| blob | 0a0d31b8cf276f0f02bd30853affa9b6d89bcb07 |
1 2006-09-12 Roger Sayle <roger@eyesopen.com>
3 PR middle-end/4520
4 PR bootstrap/28784
5 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6 and symbols. Instead use the implementation from cse.c's hash_rtx.
8 2006-09-12 Jan Hubicka <jh@suse.cz>
10 PR rtl-optimization/28071
11 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
12 (vect_transform_loop): Likewise.
13 * tree-vectorizer.c (new_loop_vec_info): Likewise.
14 (new_loop_vec_info): Likewise.
15 (destroy_loop_vec_info): Likewise.
16 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
17 (create_stmt_ann): Likewise.
18 (create_tree_ann): Rename to ...
19 (create_tree_common_ann): ... this one; allocate only the common part
20 of annotations.
21 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
22 (get_value_handle): Likewise.
23 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
24 get_tree_common_ann.
25 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
26 (vinfo_for_stmt): Use stmt annotations.
27 * tree-flow.h (tree_ann_common_t): New type.
28 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
29 (tree_ann, get_tree_ann, create_tree_ann): New.
30 * tree-flow-inline.h (get_function_ann): Do more type checking.
31 (stmt_ann): Likewise.
32 (tree_ann): Rename to ...
33 (tree_common_ann): ... this one; return ony common_ann
34 (get_tree_ann): Rename to ...
35 (tree_common_ann): This one; return only common_ann.
36 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
37 of set_stmt_info.
39 2006-09-11 Geoffrey Keating <geoffk@apple.com>
41 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
42 with_cpu by default.
44 * dwarf2out.c (dwarf_file_data): New.
45 (enum dw_val_class): Add dw_val_class_file.
46 (struct dw_val_struct): Add val_file.
47 (file_table): Change to a hash table.
48 (file_table_emitted): Delete.
49 (file_table_last_lookup_index): Delete.
50 (emitcount): Delete.
51 (last_emitted_file): New.
52 (lookup_filename): Change prototype to return a struct dwarf_file_data.
53 (init_file_table): Delete.
54 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
55 (AT_addr): Add comment.
56 (add_AT_file): New.
57 (AT_file): New.
58 (get_AT_file): New.
59 (print_die): Handle dw_val_class_file.
60 (print_dwarf_line_table): Update for new file table structure.
61 (attr_checksum): Do checksum a filename.
62 (same_dw_val_p, same_attr_p): Do compare a filename.
63 (size_of_die): Handle dw_val_class_file.
64 (value_format): Likewise.
65 (output_die): Likewise. Also, call maybe_emit_file here.
66 (struct file_info): Constify filenames. Make file_idx a pointer
67 to a struct dwarf_file_data.
68 (struct dir_info): Constify directory names. Remove 'used' field.
69 (struct file_name_acquire_data): New.
70 (file_name_acquire): New.
71 (output_file_names): Modify to handle new file data structures.
72 (add_src_coords_attributes): Use add_AT_file.
73 (add_call_src_coords_attributes): Likewise.
74 (dwarf2out_imported_module_or_decl): Likewise.
75 (gen_subprogram_die): Modify for new file data structures.
76 (gen_variable_die): Likewise.
77 (file_table_eq): New.
78 (file_table_hash): New.
79 (file_table_last_lookup): New.
80 (lookup_filename): Rewrite to handle new file data structures.
81 (maybe_emit_file): Rewrite to handle new file data structures.
82 (dwarf2out_source_line): Always call lookup_filename and
83 maybe_emit_file.
84 (dwarf2out_init): Create file_table here.
85 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
86 (file_table_relative_p): New.
87 (dwarf2out_finish): Change detection of relative filenames
88 to work with new file data structures. Move output_line_info call
89 after debug_info output.
91 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
93 PR target/13685
94 PR target/27537
95 PR target/28621
96 * config/i386/i386.c (override_options): Always default to 16
97 byte stack boundary.
99 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
101 PR target/28672
102 * var-tracking.c (dump_dataflow_set): Start dumping at
103 register zero.
104 (clobber_variable_part): Kill only the variable part in
105 registers holding it, leaving other variables alone.
107 2006-09-11 Josh Triplett <josh@freedesktop.org>
109 * doc/extend.texi (Other Builtins): Actually use the macro
110 argument in the documentation example for
111 __builtin_types_compatible_p.
113 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
115 PR rtl-optimization/28726
116 * sched-deps.c (sched_analyze_reg): New function extracted from...
117 (sched_analyze_1): ...here. Call it to analyze references to
118 registers. Treat again writes to a stack register as writing to the
119 register.
120 (sched_analyze_2): ...and here. Call it to analyze references to
121 registers. Treat again reads of a stack register as reading the
122 register.
124 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
125 David Edelsohn <edelsohn@gnu.org>
127 PR target/27287
128 * config/rs6000/spe.md (frob_df_di): Remove %H.
129 (frob_di_df): Remove %H. Change evmergelo to mr.
130 (frob_di_df_2): Remove %H. Change evldd to two loads.
132 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
134 * doc/cpp.texi: Fix names of charset options.
136 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
138 PR target/29009
139 * config/i386/i386.c (override_options): Use 128-bit
140 stack boundary always for 64bits.
142 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
144 PR rtl-optimization/28636
145 * combine.c (force_to_mode): Test for side-effects before
146 substituting by zero.
147 (simplify_shift_const): Likewise for zero or other constants.
149 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
151 PR middle-end/26983
152 * builtins.c (expand_builtin_setjmp): Force next_lab to be
153 preserved.
155 2006-09-10 Richard Sandiford <richard@codesourcery.com>
157 PR target/29006
158 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
159 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
160 returned by mode_for_size, rather than the mode of src itself,
161 to choose between 32-bit and 64-bit patterns.
162 (mips_mem_fits_mode_p): New function.
163 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
164 that the size of the source matches the size of the destination.
165 (mov_<store>l, mov_<store>r): Likewise.
167 2006-09-10 Eric Christopher <echristo@apple.com>
169 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
170 for literal16.
172 2006-09-09 Eric Christopher <echristo@apple.com>
174 PR target/28995
175 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
176 for literal16.
178 2006-09-09 Roger Sayle <roger@eyesopen.com>
179 Nicolas Setton <setton@adacore.com>
181 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
183 2006-09-10 Andreas Schwab <schwab@suse.de>
185 * config/m68k/m68k.md (bungt_rev): New pattern.
187 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
188 Dale Johannesen <dalej@apple.com>
190 PR target/26778
191 * regclass.c (struct reg_pref): Update documentation.
192 (regclass): Set prefclass to NO_REGS if memory is the best option.
193 (record_reg_classes): Cope with a prefclass set to NO_REGS.
195 2006-09-08 Eric Christopher <echristo@apple.com>
197 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
198 * config/t-slibgcc-darwin: Support x86_64 multilib.
199 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
200 Return 1 for x86_64-darwin.
201 * config/i386/t-darwin: Add m64 multilib.
202 (LIB2_SIDITI_CONV_FUNCS): Use.
203 (LIB2FUNCS_EXTRA): Ditto.
204 * config/i386/darwin.h: Support x86_64.
205 * config/i386/i386.c (override_options): Turn on flag_pic
206 for x86_64-darwin. Disable flag_omit_pointer.
207 (get_pc_thunk_name): Assert !TARGET_64BIT.
208 (legitimate_address_p): Disable machopic addressing for
209 x86_64.
210 (legitimize_pic_address): Ditto.
211 (ix86_expand_move): Ditto.
212 (ix86_expand_call): Ditto.
213 (machopic_output_stub): Ditto.
214 * config/darwin.c (machopic_select_section): Support literal16.
215 (machopic_select_rtx_section): Ditto.
216 * config/darwin-sections.def: Ditto.
217 * config/darwin-64.c: New.
219 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
221 PR c/28504
222 * c-tree.h (struct c_arg_info): Add pending_sizes.
223 * c-parser.c (c_parser_parms_declarator,
224 c_parser_parms_list_declarator): Initialize pending_sizes.
225 * c-decl.c (get_parm_info): Initialize pending_sizes.
226 (get_parm_info): Set pending_sizes.
227 (grokdeclarator): Call put_pending_sizes for parameters for
228 function definition only.
230 2006-09-07 Jason Merrill <jason@redhat.com>
232 PR middle-end/27724
233 * varasm.c (output_constant): Only strip actual no-op conversions.
235 PR target/13685
236 * config/i386/i386.c (override_options): Use 128-bit
237 stack boundary if -msse.
239 2006-09-07 Eric Christopher <echristo@apple.com>
241 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
242 comment.
243 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
244 Redefine.
246 2006-09-07 Geoffrey Keating <geoffk@apple.com>
248 * dwarf2out.c: Remove strange characters from comment above
249 dwarf2out_frame_debug_expr.
251 2006-09-07 Eric Christopher <echristo@apple.com>
253 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
254 * config/darwin.h: ... to here.
256 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
258 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
260 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
261 (TARGET_PARTIAL_FLAG_REG_STALL): New.
263 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
264 TARGET_PARTIAL_FLAG_REG_STALL.
265 (*ashldi3_cconly_rex64): Likewise.
266 (*ashlsi3_cmp): Likewise.
267 (*ashlsi3_cconly): Likewise.
268 (*ashlsi3_cmp_zext): Likewise.
269 (*ashlhi3_cmp): Likewise.
270 (*ashlhi3_cconly): Likewise.
271 (*ashlqi3_cmp): Likewise.
272 (*ashlqi3_cconly): Likewise.
273 (*ashrdi3_cmp_rex64): Likewise.
274 (*ashrdi3_cconly_rex64): Likewise.
275 (*ashrsi3_cmp): Likewise.
276 (*ashrsi3_cconly): Likewise.
277 (*ashrsi3_cmp_zext): Likewise.
278 (*ashrhi3_cmp): Likewise.
279 (*ashrhi3_cconly): Likewise.
280 (*ashrqi3_cmp): Likewise.
281 (*ashrqi3_cconly): Likewise.
282 (*lshrdi3_cmp_rex64): Likewise.
283 (*lshrdi3_cconly_rex64): Likewise.
284 (*lshrsi3_cmp): Likewise.
285 (*lshrsi3_cconly): Likewise.
286 (*lshrsi3_cmp_zext): Likewise.
287 (*lshrhi3_cmp): Likewise.
288 (*lshrhi3_cconly): Likewise.
289 (*lshrqi2_cmp): Likewise.
290 (*lshrqi2_cconly): Likewise.
292 2006-09-07 Uros Bizjak <uros@kss-loka.si>
294 PR target/28946
295 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
296 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
297 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
298 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
299 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
300 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
301 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
302 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
303 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
304 implement only CC setting effects of shift instructions.
306 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
308 * doc/contrib.texi: Add myself.
310 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
312 PR middle-end/28862
313 * stor-layout.c (relayout_decl): Don't zero the alignment if it
314 was set by the user.
316 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
318 PR target/27117
319 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
320 (divsi_inv_m1): Use them.
321 (UNSPEC_DIV_INV_TABLE): New constant.
323 2006-09-06 James E Wilson <wilson@specifix.com>
325 PR rtl-opt/27883
326 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
327 then call count_or_remove_death_notes.
329 2006-09-06 Jason Merrill <jason@redhat.com>
331 PR c++/27371
332 * tree-inline.c (copy_result_decl_to_var): New fn.
333 (declare_return_variable): Use it. Call declare_inline_vars here.
334 (expand_call_inline): Not here.
336 2006-09-06 Diego Novillo <dnovillo@redhat.com>
338 * doc/contrib.texi: Update my entry.
340 2006-09-06 Nick Clifton <nickc@redhat.com>
342 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
344 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
346 PR tree-opt/28937
347 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
348 (canonicalize_induction_variables): Likewise.
349 (tree_unroll_loops_completely): Likewise.
350 (tree_ssa_prefetch_arrays): Likewise.
351 (remove_empty_loops): Likewise.
352 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
353 TODO_cleanup_cfg instead of directly calling
354 cleanup_tree_cfg_loop.
355 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
356 Likewise.
357 (tree_unroll_loops_completely): Likewise.
358 (remove_empty_loops): Likewise.
359 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
360 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
361 of tree_ssa_unswitch_loops.
362 (tree_ssa_loop_ivcanon): Use the return value of
363 canonicalize_induction_variables.
364 (tree_ssa_empty_loop): Use the return value of
365 remove_empty_loops.
366 (tree_complete_unroll): Use the return value of
367 tree_unroll_loops_completely.
368 (tree_ssa_loop_prefetch): Use the return value of
369 tree_ssa_prefetch_arrays.
370 * passes.c (execute_todo): Before Cleanup CFG, set
371 updating_used_alone and after cleanup CFG, call
372 recalculate_used_alone.
374 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
376 PR tree-opt/28952
377 * tree-vect-transform.c (vectorizable_condition): Move the check
378 for the type after the check for simple condition.
380 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
381 Kaz Kojima <kkojima@gcc.gnu.org>
383 PR target/28764
384 * mode-switching.c (optimize_mode_switching): Make the destination
385 block of an abnormal edge have no anticipatable mode. Don't
386 insert mode switching code at the end of the source block of
387 an abnormal edge.
389 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
391 PR rtl-optimization/26847
392 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
393 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
394 (simplify_plus_minus): Count n_constants while filling ops. Replace
395 qsort with insertion sort. Before going through the array to simplify
396 pairs, sort it. Delay early exit until after the first sort, exiting
397 only if no swaps occurred. Simplify pairs in reversed order, without
398 special-casing the first iteration. Pack ops after simplifying pairs.
400 2006-09-05 Anatoly Sokolov <aesok@post.ru>
402 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
403 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
404 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
405 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
407 2006-09-05 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/28900
410 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
411 compound conditional before creating COND_EXPR condition.
413 2006-09-05 Richard Guenther <rguenther@suse.de>
415 PR tree-optimization/28905
416 * tree-vrp.c (fix_equivalence_set): Manually implement
417 !value_ranges_intersect_p to also handle symbolic ranges.
419 2006-09-05 Richard Guenther <rguenther@suse.de>
421 PR middle-end/28935
422 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
423 of a COND_EXPR.
425 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
427 PR rtl-optimization/27616
428 * cse.c (table_size): New static variable.
429 (new_basic_block): Initialize it to 0.
430 (remove_from_table): Decrement it.
431 (insert): Increment it.
432 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
433 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
434 fold_rtx_mem_1 if under the cap.
435 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
436 the lookup of the equivalent expression and test for equality of the
437 first operand of the equivalent expression before in turn looking up
438 an equivalent constant for the second operand.
440 2006-09-02 Geoffrey Keating <geoffk@apple.com>
442 Revert this change:
443 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
444 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
445 pointer, instead of assuming it is possible to derive the
446 correct args size from a call insn.
448 2006-09-02 Jakub Jelinek <jakub@redhat.com>
450 PR middle-end/27567
451 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
452 (fold_builtin_mempcpy): Rename to...
453 (fold_builtin_memory_op): ... this. Optimize one element copy
454 into an assignment.
455 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
456 functions.
457 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
458 (expand_builtin_memcpy, expand_builtin_mempcpy,
459 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
460 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
461 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
462 BUILT_IN_MEM{CPY,PCPY,MOVE}.
464 2006-09-01 DJ Delorie <dj@redhat.com>
466 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
467 (stzx_16): Likewise.
468 ("stzx_24_<mode>"): Likewise.
469 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
470 ("cmp<mode>_op"): New.
471 (cmp<mode>): Change to expander; just save operands.
472 (b<code>_op): New.
473 (b<code>): Change to expander, emit compare here.
474 (s<code>_op): Change to use split and expander.
475 (s<code>_24_op): Likewise.
476 (s<code>_<mode>): New.
477 (s<code>_<mode>_24): New.
478 (movqicc_<code>_<mode): New.
479 (movhicc_<code>_<mode>): New.
480 (s<code>): New.
481 (s<code>_24): New.
482 * config/m32c/m32c.c (compare_op0, compare_op1): New.
483 (m32c_pend_compare): New.
484 (m32c_unpend_compare): New.
485 (m32c_expand_scc): New.
486 (m32c_expand_movcc): Emit the compare also.
487 * config/m32c/predicates.md (mra_nopp_operand): New.
489 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
490 Richard Guenther <rguenther@suse.de>
491 Adam Nemet <anemet@caviumnetworks.com>
493 PR middle-end/27226
494 * builtins.c (get_pointer_alignment): Handle more forms
495 of base addresses that can be used to derive more precise
496 information about alignment.
498 2006-09-01 Jason Merrill <jason@redhat.com>
500 PR c++/28899
501 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
502 want_value.
504 * gimplify.c (voidify_wrapper_expr): Handle null type.
506 2006-09-01 Josh Conner <jconner@apple.com>
508 PR c++/25505
509 * tree-nrv.c (dest_safe_for_nrv_p): New function.
510 (execute_return_slot_opt): Use it.
512 2006-08-31 Josh Conner <jconner@apple.com>
514 PR c++/25505
515 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
516 returning aggregates.
518 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
520 PR tree-optimization/28839
521 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
522 blocks in that phi arguments appear.
524 2006-08-31 Roger Sayle <roger@eyesopen.com>
526 PR other/22313
527 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
528 NULL, otherwise use an advance_loc4 to adjust relative to the
529 current label.
530 (output_cfi) <DW_CFA_set_loc>: Update the current label.
531 (dwarf2out_switch_text_section): Reset the current label to avoid
532 using advance_loc4 over section boundaries.
534 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
536 PR target/24367
537 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
538 r12 + SYMBOLIC_CONST.
540 2006-08-30 Richard Guenther <rguenther@suse.de>
542 * Makefile.in (see.o): Add $(EXPR_H) dependency.
544 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
546 PR rtl-optimization/27735
547 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
548 Add new argument to keep track of whether an irreducible region
549 was affected. All callers changed.
550 (fix_irreducible_loops): Removed.
551 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
552 flags were invalidated.
554 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
556 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
557 instead of SF operands.
558 (*fop_df_comm_sse): Likewise.
559 (*fop_df_comm_i387): Likewise.
560 (*fop_df_1_mixed): Likewise.
561 (*fop_df_1_sse): Likewise.
563 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
564 J"orn Rennecke <joern.rennecke@st.com>
566 PR tree-optimization/17506
567 * tree-ssa.c (warn_uninit): If warning about a location outside of
568 the current function, note where the variable was declared.
570 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
572 PR tree-optimization/28411
573 * double-int.c (double_int_div): Use double_int_divmod.
574 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
575 double_int_mod, double_int_smod, double_int_umod): New functions.
576 * double-int.h (double_int_divmod, double_int_sdivmod,
577 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
578 Declare.
579 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
580 in double_int.
581 (get_computation_aff, get_computation_cost_at): Handle double_int
582 return type of constant_multiple_of.
584 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
586 PR middle-end/26632
587 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
588 an implicit conversion.
590 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
592 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
594 2006-08-27 Roger Sayle <roger@eyesopen.com>
596 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
597 x87 instructions.
599 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
601 * config/i386/crtfastmath.c: Fix a comment typo.
603 2006-08-26 Roger Sayle <roger@eyesopen.com>
605 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
606 temporary visit flags on CASE_LABEL_EXPRs.
607 * c-common.c (match_case_to_enum): Add function comment. Avoid
608 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
609 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
610 CASE_HIGH_SEEN for enumerated types. If the switch expression is
611 a constant, only warn if that constant value isn't handled.
613 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
615 PR c++/24009
616 * input.h (restore_input_file_stack): Declare.
617 (INPUT_FILE_STACK_BITS): Define.
618 * toplev.c (fs_p, input_file_stack_history,
619 input_file_stack_restored, restore_input_file_stack): New.
620 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
621 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
622 (pop_srcloc): Don't free old state of stack.
624 2006-08-26 David Edelsohn <edelsohn@gnu.org>
626 PR target/27544
627 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
628 (PowerPC Type Attributes): New.
630 2006-08-26 Bob Wilson <bob.wilson@acm.org>
632 * config/xtensa/xtensa.c (function_arg_boundary): New.
633 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
634 STACK_BOUNDARY.
635 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
636 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
638 2006-08-26 Jakub Jelinek <jakub@redhat.com>
640 PR middle-end/28683
641 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
642 3 following insns.
644 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
646 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
647 (verify_local_live_at_start): Likewise.
649 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
651 PR c/27893
652 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
653 omp_add_variable): Treat sizes as variable whenever not
654 INTEGER_CST.
656 2006-08-26 Richard Guenther <rguenther@suse.de>
658 PR middle-end/28814
659 * fold-const.c (fold_binary): Fold temporary to correct
660 type before constructing new comparison.
662 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
664 PR c/28418
665 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
666 variable again if DECL_SEEN_IN_BIND_EXPR_P.
668 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
670 PR c/28299
671 * c-decl.c (start_function): Don't try to process prototype
672 information from old declaration that isn't a function.
674 2006-08-25 Jan Hubicka <jh@suse.cz>
676 PR target/28621
677 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
679 2006-08-25 Alan Modra <amodra@bigpond.net.au>
681 PR target/27075
682 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
683 for 8 byte objects.
685 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
687 PR tree-optimization/16876
688 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
689 exit if PARM doesn't match VALUE.
691 2006-08-25 Bob Wilson <bob.wilson@acm.org>
693 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
694 literal_prefix directive.
695 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
696 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
697 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
699 2006-08-25 David Edelsohn <edelsohn@gnu.org>
701 PR target/28753
702 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
703 predicate to general_operand. Add 0->y and I->r alternatives.
705 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
707 * doc/tm.texi: Fix a typo.
708 * predict.c: Fix comment typos.
710 2006-08-25 Nick Clifton <nickc@redhat.com>
712 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
713 assertions of "cpu" and "machine".
715 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
717 PR tree-opt/28807
718 * tree-ssa-operands.c (access_can_touch_variable): Don't say
719 the access through a base which has an alias set of 0 cannot
720 touch the variable.
722 2006-08-24 Bill Wendling <wendling@apple.com>
724 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
726 2006-08-24 Jan Hubicka <jh@suse.cz>
728 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
730 2006-08-24 Jan Hubicka <jh@suse.cz>
732 PR debug/26881
733 * cgraph.c: Fix comments.
734 (cgraph_varpool_mark_needed_node): Mark only variables not already
735 output to file.
736 * cgraphunit.c: Update comments; include gt-cgraphunit.h
737 (cgraph_varpool_assembled_nodes_queue): New static variable.
738 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
739 (cgraph_varpool_output_debug_info): New function.
740 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
741 * Makefile.in: Add gt-cgraphunit.h
743 2006-08-24 Jan Hubicka <jh@suse.cz>
745 * predict.c (probability_reliable_p): New predicate.
746 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
747 (predict_loops): Do not predict loop exit with less than 2%
748 probability.
749 * basic-block.h (edge_probability_reliable_p,
750 br_prob_note_reliable_p): Declare.
751 * ia64.h (ia64_print_operand): Do not disable on-chip branch
752 prediction when static predictor is not reliable.
753 * rs6000.c (output_cbranch): Likewise.
755 2006-08-23 Stuart Hastings <stuart@apple.com>
757 PR 28825
758 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
759 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
761 2006-08-21 Geoffrey Keating <geoffk@apple.com>
763 PR debug/28692
764 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
765 complex values, nor for generic vector values.
767 2006-08-22 Richard Guenther <rguenther@suse.de>
769 PR middle-end/28776
770 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
771 parameter. Convert arguments to arithmetic expression to the
772 chrecs type.
773 (analyze_scalar_evolution_1): Adjust caller.
775 2006-08-22 Jan Hubicka <jh@suse.cz>
777 Patch by Paolo Bonzini
778 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
779 my previous patch.
781 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
783 PR tree-optimization/28003
784 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
785 before grouping aliases.
787 2006-08-22 Roger Sayle <roger@eyesopen.com>
789 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
790 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
792 2006-08-21 Jason Merrill <jason@redhat.com>
794 PR c++/27115
795 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
796 wrapper. Loop to handle nested wrappers.
797 (gimplify_bind_expr): Remove temp parameter.
798 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
799 and STATEMENT_LIST on the rhs.
800 (gimplify_statement_list): Voidify the STATEMENT_LIST.
801 (gimplify_expr): Pass pre_p to gimplify_statement_list.
802 (gimplify_target_expr): Remove special BIND_EXPR handling.
804 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
806 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
807 #if !__SHMEDIA__ .
809 2006-08-21 Olivier Hainque <hainque@adacore.com>
811 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
812 Arrange for the temporary captures of components overlapping the lhs
813 to happen before the lhs is possibly cleared.
815 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
817 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
818 necessary places to pass the correct "number of registers" values
819 to _Unwind_VRS_Pop.
821 2006-08-20 Jan Hubicka <jh@suse.cz>
823 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
824 (create_name_tags): Instead of quadratic checking use hashtable.
825 * bitmap.h: Include hashtab.h.
826 (bitmap_hash): Declare.
827 * bitmap.c (bitmap_hash): New function.
829 2006-08-20 Jan Hubicka <jh@suse.cz>
831 PR rtl-optimization/28071
832 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
833 twice.
834 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
835 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
836 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
837 cgraph_decide_inlining_incrementally): Update use of
838 cgraph_check_inline_limits.
839 * cgraph.c (edge_hash, edge_eq): New function.
840 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
841 cgraph_edge_remove_caller, cgraph_node_remove_callees,
842 cgraph_remove_node): Maintain call site hash.
843 * cgraph.h (struct cgraph_node): Add call_site_hash.
844 (cgraph_set_call_stmt): New function.
846 2006-08-20 Jan Hubicka <jh@suse.cz>
848 PR rtl-optimization/28071
849 * reload1.c (reg_has_output_reload): Turn into regset.
850 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
851 choose_reload_regs, emit_reload_insns): Update to new
852 reg_has_output_reload.
854 2006-08-20 Jan Hubicka <jh@suse.cz>
856 PR middle-end/28779
857 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
858 function body sizes.
859 * cgraphunit.c (cgraph_analyze_function): Don't do so.
861 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
863 PR target/28648 c:
864 * tree.c (handle_dll_attribute): Return early if not a
865 var or function decl.
867 2006-08-18 Joseph Myers <joseph@codesourcery.com>
869 PR target/27565
870 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
871 alignment of SPE vector types.
873 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
875 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
877 2006-08-17 Jakub Jelinek <jakub@redhat.com>
879 PR c/28744
880 * cgraph.h (struct cgraph_node): Remove externally_visible
881 bitfield.
882 * cgraphunit.c (process_function_and_variable_attributes): Set
883 local.externally_visible rather than externally_visible.
885 PR c/28744
886 * c-common.c (handle_externally_visible_attribute): First look
887 at TREE_CODE and only if it is function or var decl, check for
888 non-public objects. Don't warn for DECL_EXTERNAL.
889 * cgraphunit.c (process_function_and_variable_attributes): Warn
890 if externally_visible attribute is used on non-public object.
892 2006-08-17 Jan Hubicka <jh@suse.cz>
894 PR tree-optimization/27865
895 * reload1.c (forget_marked_reloads): New function.
896 (forget_old_reloads_1): When data are passed, just mark the registers
897 for later removal.
898 (reload_as_needed): Use the new mechanizm.
900 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
902 PR target/28146
903 * reload.h (reg_equiv_alt_mem_list): New declaration.
904 * reload1.c (reg_equiv_alt_mem_list): New definition.
905 (reload): Initialize it and release it.
906 (delete_output_reload): Use it.
907 * reload.c (push_reg_equiv_alt_mem): New function.
908 (find_reloads_toplev): Call it.
909 (find_reloads_address, find_reloads_address_1): Likewise.
910 (find_reloads_subreg_address): Likewise.
912 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
914 PR rtl-optimization/28489
915 * sched-ebb.c (begin_schedule_ready): Create basic block
916 at the right place.
917 (advance_target_bb): Skip empty blocks.
918 * haifa-sched.c (bb_note): Make global.
919 * sched-int.h (bb_note): Add prototype.
921 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
923 PR tree-optimization/27865
924 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
925 for pointer types.
926 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
927 fold_used_pointer, pointer_used_p): New functions.
928 (analyze_scalar_evolution_1): Use fold_used_pointer.
929 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
930 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
931 for pointers.
933 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
935 PR c++/28573
936 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
937 or the INTEGER_CST. Fail on a CALL_EXPR.
938 (fold_offsetof): Pass new argument to fold_offsetof_1.
939 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
940 operand into an INDIRECT_REF.
941 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
943 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
945 PR gcov/profile/26570
946 * value-prof.c (static_values): Removed.
947 (tree_find_values_to_profile): Do not set static_values.
948 (find_values_to_profile): Do not free static_values.
949 * profile.c (instrument_values): Do not free the values.
950 (branch_prob): Free the values.
952 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
954 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
956 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
958 PR c/27697
959 * c-typeck.c (build_component_ref): Combine qualifiers of
960 structure or union and field.
962 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
964 PR rtl-optimization/28071
965 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
966 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
967 * tree-into-ssa.c (struct dom_dfsnum): New.
968 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
969 functions.
970 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
971 compute_global_livein.
972 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
973 in phi nodes in the correct blocks.
975 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
977 PR tree-optimization/28364
978 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
979 correctly.
980 (fold_affine_expr): New function.
981 (may_eliminate_iv): Use fold_affine_expr.
983 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
985 PR c/27489
986 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
987 Clean up.
989 2006-08-16 Mike Stump <mrs@apple.com>
991 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
992 * doc/cppopts.texi (-MD): Likewise.
994 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
996 PR c/28287
997 * c-common.c (handle_weak_attribute): Ignore and warn if
998 not a FUNCTION_ or VAR_DECL.
1000 2006-07-15 Mike Stump <mrs@apple.com>
1002 PR c/28280
1003 * c-parser.c (c_parser_typeof_specifier): Don't use
1004 c_finish_expr_stmt, open code desired semantics instead.
1006 2006-08-15 Nick Clifton <nickc@redhat.com>
1008 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1009 fragment to tmake_file only if threads are enabled.
1010 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1011 * config/i386/t-gthr-win32: New file. ... here.
1013 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1015 PR c/28649
1016 * c-parser.c (c_parser_compound_statement_nostart): Reset
1017 parser->error after each statement.
1019 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1021 PR middle-end/28713
1022 * omp-low.c (lower_omp_parallel): Convert t to
1023 receiver_decl's type.
1024 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1025 source before comparison.
1027 PR middle-end/28724
1028 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1029 to itype in assignment to oldival2.
1031 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1033 PR c/27490
1034 PR c/27489
1035 * c-typeck.c (build_compound_expr): If the second expression
1036 is an error mark, then just return an error mark instead of
1037 creating a COMPOUND_EXPR.
1039 2006-07-14 Mike Stump <mrs@apple.com>
1041 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1043 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1045 * c-decl.c, var-tracking.c: Fix comment typos.
1047 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1049 PR rtl-optimization/28634
1050 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1051 for floating-point modes unless flag_unsafe_math_optimizations.
1053 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1054 Andrew Pinski <pinskia@physics.uc.edu>
1056 PR c/27184
1057 * tree.c (build_array_type): Unify array types with
1058 unspecified index_type.
1059 * c-decl.c (grokdeclarator): Make sure we do not modify a
1060 unified incomplete array type.
1061 * c-typeck.c (store_init_value): Create distinct type before
1062 filling in the index type in an initializer from a compound
1063 literal.
1065 * c-decl.c (grokdeclarator): Remove code where we copy the
1066 array type over.
1068 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1070 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1071 into account for TODO_dump_cgraph.
1072 (TODO_update_ssa_no_phi): Likewise.
1073 (TODO_update_ssa_full_phi): Likewise.
1074 (TODO_update_ssa_only_virtuals): Likewise.
1075 (TODO_remove_unused_locals): Likewise.
1076 (TODO_set_props): Likewise.
1077 (TODO_update_stmt_usage): Likewise.
1079 2006-08-13 Dirk Mueller <dmueller@suse.de>
1081 * c-common.c (strict_aliasing_warning): Fix formatting.
1083 2006-08-13 Matthias Klose <doko@debian.org>
1085 * doc/invoke.texi: Fix spelling errors.
1087 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1089 PR rtl-optimization/23454
1090 * reorg.c (relax_delay_slots): Update comment.
1092 2006-08-11 Richard Guenther <rguenther@suse.de>
1094 PR middle-end/28651
1095 * simplify-rtx.c (simplify_const_relational_operation):
1096 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1097 codes.
1099 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1101 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1102 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1104 2006-08-10 Paul Brook <paul@codesourcery.com>
1106 * final.c (final_scan_insn): Clear current_insn_predicate before
1107 outputting inline asm.
1109 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1111 PR tree-optimization/26197
1112 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1113 get_ref_base_and_extent and overlap_subvar to add only relevant
1114 subvars as may-aliases.
1115 (add_may_alias_for_new_tag): New function, factored out of
1116 new_type_alias.
1117 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1118 with additional argument.
1119 * tree-flow.h (new_type_alias): Takes additional argument.
1121 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1123 * gcov.c (no_data_file): New flag.
1124 (read_count_file): Set it if data file not present. Assume counts
1125 zero if not found.
1126 (output_lines): Don't name the data file, if there wasn't one.
1128 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1130 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1131 (rs6000_generate_compare): Tweak comments.
1132 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1134 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1136 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1137 (var_debug_decl): New function.
1138 (var_reg_set): Follow debug decl link. Add location even if
1139 reg is already known to hold some other variable.
1140 (var_mem_set): Follow debug decl link.
1141 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1142 decl link. Delete other known locations of the variable part
1143 if requested.
1144 (var_reg_delete, var_mem_delete): Delete other known locations
1145 of the variable part if requested.
1146 (same_variable_part_p): New function.
1147 (add_stores): Select MO_COPY when appropriate.
1148 (vt_initialize): Handle it.
1149 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1150 known locations for MO_SET and MO_CLOBBER.
1151 (find_variable_location_part): New function.
1152 (set_variable_part, delete_variable_part): Use it.
1153 (clobber_variable_part): New function.
1154 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1155 decl link.
1157 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1159 PR tree-optimization/26969
1160 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1161 with an empty list of PHIs.
1163 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1165 PR target/27827
1167 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1168 instructions.
1170 2006-08-06 Andreas Schwab <schwab@suse.de>
1172 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1173 string. Whitespace and comment fixup.
1175 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1177 PR c/28502
1178 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1179 argument.
1181 PR c/27721
1182 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1184 PR c/28136
1185 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1187 2006-08-04 Jan Hubicka <jh@suse.cz>
1189 PR target/26655
1190 PR target/28270
1191 * reload.c (push_reload): Patch out the mismatching instruction;
1192 return early.
1193 (find_reload): Bail out if the instruction was patched out.
1195 2006-08-04 Jan Hubicka <jh@suse.cz>
1197 PR tree-optimization/24888
1198 * tree-inline.c (expand_call_inline): Do not re-record variables.
1199 (declare_inline_vars): Add variable to unexpanded_var_list.
1201 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1202 Roger Sayle <roger@eyesopen.com>
1204 PR rtl-optimization/26244
1205 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1206 inner_const are negative or greater than or equal to the bitsize of
1207 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1208 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1209 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1210 CONST0_RTX (mode) when the new shift count is greater than or equal to
1211 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1212 effects.
1214 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1216 * tree-cfg.c: Fix a comment typo.
1218 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1220 PR c++/28148
1221 * varasm.c (output_constant): Give the front end another chance to
1222 expand constants, after stripping NOPs.
1224 2006-08-03 Jan Hubicka <jh@suse.cz>
1226 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1227 implementation.
1229 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1231 PR tree-optimization/27770
1232 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1233 declaration removed (moved to tree-flow.h).
1234 (vect_can_force_dr_alignment_p): Likewise.
1235 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1236 (moved from tree-vectorizer.h).
1237 (vect_can_force_dr_alignment_p): Likewise.
1238 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1239 from outside the vectorizer - in particular from cgraph stage.
1240 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1241 the alignment of global arrays when -fsection-anchors is enabled.
1242 * cgraphunit.c (cgraph_increase_alignment): New function.
1243 (cgraph_optimize): Call cgraph_increase_alignment.
1245 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1247 PR target/27566
1248 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1249 not reload a SPE symbol_ref into a lo_sum address.
1251 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1253 PR debug/28063
1254 * dwarf2out.c (prune_unused_types_prune): Move call to
1255 prune_unused_types_update_strings to cover the parent DIE also.
1257 2006-08-02 Jan Hubicka <jh@suse.cz>
1259 PR gcov/profile/28480
1260 * tree-cfg.c (change_bb_for_stmt): New function.
1261 (tree_merge_blocks, tree_split_blocks): Use it.
1263 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1265 PR c++/28250
1266 PR c++/28257
1267 PR c++/28259
1268 PR c++/28267
1269 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1270 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1271 (cgraph_optimize): Likewise.
1273 2006-08-01 Stuart Hastings <stuart@apple.com>
1275 * rtl.h (UINTVAL) New.
1276 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1277 * testsuite/gcc.dg/20060801-1.c: New.
1279 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1281 PR debug/23336
1282 * c-typeck.c (build_external_type): Mark used enum types.
1283 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1284 cfun also.
1285 (gen_subprogram_die): Whitespace fix.
1287 2006-08-01 Jan Hubicka <jh@suse.cz>
1289 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1290 bitmap when not needed.
1291 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1292 bitmaps.
1294 2006-08-01 Dirk Mueller <dmueller@suse.de>
1296 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1298 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1300 * Makefile.in: Revert part of previous patch:
1301 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1302 and REGS_H.
1304 2006-07-30 Eric Christopher <echristo@apple.com>
1306 PR target/27543
1307 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1308 (PowerPC Variable Attributes): New section.
1310 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1312 PR target/28126 (partial fix)
1313 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1315 2006-07-28 Jan Hubicka <jh@suse.cz>
1317 PR rtl-optimization/28071
1318 * cfgrtl.c (rtl_delete_block): Free regsets.
1319 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1321 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1323 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1324 and variables used in dependencies.
1326 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1328 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1329 %fs for -mcmodel=kernel.
1330 (stack_tls_protect_test_di): Likewise.
1332 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1334 * Makefile.in: Use mkinstalldirs.
1336 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1338 PR driver/28437
1339 * opts-common.c (prune_options): Skip joined switches.
1341 2006-07-27 Jan Hubicka <jh@suse.cz>
1343 PR rtl-optimization/28071
1344 * cselib.c (cselib_process_insn): Don't remove useless values too
1345 often for very large hashtables.
1347 2006-07-27 Jan Hubicka <jh@suse.cz>
1349 PR rtl-optimization/28071
1350 * global.c (greg_obstack): New obstack.
1351 (allocate_bb_info): Use it.
1352 (free_bb_info): Likewise.
1353 (modify_reg_pav): Likewise.
1355 2006-07-27 Roger Sayle <roger@eyesopen.com>
1357 * builtins.c (fold_fixed_mathfn): When long and long long are the
1358 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1359 functions to their lceil*, lfloor*, lround* and lrint* forms.
1361 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1363 PR gcc/28508
1364 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1365 branch.
1366 (rev_branch_insn): Likewise.
1368 2006-07-27 Jan Hubicka <jh@suse.cz>
1370 PR rtl-optimization/28071
1371 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1372 (reg_set_in_bb, max_reg_computed): New static variables.
1373 (regmove_optimize): Free the new array.
1374 (fixup_match_1): Update call of reg_is_remote_constant_p.
1376 2006-07-26 Jan Hubicka <jh@suse.cz>
1378 PR tree-optimization/27882
1379 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1380 and decl fields.
1381 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1382 next pointer
1383 (cgraph_analyze_compilation_unit): Likewise.
1384 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1385 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1386 (cgraph_early_inlinine): Make order garbage collected.
1387 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1389 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1391 * dbxout.c (output_types_sort): Add a comment.
1392 (output_used_types): Free the VEC.
1394 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1396 * function.c (reorder_fix_fragments): Delete.
1397 (reorder_blocks): Don't call it.
1398 (reorder_blocks_1): Put all subblocks under the origin block.
1400 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1402 PR rtl-optimization/27907
1403 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1404 FLOAT_TRUNCATE.
1406 2006-07-25 Roger Sayle <roger@eyesopen.com>
1408 PR middle-end/28473
1409 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1410 bar(x) check that bar's result type can represent all the values of T.
1412 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1414 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1416 2006-07-25 Nick Clifton <nickc@redhat.com>
1418 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1419 size_lookup[] array.
1420 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1421 (ggc_pch_count_object): Likewise.
1422 (ggc_pch_alloc_object): Likewise.
1423 (ggc_pch_write_object): Likewise.
1424 (init_ggc): Do not attempt to initialize entries in the
1425 size_lookup[] array for objects whose size is greater than than
1426 the length of the array.
1428 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1430 * dbxout.c (output_used_types_helper): Push queued types
1431 on a VEC.
1432 (output_types_sort): New.
1433 (output_used_types): Collect used types on a VEC and sort them
1434 before emission.
1436 2006-07-24 Richard Guenther <rguenther@suse.de>
1438 PR middle-end/28463
1439 * cgraph.c (cgraph_remove_node): Do not check if dumps
1440 are enabled.
1441 * cgraphunit.c (cgraph_optimize): Likewise.
1443 2006-07-24 Jan Hubicka <jh@suse.cz>
1445 PR rtl-optimization/28071
1446 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1447 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1448 splitting before first stmt.
1450 2006-07-24 Jan Hubicka <jh@suse.cz>
1452 PR rtl-optimization/28071
1453 * ipa-inline.c (update_caller_keys): Remove edges that
1454 are no longer inline candidates.
1456 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1458 PR debug/27473
1459 * dbxout.c (output_used_types_helper, output_used_types): New.
1460 (dbxout_symbol): Call output_used_types.
1462 2006-07-23 Jan Hubicka <jh@suse.cz>
1464 PR c/25795
1465 PR c++/27369
1466 * cgraph.c (cgraph_varpool_nodes): Export.
1467 (decide_is_variable_needed): Ignored "used" attribute in
1468 unit-at-a-time mode.
1469 * cgraph.h (cgraph_varpool_nodes): Declare.
1470 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1471 unit-at-a-time mode.
1473 2006-07-23 Roger Sayle <roger@eyesopen.com>
1475 PR target/28247
1476 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1477 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1478 the __gthrw form of thr_keycreate.
1479 (__gthread_key_delete): Silence the unused argument warning.
1481 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1483 PR debug/25468
1484 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1485 Cache the last found '\0' marker to avoid quadratic behavior.
1487 2006-07-23 Jan Hubicka <jh@suse.cz>
1489 * i386.md (subsi_3_zext): Fix output template.
1491 2006-07-21 Mike Stump <mrs@apple.com>
1493 * doc/invoke.texi (C++ Dialect Options): Note that
1494 -fvisibility-inlines-hidden doesn't affect explicitly
1495 instantiationed inline methods.
1497 2006-07-20 Roger Sayle <roger@eyesopen.com>
1499 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1500 if the target assembler is GNU binutils' gas.
1501 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1502 whether to pass GNU gas or native as command line options.
1504 2006-07-20 Jason Merrill <jason@redhat.com>
1506 * tree.c (remove_attribute): New fn.
1507 * tree.h: Declare it.
1509 2006-07-20 Paul Brook <paul@codesourcery.com>
1511 PR 27363
1512 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1513 they are invalidated by this instruction.
1515 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1517 PR target/28427
1518 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1520 2006-07-20 Eric Christopher <echristo@apple.com>
1522 PR target/26877
1523 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1525 2006-07-19 Eric Christopher <echristo@apple.com>
1527 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1528 Rewrite dependencies for libgcc_s.1.dylib.
1530 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1532 * except.c (duplicate_eh_regions_1): Clear next_peer.
1534 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1536 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1537 -mlongcall does not guarantee all calls will be long.
1538 * doc/extend.texi (long_call/short_call): Document that longcall
1539 does not guarantee a long call will be used.
1540 (longcall/shortcall): Likewise.
1542 2006-07-18 Roger Sayle <roger@eyesopen.com>
1544 PR middle-end/28283
1545 * expmed.c (expand_shift): Additionally check that the shift_cost
1546 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1547 before implementing a LSHIFT_EXPR as a sequence of additions.
1548 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1549 middle-end that DImode shifts need to be synthesized by expand.
1551 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1553 PR 28410
1554 * tree-ssa-operands.c (access_can_touch_variable): Update
1555 comment.
1556 Return true if ALIAS is .GLOBAL_VAR.
1558 2006-07-18 David Daney <ddaney@avtrex.com>
1560 * gcc.c (display_help): Fix typo in help text.
1562 2006-07-18 Olivier Hainque <hainque@adacore.com>
1564 * tree.h (categorize_ctor_elements): Adjust prototype and add
1565 descriptive comment, both in accordance with the interface change
1566 described below.
1567 * varasm.c (constructor_static_from_elts_p): New function.
1568 Whether a constructor node is a valid static constant initializer
1569 if all its elements are.
1570 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1571 * output.h: Declare it.
1572 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1573 is a valid constant initializer instead of computing the number of
1574 non-constant elements. Use constructor_static_from_elts_p for this
1575 purpose. Replace the head comment with an indication that this is a
1576 helper for categorize_ctor_elements.
1577 (categorize_ctor_elements): Same interface change as for the _1
1578 helper. Former head comment from this helper moved here, adjusted to
1579 account for the interface changes.
1580 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1581 (all_zeros_p): Likewise.
1582 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1583 static versions of the constructor from the categorize_ctor_elements
1584 return value instead of the formerly computed number of non-constant
1585 elements.
1587 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1589 * configure: Regenerate.
1590 * Makefile.in (build_libsubdir): New configure substitution
1591 (build_libobjdir): New variable.
1592 (BUILD_LIBIBERTY): Use it.
1594 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1596 PR c/28286
1597 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1599 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1601 PR c/26993
1602 * c-common.c (handle_weakref_attribute): Ignore attribute in
1603 the same conditions the alias attribute is ignored.
1605 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1607 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1608 (dbxout_begin_prologue): Increment scope_labelno.
1610 2006-07-17 Richard Henderson <rth@redhat.com>
1612 PR 27889
1613 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1614 if needed.
1616 2006-07-17 Roger Sayle <roger@eyesopen.com>
1617 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1619 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1620 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1621 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1622 functions such as sbrk, write, etc.. Add function prototypes.
1623 Convert function declarations from K&R to ISO C. Cast pointers
1624 to "long" and "unsigned long" instead of "int" and "unsigned int".
1625 Convert tokens following #endif into comments.
1627 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1629 * invoke.texi: Remove mention of f77; Reformat table for
1630 inline parameter options correctly; mention that -malign-double
1631 is default on x86-64 targets.
1633 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1635 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1636 (convert_affine_scev, chrec_convert_aggressive): Use
1637 avoid_arithmetics_in_type_p. Do not check for the subtypes
1638 separately.
1640 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1642 PR middle-end/28403
1643 * optabs.c (expand_doubleword_shift): Wrap the call to
1644 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1646 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1648 PR middle-end/28402
1649 * optabs.c (expand_binop): Pass next_methods rather than methods
1650 to expand_doubleword_shift.
1652 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1654 PR other/28251
1655 * tree.h (dump_addr): Declare.
1656 * print-tree.c (dump_addr): New function.
1657 (print_node_brief, print_node): Use it.
1658 * print-rtl.c (print_rtx): Likewise.
1659 * common.opt (-fdump-noaddr): New option.
1660 * doc/invoke.texi (-fdump-noaddr): Document.
1661 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1662 (ve_info_hash): Likewise.
1664 2006-07-13 Andrew Haley <aph@redhat.com>
1666 PR tree-optimization/19505
1667 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1668 edge leaving this block, make sure that the destination of this
1669 block has only one predecessor.
1671 2006-07-17 Richard Guenther <rguenther@suse.de>
1673 PR tree-optimization/28238
1674 * tree-inline.c (copy_bb): Check if we produced valid
1675 gimple copying and substituting a stmt. If not, gimplify
1676 it.
1678 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1680 * optabs.c (maybe_encapsulate_block): New function extracted from...
1681 (emit_libcall_block): ...here. Invoke it on the block of insns to
1682 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1683 (emit_no_conflict_block): Likewise.
1685 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1687 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1689 2006-07-15 Roger Sayle <roger@eyesopen.com>
1691 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1692 a new NOP_EXPR case of the switch statement.
1694 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1696 PR middle-end/28160
1697 * stor-layout.c (place_field): Take the bit field with
1698 an excessive size into account in the ms-bitfiled case.
1700 PR middle-end/28161
1701 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1702 the previous bit field.
1704 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1706 PR target/27287
1707 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1709 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1711 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1712 signal frames correctly even when the signal was installed with
1713 sa_restorer set.
1715 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1717 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1718 (dbxout_function_end): Use local label LFBB. Remove hook
1719 DBX_OUTPUT_NFUN.
1720 (dbxout_source_line): Use local label LFBB.
1721 (dbxout_block): Likewise.
1722 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1723 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1724 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1725 and DBX_OUTPUT_NFUN.
1727 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1729 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1731 2006-07-13 Jan Hubicka <jh@suse.cz>
1733 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1734 align_variable.
1735 * output.h (align_variable): Declare.
1736 * varasm.c (align_variable): Export.
1737 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1738 when basic block changed.
1740 2006-07-13 Nick Clifton <nickc@redhat.com>
1742 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1743 walking the LOG_LINKS chain.
1745 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1747 * doc/invoke.texi (C++ Dialect Options): Explain difference
1748 between -fvisibility-inlines-hidden and setting hidden
1749 visibility explicitly.
1751 2006-07-12 Eric Christopher <echristo@apple.com>
1753 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1754 (stmp-lipo): Depend on libgcc.a.
1756 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1758 * tree.c: Fix a comment typo.
1760 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1762 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1763 dest.
1764 (umulhisi3_r): Likewise.
1766 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1768 PR libstdc++/27878
1769 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1770 x < 19, vs wchar_t support.
1772 2006-07-12 Nick Clifton <nickc@redhat.com>
1774 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1775 instead of -isa=sh4.
1777 2006-07-12 Mike Stump <mrs@apple.com>
1779 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1781 2006-07-10 Eric Christopher <echristo@apple.com>
1783 * config/t-slibgcc-darwin: Rewrite.
1785 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1787 PR bootstrap/20437
1788 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1789 dependencies.
1791 2006-07-08 Matthias Klose <doko@debian.org>
1793 * doc/sourcebuild.texi: Fix typo.
1795 2006-07-07 Mike Stump <mrs@apple.com>
1797 * toplev.c (process_options): Don't give -ffunction-sections may
1798 affect debugging warning for Mach-O.
1800 2006-07-07 James E Wilson <wilson@specifix.com>
1802 * config/mips/mips.md (cpu): Add sb1a.
1803 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1804 addition to sb1. Adjust comments to clarify SB-1A differences from
1805 SB-1.
1806 (ir_sb1a_load): New. Modify bypasses to use it.
1807 (ir_sb1a_simple_alu): Likewise.
1808 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1809 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1810 (mips_issue_rate): Add PROCESSOR_SB1A.
1811 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1812 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1813 (TARGET_SB1): Add PROCESSOR_SB1A check.
1814 (TUNE_SB1): Likewise.
1816 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1817 * config/mips/mips.c (mips_store_data_bypass_p): New.
1818 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1819 store_data_bypass_p.
1821 2006-07-08 Paul Brook <paul@codesourcery.com>
1823 PR target/27991
1824 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1826 2006-07-07 Richard Guenther <rguenther@suse.de>
1828 PR middle-end/28268
1829 * tree.h (build_one_cst): Declare.
1830 * tree.c (build_one_cst): New function.
1831 * tree-ssa-math-opts.c (get_constant_one): Remove.
1832 (insert_reciprocals): Use build_one_cst.
1833 * fold-const.c (fold_plusminus_mult): Likewise.
1835 2006-07-07 Roger Sayle <roger@eyesopen.com>
1837 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1838 * cfgloopanal.c (dump_graph): Likewise.
1839 * dojump.c (discard_pending_stack_adjust): Likewise.
1840 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1841 Likewise.
1842 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1843 * function.c (finalize_block_changes): Likewise.
1844 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1845 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1846 * rtl.c (dump_rtx_statistics): Likewise.
1847 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1848 Likewise.
1849 * varray.c (dump_varray_statistics): Likewise.
1850 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1851 decode_decimal64, encode_decimal128, decode_decimal128,
1852 decimal_real_to_decimal): Likewise.
1854 2006-07-07 Richard Guenther <rguenther@suse.de>
1856 PR tree-optimization/28187
1857 * tree-vrp.c (vrp_operand_equal_p): New function.
1858 (vrp_bitmap_equal_p): Likewise.
1859 (update_value_range): Use them to compare old and new
1860 max and min values.
1862 2006-07-06 Roger Sayle <roger@eyesopen.com>
1864 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1865 a default case to switch statement to silence compiler warnings.
1867 2006-07-06 Roger Sayle <roger@eyesopen.com>
1869 PR target/27968
1870 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1871 the configured assembler supports the x87's ffreep mnemonic.
1872 * configure: Regenerate.
1873 * config.in: Regenerate.
1875 * config/i386/i386.c (output_387_ffreep): New function.
1876 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1877 (output_387_reg_move): Likewise.
1879 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1881 Port to hosts whose 'sort' and 'tail' implementations
1882 treat operands with leading '+' as file names, as POSIX
1883 has required since 2001. However, make sure the code still
1884 works on pre-POSIX hosts.
1885 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1886 which says you should use "tail -c +N" rather than "tail +Nc".
1887 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1889 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1891 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1892 argument name.
1894 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1896 PR target/28150
1897 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1898 PRE_{INC,DEC} of TFmode.
1900 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1901 Alan Modra <amodra@bigpond.net.au>
1903 PR target/28170
1904 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1905 bounds. Simplify.
1907 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1909 PR target/28285
1910 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1911 Remove duplicate gtu.
1913 2006-07-05 Jason Merrill <jason@redhat.com>
1915 PR c++/13983
1916 PR c++/17519
1917 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1918 * c-common.c (handle_packed_attribute): So don't copy it here.
1919 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1921 2006-07-05 Mike Stump <mrs@apple.com>
1923 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1925 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1927 PR target/26146
1928 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1930 2006-07-05 Richard Guenther <rguenther@suse.de>
1932 PR target/28158
1933 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1934 TARGET_SSE2 targets if using SSE math.
1935 (*absdf2_1): Likewise.
1937 2006-07-05 Richard Guenther <rguenther@suse.de>
1939 PR tree-optimization/28162
1940 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1941 make sure to convert the operands to the correct type.
1943 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1945 PR tree-optimization/28218
1947 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1948 to calculate and free the dominator information.
1950 2006-07-04 Peter O'Gorman <peter@pogma.com>
1952 * mklibgcc.in: chmod 644 before ranlib during install.
1954 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1955 J"orn Rennecke <joern.rennecke@st.com>
1957 * configure.ac (.eh_frame data check): Use diff -b.
1959 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1961 PR bootstrap/18058
1962 * Makefile.in (BUILD_RTL): Add build/vec.o.
1963 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1964 (build/genextract): Delete.
1965 (build/genautomata): Likewise.
1967 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1969 PR target/28207
1970 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1971 128-bit IBM long doubles for ABI_V4.
1973 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
1975 * tree.c (range_in_array_bounds_p): New predicate.
1976 * tree.h (range_in_array_bounds_p): Declare it.
1977 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
1978 return a less conservative answer.
1979 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
1980 and flag 'is_group'.
1981 (IS_ELEMENT_FOR_GROUP): New macro.
1982 (FOR_EACH_ACTUAL_CHILD): Likewise.
1983 (next_child_for_group): New helper function.
1984 (can_completely_scalarize_p): Take into account groups.
1985 (sra_hash_tree): Handle RANGE_EXPR.
1986 (sra_elt_eq): Likewise.
1987 (lookup_element): Be prepared for handling groups.
1988 (is_valid_const_index): Delete.
1989 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
1990 instead of is_valid_const_index.
1991 <ARRAY_RANGE_REF>: New case.
1992 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
1993 is_valid_const_index.
1994 <ARRAY_RANGE_REF>: Do not unconditionally punt.
1995 (scan_dump): Dump info for groups too.
1996 (decide_instantiation_1): Likewise.
1997 (decide_block_copy): Assert that the element is not a group.
1998 Propagate decision to groups.
1999 (generate_one_element_ref): Handle RANGE_EXPR.
2000 (mark_no_warning): Iterate over actual childs.
2001 (generate_copy_inout): Likewise.
2002 (generate_element_copy): Likewise.
2003 (generate_element_zero): Likewise.
2004 (generate_element_init_1): Likewise.
2005 (dump_sra_elt_name): Handle RANGE_EXPR.
2007 2006-07-03 Roger Sayle <roger@eyesopen.com>
2009 PR tree-optimization/26251
2010 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2011 (thread_block): When optimizing for size refuse to thread jumps
2012 that would require duplication of blocks other than redirection
2013 blocks.
2015 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2017 * configure.ac: Fix thinko in previous check-in.
2018 * configure: Regenerate.
2020 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2022 PR other/27063
2023 * configure.ac (for lang...): Simplify nesting of conditionals.
2024 Test subdir_requires for non-enabled languages. Move processing
2025 of lang_opt_files and lang_tree_fiels below that test.
2026 * configure: Regenerate.
2027 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2029 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2031 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2033 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2035 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2036 comment typos.
2038 2006-06-29 Jason Merrill <jason@redhat.com>
2040 PR c++/26905
2041 PR c++/26612
2042 PR c++/27000
2043 PR c++/26984
2044 PR c++/19134
2045 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2046 * c-common.c (c_determine_visibility): Handle it here.
2047 * c-decl.c (finish_decl): Call c_determine_visibility for
2048 functions, too.
2049 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2050 * tree.h: Likewise.
2051 * varasm.c (default_assemble_visibility): Likewise.
2052 * c-common.c (handle_visibility_attribute): Complain about trying
2053 to give visibility to an already defined class, or trying to change
2054 declared visibility. Always attach the attribute.
2056 PR c++/26905
2057 PR c++/21675
2058 PR c++/17470
2059 * attribs.c (decl_attributes): Ignore type-in-place attributes
2060 once the type has been defined.
2062 2006-06-29 Roger Sayle <roger@eyesopen.com>
2064 PR middle-end/27428
2065 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2066 to indicate the cpplib has issued an error message for us.
2068 2006-06-29 Asher Langton <langton2@llnl.gov>
2070 PR target/25765
2071 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2072 insert a label at the end of an function under Mach-O.
2074 2006-06-29 Eric Christopher <echristo@apple.com>
2075 Evan Cheng <evan.cheng@apple.com>
2077 * predicates.md (vector_all_ones_operand): New.
2078 (nonimmediate_or_sse_const_operand): Ditto.
2079 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2080 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2081 (standard_sse_mode_p): Ditto.
2082 (standard_sse_constant_p): Add case for -1 vector.
2083 (ix86_expand_vector_move): Try to use.
2084 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2085 Call standard_sse_constant_opcode.
2086 (*movv4sf_internal): Ditto.
2087 (*movv2df_internal): Ditto.
2089 2006-06-29 Roger Sayle <roger@eyesopen.com>
2091 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2092 of XEXP to extract the operands of a MATCH_CODE rtx.
2094 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2096 * tree.c (tree_size): Do not waste tail padding in
2097 struct tree_string and make the size be the same as
2098 build_string will generate.
2100 2006-06-28 Jason Merrill <jason@redhat.com>
2102 PR c++/27768
2103 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2104 may_aliases already in the tag's annotations to the bitmap.
2106 2006-06-28 Roger Sayle <roger@eyesopen.com>
2108 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2110 2006-06-28 Roger Sayle <roger@eyesopen.com>
2112 * genpreds.c (generate_switch_p): New function.
2113 (add_mode_tests): Push the new mode test down inside an AND expr
2114 if this allows the switch-suitable MATCH_CODE to be near the root.
2115 (write_match_code_switch): New function to write a MATCH_CODE as
2116 a switch statement.
2117 (write_predicate_stmts): New function to write a predicate RTX
2118 expression as a sequence of statements.
2119 (write_one_predicate_function): Use write_predicate_stmts.
2120 (write_tm_constrs_h): Likewise.
2122 2006-06-26 Fred Fish <fnf@specifix.com>
2124 * config/mips/t-sb1: New file.
2125 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2126 tmake_file list.
2128 2006-06-26 DJ Delorie <dj@redhat.com>
2130 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2132 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2133 Jayant Sonar <jayants@kpitcummins.com>
2134 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2136 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2137 (subsi3, subsi3_1, subsi3_2): New.
2138 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2139 * config/m32c/mov.md (SI mov peephole): New.
2140 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2141 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2143 2006-06-26 Olivier Hainque <hainque@adacore.com>
2145 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2146 a CALL_EXPR target function declaration.
2148 2006-06-26 Richard Guenther <rguenther@suse.de>
2150 * tree.c (build_string): Do not waste tail padding in
2151 struct tree_string.
2153 2006-06-26 Richard Guenther <rguenther@suse.de>
2155 * ggc-page.c (init_ggc): Add missing element to size_lookup
2156 table.
2158 Revert
2159 2006-06-23 Richard Guenther <rguenther@suse.de>
2161 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2162 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2163 alignment requests instead. Add verification code.
2164 Add struct tree_function_decl and struct tree_binfo size to
2165 extra_order_size_table. Add missing element to size_lookup
2166 table.
2168 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2170 PR middle-end/28151
2171 * fold-const.c (const_binop): Be prepared for self returning zero.
2172 Simplify code handling complex values.
2174 2006-06-24 Olivier Hainque <hainque@adacore.com>
2176 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2177 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2178 aggregate types.
2180 2006-06-24 Olivier Hainque <hainque@adacore.com>
2182 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2183 ARRAY_REF, so have the callback called for the low bound expression.
2185 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2187 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2188 * c-typeck.c (c_common_type): Disallow operations on decimal float
2189 types and other float types.
2190 * convert.c (convert_to_real): Don't ignore conversions involving
2191 decimal float types.
2193 2006-06-23 Olivier Hainque <hainque@adacore.com>
2195 * tree.c (max_int_size_in_bytes): New function, inspired from
2196 code in function.c:assign_temp.
2197 * tree.h (max_int_size_in_bytes): Declare.
2198 * function.c (assign_temp): Use it.
2199 * gimplify.c (create_tmp_var): Relax the assertions on the type
2200 properties, not mandating constant size any more.
2201 (force_constant_size): New static function.
2202 (gimple_add_tmp_var): Use it, forcing variable size to a
2203 constant upper bound if it is not constant on entry.
2205 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2207 PR target/27789
2208 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2209 for initialization and setting of one_only flag to ...
2210 (i386_pe_encode_section_info): ...here.
2211 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2212 Recheck that the symbol has not been defined.
2214 2006-06-23 Richard Guenther <rguenther@suse.de>
2216 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2217 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2218 alignment requests instead. Add verification code.
2219 Add struct tree_function_decl and struct tree_binfo size to
2220 extra_order_size_table. Add missing element to size_lookup
2221 table.
2223 2006-06-22 Roger Sayle <roger@eyesopen.com>
2224 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2226 PR middle-end/28131
2227 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2228 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2230 2006-06-23 Ben Elliston <bje@au.ibm.com>
2232 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2233 negate dn -- manipulate it directly.
2235 2006-06-22 Roger Sayle <roger@eyesopen.com>
2236 Steven Bosscher <stevenb.gcc@gmail.com>
2238 PR target/27531
2239 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2240 generated by gen_move_insn to add REG_LABEL notes if necessary.
2242 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2244 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2245 (leaf_entry): Remove use of MIN_ESA.
2247 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2249 PR rtl-optimization/28121
2250 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2251 the entry edge.
2253 2006-06-21 DJ Delorie <dj@redhat.com>
2255 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2256 (TN-16C-A156A/E).
2257 (mulhisi3_r): Likewise.
2259 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2261 PR middle-end/28034
2262 * coverage.c (coverage_counter_alloc): Leave the index type
2263 unspecified.
2264 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2265 of the ARRAY_REF.
2267 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2269 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2270 section from the "Options for Code Generation Conventions".
2272 2006-06-21 Richard Henderson <rth@redhat.com>
2274 PR target/26347
2275 PR target/27082
2276 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2277 symbols.
2278 (global_symbolic_operand): Allow weak symbols, even if local_p.
2280 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2282 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2283 (find_interesting_uses_address): Punt if above function returns true.
2285 2006-06-21 Richard Guenther <rguenther@suse.de>
2287 * configure: Regenerated.
2289 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2291 * config/mips/mips.c (function_arg): Where one part of a
2292 complex argument is in registers and the other part in the stack,
2293 return a REG not a PARALLEL.
2295 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2297 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2298 when cross-compiling. Do not substitute libstdcxx_incdir.
2299 * configure: Regenerated.
2301 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2303 * varasm.c (mergeable_string_section): Check for embedded NULs and
2304 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2305 rather than TREE_STRING_LENGTH bytes.
2307 2006-06-21 Richard Guenther <rguenther@suse.de>
2309 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2310 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2311 sizes.
2313 2006-06-21 Richrad Guenther <rguenther@suse.de>
2315 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2316 Limit iteration over the dominators.
2318 2006-06-20 Roger Sayle <roger@eyesopen.com>
2320 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2321 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2323 2006-06-20 Richard Guenther <rguenther@suse.de>
2324 Michael Matz <matz@suse.de>
2326 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2327 function.
2328 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2329 * et-forest.h (et_free_pools): Prototype new function.
2330 * et-forest.c (et_free_tree_force): Free parent occurrence.
2331 (et_free_pools): New function.
2332 * dominance.c (free_dominance_info): Free et-forest alloc
2333 pools.
2335 2006-06-20 Roger Sayle <roger@eyesopen.com>
2337 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2338 integer modes, attempt to directly construct an integer constant.
2340 * fold-const.c (native_encode_vector): Determine the size of each
2341 element from the vector type instead of the first vector element.
2343 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2344 if all of its elements/components are constant.
2345 (build_constructor_from_list): Likewise.
2347 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2349 PR tree-optimization/27331
2350 * tree-data-ref.c (free_data_ref): New function.
2351 (create_data_ref): Fail if the data reference has unknown access
2352 function.
2353 (free_data_refs): Use free_data_ref.
2355 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2357 PR middle-end/28075
2358 * tree-inline.c (setup_one_parameter): Strip useless
2359 type conversion before adding it to the IR.
2360 (declare_return_variable): Likewise.
2362 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2364 PR c/27149
2365 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2367 2006-06-19 Mike Stump <mrs@apple.com>
2369 * tree.c (variably_modified_type_p): VM arguments don't make the
2370 type a VM type.
2372 2006-06-19 Richard Guenther <rguenther@suse.de>
2374 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2375 type conversions after folding.
2377 2006-06-19 Richard Guenther <rguenther@suse.de>
2379 * ggc-page.c (extra_order_size_tab): Add entries with
2380 size of struct function and basic_block.
2381 (size_lookup): Extend to cover sizes up to 511.
2382 (ggc_alloc_stat): Adjust user.
2383 (ggc_pch_count_object): Likewise.
2384 (ggc_pch_alloc_object): Likewise.
2385 (ggc_pch_write_object): Likewise.
2387 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2389 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2390 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2391 correctly.
2393 2006-06-19 Denis Chertykov <denisc@overta.ru>
2395 * config/avr/libgcc.S : Correct my wrong previous commit.
2397 2006-06-19 Roger Sayle <roger@eyesopen.com>
2399 PR target/27861
2400 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2401 have stripped a SUBREG from the shift count, so we may need to
2402 convert_to_mode back to the type's mode before calling make_tree.
2403 Use new_amount instead of amount to avoid expanding a tree twice.
2405 2006-06-19 Richard Guenther <rguenther@suse.de>
2407 PR middle-end/28045
2408 * fold-const.c (operand_equal_p): Check if the argument types
2409 have the same precision before stripping NOPs.
2411 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2413 Fix PR tree-optimization/27341
2414 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2415 statement we get.
2416 * tree-complex.c (pass_lower_complex): Update SMT usage.
2418 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2420 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2421 Add a new alternative to the constraint strings. Add move of
2422 operand 1 to 3 to the splitter definition.
2423 ("doloop_si_long"): Second contraint alternative removed.
2425 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2427 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2428 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2429 __AVR_HAVE_LPMX__.
2430 (AVR_HAVE_MOVW) Define.
2431 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2432 (ASM_SPEC): Add avr25.
2433 (LINK_SPEC): Add avr25.
2434 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2435 (base_arch_s): Add new member 'have_movw_lpmx'.
2436 (avr_arch_types): Init 'have_movw_lpmx'.
2437 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2438 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2439 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2440 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2441 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2442 AVR_HAVE_MOVW.
2443 (avr_file_start): Do not output '.arh' derective.
2444 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2445 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2446 * config/avr/avr.md (mcu_enhanced): Delete.
2447 (mcu_have_movw): Define.
2448 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2449 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2450 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2451 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2452 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2453 attiny861 and at86rf401 devices.
2455 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2457 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2458 of 4096.
2460 2006-06-17 Karl Berry <karl@gnu.org>
2462 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2463 doc/gccint.texi, doc/install.texi (@dircategory): Use
2464 "Software development" instead of "Programming", following
2465 the Free Software Directory.
2467 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2469 * config/i386/i386.c (legitimate_tls_address)
2470 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2471 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2472 (*tls_dynamic_gnu2_combine_64): Likewise.
2474 2006-06-16 Richard Guenther <rguenther@suse.de>
2476 PR middle-end/27116
2477 * fold-const.c (negate_expr_p): Do not introduce undefined
2478 overflow in negating INTEGER_CSTs.
2479 (fold_negate_expr): Rename from negate_expr. Revert last
2480 change for folding BIT_NOT_EXPR. Change semantics to
2481 return NULL_TREE for non-simplified negations. Do not
2482 strip type conversions and unify type handling.
2483 (negate_expr): New function, wrap around fold_negate_expr
2484 but ensure building a tree always. Strip type conversions
2485 here, fold to result type.
2486 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2488 2006-06-16 Roger Sayle <roger@eyesopen.com>
2490 PR middle-end/27802
2491 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2492 that (would) return their results in stack registers.
2494 2006-06-16 Michael Matz <matz@suse.de>
2495 Richard Guenther <rguenther@suse.de>
2497 * fold-const.c (fold_truthop): Only return new tree node if
2498 we canonicalized something.
2500 2006-06-16 Richard Guenther <rguenther@suse.de>
2502 * function.h (enum function_frequency): Move declaration
2503 out of struct function.
2504 (struct function): Move bool fields and the enum to the bitfield
2505 section. Reorder elements to avoid padding. Remove unused
2506 fields left over from the RTL inliner removal.
2507 * function.c (free_after_compilation): Do not zero removed fields.
2508 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2509 (ipa-type-escape.o): Likewise.
2511 2006-06-16 Richard Guenther <rguenther@suse.de>
2513 * cgraph.h (struct cgraph_local_info): Turn bool elements
2514 into a bitfield.
2515 (struct cgraph_node): Likewise.
2516 (struct cgraph_varpool_node): Likewise.
2518 2006-06-15 Richard Guenther <rguenther@suse.de>
2520 * fold-const.c (fold_truth_not_expr): Rename from
2521 invert_truthvalue. Give it fold_* semantics to avoid
2522 generating garbage.
2523 (invert_truthvalue): New function. Wrapper around
2524 fold_truth_not_expr.
2525 (optimize_minmax_comparison): Avoid creating garbage.
2526 (fold_unary): Use fold_truth_not_expr for folding
2527 TRUTH_NOT_EXPR.
2528 (fold_ternary): Replace uses of invert_truthvalue with
2529 fold_truth_not_expr where applicable.
2530 * tree.h (fold_truth_not_expr): Prototype.
2532 2006-06-16 Richard Guenther <rguenther@suse.de>
2534 PR tree-optimization/27781
2535 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2536 * ipa-pure-const.c (target.h): Include.
2537 (analyze_function): Do not analyze functions that do not
2538 bind locally.
2540 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2542 PR middle-end/27793
2543 * tree-dfa.c (referenced_vars_dup_list): Remove.
2544 (find_referenced_vars): Remove assert.
2545 (referenced_var_check_and_insert): Replace dup list with assert.
2546 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2547 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2549 2006-06-15 Richard Guenther <rguenther@suse.de>
2551 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2552 extra unused identifiers if not dumping.
2553 (create_variable_info_for): Likewise.
2555 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2557 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2558 (derive_constant_upper_bound): Derive more precise upper bound in
2559 common cases. Return type changed to double_int.
2560 (record_estimate): Reflect the changed return type of
2561 derive_constant_upper_bound.
2562 * double-int.c (double_int_zext, double_int_sext): Fix.
2564 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2566 * configure.ac (CFLAGS): Get them from the toplevel or from the
2567 configure invocation.
2568 * configure: Regenerate.
2569 * Makefile.in (CFLAGS): Substitute value provided by configure.
2571 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2573 PR c++/26559
2574 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2575 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2576 rather than calling add_stmt on it.
2577 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2579 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2581 PR middle-end/27959
2582 * reload1.c (reload): Remove registers returned by update_eliminables
2583 from used_spill_regs.
2585 2006-06-13 DJ Delorie <dj@redhat.com>
2587 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2589 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2591 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2592 html__strip_dir, html__mkdir_p. Enhance install-html target.
2593 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2594 * configure: Regenerate.
2596 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2598 * fold-const.c (fold_cond_expr_with_comparison): Check for
2599 Objective-C++ as language in deciding COND_EXPR transformation.
2601 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2603 PR target/28014:
2604 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2605 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2606 * config/sh/lib1funcs.h (SL, SL1): Define.
2607 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2608 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2609 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2610 (OBJS_Os_4_200): New variable.
2611 ($(T)libgcc-Os-4-200.a): Use it.
2612 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2613 when dividing 1 and/or by 0.
2615 2006-06-13 Roger Sayle <roger@eyesopen.com>
2617 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2618 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2619 * configure: Regenerate.
2621 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2623 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2624 for real instruction.
2626 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2628 PR middle-end/26807
2629 * haifa-sched.c (check_cfg): Handle special case.
2631 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2633 PR debug/26754
2634 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2635 Add debug_info parameter. Chain the vars to the BLOCK instead
2636 of the BIND_EXPR if debug info are requested for them.
2637 (pop_gimplify_context): Adjust for above change.
2638 (gimple_add_tmp_var): Likewise.
2639 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2640 Add bool parameter.
2641 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2642 (convert_local_reference): Likewise.
2643 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2644 (finalize_nesting_tree_1): Request that debug info be emitted
2645 for debug_var_chain.
2647 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2649 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2650 for PR target/27863.
2652 2006-06-13 Richard Guenther <rguenther@suse.de>
2654 PR middle-end/27536
2655 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2657 2006-06-13 Richard Guenther <rguenther@suse.de>
2659 PR tree-optimization/27830
2660 * tree-inline.c (copy_body_r): For copying the operand
2661 of an ADDR_EXPR make sure to fold &* afterwards.
2663 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2665 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2666 lvalues in the fb_none case with side-effects.
2668 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2670 * tree-flow.h: Remove the prototype for
2671 compute_phi_arg_on_exit.
2672 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2673 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2674 Remove.
2676 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2678 * builtins.c (expand_builtin_return_addr): Only use
2679 frame_pointer_rtx when count == 0 and we are expanding
2680 __builtin_return_address.
2682 2006-06-12 Fred Fish <fnf@specifix.com>
2684 * config/mips/mips.c (mips_file_start): Create special section
2685 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2687 2006-06-11 Eric Christopher <echristo@apple.com>
2689 PR middle-end/27948
2690 * stor-layout.c (place_field): Remove check for
2691 remaining_in_alignment when aligning at the end of a run.
2693 2006-06-11 Eric Christopher <echristo@apple.com>
2695 PR 27542
2696 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2697 pragma.
2699 2006-06-11 Roger Sayle <roger@eyesopen.com>
2701 PR target/27858
2702 Revert incorrect fix for PR target/27158
2703 2006-05-08 Roger Sayle <roger@eyesopen.com>
2704 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2705 of a reg_equiv_constant if the result is a legitimate constant.
2707 2006-06-11 Roger Sayle <roger@eyesopen.com>
2709 PR target/27158
2710 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2711 extract a CONST_VECTOR element and interpret it as an integer.
2712 (vspltis_constant): Use const_vector_elt_as_int instead of the
2713 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2714 * config/rs6000/predicates.md (easy_vector_const): Consider
2715 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2717 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2719 PR middle-end/27942
2720 * stor-layout.c (update_alignment_for_field): Don't add extra
2721 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2722 code.
2724 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2726 * config/mips/t-rtems: Add EL/EB multilib variants.
2728 2006-06-09 Mike Stump <mrs@apple.com>
2730 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2732 2006-06-09 David Daney <ddaney@avtrex.com>
2734 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2736 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2738 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2740 2006-06-09 Richard Guenther <rguenther@suse.de>
2742 PR tree-optimization/26998
2743 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2744 of signed types, only TYPE_MIN_VALUE is special, but for both,
2745 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2746 in this case, as is -fwrapv.
2748 2006-06-08 Mike Stump <mrs@apple.com>
2750 PR target/26427
2751 * config/darwin.c (darwin_asm_output_anchor): Disable
2752 -fsection-anchors on darwin for now.
2753 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2754 * rs6000/rs6000.c (optimization_options): Likewise.
2756 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2758 PR target/27421
2759 * config/i386/i386.c (classify_argument): Skip fields with invalid
2760 types in unions.
2762 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2764 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2765 (cse_insn): Likewise for the stack_pointer_rtx.
2767 2006-06-08 Roger Sayle <roger@eyesopen.com>
2769 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2770 conditions from floating point comparisons.
2772 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2774 PR middle-end/27733
2775 * expmed.c (struct alg_hash_entry): Fix type of field T
2776 to match synth_mult argument.
2777 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2779 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2781 PR target/27863
2782 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2783 block boundaries.
2785 2006-06-08 Richard Guenther <rguenther@suse.de>
2787 PR middle-end/27116
2788 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2789 only, if overflow is defined and not trapping.
2790 (negate_expr): Likewise.
2792 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2794 PR tree-optimization/27872
2795 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2796 flag on the new exit edge of the unrolled loop.
2798 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2800 PR rtl-optimization/26449
2801 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2803 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2805 PR middle-end/27793
2806 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2807 referenced_variables with matching DECL_UID's.
2808 (find_referenced_vars): Make sure duplicate list is empty to start.
2809 (referenced_var_p): Remove.
2810 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2811 Check if var is in the list, and add if needed. Update the duplicate
2812 list if a different var is in the list with the same DECL_UID.
2813 (add_referenced_var): Call routine to check and insert.
2814 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2815 * tree-flow.h (referenced_vars_dup_list): External declaration.
2817 2006-06-07 Fred Fish <fnf@specifix.com>
2819 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2820 into single entry.
2822 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2824 PR target/27390
2825 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2826 the imaginary and real parts of a clobbered register.
2827 Emit insn to set the imaginary part.
2829 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2831 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2832 in lieu of unwind-dw2-fde.c.
2834 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2836 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2838 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2840 PR target/27842
2841 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2842 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2843 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2844 V4SImode temporaries and operations instead.
2846 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2848 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2849 dp-bit.c.
2851 2006-06-06 Mike Stump <mrs@apple.com>
2853 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2854 installing during build.
2856 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2858 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2859 value to 0.
2860 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2861 * config/ia64/ia64.c (params.h): New header.
2862 (ia64_optimization_options): New function to adjust parameters.
2863 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2864 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2865 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2867 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2869 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2871 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2873 PR target/27051
2874 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2876 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2877 Victor Kaplansky <victork@il.ibm.com>
2879 PR tree-optimization/26360
2880 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2881 stmts.
2883 2006-06-04 Roger Sayle <roger@eyesopen.com>
2884 Andrew Pinski <pinskia@physics.uc.edu>
2886 PR middle-end/27382
2887 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2888 for LABEL_DECL before calling DECL_WEAK.
2890 PR c/27150
2891 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2892 LABEL_DECL and PARM_DECL.
2894 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2896 PR c/25161
2897 PR c/27020
2898 * c-decl.c (grokdeclarator): Disallow variably modified types at
2899 file scope. Avoid marking shared array type of constant size as
2900 VLA.
2902 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2904 PR c++/27601
2905 * c-common.c (fold_offsetof_1): Handle static members.
2907 2006-06-04 Eric Christopher <echristo@apple.com>
2909 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2910 (debug_rli): Output value for remaining_in_alignment.
2911 (update_alignment_for_field): Unconditionalize
2912 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2913 extra alignment code.
2914 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2915 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2916 * tree.h (record_layout_info_s): Remove prev_packed.
2917 * doc/extend.texi (ms_struct): Add documentation of format.
2919 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2921 * tree.h: Declare folding_initializer.
2922 * builtins.c (fold_builtin_constant_p): Give definite answer
2923 if folding inside an initializer.
2924 * fold-const.c: Define folding_initializer.
2925 (START_FOLD_INIT): Save and then set folding_initializer.
2926 (END_FOLD_INIT): Restore folding_initializer.
2928 2006-06-04 Richard Guenther <rguenther@suse.de>
2930 PR tree-optimization/27039
2931 * fold-const.c (fold_comparison): Handle pointer comparison
2932 again for all comparison codes. Compare offsets in signed
2933 size type.
2934 (fold_binary): Move code from here.
2936 2006-06-03 Roger Sayle <roger@eyesopen.com>
2938 PR target/26223
2939 * config/i386/i386.c (construct_container): Split static issued_error
2940 flag into issued_sse_arg_error, issued_sse_ret_error and
2941 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2942 requires the use of x87 registers and the user explicitly
2943 specified the -mno-80387 command line option.
2945 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2947 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2948 HAVE_DECL_SIGALTSTACK.
2949 (MC_FLD): New.
2950 (segv_handler): Use MC_FLD.
2951 * configure.ac: Check for a sigaltstack declaration.
2952 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2953 * configure: Regenerate.
2954 * config.in: Regenerate.
2956 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2958 PR other/27850
2959 * Makefile.in (stmp-fixinc): Fix typo.
2961 2006-06-02 Roger Sayle <roger@eyesopen.com>
2963 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2964 are type correct. Clean-up.
2965 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2966 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2968 2006-06-01 DJ Delorie <dj@redhat.com>
2970 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2971 shift, as we've disabled the "switch" insn that needs it.
2973 2006-06-01 Per Bothner <bothner@bothner.com>
2975 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
2976 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
2977 * c-ppoutput.c (cb_define): Don't increment line 0.
2979 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
2981 * doc/invoke.texi: Add cpu_type power6.
2982 * config.gcc: Add cpu_type power6.
2983 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
2984 to power5+ with Altivec.
2985 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
2986 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2988 2006-05-30 Anatoly Sokolov <aesok@post.ru>
2990 * config/avr/avr.h (SET_ASM_OP): Define.
2992 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
2994 * config/bfin/bfin.c: Fix comment typos.
2996 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
2998 PR 25453
2999 * doc/install.texi: Document --enable-bootstrap and
3000 --disable-bootstrap.
3002 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3004 * doc/install.texi: Document that InfoZIP can replace jar.
3006 2006-05-31 Roger Sayle <roger@eyesopen.com>
3008 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3009 isn't available, directly generate the simpler x87 patterns without
3010 the (use (const_int 0)).
3011 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3012 implementation isn't available.
3013 (*negdf2_1): Likewise.
3014 (*negxf2_1): XF mode negation is always done using the x87.
3015 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3017 2006-05-31 Roger Sayle <roger@eyesopen.com>
3019 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3020 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3021 cabs(z).
3022 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3024 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3026 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3027 * config/bfin/bfin.c (basic-block.h): Include.
3028 (struct machine_function): New.
3029 (bfin_init_machine_status): New.
3030 (override_options): Initialize init_machine_status.
3031 (bfin_hardware_loop): New.
3032 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3033 (DEF_VEC_P (loop_info)): New.
3034 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3035 (struct loop_info): New.
3036 (loop_info): New typedef.
3037 (struct loop_work): New.
3038 (loop_work): New typedef.
3039 (DEF_VEC_O (loop_work)): New.
3040 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3041 (bfin_dump_loops): New.
3042 (bfin_bb_in_loop): New.
3043 (bfin_scan_loop): New.
3044 (bfin_optimize_loop): New.
3045 (bfin_reorg_loops): New.
3046 (bfin_reorg): Use bfin_reorg_loops.
3047 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3048 loop registers.
3049 (I_REGNO_P): Simplify.
3050 (DP_REGNO_P, DPREG_P): New macros.
3051 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3052 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3053 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3054 Add LT_REGS, LC_REGS, LB_REGS.
3055 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3056 'l' for LB_REGS.
3057 (REGNO_REG_CLASS): Deal with loop registers.
3058 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3059 letters.
3060 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3061 New constants for loop registers.
3062 (UNSPEC_LSETUP_END): New.
3063 (seq_insns): New define_attr. Set it for appropriate insns.
3064 (movsi_insn): Add alternatives for move from/to
3065 loop count registers.
3066 (doloop_end): New define_expand.
3067 (loop_end): New define_insn.
3068 (define_split for bad doloop_end): New.
3069 (lsetup_with_autoinit): New define_insn.
3070 (lsetup_without_autoinit): New define_insn.
3071 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3072 * config/bfin/predicates.md (lc_register_operand): New.
3073 (lt_register_operand): New.
3074 (lb_register_operand): New.
3075 (nondp_register_operand): New.
3076 (nondp_reg_or_memory_operand): New.
3077 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3079 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3081 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3082 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3084 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3086 * Makefile.in (CATALOGS): Add po/ prefix.
3087 * configure: Regenerated.
3089 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3091 PR target/27829
3092 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3093 a shift operand before calling shift_op. Avoid redundant call of
3094 shift_op.
3096 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3097 DJ Delorie <dj@redhat.com>
3099 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3100 we're inserting is a singlt-bit constant.
3102 2006-05-30 Roger Sayle <roger@eyesopen.com>
3104 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3105 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3107 2006-05-30 Roger Sayle <roger@eyesopen.com>
3109 PR tree-optimization/23452
3110 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3111 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3112 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3113 complex values and with -ffast-math for FP complex values.
3115 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3117 * c-common.h: Remove the prototype for yyparse.
3118 * rtl.h: Remove the prototype for init_loop.
3120 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3122 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3123 calling recog.
3125 2006-05-30 Roger Sayle <roger@eyesopen.com>
3127 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3128 and rotate cases.
3129 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3130 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3132 2006-05-30 Dirk Mueller <dmueller@suse.de>
3134 PR c/27273
3135 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3136 for CONSTANT_CLASS_P expresisons.
3138 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3140 PR c/27718
3141 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3143 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3145 PR tree-optimization/27779
3146 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3147 initial_condition instead of CHREC_LEFT.
3149 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3151 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3152 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3153 Make prototypes ISO C90.
3155 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3156 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3158 * see.c (see_analyze_one_def): Correct check.
3159 (see_get_extension_data): Check if extension is parallel.
3160 (see_get_extension_reg): Likewise.
3162 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3164 PR target/27790
3165 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3166 into register for (code == GTU).
3168 2006-05-29 Roger Sayle <roger@eyesopen.com>
3170 PR tree-optimization/24964
3171 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3172 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3173 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3174 abs(x)*abs(x) as x*x for scalar floating point modes.
3176 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3178 PR middle-end/27745
3179 * lambda-code.c (perfect_nestify): Don't copy statements
3180 in the inner loop: move them to the inner loop header.
3182 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3184 PR 26237
3185 * c-tree.texi: Document OpenMP directives and clauses.
3187 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3189 * varasm.c (globalize_decl): Fix indentation.
3191 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3193 PR 26242
3194 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3195 pass_fre, pass_store_ccp, pass_copy_prop,
3196 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3197 pass_return_slot, pass_object_size, pass_lim,
3198 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3199 pass_loop_prefetch and pass_stdarg.
3201 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3203 * config/bfin/bfin.opt (mfdpic): New option.
3204 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3205 (EXTRA_MULTILIB_PARTS): Likewise.
3206 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3207 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3208 multilib.
3209 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3210 (CRT_CALL_STATIC_FUNCTION): New.
3211 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3212 -shared.
3213 (CRT_CALL_STATIC_FUNCTION): New.
3214 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3215 FD-PIC moves.
3216 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3217 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3218 (initialize_trampoline): Changed to handle FD-PIC code generation.
3219 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3220 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3221 (override_options): Disallow -mid-shared-library -mfdpic combination.
3222 Can't do unaligned ops if FD-PIC.
3223 Turn off flag_pic if trying to generate non-id-shared-library
3224 non-fdpic code, since it's not supported.
3225 (bfin_assemble_integer): New function.
3226 (TARGET_ASM_INTEGER): Define.
3227 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3228 __BFIN_FDPIC__.
3229 * config/bfin/crtn.s: Restore them.
3230 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3231 if TARGET_FDPIC.
3232 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3233 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3234 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3235 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3236 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3237 call-used.
3238 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3239 FDPIC_REGS and FDPIC_FPTR_REGS.
3240 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3241 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3242 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3243 (load_funcdescsi): New pattern.
3244 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3245 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3246 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3248 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3250 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3251 loop.c.
3253 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3255 * tree-flow.h: Remove the prototype for add_type_alias.
3256 * tree-ssa-alias.c (add_type_alias): Remove.
3258 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3260 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3261 config/fr30/fr30.md, config/i386/i386-interix.h,
3262 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3263 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3264 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3265 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3266 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3267 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3268 Follow spelling conventions.
3269 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3270 Follow spelling conventions.
3272 2006-05-27 Richard Guenther <rguenther@suse.de>
3274 PR middle-end/27773
3275 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3276 to produce a constant of value 1 of generic type.
3278 2006-05-27 Dirk Mueller <dmueller@suse.de>
3280 * cgraphunit.c (decide_is_function_needed): Fix wrong
3281 PR reference.
3283 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3285 PR rtl-optimization/27661
3286 * reload.c (find_reloads): When reloading a VOIDmode constant
3287 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3288 use Pmode as mode of the reload register.
3290 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3292 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3293 is enabled at -O and above.
3295 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3297 PR target/27571
3298 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3299 table data.
3301 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3303 PR c++/20103
3304 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3305 for anonymous variables explicitly declared by front ends.
3307 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3309 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3310 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3311 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3312 ref-all pointers, run a finalization pass for them.
3313 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3314 (finalize_ref_all_pointers): New function.
3315 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3316 regular pointer type to a ref-all pointer type.
3317 (get_tmt_for): Return the special memory tag for ref-all pointers.
3319 2006-05-25 Richard Guenther <rguenther@suse.de>
3321 PR middle-end/27743
3322 * fold-const.c (fold_binary): Do not look at the stripped
3323 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3325 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3327 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3328 for LT and GT if the computed range is effectively empty.
3330 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3332 PR target/27627
3333 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3334 mips_quad_format formats instead of ieee_single_format,
3335 ieee_double_format and ieee_quad_format formats, respectively.
3337 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3339 PR tree-optimization/27639
3340 PR tree-optimization/26719
3341 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3342 call to scev_probably_wraps_p.
3343 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3344 used_in_pointer_arithmetic_p, convert_step): Removed.
3345 (nowrap_type_p): New function.
3346 (scev_probably_wraps_p): Rewritten.
3347 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3348 chrec_convert if chrec_convert_aggressive might have been used.
3349 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3350 scev_direction): New functions.
3351 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3352 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3353 instead of convert_step.
3354 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3355 (convert_step): Declaration removed.
3356 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3358 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3360 * df-core.c: Added to header comments.
3361 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3362 df_ur_bb_info, df_urec_bb_info): Added comments.
3363 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3364 urec, ri problems): Fixed header comments.
3365 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3366 code from df_rd_transfer_function.
3368 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3370 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3371 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3372 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3374 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3376 * expr.c (undefined_operand_subword_p): New.
3377 (emit_move_multi_word): Do not generate move from undefined bits
3378 of a paradoxical subreg.
3380 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3382 PR rtl-optimization/27736
3383 * combine.c (replaced_rhs_value): New variable.
3384 (combine_instructions): Set it.
3385 (distribute_notes): When distributing a note in replaced_rhs_insn,
3386 check whether the value was used in replaced_rhs_value.
3388 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3390 PR c++/26757
3391 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3392 add_referenced_var instead of add_referenced_tmp_var.
3393 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3394 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3395 add_referenced_var.
3396 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3397 tree_optimize_tail_calls_1): Use add_referenced_var.
3398 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3399 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3400 Use add_referenced_var.
3401 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3402 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3403 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3404 Use add_referenced_var.
3405 * tree-dfa.c (struct walk_state): Remove.
3406 (find_referenced_vars): Remove walk state and vars_found hash table.
3407 (make_rename_temp): Use add_referenced_var.
3408 (find_vars_r): Pass less parameters to add_referenced_var.
3409 (referenced_var_p): New. Is var in referenced_var hash table.
3410 (referenced_var_insert): Assert var isn't already in hash table.
3411 (add_referenced_var): Don't need walk_state parameter. Add var if it
3412 isn't already in the hash table.
3413 (add_referenced_tmp_var): Remove.
3414 (find_new_referenced_vars_1): Use add_referenced_var.
3415 * tree-ssa-pre.c (create_expression_by_pieces,
3416 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3417 Use add_referenced_var.
3418 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3419 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3420 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3421 add_referenced_var.
3422 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3423 vect_create_data_ref_ptr, vect_create_destination_var,
3424 vect_init_vector, vect_build_loop_niters,
3425 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3426 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3427 Use add_referenced_var.
3428 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3429 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3430 (add_referenced_var): Add prototype.
3431 * tree-ssa-structalias.c (get_constraint_for,
3432 intra_create_variable_infos): Use add_referenced_var.
3434 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3436 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3437 big-endian paradoxical subregs.
3438 * var-tracking.c (struct micro_operation_def): Document that,
3439 for modify micro operations, insn is the subsequent instruction.
3440 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3441 (var_reg_set, var_mem_set): ... new functions.
3442 (add_stores): Record subsequent insn.
3443 (compute_bb_dataflow): Use new functions for MO_USE.
3444 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3445 notes after the insn, and modify notes before the insn known
3446 to be the subsequent one.
3447 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3449 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3451 PR target/27696
3452 * config/i386/i386.c (ix86_expand_builtin): Use
3453 gen_sse3_monitor64 for TARGET_64BIT.
3455 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3457 PR rtl-optimization/26375
3458 PR rtl-optimization/26855
3459 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3460 to gen set.
3461 (df_ru_bb_local_compute): Reversed statements and removed bogus
3462 comment explaining why they should be in wrong order.
3463 (df_ru_dump, df_rd_dump): Enhanced debug info.
3464 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3465 debug info.
3466 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3467 reaching uses and fixed space problem.
3469 2006-05-23 Jan Hubicka <jh@suse.cz>
3471 * cgraphunit.c (decide_is_function_needed): Also nested functions
3472 and functions declared inline can be optimized out at -O0.
3474 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3476 * doc/install.texi (Configuration): Remove reference to CrossGCC
3477 FAQ which was gone.
3478 (Building): Ditto.
3480 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3482 PR target/27266
3483 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3484 ix86_compare_emitted is non-NULL.
3486 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3488 PR c++/27451
3489 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3490 clobbers.
3492 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3494 PR rtl-optimization/25514
3495 * combine.c (replaced_rhs_insn): New variable.
3496 (combine_instructions): Set replaced_rhs_insn when trying to replace
3497 a SET_SRC with a REG_EQUAL note.
3498 (distribute_notes): Use replaced_rhs_insn when determining the live
3499 range of a REG_DEAD register.
3501 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3502 Anatoly Sokolov <aesok@post.ru>
3504 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3505 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3506 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3507 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3508 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3509 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3510 at90usb647, at90usb1286 and at90usb1287 devices.
3511 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3512 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3514 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3516 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3518 2006-05-22 Richard Guenther <rguenther@suse.de>
3520 Revert
3521 2006-01-31 Richard Guenther <rguenther@suse.de>
3522 Paolo Bonzini <bonzini@gnu.org>
3524 * doc/install.texi (--disable-libgcc-math): Document.
3526 2006-05-22 Richard Guenther <rguenther@suse.de>
3528 Revert
3529 2006-01-31 Richard Guenther <rguenther@suse.de>
3531 * doc/invoke.texi (-msselibm): Document.
3532 * target.h (expand_library_builtin): New target hook.
3533 * builtins.c (expand_builtin): Use expand_library_builtin.
3534 (default_expand_library_builtin): New function.
3535 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3536 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3537 (link_gcc_math_spec): Declare.
3538 (static_specs): Add link_gcc_math_spec.
3539 * expr.h (default_expand_library_builtin): Declare.
3540 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3541 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3542 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3543 * config/i386/i386.opt (msselibm): New target option.
3544 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3545 (ix86_init_sse_abi_builtins): New function.
3546 (ix86_expand_library_builtin): Likewise.
3547 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3548 (override_options): Handle error conditions wrt -msselibm.
3549 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3550 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3551 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3552 builtins.
3554 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3556 PR c/27420
3557 * c-common.c (self_promoting_args_p): Skip erroneous args.
3559 PR c/26818
3560 * c-decl.c (finish_struct): Skip erroneous fields.
3562 2006-05-22 Nick Clifton <nickc@redhat.com>
3564 * config/cris/cris.opt (march): Remove VarExists attribute.
3565 (max-stackframe=): Likewise.
3567 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3569 * doc/rtl.texi: Fix a typo.
3570 * see.c: Fix comment typos.
3572 * tree-ssa-structalias.h (alias_info): Remove num_references.
3574 2006-05-21 Mike Stump <mrs@apple.com>
3576 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3577 (BAD2): Add.
3578 (darwin_pragma_options): Use BAD instead.
3579 (darwin_pragma_unused): Likewise.
3580 (darwin_pragma_ms_struct): Likewise.
3582 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3584 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3586 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3588 PR rtl-optimization/27671
3589 * simplify-rtx.c (simplify_relational_operation_1): Fix
3590 simplifications of (eq/ne (xor x y) y) and
3591 (eq/ne (xor x y) x).
3593 PR tree-optimization/26622.
3594 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3595 on arg1.
3597 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3599 * tree-cfg.c: Prune whitespace.
3600 (debug_tree_cfg): Point to correct header containing the
3601 TDF_* defines.
3603 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3605 PR middle-end/25776
3606 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3608 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3610 PR middle-end/25776
3611 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3612 or sorry count is non zero.
3614 2006-05-20 Andreas Schwab <schwab@suse.de>
3616 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3618 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3619 Kenneth Zadeck <zadeck@naturalbridge.com>
3621 PR rtl-optimization/26855
3623 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3624 multiword refs.
3625 (df_scan_alloc): Added code to properly handle multiword hard
3626 registers and add all_blocks parameter.
3627 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3628 code to properly handle multiword hard registers.
3629 (df_rescan_blocks): Added code to remove deleted blocks from
3630 bitmap.
3631 (df_ref_create_structure, df_ref_record): Added code to properly
3632 handle subregs.
3633 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3634 and set DF_REF_PARTIAL.
3635 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3636 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3637 (df_scan_add_problem): Added flags parameter.
3638 (df_ref_create_structure): Changed switching structure.
3639 (df_bb_refs_record): Fixed case where duplicate artificial refs
3640 were created. Changed location of flags.
3641 (df_record_entry_block_defs): Added code to make stack pointer
3642 live in entry block. Refined cases where frame pointer is needed.
3643 Changed location of flags.
3644 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3645 (df_set_state): Removed function.
3646 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3647 df_insn_create_insn_record, df_insn_refs_delete,
3648 df_ref_create_structure): Formatting changes.
3649 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3650 df_delete_basic_block): New function.
3651 (df_init): Changed location of flags.
3652 (df_add_problem): Added flags parameter and the way flags are
3653 processed.
3654 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3655 debug_df_chain): Improved debugging output.
3656 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3657 (df_refs_chain_dump): Removed df parameter.
3658 (df_iterative_dataflow): Added consistency check.
3659 (df_prune_to_subcfg): Made public.
3660 (df_analyze_problem): Added blocks_to_init parameter and made
3661 public.
3662 (df_ref_record, df_bb_refs_record, df_mark_reg,
3663 df_record_exit_block_uses): Whitespace changes.
3664 (df_dump): Whitespace changes.
3665 * df.h: Some reordering to remove forward references.
3666 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3667 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3668 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3669 (dataflow.flags): New field.
3670 (df.flag): Deleted field.
3671 (df_alloc_function): Added additional bitmap parameter.
3672 (df_dependent_problem_function): New type.
3673 (df_problem.changeable_flags): New field.
3674 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3675 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3676 (df_mw_hardreg): New struct.
3677 (DF_INSN_UID_MWS): New macro.
3678 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3679 parameter.
3680 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3681 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3682 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3683 (df_set_state): Removed function.
3684 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3685 * df-problems.c (df_chain_dump): Removed df parameter.
3686 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3687 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3688 parameter.
3689 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3690 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3691 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3692 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3693 DF_REF_MUST_CLOBBER cases.
3694 (df_ru_bb_local_compute_process_def,
3695 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3696 df_lr_bb_local_compute, df_ur_bb_local_compute,
3697 df_chain_create_bb): Made subreg aware.
3698 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3699 df_lr_bb_local_compute, df_lr_bb_local_compute,
3700 df_chain_create_bb): Cleanup to use proper macros.
3701 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3702 code to fixup bitvectors.
3703 (df_ri_alloc): Cleared lifetime.
3704 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3705 df_create_unused_note): New function.
3706 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3707 REG_DEAD and REG_UNUSED notes as well as register information.
3708 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3709 df_chains_dump): Fixed crash if problem was never run.
3710 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3711 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3712 df_ri_add_problem): Processes flags in uniform manner.
3713 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3714 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3715 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3716 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3717 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3718 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3719 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3720 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3721 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3722 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3723 * see.c (see_initialize_data): Ditto.
3724 * final.c (rest_of_clean_state) Added regstack_completed.
3725 * rtl.h (regstack_completed): Ditto.
3726 * reg-stack.c (regstack_completed): Ditto.
3728 2006-05-19 Mike Stump <mrs@apple.com>
3730 * c-tree.h (default_conversion): Remove.
3731 * c-common.h (default_conversion): Add.
3733 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3735 * tree-vrp.c (valid_value_p): New function.
3736 (adjust_range_with_scev): Fail if the value of bound is not
3737 simple.
3739 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3741 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3742 (mips_fallback_frame_state): Use syscall numbers to determine
3743 the appropriate li instruction for the current ABI. Only use
3744 __NR_sigreturn for o32.
3746 2006-05-19 Nicolas Setton <setton@adacore.com>
3748 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3749 * langhooks.c (lhd_dwarf_name): New function.
3750 * langhooks-def.h (lhd_dwarf_name): Declare.
3751 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3752 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3753 * ada/misc.c (gnat_dwarf_name): New function.
3754 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3756 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3758 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3759 libgcc2.h.
3760 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3761 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3762 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3763 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3764 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3765 determine the size of Wtype, etc.
3766 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3767 (swfloatfuncs): New variable.
3768 (dwfloatfuncs): Likewise.
3769 (lib2funcs): Remove floating-point conversion functions from
3770 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3771 the set of conversion routines needed. Allow entries to specify
3772 an object name, filename and word size. Update users accordingly.
3773 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3774 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3776 Revert:
3778 2006-02-08 Roger Sayle <roger@eyesopen.com>
3780 PR target/22209
3781 * config/fixtfdi.c: New libgcc source file.
3782 * config/fixunstfdi.c: New source file.
3783 * config/floatditf.c: New source file.
3784 * config/floatunditf.c: New souce file.
3785 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3786 files above instead of config/mips/_tilib.c.
3787 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3789 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3791 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3792 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3794 2006-05-18 Mike Stump <mrs@apple.com>
3796 Fix up vla, vm and [*] sematics.
3798 PR c/18740
3799 PR c/7948
3800 PR c/25802
3801 PR c/27673
3802 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3803 (c_vla_unspec_p): Add.
3804 (c_vla_type_p): Add.
3805 * c-decl.c (struct c_scope): Add had_vla_unspec.
3806 (build_array_declarator): Add support for [*].
3807 (grokdeclarator): Likewise.
3808 (grokparms): Likewise.
3809 (get_parm_info): Likewise.
3810 * c-objc-common.c (c_vla_unspec_p): Likewise.
3811 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3812 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3813 typeof when argument is a variably modified type not inside sizeof or alignof.
3814 (c_parser_direct_declarator_inner): Propagate errors.
3815 (c_parser_sizeof_expression): Add support for [*].
3816 (c_parser_parms_declarator): Initialize had_vla_unspec.
3817 (c_parser_parms_list_declarator): Likewise.
3818 * c-typeck.c (c_vla_type_p): Add.
3819 (composite_type): Add support for vla compositing.
3820 (comptypes_internal): Add support for vla compatibility.
3821 (c_expr_sizeof_expr): Evaluate vla arguments.
3822 * tree.c (variably_modified_type_p): Update comment for [*].
3824 2006-05-18 Michael Matz <matz@suse.de>
3826 PR target/27599
3827 * config.host: Make assignments to host_xmake_file cumulative.
3828 * config.host (*-darwin*): Test $host, not $target.
3830 2006-05-12 Stuart Hastings <stuart@apple.com>
3832 * config/i386/i386.opt (-mstackrealign): New flag.
3833 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3834 (ix86_handle_cconv_attribute): Emit error when
3835 force_align_arg_pointer attribute collides with too many regparms.
3836 (ix86_function_regparm): Limit regparms when used with
3837 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3838 Support stack-realigning prologue in non-main functions. Emit
3839 warning for nested functions under -mstackrealign, emit error for
3840 nested functions with force_align_arg_pointer attribute.
3841 * doc/extend.texi (force_align_arg_pointer): Document it.
3842 * doc/invoke.texi (-mstackrealign): Document it.
3844 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3846 PR rtl-optimization/27477
3847 * combine.c (try_combine): Don't split a parallel consisting
3848 of two sets into two individual sets if both sets reference
3849 cc0.
3851 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3853 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3854 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3856 * doc/options.texi (VarExists): Updated.
3858 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3860 * unwind-dw2.c: Add declarations for uw_update_context and
3861 uw_frame_state_for.
3862 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3863 detected, advance frame state and context once to skip over stub.
3865 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3867 PR middle-end/20256
3868 PR middle-end/26435
3869 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3870 Call rewrite_into_loop_closed_ssa only when something changed.
3871 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3872 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3873 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3874 Test for perfect_nest_p here. Fix formating.
3875 (replace_uses_equiv_to_x_with_y): Fix formating.
3876 (stmt_uses_op): Removed.
3877 (can_convert_to_perfect_nest): Removed loopivs parameter.
3878 Complete the test by checking the scalar dependences.
3879 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3880 Fix formating.
3882 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3884 PR bootstrap/22541
3885 From Dan Kegel <dank@kegel.com>:
3886 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3888 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3890 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3891 if the element type is variably modified without recursing.
3893 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3895 PR middle-end/27332
3896 * tree-loop-linear.c (try_interchange_loops): Test for
3897 no data dependences.
3899 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3901 PR tree-optimization/27548
3902 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3903 range of ssa names that appear on abnormal edges.
3904 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3905 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3907 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3909 PR middle-end/27620
3910 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3912 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3914 PR middle-end/27415
3915 * tree.h (OMP_PARALLEL_COMBINED): Define.
3916 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3917 (new_omp_context): Add is_combined_parallel argument.
3918 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3919 new_omp_context caller.
3920 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3921 Adjust gimplify_scan_omp_clauses callers.
3922 (omp_is_private): Issue errors if iteration variable is firstprivate
3923 or reduction in the current context.
3924 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3925 on combined parallel workshare constructs.
3927 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3929 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3930 (gcc-options.o): New rule.
3932 * optc-gen.awk: Protect variables for gcc-options.o with
3933 #ifdef GCC_DRIVER/#endif.
3935 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3937 Fix PR tree-optimization/27373
3938 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3939 (forward_propagate_addr_expr): Update call.
3941 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3943 * doc/options.texi: Move the Negative option.
3945 2006-05-16 Richard Guenther <rguenther@suse.de>
3947 PR tree-optimization/22303
3948 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3949 from STRING_CSTs.
3950 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3951 ccp_fold did not simplify the statement.
3953 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3955 PR driver/26885
3956 * Makefile.in (GCC_OBJS): New.
3957 (OBJS-common): Add opts-common.o.
3958 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3959 (cpp$(exeext)): Likewise.
3960 (gcc.o): Also depend on opts.h.
3961 (opts-common.o): New.
3963 * common.opt (gcoff): Add Negative(gdwarf-2).
3964 (gdwarf-2): Add Negative(gstabs).
3965 (gstabs): Add Negative(gstabs+).
3966 (gstabs+): Add Negative(gvms).
3967 (gvms): Add Negative(gxcoff).
3968 (gxcoff): Add Negative(gxcoff+).
3969 (gxcoff+): Add Negative(gcoff).
3970 * config/i386/i386.opt (m32): Add Negative(m64).
3971 (m64): Add Negative(m32).
3973 * doc/options.texi: Document the Negative option.
3975 * gcc.c: Include "opts.h".
3976 (main): Call prune_options after expandargv.
3978 * optc-gen.awk: Generate common declarations for all flag
3979 variables in options.c. Output the neg_index field.
3981 * opts.c (find_opt): Moved to ...
3982 * opts-common.c: Here. New file.
3984 * opts.h (cl_option): Add a neg_index field.
3985 (find_opt): New.
3986 (prune_options): Likewise.
3988 2006-05-16 Jakub Jelinek <jakub@redhat.com>
3990 PR middle-end/27573
3991 * omp-low.c (expand_omp_parallel): Don't assert
3992 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
3993 instead search for it.
3995 PR c/27499
3996 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
3997 is signed.
3999 2006-05-16 Andreas Schwab <schwab@suse.de>
4001 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4002 defmac.
4004 2006-05-15 Roger Sayle <roger@eyesopen.com>
4006 PR target/26600
4007 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4008 integer constants other than zero are only legitimate on TARGET_64BIT.
4009 <CONST_VECTOR> Only zero vectors are legitimate.
4010 (ix86_cannot_force_const_mem): Integral and vector constants can
4011 always be put in the constant pool.
4013 2006-05-16 DJ Delorie <dj@redhat.com>
4015 * crtstuff.c (__dso_handle): Set section from
4016 TARGET_LBIGCC_SDATA_SECTION if defined.
4017 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4018 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4020 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4022 PR target/27599
4023 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4024 host_xmake_file.
4026 2006-05-16 Ben Elliston <bje@au.ibm.com>
4028 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4030 2006-05-15 Per Bothner <per@bothner.com>
4032 * tree.c: (last_annotated_node): Use source_locus typedef.
4033 This permits bootstrapping with --enable-mapped-location.
4035 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4037 PR tree-optimization/26830
4038 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4039 (info_for_ssa_name, current_info_for_ssa_name_age,
4040 blocks_to_update): New variables.
4041 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4042 (clear_ssa_name_info, initialize_flags_in_bb,
4043 mark_block_for_update): New functions.
4044 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4045 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4046 prepare_def_site_for): Use mark_block_for_update.
4047 (mark_def_interesting): Assert that the processed block is marked in
4048 blocks_to_update. Do not take blocks argument.
4049 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4050 argument.
4051 (rewrite_update_init_block, rewrite_update_stmt): Only process
4052 blocks with statements to rewrite.
4053 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4054 (update_ssa): Initialize and free blocks_to_update. Do not
4055 clear flags on statements. Do not use blocks bitmap.
4056 * tree.h (SSA_NAME_AUX): Removed.
4057 (struct tree_ssa_name): Removed aux field.
4058 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4060 2006-05-15 Richard Guenther <rguenther@suse.de>
4062 PR tree-optimization/27603
4063 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4064 Do computations in original type.
4066 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4068 * see.c: Code style changes such as redundant paranthesis,
4069 redundant intialization of local variables etc.
4070 (see_main): Declared now as static.
4071 * doc/invoke.texi: Update that -fsee is not enabled by
4072 default at -O3.
4074 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4076 * omp-low.c (check_omp_nesting_restrictions): New function.
4077 (scan_omp_1): Call it.
4079 PR middle-end/27416
4080 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4081 construct, return *VAR.
4083 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4085 PR rtl-optimization/27406
4086 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4087 edges.
4089 2006-05-14 Roger Sayle <roger@eyesopen.com>
4091 PR rtl-optimization/27538
4092 * combine.c (expand_compound_operation): Call gen_lowpart
4093 before calling simplify_shift_const.
4095 2006-05-14 Roger Sayle <roger@eyesopen.com>
4097 PR rtl-optimization/22563
4098 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4099 a fixed width bitfield, always force the intermediates into psuedos.
4101 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4103 PR 27501
4104 * mkconfig.sh: Use operator = instead of == for test.
4106 2006-05-13 Nick Clifton <nickc@redhat.com>
4108 * dwarf2out.c (dbx_reg_number): Check return value from
4109 LEAF_REG_REMAP and only use it if it is valid.
4110 (multiple_reg_loc_descriptor): Likewise.
4112 2006-05-13 Richard Guenther <rguenther@suse.de>
4114 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4115 host_xmake_file.
4117 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4119 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4120 information attached to non-INSNs such as NOTEs.
4121 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4123 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4125 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4126 On contraint.
4127 * config/s390/s390.md: Adjust comment describing On constraint.
4129 2006-05-11 Jan Hubicka <jh@suse.cz>
4131 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4132 to be output at -O0.
4134 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4136 PR middle-end/27384
4137 * fold-const.c (size_binop): Move sanity check for arguments to
4138 the beginning of the function.
4140 PR middle-end/27488
4141 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4142 expression.
4144 2006-05-11 Richard Guenther <rguenther@suse.de>
4146 PR middle-end/27529
4147 * fold-const.c (fold_unary): Handle intermediate conversion
4148 to a pointer type like intermediate conversion to an integer
4149 type in folding of (T1)(T2)var to var.
4150 Match the code to the comment in the final conversion for
4151 (T1)(T2)var to (T1)var regarding to type precision. Rather
4152 than disallow T1 being of pointer type, assert that both T1
4153 and var are of pointer type or not. Make sure not to fall
4154 over the frontends lazyness wrt array to pointer decay though.
4156 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4158 * arm.c (arm_struct_value_rtx): Delete.
4159 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4160 (arm_init_cumulative_args): Always initialize nregs to zero.
4162 2006-05-10 Richard Guenther <rguenther@suse.de>
4164 PR tree-optimization/27532
4165 * tree-object-size.c (plus_expr_object_size): Fix typo.
4167 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4169 PR target/24949
4170 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4171 ashrdi_const, ashrdi3): Use a scratch register.
4173 2006-05-10 Richard Guenther <rguenther@suse.de>
4175 PR tree-optimization/27302
4176 * fold-const.c (operand_equal_p): For two comparisons,
4177 try comparison of one comparison code swapped if that yields
4178 the same code.
4180 2006-05-10 Ben Elliston <bje@au.ibm.com>
4182 * tree-pretty-print.c (pretty_print_string): No need to handle
4183 '\0' as a special character.
4185 * tree.h: Include "hashtab.h".
4186 (iterative_hash_expr): Use hashval_t in its prototype.
4187 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4189 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4191 PR bootstrap/26872
4192 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4193 (hppa*64*-*-hpux11*): Ditto.
4194 (hppa[12]*-*-hpux11*): Ditto.
4196 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4198 PR target/26545
4199 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4201 2006-05-09 Michael Matz <matz@suse.de>
4203 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4204 host_extra_gcc_objs and host_xmake_file.
4205 (<*-*-linux*>): Don't overwrite host_xmake_file.
4206 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4207 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4208 (host_detect_local_cpu): Declare.
4209 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4210 * config/i386/i386.c (override_options): Handle -mtune=native
4211 as -mtune=generic.
4212 * config/i386/x-i386: New file.
4213 * config/i386/driver-i386.c: New file.
4214 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4215 cpu-type "native".
4217 2006-05-09 Dirk Mueller <dmueller@suse.de>
4218 Richard Guenther <rguenther@suse.de>
4220 PR middle-end/27498
4221 * fold-const.c (fold_read_from_constant_string): Relax check
4222 for matching types to matching modes.
4224 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4226 PR rtl-optimization/27335
4227 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4228 loops.
4230 2006-05-08 Chao-ying Fu <fu@mips.com>
4231 Richard Sandiford <richard@codesourcery.com>
4233 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4234 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4235 * config/mips/mips.md (UNSPEC_SCC): New constant.
4236 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4237 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4238 (mips_emit_compare): Use it.
4239 (mips_expand_vcondv2sf): New function.
4241 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4243 Fix PR tree-optimization/27093
4244 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4245 renaming when they become not-used_alone.
4247 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4249 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4250 relocation and relocation stubs.
4252 2006-05-08 Eric Christopher <echristo@apple.com>
4254 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4255 section for ppc.
4257 2006-05-08 Jan Hubicka <jh@suse.cz>
4259 PR middle-end/24561
4260 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4261 unused static functions are needed.
4263 2006-05-08 Roger Sayle <roger@eyesopen.com>
4265 PR target/27158
4266 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4267 of a reg_equiv_constant if the result is a legitimate constant.
4269 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4271 PR target/27277
4272 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4273 standard 80387 constants, raise the cost to prevent
4274 compress_float_constant() to generate load from memory.
4276 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4278 * config/arm/constraints.md (c): Fix a typo.
4280 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4281 typos.
4283 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4285 PR target/24879
4286 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4287 inline function.
4288 (_mm_mwait): Likewise.
4290 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4291 "mwait".
4292 (sse3_monitor): Make it 32bit only.
4293 (sse3_monitor64): New. 64bit monitor.
4295 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4297 PR target/27421
4298 * config/i386/i386.c (classify_argument): Skip fields with invalid
4299 types.
4301 2006-05-07 Richard Guenther <rguenther@suse.de>
4303 PR tree-optimization/27409
4304 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4305 Do not try to find zero-sized subvars.
4307 2006-05-07 Richard Guenther <rguenther@suse.de>
4309 PR tree-optimization/27136
4310 * tree-ssa-loop-niter.c (get_val_for): Correct function
4311 comment, assert requirements.
4312 (loop_niter_by_eval): Stop processing if the iterated
4313 value did not simplify.
4315 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4317 * opts.c (flag_see): remove its setting at -O3.
4319 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4321 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4322 * arm/constraints.md: New file.
4323 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4324 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4325 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4326 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4327 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4328 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4329 * arm.md: Include constraints.md.
4330 (thumb_movsi_insn): Use satisfies_constraint_J.
4331 (movhi, movqi): Use satisfies_constraint_I.
4333 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4335 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4336 for atmeg a645 device.
4338 2006-05-06 Richard Guenther <rguenther@suse.de>
4340 PR tree-optimization/27151
4341 * tree-vect-transform.c (vectorizable_condition): Punt on
4342 values that have a different type than the condition.
4344 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4346 PR/21391
4347 * c-parser.c (c_parser_cast_expression): Only insert casts into
4348 hash table if pointer.
4349 * function.c (used_types_insert_helper): Rename from
4350 used_types_insert.
4351 (used_types_insert): Call used_types_insert_helper.
4352 * function.h (used_types_insert): Accept only one argument.
4354 2006-05-05 David Edelsohn <edesohn@gnu.org>
4356 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4357 scratch with output modifier.
4359 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4361 PR target/26481
4362 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4363 with output modifier.
4365 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4367 PR target/26765
4368 * config/mips/mips.c (mips_symbolic_address_p): Return true
4369 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4370 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4372 2006-05-04 Richard Guenther <rguenther@suse.de>
4374 PR tree-optimization/14287
4375 PR tree-optimization/14844
4376 PR tree-optimization/19792
4377 PR tree-optimization/21608
4378 PR tree-optimization/27090
4379 * tree-ssa-pre.c (try_combine_conversion): New function.
4380 (compute_avail): After constructing the value-handle
4381 expression, use try_combine_conversion to combine NOP_EXPRs
4382 with previous value-handle expressions and use the result if it
4383 is available.
4385 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4387 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4389 2006-05-04 Jan Hubicka <jh@suse.cz>
4391 PR middle-end/25962
4392 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4394 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4396 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4397 that this only matches CONST_INTs. All users changed to VOIDmode
4398 operands.
4400 * config/bfin/bfin.c: Include "optabs.h".
4401 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4402 to do more work.
4403 (enum bfin_builtins): Add a number of fractional and vector builtins.
4404 (bfin_init_builtins): Likewise.
4405 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4406 (safe_vector_operand, bfin_expand_binop_builtin,
4407 bfin_expand_unop_builtin): New functions.
4408 (bfin_expand_builtin): Handle the new builtins.
4409 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4410 __ADSPBLACKFIN__.
4412 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4414 * see.c: New file.
4415 * Makefile.in (OBJS-common): Add see.o.
4416 (see.o): Add dependencies.
4417 * common.opt (fsee): New flag for the see optimization was added.
4418 * opts.c (flag_see): Initialized.
4419 * passes.c (init_optimization_passes, pass_see): New pass.
4420 * rtl.h (see_main): Declaration as extern.
4421 * timevar.def (TV_SEE): New.
4422 * tree-pass.h (pass_see): Declaration as extern.
4423 * invoke.texi (-fsee): Document.
4424 * recog.c (validate_simplify_insn): New function.
4425 * recog.h (validate_simplify_insn): Declaration as extern.
4426 * df-problems.c (df_chain_dump): Check for NULL.
4428 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4429 Daniel Berlin <dberlin@dberlin.org>
4431 * cfgrtl.c (insert_insn_bb_end_new): New function.
4432 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4434 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4436 * df.h (struct web_entry): Moved from web.c.
4437 (union_defs): Declaration as extern.
4438 (unionfind_root): Likewise.
4439 (unionfind_union): Likewise.
4440 * web.c (struct web_entry): Moved to df.h.
4441 (unionfind_root): Remove static declaration.
4442 (unionfind_union): Likewise.
4443 (union_defs): Likewise and generalize to use callback function.
4444 (web_main): Update arguments for union_defs function call.
4446 2006-05-04 Richard Guenther <rguenther@suse.de>
4448 PR tree-optimization/26447
4449 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4450 produce SSA_NAME copies before the store stmt to avoid
4451 breaking exception handling.
4453 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4455 PR middle-end/27388
4456 * gimplify.c (omp_is_private): If var is shared in some outer context,
4457 return false instead of true. Stop searching on parallel context
4458 boundary.
4460 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4462 PR java/8260
4463 * coverage.c: Use get_gcov_unsigned_t() instead of
4464 unsigned_type_node all over.
4466 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4468 PR tree-optimization/27381
4469 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4470 maintain the same immediate_use links.
4471 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4472 node rather than segfaulting.
4474 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4476 PR fortran/27395
4477 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4478 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4479 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4481 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4483 Fix PR tree-optimization/26626
4484 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4485 always.
4486 * tree-ssa-operands.c (access_can_touch_variable): Allow
4487 typecasting through union pointers.
4489 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4491 PR c++/26943
4492 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4493 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4494 to find if var will be a global variable even in the nested context.
4495 (omp_copy_decl): Only check for global variable at the end, it might
4496 be overridden in outer contexts.
4497 (scan_sharing_clauses): For global variables don't create a field.
4498 (lower_rec_input_clauses): Do nothing for global shared variables.
4499 Emit a barrier at the end of ILIST if there were any decls in both
4500 firstprivate and lastprivate clauses.
4501 (lower_send_clauses): Do nothing for global variables except for
4502 COPYIN.
4504 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4506 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4507 of the correct signedness is returned.
4509 2006-05-02 Jeff Law <law@redhat.com>
4511 PR tree-optimization/27364
4512 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4513 multiply expressions.
4515 2006-05-02 Tom Tromey <tromey@redhat.com>
4517 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4519 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4521 PR target/27387
4522 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4523 -mthumb -fPIC are used.
4525 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4526 Joshua Kinard <kumba@gentoo.org>
4528 PR target/25871
4529 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4530 with 64-bit pointers.
4532 2006-05-02 Paul Brook <paul@codesourcery.com>
4534 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4535 and pool overlap.
4536 (create_fix_barrier): Check that a suitable barrier location is
4537 found.
4538 (arm_reorg): Include ftmp->address in allowable range of addresses.
4540 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4542 PR ada/27366
4543 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4544 on Cygwin.
4546 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4548 PR middle-end/27337
4549 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4550 around RESULT_DECL for result passed by reference.
4551 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4552 * omp-low.c (use_pointer_for_field): Don't look at
4553 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4554 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4555 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4556 time or var for passing by reference for
4557 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4558 TREE_ADDRESSABLE variables when passing by reference.
4560 * omp-low.c (dump_omp_region): Fix output formatting.
4562 PR middle-end/27328
4563 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4564 (expand_omp_parallel): Likewise.
4565 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4567 PR middle-end/27325
4568 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4569 on statement list containing also constructors and destructors.
4570 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4572 PR middle-end/27310
4573 * except.c (duplicate_eh_regions): Fix clearing of
4574 cfun->eh->region_array entries.
4576 2006-05-01 DJ Delorie <dj@redhat.com>
4578 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4579 build!=host.
4580 (gcc_cv_objdump): Likewise.
4581 * configure: Regenerated.
4583 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4585 PR target/27374
4586 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4587 templates for case 3 and 4.
4589 2006-05-01 DJ Delorie <dj@redhat.com>
4591 * vec.c: Include bconfig.h when appropriate.
4592 * Makefile.in (build/vec.o): Adjust dependencies.
4593 * mkconfig.sh: Make sure config.h isn't used for build machine
4594 compiles.
4596 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4598 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4599 variables.
4600 (mark_phi_for_rewrite): New function.
4601 (insert_phi_nodes_for, mark_use_interesting): Call
4602 mark_phi_for_rewrite.
4603 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4604 (update_ssa): Initialize and free phis_to_rewrite.
4606 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4608 PR rtl-optimization/27291
4609 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4610 folded to a constant.
4612 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4614 PR tree-optimization/27283
4615 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4616 not whole # of iteration descriptions.
4617 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4618 uses abnormal ssa name.
4619 (niter_for_single_dom_exit): Ditto.
4620 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4621 return just the number of iterations.
4623 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4625 PR tree-optimization/27144
4626 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4627 (record_estimate): Only record constant upper bound.
4628 (infer_loop_bounds_from_undefined): Call
4629 compute_estimated_nb_iterations just once.
4630 (proved_non_wrapping_p): Renamed to ...
4631 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4632 (convert_step_widening, scev_probably_wraps_p): Call
4633 n_of_executions_at_most instead of proved_non_wrapping_p.
4634 (substitute_in_loop_info): Do not replace values in bounds.
4635 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4636 comments.
4638 2006-05-01 Richard Henderson <rth@redhat.com>
4640 PR c/27358
4641 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4642 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4643 CPP_PRAGMA.
4645 2006-05-01 Roger Sayle <roger@eyesopen.com>
4647 * c-typeck.c (parser_build_binary_op): Don't call the function
4648 unsigned_conversion_warning to spot operand/result type overflow.
4649 (build_binary_op): Instead, call convert_and_check instead of
4650 convert to report the problem when the operands are promoted.
4651 * c-common.c (unsigned_conversion_warning): Make static.
4652 * c-common.h (unsigned_conversion_warning): Delete prototype.
4654 2006-05-01 Richard Guenther <rguenther@suse.de>
4656 PR tree-optimization/26726
4657 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4658 problem ...
4659 (find_interesting_uses_address): ... we work around here
4660 by folding INDIRECT_REFs in the substituted base.
4662 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4664 * omp-low.c (dump_omp_region): Add newlines.
4666 2006-04-30 Roger Sayle <roger@eyesopen.com>
4668 * common.opt (Woverflow): New command line option.
4669 * c-common.c (constant_expression_warning): Check warn_overflow.
4670 (overflow_waring): Pass OPT_Woverflow to warning.
4671 (unsigned_conversion_warning): Likewise.
4672 (convert_and_check): Likewise.
4673 * doc/invoke.texi: Document new command line option.
4675 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4677 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4678 TARGET_NO_FP_IN_TOC for section anchors.
4679 (optimization_options): Enable section anchors for all
4680 non-"Objective" languages.
4682 2006-04-28 Eric Christopher <echristo@apple.com>
4684 * config/darwin-c.c (darwin_ms_struct): Move this
4685 (darwin_set_default_type_attributes): and this...
4686 * config/darwin.c: ... here.
4687 * config/darwin.h (darwin_ms_struct): Declare.
4689 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4691 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4693 2006-04-28 Roger Sayle <roger@eyesopen.com>
4695 PR c/25309
4696 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4697 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4698 an unsigned HOST_WIDE_INT.
4699 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4700 array index.
4701 (really_start_incremental_init): No need to call convert because
4702 bitsize_zero_node is already of type bitsizetype.
4703 (push_init_level): Extract the value of constructor_index as an
4704 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4705 (process_init_element): Likewise.
4707 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4709 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4710 value before passing to make_relative_prefix.
4712 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4714 PR middle-end/27260
4715 * builtins.c (expand_builtin_memset): Expand val in original mode.
4717 2006-04-27 Eric Christopher <echristo@apple.com>
4719 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4720 with #ifndef/#endif.
4721 * config/darwin-c.c (darwin_ms_struct): New.
4722 (darwin_pragma_ms_struct): Ditto.
4723 (darwin_set_default_type_attributes): Ditto.
4724 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4725 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4726 Register ms_struct pragma.
4727 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4728 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4729 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4730 darwin_set_default_type_attributes if TARGET_MACHO.
4732 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4734 PR tree-optimization/26854
4735 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4736 * doc/tree-ssa.texi: Update immuse iterator documentation.
4737 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4738 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4739 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4740 first_safe_imm_use, next_safe_imm_use): Remove.
4741 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4742 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4743 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4744 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4745 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4746 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4747 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4748 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4749 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4750 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4751 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4752 (perfect_nestify): Use new iterator.
4753 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4754 iterator.
4755 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4756 (next_imm_name): New field in struct immediate_use_iterator_d.
4757 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4758 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4759 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4760 * tree-cfg.c (replace_uses_by): Use new iterator.
4761 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4762 * tree-ssa-operands.c (correct_use_link): Remove.
4763 (finalize_ssa_use_ops): No longer call correct_use_link.
4765 2006-04-27 Stuart Hastings <stuart@apple.com>
4767 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4768 * config/t-darwin (crt3.o): Use it.
4769 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4770 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4771 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4772 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4773 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4774 support.
4776 2006-04-27 Roger Sayle <roger@eyesopen.com>
4778 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4779 size, force the intermediate into a new pseudo rather instead of
4780 performing both a bitwise AND and a bitwise IOR in memory.
4782 2006-04-27 Richard Guenther <rguenther@suse.de>
4784 PR rtl-optimization/26685
4785 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4786 this one "max-flow-memory-locations".
4788 2006-04-27 Richard Guenther <rguenther@suse.de>
4790 PR tree-optimization/25148
4791 * tree-vrp.c (compare_values): Remove code dealing with
4792 comparisons against type min/max value. Honour overflow
4793 and negative constants in code dealing with comparisons
4794 of plus and minus expressions.
4795 (value_inside_range): Use fold_binary with LE_EXPR and
4796 GE_EXPR rather than compare_values.
4798 2006-04-27 Dirk Mueller <dmueller@suse.de>
4800 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4801 prototype for SSE.
4803 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4805 * basic-block.h (safe_insert_insn_on_edge): Removed.
4806 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4808 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4809 Paolo Bonzini <bonzini@gnu.org>
4811 PR middle-end/27282
4812 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4813 (simplify_and_const_int): Same.
4815 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4817 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4819 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4821 PR c/26171
4822 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4823 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4824 cgraph_global_info_ready.
4826 PR middle-end/26913
4827 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4829 PR c/25996
4830 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4831 either decl or init is error_mark_node.
4833 PR middle-end/25989
4834 * tree-flow.h (struct omp_region): Add sched_kind.
4835 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4836 instead of extracting omp for data.
4837 (expand_omp_for): Save extracted sched_kind.
4839 2006-04-25 Roger Sayle <roger@eyesopen.com>
4841 * expmed.c (store_bit_field): Also check whether the bitsize is
4842 valid for the machine's "insv" instruction before moving the
4843 target into a pseudo for use with the insv.
4844 * config/i386/predicates.md (const8_operand): New predicate.
4845 * config/i386/i386.md (extv, extzv, insv): Use the new
4846 const8_operand predicate where appropriate.
4848 2006-04-25 DJ Delorie <dj@redhat.com>
4850 * doc/install.texi (Specific): Clarify that this is not a list of
4851 supported hosts or targets.
4853 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4855 PR rtl-optimization/26725
4856 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4857 block's BB_DIRTY flag.
4859 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4861 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4862 are no branches.
4864 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4865 to print an integer.
4867 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4869 * varasm.c (align_variable): New function.
4870 (get_block_for_decl): Apply align_variable to DECL before
4871 calculating section information.
4872 (assemble_variable): Split out alignment computation.
4874 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4876 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4877 machines.
4879 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4881 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4882 MODE_PARTIAL_INT mode.
4883 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4884 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4885 for CONST_INTs.
4886 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4887 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4888 V2PDImode.
4889 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4890 New predicates.
4891 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4892 New constants.
4893 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4894 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4895 MACFLAG_IH): Likewise.
4896 (movstricthi_1): Renamed from "*movstricthi".
4897 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4898 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4899 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4900 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4901 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4902 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4903 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4904 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4905 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4906 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4907 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4908 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4909 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4910 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4911 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4913 * doc/rtl.texi (ss_ashift): Improve wording.
4915 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4917 * dwarf2out.c (verify_marks_clear): New.
4918 (prune_unused_types): Call verify_marks_clear initially, not
4919 prune_unmark_dies.
4921 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4923 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4924 * doc/rtl.texi: Document them.
4925 * simplify-rtx.c (simplify_unary_operation,
4926 simplify_binary_operation_1): Don't abort when we see them.
4928 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4930 Revert:
4931 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4932 * configure.ac: Completely disregard languages that are not
4933 enabled.
4934 * configure: Regenerated.
4936 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4937 Richard Guenther <rguenther@suse.de>
4939 PR tree-optimization/27236
4940 * tree-inline.c (copy_body_r): Make sure to copy
4941 TREE_THIS_VOLATILE flag.
4943 2006-04-24 Richard Guenther <rguenther@suse.de>
4945 PR middle-end/26869
4946 * tree-complex.c (update_parameter_components): Don't handle
4947 unused parameters which have no default def.
4949 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4950 Richard Guenther <rguenther@suse.de>
4952 PR tree-optimization/27218
4953 * tree-inline.c (expand_call_inline): Strip useless type
4954 conversions for the return slot address.
4956 2006-04-24 Richard Guenther <rguenther@suse.de>
4958 * cfgloop.h (struct loops): Remove unused field array. Reorder
4959 state after num.
4960 (LOOP_PREFETCH): Remove.
4962 2006-04-24 Richard Guenther <rguenther@suse.de>
4964 PR tree-optimization/22525
4965 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4966 variable, adjust types of generated expressions.
4968 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4970 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4971 (tree-vect-patterns.o): Likewise.
4972 (jump.o): Likewise.
4973 (cselib.o): Likewise.
4974 (loop-doloop.o): Likewise.
4975 (regclass.o): Likewise.
4976 (reload1.o): Likewise.
4977 (explow.o): Replace target.h with $(TARGET_H).
4978 (ipa-prop.o): Likewise.
4979 (ipa-cp.o): Likewise.
4980 (ipa-inline.o): Likewise.
4981 (reorg.o): Likewise.
4982 (reg-stack.o): Likewise.
4984 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
4986 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
4988 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4990 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
4992 * configure.ac: Completely disregard languages that are not
4993 enabled.
4994 * configure: Regenerated.
4996 PR c++/26534
4997 * c-common.h (c_build_bitfield_integer_type): Declare.
4998 * c-decl.c (c_build_bitfield_integer_type): Move to ...
4999 * c-common.c (c_build_bitfield_integer_type): ... here.
5001 2006-04-23 Roger Sayle <roger@eyesopen.com>
5003 PR target/21283
5004 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5005 a SImode SUBREG of a floating point register after no_new_pseudos.
5007 2006-04-23 Roger Sayle <roger@eyesopen.com>
5009 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5010 identify potentially eliminable registers to additionally catch
5011 VIRTUAL_INCOMING_ARGS_REGNUM.
5012 (addsi3): Update the conditions on when to use addsi_small_int.
5014 2006-04-23 Roger Sayle <roger@eyesopen.com>
5016 PR target/16641
5017 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5018 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5019 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5021 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5023 * fold-const.c (range_predecessor): Use operand_equal_p
5024 as the predicate for equality.
5025 (range_successor): Likewise.
5027 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5029 Revert:
5030 * config/soft-fp/op-common.h: Fix a typo.
5032 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5034 PR libmudflap/26864
5035 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5036 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5038 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5040 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5041 Fix comment typos.
5042 * doc/tm.texi: Fix a typo.
5044 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5046 * dwarf2out.c (struct die_struct): Document that die_sib makes
5047 a circular linked list.
5048 (FOR_EACH_CHILD): New.
5049 (reverse_die_lists): Delete.
5050 (reverse_all_dies): Delete.
5051 (add_dwarf_attr): Correct documentation.
5052 (remove_child_with_prev): New.
5053 (remove_child_TAG): Update for change to die_struct, use
5054 remove_child_with_prev.
5055 (add_child_die): Update for change to die_struct.
5056 (splice_child_die): Use remove_child_with_prev and add_child_die.
5057 (print_die): Use FOR_EACH_CHILD.
5058 (die_checksum): Likewise.
5059 (assign_symbol_names): Likewise.
5060 (output_location_lists): Likewise.
5061 (build_abbrev_table): Likewise.
5062 (calc_die_sizes): Likewise.
5063 (mark_dies): Likewise.
5064 (unmark_dies): Likewise.
5065 (unmark_all_dies): Likewise.
5066 (output_die): Likewise.
5067 (prune_unused_types_mark): Likewise.
5068 (prune_unused_types_walk): Likewise.
5069 (same_die_p): Update for change to die_struct.
5070 (break_out_includes): Likewise.
5071 (prune_unused_types_prune): Likewise.
5072 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5073 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5074 it's already clear.
5075 (dwarf2out_finish): Don't call reverse_all_dies.
5077 2006-04-21 Eric Christopher <echristo@apple.com>
5079 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5080 in comments and function names.
5082 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5084 PR c/25875
5085 * c-typeck.c (digest_init): Robustify.
5087 * c-typeck.c (pop_init_level): Simplify.
5089 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5091 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5093 2006-04-21 Paul Brook <paul@codesourcery.com>
5095 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5096 hardware floating point.
5098 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5100 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5101 NON_FLOAT_REGS.
5103 2006-04-21 Nick Clifton <nickc@redhat.com>
5105 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5106 OPT_EXTRA_PARTS.
5108 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5110 PR target/27230
5111 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5112 C++ lang type in traceback table for Objective-C++.
5114 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5116 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5118 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5120 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5122 PR mudflap/26789
5123 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5124 were errors. Remove check for erroneous objects.
5126 2006-04-20 Jeff Law <law@redhat.com>
5128 PR tree-optimization/26854
5129 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5130 checking for zero or one use.
5131 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5132 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5133 * tree-ssa-reassoc.c (negate_value): Similarly.
5134 (reassociate_bb): Similarly.
5136 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5138 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5139 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5140 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5142 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5144 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5145 fp regs if the last fp arg doesn't fit in regs.
5147 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5149 PR target/27182
5150 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5151 that the last insn has the REG_INC note.
5153 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5154 Nathan Sidwell <nathan@codesourcery.com>
5156 PR c/26774
5157 * stor-layout.c (update_alignment_for_field): Do not align
5158 ERROR_MARK nodes.
5159 (place_union_field): Place union field at the start of the union.
5160 (place_field): Move ERROR_MARK check later, and use the current
5161 allocation position to maintain monotonicity.
5163 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5165 * dominance.c: Include timevar.h.
5166 (calculate_dominance_info): Use TV_DOMINANCE.
5167 * timevar.def (TV_DOMINANCE): New timevar.
5168 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5170 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5172 PR rtl-optimization/14261
5173 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5174 move would be an INSV insn.
5175 (noce_process_if_block): Don't optimize if the destination is a
5176 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5178 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5180 * config/s390/s390.md: Add comments with the instructions emitted
5181 by an insn pattern if macros are used.
5183 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5185 PR rtl-optimization/26026
5186 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5187 is a known power of two shifted left a variable amount.
5189 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5191 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5192 to hash table twice when the debug_str section has SECTION_MERGE.
5194 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5196 * config/soft-fp: New directory. From glibc.
5197 * config/soft-fp/t-softfp: New.
5198 * config/soft-fp/README: New.
5199 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5200 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5201 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5202 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5203 * config.gcc: Use rs6000/t-fprules-fpbit or
5204 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5205 rs6000/t-fprules.
5206 * config/rs6000/sfp-machine.h: New. Based on glibc.
5207 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5208 New.
5209 * config/rs6000/t-fprules: Remove fp-bit rules.
5210 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5211 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5212 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5213 (softfp_wrap_start, softfp_wrap_end): New.
5215 2006-04-18 DJ Delorie <dj@redhat.com>
5217 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5219 2006-04-18 Devang Patel <dpatel@apple.com>
5221 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5223 2006-04-18 Nick Clifton <nickc@redhat.com>
5225 * config/sh/t-symbian: Add rule to build sh-c.o
5226 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5227 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5228 (sh_symbian_encode_section_info): Likewise.
5230 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5232 * builtins.c (expand_builtin_strcmp): Cover label definition of
5233 do_libcall with HAVE_cmpstrnsi.
5235 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5237 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5238 instead of VARRAY.
5239 * function.h (temp_slot_p): New.
5240 (function): Change the type of x_used_temp_slots to
5241 VEC(temp_slot_p,gc) *.
5243 2006-04-18 Nick Clifton <nickc@redhat.com>
5245 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5246 flag_strength_reduce.
5248 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5250 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5252 PR target/27117
5254 Partial revert of revision 112637
5255 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5256 Dale Johannesen <dalej@apple.com>
5258 PR target/19653
5259 * regclass.c (struct reg_pref): Update documentation.
5260 (regclass): Set prefclass to NO_REGS if memory is the best option.
5261 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5263 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5265 PR tree-optimization/26821
5266 * tree-ssa-math-opts.c (get_constant_one): New.
5267 (insert_reciprocals): Use it.
5269 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5271 * dwarf2out.c (free_AT): Delete.
5272 (remove_AT): Update string ref counts.
5273 (remove_child_TAG): Don't call free_die.
5274 (free_die): Delete.
5275 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5276 or DW_TAG_GNU_EINCL.
5277 (prune_unused_types_walk_attribs): Reset string refcounts.
5278 (prune_unused_types_update_strings): New.
5279 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5280 call free_die. Do call prune_unused_types_update_strings.
5281 (prune_unused_types): Empty debug_str_hash.
5283 2006-04-17 Roger Sayle <roger@eyesopen.com>
5285 * expr.c (expand_assignment): Optimize away no-op moves where the
5286 source and destination are equal and have no side-effects.
5288 2006-04-17 Richard Guenther <rguenther@suse.de>
5290 PR target/26826
5291 * reload.c (push_reload): Guard calls to get_secondary_mem
5292 for memory subregs.
5294 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5296 * alias.c (reg_base_value, old_reg_base_value): Change the
5297 type to VEC(rtx,gc) *.
5298 (REG_BASE_VALUE, find_base_value, record_set,
5299 init_alias_analysis): Use VEC instead of VARRAY.
5301 * alias.c (alias_sets): Change the type to
5302 VEC(alias_set_entry,gc) *.
5303 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5304 VEC instead of VARRAY.
5305 (last_alias_set): Remove.
5307 * cgraph.h (cgraph_edge_p): New.
5308 Update the prototype of cgraph_function_versioning.
5309 * cgraphunit.c (cgraph_copy_node_for_versioning,
5310 cgraph_function_versioning): Use VEC instead of VARRAY.
5311 * ipa-cp.c (ipcp_insert_stage): Likewise.
5313 2006-04-16 Roger Sayle <roger@eyesopen.com>
5315 PR target/26961
5316 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5317 "A op B" or "A op C", we may need to convert A to the type of B and C.
5319 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5321 * target.h (struct gcc_target): Add mode_rep_extended.
5322 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5323 (init_num_sign_bit_copies_in_rep): Initialize it using
5324 mode_rep_extended.
5325 (truncate_to_mode): Use it.
5326 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5327 * targhooks.h (default_mode_rep_extended): Declare it.
5328 * targhooks.c (default_mode_rep_extended): Define it.
5329 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5330 default_mode_rep_extended.
5331 (TARGET_INITIALIZER): Include it.
5332 * doc/tm.texi (Misc): Document it.
5333 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5334 (mips_truncated_to_mode): New function.
5336 2006-04-16 Roger Sayle <roger@eyesopen.com>
5338 PR middle-end/25474
5339 * expr.c (compress_float_constant): Copy the narrow constant into
5340 a new pseudo before extending it to its final width.
5342 2006-04-16 Roger Sayle <roger@eyesopen.com>
5343 Andrew Pinski <pinskia@gcc.gnu.org>
5344 Dale Johannesen <dalej@apple.com>
5346 PR target/24076
5347 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5348 special case code to implement V8HImode and V16QImode with SSE2.
5350 2006-04-15 Roger Sayle <roger@eyesopen.com>
5352 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5353 trees are constructed with a suitable tree type.
5355 2006-04-15 Roger Sayle <roger@eyesopen.com>
5357 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5358 (integer_onep): Likewise.
5359 (integer_all_onesp): Likewise.
5360 (integer_pow2p): Likewise.
5361 (integer_nonzerop): Likewise.
5362 (real_zerop): Likewise.
5363 (real_onep): Likewise.
5364 (real_twop): Likewise.
5365 (real_minus_onep): Likewise.
5366 (int_size_in_bytes): Likewise.
5367 (host_integerp): Likewise.
5369 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5371 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5372 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5373 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5375 * tree-ssa-structalias.h (alias_info): Remove num_references.
5377 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5379 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5380 (output_bvb patterns): Likewise.
5381 * pa.c (output_bb): Use 'bb' insn for long branch case.
5382 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5383 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5384 1. Correct length operand for alternatives 1 and 2.
5385 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5386 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5388 2006-04-14 Roger Sayle <roger@eyesopen.com>
5390 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5391 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5392 were accidentally reverted by r112959.
5394 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5396 PR middle-end/26823
5397 * except.h (eh_region_outermost): New prototype.
5398 * except.c (eh_region_outermost): New function.
5399 * tree-cfg.c (find_outermost_region_in_block): Use it.
5401 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5403 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5404 of VARRAY.
5405 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5406 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5407 (init_reload, reload): Use VEC instead of VARRAY.
5408 * reload.h: Update the prototype for
5409 reg_equiv_memory_loc_varray.
5411 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5412 Eric Botcazou <ebotcazou@libertysurf.fr>
5414 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5415 register save area.
5417 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5419 PR middle-end/27134
5420 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5421 to expand fallback builtin function call.
5423 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5425 PR middle-end/27095
5426 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5427 and emit libcall here in case the builtin fails.
5428 (expand_builtin_strcmp): Always emit the libcall here on failure.
5430 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5432 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5433 * flow.c (reg_n_info): Change the type to
5434 VEC(reg_info_p,heap) *.
5435 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5436 instead of VARRAY.
5437 * regs.h (reg_info_p): New.
5438 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5439 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5440 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5441 instead of VARRAY.
5443 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5445 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5446 defaulting to 100.
5447 * params.h (MAX_SCHED_READY_INSNS): New macro.
5448 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5449 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5450 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5451 the ready list for 1 cycle during the first scheduling pass.
5452 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5454 2006-04-13 Richard Henderson <rth@redhat.com>
5456 PR libgomp/26651
5457 * gimple-low.c (lower_omp_directive): Remove dead code.
5458 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5459 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5460 * omp-low.c (struct omp_region): Move to tree-flow.h.
5461 (root_omp_region): Export.
5462 (omp_regions, lookup_omp_region): Remove.
5463 (determine_parallel_type): Update for struct omp_region changes.
5464 (dump_omp_region): Dump regions with block numbers.
5465 (new_omp_region): Take type and block instead of stmt; malloc
5466 instead of ggc.
5467 (free_omp_region_1, free_omp_regions): New.
5468 (expand_parallel_call): Take entry_stmt as argument; update for
5469 changes to omp_region.
5470 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5471 (remove_exit_barriers): New.
5472 (expand_omp_parallel): Update for struct omp_region changes.
5473 (expand_omp_synch): Likewise.
5474 (expand_omp): Likewise.
5475 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5476 (expand_omp_for_static_chunk): Likewise.
5477 (expand_omp_for): Likewise.
5478 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5479 (expand_omp_sections): Similarly, with GOMP_sections_end.
5480 (expand_omp_single): New.
5481 (build_omp_regions_1): Update for OMP_CONTINUE.
5482 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5483 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5484 OMP_SECTIONS_SECTIONS.
5485 (lower_omp_single_simple): Don't emit barrier here.
5486 (lower_omp_single_copy): Likewise.
5487 (lower_omp_single): Fix bindings, and lower to straightline now.
5488 (lower_omp_master, lower_omp_ordered): Likewise.
5489 (lower_omp_critical): Likewise.
5490 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5491 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5492 omp edges, free it afterward.
5493 (make_omp_sections_edges): Remove.
5494 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5495 (move_stmt_r): Handle OMP_CONTINUE.
5496 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5497 statement pointers to basic blocks. Add type member.
5498 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5499 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5500 * tree-inline.c (estimate_num_insns_1): Likewise.
5501 * tree-pretty-print.c (dump_generic_node): Likewise.
5502 * tree-ssa-operands.c (get_expr_operands): Likewise.
5503 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5504 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5505 (OMP_CONTINUE): New.
5506 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5507 (OMP_SECTIONS_SECTIONS): Remove.
5508 (OMP_SECTION_LAST): New.
5509 (OMP_RETURN_NOWAIT): New.
5511 2006-04-13 Roger Sayle <roger@eyesopen.com>
5513 * fold-const.c (native_encode_vector, native_interpret_real):
5514 Correct obvious mistakes in the previous check-in.
5516 2006-04-13 Roger Sayle <roger@eyesopen.com>
5518 * fold-const.c (native_encode_expr): New function to encode
5519 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5520 or VECTOR_CST into a specified buffer.
5521 (native_encode_int): New function.
5522 (native_encode_real): New function.
5523 (native_encode_complex): New function.
5524 (native_encode_vector): New function.
5525 (native_interpret_expr): Inverse of native_encode_expr to convert
5526 a target representation into an INTEGER_CST, REAL_CST etc...
5527 (native_interpret_int): New function.
5528 (native_interpret_real): New function.
5529 (native_interpret_complex): New function.
5530 (native_interpret_vector): New function.
5531 (fold_view_convert_expr): New function to constant fold/evaluate
5532 a VIEW_CONVERT_EXPR of a suitable constant expression.
5533 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5534 Change call of build1 to fold_build1 when constructing a
5535 VIEW_CONVERT_EXPR.
5537 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5538 Ulrich Weigand <uweigand@de.ibm.com>
5540 PR target/27006
5541 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5542 to be even.
5544 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5546 PR target/26459
5547 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5548 optimize to lo_sum for DFmode if !TARGET_FPRS.
5550 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5552 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5553 delete_alias_info, compute_flow_sensitive_aliasing,
5554 group_aliases): Use VEC instead of VARRAY.
5555 * tree-ssa-structalias.c (update_alias_info): Likewise.
5556 * tree-ssa-structalias.h (alias_info): Change the type of
5557 processed_ptrs to VEC(tree,heap) *.
5559 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5561 PR target/27060
5562 * config/sh/lib1funcs.h: New file, broken out of:
5563 * config/sh/lib1funcs.asm.
5564 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5565 New macros.
5566 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5567 * config/sh/lib1funcs-Os-4-200.asm: New file.
5568 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5569 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5570 (EXTRA_MULTILIB_PARTS): Include it.
5571 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5572 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5573 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5574 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5575 TARGET_SH2.
5577 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5579 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5580 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5581 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5582 VARRAY.
5583 * tree-ssa-live.h: Include vecprim.h.
5584 (tree_partition_associator_d): Change the type of
5585 first_partition to VEC(int,heap) *.
5586 (tpa_first_partition): Use VEC instead of VARRAY.
5588 * Makefile.in (GTFILES): Move functions.h after tree.h.
5589 * function.c (reset_block_changes, record_block_change,
5590 check_block_change, free_block_changes): Use VEC instead of
5591 VARRAY.
5592 * function.h (function): Change the type of
5593 ib_boundaries_block to VEC(tree,gc) *.
5594 * tree-inline.c (copy_cfg_body): Initialize
5595 ib_boundaries_block to NULL instead of (varray_type) 0.
5597 2006-04-12 Roger Sayle <roger@eyesopen.com>
5599 * expr.c (emit_group_store): Correct operand order in call to
5600 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5601 a SUBREG_BYTE of zero.
5603 2006-04-12 Richard Guenther <rguenther@suse.de>
5605 * profile.c (compute_branch_probabilities): Remove code
5606 encapsulated in !ir_type (), which are remanents of the
5607 removed RTL profiling code.
5608 * rtl-profile.c: Remove.
5610 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5612 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5613 magic NULL_RTX comment.
5614 (function_arg): Store entire fp arg to mem if any part should go
5615 on stack.
5616 (rs6000_arg_partial_bytes): Adjust for above change.
5618 2006-04-11 Roger Sayle <roger@eyesopen.com>
5620 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5621 if it hasn't been initialized by dwarf2out_init.
5623 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5625 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5626 symbolic constants in branch patterns.
5628 2006-04-11 Roger Sayle <roger@eyesopen.com>
5630 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5632 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5634 PR rtl-optimization/27073
5635 * gcse.c (try_replace_reg): Revert last change. Continue to search
5636 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5637 on the former.
5639 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5641 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5642 aggregate types other than record and union types.
5643 (function_arg): Likewise.
5644 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5645 small arrays.
5646 (function_value): In 64-bit mode, return objects that require it
5647 in FP registers.
5649 2006-04-11 Roger Sayle <roger@eyesopen.com>
5651 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5653 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5655 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5657 2006-04-03 Jeff Law <law@redhat.com>
5659 PR/27087
5660 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5661 alias information too.
5663 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5665 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5667 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5669 PR/21391
5670 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5671 (premark_used_types_helper): New.
5672 (premark_used_types): New.
5673 (gen_subprogram_die): Call premark_used_types.
5674 (prune_unused_types_walk): Do not prune perennial dies.
5675 * function.c (used_types_insert): New.
5676 * function.h (struct function): Add used_types_hash field.
5677 (used_types_insert): Add prototype.
5678 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5679 * c-parser.c (c_parser_cast_expression): Save casted types in used
5680 types hash table.
5682 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5684 PR target/26459
5685 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5686 rs6000_explicit_options.float_gprs.
5688 2006-04-10 Roger Sayle <roger@eyesopen.com>
5690 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5691 from ix86_expand_vector_init_low_nonzero. Take an additional
5692 one_var argument indicating which element is non-zero. Support
5693 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5694 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5695 with one_var instead of ix86_expand_vector_init_low_nonzero.
5697 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5699 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5700 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5701 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5702 build/genextract.o): Depend on vecprim.h.
5703 * cfglayout.c, df-problems.c, function.c, genextract.c,
5704 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5705 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5706 vecprim.h.
5707 * vecprim.h: New.
5709 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5711 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5712 Declare VECs of this type.
5713 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5714 (remove_children): Delete.
5715 (add_dwarf_attr): Use VEC routines.
5716 (add_AT_flag): Update for changes to add_dwarf_attr.
5717 (add_AT_int): Likewise.
5718 (add_AT_unsigned): Likewise.
5719 (add_AT_long_long): Likewise.
5720 (add_AT_vec): Likewise.
5721 (add_AT_string): Likewise.
5722 (add_AT_die_ref): Likewise.
5723 (add_AT_fde_ref): Likewise.
5724 (add_AT_loc): Likewise.
5725 (add_AT_loc_list): Likewise.
5726 (add_AT_addr): Likewise.
5727 (add_AT_lbl_id): Likewise.
5728 (add_AT_lineptr): Likewise.
5729 (add_AT_macptr): Likewise.
5730 (add_AT_offset): Likewise.
5731 (add_AT_range_list): Likewise.
5732 (get_AT): Use VEC_iterate.
5733 (remove_AT): Use VEC_ordered_remove.
5734 (free_die): Fold remove_children into here; have it use VEC_iterate.
5735 (print_die): Use VEC_iterate on attrs.
5736 (reverse_die_lists): Don't reverse attr lists.
5737 (die_checksum): Use VEC_iterate on attrs.
5738 (same_die_p): Likewise.
5739 (output_location_lists): Likewise.
5740 (build_abbrev_table): Likewise.
5741 (size_of_die): Likewise.
5742 (unmark_all_dies): Likewise.
5743 (output_abbrev_section): Likewise.
5744 (output_die): Likewise.
5745 (prune_unused_types_walk_attribs): Likewise.
5747 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5749 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5751 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5753 PR debug/27057
5754 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5756 2006-04-09 Roger Sayle <roger@eyesopen.com>
5758 * expr.c (store_constructor): Don't bother clearing target if
5759 we're about to assign a vector to it using vec_init_optab.
5761 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5763 * tree-ssa-alias.c (lhs_may_store_to): New function.
5764 (recalculate_used_alone): Handle LHS of calls.
5766 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5768 PR target/27034
5769 PR target/26508
5770 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5771 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5772 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5773 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5774 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5775 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5776 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5777 stubs. Add ".align 8" directives before all ".dword" directives.
5778 (GTHREAD_USE_WEAK): Revise comment.
5779 (TARGET_ATTRIBUTE_WEAK): Define.
5780 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5781 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5782 * stublib.c: New file.
5784 PR target/26743
5785 PR target/11254
5786 PR target/10274
5787 * pa.md (cbranch patterns): Revise arguments used in calls to
5788 output_cbranch, output_bb and output_bvd. Add long branch length
5789 attributes.
5790 (fbranch patterns): Handle long branches.
5791 (jump): Revise length check. Revise arguments for output_lbranch call.
5792 Add long branch length attributes.
5793 (decrement_and_branch_until_zero): Add long branch length attributes.
5794 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5795 Likewise. Revise arguments for output_parallel_addb and
5796 output_parallel_movb calls.
5797 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5798 output_parallel_movb and output_parallel_addb): Update prototypes.
5799 * pa.c (output_cbranch): Revise arguments. Correct handling of
5800 nullification in long branches.
5801 (output_lbranch): Add new argument to control extraction of delay
5802 instruction.
5803 (output_bb): Handle long branches.
5804 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5805 output_parallel_addb): Likewise.
5807 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5809 PR rtl-optimization/27073
5810 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5811 not REG_EQUIVs.
5813 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5815 * tree.h (tree_memory_tag): Add old_used_alone.
5816 (SMT_OLD_USED_ALONE): New macro.
5817 * tree-ssa-alias.c (recalculate_used_alone): Stop
5818 marking things for renaming unnecessarily.
5820 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5822 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5823 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5824 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5825 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5826 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5827 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5828 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5829 spelling convensions.
5830 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5831 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5832 typos. Follow spelling conventions.
5834 2006-04-07 DJ Delorie <dj@redhat.com>
5836 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5837 passed on the stack.
5838 (m32c_init_cumulative_args): When a function returns a structure,
5839 always pass the pointer to that return area on the stack.
5840 (m32c_function_arg_advance): Don't increment the parameter number
5841 if we're processing the returned structure pointer.
5842 (pushm_info): Reverse order of registers.
5844 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5846 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5847 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5848 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5849 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5850 build_int_cst_type.
5851 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5852 chrec_fold_multiply): Same.
5853 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5854 force_expr_to_var_cost): Same.
5855 * tree-mudflap.c (mf_xform_derefs_1): Same.
5856 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5858 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5860 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5861 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5862 insn.
5864 2006-04-07 Jan Hubicka <jh@suse.cz>
5866 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5868 2006-04-07 Richard Guenther <rguenther@suse.de>
5870 PR tree-optimization/26135
5871 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5872 loads for store copy-prop.
5873 (copy_prop_visit_stmt): Likewise.
5875 2006-04-05 Robert Millan <robertmh@gnu.org>
5877 * config/i386/linux.h: Add a comment to mark macros that are
5878 being overriden in config/k*bsd-gnu.h.
5879 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5880 DYNAMIC_LINKER.
5881 * config/knetbsd-gnu.h: Ditto.
5883 2006-04-06 Jan Hubicka <jh@suse.cz>
5885 PR profile/20815
5886 PR profile/26399
5887 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5888 after buffer.
5890 2006-04-06 Mike Stump <mrs@apple.com>
5892 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5893 for HAVE_nonlocal_goto to be consistent.
5894 (expand_builtin_nonlocal_goto): Likewise.
5895 (expand_builtin_strcmp): Use #ifdef instead of #if
5896 for HAVE_cmpstrnsi to be consistent.
5898 2006-04-05 DJ Delorie <dj@redhat.com>
5900 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5901 vs m32c.
5903 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5905 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5906 got-relative addressing for anything but SImode.
5908 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5909 even if the calling function doesn't modify them.
5911 2006-04-05 Richard Guenther <rguenther@suse.de>
5913 PR tree-optimization/26919
5914 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5915 to cgraph_estimate_size_after_inlining.
5917 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5919 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5921 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5923 PR tree-optimization/26996
5924 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5925 VECTOR_TYPE variables.
5927 2006-04-05 Richard Guenther <rguenther@suse.de>
5929 PR tree-optimization/26763
5930 * fold-const.c (fold_comparison): Move folding of
5931 PTR + CST CMP PTR + CST ...
5932 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5934 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5936 * doc/install.texi (Prerequisites): Refine some wording on
5937 bootstrapping and ksh.
5938 Move the version numbers of DejaGnu here from the testing section
5939 and fix casing of names.
5940 Fix markup and clarify wording for autogen requirements.
5941 Refer to GCJ instead of just java.
5942 Refer to SVN instead of CVS.
5943 Describe diffutils as useful instead of necessary.
5944 (Downloading the source): Refer to SVN instead of CVS.
5945 Adjust a link to our web site accordingly.
5946 (Configuration): Fix casing of Bison.
5947 (Building): Refer to SVN instead of CVS.
5948 Fix a sentence on the use of Bison and remove duplicate (and
5949 incorrect) version number of Bison requirement.
5950 Remove one redundant list of packages needed for building.
5951 (Specific): Avoid reference to CVS.
5953 2006-04-04 Eric Christopher <echristo@apple.com>
5955 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5956 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5957 (rs6000_handle_struct_attribute): New.
5958 (rs6000_ms_bitfield_layout_p): Ditto.
5960 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5962 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5963 NULL for dso parameter to atexit_common.
5965 2006-04-04 Eric Christopher <echristo@apple.com>
5967 * config/i386/i386.c (machopic_output_stub): Output \t
5968 between instructions and operands.
5970 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5972 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
5973 satisfies_constraint_[IL] to explicit tests on value.
5975 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
5977 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5978 set_nb_iterations_in_loop): Use build_int_cst instead of
5979 build_int_cst_type.
5980 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
5981 build_int_cst instead of convert.
5983 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
5985 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
5986 new value 2 for incoming.
5987 * function.c (expand_function_start): Call struct_value_rtx
5988 with incoming as 2.
5989 * config/sparc/sparc.md: Comment updated_return.
5990 * config/sparc/sparc.opt: Add -mstd-struct-return option.
5991 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
5992 struct return if sparc_std_struct_return and incoming is 2.
5993 (print_operand): Do not adjust return if
5994 sparc_std_struct_return.
5996 2006-04-04 Roger Sayle <roger@eyesopen.com>
5998 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
5999 convert in the middle-end.
6000 * expr.c (store_expr, store_constructor, get_inner_reference,
6001 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6002 Likewise.
6003 * tree.c (build_range_type): Likewise.
6005 2006-04-04 Tom Tromey <tromey@redhat.com>
6007 * doc/install.texi (Prerequisites): Mention jar.
6009 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6011 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6012 subsection.
6014 2006-04-04 Matthias Klose <doko@debian.org>
6016 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6017 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6018 strings.
6020 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6022 * doc/extend.texi (Function Attributes): Rewrite visibility
6023 attribute documentation.
6024 * doc/invoke.texi (C++ Dialect Options): Rewrite
6025 -fvisibility-inlines-hidden documentation to describe something
6026 entirely different, although in practise compatible.
6027 (Code Gen Options): Warn about system headers in -fvisibility=
6028 documentation.
6030 * doc/extend.texi (Other Builtins): Document that
6031 __builtin_nan is a compile-time constant only when its argument
6032 is valid.
6034 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6036 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6037 trying to remove TRUNCATE check if all bits outside the new mode
6038 are identical to the sign bit.
6040 2006-04-03 Jeff Law <law@redhat.com>
6042 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6043 and operand scanning in some common cases.
6045 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6046 Dale Johannesen <dalej@apple.com>
6048 PR target/19653
6049 * regclass.c (struct reg_pref): Update documentation.
6050 (regclass): Set prefclass to NO_REGS if memory is the best option.
6051 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6052 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6053 into account. For non-registers, equate an empty preferred
6054 reload class to a `!' in the constraint; move the if clause to
6055 do so after those that reject the insn.
6056 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6057 return NO_REGS.
6058 (find_dummy_reload): Likewise.
6059 * doc/tm.texi (Register Classes): Document what it means
6060 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6061 * config/i386/i386.c (ix86_preferred_reload_class): Force
6062 using SSE registers (and return NO_REGS for floating-point
6063 constants) if math is done with SSE.
6064 (ix86_preferred_output_reload_class): New.
6065 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6066 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6067 * config/i386/i386.md: Remove # register preferences.
6069 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6071 PR bootstrap/26992
6072 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6073 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6074 the type of nb_iter.
6075 (instantiate_parameters_1): Convert the operands before calling
6076 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6077 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6079 2006-04-02 Roger Sayle <roger@eyesopen.com>
6081 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6082 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6083 instead of convert.
6084 * dojump.c (do_jump): Likewise.
6085 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6086 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6087 gimplify_boolean_expr): Likewise.
6088 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6089 * varasm.c (array_size_for_constructor): Likewise.
6090 * tree-object-size.c (compute_object_offset): Likewise.
6092 2006-04-02 Roger Sayle <roger@eyesopen.com>
6094 PR middle-end/26977
6095 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6096 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6098 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6100 PR tree-optimization/26939
6101 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6103 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6105 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6106 at_stmt. Convert the type of operands before calling
6107 build_polynomial_chrec.
6108 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6109 add_to_evolution_1.
6110 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6111 (instantiate_parameters_1): Convert the type of operands before calling
6112 build_polynomial_chrec.
6113 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6114 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6115 reset_evolution_in_loop): Insert asserts to check the types of the
6116 operands.
6117 (chrec_type): Moved...
6118 (eq_evolutions_p): Use operand_equal_p.
6119 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6120 the types of the operands.
6121 (chrec_type): ...here.
6122 * tree-data-ref.c (create_data_ref): Convert the operands before
6123 calling chrec_replace_initial_condition.
6124 (same_access_functions, analyze_subscript_affine_affine,
6125 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6126 (compute_subscript_distance, analyze_ziv_subscript,
6127 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6128 analyze_miv_subscript): Convert the operands before calling
6129 chrec_fold_minus or chrec_fold_plus.
6131 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6133 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6134 the dependence_relations vector.
6135 (compute_data_dependences_for_loop): Adjust call to
6136 compute_all_dependences.
6138 2006-04-01 Roger Sayle <roger@eyesopen.com>
6139 Richard Henderson <rth@redhat.com>
6141 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6142 gimple_boolify on the condition before calling gimplify_expr.
6144 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6146 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6147 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6148 the frame size. Update to use the new macros.
6149 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6150 * config/xtensa/ieee754-df.S: Likewise.
6152 2006-03-31 Richard Henderson <rth@redhat.com>
6154 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6155 (make_edges): ... here. Control fallthru creation with a local
6156 variable. Do not play with fake edges.
6157 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6158 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6159 a boolean.
6161 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6163 * dwarf2.h (DW64_CIE_ID): Define.
6164 * dwarf2out.c (DWARF_CIE_ID): Define.
6165 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6166 length header. Use DWARF_CIE_ID.
6167 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6168 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6170 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6172 * config/sh/linux-atomic.asm: New file.
6173 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6175 2006-03-31 DJ Delorie <dj@redhat.com>
6177 * config/m32c/cond.md: Set condition flags properly throughout.
6178 * config/m32c/minmax.md: Likewise.
6179 * config/m32c/prologue.md: Likewise.
6180 * config/m32c/bitops.md: Likewise.
6181 * config/m32c/muldiv.md: Likewise.
6182 * config/m32c/mov.md: Likewise.
6183 * config/m32c/addsub.md: Likewise.
6184 * config/m32c/m32c.md: Likewise.
6185 * config/m32c/jump.md: Likewise.
6186 * config/m32c/shift.md: Likewise.
6188 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6189 conditionally output the pattern for this.
6190 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6191 (m32c_compare_redundant): New.
6192 (m32c_output_compare): New.
6193 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6195 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6196 dest, not src. Allow other 4-byte modes.
6198 2006-03-30 Denis Chertykov <denisc@overta.ru>
6200 * doc/md.texi: Refer to avr/constraints.md instead of
6201 avr/avr.h.
6203 2006-03-30 Roger Sayle <roger@eyesopen.com>
6205 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6206 signed vs. unsigned comparison failures on some hosts.
6208 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6210 PR target/26459
6211 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6212 change to FLOAT_REGS.
6214 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6215 (rs6000_override_options): Use it.
6216 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6217 only for -mabi=spe/no-spe and -mabi=altivec.
6219 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6221 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6222 !Zdynamiclib.
6224 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6226 * Makefile.in: Rename docdir to gcc_docdir.
6228 2006-03-30 Roger Sayle <roger@eyesopen.com>
6230 PR target/17959
6231 * expr.c (emit_group_store): Optimize group stores into a pseudo
6232 register by using a paradoxical subreg to initialize the destination
6233 if the first or last member of the group specifies a "low part".
6235 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6237 PR target/26734
6238 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6239 * target.h (struct gcc_target.speculate_insn): Change type of the
6240 second parameter to 'int'.
6241 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6242 the second operand of the DEPS_LIST.
6243 (copy_DEPS_LIST_list): Update reference to the second operand of the
6244 DEPS_LIST.
6245 * rtl.h (alloc_DEPS_LIST): Update signature.
6246 * sched-int.h (ds_t): Change typedef to 'int'.
6247 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6249 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6251 * haifa-sched.c (try_ready): Change condition to restore
6252 non-speculative pattern of the instruction.
6253 (process_insn_depend_be_in_spec): Code to keep probability of the
6254 speculative dependence non-decreasing.
6256 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6258 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6259 (single_move_for_movmem): ... this. Also change all uses.
6260 (bfin_expand_strmov): Renamed to...
6261 (bfin_expand_movmem): ... this. Also change all uses.
6262 * config/bfin/bfin.md (movstrsi): Renamed to...
6263 (movstrsi): ...this.
6265 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6267 PR tree-optimization/26830
6269 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6270 (copy_prop_visit_stmt): Remove write-only variable ann.
6271 (init_copy_prop): Check variable loop depth here. Do not simulate
6272 memory-tag and virtual operand PHIs except for store copy prop.
6274 2006-03-30 Richard Guenther <rguenther@suse.de>
6276 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6277 variants with double arguments.
6279 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6281 * genpreds.c (write_tm_constrs_h): Delete variable p.
6282 * genconditions.c (write_header): Add tm-constrs.h to included
6283 headers.
6284 * genpeep.c (main): Add toplev.h to included headers.
6285 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6286 (build/genpeep.o): Add toplev.h dependency.
6287 * config/rs6000/constraints.md: Add "W" constraint.
6289 2006-03-29 Roger Sayle <roger@eyesopen.com>
6291 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6292 sizes by correctly testing whether the size fits a host integer.
6293 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6294 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6295 SImode range for the default sizetype and bitsizetype.
6297 2006-03-29 Roger Sayle <roger@eyesopen.com>
6299 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6300 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6301 quickly if the argument is already of the correct type.
6302 Call fold_build1 instead of build1. Tidy up blank lines.
6304 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6306 * genemit.c (main): Add tm-constrs.h to included headers.
6307 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6308 * genpeep.c (main): Add tm-constrs.h to included headers.
6309 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6310 (write_tm_constrs_h): this and write complete file.
6311 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6312 (write_insn_preds_c): Add tm-constrs.h to included headers.
6313 (gen_constrs): New variable.
6314 (parse_option): Parse "-c".
6315 (main): Invoke write_tm_constrs_h.
6316 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6317 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6318 (object_out_file): Add tm-constrs.h dependency.
6319 (insn-emit.o): Same.
6320 (insn-output.o): Same.
6321 (insn-peep.o): Same.
6322 (insn-preds.o): Same.
6323 (insn-recog.o): Same.
6324 (tm-constsr.h): New target.
6325 (s-constrs-h): New target.
6327 * config/rs6000/constraints.md: New file.
6328 * config/rs6000/rs6000.c: Include tm-constrs.h.
6329 (num_insn_constant_wide): Convert to satisfies_constraint.
6330 (rs6000_rtx_costs): Convert to satisfies_constraint.
6331 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6332 (CONST_OK_FOR_LETTER_P): Delete.
6333 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6334 (EXTRA_CONSTRAINT): Delete.
6335 (EXTRA_MEMORY_CONSTRAINT): Delete.
6336 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6337 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6338 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6339 satisfies_constraint.
6341 * config/i386/i386.c: Include tm-constrs.h.
6343 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6345 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6346 * tree-data-ref.c (find_data_references_in_loop,
6347 compute_data_dependences_for_loop): Use pointers to VEC.
6348 (analyze_all_data_dependences): Adjust calls.
6349 * tree-data-ref.h (find_data_references_in_loop,
6350 compute_data_dependences_for_loop): Adjust declarations.
6351 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6352 compute_data_dependences_for_loop.
6354 2006-03-29 Paul Brook <paul@codesourcery.com>
6356 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6357 (movdf_vfp): Ditto.
6359 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6361 PR tree-optimization/26859
6362 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6363 division by zero.
6364 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6365 for the step after fold_convert.
6367 2006-03-29 Paul Brook <paul@codesourcery.com>
6369 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6370 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6372 2006-03-29 Paul Brook <paul@codesourcery.com>
6374 PR middle-end/23623
6375 * targhooks.c (default_narrow_bitfield): New fuction.
6376 * targhooks.h (default_narrow_bitfield): add prototype.
6377 * target.h (gcc_target): Add narrow_volatile_bitfield.
6378 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6379 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6380 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6381 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6383 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6385 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6386 tmake_file.
6387 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6388 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6389 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6390 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6391 (s390_function_arg_float): Allow SDmode and DDmode values to be
6392 passed in floating point registers.
6393 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6394 check with SCALAR_FLOAT_MODE_P.
6395 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6397 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6399 PR tree-optimization/25985
6400 * tree-ssa-loop-niter.c (number_of_iterations_le,
6401 number_of_iterations_ne): Make comments more precise.
6402 (number_of_iterations_cond): Add only_exit argument. Use the
6403 fact that signed variables do not overflow only when only_exit
6404 is true.
6405 (loop_only_exit_p): New.
6406 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6407 number_of_iterations_cond.
6409 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6411 PR tree-optimization/26643
6412 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6413 bit_field_refs.
6415 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6417 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6418 (divsi3_i4_int): Likewise.
6420 2006-03-28 Roger Sayle <roger@eyesopen.com>
6422 * expr.c (emit_group_store): Only create a new pseudo reg if the
6423 quantity it needs to hold isn't already a suitable pseudo.
6425 2006-03-28 Jeff Law <law@redhat.com>
6427 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6428 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6430 2006-03-28 Roger Sayle <roger@eyesopen.com>
6432 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6433 the equivalent ~X & Y, and the symmetry related transformations.
6434 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6435 ~X & Y, and symmetry related transforms.
6437 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6439 Revert my 2006-03-27 patches.
6441 2006-03-28 Roger Sayle <roger@eyesopen.com>
6443 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6444 ~(T1)X, when T1 and T2 are integer types of the same precision
6445 and (T2)X isn't an extension.
6447 2006-03-28 Jeff Law <law@redhat.com>
6449 PR tree-optimization/26796
6450 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6451 need EH edge cleanups rather than purging them immediately.
6452 (eliminate_degenerate_phis): Handle queued EH cleanups.
6454 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6456 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6457 from parent_var.
6459 2006-03-27 Roger Sayle <roger@eyesopen.com>
6461 PR middle-end/22524
6462 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6463 cast BIT_NOT_EXPR operand to the correct type.
6465 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6467 * tree-loop-linear.c: Don't include varray.h.
6468 (gather_interchange_stats, try_interchange_loops,
6469 linear_transform_loops): Use VEC instead of VARRAY.
6470 * lambda-mat.c: Don't include varray.h.
6471 * tree-chrec.c: Same.
6472 * lambda-trans.c: Same.
6473 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6474 VEC instead of VARRAY.
6475 * tree-vectorizer.h: Idem.
6476 * tree-data-ref.c (dump_data_references,
6477 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6478 initialize_data_dependence_relation, finalize_ddr_dependent,
6479 compute_all_dependences, find_data_references_in_loop,
6480 compute_data_dependences_for_loop, analyze_all_data_dependences,
6481 free_dependence_relation, free_dependence_relations,
6482 free_data_refs): Idem.
6483 * tree-data-ref.h (data_reference_p, subscript_p): New.
6484 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6485 VEC instead of VARRAY.
6486 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6487 (find_data_references_in_loop, compute_data_dependences_for_loop,
6488 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6489 dump_data_dependence_relations, free_dependence_relations,
6490 free_data_refs): Adjust declaration.
6491 (lambda_transform_legal_p): Move declaration here...
6492 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6493 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6494 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6495 vect_analyze_data_refs): Use VEC instead of VARRAY.
6496 * lambda.h (lambda_transform_legal_p): ...from here.
6497 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6498 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6499 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6500 tree-chrec.o): Don't depend on VARRAY_H.
6502 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6504 * rtl.def (Copyright): Update date.
6505 (DEPS_LIST): Change type of the second operand to 'int'.
6506 * target.h (Copyright): Update date.
6507 (struct gcc_target.speculate_insn): Change type of the second parameter
6508 to 'int'.
6509 * lists.c (Copyright): Update date.
6510 (alloc_DEPS_LIST): Change signature. Update reference to the second
6511 operand of the DEPS_LIST.
6512 (copy_DEPS_LIST_list): Update reference to the second operand of the
6513 DEPS_LIST.
6514 * rtl.h (Copyright): Update date.
6515 (alloc_DEPS_LIST): Update signature.
6516 * sched-int.h (Copyright): Update date.
6517 (ds_t): Change typedef to 'int'.
6518 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6520 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6522 * haifa-sched.c (Copyright): Update date.
6523 (try_ready): Change condition to restore non-speculative pattern
6524 of the instruction.
6525 (process_insn_depend_be_in_spec): Code to keep probability of the
6526 speculative dependence non-decreasing.
6528 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6530 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6531 shut up the compiler.
6533 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6535 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6536 to use lib prefix for target.
6537 ($(T)libic_invalidate_array_4-200.a): Likewise.
6538 ($(T)libic_invalidate_array_4a.a): Likewise.
6540 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6541 J"orn Rennecke <joern.rennecke@st.com>
6543 * superh.opt: New file.
6544 * sh.c (boardtype, osruntime): Remove.
6545 * superh.h (SUBTARGET_OPTIONS): Remove.
6546 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6548 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6549 arguments with ^ and/or [].
6551 * config.gcc (sh-*-*): Add quoting to account for quirk of
6552 Solaris /bin/sh.
6553 Replace == with = in enable_incomplete_targets test.
6555 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6556 with MASK_LITTLE_ENDIAN.
6558 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6559 * config/sh/sh.opt: Added to some comments.
6560 * config/sh/superh.h: Removed some chaff.
6562 * config/sh/sh.opt: Add m4-[1234]00* options.
6563 * config/sh/sh.c (sh_handle_option): Likewise.
6564 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6565 (ic_invalidate_array_4-100.o): New rule.
6566 ($(T)libic_invalidate_array_4-100.a): Likewise.
6567 (ic_invalidate_array_4-200.o): Likewise.
6568 ($(T)libic_invalidate_array_4-200.a): Likewise.
6569 (ic_invalidate_array_4a.o): Likewise.
6570 ($(T)libic_invalidate_array_4a.a): Likewise.
6571 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6572 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6573 m4-200*, and m4a*.
6574 * config/sh/crt1.asm: Merged in profiling code.
6575 * config/sh/superh.h (STARTFILE_SPEC): Override.
6576 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6577 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6578 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6580 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6581 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6582 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6584 * sh.opt (mpretend-cmove): New option.
6585 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6586 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6587 (movsicc): Add TARGET_PRETEND_CMOVE code.
6589 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6591 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6592 s390_class_max_nregs): New function prototypes.
6593 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6594 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6595 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6596 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6598 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6600 * dwarf2out.c (add_location_or_const_value_attribute): Call
6601 tree_add_const_value_attribute if nothing else works.
6602 (reference_to_unused): New.
6603 (rtl_for_decl_init): Use reference_to_unused to decide whether
6604 to output an initializer.
6606 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6608 PR target/26459
6609 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6610 peephole removing spe frob_di_df_2.
6612 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6614 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6615 (subscript_dependence_tester_1): Declared.
6616 (print_dir_vectors, print_dist_vectors): New.
6617 (debug_data_dependence_relation): New.
6618 (dump_data_dependence_relation): Print more details.
6619 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6620 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6621 (save_dist_v, save_dir_v, add_outer_distances,
6622 build_classic_dist_vector_1): New.
6623 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6624 Don't test for lambda_vector_lexico_pos.
6625 (same_access_functions, add_multivariate_self_dist,
6626 add_other_self_distances, dir_from_dist): New.
6627 (build_classic_dir_vector): Replace implementation almost identical to
6628 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6629 dir_from_dist.
6630 (subscript_dependence_tester_1): New.
6631 (subscript_dependence_tester): Handle the lexicographically negative
6632 distance vectors by recomputing the dependence relation.
6633 (compute_affine_dependence): Remove parameter loop_nest_depth.
6634 (compute_self_dependence): Don't call compute_subscript_distance.
6635 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6636 Add a parameter for the loop_nest.
6637 (find_loop_nest_1, find_loop_nest): New.
6638 (compute_data_dependences_for_loop): Compute the loop nest, and give
6639 up if the nest is not well formed.
6640 * tree-data-ref.h (loop_p): New.
6641 (struct data_dependence_relation): Replace size_vect field with
6642 loop_nest, a vec of loops.
6643 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6644 (DDR_LOOP_NEST): New.
6645 (print_dir_vectors, print_dist_vectors,
6646 debug_data_dependence_relation): Declared.
6647 (index_in_loop_nest): New.
6648 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6649 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6650 distance.
6652 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6654 * simplify-rtx.c (simplify_relational_operation): Call
6655 simplify_relational_operation_1 even if mode is VOIDmode.
6657 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6659 PR tree-optimization/26804
6660 * tree.h (DECL_CALL_CLOBBERED): New macro.
6661 (tree_decl_common): Add call_clobbered_flag.
6662 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6663 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6664 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6665 (mark_non_addressable): Ditto.
6666 * tree-ssa.c (verify_call_clobbered): New function.
6667 (verify_alias_info): Use it.
6668 * tree-pass.h (pass_reset_cc_flags): New prototype.
6669 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6670 (reset_cc_flags): New function.
6671 * passes.c (init_optimization_passes): Call reset_cc_flags after
6672 initializing referenced_vars.
6674 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6675 Roger Sayle <roger@eyesopen.com>
6677 PR middle-end/26717
6678 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6679 to 1.0 for non-real operands. Implement A / A optimization for
6680 complex operands.
6682 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6684 * config/i386/i386.c (size_cost): Correct the comment for
6685 cost of storing fp registers.
6686 (i386_cost): Likewise.
6687 (i486_cost): Likewise.
6688 (pentium_cost): Likewise.
6689 (pentiumpro_cost): Likewise.
6690 (k6_cost): Likewise.
6691 (athlon_cost): Likewise.
6692 (k8_cost): Likewise.
6693 (pentium4_cost): Likewise.
6694 (nocona_cost): Likewise.
6695 (generic64_cost): Likewise.
6696 (generic32_cost): Likewise.
6698 2006-03-24 Denis Chertykov <denisc@overta.ru>
6700 * config/avr/avr-protos.h (extra_constraint): Delete.
6701 (extra_constraint_Q): New declaration.
6702 * config/avr/constraints.md: New file.
6703 * config/avr/avr.md: Include it.
6704 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6705 (TMP_REGNO, ZERO_REGNO): Likewise.
6706 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6707 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6708 (extra_constraint): Delete.
6709 (extra_constraint_Q): Test for memory constraint 'Q'.
6710 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6711 (REG_CLASS_FROM_LETTER): Delete.
6712 (CONST_OK_FOR_LETTER_P): Delete.
6713 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6714 (EXTRA_CONSTRAINT): Delete.
6715 (TMP_REGNO): Delete.
6716 (ZERO_REGNO): Delete.
6718 2006-03-24 Jeff Law <law@redhat.com>
6720 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6721 directly. Call mark_new_vars_to_rename slightly earlier.
6723 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6725 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6726 (is_cxx): Likewise.
6727 (gen_compile_unit_die): Use new language types for Objective-C and
6728 Objective-C++.
6729 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6730 DW_LANG_C_plus_plus.
6732 PR 26793
6733 * config/t-darwin (crt3.o): Work around bug 26840.
6734 * config/darwin-crt3.c: Rewrite.
6735 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6737 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6739 * doc/invoke.texi: Document -femit-class-debug-always
6740 * common.opt: Add -femit-class-debug-always.
6742 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6744 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6745 index and base register.
6746 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6747 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6748 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6749 REGNO_OK_FOR_INDEX_P.
6750 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6751 ADDR_REGNO_P.
6752 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6753 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6754 REG_OK_FOR_BASE_P): Definitions removed.
6756 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6758 PR middle-end/26611
6759 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6760 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6761 set yet or weren't marked as local yet.
6763 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6765 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6766 the compiler.
6768 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6770 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6771 (rs6000_legitimate_small_data_p): Delete.
6772 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6773 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6774 and make static. Add forward declaration. Update uses.
6775 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6776 of offsettable_memref_p.
6777 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6778 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6780 2006-03-24 Jeff Law <law@redhat.com>
6782 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6783 around bug in immediate-use iterator.
6785 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6787 PR target/26607
6788 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6789 or __LITTLE_ENDIAN__.
6791 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6793 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6794 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6795 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6796 * config/sh/sh.opt (mdiv=): Amend description.
6797 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6798 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6799 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6800 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6801 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6802 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6803 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6804 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6805 TARGET_DIVIDE_CALL_FP.
6807 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6809 * haifa-sched.c (choose_ready): Fix type of the local variable.
6810 Move local variables. Add comment.
6811 (check_reg_live): Change signature. Make callable from debugger.
6812 * sched-int.h (check_reg_live): Update signature.
6813 * sched-ebb.c (check_reg_live): Update parameters.
6814 * sched-rgn.c (check_reg_live): Ditto.
6815 (region_head_or_leaf_p): Check pointer before dereferencing.
6816 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6817 before reload on optimization levels below 1.
6819 2006-03-23 Richard Henderson <rth@redhat.com>
6821 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6822 tls symbols.
6824 PR target/26347
6825 * config/alpha/predicates.md (local_symbolic_operand): Reject
6826 weak symbols.
6828 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6830 PR tree-opt/26795
6831 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6832 expressions which have overflowed constants.
6834 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6836 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6838 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6840 * cfgloopmanip.c (create_loop_notes): Removed.
6841 * final.c (final_scan_insn): Do not handle loop notes.
6842 * jump.c (squeeze_notes): Ditto.
6843 * cfglayout.c (skip_insns_after_block,
6844 duplicate_insn_chain): Ditto.
6845 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6846 create_loop_notes.
6847 * cfgloop.h (create_loop_notes): Declaration removed.
6849 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6851 * varasm.c (output_constant_pool): Restore fnname and fndecl
6852 arguments.
6853 (assemble_start_function): Adjust call accordingly.
6854 (assemble_end_function): Likewise.
6856 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6858 PR mudflap/26789
6859 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6861 PR mudflap/26790
6862 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6864 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6866 PR driver/22600
6867 * system.h (ICE_EXIT_CODE): New macro.
6868 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6869 (diagnostic_action_after_output): Likewise.
6870 * gcc.c (fatal_ice): New function.
6871 (execute): Use it instead of fatal.
6872 (fancy_abort): Likewise.
6873 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6875 2006-03-22 Jeff Law <law@redhat.com>
6877 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6878 iv_analyze_result returning false.
6880 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6882 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6884 2006-03-22 Richard Henderson <rth@redhat.com>
6886 PR middle-end/26084
6887 * except.c (duplicate_eh_regions_0): New.
6888 (duplicate_eh_region_1): Duplicate the children of the node as
6889 well as the node itself. Link them up properly.
6890 (duplicate_eh_region_2): Merge into ...
6891 (duplicate_eh_regions): ... here. Take copy_region argument, and
6892 copy only a sub-tree if asked. Simplify copying and fixup.
6893 (eh_region_outer_p): New.
6894 * except.h (duplicate_eh_regions): Update decl.
6895 (eh_region_outer_p): Declare.
6896 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6897 (lower_omp_master): Likewise.
6898 (lower_omp_ordered): Likewise.
6899 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6900 (move_stmt_r): Use it to remap labels. Handle recursion vs
6901 remap_decls_p properly.
6902 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6903 (find_outermost_region_in_block): New.
6904 (new_label_mapper): New.
6905 (move_sese_region_to_fn): Copy eh information to the new function
6906 properly.
6907 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6908 argument.
6909 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6910 number.
6912 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6914 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6915 into shared libraries.
6917 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6919 * doc/md.texi: Refer to i386/constraints.md instead of
6920 i386/predicates.md.
6921 * config/i386/constraints.md: New file, extracted from...
6922 * config/i386/predicates.md: ...here.
6923 * config/i386/i386.md: Include constraints.md.
6925 2006-03-21 Jason Merrill <jason@redhat.com>
6927 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6929 PR middle-end/20297
6930 * expr.c (init_block_move_fn): Force default visibility.
6931 (init_block_clear_fn): Likewise.
6932 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6933 * targhooks.c (default_external_stack_protect_fail): Likewise.
6935 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6937 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6938 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6939 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6940 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6941 (loadgp): Use mips_current_loadgp_style.
6942 (loadgp_noshared): New pattern.
6943 (sibcall_internal): Use MIPS_CALL.
6944 (sibcall_value_internal): Likewise.
6945 (sibcall_value_multiple_internal): Likewise.
6946 (call_internal): Likewise.
6947 (call_value_internal): Likewise.
6948 (call_value_multiple_internal): Likewise.
6949 (call_split): Use MIPS_CALL and add an 'S' constraint.
6950 (call_value_split): Likewise.
6951 (call_value_multiple_split): Likewise.
6952 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6953 (-mshared): New option.
6954 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6955 (mips_current_loadgp_style): Declare.
6956 * config/mips/mips.c (mips_classify_symbol): Avoid using
6957 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6958 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6959 TARGET_ABSOLUTE_ABICALLS.
6960 (override_options): Adjust comments. Improve the warning that is
6961 issued when -mabicalls and -G are used together.
6962 (mips_file_start): Remove comment.
6963 (mips_current_loadgp_style): New function.
6964 (mips_gnu_local_gp): New variable.
6965 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6966 LOADGP_ABSOLUTE.
6967 (mips_output_function_prologue): Use mips_current_laodgp_style.
6968 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6969 the cprestore instruction.
6970 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6971 live for TARGET_ABSOLUTE_ABICALLS.
6972 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
6973 (ASM_SPEC): Pass down -mshared and -mno-shared.
6974 (MIPS_CALL): New macro.
6975 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
6976 definition.
6977 * doc/invoke.texi (-mabicalls): Update documentation.
6978 (-mshared): Document.
6980 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6982 * config/ia64/unwind-hpux.c: New file.
6983 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
6985 2006-03-21 Steve Ellcey <sje@cup.hp.com>
6987 PR libgomp/26384
6988 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
6990 2006-03-21 Jeff Law <law@redhat.com>
6992 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
6993 type conversions of a VR_VARYING source to a wider type.
6995 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
6997 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
6998 tm_file on Solaris 10 and later.
6999 (sparc64-*-solaris2*): Likewise.
7000 (sparc-*-solaris2*): Likewise.
7001 * config/sol26.h: Rename to config/sol2-6.h.
7002 * config/sol2-10.h: New file.
7004 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7006 PR tree-opt/26781
7007 * tree-ssa-pre.c (create_component_ref_by_pieces):
7008 Handle STRING_CST.
7010 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7012 PR c++/26690
7013 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7014 return it immediately.
7016 2006-03-21 Michael Matz <matz@suse.de>
7018 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7019 New members.
7020 (remove_arc, add_arc): Update num_out_arcs member.
7021 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7022 of out arcs.
7023 (cache_presence): New function.
7024 (compare_states_for_equiv): New function.
7025 (state_is_differed): Don't take number of outargs, adjust callers.
7026 Use new invariant for speeding up.
7027 (init_equiv_class): Create initial classes based on sorted
7028 input.
7029 (partition_equiv_class): Don't track out_arcs_num.
7030 (evaluate_equiv_classes): Call cache_presence on all states and
7031 sort them.
7033 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7035 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7036 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7037 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7038 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7039 callers changed.
7040 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7041 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7042 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7043 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7044 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7045 macros.
7046 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7047 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7048 (REGNO_REG_CLASS): ARGP is in PREGS.
7049 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7050 IREGS.
7051 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7052 to deal with those addresses.
7053 * addresses.h: New file.
7054 * caller-save.c: Include "addresses.h".
7055 (init_caller_save): Use new base_reg_class function.
7056 * rtl-factoring.c: Include "addresses.h".
7057 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7058 * recog.c: Include "addresses.h".
7059 (preprocess_constraints): Use new base_reg_class function.
7060 * regrename.c: Include "addresses.h".
7061 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7062 functions. Keep track of a new var INDEX_CODE to compute valid
7063 classes.
7064 (replace_oldest_value_addr): Likewise.
7065 (replace_oldest_value_mem): Use base_reg_class.
7066 * reload.c: Include "addresses.h".
7067 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7068 (find_reloads): Use new base_reg_class function.
7069 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7070 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7071 all callers and prototype changed.
7072 * reload1.c: Include "addresses.h".
7073 (maybe_fix_stack_asms): Use base_reg_class.
7074 * regclass.c: Include "addresses.h".
7075 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7076 (init_reg_autoinc): Use new base_reg_class function.
7077 (record_reg_classes): Likewise.
7078 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7079 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7080 Use new args to compute necessary class.
7082 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7083 regrename.o, rtl-factoring.o): Update dependencies.
7084 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7085 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7086 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7087 REG_OK_FOR_INDEX_P): Delete documentation.
7089 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7091 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7092 from V7 to V9 for Solaris 7 and above.
7094 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7096 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7097 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7098 argument pointers may not alias any other storage.
7099 * common.opt: Define option -fargument-noalias-anything.
7100 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7101 alias semantics is specified by flag_argument_noalias > 2.
7103 2006-03-20 Jeff Law <law@redhat.com>
7105 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7106 (pass_phi_only_cprop): Declare.
7107 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7108 with phi_only_cprop
7109 * tree-ssa-dom.c (degenerate_phi_result): New function.
7110 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7111 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7112 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7113 (eliminate_degenerate_phis): Likewise.
7114 (pass_phi_only_cprop): New pass descriptor.
7115 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7116 support code. Callers updated.
7117 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7118 (store_copy_prop): Likewise.
7119 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7121 2006-03-20 Jason Merrill <jason@redhat.com>
7123 PR c++/21764
7124 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7125 (push_visibility, pop_visibility): Likewise.
7126 * c-pragma.h: Declare them.
7128 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7130 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7132 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7133 parameter and use get_ebb_head_tail.
7134 (sh_md_init_global): Adjust uses of find_regmode_weight.
7136 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7138 * function.h (struct function) <x_tail_recursion_reentry>:
7139 Rename to x_stack_check_probe_note.
7140 (tail_recursion_reentry): Rename to stack_check_probe_note.
7141 * function.c: Replace tail_recursion_reentry with
7142 stack_check_probe_note everywhere.
7143 (expand_function_start): Only emit a note for
7144 stack_check_probe_note with -fstack-protect.
7145 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7147 * emit-rtl.c (remove_unnecessary_notes): Remove.
7148 (pass_remove_unnecessary_notes): Remove.
7149 * rtl.h (remove_unnecessary_notes): Remove prototype.
7150 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7151 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7152 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7154 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7156 PR tree-opt/26629
7157 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7158 (valid_in_set): Handle ARRAY_REF.
7159 Change "if min_variant or VH" to asserts.
7160 (create_component_ref_by_pieces): Handle ARRAY_REF.
7161 (create_expression_by_pieces): Likewise.
7162 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7164 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7166 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7167 is operand of switch, not str[0].
7169 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7171 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7172 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7174 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7176 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7177 end of insn_extra_address_constraint declaration.
7179 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7181 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7182 (no-sum-in-toc): Same.
7183 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7184 variables.
7185 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7186 NO_FP_IN_TOC for -fPIC instead of mask.
7188 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7189 (BOOT_LDFLAGS): Delete.
7190 (LDFLAGS): Delete.
7191 * config/rs6000/t-aix52: Same.
7193 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7194 (stmsi[345678]_power): New.
7196 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7198 * config/ia64/ia64.opt: Add empty line to end of file.
7200 2006-03-17 Richard Guenther <rguenther@suse.de>
7202 PR middle-end/26721
7203 * builtins.c (get_pointer_alignment): For component style references
7204 adjust alignment to the component type alignment. Make sure
7205 to adjust alignment for component access of constants.
7207 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7209 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7210 unconditional jump.
7212 2006-03-17 Paul Brook <paul@codesourcery.com>
7214 * doc/install.texi: Docuemnt --with-mode.
7215 * config.gcc: Add --with-mode for arm*-*-*.
7216 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7218 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7220 * sh.c (max_labelno_before_reorg): New variable.
7221 (sh_reorg): Initialize it.
7222 (find_barrier): Check max_labelno_before_reorg before using
7223 label_to_alignment. Take length of explicit alignment insns
7224 into account. When seeing a UNSPECV_CONST_END, return it.
7226 * sh.c (fixup_mova): Set mode of affected label to QImode.
7227 (untangle_mova): New function.
7228 (find_barrier): Use it. Check mode of label before decrementing
7229 num_mova.
7230 (sh_reorg): Likewise.
7231 Set mode of all insns back to VOIDmode.
7233 * sh.c (MOVA_LABELREF): New macro.
7234 (mova_p, fixup_mova, sh_reorg): Use it.
7235 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7236 ADDR_DIFF_VEC matches mova.
7238 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7240 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7241 with ATTRIBUTE_UNUSED.
7243 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7245 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7246 pointer, instead of assuming it is possible to derive the
7247 correct args size from a call insn.
7249 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7251 * rtl.h (CONST_INT_P): Define.
7252 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7253 instead of GET_CODE(x) == CONST_INT.
7254 (vax_rtx_costs): Likewise.
7255 (vax_output_int_move): Likewise.
7256 (vax_output_int_add): Likewise.
7257 (legitimate_constant_address_p): Likewise.
7258 (index_term_p): Likewise.
7259 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7260 * config/vax/vax.md (and<mode>3): Likewise.
7261 (ashrsi3): Likewise.
7262 (extv): Likewise.
7263 (movstricthi): Likewise.
7264 (movstrictqi): Likewise.
7265 (rotrsi3): Likewise.
7266 (five unnamed insns): Likewise.
7268 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7270 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7271 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7272 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7273 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7274 Pass to ASM_OUTPUT_DWARF_OFFSET.
7275 * dwarf2out.c (debug_frame_section): New.
7276 (output_call_frame_info): Use debug_frame_section. Pass it to
7277 dw2_asm_output_offset.
7278 (output_die): Pass appropriate section to dw2_asm_output_offset.
7279 (output_compilation_unit_header): Likewise.
7280 (output_pubnames): Likewise.
7281 (output_aranges): Likewise.
7282 (enum dw_val_class): Break dw_val_class_lbl_offset into
7283 dw_val_class_lineptr and dw_val_class_macptr.
7284 (add_AT_lbl_offset): Delete.
7285 (add_AT_lineptr): New.
7286 (add_AT_macptr): New.
7287 (AT_lbl): Expect a lineptr or macptr.
7288 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7289 (attr_checksum): Likewise.
7290 (same_dw_val_p): Likewise.
7291 (size_of_die): Likewise.
7292 (value_format): Likewise.
7293 (output_die): Likewise.
7294 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7295 add_AT_lbl_offset.
7296 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7297 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7298 * config/darwin-protos.h (darwin_file_start): New.
7299 (darwin_asm_output_dwarf_offset): New.
7300 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7301 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7302 darwin_file_start.
7303 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7304 if not EH section; simplify.
7305 (darwin_file_start): New.
7306 (darwin_asm_output_dwarf_offset): New.
7307 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7308 mark as 'debug'.
7309 (DEBUG_INFO_SECTION): Likewise.
7310 (DEBUG_ABBREV_SECTION): Likewise.
7311 (DEBUG_ARANGES_SECTION): Likewise.
7312 (DEBUG_MACINFO_SECTION): Likewise.
7313 (DEBUG_LINE_SECTION): Likewise.
7314 (DEBUG_LOC_SECTION): Likewise.
7315 (DEBUG_PUBNAMES_SECTION): Likewise.
7316 (DEBUG_STR_SECTION): Likewise.
7317 (DEBUG_RANGES_SECTION): Likewise.
7318 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7319 (ASM_OUTPUT_DWARF_OFFSET): New.
7321 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7323 * config.gcc (tm_defines): Always add to previous value rather
7324 than replacing it.
7326 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7328 * config/mips/predicates.md (splittable_const_int_operand): New,
7329 split from move_operand.
7330 (splittable_symbolic_operand): New.
7331 (move_operand): Add commentary. Use splittable_const_int_operand.
7332 Inline mips_atomic_symbolic_constant_p.
7333 * config/mips/mips.md: Add combine splitters for handling moves
7334 of splittable_const_int_operands and splittable_symbolic_operands.
7335 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7336 (mips_split_symbol): Declare.
7337 (mips_move_integer): Declare.
7338 * config/mips/mips.c (mips_split_p): Make global.
7339 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7340 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7341 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7342 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7343 (mips_offset_within_object_p): Handle block symbols.
7344 (mips_atomic_symbolic_constant_p): Delete.
7345 (mips_cannot_force_const_mem): Return false for constants that
7346 mips_legitimize_move can handle.
7347 (mips_use_blocks_for_constant_p): New function.
7348 (mips_split_symbol): Make global.
7349 (mips_move_integer): Likewise. Add a temporary register argument.
7350 (mips_legitimize_const_move): Use splittable_const_int_operand and
7351 splittable_symbolic_operand.
7352 (mips_use_anchors_for_symbol_p): New function.
7353 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7354 (mips_split_p): Declare.
7356 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7358 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7359 (mips*-*-linux*): Likewise.
7361 2006-03-16 Roger Sayle <roger@eyesopen.com>
7362 Daniel Speyer <dspeyer@wam.umd.edu>
7364 PR middle-end/18259
7365 * tree-dump.c (dump_real): New function.
7366 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7367 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7368 (tree-dump.o): Add $(REAL_H) to the dependencies.
7370 2006-03-16 Roger Sayle <roger@eyesopen.com>
7372 PR middle-end/21781
7373 * real.c (real_from_string): If the mantissa is zero, don't bother
7374 parsing the exponent as the result should always be zero.
7376 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7378 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7380 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7382 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7383 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7384 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7385 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7386 ia64_sched_finish_global): New static functions to implement
7387 hooks from gcc_target.sched.
7388 (spec_check_no, max_uid, pending_data_specs): New static variables.
7389 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7390 ia64_spec_check_src_p): New static functions.
7391 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7392 (TARGET_SCHED_ADJUST_COST): Removed.
7393 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7394 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7395 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7396 TARGET_SCHED_GEN_CHECK,
7397 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7398 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7399 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7400 Fixed to handle speculation checks.
7401 (rtx_needs_barrier): Fixed to handle speculative loads and
7402 their checks.
7403 (ia64_variable_issue): Added code to count speculative loads and their
7404 checks.
7405 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7406 speculative loads.
7407 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7408 New enumerations.
7409 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7410 New constants.
7411 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7412 (ia64_reorg): Reset stops_p to NULL after it is freed.
7413 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7414 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7415 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7416 chk_a.
7417 (data_speculative, control_speculative, check_load): New attributes.
7418 (mov<mode>_advanced, mov<mode>_speculative,
7419 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7420 zero_extend<mode>di2_speculative,
7421 zero_extend<mode>di2_speculative_advanced): New patterns for
7422 data and control speculative loads.
7423 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7424 check loads.
7425 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7426 New pattern for data and control speculation checks.
7427 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7428 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7429 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7430 Auxiliary definitions for the patterns.
7431 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7432 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7433 constraints.
7434 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7435 for speculation.
7436 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7437 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7438 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7439 New resource constraints.
7440 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7441 for speculation.
7442 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7443 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7444 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7445 msched-in-control-spec, msched-ldc, msched-control-ldc,
7446 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7447 msched-prefer-non-control-spec-insns,
7448 msched-count-spec-in-critical-path): New flags to tune speculative
7449 scheduling.
7450 * doc/invoke.texi (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): Document new flags.
7457 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7459 * target.h (struct spec_info_def): New opaque declaration.
7460 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7461 speculate_insn, needs_block_p, gen_check,
7462 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7463 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7464 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7465 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7466 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7467 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7468 gcc_target.sched.
7469 (TARGET_SCHED): Use new macros.
7470 * rtl.h (copy_DEPS_LIST_list): New prototype.
7471 * sched-int.h (struct sched_info): Change signature of new_ready field,
7472 adjust all initializations. New fields: add_remove_insn,
7473 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7474 region_head_or_leaf_p.
7475 (struct spec_info_def): New structure declaration.
7476 (spec_info_t): New typedef.
7477 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7478 recovery_block, orig_pat.
7479 (glat_start, glat_end): New variables declaraions.
7480 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7481 New access macros.
7482 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7483 DETACH_LIFE_INFO, USE_GLAT.
7484 (enum SPEC_SCHED_FLAGS): New enumeration.
7485 (NOTE_NOTE_BB_P): New macro.
7486 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7487 attach_life_info, debug_spec_status, check_reg_live): New functions.
7488 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7489 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7490 sched-ebb.c
7491 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7492 * ddg.c (get_block_head_tail): Adjust all uses.
7493 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7494 (sms_sched_info): Initialize new fields.
7495 (contributes_to_priority): Removed.
7496 * haifa-sched.c (params.h): New include.
7497 (get_block_head_tail): Adjust all uses.
7498 (ISSUE_POINTS): New macro.
7499 (glat_start, glat_end): New global variables.
7500 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7501 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7502 old_last_basic_block, before_recovery, current_sched_info_var,
7503 rgn_n_insns, luid): New static variables.
7504 (insn_cost1): New function. Move logic from insn_cost to here.
7505 (find_insn_reg_weight1): New function. Move logic from
7506 find_insn_reg_weight to here.
7507 (reemit_notes, move_insn, max_issue): Change signature.
7508 (move_insn1): Removed.
7509 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7510 extend_bb): New static functions to support extension of scheduler's
7511 data structures.
7512 (generate_recovery_code, process_insn_depend_be_in_spec,
7513 begin_speculative_block, add_to_speculative_block,
7514 init_before_recovery, create_recovery_block, create_check_block_twin,
7515 fix_recovery_deps): New static functions to support
7516 generation of recovery code.
7517 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7518 restore_bb_notes, move_block_after_check, move_succs): New static
7519 functions to support ebb scheduling.
7520 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7521 functions to support handling of register live information.
7522 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7523 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7524 add_jump_dependencies): New static functions.
7525 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7526 consistancy checking.
7527 (debug_spec_status): New function to call from debugger.
7528 (priority): Added code to handle speculation checks.
7529 (rank_for_schedule): Added code to distinguish speculative instructions.
7530 (schedule_insn): Added code to handle speculation checks.
7531 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7532 Fixed to handle ebbs.
7533 (move_insn): Added code to handle ebb scheduling.
7534 (max_issue): Added code to use ISSUE_POINTS of instructions.
7535 (choose_ready): Added code to choose between speculative and
7536 non-speculative instructions.
7537 (schedule_block): Added code to handle ebb scheduling and scheduling of
7538 speculative instructions.
7539 (sched_init): Initialize new variables.
7540 (sched_finish): Free new variables. Print statistics.
7541 (try_ready): Added code to handle speculative instructions.
7542 * lists.c (copy_DEPS_LIST_list): New function.
7543 * sched-deps.c (extend_dependency_caches): New function. Move logic
7544 from create_dependency_caches to here.
7545 (get_dep_weak, ds_merge): Make global.
7546 * genattr.c (main): Code to output prototype for
7547 dfa_clear_single_insn_cache.
7548 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7549 (output_dfa_clean_insn_cache_func): Code to output
7550 dfa_clear_single_insn_cache function.
7551 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7552 n_insns.
7553 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7554 Removed.
7555 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7556 New static variables.
7557 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7558 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7559 struct sched_info.
7560 (ebb_sched_info): Initialize new fields.
7561 (get_block_head_tail): Adjust all uses.
7562 (compute_jump_reg_dependencies): Fixed to use glat_start.
7563 (schedule_ebb): Code to remove unreachable last block.
7564 (schedule_ebbs): Added code to update register live information.
7565 * sched-rgn.c (region_sched_info): Initialize new fields.
7566 (get_block_head_tail): Adjust all uses.
7567 (last_was_jump): Removed. Adjust users.
7568 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7569 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7570 Implement new hooks.
7571 (check_dead_notes1): New static function.
7572 (struct region): New fields: dont_calc_deps, has_real_ebb.
7573 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7574 (BB_TO_BLOCK): Fixed to handle EBBs.
7575 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7576 (ebb_head): New static variable.
7577 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7578 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7579 new fields.
7580 (compute_dom_prob_ps): New assertion.
7581 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7582 global_live_at_start.
7583 (init_ready_list): New assertions.
7584 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7585 (new_ready): Add support for BEGIN_CONTROL speculation.
7586 (schedule_insns): Fixed code that updates register live information
7587 to handle EBBs.
7588 (schedule_region): Fixed to handle EBBs.
7589 (init_regions): Use extend_regions and check_dead_notes1.
7590 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7591 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7592 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7593 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7594 TARGET_SCHED_GEN_CHECK,
7595 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7596 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7597 * doc/invoke.texi (max-sched-insn-conflict-delay,
7598 sched-spec-prob-cutoff): Document.
7600 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7602 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7603 inter_tick, queue_index.
7604 (struct sched_info): Change signature of init_ready_list field.
7605 Adjust all initializations.
7606 (RESOLVED_DEPS): New access macro.
7607 (ready_add): Remove prototype.
7608 (try_ready): Add prototype.
7609 * sched-rgn.c (init_ready_list): Use try_ready.
7610 (schedule_region): Initialize
7611 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7612 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7613 (init_ready_list): Use try_ready.
7614 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7615 * lists.c (remove_list_elem): Remove `static'.
7616 (remove_free_INSN_LIST_elem): New function.
7617 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7618 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7619 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7620 New constants.
7621 (readyp): New variable.
7622 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7623 change_queue_index, resolve_dep): New static functions.
7624 (try_ready): New function. Adjust callers in sched-rgn.c and
7625 sched-ebb.c to use it instead of ready_add.
7626 (clock_var): Move at the begining of file.
7627 (rank_for_schedule): Fix typo.
7628 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7629 (ready_lastpos): Enforce assertion.
7630 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7631 update all callers.
7632 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7633 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7634 (queue_to_ready): Use free_INSN_LIST_list.
7635 (early_queue_to_ready): Fix typo.
7636 (schedule_block): Init readyp. Move init_ready_list call after the
7637 initialization of clock_var. Fix error in rejecting insn by
7638 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7639 that previously corrected INSN_TICKs. Add code for handling
7640 QUEUE_INDEX.
7641 (set_priorities): Fix typo.
7642 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7643 Clarify comment and code that keeps current_sched_info->next_tail
7644 non-null.
7646 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7648 * sched-rgn.c (extend_rgns): New static function.
7649 (find_rgns): Use it.
7650 (gather_region_statistics, print_region_statistics): New static
7651 functions.
7652 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7653 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7655 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7656 Andrey Belevantsev <abel@ispras.ru>
7658 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7659 * lists.c (unused_deps_list): New variable.
7660 (free_list): Add assertions to verify the proper distinguishing
7661 between INSN_LISTs and DEPS_LISTs.
7662 (find_list_elem, remove_list_elem, remove_list_node): New static
7663 functions.
7664 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7665 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7666 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7667 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7668 an INSN_LIST.
7669 (free_INSN_LIST_node): Likewise.
7670 * modulo-sched.c (current_sched_info): Initialize flags field.
7671 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7672 * rtl.def (DEPS_LIST): Define.
7673 * rtl.h: Declare new functions from lists.c.
7674 * sched-deps.c (spec_dependency_cache): New static variable.
7675 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7676 (add_dependence): Change return type to void. Move the logic to ...
7677 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7678 (delete_all_dependences): Add comment about forward_dependency_cache.
7679 Handle spec_dependency_cache. Handle DEPS_LISTs.
7680 (fixup_sched_groups): Clarify the change of priority of output
7681 and anti dependencies.
7682 (sched_analyze_2): Adjust add_dependence calls to create data
7683 speculative dependence.
7684 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7685 Adjust all callers. Handle DEPS_LISTS.
7686 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7687 presence of speculation.
7688 (init_dependency_caches, free_dependency_caches):
7689 Handle spec_dependency_cache.
7690 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7691 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7692 New static functions.
7693 (add_or_update_back_dep, add_or_update_back_forw_dep,
7694 add_back_forw_dep, delete_back_forw_dep): New functions.
7695 * sched-int.h (ds_t, dw_t): New typedefs.
7696 (struct sched_info): Add new field flags.
7697 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7698 Prototype new sched-deps.c functions.
7699 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7700 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7701 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7702 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7703 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7704 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7705 New constants.
7706 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7707 New enums.
7708 * sched-rgn.c (current_sched_info): Initialize flags field.
7709 (schedule_insns): Initialize current_sched_info before the sched_init
7710 call.
7711 * sched-ebb.c (current_sched_info): Initialize flags field.
7712 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7713 Call add_or_update_back_dep instead of add_dependence.
7714 Create control speculative dependencies.
7715 (schedule_insns): Initialize current_sched_info before the sched_init
7716 call.
7718 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7720 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7721 fs->signal_frame.
7722 (sh_fallback_frame_state): Likewise.
7724 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7726 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7727 Do switch on default_use_cxa_atexit.
7728 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7729 * config/darwin-crt3.o: New.
7730 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7731 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7732 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7733 OS version.
7734 * config/rs6000/t-darwin: Move crt2.o building to here.
7735 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7736 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7737 of __cxa_atexit.
7739 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7741 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7742 from '! xxx' to '!xxx' for coding-style conformance.
7743 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7744 (EXTRA_CONSTRAINT): Likewise.
7745 * config/vax/vax.md (four unnamed insns): Likewise.
7747 2006-03-15 Paul Brook <paul@codesourcery.com>
7749 * config/arm/arm.c (minipool_pad): New.
7750 (add_minipool_forward_ref): Include pool alignment padding in address
7751 calculation.
7752 (push_minipool_fix): Set minipool_pad.
7753 (minipool_pad): Ditto.
7755 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7757 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7758 instead of GET_CODE() == MEM and REG_P() instead of
7759 GET_CODE() == REG.
7760 (print_operand_address): Likewise.
7761 (vax_address_cost): Likewise.
7762 (vax_rtx_costs): Likewise.
7763 (vax_notice_update_cc): Likewise.
7764 (vax_output_int_add): Likewise.
7765 (INDEX_REGISTER_P): Likewise.
7766 (BASE_REGISTER_P): Likewise.
7767 (nonindexed_address_p): Likewise.
7768 (vax_mode_dependent_address_p): Likewise.
7769 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7770 (PRINT_OPERAND): Likewise.
7771 * config/vax/vax.md (ashlsi3): Likewise.
7772 (ashlsi3): Likewise.
7773 (some more unnamed insns): Likewise.
7775 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7777 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7778 iterator-style macro.
7779 (mark_control_dependent_edges_necessary): Update the use of
7780 EXECUTE_IF_CONTROL_DEPENDENT.
7782 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7784 * config/sh/predicates.md (cache_address_operand): Special.
7785 (ua_address_operand): Likewise.
7787 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7789 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7790 loop notes.
7791 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7793 2006-03-15 Andreas Schwab <schwab@suse.de>
7795 * gensupport.c (identify_predicable_attribute): Don't free p_false
7796 when it is still in use.
7798 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7800 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7801 the default setting here.
7803 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7805 * tree-pass.h (pass_cfg): Remove.
7806 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7807 * passes.c (pass_cfg): Don't run it.
7809 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7811 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7812 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7813 VEC(char,heap) *.
7814 (stack_regs_mentioned): Update the uses of
7815 stack_regs_mentioned_data. Don't access the array beyond its
7816 end.
7817 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7818 Don't include gt-reg-stack.h.
7820 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7821 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7823 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7825 PR middle-end/26684
7826 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7827 STACK_REGS.
7829 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7831 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7833 2006-03-14 Richard Guenther <rguenther@suse.de>
7835 PR tree-optimization/26672
7836 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7837 SSA form.
7839 2006-03-14 Richard Guenther <rguenther@suse.de>
7841 PR tree-optimization/26667
7842 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7843 node for the callees. Always allow inlining if it will shrink
7844 the function size.
7846 2006-03-14 Richard Guenther <rguenther@suse.de>
7848 PR middle-end/26659
7849 * builtins.c (get_pointer_alignment): Prefer alignment
7850 information from decls over that from types.
7852 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7854 PR target/26657
7855 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7857 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7859 * config/rs6000/rs6000.opt (mdlmzb): New option.
7860 (msched-prolog, msched-epilog): Use Var not Mask.
7861 * doc/invoke.texi (-mdlmzb): Document.
7862 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7863 MASK_SCHED_PROLOG.
7864 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7865 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7867 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7869 PR rtl-optimization/25739
7870 * bt-load.c (augment_live_range): Free tos pointer.
7872 * gensupport.c (identify_predicable_attribute): Free
7873 p_false pointer.
7874 * gcov.c (create_file_names): Free name pointer.
7876 2006-03-13 Roger Sayle <roger@eyesopen.com>
7878 PR middle-end/26557
7879 * stmt.c (emit_case_nodes): Handle the case where the index is a
7880 CONST_INT, where the comparison mode is specified by the index type.
7882 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7884 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7885 is defined.
7887 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7889 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7890 (*branch_fp_inverted): Likewise.
7892 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7894 PR middle-end/25989
7895 * omp-low.c (expand_omp_for_generic): Mark istart0
7896 and iend0 as addressable.
7898 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7900 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7902 2006-03-13 Jeff Law <law@redhat.com>
7904 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7905 virtual operands are interesting.
7906 (vrp_visit_stmt): Corresponding changes.
7908 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7910 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7911 of RETS.
7912 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7913 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7914 * config/bfin/crti.S: Use it instead of __PIC__.
7915 * config/bfin/crtn.S: Likewise.
7917 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7918 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7919 not if flag_pic.
7920 Lose 'G' modifier for call operand.
7921 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7922 recognize 'G' modifier.
7924 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7926 PR middle-end/18859
7927 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7928 * stmt.c (expand_case): Likewise.
7930 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7932 PR rtl-optimization/26254
7933 * loop-invariant.c (seq_insns_valid_p): New function.
7934 (move_invariant_reg): Only emit new code if it is valid.
7936 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7938 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7939 Removed.
7940 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7941 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7942 (commit_one_edge_insertion): Do not look for loop notes.
7944 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7946 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7947 flag_test_coverage out of loop.
7949 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7951 * final.c (shorten_branches): Remove outdated comment, and turn
7952 the if branch that guards it to continue.
7954 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7956 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7957 * cfgloop.h (struct loop): Remove unused fields.
7959 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7961 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7962 (-dL, -fdump-rtl-loop2): Update the dump file names
7964 * doc/invoke.texi: Update dump file names.
7966 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7968 * predict.c (estimate_probability): Remove.
7969 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7970 * basic-block.h (estimate_probability): Remove prototype.
7971 * passes.c (finish_optimization_passes): Dump branch prediction or
7972 profiling heuristics to the .profile tree dump.
7973 (init_optimization_passes): Unqueue pass_branch_prob.
7975 * doc/invoke.texi (-fdump-rtl-bp): Remove.
7977 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7979 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
7980 * rtl.h (LABEL_NEXTREF): Remove field accessor.
7982 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
7984 * function.h (frame_offset_overflow): Declare.
7985 * function.c (frame_offset_overflow): New function.
7986 (assign_stack_local_1): Call it to detect that the offset overflows.
7987 * cfgexpand.c (alloc_stack_frame_space): Likewise.
7989 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
7991 * config/sh/sh.c: Include alloc-pool.h.
7992 (label_ref_list_pool): New alloc pool.
7993 (label_ref_list_t): New type for lists of labels.
7994 (struct pool_node): Make wend a label_ref_list_t.
7995 (add_constant): Use the new type, eradicate LABEL_NEXTREF
7996 references.
7997 (dump_table): Likewise.
7998 (sh_reorg): Set up the alloc pool before using add_constant and
7999 dump_table, and destroy it when finishing.
8001 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8003 * config/mips/mips.c: Remove redundant comment.
8005 2006-03-10 Jason Merrill <jason@redhat.com>
8007 PR c/26004
8008 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8009 the target was declared 'register'.
8011 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8013 * genpreds.c (write_insn_constraint_len): Change definition of
8014 insn_constraint_len to return size_t to match the declaration.
8016 2006-03-10 DJ Delorie <dj@redhat.com>
8018 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8019 start at zero.
8020 (m32c_expand_insv): Fix test for an AND mask.
8022 2006-03-10 Richard Guenther <rguenther@suse.de>
8024 PR middle-end/26565
8025 * builtins.c (get_pointer_alignment): Handle component
8026 references for field alignment.
8028 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8030 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8031 when building with libgloss.
8032 (sh*elf): Implement --without-fp option.
8033 (sh64-superh-linux*): Don't multilib.
8035 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8037 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8039 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8041 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8042 Set it when one of the replacement functions returned true.
8043 Return TODO_cleanup_cfg if cfgchanged is true.
8044 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8046 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8048 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8049 instead of gen_lowpart.
8051 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8053 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8054 interface.
8055 (mips_output_order_conditional_branch): Declare.
8056 * config/mips/mips.h (MIPS_BRANCH): New macro.
8057 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8058 for the comparison. Use gen_condjump.
8059 (mips_output_conditional_branch): Rework interface to take the
8060 asm templates for a direct branch and the inverse of a direct branch.
8061 (mips_output_order_conditional_branch): New function.
8062 (mips_builtin_branch_and_move): New function.
8063 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8064 branch condition. Use gen_single_cc as the condition for
8065 __builtin_mips_upper_* or __builtin_mips_lower_*.
8066 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8067 Use VOIDmode for the branch condition.
8068 * config/mips/predicates.md (order_operator): New predicate.
8069 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8070 (branch_fp): Rename to...
8071 (*branch_fp): ...this. Remove mode from comparison operator.
8072 Use new mips_output_conditional_branch interface.
8073 (branch_fp_inverted): Rename to...
8074 (*branch_fp_inverted): ...this and update as for *branch_fp.
8075 (*branch_zero<mode>): Rename to...
8076 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8077 Use mips_output_order_conditional_branch. Only accept ordered
8078 comparisons.
8079 (*branch_zero<mode>_inverted): Rename to...
8080 (*branch_order<mode>_inverted): ...this and update as for
8081 *branch_order<mode>.
8082 (*branch_equality<mode>): Accept zero as the second operand to
8083 the equality operator. Use the new mips_output_conditional_branch
8084 interface.
8085 (*branch_equality<mode>_inverted): Likewise.
8086 (condjump): New expander.
8087 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8088 operator.
8089 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8090 (bc1any2t, bc1any2f): Likewise.
8091 (single_cc): New expander.
8092 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8094 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8096 * doc/md.texi: Update documentation of MIPS constraints.
8097 * config/mips/constraints.md: New file.
8098 * config/mips/mips.md: Include it.
8099 * config/mips/mips.c (mips_char_to_class): Delete.
8100 (override_options): Don't initialize mips_char_to_class.
8101 * config/mips/mips.h (mips_char_to_class): Delete.
8102 (REG_CLASS_FROM_LETTER): Delete.
8103 (CONST_OK_FOR_LETTER_P): Delete.
8104 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8105 (EXTRA_CONSTRAINT_Y): Delete.
8106 (EXTRA_CONSTRAINT_STR): Delete.
8107 (CONSTRAINT_LEN): Delete.
8108 (EXTRA_MEMORY_CONSTRAINT): Delete.
8110 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8112 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8113 original fn's eh regions.
8115 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8117 * fold-const.c (build_range_check): Make sure to use a valid type to
8118 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8119 transformation.
8121 (range_predecessor): New static function.
8122 (range_successor): Likewise.
8123 (merge_ranges): Use them to compute predecessors and successors of
8124 range bounds.
8126 2006-03-09 Roger Sayle <roger@eyesopen.com>
8128 PR middle-end/26561
8129 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8130 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8132 2006-03-08 DJ Delorie <dj@redhat.com>
8134 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8135 (addpsi3): Expand to include memory operands. Remove
8136 reload-specific splits.
8137 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8138 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8139 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8140 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8141 (shift1_qi, shift1_hi, insv): New.
8142 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8143 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8144 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8145 cond_to_int): New.
8146 * config/m32c/m32c-protos.h: Update as needed.
8147 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8148 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8149 Fail for unrecognized R* constraints.
8150 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8151 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8152 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8153 Add Sp constraint.
8154 (m32c_init_libfuncs): New.
8155 (m32c_legitimate_address_p): Add debug wrapper.
8156 (m32c_rtx_costs): New.
8157 (m32c_address_cost): New.
8158 (conversions): Add 'B' prefix.
8159 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8160 operands, or word regnames for QI operands. 'B' prints bit
8161 position.
8162 (m32c_expand_setmemhi): New.
8163 (m32c_expand_movmemhi): New.
8164 (m32c_expand_movstr): New.
8165 (m32c_expand_cmpstr): New.
8166 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8167 (m32c_expand_neg_mulpsi3): Handle non-ints.
8168 (m32c_cmp_flg_0): New.
8169 (m32c_expand_movcc): New.
8170 (m32c_expand_insv): New.
8171 (m32c_scc_pattern): New.
8172 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8173 a0/a1 out of SIregs.
8174 (STORE_FLAG_VALUE): New.
8175 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8176 code macros.
8177 (no_insn): New.
8178 * config/m32c/mov.md: Make constraints more liberal.
8179 (zero_extendqihi2): Optimize r0/r1 case.
8180 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8181 * config/m32c/predicates.md (m32c_any_operand): New.
8182 (m32c_nonimmediate_operand): New.
8183 (m32c_hl_operand): New.
8184 (m32c_r3_operand): New.
8185 (ap_operand): New.
8186 (ma_operand): New.
8187 (memsym_operand): New.
8188 (memimmed_operand): New.
8189 (a_qi_operand): New.
8190 (m32c_eqne_operator): New.
8191 (m32c_1bit8_operand): New.
8192 (m32c_1bit16_operand): New.
8193 (m32c_1mask8_operand): New.
8194 (m32c_1mask16_operand): New.
8195 * config/m32c/blkmov.md: New file.
8196 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8198 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8200 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8201 unsigned to fix signed/unsigned comparison issue in
8202 DWARF2_FRAME_REG_OUT.
8203 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8204 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8206 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8207 of ptr into the ENABLE_CHECKING section.
8209 2006-03-08 Jeff Law <law@redhat.com>
8211 * tree-vrp.c (infer_value_range): Only count pointer uses
8212 and dereferences if -fdelete-null-pointer-checks is enabled.
8214 * tree-vrp.c (find_assert_locations): Infer value ranges for
8215 single use pointers, but do not create ASSERT_EXPRs for them.
8216 When a non-null range is inferred for a pointer, backwards
8217 propagate that range to other equivalent pointers through the
8218 use-def chain.
8220 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8222 PR bootstrap/26500
8223 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8224 language hook targets.
8225 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8226 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8227 if language hook targets were missing.
8229 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8231 * tree-ssa-opfinalize.h: Removed.
8232 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8233 dependency.
8234 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8235 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8236 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8237 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8238 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8239 finalize_ssa_v_must_def_ops): New.
8241 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8243 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8244 block as parameter.
8246 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8248 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8250 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8251 addresses with offsets; reorganize.
8253 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8254 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8255 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8257 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8259 PR target/26588
8260 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8262 2006-03-08 Ben Elliston <bje@au.ibm.com>
8264 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8266 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8268 PR gomp/26238
8269 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8270 expansion.
8272 2006-03-07 Richard Guenther <rguenther@suse.de>
8274 PR tree-optimization/26587
8275 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8277 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8279 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8281 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8283 * hooks.c (hook_bool_mode_rtx_true): New function.
8284 * hooks.h (hook_bool_mode_rtx_true): Declare.
8285 * toplev.c (compile_file): Call output_shared_constant_pool.
8286 * varasm.c (shared_constant_pool): New variable.
8287 (assemble_start_function, assemble_end_function): Remove arguments
8288 from call to output_constant_pool.
8289 (create_constant_pool): New function, split out from...
8290 (init_varasm_status): ...here.
8291 (force_const_mem): Choose between the shared and per-function constant
8292 pools. Set current_function_uses_const_pool when reusing old entries
8293 as well as when creating new ones.
8294 (mark_constant): Ignore data argument.
8295 (mark_constants): Remove pool argument.
8296 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8297 to decide whether the function uses a constant pool.
8298 (output_constant_pool_contents): New function, split out from...
8299 (output_constant_pool): ...here.
8300 (output_shared_constant_pool): New function.
8301 (init_varasm_once): Initialize shared_constant_pool.
8302 * output.h (output_constant_pool): Delete.
8303 (output_shared_constant_pool): Declare.
8304 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8305 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8307 2006-03-06 Nick Clifton <nickc@redhat.com>
8309 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8310 flag_strength_reduce.
8312 2006-03-06 Ben Elliston <bje@au.ibm.com>
8314 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8315 x86_64-*-linux* configurations.
8317 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8318 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8320 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8322 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8323 Remove.
8324 * basic-block.h: Remove the extern for
8325 rediscover_loops_after_threading.
8327 * cfgloop.c (cancel_loop): Make it static.
8328 * cfgloop.h: Remove the prototype for cancel_loop.
8330 * flow.c (recompute_reg_usage): Make it static.
8331 * rtl.h: Remove the prototype for recompute_reg_usage.
8333 * function.c (use_return_register): Make it static.
8334 * function.h: Remove the prototype.
8336 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8338 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8339 Remove.
8340 * recog.h: Remove the prototype for
8341 validate_change_maybe_volatile.
8343 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8345 * rtlanal.c (replace_reg): Remove.
8346 * rtl.h: Remove the prototype for replace_reg.
8348 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8350 * regclass.c (reg_scan_update): Remove.
8351 (reg_scan_mark_refs): Remove the last argument.
8352 * rtl.h: Remove the prototype for reg_scan_update.
8354 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8356 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8357 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8358 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8359 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8360 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8361 loop-invariant.c, omp-low.c, opts.c, passes.c,
8362 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8363 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8364 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8365 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8366 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8367 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8369 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8371 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8372 * dwarf2out.h: Remove the prototype for
8373 dwarf2out_add_library_unit_info.
8375 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8377 * tree.c (add_var_to_bind_expr): Remove.
8378 * tree.h: Remove the prototype for add_var_to_bind_expr.
8380 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8382 * regclass.c (n_non_fixed_regs): Remove.
8383 (init_reg_sets_1, globalize_reg): Remove all uses of
8384 n_non_fixed_regs.
8385 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8387 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8389 * rtlanal.c (insns_safe_to_move_p): Remove.
8390 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8392 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8394 * expmed.c (expand_mult_add): Remove.
8395 * expr.h: Remove the prototype for expand_mult_add.
8397 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8399 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8400 and REG_SAVED_VAL_EXP constants.
8401 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8402 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8403 Handle regs stored by value.
8404 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8405 (execute_cfa_program): Handle DW_CFA_val_offset,
8406 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8407 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8408 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8409 (uw_install_context_1): Handle target regs stored by value.
8411 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8413 * tree-sra.c (tree_sra): Return todoflags;
8414 (generate_one_element): Set TODO_update_smt_usage if needed.
8415 (pass_sra): Remove TODO_update_smt_usage.
8416 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8417 parameter.
8418 (tree_ssa_forward_propagate_single_use_vars): Return
8419 TODO_update_smt_usage if we need to update SMT usage.
8420 (pass_forwprop): Remove TODO_update_smt_usage.
8422 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8424 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8425 (correct_use_link): Remove reference to get_stmt_operands.
8426 (update_stmt_operands): Likewise.
8427 (get_modify_expr_operands): New function factored out of
8428 parse_ssa_operands and get_expr_operands.
8429 Try to create V_MUST_DEFs for LHS by default.
8430 (get_expr_operands) <case MODIFY_EXPR>: Call
8431 get_modify_expr_operands.
8432 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8433 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8434 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8435 get_modify_expr_operands.
8437 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8439 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8440 * tree-flow.h: Remove the prototype for
8441 referenced_var_lookup_if_exists.
8443 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8445 PR rtl-optimization/26345
8446 PR target/19061
8447 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8449 2006-03-03 Roger Sayle <roger@eyesopen.com>
8451 PR tree-optimization/26524
8452 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8453 fold_convert to create a constant of the appropriate type.
8455 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8457 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8458 SYMBOL_REF_IN_BLOCK_P.
8459 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8460 of SYMBOL_FLAG_IN_BLOCK.
8461 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8462 instead of SYMBOL_REF_IN_BLOCK_P.
8463 * explow.c (use_anchored_address): Likewise.
8464 * rtl.c (rtx_size): Likewise.
8465 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8466 instead of SYMBOL_FLAG_IN_BLOCK.
8467 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8468 SYMBOL_REF_IN_BLOCK_P.
8469 (assemble_variable): Likewise.
8470 (output_constant_def_contents): Likewise.
8471 (output_constant_pool): Likewise.
8472 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8473 instead of SYMBOL_FLAG_IN_BLOCK.
8474 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8475 SYMBOL_REF_IN_BLOCK_P.
8476 (SYMBOL_REF_BLOCK): Likewise.
8477 (SYMBOL_REF_OFFSET): Likewise.
8478 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8479 SYMBOL_REF_IN_BLOCK_P.
8480 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8481 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8482 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8483 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8485 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8487 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8489 2006-03-02 Roger Sayle <roger@eyesopen.com>
8491 * simplify-rtx.c (simplify_unary_operation): When simplifying
8492 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8493 that we perform the right shift in the appropriate mode, and
8494 then extend or truncate the result to requested mode.
8496 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8498 * gengtype.c (main): Handle double_int type.
8499 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8500 * double-int.c: New file.
8501 * double-int.h: New file.
8502 * system.h: Include doubleint.h.
8503 * Makefile.in (SYSTEM_H): Include double-int.h.
8504 (double-int.o): Add.
8506 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8508 PR bootstrap/26478
8509 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8510 copying over it.
8512 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8514 * tree-vrp.c (remove_range_assertions): Do not update statements
8515 unnecessarily.
8517 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8519 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8520 cleanup.
8521 * gcse.c (rest_of_handle_gcse): Ditto.
8522 * except.c (gate_handle_eh): Ditto.
8523 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8524 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8526 2006-03-02 Eric Christopher <echristo@apple.com>
8528 * config/i386/i386.c (machopic_output_stub): Add indirection to
8529 jump.
8531 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8533 * loop.c: Removed.
8535 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8537 Sun Niagara specific optimizations.
8538 * config.gcc: Recognize niagara as target.
8539 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8540 (TARGET_CPU_niagara): Define.
8541 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8542 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8543 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8544 (ASM_CPU_SPEC): Likewise.
8545 (PROCESSOR_NIAGARA): New enum entry.
8546 (REGISTER_MOVE_COST): Handle Niagara.
8547 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8548 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8549 (sparc_override_options): Recognize "niagara", set appropriate
8550 default MASK_* values for it, and align functions to 32-bytes
8551 by default just like ULTRASPARC/ULTRASPARC3.
8552 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8553 (sparc64_initialize_trampoline): Likewise.
8554 (sparc_use_sched_lookahead): Use zero for niagara.
8555 (sparc_issue_rate): Use one for niagara.
8556 * config/sparc/niagara.md: New file.
8557 * config/sparc/sparc.md: Include it.
8558 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8559 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8560 when default cpu is niagara.
8561 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8562 (ASM_CPU_SPEC): Likewise.
8563 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8564 when default cpu is niagara.
8565 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8566 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8567 just like v9/ultrasparc/ultrasparc3.
8568 * doc/invoke.texi: Add documentation for "niagara" and improve
8569 existing documentation for ultrasparc variants.
8571 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8573 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8575 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8577 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8578 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8579 and say that only one is needed.
8580 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8581 * target.h (have_switchable_bss_sections): New hook.
8582 * explow.c (use_anchored_address): Check that the symbol is in a block.
8583 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8584 (bss_noswitch_section): New variables.
8585 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8586 (get_noswitch_section): New function.
8587 (get_block_for_section): Allow SECT to be null.
8588 (unlikely_text_section_p): Use SECTION_STYLE.
8589 (bss_initializer_p): New function.
8590 (get_variable_section): Move earlier in file. Take a new argument,
8591 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8592 Return one of the new *_sections in such cases.
8593 (get_block_for_decl): New function, extracting some logic from
8594 use_blocks_for_decl_p.
8595 (change_symbol_section): Remove in favor of...
8596 (change_symbol_block): ...this new function.
8597 (use_blocks_for_decl_p): Remove checks now performed by
8598 get_block_for_decl.
8599 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8600 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8601 (emit_local, emit_bss, emit_common): ...these new functions.
8602 Return true if the alignment was honored.
8603 (emit_tls_common): New function.
8604 (asm_emit_uninitialised): Delete.
8605 (assemble_variable_noswitch): New function, split out from...
8606 (assemble_variable): ...here. Don't make decisions about common
8607 variables here. Globalize all public decls that go into non-common
8608 sections. Check whether SYMBOL_REF_BLOCK is null.
8609 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8610 (output_constant_pool): Likewise.
8611 (init_varasm_once): Initialize the new section variables.
8612 (have_global_bss_p): New function.
8613 (categorize_decl_for_section): Use bss_initializer_p.
8614 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8615 (place_block_symbol): Assert that the symbol must be in a block.
8616 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8617 (TARGET_INITIALIZER): Include it.
8618 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8619 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8620 (SECTION_MACH_DEP): Bump by two.
8621 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8622 (unnamed_section): Mention SECTION_UNNAMED in comment.
8623 (named_section): Likewise SECTION_NAMED.
8624 (noswitch_section_callback): New type.
8625 (noswitch_section): New structure.
8626 (section): Add a noswitch_section alternative.
8627 (SECTION_STYLE): New macro.
8628 (tls_comm_section, comm_section, lcomm_section): Declare.
8629 (bss_noswitch_section, have_global_bss_p): Declare.
8630 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8631 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8632 Override.
8633 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8634 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8635 Override.
8637 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8639 * tree-vrp.c (execute_vrp): Return value.
8640 * regrename.c (rest_of_handle_regrename): Ditto.
8641 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8642 * tree-complex.c (tree_lower_complex): Ditto.
8643 (tree_lower_complex_O0): Ditto.
8644 * tracer.c (rest_of_handle_tracer): Ditto.
8645 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8646 * postreload.c (rest_of_handle_postreload): Ditto.
8647 * tree-tailcall.c (execute_tail_recursion): Ditto.
8648 (execute_tail_calls): Ditto.
8649 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8650 * tree.h (init_function_for_compilation): Ditto.
8651 * ipa-cp.c (ipcp_driver): Ditto.
8652 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8653 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8654 * final.c (compute_alignments): Ditto.
8655 (rest_of_handle_final): Ditto.
8656 (rest_of_handle_shorten_branches): Ditto.
8657 (rest_of_clean_state): Ditto.
8658 * omp-low.c (execute_expand_omp): Ditto.
8659 (execute_lower_omp): Ditto.
8660 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8661 * ipa-reference.c (static_execute): Ditto.
8662 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8663 * reorg.c (rest_of_handle_delay_slots): Ditto.
8664 (rest_of_handle_machine_reorg): Ditto.
8665 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8666 * flow.c (recompute_reg_usage): Ditto.
8667 (rest_of_handle_remove_death_notes): Ditto.
8668 (rest_of_handle_life): Ditto.
8669 (rest_of_handle_flow2): Ditto.
8670 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8671 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8672 (do_ssa_store_ccp): Ditto.
8673 (execute_fold_all_builtins): Ditto.
8674 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8675 * modulo-sched.c (rest_of_handle_sms): Ditto.
8676 * ipa-pure-const.c (static_execute): Ditto.
8677 * cse.c (rest_of_handle_cse): Ditto.
8678 (rest_of_handle_cse2): Ditto.
8679 * web.c (rest_of_handle_web): Ditto.
8680 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8681 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8682 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8683 * tree-nrv.c (tree_nrv): Ditto.
8684 (execute_return_slot_opt): Ditto.
8685 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8686 (create_structure_vars): Ditto.
8687 * loop-init.c (rtl_loop_init): Ditto.
8688 (rtl_loop_done): Ditto.
8689 (rtl_move_loop_invariants): Ditto.
8690 (rtl_unswitch): Ditto.
8691 (rtl_unroll_and_peel_loops): Ditto.
8692 (rtl_doloop): Ditto.
8693 * gimple-low.c (lower_function_body): Ditto.
8694 (mark_used_blocks): Ditto.
8695 * tree-ssa-sink.c (execute_sink_code): Ditto.
8696 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8697 (cgraph_early_inlining): Ditto.
8698 * global.c (rest_of_handle_global_alloc): Ditto.
8699 * jump.c (cleanup_barriers): Ditto.
8700 (purge_line_number_notes): Ditto.
8701 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8702 (rest_of_handle_if_after_reload): Ditto.
8703 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8704 (tree_ssa_loop_im): Ditto.
8705 (tree_ssa_loop_unswitch): Ditto.
8706 (tree_vectorize): Ditto.
8707 (tree_linear_transform): Ditto.
8708 (tree_ssa_loop_ivcanon): Ditto.
8709 (tree_ssa_empty_loop): Ditto.
8710 (tree_ssa_loop_bounds): Ditto.
8711 (tree_complete_unroll): Ditto.
8712 (tree_ssa_loop_prefetch): Ditto.
8713 (tree_ssa_loop_ivopts): Ditto.
8714 (tree_ssa_loop_done): Ditto.
8715 * predict.c (tree_estimate_probability): Ditto.
8716 * recog.c (split_all_insns_noflow): Ditto.
8717 (rest_of_handle_peephole2): Ditto.
8718 (rest_of_handle_split_all_insns): Ditto.
8719 * tree-eh.c (lower_eh_constructs): Ditto.
8720 * regmove.c (rest_of_handle_regmove): Ditto.
8721 (rest_of_handle_stack_adjustments): Ditto.
8722 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8723 * function.c (instantiate_virtual_regs): Ditto.
8724 (init_function_for_compilation): Ditto.
8725 (rest_of_handle_check_leaf_regs): Ditto.
8726 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8727 (rest_of_handle_gcse): Ditto.
8728 * ipa-type-escape.c (type_escape_execute): Ditto.
8729 * alias.c (rest_of_handle_cfg): Ditto.
8730 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8731 * profile.c (rest_of_handle_branch_prob): Ditto.
8732 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8733 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8734 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8735 * tree-dfa.c (find_referenced_vars): Ditto.
8736 * except.c (set_nothrow_function_flags): Ditto.
8737 (convert_to_eh_region_ranges): Ditto.
8738 (rest_of_handle_eh): Ditto.
8739 * emit-rtl.c (unshare_all_rtl): Ditto.
8740 (remove_unnecessary_notes): Ditto.
8741 * except.h (set_nothrow_function_flags): Ditto.
8742 (convert_to_eh_region_ranges): Ditto.
8743 * cfgexpand.c (tree_expand_cfg): Ditto.
8744 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8745 * tree-ssa-pre.c (do_pre): Ditto.
8746 (execute_fre): Ditto.
8747 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8748 (rest_of_handle_jump2): Ditto.
8749 * tree-sra.c (tree_sra): Ditto.
8750 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8751 (execute_mudflap_function_decls): Ditto.
8752 * tree-ssa-copy.c (do_copy_prop): Ditto.
8753 (do_store_copy_prop): Ditto.
8754 * ipa-prop.h (ipcp_driver): Ditto.
8755 * cfglayout.c (insn_locators_initialize): Ditto.
8756 * tree-ssa-forwprop.c
8757 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8758 * cfglayout.h (insn_locators_initialize): Ditto.
8759 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8760 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8761 (execute_late_warn_uninitialized): Ditto.
8762 * rtl.h (cleanup_barriers): Ditto.
8763 (split_all_insns_noflow): Ditto.
8764 (purge_line_number_notes): Ditto.
8765 (unshare_all_rtl): Ditto.
8766 (remove_unnecessary_notes): Ditto.
8767 (recompute_reg_usage): Ditto.
8768 (variable_tracking_main): Ditto.
8769 * integrate.c (emit_initial_value_sets): Ditto.
8770 * integrate.h (emit_initial_value_sets): Ditto.
8771 * tree-optimize.c (execute_free_datastructures): Ditto
8772 (execute_free_cfg_annotations): Ditto.
8773 (execute_fixup_cfg): Ditto.
8774 (execute_cleanup_cfg_pre_ipa): Ditto.
8775 (execute_cleanup_cfg_post_optimizing): Ditto.
8776 (execute_init_datastructures): Ditto.
8777 * tree-object-size.c (compute_object_sizes): Ditto.
8778 * combine.c (rest_of_handle_combine): Ditto.
8779 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8780 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8781 (rest_of_handle_reorder_blocks): Ditto.
8782 (rest_of_handle_partition_blocks): Ditto.
8783 * var-tracking.c (variable_tracking_main): Ditto.
8784 * tree-profile.c (tree_profiling): Ditto.
8785 * tree-vect-generic.c (expand_vector_operations): Ditto.
8786 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8787 * sched-rgn.c (rest_of_handle_sched): Ditto.
8788 (rest_of_handle_sched2): Ditto.
8789 * basic-block.h (free_bb_insn): Ditto.
8790 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8791 * tree-cfg.c (execute_build_cfg): Ditto.
8792 (remove_useless_stmts): Ditto.
8793 (split_critical_edges): Ditto.
8794 (execute_warn_function_return): Ditto.
8795 (execute_warn_function_noreturn): Ditto.
8796 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8797 * cfgrtl.c (free_bb_for_insn): Ditto.
8798 * passes.c (execute_one_pass): Run additional
8799 todos returned by execute function.
8800 * tree-pass.h (struct tree_opt_pass): Make execute
8801 return a value.
8803 2006-03-02 Richard Guenther <rguenther@suse.de>
8805 * tree-ssa-alias.c (find_used_portions): Consider taking
8806 the address as making the variable not write-only.
8808 2006-03-02 Nick Clifton <nickc@redhat.com>
8810 * config.gcc (default_use_cxa_atexit): Extend the description of
8811 this configure variable. Set its default value to "yes" for
8812 Linux, NetBSD and ELF targets on the assumption that they will
8813 use C libraries with the __cxa_atexit function.
8815 2006-03-02 Ben Elliston <bje@au.ibm.com>
8817 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8818 parameter as unused to suppress a build warning.
8820 2006-03-02 Ben Elliston <bje@au.ibm.com>
8822 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8823 config/dfp-bit.c.
8825 2006-03-01 Roger Sayle <roger@eyesopen.com>
8827 PR other/26489
8828 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8829 declared name, the weak reference name, and the typeof name.
8830 (__gthrw): Avoid expanding the declared name suffix.
8831 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8833 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8835 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8836 from DWARF 3.
8837 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8838 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8839 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8840 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8841 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8842 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8843 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8844 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8845 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8846 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8847 (DW_END_default, DW_END_big, DW_END_little): New.
8848 (DW_END_lo_user, DW_END_hi_user): Define.
8849 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8850 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8851 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8852 DW_LANG_D): New.
8854 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8856 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8857 Update all users.
8858 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8859 Update all users.
8860 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8861 Update all users.
8862 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8863 Update all users.
8864 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8865 to 'symbol_mem_tag'.
8866 Update all users.
8867 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8868 rename.
8870 2006-03-01 Roger Sayle <roger@eyesopen.com>
8872 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8874 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8876 PR target/25761
8877 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8878 MACHO_DYNAMIC_NO_PIC_P.
8879 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8881 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8883 PR target/26389
8884 * config/darwin-protos.h (darwin_asm_output_anchor):
8885 Declare.
8886 * config/darwin-sections.def (cstring_section):
8887 Add SECTION_MERGE to the flags.
8888 (literal4_section): Likewise.
8889 (literal8_section): Likewise.
8890 (objc_selector_refs_section): Likewise.
8891 (objc_cls_refs_section): Likewise.
8892 * config/darwin.c (darwin_asm_output_anchor): New
8893 function.
8894 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8896 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8898 Fix PR tree-optimization/26443
8899 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8900 to todo and PROP_tmt_usage to properties_destroyed.
8901 * tree-ssa-ccp.c (pass_ccp): Ditto.
8902 (pass_store_ccp): Ditto.
8903 * tree-ssa-dom.c (pass_dominator): Ditto.
8905 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8907 * tree-ssa-operands.c: Cleanup whitespace.
8908 (get_asm_expr_operands): Move before first invocation.
8909 (get_indirect_ref_operands): Likewise.
8910 (get_tmr_operands): Likewise.
8911 (get_call_expr_operands): Likewise.
8912 (append_def): Likewise.
8913 (append_use): Likewise.
8914 (append_v_may_def): Likewise.
8915 (append_v_must_def): Likewise.
8916 (add_call_clobber_ops): Likewise.
8917 (add_call_read_ops): Likewise.
8918 (add_stmt_operand): Likewise.
8919 (add_virtual_operand): Likewise.
8920 (build_ssa_operands): Likewise.
8922 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8924 PR middle-end/26022
8925 Revert:
8926 PR middle-end/24437
8927 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8928 with a call expr to ...
8929 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8931 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8933 * tree-vrp.c (extract_range_from_assert): Remove special
8934 handling for types with super-types.
8936 2006-03-01 Ben Elliston <bje@au.ibm.com>
8938 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8939 and powerpc64-*-linux* configurations.
8940 * config/t-dfprules: New file.
8942 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8943 Compile dfp-bit.c from the source directory using -DWIDTH and
8944 $DFP_CFLAGS to control the compilation of that file, rather than
8945 generating width-specific versions in the build directory.
8946 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8947 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8949 2006-02-28 Zack Weinberg <zackw@panix.com>
8951 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8952 continues to work.
8954 2006-02-28 Eric Christopher <echristo@apple.com>
8956 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8957 Set up IN_LIBGCC definition of TARGET_64BIT.
8958 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8960 2006-02-28 Roger Sayle <roger@eyesopen.com>
8962 PR middle-end/14752
8963 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8964 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8965 cases via the construction of "expr != 0".
8967 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8969 * alias.c (alias_invariant, alias_invariant_size): Remove.
8970 (record_base_value): Remove.
8971 (memrefs_conflict_p): Don't look at alias_invariant.
8972 (end_alias_analysis): Don't free it.
8973 * alias.h (record_base_value): Remove prototype.
8975 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
8976 Adam Nemet <anemet@caviumnetworks.com>
8978 * rtl.h (truncated_to_mode): Declare it.
8979 (struct rtl_hooks): Add reg_truncated_to_mode hook.
8980 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
8981 (RTL_HOOKS_INITIALIZER): Include it.
8982 * rtlhooks.c (reg_truncated_to_mode_general): New function.
8983 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
8984 reg_truncated_to_mode.
8985 * rtlanal.c (truncated_to_mode): Define it.
8986 * simplify-rtx.c (simplify_unary_operation_1): Use it.
8988 2006-02-28 Jeff Law <law@redhat.com>
8990 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
8991 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
8992 the range allowed by TYPE_PRECISION.
8994 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
8996 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
8998 PR tree-optimization/26419
8999 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9000 values of n.
9002 2006-02-27 Zack Weinberg <zackw@panix.com>
9004 * doc/md.texi: Fix typo in previous change.
9006 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9008 * df.c: Remove.
9010 2006-02-27 Zack Weinberg <zackw@panix.com>
9012 * rtl.def (define_constraint, define_register_constraint)
9013 (define_memory_constraint, define_address_constraint): New MD forms.
9014 * gensupport.c (process_rtx): Put define_constraint etc on the
9015 predicate queue.
9016 * genpreds.c (process_define_predicate): Adjust comment. Validate
9017 the name, and call validate_exp to validate the expression.
9018 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9019 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9020 all callers changed.
9021 (validate_exp, needs_variable, struct constraint_data)
9022 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9023 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9024 (const_dbl_constraints, constraint_max_namelen)
9025 (have_register_constraints, have_memory_constraints)
9026 (have_address_constraints, have_address_constraints)
9027 (have_extra_constraints, have_const_int_constraints)
9028 (have_const_dbl_constraints, mangle, add_constraint)
9029 (process_define_constraint, process_define_register_constraint)
9030 (write_enum_constraint_num, write_lookup_constraint)
9031 (write_insn_constraint_len, write_regclass_for_constraint)
9032 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9033 (write_insn_extra_memory_constraint)
9034 (write_insn_extra_address_constraint)
9035 (write_satisfies_constraint_fns): New.
9036 (write_tm_preds_h): If we have new-style constraint definitions,
9037 prototype the functions generated from them, and define the
9038 old constraint interface (still used by generic code) in terms of
9039 those functions.
9040 (write_insn_preds_c): If we have new-style constraint definitions,
9041 generate all relevant functions from those definitions.
9042 (main): Handle define_constraint etc.
9043 * genoutput.c (struct constraint_data, indep_constraints)
9044 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9045 (mdep_constraint_len): New data structures and functions, defined
9046 #ifdef USE_MD_CONSTRAINTS.
9047 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9048 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9049 use new logic to validate operand constraints against constraint
9050 definitions.
9051 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9052 defined.
9053 * defaults.h: If none of the old-style constraint macros are
9054 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9055 old-style macros; and poison REG_CLASS_FROM_LETTER,
9056 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9057 EXTRA_CONSTRAINT.
9058 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9059 * doc/md.texi: Document new constraint-definition mechanism and the
9060 C interface it provides. Remove references to old mechanism
9061 elsewhere in the document.
9062 (Machine Constraints): Use pathnames relative to gcc directory,
9063 i.e. config/ARCH/FILE. Change i386 section to refer to
9064 config/i386/predicates.md; update that section to match docstrings.
9065 * doc/tm.texi: Move all documentation of the old constraint-
9066 definition macros to their own section, clearly mark as obsolete.
9068 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9069 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9070 definitions.
9071 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9072 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9073 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9074 constraint strings.
9075 (splits and peepholes): Use satisfies_constraint_*.
9076 * config/i386/i386.c (memory_address_length)
9077 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9079 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9081 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9082 scalar operation to be put back into the loop.
9084 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9086 PR other/26208
9087 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9088 (extract_cie_info): Handle S flag in augmentation string.
9089 (execute_cfa_program): If context->signal_frame, execute also
9090 fs->pc == context->ra instructions.
9091 (uw_frame_state_for): If context->signal_frame, don't subtract one
9092 from context->ra to find FDE.
9093 (uw_update_context_1): Set context->signal_frame to
9094 fs->signal_frame.
9095 (_Unwind_GetIPInfo): New function.
9096 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9097 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9098 of _Unwind_GetIP.
9099 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9100 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9101 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9102 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9103 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9104 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9105 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9106 x86_64_fallback_frame_state): Set fs->signal_frame.
9107 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9108 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9109 (frob_update_context): Likewise. Workaround missing S flag in
9110 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9111 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9112 Remove the psw_addr + 1 hack.
9114 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9116 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9117 with aggregates here.
9118 (find_func_aliases): Remove code for &<aggregate> from here.
9120 2006-02-26 Roger Sayle <roger@eyesopen.com>
9122 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9123 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9124 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9125 as (X & C) ne/eq 0.
9127 2006-02-26 Roger Sayle <roger@eyesopen.com>
9129 PR middle-end/19983
9130 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9132 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9134 * opts.c (decode_options): Do not handle flag_strength_reduce.
9135 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9136 and OPT_fstrength_reduce.
9137 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9138 flag_prefetch_loop_arrays for being nonzero.
9139 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9140 no-ops.
9141 (fprefetch-loop-arrays-rtl): Removed.
9142 (flag_prefetch_loop_arrays): Do not specify the value.
9144 * doc/passes.texi: Update documentation of loop optimizer
9145 passes.
9146 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9147 -frerun-loop-opt): Remove.
9149 2006-02-26 Richard Guenther <rguenther@suse.de>
9151 PR tree-optimization/26421
9152 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9153 in function calls that are ADDR_EXPRs as using the whole structure.
9155 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9157 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9158 * tree-pass.h (pass_loop_optimize): Remove.
9159 * passes.c (pass_loop_optimize): Never run it.
9160 * toplev.c (backend_init): Don't call init_loop.
9161 * opts.c (flag_loop_optimize_set): Remove.
9162 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9163 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9164 the old RTL loop optimizer when profiling enabled.
9165 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9166 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9167 pre-headers for the sake of the old RTL loop optimizer.
9168 * Makefile.in: Remove all references to loop.o.
9170 * doc/invoke.texi: Remove all references to -floop-optimize
9171 and -frerun-loop-opt.
9173 2006-02-26 Zack Weinberg <zackw@panix.com>
9175 * doc/md.texi (Machine Constraints): Refer to all files with paths
9176 relative to gcc directory (i.e. config/CPU/file). Add missing
9177 @table @code ... @end table to M32C subsection.
9179 2006-02-26 Roger Sayle <roger@eyesopen.com>
9181 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9182 (X & 1) == 0.
9183 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9185 2006-02-26 Roger Sayle <roger@eyesopen.com>
9186 James A. Morrison <phython@gcc.gnu.org>
9188 PR middle-end/21137
9189 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9190 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9191 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9192 signedness of the shift operation.
9194 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9196 PR tree-optimization/26359
9197 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9199 2006-02-25 Roger Sayle <roger@eyesopen.com>
9201 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9202 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9203 as X == 0, and some symmetry related transformations.
9204 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9206 2006-02-25 Roger Sayle <roger@eyesopen.com>
9208 PR middle-end/23673
9209 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9210 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9211 symmetry related transformations. Fold (X^C1) == C2 as
9212 X == (C1^C2).
9214 2006-02-25 Juergen Weigert <jw@suse.de>
9215 Richard Guenther <rguenther@suse.de>
9217 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9219 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9221 * combine.c (gen_lowpart_or_truncate): Call
9222 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9224 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9226 * doc/invoke.texi: Move -fopenmp description to "Options for
9227 Code Generation".
9228 Remove reference to -lgomp.
9230 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9232 * doc/install.texi: Require GNU tar version 1.14.
9234 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9236 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9237 * doc/invoke.texi (C++ Dialect Options): Document
9238 -fno-use-cxa-get-exception-ptr.
9239 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9240 * configure: Regenerate.
9241 * c.opt (fuse-cxa-get-exception-ptr): New.
9242 * c-opts.c (c_common_handle_option): Handle
9243 OPT_fuse_cxa_get_exception_ptr.
9244 * c-common.c (flag_use_cxa_atexit): Update documentation.
9245 (flag_use_cxa_get_exception_ptr): New.
9246 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9247 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9248 documentation.
9249 (C_COMMON_OVERRIDE_OPTIONS): New.
9251 2006-02-24 Roger Sayle <roger@eyesopen.com>
9253 PR middle-end/24952
9254 * combine.c (try_combine): Explicitly check whether GET_CODE is
9255 a SET or a CLOBBER, instead on checking that it isn't a USE.
9257 2006-02-24 Roger Sayle <roger@eyesopen.com>
9259 * fold-const.c (fold_comparison): New subroutine of fold_binary
9260 containing transformations common to both the equality and
9261 ordering relational operators, factored out of fold_binary.
9262 (fold_binary): Separate out the equality operators (EQ_EXPR
9263 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9264 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9265 transformations common to both.
9266 (fold_div_compare): Fix latent bugs in the previously unreachable
9267 LT_EXPR and GE_EXPR cases.
9269 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9271 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9272 decl libname for clog to __clog on AIX.
9274 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9276 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9278 PR target/26453
9279 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9280 output traceback table for thunks. Localise rs6000_stack_info call.
9282 2006-02-23 Roger Sayle <roger@eyesopen.com>
9283 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9285 * gthr-posix.h (__gthrw): Fix typo in comment.
9287 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9289 * doc/cpp.texi (Character sets): Document that we do support
9290 input files to be in any character set.
9292 2006-02-23 Jeff Law <law@redhat.com>
9294 * tree.h (PHI_ARG_NONZERO): Remove.
9295 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9296 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9297 node to the new node.
9299 PR tree-optimization/26425
9300 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9301 min/max, then assume its varying.
9303 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9305 PR rtl-optimization/26316
9306 * rtlanal.c (enum may_trap_p_flags): New.
9307 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9308 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9309 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9310 (may_trap_after_code_motion_p): New function.
9311 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9312 (find_invariant_insn): Use may_trap_after_code_motion_p.
9313 * rtl.h (may_trap_after_code_motion_p): Declare.
9315 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9317 * emit-rtl.c (immed_double_const): Cleanup.
9319 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9321 Fix PR tree-optimization/26376
9322 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9323 remove assert.
9325 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9327 PR middle-end/26412
9328 * gimplify.c (omp_add_variable): Guard variable size decl test with
9329 DECL_SIZE (decl) check.
9331 2006-02-23 Richard Guenther <rguenther@suse.de>
9333 PR middle-end/26439
9334 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9335 like aggregate types.
9337 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9339 * configure.ac: Add --with{,out}-long-double-128 configure option.
9340 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9341 * configure: Rebuilt.
9342 * config.in: Rebuilt.
9343 * doc/install.texi (Options specification): Document
9344 --with-long-double-128.
9346 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9347 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9348 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9349 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9351 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9353 * config/s390/s390.c (override_options): Handle
9354 TARGET_DEFAULT_LONG_DOUBLE_128.
9356 * config/alpha/alpha.c (override_options): Handle
9357 TARGET_DEFAULT_LONG_DOUBLE_128.
9359 * config/sparc/sparc.c (sparc_override_options): Handle
9360 TARGET_DEFAULT_LONG_DOUBLE_128.
9362 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9364 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9365 (real-install-headers-tar, real-install-headers-cpio)
9366 (real-install-headers-cp): New targets.
9368 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9370 * tree.h (variable_section): Delete.
9371 * varasm.c (variable_section): Delete.
9373 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9375 * install.texi: Add notes on install.texi2html.
9376 (Building in parallel): Do not use footnotes.
9378 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9380 PR libgomp/26234
9381 * doc/install.texi (Configuration): Document --disable-libgomp.
9383 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9385 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9387 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9389 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9390 (vec_extractv2df_0_sse): New.
9392 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9394 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9395 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9396 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9397 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9398 to the result of the expression.
9399 (def_cfa_1): Adjust.
9400 (frame_pointer_cfa_offset): Rename to...
9401 (frame_pointer_fb_offset): ... this. Adjust all uses.
9402 (convert_cfa_to_loc_list): Rename to...
9403 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9404 Pass it on to build_cfa_loc.
9405 (compute_frame_pointer_to_cfa_displacement): Rename to...
9406 (compute_frame_pointer_to_fb_displacement): ... this. New
9407 offset parameter. Use it in computation.
9408 (gen_subprogram_die): Compute cfa_fb_offset with the new
9409 macro, and use it to compute the fb loc list and the
9410 displacement.
9412 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9414 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9415 replaced with register_operand.
9416 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9417 non-DREG is expensive.
9418 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9419 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9420 involving memory.
9422 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9424 * doc/install.texi2html: Use set -e.
9426 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9428 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9429 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9430 * doc/invoke.texi (-fshared-data): Delete.
9431 * common.opt (fshared-data): Delete.
9432 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9433 (assemble_static_space): Remove #if 0 code.
9434 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9435 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9436 * config/cris/cris.h: Remove FIXME.
9438 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9440 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9441 hooks.
9443 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9445 PR middle-end/26379
9446 * combine.c (simplify_shift_const_1): Disable nested shifts
9447 optimization for vector shifts.
9449 2006-02-20 Roger Sayle <roger@eyesopen.com>
9451 PR tree-optimization/26361
9452 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9453 of unsigned integer types.
9455 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9457 * tree-chrec.c (eq_evolutions_p): New.
9458 * tree-chrec.h (eq_evolutions_p): Declared.
9459 * tree-data-ref.c: Fix formatting.
9460 (datadep_stats, dependence_stats): New.
9461 (gcd): Moved...
9462 (print_direction_vector): New.
9463 (dump_data_dependence_relation): Use print_direction_vector.
9464 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9465 (compute_subscript_distance): Static.
9466 (initialize_data_dependence_relation): Static. Get the number
9467 of loops surrounding the references from the callers, and initialize
9468 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9469 base_object_differ_p analyzers.
9470 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9471 compute_overlap_steps_for_affine_1_2,
9472 analyze_subscript_affine_affine): Count the classified dependences.
9473 Print a message when a test failed.
9474 (can_use_analyze_subscript_affine_affine): New.
9475 (analyze_siv_subscript): Compute the data dependences on symbolic
9476 scevs that verify can_use_analyze_subscript_affine_affine.
9477 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9478 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9479 Handle symbolic scevs.
9480 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9481 analyzed.
9482 (subscript_dependence_tester): Moved...
9483 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9484 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9485 DDR_SIZE_VECT instead of getting it in parameter.
9486 (subscript_dependence_tester): ... here. Take as a parameter
9487 loop_nest_depth. Call build_classic_dist_vector and
9488 build_classic_dir_vector.
9489 (compute_affine_dependence): Update subscript_dependence_tester
9490 parameters. Update datadep_stats counters. Call
9491 compute_subscript_distance.
9492 (compute_self_dependence): Save the dist and dir vectors. Call
9493 compute_subscript_distance.
9494 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9495 (compute_all_dependences): Reorder parameters as they were before
9496 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9497 compute_subscript_distance. Update the use of
9498 compute_affine_dependence and initialize_data_dependence_relation.
9499 (find_data_references_in_loop): Handle COMPONENT_REF.
9500 (compute_data_dependences_for_loop): Initialize dependence_stats.
9501 Don't call build_classic_dist_vector and build_classic_dir_vector.
9502 Update the parameters of initialize_data_dependence_relation and
9503 compute_all_dependences. Print the statistics from datadep_stats.
9504 (analyze_all_data_dependences): Static. Not used until the pass for
9505 checking the data dependences is contributed.
9506 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9507 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9508 (initialize_data_dependence_relation, compute_affine_dependence,
9509 analyze_all_data_dependences, compute_subscript_distance): Removed.
9510 (print_direction_vector): New.
9511 * lambda.h (gcd): ... here.
9512 (lambda_vector_gcd): Moved here from gcd_vector.
9513 * lambda-code.c (gcd, gcd_vector): Removed.
9514 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9515 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9517 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9519 * ipa-type-escape.c: Tidy some comments and white space.
9520 * tree-ssa-operands.c: Likewise.
9522 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9524 PR tree-opt/25879
9525 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9526 (dump_decl_name): Do not walk the decl tree chains.
9527 * tree-pass.h (TDF_CHAIN): Remove.
9529 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9531 * Makefile.in (C): Remove
9532 (PROTO): Remove
9533 (.PHONY): Remove C and PROTO
9535 2006-02-20 Roger Sayle <roger@eyesopen.com>
9537 PR middle-end/26236
9538 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9539 deprecated CHAR_TYPE tree code.
9541 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9543 * configure.ac (target_list): Add install-info, dvi, html.
9544 * configure: Regenerate.
9546 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9547 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9548 treelang/Make-lang.in: Do not use double-colon rules.
9550 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9552 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9553 (TMT_USED_ALONE): New macro.
9554 * tree-pass.h (PROP_tmt_usage): New property.
9555 (TODO_update_tmt_usage): New todo.
9556 * tree-ssa-alias.c (updating_used_alone): New variable.
9557 (recalculate_used_alone): New function.
9558 (compute_may_aliases): Set updating_used_alone, call
9559 recalculate_used_alone.
9560 * tree-sra.c (pass_sra): Note that this pass destroys
9561 PROP_tmt_usage, and add TODO_update_tmt_usage.
9562 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9563 * tree-flow.h (updating_used_alone): Prototype.
9564 (recalculate_used_alone): Ditto.
9565 * passes.c (execute_todo): Add code to set updating_used_alone,
9566 and call recalculate.
9567 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9568 for clobber if used alone, and add assert to verify used_alone
9569 status.
9571 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9573 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9574 for non tls symbols added.
9575 (legitimize_address): Do nothing for PLUS expressions if one of the
9576 addends is a tls symbol reference.
9578 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9580 PR bootstrap/25476
9582 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9584 * Makefile.in (BOOTSTRAPPING): New.
9585 (quickstrap): New definition if BOOTSTRAPPING=yes.
9587 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9588 * configure.ac: Substitute all_selected_languages with the languages
9589 that were configured. For all the other variables except
9590 lang_specs_files, include all the languages in the tree.
9591 * configure: Regenerate.
9593 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9594 if there is one. Run the commands to run fixincludes in the same
9595 subshell.
9597 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9598 * doc/install.texi: Document exact conventions for searching target tools.
9599 Document --with-build-time-tools. Document toplevel bootstrap. Document
9600 something more about building an Ada cross-compiler. Don't list GNU Make
9601 requirements which affect all platforms.
9603 2006-02-19 Roger Sayle <roger@eyesopen.com>
9605 PR middle-end/19543
9606 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9607 only equivalent if the have both the same mode and precision.
9609 2006-02-20 Ben Elliston <bje@au.ibm.com>
9611 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9613 2006-02-19 Roger Sayle <roger@eyesopen.com>
9614 Steven Bosscher <stevenb.gcc@gmail.com>
9616 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9617 constant pool references to identify stack mode constants.
9618 * rtlanal.c (constant_pool_constant_p): New predicate to check
9619 whether operand is a floating point constant in the pool.
9620 * rtl.h (constant_pool_constant_p): Prototype here.
9621 * loop.c (scan_loop): Avoid hoisting constants from the constant
9622 pool on STACK_REGS targets.
9623 (load_mems): Likewise.
9624 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9625 loads into x87 registers expensive in terms of register pressure.
9627 2006-02-19 Roger Sayle <roger@eyesopen.com>
9629 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9630 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9632 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9634 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9635 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9637 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9639 * doc/invoke.texi: Document -fipa-pta.
9640 * common.opt: Add ipa-pta option.
9641 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9642 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9643 (do_ds_constraint): Ditto.
9644 (get_constraint_for): Only add to referenced_vars if
9645 referenced_vars exists.
9646 (insert_into_field_list): Rewrite to do this unsorted.
9647 (insert_into_field_list_sorted): Rename old insert_into_field_list
9648 to this.
9649 (create_function_info_for): Use insert_into_field_list_sorted.
9650 (create_variable_info_for): Rewrite so it uses unsorted version,
9651 since the field list is sorted.
9652 (intra_create_variable_infos): Only add to referenced_vars if
9653 referenced_vars exists.
9654 (ipa_pta_execute): Init heapvars, and delete when done.
9655 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9657 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9659 * doc/install.texi: Add missing `@samp'.
9661 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9663 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9664 Use the arguments.
9666 2006-02-18 Mark Wielaard <mark@klomp.org>
9668 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9669 who added new 4.1 features, bug fixes and integration support.
9671 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9673 PR target/26350
9674 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9675 MEM for ABI_V4 pic.
9677 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9679 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9680 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9681 (copy_insn_1): Likewise. Don't copy each field individually.
9682 Reindent.
9683 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9684 of RTX_SIZE.
9685 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9686 * rtl.c (rtx_size): Rename variable to...
9687 (rtx_code_size): ...this.
9688 (rtx_size): New function.
9689 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9690 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9691 Reindent.
9692 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9693 * rtl.h (rtx_code_size): New variable.
9694 (rtx_size): Change from a variable to a function.
9695 (RTX_SIZE): Rename to...
9696 (RTX_CODE_SIZE): ...this.
9698 PR target/9703
9699 PR tree-optimization/17106
9700 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9701 (Anchored Addresses): New section.
9702 * doc/invoke.texi (-fsection-anchors): Document.
9703 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9704 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9705 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9706 * hooks.c (hook_bool_mode_rtx_false): New function.
9707 * hooks.h (hook_bool_mode_rtx_false): Declare.
9708 * gengtype.c (create_optional_field): New function.
9709 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9710 SYMBOL_REF_IN_BLOCK_P is true.
9711 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9712 (min_anchor_offset, max_anchor_offset): Likewise.
9713 (use_anchors_for_symbol_p): New hook.
9714 * toplev.c (compile_file): Call output_object_blocks.
9715 (target_supports_section_anchors_p): New function.
9716 (process_options): Check that -fsection-anchors is only used on
9717 targets that support it and when -funit-at-a-time is in effect.
9718 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9719 if the decl doesn't have one.
9720 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9721 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9722 of force_const_mem through use_anchored_address.
9723 (expand_expr_constant): New function.
9724 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9725 calling expand_expr for INDIRECT_REF.
9726 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9727 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9728 * expr.h (use_anchored_address): Declare.
9729 * loop-unroll.c: Don't declare rtx vectors here.
9730 * explow.c: Include output.h.
9731 (validize_mem): Call use_anchored_address.
9732 (use_anchored_address): New function.
9733 * common.opt (-fsection-anchors): New switch.
9734 * varasm.c (object_block_htab, anchor_labelno): New variables.
9735 (hash_section, object_block_entry_eq, object_block_entry_hash)
9736 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9737 (use_blocks_for_decl_p, change_symbol_section): New functions.
9738 (get_variable_section): New function, split out from assemble_variable.
9739 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9740 use_blocks_for_decl_p say so. Use change_symbol_section if the
9741 symbol has already been created.
9742 (assemble_variable_contents): New function, split out from...
9743 (assemble_variable): ...here. Don't output any code for
9744 block symbols; just pass them to place_block_symbol.
9745 Use get_variable_section and assemble_variable_contents.
9746 (get_constant_alignment, get_constant_section, get_constant_size): New
9747 functions, split from output_constant_def_contents.
9748 (build_constant_desc): Create a block symbol if use_object_blocks_p
9749 says so. Or into SYMBOL_REF_FLAGS.
9750 (assemble_constant_contents): New function, split from...
9751 (output_constant_def_contents): ...here. Don't output any code
9752 for block symbols; just pass them to place_section_symbol.
9753 Use get_constant_section and get_constant_alignment.
9754 (force_const_mem): Create a block symbol if use_object_blocks_p and
9755 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9756 (output_constant_pool_1): Add an explicit alignment argument.
9757 Don't switch sections here.
9758 (output_constant_pool): Adjust call to output_constant_pool_1.
9759 Switch sections here instead. Don't output anything for block symbols;
9760 just pass them to place_block_symbol.
9761 (init_varasm_once): Initialize object_block_htab.
9762 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9763 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9764 (place_block_symbol, get_section_anchor, output_object_block)
9765 (output_object_block_htab, output_object_blocks): New functions.
9766 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9767 (TARGET_ASM_OUT): Include it.
9768 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9769 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9770 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9771 (TARGET_INITIALIZER): Include them.
9772 * rtl.c (rtl_check_failed_block_symbol): New function.
9773 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9774 (block_symbol, object_block): New structures.
9775 (rtx_def): Add a block_symbol field to the union.
9776 (BLOCK_SYMBOL_CHECK): New macro.
9777 (rtl_check_failed_block_symbol): Declare.
9778 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9779 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9780 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9781 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9782 * output.h (output_section_symbols): Declare.
9783 (object_block): Name structure.
9784 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9785 (default_use_anchors_for_symbol_p): Declare.
9786 * Makefile.in (RTL_BASE_H): Add vec.h.
9787 (explow.o): Depend on output.h.
9788 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9789 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9790 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9791 (rs6000_use_blocks_for_constant_p): New function.
9793 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9795 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9797 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9799 PR tree-opt/25680
9800 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9801 IMAGPART_EXPR.
9803 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9805 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9806 is_aliased.
9807 Update all users.
9809 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9811 PR middle-end/26334
9812 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9813 instead of DECL_REGISTER.
9815 2006-02-18 Olivier Hainque <hainque@adacore.com>
9817 PR ada/13408
9818 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9820 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9822 PR target/24837
9823 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9824 * opth-gen.awk: Handle Var and InverseMask together.
9825 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9826 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9827 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9828 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9829 used together.
9830 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9831 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9832 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9833 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9834 LINUX_DYNAMIC_LINKER): Define.
9835 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9836 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9837 TARGET_GLIBC.
9838 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9839 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9840 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9841 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9842 (TARGET_C99_FUNCTIONS): Don't define.
9843 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9844 GLIBC_DYNAMIC_LINKER.
9845 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9846 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9847 GLIBC_DYNAMIC_LINKER64): Define.
9848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9849 LINUX_DYNAMIC_LINKER64.
9850 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9851 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9852 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9853 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9854 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9855 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9856 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9857 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9858 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9860 and LINUX_DYNAMIC_LINKER32.
9861 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9863 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9864 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9865 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9866 TARGET_GLIBC.
9867 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9868 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9869 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9870 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9871 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9872 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9873 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9874 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9875 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9876 LINUX_DYNAMIC_LINKER): Define.
9877 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9878 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9879 GLIBC_DYNAMIC_LINKER64): Define.
9880 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9881 LINUX_DYNAMIC_LINKER64.
9882 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9883 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9884 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9885 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9886 LINUX_DYNAMIC_LINKER): Define.
9887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9888 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9889 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9890 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9891 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9892 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9893 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9894 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9895 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9896 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9898 * doc/invoke.texi (-muclibc): Remove caveat about supported
9899 targets.
9901 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9903 * doc/cpp.texi (__TIMESTAMP__): Document.
9905 2006-02-17 Roger Sayle <roger@eyesopen.com>
9907 PR middle-end/25600
9908 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9909 C is one less than the width of X (and related transformations).
9910 * simplify-rtx.c (simplify_unary_operation_1): Transform
9911 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9912 depending on STORE_FLAG_VALUE, were C is one less then the
9913 width of X.
9915 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9917 Fix PR tree-optimization/26341
9918 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9919 about NAME_MEMORY_TAG's.
9921 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9923 PR target/26255
9924 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9925 with hardware float support, and software float support. Add fcpy
9926 alternative to hardware patterns. Add alternatives to copy between
9927 general and floating-point registers to the 32-bit pattern.
9928 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9929 secondary reload to load a QI or HI mode constant into a floating
9930 point register.
9931 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9932 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9934 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9936 PR target/26272
9937 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9938 pc to the pattern.
9939 (load_macho_picbase_di): Likewise.
9941 2006-02-16 Jeff Law <law@redhat.com>
9943 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9944 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9945 (ssa_name_nonzero_p): Likewise.
9946 (get_value_range): Return NULL if VRP is not running.
9947 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9948 VRP routines do not discover a range.
9949 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9950 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9951 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9952 (tree_expr_nonnegative_p): Similarly.
9953 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9954 (restore_nonzero_vars_to_original_value): Remove.
9955 (unsafe_associative_fp_binop): Remove.
9956 (tree_ssa_dominator_optimize): Remove initialization and
9957 finalization of nonzero_vars and nonzero_vars_stack.
9958 (dom_opt_initialize_block): No longer push marker on
9959 nonzero_vars_stack.
9960 (dom_opt_finalize_block): No longer call
9961 restore_nonzero_vars_to_original_value.
9962 (record_equivalences_from_phis): No longer look for
9963 nonzero PHI arguments.
9964 (cprop_into_successor_phis): No longer propagate nonzero
9965 property into PHI arguments. Lose unused argument. Caller
9966 updated.
9967 (record_equivalences_from_stmt): No longer record nonzero
9968 values for SSA_NAMEs.
9969 (lookup_avail_expr): No longer use nonzero_vars.
9971 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9972 for sizetype when sizetype is unsigned.
9974 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
9976 PR rtl-optimization/25603
9977 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
9978 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
9979 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
9980 with new meaning of SETS.
9982 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
9984 PR target/20353
9985 PR target/24578
9986 PR target/24837
9987 * config/linux.opt: New file.
9988 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
9989 LINUX_DYNAMIC_LINKER): Define.
9990 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
9991 * config.gcc (*-*-linux*): Define extra_options.
9992 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
9993 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
9994 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
9995 GLIBC_DYNAMIC_LINKER.
9996 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
9997 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9998 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9999 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10000 * doc/invoke.texi (GNU/Linux Options): New section.
10002 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10004 * config/sparc/sparc.md (setjmp): Rewrite.
10005 (setjmp_32): Delete.
10006 (setjmp_64): Likewise.
10008 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10010 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10011 previous change.
10013 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10015 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10016 read-write uses.
10018 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10020 PR rtl-optimization/26296
10021 * Makefile.in (loop-invariant.c): Add except.h dependency.
10022 * loop-invariant.c: Include except.h.
10023 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10025 2005-02-16 Paul Brook <paul@codesourcery.com>
10027 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10028 for reloads.
10030 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10032 PR rtl-optimization/25636
10033 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10034 when deciding whether an insn is an initializing insn.
10036 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10038 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10039 (tree_code_size): Ditto.
10040 * tree.h (struct tree_memory_tag): Remove parent_var.
10041 (struct tree_struct_field_tag): New.
10042 (SFT_OFFSET): New.
10043 (SFT_SIZE): New.
10044 (union tree_node): Add sft member.
10045 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10046 specially here.
10047 (create_sft): Add size and offset argument, set SFT_OFFSET and
10048 SFT_SIZE.
10049 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10050 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10051 * tree-flow-inline.h (get_subvar_at): Update for
10052 SFT_OFFSET/SFT_SIZE.
10053 (var_can_have_subvars): Ditto.
10054 (overlap_subvar): Ditto.
10055 * print-tree.c (print_node): Print out interesting things for
10056 SFT's.
10057 * tree-flow.h (struct subvar): Remove offset and size members.
10058 * tree-ssa-operands.c (get_expr_operands): Update for
10059 get_indirect_ref_operands changes.
10060 (get_indirect_ref_operands): Call add_virtual_operand instead of
10061 add_stmt_operand. Only recurse on base var if requested.
10062 (access_can_touch_variable): New function.
10063 (add_stmt_operand): Split virtual operand handling into ...
10064 (add_virtual_operand): Here. Add offset, size, and for_clobber
10065 arguments. Prune alias sets.
10066 (add_call_clobber_ops): Call add_virtual_operand.
10068 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10070 PR middle-end/26300
10071 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10073 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10074 than TREE_CODE as index into omp_clause_num_ops array.
10076 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10078 PR rtl-optimization/26184
10079 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10080 uses_of_defs.
10081 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10082 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10083 must_precede, must_follow and tobe_scheduled.
10085 PR other/26147
10086 * opts.c (common_handle_option): Free new_option pointer.
10087 * df-core.c (df_analyze): Free postorder pointer.
10089 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10091 * Makefile.in: Fix the examples about the use of stamps
10093 2006-02-15 Michael Matz <matz@suse.de>
10095 PR middle-end/22275
10097 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10098 influenced by maximum_field_alignment or DECL_PACKED.
10099 (update_alignment_for_field): Ditto.
10100 (place_field): Ditto.
10101 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10102 this behaviour.
10104 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10106 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10107 (debug_flow_info): Pass it.
10108 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10109 * bb-reorder.c (reorder_basic_blocks): Likewise.
10110 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10111 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10112 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10113 * gcse.c (gcse_main, bypass_jumps): Likewise.
10114 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10115 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10116 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10117 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10118 * rtl.h (dump_flow_info): Adjust prototype.
10119 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10120 * var-tracking.c (variable_tracking_main): Likewise.
10121 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10122 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10123 options.
10125 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10127 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10128 construction.
10130 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10132 PR tree-optimization/26209
10133 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10134 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10135 eh edges.
10136 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10138 2006-02-14 Roger Sayle <roger@eyesopen.com>
10140 PR middle-end/23670
10141 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10142 (X,Y) and the corresponding symmetry related transformations.
10143 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10144 (X,Y) and its symmetry related transformations.
10146 2006-02-14 Roger Sayle <roger@eyesopen.com>
10148 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10149 and GEU.
10151 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10153 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10155 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10157 PR bootstrap/26053
10158 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10159 support COMDAT group.
10160 * configure: Regenerate.
10162 2006-02-14 Roger Sayle <roger@eyesopen.com>
10164 PR middle-end/26279
10165 PR middle-end/26280
10166 PR middle-end/26283
10167 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10169 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10171 Fix PR tree-optimization/26260
10173 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10174 param.
10175 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10176 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10177 * tree-ssa-structalias.c (create_variable_info_for): Use
10178 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10180 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10182 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10183 Document.
10184 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10185 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10186 of the ending condition.
10187 * tree-ssa-loop-manip.c: Include params.h.
10188 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10189 tree_unroll_loop): New functions.
10190 * tree-pass.h (pass_loop_prefetch): Declare.
10191 * loop.c (rest_of_handle_loop_optimize): Test for
10192 -fprefetch-loop-arrays-rtl.
10193 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10194 * timevar.def (TV_TREE_PREFETCH): New timevar.
10195 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10196 pass_loop_prefetch): New.
10197 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10198 (cleanup_tree_cfg_loop): Call scev_reset.
10199 * common.opt (fprefetch-loop-arrays-rtl): Add.
10200 * tree-ssa-loop-prefetch.c: New file.
10201 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10202 (new_temp_expr_table): Initialize expr_vars.
10203 (free_temp_expr_table): Cleanup expr_vars.
10204 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10205 expressions from being merged into one.
10206 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10207 (struct tree_niter_desc): Add control, bound and cmp fields.
10208 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10209 Declare.
10210 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10211 (tree-cfgcleanup.o): Add SCEV_H dependency.
10212 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10213 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10215 2006-02-14 Richard Guenther <rguenther@suse.de>
10217 PR tree-optimization/26258
10218 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10219 in PHI argument processing.
10221 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10223 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10224 new expression in the requested machine mode.
10226 2006-02-13 Roger Sayle <roger@eyesopen.com>
10228 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10229 directly, instead let do_compare_rtx_and_jump handle this for us.
10230 * expr.c (expand_expr_real_1): Likewise.
10231 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10232 before do_jump_by_parts_greater.
10233 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10234 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10236 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10238 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10240 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10242 PR rtl-optimization/26235
10243 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10244 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10245 format.
10247 2006-02-13 Jeff Law <law@redhat.com>
10249 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10250 TRUTH_XOR_EPR.
10252 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10254 PR middle-end/26092
10255 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10256 twice if decl is a builtin. When trying again, call get_callee_fndecl
10257 first to verify it is still a builtin.
10259 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10261 * dwarf2out.c (base_type_die): Don't add AT_name here.
10262 (subrange_type_die): Don't add AT_name here.
10263 (modified_type_die): Rearrange code flow. Do add AT_name here.
10265 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10267 PR rtl-optimization/26247
10268 PR rtl-optimization/26248
10269 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10271 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10273 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10274 * config/fixtfdi.c: Likewise.
10275 * config/fixunstfdi.c: Likewise.
10276 * config/floatditf.c: Likewise.
10278 2006-02-13 Roger Sayle <roger@eyesopen.com>
10280 PR middle-end/24427
10281 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10282 into (X,C2) if C1 is a subset of the bits of C2. Transform
10283 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10284 (X&(C1&~C2))|C2.
10285 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10287 2006-02-13 Josh Conner <jconner@apple.com>
10289 PR target/25376
10290 * varasm.c (function_section): Check for section name before
10291 calling select_section on targets that define
10292 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10293 unlikely_text_section instead of hot_function_section if
10294 first_function_block_is_cold.
10296 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10298 PR middle-end/25335
10299 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10301 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10303 PR rtl-optimization/26222
10304 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10305 after tree->rtl expansion.
10306 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10307 before passing it to emit_move_insn.
10309 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10311 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10312 default.
10313 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10314 Clarify documentation.
10315 * c-common.h (warn_write_strings): Remove.
10316 * c-common.c (warn_write_strings): Likewise.
10317 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10318 default for C++.
10320 2006-02-12 Roger Sayle <roger@eyesopen.com>
10322 PR middle-end/25724
10323 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10324 (do_jump_parts_zero_rtx): New function renamed from
10325 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10326 (do_jump_parts_equality_rtx): New function split out from
10327 do_jump_parts_equality. Old implementation renamed as above.
10328 Call do_jump_parts_zero_rtx if either operand is zero.
10329 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10330 do all of the heavy lifting.
10331 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10332 calling either do_jump_by_parts_greater_rtx or
10333 do_jump_by_parts_equality_rtx.
10334 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10335 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10336 moved to do_compare_rtx_and_jump, call it directly.
10337 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10338 mode argument. Call do_compare_rtx_and_jump.
10339 (emit_case_nodes): Update calls to do_jump_if_equal.
10341 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10343 PR rtl-optimization/26225
10344 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10346 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10348 PR rtl-optimization/26232
10349 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10351 2006-02-11 Jason Merrill <jason@redhat.com>
10353 PR tree-opt/24365
10354 * tree-inline.c (declare_return_variable): Just don't use the
10355 modify target if it's a gimple complex reg and the return slot
10356 isn't.
10358 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10360 * doc/contrib.texi: Update my entry.
10362 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10364 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10366 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10368 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10369 expensive.
10371 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10373 * doc/invoke.texi (-floop-optimize2): Removed.
10374 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10375 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10376 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10377 * common.opt (floop-optimize2): Removed.
10378 (fmove-loop-invariants): Enabled by default.
10380 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10382 * tree-if-conv.c (combine_blocks): Free the result of
10383 get_loop_exit_edges.
10385 2006-02-10 Jeff Law <law@redhat.com>
10387 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10389 PR tree-optimization/26213
10390 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10391 loop trying to follow SSA_NAME_VALUE chains.
10393 2006-02-10 Richard Guenther <rguenther@suse.de>
10395 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10396 deal with structures that end in implicitly variable sized arrays.
10398 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10400 PR rtl-optimization/24762
10401 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10402 eh edges.
10404 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10406 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10407 (struct ivopts_data): Add regs_used field.
10408 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10409 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10410 instead of loop_data->regs_used;
10411 (free_loop_data): Do not free aux fields for loops.
10412 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10413 and tree_ssa_iv_optimize_finalize.
10415 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10417 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10419 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10421 PR target/26141
10422 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10423 computing the effective result type.
10425 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10427 PR inline-asm/16194
10428 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10429 (tree_overlaps_hard_reg_set): Declare.
10430 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10431 type and signature to match function type expected by walk_tree.
10432 (tree_overlaps_hard_reg_set): New function.
10433 (decl_conflicts_with_clobbers_p): Rename to:
10434 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10435 Use tree_overlaps_hard_reg_set. Changed caller.
10436 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10437 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10438 * cris.c (cris_md_asm_clobbers): Likewise.
10440 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10442 * reload1.c (emit_input_reload_insns): Delete code that tries to
10443 inherit using find_equiv_reg.
10445 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10447 * c-common.h (flag_const_strings): Don't declare.
10448 * c-common.c (flag_const_strings): Remove.
10449 * c.opt (fconst_strings): Remove.
10450 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10451 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10452 (c_common_init_options): Don't set flag_const_strings.
10453 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10455 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10457 * arm.md (tlobits_cbranch): New pattern.
10458 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10459 testing a single bit.
10461 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10463 PR tree-opt/26179
10464 * tree-ssa-pre.c (create_component_ref_by_pieces):
10465 Handle RETURN_DECL like VAR_DECL.
10467 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10469 PR middle-end/26134
10470 * fold-const.c (fold_indirect_ref_1): Fold
10471 "*(foo *)&complexfoo" to "__real__ complexfoo"
10472 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10474 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10476 * tree-flow-inline.h (var_can_have_subvars):
10477 Volatile variables should not have subvariables.
10479 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10481 PR 26180
10482 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10483 multiplying unsigned values.
10484 Tidy comments.
10486 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10488 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10490 2006-02-08 Jason Merrill <jason@redhat.com>
10492 PR c++/25979
10493 * tree.def: Elaborate on difference from MODIFY_EXPR.
10494 * doc/c-tree.texi (INIT_EXPR): Likewise.
10495 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10496 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10497 (gimplify_target_expr): Likewise.
10498 (gimplify_cond_expr): Remove target handling.
10499 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10500 (gimplify_expr): Clobber it here.
10501 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10502 Do return slot optimization if we have an INIT_EXPR.
10504 PR tree-opt/24365
10505 * tree-inline.c (declare_return_variable): Also clear
10506 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10508 PR c++/16405
10509 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10511 PR middle-end/22439
10512 * gimplify.c (gimplify_one_sizepos): Fix typo.
10514 2006-02-08 Jeff Law <law@redhat.com>
10516 PR tree-optimization/21417
10517 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10518 across a backedge if the control statement at the end of the
10519 block is data dependent on other statements in the same block.
10520 (record_temporary_equivalences_from_stmts): Remove over-conservative
10521 test for threading across backedges.
10523 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10524 control statement, handle all three special cases in the same
10525 manner as they all have the same desired solution. No longer
10526 special case edge flag updating when the post dominator is
10527 the exit block.
10529 2006-02-08 Roger Sayle <roger@eyesopen.com>
10531 * tree.def (CHAR_TYPE): Remove.
10532 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10533 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10534 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10535 (gen_string_type_die): Delete unreachable function.
10537 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10538 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10539 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10540 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10541 * builtins.c (type_to_class): Likewise.
10542 * fold-const.c (fold_convert, build_range_check,
10543 merge_ranges): Likewise.
10544 * expr.c (count_type_elements): Likewise.
10545 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10546 * stor-layout.c (layout_type): Likewise.
10547 * ipa-type-escape.c (type_to_consider): Likewise.
10548 * gimplify.c (omp_firstprivatize_type_sizes,
10549 gimplify_type_sizes): Likewise.
10550 * explow.c (promote_mode): Likewise.
10551 * tree-sra.c (is_sra_scalar_type): Likewise.
10552 * varasm.c (output_constant): Likewise.
10553 * tree-inline.c (remap_type_1): Likewise.
10554 * convert.c (convert_to_pointer, convert_to_real,
10555 convert_to_integer, convert_to_complex): Likewise.
10557 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10559 * df-scan.c (df_def_record_1): A set destination may
10560 be a parallel regardless of mode.
10562 2006-02-08 Roger Sayle <roger@eyesopen.com>
10564 PR target/22209
10565 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10566 * config/mips/_tilib.c: Remove.
10567 * config/fixtfdi.c: New libgcc source file.
10568 * config/fixunstfdi.c: New source file.
10569 * config/floatditf.c: New source file.
10570 * config/floatunditf.c: New souce file.
10571 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10572 files above instead of config/mips/_tilib.c.
10573 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10575 2006-02-08 Jeff Law <law@redhat.com>
10577 PR tree-optimization/26169
10578 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10579 threading jumps.
10581 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10583 * df.h (DF_REG_SIZE): Return the length of the initialized
10584 part of the array.
10586 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10588 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10589 __muldf3): Return a correctly signed zero.
10591 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10593 * passes.c (register_one_dump_file): Accept the current properties
10594 instead of pass number. Adjust call to dump_register. Remove
10595 duplicated code.
10596 (register_dump_files): Now a wrapper around...
10597 (register_dump_files_1): ... this one. Do not modify the pass
10598 structure.
10599 (next_pass_1): Cosmetic fix.
10600 (execute_todo): Keep second parameter only. Use curr_properties
10601 instead of fetching it from the pass structure. Check and set
10602 last_verified.
10603 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10604 instead of fetching it from the pass structure. Fix calls to
10605 execute_todo. Update curr_properties and initialize .vcg RTL dump
10606 after running the pass. Reset last_verified.
10607 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10608 at the beginning.
10609 (FIRST_AUTO_NUMBERED_DUMP): New.
10610 (dump_register): Remove "num" parameter, assign it within the
10611 function.
10612 (get_dump_file_name): Modify template for dumps.
10613 * tree-dump.h (dump_register): Adjust prototype.
10614 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10615 (PROP_trees): Add PROP_gimple_lomp.
10616 (TODO_set_props): New.
10617 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10618 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10619 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10621 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10623 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10624 (sparc64-*-linux*): Likewise.
10625 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10626 * config/sparc/t-linux: New file.
10627 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10628 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10629 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10630 -m32 -mlong-double-128.
10632 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10633 * config/alpha/t-linux: New file.
10634 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10636 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10637 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10638 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10639 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10640 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10641 (CPP_ARCH32_SPEC): Remove.
10643 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10645 PR tree-optimization/26145
10646 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10647 bbs pointer.
10649 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10651 PR target/26109
10652 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10653 >= 240000 when generating code for SOM runtime.
10654 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10655 to $$dyncall when generating code for SOM runtime..
10657 2006-02-07 Dirk Mueller <dmueller@suse.com>
10659 PR c++/18150
10660 * doc/invoke.texi (-Wsequence-point): Update documentation
10661 that -Wsequence-point is implemented for C++ as well.
10663 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10665 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10666 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10667 (LIB_SPEC): Likewise.
10668 * doc/invoke.texi (SPARC options): Document -pthread.
10670 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10672 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10673 PIC addresses.
10675 2006-02-07 Roger Sayle <roger@eyesopen.com>
10677 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10678 Correct comment describing BOOLEAN_TYPE.
10680 2006-02-07 Dirk Mueller <dmueller@suse.com>
10682 * c.opt: C++ frontend supports -Wdiv-by-zero.
10683 * c-opts.c (c_common_handle_option): Remove dead case.
10685 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10687 * configure.ac (TLS assembler check): Do not enable TLS by
10688 default on SPARC/Solaris before version 10.
10689 * configure: Regenerate.
10691 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10693 * doc/invoke.texi (xl-compat): Document conversion and support
10694 routine names.
10696 2006-02-07 Jeff Law <law@redhat.com>
10698 * tree-vrp.c (find_conditional_asserts): Update comments.
10699 (simplify_stmt_for_jump_threading): New.
10700 (identify_jump_threads, finalize_jump_threads): New.
10701 (vrp_finalize): Call identify_jump_threads.
10702 (execute_vrp): Call finalize_jump_threads.
10703 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10704 (vrp_element, vrp_data, vrp_element_p): Remove.
10705 (vrp_hash_elt, vrp_variables_stack): Remove.
10706 (vrp_hash, vrp_eq, record_range): Remove.
10707 (simplify_cond_and_lookup_avail_expr): Remove.
10708 (extract_range_from_cond): Remove.
10709 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10710 (simplify_stmt_for_jump_threading): New.
10711 (dom_thread_across_edge): New wrapper.
10712 (tree_ssa_dominator_optimize): No longer initialize or
10713 finalize any of the VRP datastructures. Remove iteration
10714 step and simplify as a result of removal of iteration step.
10715 (pass_dominator): Perform a cfg cleanup after DOM.
10716 (dom_opt_finalize_block): Use the new common routines
10717 for threading jumps. Simplify stack management slightly.
10718 No longer need to unwind VRP state.
10719 (record_equivalences_from_incoming_edge): No longer record
10720 VRP information.
10721 (eliminate_redundant_computations): No longer call
10722 simplify_cond_and_lookup_avail_expr.
10723 * tree-flow.h (potentially_threadable_block): Prototype.
10724 (thread_across_edge): Likewise.
10725 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10726 (tree-ssa-threadedge.o): Add dependencies.
10727 * tree-ssa-threadedge.c: New file.
10728 * passes.c (init_optimization_passes): Merge PHIs before
10729 calling VRP. Run VRP again late in the SSA optimization pipeline.
10731 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10733 * df-core.c (df_set_blocks): Do not dereference function pointers.
10734 (df_finish1): Likewise.
10735 (df_hybrid_search_forward): Likewise.
10736 (df_hybrid_search_backward): Likewise.
10737 (df_iterative_dataflow): Likewise.
10738 (df_analyze_problem): Likewise.
10739 (df_compact_blocks): Likewise.
10740 (df_dump): Likewise.
10741 * df-scan.c (df_rescan_blocks): Likewise.
10742 (df_record_entry_block_defs): Likewise.
10744 * genconditions.c (write_conditions): Guard the definition of
10745 'insn_conditions' with the check on GCC version.
10746 (write_writer): Guard the traversal 'insn_conditions' with
10747 the check on GCC version.
10749 2006-02-07 Richard Guenther <rguenther@suse.de>
10751 PR c++/26140
10752 Revert
10753 2006-01-30 Richard Guenther <rguenther@suse.de>
10754 PR c++/23372
10755 * gimplify.c (gimplify_target_expr): Handle easy cases
10756 without creating a temporary.
10758 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10760 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10761 use of float in probability computations. Use edge probabilities
10762 in place of statically computed probabilities.
10763 (min_spec_prob): New static variable.
10764 (schedule_insns): Initialize it.
10765 (GET_SRC_PROB): Removed.
10766 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10768 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10770 PR debug/24444
10771 * config/ia64/unwind-ia64.c: Revert last change.
10772 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10773 (INCOMING_FRAME_SP_OFFSET): Define.
10775 2006-02-06 Roger Sayle <roger@eyesopen.com>
10777 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10779 2006-02-07 Ben Elliston <bje@au.ibm.com>
10781 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10782 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10783 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10784 (ix86_return_in_memory): Handle TDmode.
10785 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10786 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10788 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10790 * reorg.c (dbr_schedule): Use dump_file instead of file.
10792 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10794 PR target/25917
10795 * config/ia64/predicates.md (extr_len_operand): New predicate.
10796 * config/ia64/ia64.md (extv): Tighten constraints.
10797 (extzv): Ditto.
10798 (*tbit_and_2): Ditto.
10799 (*tbit_and_3): Ditto.
10800 (*tbit_or_2): Ditto.
10801 (*tbit_or_3): Ditto.
10802 (*bit_zero): Ditto.
10803 (*bit_one): Ditto.
10805 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10807 PR target/23359
10808 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10810 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10812 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10813 loop_optimizer_init and loop_optimizer_finalize
10814 * tree-ssa-sink.c (execute_sink_code): Ditto.
10815 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10816 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10817 tree_ssa_loop_done): Ditto.
10818 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10819 * sched-ebb.c: Include output.h.
10820 (schedule_ebbs): Do not use dump argument.
10821 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10822 * loop.c (loop_dump_stream): Removed.
10823 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10824 argument.
10825 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10826 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10827 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10828 loop_iterations, strength_reduce, record_biv, record_giv,
10829 final_giv_value, check_final_value, check_ext_dependent_givs,
10830 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10831 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10832 dump_file instead of loop_dump_stream.
10833 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10834 argument dump_file.
10835 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10836 dump argument.
10837 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10838 * haifa-sched.c: Include output.h
10839 (schedule_insns, sched_init): Do not use dump argument.
10840 * mode-switching.c (optimize_mode_switching): Ditto.
10841 * modulo-sched.c (stats_file): Removed.
10842 (print_node_sched_params): Do not call argument dump_file.
10843 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10844 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10845 of stats_file.
10846 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10847 use dump argument.
10848 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10849 rtl_loop_init, rtl_loop_done): Ditto.
10850 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10851 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10852 Ditto.
10853 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10854 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10855 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10856 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10857 * emit-rtl.c (renumber_insns): Ditto.
10858 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10859 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10860 * regclass.c (regclass): Ditto.
10861 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10862 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10863 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10864 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10865 Ditto.
10866 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10867 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10868 to regclass.
10869 * gcse.c (gcse_file, debug_stderr): Removed.
10870 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10871 rest_of_handle_gcse): Do not use dump argument.
10872 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10873 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10874 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10875 compute_code_hoist_vbeinout, compute_code_hoist_data,
10876 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10877 compute_store_table, build_store_vectors, insert_insn_start_bb,
10878 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10879 store_motion): Use dump_file instead of gcse_file.
10880 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10881 * profile.c (profile_dump_file): Removed.
10882 (branch_prob): Use dump_file instead of profile_dump_file.
10883 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10884 dump_file.
10885 * tree-ssa-copy.c (dump_copy_of): Ditto.
10886 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10887 dump file to life_analysis.
10888 * bt-load.c (branch_target_load_optimize): Ditto.
10889 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10890 renumber_insns.
10891 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10892 regclass, dbr_schedule): Declaration changed.
10893 * sched-int.h (sched_init): Declaration changed.
10894 * tree-profile.c (tree_profile_dump_file): Removed.
10895 (tree_profile_hooks): Removed profile_dump_file hook.
10896 * rtl-profile (rtl_profile_dump_file): Removed.
10897 (rtl_profile_hooks): emoved profile_dump_file hook.
10898 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10899 changed.
10900 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10901 * tree-cfg.c (build_tree_cfg): Ditto.
10902 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10903 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10904 Declaration changed.
10905 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10906 life_analysis and schedule_insns.
10907 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10908 life_analysis.
10909 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10910 dbr_schedule.
10911 * config/mips/mips.c (mips_reorg): Ditto.
10912 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10913 schedule_ebbs.
10915 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10917 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10918 (s390_mangle_fundamental_type): New.
10919 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10920 Define.
10922 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10923 (alpha_mangle_fundamental_type): New.
10924 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10925 Define.
10927 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10928 Define.
10929 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10930 Define.
10931 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10932 (sparc_mangle_fundamental_type): New.
10934 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10936 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10937 (s390x-*-linux*): Likewise.
10938 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10939 * config/s390/t-linux: New file.
10941 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10943 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10944 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10946 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10948 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10949 (ANTIC_SAFE_LOADS): New macro.
10950 (find_or_generate_expression): Add prototype.
10951 (set_contains_value): Allow null set for sake of not always having
10952 to allocate ANTIC_SAFE_LOADS.
10953 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10954 Allow COMPONENT_REF too.
10955 (valid_in_set): Allow COMPONENT_REF.
10956 Check ANTIC_SAFE_LOADS too.
10957 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10958 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10959 rename.
10960 (can_PRE_operation): Add COMPONENT_REF.
10961 (create_component_ref_by_pieces): New function.
10962 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10963 (insert_aux): Move AGGREGATE_TYPE_P check here.
10964 (compute_avail): Set bb local stmt uids.
10965 (pass_pre): Use TODO_update_ssa_only_virtuals.
10967 2006-02-06 Ben Elliston <bje@au.ibm.com>
10969 * configure.ac: Unconditionally disable decimal float by default.
10970 * configure: Regenerate.
10972 2006-02-06 Ben Elliston <bje@au.ibm.com>
10974 * read-rtl.c (read_name): Terminate reading on EOF.
10976 2006-02-06 Ben Elliston <bje@au.ibm.com>
10978 * dfp.c (decimal_real_arithmetic): Change second argument type
10979 from int to enum tree_code. Do not always return true, but now
10980 return result of any call to decimal_do helper functions.
10981 * dfp.h (decimal_real_arithmetic): Update prototype.
10983 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
10985 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
10987 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
10989 PR tree-opt/25251
10990 * tree-cfg.c (cleanup_dead_labels): Also don't remove
10991 forced labels.
10993 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
10995 * tree-vrp.c (cfg_loops): Removed.
10996 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
10997 Use current_loops instead of cfg_loops. Pass flags to
10998 loop_optimizer_init.
10999 * cfgloopmanip.c (fix_loop_structure): Update only available
11000 information.
11001 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11002 loop_optimizer_init.
11003 * modulo-sched.c (build_loops_structure): Removed.
11004 (sms_schedule): Use loop_optimizer_init.
11005 * loop-init.c (loop_optimizer_init): Use flags to determine
11006 which properties of loops to prepare.
11007 (rtl_loop_init): Pass flags to loop_optimizer_init.
11008 * tree-ssa-sink.c (execute_sink_code): Ditto.
11009 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11010 * tree-ssa-pre.c (init_pre): Ditto.
11011 * cfgloop.h (LOOPS_NORMAL): New.
11012 (loop_optimizer_init): Declaration changed.
11014 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11016 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11017 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11018 pa/t-pa.
11019 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11020 pa/t-pa.
11021 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11022 pa/x-ada.
11023 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11024 * pa/t-pa64: Delete quadlib.c rule.
11025 * pa/x-ada: Revert last change.
11026 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11028 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11030 PR rtl-optimization/26087
11031 * rtlanal.c (canonicalize_condition): Do not cross basic block
11032 boundaries.
11034 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11036 PR debug/24444
11037 * config/ia64/ia64.c: Include debug.h.
11038 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11039 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11040 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11041 (process_epilogue, process_set, process_for_unwind_directive):
11042 Output unwind info only if requested. Add CFA info if requested.
11043 Add new arguments as needed. Adjust callers.
11044 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11045 incorrect default.
11046 (DWARF2_FRAME_INFO): Define to zero.
11047 * config/ia64/unwind-ia64.c: Remove code that compensated for
11048 the CFA offset error fixed above.
11049 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11050 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11051 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11052 -funwind-tables and -fexceptions to enable frame info.
11053 (dwarf2out_frame_init): Define initial CFA even if
11054 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11055 DWARF2_UNWIND_INFO is nonzero, not just defined.
11056 (dwarf2out_frame_finish): Output non-EH call frame info only
11057 if DWARF2_FRAME_INFO is nonzero.
11058 (convert_cfa_to_loc_list,
11059 compute_frame_pointer_to_cfa_displacement): Define even if
11060 unwind info is not supported.
11061 (gen_subprogram_die): Use the above unconditionally. Remove
11062 legacy alternate code.
11063 * toplev.c (compile_file): Compile in call to
11064 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11065 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11067 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11068 Jakub Jelinek <jakub@redhat.com>
11070 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11071 IBM extended float format long double as "g" on powerpc*-linux.
11073 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11075 PR target/25926
11076 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11077 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11079 2006-02-03 Jason Merrill <jason@redhat.com>
11081 PR c++/25979
11082 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11084 PR middle-end/25977
11085 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11086 on the return slot if it's an NRV.
11088 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11090 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11091 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11092 rewrite_use): Do not handle USE_OUTER.
11093 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11094 add_iv_outer_candidates, may_replace_final_value,
11095 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11096 (find_interesting_uses_op): Functionality of
11097 find_interesting_uses_outer_or_nonlin moved here.
11098 (find_interesting_uses_outside): Use find_interesting_uses_op.
11100 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11102 PR target/25960
11103 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11105 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11106 Ulrich Weigand <uweigand@de.ibm.com>
11108 PR target/25864
11109 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11110 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11111 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11112 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11113 and dxr fields.
11114 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11115 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11116 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11117 Define secondary reloads for TFmode moves.
11118 (constant_modes): Add TFmode.
11119 (NR_C_MODES): Set to 8.
11120 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11121 builtin define.
11122 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11123 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11124 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11125 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11126 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11127 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11128 (FPR mode macro): Add TFmode.
11129 (DSF mode macro): New.
11130 (<de>, <dee> mode attributes): Removed.
11131 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11132 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11133 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11134 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11135 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11136 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11137 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11138 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11139 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11140 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11141 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11142 "*negabs<mode>2", "sqrt<mode>2"):
11143 Changed <de> to <xde>. R constraint replaced by <Rf>.
11144 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11145 <Rf>.
11146 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11147 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11148 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11149 splitters.
11150 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11151 "extenddftf2", "extendsftf2"): New expanders.
11152 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11153 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11154 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11155 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11156 New options.
11157 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11158 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11159 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11160 __floatditf): Add a GCC_4.1.0 symbol version tag.
11161 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11162 the new options.
11164 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11166 PR target/25377
11167 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11168 Use targetm.binds_local_p instead of TREE_PUBLIC.
11170 2006-02-02 Roger Sayle <roger@eyesopen.com>
11172 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11173 on INTEGER_TYPEs to indicate that it denotes a character type.
11174 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11175 signed_char_type_node, unsigned_char_type_node and char_type_node.
11176 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11177 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11178 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11180 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11181 Daniel Berlin <dberlin@dberlin.org>
11183 * tree-tailcall.c (arg_needs_copy_p): New function.
11184 (eliminate_tail_call): Use arg_needs_copy_p.
11185 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11186 (add_virtual_phis): New function.
11188 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11190 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11191 #ignore instead of #scratch for %g7 .register directive.
11193 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11195 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11196 object files.
11198 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11200 * flow.c (calculate_global_regs_live): Assert that there aren't any
11201 EDGE_FAKE edges.
11203 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11205 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11206 what its name says.
11207 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11208 bsi_after_labels iterator.
11209 * tree-if-conv.c (find_phi_replacement_condition,
11210 replace_phi_with_cond_modify_expr): Likewise.
11211 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11212 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11214 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11216 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11218 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11220 PR 25990
11221 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11222 array after growing it.
11224 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11226 PR middle-end/24901
11227 * fold-const.c (fold_checksum_tree): Change type of buf.
11229 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11231 * reload.c (push_secondary_reload): Initialize t_icode.
11233 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11235 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11236 -msoft-float -mlong-double-128 only issue a warning, but don't
11237 swich to DFmode long double.
11239 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11241 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11242 has a constant equivalent, iterate over equivalents for arg0,
11243 calling simplify_relational_operation and if there's a result
11244 cheaper than X, apply fold_rtx and return the result.
11246 2006-02-01 Jan Hubicka <jh@suse.cz>
11248 * opts.c (no_unit_at_a_time_default): New global variable.
11249 (decode_options): Use it.
11250 * opts.h (no_unit_at_a_time_default): Declare.
11252 2006-02-01 Paul Brook <paul@codesourcery.com>
11254 * function.c (assign_parm_setup_reg): Use function argument promotion
11255 rules.
11256 * expr.c (expand_expr_real_1): Use function argument promotion rules
11257 for PARM_DECLs.
11259 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11261 * gcc.c (process_command): Change j to 'unsigned int'.
11263 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11265 PR middle-end/26001
11266 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11267 Use the corrected index for the character
11268 out of the string constant.
11270 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11272 * mode-switching.c (optimize_mode_switching): Fix size
11273 allocated for bb_info[n_entities].
11275 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11277 * gcc.c (main): Correct type that is allocated for
11278 explicit_link_files.
11280 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11282 * config/s390/s390.c (init_alignment_context): Set
11283 ALIAS_SET_MEMORY_BARRIER on the MEM.
11284 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11286 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11288 PR middle-end/25933
11289 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11290 dom_bbs pointer.
11291 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11292 call to tpa_init.
11294 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11296 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11297 * regrename.c: Ditto.
11298 * tree-ssa-loop-im.c: Ditto.
11299 * tree-dump.c: Ditto.
11300 * tree-complex.c: Ditto.
11301 * genrecog.c: Ditto.
11302 * tree-ssa-threadupdate.c: Ditto.
11303 * tracer.c: Ditto.
11304 * java/class.c: Ditto.
11305 * java/jcf-parse.c: Ditto.
11306 * java/resource.c: Ditto.
11307 * java/except.c: Ditto.
11308 * java/jvspec.c: Ditto.
11309 * java/jcf-write.c: Ditto.
11310 * java/jcf-path.c: Ditto.
11311 * java/gjavah.c: Ditto.
11312 * java/zextract.c: Ditto.
11313 * java/jcf-io.c: Ditto.
11314 * java/jcf.h: Ditto.
11315 * java/buffer.c: Ditto.
11316 * java/lang.c: Ditto.
11317 * java/parse-scan.y: Ditto.
11318 * java/lex.c: Ditto.
11319 * java/lex.h: Ditto.
11320 * cfgloopmanip.c: Ditto.
11321 * postreload-gcse.c: Ditto.
11322 * tree-ssa-loop-manip.c: Ditto.
11323 * postreload.c: Ditto.
11324 * tree-ssa-loop-ch.c: Ditto.
11325 * loop.c: Ditto.
11326 * ipa-cp.c: Ditto.
11327 * cppspec.c: Ditto.
11328 * diagnostic.c: Ditto.
11329 * final.c: Ditto.
11330 * genoutput.c: Ditto.
11331 * gcc.c: Ditto.
11332 * cfghooks.c: Ditto.
11333 * cfgloopanal.c: Ditto.
11334 * objc/objc-act.c: Ditto.
11335 * gcov.c: Ditto.
11336 * genextract.c: Ditto.
11337 * genautomata.c: Ditto.
11338 * pretty-print.c: Ditto.
11339 * genemit.c: Ditto.
11340 * cgraphunit.c: Ditto.
11341 * flow.c: Ditto.
11342 * df-scan.c: Ditto.
11343 * haifa-sched.c: Ditto.
11344 * dominance.c: Ditto.
11345 * dbxout.c: Ditto.
11346 * tree-ssa-loop-ivopts.c: Ditto.
11347 * df-core.c: Ditto.
11348 * mode-switching.c: Ditto.
11349 * modulo-sched.c: Ditto.
11350 * graph.c: Ditto.
11351 * ipa-pure-const.c: Ditto.
11352 * cse.c: Ditto.
11353 * fix-header.c: Ditto.
11354 * web.c: Ditto.
11355 * tree-stdarg.c: Ditto.
11356 * ipa-utils.c: Ditto.
11357 * loop-init.c: Ditto.
11358 * ipa-inline.c: Ditto.
11359 * cfganal.c: Ditto.
11360 * global.c: Ditto.
11361 * alloc-pool.c: Ditto.
11362 * dwarf2out.c: Ditto.
11363 * opts.c: Ditto.
11364 * genattrtab.c: Ditto.
11365 * tree-ssa-loop-ivcanon.c: Ditto.
11366 * predict.c: Ditto.
11367 * timevar.c: Ditto.
11368 * lcm.c: Ditto.
11369 * fortran/gfortranspec.c: Ditto.
11370 * regmove.c: Ditto.
11371 * local-alloc.c: Ditto.
11372 * langhooks.c: Ditto.
11373 * function.c: Ditto.
11374 * tree-vectorizer.c: Ditto.
11375 * gcse.c: Ditto.
11376 * ipa-type-escape.c: Ditto.
11377 * alias.c: Ditto.
11378 * tree-if-conv.c: Ditto.
11379 * profile.c: Ditto.
11380 * ipa.c: Ditto.
11381 * tree-data-ref.c: Ditto.
11382 * loop-unroll.c: Ditto.
11383 * treelang/treetree.c: Ditto.
11384 * calls.c: Ditto.
11385 * bt-load.c: Ditto.
11386 * ggc-common.c: Ditto.
11387 * except.c: Ditto.
11388 * coverage.c: Ditto.
11389 * cselib.c: Ditto.
11390 * tree-cfgcleanup.c: Ditto.
11391 * tree-ssa-pre.c: Ditto.
11392 * cfgcleanup.c: Ditto.
11393 * loop-invariant.c: Ditto.
11394 * loop-iv.c: Ditto.
11395 * ipa-prop.c: Ditto.
11396 * print-tree.c: Ditto.
11397 * conflict.c: Ditto.
11398 * ggc-page.c: Ditto.
11399 * sched-deps.c: Ditto.
11400 * regclass.c: Ditto.
11401 * tree-object-size.c: Ditto.
11402 * combine.c: Ditto.
11403 * bb-reorder.c: Ditto.
11404 * resource.c: Ditto.
11405 * var-tracking.c: Ditto.
11406 * cfgloop.c: Ditto.
11407 * df-problems.c: Ditto.
11408 * reg-stack.c: Ditto.
11409 * tlink.c: Ditto.
11410 * gccspec.c: Ditto.
11411 * sched-rgn.c: Ditto.
11412 * tree-ssa-structalias.c: Ditto.
11413 * tree-ssa-reassoc.c: Ditto.
11414 * config/darwin-c.c: Ditto.
11415 * config/darwin.c: Ditto.
11416 * config/arm/arm.c: Ditto.
11417 * cfgrtl.c: Ditto.
11418 * collect2.c: Ditto.
11419 * reload1.c: Ditto.
11421 2006-01-31 Nicolas Pitre <nico@cam.org>
11423 * arm.md (smaxsi3): Make aware of smax_m1.
11424 (smax_m1): New.
11426 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11428 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11430 2006-01-31 Richard Guenther <rguenther@suse.de>
11432 * doc/invoke.texi (-msselibm): Document.
11433 * target.h (expand_library_builtin): New target hook.
11434 * builtins.c (expand_builtin): Use expand_library_builtin.
11435 (default_expand_library_builtin): New function.
11436 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11437 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11438 (link_gcc_math_spec): Declare.
11439 (static_specs): Add link_gcc_math_spec.
11440 * expr.h (default_expand_library_builtin): Declare.
11441 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11442 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11443 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11444 * config/i386/i386.opt (msselibm): New target option.
11445 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11446 (ix86_init_sse_abi_builtins): New function.
11447 (ix86_expand_library_builtin): Likewise.
11448 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11449 (override_options): Handle error conditions wrt -msselibm.
11450 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11451 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11452 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11453 builtins.
11455 2006-01-31 Richard Guenther <rguenther@suse.de>
11456 Paolo Bonzini <bonzini@gnu.org>
11458 * doc/install.texi (--disable-libgcc-math): Document.
11460 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11462 * expr.h (expand_normal): new inline function.
11463 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11464 * dojump.c: use it.
11465 * dwarf2out.c: use it.
11466 * expr.c: use it.
11467 * calls.c: use it.
11468 * expmed.c: use it.
11469 * except.c: use it.
11470 * config/sparc/sparc.c: use it.
11471 * config/i386/i386.c: use it.
11472 * config/rs6000/rs6000.c: use it.
11473 * config/arm/arm.c: use it.
11474 * config/mips/mips.c: use it.
11475 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11477 2006-01-30 Roger Sayle <roger@eyesopen.com>
11479 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11480 argv to the appropriate type.
11482 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11484 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11485 unreachable code.
11487 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11489 PR target/26018
11490 * config/s390/s390.c (struct machine_function): New flag
11491 decomposed_literal_pool_addresses_ok_p.
11492 (s390_reorg): Set it before final stage of literal pool transforms.
11493 (s390_decompose_address): Only accept displacements of the form
11494 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11496 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11498 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11499 the comparison routine return.
11501 2006-01-30 Michael Matz <matz@suse.de>
11503 * global.c (find_reg): Only evict for global regs.
11504 Take n_refs into account and dump more info.
11506 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11508 PR target/14798:
11509 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11510 (pragma_trap, pragma_nosave_low_regs): Likewise.
11511 (current_function_anonymous_args): Likewise.
11512 (sh_deferred_function_attributes): New variable.
11513 (sh_deferred_function_attributes_tail): Likewise.
11514 (print_operand): For '@', look up trap_exit attribute.
11515 (calc_live_regs): Look up trapa_handler attribute. For trapa
11516 handlers, save/restore fpscr, but don't do any other
11517 interrupt-specific saves.
11518 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11519 Fix check for partially saved registers to check for SHmedia.
11520 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11521 (sh_output_function_epilogue): Don't clear any of the removed
11522 variables.
11523 (sh_insert_attributes): Don't check pragma_interrupt.
11524 Insert deferred attributes. Check that interrupt attribute is
11525 present for other attributes that require its presence.
11526 (sh_attribute_table): Add new attributes trapa_handler and
11527 nosave_low_regs.
11528 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11529 Don't check for pragma_interrupt. Don't store argument.
11530 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11531 (sh_deferred_function_attributes): Declare.
11532 (sh_deferred_function_attributes_tail): Likewise.
11533 * sh.md (sp_switch_1): Add operand. Change generator caller.
11534 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11535 (*return_i): Don't use when trap_exit attribute is in effect.
11536 (*return_trapa): New insn pattern.
11537 * sh-c.c: New file.
11538 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11539 setting c_target_objs and cxx_target_objs.
11540 * t-sh: Add rule for sh-c.o.
11542 2006-01-30 Richard Guenther <rguenther@suse.de>
11544 PR c++/23372
11545 * gimplify.c (gimplify_target_expr): Handle easy cases
11546 without creating a temporary.
11548 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11550 * vec.h (safe_grow): Remove duplicated line.
11552 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11554 PR 25874
11555 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11556 (expand_omp): ... here.
11557 (expand_omp_parallel): Only remove barriers for combined
11558 parallel+workshare constructs.
11560 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11562 Revert
11564 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11565 * tree.c (build_qualified_type): Chain the new type to the original
11566 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11567 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11568 (build_pointer_type_for_mode): Only return unqualified types.
11569 (build_reference_type_for_mode): Likewise.
11571 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11573 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11574 * Makefile.in (CXX_COMPAT_WARN): Define.
11575 * configure: Regenerate.
11577 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11579 PR tree-opt/25911
11580 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11581 to an if check.
11583 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11585 * toplev.c: Fix thinko.
11587 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11588 Marcin Dalecki <martin@dalecki.de>
11590 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11591 (push_srcloc): Use XNEW.
11592 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11594 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11596 * df-core.c (df_set_blocks): Deleted all variable.
11598 2006-01-28 Ian Lance Taylor <ian@airs.com>
11600 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11601 cgraph_output_pending_asms.
11603 2006-01-28 Zack Weinberg <zackw@panix.com>
11605 * c.opt: Add -W(no-)overlength-strings.
11606 * doc/invoke.texi: Document it.
11607 * c-opts.c (c_common_handle_option): -pedantic implies
11608 -Woverlength-strings, if not explicitly disabled already.
11609 (c_common_post_options): -Woverlength-strings defaults to off, and
11610 is always off for C++.
11611 * c-common.c (fix_string_type): Issue warning about strings longer
11612 than is portable only if warn_overlength_strings. Rearrange code
11613 a little for clarity.
11614 * configure.in: Check for -Wno-overlength-strings as well before
11615 enabling -pedantic in stage 1.
11616 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11617 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11619 * genconditions.c (write_header, write_one_condition)
11620 (write_conditions, write_writer): Consolidate very long strings
11621 that were broken up to fit in C89 portable limit. Don't use
11622 printf when fputs will do.
11624 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11626 * combine.c (simplify_comparison <AND>): Check
11627 TRULY_NOOP_TRUNCATION before start using a subreg.
11629 * config/mips/mips.md (*branch_zero<mode>,
11630 *branch_zero<mode>_inverted, *branch_equality<mode>,
11631 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11632 Remove mode check from comparisons.
11634 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11636 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11638 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11640 * expmed.c (const_mult_add_overflow_p): Remove.
11641 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11643 * recog.c (validate_replace_rtx_subexp): Remove.
11644 * recog.h: Remove the prototype for
11645 validate_replace_rtx_subexp.
11647 * integrate.h: Remove the prototype for
11648 copy_decl_for_inlining.
11649 * rtl.h: Remove the prototype for mark_constant_function.
11650 * tree-vectorizer.h: Remove the prototype for
11651 vect_strip_conversion.
11653 * modulo-sched.c (create_partial_schedule,
11654 free_partial_schedule, reset_partial_schedule): Make them
11655 static.
11657 * hooks.c (hook_bool_rtx_int_false): Remove.
11658 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11660 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11662 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11663 and -mlong-double-128 are incompatible.
11664 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11665 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11666 (TARGET_LIBGCC2_CFLAGS): Define.
11667 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11668 (TARGET_LIBGCC2_CFLAGS): Same.
11669 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11671 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11673 PR c/19606.
11674 * c-typeck.c (build_binary_op): Perform implicit casts of
11675 operands before shortening them.
11677 * cfgloopmanip.c (split_loop_bb): Remove.
11678 * cfgloop.h: Remove the prototype for split_loop_bb.
11680 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11681 * cfgloop.h: Remove the prototype for
11682 flow_loop_outside_edge_p.
11684 * emit-rtl.c (init_virtual_regs): Make it static.
11685 * function.h: Remove the prototype for init_virtual_regs.
11687 * recog.c (peephole2_optimize): Make it static.
11688 * recog.h: Remove the prototype for peephole2_optimize.
11690 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11692 * df-scan.c (df_record_entry_block_defs): Check if
11693 INCOMING_RETURN_ADDR_RTX is defined.
11695 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11696 Kenneth Zadeck <zadeck@naturalbridge.com>
11698 PR rtl-optimization/24762
11699 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11700 * targhooks.c (hook_void_bitmap): New hook prototype.
11701 * targhoohs.h (hook_void_bitmap): Ditto.
11702 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11703 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11704 * target.h (live_on_entry): New function pointer.
11705 * df-scan.c (df_all_hard_regs): Removed.
11706 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11707 (df_scan_free_internal): Added df->entry_block_defs.
11708 (df_scan_alloc): Ditto.
11709 (df_scan_dump): Ditto.
11710 (df_uses_record): Plumbed flag field properly thru calls.
11711 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11712 This part fixes PR24762.
11713 (df_bb_refs_record): Added code to make the frame and arg
11714 pointers live in EH blocks.
11715 (df_refs_record): Added call to df_record_entry_block_defs.
11716 (df_record_entry_block_defs): New function.
11717 * df-core.c: Added comments to describe new artifical defs.
11718 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11719 (entry_block_defs): New field in struct df.
11720 (df_all_hard_regs): Deleted.
11721 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11722 * df-problems.c (df_ru_bb_local_compute_process_def):
11723 Added code to handle artifical defs in the entry to a function.
11724 (df_ru_bb_local_compute): Ditto.
11725 (df_rd_bb_local_compute_process_def): Ditto.
11726 (df_rd_bb_local_compute): Ditto.
11727 (df_lr_bb_local_compute): Ditto.
11728 (df_ur_bb_local_compute): Ditto.
11729 (df_urec_bb_local_compute): Ditto.
11730 (df_chain_create_bb): Ditto.
11731 (df_ur_local_finalize): Removed entry.
11732 (df_urec_init): Ditto.
11733 (df_urec_local_finalize): Ditto.
11734 (df_ri_bb_compute): Added detection of last use of pseudos.
11735 * Makefile.in (df-scan.o): Updated dependencies.
11736 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11737 * config/mips/mips.c (mips_set_live_on_entry): Added.
11738 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11739 for target hook.
11740 * dce.c (marked_insn_p): Added code to handle artifical defs.
11742 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11744 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11745 intrinsic.
11746 (_mm_cvtsi128_si64): Likewise.
11747 (_mm_cvtsd_si64): Likewise.
11748 (_mm_cvttsd_si64): Likewise.
11749 (_mm_cvtsi64_sd): Likewise.
11750 (_mm_cvtsi64_si128): Likewise.
11751 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11752 (_mm_cvtsi64_m64): Likewise.
11753 (_m_to_int64): Likewise.
11754 (_mm_cvtm64_si64): Likewise.
11755 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11756 (_mm_cvttss_si64): Likewise.
11757 (_mm_cvtsi64_ss): Likewise.
11758 (_mm_cvtss_f32): Likewise.
11760 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11762 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11763 for pragma redefine_extname.
11765 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11767 PR target/25864
11768 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11769 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11770 -mno-minimal-toc to previous content.
11771 (bispecs): Remove goal.
11772 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11773 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11774 compatibility aliases on powerpc-*-*gnu*.
11775 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11776 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11777 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11778 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11779 (ldblspecs): New goal.
11780 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11781 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11782 _df_to_tf.
11783 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11784 L_sf_to_tf or L_df_to_tf is defined.
11786 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11787 Alan Modra <amodra@bigpond.net.au>
11789 PR target/25864
11790 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11791 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11792 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11793 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11794 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11795 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11796 (rs6000_override_options): Initialize rs6000_ieeequad.
11797 Initialize TFmode format to ibm_extended_format if not
11798 TARGET_IEEEQUAD.
11799 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11800 ieeelongdouble.
11801 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11802 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11803 (function_arg_advance): IBM long double passed in two FPRs, not
11804 split.
11805 (function_arg): IBM long double passed in FPRs.
11806 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11807 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11808 Only multireg GPR aligned.
11809 (rs6000_init_libfuncs): Enable IBM long double functions if not
11810 IEEEQUAD.
11811 (rs6000_generate_compare): Use IBM long double compare if not
11812 TARGET_IEEEQUAD.
11813 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11814 (TARGET_IEEEQUAD): Define.
11815 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11816 not TARGET_IEEEQUAD.
11817 * config/rs6000/rs6000.md: Enable TFmode patterns if
11818 !TARGET_IEEEQUAD.
11819 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11820 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11821 and -mlong-double-128 are incompatible.
11822 * doc/invoke.texi (-mabi): Collect options together. Add
11823 ibmlongdouble and ieeelongdouble.
11825 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11827 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11828 opaque type.
11829 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11830 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11831 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11832 * rtl.h (rtunion_def): Remove rt_ptr.
11833 (X0PTR): Delete.
11834 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11835 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11836 * config/i386/winnt.c (i386_pe_mark_dllexport)
11837 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11839 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11841 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11843 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11845 PR other/24829
11846 PR target/24831
11847 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11848 pthread_key_delete. From John David Anglin. gthrw-ify
11849 pthread_getunique_np only if it it's not a macro. Delete
11850 UNUSED macro.
11851 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11852 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11853 __gthread_objc_condition_signal, __gthread_key_delete): Add
11854 "__attribute__ ((__unused__))" to unused arguments.
11855 (__gthread_recursive_mutex_init_function): Add missing return.
11856 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11857 gthr-posix95.h: Use macro-based approach for name redirection
11858 on targets missing weakref.
11860 2006-01-26 Zack Weinberg <zackw@panix.com>
11862 * genconditions.c (write_header): In generated code, #ifdef out
11863 all includes and fake declarations, except includes of bconfig.h
11864 and system.h, unless GCC_VERSION >= 3001. Do not include
11865 gensupport.h in any case.
11866 (write_conditions): Generate a definition of struct c_test. Add
11867 a comment to the generated #endif.
11868 (write_one_condition): Escape backslashes in string too.
11869 (write_writer): Generated code must escape backslashes and quote
11870 marks (but not newlines) in the strings it writes.
11871 * Makefile.in (build/gencondmd.o): Update dependencies.
11873 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11875 PR target/25961
11876 * Makefile.in (insn-automata.o): Add header file dependencies.
11877 * genautomata.c: Add includes.
11879 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11881 PR target/25961
11882 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11884 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11886 * configure.ac: Expect target tools paths to be passed from the toplevel
11887 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11888 AS_SET_VAR_IF.
11889 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11891 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11893 PR c/25892
11894 * c.opt (Wpointer-sign): Init to -1.
11895 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11896 OPT_pedantic, to 0 otherwise.
11897 * doc/invoke.texi: Update.
11899 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11901 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11902 constants provided by 80387 instructions in the destination mode.
11904 2006-01-26 Richard Guenther <rguenther@suse.de>
11905 Andrew Pinski <pinskia@physics.uc.edu>
11907 PR tree-opt/21470
11908 partial PR tree-opt/17064
11909 * tree-ssa-structalias.c (intra_create_variable_infos):
11910 Create heap variables for incoming parameters if
11911 flag_argument_noalias > 1.
11912 (find_what_p_points_to): Look through default defs of
11913 parameter decls.
11915 2006-01-26 Jeff Law <law@redhat.com>
11917 PR ada/25900
11918 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11919 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11920 within the VR_RANGE, use the VR_RANGE as the result, not the
11921 VR_ANTI_RANGE.
11922 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11923 bounds for the type.
11925 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11927 * tree-ssa-alias.c (maybe_create_global_var): Change
11928 subvar walking to an assertion that we don't have subvar'd variables.
11930 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11932 PR C/25861
11933 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11934 Use a new variable, inner. PARM_DECLs are always non-weak.
11936 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11938 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11939 --disable-checking.
11941 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11943 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11945 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11947 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11948 (smax_insn, smin_insn, smax_0, smin_0): New.
11950 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11952 PR target/25947
11953 * config/cris/cris.c (cris_order_for_addsi3): New function.
11954 * config/cris/cris-protos.h: Prototype it.
11955 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11956 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11957 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11958 (split for "op.S1 [rx=rx+i],ry (swapped)")
11959 (split for "op(s|u).S1 [rx=rx+i],ry")
11960 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11961 Apply cris_order_for_addsi3 when generating addsi3 insns.
11963 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11965 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11966 (TREE_BLOCK): Add call to EXPR_CHECK.
11968 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11970 PR 25886
11971 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11972 * tree-pretty-print.c (dump_omp_clause): Extract from ...
11973 (dump_omp_clauses): ... here.
11974 (dump_generic_node): Handle OMP_CLAUSE.
11975 * tree.c (omp_clause_num_ops): New.
11976 (omp_clause_code_name): New.
11977 (tree_code_size): Handle OMP_CLAUSE.
11978 (tree_size): Likewise.
11979 (make_node): Document handling of OMP_CLAUSE.
11980 (tree_node_structure): Handle OMP_CLAUSE.
11981 (omp_clause_check_failed): New.
11982 (omp_clause_range_check_failed): New.
11983 (omp_clause_operand_check_failed): New.
11984 (build_omp_clause): New.
11985 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
11986 * tree.h (enum omp_clause_code): Declare.
11987 (OMP_CLAUSE_SUBCODE_CHECK): Define.
11988 (OMP_CLAUSE_RANGE_CHECK): Define.
11989 (OMP_CLAUSE_ELT_CHECK): Define.
11990 (omp_clause_check_failed): Declare.
11991 (omp_clause_operand_check_failed): Declare.
11992 (omp_clause_range_check_failed): Declare.
11993 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
11994 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
11995 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
11996 (OMP_CLAUSE_LASTPRIVATE): Likewise.
11997 (OMP_CLAUSE_IF_EXPR): Likewise.
11998 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
11999 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12000 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12001 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12002 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12003 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12004 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12005 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12006 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12007 (OMP_CLAUSE_CODE): Define.
12008 (OMP_CLAUSE_SET_CODE): Define.
12009 (OMP_CLAUSE_CODE): Define.
12010 (OMP_CLAUSE_OPERAND): Define.
12011 (struct tree_omp_clause): Declare.
12012 (union tree_node): Add field 'omp_clause'.
12013 * treestruct.def (TS_OMP_CLAUSE): Define.
12014 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12015 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12016 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12017 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12018 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12019 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12020 (OMP_CLAUSE): Define.
12021 * print-tree.c (print_node): Handle OMP_CLAUSE.
12022 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12023 * c-typeck.c: Likewise.
12024 * gimplify.c: Likewise.
12025 * c-omp.c: Likewise.
12026 * tree-nested.c: Likewise.
12027 * tree-inline.c: Likewise.
12028 * c-parser.c: Likewise.
12029 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12030 clauses.
12032 2006-01-25 Roger Sayle <roger@eyesopen.com>
12034 PR rtl-optimization/25703
12035 * combine.c (try_combine): Handle zero_extract and strict_low_part
12036 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12038 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12040 * global.c: Fix comment typos.
12042 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12044 PR target/25758
12045 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12046 Use output_addr_const instead of assemble_name.
12048 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12050 * Makefile.in (sched-vis.o): Update dependencies.
12051 * haifa-sched.c (sched_finish): Clear current_sched_info.
12052 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12053 (dump_flow_info): Call it.
12054 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12055 a slim RTL dump.
12056 * basic-block.h (dump_bb_info): Declare.
12057 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12058 option, and apply options only for dump files whose TDF_RTL,
12059 TDF_TREE, or TDF_IPA bits match.
12060 * rtl.h: Declare new functions exported from sched-vis.c.
12061 * sched-vis.c: Enable also if scheduling is not used.
12062 (print_value): Print the mode of registers if not inside scheduling.
12063 (print_insn): Make it work outside the scheduler. Beautify the output
12064 a bit.
12065 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12067 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12069 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12070 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12071 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12072 depending on the value of CONSTANT_POOL_ADDRESS_P.
12073 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12074 SYMBOL_REF_DECL.
12075 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12076 rather than SYMBOL_REF_DECL.
12077 (rtx_constant_pool): Remove const_rtx_sym_htab.
12078 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12079 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12080 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12081 Remove handling of const_rtx_sym_htab.
12082 (find_pool_constant): Delete.
12083 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12084 rather than find_pool_constant.
12085 (get_pool_constant_for_function): Delete.
12086 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12087 find_pool_constant.
12088 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12089 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12090 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12091 (SYMBOL_REF_CONSTANT): New macro.
12092 (get_pool_constant_for_function): Delete.
12093 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12094 rather than SYMBOL_REF_DECL.
12095 (i386_pe_mark_dllimport): Likewise.
12096 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12097 rather than SYMBOL_REF_DECL.
12098 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12099 (machopic_indirect_call_target): Likewise.
12101 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12103 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12105 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12107 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12109 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12111 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12113 2006-01-24 David Daney <ddaney@avtrex.com>
12115 PR java/25816
12116 * configure.ac (enable_tls): New enable option.
12117 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12118 * configure: Regenerate.
12119 * doc/install.texi (--enable-tls): Document new option.
12120 (--disable-tls): Ditto.
12122 2006-01-24 Richard Henderson <rth@redehat.com>
12124 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12125 * alias.c (true_dependence): Respect it.
12126 (canon_true_dependence, write_dependence_p): Likewise.
12127 * builtins.c (get_builtin_sync_mem): Set it.
12129 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12131 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12132 efficient way.
12134 2006-01-24 DJ Delorie <dj@redhat.com>
12136 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12137 for storing constants in single-bit bitfields.
12139 2006-01-25 Ben Elliston <bje@au.ibm.com>
12141 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12143 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12145 PR tree-opt/25860
12146 * tree-ssa-pre.c (phi_translate): Return NULL
12147 for AGGREGATE_TYPE's.
12149 2006-01-24 Zack Weinberg <zackw@panix.com>
12151 * genautomata.c (process_state_for_insn_equiv_partition):
12152 Use xcalloc for insn_arcs_array.
12153 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12154 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12156 2006-01-24 Richard Henderson <rth@redhat.com>
12158 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12159 update all callers.
12161 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12163 PR rtl-optimization/25890
12164 PR rtl-optimization/25905
12165 * combine.c (expand_compound_operation, expand_field_assignment):
12166 Fail if the bitfield's final position is out of bounds.
12168 2006-01-24 Ian Lance Taylor <ian@airs.com>
12170 PR middle-end/25930
12171 * cgraphunit.c (cgraph_output_in_order): Don't clear
12172 cgraph_asm_nodes until after asm strings have been output.
12174 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12176 * fix-header.c (read_scan_file): Add new parameter imultilib when
12177 calling register_include_chains.
12179 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12181 * omp-low.c: Update documentation.
12183 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12184 Daniel Berlin <dberlin@dberlin.org>
12186 PR tree-opt/25315
12187 PR tree-opt/25857
12188 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12189 return from the function.
12191 2006-01-22 Zack Weinberg <zackw@panix.com>
12193 * rtl.def (match_code): Add second argument.
12194 * genpreds.c (write_extract_subexp): New function.
12195 (write_match_code): Add path argument. Use write_extract_subexp.
12196 (write_predicate_expr): Pass path to write_match_code.
12197 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12198 not perform a mode test.
12199 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12200 a subexpression does not constrain the top-level code set.
12201 * read-rtl.c (read_rtx_variadic): New function.
12202 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12203 * doc/md.texi: Document new notation.
12204 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12205 (cmpsi_operand): ... here, using new notation.
12207 2006-01-22 Zack Weinberg <zackw@panix.com>
12209 * varray.c: Remove GENERATOR_FILE #ifdefs.
12211 2006-01-22 Zack Weinberg <zackw@panix.com>
12213 * genautomata.c (output_reserved_units_table): Emit nothing if
12214 description->query_units_num is zero. Remove extra blank line.
12215 (output_cpu_unit_reservation_p): Short circuit
12216 if description->query_units_num is zero.
12218 2006-01-22 Zack Weinberg <zackw@panix.com>
12220 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12221 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12222 nor any of the random handful of variables that used to be necessary
12223 when this program was linked with rtlanal.o. Prune set of forward
12224 function declarations.
12225 (struct attr_desc): Remove static_p field.
12226 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12227 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12228 (attr_string): Do not read the character one past the length of
12229 the string.
12230 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12231 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12232 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12233 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12234 (make_automaton_attrs): New.
12235 (main): Do not call into genautomata. Call local gen_bypass
12236 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12237 Remove special case for insn_alts.
12238 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12239 varray.h (leftover from previous change). Prune set of forward
12240 function declarations. Remove state_alts fields from all
12241 structures. Remove state_alts_table from struct automaton.
12242 Make everything except main static. Do not maintain num_dfa_decls.
12243 Do not maintain state_alts fields of various structures.
12244 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12245 (add_arc): Remove state_alts argument. All callers updated.
12246 (output_reserved_units_table): Emit #ifdef here...
12247 (output_tables): ...not here. Don't generate state_alts tables.
12248 (expand_automata): Don't generate attributes.
12249 (write_automata): Don't generate state_alts functions.
12250 (main): New function.
12251 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12252 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12253 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12254 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12255 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12256 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12257 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12258 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12259 Delete.
12260 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12261 * genattrtab.h: Delete file.
12262 * Makefile.in (OBJS-common): Add insn-automata.o.
12263 (insn-automata.o): New rule.
12264 (simple_generated_c): Add insn-automata.c.
12265 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12266 (genprogmd): Add automata.
12267 (build/genattrtab): Needs no extra objects nor libraries.
12268 (build/genautomata): Needs build/vec.o and -lm.
12270 2006-01-22 Zack Weinberg <zackw@panix.com>
12272 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12273 (output_dfa_max_issue_rate, locked_states_num): Delete.
12274 (struct automaton): Add locked_states field.
12275 (output_dead_lock_vect): Save number of locked states in
12276 automaton->locked_states. If it is zero, don't print anything.
12277 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12278 (output_internal_dead_lock_func): Only test the dead_lock_vect
12279 for automata that have locked states.
12280 (output_statistics): Always print the number of locked states for
12281 each automaton. Calculate total number of locked states here.
12282 (write_automata): Don't call output_dfa_max_issue_rate.
12283 * genattrtab.c: Define length_unit_log as a const variable.
12284 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12285 max_insn_queue_index const.
12286 * final.c (length_unit_log): Declare const.
12287 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12289 2006-01-22 Zack Weinberg <zackw@panix.com>
12291 * genautomata.c: Include vec.h, not varray.h.
12292 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12293 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12294 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12295 VEC_* macros operating on appropriately typed vectors, or to
12296 malloced arrays when the size is known in advance. Const-ify
12297 many char* variables and function arguments. No functional changes.
12298 * Makefile.in (build/varray.o): Delete rule.
12299 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12300 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12302 2006-01-22 Zack Weinberg <zackw@panix.com>
12304 * gensupport.c: Define get_insn_name and record_insn_name here.
12305 (read_md_rtx): Call record_insn_name as appropriate.
12306 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12307 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12308 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12309 record_insn_name.
12310 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12311 (BUILD_VARRAY): Delete.
12312 (genprognormal): Rename genprogmd. Fold in all programs from
12313 genprognoprint; also attrtab.
12314 (build/genattrtab): Just mention genautomata.o and varray.o.
12315 Reorganize a bit, add comments to make the categories clearer.
12317 2006-01-22 Zack Weinberg <zackw@panix.com>
12319 * genconditions.c (condition_table, add_condition): Delete.
12320 (write_conditions): Don't emit n_insn_conditions nor
12321 insn_elision_unavailable. Issue the gcc version #ifdef here,
12322 inside the table, with no #else clause ...
12323 (write_header): ...not here.
12324 (write_writer): New function.
12325 (main): Don't initialize condition_table. Use add_c_test.
12326 Call write_writer.
12327 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12328 files on the command line.
12329 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12330 Return -1 if there is no entry in the table, don't abort.
12331 (add_c_test, traverse_c_tests): New functions.
12332 * gensupport.h (insn_elision_unavailable, insn_conditions)
12333 (n_insn_conditions): Delete declarations.
12334 (add_c_test, traverse_c_tests): Declare.
12335 * read-rtl.c: Include gensupport.h.
12336 (read_conditions): New function.
12337 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12338 (read_rtx_1): If we get EOF when we were looking for an initial
12339 open paren, return 0. Call read_conditions when appropriate.
12340 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12341 dummy-conditions.o. Eliminate references to insn-conditions.o,
12342 or change them to build/gencondmd.o, as appropriate. Remove
12343 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12344 from $(simple_generated_c). For all files remaining in those
12345 two lists, add insn-conditions.md to the generator command line.
12346 Give insn-constants.h/s-constants their own rules. Add rules
12347 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12348 (build/read-rtl.o): Depend on gensupport.h.
12349 (genprognormal): Include preds.
12350 (genprogearly): Rename genprognoprint; only difference is now that
12351 they don't link with $(BUILD_PRINT).
12352 * dummy-conditions.c: Delete.
12354 2006-01-22 Zack Weinberg <zackw@panix.com>
12356 * genextract.c: Don't include insn-config.h. Do include vec.h.
12357 Declare vectors of int, char, and locstr.
12358 (locstr): New typedef.
12359 (struct extraction): Make all array fields into bare pointers.
12360 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12361 (insn_code_number): Delete.
12362 (accum_extract): New struct.
12363 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12364 (gen_insn): Take insn_code_number as an argument. Use an
12365 accum_extract structure instead of loading data directly into
12366 a struct extraction, and having to know how big it might get.
12367 (walk_rtx): Operate entirely on an accum_extract structure.
12368 (print_path): Avoid unnecessary use of printf.
12369 (print_header): New function, split out of main. Distinguish
12370 more carefully between an unrecognizable insn and an insn that
12371 has the code number of a define_expand.
12372 (main): Pass insn_code_number to gen_insn. Call print_header
12373 only after parsing. Avoid unnecessary use of printf.
12374 * Makefile.in (build/vec.o): New rule.
12375 (build/genextract): Depend on build/vec.o.
12376 (build/genextract.o): Don't depend on insn-config.h.
12378 2006-01-22 Zack Weinberg <zackw@panix.com>
12380 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12381 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12382 practical. Eliminate per-generator-program link rules.
12384 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12386 PR middle-end/24437
12387 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12388 with a call expr to ...
12389 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12391 2006-01-23 Richard Guenther <rguenther@suse.de>
12393 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12394 before make_edge with conditional EDGE_TRUE_VALUE.
12396 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12397 Jan Hubicka <jh@suse.cz>
12398 Richard Guenther <rguenther@suse.de>
12400 PR rtl-optimization/25654
12401 * cfgexpand.c (aggregate_contains_union_type): New function.
12402 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12403 for structure variables that contain a union type.
12405 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12407 * gengtype.c (new_structure): Return the structure.
12408 (create_option): Add an extra "next" argument.
12409 (create_field): New function.
12410 (adjust_field_rtx_def): Use create_option and create_field.
12411 Remove a now-unnecessary call to find_structure.
12412 (adjust_field_tree_def): Likewise.
12413 (note_yacc_type): Remove an unnecessary call to find_structure.
12414 * gengtype.h (new_structure): Return the structure.
12415 (create_option): Add an extra argument.
12416 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12417 (option): Adjust calls to create_option.
12419 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12421 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12423 2006-01-22 Paul Brook <paul@codesourcery.com>
12424 Peter Barada <peter@the-baradas.com>
12426 * config/m68k/m68k.md: Add Coldfire FPU support.
12427 Define FP mode macro and associated attributes.
12428 Use it for float mode patterns.
12429 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12430 (LIBCALL_VALUE): Use m68k_libcall_value.
12431 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12432 (m68k_function_value): Ditto.
12433 (emit_move_sequence): Ditto.
12434 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12435 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12436 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12437 (MULTILIB_EXCEPTIONS): Ditto.
12438 * config/m68k/m68k.opt: Add mcfv4e.
12439 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12440 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12441 (m68k_output_function_prologue): Save ColdFire FPU registers.
12442 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12443 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12444 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12445 ColdFire FPU registers.
12446 (m68k_libcall_value, m68k_function_value): New functions.
12447 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12448 (LIBCALL_VALUE): Use m68k_libcall_value.
12449 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12450 (MASK_COLDFIRE): Add MASK_CFV4E.
12451 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12452 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12453 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12454 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12455 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12456 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12457 * doc/invoke.tex: Document -mcfv4e on m68k.
12459 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12461 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12462 URL.
12464 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12466 PR c++/16190
12467 * c-opts.c (c_common_handle_option): Don't include
12468 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12469 * doc/invoke.texi (C++ Dialect Options): Document that
12470 -Wnon-virtual-dtor is no longer included in -Wall.
12472 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12474 * gcov.c (print_version), gcov-dump.c (print_version),
12475 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12476 dates.
12478 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12480 * df-scan.c (problem_SCAN): Added NULL reset function.
12481 (df_scan_reset_blocks): Added code to call reset block function
12482 (df_bb_refs_delete) Fixed comment.
12483 (df_insn_refs_delete): Made tolerant of deleting non existent info
12484 for dataflow problems that need to be reset.
12485 * df-core.c (df_set_blocks): Ditto.
12486 * df.h (struct df_problem): Added reset_fun.
12487 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12488 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12489 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12490 functions to clear out all references to def-use or use-def chains.
12492 2006-01-21 Ben Elliston <bje@au.ibm.com>
12494 * varasm.c (assemble_real): Initialise data array.
12496 2006-01-20 Paul Brook <paul@codesourcery.com>
12498 Merge from csl-arm-branch.
12499 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12500 * config/arm/arm.md (movdi): Force operands[1] to a register
12501 if we have a non-register source.
12502 (*arm_movdi, *movdf_soft_insn): Require that one of the
12503 operands be a register.
12504 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12505 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12507 2006-01-20 DJ Delorie <dj@redhat.com>
12509 * varasm.c (initializer_constant_valid_p): Allow pointers
12510 initialized from integer constants of lesser precision.
12511 (output_constant): Allow non-int-sized pointer modes to be
12512 initialized from integer constants.
12514 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12516 PR libstdc++/25524
12517 * cppdefault.h (struct default_include): Add multilib flag.
12518 * cppdefault.c (cpp_include_defaults): Set it.
12519 * c.opt (-imultilib): New option.
12520 * c-opts.c (imultilib): New.
12521 (c_common_handle_option): Handle -imultilib.
12522 (c_common_post_options): Likewise.
12523 * c-incpath.c (add_standard_paths, register_include_chains):
12524 Likewise.
12525 * c-incpath.h (register_include_chains): Add extra parameter.
12526 * gcc.c (do_spec_1): Generate -imultilib option.
12527 (The Specs Language): Update %I description.
12528 (process_command): Update copyright notice.
12529 * doc/cppopts.texi (-imultilib): Document.
12530 * doc/invoke.texi (-imultilib): Include in option summary.
12531 (%I): Update specs documentation.
12533 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12535 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12537 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12539 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12540 label numbers.
12542 2006-01-20 Richard Guenther <rguenther@suse.de>
12543 Steven Bosscher <stevenb.gcc@gmail.com>
12545 PR rtl-optimization/24626
12546 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12547 EDGE_TRUE_VALUE if in RTL mode.
12549 Revert
12550 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12551 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12553 2006-01-20 Dirk Mueller <dmueller@suse.com>
12555 PR c++/5520
12556 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12557 instead of a special NOP marker.
12558 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12559 NOP marker handling.
12560 * c-common.h (empty_body_warning): Add forward declaration.
12561 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12562 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12564 2006-01-20 Paul Brook <paul@codesourcery.com>
12566 * Makefile.in (lang_checks): Keep going if mkdir fails.
12568 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12570 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12571 be able to clean out basic block when not necessary.
12572 (df_scan_free): Fixed to properly delete information if df is
12573 unused before calling df_finish.
12574 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12575 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12576 or comment typos.
12577 (df_bb_refs_delete): New function.
12578 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12579 * df-core.c (df_set_blocks): Added code to properly clean out
12580 unused blocks if they are not part of the blocks to consider.
12581 Added additional null check.
12582 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12583 be able to clean out basic block when not necessary
12584 * df.h (df_free_bb_function): Ditto.
12585 (df_bb_refs_delete): New function.
12586 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12587 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12588 basic block parameter to be able to clean out basic block when not
12589 necessary.
12590 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12591 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12592 Fixed to properly delete information if df is unused before
12593 calling df_finish.
12595 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12597 PR rtl-optimization/25799
12598 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12599 Corrected confluence operator to remove bits from op2 before oring
12600 with op1 rather than removing bits from op1.
12601 (df_ru_transfer_function): Corrected test on wrong bitmap which
12602 caused infinite loop. Both of these problems were introduced in
12603 the dataflow rewrite.
12605 2006-01-19 DJ Delorie <dj@redhat.com>
12607 * reload1.c (find_reload_regs): Note the details of reload
12608 failures in the dump file.
12609 (spill_failure): Likewise.
12611 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12613 * loop-iv.c: Include df.h and hashtab.h.
12614 (enum iv_grd_result): New enum.
12615 (DF_REF_IV, DF_REF_IV_SET): New macros.
12616 (struct biv_entry): New.
12617 (df, bivs): New global variables.
12618 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12619 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12620 Removed.
12621 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12622 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12623 analyzed_for_bivness_p, record_biv): New functions.
12624 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12625 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12626 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12627 UD chains.
12628 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12629 analysed.
12630 (iv_number_of_iterations): Use new interface to iv analysis.
12631 * loop-unroll.c: Do not include varray.h.
12632 (analyze_iv_to_split_insn): Use new interface to iv
12633 analysis.
12634 * loop-unswitch.c (may_unswitch_on): Ditto.
12635 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12636 allocated.
12637 (df_bb_modify): Realloc tables to the new index.
12638 (df_find_use): New function.
12639 * df.h (df_find_use): Declare.
12640 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12641 outmode.
12642 * cfgloop.h (struct rtx_iv): Remove analysed field.
12643 (iv_get_reaching_def): Removed.
12644 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12645 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12646 (loop-iv.o): Add df.h and hashtab.h dependency.
12647 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12649 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12651 PR target/25668
12652 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12653 Double TFmode.
12654 (__floatundisf, __floatundidf): Likewise.
12655 * libgcc2.h (IS_IBM_EXTENDED): Define.
12657 2006-01-19 DJ Delorie <dj@redhat.com>
12659 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12661 2006-01-19 Paul Brook <paul@codesourcery.com>
12663 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12664 as nothrow when unwinding tables are disabled.
12666 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12668 PR testsuite/25171
12669 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12670 of bit-field" when in system header.
12672 2006-01-19 DJ Delorie <dj@redhat.com>
12674 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12675 the 16 bit shift limit of the m16c.
12677 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12679 PR target/22099
12680 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12681 * config/i386/i386.c (output_set_got): Output the label if we have one
12682 for the TARGET_DEEP_BRANCH_PREDICTION case.
12684 2006-01-19 Jan Hubicka <jh@suse.cz>
12685 H.J. Lu <hongjiu.lu@intel.com>
12686 Evandro Menezes <evandro.menezes@amd.com>
12688 * invoke.texi (generic): Document
12689 (i686) Update.
12690 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12691 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12692 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12693 (x86_use_incdec, x86_pad_returns): New variables
12694 (TARGET_CPU_DEFAULT_generic): New constant
12695 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12696 (enum processor_type): Add generic32 and generic64.
12697 * i386.md (cpu attribute): Add generic32/generic64
12698 (movhi splitter): Behave sanely when both partial_reg_dependency and
12699 partial_reg_stall are set.
12700 (K8 splitters): Enable for generic as well.
12701 * predicates.md (incdec_operand): Use TARGET_INCDEC
12702 (aligned_operand): Avoid memory mismatch stalls.
12703 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12704 * ppro.md: Enable for generic32
12705 * i386.c (generic64_cost, generic32_cost): New.
12706 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12707 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12708 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12709 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12710 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12711 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12712 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12713 x86_accumulate_outgoing_args, x86_prologue_using_move,
12714 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12715 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12716 Enable for generic.
12717 (x86_use_incdec, x86_pad_returns): New.
12718 (override_options): Add generic32 and generic64, translate "generic"
12719 to generic32/generic64 and "i686" to "generic32", refuse
12720 "generic32"/"generic64" as arch target.
12721 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12722 (ix86_reorg): Honor PAD_RETURNS.
12724 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12726 * tree-pretty-print.c (dump_generic_node): Handle
12727 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12728 * cgraph.c (cgraph_expand_queue): Rename from
12729 cgraph_analyze_queue. Update all users.
12730 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12731 cgraph_expand_queue.
12732 (cgraph_expand_all_functions): Likewise.
12733 (cgraph_finalize_pending_functions): Remove. Update callers.
12735 * tree.h (OMP_DIRECTIVE_P): Define.
12736 (OMP_PARALLEL_FN): Define.
12737 (OMP_PARALLEL_DATA_ARG): Define.
12738 (OMP_SECTIONS_SECTIONS): Define.
12739 * tree-pass.h (pass_expand_omp): Declare.
12740 * omp-low.c (struct omp_region): Declare.
12741 (struct omp_context): Remove fields 'parallel_type',
12742 'parallel_start_ix' and 'parallel_start_additional_args'.
12743 Update all users.
12744 (struct omp_for_data): Rename from struct expand_omp_for_data.
12745 (omp_regions): New static variable.
12746 (root_omp_region): New static variable.
12747 (find_omp_clause): Make static.
12748 (is_in_combined_parallel_ctx): Remove.
12749 (is_combined_parallel): New.
12750 (extract_omp_for_data): Move earlier in the file.
12751 (workshare_safe_to_combine_p): New.
12752 (get_ws_args_for): New.
12753 (determine_parallel_type): Move earlier in the file.
12754 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12755 child function.
12756 (omp_copy_decl): Likewise.
12757 (create_omp_child_function): Likewise.
12758 (lookup_omp_region): New.
12759 (dump_omp_region): New.
12760 (debug_omp_region): New.
12761 (debug_all_omp_regions): New.
12762 (new_omp_region): New.
12763 (scan_omp_parallel): If parallel_nesting_level > 1, the
12764 directive is nested within another parallel directive.
12765 Set OMP_PARALLEL_FN.
12766 (scan_omp_for): Do not try to handle combined parallel+for
12767 cases.
12768 Remove FIXME comment.
12769 (scan_omp_nested): Remove.
12770 (scan_omp_1): Do not call scan_omp_nested when
12771 parallel_nesting_level is > 1.
12772 Do not change the DECL_CONTEXT of local variables found.
12773 (lookup_decl_in_outer_ctx): New.
12774 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12775 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12776 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12777 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12778 If CTX is nested, lookup VAR in the outer context when
12779 building copy assignment.
12780 (lower_send_clauses): Rename from expand_send_clauses.
12781 If CTX is nested, lookup VAR in the outer context when
12782 building copy assignments.
12783 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12784 If CTX is nested, lookup VAR in the outer context when
12785 building copy assignments.
12786 (expand_parallel_call): Rename from build_parallel_call.
12787 Handle combined parallel+workshare cases.
12788 Re-implement to emit code into the CFG.
12789 (list2chain): New.
12790 (expand_omp_parallel): Re-implement to emit code into the CFG.
12791 Call move_sese_region_to_fn to outline the sub-graph
12792 containing the parallel region.
12793 (expand_omp_for_1): Remove.
12794 (expand_omp_for_generic): Re-implement to emit code into the
12795 CFG.
12796 (expand_omp_for_static_nochunk): Likewise.
12797 (expand_omp_for_static_chunk): Likewise.
12798 (expand_omp_for): Likewise.
12799 (expand_omp_sections): Likewise.
12800 (remove_exit_barriers): New.
12801 (expand_omp_synch): New.
12802 (expand_omp): New.
12803 (build_omp_regions_1): New.
12804 (build_omp_regions): New.
12805 (execute_expand_omp): New.
12806 (gate_expand_omp): New.
12807 (pass_expand_omp): Define.
12808 (lower_omp_sections): Rename from expand_omp_sections.
12809 Set OMP_SECTIONS_SECTIONS.
12810 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12811 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12812 (lower_omp_single): Rename from expand_omp_simple.
12813 (lower_omp_master): Rename from expand_omp_master.
12814 (lower_omp_ordered): Rename from expand_omp_ordered.
12815 (lower_omp_critical): Rename from expand_omp_critical.
12816 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12817 (lower_omp_for): Re-implement.
12818 (lower_omp_parallel): Re-implement.
12819 (lower_regimplify): Rename from expand_regimplify.
12820 (lower_omp_1): Rename from expand_omp_1.
12821 If there are syntax errors in the program, replace every
12822 OpenMP directive with NOP.
12823 Call lower_omp_* instead of expand_omp_*.
12824 (lower_omp): Rename from expand_omp.
12826 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12827 * tree-gimple.h (enum omp_parallel_type): Remove.
12828 (gimple_boolify): Declare extern.
12829 (find_omp_clause, determine_parallel_type): Remove.
12831 * gimple-low.c (lower_omp_directive): New.
12832 (lower_stmt): Call it.
12833 (record_vars_into): Move from ...
12834 (record_vars): ... here.
12835 Call record_vars_into with current_function_decl.
12837 * gimplify.c (struct gimplify_ctx): Remove fields
12838 combined_pre_p and combined_ctxp. Update users.
12839 (get_formal_tmp_var): Add documentation.
12840 (gimple_boolify): Make extern.
12841 (gimplify_expr_in_ctx): Remove. Update callers.
12842 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12843 will always be a BIND_EXPR.
12844 (gimplify_expr): Handle OMP_RETURN_EXPR.
12845 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12846 (OMP_PARALLEL): Add 3 operands.
12847 (OMP_SECTIONS): Add 1 operand.
12848 (OMP_RETURN_EXPR): Define.
12850 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12851 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12852 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12853 creating a circular free list.
12854 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12856 * tree-flow.h (move_sese_region_to_fn): Declare.
12857 (record_vars_into): Declare.
12858 * tree-cfg.c (make_omp_sections_edges): New.
12859 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12860 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12861 OMP_SECTIONS and OMP_SECTION.
12862 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12863 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12864 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12865 (gather_blocks_in_sese_region): New.
12866 (struct move_stmt_d): Declare.
12867 (move_stmt_r): New.
12868 (move_block_to_fn): New.
12869 (move_sese_region_to_fn): New.
12871 * passes.c (init_optimization_passes): Schedule
12872 pass_expand_omp after pass_init_datastructures.
12874 * tree-ssa-operands.c (get_expr_operands): Handle
12875 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12876 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12878 2006-01-19 Jeff Law <law@redhat.com>
12880 * tree-vrp.c (extract_range_from_assert): Refine the result range
12881 if the variable referenced by the ASSERT_EXPR has a range and
12882 either the tentative result range or the previous range is a
12883 VR_ANTI_RANGE.
12885 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12887 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12889 2006-01-19 Jan Hubicka <jh@suse.cz>
12891 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12893 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12895 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12896 (expand_compound_operation, expand_field_assignment): Fail if the
12897 bit lengths of an extract operation are out of range.
12898 (make_extraction): Compute wanted_inner_mode based on the position
12899 and length of the extraction. Make it extraction_mode for non-constant
12900 positions, and do not modify offset in that case. When generating a
12901 new MEM, use a mode that can hold the extraction while keeping correct
12902 alignment. Remove code that supported MEMs wrapped by USEs.
12903 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12905 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12907 * config/s390/s390.md ("Y", "y"): New mode attribute.
12908 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12909 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12910 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12911 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12912 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12913 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12914 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12915 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12916 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12917 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12918 "addsi3", "subsi3"): Insn patterns removed.
12919 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12920 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12921 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12922 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12923 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12924 "*sub<mode>3_cconly2"): New insn patterns.
12925 ("addsi3", "subsi3"): New expanders.
12927 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12929 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12930 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12931 existing STMT_VINFO_VECTYPE if available.
12932 (vect_mark_relevant): Add special handling for stmts that are
12933 marked as STMT_VINFO_IN_PATTERN_P.
12934 (vect_analyze_loop): Call vect_pattern_recog.
12935 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12936 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12937 stmt_info.
12938 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12939 (vect_recog_func_ptr): New function-pointer type.
12940 * tree-vect-patterns.c: New file.
12941 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12942 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12943 (vect_pattern_recog_1): New functions.
12944 (vect_pattern_recog_funcs): New array of function pointers.
12946 * tree-vectorizer.h (ternary_op): New enum value.
12947 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12948 declaration. Revised documentation. Removed redundant dump prints.
12949 Removed redundant argument. Added support for reduction patterns.
12950 (vectorizable_reduction): Added support for reduction patterns.
12951 (vect_transform_stmt): Added support for patterns.
12953 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12954 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12955 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12956 (expand_widen_pattern_expr): New function.
12957 (init_optabs): Initialize new optabs udot_prod_optab,
12958 sdot_prod_optab.
12959 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12960 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12961 (expand_widen_pattern_expr): New function declaration.
12962 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12963 tree-codes.
12964 * tree-inline.c (estimate_num_insns_1): Added cases for new
12965 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12966 * tree-pretty-print.c (dump_generic_node): Likewise.
12967 (op_prio): Likewise.
12968 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12969 * tree-ssa-operands.c (get_expr_operands): Added case for
12970 DOT_PROD_EXPR.
12971 * tree-vect-patterns.c (widened_name_p): New function.
12972 (vect_recog_dot_prod_pattern): Added function implementation.
12973 * tree-vect-transform.c (get_initial_def_for_reduction): Added
12974 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
12975 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
12976 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
12978 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
12979 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
12980 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
12981 (init_optabs): Initialize new optabs widen_ssum_optab,
12982 widen_usum_optab.
12983 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
12984 (widen_ssum_optab, widen_usum_optab): Define new optabs.
12985 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
12986 use instead of type of def.
12987 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
12988 function implementation.
12989 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
12990 widen_ssumv8hi): New.
12992 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
12993 patterns.
12995 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12997 PR c/25805
12998 * c-decl.c (add_flexible_array_elts_to_size): New function.
12999 (finish_decl): Use it.
13001 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13003 * diagnostic.h: Include options.h.
13004 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13005 dependancies for diagnostic.h.
13006 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13008 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13010 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13011 (ssa_ro_call_cache_valid): Ditto.
13012 * tree-ssa-alias.c (sort_tags_by_id): New function.
13013 (init_transitive_clobber_worklist): Ditto.
13014 (add_to_worklist): Ditto.
13015 (mark_aliases_call_clobbered): Ditto.
13016 (compute_tag_properties): Ditto.
13017 (set_initial_properties): Ditto.
13018 (compute_call_clobbered): Ditto.
13019 (compute_may_aliases): Call compute_call_clobbered and grouping.
13020 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13021 (compute_flow_insensitive_aliasing): Grouping now happens in our
13022 caller.
13023 (setup_pointers_and_addressables): Remove clobbering related code.
13024 (add_may_alias): Ditto.
13025 (replace_may_alias): Ditto.
13026 (get_nmt_for): Ditto.
13027 (create_global_var):
13028 (is_escape_site): Return an escape_type enumeration.
13029 * tree-flow-inline.h (is_call_clobbered): Global var does not
13030 imply call clobbered.
13031 (mark_call_clobbered): Take a reason for marking this. Remove
13032 marking of globalness, and cache invalidation.
13033 (clear_call_clobbered): Remove cache invalidation code.
13034 * tree-dfa.c (dump_variable): If details is on, dump the reason
13035 for escaping.
13036 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13037 variable.
13038 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13039 (struct var_ann_d): Ditto.
13040 (enum escape_type): New.
13041 (mark_call_clobbered): Adjust prototype.
13042 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13043 are never call clobbered.
13044 Record reasons for escaping.
13045 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13046 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13047 (ssa_ro_call_cache_valid): Ditto.
13048 (clobbered_v_may_defs): Ditto.
13049 (clobbered_vuses): Ditto.
13050 (ro_call_vuses): Ditto.
13051 (clobber_stats): New.
13052 (init_ssa_operands): Zero out clobber stats.
13053 (fini_ssa_operands): Print out clobber stats.
13054 (get_call_expr_operands): Pass callee fndecl to
13055 add_call_read_ops).
13056 (add_call_clobber_ops): Remove use of cache.
13057 Add use of PURE_CONST information.
13058 (add_call_read_ops): Remove use of cache.
13059 Add use of static not_read information.
13061 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13063 Introduce TLS descriptors for i386 and x86_64.
13064 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13065 (TARGET_ANY_GNU_TLS): New macro.
13066 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13067 (struct machine_function): Add tls_descriptor_call_expanded_p.
13068 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13069 (ix86_current_function_calls_tls_descriptor): Likewise.
13070 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13071 (override_options): Introduce gnu2 tls dialect.
13072 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13073 not leaves.
13074 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13075 Likewise.
13076 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13077 (ix86_init_machine_status): Initialize new field.
13078 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13079 (ix86_tls_module_base): New.
13080 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13081 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13082 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13083 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13084 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13085 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13086 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13087 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13088 * config/i386/predicates.md (tls_modbase_operand): New.
13089 (tp_or_register_operand): New.
13091 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13093 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13094 (look_for_address_of): Ditto.
13095 (ipa_init): Walk the function decls.
13096 (static_execute): Don't set readonly on FUNCTION_DECL's.
13098 2006-01-18 Roger Sayle <roger@eyesopen.com>
13100 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13101 for shifts where the source and destination registers are different.
13103 2006-01-18 Paul Brook <paul@codesourcery.com>
13105 Merge from csl-arm-branch.
13106 2005-03-14 Julian Brown <julian@codesourcery.com>
13107 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13108 (aeabi_llsl): Likewise.
13109 (ashrdi3): Likewise.
13110 (aeabi_lasr): Likewise.
13111 (lshrdi3): Likewise.
13112 (aeabi_llsr): Likewise.
13113 2005-03-10 Julian Brown <julian@codesourcery.com>
13114 * config.gcc: Disable shared libgcc for SymbianOS.
13115 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13117 2006-01-18 DJ Delorie <dj@redhat.com>
13119 * c-pragma.c (handle_pragma_diagnostic): New.
13120 (init_pragma): Register it.
13121 * doc/extend.texi: Document it.
13123 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13124 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13125 (diagnostic_context): Add classify_diagnostic[].
13126 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13127 as errors if they're overridden to DK_WARNING.
13128 (diagnostic_initialize): Initialize classify_diagnostic[].
13129 (diagnostic_set_kind_override): New.
13130 (diagnostic_report_diagnostic): Check for kind changes.
13131 * opts.c (common_handle_option): Take lang_mask. Update callers.
13132 Handle OPT_Werror_.
13133 * common.opt (Werror=): New.
13134 * doc/invoke.texi: Document -Werror=*
13136 2006-01-18 Jeff Law <law@redhat.com>
13138 * tree-vrp.c (test_for_singularity): Correct test for new
13139 min limit. Use operand_equal_p rather than pointer equality
13140 for testing if new min/max values are equal.
13142 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13143 using range information until after propagation and folding.
13145 2006-01-18 Richard Henderson <rth@redhat.com>
13146 Aldy Hernandez <aldyh@redhat.com>
13147 Jakub Jelinek <jakub@redhat.com>
13148 Diego Novillo <dnovillo@redhat.com>
13150 * omp-low.c: New file.
13151 * c-omp.c: New file.
13153 2006-01-18 Richard Henderson <rth@redhat.com>
13154 Jakub Jelinek <jakub@redhat.com>
13155 Diego Novillo <dnovillo@redhat.com>
13157 * doc/invoke.texi: Document -fopenmp.
13158 * tree-dump.h (debug_function): Declare.
13159 * hooks.c (hook_bool_tree_bool_false): New function.
13160 (hook_tree_tree_null): Remove.
13161 (hook_tree_tree_tree_null): New.
13162 * hooks.h: Update to match.
13163 * tree-pretty-print.c (debug_tree_chain): New.
13164 (print_generic_expr): Handle TDF_CHAIN.
13165 (dump_generic_node): Handle BLOCK.
13166 Do not abort with incomplete SWITCH_EXPRs.
13167 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13168 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13169 print space after directive name.
13170 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13171 Handle OMP_MASTER and OMP_ORDERED.
13172 Handle printing of OMP_BODY just in one place, goto
13173 dump_omp_body in the rest of OMP_* nodes that have
13174 OMP_BODY.
13175 Don't handle clause nodes here. Update omp statements to
13176 use dump_omp_clauses.
13177 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13178 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13179 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13180 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13181 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13182 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13183 Adjust output for GOMP_PARALLEL.
13184 (dump_omp_clauses): New.
13185 (print_declaration): Dump DECL_VALUE_EXPR.
13186 (op_symbol_1): Split out of op_symbol.
13187 (dumping_stmts): Remove. Update all users.
13188 * cgraph.c (cgraph_analyze_queue): New.
13189 (cgraph_add_new_function): New.
13190 * cgraph.h (cgraph_analyze_queue): Declare.
13191 (cgraph_add_new_function): Declare.
13192 (cgraph_lower_function): Remove.
13193 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13194 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13195 and TYPE_P nodes in its default clause.
13196 (empty_body_p): New.
13197 (tree_range_check_failed): New.
13198 (build5_stat): New.
13199 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13200 OMP_CLAUSE_REDUCTION_MERGE,
13201 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13202 OMP_CLAUSE_PRIVATE_DEBUG,
13203 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13204 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13205 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13206 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13207 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13208 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13209 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13210 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13211 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13212 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13213 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13214 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13215 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13216 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13217 (TREE_RANGE_CHECK): New.
13218 (empty_body_p): Declare.
13219 (enum omp_clause_default_kind): New.
13220 (build_string_literal): Declare.
13221 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13222 (build5_stat, build5): Declare.
13223 * tree-pass.h (TDF_CHAIN): Define.
13224 * tree-pass.h (PROP_gimple_lomp): Define.
13225 (pass_lower_omp): Declare.
13226 * diagnostic.h (debug_tree_chain): Declare.
13227 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13228 mode_for_size.
13229 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13230 * builtins.c (build_string_literal): Make extern.
13231 * gcc.c (include_spec_function): New.
13232 (static_spec_functions): Add it.
13233 (main): Move load of libgomp.spec ...
13234 (LINK_COMMAND_SPEC): ... here.
13235 (link_gomp_spec): New.
13236 (static_specs): Include it.
13237 (LINK_COMMAND_SPEC): Add link_gomp.
13238 (GOMP_SELF_SPECS): New.
13239 (driver_self_specs): Include it.
13240 (switch_matches): Don't mark inline.
13241 (main): Load libgomp.spec.
13242 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13243 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13244 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13245 * tree-gimple.h (enum omp_parallel): Declare.
13246 (determine_parallel_type): Declare.
13247 (omp_firstprivatize_variable): Declare.
13248 (omp_reduction_init): Declare.
13249 (diagnose_omp_structured_block_errors): Declare.
13250 (struct walk_stmt_info): Add want_return_expr.
13251 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13252 (find_omp_clause): Declare.
13253 (insert_field_into_struct): Declare.
13254 (struct walk_stmt_info): Move from tree-nested.c
13255 (walk_stmts): Declare.
13256 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13257 to 200505.
13258 * cgraphunit.c (cgraph_lower_function): Make static.
13259 (cgraph_finalize_pending_functions): New.
13260 (cgraph_finalize_function): Call it.
13261 (cgraph_finalize_compilation_unit): Likewise.
13262 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13263 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13264 (BT_FN_UINT_UINT): New.
13265 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13266 DEF_FUNCTION_TYPE_VAR_4): Document.
13267 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13268 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13269 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13270 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13271 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13272 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13273 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13274 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13275 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13276 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13277 into separate files.
13278 (DEF_GOMP_BUILTIN): New.
13279 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13280 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13281 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13282 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13283 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13284 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13285 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13286 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13287 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13288 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13289 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13290 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13291 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13292 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13293 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13294 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13295 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13296 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13297 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13298 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13299 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13300 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13301 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13302 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13303 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13304 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13305 * sync-builtins.def: New file, moved from builtins.def.
13306 * omp-builtins.def: New file, moved from builtins.def.
13307 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13308 * gimple-low.c (lower_function_body): Clear data.
13309 (lower_stmt): Do not handle COMPOUND_EXPR.
13310 Remove call to print_node_brief.
13311 * c-tree.h (c_finish_omp_clauses): New prototype.
13312 (C_DECL_THREADPRIVATE_P): Define.
13313 (lookup_name_no_remap, c_omp_remap_private): Remove
13314 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13315 (check_for_loop_decls): Update decl.
13316 (lookup_name_no_remap, c_omp_remap_private): Declare.
13317 (build_indirect_ref, build_modify_expr, pushdecl,
13318 pushdecl_top_level): Move to c-common.h.
13319 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13320 before the switch, but just in the 2 places that need it.
13321 * c-decl.c (diagnose_mismatched_decls): Do not check for
13322 mismatched thread-local attributes when OLDDECL is marked
13323 threadprivate and NEWDECL has no thread-local attributes.
13324 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13325 (c_gimple_diagnostics_recursively): Rename from
13326 c_warn_unused_result_recursively. Invoke
13327 diagnose_omp_structured_block_errors.
13328 (check_for_loop_decls): Return a singular decl found.
13329 * langhooks.c (lhd_omp_predetermined_sharing): Return
13330 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13331 (lhd_omp_firstprivatize_type_sizes): New.
13332 (lhd_omp_assignment): New.
13333 (lhd_omp_predetermined_sharing): New.
13334 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13335 (struct lang_hooks_for_types): Add
13336 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13337 omp_predetermined_sharing, omp_disregard_value_expr,
13338 omp_private_debug_clause, omp_clause_default_ctor,
13339 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13340 (c_finish_omp_clauses): New.
13341 (c_finish_bc_stmt): Diagnose break within omp for.
13342 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13343 (build_unary_op): Return error_mark after reporting
13344 a readonly_error.
13345 (build_modify_expr): Likewise.
13346 * gimplify.c: Include optabs.h and pointer-set.h.
13347 (enum gimplify_omp_var_data): Declare.
13348 (struct gimplify_omp_ctx): Declare.
13349 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13350 and combined_ctxp.
13351 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13352 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13353 (splay_tree_compare_decl_uid): New.
13354 (new_omp_context): New.
13355 (delete_omp_context): New.
13356 (gimple_add_tmp_var): Call omp_add_variable.
13357 (gimplify_bind_expr): Likewise.
13358 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13359 true, disregard DECL_VALUE_EXPR on the decl if any.
13360 (gimplify_expr_in_ctx): New.
13361 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13362 omp_add_variable, omp_notice_variable, omp_is_private
13363 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13364 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13365 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13366 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13367 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13368 gimplify_omp_atomic): New.
13369 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13370 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13371 OMP_CRITICAL and OMP_ATOMIC.
13372 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13373 * c-pragma.h (enum pragma_kind): Add
13374 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13375 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13376 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13377 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13378 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13379 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13380 PRAGMA_OMP_THREADPRIVATE.
13381 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13382 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13383 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13384 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13385 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13386 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13387 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13388 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13389 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13390 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13391 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13392 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13393 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13394 OpenMP directives.
13395 (struct nesting_info): Add field_map,
13396 suppress_expansion, debug_var_chain.
13397 (create_nesting_tree): Initialize them.
13398 (lookup_field_for_decl): Use field_map.
13399 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13400 (convert_local_omp_clauses): New.
13401 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13402 (walk_body): Split out of walk_function.
13403 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13404 (convert_nonlocal_reference): Handle omp statements.
13405 (convert_local_reference): Likewise.
13406 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13407 (unnest_nesting_tree): New.
13408 (lower_nested_functions): Call it.
13409 (insert_field_into_struct): Make extern.
13410 (struct walk_stmt_info): Move to tree-gimple.h.
13411 (walk_stmts): Make extern.
13412 * omp-builtins.def: New file.
13413 * tree-iterator.c (expr_only): Clarify comment.
13414 * c-common.h (pushdecl_top_level, pushdecl,
13415 build_modify_expr, build_indirect_ref,
13416 c_finish_omp_master, c_finish_omp_critical,
13417 c_finish_omp_ordered, c_finish_omp_barrier,
13418 c_finish_omp_atomic, c_finish_omp_flush,
13419 c_finish_omp_for, c_split_parallel_clauses,
13420 omp_clause_default_kind, c_omp_sharing_predetermined,
13421 c_omp_remap_decl): Declare.
13422 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13423 (OBJS-common): Add omp-low.o.
13424 (c-omp.o, omp-low.o): Add.
13425 (gimplify.o): Add dependency on $(OPTABS_H).
13426 (GTFILES): Add omp-low.c.
13427 (gt-stringpool.h): Add.
13428 * tree-cfg.c (set_bb_for_stmt): Do not update the
13429 block-to-labels map if we are currently expanding to RTL.
13430 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13431 checks.
13432 Handle IDENTIFIER_NODE.
13433 (tree_verify_flow_info): Do not ICE when emitting error
13434 messages about invalid labels.
13435 (dump_function_to_file): Reset CFUN before emitting the body
13436 of the function.
13437 (debug_function): New.
13438 * passes.c (init_optimization_passes): Schedule
13439 pass_lower_omp.
13440 * langhooks-def.h (lhd_omp_predetermined_sharing,
13441 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13442 Declare.
13443 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13444 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13445 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13446 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13447 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13448 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13449 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13450 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13451 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13452 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13453 (LANG_HOOK_DECLS): Use them.
13455 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13456 Richard Henderson <rth@redhat.com>
13457 Jakub Jelinek <jakub@redhat.com>
13458 Diego Novillo <dnovillo@redhat.com>
13460 * c-parser.c (pragma_omp_clause): Define.
13461 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13462 (c_parser_compound_statement): Likewise.
13463 (c_parser_statement): Likewise.
13464 (c_parser_pragma): Handle omp pragmas.
13465 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13466 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13467 (c_parser_omp_clause_name, check_no_duplicate_clause,
13468 c_parser_omp_variable_list,
13469 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13470 c_parser_omp_clause_copyprivate,
13471 c_parser_omp_clause_default,
13472 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13473 c_parser_omp_clause_lastprivate,
13474 c_parser_omp_clause_nowait,
13475 c_parser_omp_clause_num_threads,
13476 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13477 c_parser_omp_clause_reduction,
13478 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13479 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13480 c_parser_omp_atomic, c_parser_omp_barrier,
13481 c_parser_omp_critical, c_parser_omp_flush,
13482 c_parser_omp_for_loop, c_parser_omp_for,
13483 c_parser_omp_master, c_parser_omp_ordered,
13484 c_parser_omp_sections_scope, c_parser_omp_sections,
13485 c_parser_omp_parallel, c_parser_omp_single,
13486 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13487 * c-pragma.c (init_pragma): Do omp pragma registration here.
13488 * c.opt (fopenmp): New flag.
13490 2006-01-18 Eric Christopher <echristo@apple.com>
13492 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13493 * config/darwin.h (GOMP_SELF_SPECS): Define.
13495 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13497 * rtl.h: Remove the prototype for reg_alloc.
13499 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13501 PR target/25731
13502 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13503 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13504 sjlj and dwarf2 exception handling.
13505 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13506 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13507 * pa/pa.c (function_value): Treat complex and vector types as
13508 aggregates.
13509 (function_arg): Likewise. Only pass scalar floats in the floating
13510 point argument registers.
13511 * pa/t-slibgcc-dwarf-ver: New file.
13512 * pa/t-slibgcc-sjlj-ver: New file.
13513 * pa/t-slibgcc-elf-ver: Delete file.
13515 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13517 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13518 unlikely_test_section_p test.
13520 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13522 * mode-switching.c (optimize_mode_switching): Make it static.
13523 * basic-block.h: Remove the prototype for
13524 optimize_mode_switching.
13526 * modulo-sched.c (sms_schedule): Make it static.
13527 * rtl.h: Remove the prototype for sms_schedule.
13529 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13530 * rtl.h: Remove the prototype for gcse_after_reload_main.
13532 * reg-stack.c (reg_to_stack): Make it static.
13533 * rtl.h: Remove the prototype for reg_to_stack.
13535 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13536 Make them static.
13537 * rtl.h: Remove the prototypes for regrename_optimize and
13538 copyprop_hardreg_forward.
13540 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13542 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13543 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13544 Test against the appropriate null constant for the mode.
13545 If 'fixup_overlap' is true, swap the operands if they overlap.
13546 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13547 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13548 alpha_split_tmode_pair and adjust for above change.
13549 * config/alpha/alpha.md (movtf_internal): Adjust call to
13550 alpha_split_tfmode_pair and rely on it to swap the operands.
13551 (movti_internal): New insn and post-reload splitter.
13552 (movti): New expander.
13554 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13556 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13557 operands.
13559 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13561 * rtlanal.c (global_reg_mentioned_p_1,
13562 global_reg_mentioned_p): Remove.
13563 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13565 * flow.c (initialize_uninitialized_subregs): Make it static.
13566 * rtl.h: Remove the prototype for
13567 initialize_uninitialized_subregs.
13569 * function.c (instantiate_virtual_regs): Make it static.
13570 * function.h: Remove the prototype for
13571 instantiate_virtual_regs.
13573 * regmove.c (regmove_optimize, combine_stack_adjustments):
13574 Make them static.
13575 * rtl.h: Remove the prototypes for regmove_optimize and
13576 combine_stack_adjustments.
13578 2006-01-17 Roger Sayle <roger@eyesopen.com>
13580 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13581 (size_cost): Encode costs in bytes so that a reg-reg addition is
13582 equivalent to COSTS_N_INSNS(1).
13583 (override_options): Use the size_cost.branch_cost as the default
13584 ix86_branch_cost when optimizing for size.
13586 2006-01-18 Ben Elliston <bje@au.ibm.com>
13588 * Makefile.in (D32PBIT_FUNCS): New.
13589 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13590 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13591 D64PBIT_FUNCS and D128PBIT_FUNCS.
13592 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13593 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13594 D128PBIT are set.
13595 (decnumber_dep): Define.
13596 * doc/libgcc.texi (Decimal float library routines): New node.
13597 * config/dfp-bit.h, config/dfp-bit.c: New files.
13599 2006-01-18 Ben Elliston <bje@au.ibm.com>
13601 * expr.c (emit_move_change_mode): Always adjust addresses, not
13602 just during reload. Copy replacements only during reload.
13603 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13604 emit_move_via_integer.
13606 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13608 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13609 instead of $(srcdir) and ${srcdir}.
13611 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13613 PR target/592
13614 PR middle-end/11135
13615 * arm.h (struct machine_function): Add pic_reg.
13616 * arm.c (arm_pic_register): Make unsigned.
13617 (arm_override_options): Only set arm_pic_register if
13618 TARGET_SINGLE_PIC_BASE.
13619 (use_return_insn): Only test for a pic register if it is fixed.
13620 (arm_compute_save_reg0_reg12_mask): Likewise.
13621 (thumb_compute_save_reg_mask): Likewise.
13622 (legitimate_pic_operand): Factor out some known invariants.
13623 (legitimize_pic_address): If we don't have a fixed pic register,
13624 then set up a pseudo in the function entry sequence. Handle the
13625 pic base being in a pseudo.
13626 (arm_load_pic_register): Handle the pic register being in a pseudo.
13627 (arm_expand_prologue): Only set up the pic register if it is fixed.
13628 (thumb_expand_prologue): Likewise.
13629 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13630 (pic_load_addr_based_insn): Likewise.
13631 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13632 fixed.
13634 2006-01-18 Ben Elliston <bje@au.ibm.com>
13636 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13637 decimal float modes for all floating point registers.
13639 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13640 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13642 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13644 PR c/25682
13645 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13646 even when the pointer is not NULL.
13648 2006-01-16 Ian Lance Taylor <ian@airs.com>
13650 * common.opt (ftoplevel-reorder): New option.
13651 * cgraph.c (cgraph_asm_nodes): New global variable.
13652 (cgraph_asm_last_node): New static variable.
13653 (cgraph_order): New global variable.
13654 (cgraph_create_node): Set new order field.
13655 (cgraph_varpool_node): Likewise.
13656 (decide_is_variable_needed): Return true if not
13657 flag_toplevel_reorder.
13658 (cgraph_add_asm_node): New function.
13659 * cgraph.h (struct cgraph_node): Add order field.
13660 (struct cgraph_varpool_node): Add order field.
13661 (struct cgraph_asm_node): Define.
13662 (cgraph_asm_nodes, cgraph_order): Declare.
13663 (cgraph_add_asm_node): Declare.
13664 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13665 function.
13666 (cgraph_varpool_assemble_pending_decls): Call it.
13667 (cgraph_output_pending_asms): New static function.
13668 (cgraph_finalize_compilation_unit): Call it.
13669 (struct cgraph_order_sort): Define.
13670 (cgraph_output_in_order): New static function.
13671 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13672 !flag_toplevel_reorder case.
13673 * c-parser.c: Include "cgraph.h".
13674 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13675 assemble_asm.
13676 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13677 than -fno-unit-at-a-time.
13678 * doc/invoke.texi (Option Summary): Mention
13679 -fno-toplevel-reorder.
13680 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13681 -funit-at-a-time documentation.
13683 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13684 Kazu Hirata <kazu@codesourcery.com>
13686 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13688 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13690 * Makefile.in (FUNCTION_H): New. Use it instead of
13691 function.h throughout the file.
13692 * function.h: Include tree.h.
13694 2006-01-17 Ben Elliston <bje@au.ibm.com>
13696 * recog.c: Separate some functions with whitespace.
13698 2006-01-16 Richard Henderson <rth@redhat.com>
13700 Merge from gomp branch:
13701 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13702 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13703 and rename from struct inline_data. Rename callee* to dst*;
13704 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13705 transform_new_cfg, transform_return_to_modify, and
13706 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13707 update_clones_p.
13708 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13709 (copy_decl_for_dup): Remove.
13710 * tree-inline.c (struct inline_data): Move to header.
13711 (insert_decl_map): Export.
13712 (remap_decl): Update for member name changes. Use copy_decl hook.
13713 Allow for replacement to be a non-decl. Remove dead code.
13714 (remap_type_1): Check for existing mapping.
13715 (remap_type): Export.
13716 (remap_decls): Update for member name changes.
13717 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13718 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13719 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13720 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13721 (tree_function_versioning, build_duplicate_type): Likewise.
13722 (copy_body_r): Likewise. Export.
13723 (copy_decl_for_dup): Split into ...
13724 (copy_decl_for_dup_finish, copy_decl_to_var,
13725 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13726 (replace_ref_tree, inlining_p): Remove.
13728 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13730 * ifcvt.c (if_convert): Make it static.
13731 * rtl.h: Remove the prototype for if_convert.
13733 * local-alloc.c (local_alloc): Make it static.
13734 * rtl.h: Remove the prototype for local_alloc.
13736 * loop.c (loop_optimize): Make it static.
13737 * cfgloop.h: Remove the prototype for loop_optimize.
13738 * rtl.h: Likewise.
13740 2006-01-16 DJ Delorie <dj@redhat.com>
13742 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13743 mems.
13745 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13747 * pa.md: Disparage copies between general and floating-point registers
13748 in 32-bit move patterns.
13750 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13752 PR testsuite/25741
13753 * Makefile.in (check-%): Depend on site.exp instead of
13754 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13755 directories.
13757 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13759 * global.c (global_alloc): Make it static.
13760 * rtl.h: Remove the prototype for global_alloc.
13762 2006-01-16 Richard Guenther <rguenther@suse.de>
13764 * tree-ssa-alias.c (struct used_part): Add write_only field.
13765 (get_or_create_used_part_for): Initialize it to true.
13766 (create_overlap_variables_for): Don't create structure variables
13767 for structures that only are written to.
13768 (find_used_portions): Handle MODIFY_EXPR to track whether a
13769 structure is only written to.
13771 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13773 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13774 static.
13775 * basic-block.h: Remove the prototype for
13776 partition_hot_cold_basic_blocks.
13778 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13780 * cppspec.c (lang_specific_spec_functions): Remove.
13781 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13782 * gcc.h (lang_specific_spec_functions): Remove.
13783 * gccspec.c (lang_specific_spec_functions): Remove.
13785 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13787 * combine.c (record_value_for_reg): Invalidate registers
13788 if INSN is null.
13789 (record_dead_and_set_regs_1): Likewise, by passing them to
13790 record_value_for_reg.
13791 (record_dead_and_set_regs): Invalidate stores made by a
13792 call. We do not combine across a call, but we still
13793 relied on equivalences.
13795 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13797 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13798 vrp_int_const_binop returning non-constant nodes.
13800 2006-01-16 Paul Brook <paul@codesourcery.com>
13802 * config/m68k/m68k.c (output_move_const_into_data_reg):
13803 Output correct mnemonic for mvz and mvs.
13805 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13807 * rtl-factoring.c: Add sequence abstraction algorithm.
13808 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13809 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13810 ABNORMAL edges.
13811 (block_has_preserve_label): New function.
13812 * common.opt: Register new pass.
13813 * Makefile.in: Ditto.
13814 * passes.c: Ditto.
13815 * timevar.def: Ditto.
13816 * tree-pass.h: Ditto.
13817 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13818 * rtl.h (make_jump_insn_raw): Add forward decl.
13819 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13821 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13822 Roger Sayle <roger@eyesopen.com>
13824 * fold-const.c (fold_minmax): New static function.
13825 (fold_binary) <MIN_EXPR>: Call it.
13826 <MAX_EXPR>: Likewise.
13827 * stor-layout.c (place_field): Use DECL_SIZE consistently
13828 in the computation of the new record size.
13830 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13832 * cse.c (cse_condition_code_reg): Make it static.
13833 * rtl.h: Remove the prototype for cse_condition_code_reg.
13835 * combine.c (combine_instructions): Make it static.
13836 * rtl.h: Remove the prototype for combine_instructions.
13838 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13840 PR target/25168
13841 * tree.c (get_file_function_name_long): Concatenate the first global
13842 object name with a string derived from the input filename of the object
13843 for type "F".
13845 2006-01-16 Ben Elliston <bje@au.ibm.com>
13847 * config/i386/winnt-stubs.c: Update FSF address.
13848 * config/xtensa/ieee754-df.S: Ditto.
13849 * config/xtensa/ieee754-sf.S: Ditto.
13851 2006-01-14 Ian Lance Taylor <ian@airs.com>
13853 * ifcvt.c (noce_init_if_info): New static function, broken out of
13854 noce_process_if_block.
13855 (noce_process_if_block): Call noce_init_if_info.
13856 (check_cond_move_block): New static function.
13857 (cond_move_process_if_block): New static function.
13858 (process_if_block): Call cond_move_process_if_block.
13860 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13862 * cselib.c (hash_table): Rename to cselib_hash_table.
13863 (cselib_clear_table, discard_useless_values,
13864 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13865 cselib_init, cselib_finish): Adjust uses of hash_table.
13867 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13869 PR tree-optimization/25485
13870 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13871 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13872 is known to be false and true, respectively.
13874 2006-01-14 Richard Guenther <rguenther@suse.de>
13876 PR tree-optimization/22548
13877 PR tree-optimization/22555
13878 PR tree-optimization/22501
13879 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13880 * params.def (salias-max-array-elements): New parameter.
13881 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13882 * doc/invoke.texi (salias-max-array-elements): Document.
13883 * tree-flow-inline.h (var_can_have_subvars): We also handle
13884 arrays now.
13885 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13886 COMPONENT_REF.
13887 * tree-ssa-structalias.c (params.h): Include.
13888 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13889 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13890 (get_constraint_for): For ADDR_EXPR operating on something
13891 containing an ARRAY_REF, add all subvars to the solution.
13892 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13893 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13894 for creating MUST_DEFs.
13895 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13897 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13899 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13900 functions.
13901 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13902 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13903 number_of_iterations_le): New functions.
13904 (number_of_iterations_special): Removed.
13905 (number_of_iterations_exit): Do not use number_of_iterations_special.
13906 * tree.c (unsigned_type_for): Always return integer type.
13908 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13909 Richard Guenther <rguenther@suse.de>
13911 PR rtl-optimization/24257
13912 * gcse.c (find_moveable_store): Only consider a store movable
13913 when the SET_SRC of the insn can be assigned to a register.
13915 2006-01-14 Ian Lance Taylor <ian@airs.com>
13917 * tree.c (tree_not_class_check_failed): New function.
13918 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13919 (tree_not_class_check_failed): Declare.
13921 2006-01-13 Ian Lance Taylor <ian@airs.com>
13923 * reload1.c (do_output_reload): Add assertion rejecting a
13924 CALL_INSN.
13926 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13928 * combine.c (struct reg_stat): Add new fields truncation_label and
13929 truncated_to_mode.
13930 (record_value_for_reg): Reset truncated_to_mode.
13931 (record_truncated_value): New function.
13932 (check_promoted_subreg): Call it. Rename to check_conversions.
13933 (combine_instructions): Rename check_promoted_subreg to
13934 check_conversions.
13935 (reg_truncated_to_mode): New function.
13936 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13937 (gen_lowpart_or_truncate): New function.
13938 (force_to_mode): Use it instead of gen_lowpart.
13940 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13942 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13943 VAR is a tag, not its type tag.
13945 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13947 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13948 alternatives to match style of other entries.
13949 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13951 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13953 PR tree-optimization/25771
13954 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13955 SSA_NAMES.
13957 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13959 PR tree-opt/24365
13960 * tree-inline.c (declare_return_variable): If the return variable
13961 was marked as a non gimple complex, set the return slot variable
13962 to be a non gimple comple variable.
13964 2006-01-13 Richard Guenther <rguenther@suse.de>
13966 * builtins.c (expand_builtin_sincos): New function.
13967 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13968 do not set errno.
13969 (expand_builtin): Expand sincos using expand_builtin_sincos.
13971 2006-01-12 DJ Delorie <dj@redhat.com>
13973 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
13974 shift counts, separate SI shifts for m32c vs m16c, pass shift type
13975 so that constant shifts can be split.
13976 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
13977 (m32c_valid_pointer_mode): Make static.
13978 (shift_gen_func_for): New.
13979 (m32c_prepare_shift): Use it. Split large const shifts into
13980 multiple shifts.
13981 * config/m32c/predicates.md (shiftcount_operand): Allow more
13982 general operands.
13983 (longshiftcount_operand): New.
13984 * doc/md.texi (Machine Constraints): Document In6.
13986 2006-01-13 Ben Elliston <bje@au.ibm.com>
13988 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
13989 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
13990 documentation.
13992 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
13994 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
13995 to try to avoid clobbering pieces of structures when we know
13996 something about the whole structure.
13997 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
13999 2006-01-13 Ben Elliston <bje@au.ibm.com>
14001 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14002 return in memory, as this is no limitation is no longer present.
14004 2006-01-12 DJ Delorie <dj@redhat.com>
14006 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14007 mova with fb, and for fb+0 -> An.
14009 * config/m32c/mov.md (peephole2): Fix enabling logic.
14011 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14012 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14013 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14014 FINI_ARRAY_SECTION_ASM_OP): Define.
14016 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14017 variable.
14018 (m32c_legitimize_reload_address): New logic to reload FB to An.
14019 (m32c_output_reg_push): Add newline.
14020 (m32c_output_reg_pop): Likewise.
14022 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14024 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14026 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14028 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14030 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14032 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14033 match_code.
14035 2006-01-11 Ben Elliston <bje@au.ibm.com>
14037 * rtlanal.c (find_reg_note): Assert insn is not null.
14039 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14041 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14042 ifdef.
14044 2006-01-11 Jeff Law <law@redhat.com>
14046 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14047 hold edge pairs.
14048 (mark_threaded_blocks, register_jump_thread): New functions.
14049 (thread_through_all_blocks): Remove unwanted argument. No
14050 longer rely on e->aux to communicate thread target info.
14051 Call mark_threaded_blocks. Release the threaded_blocks
14052 bitmap and threaded_edges vector when complete.
14053 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14054 (threaded_blocks): Remove.
14055 (tree_ssa_dominator_optimize): Remove initialization and
14056 finalization of threaded_blocks. Simplify call to
14057 thread_through_all_blocks.
14058 (thread_across_edge): Call register_jump_thread rather than
14059 storing thread information into e->aux.
14060 (free_all_edge_infos): Simplify now that e->aux is no longer
14061 used to communicate with thread_through_all_blocks.
14062 * tree-flow.h (thread_through_all_blocks): Update prototype.
14063 (register_jump_thread): Prototype.
14065 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14067 * df-core.c (df_compact_blocks, df_bb_replace): Use
14068 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14070 2006-01-11 Richard Guenther <rguenther@suse.de>
14072 PR tree-optimization/25734
14073 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14074 stop propagation after successful propagation to the LHS.
14076 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14078 * basic-block.h (control_flow_graph): Change the type of
14079 x_basic_block_info to VEC(basic_block,gc) *.
14080 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14081 basic_block_info.
14082 (SET_BASIC_BLOCK): New.
14083 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14084 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14085 * cfgbuild.c (find_basic_blocks): Likewise.
14086 * cfglayout.c (fixup_reorder_chain): Likewise.
14087 * cfgrtl.c (create_basic_block_structure,
14088 rtl_create_basic_block): Likewise.
14089 * ifcvt.c (find_if_case_1): Likewise.
14090 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14091 Likewise.
14093 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14095 * Makefile.in: Removed rotted odf.c entry.
14097 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14099 PR target/25706
14100 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14101 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14102 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14103 output pattern modifier, not %e.
14104 * config/cris/cris.c (cris_op_str): Update comment about pattern
14105 modifier.
14106 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14107 before falling through into...
14108 <case 'E'>: Redefined from old 'e' case.
14110 2006-01-11 Jan Hubicka <jh@suse.cz>
14112 PR target/25042
14113 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14115 2006-01-11 Jan Hubicka <jh@suse.cz>
14117 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14118 * i386.c (x86_decompose_lea): Kill.
14119 (ix86_rtx_costs): Kill.
14121 2006-01-11 Jan Hubicka <jh@suse.cz>
14123 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14124 * cgraph.h (cgraph_node): Add inline_decl.
14125 (cgraph_insert_node_to_hashtable): Declare.
14126 (save_inline_function_body): Declare.
14127 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14128 clones.
14129 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14130 (cgraph_function_versioning): Update call of tree_function_versioning.
14131 (save_inline_function_body): New function.
14132 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14133 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14134 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14135 (cgraph_default_inline_p): Likewise.
14136 (cgraph_decide_inlining_incrementally): Likewise.
14137 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14138 (copy_bb): Kill saving; do updating of clones.
14139 (copy_cfg_body): Kill saving.
14140 (initialize_inlined-parameters): Likewise.
14141 (expand_call_inline): Likewise.
14142 (save_body): Kill.
14143 (tree_function_versioning): New parameter "update_clones".
14144 (inlining_p): Kill saving.
14145 * tree-inline.h (tree_function_versioning): Update prototype.
14146 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14147 saving.
14149 2006-01-11 Ian Lance Taylor <ian@airs.com>
14151 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14152 Allow undoing set of machine mode.
14153 (do_SUBST): Use enums instead of is_int.
14154 (do_SUBST_MODE): New function.
14155 (SUBST_MODE): New macro.
14156 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14157 reg and trying to replace reg_regno_rtx with a new register.
14158 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14159 (simplify_set): Use SUBST_MODE.
14160 (distribute_notes): Remove code that tried to update reg notes
14161 for regno_reg_rtx changes.
14163 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14165 PR tree-optimization/23109
14166 PR tree-optimization/23948
14167 PR tree-optimization/24123
14169 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14170 * tree-cfg.c (single_noncomplex_succ): New.
14171 * tree-flow.h (single_noncomplex_succ): Declare it.
14172 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14173 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14174 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14175 insert_bb, register_division_in, insert_reciprocals,
14176 replace_reciprocal, free_bb): New.
14177 (execute_cse_reciprocals_1): Rewritten.
14178 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14179 Do not commit any edge insertion. Always compute dominators and
14180 create the allocation pool.
14181 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14182 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14183 * targhooks.c (default_min_divistions_for_recip_mul): New.
14184 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14185 * passes.c (init_optimization_passes): Run recip after tree loop
14186 optimizations.
14187 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14189 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14190 Kenneth Zadeck <zadeck@naturalbridge.com>
14192 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14193 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14194 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14195 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14196 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14197 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14198 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14199 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14200 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14201 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14202 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14203 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14204 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14205 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14206 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14207 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14208 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14209 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14210 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14211 DF_SCAN_POST_ALLOC): New macros.
14212 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14213 df_free_bb_function, df_local_compute_function, df_init_function,
14214 df_dataflow_function, df_confluence_function_0,
14215 df_confluence_function_n, df_transfer_function,
14216 df_finalizer_function, df_free_function, df_dump_problem_function,
14217 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14218 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14219 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14220 df_urec_bb_info, ) New types.
14221 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14222 variables.
14223 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14224 df_analyze_simple_change_some_blocks,
14225 df_analyze_simple_change_one_block, df_compact_blocks,
14226 df_bb_replace, df_bb_regno_last_use_find,
14227 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14228 df_insn_regno_def_p, df_find_def, df_find_use,
14229 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14230 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14231 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14232 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14233 debug_df_chain, df_get_dependent_problem, df_chain_create,
14234 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14235 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14236 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14237 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14238 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14239 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14240 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14241 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14242 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14243 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14244 df_reorganize_refs, df_set_state, df_hard_reg_init,
14245 df_read_modify_subreg_p) New public functions.
14246 * df-core.c: The core dataflow solver and glue routines for rtl
14247 dataflow.
14248 (df_init, df_add_problem, df_set_blocks, df_finish,
14249 df_hybrid_search_forward, df_hybrid_search_backward,
14250 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14251 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14252 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14253 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14254 df_reg_defined, df_find_use, df_reg_used, df_dump,
14255 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14256 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14257 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14258 debug_df_useno, reset_df_after_reload): New functions.
14259 * df-scan.c: The scanning fuctions, once in df.c, completely
14260 rewritten so that they now fully model the functionality of
14261 register usage at the backend.
14262 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14263 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14264 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14265 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14266 df_get_artificial_defs, df_get_artificial_uses,
14267 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14268 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14269 df_refs_delete, df_reorganize_refs, df_set_state,
14270 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14271 df_def_record_1, df_defs_record, df_uses_record,
14272 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14273 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14274 df_record_exit_block_uses, df_hard_reg_init): New functions.
14276 * df-problems.c: Seven concrete dataflow problems that use the
14277 scanning in df-scan.c and are solved by the engine in df-core.c.
14278 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14279 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14280 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14281 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14282 df_ru_free_bb_info, df_ru_alloc,
14283 df_ru_bb_local_compute_process_def,
14284 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14285 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14286 df_ru_transfer_function, df_ru_free, df_ru_dump,
14287 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14288 df_rd_free_bb_info, df_rd_alloc,
14289 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14290 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14291 df_rd_transfer_function, df_rd_free, df_rd_dump,
14292 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14293 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14294 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14295 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14296 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14297 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14298 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14299 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14300 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14301 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14302 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14303 df_urec_mark_reg_use_for_earlyclobber,
14304 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14305 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14306 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14307 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14308 df_chain_create_bb_process_use, df_chain_create_bb,
14309 df_chain_finalize, df_chain_free, df_chains_dump,
14310 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14311 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14312 df_reg_lifetime): New functions.
14313 * df.c: Deleted file.
14314 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14315 consistent with new df api.
14316 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14317 rest_of_handle_sms): Ditto.
14318 * web.c (unionfind_union, union_defs, entry_register, web_main):
14319 Ditto.
14320 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14321 invariant_expr_equal_p, find_defs, check_dependencies,
14322 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14323 free_inv_motion_data, move_loop_invariants): Ditto.
14324 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14325 Update dependencies.
14326 (odf.c): Added defective entry that was deleted later in day.
14327 * sched-deps.c (sched_analyze_1): Ditto.
14329 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14331 * tree-ssa-operands.c (get_expr_operands): Record addressable
14332 variables directly. Do not call add_stmt_operands for CONST_DECLs
14333 and ARRAY_DECLs.
14334 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14335 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14337 2006-01-11 Ben Elliston <bje@au.ibm.com>
14339 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14340 function returns true in the positive case.
14342 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14344 PR target/20754
14345 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14346 for SI, DI, SF and DF modes. Add alternatives to copy between
14347 general and floating point registers to the 32-bit patterns.
14348 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14349 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14350 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14351 generating 64-bit code.
14352 * config/pa/pa.c (output_move_double): Handle copies between general
14353 and floating registers.
14355 2006-01-10 Stuart Hastings <stuart@apple.com>
14357 * config/i386/i386.md (set_got): Update.
14358 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14359 (builtin_setjmp_receiver): Mach-O support.
14360 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14361 (GOT_SYMBOL_NAME): Define.
14362 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14363 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14364 * config/i386/i386.c (override_options): Revise for Darwin.
14365 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14366 support. (darwin_x86_file_end): New. (output_set_got): Add label
14367 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14368 * config/i386/i386-protos.h (output_set_got): Likewise.
14369 * config/darwin.c (machopic_legitimize_pic_address): Update
14370 regs_ever_live[].
14372 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14374 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14375 when MODE isn't BLKmode.
14377 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14379 PR rtl-optimization/25367
14380 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14382 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14384 PR target/25718
14385 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14386 for a negative bound.
14388 2006-01-10 Richard Guenther <rguenther@suse.de>
14390 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14391 Never override with anything constraint.
14393 2006-01-10 Jan Beulich <jbeulich@novell.com>
14395 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14396 256 bits when optimize_size.
14398 2006-01-10 Jan Beulich <jbeulich@novell.com>
14400 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14401 MASK_ALIGN_DOUBLE.
14402 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14403 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14404 arguments.
14406 2006-01-10 Ben Elliston <bje@au.ibm.com>
14408 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14409 float modes.
14410 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14411 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14412 (USE_FP_FOR_ARG): Reject decimal float modes.
14413 (function_arg_advance): Likewise.
14414 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14415 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14416 point types in AltiVec vectors.
14417 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14418 (rs6000_libcall_value): Likewise.
14420 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14422 * config/xtensa/ieee754-df.S: New file.
14423 * config/xtensa/ieee754-sf.S: New file.
14424 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14425 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14426 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14428 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14430 * config/sh/predicates.md (binary_float_operator,
14431 binary_logical_operator, commutative_float_operator,
14432 equality_comparison_operator, greater_comparison_operator,
14433 less_comparison_operator, logical_operator,
14434 noncommutative_float_operator, shift_operator,
14435 symbol_ref_operand, unary_float_operator): Remove redundant
14436 conditionals.
14438 2006-01-09 Jeff Law <law@redhat.com>
14440 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14441 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14442 now unused arguments. Callers updated.
14443 (eliminate_redundant_computations): Remove now unused arguments,
14444 callers updated.
14445 (local_fold): Remove, no longer used.
14446 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14447 and moved to...
14448 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14449 (simplify_cond): New function.
14450 (forward_propagate_into_cond): Call simplify_cond.
14452 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14454 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14455 (*vec_extractv2di_1_sse): New.
14457 2006-01-09 Ben Elliston <bje@au.ibm.com>
14459 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14461 2006-01-08 Richard Guenther <rguenther@suse.de>
14463 * tree-ssa-structalias.c (get_constraint_for): Remove
14464 anyoffset argument.
14465 (get_constraint_for_component_ref): Likewise.
14466 (do_deref): Likewise.
14467 (get_constraint_for): Likewise.
14468 (do_structure_copy): Likewise.
14469 (handle_ptr_arith): Likewise.
14470 (find_func_aliases): Likewise. Remove unused need_anyoffset
14471 variable.
14473 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14474 Kaz Kojima <kkojima@gcc.gnu.org>
14476 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14477 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14478 (EXTRA_CONSTRAINT_C16): Remove.
14479 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14480 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14481 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14482 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14483 constants of SHmedia. Handle nested constant expressions of
14484 SHmedia correctly.
14485 (andcosts): Fix the costs for SHmedia constants.
14486 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14487 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14488 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14489 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14490 (movv4hi_i, movv2si_i): Likewise.
14491 (movsi_const): Adjust the second operand of ior so to match with
14492 the Csu constraint.
14493 (movdi_const, movdi_const_32bit): Likewise.
14494 (movdi_const_16bit+1): Don't sign-extend LOW.
14495 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14496 step.
14497 (*double_shori): Fix the split condition. Use GEN_INT instead
14498 of get_int_mode calls. Mask lower 16-bit of the argument of
14499 the last GEN_INT.
14500 (sym2GOTPLT): Remove.
14501 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14502 gen_rtx_UNSPEC.
14503 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14504 instead of EXTRA_CONSTRAINT_C16.
14506 2006-01-07 Ian Lance Taylor <ian@airs.com>
14507 David Edelsohn <edelsohn@gnu.org>
14509 PR rtl-optimization/25662
14510 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14511 for constant operands instead of simplify_gen_binary.
14512 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14513 after trying simplify_binary_operation
14515 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14517 * tree.c (iterative_hash_expr): Hash decls based on UID.
14519 2006-01-06 Eric Christopher <echristo@apple.com>
14521 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14522 (TARGET_UNWIND_EMIT): Fix spelling.
14523 * target.h (gcc_target): Add except_table_label.
14524 * except.c (output_function_exception_table): Use.
14525 * varasm.c (default_emit_except_table_label): New.
14526 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14527 define.
14528 (asm_out): Add here.
14529 * output.h (default_emit_except_table_label): Prototype.
14530 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14531 * config/darwin.c (darwin_emit_except_table_label): Define.
14532 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14534 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14536 PR tree-optimization/18527
14537 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14538 number_of_iterations_special, number_of_iterations_exit):
14539 Move base and step of an iv to a single structure. Add
14540 no_overflow flag, and use it in # of iterations analysis.
14541 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14542 folded_casts argument.
14543 (simple_iv): Pass base and step in a structure. Set no_overflow
14544 flag.
14545 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14546 Evaluate expensiveness of computing # of iterations instead of
14547 the final expression.
14548 * tree-scalar-evolution.h (affine_iv): New structure.
14549 (simple_iv): Declaration changed.
14550 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14551 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14552 find_givs_in_stmt): Changed due to simple_iv change.
14554 2006-01-06 Jeff Law <law@redhat.com>
14556 PR ada/24994
14557 * tree-cfg.c (bsi_replace): Rename final argument from
14558 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14559 change (stmt -> orig_stmt).
14560 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14561 (bsi_remove): Add new argument. Remove EH information
14562 if requested.
14563 (verify_eh_throw_table_statements): New function.
14564 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14565 updated.
14566 * tree-optimize.c (execute_free_cfg_annotations): Verify
14567 the EH throw statement table after removing annotations.
14568 * except.h (verify_eh_throw_table_statements): Prototype.
14569 * tree-flow.h (bsi_remove): Update prototype.
14570 * tree-vrp.c (remove_range_assertions): Add new argument to
14571 bsi_remove call.
14572 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14573 * tree-complex.c (expand_complex_div_wide): Likewise.
14574 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14575 * tree-tailcall.c (eliminate_tailcall): Likewise.
14576 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14577 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14578 * tree-nrv.c (tree_nrv): Likewise.
14579 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14580 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14581 (combine_blocks): Likewise.
14582 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14583 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14584 (cleanup_control_flow): Likewise.
14585 (remove_forwarder_block): Likewise.
14586 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14587 * tree-sra.c (sra_replace): Likewise.
14588 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14589 (forward_propagate_single_use_vars): Likewise.
14590 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14591 * tree-inline.c (expand_call_inline): Likewise.
14592 * tree-vect-transform.c (vect_transform_loop): Likewise.
14593 * tree-outof-ssa.c (rewrite_trees): Likewise.
14594 * tree-cfg.c (make_goto_expr_edges): Likewise.
14595 (cleanup_dead_labels): Likewise.
14596 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14597 (bsi_move_before, bsi_move_after): Likewise.
14598 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14599 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14601 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14603 PR tree-opt/25528
14604 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14605 and IMAGPART_EXPR.
14606 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14607 on non gimple variables. Also add checks at the top for decls and
14608 mtags.
14609 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14610 complex types.
14611 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14612 and IMAGPART_EXPR for creating MUST_DEFs.
14613 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14614 and NAME_MEMORY_TAG separately from the DECLs.
14616 2006-01-06 Richard Guenther <rguenther@suse.de>
14618 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14619 annotation, if necessary.
14620 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14621 redundant calls to update_stmt.
14622 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14623 Likewise.
14625 2006-01-05 Richard Henderson <rth@redhat.com>
14627 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14629 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14631 * c-typeck.c: Update copyright date.
14633 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14635 * c-typeck.c (build_c_cast): Always warn when casting
14636 from a pointer to an integer of different size, even if
14637 the node was constant.
14639 2006-01-05 Richard Guenther <rguenther@suse.de>
14641 PR tree-optimization/22555
14642 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14643 if one structure field is an array.
14644 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14645 operands even if we found a subvar, but ignore VOPs in this
14646 case.
14647 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14648 for renaming.
14649 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14651 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14653 PR middle-end/24998
14654 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14656 2006-01-05 Richard Guenther <rguenther@suse.de>
14657 Diego Novillo <dnovillo@redhat.com>
14659 * tree-pass.h (TODO_remove_unused_locals): Define.
14660 * gimple-low.c (expand_var_p, remove_useless_vars,
14661 pass_remove_useless_vars): Remove. Update all users.
14662 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14663 (remove_unused_locals): New function.
14664 * tree-flow.h (remove_unused_locals): Declare.
14665 * passes.c (execute_todo): Call remove_unused_locals if
14666 TODO_remove_unused_locals is set.
14667 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14668 * tree-ssa-dce.c (pass_dce): Likewise.
14669 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14671 2006-01-05 Richard Guenther <rguenther@suse.de>
14673 * tree-flow.h (struct fieldoff): Decompose field to
14674 type, size and decl.
14675 * tree-ssa-alias.c (create_sft): Take type as parameter.
14676 (create_overlap_variables_for): Store type, size and decl
14677 in the fieldoff structure.
14678 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14679 of struct fieldoff.
14680 (push_fields_onto_fieldstack): Likewise.
14681 (create_variable_info_for): Likewise. Use offset for the
14682 SFT name if the decl is not available.
14684 2006-01-04 Paul Brook <paul@codesourcery.com>
14686 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14688 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14690 * lambda-code.c (can_put_in_inner_loop): Relax
14691 restrictions.
14692 (can_put_after_inner_loop): New function.
14693 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14694 (perfect_nestify): Change to make copies and modify uses.
14696 2006-01-04 Richard Henderson <rth@redhat.com>
14698 Merge from gomp branch:
14699 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14700 via integer constant.
14701 (pragma_lex): Remove.
14702 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14703 rather than parsing it.
14704 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14705 handle_pragma_extern_prefix): Add %< %> quotes.
14706 (registered_pragmas): New.
14707 (c_register_pragma_1): New.
14708 (c_register_pragma): Use it.
14709 (c_register_pragma_with_expansion): Likewise.
14710 (c_invoke_pragma_handler): New.
14711 (init_pragma): Use cpp_register_deferred_pragma directly for
14712 pch_preprocess.
14713 * c-pragma.h (enum pragma_kind): New.
14714 (pragma_handler): New.
14715 (c_invoke_pragma_handler): Declare.
14716 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14717 CPP_PRAGMA_EOL.
14718 * c-common.h (c_common_pch_pragma): Update decl.
14719 * Makefile.in (c-parser.o): Update dependencies.
14720 (GTFILES): Add c-pragma.h.
14721 * c-parser.c (struct c_token): Add pragma_kind.
14722 (struct c_parser): Add in_pragma.
14723 (c_lex_one_token): Always initialize keyword and pragma_kind.
14724 Extract data for CPP_PRAGMA.
14725 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14726 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14727 Don't allow CPP_PRAGMA_EOL if in_pragma.
14728 (c_parser_consume_pragma): New.
14729 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14730 (c_parser_skip_to_end_of_parameter): Likewise.
14731 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14732 (c_parser_skip_to_pragma_eol): New.
14733 (c_parser_external_declaration): Handle CPP_PRAGMA.
14734 (c_parser_compound_statement_nostart): Likewise.
14735 (c_parser_statement_after_labels): Likewise.
14736 (c_parser_pragma): New.
14737 (pragma_lex): Likewise.
14738 (c_parser_pragma_pch_preprocess): New.
14739 (c_parser_new): Merge into ...
14740 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14742 2006-01-04 Jeff Law <law@redhat.com>
14744 PR ada/24994
14745 * tree-cfg.c (bsi_replace): Remove the original statement
14746 from the EH throw statement table.
14748 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14750 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14751 make the prototype extern "C" and add throw ().
14753 PR target/25554
14754 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14755 and pos non-negative and pos + len <= 32.
14756 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14757 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14758 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14760 PR c/25559
14761 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14762 as well as sizes not multiple of component size.
14764 PR debug/25562
14765 * function.c (instantiate_expr): New function.
14766 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14767 walk its DECL_VALUE_EXPR with instantiate_expr.
14769 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14770 DW_OP_deref{,_size} if address isn't going to be added.
14772 2006-01-04 Ben Elliston <bje@au.ibm.com>
14774 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14775 * config/fp-bit.c: Likewise.
14777 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14779 * dominance.c: Add comment about why we use DFS numbering
14780 of dominance tree.
14782 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14783 Richard Henderson <rth@redhat.com>
14785 Merge from gomp-branch:
14786 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14787 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14789 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14791 PR rtl-optimization/25578
14792 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14793 pass a parameter to simplify_shift_const if changing ASHIFTRT
14794 to LSHIFTRT.
14796 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14798 * builtins.c (get_builtin_sync_mem): New function.
14799 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14800 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14801 Call get_builtin_sync_mem to generate mem rtx.
14803 2006-01-03 Richard Guenther <rguenther@suse.de>
14805 PR c/25183
14806 * stmt.c (add_case_node): Make sure to clear overflow flags
14807 from ranges.
14809 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14811 Merge from gomp-branch.
14812 * config/sparc/sync.md: New file.
14813 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14814 UNSPECV_LDSTUB): New constants.
14815 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14816 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14817 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14818 prototype.
14820 2006-01-03 Roger Sayle <roger@eyesopen.com>
14822 * combine.c (reg_subword_p): New predicate to test whether the
14823 destination of a set refers to a subword/piece of a register.
14824 (try_combine): Generalize the code to merge the setting of a
14825 pseudo to a constant followed by a set of a subword of that
14826 register to a constant.
14828 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14830 * basic-block.h (control_flow_graph): Change the type of
14831 x_label_to_block_map to VEC(basic_block,gc) *.
14832 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14833 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14835 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14836 VEC(basic_block,heap) *.
14837 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14838 ssa_prop_fini): Adjust the uses of cfg_blocks.
14840 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14842 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14843 COMPONENT_REFs.
14844 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14845 hashing trees instead of a pointer hash.
14846 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14847 compare for MEM_EXPR.
14849 PR rtl-optimization/25130
14850 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14851 when comparing MEMs for GCSE
14853 2006-01-03 Ben Elliston <bje@au.ibm.com>
14855 * targhooks.h (default_decimal_float_supported_p): Declare.
14856 * targhooks.c (default_decimal_float_supported_p): Define.
14857 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14858 `default_decimal_float_supported_p'.
14859 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14861 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14863 * combine.c (apply_distributive_law <SUBREG>): Check
14864 TRULY_NOOP_TRUNCATION.
14866 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14868 * dwarf2out.c (have_switched_text_section): Delete.
14869 (have_multiple_function_sections): New.
14870 (have_location_lists): Make 'bool'.
14871 (add_AT_loc_list): Use 'true' not '1'.
14872 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14873 (output_loc_list): Use have_multiple_function_sections.
14874 (output_ranges): Likewise.
14875 (dwarf2out_begin_function): Set have_multiple_function_sections if
14876 necessary.
14877 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14878 Check function_section rather than DECL_SECTION_NAME.
14879 (dwarf2out_finish): Use have_multiple_function_sections.
14880 Don't clear have_location_lists.
14882 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14883 Jan Hubicka <jh@suse.cz>
14885 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14886 case of conditional jump jumping to the next instruction.
14887 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14888 cases of conditional jump jumping to the next instruction.
14890 2006-01-02 Jan Hubicka <jh@suse.cz>
14892 * i386.c (*_cost): Add COSTS_N_INSNS.
14893 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14895 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14897 PR target/25259
14898 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14900 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14902 * config/arm/arm.c (all_fpus): Fix comment typo.
14903 * config/darwin.c: Likewise.
14904 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14905 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14906 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14908 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14910 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14911 (rs6000_split_compare_and_swapqhi): New.
14912 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14913 (sync_compare_and_swapqhi_internal): New.
14914 * config/rs6000/rs6000-protos.h: Declare.