1 2005-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5 expanding the number of iterations.
7 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
9 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
12 2006-09-14 Richard Guenther <rguenther@suse.de>
13 Kazu Hirata <kazu@codesourcery.com>
16 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
17 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
18 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
19 with TARGET_FUNCTION_VALUE.
21 2006-09-14 Anatoly Sokolov <aesok@post.ru>
24 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
26 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
28 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
31 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
34 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
37 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
39 * basic_block.h (bb_has_eh_pred): Fix comment.
41 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
43 * flow.c (calculate_global_regs_live): Invalidate eh registers
44 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
45 (propagate_block): Handle eh registers as if they were set at basic
47 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
49 * global.c (global_conflicts): Make eh registers to conflict with
50 pseudos live at basic block begin.
51 * basic_block.h (bb_has_eh_pred): New function.
53 2006-09-13 Richard Sandiford <richard@codesourcery.com>
55 PR rtl-optimization/28982
56 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
57 index of a PRE_MODIFY or POST_MODIFY address.
58 * reload1.c (inc_for_reload): Use find_replacement on the original
59 base and index registers.
61 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
63 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
64 for -Os. Update __m128 alignment requirement.
66 2006-09-13 Jan Hubicka <jh@suse.cz>
68 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
70 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
72 PR rtl-optimization/28243
73 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
74 the insn to which the note was originally attached.
76 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
77 Roger Sayle <roger@eyesopen.com>
79 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
80 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
81 on platforms that don't use dwarf for debug info.
83 2006-09-12 Jason Merrill <jason@redhat.com>
86 * builtins.c (expand_builtin_setjmp_receiver): Clobber
87 hard_frame_pointer_rtx after using it to update the frame pointer.
89 2006-09-12 Roger Sayle <roger@eyesopen.com>
91 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
92 (TARGET_ASM_CLOSE_PAREN): Likewise.
93 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
94 (TARGET_ASM_CLOSE_PAREN): Likewise.
96 2006-09-12 Roger Sayle <roger@eyesopen.com>
99 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
100 frame information for frames larger than 512 Kbytes on Tru64 when
101 using the native assembler.
103 2006-09-12 Roger Sayle <roger@eyesopen.com>
107 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
108 and symbols. Instead use the implementation from cse.c's hash_rtx.
110 2006-09-12 Jan Hubicka <jh@suse.cz>
112 PR rtl-optimization/28071
113 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
114 (vect_transform_loop): Likewise.
115 * tree-vectorizer.c (new_loop_vec_info): Likewise.
116 (new_loop_vec_info): Likewise.
117 (destroy_loop_vec_info): Likewise.
118 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
119 (create_stmt_ann): Likewise.
120 (create_tree_ann): Rename to ...
121 (create_tree_common_ann): ... this one; allocate only the common part
123 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
124 (get_value_handle): Likewise.
125 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
127 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
128 (vinfo_for_stmt): Use stmt annotations.
129 * tree-flow.h (tree_ann_common_t): New type.
130 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
131 (tree_ann, get_tree_ann, create_tree_ann): New.
132 * tree-flow-inline.h (get_function_ann): Do more type checking.
133 (stmt_ann): Likewise.
134 (tree_ann): Rename to ...
135 (tree_common_ann): ... this one; return ony common_ann
136 (get_tree_ann): Rename to ...
137 (tree_common_ann): This one; return only common_ann.
138 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
141 2006-09-11 Geoffrey Keating <geoffk@apple.com>
143 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
146 * dwarf2out.c (dwarf_file_data): New.
147 (enum dw_val_class): Add dw_val_class_file.
148 (struct dw_val_struct): Add val_file.
149 (file_table): Change to a hash table.
150 (file_table_emitted): Delete.
151 (file_table_last_lookup_index): Delete.
153 (last_emitted_file): New.
154 (lookup_filename): Change prototype to return a struct dwarf_file_data.
155 (init_file_table): Delete.
156 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
157 (AT_addr): Add comment.
161 (print_die): Handle dw_val_class_file.
162 (print_dwarf_line_table): Update for new file table structure.
163 (attr_checksum): Do checksum a filename.
164 (same_dw_val_p, same_attr_p): Do compare a filename.
165 (size_of_die): Handle dw_val_class_file.
166 (value_format): Likewise.
167 (output_die): Likewise. Also, call maybe_emit_file here.
168 (struct file_info): Constify filenames. Make file_idx a pointer
169 to a struct dwarf_file_data.
170 (struct dir_info): Constify directory names. Remove 'used' field.
171 (struct file_name_acquire_data): New.
172 (file_name_acquire): New.
173 (output_file_names): Modify to handle new file data structures.
174 (add_src_coords_attributes): Use add_AT_file.
175 (add_call_src_coords_attributes): Likewise.
176 (dwarf2out_imported_module_or_decl): Likewise.
177 (gen_subprogram_die): Modify for new file data structures.
178 (gen_variable_die): Likewise.
179 (file_table_eq): New.
180 (file_table_hash): New.
181 (file_table_last_lookup): New.
182 (lookup_filename): Rewrite to handle new file data structures.
183 (maybe_emit_file): Rewrite to handle new file data structures.
184 (dwarf2out_source_line): Always call lookup_filename and
186 (dwarf2out_init): Create file_table here.
187 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
188 (file_table_relative_p): New.
189 (dwarf2out_finish): Change detection of relative filenames
190 to work with new file data structures. Move output_line_info call
191 after debug_info output.
193 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
198 * config/i386/i386.c (override_options): Always default to 16
201 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
204 * var-tracking.c (dump_dataflow_set): Start dumping at
206 (clobber_variable_part): Kill only the variable part in
207 registers holding it, leaving other variables alone.
209 2006-09-11 Josh Triplett <josh@freedesktop.org>
211 * doc/extend.texi (Other Builtins): Actually use the macro
212 argument in the documentation example for
213 __builtin_types_compatible_p.
215 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
217 PR rtl-optimization/28726
218 * sched-deps.c (sched_analyze_reg): New function extracted from...
219 (sched_analyze_1): ...here. Call it to analyze references to
220 registers. Treat again writes to a stack register as writing to the
222 (sched_analyze_2): ...and here. Call it to analyze references to
223 registers. Treat again reads of a stack register as reading the
226 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
227 David Edelsohn <edelsohn@gnu.org>
230 * config/rs6000/spe.md (frob_df_di): Remove %H.
231 (frob_di_df): Remove %H. Change evmergelo to mr.
232 (frob_di_df_2): Remove %H. Change evldd to two loads.
234 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
236 * doc/cpp.texi: Fix names of charset options.
238 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
241 * config/i386/i386.c (override_options): Use 128-bit
242 stack boundary always for 64bits.
244 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
246 PR rtl-optimization/28636
247 * combine.c (force_to_mode): Test for side-effects before
248 substituting by zero.
249 (simplify_shift_const): Likewise for zero or other constants.
251 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
254 * builtins.c (expand_builtin_setjmp): Force next_lab to be
257 2006-09-10 Richard Sandiford <richard@codesourcery.com>
260 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
261 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
262 returned by mode_for_size, rather than the mode of src itself,
263 to choose between 32-bit and 64-bit patterns.
264 (mips_mem_fits_mode_p): New function.
265 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
266 that the size of the source matches the size of the destination.
267 (mov_<store>l, mov_<store>r): Likewise.
269 2006-09-10 Eric Christopher <echristo@apple.com>
271 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
274 2006-09-09 Eric Christopher <echristo@apple.com>
277 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
280 2006-09-09 Roger Sayle <roger@eyesopen.com>
281 Nicolas Setton <setton@adacore.com>
283 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
285 2006-09-10 Andreas Schwab <schwab@suse.de>
287 * config/m68k/m68k.md (bungt_rev): New pattern.
289 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
290 Dale Johannesen <dalej@apple.com>
293 * regclass.c (struct reg_pref): Update documentation.
294 (regclass): Set prefclass to NO_REGS if memory is the best option.
295 (record_reg_classes): Cope with a prefclass set to NO_REGS.
297 2006-09-08 Eric Christopher <echristo@apple.com>
299 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
300 * config/t-slibgcc-darwin: Support x86_64 multilib.
301 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
302 Return 1 for x86_64-darwin.
303 * config/i386/t-darwin: Add m64 multilib.
304 (LIB2_SIDITI_CONV_FUNCS): Use.
305 (LIB2FUNCS_EXTRA): Ditto.
306 * config/i386/darwin.h: Support x86_64.
307 * config/i386/i386.c (override_options): Turn on flag_pic
308 for x86_64-darwin. Disable flag_omit_pointer.
309 (get_pc_thunk_name): Assert !TARGET_64BIT.
310 (legitimate_address_p): Disable machopic addressing for
312 (legitimize_pic_address): Ditto.
313 (ix86_expand_move): Ditto.
314 (ix86_expand_call): Ditto.
315 (machopic_output_stub): Ditto.
316 * config/darwin.c (machopic_select_section): Support literal16.
317 (machopic_select_rtx_section): Ditto.
318 * config/darwin-sections.def: Ditto.
319 * config/darwin-64.c: New.
321 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
324 * c-tree.h (struct c_arg_info): Add pending_sizes.
325 * c-parser.c (c_parser_parms_declarator,
326 c_parser_parms_list_declarator): Initialize pending_sizes.
327 * c-decl.c (get_parm_info): Initialize pending_sizes.
328 (get_parm_info): Set pending_sizes.
329 (grokdeclarator): Call put_pending_sizes for parameters for
330 function definition only.
332 2006-09-07 Jason Merrill <jason@redhat.com>
335 * varasm.c (output_constant): Only strip actual no-op conversions.
338 * config/i386/i386.c (override_options): Use 128-bit
339 stack boundary if -msse.
341 2006-09-07 Eric Christopher <echristo@apple.com>
343 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
345 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
348 2006-09-07 Geoffrey Keating <geoffk@apple.com>
350 * dwarf2out.c: Remove strange characters from comment above
351 dwarf2out_frame_debug_expr.
353 2006-09-07 Eric Christopher <echristo@apple.com>
355 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
356 * config/darwin.h: ... to here.
358 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
360 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
362 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
363 (TARGET_PARTIAL_FLAG_REG_STALL): New.
365 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
366 TARGET_PARTIAL_FLAG_REG_STALL.
367 (*ashldi3_cconly_rex64): Likewise.
368 (*ashlsi3_cmp): Likewise.
369 (*ashlsi3_cconly): Likewise.
370 (*ashlsi3_cmp_zext): Likewise.
371 (*ashlhi3_cmp): Likewise.
372 (*ashlhi3_cconly): Likewise.
373 (*ashlqi3_cmp): Likewise.
374 (*ashlqi3_cconly): Likewise.
375 (*ashrdi3_cmp_rex64): Likewise.
376 (*ashrdi3_cconly_rex64): Likewise.
377 (*ashrsi3_cmp): Likewise.
378 (*ashrsi3_cconly): Likewise.
379 (*ashrsi3_cmp_zext): Likewise.
380 (*ashrhi3_cmp): Likewise.
381 (*ashrhi3_cconly): Likewise.
382 (*ashrqi3_cmp): Likewise.
383 (*ashrqi3_cconly): Likewise.
384 (*lshrdi3_cmp_rex64): Likewise.
385 (*lshrdi3_cconly_rex64): Likewise.
386 (*lshrsi3_cmp): Likewise.
387 (*lshrsi3_cconly): Likewise.
388 (*lshrsi3_cmp_zext): Likewise.
389 (*lshrhi3_cmp): Likewise.
390 (*lshrhi3_cconly): Likewise.
391 (*lshrqi2_cmp): Likewise.
392 (*lshrqi2_cconly): Likewise.
394 2006-09-07 Uros Bizjak <uros@kss-loka.si>
397 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
398 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
399 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
400 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
401 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
402 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
403 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
404 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
405 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
406 implement only CC setting effects of shift instructions.
408 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
410 * doc/contrib.texi: Add myself.
412 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
415 * stor-layout.c (relayout_decl): Don't zero the alignment if it
418 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
421 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
422 (divsi_inv_m1): Use them.
423 (UNSPEC_DIV_INV_TABLE): New constant.
425 2006-09-06 James E Wilson <wilson@specifix.com>
428 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
429 then call count_or_remove_death_notes.
431 2006-09-06 Jason Merrill <jason@redhat.com>
434 * tree-inline.c (copy_result_decl_to_var): New fn.
435 (declare_return_variable): Use it. Call declare_inline_vars here.
436 (expand_call_inline): Not here.
438 2006-09-06 Diego Novillo <dnovillo@redhat.com>
440 * doc/contrib.texi: Update my entry.
442 2006-09-06 Nick Clifton <nickc@redhat.com>
444 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
446 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
449 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
450 (canonicalize_induction_variables): Likewise.
451 (tree_unroll_loops_completely): Likewise.
452 (tree_ssa_prefetch_arrays): Likewise.
453 (remove_empty_loops): Likewise.
454 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
455 TODO_cleanup_cfg instead of directly calling
456 cleanup_tree_cfg_loop.
457 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
459 (tree_unroll_loops_completely): Likewise.
460 (remove_empty_loops): Likewise.
461 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
462 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
463 of tree_ssa_unswitch_loops.
464 (tree_ssa_loop_ivcanon): Use the return value of
465 canonicalize_induction_variables.
466 (tree_ssa_empty_loop): Use the return value of
468 (tree_complete_unroll): Use the return value of
469 tree_unroll_loops_completely.
470 (tree_ssa_loop_prefetch): Use the return value of
471 tree_ssa_prefetch_arrays.
472 * passes.c (execute_todo): Before Cleanup CFG, set
473 updating_used_alone and after cleanup CFG, call
474 recalculate_used_alone.
476 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
479 * tree-vect-transform.c (vectorizable_condition): Move the check
480 for the type after the check for simple condition.
482 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
483 Kaz Kojima <kkojima@gcc.gnu.org>
486 * mode-switching.c (optimize_mode_switching): Make the destination
487 block of an abnormal edge have no anticipatable mode. Don't
488 insert mode switching code at the end of the source block of
491 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
493 PR rtl-optimization/26847
494 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
495 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
496 (simplify_plus_minus): Count n_constants while filling ops. Replace
497 qsort with insertion sort. Before going through the array to simplify
498 pairs, sort it. Delay early exit until after the first sort, exiting
499 only if no swaps occurred. Simplify pairs in reversed order, without
500 special-casing the first iteration. Pack ops after simplifying pairs.
502 2006-09-05 Anatoly Sokolov <aesok@post.ru>
504 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
505 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
506 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
507 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
509 2006-09-05 Richard Guenther <rguenther@suse.de>
511 PR tree-optimization/28900
512 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
513 compound conditional before creating COND_EXPR condition.
515 2006-09-05 Richard Guenther <rguenther@suse.de>
517 PR tree-optimization/28905
518 * tree-vrp.c (fix_equivalence_set): Manually implement
519 !value_ranges_intersect_p to also handle symbolic ranges.
521 2006-09-05 Richard Guenther <rguenther@suse.de>
524 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
527 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
529 PR rtl-optimization/27616
530 * cse.c (table_size): New static variable.
531 (new_basic_block): Initialize it to 0.
532 (remove_from_table): Decrement it.
533 (insert): Increment it.
534 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
535 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
536 fold_rtx_mem_1 if under the cap.
537 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
538 the lookup of the equivalent expression and test for equality of the
539 first operand of the equivalent expression before in turn looking up
540 an equivalent constant for the second operand.
542 2006-09-02 Geoffrey Keating <geoffk@apple.com>
545 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
546 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
547 pointer, instead of assuming it is possible to derive the
548 correct args size from a call insn.
550 2006-09-02 Jakub Jelinek <jakub@redhat.com>
553 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
554 (fold_builtin_mempcpy): Rename to...
555 (fold_builtin_memory_op): ... this. Optimize one element copy
557 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
559 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
560 (expand_builtin_memcpy, expand_builtin_mempcpy,
561 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
562 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
563 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
564 BUILT_IN_MEM{CPY,PCPY,MOVE}.
566 2006-09-01 DJ Delorie <dj@redhat.com>
568 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
570 ("stzx_24_<mode>"): Likewise.
571 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
572 ("cmp<mode>_op"): New.
573 (cmp<mode>): Change to expander; just save operands.
575 (b<code>): Change to expander, emit compare here.
576 (s<code>_op): Change to use split and expander.
577 (s<code>_24_op): Likewise.
578 (s<code>_<mode>): New.
579 (s<code>_<mode>_24): New.
580 (movqicc_<code>_<mode): New.
581 (movhicc_<code>_<mode>): New.
584 * config/m32c/m32c.c (compare_op0, compare_op1): New.
585 (m32c_pend_compare): New.
586 (m32c_unpend_compare): New.
587 (m32c_expand_scc): New.
588 (m32c_expand_movcc): Emit the compare also.
589 * config/m32c/predicates.md (mra_nopp_operand): New.
591 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
592 Richard Guenther <rguenther@suse.de>
593 Adam Nemet <anemet@caviumnetworks.com>
596 * builtins.c (get_pointer_alignment): Handle more forms
597 of base addresses that can be used to derive more precise
598 information about alignment.
600 2006-09-01 Jason Merrill <jason@redhat.com>
603 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
606 * gimplify.c (voidify_wrapper_expr): Handle null type.
608 2006-09-01 Josh Conner <jconner@apple.com>
611 * tree-nrv.c (dest_safe_for_nrv_p): New function.
612 (execute_return_slot_opt): Use it.
614 2006-08-31 Josh Conner <jconner@apple.com>
617 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
618 returning aggregates.
620 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
622 PR tree-optimization/28839
623 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
624 blocks in that phi arguments appear.
626 2006-08-31 Roger Sayle <roger@eyesopen.com>
629 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
630 NULL, otherwise use an advance_loc4 to adjust relative to the
632 (output_cfi) <DW_CFA_set_loc>: Update the current label.
633 (dwarf2out_switch_text_section): Reset the current label to avoid
634 using advance_loc4 over section boundaries.
636 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
639 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
640 r12 + SYMBOLIC_CONST.
642 2006-08-30 Richard Guenther <rguenther@suse.de>
644 * Makefile.in (see.o): Add $(EXPR_H) dependency.
646 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
648 PR rtl-optimization/27735
649 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
650 Add new argument to keep track of whether an irreducible region
651 was affected. All callers changed.
652 (fix_irreducible_loops): Removed.
653 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
654 flags were invalidated.
656 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
658 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
659 instead of SF operands.
660 (*fop_df_comm_sse): Likewise.
661 (*fop_df_comm_i387): Likewise.
662 (*fop_df_1_mixed): Likewise.
663 (*fop_df_1_sse): Likewise.
665 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
666 J"orn Rennecke <joern.rennecke@st.com>
668 PR tree-optimization/17506
669 * tree-ssa.c (warn_uninit): If warning about a location outside of
670 the current function, note where the variable was declared.
672 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
674 PR tree-optimization/28411
675 * double-int.c (double_int_div): Use double_int_divmod.
676 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
677 double_int_mod, double_int_smod, double_int_umod): New functions.
678 * double-int.h (double_int_divmod, double_int_sdivmod,
679 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
681 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
683 (get_computation_aff, get_computation_cost_at): Handle double_int
684 return type of constant_multiple_of.
686 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
689 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
690 an implicit conversion.
692 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
694 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
696 2006-08-27 Roger Sayle <roger@eyesopen.com>
698 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
701 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
703 * config/i386/crtfastmath.c: Fix a comment typo.
705 2006-08-26 Roger Sayle <roger@eyesopen.com>
707 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
708 temporary visit flags on CASE_LABEL_EXPRs.
709 * c-common.c (match_case_to_enum): Add function comment. Avoid
710 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
711 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
712 CASE_HIGH_SEEN for enumerated types. If the switch expression is
713 a constant, only warn if that constant value isn't handled.
715 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
718 * input.h (restore_input_file_stack): Declare.
719 (INPUT_FILE_STACK_BITS): Define.
720 * toplev.c (fs_p, input_file_stack_history,
721 input_file_stack_restored, restore_input_file_stack): New.
722 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
723 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
724 (pop_srcloc): Don't free old state of stack.
726 2006-08-26 David Edelsohn <edelsohn@gnu.org>
729 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
730 (PowerPC Type Attributes): New.
732 2006-08-26 Bob Wilson <bob.wilson@acm.org>
734 * config/xtensa/xtensa.c (function_arg_boundary): New.
735 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
737 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
738 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
740 2006-08-26 Jakub Jelinek <jakub@redhat.com>
743 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
746 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
748 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
749 (verify_local_live_at_start): Likewise.
751 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
754 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
755 omp_add_variable): Treat sizes as variable whenever not
758 2006-08-26 Richard Guenther <rguenther@suse.de>
761 * fold-const.c (fold_binary): Fold temporary to correct
762 type before constructing new comparison.
764 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
767 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
768 variable again if DECL_SEEN_IN_BIND_EXPR_P.
770 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
773 * c-decl.c (start_function): Don't try to process prototype
774 information from old declaration that isn't a function.
776 2006-08-25 Jan Hubicka <jh@suse.cz>
779 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
781 2006-08-25 Alan Modra <amodra@bigpond.net.au>
784 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
787 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
789 PR tree-optimization/16876
790 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
791 exit if PARM doesn't match VALUE.
793 2006-08-25 Bob Wilson <bob.wilson@acm.org>
795 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
796 literal_prefix directive.
797 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
798 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
799 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
801 2006-08-25 David Edelsohn <edelsohn@gnu.org>
804 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
805 predicate to general_operand. Add 0->y and I->r alternatives.
807 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
809 * doc/tm.texi: Fix a typo.
810 * predict.c: Fix comment typos.
812 2006-08-25 Nick Clifton <nickc@redhat.com>
814 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
815 assertions of "cpu" and "machine".
817 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
820 * tree-ssa-operands.c (access_can_touch_variable): Don't say
821 the access through a base which has an alias set of 0 cannot
824 2006-08-24 Bill Wendling <wendling@apple.com>
826 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
828 2006-08-24 Jan Hubicka <jh@suse.cz>
830 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
832 2006-08-24 Jan Hubicka <jh@suse.cz>
835 * cgraph.c: Fix comments.
836 (cgraph_varpool_mark_needed_node): Mark only variables not already
838 * cgraphunit.c: Update comments; include gt-cgraphunit.h
839 (cgraph_varpool_assembled_nodes_queue): New static variable.
840 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
841 (cgraph_varpool_output_debug_info): New function.
842 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
843 * Makefile.in: Add gt-cgraphunit.h
845 2006-08-24 Jan Hubicka <jh@suse.cz>
847 * predict.c (probability_reliable_p): New predicate.
848 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
849 (predict_loops): Do not predict loop exit with less than 2%
851 * basic-block.h (edge_probability_reliable_p,
852 br_prob_note_reliable_p): Declare.
853 * ia64.h (ia64_print_operand): Do not disable on-chip branch
854 prediction when static predictor is not reliable.
855 * rs6000.c (output_cbranch): Likewise.
857 2006-08-23 Stuart Hastings <stuart@apple.com>
860 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
861 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
863 2006-08-21 Geoffrey Keating <geoffk@apple.com>
866 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
867 complex values, nor for generic vector values.
869 2006-08-22 Richard Guenther <rguenther@suse.de>
872 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
873 parameter. Convert arguments to arithmetic expression to the
875 (analyze_scalar_evolution_1): Adjust caller.
877 2006-08-22 Jan Hubicka <jh@suse.cz>
879 Patch by Paolo Bonzini
880 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
883 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
885 PR tree-optimization/28003
886 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
887 before grouping aliases.
889 2006-08-22 Roger Sayle <roger@eyesopen.com>
891 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
892 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
894 2006-08-21 Jason Merrill <jason@redhat.com>
897 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
898 wrapper. Loop to handle nested wrappers.
899 (gimplify_bind_expr): Remove temp parameter.
900 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
901 and STATEMENT_LIST on the rhs.
902 (gimplify_statement_list): Voidify the STATEMENT_LIST.
903 (gimplify_expr): Pass pre_p to gimplify_statement_list.
904 (gimplify_target_expr): Remove special BIND_EXPR handling.
906 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
908 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
911 2006-08-21 Olivier Hainque <hainque@adacore.com>
913 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
914 Arrange for the temporary captures of components overlapping the lhs
915 to happen before the lhs is possibly cleared.
917 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
919 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
920 necessary places to pass the correct "number of registers" values
923 2006-08-20 Jan Hubicka <jh@suse.cz>
925 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
926 (create_name_tags): Instead of quadratic checking use hashtable.
927 * bitmap.h: Include hashtab.h.
928 (bitmap_hash): Declare.
929 * bitmap.c (bitmap_hash): New function.
931 2006-08-20 Jan Hubicka <jh@suse.cz>
933 PR rtl-optimization/28071
934 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
936 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
937 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
938 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
939 cgraph_decide_inlining_incrementally): Update use of
940 cgraph_check_inline_limits.
941 * cgraph.c (edge_hash, edge_eq): New function.
942 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
943 cgraph_edge_remove_caller, cgraph_node_remove_callees,
944 cgraph_remove_node): Maintain call site hash.
945 * cgraph.h (struct cgraph_node): Add call_site_hash.
946 (cgraph_set_call_stmt): New function.
948 2006-08-20 Jan Hubicka <jh@suse.cz>
950 PR rtl-optimization/28071
951 * reload1.c (reg_has_output_reload): Turn into regset.
952 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
953 choose_reload_regs, emit_reload_insns): Update to new
954 reg_has_output_reload.
956 2006-08-20 Jan Hubicka <jh@suse.cz>
959 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
961 * cgraphunit.c (cgraph_analyze_function): Don't do so.
963 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
966 * tree.c (handle_dll_attribute): Return early if not a
967 var or function decl.
969 2006-08-18 Joseph Myers <joseph@codesourcery.com>
972 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
973 alignment of SPE vector types.
975 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
977 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
979 2006-08-17 Jakub Jelinek <jakub@redhat.com>
982 * cgraph.h (struct cgraph_node): Remove externally_visible
984 * cgraphunit.c (process_function_and_variable_attributes): Set
985 local.externally_visible rather than externally_visible.
988 * c-common.c (handle_externally_visible_attribute): First look
989 at TREE_CODE and only if it is function or var decl, check for
990 non-public objects. Don't warn for DECL_EXTERNAL.
991 * cgraphunit.c (process_function_and_variable_attributes): Warn
992 if externally_visible attribute is used on non-public object.
994 2006-08-17 Jan Hubicka <jh@suse.cz>
996 PR tree-optimization/27865
997 * reload1.c (forget_marked_reloads): New function.
998 (forget_old_reloads_1): When data are passed, just mark the registers
1000 (reload_as_needed): Use the new mechanizm.
1002 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1005 * reload.h (reg_equiv_alt_mem_list): New declaration.
1006 * reload1.c (reg_equiv_alt_mem_list): New definition.
1007 (reload): Initialize it and release it.
1008 (delete_output_reload): Use it.
1009 * reload.c (push_reg_equiv_alt_mem): New function.
1010 (find_reloads_toplev): Call it.
1011 (find_reloads_address, find_reloads_address_1): Likewise.
1012 (find_reloads_subreg_address): Likewise.
1014 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1016 PR rtl-optimization/28489
1017 * sched-ebb.c (begin_schedule_ready): Create basic block
1019 (advance_target_bb): Skip empty blocks.
1020 * haifa-sched.c (bb_note): Make global.
1021 * sched-int.h (bb_note): Add prototype.
1023 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1025 PR tree-optimization/27865
1026 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1028 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1029 fold_used_pointer, pointer_used_p): New functions.
1030 (analyze_scalar_evolution_1): Use fold_used_pointer.
1031 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1032 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1035 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1038 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1039 or the INTEGER_CST. Fail on a CALL_EXPR.
1040 (fold_offsetof): Pass new argument to fold_offsetof_1.
1041 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1042 operand into an INDIRECT_REF.
1043 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1045 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1047 PR gcov/profile/26570
1048 * value-prof.c (static_values): Removed.
1049 (tree_find_values_to_profile): Do not set static_values.
1050 (find_values_to_profile): Do not free static_values.
1051 * profile.c (instrument_values): Do not free the values.
1052 (branch_prob): Free the values.
1054 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1056 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1058 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1061 * c-typeck.c (build_component_ref): Combine qualifiers of
1062 structure or union and field.
1064 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1066 PR rtl-optimization/28071
1067 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1068 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1069 * tree-into-ssa.c (struct dom_dfsnum): New.
1070 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1072 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1073 compute_global_livein.
1074 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1075 in phi nodes in the correct blocks.
1077 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1079 PR tree-optimization/28364
1080 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1082 (fold_affine_expr): New function.
1083 (may_eliminate_iv): Use fold_affine_expr.
1085 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1088 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1091 2006-08-16 Mike Stump <mrs@apple.com>
1093 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1094 * doc/cppopts.texi (-MD): Likewise.
1096 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1099 * c-common.c (handle_weak_attribute): Ignore and warn if
1100 not a FUNCTION_ or VAR_DECL.
1102 2006-07-15 Mike Stump <mrs@apple.com>
1105 * c-parser.c (c_parser_typeof_specifier): Don't use
1106 c_finish_expr_stmt, open code desired semantics instead.
1108 2006-08-15 Nick Clifton <nickc@redhat.com>
1110 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1111 fragment to tmake_file only if threads are enabled.
1112 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1113 * config/i386/t-gthr-win32: New file. ... here.
1115 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1118 * c-parser.c (c_parser_compound_statement_nostart): Reset
1119 parser->error after each statement.
1121 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1124 * omp-low.c (lower_omp_parallel): Convert t to
1125 receiver_decl's type.
1126 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1127 source before comparison.
1130 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1131 to itype in assignment to oldival2.
1133 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1137 * c-typeck.c (build_compound_expr): If the second expression
1138 is an error mark, then just return an error mark instead of
1139 creating a COMPOUND_EXPR.
1141 2006-07-14 Mike Stump <mrs@apple.com>
1143 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1145 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1147 * c-decl.c, var-tracking.c: Fix comment typos.
1149 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1151 PR rtl-optimization/28634
1152 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1153 for floating-point modes unless flag_unsafe_math_optimizations.
1155 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1156 Andrew Pinski <pinskia@physics.uc.edu>
1159 * tree.c (build_array_type): Unify array types with
1160 unspecified index_type.
1161 * c-decl.c (grokdeclarator): Make sure we do not modify a
1162 unified incomplete array type.
1163 * c-typeck.c (store_init_value): Create distinct type before
1164 filling in the index type in an initializer from a compound
1167 * c-decl.c (grokdeclarator): Remove code where we copy the
1170 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1172 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1173 into account for TODO_dump_cgraph.
1174 (TODO_update_ssa_no_phi): Likewise.
1175 (TODO_update_ssa_full_phi): Likewise.
1176 (TODO_update_ssa_only_virtuals): Likewise.
1177 (TODO_remove_unused_locals): Likewise.
1178 (TODO_set_props): Likewise.
1179 (TODO_update_stmt_usage): Likewise.
1181 2006-08-13 Dirk Mueller <dmueller@suse.de>
1183 * c-common.c (strict_aliasing_warning): Fix formatting.
1185 2006-08-13 Matthias Klose <doko@debian.org>
1187 * doc/invoke.texi: Fix spelling errors.
1189 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1191 PR rtl-optimization/23454
1192 * reorg.c (relax_delay_slots): Update comment.
1194 2006-08-11 Richard Guenther <rguenther@suse.de>
1197 * simplify-rtx.c (simplify_const_relational_operation):
1198 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1201 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1203 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1204 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1206 2006-08-10 Paul Brook <paul@codesourcery.com>
1208 * final.c (final_scan_insn): Clear current_insn_predicate before
1209 outputting inline asm.
1211 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1213 PR tree-optimization/26197
1214 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1215 get_ref_base_and_extent and overlap_subvar to add only relevant
1216 subvars as may-aliases.
1217 (add_may_alias_for_new_tag): New function, factored out of
1219 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1220 with additional argument.
1221 * tree-flow.h (new_type_alias): Takes additional argument.
1223 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1225 * gcov.c (no_data_file): New flag.
1226 (read_count_file): Set it if data file not present. Assume counts
1228 (output_lines): Don't name the data file, if there wasn't one.
1230 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1232 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1233 (rs6000_generate_compare): Tweak comments.
1234 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1236 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1238 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1239 (var_debug_decl): New function.
1240 (var_reg_set): Follow debug decl link. Add location even if
1241 reg is already known to hold some other variable.
1242 (var_mem_set): Follow debug decl link.
1243 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1244 decl link. Delete other known locations of the variable part
1246 (var_reg_delete, var_mem_delete): Delete other known locations
1247 of the variable part if requested.
1248 (same_variable_part_p): New function.
1249 (add_stores): Select MO_COPY when appropriate.
1250 (vt_initialize): Handle it.
1251 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1252 known locations for MO_SET and MO_CLOBBER.
1253 (find_variable_location_part): New function.
1254 (set_variable_part, delete_variable_part): Use it.
1255 (clobber_variable_part): New function.
1256 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1259 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1261 PR tree-optimization/26969
1262 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1263 with an empty list of PHIs.
1265 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1269 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1272 2006-08-06 Andreas Schwab <schwab@suse.de>
1274 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1275 string. Whitespace and comment fixup.
1277 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1280 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1284 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1287 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1289 2006-08-04 Jan Hubicka <jh@suse.cz>
1293 * reload.c (push_reload): Patch out the mismatching instruction;
1295 (find_reload): Bail out if the instruction was patched out.
1297 2006-08-04 Jan Hubicka <jh@suse.cz>
1299 PR tree-optimization/24888
1300 * tree-inline.c (expand_call_inline): Do not re-record variables.
1301 (declare_inline_vars): Add variable to unexpanded_var_list.
1303 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1304 Roger Sayle <roger@eyesopen.com>
1306 PR rtl-optimization/26244
1307 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1308 inner_const are negative or greater than or equal to the bitsize of
1309 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1310 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1311 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1312 CONST0_RTX (mode) when the new shift count is greater than or equal to
1313 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1316 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1318 * tree-cfg.c: Fix a comment typo.
1320 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1323 * varasm.c (output_constant): Give the front end another chance to
1324 expand constants, after stripping NOPs.
1326 2006-08-03 Jan Hubicka <jh@suse.cz>
1328 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1331 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1333 PR tree-optimization/27770
1334 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1335 declaration removed (moved to tree-flow.h).
1336 (vect_can_force_dr_alignment_p): Likewise.
1337 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1338 (moved from tree-vectorizer.h).
1339 (vect_can_force_dr_alignment_p): Likewise.
1340 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1341 from outside the vectorizer - in particular from cgraph stage.
1342 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1343 the alignment of global arrays when -fsection-anchors is enabled.
1344 * cgraphunit.c (cgraph_increase_alignment): New function.
1345 (cgraph_optimize): Call cgraph_increase_alignment.
1347 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1350 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1351 not reload a SPE symbol_ref into a lo_sum address.
1353 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1356 * dwarf2out.c (prune_unused_types_prune): Move call to
1357 prune_unused_types_update_strings to cover the parent DIE also.
1359 2006-08-02 Jan Hubicka <jh@suse.cz>
1361 PR gcov/profile/28480
1362 * tree-cfg.c (change_bb_for_stmt): New function.
1363 (tree_merge_blocks, tree_split_blocks): Use it.
1365 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1371 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1372 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1373 (cgraph_optimize): Likewise.
1375 2006-08-01 Stuart Hastings <stuart@apple.com>
1377 * rtl.h (UINTVAL) New.
1378 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1379 * testsuite/gcc.dg/20060801-1.c: New.
1381 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1384 * c-typeck.c (build_external_type): Mark used enum types.
1385 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1387 (gen_subprogram_die): Whitespace fix.
1389 2006-08-01 Jan Hubicka <jh@suse.cz>
1391 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1392 bitmap when not needed.
1393 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1396 2006-08-01 Dirk Mueller <dmueller@suse.de>
1398 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1400 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1402 * Makefile.in: Revert part of previous patch:
1403 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1406 2006-07-30 Eric Christopher <echristo@apple.com>
1409 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1410 (PowerPC Variable Attributes): New section.
1412 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1414 PR target/28126 (partial fix)
1415 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1417 2006-07-28 Jan Hubicka <jh@suse.cz>
1419 PR rtl-optimization/28071
1420 * cfgrtl.c (rtl_delete_block): Free regsets.
1421 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1423 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1425 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1426 and variables used in dependencies.
1428 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1430 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1431 %fs for -mcmodel=kernel.
1432 (stack_tls_protect_test_di): Likewise.
1434 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1436 * Makefile.in: Use mkinstalldirs.
1438 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1441 * opts-common.c (prune_options): Skip joined switches.
1443 2006-07-27 Jan Hubicka <jh@suse.cz>
1445 PR rtl-optimization/28071
1446 * cselib.c (cselib_process_insn): Don't remove useless values too
1447 often for very large hashtables.
1449 2006-07-27 Jan Hubicka <jh@suse.cz>
1451 PR rtl-optimization/28071
1452 * global.c (greg_obstack): New obstack.
1453 (allocate_bb_info): Use it.
1454 (free_bb_info): Likewise.
1455 (modify_reg_pav): Likewise.
1457 2006-07-27 Roger Sayle <roger@eyesopen.com>
1459 * builtins.c (fold_fixed_mathfn): When long and long long are the
1460 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1461 functions to their lceil*, lfloor*, lround* and lrint* forms.
1463 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1466 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1468 (rev_branch_insn): Likewise.
1470 2006-07-27 Jan Hubicka <jh@suse.cz>
1472 PR rtl-optimization/28071
1473 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1474 (reg_set_in_bb, max_reg_computed): New static variables.
1475 (regmove_optimize): Free the new array.
1476 (fixup_match_1): Update call of reg_is_remote_constant_p.
1478 2006-07-26 Jan Hubicka <jh@suse.cz>
1480 PR tree-optimization/27882
1481 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1483 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1485 (cgraph_analyze_compilation_unit): Likewise.
1486 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1487 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1488 (cgraph_early_inlinine): Make order garbage collected.
1489 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1491 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1493 * dbxout.c (output_types_sort): Add a comment.
1494 (output_used_types): Free the VEC.
1496 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1498 * function.c (reorder_fix_fragments): Delete.
1499 (reorder_blocks): Don't call it.
1500 (reorder_blocks_1): Put all subblocks under the origin block.
1502 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1504 PR rtl-optimization/27907
1505 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1508 2006-07-25 Roger Sayle <roger@eyesopen.com>
1511 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1512 bar(x) check that bar's result type can represent all the values of T.
1514 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1516 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1518 2006-07-25 Nick Clifton <nickc@redhat.com>
1520 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1521 size_lookup[] array.
1522 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1523 (ggc_pch_count_object): Likewise.
1524 (ggc_pch_alloc_object): Likewise.
1525 (ggc_pch_write_object): Likewise.
1526 (init_ggc): Do not attempt to initialize entries in the
1527 size_lookup[] array for objects whose size is greater than than
1528 the length of the array.
1530 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1532 * dbxout.c (output_used_types_helper): Push queued types
1534 (output_types_sort): New.
1535 (output_used_types): Collect used types on a VEC and sort them
1538 2006-07-24 Richard Guenther <rguenther@suse.de>
1541 * cgraph.c (cgraph_remove_node): Do not check if dumps
1543 * cgraphunit.c (cgraph_optimize): Likewise.
1545 2006-07-24 Jan Hubicka <jh@suse.cz>
1547 PR rtl-optimization/28071
1548 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1549 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1550 splitting before first stmt.
1552 2006-07-24 Jan Hubicka <jh@suse.cz>
1554 PR rtl-optimization/28071
1555 * ipa-inline.c (update_caller_keys): Remove edges that
1556 are no longer inline candidates.
1558 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1561 * dbxout.c (output_used_types_helper, output_used_types): New.
1562 (dbxout_symbol): Call output_used_types.
1564 2006-07-23 Jan Hubicka <jh@suse.cz>
1568 * cgraph.c (cgraph_varpool_nodes): Export.
1569 (decide_is_variable_needed): Ignored "used" attribute in
1570 unit-at-a-time mode.
1571 * cgraph.h (cgraph_varpool_nodes): Declare.
1572 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1573 unit-at-a-time mode.
1575 2006-07-23 Roger Sayle <roger@eyesopen.com>
1578 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1579 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1580 the __gthrw form of thr_keycreate.
1581 (__gthread_key_delete): Silence the unused argument warning.
1583 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1586 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1587 Cache the last found '\0' marker to avoid quadratic behavior.
1589 2006-07-23 Jan Hubicka <jh@suse.cz>
1591 * i386.md (subsi_3_zext): Fix output template.
1593 2006-07-21 Mike Stump <mrs@apple.com>
1595 * doc/invoke.texi (C++ Dialect Options): Note that
1596 -fvisibility-inlines-hidden doesn't affect explicitly
1597 instantiationed inline methods.
1599 2006-07-20 Roger Sayle <roger@eyesopen.com>
1601 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1602 if the target assembler is GNU binutils' gas.
1603 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1604 whether to pass GNU gas or native as command line options.
1606 2006-07-20 Jason Merrill <jason@redhat.com>
1608 * tree.c (remove_attribute): New fn.
1609 * tree.h: Declare it.
1611 2006-07-20 Paul Brook <paul@codesourcery.com>
1614 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1615 they are invalidated by this instruction.
1617 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1620 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1622 2006-07-20 Eric Christopher <echristo@apple.com>
1625 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1627 2006-07-19 Eric Christopher <echristo@apple.com>
1629 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1630 Rewrite dependencies for libgcc_s.1.dylib.
1632 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1634 * except.c (duplicate_eh_regions_1): Clear next_peer.
1636 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1638 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1639 -mlongcall does not guarantee all calls will be long.
1640 * doc/extend.texi (long_call/short_call): Document that longcall
1641 does not guarantee a long call will be used.
1642 (longcall/shortcall): Likewise.
1644 2006-07-18 Roger Sayle <roger@eyesopen.com>
1647 * expmed.c (expand_shift): Additionally check that the shift_cost
1648 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1649 before implementing a LSHIFT_EXPR as a sequence of additions.
1650 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1651 middle-end that DImode shifts need to be synthesized by expand.
1653 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1656 * tree-ssa-operands.c (access_can_touch_variable): Update
1658 Return true if ALIAS is .GLOBAL_VAR.
1660 2006-07-18 David Daney <ddaney@avtrex.com>
1662 * gcc.c (display_help): Fix typo in help text.
1664 2006-07-18 Olivier Hainque <hainque@adacore.com>
1666 * tree.h (categorize_ctor_elements): Adjust prototype and add
1667 descriptive comment, both in accordance with the interface change
1669 * varasm.c (constructor_static_from_elts_p): New function.
1670 Whether a constructor node is a valid static constant initializer
1671 if all its elements are.
1672 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1673 * output.h: Declare it.
1674 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1675 is a valid constant initializer instead of computing the number of
1676 non-constant elements. Use constructor_static_from_elts_p for this
1677 purpose. Replace the head comment with an indication that this is a
1678 helper for categorize_ctor_elements.
1679 (categorize_ctor_elements): Same interface change as for the _1
1680 helper. Former head comment from this helper moved here, adjusted to
1681 account for the interface changes.
1682 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1683 (all_zeros_p): Likewise.
1684 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1685 static versions of the constructor from the categorize_ctor_elements
1686 return value instead of the formerly computed number of non-constant
1689 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1691 * configure: Regenerate.
1692 * Makefile.in (build_libsubdir): New configure substitution
1693 (build_libobjdir): New variable.
1694 (BUILD_LIBIBERTY): Use it.
1696 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1699 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1701 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1704 * c-common.c (handle_weakref_attribute): Ignore attribute in
1705 the same conditions the alias attribute is ignored.
1707 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1709 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1710 (dbxout_begin_prologue): Increment scope_labelno.
1712 2006-07-17 Richard Henderson <rth@redhat.com>
1715 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1718 2006-07-17 Roger Sayle <roger@eyesopen.com>
1719 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1721 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1722 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1723 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1724 functions such as sbrk, write, etc.. Add function prototypes.
1725 Convert function declarations from K&R to ISO C. Cast pointers
1726 to "long" and "unsigned long" instead of "int" and "unsigned int".
1727 Convert tokens following #endif into comments.
1729 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1731 * invoke.texi: Remove mention of f77; Reformat table for
1732 inline parameter options correctly; mention that -malign-double
1733 is default on x86-64 targets.
1735 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1737 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1738 (convert_affine_scev, chrec_convert_aggressive): Use
1739 avoid_arithmetics_in_type_p. Do not check for the subtypes
1742 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1745 * optabs.c (expand_doubleword_shift): Wrap the call to
1746 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1748 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1751 * optabs.c (expand_binop): Pass next_methods rather than methods
1752 to expand_doubleword_shift.
1754 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1757 * tree.h (dump_addr): Declare.
1758 * print-tree.c (dump_addr): New function.
1759 (print_node_brief, print_node): Use it.
1760 * print-rtl.c (print_rtx): Likewise.
1761 * common.opt (-fdump-noaddr): New option.
1762 * doc/invoke.texi (-fdump-noaddr): Document.
1763 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1764 (ve_info_hash): Likewise.
1766 2006-07-13 Andrew Haley <aph@redhat.com>
1768 PR tree-optimization/19505
1769 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1770 edge leaving this block, make sure that the destination of this
1771 block has only one predecessor.
1773 2006-07-17 Richard Guenther <rguenther@suse.de>
1775 PR tree-optimization/28238
1776 * tree-inline.c (copy_bb): Check if we produced valid
1777 gimple copying and substituting a stmt. If not, gimplify
1780 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1782 * optabs.c (maybe_encapsulate_block): New function extracted from...
1783 (emit_libcall_block): ...here. Invoke it on the block of insns to
1784 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1785 (emit_no_conflict_block): Likewise.
1787 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1789 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1791 2006-07-15 Roger Sayle <roger@eyesopen.com>
1793 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1794 a new NOP_EXPR case of the switch statement.
1796 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1799 * stor-layout.c (place_field): Take the bit field with
1800 an excessive size into account in the ms-bitfiled case.
1803 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1804 the previous bit field.
1806 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1809 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1811 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1813 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1814 signal frames correctly even when the signal was installed with
1817 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1819 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1820 (dbxout_function_end): Use local label LFBB. Remove hook
1822 (dbxout_source_line): Use local label LFBB.
1823 (dbxout_block): Likewise.
1824 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1825 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1826 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1827 and DBX_OUTPUT_NFUN.
1829 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1831 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1833 2006-07-13 Jan Hubicka <jh@suse.cz>
1835 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1837 * output.h (align_variable): Declare.
1838 * varasm.c (align_variable): Export.
1839 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1840 when basic block changed.
1842 2006-07-13 Nick Clifton <nickc@redhat.com>
1844 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1845 walking the LOG_LINKS chain.
1847 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1849 * doc/invoke.texi (C++ Dialect Options): Explain difference
1850 between -fvisibility-inlines-hidden and setting hidden
1851 visibility explicitly.
1853 2006-07-12 Eric Christopher <echristo@apple.com>
1855 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1856 (stmp-lipo): Depend on libgcc.a.
1858 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1860 * tree.c: Fix a comment typo.
1862 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1864 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1866 (umulhisi3_r): Likewise.
1868 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1871 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1872 x < 19, vs wchar_t support.
1874 2006-07-12 Nick Clifton <nickc@redhat.com>
1876 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1877 instead of -isa=sh4.
1879 2006-07-12 Mike Stump <mrs@apple.com>
1881 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1883 2006-07-10 Eric Christopher <echristo@apple.com>
1885 * config/t-slibgcc-darwin: Rewrite.
1887 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1890 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1893 2006-07-08 Matthias Klose <doko@debian.org>
1895 * doc/sourcebuild.texi: Fix typo.
1897 2006-07-07 Mike Stump <mrs@apple.com>
1899 * toplev.c (process_options): Don't give -ffunction-sections may
1900 affect debugging warning for Mach-O.
1902 2006-07-07 James E Wilson <wilson@specifix.com>
1904 * config/mips/mips.md (cpu): Add sb1a.
1905 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1906 addition to sb1. Adjust comments to clarify SB-1A differences from
1908 (ir_sb1a_load): New. Modify bypasses to use it.
1909 (ir_sb1a_simple_alu): Likewise.
1910 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1911 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1912 (mips_issue_rate): Add PROCESSOR_SB1A.
1913 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1914 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1915 (TARGET_SB1): Add PROCESSOR_SB1A check.
1916 (TUNE_SB1): Likewise.
1918 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1919 * config/mips/mips.c (mips_store_data_bypass_p): New.
1920 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1921 store_data_bypass_p.
1923 2006-07-08 Paul Brook <paul@codesourcery.com>
1926 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1928 2006-07-07 Richard Guenther <rguenther@suse.de>
1931 * tree.h (build_one_cst): Declare.
1932 * tree.c (build_one_cst): New function.
1933 * tree-ssa-math-opts.c (get_constant_one): Remove.
1934 (insert_reciprocals): Use build_one_cst.
1935 * fold-const.c (fold_plusminus_mult): Likewise.
1937 2006-07-07 Roger Sayle <roger@eyesopen.com>
1939 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1940 * cfgloopanal.c (dump_graph): Likewise.
1941 * dojump.c (discard_pending_stack_adjust): Likewise.
1942 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1944 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1945 * function.c (finalize_block_changes): Likewise.
1946 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1947 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1948 * rtl.c (dump_rtx_statistics): Likewise.
1949 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1951 * varray.c (dump_varray_statistics): Likewise.
1952 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1953 decode_decimal64, encode_decimal128, decode_decimal128,
1954 decimal_real_to_decimal): Likewise.
1956 2006-07-07 Richard Guenther <rguenther@suse.de>
1958 PR tree-optimization/28187
1959 * tree-vrp.c (vrp_operand_equal_p): New function.
1960 (vrp_bitmap_equal_p): Likewise.
1961 (update_value_range): Use them to compare old and new
1964 2006-07-06 Roger Sayle <roger@eyesopen.com>
1966 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1967 a default case to switch statement to silence compiler warnings.
1969 2006-07-06 Roger Sayle <roger@eyesopen.com>
1972 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1973 the configured assembler supports the x87's ffreep mnemonic.
1974 * configure: Regenerate.
1975 * config.in: Regenerate.
1977 * config/i386/i386.c (output_387_ffreep): New function.
1978 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1979 (output_387_reg_move): Likewise.
1981 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1983 Port to hosts whose 'sort' and 'tail' implementations
1984 treat operands with leading '+' as file names, as POSIX
1985 has required since 2001. However, make sure the code still
1986 works on pre-POSIX hosts.
1987 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1988 which says you should use "tail -c +N" rather than "tail +Nc".
1989 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1991 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1993 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1996 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1999 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2000 PRE_{INC,DEC} of TFmode.
2002 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2003 Alan Modra <amodra@bigpond.net.au>
2006 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2009 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2012 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2013 Remove duplicate gtu.
2015 2006-07-05 Jason Merrill <jason@redhat.com>
2019 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2020 * c-common.c (handle_packed_attribute): So don't copy it here.
2021 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2023 2006-07-05 Mike Stump <mrs@apple.com>
2025 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2027 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2030 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2032 2006-07-05 Richard Guenther <rguenther@suse.de>
2035 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2036 TARGET_SSE2 targets if using SSE math.
2037 (*absdf2_1): Likewise.
2039 2006-07-05 Richard Guenther <rguenther@suse.de>
2041 PR tree-optimization/28162
2042 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2043 make sure to convert the operands to the correct type.
2045 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2047 PR tree-optimization/28218
2049 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2050 to calculate and free the dominator information.
2052 2006-07-04 Peter O'Gorman <peter@pogma.com>
2054 * mklibgcc.in: chmod 644 before ranlib during install.
2056 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2057 J"orn Rennecke <joern.rennecke@st.com>
2059 * configure.ac (.eh_frame data check): Use diff -b.
2061 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2064 * Makefile.in (BUILD_RTL): Add build/vec.o.
2065 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2066 (build/genextract): Delete.
2067 (build/genautomata): Likewise.
2069 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2072 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2073 128-bit IBM long doubles for ABI_V4.
2075 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2077 * tree.c (range_in_array_bounds_p): New predicate.
2078 * tree.h (range_in_array_bounds_p): Declare it.
2079 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2080 return a less conservative answer.
2081 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2082 and flag 'is_group'.
2083 (IS_ELEMENT_FOR_GROUP): New macro.
2084 (FOR_EACH_ACTUAL_CHILD): Likewise.
2085 (next_child_for_group): New helper function.
2086 (can_completely_scalarize_p): Take into account groups.
2087 (sra_hash_tree): Handle RANGE_EXPR.
2088 (sra_elt_eq): Likewise.
2089 (lookup_element): Be prepared for handling groups.
2090 (is_valid_const_index): Delete.
2091 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2092 instead of is_valid_const_index.
2093 <ARRAY_RANGE_REF>: New case.
2094 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2095 is_valid_const_index.
2096 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2097 (scan_dump): Dump info for groups too.
2098 (decide_instantiation_1): Likewise.
2099 (decide_block_copy): Assert that the element is not a group.
2100 Propagate decision to groups.
2101 (generate_one_element_ref): Handle RANGE_EXPR.
2102 (mark_no_warning): Iterate over actual childs.
2103 (generate_copy_inout): Likewise.
2104 (generate_element_copy): Likewise.
2105 (generate_element_zero): Likewise.
2106 (generate_element_init_1): Likewise.
2107 (dump_sra_elt_name): Handle RANGE_EXPR.
2109 2006-07-03 Roger Sayle <roger@eyesopen.com>
2111 PR tree-optimization/26251
2112 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2113 (thread_block): When optimizing for size refuse to thread jumps
2114 that would require duplication of blocks other than redirection
2117 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2119 * configure.ac: Fix thinko in previous check-in.
2120 * configure: Regenerate.
2122 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2125 * configure.ac (for lang...): Simplify nesting of conditionals.
2126 Test subdir_requires for non-enabled languages. Move processing
2127 of lang_opt_files and lang_tree_fiels below that test.
2128 * configure: Regenerate.
2129 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2131 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2133 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2135 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2137 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2140 2006-06-29 Jason Merrill <jason@redhat.com>
2147 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2148 * c-common.c (c_determine_visibility): Handle it here.
2149 * c-decl.c (finish_decl): Call c_determine_visibility for
2151 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2153 * varasm.c (default_assemble_visibility): Likewise.
2154 * c-common.c (handle_visibility_attribute): Complain about trying
2155 to give visibility to an already defined class, or trying to change
2156 declared visibility. Always attach the attribute.
2161 * attribs.c (decl_attributes): Ignore type-in-place attributes
2162 once the type has been defined.
2164 2006-06-29 Roger Sayle <roger@eyesopen.com>
2167 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2168 to indicate the cpplib has issued an error message for us.
2170 2006-06-29 Asher Langton <langton2@llnl.gov>
2173 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2174 insert a label at the end of an function under Mach-O.
2176 2006-06-29 Eric Christopher <echristo@apple.com>
2177 Evan Cheng <evan.cheng@apple.com>
2179 * predicates.md (vector_all_ones_operand): New.
2180 (nonimmediate_or_sse_const_operand): Ditto.
2181 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2182 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2183 (standard_sse_mode_p): Ditto.
2184 (standard_sse_constant_p): Add case for -1 vector.
2185 (ix86_expand_vector_move): Try to use.
2186 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2187 Call standard_sse_constant_opcode.
2188 (*movv4sf_internal): Ditto.
2189 (*movv2df_internal): Ditto.
2191 2006-06-29 Roger Sayle <roger@eyesopen.com>
2193 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2194 of XEXP to extract the operands of a MATCH_CODE rtx.
2196 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2198 * tree.c (tree_size): Do not waste tail padding in
2199 struct tree_string and make the size be the same as
2200 build_string will generate.
2202 2006-06-28 Jason Merrill <jason@redhat.com>
2205 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2206 may_aliases already in the tag's annotations to the bitmap.
2208 2006-06-28 Roger Sayle <roger@eyesopen.com>
2210 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2212 2006-06-28 Roger Sayle <roger@eyesopen.com>
2214 * genpreds.c (generate_switch_p): New function.
2215 (add_mode_tests): Push the new mode test down inside an AND expr
2216 if this allows the switch-suitable MATCH_CODE to be near the root.
2217 (write_match_code_switch): New function to write a MATCH_CODE as
2219 (write_predicate_stmts): New function to write a predicate RTX
2220 expression as a sequence of statements.
2221 (write_one_predicate_function): Use write_predicate_stmts.
2222 (write_tm_constrs_h): Likewise.
2224 2006-06-26 Fred Fish <fnf@specifix.com>
2226 * config/mips/t-sb1: New file.
2227 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2230 2006-06-26 DJ Delorie <dj@redhat.com>
2232 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2234 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2235 Jayant Sonar <jayants@kpitcummins.com>
2236 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2238 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2239 (subsi3, subsi3_1, subsi3_2): New.
2240 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2241 * config/m32c/mov.md (SI mov peephole): New.
2242 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2243 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2245 2006-06-26 Olivier Hainque <hainque@adacore.com>
2247 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2248 a CALL_EXPR target function declaration.
2250 2006-06-26 Richard Guenther <rguenther@suse.de>
2252 * tree.c (build_string): Do not waste tail padding in
2255 2006-06-26 Richard Guenther <rguenther@suse.de>
2257 * ggc-page.c (init_ggc): Add missing element to size_lookup
2261 2006-06-23 Richard Guenther <rguenther@suse.de>
2263 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2264 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2265 alignment requests instead. Add verification code.
2266 Add struct tree_function_decl and struct tree_binfo size to
2267 extra_order_size_table. Add missing element to size_lookup
2270 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2273 * fold-const.c (const_binop): Be prepared for self returning zero.
2274 Simplify code handling complex values.
2276 2006-06-24 Olivier Hainque <hainque@adacore.com>
2278 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2279 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2282 2006-06-24 Olivier Hainque <hainque@adacore.com>
2284 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2285 ARRAY_REF, so have the callback called for the low bound expression.
2287 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2289 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2290 * c-typeck.c (c_common_type): Disallow operations on decimal float
2291 types and other float types.
2292 * convert.c (convert_to_real): Don't ignore conversions involving
2293 decimal float types.
2295 2006-06-23 Olivier Hainque <hainque@adacore.com>
2297 * tree.c (max_int_size_in_bytes): New function, inspired from
2298 code in function.c:assign_temp.
2299 * tree.h (max_int_size_in_bytes): Declare.
2300 * function.c (assign_temp): Use it.
2301 * gimplify.c (create_tmp_var): Relax the assertions on the type
2302 properties, not mandating constant size any more.
2303 (force_constant_size): New static function.
2304 (gimple_add_tmp_var): Use it, forcing variable size to a
2305 constant upper bound if it is not constant on entry.
2307 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2310 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2311 for initialization and setting of one_only flag to ...
2312 (i386_pe_encode_section_info): ...here.
2313 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2314 Recheck that the symbol has not been defined.
2316 2006-06-23 Richard Guenther <rguenther@suse.de>
2318 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2319 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2320 alignment requests instead. Add verification code.
2321 Add struct tree_function_decl and struct tree_binfo size to
2322 extra_order_size_table. Add missing element to size_lookup
2325 2006-06-22 Roger Sayle <roger@eyesopen.com>
2326 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2329 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2330 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2332 2006-06-23 Ben Elliston <bje@au.ibm.com>
2334 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2335 negate dn -- manipulate it directly.
2337 2006-06-22 Roger Sayle <roger@eyesopen.com>
2338 Steven Bosscher <stevenb.gcc@gmail.com>
2341 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2342 generated by gen_move_insn to add REG_LABEL notes if necessary.
2344 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2346 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2347 (leaf_entry): Remove use of MIN_ESA.
2349 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2351 PR rtl-optimization/28121
2352 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2355 2006-06-21 DJ Delorie <dj@redhat.com>
2357 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2359 (mulhisi3_r): Likewise.
2361 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2364 * coverage.c (coverage_counter_alloc): Leave the index type
2366 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2369 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2371 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2372 section from the "Options for Code Generation Conventions".
2374 2006-06-21 Richard Henderson <rth@redhat.com>
2378 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2380 (global_symbolic_operand): Allow weak symbols, even if local_p.
2382 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2384 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2385 (find_interesting_uses_address): Punt if above function returns true.
2387 2006-06-21 Richard Guenther <rguenther@suse.de>
2389 * configure: Regenerated.
2391 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2393 * config/mips/mips.c (function_arg): Where one part of a
2394 complex argument is in registers and the other part in the stack,
2395 return a REG not a PARALLEL.
2397 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2399 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2400 when cross-compiling. Do not substitute libstdcxx_incdir.
2401 * configure: Regenerated.
2403 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2405 * varasm.c (mergeable_string_section): Check for embedded NULs and
2406 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2407 rather than TREE_STRING_LENGTH bytes.
2409 2006-06-21 Richard Guenther <rguenther@suse.de>
2411 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2412 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2415 2006-06-21 Richrad Guenther <rguenther@suse.de>
2417 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2418 Limit iteration over the dominators.
2420 2006-06-20 Roger Sayle <roger@eyesopen.com>
2422 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2423 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2425 2006-06-20 Richard Guenther <rguenther@suse.de>
2426 Michael Matz <matz@suse.de>
2428 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2430 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2431 * et-forest.h (et_free_pools): Prototype new function.
2432 * et-forest.c (et_free_tree_force): Free parent occurrence.
2433 (et_free_pools): New function.
2434 * dominance.c (free_dominance_info): Free et-forest alloc
2437 2006-06-20 Roger Sayle <roger@eyesopen.com>
2439 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2440 integer modes, attempt to directly construct an integer constant.
2442 * fold-const.c (native_encode_vector): Determine the size of each
2443 element from the vector type instead of the first vector element.
2445 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2446 if all of its elements/components are constant.
2447 (build_constructor_from_list): Likewise.
2449 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2451 PR tree-optimization/27331
2452 * tree-data-ref.c (free_data_ref): New function.
2453 (create_data_ref): Fail if the data reference has unknown access
2455 (free_data_refs): Use free_data_ref.
2457 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2460 * tree-inline.c (setup_one_parameter): Strip useless
2461 type conversion before adding it to the IR.
2462 (declare_return_variable): Likewise.
2464 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2467 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2469 2006-06-19 Mike Stump <mrs@apple.com>
2471 * tree.c (variably_modified_type_p): VM arguments don't make the
2474 2006-06-19 Richard Guenther <rguenther@suse.de>
2476 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2477 type conversions after folding.
2479 2006-06-19 Richard Guenther <rguenther@suse.de>
2481 * ggc-page.c (extra_order_size_tab): Add entries with
2482 size of struct function and basic_block.
2483 (size_lookup): Extend to cover sizes up to 511.
2484 (ggc_alloc_stat): Adjust user.
2485 (ggc_pch_count_object): Likewise.
2486 (ggc_pch_alloc_object): Likewise.
2487 (ggc_pch_write_object): Likewise.
2489 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2491 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2492 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2495 2006-06-19 Denis Chertykov <denisc@overta.ru>
2497 * config/avr/libgcc.S : Correct my wrong previous commit.
2499 2006-06-19 Roger Sayle <roger@eyesopen.com>
2502 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2503 have stripped a SUBREG from the shift count, so we may need to
2504 convert_to_mode back to the type's mode before calling make_tree.
2505 Use new_amount instead of amount to avoid expanding a tree twice.
2507 2006-06-19 Richard Guenther <rguenther@suse.de>
2510 * fold-const.c (operand_equal_p): Check if the argument types
2511 have the same precision before stripping NOPs.
2513 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2515 Fix PR tree-optimization/27341
2516 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2518 * tree-complex.c (pass_lower_complex): Update SMT usage.
2520 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2522 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2523 Add a new alternative to the constraint strings. Add move of
2524 operand 1 to 3 to the splitter definition.
2525 ("doloop_si_long"): Second contraint alternative removed.
2527 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2529 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2530 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2532 (AVR_HAVE_MOVW) Define.
2533 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2534 (ASM_SPEC): Add avr25.
2535 (LINK_SPEC): Add avr25.
2536 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2537 (base_arch_s): Add new member 'have_movw_lpmx'.
2538 (avr_arch_types): Init 'have_movw_lpmx'.
2539 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2540 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2541 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2542 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2543 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2545 (avr_file_start): Do not output '.arh' derective.
2546 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2547 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2548 * config/avr/avr.md (mcu_enhanced): Delete.
2549 (mcu_have_movw): Define.
2550 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2551 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2552 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2553 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2554 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2555 attiny861 and at86rf401 devices.
2557 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2559 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2562 2006-06-17 Karl Berry <karl@gnu.org>
2564 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2565 doc/gccint.texi, doc/install.texi (@dircategory): Use
2566 "Software development" instead of "Programming", following
2567 the Free Software Directory.
2569 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2571 * config/i386/i386.c (legitimate_tls_address)
2572 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2573 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2574 (*tls_dynamic_gnu2_combine_64): Likewise.
2576 2006-06-16 Richard Guenther <rguenther@suse.de>
2579 * fold-const.c (negate_expr_p): Do not introduce undefined
2580 overflow in negating INTEGER_CSTs.
2581 (fold_negate_expr): Rename from negate_expr. Revert last
2582 change for folding BIT_NOT_EXPR. Change semantics to
2583 return NULL_TREE for non-simplified negations. Do not
2584 strip type conversions and unify type handling.
2585 (negate_expr): New function, wrap around fold_negate_expr
2586 but ensure building a tree always. Strip type conversions
2587 here, fold to result type.
2588 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2590 2006-06-16 Roger Sayle <roger@eyesopen.com>
2593 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2594 that (would) return their results in stack registers.
2596 2006-06-16 Michael Matz <matz@suse.de>
2597 Richard Guenther <rguenther@suse.de>
2599 * fold-const.c (fold_truthop): Only return new tree node if
2600 we canonicalized something.
2602 2006-06-16 Richard Guenther <rguenther@suse.de>
2604 * function.h (enum function_frequency): Move declaration
2605 out of struct function.
2606 (struct function): Move bool fields and the enum to the bitfield
2607 section. Reorder elements to avoid padding. Remove unused
2608 fields left over from the RTL inliner removal.
2609 * function.c (free_after_compilation): Do not zero removed fields.
2610 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2611 (ipa-type-escape.o): Likewise.
2613 2006-06-16 Richard Guenther <rguenther@suse.de>
2615 * cgraph.h (struct cgraph_local_info): Turn bool elements
2617 (struct cgraph_node): Likewise.
2618 (struct cgraph_varpool_node): Likewise.
2620 2006-06-15 Richard Guenther <rguenther@suse.de>
2622 * fold-const.c (fold_truth_not_expr): Rename from
2623 invert_truthvalue. Give it fold_* semantics to avoid
2625 (invert_truthvalue): New function. Wrapper around
2626 fold_truth_not_expr.
2627 (optimize_minmax_comparison): Avoid creating garbage.
2628 (fold_unary): Use fold_truth_not_expr for folding
2630 (fold_ternary): Replace uses of invert_truthvalue with
2631 fold_truth_not_expr where applicable.
2632 * tree.h (fold_truth_not_expr): Prototype.
2634 2006-06-16 Richard Guenther <rguenther@suse.de>
2636 PR tree-optimization/27781
2637 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2638 * ipa-pure-const.c (target.h): Include.
2639 (analyze_function): Do not analyze functions that do not
2642 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2645 * tree-dfa.c (referenced_vars_dup_list): Remove.
2646 (find_referenced_vars): Remove assert.
2647 (referenced_var_check_and_insert): Replace dup list with assert.
2648 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2649 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2651 2006-06-15 Richard Guenther <rguenther@suse.de>
2653 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2654 extra unused identifiers if not dumping.
2655 (create_variable_info_for): Likewise.
2657 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2659 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2660 (derive_constant_upper_bound): Derive more precise upper bound in
2661 common cases. Return type changed to double_int.
2662 (record_estimate): Reflect the changed return type of
2663 derive_constant_upper_bound.
2664 * double-int.c (double_int_zext, double_int_sext): Fix.
2666 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2668 * configure.ac (CFLAGS): Get them from the toplevel or from the
2669 configure invocation.
2670 * configure: Regenerate.
2671 * Makefile.in (CFLAGS): Substitute value provided by configure.
2673 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2676 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2677 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2678 rather than calling add_stmt on it.
2679 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2681 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2684 * reload1.c (reload): Remove registers returned by update_eliminables
2685 from used_spill_regs.
2687 2006-06-13 DJ Delorie <dj@redhat.com>
2689 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2691 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2693 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2694 html__strip_dir, html__mkdir_p. Enhance install-html target.
2695 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2696 * configure: Regenerate.
2698 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2700 * fold-const.c (fold_cond_expr_with_comparison): Check for
2701 Objective-C++ as language in deciding COND_EXPR transformation.
2703 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2706 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2707 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2708 * config/sh/lib1funcs.h (SL, SL1): Define.
2709 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2710 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2711 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2712 (OBJS_Os_4_200): New variable.
2713 ($(T)libgcc-Os-4-200.a): Use it.
2714 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2715 when dividing 1 and/or by 0.
2717 2006-06-13 Roger Sayle <roger@eyesopen.com>
2719 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2720 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2721 * configure: Regenerate.
2723 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2725 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2726 for real instruction.
2728 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2731 * haifa-sched.c (check_cfg): Handle special case.
2733 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2736 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2737 Add debug_info parameter. Chain the vars to the BLOCK instead
2738 of the BIND_EXPR if debug info are requested for them.
2739 (pop_gimplify_context): Adjust for above change.
2740 (gimple_add_tmp_var): Likewise.
2741 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2743 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2744 (convert_local_reference): Likewise.
2745 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2746 (finalize_nesting_tree_1): Request that debug info be emitted
2747 for debug_var_chain.
2749 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2751 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2752 for PR target/27863.
2754 2006-06-13 Richard Guenther <rguenther@suse.de>
2757 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2759 2006-06-13 Richard Guenther <rguenther@suse.de>
2761 PR tree-optimization/27830
2762 * tree-inline.c (copy_body_r): For copying the operand
2763 of an ADDR_EXPR make sure to fold &* afterwards.
2765 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2767 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2768 lvalues in the fb_none case with side-effects.
2770 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2772 * tree-flow.h: Remove the prototype for
2773 compute_phi_arg_on_exit.
2774 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2775 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2778 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2780 * builtins.c (expand_builtin_return_addr): Only use
2781 frame_pointer_rtx when count == 0 and we are expanding
2782 __builtin_return_address.
2784 2006-06-12 Fred Fish <fnf@specifix.com>
2786 * config/mips/mips.c (mips_file_start): Create special section
2787 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2789 2006-06-11 Eric Christopher <echristo@apple.com>
2792 * stor-layout.c (place_field): Remove check for
2793 remaining_in_alignment when aligning at the end of a run.
2795 2006-06-11 Eric Christopher <echristo@apple.com>
2798 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2801 2006-06-11 Roger Sayle <roger@eyesopen.com>
2804 Revert incorrect fix for PR target/27158
2805 2006-05-08 Roger Sayle <roger@eyesopen.com>
2806 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2807 of a reg_equiv_constant if the result is a legitimate constant.
2809 2006-06-11 Roger Sayle <roger@eyesopen.com>
2812 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2813 extract a CONST_VECTOR element and interpret it as an integer.
2814 (vspltis_constant): Use const_vector_elt_as_int instead of the
2815 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2816 * config/rs6000/predicates.md (easy_vector_const): Consider
2817 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2819 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2822 * stor-layout.c (update_alignment_for_field): Don't add extra
2823 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2826 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2828 * config/mips/t-rtems: Add EL/EB multilib variants.
2830 2006-06-09 Mike Stump <mrs@apple.com>
2832 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2834 2006-06-09 David Daney <ddaney@avtrex.com>
2836 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2838 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2840 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2842 2006-06-09 Richard Guenther <rguenther@suse.de>
2844 PR tree-optimization/26998
2845 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2846 of signed types, only TYPE_MIN_VALUE is special, but for both,
2847 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2848 in this case, as is -fwrapv.
2850 2006-06-08 Mike Stump <mrs@apple.com>
2853 * config/darwin.c (darwin_asm_output_anchor): Disable
2854 -fsection-anchors on darwin for now.
2855 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2856 * rs6000/rs6000.c (optimization_options): Likewise.
2858 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2861 * config/i386/i386.c (classify_argument): Skip fields with invalid
2864 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2866 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2867 (cse_insn): Likewise for the stack_pointer_rtx.
2869 2006-06-08 Roger Sayle <roger@eyesopen.com>
2871 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2872 conditions from floating point comparisons.
2874 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2877 * expmed.c (struct alg_hash_entry): Fix type of field T
2878 to match synth_mult argument.
2879 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2881 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2884 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2887 2006-06-08 Richard Guenther <rguenther@suse.de>
2890 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2891 only, if overflow is defined and not trapping.
2892 (negate_expr): Likewise.
2894 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2896 PR tree-optimization/27872
2897 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2898 flag on the new exit edge of the unrolled loop.
2900 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2902 PR rtl-optimization/26449
2903 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2905 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2908 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2909 referenced_variables with matching DECL_UID's.
2910 (find_referenced_vars): Make sure duplicate list is empty to start.
2911 (referenced_var_p): Remove.
2912 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2913 Check if var is in the list, and add if needed. Update the duplicate
2914 list if a different var is in the list with the same DECL_UID.
2915 (add_referenced_var): Call routine to check and insert.
2916 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2917 * tree-flow.h (referenced_vars_dup_list): External declaration.
2919 2006-06-07 Fred Fish <fnf@specifix.com>
2921 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2924 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2927 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2928 the imaginary and real parts of a clobbered register.
2929 Emit insn to set the imaginary part.
2931 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2933 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2934 in lieu of unwind-dw2-fde.c.
2936 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2938 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2940 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2943 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2944 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2945 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2946 V4SImode temporaries and operations instead.
2948 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2950 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2953 2006-06-06 Mike Stump <mrs@apple.com>
2955 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2956 installing during build.
2958 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2960 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2962 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2963 * config/ia64/ia64.c (params.h): New header.
2964 (ia64_optimization_options): New function to adjust parameters.
2965 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2966 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2967 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2969 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2971 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2973 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2976 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2978 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2979 Victor Kaplansky <victork@il.ibm.com>
2981 PR tree-optimization/26360
2982 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2985 2006-06-04 Roger Sayle <roger@eyesopen.com>
2986 Andrew Pinski <pinskia@physics.uc.edu>
2989 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2990 for LABEL_DECL before calling DECL_WEAK.
2993 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2994 LABEL_DECL and PARM_DECL.
2996 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3000 * c-decl.c (grokdeclarator): Disallow variably modified types at
3001 file scope. Avoid marking shared array type of constant size as
3004 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3007 * c-common.c (fold_offsetof_1): Handle static members.
3009 2006-06-04 Eric Christopher <echristo@apple.com>
3011 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3012 (debug_rli): Output value for remaining_in_alignment.
3013 (update_alignment_for_field): Unconditionalize
3014 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3015 extra alignment code.
3016 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3017 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3018 * tree.h (record_layout_info_s): Remove prev_packed.
3019 * doc/extend.texi (ms_struct): Add documentation of format.
3021 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3023 * tree.h: Declare folding_initializer.
3024 * builtins.c (fold_builtin_constant_p): Give definite answer
3025 if folding inside an initializer.
3026 * fold-const.c: Define folding_initializer.
3027 (START_FOLD_INIT): Save and then set folding_initializer.
3028 (END_FOLD_INIT): Restore folding_initializer.
3030 2006-06-04 Richard Guenther <rguenther@suse.de>
3032 PR tree-optimization/27039
3033 * fold-const.c (fold_comparison): Handle pointer comparison
3034 again for all comparison codes. Compare offsets in signed
3036 (fold_binary): Move code from here.
3038 2006-06-03 Roger Sayle <roger@eyesopen.com>
3041 * config/i386/i386.c (construct_container): Split static issued_error
3042 flag into issued_sse_arg_error, issued_sse_ret_error and
3043 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3044 requires the use of x87 registers and the user explicitly
3045 specified the -mno-80387 command line option.
3047 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3049 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3050 HAVE_DECL_SIGALTSTACK.
3052 (segv_handler): Use MC_FLD.
3053 * configure.ac: Check for a sigaltstack declaration.
3054 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3055 * configure: Regenerate.
3056 * config.in: Regenerate.
3058 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3061 * Makefile.in (stmp-fixinc): Fix typo.
3063 2006-06-02 Roger Sayle <roger@eyesopen.com>
3065 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3066 are type correct. Clean-up.
3067 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3068 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3070 2006-06-01 DJ Delorie <dj@redhat.com>
3072 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3073 shift, as we've disabled the "switch" insn that needs it.
3075 2006-06-01 Per Bothner <bothner@bothner.com>
3077 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3078 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3079 * c-ppoutput.c (cb_define): Don't increment line 0.
3081 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3083 * doc/invoke.texi: Add cpu_type power6.
3084 * config.gcc: Add cpu_type power6.
3085 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3086 to power5+ with Altivec.
3087 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3088 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3090 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3092 * config/avr/avr.h (SET_ASM_OP): Define.
3094 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3096 * config/bfin/bfin.c: Fix comment typos.
3098 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3101 * doc/install.texi: Document --enable-bootstrap and
3102 --disable-bootstrap.
3104 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3106 * doc/install.texi: Document that InfoZIP can replace jar.
3108 2006-05-31 Roger Sayle <roger@eyesopen.com>
3110 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3111 isn't available, directly generate the simpler x87 patterns without
3112 the (use (const_int 0)).
3113 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3114 implementation isn't available.
3115 (*negdf2_1): Likewise.
3116 (*negxf2_1): XF mode negation is always done using the x87.
3117 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3119 2006-05-31 Roger Sayle <roger@eyesopen.com>
3121 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3122 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3124 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3126 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3128 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3129 * config/bfin/bfin.c (basic-block.h): Include.
3130 (struct machine_function): New.
3131 (bfin_init_machine_status): New.
3132 (override_options): Initialize init_machine_status.
3133 (bfin_hardware_loop): New.
3134 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3135 (DEF_VEC_P (loop_info)): New.
3136 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3137 (struct loop_info): New.
3138 (loop_info): New typedef.
3139 (struct loop_work): New.
3140 (loop_work): New typedef.
3141 (DEF_VEC_O (loop_work)): New.
3142 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3143 (bfin_dump_loops): New.
3144 (bfin_bb_in_loop): New.
3145 (bfin_scan_loop): New.
3146 (bfin_optimize_loop): New.
3147 (bfin_reorg_loops): New.
3148 (bfin_reorg): Use bfin_reorg_loops.
3149 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3151 (I_REGNO_P): Simplify.
3152 (DP_REGNO_P, DPREG_P): New macros.
3153 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3154 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3155 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3156 Add LT_REGS, LC_REGS, LB_REGS.
3157 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3159 (REGNO_REG_CLASS): Deal with loop registers.
3160 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3162 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3163 New constants for loop registers.
3164 (UNSPEC_LSETUP_END): New.
3165 (seq_insns): New define_attr. Set it for appropriate insns.
3166 (movsi_insn): Add alternatives for move from/to
3167 loop count registers.
3168 (doloop_end): New define_expand.
3169 (loop_end): New define_insn.
3170 (define_split for bad doloop_end): New.
3171 (lsetup_with_autoinit): New define_insn.
3172 (lsetup_without_autoinit): New define_insn.
3173 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3174 * config/bfin/predicates.md (lc_register_operand): New.
3175 (lt_register_operand): New.
3176 (lb_register_operand): New.
3177 (nondp_register_operand): New.
3178 (nondp_reg_or_memory_operand): New.
3179 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3181 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3183 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3184 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3186 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3188 * Makefile.in (CATALOGS): Add po/ prefix.
3189 * configure: Regenerated.
3191 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3194 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3195 a shift operand before calling shift_op. Avoid redundant call of
3198 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3199 DJ Delorie <dj@redhat.com>
3201 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3202 we're inserting is a singlt-bit constant.
3204 2006-05-30 Roger Sayle <roger@eyesopen.com>
3206 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3207 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3209 2006-05-30 Roger Sayle <roger@eyesopen.com>
3211 PR tree-optimization/23452
3212 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3213 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3214 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3215 complex values and with -ffast-math for FP complex values.
3217 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3219 * c-common.h: Remove the prototype for yyparse.
3220 * rtl.h: Remove the prototype for init_loop.
3222 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3224 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3227 2006-05-30 Roger Sayle <roger@eyesopen.com>
3229 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3231 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3232 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3234 2006-05-30 Dirk Mueller <dmueller@suse.de>
3237 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3238 for CONSTANT_CLASS_P expresisons.
3240 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3243 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3245 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3247 PR tree-optimization/27779
3248 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3249 initial_condition instead of CHREC_LEFT.
3251 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3253 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3254 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3255 Make prototypes ISO C90.
3257 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3258 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3260 * see.c (see_analyze_one_def): Correct check.
3261 (see_get_extension_data): Check if extension is parallel.
3262 (see_get_extension_reg): Likewise.
3264 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3267 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3268 into register for (code == GTU).
3270 2006-05-29 Roger Sayle <roger@eyesopen.com>
3272 PR tree-optimization/24964
3273 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3274 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3275 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3276 abs(x)*abs(x) as x*x for scalar floating point modes.
3278 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3281 * lambda-code.c (perfect_nestify): Don't copy statements
3282 in the inner loop: move them to the inner loop header.
3284 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3287 * c-tree.texi: Document OpenMP directives and clauses.
3289 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3291 * varasm.c (globalize_decl): Fix indentation.
3293 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3296 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3297 pass_fre, pass_store_ccp, pass_copy_prop,
3298 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3299 pass_return_slot, pass_object_size, pass_lim,
3300 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3301 pass_loop_prefetch and pass_stdarg.
3303 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3305 * config/bfin/bfin.opt (mfdpic): New option.
3306 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3307 (EXTRA_MULTILIB_PARTS): Likewise.
3308 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3309 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3311 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3312 (CRT_CALL_STATIC_FUNCTION): New.
3313 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3315 (CRT_CALL_STATIC_FUNCTION): New.
3316 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3318 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3319 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3320 (initialize_trampoline): Changed to handle FD-PIC code generation.
3321 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3322 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3323 (override_options): Disallow -mid-shared-library -mfdpic combination.
3324 Can't do unaligned ops if FD-PIC.
3325 Turn off flag_pic if trying to generate non-id-shared-library
3326 non-fdpic code, since it's not supported.
3327 (bfin_assemble_integer): New function.
3328 (TARGET_ASM_INTEGER): Define.
3329 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3331 * config/bfin/crtn.s: Restore them.
3332 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3334 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3335 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3336 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3337 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3338 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3340 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3341 FDPIC_REGS and FDPIC_FPTR_REGS.
3342 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3343 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3344 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3345 (load_funcdescsi): New pattern.
3346 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3347 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3348 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3350 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3352 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3355 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3357 * tree-flow.h: Remove the prototype for add_type_alias.
3358 * tree-ssa-alias.c (add_type_alias): Remove.
3360 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3362 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3363 config/fr30/fr30.md, config/i386/i386-interix.h,
3364 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3365 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3366 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3367 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3368 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3369 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3370 Follow spelling conventions.
3371 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3372 Follow spelling conventions.
3374 2006-05-27 Richard Guenther <rguenther@suse.de>
3377 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3378 to produce a constant of value 1 of generic type.
3380 2006-05-27 Dirk Mueller <dmueller@suse.de>
3382 * cgraphunit.c (decide_is_function_needed): Fix wrong
3385 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3387 PR rtl-optimization/27661
3388 * reload.c (find_reloads): When reloading a VOIDmode constant
3389 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3390 use Pmode as mode of the reload register.
3392 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3394 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3395 is enabled at -O and above.
3397 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3400 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3403 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3406 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3407 for anonymous variables explicitly declared by front ends.
3409 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3411 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3412 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3413 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3414 ref-all pointers, run a finalization pass for them.
3415 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3416 (finalize_ref_all_pointers): New function.
3417 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3418 regular pointer type to a ref-all pointer type.
3419 (get_tmt_for): Return the special memory tag for ref-all pointers.
3421 2006-05-25 Richard Guenther <rguenther@suse.de>
3424 * fold-const.c (fold_binary): Do not look at the stripped
3425 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3427 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3429 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3430 for LT and GT if the computed range is effectively empty.
3432 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3435 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3436 mips_quad_format formats instead of ieee_single_format,
3437 ieee_double_format and ieee_quad_format formats, respectively.
3439 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3441 PR tree-optimization/27639
3442 PR tree-optimization/26719
3443 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3444 call to scev_probably_wraps_p.
3445 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3446 used_in_pointer_arithmetic_p, convert_step): Removed.
3447 (nowrap_type_p): New function.
3448 (scev_probably_wraps_p): Rewritten.
3449 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3450 chrec_convert if chrec_convert_aggressive might have been used.
3451 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3452 scev_direction): New functions.
3453 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3454 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3455 instead of convert_step.
3456 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3457 (convert_step): Declaration removed.
3458 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3460 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3462 * df-core.c: Added to header comments.
3463 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3464 df_ur_bb_info, df_urec_bb_info): Added comments.
3465 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3466 urec, ri problems): Fixed header comments.
3467 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3468 code from df_rd_transfer_function.
3470 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3472 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3473 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3474 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3476 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3478 * expr.c (undefined_operand_subword_p): New.
3479 (emit_move_multi_word): Do not generate move from undefined bits
3480 of a paradoxical subreg.
3482 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3484 PR rtl-optimization/27736
3485 * combine.c (replaced_rhs_value): New variable.
3486 (combine_instructions): Set it.
3487 (distribute_notes): When distributing a note in replaced_rhs_insn,
3488 check whether the value was used in replaced_rhs_value.
3490 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3493 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3494 add_referenced_var instead of add_referenced_tmp_var.
3495 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3496 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3498 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3499 tree_optimize_tail_calls_1): Use add_referenced_var.
3500 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3501 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3502 Use add_referenced_var.
3503 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3504 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3505 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3506 Use add_referenced_var.
3507 * tree-dfa.c (struct walk_state): Remove.
3508 (find_referenced_vars): Remove walk state and vars_found hash table.
3509 (make_rename_temp): Use add_referenced_var.
3510 (find_vars_r): Pass less parameters to add_referenced_var.
3511 (referenced_var_p): New. Is var in referenced_var hash table.
3512 (referenced_var_insert): Assert var isn't already in hash table.
3513 (add_referenced_var): Don't need walk_state parameter. Add var if it
3514 isn't already in the hash table.
3515 (add_referenced_tmp_var): Remove.
3516 (find_new_referenced_vars_1): Use add_referenced_var.
3517 * tree-ssa-pre.c (create_expression_by_pieces,
3518 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3519 Use add_referenced_var.
3520 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3521 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3522 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3524 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3525 vect_create_data_ref_ptr, vect_create_destination_var,
3526 vect_init_vector, vect_build_loop_niters,
3527 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3528 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3529 Use add_referenced_var.
3530 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3531 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3532 (add_referenced_var): Add prototype.
3533 * tree-ssa-structalias.c (get_constraint_for,
3534 intra_create_variable_infos): Use add_referenced_var.
3536 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3538 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3539 big-endian paradoxical subregs.
3540 * var-tracking.c (struct micro_operation_def): Document that,
3541 for modify micro operations, insn is the subsequent instruction.
3542 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3543 (var_reg_set, var_mem_set): ... new functions.
3544 (add_stores): Record subsequent insn.
3545 (compute_bb_dataflow): Use new functions for MO_USE.
3546 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3547 notes after the insn, and modify notes before the insn known
3548 to be the subsequent one.
3549 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3551 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3554 * config/i386/i386.c (ix86_expand_builtin): Use
3555 gen_sse3_monitor64 for TARGET_64BIT.
3557 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3559 PR rtl-optimization/26375
3560 PR rtl-optimization/26855
3561 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3563 (df_ru_bb_local_compute): Reversed statements and removed bogus
3564 comment explaining why they should be in wrong order.
3565 (df_ru_dump, df_rd_dump): Enhanced debug info.
3566 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3568 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3569 reaching uses and fixed space problem.
3571 2006-05-23 Jan Hubicka <jh@suse.cz>
3573 * cgraphunit.c (decide_is_function_needed): Also nested functions
3574 and functions declared inline can be optimized out at -O0.
3576 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3578 * doc/install.texi (Configuration): Remove reference to CrossGCC
3582 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3585 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3586 ix86_compare_emitted is non-NULL.
3588 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3591 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3594 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3596 PR rtl-optimization/25514
3597 * combine.c (replaced_rhs_insn): New variable.
3598 (combine_instructions): Set replaced_rhs_insn when trying to replace
3599 a SET_SRC with a REG_EQUAL note.
3600 (distribute_notes): Use replaced_rhs_insn when determining the live
3601 range of a REG_DEAD register.
3603 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3604 Anatoly Sokolov <aesok@post.ru>
3606 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3607 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3608 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3609 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3610 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3611 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3612 at90usb647, at90usb1286 and at90usb1287 devices.
3613 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3614 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3616 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3618 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3620 2006-05-22 Richard Guenther <rguenther@suse.de>
3623 2006-01-31 Richard Guenther <rguenther@suse.de>
3624 Paolo Bonzini <bonzini@gnu.org>
3626 * doc/install.texi (--disable-libgcc-math): Document.
3628 2006-05-22 Richard Guenther <rguenther@suse.de>
3631 2006-01-31 Richard Guenther <rguenther@suse.de>
3633 * doc/invoke.texi (-msselibm): Document.
3634 * target.h (expand_library_builtin): New target hook.
3635 * builtins.c (expand_builtin): Use expand_library_builtin.
3636 (default_expand_library_builtin): New function.
3637 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3638 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3639 (link_gcc_math_spec): Declare.
3640 (static_specs): Add link_gcc_math_spec.
3641 * expr.h (default_expand_library_builtin): Declare.
3642 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3643 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3644 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3645 * config/i386/i386.opt (msselibm): New target option.
3646 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3647 (ix86_init_sse_abi_builtins): New function.
3648 (ix86_expand_library_builtin): Likewise.
3649 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3650 (override_options): Handle error conditions wrt -msselibm.
3651 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3652 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3653 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3656 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3659 * c-common.c (self_promoting_args_p): Skip erroneous args.
3662 * c-decl.c (finish_struct): Skip erroneous fields.
3664 2006-05-22 Nick Clifton <nickc@redhat.com>
3666 * config/cris/cris.opt (march): Remove VarExists attribute.
3667 (max-stackframe=): Likewise.
3669 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3671 * doc/rtl.texi: Fix a typo.
3672 * see.c: Fix comment typos.
3674 * tree-ssa-structalias.h (alias_info): Remove num_references.
3676 2006-05-21 Mike Stump <mrs@apple.com>
3678 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3680 (darwin_pragma_options): Use BAD instead.
3681 (darwin_pragma_unused): Likewise.
3682 (darwin_pragma_ms_struct): Likewise.
3684 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3686 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3688 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3690 PR rtl-optimization/27671
3691 * simplify-rtx.c (simplify_relational_operation_1): Fix
3692 simplifications of (eq/ne (xor x y) y) and
3693 (eq/ne (xor x y) x).
3695 PR tree-optimization/26622.
3696 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3699 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3701 * tree-cfg.c: Prune whitespace.
3702 (debug_tree_cfg): Point to correct header containing the
3705 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3708 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3710 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3713 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3714 or sorry count is non zero.
3716 2006-05-20 Andreas Schwab <schwab@suse.de>
3718 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3720 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3721 Kenneth Zadeck <zadeck@naturalbridge.com>
3723 PR rtl-optimization/26855
3725 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3727 (df_scan_alloc): Added code to properly handle multiword hard
3728 registers and add all_blocks parameter.
3729 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3730 code to properly handle multiword hard registers.
3731 (df_rescan_blocks): Added code to remove deleted blocks from
3733 (df_ref_create_structure, df_ref_record): Added code to properly
3735 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3736 and set DF_REF_PARTIAL.
3737 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3738 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3739 (df_scan_add_problem): Added flags parameter.
3740 (df_ref_create_structure): Changed switching structure.
3741 (df_bb_refs_record): Fixed case where duplicate artificial refs
3742 were created. Changed location of flags.
3743 (df_record_entry_block_defs): Added code to make stack pointer
3744 live in entry block. Refined cases where frame pointer is needed.
3745 Changed location of flags.
3746 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3747 (df_set_state): Removed function.
3748 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3749 df_insn_create_insn_record, df_insn_refs_delete,
3750 df_ref_create_structure): Formatting changes.
3751 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3752 df_delete_basic_block): New function.
3753 (df_init): Changed location of flags.
3754 (df_add_problem): Added flags parameter and the way flags are
3756 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3757 debug_df_chain): Improved debugging output.
3758 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3759 (df_refs_chain_dump): Removed df parameter.
3760 (df_iterative_dataflow): Added consistency check.
3761 (df_prune_to_subcfg): Made public.
3762 (df_analyze_problem): Added blocks_to_init parameter and made
3764 (df_ref_record, df_bb_refs_record, df_mark_reg,
3765 df_record_exit_block_uses): Whitespace changes.
3766 (df_dump): Whitespace changes.
3767 * df.h: Some reordering to remove forward references.
3768 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3769 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3770 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3771 (dataflow.flags): New field.
3772 (df.flag): Deleted field.
3773 (df_alloc_function): Added additional bitmap parameter.
3774 (df_dependent_problem_function): New type.
3775 (df_problem.changeable_flags): New field.
3776 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3777 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3778 (df_mw_hardreg): New struct.
3779 (DF_INSN_UID_MWS): New macro.
3780 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3782 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3783 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3784 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3785 (df_set_state): Removed function.
3786 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3787 * df-problems.c (df_chain_dump): Removed df parameter.
3788 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3789 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3791 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3792 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3793 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3794 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3795 DF_REF_MUST_CLOBBER cases.
3796 (df_ru_bb_local_compute_process_def,
3797 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3798 df_lr_bb_local_compute, df_ur_bb_local_compute,
3799 df_chain_create_bb): Made subreg aware.
3800 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3801 df_lr_bb_local_compute, df_lr_bb_local_compute,
3802 df_chain_create_bb): Cleanup to use proper macros.
3803 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3804 code to fixup bitvectors.
3805 (df_ri_alloc): Cleared lifetime.
3806 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3807 df_create_unused_note): New function.
3808 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3809 REG_DEAD and REG_UNUSED notes as well as register information.
3810 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3811 df_chains_dump): Fixed crash if problem was never run.
3812 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3813 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3814 df_ri_add_problem): Processes flags in uniform manner.
3815 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3816 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3817 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3818 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3819 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3820 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3821 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3822 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3823 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3824 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3825 * see.c (see_initialize_data): Ditto.
3826 * final.c (rest_of_clean_state) Added regstack_completed.
3827 * rtl.h (regstack_completed): Ditto.
3828 * reg-stack.c (regstack_completed): Ditto.
3830 2006-05-19 Mike Stump <mrs@apple.com>
3832 * c-tree.h (default_conversion): Remove.
3833 * c-common.h (default_conversion): Add.
3835 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3837 * tree-vrp.c (valid_value_p): New function.
3838 (adjust_range_with_scev): Fail if the value of bound is not
3841 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3843 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3844 (mips_fallback_frame_state): Use syscall numbers to determine
3845 the appropriate li instruction for the current ABI. Only use
3846 __NR_sigreturn for o32.
3848 2006-05-19 Nicolas Setton <setton@adacore.com>
3850 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3851 * langhooks.c (lhd_dwarf_name): New function.
3852 * langhooks-def.h (lhd_dwarf_name): Declare.
3853 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3854 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3855 * ada/misc.c (gnat_dwarf_name): New function.
3856 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3858 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3860 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3862 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3863 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3864 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3865 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3866 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3867 determine the size of Wtype, etc.
3868 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3869 (swfloatfuncs): New variable.
3870 (dwfloatfuncs): Likewise.
3871 (lib2funcs): Remove floating-point conversion functions from
3872 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3873 the set of conversion routines needed. Allow entries to specify
3874 an object name, filename and word size. Update users accordingly.
3875 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3876 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3880 2006-02-08 Roger Sayle <roger@eyesopen.com>
3883 * config/fixtfdi.c: New libgcc source file.
3884 * config/fixunstfdi.c: New source file.
3885 * config/floatditf.c: New source file.
3886 * config/floatunditf.c: New souce file.
3887 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3888 files above instead of config/mips/_tilib.c.
3889 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3891 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3893 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3894 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3896 2006-05-18 Mike Stump <mrs@apple.com>
3898 Fix up vla, vm and [*] sematics.
3904 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3905 (c_vla_unspec_p): Add.
3906 (c_vla_type_p): Add.
3907 * c-decl.c (struct c_scope): Add had_vla_unspec.
3908 (build_array_declarator): Add support for [*].
3909 (grokdeclarator): Likewise.
3910 (grokparms): Likewise.
3911 (get_parm_info): Likewise.
3912 * c-objc-common.c (c_vla_unspec_p): Likewise.
3913 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3914 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3915 typeof when argument is a variably modified type not inside sizeof or alignof.
3916 (c_parser_direct_declarator_inner): Propagate errors.
3917 (c_parser_sizeof_expression): Add support for [*].
3918 (c_parser_parms_declarator): Initialize had_vla_unspec.
3919 (c_parser_parms_list_declarator): Likewise.
3920 * c-typeck.c (c_vla_type_p): Add.
3921 (composite_type): Add support for vla compositing.
3922 (comptypes_internal): Add support for vla compatibility.
3923 (c_expr_sizeof_expr): Evaluate vla arguments.
3924 * tree.c (variably_modified_type_p): Update comment for [*].
3926 2006-05-18 Michael Matz <matz@suse.de>
3929 * config.host: Make assignments to host_xmake_file cumulative.
3930 * config.host (*-darwin*): Test $host, not $target.
3932 2006-05-12 Stuart Hastings <stuart@apple.com>
3934 * config/i386/i386.opt (-mstackrealign): New flag.
3935 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3936 (ix86_handle_cconv_attribute): Emit error when
3937 force_align_arg_pointer attribute collides with too many regparms.
3938 (ix86_function_regparm): Limit regparms when used with
3939 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3940 Support stack-realigning prologue in non-main functions. Emit
3941 warning for nested functions under -mstackrealign, emit error for
3942 nested functions with force_align_arg_pointer attribute.
3943 * doc/extend.texi (force_align_arg_pointer): Document it.
3944 * doc/invoke.texi (-mstackrealign): Document it.
3946 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3948 PR rtl-optimization/27477
3949 * combine.c (try_combine): Don't split a parallel consisting
3950 of two sets into two individual sets if both sets reference
3953 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3955 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3956 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3958 * doc/options.texi (VarExists): Updated.
3960 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3962 * unwind-dw2.c: Add declarations for uw_update_context and
3964 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3965 detected, advance frame state and context once to skip over stub.
3967 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3971 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3972 Call rewrite_into_loop_closed_ssa only when something changed.
3973 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3974 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3975 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3976 Test for perfect_nest_p here. Fix formating.
3977 (replace_uses_equiv_to_x_with_y): Fix formating.
3978 (stmt_uses_op): Removed.
3979 (can_convert_to_perfect_nest): Removed loopivs parameter.
3980 Complete the test by checking the scalar dependences.
3981 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3984 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3987 From Dan Kegel <dank@kegel.com>:
3988 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3990 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3992 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3993 if the element type is variably modified without recursing.
3995 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3998 * tree-loop-linear.c (try_interchange_loops): Test for
3999 no data dependences.
4001 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4003 PR tree-optimization/27548
4004 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4005 range of ssa names that appear on abnormal edges.
4006 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4007 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4009 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4012 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4014 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4017 * tree.h (OMP_PARALLEL_COMBINED): Define.
4018 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4019 (new_omp_context): Add is_combined_parallel argument.
4020 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4021 new_omp_context caller.
4022 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4023 Adjust gimplify_scan_omp_clauses callers.
4024 (omp_is_private): Issue errors if iteration variable is firstprivate
4025 or reduction in the current context.
4026 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4027 on combined parallel workshare constructs.
4029 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4031 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4032 (gcc-options.o): New rule.
4034 * optc-gen.awk: Protect variables for gcc-options.o with
4035 #ifdef GCC_DRIVER/#endif.
4037 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4039 Fix PR tree-optimization/27373
4040 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4041 (forward_propagate_addr_expr): Update call.
4043 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4045 * doc/options.texi: Move the Negative option.
4047 2006-05-16 Richard Guenther <rguenther@suse.de>
4049 PR tree-optimization/22303
4050 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4052 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4053 ccp_fold did not simplify the statement.
4055 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4058 * Makefile.in (GCC_OBJS): New.
4059 (OBJS-common): Add opts-common.o.
4060 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4061 (cpp$(exeext)): Likewise.
4062 (gcc.o): Also depend on opts.h.
4063 (opts-common.o): New.
4065 * common.opt (gcoff): Add Negative(gdwarf-2).
4066 (gdwarf-2): Add Negative(gstabs).
4067 (gstabs): Add Negative(gstabs+).
4068 (gstabs+): Add Negative(gvms).
4069 (gvms): Add Negative(gxcoff).
4070 (gxcoff): Add Negative(gxcoff+).
4071 (gxcoff+): Add Negative(gcoff).
4072 * config/i386/i386.opt (m32): Add Negative(m64).
4073 (m64): Add Negative(m32).
4075 * doc/options.texi: Document the Negative option.
4077 * gcc.c: Include "opts.h".
4078 (main): Call prune_options after expandargv.
4080 * optc-gen.awk: Generate common declarations for all flag
4081 variables in options.c. Output the neg_index field.
4083 * opts.c (find_opt): Moved to ...
4084 * opts-common.c: Here. New file.
4086 * opts.h (cl_option): Add a neg_index field.
4088 (prune_options): Likewise.
4090 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4093 * omp-low.c (expand_omp_parallel): Don't assert
4094 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4095 instead search for it.
4098 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4101 2006-05-16 Andreas Schwab <schwab@suse.de>
4103 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4106 2006-05-15 Roger Sayle <roger@eyesopen.com>
4109 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4110 integer constants other than zero are only legitimate on TARGET_64BIT.
4111 <CONST_VECTOR> Only zero vectors are legitimate.
4112 (ix86_cannot_force_const_mem): Integral and vector constants can
4113 always be put in the constant pool.
4115 2006-05-16 DJ Delorie <dj@redhat.com>
4117 * crtstuff.c (__dso_handle): Set section from
4118 TARGET_LBIGCC_SDATA_SECTION if defined.
4119 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4120 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4122 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4125 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4128 2006-05-16 Ben Elliston <bje@au.ibm.com>
4130 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4132 2006-05-15 Per Bothner <per@bothner.com>
4134 * tree.c: (last_annotated_node): Use source_locus typedef.
4135 This permits bootstrapping with --enable-mapped-location.
4137 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4139 PR tree-optimization/26830
4140 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4141 (info_for_ssa_name, current_info_for_ssa_name_age,
4142 blocks_to_update): New variables.
4143 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4144 (clear_ssa_name_info, initialize_flags_in_bb,
4145 mark_block_for_update): New functions.
4146 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4147 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4148 prepare_def_site_for): Use mark_block_for_update.
4149 (mark_def_interesting): Assert that the processed block is marked in
4150 blocks_to_update. Do not take blocks argument.
4151 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4153 (rewrite_update_init_block, rewrite_update_stmt): Only process
4154 blocks with statements to rewrite.
4155 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4156 (update_ssa): Initialize and free blocks_to_update. Do not
4157 clear flags on statements. Do not use blocks bitmap.
4158 * tree.h (SSA_NAME_AUX): Removed.
4159 (struct tree_ssa_name): Removed aux field.
4160 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4162 2006-05-15 Richard Guenther <rguenther@suse.de>
4164 PR tree-optimization/27603
4165 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4166 Do computations in original type.
4168 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4170 * see.c: Code style changes such as redundant paranthesis,
4171 redundant intialization of local variables etc.
4172 (see_main): Declared now as static.
4173 * doc/invoke.texi: Update that -fsee is not enabled by
4176 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4178 * omp-low.c (check_omp_nesting_restrictions): New function.
4179 (scan_omp_1): Call it.
4182 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4183 construct, return *VAR.
4185 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4187 PR rtl-optimization/27406
4188 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4191 2006-05-14 Roger Sayle <roger@eyesopen.com>
4193 PR rtl-optimization/27538
4194 * combine.c (expand_compound_operation): Call gen_lowpart
4195 before calling simplify_shift_const.
4197 2006-05-14 Roger Sayle <roger@eyesopen.com>
4199 PR rtl-optimization/22563
4200 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4201 a fixed width bitfield, always force the intermediates into psuedos.
4203 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4206 * mkconfig.sh: Use operator = instead of == for test.
4208 2006-05-13 Nick Clifton <nickc@redhat.com>
4210 * dwarf2out.c (dbx_reg_number): Check return value from
4211 LEAF_REG_REMAP and only use it if it is valid.
4212 (multiple_reg_loc_descriptor): Likewise.
4214 2006-05-13 Richard Guenther <rguenther@suse.de>
4216 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4219 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4221 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4222 information attached to non-INSNs such as NOTEs.
4223 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4225 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4227 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4229 * config/s390/s390.md: Adjust comment describing On constraint.
4231 2006-05-11 Jan Hubicka <jh@suse.cz>
4233 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4234 to be output at -O0.
4236 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4239 * fold-const.c (size_binop): Move sanity check for arguments to
4240 the beginning of the function.
4243 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4246 2006-05-11 Richard Guenther <rguenther@suse.de>
4249 * fold-const.c (fold_unary): Handle intermediate conversion
4250 to a pointer type like intermediate conversion to an integer
4251 type in folding of (T1)(T2)var to var.
4252 Match the code to the comment in the final conversion for
4253 (T1)(T2)var to (T1)var regarding to type precision. Rather
4254 than disallow T1 being of pointer type, assert that both T1
4255 and var are of pointer type or not. Make sure not to fall
4256 over the frontends lazyness wrt array to pointer decay though.
4258 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4260 * arm.c (arm_struct_value_rtx): Delete.
4261 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4262 (arm_init_cumulative_args): Always initialize nregs to zero.
4264 2006-05-10 Richard Guenther <rguenther@suse.de>
4266 PR tree-optimization/27532
4267 * tree-object-size.c (plus_expr_object_size): Fix typo.
4269 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4272 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4273 ashrdi_const, ashrdi3): Use a scratch register.
4275 2006-05-10 Richard Guenther <rguenther@suse.de>
4277 PR tree-optimization/27302
4278 * fold-const.c (operand_equal_p): For two comparisons,
4279 try comparison of one comparison code swapped if that yields
4282 2006-05-10 Ben Elliston <bje@au.ibm.com>
4284 * tree-pretty-print.c (pretty_print_string): No need to handle
4285 '\0' as a special character.
4287 * tree.h: Include "hashtab.h".
4288 (iterative_hash_expr): Use hashval_t in its prototype.
4289 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4291 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4294 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4295 (hppa*64*-*-hpux11*): Ditto.
4296 (hppa[12]*-*-hpux11*): Ditto.
4298 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4301 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4303 2006-05-09 Michael Matz <matz@suse.de>
4305 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4306 host_extra_gcc_objs and host_xmake_file.
4307 (<*-*-linux*>): Don't overwrite host_xmake_file.
4308 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4309 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4310 (host_detect_local_cpu): Declare.
4311 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4312 * config/i386/i386.c (override_options): Handle -mtune=native
4314 * config/i386/x-i386: New file.
4315 * config/i386/driver-i386.c: New file.
4316 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4319 2006-05-09 Dirk Mueller <dmueller@suse.de>
4320 Richard Guenther <rguenther@suse.de>
4323 * fold-const.c (fold_read_from_constant_string): Relax check
4324 for matching types to matching modes.
4326 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4328 PR rtl-optimization/27335
4329 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4332 2006-05-08 Chao-ying Fu <fu@mips.com>
4333 Richard Sandiford <richard@codesourcery.com>
4335 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4336 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4337 * config/mips/mips.md (UNSPEC_SCC): New constant.
4338 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4339 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4340 (mips_emit_compare): Use it.
4341 (mips_expand_vcondv2sf): New function.
4343 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4345 Fix PR tree-optimization/27093
4346 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4347 renaming when they become not-used_alone.
4349 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4351 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4352 relocation and relocation stubs.
4354 2006-05-08 Eric Christopher <echristo@apple.com>
4356 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4359 2006-05-08 Jan Hubicka <jh@suse.cz>
4362 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4363 unused static functions are needed.
4365 2006-05-08 Roger Sayle <roger@eyesopen.com>
4368 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4369 of a reg_equiv_constant if the result is a legitimate constant.
4371 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4374 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4375 standard 80387 constants, raise the cost to prevent
4376 compress_float_constant() to generate load from memory.
4378 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4380 * config/arm/constraints.md (c): Fix a typo.
4382 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4385 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4388 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4390 (_mm_mwait): Likewise.
4392 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4394 (sse3_monitor): Make it 32bit only.
4395 (sse3_monitor64): New. 64bit monitor.
4397 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4400 * config/i386/i386.c (classify_argument): Skip fields with invalid
4403 2006-05-07 Richard Guenther <rguenther@suse.de>
4405 PR tree-optimization/27409
4406 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4407 Do not try to find zero-sized subvars.
4409 2006-05-07 Richard Guenther <rguenther@suse.de>
4411 PR tree-optimization/27136
4412 * tree-ssa-loop-niter.c (get_val_for): Correct function
4413 comment, assert requirements.
4414 (loop_niter_by_eval): Stop processing if the iterated
4415 value did not simplify.
4417 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4419 * opts.c (flag_see): remove its setting at -O3.
4421 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4423 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4424 * arm/constraints.md: New file.
4425 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4426 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4427 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4428 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4429 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4430 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4431 * arm.md: Include constraints.md.
4432 (thumb_movsi_insn): Use satisfies_constraint_J.
4433 (movhi, movqi): Use satisfies_constraint_I.
4435 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4437 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4438 for atmeg a645 device.
4440 2006-05-06 Richard Guenther <rguenther@suse.de>
4442 PR tree-optimization/27151
4443 * tree-vect-transform.c (vectorizable_condition): Punt on
4444 values that have a different type than the condition.
4446 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4449 * c-parser.c (c_parser_cast_expression): Only insert casts into
4450 hash table if pointer.
4451 * function.c (used_types_insert_helper): Rename from
4453 (used_types_insert): Call used_types_insert_helper.
4454 * function.h (used_types_insert): Accept only one argument.
4456 2006-05-05 David Edelsohn <edesohn@gnu.org>
4458 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4459 scratch with output modifier.
4461 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4464 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4465 with output modifier.
4467 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4470 * config/mips/mips.c (mips_symbolic_address_p): Return true
4471 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4472 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4474 2006-05-04 Richard Guenther <rguenther@suse.de>
4476 PR tree-optimization/14287
4477 PR tree-optimization/14844
4478 PR tree-optimization/19792
4479 PR tree-optimization/21608
4480 PR tree-optimization/27090
4481 * tree-ssa-pre.c (try_combine_conversion): New function.
4482 (compute_avail): After constructing the value-handle
4483 expression, use try_combine_conversion to combine NOP_EXPRs
4484 with previous value-handle expressions and use the result if it
4487 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4489 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4491 2006-05-04 Jan Hubicka <jh@suse.cz>
4494 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4496 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4498 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4499 that this only matches CONST_INTs. All users changed to VOIDmode
4502 * config/bfin/bfin.c: Include "optabs.h".
4503 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4505 (enum bfin_builtins): Add a number of fractional and vector builtins.
4506 (bfin_init_builtins): Likewise.
4507 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4508 (safe_vector_operand, bfin_expand_binop_builtin,
4509 bfin_expand_unop_builtin): New functions.
4510 (bfin_expand_builtin): Handle the new builtins.
4511 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4514 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4517 * Makefile.in (OBJS-common): Add see.o.
4518 (see.o): Add dependencies.
4519 * common.opt (fsee): New flag for the see optimization was added.
4520 * opts.c (flag_see): Initialized.
4521 * passes.c (init_optimization_passes, pass_see): New pass.
4522 * rtl.h (see_main): Declaration as extern.
4523 * timevar.def (TV_SEE): New.
4524 * tree-pass.h (pass_see): Declaration as extern.
4525 * invoke.texi (-fsee): Document.
4526 * recog.c (validate_simplify_insn): New function.
4527 * recog.h (validate_simplify_insn): Declaration as extern.
4528 * df-problems.c (df_chain_dump): Check for NULL.
4530 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4531 Daniel Berlin <dberlin@dberlin.org>
4533 * cfgrtl.c (insert_insn_bb_end_new): New function.
4534 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4536 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4538 * df.h (struct web_entry): Moved from web.c.
4539 (union_defs): Declaration as extern.
4540 (unionfind_root): Likewise.
4541 (unionfind_union): Likewise.
4542 * web.c (struct web_entry): Moved to df.h.
4543 (unionfind_root): Remove static declaration.
4544 (unionfind_union): Likewise.
4545 (union_defs): Likewise and generalize to use callback function.
4546 (web_main): Update arguments for union_defs function call.
4548 2006-05-04 Richard Guenther <rguenther@suse.de>
4550 PR tree-optimization/26447
4551 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4552 produce SSA_NAME copies before the store stmt to avoid
4553 breaking exception handling.
4555 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4558 * gimplify.c (omp_is_private): If var is shared in some outer context,
4559 return false instead of true. Stop searching on parallel context
4562 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4565 * coverage.c: Use get_gcov_unsigned_t() instead of
4566 unsigned_type_node all over.
4568 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4570 PR tree-optimization/27381
4571 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4572 maintain the same immediate_use links.
4573 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4574 node rather than segfaulting.
4576 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4579 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4580 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4581 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4583 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4585 Fix PR tree-optimization/26626
4586 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4588 * tree-ssa-operands.c (access_can_touch_variable): Allow
4589 typecasting through union pointers.
4591 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4594 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4595 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4596 to find if var will be a global variable even in the nested context.
4597 (omp_copy_decl): Only check for global variable at the end, it might
4598 be overridden in outer contexts.
4599 (scan_sharing_clauses): For global variables don't create a field.
4600 (lower_rec_input_clauses): Do nothing for global shared variables.
4601 Emit a barrier at the end of ILIST if there were any decls in both
4602 firstprivate and lastprivate clauses.
4603 (lower_send_clauses): Do nothing for global variables except for
4606 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4608 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4609 of the correct signedness is returned.
4611 2006-05-02 Jeff Law <law@redhat.com>
4613 PR tree-optimization/27364
4614 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4615 multiply expressions.
4617 2006-05-02 Tom Tromey <tromey@redhat.com>
4619 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4621 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4624 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4625 -mthumb -fPIC are used.
4627 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4628 Joshua Kinard <kumba@gentoo.org>
4631 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4632 with 64-bit pointers.
4634 2006-05-02 Paul Brook <paul@codesourcery.com>
4636 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4638 (create_fix_barrier): Check that a suitable barrier location is
4640 (arm_reorg): Include ftmp->address in allowable range of addresses.
4642 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4645 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4648 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4651 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4652 around RESULT_DECL for result passed by reference.
4653 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4654 * omp-low.c (use_pointer_for_field): Don't look at
4655 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4656 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4657 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4658 time or var for passing by reference for
4659 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4660 TREE_ADDRESSABLE variables when passing by reference.
4662 * omp-low.c (dump_omp_region): Fix output formatting.
4665 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4666 (expand_omp_parallel): Likewise.
4667 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4670 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4671 on statement list containing also constructors and destructors.
4672 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4675 * except.c (duplicate_eh_regions): Fix clearing of
4676 cfun->eh->region_array entries.
4678 2006-05-01 DJ Delorie <dj@redhat.com>
4680 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4682 (gcc_cv_objdump): Likewise.
4683 * configure: Regenerated.
4685 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4688 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4689 templates for case 3 and 4.
4691 2006-05-01 DJ Delorie <dj@redhat.com>
4693 * vec.c: Include bconfig.h when appropriate.
4694 * Makefile.in (build/vec.o): Adjust dependencies.
4695 * mkconfig.sh: Make sure config.h isn't used for build machine
4698 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4700 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4702 (mark_phi_for_rewrite): New function.
4703 (insert_phi_nodes_for, mark_use_interesting): Call
4704 mark_phi_for_rewrite.
4705 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4706 (update_ssa): Initialize and free phis_to_rewrite.
4708 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4710 PR rtl-optimization/27291
4711 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4712 folded to a constant.
4714 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4716 PR tree-optimization/27283
4717 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4718 not whole # of iteration descriptions.
4719 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4720 uses abnormal ssa name.
4721 (niter_for_single_dom_exit): Ditto.
4722 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4723 return just the number of iterations.
4725 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4727 PR tree-optimization/27144
4728 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4729 (record_estimate): Only record constant upper bound.
4730 (infer_loop_bounds_from_undefined): Call
4731 compute_estimated_nb_iterations just once.
4732 (proved_non_wrapping_p): Renamed to ...
4733 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4734 (convert_step_widening, scev_probably_wraps_p): Call
4735 n_of_executions_at_most instead of proved_non_wrapping_p.
4736 (substitute_in_loop_info): Do not replace values in bounds.
4737 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4740 2006-05-01 Richard Henderson <rth@redhat.com>
4743 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4744 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4747 2006-05-01 Roger Sayle <roger@eyesopen.com>
4749 * c-typeck.c (parser_build_binary_op): Don't call the function
4750 unsigned_conversion_warning to spot operand/result type overflow.
4751 (build_binary_op): Instead, call convert_and_check instead of
4752 convert to report the problem when the operands are promoted.
4753 * c-common.c (unsigned_conversion_warning): Make static.
4754 * c-common.h (unsigned_conversion_warning): Delete prototype.
4756 2006-05-01 Richard Guenther <rguenther@suse.de>
4758 PR tree-optimization/26726
4759 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4761 (find_interesting_uses_address): ... we work around here
4762 by folding INDIRECT_REFs in the substituted base.
4764 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4766 * omp-low.c (dump_omp_region): Add newlines.
4768 2006-04-30 Roger Sayle <roger@eyesopen.com>
4770 * common.opt (Woverflow): New command line option.
4771 * c-common.c (constant_expression_warning): Check warn_overflow.
4772 (overflow_waring): Pass OPT_Woverflow to warning.
4773 (unsigned_conversion_warning): Likewise.
4774 (convert_and_check): Likewise.
4775 * doc/invoke.texi: Document new command line option.
4777 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4779 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4780 TARGET_NO_FP_IN_TOC for section anchors.
4781 (optimization_options): Enable section anchors for all
4782 non-"Objective" languages.
4784 2006-04-28 Eric Christopher <echristo@apple.com>
4786 * config/darwin-c.c (darwin_ms_struct): Move this
4787 (darwin_set_default_type_attributes): and this...
4788 * config/darwin.c: ... here.
4789 * config/darwin.h (darwin_ms_struct): Declare.
4791 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4793 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4795 2006-04-28 Roger Sayle <roger@eyesopen.com>
4798 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4799 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4800 an unsigned HOST_WIDE_INT.
4801 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4803 (really_start_incremental_init): No need to call convert because
4804 bitsize_zero_node is already of type bitsizetype.
4805 (push_init_level): Extract the value of constructor_index as an
4806 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4807 (process_init_element): Likewise.
4809 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4811 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4812 value before passing to make_relative_prefix.
4814 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4817 * builtins.c (expand_builtin_memset): Expand val in original mode.
4819 2006-04-27 Eric Christopher <echristo@apple.com>
4821 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4822 with #ifndef/#endif.
4823 * config/darwin-c.c (darwin_ms_struct): New.
4824 (darwin_pragma_ms_struct): Ditto.
4825 (darwin_set_default_type_attributes): Ditto.
4826 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4827 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4828 Register ms_struct pragma.
4829 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4830 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4831 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4832 darwin_set_default_type_attributes if TARGET_MACHO.
4834 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4836 PR tree-optimization/26854
4837 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4838 * doc/tree-ssa.texi: Update immuse iterator documentation.
4839 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4840 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4841 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4842 first_safe_imm_use, next_safe_imm_use): Remove.
4843 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4844 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4845 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4846 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4847 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4848 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4849 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4850 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4851 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4852 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4853 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4854 (perfect_nestify): Use new iterator.
4855 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4857 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4858 (next_imm_name): New field in struct immediate_use_iterator_d.
4859 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4860 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4861 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4862 * tree-cfg.c (replace_uses_by): Use new iterator.
4863 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4864 * tree-ssa-operands.c (correct_use_link): Remove.
4865 (finalize_ssa_use_ops): No longer call correct_use_link.
4867 2006-04-27 Stuart Hastings <stuart@apple.com>
4869 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4870 * config/t-darwin (crt3.o): Use it.
4871 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4872 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4873 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4874 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4875 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4878 2006-04-27 Roger Sayle <roger@eyesopen.com>
4880 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4881 size, force the intermediate into a new pseudo rather instead of
4882 performing both a bitwise AND and a bitwise IOR in memory.
4884 2006-04-27 Richard Guenther <rguenther@suse.de>
4886 PR rtl-optimization/26685
4887 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4888 this one "max-flow-memory-locations".
4890 2006-04-27 Richard Guenther <rguenther@suse.de>
4892 PR tree-optimization/25148
4893 * tree-vrp.c (compare_values): Remove code dealing with
4894 comparisons against type min/max value. Honour overflow
4895 and negative constants in code dealing with comparisons
4896 of plus and minus expressions.
4897 (value_inside_range): Use fold_binary with LE_EXPR and
4898 GE_EXPR rather than compare_values.
4900 2006-04-27 Dirk Mueller <dmueller@suse.de>
4902 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4905 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4907 * basic-block.h (safe_insert_insn_on_edge): Removed.
4908 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4910 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4911 Paolo Bonzini <bonzini@gnu.org>
4914 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4915 (simplify_and_const_int): Same.
4917 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4919 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4921 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4924 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4925 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4926 cgraph_global_info_ready.
4929 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4932 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4933 either decl or init is error_mark_node.
4936 * tree-flow.h (struct omp_region): Add sched_kind.
4937 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4938 instead of extracting omp for data.
4939 (expand_omp_for): Save extracted sched_kind.
4941 2006-04-25 Roger Sayle <roger@eyesopen.com>
4943 * expmed.c (store_bit_field): Also check whether the bitsize is
4944 valid for the machine's "insv" instruction before moving the
4945 target into a pseudo for use with the insv.
4946 * config/i386/predicates.md (const8_operand): New predicate.
4947 * config/i386/i386.md (extv, extzv, insv): Use the new
4948 const8_operand predicate where appropriate.
4950 2006-04-25 DJ Delorie <dj@redhat.com>
4952 * doc/install.texi (Specific): Clarify that this is not a list of
4953 supported hosts or targets.
4955 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4957 PR rtl-optimization/26725
4958 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4959 block's BB_DIRTY flag.
4961 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4963 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4966 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4967 to print an integer.
4969 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4971 * varasm.c (align_variable): New function.
4972 (get_block_for_decl): Apply align_variable to DECL before
4973 calculating section information.
4974 (assemble_variable): Split out alignment computation.
4976 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4978 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4981 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4983 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4984 MODE_PARTIAL_INT mode.
4985 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4986 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4988 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4989 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4991 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4993 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4995 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4996 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4997 MACFLAG_IH): Likewise.
4998 (movstricthi_1): Renamed from "*movstricthi".
4999 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5000 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5001 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5002 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5003 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5004 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5005 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5006 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5007 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5008 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5009 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5010 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5011 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5012 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5013 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5015 * doc/rtl.texi (ss_ashift): Improve wording.
5017 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5019 * dwarf2out.c (verify_marks_clear): New.
5020 (prune_unused_types): Call verify_marks_clear initially, not
5023 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5025 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5026 * doc/rtl.texi: Document them.
5027 * simplify-rtx.c (simplify_unary_operation,
5028 simplify_binary_operation_1): Don't abort when we see them.
5030 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5033 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5034 * configure.ac: Completely disregard languages that are not
5036 * configure: Regenerated.
5038 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5039 Richard Guenther <rguenther@suse.de>
5041 PR tree-optimization/27236
5042 * tree-inline.c (copy_body_r): Make sure to copy
5043 TREE_THIS_VOLATILE flag.
5045 2006-04-24 Richard Guenther <rguenther@suse.de>
5048 * tree-complex.c (update_parameter_components): Don't handle
5049 unused parameters which have no default def.
5051 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5052 Richard Guenther <rguenther@suse.de>
5054 PR tree-optimization/27218
5055 * tree-inline.c (expand_call_inline): Strip useless type
5056 conversions for the return slot address.
5058 2006-04-24 Richard Guenther <rguenther@suse.de>
5060 * cfgloop.h (struct loops): Remove unused field array. Reorder
5062 (LOOP_PREFETCH): Remove.
5064 2006-04-24 Richard Guenther <rguenther@suse.de>
5066 PR tree-optimization/22525
5067 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5068 variable, adjust types of generated expressions.
5070 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5072 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5073 (tree-vect-patterns.o): Likewise.
5075 (cselib.o): Likewise.
5076 (loop-doloop.o): Likewise.
5077 (regclass.o): Likewise.
5078 (reload1.o): Likewise.
5079 (explow.o): Replace target.h with $(TARGET_H).
5080 (ipa-prop.o): Likewise.
5081 (ipa-cp.o): Likewise.
5082 (ipa-inline.o): Likewise.
5083 (reorg.o): Likewise.
5084 (reg-stack.o): Likewise.
5086 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5088 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5090 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5092 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5094 * configure.ac: Completely disregard languages that are not
5096 * configure: Regenerated.
5099 * c-common.h (c_build_bitfield_integer_type): Declare.
5100 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5101 * c-common.c (c_build_bitfield_integer_type): ... here.
5103 2006-04-23 Roger Sayle <roger@eyesopen.com>
5106 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5107 a SImode SUBREG of a floating point register after no_new_pseudos.
5109 2006-04-23 Roger Sayle <roger@eyesopen.com>
5111 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5112 identify potentially eliminable registers to additionally catch
5113 VIRTUAL_INCOMING_ARGS_REGNUM.
5114 (addsi3): Update the conditions on when to use addsi_small_int.
5116 2006-04-23 Roger Sayle <roger@eyesopen.com>
5119 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5120 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5121 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5123 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5125 * fold-const.c (range_predecessor): Use operand_equal_p
5126 as the predicate for equality.
5127 (range_successor): Likewise.
5129 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5132 * config/soft-fp/op-common.h: Fix a typo.
5134 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5137 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5138 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5140 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5142 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5144 * doc/tm.texi: Fix a typo.
5146 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5148 * dwarf2out.c (struct die_struct): Document that die_sib makes
5149 a circular linked list.
5150 (FOR_EACH_CHILD): New.
5151 (reverse_die_lists): Delete.
5152 (reverse_all_dies): Delete.
5153 (add_dwarf_attr): Correct documentation.
5154 (remove_child_with_prev): New.
5155 (remove_child_TAG): Update for change to die_struct, use
5156 remove_child_with_prev.
5157 (add_child_die): Update for change to die_struct.
5158 (splice_child_die): Use remove_child_with_prev and add_child_die.
5159 (print_die): Use FOR_EACH_CHILD.
5160 (die_checksum): Likewise.
5161 (assign_symbol_names): Likewise.
5162 (output_location_lists): Likewise.
5163 (build_abbrev_table): Likewise.
5164 (calc_die_sizes): Likewise.
5165 (mark_dies): Likewise.
5166 (unmark_dies): Likewise.
5167 (unmark_all_dies): Likewise.
5168 (output_die): Likewise.
5169 (prune_unused_types_mark): Likewise.
5170 (prune_unused_types_walk): Likewise.
5171 (same_die_p): Update for change to die_struct.
5172 (break_out_includes): Likewise.
5173 (prune_unused_types_prune): Likewise.
5174 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5175 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5177 (dwarf2out_finish): Don't call reverse_all_dies.
5179 2006-04-21 Eric Christopher <echristo@apple.com>
5181 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5182 in comments and function names.
5184 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5187 * c-typeck.c (digest_init): Robustify.
5189 * c-typeck.c (pop_init_level): Simplify.
5191 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5193 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5195 2006-04-21 Paul Brook <paul@codesourcery.com>
5197 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5198 hardware floating point.
5200 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5202 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5205 2006-04-21 Nick Clifton <nickc@redhat.com>
5207 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5210 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5213 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5214 C++ lang type in traceback table for Objective-C++.
5216 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5218 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5220 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5222 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5225 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5226 were errors. Remove check for erroneous objects.
5228 2006-04-20 Jeff Law <law@redhat.com>
5230 PR tree-optimization/26854
5231 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5232 checking for zero or one use.
5233 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5234 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5235 * tree-ssa-reassoc.c (negate_value): Similarly.
5236 (reassociate_bb): Similarly.
5238 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5240 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5241 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5242 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5244 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5246 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5247 fp regs if the last fp arg doesn't fit in regs.
5249 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5252 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5253 that the last insn has the REG_INC note.
5255 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5256 Nathan Sidwell <nathan@codesourcery.com>
5259 * stor-layout.c (update_alignment_for_field): Do not align
5261 (place_union_field): Place union field at the start of the union.
5262 (place_field): Move ERROR_MARK check later, and use the current
5263 allocation position to maintain monotonicity.
5265 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5267 * dominance.c: Include timevar.h.
5268 (calculate_dominance_info): Use TV_DOMINANCE.
5269 * timevar.def (TV_DOMINANCE): New timevar.
5270 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5272 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5274 PR rtl-optimization/14261
5275 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5276 move would be an INSV insn.
5277 (noce_process_if_block): Don't optimize if the destination is a
5278 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5280 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5282 * config/s390/s390.md: Add comments with the instructions emitted
5283 by an insn pattern if macros are used.
5285 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5287 PR rtl-optimization/26026
5288 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5289 is a known power of two shifted left a variable amount.
5291 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5293 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5294 to hash table twice when the debug_str section has SECTION_MERGE.
5296 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5298 * config/soft-fp: New directory. From glibc.
5299 * config/soft-fp/t-softfp: New.
5300 * config/soft-fp/README: New.
5301 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5302 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5303 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5304 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5305 * config.gcc: Use rs6000/t-fprules-fpbit or
5306 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5308 * config/rs6000/sfp-machine.h: New. Based on glibc.
5309 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5311 * config/rs6000/t-fprules: Remove fp-bit rules.
5312 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5313 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5314 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5315 (softfp_wrap_start, softfp_wrap_end): New.
5317 2006-04-18 DJ Delorie <dj@redhat.com>
5319 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5321 2006-04-18 Devang Patel <dpatel@apple.com>
5323 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5325 2006-04-18 Nick Clifton <nickc@redhat.com>
5327 * config/sh/t-symbian: Add rule to build sh-c.o
5328 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5329 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5330 (sh_symbian_encode_section_info): Likewise.
5332 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5334 * builtins.c (expand_builtin_strcmp): Cover label definition of
5335 do_libcall with HAVE_cmpstrnsi.
5337 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5339 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5341 * function.h (temp_slot_p): New.
5342 (function): Change the type of x_used_temp_slots to
5343 VEC(temp_slot_p,gc) *.
5345 2006-04-18 Nick Clifton <nickc@redhat.com>
5347 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5348 flag_strength_reduce.
5350 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5352 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5356 Partial revert of revision 112637
5357 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5358 Dale Johannesen <dalej@apple.com>
5361 * regclass.c (struct reg_pref): Update documentation.
5362 (regclass): Set prefclass to NO_REGS if memory is the best option.
5363 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5365 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5367 PR tree-optimization/26821
5368 * tree-ssa-math-opts.c (get_constant_one): New.
5369 (insert_reciprocals): Use it.
5371 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5373 * dwarf2out.c (free_AT): Delete.
5374 (remove_AT): Update string ref counts.
5375 (remove_child_TAG): Don't call free_die.
5377 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5378 or DW_TAG_GNU_EINCL.
5379 (prune_unused_types_walk_attribs): Reset string refcounts.
5380 (prune_unused_types_update_strings): New.
5381 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5382 call free_die. Do call prune_unused_types_update_strings.
5383 (prune_unused_types): Empty debug_str_hash.
5385 2006-04-17 Roger Sayle <roger@eyesopen.com>
5387 * expr.c (expand_assignment): Optimize away no-op moves where the
5388 source and destination are equal and have no side-effects.
5390 2006-04-17 Richard Guenther <rguenther@suse.de>
5393 * reload.c (push_reload): Guard calls to get_secondary_mem
5396 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5398 * alias.c (reg_base_value, old_reg_base_value): Change the
5399 type to VEC(rtx,gc) *.
5400 (REG_BASE_VALUE, find_base_value, record_set,
5401 init_alias_analysis): Use VEC instead of VARRAY.
5403 * alias.c (alias_sets): Change the type to
5404 VEC(alias_set_entry,gc) *.
5405 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5406 VEC instead of VARRAY.
5407 (last_alias_set): Remove.
5409 * cgraph.h (cgraph_edge_p): New.
5410 Update the prototype of cgraph_function_versioning.
5411 * cgraphunit.c (cgraph_copy_node_for_versioning,
5412 cgraph_function_versioning): Use VEC instead of VARRAY.
5413 * ipa-cp.c (ipcp_insert_stage): Likewise.
5415 2006-04-16 Roger Sayle <roger@eyesopen.com>
5418 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5419 "A op B" or "A op C", we may need to convert A to the type of B and C.
5421 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5423 * target.h (struct gcc_target): Add mode_rep_extended.
5424 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5425 (init_num_sign_bit_copies_in_rep): Initialize it using
5427 (truncate_to_mode): Use it.
5428 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5429 * targhooks.h (default_mode_rep_extended): Declare it.
5430 * targhooks.c (default_mode_rep_extended): Define it.
5431 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5432 default_mode_rep_extended.
5433 (TARGET_INITIALIZER): Include it.
5434 * doc/tm.texi (Misc): Document it.
5435 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5436 (mips_truncated_to_mode): New function.
5438 2006-04-16 Roger Sayle <roger@eyesopen.com>
5441 * expr.c (compress_float_constant): Copy the narrow constant into
5442 a new pseudo before extending it to its final width.
5444 2006-04-16 Roger Sayle <roger@eyesopen.com>
5445 Andrew Pinski <pinskia@gcc.gnu.org>
5446 Dale Johannesen <dalej@apple.com>
5449 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5450 special case code to implement V8HImode and V16QImode with SSE2.
5452 2006-04-15 Roger Sayle <roger@eyesopen.com>
5454 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5455 trees are constructed with a suitable tree type.
5457 2006-04-15 Roger Sayle <roger@eyesopen.com>
5459 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5460 (integer_onep): Likewise.
5461 (integer_all_onesp): Likewise.
5462 (integer_pow2p): Likewise.
5463 (integer_nonzerop): Likewise.
5464 (real_zerop): Likewise.
5465 (real_onep): Likewise.
5466 (real_twop): Likewise.
5467 (real_minus_onep): Likewise.
5468 (int_size_in_bytes): Likewise.
5469 (host_integerp): Likewise.
5471 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5473 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5474 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5475 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5477 * tree-ssa-structalias.h (alias_info): Remove num_references.
5479 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5481 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5482 (output_bvb patterns): Likewise.
5483 * pa.c (output_bb): Use 'bb' insn for long branch case.
5484 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5485 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5486 1. Correct length operand for alternatives 1 and 2.
5487 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5488 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5490 2006-04-14 Roger Sayle <roger@eyesopen.com>
5492 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5493 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5494 were accidentally reverted by r112959.
5496 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5499 * except.h (eh_region_outermost): New prototype.
5500 * except.c (eh_region_outermost): New function.
5501 * tree-cfg.c (find_outermost_region_in_block): Use it.
5503 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5505 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5507 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5508 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5509 (init_reload, reload): Use VEC instead of VARRAY.
5510 * reload.h: Update the prototype for
5511 reg_equiv_memory_loc_varray.
5513 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5514 Eric Botcazou <ebotcazou@libertysurf.fr>
5516 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5519 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5522 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5523 to expand fallback builtin function call.
5525 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5528 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5529 and emit libcall here in case the builtin fails.
5530 (expand_builtin_strcmp): Always emit the libcall here on failure.
5532 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5534 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5535 * flow.c (reg_n_info): Change the type to
5536 VEC(reg_info_p,heap) *.
5537 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5539 * regs.h (reg_info_p): New.
5540 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5541 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5542 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5545 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5547 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5549 * params.h (MAX_SCHED_READY_INSNS): New macro.
5550 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5551 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5552 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5553 the ready list for 1 cycle during the first scheduling pass.
5554 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5556 2006-04-13 Richard Henderson <rth@redhat.com>
5559 * gimple-low.c (lower_omp_directive): Remove dead code.
5560 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5561 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5562 * omp-low.c (struct omp_region): Move to tree-flow.h.
5563 (root_omp_region): Export.
5564 (omp_regions, lookup_omp_region): Remove.
5565 (determine_parallel_type): Update for struct omp_region changes.
5566 (dump_omp_region): Dump regions with block numbers.
5567 (new_omp_region): Take type and block instead of stmt; malloc
5569 (free_omp_region_1, free_omp_regions): New.
5570 (expand_parallel_call): Take entry_stmt as argument; update for
5571 changes to omp_region.
5572 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5573 (remove_exit_barriers): New.
5574 (expand_omp_parallel): Update for struct omp_region changes.
5575 (expand_omp_synch): Likewise.
5576 (expand_omp): Likewise.
5577 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5578 (expand_omp_for_static_chunk): Likewise.
5579 (expand_omp_for): Likewise.
5580 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5581 (expand_omp_sections): Similarly, with GOMP_sections_end.
5582 (expand_omp_single): New.
5583 (build_omp_regions_1): Update for OMP_CONTINUE.
5584 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5585 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5586 OMP_SECTIONS_SECTIONS.
5587 (lower_omp_single_simple): Don't emit barrier here.
5588 (lower_omp_single_copy): Likewise.
5589 (lower_omp_single): Fix bindings, and lower to straightline now.
5590 (lower_omp_master, lower_omp_ordered): Likewise.
5591 (lower_omp_critical): Likewise.
5592 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5593 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5594 omp edges, free it afterward.
5595 (make_omp_sections_edges): Remove.
5596 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5597 (move_stmt_r): Handle OMP_CONTINUE.
5598 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5599 statement pointers to basic blocks. Add type member.
5600 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5601 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5602 * tree-inline.c (estimate_num_insns_1): Likewise.
5603 * tree-pretty-print.c (dump_generic_node): Likewise.
5604 * tree-ssa-operands.c (get_expr_operands): Likewise.
5605 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5606 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5607 (OMP_CONTINUE): New.
5608 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5609 (OMP_SECTIONS_SECTIONS): Remove.
5610 (OMP_SECTION_LAST): New.
5611 (OMP_RETURN_NOWAIT): New.
5613 2006-04-13 Roger Sayle <roger@eyesopen.com>
5615 * fold-const.c (native_encode_vector, native_interpret_real):
5616 Correct obvious mistakes in the previous check-in.
5618 2006-04-13 Roger Sayle <roger@eyesopen.com>
5620 * fold-const.c (native_encode_expr): New function to encode
5621 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5622 or VECTOR_CST into a specified buffer.
5623 (native_encode_int): New function.
5624 (native_encode_real): New function.
5625 (native_encode_complex): New function.
5626 (native_encode_vector): New function.
5627 (native_interpret_expr): Inverse of native_encode_expr to convert
5628 a target representation into an INTEGER_CST, REAL_CST etc...
5629 (native_interpret_int): New function.
5630 (native_interpret_real): New function.
5631 (native_interpret_complex): New function.
5632 (native_interpret_vector): New function.
5633 (fold_view_convert_expr): New function to constant fold/evaluate
5634 a VIEW_CONVERT_EXPR of a suitable constant expression.
5635 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5636 Change call of build1 to fold_build1 when constructing a
5639 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5640 Ulrich Weigand <uweigand@de.ibm.com>
5643 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5646 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5649 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5650 optimize to lo_sum for DFmode if !TARGET_FPRS.
5652 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5654 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5655 delete_alias_info, compute_flow_sensitive_aliasing,
5656 group_aliases): Use VEC instead of VARRAY.
5657 * tree-ssa-structalias.c (update_alias_info): Likewise.
5658 * tree-ssa-structalias.h (alias_info): Change the type of
5659 processed_ptrs to VEC(tree,heap) *.
5661 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5664 * config/sh/lib1funcs.h: New file, broken out of:
5665 * config/sh/lib1funcs.asm.
5666 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5668 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5669 * config/sh/lib1funcs-Os-4-200.asm: New file.
5670 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5671 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5672 (EXTRA_MULTILIB_PARTS): Include it.
5673 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5674 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5675 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5676 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5679 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5681 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5682 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5683 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5685 * tree-ssa-live.h: Include vecprim.h.
5686 (tree_partition_associator_d): Change the type of
5687 first_partition to VEC(int,heap) *.
5688 (tpa_first_partition): Use VEC instead of VARRAY.
5690 * Makefile.in (GTFILES): Move functions.h after tree.h.
5691 * function.c (reset_block_changes, record_block_change,
5692 check_block_change, free_block_changes): Use VEC instead of
5694 * function.h (function): Change the type of
5695 ib_boundaries_block to VEC(tree,gc) *.
5696 * tree-inline.c (copy_cfg_body): Initialize
5697 ib_boundaries_block to NULL instead of (varray_type) 0.
5699 2006-04-12 Roger Sayle <roger@eyesopen.com>
5701 * expr.c (emit_group_store): Correct operand order in call to
5702 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5703 a SUBREG_BYTE of zero.
5705 2006-04-12 Richard Guenther <rguenther@suse.de>
5707 * profile.c (compute_branch_probabilities): Remove code
5708 encapsulated in !ir_type (), which are remanents of the
5709 removed RTL profiling code.
5710 * rtl-profile.c: Remove.
5712 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5714 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5715 magic NULL_RTX comment.
5716 (function_arg): Store entire fp arg to mem if any part should go
5718 (rs6000_arg_partial_bytes): Adjust for above change.
5720 2006-04-11 Roger Sayle <roger@eyesopen.com>
5722 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5723 if it hasn't been initialized by dwarf2out_init.
5725 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5727 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5728 symbolic constants in branch patterns.
5730 2006-04-11 Roger Sayle <roger@eyesopen.com>
5732 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5734 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5736 PR rtl-optimization/27073
5737 * gcse.c (try_replace_reg): Revert last change. Continue to search
5738 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5741 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5743 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5744 aggregate types other than record and union types.
5745 (function_arg): Likewise.
5746 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5748 (function_value): In 64-bit mode, return objects that require it
5751 2006-04-11 Roger Sayle <roger@eyesopen.com>
5753 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5755 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5757 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5759 2006-04-03 Jeff Law <law@redhat.com>
5762 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5763 alias information too.
5765 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5767 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5769 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5772 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5773 (premark_used_types_helper): New.
5774 (premark_used_types): New.
5775 (gen_subprogram_die): Call premark_used_types.
5776 (prune_unused_types_walk): Do not prune perennial dies.
5777 * function.c (used_types_insert): New.
5778 * function.h (struct function): Add used_types_hash field.
5779 (used_types_insert): Add prototype.
5780 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5781 * c-parser.c (c_parser_cast_expression): Save casted types in used
5784 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5787 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5788 rs6000_explicit_options.float_gprs.
5790 2006-04-10 Roger Sayle <roger@eyesopen.com>
5792 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5793 from ix86_expand_vector_init_low_nonzero. Take an additional
5794 one_var argument indicating which element is non-zero. Support
5795 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5796 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5797 with one_var instead of ix86_expand_vector_init_low_nonzero.
5799 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5801 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5802 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5803 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5804 build/genextract.o): Depend on vecprim.h.
5805 * cfglayout.c, df-problems.c, function.c, genextract.c,
5806 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5807 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5811 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5813 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5814 Declare VECs of this type.
5815 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5816 (remove_children): Delete.
5817 (add_dwarf_attr): Use VEC routines.
5818 (add_AT_flag): Update for changes to add_dwarf_attr.
5819 (add_AT_int): Likewise.
5820 (add_AT_unsigned): Likewise.
5821 (add_AT_long_long): Likewise.
5822 (add_AT_vec): Likewise.
5823 (add_AT_string): Likewise.
5824 (add_AT_die_ref): Likewise.
5825 (add_AT_fde_ref): Likewise.
5826 (add_AT_loc): Likewise.
5827 (add_AT_loc_list): Likewise.
5828 (add_AT_addr): Likewise.
5829 (add_AT_lbl_id): Likewise.
5830 (add_AT_lineptr): Likewise.
5831 (add_AT_macptr): Likewise.
5832 (add_AT_offset): Likewise.
5833 (add_AT_range_list): Likewise.
5834 (get_AT): Use VEC_iterate.
5835 (remove_AT): Use VEC_ordered_remove.
5836 (free_die): Fold remove_children into here; have it use VEC_iterate.
5837 (print_die): Use VEC_iterate on attrs.
5838 (reverse_die_lists): Don't reverse attr lists.
5839 (die_checksum): Use VEC_iterate on attrs.
5840 (same_die_p): Likewise.
5841 (output_location_lists): Likewise.
5842 (build_abbrev_table): Likewise.
5843 (size_of_die): Likewise.
5844 (unmark_all_dies): Likewise.
5845 (output_abbrev_section): Likewise.
5846 (output_die): Likewise.
5847 (prune_unused_types_walk_attribs): Likewise.
5849 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5851 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5853 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5856 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5858 2006-04-09 Roger Sayle <roger@eyesopen.com>
5860 * expr.c (store_constructor): Don't bother clearing target if
5861 we're about to assign a vector to it using vec_init_optab.
5863 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5865 * tree-ssa-alias.c (lhs_may_store_to): New function.
5866 (recalculate_used_alone): Handle LHS of calls.
5868 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5872 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5873 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5874 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5875 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5876 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5877 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5878 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5879 stubs. Add ".align 8" directives before all ".dword" directives.
5880 (GTHREAD_USE_WEAK): Revise comment.
5881 (TARGET_ATTRIBUTE_WEAK): Define.
5882 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5883 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5884 * stublib.c: New file.
5889 * pa.md (cbranch patterns): Revise arguments used in calls to
5890 output_cbranch, output_bb and output_bvd. Add long branch length
5892 (fbranch patterns): Handle long branches.
5893 (jump): Revise length check. Revise arguments for output_lbranch call.
5894 Add long branch length attributes.
5895 (decrement_and_branch_until_zero): Add long branch length attributes.
5896 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5897 Likewise. Revise arguments for output_parallel_addb and
5898 output_parallel_movb calls.
5899 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5900 output_parallel_movb and output_parallel_addb): Update prototypes.
5901 * pa.c (output_cbranch): Revise arguments. Correct handling of
5902 nullification in long branches.
5903 (output_lbranch): Add new argument to control extraction of delay
5905 (output_bb): Handle long branches.
5906 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5907 output_parallel_addb): Likewise.
5909 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5911 PR rtl-optimization/27073
5912 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5915 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5917 * tree.h (tree_memory_tag): Add old_used_alone.
5918 (SMT_OLD_USED_ALONE): New macro.
5919 * tree-ssa-alias.c (recalculate_used_alone): Stop
5920 marking things for renaming unnecessarily.
5922 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5924 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5925 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5926 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5927 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5928 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5929 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5930 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5931 spelling convensions.
5932 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5933 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5934 typos. Follow spelling conventions.
5936 2006-04-07 DJ Delorie <dj@redhat.com>
5938 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5939 passed on the stack.
5940 (m32c_init_cumulative_args): When a function returns a structure,
5941 always pass the pointer to that return area on the stack.
5942 (m32c_function_arg_advance): Don't increment the parameter number
5943 if we're processing the returned structure pointer.
5944 (pushm_info): Reverse order of registers.
5946 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5948 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5949 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5950 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5951 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5953 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5954 chrec_fold_multiply): Same.
5955 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5956 force_expr_to_var_cost): Same.
5957 * tree-mudflap.c (mf_xform_derefs_1): Same.
5958 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5960 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5962 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5963 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5966 2006-04-07 Jan Hubicka <jh@suse.cz>
5968 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5970 2006-04-07 Richard Guenther <rguenther@suse.de>
5972 PR tree-optimization/26135
5973 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5974 loads for store copy-prop.
5975 (copy_prop_visit_stmt): Likewise.
5977 2006-04-05 Robert Millan <robertmh@gnu.org>
5979 * config/i386/linux.h: Add a comment to mark macros that are
5980 being overriden in config/k*bsd-gnu.h.
5981 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5983 * config/knetbsd-gnu.h: Ditto.
5985 2006-04-06 Jan Hubicka <jh@suse.cz>
5989 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5992 2006-04-06 Mike Stump <mrs@apple.com>
5994 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5995 for HAVE_nonlocal_goto to be consistent.
5996 (expand_builtin_nonlocal_goto): Likewise.
5997 (expand_builtin_strcmp): Use #ifdef instead of #if
5998 for HAVE_cmpstrnsi to be consistent.
6000 2006-04-05 DJ Delorie <dj@redhat.com>
6002 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6005 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6007 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6008 got-relative addressing for anything but SImode.
6010 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6011 even if the calling function doesn't modify them.
6013 2006-04-05 Richard Guenther <rguenther@suse.de>
6015 PR tree-optimization/26919
6016 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6017 to cgraph_estimate_size_after_inlining.
6019 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6021 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6023 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6025 PR tree-optimization/26996
6026 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6027 VECTOR_TYPE variables.
6029 2006-04-05 Richard Guenther <rguenther@suse.de>
6031 PR tree-optimization/26763
6032 * fold-const.c (fold_comparison): Move folding of
6033 PTR + CST CMP PTR + CST ...
6034 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6036 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6038 * doc/install.texi (Prerequisites): Refine some wording on
6039 bootstrapping and ksh.
6040 Move the version numbers of DejaGnu here from the testing section
6041 and fix casing of names.
6042 Fix markup and clarify wording for autogen requirements.
6043 Refer to GCJ instead of just java.
6044 Refer to SVN instead of CVS.
6045 Describe diffutils as useful instead of necessary.
6046 (Downloading the source): Refer to SVN instead of CVS.
6047 Adjust a link to our web site accordingly.
6048 (Configuration): Fix casing of Bison.
6049 (Building): Refer to SVN instead of CVS.
6050 Fix a sentence on the use of Bison and remove duplicate (and
6051 incorrect) version number of Bison requirement.
6052 Remove one redundant list of packages needed for building.
6053 (Specific): Avoid reference to CVS.
6055 2006-04-04 Eric Christopher <echristo@apple.com>
6057 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6058 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6059 (rs6000_handle_struct_attribute): New.
6060 (rs6000_ms_bitfield_layout_p): Ditto.
6062 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6064 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6065 NULL for dso parameter to atexit_common.
6067 2006-04-04 Eric Christopher <echristo@apple.com>
6069 * config/i386/i386.c (machopic_output_stub): Output \t
6070 between instructions and operands.
6072 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6074 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6075 satisfies_constraint_[IL] to explicit tests on value.
6077 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6079 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6080 set_nb_iterations_in_loop): Use build_int_cst instead of
6082 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6083 build_int_cst instead of convert.
6085 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6087 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6088 new value 2 for incoming.
6089 * function.c (expand_function_start): Call struct_value_rtx
6091 * config/sparc/sparc.md: Comment updated_return.
6092 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6093 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6094 struct return if sparc_std_struct_return and incoming is 2.
6095 (print_operand): Do not adjust return if
6096 sparc_std_struct_return.
6098 2006-04-04 Roger Sayle <roger@eyesopen.com>
6100 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6101 convert in the middle-end.
6102 * expr.c (store_expr, store_constructor, get_inner_reference,
6103 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6105 * tree.c (build_range_type): Likewise.
6107 2006-04-04 Tom Tromey <tromey@redhat.com>
6109 * doc/install.texi (Prerequisites): Mention jar.
6111 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6113 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6116 2006-04-04 Matthias Klose <doko@debian.org>
6118 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6119 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6122 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6124 * doc/extend.texi (Function Attributes): Rewrite visibility
6125 attribute documentation.
6126 * doc/invoke.texi (C++ Dialect Options): Rewrite
6127 -fvisibility-inlines-hidden documentation to describe something
6128 entirely different, although in practise compatible.
6129 (Code Gen Options): Warn about system headers in -fvisibility=
6132 * doc/extend.texi (Other Builtins): Document that
6133 __builtin_nan is a compile-time constant only when its argument
6136 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6138 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6139 trying to remove TRUNCATE check if all bits outside the new mode
6140 are identical to the sign bit.
6142 2006-04-03 Jeff Law <law@redhat.com>
6144 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6145 and operand scanning in some common cases.
6147 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6148 Dale Johannesen <dalej@apple.com>
6151 * regclass.c (struct reg_pref): Update documentation.
6152 (regclass): Set prefclass to NO_REGS if memory is the best option.
6153 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6154 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6155 into account. For non-registers, equate an empty preferred
6156 reload class to a `!' in the constraint; move the if clause to
6157 do so after those that reject the insn.
6158 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6160 (find_dummy_reload): Likewise.
6161 * doc/tm.texi (Register Classes): Document what it means
6162 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6163 * config/i386/i386.c (ix86_preferred_reload_class): Force
6164 using SSE registers (and return NO_REGS for floating-point
6165 constants) if math is done with SSE.
6166 (ix86_preferred_output_reload_class): New.
6167 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6168 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6169 * config/i386/i386.md: Remove # register preferences.
6171 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6174 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6175 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6176 the type of nb_iter.
6177 (instantiate_parameters_1): Convert the operands before calling
6178 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6179 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6181 2006-04-02 Roger Sayle <roger@eyesopen.com>
6183 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6184 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6186 * dojump.c (do_jump): Likewise.
6187 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6188 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6189 gimplify_boolean_expr): Likewise.
6190 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6191 * varasm.c (array_size_for_constructor): Likewise.
6192 * tree-object-size.c (compute_object_offset): Likewise.
6194 2006-04-02 Roger Sayle <roger@eyesopen.com>
6197 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6198 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6200 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6202 PR tree-optimization/26939
6203 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6205 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6207 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6208 at_stmt. Convert the type of operands before calling
6209 build_polynomial_chrec.
6210 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6212 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6213 (instantiate_parameters_1): Convert the type of operands before calling
6214 build_polynomial_chrec.
6215 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6216 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6217 reset_evolution_in_loop): Insert asserts to check the types of the
6219 (chrec_type): Moved...
6220 (eq_evolutions_p): Use operand_equal_p.
6221 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6222 the types of the operands.
6223 (chrec_type): ...here.
6224 * tree-data-ref.c (create_data_ref): Convert the operands before
6225 calling chrec_replace_initial_condition.
6226 (same_access_functions, analyze_subscript_affine_affine,
6227 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6228 (compute_subscript_distance, analyze_ziv_subscript,
6229 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6230 analyze_miv_subscript): Convert the operands before calling
6231 chrec_fold_minus or chrec_fold_plus.
6233 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6235 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6236 the dependence_relations vector.
6237 (compute_data_dependences_for_loop): Adjust call to
6238 compute_all_dependences.
6240 2006-04-01 Roger Sayle <roger@eyesopen.com>
6241 Richard Henderson <rth@redhat.com>
6243 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6244 gimple_boolify on the condition before calling gimplify_expr.
6246 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6248 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6249 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6250 the frame size. Update to use the new macros.
6251 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6252 * config/xtensa/ieee754-df.S: Likewise.
6254 2006-03-31 Richard Henderson <rth@redhat.com>
6256 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6257 (make_edges): ... here. Control fallthru creation with a local
6258 variable. Do not play with fake edges.
6259 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6260 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6263 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6265 * dwarf2.h (DW64_CIE_ID): Define.
6266 * dwarf2out.c (DWARF_CIE_ID): Define.
6267 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6268 length header. Use DWARF_CIE_ID.
6269 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6270 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6272 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6274 * config/sh/linux-atomic.asm: New file.
6275 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6277 2006-03-31 DJ Delorie <dj@redhat.com>
6279 * config/m32c/cond.md: Set condition flags properly throughout.
6280 * config/m32c/minmax.md: Likewise.
6281 * config/m32c/prologue.md: Likewise.
6282 * config/m32c/bitops.md: Likewise.
6283 * config/m32c/muldiv.md: Likewise.
6284 * config/m32c/mov.md: Likewise.
6285 * config/m32c/addsub.md: Likewise.
6286 * config/m32c/m32c.md: Likewise.
6287 * config/m32c/jump.md: Likewise.
6288 * config/m32c/shift.md: Likewise.
6290 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6291 conditionally output the pattern for this.
6292 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6293 (m32c_compare_redundant): New.
6294 (m32c_output_compare): New.
6295 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6297 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6298 dest, not src. Allow other 4-byte modes.
6300 2006-03-30 Denis Chertykov <denisc@overta.ru>
6302 * doc/md.texi: Refer to avr/constraints.md instead of
6305 2006-03-30 Roger Sayle <roger@eyesopen.com>
6307 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6308 signed vs. unsigned comparison failures on some hosts.
6310 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6313 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6314 change to FLOAT_REGS.
6316 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6317 (rs6000_override_options): Use it.
6318 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6319 only for -mabi=spe/no-spe and -mabi=altivec.
6321 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6323 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6326 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6328 * Makefile.in: Rename docdir to gcc_docdir.
6330 2006-03-30 Roger Sayle <roger@eyesopen.com>
6333 * expr.c (emit_group_store): Optimize group stores into a pseudo
6334 register by using a paradoxical subreg to initialize the destination
6335 if the first or last member of the group specifies a "low part".
6337 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6340 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6341 * target.h (struct gcc_target.speculate_insn): Change type of the
6342 second parameter to 'int'.
6343 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6344 the second operand of the DEPS_LIST.
6345 (copy_DEPS_LIST_list): Update reference to the second operand of the
6347 * rtl.h (alloc_DEPS_LIST): Update signature.
6348 * sched-int.h (ds_t): Change typedef to 'int'.
6349 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6351 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6353 * haifa-sched.c (try_ready): Change condition to restore
6354 non-speculative pattern of the instruction.
6355 (process_insn_depend_be_in_spec): Code to keep probability of the
6356 speculative dependence non-decreasing.
6358 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6360 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6361 (single_move_for_movmem): ... this. Also change all uses.
6362 (bfin_expand_strmov): Renamed to...
6363 (bfin_expand_movmem): ... this. Also change all uses.
6364 * config/bfin/bfin.md (movstrsi): Renamed to...
6365 (movstrsi): ...this.
6367 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6369 PR tree-optimization/26830
6371 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6372 (copy_prop_visit_stmt): Remove write-only variable ann.
6373 (init_copy_prop): Check variable loop depth here. Do not simulate
6374 memory-tag and virtual operand PHIs except for store copy prop.
6376 2006-03-30 Richard Guenther <rguenther@suse.de>
6378 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6379 variants with double arguments.
6381 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6383 * genpreds.c (write_tm_constrs_h): Delete variable p.
6384 * genconditions.c (write_header): Add tm-constrs.h to included
6386 * genpeep.c (main): Add toplev.h to included headers.
6387 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6388 (build/genpeep.o): Add toplev.h dependency.
6389 * config/rs6000/constraints.md: Add "W" constraint.
6391 2006-03-29 Roger Sayle <roger@eyesopen.com>
6393 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6394 sizes by correctly testing whether the size fits a host integer.
6395 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6396 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6397 SImode range for the default sizetype and bitsizetype.
6399 2006-03-29 Roger Sayle <roger@eyesopen.com>
6401 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6402 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6403 quickly if the argument is already of the correct type.
6404 Call fold_build1 instead of build1. Tidy up blank lines.
6406 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6408 * genemit.c (main): Add tm-constrs.h to included headers.
6409 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6410 * genpeep.c (main): Add tm-constrs.h to included headers.
6411 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6412 (write_tm_constrs_h): this and write complete file.
6413 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6414 (write_insn_preds_c): Add tm-constrs.h to included headers.
6415 (gen_constrs): New variable.
6416 (parse_option): Parse "-c".
6417 (main): Invoke write_tm_constrs_h.
6418 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6419 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6420 (object_out_file): Add tm-constrs.h dependency.
6421 (insn-emit.o): Same.
6422 (insn-output.o): Same.
6423 (insn-peep.o): Same.
6424 (insn-preds.o): Same.
6425 (insn-recog.o): Same.
6426 (tm-constsr.h): New target.
6427 (s-constrs-h): New target.
6429 * config/rs6000/constraints.md: New file.
6430 * config/rs6000/rs6000.c: Include tm-constrs.h.
6431 (num_insn_constant_wide): Convert to satisfies_constraint.
6432 (rs6000_rtx_costs): Convert to satisfies_constraint.
6433 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6434 (CONST_OK_FOR_LETTER_P): Delete.
6435 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6436 (EXTRA_CONSTRAINT): Delete.
6437 (EXTRA_MEMORY_CONSTRAINT): Delete.
6438 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6439 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6440 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6441 satisfies_constraint.
6443 * config/i386/i386.c: Include tm-constrs.h.
6445 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6447 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6448 * tree-data-ref.c (find_data_references_in_loop,
6449 compute_data_dependences_for_loop): Use pointers to VEC.
6450 (analyze_all_data_dependences): Adjust calls.
6451 * tree-data-ref.h (find_data_references_in_loop,
6452 compute_data_dependences_for_loop): Adjust declarations.
6453 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6454 compute_data_dependences_for_loop.
6456 2006-03-29 Paul Brook <paul@codesourcery.com>
6458 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6461 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6463 PR tree-optimization/26859
6464 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6466 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6467 for the step after fold_convert.
6469 2006-03-29 Paul Brook <paul@codesourcery.com>
6471 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6472 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6474 2006-03-29 Paul Brook <paul@codesourcery.com>
6477 * targhooks.c (default_narrow_bitfield): New fuction.
6478 * targhooks.h (default_narrow_bitfield): add prototype.
6479 * target.h (gcc_target): Add narrow_volatile_bitfield.
6480 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6481 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6482 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6483 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6485 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6487 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6489 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6490 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6491 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6492 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6493 (s390_function_arg_float): Allow SDmode and DDmode values to be
6494 passed in floating point registers.
6495 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6496 check with SCALAR_FLOAT_MODE_P.
6497 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6499 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6501 PR tree-optimization/25985
6502 * tree-ssa-loop-niter.c (number_of_iterations_le,
6503 number_of_iterations_ne): Make comments more precise.
6504 (number_of_iterations_cond): Add only_exit argument. Use the
6505 fact that signed variables do not overflow only when only_exit
6507 (loop_only_exit_p): New.
6508 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6509 number_of_iterations_cond.
6511 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6513 PR tree-optimization/26643
6514 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6517 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6519 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6520 (divsi3_i4_int): Likewise.
6522 2006-03-28 Roger Sayle <roger@eyesopen.com>
6524 * expr.c (emit_group_store): Only create a new pseudo reg if the
6525 quantity it needs to hold isn't already a suitable pseudo.
6527 2006-03-28 Jeff Law <law@redhat.com>
6529 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6530 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6532 2006-03-28 Roger Sayle <roger@eyesopen.com>
6534 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6535 the equivalent ~X & Y, and the symmetry related transformations.
6536 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6537 ~X & Y, and symmetry related transforms.
6539 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6541 Revert my 2006-03-27 patches.
6543 2006-03-28 Roger Sayle <roger@eyesopen.com>
6545 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6546 ~(T1)X, when T1 and T2 are integer types of the same precision
6547 and (T2)X isn't an extension.
6549 2006-03-28 Jeff Law <law@redhat.com>
6551 PR tree-optimization/26796
6552 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6553 need EH edge cleanups rather than purging them immediately.
6554 (eliminate_degenerate_phis): Handle queued EH cleanups.
6556 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6558 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6561 2006-03-27 Roger Sayle <roger@eyesopen.com>
6564 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6565 cast BIT_NOT_EXPR operand to the correct type.
6567 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6569 * tree-loop-linear.c: Don't include varray.h.
6570 (gather_interchange_stats, try_interchange_loops,
6571 linear_transform_loops): Use VEC instead of VARRAY.
6572 * lambda-mat.c: Don't include varray.h.
6573 * tree-chrec.c: Same.
6574 * lambda-trans.c: Same.
6575 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6576 VEC instead of VARRAY.
6577 * tree-vectorizer.h: Idem.
6578 * tree-data-ref.c (dump_data_references,
6579 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6580 initialize_data_dependence_relation, finalize_ddr_dependent,
6581 compute_all_dependences, find_data_references_in_loop,
6582 compute_data_dependences_for_loop, analyze_all_data_dependences,
6583 free_dependence_relation, free_dependence_relations,
6584 free_data_refs): Idem.
6585 * tree-data-ref.h (data_reference_p, subscript_p): New.
6586 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6587 VEC instead of VARRAY.
6588 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6589 (find_data_references_in_loop, compute_data_dependences_for_loop,
6590 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6591 dump_data_dependence_relations, free_dependence_relations,
6592 free_data_refs): Adjust declaration.
6593 (lambda_transform_legal_p): Move declaration here...
6594 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6595 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6596 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6597 vect_analyze_data_refs): Use VEC instead of VARRAY.
6598 * lambda.h (lambda_transform_legal_p): ...from here.
6599 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6600 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6601 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6602 tree-chrec.o): Don't depend on VARRAY_H.
6604 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6606 * rtl.def (Copyright): Update date.
6607 (DEPS_LIST): Change type of the second operand to 'int'.
6608 * target.h (Copyright): Update date.
6609 (struct gcc_target.speculate_insn): Change type of the second parameter
6611 * lists.c (Copyright): Update date.
6612 (alloc_DEPS_LIST): Change signature. Update reference to the second
6613 operand of the DEPS_LIST.
6614 (copy_DEPS_LIST_list): Update reference to the second operand of the
6616 * rtl.h (Copyright): Update date.
6617 (alloc_DEPS_LIST): Update signature.
6618 * sched-int.h (Copyright): Update date.
6619 (ds_t): Change typedef to 'int'.
6620 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6622 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6624 * haifa-sched.c (Copyright): Update date.
6625 (try_ready): Change condition to restore non-speculative pattern
6627 (process_insn_depend_be_in_spec): Code to keep probability of the
6628 speculative dependence non-decreasing.
6630 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6632 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6633 shut up the compiler.
6635 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6637 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6638 to use lib prefix for target.
6639 ($(T)libic_invalidate_array_4-200.a): Likewise.
6640 ($(T)libic_invalidate_array_4a.a): Likewise.
6642 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6643 J"orn Rennecke <joern.rennecke@st.com>
6645 * superh.opt: New file.
6646 * sh.c (boardtype, osruntime): Remove.
6647 * superh.h (SUBTARGET_OPTIONS): Remove.
6648 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6650 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6651 arguments with ^ and/or [].
6653 * config.gcc (sh-*-*): Add quoting to account for quirk of
6655 Replace == with = in enable_incomplete_targets test.
6657 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6658 with MASK_LITTLE_ENDIAN.
6660 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6661 * config/sh/sh.opt: Added to some comments.
6662 * config/sh/superh.h: Removed some chaff.
6664 * config/sh/sh.opt: Add m4-[1234]00* options.
6665 * config/sh/sh.c (sh_handle_option): Likewise.
6666 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6667 (ic_invalidate_array_4-100.o): New rule.
6668 ($(T)libic_invalidate_array_4-100.a): Likewise.
6669 (ic_invalidate_array_4-200.o): Likewise.
6670 ($(T)libic_invalidate_array_4-200.a): Likewise.
6671 (ic_invalidate_array_4a.o): Likewise.
6672 ($(T)libic_invalidate_array_4a.a): Likewise.
6673 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6674 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6676 * config/sh/crt1.asm: Merged in profiling code.
6677 * config/sh/superh.h (STARTFILE_SPEC): Override.
6678 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6679 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6680 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6682 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6683 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6684 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6686 * sh.opt (mpretend-cmove): New option.
6687 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6688 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6689 (movsicc): Add TARGET_PRETEND_CMOVE code.
6691 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6693 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6694 s390_class_max_nregs): New function prototypes.
6695 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6696 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6697 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6698 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6700 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6702 * dwarf2out.c (add_location_or_const_value_attribute): Call
6703 tree_add_const_value_attribute if nothing else works.
6704 (reference_to_unused): New.
6705 (rtl_for_decl_init): Use reference_to_unused to decide whether
6706 to output an initializer.
6708 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6711 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6712 peephole removing spe frob_di_df_2.
6714 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6716 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6717 (subscript_dependence_tester_1): Declared.
6718 (print_dir_vectors, print_dist_vectors): New.
6719 (debug_data_dependence_relation): New.
6720 (dump_data_dependence_relation): Print more details.
6721 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6722 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6723 (save_dist_v, save_dir_v, add_outer_distances,
6724 build_classic_dist_vector_1): New.
6725 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6726 Don't test for lambda_vector_lexico_pos.
6727 (same_access_functions, add_multivariate_self_dist,
6728 add_other_self_distances, dir_from_dist): New.
6729 (build_classic_dir_vector): Replace implementation almost identical to
6730 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6732 (subscript_dependence_tester_1): New.
6733 (subscript_dependence_tester): Handle the lexicographically negative
6734 distance vectors by recomputing the dependence relation.
6735 (compute_affine_dependence): Remove parameter loop_nest_depth.
6736 (compute_self_dependence): Don't call compute_subscript_distance.
6737 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6738 Add a parameter for the loop_nest.
6739 (find_loop_nest_1, find_loop_nest): New.
6740 (compute_data_dependences_for_loop): Compute the loop nest, and give
6741 up if the nest is not well formed.
6742 * tree-data-ref.h (loop_p): New.
6743 (struct data_dependence_relation): Replace size_vect field with
6744 loop_nest, a vec of loops.
6745 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6746 (DDR_LOOP_NEST): New.
6747 (print_dir_vectors, print_dist_vectors,
6748 debug_data_dependence_relation): Declared.
6749 (index_in_loop_nest): New.
6750 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6751 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6754 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6756 * simplify-rtx.c (simplify_relational_operation): Call
6757 simplify_relational_operation_1 even if mode is VOIDmode.
6759 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6761 PR tree-optimization/26804
6762 * tree.h (DECL_CALL_CLOBBERED): New macro.
6763 (tree_decl_common): Add call_clobbered_flag.
6764 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6765 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6766 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6767 (mark_non_addressable): Ditto.
6768 * tree-ssa.c (verify_call_clobbered): New function.
6769 (verify_alias_info): Use it.
6770 * tree-pass.h (pass_reset_cc_flags): New prototype.
6771 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6772 (reset_cc_flags): New function.
6773 * passes.c (init_optimization_passes): Call reset_cc_flags after
6774 initializing referenced_vars.
6776 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6777 Roger Sayle <roger@eyesopen.com>
6780 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6781 to 1.0 for non-real operands. Implement A / A optimization for
6784 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6786 * config/i386/i386.c (size_cost): Correct the comment for
6787 cost of storing fp registers.
6788 (i386_cost): Likewise.
6789 (i486_cost): Likewise.
6790 (pentium_cost): Likewise.
6791 (pentiumpro_cost): Likewise.
6792 (k6_cost): Likewise.
6793 (athlon_cost): Likewise.
6794 (k8_cost): Likewise.
6795 (pentium4_cost): Likewise.
6796 (nocona_cost): Likewise.
6797 (generic64_cost): Likewise.
6798 (generic32_cost): Likewise.
6800 2006-03-24 Denis Chertykov <denisc@overta.ru>
6802 * config/avr/avr-protos.h (extra_constraint): Delete.
6803 (extra_constraint_Q): New declaration.
6804 * config/avr/constraints.md: New file.
6805 * config/avr/avr.md: Include it.
6806 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6807 (TMP_REGNO, ZERO_REGNO): Likewise.
6808 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6809 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6810 (extra_constraint): Delete.
6811 (extra_constraint_Q): Test for memory constraint 'Q'.
6812 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6813 (REG_CLASS_FROM_LETTER): Delete.
6814 (CONST_OK_FOR_LETTER_P): Delete.
6815 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6816 (EXTRA_CONSTRAINT): Delete.
6817 (TMP_REGNO): Delete.
6818 (ZERO_REGNO): Delete.
6820 2006-03-24 Jeff Law <law@redhat.com>
6822 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6823 directly. Call mark_new_vars_to_rename slightly earlier.
6825 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6827 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6829 (gen_compile_unit_die): Use new language types for Objective-C and
6831 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6832 DW_LANG_C_plus_plus.
6835 * config/t-darwin (crt3.o): Work around bug 26840.
6836 * config/darwin-crt3.c: Rewrite.
6837 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6839 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6841 * doc/invoke.texi: Document -femit-class-debug-always
6842 * common.opt: Add -femit-class-debug-always.
6844 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6846 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6847 index and base register.
6848 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6849 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6850 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6851 REGNO_OK_FOR_INDEX_P.
6852 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6854 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6855 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6856 REG_OK_FOR_BASE_P): Definitions removed.
6858 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6861 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6862 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6863 set yet or weren't marked as local yet.
6865 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6867 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6870 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6872 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6873 (rs6000_legitimate_small_data_p): Delete.
6874 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6875 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6876 and make static. Add forward declaration. Update uses.
6877 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6878 of offsettable_memref_p.
6879 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6880 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6882 2006-03-24 Jeff Law <law@redhat.com>
6884 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6885 around bug in immediate-use iterator.
6887 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6890 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6891 or __LITTLE_ENDIAN__.
6893 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6895 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6896 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6897 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6898 * config/sh/sh.opt (mdiv=): Amend description.
6899 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6900 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6901 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6902 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6903 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6904 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6905 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6906 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6907 TARGET_DIVIDE_CALL_FP.
6909 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6911 * haifa-sched.c (choose_ready): Fix type of the local variable.
6912 Move local variables. Add comment.
6913 (check_reg_live): Change signature. Make callable from debugger.
6914 * sched-int.h (check_reg_live): Update signature.
6915 * sched-ebb.c (check_reg_live): Update parameters.
6916 * sched-rgn.c (check_reg_live): Ditto.
6917 (region_head_or_leaf_p): Check pointer before dereferencing.
6918 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6919 before reload on optimization levels below 1.
6921 2006-03-23 Richard Henderson <rth@redhat.com>
6923 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6927 * config/alpha/predicates.md (local_symbolic_operand): Reject
6930 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6933 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6934 expressions which have overflowed constants.
6936 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6938 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6940 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6942 * cfgloopmanip.c (create_loop_notes): Removed.
6943 * final.c (final_scan_insn): Do not handle loop notes.
6944 * jump.c (squeeze_notes): Ditto.
6945 * cfglayout.c (skip_insns_after_block,
6946 duplicate_insn_chain): Ditto.
6947 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6949 * cfgloop.h (create_loop_notes): Declaration removed.
6951 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6953 * varasm.c (output_constant_pool): Restore fnname and fndecl
6955 (assemble_start_function): Adjust call accordingly.
6956 (assemble_end_function): Likewise.
6958 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6961 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6964 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6966 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6969 * system.h (ICE_EXIT_CODE): New macro.
6970 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6971 (diagnostic_action_after_output): Likewise.
6972 * gcc.c (fatal_ice): New function.
6973 (execute): Use it instead of fatal.
6974 (fancy_abort): Likewise.
6975 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6977 2006-03-22 Jeff Law <law@redhat.com>
6979 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6980 iv_analyze_result returning false.
6982 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6984 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6986 2006-03-22 Richard Henderson <rth@redhat.com>
6989 * except.c (duplicate_eh_regions_0): New.
6990 (duplicate_eh_region_1): Duplicate the children of the node as
6991 well as the node itself. Link them up properly.
6992 (duplicate_eh_region_2): Merge into ...
6993 (duplicate_eh_regions): ... here. Take copy_region argument, and
6994 copy only a sub-tree if asked. Simplify copying and fixup.
6995 (eh_region_outer_p): New.
6996 * except.h (duplicate_eh_regions): Update decl.
6997 (eh_region_outer_p): Declare.
6998 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6999 (lower_omp_master): Likewise.
7000 (lower_omp_ordered): Likewise.
7001 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7002 (move_stmt_r): Use it to remap labels. Handle recursion vs
7003 remap_decls_p properly.
7004 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7005 (find_outermost_region_in_block): New.
7006 (new_label_mapper): New.
7007 (move_sese_region_to_fn): Copy eh information to the new function
7009 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7011 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7014 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7016 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7017 into shared libraries.
7019 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7021 * doc/md.texi: Refer to i386/constraints.md instead of
7023 * config/i386/constraints.md: New file, extracted from...
7024 * config/i386/predicates.md: ...here.
7025 * config/i386/i386.md: Include constraints.md.
7027 2006-03-21 Jason Merrill <jason@redhat.com>
7029 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7032 * expr.c (init_block_move_fn): Force default visibility.
7033 (init_block_clear_fn): Likewise.
7034 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7035 * targhooks.c (default_external_stack_protect_fail): Likewise.
7037 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7039 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7040 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7041 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7042 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7043 (loadgp): Use mips_current_loadgp_style.
7044 (loadgp_noshared): New pattern.
7045 (sibcall_internal): Use MIPS_CALL.
7046 (sibcall_value_internal): Likewise.
7047 (sibcall_value_multiple_internal): Likewise.
7048 (call_internal): Likewise.
7049 (call_value_internal): Likewise.
7050 (call_value_multiple_internal): Likewise.
7051 (call_split): Use MIPS_CALL and add an 'S' constraint.
7052 (call_value_split): Likewise.
7053 (call_value_multiple_split): Likewise.
7054 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7055 (-mshared): New option.
7056 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7057 (mips_current_loadgp_style): Declare.
7058 * config/mips/mips.c (mips_classify_symbol): Avoid using
7059 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7060 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7061 TARGET_ABSOLUTE_ABICALLS.
7062 (override_options): Adjust comments. Improve the warning that is
7063 issued when -mabicalls and -G are used together.
7064 (mips_file_start): Remove comment.
7065 (mips_current_loadgp_style): New function.
7066 (mips_gnu_local_gp): New variable.
7067 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7069 (mips_output_function_prologue): Use mips_current_laodgp_style.
7070 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7071 the cprestore instruction.
7072 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7073 live for TARGET_ABSOLUTE_ABICALLS.
7074 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7075 (ASM_SPEC): Pass down -mshared and -mno-shared.
7076 (MIPS_CALL): New macro.
7077 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7079 * doc/invoke.texi (-mabicalls): Update documentation.
7080 (-mshared): Document.
7082 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7084 * config/ia64/unwind-hpux.c: New file.
7085 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7087 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7090 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7092 2006-03-21 Jeff Law <law@redhat.com>
7094 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7095 type conversions of a VR_VARYING source to a wider type.
7097 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7099 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7100 tm_file on Solaris 10 and later.
7101 (sparc64-*-solaris2*): Likewise.
7102 (sparc-*-solaris2*): Likewise.
7103 * config/sol26.h: Rename to config/sol2-6.h.
7104 * config/sol2-10.h: New file.
7106 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7109 * tree-ssa-pre.c (create_component_ref_by_pieces):
7112 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7115 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7116 return it immediately.
7118 2006-03-21 Michael Matz <matz@suse.de>
7120 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7122 (remove_arc, add_arc): Update num_out_arcs member.
7123 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7125 (cache_presence): New function.
7126 (compare_states_for_equiv): New function.
7127 (state_is_differed): Don't take number of outargs, adjust callers.
7128 Use new invariant for speeding up.
7129 (init_equiv_class): Create initial classes based on sorted
7131 (partition_equiv_class): Don't track out_arcs_num.
7132 (evaluate_equiv_classes): Call cache_presence on all states and
7135 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7137 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7138 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7139 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7140 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7142 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7143 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7144 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7145 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7146 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7148 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7149 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7150 (REGNO_REG_CLASS): ARGP is in PREGS.
7151 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7153 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7154 to deal with those addresses.
7155 * addresses.h: New file.
7156 * caller-save.c: Include "addresses.h".
7157 (init_caller_save): Use new base_reg_class function.
7158 * rtl-factoring.c: Include "addresses.h".
7159 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7160 * recog.c: Include "addresses.h".
7161 (preprocess_constraints): Use new base_reg_class function.
7162 * regrename.c: Include "addresses.h".
7163 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7164 functions. Keep track of a new var INDEX_CODE to compute valid
7166 (replace_oldest_value_addr): Likewise.
7167 (replace_oldest_value_mem): Use base_reg_class.
7168 * reload.c: Include "addresses.h".
7169 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7170 (find_reloads): Use new base_reg_class function.
7171 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7172 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7173 all callers and prototype changed.
7174 * reload1.c: Include "addresses.h".
7175 (maybe_fix_stack_asms): Use base_reg_class.
7176 * regclass.c: Include "addresses.h".
7177 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7178 (init_reg_autoinc): Use new base_reg_class function.
7179 (record_reg_classes): Likewise.
7180 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7181 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7182 Use new args to compute necessary class.
7184 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7185 regrename.o, rtl-factoring.o): Update dependencies.
7186 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7187 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7188 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7189 REG_OK_FOR_INDEX_P): Delete documentation.
7191 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7193 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7194 from V7 to V9 for Solaris 7 and above.
7196 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7198 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7199 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7200 argument pointers may not alias any other storage.
7201 * common.opt: Define option -fargument-noalias-anything.
7202 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7203 alias semantics is specified by flag_argument_noalias > 2.
7205 2006-03-20 Jeff Law <law@redhat.com>
7207 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7208 (pass_phi_only_cprop): Declare.
7209 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7211 * tree-ssa-dom.c (degenerate_phi_result): New function.
7212 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7213 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7214 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7215 (eliminate_degenerate_phis): Likewise.
7216 (pass_phi_only_cprop): New pass descriptor.
7217 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7218 support code. Callers updated.
7219 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7220 (store_copy_prop): Likewise.
7221 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7223 2006-03-20 Jason Merrill <jason@redhat.com>
7226 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7227 (push_visibility, pop_visibility): Likewise.
7228 * c-pragma.h: Declare them.
7230 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7232 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7234 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7235 parameter and use get_ebb_head_tail.
7236 (sh_md_init_global): Adjust uses of find_regmode_weight.
7238 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7240 * function.h (struct function) <x_tail_recursion_reentry>:
7241 Rename to x_stack_check_probe_note.
7242 (tail_recursion_reentry): Rename to stack_check_probe_note.
7243 * function.c: Replace tail_recursion_reentry with
7244 stack_check_probe_note everywhere.
7245 (expand_function_start): Only emit a note for
7246 stack_check_probe_note with -fstack-protect.
7247 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7249 * emit-rtl.c (remove_unnecessary_notes): Remove.
7250 (pass_remove_unnecessary_notes): Remove.
7251 * rtl.h (remove_unnecessary_notes): Remove prototype.
7252 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7253 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7254 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7256 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7259 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7260 (valid_in_set): Handle ARRAY_REF.
7261 Change "if min_variant or VH" to asserts.
7262 (create_component_ref_by_pieces): Handle ARRAY_REF.
7263 (create_expression_by_pieces): Likewise.
7264 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7266 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7268 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7269 is operand of switch, not str[0].
7271 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7273 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7274 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7276 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7278 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7279 end of insn_extra_address_constraint declaration.
7281 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7283 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7284 (no-sum-in-toc): Same.
7285 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7287 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7288 NO_FP_IN_TOC for -fPIC instead of mask.
7290 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7291 (BOOT_LDFLAGS): Delete.
7293 * config/rs6000/t-aix52: Same.
7295 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7296 (stmsi[345678]_power): New.
7298 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7300 * config/ia64/ia64.opt: Add empty line to end of file.
7302 2006-03-17 Richard Guenther <rguenther@suse.de>
7305 * builtins.c (get_pointer_alignment): For component style references
7306 adjust alignment to the component type alignment. Make sure
7307 to adjust alignment for component access of constants.
7309 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7311 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7314 2006-03-17 Paul Brook <paul@codesourcery.com>
7316 * doc/install.texi: Docuemnt --with-mode.
7317 * config.gcc: Add --with-mode for arm*-*-*.
7318 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7320 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7322 * sh.c (max_labelno_before_reorg): New variable.
7323 (sh_reorg): Initialize it.
7324 (find_barrier): Check max_labelno_before_reorg before using
7325 label_to_alignment. Take length of explicit alignment insns
7326 into account. When seeing a UNSPECV_CONST_END, return it.
7328 * sh.c (fixup_mova): Set mode of affected label to QImode.
7329 (untangle_mova): New function.
7330 (find_barrier): Use it. Check mode of label before decrementing
7332 (sh_reorg): Likewise.
7333 Set mode of all insns back to VOIDmode.
7335 * sh.c (MOVA_LABELREF): New macro.
7336 (mova_p, fixup_mova, sh_reorg): Use it.
7337 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7338 ADDR_DIFF_VEC matches mova.
7340 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7342 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7343 with ATTRIBUTE_UNUSED.
7345 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7347 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7348 pointer, instead of assuming it is possible to derive the
7349 correct args size from a call insn.
7351 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7353 * rtl.h (CONST_INT_P): Define.
7354 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7355 instead of GET_CODE(x) == CONST_INT.
7356 (vax_rtx_costs): Likewise.
7357 (vax_output_int_move): Likewise.
7358 (vax_output_int_add): Likewise.
7359 (legitimate_constant_address_p): Likewise.
7360 (index_term_p): Likewise.
7361 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7362 * config/vax/vax.md (and<mode>3): Likewise.
7363 (ashrsi3): Likewise.
7365 (movstricthi): Likewise.
7366 (movstrictqi): Likewise.
7367 (rotrsi3): Likewise.
7368 (five unnamed insns): Likewise.
7370 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7372 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7373 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7374 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7375 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7376 Pass to ASM_OUTPUT_DWARF_OFFSET.
7377 * dwarf2out.c (debug_frame_section): New.
7378 (output_call_frame_info): Use debug_frame_section. Pass it to
7379 dw2_asm_output_offset.
7380 (output_die): Pass appropriate section to dw2_asm_output_offset.
7381 (output_compilation_unit_header): Likewise.
7382 (output_pubnames): Likewise.
7383 (output_aranges): Likewise.
7384 (enum dw_val_class): Break dw_val_class_lbl_offset into
7385 dw_val_class_lineptr and dw_val_class_macptr.
7386 (add_AT_lbl_offset): Delete.
7387 (add_AT_lineptr): New.
7388 (add_AT_macptr): New.
7389 (AT_lbl): Expect a lineptr or macptr.
7390 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7391 (attr_checksum): Likewise.
7392 (same_dw_val_p): Likewise.
7393 (size_of_die): Likewise.
7394 (value_format): Likewise.
7395 (output_die): Likewise.
7396 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7398 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7399 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7400 * config/darwin-protos.h (darwin_file_start): New.
7401 (darwin_asm_output_dwarf_offset): New.
7402 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7403 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7405 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7406 if not EH section; simplify.
7407 (darwin_file_start): New.
7408 (darwin_asm_output_dwarf_offset): New.
7409 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7411 (DEBUG_INFO_SECTION): Likewise.
7412 (DEBUG_ABBREV_SECTION): Likewise.
7413 (DEBUG_ARANGES_SECTION): Likewise.
7414 (DEBUG_MACINFO_SECTION): Likewise.
7415 (DEBUG_LINE_SECTION): Likewise.
7416 (DEBUG_LOC_SECTION): Likewise.
7417 (DEBUG_PUBNAMES_SECTION): Likewise.
7418 (DEBUG_STR_SECTION): Likewise.
7419 (DEBUG_RANGES_SECTION): Likewise.
7420 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7421 (ASM_OUTPUT_DWARF_OFFSET): New.
7423 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7425 * config.gcc (tm_defines): Always add to previous value rather
7428 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7430 * config/mips/predicates.md (splittable_const_int_operand): New,
7431 split from move_operand.
7432 (splittable_symbolic_operand): New.
7433 (move_operand): Add commentary. Use splittable_const_int_operand.
7434 Inline mips_atomic_symbolic_constant_p.
7435 * config/mips/mips.md: Add combine splitters for handling moves
7436 of splittable_const_int_operands and splittable_symbolic_operands.
7437 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7438 (mips_split_symbol): Declare.
7439 (mips_move_integer): Declare.
7440 * config/mips/mips.c (mips_split_p): Make global.
7441 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7442 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7443 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7444 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7445 (mips_offset_within_object_p): Handle block symbols.
7446 (mips_atomic_symbolic_constant_p): Delete.
7447 (mips_cannot_force_const_mem): Return false for constants that
7448 mips_legitimize_move can handle.
7449 (mips_use_blocks_for_constant_p): New function.
7450 (mips_split_symbol): Make global.
7451 (mips_move_integer): Likewise. Add a temporary register argument.
7452 (mips_legitimize_const_move): Use splittable_const_int_operand and
7453 splittable_symbolic_operand.
7454 (mips_use_anchors_for_symbol_p): New function.
7455 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7456 (mips_split_p): Declare.
7458 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7460 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7461 (mips*-*-linux*): Likewise.
7463 2006-03-16 Roger Sayle <roger@eyesopen.com>
7464 Daniel Speyer <dspeyer@wam.umd.edu>
7467 * tree-dump.c (dump_real): New function.
7468 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7469 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7470 (tree-dump.o): Add $(REAL_H) to the dependencies.
7472 2006-03-16 Roger Sayle <roger@eyesopen.com>
7475 * real.c (real_from_string): If the mantissa is zero, don't bother
7476 parsing the exponent as the result should always be zero.
7478 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7480 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7482 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7484 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7485 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7486 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7487 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7488 ia64_sched_finish_global): New static functions to implement
7489 hooks from gcc_target.sched.
7490 (spec_check_no, max_uid, pending_data_specs): New static variables.
7491 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7492 ia64_spec_check_src_p): New static functions.
7493 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7494 (TARGET_SCHED_ADJUST_COST): Removed.
7495 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7496 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7497 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7498 TARGET_SCHED_GEN_CHECK,
7499 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7500 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7501 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7502 Fixed to handle speculation checks.
7503 (rtx_needs_barrier): Fixed to handle speculative loads and
7505 (ia64_variable_issue): Added code to count speculative loads and their
7507 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7509 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7511 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7513 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7514 (ia64_reorg): Reset stops_p to NULL after it is freed.
7515 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7516 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7517 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7519 (data_speculative, control_speculative, check_load): New attributes.
7520 (mov<mode>_advanced, mov<mode>_speculative,
7521 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7522 zero_extend<mode>di2_speculative,
7523 zero_extend<mode>di2_speculative_advanced): New patterns for
7524 data and control speculative loads.
7525 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7527 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7528 New pattern for data and control speculation checks.
7529 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7530 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7531 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7532 Auxiliary definitions for the patterns.
7533 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7534 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7536 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7538 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7539 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7540 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7541 New resource constraints.
7542 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7544 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7545 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7546 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7547 msched-in-control-spec, msched-ldc, msched-control-ldc,
7548 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7549 msched-prefer-non-control-spec-insns,
7550 msched-count-spec-in-critical-path): New flags to tune speculative
7552 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7553 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7554 msched-in-control-spec, msched-ldc, msched-control-ldc,
7555 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7556 msched-prefer-non-control-spec-insns,
7557 msched-count-spec-in-critical-path): Document new flags.
7559 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7561 * target.h (struct spec_info_def): New opaque declaration.
7562 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7563 speculate_insn, needs_block_p, gen_check,
7564 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7565 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7566 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7567 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7568 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7569 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7571 (TARGET_SCHED): Use new macros.
7572 * rtl.h (copy_DEPS_LIST_list): New prototype.
7573 * sched-int.h (struct sched_info): Change signature of new_ready field,
7574 adjust all initializations. New fields: add_remove_insn,
7575 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7576 region_head_or_leaf_p.
7577 (struct spec_info_def): New structure declaration.
7578 (spec_info_t): New typedef.
7579 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7580 recovery_block, orig_pat.
7581 (glat_start, glat_end): New variables declaraions.
7582 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7584 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7585 DETACH_LIFE_INFO, USE_GLAT.
7586 (enum SPEC_SCHED_FLAGS): New enumeration.
7587 (NOTE_NOTE_BB_P): New macro.
7588 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7589 attach_life_info, debug_spec_status, check_reg_live): New functions.
7590 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7591 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7593 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7594 * ddg.c (get_block_head_tail): Adjust all uses.
7595 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7596 (sms_sched_info): Initialize new fields.
7597 (contributes_to_priority): Removed.
7598 * haifa-sched.c (params.h): New include.
7599 (get_block_head_tail): Adjust all uses.
7600 (ISSUE_POINTS): New macro.
7601 (glat_start, glat_end): New global variables.
7602 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7603 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7604 old_last_basic_block, before_recovery, current_sched_info_var,
7605 rgn_n_insns, luid): New static variables.
7606 (insn_cost1): New function. Move logic from insn_cost to here.
7607 (find_insn_reg_weight1): New function. Move logic from
7608 find_insn_reg_weight to here.
7609 (reemit_notes, move_insn, max_issue): Change signature.
7610 (move_insn1): Removed.
7611 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7612 extend_bb): New static functions to support extension of scheduler's
7614 (generate_recovery_code, process_insn_depend_be_in_spec,
7615 begin_speculative_block, add_to_speculative_block,
7616 init_before_recovery, create_recovery_block, create_check_block_twin,
7617 fix_recovery_deps): New static functions to support
7618 generation of recovery code.
7619 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7620 restore_bb_notes, move_block_after_check, move_succs): New static
7621 functions to support ebb scheduling.
7622 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7623 functions to support handling of register live information.
7624 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7625 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7626 add_jump_dependencies): New static functions.
7627 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7628 consistancy checking.
7629 (debug_spec_status): New function to call from debugger.
7630 (priority): Added code to handle speculation checks.
7631 (rank_for_schedule): Added code to distinguish speculative instructions.
7632 (schedule_insn): Added code to handle speculation checks.
7633 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7634 Fixed to handle ebbs.
7635 (move_insn): Added code to handle ebb scheduling.
7636 (max_issue): Added code to use ISSUE_POINTS of instructions.
7637 (choose_ready): Added code to choose between speculative and
7638 non-speculative instructions.
7639 (schedule_block): Added code to handle ebb scheduling and scheduling of
7640 speculative instructions.
7641 (sched_init): Initialize new variables.
7642 (sched_finish): Free new variables. Print statistics.
7643 (try_ready): Added code to handle speculative instructions.
7644 * lists.c (copy_DEPS_LIST_list): New function.
7645 * sched-deps.c (extend_dependency_caches): New function. Move logic
7646 from create_dependency_caches to here.
7647 (get_dep_weak, ds_merge): Make global.
7648 * genattr.c (main): Code to output prototype for
7649 dfa_clear_single_insn_cache.
7650 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7651 (output_dfa_clean_insn_cache_func): Code to output
7652 dfa_clear_single_insn_cache function.
7653 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7655 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7657 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7658 New static variables.
7659 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7660 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7662 (ebb_sched_info): Initialize new fields.
7663 (get_block_head_tail): Adjust all uses.
7664 (compute_jump_reg_dependencies): Fixed to use glat_start.
7665 (schedule_ebb): Code to remove unreachable last block.
7666 (schedule_ebbs): Added code to update register live information.
7667 * sched-rgn.c (region_sched_info): Initialize new fields.
7668 (get_block_head_tail): Adjust all uses.
7669 (last_was_jump): Removed. Adjust users.
7670 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7671 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7672 Implement new hooks.
7673 (check_dead_notes1): New static function.
7674 (struct region): New fields: dont_calc_deps, has_real_ebb.
7675 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7676 (BB_TO_BLOCK): Fixed to handle EBBs.
7677 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7678 (ebb_head): New static variable.
7679 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7680 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7682 (compute_dom_prob_ps): New assertion.
7683 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7684 global_live_at_start.
7685 (init_ready_list): New assertions.
7686 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7687 (new_ready): Add support for BEGIN_CONTROL speculation.
7688 (schedule_insns): Fixed code that updates register live information
7690 (schedule_region): Fixed to handle EBBs.
7691 (init_regions): Use extend_regions and check_dead_notes1.
7692 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7693 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7694 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7695 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7696 TARGET_SCHED_GEN_CHECK,
7697 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7698 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7699 * doc/invoke.texi (max-sched-insn-conflict-delay,
7700 sched-spec-prob-cutoff): Document.
7702 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7704 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7705 inter_tick, queue_index.
7706 (struct sched_info): Change signature of init_ready_list field.
7707 Adjust all initializations.
7708 (RESOLVED_DEPS): New access macro.
7709 (ready_add): Remove prototype.
7710 (try_ready): Add prototype.
7711 * sched-rgn.c (init_ready_list): Use try_ready.
7712 (schedule_region): Initialize
7713 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7714 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7715 (init_ready_list): Use try_ready.
7716 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7717 * lists.c (remove_list_elem): Remove `static'.
7718 (remove_free_INSN_LIST_elem): New function.
7719 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7720 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7721 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7723 (readyp): New variable.
7724 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7725 change_queue_index, resolve_dep): New static functions.
7726 (try_ready): New function. Adjust callers in sched-rgn.c and
7727 sched-ebb.c to use it instead of ready_add.
7728 (clock_var): Move at the begining of file.
7729 (rank_for_schedule): Fix typo.
7730 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7731 (ready_lastpos): Enforce assertion.
7732 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7734 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7735 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7736 (queue_to_ready): Use free_INSN_LIST_list.
7737 (early_queue_to_ready): Fix typo.
7738 (schedule_block): Init readyp. Move init_ready_list call after the
7739 initialization of clock_var. Fix error in rejecting insn by
7740 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7741 that previously corrected INSN_TICKs. Add code for handling
7743 (set_priorities): Fix typo.
7744 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7745 Clarify comment and code that keeps current_sched_info->next_tail
7748 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7750 * sched-rgn.c (extend_rgns): New static function.
7751 (find_rgns): Use it.
7752 (gather_region_statistics, print_region_statistics): New static
7754 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7755 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7757 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7758 Andrey Belevantsev <abel@ispras.ru>
7760 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7761 * lists.c (unused_deps_list): New variable.
7762 (free_list): Add assertions to verify the proper distinguishing
7763 between INSN_LISTs and DEPS_LISTs.
7764 (find_list_elem, remove_list_elem, remove_list_node): New static
7766 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7767 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7768 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7769 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7771 (free_INSN_LIST_node): Likewise.
7772 * modulo-sched.c (current_sched_info): Initialize flags field.
7773 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7774 * rtl.def (DEPS_LIST): Define.
7775 * rtl.h: Declare new functions from lists.c.
7776 * sched-deps.c (spec_dependency_cache): New static variable.
7777 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7778 (add_dependence): Change return type to void. Move the logic to ...
7779 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7780 (delete_all_dependences): Add comment about forward_dependency_cache.
7781 Handle spec_dependency_cache. Handle DEPS_LISTs.
7782 (fixup_sched_groups): Clarify the change of priority of output
7783 and anti dependencies.
7784 (sched_analyze_2): Adjust add_dependence calls to create data
7785 speculative dependence.
7786 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7787 Adjust all callers. Handle DEPS_LISTS.
7788 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7789 presence of speculation.
7790 (init_dependency_caches, free_dependency_caches):
7791 Handle spec_dependency_cache.
7792 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7793 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7794 New static functions.
7795 (add_or_update_back_dep, add_or_update_back_forw_dep,
7796 add_back_forw_dep, delete_back_forw_dep): New functions.
7797 * sched-int.h (ds_t, dw_t): New typedefs.
7798 (struct sched_info): Add new field flags.
7799 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7800 Prototype new sched-deps.c functions.
7801 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7802 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7803 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7804 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7805 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7806 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7808 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7810 * sched-rgn.c (current_sched_info): Initialize flags field.
7811 (schedule_insns): Initialize current_sched_info before the sched_init
7813 * sched-ebb.c (current_sched_info): Initialize flags field.
7814 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7815 Call add_or_update_back_dep instead of add_dependence.
7816 Create control speculative dependencies.
7817 (schedule_insns): Initialize current_sched_info before the sched_init
7820 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7822 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7824 (sh_fallback_frame_state): Likewise.
7826 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7828 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7829 Do switch on default_use_cxa_atexit.
7830 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7831 * config/darwin-crt3.o: New.
7832 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7833 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7834 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7836 * config/rs6000/t-darwin: Move crt2.o building to here.
7837 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7838 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7841 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7843 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7844 from '! xxx' to '!xxx' for coding-style conformance.
7845 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7846 (EXTRA_CONSTRAINT): Likewise.
7847 * config/vax/vax.md (four unnamed insns): Likewise.
7849 2006-03-15 Paul Brook <paul@codesourcery.com>
7851 * config/arm/arm.c (minipool_pad): New.
7852 (add_minipool_forward_ref): Include pool alignment padding in address
7854 (push_minipool_fix): Set minipool_pad.
7855 (minipool_pad): Ditto.
7857 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7859 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7860 instead of GET_CODE() == MEM and REG_P() instead of
7862 (print_operand_address): Likewise.
7863 (vax_address_cost): Likewise.
7864 (vax_rtx_costs): Likewise.
7865 (vax_notice_update_cc): Likewise.
7866 (vax_output_int_add): Likewise.
7867 (INDEX_REGISTER_P): Likewise.
7868 (BASE_REGISTER_P): Likewise.
7869 (nonindexed_address_p): Likewise.
7870 (vax_mode_dependent_address_p): Likewise.
7871 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7872 (PRINT_OPERAND): Likewise.
7873 * config/vax/vax.md (ashlsi3): Likewise.
7874 (ashlsi3): Likewise.
7875 (some more unnamed insns): Likewise.
7877 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7879 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7880 iterator-style macro.
7881 (mark_control_dependent_edges_necessary): Update the use of
7882 EXECUTE_IF_CONTROL_DEPENDENT.
7884 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7886 * config/sh/predicates.md (cache_address_operand): Special.
7887 (ua_address_operand): Likewise.
7889 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7891 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7893 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7895 2006-03-15 Andreas Schwab <schwab@suse.de>
7897 * gensupport.c (identify_predicable_attribute): Don't free p_false
7898 when it is still in use.
7900 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7902 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7903 the default setting here.
7905 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7907 * tree-pass.h (pass_cfg): Remove.
7908 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7909 * passes.c (pass_cfg): Don't run it.
7911 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7913 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7914 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7916 (stack_regs_mentioned): Update the uses of
7917 stack_regs_mentioned_data. Don't access the array beyond its
7919 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7920 Don't include gt-reg-stack.h.
7922 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7923 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7925 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7928 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7931 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7933 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7935 2006-03-14 Richard Guenther <rguenther@suse.de>
7937 PR tree-optimization/26672
7938 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7941 2006-03-14 Richard Guenther <rguenther@suse.de>
7943 PR tree-optimization/26667
7944 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7945 node for the callees. Always allow inlining if it will shrink
7948 2006-03-14 Richard Guenther <rguenther@suse.de>
7951 * builtins.c (get_pointer_alignment): Prefer alignment
7952 information from decls over that from types.
7954 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7957 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7959 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7961 * config/rs6000/rs6000.opt (mdlmzb): New option.
7962 (msched-prolog, msched-epilog): Use Var not Mask.
7963 * doc/invoke.texi (-mdlmzb): Document.
7964 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7966 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7967 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7969 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7971 PR rtl-optimization/25739
7972 * bt-load.c (augment_live_range): Free tos pointer.
7974 * gensupport.c (identify_predicable_attribute): Free
7976 * gcov.c (create_file_names): Free name pointer.
7978 2006-03-13 Roger Sayle <roger@eyesopen.com>
7981 * stmt.c (emit_case_nodes): Handle the case where the index is a
7982 CONST_INT, where the comparison mode is specified by the index type.
7984 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7986 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7989 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7991 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7992 (*branch_fp_inverted): Likewise.
7994 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7997 * omp-low.c (expand_omp_for_generic): Mark istart0
7998 and iend0 as addressable.
8000 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8002 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8004 2006-03-13 Jeff Law <law@redhat.com>
8006 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8007 virtual operands are interesting.
8008 (vrp_visit_stmt): Corresponding changes.
8010 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8012 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8014 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8015 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8016 * config/bfin/crti.S: Use it instead of __PIC__.
8017 * config/bfin/crtn.S: Likewise.
8019 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8020 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8022 Lose 'G' modifier for call operand.
8023 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8024 recognize 'G' modifier.
8026 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8029 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8030 * stmt.c (expand_case): Likewise.
8032 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8034 PR rtl-optimization/26254
8035 * loop-invariant.c (seq_insns_valid_p): New function.
8036 (move_invariant_reg): Only emit new code if it is valid.
8038 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8040 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8042 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8043 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8044 (commit_one_edge_insertion): Do not look for loop notes.
8046 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8048 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8049 flag_test_coverage out of loop.
8051 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8053 * final.c (shorten_branches): Remove outdated comment, and turn
8054 the if branch that guards it to continue.
8056 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8058 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8059 * cfgloop.h (struct loop): Remove unused fields.
8061 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8063 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8064 (-dL, -fdump-rtl-loop2): Update the dump file names
8066 * doc/invoke.texi: Update dump file names.
8068 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8070 * predict.c (estimate_probability): Remove.
8071 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8072 * basic-block.h (estimate_probability): Remove prototype.
8073 * passes.c (finish_optimization_passes): Dump branch prediction or
8074 profiling heuristics to the .profile tree dump.
8075 (init_optimization_passes): Unqueue pass_branch_prob.
8077 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8079 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8081 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8082 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8084 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8086 * function.h (frame_offset_overflow): Declare.
8087 * function.c (frame_offset_overflow): New function.
8088 (assign_stack_local_1): Call it to detect that the offset overflows.
8089 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8091 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8093 * config/sh/sh.c: Include alloc-pool.h.
8094 (label_ref_list_pool): New alloc pool.
8095 (label_ref_list_t): New type for lists of labels.
8096 (struct pool_node): Make wend a label_ref_list_t.
8097 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8099 (dump_table): Likewise.
8100 (sh_reorg): Set up the alloc pool before using add_constant and
8101 dump_table, and destroy it when finishing.
8103 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8105 * config/mips/mips.c: Remove redundant comment.
8107 2006-03-10 Jason Merrill <jason@redhat.com>
8110 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8111 the target was declared 'register'.
8113 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8115 * genpreds.c (write_insn_constraint_len): Change definition of
8116 insn_constraint_len to return size_t to match the declaration.
8118 2006-03-10 DJ Delorie <dj@redhat.com>
8120 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8122 (m32c_expand_insv): Fix test for an AND mask.
8124 2006-03-10 Richard Guenther <rguenther@suse.de>
8127 * builtins.c (get_pointer_alignment): Handle component
8128 references for field alignment.
8130 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8132 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8133 when building with libgloss.
8134 (sh*elf): Implement --without-fp option.
8135 (sh64-superh-linux*): Don't multilib.
8137 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8139 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8141 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8143 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8144 Set it when one of the replacement functions returned true.
8145 Return TODO_cleanup_cfg if cfgchanged is true.
8146 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8148 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8150 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8151 instead of gen_lowpart.
8153 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8155 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8157 (mips_output_order_conditional_branch): Declare.
8158 * config/mips/mips.h (MIPS_BRANCH): New macro.
8159 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8160 for the comparison. Use gen_condjump.
8161 (mips_output_conditional_branch): Rework interface to take the
8162 asm templates for a direct branch and the inverse of a direct branch.
8163 (mips_output_order_conditional_branch): New function.
8164 (mips_builtin_branch_and_move): New function.
8165 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8166 branch condition. Use gen_single_cc as the condition for
8167 __builtin_mips_upper_* or __builtin_mips_lower_*.
8168 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8169 Use VOIDmode for the branch condition.
8170 * config/mips/predicates.md (order_operator): New predicate.
8171 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8172 (branch_fp): Rename to...
8173 (*branch_fp): ...this. Remove mode from comparison operator.
8174 Use new mips_output_conditional_branch interface.
8175 (branch_fp_inverted): Rename to...
8176 (*branch_fp_inverted): ...this and update as for *branch_fp.
8177 (*branch_zero<mode>): Rename to...
8178 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8179 Use mips_output_order_conditional_branch. Only accept ordered
8181 (*branch_zero<mode>_inverted): Rename to...
8182 (*branch_order<mode>_inverted): ...this and update as for
8183 *branch_order<mode>.
8184 (*branch_equality<mode>): Accept zero as the second operand to
8185 the equality operator. Use the new mips_output_conditional_branch
8187 (*branch_equality<mode>_inverted): Likewise.
8188 (condjump): New expander.
8189 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8191 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8192 (bc1any2t, bc1any2f): Likewise.
8193 (single_cc): New expander.
8194 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8196 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8198 * doc/md.texi: Update documentation of MIPS constraints.
8199 * config/mips/constraints.md: New file.
8200 * config/mips/mips.md: Include it.
8201 * config/mips/mips.c (mips_char_to_class): Delete.
8202 (override_options): Don't initialize mips_char_to_class.
8203 * config/mips/mips.h (mips_char_to_class): Delete.
8204 (REG_CLASS_FROM_LETTER): Delete.
8205 (CONST_OK_FOR_LETTER_P): Delete.
8206 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8207 (EXTRA_CONSTRAINT_Y): Delete.
8208 (EXTRA_CONSTRAINT_STR): Delete.
8209 (CONSTRAINT_LEN): Delete.
8210 (EXTRA_MEMORY_CONSTRAINT): Delete.
8212 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8214 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8215 original fn's eh regions.
8217 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8219 * fold-const.c (build_range_check): Make sure to use a valid type to
8220 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8223 (range_predecessor): New static function.
8224 (range_successor): Likewise.
8225 (merge_ranges): Use them to compute predecessors and successors of
8228 2006-03-09 Roger Sayle <roger@eyesopen.com>
8231 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8232 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8234 2006-03-08 DJ Delorie <dj@redhat.com>
8236 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8237 (addpsi3): Expand to include memory operands. Remove
8238 reload-specific splits.
8239 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8240 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8241 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8242 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8243 (shift1_qi, shift1_hi, insv): New.
8244 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8245 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8246 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8248 * config/m32c/m32c-protos.h: Update as needed.
8249 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8250 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8251 Fail for unrecognized R* constraints.
8252 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8253 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8254 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8256 (m32c_init_libfuncs): New.
8257 (m32c_legitimate_address_p): Add debug wrapper.
8258 (m32c_rtx_costs): New.
8259 (m32c_address_cost): New.
8260 (conversions): Add 'B' prefix.
8261 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8262 operands, or word regnames for QI operands. 'B' prints bit
8264 (m32c_expand_setmemhi): New.
8265 (m32c_expand_movmemhi): New.
8266 (m32c_expand_movstr): New.
8267 (m32c_expand_cmpstr): New.
8268 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8269 (m32c_expand_neg_mulpsi3): Handle non-ints.
8270 (m32c_cmp_flg_0): New.
8271 (m32c_expand_movcc): New.
8272 (m32c_expand_insv): New.
8273 (m32c_scc_pattern): New.
8274 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8275 a0/a1 out of SIregs.
8276 (STORE_FLAG_VALUE): New.
8277 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8280 * config/m32c/mov.md: Make constraints more liberal.
8281 (zero_extendqihi2): Optimize r0/r1 case.
8282 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8283 * config/m32c/predicates.md (m32c_any_operand): New.
8284 (m32c_nonimmediate_operand): New.
8285 (m32c_hl_operand): New.
8286 (m32c_r3_operand): New.
8289 (memsym_operand): New.
8290 (memimmed_operand): New.
8291 (a_qi_operand): New.
8292 (m32c_eqne_operator): New.
8293 (m32c_1bit8_operand): New.
8294 (m32c_1bit16_operand): New.
8295 (m32c_1mask8_operand): New.
8296 (m32c_1mask16_operand): New.
8297 * config/m32c/blkmov.md: New file.
8298 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8300 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8302 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8303 unsigned to fix signed/unsigned comparison issue in
8304 DWARF2_FRAME_REG_OUT.
8305 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8306 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8308 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8309 of ptr into the ENABLE_CHECKING section.
8311 2006-03-08 Jeff Law <law@redhat.com>
8313 * tree-vrp.c (infer_value_range): Only count pointer uses
8314 and dereferences if -fdelete-null-pointer-checks is enabled.
8316 * tree-vrp.c (find_assert_locations): Infer value ranges for
8317 single use pointers, but do not create ASSERT_EXPRs for them.
8318 When a non-null range is inferred for a pointer, backwards
8319 propagate that range to other equivalent pointers through the
8322 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8325 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8326 language hook targets.
8327 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8328 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8329 if language hook targets were missing.
8331 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8333 * tree-ssa-opfinalize.h: Removed.
8334 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8336 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8337 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8338 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8339 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8340 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8341 finalize_ssa_v_must_def_ops): New.
8343 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8345 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8348 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8350 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8352 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8353 addresses with offsets; reorganize.
8355 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8356 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8357 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8359 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8362 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8364 2006-03-08 Ben Elliston <bje@au.ibm.com>
8366 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8368 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8371 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8374 2006-03-07 Richard Guenther <rguenther@suse.de>
8376 PR tree-optimization/26587
8377 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8379 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8381 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8383 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8385 * hooks.c (hook_bool_mode_rtx_true): New function.
8386 * hooks.h (hook_bool_mode_rtx_true): Declare.
8387 * toplev.c (compile_file): Call output_shared_constant_pool.
8388 * varasm.c (shared_constant_pool): New variable.
8389 (assemble_start_function, assemble_end_function): Remove arguments
8390 from call to output_constant_pool.
8391 (create_constant_pool): New function, split out from...
8392 (init_varasm_status): ...here.
8393 (force_const_mem): Choose between the shared and per-function constant
8394 pools. Set current_function_uses_const_pool when reusing old entries
8395 as well as when creating new ones.
8396 (mark_constant): Ignore data argument.
8397 (mark_constants): Remove pool argument.
8398 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8399 to decide whether the function uses a constant pool.
8400 (output_constant_pool_contents): New function, split out from...
8401 (output_constant_pool): ...here.
8402 (output_shared_constant_pool): New function.
8403 (init_varasm_once): Initialize shared_constant_pool.
8404 * output.h (output_constant_pool): Delete.
8405 (output_shared_constant_pool): Declare.
8406 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8407 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8409 2006-03-06 Nick Clifton <nickc@redhat.com>
8411 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8412 flag_strength_reduce.
8414 2006-03-06 Ben Elliston <bje@au.ibm.com>
8416 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8417 x86_64-*-linux* configurations.
8419 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8420 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8422 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8424 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8426 * basic-block.h: Remove the extern for
8427 rediscover_loops_after_threading.
8429 * cfgloop.c (cancel_loop): Make it static.
8430 * cfgloop.h: Remove the prototype for cancel_loop.
8432 * flow.c (recompute_reg_usage): Make it static.
8433 * rtl.h: Remove the prototype for recompute_reg_usage.
8435 * function.c (use_return_register): Make it static.
8436 * function.h: Remove the prototype.
8438 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8440 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8442 * recog.h: Remove the prototype for
8443 validate_change_maybe_volatile.
8445 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8447 * rtlanal.c (replace_reg): Remove.
8448 * rtl.h: Remove the prototype for replace_reg.
8450 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8452 * regclass.c (reg_scan_update): Remove.
8453 (reg_scan_mark_refs): Remove the last argument.
8454 * rtl.h: Remove the prototype for reg_scan_update.
8456 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8458 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8459 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8460 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8461 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8462 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8463 loop-invariant.c, omp-low.c, opts.c, passes.c,
8464 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8465 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8466 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8467 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8468 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8469 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8471 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8473 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8474 * dwarf2out.h: Remove the prototype for
8475 dwarf2out_add_library_unit_info.
8477 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8479 * tree.c (add_var_to_bind_expr): Remove.
8480 * tree.h: Remove the prototype for add_var_to_bind_expr.
8482 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8484 * regclass.c (n_non_fixed_regs): Remove.
8485 (init_reg_sets_1, globalize_reg): Remove all uses of
8487 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8489 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8491 * rtlanal.c (insns_safe_to_move_p): Remove.
8492 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8494 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8496 * expmed.c (expand_mult_add): Remove.
8497 * expr.h: Remove the prototype for expand_mult_add.
8499 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8501 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8502 and REG_SAVED_VAL_EXP constants.
8503 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8504 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8505 Handle regs stored by value.
8506 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8507 (execute_cfa_program): Handle DW_CFA_val_offset,
8508 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8509 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8510 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8511 (uw_install_context_1): Handle target regs stored by value.
8513 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8515 * tree-sra.c (tree_sra): Return todoflags;
8516 (generate_one_element): Set TODO_update_smt_usage if needed.
8517 (pass_sra): Remove TODO_update_smt_usage.
8518 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8520 (tree_ssa_forward_propagate_single_use_vars): Return
8521 TODO_update_smt_usage if we need to update SMT usage.
8522 (pass_forwprop): Remove TODO_update_smt_usage.
8524 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8526 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8527 (correct_use_link): Remove reference to get_stmt_operands.
8528 (update_stmt_operands): Likewise.
8529 (get_modify_expr_operands): New function factored out of
8530 parse_ssa_operands and get_expr_operands.
8531 Try to create V_MUST_DEFs for LHS by default.
8532 (get_expr_operands) <case MODIFY_EXPR>: Call
8533 get_modify_expr_operands.
8534 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8535 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8536 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8537 get_modify_expr_operands.
8539 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8541 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8542 * tree-flow.h: Remove the prototype for
8543 referenced_var_lookup_if_exists.
8545 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8547 PR rtl-optimization/26345
8549 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8551 2006-03-03 Roger Sayle <roger@eyesopen.com>
8553 PR tree-optimization/26524
8554 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8555 fold_convert to create a constant of the appropriate type.
8557 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8559 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8560 SYMBOL_REF_IN_BLOCK_P.
8561 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8562 of SYMBOL_FLAG_IN_BLOCK.
8563 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8564 instead of SYMBOL_REF_IN_BLOCK_P.
8565 * explow.c (use_anchored_address): Likewise.
8566 * rtl.c (rtx_size): Likewise.
8567 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8568 instead of SYMBOL_FLAG_IN_BLOCK.
8569 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8570 SYMBOL_REF_IN_BLOCK_P.
8571 (assemble_variable): Likewise.
8572 (output_constant_def_contents): Likewise.
8573 (output_constant_pool): Likewise.
8574 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8575 instead of SYMBOL_FLAG_IN_BLOCK.
8576 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8577 SYMBOL_REF_IN_BLOCK_P.
8578 (SYMBOL_REF_BLOCK): Likewise.
8579 (SYMBOL_REF_OFFSET): Likewise.
8580 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8581 SYMBOL_REF_IN_BLOCK_P.
8582 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8583 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8584 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8585 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8587 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8589 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8591 2006-03-02 Roger Sayle <roger@eyesopen.com>
8593 * simplify-rtx.c (simplify_unary_operation): When simplifying
8594 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8595 that we perform the right shift in the appropriate mode, and
8596 then extend or truncate the result to requested mode.
8598 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8600 * gengtype.c (main): Handle double_int type.
8601 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8602 * double-int.c: New file.
8603 * double-int.h: New file.
8604 * system.h: Include doubleint.h.
8605 * Makefile.in (SYSTEM_H): Include double-int.h.
8606 (double-int.o): Add.
8608 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8611 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8614 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8616 * tree-vrp.c (remove_range_assertions): Do not update statements
8619 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8621 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8623 * gcse.c (rest_of_handle_gcse): Ditto.
8624 * except.c (gate_handle_eh): Ditto.
8625 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8626 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8628 2006-03-02 Eric Christopher <echristo@apple.com>
8630 * config/i386/i386.c (machopic_output_stub): Add indirection to
8633 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8637 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8639 Sun Niagara specific optimizations.
8640 * config.gcc: Recognize niagara as target.
8641 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8642 (TARGET_CPU_niagara): Define.
8643 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8644 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8645 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8646 (ASM_CPU_SPEC): Likewise.
8647 (PROCESSOR_NIAGARA): New enum entry.
8648 (REGISTER_MOVE_COST): Handle Niagara.
8649 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8650 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8651 (sparc_override_options): Recognize "niagara", set appropriate
8652 default MASK_* values for it, and align functions to 32-bytes
8653 by default just like ULTRASPARC/ULTRASPARC3.
8654 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8655 (sparc64_initialize_trampoline): Likewise.
8656 (sparc_use_sched_lookahead): Use zero for niagara.
8657 (sparc_issue_rate): Use one for niagara.
8658 * config/sparc/niagara.md: New file.
8659 * config/sparc/sparc.md: Include it.
8660 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8661 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8662 when default cpu is niagara.
8663 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8664 (ASM_CPU_SPEC): Likewise.
8665 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8666 when default cpu is niagara.
8667 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8668 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8669 just like v9/ultrasparc/ultrasparc3.
8670 * doc/invoke.texi: Add documentation for "niagara" and improve
8671 existing documentation for ultrasparc variants.
8673 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8675 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8677 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8679 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8680 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8681 and say that only one is needed.
8682 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8683 * target.h (have_switchable_bss_sections): New hook.
8684 * explow.c (use_anchored_address): Check that the symbol is in a block.
8685 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8686 (bss_noswitch_section): New variables.
8687 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8688 (get_noswitch_section): New function.
8689 (get_block_for_section): Allow SECT to be null.
8690 (unlikely_text_section_p): Use SECTION_STYLE.
8691 (bss_initializer_p): New function.
8692 (get_variable_section): Move earlier in file. Take a new argument,
8693 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8694 Return one of the new *_sections in such cases.
8695 (get_block_for_decl): New function, extracting some logic from
8696 use_blocks_for_decl_p.
8697 (change_symbol_section): Remove in favor of...
8698 (change_symbol_block): ...this new function.
8699 (use_blocks_for_decl_p): Remove checks now performed by
8701 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8702 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8703 (emit_local, emit_bss, emit_common): ...these new functions.
8704 Return true if the alignment was honored.
8705 (emit_tls_common): New function.
8706 (asm_emit_uninitialised): Delete.
8707 (assemble_variable_noswitch): New function, split out from...
8708 (assemble_variable): ...here. Don't make decisions about common
8709 variables here. Globalize all public decls that go into non-common
8710 sections. Check whether SYMBOL_REF_BLOCK is null.
8711 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8712 (output_constant_pool): Likewise.
8713 (init_varasm_once): Initialize the new section variables.
8714 (have_global_bss_p): New function.
8715 (categorize_decl_for_section): Use bss_initializer_p.
8716 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8717 (place_block_symbol): Assert that the symbol must be in a block.
8718 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8719 (TARGET_INITIALIZER): Include it.
8720 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8721 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8722 (SECTION_MACH_DEP): Bump by two.
8723 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8724 (unnamed_section): Mention SECTION_UNNAMED in comment.
8725 (named_section): Likewise SECTION_NAMED.
8726 (noswitch_section_callback): New type.
8727 (noswitch_section): New structure.
8728 (section): Add a noswitch_section alternative.
8729 (SECTION_STYLE): New macro.
8730 (tls_comm_section, comm_section, lcomm_section): Declare.
8731 (bss_noswitch_section, have_global_bss_p): Declare.
8732 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8733 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8735 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8736 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8739 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8741 * tree-vrp.c (execute_vrp): Return value.
8742 * regrename.c (rest_of_handle_regrename): Ditto.
8743 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8744 * tree-complex.c (tree_lower_complex): Ditto.
8745 (tree_lower_complex_O0): Ditto.
8746 * tracer.c (rest_of_handle_tracer): Ditto.
8747 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8748 * postreload.c (rest_of_handle_postreload): Ditto.
8749 * tree-tailcall.c (execute_tail_recursion): Ditto.
8750 (execute_tail_calls): Ditto.
8751 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8752 * tree.h (init_function_for_compilation): Ditto.
8753 * ipa-cp.c (ipcp_driver): Ditto.
8754 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8755 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8756 * final.c (compute_alignments): Ditto.
8757 (rest_of_handle_final): Ditto.
8758 (rest_of_handle_shorten_branches): Ditto.
8759 (rest_of_clean_state): Ditto.
8760 * omp-low.c (execute_expand_omp): Ditto.
8761 (execute_lower_omp): Ditto.
8762 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8763 * ipa-reference.c (static_execute): Ditto.
8764 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8765 * reorg.c (rest_of_handle_delay_slots): Ditto.
8766 (rest_of_handle_machine_reorg): Ditto.
8767 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8768 * flow.c (recompute_reg_usage): Ditto.
8769 (rest_of_handle_remove_death_notes): Ditto.
8770 (rest_of_handle_life): Ditto.
8771 (rest_of_handle_flow2): Ditto.
8772 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8773 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8774 (do_ssa_store_ccp): Ditto.
8775 (execute_fold_all_builtins): Ditto.
8776 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8777 * modulo-sched.c (rest_of_handle_sms): Ditto.
8778 * ipa-pure-const.c (static_execute): Ditto.
8779 * cse.c (rest_of_handle_cse): Ditto.
8780 (rest_of_handle_cse2): Ditto.
8781 * web.c (rest_of_handle_web): Ditto.
8782 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8783 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8784 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8785 * tree-nrv.c (tree_nrv): Ditto.
8786 (execute_return_slot_opt): Ditto.
8787 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8788 (create_structure_vars): Ditto.
8789 * loop-init.c (rtl_loop_init): Ditto.
8790 (rtl_loop_done): Ditto.
8791 (rtl_move_loop_invariants): Ditto.
8792 (rtl_unswitch): Ditto.
8793 (rtl_unroll_and_peel_loops): Ditto.
8794 (rtl_doloop): Ditto.
8795 * gimple-low.c (lower_function_body): Ditto.
8796 (mark_used_blocks): Ditto.
8797 * tree-ssa-sink.c (execute_sink_code): Ditto.
8798 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8799 (cgraph_early_inlining): Ditto.
8800 * global.c (rest_of_handle_global_alloc): Ditto.
8801 * jump.c (cleanup_barriers): Ditto.
8802 (purge_line_number_notes): Ditto.
8803 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8804 (rest_of_handle_if_after_reload): Ditto.
8805 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8806 (tree_ssa_loop_im): Ditto.
8807 (tree_ssa_loop_unswitch): Ditto.
8808 (tree_vectorize): Ditto.
8809 (tree_linear_transform): Ditto.
8810 (tree_ssa_loop_ivcanon): Ditto.
8811 (tree_ssa_empty_loop): Ditto.
8812 (tree_ssa_loop_bounds): Ditto.
8813 (tree_complete_unroll): Ditto.
8814 (tree_ssa_loop_prefetch): Ditto.
8815 (tree_ssa_loop_ivopts): Ditto.
8816 (tree_ssa_loop_done): Ditto.
8817 * predict.c (tree_estimate_probability): Ditto.
8818 * recog.c (split_all_insns_noflow): Ditto.
8819 (rest_of_handle_peephole2): Ditto.
8820 (rest_of_handle_split_all_insns): Ditto.
8821 * tree-eh.c (lower_eh_constructs): Ditto.
8822 * regmove.c (rest_of_handle_regmove): Ditto.
8823 (rest_of_handle_stack_adjustments): Ditto.
8824 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8825 * function.c (instantiate_virtual_regs): Ditto.
8826 (init_function_for_compilation): Ditto.
8827 (rest_of_handle_check_leaf_regs): Ditto.
8828 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8829 (rest_of_handle_gcse): Ditto.
8830 * ipa-type-escape.c (type_escape_execute): Ditto.
8831 * alias.c (rest_of_handle_cfg): Ditto.
8832 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8833 * profile.c (rest_of_handle_branch_prob): Ditto.
8834 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8835 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8836 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8837 * tree-dfa.c (find_referenced_vars): Ditto.
8838 * except.c (set_nothrow_function_flags): Ditto.
8839 (convert_to_eh_region_ranges): Ditto.
8840 (rest_of_handle_eh): Ditto.
8841 * emit-rtl.c (unshare_all_rtl): Ditto.
8842 (remove_unnecessary_notes): Ditto.
8843 * except.h (set_nothrow_function_flags): Ditto.
8844 (convert_to_eh_region_ranges): Ditto.
8845 * cfgexpand.c (tree_expand_cfg): Ditto.
8846 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8847 * tree-ssa-pre.c (do_pre): Ditto.
8848 (execute_fre): Ditto.
8849 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8850 (rest_of_handle_jump2): Ditto.
8851 * tree-sra.c (tree_sra): Ditto.
8852 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8853 (execute_mudflap_function_decls): Ditto.
8854 * tree-ssa-copy.c (do_copy_prop): Ditto.
8855 (do_store_copy_prop): Ditto.
8856 * ipa-prop.h (ipcp_driver): Ditto.
8857 * cfglayout.c (insn_locators_initialize): Ditto.
8858 * tree-ssa-forwprop.c
8859 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8860 * cfglayout.h (insn_locators_initialize): Ditto.
8861 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8862 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8863 (execute_late_warn_uninitialized): Ditto.
8864 * rtl.h (cleanup_barriers): Ditto.
8865 (split_all_insns_noflow): Ditto.
8866 (purge_line_number_notes): Ditto.
8867 (unshare_all_rtl): Ditto.
8868 (remove_unnecessary_notes): Ditto.
8869 (recompute_reg_usage): Ditto.
8870 (variable_tracking_main): Ditto.
8871 * integrate.c (emit_initial_value_sets): Ditto.
8872 * integrate.h (emit_initial_value_sets): Ditto.
8873 * tree-optimize.c (execute_free_datastructures): Ditto
8874 (execute_free_cfg_annotations): Ditto.
8875 (execute_fixup_cfg): Ditto.
8876 (execute_cleanup_cfg_pre_ipa): Ditto.
8877 (execute_cleanup_cfg_post_optimizing): Ditto.
8878 (execute_init_datastructures): Ditto.
8879 * tree-object-size.c (compute_object_sizes): Ditto.
8880 * combine.c (rest_of_handle_combine): Ditto.
8881 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8882 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8883 (rest_of_handle_reorder_blocks): Ditto.
8884 (rest_of_handle_partition_blocks): Ditto.
8885 * var-tracking.c (variable_tracking_main): Ditto.
8886 * tree-profile.c (tree_profiling): Ditto.
8887 * tree-vect-generic.c (expand_vector_operations): Ditto.
8888 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8889 * sched-rgn.c (rest_of_handle_sched): Ditto.
8890 (rest_of_handle_sched2): Ditto.
8891 * basic-block.h (free_bb_insn): Ditto.
8892 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8893 * tree-cfg.c (execute_build_cfg): Ditto.
8894 (remove_useless_stmts): Ditto.
8895 (split_critical_edges): Ditto.
8896 (execute_warn_function_return): Ditto.
8897 (execute_warn_function_noreturn): Ditto.
8898 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8899 * cfgrtl.c (free_bb_for_insn): Ditto.
8900 * passes.c (execute_one_pass): Run additional
8901 todos returned by execute function.
8902 * tree-pass.h (struct tree_opt_pass): Make execute
8905 2006-03-02 Richard Guenther <rguenther@suse.de>
8907 * tree-ssa-alias.c (find_used_portions): Consider taking
8908 the address as making the variable not write-only.
8910 2006-03-02 Nick Clifton <nickc@redhat.com>
8912 * config.gcc (default_use_cxa_atexit): Extend the description of
8913 this configure variable. Set its default value to "yes" for
8914 Linux, NetBSD and ELF targets on the assumption that they will
8915 use C libraries with the __cxa_atexit function.
8917 2006-03-02 Ben Elliston <bje@au.ibm.com>
8919 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8920 parameter as unused to suppress a build warning.
8922 2006-03-02 Ben Elliston <bje@au.ibm.com>
8924 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8927 2006-03-01 Roger Sayle <roger@eyesopen.com>
8930 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8931 declared name, the weak reference name, and the typeof name.
8932 (__gthrw): Avoid expanding the declared name suffix.
8933 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8935 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8937 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8939 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8940 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8941 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8942 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8943 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8944 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8945 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8946 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8947 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8948 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8949 (DW_END_default, DW_END_big, DW_END_little): New.
8950 (DW_END_lo_user, DW_END_hi_user): Define.
8951 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8952 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8953 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8956 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8958 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8960 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8962 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8964 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8966 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8967 to 'symbol_mem_tag'.
8969 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8972 2006-03-01 Roger Sayle <roger@eyesopen.com>
8974 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8976 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8979 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8980 MACHO_DYNAMIC_NO_PIC_P.
8981 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8983 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8986 * config/darwin-protos.h (darwin_asm_output_anchor):
8988 * config/darwin-sections.def (cstring_section):
8989 Add SECTION_MERGE to the flags.
8990 (literal4_section): Likewise.
8991 (literal8_section): Likewise.
8992 (objc_selector_refs_section): Likewise.
8993 (objc_cls_refs_section): Likewise.
8994 * config/darwin.c (darwin_asm_output_anchor): New
8996 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8998 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9000 Fix PR tree-optimization/26443
9001 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9002 to todo and PROP_tmt_usage to properties_destroyed.
9003 * tree-ssa-ccp.c (pass_ccp): Ditto.
9004 (pass_store_ccp): Ditto.
9005 * tree-ssa-dom.c (pass_dominator): Ditto.
9007 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9009 * tree-ssa-operands.c: Cleanup whitespace.
9010 (get_asm_expr_operands): Move before first invocation.
9011 (get_indirect_ref_operands): Likewise.
9012 (get_tmr_operands): Likewise.
9013 (get_call_expr_operands): Likewise.
9014 (append_def): Likewise.
9015 (append_use): Likewise.
9016 (append_v_may_def): Likewise.
9017 (append_v_must_def): Likewise.
9018 (add_call_clobber_ops): Likewise.
9019 (add_call_read_ops): Likewise.
9020 (add_stmt_operand): Likewise.
9021 (add_virtual_operand): Likewise.
9022 (build_ssa_operands): Likewise.
9024 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9029 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9030 with a call expr to ...
9031 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9033 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9035 * tree-vrp.c (extract_range_from_assert): Remove special
9036 handling for types with super-types.
9038 2006-03-01 Ben Elliston <bje@au.ibm.com>
9040 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9041 and powerpc64-*-linux* configurations.
9042 * config/t-dfprules: New file.
9044 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9045 Compile dfp-bit.c from the source directory using -DWIDTH and
9046 $DFP_CFLAGS to control the compilation of that file, rather than
9047 generating width-specific versions in the build directory.
9048 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9049 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9051 2006-02-28 Zack Weinberg <zackw@panix.com>
9053 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9056 2006-02-28 Eric Christopher <echristo@apple.com>
9058 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9059 Set up IN_LIBGCC definition of TARGET_64BIT.
9060 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9062 2006-02-28 Roger Sayle <roger@eyesopen.com>
9065 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9066 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9067 cases via the construction of "expr != 0".
9069 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9071 * alias.c (alias_invariant, alias_invariant_size): Remove.
9072 (record_base_value): Remove.
9073 (memrefs_conflict_p): Don't look at alias_invariant.
9074 (end_alias_analysis): Don't free it.
9075 * alias.h (record_base_value): Remove prototype.
9077 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9078 Adam Nemet <anemet@caviumnetworks.com>
9080 * rtl.h (truncated_to_mode): Declare it.
9081 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9082 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9083 (RTL_HOOKS_INITIALIZER): Include it.
9084 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9085 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9086 reg_truncated_to_mode.
9087 * rtlanal.c (truncated_to_mode): Define it.
9088 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9090 2006-02-28 Jeff Law <law@redhat.com>
9092 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9093 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9094 the range allowed by TYPE_PRECISION.
9096 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9098 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9100 PR tree-optimization/26419
9101 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9104 2006-02-27 Zack Weinberg <zackw@panix.com>
9106 * doc/md.texi: Fix typo in previous change.
9108 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9112 2006-02-27 Zack Weinberg <zackw@panix.com>
9114 * rtl.def (define_constraint, define_register_constraint)
9115 (define_memory_constraint, define_address_constraint): New MD forms.
9116 * gensupport.c (process_rtx): Put define_constraint etc on the
9118 * genpreds.c (process_define_predicate): Adjust comment. Validate
9119 the name, and call validate_exp to validate the expression.
9120 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9121 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9122 all callers changed.
9123 (validate_exp, needs_variable, struct constraint_data)
9124 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9125 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9126 (const_dbl_constraints, constraint_max_namelen)
9127 (have_register_constraints, have_memory_constraints)
9128 (have_address_constraints, have_address_constraints)
9129 (have_extra_constraints, have_const_int_constraints)
9130 (have_const_dbl_constraints, mangle, add_constraint)
9131 (process_define_constraint, process_define_register_constraint)
9132 (write_enum_constraint_num, write_lookup_constraint)
9133 (write_insn_constraint_len, write_regclass_for_constraint)
9134 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9135 (write_insn_extra_memory_constraint)
9136 (write_insn_extra_address_constraint)
9137 (write_satisfies_constraint_fns): New.
9138 (write_tm_preds_h): If we have new-style constraint definitions,
9139 prototype the functions generated from them, and define the
9140 old constraint interface (still used by generic code) in terms of
9142 (write_insn_preds_c): If we have new-style constraint definitions,
9143 generate all relevant functions from those definitions.
9144 (main): Handle define_constraint etc.
9145 * genoutput.c (struct constraint_data, indep_constraints)
9146 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9147 (mdep_constraint_len): New data structures and functions, defined
9148 #ifdef USE_MD_CONSTRAINTS.
9149 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9150 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9151 use new logic to validate operand constraints against constraint
9153 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9155 * defaults.h: If none of the old-style constraint macros are
9156 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9157 old-style macros; and poison REG_CLASS_FROM_LETTER,
9158 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9160 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9161 * doc/md.texi: Document new constraint-definition mechanism and the
9162 C interface it provides. Remove references to old mechanism
9163 elsewhere in the document.
9164 (Machine Constraints): Use pathnames relative to gcc directory,
9165 i.e. config/ARCH/FILE. Change i386 section to refer to
9166 config/i386/predicates.md; update that section to match docstrings.
9167 * doc/tm.texi: Move all documentation of the old constraint-
9168 definition macros to their own section, clearly mark as obsolete.
9170 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9171 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9173 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9174 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9175 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9177 (splits and peepholes): Use satisfies_constraint_*.
9178 * config/i386/i386.c (memory_address_length)
9179 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9181 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9183 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9184 scalar operation to be put back into the loop.
9186 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9189 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9190 (extract_cie_info): Handle S flag in augmentation string.
9191 (execute_cfa_program): If context->signal_frame, execute also
9192 fs->pc == context->ra instructions.
9193 (uw_frame_state_for): If context->signal_frame, don't subtract one
9194 from context->ra to find FDE.
9195 (uw_update_context_1): Set context->signal_frame to
9197 (_Unwind_GetIPInfo): New function.
9198 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9199 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9201 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9202 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9203 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9204 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9205 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9206 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9207 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9208 x86_64_fallback_frame_state): Set fs->signal_frame.
9209 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9210 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9211 (frob_update_context): Likewise. Workaround missing S flag in
9212 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9213 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9214 Remove the psw_addr + 1 hack.
9216 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9218 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9219 with aggregates here.
9220 (find_func_aliases): Remove code for &<aggregate> from here.
9222 2006-02-26 Roger Sayle <roger@eyesopen.com>
9224 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9225 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9226 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9229 2006-02-26 Roger Sayle <roger@eyesopen.com>
9232 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9234 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9236 * opts.c (decode_options): Do not handle flag_strength_reduce.
9237 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9238 and OPT_fstrength_reduce.
9239 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9240 flag_prefetch_loop_arrays for being nonzero.
9241 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9243 (fprefetch-loop-arrays-rtl): Removed.
9244 (flag_prefetch_loop_arrays): Do not specify the value.
9246 * doc/passes.texi: Update documentation of loop optimizer
9248 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9249 -frerun-loop-opt): Remove.
9251 2006-02-26 Richard Guenther <rguenther@suse.de>
9253 PR tree-optimization/26421
9254 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9255 in function calls that are ADDR_EXPRs as using the whole structure.
9257 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9259 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9260 * tree-pass.h (pass_loop_optimize): Remove.
9261 * passes.c (pass_loop_optimize): Never run it.
9262 * toplev.c (backend_init): Don't call init_loop.
9263 * opts.c (flag_loop_optimize_set): Remove.
9264 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9265 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9266 the old RTL loop optimizer when profiling enabled.
9267 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9268 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9269 pre-headers for the sake of the old RTL loop optimizer.
9270 * Makefile.in: Remove all references to loop.o.
9272 * doc/invoke.texi: Remove all references to -floop-optimize
9273 and -frerun-loop-opt.
9275 2006-02-26 Zack Weinberg <zackw@panix.com>
9277 * doc/md.texi (Machine Constraints): Refer to all files with paths
9278 relative to gcc directory (i.e. config/CPU/file). Add missing
9279 @table @code ... @end table to M32C subsection.
9281 2006-02-26 Roger Sayle <roger@eyesopen.com>
9283 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9285 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9287 2006-02-26 Roger Sayle <roger@eyesopen.com>
9288 James A. Morrison <phython@gcc.gnu.org>
9291 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9292 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9293 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9294 signedness of the shift operation.
9296 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9298 PR tree-optimization/26359
9299 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9301 2006-02-25 Roger Sayle <roger@eyesopen.com>
9303 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9304 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9305 as X == 0, and some symmetry related transformations.
9306 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9308 2006-02-25 Roger Sayle <roger@eyesopen.com>
9311 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9312 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9313 symmetry related transformations. Fold (X^C1) == C2 as
9316 2006-02-25 Juergen Weigert <jw@suse.de>
9317 Richard Guenther <rguenther@suse.de>
9319 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9321 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9323 * combine.c (gen_lowpart_or_truncate): Call
9324 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9326 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9328 * doc/invoke.texi: Move -fopenmp description to "Options for
9330 Remove reference to -lgomp.
9332 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9334 * doc/install.texi: Require GNU tar version 1.14.
9336 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9338 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9339 * doc/invoke.texi (C++ Dialect Options): Document
9340 -fno-use-cxa-get-exception-ptr.
9341 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9342 * configure: Regenerate.
9343 * c.opt (fuse-cxa-get-exception-ptr): New.
9344 * c-opts.c (c_common_handle_option): Handle
9345 OPT_fuse_cxa_get_exception_ptr.
9346 * c-common.c (flag_use_cxa_atexit): Update documentation.
9347 (flag_use_cxa_get_exception_ptr): New.
9348 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9349 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9351 (C_COMMON_OVERRIDE_OPTIONS): New.
9353 2006-02-24 Roger Sayle <roger@eyesopen.com>
9356 * combine.c (try_combine): Explicitly check whether GET_CODE is
9357 a SET or a CLOBBER, instead on checking that it isn't a USE.
9359 2006-02-24 Roger Sayle <roger@eyesopen.com>
9361 * fold-const.c (fold_comparison): New subroutine of fold_binary
9362 containing transformations common to both the equality and
9363 ordering relational operators, factored out of fold_binary.
9364 (fold_binary): Separate out the equality operators (EQ_EXPR
9365 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9366 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9367 transformations common to both.
9368 (fold_div_compare): Fix latent bugs in the previously unreachable
9369 LT_EXPR and GE_EXPR cases.
9371 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9373 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9374 decl libname for clog to __clog on AIX.
9376 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9378 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9381 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9382 output traceback table for thunks. Localise rs6000_stack_info call.
9384 2006-02-23 Roger Sayle <roger@eyesopen.com>
9385 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9387 * gthr-posix.h (__gthrw): Fix typo in comment.
9389 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9391 * doc/cpp.texi (Character sets): Document that we do support
9392 input files to be in any character set.
9394 2006-02-23 Jeff Law <law@redhat.com>
9396 * tree.h (PHI_ARG_NONZERO): Remove.
9397 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9398 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9399 node to the new node.
9401 PR tree-optimization/26425
9402 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9403 min/max, then assume its varying.
9405 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9407 PR rtl-optimization/26316
9408 * rtlanal.c (enum may_trap_p_flags): New.
9409 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9410 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9411 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9412 (may_trap_after_code_motion_p): New function.
9413 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9414 (find_invariant_insn): Use may_trap_after_code_motion_p.
9415 * rtl.h (may_trap_after_code_motion_p): Declare.
9417 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9419 * emit-rtl.c (immed_double_const): Cleanup.
9421 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9423 Fix PR tree-optimization/26376
9424 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9427 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9430 * gimplify.c (omp_add_variable): Guard variable size decl test with
9431 DECL_SIZE (decl) check.
9433 2006-02-23 Richard Guenther <rguenther@suse.de>
9436 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9437 like aggregate types.
9439 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9441 * configure.ac: Add --with{,out}-long-double-128 configure option.
9442 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9443 * configure: Rebuilt.
9444 * config.in: Rebuilt.
9445 * doc/install.texi (Options specification): Document
9446 --with-long-double-128.
9448 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9449 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9450 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9451 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9453 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9455 * config/s390/s390.c (override_options): Handle
9456 TARGET_DEFAULT_LONG_DOUBLE_128.
9458 * config/alpha/alpha.c (override_options): Handle
9459 TARGET_DEFAULT_LONG_DOUBLE_128.
9461 * config/sparc/sparc.c (sparc_override_options): Handle
9462 TARGET_DEFAULT_LONG_DOUBLE_128.
9464 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9466 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9467 (real-install-headers-tar, real-install-headers-cpio)
9468 (real-install-headers-cp): New targets.
9470 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9472 * tree.h (variable_section): Delete.
9473 * varasm.c (variable_section): Delete.
9475 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9477 * install.texi: Add notes on install.texi2html.
9478 (Building in parallel): Do not use footnotes.
9480 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9483 * doc/install.texi (Configuration): Document --disable-libgomp.
9485 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9487 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9489 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9491 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9492 (vec_extractv2df_0_sse): New.
9494 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9496 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9497 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9498 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9499 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9500 to the result of the expression.
9501 (def_cfa_1): Adjust.
9502 (frame_pointer_cfa_offset): Rename to...
9503 (frame_pointer_fb_offset): ... this. Adjust all uses.
9504 (convert_cfa_to_loc_list): Rename to...
9505 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9506 Pass it on to build_cfa_loc.
9507 (compute_frame_pointer_to_cfa_displacement): Rename to...
9508 (compute_frame_pointer_to_fb_displacement): ... this. New
9509 offset parameter. Use it in computation.
9510 (gen_subprogram_die): Compute cfa_fb_offset with the new
9511 macro, and use it to compute the fb loc list and the
9514 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9516 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9517 replaced with register_operand.
9518 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9519 non-DREG is expensive.
9520 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9521 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9524 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9526 * doc/install.texi2html: Use set -e.
9528 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9530 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9531 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9532 * doc/invoke.texi (-fshared-data): Delete.
9533 * common.opt (fshared-data): Delete.
9534 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9535 (assemble_static_space): Remove #if 0 code.
9536 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9537 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9538 * config/cris/cris.h: Remove FIXME.
9540 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9542 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9545 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9548 * combine.c (simplify_shift_const_1): Disable nested shifts
9549 optimization for vector shifts.
9551 2006-02-20 Roger Sayle <roger@eyesopen.com>
9553 PR tree-optimization/26361
9554 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9555 of unsigned integer types.
9557 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9559 * tree-chrec.c (eq_evolutions_p): New.
9560 * tree-chrec.h (eq_evolutions_p): Declared.
9561 * tree-data-ref.c: Fix formatting.
9562 (datadep_stats, dependence_stats): New.
9564 (print_direction_vector): New.
9565 (dump_data_dependence_relation): Use print_direction_vector.
9566 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9567 (compute_subscript_distance): Static.
9568 (initialize_data_dependence_relation): Static. Get the number
9569 of loops surrounding the references from the callers, and initialize
9570 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9571 base_object_differ_p analyzers.
9572 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9573 compute_overlap_steps_for_affine_1_2,
9574 analyze_subscript_affine_affine): Count the classified dependences.
9575 Print a message when a test failed.
9576 (can_use_analyze_subscript_affine_affine): New.
9577 (analyze_siv_subscript): Compute the data dependences on symbolic
9578 scevs that verify can_use_analyze_subscript_affine_affine.
9579 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9580 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9581 Handle symbolic scevs.
9582 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9584 (subscript_dependence_tester): Moved...
9585 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9586 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9587 DDR_SIZE_VECT instead of getting it in parameter.
9588 (subscript_dependence_tester): ... here. Take as a parameter
9589 loop_nest_depth. Call build_classic_dist_vector and
9590 build_classic_dir_vector.
9591 (compute_affine_dependence): Update subscript_dependence_tester
9592 parameters. Update datadep_stats counters. Call
9593 compute_subscript_distance.
9594 (compute_self_dependence): Save the dist and dir vectors. Call
9595 compute_subscript_distance.
9596 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9597 (compute_all_dependences): Reorder parameters as they were before
9598 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9599 compute_subscript_distance. Update the use of
9600 compute_affine_dependence and initialize_data_dependence_relation.
9601 (find_data_references_in_loop): Handle COMPONENT_REF.
9602 (compute_data_dependences_for_loop): Initialize dependence_stats.
9603 Don't call build_classic_dist_vector and build_classic_dir_vector.
9604 Update the parameters of initialize_data_dependence_relation and
9605 compute_all_dependences. Print the statistics from datadep_stats.
9606 (analyze_all_data_dependences): Static. Not used until the pass for
9607 checking the data dependences is contributed.
9608 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9609 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9610 (initialize_data_dependence_relation, compute_affine_dependence,
9611 analyze_all_data_dependences, compute_subscript_distance): Removed.
9612 (print_direction_vector): New.
9613 * lambda.h (gcd): ... here.
9614 (lambda_vector_gcd): Moved here from gcd_vector.
9615 * lambda-code.c (gcd, gcd_vector): Removed.
9616 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9617 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9619 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9621 * ipa-type-escape.c: Tidy some comments and white space.
9622 * tree-ssa-operands.c: Likewise.
9624 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9627 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9628 (dump_decl_name): Do not walk the decl tree chains.
9629 * tree-pass.h (TDF_CHAIN): Remove.
9631 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9633 * Makefile.in (C): Remove
9635 (.PHONY): Remove C and PROTO
9637 2006-02-20 Roger Sayle <roger@eyesopen.com>
9640 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9641 deprecated CHAR_TYPE tree code.
9643 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9645 * configure.ac (target_list): Add install-info, dvi, html.
9646 * configure: Regenerate.
9648 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9649 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9650 treelang/Make-lang.in: Do not use double-colon rules.
9652 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9654 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9655 (TMT_USED_ALONE): New macro.
9656 * tree-pass.h (PROP_tmt_usage): New property.
9657 (TODO_update_tmt_usage): New todo.
9658 * tree-ssa-alias.c (updating_used_alone): New variable.
9659 (recalculate_used_alone): New function.
9660 (compute_may_aliases): Set updating_used_alone, call
9661 recalculate_used_alone.
9662 * tree-sra.c (pass_sra): Note that this pass destroys
9663 PROP_tmt_usage, and add TODO_update_tmt_usage.
9664 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9665 * tree-flow.h (updating_used_alone): Prototype.
9666 (recalculate_used_alone): Ditto.
9667 * passes.c (execute_todo): Add code to set updating_used_alone,
9668 and call recalculate.
9669 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9670 for clobber if used alone, and add assert to verify used_alone
9673 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9675 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9676 for non tls symbols added.
9677 (legitimize_address): Do nothing for PLUS expressions if one of the
9678 addends is a tls symbol reference.
9680 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9684 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9686 * Makefile.in (BOOTSTRAPPING): New.
9687 (quickstrap): New definition if BOOTSTRAPPING=yes.
9689 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9690 * configure.ac: Substitute all_selected_languages with the languages
9691 that were configured. For all the other variables except
9692 lang_specs_files, include all the languages in the tree.
9693 * configure: Regenerate.
9695 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9696 if there is one. Run the commands to run fixincludes in the same
9699 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9700 * doc/install.texi: Document exact conventions for searching target tools.
9701 Document --with-build-time-tools. Document toplevel bootstrap. Document
9702 something more about building an Ada cross-compiler. Don't list GNU Make
9703 requirements which affect all platforms.
9705 2006-02-19 Roger Sayle <roger@eyesopen.com>
9708 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9709 only equivalent if the have both the same mode and precision.
9711 2006-02-20 Ben Elliston <bje@au.ibm.com>
9713 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9715 2006-02-19 Roger Sayle <roger@eyesopen.com>
9716 Steven Bosscher <stevenb.gcc@gmail.com>
9718 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9719 constant pool references to identify stack mode constants.
9720 * rtlanal.c (constant_pool_constant_p): New predicate to check
9721 whether operand is a floating point constant in the pool.
9722 * rtl.h (constant_pool_constant_p): Prototype here.
9723 * loop.c (scan_loop): Avoid hoisting constants from the constant
9724 pool on STACK_REGS targets.
9725 (load_mems): Likewise.
9726 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9727 loads into x87 registers expensive in terms of register pressure.
9729 2006-02-19 Roger Sayle <roger@eyesopen.com>
9731 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9732 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9734 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9736 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9737 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9739 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9741 * doc/invoke.texi: Document -fipa-pta.
9742 * common.opt: Add ipa-pta option.
9743 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9744 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9745 (do_ds_constraint): Ditto.
9746 (get_constraint_for): Only add to referenced_vars if
9747 referenced_vars exists.
9748 (insert_into_field_list): Rewrite to do this unsorted.
9749 (insert_into_field_list_sorted): Rename old insert_into_field_list
9751 (create_function_info_for): Use insert_into_field_list_sorted.
9752 (create_variable_info_for): Rewrite so it uses unsorted version,
9753 since the field list is sorted.
9754 (intra_create_variable_infos): Only add to referenced_vars if
9755 referenced_vars exists.
9756 (ipa_pta_execute): Init heapvars, and delete when done.
9757 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9759 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9761 * doc/install.texi: Add missing `@samp'.
9763 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9765 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9768 2006-02-18 Mark Wielaard <mark@klomp.org>
9770 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9771 who added new 4.1 features, bug fixes and integration support.
9773 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9776 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9779 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9781 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9782 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9783 (copy_insn_1): Likewise. Don't copy each field individually.
9785 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9787 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9788 * rtl.c (rtx_size): Rename variable to...
9789 (rtx_code_size): ...this.
9790 (rtx_size): New function.
9791 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9792 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9794 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9795 * rtl.h (rtx_code_size): New variable.
9796 (rtx_size): Change from a variable to a function.
9797 (RTX_SIZE): Rename to...
9798 (RTX_CODE_SIZE): ...this.
9801 PR tree-optimization/17106
9802 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9803 (Anchored Addresses): New section.
9804 * doc/invoke.texi (-fsection-anchors): Document.
9805 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9806 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9807 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9808 * hooks.c (hook_bool_mode_rtx_false): New function.
9809 * hooks.h (hook_bool_mode_rtx_false): Declare.
9810 * gengtype.c (create_optional_field): New function.
9811 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9812 SYMBOL_REF_IN_BLOCK_P is true.
9813 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9814 (min_anchor_offset, max_anchor_offset): Likewise.
9815 (use_anchors_for_symbol_p): New hook.
9816 * toplev.c (compile_file): Call output_object_blocks.
9817 (target_supports_section_anchors_p): New function.
9818 (process_options): Check that -fsection-anchors is only used on
9819 targets that support it and when -funit-at-a-time is in effect.
9820 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9821 if the decl doesn't have one.
9822 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9823 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9824 of force_const_mem through use_anchored_address.
9825 (expand_expr_constant): New function.
9826 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9827 calling expand_expr for INDIRECT_REF.
9828 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9829 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9830 * expr.h (use_anchored_address): Declare.
9831 * loop-unroll.c: Don't declare rtx vectors here.
9832 * explow.c: Include output.h.
9833 (validize_mem): Call use_anchored_address.
9834 (use_anchored_address): New function.
9835 * common.opt (-fsection-anchors): New switch.
9836 * varasm.c (object_block_htab, anchor_labelno): New variables.
9837 (hash_section, object_block_entry_eq, object_block_entry_hash)
9838 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9839 (use_blocks_for_decl_p, change_symbol_section): New functions.
9840 (get_variable_section): New function, split out from assemble_variable.
9841 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9842 use_blocks_for_decl_p say so. Use change_symbol_section if the
9843 symbol has already been created.
9844 (assemble_variable_contents): New function, split out from...
9845 (assemble_variable): ...here. Don't output any code for
9846 block symbols; just pass them to place_block_symbol.
9847 Use get_variable_section and assemble_variable_contents.
9848 (get_constant_alignment, get_constant_section, get_constant_size): New
9849 functions, split from output_constant_def_contents.
9850 (build_constant_desc): Create a block symbol if use_object_blocks_p
9851 says so. Or into SYMBOL_REF_FLAGS.
9852 (assemble_constant_contents): New function, split from...
9853 (output_constant_def_contents): ...here. Don't output any code
9854 for block symbols; just pass them to place_section_symbol.
9855 Use get_constant_section and get_constant_alignment.
9856 (force_const_mem): Create a block symbol if use_object_blocks_p and
9857 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9858 (output_constant_pool_1): Add an explicit alignment argument.
9859 Don't switch sections here.
9860 (output_constant_pool): Adjust call to output_constant_pool_1.
9861 Switch sections here instead. Don't output anything for block symbols;
9862 just pass them to place_block_symbol.
9863 (init_varasm_once): Initialize object_block_htab.
9864 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9865 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9866 (place_block_symbol, get_section_anchor, output_object_block)
9867 (output_object_block_htab, output_object_blocks): New functions.
9868 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9869 (TARGET_ASM_OUT): Include it.
9870 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9871 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9872 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9873 (TARGET_INITIALIZER): Include them.
9874 * rtl.c (rtl_check_failed_block_symbol): New function.
9875 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9876 (block_symbol, object_block): New structures.
9877 (rtx_def): Add a block_symbol field to the union.
9878 (BLOCK_SYMBOL_CHECK): New macro.
9879 (rtl_check_failed_block_symbol): Declare.
9880 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9881 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9882 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9883 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9884 * output.h (output_section_symbols): Declare.
9885 (object_block): Name structure.
9886 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9887 (default_use_anchors_for_symbol_p): Declare.
9888 * Makefile.in (RTL_BASE_H): Add vec.h.
9889 (explow.o): Depend on output.h.
9890 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9891 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9892 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9893 (rs6000_use_blocks_for_constant_p): New function.
9895 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9897 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9899 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9902 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9905 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9907 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9911 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9914 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9915 instead of DECL_REGISTER.
9917 2006-02-18 Olivier Hainque <hainque@adacore.com>
9920 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9922 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9925 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9926 * opth-gen.awk: Handle Var and InverseMask together.
9927 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9928 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9929 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9930 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9932 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9933 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9934 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9935 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9936 LINUX_DYNAMIC_LINKER): Define.
9937 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9938 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9940 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9941 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9942 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9943 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9944 (TARGET_C99_FUNCTIONS): Don't define.
9945 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9946 GLIBC_DYNAMIC_LINKER.
9947 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9948 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9949 GLIBC_DYNAMIC_LINKER64): Define.
9950 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9951 LINUX_DYNAMIC_LINKER64.
9952 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9954 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9956 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9957 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9958 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9959 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9960 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9962 and LINUX_DYNAMIC_LINKER32.
9963 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9964 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9965 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9966 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9967 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9969 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9970 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9971 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9972 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9973 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9974 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9975 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9976 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9977 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9978 LINUX_DYNAMIC_LINKER): Define.
9979 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9980 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9981 GLIBC_DYNAMIC_LINKER64): Define.
9982 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9983 LINUX_DYNAMIC_LINKER64.
9984 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9985 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9986 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9987 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9988 LINUX_DYNAMIC_LINKER): Define.
9989 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9990 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9991 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9992 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9993 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9994 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9995 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9996 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9997 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9998 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9999 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10000 * doc/invoke.texi (-muclibc): Remove caveat about supported
10003 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10005 * doc/cpp.texi (__TIMESTAMP__): Document.
10007 2006-02-17 Roger Sayle <roger@eyesopen.com>
10009 PR middle-end/25600
10010 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10011 C is one less than the width of X (and related transformations).
10012 * simplify-rtx.c (simplify_unary_operation_1): Transform
10013 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10014 depending on STORE_FLAG_VALUE, were C is one less then the
10017 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10019 Fix PR tree-optimization/26341
10020 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10021 about NAME_MEMORY_TAG's.
10023 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10026 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10027 with hardware float support, and software float support. Add fcpy
10028 alternative to hardware patterns. Add alternatives to copy between
10029 general and floating-point registers to the 32-bit pattern.
10030 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10031 secondary reload to load a QI or HI mode constant into a floating
10033 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10034 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10036 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10039 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10041 (load_macho_picbase_di): Likewise.
10043 2006-02-16 Jeff Law <law@redhat.com>
10045 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10046 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10047 (ssa_name_nonzero_p): Likewise.
10048 (get_value_range): Return NULL if VRP is not running.
10049 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10050 VRP routines do not discover a range.
10051 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10052 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10053 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10054 (tree_expr_nonnegative_p): Similarly.
10055 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10056 (restore_nonzero_vars_to_original_value): Remove.
10057 (unsafe_associative_fp_binop): Remove.
10058 (tree_ssa_dominator_optimize): Remove initialization and
10059 finalization of nonzero_vars and nonzero_vars_stack.
10060 (dom_opt_initialize_block): No longer push marker on
10061 nonzero_vars_stack.
10062 (dom_opt_finalize_block): No longer call
10063 restore_nonzero_vars_to_original_value.
10064 (record_equivalences_from_phis): No longer look for
10065 nonzero PHI arguments.
10066 (cprop_into_successor_phis): No longer propagate nonzero
10067 property into PHI arguments. Lose unused argument. Caller
10069 (record_equivalences_from_stmt): No longer record nonzero
10070 values for SSA_NAMEs.
10071 (lookup_avail_expr): No longer use nonzero_vars.
10073 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10074 for sizetype when sizetype is unsigned.
10076 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10078 PR rtl-optimization/25603
10079 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10080 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10081 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10082 with new meaning of SETS.
10084 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10089 * config/linux.opt: New file.
10090 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10091 LINUX_DYNAMIC_LINKER): Define.
10092 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10093 * config.gcc (*-*-linux*): Define extra_options.
10094 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10095 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10096 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10097 GLIBC_DYNAMIC_LINKER.
10098 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10099 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10100 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10102 * doc/invoke.texi (GNU/Linux Options): New section.
10104 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10106 * config/sparc/sparc.md (setjmp): Rewrite.
10107 (setjmp_32): Delete.
10108 (setjmp_64): Likewise.
10110 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10112 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10115 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10117 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10120 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10122 PR rtl-optimization/26296
10123 * Makefile.in (loop-invariant.c): Add except.h dependency.
10124 * loop-invariant.c: Include except.h.
10125 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10127 2005-02-16 Paul Brook <paul@codesourcery.com>
10129 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10132 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10134 PR rtl-optimization/25636
10135 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10136 when deciding whether an insn is an initializing insn.
10138 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10140 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10141 (tree_code_size): Ditto.
10142 * tree.h (struct tree_memory_tag): Remove parent_var.
10143 (struct tree_struct_field_tag): New.
10146 (union tree_node): Add sft member.
10147 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10149 (create_sft): Add size and offset argument, set SFT_OFFSET and
10151 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10152 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10153 * tree-flow-inline.h (get_subvar_at): Update for
10154 SFT_OFFSET/SFT_SIZE.
10155 (var_can_have_subvars): Ditto.
10156 (overlap_subvar): Ditto.
10157 * print-tree.c (print_node): Print out interesting things for
10159 * tree-flow.h (struct subvar): Remove offset and size members.
10160 * tree-ssa-operands.c (get_expr_operands): Update for
10161 get_indirect_ref_operands changes.
10162 (get_indirect_ref_operands): Call add_virtual_operand instead of
10163 add_stmt_operand. Only recurse on base var if requested.
10164 (access_can_touch_variable): New function.
10165 (add_stmt_operand): Split virtual operand handling into ...
10166 (add_virtual_operand): Here. Add offset, size, and for_clobber
10167 arguments. Prune alias sets.
10168 (add_call_clobber_ops): Call add_virtual_operand.
10170 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10172 PR middle-end/26300
10173 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10175 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10176 than TREE_CODE as index into omp_clause_num_ops array.
10178 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10180 PR rtl-optimization/26184
10181 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10183 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10184 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10185 must_precede, must_follow and tobe_scheduled.
10188 * opts.c (common_handle_option): Free new_option pointer.
10189 * df-core.c (df_analyze): Free postorder pointer.
10191 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10193 * Makefile.in: Fix the examples about the use of stamps
10195 2006-02-15 Michael Matz <matz@suse.de>
10197 PR middle-end/22275
10199 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10200 influenced by maximum_field_alignment or DECL_PACKED.
10201 (update_alignment_for_field): Ditto.
10202 (place_field): Ditto.
10203 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10206 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10208 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10209 (debug_flow_info): Pass it.
10210 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10211 * bb-reorder.c (reorder_basic_blocks): Likewise.
10212 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10213 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10214 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10215 * gcse.c (gcse_main, bypass_jumps): Likewise.
10216 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10217 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10218 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10219 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10220 * rtl.h (dump_flow_info): Adjust prototype.
10221 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10222 * var-tracking.c (variable_tracking_main): Likewise.
10223 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10224 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10227 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10229 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10232 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10234 PR tree-optimization/26209
10235 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10236 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10238 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10240 2006-02-14 Roger Sayle <roger@eyesopen.com>
10242 PR middle-end/23670
10243 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10244 (X,Y) and the corresponding symmetry related transformations.
10245 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10246 (X,Y) and its symmetry related transformations.
10248 2006-02-14 Roger Sayle <roger@eyesopen.com>
10250 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10253 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10255 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10257 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10260 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10261 support COMDAT group.
10262 * configure: Regenerate.
10264 2006-02-14 Roger Sayle <roger@eyesopen.com>
10266 PR middle-end/26279
10267 PR middle-end/26280
10268 PR middle-end/26283
10269 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10271 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10273 Fix PR tree-optimization/26260
10275 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10277 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10278 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10279 * tree-ssa-structalias.c (create_variable_info_for): Use
10280 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10282 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10284 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10286 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10287 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10288 of the ending condition.
10289 * tree-ssa-loop-manip.c: Include params.h.
10290 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10291 tree_unroll_loop): New functions.
10292 * tree-pass.h (pass_loop_prefetch): Declare.
10293 * loop.c (rest_of_handle_loop_optimize): Test for
10294 -fprefetch-loop-arrays-rtl.
10295 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10296 * timevar.def (TV_TREE_PREFETCH): New timevar.
10297 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10298 pass_loop_prefetch): New.
10299 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10300 (cleanup_tree_cfg_loop): Call scev_reset.
10301 * common.opt (fprefetch-loop-arrays-rtl): Add.
10302 * tree-ssa-loop-prefetch.c: New file.
10303 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10304 (new_temp_expr_table): Initialize expr_vars.
10305 (free_temp_expr_table): Cleanup expr_vars.
10306 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10307 expressions from being merged into one.
10308 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10309 (struct tree_niter_desc): Add control, bound and cmp fields.
10310 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10312 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10313 (tree-cfgcleanup.o): Add SCEV_H dependency.
10314 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10315 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10317 2006-02-14 Richard Guenther <rguenther@suse.de>
10319 PR tree-optimization/26258
10320 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10321 in PHI argument processing.
10323 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10325 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10326 new expression in the requested machine mode.
10328 2006-02-13 Roger Sayle <roger@eyesopen.com>
10330 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10331 directly, instead let do_compare_rtx_and_jump handle this for us.
10332 * expr.c (expand_expr_real_1): Likewise.
10333 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10334 before do_jump_by_parts_greater.
10335 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10336 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10338 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10340 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10342 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10344 PR rtl-optimization/26235
10345 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10346 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10349 2006-02-13 Jeff Law <law@redhat.com>
10351 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10354 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10356 PR middle-end/26092
10357 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10358 twice if decl is a builtin. When trying again, call get_callee_fndecl
10359 first to verify it is still a builtin.
10361 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10363 * dwarf2out.c (base_type_die): Don't add AT_name here.
10364 (subrange_type_die): Don't add AT_name here.
10365 (modified_type_die): Rearrange code flow. Do add AT_name here.
10367 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10369 PR rtl-optimization/26247
10370 PR rtl-optimization/26248
10371 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10373 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10375 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10376 * config/fixtfdi.c: Likewise.
10377 * config/fixunstfdi.c: Likewise.
10378 * config/floatditf.c: Likewise.
10380 2006-02-13 Roger Sayle <roger@eyesopen.com>
10382 PR middle-end/24427
10383 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10384 into (X,C2) if C1 is a subset of the bits of C2. Transform
10385 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10387 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10389 2006-02-13 Josh Conner <jconner@apple.com>
10392 * varasm.c (function_section): Check for section name before
10393 calling select_section on targets that define
10394 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10395 unlikely_text_section instead of hot_function_section if
10396 first_function_block_is_cold.
10398 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10400 PR middle-end/25335
10401 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10403 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10405 PR rtl-optimization/26222
10406 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10407 after tree->rtl expansion.
10408 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10409 before passing it to emit_move_insn.
10411 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10413 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10415 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10416 Clarify documentation.
10417 * c-common.h (warn_write_strings): Remove.
10418 * c-common.c (warn_write_strings): Likewise.
10419 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10422 2006-02-12 Roger Sayle <roger@eyesopen.com>
10424 PR middle-end/25724
10425 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10426 (do_jump_parts_zero_rtx): New function renamed from
10427 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10428 (do_jump_parts_equality_rtx): New function split out from
10429 do_jump_parts_equality. Old implementation renamed as above.
10430 Call do_jump_parts_zero_rtx if either operand is zero.
10431 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10432 do all of the heavy lifting.
10433 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10434 calling either do_jump_by_parts_greater_rtx or
10435 do_jump_by_parts_equality_rtx.
10436 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10437 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10438 moved to do_compare_rtx_and_jump, call it directly.
10439 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10440 mode argument. Call do_compare_rtx_and_jump.
10441 (emit_case_nodes): Update calls to do_jump_if_equal.
10443 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10445 PR rtl-optimization/26225
10446 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10448 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10450 PR rtl-optimization/26232
10451 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10453 2006-02-11 Jason Merrill <jason@redhat.com>
10456 * tree-inline.c (declare_return_variable): Just don't use the
10457 modify target if it's a gimple complex reg and the return slot
10460 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10462 * doc/contrib.texi: Update my entry.
10464 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10466 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10468 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10470 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10473 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10475 * doc/invoke.texi (-floop-optimize2): Removed.
10476 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10477 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10478 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10479 * common.opt (floop-optimize2): Removed.
10480 (fmove-loop-invariants): Enabled by default.
10482 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10484 * tree-if-conv.c (combine_blocks): Free the result of
10485 get_loop_exit_edges.
10487 2006-02-10 Jeff Law <law@redhat.com>
10489 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10491 PR tree-optimization/26213
10492 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10493 loop trying to follow SSA_NAME_VALUE chains.
10495 2006-02-10 Richard Guenther <rguenther@suse.de>
10497 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10498 deal with structures that end in implicitly variable sized arrays.
10500 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10502 PR rtl-optimization/24762
10503 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10506 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10508 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10509 (struct ivopts_data): Add regs_used field.
10510 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10511 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10512 instead of loop_data->regs_used;
10513 (free_loop_data): Do not free aux fields for loops.
10514 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10515 and tree_ssa_iv_optimize_finalize.
10517 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10519 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10521 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10524 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10525 computing the effective result type.
10527 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10529 PR inline-asm/16194
10530 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10531 (tree_overlaps_hard_reg_set): Declare.
10532 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10533 type and signature to match function type expected by walk_tree.
10534 (tree_overlaps_hard_reg_set): New function.
10535 (decl_conflicts_with_clobbers_p): Rename to:
10536 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10537 Use tree_overlaps_hard_reg_set. Changed caller.
10538 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10539 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10540 * cris.c (cris_md_asm_clobbers): Likewise.
10542 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10544 * reload1.c (emit_input_reload_insns): Delete code that tries to
10545 inherit using find_equiv_reg.
10547 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10549 * c-common.h (flag_const_strings): Don't declare.
10550 * c-common.c (flag_const_strings): Remove.
10551 * c.opt (fconst_strings): Remove.
10552 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10553 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10554 (c_common_init_options): Don't set flag_const_strings.
10555 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10557 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10559 * arm.md (tlobits_cbranch): New pattern.
10560 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10561 testing a single bit.
10563 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10566 * tree-ssa-pre.c (create_component_ref_by_pieces):
10567 Handle RETURN_DECL like VAR_DECL.
10569 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10571 PR middle-end/26134
10572 * fold-const.c (fold_indirect_ref_1): Fold
10573 "*(foo *)&complexfoo" to "__real__ complexfoo"
10574 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10576 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10578 * tree-flow-inline.h (var_can_have_subvars):
10579 Volatile variables should not have subvariables.
10581 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10584 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10585 multiplying unsigned values.
10588 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10590 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10592 2006-02-08 Jason Merrill <jason@redhat.com>
10595 * tree.def: Elaborate on difference from MODIFY_EXPR.
10596 * doc/c-tree.texi (INIT_EXPR): Likewise.
10597 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10598 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10599 (gimplify_target_expr): Likewise.
10600 (gimplify_cond_expr): Remove target handling.
10601 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10602 (gimplify_expr): Clobber it here.
10603 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10604 Do return slot optimization if we have an INIT_EXPR.
10607 * tree-inline.c (declare_return_variable): Also clear
10608 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10611 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10613 PR middle-end/22439
10614 * gimplify.c (gimplify_one_sizepos): Fix typo.
10616 2006-02-08 Jeff Law <law@redhat.com>
10618 PR tree-optimization/21417
10619 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10620 across a backedge if the control statement at the end of the
10621 block is data dependent on other statements in the same block.
10622 (record_temporary_equivalences_from_stmts): Remove over-conservative
10623 test for threading across backedges.
10625 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10626 control statement, handle all three special cases in the same
10627 manner as they all have the same desired solution. No longer
10628 special case edge flag updating when the post dominator is
10631 2006-02-08 Roger Sayle <roger@eyesopen.com>
10633 * tree.def (CHAR_TYPE): Remove.
10634 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10635 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10636 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10637 (gen_string_type_die): Delete unreachable function.
10639 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10640 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10641 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10642 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10643 * builtins.c (type_to_class): Likewise.
10644 * fold-const.c (fold_convert, build_range_check,
10645 merge_ranges): Likewise.
10646 * expr.c (count_type_elements): Likewise.
10647 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10648 * stor-layout.c (layout_type): Likewise.
10649 * ipa-type-escape.c (type_to_consider): Likewise.
10650 * gimplify.c (omp_firstprivatize_type_sizes,
10651 gimplify_type_sizes): Likewise.
10652 * explow.c (promote_mode): Likewise.
10653 * tree-sra.c (is_sra_scalar_type): Likewise.
10654 * varasm.c (output_constant): Likewise.
10655 * tree-inline.c (remap_type_1): Likewise.
10656 * convert.c (convert_to_pointer, convert_to_real,
10657 convert_to_integer, convert_to_complex): Likewise.
10659 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10661 * df-scan.c (df_def_record_1): A set destination may
10662 be a parallel regardless of mode.
10664 2006-02-08 Roger Sayle <roger@eyesopen.com>
10667 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10668 * config/mips/_tilib.c: Remove.
10669 * config/fixtfdi.c: New libgcc source file.
10670 * config/fixunstfdi.c: New source file.
10671 * config/floatditf.c: New source file.
10672 * config/floatunditf.c: New souce file.
10673 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10674 files above instead of config/mips/_tilib.c.
10675 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10677 2006-02-08 Jeff Law <law@redhat.com>
10679 PR tree-optimization/26169
10680 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10683 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10685 * df.h (DF_REG_SIZE): Return the length of the initialized
10688 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10690 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10691 __muldf3): Return a correctly signed zero.
10693 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10695 * passes.c (register_one_dump_file): Accept the current properties
10696 instead of pass number. Adjust call to dump_register. Remove
10698 (register_dump_files): Now a wrapper around...
10699 (register_dump_files_1): ... this one. Do not modify the pass
10701 (next_pass_1): Cosmetic fix.
10702 (execute_todo): Keep second parameter only. Use curr_properties
10703 instead of fetching it from the pass structure. Check and set
10705 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10706 instead of fetching it from the pass structure. Fix calls to
10707 execute_todo. Update curr_properties and initialize .vcg RTL dump
10708 after running the pass. Reset last_verified.
10709 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10711 (FIRST_AUTO_NUMBERED_DUMP): New.
10712 (dump_register): Remove "num" parameter, assign it within the
10714 (get_dump_file_name): Modify template for dumps.
10715 * tree-dump.h (dump_register): Adjust prototype.
10716 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10717 (PROP_trees): Add PROP_gimple_lomp.
10718 (TODO_set_props): New.
10719 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10720 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10721 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10723 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10725 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10726 (sparc64-*-linux*): Likewise.
10727 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10728 * config/sparc/t-linux: New file.
10729 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10730 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10731 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10732 -m32 -mlong-double-128.
10734 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10735 * config/alpha/t-linux: New file.
10736 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10738 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10739 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10740 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10741 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10742 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10743 (CPP_ARCH32_SPEC): Remove.
10745 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10747 PR tree-optimization/26145
10748 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10751 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10754 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10755 >= 240000 when generating code for SOM runtime.
10756 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10757 to $$dyncall when generating code for SOM runtime..
10759 2006-02-07 Dirk Mueller <dmueller@suse.com>
10762 * doc/invoke.texi (-Wsequence-point): Update documentation
10763 that -Wsequence-point is implemented for C++ as well.
10765 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10767 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10768 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10769 (LIB_SPEC): Likewise.
10770 * doc/invoke.texi (SPARC options): Document -pthread.
10772 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10774 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10777 2006-02-07 Roger Sayle <roger@eyesopen.com>
10779 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10780 Correct comment describing BOOLEAN_TYPE.
10782 2006-02-07 Dirk Mueller <dmueller@suse.com>
10784 * c.opt: C++ frontend supports -Wdiv-by-zero.
10785 * c-opts.c (c_common_handle_option): Remove dead case.
10787 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10789 * configure.ac (TLS assembler check): Do not enable TLS by
10790 default on SPARC/Solaris before version 10.
10791 * configure: Regenerate.
10793 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10795 * doc/invoke.texi (xl-compat): Document conversion and support
10798 2006-02-07 Jeff Law <law@redhat.com>
10800 * tree-vrp.c (find_conditional_asserts): Update comments.
10801 (simplify_stmt_for_jump_threading): New.
10802 (identify_jump_threads, finalize_jump_threads): New.
10803 (vrp_finalize): Call identify_jump_threads.
10804 (execute_vrp): Call finalize_jump_threads.
10805 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10806 (vrp_element, vrp_data, vrp_element_p): Remove.
10807 (vrp_hash_elt, vrp_variables_stack): Remove.
10808 (vrp_hash, vrp_eq, record_range): Remove.
10809 (simplify_cond_and_lookup_avail_expr): Remove.
10810 (extract_range_from_cond): Remove.
10811 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10812 (simplify_stmt_for_jump_threading): New.
10813 (dom_thread_across_edge): New wrapper.
10814 (tree_ssa_dominator_optimize): No longer initialize or
10815 finalize any of the VRP datastructures. Remove iteration
10816 step and simplify as a result of removal of iteration step.
10817 (pass_dominator): Perform a cfg cleanup after DOM.
10818 (dom_opt_finalize_block): Use the new common routines
10819 for threading jumps. Simplify stack management slightly.
10820 No longer need to unwind VRP state.
10821 (record_equivalences_from_incoming_edge): No longer record
10823 (eliminate_redundant_computations): No longer call
10824 simplify_cond_and_lookup_avail_expr.
10825 * tree-flow.h (potentially_threadable_block): Prototype.
10826 (thread_across_edge): Likewise.
10827 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10828 (tree-ssa-threadedge.o): Add dependencies.
10829 * tree-ssa-threadedge.c: New file.
10830 * passes.c (init_optimization_passes): Merge PHIs before
10831 calling VRP. Run VRP again late in the SSA optimization pipeline.
10833 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10835 * df-core.c (df_set_blocks): Do not dereference function pointers.
10836 (df_finish1): Likewise.
10837 (df_hybrid_search_forward): Likewise.
10838 (df_hybrid_search_backward): Likewise.
10839 (df_iterative_dataflow): Likewise.
10840 (df_analyze_problem): Likewise.
10841 (df_compact_blocks): Likewise.
10842 (df_dump): Likewise.
10843 * df-scan.c (df_rescan_blocks): Likewise.
10844 (df_record_entry_block_defs): Likewise.
10846 * genconditions.c (write_conditions): Guard the definition of
10847 'insn_conditions' with the check on GCC version.
10848 (write_writer): Guard the traversal 'insn_conditions' with
10849 the check on GCC version.
10851 2006-02-07 Richard Guenther <rguenther@suse.de>
10855 2006-01-30 Richard Guenther <rguenther@suse.de>
10857 * gimplify.c (gimplify_target_expr): Handle easy cases
10858 without creating a temporary.
10860 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10862 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10863 use of float in probability computations. Use edge probabilities
10864 in place of statically computed probabilities.
10865 (min_spec_prob): New static variable.
10866 (schedule_insns): Initialize it.
10867 (GET_SRC_PROB): Removed.
10868 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10870 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10873 * config/ia64/unwind-ia64.c: Revert last change.
10874 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10875 (INCOMING_FRAME_SP_OFFSET): Define.
10877 2006-02-06 Roger Sayle <roger@eyesopen.com>
10879 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10881 2006-02-07 Ben Elliston <bje@au.ibm.com>
10883 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10884 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10885 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10886 (ix86_return_in_memory): Handle TDmode.
10887 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10888 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10890 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10892 * reorg.c (dbr_schedule): Use dump_file instead of file.
10894 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10897 * config/ia64/predicates.md (extr_len_operand): New predicate.
10898 * config/ia64/ia64.md (extv): Tighten constraints.
10900 (*tbit_and_2): Ditto.
10901 (*tbit_and_3): Ditto.
10902 (*tbit_or_2): Ditto.
10903 (*tbit_or_3): Ditto.
10904 (*bit_zero): Ditto.
10907 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10910 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10912 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10914 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10915 loop_optimizer_init and loop_optimizer_finalize
10916 * tree-ssa-sink.c (execute_sink_code): Ditto.
10917 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10918 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10919 tree_ssa_loop_done): Ditto.
10920 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10921 * sched-ebb.c: Include output.h.
10922 (schedule_ebbs): Do not use dump argument.
10923 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10924 * loop.c (loop_dump_stream): Removed.
10925 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10927 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10928 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10929 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10930 loop_iterations, strength_reduce, record_biv, record_giv,
10931 final_giv_value, check_final_value, check_ext_dependent_givs,
10932 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10933 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10934 dump_file instead of loop_dump_stream.
10935 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10936 argument dump_file.
10937 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10939 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10940 * haifa-sched.c: Include output.h
10941 (schedule_insns, sched_init): Do not use dump argument.
10942 * mode-switching.c (optimize_mode_switching): Ditto.
10943 * modulo-sched.c (stats_file): Removed.
10944 (print_node_sched_params): Do not call argument dump_file.
10945 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10946 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10948 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10950 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10951 rtl_loop_init, rtl_loop_done): Ditto.
10952 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10953 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10955 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10956 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10957 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10958 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10959 * emit-rtl.c (renumber_insns): Ditto.
10960 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10961 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10962 * regclass.c (regclass): Ditto.
10963 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10964 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10965 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10966 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10968 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10969 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10971 * gcse.c (gcse_file, debug_stderr): Removed.
10972 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10973 rest_of_handle_gcse): Do not use dump argument.
10974 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10975 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10976 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10977 compute_code_hoist_vbeinout, compute_code_hoist_data,
10978 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10979 compute_store_table, build_store_vectors, insert_insn_start_bb,
10980 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10981 store_motion): Use dump_file instead of gcse_file.
10982 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10983 * profile.c (profile_dump_file): Removed.
10984 (branch_prob): Use dump_file instead of profile_dump_file.
10985 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10987 * tree-ssa-copy.c (dump_copy_of): Ditto.
10988 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10989 dump file to life_analysis.
10990 * bt-load.c (branch_target_load_optimize): Ditto.
10991 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10993 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10994 regclass, dbr_schedule): Declaration changed.
10995 * sched-int.h (sched_init): Declaration changed.
10996 * tree-profile.c (tree_profile_dump_file): Removed.
10997 (tree_profile_hooks): Removed profile_dump_file hook.
10998 * rtl-profile (rtl_profile_dump_file): Removed.
10999 (rtl_profile_hooks): emoved profile_dump_file hook.
11000 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11002 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11003 * tree-cfg.c (build_tree_cfg): Ditto.
11004 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11005 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11006 Declaration changed.
11007 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11008 life_analysis and schedule_insns.
11009 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11011 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11013 * config/mips/mips.c (mips_reorg): Ditto.
11014 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11017 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11019 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11020 (s390_mangle_fundamental_type): New.
11021 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11024 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11025 (alpha_mangle_fundamental_type): New.
11026 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11029 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11031 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11033 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11034 (sparc_mangle_fundamental_type): New.
11036 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11038 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11039 (s390x-*-linux*): Likewise.
11040 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11041 * config/s390/t-linux: New file.
11043 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11045 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11046 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11048 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11050 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11051 (ANTIC_SAFE_LOADS): New macro.
11052 (find_or_generate_expression): Add prototype.
11053 (set_contains_value): Allow null set for sake of not always having
11054 to allocate ANTIC_SAFE_LOADS.
11055 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11056 Allow COMPONENT_REF too.
11057 (valid_in_set): Allow COMPONENT_REF.
11058 Check ANTIC_SAFE_LOADS too.
11059 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11060 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11062 (can_PRE_operation): Add COMPONENT_REF.
11063 (create_component_ref_by_pieces): New function.
11064 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11065 (insert_aux): Move AGGREGATE_TYPE_P check here.
11066 (compute_avail): Set bb local stmt uids.
11067 (pass_pre): Use TODO_update_ssa_only_virtuals.
11069 2006-02-06 Ben Elliston <bje@au.ibm.com>
11071 * configure.ac: Unconditionally disable decimal float by default.
11072 * configure: Regenerate.
11074 2006-02-06 Ben Elliston <bje@au.ibm.com>
11076 * read-rtl.c (read_name): Terminate reading on EOF.
11078 2006-02-06 Ben Elliston <bje@au.ibm.com>
11080 * dfp.c (decimal_real_arithmetic): Change second argument type
11081 from int to enum tree_code. Do not always return true, but now
11082 return result of any call to decimal_do helper functions.
11083 * dfp.h (decimal_real_arithmetic): Update prototype.
11085 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11087 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11089 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11092 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11095 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11097 * tree-vrp.c (cfg_loops): Removed.
11098 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11099 Use current_loops instead of cfg_loops. Pass flags to
11100 loop_optimizer_init.
11101 * cfgloopmanip.c (fix_loop_structure): Update only available
11103 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11104 loop_optimizer_init.
11105 * modulo-sched.c (build_loops_structure): Removed.
11106 (sms_schedule): Use loop_optimizer_init.
11107 * loop-init.c (loop_optimizer_init): Use flags to determine
11108 which properties of loops to prepare.
11109 (rtl_loop_init): Pass flags to loop_optimizer_init.
11110 * tree-ssa-sink.c (execute_sink_code): Ditto.
11111 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11112 * tree-ssa-pre.c (init_pre): Ditto.
11113 * cfgloop.h (LOOPS_NORMAL): New.
11114 (loop_optimizer_init): Declaration changed.
11116 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11118 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11119 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11121 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11123 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11125 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11126 * pa/t-pa64: Delete quadlib.c rule.
11127 * pa/x-ada: Revert last change.
11128 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11130 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11132 PR rtl-optimization/26087
11133 * rtlanal.c (canonicalize_condition): Do not cross basic block
11136 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11139 * config/ia64/ia64.c: Include debug.h.
11140 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11141 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11142 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11143 (process_epilogue, process_set, process_for_unwind_directive):
11144 Output unwind info only if requested. Add CFA info if requested.
11145 Add new arguments as needed. Adjust callers.
11146 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11148 (DWARF2_FRAME_INFO): Define to zero.
11149 * config/ia64/unwind-ia64.c: Remove code that compensated for
11150 the CFA offset error fixed above.
11151 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11152 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11153 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11154 -funwind-tables and -fexceptions to enable frame info.
11155 (dwarf2out_frame_init): Define initial CFA even if
11156 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11157 DWARF2_UNWIND_INFO is nonzero, not just defined.
11158 (dwarf2out_frame_finish): Output non-EH call frame info only
11159 if DWARF2_FRAME_INFO is nonzero.
11160 (convert_cfa_to_loc_list,
11161 compute_frame_pointer_to_cfa_displacement): Define even if
11162 unwind info is not supported.
11163 (gen_subprogram_die): Use the above unconditionally. Remove
11164 legacy alternate code.
11165 * toplev.c (compile_file): Compile in call to
11166 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11167 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11169 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11170 Jakub Jelinek <jakub@redhat.com>
11172 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11173 IBM extended float format long double as "g" on powerpc*-linux.
11175 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11178 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11179 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11181 2006-02-03 Jason Merrill <jason@redhat.com>
11184 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11186 PR middle-end/25977
11187 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11188 on the return slot if it's an NRV.
11190 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11192 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11193 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11194 rewrite_use): Do not handle USE_OUTER.
11195 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11196 add_iv_outer_candidates, may_replace_final_value,
11197 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11198 (find_interesting_uses_op): Functionality of
11199 find_interesting_uses_outer_or_nonlin moved here.
11200 (find_interesting_uses_outside): Use find_interesting_uses_op.
11202 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11205 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11207 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11208 Ulrich Weigand <uweigand@de.ibm.com>
11211 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11212 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11213 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11214 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11216 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11217 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11218 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11219 Define secondary reloads for TFmode moves.
11220 (constant_modes): Add TFmode.
11221 (NR_C_MODES): Set to 8.
11222 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11224 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11225 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11226 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11227 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11228 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11229 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11230 (FPR mode macro): Add TFmode.
11231 (DSF mode macro): New.
11232 (<de>, <dee> mode attributes): Removed.
11233 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11234 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11235 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11236 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11237 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11238 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11239 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11240 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11241 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11242 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11243 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11244 "*negabs<mode>2", "sqrt<mode>2"):
11245 Changed <de> to <xde>. R constraint replaced by <Rf>.
11246 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11248 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11249 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11250 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11252 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11253 "extenddftf2", "extendsftf2"): New expanders.
11254 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11255 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11256 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11257 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11259 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11260 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11261 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11262 __floatditf): Add a GCC_4.1.0 symbol version tag.
11263 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11266 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11269 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11270 Use targetm.binds_local_p instead of TREE_PUBLIC.
11272 2006-02-02 Roger Sayle <roger@eyesopen.com>
11274 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11275 on INTEGER_TYPEs to indicate that it denotes a character type.
11276 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11277 signed_char_type_node, unsigned_char_type_node and char_type_node.
11278 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11279 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11280 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11282 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11283 Daniel Berlin <dberlin@dberlin.org>
11285 * tree-tailcall.c (arg_needs_copy_p): New function.
11286 (eliminate_tail_call): Use arg_needs_copy_p.
11287 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11288 (add_virtual_phis): New function.
11290 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11292 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11293 #ignore instead of #scratch for %g7 .register directive.
11295 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11297 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11300 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11302 * flow.c (calculate_global_regs_live): Assert that there aren't any
11305 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11307 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11308 what its name says.
11309 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11310 bsi_after_labels iterator.
11311 * tree-if-conv.c (find_phi_replacement_condition,
11312 replace_phi_with_cond_modify_expr): Likewise.
11313 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11314 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11316 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11318 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11320 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11323 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11324 array after growing it.
11326 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11328 PR middle-end/24901
11329 * fold-const.c (fold_checksum_tree): Change type of buf.
11331 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11333 * reload.c (push_secondary_reload): Initialize t_icode.
11335 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11337 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11338 -msoft-float -mlong-double-128 only issue a warning, but don't
11339 swich to DFmode long double.
11341 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11343 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11344 has a constant equivalent, iterate over equivalents for arg0,
11345 calling simplify_relational_operation and if there's a result
11346 cheaper than X, apply fold_rtx and return the result.
11348 2006-02-01 Jan Hubicka <jh@suse.cz>
11350 * opts.c (no_unit_at_a_time_default): New global variable.
11351 (decode_options): Use it.
11352 * opts.h (no_unit_at_a_time_default): Declare.
11354 2006-02-01 Paul Brook <paul@codesourcery.com>
11356 * function.c (assign_parm_setup_reg): Use function argument promotion
11358 * expr.c (expand_expr_real_1): Use function argument promotion rules
11361 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11363 * gcc.c (process_command): Change j to 'unsigned int'.
11365 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11367 PR middle-end/26001
11368 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11369 Use the corrected index for the character
11370 out of the string constant.
11372 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11374 * mode-switching.c (optimize_mode_switching): Fix size
11375 allocated for bb_info[n_entities].
11377 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11379 * gcc.c (main): Correct type that is allocated for
11380 explicit_link_files.
11382 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11384 * config/s390/s390.c (init_alignment_context): Set
11385 ALIAS_SET_MEMORY_BARRIER on the MEM.
11386 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11388 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11390 PR middle-end/25933
11391 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11393 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11396 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11398 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11399 * regrename.c: Ditto.
11400 * tree-ssa-loop-im.c: Ditto.
11401 * tree-dump.c: Ditto.
11402 * tree-complex.c: Ditto.
11403 * genrecog.c: Ditto.
11404 * tree-ssa-threadupdate.c: Ditto.
11406 * java/class.c: Ditto.
11407 * java/jcf-parse.c: Ditto.
11408 * java/resource.c: Ditto.
11409 * java/except.c: Ditto.
11410 * java/jvspec.c: Ditto.
11411 * java/jcf-write.c: Ditto.
11412 * java/jcf-path.c: Ditto.
11413 * java/gjavah.c: Ditto.
11414 * java/zextract.c: Ditto.
11415 * java/jcf-io.c: Ditto.
11416 * java/jcf.h: Ditto.
11417 * java/buffer.c: Ditto.
11418 * java/lang.c: Ditto.
11419 * java/parse-scan.y: Ditto.
11420 * java/lex.c: Ditto.
11421 * java/lex.h: Ditto.
11422 * cfgloopmanip.c: Ditto.
11423 * postreload-gcse.c: Ditto.
11424 * tree-ssa-loop-manip.c: Ditto.
11425 * postreload.c: Ditto.
11426 * tree-ssa-loop-ch.c: Ditto.
11429 * cppspec.c: Ditto.
11430 * diagnostic.c: Ditto.
11432 * genoutput.c: Ditto.
11434 * cfghooks.c: Ditto.
11435 * cfgloopanal.c: Ditto.
11436 * objc/objc-act.c: Ditto.
11438 * genextract.c: Ditto.
11439 * genautomata.c: Ditto.
11440 * pretty-print.c: Ditto.
11441 * genemit.c: Ditto.
11442 * cgraphunit.c: Ditto.
11444 * df-scan.c: Ditto.
11445 * haifa-sched.c: Ditto.
11446 * dominance.c: Ditto.
11448 * tree-ssa-loop-ivopts.c: Ditto.
11449 * df-core.c: Ditto.
11450 * mode-switching.c: Ditto.
11451 * modulo-sched.c: Ditto.
11453 * ipa-pure-const.c: Ditto.
11455 * fix-header.c: Ditto.
11457 * tree-stdarg.c: Ditto.
11458 * ipa-utils.c: Ditto.
11459 * loop-init.c: Ditto.
11460 * ipa-inline.c: Ditto.
11461 * cfganal.c: Ditto.
11463 * alloc-pool.c: Ditto.
11464 * dwarf2out.c: Ditto.
11466 * genattrtab.c: Ditto.
11467 * tree-ssa-loop-ivcanon.c: Ditto.
11468 * predict.c: Ditto.
11469 * timevar.c: Ditto.
11471 * fortran/gfortranspec.c: Ditto.
11472 * regmove.c: Ditto.
11473 * local-alloc.c: Ditto.
11474 * langhooks.c: Ditto.
11475 * function.c: Ditto.
11476 * tree-vectorizer.c: Ditto.
11478 * ipa-type-escape.c: Ditto.
11480 * tree-if-conv.c: Ditto.
11481 * profile.c: Ditto.
11483 * tree-data-ref.c: Ditto.
11484 * loop-unroll.c: Ditto.
11485 * treelang/treetree.c: Ditto.
11487 * bt-load.c: Ditto.
11488 * ggc-common.c: Ditto.
11490 * coverage.c: Ditto.
11492 * tree-cfgcleanup.c: Ditto.
11493 * tree-ssa-pre.c: Ditto.
11494 * cfgcleanup.c: Ditto.
11495 * loop-invariant.c: Ditto.
11496 * loop-iv.c: Ditto.
11497 * ipa-prop.c: Ditto.
11498 * print-tree.c: Ditto.
11499 * conflict.c: Ditto.
11500 * ggc-page.c: Ditto.
11501 * sched-deps.c: Ditto.
11502 * regclass.c: Ditto.
11503 * tree-object-size.c: Ditto.
11504 * combine.c: Ditto.
11505 * bb-reorder.c: Ditto.
11506 * resource.c: Ditto.
11507 * var-tracking.c: Ditto.
11508 * cfgloop.c: Ditto.
11509 * df-problems.c: Ditto.
11510 * reg-stack.c: Ditto.
11512 * gccspec.c: Ditto.
11513 * sched-rgn.c: Ditto.
11514 * tree-ssa-structalias.c: Ditto.
11515 * tree-ssa-reassoc.c: Ditto.
11516 * config/darwin-c.c: Ditto.
11517 * config/darwin.c: Ditto.
11518 * config/arm/arm.c: Ditto.
11520 * collect2.c: Ditto.
11521 * reload1.c: Ditto.
11523 2006-01-31 Nicolas Pitre <nico@cam.org>
11525 * arm.md (smaxsi3): Make aware of smax_m1.
11528 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11530 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11532 2006-01-31 Richard Guenther <rguenther@suse.de>
11534 * doc/invoke.texi (-msselibm): Document.
11535 * target.h (expand_library_builtin): New target hook.
11536 * builtins.c (expand_builtin): Use expand_library_builtin.
11537 (default_expand_library_builtin): New function.
11538 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11539 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11540 (link_gcc_math_spec): Declare.
11541 (static_specs): Add link_gcc_math_spec.
11542 * expr.h (default_expand_library_builtin): Declare.
11543 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11544 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11545 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11546 * config/i386/i386.opt (msselibm): New target option.
11547 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11548 (ix86_init_sse_abi_builtins): New function.
11549 (ix86_expand_library_builtin): Likewise.
11550 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11551 (override_options): Handle error conditions wrt -msselibm.
11552 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11553 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11554 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11557 2006-01-31 Richard Guenther <rguenther@suse.de>
11558 Paolo Bonzini <bonzini@gnu.org>
11560 * doc/install.texi (--disable-libgcc-math): Document.
11562 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11564 * expr.h (expand_normal): new inline function.
11565 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11566 * dojump.c: use it.
11567 * dwarf2out.c: use it.
11570 * expmed.c: use it.
11571 * except.c: use it.
11572 * config/sparc/sparc.c: use it.
11573 * config/i386/i386.c: use it.
11574 * config/rs6000/rs6000.c: use it.
11575 * config/arm/arm.c: use it.
11576 * config/mips/mips.c: use it.
11577 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11579 2006-01-30 Roger Sayle <roger@eyesopen.com>
11581 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11582 argv to the appropriate type.
11584 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11586 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11589 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11592 * config/s390/s390.c (struct machine_function): New flag
11593 decomposed_literal_pool_addresses_ok_p.
11594 (s390_reorg): Set it before final stage of literal pool transforms.
11595 (s390_decompose_address): Only accept displacements of the form
11596 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11598 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11600 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11601 the comparison routine return.
11603 2006-01-30 Michael Matz <matz@suse.de>
11605 * global.c (find_reg): Only evict for global regs.
11606 Take n_refs into account and dump more info.
11608 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11611 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11612 (pragma_trap, pragma_nosave_low_regs): Likewise.
11613 (current_function_anonymous_args): Likewise.
11614 (sh_deferred_function_attributes): New variable.
11615 (sh_deferred_function_attributes_tail): Likewise.
11616 (print_operand): For '@', look up trap_exit attribute.
11617 (calc_live_regs): Look up trapa_handler attribute. For trapa
11618 handlers, save/restore fpscr, but don't do any other
11619 interrupt-specific saves.
11620 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11621 Fix check for partially saved registers to check for SHmedia.
11622 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11623 (sh_output_function_epilogue): Don't clear any of the removed
11625 (sh_insert_attributes): Don't check pragma_interrupt.
11626 Insert deferred attributes. Check that interrupt attribute is
11627 present for other attributes that require its presence.
11628 (sh_attribute_table): Add new attributes trapa_handler and
11630 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11631 Don't check for pragma_interrupt. Don't store argument.
11632 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11633 (sh_deferred_function_attributes): Declare.
11634 (sh_deferred_function_attributes_tail): Likewise.
11635 * sh.md (sp_switch_1): Add operand. Change generator caller.
11636 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11637 (*return_i): Don't use when trap_exit attribute is in effect.
11638 (*return_trapa): New insn pattern.
11639 * sh-c.c: New file.
11640 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11641 setting c_target_objs and cxx_target_objs.
11642 * t-sh: Add rule for sh-c.o.
11644 2006-01-30 Richard Guenther <rguenther@suse.de>
11647 * gimplify.c (gimplify_target_expr): Handle easy cases
11648 without creating a temporary.
11650 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11652 * vec.h (safe_grow): Remove duplicated line.
11654 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11657 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11658 (expand_omp): ... here.
11659 (expand_omp_parallel): Only remove barriers for combined
11660 parallel+workshare constructs.
11662 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11666 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11667 * tree.c (build_qualified_type): Chain the new type to the original
11668 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11669 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11670 (build_pointer_type_for_mode): Only return unqualified types.
11671 (build_reference_type_for_mode): Likewise.
11673 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11675 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11676 * Makefile.in (CXX_COMPAT_WARN): Define.
11677 * configure: Regenerate.
11679 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11682 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11685 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11687 * toplev.c: Fix thinko.
11689 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11690 Marcin Dalecki <martin@dalecki.de>
11692 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11693 (push_srcloc): Use XNEW.
11694 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11696 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11698 * df-core.c (df_set_blocks): Deleted all variable.
11700 2006-01-28 Ian Lance Taylor <ian@airs.com>
11702 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11703 cgraph_output_pending_asms.
11705 2006-01-28 Zack Weinberg <zackw@panix.com>
11707 * c.opt: Add -W(no-)overlength-strings.
11708 * doc/invoke.texi: Document it.
11709 * c-opts.c (c_common_handle_option): -pedantic implies
11710 -Woverlength-strings, if not explicitly disabled already.
11711 (c_common_post_options): -Woverlength-strings defaults to off, and
11712 is always off for C++.
11713 * c-common.c (fix_string_type): Issue warning about strings longer
11714 than is portable only if warn_overlength_strings. Rearrange code
11715 a little for clarity.
11716 * configure.in: Check for -Wno-overlength-strings as well before
11717 enabling -pedantic in stage 1.
11718 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11719 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11721 * genconditions.c (write_header, write_one_condition)
11722 (write_conditions, write_writer): Consolidate very long strings
11723 that were broken up to fit in C89 portable limit. Don't use
11724 printf when fputs will do.
11726 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11728 * combine.c (simplify_comparison <AND>): Check
11729 TRULY_NOOP_TRUNCATION before start using a subreg.
11731 * config/mips/mips.md (*branch_zero<mode>,
11732 *branch_zero<mode>_inverted, *branch_equality<mode>,
11733 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11734 Remove mode check from comparisons.
11736 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11738 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11740 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11742 * expmed.c (const_mult_add_overflow_p): Remove.
11743 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11745 * recog.c (validate_replace_rtx_subexp): Remove.
11746 * recog.h: Remove the prototype for
11747 validate_replace_rtx_subexp.
11749 * integrate.h: Remove the prototype for
11750 copy_decl_for_inlining.
11751 * rtl.h: Remove the prototype for mark_constant_function.
11752 * tree-vectorizer.h: Remove the prototype for
11753 vect_strip_conversion.
11755 * modulo-sched.c (create_partial_schedule,
11756 free_partial_schedule, reset_partial_schedule): Make them
11759 * hooks.c (hook_bool_rtx_int_false): Remove.
11760 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11762 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11764 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11765 and -mlong-double-128 are incompatible.
11766 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11767 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11768 (TARGET_LIBGCC2_CFLAGS): Define.
11769 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11770 (TARGET_LIBGCC2_CFLAGS): Same.
11771 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11773 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11776 * c-typeck.c (build_binary_op): Perform implicit casts of
11777 operands before shortening them.
11779 * cfgloopmanip.c (split_loop_bb): Remove.
11780 * cfgloop.h: Remove the prototype for split_loop_bb.
11782 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11783 * cfgloop.h: Remove the prototype for
11784 flow_loop_outside_edge_p.
11786 * emit-rtl.c (init_virtual_regs): Make it static.
11787 * function.h: Remove the prototype for init_virtual_regs.
11789 * recog.c (peephole2_optimize): Make it static.
11790 * recog.h: Remove the prototype for peephole2_optimize.
11792 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11794 * df-scan.c (df_record_entry_block_defs): Check if
11795 INCOMING_RETURN_ADDR_RTX is defined.
11797 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11798 Kenneth Zadeck <zadeck@naturalbridge.com>
11800 PR rtl-optimization/24762
11801 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11802 * targhooks.c (hook_void_bitmap): New hook prototype.
11803 * targhoohs.h (hook_void_bitmap): Ditto.
11804 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11805 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11806 * target.h (live_on_entry): New function pointer.
11807 * df-scan.c (df_all_hard_regs): Removed.
11808 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11809 (df_scan_free_internal): Added df->entry_block_defs.
11810 (df_scan_alloc): Ditto.
11811 (df_scan_dump): Ditto.
11812 (df_uses_record): Plumbed flag field properly thru calls.
11813 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11814 This part fixes PR24762.
11815 (df_bb_refs_record): Added code to make the frame and arg
11816 pointers live in EH blocks.
11817 (df_refs_record): Added call to df_record_entry_block_defs.
11818 (df_record_entry_block_defs): New function.
11819 * df-core.c: Added comments to describe new artifical defs.
11820 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11821 (entry_block_defs): New field in struct df.
11822 (df_all_hard_regs): Deleted.
11823 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11824 * df-problems.c (df_ru_bb_local_compute_process_def):
11825 Added code to handle artifical defs in the entry to a function.
11826 (df_ru_bb_local_compute): Ditto.
11827 (df_rd_bb_local_compute_process_def): Ditto.
11828 (df_rd_bb_local_compute): Ditto.
11829 (df_lr_bb_local_compute): Ditto.
11830 (df_ur_bb_local_compute): Ditto.
11831 (df_urec_bb_local_compute): Ditto.
11832 (df_chain_create_bb): Ditto.
11833 (df_ur_local_finalize): Removed entry.
11834 (df_urec_init): Ditto.
11835 (df_urec_local_finalize): Ditto.
11836 (df_ri_bb_compute): Added detection of last use of pseudos.
11837 * Makefile.in (df-scan.o): Updated dependencies.
11838 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11839 * config/mips/mips.c (mips_set_live_on_entry): Added.
11840 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11842 * dce.c (marked_insn_p): Added code to handle artifical defs.
11844 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11846 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11848 (_mm_cvtsi128_si64): Likewise.
11849 (_mm_cvtsd_si64): Likewise.
11850 (_mm_cvttsd_si64): Likewise.
11851 (_mm_cvtsi64_sd): Likewise.
11852 (_mm_cvtsi64_si128): Likewise.
11853 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11854 (_mm_cvtsi64_m64): Likewise.
11855 (_m_to_int64): Likewise.
11856 (_mm_cvtm64_si64): Likewise.
11857 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11858 (_mm_cvttss_si64): Likewise.
11859 (_mm_cvtsi64_ss): Likewise.
11860 (_mm_cvtss_f32): Likewise.
11862 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11864 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11865 for pragma redefine_extname.
11867 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11870 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11871 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11872 -mno-minimal-toc to previous content.
11873 (bispecs): Remove goal.
11874 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11875 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11876 compatibility aliases on powerpc-*-*gnu*.
11877 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11878 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11879 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11880 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11881 (ldblspecs): New goal.
11882 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11883 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11885 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11886 L_sf_to_tf or L_df_to_tf is defined.
11888 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11889 Alan Modra <amodra@bigpond.net.au>
11892 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11893 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11894 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11895 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11896 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11897 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11898 (rs6000_override_options): Initialize rs6000_ieeequad.
11899 Initialize TFmode format to ibm_extended_format if not
11901 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11903 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11904 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11905 (function_arg_advance): IBM long double passed in two FPRs, not
11907 (function_arg): IBM long double passed in FPRs.
11908 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11909 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11910 Only multireg GPR aligned.
11911 (rs6000_init_libfuncs): Enable IBM long double functions if not
11913 (rs6000_generate_compare): Use IBM long double compare if not
11915 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11916 (TARGET_IEEEQUAD): Define.
11917 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11918 not TARGET_IEEEQUAD.
11919 * config/rs6000/rs6000.md: Enable TFmode patterns if
11921 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11922 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11923 and -mlong-double-128 are incompatible.
11924 * doc/invoke.texi (-mabi): Collect options together. Add
11925 ibmlongdouble and ieeelongdouble.
11927 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11929 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11931 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11932 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11933 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11934 * rtl.h (rtunion_def): Remove rt_ptr.
11936 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11937 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11938 * config/i386/winnt.c (i386_pe_mark_dllexport)
11939 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11941 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11943 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11945 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11949 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11950 pthread_key_delete. From John David Anglin. gthrw-ify
11951 pthread_getunique_np only if it it's not a macro. Delete
11953 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11954 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11955 __gthread_objc_condition_signal, __gthread_key_delete): Add
11956 "__attribute__ ((__unused__))" to unused arguments.
11957 (__gthread_recursive_mutex_init_function): Add missing return.
11958 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11959 gthr-posix95.h: Use macro-based approach for name redirection
11960 on targets missing weakref.
11962 2006-01-26 Zack Weinberg <zackw@panix.com>
11964 * genconditions.c (write_header): In generated code, #ifdef out
11965 all includes and fake declarations, except includes of bconfig.h
11966 and system.h, unless GCC_VERSION >= 3001. Do not include
11967 gensupport.h in any case.
11968 (write_conditions): Generate a definition of struct c_test. Add
11969 a comment to the generated #endif.
11970 (write_one_condition): Escape backslashes in string too.
11971 (write_writer): Generated code must escape backslashes and quote
11972 marks (but not newlines) in the strings it writes.
11973 * Makefile.in (build/gencondmd.o): Update dependencies.
11975 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11978 * Makefile.in (insn-automata.o): Add header file dependencies.
11979 * genautomata.c: Add includes.
11981 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11984 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11986 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11988 * configure.ac: Expect target tools paths to be passed from the toplevel
11989 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11991 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11993 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11996 * c.opt (Wpointer-sign): Init to -1.
11997 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11998 OPT_pedantic, to 0 otherwise.
11999 * doc/invoke.texi: Update.
12001 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12003 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12004 constants provided by 80387 instructions in the destination mode.
12006 2006-01-26 Richard Guenther <rguenther@suse.de>
12007 Andrew Pinski <pinskia@physics.uc.edu>
12010 partial PR tree-opt/17064
12011 * tree-ssa-structalias.c (intra_create_variable_infos):
12012 Create heap variables for incoming parameters if
12013 flag_argument_noalias > 1.
12014 (find_what_p_points_to): Look through default defs of
12017 2006-01-26 Jeff Law <law@redhat.com>
12020 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12021 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12022 within the VR_RANGE, use the VR_RANGE as the result, not the
12024 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12025 bounds for the type.
12027 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12029 * tree-ssa-alias.c (maybe_create_global_var): Change
12030 subvar walking to an assertion that we don't have subvar'd variables.
12032 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12035 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12036 Use a new variable, inner. PARM_DECLs are always non-weak.
12038 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12040 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12041 --disable-checking.
12043 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12045 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12047 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12049 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12050 (smax_insn, smin_insn, smax_0, smin_0): New.
12052 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12055 * config/cris/cris.c (cris_order_for_addsi3): New function.
12056 * config/cris/cris-protos.h: Prototype it.
12057 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12058 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12059 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12060 (split for "op.S1 [rx=rx+i],ry (swapped)")
12061 (split for "op(s|u).S1 [rx=rx+i],ry")
12062 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12063 Apply cris_order_for_addsi3 when generating addsi3 insns.
12065 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12067 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12068 (TREE_BLOCK): Add call to EXPR_CHECK.
12070 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12073 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12074 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12075 (dump_omp_clauses): ... here.
12076 (dump_generic_node): Handle OMP_CLAUSE.
12077 * tree.c (omp_clause_num_ops): New.
12078 (omp_clause_code_name): New.
12079 (tree_code_size): Handle OMP_CLAUSE.
12080 (tree_size): Likewise.
12081 (make_node): Document handling of OMP_CLAUSE.
12082 (tree_node_structure): Handle OMP_CLAUSE.
12083 (omp_clause_check_failed): New.
12084 (omp_clause_range_check_failed): New.
12085 (omp_clause_operand_check_failed): New.
12086 (build_omp_clause): New.
12087 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12088 * tree.h (enum omp_clause_code): Declare.
12089 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12090 (OMP_CLAUSE_RANGE_CHECK): Define.
12091 (OMP_CLAUSE_ELT_CHECK): Define.
12092 (omp_clause_check_failed): Declare.
12093 (omp_clause_operand_check_failed): Declare.
12094 (omp_clause_range_check_failed): Declare.
12095 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12096 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12097 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12098 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12099 (OMP_CLAUSE_IF_EXPR): Likewise.
12100 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12101 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12102 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12103 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12104 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12105 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12106 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12107 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12108 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12109 (OMP_CLAUSE_CODE): Define.
12110 (OMP_CLAUSE_SET_CODE): Define.
12111 (OMP_CLAUSE_CODE): Define.
12112 (OMP_CLAUSE_OPERAND): Define.
12113 (struct tree_omp_clause): Declare.
12114 (union tree_node): Add field 'omp_clause'.
12115 * treestruct.def (TS_OMP_CLAUSE): Define.
12116 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12117 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12118 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12119 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12120 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12121 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12122 (OMP_CLAUSE): Define.
12123 * print-tree.c (print_node): Handle OMP_CLAUSE.
12124 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12125 * c-typeck.c: Likewise.
12126 * gimplify.c: Likewise.
12127 * c-omp.c: Likewise.
12128 * tree-nested.c: Likewise.
12129 * tree-inline.c: Likewise.
12130 * c-parser.c: Likewise.
12131 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12134 2006-01-25 Roger Sayle <roger@eyesopen.com>
12136 PR rtl-optimization/25703
12137 * combine.c (try_combine): Handle zero_extract and strict_low_part
12138 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12140 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12142 * global.c: Fix comment typos.
12144 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12147 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12148 Use output_addr_const instead of assemble_name.
12150 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12152 * Makefile.in (sched-vis.o): Update dependencies.
12153 * haifa-sched.c (sched_finish): Clear current_sched_info.
12154 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12155 (dump_flow_info): Call it.
12156 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12158 * basic-block.h (dump_bb_info): Declare.
12159 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12160 option, and apply options only for dump files whose TDF_RTL,
12161 TDF_TREE, or TDF_IPA bits match.
12162 * rtl.h: Declare new functions exported from sched-vis.c.
12163 * sched-vis.c: Enable also if scheduling is not used.
12164 (print_value): Print the mode of registers if not inside scheduling.
12165 (print_insn): Make it work outside the scheduler. Beautify the output
12167 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12169 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12171 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12172 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12173 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12174 depending on the value of CONSTANT_POOL_ADDRESS_P.
12175 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12177 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12178 rather than SYMBOL_REF_DECL.
12179 (rtx_constant_pool): Remove const_rtx_sym_htab.
12180 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12181 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12182 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12183 Remove handling of const_rtx_sym_htab.
12184 (find_pool_constant): Delete.
12185 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12186 rather than find_pool_constant.
12187 (get_pool_constant_for_function): Delete.
12188 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12189 find_pool_constant.
12190 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12191 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12192 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12193 (SYMBOL_REF_CONSTANT): New macro.
12194 (get_pool_constant_for_function): Delete.
12195 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12196 rather than SYMBOL_REF_DECL.
12197 (i386_pe_mark_dllimport): Likewise.
12198 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12199 rather than SYMBOL_REF_DECL.
12200 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12201 (machopic_indirect_call_target): Likewise.
12203 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12205 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12207 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12209 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12211 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12213 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12215 2006-01-24 David Daney <ddaney@avtrex.com>
12218 * configure.ac (enable_tls): New enable option.
12219 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12220 * configure: Regenerate.
12221 * doc/install.texi (--enable-tls): Document new option.
12222 (--disable-tls): Ditto.
12224 2006-01-24 Richard Henderson <rth@redehat.com>
12226 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12227 * alias.c (true_dependence): Respect it.
12228 (canon_true_dependence, write_dependence_p): Likewise.
12229 * builtins.c (get_builtin_sync_mem): Set it.
12231 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12233 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12236 2006-01-24 DJ Delorie <dj@redhat.com>
12238 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12239 for storing constants in single-bit bitfields.
12241 2006-01-25 Ben Elliston <bje@au.ibm.com>
12243 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12245 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12248 * tree-ssa-pre.c (phi_translate): Return NULL
12249 for AGGREGATE_TYPE's.
12251 2006-01-24 Zack Weinberg <zackw@panix.com>
12253 * genautomata.c (process_state_for_insn_equiv_partition):
12254 Use xcalloc for insn_arcs_array.
12255 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12256 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12258 2006-01-24 Richard Henderson <rth@redhat.com>
12260 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12261 update all callers.
12263 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12265 PR rtl-optimization/25890
12266 PR rtl-optimization/25905
12267 * combine.c (expand_compound_operation, expand_field_assignment):
12268 Fail if the bitfield's final position is out of bounds.
12270 2006-01-24 Ian Lance Taylor <ian@airs.com>
12272 PR middle-end/25930
12273 * cgraphunit.c (cgraph_output_in_order): Don't clear
12274 cgraph_asm_nodes until after asm strings have been output.
12276 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12278 * fix-header.c (read_scan_file): Add new parameter imultilib when
12279 calling register_include_chains.
12281 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12283 * omp-low.c: Update documentation.
12285 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12286 Daniel Berlin <dberlin@dberlin.org>
12290 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12291 return from the function.
12293 2006-01-22 Zack Weinberg <zackw@panix.com>
12295 * rtl.def (match_code): Add second argument.
12296 * genpreds.c (write_extract_subexp): New function.
12297 (write_match_code): Add path argument. Use write_extract_subexp.
12298 (write_predicate_expr): Pass path to write_match_code.
12299 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12300 not perform a mode test.
12301 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12302 a subexpression does not constrain the top-level code set.
12303 * read-rtl.c (read_rtx_variadic): New function.
12304 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12305 * doc/md.texi: Document new notation.
12306 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12307 (cmpsi_operand): ... here, using new notation.
12309 2006-01-22 Zack Weinberg <zackw@panix.com>
12311 * varray.c: Remove GENERATOR_FILE #ifdefs.
12313 2006-01-22 Zack Weinberg <zackw@panix.com>
12315 * genautomata.c (output_reserved_units_table): Emit nothing if
12316 description->query_units_num is zero. Remove extra blank line.
12317 (output_cpu_unit_reservation_p): Short circuit
12318 if description->query_units_num is zero.
12320 2006-01-22 Zack Weinberg <zackw@panix.com>
12322 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12323 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12324 nor any of the random handful of variables that used to be necessary
12325 when this program was linked with rtlanal.o. Prune set of forward
12326 function declarations.
12327 (struct attr_desc): Remove static_p field.
12328 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12329 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12330 (attr_string): Do not read the character one past the length of
12332 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12333 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12334 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12335 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12336 (make_automaton_attrs): New.
12337 (main): Do not call into genautomata. Call local gen_bypass
12338 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12339 Remove special case for insn_alts.
12340 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12341 varray.h (leftover from previous change). Prune set of forward
12342 function declarations. Remove state_alts fields from all
12343 structures. Remove state_alts_table from struct automaton.
12344 Make everything except main static. Do not maintain num_dfa_decls.
12345 Do not maintain state_alts fields of various structures.
12346 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12347 (add_arc): Remove state_alts argument. All callers updated.
12348 (output_reserved_units_table): Emit #ifdef here...
12349 (output_tables): ...not here. Don't generate state_alts tables.
12350 (expand_automata): Don't generate attributes.
12351 (write_automata): Don't generate state_alts functions.
12352 (main): New function.
12353 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12354 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12355 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12356 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12357 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12358 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12359 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12360 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12362 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12363 * genattrtab.h: Delete file.
12364 * Makefile.in (OBJS-common): Add insn-automata.o.
12365 (insn-automata.o): New rule.
12366 (simple_generated_c): Add insn-automata.c.
12367 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12368 (genprogmd): Add automata.
12369 (build/genattrtab): Needs no extra objects nor libraries.
12370 (build/genautomata): Needs build/vec.o and -lm.
12372 2006-01-22 Zack Weinberg <zackw@panix.com>
12374 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12375 (output_dfa_max_issue_rate, locked_states_num): Delete.
12376 (struct automaton): Add locked_states field.
12377 (output_dead_lock_vect): Save number of locked states in
12378 automaton->locked_states. If it is zero, don't print anything.
12379 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12380 (output_internal_dead_lock_func): Only test the dead_lock_vect
12381 for automata that have locked states.
12382 (output_statistics): Always print the number of locked states for
12383 each automaton. Calculate total number of locked states here.
12384 (write_automata): Don't call output_dfa_max_issue_rate.
12385 * genattrtab.c: Define length_unit_log as a const variable.
12386 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12387 max_insn_queue_index const.
12388 * final.c (length_unit_log): Declare const.
12389 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12391 2006-01-22 Zack Weinberg <zackw@panix.com>
12393 * genautomata.c: Include vec.h, not varray.h.
12394 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12395 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12396 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12397 VEC_* macros operating on appropriately typed vectors, or to
12398 malloced arrays when the size is known in advance. Const-ify
12399 many char* variables and function arguments. No functional changes.
12400 * Makefile.in (build/varray.o): Delete rule.
12401 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12402 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12404 2006-01-22 Zack Weinberg <zackw@panix.com>
12406 * gensupport.c: Define get_insn_name and record_insn_name here.
12407 (read_md_rtx): Call record_insn_name as appropriate.
12408 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12409 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12410 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12412 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12413 (BUILD_VARRAY): Delete.
12414 (genprognormal): Rename genprogmd. Fold in all programs from
12415 genprognoprint; also attrtab.
12416 (build/genattrtab): Just mention genautomata.o and varray.o.
12417 Reorganize a bit, add comments to make the categories clearer.
12419 2006-01-22 Zack Weinberg <zackw@panix.com>
12421 * genconditions.c (condition_table, add_condition): Delete.
12422 (write_conditions): Don't emit n_insn_conditions nor
12423 insn_elision_unavailable. Issue the gcc version #ifdef here,
12424 inside the table, with no #else clause ...
12425 (write_header): ...not here.
12426 (write_writer): New function.
12427 (main): Don't initialize condition_table. Use add_c_test.
12429 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12430 files on the command line.
12431 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12432 Return -1 if there is no entry in the table, don't abort.
12433 (add_c_test, traverse_c_tests): New functions.
12434 * gensupport.h (insn_elision_unavailable, insn_conditions)
12435 (n_insn_conditions): Delete declarations.
12436 (add_c_test, traverse_c_tests): Declare.
12437 * read-rtl.c: Include gensupport.h.
12438 (read_conditions): New function.
12439 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12440 (read_rtx_1): If we get EOF when we were looking for an initial
12441 open paren, return 0. Call read_conditions when appropriate.
12442 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12443 dummy-conditions.o. Eliminate references to insn-conditions.o,
12444 or change them to build/gencondmd.o, as appropriate. Remove
12445 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12446 from $(simple_generated_c). For all files remaining in those
12447 two lists, add insn-conditions.md to the generator command line.
12448 Give insn-constants.h/s-constants their own rules. Add rules
12449 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12450 (build/read-rtl.o): Depend on gensupport.h.
12451 (genprognormal): Include preds.
12452 (genprogearly): Rename genprognoprint; only difference is now that
12453 they don't link with $(BUILD_PRINT).
12454 * dummy-conditions.c: Delete.
12456 2006-01-22 Zack Weinberg <zackw@panix.com>
12458 * genextract.c: Don't include insn-config.h. Do include vec.h.
12459 Declare vectors of int, char, and locstr.
12460 (locstr): New typedef.
12461 (struct extraction): Make all array fields into bare pointers.
12462 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12463 (insn_code_number): Delete.
12464 (accum_extract): New struct.
12465 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12466 (gen_insn): Take insn_code_number as an argument. Use an
12467 accum_extract structure instead of loading data directly into
12468 a struct extraction, and having to know how big it might get.
12469 (walk_rtx): Operate entirely on an accum_extract structure.
12470 (print_path): Avoid unnecessary use of printf.
12471 (print_header): New function, split out of main. Distinguish
12472 more carefully between an unrecognizable insn and an insn that
12473 has the code number of a define_expand.
12474 (main): Pass insn_code_number to gen_insn. Call print_header
12475 only after parsing. Avoid unnecessary use of printf.
12476 * Makefile.in (build/vec.o): New rule.
12477 (build/genextract): Depend on build/vec.o.
12478 (build/genextract.o): Don't depend on insn-config.h.
12480 2006-01-22 Zack Weinberg <zackw@panix.com>
12482 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12483 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12484 practical. Eliminate per-generator-program link rules.
12486 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12488 PR middle-end/24437
12489 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12490 with a call expr to ...
12491 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12493 2006-01-23 Richard Guenther <rguenther@suse.de>
12495 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12496 before make_edge with conditional EDGE_TRUE_VALUE.
12498 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12499 Jan Hubicka <jh@suse.cz>
12500 Richard Guenther <rguenther@suse.de>
12502 PR rtl-optimization/25654
12503 * cfgexpand.c (aggregate_contains_union_type): New function.
12504 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12505 for structure variables that contain a union type.
12507 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12509 * gengtype.c (new_structure): Return the structure.
12510 (create_option): Add an extra "next" argument.
12511 (create_field): New function.
12512 (adjust_field_rtx_def): Use create_option and create_field.
12513 Remove a now-unnecessary call to find_structure.
12514 (adjust_field_tree_def): Likewise.
12515 (note_yacc_type): Remove an unnecessary call to find_structure.
12516 * gengtype.h (new_structure): Return the structure.
12517 (create_option): Add an extra argument.
12518 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12519 (option): Adjust calls to create_option.
12521 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12523 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12525 2006-01-22 Paul Brook <paul@codesourcery.com>
12526 Peter Barada <peter@the-baradas.com>
12528 * config/m68k/m68k.md: Add Coldfire FPU support.
12529 Define FP mode macro and associated attributes.
12530 Use it for float mode patterns.
12531 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12532 (LIBCALL_VALUE): Use m68k_libcall_value.
12533 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12534 (m68k_function_value): Ditto.
12535 (emit_move_sequence): Ditto.
12536 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12537 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12538 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12539 (MULTILIB_EXCEPTIONS): Ditto.
12540 * config/m68k/m68k.opt: Add mcfv4e.
12541 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12542 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12543 (m68k_output_function_prologue): Save ColdFire FPU registers.
12544 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12545 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12546 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12547 ColdFire FPU registers.
12548 (m68k_libcall_value, m68k_function_value): New functions.
12549 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12550 (LIBCALL_VALUE): Use m68k_libcall_value.
12551 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12552 (MASK_COLDFIRE): Add MASK_CFV4E.
12553 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12554 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12555 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12556 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12557 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12558 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12559 * doc/invoke.tex: Document -mcfv4e on m68k.
12561 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12563 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12566 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12569 * c-opts.c (c_common_handle_option): Don't include
12570 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12571 * doc/invoke.texi (C++ Dialect Options): Document that
12572 -Wnon-virtual-dtor is no longer included in -Wall.
12574 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12576 * gcov.c (print_version), gcov-dump.c (print_version),
12577 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12580 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12582 * df-scan.c (problem_SCAN): Added NULL reset function.
12583 (df_scan_reset_blocks): Added code to call reset block function
12584 (df_bb_refs_delete) Fixed comment.
12585 (df_insn_refs_delete): Made tolerant of deleting non existent info
12586 for dataflow problems that need to be reset.
12587 * df-core.c (df_set_blocks): Ditto.
12588 * df.h (struct df_problem): Added reset_fun.
12589 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12590 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12591 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12592 functions to clear out all references to def-use or use-def chains.
12594 2006-01-21 Ben Elliston <bje@au.ibm.com>
12596 * varasm.c (assemble_real): Initialise data array.
12598 2006-01-20 Paul Brook <paul@codesourcery.com>
12600 Merge from csl-arm-branch.
12601 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12602 * config/arm/arm.md (movdi): Force operands[1] to a register
12603 if we have a non-register source.
12604 (*arm_movdi, *movdf_soft_insn): Require that one of the
12605 operands be a register.
12606 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12607 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12609 2006-01-20 DJ Delorie <dj@redhat.com>
12611 * varasm.c (initializer_constant_valid_p): Allow pointers
12612 initialized from integer constants of lesser precision.
12613 (output_constant): Allow non-int-sized pointer modes to be
12614 initialized from integer constants.
12616 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12619 * cppdefault.h (struct default_include): Add multilib flag.
12620 * cppdefault.c (cpp_include_defaults): Set it.
12621 * c.opt (-imultilib): New option.
12622 * c-opts.c (imultilib): New.
12623 (c_common_handle_option): Handle -imultilib.
12624 (c_common_post_options): Likewise.
12625 * c-incpath.c (add_standard_paths, register_include_chains):
12627 * c-incpath.h (register_include_chains): Add extra parameter.
12628 * gcc.c (do_spec_1): Generate -imultilib option.
12629 (The Specs Language): Update %I description.
12630 (process_command): Update copyright notice.
12631 * doc/cppopts.texi (-imultilib): Document.
12632 * doc/invoke.texi (-imultilib): Include in option summary.
12633 (%I): Update specs documentation.
12635 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12637 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12639 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12641 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12644 2006-01-20 Richard Guenther <rguenther@suse.de>
12645 Steven Bosscher <stevenb.gcc@gmail.com>
12647 PR rtl-optimization/24626
12648 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12649 EDGE_TRUE_VALUE if in RTL mode.
12652 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12653 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12655 2006-01-20 Dirk Mueller <dmueller@suse.com>
12658 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12659 instead of a special NOP marker.
12660 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12661 NOP marker handling.
12662 * c-common.h (empty_body_warning): Add forward declaration.
12663 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12664 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12666 2006-01-20 Paul Brook <paul@codesourcery.com>
12668 * Makefile.in (lang_checks): Keep going if mkdir fails.
12670 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12672 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12673 be able to clean out basic block when not necessary.
12674 (df_scan_free): Fixed to properly delete information if df is
12675 unused before calling df_finish.
12676 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12677 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12679 (df_bb_refs_delete): New function.
12680 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12681 * df-core.c (df_set_blocks): Added code to properly clean out
12682 unused blocks if they are not part of the blocks to consider.
12683 Added additional null check.
12684 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12685 be able to clean out basic block when not necessary
12686 * df.h (df_free_bb_function): Ditto.
12687 (df_bb_refs_delete): New function.
12688 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12689 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12690 basic block parameter to be able to clean out basic block when not
12692 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12693 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12694 Fixed to properly delete information if df is unused before
12697 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12699 PR rtl-optimization/25799
12700 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12701 Corrected confluence operator to remove bits from op2 before oring
12702 with op1 rather than removing bits from op1.
12703 (df_ru_transfer_function): Corrected test on wrong bitmap which
12704 caused infinite loop. Both of these problems were introduced in
12705 the dataflow rewrite.
12707 2006-01-19 DJ Delorie <dj@redhat.com>
12709 * reload1.c (find_reload_regs): Note the details of reload
12710 failures in the dump file.
12711 (spill_failure): Likewise.
12713 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12715 * loop-iv.c: Include df.h and hashtab.h.
12716 (enum iv_grd_result): New enum.
12717 (DF_REF_IV, DF_REF_IV_SET): New macros.
12718 (struct biv_entry): New.
12719 (df, bivs): New global variables.
12720 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12721 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12723 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12724 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12725 analyzed_for_bivness_p, record_biv): New functions.
12726 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12727 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12728 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12730 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12732 (iv_number_of_iterations): Use new interface to iv analysis.
12733 * loop-unroll.c: Do not include varray.h.
12734 (analyze_iv_to_split_insn): Use new interface to iv
12736 * loop-unswitch.c (may_unswitch_on): Ditto.
12737 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12739 (df_bb_modify): Realloc tables to the new index.
12740 (df_find_use): New function.
12741 * df.h (df_find_use): Declare.
12742 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12744 * cfgloop.h (struct rtx_iv): Remove analysed field.
12745 (iv_get_reaching_def): Removed.
12746 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12747 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12748 (loop-iv.o): Add df.h and hashtab.h dependency.
12749 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12751 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12754 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12756 (__floatundisf, __floatundidf): Likewise.
12757 * libgcc2.h (IS_IBM_EXTENDED): Define.
12759 2006-01-19 DJ Delorie <dj@redhat.com>
12761 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12763 2006-01-19 Paul Brook <paul@codesourcery.com>
12765 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12766 as nothrow when unwinding tables are disabled.
12768 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12771 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12772 of bit-field" when in system header.
12774 2006-01-19 DJ Delorie <dj@redhat.com>
12776 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12777 the 16 bit shift limit of the m16c.
12779 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12782 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12783 * config/i386/i386.c (output_set_got): Output the label if we have one
12784 for the TARGET_DEEP_BRANCH_PREDICTION case.
12786 2006-01-19 Jan Hubicka <jh@suse.cz>
12787 H.J. Lu <hongjiu.lu@intel.com>
12788 Evandro Menezes <evandro.menezes@amd.com>
12790 * invoke.texi (generic): Document
12792 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12793 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12794 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12795 (x86_use_incdec, x86_pad_returns): New variables
12796 (TARGET_CPU_DEFAULT_generic): New constant
12797 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12798 (enum processor_type): Add generic32 and generic64.
12799 * i386.md (cpu attribute): Add generic32/generic64
12800 (movhi splitter): Behave sanely when both partial_reg_dependency and
12801 partial_reg_stall are set.
12802 (K8 splitters): Enable for generic as well.
12803 * predicates.md (incdec_operand): Use TARGET_INCDEC
12804 (aligned_operand): Avoid memory mismatch stalls.
12805 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12806 * ppro.md: Enable for generic32
12807 * i386.c (generic64_cost, generic32_cost): New.
12808 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12809 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12810 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12811 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12812 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12813 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12814 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12815 x86_accumulate_outgoing_args, x86_prologue_using_move,
12816 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12817 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12818 Enable for generic.
12819 (x86_use_incdec, x86_pad_returns): New.
12820 (override_options): Add generic32 and generic64, translate "generic"
12821 to generic32/generic64 and "i686" to "generic32", refuse
12822 "generic32"/"generic64" as arch target.
12823 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12824 (ix86_reorg): Honor PAD_RETURNS.
12826 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12828 * tree-pretty-print.c (dump_generic_node): Handle
12829 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12830 * cgraph.c (cgraph_expand_queue): Rename from
12831 cgraph_analyze_queue. Update all users.
12832 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12833 cgraph_expand_queue.
12834 (cgraph_expand_all_functions): Likewise.
12835 (cgraph_finalize_pending_functions): Remove. Update callers.
12837 * tree.h (OMP_DIRECTIVE_P): Define.
12838 (OMP_PARALLEL_FN): Define.
12839 (OMP_PARALLEL_DATA_ARG): Define.
12840 (OMP_SECTIONS_SECTIONS): Define.
12841 * tree-pass.h (pass_expand_omp): Declare.
12842 * omp-low.c (struct omp_region): Declare.
12843 (struct omp_context): Remove fields 'parallel_type',
12844 'parallel_start_ix' and 'parallel_start_additional_args'.
12846 (struct omp_for_data): Rename from struct expand_omp_for_data.
12847 (omp_regions): New static variable.
12848 (root_omp_region): New static variable.
12849 (find_omp_clause): Make static.
12850 (is_in_combined_parallel_ctx): Remove.
12851 (is_combined_parallel): New.
12852 (extract_omp_for_data): Move earlier in the file.
12853 (workshare_safe_to_combine_p): New.
12854 (get_ws_args_for): New.
12855 (determine_parallel_type): Move earlier in the file.
12856 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12858 (omp_copy_decl): Likewise.
12859 (create_omp_child_function): Likewise.
12860 (lookup_omp_region): New.
12861 (dump_omp_region): New.
12862 (debug_omp_region): New.
12863 (debug_all_omp_regions): New.
12864 (new_omp_region): New.
12865 (scan_omp_parallel): If parallel_nesting_level > 1, the
12866 directive is nested within another parallel directive.
12867 Set OMP_PARALLEL_FN.
12868 (scan_omp_for): Do not try to handle combined parallel+for
12870 Remove FIXME comment.
12871 (scan_omp_nested): Remove.
12872 (scan_omp_1): Do not call scan_omp_nested when
12873 parallel_nesting_level is > 1.
12874 Do not change the DECL_CONTEXT of local variables found.
12875 (lookup_decl_in_outer_ctx): New.
12876 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12877 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12878 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12879 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12880 If CTX is nested, lookup VAR in the outer context when
12881 building copy assignment.
12882 (lower_send_clauses): Rename from expand_send_clauses.
12883 If CTX is nested, lookup VAR in the outer context when
12884 building copy assignments.
12885 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12886 If CTX is nested, lookup VAR in the outer context when
12887 building copy assignments.
12888 (expand_parallel_call): Rename from build_parallel_call.
12889 Handle combined parallel+workshare cases.
12890 Re-implement to emit code into the CFG.
12892 (expand_omp_parallel): Re-implement to emit code into the CFG.
12893 Call move_sese_region_to_fn to outline the sub-graph
12894 containing the parallel region.
12895 (expand_omp_for_1): Remove.
12896 (expand_omp_for_generic): Re-implement to emit code into the
12898 (expand_omp_for_static_nochunk): Likewise.
12899 (expand_omp_for_static_chunk): Likewise.
12900 (expand_omp_for): Likewise.
12901 (expand_omp_sections): Likewise.
12902 (remove_exit_barriers): New.
12903 (expand_omp_synch): New.
12905 (build_omp_regions_1): New.
12906 (build_omp_regions): New.
12907 (execute_expand_omp): New.
12908 (gate_expand_omp): New.
12909 (pass_expand_omp): Define.
12910 (lower_omp_sections): Rename from expand_omp_sections.
12911 Set OMP_SECTIONS_SECTIONS.
12912 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12913 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12914 (lower_omp_single): Rename from expand_omp_simple.
12915 (lower_omp_master): Rename from expand_omp_master.
12916 (lower_omp_ordered): Rename from expand_omp_ordered.
12917 (lower_omp_critical): Rename from expand_omp_critical.
12918 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12919 (lower_omp_for): Re-implement.
12920 (lower_omp_parallel): Re-implement.
12921 (lower_regimplify): Rename from expand_regimplify.
12922 (lower_omp_1): Rename from expand_omp_1.
12923 If there are syntax errors in the program, replace every
12924 OpenMP directive with NOP.
12925 Call lower_omp_* instead of expand_omp_*.
12926 (lower_omp): Rename from expand_omp.
12928 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12929 * tree-gimple.h (enum omp_parallel_type): Remove.
12930 (gimple_boolify): Declare extern.
12931 (find_omp_clause, determine_parallel_type): Remove.
12933 * gimple-low.c (lower_omp_directive): New.
12934 (lower_stmt): Call it.
12935 (record_vars_into): Move from ...
12936 (record_vars): ... here.
12937 Call record_vars_into with current_function_decl.
12939 * gimplify.c (struct gimplify_ctx): Remove fields
12940 combined_pre_p and combined_ctxp. Update users.
12941 (get_formal_tmp_var): Add documentation.
12942 (gimple_boolify): Make extern.
12943 (gimplify_expr_in_ctx): Remove. Update callers.
12944 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12945 will always be a BIND_EXPR.
12946 (gimplify_expr): Handle OMP_RETURN_EXPR.
12947 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12948 (OMP_PARALLEL): Add 3 operands.
12949 (OMP_SECTIONS): Add 1 operand.
12950 (OMP_RETURN_EXPR): Define.
12952 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12953 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12954 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12955 creating a circular free list.
12956 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12958 * tree-flow.h (move_sese_region_to_fn): Declare.
12959 (record_vars_into): Declare.
12960 * tree-cfg.c (make_omp_sections_edges): New.
12961 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12962 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12963 OMP_SECTIONS and OMP_SECTION.
12964 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12965 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12966 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12967 (gather_blocks_in_sese_region): New.
12968 (struct move_stmt_d): Declare.
12969 (move_stmt_r): New.
12970 (move_block_to_fn): New.
12971 (move_sese_region_to_fn): New.
12973 * passes.c (init_optimization_passes): Schedule
12974 pass_expand_omp after pass_init_datastructures.
12976 * tree-ssa-operands.c (get_expr_operands): Handle
12977 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12978 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12980 2006-01-19 Jeff Law <law@redhat.com>
12982 * tree-vrp.c (extract_range_from_assert): Refine the result range
12983 if the variable referenced by the ASSERT_EXPR has a range and
12984 either the tentative result range or the previous range is a
12987 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12989 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12991 2006-01-19 Jan Hubicka <jh@suse.cz>
12993 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12995 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12997 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12998 (expand_compound_operation, expand_field_assignment): Fail if the
12999 bit lengths of an extract operation are out of range.
13000 (make_extraction): Compute wanted_inner_mode based on the position
13001 and length of the extraction. Make it extraction_mode for non-constant
13002 positions, and do not modify offset in that case. When generating a
13003 new MEM, use a mode that can hold the extraction while keeping correct
13004 alignment. Remove code that supported MEMs wrapped by USEs.
13005 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13007 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13009 * config/s390/s390.md ("Y", "y"): New mode attribute.
13010 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13011 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13012 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13013 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13014 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13015 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13016 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13017 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13018 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13019 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13020 "addsi3", "subsi3"): Insn patterns removed.
13021 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13022 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13023 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13024 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13025 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13026 "*sub<mode>3_cconly2"): New insn patterns.
13027 ("addsi3", "subsi3"): New expanders.
13029 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13031 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13032 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13033 existing STMT_VINFO_VECTYPE if available.
13034 (vect_mark_relevant): Add special handling for stmts that are
13035 marked as STMT_VINFO_IN_PATTERN_P.
13036 (vect_analyze_loop): Call vect_pattern_recog.
13037 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13038 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13040 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13041 (vect_recog_func_ptr): New function-pointer type.
13042 * tree-vect-patterns.c: New file.
13043 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13044 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13045 (vect_pattern_recog_1): New functions.
13046 (vect_pattern_recog_funcs): New array of function pointers.
13048 * tree-vectorizer.h (ternary_op): New enum value.
13049 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13050 declaration. Revised documentation. Removed redundant dump prints.
13051 Removed redundant argument. Added support for reduction patterns.
13052 (vectorizable_reduction): Added support for reduction patterns.
13053 (vect_transform_stmt): Added support for patterns.
13055 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13056 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13057 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13058 (expand_widen_pattern_expr): New function.
13059 (init_optabs): Initialize new optabs udot_prod_optab,
13061 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13062 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13063 (expand_widen_pattern_expr): New function declaration.
13064 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13066 * tree-inline.c (estimate_num_insns_1): Added cases for new
13067 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13068 * tree-pretty-print.c (dump_generic_node): Likewise.
13069 (op_prio): Likewise.
13070 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13071 * tree-ssa-operands.c (get_expr_operands): Added case for
13073 * tree-vect-patterns.c (widened_name_p): New function.
13074 (vect_recog_dot_prod_pattern): Added function implementation.
13075 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13076 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13077 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13078 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13080 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13081 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13082 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13083 (init_optabs): Initialize new optabs widen_ssum_optab,
13085 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13086 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13087 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13088 use instead of type of def.
13089 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13090 function implementation.
13091 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13092 widen_ssumv8hi): New.
13094 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13097 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13100 * c-decl.c (add_flexible_array_elts_to_size): New function.
13101 (finish_decl): Use it.
13103 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13105 * diagnostic.h: Include options.h.
13106 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13107 dependancies for diagnostic.h.
13108 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13110 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13112 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13113 (ssa_ro_call_cache_valid): Ditto.
13114 * tree-ssa-alias.c (sort_tags_by_id): New function.
13115 (init_transitive_clobber_worklist): Ditto.
13116 (add_to_worklist): Ditto.
13117 (mark_aliases_call_clobbered): Ditto.
13118 (compute_tag_properties): Ditto.
13119 (set_initial_properties): Ditto.
13120 (compute_call_clobbered): Ditto.
13121 (compute_may_aliases): Call compute_call_clobbered and grouping.
13122 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13123 (compute_flow_insensitive_aliasing): Grouping now happens in our
13125 (setup_pointers_and_addressables): Remove clobbering related code.
13126 (add_may_alias): Ditto.
13127 (replace_may_alias): Ditto.
13128 (get_nmt_for): Ditto.
13129 (create_global_var):
13130 (is_escape_site): Return an escape_type enumeration.
13131 * tree-flow-inline.h (is_call_clobbered): Global var does not
13132 imply call clobbered.
13133 (mark_call_clobbered): Take a reason for marking this. Remove
13134 marking of globalness, and cache invalidation.
13135 (clear_call_clobbered): Remove cache invalidation code.
13136 * tree-dfa.c (dump_variable): If details is on, dump the reason
13138 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13140 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13141 (struct var_ann_d): Ditto.
13142 (enum escape_type): New.
13143 (mark_call_clobbered): Adjust prototype.
13144 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13145 are never call clobbered.
13146 Record reasons for escaping.
13147 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13148 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13149 (ssa_ro_call_cache_valid): Ditto.
13150 (clobbered_v_may_defs): Ditto.
13151 (clobbered_vuses): Ditto.
13152 (ro_call_vuses): Ditto.
13153 (clobber_stats): New.
13154 (init_ssa_operands): Zero out clobber stats.
13155 (fini_ssa_operands): Print out clobber stats.
13156 (get_call_expr_operands): Pass callee fndecl to
13157 add_call_read_ops).
13158 (add_call_clobber_ops): Remove use of cache.
13159 Add use of PURE_CONST information.
13160 (add_call_read_ops): Remove use of cache.
13161 Add use of static not_read information.
13163 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13165 Introduce TLS descriptors for i386 and x86_64.
13166 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13167 (TARGET_ANY_GNU_TLS): New macro.
13168 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13169 (struct machine_function): Add tls_descriptor_call_expanded_p.
13170 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13171 (ix86_current_function_calls_tls_descriptor): Likewise.
13172 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13173 (override_options): Introduce gnu2 tls dialect.
13174 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13176 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13178 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13179 (ix86_init_machine_status): Initialize new field.
13180 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13181 (ix86_tls_module_base): New.
13182 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13183 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13184 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13185 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13186 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13187 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13188 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13189 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13190 * config/i386/predicates.md (tls_modbase_operand): New.
13191 (tp_or_register_operand): New.
13193 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13195 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13196 (look_for_address_of): Ditto.
13197 (ipa_init): Walk the function decls.
13198 (static_execute): Don't set readonly on FUNCTION_DECL's.
13200 2006-01-18 Roger Sayle <roger@eyesopen.com>
13202 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13203 for shifts where the source and destination registers are different.
13205 2006-01-18 Paul Brook <paul@codesourcery.com>
13207 Merge from csl-arm-branch.
13208 2005-03-14 Julian Brown <julian@codesourcery.com>
13209 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13210 (aeabi_llsl): Likewise.
13211 (ashrdi3): Likewise.
13212 (aeabi_lasr): Likewise.
13213 (lshrdi3): Likewise.
13214 (aeabi_llsr): Likewise.
13215 2005-03-10 Julian Brown <julian@codesourcery.com>
13216 * config.gcc: Disable shared libgcc for SymbianOS.
13217 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13219 2006-01-18 DJ Delorie <dj@redhat.com>
13221 * c-pragma.c (handle_pragma_diagnostic): New.
13222 (init_pragma): Register it.
13223 * doc/extend.texi: Document it.
13225 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13226 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13227 (diagnostic_context): Add classify_diagnostic[].
13228 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13229 as errors if they're overridden to DK_WARNING.
13230 (diagnostic_initialize): Initialize classify_diagnostic[].
13231 (diagnostic_set_kind_override): New.
13232 (diagnostic_report_diagnostic): Check for kind changes.
13233 * opts.c (common_handle_option): Take lang_mask. Update callers.
13234 Handle OPT_Werror_.
13235 * common.opt (Werror=): New.
13236 * doc/invoke.texi: Document -Werror=*
13238 2006-01-18 Jeff Law <law@redhat.com>
13240 * tree-vrp.c (test_for_singularity): Correct test for new
13241 min limit. Use operand_equal_p rather than pointer equality
13242 for testing if new min/max values are equal.
13244 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13245 using range information until after propagation and folding.
13247 2006-01-18 Richard Henderson <rth@redhat.com>
13248 Aldy Hernandez <aldyh@redhat.com>
13249 Jakub Jelinek <jakub@redhat.com>
13250 Diego Novillo <dnovillo@redhat.com>
13252 * omp-low.c: New file.
13253 * c-omp.c: New file.
13255 2006-01-18 Richard Henderson <rth@redhat.com>
13256 Jakub Jelinek <jakub@redhat.com>
13257 Diego Novillo <dnovillo@redhat.com>
13259 * doc/invoke.texi: Document -fopenmp.
13260 * tree-dump.h (debug_function): Declare.
13261 * hooks.c (hook_bool_tree_bool_false): New function.
13262 (hook_tree_tree_null): Remove.
13263 (hook_tree_tree_tree_null): New.
13264 * hooks.h: Update to match.
13265 * tree-pretty-print.c (debug_tree_chain): New.
13266 (print_generic_expr): Handle TDF_CHAIN.
13267 (dump_generic_node): Handle BLOCK.
13268 Do not abort with incomplete SWITCH_EXPRs.
13269 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13270 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13271 print space after directive name.
13272 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13273 Handle OMP_MASTER and OMP_ORDERED.
13274 Handle printing of OMP_BODY just in one place, goto
13275 dump_omp_body in the rest of OMP_* nodes that have
13277 Don't handle clause nodes here. Update omp statements to
13278 use dump_omp_clauses.
13279 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13280 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13281 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13282 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13283 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13284 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13285 Adjust output for GOMP_PARALLEL.
13286 (dump_omp_clauses): New.
13287 (print_declaration): Dump DECL_VALUE_EXPR.
13288 (op_symbol_1): Split out of op_symbol.
13289 (dumping_stmts): Remove. Update all users.
13290 * cgraph.c (cgraph_analyze_queue): New.
13291 (cgraph_add_new_function): New.
13292 * cgraph.h (cgraph_analyze_queue): Declare.
13293 (cgraph_add_new_function): Declare.
13294 (cgraph_lower_function): Remove.
13295 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13296 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13297 and TYPE_P nodes in its default clause.
13298 (empty_body_p): New.
13299 (tree_range_check_failed): New.
13300 (build5_stat): New.
13301 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13302 OMP_CLAUSE_REDUCTION_MERGE,
13303 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13304 OMP_CLAUSE_PRIVATE_DEBUG,
13305 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13306 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13307 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13308 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13309 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13310 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13311 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13312 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13313 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13314 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13315 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13316 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13317 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13318 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13319 (TREE_RANGE_CHECK): New.
13320 (empty_body_p): Declare.
13321 (enum omp_clause_default_kind): New.
13322 (build_string_literal): Declare.
13323 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13324 (build5_stat, build5): Declare.
13325 * tree-pass.h (TDF_CHAIN): Define.
13326 * tree-pass.h (PROP_gimple_lomp): Define.
13327 (pass_lower_omp): Declare.
13328 * diagnostic.h (debug_tree_chain): Declare.
13329 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13331 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13332 * builtins.c (build_string_literal): Make extern.
13333 * gcc.c (include_spec_function): New.
13334 (static_spec_functions): Add it.
13335 (main): Move load of libgomp.spec ...
13336 (LINK_COMMAND_SPEC): ... here.
13337 (link_gomp_spec): New.
13338 (static_specs): Include it.
13339 (LINK_COMMAND_SPEC): Add link_gomp.
13340 (GOMP_SELF_SPECS): New.
13341 (driver_self_specs): Include it.
13342 (switch_matches): Don't mark inline.
13343 (main): Load libgomp.spec.
13344 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13345 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13346 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13347 * tree-gimple.h (enum omp_parallel): Declare.
13348 (determine_parallel_type): Declare.
13349 (omp_firstprivatize_variable): Declare.
13350 (omp_reduction_init): Declare.
13351 (diagnose_omp_structured_block_errors): Declare.
13352 (struct walk_stmt_info): Add want_return_expr.
13353 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13354 (find_omp_clause): Declare.
13355 (insert_field_into_struct): Declare.
13356 (struct walk_stmt_info): Move from tree-nested.c
13357 (walk_stmts): Declare.
13358 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13360 * cgraphunit.c (cgraph_lower_function): Make static.
13361 (cgraph_finalize_pending_functions): New.
13362 (cgraph_finalize_function): Call it.
13363 (cgraph_finalize_compilation_unit): Likewise.
13364 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13365 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13366 (BT_FN_UINT_UINT): New.
13367 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13368 DEF_FUNCTION_TYPE_VAR_4): Document.
13369 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13370 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13371 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13372 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13373 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13374 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13375 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13376 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13377 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13378 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13379 into separate files.
13380 (DEF_GOMP_BUILTIN): New.
13381 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13382 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13383 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13384 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13385 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13386 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13387 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13388 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13389 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13390 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13391 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13392 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13393 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13394 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13395 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13396 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13397 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13398 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13399 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13400 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13401 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13402 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13403 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13404 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13405 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13406 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13407 * sync-builtins.def: New file, moved from builtins.def.
13408 * omp-builtins.def: New file, moved from builtins.def.
13409 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13410 * gimple-low.c (lower_function_body): Clear data.
13411 (lower_stmt): Do not handle COMPOUND_EXPR.
13412 Remove call to print_node_brief.
13413 * c-tree.h (c_finish_omp_clauses): New prototype.
13414 (C_DECL_THREADPRIVATE_P): Define.
13415 (lookup_name_no_remap, c_omp_remap_private): Remove
13416 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13417 (check_for_loop_decls): Update decl.
13418 (lookup_name_no_remap, c_omp_remap_private): Declare.
13419 (build_indirect_ref, build_modify_expr, pushdecl,
13420 pushdecl_top_level): Move to c-common.h.
13421 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13422 before the switch, but just in the 2 places that need it.
13423 * c-decl.c (diagnose_mismatched_decls): Do not check for
13424 mismatched thread-local attributes when OLDDECL is marked
13425 threadprivate and NEWDECL has no thread-local attributes.
13426 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13427 (c_gimple_diagnostics_recursively): Rename from
13428 c_warn_unused_result_recursively. Invoke
13429 diagnose_omp_structured_block_errors.
13430 (check_for_loop_decls): Return a singular decl found.
13431 * langhooks.c (lhd_omp_predetermined_sharing): Return
13432 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13433 (lhd_omp_firstprivatize_type_sizes): New.
13434 (lhd_omp_assignment): New.
13435 (lhd_omp_predetermined_sharing): New.
13436 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13437 (struct lang_hooks_for_types): Add
13438 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13439 omp_predetermined_sharing, omp_disregard_value_expr,
13440 omp_private_debug_clause, omp_clause_default_ctor,
13441 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13442 (c_finish_omp_clauses): New.
13443 (c_finish_bc_stmt): Diagnose break within omp for.
13444 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13445 (build_unary_op): Return error_mark after reporting
13447 (build_modify_expr): Likewise.
13448 * gimplify.c: Include optabs.h and pointer-set.h.
13449 (enum gimplify_omp_var_data): Declare.
13450 (struct gimplify_omp_ctx): Declare.
13451 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13453 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13454 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13455 (splay_tree_compare_decl_uid): New.
13456 (new_omp_context): New.
13457 (delete_omp_context): New.
13458 (gimple_add_tmp_var): Call omp_add_variable.
13459 (gimplify_bind_expr): Likewise.
13460 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13461 true, disregard DECL_VALUE_EXPR on the decl if any.
13462 (gimplify_expr_in_ctx): New.
13463 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13464 omp_add_variable, omp_notice_variable, omp_is_private
13465 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13466 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13467 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13468 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13469 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13470 gimplify_omp_atomic): New.
13471 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13472 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13473 OMP_CRITICAL and OMP_ATOMIC.
13474 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13475 * c-pragma.h (enum pragma_kind): Add
13476 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13477 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13478 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13479 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13480 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13481 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13482 PRAGMA_OMP_THREADPRIVATE.
13483 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13484 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13485 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13486 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13487 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13488 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13489 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13490 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13491 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13492 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13493 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13494 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13495 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13497 (struct nesting_info): Add field_map,
13498 suppress_expansion, debug_var_chain.
13499 (create_nesting_tree): Initialize them.
13500 (lookup_field_for_decl): Use field_map.
13501 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13502 (convert_local_omp_clauses): New.
13503 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13504 (walk_body): Split out of walk_function.
13505 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13506 (convert_nonlocal_reference): Handle omp statements.
13507 (convert_local_reference): Likewise.
13508 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13509 (unnest_nesting_tree): New.
13510 (lower_nested_functions): Call it.
13511 (insert_field_into_struct): Make extern.
13512 (struct walk_stmt_info): Move to tree-gimple.h.
13513 (walk_stmts): Make extern.
13514 * omp-builtins.def: New file.
13515 * tree-iterator.c (expr_only): Clarify comment.
13516 * c-common.h (pushdecl_top_level, pushdecl,
13517 build_modify_expr, build_indirect_ref,
13518 c_finish_omp_master, c_finish_omp_critical,
13519 c_finish_omp_ordered, c_finish_omp_barrier,
13520 c_finish_omp_atomic, c_finish_omp_flush,
13521 c_finish_omp_for, c_split_parallel_clauses,
13522 omp_clause_default_kind, c_omp_sharing_predetermined,
13523 c_omp_remap_decl): Declare.
13524 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13525 (OBJS-common): Add omp-low.o.
13526 (c-omp.o, omp-low.o): Add.
13527 (gimplify.o): Add dependency on $(OPTABS_H).
13528 (GTFILES): Add omp-low.c.
13529 (gt-stringpool.h): Add.
13530 * tree-cfg.c (set_bb_for_stmt): Do not update the
13531 block-to-labels map if we are currently expanding to RTL.
13532 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13534 Handle IDENTIFIER_NODE.
13535 (tree_verify_flow_info): Do not ICE when emitting error
13536 messages about invalid labels.
13537 (dump_function_to_file): Reset CFUN before emitting the body
13539 (debug_function): New.
13540 * passes.c (init_optimization_passes): Schedule
13542 * langhooks-def.h (lhd_omp_predetermined_sharing,
13543 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13545 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13546 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13547 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13548 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13549 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13550 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13551 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13552 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13553 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13554 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13555 (LANG_HOOK_DECLS): Use them.
13557 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13558 Richard Henderson <rth@redhat.com>
13559 Jakub Jelinek <jakub@redhat.com>
13560 Diego Novillo <dnovillo@redhat.com>
13562 * c-parser.c (pragma_omp_clause): Define.
13563 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13564 (c_parser_compound_statement): Likewise.
13565 (c_parser_statement): Likewise.
13566 (c_parser_pragma): Handle omp pragmas.
13567 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13568 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13569 (c_parser_omp_clause_name, check_no_duplicate_clause,
13570 c_parser_omp_variable_list,
13571 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13572 c_parser_omp_clause_copyprivate,
13573 c_parser_omp_clause_default,
13574 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13575 c_parser_omp_clause_lastprivate,
13576 c_parser_omp_clause_nowait,
13577 c_parser_omp_clause_num_threads,
13578 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13579 c_parser_omp_clause_reduction,
13580 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13581 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13582 c_parser_omp_atomic, c_parser_omp_barrier,
13583 c_parser_omp_critical, c_parser_omp_flush,
13584 c_parser_omp_for_loop, c_parser_omp_for,
13585 c_parser_omp_master, c_parser_omp_ordered,
13586 c_parser_omp_sections_scope, c_parser_omp_sections,
13587 c_parser_omp_parallel, c_parser_omp_single,
13588 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13589 * c-pragma.c (init_pragma): Do omp pragma registration here.
13590 * c.opt (fopenmp): New flag.
13592 2006-01-18 Eric Christopher <echristo@apple.com>
13594 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13595 * config/darwin.h (GOMP_SELF_SPECS): Define.
13597 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13599 * rtl.h: Remove the prototype for reg_alloc.
13601 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13604 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13605 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13606 sjlj and dwarf2 exception handling.
13607 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13608 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13609 * pa/pa.c (function_value): Treat complex and vector types as
13611 (function_arg): Likewise. Only pass scalar floats in the floating
13612 point argument registers.
13613 * pa/t-slibgcc-dwarf-ver: New file.
13614 * pa/t-slibgcc-sjlj-ver: New file.
13615 * pa/t-slibgcc-elf-ver: Delete file.
13617 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13619 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13620 unlikely_test_section_p test.
13622 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13624 * mode-switching.c (optimize_mode_switching): Make it static.
13625 * basic-block.h: Remove the prototype for
13626 optimize_mode_switching.
13628 * modulo-sched.c (sms_schedule): Make it static.
13629 * rtl.h: Remove the prototype for sms_schedule.
13631 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13632 * rtl.h: Remove the prototype for gcse_after_reload_main.
13634 * reg-stack.c (reg_to_stack): Make it static.
13635 * rtl.h: Remove the prototype for reg_to_stack.
13637 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13639 * rtl.h: Remove the prototypes for regrename_optimize and
13640 copyprop_hardreg_forward.
13642 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13644 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13645 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13646 Test against the appropriate null constant for the mode.
13647 If 'fixup_overlap' is true, swap the operands if they overlap.
13648 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13649 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13650 alpha_split_tmode_pair and adjust for above change.
13651 * config/alpha/alpha.md (movtf_internal): Adjust call to
13652 alpha_split_tfmode_pair and rely on it to swap the operands.
13653 (movti_internal): New insn and post-reload splitter.
13654 (movti): New expander.
13656 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13658 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13661 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13663 * rtlanal.c (global_reg_mentioned_p_1,
13664 global_reg_mentioned_p): Remove.
13665 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13667 * flow.c (initialize_uninitialized_subregs): Make it static.
13668 * rtl.h: Remove the prototype for
13669 initialize_uninitialized_subregs.
13671 * function.c (instantiate_virtual_regs): Make it static.
13672 * function.h: Remove the prototype for
13673 instantiate_virtual_regs.
13675 * regmove.c (regmove_optimize, combine_stack_adjustments):
13677 * rtl.h: Remove the prototypes for regmove_optimize and
13678 combine_stack_adjustments.
13680 2006-01-17 Roger Sayle <roger@eyesopen.com>
13682 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13683 (size_cost): Encode costs in bytes so that a reg-reg addition is
13684 equivalent to COSTS_N_INSNS(1).
13685 (override_options): Use the size_cost.branch_cost as the default
13686 ix86_branch_cost when optimizing for size.
13688 2006-01-18 Ben Elliston <bje@au.ibm.com>
13690 * Makefile.in (D32PBIT_FUNCS): New.
13691 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13692 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13693 D64PBIT_FUNCS and D128PBIT_FUNCS.
13694 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13695 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13697 (decnumber_dep): Define.
13698 * doc/libgcc.texi (Decimal float library routines): New node.
13699 * config/dfp-bit.h, config/dfp-bit.c: New files.
13701 2006-01-18 Ben Elliston <bje@au.ibm.com>
13703 * expr.c (emit_move_change_mode): Always adjust addresses, not
13704 just during reload. Copy replacements only during reload.
13705 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13706 emit_move_via_integer.
13708 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13710 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13711 instead of $(srcdir) and ${srcdir}.
13713 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13716 PR middle-end/11135
13717 * arm.h (struct machine_function): Add pic_reg.
13718 * arm.c (arm_pic_register): Make unsigned.
13719 (arm_override_options): Only set arm_pic_register if
13720 TARGET_SINGLE_PIC_BASE.
13721 (use_return_insn): Only test for a pic register if it is fixed.
13722 (arm_compute_save_reg0_reg12_mask): Likewise.
13723 (thumb_compute_save_reg_mask): Likewise.
13724 (legitimate_pic_operand): Factor out some known invariants.
13725 (legitimize_pic_address): If we don't have a fixed pic register,
13726 then set up a pseudo in the function entry sequence. Handle the
13727 pic base being in a pseudo.
13728 (arm_load_pic_register): Handle the pic register being in a pseudo.
13729 (arm_expand_prologue): Only set up the pic register if it is fixed.
13730 (thumb_expand_prologue): Likewise.
13731 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13732 (pic_load_addr_based_insn): Likewise.
13733 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13736 2006-01-18 Ben Elliston <bje@au.ibm.com>
13738 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13739 decimal float modes for all floating point registers.
13741 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13742 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13744 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13747 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13748 even when the pointer is not NULL.
13750 2006-01-16 Ian Lance Taylor <ian@airs.com>
13752 * common.opt (ftoplevel-reorder): New option.
13753 * cgraph.c (cgraph_asm_nodes): New global variable.
13754 (cgraph_asm_last_node): New static variable.
13755 (cgraph_order): New global variable.
13756 (cgraph_create_node): Set new order field.
13757 (cgraph_varpool_node): Likewise.
13758 (decide_is_variable_needed): Return true if not
13759 flag_toplevel_reorder.
13760 (cgraph_add_asm_node): New function.
13761 * cgraph.h (struct cgraph_node): Add order field.
13762 (struct cgraph_varpool_node): Add order field.
13763 (struct cgraph_asm_node): Define.
13764 (cgraph_asm_nodes, cgraph_order): Declare.
13765 (cgraph_add_asm_node): Declare.
13766 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13768 (cgraph_varpool_assemble_pending_decls): Call it.
13769 (cgraph_output_pending_asms): New static function.
13770 (cgraph_finalize_compilation_unit): Call it.
13771 (struct cgraph_order_sort): Define.
13772 (cgraph_output_in_order): New static function.
13773 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13774 !flag_toplevel_reorder case.
13775 * c-parser.c: Include "cgraph.h".
13776 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13778 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13779 than -fno-unit-at-a-time.
13780 * doc/invoke.texi (Option Summary): Mention
13781 -fno-toplevel-reorder.
13782 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13783 -funit-at-a-time documentation.
13785 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13786 Kazu Hirata <kazu@codesourcery.com>
13788 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13790 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13792 * Makefile.in (FUNCTION_H): New. Use it instead of
13793 function.h throughout the file.
13794 * function.h: Include tree.h.
13796 2006-01-17 Ben Elliston <bje@au.ibm.com>
13798 * recog.c: Separate some functions with whitespace.
13800 2006-01-16 Richard Henderson <rth@redhat.com>
13802 Merge from gomp branch:
13803 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13804 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13805 and rename from struct inline_data. Rename callee* to dst*;
13806 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13807 transform_new_cfg, transform_return_to_modify, and
13808 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13810 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13811 (copy_decl_for_dup): Remove.
13812 * tree-inline.c (struct inline_data): Move to header.
13813 (insert_decl_map): Export.
13814 (remap_decl): Update for member name changes. Use copy_decl hook.
13815 Allow for replacement to be a non-decl. Remove dead code.
13816 (remap_type_1): Check for existing mapping.
13817 (remap_type): Export.
13818 (remap_decls): Update for member name changes.
13819 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13820 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13821 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13822 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13823 (tree_function_versioning, build_duplicate_type): Likewise.
13824 (copy_body_r): Likewise. Export.
13825 (copy_decl_for_dup): Split into ...
13826 (copy_decl_for_dup_finish, copy_decl_to_var,
13827 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13828 (replace_ref_tree, inlining_p): Remove.
13830 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13832 * ifcvt.c (if_convert): Make it static.
13833 * rtl.h: Remove the prototype for if_convert.
13835 * local-alloc.c (local_alloc): Make it static.
13836 * rtl.h: Remove the prototype for local_alloc.
13838 * loop.c (loop_optimize): Make it static.
13839 * cfgloop.h: Remove the prototype for loop_optimize.
13842 2006-01-16 DJ Delorie <dj@redhat.com>
13844 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13847 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13849 * pa.md: Disparage copies between general and floating-point registers
13850 in 32-bit move patterns.
13852 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13855 * Makefile.in (check-%): Depend on site.exp instead of
13856 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13859 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13861 * global.c (global_alloc): Make it static.
13862 * rtl.h: Remove the prototype for global_alloc.
13864 2006-01-16 Richard Guenther <rguenther@suse.de>
13866 * tree-ssa-alias.c (struct used_part): Add write_only field.
13867 (get_or_create_used_part_for): Initialize it to true.
13868 (create_overlap_variables_for): Don't create structure variables
13869 for structures that only are written to.
13870 (find_used_portions): Handle MODIFY_EXPR to track whether a
13871 structure is only written to.
13873 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13875 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13877 * basic-block.h: Remove the prototype for
13878 partition_hot_cold_basic_blocks.
13880 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13882 * cppspec.c (lang_specific_spec_functions): Remove.
13883 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13884 * gcc.h (lang_specific_spec_functions): Remove.
13885 * gccspec.c (lang_specific_spec_functions): Remove.
13887 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13889 * combine.c (record_value_for_reg): Invalidate registers
13891 (record_dead_and_set_regs_1): Likewise, by passing them to
13892 record_value_for_reg.
13893 (record_dead_and_set_regs): Invalidate stores made by a
13894 call. We do not combine across a call, but we still
13895 relied on equivalences.
13897 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13899 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13900 vrp_int_const_binop returning non-constant nodes.
13902 2006-01-16 Paul Brook <paul@codesourcery.com>
13904 * config/m68k/m68k.c (output_move_const_into_data_reg):
13905 Output correct mnemonic for mvz and mvs.
13907 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13909 * rtl-factoring.c: Add sequence abstraction algorithm.
13910 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13911 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13913 (block_has_preserve_label): New function.
13914 * common.opt: Register new pass.
13915 * Makefile.in: Ditto.
13917 * timevar.def: Ditto.
13918 * tree-pass.h: Ditto.
13919 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13920 * rtl.h (make_jump_insn_raw): Add forward decl.
13921 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13923 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13924 Roger Sayle <roger@eyesopen.com>
13926 * fold-const.c (fold_minmax): New static function.
13927 (fold_binary) <MIN_EXPR>: Call it.
13928 <MAX_EXPR>: Likewise.
13929 * stor-layout.c (place_field): Use DECL_SIZE consistently
13930 in the computation of the new record size.
13932 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13934 * cse.c (cse_condition_code_reg): Make it static.
13935 * rtl.h: Remove the prototype for cse_condition_code_reg.
13937 * combine.c (combine_instructions): Make it static.
13938 * rtl.h: Remove the prototype for combine_instructions.
13940 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13943 * tree.c (get_file_function_name_long): Concatenate the first global
13944 object name with a string derived from the input filename of the object
13947 2006-01-16 Ben Elliston <bje@au.ibm.com>
13949 * config/i386/winnt-stubs.c: Update FSF address.
13950 * config/xtensa/ieee754-df.S: Ditto.
13951 * config/xtensa/ieee754-sf.S: Ditto.
13953 2006-01-14 Ian Lance Taylor <ian@airs.com>
13955 * ifcvt.c (noce_init_if_info): New static function, broken out of
13956 noce_process_if_block.
13957 (noce_process_if_block): Call noce_init_if_info.
13958 (check_cond_move_block): New static function.
13959 (cond_move_process_if_block): New static function.
13960 (process_if_block): Call cond_move_process_if_block.
13962 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13964 * cselib.c (hash_table): Rename to cselib_hash_table.
13965 (cselib_clear_table, discard_useless_values,
13966 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13967 cselib_init, cselib_finish): Adjust uses of hash_table.
13969 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13971 PR tree-optimization/25485
13972 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13973 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13974 is known to be false and true, respectively.
13976 2006-01-14 Richard Guenther <rguenther@suse.de>
13978 PR tree-optimization/22548
13979 PR tree-optimization/22555
13980 PR tree-optimization/22501
13981 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13982 * params.def (salias-max-array-elements): New parameter.
13983 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13984 * doc/invoke.texi (salias-max-array-elements): Document.
13985 * tree-flow-inline.h (var_can_have_subvars): We also handle
13987 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13989 * tree-ssa-structalias.c (params.h): Include.
13990 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13991 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13992 (get_constraint_for): For ADDR_EXPR operating on something
13993 containing an ARRAY_REF, add all subvars to the solution.
13994 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13995 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13996 for creating MUST_DEFs.
13997 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13999 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14001 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14003 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14004 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14005 number_of_iterations_le): New functions.
14006 (number_of_iterations_special): Removed.
14007 (number_of_iterations_exit): Do not use number_of_iterations_special.
14008 * tree.c (unsigned_type_for): Always return integer type.
14010 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14011 Richard Guenther <rguenther@suse.de>
14013 PR rtl-optimization/24257
14014 * gcse.c (find_moveable_store): Only consider a store movable
14015 when the SET_SRC of the insn can be assigned to a register.
14017 2006-01-14 Ian Lance Taylor <ian@airs.com>
14019 * tree.c (tree_not_class_check_failed): New function.
14020 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14021 (tree_not_class_check_failed): Declare.
14023 2006-01-13 Ian Lance Taylor <ian@airs.com>
14025 * reload1.c (do_output_reload): Add assertion rejecting a
14028 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14030 * combine.c (struct reg_stat): Add new fields truncation_label and
14032 (record_value_for_reg): Reset truncated_to_mode.
14033 (record_truncated_value): New function.
14034 (check_promoted_subreg): Call it. Rename to check_conversions.
14035 (combine_instructions): Rename check_promoted_subreg to
14037 (reg_truncated_to_mode): New function.
14038 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14039 (gen_lowpart_or_truncate): New function.
14040 (force_to_mode): Use it instead of gen_lowpart.
14042 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14044 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14045 VAR is a tag, not its type tag.
14047 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14049 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14050 alternatives to match style of other entries.
14051 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14053 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14055 PR tree-optimization/25771
14056 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14059 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14062 * tree-inline.c (declare_return_variable): If the return variable
14063 was marked as a non gimple complex, set the return slot variable
14064 to be a non gimple comple variable.
14066 2006-01-13 Richard Guenther <rguenther@suse.de>
14068 * builtins.c (expand_builtin_sincos): New function.
14069 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14071 (expand_builtin): Expand sincos using expand_builtin_sincos.
14073 2006-01-12 DJ Delorie <dj@redhat.com>
14075 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14076 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14077 so that constant shifts can be split.
14078 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14079 (m32c_valid_pointer_mode): Make static.
14080 (shift_gen_func_for): New.
14081 (m32c_prepare_shift): Use it. Split large const shifts into
14083 * config/m32c/predicates.md (shiftcount_operand): Allow more
14085 (longshiftcount_operand): New.
14086 * doc/md.texi (Machine Constraints): Document In6.
14088 2006-01-13 Ben Elliston <bje@au.ibm.com>
14090 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14091 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14094 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14096 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14097 to try to avoid clobbering pieces of structures when we know
14098 something about the whole structure.
14099 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14101 2006-01-13 Ben Elliston <bje@au.ibm.com>
14103 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14104 return in memory, as this is no limitation is no longer present.
14106 2006-01-12 DJ Delorie <dj@redhat.com>
14108 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14109 mova with fb, and for fb+0 -> An.
14111 * config/m32c/mov.md (peephole2): Fix enabling logic.
14113 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14114 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14115 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14116 FINI_ARRAY_SECTION_ASM_OP): Define.
14118 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14120 (m32c_legitimize_reload_address): New logic to reload FB to An.
14121 (m32c_output_reg_push): Add newline.
14122 (m32c_output_reg_pop): Likewise.
14124 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14126 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14128 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14130 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14132 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14134 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14137 2006-01-11 Ben Elliston <bje@au.ibm.com>
14139 * rtlanal.c (find_reg_note): Assert insn is not null.
14141 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14143 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14146 2006-01-11 Jeff Law <law@redhat.com>
14148 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14150 (mark_threaded_blocks, register_jump_thread): New functions.
14151 (thread_through_all_blocks): Remove unwanted argument. No
14152 longer rely on e->aux to communicate thread target info.
14153 Call mark_threaded_blocks. Release the threaded_blocks
14154 bitmap and threaded_edges vector when complete.
14155 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14156 (threaded_blocks): Remove.
14157 (tree_ssa_dominator_optimize): Remove initialization and
14158 finalization of threaded_blocks. Simplify call to
14159 thread_through_all_blocks.
14160 (thread_across_edge): Call register_jump_thread rather than
14161 storing thread information into e->aux.
14162 (free_all_edge_infos): Simplify now that e->aux is no longer
14163 used to communicate with thread_through_all_blocks.
14164 * tree-flow.h (thread_through_all_blocks): Update prototype.
14165 (register_jump_thread): Prototype.
14167 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14169 * df-core.c (df_compact_blocks, df_bb_replace): Use
14170 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14172 2006-01-11 Richard Guenther <rguenther@suse.de>
14174 PR tree-optimization/25734
14175 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14176 stop propagation after successful propagation to the LHS.
14178 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14180 * basic-block.h (control_flow_graph): Change the type of
14181 x_basic_block_info to VEC(basic_block,gc) *.
14182 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14184 (SET_BASIC_BLOCK): New.
14185 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14186 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14187 * cfgbuild.c (find_basic_blocks): Likewise.
14188 * cfglayout.c (fixup_reorder_chain): Likewise.
14189 * cfgrtl.c (create_basic_block_structure,
14190 rtl_create_basic_block): Likewise.
14191 * ifcvt.c (find_if_case_1): Likewise.
14192 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14195 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14197 * Makefile.in: Removed rotted odf.c entry.
14199 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14202 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14203 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14204 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14205 output pattern modifier, not %e.
14206 * config/cris/cris.c (cris_op_str): Update comment about pattern
14208 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14209 before falling through into...
14210 <case 'E'>: Redefined from old 'e' case.
14212 2006-01-11 Jan Hubicka <jh@suse.cz>
14215 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14217 2006-01-11 Jan Hubicka <jh@suse.cz>
14219 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14220 * i386.c (x86_decompose_lea): Kill.
14221 (ix86_rtx_costs): Kill.
14223 2006-01-11 Jan Hubicka <jh@suse.cz>
14225 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14226 * cgraph.h (cgraph_node): Add inline_decl.
14227 (cgraph_insert_node_to_hashtable): Declare.
14228 (save_inline_function_body): Declare.
14229 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14231 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14232 (cgraph_function_versioning): Update call of tree_function_versioning.
14233 (save_inline_function_body): New function.
14234 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14235 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14236 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14237 (cgraph_default_inline_p): Likewise.
14238 (cgraph_decide_inlining_incrementally): Likewise.
14239 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14240 (copy_bb): Kill saving; do updating of clones.
14241 (copy_cfg_body): Kill saving.
14242 (initialize_inlined-parameters): Likewise.
14243 (expand_call_inline): Likewise.
14245 (tree_function_versioning): New parameter "update_clones".
14246 (inlining_p): Kill saving.
14247 * tree-inline.h (tree_function_versioning): Update prototype.
14248 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14251 2006-01-11 Ian Lance Taylor <ian@airs.com>
14253 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14254 Allow undoing set of machine mode.
14255 (do_SUBST): Use enums instead of is_int.
14256 (do_SUBST_MODE): New function.
14257 (SUBST_MODE): New macro.
14258 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14259 reg and trying to replace reg_regno_rtx with a new register.
14260 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14261 (simplify_set): Use SUBST_MODE.
14262 (distribute_notes): Remove code that tried to update reg notes
14263 for regno_reg_rtx changes.
14265 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14267 PR tree-optimization/23109
14268 PR tree-optimization/23948
14269 PR tree-optimization/24123
14271 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14272 * tree-cfg.c (single_noncomplex_succ): New.
14273 * tree-flow.h (single_noncomplex_succ): Declare it.
14274 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14275 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14276 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14277 insert_bb, register_division_in, insert_reciprocals,
14278 replace_reciprocal, free_bb): New.
14279 (execute_cse_reciprocals_1): Rewritten.
14280 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14281 Do not commit any edge insertion. Always compute dominators and
14282 create the allocation pool.
14283 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14284 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14285 * targhooks.c (default_min_divistions_for_recip_mul): New.
14286 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14287 * passes.c (init_optimization_passes): Run recip after tree loop
14289 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14291 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14292 Kenneth Zadeck <zadeck@naturalbridge.com>
14294 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14295 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14296 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14297 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14298 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14299 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14300 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14301 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14302 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14303 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14304 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14305 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14306 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14307 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14308 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14309 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14310 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14311 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14312 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14313 DF_SCAN_POST_ALLOC): New macros.
14314 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14315 df_free_bb_function, df_local_compute_function, df_init_function,
14316 df_dataflow_function, df_confluence_function_0,
14317 df_confluence_function_n, df_transfer_function,
14318 df_finalizer_function, df_free_function, df_dump_problem_function,
14319 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14320 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14321 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14322 df_urec_bb_info, ) New types.
14323 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14325 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14326 df_analyze_simple_change_some_blocks,
14327 df_analyze_simple_change_one_block, df_compact_blocks,
14328 df_bb_replace, df_bb_regno_last_use_find,
14329 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14330 df_insn_regno_def_p, df_find_def, df_find_use,
14331 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14332 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14333 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14334 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14335 debug_df_chain, df_get_dependent_problem, df_chain_create,
14336 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14337 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14338 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14339 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14340 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14341 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14342 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14343 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14344 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14345 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14346 df_reorganize_refs, df_set_state, df_hard_reg_init,
14347 df_read_modify_subreg_p) New public functions.
14348 * df-core.c: The core dataflow solver and glue routines for rtl
14350 (df_init, df_add_problem, df_set_blocks, df_finish,
14351 df_hybrid_search_forward, df_hybrid_search_backward,
14352 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14353 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14354 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14355 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14356 df_reg_defined, df_find_use, df_reg_used, df_dump,
14357 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14358 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14359 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14360 debug_df_useno, reset_df_after_reload): New functions.
14361 * df-scan.c: The scanning fuctions, once in df.c, completely
14362 rewritten so that they now fully model the functionality of
14363 register usage at the backend.
14364 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14365 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14366 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14367 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14368 df_get_artificial_defs, df_get_artificial_uses,
14369 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14370 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14371 df_refs_delete, df_reorganize_refs, df_set_state,
14372 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14373 df_def_record_1, df_defs_record, df_uses_record,
14374 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14375 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14376 df_record_exit_block_uses, df_hard_reg_init): New functions.
14378 * df-problems.c: Seven concrete dataflow problems that use the
14379 scanning in df-scan.c and are solved by the engine in df-core.c.
14380 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14381 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14382 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14383 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14384 df_ru_free_bb_info, df_ru_alloc,
14385 df_ru_bb_local_compute_process_def,
14386 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14387 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14388 df_ru_transfer_function, df_ru_free, df_ru_dump,
14389 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14390 df_rd_free_bb_info, df_rd_alloc,
14391 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14392 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14393 df_rd_transfer_function, df_rd_free, df_rd_dump,
14394 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14395 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14396 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14397 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14398 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14399 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14400 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14401 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14402 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14403 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14404 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14405 df_urec_mark_reg_use_for_earlyclobber,
14406 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14407 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14408 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14409 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14410 df_chain_create_bb_process_use, df_chain_create_bb,
14411 df_chain_finalize, df_chain_free, df_chains_dump,
14412 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14413 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14414 df_reg_lifetime): New functions.
14415 * df.c: Deleted file.
14416 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14417 consistent with new df api.
14418 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14419 rest_of_handle_sms): Ditto.
14420 * web.c (unionfind_union, union_defs, entry_register, web_main):
14422 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14423 invariant_expr_equal_p, find_defs, check_dependencies,
14424 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14425 free_inv_motion_data, move_loop_invariants): Ditto.
14426 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14427 Update dependencies.
14428 (odf.c): Added defective entry that was deleted later in day.
14429 * sched-deps.c (sched_analyze_1): Ditto.
14431 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14433 * tree-ssa-operands.c (get_expr_operands): Record addressable
14434 variables directly. Do not call add_stmt_operands for CONST_DECLs
14436 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14437 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14439 2006-01-11 Ben Elliston <bje@au.ibm.com>
14441 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14442 function returns true in the positive case.
14444 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14447 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14448 for SI, DI, SF and DF modes. Add alternatives to copy between
14449 general and floating point registers to the 32-bit patterns.
14450 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14451 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14452 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14453 generating 64-bit code.
14454 * config/pa/pa.c (output_move_double): Handle copies between general
14455 and floating registers.
14457 2006-01-10 Stuart Hastings <stuart@apple.com>
14459 * config/i386/i386.md (set_got): Update.
14460 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14461 (builtin_setjmp_receiver): Mach-O support.
14462 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14463 (GOT_SYMBOL_NAME): Define.
14464 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14465 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14466 * config/i386/i386.c (override_options): Revise for Darwin.
14467 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14468 support. (darwin_x86_file_end): New. (output_set_got): Add label
14469 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14470 * config/i386/i386-protos.h (output_set_got): Likewise.
14471 * config/darwin.c (machopic_legitimize_pic_address): Update
14474 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14476 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14477 when MODE isn't BLKmode.
14479 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14481 PR rtl-optimization/25367
14482 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14484 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14487 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14488 for a negative bound.
14490 2006-01-10 Richard Guenther <rguenther@suse.de>
14492 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14493 Never override with anything constraint.
14495 2006-01-10 Jan Beulich <jbeulich@novell.com>
14497 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14498 256 bits when optimize_size.
14500 2006-01-10 Jan Beulich <jbeulich@novell.com>
14502 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14504 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14505 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14508 2006-01-10 Ben Elliston <bje@au.ibm.com>
14510 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14512 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14513 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14514 (USE_FP_FOR_ARG): Reject decimal float modes.
14515 (function_arg_advance): Likewise.
14516 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14517 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14518 point types in AltiVec vectors.
14519 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14520 (rs6000_libcall_value): Likewise.
14522 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14524 * config/xtensa/ieee754-df.S: New file.
14525 * config/xtensa/ieee754-sf.S: New file.
14526 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14527 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14528 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14530 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14532 * config/sh/predicates.md (binary_float_operator,
14533 binary_logical_operator, commutative_float_operator,
14534 equality_comparison_operator, greater_comparison_operator,
14535 less_comparison_operator, logical_operator,
14536 noncommutative_float_operator, shift_operator,
14537 symbol_ref_operand, unary_float_operator): Remove redundant
14540 2006-01-09 Jeff Law <law@redhat.com>
14542 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14543 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14544 now unused arguments. Callers updated.
14545 (eliminate_redundant_computations): Remove now unused arguments,
14547 (local_fold): Remove, no longer used.
14548 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14550 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14551 (simplify_cond): New function.
14552 (forward_propagate_into_cond): Call simplify_cond.
14554 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14556 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14557 (*vec_extractv2di_1_sse): New.
14559 2006-01-09 Ben Elliston <bje@au.ibm.com>
14561 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14563 2006-01-08 Richard Guenther <rguenther@suse.de>
14565 * tree-ssa-structalias.c (get_constraint_for): Remove
14566 anyoffset argument.
14567 (get_constraint_for_component_ref): Likewise.
14568 (do_deref): Likewise.
14569 (get_constraint_for): Likewise.
14570 (do_structure_copy): Likewise.
14571 (handle_ptr_arith): Likewise.
14572 (find_func_aliases): Likewise. Remove unused need_anyoffset
14575 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14576 Kaz Kojima <kkojima@gcc.gnu.org>
14578 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14579 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14580 (EXTRA_CONSTRAINT_C16): Remove.
14581 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14582 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14583 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14584 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14585 constants of SHmedia. Handle nested constant expressions of
14587 (andcosts): Fix the costs for SHmedia constants.
14588 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14589 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14590 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14591 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14592 (movv4hi_i, movv2si_i): Likewise.
14593 (movsi_const): Adjust the second operand of ior so to match with
14594 the Csu constraint.
14595 (movdi_const, movdi_const_32bit): Likewise.
14596 (movdi_const_16bit+1): Don't sign-extend LOW.
14597 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14599 (*double_shori): Fix the split condition. Use GEN_INT instead
14600 of get_int_mode calls. Mask lower 16-bit of the argument of
14602 (sym2GOTPLT): Remove.
14603 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14605 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14606 instead of EXTRA_CONSTRAINT_C16.
14608 2006-01-07 Ian Lance Taylor <ian@airs.com>
14609 David Edelsohn <edelsohn@gnu.org>
14611 PR rtl-optimization/25662
14612 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14613 for constant operands instead of simplify_gen_binary.
14614 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14615 after trying simplify_binary_operation
14617 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14619 * tree.c (iterative_hash_expr): Hash decls based on UID.
14621 2006-01-06 Eric Christopher <echristo@apple.com>
14623 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14624 (TARGET_UNWIND_EMIT): Fix spelling.
14625 * target.h (gcc_target): Add except_table_label.
14626 * except.c (output_function_exception_table): Use.
14627 * varasm.c (default_emit_except_table_label): New.
14628 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14630 (asm_out): Add here.
14631 * output.h (default_emit_except_table_label): Prototype.
14632 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14633 * config/darwin.c (darwin_emit_except_table_label): Define.
14634 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14636 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14638 PR tree-optimization/18527
14639 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14640 number_of_iterations_special, number_of_iterations_exit):
14641 Move base and step of an iv to a single structure. Add
14642 no_overflow flag, and use it in # of iterations analysis.
14643 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14644 folded_casts argument.
14645 (simple_iv): Pass base and step in a structure. Set no_overflow
14647 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14648 Evaluate expensiveness of computing # of iterations instead of
14649 the final expression.
14650 * tree-scalar-evolution.h (affine_iv): New structure.
14651 (simple_iv): Declaration changed.
14652 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14653 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14654 find_givs_in_stmt): Changed due to simple_iv change.
14656 2006-01-06 Jeff Law <law@redhat.com>
14659 * tree-cfg.c (bsi_replace): Rename final argument from
14660 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14661 change (stmt -> orig_stmt).
14662 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14663 (bsi_remove): Add new argument. Remove EH information
14665 (verify_eh_throw_table_statements): New function.
14666 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14668 * tree-optimize.c (execute_free_cfg_annotations): Verify
14669 the EH throw statement table after removing annotations.
14670 * except.h (verify_eh_throw_table_statements): Prototype.
14671 * tree-flow.h (bsi_remove): Update prototype.
14672 * tree-vrp.c (remove_range_assertions): Add new argument to
14674 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14675 * tree-complex.c (expand_complex_div_wide): Likewise.
14676 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14677 * tree-tailcall.c (eliminate_tailcall): Likewise.
14678 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14679 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14680 * tree-nrv.c (tree_nrv): Likewise.
14681 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14682 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14683 (combine_blocks): Likewise.
14684 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14685 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14686 (cleanup_control_flow): Likewise.
14687 (remove_forwarder_block): Likewise.
14688 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14689 * tree-sra.c (sra_replace): Likewise.
14690 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14691 (forward_propagate_single_use_vars): Likewise.
14692 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14693 * tree-inline.c (expand_call_inline): Likewise.
14694 * tree-vect-transform.c (vect_transform_loop): Likewise.
14695 * tree-outof-ssa.c (rewrite_trees): Likewise.
14696 * tree-cfg.c (make_goto_expr_edges): Likewise.
14697 (cleanup_dead_labels): Likewise.
14698 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14699 (bsi_move_before, bsi_move_after): Likewise.
14700 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14701 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14703 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14706 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14708 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14709 on non gimple variables. Also add checks at the top for decls and
14711 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14713 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14714 and IMAGPART_EXPR for creating MUST_DEFs.
14715 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14716 and NAME_MEMORY_TAG separately from the DECLs.
14718 2006-01-06 Richard Guenther <rguenther@suse.de>
14720 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14721 annotation, if necessary.
14722 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14723 redundant calls to update_stmt.
14724 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14727 2006-01-05 Richard Henderson <rth@redhat.com>
14729 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14731 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14733 * c-typeck.c: Update copyright date.
14735 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14737 * c-typeck.c (build_c_cast): Always warn when casting
14738 from a pointer to an integer of different size, even if
14739 the node was constant.
14741 2006-01-05 Richard Guenther <rguenther@suse.de>
14743 PR tree-optimization/22555
14744 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14745 if one structure field is an array.
14746 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14747 operands even if we found a subvar, but ignore VOPs in this
14749 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14751 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14753 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14755 PR middle-end/24998
14756 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14758 2006-01-05 Richard Guenther <rguenther@suse.de>
14759 Diego Novillo <dnovillo@redhat.com>
14761 * tree-pass.h (TODO_remove_unused_locals): Define.
14762 * gimple-low.c (expand_var_p, remove_useless_vars,
14763 pass_remove_useless_vars): Remove. Update all users.
14764 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14765 (remove_unused_locals): New function.
14766 * tree-flow.h (remove_unused_locals): Declare.
14767 * passes.c (execute_todo): Call remove_unused_locals if
14768 TODO_remove_unused_locals is set.
14769 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14770 * tree-ssa-dce.c (pass_dce): Likewise.
14771 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14773 2006-01-05 Richard Guenther <rguenther@suse.de>
14775 * tree-flow.h (struct fieldoff): Decompose field to
14776 type, size and decl.
14777 * tree-ssa-alias.c (create_sft): Take type as parameter.
14778 (create_overlap_variables_for): Store type, size and decl
14779 in the fieldoff structure.
14780 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14781 of struct fieldoff.
14782 (push_fields_onto_fieldstack): Likewise.
14783 (create_variable_info_for): Likewise. Use offset for the
14784 SFT name if the decl is not available.
14786 2006-01-04 Paul Brook <paul@codesourcery.com>
14788 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14790 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14792 * lambda-code.c (can_put_in_inner_loop): Relax
14794 (can_put_after_inner_loop): New function.
14795 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14796 (perfect_nestify): Change to make copies and modify uses.
14798 2006-01-04 Richard Henderson <rth@redhat.com>
14800 Merge from gomp branch:
14801 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14802 via integer constant.
14803 (pragma_lex): Remove.
14804 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14805 rather than parsing it.
14806 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14807 handle_pragma_extern_prefix): Add %< %> quotes.
14808 (registered_pragmas): New.
14809 (c_register_pragma_1): New.
14810 (c_register_pragma): Use it.
14811 (c_register_pragma_with_expansion): Likewise.
14812 (c_invoke_pragma_handler): New.
14813 (init_pragma): Use cpp_register_deferred_pragma directly for
14815 * c-pragma.h (enum pragma_kind): New.
14816 (pragma_handler): New.
14817 (c_invoke_pragma_handler): Declare.
14818 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14820 * c-common.h (c_common_pch_pragma): Update decl.
14821 * Makefile.in (c-parser.o): Update dependencies.
14822 (GTFILES): Add c-pragma.h.
14823 * c-parser.c (struct c_token): Add pragma_kind.
14824 (struct c_parser): Add in_pragma.
14825 (c_lex_one_token): Always initialize keyword and pragma_kind.
14826 Extract data for CPP_PRAGMA.
14827 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14828 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14829 Don't allow CPP_PRAGMA_EOL if in_pragma.
14830 (c_parser_consume_pragma): New.
14831 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14832 (c_parser_skip_to_end_of_parameter): Likewise.
14833 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14834 (c_parser_skip_to_pragma_eol): New.
14835 (c_parser_external_declaration): Handle CPP_PRAGMA.
14836 (c_parser_compound_statement_nostart): Likewise.
14837 (c_parser_statement_after_labels): Likewise.
14838 (c_parser_pragma): New.
14839 (pragma_lex): Likewise.
14840 (c_parser_pragma_pch_preprocess): New.
14841 (c_parser_new): Merge into ...
14842 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14844 2006-01-04 Jeff Law <law@redhat.com>
14847 * tree-cfg.c (bsi_replace): Remove the original statement
14848 from the EH throw statement table.
14850 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14852 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14853 make the prototype extern "C" and add throw ().
14856 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14857 and pos non-negative and pos + len <= 32.
14858 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14859 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14860 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14863 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14864 as well as sizes not multiple of component size.
14867 * function.c (instantiate_expr): New function.
14868 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14869 walk its DECL_VALUE_EXPR with instantiate_expr.
14871 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14872 DW_OP_deref{,_size} if address isn't going to be added.
14874 2006-01-04 Ben Elliston <bje@au.ibm.com>
14876 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14877 * config/fp-bit.c: Likewise.
14879 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14881 * dominance.c: Add comment about why we use DFS numbering
14884 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14885 Richard Henderson <rth@redhat.com>
14887 Merge from gomp-branch:
14888 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14889 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14891 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14893 PR rtl-optimization/25578
14894 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14895 pass a parameter to simplify_shift_const if changing ASHIFTRT
14898 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14900 * builtins.c (get_builtin_sync_mem): New function.
14901 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14902 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14903 Call get_builtin_sync_mem to generate mem rtx.
14905 2006-01-03 Richard Guenther <rguenther@suse.de>
14908 * stmt.c (add_case_node): Make sure to clear overflow flags
14911 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14913 Merge from gomp-branch.
14914 * config/sparc/sync.md: New file.
14915 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14916 UNSPECV_LDSTUB): New constants.
14917 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14918 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14919 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14922 2006-01-03 Roger Sayle <roger@eyesopen.com>
14924 * combine.c (reg_subword_p): New predicate to test whether the
14925 destination of a set refers to a subword/piece of a register.
14926 (try_combine): Generalize the code to merge the setting of a
14927 pseudo to a constant followed by a set of a subword of that
14928 register to a constant.
14930 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14932 * basic-block.h (control_flow_graph): Change the type of
14933 x_label_to_block_map to VEC(basic_block,gc) *.
14934 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14935 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14937 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14938 VEC(basic_block,heap) *.
14939 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14940 ssa_prop_fini): Adjust the uses of cfg_blocks.
14942 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14944 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14946 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14947 hashing trees instead of a pointer hash.
14948 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14949 compare for MEM_EXPR.
14951 PR rtl-optimization/25130
14952 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14953 when comparing MEMs for GCSE
14955 2006-01-03 Ben Elliston <bje@au.ibm.com>
14957 * targhooks.h (default_decimal_float_supported_p): Declare.
14958 * targhooks.c (default_decimal_float_supported_p): Define.
14959 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14960 `default_decimal_float_supported_p'.
14961 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14963 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14965 * combine.c (apply_distributive_law <SUBREG>): Check
14966 TRULY_NOOP_TRUNCATION.
14968 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14970 * dwarf2out.c (have_switched_text_section): Delete.
14971 (have_multiple_function_sections): New.
14972 (have_location_lists): Make 'bool'.
14973 (add_AT_loc_list): Use 'true' not '1'.
14974 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14975 (output_loc_list): Use have_multiple_function_sections.
14976 (output_ranges): Likewise.
14977 (dwarf2out_begin_function): Set have_multiple_function_sections if
14979 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14980 Check function_section rather than DECL_SECTION_NAME.
14981 (dwarf2out_finish): Use have_multiple_function_sections.
14982 Don't clear have_location_lists.
14984 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14985 Jan Hubicka <jh@suse.cz>
14987 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14988 case of conditional jump jumping to the next instruction.
14989 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14990 cases of conditional jump jumping to the next instruction.
14992 2006-01-02 Jan Hubicka <jh@suse.cz>
14994 * i386.c (*_cost): Add COSTS_N_INSNS.
14995 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14997 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15000 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15002 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15004 * config/arm/arm.c (all_fpus): Fix comment typo.
15005 * config/darwin.c: Likewise.
15006 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15007 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15008 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15010 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15012 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15013 (rs6000_split_compare_and_swapqhi): New.
15014 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15015 (sync_compare_and_swapqhi_internal): New.
15016 * config/rs6000/rs6000-protos.h: Declare.