666 change (stmt -> orig_stmt).
14667 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14668 (bsi_remove): Add new argument. Remove EH information
14670 (verify_eh_throw_table_statements): New function.
14671 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14673 * tree-optimize.c (execute_free_cfg_annotations): Verify
14674 the EH throw statement table after removing annotations.
14675 * except.h (verify_eh_throw_table_statements): Prototype.
14676 * tree-flow.h (bsi_remove): Update prototype.
14677 * tree-vrp.c (remove_range_assertions): Add new argument to
14679 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14680 * tree-complex.c (expand_complex_div_wide): Likewise.
14681 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14682 * tree-tailcall.c (eliminate_tailcall): Likewise.
14683 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14684 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14685 * tree-nrv.c (tree_nrv): Likewise.
14686 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14687 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14688 (combine_blocks): Likewise.
14689 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14690 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14691 (cleanup_control_flow): Likewise.
14692 (remove_forwarder_block): Likewise.
14693 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14694 * tree-sra.c (sra_replace): Likewise.
14695 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14696 (forward_propagate_single_use_vars): Likewise.
14697 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14698 * tree-inline.c (expand_call_inline): Likewise.
14699 * tree-vect-transform.c (vect_transform_loop): Likewise.
14700 * tree-outof-ssa.c (rewrite_trees): Likewise.
14701 * tree-cfg.c (make_goto_expr_edges): Likewise.
14702 (cleanup_dead_labels): Likewise.
14703 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14704 (bsi_move_before, bsi_move_after): Likewise.
14705 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14706 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14708 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14711 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14713 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14714 on non gimple variables. Also add checks at the top for decls and
14716 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14718 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14719 and IMAGPART_EXPR for creating MUST_DEFs.
14720 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14721 and NAME_MEMORY_TAG separately from the DECLs.
14723 2006-01-06 Richard Guenther <rguenther@suse.de>
14725 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14726 annotation, if necessary.
14727 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14728 redundant calls to update_stmt.
14729 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14732 2006-01-05 Richard Henderson <rth@redhat.com>
14734 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14736 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14738 * c-typeck.c: Update copyright date.
14740 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14742 * c-typeck.c (build_c_cast): Always warn when casting
14743 from a pointer to an integer of different size, even if
14744 the node was constant.
14746 2006-01-05 Richard Guenther <rguenther@suse.de>
14748 PR tree-optimization/22555
14749 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14750 if one structure field is an array.
14751 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14752 operands even if we found a subvar, but ignore VOPs in this
14754 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14756 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14758 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14760 PR middle-end/24998
14761 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14763 2006-01-05 Richard Guenther <rguenther@suse.de>
14764 Diego Novillo <dnovillo@redhat.com>
14766 * tree-pass.h (TODO_remove_unused_locals): Define.
14767 * gimple-low.c (expand_var_p, remove_useless_vars,
14768 pass_remove_useless_vars): Remove. Update all users.
14769 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14770 (remove_unused_locals): New function.
14771 * tree-flow.h (remove_unused_locals): Declare.
14772 * passes.c (execute_todo): Call remove_unused_locals if
14773 TODO_remove_unused_locals is set.
14774 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14775 * tree-ssa-dce.c (pass_dce): Likewise.
14776 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14778 2006-01-05 Richard Guenther <rguenther@suse.de>
14780 * tree-flow.h (struct fieldoff): Decompose field to
14781 type, size and decl.
14782 * tree-ssa-alias.c (create_sft): Take type as parameter.
14783 (create_overlap_variables_for): Store type, size and decl
14784 in the fieldoff structure.
14785 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14786 of struct fieldoff.
14787 (push_fields_onto_fieldstack): Likewise.
14788 (create_variable_info_for): Likewise. Use offset for the
14789 SFT name if the decl is not available.
14791 2006-01-04 Paul Brook <paul@codesourcery.com>
14793 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14795 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14797 * lambda-code.c (can_put_in_inner_loop): Relax
14799 (can_put_after_inner_loop): New function.
14800 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14801 (perfect_nestify): Change to make copies and modify uses.
14803 2006-01-04 Richard Henderson <rth@redhat.com>
14805 Merge from gomp branch:
14806 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14807 via integer constant.
14808 (pragma_lex): Remove.
14809 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14810 rather than parsing it.
14811 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14812 handle_pragma_extern_prefix): Add %< %> quotes.
14813 (registered_pragmas): New.
14814 (c_register_pragma_1): New.
14815 (c_register_pragma): Use it.
14816 (c_register_pragma_with_expansion): Likewise.
14817 (c_invoke_pragma_handler): New.
14818 (init_pragma): Use cpp_register_deferred_pragma directly for
14820 * c-pragma.h (enum pragma_kind): New.
14821 (pragma_handler): New.
14822 (c_invoke_pragma_handler): Declare.
14823 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14825 * c-common.h (c_common_pch_pragma): Update decl.
14826 * Makefile.in (c-parser.o): Update dependencies.
14827 (GTFILES): Add c-pragma.h.
14828 * c-parser.c (struct c_token): Add pragma_kind.
14829 (struct c_parser): Add in_pragma.
14830 (c_lex_one_token): Always initialize keyword and pragma_kind.
14831 Extract data for CPP_PRAGMA.
14832 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14833 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14834 Don't allow CPP_PRAGMA_EOL if in_pragma.
14835 (c_parser_consume_pragma): New.
14836 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14837 (c_parser_skip_to_end_of_parameter): Likewise.
14838 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14839 (c_parser_skip_to_pragma_eol): New.
14840 (c_parser_external_declaration): Handle CPP_PRAGMA.
14841 (c_parser_compound_statement_nostart): Likewise.
14842 (c_parser_statement_after_labels): Likewise.
14843 (c_parser_pragma): New.
14844 (pragma_lex): Likewise.
14845 (c_parser_pragma_pch_preprocess): New.
14846 (c_parser_new): Merge into ...
14847 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14849 2006-01-04 Jeff Law <law@redhat.com>
14852 * tree-cfg.c (bsi_replace): Remove the original statement
14853 from the EH throw statement table.
14855 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14857 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14858 make the prototype extern "C" and add throw ().
14861 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14862 and pos non-negative and pos + len <= 32.
14863 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14864 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14865 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14868 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14869 as well as sizes not multiple of component size.
14872 * function.c (instantiate_expr): New function.
14873 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14874 walk its DECL_VALUE_EXPR with instantiate_expr.
14876 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14877 DW_OP_deref{,_size} if address isn't going to be added.
14879 2006-01-04 Ben Elliston <bje@au.ibm.com>
14881 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14882 * config/fp-bit.c: Likewise.
14884 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14886 * dominance.c: Add comment about why we use DFS numbering
14889 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14890 Richard Henderson <rth@redhat.com>
14892 Merge from gomp-branch:
14893 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14894 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14896 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14898 PR rtl-optimization/25578
14899 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14900 pass a parameter to simplify_shift_const if changing ASHIFTRT
14903 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14905 * builtins.c (get_builtin_sync_mem): New function.
14906 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14907 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14908 Call get_builtin_sync_mem to generate mem rtx.
14910 2006-01-03 Richard Guenther <rguenther@suse.de>
14913 * stmt.c (add_case_node): Make sure to clear overflow flags
14916 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14918 Merge from gomp-branch.
14919 * config/sparc/sync.md: New file.
14920 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14921 UNSPECV_LDSTUB): New constants.
14922 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14923 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14924 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14927 2006-01-03 Roger Sayle <roger@eyesopen.com>
14929 * combine.c (reg_subword_p): New predicate to test whether the
14930 destination of a set refers to a subword/piece of a register.
14931 (try_combine): Generalize the code to merge the setting of a
14932 pseudo to a constant followed by a set of a subword of that
14933 register to a constant.
14935 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14937 * basic-block.h (control_flow_graph): Change the type of
14938 x_label_to_block_map to VEC(basic_block,gc) *.
14939 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14940 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14942 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14943 VEC(basic_block,heap) *.
14944 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14945 ssa_prop_fini): Adjust the uses of cfg_blocks.
14947 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14949 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14951 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14952 hashing trees instead of a pointer hash.
14953 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14954 compare for MEM_EXPR.
14956 PR rtl-optimization/25130
14957 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14958 when comparing MEMs for GCSE
14960 2006-01-03 Ben Elliston <bje@au.ibm.com>
14962 * targhooks.h (default_decimal_float_supported_p): Declare.
14963 * targhooks.c (default_decimal_float_supported_p): Define.
14964 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14965 `default_decimal_float_supported_p'.
14966 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14968 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14970 * combine.c (apply_distributive_law <SUBREG>): Check
14971 TRULY_NOOP_TRUNCATION.
14973 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14975 * dwarf2out.c (have_switched_text_section): Delete.
14976 (have_multiple_function_sections): New.
14977 (have_location_lists): Make 'bool'.
14978 (add_AT_loc_list): Use 'true' not '1'.
14979 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14980 (output_loc_list): Use have_multiple_function_sections.
14981 (output_ranges): Likewise.
14982 (dwarf2out_begin_function): Set have_multiple_function_sections if
14984 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14985 Check function_section rather than DECL_SECTION_NAME.
14986 (dwarf2out_finish): Use have_multiple_function_sections.
14987 Don't clear have_location_lists.
14989 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14990 Jan Hubicka <jh@suse.cz>
14992 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14993 case of conditional jump jumping to the next instruction.
14994 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14995 cases of conditional jump jumping to the next instruction.
14997 2006-01-02 Jan Hubicka <jh@suse.cz>
14999 * i386.c (*_cost): Add COSTS_N_INSNS.
15000 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15002 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15005 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15007 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15009 * config/arm/arm.c (all_fpus): Fix comment typo.
15010 * config/darwin.c: Likewise.
15011 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15012 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15013 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15015 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15017 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15018 (rs6000_split_compare_and_swapqhi): New.
15019 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15020 (sync_compare_and_swapqhi_internal): New.
15021 * config/rs6000/rs6000-protos.h: Declare.