1 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
11 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
14 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
17 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
19 * basic_block.h (bb_has_eh_pred): Fix comment.
21 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
23 * flow.c (calculate_global_regs_live): Invalidate eh registers
24 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
25 (propagate_block): Handle eh registers as if they were set at basic
27 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
29 * global.c (global_conflicts): Make eh registers to conflict with
30 pseudos live at basic block begin.
31 * basic_block.h (bb_has_eh_pred): New function.
33 2006-09-13 Richard Sandiford <richard@codesourcery.com>
35 PR rtl-optimization/28982
36 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
37 index of a PRE_MODIFY or POST_MODIFY address.
38 * reload1.c (inc_for_reload): Use find_replacement on the original
39 base and index registers.
41 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
43 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
44 for -Os. Update __m128 alignment requirement.
46 2006-09-13 Jan Hubicka <jh@suse.cz>
48 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
50 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
52 PR rtl-optimization/28243
53 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
54 the insn to which the note was originally attached.
56 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
57 Roger Sayle <roger@eyesopen.com>
59 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
60 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
61 on platforms that don't use dwarf for debug info.
63 2006-09-12 Jason Merrill <jason@redhat.com>
66 * builtins.c (expand_builtin_setjmp_receiver): Clobber
67 hard_frame_pointer_rtx after using it to update the frame pointer.
69 2006-09-12 Roger Sayle <roger@eyesopen.com>
71 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
72 (TARGET_ASM_CLOSE_PAREN): Likewise.
73 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
74 (TARGET_ASM_CLOSE_PAREN): Likewise.
76 2006-09-12 Roger Sayle <roger@eyesopen.com>
79 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
80 frame information for frames larger than 512 Kbytes on Tru64 when
81 using the native assembler.
83 2006-09-12 Roger Sayle <roger@eyesopen.com>
87 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
88 and symbols. Instead use the implementation from cse.c's hash_rtx.
90 2006-09-12 Jan Hubicka <jh@suse.cz>
92 PR rtl-optimization/28071
93 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
94 (vect_transform_loop): Likewise.
95 * tree-vectorizer.c (new_loop_vec_info): Likewise.
96 (new_loop_vec_info): Likewise.
97 (destroy_loop_vec_info): Likewise.
98 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
99 (create_stmt_ann): Likewise.
100 (create_tree_ann): Rename to ...
101 (create_tree_common_ann): ... this one; allocate only the common part
103 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
104 (get_value_handle): Likewise.
105 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
107 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
108 (vinfo_for_stmt): Use stmt annotations.
109 * tree-flow.h (tree_ann_common_t): New type.
110 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
111 (tree_ann, get_tree_ann, create_tree_ann): New.
112 * tree-flow-inline.h (get_function_ann): Do more type checking.
113 (stmt_ann): Likewise.
114 (tree_ann): Rename to ...
115 (tree_common_ann): ... this one; return ony common_ann
116 (get_tree_ann): Rename to ...
117 (tree_common_ann): This one; return only common_ann.
118 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
121 2006-09-11 Geoffrey Keating <geoffk@apple.com>
123 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
126 * dwarf2out.c (dwarf_file_data): New.
127 (enum dw_val_class): Add dw_val_class_file.
128 (struct dw_val_struct): Add val_file.
129 (file_table): Change to a hash table.
130 (file_table_emitted): Delete.
131 (file_table_last_lookup_index): Delete.
133 (last_emitted_file): New.
134 (lookup_filename): Change prototype to return a struct dwarf_file_data.
135 (init_file_table): Delete.
136 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
137 (AT_addr): Add comment.
141 (print_die): Handle dw_val_class_file.
142 (print_dwarf_line_table): Update for new file table structure.
143 (attr_checksum): Do checksum a filename.
144 (same_dw_val_p, same_attr_p): Do compare a filename.
145 (size_of_die): Handle dw_val_class_file.
146 (value_format): Likewise.
147 (output_die): Likewise. Also, call maybe_emit_file here.
148 (struct file_info): Constify filenames. Make file_idx a pointer
149 to a struct dwarf_file_data.
150 (struct dir_info): Constify directory names. Remove 'used' field.
151 (struct file_name_acquire_data): New.
152 (file_name_acquire): New.
153 (output_file_names): Modify to handle new file data structures.
154 (add_src_coords_attributes): Use add_AT_file.
155 (add_call_src_coords_attributes): Likewise.
156 (dwarf2out_imported_module_or_decl): Likewise.
157 (gen_subprogram_die): Modify for new file data structures.
158 (gen_variable_die): Likewise.
159 (file_table_eq): New.
160 (file_table_hash): New.
161 (file_table_last_lookup): New.
162 (lookup_filename): Rewrite to handle new file data structures.
163 (maybe_emit_file): Rewrite to handle new file data structures.
164 (dwarf2out_source_line): Always call lookup_filename and
166 (dwarf2out_init): Create file_table here.
167 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
168 (file_table_relative_p): New.
169 (dwarf2out_finish): Change detection of relative filenames
170 to work with new file data structures. Move output_line_info call
171 after debug_info output.
173 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
178 * config/i386/i386.c (override_options): Always default to 16
181 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
184 * var-tracking.c (dump_dataflow_set): Start dumping at
186 (clobber_variable_part): Kill only the variable part in
187 registers holding it, leaving other variables alone.
189 2006-09-11 Josh Triplett <josh@freedesktop.org>
191 * doc/extend.texi (Other Builtins): Actually use the macro
192 argument in the documentation example for
193 __builtin_types_compatible_p.
195 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
197 PR rtl-optimization/28726
198 * sched-deps.c (sched_analyze_reg): New function extracted from...
199 (sched_analyze_1): ...here. Call it to analyze references to
200 registers. Treat again writes to a stack register as writing to the
202 (sched_analyze_2): ...and here. Call it to analyze references to
203 registers. Treat again reads of a stack register as reading the
206 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
207 David Edelsohn <edelsohn@gnu.org>
210 * config/rs6000/spe.md (frob_df_di): Remove %H.
211 (frob_di_df): Remove %H. Change evmergelo to mr.
212 (frob_di_df_2): Remove %H. Change evldd to two loads.
214 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
216 * doc/cpp.texi: Fix names of charset options.
218 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
221 * config/i386/i386.c (override_options): Use 128-bit
222 stack boundary always for 64bits.
224 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
226 PR rtl-optimization/28636
227 * combine.c (force_to_mode): Test for side-effects before
228 substituting by zero.
229 (simplify_shift_const): Likewise for zero or other constants.
231 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
234 * builtins.c (expand_builtin_setjmp): Force next_lab to be
237 2006-09-10 Richard Sandiford <richard@codesourcery.com>
240 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
241 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
242 returned by mode_for_size, rather than the mode of src itself,
243 to choose between 32-bit and 64-bit patterns.
244 (mips_mem_fits_mode_p): New function.
245 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
246 that the size of the source matches the size of the destination.
247 (mov_<store>l, mov_<store>r): Likewise.
249 2006-09-10 Eric Christopher <echristo@apple.com>
251 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
254 2006-09-09 Eric Christopher <echristo@apple.com>
257 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
260 2006-09-09 Roger Sayle <roger@eyesopen.com>
261 Nicolas Setton <setton@adacore.com>
263 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
265 2006-09-10 Andreas Schwab <schwab@suse.de>
267 * config/m68k/m68k.md (bungt_rev): New pattern.
269 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
270 Dale Johannesen <dalej@apple.com>
273 * regclass.c (struct reg_pref): Update documentation.
274 (regclass): Set prefclass to NO_REGS if memory is the best option.
275 (record_reg_classes): Cope with a prefclass set to NO_REGS.
277 2006-09-08 Eric Christopher <echristo@apple.com>
279 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
280 * config/t-slibgcc-darwin: Support x86_64 multilib.
281 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
282 Return 1 for x86_64-darwin.
283 * config/i386/t-darwin: Add m64 multilib.
284 (LIB2_SIDITI_CONV_FUNCS): Use.
285 (LIB2FUNCS_EXTRA): Ditto.
286 * config/i386/darwin.h: Support x86_64.
287 * config/i386/i386.c (override_options): Turn on flag_pic
288 for x86_64-darwin. Disable flag_omit_pointer.
289 (get_pc_thunk_name): Assert !TARGET_64BIT.
290 (legitimate_address_p): Disable machopic addressing for
292 (legitimize_pic_address): Ditto.
293 (ix86_expand_move): Ditto.
294 (ix86_expand_call): Ditto.
295 (machopic_output_stub): Ditto.
296 * config/darwin.c (machopic_select_section): Support literal16.
297 (machopic_select_rtx_section): Ditto.
298 * config/darwin-sections.def: Ditto.
299 * config/darwin-64.c: New.
301 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
304 * c-tree.h (struct c_arg_info): Add pending_sizes.
305 * c-parser.c (c_parser_parms_declarator,
306 c_parser_parms_list_declarator): Initialize pending_sizes.
307 * c-decl.c (get_parm_info): Initialize pending_sizes.
308 (get_parm_info): Set pending_sizes.
309 (grokdeclarator): Call put_pending_sizes for parameters for
310 function definition only.
312 2006-09-07 Jason Merrill <jason@redhat.com>
315 * varasm.c (output_constant): Only strip actual no-op conversions.
318 * config/i386/i386.c (override_options): Use 128-bit
319 stack boundary if -msse.
321 2006-09-07 Eric Christopher <echristo@apple.com>
323 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
325 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
328 2006-09-07 Geoffrey Keating <geoffk@apple.com>
330 * dwarf2out.c: Remove strange characters from comment above
331 dwarf2out_frame_debug_expr.
333 2006-09-07 Eric Christopher <echristo@apple.com>
335 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
336 * config/darwin.h: ... to here.
338 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
340 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
342 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
343 (TARGET_PARTIAL_FLAG_REG_STALL): New.
345 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
346 TARGET_PARTIAL_FLAG_REG_STALL.
347 (*ashldi3_cconly_rex64): Likewise.
348 (*ashlsi3_cmp): Likewise.
349 (*ashlsi3_cconly): Likewise.
350 (*ashlsi3_cmp_zext): Likewise.
351 (*ashlhi3_cmp): Likewise.
352 (*ashlhi3_cconly): Likewise.
353 (*ashlqi3_cmp): Likewise.
354 (*ashlqi3_cconly): Likewise.
355 (*ashrdi3_cmp_rex64): Likewise.
356 (*ashrdi3_cconly_rex64): Likewise.
357 (*ashrsi3_cmp): Likewise.
358 (*ashrsi3_cconly): Likewise.
359 (*ashrsi3_cmp_zext): Likewise.
360 (*ashrhi3_cmp): Likewise.
361 (*ashrhi3_cconly): Likewise.
362 (*ashrqi3_cmp): Likewise.
363 (*ashrqi3_cconly): Likewise.
364 (*lshrdi3_cmp_rex64): Likewise.
365 (*lshrdi3_cconly_rex64): Likewise.
366 (*lshrsi3_cmp): Likewise.
367 (*lshrsi3_cconly): Likewise.
368 (*lshrsi3_cmp_zext): Likewise.
369 (*lshrhi3_cmp): Likewise.
370 (*lshrhi3_cconly): Likewise.
371 (*lshrqi2_cmp): Likewise.
372 (*lshrqi2_cconly): Likewise.
374 2006-09-07 Uros Bizjak <uros@kss-loka.si>
377 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
378 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
379 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
380 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
381 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
382 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
383 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
384 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
385 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
386 implement only CC setting effects of shift instructions.
388 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
390 * doc/contrib.texi: Add myself.
392 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
395 * stor-layout.c (relayout_decl): Don't zero the alignment if it
398 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
401 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
402 (divsi_inv_m1): Use them.
403 (UNSPEC_DIV_INV_TABLE): New constant.
405 2006-09-06 James E Wilson <wilson@specifix.com>
408 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
409 then call count_or_remove_death_notes.
411 2006-09-06 Jason Merrill <jason@redhat.com>
414 * tree-inline.c (copy_result_decl_to_var): New fn.
415 (declare_return_variable): Use it. Call declare_inline_vars here.
416 (expand_call_inline): Not here.
418 2006-09-06 Diego Novillo <dnovillo@redhat.com>
420 * doc/contrib.texi: Update my entry.
422 2006-09-06 Nick Clifton <nickc@redhat.com>
424 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
426 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
429 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
430 (canonicalize_induction_variables): Likewise.
431 (tree_unroll_loops_completely): Likewise.
432 (tree_ssa_prefetch_arrays): Likewise.
433 (remove_empty_loops): Likewise.
434 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
435 TODO_cleanup_cfg instead of directly calling
436 cleanup_tree_cfg_loop.
437 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
439 (tree_unroll_loops_completely): Likewise.
440 (remove_empty_loops): Likewise.
441 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
442 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
443 of tree_ssa_unswitch_loops.
444 (tree_ssa_loop_ivcanon): Use the return value of
445 canonicalize_induction_variables.
446 (tree_ssa_empty_loop): Use the return value of
448 (tree_complete_unroll): Use the return value of
449 tree_unroll_loops_completely.
450 (tree_ssa_loop_prefetch): Use the return value of
451 tree_ssa_prefetch_arrays.
452 * passes.c (execute_todo): Before Cleanup CFG, set
453 updating_used_alone and after cleanup CFG, call
454 recalculate_used_alone.
456 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
459 * tree-vect-transform.c (vectorizable_condition): Move the check
460 for the type after the check for simple condition.
462 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
463 Kaz Kojima <kkojima@gcc.gnu.org>
466 * mode-switching.c (optimize_mode_switching): Make the destination
467 block of an abnormal edge have no anticipatable mode. Don't
468 insert mode switching code at the end of the source block of
471 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
473 PR rtl-optimization/26847
474 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
475 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
476 (simplify_plus_minus): Count n_constants while filling ops. Replace
477 qsort with insertion sort. Before going through the array to simplify
478 pairs, sort it. Delay early exit until after the first sort, exiting
479 only if no swaps occurred. Simplify pairs in reversed order, without
480 special-casing the first iteration. Pack ops after simplifying pairs.
482 2006-09-05 Anatoly Sokolov <aesok@post.ru>
484 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
485 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
486 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
487 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
489 2006-09-05 Richard Guenther <rguenther@suse.de>
491 PR tree-optimization/28900
492 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
493 compound conditional before creating COND_EXPR condition.
495 2006-09-05 Richard Guenther <rguenther@suse.de>
497 PR tree-optimization/28905
498 * tree-vrp.c (fix_equivalence_set): Manually implement
499 !value_ranges_intersect_p to also handle symbolic ranges.
501 2006-09-05 Richard Guenther <rguenther@suse.de>
504 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
507 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
509 PR rtl-optimization/27616
510 * cse.c (table_size): New static variable.
511 (new_basic_block): Initialize it to 0.
512 (remove_from_table): Decrement it.
513 (insert): Increment it.
514 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
515 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
516 fold_rtx_mem_1 if under the cap.
517 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
518 the lookup of the equivalent expression and test for equality of the
519 first operand of the equivalent expression before in turn looking up
520 an equivalent constant for the second operand.
522 2006-09-02 Geoffrey Keating <geoffk@apple.com>
525 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
526 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
527 pointer, instead of assuming it is possible to derive the
528 correct args size from a call insn.
530 2006-09-02 Jakub Jelinek <jakub@redhat.com>
533 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
534 (fold_builtin_mempcpy): Rename to...
535 (fold_builtin_memory_op): ... this. Optimize one element copy
537 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
539 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
540 (expand_builtin_memcpy, expand_builtin_mempcpy,
541 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
542 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
543 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
544 BUILT_IN_MEM{CPY,PCPY,MOVE}.
546 2006-09-01 DJ Delorie <dj@redhat.com>
548 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
550 ("stzx_24_<mode>"): Likewise.
551 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
552 ("cmp<mode>_op"): New.
553 (cmp<mode>): Change to expander; just save operands.
555 (b<code>): Change to expander, emit compare here.
556 (s<code>_op): Change to use split and expander.
557 (s<code>_24_op): Likewise.
558 (s<code>_<mode>): New.
559 (s<code>_<mode>_24): New.
560 (movqicc_<code>_<mode): New.
561 (movhicc_<code>_<mode>): New.
564 * config/m32c/m32c.c (compare_op0, compare_op1): New.
565 (m32c_pend_compare): New.
566 (m32c_unpend_compare): New.
567 (m32c_expand_scc): New.
568 (m32c_expand_movcc): Emit the compare also.
569 * config/m32c/predicates.md (mra_nopp_operand): New.
571 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
572 Richard Guenther <rguenther@suse.de>
573 Adam Nemet <anemet@caviumnetworks.com>
576 * builtins.c (get_pointer_alignment): Handle more forms
577 of base addresses that can be used to derive more precise
578 information about alignment.
580 2006-09-01 Jason Merrill <jason@redhat.com>
583 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
586 * gimplify.c (voidify_wrapper_expr): Handle null type.
588 2006-09-01 Josh Conner <jconner@apple.com>
591 * tree-nrv.c (dest_safe_for_nrv_p): New function.
592 (execute_return_slot_opt): Use it.
594 2006-08-31 Josh Conner <jconner@apple.com>
597 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
598 returning aggregates.
600 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
602 PR tree-optimization/28839
603 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
604 blocks in that phi arguments appear.
606 2006-08-31 Roger Sayle <roger@eyesopen.com>
609 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
610 NULL, otherwise use an advance_loc4 to adjust relative to the
612 (output_cfi) <DW_CFA_set_loc>: Update the current label.
613 (dwarf2out_switch_text_section): Reset the current label to avoid
614 using advance_loc4 over section boundaries.
616 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
619 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
620 r12 + SYMBOLIC_CONST.
622 2006-08-30 Richard Guenther <rguenther@suse.de>
624 * Makefile.in (see.o): Add $(EXPR_H) dependency.
626 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
628 PR rtl-optimization/27735
629 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
630 Add new argument to keep track of whether an irreducible region
631 was affected. All callers changed.
632 (fix_irreducible_loops): Removed.
633 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
634 flags were invalidated.
636 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
638 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
639 instead of SF operands.
640 (*fop_df_comm_sse): Likewise.
641 (*fop_df_comm_i387): Likewise.
642 (*fop_df_1_mixed): Likewise.
643 (*fop_df_1_sse): Likewise.
645 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
646 J"orn Rennecke <joern.rennecke@st.com>
648 PR tree-optimization/17506
649 * tree-ssa.c (warn_uninit): If warning about a location outside of
650 the current function, note where the variable was declared.
652 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
654 PR tree-optimization/28411
655 * double-int.c (double_int_div): Use double_int_divmod.
656 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
657 double_int_mod, double_int_smod, double_int_umod): New functions.
658 * double-int.h (double_int_divmod, double_int_sdivmod,
659 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
661 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
663 (get_computation_aff, get_computation_cost_at): Handle double_int
664 return type of constant_multiple_of.
666 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
669 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
670 an implicit conversion.
672 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
674 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
676 2006-08-27 Roger Sayle <roger@eyesopen.com>
678 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
681 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
683 * config/i386/crtfastmath.c: Fix a comment typo.
685 2006-08-26 Roger Sayle <roger@eyesopen.com>
687 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
688 temporary visit flags on CASE_LABEL_EXPRs.
689 * c-common.c (match_case_to_enum): Add function comment. Avoid
690 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
691 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
692 CASE_HIGH_SEEN for enumerated types. If the switch expression is
693 a constant, only warn if that constant value isn't handled.
695 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
698 * input.h (restore_input_file_stack): Declare.
699 (INPUT_FILE_STACK_BITS): Define.
700 * toplev.c (fs_p, input_file_stack_history,
701 input_file_stack_restored, restore_input_file_stack): New.
702 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
703 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
704 (pop_srcloc): Don't free old state of stack.
706 2006-08-26 David Edelsohn <edelsohn@gnu.org>
709 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
710 (PowerPC Type Attributes): New.
712 2006-08-26 Bob Wilson <bob.wilson@acm.org>
714 * config/xtensa/xtensa.c (function_arg_boundary): New.
715 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
717 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
718 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
720 2006-08-26 Jakub Jelinek <jakub@redhat.com>
723 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
726 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
728 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
729 (verify_local_live_at_start): Likewise.
731 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
734 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
735 omp_add_variable): Treat sizes as variable whenever not
738 2006-08-26 Richard Guenther <rguenther@suse.de>
741 * fold-const.c (fold_binary): Fold temporary to correct
742 type before constructing new comparison.
744 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
747 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
748 variable again if DECL_SEEN_IN_BIND_EXPR_P.
750 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
753 * c-decl.c (start_function): Don't try to process prototype
754 information from old declaration that isn't a function.
756 2006-08-25 Jan Hubicka <jh@suse.cz>
759 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
761 2006-08-25 Alan Modra <amodra@bigpond.net.au>
764 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
767 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
769 PR tree-optimization/16876
770 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
771 exit if PARM doesn't match VALUE.
773 2006-08-25 Bob Wilson <bob.wilson@acm.org>
775 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
776 literal_prefix directive.
777 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
778 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
779 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
781 2006-08-25 David Edelsohn <edelsohn@gnu.org>
784 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
785 predicate to general_operand. Add 0->y and I->r alternatives.
787 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
789 * doc/tm.texi: Fix a typo.
790 * predict.c: Fix comment typos.
792 2006-08-25 Nick Clifton <nickc@redhat.com>
794 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
795 assertions of "cpu" and "machine".
797 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
800 * tree-ssa-operands.c (access_can_touch_variable): Don't say
801 the access through a base which has an alias set of 0 cannot
804 2006-08-24 Bill Wendling <wendling@apple.com>
806 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
808 2006-08-24 Jan Hubicka <jh@suse.cz>
810 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
812 2006-08-24 Jan Hubicka <jh@suse.cz>
815 * cgraph.c: Fix comments.
816 (cgraph_varpool_mark_needed_node): Mark only variables not already
818 * cgraphunit.c: Update comments; include gt-cgraphunit.h
819 (cgraph_varpool_assembled_nodes_queue): New static variable.
820 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
821 (cgraph_varpool_output_debug_info): New function.
822 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
823 * Makefile.in: Add gt-cgraphunit.h
825 2006-08-24 Jan Hubicka <jh@suse.cz>
827 * predict.c (probability_reliable_p): New predicate.
828 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
829 (predict_loops): Do not predict loop exit with less than 2%
831 * basic-block.h (edge_probability_reliable_p,
832 br_prob_note_reliable_p): Declare.
833 * ia64.h (ia64_print_operand): Do not disable on-chip branch
834 prediction when static predictor is not reliable.
835 * rs6000.c (output_cbranch): Likewise.
837 2006-08-23 Stuart Hastings <stuart@apple.com>
840 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
841 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
843 2006-08-21 Geoffrey Keating <geoffk@apple.com>
846 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
847 complex values, nor for generic vector values.
849 2006-08-22 Richard Guenther <rguenther@suse.de>
852 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
853 parameter. Convert arguments to arithmetic expression to the
855 (analyze_scalar_evolution_1): Adjust caller.
857 2006-08-22 Jan Hubicka <jh@suse.cz>
859 Patch by Paolo Bonzini
860 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
863 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
865 PR tree-optimization/28003
866 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
867 before grouping aliases.
869 2006-08-22 Roger Sayle <roger@eyesopen.com>
871 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
872 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
874 2006-08-21 Jason Merrill <jason@redhat.com>
877 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
878 wrapper. Loop to handle nested wrappers.
879 (gimplify_bind_expr): Remove temp parameter.
880 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
881 and STATEMENT_LIST on the rhs.
882 (gimplify_statement_list): Voidify the STATEMENT_LIST.
883 (gimplify_expr): Pass pre_p to gimplify_statement_list.
884 (gimplify_target_expr): Remove special BIND_EXPR handling.
886 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
888 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
891 2006-08-21 Olivier Hainque <hainque@adacore.com>
893 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
894 Arrange for the temporary captures of components overlapping the lhs
895 to happen before the lhs is possibly cleared.
897 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
899 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
900 necessary places to pass the correct "number of registers" values
903 2006-08-20 Jan Hubicka <jh@suse.cz>
905 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
906 (create_name_tags): Instead of quadratic checking use hashtable.
907 * bitmap.h: Include hashtab.h.
908 (bitmap_hash): Declare.
909 * bitmap.c (bitmap_hash): New function.
911 2006-08-20 Jan Hubicka <jh@suse.cz>
913 PR rtl-optimization/28071
914 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
916 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
917 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
918 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
919 cgraph_decide_inlining_incrementally): Update use of
920 cgraph_check_inline_limits.
921 * cgraph.c (edge_hash, edge_eq): New function.
922 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
923 cgraph_edge_remove_caller, cgraph_node_remove_callees,
924 cgraph_remove_node): Maintain call site hash.
925 * cgraph.h (struct cgraph_node): Add call_site_hash.
926 (cgraph_set_call_stmt): New function.
928 2006-08-20 Jan Hubicka <jh@suse.cz>
930 PR rtl-optimization/28071
931 * reload1.c (reg_has_output_reload): Turn into regset.
932 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
933 choose_reload_regs, emit_reload_insns): Update to new
934 reg_has_output_reload.
936 2006-08-20 Jan Hubicka <jh@suse.cz>
939 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
941 * cgraphunit.c (cgraph_analyze_function): Don't do so.
943 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
946 * tree.c (handle_dll_attribute): Return early if not a
947 var or function decl.
949 2006-08-18 Joseph Myers <joseph@codesourcery.com>
952 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
953 alignment of SPE vector types.
955 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
957 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
959 2006-08-17 Jakub Jelinek <jakub@redhat.com>
962 * cgraph.h (struct cgraph_node): Remove externally_visible
964 * cgraphunit.c (process_function_and_variable_attributes): Set
965 local.externally_visible rather than externally_visible.
968 * c-common.c (handle_externally_visible_attribute): First look
969 at TREE_CODE and only if it is function or var decl, check for
970 non-public objects. Don't warn for DECL_EXTERNAL.
971 * cgraphunit.c (process_function_and_variable_attributes): Warn
972 if externally_visible attribute is used on non-public object.
974 2006-08-17 Jan Hubicka <jh@suse.cz>
976 PR tree-optimization/27865
977 * reload1.c (forget_marked_reloads): New function.
978 (forget_old_reloads_1): When data are passed, just mark the registers
980 (reload_as_needed): Use the new mechanizm.
982 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
985 * reload.h (reg_equiv_alt_mem_list): New declaration.
986 * reload1.c (reg_equiv_alt_mem_list): New definition.
987 (reload): Initialize it and release it.
988 (delete_output_reload): Use it.
989 * reload.c (push_reg_equiv_alt_mem): New function.
990 (find_reloads_toplev): Call it.
991 (find_reloads_address, find_reloads_address_1): Likewise.
992 (find_reloads_subreg_address): Likewise.
994 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
996 PR rtl-optimization/28489
997 * sched-ebb.c (begin_schedule_ready): Create basic block
999 (advance_target_bb): Skip empty blocks.
1000 * haifa-sched.c (bb_note): Make global.
1001 * sched-int.h (bb_note): Add prototype.
1003 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1005 PR tree-optimization/27865
1006 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1008 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1009 fold_used_pointer, pointer_used_p): New functions.
1010 (analyze_scalar_evolution_1): Use fold_used_pointer.
1011 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1012 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1015 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1018 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1019 or the INTEGER_CST. Fail on a CALL_EXPR.
1020 (fold_offsetof): Pass new argument to fold_offsetof_1.
1021 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1022 operand into an INDIRECT_REF.
1023 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1025 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1027 PR gcov/profile/26570
1028 * value-prof.c (static_values): Removed.
1029 (tree_find_values_to_profile): Do not set static_values.
1030 (find_values_to_profile): Do not free static_values.
1031 * profile.c (instrument_values): Do not free the values.
1032 (branch_prob): Free the values.
1034 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1036 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1038 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1041 * c-typeck.c (build_component_ref): Combine qualifiers of
1042 structure or union and field.
1044 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1046 PR rtl-optimization/28071
1047 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1048 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1049 * tree-into-ssa.c (struct dom_dfsnum): New.
1050 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1052 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1053 compute_global_livein.
1054 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1055 in phi nodes in the correct blocks.
1057 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1059 PR tree-optimization/28364
1060 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1062 (fold_affine_expr): New function.
1063 (may_eliminate_iv): Use fold_affine_expr.
1065 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1068 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1071 2006-08-16 Mike Stump <mrs@apple.com>
1073 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1074 * doc/cppopts.texi (-MD): Likewise.
1076 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1079 * c-common.c (handle_weak_attribute): Ignore and warn if
1080 not a FUNCTION_ or VAR_DECL.
1082 2006-07-15 Mike Stump <mrs@apple.com>
1085 * c-parser.c (c_parser_typeof_specifier): Don't use
1086 c_finish_expr_stmt, open code desired semantics instead.
1088 2006-08-15 Nick Clifton <nickc@redhat.com>
1090 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1091 fragment to tmake_file only if threads are enabled.
1092 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1093 * config/i386/t-gthr-win32: New file. ... here.
1095 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1098 * c-parser.c (c_parser_compound_statement_nostart): Reset
1099 parser->error after each statement.
1101 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1104 * omp-low.c (lower_omp_parallel): Convert t to
1105 receiver_decl's type.
1106 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1107 source before comparison.
1110 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1111 to itype in assignment to oldival2.
1113 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1117 * c-typeck.c (build_compound_expr): If the second expression
1118 is an error mark, then just return an error mark instead of
1119 creating a COMPOUND_EXPR.
1121 2006-07-14 Mike Stump <mrs@apple.com>
1123 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1125 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1127 * c-decl.c, var-tracking.c: Fix comment typos.
1129 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1131 PR rtl-optimization/28634
1132 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1133 for floating-point modes unless flag_unsafe_math_optimizations.
1135 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1136 Andrew Pinski <pinskia@physics.uc.edu>
1139 * tree.c (build_array_type): Unify array types with
1140 unspecified index_type.
1141 * c-decl.c (grokdeclarator): Make sure we do not modify a
1142 unified incomplete array type.
1143 * c-typeck.c (store_init_value): Create distinct type before
1144 filling in the index type in an initializer from a compound
1147 * c-decl.c (grokdeclarator): Remove code where we copy the
1150 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1152 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1153 into account for TODO_dump_cgraph.
1154 (TODO_update_ssa_no_phi): Likewise.
1155 (TODO_update_ssa_full_phi): Likewise.
1156 (TODO_update_ssa_only_virtuals): Likewise.
1157 (TODO_remove_unused_locals): Likewise.
1158 (TODO_set_props): Likewise.
1159 (TODO_update_stmt_usage): Likewise.
1161 2006-08-13 Dirk Mueller <dmueller@suse.de>
1163 * c-common.c (strict_aliasing_warning): Fix formatting.
1165 2006-08-13 Matthias Klose <doko@debian.org>
1167 * doc/invoke.texi: Fix spelling errors.
1169 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1171 PR rtl-optimization/23454
1172 * reorg.c (relax_delay_slots): Update comment.
1174 2006-08-11 Richard Guenther <rguenther@suse.de>
1177 * simplify-rtx.c (simplify_const_relational_operation):
1178 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1181 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1183 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1184 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1186 2006-08-10 Paul Brook <paul@codesourcery.com>
1188 * final.c (final_scan_insn): Clear current_insn_predicate before
1189 outputting inline asm.
1191 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1193 PR tree-optimization/26197
1194 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1195 get_ref_base_and_extent and overlap_subvar to add only relevant
1196 subvars as may-aliases.
1197 (add_may_alias_for_new_tag): New function, factored out of
1199 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1200 with additional argument.
1201 * tree-flow.h (new_type_alias): Takes additional argument.
1203 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1205 * gcov.c (no_data_file): New flag.
1206 (read_count_file): Set it if data file not present. Assume counts
1208 (output_lines): Don't name the data file, if there wasn't one.
1210 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1212 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1213 (rs6000_generate_compare): Tweak comments.
1214 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1216 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1218 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1219 (var_debug_decl): New function.
1220 (var_reg_set): Follow debug decl link. Add location even if
1221 reg is already known to hold some other variable.
1222 (var_mem_set): Follow debug decl link.
1223 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1224 decl link. Delete other known locations of the variable part
1226 (var_reg_delete, var_mem_delete): Delete other known locations
1227 of the variable part if requested.
1228 (same_variable_part_p): New function.
1229 (add_stores): Select MO_COPY when appropriate.
1230 (vt_initialize): Handle it.
1231 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1232 known locations for MO_SET and MO_CLOBBER.
1233 (find_variable_location_part): New function.
1234 (set_variable_part, delete_variable_part): Use it.
1235 (clobber_variable_part): New function.
1236 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1239 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1241 PR tree-optimization/26969
1242 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1243 with an empty list of PHIs.
1245 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1249 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1252 2006-08-06 Andreas Schwab <schwab@suse.de>
1254 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1255 string. Whitespace and comment fixup.
1257 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1260 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1264 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1267 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1269 2006-08-04 Jan Hubicka <jh@suse.cz>
1273 * reload.c (push_reload): Patch out the mismatching instruction;
1275 (find_reload): Bail out if the instruction was patched out.
1277 2006-08-04 Jan Hubicka <jh@suse.cz>
1279 PR tree-optimization/24888
1280 * tree-inline.c (expand_call_inline): Do not re-record variables.
1281 (declare_inline_vars): Add variable to unexpanded_var_list.
1283 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1284 Roger Sayle <roger@eyesopen.com>
1286 PR rtl-optimization/26244
1287 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1288 inner_const are negative or greater than or equal to the bitsize of
1289 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1290 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1291 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1292 CONST0_RTX (mode) when the new shift count is greater than or equal to
1293 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1296 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1298 * tree-cfg.c: Fix a comment typo.
1300 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1303 * varasm.c (output_constant): Give the front end another chance to
1304 expand constants, after stripping NOPs.
1306 2006-08-03 Jan Hubicka <jh@suse.cz>
1308 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1311 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1313 PR tree-optimization/27770
1314 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1315 declaration removed (moved to tree-flow.h).
1316 (vect_can_force_dr_alignment_p): Likewise.
1317 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1318 (moved from tree-vectorizer.h).
1319 (vect_can_force_dr_alignment_p): Likewise.
1320 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1321 from outside the vectorizer - in particular from cgraph stage.
1322 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1323 the alignment of global arrays when -fsection-anchors is enabled.
1324 * cgraphunit.c (cgraph_increase_alignment): New function.
1325 (cgraph_optimize): Call cgraph_increase_alignment.
1327 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1330 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1331 not reload a SPE symbol_ref into a lo_sum address.
1333 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1336 * dwarf2out.c (prune_unused_types_prune): Move call to
1337 prune_unused_types_update_strings to cover the parent DIE also.
1339 2006-08-02 Jan Hubicka <jh@suse.cz>
1341 PR gcov/profile/28480
1342 * tree-cfg.c (change_bb_for_stmt): New function.
1343 (tree_merge_blocks, tree_split_blocks): Use it.
1345 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1351 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1352 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1353 (cgraph_optimize): Likewise.
1355 2006-08-01 Stuart Hastings <stuart@apple.com>
1357 * rtl.h (UINTVAL) New.
1358 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1359 * testsuite/gcc.dg/20060801-1.c: New.
1361 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1364 * c-typeck.c (build_external_type): Mark used enum types.
1365 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1367 (gen_subprogram_die): Whitespace fix.
1369 2006-08-01 Jan Hubicka <jh@suse.cz>
1371 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1372 bitmap when not needed.
1373 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1376 2006-08-01 Dirk Mueller <dmueller@suse.de>
1378 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1380 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1382 * Makefile.in: Revert part of previous patch:
1383 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1386 2006-07-30 Eric Christopher <echristo@apple.com>
1389 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1390 (PowerPC Variable Attributes): New section.
1392 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1394 PR target/28126 (partial fix)
1395 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1397 2006-07-28 Jan Hubicka <jh@suse.cz>
1399 PR rtl-optimization/28071
1400 * cfgrtl.c (rtl_delete_block): Free regsets.
1401 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1403 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1405 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1406 and variables used in dependencies.
1408 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1410 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1411 %fs for -mcmodel=kernel.
1412 (stack_tls_protect_test_di): Likewise.
1414 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1416 * Makefile.in: Use mkinstalldirs.
1418 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1421 * opts-common.c (prune_options): Skip joined switches.
1423 2006-07-27 Jan Hubicka <jh@suse.cz>
1425 PR rtl-optimization/28071
1426 * cselib.c (cselib_process_insn): Don't remove useless values too
1427 often for very large hashtables.
1429 2006-07-27 Jan Hubicka <jh@suse.cz>
1431 PR rtl-optimization/28071
1432 * global.c (greg_obstack): New obstack.
1433 (allocate_bb_info): Use it.
1434 (free_bb_info): Likewise.
1435 (modify_reg_pav): Likewise.
1437 2006-07-27 Roger Sayle <roger@eyesopen.com>
1439 * builtins.c (fold_fixed_mathfn): When long and long long are the
1440 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1441 functions to their lceil*, lfloor*, lround* and lrint* forms.
1443 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1446 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1448 (rev_branch_insn): Likewise.
1450 2006-07-27 Jan Hubicka <jh@suse.cz>
1452 PR rtl-optimization/28071
1453 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1454 (reg_set_in_bb, max_reg_computed): New static variables.
1455 (regmove_optimize): Free the new array.
1456 (fixup_match_1): Update call of reg_is_remote_constant_p.
1458 2006-07-26 Jan Hubicka <jh@suse.cz>
1460 PR tree-optimization/27882
1461 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1463 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1465 (cgraph_analyze_compilation_unit): Likewise.
1466 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1467 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1468 (cgraph_early_inlinine): Make order garbage collected.
1469 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1471 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1473 * dbxout.c (output_types_sort): Add a comment.
1474 (output_used_types): Free the VEC.
1476 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1478 * function.c (reorder_fix_fragments): Delete.
1479 (reorder_blocks): Don't call it.
1480 (reorder_blocks_1): Put all subblocks under the origin block.
1482 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1484 PR rtl-optimization/27907
1485 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1488 2006-07-25 Roger Sayle <roger@eyesopen.com>
1491 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1492 bar(x) check that bar's result type can represent all the values of T.
1494 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1496 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1498 2006-07-25 Nick Clifton <nickc@redhat.com>
1500 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1501 size_lookup[] array.
1502 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1503 (ggc_pch_count_object): Likewise.
1504 (ggc_pch_alloc_object): Likewise.
1505 (ggc_pch_write_object): Likewise.
1506 (init_ggc): Do not attempt to initialize entries in the
1507 size_lookup[] array for objects whose size is greater than than
1508 the length of the array.
1510 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1512 * dbxout.c (output_used_types_helper): Push queued types
1514 (output_types_sort): New.
1515 (output_used_types): Collect used types on a VEC and sort them
1518 2006-07-24 Richard Guenther <rguenther@suse.de>
1521 * cgraph.c (cgraph_remove_node): Do not check if dumps
1523 * cgraphunit.c (cgraph_optimize): Likewise.
1525 2006-07-24 Jan Hubicka <jh@suse.cz>
1527 PR rtl-optimization/28071
1528 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1529 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1530 splitting before first stmt.
1532 2006-07-24 Jan Hubicka <jh@suse.cz>
1534 PR rtl-optimization/28071
1535 * ipa-inline.c (update_caller_keys): Remove edges that
1536 are no longer inline candidates.
1538 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1541 * dbxout.c (output_used_types_helper, output_used_types): New.
1542 (dbxout_symbol): Call output_used_types.
1544 2006-07-23 Jan Hubicka <jh@suse.cz>
1548 * cgraph.c (cgraph_varpool_nodes): Export.
1549 (decide_is_variable_needed): Ignored "used" attribute in
1550 unit-at-a-time mode.
1551 * cgraph.h (cgraph_varpool_nodes): Declare.
1552 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1553 unit-at-a-time mode.
1555 2006-07-23 Roger Sayle <roger@eyesopen.com>
1558 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1559 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1560 the __gthrw form of thr_keycreate.
1561 (__gthread_key_delete): Silence the unused argument warning.
1563 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1566 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1567 Cache the last found '\0' marker to avoid quadratic behavior.
1569 2006-07-23 Jan Hubicka <jh@suse.cz>
1571 * i386.md (subsi_3_zext): Fix output template.
1573 2006-07-21 Mike Stump <mrs@apple.com>
1575 * doc/invoke.texi (C++ Dialect Options): Note that
1576 -fvisibility-inlines-hidden doesn't affect explicitly
1577 instantiationed inline methods.
1579 2006-07-20 Roger Sayle <roger@eyesopen.com>
1581 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1582 if the target assembler is GNU binutils' gas.
1583 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1584 whether to pass GNU gas or native as command line options.
1586 2006-07-20 Jason Merrill <jason@redhat.com>
1588 * tree.c (remove_attribute): New fn.
1589 * tree.h: Declare it.
1591 2006-07-20 Paul Brook <paul@codesourcery.com>
1594 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1595 they are invalidated by this instruction.
1597 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1600 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1602 2006-07-20 Eric Christopher <echristo@apple.com>
1605 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1607 2006-07-19 Eric Christopher <echristo@apple.com>
1609 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1610 Rewrite dependencies for libgcc_s.1.dylib.
1612 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1614 * except.c (duplicate_eh_regions_1): Clear next_peer.
1616 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1618 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1619 -mlongcall does not guarantee all calls will be long.
1620 * doc/extend.texi (long_call/short_call): Document that longcall
1621 does not guarantee a long call will be used.
1622 (longcall/shortcall): Likewise.
1624 2006-07-18 Roger Sayle <roger@eyesopen.com>
1627 * expmed.c (expand_shift): Additionally check that the shift_cost
1628 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1629 before implementing a LSHIFT_EXPR as a sequence of additions.
1630 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1631 middle-end that DImode shifts need to be synthesized by expand.
1633 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1636 * tree-ssa-operands.c (access_can_touch_variable): Update
1638 Return true if ALIAS is .GLOBAL_VAR.
1640 2006-07-18 David Daney <ddaney@avtrex.com>
1642 * gcc.c (display_help): Fix typo in help text.
1644 2006-07-18 Olivier Hainque <hainque@adacore.com>
1646 * tree.h (categorize_ctor_elements): Adjust prototype and add
1647 descriptive comment, both in accordance with the interface change
1649 * varasm.c (constructor_static_from_elts_p): New function.
1650 Whether a constructor node is a valid static constant initializer
1651 if all its elements are.
1652 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1653 * output.h: Declare it.
1654 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1655 is a valid constant initializer instead of computing the number of
1656 non-constant elements. Use constructor_static_from_elts_p for this
1657 purpose. Replace the head comment with an indication that this is a
1658 helper for categorize_ctor_elements.
1659 (categorize_ctor_elements): Same interface change as for the _1
1660 helper. Former head comment from this helper moved here, adjusted to
1661 account for the interface changes.
1662 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1663 (all_zeros_p): Likewise.
1664 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1665 static versions of the constructor from the categorize_ctor_elements
1666 return value instead of the formerly computed number of non-constant
1669 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1671 * configure: Regenerate.
1672 * Makefile.in (build_libsubdir): New configure substitution
1673 (build_libobjdir): New variable.
1674 (BUILD_LIBIBERTY): Use it.
1676 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1679 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1681 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1684 * c-common.c (handle_weakref_attribute): Ignore attribute in
1685 the same conditions the alias attribute is ignored.
1687 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1689 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1690 (dbxout_begin_prologue): Increment scope_labelno.
1692 2006-07-17 Richard Henderson <rth@redhat.com>
1695 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1698 2006-07-17 Roger Sayle <roger@eyesopen.com>
1699 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1701 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1702 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1703 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1704 functions such as sbrk, write, etc.. Add function prototypes.
1705 Convert function declarations from K&R to ISO C. Cast pointers
1706 to "long" and "unsigned long" instead of "int" and "unsigned int".
1707 Convert tokens following #endif into comments.
1709 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1711 * invoke.texi: Remove mention of f77; Reformat table for
1712 inline parameter options correctly; mention that -malign-double
1713 is default on x86-64 targets.
1715 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1717 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1718 (convert_affine_scev, chrec_convert_aggressive): Use
1719 avoid_arithmetics_in_type_p. Do not check for the subtypes
1722 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1725 * optabs.c (expand_doubleword_shift): Wrap the call to
1726 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1728 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1731 * optabs.c (expand_binop): Pass next_methods rather than methods
1732 to expand_doubleword_shift.
1734 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1737 * tree.h (dump_addr): Declare.
1738 * print-tree.c (dump_addr): New function.
1739 (print_node_brief, print_node): Use it.
1740 * print-rtl.c (print_rtx): Likewise.
1741 * common.opt (-fdump-noaddr): New option.
1742 * doc/invoke.texi (-fdump-noaddr): Document.
1743 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1744 (ve_info_hash): Likewise.
1746 2006-07-13 Andrew Haley <aph@redhat.com>
1748 PR tree-optimization/19505
1749 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1750 edge leaving this block, make sure that the destination of this
1751 block has only one predecessor.
1753 2006-07-17 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/28238
1756 * tree-inline.c (copy_bb): Check if we produced valid
1757 gimple copying and substituting a stmt. If not, gimplify
1760 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1762 * optabs.c (maybe_encapsulate_block): New function extracted from...
1763 (emit_libcall_block): ...here. Invoke it on the block of insns to
1764 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1765 (emit_no_conflict_block): Likewise.
1767 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1769 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1771 2006-07-15 Roger Sayle <roger@eyesopen.com>
1773 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1774 a new NOP_EXPR case of the switch statement.
1776 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1779 * stor-layout.c (place_field): Take the bit field with
1780 an excessive size into account in the ms-bitfiled case.
1783 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1784 the previous bit field.
1786 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1789 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1791 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1793 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1794 signal frames correctly even when the signal was installed with
1797 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1799 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1800 (dbxout_function_end): Use local label LFBB. Remove hook
1802 (dbxout_source_line): Use local label LFBB.
1803 (dbxout_block): Likewise.
1804 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1805 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1806 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1807 and DBX_OUTPUT_NFUN.
1809 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1811 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1813 2006-07-13 Jan Hubicka <jh@suse.cz>
1815 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1817 * output.h (align_variable): Declare.
1818 * varasm.c (align_variable): Export.
1819 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1820 when basic block changed.
1822 2006-07-13 Nick Clifton <nickc@redhat.com>
1824 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1825 walking the LOG_LINKS chain.
1827 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1829 * doc/invoke.texi (C++ Dialect Options): Explain difference
1830 between -fvisibility-inlines-hidden and setting hidden
1831 visibility explicitly.
1833 2006-07-12 Eric Christopher <echristo@apple.com>
1835 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1836 (stmp-lipo): Depend on libgcc.a.
1838 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1840 * tree.c: Fix a comment typo.
1842 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1844 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1846 (umulhisi3_r): Likewise.
1848 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1851 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1852 x < 19, vs wchar_t support.
1854 2006-07-12 Nick Clifton <nickc@redhat.com>
1856 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1857 instead of -isa=sh4.
1859 2006-07-12 Mike Stump <mrs@apple.com>
1861 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1863 2006-07-10 Eric Christopher <echristo@apple.com>
1865 * config/t-slibgcc-darwin: Rewrite.
1867 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1870 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1873 2006-07-08 Matthias Klose <doko@debian.org>
1875 * doc/sourcebuild.texi: Fix typo.
1877 2006-07-07 Mike Stump <mrs@apple.com>
1879 * toplev.c (process_options): Don't give -ffunction-sections may
1880 affect debugging warning for Mach-O.
1882 2006-07-07 James E Wilson <wilson@specifix.com>
1884 * config/mips/mips.md (cpu): Add sb1a.
1885 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1886 addition to sb1. Adjust comments to clarify SB-1A differences from
1888 (ir_sb1a_load): New. Modify bypasses to use it.
1889 (ir_sb1a_simple_alu): Likewise.
1890 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1891 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1892 (mips_issue_rate): Add PROCESSOR_SB1A.
1893 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1894 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1895 (TARGET_SB1): Add PROCESSOR_SB1A check.
1896 (TUNE_SB1): Likewise.
1898 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1899 * config/mips/mips.c (mips_store_data_bypass_p): New.
1900 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1901 store_data_bypass_p.
1903 2006-07-08 Paul Brook <paul@codesourcery.com>
1906 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1908 2006-07-07 Richard Guenther <rguenther@suse.de>
1911 * tree.h (build_one_cst): Declare.
1912 * tree.c (build_one_cst): New function.
1913 * tree-ssa-math-opts.c (get_constant_one): Remove.
1914 (insert_reciprocals): Use build_one_cst.
1915 * fold-const.c (fold_plusminus_mult): Likewise.
1917 2006-07-07 Roger Sayle <roger@eyesopen.com>
1919 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1920 * cfgloopanal.c (dump_graph): Likewise.
1921 * dojump.c (discard_pending_stack_adjust): Likewise.
1922 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1924 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1925 * function.c (finalize_block_changes): Likewise.
1926 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1927 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1928 * rtl.c (dump_rtx_statistics): Likewise.
1929 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1931 * varray.c (dump_varray_statistics): Likewise.
1932 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1933 decode_decimal64, encode_decimal128, decode_decimal128,
1934 decimal_real_to_decimal): Likewise.
1936 2006-07-07 Richard Guenther <rguenther@suse.de>
1938 PR tree-optimization/28187
1939 * tree-vrp.c (vrp_operand_equal_p): New function.
1940 (vrp_bitmap_equal_p): Likewise.
1941 (update_value_range): Use them to compare old and new
1944 2006-07-06 Roger Sayle <roger@eyesopen.com>
1946 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1947 a default case to switch statement to silence compiler warnings.
1949 2006-07-06 Roger Sayle <roger@eyesopen.com>
1952 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1953 the configured assembler supports the x87's ffreep mnemonic.
1954 * configure: Regenerate.
1955 * config.in: Regenerate.
1957 * config/i386/i386.c (output_387_ffreep): New function.
1958 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1959 (output_387_reg_move): Likewise.
1961 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1963 Port to hosts whose 'sort' and 'tail' implementations
1964 treat operands with leading '+' as file names, as POSIX
1965 has required since 2001. However, make sure the code still
1966 works on pre-POSIX hosts.
1967 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1968 which says you should use "tail -c +N" rather than "tail +Nc".
1969 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1971 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1973 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1976 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1979 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1980 PRE_{INC,DEC} of TFmode.
1982 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1983 Alan Modra <amodra@bigpond.net.au>
1986 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1989 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1992 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1993 Remove duplicate gtu.
1995 2006-07-05 Jason Merrill <jason@redhat.com>
1999 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2000 * c-common.c (handle_packed_attribute): So don't copy it here.
2001 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2003 2006-07-05 Mike Stump <mrs@apple.com>
2005 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2007 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2010 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2012 2006-07-05 Richard Guenther <rguenther@suse.de>
2015 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2016 TARGET_SSE2 targets if using SSE math.
2017 (*absdf2_1): Likewise.
2019 2006-07-05 Richard Guenther <rguenther@suse.de>
2021 PR tree-optimization/28162
2022 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2023 make sure to convert the operands to the correct type.
2025 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2027 PR tree-optimization/28218
2029 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2030 to calculate and free the dominator information.
2032 2006-07-04 Peter O'Gorman <peter@pogma.com>
2034 * mklibgcc.in: chmod 644 before ranlib during install.
2036 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2037 J"orn Rennecke <joern.rennecke@st.com>
2039 * configure.ac (.eh_frame data check): Use diff -b.
2041 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2044 * Makefile.in (BUILD_RTL): Add build/vec.o.
2045 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2046 (build/genextract): Delete.
2047 (build/genautomata): Likewise.
2049 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2052 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2053 128-bit IBM long doubles for ABI_V4.
2055 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2057 * tree.c (range_in_array_bounds_p): New predicate.
2058 * tree.h (range_in_array_bounds_p): Declare it.
2059 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2060 return a less conservative answer.
2061 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2062 and flag 'is_group'.
2063 (IS_ELEMENT_FOR_GROUP): New macro.
2064 (FOR_EACH_ACTUAL_CHILD): Likewise.
2065 (next_child_for_group): New helper function.
2066 (can_completely_scalarize_p): Take into account groups.
2067 (sra_hash_tree): Handle RANGE_EXPR.
2068 (sra_elt_eq): Likewise.
2069 (lookup_element): Be prepared for handling groups.
2070 (is_valid_const_index): Delete.
2071 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2072 instead of is_valid_const_index.
2073 <ARRAY_RANGE_REF>: New case.
2074 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2075 is_valid_const_index.
2076 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2077 (scan_dump): Dump info for groups too.
2078 (decide_instantiation_1): Likewise.
2079 (decide_block_copy): Assert that the element is not a group.
2080 Propagate decision to groups.
2081 (generate_one_element_ref): Handle RANGE_EXPR.
2082 (mark_no_warning): Iterate over actual childs.
2083 (generate_copy_inout): Likewise.
2084 (generate_element_copy): Likewise.
2085 (generate_element_zero): Likewise.
2086 (generate_element_init_1): Likewise.
2087 (dump_sra_elt_name): Handle RANGE_EXPR.
2089 2006-07-03 Roger Sayle <roger@eyesopen.com>
2091 PR tree-optimization/26251
2092 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2093 (thread_block): When optimizing for size refuse to thread jumps
2094 that would require duplication of blocks other than redirection
2097 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2099 * configure.ac: Fix thinko in previous check-in.
2100 * configure: Regenerate.
2102 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2105 * configure.ac (for lang...): Simplify nesting of conditionals.
2106 Test subdir_requires for non-enabled languages. Move processing
2107 of lang_opt_files and lang_tree_fiels below that test.
2108 * configure: Regenerate.
2109 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2111 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2113 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2115 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2117 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2120 2006-06-29 Jason Merrill <jason@redhat.com>
2127 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2128 * c-common.c (c_determine_visibility): Handle it here.
2129 * c-decl.c (finish_decl): Call c_determine_visibility for
2131 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2133 * varasm.c (default_assemble_visibility): Likewise.
2134 * c-common.c (handle_visibility_attribute): Complain about trying
2135 to give visibility to an already defined class, or trying to change
2136 declared visibility. Always attach the attribute.
2141 * attribs.c (decl_attributes): Ignore type-in-place attributes
2142 once the type has been defined.
2144 2006-06-29 Roger Sayle <roger@eyesopen.com>
2147 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2148 to indicate the cpplib has issued an error message for us.
2150 2006-06-29 Asher Langton <langton2@llnl.gov>
2153 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2154 insert a label at the end of an function under Mach-O.
2156 2006-06-29 Eric Christopher <echristo@apple.com>
2157 Evan Cheng <evan.cheng@apple.com>
2159 * predicates.md (vector_all_ones_operand): New.
2160 (nonimmediate_or_sse_const_operand): Ditto.
2161 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2162 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2163 (standard_sse_mode_p): Ditto.
2164 (standard_sse_constant_p): Add case for -1 vector.
2165 (ix86_expand_vector_move): Try to use.
2166 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2167 Call standard_sse_constant_opcode.
2168 (*movv4sf_internal): Ditto.
2169 (*movv2df_internal): Ditto.
2171 2006-06-29 Roger Sayle <roger@eyesopen.com>
2173 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2174 of XEXP to extract the operands of a MATCH_CODE rtx.
2176 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2178 * tree.c (tree_size): Do not waste tail padding in
2179 struct tree_string and make the size be the same as
2180 build_string will generate.
2182 2006-06-28 Jason Merrill <jason@redhat.com>
2185 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2186 may_aliases already in the tag's annotations to the bitmap.
2188 2006-06-28 Roger Sayle <roger@eyesopen.com>
2190 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2192 2006-06-28 Roger Sayle <roger@eyesopen.com>
2194 * genpreds.c (generate_switch_p): New function.
2195 (add_mode_tests): Push the new mode test down inside an AND expr
2196 if this allows the switch-suitable MATCH_CODE to be near the root.
2197 (write_match_code_switch): New function to write a MATCH_CODE as
2199 (write_predicate_stmts): New function to write a predicate RTX
2200 expression as a sequence of statements.
2201 (write_one_predicate_function): Use write_predicate_stmts.
2202 (write_tm_constrs_h): Likewise.
2204 2006-06-26 Fred Fish <fnf@specifix.com>
2206 * config/mips/t-sb1: New file.
2207 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2210 2006-06-26 DJ Delorie <dj@redhat.com>
2212 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2214 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2215 Jayant Sonar <jayants@kpitcummins.com>
2216 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2218 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2219 (subsi3, subsi3_1, subsi3_2): New.
2220 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2221 * config/m32c/mov.md (SI mov peephole): New.
2222 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2223 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2225 2006-06-26 Olivier Hainque <hainque@adacore.com>
2227 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2228 a CALL_EXPR target function declaration.
2230 2006-06-26 Richard Guenther <rguenther@suse.de>
2232 * tree.c (build_string): Do not waste tail padding in
2235 2006-06-26 Richard Guenther <rguenther@suse.de>
2237 * ggc-page.c (init_ggc): Add missing element to size_lookup
2241 2006-06-23 Richard Guenther <rguenther@suse.de>
2243 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2244 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2245 alignment requests instead. Add verification code.
2246 Add struct tree_function_decl and struct tree_binfo size to
2247 extra_order_size_table. Add missing element to size_lookup
2250 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2253 * fold-const.c (const_binop): Be prepared for self returning zero.
2254 Simplify code handling complex values.
2256 2006-06-24 Olivier Hainque <hainque@adacore.com>
2258 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2259 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2262 2006-06-24 Olivier Hainque <hainque@adacore.com>
2264 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2265 ARRAY_REF, so have the callback called for the low bound expression.
2267 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2269 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2270 * c-typeck.c (c_common_type): Disallow operations on decimal float
2271 types and other float types.
2272 * convert.c (convert_to_real): Don't ignore conversions involving
2273 decimal float types.
2275 2006-06-23 Olivier Hainque <hainque@adacore.com>
2277 * tree.c (max_int_size_in_bytes): New function, inspired from
2278 code in function.c:assign_temp.
2279 * tree.h (max_int_size_in_bytes): Declare.
2280 * function.c (assign_temp): Use it.
2281 * gimplify.c (create_tmp_var): Relax the assertions on the type
2282 properties, not mandating constant size any more.
2283 (force_constant_size): New static function.
2284 (gimple_add_tmp_var): Use it, forcing variable size to a
2285 constant upper bound if it is not constant on entry.
2287 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2290 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2291 for initialization and setting of one_only flag to ...
2292 (i386_pe_encode_section_info): ...here.
2293 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2294 Recheck that the symbol has not been defined.
2296 2006-06-23 Richard Guenther <rguenther@suse.de>
2298 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2299 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2300 alignment requests instead. Add verification code.
2301 Add struct tree_function_decl and struct tree_binfo size to
2302 extra_order_size_table. Add missing element to size_lookup
2305 2006-06-22 Roger Sayle <roger@eyesopen.com>
2306 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2309 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2310 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2312 2006-06-23 Ben Elliston <bje@au.ibm.com>
2314 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2315 negate dn -- manipulate it directly.
2317 2006-06-22 Roger Sayle <roger@eyesopen.com>
2318 Steven Bosscher <stevenb.gcc@gmail.com>
2321 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2322 generated by gen_move_insn to add REG_LABEL notes if necessary.
2324 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2326 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2327 (leaf_entry): Remove use of MIN_ESA.
2329 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2331 PR rtl-optimization/28121
2332 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2335 2006-06-21 DJ Delorie <dj@redhat.com>
2337 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2339 (mulhisi3_r): Likewise.
2341 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2344 * coverage.c (coverage_counter_alloc): Leave the index type
2346 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2349 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2351 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2352 section from the "Options for Code Generation Conventions".
2354 2006-06-21 Richard Henderson <rth@redhat.com>
2358 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2360 (global_symbolic_operand): Allow weak symbols, even if local_p.
2362 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2364 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2365 (find_interesting_uses_address): Punt if above function returns true.
2367 2006-06-21 Richard Guenther <rguenther@suse.de>
2369 * configure: Regenerated.
2371 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2373 * config/mips/mips.c (function_arg): Where one part of a
2374 complex argument is in registers and the other part in the stack,
2375 return a REG not a PARALLEL.
2377 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2379 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2380 when cross-compiling. Do not substitute libstdcxx_incdir.
2381 * configure: Regenerated.
2383 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2385 * varasm.c (mergeable_string_section): Check for embedded NULs and
2386 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2387 rather than TREE_STRING_LENGTH bytes.
2389 2006-06-21 Richard Guenther <rguenther@suse.de>
2391 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2392 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2395 2006-06-21 Richrad Guenther <rguenther@suse.de>
2397 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2398 Limit iteration over the dominators.
2400 2006-06-20 Roger Sayle <roger@eyesopen.com>
2402 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2403 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2405 2006-06-20 Richard Guenther <rguenther@suse.de>
2406 Michael Matz <matz@suse.de>
2408 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2410 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2411 * et-forest.h (et_free_pools): Prototype new function.
2412 * et-forest.c (et_free_tree_force): Free parent occurrence.
2413 (et_free_pools): New function.
2414 * dominance.c (free_dominance_info): Free et-forest alloc
2417 2006-06-20 Roger Sayle <roger@eyesopen.com>
2419 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2420 integer modes, attempt to directly construct an integer constant.
2422 * fold-const.c (native_encode_vector): Determine the size of each
2423 element from the vector type instead of the first vector element.
2425 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2426 if all of its elements/components are constant.
2427 (build_constructor_from_list): Likewise.
2429 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2431 PR tree-optimization/27331
2432 * tree-data-ref.c (free_data_ref): New function.
2433 (create_data_ref): Fail if the data reference has unknown access
2435 (free_data_refs): Use free_data_ref.
2437 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2440 * tree-inline.c (setup_one_parameter): Strip useless
2441 type conversion before adding it to the IR.
2442 (declare_return_variable): Likewise.
2444 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2447 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2449 2006-06-19 Mike Stump <mrs@apple.com>
2451 * tree.c (variably_modified_type_p): VM arguments don't make the
2454 2006-06-19 Richard Guenther <rguenther@suse.de>
2456 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2457 type conversions after folding.
2459 2006-06-19 Richard Guenther <rguenther@suse.de>
2461 * ggc-page.c (extra_order_size_tab): Add entries with
2462 size of struct function and basic_block.
2463 (size_lookup): Extend to cover sizes up to 511.
2464 (ggc_alloc_stat): Adjust user.
2465 (ggc_pch_count_object): Likewise.
2466 (ggc_pch_alloc_object): Likewise.
2467 (ggc_pch_write_object): Likewise.
2469 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2471 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2472 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2475 2006-06-19 Denis Chertykov <denisc@overta.ru>
2477 * config/avr/libgcc.S : Correct my wrong previous commit.
2479 2006-06-19 Roger Sayle <roger@eyesopen.com>
2482 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2483 have stripped a SUBREG from the shift count, so we may need to
2484 convert_to_mode back to the type's mode before calling make_tree.
2485 Use new_amount instead of amount to avoid expanding a tree twice.
2487 2006-06-19 Richard Guenther <rguenther@suse.de>
2490 * fold-const.c (operand_equal_p): Check if the argument types
2491 have the same precision before stripping NOPs.
2493 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2495 Fix PR tree-optimization/27341
2496 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2498 * tree-complex.c (pass_lower_complex): Update SMT usage.
2500 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2502 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2503 Add a new alternative to the constraint strings. Add move of
2504 operand 1 to 3 to the splitter definition.
2505 ("doloop_si_long"): Second contraint alternative removed.
2507 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2509 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2510 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2512 (AVR_HAVE_MOVW) Define.
2513 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2514 (ASM_SPEC): Add avr25.
2515 (LINK_SPEC): Add avr25.
2516 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2517 (base_arch_s): Add new member 'have_movw_lpmx'.
2518 (avr_arch_types): Init 'have_movw_lpmx'.
2519 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2520 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2521 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2522 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2523 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2525 (avr_file_start): Do not output '.arh' derective.
2526 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2527 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2528 * config/avr/avr.md (mcu_enhanced): Delete.
2529 (mcu_have_movw): Define.
2530 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2531 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2532 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2533 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2534 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2535 attiny861 and at86rf401 devices.
2537 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2539 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2542 2006-06-17 Karl Berry <karl@gnu.org>
2544 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2545 doc/gccint.texi, doc/install.texi (@dircategory): Use
2546 "Software development" instead of "Programming", following
2547 the Free Software Directory.
2549 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2551 * config/i386/i386.c (legitimate_tls_address)
2552 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2553 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2554 (*tls_dynamic_gnu2_combine_64): Likewise.
2556 2006-06-16 Richard Guenther <rguenther@suse.de>
2559 * fold-const.c (negate_expr_p): Do not introduce undefined
2560 overflow in negating INTEGER_CSTs.
2561 (fold_negate_expr): Rename from negate_expr. Revert last
2562 change for folding BIT_NOT_EXPR. Change semantics to
2563 return NULL_TREE for non-simplified negations. Do not
2564 strip type conversions and unify type handling.
2565 (negate_expr): New function, wrap around fold_negate_expr
2566 but ensure building a tree always. Strip type conversions
2567 here, fold to result type.
2568 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2570 2006-06-16 Roger Sayle <roger@eyesopen.com>
2573 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2574 that (would) return their results in stack registers.
2576 2006-06-16 Michael Matz <matz@suse.de>
2577 Richard Guenther <rguenther@suse.de>
2579 * fold-const.c (fold_truthop): Only return new tree node if
2580 we canonicalized something.
2582 2006-06-16 Richard Guenther <rguenther@suse.de>
2584 * function.h (enum function_frequency): Move declaration
2585 out of struct function.
2586 (struct function): Move bool fields and the enum to the bitfield
2587 section. Reorder elements to avoid padding. Remove unused
2588 fields left over from the RTL inliner removal.
2589 * function.c (free_after_compilation): Do not zero removed fields.
2590 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2591 (ipa-type-escape.o): Likewise.
2593 2006-06-16 Richard Guenther <rguenther@suse.de>
2595 * cgraph.h (struct cgraph_local_info): Turn bool elements
2597 (struct cgraph_node): Likewise.
2598 (struct cgraph_varpool_node): Likewise.
2600 2006-06-15 Richard Guenther <rguenther@suse.de>
2602 * fold-const.c (fold_truth_not_expr): Rename from
2603 invert_truthvalue. Give it fold_* semantics to avoid
2605 (invert_truthvalue): New function. Wrapper around
2606 fold_truth_not_expr.
2607 (optimize_minmax_comparison): Avoid creating garbage.
2608 (fold_unary): Use fold_truth_not_expr for folding
2610 (fold_ternary): Replace uses of invert_truthvalue with
2611 fold_truth_not_expr where applicable.
2612 * tree.h (fold_truth_not_expr): Prototype.
2614 2006-06-16 Richard Guenther <rguenther@suse.de>
2616 PR tree-optimization/27781
2617 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2618 * ipa-pure-const.c (target.h): Include.
2619 (analyze_function): Do not analyze functions that do not
2622 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2625 * tree-dfa.c (referenced_vars_dup_list): Remove.
2626 (find_referenced_vars): Remove assert.
2627 (referenced_var_check_and_insert): Replace dup list with assert.
2628 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2629 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2631 2006-06-15 Richard Guenther <rguenther@suse.de>
2633 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2634 extra unused identifiers if not dumping.
2635 (create_variable_info_for): Likewise.
2637 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2639 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2640 (derive_constant_upper_bound): Derive more precise upper bound in
2641 common cases. Return type changed to double_int.
2642 (record_estimate): Reflect the changed return type of
2643 derive_constant_upper_bound.
2644 * double-int.c (double_int_zext, double_int_sext): Fix.
2646 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2648 * configure.ac (CFLAGS): Get them from the toplevel or from the
2649 configure invocation.
2650 * configure: Regenerate.
2651 * Makefile.in (CFLAGS): Substitute value provided by configure.
2653 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2656 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2657 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2658 rather than calling add_stmt on it.
2659 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2661 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2664 * reload1.c (reload): Remove registers returned by update_eliminables
2665 from used_spill_regs.
2667 2006-06-13 DJ Delorie <dj@redhat.com>
2669 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2671 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2673 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2674 html__strip_dir, html__mkdir_p. Enhance install-html target.
2675 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2676 * configure: Regenerate.
2678 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2680 * fold-const.c (fold_cond_expr_with_comparison): Check for
2681 Objective-C++ as language in deciding COND_EXPR transformation.
2683 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2686 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2687 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2688 * config/sh/lib1funcs.h (SL, SL1): Define.
2689 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2690 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2691 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2692 (OBJS_Os_4_200): New variable.
2693 ($(T)libgcc-Os-4-200.a): Use it.
2694 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2695 when dividing 1 and/or by 0.
2697 2006-06-13 Roger Sayle <roger@eyesopen.com>
2699 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2700 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2701 * configure: Regenerate.
2703 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2705 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2706 for real instruction.
2708 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2711 * haifa-sched.c (check_cfg): Handle special case.
2713 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2716 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2717 Add debug_info parameter. Chain the vars to the BLOCK instead
2718 of the BIND_EXPR if debug info are requested for them.
2719 (pop_gimplify_context): Adjust for above change.
2720 (gimple_add_tmp_var): Likewise.
2721 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2723 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2724 (convert_local_reference): Likewise.
2725 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2726 (finalize_nesting_tree_1): Request that debug info be emitted
2727 for debug_var_chain.
2729 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2731 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2732 for PR target/27863.
2734 2006-06-13 Richard Guenther <rguenther@suse.de>
2737 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2739 2006-06-13 Richard Guenther <rguenther@suse.de>
2741 PR tree-optimization/27830
2742 * tree-inline.c (copy_body_r): For copying the operand
2743 of an ADDR_EXPR make sure to fold &* afterwards.
2745 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2747 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2748 lvalues in the fb_none case with side-effects.
2750 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2752 * tree-flow.h: Remove the prototype for
2753 compute_phi_arg_on_exit.
2754 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2755 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2758 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2760 * builtins.c (expand_builtin_return_addr): Only use
2761 frame_pointer_rtx when count == 0 and we are expanding
2762 __builtin_return_address.
2764 2006-06-12 Fred Fish <fnf@specifix.com>
2766 * config/mips/mips.c (mips_file_start): Create special section
2767 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2769 2006-06-11 Eric Christopher <echristo@apple.com>
2772 * stor-layout.c (place_field): Remove check for
2773 remaining_in_alignment when aligning at the end of a run.
2775 2006-06-11 Eric Christopher <echristo@apple.com>
2778 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2781 2006-06-11 Roger Sayle <roger@eyesopen.com>
2784 Revert incorrect fix for PR target/27158
2785 2006-05-08 Roger Sayle <roger@eyesopen.com>
2786 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2787 of a reg_equiv_constant if the result is a legitimate constant.
2789 2006-06-11 Roger Sayle <roger@eyesopen.com>
2792 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2793 extract a CONST_VECTOR element and interpret it as an integer.
2794 (vspltis_constant): Use const_vector_elt_as_int instead of the
2795 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2796 * config/rs6000/predicates.md (easy_vector_const): Consider
2797 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2799 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2802 * stor-layout.c (update_alignment_for_field): Don't add extra
2803 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2806 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2808 * config/mips/t-rtems: Add EL/EB multilib variants.
2810 2006-06-09 Mike Stump <mrs@apple.com>
2812 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2814 2006-06-09 David Daney <ddaney@avtrex.com>
2816 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2818 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2820 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2822 2006-06-09 Richard Guenther <rguenther@suse.de>
2824 PR tree-optimization/26998
2825 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2826 of signed types, only TYPE_MIN_VALUE is special, but for both,
2827 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2828 in this case, as is -fwrapv.
2830 2006-06-08 Mike Stump <mrs@apple.com>
2833 * config/darwin.c (darwin_asm_output_anchor): Disable
2834 -fsection-anchors on darwin for now.
2835 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2836 * rs6000/rs6000.c (optimization_options): Likewise.
2838 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2841 * config/i386/i386.c (classify_argument): Skip fields with invalid
2844 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2846 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2847 (cse_insn): Likewise for the stack_pointer_rtx.
2849 2006-06-08 Roger Sayle <roger@eyesopen.com>
2851 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2852 conditions from floating point comparisons.
2854 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2857 * expmed.c (struct alg_hash_entry): Fix type of field T
2858 to match synth_mult argument.
2859 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2861 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2864 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2867 2006-06-08 Richard Guenther <rguenther@suse.de>
2870 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2871 only, if overflow is defined and not trapping.
2872 (negate_expr): Likewise.
2874 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2876 PR tree-optimization/27872
2877 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2878 flag on the new exit edge of the unrolled loop.
2880 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2882 PR rtl-optimization/26449
2883 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2885 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2888 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2889 referenced_variables with matching DECL_UID's.
2890 (find_referenced_vars): Make sure duplicate list is empty to start.
2891 (referenced_var_p): Remove.
2892 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2893 Check if var is in the list, and add if needed. Update the duplicate
2894 list if a different var is in the list with the same DECL_UID.
2895 (add_referenced_var): Call routine to check and insert.
2896 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2897 * tree-flow.h (referenced_vars_dup_list): External declaration.
2899 2006-06-07 Fred Fish <fnf@specifix.com>
2901 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2904 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2907 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2908 the imaginary and real parts of a clobbered register.
2909 Emit insn to set the imaginary part.
2911 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2913 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2914 in lieu of unwind-dw2-fde.c.
2916 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2918 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2920 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2923 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2924 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2925 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2926 V4SImode temporaries and operations instead.
2928 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2930 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2933 2006-06-06 Mike Stump <mrs@apple.com>
2935 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2936 installing during build.
2938 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2940 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2942 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2943 * config/ia64/ia64.c (params.h): New header.
2944 (ia64_optimization_options): New function to adjust parameters.
2945 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2946 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2947 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2949 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2951 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2953 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2956 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2958 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2959 Victor Kaplansky <victork@il.ibm.com>
2961 PR tree-optimization/26360
2962 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2965 2006-06-04 Roger Sayle <roger@eyesopen.com>
2966 Andrew Pinski <pinskia@physics.uc.edu>
2969 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2970 for LABEL_DECL before calling DECL_WEAK.
2973 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2974 LABEL_DECL and PARM_DECL.
2976 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2980 * c-decl.c (grokdeclarator): Disallow variably modified types at
2981 file scope. Avoid marking shared array type of constant size as
2984 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2987 * c-common.c (fold_offsetof_1): Handle static members.
2989 2006-06-04 Eric Christopher <echristo@apple.com>
2991 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2992 (debug_rli): Output value for remaining_in_alignment.
2993 (update_alignment_for_field): Unconditionalize
2994 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2995 extra alignment code.
2996 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2997 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2998 * tree.h (record_layout_info_s): Remove prev_packed.
2999 * doc/extend.texi (ms_struct): Add documentation of format.
3001 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3003 * tree.h: Declare folding_initializer.
3004 * builtins.c (fold_builtin_constant_p): Give definite answer
3005 if folding inside an initializer.
3006 * fold-const.c: Define folding_initializer.
3007 (START_FOLD_INIT): Save and then set folding_initializer.
3008 (END_FOLD_INIT): Restore folding_initializer.
3010 2006-06-04 Richard Guenther <rguenther@suse.de>
3012 PR tree-optimization/27039
3013 * fold-const.c (fold_comparison): Handle pointer comparison
3014 again for all comparison codes. Compare offsets in signed
3016 (fold_binary): Move code from here.
3018 2006-06-03 Roger Sayle <roger@eyesopen.com>
3021 * config/i386/i386.c (construct_container): Split static issued_error
3022 flag into issued_sse_arg_error, issued_sse_ret_error and
3023 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3024 requires the use of x87 registers and the user explicitly
3025 specified the -mno-80387 command line option.
3027 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3029 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3030 HAVE_DECL_SIGALTSTACK.
3032 (segv_handler): Use MC_FLD.
3033 * configure.ac: Check for a sigaltstack declaration.
3034 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3035 * configure: Regenerate.
3036 * config.in: Regenerate.
3038 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3041 * Makefile.in (stmp-fixinc): Fix typo.
3043 2006-06-02 Roger Sayle <roger@eyesopen.com>
3045 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3046 are type correct. Clean-up.
3047 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3048 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3050 2006-06-01 DJ Delorie <dj@redhat.com>
3052 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3053 shift, as we've disabled the "switch" insn that needs it.
3055 2006-06-01 Per Bothner <bothner@bothner.com>
3057 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3058 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3059 * c-ppoutput.c (cb_define): Don't increment line 0.
3061 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3063 * doc/invoke.texi: Add cpu_type power6.
3064 * config.gcc: Add cpu_type power6.
3065 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3066 to power5+ with Altivec.
3067 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3068 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3070 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3072 * config/avr/avr.h (SET_ASM_OP): Define.
3074 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3076 * config/bfin/bfin.c: Fix comment typos.
3078 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3081 * doc/install.texi: Document --enable-bootstrap and
3082 --disable-bootstrap.
3084 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3086 * doc/install.texi: Document that InfoZIP can replace jar.
3088 2006-05-31 Roger Sayle <roger@eyesopen.com>
3090 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3091 isn't available, directly generate the simpler x87 patterns without
3092 the (use (const_int 0)).
3093 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3094 implementation isn't available.
3095 (*negdf2_1): Likewise.
3096 (*negxf2_1): XF mode negation is always done using the x87.
3097 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3099 2006-05-31 Roger Sayle <roger@eyesopen.com>
3101 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3102 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3104 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3106 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3108 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3109 * config/bfin/bfin.c (basic-block.h): Include.
3110 (struct machine_function): New.
3111 (bfin_init_machine_status): New.
3112 (override_options): Initialize init_machine_status.
3113 (bfin_hardware_loop): New.
3114 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3115 (DEF_VEC_P (loop_info)): New.
3116 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3117 (struct loop_info): New.
3118 (loop_info): New typedef.
3119 (struct loop_work): New.
3120 (loop_work): New typedef.
3121 (DEF_VEC_O (loop_work)): New.
3122 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3123 (bfin_dump_loops): New.
3124 (bfin_bb_in_loop): New.
3125 (bfin_scan_loop): New.
3126 (bfin_optimize_loop): New.
3127 (bfin_reorg_loops): New.
3128 (bfin_reorg): Use bfin_reorg_loops.
3129 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3131 (I_REGNO_P): Simplify.
3132 (DP_REGNO_P, DPREG_P): New macros.
3133 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3134 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3135 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3136 Add LT_REGS, LC_REGS, LB_REGS.
3137 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3139 (REGNO_REG_CLASS): Deal with loop registers.
3140 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3142 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3143 New constants for loop registers.
3144 (UNSPEC_LSETUP_END): New.
3145 (seq_insns): New define_attr. Set it for appropriate insns.
3146 (movsi_insn): Add alternatives for move from/to
3147 loop count registers.
3148 (doloop_end): New define_expand.
3149 (loop_end): New define_insn.
3150 (define_split for bad doloop_end): New.
3151 (lsetup_with_autoinit): New define_insn.
3152 (lsetup_without_autoinit): New define_insn.
3153 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3154 * config/bfin/predicates.md (lc_register_operand): New.
3155 (lt_register_operand): New.
3156 (lb_register_operand): New.
3157 (nondp_register_operand): New.
3158 (nondp_reg_or_memory_operand): New.
3159 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3161 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3163 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3164 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3166 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3168 * Makefile.in (CATALOGS): Add po/ prefix.
3169 * configure: Regenerated.
3171 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3174 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3175 a shift operand before calling shift_op. Avoid redundant call of
3178 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3179 DJ Delorie <dj@redhat.com>
3181 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3182 we're inserting is a singlt-bit constant.
3184 2006-05-30 Roger Sayle <roger@eyesopen.com>
3186 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3187 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3189 2006-05-30 Roger Sayle <roger@eyesopen.com>
3191 PR tree-optimization/23452
3192 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3193 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3194 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3195 complex values and with -ffast-math for FP complex values.
3197 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3199 * c-common.h: Remove the prototype for yyparse.
3200 * rtl.h: Remove the prototype for init_loop.
3202 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3204 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3207 2006-05-30 Roger Sayle <roger@eyesopen.com>
3209 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3211 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3212 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3214 2006-05-30 Dirk Mueller <dmueller@suse.de>
3217 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3218 for CONSTANT_CLASS_P expresisons.
3220 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3223 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3225 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3227 PR tree-optimization/27779
3228 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3229 initial_condition instead of CHREC_LEFT.
3231 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3233 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3234 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3235 Make prototypes ISO C90.
3237 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3238 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3240 * see.c (see_analyze_one_def): Correct check.
3241 (see_get_extension_data): Check if extension is parallel.
3242 (see_get_extension_reg): Likewise.
3244 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3247 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3248 into register for (code == GTU).
3250 2006-05-29 Roger Sayle <roger@eyesopen.com>
3252 PR tree-optimization/24964
3253 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3254 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3255 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3256 abs(x)*abs(x) as x*x for scalar floating point modes.
3258 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3261 * lambda-code.c (perfect_nestify): Don't copy statements
3262 in the inner loop: move them to the inner loop header.
3264 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3267 * c-tree.texi: Document OpenMP directives and clauses.
3269 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3271 * varasm.c (globalize_decl): Fix indentation.
3273 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3276 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3277 pass_fre, pass_store_ccp, pass_copy_prop,
3278 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3279 pass_return_slot, pass_object_size, pass_lim,
3280 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3281 pass_loop_prefetch and pass_stdarg.
3283 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3285 * config/bfin/bfin.opt (mfdpic): New option.
3286 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3287 (EXTRA_MULTILIB_PARTS): Likewise.
3288 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3289 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3291 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3292 (CRT_CALL_STATIC_FUNCTION): New.
3293 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3295 (CRT_CALL_STATIC_FUNCTION): New.
3296 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3298 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3299 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3300 (initialize_trampoline): Changed to handle FD-PIC code generation.
3301 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3302 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3303 (override_options): Disallow -mid-shared-library -mfdpic combination.
3304 Can't do unaligned ops if FD-PIC.
3305 Turn off flag_pic if trying to generate non-id-shared-library
3306 non-fdpic code, since it's not supported.
3307 (bfin_assemble_integer): New function.
3308 (TARGET_ASM_INTEGER): Define.
3309 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3311 * config/bfin/crtn.s: Restore them.
3312 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3314 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3315 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3316 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3317 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3318 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3320 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3321 FDPIC_REGS and FDPIC_FPTR_REGS.
3322 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3323 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3324 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3325 (load_funcdescsi): New pattern.
3326 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3327 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3328 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3330 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3332 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3335 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3337 * tree-flow.h: Remove the prototype for add_type_alias.
3338 * tree-ssa-alias.c (add_type_alias): Remove.
3340 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3342 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3343 config/fr30/fr30.md, config/i386/i386-interix.h,
3344 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3345 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3346 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3347 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3348 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3349 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3350 Follow spelling conventions.
3351 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3352 Follow spelling conventions.
3354 2006-05-27 Richard Guenther <rguenther@suse.de>
3357 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3358 to produce a constant of value 1 of generic type.
3360 2006-05-27 Dirk Mueller <dmueller@suse.de>
3362 * cgraphunit.c (decide_is_function_needed): Fix wrong
3365 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3367 PR rtl-optimization/27661
3368 * reload.c (find_reloads): When reloading a VOIDmode constant
3369 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3370 use Pmode as mode of the reload register.
3372 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3374 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3375 is enabled at -O and above.
3377 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3380 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3383 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3386 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3387 for anonymous variables explicitly declared by front ends.
3389 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3391 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3392 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3393 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3394 ref-all pointers, run a finalization pass for them.
3395 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3396 (finalize_ref_all_pointers): New function.
3397 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3398 regular pointer type to a ref-all pointer type.
3399 (get_tmt_for): Return the special memory tag for ref-all pointers.
3401 2006-05-25 Richard Guenther <rguenther@suse.de>
3404 * fold-const.c (fold_binary): Do not look at the stripped
3405 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3407 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3409 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3410 for LT and GT if the computed range is effectively empty.
3412 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3415 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3416 mips_quad_format formats instead of ieee_single_format,
3417 ieee_double_format and ieee_quad_format formats, respectively.
3419 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3421 PR tree-optimization/27639
3422 PR tree-optimization/26719
3423 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3424 call to scev_probably_wraps_p.
3425 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3426 used_in_pointer_arithmetic_p, convert_step): Removed.
3427 (nowrap_type_p): New function.
3428 (scev_probably_wraps_p): Rewritten.
3429 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3430 chrec_convert if chrec_convert_aggressive might have been used.
3431 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3432 scev_direction): New functions.
3433 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3434 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3435 instead of convert_step.
3436 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3437 (convert_step): Declaration removed.
3438 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3440 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3442 * df-core.c: Added to header comments.
3443 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3444 df_ur_bb_info, df_urec_bb_info): Added comments.
3445 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3446 urec, ri problems): Fixed header comments.
3447 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3448 code from df_rd_transfer_function.
3450 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3452 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3453 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3454 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3456 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3458 * expr.c (undefined_operand_subword_p): New.
3459 (emit_move_multi_word): Do not generate move from undefined bits
3460 of a paradoxical subreg.
3462 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3464 PR rtl-optimization/27736
3465 * combine.c (replaced_rhs_value): New variable.
3466 (combine_instructions): Set it.
3467 (distribute_notes): When distributing a note in replaced_rhs_insn,
3468 check whether the value was used in replaced_rhs_value.
3470 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3473 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3474 add_referenced_var instead of add_referenced_tmp_var.
3475 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3476 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3478 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3479 tree_optimize_tail_calls_1): Use add_referenced_var.
3480 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3481 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3482 Use add_referenced_var.
3483 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3484 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3485 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3486 Use add_referenced_var.
3487 * tree-dfa.c (struct walk_state): Remove.
3488 (find_referenced_vars): Remove walk state and vars_found hash table.
3489 (make_rename_temp): Use add_referenced_var.
3490 (find_vars_r): Pass less parameters to add_referenced_var.
3491 (referenced_var_p): New. Is var in referenced_var hash table.
3492 (referenced_var_insert): Assert var isn't already in hash table.
3493 (add_referenced_var): Don't need walk_state parameter. Add var if it
3494 isn't already in the hash table.
3495 (add_referenced_tmp_var): Remove.
3496 (find_new_referenced_vars_1): Use add_referenced_var.
3497 * tree-ssa-pre.c (create_expression_by_pieces,
3498 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3499 Use add_referenced_var.
3500 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3501 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3502 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3504 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3505 vect_create_data_ref_ptr, vect_create_destination_var,
3506 vect_init_vector, vect_build_loop_niters,
3507 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3508 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3509 Use add_referenced_var.
3510 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3511 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3512 (add_referenced_var): Add prototype.
3513 * tree-ssa-structalias.c (get_constraint_for,
3514 intra_create_variable_infos): Use add_referenced_var.
3516 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3518 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3519 big-endian paradoxical subregs.
3520 * var-tracking.c (struct micro_operation_def): Document that,
3521 for modify micro operations, insn is the subsequent instruction.
3522 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3523 (var_reg_set, var_mem_set): ... new functions.
3524 (add_stores): Record subsequent insn.
3525 (compute_bb_dataflow): Use new functions for MO_USE.
3526 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3527 notes after the insn, and modify notes before the insn known
3528 to be the subsequent one.
3529 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3531 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3534 * config/i386/i386.c (ix86_expand_builtin): Use
3535 gen_sse3_monitor64 for TARGET_64BIT.
3537 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3539 PR rtl-optimization/26375
3540 PR rtl-optimization/26855
3541 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3543 (df_ru_bb_local_compute): Reversed statements and removed bogus
3544 comment explaining why they should be in wrong order.
3545 (df_ru_dump, df_rd_dump): Enhanced debug info.
3546 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3548 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3549 reaching uses and fixed space problem.
3551 2006-05-23 Jan Hubicka <jh@suse.cz>
3553 * cgraphunit.c (decide_is_function_needed): Also nested functions
3554 and functions declared inline can be optimized out at -O0.
3556 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3558 * doc/install.texi (Configuration): Remove reference to CrossGCC
3562 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3565 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3566 ix86_compare_emitted is non-NULL.
3568 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3571 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3574 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3576 PR rtl-optimization/25514
3577 * combine.c (replaced_rhs_insn): New variable.
3578 (combine_instructions): Set replaced_rhs_insn when trying to replace
3579 a SET_SRC with a REG_EQUAL note.
3580 (distribute_notes): Use replaced_rhs_insn when determining the live
3581 range of a REG_DEAD register.
3583 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3584 Anatoly Sokolov <aesok@post.ru>
3586 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3587 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3588 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3589 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3590 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3591 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3592 at90usb647, at90usb1286 and at90usb1287 devices.
3593 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3594 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3596 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3598 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3600 2006-05-22 Richard Guenther <rguenther@suse.de>
3603 2006-01-31 Richard Guenther <rguenther@suse.de>
3604 Paolo Bonzini <bonzini@gnu.org>
3606 * doc/install.texi (--disable-libgcc-math): Document.
3608 2006-05-22 Richard Guenther <rguenther@suse.de>
3611 2006-01-31 Richard Guenther <rguenther@suse.de>
3613 * doc/invoke.texi (-msselibm): Document.
3614 * target.h (expand_library_builtin): New target hook.
3615 * builtins.c (expand_builtin): Use expand_library_builtin.
3616 (default_expand_library_builtin): New function.
3617 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3618 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3619 (link_gcc_math_spec): Declare.
3620 (static_specs): Add link_gcc_math_spec.
3621 * expr.h (default_expand_library_builtin): Declare.
3622 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3623 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3624 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3625 * config/i386/i386.opt (msselibm): New target option.
3626 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3627 (ix86_init_sse_abi_builtins): New function.
3628 (ix86_expand_library_builtin): Likewise.
3629 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3630 (override_options): Handle error conditions wrt -msselibm.
3631 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3632 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3633 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3636 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3639 * c-common.c (self_promoting_args_p): Skip erroneous args.
3642 * c-decl.c (finish_struct): Skip erroneous fields.
3644 2006-05-22 Nick Clifton <nickc@redhat.com>
3646 * config/cris/cris.opt (march): Remove VarExists attribute.
3647 (max-stackframe=): Likewise.
3649 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3651 * doc/rtl.texi: Fix a typo.
3652 * see.c: Fix comment typos.
3654 * tree-ssa-structalias.h (alias_info): Remove num_references.
3656 2006-05-21 Mike Stump <mrs@apple.com>
3658 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3660 (darwin_pragma_options): Use BAD instead.
3661 (darwin_pragma_unused): Likewise.
3662 (darwin_pragma_ms_struct): Likewise.
3664 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3666 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3668 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3670 PR rtl-optimization/27671
3671 * simplify-rtx.c (simplify_relational_operation_1): Fix
3672 simplifications of (eq/ne (xor x y) y) and
3673 (eq/ne (xor x y) x).
3675 PR tree-optimization/26622.
3676 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3679 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3681 * tree-cfg.c: Prune whitespace.
3682 (debug_tree_cfg): Point to correct header containing the
3685 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3688 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3690 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3693 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3694 or sorry count is non zero.
3696 2006-05-20 Andreas Schwab <schwab@suse.de>
3698 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3700 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3701 Kenneth Zadeck <zadeck@naturalbridge.com>
3703 PR rtl-optimization/26855
3705 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3707 (df_scan_alloc): Added code to properly handle multiword hard
3708 registers and add all_blocks parameter.
3709 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3710 code to properly handle multiword hard registers.
3711 (df_rescan_blocks): Added code to remove deleted blocks from
3713 (df_ref_create_structure, df_ref_record): Added code to properly
3715 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3716 and set DF_REF_PARTIAL.
3717 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3718 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3719 (df_scan_add_problem): Added flags parameter.
3720 (df_ref_create_structure): Changed switching structure.
3721 (df_bb_refs_record): Fixed case where duplicate artificial refs
3722 were created. Changed location of flags.
3723 (df_record_entry_block_defs): Added code to make stack pointer
3724 live in entry block. Refined cases where frame pointer is needed.
3725 Changed location of flags.
3726 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3727 (df_set_state): Removed function.
3728 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3729 df_insn_create_insn_record, df_insn_refs_delete,
3730 df_ref_create_structure): Formatting changes.
3731 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3732 df_delete_basic_block): New function.
3733 (df_init): Changed location of flags.
3734 (df_add_problem): Added flags parameter and the way flags are
3736 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3737 debug_df_chain): Improved debugging output.
3738 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3739 (df_refs_chain_dump): Removed df parameter.
3740 (df_iterative_dataflow): Added consistency check.
3741 (df_prune_to_subcfg): Made public.
3742 (df_analyze_problem): Added blocks_to_init parameter and made
3744 (df_ref_record, df_bb_refs_record, df_mark_reg,
3745 df_record_exit_block_uses): Whitespace changes.
3746 (df_dump): Whitespace changes.
3747 * df.h: Some reordering to remove forward references.
3748 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3749 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3750 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3751 (dataflow.flags): New field.
3752 (df.flag): Deleted field.
3753 (df_alloc_function): Added additional bitmap parameter.
3754 (df_dependent_problem_function): New type.
3755 (df_problem.changeable_flags): New field.
3756 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3757 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3758 (df_mw_hardreg): New struct.
3759 (DF_INSN_UID_MWS): New macro.
3760 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3762 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3763 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3764 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3765 (df_set_state): Removed function.
3766 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3767 * df-problems.c (df_chain_dump): Removed df parameter.
3768 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3769 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3771 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3772 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3773 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3774 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3775 DF_REF_MUST_CLOBBER cases.
3776 (df_ru_bb_local_compute_process_def,
3777 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3778 df_lr_bb_local_compute, df_ur_bb_local_compute,
3779 df_chain_create_bb): Made subreg aware.
3780 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3781 df_lr_bb_local_compute, df_lr_bb_local_compute,
3782 df_chain_create_bb): Cleanup to use proper macros.
3783 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3784 code to fixup bitvectors.
3785 (df_ri_alloc): Cleared lifetime.
3786 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3787 df_create_unused_note): New function.
3788 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3789 REG_DEAD and REG_UNUSED notes as well as register information.
3790 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3791 df_chains_dump): Fixed crash if problem was never run.
3792 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3793 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3794 df_ri_add_problem): Processes flags in uniform manner.
3795 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3796 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3797 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3798 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3799 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3800 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3801 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3802 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3803 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3804 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3805 * see.c (see_initialize_data): Ditto.
3806 * final.c (rest_of_clean_state) Added regstack_completed.
3807 * rtl.h (regstack_completed): Ditto.
3808 * reg-stack.c (regstack_completed): Ditto.
3810 2006-05-19 Mike Stump <mrs@apple.com>
3812 * c-tree.h (default_conversion): Remove.
3813 * c-common.h (default_conversion): Add.
3815 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3817 * tree-vrp.c (valid_value_p): New function.
3818 (adjust_range_with_scev): Fail if the value of bound is not
3821 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3823 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3824 (mips_fallback_frame_state): Use syscall numbers to determine
3825 the appropriate li instruction for the current ABI. Only use
3826 __NR_sigreturn for o32.
3828 2006-05-19 Nicolas Setton <setton@adacore.com>
3830 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3831 * langhooks.c (lhd_dwarf_name): New function.
3832 * langhooks-def.h (lhd_dwarf_name): Declare.
3833 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3834 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3835 * ada/misc.c (gnat_dwarf_name): New function.
3836 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3838 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3840 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3842 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3843 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3844 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3845 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3846 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3847 determine the size of Wtype, etc.
3848 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3849 (swfloatfuncs): New variable.
3850 (dwfloatfuncs): Likewise.
3851 (lib2funcs): Remove floating-point conversion functions from
3852 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3853 the set of conversion routines needed. Allow entries to specify
3854 an object name, filename and word size. Update users accordingly.
3855 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3856 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3860 2006-02-08 Roger Sayle <roger@eyesopen.com>
3863 * config/fixtfdi.c: New libgcc source file.
3864 * config/fixunstfdi.c: New source file.
3865 * config/floatditf.c: New source file.
3866 * config/floatunditf.c: New souce file.
3867 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3868 files above instead of config/mips/_tilib.c.
3869 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3871 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3873 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3874 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3876 2006-05-18 Mike Stump <mrs@apple.com>
3878 Fix up vla, vm and [*] sematics.
3884 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3885 (c_vla_unspec_p): Add.
3886 (c_vla_type_p): Add.
3887 * c-decl.c (struct c_scope): Add had_vla_unspec.
3888 (build_array_declarator): Add support for [*].
3889 (grokdeclarator): Likewise.
3890 (grokparms): Likewise.
3891 (get_parm_info): Likewise.
3892 * c-objc-common.c (c_vla_unspec_p): Likewise.
3893 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3894 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3895 typeof when argument is a variably modified type not inside sizeof or alignof.
3896 (c_parser_direct_declarator_inner): Propagate errors.
3897 (c_parser_sizeof_expression): Add support for [*].
3898 (c_parser_parms_declarator): Initialize had_vla_unspec.
3899 (c_parser_parms_list_declarator): Likewise.
3900 * c-typeck.c (c_vla_type_p): Add.
3901 (composite_type): Add support for vla compositing.
3902 (comptypes_internal): Add support for vla compatibility.
3903 (c_expr_sizeof_expr): Evaluate vla arguments.
3904 * tree.c (variably_modified_type_p): Update comment for [*].
3906 2006-05-18 Michael Matz <matz@suse.de>
3909 * config.host: Make assignments to host_xmake_file cumulative.
3910 * config.host (*-darwin*): Test $host, not $target.
3912 2006-05-12 Stuart Hastings <stuart@apple.com>
3914 * config/i386/i386.opt (-mstackrealign): New flag.
3915 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3916 (ix86_handle_cconv_attribute): Emit error when
3917 force_align_arg_pointer attribute collides with too many regparms.
3918 (ix86_function_regparm): Limit regparms when used with
3919 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3920 Support stack-realigning prologue in non-main functions. Emit
3921 warning for nested functions under -mstackrealign, emit error for
3922 nested functions with force_align_arg_pointer attribute.
3923 * doc/extend.texi (force_align_arg_pointer): Document it.
3924 * doc/invoke.texi (-mstackrealign): Document it.
3926 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3928 PR rtl-optimization/27477
3929 * combine.c (try_combine): Don't split a parallel consisting
3930 of two sets into two individual sets if both sets reference
3933 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3935 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3936 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3938 * doc/options.texi (VarExists): Updated.
3940 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3942 * unwind-dw2.c: Add declarations for uw_update_context and
3944 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3945 detected, advance frame state and context once to skip over stub.
3947 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3951 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3952 Call rewrite_into_loop_closed_ssa only when something changed.
3953 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3954 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3955 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3956 Test for perfect_nest_p here. Fix formating.
3957 (replace_uses_equiv_to_x_with_y): Fix formating.
3958 (stmt_uses_op): Removed.
3959 (can_convert_to_perfect_nest): Removed loopivs parameter.
3960 Complete the test by checking the scalar dependences.
3961 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3964 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3967 From Dan Kegel <dank@kegel.com>:
3968 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3970 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3972 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3973 if the element type is variably modified without recursing.
3975 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3978 * tree-loop-linear.c (try_interchange_loops): Test for
3979 no data dependences.
3981 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3983 PR tree-optimization/27548
3984 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3985 range of ssa names that appear on abnormal edges.
3986 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3987 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3989 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3992 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3994 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3997 * tree.h (OMP_PARALLEL_COMBINED): Define.
3998 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3999 (new_omp_context): Add is_combined_parallel argument.
4000 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4001 new_omp_context caller.
4002 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4003 Adjust gimplify_scan_omp_clauses callers.
4004 (omp_is_private): Issue errors if iteration variable is firstprivate
4005 or reduction in the current context.
4006 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4007 on combined parallel workshare constructs.
4009 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4011 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4012 (gcc-options.o): New rule.
4014 * optc-gen.awk: Protect variables for gcc-options.o with
4015 #ifdef GCC_DRIVER/#endif.
4017 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4019 Fix PR tree-optimization/27373
4020 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4021 (forward_propagate_addr_expr): Update call.
4023 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4025 * doc/options.texi: Move the Negative option.
4027 2006-05-16 Richard Guenther <rguenther@suse.de>
4029 PR tree-optimization/22303
4030 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4032 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4033 ccp_fold did not simplify the statement.
4035 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4038 * Makefile.in (GCC_OBJS): New.
4039 (OBJS-common): Add opts-common.o.
4040 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4041 (cpp$(exeext)): Likewise.
4042 (gcc.o): Also depend on opts.h.
4043 (opts-common.o): New.
4045 * common.opt (gcoff): Add Negative(gdwarf-2).
4046 (gdwarf-2): Add Negative(gstabs).
4047 (gstabs): Add Negative(gstabs+).
4048 (gstabs+): Add Negative(gvms).
4049 (gvms): Add Negative(gxcoff).
4050 (gxcoff): Add Negative(gxcoff+).
4051 (gxcoff+): Add Negative(gcoff).
4052 * config/i386/i386.opt (m32): Add Negative(m64).
4053 (m64): Add Negative(m32).
4055 * doc/options.texi: Document the Negative option.
4057 * gcc.c: Include "opts.h".
4058 (main): Call prune_options after expandargv.
4060 * optc-gen.awk: Generate common declarations for all flag
4061 variables in options.c. Output the neg_index field.
4063 * opts.c (find_opt): Moved to ...
4064 * opts-common.c: Here. New file.
4066 * opts.h (cl_option): Add a neg_index field.
4068 (prune_options): Likewise.
4070 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4073 * omp-low.c (expand_omp_parallel): Don't assert
4074 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4075 instead search for it.
4078 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4081 2006-05-16 Andreas Schwab <schwab@suse.de>
4083 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4086 2006-05-15 Roger Sayle <roger@eyesopen.com>
4089 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4090 integer constants other than zero are only legitimate on TARGET_64BIT.
4091 <CONST_VECTOR> Only zero vectors are legitimate.
4092 (ix86_cannot_force_const_mem): Integral and vector constants can
4093 always be put in the constant pool.
4095 2006-05-16 DJ Delorie <dj@redhat.com>
4097 * crtstuff.c (__dso_handle): Set section from
4098 TARGET_LBIGCC_SDATA_SECTION if defined.
4099 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4100 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4102 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4105 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4108 2006-05-16 Ben Elliston <bje@au.ibm.com>
4110 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4112 2006-05-15 Per Bothner <per@bothner.com>
4114 * tree.c: (last_annotated_node): Use source_locus typedef.
4115 This permits bootstrapping with --enable-mapped-location.
4117 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4119 PR tree-optimization/26830
4120 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4121 (info_for_ssa_name, current_info_for_ssa_name_age,
4122 blocks_to_update): New variables.
4123 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4124 (clear_ssa_name_info, initialize_flags_in_bb,
4125 mark_block_for_update): New functions.
4126 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4127 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4128 prepare_def_site_for): Use mark_block_for_update.
4129 (mark_def_interesting): Assert that the processed block is marked in
4130 blocks_to_update. Do not take blocks argument.
4131 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4133 (rewrite_update_init_block, rewrite_update_stmt): Only process
4134 blocks with statements to rewrite.
4135 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4136 (update_ssa): Initialize and free blocks_to_update. Do not
4137 clear flags on statements. Do not use blocks bitmap.
4138 * tree.h (SSA_NAME_AUX): Removed.
4139 (struct tree_ssa_name): Removed aux field.
4140 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4142 2006-05-15 Richard Guenther <rguenther@suse.de>
4144 PR tree-optimization/27603
4145 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4146 Do computations in original type.
4148 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4150 * see.c: Code style changes such as redundant paranthesis,
4151 redundant intialization of local variables etc.
4152 (see_main): Declared now as static.
4153 * doc/invoke.texi: Update that -fsee is not enabled by
4156 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4158 * omp-low.c (check_omp_nesting_restrictions): New function.
4159 (scan_omp_1): Call it.
4162 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4163 construct, return *VAR.
4165 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4167 PR rtl-optimization/27406
4168 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4171 2006-05-14 Roger Sayle <roger@eyesopen.com>
4173 PR rtl-optimization/27538
4174 * combine.c (expand_compound_operation): Call gen_lowpart
4175 before calling simplify_shift_const.
4177 2006-05-14 Roger Sayle <roger@eyesopen.com>
4179 PR rtl-optimization/22563
4180 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4181 a fixed width bitfield, always force the intermediates into psuedos.
4183 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4186 * mkconfig.sh: Use operator = instead of == for test.
4188 2006-05-13 Nick Clifton <nickc@redhat.com>
4190 * dwarf2out.c (dbx_reg_number): Check return value from
4191 LEAF_REG_REMAP and only use it if it is valid.
4192 (multiple_reg_loc_descriptor): Likewise.
4194 2006-05-13 Richard Guenther <rguenther@suse.de>
4196 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4199 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4201 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4202 information attached to non-INSNs such as NOTEs.
4203 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4205 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4207 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4209 * config/s390/s390.md: Adjust comment describing On constraint.
4211 2006-05-11 Jan Hubicka <jh@suse.cz>
4213 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4214 to be output at -O0.
4216 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4219 * fold-const.c (size_binop): Move sanity check for arguments to
4220 the beginning of the function.
4223 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4226 2006-05-11 Richard Guenther <rguenther@suse.de>
4229 * fold-const.c (fold_unary): Handle intermediate conversion
4230 to a pointer type like intermediate conversion to an integer
4231 type in folding of (T1)(T2)var to var.
4232 Match the code to the comment in the final conversion for
4233 (T1)(T2)var to (T1)var regarding to type precision. Rather
4234 than disallow T1 being of pointer type, assert that both T1
4235 and var are of pointer type or not. Make sure not to fall
4236 over the frontends lazyness wrt array to pointer decay though.
4238 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4240 * arm.c (arm_struct_value_rtx): Delete.
4241 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4242 (arm_init_cumulative_args): Always initialize nregs to zero.
4244 2006-05-10 Richard Guenther <rguenther@suse.de>
4246 PR tree-optimization/27532
4247 * tree-object-size.c (plus_expr_object_size): Fix typo.
4249 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4252 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4253 ashrdi_const, ashrdi3): Use a scratch register.
4255 2006-05-10 Richard Guenther <rguenther@suse.de>
4257 PR tree-optimization/27302
4258 * fold-const.c (operand_equal_p): For two comparisons,
4259 try comparison of one comparison code swapped if that yields
4262 2006-05-10 Ben Elliston <bje@au.ibm.com>
4264 * tree-pretty-print.c (pretty_print_string): No need to handle
4265 '\0' as a special character.
4267 * tree.h: Include "hashtab.h".
4268 (iterative_hash_expr): Use hashval_t in its prototype.
4269 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4271 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4274 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4275 (hppa*64*-*-hpux11*): Ditto.
4276 (hppa[12]*-*-hpux11*): Ditto.
4278 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4281 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4283 2006-05-09 Michael Matz <matz@suse.de>
4285 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4286 host_extra_gcc_objs and host_xmake_file.
4287 (<*-*-linux*>): Don't overwrite host_xmake_file.
4288 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4289 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4290 (host_detect_local_cpu): Declare.
4291 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4292 * config/i386/i386.c (override_options): Handle -mtune=native
4294 * config/i386/x-i386: New file.
4295 * config/i386/driver-i386.c: New file.
4296 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4299 2006-05-09 Dirk Mueller <dmueller@suse.de>
4300 Richard Guenther <rguenther@suse.de>
4303 * fold-const.c (fold_read_from_constant_string): Relax check
4304 for matching types to matching modes.
4306 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4308 PR rtl-optimization/27335
4309 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4312 2006-05-08 Chao-ying Fu <fu@mips.com>
4313 Richard Sandiford <richard@codesourcery.com>
4315 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4316 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4317 * config/mips/mips.md (UNSPEC_SCC): New constant.
4318 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4319 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4320 (mips_emit_compare): Use it.
4321 (mips_expand_vcondv2sf): New function.
4323 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4325 Fix PR tree-optimization/27093
4326 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4327 renaming when they become not-used_alone.
4329 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4331 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4332 relocation and relocation stubs.
4334 2006-05-08 Eric Christopher <echristo@apple.com>
4336 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4339 2006-05-08 Jan Hubicka <jh@suse.cz>
4342 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4343 unused static functions are needed.
4345 2006-05-08 Roger Sayle <roger@eyesopen.com>
4348 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4349 of a reg_equiv_constant if the result is a legitimate constant.
4351 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4354 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4355 standard 80387 constants, raise the cost to prevent
4356 compress_float_constant() to generate load from memory.
4358 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4360 * config/arm/constraints.md (c): Fix a typo.
4362 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4365 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4368 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4370 (_mm_mwait): Likewise.
4372 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4374 (sse3_monitor): Make it 32bit only.
4375 (sse3_monitor64): New. 64bit monitor.
4377 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4380 * config/i386/i386.c (classify_argument): Skip fields with invalid
4383 2006-05-07 Richard Guenther <rguenther@suse.de>
4385 PR tree-optimization/27409
4386 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4387 Do not try to find zero-sized subvars.
4389 2006-05-07 Richard Guenther <rguenther@suse.de>
4391 PR tree-optimization/27136
4392 * tree-ssa-loop-niter.c (get_val_for): Correct function
4393 comment, assert requirements.
4394 (loop_niter_by_eval): Stop processing if the iterated
4395 value did not simplify.
4397 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4399 * opts.c (flag_see): remove its setting at -O3.
4401 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4403 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4404 * arm/constraints.md: New file.
4405 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4406 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4407 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4408 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4409 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4410 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4411 * arm.md: Include constraints.md.
4412 (thumb_movsi_insn): Use satisfies_constraint_J.
4413 (movhi, movqi): Use satisfies_constraint_I.
4415 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4417 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4418 for atmeg a645 device.
4420 2006-05-06 Richard Guenther <rguenther@suse.de>
4422 PR tree-optimization/27151
4423 * tree-vect-transform.c (vectorizable_condition): Punt on
4424 values that have a different type than the condition.
4426 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4429 * c-parser.c (c_parser_cast_expression): Only insert casts into
4430 hash table if pointer.
4431 * function.c (used_types_insert_helper): Rename from
4433 (used_types_insert): Call used_types_insert_helper.
4434 * function.h (used_types_insert): Accept only one argument.
4436 2006-05-05 David Edelsohn <edesohn@gnu.org>
4438 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4439 scratch with output modifier.
4441 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4444 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4445 with output modifier.
4447 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4450 * config/mips/mips.c (mips_symbolic_address_p): Return true
4451 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4452 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4454 2006-05-04 Richard Guenther <rguenther@suse.de>
4456 PR tree-optimization/14287
4457 PR tree-optimization/14844
4458 PR tree-optimization/19792
4459 PR tree-optimization/21608
4460 PR tree-optimization/27090
4461 * tree-ssa-pre.c (try_combine_conversion): New function.
4462 (compute_avail): After constructing the value-handle
4463 expression, use try_combine_conversion to combine NOP_EXPRs
4464 with previous value-handle expressions and use the result if it
4467 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4469 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4471 2006-05-04 Jan Hubicka <jh@suse.cz>
4474 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4476 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4478 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4479 that this only matches CONST_INTs. All users changed to VOIDmode
4482 * config/bfin/bfin.c: Include "optabs.h".
4483 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4485 (enum bfin_builtins): Add a number of fractional and vector builtins.
4486 (bfin_init_builtins): Likewise.
4487 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4488 (safe_vector_operand, bfin_expand_binop_builtin,
4489 bfin_expand_unop_builtin): New functions.
4490 (bfin_expand_builtin): Handle the new builtins.
4491 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4494 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4497 * Makefile.in (OBJS-common): Add see.o.
4498 (see.o): Add dependencies.
4499 * common.opt (fsee): New flag for the see optimization was added.
4500 * opts.c (flag_see): Initialized.
4501 * passes.c (init_optimization_passes, pass_see): New pass.
4502 * rtl.h (see_main): Declaration as extern.
4503 * timevar.def (TV_SEE): New.
4504 * tree-pass.h (pass_see): Declaration as extern.
4505 * invoke.texi (-fsee): Document.
4506 * recog.c (validate_simplify_insn): New function.
4507 * recog.h (validate_simplify_insn): Declaration as extern.
4508 * df-problems.c (df_chain_dump): Check for NULL.
4510 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4511 Daniel Berlin <dberlin@dberlin.org>
4513 * cfgrtl.c (insert_insn_bb_end_new): New function.
4514 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4516 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4518 * df.h (struct web_entry): Moved from web.c.
4519 (union_defs): Declaration as extern.
4520 (unionfind_root): Likewise.
4521 (unionfind_union): Likewise.
4522 * web.c (struct web_entry): Moved to df.h.
4523 (unionfind_root): Remove static declaration.
4524 (unionfind_union): Likewise.
4525 (union_defs): Likewise and generalize to use callback function.
4526 (web_main): Update arguments for union_defs function call.
4528 2006-05-04 Richard Guenther <rguenther@suse.de>
4530 PR tree-optimization/26447
4531 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4532 produce SSA_NAME copies before the store stmt to avoid
4533 breaking exception handling.
4535 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4538 * gimplify.c (omp_is_private): If var is shared in some outer context,
4539 return false instead of true. Stop searching on parallel context
4542 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4545 * coverage.c: Use get_gcov_unsigned_t() instead of
4546 unsigned_type_node all over.
4548 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4550 PR tree-optimization/27381
4551 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4552 maintain the same immediate_use links.
4553 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4554 node rather than segfaulting.
4556 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4559 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4560 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4561 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4563 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4565 Fix PR tree-optimization/26626
4566 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4568 * tree-ssa-operands.c (access_can_touch_variable): Allow
4569 typecasting through union pointers.
4571 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4574 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4575 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4576 to find if var will be a global variable even in the nested context.
4577 (omp_copy_decl): Only check for global variable at the end, it might
4578 be overridden in outer contexts.
4579 (scan_sharing_clauses): For global variables don't create a field.
4580 (lower_rec_input_clauses): Do nothing for global shared variables.
4581 Emit a barrier at the end of ILIST if there were any decls in both
4582 firstprivate and lastprivate clauses.
4583 (lower_send_clauses): Do nothing for global variables except for
4586 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4588 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4589 of the correct signedness is returned.
4591 2006-05-02 Jeff Law <law@redhat.com>
4593 PR tree-optimization/27364
4594 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4595 multiply expressions.
4597 2006-05-02 Tom Tromey <tromey@redhat.com>
4599 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4601 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4604 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4605 -mthumb -fPIC are used.
4607 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4608 Joshua Kinard <kumba@gentoo.org>
4611 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4612 with 64-bit pointers.
4614 2006-05-02 Paul Brook <paul@codesourcery.com>
4616 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4618 (create_fix_barrier): Check that a suitable barrier location is
4620 (arm_reorg): Include ftmp->address in allowable range of addresses.
4622 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4625 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4628 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4631 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4632 around RESULT_DECL for result passed by reference.
4633 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4634 * omp-low.c (use_pointer_for_field): Don't look at
4635 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4636 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4637 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4638 time or var for passing by reference for
4639 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4640 TREE_ADDRESSABLE variables when passing by reference.
4642 * omp-low.c (dump_omp_region): Fix output formatting.
4645 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4646 (expand_omp_parallel): Likewise.
4647 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4650 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4651 on statement list containing also constructors and destructors.
4652 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4655 * except.c (duplicate_eh_regions): Fix clearing of
4656 cfun->eh->region_array entries.
4658 2006-05-01 DJ Delorie <dj@redhat.com>
4660 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4662 (gcc_cv_objdump): Likewise.
4663 * configure: Regenerated.
4665 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4668 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4669 templates for case 3 and 4.
4671 2006-05-01 DJ Delorie <dj@redhat.com>
4673 * vec.c: Include bconfig.h when appropriate.
4674 * Makefile.in (build/vec.o): Adjust dependencies.
4675 * mkconfig.sh: Make sure config.h isn't used for build machine
4678 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4680 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4682 (mark_phi_for_rewrite): New function.
4683 (insert_phi_nodes_for, mark_use_interesting): Call
4684 mark_phi_for_rewrite.
4685 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4686 (update_ssa): Initialize and free phis_to_rewrite.
4688 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4690 PR rtl-optimization/27291
4691 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4692 folded to a constant.
4694 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4696 PR tree-optimization/27283
4697 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4698 not whole # of iteration descriptions.
4699 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4700 uses abnormal ssa name.
4701 (niter_for_single_dom_exit): Ditto.
4702 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4703 return just the number of iterations.
4705 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4707 PR tree-optimization/27144
4708 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4709 (record_estimate): Only record constant upper bound.
4710 (infer_loop_bounds_from_undefined): Call
4711 compute_estimated_nb_iterations just once.
4712 (proved_non_wrapping_p): Renamed to ...
4713 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4714 (convert_step_widening, scev_probably_wraps_p): Call
4715 n_of_executions_at_most instead of proved_non_wrapping_p.
4716 (substitute_in_loop_info): Do not replace values in bounds.
4717 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4720 2006-05-01 Richard Henderson <rth@redhat.com>
4723 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4724 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4727 2006-05-01 Roger Sayle <roger@eyesopen.com>
4729 * c-typeck.c (parser_build_binary_op): Don't call the function
4730 unsigned_conversion_warning to spot operand/result type overflow.
4731 (build_binary_op): Instead, call convert_and_check instead of
4732 convert to report the problem when the operands are promoted.
4733 * c-common.c (unsigned_conversion_warning): Make static.
4734 * c-common.h (unsigned_conversion_warning): Delete prototype.
4736 2006-05-01 Richard Guenther <rguenther@suse.de>
4738 PR tree-optimization/26726
4739 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4741 (find_interesting_uses_address): ... we work around here
4742 by folding INDIRECT_REFs in the substituted base.
4744 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4746 * omp-low.c (dump_omp_region): Add newlines.
4748 2006-04-30 Roger Sayle <roger@eyesopen.com>
4750 * common.opt (Woverflow): New command line option.
4751 * c-common.c (constant_expression_warning): Check warn_overflow.
4752 (overflow_waring): Pass OPT_Woverflow to warning.
4753 (unsigned_conversion_warning): Likewise.
4754 (convert_and_check): Likewise.
4755 * doc/invoke.texi: Document new command line option.
4757 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4759 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4760 TARGET_NO_FP_IN_TOC for section anchors.
4761 (optimization_options): Enable section anchors for all
4762 non-"Objective" languages.
4764 2006-04-28 Eric Christopher <echristo@apple.com>
4766 * config/darwin-c.c (darwin_ms_struct): Move this
4767 (darwin_set_default_type_attributes): and this...
4768 * config/darwin.c: ... here.
4769 * config/darwin.h (darwin_ms_struct): Declare.
4771 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4773 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4775 2006-04-28 Roger Sayle <roger@eyesopen.com>
4778 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4779 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4780 an unsigned HOST_WIDE_INT.
4781 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4783 (really_start_incremental_init): No need to call convert because
4784 bitsize_zero_node is already of type bitsizetype.
4785 (push_init_level): Extract the value of constructor_index as an
4786 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4787 (process_init_element): Likewise.
4789 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4791 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4792 value before passing to make_relative_prefix.
4794 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4797 * builtins.c (expand_builtin_memset): Expand val in original mode.
4799 2006-04-27 Eric Christopher <echristo@apple.com>
4801 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4802 with #ifndef/#endif.
4803 * config/darwin-c.c (darwin_ms_struct): New.
4804 (darwin_pragma_ms_struct): Ditto.
4805 (darwin_set_default_type_attributes): Ditto.
4806 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4807 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4808 Register ms_struct pragma.
4809 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4810 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4811 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4812 darwin_set_default_type_attributes if TARGET_MACHO.
4814 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4816 PR tree-optimization/26854
4817 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4818 * doc/tree-ssa.texi: Update immuse iterator documentation.
4819 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4820 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4821 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4822 first_safe_imm_use, next_safe_imm_use): Remove.
4823 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4824 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4825 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4826 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4827 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4828 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4829 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4830 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4831 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4832 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4833 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4834 (perfect_nestify): Use new iterator.
4835 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4837 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4838 (next_imm_name): New field in struct immediate_use_iterator_d.
4839 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4840 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4841 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4842 * tree-cfg.c (replace_uses_by): Use new iterator.
4843 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4844 * tree-ssa-operands.c (correct_use_link): Remove.
4845 (finalize_ssa_use_ops): No longer call correct_use_link.
4847 2006-04-27 Stuart Hastings <stuart@apple.com>
4849 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4850 * config/t-darwin (crt3.o): Use it.
4851 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4852 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4853 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4854 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4855 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4858 2006-04-27 Roger Sayle <roger@eyesopen.com>
4860 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4861 size, force the intermediate into a new pseudo rather instead of
4862 performing both a bitwise AND and a bitwise IOR in memory.
4864 2006-04-27 Richard Guenther <rguenther@suse.de>
4866 PR rtl-optimization/26685
4867 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4868 this one "max-flow-memory-locations".
4870 2006-04-27 Richard Guenther <rguenther@suse.de>
4872 PR tree-optimization/25148
4873 * tree-vrp.c (compare_values): Remove code dealing with
4874 comparisons against type min/max value. Honour overflow
4875 and negative constants in code dealing with comparisons
4876 of plus and minus expressions.
4877 (value_inside_range): Use fold_binary with LE_EXPR and
4878 GE_EXPR rather than compare_values.
4880 2006-04-27 Dirk Mueller <dmueller@suse.de>
4882 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4885 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4887 * basic-block.h (safe_insert_insn_on_edge): Removed.
4888 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4890 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4891 Paolo Bonzini <bonzini@gnu.org>
4894 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4895 (simplify_and_const_int): Same.
4897 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4899 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4901 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4904 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4905 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4906 cgraph_global_info_ready.
4909 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4912 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4913 either decl or init is error_mark_node.
4916 * tree-flow.h (struct omp_region): Add sched_kind.
4917 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4918 instead of extracting omp for data.
4919 (expand_omp_for): Save extracted sched_kind.
4921 2006-04-25 Roger Sayle <roger@eyesopen.com>
4923 * expmed.c (store_bit_field): Also check whether the bitsize is
4924 valid for the machine's "insv" instruction before moving the
4925 target into a pseudo for use with the insv.
4926 * config/i386/predicates.md (const8_operand): New predicate.
4927 * config/i386/i386.md (extv, extzv, insv): Use the new
4928 const8_operand predicate where appropriate.
4930 2006-04-25 DJ Delorie <dj@redhat.com>
4932 * doc/install.texi (Specific): Clarify that this is not a list of
4933 supported hosts or targets.
4935 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4937 PR rtl-optimization/26725
4938 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4939 block's BB_DIRTY flag.
4941 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4943 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4946 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4947 to print an integer.
4949 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4951 * varasm.c (align_variable): New function.
4952 (get_block_for_decl): Apply align_variable to DECL before
4953 calculating section information.
4954 (assemble_variable): Split out alignment computation.
4956 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4958 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4961 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4963 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4964 MODE_PARTIAL_INT mode.
4965 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4966 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4968 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4969 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4971 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4973 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4975 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4976 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4977 MACFLAG_IH): Likewise.
4978 (movstricthi_1): Renamed from "*movstricthi".
4979 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4980 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4981 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4982 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4983 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4984 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4985 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4986 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4987 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4988 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4989 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4990 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4991 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4992 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4993 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4995 * doc/rtl.texi (ss_ashift): Improve wording.
4997 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4999 * dwarf2out.c (verify_marks_clear): New.
5000 (prune_unused_types): Call verify_marks_clear initially, not
5003 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5005 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5006 * doc/rtl.texi: Document them.
5007 * simplify-rtx.c (simplify_unary_operation,
5008 simplify_binary_operation_1): Don't abort when we see them.
5010 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5013 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5014 * configure.ac: Completely disregard languages that are not
5016 * configure: Regenerated.
5018 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5019 Richard Guenther <rguenther@suse.de>
5021 PR tree-optimization/27236
5022 * tree-inline.c (copy_body_r): Make sure to copy
5023 TREE_THIS_VOLATILE flag.
5025 2006-04-24 Richard Guenther <rguenther@suse.de>
5028 * tree-complex.c (update_parameter_components): Don't handle
5029 unused parameters which have no default def.
5031 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5032 Richard Guenther <rguenther@suse.de>
5034 PR tree-optimization/27218
5035 * tree-inline.c (expand_call_inline): Strip useless type
5036 conversions for the return slot address.
5038 2006-04-24 Richard Guenther <rguenther@suse.de>
5040 * cfgloop.h (struct loops): Remove unused field array. Reorder
5042 (LOOP_PREFETCH): Remove.
5044 2006-04-24 Richard Guenther <rguenther@suse.de>
5046 PR tree-optimization/22525
5047 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5048 variable, adjust types of generated expressions.
5050 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5052 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5053 (tree-vect-patterns.o): Likewise.
5055 (cselib.o): Likewise.
5056 (loop-doloop.o): Likewise.
5057 (regclass.o): Likewise.
5058 (reload1.o): Likewise.
5059 (explow.o): Replace target.h with $(TARGET_H).
5060 (ipa-prop.o): Likewise.
5061 (ipa-cp.o): Likewise.
5062 (ipa-inline.o): Likewise.
5063 (reorg.o): Likewise.
5064 (reg-stack.o): Likewise.
5066 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5068 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5070 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5072 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5074 * configure.ac: Completely disregard languages that are not
5076 * configure: Regenerated.
5079 * c-common.h (c_build_bitfield_integer_type): Declare.
5080 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5081 * c-common.c (c_build_bitfield_integer_type): ... here.
5083 2006-04-23 Roger Sayle <roger@eyesopen.com>
5086 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5087 a SImode SUBREG of a floating point register after no_new_pseudos.
5089 2006-04-23 Roger Sayle <roger@eyesopen.com>
5091 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5092 identify potentially eliminable registers to additionally catch
5093 VIRTUAL_INCOMING_ARGS_REGNUM.
5094 (addsi3): Update the conditions on when to use addsi_small_int.
5096 2006-04-23 Roger Sayle <roger@eyesopen.com>
5099 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5100 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5101 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5103 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5105 * fold-const.c (range_predecessor): Use operand_equal_p
5106 as the predicate for equality.
5107 (range_successor): Likewise.
5109 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5112 * config/soft-fp/op-common.h: Fix a typo.
5114 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5117 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5118 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5120 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5122 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5124 * doc/tm.texi: Fix a typo.
5126 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5128 * dwarf2out.c (struct die_struct): Document that die_sib makes
5129 a circular linked list.
5130 (FOR_EACH_CHILD): New.
5131 (reverse_die_lists): Delete.
5132 (reverse_all_dies): Delete.
5133 (add_dwarf_attr): Correct documentation.
5134 (remove_child_with_prev): New.
5135 (remove_child_TAG): Update for change to die_struct, use
5136 remove_child_with_prev.
5137 (add_child_die): Update for change to die_struct.
5138 (splice_child_die): Use remove_child_with_prev and add_child_die.
5139 (print_die): Use FOR_EACH_CHILD.
5140 (die_checksum): Likewise.
5141 (assign_symbol_names): Likewise.
5142 (output_location_lists): Likewise.
5143 (build_abbrev_table): Likewise.
5144 (calc_die_sizes): Likewise.
5145 (mark_dies): Likewise.
5146 (unmark_dies): Likewise.
5147 (unmark_all_dies): Likewise.
5148 (output_die): Likewise.
5149 (prune_unused_types_mark): Likewise.
5150 (prune_unused_types_walk): Likewise.
5151 (same_die_p): Update for change to die_struct.
5152 (break_out_includes): Likewise.
5153 (prune_unused_types_prune): Likewise.
5154 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5155 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5157 (dwarf2out_finish): Don't call reverse_all_dies.
5159 2006-04-21 Eric Christopher <echristo@apple.com>
5161 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5162 in comments and function names.
5164 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5167 * c-typeck.c (digest_init): Robustify.
5169 * c-typeck.c (pop_init_level): Simplify.
5171 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5173 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5175 2006-04-21 Paul Brook <paul@codesourcery.com>
5177 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5178 hardware floating point.
5180 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5182 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5185 2006-04-21 Nick Clifton <nickc@redhat.com>
5187 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5190 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5193 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5194 C++ lang type in traceback table for Objective-C++.
5196 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5198 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5200 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5202 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5205 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5206 were errors. Remove check for erroneous objects.
5208 2006-04-20 Jeff Law <law@redhat.com>
5210 PR tree-optimization/26854
5211 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5212 checking for zero or one use.
5213 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5214 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5215 * tree-ssa-reassoc.c (negate_value): Similarly.
5216 (reassociate_bb): Similarly.
5218 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5220 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5221 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5222 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5224 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5226 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5227 fp regs if the last fp arg doesn't fit in regs.
5229 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5232 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5233 that the last insn has the REG_INC note.
5235 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5236 Nathan Sidwell <nathan@codesourcery.com>
5239 * stor-layout.c (update_alignment_for_field): Do not align
5241 (place_union_field): Place union field at the start of the union.
5242 (place_field): Move ERROR_MARK check later, and use the current
5243 allocation position to maintain monotonicity.
5245 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5247 * dominance.c: Include timevar.h.
5248 (calculate_dominance_info): Use TV_DOMINANCE.
5249 * timevar.def (TV_DOMINANCE): New timevar.
5250 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5252 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5254 PR rtl-optimization/14261
5255 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5256 move would be an INSV insn.
5257 (noce_process_if_block): Don't optimize if the destination is a
5258 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5260 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5262 * config/s390/s390.md: Add comments with the instructions emitted
5263 by an insn pattern if macros are used.
5265 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5267 PR rtl-optimization/26026
5268 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5269 is a known power of two shifted left a variable amount.
5271 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5273 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5274 to hash table twice when the debug_str section has SECTION_MERGE.
5276 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5278 * config/soft-fp: New directory. From glibc.
5279 * config/soft-fp/t-softfp: New.
5280 * config/soft-fp/README: New.
5281 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5282 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5283 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5284 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5285 * config.gcc: Use rs6000/t-fprules-fpbit or
5286 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5288 * config/rs6000/sfp-machine.h: New. Based on glibc.
5289 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5291 * config/rs6000/t-fprules: Remove fp-bit rules.
5292 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5293 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5294 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5295 (softfp_wrap_start, softfp_wrap_end): New.
5297 2006-04-18 DJ Delorie <dj@redhat.com>
5299 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5301 2006-04-18 Devang Patel <dpatel@apple.com>
5303 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5305 2006-04-18 Nick Clifton <nickc@redhat.com>
5307 * config/sh/t-symbian: Add rule to build sh-c.o
5308 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5309 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5310 (sh_symbian_encode_section_info): Likewise.
5312 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5314 * builtins.c (expand_builtin_strcmp): Cover label definition of
5315 do_libcall with HAVE_cmpstrnsi.
5317 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5319 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5321 * function.h (temp_slot_p): New.
5322 (function): Change the type of x_used_temp_slots to
5323 VEC(temp_slot_p,gc) *.
5325 2006-04-18 Nick Clifton <nickc@redhat.com>
5327 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5328 flag_strength_reduce.
5330 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5332 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5336 Partial revert of revision 112637
5337 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5338 Dale Johannesen <dalej@apple.com>
5341 * regclass.c (struct reg_pref): Update documentation.
5342 (regclass): Set prefclass to NO_REGS if memory is the best option.
5343 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5345 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5347 PR tree-optimization/26821
5348 * tree-ssa-math-opts.c (get_constant_one): New.
5349 (insert_reciprocals): Use it.
5351 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5353 * dwarf2out.c (free_AT): Delete.
5354 (remove_AT): Update string ref counts.
5355 (remove_child_TAG): Don't call free_die.
5357 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5358 or DW_TAG_GNU_EINCL.
5359 (prune_unused_types_walk_attribs): Reset string refcounts.
5360 (prune_unused_types_update_strings): New.
5361 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5362 call free_die. Do call prune_unused_types_update_strings.
5363 (prune_unused_types): Empty debug_str_hash.
5365 2006-04-17 Roger Sayle <roger@eyesopen.com>
5367 * expr.c (expand_assignment): Optimize away no-op moves where the
5368 source and destination are equal and have no side-effects.
5370 2006-04-17 Richard Guenther <rguenther@suse.de>
5373 * reload.c (push_reload): Guard calls to get_secondary_mem
5376 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5378 * alias.c (reg_base_value, old_reg_base_value): Change the
5379 type to VEC(rtx,gc) *.
5380 (REG_BASE_VALUE, find_base_value, record_set,
5381 init_alias_analysis): Use VEC instead of VARRAY.
5383 * alias.c (alias_sets): Change the type to
5384 VEC(alias_set_entry,gc) *.
5385 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5386 VEC instead of VARRAY.
5387 (last_alias_set): Remove.
5389 * cgraph.h (cgraph_edge_p): New.
5390 Update the prototype of cgraph_function_versioning.
5391 * cgraphunit.c (cgraph_copy_node_for_versioning,
5392 cgraph_function_versioning): Use VEC instead of VARRAY.
5393 * ipa-cp.c (ipcp_insert_stage): Likewise.
5395 2006-04-16 Roger Sayle <roger@eyesopen.com>
5398 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5399 "A op B" or "A op C", we may need to convert A to the type of B and C.
5401 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5403 * target.h (struct gcc_target): Add mode_rep_extended.
5404 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5405 (init_num_sign_bit_copies_in_rep): Initialize it using
5407 (truncate_to_mode): Use it.
5408 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5409 * targhooks.h (default_mode_rep_extended): Declare it.
5410 * targhooks.c (default_mode_rep_extended): Define it.
5411 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5412 default_mode_rep_extended.
5413 (TARGET_INITIALIZER): Include it.
5414 * doc/tm.texi (Misc): Document it.
5415 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5416 (mips_truncated_to_mode): New function.
5418 2006-04-16 Roger Sayle <roger@eyesopen.com>
5421 * expr.c (compress_float_constant): Copy the narrow constant into
5422 a new pseudo before extending it to its final width.
5424 2006-04-16 Roger Sayle <roger@eyesopen.com>
5425 Andrew Pinski <pinskia@gcc.gnu.org>
5426 Dale Johannesen <dalej@apple.com>
5429 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5430 special case code to implement V8HImode and V16QImode with SSE2.
5432 2006-04-15 Roger Sayle <roger@eyesopen.com>
5434 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5435 trees are constructed with a suitable tree type.
5437 2006-04-15 Roger Sayle <roger@eyesopen.com>
5439 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5440 (integer_onep): Likewise.
5441 (integer_all_onesp): Likewise.
5442 (integer_pow2p): Likewise.
5443 (integer_nonzerop): Likewise.
5444 (real_zerop): Likewise.
5445 (real_onep): Likewise.
5446 (real_twop): Likewise.
5447 (real_minus_onep): Likewise.
5448 (int_size_in_bytes): Likewise.
5449 (host_integerp): Likewise.
5451 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5453 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5454 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5455 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5457 * tree-ssa-structalias.h (alias_info): Remove num_references.
5459 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5461 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5462 (output_bvb patterns): Likewise.
5463 * pa.c (output_bb): Use 'bb' insn for long branch case.
5464 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5465 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5466 1. Correct length operand for alternatives 1 and 2.
5467 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5468 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5470 2006-04-14 Roger Sayle <roger@eyesopen.com>
5472 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5473 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5474 were accidentally reverted by r112959.
5476 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5479 * except.h (eh_region_outermost): New prototype.
5480 * except.c (eh_region_outermost): New function.
5481 * tree-cfg.c (find_outermost_region_in_block): Use it.
5483 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5485 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5487 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5488 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5489 (init_reload, reload): Use VEC instead of VARRAY.
5490 * reload.h: Update the prototype for
5491 reg_equiv_memory_loc_varray.
5493 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5494 Eric Botcazou <ebotcazou@libertysurf.fr>
5496 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5499 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5502 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5503 to expand fallback builtin function call.
5505 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5508 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5509 and emit libcall here in case the builtin fails.
5510 (expand_builtin_strcmp): Always emit the libcall here on failure.
5512 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5514 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5515 * flow.c (reg_n_info): Change the type to
5516 VEC(reg_info_p,heap) *.
5517 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5519 * regs.h (reg_info_p): New.
5520 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5521 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5522 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5525 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5527 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5529 * params.h (MAX_SCHED_READY_INSNS): New macro.
5530 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5531 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5532 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5533 the ready list for 1 cycle during the first scheduling pass.
5534 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5536 2006-04-13 Richard Henderson <rth@redhat.com>
5539 * gimple-low.c (lower_omp_directive): Remove dead code.
5540 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5541 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5542 * omp-low.c (struct omp_region): Move to tree-flow.h.
5543 (root_omp_region): Export.
5544 (omp_regions, lookup_omp_region): Remove.
5545 (determine_parallel_type): Update for struct omp_region changes.
5546 (dump_omp_region): Dump regions with block numbers.
5547 (new_omp_region): Take type and block instead of stmt; malloc
5549 (free_omp_region_1, free_omp_regions): New.
5550 (expand_parallel_call): Take entry_stmt as argument; update for
5551 changes to omp_region.
5552 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5553 (remove_exit_barriers): New.
5554 (expand_omp_parallel): Update for struct omp_region changes.
5555 (expand_omp_synch): Likewise.
5556 (expand_omp): Likewise.
5557 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5558 (expand_omp_for_static_chunk): Likewise.
5559 (expand_omp_for): Likewise.
5560 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5561 (expand_omp_sections): Similarly, with GOMP_sections_end.
5562 (expand_omp_single): New.
5563 (build_omp_regions_1): Update for OMP_CONTINUE.
5564 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5565 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5566 OMP_SECTIONS_SECTIONS.
5567 (lower_omp_single_simple): Don't emit barrier here.
5568 (lower_omp_single_copy): Likewise.
5569 (lower_omp_single): Fix bindings, and lower to straightline now.
5570 (lower_omp_master, lower_omp_ordered): Likewise.
5571 (lower_omp_critical): Likewise.
5572 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5573 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5574 omp edges, free it afterward.
5575 (make_omp_sections_edges): Remove.
5576 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5577 (move_stmt_r): Handle OMP_CONTINUE.
5578 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5579 statement pointers to basic blocks. Add type member.
5580 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5581 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5582 * tree-inline.c (estimate_num_insns_1): Likewise.
5583 * tree-pretty-print.c (dump_generic_node): Likewise.
5584 * tree-ssa-operands.c (get_expr_operands): Likewise.
5585 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5586 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5587 (OMP_CONTINUE): New.
5588 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5589 (OMP_SECTIONS_SECTIONS): Remove.
5590 (OMP_SECTION_LAST): New.
5591 (OMP_RETURN_NOWAIT): New.
5593 2006-04-13 Roger Sayle <roger@eyesopen.com>
5595 * fold-const.c (native_encode_vector, native_interpret_real):
5596 Correct obvious mistakes in the previous check-in.
5598 2006-04-13 Roger Sayle <roger@eyesopen.com>
5600 * fold-const.c (native_encode_expr): New function to encode
5601 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5602 or VECTOR_CST into a specified buffer.
5603 (native_encode_int): New function.
5604 (native_encode_real): New function.
5605 (native_encode_complex): New function.
5606 (native_encode_vector): New function.
5607 (native_interpret_expr): Inverse of native_encode_expr to convert
5608 a target representation into an INTEGER_CST, REAL_CST etc...
5609 (native_interpret_int): New function.
5610 (native_interpret_real): New function.
5611 (native_interpret_complex): New function.
5612 (native_interpret_vector): New function.
5613 (fold_view_convert_expr): New function to constant fold/evaluate
5614 a VIEW_CONVERT_EXPR of a suitable constant expression.
5615 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5616 Change call of build1 to fold_build1 when constructing a
5619 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5620 Ulrich Weigand <uweigand@de.ibm.com>
5623 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5626 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5629 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5630 optimize to lo_sum for DFmode if !TARGET_FPRS.
5632 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5634 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5635 delete_alias_info, compute_flow_sensitive_aliasing,
5636 group_aliases): Use VEC instead of VARRAY.
5637 * tree-ssa-structalias.c (update_alias_info): Likewise.
5638 * tree-ssa-structalias.h (alias_info): Change the type of
5639 processed_ptrs to VEC(tree,heap) *.
5641 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5644 * config/sh/lib1funcs.h: New file, broken out of:
5645 * config/sh/lib1funcs.asm.
5646 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5648 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5649 * config/sh/lib1funcs-Os-4-200.asm: New file.
5650 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5651 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5652 (EXTRA_MULTILIB_PARTS): Include it.
5653 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5654 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5655 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5656 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5659 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5661 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5662 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5663 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5665 * tree-ssa-live.h: Include vecprim.h.
5666 (tree_partition_associator_d): Change the type of
5667 first_partition to VEC(int,heap) *.
5668 (tpa_first_partition): Use VEC instead of VARRAY.
5670 * Makefile.in (GTFILES): Move functions.h after tree.h.
5671 * function.c (reset_block_changes, record_block_change,
5672 check_block_change, free_block_changes): Use VEC instead of
5674 * function.h (function): Change the type of
5675 ib_boundaries_block to VEC(tree,gc) *.
5676 * tree-inline.c (copy_cfg_body): Initialize
5677 ib_boundaries_block to NULL instead of (varray_type) 0.
5679 2006-04-12 Roger Sayle <roger@eyesopen.com>
5681 * expr.c (emit_group_store): Correct operand order in call to
5682 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5683 a SUBREG_BYTE of zero.
5685 2006-04-12 Richard Guenther <rguenther@suse.de>
5687 * profile.c (compute_branch_probabilities): Remove code
5688 encapsulated in !ir_type (), which are remanents of the
5689 removed RTL profiling code.
5690 * rtl-profile.c: Remove.
5692 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5694 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5695 magic NULL_RTX comment.
5696 (function_arg): Store entire fp arg to mem if any part should go
5698 (rs6000_arg_partial_bytes): Adjust for above change.
5700 2006-04-11 Roger Sayle <roger@eyesopen.com>
5702 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5703 if it hasn't been initialized by dwarf2out_init.
5705 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5707 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5708 symbolic constants in branch patterns.
5710 2006-04-11 Roger Sayle <roger@eyesopen.com>
5712 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5714 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5716 PR rtl-optimization/27073
5717 * gcse.c (try_replace_reg): Revert last change. Continue to search
5718 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5721 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5723 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5724 aggregate types other than record and union types.
5725 (function_arg): Likewise.
5726 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5728 (function_value): In 64-bit mode, return objects that require it
5731 2006-04-11 Roger Sayle <roger@eyesopen.com>
5733 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5735 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5737 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5739 2006-04-03 Jeff Law <law@redhat.com>
5742 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5743 alias information too.
5745 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5747 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5749 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5752 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5753 (premark_used_types_helper): New.
5754 (premark_used_types): New.
5755 (gen_subprogram_die): Call premark_used_types.
5756 (prune_unused_types_walk): Do not prune perennial dies.
5757 * function.c (used_types_insert): New.
5758 * function.h (struct function): Add used_types_hash field.
5759 (used_types_insert): Add prototype.
5760 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5761 * c-parser.c (c_parser_cast_expression): Save casted types in used
5764 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5767 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5768 rs6000_explicit_options.float_gprs.
5770 2006-04-10 Roger Sayle <roger@eyesopen.com>
5772 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5773 from ix86_expand_vector_init_low_nonzero. Take an additional
5774 one_var argument indicating which element is non-zero. Support
5775 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5776 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5777 with one_var instead of ix86_expand_vector_init_low_nonzero.
5779 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5781 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5782 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5783 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5784 build/genextract.o): Depend on vecprim.h.
5785 * cfglayout.c, df-problems.c, function.c, genextract.c,
5786 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5787 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5791 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5793 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5794 Declare VECs of this type.
5795 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5796 (remove_children): Delete.
5797 (add_dwarf_attr): Use VEC routines.
5798 (add_AT_flag): Update for changes to add_dwarf_attr.
5799 (add_AT_int): Likewise.
5800 (add_AT_unsigned): Likewise.
5801 (add_AT_long_long): Likewise.
5802 (add_AT_vec): Likewise.
5803 (add_AT_string): Likewise.
5804 (add_AT_die_ref): Likewise.
5805 (add_AT_fde_ref): Likewise.
5806 (add_AT_loc): Likewise.
5807 (add_AT_loc_list): Likewise.
5808 (add_AT_addr): Likewise.
5809 (add_AT_lbl_id): Likewise.
5810 (add_AT_lineptr): Likewise.
5811 (add_AT_macptr): Likewise.
5812 (add_AT_offset): Likewise.
5813 (add_AT_range_list): Likewise.
5814 (get_AT): Use VEC_iterate.
5815 (remove_AT): Use VEC_ordered_remove.
5816 (free_die): Fold remove_children into here; have it use VEC_iterate.
5817 (print_die): Use VEC_iterate on attrs.
5818 (reverse_die_lists): Don't reverse attr lists.
5819 (die_checksum): Use VEC_iterate on attrs.
5820 (same_die_p): Likewise.
5821 (output_location_lists): Likewise.
5822 (build_abbrev_table): Likewise.
5823 (size_of_die): Likewise.
5824 (unmark_all_dies): Likewise.
5825 (output_abbrev_section): Likewise.
5826 (output_die): Likewise.
5827 (prune_unused_types_walk_attribs): Likewise.
5829 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5831 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5833 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5836 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5838 2006-04-09 Roger Sayle <roger@eyesopen.com>
5840 * expr.c (store_constructor): Don't bother clearing target if
5841 we're about to assign a vector to it using vec_init_optab.
5843 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5845 * tree-ssa-alias.c (lhs_may_store_to): New function.
5846 (recalculate_used_alone): Handle LHS of calls.
5848 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5852 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5853 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5854 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5855 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5856 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5857 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5858 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5859 stubs. Add ".align 8" directives before all ".dword" directives.
5860 (GTHREAD_USE_WEAK): Revise comment.
5861 (TARGET_ATTRIBUTE_WEAK): Define.
5862 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5863 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5864 * stublib.c: New file.
5869 * pa.md (cbranch patterns): Revise arguments used in calls to
5870 output_cbranch, output_bb and output_bvd. Add long branch length
5872 (fbranch patterns): Handle long branches.
5873 (jump): Revise length check. Revise arguments for output_lbranch call.
5874 Add long branch length attributes.
5875 (decrement_and_branch_until_zero): Add long branch length attributes.
5876 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5877 Likewise. Revise arguments for output_parallel_addb and
5878 output_parallel_movb calls.
5879 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5880 output_parallel_movb and output_parallel_addb): Update prototypes.
5881 * pa.c (output_cbranch): Revise arguments. Correct handling of
5882 nullification in long branches.
5883 (output_lbranch): Add new argument to control extraction of delay
5885 (output_bb): Handle long branches.
5886 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5887 output_parallel_addb): Likewise.
5889 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5891 PR rtl-optimization/27073
5892 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5895 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5897 * tree.h (tree_memory_tag): Add old_used_alone.
5898 (SMT_OLD_USED_ALONE): New macro.
5899 * tree-ssa-alias.c (recalculate_used_alone): Stop
5900 marking things for renaming unnecessarily.
5902 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5904 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5905 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5906 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5907 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5908 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5909 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5910 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5911 spelling convensions.
5912 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5913 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5914 typos. Follow spelling conventions.
5916 2006-04-07 DJ Delorie <dj@redhat.com>
5918 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5919 passed on the stack.
5920 (m32c_init_cumulative_args): When a function returns a structure,
5921 always pass the pointer to that return area on the stack.
5922 (m32c_function_arg_advance): Don't increment the parameter number
5923 if we're processing the returned structure pointer.
5924 (pushm_info): Reverse order of registers.
5926 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5928 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5929 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5930 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5931 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5933 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5934 chrec_fold_multiply): Same.
5935 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5936 force_expr_to_var_cost): Same.
5937 * tree-mudflap.c (mf_xform_derefs_1): Same.
5938 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5940 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5942 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5943 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5946 2006-04-07 Jan Hubicka <jh@suse.cz>
5948 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5950 2006-04-07 Richard Guenther <rguenther@suse.de>
5952 PR tree-optimization/26135
5953 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5954 loads for store copy-prop.
5955 (copy_prop_visit_stmt): Likewise.
5957 2006-04-05 Robert Millan <robertmh@gnu.org>
5959 * config/i386/linux.h: Add a comment to mark macros that are
5960 being overriden in config/k*bsd-gnu.h.
5961 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5963 * config/knetbsd-gnu.h: Ditto.
5965 2006-04-06 Jan Hubicka <jh@suse.cz>
5969 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5972 2006-04-06 Mike Stump <mrs@apple.com>
5974 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5975 for HAVE_nonlocal_goto to be consistent.
5976 (expand_builtin_nonlocal_goto): Likewise.
5977 (expand_builtin_strcmp): Use #ifdef instead of #if
5978 for HAVE_cmpstrnsi to be consistent.
5980 2006-04-05 DJ Delorie <dj@redhat.com>
5982 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5985 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5987 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5988 got-relative addressing for anything but SImode.
5990 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5991 even if the calling function doesn't modify them.
5993 2006-04-05 Richard Guenther <rguenther@suse.de>
5995 PR tree-optimization/26919
5996 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5997 to cgraph_estimate_size_after_inlining.
5999 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6001 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6003 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6005 PR tree-optimization/26996
6006 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6007 VECTOR_TYPE variables.
6009 2006-04-05 Richard Guenther <rguenther@suse.de>
6011 PR tree-optimization/26763
6012 * fold-const.c (fold_comparison): Move folding of
6013 PTR + CST CMP PTR + CST ...
6014 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6016 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6018 * doc/install.texi (Prerequisites): Refine some wording on
6019 bootstrapping and ksh.
6020 Move the version numbers of DejaGnu here from the testing section
6021 and fix casing of names.
6022 Fix markup and clarify wording for autogen requirements.
6023 Refer to GCJ instead of just java.
6024 Refer to SVN instead of CVS.
6025 Describe diffutils as useful instead of necessary.
6026 (Downloading the source): Refer to SVN instead of CVS.
6027 Adjust a link to our web site accordingly.
6028 (Configuration): Fix casing of Bison.
6029 (Building): Refer to SVN instead of CVS.
6030 Fix a sentence on the use of Bison and remove duplicate (and
6031 incorrect) version number of Bison requirement.
6032 Remove one redundant list of packages needed for building.
6033 (Specific): Avoid reference to CVS.
6035 2006-04-04 Eric Christopher <echristo@apple.com>
6037 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6038 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6039 (rs6000_handle_struct_attribute): New.
6040 (rs6000_ms_bitfield_layout_p): Ditto.
6042 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6044 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6045 NULL for dso parameter to atexit_common.
6047 2006-04-04 Eric Christopher <echristo@apple.com>
6049 * config/i386/i386.c (machopic_output_stub): Output \t
6050 between instructions and operands.
6052 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6054 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6055 satisfies_constraint_[IL] to explicit tests on value.
6057 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6059 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6060 set_nb_iterations_in_loop): Use build_int_cst instead of
6062 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6063 build_int_cst instead of convert.
6065 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6067 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6068 new value 2 for incoming.
6069 * function.c (expand_function_start): Call struct_value_rtx
6071 * config/sparc/sparc.md: Comment updated_return.
6072 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6073 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6074 struct return if sparc_std_struct_return and incoming is 2.
6075 (print_operand): Do not adjust return if
6076 sparc_std_struct_return.
6078 2006-04-04 Roger Sayle <roger@eyesopen.com>
6080 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6081 convert in the middle-end.
6082 * expr.c (store_expr, store_constructor, get_inner_reference,
6083 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6085 * tree.c (build_range_type): Likewise.
6087 2006-04-04 Tom Tromey <tromey@redhat.com>
6089 * doc/install.texi (Prerequisites): Mention jar.
6091 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6093 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6096 2006-04-04 Matthias Klose <doko@debian.org>
6098 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6099 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6102 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6104 * doc/extend.texi (Function Attributes): Rewrite visibility
6105 attribute documentation.
6106 * doc/invoke.texi (C++ Dialect Options): Rewrite
6107 -fvisibility-inlines-hidden documentation to describe something
6108 entirely different, although in practise compatible.
6109 (Code Gen Options): Warn about system headers in -fvisibility=
6112 * doc/extend.texi (Other Builtins): Document that
6113 __builtin_nan is a compile-time constant only when its argument
6116 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6118 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6119 trying to remove TRUNCATE check if all bits outside the new mode
6120 are identical to the sign bit.
6122 2006-04-03 Jeff Law <law@redhat.com>
6124 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6125 and operand scanning in some common cases.
6127 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6128 Dale Johannesen <dalej@apple.com>
6131 * regclass.c (struct reg_pref): Update documentation.
6132 (regclass): Set prefclass to NO_REGS if memory is the best option.
6133 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6134 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6135 into account. For non-registers, equate an empty preferred
6136 reload class to a `!' in the constraint; move the if clause to
6137 do so after those that reject the insn.
6138 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6140 (find_dummy_reload): Likewise.
6141 * doc/tm.texi (Register Classes): Document what it means
6142 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6143 * config/i386/i386.c (ix86_preferred_reload_class): Force
6144 using SSE registers (and return NO_REGS for floating-point
6145 constants) if math is done with SSE.
6146 (ix86_preferred_output_reload_class): New.
6147 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6148 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6149 * config/i386/i386.md: Remove # register preferences.
6151 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6154 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6155 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6156 the type of nb_iter.
6157 (instantiate_parameters_1): Convert the operands before calling
6158 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6159 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6161 2006-04-02 Roger Sayle <roger@eyesopen.com>
6163 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6164 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6166 * dojump.c (do_jump): Likewise.
6167 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6168 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6169 gimplify_boolean_expr): Likewise.
6170 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6171 * varasm.c (array_size_for_constructor): Likewise.
6172 * tree-object-size.c (compute_object_offset): Likewise.
6174 2006-04-02 Roger Sayle <roger@eyesopen.com>
6177 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6178 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6180 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6182 PR tree-optimization/26939
6183 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6185 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6187 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6188 at_stmt. Convert the type of operands before calling
6189 build_polynomial_chrec.
6190 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6192 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6193 (instantiate_parameters_1): Convert the type of operands before calling
6194 build_polynomial_chrec.
6195 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6196 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6197 reset_evolution_in_loop): Insert asserts to check the types of the
6199 (chrec_type): Moved...
6200 (eq_evolutions_p): Use operand_equal_p.
6201 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6202 the types of the operands.
6203 (chrec_type): ...here.
6204 * tree-data-ref.c (create_data_ref): Convert the operands before
6205 calling chrec_replace_initial_condition.
6206 (same_access_functions, analyze_subscript_affine_affine,
6207 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6208 (compute_subscript_distance, analyze_ziv_subscript,
6209 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6210 analyze_miv_subscript): Convert the operands before calling
6211 chrec_fold_minus or chrec_fold_plus.
6213 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6215 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6216 the dependence_relations vector.
6217 (compute_data_dependences_for_loop): Adjust call to
6218 compute_all_dependences.
6220 2006-04-01 Roger Sayle <roger@eyesopen.com>
6221 Richard Henderson <rth@redhat.com>
6223 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6224 gimple_boolify on the condition before calling gimplify_expr.
6226 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6228 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6229 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6230 the frame size. Update to use the new macros.
6231 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6232 * config/xtensa/ieee754-df.S: Likewise.
6234 2006-03-31 Richard Henderson <rth@redhat.com>
6236 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6237 (make_edges): ... here. Control fallthru creation with a local
6238 variable. Do not play with fake edges.
6239 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6240 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6243 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6245 * dwarf2.h (DW64_CIE_ID): Define.
6246 * dwarf2out.c (DWARF_CIE_ID): Define.
6247 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6248 length header. Use DWARF_CIE_ID.
6249 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6250 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6252 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6254 * config/sh/linux-atomic.asm: New file.
6255 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6257 2006-03-31 DJ Delorie <dj@redhat.com>
6259 * config/m32c/cond.md: Set condition flags properly throughout.
6260 * config/m32c/minmax.md: Likewise.
6261 * config/m32c/prologue.md: Likewise.
6262 * config/m32c/bitops.md: Likewise.
6263 * config/m32c/muldiv.md: Likewise.
6264 * config/m32c/mov.md: Likewise.
6265 * config/m32c/addsub.md: Likewise.
6266 * config/m32c/m32c.md: Likewise.
6267 * config/m32c/jump.md: Likewise.
6268 * config/m32c/shift.md: Likewise.
6270 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6271 conditionally output the pattern for this.
6272 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6273 (m32c_compare_redundant): New.
6274 (m32c_output_compare): New.
6275 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6277 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6278 dest, not src. Allow other 4-byte modes.
6280 2006-03-30 Denis Chertykov <denisc@overta.ru>
6282 * doc/md.texi: Refer to avr/constraints.md instead of
6285 2006-03-30 Roger Sayle <roger@eyesopen.com>
6287 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6288 signed vs. unsigned comparison failures on some hosts.
6290 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6293 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6294 change to FLOAT_REGS.
6296 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6297 (rs6000_override_options): Use it.
6298 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6299 only for -mabi=spe/no-spe and -mabi=altivec.
6301 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6303 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6306 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6308 * Makefile.in: Rename docdir to gcc_docdir.
6310 2006-03-30 Roger Sayle <roger@eyesopen.com>
6313 * expr.c (emit_group_store): Optimize group stores into a pseudo
6314 register by using a paradoxical subreg to initialize the destination
6315 if the first or last member of the group specifies a "low part".
6317 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6320 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6321 * target.h (struct gcc_target.speculate_insn): Change type of the
6322 second parameter to 'int'.
6323 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6324 the second operand of the DEPS_LIST.
6325 (copy_DEPS_LIST_list): Update reference to the second operand of the
6327 * rtl.h (alloc_DEPS_LIST): Update signature.
6328 * sched-int.h (ds_t): Change typedef to 'int'.
6329 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6331 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6333 * haifa-sched.c (try_ready): Change condition to restore
6334 non-speculative pattern of the instruction.
6335 (process_insn_depend_be_in_spec): Code to keep probability of the
6336 speculative dependence non-decreasing.
6338 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6340 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6341 (single_move_for_movmem): ... this. Also change all uses.
6342 (bfin_expand_strmov): Renamed to...
6343 (bfin_expand_movmem): ... this. Also change all uses.
6344 * config/bfin/bfin.md (movstrsi): Renamed to...
6345 (movstrsi): ...this.
6347 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6349 PR tree-optimization/26830
6351 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6352 (copy_prop_visit_stmt): Remove write-only variable ann.
6353 (init_copy_prop): Check variable loop depth here. Do not simulate
6354 memory-tag and virtual operand PHIs except for store copy prop.
6356 2006-03-30 Richard Guenther <rguenther@suse.de>
6358 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6359 variants with double arguments.
6361 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6363 * genpreds.c (write_tm_constrs_h): Delete variable p.
6364 * genconditions.c (write_header): Add tm-constrs.h to included
6366 * genpeep.c (main): Add toplev.h to included headers.
6367 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6368 (build/genpeep.o): Add toplev.h dependency.
6369 * config/rs6000/constraints.md: Add "W" constraint.
6371 2006-03-29 Roger Sayle <roger@eyesopen.com>
6373 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6374 sizes by correctly testing whether the size fits a host integer.
6375 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6376 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6377 SImode range for the default sizetype and bitsizetype.
6379 2006-03-29 Roger Sayle <roger@eyesopen.com>
6381 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6382 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6383 quickly if the argument is already of the correct type.
6384 Call fold_build1 instead of build1. Tidy up blank lines.
6386 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6388 * genemit.c (main): Add tm-constrs.h to included headers.
6389 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6390 * genpeep.c (main): Add tm-constrs.h to included headers.
6391 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6392 (write_tm_constrs_h): this and write complete file.
6393 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6394 (write_insn_preds_c): Add tm-constrs.h to included headers.
6395 (gen_constrs): New variable.
6396 (parse_option): Parse "-c".
6397 (main): Invoke write_tm_constrs_h.
6398 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6399 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6400 (object_out_file): Add tm-constrs.h dependency.
6401 (insn-emit.o): Same.
6402 (insn-output.o): Same.
6403 (insn-peep.o): Same.
6404 (insn-preds.o): Same.
6405 (insn-recog.o): Same.
6406 (tm-constsr.h): New target.
6407 (s-constrs-h): New target.
6409 * config/rs6000/constraints.md: New file.
6410 * config/rs6000/rs6000.c: Include tm-constrs.h.
6411 (num_insn_constant_wide): Convert to satisfies_constraint.
6412 (rs6000_rtx_costs): Convert to satisfies_constraint.
6413 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6414 (CONST_OK_FOR_LETTER_P): Delete.
6415 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6416 (EXTRA_CONSTRAINT): Delete.
6417 (EXTRA_MEMORY_CONSTRAINT): Delete.
6418 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6419 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6420 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6421 satisfies_constraint.
6423 * config/i386/i386.c: Include tm-constrs.h.
6425 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6427 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6428 * tree-data-ref.c (find_data_references_in_loop,
6429 compute_data_dependences_for_loop): Use pointers to VEC.
6430 (analyze_all_data_dependences): Adjust calls.
6431 * tree-data-ref.h (find_data_references_in_loop,
6432 compute_data_dependences_for_loop): Adjust declarations.
6433 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6434 compute_data_dependences_for_loop.
6436 2006-03-29 Paul Brook <paul@codesourcery.com>
6438 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6441 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6443 PR tree-optimization/26859
6444 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6446 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6447 for the step after fold_convert.
6449 2006-03-29 Paul Brook <paul@codesourcery.com>
6451 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6452 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6454 2006-03-29 Paul Brook <paul@codesourcery.com>
6457 * targhooks.c (default_narrow_bitfield): New fuction.
6458 * targhooks.h (default_narrow_bitfield): add prototype.
6459 * target.h (gcc_target): Add narrow_volatile_bitfield.
6460 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6461 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6462 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6463 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6465 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6467 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6469 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6470 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6471 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6472 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6473 (s390_function_arg_float): Allow SDmode and DDmode values to be
6474 passed in floating point registers.
6475 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6476 check with SCALAR_FLOAT_MODE_P.
6477 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6479 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6481 PR tree-optimization/25985
6482 * tree-ssa-loop-niter.c (number_of_iterations_le,
6483 number_of_iterations_ne): Make comments more precise.
6484 (number_of_iterations_cond): Add only_exit argument. Use the
6485 fact that signed variables do not overflow only when only_exit
6487 (loop_only_exit_p): New.
6488 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6489 number_of_iterations_cond.
6491 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6493 PR tree-optimization/26643
6494 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6497 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6499 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6500 (divsi3_i4_int): Likewise.
6502 2006-03-28 Roger Sayle <roger@eyesopen.com>
6504 * expr.c (emit_group_store): Only create a new pseudo reg if the
6505 quantity it needs to hold isn't already a suitable pseudo.
6507 2006-03-28 Jeff Law <law@redhat.com>
6509 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6510 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6512 2006-03-28 Roger Sayle <roger@eyesopen.com>
6514 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6515 the equivalent ~X & Y, and the symmetry related transformations.
6516 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6517 ~X & Y, and symmetry related transforms.
6519 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6521 Revert my 2006-03-27 patches.
6523 2006-03-28 Roger Sayle <roger@eyesopen.com>
6525 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6526 ~(T1)X, when T1 and T2 are integer types of the same precision
6527 and (T2)X isn't an extension.
6529 2006-03-28 Jeff Law <law@redhat.com>
6531 PR tree-optimization/26796
6532 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6533 need EH edge cleanups rather than purging them immediately.
6534 (eliminate_degenerate_phis): Handle queued EH cleanups.
6536 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6538 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6541 2006-03-27 Roger Sayle <roger@eyesopen.com>
6544 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6545 cast BIT_NOT_EXPR operand to the correct type.
6547 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6549 * tree-loop-linear.c: Don't include varray.h.
6550 (gather_interchange_stats, try_interchange_loops,
6551 linear_transform_loops): Use VEC instead of VARRAY.
6552 * lambda-mat.c: Don't include varray.h.
6553 * tree-chrec.c: Same.
6554 * lambda-trans.c: Same.
6555 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6556 VEC instead of VARRAY.
6557 * tree-vectorizer.h: Idem.
6558 * tree-data-ref.c (dump_data_references,
6559 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6560 initialize_data_dependence_relation, finalize_ddr_dependent,
6561 compute_all_dependences, find_data_references_in_loop,
6562 compute_data_dependences_for_loop, analyze_all_data_dependences,
6563 free_dependence_relation, free_dependence_relations,
6564 free_data_refs): Idem.
6565 * tree-data-ref.h (data_reference_p, subscript_p): New.
6566 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6567 VEC instead of VARRAY.
6568 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6569 (find_data_references_in_loop, compute_data_dependences_for_loop,
6570 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6571 dump_data_dependence_relations, free_dependence_relations,
6572 free_data_refs): Adjust declaration.
6573 (lambda_transform_legal_p): Move declaration here...
6574 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6575 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6576 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6577 vect_analyze_data_refs): Use VEC instead of VARRAY.
6578 * lambda.h (lambda_transform_legal_p): ...from here.
6579 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6580 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6581 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6582 tree-chrec.o): Don't depend on VARRAY_H.
6584 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6586 * rtl.def (Copyright): Update date.
6587 (DEPS_LIST): Change type of the second operand to 'int'.
6588 * target.h (Copyright): Update date.
6589 (struct gcc_target.speculate_insn): Change type of the second parameter
6591 * lists.c (Copyright): Update date.
6592 (alloc_DEPS_LIST): Change signature. Update reference to the second
6593 operand of the DEPS_LIST.
6594 (copy_DEPS_LIST_list): Update reference to the second operand of the
6596 * rtl.h (Copyright): Update date.
6597 (alloc_DEPS_LIST): Update signature.
6598 * sched-int.h (Copyright): Update date.
6599 (ds_t): Change typedef to 'int'.
6600 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6602 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6604 * haifa-sched.c (Copyright): Update date.
6605 (try_ready): Change condition to restore non-speculative pattern
6607 (process_insn_depend_be_in_spec): Code to keep probability of the
6608 speculative dependence non-decreasing.
6610 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6612 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6613 shut up the compiler.
6615 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6617 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6618 to use lib prefix for target.
6619 ($(T)libic_invalidate_array_4-200.a): Likewise.
6620 ($(T)libic_invalidate_array_4a.a): Likewise.
6622 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6623 J"orn Rennecke <joern.rennecke@st.com>
6625 * superh.opt: New file.
6626 * sh.c (boardtype, osruntime): Remove.
6627 * superh.h (SUBTARGET_OPTIONS): Remove.
6628 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6630 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6631 arguments with ^ and/or [].
6633 * config.gcc (sh-*-*): Add quoting to account for quirk of
6635 Replace == with = in enable_incomplete_targets test.
6637 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6638 with MASK_LITTLE_ENDIAN.
6640 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6641 * config/sh/sh.opt: Added to some comments.
6642 * config/sh/superh.h: Removed some chaff.
6644 * config/sh/sh.opt: Add m4-[1234]00* options.
6645 * config/sh/sh.c (sh_handle_option): Likewise.
6646 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6647 (ic_invalidate_array_4-100.o): New rule.
6648 ($(T)libic_invalidate_array_4-100.a): Likewise.
6649 (ic_invalidate_array_4-200.o): Likewise.
6650 ($(T)libic_invalidate_array_4-200.a): Likewise.
6651 (ic_invalidate_array_4a.o): Likewise.
6652 ($(T)libic_invalidate_array_4a.a): Likewise.
6653 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6654 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6656 * config/sh/crt1.asm: Merged in profiling code.
6657 * config/sh/superh.h (STARTFILE_SPEC): Override.
6658 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6659 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6660 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6662 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6663 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6664 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6666 * sh.opt (mpretend-cmove): New option.
6667 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6668 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6669 (movsicc): Add TARGET_PRETEND_CMOVE code.
6671 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6673 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6674 s390_class_max_nregs): New function prototypes.
6675 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6676 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6677 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6678 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6680 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6682 * dwarf2out.c (add_location_or_const_value_attribute): Call
6683 tree_add_const_value_attribute if nothing else works.
6684 (reference_to_unused): New.
6685 (rtl_for_decl_init): Use reference_to_unused to decide whether
6686 to output an initializer.
6688 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6691 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6692 peephole removing spe frob_di_df_2.
6694 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6696 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6697 (subscript_dependence_tester_1): Declared.
6698 (print_dir_vectors, print_dist_vectors): New.
6699 (debug_data_dependence_relation): New.
6700 (dump_data_dependence_relation): Print more details.
6701 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6702 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6703 (save_dist_v, save_dir_v, add_outer_distances,
6704 build_classic_dist_vector_1): New.
6705 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6706 Don't test for lambda_vector_lexico_pos.
6707 (same_access_functions, add_multivariate_self_dist,
6708 add_other_self_distances, dir_from_dist): New.
6709 (build_classic_dir_vector): Replace implementation almost identical to
6710 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6712 (subscript_dependence_tester_1): New.
6713 (subscript_dependence_tester): Handle the lexicographically negative
6714 distance vectors by recomputing the dependence relation.
6715 (compute_affine_dependence): Remove parameter loop_nest_depth.
6716 (compute_self_dependence): Don't call compute_subscript_distance.
6717 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6718 Add a parameter for the loop_nest.
6719 (find_loop_nest_1, find_loop_nest): New.
6720 (compute_data_dependences_for_loop): Compute the loop nest, and give
6721 up if the nest is not well formed.
6722 * tree-data-ref.h (loop_p): New.
6723 (struct data_dependence_relation): Replace size_vect field with
6724 loop_nest, a vec of loops.
6725 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6726 (DDR_LOOP_NEST): New.
6727 (print_dir_vectors, print_dist_vectors,
6728 debug_data_dependence_relation): Declared.
6729 (index_in_loop_nest): New.
6730 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6731 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6734 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6736 * simplify-rtx.c (simplify_relational_operation): Call
6737 simplify_relational_operation_1 even if mode is VOIDmode.
6739 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6741 PR tree-optimization/26804
6742 * tree.h (DECL_CALL_CLOBBERED): New macro.
6743 (tree_decl_common): Add call_clobbered_flag.
6744 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6745 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6746 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6747 (mark_non_addressable): Ditto.
6748 * tree-ssa.c (verify_call_clobbered): New function.
6749 (verify_alias_info): Use it.
6750 * tree-pass.h (pass_reset_cc_flags): New prototype.
6751 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6752 (reset_cc_flags): New function.
6753 * passes.c (init_optimization_passes): Call reset_cc_flags after
6754 initializing referenced_vars.
6756 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6757 Roger Sayle <roger@eyesopen.com>
6760 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6761 to 1.0 for non-real operands. Implement A / A optimization for
6764 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6766 * config/i386/i386.c (size_cost): Correct the comment for
6767 cost of storing fp registers.
6768 (i386_cost): Likewise.
6769 (i486_cost): Likewise.
6770 (pentium_cost): Likewise.
6771 (pentiumpro_cost): Likewise.
6772 (k6_cost): Likewise.
6773 (athlon_cost): Likewise.
6774 (k8_cost): Likewise.
6775 (pentium4_cost): Likewise.
6776 (nocona_cost): Likewise.
6777 (generic64_cost): Likewise.
6778 (generic32_cost): Likewise.
6780 2006-03-24 Denis Chertykov <denisc@overta.ru>
6782 * config/avr/avr-protos.h (extra_constraint): Delete.
6783 (extra_constraint_Q): New declaration.
6784 * config/avr/constraints.md: New file.
6785 * config/avr/avr.md: Include it.
6786 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6787 (TMP_REGNO, ZERO_REGNO): Likewise.
6788 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6789 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6790 (extra_constraint): Delete.
6791 (extra_constraint_Q): Test for memory constraint 'Q'.
6792 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6793 (REG_CLASS_FROM_LETTER): Delete.
6794 (CONST_OK_FOR_LETTER_P): Delete.
6795 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6796 (EXTRA_CONSTRAINT): Delete.
6797 (TMP_REGNO): Delete.
6798 (ZERO_REGNO): Delete.
6800 2006-03-24 Jeff Law <law@redhat.com>
6802 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6803 directly. Call mark_new_vars_to_rename slightly earlier.
6805 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6807 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6809 (gen_compile_unit_die): Use new language types for Objective-C and
6811 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6812 DW_LANG_C_plus_plus.
6815 * config/t-darwin (crt3.o): Work around bug 26840.
6816 * config/darwin-crt3.c: Rewrite.
6817 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6819 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6821 * doc/invoke.texi: Document -femit-class-debug-always
6822 * common.opt: Add -femit-class-debug-always.
6824 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6826 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6827 index and base register.
6828 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6829 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6830 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6831 REGNO_OK_FOR_INDEX_P.
6832 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6834 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6835 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6836 REG_OK_FOR_BASE_P): Definitions removed.
6838 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6841 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6842 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6843 set yet or weren't marked as local yet.
6845 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6847 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6850 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6852 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6853 (rs6000_legitimate_small_data_p): Delete.
6854 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6855 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6856 and make static. Add forward declaration. Update uses.
6857 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6858 of offsettable_memref_p.
6859 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6860 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6862 2006-03-24 Jeff Law <law@redhat.com>
6864 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6865 around bug in immediate-use iterator.
6867 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6870 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6871 or __LITTLE_ENDIAN__.
6873 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6875 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6876 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6877 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6878 * config/sh/sh.opt (mdiv=): Amend description.
6879 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6880 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6881 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6882 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6883 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6884 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6885 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6886 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6887 TARGET_DIVIDE_CALL_FP.
6889 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6891 * haifa-sched.c (choose_ready): Fix type of the local variable.
6892 Move local variables. Add comment.
6893 (check_reg_live): Change signature. Make callable from debugger.
6894 * sched-int.h (check_reg_live): Update signature.
6895 * sched-ebb.c (check_reg_live): Update parameters.
6896 * sched-rgn.c (check_reg_live): Ditto.
6897 (region_head_or_leaf_p): Check pointer before dereferencing.
6898 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6899 before reload on optimization levels below 1.
6901 2006-03-23 Richard Henderson <rth@redhat.com>
6903 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6907 * config/alpha/predicates.md (local_symbolic_operand): Reject
6910 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6913 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6914 expressions which have overflowed constants.
6916 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6918 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6920 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6922 * cfgloopmanip.c (create_loop_notes): Removed.
6923 * final.c (final_scan_insn): Do not handle loop notes.
6924 * jump.c (squeeze_notes): Ditto.
6925 * cfglayout.c (skip_insns_after_block,
6926 duplicate_insn_chain): Ditto.
6927 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6929 * cfgloop.h (create_loop_notes): Declaration removed.
6931 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6933 * varasm.c (output_constant_pool): Restore fnname and fndecl
6935 (assemble_start_function): Adjust call accordingly.
6936 (assemble_end_function): Likewise.
6938 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6941 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6944 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6946 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6949 * system.h (ICE_EXIT_CODE): New macro.
6950 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6951 (diagnostic_action_after_output): Likewise.
6952 * gcc.c (fatal_ice): New function.
6953 (execute): Use it instead of fatal.
6954 (fancy_abort): Likewise.
6955 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6957 2006-03-22 Jeff Law <law@redhat.com>
6959 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6960 iv_analyze_result returning false.
6962 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6964 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6966 2006-03-22 Richard Henderson <rth@redhat.com>
6969 * except.c (duplicate_eh_regions_0): New.
6970 (duplicate_eh_region_1): Duplicate the children of the node as
6971 well as the node itself. Link them up properly.
6972 (duplicate_eh_region_2): Merge into ...
6973 (duplicate_eh_regions): ... here. Take copy_region argument, and
6974 copy only a sub-tree if asked. Simplify copying and fixup.
6975 (eh_region_outer_p): New.
6976 * except.h (duplicate_eh_regions): Update decl.
6977 (eh_region_outer_p): Declare.
6978 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6979 (lower_omp_master): Likewise.
6980 (lower_omp_ordered): Likewise.
6981 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6982 (move_stmt_r): Use it to remap labels. Handle recursion vs
6983 remap_decls_p properly.
6984 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6985 (find_outermost_region_in_block): New.
6986 (new_label_mapper): New.
6987 (move_sese_region_to_fn): Copy eh information to the new function
6989 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6991 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6994 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6996 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6997 into shared libraries.
6999 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7001 * doc/md.texi: Refer to i386/constraints.md instead of
7003 * config/i386/constraints.md: New file, extracted from...
7004 * config/i386/predicates.md: ...here.
7005 * config/i386/i386.md: Include constraints.md.
7007 2006-03-21 Jason Merrill <jason@redhat.com>
7009 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7012 * expr.c (init_block_move_fn): Force default visibility.
7013 (init_block_clear_fn): Likewise.
7014 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7015 * targhooks.c (default_external_stack_protect_fail): Likewise.
7017 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7019 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7020 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7021 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7022 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7023 (loadgp): Use mips_current_loadgp_style.
7024 (loadgp_noshared): New pattern.
7025 (sibcall_internal): Use MIPS_CALL.
7026 (sibcall_value_internal): Likewise.
7027 (sibcall_value_multiple_internal): Likewise.
7028 (call_internal): Likewise.
7029 (call_value_internal): Likewise.
7030 (call_value_multiple_internal): Likewise.
7031 (call_split): Use MIPS_CALL and add an 'S' constraint.
7032 (call_value_split): Likewise.
7033 (call_value_multiple_split): Likewise.
7034 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7035 (-mshared): New option.
7036 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7037 (mips_current_loadgp_style): Declare.
7038 * config/mips/mips.c (mips_classify_symbol): Avoid using
7039 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7040 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7041 TARGET_ABSOLUTE_ABICALLS.
7042 (override_options): Adjust comments. Improve the warning that is
7043 issued when -mabicalls and -G are used together.
7044 (mips_file_start): Remove comment.
7045 (mips_current_loadgp_style): New function.
7046 (mips_gnu_local_gp): New variable.
7047 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7049 (mips_output_function_prologue): Use mips_current_laodgp_style.
7050 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7051 the cprestore instruction.
7052 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7053 live for TARGET_ABSOLUTE_ABICALLS.
7054 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7055 (ASM_SPEC): Pass down -mshared and -mno-shared.
7056 (MIPS_CALL): New macro.
7057 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7059 * doc/invoke.texi (-mabicalls): Update documentation.
7060 (-mshared): Document.
7062 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7064 * config/ia64/unwind-hpux.c: New file.
7065 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7067 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7070 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7072 2006-03-21 Jeff Law <law@redhat.com>
7074 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7075 type conversions of a VR_VARYING source to a wider type.
7077 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7079 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7080 tm_file on Solaris 10 and later.
7081 (sparc64-*-solaris2*): Likewise.
7082 (sparc-*-solaris2*): Likewise.
7083 * config/sol26.h: Rename to config/sol2-6.h.
7084 * config/sol2-10.h: New file.
7086 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7089 * tree-ssa-pre.c (create_component_ref_by_pieces):
7092 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7095 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7096 return it immediately.
7098 2006-03-21 Michael Matz <matz@suse.de>
7100 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7102 (remove_arc, add_arc): Update num_out_arcs member.
7103 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7105 (cache_presence): New function.
7106 (compare_states_for_equiv): New function.
7107 (state_is_differed): Don't take number of outargs, adjust callers.
7108 Use new invariant for speeding up.
7109 (init_equiv_class): Create initial classes based on sorted
7111 (partition_equiv_class): Don't track out_arcs_num.
7112 (evaluate_equiv_classes): Call cache_presence on all states and
7115 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7117 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7118 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7119 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7120 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7122 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7123 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7124 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7125 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7126 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7128 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7129 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7130 (REGNO_REG_CLASS): ARGP is in PREGS.
7131 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7133 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7134 to deal with those addresses.
7135 * addresses.h: New file.
7136 * caller-save.c: Include "addresses.h".
7137 (init_caller_save): Use new base_reg_class function.
7138 * rtl-factoring.c: Include "addresses.h".
7139 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7140 * recog.c: Include "addresses.h".
7141 (preprocess_constraints): Use new base_reg_class function.
7142 * regrename.c: Include "addresses.h".
7143 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7144 functions. Keep track of a new var INDEX_CODE to compute valid
7146 (replace_oldest_value_addr): Likewise.
7147 (replace_oldest_value_mem): Use base_reg_class.
7148 * reload.c: Include "addresses.h".
7149 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7150 (find_reloads): Use new base_reg_class function.
7151 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7152 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7153 all callers and prototype changed.
7154 * reload1.c: Include "addresses.h".
7155 (maybe_fix_stack_asms): Use base_reg_class.
7156 * regclass.c: Include "addresses.h".
7157 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7158 (init_reg_autoinc): Use new base_reg_class function.
7159 (record_reg_classes): Likewise.
7160 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7161 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7162 Use new args to compute necessary class.
7164 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7165 regrename.o, rtl-factoring.o): Update dependencies.
7166 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7167 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7168 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7169 REG_OK_FOR_INDEX_P): Delete documentation.
7171 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7173 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7174 from V7 to V9 for Solaris 7 and above.
7176 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7178 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7179 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7180 argument pointers may not alias any other storage.
7181 * common.opt: Define option -fargument-noalias-anything.
7182 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7183 alias semantics is specified by flag_argument_noalias > 2.
7185 2006-03-20 Jeff Law <law@redhat.com>
7187 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7188 (pass_phi_only_cprop): Declare.
7189 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7191 * tree-ssa-dom.c (degenerate_phi_result): New function.
7192 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7193 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7194 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7195 (eliminate_degenerate_phis): Likewise.
7196 (pass_phi_only_cprop): New pass descriptor.
7197 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7198 support code. Callers updated.
7199 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7200 (store_copy_prop): Likewise.
7201 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7203 2006-03-20 Jason Merrill <jason@redhat.com>
7206 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7207 (push_visibility, pop_visibility): Likewise.
7208 * c-pragma.h: Declare them.
7210 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7212 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7214 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7215 parameter and use get_ebb_head_tail.
7216 (sh_md_init_global): Adjust uses of find_regmode_weight.
7218 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7220 * function.h (struct function) <x_tail_recursion_reentry>:
7221 Rename to x_stack_check_probe_note.
7222 (tail_recursion_reentry): Rename to stack_check_probe_note.
7223 * function.c: Replace tail_recursion_reentry with
7224 stack_check_probe_note everywhere.
7225 (expand_function_start): Only emit a note for
7226 stack_check_probe_note with -fstack-protect.
7227 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7229 * emit-rtl.c (remove_unnecessary_notes): Remove.
7230 (pass_remove_unnecessary_notes): Remove.
7231 * rtl.h (remove_unnecessary_notes): Remove prototype.
7232 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7233 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7234 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7236 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7239 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7240 (valid_in_set): Handle ARRAY_REF.
7241 Change "if min_variant or VH" to asserts.
7242 (create_component_ref_by_pieces): Handle ARRAY_REF.
7243 (create_expression_by_pieces): Likewise.
7244 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7246 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7248 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7249 is operand of switch, not str[0].
7251 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7253 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7254 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7256 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7258 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7259 end of insn_extra_address_constraint declaration.
7261 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7263 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7264 (no-sum-in-toc): Same.
7265 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7267 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7268 NO_FP_IN_TOC for -fPIC instead of mask.
7270 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7271 (BOOT_LDFLAGS): Delete.
7273 * config/rs6000/t-aix52: Same.
7275 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7276 (stmsi[345678]_power): New.
7278 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7280 * config/ia64/ia64.opt: Add empty line to end of file.
7282 2006-03-17 Richard Guenther <rguenther@suse.de>
7285 * builtins.c (get_pointer_alignment): For component style references
7286 adjust alignment to the component type alignment. Make sure
7287 to adjust alignment for component access of constants.
7289 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7291 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7294 2006-03-17 Paul Brook <paul@codesourcery.com>
7296 * doc/install.texi: Docuemnt --with-mode.
7297 * config.gcc: Add --with-mode for arm*-*-*.
7298 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7300 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7302 * sh.c (max_labelno_before_reorg): New variable.
7303 (sh_reorg): Initialize it.
7304 (find_barrier): Check max_labelno_before_reorg before using
7305 label_to_alignment. Take length of explicit alignment insns
7306 into account. When seeing a UNSPECV_CONST_END, return it.
7308 * sh.c (fixup_mova): Set mode of affected label to QImode.
7309 (untangle_mova): New function.
7310 (find_barrier): Use it. Check mode of label before decrementing
7312 (sh_reorg): Likewise.
7313 Set mode of all insns back to VOIDmode.
7315 * sh.c (MOVA_LABELREF): New macro.
7316 (mova_p, fixup_mova, sh_reorg): Use it.
7317 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7318 ADDR_DIFF_VEC matches mova.
7320 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7322 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7323 with ATTRIBUTE_UNUSED.
7325 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7327 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7328 pointer, instead of assuming it is possible to derive the
7329 correct args size from a call insn.
7331 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7333 * rtl.h (CONST_INT_P): Define.
7334 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7335 instead of GET_CODE(x) == CONST_INT.
7336 (vax_rtx_costs): Likewise.
7337 (vax_output_int_move): Likewise.
7338 (vax_output_int_add): Likewise.
7339 (legitimate_constant_address_p): Likewise.
7340 (index_term_p): Likewise.
7341 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7342 * config/vax/vax.md (and<mode>3): Likewise.
7343 (ashrsi3): Likewise.
7345 (movstricthi): Likewise.
7346 (movstrictqi): Likewise.
7347 (rotrsi3): Likewise.
7348 (five unnamed insns): Likewise.
7350 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7352 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7353 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7354 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7355 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7356 Pass to ASM_OUTPUT_DWARF_OFFSET.
7357 * dwarf2out.c (debug_frame_section): New.
7358 (output_call_frame_info): Use debug_frame_section. Pass it to
7359 dw2_asm_output_offset.
7360 (output_die): Pass appropriate section to dw2_asm_output_offset.
7361 (output_compilation_unit_header): Likewise.
7362 (output_pubnames): Likewise.
7363 (output_aranges): Likewise.
7364 (enum dw_val_class): Break dw_val_class_lbl_offset into
7365 dw_val_class_lineptr and dw_val_class_macptr.
7366 (add_AT_lbl_offset): Delete.
7367 (add_AT_lineptr): New.
7368 (add_AT_macptr): New.
7369 (AT_lbl): Expect a lineptr or macptr.
7370 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7371 (attr_checksum): Likewise.
7372 (same_dw_val_p): Likewise.
7373 (size_of_die): Likewise.
7374 (value_format): Likewise.
7375 (output_die): Likewise.
7376 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7378 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7379 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7380 * config/darwin-protos.h (darwin_file_start): New.
7381 (darwin_asm_output_dwarf_offset): New.
7382 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7383 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7385 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7386 if not EH section; simplify.
7387 (darwin_file_start): New.
7388 (darwin_asm_output_dwarf_offset): New.
7389 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7391 (DEBUG_INFO_SECTION): Likewise.
7392 (DEBUG_ABBREV_SECTION): Likewise.
7393 (DEBUG_ARANGES_SECTION): Likewise.
7394 (DEBUG_MACINFO_SECTION): Likewise.
7395 (DEBUG_LINE_SECTION): Likewise.
7396 (DEBUG_LOC_SECTION): Likewise.
7397 (DEBUG_PUBNAMES_SECTION): Likewise.
7398 (DEBUG_STR_SECTION): Likewise.
7399 (DEBUG_RANGES_SECTION): Likewise.
7400 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7401 (ASM_OUTPUT_DWARF_OFFSET): New.
7403 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7405 * config.gcc (tm_defines): Always add to previous value rather
7408 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7410 * config/mips/predicates.md (splittable_const_int_operand): New,
7411 split from move_operand.
7412 (splittable_symbolic_operand): New.
7413 (move_operand): Add commentary. Use splittable_const_int_operand.
7414 Inline mips_atomic_symbolic_constant_p.
7415 * config/mips/mips.md: Add combine splitters for handling moves
7416 of splittable_const_int_operands and splittable_symbolic_operands.
7417 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7418 (mips_split_symbol): Declare.
7419 (mips_move_integer): Declare.
7420 * config/mips/mips.c (mips_split_p): Make global.
7421 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7422 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7423 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7424 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7425 (mips_offset_within_object_p): Handle block symbols.
7426 (mips_atomic_symbolic_constant_p): Delete.
7427 (mips_cannot_force_const_mem): Return false for constants that
7428 mips_legitimize_move can handle.
7429 (mips_use_blocks_for_constant_p): New function.
7430 (mips_split_symbol): Make global.
7431 (mips_move_integer): Likewise. Add a temporary register argument.
7432 (mips_legitimize_const_move): Use splittable_const_int_operand and
7433 splittable_symbolic_operand.
7434 (mips_use_anchors_for_symbol_p): New function.
7435 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7436 (mips_split_p): Declare.
7438 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7440 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7441 (mips*-*-linux*): Likewise.
7443 2006-03-16 Roger Sayle <roger@eyesopen.com>
7444 Daniel Speyer <dspeyer@wam.umd.edu>
7447 * tree-dump.c (dump_real): New function.
7448 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7449 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7450 (tree-dump.o): Add $(REAL_H) to the dependencies.
7452 2006-03-16 Roger Sayle <roger@eyesopen.com>
7455 * real.c (real_from_string): If the mantissa is zero, don't bother
7456 parsing the exponent as the result should always be zero.
7458 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7460 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7462 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7464 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7465 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7466 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7467 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7468 ia64_sched_finish_global): New static functions to implement
7469 hooks from gcc_target.sched.
7470 (spec_check_no, max_uid, pending_data_specs): New static variables.
7471 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7472 ia64_spec_check_src_p): New static functions.
7473 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7474 (TARGET_SCHED_ADJUST_COST): Removed.
7475 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7476 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7477 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7478 TARGET_SCHED_GEN_CHECK,
7479 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7480 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7481 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7482 Fixed to handle speculation checks.
7483 (rtx_needs_barrier): Fixed to handle speculative loads and
7485 (ia64_variable_issue): Added code to count speculative loads and their
7487 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7489 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7491 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7493 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7494 (ia64_reorg): Reset stops_p to NULL after it is freed.
7495 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7496 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7497 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7499 (data_speculative, control_speculative, check_load): New attributes.
7500 (mov<mode>_advanced, mov<mode>_speculative,
7501 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7502 zero_extend<mode>di2_speculative,
7503 zero_extend<mode>di2_speculative_advanced): New patterns for
7504 data and control speculative loads.
7505 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7507 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7508 New pattern for data and control speculation checks.
7509 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7510 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7511 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7512 Auxiliary definitions for the patterns.
7513 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7514 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7516 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7518 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7519 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7520 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7521 New resource constraints.
7522 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7524 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7525 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7526 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7527 msched-in-control-spec, msched-ldc, msched-control-ldc,
7528 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7529 msched-prefer-non-control-spec-insns,
7530 msched-count-spec-in-critical-path): New flags to tune speculative
7532 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7533 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7534 msched-in-control-spec, msched-ldc, msched-control-ldc,
7535 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7536 msched-prefer-non-control-spec-insns,
7537 msched-count-spec-in-critical-path): Document new flags.
7539 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7541 * target.h (struct spec_info_def): New opaque declaration.
7542 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7543 speculate_insn, needs_block_p, gen_check,
7544 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7545 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7546 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7547 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7548 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7549 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7551 (TARGET_SCHED): Use new macros.
7552 * rtl.h (copy_DEPS_LIST_list): New prototype.
7553 * sched-int.h (struct sched_info): Change signature of new_ready field,
7554 adjust all initializations. New fields: add_remove_insn,
7555 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7556 region_head_or_leaf_p.
7557 (struct spec_info_def): New structure declaration.
7558 (spec_info_t): New typedef.
7559 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7560 recovery_block, orig_pat.
7561 (glat_start, glat_end): New variables declaraions.
7562 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7564 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7565 DETACH_LIFE_INFO, USE_GLAT.
7566 (enum SPEC_SCHED_FLAGS): New enumeration.
7567 (NOTE_NOTE_BB_P): New macro.
7568 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7569 attach_life_info, debug_spec_status, check_reg_live): New functions.
7570 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7571 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7573 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7574 * ddg.c (get_block_head_tail): Adjust all uses.
7575 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7576 (sms_sched_info): Initialize new fields.
7577 (contributes_to_priority): Removed.
7578 * haifa-sched.c (params.h): New include.
7579 (get_block_head_tail): Adjust all uses.
7580 (ISSUE_POINTS): New macro.
7581 (glat_start, glat_end): New global variables.
7582 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7583 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7584 old_last_basic_block, before_recovery, current_sched_info_var,
7585 rgn_n_insns, luid): New static variables.
7586 (insn_cost1): New function. Move logic from insn_cost to here.
7587 (find_insn_reg_weight1): New function. Move logic from
7588 find_insn_reg_weight to here.
7589 (reemit_notes, move_insn, max_issue): Change signature.
7590 (move_insn1): Removed.
7591 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7592 extend_bb): New static functions to support extension of scheduler's
7594 (generate_recovery_code, process_insn_depend_be_in_spec,
7595 begin_speculative_block, add_to_speculative_block,
7596 init_before_recovery, create_recovery_block, create_check_block_twin,
7597 fix_recovery_deps): New static functions to support
7598 generation of recovery code.
7599 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7600 restore_bb_notes, move_block_after_check, move_succs): New static
7601 functions to support ebb scheduling.
7602 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7603 functions to support handling of register live information.
7604 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7605 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7606 add_jump_dependencies): New static functions.
7607 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7608 consistancy checking.
7609 (debug_spec_status): New function to call from debugger.
7610 (priority): Added code to handle speculation checks.
7611 (rank_for_schedule): Added code to distinguish speculative instructions.
7612 (schedule_insn): Added code to handle speculation checks.
7613 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7614 Fixed to handle ebbs.
7615 (move_insn): Added code to handle ebb scheduling.
7616 (max_issue): Added code to use ISSUE_POINTS of instructions.
7617 (choose_ready): Added code to choose between speculative and
7618 non-speculative instructions.
7619 (schedule_block): Added code to handle ebb scheduling and scheduling of
7620 speculative instructions.
7621 (sched_init): Initialize new variables.
7622 (sched_finish): Free new variables. Print statistics.
7623 (try_ready): Added code to handle speculative instructions.
7624 * lists.c (copy_DEPS_LIST_list): New function.
7625 * sched-deps.c (extend_dependency_caches): New function. Move logic
7626 from create_dependency_caches to here.
7627 (get_dep_weak, ds_merge): Make global.
7628 * genattr.c (main): Code to output prototype for
7629 dfa_clear_single_insn_cache.
7630 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7631 (output_dfa_clean_insn_cache_func): Code to output
7632 dfa_clear_single_insn_cache function.
7633 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7635 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7637 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7638 New static variables.
7639 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7640 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7642 (ebb_sched_info): Initialize new fields.
7643 (get_block_head_tail): Adjust all uses.
7644 (compute_jump_reg_dependencies): Fixed to use glat_start.
7645 (schedule_ebb): Code to remove unreachable last block.
7646 (schedule_ebbs): Added code to update register live information.
7647 * sched-rgn.c (region_sched_info): Initialize new fields.
7648 (get_block_head_tail): Adjust all uses.
7649 (last_was_jump): Removed. Adjust users.
7650 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7651 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7652 Implement new hooks.
7653 (check_dead_notes1): New static function.
7654 (struct region): New fields: dont_calc_deps, has_real_ebb.
7655 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7656 (BB_TO_BLOCK): Fixed to handle EBBs.
7657 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7658 (ebb_head): New static variable.
7659 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7660 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7662 (compute_dom_prob_ps): New assertion.
7663 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7664 global_live_at_start.
7665 (init_ready_list): New assertions.
7666 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7667 (new_ready): Add support for BEGIN_CONTROL speculation.
7668 (schedule_insns): Fixed code that updates register live information
7670 (schedule_region): Fixed to handle EBBs.
7671 (init_regions): Use extend_regions and check_dead_notes1.
7672 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7673 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7674 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7675 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7676 TARGET_SCHED_GEN_CHECK,
7677 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7678 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7679 * doc/invoke.texi (max-sched-insn-conflict-delay,
7680 sched-spec-prob-cutoff): Document.
7682 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7684 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7685 inter_tick, queue_index.
7686 (struct sched_info): Change signature of init_ready_list field.
7687 Adjust all initializations.
7688 (RESOLVED_DEPS): New access macro.
7689 (ready_add): Remove prototype.
7690 (try_ready): Add prototype.
7691 * sched-rgn.c (init_ready_list): Use try_ready.
7692 (schedule_region): Initialize
7693 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7694 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7695 (init_ready_list): Use try_ready.
7696 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7697 * lists.c (remove_list_elem): Remove `static'.
7698 (remove_free_INSN_LIST_elem): New function.
7699 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7700 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7701 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7703 (readyp): New variable.
7704 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7705 change_queue_index, resolve_dep): New static functions.
7706 (try_ready): New function. Adjust callers in sched-rgn.c and
7707 sched-ebb.c to use it instead of ready_add.
7708 (clock_var): Move at the begining of file.
7709 (rank_for_schedule): Fix typo.
7710 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7711 (ready_lastpos): Enforce assertion.
7712 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7714 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7715 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7716 (queue_to_ready): Use free_INSN_LIST_list.
7717 (early_queue_to_ready): Fix typo.
7718 (schedule_block): Init readyp. Move init_ready_list call after the
7719 initialization of clock_var. Fix error in rejecting insn by
7720 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7721 that previously corrected INSN_TICKs. Add code for handling
7723 (set_priorities): Fix typo.
7724 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7725 Clarify comment and code that keeps current_sched_info->next_tail
7728 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7730 * sched-rgn.c (extend_rgns): New static function.
7731 (find_rgns): Use it.
7732 (gather_region_statistics, print_region_statistics): New static
7734 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7735 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7737 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7738 Andrey Belevantsev <abel@ispras.ru>
7740 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7741 * lists.c (unused_deps_list): New variable.
7742 (free_list): Add assertions to verify the proper distinguishing
7743 between INSN_LISTs and DEPS_LISTs.
7744 (find_list_elem, remove_list_elem, remove_list_node): New static
7746 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7747 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7748 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7749 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7751 (free_INSN_LIST_node): Likewise.
7752 * modulo-sched.c (current_sched_info): Initialize flags field.
7753 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7754 * rtl.def (DEPS_LIST): Define.
7755 * rtl.h: Declare new functions from lists.c.
7756 * sched-deps.c (spec_dependency_cache): New static variable.
7757 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7758 (add_dependence): Change return type to void. Move the logic to ...
7759 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7760 (delete_all_dependences): Add comment about forward_dependency_cache.
7761 Handle spec_dependency_cache. Handle DEPS_LISTs.
7762 (fixup_sched_groups): Clarify the change of priority of output
7763 and anti dependencies.
7764 (sched_analyze_2): Adjust add_dependence calls to create data
7765 speculative dependence.
7766 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7767 Adjust all callers. Handle DEPS_LISTS.
7768 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7769 presence of speculation.
7770 (init_dependency_caches, free_dependency_caches):
7771 Handle spec_dependency_cache.
7772 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7773 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7774 New static functions.
7775 (add_or_update_back_dep, add_or_update_back_forw_dep,
7776 add_back_forw_dep, delete_back_forw_dep): New functions.
7777 * sched-int.h (ds_t, dw_t): New typedefs.
7778 (struct sched_info): Add new field flags.
7779 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7780 Prototype new sched-deps.c functions.
7781 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7782 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7783 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7784 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7785 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7786 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7788 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7790 * sched-rgn.c (current_sched_info): Initialize flags field.
7791 (schedule_insns): Initialize current_sched_info before the sched_init
7793 * sched-ebb.c (current_sched_info): Initialize flags field.
7794 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7795 Call add_or_update_back_dep instead of add_dependence.
7796 Create control speculative dependencies.
7797 (schedule_insns): Initialize current_sched_info before the sched_init
7800 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7802 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7804 (sh_fallback_frame_state): Likewise.
7806 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7808 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7809 Do switch on default_use_cxa_atexit.
7810 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7811 * config/darwin-crt3.o: New.
7812 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7813 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7814 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7816 * config/rs6000/t-darwin: Move crt2.o building to here.
7817 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7818 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7821 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7823 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7824 from '! xxx' to '!xxx' for coding-style conformance.
7825 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7826 (EXTRA_CONSTRAINT): Likewise.
7827 * config/vax/vax.md (four unnamed insns): Likewise.
7829 2006-03-15 Paul Brook <paul@codesourcery.com>
7831 * config/arm/arm.c (minipool_pad): New.
7832 (add_minipool_forward_ref): Include pool alignment padding in address
7834 (push_minipool_fix): Set minipool_pad.
7835 (minipool_pad): Ditto.
7837 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7839 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7840 instead of GET_CODE() == MEM and REG_P() instead of
7842 (print_operand_address): Likewise.
7843 (vax_address_cost): Likewise.
7844 (vax_rtx_costs): Likewise.
7845 (vax_notice_update_cc): Likewise.
7846 (vax_output_int_add): Likewise.
7847 (INDEX_REGISTER_P): Likewise.
7848 (BASE_REGISTER_P): Likewise.
7849 (nonindexed_address_p): Likewise.
7850 (vax_mode_dependent_address_p): Likewise.
7851 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7852 (PRINT_OPERAND): Likewise.
7853 * config/vax/vax.md (ashlsi3): Likewise.
7854 (ashlsi3): Likewise.
7855 (some more unnamed insns): Likewise.
7857 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7859 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7860 iterator-style macro.
7861 (mark_control_dependent_edges_necessary): Update the use of
7862 EXECUTE_IF_CONTROL_DEPENDENT.
7864 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7866 * config/sh/predicates.md (cache_address_operand): Special.
7867 (ua_address_operand): Likewise.
7869 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7871 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7873 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7875 2006-03-15 Andreas Schwab <schwab@suse.de>
7877 * gensupport.c (identify_predicable_attribute): Don't free p_false
7878 when it is still in use.
7880 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7882 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7883 the default setting here.
7885 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7887 * tree-pass.h (pass_cfg): Remove.
7888 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7889 * passes.c (pass_cfg): Don't run it.
7891 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7893 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7894 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7896 (stack_regs_mentioned): Update the uses of
7897 stack_regs_mentioned_data. Don't access the array beyond its
7899 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7900 Don't include gt-reg-stack.h.
7902 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7903 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7905 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7908 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7911 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7913 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7915 2006-03-14 Richard Guenther <rguenther@suse.de>
7917 PR tree-optimization/26672
7918 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7921 2006-03-14 Richard Guenther <rguenther@suse.de>
7923 PR tree-optimization/26667
7924 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7925 node for the callees. Always allow inlining if it will shrink
7928 2006-03-14 Richard Guenther <rguenther@suse.de>
7931 * builtins.c (get_pointer_alignment): Prefer alignment
7932 information from decls over that from types.
7934 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7937 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7939 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7941 * config/rs6000/rs6000.opt (mdlmzb): New option.
7942 (msched-prolog, msched-epilog): Use Var not Mask.
7943 * doc/invoke.texi (-mdlmzb): Document.
7944 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7946 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7947 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7949 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7951 PR rtl-optimization/25739
7952 * bt-load.c (augment_live_range): Free tos pointer.
7954 * gensupport.c (identify_predicable_attribute): Free
7956 * gcov.c (create_file_names): Free name pointer.
7958 2006-03-13 Roger Sayle <roger@eyesopen.com>
7961 * stmt.c (emit_case_nodes): Handle the case where the index is a
7962 CONST_INT, where the comparison mode is specified by the index type.
7964 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7966 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7969 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7971 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7972 (*branch_fp_inverted): Likewise.
7974 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7977 * omp-low.c (expand_omp_for_generic): Mark istart0
7978 and iend0 as addressable.
7980 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7982 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7984 2006-03-13 Jeff Law <law@redhat.com>
7986 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7987 virtual operands are interesting.
7988 (vrp_visit_stmt): Corresponding changes.
7990 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7992 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7994 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7995 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7996 * config/bfin/crti.S: Use it instead of __PIC__.
7997 * config/bfin/crtn.S: Likewise.
7999 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8000 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8002 Lose 'G' modifier for call operand.
8003 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8004 recognize 'G' modifier.
8006 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8009 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8010 * stmt.c (expand_case): Likewise.
8012 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8014 PR rtl-optimization/26254
8015 * loop-invariant.c (seq_insns_valid_p): New function.
8016 (move_invariant_reg): Only emit new code if it is valid.
8018 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8020 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8022 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8023 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8024 (commit_one_edge_insertion): Do not look for loop notes.
8026 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8028 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8029 flag_test_coverage out of loop.
8031 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8033 * final.c (shorten_branches): Remove outdated comment, and turn
8034 the if branch that guards it to continue.
8036 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8038 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8039 * cfgloop.h (struct loop): Remove unused fields.
8041 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8043 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8044 (-dL, -fdump-rtl-loop2): Update the dump file names
8046 * doc/invoke.texi: Update dump file names.
8048 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8050 * predict.c (estimate_probability): Remove.
8051 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8052 * basic-block.h (estimate_probability): Remove prototype.
8053 * passes.c (finish_optimization_passes): Dump branch prediction or
8054 profiling heuristics to the .profile tree dump.
8055 (init_optimization_passes): Unqueue pass_branch_prob.
8057 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8059 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8061 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8062 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8064 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8066 * function.h (frame_offset_overflow): Declare.
8067 * function.c (frame_offset_overflow): New function.
8068 (assign_stack_local_1): Call it to detect that the offset overflows.
8069 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8071 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8073 * config/sh/sh.c: Include alloc-pool.h.
8074 (label_ref_list_pool): New alloc pool.
8075 (label_ref_list_t): New type for lists of labels.
8076 (struct pool_node): Make wend a label_ref_list_t.
8077 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8079 (dump_table): Likewise.
8080 (sh_reorg): Set up the alloc pool before using add_constant and
8081 dump_table, and destroy it when finishing.
8083 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8085 * config/mips/mips.c: Remove redundant comment.
8087 2006-03-10 Jason Merrill <jason@redhat.com>
8090 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8091 the target was declared 'register'.
8093 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8095 * genpreds.c (write_insn_constraint_len): Change definition of
8096 insn_constraint_len to return size_t to match the declaration.
8098 2006-03-10 DJ Delorie <dj@redhat.com>
8100 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8102 (m32c_expand_insv): Fix test for an AND mask.
8104 2006-03-10 Richard Guenther <rguenther@suse.de>
8107 * builtins.c (get_pointer_alignment): Handle component
8108 references for field alignment.
8110 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8112 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8113 when building with libgloss.
8114 (sh*elf): Implement --without-fp option.
8115 (sh64-superh-linux*): Don't multilib.
8117 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8119 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8121 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8123 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8124 Set it when one of the replacement functions returned true.
8125 Return TODO_cleanup_cfg if cfgchanged is true.
8126 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8128 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8130 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8131 instead of gen_lowpart.
8133 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8135 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8137 (mips_output_order_conditional_branch): Declare.
8138 * config/mips/mips.h (MIPS_BRANCH): New macro.
8139 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8140 for the comparison. Use gen_condjump.
8141 (mips_output_conditional_branch): Rework interface to take the
8142 asm templates for a direct branch and the inverse of a direct branch.
8143 (mips_output_order_conditional_branch): New function.
8144 (mips_builtin_branch_and_move): New function.
8145 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8146 branch condition. Use gen_single_cc as the condition for
8147 __builtin_mips_upper_* or __builtin_mips_lower_*.
8148 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8149 Use VOIDmode for the branch condition.
8150 * config/mips/predicates.md (order_operator): New predicate.
8151 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8152 (branch_fp): Rename to...
8153 (*branch_fp): ...this. Remove mode from comparison operator.
8154 Use new mips_output_conditional_branch interface.
8155 (branch_fp_inverted): Rename to...
8156 (*branch_fp_inverted): ...this and update as for *branch_fp.
8157 (*branch_zero<mode>): Rename to...
8158 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8159 Use mips_output_order_conditional_branch. Only accept ordered
8161 (*branch_zero<mode>_inverted): Rename to...
8162 (*branch_order<mode>_inverted): ...this and update as for
8163 *branch_order<mode>.
8164 (*branch_equality<mode>): Accept zero as the second operand to
8165 the equality operator. Use the new mips_output_conditional_branch
8167 (*branch_equality<mode>_inverted): Likewise.
8168 (condjump): New expander.
8169 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8171 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8172 (bc1any2t, bc1any2f): Likewise.
8173 (single_cc): New expander.
8174 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8176 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8178 * doc/md.texi: Update documentation of MIPS constraints.
8179 * config/mips/constraints.md: New file.
8180 * config/mips/mips.md: Include it.
8181 * config/mips/mips.c (mips_char_to_class): Delete.
8182 (override_options): Don't initialize mips_char_to_class.
8183 * config/mips/mips.h (mips_char_to_class): Delete.
8184 (REG_CLASS_FROM_LETTER): Delete.
8185 (CONST_OK_FOR_LETTER_P): Delete.
8186 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8187 (EXTRA_CONSTRAINT_Y): Delete.
8188 (EXTRA_CONSTRAINT_STR): Delete.
8189 (CONSTRAINT_LEN): Delete.
8190 (EXTRA_MEMORY_CONSTRAINT): Delete.
8192 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8194 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8195 original fn's eh regions.
8197 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8199 * fold-const.c (build_range_check): Make sure to use a valid type to
8200 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8203 (range_predecessor): New static function.
8204 (range_successor): Likewise.
8205 (merge_ranges): Use them to compute predecessors and successors of
8208 2006-03-09 Roger Sayle <roger@eyesopen.com>
8211 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8212 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8214 2006-03-08 DJ Delorie <dj@redhat.com>
8216 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8217 (addpsi3): Expand to include memory operands. Remove
8218 reload-specific splits.
8219 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8220 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8221 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8222 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8223 (shift1_qi, shift1_hi, insv): New.
8224 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8225 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8226 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8228 * config/m32c/m32c-protos.h: Update as needed.
8229 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8230 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8231 Fail for unrecognized R* constraints.
8232 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8233 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8234 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8236 (m32c_init_libfuncs): New.
8237 (m32c_legitimate_address_p): Add debug wrapper.
8238 (m32c_rtx_costs): New.
8239 (m32c_address_cost): New.
8240 (conversions): Add 'B' prefix.
8241 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8242 operands, or word regnames for QI operands. 'B' prints bit
8244 (m32c_expand_setmemhi): New.
8245 (m32c_expand_movmemhi): New.
8246 (m32c_expand_movstr): New.
8247 (m32c_expand_cmpstr): New.
8248 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8249 (m32c_expand_neg_mulpsi3): Handle non-ints.
8250 (m32c_cmp_flg_0): New.
8251 (m32c_expand_movcc): New.
8252 (m32c_expand_insv): New.
8253 (m32c_scc_pattern): New.
8254 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8255 a0/a1 out of SIregs.
8256 (STORE_FLAG_VALUE): New.
8257 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8260 * config/m32c/mov.md: Make constraints more liberal.
8261 (zero_extendqihi2): Optimize r0/r1 case.
8262 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8263 * config/m32c/predicates.md (m32c_any_operand): New.
8264 (m32c_nonimmediate_operand): New.
8265 (m32c_hl_operand): New.
8266 (m32c_r3_operand): New.
8269 (memsym_operand): New.
8270 (memimmed_operand): New.
8271 (a_qi_operand): New.
8272 (m32c_eqne_operator): New.
8273 (m32c_1bit8_operand): New.
8274 (m32c_1bit16_operand): New.
8275 (m32c_1mask8_operand): New.
8276 (m32c_1mask16_operand): New.
8277 * config/m32c/blkmov.md: New file.
8278 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8280 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8282 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8283 unsigned to fix signed/unsigned comparison issue in
8284 DWARF2_FRAME_REG_OUT.
8285 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8286 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8288 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8289 of ptr into the ENABLE_CHECKING section.
8291 2006-03-08 Jeff Law <law@redhat.com>
8293 * tree-vrp.c (infer_value_range): Only count pointer uses
8294 and dereferences if -fdelete-null-pointer-checks is enabled.
8296 * tree-vrp.c (find_assert_locations): Infer value ranges for
8297 single use pointers, but do not create ASSERT_EXPRs for them.
8298 When a non-null range is inferred for a pointer, backwards
8299 propagate that range to other equivalent pointers through the
8302 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8305 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8306 language hook targets.
8307 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8308 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8309 if language hook targets were missing.
8311 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8313 * tree-ssa-opfinalize.h: Removed.
8314 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8316 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8317 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8318 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8319 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8320 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8321 finalize_ssa_v_must_def_ops): New.
8323 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8325 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8328 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8330 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8332 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8333 addresses with offsets; reorganize.
8335 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8336 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8337 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8339 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8342 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8344 2006-03-08 Ben Elliston <bje@au.ibm.com>
8346 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8348 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8351 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8354 2006-03-07 Richard Guenther <rguenther@suse.de>
8356 PR tree-optimization/26587
8357 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8359 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8361 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8363 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8365 * hooks.c (hook_bool_mode_rtx_true): New function.
8366 * hooks.h (hook_bool_mode_rtx_true): Declare.
8367 * toplev.c (compile_file): Call output_shared_constant_pool.
8368 * varasm.c (shared_constant_pool): New variable.
8369 (assemble_start_function, assemble_end_function): Remove arguments
8370 from call to output_constant_pool.
8371 (create_constant_pool): New function, split out from...
8372 (init_varasm_status): ...here.
8373 (force_const_mem): Choose between the shared and per-function constant
8374 pools. Set current_function_uses_const_pool when reusing old entries
8375 as well as when creating new ones.
8376 (mark_constant): Ignore data argument.
8377 (mark_constants): Remove pool argument.
8378 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8379 to decide whether the function uses a constant pool.
8380 (output_constant_pool_contents): New function, split out from...
8381 (output_constant_pool): ...here.
8382 (output_shared_constant_pool): New function.
8383 (init_varasm_once): Initialize shared_constant_pool.
8384 * output.h (output_constant_pool): Delete.
8385 (output_shared_constant_pool): Declare.
8386 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8387 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8389 2006-03-06 Nick Clifton <nickc@redhat.com>
8391 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8392 flag_strength_reduce.
8394 2006-03-06 Ben Elliston <bje@au.ibm.com>
8396 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8397 x86_64-*-linux* configurations.
8399 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8400 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8402 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8404 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8406 * basic-block.h: Remove the extern for
8407 rediscover_loops_after_threading.
8409 * cfgloop.c (cancel_loop): Make it static.
8410 * cfgloop.h: Remove the prototype for cancel_loop.
8412 * flow.c (recompute_reg_usage): Make it static.
8413 * rtl.h: Remove the prototype for recompute_reg_usage.
8415 * function.c (use_return_register): Make it static.
8416 * function.h: Remove the prototype.
8418 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8420 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8422 * recog.h: Remove the prototype for
8423 validate_change_maybe_volatile.
8425 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8427 * rtlanal.c (replace_reg): Remove.
8428 * rtl.h: Remove the prototype for replace_reg.
8430 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8432 * regclass.c (reg_scan_update): Remove.
8433 (reg_scan_mark_refs): Remove the last argument.
8434 * rtl.h: Remove the prototype for reg_scan_update.
8436 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8438 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8439 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8440 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8441 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8442 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8443 loop-invariant.c, omp-low.c, opts.c, passes.c,
8444 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8445 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8446 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8447 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8448 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8449 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8451 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8453 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8454 * dwarf2out.h: Remove the prototype for
8455 dwarf2out_add_library_unit_info.
8457 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8459 * tree.c (add_var_to_bind_expr): Remove.
8460 * tree.h: Remove the prototype for add_var_to_bind_expr.
8462 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8464 * regclass.c (n_non_fixed_regs): Remove.
8465 (init_reg_sets_1, globalize_reg): Remove all uses of
8467 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8471 * rtlanal.c (insns_safe_to_move_p): Remove.
8472 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8474 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8476 * expmed.c (expand_mult_add): Remove.
8477 * expr.h: Remove the prototype for expand_mult_add.
8479 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8481 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8482 and REG_SAVED_VAL_EXP constants.
8483 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8484 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8485 Handle regs stored by value.
8486 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8487 (execute_cfa_program): Handle DW_CFA_val_offset,
8488 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8489 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8490 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8491 (uw_install_context_1): Handle target regs stored by value.
8493 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8495 * tree-sra.c (tree_sra): Return todoflags;
8496 (generate_one_element): Set TODO_update_smt_usage if needed.
8497 (pass_sra): Remove TODO_update_smt_usage.
8498 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8500 (tree_ssa_forward_propagate_single_use_vars): Return
8501 TODO_update_smt_usage if we need to update SMT usage.
8502 (pass_forwprop): Remove TODO_update_smt_usage.
8504 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8506 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8507 (correct_use_link): Remove reference to get_stmt_operands.
8508 (update_stmt_operands): Likewise.
8509 (get_modify_expr_operands): New function factored out of
8510 parse_ssa_operands and get_expr_operands.
8511 Try to create V_MUST_DEFs for LHS by default.
8512 (get_expr_operands) <case MODIFY_EXPR>: Call
8513 get_modify_expr_operands.
8514 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8515 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8516 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8517 get_modify_expr_operands.
8519 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8521 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8522 * tree-flow.h: Remove the prototype for
8523 referenced_var_lookup_if_exists.
8525 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8527 PR rtl-optimization/26345
8529 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8531 2006-03-03 Roger Sayle <roger@eyesopen.com>
8533 PR tree-optimization/26524
8534 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8535 fold_convert to create a constant of the appropriate type.
8537 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8539 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8540 SYMBOL_REF_IN_BLOCK_P.
8541 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8542 of SYMBOL_FLAG_IN_BLOCK.
8543 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8544 instead of SYMBOL_REF_IN_BLOCK_P.
8545 * explow.c (use_anchored_address): Likewise.
8546 * rtl.c (rtx_size): Likewise.
8547 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8548 instead of SYMBOL_FLAG_IN_BLOCK.
8549 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8550 SYMBOL_REF_IN_BLOCK_P.
8551 (assemble_variable): Likewise.
8552 (output_constant_def_contents): Likewise.
8553 (output_constant_pool): Likewise.
8554 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8555 instead of SYMBOL_FLAG_IN_BLOCK.
8556 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8557 SYMBOL_REF_IN_BLOCK_P.
8558 (SYMBOL_REF_BLOCK): Likewise.
8559 (SYMBOL_REF_OFFSET): Likewise.
8560 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8561 SYMBOL_REF_IN_BLOCK_P.
8562 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8563 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8564 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8565 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8567 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8569 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8571 2006-03-02 Roger Sayle <roger@eyesopen.com>
8573 * simplify-rtx.c (simplify_unary_operation): When simplifying
8574 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8575 that we perform the right shift in the appropriate mode, and
8576 then extend or truncate the result to requested mode.
8578 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8580 * gengtype.c (main): Handle double_int type.
8581 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8582 * double-int.c: New file.
8583 * double-int.h: New file.
8584 * system.h: Include doubleint.h.
8585 * Makefile.in (SYSTEM_H): Include double-int.h.
8586 (double-int.o): Add.
8588 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8591 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8594 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8596 * tree-vrp.c (remove_range_assertions): Do not update statements
8599 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8601 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8603 * gcse.c (rest_of_handle_gcse): Ditto.
8604 * except.c (gate_handle_eh): Ditto.
8605 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8606 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8608 2006-03-02 Eric Christopher <echristo@apple.com>
8610 * config/i386/i386.c (machopic_output_stub): Add indirection to
8613 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8617 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8619 Sun Niagara specific optimizations.
8620 * config.gcc: Recognize niagara as target.
8621 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8622 (TARGET_CPU_niagara): Define.
8623 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8624 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8625 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8626 (ASM_CPU_SPEC): Likewise.
8627 (PROCESSOR_NIAGARA): New enum entry.
8628 (REGISTER_MOVE_COST): Handle Niagara.
8629 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8630 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8631 (sparc_override_options): Recognize "niagara", set appropriate
8632 default MASK_* values for it, and align functions to 32-bytes
8633 by default just like ULTRASPARC/ULTRASPARC3.
8634 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8635 (sparc64_initialize_trampoline): Likewise.
8636 (sparc_use_sched_lookahead): Use zero for niagara.
8637 (sparc_issue_rate): Use one for niagara.
8638 * config/sparc/niagara.md: New file.
8639 * config/sparc/sparc.md: Include it.
8640 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8641 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8642 when default cpu is niagara.
8643 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8644 (ASM_CPU_SPEC): Likewise.
8645 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8646 when default cpu is niagara.
8647 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8648 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8649 just like v9/ultrasparc/ultrasparc3.
8650 * doc/invoke.texi: Add documentation for "niagara" and improve
8651 existing documentation for ultrasparc variants.
8653 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8655 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8657 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8659 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8660 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8661 and say that only one is needed.
8662 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8663 * target.h (have_switchable_bss_sections): New hook.
8664 * explow.c (use_anchored_address): Check that the symbol is in a block.
8665 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8666 (bss_noswitch_section): New variables.
8667 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8668 (get_noswitch_section): New function.
8669 (get_block_for_section): Allow SECT to be null.
8670 (unlikely_text_section_p): Use SECTION_STYLE.
8671 (bss_initializer_p): New function.
8672 (get_variable_section): Move earlier in file. Take a new argument,
8673 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8674 Return one of the new *_sections in such cases.
8675 (get_block_for_decl): New function, extracting some logic from
8676 use_blocks_for_decl_p.
8677 (change_symbol_section): Remove in favor of...
8678 (change_symbol_block): ...this new function.
8679 (use_blocks_for_decl_p): Remove checks now performed by
8681 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8682 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8683 (emit_local, emit_bss, emit_common): ...these new functions.
8684 Return true if the alignment was honored.
8685 (emit_tls_common): New function.
8686 (asm_emit_uninitialised): Delete.
8687 (assemble_variable_noswitch): New function, split out from...
8688 (assemble_variable): ...here. Don't make decisions about common
8689 variables here. Globalize all public decls that go into non-common
8690 sections. Check whether SYMBOL_REF_BLOCK is null.
8691 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8692 (output_constant_pool): Likewise.
8693 (init_varasm_once): Initialize the new section variables.
8694 (have_global_bss_p): New function.
8695 (categorize_decl_for_section): Use bss_initializer_p.
8696 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8697 (place_block_symbol): Assert that the symbol must be in a block.
8698 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8699 (TARGET_INITIALIZER): Include it.
8700 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8701 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8702 (SECTION_MACH_DEP): Bump by two.
8703 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8704 (unnamed_section): Mention SECTION_UNNAMED in comment.
8705 (named_section): Likewise SECTION_NAMED.
8706 (noswitch_section_callback): New type.
8707 (noswitch_section): New structure.
8708 (section): Add a noswitch_section alternative.
8709 (SECTION_STYLE): New macro.
8710 (tls_comm_section, comm_section, lcomm_section): Declare.
8711 (bss_noswitch_section, have_global_bss_p): Declare.
8712 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8713 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8715 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8716 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8719 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8721 * tree-vrp.c (execute_vrp): Return value.
8722 * regrename.c (rest_of_handle_regrename): Ditto.
8723 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8724 * tree-complex.c (tree_lower_complex): Ditto.
8725 (tree_lower_complex_O0): Ditto.
8726 * tracer.c (rest_of_handle_tracer): Ditto.
8727 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8728 * postreload.c (rest_of_handle_postreload): Ditto.
8729 * tree-tailcall.c (execute_tail_recursion): Ditto.
8730 (execute_tail_calls): Ditto.
8731 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8732 * tree.h (init_function_for_compilation): Ditto.
8733 * ipa-cp.c (ipcp_driver): Ditto.
8734 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8735 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8736 * final.c (compute_alignments): Ditto.
8737 (rest_of_handle_final): Ditto.
8738 (rest_of_handle_shorten_branches): Ditto.
8739 (rest_of_clean_state): Ditto.
8740 * omp-low.c (execute_expand_omp): Ditto.
8741 (execute_lower_omp): Ditto.
8742 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8743 * ipa-reference.c (static_execute): Ditto.
8744 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8745 * reorg.c (rest_of_handle_delay_slots): Ditto.
8746 (rest_of_handle_machine_reorg): Ditto.
8747 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8748 * flow.c (recompute_reg_usage): Ditto.
8749 (rest_of_handle_remove_death_notes): Ditto.
8750 (rest_of_handle_life): Ditto.
8751 (rest_of_handle_flow2): Ditto.
8752 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8753 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8754 (do_ssa_store_ccp): Ditto.
8755 (execute_fold_all_builtins): Ditto.
8756 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8757 * modulo-sched.c (rest_of_handle_sms): Ditto.
8758 * ipa-pure-const.c (static_execute): Ditto.
8759 * cse.c (rest_of_handle_cse): Ditto.
8760 (rest_of_handle_cse2): Ditto.
8761 * web.c (rest_of_handle_web): Ditto.
8762 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8763 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8764 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8765 * tree-nrv.c (tree_nrv): Ditto.
8766 (execute_return_slot_opt): Ditto.
8767 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8768 (create_structure_vars): Ditto.
8769 * loop-init.c (rtl_loop_init): Ditto.
8770 (rtl_loop_done): Ditto.
8771 (rtl_move_loop_invariants): Ditto.
8772 (rtl_unswitch): Ditto.
8773 (rtl_unroll_and_peel_loops): Ditto.
8774 (rtl_doloop): Ditto.
8775 * gimple-low.c (lower_function_body): Ditto.
8776 (mark_used_blocks): Ditto.
8777 * tree-ssa-sink.c (execute_sink_code): Ditto.
8778 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8779 (cgraph_early_inlining): Ditto.
8780 * global.c (rest_of_handle_global_alloc): Ditto.
8781 * jump.c (cleanup_barriers): Ditto.
8782 (purge_line_number_notes): Ditto.
8783 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8784 (rest_of_handle_if_after_reload): Ditto.
8785 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8786 (tree_ssa_loop_im): Ditto.
8787 (tree_ssa_loop_unswitch): Ditto.
8788 (tree_vectorize): Ditto.
8789 (tree_linear_transform): Ditto.
8790 (tree_ssa_loop_ivcanon): Ditto.
8791 (tree_ssa_empty_loop): Ditto.
8792 (tree_ssa_loop_bounds): Ditto.
8793 (tree_complete_unroll): Ditto.
8794 (tree_ssa_loop_prefetch): Ditto.
8795 (tree_ssa_loop_ivopts): Ditto.
8796 (tree_ssa_loop_done): Ditto.
8797 * predict.c (tree_estimate_probability): Ditto.
8798 * recog.c (split_all_insns_noflow): Ditto.
8799 (rest_of_handle_peephole2): Ditto.
8800 (rest_of_handle_split_all_insns): Ditto.
8801 * tree-eh.c (lower_eh_constructs): Ditto.
8802 * regmove.c (rest_of_handle_regmove): Ditto.
8803 (rest_of_handle_stack_adjustments): Ditto.
8804 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8805 * function.c (instantiate_virtual_regs): Ditto.
8806 (init_function_for_compilation): Ditto.
8807 (rest_of_handle_check_leaf_regs): Ditto.
8808 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8809 (rest_of_handle_gcse): Ditto.
8810 * ipa-type-escape.c (type_escape_execute): Ditto.
8811 * alias.c (rest_of_handle_cfg): Ditto.
8812 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8813 * profile.c (rest_of_handle_branch_prob): Ditto.
8814 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8815 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8816 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8817 * tree-dfa.c (find_referenced_vars): Ditto.
8818 * except.c (set_nothrow_function_flags): Ditto.
8819 (convert_to_eh_region_ranges): Ditto.
8820 (rest_of_handle_eh): Ditto.
8821 * emit-rtl.c (unshare_all_rtl): Ditto.
8822 (remove_unnecessary_notes): Ditto.
8823 * except.h (set_nothrow_function_flags): Ditto.
8824 (convert_to_eh_region_ranges): Ditto.
8825 * cfgexpand.c (tree_expand_cfg): Ditto.
8826 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8827 * tree-ssa-pre.c (do_pre): Ditto.
8828 (execute_fre): Ditto.
8829 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8830 (rest_of_handle_jump2): Ditto.
8831 * tree-sra.c (tree_sra): Ditto.
8832 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8833 (execute_mudflap_function_decls): Ditto.
8834 * tree-ssa-copy.c (do_copy_prop): Ditto.
8835 (do_store_copy_prop): Ditto.
8836 * ipa-prop.h (ipcp_driver): Ditto.
8837 * cfglayout.c (insn_locators_initialize): Ditto.
8838 * tree-ssa-forwprop.c
8839 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8840 * cfglayout.h (insn_locators_initialize): Ditto.
8841 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8842 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8843 (execute_late_warn_uninitialized): Ditto.
8844 * rtl.h (cleanup_barriers): Ditto.
8845 (split_all_insns_noflow): Ditto.
8846 (purge_line_number_notes): Ditto.
8847 (unshare_all_rtl): Ditto.
8848 (remove_unnecessary_notes): Ditto.
8849 (recompute_reg_usage): Ditto.
8850 (variable_tracking_main): Ditto.
8851 * integrate.c (emit_initial_value_sets): Ditto.
8852 * integrate.h (emit_initial_value_sets): Ditto.
8853 * tree-optimize.c (execute_free_datastructures): Ditto
8854 (execute_free_cfg_annotations): Ditto.
8855 (execute_fixup_cfg): Ditto.
8856 (execute_cleanup_cfg_pre_ipa): Ditto.
8857 (execute_cleanup_cfg_post_optimizing): Ditto.
8858 (execute_init_datastructures): Ditto.
8859 * tree-object-size.c (compute_object_sizes): Ditto.
8860 * combine.c (rest_of_handle_combine): Ditto.
8861 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8862 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8863 (rest_of_handle_reorder_blocks): Ditto.
8864 (rest_of_handle_partition_blocks): Ditto.
8865 * var-tracking.c (variable_tracking_main): Ditto.
8866 * tree-profile.c (tree_profiling): Ditto.
8867 * tree-vect-generic.c (expand_vector_operations): Ditto.
8868 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8869 * sched-rgn.c (rest_of_handle_sched): Ditto.
8870 (rest_of_handle_sched2): Ditto.
8871 * basic-block.h (free_bb_insn): Ditto.
8872 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8873 * tree-cfg.c (execute_build_cfg): Ditto.
8874 (remove_useless_stmts): Ditto.
8875 (split_critical_edges): Ditto.
8876 (execute_warn_function_return): Ditto.
8877 (execute_warn_function_noreturn): Ditto.
8878 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8879 * cfgrtl.c (free_bb_for_insn): Ditto.
8880 * passes.c (execute_one_pass): Run additional
8881 todos returned by execute function.
8882 * tree-pass.h (struct tree_opt_pass): Make execute
8885 2006-03-02 Richard Guenther <rguenther@suse.de>
8887 * tree-ssa-alias.c (find_used_portions): Consider taking
8888 the address as making the variable not write-only.
8890 2006-03-02 Nick Clifton <nickc@redhat.com>
8892 * config.gcc (default_use_cxa_atexit): Extend the description of
8893 this configure variable. Set its default value to "yes" for
8894 Linux, NetBSD and ELF targets on the assumption that they will
8895 use C libraries with the __cxa_atexit function.
8897 2006-03-02 Ben Elliston <bje@au.ibm.com>
8899 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8900 parameter as unused to suppress a build warning.
8902 2006-03-02 Ben Elliston <bje@au.ibm.com>
8904 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8907 2006-03-01 Roger Sayle <roger@eyesopen.com>
8910 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8911 declared name, the weak reference name, and the typeof name.
8912 (__gthrw): Avoid expanding the declared name suffix.
8913 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8915 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8917 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8919 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8920 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8921 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8922 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8923 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8924 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8925 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8926 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8927 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8928 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8929 (DW_END_default, DW_END_big, DW_END_little): New.
8930 (DW_END_lo_user, DW_END_hi_user): Define.
8931 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8932 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8933 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8936 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8938 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8940 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8942 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8944 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8946 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8947 to 'symbol_mem_tag'.
8949 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8952 2006-03-01 Roger Sayle <roger@eyesopen.com>
8954 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8956 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8959 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8960 MACHO_DYNAMIC_NO_PIC_P.
8961 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8963 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8966 * config/darwin-protos.h (darwin_asm_output_anchor):
8968 * config/darwin-sections.def (cstring_section):
8969 Add SECTION_MERGE to the flags.
8970 (literal4_section): Likewise.
8971 (literal8_section): Likewise.
8972 (objc_selector_refs_section): Likewise.
8973 (objc_cls_refs_section): Likewise.
8974 * config/darwin.c (darwin_asm_output_anchor): New
8976 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8978 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8980 Fix PR tree-optimization/26443
8981 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8982 to todo and PROP_tmt_usage to properties_destroyed.
8983 * tree-ssa-ccp.c (pass_ccp): Ditto.
8984 (pass_store_ccp): Ditto.
8985 * tree-ssa-dom.c (pass_dominator): Ditto.
8987 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8989 * tree-ssa-operands.c: Cleanup whitespace.
8990 (get_asm_expr_operands): Move before first invocation.
8991 (get_indirect_ref_operands): Likewise.
8992 (get_tmr_operands): Likewise.
8993 (get_call_expr_operands): Likewise.
8994 (append_def): Likewise.
8995 (append_use): Likewise.
8996 (append_v_may_def): Likewise.
8997 (append_v_must_def): Likewise.
8998 (add_call_clobber_ops): Likewise.
8999 (add_call_read_ops): Likewise.
9000 (add_stmt_operand): Likewise.
9001 (add_virtual_operand): Likewise.
9002 (build_ssa_operands): Likewise.
9004 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9009 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9010 with a call expr to ...
9011 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9013 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9015 * tree-vrp.c (extract_range_from_assert): Remove special
9016 handling for types with super-types.
9018 2006-03-01 Ben Elliston <bje@au.ibm.com>
9020 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9021 and powerpc64-*-linux* configurations.
9022 * config/t-dfprules: New file.
9024 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9025 Compile dfp-bit.c from the source directory using -DWIDTH and
9026 $DFP_CFLAGS to control the compilation of that file, rather than
9027 generating width-specific versions in the build directory.
9028 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9029 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9031 2006-02-28 Zack Weinberg <zackw@panix.com>
9033 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9036 2006-02-28 Eric Christopher <echristo@apple.com>
9038 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9039 Set up IN_LIBGCC definition of TARGET_64BIT.
9040 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9042 2006-02-28 Roger Sayle <roger@eyesopen.com>
9045 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9046 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9047 cases via the construction of "expr != 0".
9049 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9051 * alias.c (alias_invariant, alias_invariant_size): Remove.
9052 (record_base_value): Remove.
9053 (memrefs_conflict_p): Don't look at alias_invariant.
9054 (end_alias_analysis): Don't free it.
9055 * alias.h (record_base_value): Remove prototype.
9057 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9058 Adam Nemet <anemet@caviumnetworks.com>
9060 * rtl.h (truncated_to_mode): Declare it.
9061 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9062 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9063 (RTL_HOOKS_INITIALIZER): Include it.
9064 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9065 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9066 reg_truncated_to_mode.
9067 * rtlanal.c (truncated_to_mode): Define it.
9068 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9070 2006-02-28 Jeff Law <law@redhat.com>
9072 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9073 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9074 the range allowed by TYPE_PRECISION.
9076 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9078 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9080 PR tree-optimization/26419
9081 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9084 2006-02-27 Zack Weinberg <zackw@panix.com>
9086 * doc/md.texi: Fix typo in previous change.
9088 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9092 2006-02-27 Zack Weinberg <zackw@panix.com>
9094 * rtl.def (define_constraint, define_register_constraint)
9095 (define_memory_constraint, define_address_constraint): New MD forms.
9096 * gensupport.c (process_rtx): Put define_constraint etc on the
9098 * genpreds.c (process_define_predicate): Adjust comment. Validate
9099 the name, and call validate_exp to validate the expression.
9100 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9101 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9102 all callers changed.
9103 (validate_exp, needs_variable, struct constraint_data)
9104 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9105 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9106 (const_dbl_constraints, constraint_max_namelen)
9107 (have_register_constraints, have_memory_constraints)
9108 (have_address_constraints, have_address_constraints)
9109 (have_extra_constraints, have_const_int_constraints)
9110 (have_const_dbl_constraints, mangle, add_constraint)
9111 (process_define_constraint, process_define_register_constraint)
9112 (write_enum_constraint_num, write_lookup_constraint)
9113 (write_insn_constraint_len, write_regclass_for_constraint)
9114 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9115 (write_insn_extra_memory_constraint)
9116 (write_insn_extra_address_constraint)
9117 (write_satisfies_constraint_fns): New.
9118 (write_tm_preds_h): If we have new-style constraint definitions,
9119 prototype the functions generated from them, and define the
9120 old constraint interface (still used by generic code) in terms of
9122 (write_insn_preds_c): If we have new-style constraint definitions,
9123 generate all relevant functions from those definitions.
9124 (main): Handle define_constraint etc.
9125 * genoutput.c (struct constraint_data, indep_constraints)
9126 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9127 (mdep_constraint_len): New data structures and functions, defined
9128 #ifdef USE_MD_CONSTRAINTS.
9129 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9130 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9131 use new logic to validate operand constraints against constraint
9133 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9135 * defaults.h: If none of the old-style constraint macros are
9136 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9137 old-style macros; and poison REG_CLASS_FROM_LETTER,
9138 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9140 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9141 * doc/md.texi: Document new constraint-definition mechanism and the
9142 C interface it provides. Remove references to old mechanism
9143 elsewhere in the document.
9144 (Machine Constraints): Use pathnames relative to gcc directory,
9145 i.e. config/ARCH/FILE. Change i386 section to refer to
9146 config/i386/predicates.md; update that section to match docstrings.
9147 * doc/tm.texi: Move all documentation of the old constraint-
9148 definition macros to their own section, clearly mark as obsolete.
9150 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9151 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9153 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9154 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9155 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9157 (splits and peepholes): Use satisfies_constraint_*.
9158 * config/i386/i386.c (memory_address_length)
9159 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9161 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9163 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9164 scalar operation to be put back into the loop.
9166 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9169 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9170 (extract_cie_info): Handle S flag in augmentation string.
9171 (execute_cfa_program): If context->signal_frame, execute also
9172 fs->pc == context->ra instructions.
9173 (uw_frame_state_for): If context->signal_frame, don't subtract one
9174 from context->ra to find FDE.
9175 (uw_update_context_1): Set context->signal_frame to
9177 (_Unwind_GetIPInfo): New function.
9178 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9179 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9181 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9182 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9183 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9184 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9185 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9186 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9187 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9188 x86_64_fallback_frame_state): Set fs->signal_frame.
9189 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9190 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9191 (frob_update_context): Likewise. Workaround missing S flag in
9192 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9193 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9194 Remove the psw_addr + 1 hack.
9196 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9198 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9199 with aggregates here.
9200 (find_func_aliases): Remove code for &<aggregate> from here.
9202 2006-02-26 Roger Sayle <roger@eyesopen.com>
9204 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9205 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9206 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9209 2006-02-26 Roger Sayle <roger@eyesopen.com>
9212 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9214 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9216 * opts.c (decode_options): Do not handle flag_strength_reduce.
9217 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9218 and OPT_fstrength_reduce.
9219 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9220 flag_prefetch_loop_arrays for being nonzero.
9221 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9223 (fprefetch-loop-arrays-rtl): Removed.
9224 (flag_prefetch_loop_arrays): Do not specify the value.
9226 * doc/passes.texi: Update documentation of loop optimizer
9228 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9229 -frerun-loop-opt): Remove.
9231 2006-02-26 Richard Guenther <rguenther@suse.de>
9233 PR tree-optimization/26421
9234 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9235 in function calls that are ADDR_EXPRs as using the whole structure.
9237 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9239 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9240 * tree-pass.h (pass_loop_optimize): Remove.
9241 * passes.c (pass_loop_optimize): Never run it.
9242 * toplev.c (backend_init): Don't call init_loop.
9243 * opts.c (flag_loop_optimize_set): Remove.
9244 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9245 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9246 the old RTL loop optimizer when profiling enabled.
9247 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9248 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9249 pre-headers for the sake of the old RTL loop optimizer.
9250 * Makefile.in: Remove all references to loop.o.
9252 * doc/invoke.texi: Remove all references to -floop-optimize
9253 and -frerun-loop-opt.
9255 2006-02-26 Zack Weinberg <zackw@panix.com>
9257 * doc/md.texi (Machine Constraints): Refer to all files with paths
9258 relative to gcc directory (i.e. config/CPU/file). Add missing
9259 @table @code ... @end table to M32C subsection.
9261 2006-02-26 Roger Sayle <roger@eyesopen.com>
9263 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9265 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9267 2006-02-26 Roger Sayle <roger@eyesopen.com>
9268 James A. Morrison <phython@gcc.gnu.org>
9271 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9272 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9273 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9274 signedness of the shift operation.
9276 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9278 PR tree-optimization/26359
9279 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9281 2006-02-25 Roger Sayle <roger@eyesopen.com>
9283 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9284 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9285 as X == 0, and some symmetry related transformations.
9286 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9288 2006-02-25 Roger Sayle <roger@eyesopen.com>
9291 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9292 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9293 symmetry related transformations. Fold (X^C1) == C2 as
9296 2006-02-25 Juergen Weigert <jw@suse.de>
9297 Richard Guenther <rguenther@suse.de>
9299 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9301 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9303 * combine.c (gen_lowpart_or_truncate): Call
9304 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9306 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9308 * doc/invoke.texi: Move -fopenmp description to "Options for
9310 Remove reference to -lgomp.
9312 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9314 * doc/install.texi: Require GNU tar version 1.14.
9316 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9318 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9319 * doc/invoke.texi (C++ Dialect Options): Document
9320 -fno-use-cxa-get-exception-ptr.
9321 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9322 * configure: Regenerate.
9323 * c.opt (fuse-cxa-get-exception-ptr): New.
9324 * c-opts.c (c_common_handle_option): Handle
9325 OPT_fuse_cxa_get_exception_ptr.
9326 * c-common.c (flag_use_cxa_atexit): Update documentation.
9327 (flag_use_cxa_get_exception_ptr): New.
9328 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9329 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9331 (C_COMMON_OVERRIDE_OPTIONS): New.
9333 2006-02-24 Roger Sayle <roger@eyesopen.com>
9336 * combine.c (try_combine): Explicitly check whether GET_CODE is
9337 a SET or a CLOBBER, instead on checking that it isn't a USE.
9339 2006-02-24 Roger Sayle <roger@eyesopen.com>
9341 * fold-const.c (fold_comparison): New subroutine of fold_binary
9342 containing transformations common to both the equality and
9343 ordering relational operators, factored out of fold_binary.
9344 (fold_binary): Separate out the equality operators (EQ_EXPR
9345 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9346 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9347 transformations common to both.
9348 (fold_div_compare): Fix latent bugs in the previously unreachable
9349 LT_EXPR and GE_EXPR cases.
9351 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9353 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9354 decl libname for clog to __clog on AIX.
9356 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9358 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9361 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9362 output traceback table for thunks. Localise rs6000_stack_info call.
9364 2006-02-23 Roger Sayle <roger@eyesopen.com>
9365 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9367 * gthr-posix.h (__gthrw): Fix typo in comment.
9369 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9371 * doc/cpp.texi (Character sets): Document that we do support
9372 input files to be in any character set.
9374 2006-02-23 Jeff Law <law@redhat.com>
9376 * tree.h (PHI_ARG_NONZERO): Remove.
9377 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9378 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9379 node to the new node.
9381 PR tree-optimization/26425
9382 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9383 min/max, then assume its varying.
9385 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9387 PR rtl-optimization/26316
9388 * rtlanal.c (enum may_trap_p_flags): New.
9389 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9390 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9391 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9392 (may_trap_after_code_motion_p): New function.
9393 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9394 (find_invariant_insn): Use may_trap_after_code_motion_p.
9395 * rtl.h (may_trap_after_code_motion_p): Declare.
9397 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9399 * emit-rtl.c (immed_double_const): Cleanup.
9401 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9403 Fix PR tree-optimization/26376
9404 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9407 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9410 * gimplify.c (omp_add_variable): Guard variable size decl test with
9411 DECL_SIZE (decl) check.
9413 2006-02-23 Richard Guenther <rguenther@suse.de>
9416 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9417 like aggregate types.
9419 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9421 * configure.ac: Add --with{,out}-long-double-128 configure option.
9422 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9423 * configure: Rebuilt.
9424 * config.in: Rebuilt.
9425 * doc/install.texi (Options specification): Document
9426 --with-long-double-128.
9428 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9429 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9430 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9431 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9433 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9435 * config/s390/s390.c (override_options): Handle
9436 TARGET_DEFAULT_LONG_DOUBLE_128.
9438 * config/alpha/alpha.c (override_options): Handle
9439 TARGET_DEFAULT_LONG_DOUBLE_128.
9441 * config/sparc/sparc.c (sparc_override_options): Handle
9442 TARGET_DEFAULT_LONG_DOUBLE_128.
9444 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9446 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9447 (real-install-headers-tar, real-install-headers-cpio)
9448 (real-install-headers-cp): New targets.
9450 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9452 * tree.h (variable_section): Delete.
9453 * varasm.c (variable_section): Delete.
9455 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9457 * install.texi: Add notes on install.texi2html.
9458 (Building in parallel): Do not use footnotes.
9460 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9463 * doc/install.texi (Configuration): Document --disable-libgomp.
9465 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9467 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9469 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9471 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9472 (vec_extractv2df_0_sse): New.
9474 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9476 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9477 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9478 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9479 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9480 to the result of the expression.
9481 (def_cfa_1): Adjust.
9482 (frame_pointer_cfa_offset): Rename to...
9483 (frame_pointer_fb_offset): ... this. Adjust all uses.
9484 (convert_cfa_to_loc_list): Rename to...
9485 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9486 Pass it on to build_cfa_loc.
9487 (compute_frame_pointer_to_cfa_displacement): Rename to...
9488 (compute_frame_pointer_to_fb_displacement): ... this. New
9489 offset parameter. Use it in computation.
9490 (gen_subprogram_die): Compute cfa_fb_offset with the new
9491 macro, and use it to compute the fb loc list and the
9494 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9496 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9497 replaced with register_operand.
9498 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9499 non-DREG is expensive.
9500 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9501 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9504 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9506 * doc/install.texi2html: Use set -e.
9508 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9510 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9511 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9512 * doc/invoke.texi (-fshared-data): Delete.
9513 * common.opt (fshared-data): Delete.
9514 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9515 (assemble_static_space): Remove #if 0 code.
9516 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9517 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9518 * config/cris/cris.h: Remove FIXME.
9520 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9522 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9525 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9528 * combine.c (simplify_shift_const_1): Disable nested shifts
9529 optimization for vector shifts.
9531 2006-02-20 Roger Sayle <roger@eyesopen.com>
9533 PR tree-optimization/26361
9534 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9535 of unsigned integer types.
9537 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9539 * tree-chrec.c (eq_evolutions_p): New.
9540 * tree-chrec.h (eq_evolutions_p): Declared.
9541 * tree-data-ref.c: Fix formatting.
9542 (datadep_stats, dependence_stats): New.
9544 (print_direction_vector): New.
9545 (dump_data_dependence_relation): Use print_direction_vector.
9546 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9547 (compute_subscript_distance): Static.
9548 (initialize_data_dependence_relation): Static. Get the number
9549 of loops surrounding the references from the callers, and initialize
9550 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9551 base_object_differ_p analyzers.
9552 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9553 compute_overlap_steps_for_affine_1_2,
9554 analyze_subscript_affine_affine): Count the classified dependences.
9555 Print a message when a test failed.
9556 (can_use_analyze_subscript_affine_affine): New.
9557 (analyze_siv_subscript): Compute the data dependences on symbolic
9558 scevs that verify can_use_analyze_subscript_affine_affine.
9559 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9560 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9561 Handle symbolic scevs.
9562 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9564 (subscript_dependence_tester): Moved...
9565 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9566 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9567 DDR_SIZE_VECT instead of getting it in parameter.
9568 (subscript_dependence_tester): ... here. Take as a parameter
9569 loop_nest_depth. Call build_classic_dist_vector and
9570 build_classic_dir_vector.
9571 (compute_affine_dependence): Update subscript_dependence_tester
9572 parameters. Update datadep_stats counters. Call
9573 compute_subscript_distance.
9574 (compute_self_dependence): Save the dist and dir vectors. Call
9575 compute_subscript_distance.
9576 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9577 (compute_all_dependences): Reorder parameters as they were before
9578 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9579 compute_subscript_distance. Update the use of
9580 compute_affine_dependence and initialize_data_dependence_relation.
9581 (find_data_references_in_loop): Handle COMPONENT_REF.
9582 (compute_data_dependences_for_loop): Initialize dependence_stats.
9583 Don't call build_classic_dist_vector and build_classic_dir_vector.
9584 Update the parameters of initialize_data_dependence_relation and
9585 compute_all_dependences. Print the statistics from datadep_stats.
9586 (analyze_all_data_dependences): Static. Not used until the pass for
9587 checking the data dependences is contributed.
9588 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9589 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9590 (initialize_data_dependence_relation, compute_affine_dependence,
9591 analyze_all_data_dependences, compute_subscript_distance): Removed.
9592 (print_direction_vector): New.
9593 * lambda.h (gcd): ... here.
9594 (lambda_vector_gcd): Moved here from gcd_vector.
9595 * lambda-code.c (gcd, gcd_vector): Removed.
9596 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9597 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9599 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9601 * ipa-type-escape.c: Tidy some comments and white space.
9602 * tree-ssa-operands.c: Likewise.
9604 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9607 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9608 (dump_decl_name): Do not walk the decl tree chains.
9609 * tree-pass.h (TDF_CHAIN): Remove.
9611 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9613 * Makefile.in (C): Remove
9615 (.PHONY): Remove C and PROTO
9617 2006-02-20 Roger Sayle <roger@eyesopen.com>
9620 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9621 deprecated CHAR_TYPE tree code.
9623 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9625 * configure.ac (target_list): Add install-info, dvi, html.
9626 * configure: Regenerate.
9628 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9629 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9630 treelang/Make-lang.in: Do not use double-colon rules.
9632 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9634 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9635 (TMT_USED_ALONE): New macro.
9636 * tree-pass.h (PROP_tmt_usage): New property.
9637 (TODO_update_tmt_usage): New todo.
9638 * tree-ssa-alias.c (updating_used_alone): New variable.
9639 (recalculate_used_alone): New function.
9640 (compute_may_aliases): Set updating_used_alone, call
9641 recalculate_used_alone.
9642 * tree-sra.c (pass_sra): Note that this pass destroys
9643 PROP_tmt_usage, and add TODO_update_tmt_usage.
9644 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9645 * tree-flow.h (updating_used_alone): Prototype.
9646 (recalculate_used_alone): Ditto.
9647 * passes.c (execute_todo): Add code to set updating_used_alone,
9648 and call recalculate.
9649 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9650 for clobber if used alone, and add assert to verify used_alone
9653 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9655 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9656 for non tls symbols added.
9657 (legitimize_address): Do nothing for PLUS expressions if one of the
9658 addends is a tls symbol reference.
9660 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9664 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9666 * Makefile.in (BOOTSTRAPPING): New.
9667 (quickstrap): New definition if BOOTSTRAPPING=yes.
9669 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9670 * configure.ac: Substitute all_selected_languages with the languages
9671 that were configured. For all the other variables except
9672 lang_specs_files, include all the languages in the tree.
9673 * configure: Regenerate.
9675 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9676 if there is one. Run the commands to run fixincludes in the same
9679 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9680 * doc/install.texi: Document exact conventions for searching target tools.
9681 Document --with-build-time-tools. Document toplevel bootstrap. Document
9682 something more about building an Ada cross-compiler. Don't list GNU Make
9683 requirements which affect all platforms.
9685 2006-02-19 Roger Sayle <roger@eyesopen.com>
9688 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9689 only equivalent if the have both the same mode and precision.
9691 2006-02-20 Ben Elliston <bje@au.ibm.com>
9693 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9695 2006-02-19 Roger Sayle <roger@eyesopen.com>
9696 Steven Bosscher <stevenb.gcc@gmail.com>
9698 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9699 constant pool references to identify stack mode constants.
9700 * rtlanal.c (constant_pool_constant_p): New predicate to check
9701 whether operand is a floating point constant in the pool.
9702 * rtl.h (constant_pool_constant_p): Prototype here.
9703 * loop.c (scan_loop): Avoid hoisting constants from the constant
9704 pool on STACK_REGS targets.
9705 (load_mems): Likewise.
9706 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9707 loads into x87 registers expensive in terms of register pressure.
9709 2006-02-19 Roger Sayle <roger@eyesopen.com>
9711 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9712 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9714 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9716 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9717 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9719 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9721 * doc/invoke.texi: Document -fipa-pta.
9722 * common.opt: Add ipa-pta option.
9723 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9724 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9725 (do_ds_constraint): Ditto.
9726 (get_constraint_for): Only add to referenced_vars if
9727 referenced_vars exists.
9728 (insert_into_field_list): Rewrite to do this unsorted.
9729 (insert_into_field_list_sorted): Rename old insert_into_field_list
9731 (create_function_info_for): Use insert_into_field_list_sorted.
9732 (create_variable_info_for): Rewrite so it uses unsorted version,
9733 since the field list is sorted.
9734 (intra_create_variable_infos): Only add to referenced_vars if
9735 referenced_vars exists.
9736 (ipa_pta_execute): Init heapvars, and delete when done.
9737 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9739 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9741 * doc/install.texi: Add missing `@samp'.
9743 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9745 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9748 2006-02-18 Mark Wielaard <mark@klomp.org>
9750 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9751 who added new 4.1 features, bug fixes and integration support.
9753 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9756 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9759 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9761 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9762 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9763 (copy_insn_1): Likewise. Don't copy each field individually.
9765 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9767 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9768 * rtl.c (rtx_size): Rename variable to...
9769 (rtx_code_size): ...this.
9770 (rtx_size): New function.
9771 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9772 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9774 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9775 * rtl.h (rtx_code_size): New variable.
9776 (rtx_size): Change from a variable to a function.
9777 (RTX_SIZE): Rename to...
9778 (RTX_CODE_SIZE): ...this.
9781 PR tree-optimization/17106
9782 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9783 (Anchored Addresses): New section.
9784 * doc/invoke.texi (-fsection-anchors): Document.
9785 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9786 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9787 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9788 * hooks.c (hook_bool_mode_rtx_false): New function.
9789 * hooks.h (hook_bool_mode_rtx_false): Declare.
9790 * gengtype.c (create_optional_field): New function.
9791 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9792 SYMBOL_REF_IN_BLOCK_P is true.
9793 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9794 (min_anchor_offset, max_anchor_offset): Likewise.
9795 (use_anchors_for_symbol_p): New hook.
9796 * toplev.c (compile_file): Call output_object_blocks.
9797 (target_supports_section_anchors_p): New function.
9798 (process_options): Check that -fsection-anchors is only used on
9799 targets that support it and when -funit-at-a-time is in effect.
9800 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9801 if the decl doesn't have one.
9802 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9803 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9804 of force_const_mem through use_anchored_address.
9805 (expand_expr_constant): New function.
9806 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9807 calling expand_expr for INDIRECT_REF.
9808 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9809 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9810 * expr.h (use_anchored_address): Declare.
9811 * loop-unroll.c: Don't declare rtx vectors here.
9812 * explow.c: Include output.h.
9813 (validize_mem): Call use_anchored_address.
9814 (use_anchored_address): New function.
9815 * common.opt (-fsection-anchors): New switch.
9816 * varasm.c (object_block_htab, anchor_labelno): New variables.
9817 (hash_section, object_block_entry_eq, object_block_entry_hash)
9818 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9819 (use_blocks_for_decl_p, change_symbol_section): New functions.
9820 (get_variable_section): New function, split out from assemble_variable.
9821 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9822 use_blocks_for_decl_p say so. Use change_symbol_section if the
9823 symbol has already been created.
9824 (assemble_variable_contents): New function, split out from...
9825 (assemble_variable): ...here. Don't output any code for
9826 block symbols; just pass them to place_block_symbol.
9827 Use get_variable_section and assemble_variable_contents.
9828 (get_constant_alignment, get_constant_section, get_constant_size): New
9829 functions, split from output_constant_def_contents.
9830 (build_constant_desc): Create a block symbol if use_object_blocks_p
9831 says so. Or into SYMBOL_REF_FLAGS.
9832 (assemble_constant_contents): New function, split from...
9833 (output_constant_def_contents): ...here. Don't output any code
9834 for block symbols; just pass them to place_section_symbol.
9835 Use get_constant_section and get_constant_alignment.
9836 (force_const_mem): Create a block symbol if use_object_blocks_p and
9837 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9838 (output_constant_pool_1): Add an explicit alignment argument.
9839 Don't switch sections here.
9840 (output_constant_pool): Adjust call to output_constant_pool_1.
9841 Switch sections here instead. Don't output anything for block symbols;
9842 just pass them to place_block_symbol.
9843 (init_varasm_once): Initialize object_block_htab.
9844 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9845 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9846 (place_block_symbol, get_section_anchor, output_object_block)
9847 (output_object_block_htab, output_object_blocks): New functions.
9848 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9849 (TARGET_ASM_OUT): Include it.
9850 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9851 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9852 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9853 (TARGET_INITIALIZER): Include them.
9854 * rtl.c (rtl_check_failed_block_symbol): New function.
9855 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9856 (block_symbol, object_block): New structures.
9857 (rtx_def): Add a block_symbol field to the union.
9858 (BLOCK_SYMBOL_CHECK): New macro.
9859 (rtl_check_failed_block_symbol): Declare.
9860 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9861 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9862 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9863 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9864 * output.h (output_section_symbols): Declare.
9865 (object_block): Name structure.
9866 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9867 (default_use_anchors_for_symbol_p): Declare.
9868 * Makefile.in (RTL_BASE_H): Add vec.h.
9869 (explow.o): Depend on output.h.
9870 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9871 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9872 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9873 (rs6000_use_blocks_for_constant_p): New function.
9875 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9877 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9879 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9882 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9885 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9887 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9891 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9894 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9895 instead of DECL_REGISTER.
9897 2006-02-18 Olivier Hainque <hainque@adacore.com>
9900 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9902 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9905 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9906 * opth-gen.awk: Handle Var and InverseMask together.
9907 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9908 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9909 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9910 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9912 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9913 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9914 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9915 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9916 LINUX_DYNAMIC_LINKER): Define.
9917 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9918 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9920 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9921 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9922 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9924 (TARGET_C99_FUNCTIONS): Don't define.
9925 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9926 GLIBC_DYNAMIC_LINKER.
9927 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9928 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9929 GLIBC_DYNAMIC_LINKER64): Define.
9930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9931 LINUX_DYNAMIC_LINKER64.
9932 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9934 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9936 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9938 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9939 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9940 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9942 and LINUX_DYNAMIC_LINKER32.
9943 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9945 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9946 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9947 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9949 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9950 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9951 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9952 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9953 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9954 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9955 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9956 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9957 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9958 LINUX_DYNAMIC_LINKER): Define.
9959 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9960 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9961 GLIBC_DYNAMIC_LINKER64): Define.
9962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9963 LINUX_DYNAMIC_LINKER64.
9964 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9965 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9966 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9967 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9968 LINUX_DYNAMIC_LINKER): Define.
9969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9970 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9971 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9972 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9973 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9974 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9975 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9976 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9977 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9978 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9980 * doc/invoke.texi (-muclibc): Remove caveat about supported
9983 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9985 * doc/cpp.texi (__TIMESTAMP__): Document.
9987 2006-02-17 Roger Sayle <roger@eyesopen.com>
9990 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9991 C is one less than the width of X (and related transformations).
9992 * simplify-rtx.c (simplify_unary_operation_1): Transform
9993 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9994 depending on STORE_FLAG_VALUE, were C is one less then the
9997 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9999 Fix PR tree-optimization/26341
10000 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10001 about NAME_MEMORY_TAG's.
10003 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10006 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10007 with hardware float support, and software float support. Add fcpy
10008 alternative to hardware patterns. Add alternatives to copy between
10009 general and floating-point registers to the 32-bit pattern.
10010 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10011 secondary reload to load a QI or HI mode constant into a floating
10013 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10014 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10016 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10019 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10021 (load_macho_picbase_di): Likewise.
10023 2006-02-16 Jeff Law <law@redhat.com>
10025 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10026 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10027 (ssa_name_nonzero_p): Likewise.
10028 (get_value_range): Return NULL if VRP is not running.
10029 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10030 VRP routines do not discover a range.
10031 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10032 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10033 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10034 (tree_expr_nonnegative_p): Similarly.
10035 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10036 (restore_nonzero_vars_to_original_value): Remove.
10037 (unsafe_associative_fp_binop): Remove.
10038 (tree_ssa_dominator_optimize): Remove initialization and
10039 finalization of nonzero_vars and nonzero_vars_stack.
10040 (dom_opt_initialize_block): No longer push marker on
10041 nonzero_vars_stack.
10042 (dom_opt_finalize_block): No longer call
10043 restore_nonzero_vars_to_original_value.
10044 (record_equivalences_from_phis): No longer look for
10045 nonzero PHI arguments.
10046 (cprop_into_successor_phis): No longer propagate nonzero
10047 property into PHI arguments. Lose unused argument. Caller
10049 (record_equivalences_from_stmt): No longer record nonzero
10050 values for SSA_NAMEs.
10051 (lookup_avail_expr): No longer use nonzero_vars.
10053 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10054 for sizetype when sizetype is unsigned.
10056 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10058 PR rtl-optimization/25603
10059 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10060 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10061 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10062 with new meaning of SETS.
10064 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10069 * config/linux.opt: New file.
10070 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10071 LINUX_DYNAMIC_LINKER): Define.
10072 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10073 * config.gcc (*-*-linux*): Define extra_options.
10074 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10075 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10076 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10077 GLIBC_DYNAMIC_LINKER.
10078 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10079 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10080 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10081 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10082 * doc/invoke.texi (GNU/Linux Options): New section.
10084 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10086 * config/sparc/sparc.md (setjmp): Rewrite.
10087 (setjmp_32): Delete.
10088 (setjmp_64): Likewise.
10090 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10092 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10095 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10097 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10100 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10102 PR rtl-optimization/26296
10103 * Makefile.in (loop-invariant.c): Add except.h dependency.
10104 * loop-invariant.c: Include except.h.
10105 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10107 2005-02-16 Paul Brook <paul@codesourcery.com>
10109 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10112 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10114 PR rtl-optimization/25636
10115 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10116 when deciding whether an insn is an initializing insn.
10118 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10120 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10121 (tree_code_size): Ditto.
10122 * tree.h (struct tree_memory_tag): Remove parent_var.
10123 (struct tree_struct_field_tag): New.
10126 (union tree_node): Add sft member.
10127 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10129 (create_sft): Add size and offset argument, set SFT_OFFSET and
10131 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10132 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10133 * tree-flow-inline.h (get_subvar_at): Update for
10134 SFT_OFFSET/SFT_SIZE.
10135 (var_can_have_subvars): Ditto.
10136 (overlap_subvar): Ditto.
10137 * print-tree.c (print_node): Print out interesting things for
10139 * tree-flow.h (struct subvar): Remove offset and size members.
10140 * tree-ssa-operands.c (get_expr_operands): Update for
10141 get_indirect_ref_operands changes.
10142 (get_indirect_ref_operands): Call add_virtual_operand instead of
10143 add_stmt_operand. Only recurse on base var if requested.
10144 (access_can_touch_variable): New function.
10145 (add_stmt_operand): Split virtual operand handling into ...
10146 (add_virtual_operand): Here. Add offset, size, and for_clobber
10147 arguments. Prune alias sets.
10148 (add_call_clobber_ops): Call add_virtual_operand.
10150 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10152 PR middle-end/26300
10153 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10155 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10156 than TREE_CODE as index into omp_clause_num_ops array.
10158 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10160 PR rtl-optimization/26184
10161 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10163 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10164 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10165 must_precede, must_follow and tobe_scheduled.
10168 * opts.c (common_handle_option): Free new_option pointer.
10169 * df-core.c (df_analyze): Free postorder pointer.
10171 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10173 * Makefile.in: Fix the examples about the use of stamps
10175 2006-02-15 Michael Matz <matz@suse.de>
10177 PR middle-end/22275
10179 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10180 influenced by maximum_field_alignment or DECL_PACKED.
10181 (update_alignment_for_field): Ditto.
10182 (place_field): Ditto.
10183 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10186 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10188 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10189 (debug_flow_info): Pass it.
10190 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10191 * bb-reorder.c (reorder_basic_blocks): Likewise.
10192 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10193 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10194 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10195 * gcse.c (gcse_main, bypass_jumps): Likewise.
10196 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10197 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10198 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10199 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10200 * rtl.h (dump_flow_info): Adjust prototype.
10201 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10202 * var-tracking.c (variable_tracking_main): Likewise.
10203 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10204 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10207 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10209 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10212 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10214 PR tree-optimization/26209
10215 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10216 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10218 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10220 2006-02-14 Roger Sayle <roger@eyesopen.com>
10222 PR middle-end/23670
10223 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10224 (X,Y) and the corresponding symmetry related transformations.
10225 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10226 (X,Y) and its symmetry related transformations.
10228 2006-02-14 Roger Sayle <roger@eyesopen.com>
10230 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10233 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10235 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10237 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10240 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10241 support COMDAT group.
10242 * configure: Regenerate.
10244 2006-02-14 Roger Sayle <roger@eyesopen.com>
10246 PR middle-end/26279
10247 PR middle-end/26280
10248 PR middle-end/26283
10249 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10251 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10253 Fix PR tree-optimization/26260
10255 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10257 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10258 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10259 * tree-ssa-structalias.c (create_variable_info_for): Use
10260 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10262 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10264 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10266 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10267 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10268 of the ending condition.
10269 * tree-ssa-loop-manip.c: Include params.h.
10270 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10271 tree_unroll_loop): New functions.
10272 * tree-pass.h (pass_loop_prefetch): Declare.
10273 * loop.c (rest_of_handle_loop_optimize): Test for
10274 -fprefetch-loop-arrays-rtl.
10275 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10276 * timevar.def (TV_TREE_PREFETCH): New timevar.
10277 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10278 pass_loop_prefetch): New.
10279 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10280 (cleanup_tree_cfg_loop): Call scev_reset.
10281 * common.opt (fprefetch-loop-arrays-rtl): Add.
10282 * tree-ssa-loop-prefetch.c: New file.
10283 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10284 (new_temp_expr_table): Initialize expr_vars.
10285 (free_temp_expr_table): Cleanup expr_vars.
10286 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10287 expressions from being merged into one.
10288 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10289 (struct tree_niter_desc): Add control, bound and cmp fields.
10290 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10292 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10293 (tree-cfgcleanup.o): Add SCEV_H dependency.
10294 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10295 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10297 2006-02-14 Richard Guenther <rguenther@suse.de>
10299 PR tree-optimization/26258
10300 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10301 in PHI argument processing.
10303 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10305 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10306 new expression in the requested machine mode.
10308 2006-02-13 Roger Sayle <roger@eyesopen.com>
10310 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10311 directly, instead let do_compare_rtx_and_jump handle this for us.
10312 * expr.c (expand_expr_real_1): Likewise.
10313 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10314 before do_jump_by_parts_greater.
10315 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10316 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10318 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10320 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10322 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10324 PR rtl-optimization/26235
10325 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10326 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10329 2006-02-13 Jeff Law <law@redhat.com>
10331 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10334 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10336 PR middle-end/26092
10337 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10338 twice if decl is a builtin. When trying again, call get_callee_fndecl
10339 first to verify it is still a builtin.
10341 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10343 * dwarf2out.c (base_type_die): Don't add AT_name here.
10344 (subrange_type_die): Don't add AT_name here.
10345 (modified_type_die): Rearrange code flow. Do add AT_name here.
10347 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10349 PR rtl-optimization/26247
10350 PR rtl-optimization/26248
10351 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10353 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10355 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10356 * config/fixtfdi.c: Likewise.
10357 * config/fixunstfdi.c: Likewise.
10358 * config/floatditf.c: Likewise.
10360 2006-02-13 Roger Sayle <roger@eyesopen.com>
10362 PR middle-end/24427
10363 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10364 into (X,C2) if C1 is a subset of the bits of C2. Transform
10365 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10367 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10369 2006-02-13 Josh Conner <jconner@apple.com>
10372 * varasm.c (function_section): Check for section name before
10373 calling select_section on targets that define
10374 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10375 unlikely_text_section instead of hot_function_section if
10376 first_function_block_is_cold.
10378 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10380 PR middle-end/25335
10381 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10383 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10385 PR rtl-optimization/26222
10386 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10387 after tree->rtl expansion.
10388 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10389 before passing it to emit_move_insn.
10391 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10393 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10395 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10396 Clarify documentation.
10397 * c-common.h (warn_write_strings): Remove.
10398 * c-common.c (warn_write_strings): Likewise.
10399 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10402 2006-02-12 Roger Sayle <roger@eyesopen.com>
10404 PR middle-end/25724
10405 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10406 (do_jump_parts_zero_rtx): New function renamed from
10407 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10408 (do_jump_parts_equality_rtx): New function split out from
10409 do_jump_parts_equality. Old implementation renamed as above.
10410 Call do_jump_parts_zero_rtx if either operand is zero.
10411 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10412 do all of the heavy lifting.
10413 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10414 calling either do_jump_by_parts_greater_rtx or
10415 do_jump_by_parts_equality_rtx.
10416 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10417 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10418 moved to do_compare_rtx_and_jump, call it directly.
10419 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10420 mode argument. Call do_compare_rtx_and_jump.
10421 (emit_case_nodes): Update calls to do_jump_if_equal.
10423 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10425 PR rtl-optimization/26225
10426 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10428 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10430 PR rtl-optimization/26232
10431 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10433 2006-02-11 Jason Merrill <jason@redhat.com>
10436 * tree-inline.c (declare_return_variable): Just don't use the
10437 modify target if it's a gimple complex reg and the return slot
10440 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10442 * doc/contrib.texi: Update my entry.
10444 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10446 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10448 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10450 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10453 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10455 * doc/invoke.texi (-floop-optimize2): Removed.
10456 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10457 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10458 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10459 * common.opt (floop-optimize2): Removed.
10460 (fmove-loop-invariants): Enabled by default.
10462 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10464 * tree-if-conv.c (combine_blocks): Free the result of
10465 get_loop_exit_edges.
10467 2006-02-10 Jeff Law <law@redhat.com>
10469 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10471 PR tree-optimization/26213
10472 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10473 loop trying to follow SSA_NAME_VALUE chains.
10475 2006-02-10 Richard Guenther <rguenther@suse.de>
10477 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10478 deal with structures that end in implicitly variable sized arrays.
10480 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10482 PR rtl-optimization/24762
10483 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10486 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10488 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10489 (struct ivopts_data): Add regs_used field.
10490 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10491 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10492 instead of loop_data->regs_used;
10493 (free_loop_data): Do not free aux fields for loops.
10494 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10495 and tree_ssa_iv_optimize_finalize.
10497 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10499 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10501 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10504 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10505 computing the effective result type.
10507 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10509 PR inline-asm/16194
10510 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10511 (tree_overlaps_hard_reg_set): Declare.
10512 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10513 type and signature to match function type expected by walk_tree.
10514 (tree_overlaps_hard_reg_set): New function.
10515 (decl_conflicts_with_clobbers_p): Rename to:
10516 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10517 Use tree_overlaps_hard_reg_set. Changed caller.
10518 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10519 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10520 * cris.c (cris_md_asm_clobbers): Likewise.
10522 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10524 * reload1.c (emit_input_reload_insns): Delete code that tries to
10525 inherit using find_equiv_reg.
10527 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10529 * c-common.h (flag_const_strings): Don't declare.
10530 * c-common.c (flag_const_strings): Remove.
10531 * c.opt (fconst_strings): Remove.
10532 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10533 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10534 (c_common_init_options): Don't set flag_const_strings.
10535 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10537 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10539 * arm.md (tlobits_cbranch): New pattern.
10540 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10541 testing a single bit.
10543 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10546 * tree-ssa-pre.c (create_component_ref_by_pieces):
10547 Handle RETURN_DECL like VAR_DECL.
10549 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10551 PR middle-end/26134
10552 * fold-const.c (fold_indirect_ref_1): Fold
10553 "*(foo *)&complexfoo" to "__real__ complexfoo"
10554 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10556 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10558 * tree-flow-inline.h (var_can_have_subvars):
10559 Volatile variables should not have subvariables.
10561 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10564 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10565 multiplying unsigned values.
10568 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10570 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10572 2006-02-08 Jason Merrill <jason@redhat.com>
10575 * tree.def: Elaborate on difference from MODIFY_EXPR.
10576 * doc/c-tree.texi (INIT_EXPR): Likewise.
10577 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10578 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10579 (gimplify_target_expr): Likewise.
10580 (gimplify_cond_expr): Remove target handling.
10581 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10582 (gimplify_expr): Clobber it here.
10583 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10584 Do return slot optimization if we have an INIT_EXPR.
10587 * tree-inline.c (declare_return_variable): Also clear
10588 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10591 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10593 PR middle-end/22439
10594 * gimplify.c (gimplify_one_sizepos): Fix typo.
10596 2006-02-08 Jeff Law <law@redhat.com>
10598 PR tree-optimization/21417
10599 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10600 across a backedge if the control statement at the end of the
10601 block is data dependent on other statements in the same block.
10602 (record_temporary_equivalences_from_stmts): Remove over-conservative
10603 test for threading across backedges.
10605 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10606 control statement, handle all three special cases in the same
10607 manner as they all have the same desired solution. No longer
10608 special case edge flag updating when the post dominator is
10611 2006-02-08 Roger Sayle <roger@eyesopen.com>
10613 * tree.def (CHAR_TYPE): Remove.
10614 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10615 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10616 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10617 (gen_string_type_die): Delete unreachable function.
10619 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10620 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10621 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10622 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10623 * builtins.c (type_to_class): Likewise.
10624 * fold-const.c (fold_convert, build_range_check,
10625 merge_ranges): Likewise.
10626 * expr.c (count_type_elements): Likewise.
10627 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10628 * stor-layout.c (layout_type): Likewise.
10629 * ipa-type-escape.c (type_to_consider): Likewise.
10630 * gimplify.c (omp_firstprivatize_type_sizes,
10631 gimplify_type_sizes): Likewise.
10632 * explow.c (promote_mode): Likewise.
10633 * tree-sra.c (is_sra_scalar_type): Likewise.
10634 * varasm.c (output_constant): Likewise.
10635 * tree-inline.c (remap_type_1): Likewise.
10636 * convert.c (convert_to_pointer, convert_to_real,
10637 convert_to_integer, convert_to_complex): Likewise.
10639 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10641 * df-scan.c (df_def_record_1): A set destination may
10642 be a parallel regardless of mode.
10644 2006-02-08 Roger Sayle <roger@eyesopen.com>
10647 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10648 * config/mips/_tilib.c: Remove.
10649 * config/fixtfdi.c: New libgcc source file.
10650 * config/fixunstfdi.c: New source file.
10651 * config/floatditf.c: New source file.
10652 * config/floatunditf.c: New souce file.
10653 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10654 files above instead of config/mips/_tilib.c.
10655 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10657 2006-02-08 Jeff Law <law@redhat.com>
10659 PR tree-optimization/26169
10660 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10663 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10665 * df.h (DF_REG_SIZE): Return the length of the initialized
10668 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10670 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10671 __muldf3): Return a correctly signed zero.
10673 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10675 * passes.c (register_one_dump_file): Accept the current properties
10676 instead of pass number. Adjust call to dump_register. Remove
10678 (register_dump_files): Now a wrapper around...
10679 (register_dump_files_1): ... this one. Do not modify the pass
10681 (next_pass_1): Cosmetic fix.
10682 (execute_todo): Keep second parameter only. Use curr_properties
10683 instead of fetching it from the pass structure. Check and set
10685 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10686 instead of fetching it from the pass structure. Fix calls to
10687 execute_todo. Update curr_properties and initialize .vcg RTL dump
10688 after running the pass. Reset last_verified.
10689 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10691 (FIRST_AUTO_NUMBERED_DUMP): New.
10692 (dump_register): Remove "num" parameter, assign it within the
10694 (get_dump_file_name): Modify template for dumps.
10695 * tree-dump.h (dump_register): Adjust prototype.
10696 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10697 (PROP_trees): Add PROP_gimple_lomp.
10698 (TODO_set_props): New.
10699 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10700 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10701 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10703 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10705 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10706 (sparc64-*-linux*): Likewise.
10707 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10708 * config/sparc/t-linux: New file.
10709 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10710 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10711 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10712 -m32 -mlong-double-128.
10714 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10715 * config/alpha/t-linux: New file.
10716 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10718 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10719 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10720 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10721 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10722 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10723 (CPP_ARCH32_SPEC): Remove.
10725 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10727 PR tree-optimization/26145
10728 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10731 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10734 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10735 >= 240000 when generating code for SOM runtime.
10736 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10737 to $$dyncall when generating code for SOM runtime..
10739 2006-02-07 Dirk Mueller <dmueller@suse.com>
10742 * doc/invoke.texi (-Wsequence-point): Update documentation
10743 that -Wsequence-point is implemented for C++ as well.
10745 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10747 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10748 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10749 (LIB_SPEC): Likewise.
10750 * doc/invoke.texi (SPARC options): Document -pthread.
10752 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10754 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10757 2006-02-07 Roger Sayle <roger@eyesopen.com>
10759 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10760 Correct comment describing BOOLEAN_TYPE.
10762 2006-02-07 Dirk Mueller <dmueller@suse.com>
10764 * c.opt: C++ frontend supports -Wdiv-by-zero.
10765 * c-opts.c (c_common_handle_option): Remove dead case.
10767 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10769 * configure.ac (TLS assembler check): Do not enable TLS by
10770 default on SPARC/Solaris before version 10.
10771 * configure: Regenerate.
10773 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10775 * doc/invoke.texi (xl-compat): Document conversion and support
10778 2006-02-07 Jeff Law <law@redhat.com>
10780 * tree-vrp.c (find_conditional_asserts): Update comments.
10781 (simplify_stmt_for_jump_threading): New.
10782 (identify_jump_threads, finalize_jump_threads): New.
10783 (vrp_finalize): Call identify_jump_threads.
10784 (execute_vrp): Call finalize_jump_threads.
10785 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10786 (vrp_element, vrp_data, vrp_element_p): Remove.
10787 (vrp_hash_elt, vrp_variables_stack): Remove.
10788 (vrp_hash, vrp_eq, record_range): Remove.
10789 (simplify_cond_and_lookup_avail_expr): Remove.
10790 (extract_range_from_cond): Remove.
10791 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10792 (simplify_stmt_for_jump_threading): New.
10793 (dom_thread_across_edge): New wrapper.
10794 (tree_ssa_dominator_optimize): No longer initialize or
10795 finalize any of the VRP datastructures. Remove iteration
10796 step and simplify as a result of removal of iteration step.
10797 (pass_dominator): Perform a cfg cleanup after DOM.
10798 (dom_opt_finalize_block): Use the new common routines
10799 for threading jumps. Simplify stack management slightly.
10800 No longer need to unwind VRP state.
10801 (record_equivalences_from_incoming_edge): No longer record
10803 (eliminate_redundant_computations): No longer call
10804 simplify_cond_and_lookup_avail_expr.
10805 * tree-flow.h (potentially_threadable_block): Prototype.
10806 (thread_across_edge): Likewise.
10807 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10808 (tree-ssa-threadedge.o): Add dependencies.
10809 * tree-ssa-threadedge.c: New file.
10810 * passes.c (init_optimization_passes): Merge PHIs before
10811 calling VRP. Run VRP again late in the SSA optimization pipeline.
10813 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10815 * df-core.c (df_set_blocks): Do not dereference function pointers.
10816 (df_finish1): Likewise.
10817 (df_hybrid_search_forward): Likewise.
10818 (df_hybrid_search_backward): Likewise.
10819 (df_iterative_dataflow): Likewise.
10820 (df_analyze_problem): Likewise.
10821 (df_compact_blocks): Likewise.
10822 (df_dump): Likewise.
10823 * df-scan.c (df_rescan_blocks): Likewise.
10824 (df_record_entry_block_defs): Likewise.
10826 * genconditions.c (write_conditions): Guard the definition of
10827 'insn_conditions' with the check on GCC version.
10828 (write_writer): Guard the traversal 'insn_conditions' with
10829 the check on GCC version.
10831 2006-02-07 Richard Guenther <rguenther@suse.de>
10835 2006-01-30 Richard Guenther <rguenther@suse.de>
10837 * gimplify.c (gimplify_target_expr): Handle easy cases
10838 without creating a temporary.
10840 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10842 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10843 use of float in probability computations. Use edge probabilities
10844 in place of statically computed probabilities.
10845 (min_spec_prob): New static variable.
10846 (schedule_insns): Initialize it.
10847 (GET_SRC_PROB): Removed.
10848 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10850 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10853 * config/ia64/unwind-ia64.c: Revert last change.
10854 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10855 (INCOMING_FRAME_SP_OFFSET): Define.
10857 2006-02-06 Roger Sayle <roger@eyesopen.com>
10859 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10861 2006-02-07 Ben Elliston <bje@au.ibm.com>
10863 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10864 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10865 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10866 (ix86_return_in_memory): Handle TDmode.
10867 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10868 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10870 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10872 * reorg.c (dbr_schedule): Use dump_file instead of file.
10874 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10877 * config/ia64/predicates.md (extr_len_operand): New predicate.
10878 * config/ia64/ia64.md (extv): Tighten constraints.
10880 (*tbit_and_2): Ditto.
10881 (*tbit_and_3): Ditto.
10882 (*tbit_or_2): Ditto.
10883 (*tbit_or_3): Ditto.
10884 (*bit_zero): Ditto.
10887 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10890 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10892 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10894 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10895 loop_optimizer_init and loop_optimizer_finalize
10896 * tree-ssa-sink.c (execute_sink_code): Ditto.
10897 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10898 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10899 tree_ssa_loop_done): Ditto.
10900 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10901 * sched-ebb.c: Include output.h.
10902 (schedule_ebbs): Do not use dump argument.
10903 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10904 * loop.c (loop_dump_stream): Removed.
10905 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10907 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10908 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10909 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10910 loop_iterations, strength_reduce, record_biv, record_giv,
10911 final_giv_value, check_final_value, check_ext_dependent_givs,
10912 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10913 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10914 dump_file instead of loop_dump_stream.
10915 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10916 argument dump_file.
10917 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10919 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10920 * haifa-sched.c: Include output.h
10921 (schedule_insns, sched_init): Do not use dump argument.
10922 * mode-switching.c (optimize_mode_switching): Ditto.
10923 * modulo-sched.c (stats_file): Removed.
10924 (print_node_sched_params): Do not call argument dump_file.
10925 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10926 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10928 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10930 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10931 rtl_loop_init, rtl_loop_done): Ditto.
10932 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10933 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10935 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10936 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10937 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10938 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10939 * emit-rtl.c (renumber_insns): Ditto.
10940 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10941 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10942 * regclass.c (regclass): Ditto.
10943 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10944 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10945 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10946 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10948 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10949 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10951 * gcse.c (gcse_file, debug_stderr): Removed.
10952 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10953 rest_of_handle_gcse): Do not use dump argument.
10954 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10955 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10956 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10957 compute_code_hoist_vbeinout, compute_code_hoist_data,
10958 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10959 compute_store_table, build_store_vectors, insert_insn_start_bb,
10960 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10961 store_motion): Use dump_file instead of gcse_file.
10962 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10963 * profile.c (profile_dump_file): Removed.
10964 (branch_prob): Use dump_file instead of profile_dump_file.
10965 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10967 * tree-ssa-copy.c (dump_copy_of): Ditto.
10968 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10969 dump file to life_analysis.
10970 * bt-load.c (branch_target_load_optimize): Ditto.
10971 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10973 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10974 regclass, dbr_schedule): Declaration changed.
10975 * sched-int.h (sched_init): Declaration changed.
10976 * tree-profile.c (tree_profile_dump_file): Removed.
10977 (tree_profile_hooks): Removed profile_dump_file hook.
10978 * rtl-profile (rtl_profile_dump_file): Removed.
10979 (rtl_profile_hooks): emoved profile_dump_file hook.
10980 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10982 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10983 * tree-cfg.c (build_tree_cfg): Ditto.
10984 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10985 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10986 Declaration changed.
10987 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10988 life_analysis and schedule_insns.
10989 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10991 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10993 * config/mips/mips.c (mips_reorg): Ditto.
10994 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10997 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10999 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11000 (s390_mangle_fundamental_type): New.
11001 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11004 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11005 (alpha_mangle_fundamental_type): New.
11006 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11009 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11011 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11013 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11014 (sparc_mangle_fundamental_type): New.
11016 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11018 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11019 (s390x-*-linux*): Likewise.
11020 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11021 * config/s390/t-linux: New file.
11023 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11025 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11026 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11028 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11030 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11031 (ANTIC_SAFE_LOADS): New macro.
11032 (find_or_generate_expression): Add prototype.
11033 (set_contains_value): Allow null set for sake of not always having
11034 to allocate ANTIC_SAFE_LOADS.
11035 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11036 Allow COMPONENT_REF too.
11037 (valid_in_set): Allow COMPONENT_REF.
11038 Check ANTIC_SAFE_LOADS too.
11039 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11040 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11042 (can_PRE_operation): Add COMPONENT_REF.
11043 (create_component_ref_by_pieces): New function.
11044 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11045 (insert_aux): Move AGGREGATE_TYPE_P check here.
11046 (compute_avail): Set bb local stmt uids.
11047 (pass_pre): Use TODO_update_ssa_only_virtuals.
11049 2006-02-06 Ben Elliston <bje@au.ibm.com>
11051 * configure.ac: Unconditionally disable decimal float by default.
11052 * configure: Regenerate.
11054 2006-02-06 Ben Elliston <bje@au.ibm.com>
11056 * read-rtl.c (read_name): Terminate reading on EOF.
11058 2006-02-06 Ben Elliston <bje@au.ibm.com>
11060 * dfp.c (decimal_real_arithmetic): Change second argument type
11061 from int to enum tree_code. Do not always return true, but now
11062 return result of any call to decimal_do helper functions.
11063 * dfp.h (decimal_real_arithmetic): Update prototype.
11065 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11067 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11069 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11072 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11075 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11077 * tree-vrp.c (cfg_loops): Removed.
11078 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11079 Use current_loops instead of cfg_loops. Pass flags to
11080 loop_optimizer_init.
11081 * cfgloopmanip.c (fix_loop_structure): Update only available
11083 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11084 loop_optimizer_init.
11085 * modulo-sched.c (build_loops_structure): Removed.
11086 (sms_schedule): Use loop_optimizer_init.
11087 * loop-init.c (loop_optimizer_init): Use flags to determine
11088 which properties of loops to prepare.
11089 (rtl_loop_init): Pass flags to loop_optimizer_init.
11090 * tree-ssa-sink.c (execute_sink_code): Ditto.
11091 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11092 * tree-ssa-pre.c (init_pre): Ditto.
11093 * cfgloop.h (LOOPS_NORMAL): New.
11094 (loop_optimizer_init): Declaration changed.
11096 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11098 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11099 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11101 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11103 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11105 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11106 * pa/t-pa64: Delete quadlib.c rule.
11107 * pa/x-ada: Revert last change.
11108 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11110 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11112 PR rtl-optimization/26087
11113 * rtlanal.c (canonicalize_condition): Do not cross basic block
11116 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11119 * config/ia64/ia64.c: Include debug.h.
11120 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11121 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11122 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11123 (process_epilogue, process_set, process_for_unwind_directive):
11124 Output unwind info only if requested. Add CFA info if requested.
11125 Add new arguments as needed. Adjust callers.
11126 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11128 (DWARF2_FRAME_INFO): Define to zero.
11129 * config/ia64/unwind-ia64.c: Remove code that compensated for
11130 the CFA offset error fixed above.
11131 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11132 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11133 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11134 -funwind-tables and -fexceptions to enable frame info.
11135 (dwarf2out_frame_init): Define initial CFA even if
11136 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11137 DWARF2_UNWIND_INFO is nonzero, not just defined.
11138 (dwarf2out_frame_finish): Output non-EH call frame info only
11139 if DWARF2_FRAME_INFO is nonzero.
11140 (convert_cfa_to_loc_list,
11141 compute_frame_pointer_to_cfa_displacement): Define even if
11142 unwind info is not supported.
11143 (gen_subprogram_die): Use the above unconditionally. Remove
11144 legacy alternate code.
11145 * toplev.c (compile_file): Compile in call to
11146 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11147 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11149 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11150 Jakub Jelinek <jakub@redhat.com>
11152 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11153 IBM extended float format long double as "g" on powerpc*-linux.
11155 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11158 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11159 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11161 2006-02-03 Jason Merrill <jason@redhat.com>
11164 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11166 PR middle-end/25977
11167 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11168 on the return slot if it's an NRV.
11170 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11172 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11173 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11174 rewrite_use): Do not handle USE_OUTER.
11175 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11176 add_iv_outer_candidates, may_replace_final_value,
11177 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11178 (find_interesting_uses_op): Functionality of
11179 find_interesting_uses_outer_or_nonlin moved here.
11180 (find_interesting_uses_outside): Use find_interesting_uses_op.
11182 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11185 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11187 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11188 Ulrich Weigand <uweigand@de.ibm.com>
11191 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11192 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11193 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11194 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11196 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11197 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11198 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11199 Define secondary reloads for TFmode moves.
11200 (constant_modes): Add TFmode.
11201 (NR_C_MODES): Set to 8.
11202 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11204 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11205 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11206 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11207 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11208 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11209 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11210 (FPR mode macro): Add TFmode.
11211 (DSF mode macro): New.
11212 (<de>, <dee> mode attributes): Removed.
11213 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11214 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11215 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11216 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11217 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11218 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11219 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11220 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11221 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11222 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11223 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11224 "*negabs<mode>2", "sqrt<mode>2"):
11225 Changed <de> to <xde>. R constraint replaced by <Rf>.
11226 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11228 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11229 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11230 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11232 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11233 "extenddftf2", "extendsftf2"): New expanders.
11234 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11235 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11236 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11237 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11239 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11240 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11241 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11242 __floatditf): Add a GCC_4.1.0 symbol version tag.
11243 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11246 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11249 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11250 Use targetm.binds_local_p instead of TREE_PUBLIC.
11252 2006-02-02 Roger Sayle <roger@eyesopen.com>
11254 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11255 on INTEGER_TYPEs to indicate that it denotes a character type.
11256 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11257 signed_char_type_node, unsigned_char_type_node and char_type_node.
11258 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11259 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11260 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11262 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11263 Daniel Berlin <dberlin@dberlin.org>
11265 * tree-tailcall.c (arg_needs_copy_p): New function.
11266 (eliminate_tail_call): Use arg_needs_copy_p.
11267 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11268 (add_virtual_phis): New function.
11270 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11272 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11273 #ignore instead of #scratch for %g7 .register directive.
11275 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11277 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11280 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11282 * flow.c (calculate_global_regs_live): Assert that there aren't any
11285 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11287 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11288 what its name says.
11289 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11290 bsi_after_labels iterator.
11291 * tree-if-conv.c (find_phi_replacement_condition,
11292 replace_phi_with_cond_modify_expr): Likewise.
11293 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11294 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11296 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11298 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11300 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11303 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11304 array after growing it.
11306 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11308 PR middle-end/24901
11309 * fold-const.c (fold_checksum_tree): Change type of buf.
11311 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11313 * reload.c (push_secondary_reload): Initialize t_icode.
11315 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11317 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11318 -msoft-float -mlong-double-128 only issue a warning, but don't
11319 swich to DFmode long double.
11321 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11323 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11324 has a constant equivalent, iterate over equivalents for arg0,
11325 calling simplify_relational_operation and if there's a result
11326 cheaper than X, apply fold_rtx and return the result.
11328 2006-02-01 Jan Hubicka <jh@suse.cz>
11330 * opts.c (no_unit_at_a_time_default): New global variable.
11331 (decode_options): Use it.
11332 * opts.h (no_unit_at_a_time_default): Declare.
11334 2006-02-01 Paul Brook <paul@codesourcery.com>
11336 * function.c (assign_parm_setup_reg): Use function argument promotion
11338 * expr.c (expand_expr_real_1): Use function argument promotion rules
11341 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11343 * gcc.c (process_command): Change j to 'unsigned int'.
11345 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11347 PR middle-end/26001
11348 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11349 Use the corrected index for the character
11350 out of the string constant.
11352 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11354 * mode-switching.c (optimize_mode_switching): Fix size
11355 allocated for bb_info[n_entities].
11357 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11359 * gcc.c (main): Correct type that is allocated for
11360 explicit_link_files.
11362 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11364 * config/s390/s390.c (init_alignment_context): Set
11365 ALIAS_SET_MEMORY_BARRIER on the MEM.
11366 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11368 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11370 PR middle-end/25933
11371 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11373 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11376 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11378 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11379 * regrename.c: Ditto.
11380 * tree-ssa-loop-im.c: Ditto.
11381 * tree-dump.c: Ditto.
11382 * tree-complex.c: Ditto.
11383 * genrecog.c: Ditto.
11384 * tree-ssa-threadupdate.c: Ditto.
11386 * java/class.c: Ditto.
11387 * java/jcf-parse.c: Ditto.
11388 * java/resource.c: Ditto.
11389 * java/except.c: Ditto.
11390 * java/jvspec.c: Ditto.
11391 * java/jcf-write.c: Ditto.
11392 * java/jcf-path.c: Ditto.
11393 * java/gjavah.c: Ditto.
11394 * java/zextract.c: Ditto.
11395 * java/jcf-io.c: Ditto.
11396 * java/jcf.h: Ditto.
11397 * java/buffer.c: Ditto.
11398 * java/lang.c: Ditto.
11399 * java/parse-scan.y: Ditto.
11400 * java/lex.c: Ditto.
11401 * java/lex.h: Ditto.
11402 * cfgloopmanip.c: Ditto.
11403 * postreload-gcse.c: Ditto.
11404 * tree-ssa-loop-manip.c: Ditto.
11405 * postreload.c: Ditto.
11406 * tree-ssa-loop-ch.c: Ditto.
11409 * cppspec.c: Ditto.
11410 * diagnostic.c: Ditto.
11412 * genoutput.c: Ditto.
11414 * cfghooks.c: Ditto.
11415 * cfgloopanal.c: Ditto.
11416 * objc/objc-act.c: Ditto.
11418 * genextract.c: Ditto.
11419 * genautomata.c: Ditto.
11420 * pretty-print.c: Ditto.
11421 * genemit.c: Ditto.
11422 * cgraphunit.c: Ditto.
11424 * df-scan.c: Ditto.
11425 * haifa-sched.c: Ditto.
11426 * dominance.c: Ditto.
11428 * tree-ssa-loop-ivopts.c: Ditto.
11429 * df-core.c: Ditto.
11430 * mode-switching.c: Ditto.
11431 * modulo-sched.c: Ditto.
11433 * ipa-pure-const.c: Ditto.
11435 * fix-header.c: Ditto.
11437 * tree-stdarg.c: Ditto.
11438 * ipa-utils.c: Ditto.
11439 * loop-init.c: Ditto.
11440 * ipa-inline.c: Ditto.
11441 * cfganal.c: Ditto.
11443 * alloc-pool.c: Ditto.
11444 * dwarf2out.c: Ditto.
11446 * genattrtab.c: Ditto.
11447 * tree-ssa-loop-ivcanon.c: Ditto.
11448 * predict.c: Ditto.
11449 * timevar.c: Ditto.
11451 * fortran/gfortranspec.c: Ditto.
11452 * regmove.c: Ditto.
11453 * local-alloc.c: Ditto.
11454 * langhooks.c: Ditto.
11455 * function.c: Ditto.
11456 * tree-vectorizer.c: Ditto.
11458 * ipa-type-escape.c: Ditto.
11460 * tree-if-conv.c: Ditto.
11461 * profile.c: Ditto.
11463 * tree-data-ref.c: Ditto.
11464 * loop-unroll.c: Ditto.
11465 * treelang/treetree.c: Ditto.
11467 * bt-load.c: Ditto.
11468 * ggc-common.c: Ditto.
11470 * coverage.c: Ditto.
11472 * tree-cfgcleanup.c: Ditto.
11473 * tree-ssa-pre.c: Ditto.
11474 * cfgcleanup.c: Ditto.
11475 * loop-invariant.c: Ditto.
11476 * loop-iv.c: Ditto.
11477 * ipa-prop.c: Ditto.
11478 * print-tree.c: Ditto.
11479 * conflict.c: Ditto.
11480 * ggc-page.c: Ditto.
11481 * sched-deps.c: Ditto.
11482 * regclass.c: Ditto.
11483 * tree-object-size.c: Ditto.
11484 * combine.c: Ditto.
11485 * bb-reorder.c: Ditto.
11486 * resource.c: Ditto.
11487 * var-tracking.c: Ditto.
11488 * cfgloop.c: Ditto.
11489 * df-problems.c: Ditto.
11490 * reg-stack.c: Ditto.
11492 * gccspec.c: Ditto.
11493 * sched-rgn.c: Ditto.
11494 * tree-ssa-structalias.c: Ditto.
11495 * tree-ssa-reassoc.c: Ditto.
11496 * config/darwin-c.c: Ditto.
11497 * config/darwin.c: Ditto.
11498 * config/arm/arm.c: Ditto.
11500 * collect2.c: Ditto.
11501 * reload1.c: Ditto.
11503 2006-01-31 Nicolas Pitre <nico@cam.org>
11505 * arm.md (smaxsi3): Make aware of smax_m1.
11508 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11510 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11512 2006-01-31 Richard Guenther <rguenther@suse.de>
11514 * doc/invoke.texi (-msselibm): Document.
11515 * target.h (expand_library_builtin): New target hook.
11516 * builtins.c (expand_builtin): Use expand_library_builtin.
11517 (default_expand_library_builtin): New function.
11518 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11519 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11520 (link_gcc_math_spec): Declare.
11521 (static_specs): Add link_gcc_math_spec.
11522 * expr.h (default_expand_library_builtin): Declare.
11523 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11524 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11525 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11526 * config/i386/i386.opt (msselibm): New target option.
11527 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11528 (ix86_init_sse_abi_builtins): New function.
11529 (ix86_expand_library_builtin): Likewise.
11530 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11531 (override_options): Handle error conditions wrt -msselibm.
11532 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11533 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11534 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11537 2006-01-31 Richard Guenther <rguenther@suse.de>
11538 Paolo Bonzini <bonzini@gnu.org>
11540 * doc/install.texi (--disable-libgcc-math): Document.
11542 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11544 * expr.h (expand_normal): new inline function.
11545 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11546 * dojump.c: use it.
11547 * dwarf2out.c: use it.
11550 * expmed.c: use it.
11551 * except.c: use it.
11552 * config/sparc/sparc.c: use it.
11553 * config/i386/i386.c: use it.
11554 * config/rs6000/rs6000.c: use it.
11555 * config/arm/arm.c: use it.
11556 * config/mips/mips.c: use it.
11557 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11559 2006-01-30 Roger Sayle <roger@eyesopen.com>
11561 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11562 argv to the appropriate type.
11564 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11566 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11569 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11572 * config/s390/s390.c (struct machine_function): New flag
11573 decomposed_literal_pool_addresses_ok_p.
11574 (s390_reorg): Set it before final stage of literal pool transforms.
11575 (s390_decompose_address): Only accept displacements of the form
11576 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11578 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11580 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11581 the comparison routine return.
11583 2006-01-30 Michael Matz <matz@suse.de>
11585 * global.c (find_reg): Only evict for global regs.
11586 Take n_refs into account and dump more info.
11588 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11591 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11592 (pragma_trap, pragma_nosave_low_regs): Likewise.
11593 (current_function_anonymous_args): Likewise.
11594 (sh_deferred_function_attributes): New variable.
11595 (sh_deferred_function_attributes_tail): Likewise.
11596 (print_operand): For '@', look up trap_exit attribute.
11597 (calc_live_regs): Look up trapa_handler attribute. For trapa
11598 handlers, save/restore fpscr, but don't do any other
11599 interrupt-specific saves.
11600 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11601 Fix check for partially saved registers to check for SHmedia.
11602 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11603 (sh_output_function_epilogue): Don't clear any of the removed
11605 (sh_insert_attributes): Don't check pragma_interrupt.
11606 Insert deferred attributes. Check that interrupt attribute is
11607 present for other attributes that require its presence.
11608 (sh_attribute_table): Add new attributes trapa_handler and
11610 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11611 Don't check for pragma_interrupt. Don't store argument.
11612 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11613 (sh_deferred_function_attributes): Declare.
11614 (sh_deferred_function_attributes_tail): Likewise.
11615 * sh.md (sp_switch_1): Add operand. Change generator caller.
11616 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11617 (*return_i): Don't use when trap_exit attribute is in effect.
11618 (*return_trapa): New insn pattern.
11619 * sh-c.c: New file.
11620 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11621 setting c_target_objs and cxx_target_objs.
11622 * t-sh: Add rule for sh-c.o.
11624 2006-01-30 Richard Guenther <rguenther@suse.de>
11627 * gimplify.c (gimplify_target_expr): Handle easy cases
11628 without creating a temporary.
11630 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11632 * vec.h (safe_grow): Remove duplicated line.
11634 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11637 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11638 (expand_omp): ... here.
11639 (expand_omp_parallel): Only remove barriers for combined
11640 parallel+workshare constructs.
11642 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11646 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11647 * tree.c (build_qualified_type): Chain the new type to the original
11648 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11649 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11650 (build_pointer_type_for_mode): Only return unqualified types.
11651 (build_reference_type_for_mode): Likewise.
11653 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11655 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11656 * Makefile.in (CXX_COMPAT_WARN): Define.
11657 * configure: Regenerate.
11659 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11662 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11665 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11667 * toplev.c: Fix thinko.
11669 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11670 Marcin Dalecki <martin@dalecki.de>
11672 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11673 (push_srcloc): Use XNEW.
11674 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11676 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11678 * df-core.c (df_set_blocks): Deleted all variable.
11680 2006-01-28 Ian Lance Taylor <ian@airs.com>
11682 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11683 cgraph_output_pending_asms.
11685 2006-01-28 Zack Weinberg <zackw@panix.com>
11687 * c.opt: Add -W(no-)overlength-strings.
11688 * doc/invoke.texi: Document it.
11689 * c-opts.c (c_common_handle_option): -pedantic implies
11690 -Woverlength-strings, if not explicitly disabled already.
11691 (c_common_post_options): -Woverlength-strings defaults to off, and
11692 is always off for C++.
11693 * c-common.c (fix_string_type): Issue warning about strings longer
11694 than is portable only if warn_overlength_strings. Rearrange code
11695 a little for clarity.
11696 * configure.in: Check for -Wno-overlength-strings as well before
11697 enabling -pedantic in stage 1.
11698 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11699 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11701 * genconditions.c (write_header, write_one_condition)
11702 (write_conditions, write_writer): Consolidate very long strings
11703 that were broken up to fit in C89 portable limit. Don't use
11704 printf when fputs will do.
11706 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11708 * combine.c (simplify_comparison <AND>): Check
11709 TRULY_NOOP_TRUNCATION before start using a subreg.
11711 * config/mips/mips.md (*branch_zero<mode>,
11712 *branch_zero<mode>_inverted, *branch_equality<mode>,
11713 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11714 Remove mode check from comparisons.
11716 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11718 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11720 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11722 * expmed.c (const_mult_add_overflow_p): Remove.
11723 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11725 * recog.c (validate_replace_rtx_subexp): Remove.
11726 * recog.h: Remove the prototype for
11727 validate_replace_rtx_subexp.
11729 * integrate.h: Remove the prototype for
11730 copy_decl_for_inlining.
11731 * rtl.h: Remove the prototype for mark_constant_function.
11732 * tree-vectorizer.h: Remove the prototype for
11733 vect_strip_conversion.
11735 * modulo-sched.c (create_partial_schedule,
11736 free_partial_schedule, reset_partial_schedule): Make them
11739 * hooks.c (hook_bool_rtx_int_false): Remove.
11740 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11742 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11744 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11745 and -mlong-double-128 are incompatible.
11746 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11747 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11748 (TARGET_LIBGCC2_CFLAGS): Define.
11749 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11750 (TARGET_LIBGCC2_CFLAGS): Same.
11751 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11753 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11756 * c-typeck.c (build_binary_op): Perform implicit casts of
11757 operands before shortening them.
11759 * cfgloopmanip.c (split_loop_bb): Remove.
11760 * cfgloop.h: Remove the prototype for split_loop_bb.
11762 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11763 * cfgloop.h: Remove the prototype for
11764 flow_loop_outside_edge_p.
11766 * emit-rtl.c (init_virtual_regs): Make it static.
11767 * function.h: Remove the prototype for init_virtual_regs.
11769 * recog.c (peephole2_optimize): Make it static.
11770 * recog.h: Remove the prototype for peephole2_optimize.
11772 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11774 * df-scan.c (df_record_entry_block_defs): Check if
11775 INCOMING_RETURN_ADDR_RTX is defined.
11777 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11778 Kenneth Zadeck <zadeck@naturalbridge.com>
11780 PR rtl-optimization/24762
11781 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11782 * targhooks.c (hook_void_bitmap): New hook prototype.
11783 * targhoohs.h (hook_void_bitmap): Ditto.
11784 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11785 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11786 * target.h (live_on_entry): New function pointer.
11787 * df-scan.c (df_all_hard_regs): Removed.
11788 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11789 (df_scan_free_internal): Added df->entry_block_defs.
11790 (df_scan_alloc): Ditto.
11791 (df_scan_dump): Ditto.
11792 (df_uses_record): Plumbed flag field properly thru calls.
11793 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11794 This part fixes PR24762.
11795 (df_bb_refs_record): Added code to make the frame and arg
11796 pointers live in EH blocks.
11797 (df_refs_record): Added call to df_record_entry_block_defs.
11798 (df_record_entry_block_defs): New function.
11799 * df-core.c: Added comments to describe new artifical defs.
11800 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11801 (entry_block_defs): New field in struct df.
11802 (df_all_hard_regs): Deleted.
11803 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11804 * df-problems.c (df_ru_bb_local_compute_process_def):
11805 Added code to handle artifical defs in the entry to a function.
11806 (df_ru_bb_local_compute): Ditto.
11807 (df_rd_bb_local_compute_process_def): Ditto.
11808 (df_rd_bb_local_compute): Ditto.
11809 (df_lr_bb_local_compute): Ditto.
11810 (df_ur_bb_local_compute): Ditto.
11811 (df_urec_bb_local_compute): Ditto.
11812 (df_chain_create_bb): Ditto.
11813 (df_ur_local_finalize): Removed entry.
11814 (df_urec_init): Ditto.
11815 (df_urec_local_finalize): Ditto.
11816 (df_ri_bb_compute): Added detection of last use of pseudos.
11817 * Makefile.in (df-scan.o): Updated dependencies.
11818 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11819 * config/mips/mips.c (mips_set_live_on_entry): Added.
11820 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11822 * dce.c (marked_insn_p): Added code to handle artifical defs.
11824 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11826 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11828 (_mm_cvtsi128_si64): Likewise.
11829 (_mm_cvtsd_si64): Likewise.
11830 (_mm_cvttsd_si64): Likewise.
11831 (_mm_cvtsi64_sd): Likewise.
11832 (_mm_cvtsi64_si128): Likewise.
11833 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11834 (_mm_cvtsi64_m64): Likewise.
11835 (_m_to_int64): Likewise.
11836 (_mm_cvtm64_si64): Likewise.
11837 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11838 (_mm_cvttss_si64): Likewise.
11839 (_mm_cvtsi64_ss): Likewise.
11840 (_mm_cvtss_f32): Likewise.
11842 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11844 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11845 for pragma redefine_extname.
11847 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11850 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11851 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11852 -mno-minimal-toc to previous content.
11853 (bispecs): Remove goal.
11854 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11855 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11856 compatibility aliases on powerpc-*-*gnu*.
11857 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11858 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11859 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11860 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11861 (ldblspecs): New goal.
11862 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11863 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11865 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11866 L_sf_to_tf or L_df_to_tf is defined.
11868 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11869 Alan Modra <amodra@bigpond.net.au>
11872 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11873 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11874 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11875 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11876 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11877 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11878 (rs6000_override_options): Initialize rs6000_ieeequad.
11879 Initialize TFmode format to ibm_extended_format if not
11881 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11883 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11884 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11885 (function_arg_advance): IBM long double passed in two FPRs, not
11887 (function_arg): IBM long double passed in FPRs.
11888 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11889 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11890 Only multireg GPR aligned.
11891 (rs6000_init_libfuncs): Enable IBM long double functions if not
11893 (rs6000_generate_compare): Use IBM long double compare if not
11895 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11896 (TARGET_IEEEQUAD): Define.
11897 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11898 not TARGET_IEEEQUAD.
11899 * config/rs6000/rs6000.md: Enable TFmode patterns if
11901 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11902 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11903 and -mlong-double-128 are incompatible.
11904 * doc/invoke.texi (-mabi): Collect options together. Add
11905 ibmlongdouble and ieeelongdouble.
11907 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11909 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11911 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11912 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11913 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11914 * rtl.h (rtunion_def): Remove rt_ptr.
11916 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11917 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11918 * config/i386/winnt.c (i386_pe_mark_dllexport)
11919 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11921 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11923 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11925 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11929 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11930 pthread_key_delete. From John David Anglin. gthrw-ify
11931 pthread_getunique_np only if it it's not a macro. Delete
11933 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11934 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11935 __gthread_objc_condition_signal, __gthread_key_delete): Add
11936 "__attribute__ ((__unused__))" to unused arguments.
11937 (__gthread_recursive_mutex_init_function): Add missing return.
11938 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11939 gthr-posix95.h: Use macro-based approach for name redirection
11940 on targets missing weakref.
11942 2006-01-26 Zack Weinberg <zackw@panix.com>
11944 * genconditions.c (write_header): In generated code, #ifdef out
11945 all includes and fake declarations, except includes of bconfig.h
11946 and system.h, unless GCC_VERSION >= 3001. Do not include
11947 gensupport.h in any case.
11948 (write_conditions): Generate a definition of struct c_test. Add
11949 a comment to the generated #endif.
11950 (write_one_condition): Escape backslashes in string too.
11951 (write_writer): Generated code must escape backslashes and quote
11952 marks (but not newlines) in the strings it writes.
11953 * Makefile.in (build/gencondmd.o): Update dependencies.
11955 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11958 * Makefile.in (insn-automata.o): Add header file dependencies.
11959 * genautomata.c: Add includes.
11961 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11964 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11966 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11968 * configure.ac: Expect target tools paths to be passed from the toplevel
11969 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11971 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11973 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11976 * c.opt (Wpointer-sign): Init to -1.
11977 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11978 OPT_pedantic, to 0 otherwise.
11979 * doc/invoke.texi: Update.
11981 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11983 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11984 constants provided by 80387 instructions in the destination mode.
11986 2006-01-26 Richard Guenther <rguenther@suse.de>
11987 Andrew Pinski <pinskia@physics.uc.edu>
11990 partial PR tree-opt/17064
11991 * tree-ssa-structalias.c (intra_create_variable_infos):
11992 Create heap variables for incoming parameters if
11993 flag_argument_noalias > 1.
11994 (find_what_p_points_to): Look through default defs of
11997 2006-01-26 Jeff Law <law@redhat.com>
12000 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12001 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12002 within the VR_RANGE, use the VR_RANGE as the result, not the
12004 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12005 bounds for the type.
12007 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12009 * tree-ssa-alias.c (maybe_create_global_var): Change
12010 subvar walking to an assertion that we don't have subvar'd variables.
12012 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12015 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12016 Use a new variable, inner. PARM_DECLs are always non-weak.
12018 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12020 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12021 --disable-checking.
12023 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12025 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12027 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12029 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12030 (smax_insn, smin_insn, smax_0, smin_0): New.
12032 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12035 * config/cris/cris.c (cris_order_for_addsi3): New function.
12036 * config/cris/cris-protos.h: Prototype it.
12037 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12038 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12039 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12040 (split for "op.S1 [rx=rx+i],ry (swapped)")
12041 (split for "op(s|u).S1 [rx=rx+i],ry")
12042 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12043 Apply cris_order_for_addsi3 when generating addsi3 insns.
12045 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12047 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12048 (TREE_BLOCK): Add call to EXPR_CHECK.
12050 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12053 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12054 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12055 (dump_omp_clauses): ... here.
12056 (dump_generic_node): Handle OMP_CLAUSE.
12057 * tree.c (omp_clause_num_ops): New.
12058 (omp_clause_code_name): New.
12059 (tree_code_size): Handle OMP_CLAUSE.
12060 (tree_size): Likewise.
12061 (make_node): Document handling of OMP_CLAUSE.
12062 (tree_node_structure): Handle OMP_CLAUSE.
12063 (omp_clause_check_failed): New.
12064 (omp_clause_range_check_failed): New.
12065 (omp_clause_operand_check_failed): New.
12066 (build_omp_clause): New.
12067 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12068 * tree.h (enum omp_clause_code): Declare.
12069 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12070 (OMP_CLAUSE_RANGE_CHECK): Define.
12071 (OMP_CLAUSE_ELT_CHECK): Define.
12072 (omp_clause_check_failed): Declare.
12073 (omp_clause_operand_check_failed): Declare.
12074 (omp_clause_range_check_failed): Declare.
12075 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12076 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12077 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12078 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12079 (OMP_CLAUSE_IF_EXPR): Likewise.
12080 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12081 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12082 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12083 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12084 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12085 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12086 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12087 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12088 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12089 (OMP_CLAUSE_CODE): Define.
12090 (OMP_CLAUSE_SET_CODE): Define.
12091 (OMP_CLAUSE_CODE): Define.
12092 (OMP_CLAUSE_OPERAND): Define.
12093 (struct tree_omp_clause): Declare.
12094 (union tree_node): Add field 'omp_clause'.
12095 * treestruct.def (TS_OMP_CLAUSE): Define.
12096 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12097 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12098 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12099 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12100 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12101 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12102 (OMP_CLAUSE): Define.
12103 * print-tree.c (print_node): Handle OMP_CLAUSE.
12104 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12105 * c-typeck.c: Likewise.
12106 * gimplify.c: Likewise.
12107 * c-omp.c: Likewise.
12108 * tree-nested.c: Likewise.
12109 * tree-inline.c: Likewise.
12110 * c-parser.c: Likewise.
12111 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12114 2006-01-25 Roger Sayle <roger@eyesopen.com>
12116 PR rtl-optimization/25703
12117 * combine.c (try_combine): Handle zero_extract and strict_low_part
12118 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12120 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12122 * global.c: Fix comment typos.
12124 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12127 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12128 Use output_addr_const instead of assemble_name.
12130 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12132 * Makefile.in (sched-vis.o): Update dependencies.
12133 * haifa-sched.c (sched_finish): Clear current_sched_info.
12134 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12135 (dump_flow_info): Call it.
12136 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12138 * basic-block.h (dump_bb_info): Declare.
12139 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12140 option, and apply options only for dump files whose TDF_RTL,
12141 TDF_TREE, or TDF_IPA bits match.
12142 * rtl.h: Declare new functions exported from sched-vis.c.
12143 * sched-vis.c: Enable also if scheduling is not used.
12144 (print_value): Print the mode of registers if not inside scheduling.
12145 (print_insn): Make it work outside the scheduler. Beautify the output
12147 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12149 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12151 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12152 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12153 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12154 depending on the value of CONSTANT_POOL_ADDRESS_P.
12155 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12157 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12158 rather than SYMBOL_REF_DECL.
12159 (rtx_constant_pool): Remove const_rtx_sym_htab.
12160 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12161 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12162 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12163 Remove handling of const_rtx_sym_htab.
12164 (find_pool_constant): Delete.
12165 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12166 rather than find_pool_constant.
12167 (get_pool_constant_for_function): Delete.
12168 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12169 find_pool_constant.
12170 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12171 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12172 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12173 (SYMBOL_REF_CONSTANT): New macro.
12174 (get_pool_constant_for_function): Delete.
12175 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12176 rather than SYMBOL_REF_DECL.
12177 (i386_pe_mark_dllimport): Likewise.
12178 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12179 rather than SYMBOL_REF_DECL.
12180 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12181 (machopic_indirect_call_target): Likewise.
12183 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12185 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12187 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12189 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12191 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12193 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12195 2006-01-24 David Daney <ddaney@avtrex.com>
12198 * configure.ac (enable_tls): New enable option.
12199 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12200 * configure: Regenerate.
12201 * doc/install.texi (--enable-tls): Document new option.
12202 (--disable-tls): Ditto.
12204 2006-01-24 Richard Henderson <rth@redehat.com>
12206 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12207 * alias.c (true_dependence): Respect it.
12208 (canon_true_dependence, write_dependence_p): Likewise.
12209 * builtins.c (get_builtin_sync_mem): Set it.
12211 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12213 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12216 2006-01-24 DJ Delorie <dj@redhat.com>
12218 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12219 for storing constants in single-bit bitfields.
12221 2006-01-25 Ben Elliston <bje@au.ibm.com>
12223 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12225 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12228 * tree-ssa-pre.c (phi_translate): Return NULL
12229 for AGGREGATE_TYPE's.
12231 2006-01-24 Zack Weinberg <zackw@panix.com>
12233 * genautomata.c (process_state_for_insn_equiv_partition):
12234 Use xcalloc for insn_arcs_array.
12235 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12236 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12238 2006-01-24 Richard Henderson <rth@redhat.com>
12240 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12241 update all callers.
12243 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12245 PR rtl-optimization/25890
12246 PR rtl-optimization/25905
12247 * combine.c (expand_compound_operation, expand_field_assignment):
12248 Fail if the bitfield's final position is out of bounds.
12250 2006-01-24 Ian Lance Taylor <ian@airs.com>
12252 PR middle-end/25930
12253 * cgraphunit.c (cgraph_output_in_order): Don't clear
12254 cgraph_asm_nodes until after asm strings have been output.
12256 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12258 * fix-header.c (read_scan_file): Add new parameter imultilib when
12259 calling register_include_chains.
12261 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12263 * omp-low.c: Update documentation.
12265 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12266 Daniel Berlin <dberlin@dberlin.org>
12270 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12271 return from the function.
12273 2006-01-22 Zack Weinberg <zackw@panix.com>
12275 * rtl.def (match_code): Add second argument.
12276 * genpreds.c (write_extract_subexp): New function.
12277 (write_match_code): Add path argument. Use write_extract_subexp.
12278 (write_predicate_expr): Pass path to write_match_code.
12279 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12280 not perform a mode test.
12281 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12282 a subexpression does not constrain the top-level code set.
12283 * read-rtl.c (read_rtx_variadic): New function.
12284 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12285 * doc/md.texi: Document new notation.
12286 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12287 (cmpsi_operand): ... here, using new notation.
12289 2006-01-22 Zack Weinberg <zackw@panix.com>
12291 * varray.c: Remove GENERATOR_FILE #ifdefs.
12293 2006-01-22 Zack Weinberg <zackw@panix.com>
12295 * genautomata.c (output_reserved_units_table): Emit nothing if
12296 description->query_units_num is zero. Remove extra blank line.
12297 (output_cpu_unit_reservation_p): Short circuit
12298 if description->query_units_num is zero.
12300 2006-01-22 Zack Weinberg <zackw@panix.com>
12302 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12303 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12304 nor any of the random handful of variables that used to be necessary
12305 when this program was linked with rtlanal.o. Prune set of forward
12306 function declarations.
12307 (struct attr_desc): Remove static_p field.
12308 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12309 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12310 (attr_string): Do not read the character one past the length of
12312 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12313 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12314 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12315 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12316 (make_automaton_attrs): New.
12317 (main): Do not call into genautomata. Call local gen_bypass
12318 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12319 Remove special case for insn_alts.
12320 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12321 varray.h (leftover from previous change). Prune set of forward
12322 function declarations. Remove state_alts fields from all
12323 structures. Remove state_alts_table from struct automaton.
12324 Make everything except main static. Do not maintain num_dfa_decls.
12325 Do not maintain state_alts fields of various structures.
12326 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12327 (add_arc): Remove state_alts argument. All callers updated.
12328 (output_reserved_units_table): Emit #ifdef here...
12329 (output_tables): ...not here. Don't generate state_alts tables.
12330 (expand_automata): Don't generate attributes.
12331 (write_automata): Don't generate state_alts functions.
12332 (main): New function.
12333 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12334 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12335 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12336 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12337 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12338 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12339 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12340 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12342 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12343 * genattrtab.h: Delete file.
12344 * Makefile.in (OBJS-common): Add insn-automata.o.
12345 (insn-automata.o): New rule.
12346 (simple_generated_c): Add insn-automata.c.
12347 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12348 (genprogmd): Add automata.
12349 (build/genattrtab): Needs no extra objects nor libraries.
12350 (build/genautomata): Needs build/vec.o and -lm.
12352 2006-01-22 Zack Weinberg <zackw@panix.com>
12354 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12355 (output_dfa_max_issue_rate, locked_states_num): Delete.
12356 (struct automaton): Add locked_states field.
12357 (output_dead_lock_vect): Save number of locked states in
12358 automaton->locked_states. If it is zero, don't print anything.
12359 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12360 (output_internal_dead_lock_func): Only test the dead_lock_vect
12361 for automata that have locked states.
12362 (output_statistics): Always print the number of locked states for
12363 each automaton. Calculate total number of locked states here.
12364 (write_automata): Don't call output_dfa_max_issue_rate.
12365 * genattrtab.c: Define length_unit_log as a const variable.
12366 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12367 max_insn_queue_index const.
12368 * final.c (length_unit_log): Declare const.
12369 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12371 2006-01-22 Zack Weinberg <zackw@panix.com>
12373 * genautomata.c: Include vec.h, not varray.h.
12374 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12375 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12376 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12377 VEC_* macros operating on appropriately typed vectors, or to
12378 malloced arrays when the size is known in advance. Const-ify
12379 many char* variables and function arguments. No functional changes.
12380 * Makefile.in (build/varray.o): Delete rule.
12381 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12382 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12384 2006-01-22 Zack Weinberg <zackw@panix.com>
12386 * gensupport.c: Define get_insn_name and record_insn_name here.
12387 (read_md_rtx): Call record_insn_name as appropriate.
12388 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12389 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12390 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12392 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12393 (BUILD_VARRAY): Delete.
12394 (genprognormal): Rename genprogmd. Fold in all programs from
12395 genprognoprint; also attrtab.
12396 (build/genattrtab): Just mention genautomata.o and varray.o.
12397 Reorganize a bit, add comments to make the categories clearer.
12399 2006-01-22 Zack Weinberg <zackw@panix.com>
12401 * genconditions.c (condition_table, add_condition): Delete.
12402 (write_conditions): Don't emit n_insn_conditions nor
12403 insn_elision_unavailable. Issue the gcc version #ifdef here,
12404 inside the table, with no #else clause ...
12405 (write_header): ...not here.
12406 (write_writer): New function.
12407 (main): Don't initialize condition_table. Use add_c_test.
12409 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12410 files on the command line.
12411 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12412 Return -1 if there is no entry in the table, don't abort.
12413 (add_c_test, traverse_c_tests): New functions.
12414 * gensupport.h (insn_elision_unavailable, insn_conditions)
12415 (n_insn_conditions): Delete declarations.
12416 (add_c_test, traverse_c_tests): Declare.
12417 * read-rtl.c: Include gensupport.h.
12418 (read_conditions): New function.
12419 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12420 (read_rtx_1): If we get EOF when we were looking for an initial
12421 open paren, return 0. Call read_conditions when appropriate.
12422 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12423 dummy-conditions.o. Eliminate references to insn-conditions.o,
12424 or change them to build/gencondmd.o, as appropriate. Remove
12425 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12426 from $(simple_generated_c). For all files remaining in those
12427 two lists, add insn-conditions.md to the generator command line.
12428 Give insn-constants.h/s-constants their own rules. Add rules
12429 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12430 (build/read-rtl.o): Depend on gensupport.h.
12431 (genprognormal): Include preds.
12432 (genprogearly): Rename genprognoprint; only difference is now that
12433 they don't link with $(BUILD_PRINT).
12434 * dummy-conditions.c: Delete.
12436 2006-01-22 Zack Weinberg <zackw@panix.com>
12438 * genextract.c: Don't include insn-config.h. Do include vec.h.
12439 Declare vectors of int, char, and locstr.
12440 (locstr): New typedef.
12441 (struct extraction): Make all array fields into bare pointers.
12442 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12443 (insn_code_number): Delete.
12444 (accum_extract): New struct.
12445 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12446 (gen_insn): Take insn_code_number as an argument. Use an
12447 accum_extract structure instead of loading data directly into
12448 a struct extraction, and having to know how big it might get.
12449 (walk_rtx): Operate entirely on an accum_extract structure.
12450 (print_path): Avoid unnecessary use of printf.
12451 (print_header): New function, split out of main. Distinguish
12452 more carefully between an unrecognizable insn and an insn that
12453 has the code number of a define_expand.
12454 (main): Pass insn_code_number to gen_insn. Call print_header
12455 only after parsing. Avoid unnecessary use of printf.
12456 * Makefile.in (build/vec.o): New rule.
12457 (build/genextract): Depend on build/vec.o.
12458 (build/genextract.o): Don't depend on insn-config.h.
12460 2006-01-22 Zack Weinberg <zackw@panix.com>
12462 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12463 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12464 practical. Eliminate per-generator-program link rules.
12466 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12468 PR middle-end/24437
12469 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12470 with a call expr to ...
12471 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12473 2006-01-23 Richard Guenther <rguenther@suse.de>
12475 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12476 before make_edge with conditional EDGE_TRUE_VALUE.
12478 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12479 Jan Hubicka <jh@suse.cz>
12480 Richard Guenther <rguenther@suse.de>
12482 PR rtl-optimization/25654
12483 * cfgexpand.c (aggregate_contains_union_type): New function.
12484 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12485 for structure variables that contain a union type.
12487 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12489 * gengtype.c (new_structure): Return the structure.
12490 (create_option): Add an extra "next" argument.
12491 (create_field): New function.
12492 (adjust_field_rtx_def): Use create_option and create_field.
12493 Remove a now-unnecessary call to find_structure.
12494 (adjust_field_tree_def): Likewise.
12495 (note_yacc_type): Remove an unnecessary call to find_structure.
12496 * gengtype.h (new_structure): Return the structure.
12497 (create_option): Add an extra argument.
12498 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12499 (option): Adjust calls to create_option.
12501 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12503 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12505 2006-01-22 Paul Brook <paul@codesourcery.com>
12506 Peter Barada <peter@the-baradas.com>
12508 * config/m68k/m68k.md: Add Coldfire FPU support.
12509 Define FP mode macro and associated attributes.
12510 Use it for float mode patterns.
12511 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12512 (LIBCALL_VALUE): Use m68k_libcall_value.
12513 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12514 (m68k_function_value): Ditto.
12515 (emit_move_sequence): Ditto.
12516 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12517 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12518 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12519 (MULTILIB_EXCEPTIONS): Ditto.
12520 * config/m68k/m68k.opt: Add mcfv4e.
12521 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12522 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12523 (m68k_output_function_prologue): Save ColdFire FPU registers.
12524 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12525 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12526 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12527 ColdFire FPU registers.
12528 (m68k_libcall_value, m68k_function_value): New functions.
12529 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12530 (LIBCALL_VALUE): Use m68k_libcall_value.
12531 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12532 (MASK_COLDFIRE): Add MASK_CFV4E.
12533 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12534 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12535 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12536 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12537 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12538 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12539 * doc/invoke.tex: Document -mcfv4e on m68k.
12541 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12543 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12546 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12549 * c-opts.c (c_common_handle_option): Don't include
12550 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12551 * doc/invoke.texi (C++ Dialect Options): Document that
12552 -Wnon-virtual-dtor is no longer included in -Wall.
12554 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12556 * gcov.c (print_version), gcov-dump.c (print_version),
12557 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12560 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12562 * df-scan.c (problem_SCAN): Added NULL reset function.
12563 (df_scan_reset_blocks): Added code to call reset block function
12564 (df_bb_refs_delete) Fixed comment.
12565 (df_insn_refs_delete): Made tolerant of deleting non existent info
12566 for dataflow problems that need to be reset.
12567 * df-core.c (df_set_blocks): Ditto.
12568 * df.h (struct df_problem): Added reset_fun.
12569 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12570 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12571 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12572 functions to clear out all references to def-use or use-def chains.
12574 2006-01-21 Ben Elliston <bje@au.ibm.com>
12576 * varasm.c (assemble_real): Initialise data array.
12578 2006-01-20 Paul Brook <paul@codesourcery.com>
12580 Merge from csl-arm-branch.
12581 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12582 * config/arm/arm.md (movdi): Force operands[1] to a register
12583 if we have a non-register source.
12584 (*arm_movdi, *movdf_soft_insn): Require that one of the
12585 operands be a register.
12586 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12587 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12589 2006-01-20 DJ Delorie <dj@redhat.com>
12591 * varasm.c (initializer_constant_valid_p): Allow pointers
12592 initialized from integer constants of lesser precision.
12593 (output_constant): Allow non-int-sized pointer modes to be
12594 initialized from integer constants.
12596 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12599 * cppdefault.h (struct default_include): Add multilib flag.
12600 * cppdefault.c (cpp_include_defaults): Set it.
12601 * c.opt (-imultilib): New option.
12602 * c-opts.c (imultilib): New.
12603 (c_common_handle_option): Handle -imultilib.
12604 (c_common_post_options): Likewise.
12605 * c-incpath.c (add_standard_paths, register_include_chains):
12607 * c-incpath.h (register_include_chains): Add extra parameter.
12608 * gcc.c (do_spec_1): Generate -imultilib option.
12609 (The Specs Language): Update %I description.
12610 (process_command): Update copyright notice.
12611 * doc/cppopts.texi (-imultilib): Document.
12612 * doc/invoke.texi (-imultilib): Include in option summary.
12613 (%I): Update specs documentation.
12615 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12617 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12619 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12621 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12624 2006-01-20 Richard Guenther <rguenther@suse.de>
12625 Steven Bosscher <stevenb.gcc@gmail.com>
12627 PR rtl-optimization/24626
12628 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12629 EDGE_TRUE_VALUE if in RTL mode.
12632 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12633 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12635 2006-01-20 Dirk Mueller <dmueller@suse.com>
12638 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12639 instead of a special NOP marker.
12640 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12641 NOP marker handling.
12642 * c-common.h (empty_body_warning): Add forward declaration.
12643 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12644 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12646 2006-01-20 Paul Brook <paul@codesourcery.com>
12648 * Makefile.in (lang_checks): Keep going if mkdir fails.
12650 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12652 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12653 be able to clean out basic block when not necessary.
12654 (df_scan_free): Fixed to properly delete information if df is
12655 unused before calling df_finish.
12656 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12657 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12659 (df_bb_refs_delete): New function.
12660 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12661 * df-core.c (df_set_blocks): Added code to properly clean out
12662 unused blocks if they are not part of the blocks to consider.
12663 Added additional null check.
12664 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12665 be able to clean out basic block when not necessary
12666 * df.h (df_free_bb_function): Ditto.
12667 (df_bb_refs_delete): New function.
12668 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12669 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12670 basic block parameter to be able to clean out basic block when not
12672 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12673 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12674 Fixed to properly delete information if df is unused before
12677 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12679 PR rtl-optimization/25799
12680 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12681 Corrected confluence operator to remove bits from op2 before oring
12682 with op1 rather than removing bits from op1.
12683 (df_ru_transfer_function): Corrected test on wrong bitmap which
12684 caused infinite loop. Both of these problems were introduced in
12685 the dataflow rewrite.
12687 2006-01-19 DJ Delorie <dj@redhat.com>
12689 * reload1.c (find_reload_regs): Note the details of reload
12690 failures in the dump file.
12691 (spill_failure): Likewise.
12693 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12695 * loop-iv.c: Include df.h and hashtab.h.
12696 (enum iv_grd_result): New enum.
12697 (DF_REF_IV, DF_REF_IV_SET): New macros.
12698 (struct biv_entry): New.
12699 (df, bivs): New global variables.
12700 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12701 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12703 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12704 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12705 analyzed_for_bivness_p, record_biv): New functions.
12706 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12707 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12708 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12710 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12712 (iv_number_of_iterations): Use new interface to iv analysis.
12713 * loop-unroll.c: Do not include varray.h.
12714 (analyze_iv_to_split_insn): Use new interface to iv
12716 * loop-unswitch.c (may_unswitch_on): Ditto.
12717 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12719 (df_bb_modify): Realloc tables to the new index.
12720 (df_find_use): New function.
12721 * df.h (df_find_use): Declare.
12722 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12724 * cfgloop.h (struct rtx_iv): Remove analysed field.
12725 (iv_get_reaching_def): Removed.
12726 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12727 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12728 (loop-iv.o): Add df.h and hashtab.h dependency.
12729 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12731 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12734 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12736 (__floatundisf, __floatundidf): Likewise.
12737 * libgcc2.h (IS_IBM_EXTENDED): Define.
12739 2006-01-19 DJ Delorie <dj@redhat.com>
12741 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12743 2006-01-19 Paul Brook <paul@codesourcery.com>
12745 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12746 as nothrow when unwinding tables are disabled.
12748 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12751 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12752 of bit-field" when in system header.
12754 2006-01-19 DJ Delorie <dj@redhat.com>
12756 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12757 the 16 bit shift limit of the m16c.
12759 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12762 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12763 * config/i386/i386.c (output_set_got): Output the label if we have one
12764 for the TARGET_DEEP_BRANCH_PREDICTION case.
12766 2006-01-19 Jan Hubicka <jh@suse.cz>
12767 H.J. Lu <hongjiu.lu@intel.com>
12768 Evandro Menezes <evandro.menezes@amd.com>
12770 * invoke.texi (generic): Document
12772 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12773 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12774 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12775 (x86_use_incdec, x86_pad_returns): New variables
12776 (TARGET_CPU_DEFAULT_generic): New constant
12777 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12778 (enum processor_type): Add generic32 and generic64.
12779 * i386.md (cpu attribute): Add generic32/generic64
12780 (movhi splitter): Behave sanely when both partial_reg_dependency and
12781 partial_reg_stall are set.
12782 (K8 splitters): Enable for generic as well.
12783 * predicates.md (incdec_operand): Use TARGET_INCDEC
12784 (aligned_operand): Avoid memory mismatch stalls.
12785 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12786 * ppro.md: Enable for generic32
12787 * i386.c (generic64_cost, generic32_cost): New.
12788 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12789 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12790 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12791 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12792 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12793 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12794 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12795 x86_accumulate_outgoing_args, x86_prologue_using_move,
12796 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12797 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12798 Enable for generic.
12799 (x86_use_incdec, x86_pad_returns): New.
12800 (override_options): Add generic32 and generic64, translate "generic"
12801 to generic32/generic64 and "i686" to "generic32", refuse
12802 "generic32"/"generic64" as arch target.
12803 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12804 (ix86_reorg): Honor PAD_RETURNS.
12806 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12808 * tree-pretty-print.c (dump_generic_node): Handle
12809 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12810 * cgraph.c (cgraph_expand_queue): Rename from
12811 cgraph_analyze_queue. Update all users.
12812 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12813 cgraph_expand_queue.
12814 (cgraph_expand_all_functions): Likewise.
12815 (cgraph_finalize_pending_functions): Remove. Update callers.
12817 * tree.h (OMP_DIRECTIVE_P): Define.
12818 (OMP_PARALLEL_FN): Define.
12819 (OMP_PARALLEL_DATA_ARG): Define.
12820 (OMP_SECTIONS_SECTIONS): Define.
12821 * tree-pass.h (pass_expand_omp): Declare.
12822 * omp-low.c (struct omp_region): Declare.
12823 (struct omp_context): Remove fields 'parallel_type',
12824 'parallel_start_ix' and 'parallel_start_additional_args'.
12826 (struct omp_for_data): Rename from struct expand_omp_for_data.
12827 (omp_regions): New static variable.
12828 (root_omp_region): New static variable.
12829 (find_omp_clause): Make static.
12830 (is_in_combined_parallel_ctx): Remove.
12831 (is_combined_parallel): New.
12832 (extract_omp_for_data): Move earlier in the file.
12833 (workshare_safe_to_combine_p): New.
12834 (get_ws_args_for): New.
12835 (determine_parallel_type): Move earlier in the file.
12836 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12838 (omp_copy_decl): Likewise.
12839 (create_omp_child_function): Likewise.
12840 (lookup_omp_region): New.
12841 (dump_omp_region): New.
12842 (debug_omp_region): New.
12843 (debug_all_omp_regions): New.
12844 (new_omp_region): New.
12845 (scan_omp_parallel): If parallel_nesting_level > 1, the
12846 directive is nested within another parallel directive.
12847 Set OMP_PARALLEL_FN.
12848 (scan_omp_for): Do not try to handle combined parallel+for
12850 Remove FIXME comment.
12851 (scan_omp_nested): Remove.
12852 (scan_omp_1): Do not call scan_omp_nested when
12853 parallel_nesting_level is > 1.
12854 Do not change the DECL_CONTEXT of local variables found.
12855 (lookup_decl_in_outer_ctx): New.
12856 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12857 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12858 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12859 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12860 If CTX is nested, lookup VAR in the outer context when
12861 building copy assignment.
12862 (lower_send_clauses): Rename from expand_send_clauses.
12863 If CTX is nested, lookup VAR in the outer context when
12864 building copy assignments.
12865 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12866 If CTX is nested, lookup VAR in the outer context when
12867 building copy assignments.
12868 (expand_parallel_call): Rename from build_parallel_call.
12869 Handle combined parallel+workshare cases.
12870 Re-implement to emit code into the CFG.
12872 (expand_omp_parallel): Re-implement to emit code into the CFG.
12873 Call move_sese_region_to_fn to outline the sub-graph
12874 containing the parallel region.
12875 (expand_omp_for_1): Remove.
12876 (expand_omp_for_generic): Re-implement to emit code into the
12878 (expand_omp_for_static_nochunk): Likewise.
12879 (expand_omp_for_static_chunk): Likewise.
12880 (expand_omp_for): Likewise.
12881 (expand_omp_sections): Likewise.
12882 (remove_exit_barriers): New.
12883 (expand_omp_synch): New.
12885 (build_omp_regions_1): New.
12886 (build_omp_regions): New.
12887 (execute_expand_omp): New.
12888 (gate_expand_omp): New.
12889 (pass_expand_omp): Define.
12890 (lower_omp_sections): Rename from expand_omp_sections.
12891 Set OMP_SECTIONS_SECTIONS.
12892 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12893 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12894 (lower_omp_single): Rename from expand_omp_simple.
12895 (lower_omp_master): Rename from expand_omp_master.
12896 (lower_omp_ordered): Rename from expand_omp_ordered.
12897 (lower_omp_critical): Rename from expand_omp_critical.
12898 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12899 (lower_omp_for): Re-implement.
12900 (lower_omp_parallel): Re-implement.
12901 (lower_regimplify): Rename from expand_regimplify.
12902 (lower_omp_1): Rename from expand_omp_1.
12903 If there are syntax errors in the program, replace every
12904 OpenMP directive with NOP.
12905 Call lower_omp_* instead of expand_omp_*.
12906 (lower_omp): Rename from expand_omp.
12908 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12909 * tree-gimple.h (enum omp_parallel_type): Remove.
12910 (gimple_boolify): Declare extern.
12911 (find_omp_clause, determine_parallel_type): Remove.
12913 * gimple-low.c (lower_omp_directive): New.
12914 (lower_stmt): Call it.
12915 (record_vars_into): Move from ...
12916 (record_vars): ... here.
12917 Call record_vars_into with current_function_decl.
12919 * gimplify.c (struct gimplify_ctx): Remove fields
12920 combined_pre_p and combined_ctxp. Update users.
12921 (get_formal_tmp_var): Add documentation.
12922 (gimple_boolify): Make extern.
12923 (gimplify_expr_in_ctx): Remove. Update callers.
12924 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12925 will always be a BIND_EXPR.
12926 (gimplify_expr): Handle OMP_RETURN_EXPR.
12927 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12928 (OMP_PARALLEL): Add 3 operands.
12929 (OMP_SECTIONS): Add 1 operand.
12930 (OMP_RETURN_EXPR): Define.
12932 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12933 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12934 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12935 creating a circular free list.
12936 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12938 * tree-flow.h (move_sese_region_to_fn): Declare.
12939 (record_vars_into): Declare.
12940 * tree-cfg.c (make_omp_sections_edges): New.
12941 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12942 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12943 OMP_SECTIONS and OMP_SECTION.
12944 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12945 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12946 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12947 (gather_blocks_in_sese_region): New.
12948 (struct move_stmt_d): Declare.
12949 (move_stmt_r): New.
12950 (move_block_to_fn): New.
12951 (move_sese_region_to_fn): New.
12953 * passes.c (init_optimization_passes): Schedule
12954 pass_expand_omp after pass_init_datastructures.
12956 * tree-ssa-operands.c (get_expr_operands): Handle
12957 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12958 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12960 2006-01-19 Jeff Law <law@redhat.com>
12962 * tree-vrp.c (extract_range_from_assert): Refine the result range
12963 if the variable referenced by the ASSERT_EXPR has a range and
12964 either the tentative result range or the previous range is a
12967 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12969 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12971 2006-01-19 Jan Hubicka <jh@suse.cz>
12973 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12975 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12977 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12978 (expand_compound_operation, expand_field_assignment): Fail if the
12979 bit lengths of an extract operation are out of range.
12980 (make_extraction): Compute wanted_inner_mode based on the position
12981 and length of the extraction. Make it extraction_mode for non-constant
12982 positions, and do not modify offset in that case. When generating a
12983 new MEM, use a mode that can hold the extraction while keeping correct
12984 alignment. Remove code that supported MEMs wrapped by USEs.
12985 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12987 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12989 * config/s390/s390.md ("Y", "y"): New mode attribute.
12990 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12991 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12992 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12993 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12994 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12995 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12996 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12997 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12998 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12999 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13000 "addsi3", "subsi3"): Insn patterns removed.
13001 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13002 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13003 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13004 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13005 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13006 "*sub<mode>3_cconly2"): New insn patterns.
13007 ("addsi3", "subsi3"): New expanders.
13009 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13011 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13012 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13013 existing STMT_VINFO_VECTYPE if available.
13014 (vect_mark_relevant): Add special handling for stmts that are
13015 marked as STMT_VINFO_IN_PATTERN_P.
13016 (vect_analyze_loop): Call vect_pattern_recog.
13017 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13018 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13020 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13021 (vect_recog_func_ptr): New function-pointer type.
13022 * tree-vect-patterns.c: New file.
13023 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13024 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13025 (vect_pattern_recog_1): New functions.
13026 (vect_pattern_recog_funcs): New array of function pointers.
13028 * tree-vectorizer.h (ternary_op): New enum value.
13029 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13030 declaration. Revised documentation. Removed redundant dump prints.
13031 Removed redundant argument. Added support for reduction patterns.
13032 (vectorizable_reduction): Added support for reduction patterns.
13033 (vect_transform_stmt): Added support for patterns.
13035 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13036 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13037 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13038 (expand_widen_pattern_expr): New function.
13039 (init_optabs): Initialize new optabs udot_prod_optab,
13041 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13042 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13043 (expand_widen_pattern_expr): New function declaration.
13044 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13046 * tree-inline.c (estimate_num_insns_1): Added cases for new
13047 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13048 * tree-pretty-print.c (dump_generic_node): Likewise.
13049 (op_prio): Likewise.
13050 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13051 * tree-ssa-operands.c (get_expr_operands): Added case for
13053 * tree-vect-patterns.c (widened_name_p): New function.
13054 (vect_recog_dot_prod_pattern): Added function implementation.
13055 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13056 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13057 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13058 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13060 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13061 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13062 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13063 (init_optabs): Initialize new optabs widen_ssum_optab,
13065 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13066 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13067 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13068 use instead of type of def.
13069 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13070 function implementation.
13071 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13072 widen_ssumv8hi): New.
13074 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13077 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13080 * c-decl.c (add_flexible_array_elts_to_size): New function.
13081 (finish_decl): Use it.
13083 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13085 * diagnostic.h: Include options.h.
13086 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13087 dependancies for diagnostic.h.
13088 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13090 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13092 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13093 (ssa_ro_call_cache_valid): Ditto.
13094 * tree-ssa-alias.c (sort_tags_by_id): New function.
13095 (init_transitive_clobber_worklist): Ditto.
13096 (add_to_worklist): Ditto.
13097 (mark_aliases_call_clobbered): Ditto.
13098 (compute_tag_properties): Ditto.
13099 (set_initial_properties): Ditto.
13100 (compute_call_clobbered): Ditto.
13101 (compute_may_aliases): Call compute_call_clobbered and grouping.
13102 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13103 (compute_flow_insensitive_aliasing): Grouping now happens in our
13105 (setup_pointers_and_addressables): Remove clobbering related code.
13106 (add_may_alias): Ditto.
13107 (replace_may_alias): Ditto.
13108 (get_nmt_for): Ditto.
13109 (create_global_var):
13110 (is_escape_site): Return an escape_type enumeration.
13111 * tree-flow-inline.h (is_call_clobbered): Global var does not
13112 imply call clobbered.
13113 (mark_call_clobbered): Take a reason for marking this. Remove
13114 marking of globalness, and cache invalidation.
13115 (clear_call_clobbered): Remove cache invalidation code.
13116 * tree-dfa.c (dump_variable): If details is on, dump the reason
13118 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13120 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13121 (struct var_ann_d): Ditto.
13122 (enum escape_type): New.
13123 (mark_call_clobbered): Adjust prototype.
13124 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13125 are never call clobbered.
13126 Record reasons for escaping.
13127 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13128 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13129 (ssa_ro_call_cache_valid): Ditto.
13130 (clobbered_v_may_defs): Ditto.
13131 (clobbered_vuses): Ditto.
13132 (ro_call_vuses): Ditto.
13133 (clobber_stats): New.
13134 (init_ssa_operands): Zero out clobber stats.
13135 (fini_ssa_operands): Print out clobber stats.
13136 (get_call_expr_operands): Pass callee fndecl to
13137 add_call_read_ops).
13138 (add_call_clobber_ops): Remove use of cache.
13139 Add use of PURE_CONST information.
13140 (add_call_read_ops): Remove use of cache.
13141 Add use of static not_read information.
13143 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13145 Introduce TLS descriptors for i386 and x86_64.
13146 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13147 (TARGET_ANY_GNU_TLS): New macro.
13148 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13149 (struct machine_function): Add tls_descriptor_call_expanded_p.
13150 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13151 (ix86_current_function_calls_tls_descriptor): Likewise.
13152 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13153 (override_options): Introduce gnu2 tls dialect.
13154 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13156 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13158 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13159 (ix86_init_machine_status): Initialize new field.
13160 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13161 (ix86_tls_module_base): New.
13162 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13163 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13164 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13165 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13166 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13167 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13168 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13169 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13170 * config/i386/predicates.md (tls_modbase_operand): New.
13171 (tp_or_register_operand): New.
13173 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13175 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13176 (look_for_address_of): Ditto.
13177 (ipa_init): Walk the function decls.
13178 (static_execute): Don't set readonly on FUNCTION_DECL's.
13180 2006-01-18 Roger Sayle <roger@eyesopen.com>
13182 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13183 for shifts where the source and destination registers are different.
13185 2006-01-18 Paul Brook <paul@codesourcery.com>
13187 Merge from csl-arm-branch.
13188 2005-03-14 Julian Brown <julian@codesourcery.com>
13189 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13190 (aeabi_llsl): Likewise.
13191 (ashrdi3): Likewise.
13192 (aeabi_lasr): Likewise.
13193 (lshrdi3): Likewise.
13194 (aeabi_llsr): Likewise.
13195 2005-03-10 Julian Brown <julian@codesourcery.com>
13196 * config.gcc: Disable shared libgcc for SymbianOS.
13197 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13199 2006-01-18 DJ Delorie <dj@redhat.com>
13201 * c-pragma.c (handle_pragma_diagnostic): New.
13202 (init_pragma): Register it.
13203 * doc/extend.texi: Document it.
13205 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13206 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13207 (diagnostic_context): Add classify_diagnostic[].
13208 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13209 as errors if they're overridden to DK_WARNING.
13210 (diagnostic_initialize): Initialize classify_diagnostic[].
13211 (diagnostic_set_kind_override): New.
13212 (diagnostic_report_diagnostic): Check for kind changes.
13213 * opts.c (common_handle_option): Take lang_mask. Update callers.
13214 Handle OPT_Werror_.
13215 * common.opt (Werror=): New.
13216 * doc/invoke.texi: Document -Werror=*
13218 2006-01-18 Jeff Law <law@redhat.com>
13220 * tree-vrp.c (test_for_singularity): Correct test for new
13221 min limit. Use operand_equal_p rather than pointer equality
13222 for testing if new min/max values are equal.
13224 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13225 using range information until after propagation and folding.
13227 2006-01-18 Richard Henderson <rth@redhat.com>
13228 Aldy Hernandez <aldyh@redhat.com>
13229 Jakub Jelinek <jakub@redhat.com>
13230 Diego Novillo <dnovillo@redhat.com>
13232 * omp-low.c: New file.
13233 * c-omp.c: New file.
13235 2006-01-18 Richard Henderson <rth@redhat.com>
13236 Jakub Jelinek <jakub@redhat.com>
13237 Diego Novillo <dnovillo@redhat.com>
13239 * doc/invoke.texi: Document -fopenmp.
13240 * tree-dump.h (debug_function): Declare.
13241 * hooks.c (hook_bool_tree_bool_false): New function.
13242 (hook_tree_tree_null): Remove.
13243 (hook_tree_tree_tree_null): New.
13244 * hooks.h: Update to match.
13245 * tree-pretty-print.c (debug_tree_chain): New.
13246 (print_generic_expr): Handle TDF_CHAIN.
13247 (dump_generic_node): Handle BLOCK.
13248 Do not abort with incomplete SWITCH_EXPRs.
13249 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13250 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13251 print space after directive name.
13252 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13253 Handle OMP_MASTER and OMP_ORDERED.
13254 Handle printing of OMP_BODY just in one place, goto
13255 dump_omp_body in the rest of OMP_* nodes that have
13257 Don't handle clause nodes here. Update omp statements to
13258 use dump_omp_clauses.
13259 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13260 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13261 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13262 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13263 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13264 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13265 Adjust output for GOMP_PARALLEL.
13266 (dump_omp_clauses): New.
13267 (print_declaration): Dump DECL_VALUE_EXPR.
13268 (op_symbol_1): Split out of op_symbol.
13269 (dumping_stmts): Remove. Update all users.
13270 * cgraph.c (cgraph_analyze_queue): New.
13271 (cgraph_add_new_function): New.
13272 * cgraph.h (cgraph_analyze_queue): Declare.
13273 (cgraph_add_new_function): Declare.
13274 (cgraph_lower_function): Remove.
13275 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13276 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13277 and TYPE_P nodes in its default clause.
13278 (empty_body_p): New.
13279 (tree_range_check_failed): New.
13280 (build5_stat): New.
13281 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13282 OMP_CLAUSE_REDUCTION_MERGE,
13283 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13284 OMP_CLAUSE_PRIVATE_DEBUG,
13285 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13286 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13287 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13288 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13289 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13290 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13291 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13292 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13293 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13294 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13295 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13296 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13297 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13298 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13299 (TREE_RANGE_CHECK): New.
13300 (empty_body_p): Declare.
13301 (enum omp_clause_default_kind): New.
13302 (build_string_literal): Declare.
13303 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13304 (build5_stat, build5): Declare.
13305 * tree-pass.h (TDF_CHAIN): Define.
13306 * tree-pass.h (PROP_gimple_lomp): Define.
13307 (pass_lower_omp): Declare.
13308 * diagnostic.h (debug_tree_chain): Declare.
13309 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13311 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13312 * builtins.c (build_string_literal): Make extern.
13313 * gcc.c (include_spec_function): New.
13314 (static_spec_functions): Add it.
13315 (main): Move load of libgomp.spec ...
13316 (LINK_COMMAND_SPEC): ... here.
13317 (link_gomp_spec): New.
13318 (static_specs): Include it.
13319 (LINK_COMMAND_SPEC): Add link_gomp.
13320 (GOMP_SELF_SPECS): New.
13321 (driver_self_specs): Include it.
13322 (switch_matches): Don't mark inline.
13323 (main): Load libgomp.spec.
13324 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13325 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13326 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13327 * tree-gimple.h (enum omp_parallel): Declare.
13328 (determine_parallel_type): Declare.
13329 (omp_firstprivatize_variable): Declare.
13330 (omp_reduction_init): Declare.
13331 (diagnose_omp_structured_block_errors): Declare.
13332 (struct walk_stmt_info): Add want_return_expr.
13333 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13334 (find_omp_clause): Declare.
13335 (insert_field_into_struct): Declare.
13336 (struct walk_stmt_info): Move from tree-nested.c
13337 (walk_stmts): Declare.
13338 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13340 * cgraphunit.c (cgraph_lower_function): Make static.
13341 (cgraph_finalize_pending_functions): New.
13342 (cgraph_finalize_function): Call it.
13343 (cgraph_finalize_compilation_unit): Likewise.
13344 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13345 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13346 (BT_FN_UINT_UINT): New.
13347 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13348 DEF_FUNCTION_TYPE_VAR_4): Document.
13349 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13350 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13351 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13352 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13353 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13354 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13355 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13356 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13357 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13358 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13359 into separate files.
13360 (DEF_GOMP_BUILTIN): New.
13361 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13362 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13363 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13364 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13365 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13366 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13367 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13368 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13369 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13370 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13371 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13372 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13373 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13374 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13375 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13376 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13377 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13378 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13379 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13380 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13381 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13382 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13383 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13384 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13385 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13386 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13387 * sync-builtins.def: New file, moved from builtins.def.
13388 * omp-builtins.def: New file, moved from builtins.def.
13389 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13390 * gimple-low.c (lower_function_body): Clear data.
13391 (lower_stmt): Do not handle COMPOUND_EXPR.
13392 Remove call to print_node_brief.
13393 * c-tree.h (c_finish_omp_clauses): New prototype.
13394 (C_DECL_THREADPRIVATE_P): Define.
13395 (lookup_name_no_remap, c_omp_remap_private): Remove
13396 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13397 (check_for_loop_decls): Update decl.
13398 (lookup_name_no_remap, c_omp_remap_private): Declare.
13399 (build_indirect_ref, build_modify_expr, pushdecl,
13400 pushdecl_top_level): Move to c-common.h.
13401 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13402 before the switch, but just in the 2 places that need it.
13403 * c-decl.c (diagnose_mismatched_decls): Do not check for
13404 mismatched thread-local attributes when OLDDECL is marked
13405 threadprivate and NEWDECL has no thread-local attributes.
13406 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13407 (c_gimple_diagnostics_recursively): Rename from
13408 c_warn_unused_result_recursively. Invoke
13409 diagnose_omp_structured_block_errors.
13410 (check_for_loop_decls): Return a singular decl found.
13411 * langhooks.c (lhd_omp_predetermined_sharing): Return
13412 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13413 (lhd_omp_firstprivatize_type_sizes): New.
13414 (lhd_omp_assignment): New.
13415 (lhd_omp_predetermined_sharing): New.
13416 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13417 (struct lang_hooks_for_types): Add
13418 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13419 omp_predetermined_sharing, omp_disregard_value_expr,
13420 omp_private_debug_clause, omp_clause_default_ctor,
13421 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13422 (c_finish_omp_clauses): New.
13423 (c_finish_bc_stmt): Diagnose break within omp for.
13424 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13425 (build_unary_op): Return error_mark after reporting
13427 (build_modify_expr): Likewise.
13428 * gimplify.c: Include optabs.h and pointer-set.h.
13429 (enum gimplify_omp_var_data): Declare.
13430 (struct gimplify_omp_ctx): Declare.
13431 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13433 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13434 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13435 (splay_tree_compare_decl_uid): New.
13436 (new_omp_context): New.
13437 (delete_omp_context): New.
13438 (gimple_add_tmp_var): Call omp_add_variable.
13439 (gimplify_bind_expr): Likewise.
13440 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13441 true, disregard DECL_VALUE_EXPR on the decl if any.
13442 (gimplify_expr_in_ctx): New.
13443 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13444 omp_add_variable, omp_notice_variable, omp_is_private
13445 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13446 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13447 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13448 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13449 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13450 gimplify_omp_atomic): New.
13451 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13452 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13453 OMP_CRITICAL and OMP_ATOMIC.
13454 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13455 * c-pragma.h (enum pragma_kind): Add
13456 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13457 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13458 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13459 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13460 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13461 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13462 PRAGMA_OMP_THREADPRIVATE.
13463 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13464 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13465 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13466 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13467 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13468 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13469 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13470 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13471 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13472 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13473 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13474 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13475 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13477 (struct nesting_info): Add field_map,
13478 suppress_expansion, debug_var_chain.
13479 (create_nesting_tree): Initialize them.
13480 (lookup_field_for_decl): Use field_map.
13481 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13482 (convert_local_omp_clauses): New.
13483 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13484 (walk_body): Split out of walk_function.
13485 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13486 (convert_nonlocal_reference): Handle omp statements.
13487 (convert_local_reference): Likewise.
13488 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13489 (unnest_nesting_tree): New.
13490 (lower_nested_functions): Call it.
13491 (insert_field_into_struct): Make extern.
13492 (struct walk_stmt_info): Move to tree-gimple.h.
13493 (walk_stmts): Make extern.
13494 * omp-builtins.def: New file.
13495 * tree-iterator.c (expr_only): Clarify comment.
13496 * c-common.h (pushdecl_top_level, pushdecl,
13497 build_modify_expr, build_indirect_ref,
13498 c_finish_omp_master, c_finish_omp_critical,
13499 c_finish_omp_ordered, c_finish_omp_barrier,
13500 c_finish_omp_atomic, c_finish_omp_flush,
13501 c_finish_omp_for, c_split_parallel_clauses,
13502 omp_clause_default_kind, c_omp_sharing_predetermined,
13503 c_omp_remap_decl): Declare.
13504 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13505 (OBJS-common): Add omp-low.o.
13506 (c-omp.o, omp-low.o): Add.
13507 (gimplify.o): Add dependency on $(OPTABS_H).
13508 (GTFILES): Add omp-low.c.
13509 (gt-stringpool.h): Add.
13510 * tree-cfg.c (set_bb_for_stmt): Do not update the
13511 block-to-labels map if we are currently expanding to RTL.
13512 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13514 Handle IDENTIFIER_NODE.
13515 (tree_verify_flow_info): Do not ICE when emitting error
13516 messages about invalid labels.
13517 (dump_function_to_file): Reset CFUN before emitting the body
13519 (debug_function): New.
13520 * passes.c (init_optimization_passes): Schedule
13522 * langhooks-def.h (lhd_omp_predetermined_sharing,
13523 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13525 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13526 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13527 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13528 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13529 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13530 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13531 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13532 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13533 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13534 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13535 (LANG_HOOK_DECLS): Use them.
13537 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13538 Richard Henderson <rth@redhat.com>
13539 Jakub Jelinek <jakub@redhat.com>
13540 Diego Novillo <dnovillo@redhat.com>
13542 * c-parser.c (pragma_omp_clause): Define.
13543 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13544 (c_parser_compound_statement): Likewise.
13545 (c_parser_statement): Likewise.
13546 (c_parser_pragma): Handle omp pragmas.
13547 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13548 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13549 (c_parser_omp_clause_name, check_no_duplicate_clause,
13550 c_parser_omp_variable_list,
13551 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13552 c_parser_omp_clause_copyprivate,
13553 c_parser_omp_clause_default,
13554 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13555 c_parser_omp_clause_lastprivate,
13556 c_parser_omp_clause_nowait,
13557 c_parser_omp_clause_num_threads,
13558 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13559 c_parser_omp_clause_reduction,
13560 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13561 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13562 c_parser_omp_atomic, c_parser_omp_barrier,
13563 c_parser_omp_critical, c_parser_omp_flush,
13564 c_parser_omp_for_loop, c_parser_omp_for,
13565 c_parser_omp_master, c_parser_omp_ordered,
13566 c_parser_omp_sections_scope, c_parser_omp_sections,
13567 c_parser_omp_parallel, c_parser_omp_single,
13568 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13569 * c-pragma.c (init_pragma): Do omp pragma registration here.
13570 * c.opt (fopenmp): New flag.
13572 2006-01-18 Eric Christopher <echristo@apple.com>
13574 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13575 * config/darwin.h (GOMP_SELF_SPECS): Define.
13577 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13579 * rtl.h: Remove the prototype for reg_alloc.
13581 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13584 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13585 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13586 sjlj and dwarf2 exception handling.
13587 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13588 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13589 * pa/pa.c (function_value): Treat complex and vector types as
13591 (function_arg): Likewise. Only pass scalar floats in the floating
13592 point argument registers.
13593 * pa/t-slibgcc-dwarf-ver: New file.
13594 * pa/t-slibgcc-sjlj-ver: New file.
13595 * pa/t-slibgcc-elf-ver: Delete file.
13597 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13599 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13600 unlikely_test_section_p test.
13602 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13604 * mode-switching.c (optimize_mode_switching): Make it static.
13605 * basic-block.h: Remove the prototype for
13606 optimize_mode_switching.
13608 * modulo-sched.c (sms_schedule): Make it static.
13609 * rtl.h: Remove the prototype for sms_schedule.
13611 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13612 * rtl.h: Remove the prototype for gcse_after_reload_main.
13614 * reg-stack.c (reg_to_stack): Make it static.
13615 * rtl.h: Remove the prototype for reg_to_stack.
13617 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13619 * rtl.h: Remove the prototypes for regrename_optimize and
13620 copyprop_hardreg_forward.
13622 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13624 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13625 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13626 Test against the appropriate null constant for the mode.
13627 If 'fixup_overlap' is true, swap the operands if they overlap.
13628 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13629 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13630 alpha_split_tmode_pair and adjust for above change.
13631 * config/alpha/alpha.md (movtf_internal): Adjust call to
13632 alpha_split_tfmode_pair and rely on it to swap the operands.
13633 (movti_internal): New insn and post-reload splitter.
13634 (movti): New expander.
13636 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13638 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13641 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13643 * rtlanal.c (global_reg_mentioned_p_1,
13644 global_reg_mentioned_p): Remove.
13645 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13647 * flow.c (initialize_uninitialized_subregs): Make it static.
13648 * rtl.h: Remove the prototype for
13649 initialize_uninitialized_subregs.
13651 * function.c (instantiate_virtual_regs): Make it static.
13652 * function.h: Remove the prototype for
13653 instantiate_virtual_regs.
13655 * regmove.c (regmove_optimize, combine_stack_adjustments):
13657 * rtl.h: Remove the prototypes for regmove_optimize and
13658 combine_stack_adjustments.
13660 2006-01-17 Roger Sayle <roger@eyesopen.com>
13662 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13663 (size_cost): Encode costs in bytes so that a reg-reg addition is
13664 equivalent to COSTS_N_INSNS(1).
13665 (override_options): Use the size_cost.branch_cost as the default
13666 ix86_branch_cost when optimizing for size.
13668 2006-01-18 Ben Elliston <bje@au.ibm.com>
13670 * Makefile.in (D32PBIT_FUNCS): New.
13671 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13672 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13673 D64PBIT_FUNCS and D128PBIT_FUNCS.
13674 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13675 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13677 (decnumber_dep): Define.
13678 * doc/libgcc.texi (Decimal float library routines): New node.
13679 * config/dfp-bit.h, config/dfp-bit.c: New files.
13681 2006-01-18 Ben Elliston <bje@au.ibm.com>
13683 * expr.c (emit_move_change_mode): Always adjust addresses, not
13684 just during reload. Copy replacements only during reload.
13685 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13686 emit_move_via_integer.
13688 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13690 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13691 instead of $(srcdir) and ${srcdir}.
13693 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13696 PR middle-end/11135
13697 * arm.h (struct machine_function): Add pic_reg.
13698 * arm.c (arm_pic_register): Make unsigned.
13699 (arm_override_options): Only set arm_pic_register if
13700 TARGET_SINGLE_PIC_BASE.
13701 (use_return_insn): Only test for a pic register if it is fixed.
13702 (arm_compute_save_reg0_reg12_mask): Likewise.
13703 (thumb_compute_save_reg_mask): Likewise.
13704 (legitimate_pic_operand): Factor out some known invariants.
13705 (legitimize_pic_address): If we don't have a fixed pic register,
13706 then set up a pseudo in the function entry sequence. Handle the
13707 pic base being in a pseudo.
13708 (arm_load_pic_register): Handle the pic register being in a pseudo.
13709 (arm_expand_prologue): Only set up the pic register if it is fixed.
13710 (thumb_expand_prologue): Likewise.
13711 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13712 (pic_load_addr_based_insn): Likewise.
13713 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13716 2006-01-18 Ben Elliston <bje@au.ibm.com>
13718 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13719 decimal float modes for all floating point registers.
13721 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13722 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13724 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13727 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13728 even when the pointer is not NULL.
13730 2006-01-16 Ian Lance Taylor <ian@airs.com>
13732 * common.opt (ftoplevel-reorder): New option.
13733 * cgraph.c (cgraph_asm_nodes): New global variable.
13734 (cgraph_asm_last_node): New static variable.
13735 (cgraph_order): New global variable.
13736 (cgraph_create_node): Set new order field.
13737 (cgraph_varpool_node): Likewise.
13738 (decide_is_variable_needed): Return true if not
13739 flag_toplevel_reorder.
13740 (cgraph_add_asm_node): New function.
13741 * cgraph.h (struct cgraph_node): Add order field.
13742 (struct cgraph_varpool_node): Add order field.
13743 (struct cgraph_asm_node): Define.
13744 (cgraph_asm_nodes, cgraph_order): Declare.
13745 (cgraph_add_asm_node): Declare.
13746 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13748 (cgraph_varpool_assemble_pending_decls): Call it.
13749 (cgraph_output_pending_asms): New static function.
13750 (cgraph_finalize_compilation_unit): Call it.
13751 (struct cgraph_order_sort): Define.
13752 (cgraph_output_in_order): New static function.
13753 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13754 !flag_toplevel_reorder case.
13755 * c-parser.c: Include "cgraph.h".
13756 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13758 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13759 than -fno-unit-at-a-time.
13760 * doc/invoke.texi (Option Summary): Mention
13761 -fno-toplevel-reorder.
13762 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13763 -funit-at-a-time documentation.
13765 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13766 Kazu Hirata <kazu@codesourcery.com>
13768 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13770 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13772 * Makefile.in (FUNCTION_H): New. Use it instead of
13773 function.h throughout the file.
13774 * function.h: Include tree.h.
13776 2006-01-17 Ben Elliston <bje@au.ibm.com>
13778 * recog.c: Separate some functions with whitespace.
13780 2006-01-16 Richard Henderson <rth@redhat.com>
13782 Merge from gomp branch:
13783 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13784 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13785 and rename from struct inline_data. Rename callee* to dst*;
13786 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13787 transform_new_cfg, transform_return_to_modify, and
13788 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13790 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13791 (copy_decl_for_dup): Remove.
13792 * tree-inline.c (struct inline_data): Move to header.
13793 (insert_decl_map): Export.
13794 (remap_decl): Update for member name changes. Use copy_decl hook.
13795 Allow for replacement to be a non-decl. Remove dead code.
13796 (remap_type_1): Check for existing mapping.
13797 (remap_type): Export.
13798 (remap_decls): Update for member name changes.
13799 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13800 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13801 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13802 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13803 (tree_function_versioning, build_duplicate_type): Likewise.
13804 (copy_body_r): Likewise. Export.
13805 (copy_decl_for_dup): Split into ...
13806 (copy_decl_for_dup_finish, copy_decl_to_var,
13807 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13808 (replace_ref_tree, inlining_p): Remove.
13810 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13812 * ifcvt.c (if_convert): Make it static.
13813 * rtl.h: Remove the prototype for if_convert.
13815 * local-alloc.c (local_alloc): Make it static.
13816 * rtl.h: Remove the prototype for local_alloc.
13818 * loop.c (loop_optimize): Make it static.
13819 * cfgloop.h: Remove the prototype for loop_optimize.
13822 2006-01-16 DJ Delorie <dj@redhat.com>
13824 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13827 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13829 * pa.md: Disparage copies between general and floating-point registers
13830 in 32-bit move patterns.
13832 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13835 * Makefile.in (check-%): Depend on site.exp instead of
13836 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13839 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13841 * global.c (global_alloc): Make it static.
13842 * rtl.h: Remove the prototype for global_alloc.
13844 2006-01-16 Richard Guenther <rguenther@suse.de>
13846 * tree-ssa-alias.c (struct used_part): Add write_only field.
13847 (get_or_create_used_part_for): Initialize it to true.
13848 (create_overlap_variables_for): Don't create structure variables
13849 for structures that only are written to.
13850 (find_used_portions): Handle MODIFY_EXPR to track whether a
13851 structure is only written to.
13853 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13855 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13857 * basic-block.h: Remove the prototype for
13858 partition_hot_cold_basic_blocks.
13860 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13862 * cppspec.c (lang_specific_spec_functions): Remove.
13863 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13864 * gcc.h (lang_specific_spec_functions): Remove.
13865 * gccspec.c (lang_specific_spec_functions): Remove.
13867 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13869 * combine.c (record_value_for_reg): Invalidate registers
13871 (record_dead_and_set_regs_1): Likewise, by passing them to
13872 record_value_for_reg.
13873 (record_dead_and_set_regs): Invalidate stores made by a
13874 call. We do not combine across a call, but we still
13875 relied on equivalences.
13877 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13879 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13880 vrp_int_const_binop returning non-constant nodes.
13882 2006-01-16 Paul Brook <paul@codesourcery.com>
13884 * config/m68k/m68k.c (output_move_const_into_data_reg):
13885 Output correct mnemonic for mvz and mvs.
13887 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13889 * rtl-factoring.c: Add sequence abstraction algorithm.
13890 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13891 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13893 (block_has_preserve_label): New function.
13894 * common.opt: Register new pass.
13895 * Makefile.in: Ditto.
13897 * timevar.def: Ditto.
13898 * tree-pass.h: Ditto.
13899 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13900 * rtl.h (make_jump_insn_raw): Add forward decl.
13901 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13903 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13904 Roger Sayle <roger@eyesopen.com>
13906 * fold-const.c (fold_minmax): New static function.
13907 (fold_binary) <MIN_EXPR>: Call it.
13908 <MAX_EXPR>: Likewise.
13909 * stor-layout.c (place_field): Use DECL_SIZE consistently
13910 in the computation of the new record size.
13912 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13914 * cse.c (cse_condition_code_reg): Make it static.
13915 * rtl.h: Remove the prototype for cse_condition_code_reg.
13917 * combine.c (combine_instructions): Make it static.
13918 * rtl.h: Remove the prototype for combine_instructions.
13920 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13923 * tree.c (get_file_function_name_long): Concatenate the first global
13924 object name with a string derived from the input filename of the object
13927 2006-01-16 Ben Elliston <bje@au.ibm.com>
13929 * config/i386/winnt-stubs.c: Update FSF address.
13930 * config/xtensa/ieee754-df.S: Ditto.
13931 * config/xtensa/ieee754-sf.S: Ditto.
13933 2006-01-14 Ian Lance Taylor <ian@airs.com>
13935 * ifcvt.c (noce_init_if_info): New static function, broken out of
13936 noce_process_if_block.
13937 (noce_process_if_block): Call noce_init_if_info.
13938 (check_cond_move_block): New static function.
13939 (cond_move_process_if_block): New static function.
13940 (process_if_block): Call cond_move_process_if_block.
13942 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13944 * cselib.c (hash_table): Rename to cselib_hash_table.
13945 (cselib_clear_table, discard_useless_values,
13946 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13947 cselib_init, cselib_finish): Adjust uses of hash_table.
13949 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13951 PR tree-optimization/25485
13952 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13953 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13954 is known to be false and true, respectively.
13956 2006-01-14 Richard Guenther <rguenther@suse.de>
13958 PR tree-optimization/22548
13959 PR tree-optimization/22555
13960 PR tree-optimization/22501
13961 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13962 * params.def (salias-max-array-elements): New parameter.
13963 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13964 * doc/invoke.texi (salias-max-array-elements): Document.
13965 * tree-flow-inline.h (var_can_have_subvars): We also handle
13967 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13969 * tree-ssa-structalias.c (params.h): Include.
13970 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13971 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13972 (get_constraint_for): For ADDR_EXPR operating on something
13973 containing an ARRAY_REF, add all subvars to the solution.
13974 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13975 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13976 for creating MUST_DEFs.
13977 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13979 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13981 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13983 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13984 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13985 number_of_iterations_le): New functions.
13986 (number_of_iterations_special): Removed.
13987 (number_of_iterations_exit): Do not use number_of_iterations_special.
13988 * tree.c (unsigned_type_for): Always return integer type.
13990 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13991 Richard Guenther <rguenther@suse.de>
13993 PR rtl-optimization/24257
13994 * gcse.c (find_moveable_store): Only consider a store movable
13995 when the SET_SRC of the insn can be assigned to a register.
13997 2006-01-14 Ian Lance Taylor <ian@airs.com>
13999 * tree.c (tree_not_class_check_failed): New function.
14000 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14001 (tree_not_class_check_failed): Declare.
14003 2006-01-13 Ian Lance Taylor <ian@airs.com>
14005 * reload1.c (do_output_reload): Add assertion rejecting a
14008 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14010 * combine.c (struct reg_stat): Add new fields truncation_label and
14012 (record_value_for_reg): Reset truncated_to_mode.
14013 (record_truncated_value): New function.
14014 (check_promoted_subreg): Call it. Rename to check_conversions.
14015 (combine_instructions): Rename check_promoted_subreg to
14017 (reg_truncated_to_mode): New function.
14018 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14019 (gen_lowpart_or_truncate): New function.
14020 (force_to_mode): Use it instead of gen_lowpart.
14022 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14024 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14025 VAR is a tag, not its type tag.
14027 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14029 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14030 alternatives to match style of other entries.
14031 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14033 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14035 PR tree-optimization/25771
14036 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14039 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14042 * tree-inline.c (declare_return_variable): If the return variable
14043 was marked as a non gimple complex, set the return slot variable
14044 to be a non gimple comple variable.
14046 2006-01-13 Richard Guenther <rguenther@suse.de>
14048 * builtins.c (expand_builtin_sincos): New function.
14049 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14051 (expand_builtin): Expand sincos using expand_builtin_sincos.
14053 2006-01-12 DJ Delorie <dj@redhat.com>
14055 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14056 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14057 so that constant shifts can be split.
14058 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14059 (m32c_valid_pointer_mode): Make static.
14060 (shift_gen_func_for): New.
14061 (m32c_prepare_shift): Use it. Split large const shifts into
14063 * config/m32c/predicates.md (shiftcount_operand): Allow more
14065 (longshiftcount_operand): New.
14066 * doc/md.texi (Machine Constraints): Document In6.
14068 2006-01-13 Ben Elliston <bje@au.ibm.com>
14070 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14071 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14074 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14076 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14077 to try to avoid clobbering pieces of structures when we know
14078 something about the whole structure.
14079 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14081 2006-01-13 Ben Elliston <bje@au.ibm.com>
14083 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14084 return in memory, as this is no limitation is no longer present.
14086 2006-01-12 DJ Delorie <dj@redhat.com>
14088 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14089 mova with fb, and for fb+0 -> An.
14091 * config/m32c/mov.md (peephole2): Fix enabling logic.
14093 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14094 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14095 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14096 FINI_ARRAY_SECTION_ASM_OP): Define.
14098 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14100 (m32c_legitimize_reload_address): New logic to reload FB to An.
14101 (m32c_output_reg_push): Add newline.
14102 (m32c_output_reg_pop): Likewise.
14104 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14106 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14108 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14110 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14112 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14114 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14117 2006-01-11 Ben Elliston <bje@au.ibm.com>
14119 * rtlanal.c (find_reg_note): Assert insn is not null.
14121 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14123 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14126 2006-01-11 Jeff Law <law@redhat.com>
14128 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14130 (mark_threaded_blocks, register_jump_thread): New functions.
14131 (thread_through_all_blocks): Remove unwanted argument. No
14132 longer rely on e->aux to communicate thread target info.
14133 Call mark_threaded_blocks. Release the threaded_blocks
14134 bitmap and threaded_edges vector when complete.
14135 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14136 (threaded_blocks): Remove.
14137 (tree_ssa_dominator_optimize): Remove initialization and
14138 finalization of threaded_blocks. Simplify call to
14139 thread_through_all_blocks.
14140 (thread_across_edge): Call register_jump_thread rather than
14141 storing thread information into e->aux.
14142 (free_all_edge_infos): Simplify now that e->aux is no longer
14143 used to communicate with thread_through_all_blocks.
14144 * tree-flow.h (thread_through_all_blocks): Update prototype.
14145 (register_jump_thread): Prototype.
14147 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14149 * df-core.c (df_compact_blocks, df_bb_replace): Use
14150 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14152 2006-01-11 Richard Guenther <rguenther@suse.de>
14154 PR tree-optimization/25734
14155 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14156 stop propagation after successful propagation to the LHS.
14158 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14160 * basic-block.h (control_flow_graph): Change the type of
14161 x_basic_block_info to VEC(basic_block,gc) *.
14162 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14164 (SET_BASIC_BLOCK): New.
14165 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14166 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14167 * cfgbuild.c (find_basic_blocks): Likewise.
14168 * cfglayout.c (fixup_reorder_chain): Likewise.
14169 * cfgrtl.c (create_basic_block_structure,
14170 rtl_create_basic_block): Likewise.
14171 * ifcvt.c (find_if_case_1): Likewise.
14172 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14175 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14177 * Makefile.in: Removed rotted odf.c entry.
14179 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14182 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14183 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14184 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14185 output pattern modifier, not %e.
14186 * config/cris/cris.c (cris_op_str): Update comment about pattern
14188 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14189 before falling through into...
14190 <case 'E'>: Redefined from old 'e' case.
14192 2006-01-11 Jan Hubicka <jh@suse.cz>
14195 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14197 2006-01-11 Jan Hubicka <jh@suse.cz>
14199 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14200 * i386.c (x86_decompose_lea): Kill.
14201 (ix86_rtx_costs): Kill.
14203 2006-01-11 Jan Hubicka <jh@suse.cz>
14205 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14206 * cgraph.h (cgraph_node): Add inline_decl.
14207 (cgraph_insert_node_to_hashtable): Declare.
14208 (save_inline_function_body): Declare.
14209 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14211 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14212 (cgraph_function_versioning): Update call of tree_function_versioning.
14213 (save_inline_function_body): New function.
14214 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14215 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14216 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14217 (cgraph_default_inline_p): Likewise.
14218 (cgraph_decide_inlining_incrementally): Likewise.
14219 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14220 (copy_bb): Kill saving; do updating of clones.
14221 (copy_cfg_body): Kill saving.
14222 (initialize_inlined-parameters): Likewise.
14223 (expand_call_inline): Likewise.
14225 (tree_function_versioning): New parameter "update_clones".
14226 (inlining_p): Kill saving.
14227 * tree-inline.h (tree_function_versioning): Update prototype.
14228 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14231 2006-01-11 Ian Lance Taylor <ian@airs.com>
14233 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14234 Allow undoing set of machine mode.
14235 (do_SUBST): Use enums instead of is_int.
14236 (do_SUBST_MODE): New function.
14237 (SUBST_MODE): New macro.
14238 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14239 reg and trying to replace reg_regno_rtx with a new register.
14240 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14241 (simplify_set): Use SUBST_MODE.
14242 (distribute_notes): Remove code that tried to update reg notes
14243 for regno_reg_rtx changes.
14245 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14247 PR tree-optimization/23109
14248 PR tree-optimization/23948
14249 PR tree-optimization/24123
14251 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14252 * tree-cfg.c (single_noncomplex_succ): New.
14253 * tree-flow.h (single_noncomplex_succ): Declare it.
14254 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14255 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14256 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14257 insert_bb, register_division_in, insert_reciprocals,
14258 replace_reciprocal, free_bb): New.
14259 (execute_cse_reciprocals_1): Rewritten.
14260 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14261 Do not commit any edge insertion. Always compute dominators and
14262 create the allocation pool.
14263 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14264 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14265 * targhooks.c (default_min_divistions_for_recip_mul): New.
14266 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14267 * passes.c (init_optimization_passes): Run recip after tree loop
14269 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14271 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14272 Kenneth Zadeck <zadeck@naturalbridge.com>
14274 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14275 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14276 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14277 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14278 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14279 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14280 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14281 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14282 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14283 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14284 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14285 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14286 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14287 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14288 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14289 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14290 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14291 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14292 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14293 DF_SCAN_POST_ALLOC): New macros.
14294 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14295 df_free_bb_function, df_local_compute_function, df_init_function,
14296 df_dataflow_function, df_confluence_function_0,
14297 df_confluence_function_n, df_transfer_function,
14298 df_finalizer_function, df_free_function, df_dump_problem_function,
14299 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14300 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14301 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14302 df_urec_bb_info, ) New types.
14303 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14305 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14306 df_analyze_simple_change_some_blocks,
14307 df_analyze_simple_change_one_block, df_compact_blocks,
14308 df_bb_replace, df_bb_regno_last_use_find,
14309 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14310 df_insn_regno_def_p, df_find_def, df_find_use,
14311 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14312 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14313 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14314 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14315 debug_df_chain, df_get_dependent_problem, df_chain_create,
14316 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14317 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14318 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14319 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14320 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14321 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14322 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14323 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14324 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14325 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14326 df_reorganize_refs, df_set_state, df_hard_reg_init,
14327 df_read_modify_subreg_p) New public functions.
14328 * df-core.c: The core dataflow solver and glue routines for rtl
14330 (df_init, df_add_problem, df_set_blocks, df_finish,
14331 df_hybrid_search_forward, df_hybrid_search_backward,
14332 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14333 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14334 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14335 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14336 df_reg_defined, df_find_use, df_reg_used, df_dump,
14337 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14338 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14339 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14340 debug_df_useno, reset_df_after_reload): New functions.
14341 * df-scan.c: The scanning fuctions, once in df.c, completely
14342 rewritten so that they now fully model the functionality of
14343 register usage at the backend.
14344 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14345 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14346 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14347 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14348 df_get_artificial_defs, df_get_artificial_uses,
14349 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14350 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14351 df_refs_delete, df_reorganize_refs, df_set_state,
14352 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14353 df_def_record_1, df_defs_record, df_uses_record,
14354 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14355 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14356 df_record_exit_block_uses, df_hard_reg_init): New functions.
14358 * df-problems.c: Seven concrete dataflow problems that use the
14359 scanning in df-scan.c and are solved by the engine in df-core.c.
14360 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14361 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14362 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14363 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14364 df_ru_free_bb_info, df_ru_alloc,
14365 df_ru_bb_local_compute_process_def,
14366 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14367 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14368 df_ru_transfer_function, df_ru_free, df_ru_dump,
14369 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14370 df_rd_free_bb_info, df_rd_alloc,
14371 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14372 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14373 df_rd_transfer_function, df_rd_free, df_rd_dump,
14374 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14375 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14376 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14377 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14378 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14379 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14380 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14381 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14382 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14383 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14384 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14385 df_urec_mark_reg_use_for_earlyclobber,
14386 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14387 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14388 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14389 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14390 df_chain_create_bb_process_use, df_chain_create_bb,
14391 df_chain_finalize, df_chain_free, df_chains_dump,
14392 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14393 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14394 df_reg_lifetime): New functions.
14395 * df.c: Deleted file.
14396 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14397 consistent with new df api.
14398 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14399 rest_of_handle_sms): Ditto.
14400 * web.c (unionfind_union, union_defs, entry_register, web_main):
14402 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14403 invariant_expr_equal_p, find_defs, check_dependencies,
14404 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14405 free_inv_motion_data, move_loop_invariants): Ditto.
14406 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14407 Update dependencies.
14408 (odf.c): Added defective entry that was deleted later in day.
14409 * sched-deps.c (sched_analyze_1): Ditto.
14411 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14413 * tree-ssa-operands.c (get_expr_operands): Record addressable
14414 variables directly. Do not call add_stmt_operands for CONST_DECLs
14416 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14417 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14419 2006-01-11 Ben Elliston <bje@au.ibm.com>
14421 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14422 function returns true in the positive case.
14424 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14427 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14428 for SI, DI, SF and DF modes. Add alternatives to copy between
14429 general and floating point registers to the 32-bit patterns.
14430 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14431 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14432 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14433 generating 64-bit code.
14434 * config/pa/pa.c (output_move_double): Handle copies between general
14435 and floating registers.
14437 2006-01-10 Stuart Hastings <stuart@apple.com>
14439 * config/i386/i386.md (set_got): Update.
14440 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14441 (builtin_setjmp_receiver): Mach-O support.
14442 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14443 (GOT_SYMBOL_NAME): Define.
14444 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14445 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14446 * config/i386/i386.c (override_options): Revise for Darwin.
14447 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14448 support. (darwin_x86_file_end): New. (output_set_got): Add label
14449 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14450 * config/i386/i386-protos.h (output_set_got): Likewise.
14451 * config/darwin.c (machopic_legitimize_pic_address): Update
14454 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14456 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14457 when MODE isn't BLKmode.
14459 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14461 PR rtl-optimization/25367
14462 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14464 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14467 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14468 for a negative bound.
14470 2006-01-10 Richard Guenther <rguenther@suse.de>
14472 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14473 Never override with anything constraint.
14475 2006-01-10 Jan Beulich <jbeulich@novell.com>
14477 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14478 256 bits when optimize_size.
14480 2006-01-10 Jan Beulich <jbeulich@novell.com>
14482 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14484 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14485 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14488 2006-01-10 Ben Elliston <bje@au.ibm.com>
14490 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14492 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14493 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14494 (USE_FP_FOR_ARG): Reject decimal float modes.
14495 (function_arg_advance): Likewise.
14496 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14497 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14498 point types in AltiVec vectors.
14499 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14500 (rs6000_libcall_value): Likewise.
14502 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14504 * config/xtensa/ieee754-df.S: New file.
14505 * config/xtensa/ieee754-sf.S: New file.
14506 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14507 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14508 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14510 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14512 * config/sh/predicates.md (binary_float_operator,
14513 binary_logical_operator, commutative_float_operator,
14514 equality_comparison_operator, greater_comparison_operator,
14515 less_comparison_operator, logical_operator,
14516 noncommutative_float_operator, shift_operator,
14517 symbol_ref_operand, unary_float_operator): Remove redundant
14520 2006-01-09 Jeff Law <law@redhat.com>
14522 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14523 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14524 now unused arguments. Callers updated.
14525 (eliminate_redundant_computations): Remove now unused arguments,
14527 (local_fold): Remove, no longer used.
14528 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14530 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14531 (simplify_cond): New function.
14532 (forward_propagate_into_cond): Call simplify_cond.
14534 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14536 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14537 (*vec_extractv2di_1_sse): New.
14539 2006-01-09 Ben Elliston <bje@au.ibm.com>
14541 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14543 2006-01-08 Richard Guenther <rguenther@suse.de>
14545 * tree-ssa-structalias.c (get_constraint_for): Remove
14546 anyoffset argument.
14547 (get_constraint_for_component_ref): Likewise.
14548 (do_deref): Likewise.
14549 (get_constraint_for): Likewise.
14550 (do_structure_copy): Likewise.
14551 (handle_ptr_arith): Likewise.
14552 (find_func_aliases): Likewise. Remove unused need_anyoffset
14555 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14556 Kaz Kojima <kkojima@gcc.gnu.org>
14558 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14559 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14560 (EXTRA_CONSTRAINT_C16): Remove.
14561 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14562 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14563 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14564 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14565 constants of SHmedia. Handle nested constant expressions of
14567 (andcosts): Fix the costs for SHmedia constants.
14568 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14569 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14570 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14571 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14572 (movv4hi_i, movv2si_i): Likewise.
14573 (movsi_const): Adjust the second operand of ior so to match with
14574 the Csu constraint.
14575 (movdi_const, movdi_const_32bit): Likewise.
14576 (movdi_const_16bit+1): Don't sign-extend LOW.
14577 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14579 (*double_shori): Fix the split condition. Use GEN_INT instead
14580 of get_int_mode calls. Mask lower 16-bit of the argument of
14582 (sym2GOTPLT): Remove.
14583 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14585 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14586 instead of EXTRA_CONSTRAINT_C16.
14588 2006-01-07 Ian Lance Taylor <ian@airs.com>
14589 David Edelsohn <edelsohn@gnu.org>
14591 PR rtl-optimization/25662
14592 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14593 for constant operands instead of simplify_gen_binary.
14594 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14595 after trying simplify_binary_operation
14597 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14599 * tree.c (iterative_hash_expr): Hash decls based on UID.
14601 2006-01-06 Eric Christopher <echristo@apple.com>
14603 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14604 (TARGET_UNWIND_EMIT): Fix spelling.
14605 * target.h (gcc_target): Add except_table_label.
14606 * except.c (output_function_exception_table): Use.
14607 * varasm.c (default_emit_except_table_label): New.
14608 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14610 (asm_out): Add here.
14611 * output.h (default_emit_except_table_label): Prototype.
14612 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14613 * config/darwin.c (darwin_emit_except_table_label): Define.
14614 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14616 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14618 PR tree-optimization/18527
14619 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14620 number_of_iterations_special, number_of_iterations_exit):
14621 Move base and step of an iv to a single structure. Add
14622 no_overflow flag, and use it in # of iterations analysis.
14623 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14624 folded_casts argument.
14625 (simple_iv): Pass base and step in a structure. Set no_overflow
14627 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14628 Evaluate expensiveness of computing # of iterations instead of
14629 the final expression.
14630 * tree-scalar-evolution.h (affine_iv): New structure.
14631 (simple_iv): Declaration changed.
14632 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14633 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14634 find_givs_in_stmt): Changed due to simple_iv change.
14636 2006-01-06 Jeff Law <law@redhat.com>
14639 * tree-cfg.c (bsi_replace): Rename final argument from
14640 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14641 change (stmt -> orig_stmt).
14642 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14643 (bsi_remove): Add new argument. Remove EH information
14645 (verify_eh_throw_table_statements): New function.
14646 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14648 * tree-optimize.c (execute_free_cfg_annotations): Verify
14649 the EH throw statement table after removing annotations.
14650 * except.h (verify_eh_throw_table_statements): Prototype.
14651 * tree-flow.h (bsi_remove): Update prototype.
14652 * tree-vrp.c (remove_range_assertions): Add new argument to
14654 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14655 * tree-complex.c (expand_complex_div_wide): Likewise.
14656 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14657 * tree-tailcall.c (eliminate_tailcall): Likewise.
14658 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14659 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14660 * tree-nrv.c (tree_nrv): Likewise.
14661 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14662 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14663 (combine_blocks): Likewise.
14664 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14665 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14666 (cleanup_control_flow): Likewise.
14667 (remove_forwarder_block): Likewise.
14668 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14669 * tree-sra.c (sra_replace): Likewise.
14670 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14671 (forward_propagate_single_use_vars): Likewise.
14672 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14673 * tree-inline.c (expand_call_inline): Likewise.
14674 * tree-vect-transform.c (vect_transform_loop): Likewise.
14675 * tree-outof-ssa.c (rewrite_trees): Likewise.
14676 * tree-cfg.c (make_goto_expr_edges): Likewise.
14677 (cleanup_dead_labels): Likewise.
14678 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14679 (bsi_move_before, bsi_move_after): Likewise.
14680 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14681 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14683 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14686 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14688 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14689 on non gimple variables. Also add checks at the top for decls and
14691 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14693 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14694 and IMAGPART_EXPR for creating MUST_DEFs.
14695 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14696 and NAME_MEMORY_TAG separately from the DECLs.
14698 2006-01-06 Richard Guenther <rguenther@suse.de>
14700 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14701 annotation, if necessary.
14702 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14703 redundant calls to update_stmt.
14704 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14707 2006-01-05 Richard Henderson <rth@redhat.com>
14709 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14711 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14713 * c-typeck.c: Update copyright date.
14715 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14717 * c-typeck.c (build_c_cast): Always warn when casting
14718 from a pointer to an integer of different size, even if
14719 the node was constant.
14721 2006-01-05 Richard Guenther <rguenther@suse.de>
14723 PR tree-optimization/22555
14724 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14725 if one structure field is an array.
14726 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14727 operands even if we found a subvar, but ignore VOPs in this
14729 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14731 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14733 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14735 PR middle-end/24998
14736 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14738 2006-01-05 Richard Guenther <rguenther@suse.de>
14739 Diego Novillo <dnovillo@redhat.com>
14741 * tree-pass.h (TODO_remove_unused_locals): Define.
14742 * gimple-low.c (expand_var_p, remove_useless_vars,
14743 pass_remove_useless_vars): Remove. Update all users.
14744 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14745 (remove_unused_locals): New function.
14746 * tree-flow.h (remove_unused_locals): Declare.
14747 * passes.c (execute_todo): Call remove_unused_locals if
14748 TODO_remove_unused_locals is set.
14749 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14750 * tree-ssa-dce.c (pass_dce): Likewise.
14751 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14753 2006-01-05 Richard Guenther <rguenther@suse.de>
14755 * tree-flow.h (struct fieldoff): Decompose field to
14756 type, size and decl.
14757 * tree-ssa-alias.c (create_sft): Take type as parameter.
14758 (create_overlap_variables_for): Store type, size and decl
14759 in the fieldoff structure.
14760 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14761 of struct fieldoff.
14762 (push_fields_onto_fieldstack): Likewise.
14763 (create_variable_info_for): Likewise. Use offset for the
14764 SFT name if the decl is not available.
14766 2006-01-04 Paul Brook <paul@codesourcery.com>
14768 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14770 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14772 * lambda-code.c (can_put_in_inner_loop): Relax
14774 (can_put_after_inner_loop): New function.
14775 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14776 (perfect_nestify): Change to make copies and modify uses.
14778 2006-01-04 Richard Henderson <rth@redhat.com>
14780 Merge from gomp branch:
14781 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14782 via integer constant.
14783 (pragma_lex): Remove.
14784 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14785 rather than parsing it.
14786 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14787 handle_pragma_extern_prefix): Add %< %> quotes.
14788 (registered_pragmas): New.
14789 (c_register_pragma_1): New.
14790 (c_register_pragma): Use it.
14791 (c_register_pragma_with_expansion): Likewise.
14792 (c_invoke_pragma_handler): New.
14793 (init_pragma): Use cpp_register_deferred_pragma directly for
14795 * c-pragma.h (enum pragma_kind): New.
14796 (pragma_handler): New.
14797 (c_invoke_pragma_handler): Declare.
14798 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14800 * c-common.h (c_common_pch_pragma): Update decl.
14801 * Makefile.in (c-parser.o): Update dependencies.
14802 (GTFILES): Add c-pragma.h.
14803 * c-parser.c (struct c_token): Add pragma_kind.
14804 (struct c_parser): Add in_pragma.
14805 (c_lex_one_token): Always initialize keyword and pragma_kind.
14806 Extract data for CPP_PRAGMA.
14807 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14808 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14809 Don't allow CPP_PRAGMA_EOL if in_pragma.
14810 (c_parser_consume_pragma): New.
14811 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14812 (c_parser_skip_to_end_of_parameter): Likewise.
14813 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14814 (c_parser_skip_to_pragma_eol): New.
14815 (c_parser_external_declaration): Handle CPP_PRAGMA.
14816 (c_parser_compound_statement_nostart): Likewise.
14817 (c_parser_statement_after_labels): Likewise.
14818 (c_parser_pragma): New.
14819 (pragma_lex): Likewise.
14820 (c_parser_pragma_pch_preprocess): New.
14821 (c_parser_new): Merge into ...
14822 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14824 2006-01-04 Jeff Law <law@redhat.com>
14827 * tree-cfg.c (bsi_replace): Remove the original statement
14828 from the EH throw statement table.
14830 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14832 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14833 make the prototype extern "C" and add throw ().
14836 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14837 and pos non-negative and pos + len <= 32.
14838 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14839 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14840 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14843 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14844 as well as sizes not multiple of component size.
14847 * function.c (instantiate_expr): New function.
14848 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14849 walk its DECL_VALUE_EXPR with instantiate_expr.
14851 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14852 DW_OP_deref{,_size} if address isn't going to be added.
14854 2006-01-04 Ben Elliston <bje@au.ibm.com>
14856 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14857 * config/fp-bit.c: Likewise.
14859 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14861 * dominance.c: Add comment about why we use DFS numbering
14864 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14865 Richard Henderson <rth@redhat.com>
14867 Merge from gomp-branch:
14868 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14869 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14871 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14873 PR rtl-optimization/25578
14874 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14875 pass a parameter to simplify_shift_const if changing ASHIFTRT
14878 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14880 * builtins.c (get_builtin_sync_mem): New function.
14881 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14882 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14883 Call get_builtin_sync_mem to generate mem rtx.
14885 2006-01-03 Richard Guenther <rguenther@suse.de>
14888 * stmt.c (add_case_node): Make sure to clear overflow flags
14891 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14893 Merge from gomp-branch.
14894 * config/sparc/sync.md: New file.
14895 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14896 UNSPECV_LDSTUB): New constants.
14897 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14898 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14899 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14902 2006-01-03 Roger Sayle <roger@eyesopen.com>
14904 * combine.c (reg_subword_p): New predicate to test whether the
14905 destination of a set refers to a subword/piece of a register.
14906 (try_combine): Generalize the code to merge the setting of a
14907 pseudo to a constant followed by a set of a subword of that
14908 register to a constant.
14910 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14912 * basic-block.h (control_flow_graph): Change the type of
14913 x_label_to_block_map to VEC(basic_block,gc) *.
14914 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14915 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14917 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14918 VEC(basic_block,heap) *.
14919 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14920 ssa_prop_fini): Adjust the uses of cfg_blocks.
14922 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14924 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14926 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14927 hashing trees instead of a pointer hash.
14928 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14929 compare for MEM_EXPR.
14931 PR rtl-optimization/25130
14932 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14933 when comparing MEMs for GCSE
14935 2006-01-03 Ben Elliston <bje@au.ibm.com>
14937 * targhooks.h (default_decimal_float_supported_p): Declare.
14938 * targhooks.c (default_decimal_float_supported_p): Define.
14939 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14940 `default_decimal_float_supported_p'.
14941 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14943 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14945 * combine.c (apply_distributive_law <SUBREG>): Check
14946 TRULY_NOOP_TRUNCATION.
14948 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14950 * dwarf2out.c (have_switched_text_section): Delete.
14951 (have_multiple_function_sections): New.
14952 (have_location_lists): Make 'bool'.
14953 (add_AT_loc_list): Use 'true' not '1'.
14954 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14955 (output_loc_list): Use have_multiple_function_sections.
14956 (output_ranges): Likewise.
14957 (dwarf2out_begin_function): Set have_multiple_function_sections if
14959 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14960 Check function_section rather than DECL_SECTION_NAME.
14961 (dwarf2out_finish): Use have_multiple_function_sections.
14962 Don't clear have_location_lists.
14964 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14965 Jan Hubicka <jh@suse.cz>
14967 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14968 case of conditional jump jumping to the next instruction.
14969 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14970 cases of conditional jump jumping to the next instruction.
14972 2006-01-02 Jan Hubicka <jh@suse.cz>
14974 * i386.c (*_cost): Add COSTS_N_INSNS.
14975 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14977 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14980 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14982 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14984 * config/arm/arm.c (all_fpus): Fix comment typo.
14985 * config/darwin.c: Likewise.
14986 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14987 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14988 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14990 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14992 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14993 (rs6000_split_compare_and_swapqhi): New.
14994 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14995 (sync_compare_and_swapqhi_internal): New.
14996 * config/rs6000/rs6000-protos.h: Declare.