| blob | 0a87b0ee7531c565a0d05577e5c9b757a877f70e |
1 2006-09-12 Roger Sayle <roger@eyesopen.com>
3 PR target/22223
4 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5 frame information for frames larger than 512 Kbytes on Tru64 when
6 using the native assembler.
8 2006-09-12 Roger Sayle <roger@eyesopen.com>
10 PR middle-end/4520
11 PR bootstrap/28784
12 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
13 and symbols. Instead use the implementation from cse.c's hash_rtx.
15 2006-09-12 Jan Hubicka <jh@suse.cz>
17 PR rtl-optimization/28071
18 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
19 (vect_transform_loop): Likewise.
20 * tree-vectorizer.c (new_loop_vec_info): Likewise.
21 (new_loop_vec_info): Likewise.
22 (destroy_loop_vec_info): Likewise.
23 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
24 (create_stmt_ann): Likewise.
25 (create_tree_ann): Rename to ...
26 (create_tree_common_ann): ... this one; allocate only the common part
27 of annotations.
28 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
29 (get_value_handle): Likewise.
30 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
31 get_tree_common_ann.
32 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
33 (vinfo_for_stmt): Use stmt annotations.
34 * tree-flow.h (tree_ann_common_t): New type.
35 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
36 (tree_ann, get_tree_ann, create_tree_ann): New.
37 * tree-flow-inline.h (get_function_ann): Do more type checking.
38 (stmt_ann): Likewise.
39 (tree_ann): Rename to ...
40 (tree_common_ann): ... this one; return ony common_ann
41 (get_tree_ann): Rename to ...
42 (tree_common_ann): This one; return only common_ann.
43 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
44 of set_stmt_info.
46 2006-09-11 Geoffrey Keating <geoffk@apple.com>
48 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
49 with_cpu by default.
51 * dwarf2out.c (dwarf_file_data): New.
52 (enum dw_val_class): Add dw_val_class_file.
53 (struct dw_val_struct): Add val_file.
54 (file_table): Change to a hash table.
55 (file_table_emitted): Delete.
56 (file_table_last_lookup_index): Delete.
57 (emitcount): Delete.
58 (last_emitted_file): New.
59 (lookup_filename): Change prototype to return a struct dwarf_file_data.
60 (init_file_table): Delete.
61 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
62 (AT_addr): Add comment.
63 (add_AT_file): New.
64 (AT_file): New.
65 (get_AT_file): New.
66 (print_die): Handle dw_val_class_file.
67 (print_dwarf_line_table): Update for new file table structure.
68 (attr_checksum): Do checksum a filename.
69 (same_dw_val_p, same_attr_p): Do compare a filename.
70 (size_of_die): Handle dw_val_class_file.
71 (value_format): Likewise.
72 (output_die): Likewise. Also, call maybe_emit_file here.
73 (struct file_info): Constify filenames. Make file_idx a pointer
74 to a struct dwarf_file_data.
75 (struct dir_info): Constify directory names. Remove 'used' field.
76 (struct file_name_acquire_data): New.
77 (file_name_acquire): New.
78 (output_file_names): Modify to handle new file data structures.
79 (add_src_coords_attributes): Use add_AT_file.
80 (add_call_src_coords_attributes): Likewise.
81 (dwarf2out_imported_module_or_decl): Likewise.
82 (gen_subprogram_die): Modify for new file data structures.
83 (gen_variable_die): Likewise.
84 (file_table_eq): New.
85 (file_table_hash): New.
86 (file_table_last_lookup): New.
87 (lookup_filename): Rewrite to handle new file data structures.
88 (maybe_emit_file): Rewrite to handle new file data structures.
89 (dwarf2out_source_line): Always call lookup_filename and
90 maybe_emit_file.
91 (dwarf2out_init): Create file_table here.
92 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
93 (file_table_relative_p): New.
94 (dwarf2out_finish): Change detection of relative filenames
95 to work with new file data structures. Move output_line_info call
96 after debug_info output.
98 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
100 PR target/13685
101 PR target/27537
102 PR target/28621
103 * config/i386/i386.c (override_options): Always default to 16
104 byte stack boundary.
106 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
108 PR target/28672
109 * var-tracking.c (dump_dataflow_set): Start dumping at
110 register zero.
111 (clobber_variable_part): Kill only the variable part in
112 registers holding it, leaving other variables alone.
114 2006-09-11 Josh Triplett <josh@freedesktop.org>
116 * doc/extend.texi (Other Builtins): Actually use the macro
117 argument in the documentation example for
118 __builtin_types_compatible_p.
120 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
122 PR rtl-optimization/28726
123 * sched-deps.c (sched_analyze_reg): New function extracted from...
124 (sched_analyze_1): ...here. Call it to analyze references to
125 registers. Treat again writes to a stack register as writing to the
126 register.
127 (sched_analyze_2): ...and here. Call it to analyze references to
128 registers. Treat again reads of a stack register as reading the
129 register.
131 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
132 David Edelsohn <edelsohn@gnu.org>
134 PR target/27287
135 * config/rs6000/spe.md (frob_df_di): Remove %H.
136 (frob_di_df): Remove %H. Change evmergelo to mr.
137 (frob_di_df_2): Remove %H. Change evldd to two loads.
139 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
141 * doc/cpp.texi: Fix names of charset options.
143 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
145 PR target/29009
146 * config/i386/i386.c (override_options): Use 128-bit
147 stack boundary always for 64bits.
149 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
151 PR rtl-optimization/28636
152 * combine.c (force_to_mode): Test for side-effects before
153 substituting by zero.
154 (simplify_shift_const): Likewise for zero or other constants.
156 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
158 PR middle-end/26983
159 * builtins.c (expand_builtin_setjmp): Force next_lab to be
160 preserved.
162 2006-09-10 Richard Sandiford <richard@codesourcery.com>
164 PR target/29006
165 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
166 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
167 returned by mode_for_size, rather than the mode of src itself,
168 to choose between 32-bit and 64-bit patterns.
169 (mips_mem_fits_mode_p): New function.
170 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
171 that the size of the source matches the size of the destination.
172 (mov_<store>l, mov_<store>r): Likewise.
174 2006-09-10 Eric Christopher <echristo@apple.com>
176 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
177 for literal16.
179 2006-09-09 Eric Christopher <echristo@apple.com>
181 PR target/28995
182 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
183 for literal16.
185 2006-09-09 Roger Sayle <roger@eyesopen.com>
186 Nicolas Setton <setton@adacore.com>
188 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
190 2006-09-10 Andreas Schwab <schwab@suse.de>
192 * config/m68k/m68k.md (bungt_rev): New pattern.
194 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
195 Dale Johannesen <dalej@apple.com>
197 PR target/26778
198 * regclass.c (struct reg_pref): Update documentation.
199 (regclass): Set prefclass to NO_REGS if memory is the best option.
200 (record_reg_classes): Cope with a prefclass set to NO_REGS.
202 2006-09-08 Eric Christopher <echristo@apple.com>
204 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
205 * config/t-slibgcc-darwin: Support x86_64 multilib.
206 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
207 Return 1 for x86_64-darwin.
208 * config/i386/t-darwin: Add m64 multilib.
209 (LIB2_SIDITI_CONV_FUNCS): Use.
210 (LIB2FUNCS_EXTRA): Ditto.
211 * config/i386/darwin.h: Support x86_64.
212 * config/i386/i386.c (override_options): Turn on flag_pic
213 for x86_64-darwin. Disable flag_omit_pointer.
214 (get_pc_thunk_name): Assert !TARGET_64BIT.
215 (legitimate_address_p): Disable machopic addressing for
216 x86_64.
217 (legitimize_pic_address): Ditto.
218 (ix86_expand_move): Ditto.
219 (ix86_expand_call): Ditto.
220 (machopic_output_stub): Ditto.
221 * config/darwin.c (machopic_select_section): Support literal16.
222 (machopic_select_rtx_section): Ditto.
223 * config/darwin-sections.def: Ditto.
224 * config/darwin-64.c: New.
226 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
228 PR c/28504
229 * c-tree.h (struct c_arg_info): Add pending_sizes.
230 * c-parser.c (c_parser_parms_declarator,
231 c_parser_parms_list_declarator): Initialize pending_sizes.
232 * c-decl.c (get_parm_info): Initialize pending_sizes.
233 (get_parm_info): Set pending_sizes.
234 (grokdeclarator): Call put_pending_sizes for parameters for
235 function definition only.
237 2006-09-07 Jason Merrill <jason@redhat.com>
239 PR middle-end/27724
240 * varasm.c (output_constant): Only strip actual no-op conversions.
242 PR target/13685
243 * config/i386/i386.c (override_options): Use 128-bit
244 stack boundary if -msse.
246 2006-09-07 Eric Christopher <echristo@apple.com>
248 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
249 comment.
250 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
251 Redefine.
253 2006-09-07 Geoffrey Keating <geoffk@apple.com>
255 * dwarf2out.c: Remove strange characters from comment above
256 dwarf2out_frame_debug_expr.
258 2006-09-07 Eric Christopher <echristo@apple.com>
260 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
261 * config/darwin.h: ... to here.
263 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
265 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
267 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
268 (TARGET_PARTIAL_FLAG_REG_STALL): New.
270 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
271 TARGET_PARTIAL_FLAG_REG_STALL.
272 (*ashldi3_cconly_rex64): Likewise.
273 (*ashlsi3_cmp): Likewise.
274 (*ashlsi3_cconly): Likewise.
275 (*ashlsi3_cmp_zext): Likewise.
276 (*ashlhi3_cmp): Likewise.
277 (*ashlhi3_cconly): Likewise.
278 (*ashlqi3_cmp): Likewise.
279 (*ashlqi3_cconly): Likewise.
280 (*ashrdi3_cmp_rex64): Likewise.
281 (*ashrdi3_cconly_rex64): Likewise.
282 (*ashrsi3_cmp): Likewise.
283 (*ashrsi3_cconly): Likewise.
284 (*ashrsi3_cmp_zext): Likewise.
285 (*ashrhi3_cmp): Likewise.
286 (*ashrhi3_cconly): Likewise.
287 (*ashrqi3_cmp): Likewise.
288 (*ashrqi3_cconly): Likewise.
289 (*lshrdi3_cmp_rex64): Likewise.
290 (*lshrdi3_cconly_rex64): Likewise.
291 (*lshrsi3_cmp): Likewise.
292 (*lshrsi3_cconly): Likewise.
293 (*lshrsi3_cmp_zext): Likewise.
294 (*lshrhi3_cmp): Likewise.
295 (*lshrhi3_cconly): Likewise.
296 (*lshrqi2_cmp): Likewise.
297 (*lshrqi2_cconly): Likewise.
299 2006-09-07 Uros Bizjak <uros@kss-loka.si>
301 PR target/28946
302 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
303 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
304 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
305 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
306 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
307 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
308 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
309 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
310 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
311 implement only CC setting effects of shift instructions.
313 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
315 * doc/contrib.texi: Add myself.
317 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
319 PR middle-end/28862
320 * stor-layout.c (relayout_decl): Don't zero the alignment if it
321 was set by the user.
323 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
325 PR target/27117
326 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
327 (divsi_inv_m1): Use them.
328 (UNSPEC_DIV_INV_TABLE): New constant.
330 2006-09-06 James E Wilson <wilson@specifix.com>
332 PR rtl-opt/27883
333 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
334 then call count_or_remove_death_notes.
336 2006-09-06 Jason Merrill <jason@redhat.com>
338 PR c++/27371
339 * tree-inline.c (copy_result_decl_to_var): New fn.
340 (declare_return_variable): Use it. Call declare_inline_vars here.
341 (expand_call_inline): Not here.
343 2006-09-06 Diego Novillo <dnovillo@redhat.com>
345 * doc/contrib.texi: Update my entry.
347 2006-09-06 Nick Clifton <nickc@redhat.com>
349 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
351 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
353 PR tree-opt/28937
354 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
355 (canonicalize_induction_variables): Likewise.
356 (tree_unroll_loops_completely): Likewise.
357 (tree_ssa_prefetch_arrays): Likewise.
358 (remove_empty_loops): Likewise.
359 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
360 TODO_cleanup_cfg instead of directly calling
361 cleanup_tree_cfg_loop.
362 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
363 Likewise.
364 (tree_unroll_loops_completely): Likewise.
365 (remove_empty_loops): Likewise.
366 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
367 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
368 of tree_ssa_unswitch_loops.
369 (tree_ssa_loop_ivcanon): Use the return value of
370 canonicalize_induction_variables.
371 (tree_ssa_empty_loop): Use the return value of
372 remove_empty_loops.
373 (tree_complete_unroll): Use the return value of
374 tree_unroll_loops_completely.
375 (tree_ssa_loop_prefetch): Use the return value of
376 tree_ssa_prefetch_arrays.
377 * passes.c (execute_todo): Before Cleanup CFG, set
378 updating_used_alone and after cleanup CFG, call
379 recalculate_used_alone.
381 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
383 PR tree-opt/28952
384 * tree-vect-transform.c (vectorizable_condition): Move the check
385 for the type after the check for simple condition.
387 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
388 Kaz Kojima <kkojima@gcc.gnu.org>
390 PR target/28764
391 * mode-switching.c (optimize_mode_switching): Make the destination
392 block of an abnormal edge have no anticipatable mode. Don't
393 insert mode switching code at the end of the source block of
394 an abnormal edge.
396 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
398 PR rtl-optimization/26847
399 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
400 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
401 (simplify_plus_minus): Count n_constants while filling ops. Replace
402 qsort with insertion sort. Before going through the array to simplify
403 pairs, sort it. Delay early exit until after the first sort, exiting
404 only if no swaps occurred. Simplify pairs in reversed order, without
405 special-casing the first iteration. Pack ops after simplifying pairs.
407 2006-09-05 Anatoly Sokolov <aesok@post.ru>
409 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
410 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
411 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
412 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
414 2006-09-05 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/28900
417 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
418 compound conditional before creating COND_EXPR condition.
420 2006-09-05 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/28905
423 * tree-vrp.c (fix_equivalence_set): Manually implement
424 !value_ranges_intersect_p to also handle symbolic ranges.
426 2006-09-05 Richard Guenther <rguenther@suse.de>
428 PR middle-end/28935
429 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
430 of a COND_EXPR.
432 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
434 PR rtl-optimization/27616
435 * cse.c (table_size): New static variable.
436 (new_basic_block): Initialize it to 0.
437 (remove_from_table): Decrement it.
438 (insert): Increment it.
439 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
440 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
441 fold_rtx_mem_1 if under the cap.
442 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
443 the lookup of the equivalent expression and test for equality of the
444 first operand of the equivalent expression before in turn looking up
445 an equivalent constant for the second operand.
447 2006-09-02 Geoffrey Keating <geoffk@apple.com>
449 Revert this change:
450 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
451 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
452 pointer, instead of assuming it is possible to derive the
453 correct args size from a call insn.
455 2006-09-02 Jakub Jelinek <jakub@redhat.com>
457 PR middle-end/27567
458 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
459 (fold_builtin_mempcpy): Rename to...
460 (fold_builtin_memory_op): ... this. Optimize one element copy
461 into an assignment.
462 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
463 functions.
464 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
465 (expand_builtin_memcpy, expand_builtin_mempcpy,
466 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
467 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
468 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
469 BUILT_IN_MEM{CPY,PCPY,MOVE}.
471 2006-09-01 DJ Delorie <dj@redhat.com>
473 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
474 (stzx_16): Likewise.
475 ("stzx_24_<mode>"): Likewise.
476 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
477 ("cmp<mode>_op"): New.
478 (cmp<mode>): Change to expander; just save operands.
479 (b<code>_op): New.
480 (b<code>): Change to expander, emit compare here.
481 (s<code>_op): Change to use split and expander.
482 (s<code>_24_op): Likewise.
483 (s<code>_<mode>): New.
484 (s<code>_<mode>_24): New.
485 (movqicc_<code>_<mode): New.
486 (movhicc_<code>_<mode>): New.
487 (s<code>): New.
488 (s<code>_24): New.
489 * config/m32c/m32c.c (compare_op0, compare_op1): New.
490 (m32c_pend_compare): New.
491 (m32c_unpend_compare): New.
492 (m32c_expand_scc): New.
493 (m32c_expand_movcc): Emit the compare also.
494 * config/m32c/predicates.md (mra_nopp_operand): New.
496 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
497 Richard Guenther <rguenther@suse.de>
498 Adam Nemet <anemet@caviumnetworks.com>
500 PR middle-end/27226
501 * builtins.c (get_pointer_alignment): Handle more forms
502 of base addresses that can be used to derive more precise
503 information about alignment.
505 2006-09-01 Jason Merrill <jason@redhat.com>
507 PR c++/28899
508 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
509 want_value.
511 * gimplify.c (voidify_wrapper_expr): Handle null type.
513 2006-09-01 Josh Conner <jconner@apple.com>
515 PR c++/25505
516 * tree-nrv.c (dest_safe_for_nrv_p): New function.
517 (execute_return_slot_opt): Use it.
519 2006-08-31 Josh Conner <jconner@apple.com>
521 PR c++/25505
522 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
523 returning aggregates.
525 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
527 PR tree-optimization/28839
528 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
529 blocks in that phi arguments appear.
531 2006-08-31 Roger Sayle <roger@eyesopen.com>
533 PR other/22313
534 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
535 NULL, otherwise use an advance_loc4 to adjust relative to the
536 current label.
537 (output_cfi) <DW_CFA_set_loc>: Update the current label.
538 (dwarf2out_switch_text_section): Reset the current label to avoid
539 using advance_loc4 over section boundaries.
541 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
543 PR target/24367
544 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
545 r12 + SYMBOLIC_CONST.
547 2006-08-30 Richard Guenther <rguenther@suse.de>
549 * Makefile.in (see.o): Add $(EXPR_H) dependency.
551 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
553 PR rtl-optimization/27735
554 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
555 Add new argument to keep track of whether an irreducible region
556 was affected. All callers changed.
557 (fix_irreducible_loops): Removed.
558 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
559 flags were invalidated.
561 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
563 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
564 instead of SF operands.
565 (*fop_df_comm_sse): Likewise.
566 (*fop_df_comm_i387): Likewise.
567 (*fop_df_1_mixed): Likewise.
568 (*fop_df_1_sse): Likewise.
570 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
571 J"orn Rennecke <joern.rennecke@st.com>
573 PR tree-optimization/17506
574 * tree-ssa.c (warn_uninit): If warning about a location outside of
575 the current function, note where the variable was declared.
577 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
579 PR tree-optimization/28411
580 * double-int.c (double_int_div): Use double_int_divmod.
581 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
582 double_int_mod, double_int_smod, double_int_umod): New functions.
583 * double-int.h (double_int_divmod, double_int_sdivmod,
584 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
585 Declare.
586 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
587 in double_int.
588 (get_computation_aff, get_computation_cost_at): Handle double_int
589 return type of constant_multiple_of.
591 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
593 PR middle-end/26632
594 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
595 an implicit conversion.
597 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
599 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
601 2006-08-27 Roger Sayle <roger@eyesopen.com>
603 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
604 x87 instructions.
606 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
608 * config/i386/crtfastmath.c: Fix a comment typo.
610 2006-08-26 Roger Sayle <roger@eyesopen.com>
612 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
613 temporary visit flags on CASE_LABEL_EXPRs.
614 * c-common.c (match_case_to_enum): Add function comment. Avoid
615 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
616 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
617 CASE_HIGH_SEEN for enumerated types. If the switch expression is
618 a constant, only warn if that constant value isn't handled.
620 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
622 PR c++/24009
623 * input.h (restore_input_file_stack): Declare.
624 (INPUT_FILE_STACK_BITS): Define.
625 * toplev.c (fs_p, input_file_stack_history,
626 input_file_stack_restored, restore_input_file_stack): New.
627 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
628 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
629 (pop_srcloc): Don't free old state of stack.
631 2006-08-26 David Edelsohn <edelsohn@gnu.org>
633 PR target/27544
634 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
635 (PowerPC Type Attributes): New.
637 2006-08-26 Bob Wilson <bob.wilson@acm.org>
639 * config/xtensa/xtensa.c (function_arg_boundary): New.
640 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
641 STACK_BOUNDARY.
642 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
643 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
645 2006-08-26 Jakub Jelinek <jakub@redhat.com>
647 PR middle-end/28683
648 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
649 3 following insns.
651 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
653 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
654 (verify_local_live_at_start): Likewise.
656 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
658 PR c/27893
659 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
660 omp_add_variable): Treat sizes as variable whenever not
661 INTEGER_CST.
663 2006-08-26 Richard Guenther <rguenther@suse.de>
665 PR middle-end/28814
666 * fold-const.c (fold_binary): Fold temporary to correct
667 type before constructing new comparison.
669 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
671 PR c/28418
672 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
673 variable again if DECL_SEEN_IN_BIND_EXPR_P.
675 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
677 PR c/28299
678 * c-decl.c (start_function): Don't try to process prototype
679 information from old declaration that isn't a function.
681 2006-08-25 Jan Hubicka <jh@suse.cz>
683 PR target/28621
684 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
686 2006-08-25 Alan Modra <amodra@bigpond.net.au>
688 PR target/27075
689 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
690 for 8 byte objects.
692 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
694 PR tree-optimization/16876
695 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
696 exit if PARM doesn't match VALUE.
698 2006-08-25 Bob Wilson <bob.wilson@acm.org>
700 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
701 literal_prefix directive.
702 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
703 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
704 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
706 2006-08-25 David Edelsohn <edelsohn@gnu.org>
708 PR target/28753
709 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
710 predicate to general_operand. Add 0->y and I->r alternatives.
712 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
714 * doc/tm.texi: Fix a typo.
715 * predict.c: Fix comment typos.
717 2006-08-25 Nick Clifton <nickc@redhat.com>
719 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
720 assertions of "cpu" and "machine".
722 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
724 PR tree-opt/28807
725 * tree-ssa-operands.c (access_can_touch_variable): Don't say
726 the access through a base which has an alias set of 0 cannot
727 touch the variable.
729 2006-08-24 Bill Wendling <wendling@apple.com>
731 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
733 2006-08-24 Jan Hubicka <jh@suse.cz>
735 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
737 2006-08-24 Jan Hubicka <jh@suse.cz>
739 PR debug/26881
740 * cgraph.c: Fix comments.
741 (cgraph_varpool_mark_needed_node): Mark only variables not already
742 output to file.
743 * cgraphunit.c: Update comments; include gt-cgraphunit.h
744 (cgraph_varpool_assembled_nodes_queue): New static variable.
745 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
746 (cgraph_varpool_output_debug_info): New function.
747 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
748 * Makefile.in: Add gt-cgraphunit.h
750 2006-08-24 Jan Hubicka <jh@suse.cz>
752 * predict.c (probability_reliable_p): New predicate.
753 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
754 (predict_loops): Do not predict loop exit with less than 2%
755 probability.
756 * basic-block.h (edge_probability_reliable_p,
757 br_prob_note_reliable_p): Declare.
758 * ia64.h (ia64_print_operand): Do not disable on-chip branch
759 prediction when static predictor is not reliable.
760 * rs6000.c (output_cbranch): Likewise.
762 2006-08-23 Stuart Hastings <stuart@apple.com>
764 PR 28825
765 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
766 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
768 2006-08-21 Geoffrey Keating <geoffk@apple.com>
770 PR debug/28692
771 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
772 complex values, nor for generic vector values.
774 2006-08-22 Richard Guenther <rguenther@suse.de>
776 PR middle-end/28776
777 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
778 parameter. Convert arguments to arithmetic expression to the
779 chrecs type.
780 (analyze_scalar_evolution_1): Adjust caller.
782 2006-08-22 Jan Hubicka <jh@suse.cz>
784 Patch by Paolo Bonzini
785 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
786 my previous patch.
788 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
790 PR tree-optimization/28003
791 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
792 before grouping aliases.
794 2006-08-22 Roger Sayle <roger@eyesopen.com>
796 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
797 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
799 2006-08-21 Jason Merrill <jason@redhat.com>
801 PR c++/27115
802 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
803 wrapper. Loop to handle nested wrappers.
804 (gimplify_bind_expr): Remove temp parameter.
805 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
806 and STATEMENT_LIST on the rhs.
807 (gimplify_statement_list): Voidify the STATEMENT_LIST.
808 (gimplify_expr): Pass pre_p to gimplify_statement_list.
809 (gimplify_target_expr): Remove special BIND_EXPR handling.
811 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
813 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
814 #if !__SHMEDIA__ .
816 2006-08-21 Olivier Hainque <hainque@adacore.com>
818 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
819 Arrange for the temporary captures of components overlapping the lhs
820 to happen before the lhs is possibly cleared.
822 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
824 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
825 necessary places to pass the correct "number of registers" values
826 to _Unwind_VRS_Pop.
828 2006-08-20 Jan Hubicka <jh@suse.cz>
830 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
831 (create_name_tags): Instead of quadratic checking use hashtable.
832 * bitmap.h: Include hashtab.h.
833 (bitmap_hash): Declare.
834 * bitmap.c (bitmap_hash): New function.
836 2006-08-20 Jan Hubicka <jh@suse.cz>
838 PR rtl-optimization/28071
839 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
840 twice.
841 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
842 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
843 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
844 cgraph_decide_inlining_incrementally): Update use of
845 cgraph_check_inline_limits.
846 * cgraph.c (edge_hash, edge_eq): New function.
847 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
848 cgraph_edge_remove_caller, cgraph_node_remove_callees,
849 cgraph_remove_node): Maintain call site hash.
850 * cgraph.h (struct cgraph_node): Add call_site_hash.
851 (cgraph_set_call_stmt): New function.
853 2006-08-20 Jan Hubicka <jh@suse.cz>
855 PR rtl-optimization/28071
856 * reload1.c (reg_has_output_reload): Turn into regset.
857 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
858 choose_reload_regs, emit_reload_insns): Update to new
859 reg_has_output_reload.
861 2006-08-20 Jan Hubicka <jh@suse.cz>
863 PR middle-end/28779
864 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
865 function body sizes.
866 * cgraphunit.c (cgraph_analyze_function): Don't do so.
868 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
870 PR target/28648 c:
871 * tree.c (handle_dll_attribute): Return early if not a
872 var or function decl.
874 2006-08-18 Joseph Myers <joseph@codesourcery.com>
876 PR target/27565
877 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
878 alignment of SPE vector types.
880 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
882 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
884 2006-08-17 Jakub Jelinek <jakub@redhat.com>
886 PR c/28744
887 * cgraph.h (struct cgraph_node): Remove externally_visible
888 bitfield.
889 * cgraphunit.c (process_function_and_variable_attributes): Set
890 local.externally_visible rather than externally_visible.
892 PR c/28744
893 * c-common.c (handle_externally_visible_attribute): First look
894 at TREE_CODE and only if it is function or var decl, check for
895 non-public objects. Don't warn for DECL_EXTERNAL.
896 * cgraphunit.c (process_function_and_variable_attributes): Warn
897 if externally_visible attribute is used on non-public object.
899 2006-08-17 Jan Hubicka <jh@suse.cz>
901 PR tree-optimization/27865
902 * reload1.c (forget_marked_reloads): New function.
903 (forget_old_reloads_1): When data are passed, just mark the registers
904 for later removal.
905 (reload_as_needed): Use the new mechanizm.
907 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
909 PR target/28146
910 * reload.h (reg_equiv_alt_mem_list): New declaration.
911 * reload1.c (reg_equiv_alt_mem_list): New definition.
912 (reload): Initialize it and release it.
913 (delete_output_reload): Use it.
914 * reload.c (push_reg_equiv_alt_mem): New function.
915 (find_reloads_toplev): Call it.
916 (find_reloads_address, find_reloads_address_1): Likewise.
917 (find_reloads_subreg_address): Likewise.
919 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
921 PR rtl-optimization/28489
922 * sched-ebb.c (begin_schedule_ready): Create basic block
923 at the right place.
924 (advance_target_bb): Skip empty blocks.
925 * haifa-sched.c (bb_note): Make global.
926 * sched-int.h (bb_note): Add prototype.
928 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
930 PR tree-optimization/27865
931 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
932 for pointer types.
933 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
934 fold_used_pointer, pointer_used_p): New functions.
935 (analyze_scalar_evolution_1): Use fold_used_pointer.
936 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
937 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
938 for pointers.
940 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
942 PR c++/28573
943 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
944 or the INTEGER_CST. Fail on a CALL_EXPR.
945 (fold_offsetof): Pass new argument to fold_offsetof_1.
946 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
947 operand into an INDIRECT_REF.
948 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
950 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
952 PR gcov/profile/26570
953 * value-prof.c (static_values): Removed.
954 (tree_find_values_to_profile): Do not set static_values.
955 (find_values_to_profile): Do not free static_values.
956 * profile.c (instrument_values): Do not free the values.
957 (branch_prob): Free the values.
959 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
961 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
963 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
965 PR c/27697
966 * c-typeck.c (build_component_ref): Combine qualifiers of
967 structure or union and field.
969 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
971 PR rtl-optimization/28071
972 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
973 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
974 * tree-into-ssa.c (struct dom_dfsnum): New.
975 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
976 functions.
977 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
978 compute_global_livein.
979 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
980 in phi nodes in the correct blocks.
982 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
984 PR tree-optimization/28364
985 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
986 correctly.
987 (fold_affine_expr): New function.
988 (may_eliminate_iv): Use fold_affine_expr.
990 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
992 PR c/27489
993 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
994 Clean up.
996 2006-08-16 Mike Stump <mrs@apple.com>
998 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
999 * doc/cppopts.texi (-MD): Likewise.
1001 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1003 PR c/28287
1004 * c-common.c (handle_weak_attribute): Ignore and warn if
1005 not a FUNCTION_ or VAR_DECL.
1007 2006-07-15 Mike Stump <mrs@apple.com>
1009 PR c/28280
1010 * c-parser.c (c_parser_typeof_specifier): Don't use
1011 c_finish_expr_stmt, open code desired semantics instead.
1013 2006-08-15 Nick Clifton <nickc@redhat.com>
1015 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1016 fragment to tmake_file only if threads are enabled.
1017 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1018 * config/i386/t-gthr-win32: New file. ... here.
1020 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1022 PR c/28649
1023 * c-parser.c (c_parser_compound_statement_nostart): Reset
1024 parser->error after each statement.
1026 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1028 PR middle-end/28713
1029 * omp-low.c (lower_omp_parallel): Convert t to
1030 receiver_decl's type.
1031 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1032 source before comparison.
1034 PR middle-end/28724
1035 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1036 to itype in assignment to oldival2.
1038 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1040 PR c/27490
1041 PR c/27489
1042 * c-typeck.c (build_compound_expr): If the second expression
1043 is an error mark, then just return an error mark instead of
1044 creating a COMPOUND_EXPR.
1046 2006-07-14 Mike Stump <mrs@apple.com>
1048 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1050 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1052 * c-decl.c, var-tracking.c: Fix comment typos.
1054 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1056 PR rtl-optimization/28634
1057 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1058 for floating-point modes unless flag_unsafe_math_optimizations.
1060 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1061 Andrew Pinski <pinskia@physics.uc.edu>
1063 PR c/27184
1064 * tree.c (build_array_type): Unify array types with
1065 unspecified index_type.
1066 * c-decl.c (grokdeclarator): Make sure we do not modify a
1067 unified incomplete array type.
1068 * c-typeck.c (store_init_value): Create distinct type before
1069 filling in the index type in an initializer from a compound
1070 literal.
1072 * c-decl.c (grokdeclarator): Remove code where we copy the
1073 array type over.
1075 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1077 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1078 into account for TODO_dump_cgraph.
1079 (TODO_update_ssa_no_phi): Likewise.
1080 (TODO_update_ssa_full_phi): Likewise.
1081 (TODO_update_ssa_only_virtuals): Likewise.
1082 (TODO_remove_unused_locals): Likewise.
1083 (TODO_set_props): Likewise.
1084 (TODO_update_stmt_usage): Likewise.
1086 2006-08-13 Dirk Mueller <dmueller@suse.de>
1088 * c-common.c (strict_aliasing_warning): Fix formatting.
1090 2006-08-13 Matthias Klose <doko@debian.org>
1092 * doc/invoke.texi: Fix spelling errors.
1094 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1096 PR rtl-optimization/23454
1097 * reorg.c (relax_delay_slots): Update comment.
1099 2006-08-11 Richard Guenther <rguenther@suse.de>
1101 PR middle-end/28651
1102 * simplify-rtx.c (simplify_const_relational_operation):
1103 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1104 codes.
1106 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1108 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1109 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1111 2006-08-10 Paul Brook <paul@codesourcery.com>
1113 * final.c (final_scan_insn): Clear current_insn_predicate before
1114 outputting inline asm.
1116 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1118 PR tree-optimization/26197
1119 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1120 get_ref_base_and_extent and overlap_subvar to add only relevant
1121 subvars as may-aliases.
1122 (add_may_alias_for_new_tag): New function, factored out of
1123 new_type_alias.
1124 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1125 with additional argument.
1126 * tree-flow.h (new_type_alias): Takes additional argument.
1128 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1130 * gcov.c (no_data_file): New flag.
1131 (read_count_file): Set it if data file not present. Assume counts
1132 zero if not found.
1133 (output_lines): Don't name the data file, if there wasn't one.
1135 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1137 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1138 (rs6000_generate_compare): Tweak comments.
1139 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1141 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1143 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1144 (var_debug_decl): New function.
1145 (var_reg_set): Follow debug decl link. Add location even if
1146 reg is already known to hold some other variable.
1147 (var_mem_set): Follow debug decl link.
1148 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1149 decl link. Delete other known locations of the variable part
1150 if requested.
1151 (var_reg_delete, var_mem_delete): Delete other known locations
1152 of the variable part if requested.
1153 (same_variable_part_p): New function.
1154 (add_stores): Select MO_COPY when appropriate.
1155 (vt_initialize): Handle it.
1156 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1157 known locations for MO_SET and MO_CLOBBER.
1158 (find_variable_location_part): New function.
1159 (set_variable_part, delete_variable_part): Use it.
1160 (clobber_variable_part): New function.
1161 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1162 decl link.
1164 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1166 PR tree-optimization/26969
1167 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1168 with an empty list of PHIs.
1170 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1172 PR target/27827
1174 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1175 instructions.
1177 2006-08-06 Andreas Schwab <schwab@suse.de>
1179 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1180 string. Whitespace and comment fixup.
1182 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1184 PR c/28502
1185 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1186 argument.
1188 PR c/27721
1189 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1191 PR c/28136
1192 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1194 2006-08-04 Jan Hubicka <jh@suse.cz>
1196 PR target/26655
1197 PR target/28270
1198 * reload.c (push_reload): Patch out the mismatching instruction;
1199 return early.
1200 (find_reload): Bail out if the instruction was patched out.
1202 2006-08-04 Jan Hubicka <jh@suse.cz>
1204 PR tree-optimization/24888
1205 * tree-inline.c (expand_call_inline): Do not re-record variables.
1206 (declare_inline_vars): Add variable to unexpanded_var_list.
1208 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1209 Roger Sayle <roger@eyesopen.com>
1211 PR rtl-optimization/26244
1212 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1213 inner_const are negative or greater than or equal to the bitsize of
1214 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1215 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1216 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1217 CONST0_RTX (mode) when the new shift count is greater than or equal to
1218 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1219 effects.
1221 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1223 * tree-cfg.c: Fix a comment typo.
1225 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1227 PR c++/28148
1228 * varasm.c (output_constant): Give the front end another chance to
1229 expand constants, after stripping NOPs.
1231 2006-08-03 Jan Hubicka <jh@suse.cz>
1233 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1234 implementation.
1236 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1238 PR tree-optimization/27770
1239 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1240 declaration removed (moved to tree-flow.h).
1241 (vect_can_force_dr_alignment_p): Likewise.
1242 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1243 (moved from tree-vectorizer.h).
1244 (vect_can_force_dr_alignment_p): Likewise.
1245 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1246 from outside the vectorizer - in particular from cgraph stage.
1247 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1248 the alignment of global arrays when -fsection-anchors is enabled.
1249 * cgraphunit.c (cgraph_increase_alignment): New function.
1250 (cgraph_optimize): Call cgraph_increase_alignment.
1252 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1254 PR target/27566
1255 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1256 not reload a SPE symbol_ref into a lo_sum address.
1258 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1260 PR debug/28063
1261 * dwarf2out.c (prune_unused_types_prune): Move call to
1262 prune_unused_types_update_strings to cover the parent DIE also.
1264 2006-08-02 Jan Hubicka <jh@suse.cz>
1266 PR gcov/profile/28480
1267 * tree-cfg.c (change_bb_for_stmt): New function.
1268 (tree_merge_blocks, tree_split_blocks): Use it.
1270 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1272 PR c++/28250
1273 PR c++/28257
1274 PR c++/28259
1275 PR c++/28267
1276 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1277 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1278 (cgraph_optimize): Likewise.
1280 2006-08-01 Stuart Hastings <stuart@apple.com>
1282 * rtl.h (UINTVAL) New.
1283 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1284 * testsuite/gcc.dg/20060801-1.c: New.
1286 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1288 PR debug/23336
1289 * c-typeck.c (build_external_type): Mark used enum types.
1290 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1291 cfun also.
1292 (gen_subprogram_die): Whitespace fix.
1294 2006-08-01 Jan Hubicka <jh@suse.cz>
1296 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1297 bitmap when not needed.
1298 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1299 bitmaps.
1301 2006-08-01 Dirk Mueller <dmueller@suse.de>
1303 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1305 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1307 * Makefile.in: Revert part of previous patch:
1308 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1309 and REGS_H.
1311 2006-07-30 Eric Christopher <echristo@apple.com>
1313 PR target/27543
1314 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1315 (PowerPC Variable Attributes): New section.
1317 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1319 PR target/28126 (partial fix)
1320 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1322 2006-07-28 Jan Hubicka <jh@suse.cz>
1324 PR rtl-optimization/28071
1325 * cfgrtl.c (rtl_delete_block): Free regsets.
1326 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1328 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1330 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1331 and variables used in dependencies.
1333 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1335 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1336 %fs for -mcmodel=kernel.
1337 (stack_tls_protect_test_di): Likewise.
1339 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1341 * Makefile.in: Use mkinstalldirs.
1343 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1345 PR driver/28437
1346 * opts-common.c (prune_options): Skip joined switches.
1348 2006-07-27 Jan Hubicka <jh@suse.cz>
1350 PR rtl-optimization/28071
1351 * cselib.c (cselib_process_insn): Don't remove useless values too
1352 often for very large hashtables.
1354 2006-07-27 Jan Hubicka <jh@suse.cz>
1356 PR rtl-optimization/28071
1357 * global.c (greg_obstack): New obstack.
1358 (allocate_bb_info): Use it.
1359 (free_bb_info): Likewise.
1360 (modify_reg_pav): Likewise.
1362 2006-07-27 Roger Sayle <roger@eyesopen.com>
1364 * builtins.c (fold_fixed_mathfn): When long and long long are the
1365 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1366 functions to their lceil*, lfloor*, lround* and lrint* forms.
1368 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1370 PR gcc/28508
1371 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1372 branch.
1373 (rev_branch_insn): Likewise.
1375 2006-07-27 Jan Hubicka <jh@suse.cz>
1377 PR rtl-optimization/28071
1378 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1379 (reg_set_in_bb, max_reg_computed): New static variables.
1380 (regmove_optimize): Free the new array.
1381 (fixup_match_1): Update call of reg_is_remote_constant_p.
1383 2006-07-26 Jan Hubicka <jh@suse.cz>
1385 PR tree-optimization/27882
1386 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1387 and decl fields.
1388 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1389 next pointer
1390 (cgraph_analyze_compilation_unit): Likewise.
1391 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1392 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1393 (cgraph_early_inlinine): Make order garbage collected.
1394 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1396 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1398 * dbxout.c (output_types_sort): Add a comment.
1399 (output_used_types): Free the VEC.
1401 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1403 * function.c (reorder_fix_fragments): Delete.
1404 (reorder_blocks): Don't call it.
1405 (reorder_blocks_1): Put all subblocks under the origin block.
1407 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1409 PR rtl-optimization/27907
1410 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1411 FLOAT_TRUNCATE.
1413 2006-07-25 Roger Sayle <roger@eyesopen.com>
1415 PR middle-end/28473
1416 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1417 bar(x) check that bar's result type can represent all the values of T.
1419 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1421 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1423 2006-07-25 Nick Clifton <nickc@redhat.com>
1425 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1426 size_lookup[] array.
1427 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1428 (ggc_pch_count_object): Likewise.
1429 (ggc_pch_alloc_object): Likewise.
1430 (ggc_pch_write_object): Likewise.
1431 (init_ggc): Do not attempt to initialize entries in the
1432 size_lookup[] array for objects whose size is greater than than
1433 the length of the array.
1435 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1437 * dbxout.c (output_used_types_helper): Push queued types
1438 on a VEC.
1439 (output_types_sort): New.
1440 (output_used_types): Collect used types on a VEC and sort them
1441 before emission.
1443 2006-07-24 Richard Guenther <rguenther@suse.de>
1445 PR middle-end/28463
1446 * cgraph.c (cgraph_remove_node): Do not check if dumps
1447 are enabled.
1448 * cgraphunit.c (cgraph_optimize): Likewise.
1450 2006-07-24 Jan Hubicka <jh@suse.cz>
1452 PR rtl-optimization/28071
1453 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1454 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1455 splitting before first stmt.
1457 2006-07-24 Jan Hubicka <jh@suse.cz>
1459 PR rtl-optimization/28071
1460 * ipa-inline.c (update_caller_keys): Remove edges that
1461 are no longer inline candidates.
1463 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1465 PR debug/27473
1466 * dbxout.c (output_used_types_helper, output_used_types): New.
1467 (dbxout_symbol): Call output_used_types.
1469 2006-07-23 Jan Hubicka <jh@suse.cz>
1471 PR c/25795
1472 PR c++/27369
1473 * cgraph.c (cgraph_varpool_nodes): Export.
1474 (decide_is_variable_needed): Ignored "used" attribute in
1475 unit-at-a-time mode.
1476 * cgraph.h (cgraph_varpool_nodes): Declare.
1477 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1478 unit-at-a-time mode.
1480 2006-07-23 Roger Sayle <roger@eyesopen.com>
1482 PR target/28247
1483 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1484 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1485 the __gthrw form of thr_keycreate.
1486 (__gthread_key_delete): Silence the unused argument warning.
1488 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1490 PR debug/25468
1491 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1492 Cache the last found '\0' marker to avoid quadratic behavior.
1494 2006-07-23 Jan Hubicka <jh@suse.cz>
1496 * i386.md (subsi_3_zext): Fix output template.
1498 2006-07-21 Mike Stump <mrs@apple.com>
1500 * doc/invoke.texi (C++ Dialect Options): Note that
1501 -fvisibility-inlines-hidden doesn't affect explicitly
1502 instantiationed inline methods.
1504 2006-07-20 Roger Sayle <roger@eyesopen.com>
1506 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1507 if the target assembler is GNU binutils' gas.
1508 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1509 whether to pass GNU gas or native as command line options.
1511 2006-07-20 Jason Merrill <jason@redhat.com>
1513 * tree.c (remove_attribute): New fn.
1514 * tree.h: Declare it.
1516 2006-07-20 Paul Brook <paul@codesourcery.com>
1518 PR 27363
1519 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1520 they are invalidated by this instruction.
1522 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1524 PR target/28427
1525 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1527 2006-07-20 Eric Christopher <echristo@apple.com>
1529 PR target/26877
1530 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1532 2006-07-19 Eric Christopher <echristo@apple.com>
1534 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1535 Rewrite dependencies for libgcc_s.1.dylib.
1537 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1539 * except.c (duplicate_eh_regions_1): Clear next_peer.
1541 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1543 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1544 -mlongcall does not guarantee all calls will be long.
1545 * doc/extend.texi (long_call/short_call): Document that longcall
1546 does not guarantee a long call will be used.
1547 (longcall/shortcall): Likewise.
1549 2006-07-18 Roger Sayle <roger@eyesopen.com>
1551 PR middle-end/28283
1552 * expmed.c (expand_shift): Additionally check that the shift_cost
1553 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1554 before implementing a LSHIFT_EXPR as a sequence of additions.
1555 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1556 middle-end that DImode shifts need to be synthesized by expand.
1558 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1560 PR 28410
1561 * tree-ssa-operands.c (access_can_touch_variable): Update
1562 comment.
1563 Return true if ALIAS is .GLOBAL_VAR.
1565 2006-07-18 David Daney <ddaney@avtrex.com>
1567 * gcc.c (display_help): Fix typo in help text.
1569 2006-07-18 Olivier Hainque <hainque@adacore.com>
1571 * tree.h (categorize_ctor_elements): Adjust prototype and add
1572 descriptive comment, both in accordance with the interface change
1573 described below.
1574 * varasm.c (constructor_static_from_elts_p): New function.
1575 Whether a constructor node is a valid static constant initializer
1576 if all its elements are.
1577 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1578 * output.h: Declare it.
1579 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1580 is a valid constant initializer instead of computing the number of
1581 non-constant elements. Use constructor_static_from_elts_p for this
1582 purpose. Replace the head comment with an indication that this is a
1583 helper for categorize_ctor_elements.
1584 (categorize_ctor_elements): Same interface change as for the _1
1585 helper. Former head comment from this helper moved here, adjusted to
1586 account for the interface changes.
1587 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1588 (all_zeros_p): Likewise.
1589 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1590 static versions of the constructor from the categorize_ctor_elements
1591 return value instead of the formerly computed number of non-constant
1592 elements.
1594 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1596 * configure: Regenerate.
1597 * Makefile.in (build_libsubdir): New configure substitution
1598 (build_libobjdir): New variable.
1599 (BUILD_LIBIBERTY): Use it.
1601 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1603 PR c/28286
1604 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1606 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1608 PR c/26993
1609 * c-common.c (handle_weakref_attribute): Ignore attribute in
1610 the same conditions the alias attribute is ignored.
1612 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1614 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1615 (dbxout_begin_prologue): Increment scope_labelno.
1617 2006-07-17 Richard Henderson <rth@redhat.com>
1619 PR 27889
1620 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1621 if needed.
1623 2006-07-17 Roger Sayle <roger@eyesopen.com>
1624 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1626 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1627 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1628 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1629 functions such as sbrk, write, etc.. Add function prototypes.
1630 Convert function declarations from K&R to ISO C. Cast pointers
1631 to "long" and "unsigned long" instead of "int" and "unsigned int".
1632 Convert tokens following #endif into comments.
1634 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1636 * invoke.texi: Remove mention of f77; Reformat table for
1637 inline parameter options correctly; mention that -malign-double
1638 is default on x86-64 targets.
1640 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1642 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1643 (convert_affine_scev, chrec_convert_aggressive): Use
1644 avoid_arithmetics_in_type_p. Do not check for the subtypes
1645 separately.
1647 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1649 PR middle-end/28403
1650 * optabs.c (expand_doubleword_shift): Wrap the call to
1651 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1653 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1655 PR middle-end/28402
1656 * optabs.c (expand_binop): Pass next_methods rather than methods
1657 to expand_doubleword_shift.
1659 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1661 PR other/28251
1662 * tree.h (dump_addr): Declare.
1663 * print-tree.c (dump_addr): New function.
1664 (print_node_brief, print_node): Use it.
1665 * print-rtl.c (print_rtx): Likewise.
1666 * common.opt (-fdump-noaddr): New option.
1667 * doc/invoke.texi (-fdump-noaddr): Document.
1668 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1669 (ve_info_hash): Likewise.
1671 2006-07-13 Andrew Haley <aph@redhat.com>
1673 PR tree-optimization/19505
1674 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1675 edge leaving this block, make sure that the destination of this
1676 block has only one predecessor.
1678 2006-07-17 Richard Guenther <rguenther@suse.de>
1680 PR tree-optimization/28238
1681 * tree-inline.c (copy_bb): Check if we produced valid
1682 gimple copying and substituting a stmt. If not, gimplify
1683 it.
1685 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1687 * optabs.c (maybe_encapsulate_block): New function extracted from...
1688 (emit_libcall_block): ...here. Invoke it on the block of insns to
1689 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1690 (emit_no_conflict_block): Likewise.
1692 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1694 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1696 2006-07-15 Roger Sayle <roger@eyesopen.com>
1698 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1699 a new NOP_EXPR case of the switch statement.
1701 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1703 PR middle-end/28160
1704 * stor-layout.c (place_field): Take the bit field with
1705 an excessive size into account in the ms-bitfiled case.
1707 PR middle-end/28161
1708 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1709 the previous bit field.
1711 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1713 PR target/27287
1714 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1716 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1718 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1719 signal frames correctly even when the signal was installed with
1720 sa_restorer set.
1722 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1724 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1725 (dbxout_function_end): Use local label LFBB. Remove hook
1726 DBX_OUTPUT_NFUN.
1727 (dbxout_source_line): Use local label LFBB.
1728 (dbxout_block): Likewise.
1729 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1730 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1731 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1732 and DBX_OUTPUT_NFUN.
1734 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1736 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1738 2006-07-13 Jan Hubicka <jh@suse.cz>
1740 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1741 align_variable.
1742 * output.h (align_variable): Declare.
1743 * varasm.c (align_variable): Export.
1744 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1745 when basic block changed.
1747 2006-07-13 Nick Clifton <nickc@redhat.com>
1749 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1750 walking the LOG_LINKS chain.
1752 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1754 * doc/invoke.texi (C++ Dialect Options): Explain difference
1755 between -fvisibility-inlines-hidden and setting hidden
1756 visibility explicitly.
1758 2006-07-12 Eric Christopher <echristo@apple.com>
1760 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1761 (stmp-lipo): Depend on libgcc.a.
1763 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1765 * tree.c: Fix a comment typo.
1767 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1769 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1770 dest.
1771 (umulhisi3_r): Likewise.
1773 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1775 PR libstdc++/27878
1776 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1777 x < 19, vs wchar_t support.
1779 2006-07-12 Nick Clifton <nickc@redhat.com>
1781 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1782 instead of -isa=sh4.
1784 2006-07-12 Mike Stump <mrs@apple.com>
1786 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1788 2006-07-10 Eric Christopher <echristo@apple.com>
1790 * config/t-slibgcc-darwin: Rewrite.
1792 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1794 PR bootstrap/20437
1795 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1796 dependencies.
1798 2006-07-08 Matthias Klose <doko@debian.org>
1800 * doc/sourcebuild.texi: Fix typo.
1802 2006-07-07 Mike Stump <mrs@apple.com>
1804 * toplev.c (process_options): Don't give -ffunction-sections may
1805 affect debugging warning for Mach-O.
1807 2006-07-07 James E Wilson <wilson@specifix.com>
1809 * config/mips/mips.md (cpu): Add sb1a.
1810 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1811 addition to sb1. Adjust comments to clarify SB-1A differences from
1812 SB-1.
1813 (ir_sb1a_load): New. Modify bypasses to use it.
1814 (ir_sb1a_simple_alu): Likewise.
1815 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1816 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1817 (mips_issue_rate): Add PROCESSOR_SB1A.
1818 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1819 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1820 (TARGET_SB1): Add PROCESSOR_SB1A check.
1821 (TUNE_SB1): Likewise.
1823 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1824 * config/mips/mips.c (mips_store_data_bypass_p): New.
1825 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1826 store_data_bypass_p.
1828 2006-07-08 Paul Brook <paul@codesourcery.com>
1830 PR target/27991
1831 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1833 2006-07-07 Richard Guenther <rguenther@suse.de>
1835 PR middle-end/28268
1836 * tree.h (build_one_cst): Declare.
1837 * tree.c (build_one_cst): New function.
1838 * tree-ssa-math-opts.c (get_constant_one): Remove.
1839 (insert_reciprocals): Use build_one_cst.
1840 * fold-const.c (fold_plusminus_mult): Likewise.
1842 2006-07-07 Roger Sayle <roger@eyesopen.com>
1844 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1845 * cfgloopanal.c (dump_graph): Likewise.
1846 * dojump.c (discard_pending_stack_adjust): Likewise.
1847 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1848 Likewise.
1849 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1850 * function.c (finalize_block_changes): Likewise.
1851 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1852 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1853 * rtl.c (dump_rtx_statistics): Likewise.
1854 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1855 Likewise.
1856 * varray.c (dump_varray_statistics): Likewise.
1857 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1858 decode_decimal64, encode_decimal128, decode_decimal128,
1859 decimal_real_to_decimal): Likewise.
1861 2006-07-07 Richard Guenther <rguenther@suse.de>
1863 PR tree-optimization/28187
1864 * tree-vrp.c (vrp_operand_equal_p): New function.
1865 (vrp_bitmap_equal_p): Likewise.
1866 (update_value_range): Use them to compare old and new
1867 max and min values.
1869 2006-07-06 Roger Sayle <roger@eyesopen.com>
1871 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1872 a default case to switch statement to silence compiler warnings.
1874 2006-07-06 Roger Sayle <roger@eyesopen.com>
1876 PR target/27968
1877 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1878 the configured assembler supports the x87's ffreep mnemonic.
1879 * configure: Regenerate.
1880 * config.in: Regenerate.
1882 * config/i386/i386.c (output_387_ffreep): New function.
1883 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1884 (output_387_reg_move): Likewise.
1886 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1888 Port to hosts whose 'sort' and 'tail' implementations
1889 treat operands with leading '+' as file names, as POSIX
1890 has required since 2001. However, make sure the code still
1891 works on pre-POSIX hosts.
1892 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1893 which says you should use "tail -c +N" rather than "tail +Nc".
1894 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1896 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1898 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1899 argument name.
1901 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1903 PR target/28150
1904 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1905 PRE_{INC,DEC} of TFmode.
1907 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1908 Alan Modra <amodra@bigpond.net.au>
1910 PR target/28170
1911 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1912 bounds. Simplify.
1914 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1916 PR target/28285
1917 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1918 Remove duplicate gtu.
1920 2006-07-05 Jason Merrill <jason@redhat.com>
1922 PR c++/13983
1923 PR c++/17519
1924 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1925 * c-common.c (handle_packed_attribute): So don't copy it here.
1926 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1928 2006-07-05 Mike Stump <mrs@apple.com>
1930 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1932 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1934 PR target/26146
1935 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1937 2006-07-05 Richard Guenther <rguenther@suse.de>
1939 PR target/28158
1940 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1941 TARGET_SSE2 targets if using SSE math.
1942 (*absdf2_1): Likewise.
1944 2006-07-05 Richard Guenther <rguenther@suse.de>
1946 PR tree-optimization/28162
1947 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1948 make sure to convert the operands to the correct type.
1950 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1952 PR tree-optimization/28218
1954 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1955 to calculate and free the dominator information.
1957 2006-07-04 Peter O'Gorman <peter@pogma.com>
1959 * mklibgcc.in: chmod 644 before ranlib during install.
1961 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1962 J"orn Rennecke <joern.rennecke@st.com>
1964 * configure.ac (.eh_frame data check): Use diff -b.
1966 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1968 PR bootstrap/18058
1969 * Makefile.in (BUILD_RTL): Add build/vec.o.
1970 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1971 (build/genextract): Delete.
1972 (build/genautomata): Likewise.
1974 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1976 PR target/28207
1977 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1978 128-bit IBM long doubles for ABI_V4.
1980 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1982 * tree.c (range_in_array_bounds_p): New predicate.
1983 * tree.h (range_in_array_bounds_p): Declare it.
1984 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1985 return a less conservative answer.
1986 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1987 and flag 'is_group'.
1988 (IS_ELEMENT_FOR_GROUP): New macro.
1989 (FOR_EACH_ACTUAL_CHILD): Likewise.
1990 (next_child_for_group): New helper function.
1991 (can_completely_scalarize_p): Take into account groups.
1992 (sra_hash_tree): Handle RANGE_EXPR.
1993 (sra_elt_eq): Likewise.
1994 (lookup_element): Be prepared for handling groups.
1995 (is_valid_const_index): Delete.
1996 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1997 instead of is_valid_const_index.
1998 <ARRAY_RANGE_REF>: New case.
1999 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2000 is_valid_const_index.
2001 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2002 (scan_dump): Dump info for groups too.
2003 (decide_instantiation_1): Likewise.
2004 (decide_block_copy): Assert that the element is not a group.
2005 Propagate decision to groups.
2006 (generate_one_element_ref): Handle RANGE_EXPR.
2007 (mark_no_warning): Iterate over actual childs.
2008 (generate_copy_inout): Likewise.
2009 (generate_element_copy): Likewise.
2010 (generate_element_zero): Likewise.
2011 (generate_element_init_1): Likewise.
2012 (dump_sra_elt_name): Handle RANGE_EXPR.
2014 2006-07-03 Roger Sayle <roger@eyesopen.com>
2016 PR tree-optimization/26251
2017 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2018 (thread_block): When optimizing for size refuse to thread jumps
2019 that would require duplication of blocks other than redirection
2020 blocks.
2022 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2024 * configure.ac: Fix thinko in previous check-in.
2025 * configure: Regenerate.
2027 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2029 PR other/27063
2030 * configure.ac (for lang...): Simplify nesting of conditionals.
2031 Test subdir_requires for non-enabled languages. Move processing
2032 of lang_opt_files and lang_tree_fiels below that test.
2033 * configure: Regenerate.
2034 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2036 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2038 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2040 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2042 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2043 comment typos.
2045 2006-06-29 Jason Merrill <jason@redhat.com>
2047 PR c++/26905
2048 PR c++/26612
2049 PR c++/27000
2050 PR c++/26984
2051 PR c++/19134
2052 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2053 * c-common.c (c_determine_visibility): Handle it here.
2054 * c-decl.c (finish_decl): Call c_determine_visibility for
2055 functions, too.
2056 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2057 * tree.h: Likewise.
2058 * varasm.c (default_assemble_visibility): Likewise.
2059 * c-common.c (handle_visibility_attribute): Complain about trying
2060 to give visibility to an already defined class, or trying to change
2061 declared visibility. Always attach the attribute.
2063 PR c++/26905
2064 PR c++/21675
2065 PR c++/17470
2066 * attribs.c (decl_attributes): Ignore type-in-place attributes
2067 once the type has been defined.
2069 2006-06-29 Roger Sayle <roger@eyesopen.com>
2071 PR middle-end/27428
2072 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2073 to indicate the cpplib has issued an error message for us.
2075 2006-06-29 Asher Langton <langton2@llnl.gov>
2077 PR target/25765
2078 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2079 insert a label at the end of an function under Mach-O.
2081 2006-06-29 Eric Christopher <echristo@apple.com>
2082 Evan Cheng <evan.cheng@apple.com>
2084 * predicates.md (vector_all_ones_operand): New.
2085 (nonimmediate_or_sse_const_operand): Ditto.
2086 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2087 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2088 (standard_sse_mode_p): Ditto.
2089 (standard_sse_constant_p): Add case for -1 vector.
2090 (ix86_expand_vector_move): Try to use.
2091 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2092 Call standard_sse_constant_opcode.
2093 (*movv4sf_internal): Ditto.
2094 (*movv2df_internal): Ditto.
2096 2006-06-29 Roger Sayle <roger@eyesopen.com>
2098 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2099 of XEXP to extract the operands of a MATCH_CODE rtx.
2101 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2103 * tree.c (tree_size): Do not waste tail padding in
2104 struct tree_string and make the size be the same as
2105 build_string will generate.
2107 2006-06-28 Jason Merrill <jason@redhat.com>
2109 PR c++/27768
2110 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2111 may_aliases already in the tag's annotations to the bitmap.
2113 2006-06-28 Roger Sayle <roger@eyesopen.com>
2115 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2117 2006-06-28 Roger Sayle <roger@eyesopen.com>
2119 * genpreds.c (generate_switch_p): New function.
2120 (add_mode_tests): Push the new mode test down inside an AND expr
2121 if this allows the switch-suitable MATCH_CODE to be near the root.
2122 (write_match_code_switch): New function to write a MATCH_CODE as
2123 a switch statement.
2124 (write_predicate_stmts): New function to write a predicate RTX
2125 expression as a sequence of statements.
2126 (write_one_predicate_function): Use write_predicate_stmts.
2127 (write_tm_constrs_h): Likewise.
2129 2006-06-26 Fred Fish <fnf@specifix.com>
2131 * config/mips/t-sb1: New file.
2132 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2133 tmake_file list.
2135 2006-06-26 DJ Delorie <dj@redhat.com>
2137 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2139 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2140 Jayant Sonar <jayants@kpitcummins.com>
2141 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2143 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2144 (subsi3, subsi3_1, subsi3_2): New.
2145 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2146 * config/m32c/mov.md (SI mov peephole): New.
2147 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2148 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2150 2006-06-26 Olivier Hainque <hainque@adacore.com>
2152 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2153 a CALL_EXPR target function declaration.
2155 2006-06-26 Richard Guenther <rguenther@suse.de>
2157 * tree.c (build_string): Do not waste tail padding in
2158 struct tree_string.
2160 2006-06-26 Richard Guenther <rguenther@suse.de>
2162 * ggc-page.c (init_ggc): Add missing element to size_lookup
2163 table.
2165 Revert
2166 2006-06-23 Richard Guenther <rguenther@suse.de>
2168 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2169 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2170 alignment requests instead. Add verification code.
2171 Add struct tree_function_decl and struct tree_binfo size to
2172 extra_order_size_table. Add missing element to size_lookup
2173 table.
2175 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2177 PR middle-end/28151
2178 * fold-const.c (const_binop): Be prepared for self returning zero.
2179 Simplify code handling complex values.
2181 2006-06-24 Olivier Hainque <hainque@adacore.com>
2183 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2184 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2185 aggregate types.
2187 2006-06-24 Olivier Hainque <hainque@adacore.com>
2189 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2190 ARRAY_REF, so have the callback called for the low bound expression.
2192 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2194 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2195 * c-typeck.c (c_common_type): Disallow operations on decimal float
2196 types and other float types.
2197 * convert.c (convert_to_real): Don't ignore conversions involving
2198 decimal float types.
2200 2006-06-23 Olivier Hainque <hainque@adacore.com>
2202 * tree.c (max_int_size_in_bytes): New function, inspired from
2203 code in function.c:assign_temp.
2204 * tree.h (max_int_size_in_bytes): Declare.
2205 * function.c (assign_temp): Use it.
2206 * gimplify.c (create_tmp_var): Relax the assertions on the type
2207 properties, not mandating constant size any more.
2208 (force_constant_size): New static function.
2209 (gimple_add_tmp_var): Use it, forcing variable size to a
2210 constant upper bound if it is not constant on entry.
2212 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2214 PR target/27789
2215 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2216 for initialization and setting of one_only flag to ...
2217 (i386_pe_encode_section_info): ...here.
2218 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2219 Recheck that the symbol has not been defined.
2221 2006-06-23 Richard Guenther <rguenther@suse.de>
2223 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2224 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2225 alignment requests instead. Add verification code.
2226 Add struct tree_function_decl and struct tree_binfo size to
2227 extra_order_size_table. Add missing element to size_lookup
2228 table.
2230 2006-06-22 Roger Sayle <roger@eyesopen.com>
2231 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2233 PR middle-end/28131
2234 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2235 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2237 2006-06-23 Ben Elliston <bje@au.ibm.com>
2239 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2240 negate dn -- manipulate it directly.
2242 2006-06-22 Roger Sayle <roger@eyesopen.com>
2243 Steven Bosscher <stevenb.gcc@gmail.com>
2245 PR target/27531
2246 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2247 generated by gen_move_insn to add REG_LABEL notes if necessary.
2249 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2251 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2252 (leaf_entry): Remove use of MIN_ESA.
2254 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2256 PR rtl-optimization/28121
2257 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2258 the entry edge.
2260 2006-06-21 DJ Delorie <dj@redhat.com>
2262 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2263 (TN-16C-A156A/E).
2264 (mulhisi3_r): Likewise.
2266 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2268 PR middle-end/28034
2269 * coverage.c (coverage_counter_alloc): Leave the index type
2270 unspecified.
2271 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2272 of the ARRAY_REF.
2274 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2276 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2277 section from the "Options for Code Generation Conventions".
2279 2006-06-21 Richard Henderson <rth@redhat.com>
2281 PR target/26347
2282 PR target/27082
2283 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2284 symbols.
2285 (global_symbolic_operand): Allow weak symbols, even if local_p.
2287 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2289 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2290 (find_interesting_uses_address): Punt if above function returns true.
2292 2006-06-21 Richard Guenther <rguenther@suse.de>
2294 * configure: Regenerated.
2296 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2298 * config/mips/mips.c (function_arg): Where one part of a
2299 complex argument is in registers and the other part in the stack,
2300 return a REG not a PARALLEL.
2302 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2304 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2305 when cross-compiling. Do not substitute libstdcxx_incdir.
2306 * configure: Regenerated.
2308 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2310 * varasm.c (mergeable_string_section): Check for embedded NULs and
2311 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2312 rather than TREE_STRING_LENGTH bytes.
2314 2006-06-21 Richard Guenther <rguenther@suse.de>
2316 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2317 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2318 sizes.
2320 2006-06-21 Richrad Guenther <rguenther@suse.de>
2322 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2323 Limit iteration over the dominators.
2325 2006-06-20 Roger Sayle <roger@eyesopen.com>
2327 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2328 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2330 2006-06-20 Richard Guenther <rguenther@suse.de>
2331 Michael Matz <matz@suse.de>
2333 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2334 function.
2335 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2336 * et-forest.h (et_free_pools): Prototype new function.
2337 * et-forest.c (et_free_tree_force): Free parent occurrence.
2338 (et_free_pools): New function.
2339 * dominance.c (free_dominance_info): Free et-forest alloc
2340 pools.
2342 2006-06-20 Roger Sayle <roger@eyesopen.com>
2344 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2345 integer modes, attempt to directly construct an integer constant.
2347 * fold-const.c (native_encode_vector): Determine the size of each
2348 element from the vector type instead of the first vector element.
2350 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2351 if all of its elements/components are constant.
2352 (build_constructor_from_list): Likewise.
2354 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2356 PR tree-optimization/27331
2357 * tree-data-ref.c (free_data_ref): New function.
2358 (create_data_ref): Fail if the data reference has unknown access
2359 function.
2360 (free_data_refs): Use free_data_ref.
2362 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2364 PR middle-end/28075
2365 * tree-inline.c (setup_one_parameter): Strip useless
2366 type conversion before adding it to the IR.
2367 (declare_return_variable): Likewise.
2369 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2371 PR c/27149
2372 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2374 2006-06-19 Mike Stump <mrs@apple.com>
2376 * tree.c (variably_modified_type_p): VM arguments don't make the
2377 type a VM type.
2379 2006-06-19 Richard Guenther <rguenther@suse.de>
2381 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2382 type conversions after folding.
2384 2006-06-19 Richard Guenther <rguenther@suse.de>
2386 * ggc-page.c (extra_order_size_tab): Add entries with
2387 size of struct function and basic_block.
2388 (size_lookup): Extend to cover sizes up to 511.
2389 (ggc_alloc_stat): Adjust user.
2390 (ggc_pch_count_object): Likewise.
2391 (ggc_pch_alloc_object): Likewise.
2392 (ggc_pch_write_object): Likewise.
2394 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2396 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2397 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2398 correctly.
2400 2006-06-19 Denis Chertykov <denisc@overta.ru>
2402 * config/avr/libgcc.S : Correct my wrong previous commit.
2404 2006-06-19 Roger Sayle <roger@eyesopen.com>
2406 PR target/27861
2407 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2408 have stripped a SUBREG from the shift count, so we may need to
2409 convert_to_mode back to the type's mode before calling make_tree.
2410 Use new_amount instead of amount to avoid expanding a tree twice.
2412 2006-06-19 Richard Guenther <rguenther@suse.de>
2414 PR middle-end/28045
2415 * fold-const.c (operand_equal_p): Check if the argument types
2416 have the same precision before stripping NOPs.
2418 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2420 Fix PR tree-optimization/27341
2421 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2422 statement we get.
2423 * tree-complex.c (pass_lower_complex): Update SMT usage.
2425 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2427 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2428 Add a new alternative to the constraint strings. Add move of
2429 operand 1 to 3 to the splitter definition.
2430 ("doloop_si_long"): Second contraint alternative removed.
2432 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2434 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2435 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2436 __AVR_HAVE_LPMX__.
2437 (AVR_HAVE_MOVW) Define.
2438 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2439 (ASM_SPEC): Add avr25.
2440 (LINK_SPEC): Add avr25.
2441 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2442 (base_arch_s): Add new member 'have_movw_lpmx'.
2443 (avr_arch_types): Init 'have_movw_lpmx'.
2444 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2445 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2446 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2447 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2448 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2449 AVR_HAVE_MOVW.
2450 (avr_file_start): Do not output '.arh' derective.
2451 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2452 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2453 * config/avr/avr.md (mcu_enhanced): Delete.
2454 (mcu_have_movw): Define.
2455 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2456 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2457 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2458 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2459 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2460 attiny861 and at86rf401 devices.
2462 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2464 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2465 of 4096.
2467 2006-06-17 Karl Berry <karl@gnu.org>
2469 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2470 doc/gccint.texi, doc/install.texi (@dircategory): Use
2471 "Software development" instead of "Programming", following
2472 the Free Software Directory.
2474 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2476 * config/i386/i386.c (legitimate_tls_address)
2477 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2478 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2479 (*tls_dynamic_gnu2_combine_64): Likewise.
2481 2006-06-16 Richard Guenther <rguenther@suse.de>
2483 PR middle-end/27116
2484 * fold-const.c (negate_expr_p): Do not introduce undefined
2485 overflow in negating INTEGER_CSTs.
2486 (fold_negate_expr): Rename from negate_expr. Revert last
2487 change for folding BIT_NOT_EXPR. Change semantics to
2488 return NULL_TREE for non-simplified negations. Do not
2489 strip type conversions and unify type handling.
2490 (negate_expr): New function, wrap around fold_negate_expr
2491 but ensure building a tree always. Strip type conversions
2492 here, fold to result type.
2493 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2495 2006-06-16 Roger Sayle <roger@eyesopen.com>
2497 PR middle-end/27802
2498 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2499 that (would) return their results in stack registers.
2501 2006-06-16 Michael Matz <matz@suse.de>
2502 Richard Guenther <rguenther@suse.de>
2504 * fold-const.c (fold_truthop): Only return new tree node if
2505 we canonicalized something.
2507 2006-06-16 Richard Guenther <rguenther@suse.de>
2509 * function.h (enum function_frequency): Move declaration
2510 out of struct function.
2511 (struct function): Move bool fields and the enum to the bitfield
2512 section. Reorder elements to avoid padding. Remove unused
2513 fields left over from the RTL inliner removal.
2514 * function.c (free_after_compilation): Do not zero removed fields.
2515 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2516 (ipa-type-escape.o): Likewise.
2518 2006-06-16 Richard Guenther <rguenther@suse.de>
2520 * cgraph.h (struct cgraph_local_info): Turn bool elements
2521 into a bitfield.
2522 (struct cgraph_node): Likewise.
2523 (struct cgraph_varpool_node): Likewise.
2525 2006-06-15 Richard Guenther <rguenther@suse.de>
2527 * fold-const.c (fold_truth_not_expr): Rename from
2528 invert_truthvalue. Give it fold_* semantics to avoid
2529 generating garbage.
2530 (invert_truthvalue): New function. Wrapper around
2531 fold_truth_not_expr.
2532 (optimize_minmax_comparison): Avoid creating garbage.
2533 (fold_unary): Use fold_truth_not_expr for folding
2534 TRUTH_NOT_EXPR.
2535 (fold_ternary): Replace uses of invert_truthvalue with
2536 fold_truth_not_expr where applicable.
2537 * tree.h (fold_truth_not_expr): Prototype.
2539 2006-06-16 Richard Guenther <rguenther@suse.de>
2541 PR tree-optimization/27781
2542 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2543 * ipa-pure-const.c (target.h): Include.
2544 (analyze_function): Do not analyze functions that do not
2545 bind locally.
2547 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2549 PR middle-end/27793
2550 * tree-dfa.c (referenced_vars_dup_list): Remove.
2551 (find_referenced_vars): Remove assert.
2552 (referenced_var_check_and_insert): Replace dup list with assert.
2553 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2554 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2556 2006-06-15 Richard Guenther <rguenther@suse.de>
2558 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2559 extra unused identifiers if not dumping.
2560 (create_variable_info_for): Likewise.
2562 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2564 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2565 (derive_constant_upper_bound): Derive more precise upper bound in
2566 common cases. Return type changed to double_int.
2567 (record_estimate): Reflect the changed return type of
2568 derive_constant_upper_bound.
2569 * double-int.c (double_int_zext, double_int_sext): Fix.
2571 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2573 * configure.ac (CFLAGS): Get them from the toplevel or from the
2574 configure invocation.
2575 * configure: Regenerate.
2576 * Makefile.in (CFLAGS): Substitute value provided by configure.
2578 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2580 PR c++/26559
2581 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2582 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2583 rather than calling add_stmt on it.
2584 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2586 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2588 PR middle-end/27959
2589 * reload1.c (reload): Remove registers returned by update_eliminables
2590 from used_spill_regs.
2592 2006-06-13 DJ Delorie <dj@redhat.com>
2594 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2596 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2598 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2599 html__strip_dir, html__mkdir_p. Enhance install-html target.
2600 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2601 * configure: Regenerate.
2603 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2605 * fold-const.c (fold_cond_expr_with_comparison): Check for
2606 Objective-C++ as language in deciding COND_EXPR transformation.
2608 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2610 PR target/28014:
2611 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2612 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2613 * config/sh/lib1funcs.h (SL, SL1): Define.
2614 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2615 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2616 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2617 (OBJS_Os_4_200): New variable.
2618 ($(T)libgcc-Os-4-200.a): Use it.
2619 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2620 when dividing 1 and/or by 0.
2622 2006-06-13 Roger Sayle <roger@eyesopen.com>
2624 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2625 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2626 * configure: Regenerate.
2628 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2630 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2631 for real instruction.
2633 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2635 PR middle-end/26807
2636 * haifa-sched.c (check_cfg): Handle special case.
2638 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2640 PR debug/26754
2641 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2642 Add debug_info parameter. Chain the vars to the BLOCK instead
2643 of the BIND_EXPR if debug info are requested for them.
2644 (pop_gimplify_context): Adjust for above change.
2645 (gimple_add_tmp_var): Likewise.
2646 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2647 Add bool parameter.
2648 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2649 (convert_local_reference): Likewise.
2650 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2651 (finalize_nesting_tree_1): Request that debug info be emitted
2652 for debug_var_chain.
2654 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2656 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2657 for PR target/27863.
2659 2006-06-13 Richard Guenther <rguenther@suse.de>
2661 PR middle-end/27536
2662 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2664 2006-06-13 Richard Guenther <rguenther@suse.de>
2666 PR tree-optimization/27830
2667 * tree-inline.c (copy_body_r): For copying the operand
2668 of an ADDR_EXPR make sure to fold &* afterwards.
2670 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2672 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2673 lvalues in the fb_none case with side-effects.
2675 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2677 * tree-flow.h: Remove the prototype for
2678 compute_phi_arg_on_exit.
2679 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2680 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2681 Remove.
2683 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2685 * builtins.c (expand_builtin_return_addr): Only use
2686 frame_pointer_rtx when count == 0 and we are expanding
2687 __builtin_return_address.
2689 2006-06-12 Fred Fish <fnf@specifix.com>
2691 * config/mips/mips.c (mips_file_start): Create special section
2692 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2694 2006-06-11 Eric Christopher <echristo@apple.com>
2696 PR middle-end/27948
2697 * stor-layout.c (place_field): Remove check for
2698 remaining_in_alignment when aligning at the end of a run.
2700 2006-06-11 Eric Christopher <echristo@apple.com>
2702 PR 27542
2703 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2704 pragma.
2706 2006-06-11 Roger Sayle <roger@eyesopen.com>
2708 PR target/27858
2709 Revert incorrect fix for PR target/27158
2710 2006-05-08 Roger Sayle <roger@eyesopen.com>
2711 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2712 of a reg_equiv_constant if the result is a legitimate constant.
2714 2006-06-11 Roger Sayle <roger@eyesopen.com>
2716 PR target/27158
2717 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2718 extract a CONST_VECTOR element and interpret it as an integer.
2719 (vspltis_constant): Use const_vector_elt_as_int instead of the
2720 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2721 * config/rs6000/predicates.md (easy_vector_const): Consider
2722 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2724 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2726 PR middle-end/27942
2727 * stor-layout.c (update_alignment_for_field): Don't add extra
2728 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2729 code.
2731 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2733 * config/mips/t-rtems: Add EL/EB multilib variants.
2735 2006-06-09 Mike Stump <mrs@apple.com>
2737 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2739 2006-06-09 David Daney <ddaney@avtrex.com>
2741 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2743 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2745 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2747 2006-06-09 Richard Guenther <rguenther@suse.de>
2749 PR tree-optimization/26998
2750 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2751 of signed types, only TYPE_MIN_VALUE is special, but for both,
2752 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2753 in this case, as is -fwrapv.
2755 2006-06-08 Mike Stump <mrs@apple.com>
2757 PR target/26427
2758 * config/darwin.c (darwin_asm_output_anchor): Disable
2759 -fsection-anchors on darwin for now.
2760 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2761 * rs6000/rs6000.c (optimization_options): Likewise.
2763 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2765 PR target/27421
2766 * config/i386/i386.c (classify_argument): Skip fields with invalid
2767 types in unions.
2769 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2771 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2772 (cse_insn): Likewise for the stack_pointer_rtx.
2774 2006-06-08 Roger Sayle <roger@eyesopen.com>
2776 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2777 conditions from floating point comparisons.
2779 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2781 PR middle-end/27733
2782 * expmed.c (struct alg_hash_entry): Fix type of field T
2783 to match synth_mult argument.
2784 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2786 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2788 PR target/27863
2789 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2790 block boundaries.
2792 2006-06-08 Richard Guenther <rguenther@suse.de>
2794 PR middle-end/27116
2795 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2796 only, if overflow is defined and not trapping.
2797 (negate_expr): Likewise.
2799 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2801 PR tree-optimization/27872
2802 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2803 flag on the new exit edge of the unrolled loop.
2805 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2807 PR rtl-optimization/26449
2808 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2810 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2812 PR middle-end/27793
2813 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2814 referenced_variables with matching DECL_UID's.
2815 (find_referenced_vars): Make sure duplicate list is empty to start.
2816 (referenced_var_p): Remove.
2817 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2818 Check if var is in the list, and add if needed. Update the duplicate
2819 list if a different var is in the list with the same DECL_UID.
2820 (add_referenced_var): Call routine to check and insert.
2821 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2822 * tree-flow.h (referenced_vars_dup_list): External declaration.
2824 2006-06-07 Fred Fish <fnf@specifix.com>
2826 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2827 into single entry.
2829 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2831 PR target/27390
2832 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2833 the imaginary and real parts of a clobbered register.
2834 Emit insn to set the imaginary part.
2836 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2838 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2839 in lieu of unwind-dw2-fde.c.
2841 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2843 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2845 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2847 PR target/27842
2848 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2849 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2850 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2851 V4SImode temporaries and operations instead.
2853 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2855 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2856 dp-bit.c.
2858 2006-06-06 Mike Stump <mrs@apple.com>
2860 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2861 installing during build.
2863 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2865 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2866 value to 0.
2867 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2868 * config/ia64/ia64.c (params.h): New header.
2869 (ia64_optimization_options): New function to adjust parameters.
2870 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2871 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2872 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2874 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2876 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2878 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2880 PR target/27051
2881 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2883 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2884 Victor Kaplansky <victork@il.ibm.com>
2886 PR tree-optimization/26360
2887 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2888 stmts.
2890 2006-06-04 Roger Sayle <roger@eyesopen.com>
2891 Andrew Pinski <pinskia@physics.uc.edu>
2893 PR middle-end/27382
2894 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2895 for LABEL_DECL before calling DECL_WEAK.
2897 PR c/27150
2898 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2899 LABEL_DECL and PARM_DECL.
2901 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2903 PR c/25161
2904 PR c/27020
2905 * c-decl.c (grokdeclarator): Disallow variably modified types at
2906 file scope. Avoid marking shared array type of constant size as
2907 VLA.
2909 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2911 PR c++/27601
2912 * c-common.c (fold_offsetof_1): Handle static members.
2914 2006-06-04 Eric Christopher <echristo@apple.com>
2916 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2917 (debug_rli): Output value for remaining_in_alignment.
2918 (update_alignment_for_field): Unconditionalize
2919 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2920 extra alignment code.
2921 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2922 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2923 * tree.h (record_layout_info_s): Remove prev_packed.
2924 * doc/extend.texi (ms_struct): Add documentation of format.
2926 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2928 * tree.h: Declare folding_initializer.
2929 * builtins.c (fold_builtin_constant_p): Give definite answer
2930 if folding inside an initializer.
2931 * fold-const.c: Define folding_initializer.
2932 (START_FOLD_INIT): Save and then set folding_initializer.
2933 (END_FOLD_INIT): Restore folding_initializer.
2935 2006-06-04 Richard Guenther <rguenther@suse.de>
2937 PR tree-optimization/27039
2938 * fold-const.c (fold_comparison): Handle pointer comparison
2939 again for all comparison codes. Compare offsets in signed
2940 size type.
2941 (fold_binary): Move code from here.
2943 2006-06-03 Roger Sayle <roger@eyesopen.com>
2945 PR target/26223
2946 * config/i386/i386.c (construct_container): Split static issued_error
2947 flag into issued_sse_arg_error, issued_sse_ret_error and
2948 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2949 requires the use of x87 registers and the user explicitly
2950 specified the -mno-80387 command line option.
2952 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2954 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2955 HAVE_DECL_SIGALTSTACK.
2956 (MC_FLD): New.
2957 (segv_handler): Use MC_FLD.
2958 * configure.ac: Check for a sigaltstack declaration.
2959 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2960 * configure: Regenerate.
2961 * config.in: Regenerate.
2963 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2965 PR other/27850
2966 * Makefile.in (stmp-fixinc): Fix typo.
2968 2006-06-02 Roger Sayle <roger@eyesopen.com>
2970 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2971 are type correct. Clean-up.
2972 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2973 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2975 2006-06-01 DJ Delorie <dj@redhat.com>
2977 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2978 shift, as we've disabled the "switch" insn that needs it.
2980 2006-06-01 Per Bothner <bothner@bothner.com>
2982 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2983 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2984 * c-ppoutput.c (cb_define): Don't increment line 0.
2986 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2988 * doc/invoke.texi: Add cpu_type power6.
2989 * config.gcc: Add cpu_type power6.
2990 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2991 to power5+ with Altivec.
2992 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2993 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2995 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2997 * config/avr/avr.h (SET_ASM_OP): Define.
2999 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3001 * config/bfin/bfin.c: Fix comment typos.
3003 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3005 PR 25453
3006 * doc/install.texi: Document --enable-bootstrap and
3007 --disable-bootstrap.
3009 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3011 * doc/install.texi: Document that InfoZIP can replace jar.
3013 2006-05-31 Roger Sayle <roger@eyesopen.com>
3015 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3016 isn't available, directly generate the simpler x87 patterns without
3017 the (use (const_int 0)).
3018 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3019 implementation isn't available.
3020 (*negdf2_1): Likewise.
3021 (*negxf2_1): XF mode negation is always done using the x87.
3022 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3024 2006-05-31 Roger Sayle <roger@eyesopen.com>
3026 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3027 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3028 cabs(z).
3029 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3031 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3033 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3034 * config/bfin/bfin.c (basic-block.h): Include.
3035 (struct machine_function): New.
3036 (bfin_init_machine_status): New.
3037 (override_options): Initialize init_machine_status.
3038 (bfin_hardware_loop): New.
3039 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3040 (DEF_VEC_P (loop_info)): New.
3041 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3042 (struct loop_info): New.
3043 (loop_info): New typedef.
3044 (struct loop_work): New.
3045 (loop_work): New typedef.
3046 (DEF_VEC_O (loop_work)): New.
3047 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3048 (bfin_dump_loops): New.
3049 (bfin_bb_in_loop): New.
3050 (bfin_scan_loop): New.
3051 (bfin_optimize_loop): New.
3052 (bfin_reorg_loops): New.
3053 (bfin_reorg): Use bfin_reorg_loops.
3054 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3055 loop registers.
3056 (I_REGNO_P): Simplify.
3057 (DP_REGNO_P, DPREG_P): New macros.
3058 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3059 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3060 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3061 Add LT_REGS, LC_REGS, LB_REGS.
3062 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3063 'l' for LB_REGS.
3064 (REGNO_REG_CLASS): Deal with loop registers.
3065 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3066 letters.
3067 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3068 New constants for loop registers.
3069 (UNSPEC_LSETUP_END): New.
3070 (seq_insns): New define_attr. Set it for appropriate insns.
3071 (movsi_insn): Add alternatives for move from/to
3072 loop count registers.
3073 (doloop_end): New define_expand.
3074 (loop_end): New define_insn.
3075 (define_split for bad doloop_end): New.
3076 (lsetup_with_autoinit): New define_insn.
3077 (lsetup_without_autoinit): New define_insn.
3078 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3079 * config/bfin/predicates.md (lc_register_operand): New.
3080 (lt_register_operand): New.
3081 (lb_register_operand): New.
3082 (nondp_register_operand): New.
3083 (nondp_reg_or_memory_operand): New.
3084 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3086 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3088 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3089 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3091 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3093 * Makefile.in (CATALOGS): Add po/ prefix.
3094 * configure: Regenerated.
3096 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3098 PR target/27829
3099 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3100 a shift operand before calling shift_op. Avoid redundant call of
3101 shift_op.
3103 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3104 DJ Delorie <dj@redhat.com>
3106 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3107 we're inserting is a singlt-bit constant.
3109 2006-05-30 Roger Sayle <roger@eyesopen.com>
3111 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3112 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3114 2006-05-30 Roger Sayle <roger@eyesopen.com>
3116 PR tree-optimization/23452
3117 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3118 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3119 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3120 complex values and with -ffast-math for FP complex values.
3122 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3124 * c-common.h: Remove the prototype for yyparse.
3125 * rtl.h: Remove the prototype for init_loop.
3127 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3129 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3130 calling recog.
3132 2006-05-30 Roger Sayle <roger@eyesopen.com>
3134 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3135 and rotate cases.
3136 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3137 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3139 2006-05-30 Dirk Mueller <dmueller@suse.de>
3141 PR c/27273
3142 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3143 for CONSTANT_CLASS_P expresisons.
3145 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3147 PR c/27718
3148 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3150 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3152 PR tree-optimization/27779
3153 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3154 initial_condition instead of CHREC_LEFT.
3156 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3158 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3159 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3160 Make prototypes ISO C90.
3162 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3163 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3165 * see.c (see_analyze_one_def): Correct check.
3166 (see_get_extension_data): Check if extension is parallel.
3167 (see_get_extension_reg): Likewise.
3169 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3171 PR target/27790
3172 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3173 into register for (code == GTU).
3175 2006-05-29 Roger Sayle <roger@eyesopen.com>
3177 PR tree-optimization/24964
3178 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3179 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3180 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3181 abs(x)*abs(x) as x*x for scalar floating point modes.
3183 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3185 PR middle-end/27745
3186 * lambda-code.c (perfect_nestify): Don't copy statements
3187 in the inner loop: move them to the inner loop header.
3189 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3191 PR 26237
3192 * c-tree.texi: Document OpenMP directives and clauses.
3194 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3196 * varasm.c (globalize_decl): Fix indentation.
3198 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3200 PR 26242
3201 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3202 pass_fre, pass_store_ccp, pass_copy_prop,
3203 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3204 pass_return_slot, pass_object_size, pass_lim,
3205 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3206 pass_loop_prefetch and pass_stdarg.
3208 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3210 * config/bfin/bfin.opt (mfdpic): New option.
3211 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3212 (EXTRA_MULTILIB_PARTS): Likewise.
3213 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3214 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3215 multilib.
3216 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3217 (CRT_CALL_STATIC_FUNCTION): New.
3218 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3219 -shared.
3220 (CRT_CALL_STATIC_FUNCTION): New.
3221 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3222 FD-PIC moves.
3223 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3224 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3225 (initialize_trampoline): Changed to handle FD-PIC code generation.
3226 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3227 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3228 (override_options): Disallow -mid-shared-library -mfdpic combination.
3229 Can't do unaligned ops if FD-PIC.
3230 Turn off flag_pic if trying to generate non-id-shared-library
3231 non-fdpic code, since it's not supported.
3232 (bfin_assemble_integer): New function.
3233 (TARGET_ASM_INTEGER): Define.
3234 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3235 __BFIN_FDPIC__.
3236 * config/bfin/crtn.s: Restore them.
3237 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3238 if TARGET_FDPIC.
3239 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3240 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3241 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3242 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3243 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3244 call-used.
3245 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3246 FDPIC_REGS and FDPIC_FPTR_REGS.
3247 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3248 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3249 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3250 (load_funcdescsi): New pattern.
3251 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3252 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3253 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3255 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3257 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3258 loop.c.
3260 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3262 * tree-flow.h: Remove the prototype for add_type_alias.
3263 * tree-ssa-alias.c (add_type_alias): Remove.
3265 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3267 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3268 config/fr30/fr30.md, config/i386/i386-interix.h,
3269 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3270 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3271 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3272 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3273 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3274 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3275 Follow spelling conventions.
3276 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3277 Follow spelling conventions.
3279 2006-05-27 Richard Guenther <rguenther@suse.de>
3281 PR middle-end/27773
3282 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3283 to produce a constant of value 1 of generic type.
3285 2006-05-27 Dirk Mueller <dmueller@suse.de>
3287 * cgraphunit.c (decide_is_function_needed): Fix wrong
3288 PR reference.
3290 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3292 PR rtl-optimization/27661
3293 * reload.c (find_reloads): When reloading a VOIDmode constant
3294 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3295 use Pmode as mode of the reload register.
3297 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3299 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3300 is enabled at -O and above.
3302 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3304 PR target/27571
3305 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3306 table data.
3308 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3310 PR c++/20103
3311 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3312 for anonymous variables explicitly declared by front ends.
3314 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3316 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3317 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3318 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3319 ref-all pointers, run a finalization pass for them.
3320 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3321 (finalize_ref_all_pointers): New function.
3322 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3323 regular pointer type to a ref-all pointer type.
3324 (get_tmt_for): Return the special memory tag for ref-all pointers.
3326 2006-05-25 Richard Guenther <rguenther@suse.de>
3328 PR middle-end/27743
3329 * fold-const.c (fold_binary): Do not look at the stripped
3330 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3332 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3334 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3335 for LT and GT if the computed range is effectively empty.
3337 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3339 PR target/27627
3340 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3341 mips_quad_format formats instead of ieee_single_format,
3342 ieee_double_format and ieee_quad_format formats, respectively.
3344 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3346 PR tree-optimization/27639
3347 PR tree-optimization/26719
3348 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3349 call to scev_probably_wraps_p.
3350 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3351 used_in_pointer_arithmetic_p, convert_step): Removed.
3352 (nowrap_type_p): New function.
3353 (scev_probably_wraps_p): Rewritten.
3354 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3355 chrec_convert if chrec_convert_aggressive might have been used.
3356 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3357 scev_direction): New functions.
3358 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3359 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3360 instead of convert_step.
3361 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3362 (convert_step): Declaration removed.
3363 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3365 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3367 * df-core.c: Added to header comments.
3368 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3369 df_ur_bb_info, df_urec_bb_info): Added comments.
3370 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3371 urec, ri problems): Fixed header comments.
3372 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3373 code from df_rd_transfer_function.
3375 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3377 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3378 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3379 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3381 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3383 * expr.c (undefined_operand_subword_p): New.
3384 (emit_move_multi_word): Do not generate move from undefined bits
3385 of a paradoxical subreg.
3387 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3389 PR rtl-optimization/27736
3390 * combine.c (replaced_rhs_value): New variable.
3391 (combine_instructions): Set it.
3392 (distribute_notes): When distributing a note in replaced_rhs_insn,
3393 check whether the value was used in replaced_rhs_value.
3395 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3397 PR c++/26757
3398 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3399 add_referenced_var instead of add_referenced_tmp_var.
3400 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3401 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3402 add_referenced_var.
3403 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3404 tree_optimize_tail_calls_1): Use add_referenced_var.
3405 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3406 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3407 Use add_referenced_var.
3408 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3409 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3410 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3411 Use add_referenced_var.
3412 * tree-dfa.c (struct walk_state): Remove.
3413 (find_referenced_vars): Remove walk state and vars_found hash table.
3414 (make_rename_temp): Use add_referenced_var.
3415 (find_vars_r): Pass less parameters to add_referenced_var.
3416 (referenced_var_p): New. Is var in referenced_var hash table.
3417 (referenced_var_insert): Assert var isn't already in hash table.
3418 (add_referenced_var): Don't need walk_state parameter. Add var if it
3419 isn't already in the hash table.
3420 (add_referenced_tmp_var): Remove.
3421 (find_new_referenced_vars_1): Use add_referenced_var.
3422 * tree-ssa-pre.c (create_expression_by_pieces,
3423 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3424 Use add_referenced_var.
3425 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3426 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3427 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3428 add_referenced_var.
3429 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3430 vect_create_data_ref_ptr, vect_create_destination_var,
3431 vect_init_vector, vect_build_loop_niters,
3432 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3433 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3434 Use add_referenced_var.
3435 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3436 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3437 (add_referenced_var): Add prototype.
3438 * tree-ssa-structalias.c (get_constraint_for,
3439 intra_create_variable_infos): Use add_referenced_var.
3441 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3443 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3444 big-endian paradoxical subregs.
3445 * var-tracking.c (struct micro_operation_def): Document that,
3446 for modify micro operations, insn is the subsequent instruction.
3447 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3448 (var_reg_set, var_mem_set): ... new functions.
3449 (add_stores): Record subsequent insn.
3450 (compute_bb_dataflow): Use new functions for MO_USE.
3451 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3452 notes after the insn, and modify notes before the insn known
3453 to be the subsequent one.
3454 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3456 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3458 PR target/27696
3459 * config/i386/i386.c (ix86_expand_builtin): Use
3460 gen_sse3_monitor64 for TARGET_64BIT.
3462 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3464 PR rtl-optimization/26375
3465 PR rtl-optimization/26855
3466 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3467 to gen set.
3468 (df_ru_bb_local_compute): Reversed statements and removed bogus
3469 comment explaining why they should be in wrong order.
3470 (df_ru_dump, df_rd_dump): Enhanced debug info.
3471 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3472 debug info.
3473 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3474 reaching uses and fixed space problem.
3476 2006-05-23 Jan Hubicka <jh@suse.cz>
3478 * cgraphunit.c (decide_is_function_needed): Also nested functions
3479 and functions declared inline can be optimized out at -O0.
3481 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3483 * doc/install.texi (Configuration): Remove reference to CrossGCC
3484 FAQ which was gone.
3485 (Building): Ditto.
3487 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3489 PR target/27266
3490 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3491 ix86_compare_emitted is non-NULL.
3493 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3495 PR c++/27451
3496 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3497 clobbers.
3499 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3501 PR rtl-optimization/25514
3502 * combine.c (replaced_rhs_insn): New variable.
3503 (combine_instructions): Set replaced_rhs_insn when trying to replace
3504 a SET_SRC with a REG_EQUAL note.
3505 (distribute_notes): Use replaced_rhs_insn when determining the live
3506 range of a REG_DEAD register.
3508 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3509 Anatoly Sokolov <aesok@post.ru>
3511 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3512 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3513 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3514 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3515 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3516 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3517 at90usb647, at90usb1286 and at90usb1287 devices.
3518 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3519 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3521 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3523 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3525 2006-05-22 Richard Guenther <rguenther@suse.de>
3527 Revert
3528 2006-01-31 Richard Guenther <rguenther@suse.de>
3529 Paolo Bonzini <bonzini@gnu.org>
3531 * doc/install.texi (--disable-libgcc-math): Document.
3533 2006-05-22 Richard Guenther <rguenther@suse.de>
3535 Revert
3536 2006-01-31 Richard Guenther <rguenther@suse.de>
3538 * doc/invoke.texi (-msselibm): Document.
3539 * target.h (expand_library_builtin): New target hook.
3540 * builtins.c (expand_builtin): Use expand_library_builtin.
3541 (default_expand_library_builtin): New function.
3542 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3543 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3544 (link_gcc_math_spec): Declare.
3545 (static_specs): Add link_gcc_math_spec.
3546 * expr.h (default_expand_library_builtin): Declare.
3547 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3548 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3549 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3550 * config/i386/i386.opt (msselibm): New target option.
3551 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3552 (ix86_init_sse_abi_builtins): New function.
3553 (ix86_expand_library_builtin): Likewise.
3554 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3555 (override_options): Handle error conditions wrt -msselibm.
3556 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3557 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3558 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3559 builtins.
3561 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3563 PR c/27420
3564 * c-common.c (self_promoting_args_p): Skip erroneous args.
3566 PR c/26818
3567 * c-decl.c (finish_struct): Skip erroneous fields.
3569 2006-05-22 Nick Clifton <nickc@redhat.com>
3571 * config/cris/cris.opt (march): Remove VarExists attribute.
3572 (max-stackframe=): Likewise.
3574 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3576 * doc/rtl.texi: Fix a typo.
3577 * see.c: Fix comment typos.
3579 * tree-ssa-structalias.h (alias_info): Remove num_references.
3581 2006-05-21 Mike Stump <mrs@apple.com>
3583 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3584 (BAD2): Add.
3585 (darwin_pragma_options): Use BAD instead.
3586 (darwin_pragma_unused): Likewise.
3587 (darwin_pragma_ms_struct): Likewise.
3589 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3591 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3593 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3595 PR rtl-optimization/27671
3596 * simplify-rtx.c (simplify_relational_operation_1): Fix
3597 simplifications of (eq/ne (xor x y) y) and
3598 (eq/ne (xor x y) x).
3600 PR tree-optimization/26622.
3601 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3602 on arg1.
3604 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3606 * tree-cfg.c: Prune whitespace.
3607 (debug_tree_cfg): Point to correct header containing the
3608 TDF_* defines.
3610 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3612 PR middle-end/25776
3613 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3615 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3617 PR middle-end/25776
3618 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3619 or sorry count is non zero.
3621 2006-05-20 Andreas Schwab <schwab@suse.de>
3623 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3625 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3626 Kenneth Zadeck <zadeck@naturalbridge.com>
3628 PR rtl-optimization/26855
3630 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3631 multiword refs.
3632 (df_scan_alloc): Added code to properly handle multiword hard
3633 registers and add all_blocks parameter.
3634 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3635 code to properly handle multiword hard registers.
3636 (df_rescan_blocks): Added code to remove deleted blocks from
3637 bitmap.
3638 (df_ref_create_structure, df_ref_record): Added code to properly
3639 handle subregs.
3640 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3641 and set DF_REF_PARTIAL.
3642 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3643 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3644 (df_scan_add_problem): Added flags parameter.
3645 (df_ref_create_structure): Changed switching structure.
3646 (df_bb_refs_record): Fixed case where duplicate artificial refs
3647 were created. Changed location of flags.
3648 (df_record_entry_block_defs): Added code to make stack pointer
3649 live in entry block. Refined cases where frame pointer is needed.
3650 Changed location of flags.
3651 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3652 (df_set_state): Removed function.
3653 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3654 df_insn_create_insn_record, df_insn_refs_delete,
3655 df_ref_create_structure): Formatting changes.
3656 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3657 df_delete_basic_block): New function.
3658 (df_init): Changed location of flags.
3659 (df_add_problem): Added flags parameter and the way flags are
3660 processed.
3661 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3662 debug_df_chain): Improved debugging output.
3663 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3664 (df_refs_chain_dump): Removed df parameter.
3665 (df_iterative_dataflow): Added consistency check.
3666 (df_prune_to_subcfg): Made public.
3667 (df_analyze_problem): Added blocks_to_init parameter and made
3668 public.
3669 (df_ref_record, df_bb_refs_record, df_mark_reg,
3670 df_record_exit_block_uses): Whitespace changes.
3671 (df_dump): Whitespace changes.
3672 * df.h: Some reordering to remove forward references.
3673 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3674 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3675 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3676 (dataflow.flags): New field.
3677 (df.flag): Deleted field.
3678 (df_alloc_function): Added additional bitmap parameter.
3679 (df_dependent_problem_function): New type.
3680 (df_problem.changeable_flags): New field.
3681 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3682 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3683 (df_mw_hardreg): New struct.
3684 (DF_INSN_UID_MWS): New macro.
3685 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3686 parameter.
3687 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3688 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3689 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3690 (df_set_state): Removed function.
3691 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3692 * df-problems.c (df_chain_dump): Removed df parameter.
3693 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3694 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3695 parameter.
3696 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3697 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3698 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3699 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3700 DF_REF_MUST_CLOBBER cases.
3701 (df_ru_bb_local_compute_process_def,
3702 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3703 df_lr_bb_local_compute, df_ur_bb_local_compute,
3704 df_chain_create_bb): Made subreg aware.
3705 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3706 df_lr_bb_local_compute, df_lr_bb_local_compute,
3707 df_chain_create_bb): Cleanup to use proper macros.
3708 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3709 code to fixup bitvectors.
3710 (df_ri_alloc): Cleared lifetime.
3711 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3712 df_create_unused_note): New function.
3713 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3714 REG_DEAD and REG_UNUSED notes as well as register information.
3715 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3716 df_chains_dump): Fixed crash if problem was never run.
3717 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3718 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3719 df_ri_add_problem): Processes flags in uniform manner.
3720 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3721 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3722 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3723 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3724 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3725 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3726 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3727 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3728 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3729 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3730 * see.c (see_initialize_data): Ditto.
3731 * final.c (rest_of_clean_state) Added regstack_completed.
3732 * rtl.h (regstack_completed): Ditto.
3733 * reg-stack.c (regstack_completed): Ditto.
3735 2006-05-19 Mike Stump <mrs@apple.com>
3737 * c-tree.h (default_conversion): Remove.
3738 * c-common.h (default_conversion): Add.
3740 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3742 * tree-vrp.c (valid_value_p): New function.
3743 (adjust_range_with_scev): Fail if the value of bound is not
3744 simple.
3746 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3748 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3749 (mips_fallback_frame_state): Use syscall numbers to determine
3750 the appropriate li instruction for the current ABI. Only use
3751 __NR_sigreturn for o32.
3753 2006-05-19 Nicolas Setton <setton@adacore.com>
3755 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3756 * langhooks.c (lhd_dwarf_name): New function.
3757 * langhooks-def.h (lhd_dwarf_name): Declare.
3758 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3759 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3760 * ada/misc.c (gnat_dwarf_name): New function.
3761 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3763 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3765 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3766 libgcc2.h.
3767 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3768 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3769 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3770 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3771 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3772 determine the size of Wtype, etc.
3773 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3774 (swfloatfuncs): New variable.
3775 (dwfloatfuncs): Likewise.
3776 (lib2funcs): Remove floating-point conversion functions from
3777 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3778 the set of conversion routines needed. Allow entries to specify
3779 an object name, filename and word size. Update users accordingly.
3780 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3781 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3783 Revert:
3785 2006-02-08 Roger Sayle <roger@eyesopen.com>
3787 PR target/22209
3788 * config/fixtfdi.c: New libgcc source file.
3789 * config/fixunstfdi.c: New source file.
3790 * config/floatditf.c: New source file.
3791 * config/floatunditf.c: New souce file.
3792 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3793 files above instead of config/mips/_tilib.c.
3794 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3796 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3798 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3799 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3801 2006-05-18 Mike Stump <mrs@apple.com>
3803 Fix up vla, vm and [*] sematics.
3805 PR c/18740
3806 PR c/7948
3807 PR c/25802
3808 PR c/27673
3809 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3810 (c_vla_unspec_p): Add.
3811 (c_vla_type_p): Add.
3812 * c-decl.c (struct c_scope): Add had_vla_unspec.
3813 (build_array_declarator): Add support for [*].
3814 (grokdeclarator): Likewise.
3815 (grokparms): Likewise.
3816 (get_parm_info): Likewise.
3817 * c-objc-common.c (c_vla_unspec_p): Likewise.
3818 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3819 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3820 typeof when argument is a variably modified type not inside sizeof or alignof.
3821 (c_parser_direct_declarator_inner): Propagate errors.
3822 (c_parser_sizeof_expression): Add support for [*].
3823 (c_parser_parms_declarator): Initialize had_vla_unspec.
3824 (c_parser_parms_list_declarator): Likewise.
3825 * c-typeck.c (c_vla_type_p): Add.
3826 (composite_type): Add support for vla compositing.
3827 (comptypes_internal): Add support for vla compatibility.
3828 (c_expr_sizeof_expr): Evaluate vla arguments.
3829 * tree.c (variably_modified_type_p): Update comment for [*].
3831 2006-05-18 Michael Matz <matz@suse.de>
3833 PR target/27599
3834 * config.host: Make assignments to host_xmake_file cumulative.
3835 * config.host (*-darwin*): Test $host, not $target.
3837 2006-05-12 Stuart Hastings <stuart@apple.com>
3839 * config/i386/i386.opt (-mstackrealign): New flag.
3840 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3841 (ix86_handle_cconv_attribute): Emit error when
3842 force_align_arg_pointer attribute collides with too many regparms.
3843 (ix86_function_regparm): Limit regparms when used with
3844 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3845 Support stack-realigning prologue in non-main functions. Emit
3846 warning for nested functions under -mstackrealign, emit error for
3847 nested functions with force_align_arg_pointer attribute.
3848 * doc/extend.texi (force_align_arg_pointer): Document it.
3849 * doc/invoke.texi (-mstackrealign): Document it.
3851 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3853 PR rtl-optimization/27477
3854 * combine.c (try_combine): Don't split a parallel consisting
3855 of two sets into two individual sets if both sets reference
3856 cc0.
3858 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3860 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3861 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3863 * doc/options.texi (VarExists): Updated.
3865 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3867 * unwind-dw2.c: Add declarations for uw_update_context and
3868 uw_frame_state_for.
3869 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3870 detected, advance frame state and context once to skip over stub.
3872 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3874 PR middle-end/20256
3875 PR middle-end/26435
3876 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3877 Call rewrite_into_loop_closed_ssa only when something changed.
3878 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3879 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3880 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3881 Test for perfect_nest_p here. Fix formating.
3882 (replace_uses_equiv_to_x_with_y): Fix formating.
3883 (stmt_uses_op): Removed.
3884 (can_convert_to_perfect_nest): Removed loopivs parameter.
3885 Complete the test by checking the scalar dependences.
3886 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3887 Fix formating.
3889 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3891 PR bootstrap/22541
3892 From Dan Kegel <dank@kegel.com>:
3893 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3895 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3897 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3898 if the element type is variably modified without recursing.
3900 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3902 PR middle-end/27332
3903 * tree-loop-linear.c (try_interchange_loops): Test for
3904 no data dependences.
3906 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3908 PR tree-optimization/27548
3909 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3910 range of ssa names that appear on abnormal edges.
3911 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3912 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3914 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3916 PR middle-end/27620
3917 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3919 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3921 PR middle-end/27415
3922 * tree.h (OMP_PARALLEL_COMBINED): Define.
3923 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3924 (new_omp_context): Add is_combined_parallel argument.
3925 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3926 new_omp_context caller.
3927 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3928 Adjust gimplify_scan_omp_clauses callers.
3929 (omp_is_private): Issue errors if iteration variable is firstprivate
3930 or reduction in the current context.
3931 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3932 on combined parallel workshare constructs.
3934 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3936 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3937 (gcc-options.o): New rule.
3939 * optc-gen.awk: Protect variables for gcc-options.o with
3940 #ifdef GCC_DRIVER/#endif.
3942 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3944 Fix PR tree-optimization/27373
3945 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3946 (forward_propagate_addr_expr): Update call.
3948 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3950 * doc/options.texi: Move the Negative option.
3952 2006-05-16 Richard Guenther <rguenther@suse.de>
3954 PR tree-optimization/22303
3955 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3956 from STRING_CSTs.
3957 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3958 ccp_fold did not simplify the statement.
3960 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3962 PR driver/26885
3963 * Makefile.in (GCC_OBJS): New.
3964 (OBJS-common): Add opts-common.o.
3965 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3966 (cpp$(exeext)): Likewise.
3967 (gcc.o): Also depend on opts.h.
3968 (opts-common.o): New.
3970 * common.opt (gcoff): Add Negative(gdwarf-2).
3971 (gdwarf-2): Add Negative(gstabs).
3972 (gstabs): Add Negative(gstabs+).
3973 (gstabs+): Add Negative(gvms).
3974 (gvms): Add Negative(gxcoff).
3975 (gxcoff): Add Negative(gxcoff+).
3976 (gxcoff+): Add Negative(gcoff).
3977 * config/i386/i386.opt (m32): Add Negative(m64).
3978 (m64): Add Negative(m32).
3980 * doc/options.texi: Document the Negative option.
3982 * gcc.c: Include "opts.h".
3983 (main): Call prune_options after expandargv.
3985 * optc-gen.awk: Generate common declarations for all flag
3986 variables in options.c. Output the neg_index field.
3988 * opts.c (find_opt): Moved to ...
3989 * opts-common.c: Here. New file.
3991 * opts.h (cl_option): Add a neg_index field.
3992 (find_opt): New.
3993 (prune_options): Likewise.
3995 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3997 PR middle-end/27573
3998 * omp-low.c (expand_omp_parallel): Don't assert
3999 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4000 instead search for it.
4002 PR c/27499
4003 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4004 is signed.
4006 2006-05-16 Andreas Schwab <schwab@suse.de>
4008 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4009 defmac.
4011 2006-05-15 Roger Sayle <roger@eyesopen.com>
4013 PR target/26600
4014 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4015 integer constants other than zero are only legitimate on TARGET_64BIT.
4016 <CONST_VECTOR> Only zero vectors are legitimate.
4017 (ix86_cannot_force_const_mem): Integral and vector constants can
4018 always be put in the constant pool.
4020 2006-05-16 DJ Delorie <dj@redhat.com>
4022 * crtstuff.c (__dso_handle): Set section from
4023 TARGET_LBIGCC_SDATA_SECTION if defined.
4024 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4025 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4027 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4029 PR target/27599
4030 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4031 host_xmake_file.
4033 2006-05-16 Ben Elliston <bje@au.ibm.com>
4035 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4037 2006-05-15 Per Bothner <per@bothner.com>
4039 * tree.c: (last_annotated_node): Use source_locus typedef.
4040 This permits bootstrapping with --enable-mapped-location.
4042 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4044 PR tree-optimization/26830
4045 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4046 (info_for_ssa_name, current_info_for_ssa_name_age,
4047 blocks_to_update): New variables.
4048 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4049 (clear_ssa_name_info, initialize_flags_in_bb,
4050 mark_block_for_update): New functions.
4051 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4052 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4053 prepare_def_site_for): Use mark_block_for_update.
4054 (mark_def_interesting): Assert that the processed block is marked in
4055 blocks_to_update. Do not take blocks argument.
4056 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4057 argument.
4058 (rewrite_update_init_block, rewrite_update_stmt): Only process
4059 blocks with statements to rewrite.
4060 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4061 (update_ssa): Initialize and free blocks_to_update. Do not
4062 clear flags on statements. Do not use blocks bitmap.
4063 * tree.h (SSA_NAME_AUX): Removed.
4064 (struct tree_ssa_name): Removed aux field.
4065 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4067 2006-05-15 Richard Guenther <rguenther@suse.de>
4069 PR tree-optimization/27603
4070 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4071 Do computations in original type.
4073 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4075 * see.c: Code style changes such as redundant paranthesis,
4076 redundant intialization of local variables etc.
4077 (see_main): Declared now as static.
4078 * doc/invoke.texi: Update that -fsee is not enabled by
4079 default at -O3.
4081 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4083 * omp-low.c (check_omp_nesting_restrictions): New function.
4084 (scan_omp_1): Call it.
4086 PR middle-end/27416
4087 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4088 construct, return *VAR.
4090 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4092 PR rtl-optimization/27406
4093 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4094 edges.
4096 2006-05-14 Roger Sayle <roger@eyesopen.com>
4098 PR rtl-optimization/27538
4099 * combine.c (expand_compound_operation): Call gen_lowpart
4100 before calling simplify_shift_const.
4102 2006-05-14 Roger Sayle <roger@eyesopen.com>
4104 PR rtl-optimization/22563
4105 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4106 a fixed width bitfield, always force the intermediates into psuedos.
4108 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4110 PR 27501
4111 * mkconfig.sh: Use operator = instead of == for test.
4113 2006-05-13 Nick Clifton <nickc@redhat.com>
4115 * dwarf2out.c (dbx_reg_number): Check return value from
4116 LEAF_REG_REMAP and only use it if it is valid.
4117 (multiple_reg_loc_descriptor): Likewise.
4119 2006-05-13 Richard Guenther <rguenther@suse.de>
4121 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4122 host_xmake_file.
4124 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4126 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4127 information attached to non-INSNs such as NOTEs.
4128 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4130 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4132 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4133 On contraint.
4134 * config/s390/s390.md: Adjust comment describing On constraint.
4136 2006-05-11 Jan Hubicka <jh@suse.cz>
4138 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4139 to be output at -O0.
4141 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4143 PR middle-end/27384
4144 * fold-const.c (size_binop): Move sanity check for arguments to
4145 the beginning of the function.
4147 PR middle-end/27488
4148 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4149 expression.
4151 2006-05-11 Richard Guenther <rguenther@suse.de>
4153 PR middle-end/27529
4154 * fold-const.c (fold_unary): Handle intermediate conversion
4155 to a pointer type like intermediate conversion to an integer
4156 type in folding of (T1)(T2)var to var.
4157 Match the code to the comment in the final conversion for
4158 (T1)(T2)var to (T1)var regarding to type precision. Rather
4159 than disallow T1 being of pointer type, assert that both T1
4160 and var are of pointer type or not. Make sure not to fall
4161 over the frontends lazyness wrt array to pointer decay though.
4163 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4165 * arm.c (arm_struct_value_rtx): Delete.
4166 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4167 (arm_init_cumulative_args): Always initialize nregs to zero.
4169 2006-05-10 Richard Guenther <rguenther@suse.de>
4171 PR tree-optimization/27532
4172 * tree-object-size.c (plus_expr_object_size): Fix typo.
4174 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4176 PR target/24949
4177 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4178 ashrdi_const, ashrdi3): Use a scratch register.
4180 2006-05-10 Richard Guenther <rguenther@suse.de>
4182 PR tree-optimization/27302
4183 * fold-const.c (operand_equal_p): For two comparisons,
4184 try comparison of one comparison code swapped if that yields
4185 the same code.
4187 2006-05-10 Ben Elliston <bje@au.ibm.com>
4189 * tree-pretty-print.c (pretty_print_string): No need to handle
4190 '\0' as a special character.
4192 * tree.h: Include "hashtab.h".
4193 (iterative_hash_expr): Use hashval_t in its prototype.
4194 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4196 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4198 PR bootstrap/26872
4199 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4200 (hppa*64*-*-hpux11*): Ditto.
4201 (hppa[12]*-*-hpux11*): Ditto.
4203 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4205 PR target/26545
4206 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4208 2006-05-09 Michael Matz <matz@suse.de>
4210 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4211 host_extra_gcc_objs and host_xmake_file.
4212 (<*-*-linux*>): Don't overwrite host_xmake_file.
4213 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4214 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4215 (host_detect_local_cpu): Declare.
4216 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4217 * config/i386/i386.c (override_options): Handle -mtune=native
4218 as -mtune=generic.
4219 * config/i386/x-i386: New file.
4220 * config/i386/driver-i386.c: New file.
4221 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4222 cpu-type "native".
4224 2006-05-09 Dirk Mueller <dmueller@suse.de>
4225 Richard Guenther <rguenther@suse.de>
4227 PR middle-end/27498
4228 * fold-const.c (fold_read_from_constant_string): Relax check
4229 for matching types to matching modes.
4231 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4233 PR rtl-optimization/27335
4234 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4235 loops.
4237 2006-05-08 Chao-ying Fu <fu@mips.com>
4238 Richard Sandiford <richard@codesourcery.com>
4240 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4241 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4242 * config/mips/mips.md (UNSPEC_SCC): New constant.
4243 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4244 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4245 (mips_emit_compare): Use it.
4246 (mips_expand_vcondv2sf): New function.
4248 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4250 Fix PR tree-optimization/27093
4251 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4252 renaming when they become not-used_alone.
4254 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4256 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4257 relocation and relocation stubs.
4259 2006-05-08 Eric Christopher <echristo@apple.com>
4261 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4262 section for ppc.
4264 2006-05-08 Jan Hubicka <jh@suse.cz>
4266 PR middle-end/24561
4267 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4268 unused static functions are needed.
4270 2006-05-08 Roger Sayle <roger@eyesopen.com>
4272 PR target/27158
4273 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4274 of a reg_equiv_constant if the result is a legitimate constant.
4276 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4278 PR target/27277
4279 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4280 standard 80387 constants, raise the cost to prevent
4281 compress_float_constant() to generate load from memory.
4283 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4285 * config/arm/constraints.md (c): Fix a typo.
4287 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4288 typos.
4290 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4292 PR target/24879
4293 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4294 inline function.
4295 (_mm_mwait): Likewise.
4297 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4298 "mwait".
4299 (sse3_monitor): Make it 32bit only.
4300 (sse3_monitor64): New. 64bit monitor.
4302 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4304 PR target/27421
4305 * config/i386/i386.c (classify_argument): Skip fields with invalid
4306 types.
4308 2006-05-07 Richard Guenther <rguenther@suse.de>
4310 PR tree-optimization/27409
4311 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4312 Do not try to find zero-sized subvars.
4314 2006-05-07 Richard Guenther <rguenther@suse.de>
4316 PR tree-optimization/27136
4317 * tree-ssa-loop-niter.c (get_val_for): Correct function
4318 comment, assert requirements.
4319 (loop_niter_by_eval): Stop processing if the iterated
4320 value did not simplify.
4322 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4324 * opts.c (flag_see): remove its setting at -O3.
4326 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4328 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4329 * arm/constraints.md: New file.
4330 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4331 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4332 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4333 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4334 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4335 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4336 * arm.md: Include constraints.md.
4337 (thumb_movsi_insn): Use satisfies_constraint_J.
4338 (movhi, movqi): Use satisfies_constraint_I.
4340 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4342 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4343 for atmeg a645 device.
4345 2006-05-06 Richard Guenther <rguenther@suse.de>
4347 PR tree-optimization/27151
4348 * tree-vect-transform.c (vectorizable_condition): Punt on
4349 values that have a different type than the condition.
4351 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4353 PR/21391
4354 * c-parser.c (c_parser_cast_expression): Only insert casts into
4355 hash table if pointer.
4356 * function.c (used_types_insert_helper): Rename from
4357 used_types_insert.
4358 (used_types_insert): Call used_types_insert_helper.
4359 * function.h (used_types_insert): Accept only one argument.
4361 2006-05-05 David Edelsohn <edesohn@gnu.org>
4363 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4364 scratch with output modifier.
4366 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4368 PR target/26481
4369 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4370 with output modifier.
4372 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4374 PR target/26765
4375 * config/mips/mips.c (mips_symbolic_address_p): Return true
4376 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4377 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4379 2006-05-04 Richard Guenther <rguenther@suse.de>
4381 PR tree-optimization/14287
4382 PR tree-optimization/14844
4383 PR tree-optimization/19792
4384 PR tree-optimization/21608
4385 PR tree-optimization/27090
4386 * tree-ssa-pre.c (try_combine_conversion): New function.
4387 (compute_avail): After constructing the value-handle
4388 expression, use try_combine_conversion to combine NOP_EXPRs
4389 with previous value-handle expressions and use the result if it
4390 is available.
4392 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4394 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4396 2006-05-04 Jan Hubicka <jh@suse.cz>
4398 PR middle-end/25962
4399 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4401 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4403 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4404 that this only matches CONST_INTs. All users changed to VOIDmode
4405 operands.
4407 * config/bfin/bfin.c: Include "optabs.h".
4408 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4409 to do more work.
4410 (enum bfin_builtins): Add a number of fractional and vector builtins.
4411 (bfin_init_builtins): Likewise.
4412 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4413 (safe_vector_operand, bfin_expand_binop_builtin,
4414 bfin_expand_unop_builtin): New functions.
4415 (bfin_expand_builtin): Handle the new builtins.
4416 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4417 __ADSPBLACKFIN__.
4419 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4421 * see.c: New file.
4422 * Makefile.in (OBJS-common): Add see.o.
4423 (see.o): Add dependencies.
4424 * common.opt (fsee): New flag for the see optimization was added.
4425 * opts.c (flag_see): Initialized.
4426 * passes.c (init_optimization_passes, pass_see): New pass.
4427 * rtl.h (see_main): Declaration as extern.
4428 * timevar.def (TV_SEE): New.
4429 * tree-pass.h (pass_see): Declaration as extern.
4430 * invoke.texi (-fsee): Document.
4431 * recog.c (validate_simplify_insn): New function.
4432 * recog.h (validate_simplify_insn): Declaration as extern.
4433 * df-problems.c (df_chain_dump): Check for NULL.
4435 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4436 Daniel Berlin <dberlin@dberlin.org>
4438 * cfgrtl.c (insert_insn_bb_end_new): New function.
4439 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4441 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4443 * df.h (struct web_entry): Moved from web.c.
4444 (union_defs): Declaration as extern.
4445 (unionfind_root): Likewise.
4446 (unionfind_union): Likewise.
4447 * web.c (struct web_entry): Moved to df.h.
4448 (unionfind_root): Remove static declaration.
4449 (unionfind_union): Likewise.
4450 (union_defs): Likewise and generalize to use callback function.
4451 (web_main): Update arguments for union_defs function call.
4453 2006-05-04 Richard Guenther <rguenther@suse.de>
4455 PR tree-optimization/26447
4456 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4457 produce SSA_NAME copies before the store stmt to avoid
4458 breaking exception handling.
4460 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4462 PR middle-end/27388
4463 * gimplify.c (omp_is_private): If var is shared in some outer context,
4464 return false instead of true. Stop searching on parallel context
4465 boundary.
4467 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4469 PR java/8260
4470 * coverage.c: Use get_gcov_unsigned_t() instead of
4471 unsigned_type_node all over.
4473 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4475 PR tree-optimization/27381
4476 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4477 maintain the same immediate_use links.
4478 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4479 node rather than segfaulting.
4481 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4483 PR fortran/27395
4484 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4485 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4486 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4488 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4490 Fix PR tree-optimization/26626
4491 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4492 always.
4493 * tree-ssa-operands.c (access_can_touch_variable): Allow
4494 typecasting through union pointers.
4496 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4498 PR c++/26943
4499 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4500 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4501 to find if var will be a global variable even in the nested context.
4502 (omp_copy_decl): Only check for global variable at the end, it might
4503 be overridden in outer contexts.
4504 (scan_sharing_clauses): For global variables don't create a field.
4505 (lower_rec_input_clauses): Do nothing for global shared variables.
4506 Emit a barrier at the end of ILIST if there were any decls in both
4507 firstprivate and lastprivate clauses.
4508 (lower_send_clauses): Do nothing for global variables except for
4509 COPYIN.
4511 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4513 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4514 of the correct signedness is returned.
4516 2006-05-02 Jeff Law <law@redhat.com>
4518 PR tree-optimization/27364
4519 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4520 multiply expressions.
4522 2006-05-02 Tom Tromey <tromey@redhat.com>
4524 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4526 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4528 PR target/27387
4529 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4530 -mthumb -fPIC are used.
4532 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4533 Joshua Kinard <kumba@gentoo.org>
4535 PR target/25871
4536 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4537 with 64-bit pointers.
4539 2006-05-02 Paul Brook <paul@codesourcery.com>
4541 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4542 and pool overlap.
4543 (create_fix_barrier): Check that a suitable barrier location is
4544 found.
4545 (arm_reorg): Include ftmp->address in allowable range of addresses.
4547 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4549 PR ada/27366
4550 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4551 on Cygwin.
4553 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4555 PR middle-end/27337
4556 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4557 around RESULT_DECL for result passed by reference.
4558 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4559 * omp-low.c (use_pointer_for_field): Don't look at
4560 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4561 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4562 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4563 time or var for passing by reference for
4564 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4565 TREE_ADDRESSABLE variables when passing by reference.
4567 * omp-low.c (dump_omp_region): Fix output formatting.
4569 PR middle-end/27328
4570 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4571 (expand_omp_parallel): Likewise.
4572 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4574 PR middle-end/27325
4575 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4576 on statement list containing also constructors and destructors.
4577 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4579 PR middle-end/27310
4580 * except.c (duplicate_eh_regions): Fix clearing of
4581 cfun->eh->region_array entries.
4583 2006-05-01 DJ Delorie <dj@redhat.com>
4585 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4586 build!=host.
4587 (gcc_cv_objdump): Likewise.
4588 * configure: Regenerated.
4590 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4592 PR target/27374
4593 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4594 templates for case 3 and 4.
4596 2006-05-01 DJ Delorie <dj@redhat.com>
4598 * vec.c: Include bconfig.h when appropriate.
4599 * Makefile.in (build/vec.o): Adjust dependencies.
4600 * mkconfig.sh: Make sure config.h isn't used for build machine
4601 compiles.
4603 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4605 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4606 variables.
4607 (mark_phi_for_rewrite): New function.
4608 (insert_phi_nodes_for, mark_use_interesting): Call
4609 mark_phi_for_rewrite.
4610 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4611 (update_ssa): Initialize and free phis_to_rewrite.
4613 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4615 PR rtl-optimization/27291
4616 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4617 folded to a constant.
4619 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4621 PR tree-optimization/27283
4622 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4623 not whole # of iteration descriptions.
4624 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4625 uses abnormal ssa name.
4626 (niter_for_single_dom_exit): Ditto.
4627 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4628 return just the number of iterations.
4630 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4632 PR tree-optimization/27144
4633 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4634 (record_estimate): Only record constant upper bound.
4635 (infer_loop_bounds_from_undefined): Call
4636 compute_estimated_nb_iterations just once.
4637 (proved_non_wrapping_p): Renamed to ...
4638 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4639 (convert_step_widening, scev_probably_wraps_p): Call
4640 n_of_executions_at_most instead of proved_non_wrapping_p.
4641 (substitute_in_loop_info): Do not replace values in bounds.
4642 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4643 comments.
4645 2006-05-01 Richard Henderson <rth@redhat.com>
4647 PR c/27358
4648 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4649 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4650 CPP_PRAGMA.
4652 2006-05-01 Roger Sayle <roger@eyesopen.com>
4654 * c-typeck.c (parser_build_binary_op): Don't call the function
4655 unsigned_conversion_warning to spot operand/result type overflow.
4656 (build_binary_op): Instead, call convert_and_check instead of
4657 convert to report the problem when the operands are promoted.
4658 * c-common.c (unsigned_conversion_warning): Make static.
4659 * c-common.h (unsigned_conversion_warning): Delete prototype.
4661 2006-05-01 Richard Guenther <rguenther@suse.de>
4663 PR tree-optimization/26726
4664 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4665 problem ...
4666 (find_interesting_uses_address): ... we work around here
4667 by folding INDIRECT_REFs in the substituted base.
4669 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4671 * omp-low.c (dump_omp_region): Add newlines.
4673 2006-04-30 Roger Sayle <roger@eyesopen.com>
4675 * common.opt (Woverflow): New command line option.
4676 * c-common.c (constant_expression_warning): Check warn_overflow.
4677 (overflow_waring): Pass OPT_Woverflow to warning.
4678 (unsigned_conversion_warning): Likewise.
4679 (convert_and_check): Likewise.
4680 * doc/invoke.texi: Document new command line option.
4682 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4684 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4685 TARGET_NO_FP_IN_TOC for section anchors.
4686 (optimization_options): Enable section anchors for all
4687 non-"Objective" languages.
4689 2006-04-28 Eric Christopher <echristo@apple.com>
4691 * config/darwin-c.c (darwin_ms_struct): Move this
4692 (darwin_set_default_type_attributes): and this...
4693 * config/darwin.c: ... here.
4694 * config/darwin.h (darwin_ms_struct): Declare.
4696 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4698 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4700 2006-04-28 Roger Sayle <roger@eyesopen.com>
4702 PR c/25309
4703 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4704 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4705 an unsigned HOST_WIDE_INT.
4706 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4707 array index.
4708 (really_start_incremental_init): No need to call convert because
4709 bitsize_zero_node is already of type bitsizetype.
4710 (push_init_level): Extract the value of constructor_index as an
4711 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4712 (process_init_element): Likewise.
4714 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4716 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4717 value before passing to make_relative_prefix.
4719 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4721 PR middle-end/27260
4722 * builtins.c (expand_builtin_memset): Expand val in original mode.
4724 2006-04-27 Eric Christopher <echristo@apple.com>
4726 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4727 with #ifndef/#endif.
4728 * config/darwin-c.c (darwin_ms_struct): New.
4729 (darwin_pragma_ms_struct): Ditto.
4730 (darwin_set_default_type_attributes): Ditto.
4731 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4732 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4733 Register ms_struct pragma.
4734 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4735 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4736 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4737 darwin_set_default_type_attributes if TARGET_MACHO.
4739 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4741 PR tree-optimization/26854
4742 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4743 * doc/tree-ssa.texi: Update immuse iterator documentation.
4744 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4745 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4746 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4747 first_safe_imm_use, next_safe_imm_use): Remove.
4748 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4749 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4750 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4751 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4752 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4753 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4754 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4755 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4756 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4757 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4758 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4759 (perfect_nestify): Use new iterator.
4760 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4761 iterator.
4762 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4763 (next_imm_name): New field in struct immediate_use_iterator_d.
4764 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4765 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4766 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4767 * tree-cfg.c (replace_uses_by): Use new iterator.
4768 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4769 * tree-ssa-operands.c (correct_use_link): Remove.
4770 (finalize_ssa_use_ops): No longer call correct_use_link.
4772 2006-04-27 Stuart Hastings <stuart@apple.com>
4774 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4775 * config/t-darwin (crt3.o): Use it.
4776 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4777 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4778 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4779 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4780 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4781 support.
4783 2006-04-27 Roger Sayle <roger@eyesopen.com>
4785 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4786 size, force the intermediate into a new pseudo rather instead of
4787 performing both a bitwise AND and a bitwise IOR in memory.
4789 2006-04-27 Richard Guenther <rguenther@suse.de>
4791 PR rtl-optimization/26685
4792 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4793 this one "max-flow-memory-locations".
4795 2006-04-27 Richard Guenther <rguenther@suse.de>
4797 PR tree-optimization/25148
4798 * tree-vrp.c (compare_values): Remove code dealing with
4799 comparisons against type min/max value. Honour overflow
4800 and negative constants in code dealing with comparisons
4801 of plus and minus expressions.
4802 (value_inside_range): Use fold_binary with LE_EXPR and
4803 GE_EXPR rather than compare_values.
4805 2006-04-27 Dirk Mueller <dmueller@suse.de>
4807 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4808 prototype for SSE.
4810 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4812 * basic-block.h (safe_insert_insn_on_edge): Removed.
4813 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4815 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4816 Paolo Bonzini <bonzini@gnu.org>
4818 PR middle-end/27282
4819 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4820 (simplify_and_const_int): Same.
4822 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4824 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4826 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4828 PR c/26171
4829 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4830 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4831 cgraph_global_info_ready.
4833 PR middle-end/26913
4834 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4836 PR c/25996
4837 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4838 either decl or init is error_mark_node.
4840 PR middle-end/25989
4841 * tree-flow.h (struct omp_region): Add sched_kind.
4842 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4843 instead of extracting omp for data.
4844 (expand_omp_for): Save extracted sched_kind.
4846 2006-04-25 Roger Sayle <roger@eyesopen.com>
4848 * expmed.c (store_bit_field): Also check whether the bitsize is
4849 valid for the machine's "insv" instruction before moving the
4850 target into a pseudo for use with the insv.
4851 * config/i386/predicates.md (const8_operand): New predicate.
4852 * config/i386/i386.md (extv, extzv, insv): Use the new
4853 const8_operand predicate where appropriate.
4855 2006-04-25 DJ Delorie <dj@redhat.com>
4857 * doc/install.texi (Specific): Clarify that this is not a list of
4858 supported hosts or targets.
4860 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4862 PR rtl-optimization/26725
4863 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4864 block's BB_DIRTY flag.
4866 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4868 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4869 are no branches.
4871 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4872 to print an integer.
4874 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4876 * varasm.c (align_variable): New function.
4877 (get_block_for_decl): Apply align_variable to DECL before
4878 calculating section information.
4879 (assemble_variable): Split out alignment computation.
4881 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4883 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4884 machines.
4886 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4888 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4889 MODE_PARTIAL_INT mode.
4890 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4891 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4892 for CONST_INTs.
4893 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4894 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4895 V2PDImode.
4896 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4897 New predicates.
4898 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4899 New constants.
4900 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4901 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4902 MACFLAG_IH): Likewise.
4903 (movstricthi_1): Renamed from "*movstricthi".
4904 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4905 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4906 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4907 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4908 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4909 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4910 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4911 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4912 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4913 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4914 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4915 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4916 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4917 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4918 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4920 * doc/rtl.texi (ss_ashift): Improve wording.
4922 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4924 * dwarf2out.c (verify_marks_clear): New.
4925 (prune_unused_types): Call verify_marks_clear initially, not
4926 prune_unmark_dies.
4928 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4930 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4931 * doc/rtl.texi: Document them.
4932 * simplify-rtx.c (simplify_unary_operation,
4933 simplify_binary_operation_1): Don't abort when we see them.
4935 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4937 Revert:
4938 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4939 * configure.ac: Completely disregard languages that are not
4940 enabled.
4941 * configure: Regenerated.
4943 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4944 Richard Guenther <rguenther@suse.de>
4946 PR tree-optimization/27236
4947 * tree-inline.c (copy_body_r): Make sure to copy
4948 TREE_THIS_VOLATILE flag.
4950 2006-04-24 Richard Guenther <rguenther@suse.de>
4952 PR middle-end/26869
4953 * tree-complex.c (update_parameter_components): Don't handle
4954 unused parameters which have no default def.
4956 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4957 Richard Guenther <rguenther@suse.de>
4959 PR tree-optimization/27218
4960 * tree-inline.c (expand_call_inline): Strip useless type
4961 conversions for the return slot address.
4963 2006-04-24 Richard Guenther <rguenther@suse.de>
4965 * cfgloop.h (struct loops): Remove unused field array. Reorder
4966 state after num.
4967 (LOOP_PREFETCH): Remove.
4969 2006-04-24 Richard Guenther <rguenther@suse.de>
4971 PR tree-optimization/22525
4972 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4973 variable, adjust types of generated expressions.
4975 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4977 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4978 (tree-vect-patterns.o): Likewise.
4979 (jump.o): Likewise.
4980 (cselib.o): Likewise.
4981 (loop-doloop.o): Likewise.
4982 (regclass.o): Likewise.
4983 (reload1.o): Likewise.
4984 (explow.o): Replace target.h with $(TARGET_H).
4985 (ipa-prop.o): Likewise.
4986 (ipa-cp.o): Likewise.
4987 (ipa-inline.o): Likewise.
4988 (reorg.o): Likewise.
4989 (reg-stack.o): Likewise.
4991 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4993 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4995 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4997 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4999 * configure.ac: Completely disregard languages that are not
5000 enabled.
5001 * configure: Regenerated.
5003 PR c++/26534
5004 * c-common.h (c_build_bitfield_integer_type): Declare.
5005 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5006 * c-common.c (c_build_bitfield_integer_type): ... here.
5008 2006-04-23 Roger Sayle <roger@eyesopen.com>
5010 PR target/21283
5011 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5012 a SImode SUBREG of a floating point register after no_new_pseudos.
5014 2006-04-23 Roger Sayle <roger@eyesopen.com>
5016 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5017 identify potentially eliminable registers to additionally catch
5018 VIRTUAL_INCOMING_ARGS_REGNUM.
5019 (addsi3): Update the conditions on when to use addsi_small_int.
5021 2006-04-23 Roger Sayle <roger@eyesopen.com>
5023 PR target/16641
5024 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5025 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5026 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5028 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5030 * fold-const.c (range_predecessor): Use operand_equal_p
5031 as the predicate for equality.
5032 (range_successor): Likewise.
5034 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5036 Revert:
5037 * config/soft-fp/op-common.h: Fix a typo.
5039 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5041 PR libmudflap/26864
5042 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5043 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5045 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5047 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5048 Fix comment typos.
5049 * doc/tm.texi: Fix a typo.
5051 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5053 * dwarf2out.c (struct die_struct): Document that die_sib makes
5054 a circular linked list.
5055 (FOR_EACH_CHILD): New.
5056 (reverse_die_lists): Delete.
5057 (reverse_all_dies): Delete.
5058 (add_dwarf_attr): Correct documentation.
5059 (remove_child_with_prev): New.
5060 (remove_child_TAG): Update for change to die_struct, use
5061 remove_child_with_prev.
5062 (add_child_die): Update for change to die_struct.
5063 (splice_child_die): Use remove_child_with_prev and add_child_die.
5064 (print_die): Use FOR_EACH_CHILD.
5065 (die_checksum): Likewise.
5066 (assign_symbol_names): Likewise.
5067 (output_location_lists): Likewise.
5068 (build_abbrev_table): Likewise.
5069 (calc_die_sizes): Likewise.
5070 (mark_dies): Likewise.
5071 (unmark_dies): Likewise.
5072 (unmark_all_dies): Likewise.
5073 (output_die): Likewise.
5074 (prune_unused_types_mark): Likewise.
5075 (prune_unused_types_walk): Likewise.
5076 (same_die_p): Update for change to die_struct.
5077 (break_out_includes): Likewise.
5078 (prune_unused_types_prune): Likewise.
5079 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5080 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5081 it's already clear.
5082 (dwarf2out_finish): Don't call reverse_all_dies.
5084 2006-04-21 Eric Christopher <echristo@apple.com>
5086 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5087 in comments and function names.
5089 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5091 PR c/25875
5092 * c-typeck.c (digest_init): Robustify.
5094 * c-typeck.c (pop_init_level): Simplify.
5096 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5098 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5100 2006-04-21 Paul Brook <paul@codesourcery.com>
5102 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5103 hardware floating point.
5105 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5107 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5108 NON_FLOAT_REGS.
5110 2006-04-21 Nick Clifton <nickc@redhat.com>
5112 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5113 OPT_EXTRA_PARTS.
5115 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5117 PR target/27230
5118 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5119 C++ lang type in traceback table for Objective-C++.
5121 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5123 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5125 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5127 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5129 PR mudflap/26789
5130 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5131 were errors. Remove check for erroneous objects.
5133 2006-04-20 Jeff Law <law@redhat.com>
5135 PR tree-optimization/26854
5136 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5137 checking for zero or one use.
5138 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5139 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5140 * tree-ssa-reassoc.c (negate_value): Similarly.
5141 (reassociate_bb): Similarly.
5143 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5145 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5146 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5147 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5149 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5151 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5152 fp regs if the last fp arg doesn't fit in regs.
5154 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5156 PR target/27182
5157 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5158 that the last insn has the REG_INC note.
5160 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5161 Nathan Sidwell <nathan@codesourcery.com>
5163 PR c/26774
5164 * stor-layout.c (update_alignment_for_field): Do not align
5165 ERROR_MARK nodes.
5166 (place_union_field): Place union field at the start of the union.
5167 (place_field): Move ERROR_MARK check later, and use the current
5168 allocation position to maintain monotonicity.
5170 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5172 * dominance.c: Include timevar.h.
5173 (calculate_dominance_info): Use TV_DOMINANCE.
5174 * timevar.def (TV_DOMINANCE): New timevar.
5175 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5177 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5179 PR rtl-optimization/14261
5180 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5181 move would be an INSV insn.
5182 (noce_process_if_block): Don't optimize if the destination is a
5183 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5185 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5187 * config/s390/s390.md: Add comments with the instructions emitted
5188 by an insn pattern if macros are used.
5190 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5192 PR rtl-optimization/26026
5193 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5194 is a known power of two shifted left a variable amount.
5196 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5198 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5199 to hash table twice when the debug_str section has SECTION_MERGE.
5201 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5203 * config/soft-fp: New directory. From glibc.
5204 * config/soft-fp/t-softfp: New.
5205 * config/soft-fp/README: New.
5206 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5207 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5208 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5209 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5210 * config.gcc: Use rs6000/t-fprules-fpbit or
5211 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5212 rs6000/t-fprules.
5213 * config/rs6000/sfp-machine.h: New. Based on glibc.
5214 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5215 New.
5216 * config/rs6000/t-fprules: Remove fp-bit rules.
5217 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5218 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5219 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5220 (softfp_wrap_start, softfp_wrap_end): New.
5222 2006-04-18 DJ Delorie <dj@redhat.com>
5224 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5226 2006-04-18 Devang Patel <dpatel@apple.com>
5228 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5230 2006-04-18 Nick Clifton <nickc@redhat.com>
5232 * config/sh/t-symbian: Add rule to build sh-c.o
5233 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5234 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5235 (sh_symbian_encode_section_info): Likewise.
5237 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5239 * builtins.c (expand_builtin_strcmp): Cover label definition of
5240 do_libcall with HAVE_cmpstrnsi.
5242 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5244 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5245 instead of VARRAY.
5246 * function.h (temp_slot_p): New.
5247 (function): Change the type of x_used_temp_slots to
5248 VEC(temp_slot_p,gc) *.
5250 2006-04-18 Nick Clifton <nickc@redhat.com>
5252 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5253 flag_strength_reduce.
5255 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5257 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5259 PR target/27117
5261 Partial revert of revision 112637
5262 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5263 Dale Johannesen <dalej@apple.com>
5265 PR target/19653
5266 * regclass.c (struct reg_pref): Update documentation.
5267 (regclass): Set prefclass to NO_REGS if memory is the best option.
5268 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5270 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5272 PR tree-optimization/26821
5273 * tree-ssa-math-opts.c (get_constant_one): New.
5274 (insert_reciprocals): Use it.
5276 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5278 * dwarf2out.c (free_AT): Delete.
5279 (remove_AT): Update string ref counts.
5280 (remove_child_TAG): Don't call free_die.
5281 (free_die): Delete.
5282 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5283 or DW_TAG_GNU_EINCL.
5284 (prune_unused_types_walk_attribs): Reset string refcounts.
5285 (prune_unused_types_update_strings): New.
5286 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5287 call free_die. Do call prune_unused_types_update_strings.
5288 (prune_unused_types): Empty debug_str_hash.
5290 2006-04-17 Roger Sayle <roger@eyesopen.com>
5292 * expr.c (expand_assignment): Optimize away no-op moves where the
5293 source and destination are equal and have no side-effects.
5295 2006-04-17 Richard Guenther <rguenther@suse.de>
5297 PR target/26826
5298 * reload.c (push_reload): Guard calls to get_secondary_mem
5299 for memory subregs.
5301 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5303 * alias.c (reg_base_value, old_reg_base_value): Change the
5304 type to VEC(rtx,gc) *.
5305 (REG_BASE_VALUE, find_base_value, record_set,
5306 init_alias_analysis): Use VEC instead of VARRAY.
5308 * alias.c (alias_sets): Change the type to
5309 VEC(alias_set_entry,gc) *.
5310 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5311 VEC instead of VARRAY.
5312 (last_alias_set): Remove.
5314 * cgraph.h (cgraph_edge_p): New.
5315 Update the prototype of cgraph_function_versioning.
5316 * cgraphunit.c (cgraph_copy_node_for_versioning,
5317 cgraph_function_versioning): Use VEC instead of VARRAY.
5318 * ipa-cp.c (ipcp_insert_stage): Likewise.
5320 2006-04-16 Roger Sayle <roger@eyesopen.com>
5322 PR target/26961
5323 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5324 "A op B" or "A op C", we may need to convert A to the type of B and C.
5326 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5328 * target.h (struct gcc_target): Add mode_rep_extended.
5329 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5330 (init_num_sign_bit_copies_in_rep): Initialize it using
5331 mode_rep_extended.
5332 (truncate_to_mode): Use it.
5333 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5334 * targhooks.h (default_mode_rep_extended): Declare it.
5335 * targhooks.c (default_mode_rep_extended): Define it.
5336 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5337 default_mode_rep_extended.
5338 (TARGET_INITIALIZER): Include it.
5339 * doc/tm.texi (Misc): Document it.
5340 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5341 (mips_truncated_to_mode): New function.
5343 2006-04-16 Roger Sayle <roger@eyesopen.com>
5345 PR middle-end/25474
5346 * expr.c (compress_float_constant): Copy the narrow constant into
5347 a new pseudo before extending it to its final width.
5349 2006-04-16 Roger Sayle <roger@eyesopen.com>
5350 Andrew Pinski <pinskia@gcc.gnu.org>
5351 Dale Johannesen <dalej@apple.com>
5353 PR target/24076
5354 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5355 special case code to implement V8HImode and V16QImode with SSE2.
5357 2006-04-15 Roger Sayle <roger@eyesopen.com>
5359 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5360 trees are constructed with a suitable tree type.
5362 2006-04-15 Roger Sayle <roger@eyesopen.com>
5364 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5365 (integer_onep): Likewise.
5366 (integer_all_onesp): Likewise.
5367 (integer_pow2p): Likewise.
5368 (integer_nonzerop): Likewise.
5369 (real_zerop): Likewise.
5370 (real_onep): Likewise.
5371 (real_twop): Likewise.
5372 (real_minus_onep): Likewise.
5373 (int_size_in_bytes): Likewise.
5374 (host_integerp): Likewise.
5376 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5378 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5379 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5380 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5382 * tree-ssa-structalias.h (alias_info): Remove num_references.
5384 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5386 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5387 (output_bvb patterns): Likewise.
5388 * pa.c (output_bb): Use 'bb' insn for long branch case.
5389 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5390 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5391 1. Correct length operand for alternatives 1 and 2.
5392 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5393 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5395 2006-04-14 Roger Sayle <roger@eyesopen.com>
5397 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5398 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5399 were accidentally reverted by r112959.
5401 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5403 PR middle-end/26823
5404 * except.h (eh_region_outermost): New prototype.
5405 * except.c (eh_region_outermost): New function.
5406 * tree-cfg.c (find_outermost_region_in_block): Use it.
5408 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5410 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5411 of VARRAY.
5412 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5413 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5414 (init_reload, reload): Use VEC instead of VARRAY.
5415 * reload.h: Update the prototype for
5416 reg_equiv_memory_loc_varray.
5418 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5419 Eric Botcazou <ebotcazou@libertysurf.fr>
5421 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5422 register save area.
5424 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5426 PR middle-end/27134
5427 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5428 to expand fallback builtin function call.
5430 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5432 PR middle-end/27095
5433 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5434 and emit libcall here in case the builtin fails.
5435 (expand_builtin_strcmp): Always emit the libcall here on failure.
5437 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5439 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5440 * flow.c (reg_n_info): Change the type to
5441 VEC(reg_info_p,heap) *.
5442 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5443 instead of VARRAY.
5444 * regs.h (reg_info_p): New.
5445 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5446 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5447 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5448 instead of VARRAY.
5450 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5452 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5453 defaulting to 100.
5454 * params.h (MAX_SCHED_READY_INSNS): New macro.
5455 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5456 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5457 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5458 the ready list for 1 cycle during the first scheduling pass.
5459 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5461 2006-04-13 Richard Henderson <rth@redhat.com>
5463 PR libgomp/26651
5464 * gimple-low.c (lower_omp_directive): Remove dead code.
5465 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5466 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5467 * omp-low.c (struct omp_region): Move to tree-flow.h.
5468 (root_omp_region): Export.
5469 (omp_regions, lookup_omp_region): Remove.
5470 (determine_parallel_type): Update for struct omp_region changes.
5471 (dump_omp_region): Dump regions with block numbers.
5472 (new_omp_region): Take type and block instead of stmt; malloc
5473 instead of ggc.
5474 (free_omp_region_1, free_omp_regions): New.
5475 (expand_parallel_call): Take entry_stmt as argument; update for
5476 changes to omp_region.
5477 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5478 (remove_exit_barriers): New.
5479 (expand_omp_parallel): Update for struct omp_region changes.
5480 (expand_omp_synch): Likewise.
5481 (expand_omp): Likewise.
5482 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5483 (expand_omp_for_static_chunk): Likewise.
5484 (expand_omp_for): Likewise.
5485 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5486 (expand_omp_sections): Similarly, with GOMP_sections_end.
5487 (expand_omp_single): New.
5488 (build_omp_regions_1): Update for OMP_CONTINUE.
5489 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5490 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5491 OMP_SECTIONS_SECTIONS.
5492 (lower_omp_single_simple): Don't emit barrier here.
5493 (lower_omp_single_copy): Likewise.
5494 (lower_omp_single): Fix bindings, and lower to straightline now.
5495 (lower_omp_master, lower_omp_ordered): Likewise.
5496 (lower_omp_critical): Likewise.
5497 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5498 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5499 omp edges, free it afterward.
5500 (make_omp_sections_edges): Remove.
5501 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5502 (move_stmt_r): Handle OMP_CONTINUE.
5503 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5504 statement pointers to basic blocks. Add type member.
5505 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5506 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5507 * tree-inline.c (estimate_num_insns_1): Likewise.
5508 * tree-pretty-print.c (dump_generic_node): Likewise.
5509 * tree-ssa-operands.c (get_expr_operands): Likewise.
5510 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5511 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5512 (OMP_CONTINUE): New.
5513 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5514 (OMP_SECTIONS_SECTIONS): Remove.
5515 (OMP_SECTION_LAST): New.
5516 (OMP_RETURN_NOWAIT): New.
5518 2006-04-13 Roger Sayle <roger@eyesopen.com>
5520 * fold-const.c (native_encode_vector, native_interpret_real):
5521 Correct obvious mistakes in the previous check-in.
5523 2006-04-13 Roger Sayle <roger@eyesopen.com>
5525 * fold-const.c (native_encode_expr): New function to encode
5526 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5527 or VECTOR_CST into a specified buffer.
5528 (native_encode_int): New function.
5529 (native_encode_real): New function.
5530 (native_encode_complex): New function.
5531 (native_encode_vector): New function.
5532 (native_interpret_expr): Inverse of native_encode_expr to convert
5533 a target representation into an INTEGER_CST, REAL_CST etc...
5534 (native_interpret_int): New function.
5535 (native_interpret_real): New function.
5536 (native_interpret_complex): New function.
5537 (native_interpret_vector): New function.
5538 (fold_view_convert_expr): New function to constant fold/evaluate
5539 a VIEW_CONVERT_EXPR of a suitable constant expression.
5540 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5541 Change call of build1 to fold_build1 when constructing a
5542 VIEW_CONVERT_EXPR.
5544 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5545 Ulrich Weigand <uweigand@de.ibm.com>
5547 PR target/27006
5548 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5549 to be even.
5551 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5553 PR target/26459
5554 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5555 optimize to lo_sum for DFmode if !TARGET_FPRS.
5557 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5559 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5560 delete_alias_info, compute_flow_sensitive_aliasing,
5561 group_aliases): Use VEC instead of VARRAY.
5562 * tree-ssa-structalias.c (update_alias_info): Likewise.
5563 * tree-ssa-structalias.h (alias_info): Change the type of
5564 processed_ptrs to VEC(tree,heap) *.
5566 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5568 PR target/27060
5569 * config/sh/lib1funcs.h: New file, broken out of:
5570 * config/sh/lib1funcs.asm.
5571 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5572 New macros.
5573 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5574 * config/sh/lib1funcs-Os-4-200.asm: New file.
5575 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5576 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5577 (EXTRA_MULTILIB_PARTS): Include it.
5578 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5579 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5580 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5581 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5582 TARGET_SH2.
5584 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5586 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5587 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5588 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5589 VARRAY.
5590 * tree-ssa-live.h: Include vecprim.h.
5591 (tree_partition_associator_d): Change the type of
5592 first_partition to VEC(int,heap) *.
5593 (tpa_first_partition): Use VEC instead of VARRAY.
5595 * Makefile.in (GTFILES): Move functions.h after tree.h.
5596 * function.c (reset_block_changes, record_block_change,
5597 check_block_change, free_block_changes): Use VEC instead of
5598 VARRAY.
5599 * function.h (function): Change the type of
5600 ib_boundaries_block to VEC(tree,gc) *.
5601 * tree-inline.c (copy_cfg_body): Initialize
5602 ib_boundaries_block to NULL instead of (varray_type) 0.
5604 2006-04-12 Roger Sayle <roger@eyesopen.com>
5606 * expr.c (emit_group_store): Correct operand order in call to
5607 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5608 a SUBREG_BYTE of zero.
5610 2006-04-12 Richard Guenther <rguenther@suse.de>
5612 * profile.c (compute_branch_probabilities): Remove code
5613 encapsulated in !ir_type (), which are remanents of the
5614 removed RTL profiling code.
5615 * rtl-profile.c: Remove.
5617 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5619 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5620 magic NULL_RTX comment.
5621 (function_arg): Store entire fp arg to mem if any part should go
5622 on stack.
5623 (rs6000_arg_partial_bytes): Adjust for above change.
5625 2006-04-11 Roger Sayle <roger@eyesopen.com>
5627 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5628 if it hasn't been initialized by dwarf2out_init.
5630 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5632 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5633 symbolic constants in branch patterns.
5635 2006-04-11 Roger Sayle <roger@eyesopen.com>
5637 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5639 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5641 PR rtl-optimization/27073
5642 * gcse.c (try_replace_reg): Revert last change. Continue to search
5643 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5644 on the former.
5646 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5648 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5649 aggregate types other than record and union types.
5650 (function_arg): Likewise.
5651 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5652 small arrays.
5653 (function_value): In 64-bit mode, return objects that require it
5654 in FP registers.
5656 2006-04-11 Roger Sayle <roger@eyesopen.com>
5658 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5660 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5662 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5664 2006-04-03 Jeff Law <law@redhat.com>
5666 PR/27087
5667 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5668 alias information too.
5670 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5672 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5674 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5676 PR/21391
5677 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5678 (premark_used_types_helper): New.
5679 (premark_used_types): New.
5680 (gen_subprogram_die): Call premark_used_types.
5681 (prune_unused_types_walk): Do not prune perennial dies.
5682 * function.c (used_types_insert): New.
5683 * function.h (struct function): Add used_types_hash field.
5684 (used_types_insert): Add prototype.
5685 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5686 * c-parser.c (c_parser_cast_expression): Save casted types in used
5687 types hash table.
5689 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5691 PR target/26459
5692 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5693 rs6000_explicit_options.float_gprs.
5695 2006-04-10 Roger Sayle <roger@eyesopen.com>
5697 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5698 from ix86_expand_vector_init_low_nonzero. Take an additional
5699 one_var argument indicating which element is non-zero. Support
5700 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5701 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5702 with one_var instead of ix86_expand_vector_init_low_nonzero.
5704 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5706 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5707 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5708 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5709 build/genextract.o): Depend on vecprim.h.
5710 * cfglayout.c, df-problems.c, function.c, genextract.c,
5711 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5712 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5713 vecprim.h.
5714 * vecprim.h: New.
5716 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5718 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5719 Declare VECs of this type.
5720 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5721 (remove_children): Delete.
5722 (add_dwarf_attr): Use VEC routines.
5723 (add_AT_flag): Update for changes to add_dwarf_attr.
5724 (add_AT_int): Likewise.
5725 (add_AT_unsigned): Likewise.
5726 (add_AT_long_long): Likewise.
5727 (add_AT_vec): Likewise.
5728 (add_AT_string): Likewise.
5729 (add_AT_die_ref): Likewise.
5730 (add_AT_fde_ref): Likewise.
5731 (add_AT_loc): Likewise.
5732 (add_AT_loc_list): Likewise.
5733 (add_AT_addr): Likewise.
5734 (add_AT_lbl_id): Likewise.
5735 (add_AT_lineptr): Likewise.
5736 (add_AT_macptr): Likewise.
5737 (add_AT_offset): Likewise.
5738 (add_AT_range_list): Likewise.
5739 (get_AT): Use VEC_iterate.
5740 (remove_AT): Use VEC_ordered_remove.
5741 (free_die): Fold remove_children into here; have it use VEC_iterate.
5742 (print_die): Use VEC_iterate on attrs.
5743 (reverse_die_lists): Don't reverse attr lists.
5744 (die_checksum): Use VEC_iterate on attrs.
5745 (same_die_p): Likewise.
5746 (output_location_lists): Likewise.
5747 (build_abbrev_table): Likewise.
5748 (size_of_die): Likewise.
5749 (unmark_all_dies): Likewise.
5750 (output_abbrev_section): Likewise.
5751 (output_die): Likewise.
5752 (prune_unused_types_walk_attribs): Likewise.
5754 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5756 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5758 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5760 PR debug/27057
5761 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5763 2006-04-09 Roger Sayle <roger@eyesopen.com>
5765 * expr.c (store_constructor): Don't bother clearing target if
5766 we're about to assign a vector to it using vec_init_optab.
5768 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5770 * tree-ssa-alias.c (lhs_may_store_to): New function.
5771 (recalculate_used_alone): Handle LHS of calls.
5773 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5775 PR target/27034
5776 PR target/26508
5777 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5778 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5779 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5780 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5781 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5782 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5783 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5784 stubs. Add ".align 8" directives before all ".dword" directives.
5785 (GTHREAD_USE_WEAK): Revise comment.
5786 (TARGET_ATTRIBUTE_WEAK): Define.
5787 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5788 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5789 * stublib.c: New file.
5791 PR target/26743
5792 PR target/11254
5793 PR target/10274
5794 * pa.md (cbranch patterns): Revise arguments used in calls to
5795 output_cbranch, output_bb and output_bvd. Add long branch length
5796 attributes.
5797 (fbranch patterns): Handle long branches.
5798 (jump): Revise length check. Revise arguments for output_lbranch call.
5799 Add long branch length attributes.
5800 (decrement_and_branch_until_zero): Add long branch length attributes.
5801 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5802 Likewise. Revise arguments for output_parallel_addb and
5803 output_parallel_movb calls.
5804 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5805 output_parallel_movb and output_parallel_addb): Update prototypes.
5806 * pa.c (output_cbranch): Revise arguments. Correct handling of
5807 nullification in long branches.
5808 (output_lbranch): Add new argument to control extraction of delay
5809 instruction.
5810 (output_bb): Handle long branches.
5811 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5812 output_parallel_addb): Likewise.
5814 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5816 PR rtl-optimization/27073
5817 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5818 not REG_EQUIVs.
5820 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5822 * tree.h (tree_memory_tag): Add old_used_alone.
5823 (SMT_OLD_USED_ALONE): New macro.
5824 * tree-ssa-alias.c (recalculate_used_alone): Stop
5825 marking things for renaming unnecessarily.
5827 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5829 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5830 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5831 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5832 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5833 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5834 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5835 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5836 spelling convensions.
5837 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5838 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5839 typos. Follow spelling conventions.
5841 2006-04-07 DJ Delorie <dj@redhat.com>
5843 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5844 passed on the stack.
5845 (m32c_init_cumulative_args): When a function returns a structure,
5846 always pass the pointer to that return area on the stack.
5847 (m32c_function_arg_advance): Don't increment the parameter number
5848 if we're processing the returned structure pointer.
5849 (pushm_info): Reverse order of registers.
5851 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5853 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5854 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5855 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5856 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5857 build_int_cst_type.
5858 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5859 chrec_fold_multiply): Same.
5860 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5861 force_expr_to_var_cost): Same.
5862 * tree-mudflap.c (mf_xform_derefs_1): Same.
5863 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5865 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5867 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5868 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5869 insn.
5871 2006-04-07 Jan Hubicka <jh@suse.cz>
5873 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5875 2006-04-07 Richard Guenther <rguenther@suse.de>
5877 PR tree-optimization/26135
5878 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5879 loads for store copy-prop.
5880 (copy_prop_visit_stmt): Likewise.
5882 2006-04-05 Robert Millan <robertmh@gnu.org>
5884 * config/i386/linux.h: Add a comment to mark macros that are
5885 being overriden in config/k*bsd-gnu.h.
5886 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5887 DYNAMIC_LINKER.
5888 * config/knetbsd-gnu.h: Ditto.
5890 2006-04-06 Jan Hubicka <jh@suse.cz>
5892 PR profile/20815
5893 PR profile/26399
5894 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5895 after buffer.
5897 2006-04-06 Mike Stump <mrs@apple.com>
5899 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5900 for HAVE_nonlocal_goto to be consistent.
5901 (expand_builtin_nonlocal_goto): Likewise.
5902 (expand_builtin_strcmp): Use #ifdef instead of #if
5903 for HAVE_cmpstrnsi to be consistent.
5905 2006-04-05 DJ Delorie <dj@redhat.com>
5907 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5908 vs m32c.
5910 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5912 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5913 got-relative addressing for anything but SImode.
5915 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5916 even if the calling function doesn't modify them.
5918 2006-04-05 Richard Guenther <rguenther@suse.de>
5920 PR tree-optimization/26919
5921 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5922 to cgraph_estimate_size_after_inlining.
5924 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5926 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5928 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5930 PR tree-optimization/26996
5931 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5932 VECTOR_TYPE variables.
5934 2006-04-05 Richard Guenther <rguenther@suse.de>
5936 PR tree-optimization/26763
5937 * fold-const.c (fold_comparison): Move folding of
5938 PTR + CST CMP PTR + CST ...
5939 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5941 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5943 * doc/install.texi (Prerequisites): Refine some wording on
5944 bootstrapping and ksh.
5945 Move the version numbers of DejaGnu here from the testing section
5946 and fix casing of names.
5947 Fix markup and clarify wording for autogen requirements.
5948 Refer to GCJ instead of just java.
5949 Refer to SVN instead of CVS.
5950 Describe diffutils as useful instead of necessary.
5951 (Downloading the source): Refer to SVN instead of CVS.
5952 Adjust a link to our web site accordingly.
5953 (Configuration): Fix casing of Bison.
5954 (Building): Refer to SVN instead of CVS.
5955 Fix a sentence on the use of Bison and remove duplicate (and
5956 incorrect) version number of Bison requirement.
5957 Remove one redundant list of packages needed for building.
5958 (Specific): Avoid reference to CVS.
5960 2006-04-04 Eric Christopher <echristo@apple.com>
5962 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5963 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5964 (rs6000_handle_struct_attribute): New.
5965 (rs6000_ms_bitfield_layout_p): Ditto.
5967 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5969 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5970 NULL for dso parameter to atexit_common.
5972 2006-04-04 Eric Christopher <echristo@apple.com>
5974 * config/i386/i386.c (machopic_output_stub): Output \t
5975 between instructions and operands.
5977 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5979 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5980 satisfies_constraint_[IL] to explicit tests on value.
5982 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5984 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5985 set_nb_iterations_in_loop): Use build_int_cst instead of
5986 build_int_cst_type.
5987 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5988 build_int_cst instead of convert.
5990 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5992 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5993 new value 2 for incoming.
5994 * function.c (expand_function_start): Call struct_value_rtx
5995 with incoming as 2.
5996 * config/sparc/sparc.md: Comment updated_return.
5997 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5998 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5999 struct return if sparc_std_struct_return and incoming is 2.
6000 (print_operand): Do not adjust return if
6001 sparc_std_struct_return.
6003 2006-04-04 Roger Sayle <roger@eyesopen.com>
6005 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6006 convert in the middle-end.
6007 * expr.c (store_expr, store_constructor, get_inner_reference,
6008 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6009 Likewise.
6010 * tree.c (build_range_type): Likewise.
6012 2006-04-04 Tom Tromey <tromey@redhat.com>
6014 * doc/install.texi (Prerequisites): Mention jar.
6016 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6018 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6019 subsection.
6021 2006-04-04 Matthias Klose <doko@debian.org>
6023 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6024 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6025 strings.
6027 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6029 * doc/extend.texi (Function Attributes): Rewrite visibility
6030 attribute documentation.
6031 * doc/invoke.texi (C++ Dialect Options): Rewrite
6032 -fvisibility-inlines-hidden documentation to describe something
6033 entirely different, although in practise compatible.
6034 (Code Gen Options): Warn about system headers in -fvisibility=
6035 documentation.
6037 * doc/extend.texi (Other Builtins): Document that
6038 __builtin_nan is a compile-time constant only when its argument
6039 is valid.
6041 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6043 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6044 trying to remove TRUNCATE check if all bits outside the new mode
6045 are identical to the sign bit.
6047 2006-04-03 Jeff Law <law@redhat.com>
6049 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6050 and operand scanning in some common cases.
6052 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6053 Dale Johannesen <dalej@apple.com>
6055 PR target/19653
6056 * regclass.c (struct reg_pref): Update documentation.
6057 (regclass): Set prefclass to NO_REGS if memory is the best option.
6058 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6059 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6060 into account. For non-registers, equate an empty preferred
6061 reload class to a `!' in the constraint; move the if clause to
6062 do so after those that reject the insn.
6063 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6064 return NO_REGS.
6065 (find_dummy_reload): Likewise.
6066 * doc/tm.texi (Register Classes): Document what it means
6067 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6068 * config/i386/i386.c (ix86_preferred_reload_class): Force
6069 using SSE registers (and return NO_REGS for floating-point
6070 constants) if math is done with SSE.
6071 (ix86_preferred_output_reload_class): New.
6072 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6073 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6074 * config/i386/i386.md: Remove # register preferences.
6076 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6078 PR bootstrap/26992
6079 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6080 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6081 the type of nb_iter.
6082 (instantiate_parameters_1): Convert the operands before calling
6083 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6084 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6086 2006-04-02 Roger Sayle <roger@eyesopen.com>
6088 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6089 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6090 instead of convert.
6091 * dojump.c (do_jump): Likewise.
6092 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6093 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6094 gimplify_boolean_expr): Likewise.
6095 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6096 * varasm.c (array_size_for_constructor): Likewise.
6097 * tree-object-size.c (compute_object_offset): Likewise.
6099 2006-04-02 Roger Sayle <roger@eyesopen.com>
6101 PR middle-end/26977
6102 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6103 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6105 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6107 PR tree-optimization/26939
6108 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6110 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6112 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6113 at_stmt. Convert the type of operands before calling
6114 build_polynomial_chrec.
6115 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6116 add_to_evolution_1.
6117 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6118 (instantiate_parameters_1): Convert the type of operands before calling
6119 build_polynomial_chrec.
6120 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6121 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6122 reset_evolution_in_loop): Insert asserts to check the types of the
6123 operands.
6124 (chrec_type): Moved...
6125 (eq_evolutions_p): Use operand_equal_p.
6126 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6127 the types of the operands.
6128 (chrec_type): ...here.
6129 * tree-data-ref.c (create_data_ref): Convert the operands before
6130 calling chrec_replace_initial_condition.
6131 (same_access_functions, analyze_subscript_affine_affine,
6132 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6133 (compute_subscript_distance, analyze_ziv_subscript,
6134 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6135 analyze_miv_subscript): Convert the operands before calling
6136 chrec_fold_minus or chrec_fold_plus.
6138 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6140 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6141 the dependence_relations vector.
6142 (compute_data_dependences_for_loop): Adjust call to
6143 compute_all_dependences.
6145 2006-04-01 Roger Sayle <roger@eyesopen.com>
6146 Richard Henderson <rth@redhat.com>
6148 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6149 gimple_boolify on the condition before calling gimplify_expr.
6151 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6153 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6154 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6155 the frame size. Update to use the new macros.
6156 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6157 * config/xtensa/ieee754-df.S: Likewise.
6159 2006-03-31 Richard Henderson <rth@redhat.com>
6161 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6162 (make_edges): ... here. Control fallthru creation with a local
6163 variable. Do not play with fake edges.
6164 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6165 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6166 a boolean.
6168 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6170 * dwarf2.h (DW64_CIE_ID): Define.
6171 * dwarf2out.c (DWARF_CIE_ID): Define.
6172 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6173 length header. Use DWARF_CIE_ID.
6174 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6175 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6177 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6179 * config/sh/linux-atomic.asm: New file.
6180 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6182 2006-03-31 DJ Delorie <dj@redhat.com>
6184 * config/m32c/cond.md: Set condition flags properly throughout.
6185 * config/m32c/minmax.md: Likewise.
6186 * config/m32c/prologue.md: Likewise.
6187 * config/m32c/bitops.md: Likewise.
6188 * config/m32c/muldiv.md: Likewise.
6189 * config/m32c/mov.md: Likewise.
6190 * config/m32c/addsub.md: Likewise.
6191 * config/m32c/m32c.md: Likewise.
6192 * config/m32c/jump.md: Likewise.
6193 * config/m32c/shift.md: Likewise.
6195 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6196 conditionally output the pattern for this.
6197 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6198 (m32c_compare_redundant): New.
6199 (m32c_output_compare): New.
6200 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6202 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6203 dest, not src. Allow other 4-byte modes.
6205 2006-03-30 Denis Chertykov <denisc@overta.ru>
6207 * doc/md.texi: Refer to avr/constraints.md instead of
6208 avr/avr.h.
6210 2006-03-30 Roger Sayle <roger@eyesopen.com>
6212 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6213 signed vs. unsigned comparison failures on some hosts.
6215 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6217 PR target/26459
6218 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6219 change to FLOAT_REGS.
6221 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6222 (rs6000_override_options): Use it.
6223 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6224 only for -mabi=spe/no-spe and -mabi=altivec.
6226 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6228 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6229 !Zdynamiclib.
6231 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6233 * Makefile.in: Rename docdir to gcc_docdir.
6235 2006-03-30 Roger Sayle <roger@eyesopen.com>
6237 PR target/17959
6238 * expr.c (emit_group_store): Optimize group stores into a pseudo
6239 register by using a paradoxical subreg to initialize the destination
6240 if the first or last member of the group specifies a "low part".
6242 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6244 PR target/26734
6245 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6246 * target.h (struct gcc_target.speculate_insn): Change type of the
6247 second parameter to 'int'.
6248 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6249 the second operand of the DEPS_LIST.
6250 (copy_DEPS_LIST_list): Update reference to the second operand of the
6251 DEPS_LIST.
6252 * rtl.h (alloc_DEPS_LIST): Update signature.
6253 * sched-int.h (ds_t): Change typedef to 'int'.
6254 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6256 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6258 * haifa-sched.c (try_ready): Change condition to restore
6259 non-speculative pattern of the instruction.
6260 (process_insn_depend_be_in_spec): Code to keep probability of the
6261 speculative dependence non-decreasing.
6263 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6265 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6266 (single_move_for_movmem): ... this. Also change all uses.
6267 (bfin_expand_strmov): Renamed to...
6268 (bfin_expand_movmem): ... this. Also change all uses.
6269 * config/bfin/bfin.md (movstrsi): Renamed to...
6270 (movstrsi): ...this.
6272 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6274 PR tree-optimization/26830
6276 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6277 (copy_prop_visit_stmt): Remove write-only variable ann.
6278 (init_copy_prop): Check variable loop depth here. Do not simulate
6279 memory-tag and virtual operand PHIs except for store copy prop.
6281 2006-03-30 Richard Guenther <rguenther@suse.de>
6283 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6284 variants with double arguments.
6286 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6288 * genpreds.c (write_tm_constrs_h): Delete variable p.
6289 * genconditions.c (write_header): Add tm-constrs.h to included
6290 headers.
6291 * genpeep.c (main): Add toplev.h to included headers.
6292 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6293 (build/genpeep.o): Add toplev.h dependency.
6294 * config/rs6000/constraints.md: Add "W" constraint.
6296 2006-03-29 Roger Sayle <roger@eyesopen.com>
6298 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6299 sizes by correctly testing whether the size fits a host integer.
6300 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6301 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6302 SImode range for the default sizetype and bitsizetype.
6304 2006-03-29 Roger Sayle <roger@eyesopen.com>
6306 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6307 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6308 quickly if the argument is already of the correct type.
6309 Call fold_build1 instead of build1. Tidy up blank lines.
6311 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6313 * genemit.c (main): Add tm-constrs.h to included headers.
6314 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6315 * genpeep.c (main): Add tm-constrs.h to included headers.
6316 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6317 (write_tm_constrs_h): this and write complete file.
6318 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6319 (write_insn_preds_c): Add tm-constrs.h to included headers.
6320 (gen_constrs): New variable.
6321 (parse_option): Parse "-c".
6322 (main): Invoke write_tm_constrs_h.
6323 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6324 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6325 (object_out_file): Add tm-constrs.h dependency.
6326 (insn-emit.o): Same.
6327 (insn-output.o): Same.
6328 (insn-peep.o): Same.
6329 (insn-preds.o): Same.
6330 (insn-recog.o): Same.
6331 (tm-constsr.h): New target.
6332 (s-constrs-h): New target.
6334 * config/rs6000/constraints.md: New file.
6335 * config/rs6000/rs6000.c: Include tm-constrs.h.
6336 (num_insn_constant_wide): Convert to satisfies_constraint.
6337 (rs6000_rtx_costs): Convert to satisfies_constraint.
6338 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6339 (CONST_OK_FOR_LETTER_P): Delete.
6340 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6341 (EXTRA_CONSTRAINT): Delete.
6342 (EXTRA_MEMORY_CONSTRAINT): Delete.
6343 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6344 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6345 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6346 satisfies_constraint.
6348 * config/i386/i386.c: Include tm-constrs.h.
6350 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6352 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6353 * tree-data-ref.c (find_data_references_in_loop,
6354 compute_data_dependences_for_loop): Use pointers to VEC.
6355 (analyze_all_data_dependences): Adjust calls.
6356 * tree-data-ref.h (find_data_references_in_loop,
6357 compute_data_dependences_for_loop): Adjust declarations.
6358 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6359 compute_data_dependences_for_loop.
6361 2006-03-29 Paul Brook <paul@codesourcery.com>
6363 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6364 (movdf_vfp): Ditto.
6366 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6368 PR tree-optimization/26859
6369 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6370 division by zero.
6371 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6372 for the step after fold_convert.
6374 2006-03-29 Paul Brook <paul@codesourcery.com>
6376 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6377 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6379 2006-03-29 Paul Brook <paul@codesourcery.com>
6381 PR middle-end/23623
6382 * targhooks.c (default_narrow_bitfield): New fuction.
6383 * targhooks.h (default_narrow_bitfield): add prototype.
6384 * target.h (gcc_target): Add narrow_volatile_bitfield.
6385 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6386 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6387 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6388 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6390 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6392 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6393 tmake_file.
6394 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6395 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6396 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6397 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6398 (s390_function_arg_float): Allow SDmode and DDmode values to be
6399 passed in floating point registers.
6400 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6401 check with SCALAR_FLOAT_MODE_P.
6402 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6404 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6406 PR tree-optimization/25985
6407 * tree-ssa-loop-niter.c (number_of_iterations_le,
6408 number_of_iterations_ne): Make comments more precise.
6409 (number_of_iterations_cond): Add only_exit argument. Use the
6410 fact that signed variables do not overflow only when only_exit
6411 is true.
6412 (loop_only_exit_p): New.
6413 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6414 number_of_iterations_cond.
6416 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6418 PR tree-optimization/26643
6419 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6420 bit_field_refs.
6422 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6424 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6425 (divsi3_i4_int): Likewise.
6427 2006-03-28 Roger Sayle <roger@eyesopen.com>
6429 * expr.c (emit_group_store): Only create a new pseudo reg if the
6430 quantity it needs to hold isn't already a suitable pseudo.
6432 2006-03-28 Jeff Law <law@redhat.com>
6434 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6435 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6437 2006-03-28 Roger Sayle <roger@eyesopen.com>
6439 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6440 the equivalent ~X & Y, and the symmetry related transformations.
6441 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6442 ~X & Y, and symmetry related transforms.
6444 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6446 Revert my 2006-03-27 patches.
6448 2006-03-28 Roger Sayle <roger@eyesopen.com>
6450 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6451 ~(T1)X, when T1 and T2 are integer types of the same precision
6452 and (T2)X isn't an extension.
6454 2006-03-28 Jeff Law <law@redhat.com>
6456 PR tree-optimization/26796
6457 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6458 need EH edge cleanups rather than purging them immediately.
6459 (eliminate_degenerate_phis): Handle queued EH cleanups.
6461 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6463 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6464 from parent_var.
6466 2006-03-27 Roger Sayle <roger@eyesopen.com>
6468 PR middle-end/22524
6469 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6470 cast BIT_NOT_EXPR operand to the correct type.
6472 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6474 * tree-loop-linear.c: Don't include varray.h.
6475 (gather_interchange_stats, try_interchange_loops,
6476 linear_transform_loops): Use VEC instead of VARRAY.
6477 * lambda-mat.c: Don't include varray.h.
6478 * tree-chrec.c: Same.
6479 * lambda-trans.c: Same.
6480 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6481 VEC instead of VARRAY.
6482 * tree-vectorizer.h: Idem.
6483 * tree-data-ref.c (dump_data_references,
6484 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6485 initialize_data_dependence_relation, finalize_ddr_dependent,
6486 compute_all_dependences, find_data_references_in_loop,
6487 compute_data_dependences_for_loop, analyze_all_data_dependences,
6488 free_dependence_relation, free_dependence_relations,
6489 free_data_refs): Idem.
6490 * tree-data-ref.h (data_reference_p, subscript_p): New.
6491 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6492 VEC instead of VARRAY.
6493 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6494 (find_data_references_in_loop, compute_data_dependences_for_loop,
6495 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6496 dump_data_dependence_relations, free_dependence_relations,
6497 free_data_refs): Adjust declaration.
6498 (lambda_transform_legal_p): Move declaration here...
6499 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6500 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6501 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6502 vect_analyze_data_refs): Use VEC instead of VARRAY.
6503 * lambda.h (lambda_transform_legal_p): ...from here.
6504 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6505 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6506 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6507 tree-chrec.o): Don't depend on VARRAY_H.
6509 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6511 * rtl.def (Copyright): Update date.
6512 (DEPS_LIST): Change type of the second operand to 'int'.
6513 * target.h (Copyright): Update date.
6514 (struct gcc_target.speculate_insn): Change type of the second parameter
6515 to 'int'.
6516 * lists.c (Copyright): Update date.
6517 (alloc_DEPS_LIST): Change signature. Update reference to the second
6518 operand of the DEPS_LIST.
6519 (copy_DEPS_LIST_list): Update reference to the second operand of the
6520 DEPS_LIST.
6521 * rtl.h (Copyright): Update date.
6522 (alloc_DEPS_LIST): Update signature.
6523 * sched-int.h (Copyright): Update date.
6524 (ds_t): Change typedef to 'int'.
6525 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6527 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6529 * haifa-sched.c (Copyright): Update date.
6530 (try_ready): Change condition to restore non-speculative pattern
6531 of the instruction.
6532 (process_insn_depend_be_in_spec): Code to keep probability of the
6533 speculative dependence non-decreasing.
6535 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6537 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6538 shut up the compiler.
6540 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6542 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6543 to use lib prefix for target.
6544 ($(T)libic_invalidate_array_4-200.a): Likewise.
6545 ($(T)libic_invalidate_array_4a.a): Likewise.
6547 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6548 J"orn Rennecke <joern.rennecke@st.com>
6550 * superh.opt: New file.
6551 * sh.c (boardtype, osruntime): Remove.
6552 * superh.h (SUBTARGET_OPTIONS): Remove.
6553 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6555 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6556 arguments with ^ and/or [].
6558 * config.gcc (sh-*-*): Add quoting to account for quirk of
6559 Solaris /bin/sh.
6560 Replace == with = in enable_incomplete_targets test.
6562 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6563 with MASK_LITTLE_ENDIAN.
6565 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6566 * config/sh/sh.opt: Added to some comments.
6567 * config/sh/superh.h: Removed some chaff.
6569 * config/sh/sh.opt: Add m4-[1234]00* options.
6570 * config/sh/sh.c (sh_handle_option): Likewise.
6571 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6572 (ic_invalidate_array_4-100.o): New rule.
6573 ($(T)libic_invalidate_array_4-100.a): Likewise.
6574 (ic_invalidate_array_4-200.o): Likewise.
6575 ($(T)libic_invalidate_array_4-200.a): Likewise.
6576 (ic_invalidate_array_4a.o): Likewise.
6577 ($(T)libic_invalidate_array_4a.a): Likewise.
6578 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6579 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6580 m4-200*, and m4a*.
6581 * config/sh/crt1.asm: Merged in profiling code.
6582 * config/sh/superh.h (STARTFILE_SPEC): Override.
6583 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6584 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6585 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6587 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6588 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6589 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6591 * sh.opt (mpretend-cmove): New option.
6592 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6593 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6594 (movsicc): Add TARGET_PRETEND_CMOVE code.
6596 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6598 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6599 s390_class_max_nregs): New function prototypes.
6600 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6601 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6602 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6603 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6605 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6607 * dwarf2out.c (add_location_or_const_value_attribute): Call
6608 tree_add_const_value_attribute if nothing else works.
6609 (reference_to_unused): New.
6610 (rtl_for_decl_init): Use reference_to_unused to decide whether
6611 to output an initializer.
6613 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6615 PR target/26459
6616 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6617 peephole removing spe frob_di_df_2.
6619 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6621 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6622 (subscript_dependence_tester_1): Declared.
6623 (print_dir_vectors, print_dist_vectors): New.
6624 (debug_data_dependence_relation): New.
6625 (dump_data_dependence_relation): Print more details.
6626 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6627 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6628 (save_dist_v, save_dir_v, add_outer_distances,
6629 build_classic_dist_vector_1): New.
6630 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6631 Don't test for lambda_vector_lexico_pos.
6632 (same_access_functions, add_multivariate_self_dist,
6633 add_other_self_distances, dir_from_dist): New.
6634 (build_classic_dir_vector): Replace implementation almost identical to
6635 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6636 dir_from_dist.
6637 (subscript_dependence_tester_1): New.
6638 (subscript_dependence_tester): Handle the lexicographically negative
6639 distance vectors by recomputing the dependence relation.
6640 (compute_affine_dependence): Remove parameter loop_nest_depth.
6641 (compute_self_dependence): Don't call compute_subscript_distance.
6642 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6643 Add a parameter for the loop_nest.
6644 (find_loop_nest_1, find_loop_nest): New.
6645 (compute_data_dependences_for_loop): Compute the loop nest, and give
6646 up if the nest is not well formed.
6647 * tree-data-ref.h (loop_p): New.
6648 (struct data_dependence_relation): Replace size_vect field with
6649 loop_nest, a vec of loops.
6650 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6651 (DDR_LOOP_NEST): New.
6652 (print_dir_vectors, print_dist_vectors,
6653 debug_data_dependence_relation): Declared.
6654 (index_in_loop_nest): New.
6655 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6656 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6657 distance.
6659 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6661 * simplify-rtx.c (simplify_relational_operation): Call
6662 simplify_relational_operation_1 even if mode is VOIDmode.
6664 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6666 PR tree-optimization/26804
6667 * tree.h (DECL_CALL_CLOBBERED): New macro.
6668 (tree_decl_common): Add call_clobbered_flag.
6669 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6670 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6671 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6672 (mark_non_addressable): Ditto.
6673 * tree-ssa.c (verify_call_clobbered): New function.
6674 (verify_alias_info): Use it.
6675 * tree-pass.h (pass_reset_cc_flags): New prototype.
6676 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6677 (reset_cc_flags): New function.
6678 * passes.c (init_optimization_passes): Call reset_cc_flags after
6679 initializing referenced_vars.
6681 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6682 Roger Sayle <roger@eyesopen.com>
6684 PR middle-end/26717
6685 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6686 to 1.0 for non-real operands. Implement A / A optimization for
6687 complex operands.
6689 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6691 * config/i386/i386.c (size_cost): Correct the comment for
6692 cost of storing fp registers.
6693 (i386_cost): Likewise.
6694 (i486_cost): Likewise.
6695 (pentium_cost): Likewise.
6696 (pentiumpro_cost): Likewise.
6697 (k6_cost): Likewise.
6698 (athlon_cost): Likewise.
6699 (k8_cost): Likewise.
6700 (pentium4_cost): Likewise.
6701 (nocona_cost): Likewise.
6702 (generic64_cost): Likewise.
6703 (generic32_cost): Likewise.
6705 2006-03-24 Denis Chertykov <denisc@overta.ru>
6707 * config/avr/avr-protos.h (extra_constraint): Delete.
6708 (extra_constraint_Q): New declaration.
6709 * config/avr/constraints.md: New file.
6710 * config/avr/avr.md: Include it.
6711 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6712 (TMP_REGNO, ZERO_REGNO): Likewise.
6713 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6714 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6715 (extra_constraint): Delete.
6716 (extra_constraint_Q): Test for memory constraint 'Q'.
6717 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6718 (REG_CLASS_FROM_LETTER): Delete.
6719 (CONST_OK_FOR_LETTER_P): Delete.
6720 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6721 (EXTRA_CONSTRAINT): Delete.
6722 (TMP_REGNO): Delete.
6723 (ZERO_REGNO): Delete.
6725 2006-03-24 Jeff Law <law@redhat.com>
6727 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6728 directly. Call mark_new_vars_to_rename slightly earlier.
6730 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6732 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6733 (is_cxx): Likewise.
6734 (gen_compile_unit_die): Use new language types for Objective-C and
6735 Objective-C++.
6736 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6737 DW_LANG_C_plus_plus.
6739 PR 26793
6740 * config/t-darwin (crt3.o): Work around bug 26840.
6741 * config/darwin-crt3.c: Rewrite.
6742 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6744 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6746 * doc/invoke.texi: Document -femit-class-debug-always
6747 * common.opt: Add -femit-class-debug-always.
6749 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6751 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6752 index and base register.
6753 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6754 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6755 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6756 REGNO_OK_FOR_INDEX_P.
6757 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6758 ADDR_REGNO_P.
6759 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6760 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6761 REG_OK_FOR_BASE_P): Definitions removed.
6763 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6765 PR middle-end/26611
6766 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6767 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6768 set yet or weren't marked as local yet.
6770 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6772 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6773 the compiler.
6775 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6777 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6778 (rs6000_legitimate_small_data_p): Delete.
6779 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6780 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6781 and make static. Add forward declaration. Update uses.
6782 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6783 of offsettable_memref_p.
6784 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6785 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6787 2006-03-24 Jeff Law <law@redhat.com>
6789 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6790 around bug in immediate-use iterator.
6792 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6794 PR target/26607
6795 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6796 or __LITTLE_ENDIAN__.
6798 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6800 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6801 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6802 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6803 * config/sh/sh.opt (mdiv=): Amend description.
6804 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6805 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6806 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6807 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6808 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6809 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6810 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6811 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6812 TARGET_DIVIDE_CALL_FP.
6814 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6816 * haifa-sched.c (choose_ready): Fix type of the local variable.
6817 Move local variables. Add comment.
6818 (check_reg_live): Change signature. Make callable from debugger.
6819 * sched-int.h (check_reg_live): Update signature.
6820 * sched-ebb.c (check_reg_live): Update parameters.
6821 * sched-rgn.c (check_reg_live): Ditto.
6822 (region_head_or_leaf_p): Check pointer before dereferencing.
6823 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6824 before reload on optimization levels below 1.
6826 2006-03-23 Richard Henderson <rth@redhat.com>
6828 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6829 tls symbols.
6831 PR target/26347
6832 * config/alpha/predicates.md (local_symbolic_operand): Reject
6833 weak symbols.
6835 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6837 PR tree-opt/26795
6838 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6839 expressions which have overflowed constants.
6841 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6843 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6845 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6847 * cfgloopmanip.c (create_loop_notes): Removed.
6848 * final.c (final_scan_insn): Do not handle loop notes.
6849 * jump.c (squeeze_notes): Ditto.
6850 * cfglayout.c (skip_insns_after_block,
6851 duplicate_insn_chain): Ditto.
6852 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6853 create_loop_notes.
6854 * cfgloop.h (create_loop_notes): Declaration removed.
6856 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6858 * varasm.c (output_constant_pool): Restore fnname and fndecl
6859 arguments.
6860 (assemble_start_function): Adjust call accordingly.
6861 (assemble_end_function): Likewise.
6863 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6865 PR mudflap/26789
6866 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6868 PR mudflap/26790
6869 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6871 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6873 PR driver/22600
6874 * system.h (ICE_EXIT_CODE): New macro.
6875 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6876 (diagnostic_action_after_output): Likewise.
6877 * gcc.c (fatal_ice): New function.
6878 (execute): Use it instead of fatal.
6879 (fancy_abort): Likewise.
6880 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6882 2006-03-22 Jeff Law <law@redhat.com>
6884 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6885 iv_analyze_result returning false.
6887 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6889 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6891 2006-03-22 Richard Henderson <rth@redhat.com>
6893 PR middle-end/26084
6894 * except.c (duplicate_eh_regions_0): New.
6895 (duplicate_eh_region_1): Duplicate the children of the node as
6896 well as the node itself. Link them up properly.
6897 (duplicate_eh_region_2): Merge into ...
6898 (duplicate_eh_regions): ... here. Take copy_region argument, and
6899 copy only a sub-tree if asked. Simplify copying and fixup.
6900 (eh_region_outer_p): New.
6901 * except.h (duplicate_eh_regions): Update decl.
6902 (eh_region_outer_p): Declare.
6903 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6904 (lower_omp_master): Likewise.
6905 (lower_omp_ordered): Likewise.
6906 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6907 (move_stmt_r): Use it to remap labels. Handle recursion vs
6908 remap_decls_p properly.
6909 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6910 (find_outermost_region_in_block): New.
6911 (new_label_mapper): New.
6912 (move_sese_region_to_fn): Copy eh information to the new function
6913 properly.
6914 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6915 argument.
6916 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6917 number.
6919 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6921 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6922 into shared libraries.
6924 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6926 * doc/md.texi: Refer to i386/constraints.md instead of
6927 i386/predicates.md.
6928 * config/i386/constraints.md: New file, extracted from...
6929 * config/i386/predicates.md: ...here.
6930 * config/i386/i386.md: Include constraints.md.
6932 2006-03-21 Jason Merrill <jason@redhat.com>
6934 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6936 PR middle-end/20297
6937 * expr.c (init_block_move_fn): Force default visibility.
6938 (init_block_clear_fn): Likewise.
6939 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6940 * targhooks.c (default_external_stack_protect_fail): Likewise.
6942 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6944 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6945 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6946 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6947 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6948 (loadgp): Use mips_current_loadgp_style.
6949 (loadgp_noshared): New pattern.
6950 (sibcall_internal): Use MIPS_CALL.
6951 (sibcall_value_internal): Likewise.
6952 (sibcall_value_multiple_internal): Likewise.
6953 (call_internal): Likewise.
6954 (call_value_internal): Likewise.
6955 (call_value_multiple_internal): Likewise.
6956 (call_split): Use MIPS_CALL and add an 'S' constraint.
6957 (call_value_split): Likewise.
6958 (call_value_multiple_split): Likewise.
6959 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6960 (-mshared): New option.
6961 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6962 (mips_current_loadgp_style): Declare.
6963 * config/mips/mips.c (mips_classify_symbol): Avoid using
6964 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6965 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6966 TARGET_ABSOLUTE_ABICALLS.
6967 (override_options): Adjust comments. Improve the warning that is
6968 issued when -mabicalls and -G are used together.
6969 (mips_file_start): Remove comment.
6970 (mips_current_loadgp_style): New function.
6971 (mips_gnu_local_gp): New variable.
6972 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6973 LOADGP_ABSOLUTE.
6974 (mips_output_function_prologue): Use mips_current_laodgp_style.
6975 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6976 the cprestore instruction.
6977 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6978 live for TARGET_ABSOLUTE_ABICALLS.
6979 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6980 (ASM_SPEC): Pass down -mshared and -mno-shared.
6981 (MIPS_CALL): New macro.
6982 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6983 definition.
6984 * doc/invoke.texi (-mabicalls): Update documentation.
6985 (-mshared): Document.
6987 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6989 * config/ia64/unwind-hpux.c: New file.
6990 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6992 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6994 PR libgomp/26384
6995 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6997 2006-03-21 Jeff Law <law@redhat.com>
6999 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7000 type conversions of a VR_VARYING source to a wider type.
7002 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7004 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7005 tm_file on Solaris 10 and later.
7006 (sparc64-*-solaris2*): Likewise.
7007 (sparc-*-solaris2*): Likewise.
7008 * config/sol26.h: Rename to config/sol2-6.h.
7009 * config/sol2-10.h: New file.
7011 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7013 PR tree-opt/26781
7014 * tree-ssa-pre.c (create_component_ref_by_pieces):
7015 Handle STRING_CST.
7017 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7019 PR c++/26690
7020 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7021 return it immediately.
7023 2006-03-21 Michael Matz <matz@suse.de>
7025 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7026 New members.
7027 (remove_arc, add_arc): Update num_out_arcs member.
7028 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7029 of out arcs.
7030 (cache_presence): New function.
7031 (compare_states_for_equiv): New function.
7032 (state_is_differed): Don't take number of outargs, adjust callers.
7033 Use new invariant for speeding up.
7034 (init_equiv_class): Create initial classes based on sorted
7035 input.
7036 (partition_equiv_class): Don't track out_arcs_num.
7037 (evaluate_equiv_classes): Call cache_presence on all states and
7038 sort them.
7040 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7042 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7043 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7044 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7045 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7046 callers changed.
7047 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7048 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7049 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7050 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7051 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7052 macros.
7053 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7054 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7055 (REGNO_REG_CLASS): ARGP is in PREGS.
7056 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7057 IREGS.
7058 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7059 to deal with those addresses.
7060 * addresses.h: New file.
7061 * caller-save.c: Include "addresses.h".
7062 (init_caller_save): Use new base_reg_class function.
7063 * rtl-factoring.c: Include "addresses.h".
7064 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7065 * recog.c: Include "addresses.h".
7066 (preprocess_constraints): Use new base_reg_class function.
7067 * regrename.c: Include "addresses.h".
7068 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7069 functions. Keep track of a new var INDEX_CODE to compute valid
7070 classes.
7071 (replace_oldest_value_addr): Likewise.
7072 (replace_oldest_value_mem): Use base_reg_class.
7073 * reload.c: Include "addresses.h".
7074 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7075 (find_reloads): Use new base_reg_class function.
7076 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7077 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7078 all callers and prototype changed.
7079 * reload1.c: Include "addresses.h".
7080 (maybe_fix_stack_asms): Use base_reg_class.
7081 * regclass.c: Include "addresses.h".
7082 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7083 (init_reg_autoinc): Use new base_reg_class function.
7084 (record_reg_classes): Likewise.
7085 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7086 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7087 Use new args to compute necessary class.
7089 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7090 regrename.o, rtl-factoring.o): Update dependencies.
7091 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7092 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7093 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7094 REG_OK_FOR_INDEX_P): Delete documentation.
7096 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7098 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7099 from V7 to V9 for Solaris 7 and above.
7101 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7103 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7104 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7105 argument pointers may not alias any other storage.
7106 * common.opt: Define option -fargument-noalias-anything.
7107 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7108 alias semantics is specified by flag_argument_noalias > 2.
7110 2006-03-20 Jeff Law <law@redhat.com>
7112 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7113 (pass_phi_only_cprop): Declare.
7114 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7115 with phi_only_cprop
7116 * tree-ssa-dom.c (degenerate_phi_result): New function.
7117 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7118 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7119 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7120 (eliminate_degenerate_phis): Likewise.
7121 (pass_phi_only_cprop): New pass descriptor.
7122 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7123 support code. Callers updated.
7124 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7125 (store_copy_prop): Likewise.
7126 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7128 2006-03-20 Jason Merrill <jason@redhat.com>
7130 PR c++/21764
7131 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7132 (push_visibility, pop_visibility): Likewise.
7133 * c-pragma.h: Declare them.
7135 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7137 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7139 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7140 parameter and use get_ebb_head_tail.
7141 (sh_md_init_global): Adjust uses of find_regmode_weight.
7143 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7145 * function.h (struct function) <x_tail_recursion_reentry>:
7146 Rename to x_stack_check_probe_note.
7147 (tail_recursion_reentry): Rename to stack_check_probe_note.
7148 * function.c: Replace tail_recursion_reentry with
7149 stack_check_probe_note everywhere.
7150 (expand_function_start): Only emit a note for
7151 stack_check_probe_note with -fstack-protect.
7152 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7154 * emit-rtl.c (remove_unnecessary_notes): Remove.
7155 (pass_remove_unnecessary_notes): Remove.
7156 * rtl.h (remove_unnecessary_notes): Remove prototype.
7157 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7158 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7159 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7161 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7163 PR tree-opt/26629
7164 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7165 (valid_in_set): Handle ARRAY_REF.
7166 Change "if min_variant or VH" to asserts.
7167 (create_component_ref_by_pieces): Handle ARRAY_REF.
7168 (create_expression_by_pieces): Likewise.
7169 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7171 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7173 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7174 is operand of switch, not str[0].
7176 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7178 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7179 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7181 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7183 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7184 end of insn_extra_address_constraint declaration.
7186 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7188 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7189 (no-sum-in-toc): Same.
7190 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7191 variables.
7192 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7193 NO_FP_IN_TOC for -fPIC instead of mask.
7195 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7196 (BOOT_LDFLAGS): Delete.
7197 (LDFLAGS): Delete.
7198 * config/rs6000/t-aix52: Same.
7200 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7201 (stmsi[345678]_power): New.
7203 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7205 * config/ia64/ia64.opt: Add empty line to end of file.
7207 2006-03-17 Richard Guenther <rguenther@suse.de>
7209 PR middle-end/26721
7210 * builtins.c (get_pointer_alignment): For component style references
7211 adjust alignment to the component type alignment. Make sure
7212 to adjust alignment for component access of constants.
7214 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7216 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7217 unconditional jump.
7219 2006-03-17 Paul Brook <paul@codesourcery.com>
7221 * doc/install.texi: Docuemnt --with-mode.
7222 * config.gcc: Add --with-mode for arm*-*-*.
7223 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7225 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7227 * sh.c (max_labelno_before_reorg): New variable.
7228 (sh_reorg): Initialize it.
7229 (find_barrier): Check max_labelno_before_reorg before using
7230 label_to_alignment. Take length of explicit alignment insns
7231 into account. When seeing a UNSPECV_CONST_END, return it.
7233 * sh.c (fixup_mova): Set mode of affected label to QImode.
7234 (untangle_mova): New function.
7235 (find_barrier): Use it. Check mode of label before decrementing
7236 num_mova.
7237 (sh_reorg): Likewise.
7238 Set mode of all insns back to VOIDmode.
7240 * sh.c (MOVA_LABELREF): New macro.
7241 (mova_p, fixup_mova, sh_reorg): Use it.
7242 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7243 ADDR_DIFF_VEC matches mova.
7245 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7247 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7248 with ATTRIBUTE_UNUSED.
7250 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7252 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7253 pointer, instead of assuming it is possible to derive the
7254 correct args size from a call insn.
7256 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7258 * rtl.h (CONST_INT_P): Define.
7259 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7260 instead of GET_CODE(x) == CONST_INT.
7261 (vax_rtx_costs): Likewise.
7262 (vax_output_int_move): Likewise.
7263 (vax_output_int_add): Likewise.
7264 (legitimate_constant_address_p): Likewise.
7265 (index_term_p): Likewise.
7266 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7267 * config/vax/vax.md (and<mode>3): Likewise.
7268 (ashrsi3): Likewise.
7269 (extv): Likewise.
7270 (movstricthi): Likewise.
7271 (movstrictqi): Likewise.
7272 (rotrsi3): Likewise.
7273 (five unnamed insns): Likewise.
7275 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7277 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7278 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7279 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7280 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7281 Pass to ASM_OUTPUT_DWARF_OFFSET.
7282 * dwarf2out.c (debug_frame_section): New.
7283 (output_call_frame_info): Use debug_frame_section. Pass it to
7284 dw2_asm_output_offset.
7285 (output_die): Pass appropriate section to dw2_asm_output_offset.
7286 (output_compilation_unit_header): Likewise.
7287 (output_pubnames): Likewise.
7288 (output_aranges): Likewise.
7289 (enum dw_val_class): Break dw_val_class_lbl_offset into
7290 dw_val_class_lineptr and dw_val_class_macptr.
7291 (add_AT_lbl_offset): Delete.
7292 (add_AT_lineptr): New.
7293 (add_AT_macptr): New.
7294 (AT_lbl): Expect a lineptr or macptr.
7295 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7296 (attr_checksum): Likewise.
7297 (same_dw_val_p): Likewise.
7298 (size_of_die): Likewise.
7299 (value_format): Likewise.
7300 (output_die): Likewise.
7301 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7302 add_AT_lbl_offset.
7303 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7304 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7305 * config/darwin-protos.h (darwin_file_start): New.
7306 (darwin_asm_output_dwarf_offset): New.
7307 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7308 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7309 darwin_file_start.
7310 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7311 if not EH section; simplify.
7312 (darwin_file_start): New.
7313 (darwin_asm_output_dwarf_offset): New.
7314 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7315 mark as 'debug'.
7316 (DEBUG_INFO_SECTION): Likewise.
7317 (DEBUG_ABBREV_SECTION): Likewise.
7318 (DEBUG_ARANGES_SECTION): Likewise.
7319 (DEBUG_MACINFO_SECTION): Likewise.
7320 (DEBUG_LINE_SECTION): Likewise.
7321 (DEBUG_LOC_SECTION): Likewise.
7322 (DEBUG_PUBNAMES_SECTION): Likewise.
7323 (DEBUG_STR_SECTION): Likewise.
7324 (DEBUG_RANGES_SECTION): Likewise.
7325 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7326 (ASM_OUTPUT_DWARF_OFFSET): New.
7328 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7330 * config.gcc (tm_defines): Always add to previous value rather
7331 than replacing it.
7333 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7335 * config/mips/predicates.md (splittable_const_int_operand): New,
7336 split from move_operand.
7337 (splittable_symbolic_operand): New.
7338 (move_operand): Add commentary. Use splittable_const_int_operand.
7339 Inline mips_atomic_symbolic_constant_p.
7340 * config/mips/mips.md: Add combine splitters for handling moves
7341 of splittable_const_int_operands and splittable_symbolic_operands.
7342 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7343 (mips_split_symbol): Declare.
7344 (mips_move_integer): Declare.
7345 * config/mips/mips.c (mips_split_p): Make global.
7346 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7347 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7348 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7349 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7350 (mips_offset_within_object_p): Handle block symbols.
7351 (mips_atomic_symbolic_constant_p): Delete.
7352 (mips_cannot_force_const_mem): Return false for constants that
7353 mips_legitimize_move can handle.
7354 (mips_use_blocks_for_constant_p): New function.
7355 (mips_split_symbol): Make global.
7356 (mips_move_integer): Likewise. Add a temporary register argument.
7357 (mips_legitimize_const_move): Use splittable_const_int_operand and
7358 splittable_symbolic_operand.
7359 (mips_use_anchors_for_symbol_p): New function.
7360 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7361 (mips_split_p): Declare.
7363 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7365 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7366 (mips*-*-linux*): Likewise.
7368 2006-03-16 Roger Sayle <roger@eyesopen.com>
7369 Daniel Speyer <dspeyer@wam.umd.edu>
7371 PR middle-end/18259
7372 * tree-dump.c (dump_real): New function.
7373 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7374 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7375 (tree-dump.o): Add $(REAL_H) to the dependencies.
7377 2006-03-16 Roger Sayle <roger@eyesopen.com>
7379 PR middle-end/21781
7380 * real.c (real_from_string): If the mantissa is zero, don't bother
7381 parsing the exponent as the result should always be zero.
7383 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7385 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7387 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7389 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7390 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7391 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7392 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7393 ia64_sched_finish_global): New static functions to implement
7394 hooks from gcc_target.sched.
7395 (spec_check_no, max_uid, pending_data_specs): New static variables.
7396 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7397 ia64_spec_check_src_p): New static functions.
7398 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7399 (TARGET_SCHED_ADJUST_COST): Removed.
7400 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7401 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7402 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7403 TARGET_SCHED_GEN_CHECK,
7404 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7405 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7406 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7407 Fixed to handle speculation checks.
7408 (rtx_needs_barrier): Fixed to handle speculative loads and
7409 their checks.
7410 (ia64_variable_issue): Added code to count speculative loads and their
7411 checks.
7412 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7413 speculative loads.
7414 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7415 New enumerations.
7416 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7417 New constants.
7418 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7419 (ia64_reorg): Reset stops_p to NULL after it is freed.
7420 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7421 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7422 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7423 chk_a.
7424 (data_speculative, control_speculative, check_load): New attributes.
7425 (mov<mode>_advanced, mov<mode>_speculative,
7426 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7427 zero_extend<mode>di2_speculative,
7428 zero_extend<mode>di2_speculative_advanced): New patterns for
7429 data and control speculative loads.
7430 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7431 check loads.
7432 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7433 New pattern for data and control speculation checks.
7434 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7435 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7436 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7437 Auxiliary definitions for the patterns.
7438 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7439 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7440 constraints.
7441 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7442 for speculation.
7443 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7444 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7445 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7446 New resource constraints.
7447 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7448 for speculation.
7449 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7450 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7451 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7452 msched-in-control-spec, msched-ldc, msched-control-ldc,
7453 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7454 msched-prefer-non-control-spec-insns,
7455 msched-count-spec-in-critical-path): New flags to tune speculative
7456 scheduling.
7457 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7458 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7459 msched-in-control-spec, msched-ldc, msched-control-ldc,
7460 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7461 msched-prefer-non-control-spec-insns,
7462 msched-count-spec-in-critical-path): Document new flags.
7464 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7466 * target.h (struct spec_info_def): New opaque declaration.
7467 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7468 speculate_insn, needs_block_p, gen_check,
7469 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7470 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7471 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7472 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7473 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7474 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7475 gcc_target.sched.
7476 (TARGET_SCHED): Use new macros.
7477 * rtl.h (copy_DEPS_LIST_list): New prototype.
7478 * sched-int.h (struct sched_info): Change signature of new_ready field,
7479 adjust all initializations. New fields: add_remove_insn,
7480 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7481 region_head_or_leaf_p.
7482 (struct spec_info_def): New structure declaration.
7483 (spec_info_t): New typedef.
7484 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7485 recovery_block, orig_pat.
7486 (glat_start, glat_end): New variables declaraions.
7487 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7488 New access macros.
7489 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7490 DETACH_LIFE_INFO, USE_GLAT.
7491 (enum SPEC_SCHED_FLAGS): New enumeration.
7492 (NOTE_NOTE_BB_P): New macro.
7493 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7494 attach_life_info, debug_spec_status, check_reg_live): New functions.
7495 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7496 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7497 sched-ebb.c
7498 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7499 * ddg.c (get_block_head_tail): Adjust all uses.
7500 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7501 (sms_sched_info): Initialize new fields.
7502 (contributes_to_priority): Removed.
7503 * haifa-sched.c (params.h): New include.
7504 (get_block_head_tail): Adjust all uses.
7505 (ISSUE_POINTS): New macro.
7506 (glat_start, glat_end): New global variables.
7507 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7508 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7509 old_last_basic_block, before_recovery, current_sched_info_var,
7510 rgn_n_insns, luid): New static variables.
7511 (insn_cost1): New function. Move logic from insn_cost to here.
7512 (find_insn_reg_weight1): New function. Move logic from
7513 find_insn_reg_weight to here.
7514 (reemit_notes, move_insn, max_issue): Change signature.
7515 (move_insn1): Removed.
7516 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7517 extend_bb): New static functions to support extension of scheduler's
7518 data structures.
7519 (generate_recovery_code, process_insn_depend_be_in_spec,
7520 begin_speculative_block, add_to_speculative_block,
7521 init_before_recovery, create_recovery_block, create_check_block_twin,
7522 fix_recovery_deps): New static functions to support
7523 generation of recovery code.
7524 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7525 restore_bb_notes, move_block_after_check, move_succs): New static
7526 functions to support ebb scheduling.
7527 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7528 functions to support handling of register live information.
7529 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7530 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7531 add_jump_dependencies): New static functions.
7532 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7533 consistancy checking.
7534 (debug_spec_status): New function to call from debugger.
7535 (priority): Added code to handle speculation checks.
7536 (rank_for_schedule): Added code to distinguish speculative instructions.
7537 (schedule_insn): Added code to handle speculation checks.
7538 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7539 Fixed to handle ebbs.
7540 (move_insn): Added code to handle ebb scheduling.
7541 (max_issue): Added code to use ISSUE_POINTS of instructions.
7542 (choose_ready): Added code to choose between speculative and
7543 non-speculative instructions.
7544 (schedule_block): Added code to handle ebb scheduling and scheduling of
7545 speculative instructions.
7546 (sched_init): Initialize new variables.
7547 (sched_finish): Free new variables. Print statistics.
7548 (try_ready): Added code to handle speculative instructions.
7549 * lists.c (copy_DEPS_LIST_list): New function.
7550 * sched-deps.c (extend_dependency_caches): New function. Move logic
7551 from create_dependency_caches to here.
7552 (get_dep_weak, ds_merge): Make global.
7553 * genattr.c (main): Code to output prototype for
7554 dfa_clear_single_insn_cache.
7555 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7556 (output_dfa_clean_insn_cache_func): Code to output
7557 dfa_clear_single_insn_cache function.
7558 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7559 n_insns.
7560 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7561 Removed.
7562 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7563 New static variables.
7564 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7565 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7566 struct sched_info.
7567 (ebb_sched_info): Initialize new fields.
7568 (get_block_head_tail): Adjust all uses.
7569 (compute_jump_reg_dependencies): Fixed to use glat_start.
7570 (schedule_ebb): Code to remove unreachable last block.
7571 (schedule_ebbs): Added code to update register live information.
7572 * sched-rgn.c (region_sched_info): Initialize new fields.
7573 (get_block_head_tail): Adjust all uses.
7574 (last_was_jump): Removed. Adjust users.
7575 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7576 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7577 Implement new hooks.
7578 (check_dead_notes1): New static function.
7579 (struct region): New fields: dont_calc_deps, has_real_ebb.
7580 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7581 (BB_TO_BLOCK): Fixed to handle EBBs.
7582 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7583 (ebb_head): New static variable.
7584 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7585 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7586 new fields.
7587 (compute_dom_prob_ps): New assertion.
7588 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7589 global_live_at_start.
7590 (init_ready_list): New assertions.
7591 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7592 (new_ready): Add support for BEGIN_CONTROL speculation.
7593 (schedule_insns): Fixed code that updates register live information
7594 to handle EBBs.
7595 (schedule_region): Fixed to handle EBBs.
7596 (init_regions): Use extend_regions and check_dead_notes1.
7597 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7598 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7599 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7600 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7601 TARGET_SCHED_GEN_CHECK,
7602 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7603 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7604 * doc/invoke.texi (max-sched-insn-conflict-delay,
7605 sched-spec-prob-cutoff): Document.
7607 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7609 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7610 inter_tick, queue_index.
7611 (struct sched_info): Change signature of init_ready_list field.
7612 Adjust all initializations.
7613 (RESOLVED_DEPS): New access macro.
7614 (ready_add): Remove prototype.
7615 (try_ready): Add prototype.
7616 * sched-rgn.c (init_ready_list): Use try_ready.
7617 (schedule_region): Initialize
7618 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7619 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7620 (init_ready_list): Use try_ready.
7621 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7622 * lists.c (remove_list_elem): Remove `static'.
7623 (remove_free_INSN_LIST_elem): New function.
7624 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7625 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7626 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7627 New constants.
7628 (readyp): New variable.
7629 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7630 change_queue_index, resolve_dep): New static functions.
7631 (try_ready): New function. Adjust callers in sched-rgn.c and
7632 sched-ebb.c to use it instead of ready_add.
7633 (clock_var): Move at the begining of file.
7634 (rank_for_schedule): Fix typo.
7635 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7636 (ready_lastpos): Enforce assertion.
7637 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7638 update all callers.
7639 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7640 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7641 (queue_to_ready): Use free_INSN_LIST_list.
7642 (early_queue_to_ready): Fix typo.
7643 (schedule_block): Init readyp. Move init_ready_list call after the
7644 initialization of clock_var. Fix error in rejecting insn by
7645 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7646 that previously corrected INSN_TICKs. Add code for handling
7647 QUEUE_INDEX.
7648 (set_priorities): Fix typo.
7649 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7650 Clarify comment and code that keeps current_sched_info->next_tail
7651 non-null.
7653 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7655 * sched-rgn.c (extend_rgns): New static function.
7656 (find_rgns): Use it.
7657 (gather_region_statistics, print_region_statistics): New static
7658 functions.
7659 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7660 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7662 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7663 Andrey Belevantsev <abel@ispras.ru>
7665 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7666 * lists.c (unused_deps_list): New variable.
7667 (free_list): Add assertions to verify the proper distinguishing
7668 between INSN_LISTs and DEPS_LISTs.
7669 (find_list_elem, remove_list_elem, remove_list_node): New static
7670 functions.
7671 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7672 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7673 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7674 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7675 an INSN_LIST.
7676 (free_INSN_LIST_node): Likewise.
7677 * modulo-sched.c (current_sched_info): Initialize flags field.
7678 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7679 * rtl.def (DEPS_LIST): Define.
7680 * rtl.h: Declare new functions from lists.c.
7681 * sched-deps.c (spec_dependency_cache): New static variable.
7682 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7683 (add_dependence): Change return type to void. Move the logic to ...
7684 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7685 (delete_all_dependences): Add comment about forward_dependency_cache.
7686 Handle spec_dependency_cache. Handle DEPS_LISTs.
7687 (fixup_sched_groups): Clarify the change of priority of output
7688 and anti dependencies.
7689 (sched_analyze_2): Adjust add_dependence calls to create data
7690 speculative dependence.
7691 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7692 Adjust all callers. Handle DEPS_LISTS.
7693 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7694 presence of speculation.
7695 (init_dependency_caches, free_dependency_caches):
7696 Handle spec_dependency_cache.
7697 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7698 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7699 New static functions.
7700 (add_or_update_back_dep, add_or_update_back_forw_dep,
7701 add_back_forw_dep, delete_back_forw_dep): New functions.
7702 * sched-int.h (ds_t, dw_t): New typedefs.
7703 (struct sched_info): Add new field flags.
7704 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7705 Prototype new sched-deps.c functions.
7706 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7707 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7708 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7709 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7710 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7711 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7712 New constants.
7713 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7714 New enums.
7715 * sched-rgn.c (current_sched_info): Initialize flags field.
7716 (schedule_insns): Initialize current_sched_info before the sched_init
7717 call.
7718 * sched-ebb.c (current_sched_info): Initialize flags field.
7719 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7720 Call add_or_update_back_dep instead of add_dependence.
7721 Create control speculative dependencies.
7722 (schedule_insns): Initialize current_sched_info before the sched_init
7723 call.
7725 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7727 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7728 fs->signal_frame.
7729 (sh_fallback_frame_state): Likewise.
7731 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7733 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7734 Do switch on default_use_cxa_atexit.
7735 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7736 * config/darwin-crt3.o: New.
7737 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7738 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7739 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7740 OS version.
7741 * config/rs6000/t-darwin: Move crt2.o building to here.
7742 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7743 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7744 of __cxa_atexit.
7746 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7748 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7749 from '! xxx' to '!xxx' for coding-style conformance.
7750 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7751 (EXTRA_CONSTRAINT): Likewise.
7752 * config/vax/vax.md (four unnamed insns): Likewise.
7754 2006-03-15 Paul Brook <paul@codesourcery.com>
7756 * config/arm/arm.c (minipool_pad): New.
7757 (add_minipool_forward_ref): Include pool alignment padding in address
7758 calculation.
7759 (push_minipool_fix): Set minipool_pad.
7760 (minipool_pad): Ditto.
7762 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7764 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7765 instead of GET_CODE() == MEM and REG_P() instead of
7766 GET_CODE() == REG.
7767 (print_operand_address): Likewise.
7768 (vax_address_cost): Likewise.
7769 (vax_rtx_costs): Likewise.
7770 (vax_notice_update_cc): Likewise.
7771 (vax_output_int_add): Likewise.
7772 (INDEX_REGISTER_P): Likewise.
7773 (BASE_REGISTER_P): Likewise.
7774 (nonindexed_address_p): Likewise.
7775 (vax_mode_dependent_address_p): Likewise.
7776 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7777 (PRINT_OPERAND): Likewise.
7778 * config/vax/vax.md (ashlsi3): Likewise.
7779 (ashlsi3): Likewise.
7780 (some more unnamed insns): Likewise.
7782 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7784 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7785 iterator-style macro.
7786 (mark_control_dependent_edges_necessary): Update the use of
7787 EXECUTE_IF_CONTROL_DEPENDENT.
7789 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7791 * config/sh/predicates.md (cache_address_operand): Special.
7792 (ua_address_operand): Likewise.
7794 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7796 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7797 loop notes.
7798 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7800 2006-03-15 Andreas Schwab <schwab@suse.de>
7802 * gensupport.c (identify_predicable_attribute): Don't free p_false
7803 when it is still in use.
7805 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7807 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7808 the default setting here.
7810 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7812 * tree-pass.h (pass_cfg): Remove.
7813 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7814 * passes.c (pass_cfg): Don't run it.
7816 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7818 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7819 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7820 VEC(char,heap) *.
7821 (stack_regs_mentioned): Update the uses of
7822 stack_regs_mentioned_data. Don't access the array beyond its
7823 end.
7824 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7825 Don't include gt-reg-stack.h.
7827 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7828 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7830 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7832 PR middle-end/26684
7833 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7834 STACK_REGS.
7836 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7838 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7840 2006-03-14 Richard Guenther <rguenther@suse.de>
7842 PR tree-optimization/26672
7843 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7844 SSA form.
7846 2006-03-14 Richard Guenther <rguenther@suse.de>
7848 PR tree-optimization/26667
7849 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7850 node for the callees. Always allow inlining if it will shrink
7851 the function size.
7853 2006-03-14 Richard Guenther <rguenther@suse.de>
7855 PR middle-end/26659
7856 * builtins.c (get_pointer_alignment): Prefer alignment
7857 information from decls over that from types.
7859 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7861 PR target/26657
7862 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7864 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7866 * config/rs6000/rs6000.opt (mdlmzb): New option.
7867 (msched-prolog, msched-epilog): Use Var not Mask.
7868 * doc/invoke.texi (-mdlmzb): Document.
7869 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7870 MASK_SCHED_PROLOG.
7871 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7872 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7874 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7876 PR rtl-optimization/25739
7877 * bt-load.c (augment_live_range): Free tos pointer.
7879 * gensupport.c (identify_predicable_attribute): Free
7880 p_false pointer.
7881 * gcov.c (create_file_names): Free name pointer.
7883 2006-03-13 Roger Sayle <roger@eyesopen.com>
7885 PR middle-end/26557
7886 * stmt.c (emit_case_nodes): Handle the case where the index is a
7887 CONST_INT, where the comparison mode is specified by the index type.
7889 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7891 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7892 is defined.
7894 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7896 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7897 (*branch_fp_inverted): Likewise.
7899 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7901 PR middle-end/25989
7902 * omp-low.c (expand_omp_for_generic): Mark istart0
7903 and iend0 as addressable.
7905 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7907 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7909 2006-03-13 Jeff Law <law@redhat.com>
7911 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7912 virtual operands are interesting.
7913 (vrp_visit_stmt): Corresponding changes.
7915 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7917 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7918 of RETS.
7919 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7920 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7921 * config/bfin/crti.S: Use it instead of __PIC__.
7922 * config/bfin/crtn.S: Likewise.
7924 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7925 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7926 not if flag_pic.
7927 Lose 'G' modifier for call operand.
7928 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7929 recognize 'G' modifier.
7931 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7933 PR middle-end/18859
7934 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7935 * stmt.c (expand_case): Likewise.
7937 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7939 PR rtl-optimization/26254
7940 * loop-invariant.c (seq_insns_valid_p): New function.
7941 (move_invariant_reg): Only emit new code if it is valid.
7943 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7945 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7946 Removed.
7947 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7948 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7949 (commit_one_edge_insertion): Do not look for loop notes.
7951 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7953 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7954 flag_test_coverage out of loop.
7956 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7958 * final.c (shorten_branches): Remove outdated comment, and turn
7959 the if branch that guards it to continue.
7961 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7963 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7964 * cfgloop.h (struct loop): Remove unused fields.
7966 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7968 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7969 (-dL, -fdump-rtl-loop2): Update the dump file names
7971 * doc/invoke.texi: Update dump file names.
7973 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7975 * predict.c (estimate_probability): Remove.
7976 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7977 * basic-block.h (estimate_probability): Remove prototype.
7978 * passes.c (finish_optimization_passes): Dump branch prediction or
7979 profiling heuristics to the .profile tree dump.
7980 (init_optimization_passes): Unqueue pass_branch_prob.
7982 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7984 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7986 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7987 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7989 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7991 * function.h (frame_offset_overflow): Declare.
7992 * function.c (frame_offset_overflow): New function.
7993 (assign_stack_local_1): Call it to detect that the offset overflows.
7994 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7996 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7998 * config/sh/sh.c: Include alloc-pool.h.
7999 (label_ref_list_pool): New alloc pool.
8000 (label_ref_list_t): New type for lists of labels.
8001 (struct pool_node): Make wend a label_ref_list_t.
8002 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8003 references.
8004 (dump_table): Likewise.
8005 (sh_reorg): Set up the alloc pool before using add_constant and
8006 dump_table, and destroy it when finishing.
8008 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8010 * config/mips/mips.c: Remove redundant comment.
8012 2006-03-10 Jason Merrill <jason@redhat.com>
8014 PR c/26004
8015 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8016 the target was declared 'register'.
8018 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8020 * genpreds.c (write_insn_constraint_len): Change definition of
8021 insn_constraint_len to return size_t to match the declaration.
8023 2006-03-10 DJ Delorie <dj@redhat.com>
8025 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8026 start at zero.
8027 (m32c_expand_insv): Fix test for an AND mask.
8029 2006-03-10 Richard Guenther <rguenther@suse.de>
8031 PR middle-end/26565
8032 * builtins.c (get_pointer_alignment): Handle component
8033 references for field alignment.
8035 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8037 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8038 when building with libgloss.
8039 (sh*elf): Implement --without-fp option.
8040 (sh64-superh-linux*): Don't multilib.
8042 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8044 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8046 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8048 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8049 Set it when one of the replacement functions returned true.
8050 Return TODO_cleanup_cfg if cfgchanged is true.
8051 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8053 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8055 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8056 instead of gen_lowpart.
8058 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8060 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8061 interface.
8062 (mips_output_order_conditional_branch): Declare.
8063 * config/mips/mips.h (MIPS_BRANCH): New macro.
8064 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8065 for the comparison. Use gen_condjump.
8066 (mips_output_conditional_branch): Rework interface to take the
8067 asm templates for a direct branch and the inverse of a direct branch.
8068 (mips_output_order_conditional_branch): New function.
8069 (mips_builtin_branch_and_move): New function.
8070 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8071 branch condition. Use gen_single_cc as the condition for
8072 __builtin_mips_upper_* or __builtin_mips_lower_*.
8073 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8074 Use VOIDmode for the branch condition.
8075 * config/mips/predicates.md (order_operator): New predicate.
8076 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8077 (branch_fp): Rename to...
8078 (*branch_fp): ...this. Remove mode from comparison operator.
8079 Use new mips_output_conditional_branch interface.
8080 (branch_fp_inverted): Rename to...
8081 (*branch_fp_inverted): ...this and update as for *branch_fp.
8082 (*branch_zero<mode>): Rename to...
8083 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8084 Use mips_output_order_conditional_branch. Only accept ordered
8085 comparisons.
8086 (*branch_zero<mode>_inverted): Rename to...
8087 (*branch_order<mode>_inverted): ...this and update as for
8088 *branch_order<mode>.
8089 (*branch_equality<mode>): Accept zero as the second operand to
8090 the equality operator. Use the new mips_output_conditional_branch
8091 interface.
8092 (*branch_equality<mode>_inverted): Likewise.
8093 (condjump): New expander.
8094 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8095 operator.
8096 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8097 (bc1any2t, bc1any2f): Likewise.
8098 (single_cc): New expander.
8099 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8101 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8103 * doc/md.texi: Update documentation of MIPS constraints.
8104 * config/mips/constraints.md: New file.
8105 * config/mips/mips.md: Include it.
8106 * config/mips/mips.c (mips_char_to_class): Delete.
8107 (override_options): Don't initialize mips_char_to_class.
8108 * config/mips/mips.h (mips_char_to_class): Delete.
8109 (REG_CLASS_FROM_LETTER): Delete.
8110 (CONST_OK_FOR_LETTER_P): Delete.
8111 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8112 (EXTRA_CONSTRAINT_Y): Delete.
8113 (EXTRA_CONSTRAINT_STR): Delete.
8114 (CONSTRAINT_LEN): Delete.
8115 (EXTRA_MEMORY_CONSTRAINT): Delete.
8117 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8119 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8120 original fn's eh regions.
8122 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8124 * fold-const.c (build_range_check): Make sure to use a valid type to
8125 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8126 transformation.
8128 (range_predecessor): New static function.
8129 (range_successor): Likewise.
8130 (merge_ranges): Use them to compute predecessors and successors of
8131 range bounds.
8133 2006-03-09 Roger Sayle <roger@eyesopen.com>
8135 PR middle-end/26561
8136 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8137 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8139 2006-03-08 DJ Delorie <dj@redhat.com>
8141 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8142 (addpsi3): Expand to include memory operands. Remove
8143 reload-specific splits.
8144 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8145 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8146 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8147 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8148 (shift1_qi, shift1_hi, insv): New.
8149 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8150 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8151 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8152 cond_to_int): New.
8153 * config/m32c/m32c-protos.h: Update as needed.
8154 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8155 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8156 Fail for unrecognized R* constraints.
8157 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8158 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8159 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8160 Add Sp constraint.
8161 (m32c_init_libfuncs): New.
8162 (m32c_legitimate_address_p): Add debug wrapper.
8163 (m32c_rtx_costs): New.
8164 (m32c_address_cost): New.
8165 (conversions): Add 'B' prefix.
8166 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8167 operands, or word regnames for QI operands. 'B' prints bit
8168 position.
8169 (m32c_expand_setmemhi): New.
8170 (m32c_expand_movmemhi): New.
8171 (m32c_expand_movstr): New.
8172 (m32c_expand_cmpstr): New.
8173 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8174 (m32c_expand_neg_mulpsi3): Handle non-ints.
8175 (m32c_cmp_flg_0): New.
8176 (m32c_expand_movcc): New.
8177 (m32c_expand_insv): New.
8178 (m32c_scc_pattern): New.
8179 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8180 a0/a1 out of SIregs.
8181 (STORE_FLAG_VALUE): New.
8182 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8183 code macros.
8184 (no_insn): New.
8185 * config/m32c/mov.md: Make constraints more liberal.
8186 (zero_extendqihi2): Optimize r0/r1 case.
8187 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8188 * config/m32c/predicates.md (m32c_any_operand): New.
8189 (m32c_nonimmediate_operand): New.
8190 (m32c_hl_operand): New.
8191 (m32c_r3_operand): New.
8192 (ap_operand): New.
8193 (ma_operand): New.
8194 (memsym_operand): New.
8195 (memimmed_operand): New.
8196 (a_qi_operand): New.
8197 (m32c_eqne_operator): New.
8198 (m32c_1bit8_operand): New.
8199 (m32c_1bit16_operand): New.
8200 (m32c_1mask8_operand): New.
8201 (m32c_1mask16_operand): New.
8202 * config/m32c/blkmov.md: New file.
8203 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8205 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8207 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8208 unsigned to fix signed/unsigned comparison issue in
8209 DWARF2_FRAME_REG_OUT.
8210 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8211 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8213 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8214 of ptr into the ENABLE_CHECKING section.
8216 2006-03-08 Jeff Law <law@redhat.com>
8218 * tree-vrp.c (infer_value_range): Only count pointer uses
8219 and dereferences if -fdelete-null-pointer-checks is enabled.
8221 * tree-vrp.c (find_assert_locations): Infer value ranges for
8222 single use pointers, but do not create ASSERT_EXPRs for them.
8223 When a non-null range is inferred for a pointer, backwards
8224 propagate that range to other equivalent pointers through the
8225 use-def chain.
8227 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8229 PR bootstrap/26500
8230 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8231 language hook targets.
8232 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8233 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8234 if language hook targets were missing.
8236 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8238 * tree-ssa-opfinalize.h: Removed.
8239 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8240 dependency.
8241 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8242 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8243 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8244 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8245 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8246 finalize_ssa_v_must_def_ops): New.
8248 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8250 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8251 block as parameter.
8253 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8255 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8257 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8258 addresses with offsets; reorganize.
8260 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8261 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8262 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8264 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8266 PR target/26588
8267 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8269 2006-03-08 Ben Elliston <bje@au.ibm.com>
8271 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8273 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8275 PR gomp/26238
8276 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8277 expansion.
8279 2006-03-07 Richard Guenther <rguenther@suse.de>
8281 PR tree-optimization/26587
8282 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8284 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8286 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8288 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8290 * hooks.c (hook_bool_mode_rtx_true): New function.
8291 * hooks.h (hook_bool_mode_rtx_true): Declare.
8292 * toplev.c (compile_file): Call output_shared_constant_pool.
8293 * varasm.c (shared_constant_pool): New variable.
8294 (assemble_start_function, assemble_end_function): Remove arguments
8295 from call to output_constant_pool.
8296 (create_constant_pool): New function, split out from...
8297 (init_varasm_status): ...here.
8298 (force_const_mem): Choose between the shared and per-function constant
8299 pools. Set current_function_uses_const_pool when reusing old entries
8300 as well as when creating new ones.
8301 (mark_constant): Ignore data argument.
8302 (mark_constants): Remove pool argument.
8303 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8304 to decide whether the function uses a constant pool.
8305 (output_constant_pool_contents): New function, split out from...
8306 (output_constant_pool): ...here.
8307 (output_shared_constant_pool): New function.
8308 (init_varasm_once): Initialize shared_constant_pool.
8309 * output.h (output_constant_pool): Delete.
8310 (output_shared_constant_pool): Declare.
8311 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8312 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8314 2006-03-06 Nick Clifton <nickc@redhat.com>
8316 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8317 flag_strength_reduce.
8319 2006-03-06 Ben Elliston <bje@au.ibm.com>
8321 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8322 x86_64-*-linux* configurations.
8324 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8325 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8327 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8329 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8330 Remove.
8331 * basic-block.h: Remove the extern for
8332 rediscover_loops_after_threading.
8334 * cfgloop.c (cancel_loop): Make it static.
8335 * cfgloop.h: Remove the prototype for cancel_loop.
8337 * flow.c (recompute_reg_usage): Make it static.
8338 * rtl.h: Remove the prototype for recompute_reg_usage.
8340 * function.c (use_return_register): Make it static.
8341 * function.h: Remove the prototype.
8343 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8345 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8346 Remove.
8347 * recog.h: Remove the prototype for
8348 validate_change_maybe_volatile.
8350 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8352 * rtlanal.c (replace_reg): Remove.
8353 * rtl.h: Remove the prototype for replace_reg.
8355 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8357 * regclass.c (reg_scan_update): Remove.
8358 (reg_scan_mark_refs): Remove the last argument.
8359 * rtl.h: Remove the prototype for reg_scan_update.
8361 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8363 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8364 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8365 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8366 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8367 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8368 loop-invariant.c, omp-low.c, opts.c, passes.c,
8369 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8370 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8371 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8372 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8373 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8374 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8376 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8378 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8379 * dwarf2out.h: Remove the prototype for
8380 dwarf2out_add_library_unit_info.
8382 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8384 * tree.c (add_var_to_bind_expr): Remove.
8385 * tree.h: Remove the prototype for add_var_to_bind_expr.
8387 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8389 * regclass.c (n_non_fixed_regs): Remove.
8390 (init_reg_sets_1, globalize_reg): Remove all uses of
8391 n_non_fixed_regs.
8392 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8394 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8396 * rtlanal.c (insns_safe_to_move_p): Remove.
8397 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8399 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8401 * expmed.c (expand_mult_add): Remove.
8402 * expr.h: Remove the prototype for expand_mult_add.
8404 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8406 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8407 and REG_SAVED_VAL_EXP constants.
8408 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8409 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8410 Handle regs stored by value.
8411 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8412 (execute_cfa_program): Handle DW_CFA_val_offset,
8413 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8414 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8415 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8416 (uw_install_context_1): Handle target regs stored by value.
8418 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8420 * tree-sra.c (tree_sra): Return todoflags;
8421 (generate_one_element): Set TODO_update_smt_usage if needed.
8422 (pass_sra): Remove TODO_update_smt_usage.
8423 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8424 parameter.
8425 (tree_ssa_forward_propagate_single_use_vars): Return
8426 TODO_update_smt_usage if we need to update SMT usage.
8427 (pass_forwprop): Remove TODO_update_smt_usage.
8429 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8431 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8432 (correct_use_link): Remove reference to get_stmt_operands.
8433 (update_stmt_operands): Likewise.
8434 (get_modify_expr_operands): New function factored out of
8435 parse_ssa_operands and get_expr_operands.
8436 Try to create V_MUST_DEFs for LHS by default.
8437 (get_expr_operands) <case MODIFY_EXPR>: Call
8438 get_modify_expr_operands.
8439 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8440 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8441 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8442 get_modify_expr_operands.
8444 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8446 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8447 * tree-flow.h: Remove the prototype for
8448 referenced_var_lookup_if_exists.
8450 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8452 PR rtl-optimization/26345
8453 PR target/19061
8454 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8456 2006-03-03 Roger Sayle <roger@eyesopen.com>
8458 PR tree-optimization/26524
8459 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8460 fold_convert to create a constant of the appropriate type.
8462 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8464 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8465 SYMBOL_REF_IN_BLOCK_P.
8466 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8467 of SYMBOL_FLAG_IN_BLOCK.
8468 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8469 instead of SYMBOL_REF_IN_BLOCK_P.
8470 * explow.c (use_anchored_address): Likewise.
8471 * rtl.c (rtx_size): Likewise.
8472 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8473 instead of SYMBOL_FLAG_IN_BLOCK.
8474 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8475 SYMBOL_REF_IN_BLOCK_P.
8476 (assemble_variable): Likewise.
8477 (output_constant_def_contents): Likewise.
8478 (output_constant_pool): Likewise.
8479 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8480 instead of SYMBOL_FLAG_IN_BLOCK.
8481 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8482 SYMBOL_REF_IN_BLOCK_P.
8483 (SYMBOL_REF_BLOCK): Likewise.
8484 (SYMBOL_REF_OFFSET): Likewise.
8485 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8486 SYMBOL_REF_IN_BLOCK_P.
8487 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8488 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8489 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8490 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8492 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8494 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8496 2006-03-02 Roger Sayle <roger@eyesopen.com>
8498 * simplify-rtx.c (simplify_unary_operation): When simplifying
8499 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8500 that we perform the right shift in the appropriate mode, and
8501 then extend or truncate the result to requested mode.
8503 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8505 * gengtype.c (main): Handle double_int type.
8506 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8507 * double-int.c: New file.
8508 * double-int.h: New file.
8509 * system.h: Include doubleint.h.
8510 * Makefile.in (SYSTEM_H): Include double-int.h.
8511 (double-int.o): Add.
8513 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8515 PR bootstrap/26478
8516 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8517 copying over it.
8519 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8521 * tree-vrp.c (remove_range_assertions): Do not update statements
8522 unnecessarily.
8524 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8526 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8527 cleanup.
8528 * gcse.c (rest_of_handle_gcse): Ditto.
8529 * except.c (gate_handle_eh): Ditto.
8530 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8531 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8533 2006-03-02 Eric Christopher <echristo@apple.com>
8535 * config/i386/i386.c (machopic_output_stub): Add indirection to
8536 jump.
8538 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8540 * loop.c: Removed.
8542 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8544 Sun Niagara specific optimizations.
8545 * config.gcc: Recognize niagara as target.
8546 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8547 (TARGET_CPU_niagara): Define.
8548 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8549 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8550 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8551 (ASM_CPU_SPEC): Likewise.
8552 (PROCESSOR_NIAGARA): New enum entry.
8553 (REGISTER_MOVE_COST): Handle Niagara.
8554 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8555 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8556 (sparc_override_options): Recognize "niagara", set appropriate
8557 default MASK_* values for it, and align functions to 32-bytes
8558 by default just like ULTRASPARC/ULTRASPARC3.
8559 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8560 (sparc64_initialize_trampoline): Likewise.
8561 (sparc_use_sched_lookahead): Use zero for niagara.
8562 (sparc_issue_rate): Use one for niagara.
8563 * config/sparc/niagara.md: New file.
8564 * config/sparc/sparc.md: Include it.
8565 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8566 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8567 when default cpu is niagara.
8568 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8569 (ASM_CPU_SPEC): Likewise.
8570 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8571 when default cpu is niagara.
8572 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8573 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8574 just like v9/ultrasparc/ultrasparc3.
8575 * doc/invoke.texi: Add documentation for "niagara" and improve
8576 existing documentation for ultrasparc variants.
8578 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8580 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8582 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8584 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8585 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8586 and say that only one is needed.
8587 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8588 * target.h (have_switchable_bss_sections): New hook.
8589 * explow.c (use_anchored_address): Check that the symbol is in a block.
8590 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8591 (bss_noswitch_section): New variables.
8592 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8593 (get_noswitch_section): New function.
8594 (get_block_for_section): Allow SECT to be null.
8595 (unlikely_text_section_p): Use SECTION_STYLE.
8596 (bss_initializer_p): New function.
8597 (get_variable_section): Move earlier in file. Take a new argument,
8598 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8599 Return one of the new *_sections in such cases.
8600 (get_block_for_decl): New function, extracting some logic from
8601 use_blocks_for_decl_p.
8602 (change_symbol_section): Remove in favor of...
8603 (change_symbol_block): ...this new function.
8604 (use_blocks_for_decl_p): Remove checks now performed by
8605 get_block_for_decl.
8606 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8607 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8608 (emit_local, emit_bss, emit_common): ...these new functions.
8609 Return true if the alignment was honored.
8610 (emit_tls_common): New function.
8611 (asm_emit_uninitialised): Delete.
8612 (assemble_variable_noswitch): New function, split out from...
8613 (assemble_variable): ...here. Don't make decisions about common
8614 variables here. Globalize all public decls that go into non-common
8615 sections. Check whether SYMBOL_REF_BLOCK is null.
8616 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8617 (output_constant_pool): Likewise.
8618 (init_varasm_once): Initialize the new section variables.
8619 (have_global_bss_p): New function.
8620 (categorize_decl_for_section): Use bss_initializer_p.
8621 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8622 (place_block_symbol): Assert that the symbol must be in a block.
8623 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8624 (TARGET_INITIALIZER): Include it.
8625 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8626 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8627 (SECTION_MACH_DEP): Bump by two.
8628 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8629 (unnamed_section): Mention SECTION_UNNAMED in comment.
8630 (named_section): Likewise SECTION_NAMED.
8631 (noswitch_section_callback): New type.
8632 (noswitch_section): New structure.
8633 (section): Add a noswitch_section alternative.
8634 (SECTION_STYLE): New macro.
8635 (tls_comm_section, comm_section, lcomm_section): Declare.
8636 (bss_noswitch_section, have_global_bss_p): Declare.
8637 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8638 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8639 Override.
8640 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8641 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8642 Override.
8644 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8646 * tree-vrp.c (execute_vrp): Return value.
8647 * regrename.c (rest_of_handle_regrename): Ditto.
8648 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8649 * tree-complex.c (tree_lower_complex): Ditto.
8650 (tree_lower_complex_O0): Ditto.
8651 * tracer.c (rest_of_handle_tracer): Ditto.
8652 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8653 * postreload.c (rest_of_handle_postreload): Ditto.
8654 * tree-tailcall.c (execute_tail_recursion): Ditto.
8655 (execute_tail_calls): Ditto.
8656 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8657 * tree.h (init_function_for_compilation): Ditto.
8658 * ipa-cp.c (ipcp_driver): Ditto.
8659 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8660 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8661 * final.c (compute_alignments): Ditto.
8662 (rest_of_handle_final): Ditto.
8663 (rest_of_handle_shorten_branches): Ditto.
8664 (rest_of_clean_state): Ditto.
8665 * omp-low.c (execute_expand_omp): Ditto.
8666 (execute_lower_omp): Ditto.
8667 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8668 * ipa-reference.c (static_execute): Ditto.
8669 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8670 * reorg.c (rest_of_handle_delay_slots): Ditto.
8671 (rest_of_handle_machine_reorg): Ditto.
8672 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8673 * flow.c (recompute_reg_usage): Ditto.
8674 (rest_of_handle_remove_death_notes): Ditto.
8675 (rest_of_handle_life): Ditto.
8676 (rest_of_handle_flow2): Ditto.
8677 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8678 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8679 (do_ssa_store_ccp): Ditto.
8680 (execute_fold_all_builtins): Ditto.
8681 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8682 * modulo-sched.c (rest_of_handle_sms): Ditto.
8683 * ipa-pure-const.c (static_execute): Ditto.
8684 * cse.c (rest_of_handle_cse): Ditto.
8685 (rest_of_handle_cse2): Ditto.
8686 * web.c (rest_of_handle_web): Ditto.
8687 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8688 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8689 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8690 * tree-nrv.c (tree_nrv): Ditto.
8691 (execute_return_slot_opt): Ditto.
8692 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8693 (create_structure_vars): Ditto.
8694 * loop-init.c (rtl_loop_init): Ditto.
8695 (rtl_loop_done): Ditto.
8696 (rtl_move_loop_invariants): Ditto.
8697 (rtl_unswitch): Ditto.
8698 (rtl_unroll_and_peel_loops): Ditto.
8699 (rtl_doloop): Ditto.
8700 * gimple-low.c (lower_function_body): Ditto.
8701 (mark_used_blocks): Ditto.
8702 * tree-ssa-sink.c (execute_sink_code): Ditto.
8703 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8704 (cgraph_early_inlining): Ditto.
8705 * global.c (rest_of_handle_global_alloc): Ditto.
8706 * jump.c (cleanup_barriers): Ditto.
8707 (purge_line_number_notes): Ditto.
8708 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8709 (rest_of_handle_if_after_reload): Ditto.
8710 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8711 (tree_ssa_loop_im): Ditto.
8712 (tree_ssa_loop_unswitch): Ditto.
8713 (tree_vectorize): Ditto.
8714 (tree_linear_transform): Ditto.
8715 (tree_ssa_loop_ivcanon): Ditto.
8716 (tree_ssa_empty_loop): Ditto.
8717 (tree_ssa_loop_bounds): Ditto.
8718 (tree_complete_unroll): Ditto.
8719 (tree_ssa_loop_prefetch): Ditto.
8720 (tree_ssa_loop_ivopts): Ditto.
8721 (tree_ssa_loop_done): Ditto.
8722 * predict.c (tree_estimate_probability): Ditto.
8723 * recog.c (split_all_insns_noflow): Ditto.
8724 (rest_of_handle_peephole2): Ditto.
8725 (rest_of_handle_split_all_insns): Ditto.
8726 * tree-eh.c (lower_eh_constructs): Ditto.
8727 * regmove.c (rest_of_handle_regmove): Ditto.
8728 (rest_of_handle_stack_adjustments): Ditto.
8729 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8730 * function.c (instantiate_virtual_regs): Ditto.
8731 (init_function_for_compilation): Ditto.
8732 (rest_of_handle_check_leaf_regs): Ditto.
8733 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8734 (rest_of_handle_gcse): Ditto.
8735 * ipa-type-escape.c (type_escape_execute): Ditto.
8736 * alias.c (rest_of_handle_cfg): Ditto.
8737 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8738 * profile.c (rest_of_handle_branch_prob): Ditto.
8739 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8740 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8741 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8742 * tree-dfa.c (find_referenced_vars): Ditto.
8743 * except.c (set_nothrow_function_flags): Ditto.
8744 (convert_to_eh_region_ranges): Ditto.
8745 (rest_of_handle_eh): Ditto.
8746 * emit-rtl.c (unshare_all_rtl): Ditto.
8747 (remove_unnecessary_notes): Ditto.
8748 * except.h (set_nothrow_function_flags): Ditto.
8749 (convert_to_eh_region_ranges): Ditto.
8750 * cfgexpand.c (tree_expand_cfg): Ditto.
8751 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8752 * tree-ssa-pre.c (do_pre): Ditto.
8753 (execute_fre): Ditto.
8754 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8755 (rest_of_handle_jump2): Ditto.
8756 * tree-sra.c (tree_sra): Ditto.
8757 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8758 (execute_mudflap_function_decls): Ditto.
8759 * tree-ssa-copy.c (do_copy_prop): Ditto.
8760 (do_store_copy_prop): Ditto.
8761 * ipa-prop.h (ipcp_driver): Ditto.
8762 * cfglayout.c (insn_locators_initialize): Ditto.
8763 * tree-ssa-forwprop.c
8764 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8765 * cfglayout.h (insn_locators_initialize): Ditto.
8766 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8767 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8768 (execute_late_warn_uninitialized): Ditto.
8769 * rtl.h (cleanup_barriers): Ditto.
8770 (split_all_insns_noflow): Ditto.
8771 (purge_line_number_notes): Ditto.
8772 (unshare_all_rtl): Ditto.
8773 (remove_unnecessary_notes): Ditto.
8774 (recompute_reg_usage): Ditto.
8775 (variable_tracking_main): Ditto.
8776 * integrate.c (emit_initial_value_sets): Ditto.
8777 * integrate.h (emit_initial_value_sets): Ditto.
8778 * tree-optimize.c (execute_free_datastructures): Ditto
8779 (execute_free_cfg_annotations): Ditto.
8780 (execute_fixup_cfg): Ditto.
8781 (execute_cleanup_cfg_pre_ipa): Ditto.
8782 (execute_cleanup_cfg_post_optimizing): Ditto.
8783 (execute_init_datastructures): Ditto.
8784 * tree-object-size.c (compute_object_sizes): Ditto.
8785 * combine.c (rest_of_handle_combine): Ditto.
8786 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8787 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8788 (rest_of_handle_reorder_blocks): Ditto.
8789 (rest_of_handle_partition_blocks): Ditto.
8790 * var-tracking.c (variable_tracking_main): Ditto.
8791 * tree-profile.c (tree_profiling): Ditto.
8792 * tree-vect-generic.c (expand_vector_operations): Ditto.
8793 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8794 * sched-rgn.c (rest_of_handle_sched): Ditto.
8795 (rest_of_handle_sched2): Ditto.
8796 * basic-block.h (free_bb_insn): Ditto.
8797 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8798 * tree-cfg.c (execute_build_cfg): Ditto.
8799 (remove_useless_stmts): Ditto.
8800 (split_critical_edges): Ditto.
8801 (execute_warn_function_return): Ditto.
8802 (execute_warn_function_noreturn): Ditto.
8803 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8804 * cfgrtl.c (free_bb_for_insn): Ditto.
8805 * passes.c (execute_one_pass): Run additional
8806 todos returned by execute function.
8807 * tree-pass.h (struct tree_opt_pass): Make execute
8808 return a value.
8810 2006-03-02 Richard Guenther <rguenther@suse.de>
8812 * tree-ssa-alias.c (find_used_portions): Consider taking
8813 the address as making the variable not write-only.
8815 2006-03-02 Nick Clifton <nickc@redhat.com>
8817 * config.gcc (default_use_cxa_atexit): Extend the description of
8818 this configure variable. Set its default value to "yes" for
8819 Linux, NetBSD and ELF targets on the assumption that they will
8820 use C libraries with the __cxa_atexit function.
8822 2006-03-02 Ben Elliston <bje@au.ibm.com>
8824 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8825 parameter as unused to suppress a build warning.
8827 2006-03-02 Ben Elliston <bje@au.ibm.com>
8829 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8830 config/dfp-bit.c.
8832 2006-03-01 Roger Sayle <roger@eyesopen.com>
8834 PR other/26489
8835 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8836 declared name, the weak reference name, and the typeof name.
8837 (__gthrw): Avoid expanding the declared name suffix.
8838 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8840 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8842 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8843 from DWARF 3.
8844 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8845 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8846 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8847 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8848 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8849 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8850 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8851 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8852 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8853 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8854 (DW_END_default, DW_END_big, DW_END_little): New.
8855 (DW_END_lo_user, DW_END_hi_user): Define.
8856 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8857 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8858 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8859 DW_LANG_D): New.
8861 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8863 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8864 Update all users.
8865 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8866 Update all users.
8867 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8868 Update all users.
8869 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8870 Update all users.
8871 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8872 to 'symbol_mem_tag'.
8873 Update all users.
8874 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8875 rename.
8877 2006-03-01 Roger Sayle <roger@eyesopen.com>
8879 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8881 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8883 PR target/25761
8884 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8885 MACHO_DYNAMIC_NO_PIC_P.
8886 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8888 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8890 PR target/26389
8891 * config/darwin-protos.h (darwin_asm_output_anchor):
8892 Declare.
8893 * config/darwin-sections.def (cstring_section):
8894 Add SECTION_MERGE to the flags.
8895 (literal4_section): Likewise.
8896 (literal8_section): Likewise.
8897 (objc_selector_refs_section): Likewise.
8898 (objc_cls_refs_section): Likewise.
8899 * config/darwin.c (darwin_asm_output_anchor): New
8900 function.
8901 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8903 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8905 Fix PR tree-optimization/26443
8906 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8907 to todo and PROP_tmt_usage to properties_destroyed.
8908 * tree-ssa-ccp.c (pass_ccp): Ditto.
8909 (pass_store_ccp): Ditto.
8910 * tree-ssa-dom.c (pass_dominator): Ditto.
8912 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8914 * tree-ssa-operands.c: Cleanup whitespace.
8915 (get_asm_expr_operands): Move before first invocation.
8916 (get_indirect_ref_operands): Likewise.
8917 (get_tmr_operands): Likewise.
8918 (get_call_expr_operands): Likewise.
8919 (append_def): Likewise.
8920 (append_use): Likewise.
8921 (append_v_may_def): Likewise.
8922 (append_v_must_def): Likewise.
8923 (add_call_clobber_ops): Likewise.
8924 (add_call_read_ops): Likewise.
8925 (add_stmt_operand): Likewise.
8926 (add_virtual_operand): Likewise.
8927 (build_ssa_operands): Likewise.
8929 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8931 PR middle-end/26022
8932 Revert:
8933 PR middle-end/24437
8934 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8935 with a call expr to ...
8936 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8938 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8940 * tree-vrp.c (extract_range_from_assert): Remove special
8941 handling for types with super-types.
8943 2006-03-01 Ben Elliston <bje@au.ibm.com>
8945 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8946 and powerpc64-*-linux* configurations.
8947 * config/t-dfprules: New file.
8949 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8950 Compile dfp-bit.c from the source directory using -DWIDTH and
8951 $DFP_CFLAGS to control the compilation of that file, rather than
8952 generating width-specific versions in the build directory.
8953 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8954 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8956 2006-02-28 Zack Weinberg <zackw@panix.com>
8958 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8959 continues to work.
8961 2006-02-28 Eric Christopher <echristo@apple.com>
8963 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8964 Set up IN_LIBGCC definition of TARGET_64BIT.
8965 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8967 2006-02-28 Roger Sayle <roger@eyesopen.com>
8969 PR middle-end/14752
8970 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8971 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8972 cases via the construction of "expr != 0".
8974 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8976 * alias.c (alias_invariant, alias_invariant_size): Remove.
8977 (record_base_value): Remove.
8978 (memrefs_conflict_p): Don't look at alias_invariant.
8979 (end_alias_analysis): Don't free it.
8980 * alias.h (record_base_value): Remove prototype.
8982 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8983 Adam Nemet <anemet@caviumnetworks.com>
8985 * rtl.h (truncated_to_mode): Declare it.
8986 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8987 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8988 (RTL_HOOKS_INITIALIZER): Include it.
8989 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8990 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8991 reg_truncated_to_mode.
8992 * rtlanal.c (truncated_to_mode): Define it.
8993 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8995 2006-02-28 Jeff Law <law@redhat.com>
8997 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8998 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8999 the range allowed by TYPE_PRECISION.
9001 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9003 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9005 PR tree-optimization/26419
9006 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9007 values of n.
9009 2006-02-27 Zack Weinberg <zackw@panix.com>
9011 * doc/md.texi: Fix typo in previous change.
9013 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9015 * df.c: Remove.
9017 2006-02-27 Zack Weinberg <zackw@panix.com>
9019 * rtl.def (define_constraint, define_register_constraint)
9020 (define_memory_constraint, define_address_constraint): New MD forms.
9021 * gensupport.c (process_rtx): Put define_constraint etc on the
9022 predicate queue.
9023 * genpreds.c (process_define_predicate): Adjust comment. Validate
9024 the name, and call validate_exp to validate the expression.
9025 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9026 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9027 all callers changed.
9028 (validate_exp, needs_variable, struct constraint_data)
9029 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9030 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9031 (const_dbl_constraints, constraint_max_namelen)
9032 (have_register_constraints, have_memory_constraints)
9033 (have_address_constraints, have_address_constraints)
9034 (have_extra_constraints, have_const_int_constraints)
9035 (have_const_dbl_constraints, mangle, add_constraint)
9036 (process_define_constraint, process_define_register_constraint)
9037 (write_enum_constraint_num, write_lookup_constraint)
9038 (write_insn_constraint_len, write_regclass_for_constraint)
9039 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9040 (write_insn_extra_memory_constraint)
9041 (write_insn_extra_address_constraint)
9042 (write_satisfies_constraint_fns): New.
9043 (write_tm_preds_h): If we have new-style constraint definitions,
9044 prototype the functions generated from them, and define the
9045 old constraint interface (still used by generic code) in terms of
9046 those functions.
9047 (write_insn_preds_c): If we have new-style constraint definitions,
9048 generate all relevant functions from those definitions.
9049 (main): Handle define_constraint etc.
9050 * genoutput.c (struct constraint_data, indep_constraints)
9051 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9052 (mdep_constraint_len): New data structures and functions, defined
9053 #ifdef USE_MD_CONSTRAINTS.
9054 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9055 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9056 use new logic to validate operand constraints against constraint
9057 definitions.
9058 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9059 defined.
9060 * defaults.h: If none of the old-style constraint macros are
9061 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9062 old-style macros; and poison REG_CLASS_FROM_LETTER,
9063 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9064 EXTRA_CONSTRAINT.
9065 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9066 * doc/md.texi: Document new constraint-definition mechanism and the
9067 C interface it provides. Remove references to old mechanism
9068 elsewhere in the document.
9069 (Machine Constraints): Use pathnames relative to gcc directory,
9070 i.e. config/ARCH/FILE. Change i386 section to refer to
9071 config/i386/predicates.md; update that section to match docstrings.
9072 * doc/tm.texi: Move all documentation of the old constraint-
9073 definition macros to their own section, clearly mark as obsolete.
9075 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9076 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9077 definitions.
9078 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9079 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9080 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9081 constraint strings.
9082 (splits and peepholes): Use satisfies_constraint_*.
9083 * config/i386/i386.c (memory_address_length)
9084 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9086 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9088 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9089 scalar operation to be put back into the loop.
9091 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9093 PR other/26208
9094 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9095 (extract_cie_info): Handle S flag in augmentation string.
9096 (execute_cfa_program): If context->signal_frame, execute also
9097 fs->pc == context->ra instructions.
9098 (uw_frame_state_for): If context->signal_frame, don't subtract one
9099 from context->ra to find FDE.
9100 (uw_update_context_1): Set context->signal_frame to
9101 fs->signal_frame.
9102 (_Unwind_GetIPInfo): New function.
9103 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9104 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9105 of _Unwind_GetIP.
9106 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9107 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9108 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9109 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9110 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9111 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9112 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9113 x86_64_fallback_frame_state): Set fs->signal_frame.
9114 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9115 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9116 (frob_update_context): Likewise. Workaround missing S flag in
9117 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9118 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9119 Remove the psw_addr + 1 hack.
9121 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9123 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9124 with aggregates here.
9125 (find_func_aliases): Remove code for &<aggregate> from here.
9127 2006-02-26 Roger Sayle <roger@eyesopen.com>
9129 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9130 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9131 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9132 as (X & C) ne/eq 0.
9134 2006-02-26 Roger Sayle <roger@eyesopen.com>
9136 PR middle-end/19983
9137 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9139 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9141 * opts.c (decode_options): Do not handle flag_strength_reduce.
9142 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9143 and OPT_fstrength_reduce.
9144 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9145 flag_prefetch_loop_arrays for being nonzero.
9146 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9147 no-ops.
9148 (fprefetch-loop-arrays-rtl): Removed.
9149 (flag_prefetch_loop_arrays): Do not specify the value.
9151 * doc/passes.texi: Update documentation of loop optimizer
9152 passes.
9153 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9154 -frerun-loop-opt): Remove.
9156 2006-02-26 Richard Guenther <rguenther@suse.de>
9158 PR tree-optimization/26421
9159 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9160 in function calls that are ADDR_EXPRs as using the whole structure.
9162 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9164 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9165 * tree-pass.h (pass_loop_optimize): Remove.
9166 * passes.c (pass_loop_optimize): Never run it.
9167 * toplev.c (backend_init): Don't call init_loop.
9168 * opts.c (flag_loop_optimize_set): Remove.
9169 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9170 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9171 the old RTL loop optimizer when profiling enabled.
9172 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9173 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9174 pre-headers for the sake of the old RTL loop optimizer.
9175 * Makefile.in: Remove all references to loop.o.
9177 * doc/invoke.texi: Remove all references to -floop-optimize
9178 and -frerun-loop-opt.
9180 2006-02-26 Zack Weinberg <zackw@panix.com>
9182 * doc/md.texi (Machine Constraints): Refer to all files with paths
9183 relative to gcc directory (i.e. config/CPU/file). Add missing
9184 @table @code ... @end table to M32C subsection.
9186 2006-02-26 Roger Sayle <roger@eyesopen.com>
9188 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9189 (X & 1) == 0.
9190 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9192 2006-02-26 Roger Sayle <roger@eyesopen.com>
9193 James A. Morrison <phython@gcc.gnu.org>
9195 PR middle-end/21137
9196 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9197 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9198 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9199 signedness of the shift operation.
9201 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9203 PR tree-optimization/26359
9204 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9206 2006-02-25 Roger Sayle <roger@eyesopen.com>
9208 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9209 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9210 as X == 0, and some symmetry related transformations.
9211 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9213 2006-02-25 Roger Sayle <roger@eyesopen.com>
9215 PR middle-end/23673
9216 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9217 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9218 symmetry related transformations. Fold (X^C1) == C2 as
9219 X == (C1^C2).
9221 2006-02-25 Juergen Weigert <jw@suse.de>
9222 Richard Guenther <rguenther@suse.de>
9224 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9226 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9228 * combine.c (gen_lowpart_or_truncate): Call
9229 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9231 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9233 * doc/invoke.texi: Move -fopenmp description to "Options for
9234 Code Generation".
9235 Remove reference to -lgomp.
9237 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9239 * doc/install.texi: Require GNU tar version 1.14.
9241 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9243 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9244 * doc/invoke.texi (C++ Dialect Options): Document
9245 -fno-use-cxa-get-exception-ptr.
9246 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9247 * configure: Regenerate.
9248 * c.opt (fuse-cxa-get-exception-ptr): New.
9249 * c-opts.c (c_common_handle_option): Handle
9250 OPT_fuse_cxa_get_exception_ptr.
9251 * c-common.c (flag_use_cxa_atexit): Update documentation.
9252 (flag_use_cxa_get_exception_ptr): New.
9253 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9254 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9255 documentation.
9256 (C_COMMON_OVERRIDE_OPTIONS): New.
9258 2006-02-24 Roger Sayle <roger@eyesopen.com>
9260 PR middle-end/24952
9261 * combine.c (try_combine): Explicitly check whether GET_CODE is
9262 a SET or a CLOBBER, instead on checking that it isn't a USE.
9264 2006-02-24 Roger Sayle <roger@eyesopen.com>
9266 * fold-const.c (fold_comparison): New subroutine of fold_binary
9267 containing transformations common to both the equality and
9268 ordering relational operators, factored out of fold_binary.
9269 (fold_binary): Separate out the equality operators (EQ_EXPR
9270 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9271 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9272 transformations common to both.
9273 (fold_div_compare): Fix latent bugs in the previously unreachable
9274 LT_EXPR and GE_EXPR cases.
9276 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9278 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9279 decl libname for clog to __clog on AIX.
9281 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9283 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9285 PR target/26453
9286 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9287 output traceback table for thunks. Localise rs6000_stack_info call.
9289 2006-02-23 Roger Sayle <roger@eyesopen.com>
9290 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9292 * gthr-posix.h (__gthrw): Fix typo in comment.
9294 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9296 * doc/cpp.texi (Character sets): Document that we do support
9297 input files to be in any character set.
9299 2006-02-23 Jeff Law <law@redhat.com>
9301 * tree.h (PHI_ARG_NONZERO): Remove.
9302 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9303 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9304 node to the new node.
9306 PR tree-optimization/26425
9307 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9308 min/max, then assume its varying.
9310 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9312 PR rtl-optimization/26316
9313 * rtlanal.c (enum may_trap_p_flags): New.
9314 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9315 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9316 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9317 (may_trap_after_code_motion_p): New function.
9318 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9319 (find_invariant_insn): Use may_trap_after_code_motion_p.
9320 * rtl.h (may_trap_after_code_motion_p): Declare.
9322 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9324 * emit-rtl.c (immed_double_const): Cleanup.
9326 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9328 Fix PR tree-optimization/26376
9329 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9330 remove assert.
9332 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9334 PR middle-end/26412
9335 * gimplify.c (omp_add_variable): Guard variable size decl test with
9336 DECL_SIZE (decl) check.
9338 2006-02-23 Richard Guenther <rguenther@suse.de>
9340 PR middle-end/26439
9341 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9342 like aggregate types.
9344 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9346 * configure.ac: Add --with{,out}-long-double-128 configure option.
9347 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9348 * configure: Rebuilt.
9349 * config.in: Rebuilt.
9350 * doc/install.texi (Options specification): Document
9351 --with-long-double-128.
9353 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9354 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9355 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9356 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9358 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9360 * config/s390/s390.c (override_options): Handle
9361 TARGET_DEFAULT_LONG_DOUBLE_128.
9363 * config/alpha/alpha.c (override_options): Handle
9364 TARGET_DEFAULT_LONG_DOUBLE_128.
9366 * config/sparc/sparc.c (sparc_override_options): Handle
9367 TARGET_DEFAULT_LONG_DOUBLE_128.
9369 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9371 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9372 (real-install-headers-tar, real-install-headers-cpio)
9373 (real-install-headers-cp): New targets.
9375 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9377 * tree.h (variable_section): Delete.
9378 * varasm.c (variable_section): Delete.
9380 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9382 * install.texi: Add notes on install.texi2html.
9383 (Building in parallel): Do not use footnotes.
9385 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9387 PR libgomp/26234
9388 * doc/install.texi (Configuration): Document --disable-libgomp.
9390 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9392 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9394 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9396 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9397 (vec_extractv2df_0_sse): New.
9399 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9401 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9402 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9403 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9404 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9405 to the result of the expression.
9406 (def_cfa_1): Adjust.
9407 (frame_pointer_cfa_offset): Rename to...
9408 (frame_pointer_fb_offset): ... this. Adjust all uses.
9409 (convert_cfa_to_loc_list): Rename to...
9410 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9411 Pass it on to build_cfa_loc.
9412 (compute_frame_pointer_to_cfa_displacement): Rename to...
9413 (compute_frame_pointer_to_fb_displacement): ... this. New
9414 offset parameter. Use it in computation.
9415 (gen_subprogram_die): Compute cfa_fb_offset with the new
9416 macro, and use it to compute the fb loc list and the
9417 displacement.
9419 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9421 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9422 replaced with register_operand.
9423 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9424 non-DREG is expensive.
9425 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9426 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9427 involving memory.
9429 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9431 * doc/install.texi2html: Use set -e.
9433 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9435 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9436 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9437 * doc/invoke.texi (-fshared-data): Delete.
9438 * common.opt (fshared-data): Delete.
9439 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9440 (assemble_static_space): Remove #if 0 code.
9441 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9442 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9443 * config/cris/cris.h: Remove FIXME.
9445 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9447 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9448 hooks.
9450 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9452 PR middle-end/26379
9453 * combine.c (simplify_shift_const_1): Disable nested shifts
9454 optimization for vector shifts.
9456 2006-02-20 Roger Sayle <roger@eyesopen.com>
9458 PR tree-optimization/26361
9459 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9460 of unsigned integer types.
9462 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9464 * tree-chrec.c (eq_evolutions_p): New.
9465 * tree-chrec.h (eq_evolutions_p): Declared.
9466 * tree-data-ref.c: Fix formatting.
9467 (datadep_stats, dependence_stats): New.
9468 (gcd): Moved...
9469 (print_direction_vector): New.
9470 (dump_data_dependence_relation): Use print_direction_vector.
9471 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9472 (compute_subscript_distance): Static.
9473 (initialize_data_dependence_relation): Static. Get the number
9474 of loops surrounding the references from the callers, and initialize
9475 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9476 base_object_differ_p analyzers.
9477 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9478 compute_overlap_steps_for_affine_1_2,
9479 analyze_subscript_affine_affine): Count the classified dependences.
9480 Print a message when a test failed.
9481 (can_use_analyze_subscript_affine_affine): New.
9482 (analyze_siv_subscript): Compute the data dependences on symbolic
9483 scevs that verify can_use_analyze_subscript_affine_affine.
9484 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9485 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9486 Handle symbolic scevs.
9487 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9488 analyzed.
9489 (subscript_dependence_tester): Moved...
9490 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9491 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9492 DDR_SIZE_VECT instead of getting it in parameter.
9493 (subscript_dependence_tester): ... here. Take as a parameter
9494 loop_nest_depth. Call build_classic_dist_vector and
9495 build_classic_dir_vector.
9496 (compute_affine_dependence): Update subscript_dependence_tester
9497 parameters. Update datadep_stats counters. Call
9498 compute_subscript_distance.
9499 (compute_self_dependence): Save the dist and dir vectors. Call
9500 compute_subscript_distance.
9501 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9502 (compute_all_dependences): Reorder parameters as they were before
9503 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9504 compute_subscript_distance. Update the use of
9505 compute_affine_dependence and initialize_data_dependence_relation.
9506 (find_data_references_in_loop): Handle COMPONENT_REF.
9507 (compute_data_dependences_for_loop): Initialize dependence_stats.
9508 Don't call build_classic_dist_vector and build_classic_dir_vector.
9509 Update the parameters of initialize_data_dependence_relation and
9510 compute_all_dependences. Print the statistics from datadep_stats.
9511 (analyze_all_data_dependences): Static. Not used until the pass for
9512 checking the data dependences is contributed.
9513 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9514 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9515 (initialize_data_dependence_relation, compute_affine_dependence,
9516 analyze_all_data_dependences, compute_subscript_distance): Removed.
9517 (print_direction_vector): New.
9518 * lambda.h (gcd): ... here.
9519 (lambda_vector_gcd): Moved here from gcd_vector.
9520 * lambda-code.c (gcd, gcd_vector): Removed.
9521 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9522 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9524 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9526 * ipa-type-escape.c: Tidy some comments and white space.
9527 * tree-ssa-operands.c: Likewise.
9529 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9531 PR tree-opt/25879
9532 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9533 (dump_decl_name): Do not walk the decl tree chains.
9534 * tree-pass.h (TDF_CHAIN): Remove.
9536 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9538 * Makefile.in (C): Remove
9539 (PROTO): Remove
9540 (.PHONY): Remove C and PROTO
9542 2006-02-20 Roger Sayle <roger@eyesopen.com>
9544 PR middle-end/26236
9545 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9546 deprecated CHAR_TYPE tree code.
9548 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9550 * configure.ac (target_list): Add install-info, dvi, html.
9551 * configure: Regenerate.
9553 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9554 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9555 treelang/Make-lang.in: Do not use double-colon rules.
9557 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9559 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9560 (TMT_USED_ALONE): New macro.
9561 * tree-pass.h (PROP_tmt_usage): New property.
9562 (TODO_update_tmt_usage): New todo.
9563 * tree-ssa-alias.c (updating_used_alone): New variable.
9564 (recalculate_used_alone): New function.
9565 (compute_may_aliases): Set updating_used_alone, call
9566 recalculate_used_alone.
9567 * tree-sra.c (pass_sra): Note that this pass destroys
9568 PROP_tmt_usage, and add TODO_update_tmt_usage.
9569 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9570 * tree-flow.h (updating_used_alone): Prototype.
9571 (recalculate_used_alone): Ditto.
9572 * passes.c (execute_todo): Add code to set updating_used_alone,
9573 and call recalculate.
9574 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9575 for clobber if used alone, and add assert to verify used_alone
9576 status.
9578 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9580 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9581 for non tls symbols added.
9582 (legitimize_address): Do nothing for PLUS expressions if one of the
9583 addends is a tls symbol reference.
9585 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9587 PR bootstrap/25476
9589 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9591 * Makefile.in (BOOTSTRAPPING): New.
9592 (quickstrap): New definition if BOOTSTRAPPING=yes.
9594 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9595 * configure.ac: Substitute all_selected_languages with the languages
9596 that were configured. For all the other variables except
9597 lang_specs_files, include all the languages in the tree.
9598 * configure: Regenerate.
9600 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9601 if there is one. Run the commands to run fixincludes in the same
9602 subshell.
9604 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9605 * doc/install.texi: Document exact conventions for searching target tools.
9606 Document --with-build-time-tools. Document toplevel bootstrap. Document
9607 something more about building an Ada cross-compiler. Don't list GNU Make
9608 requirements which affect all platforms.
9610 2006-02-19 Roger Sayle <roger@eyesopen.com>
9612 PR middle-end/19543
9613 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9614 only equivalent if the have both the same mode and precision.
9616 2006-02-20 Ben Elliston <bje@au.ibm.com>
9618 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9620 2006-02-19 Roger Sayle <roger@eyesopen.com>
9621 Steven Bosscher <stevenb.gcc@gmail.com>
9623 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9624 constant pool references to identify stack mode constants.
9625 * rtlanal.c (constant_pool_constant_p): New predicate to check
9626 whether operand is a floating point constant in the pool.
9627 * rtl.h (constant_pool_constant_p): Prototype here.
9628 * loop.c (scan_loop): Avoid hoisting constants from the constant
9629 pool on STACK_REGS targets.
9630 (load_mems): Likewise.
9631 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9632 loads into x87 registers expensive in terms of register pressure.
9634 2006-02-19 Roger Sayle <roger@eyesopen.com>
9636 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9637 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9639 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9641 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9642 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9644 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9646 * doc/invoke.texi: Document -fipa-pta.
9647 * common.opt: Add ipa-pta option.
9648 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9649 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9650 (do_ds_constraint): Ditto.
9651 (get_constraint_for): Only add to referenced_vars if
9652 referenced_vars exists.
9653 (insert_into_field_list): Rewrite to do this unsorted.
9654 (insert_into_field_list_sorted): Rename old insert_into_field_list
9655 to this.
9656 (create_function_info_for): Use insert_into_field_list_sorted.
9657 (create_variable_info_for): Rewrite so it uses unsorted version,
9658 since the field list is sorted.
9659 (intra_create_variable_infos): Only add to referenced_vars if
9660 referenced_vars exists.
9661 (ipa_pta_execute): Init heapvars, and delete when done.
9662 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9664 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9666 * doc/install.texi: Add missing `@samp'.
9668 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9670 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9671 Use the arguments.
9673 2006-02-18 Mark Wielaard <mark@klomp.org>
9675 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9676 who added new 4.1 features, bug fixes and integration support.
9678 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9680 PR target/26350
9681 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9682 MEM for ABI_V4 pic.
9684 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9686 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9687 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9688 (copy_insn_1): Likewise. Don't copy each field individually.
9689 Reindent.
9690 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9691 of RTX_SIZE.
9692 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9693 * rtl.c (rtx_size): Rename variable to...
9694 (rtx_code_size): ...this.
9695 (rtx_size): New function.
9696 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9697 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9698 Reindent.
9699 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9700 * rtl.h (rtx_code_size): New variable.
9701 (rtx_size): Change from a variable to a function.
9702 (RTX_SIZE): Rename to...
9703 (RTX_CODE_SIZE): ...this.
9705 PR target/9703
9706 PR tree-optimization/17106
9707 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9708 (Anchored Addresses): New section.
9709 * doc/invoke.texi (-fsection-anchors): Document.
9710 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9711 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9712 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9713 * hooks.c (hook_bool_mode_rtx_false): New function.
9714 * hooks.h (hook_bool_mode_rtx_false): Declare.
9715 * gengtype.c (create_optional_field): New function.
9716 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9717 SYMBOL_REF_IN_BLOCK_P is true.
9718 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9719 (min_anchor_offset, max_anchor_offset): Likewise.
9720 (use_anchors_for_symbol_p): New hook.
9721 * toplev.c (compile_file): Call output_object_blocks.
9722 (target_supports_section_anchors_p): New function.
9723 (process_options): Check that -fsection-anchors is only used on
9724 targets that support it and when -funit-at-a-time is in effect.
9725 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9726 if the decl doesn't have one.
9727 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9728 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9729 of force_const_mem through use_anchored_address.
9730 (expand_expr_constant): New function.
9731 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9732 calling expand_expr for INDIRECT_REF.
9733 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9734 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9735 * expr.h (use_anchored_address): Declare.
9736 * loop-unroll.c: Don't declare rtx vectors here.
9737 * explow.c: Include output.h.
9738 (validize_mem): Call use_anchored_address.
9739 (use_anchored_address): New function.
9740 * common.opt (-fsection-anchors): New switch.
9741 * varasm.c (object_block_htab, anchor_labelno): New variables.
9742 (hash_section, object_block_entry_eq, object_block_entry_hash)
9743 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9744 (use_blocks_for_decl_p, change_symbol_section): New functions.
9745 (get_variable_section): New function, split out from assemble_variable.
9746 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9747 use_blocks_for_decl_p say so. Use change_symbol_section if the
9748 symbol has already been created.
9749 (assemble_variable_contents): New function, split out from...
9750 (assemble_variable): ...here. Don't output any code for
9751 block symbols; just pass them to place_block_symbol.
9752 Use get_variable_section and assemble_variable_contents.
9753 (get_constant_alignment, get_constant_section, get_constant_size): New
9754 functions, split from output_constant_def_contents.
9755 (build_constant_desc): Create a block symbol if use_object_blocks_p
9756 says so. Or into SYMBOL_REF_FLAGS.
9757 (assemble_constant_contents): New function, split from...
9758 (output_constant_def_contents): ...here. Don't output any code
9759 for block symbols; just pass them to place_section_symbol.
9760 Use get_constant_section and get_constant_alignment.
9761 (force_const_mem): Create a block symbol if use_object_blocks_p and
9762 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9763 (output_constant_pool_1): Add an explicit alignment argument.
9764 Don't switch sections here.
9765 (output_constant_pool): Adjust call to output_constant_pool_1.
9766 Switch sections here instead. Don't output anything for block symbols;
9767 just pass them to place_block_symbol.
9768 (init_varasm_once): Initialize object_block_htab.
9769 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9770 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9771 (place_block_symbol, get_section_anchor, output_object_block)
9772 (output_object_block_htab, output_object_blocks): New functions.
9773 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9774 (TARGET_ASM_OUT): Include it.
9775 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9776 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9777 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9778 (TARGET_INITIALIZER): Include them.
9779 * rtl.c (rtl_check_failed_block_symbol): New function.
9780 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9781 (block_symbol, object_block): New structures.
9782 (rtx_def): Add a block_symbol field to the union.
9783 (BLOCK_SYMBOL_CHECK): New macro.
9784 (rtl_check_failed_block_symbol): Declare.
9785 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9786 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9787 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9788 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9789 * output.h (output_section_symbols): Declare.
9790 (object_block): Name structure.
9791 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9792 (default_use_anchors_for_symbol_p): Declare.
9793 * Makefile.in (RTL_BASE_H): Add vec.h.
9794 (explow.o): Depend on output.h.
9795 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9796 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9797 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9798 (rs6000_use_blocks_for_constant_p): New function.
9800 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9802 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9804 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9806 PR tree-opt/25680
9807 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9808 IMAGPART_EXPR.
9810 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9812 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9813 is_aliased.
9814 Update all users.
9816 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9818 PR middle-end/26334
9819 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9820 instead of DECL_REGISTER.
9822 2006-02-18 Olivier Hainque <hainque@adacore.com>
9824 PR ada/13408
9825 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9827 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9829 PR target/24837
9830 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9831 * opth-gen.awk: Handle Var and InverseMask together.
9832 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9833 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9834 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9835 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9836 used together.
9837 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9838 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9839 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9840 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9841 LINUX_DYNAMIC_LINKER): Define.
9842 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9843 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9844 TARGET_GLIBC.
9845 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9846 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9847 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9849 (TARGET_C99_FUNCTIONS): Don't define.
9850 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9851 GLIBC_DYNAMIC_LINKER.
9852 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9853 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9854 GLIBC_DYNAMIC_LINKER64): Define.
9855 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9856 LINUX_DYNAMIC_LINKER64.
9857 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9858 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9859 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9860 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9861 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9863 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9864 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9865 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9866 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9867 and LINUX_DYNAMIC_LINKER32.
9868 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9869 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9870 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9871 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9872 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9873 TARGET_GLIBC.
9874 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9875 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9876 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9877 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9878 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9879 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9880 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9881 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9882 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9883 LINUX_DYNAMIC_LINKER): Define.
9884 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9885 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9886 GLIBC_DYNAMIC_LINKER64): Define.
9887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9888 LINUX_DYNAMIC_LINKER64.
9889 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9890 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9891 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9892 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9893 LINUX_DYNAMIC_LINKER): Define.
9894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9895 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9896 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9897 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9898 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9899 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9900 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9901 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9902 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9903 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9905 * doc/invoke.texi (-muclibc): Remove caveat about supported
9906 targets.
9908 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9910 * doc/cpp.texi (__TIMESTAMP__): Document.
9912 2006-02-17 Roger Sayle <roger@eyesopen.com>
9914 PR middle-end/25600
9915 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9916 C is one less than the width of X (and related transformations).
9917 * simplify-rtx.c (simplify_unary_operation_1): Transform
9918 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9919 depending on STORE_FLAG_VALUE, were C is one less then the
9920 width of X.
9922 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9924 Fix PR tree-optimization/26341
9925 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9926 about NAME_MEMORY_TAG's.
9928 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9930 PR target/26255
9931 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9932 with hardware float support, and software float support. Add fcpy
9933 alternative to hardware patterns. Add alternatives to copy between
9934 general and floating-point registers to the 32-bit pattern.
9935 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9936 secondary reload to load a QI or HI mode constant into a floating
9937 point register.
9938 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9939 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9941 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9943 PR target/26272
9944 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9945 pc to the pattern.
9946 (load_macho_picbase_di): Likewise.
9948 2006-02-16 Jeff Law <law@redhat.com>
9950 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9951 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9952 (ssa_name_nonzero_p): Likewise.
9953 (get_value_range): Return NULL if VRP is not running.
9954 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9955 VRP routines do not discover a range.
9956 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9957 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9958 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9959 (tree_expr_nonnegative_p): Similarly.
9960 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9961 (restore_nonzero_vars_to_original_value): Remove.
9962 (unsafe_associative_fp_binop): Remove.
9963 (tree_ssa_dominator_optimize): Remove initialization and
9964 finalization of nonzero_vars and nonzero_vars_stack.
9965 (dom_opt_initialize_block): No longer push marker on
9966 nonzero_vars_stack.
9967 (dom_opt_finalize_block): No longer call
9968 restore_nonzero_vars_to_original_value.
9969 (record_equivalences_from_phis): No longer look for
9970 nonzero PHI arguments.
9971 (cprop_into_successor_phis): No longer propagate nonzero
9972 property into PHI arguments. Lose unused argument. Caller
9973 updated.
9974 (record_equivalences_from_stmt): No longer record nonzero
9975 values for SSA_NAMEs.
9976 (lookup_avail_expr): No longer use nonzero_vars.
9978 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9979 for sizetype when sizetype is unsigned.
9981 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9983 PR rtl-optimization/25603
9984 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9985 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9986 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9987 with new meaning of SETS.
9989 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9991 PR target/20353
9992 PR target/24578
9993 PR target/24837
9994 * config/linux.opt: New file.
9995 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9996 LINUX_DYNAMIC_LINKER): Define.
9997 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9998 * config.gcc (*-*-linux*): Define extra_options.
9999 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10000 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10001 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10002 GLIBC_DYNAMIC_LINKER.
10003 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10004 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10005 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10006 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10007 * doc/invoke.texi (GNU/Linux Options): New section.
10009 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10011 * config/sparc/sparc.md (setjmp): Rewrite.
10012 (setjmp_32): Delete.
10013 (setjmp_64): Likewise.
10015 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10017 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10018 previous change.
10020 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10022 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10023 read-write uses.
10025 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10027 PR rtl-optimization/26296
10028 * Makefile.in (loop-invariant.c): Add except.h dependency.
10029 * loop-invariant.c: Include except.h.
10030 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10032 2005-02-16 Paul Brook <paul@codesourcery.com>
10034 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10035 for reloads.
10037 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10039 PR rtl-optimization/25636
10040 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10041 when deciding whether an insn is an initializing insn.
10043 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10045 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10046 (tree_code_size): Ditto.
10047 * tree.h (struct tree_memory_tag): Remove parent_var.
10048 (struct tree_struct_field_tag): New.
10049 (SFT_OFFSET): New.
10050 (SFT_SIZE): New.
10051 (union tree_node): Add sft member.
10052 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10053 specially here.
10054 (create_sft): Add size and offset argument, set SFT_OFFSET and
10055 SFT_SIZE.
10056 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10057 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10058 * tree-flow-inline.h (get_subvar_at): Update for
10059 SFT_OFFSET/SFT_SIZE.
10060 (var_can_have_subvars): Ditto.
10061 (overlap_subvar): Ditto.
10062 * print-tree.c (print_node): Print out interesting things for
10063 SFT's.
10064 * tree-flow.h (struct subvar): Remove offset and size members.
10065 * tree-ssa-operands.c (get_expr_operands): Update for
10066 get_indirect_ref_operands changes.
10067 (get_indirect_ref_operands): Call add_virtual_operand instead of
10068 add_stmt_operand. Only recurse on base var if requested.
10069 (access_can_touch_variable): New function.
10070 (add_stmt_operand): Split virtual operand handling into ...
10071 (add_virtual_operand): Here. Add offset, size, and for_clobber
10072 arguments. Prune alias sets.
10073 (add_call_clobber_ops): Call add_virtual_operand.
10075 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10077 PR middle-end/26300
10078 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10080 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10081 than TREE_CODE as index into omp_clause_num_ops array.
10083 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10085 PR rtl-optimization/26184
10086 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10087 uses_of_defs.
10088 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10089 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10090 must_precede, must_follow and tobe_scheduled.
10092 PR other/26147
10093 * opts.c (common_handle_option): Free new_option pointer.
10094 * df-core.c (df_analyze): Free postorder pointer.
10096 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10098 * Makefile.in: Fix the examples about the use of stamps
10100 2006-02-15 Michael Matz <matz@suse.de>
10102 PR middle-end/22275
10104 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10105 influenced by maximum_field_alignment or DECL_PACKED.
10106 (update_alignment_for_field): Ditto.
10107 (place_field): Ditto.
10108 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10109 this behaviour.
10111 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10113 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10114 (debug_flow_info): Pass it.
10115 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10116 * bb-reorder.c (reorder_basic_blocks): Likewise.
10117 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10118 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10119 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10120 * gcse.c (gcse_main, bypass_jumps): Likewise.
10121 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10122 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10123 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10124 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10125 * rtl.h (dump_flow_info): Adjust prototype.
10126 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10127 * var-tracking.c (variable_tracking_main): Likewise.
10128 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10129 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10130 options.
10132 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10134 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10135 construction.
10137 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10139 PR tree-optimization/26209
10140 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10141 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10142 eh edges.
10143 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10145 2006-02-14 Roger Sayle <roger@eyesopen.com>
10147 PR middle-end/23670
10148 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10149 (X,Y) and the corresponding symmetry related transformations.
10150 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10151 (X,Y) and its symmetry related transformations.
10153 2006-02-14 Roger Sayle <roger@eyesopen.com>
10155 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10156 and GEU.
10158 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10160 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10162 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10164 PR bootstrap/26053
10165 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10166 support COMDAT group.
10167 * configure: Regenerate.
10169 2006-02-14 Roger Sayle <roger@eyesopen.com>
10171 PR middle-end/26279
10172 PR middle-end/26280
10173 PR middle-end/26283
10174 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10176 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10178 Fix PR tree-optimization/26260
10180 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10181 param.
10182 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10183 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10184 * tree-ssa-structalias.c (create_variable_info_for): Use
10185 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10187 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10189 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10190 Document.
10191 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10192 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10193 of the ending condition.
10194 * tree-ssa-loop-manip.c: Include params.h.
10195 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10196 tree_unroll_loop): New functions.
10197 * tree-pass.h (pass_loop_prefetch): Declare.
10198 * loop.c (rest_of_handle_loop_optimize): Test for
10199 -fprefetch-loop-arrays-rtl.
10200 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10201 * timevar.def (TV_TREE_PREFETCH): New timevar.
10202 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10203 pass_loop_prefetch): New.
10204 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10205 (cleanup_tree_cfg_loop): Call scev_reset.
10206 * common.opt (fprefetch-loop-arrays-rtl): Add.
10207 * tree-ssa-loop-prefetch.c: New file.
10208 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10209 (new_temp_expr_table): Initialize expr_vars.
10210 (free_temp_expr_table): Cleanup expr_vars.
10211 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10212 expressions from being merged into one.
10213 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10214 (struct tree_niter_desc): Add control, bound and cmp fields.
10215 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10216 Declare.
10217 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10218 (tree-cfgcleanup.o): Add SCEV_H dependency.
10219 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10220 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10222 2006-02-14 Richard Guenther <rguenther@suse.de>
10224 PR tree-optimization/26258
10225 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10226 in PHI argument processing.
10228 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10230 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10231 new expression in the requested machine mode.
10233 2006-02-13 Roger Sayle <roger@eyesopen.com>
10235 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10236 directly, instead let do_compare_rtx_and_jump handle this for us.
10237 * expr.c (expand_expr_real_1): Likewise.
10238 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10239 before do_jump_by_parts_greater.
10240 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10241 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10243 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10245 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10247 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10249 PR rtl-optimization/26235
10250 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10251 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10252 format.
10254 2006-02-13 Jeff Law <law@redhat.com>
10256 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10257 TRUTH_XOR_EPR.
10259 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10261 PR middle-end/26092
10262 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10263 twice if decl is a builtin. When trying again, call get_callee_fndecl
10264 first to verify it is still a builtin.
10266 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10268 * dwarf2out.c (base_type_die): Don't add AT_name here.
10269 (subrange_type_die): Don't add AT_name here.
10270 (modified_type_die): Rearrange code flow. Do add AT_name here.
10272 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10274 PR rtl-optimization/26247
10275 PR rtl-optimization/26248
10276 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10278 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10280 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10281 * config/fixtfdi.c: Likewise.
10282 * config/fixunstfdi.c: Likewise.
10283 * config/floatditf.c: Likewise.
10285 2006-02-13 Roger Sayle <roger@eyesopen.com>
10287 PR middle-end/24427
10288 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10289 into (X,C2) if C1 is a subset of the bits of C2. Transform
10290 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10291 (X&(C1&~C2))|C2.
10292 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10294 2006-02-13 Josh Conner <jconner@apple.com>
10296 PR target/25376
10297 * varasm.c (function_section): Check for section name before
10298 calling select_section on targets that define
10299 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10300 unlikely_text_section instead of hot_function_section if
10301 first_function_block_is_cold.
10303 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10305 PR middle-end/25335
10306 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10308 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10310 PR rtl-optimization/26222
10311 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10312 after tree->rtl expansion.
10313 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10314 before passing it to emit_move_insn.
10316 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10318 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10319 default.
10320 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10321 Clarify documentation.
10322 * c-common.h (warn_write_strings): Remove.
10323 * c-common.c (warn_write_strings): Likewise.
10324 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10325 default for C++.
10327 2006-02-12 Roger Sayle <roger@eyesopen.com>
10329 PR middle-end/25724
10330 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10331 (do_jump_parts_zero_rtx): New function renamed from
10332 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10333 (do_jump_parts_equality_rtx): New function split out from
10334 do_jump_parts_equality. Old implementation renamed as above.
10335 Call do_jump_parts_zero_rtx if either operand is zero.
10336 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10337 do all of the heavy lifting.
10338 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10339 calling either do_jump_by_parts_greater_rtx or
10340 do_jump_by_parts_equality_rtx.
10341 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10342 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10343 moved to do_compare_rtx_and_jump, call it directly.
10344 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10345 mode argument. Call do_compare_rtx_and_jump.
10346 (emit_case_nodes): Update calls to do_jump_if_equal.
10348 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10350 PR rtl-optimization/26225
10351 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10353 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10355 PR rtl-optimization/26232
10356 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10358 2006-02-11 Jason Merrill <jason@redhat.com>
10360 PR tree-opt/24365
10361 * tree-inline.c (declare_return_variable): Just don't use the
10362 modify target if it's a gimple complex reg and the return slot
10363 isn't.
10365 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10367 * doc/contrib.texi: Update my entry.
10369 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10371 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10373 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10375 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10376 expensive.
10378 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10380 * doc/invoke.texi (-floop-optimize2): Removed.
10381 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10382 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10383 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10384 * common.opt (floop-optimize2): Removed.
10385 (fmove-loop-invariants): Enabled by default.
10387 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10389 * tree-if-conv.c (combine_blocks): Free the result of
10390 get_loop_exit_edges.
10392 2006-02-10 Jeff Law <law@redhat.com>
10394 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10396 PR tree-optimization/26213
10397 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10398 loop trying to follow SSA_NAME_VALUE chains.
10400 2006-02-10 Richard Guenther <rguenther@suse.de>
10402 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10403 deal with structures that end in implicitly variable sized arrays.
10405 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10407 PR rtl-optimization/24762
10408 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10409 eh edges.
10411 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10413 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10414 (struct ivopts_data): Add regs_used field.
10415 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10416 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10417 instead of loop_data->regs_used;
10418 (free_loop_data): Do not free aux fields for loops.
10419 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10420 and tree_ssa_iv_optimize_finalize.
10422 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10424 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10426 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10428 PR target/26141
10429 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10430 computing the effective result type.
10432 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10434 PR inline-asm/16194
10435 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10436 (tree_overlaps_hard_reg_set): Declare.
10437 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10438 type and signature to match function type expected by walk_tree.
10439 (tree_overlaps_hard_reg_set): New function.
10440 (decl_conflicts_with_clobbers_p): Rename to:
10441 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10442 Use tree_overlaps_hard_reg_set. Changed caller.
10443 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10444 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10445 * cris.c (cris_md_asm_clobbers): Likewise.
10447 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10449 * reload1.c (emit_input_reload_insns): Delete code that tries to
10450 inherit using find_equiv_reg.
10452 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10454 * c-common.h (flag_const_strings): Don't declare.
10455 * c-common.c (flag_const_strings): Remove.
10456 * c.opt (fconst_strings): Remove.
10457 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10458 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10459 (c_common_init_options): Don't set flag_const_strings.
10460 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10462 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10464 * arm.md (tlobits_cbranch): New pattern.
10465 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10466 testing a single bit.
10468 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10470 PR tree-opt/26179
10471 * tree-ssa-pre.c (create_component_ref_by_pieces):
10472 Handle RETURN_DECL like VAR_DECL.
10474 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10476 PR middle-end/26134
10477 * fold-const.c (fold_indirect_ref_1): Fold
10478 "*(foo *)&complexfoo" to "__real__ complexfoo"
10479 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10481 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10483 * tree-flow-inline.h (var_can_have_subvars):
10484 Volatile variables should not have subvariables.
10486 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10488 PR 26180
10489 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10490 multiplying unsigned values.
10491 Tidy comments.
10493 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10495 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10497 2006-02-08 Jason Merrill <jason@redhat.com>
10499 PR c++/25979
10500 * tree.def: Elaborate on difference from MODIFY_EXPR.
10501 * doc/c-tree.texi (INIT_EXPR): Likewise.
10502 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10503 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10504 (gimplify_target_expr): Likewise.
10505 (gimplify_cond_expr): Remove target handling.
10506 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10507 (gimplify_expr): Clobber it here.
10508 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10509 Do return slot optimization if we have an INIT_EXPR.
10511 PR tree-opt/24365
10512 * tree-inline.c (declare_return_variable): Also clear
10513 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10515 PR c++/16405
10516 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10518 PR middle-end/22439
10519 * gimplify.c (gimplify_one_sizepos): Fix typo.
10521 2006-02-08 Jeff Law <law@redhat.com>
10523 PR tree-optimization/21417
10524 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10525 across a backedge if the control statement at the end of the
10526 block is data dependent on other statements in the same block.
10527 (record_temporary_equivalences_from_stmts): Remove over-conservative
10528 test for threading across backedges.
10530 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10531 control statement, handle all three special cases in the same
10532 manner as they all have the same desired solution. No longer
10533 special case edge flag updating when the post dominator is
10534 the exit block.
10536 2006-02-08 Roger Sayle <roger@eyesopen.com>
10538 * tree.def (CHAR_TYPE): Remove.
10539 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10540 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10541 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10542 (gen_string_type_die): Delete unreachable function.
10544 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10545 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10546 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10547 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10548 * builtins.c (type_to_class): Likewise.
10549 * fold-const.c (fold_convert, build_range_check,
10550 merge_ranges): Likewise.
10551 * expr.c (count_type_elements): Likewise.
10552 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10553 * stor-layout.c (layout_type): Likewise.
10554 * ipa-type-escape.c (type_to_consider): Likewise.
10555 * gimplify.c (omp_firstprivatize_type_sizes,
10556 gimplify_type_sizes): Likewise.
10557 * explow.c (promote_mode): Likewise.
10558 * tree-sra.c (is_sra_scalar_type): Likewise.
10559 * varasm.c (output_constant): Likewise.
10560 * tree-inline.c (remap_type_1): Likewise.
10561 * convert.c (convert_to_pointer, convert_to_real,
10562 convert_to_integer, convert_to_complex): Likewise.
10564 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10566 * df-scan.c (df_def_record_1): A set destination may
10567 be a parallel regardless of mode.
10569 2006-02-08 Roger Sayle <roger@eyesopen.com>
10571 PR target/22209
10572 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10573 * config/mips/_tilib.c: Remove.
10574 * config/fixtfdi.c: New libgcc source file.
10575 * config/fixunstfdi.c: New source file.
10576 * config/floatditf.c: New source file.
10577 * config/floatunditf.c: New souce file.
10578 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10579 files above instead of config/mips/_tilib.c.
10580 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10582 2006-02-08 Jeff Law <law@redhat.com>
10584 PR tree-optimization/26169
10585 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10586 threading jumps.
10588 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10590 * df.h (DF_REG_SIZE): Return the length of the initialized
10591 part of the array.
10593 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10595 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10596 __muldf3): Return a correctly signed zero.
10598 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10600 * passes.c (register_one_dump_file): Accept the current properties
10601 instead of pass number. Adjust call to dump_register. Remove
10602 duplicated code.
10603 (register_dump_files): Now a wrapper around...
10604 (register_dump_files_1): ... this one. Do not modify the pass
10605 structure.
10606 (next_pass_1): Cosmetic fix.
10607 (execute_todo): Keep second parameter only. Use curr_properties
10608 instead of fetching it from the pass structure. Check and set
10609 last_verified.
10610 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10611 instead of fetching it from the pass structure. Fix calls to
10612 execute_todo. Update curr_properties and initialize .vcg RTL dump
10613 after running the pass. Reset last_verified.
10614 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10615 at the beginning.
10616 (FIRST_AUTO_NUMBERED_DUMP): New.
10617 (dump_register): Remove "num" parameter, assign it within the
10618 function.
10619 (get_dump_file_name): Modify template for dumps.
10620 * tree-dump.h (dump_register): Adjust prototype.
10621 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10622 (PROP_trees): Add PROP_gimple_lomp.
10623 (TODO_set_props): New.
10624 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10625 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10626 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10628 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10630 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10631 (sparc64-*-linux*): Likewise.
10632 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10633 * config/sparc/t-linux: New file.
10634 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10635 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10636 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10637 -m32 -mlong-double-128.
10639 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10640 * config/alpha/t-linux: New file.
10641 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10643 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10644 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10645 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10646 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10647 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10648 (CPP_ARCH32_SPEC): Remove.
10650 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10652 PR tree-optimization/26145
10653 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10654 bbs pointer.
10656 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10658 PR target/26109
10659 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10660 >= 240000 when generating code for SOM runtime.
10661 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10662 to $$dyncall when generating code for SOM runtime..
10664 2006-02-07 Dirk Mueller <dmueller@suse.com>
10666 PR c++/18150
10667 * doc/invoke.texi (-Wsequence-point): Update documentation
10668 that -Wsequence-point is implemented for C++ as well.
10670 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10672 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10673 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10674 (LIB_SPEC): Likewise.
10675 * doc/invoke.texi (SPARC options): Document -pthread.
10677 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10679 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10680 PIC addresses.
10682 2006-02-07 Roger Sayle <roger@eyesopen.com>
10684 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10685 Correct comment describing BOOLEAN_TYPE.
10687 2006-02-07 Dirk Mueller <dmueller@suse.com>
10689 * c.opt: C++ frontend supports -Wdiv-by-zero.
10690 * c-opts.c (c_common_handle_option): Remove dead case.
10692 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10694 * configure.ac (TLS assembler check): Do not enable TLS by
10695 default on SPARC/Solaris before version 10.
10696 * configure: Regenerate.
10698 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10700 * doc/invoke.texi (xl-compat): Document conversion and support
10701 routine names.
10703 2006-02-07 Jeff Law <law@redhat.com>
10705 * tree-vrp.c (find_conditional_asserts): Update comments.
10706 (simplify_stmt_for_jump_threading): New.
10707 (identify_jump_threads, finalize_jump_threads): New.
10708 (vrp_finalize): Call identify_jump_threads.
10709 (execute_vrp): Call finalize_jump_threads.
10710 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10711 (vrp_element, vrp_data, vrp_element_p): Remove.
10712 (vrp_hash_elt, vrp_variables_stack): Remove.
10713 (vrp_hash, vrp_eq, record_range): Remove.
10714 (simplify_cond_and_lookup_avail_expr): Remove.
10715 (extract_range_from_cond): Remove.
10716 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10717 (simplify_stmt_for_jump_threading): New.
10718 (dom_thread_across_edge): New wrapper.
10719 (tree_ssa_dominator_optimize): No longer initialize or
10720 finalize any of the VRP datastructures. Remove iteration
10721 step and simplify as a result of removal of iteration step.
10722 (pass_dominator): Perform a cfg cleanup after DOM.
10723 (dom_opt_finalize_block): Use the new common routines
10724 for threading jumps. Simplify stack management slightly.
10725 No longer need to unwind VRP state.
10726 (record_equivalences_from_incoming_edge): No longer record
10727 VRP information.
10728 (eliminate_redundant_computations): No longer call
10729 simplify_cond_and_lookup_avail_expr.
10730 * tree-flow.h (potentially_threadable_block): Prototype.
10731 (thread_across_edge): Likewise.
10732 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10733 (tree-ssa-threadedge.o): Add dependencies.
10734 * tree-ssa-threadedge.c: New file.
10735 * passes.c (init_optimization_passes): Merge PHIs before
10736 calling VRP. Run VRP again late in the SSA optimization pipeline.
10738 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10740 * df-core.c (df_set_blocks): Do not dereference function pointers.
10741 (df_finish1): Likewise.
10742 (df_hybrid_search_forward): Likewise.
10743 (df_hybrid_search_backward): Likewise.
10744 (df_iterative_dataflow): Likewise.
10745 (df_analyze_problem): Likewise.
10746 (df_compact_blocks): Likewise.
10747 (df_dump): Likewise.
10748 * df-scan.c (df_rescan_blocks): Likewise.
10749 (df_record_entry_block_defs): Likewise.
10751 * genconditions.c (write_conditions): Guard the definition of
10752 'insn_conditions' with the check on GCC version.
10753 (write_writer): Guard the traversal 'insn_conditions' with
10754 the check on GCC version.
10756 2006-02-07 Richard Guenther <rguenther@suse.de>
10758 PR c++/26140
10759 Revert
10760 2006-01-30 Richard Guenther <rguenther@suse.de>
10761 PR c++/23372
10762 * gimplify.c (gimplify_target_expr): Handle easy cases
10763 without creating a temporary.
10765 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10767 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10768 use of float in probability computations. Use edge probabilities
10769 in place of statically computed probabilities.
10770 (min_spec_prob): New static variable.
10771 (schedule_insns): Initialize it.
10772 (GET_SRC_PROB): Removed.
10773 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10775 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10777 PR debug/24444
10778 * config/ia64/unwind-ia64.c: Revert last change.
10779 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10780 (INCOMING_FRAME_SP_OFFSET): Define.
10782 2006-02-06 Roger Sayle <roger@eyesopen.com>
10784 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10786 2006-02-07 Ben Elliston <bje@au.ibm.com>
10788 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10789 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10790 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10791 (ix86_return_in_memory): Handle TDmode.
10792 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10793 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10795 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10797 * reorg.c (dbr_schedule): Use dump_file instead of file.
10799 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10801 PR target/25917
10802 * config/ia64/predicates.md (extr_len_operand): New predicate.
10803 * config/ia64/ia64.md (extv): Tighten constraints.
10804 (extzv): Ditto.
10805 (*tbit_and_2): Ditto.
10806 (*tbit_and_3): Ditto.
10807 (*tbit_or_2): Ditto.
10808 (*tbit_or_3): Ditto.
10809 (*bit_zero): Ditto.
10810 (*bit_one): Ditto.
10812 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10814 PR target/23359
10815 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10817 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10819 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10820 loop_optimizer_init and loop_optimizer_finalize
10821 * tree-ssa-sink.c (execute_sink_code): Ditto.
10822 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10823 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10824 tree_ssa_loop_done): Ditto.
10825 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10826 * sched-ebb.c: Include output.h.
10827 (schedule_ebbs): Do not use dump argument.
10828 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10829 * loop.c (loop_dump_stream): Removed.
10830 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10831 argument.
10832 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10833 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10834 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10835 loop_iterations, strength_reduce, record_biv, record_giv,
10836 final_giv_value, check_final_value, check_ext_dependent_givs,
10837 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10838 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10839 dump_file instead of loop_dump_stream.
10840 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10841 argument dump_file.
10842 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10843 dump argument.
10844 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10845 * haifa-sched.c: Include output.h
10846 (schedule_insns, sched_init): Do not use dump argument.
10847 * mode-switching.c (optimize_mode_switching): Ditto.
10848 * modulo-sched.c (stats_file): Removed.
10849 (print_node_sched_params): Do not call argument dump_file.
10850 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10851 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10852 of stats_file.
10853 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10854 use dump argument.
10855 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10856 rtl_loop_init, rtl_loop_done): Ditto.
10857 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10858 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10859 Ditto.
10860 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10861 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10862 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10863 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10864 * emit-rtl.c (renumber_insns): Ditto.
10865 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10866 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10867 * regclass.c (regclass): Ditto.
10868 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10869 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10870 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10871 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10872 Ditto.
10873 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10874 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10875 to regclass.
10876 * gcse.c (gcse_file, debug_stderr): Removed.
10877 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10878 rest_of_handle_gcse): Do not use dump argument.
10879 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10880 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10881 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10882 compute_code_hoist_vbeinout, compute_code_hoist_data,
10883 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10884 compute_store_table, build_store_vectors, insert_insn_start_bb,
10885 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10886 store_motion): Use dump_file instead of gcse_file.
10887 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10888 * profile.c (profile_dump_file): Removed.
10889 (branch_prob): Use dump_file instead of profile_dump_file.
10890 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10891 dump_file.
10892 * tree-ssa-copy.c (dump_copy_of): Ditto.
10893 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10894 dump file to life_analysis.
10895 * bt-load.c (branch_target_load_optimize): Ditto.
10896 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10897 renumber_insns.
10898 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10899 regclass, dbr_schedule): Declaration changed.
10900 * sched-int.h (sched_init): Declaration changed.
10901 * tree-profile.c (tree_profile_dump_file): Removed.
10902 (tree_profile_hooks): Removed profile_dump_file hook.
10903 * rtl-profile (rtl_profile_dump_file): Removed.
10904 (rtl_profile_hooks): emoved profile_dump_file hook.
10905 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10906 changed.
10907 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10908 * tree-cfg.c (build_tree_cfg): Ditto.
10909 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10910 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10911 Declaration changed.
10912 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10913 life_analysis and schedule_insns.
10914 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10915 life_analysis.
10916 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10917 dbr_schedule.
10918 * config/mips/mips.c (mips_reorg): Ditto.
10919 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10920 schedule_ebbs.
10922 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10924 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10925 (s390_mangle_fundamental_type): New.
10926 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10927 Define.
10929 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10930 (alpha_mangle_fundamental_type): New.
10931 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10932 Define.
10934 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10935 Define.
10936 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10937 Define.
10938 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10939 (sparc_mangle_fundamental_type): New.
10941 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10943 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10944 (s390x-*-linux*): Likewise.
10945 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10946 * config/s390/t-linux: New file.
10948 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10950 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10951 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10953 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10955 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10956 (ANTIC_SAFE_LOADS): New macro.
10957 (find_or_generate_expression): Add prototype.
10958 (set_contains_value): Allow null set for sake of not always having
10959 to allocate ANTIC_SAFE_LOADS.
10960 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10961 Allow COMPONENT_REF too.
10962 (valid_in_set): Allow COMPONENT_REF.
10963 Check ANTIC_SAFE_LOADS too.
10964 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10965 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10966 rename.
10967 (can_PRE_operation): Add COMPONENT_REF.
10968 (create_component_ref_by_pieces): New function.
10969 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10970 (insert_aux): Move AGGREGATE_TYPE_P check here.
10971 (compute_avail): Set bb local stmt uids.
10972 (pass_pre): Use TODO_update_ssa_only_virtuals.
10974 2006-02-06 Ben Elliston <bje@au.ibm.com>
10976 * configure.ac: Unconditionally disable decimal float by default.
10977 * configure: Regenerate.
10979 2006-02-06 Ben Elliston <bje@au.ibm.com>
10981 * read-rtl.c (read_name): Terminate reading on EOF.
10983 2006-02-06 Ben Elliston <bje@au.ibm.com>
10985 * dfp.c (decimal_real_arithmetic): Change second argument type
10986 from int to enum tree_code. Do not always return true, but now
10987 return result of any call to decimal_do helper functions.
10988 * dfp.h (decimal_real_arithmetic): Update prototype.
10990 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10992 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10994 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10996 PR tree-opt/25251
10997 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10998 forced labels.
11000 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11002 * tree-vrp.c (cfg_loops): Removed.
11003 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11004 Use current_loops instead of cfg_loops. Pass flags to
11005 loop_optimizer_init.
11006 * cfgloopmanip.c (fix_loop_structure): Update only available
11007 information.
11008 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11009 loop_optimizer_init.
11010 * modulo-sched.c (build_loops_structure): Removed.
11011 (sms_schedule): Use loop_optimizer_init.
11012 * loop-init.c (loop_optimizer_init): Use flags to determine
11013 which properties of loops to prepare.
11014 (rtl_loop_init): Pass flags to loop_optimizer_init.
11015 * tree-ssa-sink.c (execute_sink_code): Ditto.
11016 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11017 * tree-ssa-pre.c (init_pre): Ditto.
11018 * cfgloop.h (LOOPS_NORMAL): New.
11019 (loop_optimizer_init): Declaration changed.
11021 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11023 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11024 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11025 pa/t-pa.
11026 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11027 pa/t-pa.
11028 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11029 pa/x-ada.
11030 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11031 * pa/t-pa64: Delete quadlib.c rule.
11032 * pa/x-ada: Revert last change.
11033 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11035 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11037 PR rtl-optimization/26087
11038 * rtlanal.c (canonicalize_condition): Do not cross basic block
11039 boundaries.
11041 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11043 PR debug/24444
11044 * config/ia64/ia64.c: Include debug.h.
11045 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11046 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11047 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11048 (process_epilogue, process_set, process_for_unwind_directive):
11049 Output unwind info only if requested. Add CFA info if requested.
11050 Add new arguments as needed. Adjust callers.
11051 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11052 incorrect default.
11053 (DWARF2_FRAME_INFO): Define to zero.
11054 * config/ia64/unwind-ia64.c: Remove code that compensated for
11055 the CFA offset error fixed above.
11056 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11057 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11058 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11059 -funwind-tables and -fexceptions to enable frame info.
11060 (dwarf2out_frame_init): Define initial CFA even if
11061 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11062 DWARF2_UNWIND_INFO is nonzero, not just defined.
11063 (dwarf2out_frame_finish): Output non-EH call frame info only
11064 if DWARF2_FRAME_INFO is nonzero.
11065 (convert_cfa_to_loc_list,
11066 compute_frame_pointer_to_cfa_displacement): Define even if
11067 unwind info is not supported.
11068 (gen_subprogram_die): Use the above unconditionally. Remove
11069 legacy alternate code.
11070 * toplev.c (compile_file): Compile in call to
11071 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11072 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11074 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11075 Jakub Jelinek <jakub@redhat.com>
11077 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11078 IBM extended float format long double as "g" on powerpc*-linux.
11080 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11082 PR target/25926
11083 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11084 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11086 2006-02-03 Jason Merrill <jason@redhat.com>
11088 PR c++/25979
11089 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11091 PR middle-end/25977
11092 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11093 on the return slot if it's an NRV.
11095 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11097 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11098 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11099 rewrite_use): Do not handle USE_OUTER.
11100 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11101 add_iv_outer_candidates, may_replace_final_value,
11102 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11103 (find_interesting_uses_op): Functionality of
11104 find_interesting_uses_outer_or_nonlin moved here.
11105 (find_interesting_uses_outside): Use find_interesting_uses_op.
11107 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11109 PR target/25960
11110 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11112 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11113 Ulrich Weigand <uweigand@de.ibm.com>
11115 PR target/25864
11116 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11117 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11118 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11119 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11120 and dxr fields.
11121 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11122 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11123 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11124 Define secondary reloads for TFmode moves.
11125 (constant_modes): Add TFmode.
11126 (NR_C_MODES): Set to 8.
11127 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11128 builtin define.
11129 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11130 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11131 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11132 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11133 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11134 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11135 (FPR mode macro): Add TFmode.
11136 (DSF mode macro): New.
11137 (<de>, <dee> mode attributes): Removed.
11138 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11139 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11140 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11141 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11142 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11143 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11144 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11145 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11146 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11147 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11148 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11149 "*negabs<mode>2", "sqrt<mode>2"):
11150 Changed <de> to <xde>. R constraint replaced by <Rf>.
11151 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11152 <Rf>.
11153 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11154 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11155 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11156 splitters.
11157 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11158 "extenddftf2", "extendsftf2"): New expanders.
11159 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11160 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11161 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11162 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11163 New options.
11164 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11165 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11166 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11167 __floatditf): Add a GCC_4.1.0 symbol version tag.
11168 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11169 the new options.
11171 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11173 PR target/25377
11174 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11175 Use targetm.binds_local_p instead of TREE_PUBLIC.
11177 2006-02-02 Roger Sayle <roger@eyesopen.com>
11179 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11180 on INTEGER_TYPEs to indicate that it denotes a character type.
11181 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11182 signed_char_type_node, unsigned_char_type_node and char_type_node.
11183 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11184 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11185 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11187 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11188 Daniel Berlin <dberlin@dberlin.org>
11190 * tree-tailcall.c (arg_needs_copy_p): New function.
11191 (eliminate_tail_call): Use arg_needs_copy_p.
11192 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11193 (add_virtual_phis): New function.
11195 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11197 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11198 #ignore instead of #scratch for %g7 .register directive.
11200 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11202 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11203 object files.
11205 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11207 * flow.c (calculate_global_regs_live): Assert that there aren't any
11208 EDGE_FAKE edges.
11210 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11212 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11213 what its name says.
11214 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11215 bsi_after_labels iterator.
11216 * tree-if-conv.c (find_phi_replacement_condition,
11217 replace_phi_with_cond_modify_expr): Likewise.
11218 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11219 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11221 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11223 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11225 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11227 PR 25990
11228 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11229 array after growing it.
11231 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11233 PR middle-end/24901
11234 * fold-const.c (fold_checksum_tree): Change type of buf.
11236 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11238 * reload.c (push_secondary_reload): Initialize t_icode.
11240 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11242 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11243 -msoft-float -mlong-double-128 only issue a warning, but don't
11244 swich to DFmode long double.
11246 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11248 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11249 has a constant equivalent, iterate over equivalents for arg0,
11250 calling simplify_relational_operation and if there's a result
11251 cheaper than X, apply fold_rtx and return the result.
11253 2006-02-01 Jan Hubicka <jh@suse.cz>
11255 * opts.c (no_unit_at_a_time_default): New global variable.
11256 (decode_options): Use it.
11257 * opts.h (no_unit_at_a_time_default): Declare.
11259 2006-02-01 Paul Brook <paul@codesourcery.com>
11261 * function.c (assign_parm_setup_reg): Use function argument promotion
11262 rules.
11263 * expr.c (expand_expr_real_1): Use function argument promotion rules
11264 for PARM_DECLs.
11266 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11268 * gcc.c (process_command): Change j to 'unsigned int'.
11270 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11272 PR middle-end/26001
11273 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11274 Use the corrected index for the character
11275 out of the string constant.
11277 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11279 * mode-switching.c (optimize_mode_switching): Fix size
11280 allocated for bb_info[n_entities].
11282 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11284 * gcc.c (main): Correct type that is allocated for
11285 explicit_link_files.
11287 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11289 * config/s390/s390.c (init_alignment_context): Set
11290 ALIAS_SET_MEMORY_BARRIER on the MEM.
11291 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11293 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11295 PR middle-end/25933
11296 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11297 dom_bbs pointer.
11298 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11299 call to tpa_init.
11301 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11303 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11304 * regrename.c: Ditto.
11305 * tree-ssa-loop-im.c: Ditto.
11306 * tree-dump.c: Ditto.
11307 * tree-complex.c: Ditto.
11308 * genrecog.c: Ditto.
11309 * tree-ssa-threadupdate.c: Ditto.
11310 * tracer.c: Ditto.
11311 * java/class.c: Ditto.
11312 * java/jcf-parse.c: Ditto.
11313 * java/resource.c: Ditto.
11314 * java/except.c: Ditto.
11315 * java/jvspec.c: Ditto.
11316 * java/jcf-write.c: Ditto.
11317 * java/jcf-path.c: Ditto.
11318 * java/gjavah.c: Ditto.
11319 * java/zextract.c: Ditto.
11320 * java/jcf-io.c: Ditto.
11321 * java/jcf.h: Ditto.
11322 * java/buffer.c: Ditto.
11323 * java/lang.c: Ditto.
11324 * java/parse-scan.y: Ditto.
11325 * java/lex.c: Ditto.
11326 * java/lex.h: Ditto.
11327 * cfgloopmanip.c: Ditto.
11328 * postreload-gcse.c: Ditto.
11329 * tree-ssa-loop-manip.c: Ditto.
11330 * postreload.c: Ditto.
11331 * tree-ssa-loop-ch.c: Ditto.
11332 * loop.c: Ditto.
11333 * ipa-cp.c: Ditto.
11334 * cppspec.c: Ditto.
11335 * diagnostic.c: Ditto.
11336 * final.c: Ditto.
11337 * genoutput.c: Ditto.
11338 * gcc.c: Ditto.
11339 * cfghooks.c: Ditto.
11340 * cfgloopanal.c: Ditto.
11341 * objc/objc-act.c: Ditto.
11342 * gcov.c: Ditto.
11343 * genextract.c: Ditto.
11344 * genautomata.c: Ditto.
11345 * pretty-print.c: Ditto.
11346 * genemit.c: Ditto.
11347 * cgraphunit.c: Ditto.
11348 * flow.c: Ditto.
11349 * df-scan.c: Ditto.
11350 * haifa-sched.c: Ditto.
11351 * dominance.c: Ditto.
11352 * dbxout.c: Ditto.
11353 * tree-ssa-loop-ivopts.c: Ditto.
11354 * df-core.c: Ditto.
11355 * mode-switching.c: Ditto.
11356 * modulo-sched.c: Ditto.
11357 * graph.c: Ditto.
11358 * ipa-pure-const.c: Ditto.
11359 * cse.c: Ditto.
11360 * fix-header.c: Ditto.
11361 * web.c: Ditto.
11362 * tree-stdarg.c: Ditto.
11363 * ipa-utils.c: Ditto.
11364 * loop-init.c: Ditto.
11365 * ipa-inline.c: Ditto.
11366 * cfganal.c: Ditto.
11367 * global.c: Ditto.
11368 * alloc-pool.c: Ditto.
11369 * dwarf2out.c: Ditto.
11370 * opts.c: Ditto.
11371 * genattrtab.c: Ditto.
11372 * tree-ssa-loop-ivcanon.c: Ditto.
11373 * predict.c: Ditto.
11374 * timevar.c: Ditto.
11375 * lcm.c: Ditto.
11376 * fortran/gfortranspec.c: Ditto.
11377 * regmove.c: Ditto.
11378 * local-alloc.c: Ditto.
11379 * langhooks.c: Ditto.
11380 * function.c: Ditto.
11381 * tree-vectorizer.c: Ditto.
11382 * gcse.c: Ditto.
11383 * ipa-type-escape.c: Ditto.
11384 * alias.c: Ditto.
11385 * tree-if-conv.c: Ditto.
11386 * profile.c: Ditto.
11387 * ipa.c: Ditto.
11388 * tree-data-ref.c: Ditto.
11389 * loop-unroll.c: Ditto.
11390 * treelang/treetree.c: Ditto.
11391 * calls.c: Ditto.
11392 * bt-load.c: Ditto.
11393 * ggc-common.c: Ditto.
11394 * except.c: Ditto.
11395 * coverage.c: Ditto.
11396 * cselib.c: Ditto.
11397 * tree-cfgcleanup.c: Ditto.
11398 * tree-ssa-pre.c: Ditto.
11399 * cfgcleanup.c: Ditto.
11400 * loop-invariant.c: Ditto.
11401 * loop-iv.c: Ditto.
11402 * ipa-prop.c: Ditto.
11403 * print-tree.c: Ditto.
11404 * conflict.c: Ditto.
11405 * ggc-page.c: Ditto.
11406 * sched-deps.c: Ditto.
11407 * regclass.c: Ditto.
11408 * tree-object-size.c: Ditto.
11409 * combine.c: Ditto.
11410 * bb-reorder.c: Ditto.
11411 * resource.c: Ditto.
11412 * var-tracking.c: Ditto.
11413 * cfgloop.c: Ditto.
11414 * df-problems.c: Ditto.
11415 * reg-stack.c: Ditto.
11416 * tlink.c: Ditto.
11417 * gccspec.c: Ditto.
11418 * sched-rgn.c: Ditto.
11419 * tree-ssa-structalias.c: Ditto.
11420 * tree-ssa-reassoc.c: Ditto.
11421 * config/darwin-c.c: Ditto.
11422 * config/darwin.c: Ditto.
11423 * config/arm/arm.c: Ditto.
11424 * cfgrtl.c: Ditto.
11425 * collect2.c: Ditto.
11426 * reload1.c: Ditto.
11428 2006-01-31 Nicolas Pitre <nico@cam.org>
11430 * arm.md (smaxsi3): Make aware of smax_m1.
11431 (smax_m1): New.
11433 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11435 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11437 2006-01-31 Richard Guenther <rguenther@suse.de>
11439 * doc/invoke.texi (-msselibm): Document.
11440 * target.h (expand_library_builtin): New target hook.
11441 * builtins.c (expand_builtin): Use expand_library_builtin.
11442 (default_expand_library_builtin): New function.
11443 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11444 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11445 (link_gcc_math_spec): Declare.
11446 (static_specs): Add link_gcc_math_spec.
11447 * expr.h (default_expand_library_builtin): Declare.
11448 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11449 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11450 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11451 * config/i386/i386.opt (msselibm): New target option.
11452 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11453 (ix86_init_sse_abi_builtins): New function.
11454 (ix86_expand_library_builtin): Likewise.
11455 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11456 (override_options): Handle error conditions wrt -msselibm.
11457 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11458 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11459 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11460 builtins.
11462 2006-01-31 Richard Guenther <rguenther@suse.de>
11463 Paolo Bonzini <bonzini@gnu.org>
11465 * doc/install.texi (--disable-libgcc-math): Document.
11467 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11469 * expr.h (expand_normal): new inline function.
11470 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11471 * dojump.c: use it.
11472 * dwarf2out.c: use it.
11473 * expr.c: use it.
11474 * calls.c: use it.
11475 * expmed.c: use it.
11476 * except.c: use it.
11477 * config/sparc/sparc.c: use it.
11478 * config/i386/i386.c: use it.
11479 * config/rs6000/rs6000.c: use it.
11480 * config/arm/arm.c: use it.
11481 * config/mips/mips.c: use it.
11482 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11484 2006-01-30 Roger Sayle <roger@eyesopen.com>
11486 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11487 argv to the appropriate type.
11489 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11491 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11492 unreachable code.
11494 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11496 PR target/26018
11497 * config/s390/s390.c (struct machine_function): New flag
11498 decomposed_literal_pool_addresses_ok_p.
11499 (s390_reorg): Set it before final stage of literal pool transforms.
11500 (s390_decompose_address): Only accept displacements of the form
11501 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11503 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11505 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11506 the comparison routine return.
11508 2006-01-30 Michael Matz <matz@suse.de>
11510 * global.c (find_reg): Only evict for global regs.
11511 Take n_refs into account and dump more info.
11513 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11515 PR target/14798:
11516 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11517 (pragma_trap, pragma_nosave_low_regs): Likewise.
11518 (current_function_anonymous_args): Likewise.
11519 (sh_deferred_function_attributes): New variable.
11520 (sh_deferred_function_attributes_tail): Likewise.
11521 (print_operand): For '@', look up trap_exit attribute.
11522 (calc_live_regs): Look up trapa_handler attribute. For trapa
11523 handlers, save/restore fpscr, but don't do any other
11524 interrupt-specific saves.
11525 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11526 Fix check for partially saved registers to check for SHmedia.
11527 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11528 (sh_output_function_epilogue): Don't clear any of the removed
11529 variables.
11530 (sh_insert_attributes): Don't check pragma_interrupt.
11531 Insert deferred attributes. Check that interrupt attribute is
11532 present for other attributes that require its presence.
11533 (sh_attribute_table): Add new attributes trapa_handler and
11534 nosave_low_regs.
11535 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11536 Don't check for pragma_interrupt. Don't store argument.
11537 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11538 (sh_deferred_function_attributes): Declare.
11539 (sh_deferred_function_attributes_tail): Likewise.
11540 * sh.md (sp_switch_1): Add operand. Change generator caller.
11541 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11542 (*return_i): Don't use when trap_exit attribute is in effect.
11543 (*return_trapa): New insn pattern.
11544 * sh-c.c: New file.
11545 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11546 setting c_target_objs and cxx_target_objs.
11547 * t-sh: Add rule for sh-c.o.
11549 2006-01-30 Richard Guenther <rguenther@suse.de>
11551 PR c++/23372
11552 * gimplify.c (gimplify_target_expr): Handle easy cases
11553 without creating a temporary.
11555 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11557 * vec.h (safe_grow): Remove duplicated line.
11559 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11561 PR 25874
11562 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11563 (expand_omp): ... here.
11564 (expand_omp_parallel): Only remove barriers for combined
11565 parallel+workshare constructs.
11567 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11569 Revert
11571 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11572 * tree.c (build_qualified_type): Chain the new type to the original
11573 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11574 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11575 (build_pointer_type_for_mode): Only return unqualified types.
11576 (build_reference_type_for_mode): Likewise.
11578 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11580 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11581 * Makefile.in (CXX_COMPAT_WARN): Define.
11582 * configure: Regenerate.
11584 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11586 PR tree-opt/25911
11587 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11588 to an if check.
11590 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11592 * toplev.c: Fix thinko.
11594 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11595 Marcin Dalecki <martin@dalecki.de>
11597 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11598 (push_srcloc): Use XNEW.
11599 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11601 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11603 * df-core.c (df_set_blocks): Deleted all variable.
11605 2006-01-28 Ian Lance Taylor <ian@airs.com>
11607 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11608 cgraph_output_pending_asms.
11610 2006-01-28 Zack Weinberg <zackw@panix.com>
11612 * c.opt: Add -W(no-)overlength-strings.
11613 * doc/invoke.texi: Document it.
11614 * c-opts.c (c_common_handle_option): -pedantic implies
11615 -Woverlength-strings, if not explicitly disabled already.
11616 (c_common_post_options): -Woverlength-strings defaults to off, and
11617 is always off for C++.
11618 * c-common.c (fix_string_type): Issue warning about strings longer
11619 than is portable only if warn_overlength_strings. Rearrange code
11620 a little for clarity.
11621 * configure.in: Check for -Wno-overlength-strings as well before
11622 enabling -pedantic in stage 1.
11623 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11624 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11626 * genconditions.c (write_header, write_one_condition)
11627 (write_conditions, write_writer): Consolidate very long strings
11628 that were broken up to fit in C89 portable limit. Don't use
11629 printf when fputs will do.
11631 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11633 * combine.c (simplify_comparison <AND>): Check
11634 TRULY_NOOP_TRUNCATION before start using a subreg.
11636 * config/mips/mips.md (*branch_zero<mode>,
11637 *branch_zero<mode>_inverted, *branch_equality<mode>,
11638 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11639 Remove mode check from comparisons.
11641 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11643 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11645 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11647 * expmed.c (const_mult_add_overflow_p): Remove.
11648 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11650 * recog.c (validate_replace_rtx_subexp): Remove.
11651 * recog.h: Remove the prototype for
11652 validate_replace_rtx_subexp.
11654 * integrate.h: Remove the prototype for
11655 copy_decl_for_inlining.
11656 * rtl.h: Remove the prototype for mark_constant_function.
11657 * tree-vectorizer.h: Remove the prototype for
11658 vect_strip_conversion.
11660 * modulo-sched.c (create_partial_schedule,
11661 free_partial_schedule, reset_partial_schedule): Make them
11662 static.
11664 * hooks.c (hook_bool_rtx_int_false): Remove.
11665 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11667 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11669 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11670 and -mlong-double-128 are incompatible.
11671 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11672 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11673 (TARGET_LIBGCC2_CFLAGS): Define.
11674 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11675 (TARGET_LIBGCC2_CFLAGS): Same.
11676 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11678 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11680 PR c/19606.
11681 * c-typeck.c (build_binary_op): Perform implicit casts of
11682 operands before shortening them.
11684 * cfgloopmanip.c (split_loop_bb): Remove.
11685 * cfgloop.h: Remove the prototype for split_loop_bb.
11687 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11688 * cfgloop.h: Remove the prototype for
11689 flow_loop_outside_edge_p.
11691 * emit-rtl.c (init_virtual_regs): Make it static.
11692 * function.h: Remove the prototype for init_virtual_regs.
11694 * recog.c (peephole2_optimize): Make it static.
11695 * recog.h: Remove the prototype for peephole2_optimize.
11697 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11699 * df-scan.c (df_record_entry_block_defs): Check if
11700 INCOMING_RETURN_ADDR_RTX is defined.
11702 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11703 Kenneth Zadeck <zadeck@naturalbridge.com>
11705 PR rtl-optimization/24762
11706 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11707 * targhooks.c (hook_void_bitmap): New hook prototype.
11708 * targhoohs.h (hook_void_bitmap): Ditto.
11709 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11710 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11711 * target.h (live_on_entry): New function pointer.
11712 * df-scan.c (df_all_hard_regs): Removed.
11713 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11714 (df_scan_free_internal): Added df->entry_block_defs.
11715 (df_scan_alloc): Ditto.
11716 (df_scan_dump): Ditto.
11717 (df_uses_record): Plumbed flag field properly thru calls.
11718 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11719 This part fixes PR24762.
11720 (df_bb_refs_record): Added code to make the frame and arg
11721 pointers live in EH blocks.
11722 (df_refs_record): Added call to df_record_entry_block_defs.
11723 (df_record_entry_block_defs): New function.
11724 * df-core.c: Added comments to describe new artifical defs.
11725 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11726 (entry_block_defs): New field in struct df.
11727 (df_all_hard_regs): Deleted.
11728 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11729 * df-problems.c (df_ru_bb_local_compute_process_def):
11730 Added code to handle artifical defs in the entry to a function.
11731 (df_ru_bb_local_compute): Ditto.
11732 (df_rd_bb_local_compute_process_def): Ditto.
11733 (df_rd_bb_local_compute): Ditto.
11734 (df_lr_bb_local_compute): Ditto.
11735 (df_ur_bb_local_compute): Ditto.
11736 (df_urec_bb_local_compute): Ditto.
11737 (df_chain_create_bb): Ditto.
11738 (df_ur_local_finalize): Removed entry.
11739 (df_urec_init): Ditto.
11740 (df_urec_local_finalize): Ditto.
11741 (df_ri_bb_compute): Added detection of last use of pseudos.
11742 * Makefile.in (df-scan.o): Updated dependencies.
11743 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11744 * config/mips/mips.c (mips_set_live_on_entry): Added.
11745 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11746 for target hook.
11747 * dce.c (marked_insn_p): Added code to handle artifical defs.
11749 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11751 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11752 intrinsic.
11753 (_mm_cvtsi128_si64): Likewise.
11754 (_mm_cvtsd_si64): Likewise.
11755 (_mm_cvttsd_si64): Likewise.
11756 (_mm_cvtsi64_sd): Likewise.
11757 (_mm_cvtsi64_si128): Likewise.
11758 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11759 (_mm_cvtsi64_m64): Likewise.
11760 (_m_to_int64): Likewise.
11761 (_mm_cvtm64_si64): Likewise.
11762 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11763 (_mm_cvttss_si64): Likewise.
11764 (_mm_cvtsi64_ss): Likewise.
11765 (_mm_cvtss_f32): Likewise.
11767 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11769 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11770 for pragma redefine_extname.
11772 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11774 PR target/25864
11775 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11776 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11777 -mno-minimal-toc to previous content.
11778 (bispecs): Remove goal.
11779 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11780 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11781 compatibility aliases on powerpc-*-*gnu*.
11782 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11783 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11784 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11785 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11786 (ldblspecs): New goal.
11787 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11788 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11789 _df_to_tf.
11790 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11791 L_sf_to_tf or L_df_to_tf is defined.
11793 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11794 Alan Modra <amodra@bigpond.net.au>
11796 PR target/25864
11797 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11798 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11799 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11800 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11801 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11802 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11803 (rs6000_override_options): Initialize rs6000_ieeequad.
11804 Initialize TFmode format to ibm_extended_format if not
11805 TARGET_IEEEQUAD.
11806 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11807 ieeelongdouble.
11808 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11809 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11810 (function_arg_advance): IBM long double passed in two FPRs, not
11811 split.
11812 (function_arg): IBM long double passed in FPRs.
11813 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11814 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11815 Only multireg GPR aligned.
11816 (rs6000_init_libfuncs): Enable IBM long double functions if not
11817 IEEEQUAD.
11818 (rs6000_generate_compare): Use IBM long double compare if not
11819 TARGET_IEEEQUAD.
11820 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11821 (TARGET_IEEEQUAD): Define.
11822 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11823 not TARGET_IEEEQUAD.
11824 * config/rs6000/rs6000.md: Enable TFmode patterns if
11825 !TARGET_IEEEQUAD.
11826 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11827 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11828 and -mlong-double-128 are incompatible.
11829 * doc/invoke.texi (-mabi): Collect options together. Add
11830 ibmlongdouble and ieeelongdouble.
11832 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11834 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11835 opaque type.
11836 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11837 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11838 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11839 * rtl.h (rtunion_def): Remove rt_ptr.
11840 (X0PTR): Delete.
11841 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11842 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11843 * config/i386/winnt.c (i386_pe_mark_dllexport)
11844 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11846 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11848 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11850 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11852 PR other/24829
11853 PR target/24831
11854 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11855 pthread_key_delete. From John David Anglin. gthrw-ify
11856 pthread_getunique_np only if it it's not a macro. Delete
11857 UNUSED macro.
11858 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11859 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11860 __gthread_objc_condition_signal, __gthread_key_delete): Add
11861 "__attribute__ ((__unused__))" to unused arguments.
11862 (__gthread_recursive_mutex_init_function): Add missing return.
11863 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11864 gthr-posix95.h: Use macro-based approach for name redirection
11865 on targets missing weakref.
11867 2006-01-26 Zack Weinberg <zackw@panix.com>
11869 * genconditions.c (write_header): In generated code, #ifdef out
11870 all includes and fake declarations, except includes of bconfig.h
11871 and system.h, unless GCC_VERSION >= 3001. Do not include
11872 gensupport.h in any case.
11873 (write_conditions): Generate a definition of struct c_test. Add
11874 a comment to the generated #endif.
11875 (write_one_condition): Escape backslashes in string too.
11876 (write_writer): Generated code must escape backslashes and quote
11877 marks (but not newlines) in the strings it writes.
11878 * Makefile.in (build/gencondmd.o): Update dependencies.
11880 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11882 PR target/25961
11883 * Makefile.in (insn-automata.o): Add header file dependencies.
11884 * genautomata.c: Add includes.
11886 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11888 PR target/25961
11889 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11891 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11893 * configure.ac: Expect target tools paths to be passed from the toplevel
11894 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11895 AS_SET_VAR_IF.
11896 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11898 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11900 PR c/25892
11901 * c.opt (Wpointer-sign): Init to -1.
11902 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11903 OPT_pedantic, to 0 otherwise.
11904 * doc/invoke.texi: Update.
11906 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11908 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11909 constants provided by 80387 instructions in the destination mode.
11911 2006-01-26 Richard Guenther <rguenther@suse.de>
11912 Andrew Pinski <pinskia@physics.uc.edu>
11914 PR tree-opt/21470
11915 partial PR tree-opt/17064
11916 * tree-ssa-structalias.c (intra_create_variable_infos):
11917 Create heap variables for incoming parameters if
11918 flag_argument_noalias > 1.
11919 (find_what_p_points_to): Look through default defs of
11920 parameter decls.
11922 2006-01-26 Jeff Law <law@redhat.com>
11924 PR ada/25900
11925 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11926 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11927 within the VR_RANGE, use the VR_RANGE as the result, not the
11928 VR_ANTI_RANGE.
11929 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11930 bounds for the type.
11932 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11934 * tree-ssa-alias.c (maybe_create_global_var): Change
11935 subvar walking to an assertion that we don't have subvar'd variables.
11937 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11939 PR C/25861
11940 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11941 Use a new variable, inner. PARM_DECLs are always non-weak.
11943 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11945 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11946 --disable-checking.
11948 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11950 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11952 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11954 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11955 (smax_insn, smin_insn, smax_0, smin_0): New.
11957 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11959 PR target/25947
11960 * config/cris/cris.c (cris_order_for_addsi3): New function.
11961 * config/cris/cris-protos.h: Prototype it.
11962 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11963 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11964 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11965 (split for "op.S1 [rx=rx+i],ry (swapped)")
11966 (split for "op(s|u).S1 [rx=rx+i],ry")
11967 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11968 Apply cris_order_for_addsi3 when generating addsi3 insns.
11970 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11972 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11973 (TREE_BLOCK): Add call to EXPR_CHECK.
11975 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11977 PR 25886
11978 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11979 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11980 (dump_omp_clauses): ... here.
11981 (dump_generic_node): Handle OMP_CLAUSE.
11982 * tree.c (omp_clause_num_ops): New.
11983 (omp_clause_code_name): New.
11984 (tree_code_size): Handle OMP_CLAUSE.
11985 (tree_size): Likewise.
11986 (make_node): Document handling of OMP_CLAUSE.
11987 (tree_node_structure): Handle OMP_CLAUSE.
11988 (omp_clause_check_failed): New.
11989 (omp_clause_range_check_failed): New.
11990 (omp_clause_operand_check_failed): New.
11991 (build_omp_clause): New.
11992 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11993 * tree.h (enum omp_clause_code): Declare.
11994 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11995 (OMP_CLAUSE_RANGE_CHECK): Define.
11996 (OMP_CLAUSE_ELT_CHECK): Define.
11997 (omp_clause_check_failed): Declare.
11998 (omp_clause_operand_check_failed): Declare.
11999 (omp_clause_range_check_failed): Declare.
12000 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12001 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12002 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12003 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12004 (OMP_CLAUSE_IF_EXPR): Likewise.
12005 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12006 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12007 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12008 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12009 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12010 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12011 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12012 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12013 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12014 (OMP_CLAUSE_CODE): Define.
12015 (OMP_CLAUSE_SET_CODE): Define.
12016 (OMP_CLAUSE_CODE): Define.
12017 (OMP_CLAUSE_OPERAND): Define.
12018 (struct tree_omp_clause): Declare.
12019 (union tree_node): Add field 'omp_clause'.
12020 * treestruct.def (TS_OMP_CLAUSE): Define.
12021 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12022 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12023 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12024 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12025 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12026 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12027 (OMP_CLAUSE): Define.
12028 * print-tree.c (print_node): Handle OMP_CLAUSE.
12029 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12030 * c-typeck.c: Likewise.
12031 * gimplify.c: Likewise.
12032 * c-omp.c: Likewise.
12033 * tree-nested.c: Likewise.
12034 * tree-inline.c: Likewise.
12035 * c-parser.c: Likewise.
12036 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12037 clauses.
12039 2006-01-25 Roger Sayle <roger@eyesopen.com>
12041 PR rtl-optimization/25703
12042 * combine.c (try_combine): Handle zero_extract and strict_low_part
12043 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12045 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12047 * global.c: Fix comment typos.
12049 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12051 PR target/25758
12052 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12053 Use output_addr_const instead of assemble_name.
12055 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12057 * Makefile.in (sched-vis.o): Update dependencies.
12058 * haifa-sched.c (sched_finish): Clear current_sched_info.
12059 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12060 (dump_flow_info): Call it.
12061 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12062 a slim RTL dump.
12063 * basic-block.h (dump_bb_info): Declare.
12064 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12065 option, and apply options only for dump files whose TDF_RTL,
12066 TDF_TREE, or TDF_IPA bits match.
12067 * rtl.h: Declare new functions exported from sched-vis.c.
12068 * sched-vis.c: Enable also if scheduling is not used.
12069 (print_value): Print the mode of registers if not inside scheduling.
12070 (print_insn): Make it work outside the scheduler. Beautify the output
12071 a bit.
12072 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12074 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12076 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12077 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12078 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12079 depending on the value of CONSTANT_POOL_ADDRESS_P.
12080 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12081 SYMBOL_REF_DECL.
12082 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12083 rather than SYMBOL_REF_DECL.
12084 (rtx_constant_pool): Remove const_rtx_sym_htab.
12085 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12086 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12087 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12088 Remove handling of const_rtx_sym_htab.
12089 (find_pool_constant): Delete.
12090 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12091 rather than find_pool_constant.
12092 (get_pool_constant_for_function): Delete.
12093 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12094 find_pool_constant.
12095 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12096 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12097 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12098 (SYMBOL_REF_CONSTANT): New macro.
12099 (get_pool_constant_for_function): Delete.
12100 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12101 rather than SYMBOL_REF_DECL.
12102 (i386_pe_mark_dllimport): Likewise.
12103 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12104 rather than SYMBOL_REF_DECL.
12105 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12106 (machopic_indirect_call_target): Likewise.
12108 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12110 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12112 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12114 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12116 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12118 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12120 2006-01-24 David Daney <ddaney@avtrex.com>
12122 PR java/25816
12123 * configure.ac (enable_tls): New enable option.
12124 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12125 * configure: Regenerate.
12126 * doc/install.texi (--enable-tls): Document new option.
12127 (--disable-tls): Ditto.
12129 2006-01-24 Richard Henderson <rth@redehat.com>
12131 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12132 * alias.c (true_dependence): Respect it.
12133 (canon_true_dependence, write_dependence_p): Likewise.
12134 * builtins.c (get_builtin_sync_mem): Set it.
12136 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12138 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12139 efficient way.
12141 2006-01-24 DJ Delorie <dj@redhat.com>
12143 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12144 for storing constants in single-bit bitfields.
12146 2006-01-25 Ben Elliston <bje@au.ibm.com>
12148 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12150 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12152 PR tree-opt/25860
12153 * tree-ssa-pre.c (phi_translate): Return NULL
12154 for AGGREGATE_TYPE's.
12156 2006-01-24 Zack Weinberg <zackw@panix.com>
12158 * genautomata.c (process_state_for_insn_equiv_partition):
12159 Use xcalloc for insn_arcs_array.
12160 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12161 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12163 2006-01-24 Richard Henderson <rth@redhat.com>
12165 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12166 update all callers.
12168 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12170 PR rtl-optimization/25890
12171 PR rtl-optimization/25905
12172 * combine.c (expand_compound_operation, expand_field_assignment):
12173 Fail if the bitfield's final position is out of bounds.
12175 2006-01-24 Ian Lance Taylor <ian@airs.com>
12177 PR middle-end/25930
12178 * cgraphunit.c (cgraph_output_in_order): Don't clear
12179 cgraph_asm_nodes until after asm strings have been output.
12181 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12183 * fix-header.c (read_scan_file): Add new parameter imultilib when
12184 calling register_include_chains.
12186 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12188 * omp-low.c: Update documentation.
12190 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12191 Daniel Berlin <dberlin@dberlin.org>
12193 PR tree-opt/25315
12194 PR tree-opt/25857
12195 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12196 return from the function.
12198 2006-01-22 Zack Weinberg <zackw@panix.com>
12200 * rtl.def (match_code): Add second argument.
12201 * genpreds.c (write_extract_subexp): New function.
12202 (write_match_code): Add path argument. Use write_extract_subexp.
12203 (write_predicate_expr): Pass path to write_match_code.
12204 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12205 not perform a mode test.
12206 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12207 a subexpression does not constrain the top-level code set.
12208 * read-rtl.c (read_rtx_variadic): New function.
12209 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12210 * doc/md.texi: Document new notation.
12211 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12212 (cmpsi_operand): ... here, using new notation.
12214 2006-01-22 Zack Weinberg <zackw@panix.com>
12216 * varray.c: Remove GENERATOR_FILE #ifdefs.
12218 2006-01-22 Zack Weinberg <zackw@panix.com>
12220 * genautomata.c (output_reserved_units_table): Emit nothing if
12221 description->query_units_num is zero. Remove extra blank line.
12222 (output_cpu_unit_reservation_p): Short circuit
12223 if description->query_units_num is zero.
12225 2006-01-22 Zack Weinberg <zackw@panix.com>
12227 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12228 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12229 nor any of the random handful of variables that used to be necessary
12230 when this program was linked with rtlanal.o. Prune set of forward
12231 function declarations.
12232 (struct attr_desc): Remove static_p field.
12233 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12234 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12235 (attr_string): Do not read the character one past the length of
12236 the string.
12237 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12238 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12239 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12240 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12241 (make_automaton_attrs): New.
12242 (main): Do not call into genautomata. Call local gen_bypass
12243 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12244 Remove special case for insn_alts.
12245 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12246 varray.h (leftover from previous change). Prune set of forward
12247 function declarations. Remove state_alts fields from all
12248 structures. Remove state_alts_table from struct automaton.
12249 Make everything except main static. Do not maintain num_dfa_decls.
12250 Do not maintain state_alts fields of various structures.
12251 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12252 (add_arc): Remove state_alts argument. All callers updated.
12253 (output_reserved_units_table): Emit #ifdef here...
12254 (output_tables): ...not here. Don't generate state_alts tables.
12255 (expand_automata): Don't generate attributes.
12256 (write_automata): Don't generate state_alts functions.
12257 (main): New function.
12258 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12259 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12260 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12261 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12262 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12263 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12264 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12265 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12266 Delete.
12267 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12268 * genattrtab.h: Delete file.
12269 * Makefile.in (OBJS-common): Add insn-automata.o.
12270 (insn-automata.o): New rule.
12271 (simple_generated_c): Add insn-automata.c.
12272 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12273 (genprogmd): Add automata.
12274 (build/genattrtab): Needs no extra objects nor libraries.
12275 (build/genautomata): Needs build/vec.o and -lm.
12277 2006-01-22 Zack Weinberg <zackw@panix.com>
12279 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12280 (output_dfa_max_issue_rate, locked_states_num): Delete.
12281 (struct automaton): Add locked_states field.
12282 (output_dead_lock_vect): Save number of locked states in
12283 automaton->locked_states. If it is zero, don't print anything.
12284 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12285 (output_internal_dead_lock_func): Only test the dead_lock_vect
12286 for automata that have locked states.
12287 (output_statistics): Always print the number of locked states for
12288 each automaton. Calculate total number of locked states here.
12289 (write_automata): Don't call output_dfa_max_issue_rate.
12290 * genattrtab.c: Define length_unit_log as a const variable.
12291 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12292 max_insn_queue_index const.
12293 * final.c (length_unit_log): Declare const.
12294 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12296 2006-01-22 Zack Weinberg <zackw@panix.com>
12298 * genautomata.c: Include vec.h, not varray.h.
12299 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12300 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12301 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12302 VEC_* macros operating on appropriately typed vectors, or to
12303 malloced arrays when the size is known in advance. Const-ify
12304 many char* variables and function arguments. No functional changes.
12305 * Makefile.in (build/varray.o): Delete rule.
12306 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12307 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12309 2006-01-22 Zack Weinberg <zackw@panix.com>
12311 * gensupport.c: Define get_insn_name and record_insn_name here.
12312 (read_md_rtx): Call record_insn_name as appropriate.
12313 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12314 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12315 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12316 record_insn_name.
12317 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12318 (BUILD_VARRAY): Delete.
12319 (genprognormal): Rename genprogmd. Fold in all programs from
12320 genprognoprint; also attrtab.
12321 (build/genattrtab): Just mention genautomata.o and varray.o.
12322 Reorganize a bit, add comments to make the categories clearer.
12324 2006-01-22 Zack Weinberg <zackw@panix.com>
12326 * genconditions.c (condition_table, add_condition): Delete.
12327 (write_conditions): Don't emit n_insn_conditions nor
12328 insn_elision_unavailable. Issue the gcc version #ifdef here,
12329 inside the table, with no #else clause ...
12330 (write_header): ...not here.
12331 (write_writer): New function.
12332 (main): Don't initialize condition_table. Use add_c_test.
12333 Call write_writer.
12334 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12335 files on the command line.
12336 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12337 Return -1 if there is no entry in the table, don't abort.
12338 (add_c_test, traverse_c_tests): New functions.
12339 * gensupport.h (insn_elision_unavailable, insn_conditions)
12340 (n_insn_conditions): Delete declarations.
12341 (add_c_test, traverse_c_tests): Declare.
12342 * read-rtl.c: Include gensupport.h.
12343 (read_conditions): New function.
12344 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12345 (read_rtx_1): If we get EOF when we were looking for an initial
12346 open paren, return 0. Call read_conditions when appropriate.
12347 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12348 dummy-conditions.o. Eliminate references to insn-conditions.o,
12349 or change them to build/gencondmd.o, as appropriate. Remove
12350 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12351 from $(simple_generated_c). For all files remaining in those
12352 two lists, add insn-conditions.md to the generator command line.
12353 Give insn-constants.h/s-constants their own rules. Add rules
12354 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12355 (build/read-rtl.o): Depend on gensupport.h.
12356 (genprognormal): Include preds.
12357 (genprogearly): Rename genprognoprint; only difference is now that
12358 they don't link with $(BUILD_PRINT).
12359 * dummy-conditions.c: Delete.
12361 2006-01-22 Zack Weinberg <zackw@panix.com>
12363 * genextract.c: Don't include insn-config.h. Do include vec.h.
12364 Declare vectors of int, char, and locstr.
12365 (locstr): New typedef.
12366 (struct extraction): Make all array fields into bare pointers.
12367 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12368 (insn_code_number): Delete.
12369 (accum_extract): New struct.
12370 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12371 (gen_insn): Take insn_code_number as an argument. Use an
12372 accum_extract structure instead of loading data directly into
12373 a struct extraction, and having to know how big it might get.
12374 (walk_rtx): Operate entirely on an accum_extract structure.
12375 (print_path): Avoid unnecessary use of printf.
12376 (print_header): New function, split out of main. Distinguish
12377 more carefully between an unrecognizable insn and an insn that
12378 has the code number of a define_expand.
12379 (main): Pass insn_code_number to gen_insn. Call print_header
12380 only after parsing. Avoid unnecessary use of printf.
12381 * Makefile.in (build/vec.o): New rule.
12382 (build/genextract): Depend on build/vec.o.
12383 (build/genextract.o): Don't depend on insn-config.h.
12385 2006-01-22 Zack Weinberg <zackw@panix.com>
12387 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12388 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12389 practical. Eliminate per-generator-program link rules.
12391 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12393 PR middle-end/24437
12394 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12395 with a call expr to ...
12396 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12398 2006-01-23 Richard Guenther <rguenther@suse.de>
12400 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12401 before make_edge with conditional EDGE_TRUE_VALUE.
12403 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12404 Jan Hubicka <jh@suse.cz>
12405 Richard Guenther <rguenther@suse.de>
12407 PR rtl-optimization/25654
12408 * cfgexpand.c (aggregate_contains_union_type): New function.
12409 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12410 for structure variables that contain a union type.
12412 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12414 * gengtype.c (new_structure): Return the structure.
12415 (create_option): Add an extra "next" argument.
12416 (create_field): New function.
12417 (adjust_field_rtx_def): Use create_option and create_field.
12418 Remove a now-unnecessary call to find_structure.
12419 (adjust_field_tree_def): Likewise.
12420 (note_yacc_type): Remove an unnecessary call to find_structure.
12421 * gengtype.h (new_structure): Return the structure.
12422 (create_option): Add an extra argument.
12423 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12424 (option): Adjust calls to create_option.
12426 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12428 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12430 2006-01-22 Paul Brook <paul@codesourcery.com>
12431 Peter Barada <peter@the-baradas.com>
12433 * config/m68k/m68k.md: Add Coldfire FPU support.
12434 Define FP mode macro and associated attributes.
12435 Use it for float mode patterns.
12436 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12437 (LIBCALL_VALUE): Use m68k_libcall_value.
12438 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12439 (m68k_function_value): Ditto.
12440 (emit_move_sequence): Ditto.
12441 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12442 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12443 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12444 (MULTILIB_EXCEPTIONS): Ditto.
12445 * config/m68k/m68k.opt: Add mcfv4e.
12446 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12447 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12448 (m68k_output_function_prologue): Save ColdFire FPU registers.
12449 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12450 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12451 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12452 ColdFire FPU registers.
12453 (m68k_libcall_value, m68k_function_value): New functions.
12454 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12455 (LIBCALL_VALUE): Use m68k_libcall_value.
12456 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12457 (MASK_COLDFIRE): Add MASK_CFV4E.
12458 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12459 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12460 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12461 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12462 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12463 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12464 * doc/invoke.tex: Document -mcfv4e on m68k.
12466 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12468 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12469 URL.
12471 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12473 PR c++/16190
12474 * c-opts.c (c_common_handle_option): Don't include
12475 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12476 * doc/invoke.texi (C++ Dialect Options): Document that
12477 -Wnon-virtual-dtor is no longer included in -Wall.
12479 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12481 * gcov.c (print_version), gcov-dump.c (print_version),
12482 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12483 dates.
12485 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12487 * df-scan.c (problem_SCAN): Added NULL reset function.
12488 (df_scan_reset_blocks): Added code to call reset block function
12489 (df_bb_refs_delete) Fixed comment.
12490 (df_insn_refs_delete): Made tolerant of deleting non existent info
12491 for dataflow problems that need to be reset.
12492 * df-core.c (df_set_blocks): Ditto.
12493 * df.h (struct df_problem): Added reset_fun.
12494 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12495 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12496 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12497 functions to clear out all references to def-use or use-def chains.
12499 2006-01-21 Ben Elliston <bje@au.ibm.com>
12501 * varasm.c (assemble_real): Initialise data array.
12503 2006-01-20 Paul Brook <paul@codesourcery.com>
12505 Merge from csl-arm-branch.
12506 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12507 * config/arm/arm.md (movdi): Force operands[1] to a register
12508 if we have a non-register source.
12509 (*arm_movdi, *movdf_soft_insn): Require that one of the
12510 operands be a register.
12511 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12512 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12514 2006-01-20 DJ Delorie <dj@redhat.com>
12516 * varasm.c (initializer_constant_valid_p): Allow pointers
12517 initialized from integer constants of lesser precision.
12518 (output_constant): Allow non-int-sized pointer modes to be
12519 initialized from integer constants.
12521 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12523 PR libstdc++/25524
12524 * cppdefault.h (struct default_include): Add multilib flag.
12525 * cppdefault.c (cpp_include_defaults): Set it.
12526 * c.opt (-imultilib): New option.
12527 * c-opts.c (imultilib): New.
12528 (c_common_handle_option): Handle -imultilib.
12529 (c_common_post_options): Likewise.
12530 * c-incpath.c (add_standard_paths, register_include_chains):
12531 Likewise.
12532 * c-incpath.h (register_include_chains): Add extra parameter.
12533 * gcc.c (do_spec_1): Generate -imultilib option.
12534 (The Specs Language): Update %I description.
12535 (process_command): Update copyright notice.
12536 * doc/cppopts.texi (-imultilib): Document.
12537 * doc/invoke.texi (-imultilib): Include in option summary.
12538 (%I): Update specs documentation.
12540 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12542 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12544 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12546 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12547 label numbers.
12549 2006-01-20 Richard Guenther <rguenther@suse.de>
12550 Steven Bosscher <stevenb.gcc@gmail.com>
12552 PR rtl-optimization/24626
12553 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12554 EDGE_TRUE_VALUE if in RTL mode.
12556 Revert
12557 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12558 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12560 2006-01-20 Dirk Mueller <dmueller@suse.com>
12562 PR c++/5520
12563 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12564 instead of a special NOP marker.
12565 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12566 NOP marker handling.
12567 * c-common.h (empty_body_warning): Add forward declaration.
12568 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12569 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12571 2006-01-20 Paul Brook <paul@codesourcery.com>
12573 * Makefile.in (lang_checks): Keep going if mkdir fails.
12575 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12577 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12578 be able to clean out basic block when not necessary.
12579 (df_scan_free): Fixed to properly delete information if df is
12580 unused before calling df_finish.
12581 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12582 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12583 or comment typos.
12584 (df_bb_refs_delete): New function.
12585 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12586 * df-core.c (df_set_blocks): Added code to properly clean out
12587 unused blocks if they are not part of the blocks to consider.
12588 Added additional null check.
12589 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12590 be able to clean out basic block when not necessary
12591 * df.h (df_free_bb_function): Ditto.
12592 (df_bb_refs_delete): New function.
12593 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12594 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12595 basic block parameter to be able to clean out basic block when not
12596 necessary.
12597 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12598 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12599 Fixed to properly delete information if df is unused before
12600 calling df_finish.
12602 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12604 PR rtl-optimization/25799
12605 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12606 Corrected confluence operator to remove bits from op2 before oring
12607 with op1 rather than removing bits from op1.
12608 (df_ru_transfer_function): Corrected test on wrong bitmap which
12609 caused infinite loop. Both of these problems were introduced in
12610 the dataflow rewrite.
12612 2006-01-19 DJ Delorie <dj@redhat.com>
12614 * reload1.c (find_reload_regs): Note the details of reload
12615 failures in the dump file.
12616 (spill_failure): Likewise.
12618 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12620 * loop-iv.c: Include df.h and hashtab.h.
12621 (enum iv_grd_result): New enum.
12622 (DF_REF_IV, DF_REF_IV_SET): New macros.
12623 (struct biv_entry): New.
12624 (df, bivs): New global variables.
12625 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12626 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12627 Removed.
12628 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12629 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12630 analyzed_for_bivness_p, record_biv): New functions.
12631 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12632 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12633 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12634 UD chains.
12635 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12636 analysed.
12637 (iv_number_of_iterations): Use new interface to iv analysis.
12638 * loop-unroll.c: Do not include varray.h.
12639 (analyze_iv_to_split_insn): Use new interface to iv
12640 analysis.
12641 * loop-unswitch.c (may_unswitch_on): Ditto.
12642 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12643 allocated.
12644 (df_bb_modify): Realloc tables to the new index.
12645 (df_find_use): New function.
12646 * df.h (df_find_use): Declare.
12647 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12648 outmode.
12649 * cfgloop.h (struct rtx_iv): Remove analysed field.
12650 (iv_get_reaching_def): Removed.
12651 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12652 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12653 (loop-iv.o): Add df.h and hashtab.h dependency.
12654 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12656 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12658 PR target/25668
12659 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12660 Double TFmode.
12661 (__floatundisf, __floatundidf): Likewise.
12662 * libgcc2.h (IS_IBM_EXTENDED): Define.
12664 2006-01-19 DJ Delorie <dj@redhat.com>
12666 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12668 2006-01-19 Paul Brook <paul@codesourcery.com>
12670 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12671 as nothrow when unwinding tables are disabled.
12673 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12675 PR testsuite/25171
12676 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12677 of bit-field" when in system header.
12679 2006-01-19 DJ Delorie <dj@redhat.com>
12681 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12682 the 16 bit shift limit of the m16c.
12684 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12686 PR target/22099
12687 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12688 * config/i386/i386.c (output_set_got): Output the label if we have one
12689 for the TARGET_DEEP_BRANCH_PREDICTION case.
12691 2006-01-19 Jan Hubicka <jh@suse.cz>
12692 H.J. Lu <hongjiu.lu@intel.com>
12693 Evandro Menezes <evandro.menezes@amd.com>
12695 * invoke.texi (generic): Document
12696 (i686) Update.
12697 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12698 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12699 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12700 (x86_use_incdec, x86_pad_returns): New variables
12701 (TARGET_CPU_DEFAULT_generic): New constant
12702 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12703 (enum processor_type): Add generic32 and generic64.
12704 * i386.md (cpu attribute): Add generic32/generic64
12705 (movhi splitter): Behave sanely when both partial_reg_dependency and
12706 partial_reg_stall are set.
12707 (K8 splitters): Enable for generic as well.
12708 * predicates.md (incdec_operand): Use TARGET_INCDEC
12709 (aligned_operand): Avoid memory mismatch stalls.
12710 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12711 * ppro.md: Enable for generic32
12712 * i386.c (generic64_cost, generic32_cost): New.
12713 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12714 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12715 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12716 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12717 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12718 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12719 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12720 x86_accumulate_outgoing_args, x86_prologue_using_move,
12721 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12722 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12723 Enable for generic.
12724 (x86_use_incdec, x86_pad_returns): New.
12725 (override_options): Add generic32 and generic64, translate "generic"
12726 to generic32/generic64 and "i686" to "generic32", refuse
12727 "generic32"/"generic64" as arch target.
12728 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12729 (ix86_reorg): Honor PAD_RETURNS.
12731 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12733 * tree-pretty-print.c (dump_generic_node): Handle
12734 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12735 * cgraph.c (cgraph_expand_queue): Rename from
12736 cgraph_analyze_queue. Update all users.
12737 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12738 cgraph_expand_queue.
12739 (cgraph_expand_all_functions): Likewise.
12740 (cgraph_finalize_pending_functions): Remove. Update callers.
12742 * tree.h (OMP_DIRECTIVE_P): Define.
12743 (OMP_PARALLEL_FN): Define.
12744 (OMP_PARALLEL_DATA_ARG): Define.
12745 (OMP_SECTIONS_SECTIONS): Define.
12746 * tree-pass.h (pass_expand_omp): Declare.
12747 * omp-low.c (struct omp_region): Declare.
12748 (struct omp_context): Remove fields 'parallel_type',
12749 'parallel_start_ix' and 'parallel_start_additional_args'.
12750 Update all users.
12751 (struct omp_for_data): Rename from struct expand_omp_for_data.
12752 (omp_regions): New static variable.
12753 (root_omp_region): New static variable.
12754 (find_omp_clause): Make static.
12755 (is_in_combined_parallel_ctx): Remove.
12756 (is_combined_parallel): New.
12757 (extract_omp_for_data): Move earlier in the file.
12758 (workshare_safe_to_combine_p): New.
12759 (get_ws_args_for): New.
12760 (determine_parallel_type): Move earlier in the file.
12761 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12762 child function.
12763 (omp_copy_decl): Likewise.
12764 (create_omp_child_function): Likewise.
12765 (lookup_omp_region): New.
12766 (dump_omp_region): New.
12767 (debug_omp_region): New.
12768 (debug_all_omp_regions): New.
12769 (new_omp_region): New.
12770 (scan_omp_parallel): If parallel_nesting_level > 1, the
12771 directive is nested within another parallel directive.
12772 Set OMP_PARALLEL_FN.
12773 (scan_omp_for): Do not try to handle combined parallel+for
12774 cases.
12775 Remove FIXME comment.
12776 (scan_omp_nested): Remove.
12777 (scan_omp_1): Do not call scan_omp_nested when
12778 parallel_nesting_level is > 1.
12779 Do not change the DECL_CONTEXT of local variables found.
12780 (lookup_decl_in_outer_ctx): New.
12781 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12782 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12783 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12784 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12785 If CTX is nested, lookup VAR in the outer context when
12786 building copy assignment.
12787 (lower_send_clauses): Rename from expand_send_clauses.
12788 If CTX is nested, lookup VAR in the outer context when
12789 building copy assignments.
12790 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12791 If CTX is nested, lookup VAR in the outer context when
12792 building copy assignments.
12793 (expand_parallel_call): Rename from build_parallel_call.
12794 Handle combined parallel+workshare cases.
12795 Re-implement to emit code into the CFG.
12796 (list2chain): New.
12797 (expand_omp_parallel): Re-implement to emit code into the CFG.
12798 Call move_sese_region_to_fn to outline the sub-graph
12799 containing the parallel region.
12800 (expand_omp_for_1): Remove.
12801 (expand_omp_for_generic): Re-implement to emit code into the
12802 CFG.
12803 (expand_omp_for_static_nochunk): Likewise.
12804 (expand_omp_for_static_chunk): Likewise.
12805 (expand_omp_for): Likewise.
12806 (expand_omp_sections): Likewise.
12807 (remove_exit_barriers): New.
12808 (expand_omp_synch): New.
12809 (expand_omp): New.
12810 (build_omp_regions_1): New.
12811 (build_omp_regions): New.
12812 (execute_expand_omp): New.
12813 (gate_expand_omp): New.
12814 (pass_expand_omp): Define.
12815 (lower_omp_sections): Rename from expand_omp_sections.
12816 Set OMP_SECTIONS_SECTIONS.
12817 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12818 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12819 (lower_omp_single): Rename from expand_omp_simple.
12820 (lower_omp_master): Rename from expand_omp_master.
12821 (lower_omp_ordered): Rename from expand_omp_ordered.
12822 (lower_omp_critical): Rename from expand_omp_critical.
12823 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12824 (lower_omp_for): Re-implement.
12825 (lower_omp_parallel): Re-implement.
12826 (lower_regimplify): Rename from expand_regimplify.
12827 (lower_omp_1): Rename from expand_omp_1.
12828 If there are syntax errors in the program, replace every
12829 OpenMP directive with NOP.
12830 Call lower_omp_* instead of expand_omp_*.
12831 (lower_omp): Rename from expand_omp.
12833 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12834 * tree-gimple.h (enum omp_parallel_type): Remove.
12835 (gimple_boolify): Declare extern.
12836 (find_omp_clause, determine_parallel_type): Remove.
12838 * gimple-low.c (lower_omp_directive): New.
12839 (lower_stmt): Call it.
12840 (record_vars_into): Move from ...
12841 (record_vars): ... here.
12842 Call record_vars_into with current_function_decl.
12844 * gimplify.c (struct gimplify_ctx): Remove fields
12845 combined_pre_p and combined_ctxp. Update users.
12846 (get_formal_tmp_var): Add documentation.
12847 (gimple_boolify): Make extern.
12848 (gimplify_expr_in_ctx): Remove. Update callers.
12849 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12850 will always be a BIND_EXPR.
12851 (gimplify_expr): Handle OMP_RETURN_EXPR.
12852 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12853 (OMP_PARALLEL): Add 3 operands.
12854 (OMP_SECTIONS): Add 1 operand.
12855 (OMP_RETURN_EXPR): Define.
12857 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12858 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12859 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12860 creating a circular free list.
12861 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12863 * tree-flow.h (move_sese_region_to_fn): Declare.
12864 (record_vars_into): Declare.
12865 * tree-cfg.c (make_omp_sections_edges): New.
12866 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12867 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12868 OMP_SECTIONS and OMP_SECTION.
12869 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12870 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12871 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12872 (gather_blocks_in_sese_region): New.
12873 (struct move_stmt_d): Declare.
12874 (move_stmt_r): New.
12875 (move_block_to_fn): New.
12876 (move_sese_region_to_fn): New.
12878 * passes.c (init_optimization_passes): Schedule
12879 pass_expand_omp after pass_init_datastructures.
12881 * tree-ssa-operands.c (get_expr_operands): Handle
12882 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12883 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12885 2006-01-19 Jeff Law <law@redhat.com>
12887 * tree-vrp.c (extract_range_from_assert): Refine the result range
12888 if the variable referenced by the ASSERT_EXPR has a range and
12889 either the tentative result range or the previous range is a
12890 VR_ANTI_RANGE.
12892 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12894 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12896 2006-01-19 Jan Hubicka <jh@suse.cz>
12898 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12900 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12902 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12903 (expand_compound_operation, expand_field_assignment): Fail if the
12904 bit lengths of an extract operation are out of range.
12905 (make_extraction): Compute wanted_inner_mode based on the position
12906 and length of the extraction. Make it extraction_mode for non-constant
12907 positions, and do not modify offset in that case. When generating a
12908 new MEM, use a mode that can hold the extraction while keeping correct
12909 alignment. Remove code that supported MEMs wrapped by USEs.
12910 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12912 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12914 * config/s390/s390.md ("Y", "y"): New mode attribute.
12915 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12916 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12917 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12918 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12919 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12920 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12921 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12922 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12923 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12924 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12925 "addsi3", "subsi3"): Insn patterns removed.
12926 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12927 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12928 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12929 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12930 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12931 "*sub<mode>3_cconly2"): New insn patterns.
12932 ("addsi3", "subsi3"): New expanders.
12934 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12936 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12937 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12938 existing STMT_VINFO_VECTYPE if available.
12939 (vect_mark_relevant): Add special handling for stmts that are
12940 marked as STMT_VINFO_IN_PATTERN_P.
12941 (vect_analyze_loop): Call vect_pattern_recog.
12942 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12943 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12944 stmt_info.
12945 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12946 (vect_recog_func_ptr): New function-pointer type.
12947 * tree-vect-patterns.c: New file.
12948 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12949 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12950 (vect_pattern_recog_1): New functions.
12951 (vect_pattern_recog_funcs): New array of function pointers.
12953 * tree-vectorizer.h (ternary_op): New enum value.
12954 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12955 declaration. Revised documentation. Removed redundant dump prints.
12956 Removed redundant argument. Added support for reduction patterns.
12957 (vectorizable_reduction): Added support for reduction patterns.
12958 (vect_transform_stmt): Added support for patterns.
12960 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12961 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12962 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12963 (expand_widen_pattern_expr): New function.
12964 (init_optabs): Initialize new optabs udot_prod_optab,
12965 sdot_prod_optab.
12966 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12967 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12968 (expand_widen_pattern_expr): New function declaration.
12969 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12970 tree-codes.
12971 * tree-inline.c (estimate_num_insns_1): Added cases for new
12972 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12973 * tree-pretty-print.c (dump_generic_node): Likewise.
12974 (op_prio): Likewise.
12975 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12976 * tree-ssa-operands.c (get_expr_operands): Added case for
12977 DOT_PROD_EXPR.
12978 * tree-vect-patterns.c (widened_name_p): New function.
12979 (vect_recog_dot_prod_pattern): Added function implementation.
12980 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12981 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12982 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12983 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12985 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12986 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12987 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12988 (init_optabs): Initialize new optabs widen_ssum_optab,
12989 widen_usum_optab.
12990 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12991 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12992 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12993 use instead of type of def.
12994 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12995 function implementation.
12996 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12997 widen_ssumv8hi): New.
12999 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13000 patterns.
13002 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13004 PR c/25805
13005 * c-decl.c (add_flexible_array_elts_to_size): New function.
13006 (finish_decl): Use it.
13008 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13010 * diagnostic.h: Include options.h.
13011 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13012 dependancies for diagnostic.h.
13013 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13015 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13017 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13018 (ssa_ro_call_cache_valid): Ditto.
13019 * tree-ssa-alias.c (sort_tags_by_id): New function.
13020 (init_transitive_clobber_worklist): Ditto.
13021 (add_to_worklist): Ditto.
13022 (mark_aliases_call_clobbered): Ditto.
13023 (compute_tag_properties): Ditto.
13024 (set_initial_properties): Ditto.
13025 (compute_call_clobbered): Ditto.
13026 (compute_may_aliases): Call compute_call_clobbered and grouping.
13027 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13028 (compute_flow_insensitive_aliasing): Grouping now happens in our
13029 caller.
13030 (setup_pointers_and_addressables): Remove clobbering related code.
13031 (add_may_alias): Ditto.
13032 (replace_may_alias): Ditto.
13033 (get_nmt_for): Ditto.
13034 (create_global_var):
13035 (is_escape_site): Return an escape_type enumeration.
13036 * tree-flow-inline.h (is_call_clobbered): Global var does not
13037 imply call clobbered.
13038 (mark_call_clobbered): Take a reason for marking this. Remove
13039 marking of globalness, and cache invalidation.
13040 (clear_call_clobbered): Remove cache invalidation code.
13041 * tree-dfa.c (dump_variable): If details is on, dump the reason
13042 for escaping.
13043 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13044 variable.
13045 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13046 (struct var_ann_d): Ditto.
13047 (enum escape_type): New.
13048 (mark_call_clobbered): Adjust prototype.
13049 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13050 are never call clobbered.
13051 Record reasons for escaping.
13052 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13053 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13054 (ssa_ro_call_cache_valid): Ditto.
13055 (clobbered_v_may_defs): Ditto.
13056 (clobbered_vuses): Ditto.
13057 (ro_call_vuses): Ditto.
13058 (clobber_stats): New.
13059 (init_ssa_operands): Zero out clobber stats.
13060 (fini_ssa_operands): Print out clobber stats.
13061 (get_call_expr_operands): Pass callee fndecl to
13062 add_call_read_ops).
13063 (add_call_clobber_ops): Remove use of cache.
13064 Add use of PURE_CONST information.
13065 (add_call_read_ops): Remove use of cache.
13066 Add use of static not_read information.
13068 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13070 Introduce TLS descriptors for i386 and x86_64.
13071 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13072 (TARGET_ANY_GNU_TLS): New macro.
13073 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13074 (struct machine_function): Add tls_descriptor_call_expanded_p.
13075 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13076 (ix86_current_function_calls_tls_descriptor): Likewise.
13077 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13078 (override_options): Introduce gnu2 tls dialect.
13079 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13080 not leaves.
13081 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13082 Likewise.
13083 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13084 (ix86_init_machine_status): Initialize new field.
13085 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13086 (ix86_tls_module_base): New.
13087 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13088 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13089 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13090 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13091 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13092 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13093 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13094 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13095 * config/i386/predicates.md (tls_modbase_operand): New.
13096 (tp_or_register_operand): New.
13098 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13100 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13101 (look_for_address_of): Ditto.
13102 (ipa_init): Walk the function decls.
13103 (static_execute): Don't set readonly on FUNCTION_DECL's.
13105 2006-01-18 Roger Sayle <roger@eyesopen.com>
13107 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13108 for shifts where the source and destination registers are different.
13110 2006-01-18 Paul Brook <paul@codesourcery.com>
13112 Merge from csl-arm-branch.
13113 2005-03-14 Julian Brown <julian@codesourcery.com>
13114 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13115 (aeabi_llsl): Likewise.
13116 (ashrdi3): Likewise.
13117 (aeabi_lasr): Likewise.
13118 (lshrdi3): Likewise.
13119 (aeabi_llsr): Likewise.
13120 2005-03-10 Julian Brown <julian@codesourcery.com>
13121 * config.gcc: Disable shared libgcc for SymbianOS.
13122 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13124 2006-01-18 DJ Delorie <dj@redhat.com>
13126 * c-pragma.c (handle_pragma_diagnostic): New.
13127 (init_pragma): Register it.
13128 * doc/extend.texi: Document it.
13130 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13131 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13132 (diagnostic_context): Add classify_diagnostic[].
13133 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13134 as errors if they're overridden to DK_WARNING.
13135 (diagnostic_initialize): Initialize classify_diagnostic[].
13136 (diagnostic_set_kind_override): New.
13137 (diagnostic_report_diagnostic): Check for kind changes.
13138 * opts.c (common_handle_option): Take lang_mask. Update callers.
13139 Handle OPT_Werror_.
13140 * common.opt (Werror=): New.
13141 * doc/invoke.texi: Document -Werror=*
13143 2006-01-18 Jeff Law <law@redhat.com>
13145 * tree-vrp.c (test_for_singularity): Correct test for new
13146 min limit. Use operand_equal_p rather than pointer equality
13147 for testing if new min/max values are equal.
13149 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13150 using range information until after propagation and folding.
13152 2006-01-18 Richard Henderson <rth@redhat.com>
13153 Aldy Hernandez <aldyh@redhat.com>
13154 Jakub Jelinek <jakub@redhat.com>
13155 Diego Novillo <dnovillo@redhat.com>
13157 * omp-low.c: New file.
13158 * c-omp.c: New file.
13160 2006-01-18 Richard Henderson <rth@redhat.com>
13161 Jakub Jelinek <jakub@redhat.com>
13162 Diego Novillo <dnovillo@redhat.com>
13164 * doc/invoke.texi: Document -fopenmp.
13165 * tree-dump.h (debug_function): Declare.
13166 * hooks.c (hook_bool_tree_bool_false): New function.
13167 (hook_tree_tree_null): Remove.
13168 (hook_tree_tree_tree_null): New.
13169 * hooks.h: Update to match.
13170 * tree-pretty-print.c (debug_tree_chain): New.
13171 (print_generic_expr): Handle TDF_CHAIN.
13172 (dump_generic_node): Handle BLOCK.
13173 Do not abort with incomplete SWITCH_EXPRs.
13174 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13175 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13176 print space after directive name.
13177 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13178 Handle OMP_MASTER and OMP_ORDERED.
13179 Handle printing of OMP_BODY just in one place, goto
13180 dump_omp_body in the rest of OMP_* nodes that have
13181 OMP_BODY.
13182 Don't handle clause nodes here. Update omp statements to
13183 use dump_omp_clauses.
13184 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13185 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13186 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13187 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13188 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13189 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13190 Adjust output for GOMP_PARALLEL.
13191 (dump_omp_clauses): New.
13192 (print_declaration): Dump DECL_VALUE_EXPR.
13193 (op_symbol_1): Split out of op_symbol.
13194 (dumping_stmts): Remove. Update all users.
13195 * cgraph.c (cgraph_analyze_queue): New.
13196 (cgraph_add_new_function): New.
13197 * cgraph.h (cgraph_analyze_queue): Declare.
13198 (cgraph_add_new_function): Declare.
13199 (cgraph_lower_function): Remove.
13200 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13201 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13202 and TYPE_P nodes in its default clause.
13203 (empty_body_p): New.
13204 (tree_range_check_failed): New.
13205 (build5_stat): New.
13206 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13207 OMP_CLAUSE_REDUCTION_MERGE,
13208 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13209 OMP_CLAUSE_PRIVATE_DEBUG,
13210 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13211 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13212 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13213 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13214 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13215 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13216 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13217 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13218 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13219 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13220 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13221 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13222 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13223 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13224 (TREE_RANGE_CHECK): New.
13225 (empty_body_p): Declare.
13226 (enum omp_clause_default_kind): New.
13227 (build_string_literal): Declare.
13228 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13229 (build5_stat, build5): Declare.
13230 * tree-pass.h (TDF_CHAIN): Define.
13231 * tree-pass.h (PROP_gimple_lomp): Define.
13232 (pass_lower_omp): Declare.
13233 * diagnostic.h (debug_tree_chain): Declare.
13234 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13235 mode_for_size.
13236 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13237 * builtins.c (build_string_literal): Make extern.
13238 * gcc.c (include_spec_function): New.
13239 (static_spec_functions): Add it.
13240 (main): Move load of libgomp.spec ...
13241 (LINK_COMMAND_SPEC): ... here.
13242 (link_gomp_spec): New.
13243 (static_specs): Include it.
13244 (LINK_COMMAND_SPEC): Add link_gomp.
13245 (GOMP_SELF_SPECS): New.
13246 (driver_self_specs): Include it.
13247 (switch_matches): Don't mark inline.
13248 (main): Load libgomp.spec.
13249 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13250 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13251 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13252 * tree-gimple.h (enum omp_parallel): Declare.
13253 (determine_parallel_type): Declare.
13254 (omp_firstprivatize_variable): Declare.
13255 (omp_reduction_init): Declare.
13256 (diagnose_omp_structured_block_errors): Declare.
13257 (struct walk_stmt_info): Add want_return_expr.
13258 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13259 (find_omp_clause): Declare.
13260 (insert_field_into_struct): Declare.
13261 (struct walk_stmt_info): Move from tree-nested.c
13262 (walk_stmts): Declare.
13263 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13264 to 200505.
13265 * cgraphunit.c (cgraph_lower_function): Make static.
13266 (cgraph_finalize_pending_functions): New.
13267 (cgraph_finalize_function): Call it.
13268 (cgraph_finalize_compilation_unit): Likewise.
13269 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13270 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13271 (BT_FN_UINT_UINT): New.
13272 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13273 DEF_FUNCTION_TYPE_VAR_4): Document.
13274 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13275 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13276 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13277 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13278 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13279 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13280 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13281 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13282 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13283 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13284 into separate files.
13285 (DEF_GOMP_BUILTIN): New.
13286 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13287 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13288 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13289 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13290 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13291 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13292 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13293 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13294 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13295 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13296 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13297 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13298 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13299 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13300 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13301 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13302 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13303 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13304 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13305 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13306 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13307 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13308 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13309 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13310 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13311 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13312 * sync-builtins.def: New file, moved from builtins.def.
13313 * omp-builtins.def: New file, moved from builtins.def.
13314 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13315 * gimple-low.c (lower_function_body): Clear data.
13316 (lower_stmt): Do not handle COMPOUND_EXPR.
13317 Remove call to print_node_brief.
13318 * c-tree.h (c_finish_omp_clauses): New prototype.
13319 (C_DECL_THREADPRIVATE_P): Define.
13320 (lookup_name_no_remap, c_omp_remap_private): Remove
13321 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13322 (check_for_loop_decls): Update decl.
13323 (lookup_name_no_remap, c_omp_remap_private): Declare.
13324 (build_indirect_ref, build_modify_expr, pushdecl,
13325 pushdecl_top_level): Move to c-common.h.
13326 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13327 before the switch, but just in the 2 places that need it.
13328 * c-decl.c (diagnose_mismatched_decls): Do not check for
13329 mismatched thread-local attributes when OLDDECL is marked
13330 threadprivate and NEWDECL has no thread-local attributes.
13331 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13332 (c_gimple_diagnostics_recursively): Rename from
13333 c_warn_unused_result_recursively. Invoke
13334 diagnose_omp_structured_block_errors.
13335 (check_for_loop_decls): Return a singular decl found.
13336 * langhooks.c (lhd_omp_predetermined_sharing): Return
13337 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13338 (lhd_omp_firstprivatize_type_sizes): New.
13339 (lhd_omp_assignment): New.
13340 (lhd_omp_predetermined_sharing): New.
13341 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13342 (struct lang_hooks_for_types): Add
13343 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13344 omp_predetermined_sharing, omp_disregard_value_expr,
13345 omp_private_debug_clause, omp_clause_default_ctor,
13346 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13347 (c_finish_omp_clauses): New.
13348 (c_finish_bc_stmt): Diagnose break within omp for.
13349 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13350 (build_unary_op): Return error_mark after reporting
13351 a readonly_error.
13352 (build_modify_expr): Likewise.
13353 * gimplify.c: Include optabs.h and pointer-set.h.
13354 (enum gimplify_omp_var_data): Declare.
13355 (struct gimplify_omp_ctx): Declare.
13356 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13357 and combined_ctxp.
13358 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13359 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13360 (splay_tree_compare_decl_uid): New.
13361 (new_omp_context): New.
13362 (delete_omp_context): New.
13363 (gimple_add_tmp_var): Call omp_add_variable.
13364 (gimplify_bind_expr): Likewise.
13365 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13366 true, disregard DECL_VALUE_EXPR on the decl if any.
13367 (gimplify_expr_in_ctx): New.
13368 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13369 omp_add_variable, omp_notice_variable, omp_is_private
13370 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13371 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13372 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13373 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13374 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13375 gimplify_omp_atomic): New.
13376 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13377 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13378 OMP_CRITICAL and OMP_ATOMIC.
13379 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13380 * c-pragma.h (enum pragma_kind): Add
13381 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13382 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13383 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13384 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13385 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13386 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13387 PRAGMA_OMP_THREADPRIVATE.
13388 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13389 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13390 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13391 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13392 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13393 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13394 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13395 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13396 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13397 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13398 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13399 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13400 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13401 OpenMP directives.
13402 (struct nesting_info): Add field_map,
13403 suppress_expansion, debug_var_chain.
13404 (create_nesting_tree): Initialize them.
13405 (lookup_field_for_decl): Use field_map.
13406 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13407 (convert_local_omp_clauses): New.
13408 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13409 (walk_body): Split out of walk_function.
13410 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13411 (convert_nonlocal_reference): Handle omp statements.
13412 (convert_local_reference): Likewise.
13413 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13414 (unnest_nesting_tree): New.
13415 (lower_nested_functions): Call it.
13416 (insert_field_into_struct): Make extern.
13417 (struct walk_stmt_info): Move to tree-gimple.h.
13418 (walk_stmts): Make extern.
13419 * omp-builtins.def: New file.
13420 * tree-iterator.c (expr_only): Clarify comment.
13421 * c-common.h (pushdecl_top_level, pushdecl,
13422 build_modify_expr, build_indirect_ref,
13423 c_finish_omp_master, c_finish_omp_critical,
13424 c_finish_omp_ordered, c_finish_omp_barrier,
13425 c_finish_omp_atomic, c_finish_omp_flush,
13426 c_finish_omp_for, c_split_parallel_clauses,
13427 omp_clause_default_kind, c_omp_sharing_predetermined,
13428 c_omp_remap_decl): Declare.
13429 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13430 (OBJS-common): Add omp-low.o.
13431 (c-omp.o, omp-low.o): Add.
13432 (gimplify.o): Add dependency on $(OPTABS_H).
13433 (GTFILES): Add omp-low.c.
13434 (gt-stringpool.h): Add.
13435 * tree-cfg.c (set_bb_for_stmt): Do not update the
13436 block-to-labels map if we are currently expanding to RTL.
13437 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13438 checks.
13439 Handle IDENTIFIER_NODE.
13440 (tree_verify_flow_info): Do not ICE when emitting error
13441 messages about invalid labels.
13442 (dump_function_to_file): Reset CFUN before emitting the body
13443 of the function.
13444 (debug_function): New.
13445 * passes.c (init_optimization_passes): Schedule
13446 pass_lower_omp.
13447 * langhooks-def.h (lhd_omp_predetermined_sharing,
13448 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13449 Declare.
13450 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13451 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13452 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13453 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13454 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13455 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13456 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13457 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13458 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13459 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13460 (LANG_HOOK_DECLS): Use them.
13462 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13463 Richard Henderson <rth@redhat.com>
13464 Jakub Jelinek <jakub@redhat.com>
13465 Diego Novillo <dnovillo@redhat.com>
13467 * c-parser.c (pragma_omp_clause): Define.
13468 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13469 (c_parser_compound_statement): Likewise.
13470 (c_parser_statement): Likewise.
13471 (c_parser_pragma): Handle omp pragmas.
13472 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13473 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13474 (c_parser_omp_clause_name, check_no_duplicate_clause,
13475 c_parser_omp_variable_list,
13476 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13477 c_parser_omp_clause_copyprivate,
13478 c_parser_omp_clause_default,
13479 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13480 c_parser_omp_clause_lastprivate,
13481 c_parser_omp_clause_nowait,
13482 c_parser_omp_clause_num_threads,
13483 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13484 c_parser_omp_clause_reduction,
13485 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13486 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13487 c_parser_omp_atomic, c_parser_omp_barrier,
13488 c_parser_omp_critical, c_parser_omp_flush,
13489 c_parser_omp_for_loop, c_parser_omp_for,
13490 c_parser_omp_master, c_parser_omp_ordered,
13491 c_parser_omp_sections_scope, c_parser_omp_sections,
13492 c_parser_omp_parallel, c_parser_omp_single,
13493 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13494 * c-pragma.c (init_pragma): Do omp pragma registration here.
13495 * c.opt (fopenmp): New flag.
13497 2006-01-18 Eric Christopher <echristo@apple.com>
13499 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13500 * config/darwin.h (GOMP_SELF_SPECS): Define.
13502 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13504 * rtl.h: Remove the prototype for reg_alloc.
13506 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13508 PR target/25731
13509 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13510 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13511 sjlj and dwarf2 exception handling.
13512 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13513 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13514 * pa/pa.c (function_value): Treat complex and vector types as
13515 aggregates.
13516 (function_arg): Likewise. Only pass scalar floats in the floating
13517 point argument registers.
13518 * pa/t-slibgcc-dwarf-ver: New file.
13519 * pa/t-slibgcc-sjlj-ver: New file.
13520 * pa/t-slibgcc-elf-ver: Delete file.
13522 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13524 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13525 unlikely_test_section_p test.
13527 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13529 * mode-switching.c (optimize_mode_switching): Make it static.
13530 * basic-block.h: Remove the prototype for
13531 optimize_mode_switching.
13533 * modulo-sched.c (sms_schedule): Make it static.
13534 * rtl.h: Remove the prototype for sms_schedule.
13536 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13537 * rtl.h: Remove the prototype for gcse_after_reload_main.
13539 * reg-stack.c (reg_to_stack): Make it static.
13540 * rtl.h: Remove the prototype for reg_to_stack.
13542 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13543 Make them static.
13544 * rtl.h: Remove the prototypes for regrename_optimize and
13545 copyprop_hardreg_forward.
13547 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13549 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13550 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13551 Test against the appropriate null constant for the mode.
13552 If 'fixup_overlap' is true, swap the operands if they overlap.
13553 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13554 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13555 alpha_split_tmode_pair and adjust for above change.
13556 * config/alpha/alpha.md (movtf_internal): Adjust call to
13557 alpha_split_tfmode_pair and rely on it to swap the operands.
13558 (movti_internal): New insn and post-reload splitter.
13559 (movti): New expander.
13561 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13563 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13564 operands.
13566 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13568 * rtlanal.c (global_reg_mentioned_p_1,
13569 global_reg_mentioned_p): Remove.
13570 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13572 * flow.c (initialize_uninitialized_subregs): Make it static.
13573 * rtl.h: Remove the prototype for
13574 initialize_uninitialized_subregs.
13576 * function.c (instantiate_virtual_regs): Make it static.
13577 * function.h: Remove the prototype for
13578 instantiate_virtual_regs.
13580 * regmove.c (regmove_optimize, combine_stack_adjustments):
13581 Make them static.
13582 * rtl.h: Remove the prototypes for regmove_optimize and
13583 combine_stack_adjustments.
13585 2006-01-17 Roger Sayle <roger@eyesopen.com>
13587 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13588 (size_cost): Encode costs in bytes so that a reg-reg addition is
13589 equivalent to COSTS_N_INSNS(1).
13590 (override_options): Use the size_cost.branch_cost as the default
13591 ix86_branch_cost when optimizing for size.
13593 2006-01-18 Ben Elliston <bje@au.ibm.com>
13595 * Makefile.in (D32PBIT_FUNCS): New.
13596 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13597 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13598 D64PBIT_FUNCS and D128PBIT_FUNCS.
13599 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13600 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13601 D128PBIT are set.
13602 (decnumber_dep): Define.
13603 * doc/libgcc.texi (Decimal float library routines): New node.
13604 * config/dfp-bit.h, config/dfp-bit.c: New files.
13606 2006-01-18 Ben Elliston <bje@au.ibm.com>
13608 * expr.c (emit_move_change_mode): Always adjust addresses, not
13609 just during reload. Copy replacements only during reload.
13610 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13611 emit_move_via_integer.
13613 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13615 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13616 instead of $(srcdir) and ${srcdir}.
13618 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13620 PR target/592
13621 PR middle-end/11135
13622 * arm.h (struct machine_function): Add pic_reg.
13623 * arm.c (arm_pic_register): Make unsigned.
13624 (arm_override_options): Only set arm_pic_register if
13625 TARGET_SINGLE_PIC_BASE.
13626 (use_return_insn): Only test for a pic register if it is fixed.
13627 (arm_compute_save_reg0_reg12_mask): Likewise.
13628 (thumb_compute_save_reg_mask): Likewise.
13629 (legitimate_pic_operand): Factor out some known invariants.
13630 (legitimize_pic_address): If we don't have a fixed pic register,
13631 then set up a pseudo in the function entry sequence. Handle the
13632 pic base being in a pseudo.
13633 (arm_load_pic_register): Handle the pic register being in a pseudo.
13634 (arm_expand_prologue): Only set up the pic register if it is fixed.
13635 (thumb_expand_prologue): Likewise.
13636 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13637 (pic_load_addr_based_insn): Likewise.
13638 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13639 fixed.
13641 2006-01-18 Ben Elliston <bje@au.ibm.com>
13643 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13644 decimal float modes for all floating point registers.
13646 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13647 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13649 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13651 PR c/25682
13652 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13653 even when the pointer is not NULL.
13655 2006-01-16 Ian Lance Taylor <ian@airs.com>
13657 * common.opt (ftoplevel-reorder): New option.
13658 * cgraph.c (cgraph_asm_nodes): New global variable.
13659 (cgraph_asm_last_node): New static variable.
13660 (cgraph_order): New global variable.
13661 (cgraph_create_node): Set new order field.
13662 (cgraph_varpool_node): Likewise.
13663 (decide_is_variable_needed): Return true if not
13664 flag_toplevel_reorder.
13665 (cgraph_add_asm_node): New function.
13666 * cgraph.h (struct cgraph_node): Add order field.
13667 (struct cgraph_varpool_node): Add order field.
13668 (struct cgraph_asm_node): Define.
13669 (cgraph_asm_nodes, cgraph_order): Declare.
13670 (cgraph_add_asm_node): Declare.
13671 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13672 function.
13673 (cgraph_varpool_assemble_pending_decls): Call it.
13674 (cgraph_output_pending_asms): New static function.
13675 (cgraph_finalize_compilation_unit): Call it.
13676 (struct cgraph_order_sort): Define.
13677 (cgraph_output_in_order): New static function.
13678 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13679 !flag_toplevel_reorder case.
13680 * c-parser.c: Include "cgraph.h".
13681 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13682 assemble_asm.
13683 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13684 than -fno-unit-at-a-time.
13685 * doc/invoke.texi (Option Summary): Mention
13686 -fno-toplevel-reorder.
13687 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13688 -funit-at-a-time documentation.
13690 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13691 Kazu Hirata <kazu@codesourcery.com>
13693 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13695 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13697 * Makefile.in (FUNCTION_H): New. Use it instead of
13698 function.h throughout the file.
13699 * function.h: Include tree.h.
13701 2006-01-17 Ben Elliston <bje@au.ibm.com>
13703 * recog.c: Separate some functions with whitespace.
13705 2006-01-16 Richard Henderson <rth@redhat.com>
13707 Merge from gomp branch:
13708 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13709 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13710 and rename from struct inline_data. Rename callee* to dst*;
13711 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13712 transform_new_cfg, transform_return_to_modify, and
13713 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13714 update_clones_p.
13715 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13716 (copy_decl_for_dup): Remove.
13717 * tree-inline.c (struct inline_data): Move to header.
13718 (insert_decl_map): Export.
13719 (remap_decl): Update for member name changes. Use copy_decl hook.
13720 Allow for replacement to be a non-decl. Remove dead code.
13721 (remap_type_1): Check for existing mapping.
13722 (remap_type): Export.
13723 (remap_decls): Update for member name changes.
13724 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13725 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13726 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13727 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13728 (tree_function_versioning, build_duplicate_type): Likewise.
13729 (copy_body_r): Likewise. Export.
13730 (copy_decl_for_dup): Split into ...
13731 (copy_decl_for_dup_finish, copy_decl_to_var,
13732 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13733 (replace_ref_tree, inlining_p): Remove.
13735 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13737 * ifcvt.c (if_convert): Make it static.
13738 * rtl.h: Remove the prototype for if_convert.
13740 * local-alloc.c (local_alloc): Make it static.
13741 * rtl.h: Remove the prototype for local_alloc.
13743 * loop.c (loop_optimize): Make it static.
13744 * cfgloop.h: Remove the prototype for loop_optimize.
13745 * rtl.h: Likewise.
13747 2006-01-16 DJ Delorie <dj@redhat.com>
13749 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13750 mems.
13752 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13754 * pa.md: Disparage copies between general and floating-point registers
13755 in 32-bit move patterns.
13757 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13759 PR testsuite/25741
13760 * Makefile.in (check-%): Depend on site.exp instead of
13761 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13762 directories.
13764 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13766 * global.c (global_alloc): Make it static.
13767 * rtl.h: Remove the prototype for global_alloc.
13769 2006-01-16 Richard Guenther <rguenther@suse.de>
13771 * tree-ssa-alias.c (struct used_part): Add write_only field.
13772 (get_or_create_used_part_for): Initialize it to true.
13773 (create_overlap_variables_for): Don't create structure variables
13774 for structures that only are written to.
13775 (find_used_portions): Handle MODIFY_EXPR to track whether a
13776 structure is only written to.
13778 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13780 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13781 static.
13782 * basic-block.h: Remove the prototype for
13783 partition_hot_cold_basic_blocks.
13785 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13787 * cppspec.c (lang_specific_spec_functions): Remove.
13788 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13789 * gcc.h (lang_specific_spec_functions): Remove.
13790 * gccspec.c (lang_specific_spec_functions): Remove.
13792 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13794 * combine.c (record_value_for_reg): Invalidate registers
13795 if INSN is null.
13796 (record_dead_and_set_regs_1): Likewise, by passing them to
13797 record_value_for_reg.
13798 (record_dead_and_set_regs): Invalidate stores made by a
13799 call. We do not combine across a call, but we still
13800 relied on equivalences.
13802 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13804 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13805 vrp_int_const_binop returning non-constant nodes.
13807 2006-01-16 Paul Brook <paul@codesourcery.com>
13809 * config/m68k/m68k.c (output_move_const_into_data_reg):
13810 Output correct mnemonic for mvz and mvs.
13812 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13814 * rtl-factoring.c: Add sequence abstraction algorithm.
13815 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13816 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13817 ABNORMAL edges.
13818 (block_has_preserve_label): New function.
13819 * common.opt: Register new pass.
13820 * Makefile.in: Ditto.
13821 * passes.c: Ditto.
13822 * timevar.def: Ditto.
13823 * tree-pass.h: Ditto.
13824 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13825 * rtl.h (make_jump_insn_raw): Add forward decl.
13826 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13828 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13829 Roger Sayle <roger@eyesopen.com>
13831 * fold-const.c (fold_minmax): New static function.
13832 (fold_binary) <MIN_EXPR>: Call it.
13833 <MAX_EXPR>: Likewise.
13834 * stor-layout.c (place_field): Use DECL_SIZE consistently
13835 in the computation of the new record size.
13837 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13839 * cse.c (cse_condition_code_reg): Make it static.
13840 * rtl.h: Remove the prototype for cse_condition_code_reg.
13842 * combine.c (combine_instructions): Make it static.
13843 * rtl.h: Remove the prototype for combine_instructions.
13845 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13847 PR target/25168
13848 * tree.c (get_file_function_name_long): Concatenate the first global
13849 object name with a string derived from the input filename of the object
13850 for type "F".
13852 2006-01-16 Ben Elliston <bje@au.ibm.com>
13854 * config/i386/winnt-stubs.c: Update FSF address.
13855 * config/xtensa/ieee754-df.S: Ditto.
13856 * config/xtensa/ieee754-sf.S: Ditto.
13858 2006-01-14 Ian Lance Taylor <ian@airs.com>
13860 * ifcvt.c (noce_init_if_info): New static function, broken out of
13861 noce_process_if_block.
13862 (noce_process_if_block): Call noce_init_if_info.
13863 (check_cond_move_block): New static function.
13864 (cond_move_process_if_block): New static function.
13865 (process_if_block): Call cond_move_process_if_block.
13867 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13869 * cselib.c (hash_table): Rename to cselib_hash_table.
13870 (cselib_clear_table, discard_useless_values,
13871 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13872 cselib_init, cselib_finish): Adjust uses of hash_table.
13874 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13876 PR tree-optimization/25485
13877 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13878 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13879 is known to be false and true, respectively.
13881 2006-01-14 Richard Guenther <rguenther@suse.de>
13883 PR tree-optimization/22548
13884 PR tree-optimization/22555
13885 PR tree-optimization/22501
13886 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13887 * params.def (salias-max-array-elements): New parameter.
13888 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13889 * doc/invoke.texi (salias-max-array-elements): Document.
13890 * tree-flow-inline.h (var_can_have_subvars): We also handle
13891 arrays now.
13892 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13893 COMPONENT_REF.
13894 * tree-ssa-structalias.c (params.h): Include.
13895 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13896 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13897 (get_constraint_for): For ADDR_EXPR operating on something
13898 containing an ARRAY_REF, add all subvars to the solution.
13899 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13900 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13901 for creating MUST_DEFs.
13902 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13904 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13906 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13907 functions.
13908 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13909 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13910 number_of_iterations_le): New functions.
13911 (number_of_iterations_special): Removed.
13912 (number_of_iterations_exit): Do not use number_of_iterations_special.
13913 * tree.c (unsigned_type_for): Always return integer type.
13915 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13916 Richard Guenther <rguenther@suse.de>
13918 PR rtl-optimization/24257
13919 * gcse.c (find_moveable_store): Only consider a store movable
13920 when the SET_SRC of the insn can be assigned to a register.
13922 2006-01-14 Ian Lance Taylor <ian@airs.com>
13924 * tree.c (tree_not_class_check_failed): New function.
13925 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13926 (tree_not_class_check_failed): Declare.
13928 2006-01-13 Ian Lance Taylor <ian@airs.com>
13930 * reload1.c (do_output_reload): Add assertion rejecting a
13931 CALL_INSN.
13933 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13935 * combine.c (struct reg_stat): Add new fields truncation_label and
13936 truncated_to_mode.
13937 (record_value_for_reg): Reset truncated_to_mode.
13938 (record_truncated_value): New function.
13939 (check_promoted_subreg): Call it. Rename to check_conversions.
13940 (combine_instructions): Rename check_promoted_subreg to
13941 check_conversions.
13942 (reg_truncated_to_mode): New function.
13943 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13944 (gen_lowpart_or_truncate): New function.
13945 (force_to_mode): Use it instead of gen_lowpart.
13947 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13949 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13950 VAR is a tag, not its type tag.
13952 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13954 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13955 alternatives to match style of other entries.
13956 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13958 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13960 PR tree-optimization/25771
13961 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13962 SSA_NAMES.
13964 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13966 PR tree-opt/24365
13967 * tree-inline.c (declare_return_variable): If the return variable
13968 was marked as a non gimple complex, set the return slot variable
13969 to be a non gimple comple variable.
13971 2006-01-13 Richard Guenther <rguenther@suse.de>
13973 * builtins.c (expand_builtin_sincos): New function.
13974 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13975 do not set errno.
13976 (expand_builtin): Expand sincos using expand_builtin_sincos.
13978 2006-01-12 DJ Delorie <dj@redhat.com>
13980 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13981 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13982 so that constant shifts can be split.
13983 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13984 (m32c_valid_pointer_mode): Make static.
13985 (shift_gen_func_for): New.
13986 (m32c_prepare_shift): Use it. Split large const shifts into
13987 multiple shifts.
13988 * config/m32c/predicates.md (shiftcount_operand): Allow more
13989 general operands.
13990 (longshiftcount_operand): New.
13991 * doc/md.texi (Machine Constraints): Document In6.
13993 2006-01-13 Ben Elliston <bje@au.ibm.com>
13995 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13996 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13997 documentation.
13999 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14001 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14002 to try to avoid clobbering pieces of structures when we know
14003 something about the whole structure.
14004 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14006 2006-01-13 Ben Elliston <bje@au.ibm.com>
14008 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14009 return in memory, as this is no limitation is no longer present.
14011 2006-01-12 DJ Delorie <dj@redhat.com>
14013 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14014 mova with fb, and for fb+0 -> An.
14016 * config/m32c/mov.md (peephole2): Fix enabling logic.
14018 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14019 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14020 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14021 FINI_ARRAY_SECTION_ASM_OP): Define.
14023 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14024 variable.
14025 (m32c_legitimize_reload_address): New logic to reload FB to An.
14026 (m32c_output_reg_push): Add newline.
14027 (m32c_output_reg_pop): Likewise.
14029 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14031 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14033 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14035 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14037 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14039 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14040 match_code.
14042 2006-01-11 Ben Elliston <bje@au.ibm.com>
14044 * rtlanal.c (find_reg_note): Assert insn is not null.
14046 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14048 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14049 ifdef.
14051 2006-01-11 Jeff Law <law@redhat.com>
14053 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14054 hold edge pairs.
14055 (mark_threaded_blocks, register_jump_thread): New functions.
14056 (thread_through_all_blocks): Remove unwanted argument. No
14057 longer rely on e->aux to communicate thread target info.
14058 Call mark_threaded_blocks. Release the threaded_blocks
14059 bitmap and threaded_edges vector when complete.
14060 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14061 (threaded_blocks): Remove.
14062 (tree_ssa_dominator_optimize): Remove initialization and
14063 finalization of threaded_blocks. Simplify call to
14064 thread_through_all_blocks.
14065 (thread_across_edge): Call register_jump_thread rather than
14066 storing thread information into e->aux.
14067 (free_all_edge_infos): Simplify now that e->aux is no longer
14068 used to communicate with thread_through_all_blocks.
14069 * tree-flow.h (thread_through_all_blocks): Update prototype.
14070 (register_jump_thread): Prototype.
14072 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14074 * df-core.c (df_compact_blocks, df_bb_replace): Use
14075 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14077 2006-01-11 Richard Guenther <rguenther@suse.de>
14079 PR tree-optimization/25734
14080 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14081 stop propagation after successful propagation to the LHS.
14083 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14085 * basic-block.h (control_flow_graph): Change the type of
14086 x_basic_block_info to VEC(basic_block,gc) *.
14087 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14088 basic_block_info.
14089 (SET_BASIC_BLOCK): New.
14090 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14091 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14092 * cfgbuild.c (find_basic_blocks): Likewise.
14093 * cfglayout.c (fixup_reorder_chain): Likewise.
14094 * cfgrtl.c (create_basic_block_structure,
14095 rtl_create_basic_block): Likewise.
14096 * ifcvt.c (find_if_case_1): Likewise.
14097 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14098 Likewise.
14100 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14102 * Makefile.in: Removed rotted odf.c entry.
14104 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14106 PR target/25706
14107 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14108 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14109 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14110 output pattern modifier, not %e.
14111 * config/cris/cris.c (cris_op_str): Update comment about pattern
14112 modifier.
14113 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14114 before falling through into...
14115 <case 'E'>: Redefined from old 'e' case.
14117 2006-01-11 Jan Hubicka <jh@suse.cz>
14119 PR target/25042
14120 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14122 2006-01-11 Jan Hubicka <jh@suse.cz>
14124 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14125 * i386.c (x86_decompose_lea): Kill.
14126 (ix86_rtx_costs): Kill.
14128 2006-01-11 Jan Hubicka <jh@suse.cz>
14130 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14131 * cgraph.h (cgraph_node): Add inline_decl.
14132 (cgraph_insert_node_to_hashtable): Declare.
14133 (save_inline_function_body): Declare.
14134 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14135 clones.
14136 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14137 (cgraph_function_versioning): Update call of tree_function_versioning.
14138 (save_inline_function_body): New function.
14139 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14140 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14141 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14142 (cgraph_default_inline_p): Likewise.
14143 (cgraph_decide_inlining_incrementally): Likewise.
14144 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14145 (copy_bb): Kill saving; do updating of clones.
14146 (copy_cfg_body): Kill saving.
14147 (initialize_inlined-parameters): Likewise.
14148 (expand_call_inline): Likewise.
14149 (save_body): Kill.
14150 (tree_function_versioning): New parameter "update_clones".
14151 (inlining_p): Kill saving.
14152 * tree-inline.h (tree_function_versioning): Update prototype.
14153 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14154 saving.
14156 2006-01-11 Ian Lance Taylor <ian@airs.com>
14158 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14159 Allow undoing set of machine mode.
14160 (do_SUBST): Use enums instead of is_int.
14161 (do_SUBST_MODE): New function.
14162 (SUBST_MODE): New macro.
14163 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14164 reg and trying to replace reg_regno_rtx with a new register.
14165 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14166 (simplify_set): Use SUBST_MODE.
14167 (distribute_notes): Remove code that tried to update reg notes
14168 for regno_reg_rtx changes.
14170 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14172 PR tree-optimization/23109
14173 PR tree-optimization/23948
14174 PR tree-optimization/24123
14176 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14177 * tree-cfg.c (single_noncomplex_succ): New.
14178 * tree-flow.h (single_noncomplex_succ): Declare it.
14179 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14180 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14181 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14182 insert_bb, register_division_in, insert_reciprocals,
14183 replace_reciprocal, free_bb): New.
14184 (execute_cse_reciprocals_1): Rewritten.
14185 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14186 Do not commit any edge insertion. Always compute dominators and
14187 create the allocation pool.
14188 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14189 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14190 * targhooks.c (default_min_divistions_for_recip_mul): New.
14191 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14192 * passes.c (init_optimization_passes): Run recip after tree loop
14193 optimizations.
14194 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14196 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14197 Kenneth Zadeck <zadeck@naturalbridge.com>
14199 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14200 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14201 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14202 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14203 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14204 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14205 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14206 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14207 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14208 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14209 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14210 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14211 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14212 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14213 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14214 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14215 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14216 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14217 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14218 DF_SCAN_POST_ALLOC): New macros.
14219 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14220 df_free_bb_function, df_local_compute_function, df_init_function,
14221 df_dataflow_function, df_confluence_function_0,
14222 df_confluence_function_n, df_transfer_function,
14223 df_finalizer_function, df_free_function, df_dump_problem_function,
14224 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14225 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14226 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14227 df_urec_bb_info, ) New types.
14228 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14229 variables.
14230 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14231 df_analyze_simple_change_some_blocks,
14232 df_analyze_simple_change_one_block, df_compact_blocks,
14233 df_bb_replace, df_bb_regno_last_use_find,
14234 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14235 df_insn_regno_def_p, df_find_def, df_find_use,
14236 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14237 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14238 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14239 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14240 debug_df_chain, df_get_dependent_problem, df_chain_create,
14241 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14242 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14243 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14244 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14245 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14246 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14247 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14248 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14249 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14250 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14251 df_reorganize_refs, df_set_state, df_hard_reg_init,
14252 df_read_modify_subreg_p) New public functions.
14253 * df-core.c: The core dataflow solver and glue routines for rtl
14254 dataflow.
14255 (df_init, df_add_problem, df_set_blocks, df_finish,
14256 df_hybrid_search_forward, df_hybrid_search_backward,
14257 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14258 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14259 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14260 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14261 df_reg_defined, df_find_use, df_reg_used, df_dump,
14262 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14263 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14264 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14265 debug_df_useno, reset_df_after_reload): New functions.
14266 * df-scan.c: The scanning fuctions, once in df.c, completely
14267 rewritten so that they now fully model the functionality of
14268 register usage at the backend.
14269 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14270 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14271 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14272 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14273 df_get_artificial_defs, df_get_artificial_uses,
14274 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14275 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14276 df_refs_delete, df_reorganize_refs, df_set_state,
14277 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14278 df_def_record_1, df_defs_record, df_uses_record,
14279 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14280 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14281 df_record_exit_block_uses, df_hard_reg_init): New functions.
14283 * df-problems.c: Seven concrete dataflow problems that use the
14284 scanning in df-scan.c and are solved by the engine in df-core.c.
14285 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14286 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14287 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14288 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14289 df_ru_free_bb_info, df_ru_alloc,
14290 df_ru_bb_local_compute_process_def,
14291 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14292 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14293 df_ru_transfer_function, df_ru_free, df_ru_dump,
14294 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14295 df_rd_free_bb_info, df_rd_alloc,
14296 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14297 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14298 df_rd_transfer_function, df_rd_free, df_rd_dump,
14299 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14300 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14301 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14302 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14303 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14304 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14305 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14306 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14307 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14308 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14309 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14310 df_urec_mark_reg_use_for_earlyclobber,
14311 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14312 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14313 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14314 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14315 df_chain_create_bb_process_use, df_chain_create_bb,
14316 df_chain_finalize, df_chain_free, df_chains_dump,
14317 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14318 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14319 df_reg_lifetime): New functions.
14320 * df.c: Deleted file.
14321 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14322 consistent with new df api.
14323 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14324 rest_of_handle_sms): Ditto.
14325 * web.c (unionfind_union, union_defs, entry_register, web_main):
14326 Ditto.
14327 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14328 invariant_expr_equal_p, find_defs, check_dependencies,
14329 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14330 free_inv_motion_data, move_loop_invariants): Ditto.
14331 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14332 Update dependencies.
14333 (odf.c): Added defective entry that was deleted later in day.
14334 * sched-deps.c (sched_analyze_1): Ditto.
14336 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14338 * tree-ssa-operands.c (get_expr_operands): Record addressable
14339 variables directly. Do not call add_stmt_operands for CONST_DECLs
14340 and ARRAY_DECLs.
14341 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14342 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14344 2006-01-11 Ben Elliston <bje@au.ibm.com>
14346 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14347 function returns true in the positive case.
14349 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14351 PR target/20754
14352 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14353 for SI, DI, SF and DF modes. Add alternatives to copy between
14354 general and floating point registers to the 32-bit patterns.
14355 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14356 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14357 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14358 generating 64-bit code.
14359 * config/pa/pa.c (output_move_double): Handle copies between general
14360 and floating registers.
14362 2006-01-10 Stuart Hastings <stuart@apple.com>
14364 * config/i386/i386.md (set_got): Update.
14365 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14366 (builtin_setjmp_receiver): Mach-O support.
14367 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14368 (GOT_SYMBOL_NAME): Define.
14369 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14370 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14371 * config/i386/i386.c (override_options): Revise for Darwin.
14372 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14373 support. (darwin_x86_file_end): New. (output_set_got): Add label
14374 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14375 * config/i386/i386-protos.h (output_set_got): Likewise.
14376 * config/darwin.c (machopic_legitimize_pic_address): Update
14377 regs_ever_live[].
14379 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14381 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14382 when MODE isn't BLKmode.
14384 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14386 PR rtl-optimization/25367
14387 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14389 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14391 PR target/25718
14392 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14393 for a negative bound.
14395 2006-01-10 Richard Guenther <rguenther@suse.de>
14397 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14398 Never override with anything constraint.
14400 2006-01-10 Jan Beulich <jbeulich@novell.com>
14402 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14403 256 bits when optimize_size.
14405 2006-01-10 Jan Beulich <jbeulich@novell.com>
14407 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14408 MASK_ALIGN_DOUBLE.
14409 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14410 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14411 arguments.
14413 2006-01-10 Ben Elliston <bje@au.ibm.com>
14415 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14416 float modes.
14417 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14418 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14419 (USE_FP_FOR_ARG): Reject decimal float modes.
14420 (function_arg_advance): Likewise.
14421 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14422 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14423 point types in AltiVec vectors.
14424 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14425 (rs6000_libcall_value): Likewise.
14427 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14429 * config/xtensa/ieee754-df.S: New file.
14430 * config/xtensa/ieee754-sf.S: New file.
14431 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14432 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14433 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14435 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14437 * config/sh/predicates.md (binary_float_operator,
14438 binary_logical_operator, commutative_float_operator,
14439 equality_comparison_operator, greater_comparison_operator,
14440 less_comparison_operator, logical_operator,
14441 noncommutative_float_operator, shift_operator,
14442 symbol_ref_operand, unary_float_operator): Remove redundant
14443 conditionals.
14445 2006-01-09 Jeff Law <law@redhat.com>
14447 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14448 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14449 now unused arguments. Callers updated.
14450 (eliminate_redundant_computations): Remove now unused arguments,
14451 callers updated.
14452 (local_fold): Remove, no longer used.
14453 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14454 and moved to...
14455 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14456 (simplify_cond): New function.
14457 (forward_propagate_into_cond): Call simplify_cond.
14459 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14461 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14462 (*vec_extractv2di_1_sse): New.
14464 2006-01-09 Ben Elliston <bje@au.ibm.com>
14466 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14468 2006-01-08 Richard Guenther <rguenther@suse.de>
14470 * tree-ssa-structalias.c (get_constraint_for): Remove
14471 anyoffset argument.
14472 (get_constraint_for_component_ref): Likewise.
14473 (do_deref): Likewise.
14474 (get_constraint_for): Likewise.
14475 (do_structure_copy): Likewise.
14476 (handle_ptr_arith): Likewise.
14477 (find_func_aliases): Likewise. Remove unused need_anyoffset
14478 variable.
14480 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14481 Kaz Kojima <kkojima@gcc.gnu.org>
14483 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14484 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14485 (EXTRA_CONSTRAINT_C16): Remove.
14486 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14487 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14488 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14489 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14490 constants of SHmedia. Handle nested constant expressions of
14491 SHmedia correctly.
14492 (andcosts): Fix the costs for SHmedia constants.
14493 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14494 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14495 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14496 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14497 (movv4hi_i, movv2si_i): Likewise.
14498 (movsi_const): Adjust the second operand of ior so to match with
14499 the Csu constraint.
14500 (movdi_const, movdi_const_32bit): Likewise.
14501 (movdi_const_16bit+1): Don't sign-extend LOW.
14502 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14503 step.
14504 (*double_shori): Fix the split condition. Use GEN_INT instead
14505 of get_int_mode calls. Mask lower 16-bit of the argument of
14506 the last GEN_INT.
14507 (sym2GOTPLT): Remove.
14508 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14509 gen_rtx_UNSPEC.
14510 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14511 instead of EXTRA_CONSTRAINT_C16.
14513 2006-01-07 Ian Lance Taylor <ian@airs.com>
14514 David Edelsohn <edelsohn@gnu.org>
14516 PR rtl-optimization/25662
14517 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14518 for constant operands instead of simplify_gen_binary.
14519 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14520 after trying simplify_binary_operation
14522 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14524 * tree.c (iterative_hash_expr): Hash decls based on UID.
14526 2006-01-06 Eric Christopher <echristo@apple.com>
14528 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14529 (TARGET_UNWIND_EMIT): Fix spelling.
14530 * target.h (gcc_target): Add except_table_label.
14531 * except.c (output_function_exception_table): Use.
14532 * varasm.c (default_emit_except_table_label): New.
14533 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14534 define.
14535 (asm_out): Add here.
14536 * output.h (default_emit_except_table_label): Prototype.
14537 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14538 * config/darwin.c (darwin_emit_except_table_label): Define.
14539 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14541 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14543 PR tree-optimization/18527
14544 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14545 number_of_iterations_special, number_of_iterations_exit):
14546 Move base and step of an iv to a single structure. Add
14547 no_overflow flag, and use it in # of iterations analysis.
14548 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14549 folded_casts argument.
14550 (simple_iv): Pass base and step in a structure. Set no_overflow
14551 flag.
14552 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14553 Evaluate expensiveness of computing # of iterations instead of
14554 the final expression.
14555 * tree-scalar-evolution.h (affine_iv): New structure.
14556 (simple_iv): Declaration changed.
14557 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14558 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14559 find_givs_in_stmt): Changed due to simple_iv change.
14561 2006-01-06 Jeff Law <law@redhat.com>
14563 PR ada/24994
14564 * tree-cfg.c (bsi_replace): Rename final argument from
14565 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14566 change (stmt -> orig_stmt).
14567 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14568 (bsi_remove): Add new argument. Remove EH information
14569 if requested.
14570 (verify_eh_throw_table_statements): New function.
14571 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14572 updated.
14573 * tree-optimize.c (execute_free_cfg_annotations): Verify
14574 the EH throw statement table after removing annotations.
14575 * except.h (verify_eh_throw_table_statements): Prototype.
14576 * tree-flow.h (bsi_remove): Update prototype.
14577 * tree-vrp.c (remove_range_assertions): Add new argument to
14578 bsi_remove call.
14579 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14580 * tree-complex.c (expand_complex_div_wide): Likewise.
14581 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14582 * tree-tailcall.c (eliminate_tailcall): Likewise.
14583 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14584 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14585 * tree-nrv.c (tree_nrv): Likewise.
14586 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14587 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14588 (combine_blocks): Likewise.
14589 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14590 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14591 (cleanup_control_flow): Likewise.
14592 (remove_forwarder_block): Likewise.
14593 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14594 * tree-sra.c (sra_replace): Likewise.
14595 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14596 (forward_propagate_single_use_vars): Likewise.
14597 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14598 * tree-inline.c (expand_call_inline): Likewise.
14599 * tree-vect-transform.c (vect_transform_loop): Likewise.
14600 * tree-outof-ssa.c (rewrite_trees): Likewise.
14601 * tree-cfg.c (make_goto_expr_edges): Likewise.
14602 (cleanup_dead_labels): Likewise.
14603 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14604 (bsi_move_before, bsi_move_after): Likewise.
14605 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14606 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14608 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14610 PR tree-opt/25528
14611 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14612 and IMAGPART_EXPR.
14613 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14614 on non gimple variables. Also add checks at the top for decls and
14615 mtags.
14616 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14617 complex types.
14618 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14619 and IMAGPART_EXPR for creating MUST_DEFs.
14620 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14621 and NAME_MEMORY_TAG separately from the DECLs.
14623 2006-01-06 Richard Guenther <rguenther@suse.de>
14625 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14626 annotation, if necessary.
14627 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14628 redundant calls to update_stmt.
14629 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14630 Likewise.
14632 2006-01-05 Richard Henderson <rth@redhat.com>
14634 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14636 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14638 * c-typeck.c: Update copyright date.
14640 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14642 * c-typeck.c (build_c_cast): Always warn when casting
14643 from a pointer to an integer of different size, even if
14644 the node was constant.
14646 2006-01-05 Richard Guenther <rguenther@suse.de>
14648 PR tree-optimization/22555
14649 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14650 if one structure field is an array.
14651 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14652 operands even if we found a subvar, but ignore VOPs in this
14653 case.
14654 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14655 for renaming.
14656 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14658 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14660 PR middle-end/24998
14661 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14663 2006-01-05 Richard Guenther <rguenther@suse.de>
14664 Diego Novillo <dnovillo@redhat.com>
14666 * tree-pass.h (TODO_remove_unused_locals): Define.
14667 * gimple-low.c (expand_var_p, remove_useless_vars,
14668 pass_remove_useless_vars): Remove. Update all users.
14669 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14670 (remove_unused_locals): New function.
14671 * tree-flow.h (remove_unused_locals): Declare.
14672 * passes.c (execute_todo): Call remove_unused_locals if
14673 TODO_remove_unused_locals is set.
14674 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14675 * tree-ssa-dce.c (pass_dce): Likewise.
14676 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14678 2006-01-05 Richard Guenther <rguenther@suse.de>
14680 * tree-flow.h (struct fieldoff): Decompose field to
14681 type, size and decl.
14682 * tree-ssa-alias.c (create_sft): Take type as parameter.
14683 (create_overlap_variables_for): Store type, size and decl
14684 in the fieldoff structure.
14685 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14686 of struct fieldoff.
14687 (push_fields_onto_fieldstack): Likewise.
14688 (create_variable_info_for): Likewise. Use offset for the
14689 SFT name if the decl is not available.
14691 2006-01-04 Paul Brook <paul@codesourcery.com>
14693 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14695 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14697 * lambda-code.c (can_put_in_inner_loop): Relax
14698 restrictions.
14699 (can_put_after_inner_loop): New function.
14700 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14701 (perfect_nestify): Change to make copies and modify uses.
14703 2006-01-04 Richard Henderson <rth@redhat.com>
14705 Merge from gomp branch:
14706 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14707 via integer constant.
14708 (pragma_lex): Remove.
14709 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14710 rather than parsing it.
14711 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14712 handle_pragma_extern_prefix): Add %< %> quotes.
14713 (registered_pragmas): New.
14714 (c_register_pragma_1): New.
14715 (c_register_pragma): Use it.
14716 (c_register_pragma_with_expansion): Likewise.
14717 (c_invoke_pragma_handler): New.
14718 (init_pragma): Use cpp_register_deferred_pragma directly for
14719 pch_preprocess.
14720 * c-pragma.h (enum pragma_kind): New.
14721 (pragma_handler): New.
14722 (c_invoke_pragma_handler): Declare.
14723 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14724 CPP_PRAGMA_EOL.
14725 * c-common.h (c_common_pch_pragma): Update decl.
14726 * Makefile.in (c-parser.o): Update dependencies.
14727 (GTFILES): Add c-pragma.h.
14728 * c-parser.c (struct c_token): Add pragma_kind.
14729 (struct c_parser): Add in_pragma.
14730 (c_lex_one_token): Always initialize keyword and pragma_kind.
14731 Extract data for CPP_PRAGMA.
14732 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14733 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14734 Don't allow CPP_PRAGMA_EOL if in_pragma.
14735 (c_parser_consume_pragma): New.
14736 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14737 (c_parser_skip_to_end_of_parameter): Likewise.
14738 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14739 (c_parser_skip_to_pragma_eol): New.
14740 (c_parser_external_declaration): Handle CPP_PRAGMA.
14741 (c_parser_compound_statement_nostart): Likewise.
14742 (c_parser_statement_after_labels): Likewise.
14743 (c_parser_pragma): New.
14744 (pragma_lex): Likewise.
14745 (c_parser_pragma_pch_preprocess): New.
14746 (c_parser_new): Merge into ...
14747 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14749 2006-01-04 Jeff Law <law@redhat.com>
14751 PR ada/24994
14752 * tree-cfg.c (bsi_replace): Remove the original statement
14753 from the EH throw statement table.
14755 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14757 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14758 make the prototype extern "C" and add throw ().
14760 PR target/25554
14761 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14762 and pos non-negative and pos + len <= 32.
14763 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14764 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14765 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14767 PR c/25559
14768 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14769 as well as sizes not multiple of component size.
14771 PR debug/25562
14772 * function.c (instantiate_expr): New function.
14773 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14774 walk its DECL_VALUE_EXPR with instantiate_expr.
14776 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14777 DW_OP_deref{,_size} if address isn't going to be added.
14779 2006-01-04 Ben Elliston <bje@au.ibm.com>
14781 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14782 * config/fp-bit.c: Likewise.
14784 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14786 * dominance.c: Add comment about why we use DFS numbering
14787 of dominance tree.
14789 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14790 Richard Henderson <rth@redhat.com>
14792 Merge from gomp-branch:
14793 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14794 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14796 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14798 PR rtl-optimization/25578
14799 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14800 pass a parameter to simplify_shift_const if changing ASHIFTRT
14801 to LSHIFTRT.
14803 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14805 * builtins.c (get_builtin_sync_mem): New function.
14806 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14807 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14808 Call get_builtin_sync_mem to generate mem rtx.
14810 2006-01-03 Richard Guenther <rguenther@suse.de>
14812 PR c/25183
14813 * stmt.c (add_case_node): Make sure to clear overflow flags
14814 from ranges.
14816 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14818 Merge from gomp-branch.
14819 * config/sparc/sync.md: New file.
14820 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14821 UNSPECV_LDSTUB): New constants.
14822 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14823 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14824 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14825 prototype.
14827 2006-01-03 Roger Sayle <roger@eyesopen.com>
14829 * combine.c (reg_subword_p): New predicate to test whether the
14830 destination of a set refers to a subword/piece of a register.
14831 (try_combine): Generalize the code to merge the setting of a
14832 pseudo to a constant followed by a set of a subword of that
14833 register to a constant.
14835 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14837 * basic-block.h (control_flow_graph): Change the type of
14838 x_label_to_block_map to VEC(basic_block,gc) *.
14839 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14840 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14842 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14843 VEC(basic_block,heap) *.
14844 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14845 ssa_prop_fini): Adjust the uses of cfg_blocks.
14847 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14849 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14850 COMPONENT_REFs.
14851 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14852 hashing trees instead of a pointer hash.
14853 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14854 compare for MEM_EXPR.
14856 PR rtl-optimization/25130
14857 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14858 when comparing MEMs for GCSE
14860 2006-01-03 Ben Elliston <bje@au.ibm.com>
14862 * targhooks.h (default_decimal_float_supported_p): Declare.
14863 * targhooks.c (default_decimal_float_supported_p): Define.
14864 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14865 `default_decimal_float_supported_p'.
14866 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14868 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14870 * combine.c (apply_distributive_law <SUBREG>): Check
14871 TRULY_NOOP_TRUNCATION.
14873 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14875 * dwarf2out.c (have_switched_text_section): Delete.
14876 (have_multiple_function_sections): New.
14877 (have_location_lists): Make 'bool'.
14878 (add_AT_loc_list): Use 'true' not '1'.
14879 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14880 (output_loc_list): Use have_multiple_function_sections.
14881 (output_ranges): Likewise.
14882 (dwarf2out_begin_function): Set have_multiple_function_sections if
14883 necessary.
14884 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14885 Check function_section rather than DECL_SECTION_NAME.
14886 (dwarf2out_finish): Use have_multiple_function_sections.
14887 Don't clear have_location_lists.
14889 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14890 Jan Hubicka <jh@suse.cz>
14892 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14893 case of conditional jump jumping to the next instruction.
14894 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14895 cases of conditional jump jumping to the next instruction.
14897 2006-01-02 Jan Hubicka <jh@suse.cz>
14899 * i386.c (*_cost): Add COSTS_N_INSNS.
14900 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14902 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14904 PR target/25259
14905 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14907 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14909 * config/arm/arm.c (all_fpus): Fix comment typo.
14910 * config/darwin.c: Likewise.
14911 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14912 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14913 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14915 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14917 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14918 (rs6000_split_compare_and_swapqhi): New.
14919 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14920 (sync_compare_and_swapqhi_internal): New.
14921 * config/rs6000/rs6000-protos.h: Declare.