1 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
9 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
12 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
14 * basic_block.h (bb_has_eh_pred): Fix comment.
16 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
18 * flow.c (calculate_global_regs_live): Invalidate eh registers
19 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
20 (propagate_block): Handle eh registers as if they were set at basic
22 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
24 * global.c (global_conflicts): Make eh registers to conflict with
25 pseudos live at basic block begin.
26 * basic_block.h (bb_has_eh_pred): New function.
28 2006-09-13 Richard Sandiford <richard@codesourcery.com>
30 PR rtl-optimization/28982
31 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
32 index of a PRE_MODIFY or POST_MODIFY address.
33 * reload1.c (inc_for_reload): Use find_replacement on the original
34 base and index registers.
36 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
38 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
39 for -Os. Update __m128 alignment requirement.
41 2006-09-13 Jan Hubicka <jh@suse.cz>
43 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
45 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
47 PR rtl-optimization/28243
48 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
49 the insn to which the note was originally attached.
51 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
52 Roger Sayle <roger@eyesopen.com>
54 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
55 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
56 on platforms that don't use dwarf for debug info.
58 2006-09-12 Jason Merrill <jason@redhat.com>
61 * builtins.c (expand_builtin_setjmp_receiver): Clobber
62 hard_frame_pointer_rtx after using it to update the frame pointer.
64 2006-09-12 Roger Sayle <roger@eyesopen.com>
66 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
67 (TARGET_ASM_CLOSE_PAREN): Likewise.
68 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
69 (TARGET_ASM_CLOSE_PAREN): Likewise.
71 2006-09-12 Roger Sayle <roger@eyesopen.com>
74 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
75 frame information for frames larger than 512 Kbytes on Tru64 when
76 using the native assembler.
78 2006-09-12 Roger Sayle <roger@eyesopen.com>
82 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
83 and symbols. Instead use the implementation from cse.c's hash_rtx.
85 2006-09-12 Jan Hubicka <jh@suse.cz>
87 PR rtl-optimization/28071
88 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
89 (vect_transform_loop): Likewise.
90 * tree-vectorizer.c (new_loop_vec_info): Likewise.
91 (new_loop_vec_info): Likewise.
92 (destroy_loop_vec_info): Likewise.
93 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
94 (create_stmt_ann): Likewise.
95 (create_tree_ann): Rename to ...
96 (create_tree_common_ann): ... this one; allocate only the common part
98 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
99 (get_value_handle): Likewise.
100 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
102 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
103 (vinfo_for_stmt): Use stmt annotations.
104 * tree-flow.h (tree_ann_common_t): New type.
105 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
106 (tree_ann, get_tree_ann, create_tree_ann): New.
107 * tree-flow-inline.h (get_function_ann): Do more type checking.
108 (stmt_ann): Likewise.
109 (tree_ann): Rename to ...
110 (tree_common_ann): ... this one; return ony common_ann
111 (get_tree_ann): Rename to ...
112 (tree_common_ann): This one; return only common_ann.
113 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
116 2006-09-11 Geoffrey Keating <geoffk@apple.com>
118 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
121 * dwarf2out.c (dwarf_file_data): New.
122 (enum dw_val_class): Add dw_val_class_file.
123 (struct dw_val_struct): Add val_file.
124 (file_table): Change to a hash table.
125 (file_table_emitted): Delete.
126 (file_table_last_lookup_index): Delete.
128 (last_emitted_file): New.
129 (lookup_filename): Change prototype to return a struct dwarf_file_data.
130 (init_file_table): Delete.
131 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
132 (AT_addr): Add comment.
136 (print_die): Handle dw_val_class_file.
137 (print_dwarf_line_table): Update for new file table structure.
138 (attr_checksum): Do checksum a filename.
139 (same_dw_val_p, same_attr_p): Do compare a filename.
140 (size_of_die): Handle dw_val_class_file.
141 (value_format): Likewise.
142 (output_die): Likewise. Also, call maybe_emit_file here.
143 (struct file_info): Constify filenames. Make file_idx a pointer
144 to a struct dwarf_file_data.
145 (struct dir_info): Constify directory names. Remove 'used' field.
146 (struct file_name_acquire_data): New.
147 (file_name_acquire): New.
148 (output_file_names): Modify to handle new file data structures.
149 (add_src_coords_attributes): Use add_AT_file.
150 (add_call_src_coords_attributes): Likewise.
151 (dwarf2out_imported_module_or_decl): Likewise.
152 (gen_subprogram_die): Modify for new file data structures.
153 (gen_variable_die): Likewise.
154 (file_table_eq): New.
155 (file_table_hash): New.
156 (file_table_last_lookup): New.
157 (lookup_filename): Rewrite to handle new file data structures.
158 (maybe_emit_file): Rewrite to handle new file data structures.
159 (dwarf2out_source_line): Always call lookup_filename and
161 (dwarf2out_init): Create file_table here.
162 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
163 (file_table_relative_p): New.
164 (dwarf2out_finish): Change detection of relative filenames
165 to work with new file data structures. Move output_line_info call
166 after debug_info output.
168 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
173 * config/i386/i386.c (override_options): Always default to 16
176 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
179 * var-tracking.c (dump_dataflow_set): Start dumping at
181 (clobber_variable_part): Kill only the variable part in
182 registers holding it, leaving other variables alone.
184 2006-09-11 Josh Triplett <josh@freedesktop.org>
186 * doc/extend.texi (Other Builtins): Actually use the macro
187 argument in the documentation example for
188 __builtin_types_compatible_p.
190 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
192 PR rtl-optimization/28726
193 * sched-deps.c (sched_analyze_reg): New function extracted from...
194 (sched_analyze_1): ...here. Call it to analyze references to
195 registers. Treat again writes to a stack register as writing to the
197 (sched_analyze_2): ...and here. Call it to analyze references to
198 registers. Treat again reads of a stack register as reading the
201 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
202 David Edelsohn <edelsohn@gnu.org>
205 * config/rs6000/spe.md (frob_df_di): Remove %H.
206 (frob_di_df): Remove %H. Change evmergelo to mr.
207 (frob_di_df_2): Remove %H. Change evldd to two loads.
209 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
211 * doc/cpp.texi: Fix names of charset options.
213 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
216 * config/i386/i386.c (override_options): Use 128-bit
217 stack boundary always for 64bits.
219 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
221 PR rtl-optimization/28636
222 * combine.c (force_to_mode): Test for side-effects before
223 substituting by zero.
224 (simplify_shift_const): Likewise for zero or other constants.
226 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
229 * builtins.c (expand_builtin_setjmp): Force next_lab to be
232 2006-09-10 Richard Sandiford <richard@codesourcery.com>
235 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
236 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
237 returned by mode_for_size, rather than the mode of src itself,
238 to choose between 32-bit and 64-bit patterns.
239 (mips_mem_fits_mode_p): New function.
240 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
241 that the size of the source matches the size of the destination.
242 (mov_<store>l, mov_<store>r): Likewise.
244 2006-09-10 Eric Christopher <echristo@apple.com>
246 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
249 2006-09-09 Eric Christopher <echristo@apple.com>
252 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
255 2006-09-09 Roger Sayle <roger@eyesopen.com>
256 Nicolas Setton <setton@adacore.com>
258 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
260 2006-09-10 Andreas Schwab <schwab@suse.de>
262 * config/m68k/m68k.md (bungt_rev): New pattern.
264 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
265 Dale Johannesen <dalej@apple.com>
268 * regclass.c (struct reg_pref): Update documentation.
269 (regclass): Set prefclass to NO_REGS if memory is the best option.
270 (record_reg_classes): Cope with a prefclass set to NO_REGS.
272 2006-09-08 Eric Christopher <echristo@apple.com>
274 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
275 * config/t-slibgcc-darwin: Support x86_64 multilib.
276 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
277 Return 1 for x86_64-darwin.
278 * config/i386/t-darwin: Add m64 multilib.
279 (LIB2_SIDITI_CONV_FUNCS): Use.
280 (LIB2FUNCS_EXTRA): Ditto.
281 * config/i386/darwin.h: Support x86_64.
282 * config/i386/i386.c (override_options): Turn on flag_pic
283 for x86_64-darwin. Disable flag_omit_pointer.
284 (get_pc_thunk_name): Assert !TARGET_64BIT.
285 (legitimate_address_p): Disable machopic addressing for
287 (legitimize_pic_address): Ditto.
288 (ix86_expand_move): Ditto.
289 (ix86_expand_call): Ditto.
290 (machopic_output_stub): Ditto.
291 * config/darwin.c (machopic_select_section): Support literal16.
292 (machopic_select_rtx_section): Ditto.
293 * config/darwin-sections.def: Ditto.
294 * config/darwin-64.c: New.
296 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
299 * c-tree.h (struct c_arg_info): Add pending_sizes.
300 * c-parser.c (c_parser_parms_declarator,
301 c_parser_parms_list_declarator): Initialize pending_sizes.
302 * c-decl.c (get_parm_info): Initialize pending_sizes.
303 (get_parm_info): Set pending_sizes.
304 (grokdeclarator): Call put_pending_sizes for parameters for
305 function definition only.
307 2006-09-07 Jason Merrill <jason@redhat.com>
310 * varasm.c (output_constant): Only strip actual no-op conversions.
313 * config/i386/i386.c (override_options): Use 128-bit
314 stack boundary if -msse.
316 2006-09-07 Eric Christopher <echristo@apple.com>
318 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
320 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
323 2006-09-07 Geoffrey Keating <geoffk@apple.com>
325 * dwarf2out.c: Remove strange characters from comment above
326 dwarf2out_frame_debug_expr.
328 2006-09-07 Eric Christopher <echristo@apple.com>
330 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
331 * config/darwin.h: ... to here.
333 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
335 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
337 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
338 (TARGET_PARTIAL_FLAG_REG_STALL): New.
340 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
341 TARGET_PARTIAL_FLAG_REG_STALL.
342 (*ashldi3_cconly_rex64): Likewise.
343 (*ashlsi3_cmp): Likewise.
344 (*ashlsi3_cconly): Likewise.
345 (*ashlsi3_cmp_zext): Likewise.
346 (*ashlhi3_cmp): Likewise.
347 (*ashlhi3_cconly): Likewise.
348 (*ashlqi3_cmp): Likewise.
349 (*ashlqi3_cconly): Likewise.
350 (*ashrdi3_cmp_rex64): Likewise.
351 (*ashrdi3_cconly_rex64): Likewise.
352 (*ashrsi3_cmp): Likewise.
353 (*ashrsi3_cconly): Likewise.
354 (*ashrsi3_cmp_zext): Likewise.
355 (*ashrhi3_cmp): Likewise.
356 (*ashrhi3_cconly): Likewise.
357 (*ashrqi3_cmp): Likewise.
358 (*ashrqi3_cconly): Likewise.
359 (*lshrdi3_cmp_rex64): Likewise.
360 (*lshrdi3_cconly_rex64): Likewise.
361 (*lshrsi3_cmp): Likewise.
362 (*lshrsi3_cconly): Likewise.
363 (*lshrsi3_cmp_zext): Likewise.
364 (*lshrhi3_cmp): Likewise.
365 (*lshrhi3_cconly): Likewise.
366 (*lshrqi2_cmp): Likewise.
367 (*lshrqi2_cconly): Likewise.
369 2006-09-07 Uros Bizjak <uros@kss-loka.si>
372 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
373 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
374 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
375 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
376 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
377 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
378 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
379 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
380 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
381 implement only CC setting effects of shift instructions.
383 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
385 * doc/contrib.texi: Add myself.
387 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
390 * stor-layout.c (relayout_decl): Don't zero the alignment if it
393 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
396 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
397 (divsi_inv_m1): Use them.
398 (UNSPEC_DIV_INV_TABLE): New constant.
400 2006-09-06 James E Wilson <wilson@specifix.com>
403 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
404 then call count_or_remove_death_notes.
406 2006-09-06 Jason Merrill <jason@redhat.com>
409 * tree-inline.c (copy_result_decl_to_var): New fn.
410 (declare_return_variable): Use it. Call declare_inline_vars here.
411 (expand_call_inline): Not here.
413 2006-09-06 Diego Novillo <dnovillo@redhat.com>
415 * doc/contrib.texi: Update my entry.
417 2006-09-06 Nick Clifton <nickc@redhat.com>
419 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
421 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
424 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
425 (canonicalize_induction_variables): Likewise.
426 (tree_unroll_loops_completely): Likewise.
427 (tree_ssa_prefetch_arrays): Likewise.
428 (remove_empty_loops): Likewise.
429 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
430 TODO_cleanup_cfg instead of directly calling
431 cleanup_tree_cfg_loop.
432 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
434 (tree_unroll_loops_completely): Likewise.
435 (remove_empty_loops): Likewise.
436 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
437 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
438 of tree_ssa_unswitch_loops.
439 (tree_ssa_loop_ivcanon): Use the return value of
440 canonicalize_induction_variables.
441 (tree_ssa_empty_loop): Use the return value of
443 (tree_complete_unroll): Use the return value of
444 tree_unroll_loops_completely.
445 (tree_ssa_loop_prefetch): Use the return value of
446 tree_ssa_prefetch_arrays.
447 * passes.c (execute_todo): Before Cleanup CFG, set
448 updating_used_alone and after cleanup CFG, call
449 recalculate_used_alone.
451 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
454 * tree-vect-transform.c (vectorizable_condition): Move the check
455 for the type after the check for simple condition.
457 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
458 Kaz Kojima <kkojima@gcc.gnu.org>
461 * mode-switching.c (optimize_mode_switching): Make the destination
462 block of an abnormal edge have no anticipatable mode. Don't
463 insert mode switching code at the end of the source block of
466 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
468 PR rtl-optimization/26847
469 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
470 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
471 (simplify_plus_minus): Count n_constants while filling ops. Replace
472 qsort with insertion sort. Before going through the array to simplify
473 pairs, sort it. Delay early exit until after the first sort, exiting
474 only if no swaps occurred. Simplify pairs in reversed order, without
475 special-casing the first iteration. Pack ops after simplifying pairs.
477 2006-09-05 Anatoly Sokolov <aesok@post.ru>
479 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
480 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
481 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
482 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
484 2006-09-05 Richard Guenther <rguenther@suse.de>
486 PR tree-optimization/28900
487 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
488 compound conditional before creating COND_EXPR condition.
490 2006-09-05 Richard Guenther <rguenther@suse.de>
492 PR tree-optimization/28905
493 * tree-vrp.c (fix_equivalence_set): Manually implement
494 !value_ranges_intersect_p to also handle symbolic ranges.
496 2006-09-05 Richard Guenther <rguenther@suse.de>
499 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
502 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
504 PR rtl-optimization/27616
505 * cse.c (table_size): New static variable.
506 (new_basic_block): Initialize it to 0.
507 (remove_from_table): Decrement it.
508 (insert): Increment it.
509 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
510 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
511 fold_rtx_mem_1 if under the cap.
512 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
513 the lookup of the equivalent expression and test for equality of the
514 first operand of the equivalent expression before in turn looking up
515 an equivalent constant for the second operand.
517 2006-09-02 Geoffrey Keating <geoffk@apple.com>
520 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
521 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
522 pointer, instead of assuming it is possible to derive the
523 correct args size from a call insn.
525 2006-09-02 Jakub Jelinek <jakub@redhat.com>
528 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
529 (fold_builtin_mempcpy): Rename to...
530 (fold_builtin_memory_op): ... this. Optimize one element copy
532 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
534 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
535 (expand_builtin_memcpy, expand_builtin_mempcpy,
536 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
537 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
538 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
539 BUILT_IN_MEM{CPY,PCPY,MOVE}.
541 2006-09-01 DJ Delorie <dj@redhat.com>
543 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
545 ("stzx_24_<mode>"): Likewise.
546 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
547 ("cmp<mode>_op"): New.
548 (cmp<mode>): Change to expander; just save operands.
550 (b<code>): Change to expander, emit compare here.
551 (s<code>_op): Change to use split and expander.
552 (s<code>_24_op): Likewise.
553 (s<code>_<mode>): New.
554 (s<code>_<mode>_24): New.
555 (movqicc_<code>_<mode): New.
556 (movhicc_<code>_<mode>): New.
559 * config/m32c/m32c.c (compare_op0, compare_op1): New.
560 (m32c_pend_compare): New.
561 (m32c_unpend_compare): New.
562 (m32c_expand_scc): New.
563 (m32c_expand_movcc): Emit the compare also.
564 * config/m32c/predicates.md (mra_nopp_operand): New.
566 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
567 Richard Guenther <rguenther@suse.de>
568 Adam Nemet <anemet@caviumnetworks.com>
571 * builtins.c (get_pointer_alignment): Handle more forms
572 of base addresses that can be used to derive more precise
573 information about alignment.
575 2006-09-01 Jason Merrill <jason@redhat.com>
578 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
581 * gimplify.c (voidify_wrapper_expr): Handle null type.
583 2006-09-01 Josh Conner <jconner@apple.com>
586 * tree-nrv.c (dest_safe_for_nrv_p): New function.
587 (execute_return_slot_opt): Use it.
589 2006-08-31 Josh Conner <jconner@apple.com>
592 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
593 returning aggregates.
595 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
597 PR tree-optimization/28839
598 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
599 blocks in that phi arguments appear.
601 2006-08-31 Roger Sayle <roger@eyesopen.com>
604 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
605 NULL, otherwise use an advance_loc4 to adjust relative to the
607 (output_cfi) <DW_CFA_set_loc>: Update the current label.
608 (dwarf2out_switch_text_section): Reset the current label to avoid
609 using advance_loc4 over section boundaries.
611 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
614 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
615 r12 + SYMBOLIC_CONST.
617 2006-08-30 Richard Guenther <rguenther@suse.de>
619 * Makefile.in (see.o): Add $(EXPR_H) dependency.
621 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
623 PR rtl-optimization/27735
624 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
625 Add new argument to keep track of whether an irreducible region
626 was affected. All callers changed.
627 (fix_irreducible_loops): Removed.
628 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
629 flags were invalidated.
631 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
633 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
634 instead of SF operands.
635 (*fop_df_comm_sse): Likewise.
636 (*fop_df_comm_i387): Likewise.
637 (*fop_df_1_mixed): Likewise.
638 (*fop_df_1_sse): Likewise.
640 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
641 J"orn Rennecke <joern.rennecke@st.com>
643 PR tree-optimization/17506
644 * tree-ssa.c (warn_uninit): If warning about a location outside of
645 the current function, note where the variable was declared.
647 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
649 PR tree-optimization/28411
650 * double-int.c (double_int_div): Use double_int_divmod.
651 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
652 double_int_mod, double_int_smod, double_int_umod): New functions.
653 * double-int.h (double_int_divmod, double_int_sdivmod,
654 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
656 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
658 (get_computation_aff, get_computation_cost_at): Handle double_int
659 return type of constant_multiple_of.
661 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
664 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
665 an implicit conversion.
667 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
669 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
671 2006-08-27 Roger Sayle <roger@eyesopen.com>
673 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
676 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
678 * config/i386/crtfastmath.c: Fix a comment typo.
680 2006-08-26 Roger Sayle <roger@eyesopen.com>
682 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
683 temporary visit flags on CASE_LABEL_EXPRs.
684 * c-common.c (match_case_to_enum): Add function comment. Avoid
685 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
686 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
687 CASE_HIGH_SEEN for enumerated types. If the switch expression is
688 a constant, only warn if that constant value isn't handled.
690 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
693 * input.h (restore_input_file_stack): Declare.
694 (INPUT_FILE_STACK_BITS): Define.
695 * toplev.c (fs_p, input_file_stack_history,
696 input_file_stack_restored, restore_input_file_stack): New.
697 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
698 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
699 (pop_srcloc): Don't free old state of stack.
701 2006-08-26 David Edelsohn <edelsohn@gnu.org>
704 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
705 (PowerPC Type Attributes): New.
707 2006-08-26 Bob Wilson <bob.wilson@acm.org>
709 * config/xtensa/xtensa.c (function_arg_boundary): New.
710 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
712 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
713 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
715 2006-08-26 Jakub Jelinek <jakub@redhat.com>
718 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
721 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
723 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
724 (verify_local_live_at_start): Likewise.
726 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
729 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
730 omp_add_variable): Treat sizes as variable whenever not
733 2006-08-26 Richard Guenther <rguenther@suse.de>
736 * fold-const.c (fold_binary): Fold temporary to correct
737 type before constructing new comparison.
739 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
742 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
743 variable again if DECL_SEEN_IN_BIND_EXPR_P.
745 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
748 * c-decl.c (start_function): Don't try to process prototype
749 information from old declaration that isn't a function.
751 2006-08-25 Jan Hubicka <jh@suse.cz>
754 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
756 2006-08-25 Alan Modra <amodra@bigpond.net.au>
759 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
762 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
764 PR tree-optimization/16876
765 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
766 exit if PARM doesn't match VALUE.
768 2006-08-25 Bob Wilson <bob.wilson@acm.org>
770 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
771 literal_prefix directive.
772 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
773 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
774 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
776 2006-08-25 David Edelsohn <edelsohn@gnu.org>
779 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
780 predicate to general_operand. Add 0->y and I->r alternatives.
782 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
784 * doc/tm.texi: Fix a typo.
785 * predict.c: Fix comment typos.
787 2006-08-25 Nick Clifton <nickc@redhat.com>
789 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
790 assertions of "cpu" and "machine".
792 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
795 * tree-ssa-operands.c (access_can_touch_variable): Don't say
796 the access through a base which has an alias set of 0 cannot
799 2006-08-24 Bill Wendling <wendling@apple.com>
801 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
803 2006-08-24 Jan Hubicka <jh@suse.cz>
805 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
807 2006-08-24 Jan Hubicka <jh@suse.cz>
810 * cgraph.c: Fix comments.
811 (cgraph_varpool_mark_needed_node): Mark only variables not already
813 * cgraphunit.c: Update comments; include gt-cgraphunit.h
814 (cgraph_varpool_assembled_nodes_queue): New static variable.
815 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
816 (cgraph_varpool_output_debug_info): New function.
817 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
818 * Makefile.in: Add gt-cgraphunit.h
820 2006-08-24 Jan Hubicka <jh@suse.cz>
822 * predict.c (probability_reliable_p): New predicate.
823 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
824 (predict_loops): Do not predict loop exit with less than 2%
826 * basic-block.h (edge_probability_reliable_p,
827 br_prob_note_reliable_p): Declare.
828 * ia64.h (ia64_print_operand): Do not disable on-chip branch
829 prediction when static predictor is not reliable.
830 * rs6000.c (output_cbranch): Likewise.
832 2006-08-23 Stuart Hastings <stuart@apple.com>
835 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
836 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
838 2006-08-21 Geoffrey Keating <geoffk@apple.com>
841 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
842 complex values, nor for generic vector values.
844 2006-08-22 Richard Guenther <rguenther@suse.de>
847 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
848 parameter. Convert arguments to arithmetic expression to the
850 (analyze_scalar_evolution_1): Adjust caller.
852 2006-08-22 Jan Hubicka <jh@suse.cz>
854 Patch by Paolo Bonzini
855 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
858 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
860 PR tree-optimization/28003
861 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
862 before grouping aliases.
864 2006-08-22 Roger Sayle <roger@eyesopen.com>
866 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
867 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
869 2006-08-21 Jason Merrill <jason@redhat.com>
872 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
873 wrapper. Loop to handle nested wrappers.
874 (gimplify_bind_expr): Remove temp parameter.
875 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
876 and STATEMENT_LIST on the rhs.
877 (gimplify_statement_list): Voidify the STATEMENT_LIST.
878 (gimplify_expr): Pass pre_p to gimplify_statement_list.
879 (gimplify_target_expr): Remove special BIND_EXPR handling.
881 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
883 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
886 2006-08-21 Olivier Hainque <hainque@adacore.com>
888 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
889 Arrange for the temporary captures of components overlapping the lhs
890 to happen before the lhs is possibly cleared.
892 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
894 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
895 necessary places to pass the correct "number of registers" values
898 2006-08-20 Jan Hubicka <jh@suse.cz>
900 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
901 (create_name_tags): Instead of quadratic checking use hashtable.
902 * bitmap.h: Include hashtab.h.
903 (bitmap_hash): Declare.
904 * bitmap.c (bitmap_hash): New function.
906 2006-08-20 Jan Hubicka <jh@suse.cz>
908 PR rtl-optimization/28071
909 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
911 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
912 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
913 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
914 cgraph_decide_inlining_incrementally): Update use of
915 cgraph_check_inline_limits.
916 * cgraph.c (edge_hash, edge_eq): New function.
917 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
918 cgraph_edge_remove_caller, cgraph_node_remove_callees,
919 cgraph_remove_node): Maintain call site hash.
920 * cgraph.h (struct cgraph_node): Add call_site_hash.
921 (cgraph_set_call_stmt): New function.
923 2006-08-20 Jan Hubicka <jh@suse.cz>
925 PR rtl-optimization/28071
926 * reload1.c (reg_has_output_reload): Turn into regset.
927 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
928 choose_reload_regs, emit_reload_insns): Update to new
929 reg_has_output_reload.
931 2006-08-20 Jan Hubicka <jh@suse.cz>
934 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
936 * cgraphunit.c (cgraph_analyze_function): Don't do so.
938 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
941 * tree.c (handle_dll_attribute): Return early if not a
942 var or function decl.
944 2006-08-18 Joseph Myers <joseph@codesourcery.com>
947 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
948 alignment of SPE vector types.
950 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
952 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
954 2006-08-17 Jakub Jelinek <jakub@redhat.com>
957 * cgraph.h (struct cgraph_node): Remove externally_visible
959 * cgraphunit.c (process_function_and_variable_attributes): Set
960 local.externally_visible rather than externally_visible.
963 * c-common.c (handle_externally_visible_attribute): First look
964 at TREE_CODE and only if it is function or var decl, check for
965 non-public objects. Don't warn for DECL_EXTERNAL.
966 * cgraphunit.c (process_function_and_variable_attributes): Warn
967 if externally_visible attribute is used on non-public object.
969 2006-08-17 Jan Hubicka <jh@suse.cz>
971 PR tree-optimization/27865
972 * reload1.c (forget_marked_reloads): New function.
973 (forget_old_reloads_1): When data are passed, just mark the registers
975 (reload_as_needed): Use the new mechanizm.
977 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
980 * reload.h (reg_equiv_alt_mem_list): New declaration.
981 * reload1.c (reg_equiv_alt_mem_list): New definition.
982 (reload): Initialize it and release it.
983 (delete_output_reload): Use it.
984 * reload.c (push_reg_equiv_alt_mem): New function.
985 (find_reloads_toplev): Call it.
986 (find_reloads_address, find_reloads_address_1): Likewise.
987 (find_reloads_subreg_address): Likewise.
989 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
991 PR rtl-optimization/28489
992 * sched-ebb.c (begin_schedule_ready): Create basic block
994 (advance_target_bb): Skip empty blocks.
995 * haifa-sched.c (bb_note): Make global.
996 * sched-int.h (bb_note): Add prototype.
998 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1000 PR tree-optimization/27865
1001 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1003 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1004 fold_used_pointer, pointer_used_p): New functions.
1005 (analyze_scalar_evolution_1): Use fold_used_pointer.
1006 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1007 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1010 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1013 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1014 or the INTEGER_CST. Fail on a CALL_EXPR.
1015 (fold_offsetof): Pass new argument to fold_offsetof_1.
1016 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1017 operand into an INDIRECT_REF.
1018 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1020 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1022 PR gcov/profile/26570
1023 * value-prof.c (static_values): Removed.
1024 (tree_find_values_to_profile): Do not set static_values.
1025 (find_values_to_profile): Do not free static_values.
1026 * profile.c (instrument_values): Do not free the values.
1027 (branch_prob): Free the values.
1029 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1031 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1033 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1036 * c-typeck.c (build_component_ref): Combine qualifiers of
1037 structure or union and field.
1039 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1041 PR rtl-optimization/28071
1042 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1043 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1044 * tree-into-ssa.c (struct dom_dfsnum): New.
1045 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1047 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1048 compute_global_livein.
1049 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1050 in phi nodes in the correct blocks.
1052 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1054 PR tree-optimization/28364
1055 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1057 (fold_affine_expr): New function.
1058 (may_eliminate_iv): Use fold_affine_expr.
1060 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1063 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1066 2006-08-16 Mike Stump <mrs@apple.com>
1068 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1069 * doc/cppopts.texi (-MD): Likewise.
1071 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1074 * c-common.c (handle_weak_attribute): Ignore and warn if
1075 not a FUNCTION_ or VAR_DECL.
1077 2006-07-15 Mike Stump <mrs@apple.com>
1080 * c-parser.c (c_parser_typeof_specifier): Don't use
1081 c_finish_expr_stmt, open code desired semantics instead.
1083 2006-08-15 Nick Clifton <nickc@redhat.com>
1085 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1086 fragment to tmake_file only if threads are enabled.
1087 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1088 * config/i386/t-gthr-win32: New file. ... here.
1090 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1093 * c-parser.c (c_parser_compound_statement_nostart): Reset
1094 parser->error after each statement.
1096 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1099 * omp-low.c (lower_omp_parallel): Convert t to
1100 receiver_decl's type.
1101 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1102 source before comparison.
1105 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1106 to itype in assignment to oldival2.
1108 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1112 * c-typeck.c (build_compound_expr): If the second expression
1113 is an error mark, then just return an error mark instead of
1114 creating a COMPOUND_EXPR.
1116 2006-07-14 Mike Stump <mrs@apple.com>
1118 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1120 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1122 * c-decl.c, var-tracking.c: Fix comment typos.
1124 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1126 PR rtl-optimization/28634
1127 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1128 for floating-point modes unless flag_unsafe_math_optimizations.
1130 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1131 Andrew Pinski <pinskia@physics.uc.edu>
1134 * tree.c (build_array_type): Unify array types with
1135 unspecified index_type.
1136 * c-decl.c (grokdeclarator): Make sure we do not modify a
1137 unified incomplete array type.
1138 * c-typeck.c (store_init_value): Create distinct type before
1139 filling in the index type in an initializer from a compound
1142 * c-decl.c (grokdeclarator): Remove code where we copy the
1145 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1147 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1148 into account for TODO_dump_cgraph.
1149 (TODO_update_ssa_no_phi): Likewise.
1150 (TODO_update_ssa_full_phi): Likewise.
1151 (TODO_update_ssa_only_virtuals): Likewise.
1152 (TODO_remove_unused_locals): Likewise.
1153 (TODO_set_props): Likewise.
1154 (TODO_update_stmt_usage): Likewise.
1156 2006-08-13 Dirk Mueller <dmueller@suse.de>
1158 * c-common.c (strict_aliasing_warning): Fix formatting.
1160 2006-08-13 Matthias Klose <doko@debian.org>
1162 * doc/invoke.texi: Fix spelling errors.
1164 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1166 PR rtl-optimization/23454
1167 * reorg.c (relax_delay_slots): Update comment.
1169 2006-08-11 Richard Guenther <rguenther@suse.de>
1172 * simplify-rtx.c (simplify_const_relational_operation):
1173 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1176 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1178 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1179 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1181 2006-08-10 Paul Brook <paul@codesourcery.com>
1183 * final.c (final_scan_insn): Clear current_insn_predicate before
1184 outputting inline asm.
1186 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1188 PR tree-optimization/26197
1189 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1190 get_ref_base_and_extent and overlap_subvar to add only relevant
1191 subvars as may-aliases.
1192 (add_may_alias_for_new_tag): New function, factored out of
1194 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1195 with additional argument.
1196 * tree-flow.h (new_type_alias): Takes additional argument.
1198 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1200 * gcov.c (no_data_file): New flag.
1201 (read_count_file): Set it if data file not present. Assume counts
1203 (output_lines): Don't name the data file, if there wasn't one.
1205 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1207 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1208 (rs6000_generate_compare): Tweak comments.
1209 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1211 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1213 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1214 (var_debug_decl): New function.
1215 (var_reg_set): Follow debug decl link. Add location even if
1216 reg is already known to hold some other variable.
1217 (var_mem_set): Follow debug decl link.
1218 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1219 decl link. Delete other known locations of the variable part
1221 (var_reg_delete, var_mem_delete): Delete other known locations
1222 of the variable part if requested.
1223 (same_variable_part_p): New function.
1224 (add_stores): Select MO_COPY when appropriate.
1225 (vt_initialize): Handle it.
1226 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1227 known locations for MO_SET and MO_CLOBBER.
1228 (find_variable_location_part): New function.
1229 (set_variable_part, delete_variable_part): Use it.
1230 (clobber_variable_part): New function.
1231 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1234 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1236 PR tree-optimization/26969
1237 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1238 with an empty list of PHIs.
1240 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1244 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1247 2006-08-06 Andreas Schwab <schwab@suse.de>
1249 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1250 string. Whitespace and comment fixup.
1252 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1255 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1259 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1262 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1264 2006-08-04 Jan Hubicka <jh@suse.cz>
1268 * reload.c (push_reload): Patch out the mismatching instruction;
1270 (find_reload): Bail out if the instruction was patched out.
1272 2006-08-04 Jan Hubicka <jh@suse.cz>
1274 PR tree-optimization/24888
1275 * tree-inline.c (expand_call_inline): Do not re-record variables.
1276 (declare_inline_vars): Add variable to unexpanded_var_list.
1278 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1279 Roger Sayle <roger@eyesopen.com>
1281 PR rtl-optimization/26244
1282 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1283 inner_const are negative or greater than or equal to the bitsize of
1284 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1285 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1286 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1287 CONST0_RTX (mode) when the new shift count is greater than or equal to
1288 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1291 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1293 * tree-cfg.c: Fix a comment typo.
1295 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1298 * varasm.c (output_constant): Give the front end another chance to
1299 expand constants, after stripping NOPs.
1301 2006-08-03 Jan Hubicka <jh@suse.cz>
1303 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1306 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1308 PR tree-optimization/27770
1309 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1310 declaration removed (moved to tree-flow.h).
1311 (vect_can_force_dr_alignment_p): Likewise.
1312 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1313 (moved from tree-vectorizer.h).
1314 (vect_can_force_dr_alignment_p): Likewise.
1315 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1316 from outside the vectorizer - in particular from cgraph stage.
1317 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1318 the alignment of global arrays when -fsection-anchors is enabled.
1319 * cgraphunit.c (cgraph_increase_alignment): New function.
1320 (cgraph_optimize): Call cgraph_increase_alignment.
1322 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1325 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1326 not reload a SPE symbol_ref into a lo_sum address.
1328 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1331 * dwarf2out.c (prune_unused_types_prune): Move call to
1332 prune_unused_types_update_strings to cover the parent DIE also.
1334 2006-08-02 Jan Hubicka <jh@suse.cz>
1336 PR gcov/profile/28480
1337 * tree-cfg.c (change_bb_for_stmt): New function.
1338 (tree_merge_blocks, tree_split_blocks): Use it.
1340 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1346 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1347 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1348 (cgraph_optimize): Likewise.
1350 2006-08-01 Stuart Hastings <stuart@apple.com>
1352 * rtl.h (UINTVAL) New.
1353 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1354 * testsuite/gcc.dg/20060801-1.c: New.
1356 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1359 * c-typeck.c (build_external_type): Mark used enum types.
1360 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1362 (gen_subprogram_die): Whitespace fix.
1364 2006-08-01 Jan Hubicka <jh@suse.cz>
1366 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1367 bitmap when not needed.
1368 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1371 2006-08-01 Dirk Mueller <dmueller@suse.de>
1373 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1375 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1377 * Makefile.in: Revert part of previous patch:
1378 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1381 2006-07-30 Eric Christopher <echristo@apple.com>
1384 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1385 (PowerPC Variable Attributes): New section.
1387 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1389 PR target/28126 (partial fix)
1390 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1392 2006-07-28 Jan Hubicka <jh@suse.cz>
1394 PR rtl-optimization/28071
1395 * cfgrtl.c (rtl_delete_block): Free regsets.
1396 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1398 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1400 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1401 and variables used in dependencies.
1403 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1405 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1406 %fs for -mcmodel=kernel.
1407 (stack_tls_protect_test_di): Likewise.
1409 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1411 * Makefile.in: Use mkinstalldirs.
1413 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1416 * opts-common.c (prune_options): Skip joined switches.
1418 2006-07-27 Jan Hubicka <jh@suse.cz>
1420 PR rtl-optimization/28071
1421 * cselib.c (cselib_process_insn): Don't remove useless values too
1422 often for very large hashtables.
1424 2006-07-27 Jan Hubicka <jh@suse.cz>
1426 PR rtl-optimization/28071
1427 * global.c (greg_obstack): New obstack.
1428 (allocate_bb_info): Use it.
1429 (free_bb_info): Likewise.
1430 (modify_reg_pav): Likewise.
1432 2006-07-27 Roger Sayle <roger@eyesopen.com>
1434 * builtins.c (fold_fixed_mathfn): When long and long long are the
1435 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1436 functions to their lceil*, lfloor*, lround* and lrint* forms.
1438 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1441 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1443 (rev_branch_insn): Likewise.
1445 2006-07-27 Jan Hubicka <jh@suse.cz>
1447 PR rtl-optimization/28071
1448 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1449 (reg_set_in_bb, max_reg_computed): New static variables.
1450 (regmove_optimize): Free the new array.
1451 (fixup_match_1): Update call of reg_is_remote_constant_p.
1453 2006-07-26 Jan Hubicka <jh@suse.cz>
1455 PR tree-optimization/27882
1456 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1458 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1460 (cgraph_analyze_compilation_unit): Likewise.
1461 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1462 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1463 (cgraph_early_inlinine): Make order garbage collected.
1464 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1466 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1468 * dbxout.c (output_types_sort): Add a comment.
1469 (output_used_types): Free the VEC.
1471 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1473 * function.c (reorder_fix_fragments): Delete.
1474 (reorder_blocks): Don't call it.
1475 (reorder_blocks_1): Put all subblocks under the origin block.
1477 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1479 PR rtl-optimization/27907
1480 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1483 2006-07-25 Roger Sayle <roger@eyesopen.com>
1486 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1487 bar(x) check that bar's result type can represent all the values of T.
1489 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1491 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1493 2006-07-25 Nick Clifton <nickc@redhat.com>
1495 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1496 size_lookup[] array.
1497 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1498 (ggc_pch_count_object): Likewise.
1499 (ggc_pch_alloc_object): Likewise.
1500 (ggc_pch_write_object): Likewise.
1501 (init_ggc): Do not attempt to initialize entries in the
1502 size_lookup[] array for objects whose size is greater than than
1503 the length of the array.
1505 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1507 * dbxout.c (output_used_types_helper): Push queued types
1509 (output_types_sort): New.
1510 (output_used_types): Collect used types on a VEC and sort them
1513 2006-07-24 Richard Guenther <rguenther@suse.de>
1516 * cgraph.c (cgraph_remove_node): Do not check if dumps
1518 * cgraphunit.c (cgraph_optimize): Likewise.
1520 2006-07-24 Jan Hubicka <jh@suse.cz>
1522 PR rtl-optimization/28071
1523 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1524 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1525 splitting before first stmt.
1527 2006-07-24 Jan Hubicka <jh@suse.cz>
1529 PR rtl-optimization/28071
1530 * ipa-inline.c (update_caller_keys): Remove edges that
1531 are no longer inline candidates.
1533 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1536 * dbxout.c (output_used_types_helper, output_used_types): New.
1537 (dbxout_symbol): Call output_used_types.
1539 2006-07-23 Jan Hubicka <jh@suse.cz>
1543 * cgraph.c (cgraph_varpool_nodes): Export.
1544 (decide_is_variable_needed): Ignored "used" attribute in
1545 unit-at-a-time mode.
1546 * cgraph.h (cgraph_varpool_nodes): Declare.
1547 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1548 unit-at-a-time mode.
1550 2006-07-23 Roger Sayle <roger@eyesopen.com>
1553 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1554 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1555 the __gthrw form of thr_keycreate.
1556 (__gthread_key_delete): Silence the unused argument warning.
1558 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1561 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1562 Cache the last found '\0' marker to avoid quadratic behavior.
1564 2006-07-23 Jan Hubicka <jh@suse.cz>
1566 * i386.md (subsi_3_zext): Fix output template.
1568 2006-07-21 Mike Stump <mrs@apple.com>
1570 * doc/invoke.texi (C++ Dialect Options): Note that
1571 -fvisibility-inlines-hidden doesn't affect explicitly
1572 instantiationed inline methods.
1574 2006-07-20 Roger Sayle <roger@eyesopen.com>
1576 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1577 if the target assembler is GNU binutils' gas.
1578 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1579 whether to pass GNU gas or native as command line options.
1581 2006-07-20 Jason Merrill <jason@redhat.com>
1583 * tree.c (remove_attribute): New fn.
1584 * tree.h: Declare it.
1586 2006-07-20 Paul Brook <paul@codesourcery.com>
1589 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1590 they are invalidated by this instruction.
1592 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1595 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1597 2006-07-20 Eric Christopher <echristo@apple.com>
1600 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1602 2006-07-19 Eric Christopher <echristo@apple.com>
1604 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1605 Rewrite dependencies for libgcc_s.1.dylib.
1607 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1609 * except.c (duplicate_eh_regions_1): Clear next_peer.
1611 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1613 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1614 -mlongcall does not guarantee all calls will be long.
1615 * doc/extend.texi (long_call/short_call): Document that longcall
1616 does not guarantee a long call will be used.
1617 (longcall/shortcall): Likewise.
1619 2006-07-18 Roger Sayle <roger@eyesopen.com>
1622 * expmed.c (expand_shift): Additionally check that the shift_cost
1623 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1624 before implementing a LSHIFT_EXPR as a sequence of additions.
1625 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1626 middle-end that DImode shifts need to be synthesized by expand.
1628 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1631 * tree-ssa-operands.c (access_can_touch_variable): Update
1633 Return true if ALIAS is .GLOBAL_VAR.
1635 2006-07-18 David Daney <ddaney@avtrex.com>
1637 * gcc.c (display_help): Fix typo in help text.
1639 2006-07-18 Olivier Hainque <hainque@adacore.com>
1641 * tree.h (categorize_ctor_elements): Adjust prototype and add
1642 descriptive comment, both in accordance with the interface change
1644 * varasm.c (constructor_static_from_elts_p): New function.
1645 Whether a constructor node is a valid static constant initializer
1646 if all its elements are.
1647 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1648 * output.h: Declare it.
1649 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1650 is a valid constant initializer instead of computing the number of
1651 non-constant elements. Use constructor_static_from_elts_p for this
1652 purpose. Replace the head comment with an indication that this is a
1653 helper for categorize_ctor_elements.
1654 (categorize_ctor_elements): Same interface change as for the _1
1655 helper. Former head comment from this helper moved here, adjusted to
1656 account for the interface changes.
1657 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1658 (all_zeros_p): Likewise.
1659 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1660 static versions of the constructor from the categorize_ctor_elements
1661 return value instead of the formerly computed number of non-constant
1664 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1666 * configure: Regenerate.
1667 * Makefile.in (build_libsubdir): New configure substitution
1668 (build_libobjdir): New variable.
1669 (BUILD_LIBIBERTY): Use it.
1671 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1674 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1676 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1679 * c-common.c (handle_weakref_attribute): Ignore attribute in
1680 the same conditions the alias attribute is ignored.
1682 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1684 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1685 (dbxout_begin_prologue): Increment scope_labelno.
1687 2006-07-17 Richard Henderson <rth@redhat.com>
1690 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1693 2006-07-17 Roger Sayle <roger@eyesopen.com>
1694 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1696 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1697 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1698 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1699 functions such as sbrk, write, etc.. Add function prototypes.
1700 Convert function declarations from K&R to ISO C. Cast pointers
1701 to "long" and "unsigned long" instead of "int" and "unsigned int".
1702 Convert tokens following #endif into comments.
1704 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1706 * invoke.texi: Remove mention of f77; Reformat table for
1707 inline parameter options correctly; mention that -malign-double
1708 is default on x86-64 targets.
1710 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1712 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1713 (convert_affine_scev, chrec_convert_aggressive): Use
1714 avoid_arithmetics_in_type_p. Do not check for the subtypes
1717 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1720 * optabs.c (expand_doubleword_shift): Wrap the call to
1721 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1723 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1726 * optabs.c (expand_binop): Pass next_methods rather than methods
1727 to expand_doubleword_shift.
1729 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1732 * tree.h (dump_addr): Declare.
1733 * print-tree.c (dump_addr): New function.
1734 (print_node_brief, print_node): Use it.
1735 * print-rtl.c (print_rtx): Likewise.
1736 * common.opt (-fdump-noaddr): New option.
1737 * doc/invoke.texi (-fdump-noaddr): Document.
1738 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1739 (ve_info_hash): Likewise.
1741 2006-07-13 Andrew Haley <aph@redhat.com>
1743 PR tree-optimization/19505
1744 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1745 edge leaving this block, make sure that the destination of this
1746 block has only one predecessor.
1748 2006-07-17 Richard Guenther <rguenther@suse.de>
1750 PR tree-optimization/28238
1751 * tree-inline.c (copy_bb): Check if we produced valid
1752 gimple copying and substituting a stmt. If not, gimplify
1755 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1757 * optabs.c (maybe_encapsulate_block): New function extracted from...
1758 (emit_libcall_block): ...here. Invoke it on the block of insns to
1759 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1760 (emit_no_conflict_block): Likewise.
1762 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1764 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1766 2006-07-15 Roger Sayle <roger@eyesopen.com>
1768 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1769 a new NOP_EXPR case of the switch statement.
1771 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1774 * stor-layout.c (place_field): Take the bit field with
1775 an excessive size into account in the ms-bitfiled case.
1778 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1779 the previous bit field.
1781 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1784 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1786 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1788 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1789 signal frames correctly even when the signal was installed with
1792 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1794 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1795 (dbxout_function_end): Use local label LFBB. Remove hook
1797 (dbxout_source_line): Use local label LFBB.
1798 (dbxout_block): Likewise.
1799 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1800 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1801 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1802 and DBX_OUTPUT_NFUN.
1804 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1806 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1808 2006-07-13 Jan Hubicka <jh@suse.cz>
1810 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1812 * output.h (align_variable): Declare.
1813 * varasm.c (align_variable): Export.
1814 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1815 when basic block changed.
1817 2006-07-13 Nick Clifton <nickc@redhat.com>
1819 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1820 walking the LOG_LINKS chain.
1822 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1824 * doc/invoke.texi (C++ Dialect Options): Explain difference
1825 between -fvisibility-inlines-hidden and setting hidden
1826 visibility explicitly.
1828 2006-07-12 Eric Christopher <echristo@apple.com>
1830 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1831 (stmp-lipo): Depend on libgcc.a.
1833 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1835 * tree.c: Fix a comment typo.
1837 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1839 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1841 (umulhisi3_r): Likewise.
1843 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1846 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1847 x < 19, vs wchar_t support.
1849 2006-07-12 Nick Clifton <nickc@redhat.com>
1851 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1852 instead of -isa=sh4.
1854 2006-07-12 Mike Stump <mrs@apple.com>
1856 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1858 2006-07-10 Eric Christopher <echristo@apple.com>
1860 * config/t-slibgcc-darwin: Rewrite.
1862 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1865 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1868 2006-07-08 Matthias Klose <doko@debian.org>
1870 * doc/sourcebuild.texi: Fix typo.
1872 2006-07-07 Mike Stump <mrs@apple.com>
1874 * toplev.c (process_options): Don't give -ffunction-sections may
1875 affect debugging warning for Mach-O.
1877 2006-07-07 James E Wilson <wilson@specifix.com>
1879 * config/mips/mips.md (cpu): Add sb1a.
1880 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1881 addition to sb1. Adjust comments to clarify SB-1A differences from
1883 (ir_sb1a_load): New. Modify bypasses to use it.
1884 (ir_sb1a_simple_alu): Likewise.
1885 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1886 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1887 (mips_issue_rate): Add PROCESSOR_SB1A.
1888 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1889 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1890 (TARGET_SB1): Add PROCESSOR_SB1A check.
1891 (TUNE_SB1): Likewise.
1893 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1894 * config/mips/mips.c (mips_store_data_bypass_p): New.
1895 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1896 store_data_bypass_p.
1898 2006-07-08 Paul Brook <paul@codesourcery.com>
1901 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1903 2006-07-07 Richard Guenther <rguenther@suse.de>
1906 * tree.h (build_one_cst): Declare.
1907 * tree.c (build_one_cst): New function.
1908 * tree-ssa-math-opts.c (get_constant_one): Remove.
1909 (insert_reciprocals): Use build_one_cst.
1910 * fold-const.c (fold_plusminus_mult): Likewise.
1912 2006-07-07 Roger Sayle <roger@eyesopen.com>
1914 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1915 * cfgloopanal.c (dump_graph): Likewise.
1916 * dojump.c (discard_pending_stack_adjust): Likewise.
1917 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1919 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1920 * function.c (finalize_block_changes): Likewise.
1921 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1922 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1923 * rtl.c (dump_rtx_statistics): Likewise.
1924 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1926 * varray.c (dump_varray_statistics): Likewise.
1927 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1928 decode_decimal64, encode_decimal128, decode_decimal128,
1929 decimal_real_to_decimal): Likewise.
1931 2006-07-07 Richard Guenther <rguenther@suse.de>
1933 PR tree-optimization/28187
1934 * tree-vrp.c (vrp_operand_equal_p): New function.
1935 (vrp_bitmap_equal_p): Likewise.
1936 (update_value_range): Use them to compare old and new
1939 2006-07-06 Roger Sayle <roger@eyesopen.com>
1941 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1942 a default case to switch statement to silence compiler warnings.
1944 2006-07-06 Roger Sayle <roger@eyesopen.com>
1947 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1948 the configured assembler supports the x87's ffreep mnemonic.
1949 * configure: Regenerate.
1950 * config.in: Regenerate.
1952 * config/i386/i386.c (output_387_ffreep): New function.
1953 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1954 (output_387_reg_move): Likewise.
1956 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1958 Port to hosts whose 'sort' and 'tail' implementations
1959 treat operands with leading '+' as file names, as POSIX
1960 has required since 2001. However, make sure the code still
1961 works on pre-POSIX hosts.
1962 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1963 which says you should use "tail -c +N" rather than "tail +Nc".
1964 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1966 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1968 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1971 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1974 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1975 PRE_{INC,DEC} of TFmode.
1977 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1978 Alan Modra <amodra@bigpond.net.au>
1981 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1984 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1987 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1988 Remove duplicate gtu.
1990 2006-07-05 Jason Merrill <jason@redhat.com>
1994 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1995 * c-common.c (handle_packed_attribute): So don't copy it here.
1996 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1998 2006-07-05 Mike Stump <mrs@apple.com>
2000 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2002 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2005 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2007 2006-07-05 Richard Guenther <rguenther@suse.de>
2010 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2011 TARGET_SSE2 targets if using SSE math.
2012 (*absdf2_1): Likewise.
2014 2006-07-05 Richard Guenther <rguenther@suse.de>
2016 PR tree-optimization/28162
2017 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2018 make sure to convert the operands to the correct type.
2020 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2022 PR tree-optimization/28218
2024 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2025 to calculate and free the dominator information.
2027 2006-07-04 Peter O'Gorman <peter@pogma.com>
2029 * mklibgcc.in: chmod 644 before ranlib during install.
2031 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2032 J"orn Rennecke <joern.rennecke@st.com>
2034 * configure.ac (.eh_frame data check): Use diff -b.
2036 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2039 * Makefile.in (BUILD_RTL): Add build/vec.o.
2040 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2041 (build/genextract): Delete.
2042 (build/genautomata): Likewise.
2044 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2047 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2048 128-bit IBM long doubles for ABI_V4.
2050 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2052 * tree.c (range_in_array_bounds_p): New predicate.
2053 * tree.h (range_in_array_bounds_p): Declare it.
2054 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2055 return a less conservative answer.
2056 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2057 and flag 'is_group'.
2058 (IS_ELEMENT_FOR_GROUP): New macro.
2059 (FOR_EACH_ACTUAL_CHILD): Likewise.
2060 (next_child_for_group): New helper function.
2061 (can_completely_scalarize_p): Take into account groups.
2062 (sra_hash_tree): Handle RANGE_EXPR.
2063 (sra_elt_eq): Likewise.
2064 (lookup_element): Be prepared for handling groups.
2065 (is_valid_const_index): Delete.
2066 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2067 instead of is_valid_const_index.
2068 <ARRAY_RANGE_REF>: New case.
2069 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2070 is_valid_const_index.
2071 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2072 (scan_dump): Dump info for groups too.
2073 (decide_instantiation_1): Likewise.
2074 (decide_block_copy): Assert that the element is not a group.
2075 Propagate decision to groups.
2076 (generate_one_element_ref): Handle RANGE_EXPR.
2077 (mark_no_warning): Iterate over actual childs.
2078 (generate_copy_inout): Likewise.
2079 (generate_element_copy): Likewise.
2080 (generate_element_zero): Likewise.
2081 (generate_element_init_1): Likewise.
2082 (dump_sra_elt_name): Handle RANGE_EXPR.
2084 2006-07-03 Roger Sayle <roger@eyesopen.com>
2086 PR tree-optimization/26251
2087 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2088 (thread_block): When optimizing for size refuse to thread jumps
2089 that would require duplication of blocks other than redirection
2092 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2094 * configure.ac: Fix thinko in previous check-in.
2095 * configure: Regenerate.
2097 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2100 * configure.ac (for lang...): Simplify nesting of conditionals.
2101 Test subdir_requires for non-enabled languages. Move processing
2102 of lang_opt_files and lang_tree_fiels below that test.
2103 * configure: Regenerate.
2104 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2106 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2108 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2110 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2112 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2115 2006-06-29 Jason Merrill <jason@redhat.com>
2122 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2123 * c-common.c (c_determine_visibility): Handle it here.
2124 * c-decl.c (finish_decl): Call c_determine_visibility for
2126 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2128 * varasm.c (default_assemble_visibility): Likewise.
2129 * c-common.c (handle_visibility_attribute): Complain about trying
2130 to give visibility to an already defined class, or trying to change
2131 declared visibility. Always attach the attribute.
2136 * attribs.c (decl_attributes): Ignore type-in-place attributes
2137 once the type has been defined.
2139 2006-06-29 Roger Sayle <roger@eyesopen.com>
2142 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2143 to indicate the cpplib has issued an error message for us.
2145 2006-06-29 Asher Langton <langton2@llnl.gov>
2148 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2149 insert a label at the end of an function under Mach-O.
2151 2006-06-29 Eric Christopher <echristo@apple.com>
2152 Evan Cheng <evan.cheng@apple.com>
2154 * predicates.md (vector_all_ones_operand): New.
2155 (nonimmediate_or_sse_const_operand): Ditto.
2156 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2157 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2158 (standard_sse_mode_p): Ditto.
2159 (standard_sse_constant_p): Add case for -1 vector.
2160 (ix86_expand_vector_move): Try to use.
2161 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2162 Call standard_sse_constant_opcode.
2163 (*movv4sf_internal): Ditto.
2164 (*movv2df_internal): Ditto.
2166 2006-06-29 Roger Sayle <roger@eyesopen.com>
2168 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2169 of XEXP to extract the operands of a MATCH_CODE rtx.
2171 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2173 * tree.c (tree_size): Do not waste tail padding in
2174 struct tree_string and make the size be the same as
2175 build_string will generate.
2177 2006-06-28 Jason Merrill <jason@redhat.com>
2180 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2181 may_aliases already in the tag's annotations to the bitmap.
2183 2006-06-28 Roger Sayle <roger@eyesopen.com>
2185 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2187 2006-06-28 Roger Sayle <roger@eyesopen.com>
2189 * genpreds.c (generate_switch_p): New function.
2190 (add_mode_tests): Push the new mode test down inside an AND expr
2191 if this allows the switch-suitable MATCH_CODE to be near the root.
2192 (write_match_code_switch): New function to write a MATCH_CODE as
2194 (write_predicate_stmts): New function to write a predicate RTX
2195 expression as a sequence of statements.
2196 (write_one_predicate_function): Use write_predicate_stmts.
2197 (write_tm_constrs_h): Likewise.
2199 2006-06-26 Fred Fish <fnf@specifix.com>
2201 * config/mips/t-sb1: New file.
2202 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2205 2006-06-26 DJ Delorie <dj@redhat.com>
2207 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2209 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2210 Jayant Sonar <jayants@kpitcummins.com>
2211 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2213 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2214 (subsi3, subsi3_1, subsi3_2): New.
2215 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2216 * config/m32c/mov.md (SI mov peephole): New.
2217 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2218 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2220 2006-06-26 Olivier Hainque <hainque@adacore.com>
2222 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2223 a CALL_EXPR target function declaration.
2225 2006-06-26 Richard Guenther <rguenther@suse.de>
2227 * tree.c (build_string): Do not waste tail padding in
2230 2006-06-26 Richard Guenther <rguenther@suse.de>
2232 * ggc-page.c (init_ggc): Add missing element to size_lookup
2236 2006-06-23 Richard Guenther <rguenther@suse.de>
2238 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2239 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2240 alignment requests instead. Add verification code.
2241 Add struct tree_function_decl and struct tree_binfo size to
2242 extra_order_size_table. Add missing element to size_lookup
2245 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2248 * fold-const.c (const_binop): Be prepared for self returning zero.
2249 Simplify code handling complex values.
2251 2006-06-24 Olivier Hainque <hainque@adacore.com>
2253 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2254 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2257 2006-06-24 Olivier Hainque <hainque@adacore.com>
2259 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2260 ARRAY_REF, so have the callback called for the low bound expression.
2262 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2264 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2265 * c-typeck.c (c_common_type): Disallow operations on decimal float
2266 types and other float types.
2267 * convert.c (convert_to_real): Don't ignore conversions involving
2268 decimal float types.
2270 2006-06-23 Olivier Hainque <hainque@adacore.com>
2272 * tree.c (max_int_size_in_bytes): New function, inspired from
2273 code in function.c:assign_temp.
2274 * tree.h (max_int_size_in_bytes): Declare.
2275 * function.c (assign_temp): Use it.
2276 * gimplify.c (create_tmp_var): Relax the assertions on the type
2277 properties, not mandating constant size any more.
2278 (force_constant_size): New static function.
2279 (gimple_add_tmp_var): Use it, forcing variable size to a
2280 constant upper bound if it is not constant on entry.
2282 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2285 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2286 for initialization and setting of one_only flag to ...
2287 (i386_pe_encode_section_info): ...here.
2288 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2289 Recheck that the symbol has not been defined.
2291 2006-06-23 Richard Guenther <rguenther@suse.de>
2293 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2294 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2295 alignment requests instead. Add verification code.
2296 Add struct tree_function_decl and struct tree_binfo size to
2297 extra_order_size_table. Add missing element to size_lookup
2300 2006-06-22 Roger Sayle <roger@eyesopen.com>
2301 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2304 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2305 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2307 2006-06-23 Ben Elliston <bje@au.ibm.com>
2309 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2310 negate dn -- manipulate it directly.
2312 2006-06-22 Roger Sayle <roger@eyesopen.com>
2313 Steven Bosscher <stevenb.gcc@gmail.com>
2316 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2317 generated by gen_move_insn to add REG_LABEL notes if necessary.
2319 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2321 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2322 (leaf_entry): Remove use of MIN_ESA.
2324 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2326 PR rtl-optimization/28121
2327 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2330 2006-06-21 DJ Delorie <dj@redhat.com>
2332 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2334 (mulhisi3_r): Likewise.
2336 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2339 * coverage.c (coverage_counter_alloc): Leave the index type
2341 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2344 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2346 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2347 section from the "Options for Code Generation Conventions".
2349 2006-06-21 Richard Henderson <rth@redhat.com>
2353 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2355 (global_symbolic_operand): Allow weak symbols, even if local_p.
2357 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2359 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2360 (find_interesting_uses_address): Punt if above function returns true.
2362 2006-06-21 Richard Guenther <rguenther@suse.de>
2364 * configure: Regenerated.
2366 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2368 * config/mips/mips.c (function_arg): Where one part of a
2369 complex argument is in registers and the other part in the stack,
2370 return a REG not a PARALLEL.
2372 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2374 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2375 when cross-compiling. Do not substitute libstdcxx_incdir.
2376 * configure: Regenerated.
2378 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2380 * varasm.c (mergeable_string_section): Check for embedded NULs and
2381 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2382 rather than TREE_STRING_LENGTH bytes.
2384 2006-06-21 Richard Guenther <rguenther@suse.de>
2386 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2387 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2390 2006-06-21 Richrad Guenther <rguenther@suse.de>
2392 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2393 Limit iteration over the dominators.
2395 2006-06-20 Roger Sayle <roger@eyesopen.com>
2397 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2398 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2400 2006-06-20 Richard Guenther <rguenther@suse.de>
2401 Michael Matz <matz@suse.de>
2403 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2405 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2406 * et-forest.h (et_free_pools): Prototype new function.
2407 * et-forest.c (et_free_tree_force): Free parent occurrence.
2408 (et_free_pools): New function.
2409 * dominance.c (free_dominance_info): Free et-forest alloc
2412 2006-06-20 Roger Sayle <roger@eyesopen.com>
2414 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2415 integer modes, attempt to directly construct an integer constant.
2417 * fold-const.c (native_encode_vector): Determine the size of each
2418 element from the vector type instead of the first vector element.
2420 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2421 if all of its elements/components are constant.
2422 (build_constructor_from_list): Likewise.
2424 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2426 PR tree-optimization/27331
2427 * tree-data-ref.c (free_data_ref): New function.
2428 (create_data_ref): Fail if the data reference has unknown access
2430 (free_data_refs): Use free_data_ref.
2432 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2435 * tree-inline.c (setup_one_parameter): Strip useless
2436 type conversion before adding it to the IR.
2437 (declare_return_variable): Likewise.
2439 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2442 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2444 2006-06-19 Mike Stump <mrs@apple.com>
2446 * tree.c (variably_modified_type_p): VM arguments don't make the
2449 2006-06-19 Richard Guenther <rguenther@suse.de>
2451 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2452 type conversions after folding.
2454 2006-06-19 Richard Guenther <rguenther@suse.de>
2456 * ggc-page.c (extra_order_size_tab): Add entries with
2457 size of struct function and basic_block.
2458 (size_lookup): Extend to cover sizes up to 511.
2459 (ggc_alloc_stat): Adjust user.
2460 (ggc_pch_count_object): Likewise.
2461 (ggc_pch_alloc_object): Likewise.
2462 (ggc_pch_write_object): Likewise.
2464 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2466 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2467 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2470 2006-06-19 Denis Chertykov <denisc@overta.ru>
2472 * config/avr/libgcc.S : Correct my wrong previous commit.
2474 2006-06-19 Roger Sayle <roger@eyesopen.com>
2477 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2478 have stripped a SUBREG from the shift count, so we may need to
2479 convert_to_mode back to the type's mode before calling make_tree.
2480 Use new_amount instead of amount to avoid expanding a tree twice.
2482 2006-06-19 Richard Guenther <rguenther@suse.de>
2485 * fold-const.c (operand_equal_p): Check if the argument types
2486 have the same precision before stripping NOPs.
2488 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2490 Fix PR tree-optimization/27341
2491 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2493 * tree-complex.c (pass_lower_complex): Update SMT usage.
2495 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2497 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2498 Add a new alternative to the constraint strings. Add move of
2499 operand 1 to 3 to the splitter definition.
2500 ("doloop_si_long"): Second contraint alternative removed.
2502 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2504 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2505 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2507 (AVR_HAVE_MOVW) Define.
2508 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2509 (ASM_SPEC): Add avr25.
2510 (LINK_SPEC): Add avr25.
2511 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2512 (base_arch_s): Add new member 'have_movw_lpmx'.
2513 (avr_arch_types): Init 'have_movw_lpmx'.
2514 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2515 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2516 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2517 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2518 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2520 (avr_file_start): Do not output '.arh' derective.
2521 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2522 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2523 * config/avr/avr.md (mcu_enhanced): Delete.
2524 (mcu_have_movw): Define.
2525 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2526 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2527 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2528 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2529 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2530 attiny861 and at86rf401 devices.
2532 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2534 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2537 2006-06-17 Karl Berry <karl@gnu.org>
2539 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2540 doc/gccint.texi, doc/install.texi (@dircategory): Use
2541 "Software development" instead of "Programming", following
2542 the Free Software Directory.
2544 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2546 * config/i386/i386.c (legitimate_tls_address)
2547 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2548 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2549 (*tls_dynamic_gnu2_combine_64): Likewise.
2551 2006-06-16 Richard Guenther <rguenther@suse.de>
2554 * fold-const.c (negate_expr_p): Do not introduce undefined
2555 overflow in negating INTEGER_CSTs.
2556 (fold_negate_expr): Rename from negate_expr. Revert last
2557 change for folding BIT_NOT_EXPR. Change semantics to
2558 return NULL_TREE for non-simplified negations. Do not
2559 strip type conversions and unify type handling.
2560 (negate_expr): New function, wrap around fold_negate_expr
2561 but ensure building a tree always. Strip type conversions
2562 here, fold to result type.
2563 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2565 2006-06-16 Roger Sayle <roger@eyesopen.com>
2568 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2569 that (would) return their results in stack registers.
2571 2006-06-16 Michael Matz <matz@suse.de>
2572 Richard Guenther <rguenther@suse.de>
2574 * fold-const.c (fold_truthop): Only return new tree node if
2575 we canonicalized something.
2577 2006-06-16 Richard Guenther <rguenther@suse.de>
2579 * function.h (enum function_frequency): Move declaration
2580 out of struct function.
2581 (struct function): Move bool fields and the enum to the bitfield
2582 section. Reorder elements to avoid padding. Remove unused
2583 fields left over from the RTL inliner removal.
2584 * function.c (free_after_compilation): Do not zero removed fields.
2585 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2586 (ipa-type-escape.o): Likewise.
2588 2006-06-16 Richard Guenther <rguenther@suse.de>
2590 * cgraph.h (struct cgraph_local_info): Turn bool elements
2592 (struct cgraph_node): Likewise.
2593 (struct cgraph_varpool_node): Likewise.
2595 2006-06-15 Richard Guenther <rguenther@suse.de>
2597 * fold-const.c (fold_truth_not_expr): Rename from
2598 invert_truthvalue. Give it fold_* semantics to avoid
2600 (invert_truthvalue): New function. Wrapper around
2601 fold_truth_not_expr.
2602 (optimize_minmax_comparison): Avoid creating garbage.
2603 (fold_unary): Use fold_truth_not_expr for folding
2605 (fold_ternary): Replace uses of invert_truthvalue with
2606 fold_truth_not_expr where applicable.
2607 * tree.h (fold_truth_not_expr): Prototype.
2609 2006-06-16 Richard Guenther <rguenther@suse.de>
2611 PR tree-optimization/27781
2612 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2613 * ipa-pure-const.c (target.h): Include.
2614 (analyze_function): Do not analyze functions that do not
2617 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2620 * tree-dfa.c (referenced_vars_dup_list): Remove.
2621 (find_referenced_vars): Remove assert.
2622 (referenced_var_check_and_insert): Replace dup list with assert.
2623 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2624 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2626 2006-06-15 Richard Guenther <rguenther@suse.de>
2628 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2629 extra unused identifiers if not dumping.
2630 (create_variable_info_for): Likewise.
2632 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2634 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2635 (derive_constant_upper_bound): Derive more precise upper bound in
2636 common cases. Return type changed to double_int.
2637 (record_estimate): Reflect the changed return type of
2638 derive_constant_upper_bound.
2639 * double-int.c (double_int_zext, double_int_sext): Fix.
2641 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2643 * configure.ac (CFLAGS): Get them from the toplevel or from the
2644 configure invocation.
2645 * configure: Regenerate.
2646 * Makefile.in (CFLAGS): Substitute value provided by configure.
2648 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2651 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2652 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2653 rather than calling add_stmt on it.
2654 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2656 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2659 * reload1.c (reload): Remove registers returned by update_eliminables
2660 from used_spill_regs.
2662 2006-06-13 DJ Delorie <dj@redhat.com>
2664 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2666 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2668 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2669 html__strip_dir, html__mkdir_p. Enhance install-html target.
2670 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2671 * configure: Regenerate.
2673 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2675 * fold-const.c (fold_cond_expr_with_comparison): Check for
2676 Objective-C++ as language in deciding COND_EXPR transformation.
2678 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2681 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2682 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2683 * config/sh/lib1funcs.h (SL, SL1): Define.
2684 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2685 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2686 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2687 (OBJS_Os_4_200): New variable.
2688 ($(T)libgcc-Os-4-200.a): Use it.
2689 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2690 when dividing 1 and/or by 0.
2692 2006-06-13 Roger Sayle <roger@eyesopen.com>
2694 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2695 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2696 * configure: Regenerate.
2698 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2700 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2701 for real instruction.
2703 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2706 * haifa-sched.c (check_cfg): Handle special case.
2708 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2711 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2712 Add debug_info parameter. Chain the vars to the BLOCK instead
2713 of the BIND_EXPR if debug info are requested for them.
2714 (pop_gimplify_context): Adjust for above change.
2715 (gimple_add_tmp_var): Likewise.
2716 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2718 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2719 (convert_local_reference): Likewise.
2720 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2721 (finalize_nesting_tree_1): Request that debug info be emitted
2722 for debug_var_chain.
2724 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2726 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2727 for PR target/27863.
2729 2006-06-13 Richard Guenther <rguenther@suse.de>
2732 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2734 2006-06-13 Richard Guenther <rguenther@suse.de>
2736 PR tree-optimization/27830
2737 * tree-inline.c (copy_body_r): For copying the operand
2738 of an ADDR_EXPR make sure to fold &* afterwards.
2740 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2742 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2743 lvalues in the fb_none case with side-effects.
2745 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2747 * tree-flow.h: Remove the prototype for
2748 compute_phi_arg_on_exit.
2749 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2750 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2753 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2755 * builtins.c (expand_builtin_return_addr): Only use
2756 frame_pointer_rtx when count == 0 and we are expanding
2757 __builtin_return_address.
2759 2006-06-12 Fred Fish <fnf@specifix.com>
2761 * config/mips/mips.c (mips_file_start): Create special section
2762 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2764 2006-06-11 Eric Christopher <echristo@apple.com>
2767 * stor-layout.c (place_field): Remove check for
2768 remaining_in_alignment when aligning at the end of a run.
2770 2006-06-11 Eric Christopher <echristo@apple.com>
2773 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2776 2006-06-11 Roger Sayle <roger@eyesopen.com>
2779 Revert incorrect fix for PR target/27158
2780 2006-05-08 Roger Sayle <roger@eyesopen.com>
2781 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2782 of a reg_equiv_constant if the result is a legitimate constant.
2784 2006-06-11 Roger Sayle <roger@eyesopen.com>
2787 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2788 extract a CONST_VECTOR element and interpret it as an integer.
2789 (vspltis_constant): Use const_vector_elt_as_int instead of the
2790 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2791 * config/rs6000/predicates.md (easy_vector_const): Consider
2792 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2794 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2797 * stor-layout.c (update_alignment_for_field): Don't add extra
2798 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2801 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2803 * config/mips/t-rtems: Add EL/EB multilib variants.
2805 2006-06-09 Mike Stump <mrs@apple.com>
2807 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2809 2006-06-09 David Daney <ddaney@avtrex.com>
2811 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2813 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2815 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2817 2006-06-09 Richard Guenther <rguenther@suse.de>
2819 PR tree-optimization/26998
2820 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2821 of signed types, only TYPE_MIN_VALUE is special, but for both,
2822 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2823 in this case, as is -fwrapv.
2825 2006-06-08 Mike Stump <mrs@apple.com>
2828 * config/darwin.c (darwin_asm_output_anchor): Disable
2829 -fsection-anchors on darwin for now.
2830 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2831 * rs6000/rs6000.c (optimization_options): Likewise.
2833 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2836 * config/i386/i386.c (classify_argument): Skip fields with invalid
2839 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2841 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2842 (cse_insn): Likewise for the stack_pointer_rtx.
2844 2006-06-08 Roger Sayle <roger@eyesopen.com>
2846 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2847 conditions from floating point comparisons.
2849 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2852 * expmed.c (struct alg_hash_entry): Fix type of field T
2853 to match synth_mult argument.
2854 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2856 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2859 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2862 2006-06-08 Richard Guenther <rguenther@suse.de>
2865 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2866 only, if overflow is defined and not trapping.
2867 (negate_expr): Likewise.
2869 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2871 PR tree-optimization/27872
2872 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2873 flag on the new exit edge of the unrolled loop.
2875 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2877 PR rtl-optimization/26449
2878 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2880 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2883 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2884 referenced_variables with matching DECL_UID's.
2885 (find_referenced_vars): Make sure duplicate list is empty to start.
2886 (referenced_var_p): Remove.
2887 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2888 Check if var is in the list, and add if needed. Update the duplicate
2889 list if a different var is in the list with the same DECL_UID.
2890 (add_referenced_var): Call routine to check and insert.
2891 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2892 * tree-flow.h (referenced_vars_dup_list): External declaration.
2894 2006-06-07 Fred Fish <fnf@specifix.com>
2896 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2899 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2902 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2903 the imaginary and real parts of a clobbered register.
2904 Emit insn to set the imaginary part.
2906 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2908 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2909 in lieu of unwind-dw2-fde.c.
2911 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2913 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2915 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2918 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2919 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2920 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2921 V4SImode temporaries and operations instead.
2923 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2925 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2928 2006-06-06 Mike Stump <mrs@apple.com>
2930 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2931 installing during build.
2933 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2935 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2937 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2938 * config/ia64/ia64.c (params.h): New header.
2939 (ia64_optimization_options): New function to adjust parameters.
2940 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2941 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2942 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2944 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2946 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2948 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2951 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2953 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2954 Victor Kaplansky <victork@il.ibm.com>
2956 PR tree-optimization/26360
2957 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2960 2006-06-04 Roger Sayle <roger@eyesopen.com>
2961 Andrew Pinski <pinskia@physics.uc.edu>
2964 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2965 for LABEL_DECL before calling DECL_WEAK.
2968 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2969 LABEL_DECL and PARM_DECL.
2971 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2975 * c-decl.c (grokdeclarator): Disallow variably modified types at
2976 file scope. Avoid marking shared array type of constant size as
2979 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2982 * c-common.c (fold_offsetof_1): Handle static members.
2984 2006-06-04 Eric Christopher <echristo@apple.com>
2986 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2987 (debug_rli): Output value for remaining_in_alignment.
2988 (update_alignment_for_field): Unconditionalize
2989 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2990 extra alignment code.
2991 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2992 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2993 * tree.h (record_layout_info_s): Remove prev_packed.
2994 * doc/extend.texi (ms_struct): Add documentation of format.
2996 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2998 * tree.h: Declare folding_initializer.
2999 * builtins.c (fold_builtin_constant_p): Give definite answer
3000 if folding inside an initializer.
3001 * fold-const.c: Define folding_initializer.
3002 (START_FOLD_INIT): Save and then set folding_initializer.
3003 (END_FOLD_INIT): Restore folding_initializer.
3005 2006-06-04 Richard Guenther <rguenther@suse.de>
3007 PR tree-optimization/27039
3008 * fold-const.c (fold_comparison): Handle pointer comparison
3009 again for all comparison codes. Compare offsets in signed
3011 (fold_binary): Move code from here.
3013 2006-06-03 Roger Sayle <roger@eyesopen.com>
3016 * config/i386/i386.c (construct_container): Split static issued_error
3017 flag into issued_sse_arg_error, issued_sse_ret_error and
3018 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3019 requires the use of x87 registers and the user explicitly
3020 specified the -mno-80387 command line option.
3022 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3024 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3025 HAVE_DECL_SIGALTSTACK.
3027 (segv_handler): Use MC_FLD.
3028 * configure.ac: Check for a sigaltstack declaration.
3029 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3030 * configure: Regenerate.
3031 * config.in: Regenerate.
3033 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3036 * Makefile.in (stmp-fixinc): Fix typo.
3038 2006-06-02 Roger Sayle <roger@eyesopen.com>
3040 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3041 are type correct. Clean-up.
3042 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3043 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3045 2006-06-01 DJ Delorie <dj@redhat.com>
3047 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3048 shift, as we've disabled the "switch" insn that needs it.
3050 2006-06-01 Per Bothner <bothner@bothner.com>
3052 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3053 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3054 * c-ppoutput.c (cb_define): Don't increment line 0.
3056 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3058 * doc/invoke.texi: Add cpu_type power6.
3059 * config.gcc: Add cpu_type power6.
3060 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3061 to power5+ with Altivec.
3062 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3063 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3065 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3067 * config/avr/avr.h (SET_ASM_OP): Define.
3069 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3071 * config/bfin/bfin.c: Fix comment typos.
3073 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3076 * doc/install.texi: Document --enable-bootstrap and
3077 --disable-bootstrap.
3079 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3081 * doc/install.texi: Document that InfoZIP can replace jar.
3083 2006-05-31 Roger Sayle <roger@eyesopen.com>
3085 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3086 isn't available, directly generate the simpler x87 patterns without
3087 the (use (const_int 0)).
3088 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3089 implementation isn't available.
3090 (*negdf2_1): Likewise.
3091 (*negxf2_1): XF mode negation is always done using the x87.
3092 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3094 2006-05-31 Roger Sayle <roger@eyesopen.com>
3096 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3097 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3099 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3101 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3103 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3104 * config/bfin/bfin.c (basic-block.h): Include.
3105 (struct machine_function): New.
3106 (bfin_init_machine_status): New.
3107 (override_options): Initialize init_machine_status.
3108 (bfin_hardware_loop): New.
3109 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3110 (DEF_VEC_P (loop_info)): New.
3111 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3112 (struct loop_info): New.
3113 (loop_info): New typedef.
3114 (struct loop_work): New.
3115 (loop_work): New typedef.
3116 (DEF_VEC_O (loop_work)): New.
3117 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3118 (bfin_dump_loops): New.
3119 (bfin_bb_in_loop): New.
3120 (bfin_scan_loop): New.
3121 (bfin_optimize_loop): New.
3122 (bfin_reorg_loops): New.
3123 (bfin_reorg): Use bfin_reorg_loops.
3124 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3126 (I_REGNO_P): Simplify.
3127 (DP_REGNO_P, DPREG_P): New macros.
3128 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3129 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3130 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3131 Add LT_REGS, LC_REGS, LB_REGS.
3132 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3134 (REGNO_REG_CLASS): Deal with loop registers.
3135 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3137 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3138 New constants for loop registers.
3139 (UNSPEC_LSETUP_END): New.
3140 (seq_insns): New define_attr. Set it for appropriate insns.
3141 (movsi_insn): Add alternatives for move from/to
3142 loop count registers.
3143 (doloop_end): New define_expand.
3144 (loop_end): New define_insn.
3145 (define_split for bad doloop_end): New.
3146 (lsetup_with_autoinit): New define_insn.
3147 (lsetup_without_autoinit): New define_insn.
3148 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3149 * config/bfin/predicates.md (lc_register_operand): New.
3150 (lt_register_operand): New.
3151 (lb_register_operand): New.
3152 (nondp_register_operand): New.
3153 (nondp_reg_or_memory_operand): New.
3154 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3156 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3158 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3159 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3161 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3163 * Makefile.in (CATALOGS): Add po/ prefix.
3164 * configure: Regenerated.
3166 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3169 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3170 a shift operand before calling shift_op. Avoid redundant call of
3173 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3174 DJ Delorie <dj@redhat.com>
3176 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3177 we're inserting is a singlt-bit constant.
3179 2006-05-30 Roger Sayle <roger@eyesopen.com>
3181 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3182 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3184 2006-05-30 Roger Sayle <roger@eyesopen.com>
3186 PR tree-optimization/23452
3187 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3188 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3189 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3190 complex values and with -ffast-math for FP complex values.
3192 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3194 * c-common.h: Remove the prototype for yyparse.
3195 * rtl.h: Remove the prototype for init_loop.
3197 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3199 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3202 2006-05-30 Roger Sayle <roger@eyesopen.com>
3204 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3206 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3207 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3209 2006-05-30 Dirk Mueller <dmueller@suse.de>
3212 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3213 for CONSTANT_CLASS_P expresisons.
3215 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3218 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3220 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3222 PR tree-optimization/27779
3223 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3224 initial_condition instead of CHREC_LEFT.
3226 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3228 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3229 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3230 Make prototypes ISO C90.
3232 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3233 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3235 * see.c (see_analyze_one_def): Correct check.
3236 (see_get_extension_data): Check if extension is parallel.
3237 (see_get_extension_reg): Likewise.
3239 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3242 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3243 into register for (code == GTU).
3245 2006-05-29 Roger Sayle <roger@eyesopen.com>
3247 PR tree-optimization/24964
3248 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3249 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3250 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3251 abs(x)*abs(x) as x*x for scalar floating point modes.
3253 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3256 * lambda-code.c (perfect_nestify): Don't copy statements
3257 in the inner loop: move them to the inner loop header.
3259 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3262 * c-tree.texi: Document OpenMP directives and clauses.
3264 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3266 * varasm.c (globalize_decl): Fix indentation.
3268 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3271 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3272 pass_fre, pass_store_ccp, pass_copy_prop,
3273 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3274 pass_return_slot, pass_object_size, pass_lim,
3275 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3276 pass_loop_prefetch and pass_stdarg.
3278 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3280 * config/bfin/bfin.opt (mfdpic): New option.
3281 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3282 (EXTRA_MULTILIB_PARTS): Likewise.
3283 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3284 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3286 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3287 (CRT_CALL_STATIC_FUNCTION): New.
3288 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3290 (CRT_CALL_STATIC_FUNCTION): New.
3291 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3293 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3294 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3295 (initialize_trampoline): Changed to handle FD-PIC code generation.
3296 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3297 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3298 (override_options): Disallow -mid-shared-library -mfdpic combination.
3299 Can't do unaligned ops if FD-PIC.
3300 Turn off flag_pic if trying to generate non-id-shared-library
3301 non-fdpic code, since it's not supported.
3302 (bfin_assemble_integer): New function.
3303 (TARGET_ASM_INTEGER): Define.
3304 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3306 * config/bfin/crtn.s: Restore them.
3307 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3309 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3310 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3311 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3312 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3313 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3315 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3316 FDPIC_REGS and FDPIC_FPTR_REGS.
3317 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3318 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3319 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3320 (load_funcdescsi): New pattern.
3321 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3322 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3323 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3325 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3327 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3330 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3332 * tree-flow.h: Remove the prototype for add_type_alias.
3333 * tree-ssa-alias.c (add_type_alias): Remove.
3335 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3337 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3338 config/fr30/fr30.md, config/i386/i386-interix.h,
3339 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3340 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3341 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3342 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3343 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3344 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3345 Follow spelling conventions.
3346 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3347 Follow spelling conventions.
3349 2006-05-27 Richard Guenther <rguenther@suse.de>
3352 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3353 to produce a constant of value 1 of generic type.
3355 2006-05-27 Dirk Mueller <dmueller@suse.de>
3357 * cgraphunit.c (decide_is_function_needed): Fix wrong
3360 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3362 PR rtl-optimization/27661
3363 * reload.c (find_reloads): When reloading a VOIDmode constant
3364 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3365 use Pmode as mode of the reload register.
3367 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3369 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3370 is enabled at -O and above.
3372 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3375 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3378 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3381 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3382 for anonymous variables explicitly declared by front ends.
3384 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3386 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3387 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3388 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3389 ref-all pointers, run a finalization pass for them.
3390 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3391 (finalize_ref_all_pointers): New function.
3392 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3393 regular pointer type to a ref-all pointer type.
3394 (get_tmt_for): Return the special memory tag for ref-all pointers.
3396 2006-05-25 Richard Guenther <rguenther@suse.de>
3399 * fold-const.c (fold_binary): Do not look at the stripped
3400 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3402 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3404 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3405 for LT and GT if the computed range is effectively empty.
3407 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3410 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3411 mips_quad_format formats instead of ieee_single_format,
3412 ieee_double_format and ieee_quad_format formats, respectively.
3414 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3416 PR tree-optimization/27639
3417 PR tree-optimization/26719
3418 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3419 call to scev_probably_wraps_p.
3420 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3421 used_in_pointer_arithmetic_p, convert_step): Removed.
3422 (nowrap_type_p): New function.
3423 (scev_probably_wraps_p): Rewritten.
3424 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3425 chrec_convert if chrec_convert_aggressive might have been used.
3426 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3427 scev_direction): New functions.
3428 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3429 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3430 instead of convert_step.
3431 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3432 (convert_step): Declaration removed.
3433 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3435 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3437 * df-core.c: Added to header comments.
3438 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3439 df_ur_bb_info, df_urec_bb_info): Added comments.
3440 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3441 urec, ri problems): Fixed header comments.
3442 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3443 code from df_rd_transfer_function.
3445 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3447 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3448 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3449 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3451 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3453 * expr.c (undefined_operand_subword_p): New.
3454 (emit_move_multi_word): Do not generate move from undefined bits
3455 of a paradoxical subreg.
3457 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3459 PR rtl-optimization/27736
3460 * combine.c (replaced_rhs_value): New variable.
3461 (combine_instructions): Set it.
3462 (distribute_notes): When distributing a note in replaced_rhs_insn,
3463 check whether the value was used in replaced_rhs_value.
3465 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3468 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3469 add_referenced_var instead of add_referenced_tmp_var.
3470 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3471 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3473 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3474 tree_optimize_tail_calls_1): Use add_referenced_var.
3475 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3476 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3477 Use add_referenced_var.
3478 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3479 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3480 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3481 Use add_referenced_var.
3482 * tree-dfa.c (struct walk_state): Remove.
3483 (find_referenced_vars): Remove walk state and vars_found hash table.
3484 (make_rename_temp): Use add_referenced_var.
3485 (find_vars_r): Pass less parameters to add_referenced_var.
3486 (referenced_var_p): New. Is var in referenced_var hash table.
3487 (referenced_var_insert): Assert var isn't already in hash table.
3488 (add_referenced_var): Don't need walk_state parameter. Add var if it
3489 isn't already in the hash table.
3490 (add_referenced_tmp_var): Remove.
3491 (find_new_referenced_vars_1): Use add_referenced_var.
3492 * tree-ssa-pre.c (create_expression_by_pieces,
3493 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3494 Use add_referenced_var.
3495 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3496 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3497 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3499 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3500 vect_create_data_ref_ptr, vect_create_destination_var,
3501 vect_init_vector, vect_build_loop_niters,
3502 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3503 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3504 Use add_referenced_var.
3505 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3506 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3507 (add_referenced_var): Add prototype.
3508 * tree-ssa-structalias.c (get_constraint_for,
3509 intra_create_variable_infos): Use add_referenced_var.
3511 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3513 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3514 big-endian paradoxical subregs.
3515 * var-tracking.c (struct micro_operation_def): Document that,
3516 for modify micro operations, insn is the subsequent instruction.
3517 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3518 (var_reg_set, var_mem_set): ... new functions.
3519 (add_stores): Record subsequent insn.
3520 (compute_bb_dataflow): Use new functions for MO_USE.
3521 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3522 notes after the insn, and modify notes before the insn known
3523 to be the subsequent one.
3524 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3526 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3529 * config/i386/i386.c (ix86_expand_builtin): Use
3530 gen_sse3_monitor64 for TARGET_64BIT.
3532 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3534 PR rtl-optimization/26375
3535 PR rtl-optimization/26855
3536 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3538 (df_ru_bb_local_compute): Reversed statements and removed bogus
3539 comment explaining why they should be in wrong order.
3540 (df_ru_dump, df_rd_dump): Enhanced debug info.
3541 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3543 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3544 reaching uses and fixed space problem.
3546 2006-05-23 Jan Hubicka <jh@suse.cz>
3548 * cgraphunit.c (decide_is_function_needed): Also nested functions
3549 and functions declared inline can be optimized out at -O0.
3551 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3553 * doc/install.texi (Configuration): Remove reference to CrossGCC
3557 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3560 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3561 ix86_compare_emitted is non-NULL.
3563 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3566 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3569 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3571 PR rtl-optimization/25514
3572 * combine.c (replaced_rhs_insn): New variable.
3573 (combine_instructions): Set replaced_rhs_insn when trying to replace
3574 a SET_SRC with a REG_EQUAL note.
3575 (distribute_notes): Use replaced_rhs_insn when determining the live
3576 range of a REG_DEAD register.
3578 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3579 Anatoly Sokolov <aesok@post.ru>
3581 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3582 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3583 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3584 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3585 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3586 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3587 at90usb647, at90usb1286 and at90usb1287 devices.
3588 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3589 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3591 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3593 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3595 2006-05-22 Richard Guenther <rguenther@suse.de>
3598 2006-01-31 Richard Guenther <rguenther@suse.de>
3599 Paolo Bonzini <bonzini@gnu.org>
3601 * doc/install.texi (--disable-libgcc-math): Document.
3603 2006-05-22 Richard Guenther <rguenther@suse.de>
3606 2006-01-31 Richard Guenther <rguenther@suse.de>
3608 * doc/invoke.texi (-msselibm): Document.
3609 * target.h (expand_library_builtin): New target hook.
3610 * builtins.c (expand_builtin): Use expand_library_builtin.
3611 (default_expand_library_builtin): New function.
3612 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3613 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3614 (link_gcc_math_spec): Declare.
3615 (static_specs): Add link_gcc_math_spec.
3616 * expr.h (default_expand_library_builtin): Declare.
3617 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3618 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3619 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3620 * config/i386/i386.opt (msselibm): New target option.
3621 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3622 (ix86_init_sse_abi_builtins): New function.
3623 (ix86_expand_library_builtin): Likewise.
3624 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3625 (override_options): Handle error conditions wrt -msselibm.
3626 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3627 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3628 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3631 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3634 * c-common.c (self_promoting_args_p): Skip erroneous args.
3637 * c-decl.c (finish_struct): Skip erroneous fields.
3639 2006-05-22 Nick Clifton <nickc@redhat.com>
3641 * config/cris/cris.opt (march): Remove VarExists attribute.
3642 (max-stackframe=): Likewise.
3644 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3646 * doc/rtl.texi: Fix a typo.
3647 * see.c: Fix comment typos.
3649 * tree-ssa-structalias.h (alias_info): Remove num_references.
3651 2006-05-21 Mike Stump <mrs@apple.com>
3653 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3655 (darwin_pragma_options): Use BAD instead.
3656 (darwin_pragma_unused): Likewise.
3657 (darwin_pragma_ms_struct): Likewise.
3659 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3661 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3663 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3665 PR rtl-optimization/27671
3666 * simplify-rtx.c (simplify_relational_operation_1): Fix
3667 simplifications of (eq/ne (xor x y) y) and
3668 (eq/ne (xor x y) x).
3670 PR tree-optimization/26622.
3671 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3674 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3676 * tree-cfg.c: Prune whitespace.
3677 (debug_tree_cfg): Point to correct header containing the
3680 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3683 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3685 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3688 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3689 or sorry count is non zero.
3691 2006-05-20 Andreas Schwab <schwab@suse.de>
3693 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3695 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3696 Kenneth Zadeck <zadeck@naturalbridge.com>
3698 PR rtl-optimization/26855
3700 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3702 (df_scan_alloc): Added code to properly handle multiword hard
3703 registers and add all_blocks parameter.
3704 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3705 code to properly handle multiword hard registers.
3706 (df_rescan_blocks): Added code to remove deleted blocks from
3708 (df_ref_create_structure, df_ref_record): Added code to properly
3710 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3711 and set DF_REF_PARTIAL.
3712 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3713 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3714 (df_scan_add_problem): Added flags parameter.
3715 (df_ref_create_structure): Changed switching structure.
3716 (df_bb_refs_record): Fixed case where duplicate artificial refs
3717 were created. Changed location of flags.
3718 (df_record_entry_block_defs): Added code to make stack pointer
3719 live in entry block. Refined cases where frame pointer is needed.
3720 Changed location of flags.
3721 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3722 (df_set_state): Removed function.
3723 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3724 df_insn_create_insn_record, df_insn_refs_delete,
3725 df_ref_create_structure): Formatting changes.
3726 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3727 df_delete_basic_block): New function.
3728 (df_init): Changed location of flags.
3729 (df_add_problem): Added flags parameter and the way flags are
3731 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3732 debug_df_chain): Improved debugging output.
3733 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3734 (df_refs_chain_dump): Removed df parameter.
3735 (df_iterative_dataflow): Added consistency check.
3736 (df_prune_to_subcfg): Made public.
3737 (df_analyze_problem): Added blocks_to_init parameter and made
3739 (df_ref_record, df_bb_refs_record, df_mark_reg,
3740 df_record_exit_block_uses): Whitespace changes.
3741 (df_dump): Whitespace changes.
3742 * df.h: Some reordering to remove forward references.
3743 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3744 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3745 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3746 (dataflow.flags): New field.
3747 (df.flag): Deleted field.
3748 (df_alloc_function): Added additional bitmap parameter.
3749 (df_dependent_problem_function): New type.
3750 (df_problem.changeable_flags): New field.
3751 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3752 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3753 (df_mw_hardreg): New struct.
3754 (DF_INSN_UID_MWS): New macro.
3755 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3757 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3758 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3759 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3760 (df_set_state): Removed function.
3761 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3762 * df-problems.c (df_chain_dump): Removed df parameter.
3763 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3764 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3766 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3767 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3768 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3769 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3770 DF_REF_MUST_CLOBBER cases.
3771 (df_ru_bb_local_compute_process_def,
3772 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3773 df_lr_bb_local_compute, df_ur_bb_local_compute,
3774 df_chain_create_bb): Made subreg aware.
3775 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3776 df_lr_bb_local_compute, df_lr_bb_local_compute,
3777 df_chain_create_bb): Cleanup to use proper macros.
3778 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3779 code to fixup bitvectors.
3780 (df_ri_alloc): Cleared lifetime.
3781 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3782 df_create_unused_note): New function.
3783 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3784 REG_DEAD and REG_UNUSED notes as well as register information.
3785 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3786 df_chains_dump): Fixed crash if problem was never run.
3787 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3788 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3789 df_ri_add_problem): Processes flags in uniform manner.
3790 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3791 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3792 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3793 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3794 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3795 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3796 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3797 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3798 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3799 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3800 * see.c (see_initialize_data): Ditto.
3801 * final.c (rest_of_clean_state) Added regstack_completed.
3802 * rtl.h (regstack_completed): Ditto.
3803 * reg-stack.c (regstack_completed): Ditto.
3805 2006-05-19 Mike Stump <mrs@apple.com>
3807 * c-tree.h (default_conversion): Remove.
3808 * c-common.h (default_conversion): Add.
3810 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3812 * tree-vrp.c (valid_value_p): New function.
3813 (adjust_range_with_scev): Fail if the value of bound is not
3816 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3818 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3819 (mips_fallback_frame_state): Use syscall numbers to determine
3820 the appropriate li instruction for the current ABI. Only use
3821 __NR_sigreturn for o32.
3823 2006-05-19 Nicolas Setton <setton@adacore.com>
3825 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3826 * langhooks.c (lhd_dwarf_name): New function.
3827 * langhooks-def.h (lhd_dwarf_name): Declare.
3828 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3829 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3830 * ada/misc.c (gnat_dwarf_name): New function.
3831 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3833 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3835 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3837 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3838 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3839 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3840 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3841 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3842 determine the size of Wtype, etc.
3843 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3844 (swfloatfuncs): New variable.
3845 (dwfloatfuncs): Likewise.
3846 (lib2funcs): Remove floating-point conversion functions from
3847 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3848 the set of conversion routines needed. Allow entries to specify
3849 an object name, filename and word size. Update users accordingly.
3850 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3851 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3855 2006-02-08 Roger Sayle <roger@eyesopen.com>
3858 * config/fixtfdi.c: New libgcc source file.
3859 * config/fixunstfdi.c: New source file.
3860 * config/floatditf.c: New source file.
3861 * config/floatunditf.c: New souce file.
3862 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3863 files above instead of config/mips/_tilib.c.
3864 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3866 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3868 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3869 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3871 2006-05-18 Mike Stump <mrs@apple.com>
3873 Fix up vla, vm and [*] sematics.
3879 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3880 (c_vla_unspec_p): Add.
3881 (c_vla_type_p): Add.
3882 * c-decl.c (struct c_scope): Add had_vla_unspec.
3883 (build_array_declarator): Add support for [*].
3884 (grokdeclarator): Likewise.
3885 (grokparms): Likewise.
3886 (get_parm_info): Likewise.
3887 * c-objc-common.c (c_vla_unspec_p): Likewise.
3888 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3889 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3890 typeof when argument is a variably modified type not inside sizeof or alignof.
3891 (c_parser_direct_declarator_inner): Propagate errors.
3892 (c_parser_sizeof_expression): Add support for [*].
3893 (c_parser_parms_declarator): Initialize had_vla_unspec.
3894 (c_parser_parms_list_declarator): Likewise.
3895 * c-typeck.c (c_vla_type_p): Add.
3896 (composite_type): Add support for vla compositing.
3897 (comptypes_internal): Add support for vla compatibility.
3898 (c_expr_sizeof_expr): Evaluate vla arguments.
3899 * tree.c (variably_modified_type_p): Update comment for [*].
3901 2006-05-18 Michael Matz <matz@suse.de>
3904 * config.host: Make assignments to host_xmake_file cumulative.
3905 * config.host (*-darwin*): Test $host, not $target.
3907 2006-05-12 Stuart Hastings <stuart@apple.com>
3909 * config/i386/i386.opt (-mstackrealign): New flag.
3910 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3911 (ix86_handle_cconv_attribute): Emit error when
3912 force_align_arg_pointer attribute collides with too many regparms.
3913 (ix86_function_regparm): Limit regparms when used with
3914 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3915 Support stack-realigning prologue in non-main functions. Emit
3916 warning for nested functions under -mstackrealign, emit error for
3917 nested functions with force_align_arg_pointer attribute.
3918 * doc/extend.texi (force_align_arg_pointer): Document it.
3919 * doc/invoke.texi (-mstackrealign): Document it.
3921 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3923 PR rtl-optimization/27477
3924 * combine.c (try_combine): Don't split a parallel consisting
3925 of two sets into two individual sets if both sets reference
3928 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3930 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3931 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3933 * doc/options.texi (VarExists): Updated.
3935 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3937 * unwind-dw2.c: Add declarations for uw_update_context and
3939 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3940 detected, advance frame state and context once to skip over stub.
3942 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3946 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3947 Call rewrite_into_loop_closed_ssa only when something changed.
3948 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3949 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3950 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3951 Test for perfect_nest_p here. Fix formating.
3952 (replace_uses_equiv_to_x_with_y): Fix formating.
3953 (stmt_uses_op): Removed.
3954 (can_convert_to_perfect_nest): Removed loopivs parameter.
3955 Complete the test by checking the scalar dependences.
3956 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3959 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3962 From Dan Kegel <dank@kegel.com>:
3963 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3965 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3967 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3968 if the element type is variably modified without recursing.
3970 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3973 * tree-loop-linear.c (try_interchange_loops): Test for
3974 no data dependences.
3976 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3978 PR tree-optimization/27548
3979 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3980 range of ssa names that appear on abnormal edges.
3981 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3982 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3984 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3987 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3989 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3992 * tree.h (OMP_PARALLEL_COMBINED): Define.
3993 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3994 (new_omp_context): Add is_combined_parallel argument.
3995 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3996 new_omp_context caller.
3997 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3998 Adjust gimplify_scan_omp_clauses callers.
3999 (omp_is_private): Issue errors if iteration variable is firstprivate
4000 or reduction in the current context.
4001 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4002 on combined parallel workshare constructs.
4004 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4006 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4007 (gcc-options.o): New rule.
4009 * optc-gen.awk: Protect variables for gcc-options.o with
4010 #ifdef GCC_DRIVER/#endif.
4012 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4014 Fix PR tree-optimization/27373
4015 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4016 (forward_propagate_addr_expr): Update call.
4018 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4020 * doc/options.texi: Move the Negative option.
4022 2006-05-16 Richard Guenther <rguenther@suse.de>
4024 PR tree-optimization/22303
4025 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4027 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4028 ccp_fold did not simplify the statement.
4030 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4033 * Makefile.in (GCC_OBJS): New.
4034 (OBJS-common): Add opts-common.o.
4035 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4036 (cpp$(exeext)): Likewise.
4037 (gcc.o): Also depend on opts.h.
4038 (opts-common.o): New.
4040 * common.opt (gcoff): Add Negative(gdwarf-2).
4041 (gdwarf-2): Add Negative(gstabs).
4042 (gstabs): Add Negative(gstabs+).
4043 (gstabs+): Add Negative(gvms).
4044 (gvms): Add Negative(gxcoff).
4045 (gxcoff): Add Negative(gxcoff+).
4046 (gxcoff+): Add Negative(gcoff).
4047 * config/i386/i386.opt (m32): Add Negative(m64).
4048 (m64): Add Negative(m32).
4050 * doc/options.texi: Document the Negative option.
4052 * gcc.c: Include "opts.h".
4053 (main): Call prune_options after expandargv.
4055 * optc-gen.awk: Generate common declarations for all flag
4056 variables in options.c. Output the neg_index field.
4058 * opts.c (find_opt): Moved to ...
4059 * opts-common.c: Here. New file.
4061 * opts.h (cl_option): Add a neg_index field.
4063 (prune_options): Likewise.
4065 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4068 * omp-low.c (expand_omp_parallel): Don't assert
4069 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4070 instead search for it.
4073 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4076 2006-05-16 Andreas Schwab <schwab@suse.de>
4078 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4081 2006-05-15 Roger Sayle <roger@eyesopen.com>
4084 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4085 integer constants other than zero are only legitimate on TARGET_64BIT.
4086 <CONST_VECTOR> Only zero vectors are legitimate.
4087 (ix86_cannot_force_const_mem): Integral and vector constants can
4088 always be put in the constant pool.
4090 2006-05-16 DJ Delorie <dj@redhat.com>
4092 * crtstuff.c (__dso_handle): Set section from
4093 TARGET_LBIGCC_SDATA_SECTION if defined.
4094 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4095 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4097 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4100 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4103 2006-05-16 Ben Elliston <bje@au.ibm.com>
4105 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4107 2006-05-15 Per Bothner <per@bothner.com>
4109 * tree.c: (last_annotated_node): Use source_locus typedef.
4110 This permits bootstrapping with --enable-mapped-location.
4112 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4114 PR tree-optimization/26830
4115 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4116 (info_for_ssa_name, current_info_for_ssa_name_age,
4117 blocks_to_update): New variables.
4118 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4119 (clear_ssa_name_info, initialize_flags_in_bb,
4120 mark_block_for_update): New functions.
4121 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4122 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4123 prepare_def_site_for): Use mark_block_for_update.
4124 (mark_def_interesting): Assert that the processed block is marked in
4125 blocks_to_update. Do not take blocks argument.
4126 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4128 (rewrite_update_init_block, rewrite_update_stmt): Only process
4129 blocks with statements to rewrite.
4130 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4131 (update_ssa): Initialize and free blocks_to_update. Do not
4132 clear flags on statements. Do not use blocks bitmap.
4133 * tree.h (SSA_NAME_AUX): Removed.
4134 (struct tree_ssa_name): Removed aux field.
4135 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4137 2006-05-15 Richard Guenther <rguenther@suse.de>
4139 PR tree-optimization/27603
4140 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4141 Do computations in original type.
4143 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4145 * see.c: Code style changes such as redundant paranthesis,
4146 redundant intialization of local variables etc.
4147 (see_main): Declared now as static.
4148 * doc/invoke.texi: Update that -fsee is not enabled by
4151 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4153 * omp-low.c (check_omp_nesting_restrictions): New function.
4154 (scan_omp_1): Call it.
4157 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4158 construct, return *VAR.
4160 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4162 PR rtl-optimization/27406
4163 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4166 2006-05-14 Roger Sayle <roger@eyesopen.com>
4168 PR rtl-optimization/27538
4169 * combine.c (expand_compound_operation): Call gen_lowpart
4170 before calling simplify_shift_const.
4172 2006-05-14 Roger Sayle <roger@eyesopen.com>
4174 PR rtl-optimization/22563
4175 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4176 a fixed width bitfield, always force the intermediates into psuedos.
4178 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4181 * mkconfig.sh: Use operator = instead of == for test.
4183 2006-05-13 Nick Clifton <nickc@redhat.com>
4185 * dwarf2out.c (dbx_reg_number): Check return value from
4186 LEAF_REG_REMAP and only use it if it is valid.
4187 (multiple_reg_loc_descriptor): Likewise.
4189 2006-05-13 Richard Guenther <rguenther@suse.de>
4191 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4194 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4196 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4197 information attached to non-INSNs such as NOTEs.
4198 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4200 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4202 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4204 * config/s390/s390.md: Adjust comment describing On constraint.
4206 2006-05-11 Jan Hubicka <jh@suse.cz>
4208 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4209 to be output at -O0.
4211 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4214 * fold-const.c (size_binop): Move sanity check for arguments to
4215 the beginning of the function.
4218 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4221 2006-05-11 Richard Guenther <rguenther@suse.de>
4224 * fold-const.c (fold_unary): Handle intermediate conversion
4225 to a pointer type like intermediate conversion to an integer
4226 type in folding of (T1)(T2)var to var.
4227 Match the code to the comment in the final conversion for
4228 (T1)(T2)var to (T1)var regarding to type precision. Rather
4229 than disallow T1 being of pointer type, assert that both T1
4230 and var are of pointer type or not. Make sure not to fall
4231 over the frontends lazyness wrt array to pointer decay though.
4233 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4235 * arm.c (arm_struct_value_rtx): Delete.
4236 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4237 (arm_init_cumulative_args): Always initialize nregs to zero.
4239 2006-05-10 Richard Guenther <rguenther@suse.de>
4241 PR tree-optimization/27532
4242 * tree-object-size.c (plus_expr_object_size): Fix typo.
4244 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4247 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4248 ashrdi_const, ashrdi3): Use a scratch register.
4250 2006-05-10 Richard Guenther <rguenther@suse.de>
4252 PR tree-optimization/27302
4253 * fold-const.c (operand_equal_p): For two comparisons,
4254 try comparison of one comparison code swapped if that yields
4257 2006-05-10 Ben Elliston <bje@au.ibm.com>
4259 * tree-pretty-print.c (pretty_print_string): No need to handle
4260 '\0' as a special character.
4262 * tree.h: Include "hashtab.h".
4263 (iterative_hash_expr): Use hashval_t in its prototype.
4264 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4266 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4269 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4270 (hppa*64*-*-hpux11*): Ditto.
4271 (hppa[12]*-*-hpux11*): Ditto.
4273 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4276 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4278 2006-05-09 Michael Matz <matz@suse.de>
4280 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4281 host_extra_gcc_objs and host_xmake_file.
4282 (<*-*-linux*>): Don't overwrite host_xmake_file.
4283 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4284 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4285 (host_detect_local_cpu): Declare.
4286 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4287 * config/i386/i386.c (override_options): Handle -mtune=native
4289 * config/i386/x-i386: New file.
4290 * config/i386/driver-i386.c: New file.
4291 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4294 2006-05-09 Dirk Mueller <dmueller@suse.de>
4295 Richard Guenther <rguenther@suse.de>
4298 * fold-const.c (fold_read_from_constant_string): Relax check
4299 for matching types to matching modes.
4301 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4303 PR rtl-optimization/27335
4304 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4307 2006-05-08 Chao-ying Fu <fu@mips.com>
4308 Richard Sandiford <richard@codesourcery.com>
4310 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4311 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4312 * config/mips/mips.md (UNSPEC_SCC): New constant.
4313 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4314 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4315 (mips_emit_compare): Use it.
4316 (mips_expand_vcondv2sf): New function.
4318 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4320 Fix PR tree-optimization/27093
4321 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4322 renaming when they become not-used_alone.
4324 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4326 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4327 relocation and relocation stubs.
4329 2006-05-08 Eric Christopher <echristo@apple.com>
4331 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4334 2006-05-08 Jan Hubicka <jh@suse.cz>
4337 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4338 unused static functions are needed.
4340 2006-05-08 Roger Sayle <roger@eyesopen.com>
4343 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4344 of a reg_equiv_constant if the result is a legitimate constant.
4346 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4349 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4350 standard 80387 constants, raise the cost to prevent
4351 compress_float_constant() to generate load from memory.
4353 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4355 * config/arm/constraints.md (c): Fix a typo.
4357 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4360 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4363 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4365 (_mm_mwait): Likewise.
4367 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4369 (sse3_monitor): Make it 32bit only.
4370 (sse3_monitor64): New. 64bit monitor.
4372 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4375 * config/i386/i386.c (classify_argument): Skip fields with invalid
4378 2006-05-07 Richard Guenther <rguenther@suse.de>
4380 PR tree-optimization/27409
4381 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4382 Do not try to find zero-sized subvars.
4384 2006-05-07 Richard Guenther <rguenther@suse.de>
4386 PR tree-optimization/27136
4387 * tree-ssa-loop-niter.c (get_val_for): Correct function
4388 comment, assert requirements.
4389 (loop_niter_by_eval): Stop processing if the iterated
4390 value did not simplify.
4392 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4394 * opts.c (flag_see): remove its setting at -O3.
4396 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4398 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4399 * arm/constraints.md: New file.
4400 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4401 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4402 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4403 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4404 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4405 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4406 * arm.md: Include constraints.md.
4407 (thumb_movsi_insn): Use satisfies_constraint_J.
4408 (movhi, movqi): Use satisfies_constraint_I.
4410 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4412 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4413 for atmeg a645 device.
4415 2006-05-06 Richard Guenther <rguenther@suse.de>
4417 PR tree-optimization/27151
4418 * tree-vect-transform.c (vectorizable_condition): Punt on
4419 values that have a different type than the condition.
4421 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4424 * c-parser.c (c_parser_cast_expression): Only insert casts into
4425 hash table if pointer.
4426 * function.c (used_types_insert_helper): Rename from
4428 (used_types_insert): Call used_types_insert_helper.
4429 * function.h (used_types_insert): Accept only one argument.
4431 2006-05-05 David Edelsohn <edesohn@gnu.org>
4433 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4434 scratch with output modifier.
4436 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4439 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4440 with output modifier.
4442 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4445 * config/mips/mips.c (mips_symbolic_address_p): Return true
4446 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4447 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4449 2006-05-04 Richard Guenther <rguenther@suse.de>
4451 PR tree-optimization/14287
4452 PR tree-optimization/14844
4453 PR tree-optimization/19792
4454 PR tree-optimization/21608
4455 PR tree-optimization/27090
4456 * tree-ssa-pre.c (try_combine_conversion): New function.
4457 (compute_avail): After constructing the value-handle
4458 expression, use try_combine_conversion to combine NOP_EXPRs
4459 with previous value-handle expressions and use the result if it
4462 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4464 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4466 2006-05-04 Jan Hubicka <jh@suse.cz>
4469 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4471 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4473 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4474 that this only matches CONST_INTs. All users changed to VOIDmode
4477 * config/bfin/bfin.c: Include "optabs.h".
4478 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4480 (enum bfin_builtins): Add a number of fractional and vector builtins.
4481 (bfin_init_builtins): Likewise.
4482 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4483 (safe_vector_operand, bfin_expand_binop_builtin,
4484 bfin_expand_unop_builtin): New functions.
4485 (bfin_expand_builtin): Handle the new builtins.
4486 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4489 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4492 * Makefile.in (OBJS-common): Add see.o.
4493 (see.o): Add dependencies.
4494 * common.opt (fsee): New flag for the see optimization was added.
4495 * opts.c (flag_see): Initialized.
4496 * passes.c (init_optimization_passes, pass_see): New pass.
4497 * rtl.h (see_main): Declaration as extern.
4498 * timevar.def (TV_SEE): New.
4499 * tree-pass.h (pass_see): Declaration as extern.
4500 * invoke.texi (-fsee): Document.
4501 * recog.c (validate_simplify_insn): New function.
4502 * recog.h (validate_simplify_insn): Declaration as extern.
4503 * df-problems.c (df_chain_dump): Check for NULL.
4505 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4506 Daniel Berlin <dberlin@dberlin.org>
4508 * cfgrtl.c (insert_insn_bb_end_new): New function.
4509 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4511 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4513 * df.h (struct web_entry): Moved from web.c.
4514 (union_defs): Declaration as extern.
4515 (unionfind_root): Likewise.
4516 (unionfind_union): Likewise.
4517 * web.c (struct web_entry): Moved to df.h.
4518 (unionfind_root): Remove static declaration.
4519 (unionfind_union): Likewise.
4520 (union_defs): Likewise and generalize to use callback function.
4521 (web_main): Update arguments for union_defs function call.
4523 2006-05-04 Richard Guenther <rguenther@suse.de>
4525 PR tree-optimization/26447
4526 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4527 produce SSA_NAME copies before the store stmt to avoid
4528 breaking exception handling.
4530 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4533 * gimplify.c (omp_is_private): If var is shared in some outer context,
4534 return false instead of true. Stop searching on parallel context
4537 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4540 * coverage.c: Use get_gcov_unsigned_t() instead of
4541 unsigned_type_node all over.
4543 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4545 PR tree-optimization/27381
4546 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4547 maintain the same immediate_use links.
4548 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4549 node rather than segfaulting.
4551 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4554 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4555 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4556 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4558 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4560 Fix PR tree-optimization/26626
4561 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4563 * tree-ssa-operands.c (access_can_touch_variable): Allow
4564 typecasting through union pointers.
4566 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4569 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4570 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4571 to find if var will be a global variable even in the nested context.
4572 (omp_copy_decl): Only check for global variable at the end, it might
4573 be overridden in outer contexts.
4574 (scan_sharing_clauses): For global variables don't create a field.
4575 (lower_rec_input_clauses): Do nothing for global shared variables.
4576 Emit a barrier at the end of ILIST if there were any decls in both
4577 firstprivate and lastprivate clauses.
4578 (lower_send_clauses): Do nothing for global variables except for
4581 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4583 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4584 of the correct signedness is returned.
4586 2006-05-02 Jeff Law <law@redhat.com>
4588 PR tree-optimization/27364
4589 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4590 multiply expressions.
4592 2006-05-02 Tom Tromey <tromey@redhat.com>
4594 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4596 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4599 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4600 -mthumb -fPIC are used.
4602 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4603 Joshua Kinard <kumba@gentoo.org>
4606 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4607 with 64-bit pointers.
4609 2006-05-02 Paul Brook <paul@codesourcery.com>
4611 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4613 (create_fix_barrier): Check that a suitable barrier location is
4615 (arm_reorg): Include ftmp->address in allowable range of addresses.
4617 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4620 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4623 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4626 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4627 around RESULT_DECL for result passed by reference.
4628 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4629 * omp-low.c (use_pointer_for_field): Don't look at
4630 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4631 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4632 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4633 time or var for passing by reference for
4634 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4635 TREE_ADDRESSABLE variables when passing by reference.
4637 * omp-low.c (dump_omp_region): Fix output formatting.
4640 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4641 (expand_omp_parallel): Likewise.
4642 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4645 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4646 on statement list containing also constructors and destructors.
4647 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4650 * except.c (duplicate_eh_regions): Fix clearing of
4651 cfun->eh->region_array entries.
4653 2006-05-01 DJ Delorie <dj@redhat.com>
4655 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4657 (gcc_cv_objdump): Likewise.
4658 * configure: Regenerated.
4660 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4663 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4664 templates for case 3 and 4.
4666 2006-05-01 DJ Delorie <dj@redhat.com>
4668 * vec.c: Include bconfig.h when appropriate.
4669 * Makefile.in (build/vec.o): Adjust dependencies.
4670 * mkconfig.sh: Make sure config.h isn't used for build machine
4673 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4675 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4677 (mark_phi_for_rewrite): New function.
4678 (insert_phi_nodes_for, mark_use_interesting): Call
4679 mark_phi_for_rewrite.
4680 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4681 (update_ssa): Initialize and free phis_to_rewrite.
4683 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4685 PR rtl-optimization/27291
4686 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4687 folded to a constant.
4689 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4691 PR tree-optimization/27283
4692 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4693 not whole # of iteration descriptions.
4694 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4695 uses abnormal ssa name.
4696 (niter_for_single_dom_exit): Ditto.
4697 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4698 return just the number of iterations.
4700 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4702 PR tree-optimization/27144
4703 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4704 (record_estimate): Only record constant upper bound.
4705 (infer_loop_bounds_from_undefined): Call
4706 compute_estimated_nb_iterations just once.
4707 (proved_non_wrapping_p): Renamed to ...
4708 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4709 (convert_step_widening, scev_probably_wraps_p): Call
4710 n_of_executions_at_most instead of proved_non_wrapping_p.
4711 (substitute_in_loop_info): Do not replace values in bounds.
4712 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4715 2006-05-01 Richard Henderson <rth@redhat.com>
4718 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4719 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4722 2006-05-01 Roger Sayle <roger@eyesopen.com>
4724 * c-typeck.c (parser_build_binary_op): Don't call the function
4725 unsigned_conversion_warning to spot operand/result type overflow.
4726 (build_binary_op): Instead, call convert_and_check instead of
4727 convert to report the problem when the operands are promoted.
4728 * c-common.c (unsigned_conversion_warning): Make static.
4729 * c-common.h (unsigned_conversion_warning): Delete prototype.
4731 2006-05-01 Richard Guenther <rguenther@suse.de>
4733 PR tree-optimization/26726
4734 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4736 (find_interesting_uses_address): ... we work around here
4737 by folding INDIRECT_REFs in the substituted base.
4739 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4741 * omp-low.c (dump_omp_region): Add newlines.
4743 2006-04-30 Roger Sayle <roger@eyesopen.com>
4745 * common.opt (Woverflow): New command line option.
4746 * c-common.c (constant_expression_warning): Check warn_overflow.
4747 (overflow_waring): Pass OPT_Woverflow to warning.
4748 (unsigned_conversion_warning): Likewise.
4749 (convert_and_check): Likewise.
4750 * doc/invoke.texi: Document new command line option.
4752 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4754 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4755 TARGET_NO_FP_IN_TOC for section anchors.
4756 (optimization_options): Enable section anchors for all
4757 non-"Objective" languages.
4759 2006-04-28 Eric Christopher <echristo@apple.com>
4761 * config/darwin-c.c (darwin_ms_struct): Move this
4762 (darwin_set_default_type_attributes): and this...
4763 * config/darwin.c: ... here.
4764 * config/darwin.h (darwin_ms_struct): Declare.
4766 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4768 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4770 2006-04-28 Roger Sayle <roger@eyesopen.com>
4773 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4774 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4775 an unsigned HOST_WIDE_INT.
4776 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4778 (really_start_incremental_init): No need to call convert because
4779 bitsize_zero_node is already of type bitsizetype.
4780 (push_init_level): Extract the value of constructor_index as an
4781 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4782 (process_init_element): Likewise.
4784 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4786 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4787 value before passing to make_relative_prefix.
4789 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4792 * builtins.c (expand_builtin_memset): Expand val in original mode.
4794 2006-04-27 Eric Christopher <echristo@apple.com>
4796 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4797 with #ifndef/#endif.
4798 * config/darwin-c.c (darwin_ms_struct): New.
4799 (darwin_pragma_ms_struct): Ditto.
4800 (darwin_set_default_type_attributes): Ditto.
4801 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4802 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4803 Register ms_struct pragma.
4804 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4805 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4806 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4807 darwin_set_default_type_attributes if TARGET_MACHO.
4809 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4811 PR tree-optimization/26854
4812 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4813 * doc/tree-ssa.texi: Update immuse iterator documentation.
4814 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4815 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4816 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4817 first_safe_imm_use, next_safe_imm_use): Remove.
4818 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4819 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4820 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4821 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4822 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4823 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4824 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4825 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4826 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4827 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4828 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4829 (perfect_nestify): Use new iterator.
4830 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4832 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4833 (next_imm_name): New field in struct immediate_use_iterator_d.
4834 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4835 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4836 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4837 * tree-cfg.c (replace_uses_by): Use new iterator.
4838 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4839 * tree-ssa-operands.c (correct_use_link): Remove.
4840 (finalize_ssa_use_ops): No longer call correct_use_link.
4842 2006-04-27 Stuart Hastings <stuart@apple.com>
4844 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4845 * config/t-darwin (crt3.o): Use it.
4846 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4847 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4848 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4849 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4850 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4853 2006-04-27 Roger Sayle <roger@eyesopen.com>
4855 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4856 size, force the intermediate into a new pseudo rather instead of
4857 performing both a bitwise AND and a bitwise IOR in memory.
4859 2006-04-27 Richard Guenther <rguenther@suse.de>
4861 PR rtl-optimization/26685
4862 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4863 this one "max-flow-memory-locations".
4865 2006-04-27 Richard Guenther <rguenther@suse.de>
4867 PR tree-optimization/25148
4868 * tree-vrp.c (compare_values): Remove code dealing with
4869 comparisons against type min/max value. Honour overflow
4870 and negative constants in code dealing with comparisons
4871 of plus and minus expressions.
4872 (value_inside_range): Use fold_binary with LE_EXPR and
4873 GE_EXPR rather than compare_values.
4875 2006-04-27 Dirk Mueller <dmueller@suse.de>
4877 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4880 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4882 * basic-block.h (safe_insert_insn_on_edge): Removed.
4883 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4885 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4886 Paolo Bonzini <bonzini@gnu.org>
4889 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4890 (simplify_and_const_int): Same.
4892 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4894 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4896 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4899 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4900 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4901 cgraph_global_info_ready.
4904 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4907 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4908 either decl or init is error_mark_node.
4911 * tree-flow.h (struct omp_region): Add sched_kind.
4912 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4913 instead of extracting omp for data.
4914 (expand_omp_for): Save extracted sched_kind.
4916 2006-04-25 Roger Sayle <roger@eyesopen.com>
4918 * expmed.c (store_bit_field): Also check whether the bitsize is
4919 valid for the machine's "insv" instruction before moving the
4920 target into a pseudo for use with the insv.
4921 * config/i386/predicates.md (const8_operand): New predicate.
4922 * config/i386/i386.md (extv, extzv, insv): Use the new
4923 const8_operand predicate where appropriate.
4925 2006-04-25 DJ Delorie <dj@redhat.com>
4927 * doc/install.texi (Specific): Clarify that this is not a list of
4928 supported hosts or targets.
4930 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4932 PR rtl-optimization/26725
4933 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4934 block's BB_DIRTY flag.
4936 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4938 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4941 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4942 to print an integer.
4944 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4946 * varasm.c (align_variable): New function.
4947 (get_block_for_decl): Apply align_variable to DECL before
4948 calculating section information.
4949 (assemble_variable): Split out alignment computation.
4951 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4953 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4956 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4958 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4959 MODE_PARTIAL_INT mode.
4960 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4961 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4963 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4964 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4966 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4968 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4970 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4971 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4972 MACFLAG_IH): Likewise.
4973 (movstricthi_1): Renamed from "*movstricthi".
4974 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4975 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4976 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4977 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4978 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4979 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4980 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4981 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4982 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4983 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4984 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4985 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4986 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4987 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4988 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4990 * doc/rtl.texi (ss_ashift): Improve wording.
4992 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4994 * dwarf2out.c (verify_marks_clear): New.
4995 (prune_unused_types): Call verify_marks_clear initially, not
4998 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5000 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5001 * doc/rtl.texi: Document them.
5002 * simplify-rtx.c (simplify_unary_operation,
5003 simplify_binary_operation_1): Don't abort when we see them.
5005 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5008 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5009 * configure.ac: Completely disregard languages that are not
5011 * configure: Regenerated.
5013 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5014 Richard Guenther <rguenther@suse.de>
5016 PR tree-optimization/27236
5017 * tree-inline.c (copy_body_r): Make sure to copy
5018 TREE_THIS_VOLATILE flag.
5020 2006-04-24 Richard Guenther <rguenther@suse.de>
5023 * tree-complex.c (update_parameter_components): Don't handle
5024 unused parameters which have no default def.
5026 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5027 Richard Guenther <rguenther@suse.de>
5029 PR tree-optimization/27218
5030 * tree-inline.c (expand_call_inline): Strip useless type
5031 conversions for the return slot address.
5033 2006-04-24 Richard Guenther <rguenther@suse.de>
5035 * cfgloop.h (struct loops): Remove unused field array. Reorder
5037 (LOOP_PREFETCH): Remove.
5039 2006-04-24 Richard Guenther <rguenther@suse.de>
5041 PR tree-optimization/22525
5042 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5043 variable, adjust types of generated expressions.
5045 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5047 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5048 (tree-vect-patterns.o): Likewise.
5050 (cselib.o): Likewise.
5051 (loop-doloop.o): Likewise.
5052 (regclass.o): Likewise.
5053 (reload1.o): Likewise.
5054 (explow.o): Replace target.h with $(TARGET_H).
5055 (ipa-prop.o): Likewise.
5056 (ipa-cp.o): Likewise.
5057 (ipa-inline.o): Likewise.
5058 (reorg.o): Likewise.
5059 (reg-stack.o): Likewise.
5061 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5063 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5065 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5067 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5069 * configure.ac: Completely disregard languages that are not
5071 * configure: Regenerated.
5074 * c-common.h (c_build_bitfield_integer_type): Declare.
5075 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5076 * c-common.c (c_build_bitfield_integer_type): ... here.
5078 2006-04-23 Roger Sayle <roger@eyesopen.com>
5081 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5082 a SImode SUBREG of a floating point register after no_new_pseudos.
5084 2006-04-23 Roger Sayle <roger@eyesopen.com>
5086 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5087 identify potentially eliminable registers to additionally catch
5088 VIRTUAL_INCOMING_ARGS_REGNUM.
5089 (addsi3): Update the conditions on when to use addsi_small_int.
5091 2006-04-23 Roger Sayle <roger@eyesopen.com>
5094 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5095 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5096 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5098 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5100 * fold-const.c (range_predecessor): Use operand_equal_p
5101 as the predicate for equality.
5102 (range_successor): Likewise.
5104 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5107 * config/soft-fp/op-common.h: Fix a typo.
5109 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5112 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5113 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5115 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5117 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5119 * doc/tm.texi: Fix a typo.
5121 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5123 * dwarf2out.c (struct die_struct): Document that die_sib makes
5124 a circular linked list.
5125 (FOR_EACH_CHILD): New.
5126 (reverse_die_lists): Delete.
5127 (reverse_all_dies): Delete.
5128 (add_dwarf_attr): Correct documentation.
5129 (remove_child_with_prev): New.
5130 (remove_child_TAG): Update for change to die_struct, use
5131 remove_child_with_prev.
5132 (add_child_die): Update for change to die_struct.
5133 (splice_child_die): Use remove_child_with_prev and add_child_die.
5134 (print_die): Use FOR_EACH_CHILD.
5135 (die_checksum): Likewise.
5136 (assign_symbol_names): Likewise.
5137 (output_location_lists): Likewise.
5138 (build_abbrev_table): Likewise.
5139 (calc_die_sizes): Likewise.
5140 (mark_dies): Likewise.
5141 (unmark_dies): Likewise.
5142 (unmark_all_dies): Likewise.
5143 (output_die): Likewise.
5144 (prune_unused_types_mark): Likewise.
5145 (prune_unused_types_walk): Likewise.
5146 (same_die_p): Update for change to die_struct.
5147 (break_out_includes): Likewise.
5148 (prune_unused_types_prune): Likewise.
5149 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5150 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5152 (dwarf2out_finish): Don't call reverse_all_dies.
5154 2006-04-21 Eric Christopher <echristo@apple.com>
5156 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5157 in comments and function names.
5159 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5162 * c-typeck.c (digest_init): Robustify.
5164 * c-typeck.c (pop_init_level): Simplify.
5166 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5168 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5170 2006-04-21 Paul Brook <paul@codesourcery.com>
5172 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5173 hardware floating point.
5175 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5177 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5180 2006-04-21 Nick Clifton <nickc@redhat.com>
5182 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5185 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5188 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5189 C++ lang type in traceback table for Objective-C++.
5191 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5193 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5195 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5197 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5200 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5201 were errors. Remove check for erroneous objects.
5203 2006-04-20 Jeff Law <law@redhat.com>
5205 PR tree-optimization/26854
5206 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5207 checking for zero or one use.
5208 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5209 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5210 * tree-ssa-reassoc.c (negate_value): Similarly.
5211 (reassociate_bb): Similarly.
5213 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5215 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5216 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5217 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5219 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5221 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5222 fp regs if the last fp arg doesn't fit in regs.
5224 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5227 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5228 that the last insn has the REG_INC note.
5230 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5231 Nathan Sidwell <nathan@codesourcery.com>
5234 * stor-layout.c (update_alignment_for_field): Do not align
5236 (place_union_field): Place union field at the start of the union.
5237 (place_field): Move ERROR_MARK check later, and use the current
5238 allocation position to maintain monotonicity.
5240 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5242 * dominance.c: Include timevar.h.
5243 (calculate_dominance_info): Use TV_DOMINANCE.
5244 * timevar.def (TV_DOMINANCE): New timevar.
5245 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5247 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5249 PR rtl-optimization/14261
5250 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5251 move would be an INSV insn.
5252 (noce_process_if_block): Don't optimize if the destination is a
5253 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5255 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5257 * config/s390/s390.md: Add comments with the instructions emitted
5258 by an insn pattern if macros are used.
5260 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5262 PR rtl-optimization/26026
5263 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5264 is a known power of two shifted left a variable amount.
5266 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5268 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5269 to hash table twice when the debug_str section has SECTION_MERGE.
5271 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5273 * config/soft-fp: New directory. From glibc.
5274 * config/soft-fp/t-softfp: New.
5275 * config/soft-fp/README: New.
5276 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5277 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5278 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5279 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5280 * config.gcc: Use rs6000/t-fprules-fpbit or
5281 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5283 * config/rs6000/sfp-machine.h: New. Based on glibc.
5284 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5286 * config/rs6000/t-fprules: Remove fp-bit rules.
5287 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5288 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5289 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5290 (softfp_wrap_start, softfp_wrap_end): New.
5292 2006-04-18 DJ Delorie <dj@redhat.com>
5294 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5296 2006-04-18 Devang Patel <dpatel@apple.com>
5298 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5300 2006-04-18 Nick Clifton <nickc@redhat.com>
5302 * config/sh/t-symbian: Add rule to build sh-c.o
5303 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5304 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5305 (sh_symbian_encode_section_info): Likewise.
5307 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5309 * builtins.c (expand_builtin_strcmp): Cover label definition of
5310 do_libcall with HAVE_cmpstrnsi.
5312 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5314 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5316 * function.h (temp_slot_p): New.
5317 (function): Change the type of x_used_temp_slots to
5318 VEC(temp_slot_p,gc) *.
5320 2006-04-18 Nick Clifton <nickc@redhat.com>
5322 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5323 flag_strength_reduce.
5325 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5327 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5331 Partial revert of revision 112637
5332 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5333 Dale Johannesen <dalej@apple.com>
5336 * regclass.c (struct reg_pref): Update documentation.
5337 (regclass): Set prefclass to NO_REGS if memory is the best option.
5338 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5340 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5342 PR tree-optimization/26821
5343 * tree-ssa-math-opts.c (get_constant_one): New.
5344 (insert_reciprocals): Use it.
5346 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5348 * dwarf2out.c (free_AT): Delete.
5349 (remove_AT): Update string ref counts.
5350 (remove_child_TAG): Don't call free_die.
5352 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5353 or DW_TAG_GNU_EINCL.
5354 (prune_unused_types_walk_attribs): Reset string refcounts.
5355 (prune_unused_types_update_strings): New.
5356 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5357 call free_die. Do call prune_unused_types_update_strings.
5358 (prune_unused_types): Empty debug_str_hash.
5360 2006-04-17 Roger Sayle <roger@eyesopen.com>
5362 * expr.c (expand_assignment): Optimize away no-op moves where the
5363 source and destination are equal and have no side-effects.
5365 2006-04-17 Richard Guenther <rguenther@suse.de>
5368 * reload.c (push_reload): Guard calls to get_secondary_mem
5371 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5373 * alias.c (reg_base_value, old_reg_base_value): Change the
5374 type to VEC(rtx,gc) *.
5375 (REG_BASE_VALUE, find_base_value, record_set,
5376 init_alias_analysis): Use VEC instead of VARRAY.
5378 * alias.c (alias_sets): Change the type to
5379 VEC(alias_set_entry,gc) *.
5380 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5381 VEC instead of VARRAY.
5382 (last_alias_set): Remove.
5384 * cgraph.h (cgraph_edge_p): New.
5385 Update the prototype of cgraph_function_versioning.
5386 * cgraphunit.c (cgraph_copy_node_for_versioning,
5387 cgraph_function_versioning): Use VEC instead of VARRAY.
5388 * ipa-cp.c (ipcp_insert_stage): Likewise.
5390 2006-04-16 Roger Sayle <roger@eyesopen.com>
5393 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5394 "A op B" or "A op C", we may need to convert A to the type of B and C.
5396 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5398 * target.h (struct gcc_target): Add mode_rep_extended.
5399 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5400 (init_num_sign_bit_copies_in_rep): Initialize it using
5402 (truncate_to_mode): Use it.
5403 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5404 * targhooks.h (default_mode_rep_extended): Declare it.
5405 * targhooks.c (default_mode_rep_extended): Define it.
5406 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5407 default_mode_rep_extended.
5408 (TARGET_INITIALIZER): Include it.
5409 * doc/tm.texi (Misc): Document it.
5410 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5411 (mips_truncated_to_mode): New function.
5413 2006-04-16 Roger Sayle <roger@eyesopen.com>
5416 * expr.c (compress_float_constant): Copy the narrow constant into
5417 a new pseudo before extending it to its final width.
5419 2006-04-16 Roger Sayle <roger@eyesopen.com>
5420 Andrew Pinski <pinskia@gcc.gnu.org>
5421 Dale Johannesen <dalej@apple.com>
5424 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5425 special case code to implement V8HImode and V16QImode with SSE2.
5427 2006-04-15 Roger Sayle <roger@eyesopen.com>
5429 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5430 trees are constructed with a suitable tree type.
5432 2006-04-15 Roger Sayle <roger@eyesopen.com>
5434 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5435 (integer_onep): Likewise.
5436 (integer_all_onesp): Likewise.
5437 (integer_pow2p): Likewise.
5438 (integer_nonzerop): Likewise.
5439 (real_zerop): Likewise.
5440 (real_onep): Likewise.
5441 (real_twop): Likewise.
5442 (real_minus_onep): Likewise.
5443 (int_size_in_bytes): Likewise.
5444 (host_integerp): Likewise.
5446 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5448 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5449 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5450 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5452 * tree-ssa-structalias.h (alias_info): Remove num_references.
5454 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5456 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5457 (output_bvb patterns): Likewise.
5458 * pa.c (output_bb): Use 'bb' insn for long branch case.
5459 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5460 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5461 1. Correct length operand for alternatives 1 and 2.
5462 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5463 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5465 2006-04-14 Roger Sayle <roger@eyesopen.com>
5467 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5468 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5469 were accidentally reverted by r112959.
5471 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5474 * except.h (eh_region_outermost): New prototype.
5475 * except.c (eh_region_outermost): New function.
5476 * tree-cfg.c (find_outermost_region_in_block): Use it.
5478 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5480 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5482 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5483 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5484 (init_reload, reload): Use VEC instead of VARRAY.
5485 * reload.h: Update the prototype for
5486 reg_equiv_memory_loc_varray.
5488 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5489 Eric Botcazou <ebotcazou@libertysurf.fr>
5491 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5494 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5497 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5498 to expand fallback builtin function call.
5500 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5503 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5504 and emit libcall here in case the builtin fails.
5505 (expand_builtin_strcmp): Always emit the libcall here on failure.
5507 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5509 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5510 * flow.c (reg_n_info): Change the type to
5511 VEC(reg_info_p,heap) *.
5512 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5514 * regs.h (reg_info_p): New.
5515 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5516 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5517 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5520 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5522 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5524 * params.h (MAX_SCHED_READY_INSNS): New macro.
5525 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5526 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5527 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5528 the ready list for 1 cycle during the first scheduling pass.
5529 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5531 2006-04-13 Richard Henderson <rth@redhat.com>
5534 * gimple-low.c (lower_omp_directive): Remove dead code.
5535 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5536 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5537 * omp-low.c (struct omp_region): Move to tree-flow.h.
5538 (root_omp_region): Export.
5539 (omp_regions, lookup_omp_region): Remove.
5540 (determine_parallel_type): Update for struct omp_region changes.
5541 (dump_omp_region): Dump regions with block numbers.
5542 (new_omp_region): Take type and block instead of stmt; malloc
5544 (free_omp_region_1, free_omp_regions): New.
5545 (expand_parallel_call): Take entry_stmt as argument; update for
5546 changes to omp_region.
5547 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5548 (remove_exit_barriers): New.
5549 (expand_omp_parallel): Update for struct omp_region changes.
5550 (expand_omp_synch): Likewise.
5551 (expand_omp): Likewise.
5552 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5553 (expand_omp_for_static_chunk): Likewise.
5554 (expand_omp_for): Likewise.
5555 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5556 (expand_omp_sections): Similarly, with GOMP_sections_end.
5557 (expand_omp_single): New.
5558 (build_omp_regions_1): Update for OMP_CONTINUE.
5559 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5560 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5561 OMP_SECTIONS_SECTIONS.
5562 (lower_omp_single_simple): Don't emit barrier here.
5563 (lower_omp_single_copy): Likewise.
5564 (lower_omp_single): Fix bindings, and lower to straightline now.
5565 (lower_omp_master, lower_omp_ordered): Likewise.
5566 (lower_omp_critical): Likewise.
5567 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5568 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5569 omp edges, free it afterward.
5570 (make_omp_sections_edges): Remove.
5571 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5572 (move_stmt_r): Handle OMP_CONTINUE.
5573 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5574 statement pointers to basic blocks. Add type member.
5575 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5576 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5577 * tree-inline.c (estimate_num_insns_1): Likewise.
5578 * tree-pretty-print.c (dump_generic_node): Likewise.
5579 * tree-ssa-operands.c (get_expr_operands): Likewise.
5580 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5581 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5582 (OMP_CONTINUE): New.
5583 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5584 (OMP_SECTIONS_SECTIONS): Remove.
5585 (OMP_SECTION_LAST): New.
5586 (OMP_RETURN_NOWAIT): New.
5588 2006-04-13 Roger Sayle <roger@eyesopen.com>
5590 * fold-const.c (native_encode_vector, native_interpret_real):
5591 Correct obvious mistakes in the previous check-in.
5593 2006-04-13 Roger Sayle <roger@eyesopen.com>
5595 * fold-const.c (native_encode_expr): New function to encode
5596 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5597 or VECTOR_CST into a specified buffer.
5598 (native_encode_int): New function.
5599 (native_encode_real): New function.
5600 (native_encode_complex): New function.
5601 (native_encode_vector): New function.
5602 (native_interpret_expr): Inverse of native_encode_expr to convert
5603 a target representation into an INTEGER_CST, REAL_CST etc...
5604 (native_interpret_int): New function.
5605 (native_interpret_real): New function.
5606 (native_interpret_complex): New function.
5607 (native_interpret_vector): New function.
5608 (fold_view_convert_expr): New function to constant fold/evaluate
5609 a VIEW_CONVERT_EXPR of a suitable constant expression.
5610 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5611 Change call of build1 to fold_build1 when constructing a
5614 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5615 Ulrich Weigand <uweigand@de.ibm.com>
5618 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5621 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5624 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5625 optimize to lo_sum for DFmode if !TARGET_FPRS.
5627 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5629 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5630 delete_alias_info, compute_flow_sensitive_aliasing,
5631 group_aliases): Use VEC instead of VARRAY.
5632 * tree-ssa-structalias.c (update_alias_info): Likewise.
5633 * tree-ssa-structalias.h (alias_info): Change the type of
5634 processed_ptrs to VEC(tree,heap) *.
5636 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5639 * config/sh/lib1funcs.h: New file, broken out of:
5640 * config/sh/lib1funcs.asm.
5641 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5643 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5644 * config/sh/lib1funcs-Os-4-200.asm: New file.
5645 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5646 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5647 (EXTRA_MULTILIB_PARTS): Include it.
5648 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5649 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5650 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5651 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5654 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5656 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5657 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5658 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5660 * tree-ssa-live.h: Include vecprim.h.
5661 (tree_partition_associator_d): Change the type of
5662 first_partition to VEC(int,heap) *.
5663 (tpa_first_partition): Use VEC instead of VARRAY.
5665 * Makefile.in (GTFILES): Move functions.h after tree.h.
5666 * function.c (reset_block_changes, record_block_change,
5667 check_block_change, free_block_changes): Use VEC instead of
5669 * function.h (function): Change the type of
5670 ib_boundaries_block to VEC(tree,gc) *.
5671 * tree-inline.c (copy_cfg_body): Initialize
5672 ib_boundaries_block to NULL instead of (varray_type) 0.
5674 2006-04-12 Roger Sayle <roger@eyesopen.com>
5676 * expr.c (emit_group_store): Correct operand order in call to
5677 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5678 a SUBREG_BYTE of zero.
5680 2006-04-12 Richard Guenther <rguenther@suse.de>
5682 * profile.c (compute_branch_probabilities): Remove code
5683 encapsulated in !ir_type (), which are remanents of the
5684 removed RTL profiling code.
5685 * rtl-profile.c: Remove.
5687 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5689 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5690 magic NULL_RTX comment.
5691 (function_arg): Store entire fp arg to mem if any part should go
5693 (rs6000_arg_partial_bytes): Adjust for above change.
5695 2006-04-11 Roger Sayle <roger@eyesopen.com>
5697 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5698 if it hasn't been initialized by dwarf2out_init.
5700 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5702 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5703 symbolic constants in branch patterns.
5705 2006-04-11 Roger Sayle <roger@eyesopen.com>
5707 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5709 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5711 PR rtl-optimization/27073
5712 * gcse.c (try_replace_reg): Revert last change. Continue to search
5713 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5716 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5718 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5719 aggregate types other than record and union types.
5720 (function_arg): Likewise.
5721 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5723 (function_value): In 64-bit mode, return objects that require it
5726 2006-04-11 Roger Sayle <roger@eyesopen.com>
5728 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5730 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5732 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5734 2006-04-03 Jeff Law <law@redhat.com>
5737 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5738 alias information too.
5740 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5742 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5744 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5747 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5748 (premark_used_types_helper): New.
5749 (premark_used_types): New.
5750 (gen_subprogram_die): Call premark_used_types.
5751 (prune_unused_types_walk): Do not prune perennial dies.
5752 * function.c (used_types_insert): New.
5753 * function.h (struct function): Add used_types_hash field.
5754 (used_types_insert): Add prototype.
5755 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5756 * c-parser.c (c_parser_cast_expression): Save casted types in used
5759 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5762 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5763 rs6000_explicit_options.float_gprs.
5765 2006-04-10 Roger Sayle <roger@eyesopen.com>
5767 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5768 from ix86_expand_vector_init_low_nonzero. Take an additional
5769 one_var argument indicating which element is non-zero. Support
5770 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5771 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5772 with one_var instead of ix86_expand_vector_init_low_nonzero.
5774 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5776 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5777 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5778 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5779 build/genextract.o): Depend on vecprim.h.
5780 * cfglayout.c, df-problems.c, function.c, genextract.c,
5781 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5782 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5786 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5788 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5789 Declare VECs of this type.
5790 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5791 (remove_children): Delete.
5792 (add_dwarf_attr): Use VEC routines.
5793 (add_AT_flag): Update for changes to add_dwarf_attr.
5794 (add_AT_int): Likewise.
5795 (add_AT_unsigned): Likewise.
5796 (add_AT_long_long): Likewise.
5797 (add_AT_vec): Likewise.
5798 (add_AT_string): Likewise.
5799 (add_AT_die_ref): Likewise.
5800 (add_AT_fde_ref): Likewise.
5801 (add_AT_loc): Likewise.
5802 (add_AT_loc_list): Likewise.
5803 (add_AT_addr): Likewise.
5804 (add_AT_lbl_id): Likewise.
5805 (add_AT_lineptr): Likewise.
5806 (add_AT_macptr): Likewise.
5807 (add_AT_offset): Likewise.
5808 (add_AT_range_list): Likewise.
5809 (get_AT): Use VEC_iterate.
5810 (remove_AT): Use VEC_ordered_remove.
5811 (free_die): Fold remove_children into here; have it use VEC_iterate.
5812 (print_die): Use VEC_iterate on attrs.
5813 (reverse_die_lists): Don't reverse attr lists.
5814 (die_checksum): Use VEC_iterate on attrs.
5815 (same_die_p): Likewise.
5816 (output_location_lists): Likewise.
5817 (build_abbrev_table): Likewise.
5818 (size_of_die): Likewise.
5819 (unmark_all_dies): Likewise.
5820 (output_abbrev_section): Likewise.
5821 (output_die): Likewise.
5822 (prune_unused_types_walk_attribs): Likewise.
5824 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5826 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5828 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5831 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5833 2006-04-09 Roger Sayle <roger@eyesopen.com>
5835 * expr.c (store_constructor): Don't bother clearing target if
5836 we're about to assign a vector to it using vec_init_optab.
5838 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5840 * tree-ssa-alias.c (lhs_may_store_to): New function.
5841 (recalculate_used_alone): Handle LHS of calls.
5843 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5847 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5848 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5849 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5850 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5851 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5852 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5853 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5854 stubs. Add ".align 8" directives before all ".dword" directives.
5855 (GTHREAD_USE_WEAK): Revise comment.
5856 (TARGET_ATTRIBUTE_WEAK): Define.
5857 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5858 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5859 * stublib.c: New file.
5864 * pa.md (cbranch patterns): Revise arguments used in calls to
5865 output_cbranch, output_bb and output_bvd. Add long branch length
5867 (fbranch patterns): Handle long branches.
5868 (jump): Revise length check. Revise arguments for output_lbranch call.
5869 Add long branch length attributes.
5870 (decrement_and_branch_until_zero): Add long branch length attributes.
5871 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5872 Likewise. Revise arguments for output_parallel_addb and
5873 output_parallel_movb calls.
5874 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5875 output_parallel_movb and output_parallel_addb): Update prototypes.
5876 * pa.c (output_cbranch): Revise arguments. Correct handling of
5877 nullification in long branches.
5878 (output_lbranch): Add new argument to control extraction of delay
5880 (output_bb): Handle long branches.
5881 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5882 output_parallel_addb): Likewise.
5884 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5886 PR rtl-optimization/27073
5887 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5890 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5892 * tree.h (tree_memory_tag): Add old_used_alone.
5893 (SMT_OLD_USED_ALONE): New macro.
5894 * tree-ssa-alias.c (recalculate_used_alone): Stop
5895 marking things for renaming unnecessarily.
5897 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5899 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5900 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5901 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5902 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5903 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5904 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5905 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5906 spelling convensions.
5907 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5908 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5909 typos. Follow spelling conventions.
5911 2006-04-07 DJ Delorie <dj@redhat.com>
5913 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5914 passed on the stack.
5915 (m32c_init_cumulative_args): When a function returns a structure,
5916 always pass the pointer to that return area on the stack.
5917 (m32c_function_arg_advance): Don't increment the parameter number
5918 if we're processing the returned structure pointer.
5919 (pushm_info): Reverse order of registers.
5921 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5923 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5924 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5925 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5926 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5928 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5929 chrec_fold_multiply): Same.
5930 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5931 force_expr_to_var_cost): Same.
5932 * tree-mudflap.c (mf_xform_derefs_1): Same.
5933 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5935 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5937 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5938 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5941 2006-04-07 Jan Hubicka <jh@suse.cz>
5943 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5945 2006-04-07 Richard Guenther <rguenther@suse.de>
5947 PR tree-optimization/26135
5948 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5949 loads for store copy-prop.
5950 (copy_prop_visit_stmt): Likewise.
5952 2006-04-05 Robert Millan <robertmh@gnu.org>
5954 * config/i386/linux.h: Add a comment to mark macros that are
5955 being overriden in config/k*bsd-gnu.h.
5956 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5958 * config/knetbsd-gnu.h: Ditto.
5960 2006-04-06 Jan Hubicka <jh@suse.cz>
5964 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5967 2006-04-06 Mike Stump <mrs@apple.com>
5969 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5970 for HAVE_nonlocal_goto to be consistent.
5971 (expand_builtin_nonlocal_goto): Likewise.
5972 (expand_builtin_strcmp): Use #ifdef instead of #if
5973 for HAVE_cmpstrnsi to be consistent.
5975 2006-04-05 DJ Delorie <dj@redhat.com>
5977 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5980 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5982 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5983 got-relative addressing for anything but SImode.
5985 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5986 even if the calling function doesn't modify them.
5988 2006-04-05 Richard Guenther <rguenther@suse.de>
5990 PR tree-optimization/26919
5991 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5992 to cgraph_estimate_size_after_inlining.
5994 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5996 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5998 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6000 PR tree-optimization/26996
6001 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6002 VECTOR_TYPE variables.
6004 2006-04-05 Richard Guenther <rguenther@suse.de>
6006 PR tree-optimization/26763
6007 * fold-const.c (fold_comparison): Move folding of
6008 PTR + CST CMP PTR + CST ...
6009 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6011 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6013 * doc/install.texi (Prerequisites): Refine some wording on
6014 bootstrapping and ksh.
6015 Move the version numbers of DejaGnu here from the testing section
6016 and fix casing of names.
6017 Fix markup and clarify wording for autogen requirements.
6018 Refer to GCJ instead of just java.
6019 Refer to SVN instead of CVS.
6020 Describe diffutils as useful instead of necessary.
6021 (Downloading the source): Refer to SVN instead of CVS.
6022 Adjust a link to our web site accordingly.
6023 (Configuration): Fix casing of Bison.
6024 (Building): Refer to SVN instead of CVS.
6025 Fix a sentence on the use of Bison and remove duplicate (and
6026 incorrect) version number of Bison requirement.
6027 Remove one redundant list of packages needed for building.
6028 (Specific): Avoid reference to CVS.
6030 2006-04-04 Eric Christopher <echristo@apple.com>
6032 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6033 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6034 (rs6000_handle_struct_attribute): New.
6035 (rs6000_ms_bitfield_layout_p): Ditto.
6037 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6039 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6040 NULL for dso parameter to atexit_common.
6042 2006-04-04 Eric Christopher <echristo@apple.com>
6044 * config/i386/i386.c (machopic_output_stub): Output \t
6045 between instructions and operands.
6047 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6049 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6050 satisfies_constraint_[IL] to explicit tests on value.
6052 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6054 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6055 set_nb_iterations_in_loop): Use build_int_cst instead of
6057 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6058 build_int_cst instead of convert.
6060 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6062 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6063 new value 2 for incoming.
6064 * function.c (expand_function_start): Call struct_value_rtx
6066 * config/sparc/sparc.md: Comment updated_return.
6067 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6068 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6069 struct return if sparc_std_struct_return and incoming is 2.
6070 (print_operand): Do not adjust return if
6071 sparc_std_struct_return.
6073 2006-04-04 Roger Sayle <roger@eyesopen.com>
6075 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6076 convert in the middle-end.
6077 * expr.c (store_expr, store_constructor, get_inner_reference,
6078 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6080 * tree.c (build_range_type): Likewise.
6082 2006-04-04 Tom Tromey <tromey@redhat.com>
6084 * doc/install.texi (Prerequisites): Mention jar.
6086 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6088 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6091 2006-04-04 Matthias Klose <doko@debian.org>
6093 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6094 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6097 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6099 * doc/extend.texi (Function Attributes): Rewrite visibility
6100 attribute documentation.
6101 * doc/invoke.texi (C++ Dialect Options): Rewrite
6102 -fvisibility-inlines-hidden documentation to describe something
6103 entirely different, although in practise compatible.
6104 (Code Gen Options): Warn about system headers in -fvisibility=
6107 * doc/extend.texi (Other Builtins): Document that
6108 __builtin_nan is a compile-time constant only when its argument
6111 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6113 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6114 trying to remove TRUNCATE check if all bits outside the new mode
6115 are identical to the sign bit.
6117 2006-04-03 Jeff Law <law@redhat.com>
6119 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6120 and operand scanning in some common cases.
6122 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6123 Dale Johannesen <dalej@apple.com>
6126 * regclass.c (struct reg_pref): Update documentation.
6127 (regclass): Set prefclass to NO_REGS if memory is the best option.
6128 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6129 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6130 into account. For non-registers, equate an empty preferred
6131 reload class to a `!' in the constraint; move the if clause to
6132 do so after those that reject the insn.
6133 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6135 (find_dummy_reload): Likewise.
6136 * doc/tm.texi (Register Classes): Document what it means
6137 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6138 * config/i386/i386.c (ix86_preferred_reload_class): Force
6139 using SSE registers (and return NO_REGS for floating-point
6140 constants) if math is done with SSE.
6141 (ix86_preferred_output_reload_class): New.
6142 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6143 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6144 * config/i386/i386.md: Remove # register preferences.
6146 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6149 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6150 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6151 the type of nb_iter.
6152 (instantiate_parameters_1): Convert the operands before calling
6153 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6154 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6156 2006-04-02 Roger Sayle <roger@eyesopen.com>
6158 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6159 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6161 * dojump.c (do_jump): Likewise.
6162 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6163 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6164 gimplify_boolean_expr): Likewise.
6165 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6166 * varasm.c (array_size_for_constructor): Likewise.
6167 * tree-object-size.c (compute_object_offset): Likewise.
6169 2006-04-02 Roger Sayle <roger@eyesopen.com>
6172 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6173 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6175 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6177 PR tree-optimization/26939
6178 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6180 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6182 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6183 at_stmt. Convert the type of operands before calling
6184 build_polynomial_chrec.
6185 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6187 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6188 (instantiate_parameters_1): Convert the type of operands before calling
6189 build_polynomial_chrec.
6190 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6191 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6192 reset_evolution_in_loop): Insert asserts to check the types of the
6194 (chrec_type): Moved...
6195 (eq_evolutions_p): Use operand_equal_p.
6196 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6197 the types of the operands.
6198 (chrec_type): ...here.
6199 * tree-data-ref.c (create_data_ref): Convert the operands before
6200 calling chrec_replace_initial_condition.
6201 (same_access_functions, analyze_subscript_affine_affine,
6202 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6203 (compute_subscript_distance, analyze_ziv_subscript,
6204 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6205 analyze_miv_subscript): Convert the operands before calling
6206 chrec_fold_minus or chrec_fold_plus.
6208 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6210 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6211 the dependence_relations vector.
6212 (compute_data_dependences_for_loop): Adjust call to
6213 compute_all_dependences.
6215 2006-04-01 Roger Sayle <roger@eyesopen.com>
6216 Richard Henderson <rth@redhat.com>
6218 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6219 gimple_boolify on the condition before calling gimplify_expr.
6221 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6223 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6224 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6225 the frame size. Update to use the new macros.
6226 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6227 * config/xtensa/ieee754-df.S: Likewise.
6229 2006-03-31 Richard Henderson <rth@redhat.com>
6231 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6232 (make_edges): ... here. Control fallthru creation with a local
6233 variable. Do not play with fake edges.
6234 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6235 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6238 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6240 * dwarf2.h (DW64_CIE_ID): Define.
6241 * dwarf2out.c (DWARF_CIE_ID): Define.
6242 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6243 length header. Use DWARF_CIE_ID.
6244 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6245 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6247 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6249 * config/sh/linux-atomic.asm: New file.
6250 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6252 2006-03-31 DJ Delorie <dj@redhat.com>
6254 * config/m32c/cond.md: Set condition flags properly throughout.
6255 * config/m32c/minmax.md: Likewise.
6256 * config/m32c/prologue.md: Likewise.
6257 * config/m32c/bitops.md: Likewise.
6258 * config/m32c/muldiv.md: Likewise.
6259 * config/m32c/mov.md: Likewise.
6260 * config/m32c/addsub.md: Likewise.
6261 * config/m32c/m32c.md: Likewise.
6262 * config/m32c/jump.md: Likewise.
6263 * config/m32c/shift.md: Likewise.
6265 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6266 conditionally output the pattern for this.
6267 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6268 (m32c_compare_redundant): New.
6269 (m32c_output_compare): New.
6270 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6272 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6273 dest, not src. Allow other 4-byte modes.
6275 2006-03-30 Denis Chertykov <denisc@overta.ru>
6277 * doc/md.texi: Refer to avr/constraints.md instead of
6280 2006-03-30 Roger Sayle <roger@eyesopen.com>
6282 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6283 signed vs. unsigned comparison failures on some hosts.
6285 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6288 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6289 change to FLOAT_REGS.
6291 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6292 (rs6000_override_options): Use it.
6293 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6294 only for -mabi=spe/no-spe and -mabi=altivec.
6296 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6298 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6301 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6303 * Makefile.in: Rename docdir to gcc_docdir.
6305 2006-03-30 Roger Sayle <roger@eyesopen.com>
6308 * expr.c (emit_group_store): Optimize group stores into a pseudo
6309 register by using a paradoxical subreg to initialize the destination
6310 if the first or last member of the group specifies a "low part".
6312 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6315 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6316 * target.h (struct gcc_target.speculate_insn): Change type of the
6317 second parameter to 'int'.
6318 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6319 the second operand of the DEPS_LIST.
6320 (copy_DEPS_LIST_list): Update reference to the second operand of the
6322 * rtl.h (alloc_DEPS_LIST): Update signature.
6323 * sched-int.h (ds_t): Change typedef to 'int'.
6324 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6326 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6328 * haifa-sched.c (try_ready): Change condition to restore
6329 non-speculative pattern of the instruction.
6330 (process_insn_depend_be_in_spec): Code to keep probability of the
6331 speculative dependence non-decreasing.
6333 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6335 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6336 (single_move_for_movmem): ... this. Also change all uses.
6337 (bfin_expand_strmov): Renamed to...
6338 (bfin_expand_movmem): ... this. Also change all uses.
6339 * config/bfin/bfin.md (movstrsi): Renamed to...
6340 (movstrsi): ...this.
6342 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6344 PR tree-optimization/26830
6346 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6347 (copy_prop_visit_stmt): Remove write-only variable ann.
6348 (init_copy_prop): Check variable loop depth here. Do not simulate
6349 memory-tag and virtual operand PHIs except for store copy prop.
6351 2006-03-30 Richard Guenther <rguenther@suse.de>
6353 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6354 variants with double arguments.
6356 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6358 * genpreds.c (write_tm_constrs_h): Delete variable p.
6359 * genconditions.c (write_header): Add tm-constrs.h to included
6361 * genpeep.c (main): Add toplev.h to included headers.
6362 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6363 (build/genpeep.o): Add toplev.h dependency.
6364 * config/rs6000/constraints.md: Add "W" constraint.
6366 2006-03-29 Roger Sayle <roger@eyesopen.com>
6368 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6369 sizes by correctly testing whether the size fits a host integer.
6370 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6371 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6372 SImode range for the default sizetype and bitsizetype.
6374 2006-03-29 Roger Sayle <roger@eyesopen.com>
6376 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6377 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6378 quickly if the argument is already of the correct type.
6379 Call fold_build1 instead of build1. Tidy up blank lines.
6381 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6383 * genemit.c (main): Add tm-constrs.h to included headers.
6384 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6385 * genpeep.c (main): Add tm-constrs.h to included headers.
6386 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6387 (write_tm_constrs_h): this and write complete file.
6388 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6389 (write_insn_preds_c): Add tm-constrs.h to included headers.
6390 (gen_constrs): New variable.
6391 (parse_option): Parse "-c".
6392 (main): Invoke write_tm_constrs_h.
6393 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6394 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6395 (object_out_file): Add tm-constrs.h dependency.
6396 (insn-emit.o): Same.
6397 (insn-output.o): Same.
6398 (insn-peep.o): Same.
6399 (insn-preds.o): Same.
6400 (insn-recog.o): Same.
6401 (tm-constsr.h): New target.
6402 (s-constrs-h): New target.
6404 * config/rs6000/constraints.md: New file.
6405 * config/rs6000/rs6000.c: Include tm-constrs.h.
6406 (num_insn_constant_wide): Convert to satisfies_constraint.
6407 (rs6000_rtx_costs): Convert to satisfies_constraint.
6408 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6409 (CONST_OK_FOR_LETTER_P): Delete.
6410 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6411 (EXTRA_CONSTRAINT): Delete.
6412 (EXTRA_MEMORY_CONSTRAINT): Delete.
6413 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6414 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6415 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6416 satisfies_constraint.
6418 * config/i386/i386.c: Include tm-constrs.h.
6420 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6422 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6423 * tree-data-ref.c (find_data_references_in_loop,
6424 compute_data_dependences_for_loop): Use pointers to VEC.
6425 (analyze_all_data_dependences): Adjust calls.
6426 * tree-data-ref.h (find_data_references_in_loop,
6427 compute_data_dependences_for_loop): Adjust declarations.
6428 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6429 compute_data_dependences_for_loop.
6431 2006-03-29 Paul Brook <paul@codesourcery.com>
6433 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6436 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6438 PR tree-optimization/26859
6439 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6441 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6442 for the step after fold_convert.
6444 2006-03-29 Paul Brook <paul@codesourcery.com>
6446 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6447 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6449 2006-03-29 Paul Brook <paul@codesourcery.com>
6452 * targhooks.c (default_narrow_bitfield): New fuction.
6453 * targhooks.h (default_narrow_bitfield): add prototype.
6454 * target.h (gcc_target): Add narrow_volatile_bitfield.
6455 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6456 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6457 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6458 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6460 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6462 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6464 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6465 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6466 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6467 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6468 (s390_function_arg_float): Allow SDmode and DDmode values to be
6469 passed in floating point registers.
6470 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6471 check with SCALAR_FLOAT_MODE_P.
6472 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6474 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6476 PR tree-optimization/25985
6477 * tree-ssa-loop-niter.c (number_of_iterations_le,
6478 number_of_iterations_ne): Make comments more precise.
6479 (number_of_iterations_cond): Add only_exit argument. Use the
6480 fact that signed variables do not overflow only when only_exit
6482 (loop_only_exit_p): New.
6483 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6484 number_of_iterations_cond.
6486 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6488 PR tree-optimization/26643
6489 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6492 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6494 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6495 (divsi3_i4_int): Likewise.
6497 2006-03-28 Roger Sayle <roger@eyesopen.com>
6499 * expr.c (emit_group_store): Only create a new pseudo reg if the
6500 quantity it needs to hold isn't already a suitable pseudo.
6502 2006-03-28 Jeff Law <law@redhat.com>
6504 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6505 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6507 2006-03-28 Roger Sayle <roger@eyesopen.com>
6509 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6510 the equivalent ~X & Y, and the symmetry related transformations.
6511 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6512 ~X & Y, and symmetry related transforms.
6514 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6516 Revert my 2006-03-27 patches.
6518 2006-03-28 Roger Sayle <roger@eyesopen.com>
6520 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6521 ~(T1)X, when T1 and T2 are integer types of the same precision
6522 and (T2)X isn't an extension.
6524 2006-03-28 Jeff Law <law@redhat.com>
6526 PR tree-optimization/26796
6527 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6528 need EH edge cleanups rather than purging them immediately.
6529 (eliminate_degenerate_phis): Handle queued EH cleanups.
6531 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6533 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6536 2006-03-27 Roger Sayle <roger@eyesopen.com>
6539 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6540 cast BIT_NOT_EXPR operand to the correct type.
6542 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6544 * tree-loop-linear.c: Don't include varray.h.
6545 (gather_interchange_stats, try_interchange_loops,
6546 linear_transform_loops): Use VEC instead of VARRAY.
6547 * lambda-mat.c: Don't include varray.h.
6548 * tree-chrec.c: Same.
6549 * lambda-trans.c: Same.
6550 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6551 VEC instead of VARRAY.
6552 * tree-vectorizer.h: Idem.
6553 * tree-data-ref.c (dump_data_references,
6554 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6555 initialize_data_dependence_relation, finalize_ddr_dependent,
6556 compute_all_dependences, find_data_references_in_loop,
6557 compute_data_dependences_for_loop, analyze_all_data_dependences,
6558 free_dependence_relation, free_dependence_relations,
6559 free_data_refs): Idem.
6560 * tree-data-ref.h (data_reference_p, subscript_p): New.
6561 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6562 VEC instead of VARRAY.
6563 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6564 (find_data_references_in_loop, compute_data_dependences_for_loop,
6565 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6566 dump_data_dependence_relations, free_dependence_relations,
6567 free_data_refs): Adjust declaration.
6568 (lambda_transform_legal_p): Move declaration here...
6569 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6570 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6571 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6572 vect_analyze_data_refs): Use VEC instead of VARRAY.
6573 * lambda.h (lambda_transform_legal_p): ...from here.
6574 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6575 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6576 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6577 tree-chrec.o): Don't depend on VARRAY_H.
6579 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6581 * rtl.def (Copyright): Update date.
6582 (DEPS_LIST): Change type of the second operand to 'int'.
6583 * target.h (Copyright): Update date.
6584 (struct gcc_target.speculate_insn): Change type of the second parameter
6586 * lists.c (Copyright): Update date.
6587 (alloc_DEPS_LIST): Change signature. Update reference to the second
6588 operand of the DEPS_LIST.
6589 (copy_DEPS_LIST_list): Update reference to the second operand of the
6591 * rtl.h (Copyright): Update date.
6592 (alloc_DEPS_LIST): Update signature.
6593 * sched-int.h (Copyright): Update date.
6594 (ds_t): Change typedef to 'int'.
6595 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6597 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6599 * haifa-sched.c (Copyright): Update date.
6600 (try_ready): Change condition to restore non-speculative pattern
6602 (process_insn_depend_be_in_spec): Code to keep probability of the
6603 speculative dependence non-decreasing.
6605 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6607 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6608 shut up the compiler.
6610 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6612 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6613 to use lib prefix for target.
6614 ($(T)libic_invalidate_array_4-200.a): Likewise.
6615 ($(T)libic_invalidate_array_4a.a): Likewise.
6617 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6618 J"orn Rennecke <joern.rennecke@st.com>
6620 * superh.opt: New file.
6621 * sh.c (boardtype, osruntime): Remove.
6622 * superh.h (SUBTARGET_OPTIONS): Remove.
6623 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6625 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6626 arguments with ^ and/or [].
6628 * config.gcc (sh-*-*): Add quoting to account for quirk of
6630 Replace == with = in enable_incomplete_targets test.
6632 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6633 with MASK_LITTLE_ENDIAN.
6635 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6636 * config/sh/sh.opt: Added to some comments.
6637 * config/sh/superh.h: Removed some chaff.
6639 * config/sh/sh.opt: Add m4-[1234]00* options.
6640 * config/sh/sh.c (sh_handle_option): Likewise.
6641 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6642 (ic_invalidate_array_4-100.o): New rule.
6643 ($(T)libic_invalidate_array_4-100.a): Likewise.
6644 (ic_invalidate_array_4-200.o): Likewise.
6645 ($(T)libic_invalidate_array_4-200.a): Likewise.
6646 (ic_invalidate_array_4a.o): Likewise.
6647 ($(T)libic_invalidate_array_4a.a): Likewise.
6648 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6649 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6651 * config/sh/crt1.asm: Merged in profiling code.
6652 * config/sh/superh.h (STARTFILE_SPEC): Override.
6653 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6654 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6655 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6657 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6658 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6659 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6661 * sh.opt (mpretend-cmove): New option.
6662 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6663 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6664 (movsicc): Add TARGET_PRETEND_CMOVE code.
6666 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6668 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6669 s390_class_max_nregs): New function prototypes.
6670 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6671 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6672 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6673 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6675 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6677 * dwarf2out.c (add_location_or_const_value_attribute): Call
6678 tree_add_const_value_attribute if nothing else works.
6679 (reference_to_unused): New.
6680 (rtl_for_decl_init): Use reference_to_unused to decide whether
6681 to output an initializer.
6683 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6686 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6687 peephole removing spe frob_di_df_2.
6689 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6691 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6692 (subscript_dependence_tester_1): Declared.
6693 (print_dir_vectors, print_dist_vectors): New.
6694 (debug_data_dependence_relation): New.
6695 (dump_data_dependence_relation): Print more details.
6696 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6697 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6698 (save_dist_v, save_dir_v, add_outer_distances,
6699 build_classic_dist_vector_1): New.
6700 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6701 Don't test for lambda_vector_lexico_pos.
6702 (same_access_functions, add_multivariate_self_dist,
6703 add_other_self_distances, dir_from_dist): New.
6704 (build_classic_dir_vector): Replace implementation almost identical to
6705 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6707 (subscript_dependence_tester_1): New.
6708 (subscript_dependence_tester): Handle the lexicographically negative
6709 distance vectors by recomputing the dependence relation.
6710 (compute_affine_dependence): Remove parameter loop_nest_depth.
6711 (compute_self_dependence): Don't call compute_subscript_distance.
6712 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6713 Add a parameter for the loop_nest.
6714 (find_loop_nest_1, find_loop_nest): New.
6715 (compute_data_dependences_for_loop): Compute the loop nest, and give
6716 up if the nest is not well formed.
6717 * tree-data-ref.h (loop_p): New.
6718 (struct data_dependence_relation): Replace size_vect field with
6719 loop_nest, a vec of loops.
6720 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6721 (DDR_LOOP_NEST): New.
6722 (print_dir_vectors, print_dist_vectors,
6723 debug_data_dependence_relation): Declared.
6724 (index_in_loop_nest): New.
6725 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6726 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6729 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6731 * simplify-rtx.c (simplify_relational_operation): Call
6732 simplify_relational_operation_1 even if mode is VOIDmode.
6734 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6736 PR tree-optimization/26804
6737 * tree.h (DECL_CALL_CLOBBERED): New macro.
6738 (tree_decl_common): Add call_clobbered_flag.
6739 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6740 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6741 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6742 (mark_non_addressable): Ditto.
6743 * tree-ssa.c (verify_call_clobbered): New function.
6744 (verify_alias_info): Use it.
6745 * tree-pass.h (pass_reset_cc_flags): New prototype.
6746 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6747 (reset_cc_flags): New function.
6748 * passes.c (init_optimization_passes): Call reset_cc_flags after
6749 initializing referenced_vars.
6751 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6752 Roger Sayle <roger@eyesopen.com>
6755 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6756 to 1.0 for non-real operands. Implement A / A optimization for
6759 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6761 * config/i386/i386.c (size_cost): Correct the comment for
6762 cost of storing fp registers.
6763 (i386_cost): Likewise.
6764 (i486_cost): Likewise.
6765 (pentium_cost): Likewise.
6766 (pentiumpro_cost): Likewise.
6767 (k6_cost): Likewise.
6768 (athlon_cost): Likewise.
6769 (k8_cost): Likewise.
6770 (pentium4_cost): Likewise.
6771 (nocona_cost): Likewise.
6772 (generic64_cost): Likewise.
6773 (generic32_cost): Likewise.
6775 2006-03-24 Denis Chertykov <denisc@overta.ru>
6777 * config/avr/avr-protos.h (extra_constraint): Delete.
6778 (extra_constraint_Q): New declaration.
6779 * config/avr/constraints.md: New file.
6780 * config/avr/avr.md: Include it.
6781 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6782 (TMP_REGNO, ZERO_REGNO): Likewise.
6783 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6784 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6785 (extra_constraint): Delete.
6786 (extra_constraint_Q): Test for memory constraint 'Q'.
6787 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6788 (REG_CLASS_FROM_LETTER): Delete.
6789 (CONST_OK_FOR_LETTER_P): Delete.
6790 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6791 (EXTRA_CONSTRAINT): Delete.
6792 (TMP_REGNO): Delete.
6793 (ZERO_REGNO): Delete.
6795 2006-03-24 Jeff Law <law@redhat.com>
6797 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6798 directly. Call mark_new_vars_to_rename slightly earlier.
6800 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6802 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6804 (gen_compile_unit_die): Use new language types for Objective-C and
6806 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6807 DW_LANG_C_plus_plus.
6810 * config/t-darwin (crt3.o): Work around bug 26840.
6811 * config/darwin-crt3.c: Rewrite.
6812 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6814 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6816 * doc/invoke.texi: Document -femit-class-debug-always
6817 * common.opt: Add -femit-class-debug-always.
6819 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6821 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6822 index and base register.
6823 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6824 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6825 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6826 REGNO_OK_FOR_INDEX_P.
6827 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6829 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6830 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6831 REG_OK_FOR_BASE_P): Definitions removed.
6833 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6836 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6837 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6838 set yet or weren't marked as local yet.
6840 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6842 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6845 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6847 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6848 (rs6000_legitimate_small_data_p): Delete.
6849 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6850 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6851 and make static. Add forward declaration. Update uses.
6852 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6853 of offsettable_memref_p.
6854 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6855 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6857 2006-03-24 Jeff Law <law@redhat.com>
6859 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6860 around bug in immediate-use iterator.
6862 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6865 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6866 or __LITTLE_ENDIAN__.
6868 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6870 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6871 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6872 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6873 * config/sh/sh.opt (mdiv=): Amend description.
6874 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6875 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6876 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6877 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6878 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6879 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6880 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6881 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6882 TARGET_DIVIDE_CALL_FP.
6884 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6886 * haifa-sched.c (choose_ready): Fix type of the local variable.
6887 Move local variables. Add comment.
6888 (check_reg_live): Change signature. Make callable from debugger.
6889 * sched-int.h (check_reg_live): Update signature.
6890 * sched-ebb.c (check_reg_live): Update parameters.
6891 * sched-rgn.c (check_reg_live): Ditto.
6892 (region_head_or_leaf_p): Check pointer before dereferencing.
6893 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6894 before reload on optimization levels below 1.
6896 2006-03-23 Richard Henderson <rth@redhat.com>
6898 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6902 * config/alpha/predicates.md (local_symbolic_operand): Reject
6905 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6908 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6909 expressions which have overflowed constants.
6911 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6913 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6915 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6917 * cfgloopmanip.c (create_loop_notes): Removed.
6918 * final.c (final_scan_insn): Do not handle loop notes.
6919 * jump.c (squeeze_notes): Ditto.
6920 * cfglayout.c (skip_insns_after_block,
6921 duplicate_insn_chain): Ditto.
6922 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6924 * cfgloop.h (create_loop_notes): Declaration removed.
6926 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6928 * varasm.c (output_constant_pool): Restore fnname and fndecl
6930 (assemble_start_function): Adjust call accordingly.
6931 (assemble_end_function): Likewise.
6933 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6936 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6939 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6941 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6944 * system.h (ICE_EXIT_CODE): New macro.
6945 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6946 (diagnostic_action_after_output): Likewise.
6947 * gcc.c (fatal_ice): New function.
6948 (execute): Use it instead of fatal.
6949 (fancy_abort): Likewise.
6950 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6952 2006-03-22 Jeff Law <law@redhat.com>
6954 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6955 iv_analyze_result returning false.
6957 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6959 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6961 2006-03-22 Richard Henderson <rth@redhat.com>
6964 * except.c (duplicate_eh_regions_0): New.
6965 (duplicate_eh_region_1): Duplicate the children of the node as
6966 well as the node itself. Link them up properly.
6967 (duplicate_eh_region_2): Merge into ...
6968 (duplicate_eh_regions): ... here. Take copy_region argument, and
6969 copy only a sub-tree if asked. Simplify copying and fixup.
6970 (eh_region_outer_p): New.
6971 * except.h (duplicate_eh_regions): Update decl.
6972 (eh_region_outer_p): Declare.
6973 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6974 (lower_omp_master): Likewise.
6975 (lower_omp_ordered): Likewise.
6976 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6977 (move_stmt_r): Use it to remap labels. Handle recursion vs
6978 remap_decls_p properly.
6979 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6980 (find_outermost_region_in_block): New.
6981 (new_label_mapper): New.
6982 (move_sese_region_to_fn): Copy eh information to the new function
6984 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6986 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6989 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6991 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6992 into shared libraries.
6994 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6996 * doc/md.texi: Refer to i386/constraints.md instead of
6998 * config/i386/constraints.md: New file, extracted from...
6999 * config/i386/predicates.md: ...here.
7000 * config/i386/i386.md: Include constraints.md.
7002 2006-03-21 Jason Merrill <jason@redhat.com>
7004 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7007 * expr.c (init_block_move_fn): Force default visibility.
7008 (init_block_clear_fn): Likewise.
7009 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7010 * targhooks.c (default_external_stack_protect_fail): Likewise.
7012 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7014 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7015 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7016 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7017 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7018 (loadgp): Use mips_current_loadgp_style.
7019 (loadgp_noshared): New pattern.
7020 (sibcall_internal): Use MIPS_CALL.
7021 (sibcall_value_internal): Likewise.
7022 (sibcall_value_multiple_internal): Likewise.
7023 (call_internal): Likewise.
7024 (call_value_internal): Likewise.
7025 (call_value_multiple_internal): Likewise.
7026 (call_split): Use MIPS_CALL and add an 'S' constraint.
7027 (call_value_split): Likewise.
7028 (call_value_multiple_split): Likewise.
7029 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7030 (-mshared): New option.
7031 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7032 (mips_current_loadgp_style): Declare.
7033 * config/mips/mips.c (mips_classify_symbol): Avoid using
7034 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7035 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7036 TARGET_ABSOLUTE_ABICALLS.
7037 (override_options): Adjust comments. Improve the warning that is
7038 issued when -mabicalls and -G are used together.
7039 (mips_file_start): Remove comment.
7040 (mips_current_loadgp_style): New function.
7041 (mips_gnu_local_gp): New variable.
7042 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7044 (mips_output_function_prologue): Use mips_current_laodgp_style.
7045 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7046 the cprestore instruction.
7047 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7048 live for TARGET_ABSOLUTE_ABICALLS.
7049 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7050 (ASM_SPEC): Pass down -mshared and -mno-shared.
7051 (MIPS_CALL): New macro.
7052 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7054 * doc/invoke.texi (-mabicalls): Update documentation.
7055 (-mshared): Document.
7057 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7059 * config/ia64/unwind-hpux.c: New file.
7060 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7062 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7065 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7067 2006-03-21 Jeff Law <law@redhat.com>
7069 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7070 type conversions of a VR_VARYING source to a wider type.
7072 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7074 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7075 tm_file on Solaris 10 and later.
7076 (sparc64-*-solaris2*): Likewise.
7077 (sparc-*-solaris2*): Likewise.
7078 * config/sol26.h: Rename to config/sol2-6.h.
7079 * config/sol2-10.h: New file.
7081 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7084 * tree-ssa-pre.c (create_component_ref_by_pieces):
7087 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7090 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7091 return it immediately.
7093 2006-03-21 Michael Matz <matz@suse.de>
7095 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7097 (remove_arc, add_arc): Update num_out_arcs member.
7098 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7100 (cache_presence): New function.
7101 (compare_states_for_equiv): New function.
7102 (state_is_differed): Don't take number of outargs, adjust callers.
7103 Use new invariant for speeding up.
7104 (init_equiv_class): Create initial classes based on sorted
7106 (partition_equiv_class): Don't track out_arcs_num.
7107 (evaluate_equiv_classes): Call cache_presence on all states and
7110 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7112 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7113 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7114 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7115 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7117 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7118 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7119 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7120 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7121 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7123 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7124 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7125 (REGNO_REG_CLASS): ARGP is in PREGS.
7126 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7128 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7129 to deal with those addresses.
7130 * addresses.h: New file.
7131 * caller-save.c: Include "addresses.h".
7132 (init_caller_save): Use new base_reg_class function.
7133 * rtl-factoring.c: Include "addresses.h".
7134 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7135 * recog.c: Include "addresses.h".
7136 (preprocess_constraints): Use new base_reg_class function.
7137 * regrename.c: Include "addresses.h".
7138 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7139 functions. Keep track of a new var INDEX_CODE to compute valid
7141 (replace_oldest_value_addr): Likewise.
7142 (replace_oldest_value_mem): Use base_reg_class.
7143 * reload.c: Include "addresses.h".
7144 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7145 (find_reloads): Use new base_reg_class function.
7146 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7147 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7148 all callers and prototype changed.
7149 * reload1.c: Include "addresses.h".
7150 (maybe_fix_stack_asms): Use base_reg_class.
7151 * regclass.c: Include "addresses.h".
7152 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7153 (init_reg_autoinc): Use new base_reg_class function.
7154 (record_reg_classes): Likewise.
7155 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7156 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7157 Use new args to compute necessary class.
7159 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7160 regrename.o, rtl-factoring.o): Update dependencies.
7161 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7162 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7163 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7164 REG_OK_FOR_INDEX_P): Delete documentation.
7166 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7168 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7169 from V7 to V9 for Solaris 7 and above.
7171 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7173 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7174 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7175 argument pointers may not alias any other storage.
7176 * common.opt: Define option -fargument-noalias-anything.
7177 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7178 alias semantics is specified by flag_argument_noalias > 2.
7180 2006-03-20 Jeff Law <law@redhat.com>
7182 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7183 (pass_phi_only_cprop): Declare.
7184 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7186 * tree-ssa-dom.c (degenerate_phi_result): New function.
7187 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7188 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7189 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7190 (eliminate_degenerate_phis): Likewise.
7191 (pass_phi_only_cprop): New pass descriptor.
7192 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7193 support code. Callers updated.
7194 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7195 (store_copy_prop): Likewise.
7196 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7198 2006-03-20 Jason Merrill <jason@redhat.com>
7201 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7202 (push_visibility, pop_visibility): Likewise.
7203 * c-pragma.h: Declare them.
7205 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7207 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7209 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7210 parameter and use get_ebb_head_tail.
7211 (sh_md_init_global): Adjust uses of find_regmode_weight.
7213 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7215 * function.h (struct function) <x_tail_recursion_reentry>:
7216 Rename to x_stack_check_probe_note.
7217 (tail_recursion_reentry): Rename to stack_check_probe_note.
7218 * function.c: Replace tail_recursion_reentry with
7219 stack_check_probe_note everywhere.
7220 (expand_function_start): Only emit a note for
7221 stack_check_probe_note with -fstack-protect.
7222 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7224 * emit-rtl.c (remove_unnecessary_notes): Remove.
7225 (pass_remove_unnecessary_notes): Remove.
7226 * rtl.h (remove_unnecessary_notes): Remove prototype.
7227 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7228 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7229 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7231 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7234 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7235 (valid_in_set): Handle ARRAY_REF.
7236 Change "if min_variant or VH" to asserts.
7237 (create_component_ref_by_pieces): Handle ARRAY_REF.
7238 (create_expression_by_pieces): Likewise.
7239 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7241 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7243 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7244 is operand of switch, not str[0].
7246 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7248 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7249 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7251 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7253 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7254 end of insn_extra_address_constraint declaration.
7256 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7258 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7259 (no-sum-in-toc): Same.
7260 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7262 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7263 NO_FP_IN_TOC for -fPIC instead of mask.
7265 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7266 (BOOT_LDFLAGS): Delete.
7268 * config/rs6000/t-aix52: Same.
7270 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7271 (stmsi[345678]_power): New.
7273 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7275 * config/ia64/ia64.opt: Add empty line to end of file.
7277 2006-03-17 Richard Guenther <rguenther@suse.de>
7280 * builtins.c (get_pointer_alignment): For component style references
7281 adjust alignment to the component type alignment. Make sure
7282 to adjust alignment for component access of constants.
7284 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7286 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7289 2006-03-17 Paul Brook <paul@codesourcery.com>
7291 * doc/install.texi: Docuemnt --with-mode.
7292 * config.gcc: Add --with-mode for arm*-*-*.
7293 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7295 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7297 * sh.c (max_labelno_before_reorg): New variable.
7298 (sh_reorg): Initialize it.
7299 (find_barrier): Check max_labelno_before_reorg before using
7300 label_to_alignment. Take length of explicit alignment insns
7301 into account. When seeing a UNSPECV_CONST_END, return it.
7303 * sh.c (fixup_mova): Set mode of affected label to QImode.
7304 (untangle_mova): New function.
7305 (find_barrier): Use it. Check mode of label before decrementing
7307 (sh_reorg): Likewise.
7308 Set mode of all insns back to VOIDmode.
7310 * sh.c (MOVA_LABELREF): New macro.
7311 (mova_p, fixup_mova, sh_reorg): Use it.
7312 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7313 ADDR_DIFF_VEC matches mova.
7315 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7317 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7318 with ATTRIBUTE_UNUSED.
7320 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7322 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7323 pointer, instead of assuming it is possible to derive the
7324 correct args size from a call insn.
7326 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7328 * rtl.h (CONST_INT_P): Define.
7329 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7330 instead of GET_CODE(x) == CONST_INT.
7331 (vax_rtx_costs): Likewise.
7332 (vax_output_int_move): Likewise.
7333 (vax_output_int_add): Likewise.
7334 (legitimate_constant_address_p): Likewise.
7335 (index_term_p): Likewise.
7336 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7337 * config/vax/vax.md (and<mode>3): Likewise.
7338 (ashrsi3): Likewise.
7340 (movstricthi): Likewise.
7341 (movstrictqi): Likewise.
7342 (rotrsi3): Likewise.
7343 (five unnamed insns): Likewise.
7345 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7347 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7348 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7349 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7350 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7351 Pass to ASM_OUTPUT_DWARF_OFFSET.
7352 * dwarf2out.c (debug_frame_section): New.
7353 (output_call_frame_info): Use debug_frame_section. Pass it to
7354 dw2_asm_output_offset.
7355 (output_die): Pass appropriate section to dw2_asm_output_offset.
7356 (output_compilation_unit_header): Likewise.
7357 (output_pubnames): Likewise.
7358 (output_aranges): Likewise.
7359 (enum dw_val_class): Break dw_val_class_lbl_offset into
7360 dw_val_class_lineptr and dw_val_class_macptr.
7361 (add_AT_lbl_offset): Delete.
7362 (add_AT_lineptr): New.
7363 (add_AT_macptr): New.
7364 (AT_lbl): Expect a lineptr or macptr.
7365 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7366 (attr_checksum): Likewise.
7367 (same_dw_val_p): Likewise.
7368 (size_of_die): Likewise.
7369 (value_format): Likewise.
7370 (output_die): Likewise.
7371 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7373 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7374 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7375 * config/darwin-protos.h (darwin_file_start): New.
7376 (darwin_asm_output_dwarf_offset): New.
7377 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7378 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7380 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7381 if not EH section; simplify.
7382 (darwin_file_start): New.
7383 (darwin_asm_output_dwarf_offset): New.
7384 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7386 (DEBUG_INFO_SECTION): Likewise.
7387 (DEBUG_ABBREV_SECTION): Likewise.
7388 (DEBUG_ARANGES_SECTION): Likewise.
7389 (DEBUG_MACINFO_SECTION): Likewise.
7390 (DEBUG_LINE_SECTION): Likewise.
7391 (DEBUG_LOC_SECTION): Likewise.
7392 (DEBUG_PUBNAMES_SECTION): Likewise.
7393 (DEBUG_STR_SECTION): Likewise.
7394 (DEBUG_RANGES_SECTION): Likewise.
7395 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7396 (ASM_OUTPUT_DWARF_OFFSET): New.
7398 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7400 * config.gcc (tm_defines): Always add to previous value rather
7403 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7405 * config/mips/predicates.md (splittable_const_int_operand): New,
7406 split from move_operand.
7407 (splittable_symbolic_operand): New.
7408 (move_operand): Add commentary. Use splittable_const_int_operand.
7409 Inline mips_atomic_symbolic_constant_p.
7410 * config/mips/mips.md: Add combine splitters for handling moves
7411 of splittable_const_int_operands and splittable_symbolic_operands.
7412 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7413 (mips_split_symbol): Declare.
7414 (mips_move_integer): Declare.
7415 * config/mips/mips.c (mips_split_p): Make global.
7416 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7417 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7418 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7419 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7420 (mips_offset_within_object_p): Handle block symbols.
7421 (mips_atomic_symbolic_constant_p): Delete.
7422 (mips_cannot_force_const_mem): Return false for constants that
7423 mips_legitimize_move can handle.
7424 (mips_use_blocks_for_constant_p): New function.
7425 (mips_split_symbol): Make global.
7426 (mips_move_integer): Likewise. Add a temporary register argument.
7427 (mips_legitimize_const_move): Use splittable_const_int_operand and
7428 splittable_symbolic_operand.
7429 (mips_use_anchors_for_symbol_p): New function.
7430 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7431 (mips_split_p): Declare.
7433 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7435 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7436 (mips*-*-linux*): Likewise.
7438 2006-03-16 Roger Sayle <roger@eyesopen.com>
7439 Daniel Speyer <dspeyer@wam.umd.edu>
7442 * tree-dump.c (dump_real): New function.
7443 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7444 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7445 (tree-dump.o): Add $(REAL_H) to the dependencies.
7447 2006-03-16 Roger Sayle <roger@eyesopen.com>
7450 * real.c (real_from_string): If the mantissa is zero, don't bother
7451 parsing the exponent as the result should always be zero.
7453 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7455 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7457 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7459 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7460 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7461 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7462 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7463 ia64_sched_finish_global): New static functions to implement
7464 hooks from gcc_target.sched.
7465 (spec_check_no, max_uid, pending_data_specs): New static variables.
7466 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7467 ia64_spec_check_src_p): New static functions.
7468 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7469 (TARGET_SCHED_ADJUST_COST): Removed.
7470 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7471 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7472 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7473 TARGET_SCHED_GEN_CHECK,
7474 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7475 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7476 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7477 Fixed to handle speculation checks.
7478 (rtx_needs_barrier): Fixed to handle speculative loads and
7480 (ia64_variable_issue): Added code to count speculative loads and their
7482 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7484 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7486 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7488 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7489 (ia64_reorg): Reset stops_p to NULL after it is freed.
7490 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7491 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7492 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7494 (data_speculative, control_speculative, check_load): New attributes.
7495 (mov<mode>_advanced, mov<mode>_speculative,
7496 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7497 zero_extend<mode>di2_speculative,
7498 zero_extend<mode>di2_speculative_advanced): New patterns for
7499 data and control speculative loads.
7500 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7502 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7503 New pattern for data and control speculation checks.
7504 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7505 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7506 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7507 Auxiliary definitions for the patterns.
7508 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7509 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7511 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7513 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7514 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7515 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7516 New resource constraints.
7517 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7519 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7520 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7521 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7522 msched-in-control-spec, msched-ldc, msched-control-ldc,
7523 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7524 msched-prefer-non-control-spec-insns,
7525 msched-count-spec-in-critical-path): New flags to tune speculative
7527 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7528 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7529 msched-in-control-spec, msched-ldc, msched-control-ldc,
7530 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7531 msched-prefer-non-control-spec-insns,
7532 msched-count-spec-in-critical-path): Document new flags.
7534 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7536 * target.h (struct spec_info_def): New opaque declaration.
7537 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7538 speculate_insn, needs_block_p, gen_check,
7539 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7540 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7541 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7542 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7543 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7544 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7546 (TARGET_SCHED): Use new macros.
7547 * rtl.h (copy_DEPS_LIST_list): New prototype.
7548 * sched-int.h (struct sched_info): Change signature of new_ready field,
7549 adjust all initializations. New fields: add_remove_insn,
7550 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7551 region_head_or_leaf_p.
7552 (struct spec_info_def): New structure declaration.
7553 (spec_info_t): New typedef.
7554 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7555 recovery_block, orig_pat.
7556 (glat_start, glat_end): New variables declaraions.
7557 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7559 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7560 DETACH_LIFE_INFO, USE_GLAT.
7561 (enum SPEC_SCHED_FLAGS): New enumeration.
7562 (NOTE_NOTE_BB_P): New macro.
7563 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7564 attach_life_info, debug_spec_status, check_reg_live): New functions.
7565 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7566 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7568 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7569 * ddg.c (get_block_head_tail): Adjust all uses.
7570 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7571 (sms_sched_info): Initialize new fields.
7572 (contributes_to_priority): Removed.
7573 * haifa-sched.c (params.h): New include.
7574 (get_block_head_tail): Adjust all uses.
7575 (ISSUE_POINTS): New macro.
7576 (glat_start, glat_end): New global variables.
7577 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7578 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7579 old_last_basic_block, before_recovery, current_sched_info_var,
7580 rgn_n_insns, luid): New static variables.
7581 (insn_cost1): New function. Move logic from insn_cost to here.
7582 (find_insn_reg_weight1): New function. Move logic from
7583 find_insn_reg_weight to here.
7584 (reemit_notes, move_insn, max_issue): Change signature.
7585 (move_insn1): Removed.
7586 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7587 extend_bb): New static functions to support extension of scheduler's
7589 (generate_recovery_code, process_insn_depend_be_in_spec,
7590 begin_speculative_block, add_to_speculative_block,
7591 init_before_recovery, create_recovery_block, create_check_block_twin,
7592 fix_recovery_deps): New static functions to support
7593 generation of recovery code.
7594 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7595 restore_bb_notes, move_block_after_check, move_succs): New static
7596 functions to support ebb scheduling.
7597 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7598 functions to support handling of register live information.
7599 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7600 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7601 add_jump_dependencies): New static functions.
7602 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7603 consistancy checking.
7604 (debug_spec_status): New function to call from debugger.
7605 (priority): Added code to handle speculation checks.
7606 (rank_for_schedule): Added code to distinguish speculative instructions.
7607 (schedule_insn): Added code to handle speculation checks.
7608 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7609 Fixed to handle ebbs.
7610 (move_insn): Added code to handle ebb scheduling.
7611 (max_issue): Added code to use ISSUE_POINTS of instructions.
7612 (choose_ready): Added code to choose between speculative and
7613 non-speculative instructions.
7614 (schedule_block): Added code to handle ebb scheduling and scheduling of
7615 speculative instructions.
7616 (sched_init): Initialize new variables.
7617 (sched_finish): Free new variables. Print statistics.
7618 (try_ready): Added code to handle speculative instructions.
7619 * lists.c (copy_DEPS_LIST_list): New function.
7620 * sched-deps.c (extend_dependency_caches): New function. Move logic
7621 from create_dependency_caches to here.
7622 (get_dep_weak, ds_merge): Make global.
7623 * genattr.c (main): Code to output prototype for
7624 dfa_clear_single_insn_cache.
7625 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7626 (output_dfa_clean_insn_cache_func): Code to output
7627 dfa_clear_single_insn_cache function.
7628 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7630 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7632 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7633 New static variables.
7634 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7635 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7637 (ebb_sched_info): Initialize new fields.
7638 (get_block_head_tail): Adjust all uses.
7639 (compute_jump_reg_dependencies): Fixed to use glat_start.
7640 (schedule_ebb): Code to remove unreachable last block.
7641 (schedule_ebbs): Added code to update register live information.
7642 * sched-rgn.c (region_sched_info): Initialize new fields.
7643 (get_block_head_tail): Adjust all uses.
7644 (last_was_jump): Removed. Adjust users.
7645 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7646 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7647 Implement new hooks.
7648 (check_dead_notes1): New static function.
7649 (struct region): New fields: dont_calc_deps, has_real_ebb.
7650 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7651 (BB_TO_BLOCK): Fixed to handle EBBs.
7652 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7653 (ebb_head): New static variable.
7654 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7655 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7657 (compute_dom_prob_ps): New assertion.
7658 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7659 global_live_at_start.
7660 (init_ready_list): New assertions.
7661 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7662 (new_ready): Add support for BEGIN_CONTROL speculation.
7663 (schedule_insns): Fixed code that updates register live information
7665 (schedule_region): Fixed to handle EBBs.
7666 (init_regions): Use extend_regions and check_dead_notes1.
7667 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7668 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7669 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7670 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7671 TARGET_SCHED_GEN_CHECK,
7672 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7673 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7674 * doc/invoke.texi (max-sched-insn-conflict-delay,
7675 sched-spec-prob-cutoff): Document.
7677 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7679 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7680 inter_tick, queue_index.
7681 (struct sched_info): Change signature of init_ready_list field.
7682 Adjust all initializations.
7683 (RESOLVED_DEPS): New access macro.
7684 (ready_add): Remove prototype.
7685 (try_ready): Add prototype.
7686 * sched-rgn.c (init_ready_list): Use try_ready.
7687 (schedule_region): Initialize
7688 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7689 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7690 (init_ready_list): Use try_ready.
7691 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7692 * lists.c (remove_list_elem): Remove `static'.
7693 (remove_free_INSN_LIST_elem): New function.
7694 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7695 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7696 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7698 (readyp): New variable.
7699 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7700 change_queue_index, resolve_dep): New static functions.
7701 (try_ready): New function. Adjust callers in sched-rgn.c and
7702 sched-ebb.c to use it instead of ready_add.
7703 (clock_var): Move at the begining of file.
7704 (rank_for_schedule): Fix typo.
7705 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7706 (ready_lastpos): Enforce assertion.
7707 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7709 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7710 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7711 (queue_to_ready): Use free_INSN_LIST_list.
7712 (early_queue_to_ready): Fix typo.
7713 (schedule_block): Init readyp. Move init_ready_list call after the
7714 initialization of clock_var. Fix error in rejecting insn by
7715 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7716 that previously corrected INSN_TICKs. Add code for handling
7718 (set_priorities): Fix typo.
7719 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7720 Clarify comment and code that keeps current_sched_info->next_tail
7723 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7725 * sched-rgn.c (extend_rgns): New static function.
7726 (find_rgns): Use it.
7727 (gather_region_statistics, print_region_statistics): New static
7729 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7730 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7732 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7733 Andrey Belevantsev <abel@ispras.ru>
7735 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7736 * lists.c (unused_deps_list): New variable.
7737 (free_list): Add assertions to verify the proper distinguishing
7738 between INSN_LISTs and DEPS_LISTs.
7739 (find_list_elem, remove_list_elem, remove_list_node): New static
7741 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7742 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7743 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7744 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7746 (free_INSN_LIST_node): Likewise.
7747 * modulo-sched.c (current_sched_info): Initialize flags field.
7748 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7749 * rtl.def (DEPS_LIST): Define.
7750 * rtl.h: Declare new functions from lists.c.
7751 * sched-deps.c (spec_dependency_cache): New static variable.
7752 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7753 (add_dependence): Change return type to void. Move the logic to ...
7754 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7755 (delete_all_dependences): Add comment about forward_dependency_cache.
7756 Handle spec_dependency_cache. Handle DEPS_LISTs.
7757 (fixup_sched_groups): Clarify the change of priority of output
7758 and anti dependencies.
7759 (sched_analyze_2): Adjust add_dependence calls to create data
7760 speculative dependence.
7761 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7762 Adjust all callers. Handle DEPS_LISTS.
7763 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7764 presence of speculation.
7765 (init_dependency_caches, free_dependency_caches):
7766 Handle spec_dependency_cache.
7767 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7768 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7769 New static functions.
7770 (add_or_update_back_dep, add_or_update_back_forw_dep,
7771 add_back_forw_dep, delete_back_forw_dep): New functions.
7772 * sched-int.h (ds_t, dw_t): New typedefs.
7773 (struct sched_info): Add new field flags.
7774 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7775 Prototype new sched-deps.c functions.
7776 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7777 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7778 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7779 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7780 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7781 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7783 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7785 * sched-rgn.c (current_sched_info): Initialize flags field.
7786 (schedule_insns): Initialize current_sched_info before the sched_init
7788 * sched-ebb.c (current_sched_info): Initialize flags field.
7789 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7790 Call add_or_update_back_dep instead of add_dependence.
7791 Create control speculative dependencies.
7792 (schedule_insns): Initialize current_sched_info before the sched_init
7795 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7797 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7799 (sh_fallback_frame_state): Likewise.
7801 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7803 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7804 Do switch on default_use_cxa_atexit.
7805 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7806 * config/darwin-crt3.o: New.
7807 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7808 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7809 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7811 * config/rs6000/t-darwin: Move crt2.o building to here.
7812 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7813 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7816 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7818 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7819 from '! xxx' to '!xxx' for coding-style conformance.
7820 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7821 (EXTRA_CONSTRAINT): Likewise.
7822 * config/vax/vax.md (four unnamed insns): Likewise.
7824 2006-03-15 Paul Brook <paul@codesourcery.com>
7826 * config/arm/arm.c (minipool_pad): New.
7827 (add_minipool_forward_ref): Include pool alignment padding in address
7829 (push_minipool_fix): Set minipool_pad.
7830 (minipool_pad): Ditto.
7832 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7834 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7835 instead of GET_CODE() == MEM and REG_P() instead of
7837 (print_operand_address): Likewise.
7838 (vax_address_cost): Likewise.
7839 (vax_rtx_costs): Likewise.
7840 (vax_notice_update_cc): Likewise.
7841 (vax_output_int_add): Likewise.
7842 (INDEX_REGISTER_P): Likewise.
7843 (BASE_REGISTER_P): Likewise.
7844 (nonindexed_address_p): Likewise.
7845 (vax_mode_dependent_address_p): Likewise.
7846 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7847 (PRINT_OPERAND): Likewise.
7848 * config/vax/vax.md (ashlsi3): Likewise.
7849 (ashlsi3): Likewise.
7850 (some more unnamed insns): Likewise.
7852 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7854 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7855 iterator-style macro.
7856 (mark_control_dependent_edges_necessary): Update the use of
7857 EXECUTE_IF_CONTROL_DEPENDENT.
7859 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7861 * config/sh/predicates.md (cache_address_operand): Special.
7862 (ua_address_operand): Likewise.
7864 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7866 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7868 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7870 2006-03-15 Andreas Schwab <schwab@suse.de>
7872 * gensupport.c (identify_predicable_attribute): Don't free p_false
7873 when it is still in use.
7875 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7877 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7878 the default setting here.
7880 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7882 * tree-pass.h (pass_cfg): Remove.
7883 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7884 * passes.c (pass_cfg): Don't run it.
7886 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7888 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7889 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7891 (stack_regs_mentioned): Update the uses of
7892 stack_regs_mentioned_data. Don't access the array beyond its
7894 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7895 Don't include gt-reg-stack.h.
7897 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7898 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7900 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7903 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7906 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7908 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7910 2006-03-14 Richard Guenther <rguenther@suse.de>
7912 PR tree-optimization/26672
7913 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7916 2006-03-14 Richard Guenther <rguenther@suse.de>
7918 PR tree-optimization/26667
7919 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7920 node for the callees. Always allow inlining if it will shrink
7923 2006-03-14 Richard Guenther <rguenther@suse.de>
7926 * builtins.c (get_pointer_alignment): Prefer alignment
7927 information from decls over that from types.
7929 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7932 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7934 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7936 * config/rs6000/rs6000.opt (mdlmzb): New option.
7937 (msched-prolog, msched-epilog): Use Var not Mask.
7938 * doc/invoke.texi (-mdlmzb): Document.
7939 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7941 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7942 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7944 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7946 PR rtl-optimization/25739
7947 * bt-load.c (augment_live_range): Free tos pointer.
7949 * gensupport.c (identify_predicable_attribute): Free
7951 * gcov.c (create_file_names): Free name pointer.
7953 2006-03-13 Roger Sayle <roger@eyesopen.com>
7956 * stmt.c (emit_case_nodes): Handle the case where the index is a
7957 CONST_INT, where the comparison mode is specified by the index type.
7959 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7961 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7964 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7966 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7967 (*branch_fp_inverted): Likewise.
7969 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7972 * omp-low.c (expand_omp_for_generic): Mark istart0
7973 and iend0 as addressable.
7975 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7977 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7979 2006-03-13 Jeff Law <law@redhat.com>
7981 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7982 virtual operands are interesting.
7983 (vrp_visit_stmt): Corresponding changes.
7985 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7987 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7989 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7990 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7991 * config/bfin/crti.S: Use it instead of __PIC__.
7992 * config/bfin/crtn.S: Likewise.
7994 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7995 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7997 Lose 'G' modifier for call operand.
7998 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7999 recognize 'G' modifier.
8001 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8004 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8005 * stmt.c (expand_case): Likewise.
8007 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8009 PR rtl-optimization/26254
8010 * loop-invariant.c (seq_insns_valid_p): New function.
8011 (move_invariant_reg): Only emit new code if it is valid.
8013 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8015 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8017 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8018 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8019 (commit_one_edge_insertion): Do not look for loop notes.
8021 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8023 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8024 flag_test_coverage out of loop.
8026 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8028 * final.c (shorten_branches): Remove outdated comment, and turn
8029 the if branch that guards it to continue.
8031 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8033 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8034 * cfgloop.h (struct loop): Remove unused fields.
8036 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8038 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8039 (-dL, -fdump-rtl-loop2): Update the dump file names
8041 * doc/invoke.texi: Update dump file names.
8043 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8045 * predict.c (estimate_probability): Remove.
8046 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8047 * basic-block.h (estimate_probability): Remove prototype.
8048 * passes.c (finish_optimization_passes): Dump branch prediction or
8049 profiling heuristics to the .profile tree dump.
8050 (init_optimization_passes): Unqueue pass_branch_prob.
8052 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8054 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8056 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8057 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8059 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8061 * function.h (frame_offset_overflow): Declare.
8062 * function.c (frame_offset_overflow): New function.
8063 (assign_stack_local_1): Call it to detect that the offset overflows.
8064 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8066 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8068 * config/sh/sh.c: Include alloc-pool.h.
8069 (label_ref_list_pool): New alloc pool.
8070 (label_ref_list_t): New type for lists of labels.
8071 (struct pool_node): Make wend a label_ref_list_t.
8072 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8074 (dump_table): Likewise.
8075 (sh_reorg): Set up the alloc pool before using add_constant and
8076 dump_table, and destroy it when finishing.
8078 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8080 * config/mips/mips.c: Remove redundant comment.
8082 2006-03-10 Jason Merrill <jason@redhat.com>
8085 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8086 the target was declared 'register'.
8088 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8090 * genpreds.c (write_insn_constraint_len): Change definition of
8091 insn_constraint_len to return size_t to match the declaration.
8093 2006-03-10 DJ Delorie <dj@redhat.com>
8095 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8097 (m32c_expand_insv): Fix test for an AND mask.
8099 2006-03-10 Richard Guenther <rguenther@suse.de>
8102 * builtins.c (get_pointer_alignment): Handle component
8103 references for field alignment.
8105 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8107 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8108 when building with libgloss.
8109 (sh*elf): Implement --without-fp option.
8110 (sh64-superh-linux*): Don't multilib.
8112 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8114 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8116 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8118 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8119 Set it when one of the replacement functions returned true.
8120 Return TODO_cleanup_cfg if cfgchanged is true.
8121 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8123 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8125 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8126 instead of gen_lowpart.
8128 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8130 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8132 (mips_output_order_conditional_branch): Declare.
8133 * config/mips/mips.h (MIPS_BRANCH): New macro.
8134 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8135 for the comparison. Use gen_condjump.
8136 (mips_output_conditional_branch): Rework interface to take the
8137 asm templates for a direct branch and the inverse of a direct branch.
8138 (mips_output_order_conditional_branch): New function.
8139 (mips_builtin_branch_and_move): New function.
8140 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8141 branch condition. Use gen_single_cc as the condition for
8142 __builtin_mips_upper_* or __builtin_mips_lower_*.
8143 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8144 Use VOIDmode for the branch condition.
8145 * config/mips/predicates.md (order_operator): New predicate.
8146 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8147 (branch_fp): Rename to...
8148 (*branch_fp): ...this. Remove mode from comparison operator.
8149 Use new mips_output_conditional_branch interface.
8150 (branch_fp_inverted): Rename to...
8151 (*branch_fp_inverted): ...this and update as for *branch_fp.
8152 (*branch_zero<mode>): Rename to...
8153 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8154 Use mips_output_order_conditional_branch. Only accept ordered
8156 (*branch_zero<mode>_inverted): Rename to...
8157 (*branch_order<mode>_inverted): ...this and update as for
8158 *branch_order<mode>.
8159 (*branch_equality<mode>): Accept zero as the second operand to
8160 the equality operator. Use the new mips_output_conditional_branch
8162 (*branch_equality<mode>_inverted): Likewise.
8163 (condjump): New expander.
8164 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8166 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8167 (bc1any2t, bc1any2f): Likewise.
8168 (single_cc): New expander.
8169 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8171 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8173 * doc/md.texi: Update documentation of MIPS constraints.
8174 * config/mips/constraints.md: New file.
8175 * config/mips/mips.md: Include it.
8176 * config/mips/mips.c (mips_char_to_class): Delete.
8177 (override_options): Don't initialize mips_char_to_class.
8178 * config/mips/mips.h (mips_char_to_class): Delete.
8179 (REG_CLASS_FROM_LETTER): Delete.
8180 (CONST_OK_FOR_LETTER_P): Delete.
8181 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8182 (EXTRA_CONSTRAINT_Y): Delete.
8183 (EXTRA_CONSTRAINT_STR): Delete.
8184 (CONSTRAINT_LEN): Delete.
8185 (EXTRA_MEMORY_CONSTRAINT): Delete.
8187 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8189 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8190 original fn's eh regions.
8192 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8194 * fold-const.c (build_range_check): Make sure to use a valid type to
8195 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8198 (range_predecessor): New static function.
8199 (range_successor): Likewise.
8200 (merge_ranges): Use them to compute predecessors and successors of
8203 2006-03-09 Roger Sayle <roger@eyesopen.com>
8206 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8207 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8209 2006-03-08 DJ Delorie <dj@redhat.com>
8211 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8212 (addpsi3): Expand to include memory operands. Remove
8213 reload-specific splits.
8214 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8215 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8216 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8217 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8218 (shift1_qi, shift1_hi, insv): New.
8219 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8220 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8221 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8223 * config/m32c/m32c-protos.h: Update as needed.
8224 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8225 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8226 Fail for unrecognized R* constraints.
8227 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8228 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8229 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8231 (m32c_init_libfuncs): New.
8232 (m32c_legitimate_address_p): Add debug wrapper.
8233 (m32c_rtx_costs): New.
8234 (m32c_address_cost): New.
8235 (conversions): Add 'B' prefix.
8236 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8237 operands, or word regnames for QI operands. 'B' prints bit
8239 (m32c_expand_setmemhi): New.
8240 (m32c_expand_movmemhi): New.
8241 (m32c_expand_movstr): New.
8242 (m32c_expand_cmpstr): New.
8243 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8244 (m32c_expand_neg_mulpsi3): Handle non-ints.
8245 (m32c_cmp_flg_0): New.
8246 (m32c_expand_movcc): New.
8247 (m32c_expand_insv): New.
8248 (m32c_scc_pattern): New.
8249 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8250 a0/a1 out of SIregs.
8251 (STORE_FLAG_VALUE): New.
8252 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8255 * config/m32c/mov.md: Make constraints more liberal.
8256 (zero_extendqihi2): Optimize r0/r1 case.
8257 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8258 * config/m32c/predicates.md (m32c_any_operand): New.
8259 (m32c_nonimmediate_operand): New.
8260 (m32c_hl_operand): New.
8261 (m32c_r3_operand): New.
8264 (memsym_operand): New.
8265 (memimmed_operand): New.
8266 (a_qi_operand): New.
8267 (m32c_eqne_operator): New.
8268 (m32c_1bit8_operand): New.
8269 (m32c_1bit16_operand): New.
8270 (m32c_1mask8_operand): New.
8271 (m32c_1mask16_operand): New.
8272 * config/m32c/blkmov.md: New file.
8273 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8275 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8277 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8278 unsigned to fix signed/unsigned comparison issue in
8279 DWARF2_FRAME_REG_OUT.
8280 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8281 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8283 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8284 of ptr into the ENABLE_CHECKING section.
8286 2006-03-08 Jeff Law <law@redhat.com>
8288 * tree-vrp.c (infer_value_range): Only count pointer uses
8289 and dereferences if -fdelete-null-pointer-checks is enabled.
8291 * tree-vrp.c (find_assert_locations): Infer value ranges for
8292 single use pointers, but do not create ASSERT_EXPRs for them.
8293 When a non-null range is inferred for a pointer, backwards
8294 propagate that range to other equivalent pointers through the
8297 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8300 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8301 language hook targets.
8302 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8303 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8304 if language hook targets were missing.
8306 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8308 * tree-ssa-opfinalize.h: Removed.
8309 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8311 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8312 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8313 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8314 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8315 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8316 finalize_ssa_v_must_def_ops): New.
8318 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8320 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8323 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8325 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8327 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8328 addresses with offsets; reorganize.
8330 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8331 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8332 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8334 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8337 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8339 2006-03-08 Ben Elliston <bje@au.ibm.com>
8341 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8343 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8346 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8349 2006-03-07 Richard Guenther <rguenther@suse.de>
8351 PR tree-optimization/26587
8352 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8354 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8356 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8358 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8360 * hooks.c (hook_bool_mode_rtx_true): New function.
8361 * hooks.h (hook_bool_mode_rtx_true): Declare.
8362 * toplev.c (compile_file): Call output_shared_constant_pool.
8363 * varasm.c (shared_constant_pool): New variable.
8364 (assemble_start_function, assemble_end_function): Remove arguments
8365 from call to output_constant_pool.
8366 (create_constant_pool): New function, split out from...
8367 (init_varasm_status): ...here.
8368 (force_const_mem): Choose between the shared and per-function constant
8369 pools. Set current_function_uses_const_pool when reusing old entries
8370 as well as when creating new ones.
8371 (mark_constant): Ignore data argument.
8372 (mark_constants): Remove pool argument.
8373 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8374 to decide whether the function uses a constant pool.
8375 (output_constant_pool_contents): New function, split out from...
8376 (output_constant_pool): ...here.
8377 (output_shared_constant_pool): New function.
8378 (init_varasm_once): Initialize shared_constant_pool.
8379 * output.h (output_constant_pool): Delete.
8380 (output_shared_constant_pool): Declare.
8381 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8382 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8384 2006-03-06 Nick Clifton <nickc@redhat.com>
8386 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8387 flag_strength_reduce.
8389 2006-03-06 Ben Elliston <bje@au.ibm.com>
8391 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8392 x86_64-*-linux* configurations.
8394 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8395 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8397 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8399 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8401 * basic-block.h: Remove the extern for
8402 rediscover_loops_after_threading.
8404 * cfgloop.c (cancel_loop): Make it static.
8405 * cfgloop.h: Remove the prototype for cancel_loop.
8407 * flow.c (recompute_reg_usage): Make it static.
8408 * rtl.h: Remove the prototype for recompute_reg_usage.
8410 * function.c (use_return_register): Make it static.
8411 * function.h: Remove the prototype.
8413 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8415 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8417 * recog.h: Remove the prototype for
8418 validate_change_maybe_volatile.
8420 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8422 * rtlanal.c (replace_reg): Remove.
8423 * rtl.h: Remove the prototype for replace_reg.
8425 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8427 * regclass.c (reg_scan_update): Remove.
8428 (reg_scan_mark_refs): Remove the last argument.
8429 * rtl.h: Remove the prototype for reg_scan_update.
8431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8433 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8434 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8435 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8436 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8437 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8438 loop-invariant.c, omp-low.c, opts.c, passes.c,
8439 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8440 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8441 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8442 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8443 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8444 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8446 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8448 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8449 * dwarf2out.h: Remove the prototype for
8450 dwarf2out_add_library_unit_info.
8452 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8454 * tree.c (add_var_to_bind_expr): Remove.
8455 * tree.h: Remove the prototype for add_var_to_bind_expr.
8457 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8459 * regclass.c (n_non_fixed_regs): Remove.
8460 (init_reg_sets_1, globalize_reg): Remove all uses of
8462 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8464 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8466 * rtlanal.c (insns_safe_to_move_p): Remove.
8467 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8471 * expmed.c (expand_mult_add): Remove.
8472 * expr.h: Remove the prototype for expand_mult_add.
8474 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8476 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8477 and REG_SAVED_VAL_EXP constants.
8478 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8479 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8480 Handle regs stored by value.
8481 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8482 (execute_cfa_program): Handle DW_CFA_val_offset,
8483 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8484 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8485 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8486 (uw_install_context_1): Handle target regs stored by value.
8488 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8490 * tree-sra.c (tree_sra): Return todoflags;
8491 (generate_one_element): Set TODO_update_smt_usage if needed.
8492 (pass_sra): Remove TODO_update_smt_usage.
8493 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8495 (tree_ssa_forward_propagate_single_use_vars): Return
8496 TODO_update_smt_usage if we need to update SMT usage.
8497 (pass_forwprop): Remove TODO_update_smt_usage.
8499 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8501 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8502 (correct_use_link): Remove reference to get_stmt_operands.
8503 (update_stmt_operands): Likewise.
8504 (get_modify_expr_operands): New function factored out of
8505 parse_ssa_operands and get_expr_operands.
8506 Try to create V_MUST_DEFs for LHS by default.
8507 (get_expr_operands) <case MODIFY_EXPR>: Call
8508 get_modify_expr_operands.
8509 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8510 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8511 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8512 get_modify_expr_operands.
8514 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8516 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8517 * tree-flow.h: Remove the prototype for
8518 referenced_var_lookup_if_exists.
8520 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8522 PR rtl-optimization/26345
8524 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8526 2006-03-03 Roger Sayle <roger@eyesopen.com>
8528 PR tree-optimization/26524
8529 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8530 fold_convert to create a constant of the appropriate type.
8532 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8534 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8535 SYMBOL_REF_IN_BLOCK_P.
8536 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8537 of SYMBOL_FLAG_IN_BLOCK.
8538 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8539 instead of SYMBOL_REF_IN_BLOCK_P.
8540 * explow.c (use_anchored_address): Likewise.
8541 * rtl.c (rtx_size): Likewise.
8542 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8543 instead of SYMBOL_FLAG_IN_BLOCK.
8544 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8545 SYMBOL_REF_IN_BLOCK_P.
8546 (assemble_variable): Likewise.
8547 (output_constant_def_contents): Likewise.
8548 (output_constant_pool): Likewise.
8549 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8550 instead of SYMBOL_FLAG_IN_BLOCK.
8551 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8552 SYMBOL_REF_IN_BLOCK_P.
8553 (SYMBOL_REF_BLOCK): Likewise.
8554 (SYMBOL_REF_OFFSET): Likewise.
8555 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8556 SYMBOL_REF_IN_BLOCK_P.
8557 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8558 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8559 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8560 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8562 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8564 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8566 2006-03-02 Roger Sayle <roger@eyesopen.com>
8568 * simplify-rtx.c (simplify_unary_operation): When simplifying
8569 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8570 that we perform the right shift in the appropriate mode, and
8571 then extend or truncate the result to requested mode.
8573 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8575 * gengtype.c (main): Handle double_int type.
8576 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8577 * double-int.c: New file.
8578 * double-int.h: New file.
8579 * system.h: Include doubleint.h.
8580 * Makefile.in (SYSTEM_H): Include double-int.h.
8581 (double-int.o): Add.
8583 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8586 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8589 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8591 * tree-vrp.c (remove_range_assertions): Do not update statements
8594 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8596 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8598 * gcse.c (rest_of_handle_gcse): Ditto.
8599 * except.c (gate_handle_eh): Ditto.
8600 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8601 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8603 2006-03-02 Eric Christopher <echristo@apple.com>
8605 * config/i386/i386.c (machopic_output_stub): Add indirection to
8608 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8612 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8614 Sun Niagara specific optimizations.
8615 * config.gcc: Recognize niagara as target.
8616 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8617 (TARGET_CPU_niagara): Define.
8618 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8619 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8620 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8621 (ASM_CPU_SPEC): Likewise.
8622 (PROCESSOR_NIAGARA): New enum entry.
8623 (REGISTER_MOVE_COST): Handle Niagara.
8624 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8625 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8626 (sparc_override_options): Recognize "niagara", set appropriate
8627 default MASK_* values for it, and align functions to 32-bytes
8628 by default just like ULTRASPARC/ULTRASPARC3.
8629 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8630 (sparc64_initialize_trampoline): Likewise.
8631 (sparc_use_sched_lookahead): Use zero for niagara.
8632 (sparc_issue_rate): Use one for niagara.
8633 * config/sparc/niagara.md: New file.
8634 * config/sparc/sparc.md: Include it.
8635 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8636 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8637 when default cpu is niagara.
8638 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8639 (ASM_CPU_SPEC): Likewise.
8640 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8641 when default cpu is niagara.
8642 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8643 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8644 just like v9/ultrasparc/ultrasparc3.
8645 * doc/invoke.texi: Add documentation for "niagara" and improve
8646 existing documentation for ultrasparc variants.
8648 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8650 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8652 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8654 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8655 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8656 and say that only one is needed.
8657 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8658 * target.h (have_switchable_bss_sections): New hook.
8659 * explow.c (use_anchored_address): Check that the symbol is in a block.
8660 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8661 (bss_noswitch_section): New variables.
8662 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8663 (get_noswitch_section): New function.
8664 (get_block_for_section): Allow SECT to be null.
8665 (unlikely_text_section_p): Use SECTION_STYLE.
8666 (bss_initializer_p): New function.
8667 (get_variable_section): Move earlier in file. Take a new argument,
8668 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8669 Return one of the new *_sections in such cases.
8670 (get_block_for_decl): New function, extracting some logic from
8671 use_blocks_for_decl_p.
8672 (change_symbol_section): Remove in favor of...
8673 (change_symbol_block): ...this new function.
8674 (use_blocks_for_decl_p): Remove checks now performed by
8676 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8677 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8678 (emit_local, emit_bss, emit_common): ...these new functions.
8679 Return true if the alignment was honored.
8680 (emit_tls_common): New function.
8681 (asm_emit_uninitialised): Delete.
8682 (assemble_variable_noswitch): New function, split out from...
8683 (assemble_variable): ...here. Don't make decisions about common
8684 variables here. Globalize all public decls that go into non-common
8685 sections. Check whether SYMBOL_REF_BLOCK is null.
8686 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8687 (output_constant_pool): Likewise.
8688 (init_varasm_once): Initialize the new section variables.
8689 (have_global_bss_p): New function.
8690 (categorize_decl_for_section): Use bss_initializer_p.
8691 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8692 (place_block_symbol): Assert that the symbol must be in a block.
8693 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8694 (TARGET_INITIALIZER): Include it.
8695 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8696 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8697 (SECTION_MACH_DEP): Bump by two.
8698 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8699 (unnamed_section): Mention SECTION_UNNAMED in comment.
8700 (named_section): Likewise SECTION_NAMED.
8701 (noswitch_section_callback): New type.
8702 (noswitch_section): New structure.
8703 (section): Add a noswitch_section alternative.
8704 (SECTION_STYLE): New macro.
8705 (tls_comm_section, comm_section, lcomm_section): Declare.
8706 (bss_noswitch_section, have_global_bss_p): Declare.
8707 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8708 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8710 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8711 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8714 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8716 * tree-vrp.c (execute_vrp): Return value.
8717 * regrename.c (rest_of_handle_regrename): Ditto.
8718 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8719 * tree-complex.c (tree_lower_complex): Ditto.
8720 (tree_lower_complex_O0): Ditto.
8721 * tracer.c (rest_of_handle_tracer): Ditto.
8722 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8723 * postreload.c (rest_of_handle_postreload): Ditto.
8724 * tree-tailcall.c (execute_tail_recursion): Ditto.
8725 (execute_tail_calls): Ditto.
8726 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8727 * tree.h (init_function_for_compilation): Ditto.
8728 * ipa-cp.c (ipcp_driver): Ditto.
8729 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8730 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8731 * final.c (compute_alignments): Ditto.
8732 (rest_of_handle_final): Ditto.
8733 (rest_of_handle_shorten_branches): Ditto.
8734 (rest_of_clean_state): Ditto.
8735 * omp-low.c (execute_expand_omp): Ditto.
8736 (execute_lower_omp): Ditto.
8737 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8738 * ipa-reference.c (static_execute): Ditto.
8739 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8740 * reorg.c (rest_of_handle_delay_slots): Ditto.
8741 (rest_of_handle_machine_reorg): Ditto.
8742 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8743 * flow.c (recompute_reg_usage): Ditto.
8744 (rest_of_handle_remove_death_notes): Ditto.
8745 (rest_of_handle_life): Ditto.
8746 (rest_of_handle_flow2): Ditto.
8747 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8748 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8749 (do_ssa_store_ccp): Ditto.
8750 (execute_fold_all_builtins): Ditto.
8751 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8752 * modulo-sched.c (rest_of_handle_sms): Ditto.
8753 * ipa-pure-const.c (static_execute): Ditto.
8754 * cse.c (rest_of_handle_cse): Ditto.
8755 (rest_of_handle_cse2): Ditto.
8756 * web.c (rest_of_handle_web): Ditto.
8757 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8758 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8759 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8760 * tree-nrv.c (tree_nrv): Ditto.
8761 (execute_return_slot_opt): Ditto.
8762 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8763 (create_structure_vars): Ditto.
8764 * loop-init.c (rtl_loop_init): Ditto.
8765 (rtl_loop_done): Ditto.
8766 (rtl_move_loop_invariants): Ditto.
8767 (rtl_unswitch): Ditto.
8768 (rtl_unroll_and_peel_loops): Ditto.
8769 (rtl_doloop): Ditto.
8770 * gimple-low.c (lower_function_body): Ditto.
8771 (mark_used_blocks): Ditto.
8772 * tree-ssa-sink.c (execute_sink_code): Ditto.
8773 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8774 (cgraph_early_inlining): Ditto.
8775 * global.c (rest_of_handle_global_alloc): Ditto.
8776 * jump.c (cleanup_barriers): Ditto.
8777 (purge_line_number_notes): Ditto.
8778 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8779 (rest_of_handle_if_after_reload): Ditto.
8780 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8781 (tree_ssa_loop_im): Ditto.
8782 (tree_ssa_loop_unswitch): Ditto.
8783 (tree_vectorize): Ditto.
8784 (tree_linear_transform): Ditto.
8785 (tree_ssa_loop_ivcanon): Ditto.
8786 (tree_ssa_empty_loop): Ditto.
8787 (tree_ssa_loop_bounds): Ditto.
8788 (tree_complete_unroll): Ditto.
8789 (tree_ssa_loop_prefetch): Ditto.
8790 (tree_ssa_loop_ivopts): Ditto.
8791 (tree_ssa_loop_done): Ditto.
8792 * predict.c (tree_estimate_probability): Ditto.
8793 * recog.c (split_all_insns_noflow): Ditto.
8794 (rest_of_handle_peephole2): Ditto.
8795 (rest_of_handle_split_all_insns): Ditto.
8796 * tree-eh.c (lower_eh_constructs): Ditto.
8797 * regmove.c (rest_of_handle_regmove): Ditto.
8798 (rest_of_handle_stack_adjustments): Ditto.
8799 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8800 * function.c (instantiate_virtual_regs): Ditto.
8801 (init_function_for_compilation): Ditto.
8802 (rest_of_handle_check_leaf_regs): Ditto.
8803 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8804 (rest_of_handle_gcse): Ditto.
8805 * ipa-type-escape.c (type_escape_execute): Ditto.
8806 * alias.c (rest_of_handle_cfg): Ditto.
8807 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8808 * profile.c (rest_of_handle_branch_prob): Ditto.
8809 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8810 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8811 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8812 * tree-dfa.c (find_referenced_vars): Ditto.
8813 * except.c (set_nothrow_function_flags): Ditto.
8814 (convert_to_eh_region_ranges): Ditto.
8815 (rest_of_handle_eh): Ditto.
8816 * emit-rtl.c (unshare_all_rtl): Ditto.
8817 (remove_unnecessary_notes): Ditto.
8818 * except.h (set_nothrow_function_flags): Ditto.
8819 (convert_to_eh_region_ranges): Ditto.
8820 * cfgexpand.c (tree_expand_cfg): Ditto.
8821 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8822 * tree-ssa-pre.c (do_pre): Ditto.
8823 (execute_fre): Ditto.
8824 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8825 (rest_of_handle_jump2): Ditto.
8826 * tree-sra.c (tree_sra): Ditto.
8827 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8828 (execute_mudflap_function_decls): Ditto.
8829 * tree-ssa-copy.c (do_copy_prop): Ditto.
8830 (do_store_copy_prop): Ditto.
8831 * ipa-prop.h (ipcp_driver): Ditto.
8832 * cfglayout.c (insn_locators_initialize): Ditto.
8833 * tree-ssa-forwprop.c
8834 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8835 * cfglayout.h (insn_locators_initialize): Ditto.
8836 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8837 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8838 (execute_late_warn_uninitialized): Ditto.
8839 * rtl.h (cleanup_barriers): Ditto.
8840 (split_all_insns_noflow): Ditto.
8841 (purge_line_number_notes): Ditto.
8842 (unshare_all_rtl): Ditto.
8843 (remove_unnecessary_notes): Ditto.
8844 (recompute_reg_usage): Ditto.
8845 (variable_tracking_main): Ditto.
8846 * integrate.c (emit_initial_value_sets): Ditto.
8847 * integrate.h (emit_initial_value_sets): Ditto.
8848 * tree-optimize.c (execute_free_datastructures): Ditto
8849 (execute_free_cfg_annotations): Ditto.
8850 (execute_fixup_cfg): Ditto.
8851 (execute_cleanup_cfg_pre_ipa): Ditto.
8852 (execute_cleanup_cfg_post_optimizing): Ditto.
8853 (execute_init_datastructures): Ditto.
8854 * tree-object-size.c (compute_object_sizes): Ditto.
8855 * combine.c (rest_of_handle_combine): Ditto.
8856 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8857 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8858 (rest_of_handle_reorder_blocks): Ditto.
8859 (rest_of_handle_partition_blocks): Ditto.
8860 * var-tracking.c (variable_tracking_main): Ditto.
8861 * tree-profile.c (tree_profiling): Ditto.
8862 * tree-vect-generic.c (expand_vector_operations): Ditto.
8863 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8864 * sched-rgn.c (rest_of_handle_sched): Ditto.
8865 (rest_of_handle_sched2): Ditto.
8866 * basic-block.h (free_bb_insn): Ditto.
8867 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8868 * tree-cfg.c (execute_build_cfg): Ditto.
8869 (remove_useless_stmts): Ditto.
8870 (split_critical_edges): Ditto.
8871 (execute_warn_function_return): Ditto.
8872 (execute_warn_function_noreturn): Ditto.
8873 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8874 * cfgrtl.c (free_bb_for_insn): Ditto.
8875 * passes.c (execute_one_pass): Run additional
8876 todos returned by execute function.
8877 * tree-pass.h (struct tree_opt_pass): Make execute
8880 2006-03-02 Richard Guenther <rguenther@suse.de>
8882 * tree-ssa-alias.c (find_used_portions): Consider taking
8883 the address as making the variable not write-only.
8885 2006-03-02 Nick Clifton <nickc@redhat.com>
8887 * config.gcc (default_use_cxa_atexit): Extend the description of
8888 this configure variable. Set its default value to "yes" for
8889 Linux, NetBSD and ELF targets on the assumption that they will
8890 use C libraries with the __cxa_atexit function.
8892 2006-03-02 Ben Elliston <bje@au.ibm.com>
8894 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8895 parameter as unused to suppress a build warning.
8897 2006-03-02 Ben Elliston <bje@au.ibm.com>
8899 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8902 2006-03-01 Roger Sayle <roger@eyesopen.com>
8905 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8906 declared name, the weak reference name, and the typeof name.
8907 (__gthrw): Avoid expanding the declared name suffix.
8908 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8910 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8912 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8914 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8915 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8916 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8917 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8918 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8919 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8920 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8921 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8922 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8923 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8924 (DW_END_default, DW_END_big, DW_END_little): New.
8925 (DW_END_lo_user, DW_END_hi_user): Define.
8926 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8927 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8928 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8931 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8933 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8935 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8937 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8939 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8941 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8942 to 'symbol_mem_tag'.
8944 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8947 2006-03-01 Roger Sayle <roger@eyesopen.com>
8949 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8951 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8954 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8955 MACHO_DYNAMIC_NO_PIC_P.
8956 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8958 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8961 * config/darwin-protos.h (darwin_asm_output_anchor):
8963 * config/darwin-sections.def (cstring_section):
8964 Add SECTION_MERGE to the flags.
8965 (literal4_section): Likewise.
8966 (literal8_section): Likewise.
8967 (objc_selector_refs_section): Likewise.
8968 (objc_cls_refs_section): Likewise.
8969 * config/darwin.c (darwin_asm_output_anchor): New
8971 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8973 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8975 Fix PR tree-optimization/26443
8976 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8977 to todo and PROP_tmt_usage to properties_destroyed.
8978 * tree-ssa-ccp.c (pass_ccp): Ditto.
8979 (pass_store_ccp): Ditto.
8980 * tree-ssa-dom.c (pass_dominator): Ditto.
8982 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8984 * tree-ssa-operands.c: Cleanup whitespace.
8985 (get_asm_expr_operands): Move before first invocation.
8986 (get_indirect_ref_operands): Likewise.
8987 (get_tmr_operands): Likewise.
8988 (get_call_expr_operands): Likewise.
8989 (append_def): Likewise.
8990 (append_use): Likewise.
8991 (append_v_may_def): Likewise.
8992 (append_v_must_def): Likewise.
8993 (add_call_clobber_ops): Likewise.
8994 (add_call_read_ops): Likewise.
8995 (add_stmt_operand): Likewise.
8996 (add_virtual_operand): Likewise.
8997 (build_ssa_operands): Likewise.
8999 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9004 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9005 with a call expr to ...
9006 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9008 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9010 * tree-vrp.c (extract_range_from_assert): Remove special
9011 handling for types with super-types.
9013 2006-03-01 Ben Elliston <bje@au.ibm.com>
9015 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9016 and powerpc64-*-linux* configurations.
9017 * config/t-dfprules: New file.
9019 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9020 Compile dfp-bit.c from the source directory using -DWIDTH and
9021 $DFP_CFLAGS to control the compilation of that file, rather than
9022 generating width-specific versions in the build directory.
9023 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9024 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9026 2006-02-28 Zack Weinberg <zackw@panix.com>
9028 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9031 2006-02-28 Eric Christopher <echristo@apple.com>
9033 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9034 Set up IN_LIBGCC definition of TARGET_64BIT.
9035 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9037 2006-02-28 Roger Sayle <roger@eyesopen.com>
9040 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9041 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9042 cases via the construction of "expr != 0".
9044 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9046 * alias.c (alias_invariant, alias_invariant_size): Remove.
9047 (record_base_value): Remove.
9048 (memrefs_conflict_p): Don't look at alias_invariant.
9049 (end_alias_analysis): Don't free it.
9050 * alias.h (record_base_value): Remove prototype.
9052 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9053 Adam Nemet <anemet@caviumnetworks.com>
9055 * rtl.h (truncated_to_mode): Declare it.
9056 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9057 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9058 (RTL_HOOKS_INITIALIZER): Include it.
9059 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9060 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9061 reg_truncated_to_mode.
9062 * rtlanal.c (truncated_to_mode): Define it.
9063 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9065 2006-02-28 Jeff Law <law@redhat.com>
9067 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9068 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9069 the range allowed by TYPE_PRECISION.
9071 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9073 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9075 PR tree-optimization/26419
9076 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9079 2006-02-27 Zack Weinberg <zackw@panix.com>
9081 * doc/md.texi: Fix typo in previous change.
9083 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9087 2006-02-27 Zack Weinberg <zackw@panix.com>
9089 * rtl.def (define_constraint, define_register_constraint)
9090 (define_memory_constraint, define_address_constraint): New MD forms.
9091 * gensupport.c (process_rtx): Put define_constraint etc on the
9093 * genpreds.c (process_define_predicate): Adjust comment. Validate
9094 the name, and call validate_exp to validate the expression.
9095 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9096 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9097 all callers changed.
9098 (validate_exp, needs_variable, struct constraint_data)
9099 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9100 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9101 (const_dbl_constraints, constraint_max_namelen)
9102 (have_register_constraints, have_memory_constraints)
9103 (have_address_constraints, have_address_constraints)
9104 (have_extra_constraints, have_const_int_constraints)
9105 (have_const_dbl_constraints, mangle, add_constraint)
9106 (process_define_constraint, process_define_register_constraint)
9107 (write_enum_constraint_num, write_lookup_constraint)
9108 (write_insn_constraint_len, write_regclass_for_constraint)
9109 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9110 (write_insn_extra_memory_constraint)
9111 (write_insn_extra_address_constraint)
9112 (write_satisfies_constraint_fns): New.
9113 (write_tm_preds_h): If we have new-style constraint definitions,
9114 prototype the functions generated from them, and define the
9115 old constraint interface (still used by generic code) in terms of
9117 (write_insn_preds_c): If we have new-style constraint definitions,
9118 generate all relevant functions from those definitions.
9119 (main): Handle define_constraint etc.
9120 * genoutput.c (struct constraint_data, indep_constraints)
9121 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9122 (mdep_constraint_len): New data structures and functions, defined
9123 #ifdef USE_MD_CONSTRAINTS.
9124 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9125 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9126 use new logic to validate operand constraints against constraint
9128 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9130 * defaults.h: If none of the old-style constraint macros are
9131 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9132 old-style macros; and poison REG_CLASS_FROM_LETTER,
9133 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9135 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9136 * doc/md.texi: Document new constraint-definition mechanism and the
9137 C interface it provides. Remove references to old mechanism
9138 elsewhere in the document.
9139 (Machine Constraints): Use pathnames relative to gcc directory,
9140 i.e. config/ARCH/FILE. Change i386 section to refer to
9141 config/i386/predicates.md; update that section to match docstrings.
9142 * doc/tm.texi: Move all documentation of the old constraint-
9143 definition macros to their own section, clearly mark as obsolete.
9145 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9146 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9148 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9149 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9150 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9152 (splits and peepholes): Use satisfies_constraint_*.
9153 * config/i386/i386.c (memory_address_length)
9154 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9156 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9158 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9159 scalar operation to be put back into the loop.
9161 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9164 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9165 (extract_cie_info): Handle S flag in augmentation string.
9166 (execute_cfa_program): If context->signal_frame, execute also
9167 fs->pc == context->ra instructions.
9168 (uw_frame_state_for): If context->signal_frame, don't subtract one
9169 from context->ra to find FDE.
9170 (uw_update_context_1): Set context->signal_frame to
9172 (_Unwind_GetIPInfo): New function.
9173 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9174 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9176 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9177 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9178 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9179 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9180 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9181 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9182 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9183 x86_64_fallback_frame_state): Set fs->signal_frame.
9184 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9185 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9186 (frob_update_context): Likewise. Workaround missing S flag in
9187 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9188 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9189 Remove the psw_addr + 1 hack.
9191 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9193 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9194 with aggregates here.
9195 (find_func_aliases): Remove code for &<aggregate> from here.
9197 2006-02-26 Roger Sayle <roger@eyesopen.com>
9199 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9200 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9201 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9204 2006-02-26 Roger Sayle <roger@eyesopen.com>
9207 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9209 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9211 * opts.c (decode_options): Do not handle flag_strength_reduce.
9212 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9213 and OPT_fstrength_reduce.
9214 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9215 flag_prefetch_loop_arrays for being nonzero.
9216 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9218 (fprefetch-loop-arrays-rtl): Removed.
9219 (flag_prefetch_loop_arrays): Do not specify the value.
9221 * doc/passes.texi: Update documentation of loop optimizer
9223 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9224 -frerun-loop-opt): Remove.
9226 2006-02-26 Richard Guenther <rguenther@suse.de>
9228 PR tree-optimization/26421
9229 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9230 in function calls that are ADDR_EXPRs as using the whole structure.
9232 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9234 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9235 * tree-pass.h (pass_loop_optimize): Remove.
9236 * passes.c (pass_loop_optimize): Never run it.
9237 * toplev.c (backend_init): Don't call init_loop.
9238 * opts.c (flag_loop_optimize_set): Remove.
9239 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9240 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9241 the old RTL loop optimizer when profiling enabled.
9242 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9243 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9244 pre-headers for the sake of the old RTL loop optimizer.
9245 * Makefile.in: Remove all references to loop.o.
9247 * doc/invoke.texi: Remove all references to -floop-optimize
9248 and -frerun-loop-opt.
9250 2006-02-26 Zack Weinberg <zackw@panix.com>
9252 * doc/md.texi (Machine Constraints): Refer to all files with paths
9253 relative to gcc directory (i.e. config/CPU/file). Add missing
9254 @table @code ... @end table to M32C subsection.
9256 2006-02-26 Roger Sayle <roger@eyesopen.com>
9258 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9260 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9262 2006-02-26 Roger Sayle <roger@eyesopen.com>
9263 James A. Morrison <phython@gcc.gnu.org>
9266 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9267 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9268 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9269 signedness of the shift operation.
9271 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9273 PR tree-optimization/26359
9274 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9276 2006-02-25 Roger Sayle <roger@eyesopen.com>
9278 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9279 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9280 as X == 0, and some symmetry related transformations.
9281 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9283 2006-02-25 Roger Sayle <roger@eyesopen.com>
9286 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9287 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9288 symmetry related transformations. Fold (X^C1) == C2 as
9291 2006-02-25 Juergen Weigert <jw@suse.de>
9292 Richard Guenther <rguenther@suse.de>
9294 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9296 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9298 * combine.c (gen_lowpart_or_truncate): Call
9299 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9301 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9303 * doc/invoke.texi: Move -fopenmp description to "Options for
9305 Remove reference to -lgomp.
9307 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9309 * doc/install.texi: Require GNU tar version 1.14.
9311 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9313 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9314 * doc/invoke.texi (C++ Dialect Options): Document
9315 -fno-use-cxa-get-exception-ptr.
9316 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9317 * configure: Regenerate.
9318 * c.opt (fuse-cxa-get-exception-ptr): New.
9319 * c-opts.c (c_common_handle_option): Handle
9320 OPT_fuse_cxa_get_exception_ptr.
9321 * c-common.c (flag_use_cxa_atexit): Update documentation.
9322 (flag_use_cxa_get_exception_ptr): New.
9323 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9324 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9326 (C_COMMON_OVERRIDE_OPTIONS): New.
9328 2006-02-24 Roger Sayle <roger@eyesopen.com>
9331 * combine.c (try_combine): Explicitly check whether GET_CODE is
9332 a SET or a CLOBBER, instead on checking that it isn't a USE.
9334 2006-02-24 Roger Sayle <roger@eyesopen.com>
9336 * fold-const.c (fold_comparison): New subroutine of fold_binary
9337 containing transformations common to both the equality and
9338 ordering relational operators, factored out of fold_binary.
9339 (fold_binary): Separate out the equality operators (EQ_EXPR
9340 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9341 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9342 transformations common to both.
9343 (fold_div_compare): Fix latent bugs in the previously unreachable
9344 LT_EXPR and GE_EXPR cases.
9346 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9348 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9349 decl libname for clog to __clog on AIX.
9351 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9353 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9356 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9357 output traceback table for thunks. Localise rs6000_stack_info call.
9359 2006-02-23 Roger Sayle <roger@eyesopen.com>
9360 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9362 * gthr-posix.h (__gthrw): Fix typo in comment.
9364 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9366 * doc/cpp.texi (Character sets): Document that we do support
9367 input files to be in any character set.
9369 2006-02-23 Jeff Law <law@redhat.com>
9371 * tree.h (PHI_ARG_NONZERO): Remove.
9372 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9373 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9374 node to the new node.
9376 PR tree-optimization/26425
9377 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9378 min/max, then assume its varying.
9380 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9382 PR rtl-optimization/26316
9383 * rtlanal.c (enum may_trap_p_flags): New.
9384 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9385 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9386 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9387 (may_trap_after_code_motion_p): New function.
9388 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9389 (find_invariant_insn): Use may_trap_after_code_motion_p.
9390 * rtl.h (may_trap_after_code_motion_p): Declare.
9392 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9394 * emit-rtl.c (immed_double_const): Cleanup.
9396 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9398 Fix PR tree-optimization/26376
9399 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9402 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9405 * gimplify.c (omp_add_variable): Guard variable size decl test with
9406 DECL_SIZE (decl) check.
9408 2006-02-23 Richard Guenther <rguenther@suse.de>
9411 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9412 like aggregate types.
9414 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9416 * configure.ac: Add --with{,out}-long-double-128 configure option.
9417 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9418 * configure: Rebuilt.
9419 * config.in: Rebuilt.
9420 * doc/install.texi (Options specification): Document
9421 --with-long-double-128.
9423 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9424 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9425 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9426 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9428 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9430 * config/s390/s390.c (override_options): Handle
9431 TARGET_DEFAULT_LONG_DOUBLE_128.
9433 * config/alpha/alpha.c (override_options): Handle
9434 TARGET_DEFAULT_LONG_DOUBLE_128.
9436 * config/sparc/sparc.c (sparc_override_options): Handle
9437 TARGET_DEFAULT_LONG_DOUBLE_128.
9439 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9441 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9442 (real-install-headers-tar, real-install-headers-cpio)
9443 (real-install-headers-cp): New targets.
9445 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9447 * tree.h (variable_section): Delete.
9448 * varasm.c (variable_section): Delete.
9450 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9452 * install.texi: Add notes on install.texi2html.
9453 (Building in parallel): Do not use footnotes.
9455 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9458 * doc/install.texi (Configuration): Document --disable-libgomp.
9460 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9462 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9464 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9466 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9467 (vec_extractv2df_0_sse): New.
9469 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9471 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9472 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9473 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9474 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9475 to the result of the expression.
9476 (def_cfa_1): Adjust.
9477 (frame_pointer_cfa_offset): Rename to...
9478 (frame_pointer_fb_offset): ... this. Adjust all uses.
9479 (convert_cfa_to_loc_list): Rename to...
9480 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9481 Pass it on to build_cfa_loc.
9482 (compute_frame_pointer_to_cfa_displacement): Rename to...
9483 (compute_frame_pointer_to_fb_displacement): ... this. New
9484 offset parameter. Use it in computation.
9485 (gen_subprogram_die): Compute cfa_fb_offset with the new
9486 macro, and use it to compute the fb loc list and the
9489 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9491 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9492 replaced with register_operand.
9493 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9494 non-DREG is expensive.
9495 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9496 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9499 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9501 * doc/install.texi2html: Use set -e.
9503 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9505 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9506 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9507 * doc/invoke.texi (-fshared-data): Delete.
9508 * common.opt (fshared-data): Delete.
9509 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9510 (assemble_static_space): Remove #if 0 code.
9511 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9512 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9513 * config/cris/cris.h: Remove FIXME.
9515 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9517 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9520 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9523 * combine.c (simplify_shift_const_1): Disable nested shifts
9524 optimization for vector shifts.
9526 2006-02-20 Roger Sayle <roger@eyesopen.com>
9528 PR tree-optimization/26361
9529 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9530 of unsigned integer types.
9532 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9534 * tree-chrec.c (eq_evolutions_p): New.
9535 * tree-chrec.h (eq_evolutions_p): Declared.
9536 * tree-data-ref.c: Fix formatting.
9537 (datadep_stats, dependence_stats): New.
9539 (print_direction_vector): New.
9540 (dump_data_dependence_relation): Use print_direction_vector.
9541 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9542 (compute_subscript_distance): Static.
9543 (initialize_data_dependence_relation): Static. Get the number
9544 of loops surrounding the references from the callers, and initialize
9545 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9546 base_object_differ_p analyzers.
9547 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9548 compute_overlap_steps_for_affine_1_2,
9549 analyze_subscript_affine_affine): Count the classified dependences.
9550 Print a message when a test failed.
9551 (can_use_analyze_subscript_affine_affine): New.
9552 (analyze_siv_subscript): Compute the data dependences on symbolic
9553 scevs that verify can_use_analyze_subscript_affine_affine.
9554 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9555 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9556 Handle symbolic scevs.
9557 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9559 (subscript_dependence_tester): Moved...
9560 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9561 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9562 DDR_SIZE_VECT instead of getting it in parameter.
9563 (subscript_dependence_tester): ... here. Take as a parameter
9564 loop_nest_depth. Call build_classic_dist_vector and
9565 build_classic_dir_vector.
9566 (compute_affine_dependence): Update subscript_dependence_tester
9567 parameters. Update datadep_stats counters. Call
9568 compute_subscript_distance.
9569 (compute_self_dependence): Save the dist and dir vectors. Call
9570 compute_subscript_distance.
9571 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9572 (compute_all_dependences): Reorder parameters as they were before
9573 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9574 compute_subscript_distance. Update the use of
9575 compute_affine_dependence and initialize_data_dependence_relation.
9576 (find_data_references_in_loop): Handle COMPONENT_REF.
9577 (compute_data_dependences_for_loop): Initialize dependence_stats.
9578 Don't call build_classic_dist_vector and build_classic_dir_vector.
9579 Update the parameters of initialize_data_dependence_relation and
9580 compute_all_dependences. Print the statistics from datadep_stats.
9581 (analyze_all_data_dependences): Static. Not used until the pass for
9582 checking the data dependences is contributed.
9583 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9584 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9585 (initialize_data_dependence_relation, compute_affine_dependence,
9586 analyze_all_data_dependences, compute_subscript_distance): Removed.
9587 (print_direction_vector): New.
9588 * lambda.h (gcd): ... here.
9589 (lambda_vector_gcd): Moved here from gcd_vector.
9590 * lambda-code.c (gcd, gcd_vector): Removed.
9591 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9592 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9594 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9596 * ipa-type-escape.c: Tidy some comments and white space.
9597 * tree-ssa-operands.c: Likewise.
9599 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9602 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9603 (dump_decl_name): Do not walk the decl tree chains.
9604 * tree-pass.h (TDF_CHAIN): Remove.
9606 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9608 * Makefile.in (C): Remove
9610 (.PHONY): Remove C and PROTO
9612 2006-02-20 Roger Sayle <roger@eyesopen.com>
9615 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9616 deprecated CHAR_TYPE tree code.
9618 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9620 * configure.ac (target_list): Add install-info, dvi, html.
9621 * configure: Regenerate.
9623 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9624 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9625 treelang/Make-lang.in: Do not use double-colon rules.
9627 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9629 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9630 (TMT_USED_ALONE): New macro.
9631 * tree-pass.h (PROP_tmt_usage): New property.
9632 (TODO_update_tmt_usage): New todo.
9633 * tree-ssa-alias.c (updating_used_alone): New variable.
9634 (recalculate_used_alone): New function.
9635 (compute_may_aliases): Set updating_used_alone, call
9636 recalculate_used_alone.
9637 * tree-sra.c (pass_sra): Note that this pass destroys
9638 PROP_tmt_usage, and add TODO_update_tmt_usage.
9639 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9640 * tree-flow.h (updating_used_alone): Prototype.
9641 (recalculate_used_alone): Ditto.
9642 * passes.c (execute_todo): Add code to set updating_used_alone,
9643 and call recalculate.
9644 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9645 for clobber if used alone, and add assert to verify used_alone
9648 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9650 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9651 for non tls symbols added.
9652 (legitimize_address): Do nothing for PLUS expressions if one of the
9653 addends is a tls symbol reference.
9655 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9659 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9661 * Makefile.in (BOOTSTRAPPING): New.
9662 (quickstrap): New definition if BOOTSTRAPPING=yes.
9664 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9665 * configure.ac: Substitute all_selected_languages with the languages
9666 that were configured. For all the other variables except
9667 lang_specs_files, include all the languages in the tree.
9668 * configure: Regenerate.
9670 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9671 if there is one. Run the commands to run fixincludes in the same
9674 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9675 * doc/install.texi: Document exact conventions for searching target tools.
9676 Document --with-build-time-tools. Document toplevel bootstrap. Document
9677 something more about building an Ada cross-compiler. Don't list GNU Make
9678 requirements which affect all platforms.
9680 2006-02-19 Roger Sayle <roger@eyesopen.com>
9683 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9684 only equivalent if the have both the same mode and precision.
9686 2006-02-20 Ben Elliston <bje@au.ibm.com>
9688 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9690 2006-02-19 Roger Sayle <roger@eyesopen.com>
9691 Steven Bosscher <stevenb.gcc@gmail.com>
9693 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9694 constant pool references to identify stack mode constants.
9695 * rtlanal.c (constant_pool_constant_p): New predicate to check
9696 whether operand is a floating point constant in the pool.
9697 * rtl.h (constant_pool_constant_p): Prototype here.
9698 * loop.c (scan_loop): Avoid hoisting constants from the constant
9699 pool on STACK_REGS targets.
9700 (load_mems): Likewise.
9701 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9702 loads into x87 registers expensive in terms of register pressure.
9704 2006-02-19 Roger Sayle <roger@eyesopen.com>
9706 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9707 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9709 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9711 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9712 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9714 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9716 * doc/invoke.texi: Document -fipa-pta.
9717 * common.opt: Add ipa-pta option.
9718 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9719 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9720 (do_ds_constraint): Ditto.
9721 (get_constraint_for): Only add to referenced_vars if
9722 referenced_vars exists.
9723 (insert_into_field_list): Rewrite to do this unsorted.
9724 (insert_into_field_list_sorted): Rename old insert_into_field_list
9726 (create_function_info_for): Use insert_into_field_list_sorted.
9727 (create_variable_info_for): Rewrite so it uses unsorted version,
9728 since the field list is sorted.
9729 (intra_create_variable_infos): Only add to referenced_vars if
9730 referenced_vars exists.
9731 (ipa_pta_execute): Init heapvars, and delete when done.
9732 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9734 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9736 * doc/install.texi: Add missing `@samp'.
9738 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9740 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9743 2006-02-18 Mark Wielaard <mark@klomp.org>
9745 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9746 who added new 4.1 features, bug fixes and integration support.
9748 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9751 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9754 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9756 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9757 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9758 (copy_insn_1): Likewise. Don't copy each field individually.
9760 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9762 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9763 * rtl.c (rtx_size): Rename variable to...
9764 (rtx_code_size): ...this.
9765 (rtx_size): New function.
9766 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9767 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9769 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9770 * rtl.h (rtx_code_size): New variable.
9771 (rtx_size): Change from a variable to a function.
9772 (RTX_SIZE): Rename to...
9773 (RTX_CODE_SIZE): ...this.
9776 PR tree-optimization/17106
9777 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9778 (Anchored Addresses): New section.
9779 * doc/invoke.texi (-fsection-anchors): Document.
9780 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9781 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9782 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9783 * hooks.c (hook_bool_mode_rtx_false): New function.
9784 * hooks.h (hook_bool_mode_rtx_false): Declare.
9785 * gengtype.c (create_optional_field): New function.
9786 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9787 SYMBOL_REF_IN_BLOCK_P is true.
9788 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9789 (min_anchor_offset, max_anchor_offset): Likewise.
9790 (use_anchors_for_symbol_p): New hook.
9791 * toplev.c (compile_file): Call output_object_blocks.
9792 (target_supports_section_anchors_p): New function.
9793 (process_options): Check that -fsection-anchors is only used on
9794 targets that support it and when -funit-at-a-time is in effect.
9795 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9796 if the decl doesn't have one.
9797 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9798 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9799 of force_const_mem through use_anchored_address.
9800 (expand_expr_constant): New function.
9801 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9802 calling expand_expr for INDIRECT_REF.
9803 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9804 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9805 * expr.h (use_anchored_address): Declare.
9806 * loop-unroll.c: Don't declare rtx vectors here.
9807 * explow.c: Include output.h.
9808 (validize_mem): Call use_anchored_address.
9809 (use_anchored_address): New function.
9810 * common.opt (-fsection-anchors): New switch.
9811 * varasm.c (object_block_htab, anchor_labelno): New variables.
9812 (hash_section, object_block_entry_eq, object_block_entry_hash)
9813 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9814 (use_blocks_for_decl_p, change_symbol_section): New functions.
9815 (get_variable_section): New function, split out from assemble_variable.
9816 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9817 use_blocks_for_decl_p say so. Use change_symbol_section if the
9818 symbol has already been created.
9819 (assemble_variable_contents): New function, split out from...
9820 (assemble_variable): ...here. Don't output any code for
9821 block symbols; just pass them to place_block_symbol.
9822 Use get_variable_section and assemble_variable_contents.
9823 (get_constant_alignment, get_constant_section, get_constant_size): New
9824 functions, split from output_constant_def_contents.
9825 (build_constant_desc): Create a block symbol if use_object_blocks_p
9826 says so. Or into SYMBOL_REF_FLAGS.
9827 (assemble_constant_contents): New function, split from...
9828 (output_constant_def_contents): ...here. Don't output any code
9829 for block symbols; just pass them to place_section_symbol.
9830 Use get_constant_section and get_constant_alignment.
9831 (force_const_mem): Create a block symbol if use_object_blocks_p and
9832 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9833 (output_constant_pool_1): Add an explicit alignment argument.
9834 Don't switch sections here.
9835 (output_constant_pool): Adjust call to output_constant_pool_1.
9836 Switch sections here instead. Don't output anything for block symbols;
9837 just pass them to place_block_symbol.
9838 (init_varasm_once): Initialize object_block_htab.
9839 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9840 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9841 (place_block_symbol, get_section_anchor, output_object_block)
9842 (output_object_block_htab, output_object_blocks): New functions.
9843 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9844 (TARGET_ASM_OUT): Include it.
9845 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9846 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9847 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9848 (TARGET_INITIALIZER): Include them.
9849 * rtl.c (rtl_check_failed_block_symbol): New function.
9850 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9851 (block_symbol, object_block): New structures.
9852 (rtx_def): Add a block_symbol field to the union.
9853 (BLOCK_SYMBOL_CHECK): New macro.
9854 (rtl_check_failed_block_symbol): Declare.
9855 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9856 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9857 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9858 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9859 * output.h (output_section_symbols): Declare.
9860 (object_block): Name structure.
9861 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9862 (default_use_anchors_for_symbol_p): Declare.
9863 * Makefile.in (RTL_BASE_H): Add vec.h.
9864 (explow.o): Depend on output.h.
9865 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9866 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9867 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9868 (rs6000_use_blocks_for_constant_p): New function.
9870 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9872 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9874 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9877 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9880 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9882 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9886 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9889 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9890 instead of DECL_REGISTER.
9892 2006-02-18 Olivier Hainque <hainque@adacore.com>
9895 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9897 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9900 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9901 * opth-gen.awk: Handle Var and InverseMask together.
9902 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9903 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9904 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9905 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9907 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9908 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9909 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9910 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9911 LINUX_DYNAMIC_LINKER): Define.
9912 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9913 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9915 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9916 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9917 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9918 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9919 (TARGET_C99_FUNCTIONS): Don't define.
9920 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9921 GLIBC_DYNAMIC_LINKER.
9922 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9923 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9924 GLIBC_DYNAMIC_LINKER64): Define.
9925 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9926 LINUX_DYNAMIC_LINKER64.
9927 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9928 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9929 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9931 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9932 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9933 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9934 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9935 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9937 and LINUX_DYNAMIC_LINKER32.
9938 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9939 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9940 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9942 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9944 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9945 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9946 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9947 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9948 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9949 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9950 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9951 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9952 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9953 LINUX_DYNAMIC_LINKER): Define.
9954 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9955 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9956 GLIBC_DYNAMIC_LINKER64): Define.
9957 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9958 LINUX_DYNAMIC_LINKER64.
9959 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9960 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9961 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9962 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9963 LINUX_DYNAMIC_LINKER): Define.
9964 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9965 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9966 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9967 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9968 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9969 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9970 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9971 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9972 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9973 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9974 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9975 * doc/invoke.texi (-muclibc): Remove caveat about supported
9978 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9980 * doc/cpp.texi (__TIMESTAMP__): Document.
9982 2006-02-17 Roger Sayle <roger@eyesopen.com>
9985 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9986 C is one less than the width of X (and related transformations).
9987 * simplify-rtx.c (simplify_unary_operation_1): Transform
9988 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9989 depending on STORE_FLAG_VALUE, were C is one less then the
9992 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9994 Fix PR tree-optimization/26341
9995 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9996 about NAME_MEMORY_TAG's.
9998 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10001 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10002 with hardware float support, and software float support. Add fcpy
10003 alternative to hardware patterns. Add alternatives to copy between
10004 general and floating-point registers to the 32-bit pattern.
10005 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10006 secondary reload to load a QI or HI mode constant into a floating
10008 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10009 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10011 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10014 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10016 (load_macho_picbase_di): Likewise.
10018 2006-02-16 Jeff Law <law@redhat.com>
10020 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10021 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10022 (ssa_name_nonzero_p): Likewise.
10023 (get_value_range): Return NULL if VRP is not running.
10024 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10025 VRP routines do not discover a range.
10026 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10027 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10028 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10029 (tree_expr_nonnegative_p): Similarly.
10030 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10031 (restore_nonzero_vars_to_original_value): Remove.
10032 (unsafe_associative_fp_binop): Remove.
10033 (tree_ssa_dominator_optimize): Remove initialization and
10034 finalization of nonzero_vars and nonzero_vars_stack.
10035 (dom_opt_initialize_block): No longer push marker on
10036 nonzero_vars_stack.
10037 (dom_opt_finalize_block): No longer call
10038 restore_nonzero_vars_to_original_value.
10039 (record_equivalences_from_phis): No longer look for
10040 nonzero PHI arguments.
10041 (cprop_into_successor_phis): No longer propagate nonzero
10042 property into PHI arguments. Lose unused argument. Caller
10044 (record_equivalences_from_stmt): No longer record nonzero
10045 values for SSA_NAMEs.
10046 (lookup_avail_expr): No longer use nonzero_vars.
10048 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10049 for sizetype when sizetype is unsigned.
10051 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10053 PR rtl-optimization/25603
10054 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10055 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10056 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10057 with new meaning of SETS.
10059 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10064 * config/linux.opt: New file.
10065 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10066 LINUX_DYNAMIC_LINKER): Define.
10067 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10068 * config.gcc (*-*-linux*): Define extra_options.
10069 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10070 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10071 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10072 GLIBC_DYNAMIC_LINKER.
10073 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10074 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10075 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10076 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10077 * doc/invoke.texi (GNU/Linux Options): New section.
10079 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10081 * config/sparc/sparc.md (setjmp): Rewrite.
10082 (setjmp_32): Delete.
10083 (setjmp_64): Likewise.
10085 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10087 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10090 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10092 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10095 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10097 PR rtl-optimization/26296
10098 * Makefile.in (loop-invariant.c): Add except.h dependency.
10099 * loop-invariant.c: Include except.h.
10100 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10102 2005-02-16 Paul Brook <paul@codesourcery.com>
10104 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10107 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10109 PR rtl-optimization/25636
10110 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10111 when deciding whether an insn is an initializing insn.
10113 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10115 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10116 (tree_code_size): Ditto.
10117 * tree.h (struct tree_memory_tag): Remove parent_var.
10118 (struct tree_struct_field_tag): New.
10121 (union tree_node): Add sft member.
10122 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10124 (create_sft): Add size and offset argument, set SFT_OFFSET and
10126 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10127 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10128 * tree-flow-inline.h (get_subvar_at): Update for
10129 SFT_OFFSET/SFT_SIZE.
10130 (var_can_have_subvars): Ditto.
10131 (overlap_subvar): Ditto.
10132 * print-tree.c (print_node): Print out interesting things for
10134 * tree-flow.h (struct subvar): Remove offset and size members.
10135 * tree-ssa-operands.c (get_expr_operands): Update for
10136 get_indirect_ref_operands changes.
10137 (get_indirect_ref_operands): Call add_virtual_operand instead of
10138 add_stmt_operand. Only recurse on base var if requested.
10139 (access_can_touch_variable): New function.
10140 (add_stmt_operand): Split virtual operand handling into ...
10141 (add_virtual_operand): Here. Add offset, size, and for_clobber
10142 arguments. Prune alias sets.
10143 (add_call_clobber_ops): Call add_virtual_operand.
10145 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10147 PR middle-end/26300
10148 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10150 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10151 than TREE_CODE as index into omp_clause_num_ops array.
10153 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10155 PR rtl-optimization/26184
10156 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10158 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10159 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10160 must_precede, must_follow and tobe_scheduled.
10163 * opts.c (common_handle_option): Free new_option pointer.
10164 * df-core.c (df_analyze): Free postorder pointer.
10166 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10168 * Makefile.in: Fix the examples about the use of stamps
10170 2006-02-15 Michael Matz <matz@suse.de>
10172 PR middle-end/22275
10174 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10175 influenced by maximum_field_alignment or DECL_PACKED.
10176 (update_alignment_for_field): Ditto.
10177 (place_field): Ditto.
10178 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10181 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10183 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10184 (debug_flow_info): Pass it.
10185 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10186 * bb-reorder.c (reorder_basic_blocks): Likewise.
10187 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10188 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10189 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10190 * gcse.c (gcse_main, bypass_jumps): Likewise.
10191 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10192 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10193 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10194 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10195 * rtl.h (dump_flow_info): Adjust prototype.
10196 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10197 * var-tracking.c (variable_tracking_main): Likewise.
10198 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10199 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10202 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10204 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10207 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10209 PR tree-optimization/26209
10210 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10211 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10213 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10215 2006-02-14 Roger Sayle <roger@eyesopen.com>
10217 PR middle-end/23670
10218 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10219 (X,Y) and the corresponding symmetry related transformations.
10220 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10221 (X,Y) and its symmetry related transformations.
10223 2006-02-14 Roger Sayle <roger@eyesopen.com>
10225 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10228 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10230 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10232 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10235 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10236 support COMDAT group.
10237 * configure: Regenerate.
10239 2006-02-14 Roger Sayle <roger@eyesopen.com>
10241 PR middle-end/26279
10242 PR middle-end/26280
10243 PR middle-end/26283
10244 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10246 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10248 Fix PR tree-optimization/26260
10250 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10252 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10253 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10254 * tree-ssa-structalias.c (create_variable_info_for): Use
10255 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10257 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10259 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10261 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10262 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10263 of the ending condition.
10264 * tree-ssa-loop-manip.c: Include params.h.
10265 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10266 tree_unroll_loop): New functions.
10267 * tree-pass.h (pass_loop_prefetch): Declare.
10268 * loop.c (rest_of_handle_loop_optimize): Test for
10269 -fprefetch-loop-arrays-rtl.
10270 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10271 * timevar.def (TV_TREE_PREFETCH): New timevar.
10272 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10273 pass_loop_prefetch): New.
10274 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10275 (cleanup_tree_cfg_loop): Call scev_reset.
10276 * common.opt (fprefetch-loop-arrays-rtl): Add.
10277 * tree-ssa-loop-prefetch.c: New file.
10278 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10279 (new_temp_expr_table): Initialize expr_vars.
10280 (free_temp_expr_table): Cleanup expr_vars.
10281 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10282 expressions from being merged into one.
10283 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10284 (struct tree_niter_desc): Add control, bound and cmp fields.
10285 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10287 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10288 (tree-cfgcleanup.o): Add SCEV_H dependency.
10289 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10290 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10292 2006-02-14 Richard Guenther <rguenther@suse.de>
10294 PR tree-optimization/26258
10295 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10296 in PHI argument processing.
10298 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10300 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10301 new expression in the requested machine mode.
10303 2006-02-13 Roger Sayle <roger@eyesopen.com>
10305 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10306 directly, instead let do_compare_rtx_and_jump handle this for us.
10307 * expr.c (expand_expr_real_1): Likewise.
10308 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10309 before do_jump_by_parts_greater.
10310 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10311 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10313 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10315 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10317 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10319 PR rtl-optimization/26235
10320 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10321 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10324 2006-02-13 Jeff Law <law@redhat.com>
10326 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10329 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10331 PR middle-end/26092
10332 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10333 twice if decl is a builtin. When trying again, call get_callee_fndecl
10334 first to verify it is still a builtin.
10336 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10338 * dwarf2out.c (base_type_die): Don't add AT_name here.
10339 (subrange_type_die): Don't add AT_name here.
10340 (modified_type_die): Rearrange code flow. Do add AT_name here.
10342 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10344 PR rtl-optimization/26247
10345 PR rtl-optimization/26248
10346 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10348 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10350 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10351 * config/fixtfdi.c: Likewise.
10352 * config/fixunstfdi.c: Likewise.
10353 * config/floatditf.c: Likewise.
10355 2006-02-13 Roger Sayle <roger@eyesopen.com>
10357 PR middle-end/24427
10358 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10359 into (X,C2) if C1 is a subset of the bits of C2. Transform
10360 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10362 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10364 2006-02-13 Josh Conner <jconner@apple.com>
10367 * varasm.c (function_section): Check for section name before
10368 calling select_section on targets that define
10369 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10370 unlikely_text_section instead of hot_function_section if
10371 first_function_block_is_cold.
10373 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10375 PR middle-end/25335
10376 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10378 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10380 PR rtl-optimization/26222
10381 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10382 after tree->rtl expansion.
10383 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10384 before passing it to emit_move_insn.
10386 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10388 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10390 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10391 Clarify documentation.
10392 * c-common.h (warn_write_strings): Remove.
10393 * c-common.c (warn_write_strings): Likewise.
10394 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10397 2006-02-12 Roger Sayle <roger@eyesopen.com>
10399 PR middle-end/25724
10400 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10401 (do_jump_parts_zero_rtx): New function renamed from
10402 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10403 (do_jump_parts_equality_rtx): New function split out from
10404 do_jump_parts_equality. Old implementation renamed as above.
10405 Call do_jump_parts_zero_rtx if either operand is zero.
10406 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10407 do all of the heavy lifting.
10408 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10409 calling either do_jump_by_parts_greater_rtx or
10410 do_jump_by_parts_equality_rtx.
10411 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10412 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10413 moved to do_compare_rtx_and_jump, call it directly.
10414 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10415 mode argument. Call do_compare_rtx_and_jump.
10416 (emit_case_nodes): Update calls to do_jump_if_equal.
10418 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10420 PR rtl-optimization/26225
10421 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10423 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10425 PR rtl-optimization/26232
10426 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10428 2006-02-11 Jason Merrill <jason@redhat.com>
10431 * tree-inline.c (declare_return_variable): Just don't use the
10432 modify target if it's a gimple complex reg and the return slot
10435 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10437 * doc/contrib.texi: Update my entry.
10439 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10441 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10443 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10445 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10448 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10450 * doc/invoke.texi (-floop-optimize2): Removed.
10451 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10452 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10453 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10454 * common.opt (floop-optimize2): Removed.
10455 (fmove-loop-invariants): Enabled by default.
10457 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10459 * tree-if-conv.c (combine_blocks): Free the result of
10460 get_loop_exit_edges.
10462 2006-02-10 Jeff Law <law@redhat.com>
10464 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10466 PR tree-optimization/26213
10467 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10468 loop trying to follow SSA_NAME_VALUE chains.
10470 2006-02-10 Richard Guenther <rguenther@suse.de>
10472 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10473 deal with structures that end in implicitly variable sized arrays.
10475 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10477 PR rtl-optimization/24762
10478 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10481 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10483 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10484 (struct ivopts_data): Add regs_used field.
10485 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10486 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10487 instead of loop_data->regs_used;
10488 (free_loop_data): Do not free aux fields for loops.
10489 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10490 and tree_ssa_iv_optimize_finalize.
10492 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10494 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10496 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10499 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10500 computing the effective result type.
10502 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10504 PR inline-asm/16194
10505 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10506 (tree_overlaps_hard_reg_set): Declare.
10507 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10508 type and signature to match function type expected by walk_tree.
10509 (tree_overlaps_hard_reg_set): New function.
10510 (decl_conflicts_with_clobbers_p): Rename to:
10511 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10512 Use tree_overlaps_hard_reg_set. Changed caller.
10513 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10514 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10515 * cris.c (cris_md_asm_clobbers): Likewise.
10517 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10519 * reload1.c (emit_input_reload_insns): Delete code that tries to
10520 inherit using find_equiv_reg.
10522 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10524 * c-common.h (flag_const_strings): Don't declare.
10525 * c-common.c (flag_const_strings): Remove.
10526 * c.opt (fconst_strings): Remove.
10527 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10528 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10529 (c_common_init_options): Don't set flag_const_strings.
10530 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10532 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10534 * arm.md (tlobits_cbranch): New pattern.
10535 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10536 testing a single bit.
10538 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10541 * tree-ssa-pre.c (create_component_ref_by_pieces):
10542 Handle RETURN_DECL like VAR_DECL.
10544 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10546 PR middle-end/26134
10547 * fold-const.c (fold_indirect_ref_1): Fold
10548 "*(foo *)&complexfoo" to "__real__ complexfoo"
10549 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10551 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10553 * tree-flow-inline.h (var_can_have_subvars):
10554 Volatile variables should not have subvariables.
10556 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10559 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10560 multiplying unsigned values.
10563 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10565 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10567 2006-02-08 Jason Merrill <jason@redhat.com>
10570 * tree.def: Elaborate on difference from MODIFY_EXPR.
10571 * doc/c-tree.texi (INIT_EXPR): Likewise.
10572 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10573 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10574 (gimplify_target_expr): Likewise.
10575 (gimplify_cond_expr): Remove target handling.
10576 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10577 (gimplify_expr): Clobber it here.
10578 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10579 Do return slot optimization if we have an INIT_EXPR.
10582 * tree-inline.c (declare_return_variable): Also clear
10583 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10586 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10588 PR middle-end/22439
10589 * gimplify.c (gimplify_one_sizepos): Fix typo.
10591 2006-02-08 Jeff Law <law@redhat.com>
10593 PR tree-optimization/21417
10594 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10595 across a backedge if the control statement at the end of the
10596 block is data dependent on other statements in the same block.
10597 (record_temporary_equivalences_from_stmts): Remove over-conservative
10598 test for threading across backedges.
10600 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10601 control statement, handle all three special cases in the same
10602 manner as they all have the same desired solution. No longer
10603 special case edge flag updating when the post dominator is
10606 2006-02-08 Roger Sayle <roger@eyesopen.com>
10608 * tree.def (CHAR_TYPE): Remove.
10609 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10610 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10611 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10612 (gen_string_type_die): Delete unreachable function.
10614 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10615 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10616 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10617 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10618 * builtins.c (type_to_class): Likewise.
10619 * fold-const.c (fold_convert, build_range_check,
10620 merge_ranges): Likewise.
10621 * expr.c (count_type_elements): Likewise.
10622 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10623 * stor-layout.c (layout_type): Likewise.
10624 * ipa-type-escape.c (type_to_consider): Likewise.
10625 * gimplify.c (omp_firstprivatize_type_sizes,
10626 gimplify_type_sizes): Likewise.
10627 * explow.c (promote_mode): Likewise.
10628 * tree-sra.c (is_sra_scalar_type): Likewise.
10629 * varasm.c (output_constant): Likewise.
10630 * tree-inline.c (remap_type_1): Likewise.
10631 * convert.c (convert_to_pointer, convert_to_real,
10632 convert_to_integer, convert_to_complex): Likewise.
10634 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10636 * df-scan.c (df_def_record_1): A set destination may
10637 be a parallel regardless of mode.
10639 2006-02-08 Roger Sayle <roger@eyesopen.com>
10642 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10643 * config/mips/_tilib.c: Remove.
10644 * config/fixtfdi.c: New libgcc source file.
10645 * config/fixunstfdi.c: New source file.
10646 * config/floatditf.c: New source file.
10647 * config/floatunditf.c: New souce file.
10648 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10649 files above instead of config/mips/_tilib.c.
10650 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10652 2006-02-08 Jeff Law <law@redhat.com>
10654 PR tree-optimization/26169
10655 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10658 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10660 * df.h (DF_REG_SIZE): Return the length of the initialized
10663 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10665 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10666 __muldf3): Return a correctly signed zero.
10668 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10670 * passes.c (register_one_dump_file): Accept the current properties
10671 instead of pass number. Adjust call to dump_register. Remove
10673 (register_dump_files): Now a wrapper around...
10674 (register_dump_files_1): ... this one. Do not modify the pass
10676 (next_pass_1): Cosmetic fix.
10677 (execute_todo): Keep second parameter only. Use curr_properties
10678 instead of fetching it from the pass structure. Check and set
10680 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10681 instead of fetching it from the pass structure. Fix calls to
10682 execute_todo. Update curr_properties and initialize .vcg RTL dump
10683 after running the pass. Reset last_verified.
10684 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10686 (FIRST_AUTO_NUMBERED_DUMP): New.
10687 (dump_register): Remove "num" parameter, assign it within the
10689 (get_dump_file_name): Modify template for dumps.
10690 * tree-dump.h (dump_register): Adjust prototype.
10691 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10692 (PROP_trees): Add PROP_gimple_lomp.
10693 (TODO_set_props): New.
10694 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10695 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10696 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10698 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10700 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10701 (sparc64-*-linux*): Likewise.
10702 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10703 * config/sparc/t-linux: New file.
10704 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10705 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10706 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10707 -m32 -mlong-double-128.
10709 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10710 * config/alpha/t-linux: New file.
10711 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10713 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10714 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10715 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10716 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10717 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10718 (CPP_ARCH32_SPEC): Remove.
10720 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10722 PR tree-optimization/26145
10723 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10726 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10729 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10730 >= 240000 when generating code for SOM runtime.
10731 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10732 to $$dyncall when generating code for SOM runtime..
10734 2006-02-07 Dirk Mueller <dmueller@suse.com>
10737 * doc/invoke.texi (-Wsequence-point): Update documentation
10738 that -Wsequence-point is implemented for C++ as well.
10740 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10742 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10743 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10744 (LIB_SPEC): Likewise.
10745 * doc/invoke.texi (SPARC options): Document -pthread.
10747 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10749 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10752 2006-02-07 Roger Sayle <roger@eyesopen.com>
10754 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10755 Correct comment describing BOOLEAN_TYPE.
10757 2006-02-07 Dirk Mueller <dmueller@suse.com>
10759 * c.opt: C++ frontend supports -Wdiv-by-zero.
10760 * c-opts.c (c_common_handle_option): Remove dead case.
10762 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10764 * configure.ac (TLS assembler check): Do not enable TLS by
10765 default on SPARC/Solaris before version 10.
10766 * configure: Regenerate.
10768 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10770 * doc/invoke.texi (xl-compat): Document conversion and support
10773 2006-02-07 Jeff Law <law@redhat.com>
10775 * tree-vrp.c (find_conditional_asserts): Update comments.
10776 (simplify_stmt_for_jump_threading): New.
10777 (identify_jump_threads, finalize_jump_threads): New.
10778 (vrp_finalize): Call identify_jump_threads.
10779 (execute_vrp): Call finalize_jump_threads.
10780 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10781 (vrp_element, vrp_data, vrp_element_p): Remove.
10782 (vrp_hash_elt, vrp_variables_stack): Remove.
10783 (vrp_hash, vrp_eq, record_range): Remove.
10784 (simplify_cond_and_lookup_avail_expr): Remove.
10785 (extract_range_from_cond): Remove.
10786 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10787 (simplify_stmt_for_jump_threading): New.
10788 (dom_thread_across_edge): New wrapper.
10789 (tree_ssa_dominator_optimize): No longer initialize or
10790 finalize any of the VRP datastructures. Remove iteration
10791 step and simplify as a result of removal of iteration step.
10792 (pass_dominator): Perform a cfg cleanup after DOM.
10793 (dom_opt_finalize_block): Use the new common routines
10794 for threading jumps. Simplify stack management slightly.
10795 No longer need to unwind VRP state.
10796 (record_equivalences_from_incoming_edge): No longer record
10798 (eliminate_redundant_computations): No longer call
10799 simplify_cond_and_lookup_avail_expr.
10800 * tree-flow.h (potentially_threadable_block): Prototype.
10801 (thread_across_edge): Likewise.
10802 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10803 (tree-ssa-threadedge.o): Add dependencies.
10804 * tree-ssa-threadedge.c: New file.
10805 * passes.c (init_optimization_passes): Merge PHIs before
10806 calling VRP. Run VRP again late in the SSA optimization pipeline.
10808 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10810 * df-core.c (df_set_blocks): Do not dereference function pointers.
10811 (df_finish1): Likewise.
10812 (df_hybrid_search_forward): Likewise.
10813 (df_hybrid_search_backward): Likewise.
10814 (df_iterative_dataflow): Likewise.
10815 (df_analyze_problem): Likewise.
10816 (df_compact_blocks): Likewise.
10817 (df_dump): Likewise.
10818 * df-scan.c (df_rescan_blocks): Likewise.
10819 (df_record_entry_block_defs): Likewise.
10821 * genconditions.c (write_conditions): Guard the definition of
10822 'insn_conditions' with the check on GCC version.
10823 (write_writer): Guard the traversal 'insn_conditions' with
10824 the check on GCC version.
10826 2006-02-07 Richard Guenther <rguenther@suse.de>
10830 2006-01-30 Richard Guenther <rguenther@suse.de>
10832 * gimplify.c (gimplify_target_expr): Handle easy cases
10833 without creating a temporary.
10835 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10837 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10838 use of float in probability computations. Use edge probabilities
10839 in place of statically computed probabilities.
10840 (min_spec_prob): New static variable.
10841 (schedule_insns): Initialize it.
10842 (GET_SRC_PROB): Removed.
10843 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10845 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10848 * config/ia64/unwind-ia64.c: Revert last change.
10849 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10850 (INCOMING_FRAME_SP_OFFSET): Define.
10852 2006-02-06 Roger Sayle <roger@eyesopen.com>
10854 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10856 2006-02-07 Ben Elliston <bje@au.ibm.com>
10858 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10859 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10860 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10861 (ix86_return_in_memory): Handle TDmode.
10862 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10863 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10865 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10867 * reorg.c (dbr_schedule): Use dump_file instead of file.
10869 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10872 * config/ia64/predicates.md (extr_len_operand): New predicate.
10873 * config/ia64/ia64.md (extv): Tighten constraints.
10875 (*tbit_and_2): Ditto.
10876 (*tbit_and_3): Ditto.
10877 (*tbit_or_2): Ditto.
10878 (*tbit_or_3): Ditto.
10879 (*bit_zero): Ditto.
10882 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10885 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10887 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10889 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10890 loop_optimizer_init and loop_optimizer_finalize
10891 * tree-ssa-sink.c (execute_sink_code): Ditto.
10892 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10893 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10894 tree_ssa_loop_done): Ditto.
10895 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10896 * sched-ebb.c: Include output.h.
10897 (schedule_ebbs): Do not use dump argument.
10898 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10899 * loop.c (loop_dump_stream): Removed.
10900 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10902 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10903 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10904 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10905 loop_iterations, strength_reduce, record_biv, record_giv,
10906 final_giv_value, check_final_value, check_ext_dependent_givs,
10907 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10908 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10909 dump_file instead of loop_dump_stream.
10910 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10911 argument dump_file.
10912 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10914 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10915 * haifa-sched.c: Include output.h
10916 (schedule_insns, sched_init): Do not use dump argument.
10917 * mode-switching.c (optimize_mode_switching): Ditto.
10918 * modulo-sched.c (stats_file): Removed.
10919 (print_node_sched_params): Do not call argument dump_file.
10920 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10921 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10923 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10925 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10926 rtl_loop_init, rtl_loop_done): Ditto.
10927 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10928 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10930 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10931 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10932 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10933 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10934 * emit-rtl.c (renumber_insns): Ditto.
10935 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10936 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10937 * regclass.c (regclass): Ditto.
10938 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10939 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10940 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10941 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10943 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10944 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10946 * gcse.c (gcse_file, debug_stderr): Removed.
10947 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10948 rest_of_handle_gcse): Do not use dump argument.
10949 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10950 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10951 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10952 compute_code_hoist_vbeinout, compute_code_hoist_data,
10953 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10954 compute_store_table, build_store_vectors, insert_insn_start_bb,
10955 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10956 store_motion): Use dump_file instead of gcse_file.
10957 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10958 * profile.c (profile_dump_file): Removed.
10959 (branch_prob): Use dump_file instead of profile_dump_file.
10960 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10962 * tree-ssa-copy.c (dump_copy_of): Ditto.
10963 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10964 dump file to life_analysis.
10965 * bt-load.c (branch_target_load_optimize): Ditto.
10966 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10968 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10969 regclass, dbr_schedule): Declaration changed.
10970 * sched-int.h (sched_init): Declaration changed.
10971 * tree-profile.c (tree_profile_dump_file): Removed.
10972 (tree_profile_hooks): Removed profile_dump_file hook.
10973 * rtl-profile (rtl_profile_dump_file): Removed.
10974 (rtl_profile_hooks): emoved profile_dump_file hook.
10975 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10977 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10978 * tree-cfg.c (build_tree_cfg): Ditto.
10979 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10980 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10981 Declaration changed.
10982 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10983 life_analysis and schedule_insns.
10984 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10986 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10988 * config/mips/mips.c (mips_reorg): Ditto.
10989 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10992 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10994 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10995 (s390_mangle_fundamental_type): New.
10996 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10999 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11000 (alpha_mangle_fundamental_type): New.
11001 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11004 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11006 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11008 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11009 (sparc_mangle_fundamental_type): New.
11011 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11013 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11014 (s390x-*-linux*): Likewise.
11015 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11016 * config/s390/t-linux: New file.
11018 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11020 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11021 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11023 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11025 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11026 (ANTIC_SAFE_LOADS): New macro.
11027 (find_or_generate_expression): Add prototype.
11028 (set_contains_value): Allow null set for sake of not always having
11029 to allocate ANTIC_SAFE_LOADS.
11030 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11031 Allow COMPONENT_REF too.
11032 (valid_in_set): Allow COMPONENT_REF.
11033 Check ANTIC_SAFE_LOADS too.
11034 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11035 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11037 (can_PRE_operation): Add COMPONENT_REF.
11038 (create_component_ref_by_pieces): New function.
11039 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11040 (insert_aux): Move AGGREGATE_TYPE_P check here.
11041 (compute_avail): Set bb local stmt uids.
11042 (pass_pre): Use TODO_update_ssa_only_virtuals.
11044 2006-02-06 Ben Elliston <bje@au.ibm.com>
11046 * configure.ac: Unconditionally disable decimal float by default.
11047 * configure: Regenerate.
11049 2006-02-06 Ben Elliston <bje@au.ibm.com>
11051 * read-rtl.c (read_name): Terminate reading on EOF.
11053 2006-02-06 Ben Elliston <bje@au.ibm.com>
11055 * dfp.c (decimal_real_arithmetic): Change second argument type
11056 from int to enum tree_code. Do not always return true, but now
11057 return result of any call to decimal_do helper functions.
11058 * dfp.h (decimal_real_arithmetic): Update prototype.
11060 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11062 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11064 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11067 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11070 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11072 * tree-vrp.c (cfg_loops): Removed.
11073 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11074 Use current_loops instead of cfg_loops. Pass flags to
11075 loop_optimizer_init.
11076 * cfgloopmanip.c (fix_loop_structure): Update only available
11078 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11079 loop_optimizer_init.
11080 * modulo-sched.c (build_loops_structure): Removed.
11081 (sms_schedule): Use loop_optimizer_init.
11082 * loop-init.c (loop_optimizer_init): Use flags to determine
11083 which properties of loops to prepare.
11084 (rtl_loop_init): Pass flags to loop_optimizer_init.
11085 * tree-ssa-sink.c (execute_sink_code): Ditto.
11086 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11087 * tree-ssa-pre.c (init_pre): Ditto.
11088 * cfgloop.h (LOOPS_NORMAL): New.
11089 (loop_optimizer_init): Declaration changed.
11091 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11093 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11094 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11096 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11098 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11100 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11101 * pa/t-pa64: Delete quadlib.c rule.
11102 * pa/x-ada: Revert last change.
11103 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11105 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11107 PR rtl-optimization/26087
11108 * rtlanal.c (canonicalize_condition): Do not cross basic block
11111 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11114 * config/ia64/ia64.c: Include debug.h.
11115 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11116 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11117 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11118 (process_epilogue, process_set, process_for_unwind_directive):
11119 Output unwind info only if requested. Add CFA info if requested.
11120 Add new arguments as needed. Adjust callers.
11121 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11123 (DWARF2_FRAME_INFO): Define to zero.
11124 * config/ia64/unwind-ia64.c: Remove code that compensated for
11125 the CFA offset error fixed above.
11126 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11127 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11128 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11129 -funwind-tables and -fexceptions to enable frame info.
11130 (dwarf2out_frame_init): Define initial CFA even if
11131 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11132 DWARF2_UNWIND_INFO is nonzero, not just defined.
11133 (dwarf2out_frame_finish): Output non-EH call frame info only
11134 if DWARF2_FRAME_INFO is nonzero.
11135 (convert_cfa_to_loc_list,
11136 compute_frame_pointer_to_cfa_displacement): Define even if
11137 unwind info is not supported.
11138 (gen_subprogram_die): Use the above unconditionally. Remove
11139 legacy alternate code.
11140 * toplev.c (compile_file): Compile in call to
11141 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11142 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11144 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11145 Jakub Jelinek <jakub@redhat.com>
11147 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11148 IBM extended float format long double as "g" on powerpc*-linux.
11150 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11153 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11154 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11156 2006-02-03 Jason Merrill <jason@redhat.com>
11159 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11161 PR middle-end/25977
11162 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11163 on the return slot if it's an NRV.
11165 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11167 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11168 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11169 rewrite_use): Do not handle USE_OUTER.
11170 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11171 add_iv_outer_candidates, may_replace_final_value,
11172 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11173 (find_interesting_uses_op): Functionality of
11174 find_interesting_uses_outer_or_nonlin moved here.
11175 (find_interesting_uses_outside): Use find_interesting_uses_op.
11177 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11180 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11182 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11183 Ulrich Weigand <uweigand@de.ibm.com>
11186 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11187 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11188 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11189 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11191 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11192 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11193 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11194 Define secondary reloads for TFmode moves.
11195 (constant_modes): Add TFmode.
11196 (NR_C_MODES): Set to 8.
11197 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11199 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11200 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11201 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11202 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11203 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11204 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11205 (FPR mode macro): Add TFmode.
11206 (DSF mode macro): New.
11207 (<de>, <dee> mode attributes): Removed.
11208 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11209 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11210 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11211 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11212 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11213 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11214 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11215 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11216 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11217 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11218 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11219 "*negabs<mode>2", "sqrt<mode>2"):
11220 Changed <de> to <xde>. R constraint replaced by <Rf>.
11221 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11223 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11224 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11225 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11227 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11228 "extenddftf2", "extendsftf2"): New expanders.
11229 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11230 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11231 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11232 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11234 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11235 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11236 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11237 __floatditf): Add a GCC_4.1.0 symbol version tag.
11238 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11241 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11244 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11245 Use targetm.binds_local_p instead of TREE_PUBLIC.
11247 2006-02-02 Roger Sayle <roger@eyesopen.com>
11249 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11250 on INTEGER_TYPEs to indicate that it denotes a character type.
11251 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11252 signed_char_type_node, unsigned_char_type_node and char_type_node.
11253 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11254 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11255 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11257 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11258 Daniel Berlin <dberlin@dberlin.org>
11260 * tree-tailcall.c (arg_needs_copy_p): New function.
11261 (eliminate_tail_call): Use arg_needs_copy_p.
11262 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11263 (add_virtual_phis): New function.
11265 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11267 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11268 #ignore instead of #scratch for %g7 .register directive.
11270 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11272 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11275 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11277 * flow.c (calculate_global_regs_live): Assert that there aren't any
11280 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11282 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11283 what its name says.
11284 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11285 bsi_after_labels iterator.
11286 * tree-if-conv.c (find_phi_replacement_condition,
11287 replace_phi_with_cond_modify_expr): Likewise.
11288 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11289 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11291 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11293 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11295 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11298 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11299 array after growing it.
11301 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11303 PR middle-end/24901
11304 * fold-const.c (fold_checksum_tree): Change type of buf.
11306 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11308 * reload.c (push_secondary_reload): Initialize t_icode.
11310 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11312 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11313 -msoft-float -mlong-double-128 only issue a warning, but don't
11314 swich to DFmode long double.
11316 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11318 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11319 has a constant equivalent, iterate over equivalents for arg0,
11320 calling simplify_relational_operation and if there's a result
11321 cheaper than X, apply fold_rtx and return the result.
11323 2006-02-01 Jan Hubicka <jh@suse.cz>
11325 * opts.c (no_unit_at_a_time_default): New global variable.
11326 (decode_options): Use it.
11327 * opts.h (no_unit_at_a_time_default): Declare.
11329 2006-02-01 Paul Brook <paul@codesourcery.com>
11331 * function.c (assign_parm_setup_reg): Use function argument promotion
11333 * expr.c (expand_expr_real_1): Use function argument promotion rules
11336 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11338 * gcc.c (process_command): Change j to 'unsigned int'.
11340 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11342 PR middle-end/26001
11343 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11344 Use the corrected index for the character
11345 out of the string constant.
11347 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11349 * mode-switching.c (optimize_mode_switching): Fix size
11350 allocated for bb_info[n_entities].
11352 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11354 * gcc.c (main): Correct type that is allocated for
11355 explicit_link_files.
11357 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11359 * config/s390/s390.c (init_alignment_context): Set
11360 ALIAS_SET_MEMORY_BARRIER on the MEM.
11361 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11363 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11365 PR middle-end/25933
11366 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11368 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11371 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11373 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11374 * regrename.c: Ditto.
11375 * tree-ssa-loop-im.c: Ditto.
11376 * tree-dump.c: Ditto.
11377 * tree-complex.c: Ditto.
11378 * genrecog.c: Ditto.
11379 * tree-ssa-threadupdate.c: Ditto.
11381 * java/class.c: Ditto.
11382 * java/jcf-parse.c: Ditto.
11383 * java/resource.c: Ditto.
11384 * java/except.c: Ditto.
11385 * java/jvspec.c: Ditto.
11386 * java/jcf-write.c: Ditto.
11387 * java/jcf-path.c: Ditto.
11388 * java/gjavah.c: Ditto.
11389 * java/zextract.c: Ditto.
11390 * java/jcf-io.c: Ditto.
11391 * java/jcf.h: Ditto.
11392 * java/buffer.c: Ditto.
11393 * java/lang.c: Ditto.
11394 * java/parse-scan.y: Ditto.
11395 * java/lex.c: Ditto.
11396 * java/lex.h: Ditto.
11397 * cfgloopmanip.c: Ditto.
11398 * postreload-gcse.c: Ditto.
11399 * tree-ssa-loop-manip.c: Ditto.
11400 * postreload.c: Ditto.
11401 * tree-ssa-loop-ch.c: Ditto.
11404 * cppspec.c: Ditto.
11405 * diagnostic.c: Ditto.
11407 * genoutput.c: Ditto.
11409 * cfghooks.c: Ditto.
11410 * cfgloopanal.c: Ditto.
11411 * objc/objc-act.c: Ditto.
11413 * genextract.c: Ditto.
11414 * genautomata.c: Ditto.
11415 * pretty-print.c: Ditto.
11416 * genemit.c: Ditto.
11417 * cgraphunit.c: Ditto.
11419 * df-scan.c: Ditto.
11420 * haifa-sched.c: Ditto.
11421 * dominance.c: Ditto.
11423 * tree-ssa-loop-ivopts.c: Ditto.
11424 * df-core.c: Ditto.
11425 * mode-switching.c: Ditto.
11426 * modulo-sched.c: Ditto.
11428 * ipa-pure-const.c: Ditto.
11430 * fix-header.c: Ditto.
11432 * tree-stdarg.c: Ditto.
11433 * ipa-utils.c: Ditto.
11434 * loop-init.c: Ditto.
11435 * ipa-inline.c: Ditto.
11436 * cfganal.c: Ditto.
11438 * alloc-pool.c: Ditto.
11439 * dwarf2out.c: Ditto.
11441 * genattrtab.c: Ditto.
11442 * tree-ssa-loop-ivcanon.c: Ditto.
11443 * predict.c: Ditto.
11444 * timevar.c: Ditto.
11446 * fortran/gfortranspec.c: Ditto.
11447 * regmove.c: Ditto.
11448 * local-alloc.c: Ditto.
11449 * langhooks.c: Ditto.
11450 * function.c: Ditto.
11451 * tree-vectorizer.c: Ditto.
11453 * ipa-type-escape.c: Ditto.
11455 * tree-if-conv.c: Ditto.
11456 * profile.c: Ditto.
11458 * tree-data-ref.c: Ditto.
11459 * loop-unroll.c: Ditto.
11460 * treelang/treetree.c: Ditto.
11462 * bt-load.c: Ditto.
11463 * ggc-common.c: Ditto.
11465 * coverage.c: Ditto.
11467 * tree-cfgcleanup.c: Ditto.
11468 * tree-ssa-pre.c: Ditto.
11469 * cfgcleanup.c: Ditto.
11470 * loop-invariant.c: Ditto.
11471 * loop-iv.c: Ditto.
11472 * ipa-prop.c: Ditto.
11473 * print-tree.c: Ditto.
11474 * conflict.c: Ditto.
11475 * ggc-page.c: Ditto.
11476 * sched-deps.c: Ditto.
11477 * regclass.c: Ditto.
11478 * tree-object-size.c: Ditto.
11479 * combine.c: Ditto.
11480 * bb-reorder.c: Ditto.
11481 * resource.c: Ditto.
11482 * var-tracking.c: Ditto.
11483 * cfgloop.c: Ditto.
11484 * df-problems.c: Ditto.
11485 * reg-stack.c: Ditto.
11487 * gccspec.c: Ditto.
11488 * sched-rgn.c: Ditto.
11489 * tree-ssa-structalias.c: Ditto.
11490 * tree-ssa-reassoc.c: Ditto.
11491 * config/darwin-c.c: Ditto.
11492 * config/darwin.c: Ditto.
11493 * config/arm/arm.c: Ditto.
11495 * collect2.c: Ditto.
11496 * reload1.c: Ditto.
11498 2006-01-31 Nicolas Pitre <nico@cam.org>
11500 * arm.md (smaxsi3): Make aware of smax_m1.
11503 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11505 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11507 2006-01-31 Richard Guenther <rguenther@suse.de>
11509 * doc/invoke.texi (-msselibm): Document.
11510 * target.h (expand_library_builtin): New target hook.
11511 * builtins.c (expand_builtin): Use expand_library_builtin.
11512 (default_expand_library_builtin): New function.
11513 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11514 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11515 (link_gcc_math_spec): Declare.
11516 (static_specs): Add link_gcc_math_spec.
11517 * expr.h (default_expand_library_builtin): Declare.
11518 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11519 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11520 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11521 * config/i386/i386.opt (msselibm): New target option.
11522 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11523 (ix86_init_sse_abi_builtins): New function.
11524 (ix86_expand_library_builtin): Likewise.
11525 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11526 (override_options): Handle error conditions wrt -msselibm.
11527 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11528 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11529 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11532 2006-01-31 Richard Guenther <rguenther@suse.de>
11533 Paolo Bonzini <bonzini@gnu.org>
11535 * doc/install.texi (--disable-libgcc-math): Document.
11537 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11539 * expr.h (expand_normal): new inline function.
11540 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11541 * dojump.c: use it.
11542 * dwarf2out.c: use it.
11545 * expmed.c: use it.
11546 * except.c: use it.
11547 * config/sparc/sparc.c: use it.
11548 * config/i386/i386.c: use it.
11549 * config/rs6000/rs6000.c: use it.
11550 * config/arm/arm.c: use it.
11551 * config/mips/mips.c: use it.
11552 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11554 2006-01-30 Roger Sayle <roger@eyesopen.com>
11556 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11557 argv to the appropriate type.
11559 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11561 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11564 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11567 * config/s390/s390.c (struct machine_function): New flag
11568 decomposed_literal_pool_addresses_ok_p.
11569 (s390_reorg): Set it before final stage of literal pool transforms.
11570 (s390_decompose_address): Only accept displacements of the form
11571 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11573 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11575 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11576 the comparison routine return.
11578 2006-01-30 Michael Matz <matz@suse.de>
11580 * global.c (find_reg): Only evict for global regs.
11581 Take n_refs into account and dump more info.
11583 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11586 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11587 (pragma_trap, pragma_nosave_low_regs): Likewise.
11588 (current_function_anonymous_args): Likewise.
11589 (sh_deferred_function_attributes): New variable.
11590 (sh_deferred_function_attributes_tail): Likewise.
11591 (print_operand): For '@', look up trap_exit attribute.
11592 (calc_live_regs): Look up trapa_handler attribute. For trapa
11593 handlers, save/restore fpscr, but don't do any other
11594 interrupt-specific saves.
11595 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11596 Fix check for partially saved registers to check for SHmedia.
11597 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11598 (sh_output_function_epilogue): Don't clear any of the removed
11600 (sh_insert_attributes): Don't check pragma_interrupt.
11601 Insert deferred attributes. Check that interrupt attribute is
11602 present for other attributes that require its presence.
11603 (sh_attribute_table): Add new attributes trapa_handler and
11605 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11606 Don't check for pragma_interrupt. Don't store argument.
11607 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11608 (sh_deferred_function_attributes): Declare.
11609 (sh_deferred_function_attributes_tail): Likewise.
11610 * sh.md (sp_switch_1): Add operand. Change generator caller.
11611 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11612 (*return_i): Don't use when trap_exit attribute is in effect.
11613 (*return_trapa): New insn pattern.
11614 * sh-c.c: New file.
11615 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11616 setting c_target_objs and cxx_target_objs.
11617 * t-sh: Add rule for sh-c.o.
11619 2006-01-30 Richard Guenther <rguenther@suse.de>
11622 * gimplify.c (gimplify_target_expr): Handle easy cases
11623 without creating a temporary.
11625 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11627 * vec.h (safe_grow): Remove duplicated line.
11629 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11632 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11633 (expand_omp): ... here.
11634 (expand_omp_parallel): Only remove barriers for combined
11635 parallel+workshare constructs.
11637 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11641 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11642 * tree.c (build_qualified_type): Chain the new type to the original
11643 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11644 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11645 (build_pointer_type_for_mode): Only return unqualified types.
11646 (build_reference_type_for_mode): Likewise.
11648 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11650 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11651 * Makefile.in (CXX_COMPAT_WARN): Define.
11652 * configure: Regenerate.
11654 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11657 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11660 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11662 * toplev.c: Fix thinko.
11664 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11665 Marcin Dalecki <martin@dalecki.de>
11667 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11668 (push_srcloc): Use XNEW.
11669 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11671 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11673 * df-core.c (df_set_blocks): Deleted all variable.
11675 2006-01-28 Ian Lance Taylor <ian@airs.com>
11677 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11678 cgraph_output_pending_asms.
11680 2006-01-28 Zack Weinberg <zackw@panix.com>
11682 * c.opt: Add -W(no-)overlength-strings.
11683 * doc/invoke.texi: Document it.
11684 * c-opts.c (c_common_handle_option): -pedantic implies
11685 -Woverlength-strings, if not explicitly disabled already.
11686 (c_common_post_options): -Woverlength-strings defaults to off, and
11687 is always off for C++.
11688 * c-common.c (fix_string_type): Issue warning about strings longer
11689 than is portable only if warn_overlength_strings. Rearrange code
11690 a little for clarity.
11691 * configure.in: Check for -Wno-overlength-strings as well before
11692 enabling -pedantic in stage 1.
11693 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11694 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11696 * genconditions.c (write_header, write_one_condition)
11697 (write_conditions, write_writer): Consolidate very long strings
11698 that were broken up to fit in C89 portable limit. Don't use
11699 printf when fputs will do.
11701 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11703 * combine.c (simplify_comparison <AND>): Check
11704 TRULY_NOOP_TRUNCATION before start using a subreg.
11706 * config/mips/mips.md (*branch_zero<mode>,
11707 *branch_zero<mode>_inverted, *branch_equality<mode>,
11708 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11709 Remove mode check from comparisons.
11711 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11713 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11715 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11717 * expmed.c (const_mult_add_overflow_p): Remove.
11718 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11720 * recog.c (validate_replace_rtx_subexp): Remove.
11721 * recog.h: Remove the prototype for
11722 validate_replace_rtx_subexp.
11724 * integrate.h: Remove the prototype for
11725 copy_decl_for_inlining.
11726 * rtl.h: Remove the prototype for mark_constant_function.
11727 * tree-vectorizer.h: Remove the prototype for
11728 vect_strip_conversion.
11730 * modulo-sched.c (create_partial_schedule,
11731 free_partial_schedule, reset_partial_schedule): Make them
11734 * hooks.c (hook_bool_rtx_int_false): Remove.
11735 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11737 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11739 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11740 and -mlong-double-128 are incompatible.
11741 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11742 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11743 (TARGET_LIBGCC2_CFLAGS): Define.
11744 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11745 (TARGET_LIBGCC2_CFLAGS): Same.
11746 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11748 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11751 * c-typeck.c (build_binary_op): Perform implicit casts of
11752 operands before shortening them.
11754 * cfgloopmanip.c (split_loop_bb): Remove.
11755 * cfgloop.h: Remove the prototype for split_loop_bb.
11757 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11758 * cfgloop.h: Remove the prototype for
11759 flow_loop_outside_edge_p.
11761 * emit-rtl.c (init_virtual_regs): Make it static.
11762 * function.h: Remove the prototype for init_virtual_regs.
11764 * recog.c (peephole2_optimize): Make it static.
11765 * recog.h: Remove the prototype for peephole2_optimize.
11767 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11769 * df-scan.c (df_record_entry_block_defs): Check if
11770 INCOMING_RETURN_ADDR_RTX is defined.
11772 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11773 Kenneth Zadeck <zadeck@naturalbridge.com>
11775 PR rtl-optimization/24762
11776 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11777 * targhooks.c (hook_void_bitmap): New hook prototype.
11778 * targhoohs.h (hook_void_bitmap): Ditto.
11779 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11780 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11781 * target.h (live_on_entry): New function pointer.
11782 * df-scan.c (df_all_hard_regs): Removed.
11783 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11784 (df_scan_free_internal): Added df->entry_block_defs.
11785 (df_scan_alloc): Ditto.
11786 (df_scan_dump): Ditto.
11787 (df_uses_record): Plumbed flag field properly thru calls.
11788 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11789 This part fixes PR24762.
11790 (df_bb_refs_record): Added code to make the frame and arg
11791 pointers live in EH blocks.
11792 (df_refs_record): Added call to df_record_entry_block_defs.
11793 (df_record_entry_block_defs): New function.
11794 * df-core.c: Added comments to describe new artifical defs.
11795 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11796 (entry_block_defs): New field in struct df.
11797 (df_all_hard_regs): Deleted.
11798 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11799 * df-problems.c (df_ru_bb_local_compute_process_def):
11800 Added code to handle artifical defs in the entry to a function.
11801 (df_ru_bb_local_compute): Ditto.
11802 (df_rd_bb_local_compute_process_def): Ditto.
11803 (df_rd_bb_local_compute): Ditto.
11804 (df_lr_bb_local_compute): Ditto.
11805 (df_ur_bb_local_compute): Ditto.
11806 (df_urec_bb_local_compute): Ditto.
11807 (df_chain_create_bb): Ditto.
11808 (df_ur_local_finalize): Removed entry.
11809 (df_urec_init): Ditto.
11810 (df_urec_local_finalize): Ditto.
11811 (df_ri_bb_compute): Added detection of last use of pseudos.
11812 * Makefile.in (df-scan.o): Updated dependencies.
11813 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11814 * config/mips/mips.c (mips_set_live_on_entry): Added.
11815 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11817 * dce.c (marked_insn_p): Added code to handle artifical defs.
11819 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11821 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11823 (_mm_cvtsi128_si64): Likewise.
11824 (_mm_cvtsd_si64): Likewise.
11825 (_mm_cvttsd_si64): Likewise.
11826 (_mm_cvtsi64_sd): Likewise.
11827 (_mm_cvtsi64_si128): Likewise.
11828 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11829 (_mm_cvtsi64_m64): Likewise.
11830 (_m_to_int64): Likewise.
11831 (_mm_cvtm64_si64): Likewise.
11832 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11833 (_mm_cvttss_si64): Likewise.
11834 (_mm_cvtsi64_ss): Likewise.
11835 (_mm_cvtss_f32): Likewise.
11837 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11839 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11840 for pragma redefine_extname.
11842 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11845 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11846 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11847 -mno-minimal-toc to previous content.
11848 (bispecs): Remove goal.
11849 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11850 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11851 compatibility aliases on powerpc-*-*gnu*.
11852 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11853 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11854 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11855 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11856 (ldblspecs): New goal.
11857 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11858 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11860 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11861 L_sf_to_tf or L_df_to_tf is defined.
11863 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11864 Alan Modra <amodra@bigpond.net.au>
11867 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11868 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11869 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11870 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11871 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11872 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11873 (rs6000_override_options): Initialize rs6000_ieeequad.
11874 Initialize TFmode format to ibm_extended_format if not
11876 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11878 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11879 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11880 (function_arg_advance): IBM long double passed in two FPRs, not
11882 (function_arg): IBM long double passed in FPRs.
11883 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11884 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11885 Only multireg GPR aligned.
11886 (rs6000_init_libfuncs): Enable IBM long double functions if not
11888 (rs6000_generate_compare): Use IBM long double compare if not
11890 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11891 (TARGET_IEEEQUAD): Define.
11892 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11893 not TARGET_IEEEQUAD.
11894 * config/rs6000/rs6000.md: Enable TFmode patterns if
11896 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11897 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11898 and -mlong-double-128 are incompatible.
11899 * doc/invoke.texi (-mabi): Collect options together. Add
11900 ibmlongdouble and ieeelongdouble.
11902 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11904 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11906 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11907 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11908 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11909 * rtl.h (rtunion_def): Remove rt_ptr.
11911 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11912 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11913 * config/i386/winnt.c (i386_pe_mark_dllexport)
11914 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11916 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11918 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11920 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11924 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11925 pthread_key_delete. From John David Anglin. gthrw-ify
11926 pthread_getunique_np only if it it's not a macro. Delete
11928 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11929 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11930 __gthread_objc_condition_signal, __gthread_key_delete): Add
11931 "__attribute__ ((__unused__))" to unused arguments.
11932 (__gthread_recursive_mutex_init_function): Add missing return.
11933 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11934 gthr-posix95.h: Use macro-based approach for name redirection
11935 on targets missing weakref.
11937 2006-01-26 Zack Weinberg <zackw@panix.com>
11939 * genconditions.c (write_header): In generated code, #ifdef out
11940 all includes and fake declarations, except includes of bconfig.h
11941 and system.h, unless GCC_VERSION >= 3001. Do not include
11942 gensupport.h in any case.
11943 (write_conditions): Generate a definition of struct c_test. Add
11944 a comment to the generated #endif.
11945 (write_one_condition): Escape backslashes in string too.
11946 (write_writer): Generated code must escape backslashes and quote
11947 marks (but not newlines) in the strings it writes.
11948 * Makefile.in (build/gencondmd.o): Update dependencies.
11950 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11953 * Makefile.in (insn-automata.o): Add header file dependencies.
11954 * genautomata.c: Add includes.
11956 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11959 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11961 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11963 * configure.ac: Expect target tools paths to be passed from the toplevel
11964 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11966 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11968 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11971 * c.opt (Wpointer-sign): Init to -1.
11972 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11973 OPT_pedantic, to 0 otherwise.
11974 * doc/invoke.texi: Update.
11976 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11978 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11979 constants provided by 80387 instructions in the destination mode.
11981 2006-01-26 Richard Guenther <rguenther@suse.de>
11982 Andrew Pinski <pinskia@physics.uc.edu>
11985 partial PR tree-opt/17064
11986 * tree-ssa-structalias.c (intra_create_variable_infos):
11987 Create heap variables for incoming parameters if
11988 flag_argument_noalias > 1.
11989 (find_what_p_points_to): Look through default defs of
11992 2006-01-26 Jeff Law <law@redhat.com>
11995 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11996 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11997 within the VR_RANGE, use the VR_RANGE as the result, not the
11999 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12000 bounds for the type.
12002 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12004 * tree-ssa-alias.c (maybe_create_global_var): Change
12005 subvar walking to an assertion that we don't have subvar'd variables.
12007 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12010 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12011 Use a new variable, inner. PARM_DECLs are always non-weak.
12013 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12015 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12016 --disable-checking.
12018 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12020 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12022 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12024 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12025 (smax_insn, smin_insn, smax_0, smin_0): New.
12027 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12030 * config/cris/cris.c (cris_order_for_addsi3): New function.
12031 * config/cris/cris-protos.h: Prototype it.
12032 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12033 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12034 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12035 (split for "op.S1 [rx=rx+i],ry (swapped)")
12036 (split for "op(s|u).S1 [rx=rx+i],ry")
12037 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12038 Apply cris_order_for_addsi3 when generating addsi3 insns.
12040 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12042 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12043 (TREE_BLOCK): Add call to EXPR_CHECK.
12045 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12048 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12049 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12050 (dump_omp_clauses): ... here.
12051 (dump_generic_node): Handle OMP_CLAUSE.
12052 * tree.c (omp_clause_num_ops): New.
12053 (omp_clause_code_name): New.
12054 (tree_code_size): Handle OMP_CLAUSE.
12055 (tree_size): Likewise.
12056 (make_node): Document handling of OMP_CLAUSE.
12057 (tree_node_structure): Handle OMP_CLAUSE.
12058 (omp_clause_check_failed): New.
12059 (omp_clause_range_check_failed): New.
12060 (omp_clause_operand_check_failed): New.
12061 (build_omp_clause): New.
12062 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12063 * tree.h (enum omp_clause_code): Declare.
12064 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12065 (OMP_CLAUSE_RANGE_CHECK): Define.
12066 (OMP_CLAUSE_ELT_CHECK): Define.
12067 (omp_clause_check_failed): Declare.
12068 (omp_clause_operand_check_failed): Declare.
12069 (omp_clause_range_check_failed): Declare.
12070 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12071 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12072 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12073 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12074 (OMP_CLAUSE_IF_EXPR): Likewise.
12075 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12076 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12077 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12078 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12079 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12080 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12081 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12082 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12083 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12084 (OMP_CLAUSE_CODE): Define.
12085 (OMP_CLAUSE_SET_CODE): Define.
12086 (OMP_CLAUSE_CODE): Define.
12087 (OMP_CLAUSE_OPERAND): Define.
12088 (struct tree_omp_clause): Declare.
12089 (union tree_node): Add field 'omp_clause'.
12090 * treestruct.def (TS_OMP_CLAUSE): Define.
12091 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12092 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12093 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12094 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12095 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12096 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12097 (OMP_CLAUSE): Define.
12098 * print-tree.c (print_node): Handle OMP_CLAUSE.
12099 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12100 * c-typeck.c: Likewise.
12101 * gimplify.c: Likewise.
12102 * c-omp.c: Likewise.
12103 * tree-nested.c: Likewise.
12104 * tree-inline.c: Likewise.
12105 * c-parser.c: Likewise.
12106 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12109 2006-01-25 Roger Sayle <roger@eyesopen.com>
12111 PR rtl-optimization/25703
12112 * combine.c (try_combine): Handle zero_extract and strict_low_part
12113 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12115 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12117 * global.c: Fix comment typos.
12119 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12122 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12123 Use output_addr_const instead of assemble_name.
12125 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12127 * Makefile.in (sched-vis.o): Update dependencies.
12128 * haifa-sched.c (sched_finish): Clear current_sched_info.
12129 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12130 (dump_flow_info): Call it.
12131 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12133 * basic-block.h (dump_bb_info): Declare.
12134 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12135 option, and apply options only for dump files whose TDF_RTL,
12136 TDF_TREE, or TDF_IPA bits match.
12137 * rtl.h: Declare new functions exported from sched-vis.c.
12138 * sched-vis.c: Enable also if scheduling is not used.
12139 (print_value): Print the mode of registers if not inside scheduling.
12140 (print_insn): Make it work outside the scheduler. Beautify the output
12142 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12144 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12146 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12147 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12148 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12149 depending on the value of CONSTANT_POOL_ADDRESS_P.
12150 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12152 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12153 rather than SYMBOL_REF_DECL.
12154 (rtx_constant_pool): Remove const_rtx_sym_htab.
12155 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12156 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12157 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12158 Remove handling of const_rtx_sym_htab.
12159 (find_pool_constant): Delete.
12160 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12161 rather than find_pool_constant.
12162 (get_pool_constant_for_function): Delete.
12163 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12164 find_pool_constant.
12165 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12166 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12167 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12168 (SYMBOL_REF_CONSTANT): New macro.
12169 (get_pool_constant_for_function): Delete.
12170 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12171 rather than SYMBOL_REF_DECL.
12172 (i386_pe_mark_dllimport): Likewise.
12173 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12174 rather than SYMBOL_REF_DECL.
12175 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12176 (machopic_indirect_call_target): Likewise.
12178 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12180 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12182 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12184 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12186 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12188 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12190 2006-01-24 David Daney <ddaney@avtrex.com>
12193 * configure.ac (enable_tls): New enable option.
12194 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12195 * configure: Regenerate.
12196 * doc/install.texi (--enable-tls): Document new option.
12197 (--disable-tls): Ditto.
12199 2006-01-24 Richard Henderson <rth@redehat.com>
12201 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12202 * alias.c (true_dependence): Respect it.
12203 (canon_true_dependence, write_dependence_p): Likewise.
12204 * builtins.c (get_builtin_sync_mem): Set it.
12206 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12208 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12211 2006-01-24 DJ Delorie <dj@redhat.com>
12213 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12214 for storing constants in single-bit bitfields.
12216 2006-01-25 Ben Elliston <bje@au.ibm.com>
12218 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12220 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12223 * tree-ssa-pre.c (phi_translate): Return NULL
12224 for AGGREGATE_TYPE's.
12226 2006-01-24 Zack Weinberg <zackw@panix.com>
12228 * genautomata.c (process_state_for_insn_equiv_partition):
12229 Use xcalloc for insn_arcs_array.
12230 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12231 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12233 2006-01-24 Richard Henderson <rth@redhat.com>
12235 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12236 update all callers.
12238 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12240 PR rtl-optimization/25890
12241 PR rtl-optimization/25905
12242 * combine.c (expand_compound_operation, expand_field_assignment):
12243 Fail if the bitfield's final position is out of bounds.
12245 2006-01-24 Ian Lance Taylor <ian@airs.com>
12247 PR middle-end/25930
12248 * cgraphunit.c (cgraph_output_in_order): Don't clear
12249 cgraph_asm_nodes until after asm strings have been output.
12251 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12253 * fix-header.c (read_scan_file): Add new parameter imultilib when
12254 calling register_include_chains.
12256 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12258 * omp-low.c: Update documentation.
12260 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12261 Daniel Berlin <dberlin@dberlin.org>
12265 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12266 return from the function.
12268 2006-01-22 Zack Weinberg <zackw@panix.com>
12270 * rtl.def (match_code): Add second argument.
12271 * genpreds.c (write_extract_subexp): New function.
12272 (write_match_code): Add path argument. Use write_extract_subexp.
12273 (write_predicate_expr): Pass path to write_match_code.
12274 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12275 not perform a mode test.
12276 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12277 a subexpression does not constrain the top-level code set.
12278 * read-rtl.c (read_rtx_variadic): New function.
12279 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12280 * doc/md.texi: Document new notation.
12281 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12282 (cmpsi_operand): ... here, using new notation.
12284 2006-01-22 Zack Weinberg <zackw@panix.com>
12286 * varray.c: Remove GENERATOR_FILE #ifdefs.
12288 2006-01-22 Zack Weinberg <zackw@panix.com>
12290 * genautomata.c (output_reserved_units_table): Emit nothing if
12291 description->query_units_num is zero. Remove extra blank line.
12292 (output_cpu_unit_reservation_p): Short circuit
12293 if description->query_units_num is zero.
12295 2006-01-22 Zack Weinberg <zackw@panix.com>
12297 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12298 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12299 nor any of the random handful of variables that used to be necessary
12300 when this program was linked with rtlanal.o. Prune set of forward
12301 function declarations.
12302 (struct attr_desc): Remove static_p field.
12303 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12304 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12305 (attr_string): Do not read the character one past the length of
12307 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12308 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12309 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12310 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12311 (make_automaton_attrs): New.
12312 (main): Do not call into genautomata. Call local gen_bypass
12313 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12314 Remove special case for insn_alts.
12315 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12316 varray.h (leftover from previous change). Prune set of forward
12317 function declarations. Remove state_alts fields from all
12318 structures. Remove state_alts_table from struct automaton.
12319 Make everything except main static. Do not maintain num_dfa_decls.
12320 Do not maintain state_alts fields of various structures.
12321 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12322 (add_arc): Remove state_alts argument. All callers updated.
12323 (output_reserved_units_table): Emit #ifdef here...
12324 (output_tables): ...not here. Don't generate state_alts tables.
12325 (expand_automata): Don't generate attributes.
12326 (write_automata): Don't generate state_alts functions.
12327 (main): New function.
12328 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12329 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12330 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12331 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12332 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12333 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12334 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12335 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12337 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12338 * genattrtab.h: Delete file.
12339 * Makefile.in (OBJS-common): Add insn-automata.o.
12340 (insn-automata.o): New rule.
12341 (simple_generated_c): Add insn-automata.c.
12342 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12343 (genprogmd): Add automata.
12344 (build/genattrtab): Needs no extra objects nor libraries.
12345 (build/genautomata): Needs build/vec.o and -lm.
12347 2006-01-22 Zack Weinberg <zackw@panix.com>
12349 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12350 (output_dfa_max_issue_rate, locked_states_num): Delete.
12351 (struct automaton): Add locked_states field.
12352 (output_dead_lock_vect): Save number of locked states in
12353 automaton->locked_states. If it is zero, don't print anything.
12354 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12355 (output_internal_dead_lock_func): Only test the dead_lock_vect
12356 for automata that have locked states.
12357 (output_statistics): Always print the number of locked states for
12358 each automaton. Calculate total number of locked states here.
12359 (write_automata): Don't call output_dfa_max_issue_rate.
12360 * genattrtab.c: Define length_unit_log as a const variable.
12361 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12362 max_insn_queue_index const.
12363 * final.c (length_unit_log): Declare const.
12364 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12366 2006-01-22 Zack Weinberg <zackw@panix.com>
12368 * genautomata.c: Include vec.h, not varray.h.
12369 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12370 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12371 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12372 VEC_* macros operating on appropriately typed vectors, or to
12373 malloced arrays when the size is known in advance. Const-ify
12374 many char* variables and function arguments. No functional changes.
12375 * Makefile.in (build/varray.o): Delete rule.
12376 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12377 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12379 2006-01-22 Zack Weinberg <zackw@panix.com>
12381 * gensupport.c: Define get_insn_name and record_insn_name here.
12382 (read_md_rtx): Call record_insn_name as appropriate.
12383 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12384 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12385 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12387 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12388 (BUILD_VARRAY): Delete.
12389 (genprognormal): Rename genprogmd. Fold in all programs from
12390 genprognoprint; also attrtab.
12391 (build/genattrtab): Just mention genautomata.o and varray.o.
12392 Reorganize a bit, add comments to make the categories clearer.
12394 2006-01-22 Zack Weinberg <zackw@panix.com>
12396 * genconditions.c (condition_table, add_condition): Delete.
12397 (write_conditions): Don't emit n_insn_conditions nor
12398 insn_elision_unavailable. Issue the gcc version #ifdef here,
12399 inside the table, with no #else clause ...
12400 (write_header): ...not here.
12401 (write_writer): New function.
12402 (main): Don't initialize condition_table. Use add_c_test.
12404 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12405 files on the command line.
12406 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12407 Return -1 if there is no entry in the table, don't abort.
12408 (add_c_test, traverse_c_tests): New functions.
12409 * gensupport.h (insn_elision_unavailable, insn_conditions)
12410 (n_insn_conditions): Delete declarations.
12411 (add_c_test, traverse_c_tests): Declare.
12412 * read-rtl.c: Include gensupport.h.
12413 (read_conditions): New function.
12414 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12415 (read_rtx_1): If we get EOF when we were looking for an initial
12416 open paren, return 0. Call read_conditions when appropriate.
12417 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12418 dummy-conditions.o. Eliminate references to insn-conditions.o,
12419 or change them to build/gencondmd.o, as appropriate. Remove
12420 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12421 from $(simple_generated_c). For all files remaining in those
12422 two lists, add insn-conditions.md to the generator command line.
12423 Give insn-constants.h/s-constants their own rules. Add rules
12424 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12425 (build/read-rtl.o): Depend on gensupport.h.
12426 (genprognormal): Include preds.
12427 (genprogearly): Rename genprognoprint; only difference is now that
12428 they don't link with $(BUILD_PRINT).
12429 * dummy-conditions.c: Delete.
12431 2006-01-22 Zack Weinberg <zackw@panix.com>
12433 * genextract.c: Don't include insn-config.h. Do include vec.h.
12434 Declare vectors of int, char, and locstr.
12435 (locstr): New typedef.
12436 (struct extraction): Make all array fields into bare pointers.
12437 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12438 (insn_code_number): Delete.
12439 (accum_extract): New struct.
12440 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12441 (gen_insn): Take insn_code_number as an argument. Use an
12442 accum_extract structure instead of loading data directly into
12443 a struct extraction, and having to know how big it might get.
12444 (walk_rtx): Operate entirely on an accum_extract structure.
12445 (print_path): Avoid unnecessary use of printf.
12446 (print_header): New function, split out of main. Distinguish
12447 more carefully between an unrecognizable insn and an insn that
12448 has the code number of a define_expand.
12449 (main): Pass insn_code_number to gen_insn. Call print_header
12450 only after parsing. Avoid unnecessary use of printf.
12451 * Makefile.in (build/vec.o): New rule.
12452 (build/genextract): Depend on build/vec.o.
12453 (build/genextract.o): Don't depend on insn-config.h.
12455 2006-01-22 Zack Weinberg <zackw@panix.com>
12457 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12458 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12459 practical. Eliminate per-generator-program link rules.
12461 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12463 PR middle-end/24437
12464 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12465 with a call expr to ...
12466 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12468 2006-01-23 Richard Guenther <rguenther@suse.de>
12470 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12471 before make_edge with conditional EDGE_TRUE_VALUE.
12473 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12474 Jan Hubicka <jh@suse.cz>
12475 Richard Guenther <rguenther@suse.de>
12477 PR rtl-optimization/25654
12478 * cfgexpand.c (aggregate_contains_union_type): New function.
12479 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12480 for structure variables that contain a union type.
12482 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12484 * gengtype.c (new_structure): Return the structure.
12485 (create_option): Add an extra "next" argument.
12486 (create_field): New function.
12487 (adjust_field_rtx_def): Use create_option and create_field.
12488 Remove a now-unnecessary call to find_structure.
12489 (adjust_field_tree_def): Likewise.
12490 (note_yacc_type): Remove an unnecessary call to find_structure.
12491 * gengtype.h (new_structure): Return the structure.
12492 (create_option): Add an extra argument.
12493 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12494 (option): Adjust calls to create_option.
12496 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12498 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12500 2006-01-22 Paul Brook <paul@codesourcery.com>
12501 Peter Barada <peter@the-baradas.com>
12503 * config/m68k/m68k.md: Add Coldfire FPU support.
12504 Define FP mode macro and associated attributes.
12505 Use it for float mode patterns.
12506 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12507 (LIBCALL_VALUE): Use m68k_libcall_value.
12508 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12509 (m68k_function_value): Ditto.
12510 (emit_move_sequence): Ditto.
12511 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12512 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12513 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12514 (MULTILIB_EXCEPTIONS): Ditto.
12515 * config/m68k/m68k.opt: Add mcfv4e.
12516 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12517 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12518 (m68k_output_function_prologue): Save ColdFire FPU registers.
12519 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12520 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12521 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12522 ColdFire FPU registers.
12523 (m68k_libcall_value, m68k_function_value): New functions.
12524 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12525 (LIBCALL_VALUE): Use m68k_libcall_value.
12526 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12527 (MASK_COLDFIRE): Add MASK_CFV4E.
12528 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12529 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12530 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12531 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12532 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12533 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12534 * doc/invoke.tex: Document -mcfv4e on m68k.
12536 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12538 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12541 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12544 * c-opts.c (c_common_handle_option): Don't include
12545 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12546 * doc/invoke.texi (C++ Dialect Options): Document that
12547 -Wnon-virtual-dtor is no longer included in -Wall.
12549 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12551 * gcov.c (print_version), gcov-dump.c (print_version),
12552 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12555 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12557 * df-scan.c (problem_SCAN): Added NULL reset function.
12558 (df_scan_reset_blocks): Added code to call reset block function
12559 (df_bb_refs_delete) Fixed comment.
12560 (df_insn_refs_delete): Made tolerant of deleting non existent info
12561 for dataflow problems that need to be reset.
12562 * df-core.c (df_set_blocks): Ditto.
12563 * df.h (struct df_problem): Added reset_fun.
12564 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12565 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12566 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12567 functions to clear out all references to def-use or use-def chains.
12569 2006-01-21 Ben Elliston <bje@au.ibm.com>
12571 * varasm.c (assemble_real): Initialise data array.
12573 2006-01-20 Paul Brook <paul@codesourcery.com>
12575 Merge from csl-arm-branch.
12576 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12577 * config/arm/arm.md (movdi): Force operands[1] to a register
12578 if we have a non-register source.
12579 (*arm_movdi, *movdf_soft_insn): Require that one of the
12580 operands be a register.
12581 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12582 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12584 2006-01-20 DJ Delorie <dj@redhat.com>
12586 * varasm.c (initializer_constant_valid_p): Allow pointers
12587 initialized from integer constants of lesser precision.
12588 (output_constant): Allow non-int-sized pointer modes to be
12589 initialized from integer constants.
12591 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12594 * cppdefault.h (struct default_include): Add multilib flag.
12595 * cppdefault.c (cpp_include_defaults): Set it.
12596 * c.opt (-imultilib): New option.
12597 * c-opts.c (imultilib): New.
12598 (c_common_handle_option): Handle -imultilib.
12599 (c_common_post_options): Likewise.
12600 * c-incpath.c (add_standard_paths, register_include_chains):
12602 * c-incpath.h (register_include_chains): Add extra parameter.
12603 * gcc.c (do_spec_1): Generate -imultilib option.
12604 (The Specs Language): Update %I description.
12605 (process_command): Update copyright notice.
12606 * doc/cppopts.texi (-imultilib): Document.
12607 * doc/invoke.texi (-imultilib): Include in option summary.
12608 (%I): Update specs documentation.
12610 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12612 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12614 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12616 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12619 2006-01-20 Richard Guenther <rguenther@suse.de>
12620 Steven Bosscher <stevenb.gcc@gmail.com>
12622 PR rtl-optimization/24626
12623 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12624 EDGE_TRUE_VALUE if in RTL mode.
12627 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12628 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12630 2006-01-20 Dirk Mueller <dmueller@suse.com>
12633 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12634 instead of a special NOP marker.
12635 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12636 NOP marker handling.
12637 * c-common.h (empty_body_warning): Add forward declaration.
12638 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12639 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12641 2006-01-20 Paul Brook <paul@codesourcery.com>
12643 * Makefile.in (lang_checks): Keep going if mkdir fails.
12645 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12647 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12648 be able to clean out basic block when not necessary.
12649 (df_scan_free): Fixed to properly delete information if df is
12650 unused before calling df_finish.
12651 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12652 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12654 (df_bb_refs_delete): New function.
12655 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12656 * df-core.c (df_set_blocks): Added code to properly clean out
12657 unused blocks if they are not part of the blocks to consider.
12658 Added additional null check.
12659 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12660 be able to clean out basic block when not necessary
12661 * df.h (df_free_bb_function): Ditto.
12662 (df_bb_refs_delete): New function.
12663 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12664 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12665 basic block parameter to be able to clean out basic block when not
12667 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12668 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12669 Fixed to properly delete information if df is unused before
12672 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12674 PR rtl-optimization/25799
12675 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12676 Corrected confluence operator to remove bits from op2 before oring
12677 with op1 rather than removing bits from op1.
12678 (df_ru_transfer_function): Corrected test on wrong bitmap which
12679 caused infinite loop. Both of these problems were introduced in
12680 the dataflow rewrite.
12682 2006-01-19 DJ Delorie <dj@redhat.com>
12684 * reload1.c (find_reload_regs): Note the details of reload
12685 failures in the dump file.
12686 (spill_failure): Likewise.
12688 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12690 * loop-iv.c: Include df.h and hashtab.h.
12691 (enum iv_grd_result): New enum.
12692 (DF_REF_IV, DF_REF_IV_SET): New macros.
12693 (struct biv_entry): New.
12694 (df, bivs): New global variables.
12695 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12696 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12698 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12699 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12700 analyzed_for_bivness_p, record_biv): New functions.
12701 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12702 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12703 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12705 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12707 (iv_number_of_iterations): Use new interface to iv analysis.
12708 * loop-unroll.c: Do not include varray.h.
12709 (analyze_iv_to_split_insn): Use new interface to iv
12711 * loop-unswitch.c (may_unswitch_on): Ditto.
12712 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12714 (df_bb_modify): Realloc tables to the new index.
12715 (df_find_use): New function.
12716 * df.h (df_find_use): Declare.
12717 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12719 * cfgloop.h (struct rtx_iv): Remove analysed field.
12720 (iv_get_reaching_def): Removed.
12721 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12722 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12723 (loop-iv.o): Add df.h and hashtab.h dependency.
12724 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12726 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12729 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12731 (__floatundisf, __floatundidf): Likewise.
12732 * libgcc2.h (IS_IBM_EXTENDED): Define.
12734 2006-01-19 DJ Delorie <dj@redhat.com>
12736 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12738 2006-01-19 Paul Brook <paul@codesourcery.com>
12740 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12741 as nothrow when unwinding tables are disabled.
12743 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12746 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12747 of bit-field" when in system header.
12749 2006-01-19 DJ Delorie <dj@redhat.com>
12751 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12752 the 16 bit shift limit of the m16c.
12754 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12757 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12758 * config/i386/i386.c (output_set_got): Output the label if we have one
12759 for the TARGET_DEEP_BRANCH_PREDICTION case.
12761 2006-01-19 Jan Hubicka <jh@suse.cz>
12762 H.J. Lu <hongjiu.lu@intel.com>
12763 Evandro Menezes <evandro.menezes@amd.com>
12765 * invoke.texi (generic): Document
12767 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12768 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12769 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12770 (x86_use_incdec, x86_pad_returns): New variables
12771 (TARGET_CPU_DEFAULT_generic): New constant
12772 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12773 (enum processor_type): Add generic32 and generic64.
12774 * i386.md (cpu attribute): Add generic32/generic64
12775 (movhi splitter): Behave sanely when both partial_reg_dependency and
12776 partial_reg_stall are set.
12777 (K8 splitters): Enable for generic as well.
12778 * predicates.md (incdec_operand): Use TARGET_INCDEC
12779 (aligned_operand): Avoid memory mismatch stalls.
12780 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12781 * ppro.md: Enable for generic32
12782 * i386.c (generic64_cost, generic32_cost): New.
12783 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12784 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12785 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12786 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12787 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12788 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12789 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12790 x86_accumulate_outgoing_args, x86_prologue_using_move,
12791 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12792 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12793 Enable for generic.
12794 (x86_use_incdec, x86_pad_returns): New.
12795 (override_options): Add generic32 and generic64, translate "generic"
12796 to generic32/generic64 and "i686" to "generic32", refuse
12797 "generic32"/"generic64" as arch target.
12798 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12799 (ix86_reorg): Honor PAD_RETURNS.
12801 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12803 * tree-pretty-print.c (dump_generic_node): Handle
12804 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12805 * cgraph.c (cgraph_expand_queue): Rename from
12806 cgraph_analyze_queue. Update all users.
12807 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12808 cgraph_expand_queue.
12809 (cgraph_expand_all_functions): Likewise.
12810 (cgraph_finalize_pending_functions): Remove. Update callers.
12812 * tree.h (OMP_DIRECTIVE_P): Define.
12813 (OMP_PARALLEL_FN): Define.
12814 (OMP_PARALLEL_DATA_ARG): Define.
12815 (OMP_SECTIONS_SECTIONS): Define.
12816 * tree-pass.h (pass_expand_omp): Declare.
12817 * omp-low.c (struct omp_region): Declare.
12818 (struct omp_context): Remove fields 'parallel_type',
12819 'parallel_start_ix' and 'parallel_start_additional_args'.
12821 (struct omp_for_data): Rename from struct expand_omp_for_data.
12822 (omp_regions): New static variable.
12823 (root_omp_region): New static variable.
12824 (find_omp_clause): Make static.
12825 (is_in_combined_parallel_ctx): Remove.
12826 (is_combined_parallel): New.
12827 (extract_omp_for_data): Move earlier in the file.
12828 (workshare_safe_to_combine_p): New.
12829 (get_ws_args_for): New.
12830 (determine_parallel_type): Move earlier in the file.
12831 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12833 (omp_copy_decl): Likewise.
12834 (create_omp_child_function): Likewise.
12835 (lookup_omp_region): New.
12836 (dump_omp_region): New.
12837 (debug_omp_region): New.
12838 (debug_all_omp_regions): New.
12839 (new_omp_region): New.
12840 (scan_omp_parallel): If parallel_nesting_level > 1, the
12841 directive is nested within another parallel directive.
12842 Set OMP_PARALLEL_FN.
12843 (scan_omp_for): Do not try to handle combined parallel+for
12845 Remove FIXME comment.
12846 (scan_omp_nested): Remove.
12847 (scan_omp_1): Do not call scan_omp_nested when
12848 parallel_nesting_level is > 1.
12849 Do not change the DECL_CONTEXT of local variables found.
12850 (lookup_decl_in_outer_ctx): New.
12851 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12852 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12853 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12854 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12855 If CTX is nested, lookup VAR in the outer context when
12856 building copy assignment.
12857 (lower_send_clauses): Rename from expand_send_clauses.
12858 If CTX is nested, lookup VAR in the outer context when
12859 building copy assignments.
12860 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12861 If CTX is nested, lookup VAR in the outer context when
12862 building copy assignments.
12863 (expand_parallel_call): Rename from build_parallel_call.
12864 Handle combined parallel+workshare cases.
12865 Re-implement to emit code into the CFG.
12867 (expand_omp_parallel): Re-implement to emit code into the CFG.
12868 Call move_sese_region_to_fn to outline the sub-graph
12869 containing the parallel region.
12870 (expand_omp_for_1): Remove.
12871 (expand_omp_for_generic): Re-implement to emit code into the
12873 (expand_omp_for_static_nochunk): Likewise.
12874 (expand_omp_for_static_chunk): Likewise.
12875 (expand_omp_for): Likewise.
12876 (expand_omp_sections): Likewise.
12877 (remove_exit_barriers): New.
12878 (expand_omp_synch): New.
12880 (build_omp_regions_1): New.
12881 (build_omp_regions): New.
12882 (execute_expand_omp): New.
12883 (gate_expand_omp): New.
12884 (pass_expand_omp): Define.
12885 (lower_omp_sections): Rename from expand_omp_sections.
12886 Set OMP_SECTIONS_SECTIONS.
12887 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12888 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12889 (lower_omp_single): Rename from expand_omp_simple.
12890 (lower_omp_master): Rename from expand_omp_master.
12891 (lower_omp_ordered): Rename from expand_omp_ordered.
12892 (lower_omp_critical): Rename from expand_omp_critical.
12893 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12894 (lower_omp_for): Re-implement.
12895 (lower_omp_parallel): Re-implement.
12896 (lower_regimplify): Rename from expand_regimplify.
12897 (lower_omp_1): Rename from expand_omp_1.
12898 If there are syntax errors in the program, replace every
12899 OpenMP directive with NOP.
12900 Call lower_omp_* instead of expand_omp_*.
12901 (lower_omp): Rename from expand_omp.
12903 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12904 * tree-gimple.h (enum omp_parallel_type): Remove.
12905 (gimple_boolify): Declare extern.
12906 (find_omp_clause, determine_parallel_type): Remove.
12908 * gimple-low.c (lower_omp_directive): New.
12909 (lower_stmt): Call it.
12910 (record_vars_into): Move from ...
12911 (record_vars): ... here.
12912 Call record_vars_into with current_function_decl.
12914 * gimplify.c (struct gimplify_ctx): Remove fields
12915 combined_pre_p and combined_ctxp. Update users.
12916 (get_formal_tmp_var): Add documentation.
12917 (gimple_boolify): Make extern.
12918 (gimplify_expr_in_ctx): Remove. Update callers.
12919 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12920 will always be a BIND_EXPR.
12921 (gimplify_expr): Handle OMP_RETURN_EXPR.
12922 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12923 (OMP_PARALLEL): Add 3 operands.
12924 (OMP_SECTIONS): Add 1 operand.
12925 (OMP_RETURN_EXPR): Define.
12927 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12928 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12929 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12930 creating a circular free list.
12931 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12933 * tree-flow.h (move_sese_region_to_fn): Declare.
12934 (record_vars_into): Declare.
12935 * tree-cfg.c (make_omp_sections_edges): New.
12936 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12937 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12938 OMP_SECTIONS and OMP_SECTION.
12939 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12940 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12941 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12942 (gather_blocks_in_sese_region): New.
12943 (struct move_stmt_d): Declare.
12944 (move_stmt_r): New.
12945 (move_block_to_fn): New.
12946 (move_sese_region_to_fn): New.
12948 * passes.c (init_optimization_passes): Schedule
12949 pass_expand_omp after pass_init_datastructures.
12951 * tree-ssa-operands.c (get_expr_operands): Handle
12952 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12953 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12955 2006-01-19 Jeff Law <law@redhat.com>
12957 * tree-vrp.c (extract_range_from_assert): Refine the result range
12958 if the variable referenced by the ASSERT_EXPR has a range and
12959 either the tentative result range or the previous range is a
12962 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12964 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12966 2006-01-19 Jan Hubicka <jh@suse.cz>
12968 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12970 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12972 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12973 (expand_compound_operation, expand_field_assignment): Fail if the
12974 bit lengths of an extract operation are out of range.
12975 (make_extraction): Compute wanted_inner_mode based on the position
12976 and length of the extraction. Make it extraction_mode for non-constant
12977 positions, and do not modify offset in that case. When generating a
12978 new MEM, use a mode that can hold the extraction while keeping correct
12979 alignment. Remove code that supported MEMs wrapped by USEs.
12980 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12982 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12984 * config/s390/s390.md ("Y", "y"): New mode attribute.
12985 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12986 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12987 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12988 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12989 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12990 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12991 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12992 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12993 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12994 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12995 "addsi3", "subsi3"): Insn patterns removed.
12996 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12997 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12998 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12999 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13000 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13001 "*sub<mode>3_cconly2"): New insn patterns.
13002 ("addsi3", "subsi3"): New expanders.
13004 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13006 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13007 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13008 existing STMT_VINFO_VECTYPE if available.
13009 (vect_mark_relevant): Add special handling for stmts that are
13010 marked as STMT_VINFO_IN_PATTERN_P.
13011 (vect_analyze_loop): Call vect_pattern_recog.
13012 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13013 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13015 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13016 (vect_recog_func_ptr): New function-pointer type.
13017 * tree-vect-patterns.c: New file.
13018 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13019 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13020 (vect_pattern_recog_1): New functions.
13021 (vect_pattern_recog_funcs): New array of function pointers.
13023 * tree-vectorizer.h (ternary_op): New enum value.
13024 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13025 declaration. Revised documentation. Removed redundant dump prints.
13026 Removed redundant argument. Added support for reduction patterns.
13027 (vectorizable_reduction): Added support for reduction patterns.
13028 (vect_transform_stmt): Added support for patterns.
13030 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13031 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13032 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13033 (expand_widen_pattern_expr): New function.
13034 (init_optabs): Initialize new optabs udot_prod_optab,
13036 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13037 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13038 (expand_widen_pattern_expr): New function declaration.
13039 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13041 * tree-inline.c (estimate_num_insns_1): Added cases for new
13042 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13043 * tree-pretty-print.c (dump_generic_node): Likewise.
13044 (op_prio): Likewise.
13045 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13046 * tree-ssa-operands.c (get_expr_operands): Added case for
13048 * tree-vect-patterns.c (widened_name_p): New function.
13049 (vect_recog_dot_prod_pattern): Added function implementation.
13050 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13051 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13052 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13053 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13055 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13056 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13057 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13058 (init_optabs): Initialize new optabs widen_ssum_optab,
13060 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13061 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13062 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13063 use instead of type of def.
13064 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13065 function implementation.
13066 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13067 widen_ssumv8hi): New.
13069 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13072 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13075 * c-decl.c (add_flexible_array_elts_to_size): New function.
13076 (finish_decl): Use it.
13078 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13080 * diagnostic.h: Include options.h.
13081 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13082 dependancies for diagnostic.h.
13083 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13085 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13087 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13088 (ssa_ro_call_cache_valid): Ditto.
13089 * tree-ssa-alias.c (sort_tags_by_id): New function.
13090 (init_transitive_clobber_worklist): Ditto.
13091 (add_to_worklist): Ditto.
13092 (mark_aliases_call_clobbered): Ditto.
13093 (compute_tag_properties): Ditto.
13094 (set_initial_properties): Ditto.
13095 (compute_call_clobbered): Ditto.
13096 (compute_may_aliases): Call compute_call_clobbered and grouping.
13097 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13098 (compute_flow_insensitive_aliasing): Grouping now happens in our
13100 (setup_pointers_and_addressables): Remove clobbering related code.
13101 (add_may_alias): Ditto.
13102 (replace_may_alias): Ditto.
13103 (get_nmt_for): Ditto.
13104 (create_global_var):
13105 (is_escape_site): Return an escape_type enumeration.
13106 * tree-flow-inline.h (is_call_clobbered): Global var does not
13107 imply call clobbered.
13108 (mark_call_clobbered): Take a reason for marking this. Remove
13109 marking of globalness, and cache invalidation.
13110 (clear_call_clobbered): Remove cache invalidation code.
13111 * tree-dfa.c (dump_variable): If details is on, dump the reason
13113 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13115 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13116 (struct var_ann_d): Ditto.
13117 (enum escape_type): New.
13118 (mark_call_clobbered): Adjust prototype.
13119 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13120 are never call clobbered.
13121 Record reasons for escaping.
13122 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13123 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13124 (ssa_ro_call_cache_valid): Ditto.
13125 (clobbered_v_may_defs): Ditto.
13126 (clobbered_vuses): Ditto.
13127 (ro_call_vuses): Ditto.
13128 (clobber_stats): New.
13129 (init_ssa_operands): Zero out clobber stats.
13130 (fini_ssa_operands): Print out clobber stats.
13131 (get_call_expr_operands): Pass callee fndecl to
13132 add_call_read_ops).
13133 (add_call_clobber_ops): Remove use of cache.
13134 Add use of PURE_CONST information.
13135 (add_call_read_ops): Remove use of cache.
13136 Add use of static not_read information.
13138 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13140 Introduce TLS descriptors for i386 and x86_64.
13141 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13142 (TARGET_ANY_GNU_TLS): New macro.
13143 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13144 (struct machine_function): Add tls_descriptor_call_expanded_p.
13145 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13146 (ix86_current_function_calls_tls_descriptor): Likewise.
13147 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13148 (override_options): Introduce gnu2 tls dialect.
13149 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13151 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13153 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13154 (ix86_init_machine_status): Initialize new field.
13155 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13156 (ix86_tls_module_base): New.
13157 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13158 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13159 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13160 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13161 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13162 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13163 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13164 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13165 * config/i386/predicates.md (tls_modbase_operand): New.
13166 (tp_or_register_operand): New.
13168 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13170 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13171 (look_for_address_of): Ditto.
13172 (ipa_init): Walk the function decls.
13173 (static_execute): Don't set readonly on FUNCTION_DECL's.
13175 2006-01-18 Roger Sayle <roger@eyesopen.com>
13177 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13178 for shifts where the source and destination registers are different.
13180 2006-01-18 Paul Brook <paul@codesourcery.com>
13182 Merge from csl-arm-branch.
13183 2005-03-14 Julian Brown <julian@codesourcery.com>
13184 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13185 (aeabi_llsl): Likewise.
13186 (ashrdi3): Likewise.
13187 (aeabi_lasr): Likewise.
13188 (lshrdi3): Likewise.
13189 (aeabi_llsr): Likewise.
13190 2005-03-10 Julian Brown <julian@codesourcery.com>
13191 * config.gcc: Disable shared libgcc for SymbianOS.
13192 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13194 2006-01-18 DJ Delorie <dj@redhat.com>
13196 * c-pragma.c (handle_pragma_diagnostic): New.
13197 (init_pragma): Register it.
13198 * doc/extend.texi: Document it.
13200 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13201 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13202 (diagnostic_context): Add classify_diagnostic[].
13203 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13204 as errors if they're overridden to DK_WARNING.
13205 (diagnostic_initialize): Initialize classify_diagnostic[].
13206 (diagnostic_set_kind_override): New.
13207 (diagnostic_report_diagnostic): Check for kind changes.
13208 * opts.c (common_handle_option): Take lang_mask. Update callers.
13209 Handle OPT_Werror_.
13210 * common.opt (Werror=): New.
13211 * doc/invoke.texi: Document -Werror=*
13213 2006-01-18 Jeff Law <law@redhat.com>
13215 * tree-vrp.c (test_for_singularity): Correct test for new
13216 min limit. Use operand_equal_p rather than pointer equality
13217 for testing if new min/max values are equal.
13219 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13220 using range information until after propagation and folding.
13222 2006-01-18 Richard Henderson <rth@redhat.com>
13223 Aldy Hernandez <aldyh@redhat.com>
13224 Jakub Jelinek <jakub@redhat.com>
13225 Diego Novillo <dnovillo@redhat.com>
13227 * omp-low.c: New file.
13228 * c-omp.c: New file.
13230 2006-01-18 Richard Henderson <rth@redhat.com>
13231 Jakub Jelinek <jakub@redhat.com>
13232 Diego Novillo <dnovillo@redhat.com>
13234 * doc/invoke.texi: Document -fopenmp.
13235 * tree-dump.h (debug_function): Declare.
13236 * hooks.c (hook_bool_tree_bool_false): New function.
13237 (hook_tree_tree_null): Remove.
13238 (hook_tree_tree_tree_null): New.
13239 * hooks.h: Update to match.
13240 * tree-pretty-print.c (debug_tree_chain): New.
13241 (print_generic_expr): Handle TDF_CHAIN.
13242 (dump_generic_node): Handle BLOCK.
13243 Do not abort with incomplete SWITCH_EXPRs.
13244 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13245 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13246 print space after directive name.
13247 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13248 Handle OMP_MASTER and OMP_ORDERED.
13249 Handle printing of OMP_BODY just in one place, goto
13250 dump_omp_body in the rest of OMP_* nodes that have
13252 Don't handle clause nodes here. Update omp statements to
13253 use dump_omp_clauses.
13254 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13255 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13256 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13257 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13258 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13259 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13260 Adjust output for GOMP_PARALLEL.
13261 (dump_omp_clauses): New.
13262 (print_declaration): Dump DECL_VALUE_EXPR.
13263 (op_symbol_1): Split out of op_symbol.
13264 (dumping_stmts): Remove. Update all users.
13265 * cgraph.c (cgraph_analyze_queue): New.
13266 (cgraph_add_new_function): New.
13267 * cgraph.h (cgraph_analyze_queue): Declare.
13268 (cgraph_add_new_function): Declare.
13269 (cgraph_lower_function): Remove.
13270 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13271 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13272 and TYPE_P nodes in its default clause.
13273 (empty_body_p): New.
13274 (tree_range_check_failed): New.
13275 (build5_stat): New.
13276 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13277 OMP_CLAUSE_REDUCTION_MERGE,
13278 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13279 OMP_CLAUSE_PRIVATE_DEBUG,
13280 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13281 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13282 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13283 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13284 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13285 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13286 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13287 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13288 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13289 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13290 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13291 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13292 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13293 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13294 (TREE_RANGE_CHECK): New.
13295 (empty_body_p): Declare.
13296 (enum omp_clause_default_kind): New.
13297 (build_string_literal): Declare.
13298 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13299 (build5_stat, build5): Declare.
13300 * tree-pass.h (TDF_CHAIN): Define.
13301 * tree-pass.h (PROP_gimple_lomp): Define.
13302 (pass_lower_omp): Declare.
13303 * diagnostic.h (debug_tree_chain): Declare.
13304 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13306 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13307 * builtins.c (build_string_literal): Make extern.
13308 * gcc.c (include_spec_function): New.
13309 (static_spec_functions): Add it.
13310 (main): Move load of libgomp.spec ...
13311 (LINK_COMMAND_SPEC): ... here.
13312 (link_gomp_spec): New.
13313 (static_specs): Include it.
13314 (LINK_COMMAND_SPEC): Add link_gomp.
13315 (GOMP_SELF_SPECS): New.
13316 (driver_self_specs): Include it.
13317 (switch_matches): Don't mark inline.
13318 (main): Load libgomp.spec.
13319 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13320 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13321 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13322 * tree-gimple.h (enum omp_parallel): Declare.
13323 (determine_parallel_type): Declare.
13324 (omp_firstprivatize_variable): Declare.
13325 (omp_reduction_init): Declare.
13326 (diagnose_omp_structured_block_errors): Declare.
13327 (struct walk_stmt_info): Add want_return_expr.
13328 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13329 (find_omp_clause): Declare.
13330 (insert_field_into_struct): Declare.
13331 (struct walk_stmt_info): Move from tree-nested.c
13332 (walk_stmts): Declare.
13333 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13335 * cgraphunit.c (cgraph_lower_function): Make static.
13336 (cgraph_finalize_pending_functions): New.
13337 (cgraph_finalize_function): Call it.
13338 (cgraph_finalize_compilation_unit): Likewise.
13339 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13340 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13341 (BT_FN_UINT_UINT): New.
13342 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13343 DEF_FUNCTION_TYPE_VAR_4): Document.
13344 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13345 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13346 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13347 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13348 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13349 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13350 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13351 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13352 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13353 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13354 into separate files.
13355 (DEF_GOMP_BUILTIN): New.
13356 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13357 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13358 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13359 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13360 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13361 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13362 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13363 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13364 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13365 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13366 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13367 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13368 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13369 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13370 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13371 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13372 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13373 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13374 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13375 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13376 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13377 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13378 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13379 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13380 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13381 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13382 * sync-builtins.def: New file, moved from builtins.def.
13383 * omp-builtins.def: New file, moved from builtins.def.
13384 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13385 * gimple-low.c (lower_function_body): Clear data.
13386 (lower_stmt): Do not handle COMPOUND_EXPR.
13387 Remove call to print_node_brief.
13388 * c-tree.h (c_finish_omp_clauses): New prototype.
13389 (C_DECL_THREADPRIVATE_P): Define.
13390 (lookup_name_no_remap, c_omp_remap_private): Remove
13391 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13392 (check_for_loop_decls): Update decl.
13393 (lookup_name_no_remap, c_omp_remap_private): Declare.
13394 (build_indirect_ref, build_modify_expr, pushdecl,
13395 pushdecl_top_level): Move to c-common.h.
13396 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13397 before the switch, but just in the 2 places that need it.
13398 * c-decl.c (diagnose_mismatched_decls): Do not check for
13399 mismatched thread-local attributes when OLDDECL is marked
13400 threadprivate and NEWDECL has no thread-local attributes.
13401 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13402 (c_gimple_diagnostics_recursively): Rename from
13403 c_warn_unused_result_recursively. Invoke
13404 diagnose_omp_structured_block_errors.
13405 (check_for_loop_decls): Return a singular decl found.
13406 * langhooks.c (lhd_omp_predetermined_sharing): Return
13407 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13408 (lhd_omp_firstprivatize_type_sizes): New.
13409 (lhd_omp_assignment): New.
13410 (lhd_omp_predetermined_sharing): New.
13411 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13412 (struct lang_hooks_for_types): Add
13413 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13414 omp_predetermined_sharing, omp_disregard_value_expr,
13415 omp_private_debug_clause, omp_clause_default_ctor,
13416 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13417 (c_finish_omp_clauses): New.
13418 (c_finish_bc_stmt): Diagnose break within omp for.
13419 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13420 (build_unary_op): Return error_mark after reporting
13422 (build_modify_expr): Likewise.
13423 * gimplify.c: Include optabs.h and pointer-set.h.
13424 (enum gimplify_omp_var_data): Declare.
13425 (struct gimplify_omp_ctx): Declare.
13426 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13428 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13429 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13430 (splay_tree_compare_decl_uid): New.
13431 (new_omp_context): New.
13432 (delete_omp_context): New.
13433 (gimple_add_tmp_var): Call omp_add_variable.
13434 (gimplify_bind_expr): Likewise.
13435 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13436 true, disregard DECL_VALUE_EXPR on the decl if any.
13437 (gimplify_expr_in_ctx): New.
13438 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13439 omp_add_variable, omp_notice_variable, omp_is_private
13440 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13441 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13442 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13443 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13444 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13445 gimplify_omp_atomic): New.
13446 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13447 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13448 OMP_CRITICAL and OMP_ATOMIC.
13449 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13450 * c-pragma.h (enum pragma_kind): Add
13451 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13452 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13453 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13454 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13455 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13456 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13457 PRAGMA_OMP_THREADPRIVATE.
13458 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13459 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13460 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13461 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13462 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13463 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13464 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13465 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13466 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13467 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13468 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13469 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13470 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13472 (struct nesting_info): Add field_map,
13473 suppress_expansion, debug_var_chain.
13474 (create_nesting_tree): Initialize them.
13475 (lookup_field_for_decl): Use field_map.
13476 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13477 (convert_local_omp_clauses): New.
13478 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13479 (walk_body): Split out of walk_function.
13480 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13481 (convert_nonlocal_reference): Handle omp statements.
13482 (convert_local_reference): Likewise.
13483 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13484 (unnest_nesting_tree): New.
13485 (lower_nested_functions): Call it.
13486 (insert_field_into_struct): Make extern.
13487 (struct walk_stmt_info): Move to tree-gimple.h.
13488 (walk_stmts): Make extern.
13489 * omp-builtins.def: New file.
13490 * tree-iterator.c (expr_only): Clarify comment.
13491 * c-common.h (pushdecl_top_level, pushdecl,
13492 build_modify_expr, build_indirect_ref,
13493 c_finish_omp_master, c_finish_omp_critical,
13494 c_finish_omp_ordered, c_finish_omp_barrier,
13495 c_finish_omp_atomic, c_finish_omp_flush,
13496 c_finish_omp_for, c_split_parallel_clauses,
13497 omp_clause_default_kind, c_omp_sharing_predetermined,
13498 c_omp_remap_decl): Declare.
13499 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13500 (OBJS-common): Add omp-low.o.
13501 (c-omp.o, omp-low.o): Add.
13502 (gimplify.o): Add dependency on $(OPTABS_H).
13503 (GTFILES): Add omp-low.c.
13504 (gt-stringpool.h): Add.
13505 * tree-cfg.c (set_bb_for_stmt): Do not update the
13506 block-to-labels map if we are currently expanding to RTL.
13507 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13509 Handle IDENTIFIER_NODE.
13510 (tree_verify_flow_info): Do not ICE when emitting error
13511 messages about invalid labels.
13512 (dump_function_to_file): Reset CFUN before emitting the body
13514 (debug_function): New.
13515 * passes.c (init_optimization_passes): Schedule
13517 * langhooks-def.h (lhd_omp_predetermined_sharing,
13518 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13520 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13521 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13522 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13523 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13524 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13525 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13526 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13527 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13528 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13529 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13530 (LANG_HOOK_DECLS): Use them.
13532 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13533 Richard Henderson <rth@redhat.com>
13534 Jakub Jelinek <jakub@redhat.com>
13535 Diego Novillo <dnovillo@redhat.com>
13537 * c-parser.c (pragma_omp_clause): Define.
13538 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13539 (c_parser_compound_statement): Likewise.
13540 (c_parser_statement): Likewise.
13541 (c_parser_pragma): Handle omp pragmas.
13542 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13543 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13544 (c_parser_omp_clause_name, check_no_duplicate_clause,
13545 c_parser_omp_variable_list,
13546 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13547 c_parser_omp_clause_copyprivate,
13548 c_parser_omp_clause_default,
13549 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13550 c_parser_omp_clause_lastprivate,
13551 c_parser_omp_clause_nowait,
13552 c_parser_omp_clause_num_threads,
13553 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13554 c_parser_omp_clause_reduction,
13555 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13556 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13557 c_parser_omp_atomic, c_parser_omp_barrier,
13558 c_parser_omp_critical, c_parser_omp_flush,
13559 c_parser_omp_for_loop, c_parser_omp_for,
13560 c_parser_omp_master, c_parser_omp_ordered,
13561 c_parser_omp_sections_scope, c_parser_omp_sections,
13562 c_parser_omp_parallel, c_parser_omp_single,
13563 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13564 * c-pragma.c (init_pragma): Do omp pragma registration here.
13565 * c.opt (fopenmp): New flag.
13567 2006-01-18 Eric Christopher <echristo@apple.com>
13569 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13570 * config/darwin.h (GOMP_SELF_SPECS): Define.
13572 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13574 * rtl.h: Remove the prototype for reg_alloc.
13576 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13579 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13580 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13581 sjlj and dwarf2 exception handling.
13582 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13583 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13584 * pa/pa.c (function_value): Treat complex and vector types as
13586 (function_arg): Likewise. Only pass scalar floats in the floating
13587 point argument registers.
13588 * pa/t-slibgcc-dwarf-ver: New file.
13589 * pa/t-slibgcc-sjlj-ver: New file.
13590 * pa/t-slibgcc-elf-ver: Delete file.
13592 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13594 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13595 unlikely_test_section_p test.
13597 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13599 * mode-switching.c (optimize_mode_switching): Make it static.
13600 * basic-block.h: Remove the prototype for
13601 optimize_mode_switching.
13603 * modulo-sched.c (sms_schedule): Make it static.
13604 * rtl.h: Remove the prototype for sms_schedule.
13606 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13607 * rtl.h: Remove the prototype for gcse_after_reload_main.
13609 * reg-stack.c (reg_to_stack): Make it static.
13610 * rtl.h: Remove the prototype for reg_to_stack.
13612 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13614 * rtl.h: Remove the prototypes for regrename_optimize and
13615 copyprop_hardreg_forward.
13617 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13619 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13620 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13621 Test against the appropriate null constant for the mode.
13622 If 'fixup_overlap' is true, swap the operands if they overlap.
13623 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13624 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13625 alpha_split_tmode_pair and adjust for above change.
13626 * config/alpha/alpha.md (movtf_internal): Adjust call to
13627 alpha_split_tfmode_pair and rely on it to swap the operands.
13628 (movti_internal): New insn and post-reload splitter.
13629 (movti): New expander.
13631 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13633 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13636 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13638 * rtlanal.c (global_reg_mentioned_p_1,
13639 global_reg_mentioned_p): Remove.
13640 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13642 * flow.c (initialize_uninitialized_subregs): Make it static.
13643 * rtl.h: Remove the prototype for
13644 initialize_uninitialized_subregs.
13646 * function.c (instantiate_virtual_regs): Make it static.
13647 * function.h: Remove the prototype for
13648 instantiate_virtual_regs.
13650 * regmove.c (regmove_optimize, combine_stack_adjustments):
13652 * rtl.h: Remove the prototypes for regmove_optimize and
13653 combine_stack_adjustments.
13655 2006-01-17 Roger Sayle <roger@eyesopen.com>
13657 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13658 (size_cost): Encode costs in bytes so that a reg-reg addition is
13659 equivalent to COSTS_N_INSNS(1).
13660 (override_options): Use the size_cost.branch_cost as the default
13661 ix86_branch_cost when optimizing for size.
13663 2006-01-18 Ben Elliston <bje@au.ibm.com>
13665 * Makefile.in (D32PBIT_FUNCS): New.
13666 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13667 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13668 D64PBIT_FUNCS and D128PBIT_FUNCS.
13669 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13670 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13672 (decnumber_dep): Define.
13673 * doc/libgcc.texi (Decimal float library routines): New node.
13674 * config/dfp-bit.h, config/dfp-bit.c: New files.
13676 2006-01-18 Ben Elliston <bje@au.ibm.com>
13678 * expr.c (emit_move_change_mode): Always adjust addresses, not
13679 just during reload. Copy replacements only during reload.
13680 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13681 emit_move_via_integer.
13683 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13685 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13686 instead of $(srcdir) and ${srcdir}.
13688 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13691 PR middle-end/11135
13692 * arm.h (struct machine_function): Add pic_reg.
13693 * arm.c (arm_pic_register): Make unsigned.
13694 (arm_override_options): Only set arm_pic_register if
13695 TARGET_SINGLE_PIC_BASE.
13696 (use_return_insn): Only test for a pic register if it is fixed.
13697 (arm_compute_save_reg0_reg12_mask): Likewise.
13698 (thumb_compute_save_reg_mask): Likewise.
13699 (legitimate_pic_operand): Factor out some known invariants.
13700 (legitimize_pic_address): If we don't have a fixed pic register,
13701 then set up a pseudo in the function entry sequence. Handle the
13702 pic base being in a pseudo.
13703 (arm_load_pic_register): Handle the pic register being in a pseudo.
13704 (arm_expand_prologue): Only set up the pic register if it is fixed.
13705 (thumb_expand_prologue): Likewise.
13706 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13707 (pic_load_addr_based_insn): Likewise.
13708 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13711 2006-01-18 Ben Elliston <bje@au.ibm.com>
13713 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13714 decimal float modes for all floating point registers.
13716 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13717 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13719 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13722 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13723 even when the pointer is not NULL.
13725 2006-01-16 Ian Lance Taylor <ian@airs.com>
13727 * common.opt (ftoplevel-reorder): New option.
13728 * cgraph.c (cgraph_asm_nodes): New global variable.
13729 (cgraph_asm_last_node): New static variable.
13730 (cgraph_order): New global variable.
13731 (cgraph_create_node): Set new order field.
13732 (cgraph_varpool_node): Likewise.
13733 (decide_is_variable_needed): Return true if not
13734 flag_toplevel_reorder.
13735 (cgraph_add_asm_node): New function.
13736 * cgraph.h (struct cgraph_node): Add order field.
13737 (struct cgraph_varpool_node): Add order field.
13738 (struct cgraph_asm_node): Define.
13739 (cgraph_asm_nodes, cgraph_order): Declare.
13740 (cgraph_add_asm_node): Declare.
13741 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13743 (cgraph_varpool_assemble_pending_decls): Call it.
13744 (cgraph_output_pending_asms): New static function.
13745 (cgraph_finalize_compilation_unit): Call it.
13746 (struct cgraph_order_sort): Define.
13747 (cgraph_output_in_order): New static function.
13748 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13749 !flag_toplevel_reorder case.
13750 * c-parser.c: Include "cgraph.h".
13751 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13753 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13754 than -fno-unit-at-a-time.
13755 * doc/invoke.texi (Option Summary): Mention
13756 -fno-toplevel-reorder.
13757 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13758 -funit-at-a-time documentation.
13760 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13761 Kazu Hirata <kazu@codesourcery.com>
13763 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13765 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13767 * Makefile.in (FUNCTION_H): New. Use it instead of
13768 function.h throughout the file.
13769 * function.h: Include tree.h.
13771 2006-01-17 Ben Elliston <bje@au.ibm.com>
13773 * recog.c: Separate some functions with whitespace.
13775 2006-01-16 Richard Henderson <rth@redhat.com>
13777 Merge from gomp branch:
13778 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13779 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13780 and rename from struct inline_data. Rename callee* to dst*;
13781 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13782 transform_new_cfg, transform_return_to_modify, and
13783 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13785 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13786 (copy_decl_for_dup): Remove.
13787 * tree-inline.c (struct inline_data): Move to header.
13788 (insert_decl_map): Export.
13789 (remap_decl): Update for member name changes. Use copy_decl hook.
13790 Allow for replacement to be a non-decl. Remove dead code.
13791 (remap_type_1): Check for existing mapping.
13792 (remap_type): Export.
13793 (remap_decls): Update for member name changes.
13794 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13795 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13796 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13797 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13798 (tree_function_versioning, build_duplicate_type): Likewise.
13799 (copy_body_r): Likewise. Export.
13800 (copy_decl_for_dup): Split into ...
13801 (copy_decl_for_dup_finish, copy_decl_to_var,
13802 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13803 (replace_ref_tree, inlining_p): Remove.
13805 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13807 * ifcvt.c (if_convert): Make it static.
13808 * rtl.h: Remove the prototype for if_convert.
13810 * local-alloc.c (local_alloc): Make it static.
13811 * rtl.h: Remove the prototype for local_alloc.
13813 * loop.c (loop_optimize): Make it static.
13814 * cfgloop.h: Remove the prototype for loop_optimize.
13817 2006-01-16 DJ Delorie <dj@redhat.com>
13819 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13822 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13824 * pa.md: Disparage copies between general and floating-point registers
13825 in 32-bit move patterns.
13827 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13830 * Makefile.in (check-%): Depend on site.exp instead of
13831 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13834 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13836 * global.c (global_alloc): Make it static.
13837 * rtl.h: Remove the prototype for global_alloc.
13839 2006-01-16 Richard Guenther <rguenther@suse.de>
13841 * tree-ssa-alias.c (struct used_part): Add write_only field.
13842 (get_or_create_used_part_for): Initialize it to true.
13843 (create_overlap_variables_for): Don't create structure variables
13844 for structures that only are written to.
13845 (find_used_portions): Handle MODIFY_EXPR to track whether a
13846 structure is only written to.
13848 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13850 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13852 * basic-block.h: Remove the prototype for
13853 partition_hot_cold_basic_blocks.
13855 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13857 * cppspec.c (lang_specific_spec_functions): Remove.
13858 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13859 * gcc.h (lang_specific_spec_functions): Remove.
13860 * gccspec.c (lang_specific_spec_functions): Remove.
13862 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13864 * combine.c (record_value_for_reg): Invalidate registers
13866 (record_dead_and_set_regs_1): Likewise, by passing them to
13867 record_value_for_reg.
13868 (record_dead_and_set_regs): Invalidate stores made by a
13869 call. We do not combine across a call, but we still
13870 relied on equivalences.
13872 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13874 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13875 vrp_int_const_binop returning non-constant nodes.
13877 2006-01-16 Paul Brook <paul@codesourcery.com>
13879 * config/m68k/m68k.c (output_move_const_into_data_reg):
13880 Output correct mnemonic for mvz and mvs.
13882 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13884 * rtl-factoring.c: Add sequence abstraction algorithm.
13885 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13886 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13888 (block_has_preserve_label): New function.
13889 * common.opt: Register new pass.
13890 * Makefile.in: Ditto.
13892 * timevar.def: Ditto.
13893 * tree-pass.h: Ditto.
13894 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13895 * rtl.h (make_jump_insn_raw): Add forward decl.
13896 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13898 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13899 Roger Sayle <roger@eyesopen.com>
13901 * fold-const.c (fold_minmax): New static function.
13902 (fold_binary) <MIN_EXPR>: Call it.
13903 <MAX_EXPR>: Likewise.
13904 * stor-layout.c (place_field): Use DECL_SIZE consistently
13905 in the computation of the new record size.
13907 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13909 * cse.c (cse_condition_code_reg): Make it static.
13910 * rtl.h: Remove the prototype for cse_condition_code_reg.
13912 * combine.c (combine_instructions): Make it static.
13913 * rtl.h: Remove the prototype for combine_instructions.
13915 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13918 * tree.c (get_file_function_name_long): Concatenate the first global
13919 object name with a string derived from the input filename of the object
13922 2006-01-16 Ben Elliston <bje@au.ibm.com>
13924 * config/i386/winnt-stubs.c: Update FSF address.
13925 * config/xtensa/ieee754-df.S: Ditto.
13926 * config/xtensa/ieee754-sf.S: Ditto.
13928 2006-01-14 Ian Lance Taylor <ian@airs.com>
13930 * ifcvt.c (noce_init_if_info): New static function, broken out of
13931 noce_process_if_block.
13932 (noce_process_if_block): Call noce_init_if_info.
13933 (check_cond_move_block): New static function.
13934 (cond_move_process_if_block): New static function.
13935 (process_if_block): Call cond_move_process_if_block.
13937 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13939 * cselib.c (hash_table): Rename to cselib_hash_table.
13940 (cselib_clear_table, discard_useless_values,
13941 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13942 cselib_init, cselib_finish): Adjust uses of hash_table.
13944 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13946 PR tree-optimization/25485
13947 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13948 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13949 is known to be false and true, respectively.
13951 2006-01-14 Richard Guenther <rguenther@suse.de>
13953 PR tree-optimization/22548
13954 PR tree-optimization/22555
13955 PR tree-optimization/22501
13956 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13957 * params.def (salias-max-array-elements): New parameter.
13958 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13959 * doc/invoke.texi (salias-max-array-elements): Document.
13960 * tree-flow-inline.h (var_can_have_subvars): We also handle
13962 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13964 * tree-ssa-structalias.c (params.h): Include.
13965 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13966 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13967 (get_constraint_for): For ADDR_EXPR operating on something
13968 containing an ARRAY_REF, add all subvars to the solution.
13969 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13970 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13971 for creating MUST_DEFs.
13972 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13974 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13976 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13978 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13979 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13980 number_of_iterations_le): New functions.
13981 (number_of_iterations_special): Removed.
13982 (number_of_iterations_exit): Do not use number_of_iterations_special.
13983 * tree.c (unsigned_type_for): Always return integer type.
13985 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13986 Richard Guenther <rguenther@suse.de>
13988 PR rtl-optimization/24257
13989 * gcse.c (find_moveable_store): Only consider a store movable
13990 when the SET_SRC of the insn can be assigned to a register.
13992 2006-01-14 Ian Lance Taylor <ian@airs.com>
13994 * tree.c (tree_not_class_check_failed): New function.
13995 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13996 (tree_not_class_check_failed): Declare.
13998 2006-01-13 Ian Lance Taylor <ian@airs.com>
14000 * reload1.c (do_output_reload): Add assertion rejecting a
14003 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14005 * combine.c (struct reg_stat): Add new fields truncation_label and
14007 (record_value_for_reg): Reset truncated_to_mode.
14008 (record_truncated_value): New function.
14009 (check_promoted_subreg): Call it. Rename to check_conversions.
14010 (combine_instructions): Rename check_promoted_subreg to
14012 (reg_truncated_to_mode): New function.
14013 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14014 (gen_lowpart_or_truncate): New function.
14015 (force_to_mode): Use it instead of gen_lowpart.
14017 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14019 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14020 VAR is a tag, not its type tag.
14022 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14024 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14025 alternatives to match style of other entries.
14026 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14028 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14030 PR tree-optimization/25771
14031 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14034 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14037 * tree-inline.c (declare_return_variable): If the return variable
14038 was marked as a non gimple complex, set the return slot variable
14039 to be a non gimple comple variable.
14041 2006-01-13 Richard Guenther <rguenther@suse.de>
14043 * builtins.c (expand_builtin_sincos): New function.
14044 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14046 (expand_builtin): Expand sincos using expand_builtin_sincos.
14048 2006-01-12 DJ Delorie <dj@redhat.com>
14050 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14051 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14052 so that constant shifts can be split.
14053 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14054 (m32c_valid_pointer_mode): Make static.
14055 (shift_gen_func_for): New.
14056 (m32c_prepare_shift): Use it. Split large const shifts into
14058 * config/m32c/predicates.md (shiftcount_operand): Allow more
14060 (longshiftcount_operand): New.
14061 * doc/md.texi (Machine Constraints): Document In6.
14063 2006-01-13 Ben Elliston <bje@au.ibm.com>
14065 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14066 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14069 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14071 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14072 to try to avoid clobbering pieces of structures when we know
14073 something about the whole structure.
14074 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14076 2006-01-13 Ben Elliston <bje@au.ibm.com>
14078 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14079 return in memory, as this is no limitation is no longer present.
14081 2006-01-12 DJ Delorie <dj@redhat.com>
14083 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14084 mova with fb, and for fb+0 -> An.
14086 * config/m32c/mov.md (peephole2): Fix enabling logic.
14088 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14089 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14090 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14091 FINI_ARRAY_SECTION_ASM_OP): Define.
14093 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14095 (m32c_legitimize_reload_address): New logic to reload FB to An.
14096 (m32c_output_reg_push): Add newline.
14097 (m32c_output_reg_pop): Likewise.
14099 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14101 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14103 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14105 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14107 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14109 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14112 2006-01-11 Ben Elliston <bje@au.ibm.com>
14114 * rtlanal.c (find_reg_note): Assert insn is not null.
14116 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14118 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14121 2006-01-11 Jeff Law <law@redhat.com>
14123 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14125 (mark_threaded_blocks, register_jump_thread): New functions.
14126 (thread_through_all_blocks): Remove unwanted argument. No
14127 longer rely on e->aux to communicate thread target info.
14128 Call mark_threaded_blocks. Release the threaded_blocks
14129 bitmap and threaded_edges vector when complete.
14130 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14131 (threaded_blocks): Remove.
14132 (tree_ssa_dominator_optimize): Remove initialization and
14133 finalization of threaded_blocks. Simplify call to
14134 thread_through_all_blocks.
14135 (thread_across_edge): Call register_jump_thread rather than
14136 storing thread information into e->aux.
14137 (free_all_edge_infos): Simplify now that e->aux is no longer
14138 used to communicate with thread_through_all_blocks.
14139 * tree-flow.h (thread_through_all_blocks): Update prototype.
14140 (register_jump_thread): Prototype.
14142 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14144 * df-core.c (df_compact_blocks, df_bb_replace): Use
14145 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14147 2006-01-11 Richard Guenther <rguenther@suse.de>
14149 PR tree-optimization/25734
14150 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14151 stop propagation after successful propagation to the LHS.
14153 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14155 * basic-block.h (control_flow_graph): Change the type of
14156 x_basic_block_info to VEC(basic_block,gc) *.
14157 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14159 (SET_BASIC_BLOCK): New.
14160 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14161 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14162 * cfgbuild.c (find_basic_blocks): Likewise.
14163 * cfglayout.c (fixup_reorder_chain): Likewise.
14164 * cfgrtl.c (create_basic_block_structure,
14165 rtl_create_basic_block): Likewise.
14166 * ifcvt.c (find_if_case_1): Likewise.
14167 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14170 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14172 * Makefile.in: Removed rotted odf.c entry.
14174 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14177 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14178 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14179 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14180 output pattern modifier, not %e.
14181 * config/cris/cris.c (cris_op_str): Update comment about pattern
14183 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14184 before falling through into...
14185 <case 'E'>: Redefined from old 'e' case.
14187 2006-01-11 Jan Hubicka <jh@suse.cz>
14190 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14192 2006-01-11 Jan Hubicka <jh@suse.cz>
14194 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14195 * i386.c (x86_decompose_lea): Kill.
14196 (ix86_rtx_costs): Kill.
14198 2006-01-11 Jan Hubicka <jh@suse.cz>
14200 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14201 * cgraph.h (cgraph_node): Add inline_decl.
14202 (cgraph_insert_node_to_hashtable): Declare.
14203 (save_inline_function_body): Declare.
14204 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14206 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14207 (cgraph_function_versioning): Update call of tree_function_versioning.
14208 (save_inline_function_body): New function.
14209 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14210 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14211 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14212 (cgraph_default_inline_p): Likewise.
14213 (cgraph_decide_inlining_incrementally): Likewise.
14214 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14215 (copy_bb): Kill saving; do updating of clones.
14216 (copy_cfg_body): Kill saving.
14217 (initialize_inlined-parameters): Likewise.
14218 (expand_call_inline): Likewise.
14220 (tree_function_versioning): New parameter "update_clones".
14221 (inlining_p): Kill saving.
14222 * tree-inline.h (tree_function_versioning): Update prototype.
14223 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14226 2006-01-11 Ian Lance Taylor <ian@airs.com>
14228 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14229 Allow undoing set of machine mode.
14230 (do_SUBST): Use enums instead of is_int.
14231 (do_SUBST_MODE): New function.
14232 (SUBST_MODE): New macro.
14233 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14234 reg and trying to replace reg_regno_rtx with a new register.
14235 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14236 (simplify_set): Use SUBST_MODE.
14237 (distribute_notes): Remove code that tried to update reg notes
14238 for regno_reg_rtx changes.
14240 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14242 PR tree-optimization/23109
14243 PR tree-optimization/23948
14244 PR tree-optimization/24123
14246 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14247 * tree-cfg.c (single_noncomplex_succ): New.
14248 * tree-flow.h (single_noncomplex_succ): Declare it.
14249 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14250 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14251 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14252 insert_bb, register_division_in, insert_reciprocals,
14253 replace_reciprocal, free_bb): New.
14254 (execute_cse_reciprocals_1): Rewritten.
14255 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14256 Do not commit any edge insertion. Always compute dominators and
14257 create the allocation pool.
14258 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14259 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14260 * targhooks.c (default_min_divistions_for_recip_mul): New.
14261 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14262 * passes.c (init_optimization_passes): Run recip after tree loop
14264 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14266 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14267 Kenneth Zadeck <zadeck@naturalbridge.com>
14269 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14270 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14271 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14272 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14273 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14274 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14275 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14276 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14277 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14278 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14279 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14280 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14281 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14282 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14283 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14284 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14285 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14286 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14287 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14288 DF_SCAN_POST_ALLOC): New macros.
14289 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14290 df_free_bb_function, df_local_compute_function, df_init_function,
14291 df_dataflow_function, df_confluence_function_0,
14292 df_confluence_function_n, df_transfer_function,
14293 df_finalizer_function, df_free_function, df_dump_problem_function,
14294 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14295 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14296 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14297 df_urec_bb_info, ) New types.
14298 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14300 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14301 df_analyze_simple_change_some_blocks,
14302 df_analyze_simple_change_one_block, df_compact_blocks,
14303 df_bb_replace, df_bb_regno_last_use_find,
14304 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14305 df_insn_regno_def_p, df_find_def, df_find_use,
14306 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14307 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14308 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14309 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14310 debug_df_chain, df_get_dependent_problem, df_chain_create,
14311 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14312 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14313 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14314 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14315 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14316 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14317 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14318 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14319 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14320 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14321 df_reorganize_refs, df_set_state, df_hard_reg_init,
14322 df_read_modify_subreg_p) New public functions.
14323 * df-core.c: The core dataflow solver and glue routines for rtl
14325 (df_init, df_add_problem, df_set_blocks, df_finish,
14326 df_hybrid_search_forward, df_hybrid_search_backward,
14327 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14328 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14329 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14330 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14331 df_reg_defined, df_find_use, df_reg_used, df_dump,
14332 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14333 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14334 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14335 debug_df_useno, reset_df_after_reload): New functions.
14336 * df-scan.c: The scanning fuctions, once in df.c, completely
14337 rewritten so that they now fully model the functionality of
14338 register usage at the backend.
14339 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14340 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14341 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14342 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14343 df_get_artificial_defs, df_get_artificial_uses,
14344 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14345 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14346 df_refs_delete, df_reorganize_refs, df_set_state,
14347 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14348 df_def_record_1, df_defs_record, df_uses_record,
14349 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14350 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14351 df_record_exit_block_uses, df_hard_reg_init): New functions.
14353 * df-problems.c: Seven concrete dataflow problems that use the
14354 scanning in df-scan.c and are solved by the engine in df-core.c.
14355 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14356 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14357 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14358 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14359 df_ru_free_bb_info, df_ru_alloc,
14360 df_ru_bb_local_compute_process_def,
14361 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14362 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14363 df_ru_transfer_function, df_ru_free, df_ru_dump,
14364 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14365 df_rd_free_bb_info, df_rd_alloc,
14366 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14367 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14368 df_rd_transfer_function, df_rd_free, df_rd_dump,
14369 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14370 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14371 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14372 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14373 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14374 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14375 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14376 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14377 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14378 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14379 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14380 df_urec_mark_reg_use_for_earlyclobber,
14381 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14382 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14383 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14384 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14385 df_chain_create_bb_process_use, df_chain_create_bb,
14386 df_chain_finalize, df_chain_free, df_chains_dump,
14387 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14388 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14389 df_reg_lifetime): New functions.
14390 * df.c: Deleted file.
14391 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14392 consistent with new df api.
14393 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14394 rest_of_handle_sms): Ditto.
14395 * web.c (unionfind_union, union_defs, entry_register, web_main):
14397 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14398 invariant_expr_equal_p, find_defs, check_dependencies,
14399 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14400 free_inv_motion_data, move_loop_invariants): Ditto.
14401 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14402 Update dependencies.
14403 (odf.c): Added defective entry that was deleted later in day.
14404 * sched-deps.c (sched_analyze_1): Ditto.
14406 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14408 * tree-ssa-operands.c (get_expr_operands): Record addressable
14409 variables directly. Do not call add_stmt_operands for CONST_DECLs
14411 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14412 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14414 2006-01-11 Ben Elliston <bje@au.ibm.com>
14416 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14417 function returns true in the positive case.
14419 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14422 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14423 for SI, DI, SF and DF modes. Add alternatives to copy between
14424 general and floating point registers to the 32-bit patterns.
14425 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14426 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14427 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14428 generating 64-bit code.
14429 * config/pa/pa.c (output_move_double): Handle copies between general
14430 and floating registers.
14432 2006-01-10 Stuart Hastings <stuart@apple.com>
14434 * config/i386/i386.md (set_got): Update.
14435 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14436 (builtin_setjmp_receiver): Mach-O support.
14437 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14438 (GOT_SYMBOL_NAME): Define.
14439 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14440 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14441 * config/i386/i386.c (override_options): Revise for Darwin.
14442 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14443 support. (darwin_x86_file_end): New. (output_set_got): Add label
14444 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14445 * config/i386/i386-protos.h (output_set_got): Likewise.
14446 * config/darwin.c (machopic_legitimize_pic_address): Update
14449 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14451 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14452 when MODE isn't BLKmode.
14454 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14456 PR rtl-optimization/25367
14457 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14459 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14462 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14463 for a negative bound.
14465 2006-01-10 Richard Guenther <rguenther@suse.de>
14467 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14468 Never override with anything constraint.
14470 2006-01-10 Jan Beulich <jbeulich@novell.com>
14472 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14473 256 bits when optimize_size.
14475 2006-01-10 Jan Beulich <jbeulich@novell.com>
14477 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14479 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14480 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14483 2006-01-10 Ben Elliston <bje@au.ibm.com>
14485 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14487 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14488 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14489 (USE_FP_FOR_ARG): Reject decimal float modes.
14490 (function_arg_advance): Likewise.
14491 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14492 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14493 point types in AltiVec vectors.
14494 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14495 (rs6000_libcall_value): Likewise.
14497 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14499 * config/xtensa/ieee754-df.S: New file.
14500 * config/xtensa/ieee754-sf.S: New file.
14501 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14502 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14503 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14505 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14507 * config/sh/predicates.md (binary_float_operator,
14508 binary_logical_operator, commutative_float_operator,
14509 equality_comparison_operator, greater_comparison_operator,
14510 less_comparison_operator, logical_operator,
14511 noncommutative_float_operator, shift_operator,
14512 symbol_ref_operand, unary_float_operator): Remove redundant
14515 2006-01-09 Jeff Law <law@redhat.com>
14517 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14518 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14519 now unused arguments. Callers updated.
14520 (eliminate_redundant_computations): Remove now unused arguments,
14522 (local_fold): Remove, no longer used.
14523 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14525 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14526 (simplify_cond): New function.
14527 (forward_propagate_into_cond): Call simplify_cond.
14529 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14531 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14532 (*vec_extractv2di_1_sse): New.
14534 2006-01-09 Ben Elliston <bje@au.ibm.com>
14536 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14538 2006-01-08 Richard Guenther <rguenther@suse.de>
14540 * tree-ssa-structalias.c (get_constraint_for): Remove
14541 anyoffset argument.
14542 (get_constraint_for_component_ref): Likewise.
14543 (do_deref): Likewise.
14544 (get_constraint_for): Likewise.
14545 (do_structure_copy): Likewise.
14546 (handle_ptr_arith): Likewise.
14547 (find_func_aliases): Likewise. Remove unused need_anyoffset
14550 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14551 Kaz Kojima <kkojima@gcc.gnu.org>
14553 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14554 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14555 (EXTRA_CONSTRAINT_C16): Remove.
14556 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14557 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14558 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14559 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14560 constants of SHmedia. Handle nested constant expressions of
14562 (andcosts): Fix the costs for SHmedia constants.
14563 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14564 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14565 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14566 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14567 (movv4hi_i, movv2si_i): Likewise.
14568 (movsi_const): Adjust the second operand of ior so to match with
14569 the Csu constraint.
14570 (movdi_const, movdi_const_32bit): Likewise.
14571 (movdi_const_16bit+1): Don't sign-extend LOW.
14572 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14574 (*double_shori): Fix the split condition. Use GEN_INT instead
14575 of get_int_mode calls. Mask lower 16-bit of the argument of
14577 (sym2GOTPLT): Remove.
14578 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14580 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14581 instead of EXTRA_CONSTRAINT_C16.
14583 2006-01-07 Ian Lance Taylor <ian@airs.com>
14584 David Edelsohn <edelsohn@gnu.org>
14586 PR rtl-optimization/25662
14587 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14588 for constant operands instead of simplify_gen_binary.
14589 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14590 after trying simplify_binary_operation
14592 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14594 * tree.c (iterative_hash_expr): Hash decls based on UID.
14596 2006-01-06 Eric Christopher <echristo@apple.com>
14598 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14599 (TARGET_UNWIND_EMIT): Fix spelling.
14600 * target.h (gcc_target): Add except_table_label.
14601 * except.c (output_function_exception_table): Use.
14602 * varasm.c (default_emit_except_table_label): New.
14603 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14605 (asm_out): Add here.
14606 * output.h (default_emit_except_table_label): Prototype.
14607 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14608 * config/darwin.c (darwin_emit_except_table_label): Define.
14609 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14611 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14613 PR tree-optimization/18527
14614 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14615 number_of_iterations_special, number_of_iterations_exit):
14616 Move base and step of an iv to a single structure. Add
14617 no_overflow flag, and use it in # of iterations analysis.
14618 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14619 folded_casts argument.
14620 (simple_iv): Pass base and step in a structure. Set no_overflow
14622 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14623 Evaluate expensiveness of computing # of iterations instead of
14624 the final expression.
14625 * tree-scalar-evolution.h (affine_iv): New structure.
14626 (simple_iv): Declaration changed.
14627 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14628 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14629 find_givs_in_stmt): Changed due to simple_iv change.
14631 2006-01-06 Jeff Law <law@redhat.com>
14634 * tree-cfg.c (bsi_replace): Rename final argument from
14635 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14636 change (stmt -> orig_stmt).
14637 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14638 (bsi_remove): Add new argument. Remove EH information
14640 (verify_eh_throw_table_statements): New function.
14641 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14643 * tree-optimize.c (execute_free_cfg_annotations): Verify
14644 the EH throw statement table after removing annotations.
14645 * except.h (verify_eh_throw_table_statements): Prototype.
14646 * tree-flow.h (bsi_remove): Update prototype.
14647 * tree-vrp.c (remove_range_assertions): Add new argument to
14649 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14650 * tree-complex.c (expand_complex_div_wide): Likewise.
14651 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14652 * tree-tailcall.c (eliminate_tailcall): Likewise.
14653 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14654 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14655 * tree-nrv.c (tree_nrv): Likewise.
14656 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14657 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14658 (combine_blocks): Likewise.
14659 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14660 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14661 (cleanup_control_flow): Likewise.
14662 (remove_forwarder_block): Likewise.
14663 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14664 * tree-sra.c (sra_replace): Likewise.
14665 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14666 (forward_propagate_single_use_vars): Likewise.
14667 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14668 * tree-inline.c (expand_call_inline): Likewise.
14669 * tree-vect-transform.c (vect_transform_loop): Likewise.
14670 * tree-outof-ssa.c (rewrite_trees): Likewise.
14671 * tree-cfg.c (make_goto_expr_edges): Likewise.
14672 (cleanup_dead_labels): Likewise.
14673 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14674 (bsi_move_before, bsi_move_after): Likewise.
14675 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14676 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14678 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14681 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14683 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14684 on non gimple variables. Also add checks at the top for decls and
14686 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14688 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14689 and IMAGPART_EXPR for creating MUST_DEFs.
14690 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14691 and NAME_MEMORY_TAG separately from the DECLs.
14693 2006-01-06 Richard Guenther <rguenther@suse.de>
14695 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14696 annotation, if necessary.
14697 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14698 redundant calls to update_stmt.
14699 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14702 2006-01-05 Richard Henderson <rth@redhat.com>
14704 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14706 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14708 * c-typeck.c: Update copyright date.
14710 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14712 * c-typeck.c (build_c_cast): Always warn when casting
14713 from a pointer to an integer of different size, even if
14714 the node was constant.
14716 2006-01-05 Richard Guenther <rguenther@suse.de>
14718 PR tree-optimization/22555
14719 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14720 if one structure field is an array.
14721 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14722 operands even if we found a subvar, but ignore VOPs in this
14724 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14726 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14728 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14730 PR middle-end/24998
14731 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14733 2006-01-05 Richard Guenther <rguenther@suse.de>
14734 Diego Novillo <dnovillo@redhat.com>
14736 * tree-pass.h (TODO_remove_unused_locals): Define.
14737 * gimple-low.c (expand_var_p, remove_useless_vars,
14738 pass_remove_useless_vars): Remove. Update all users.
14739 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14740 (remove_unused_locals): New function.
14741 * tree-flow.h (remove_unused_locals): Declare.
14742 * passes.c (execute_todo): Call remove_unused_locals if
14743 TODO_remove_unused_locals is set.
14744 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14745 * tree-ssa-dce.c (pass_dce): Likewise.
14746 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14748 2006-01-05 Richard Guenther <rguenther@suse.de>
14750 * tree-flow.h (struct fieldoff): Decompose field to
14751 type, size and decl.
14752 * tree-ssa-alias.c (create_sft): Take type as parameter.
14753 (create_overlap_variables_for): Store type, size and decl
14754 in the fieldoff structure.
14755 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14756 of struct fieldoff.
14757 (push_fields_onto_fieldstack): Likewise.
14758 (create_variable_info_for): Likewise. Use offset for the
14759 SFT name if the decl is not available.
14761 2006-01-04 Paul Brook <paul@codesourcery.com>
14763 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14765 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14767 * lambda-code.c (can_put_in_inner_loop): Relax
14769 (can_put_after_inner_loop): New function.
14770 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14771 (perfect_nestify): Change to make copies and modify uses.
14773 2006-01-04 Richard Henderson <rth@redhat.com>
14775 Merge from gomp branch:
14776 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14777 via integer constant.
14778 (pragma_lex): Remove.
14779 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14780 rather than parsing it.
14781 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14782 handle_pragma_extern_prefix): Add %< %> quotes.
14783 (registered_pragmas): New.
14784 (c_register_pragma_1): New.
14785 (c_register_pragma): Use it.
14786 (c_register_pragma_with_expansion): Likewise.
14787 (c_invoke_pragma_handler): New.
14788 (init_pragma): Use cpp_register_deferred_pragma directly for
14790 * c-pragma.h (enum pragma_kind): New.
14791 (pragma_handler): New.
14792 (c_invoke_pragma_handler): Declare.
14793 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14795 * c-common.h (c_common_pch_pragma): Update decl.
14796 * Makefile.in (c-parser.o): Update dependencies.
14797 (GTFILES): Add c-pragma.h.
14798 * c-parser.c (struct c_token): Add pragma_kind.
14799 (struct c_parser): Add in_pragma.
14800 (c_lex_one_token): Always initialize keyword and pragma_kind.
14801 Extract data for CPP_PRAGMA.
14802 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14803 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14804 Don't allow CPP_PRAGMA_EOL if in_pragma.
14805 (c_parser_consume_pragma): New.
14806 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14807 (c_parser_skip_to_end_of_parameter): Likewise.
14808 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14809 (c_parser_skip_to_pragma_eol): New.
14810 (c_parser_external_declaration): Handle CPP_PRAGMA.
14811 (c_parser_compound_statement_nostart): Likewise.
14812 (c_parser_statement_after_labels): Likewise.
14813 (c_parser_pragma): New.
14814 (pragma_lex): Likewise.
14815 (c_parser_pragma_pch_preprocess): New.
14816 (c_parser_new): Merge into ...
14817 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14819 2006-01-04 Jeff Law <law@redhat.com>
14822 * tree-cfg.c (bsi_replace): Remove the original statement
14823 from the EH throw statement table.
14825 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14827 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14828 make the prototype extern "C" and add throw ().
14831 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14832 and pos non-negative and pos + len <= 32.
14833 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14834 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14835 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14838 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14839 as well as sizes not multiple of component size.
14842 * function.c (instantiate_expr): New function.
14843 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14844 walk its DECL_VALUE_EXPR with instantiate_expr.
14846 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14847 DW_OP_deref{,_size} if address isn't going to be added.
14849 2006-01-04 Ben Elliston <bje@au.ibm.com>
14851 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14852 * config/fp-bit.c: Likewise.
14854 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14856 * dominance.c: Add comment about why we use DFS numbering
14859 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14860 Richard Henderson <rth@redhat.com>
14862 Merge from gomp-branch:
14863 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14864 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14866 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14868 PR rtl-optimization/25578
14869 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14870 pass a parameter to simplify_shift_const if changing ASHIFTRT
14873 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14875 * builtins.c (get_builtin_sync_mem): New function.
14876 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14877 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14878 Call get_builtin_sync_mem to generate mem rtx.
14880 2006-01-03 Richard Guenther <rguenther@suse.de>
14883 * stmt.c (add_case_node): Make sure to clear overflow flags
14886 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14888 Merge from gomp-branch.
14889 * config/sparc/sync.md: New file.
14890 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14891 UNSPECV_LDSTUB): New constants.
14892 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14893 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14894 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14897 2006-01-03 Roger Sayle <roger@eyesopen.com>
14899 * combine.c (reg_subword_p): New predicate to test whether the
14900 destination of a set refers to a subword/piece of a register.
14901 (try_combine): Generalize the code to merge the setting of a
14902 pseudo to a constant followed by a set of a subword of that
14903 register to a constant.
14905 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14907 * basic-block.h (control_flow_graph): Change the type of
14908 x_label_to_block_map to VEC(basic_block,gc) *.
14909 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14910 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14912 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14913 VEC(basic_block,heap) *.
14914 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14915 ssa_prop_fini): Adjust the uses of cfg_blocks.
14917 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14919 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14921 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14922 hashing trees instead of a pointer hash.
14923 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14924 compare for MEM_EXPR.
14926 PR rtl-optimization/25130
14927 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14928 when comparing MEMs for GCSE
14930 2006-01-03 Ben Elliston <bje@au.ibm.com>
14932 * targhooks.h (default_decimal_float_supported_p): Declare.
14933 * targhooks.c (default_decimal_float_supported_p): Define.
14934 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14935 `default_decimal_float_supported_p'.
14936 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14938 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14940 * combine.c (apply_distributive_law <SUBREG>): Check
14941 TRULY_NOOP_TRUNCATION.
14943 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14945 * dwarf2out.c (have_switched_text_section): Delete.
14946 (have_multiple_function_sections): New.
14947 (have_location_lists): Make 'bool'.
14948 (add_AT_loc_list): Use 'true' not '1'.
14949 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14950 (output_loc_list): Use have_multiple_function_sections.
14951 (output_ranges): Likewise.
14952 (dwarf2out_begin_function): Set have_multiple_function_sections if
14954 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14955 Check function_section rather than DECL_SECTION_NAME.
14956 (dwarf2out_finish): Use have_multiple_function_sections.
14957 Don't clear have_location_lists.
14959 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14960 Jan Hubicka <jh@suse.cz>
14962 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14963 case of conditional jump jumping to the next instruction.
14964 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14965 cases of conditional jump jumping to the next instruction.
14967 2006-01-02 Jan Hubicka <jh@suse.cz>
14969 * i386.c (*_cost): Add COSTS_N_INSNS.
14970 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14972 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14975 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14977 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14979 * config/arm/arm.c (all_fpus): Fix comment typo.
14980 * config/darwin.c: Likewise.
14981 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14982 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14983 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14985 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14987 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14988 (rs6000_split_compare_and_swapqhi): New.
14989 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14990 (sync_compare_and_swapqhi_internal): New.
14991 * config/rs6000/rs6000-protos.h: Declare.