| blob | 63188b874e3d209269cf10919fc7a3af41fcea33 |
1 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3 * flow.c (calculate_global_regs_live): Invalidate eh registers
4 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5 (propagate_block): Handle eh registers as if they were set at basic
6 block start.
7 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8 registers.
9 * global.c (global_conflicts): Make eh registers to conflict with
10 pseudos live at basic block begin.
11 * basic_block.h (bb_has_eh_pred): New function.
13 2006-09-13 Richard Sandiford <richard@codesourcery.com>
15 PR rtl-optimization/28982
16 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
17 index of a PRE_MODIFY or POST_MODIFY address.
18 * reload1.c (inc_for_reload): Use find_replacement on the original
19 base and index registers.
21 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
23 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
24 for -Os. Update __m128 alignment requirement.
26 2006-09-13 Jan Hubicka <jh@suse.cz>
28 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
30 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
32 PR rtl-optimization/28243
33 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
34 the insn to which the note was originally attached.
36 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
37 Roger Sayle <roger@eyesopen.com>
39 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
40 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
41 on platforms that don't use dwarf for debug info.
43 2006-09-12 Jason Merrill <jason@redhat.com>
45 PR middle-end/28493
46 * builtins.c (expand_builtin_setjmp_receiver): Clobber
47 hard_frame_pointer_rtx after using it to update the frame pointer.
49 2006-09-12 Roger Sayle <roger@eyesopen.com>
51 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
52 (TARGET_ASM_CLOSE_PAREN): Likewise.
53 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
54 (TARGET_ASM_CLOSE_PAREN): Likewise.
56 2006-09-12 Roger Sayle <roger@eyesopen.com>
58 PR target/22223
59 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
60 frame information for frames larger than 512 Kbytes on Tru64 when
61 using the native assembler.
63 2006-09-12 Roger Sayle <roger@eyesopen.com>
65 PR middle-end/4520
66 PR bootstrap/28784
67 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
68 and symbols. Instead use the implementation from cse.c's hash_rtx.
70 2006-09-12 Jan Hubicka <jh@suse.cz>
72 PR rtl-optimization/28071
73 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
74 (vect_transform_loop): Likewise.
75 * tree-vectorizer.c (new_loop_vec_info): Likewise.
76 (new_loop_vec_info): Likewise.
77 (destroy_loop_vec_info): Likewise.
78 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
79 (create_stmt_ann): Likewise.
80 (create_tree_ann): Rename to ...
81 (create_tree_common_ann): ... this one; allocate only the common part
82 of annotations.
83 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
84 (get_value_handle): Likewise.
85 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
86 get_tree_common_ann.
87 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
88 (vinfo_for_stmt): Use stmt annotations.
89 * tree-flow.h (tree_ann_common_t): New type.
90 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
91 (tree_ann, get_tree_ann, create_tree_ann): New.
92 * tree-flow-inline.h (get_function_ann): Do more type checking.
93 (stmt_ann): Likewise.
94 (tree_ann): Rename to ...
95 (tree_common_ann): ... this one; return ony common_ann
96 (get_tree_ann): Rename to ...
97 (tree_common_ann): This one; return only common_ann.
98 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
99 of set_stmt_info.
101 2006-09-11 Geoffrey Keating <geoffk@apple.com>
103 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
104 with_cpu by default.
106 * dwarf2out.c (dwarf_file_data): New.
107 (enum dw_val_class): Add dw_val_class_file.
108 (struct dw_val_struct): Add val_file.
109 (file_table): Change to a hash table.
110 (file_table_emitted): Delete.
111 (file_table_last_lookup_index): Delete.
112 (emitcount): Delete.
113 (last_emitted_file): New.
114 (lookup_filename): Change prototype to return a struct dwarf_file_data.
115 (init_file_table): Delete.
116 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
117 (AT_addr): Add comment.
118 (add_AT_file): New.
119 (AT_file): New.
120 (get_AT_file): New.
121 (print_die): Handle dw_val_class_file.
122 (print_dwarf_line_table): Update for new file table structure.
123 (attr_checksum): Do checksum a filename.
124 (same_dw_val_p, same_attr_p): Do compare a filename.
125 (size_of_die): Handle dw_val_class_file.
126 (value_format): Likewise.
127 (output_die): Likewise. Also, call maybe_emit_file here.
128 (struct file_info): Constify filenames. Make file_idx a pointer
129 to a struct dwarf_file_data.
130 (struct dir_info): Constify directory names. Remove 'used' field.
131 (struct file_name_acquire_data): New.
132 (file_name_acquire): New.
133 (output_file_names): Modify to handle new file data structures.
134 (add_src_coords_attributes): Use add_AT_file.
135 (add_call_src_coords_attributes): Likewise.
136 (dwarf2out_imported_module_or_decl): Likewise.
137 (gen_subprogram_die): Modify for new file data structures.
138 (gen_variable_die): Likewise.
139 (file_table_eq): New.
140 (file_table_hash): New.
141 (file_table_last_lookup): New.
142 (lookup_filename): Rewrite to handle new file data structures.
143 (maybe_emit_file): Rewrite to handle new file data structures.
144 (dwarf2out_source_line): Always call lookup_filename and
145 maybe_emit_file.
146 (dwarf2out_init): Create file_table here.
147 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
148 (file_table_relative_p): New.
149 (dwarf2out_finish): Change detection of relative filenames
150 to work with new file data structures. Move output_line_info call
151 after debug_info output.
153 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
155 PR target/13685
156 PR target/27537
157 PR target/28621
158 * config/i386/i386.c (override_options): Always default to 16
159 byte stack boundary.
161 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
163 PR target/28672
164 * var-tracking.c (dump_dataflow_set): Start dumping at
165 register zero.
166 (clobber_variable_part): Kill only the variable part in
167 registers holding it, leaving other variables alone.
169 2006-09-11 Josh Triplett <josh@freedesktop.org>
171 * doc/extend.texi (Other Builtins): Actually use the macro
172 argument in the documentation example for
173 __builtin_types_compatible_p.
175 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
177 PR rtl-optimization/28726
178 * sched-deps.c (sched_analyze_reg): New function extracted from...
179 (sched_analyze_1): ...here. Call it to analyze references to
180 registers. Treat again writes to a stack register as writing to the
181 register.
182 (sched_analyze_2): ...and here. Call it to analyze references to
183 registers. Treat again reads of a stack register as reading the
184 register.
186 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
187 David Edelsohn <edelsohn@gnu.org>
189 PR target/27287
190 * config/rs6000/spe.md (frob_df_di): Remove %H.
191 (frob_di_df): Remove %H. Change evmergelo to mr.
192 (frob_di_df_2): Remove %H. Change evldd to two loads.
194 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
196 * doc/cpp.texi: Fix names of charset options.
198 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
200 PR target/29009
201 * config/i386/i386.c (override_options): Use 128-bit
202 stack boundary always for 64bits.
204 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
206 PR rtl-optimization/28636
207 * combine.c (force_to_mode): Test for side-effects before
208 substituting by zero.
209 (simplify_shift_const): Likewise for zero or other constants.
211 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
213 PR middle-end/26983
214 * builtins.c (expand_builtin_setjmp): Force next_lab to be
215 preserved.
217 2006-09-10 Richard Sandiford <richard@codesourcery.com>
219 PR target/29006
220 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
221 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
222 returned by mode_for_size, rather than the mode of src itself,
223 to choose between 32-bit and 64-bit patterns.
224 (mips_mem_fits_mode_p): New function.
225 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
226 that the size of the source matches the size of the destination.
227 (mov_<store>l, mov_<store>r): Likewise.
229 2006-09-10 Eric Christopher <echristo@apple.com>
231 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
232 for literal16.
234 2006-09-09 Eric Christopher <echristo@apple.com>
236 PR target/28995
237 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
238 for literal16.
240 2006-09-09 Roger Sayle <roger@eyesopen.com>
241 Nicolas Setton <setton@adacore.com>
243 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
245 2006-09-10 Andreas Schwab <schwab@suse.de>
247 * config/m68k/m68k.md (bungt_rev): New pattern.
249 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
250 Dale Johannesen <dalej@apple.com>
252 PR target/26778
253 * regclass.c (struct reg_pref): Update documentation.
254 (regclass): Set prefclass to NO_REGS if memory is the best option.
255 (record_reg_classes): Cope with a prefclass set to NO_REGS.
257 2006-09-08 Eric Christopher <echristo@apple.com>
259 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
260 * config/t-slibgcc-darwin: Support x86_64 multilib.
261 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
262 Return 1 for x86_64-darwin.
263 * config/i386/t-darwin: Add m64 multilib.
264 (LIB2_SIDITI_CONV_FUNCS): Use.
265 (LIB2FUNCS_EXTRA): Ditto.
266 * config/i386/darwin.h: Support x86_64.
267 * config/i386/i386.c (override_options): Turn on flag_pic
268 for x86_64-darwin. Disable flag_omit_pointer.
269 (get_pc_thunk_name): Assert !TARGET_64BIT.
270 (legitimate_address_p): Disable machopic addressing for
271 x86_64.
272 (legitimize_pic_address): Ditto.
273 (ix86_expand_move): Ditto.
274 (ix86_expand_call): Ditto.
275 (machopic_output_stub): Ditto.
276 * config/darwin.c (machopic_select_section): Support literal16.
277 (machopic_select_rtx_section): Ditto.
278 * config/darwin-sections.def: Ditto.
279 * config/darwin-64.c: New.
281 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
283 PR c/28504
284 * c-tree.h (struct c_arg_info): Add pending_sizes.
285 * c-parser.c (c_parser_parms_declarator,
286 c_parser_parms_list_declarator): Initialize pending_sizes.
287 * c-decl.c (get_parm_info): Initialize pending_sizes.
288 (get_parm_info): Set pending_sizes.
289 (grokdeclarator): Call put_pending_sizes for parameters for
290 function definition only.
292 2006-09-07 Jason Merrill <jason@redhat.com>
294 PR middle-end/27724
295 * varasm.c (output_constant): Only strip actual no-op conversions.
297 PR target/13685
298 * config/i386/i386.c (override_options): Use 128-bit
299 stack boundary if -msse.
301 2006-09-07 Eric Christopher <echristo@apple.com>
303 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
304 comment.
305 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
306 Redefine.
308 2006-09-07 Geoffrey Keating <geoffk@apple.com>
310 * dwarf2out.c: Remove strange characters from comment above
311 dwarf2out_frame_debug_expr.
313 2006-09-07 Eric Christopher <echristo@apple.com>
315 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
316 * config/darwin.h: ... to here.
318 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
320 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
322 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
323 (TARGET_PARTIAL_FLAG_REG_STALL): New.
325 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
326 TARGET_PARTIAL_FLAG_REG_STALL.
327 (*ashldi3_cconly_rex64): Likewise.
328 (*ashlsi3_cmp): Likewise.
329 (*ashlsi3_cconly): Likewise.
330 (*ashlsi3_cmp_zext): Likewise.
331 (*ashlhi3_cmp): Likewise.
332 (*ashlhi3_cconly): Likewise.
333 (*ashlqi3_cmp): Likewise.
334 (*ashlqi3_cconly): Likewise.
335 (*ashrdi3_cmp_rex64): Likewise.
336 (*ashrdi3_cconly_rex64): Likewise.
337 (*ashrsi3_cmp): Likewise.
338 (*ashrsi3_cconly): Likewise.
339 (*ashrsi3_cmp_zext): Likewise.
340 (*ashrhi3_cmp): Likewise.
341 (*ashrhi3_cconly): Likewise.
342 (*ashrqi3_cmp): Likewise.
343 (*ashrqi3_cconly): Likewise.
344 (*lshrdi3_cmp_rex64): Likewise.
345 (*lshrdi3_cconly_rex64): Likewise.
346 (*lshrsi3_cmp): Likewise.
347 (*lshrsi3_cconly): Likewise.
348 (*lshrsi3_cmp_zext): Likewise.
349 (*lshrhi3_cmp): Likewise.
350 (*lshrhi3_cconly): Likewise.
351 (*lshrqi2_cmp): Likewise.
352 (*lshrqi2_cconly): Likewise.
354 2006-09-07 Uros Bizjak <uros@kss-loka.si>
356 PR target/28946
357 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
358 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
359 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
360 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
361 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
362 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
363 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
364 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
365 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
366 implement only CC setting effects of shift instructions.
368 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
370 * doc/contrib.texi: Add myself.
372 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
374 PR middle-end/28862
375 * stor-layout.c (relayout_decl): Don't zero the alignment if it
376 was set by the user.
378 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
380 PR target/27117
381 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
382 (divsi_inv_m1): Use them.
383 (UNSPEC_DIV_INV_TABLE): New constant.
385 2006-09-06 James E Wilson <wilson@specifix.com>
387 PR rtl-opt/27883
388 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
389 then call count_or_remove_death_notes.
391 2006-09-06 Jason Merrill <jason@redhat.com>
393 PR c++/27371
394 * tree-inline.c (copy_result_decl_to_var): New fn.
395 (declare_return_variable): Use it. Call declare_inline_vars here.
396 (expand_call_inline): Not here.
398 2006-09-06 Diego Novillo <dnovillo@redhat.com>
400 * doc/contrib.texi: Update my entry.
402 2006-09-06 Nick Clifton <nickc@redhat.com>
404 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
406 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
408 PR tree-opt/28937
409 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
410 (canonicalize_induction_variables): Likewise.
411 (tree_unroll_loops_completely): Likewise.
412 (tree_ssa_prefetch_arrays): Likewise.
413 (remove_empty_loops): Likewise.
414 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
415 TODO_cleanup_cfg instead of directly calling
416 cleanup_tree_cfg_loop.
417 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
418 Likewise.
419 (tree_unroll_loops_completely): Likewise.
420 (remove_empty_loops): Likewise.
421 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
422 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
423 of tree_ssa_unswitch_loops.
424 (tree_ssa_loop_ivcanon): Use the return value of
425 canonicalize_induction_variables.
426 (tree_ssa_empty_loop): Use the return value of
427 remove_empty_loops.
428 (tree_complete_unroll): Use the return value of
429 tree_unroll_loops_completely.
430 (tree_ssa_loop_prefetch): Use the return value of
431 tree_ssa_prefetch_arrays.
432 * passes.c (execute_todo): Before Cleanup CFG, set
433 updating_used_alone and after cleanup CFG, call
434 recalculate_used_alone.
436 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
438 PR tree-opt/28952
439 * tree-vect-transform.c (vectorizable_condition): Move the check
440 for the type after the check for simple condition.
442 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
443 Kaz Kojima <kkojima@gcc.gnu.org>
445 PR target/28764
446 * mode-switching.c (optimize_mode_switching): Make the destination
447 block of an abnormal edge have no anticipatable mode. Don't
448 insert mode switching code at the end of the source block of
449 an abnormal edge.
451 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
453 PR rtl-optimization/26847
454 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
455 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
456 (simplify_plus_minus): Count n_constants while filling ops. Replace
457 qsort with insertion sort. Before going through the array to simplify
458 pairs, sort it. Delay early exit until after the first sort, exiting
459 only if no swaps occurred. Simplify pairs in reversed order, without
460 special-casing the first iteration. Pack ops after simplifying pairs.
462 2006-09-05 Anatoly Sokolov <aesok@post.ru>
464 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
465 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
466 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
467 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
469 2006-09-05 Richard Guenther <rguenther@suse.de>
471 PR tree-optimization/28900
472 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
473 compound conditional before creating COND_EXPR condition.
475 2006-09-05 Richard Guenther <rguenther@suse.de>
477 PR tree-optimization/28905
478 * tree-vrp.c (fix_equivalence_set): Manually implement
479 !value_ranges_intersect_p to also handle symbolic ranges.
481 2006-09-05 Richard Guenther <rguenther@suse.de>
483 PR middle-end/28935
484 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
485 of a COND_EXPR.
487 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
489 PR rtl-optimization/27616
490 * cse.c (table_size): New static variable.
491 (new_basic_block): Initialize it to 0.
492 (remove_from_table): Decrement it.
493 (insert): Increment it.
494 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
495 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
496 fold_rtx_mem_1 if under the cap.
497 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
498 the lookup of the equivalent expression and test for equality of the
499 first operand of the equivalent expression before in turn looking up
500 an equivalent constant for the second operand.
502 2006-09-02 Geoffrey Keating <geoffk@apple.com>
504 Revert this change:
505 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
506 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
507 pointer, instead of assuming it is possible to derive the
508 correct args size from a call insn.
510 2006-09-02 Jakub Jelinek <jakub@redhat.com>
512 PR middle-end/27567
513 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
514 (fold_builtin_mempcpy): Rename to...
515 (fold_builtin_memory_op): ... this. Optimize one element copy
516 into an assignment.
517 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
518 functions.
519 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
520 (expand_builtin_memcpy, expand_builtin_mempcpy,
521 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
522 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
523 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
524 BUILT_IN_MEM{CPY,PCPY,MOVE}.
526 2006-09-01 DJ Delorie <dj@redhat.com>
528 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
529 (stzx_16): Likewise.
530 ("stzx_24_<mode>"): Likewise.
531 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
532 ("cmp<mode>_op"): New.
533 (cmp<mode>): Change to expander; just save operands.
534 (b<code>_op): New.
535 (b<code>): Change to expander, emit compare here.
536 (s<code>_op): Change to use split and expander.
537 (s<code>_24_op): Likewise.
538 (s<code>_<mode>): New.
539 (s<code>_<mode>_24): New.
540 (movqicc_<code>_<mode): New.
541 (movhicc_<code>_<mode>): New.
542 (s<code>): New.
543 (s<code>_24): New.
544 * config/m32c/m32c.c (compare_op0, compare_op1): New.
545 (m32c_pend_compare): New.
546 (m32c_unpend_compare): New.
547 (m32c_expand_scc): New.
548 (m32c_expand_movcc): Emit the compare also.
549 * config/m32c/predicates.md (mra_nopp_operand): New.
551 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
552 Richard Guenther <rguenther@suse.de>
553 Adam Nemet <anemet@caviumnetworks.com>
555 PR middle-end/27226
556 * builtins.c (get_pointer_alignment): Handle more forms
557 of base addresses that can be used to derive more precise
558 information about alignment.
560 2006-09-01 Jason Merrill <jason@redhat.com>
562 PR c++/28899
563 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
564 want_value.
566 * gimplify.c (voidify_wrapper_expr): Handle null type.
568 2006-09-01 Josh Conner <jconner@apple.com>
570 PR c++/25505
571 * tree-nrv.c (dest_safe_for_nrv_p): New function.
572 (execute_return_slot_opt): Use it.
574 2006-08-31 Josh Conner <jconner@apple.com>
576 PR c++/25505
577 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
578 returning aggregates.
580 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
582 PR tree-optimization/28839
583 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
584 blocks in that phi arguments appear.
586 2006-08-31 Roger Sayle <roger@eyesopen.com>
588 PR other/22313
589 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
590 NULL, otherwise use an advance_loc4 to adjust relative to the
591 current label.
592 (output_cfi) <DW_CFA_set_loc>: Update the current label.
593 (dwarf2out_switch_text_section): Reset the current label to avoid
594 using advance_loc4 over section boundaries.
596 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
598 PR target/24367
599 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
600 r12 + SYMBOLIC_CONST.
602 2006-08-30 Richard Guenther <rguenther@suse.de>
604 * Makefile.in (see.o): Add $(EXPR_H) dependency.
606 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
608 PR rtl-optimization/27735
609 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
610 Add new argument to keep track of whether an irreducible region
611 was affected. All callers changed.
612 (fix_irreducible_loops): Removed.
613 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
614 flags were invalidated.
616 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
618 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
619 instead of SF operands.
620 (*fop_df_comm_sse): Likewise.
621 (*fop_df_comm_i387): Likewise.
622 (*fop_df_1_mixed): Likewise.
623 (*fop_df_1_sse): Likewise.
625 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
626 J"orn Rennecke <joern.rennecke@st.com>
628 PR tree-optimization/17506
629 * tree-ssa.c (warn_uninit): If warning about a location outside of
630 the current function, note where the variable was declared.
632 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
634 PR tree-optimization/28411
635 * double-int.c (double_int_div): Use double_int_divmod.
636 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
637 double_int_mod, double_int_smod, double_int_umod): New functions.
638 * double-int.h (double_int_divmod, double_int_sdivmod,
639 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
640 Declare.
641 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
642 in double_int.
643 (get_computation_aff, get_computation_cost_at): Handle double_int
644 return type of constant_multiple_of.
646 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
648 PR middle-end/26632
649 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
650 an implicit conversion.
652 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
654 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
656 2006-08-27 Roger Sayle <roger@eyesopen.com>
658 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
659 x87 instructions.
661 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
663 * config/i386/crtfastmath.c: Fix a comment typo.
665 2006-08-26 Roger Sayle <roger@eyesopen.com>
667 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
668 temporary visit flags on CASE_LABEL_EXPRs.
669 * c-common.c (match_case_to_enum): Add function comment. Avoid
670 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
671 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
672 CASE_HIGH_SEEN for enumerated types. If the switch expression is
673 a constant, only warn if that constant value isn't handled.
675 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
677 PR c++/24009
678 * input.h (restore_input_file_stack): Declare.
679 (INPUT_FILE_STACK_BITS): Define.
680 * toplev.c (fs_p, input_file_stack_history,
681 input_file_stack_restored, restore_input_file_stack): New.
682 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
683 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
684 (pop_srcloc): Don't free old state of stack.
686 2006-08-26 David Edelsohn <edelsohn@gnu.org>
688 PR target/27544
689 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
690 (PowerPC Type Attributes): New.
692 2006-08-26 Bob Wilson <bob.wilson@acm.org>
694 * config/xtensa/xtensa.c (function_arg_boundary): New.
695 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
696 STACK_BOUNDARY.
697 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
698 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
700 2006-08-26 Jakub Jelinek <jakub@redhat.com>
702 PR middle-end/28683
703 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
704 3 following insns.
706 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
708 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
709 (verify_local_live_at_start): Likewise.
711 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
713 PR c/27893
714 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
715 omp_add_variable): Treat sizes as variable whenever not
716 INTEGER_CST.
718 2006-08-26 Richard Guenther <rguenther@suse.de>
720 PR middle-end/28814
721 * fold-const.c (fold_binary): Fold temporary to correct
722 type before constructing new comparison.
724 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
726 PR c/28418
727 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
728 variable again if DECL_SEEN_IN_BIND_EXPR_P.
730 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
732 PR c/28299
733 * c-decl.c (start_function): Don't try to process prototype
734 information from old declaration that isn't a function.
736 2006-08-25 Jan Hubicka <jh@suse.cz>
738 PR target/28621
739 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
741 2006-08-25 Alan Modra <amodra@bigpond.net.au>
743 PR target/27075
744 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
745 for 8 byte objects.
747 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
749 PR tree-optimization/16876
750 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
751 exit if PARM doesn't match VALUE.
753 2006-08-25 Bob Wilson <bob.wilson@acm.org>
755 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
756 literal_prefix directive.
757 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
758 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
759 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
761 2006-08-25 David Edelsohn <edelsohn@gnu.org>
763 PR target/28753
764 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
765 predicate to general_operand. Add 0->y and I->r alternatives.
767 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
769 * doc/tm.texi: Fix a typo.
770 * predict.c: Fix comment typos.
772 2006-08-25 Nick Clifton <nickc@redhat.com>
774 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
775 assertions of "cpu" and "machine".
777 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
779 PR tree-opt/28807
780 * tree-ssa-operands.c (access_can_touch_variable): Don't say
781 the access through a base which has an alias set of 0 cannot
782 touch the variable.
784 2006-08-24 Bill Wendling <wendling@apple.com>
786 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
788 2006-08-24 Jan Hubicka <jh@suse.cz>
790 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
792 2006-08-24 Jan Hubicka <jh@suse.cz>
794 PR debug/26881
795 * cgraph.c: Fix comments.
796 (cgraph_varpool_mark_needed_node): Mark only variables not already
797 output to file.
798 * cgraphunit.c: Update comments; include gt-cgraphunit.h
799 (cgraph_varpool_assembled_nodes_queue): New static variable.
800 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
801 (cgraph_varpool_output_debug_info): New function.
802 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
803 * Makefile.in: Add gt-cgraphunit.h
805 2006-08-24 Jan Hubicka <jh@suse.cz>
807 * predict.c (probability_reliable_p): New predicate.
808 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
809 (predict_loops): Do not predict loop exit with less than 2%
810 probability.
811 * basic-block.h (edge_probability_reliable_p,
812 br_prob_note_reliable_p): Declare.
813 * ia64.h (ia64_print_operand): Do not disable on-chip branch
814 prediction when static predictor is not reliable.
815 * rs6000.c (output_cbranch): Likewise.
817 2006-08-23 Stuart Hastings <stuart@apple.com>
819 PR 28825
820 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
821 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
823 2006-08-21 Geoffrey Keating <geoffk@apple.com>
825 PR debug/28692
826 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
827 complex values, nor for generic vector values.
829 2006-08-22 Richard Guenther <rguenther@suse.de>
831 PR middle-end/28776
832 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
833 parameter. Convert arguments to arithmetic expression to the
834 chrecs type.
835 (analyze_scalar_evolution_1): Adjust caller.
837 2006-08-22 Jan Hubicka <jh@suse.cz>
839 Patch by Paolo Bonzini
840 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
841 my previous patch.
843 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
845 PR tree-optimization/28003
846 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
847 before grouping aliases.
849 2006-08-22 Roger Sayle <roger@eyesopen.com>
851 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
852 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
854 2006-08-21 Jason Merrill <jason@redhat.com>
856 PR c++/27115
857 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
858 wrapper. Loop to handle nested wrappers.
859 (gimplify_bind_expr): Remove temp parameter.
860 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
861 and STATEMENT_LIST on the rhs.
862 (gimplify_statement_list): Voidify the STATEMENT_LIST.
863 (gimplify_expr): Pass pre_p to gimplify_statement_list.
864 (gimplify_target_expr): Remove special BIND_EXPR handling.
866 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
868 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
869 #if !__SHMEDIA__ .
871 2006-08-21 Olivier Hainque <hainque@adacore.com>
873 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
874 Arrange for the temporary captures of components overlapping the lhs
875 to happen before the lhs is possibly cleared.
877 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
879 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
880 necessary places to pass the correct "number of registers" values
881 to _Unwind_VRS_Pop.
883 2006-08-20 Jan Hubicka <jh@suse.cz>
885 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
886 (create_name_tags): Instead of quadratic checking use hashtable.
887 * bitmap.h: Include hashtab.h.
888 (bitmap_hash): Declare.
889 * bitmap.c (bitmap_hash): New function.
891 2006-08-20 Jan Hubicka <jh@suse.cz>
893 PR rtl-optimization/28071
894 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
895 twice.
896 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
897 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
898 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
899 cgraph_decide_inlining_incrementally): Update use of
900 cgraph_check_inline_limits.
901 * cgraph.c (edge_hash, edge_eq): New function.
902 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
903 cgraph_edge_remove_caller, cgraph_node_remove_callees,
904 cgraph_remove_node): Maintain call site hash.
905 * cgraph.h (struct cgraph_node): Add call_site_hash.
906 (cgraph_set_call_stmt): New function.
908 2006-08-20 Jan Hubicka <jh@suse.cz>
910 PR rtl-optimization/28071
911 * reload1.c (reg_has_output_reload): Turn into regset.
912 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
913 choose_reload_regs, emit_reload_insns): Update to new
914 reg_has_output_reload.
916 2006-08-20 Jan Hubicka <jh@suse.cz>
918 PR middle-end/28779
919 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
920 function body sizes.
921 * cgraphunit.c (cgraph_analyze_function): Don't do so.
923 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
925 PR target/28648 c:
926 * tree.c (handle_dll_attribute): Return early if not a
927 var or function decl.
929 2006-08-18 Joseph Myers <joseph@codesourcery.com>
931 PR target/27565
932 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
933 alignment of SPE vector types.
935 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
937 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
939 2006-08-17 Jakub Jelinek <jakub@redhat.com>
941 PR c/28744
942 * cgraph.h (struct cgraph_node): Remove externally_visible
943 bitfield.
944 * cgraphunit.c (process_function_and_variable_attributes): Set
945 local.externally_visible rather than externally_visible.
947 PR c/28744
948 * c-common.c (handle_externally_visible_attribute): First look
949 at TREE_CODE and only if it is function or var decl, check for
950 non-public objects. Don't warn for DECL_EXTERNAL.
951 * cgraphunit.c (process_function_and_variable_attributes): Warn
952 if externally_visible attribute is used on non-public object.
954 2006-08-17 Jan Hubicka <jh@suse.cz>
956 PR tree-optimization/27865
957 * reload1.c (forget_marked_reloads): New function.
958 (forget_old_reloads_1): When data are passed, just mark the registers
959 for later removal.
960 (reload_as_needed): Use the new mechanizm.
962 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
964 PR target/28146
965 * reload.h (reg_equiv_alt_mem_list): New declaration.
966 * reload1.c (reg_equiv_alt_mem_list): New definition.
967 (reload): Initialize it and release it.
968 (delete_output_reload): Use it.
969 * reload.c (push_reg_equiv_alt_mem): New function.
970 (find_reloads_toplev): Call it.
971 (find_reloads_address, find_reloads_address_1): Likewise.
972 (find_reloads_subreg_address): Likewise.
974 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
976 PR rtl-optimization/28489
977 * sched-ebb.c (begin_schedule_ready): Create basic block
978 at the right place.
979 (advance_target_bb): Skip empty blocks.
980 * haifa-sched.c (bb_note): Make global.
981 * sched-int.h (bb_note): Add prototype.
983 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
985 PR tree-optimization/27865
986 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
987 for pointer types.
988 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
989 fold_used_pointer, pointer_used_p): New functions.
990 (analyze_scalar_evolution_1): Use fold_used_pointer.
991 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
992 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
993 for pointers.
995 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
997 PR c++/28573
998 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
999 or the INTEGER_CST. Fail on a CALL_EXPR.
1000 (fold_offsetof): Pass new argument to fold_offsetof_1.
1001 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1002 operand into an INDIRECT_REF.
1003 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1005 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1007 PR gcov/profile/26570
1008 * value-prof.c (static_values): Removed.
1009 (tree_find_values_to_profile): Do not set static_values.
1010 (find_values_to_profile): Do not free static_values.
1011 * profile.c (instrument_values): Do not free the values.
1012 (branch_prob): Free the values.
1014 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1016 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1018 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1020 PR c/27697
1021 * c-typeck.c (build_component_ref): Combine qualifiers of
1022 structure or union and field.
1024 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1026 PR rtl-optimization/28071
1027 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1028 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1029 * tree-into-ssa.c (struct dom_dfsnum): New.
1030 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1031 functions.
1032 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1033 compute_global_livein.
1034 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1035 in phi nodes in the correct blocks.
1037 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1039 PR tree-optimization/28364
1040 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1041 correctly.
1042 (fold_affine_expr): New function.
1043 (may_eliminate_iv): Use fold_affine_expr.
1045 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1047 PR c/27489
1048 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1049 Clean up.
1051 2006-08-16 Mike Stump <mrs@apple.com>
1053 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1054 * doc/cppopts.texi (-MD): Likewise.
1056 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1058 PR c/28287
1059 * c-common.c (handle_weak_attribute): Ignore and warn if
1060 not a FUNCTION_ or VAR_DECL.
1062 2006-07-15 Mike Stump <mrs@apple.com>
1064 PR c/28280
1065 * c-parser.c (c_parser_typeof_specifier): Don't use
1066 c_finish_expr_stmt, open code desired semantics instead.
1068 2006-08-15 Nick Clifton <nickc@redhat.com>
1070 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1071 fragment to tmake_file only if threads are enabled.
1072 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1073 * config/i386/t-gthr-win32: New file. ... here.
1075 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1077 PR c/28649
1078 * c-parser.c (c_parser_compound_statement_nostart): Reset
1079 parser->error after each statement.
1081 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1083 PR middle-end/28713
1084 * omp-low.c (lower_omp_parallel): Convert t to
1085 receiver_decl's type.
1086 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1087 source before comparison.
1089 PR middle-end/28724
1090 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1091 to itype in assignment to oldival2.
1093 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1095 PR c/27490
1096 PR c/27489
1097 * c-typeck.c (build_compound_expr): If the second expression
1098 is an error mark, then just return an error mark instead of
1099 creating a COMPOUND_EXPR.
1101 2006-07-14 Mike Stump <mrs@apple.com>
1103 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1105 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1107 * c-decl.c, var-tracking.c: Fix comment typos.
1109 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1111 PR rtl-optimization/28634
1112 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1113 for floating-point modes unless flag_unsafe_math_optimizations.
1115 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1116 Andrew Pinski <pinskia@physics.uc.edu>
1118 PR c/27184
1119 * tree.c (build_array_type): Unify array types with
1120 unspecified index_type.
1121 * c-decl.c (grokdeclarator): Make sure we do not modify a
1122 unified incomplete array type.
1123 * c-typeck.c (store_init_value): Create distinct type before
1124 filling in the index type in an initializer from a compound
1125 literal.
1127 * c-decl.c (grokdeclarator): Remove code where we copy the
1128 array type over.
1130 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1132 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1133 into account for TODO_dump_cgraph.
1134 (TODO_update_ssa_no_phi): Likewise.
1135 (TODO_update_ssa_full_phi): Likewise.
1136 (TODO_update_ssa_only_virtuals): Likewise.
1137 (TODO_remove_unused_locals): Likewise.
1138 (TODO_set_props): Likewise.
1139 (TODO_update_stmt_usage): Likewise.
1141 2006-08-13 Dirk Mueller <dmueller@suse.de>
1143 * c-common.c (strict_aliasing_warning): Fix formatting.
1145 2006-08-13 Matthias Klose <doko@debian.org>
1147 * doc/invoke.texi: Fix spelling errors.
1149 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1151 PR rtl-optimization/23454
1152 * reorg.c (relax_delay_slots): Update comment.
1154 2006-08-11 Richard Guenther <rguenther@suse.de>
1156 PR middle-end/28651
1157 * simplify-rtx.c (simplify_const_relational_operation):
1158 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1159 codes.
1161 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1163 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1164 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1166 2006-08-10 Paul Brook <paul@codesourcery.com>
1168 * final.c (final_scan_insn): Clear current_insn_predicate before
1169 outputting inline asm.
1171 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1173 PR tree-optimization/26197
1174 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1175 get_ref_base_and_extent and overlap_subvar to add only relevant
1176 subvars as may-aliases.
1177 (add_may_alias_for_new_tag): New function, factored out of
1178 new_type_alias.
1179 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1180 with additional argument.
1181 * tree-flow.h (new_type_alias): Takes additional argument.
1183 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1185 * gcov.c (no_data_file): New flag.
1186 (read_count_file): Set it if data file not present. Assume counts
1187 zero if not found.
1188 (output_lines): Don't name the data file, if there wasn't one.
1190 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1192 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1193 (rs6000_generate_compare): Tweak comments.
1194 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1196 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1198 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1199 (var_debug_decl): New function.
1200 (var_reg_set): Follow debug decl link. Add location even if
1201 reg is already known to hold some other variable.
1202 (var_mem_set): Follow debug decl link.
1203 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1204 decl link. Delete other known locations of the variable part
1205 if requested.
1206 (var_reg_delete, var_mem_delete): Delete other known locations
1207 of the variable part if requested.
1208 (same_variable_part_p): New function.
1209 (add_stores): Select MO_COPY when appropriate.
1210 (vt_initialize): Handle it.
1211 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1212 known locations for MO_SET and MO_CLOBBER.
1213 (find_variable_location_part): New function.
1214 (set_variable_part, delete_variable_part): Use it.
1215 (clobber_variable_part): New function.
1216 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1217 decl link.
1219 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1221 PR tree-optimization/26969
1222 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1223 with an empty list of PHIs.
1225 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1227 PR target/27827
1229 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1230 instructions.
1232 2006-08-06 Andreas Schwab <schwab@suse.de>
1234 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1235 string. Whitespace and comment fixup.
1237 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1239 PR c/28502
1240 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1241 argument.
1243 PR c/27721
1244 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1246 PR c/28136
1247 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1249 2006-08-04 Jan Hubicka <jh@suse.cz>
1251 PR target/26655
1252 PR target/28270
1253 * reload.c (push_reload): Patch out the mismatching instruction;
1254 return early.
1255 (find_reload): Bail out if the instruction was patched out.
1257 2006-08-04 Jan Hubicka <jh@suse.cz>
1259 PR tree-optimization/24888
1260 * tree-inline.c (expand_call_inline): Do not re-record variables.
1261 (declare_inline_vars): Add variable to unexpanded_var_list.
1263 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1264 Roger Sayle <roger@eyesopen.com>
1266 PR rtl-optimization/26244
1267 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1268 inner_const are negative or greater than or equal to the bitsize of
1269 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1270 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1271 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1272 CONST0_RTX (mode) when the new shift count is greater than or equal to
1273 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1274 effects.
1276 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1278 * tree-cfg.c: Fix a comment typo.
1280 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1282 PR c++/28148
1283 * varasm.c (output_constant): Give the front end another chance to
1284 expand constants, after stripping NOPs.
1286 2006-08-03 Jan Hubicka <jh@suse.cz>
1288 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1289 implementation.
1291 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1293 PR tree-optimization/27770
1294 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1295 declaration removed (moved to tree-flow.h).
1296 (vect_can_force_dr_alignment_p): Likewise.
1297 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1298 (moved from tree-vectorizer.h).
1299 (vect_can_force_dr_alignment_p): Likewise.
1300 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1301 from outside the vectorizer - in particular from cgraph stage.
1302 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1303 the alignment of global arrays when -fsection-anchors is enabled.
1304 * cgraphunit.c (cgraph_increase_alignment): New function.
1305 (cgraph_optimize): Call cgraph_increase_alignment.
1307 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1309 PR target/27566
1310 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1311 not reload a SPE symbol_ref into a lo_sum address.
1313 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1315 PR debug/28063
1316 * dwarf2out.c (prune_unused_types_prune): Move call to
1317 prune_unused_types_update_strings to cover the parent DIE also.
1319 2006-08-02 Jan Hubicka <jh@suse.cz>
1321 PR gcov/profile/28480
1322 * tree-cfg.c (change_bb_for_stmt): New function.
1323 (tree_merge_blocks, tree_split_blocks): Use it.
1325 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1327 PR c++/28250
1328 PR c++/28257
1329 PR c++/28259
1330 PR c++/28267
1331 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1332 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1333 (cgraph_optimize): Likewise.
1335 2006-08-01 Stuart Hastings <stuart@apple.com>
1337 * rtl.h (UINTVAL) New.
1338 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1339 * testsuite/gcc.dg/20060801-1.c: New.
1341 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1343 PR debug/23336
1344 * c-typeck.c (build_external_type): Mark used enum types.
1345 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1346 cfun also.
1347 (gen_subprogram_die): Whitespace fix.
1349 2006-08-01 Jan Hubicka <jh@suse.cz>
1351 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1352 bitmap when not needed.
1353 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1354 bitmaps.
1356 2006-08-01 Dirk Mueller <dmueller@suse.de>
1358 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1360 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1362 * Makefile.in: Revert part of previous patch:
1363 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1364 and REGS_H.
1366 2006-07-30 Eric Christopher <echristo@apple.com>
1368 PR target/27543
1369 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1370 (PowerPC Variable Attributes): New section.
1372 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1374 PR target/28126 (partial fix)
1375 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1377 2006-07-28 Jan Hubicka <jh@suse.cz>
1379 PR rtl-optimization/28071
1380 * cfgrtl.c (rtl_delete_block): Free regsets.
1381 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1383 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1385 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1386 and variables used in dependencies.
1388 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1390 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1391 %fs for -mcmodel=kernel.
1392 (stack_tls_protect_test_di): Likewise.
1394 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1396 * Makefile.in: Use mkinstalldirs.
1398 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1400 PR driver/28437
1401 * opts-common.c (prune_options): Skip joined switches.
1403 2006-07-27 Jan Hubicka <jh@suse.cz>
1405 PR rtl-optimization/28071
1406 * cselib.c (cselib_process_insn): Don't remove useless values too
1407 often for very large hashtables.
1409 2006-07-27 Jan Hubicka <jh@suse.cz>
1411 PR rtl-optimization/28071
1412 * global.c (greg_obstack): New obstack.
1413 (allocate_bb_info): Use it.
1414 (free_bb_info): Likewise.
1415 (modify_reg_pav): Likewise.
1417 2006-07-27 Roger Sayle <roger@eyesopen.com>
1419 * builtins.c (fold_fixed_mathfn): When long and long long are the
1420 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1421 functions to their lceil*, lfloor*, lround* and lrint* forms.
1423 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1425 PR gcc/28508
1426 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1427 branch.
1428 (rev_branch_insn): Likewise.
1430 2006-07-27 Jan Hubicka <jh@suse.cz>
1432 PR rtl-optimization/28071
1433 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1434 (reg_set_in_bb, max_reg_computed): New static variables.
1435 (regmove_optimize): Free the new array.
1436 (fixup_match_1): Update call of reg_is_remote_constant_p.
1438 2006-07-26 Jan Hubicka <jh@suse.cz>
1440 PR tree-optimization/27882
1441 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1442 and decl fields.
1443 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1444 next pointer
1445 (cgraph_analyze_compilation_unit): Likewise.
1446 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1447 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1448 (cgraph_early_inlinine): Make order garbage collected.
1449 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1451 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1453 * dbxout.c (output_types_sort): Add a comment.
1454 (output_used_types): Free the VEC.
1456 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1458 * function.c (reorder_fix_fragments): Delete.
1459 (reorder_blocks): Don't call it.
1460 (reorder_blocks_1): Put all subblocks under the origin block.
1462 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1464 PR rtl-optimization/27907
1465 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1466 FLOAT_TRUNCATE.
1468 2006-07-25 Roger Sayle <roger@eyesopen.com>
1470 PR middle-end/28473
1471 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1472 bar(x) check that bar's result type can represent all the values of T.
1474 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1476 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1478 2006-07-25 Nick Clifton <nickc@redhat.com>
1480 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1481 size_lookup[] array.
1482 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1483 (ggc_pch_count_object): Likewise.
1484 (ggc_pch_alloc_object): Likewise.
1485 (ggc_pch_write_object): Likewise.
1486 (init_ggc): Do not attempt to initialize entries in the
1487 size_lookup[] array for objects whose size is greater than than
1488 the length of the array.
1490 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1492 * dbxout.c (output_used_types_helper): Push queued types
1493 on a VEC.
1494 (output_types_sort): New.
1495 (output_used_types): Collect used types on a VEC and sort them
1496 before emission.
1498 2006-07-24 Richard Guenther <rguenther@suse.de>
1500 PR middle-end/28463
1501 * cgraph.c (cgraph_remove_node): Do not check if dumps
1502 are enabled.
1503 * cgraphunit.c (cgraph_optimize): Likewise.
1505 2006-07-24 Jan Hubicka <jh@suse.cz>
1507 PR rtl-optimization/28071
1508 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1509 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1510 splitting before first stmt.
1512 2006-07-24 Jan Hubicka <jh@suse.cz>
1514 PR rtl-optimization/28071
1515 * ipa-inline.c (update_caller_keys): Remove edges that
1516 are no longer inline candidates.
1518 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1520 PR debug/27473
1521 * dbxout.c (output_used_types_helper, output_used_types): New.
1522 (dbxout_symbol): Call output_used_types.
1524 2006-07-23 Jan Hubicka <jh@suse.cz>
1526 PR c/25795
1527 PR c++/27369
1528 * cgraph.c (cgraph_varpool_nodes): Export.
1529 (decide_is_variable_needed): Ignored "used" attribute in
1530 unit-at-a-time mode.
1531 * cgraph.h (cgraph_varpool_nodes): Declare.
1532 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1533 unit-at-a-time mode.
1535 2006-07-23 Roger Sayle <roger@eyesopen.com>
1537 PR target/28247
1538 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1539 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1540 the __gthrw form of thr_keycreate.
1541 (__gthread_key_delete): Silence the unused argument warning.
1543 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1545 PR debug/25468
1546 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1547 Cache the last found '\0' marker to avoid quadratic behavior.
1549 2006-07-23 Jan Hubicka <jh@suse.cz>
1551 * i386.md (subsi_3_zext): Fix output template.
1553 2006-07-21 Mike Stump <mrs@apple.com>
1555 * doc/invoke.texi (C++ Dialect Options): Note that
1556 -fvisibility-inlines-hidden doesn't affect explicitly
1557 instantiationed inline methods.
1559 2006-07-20 Roger Sayle <roger@eyesopen.com>
1561 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1562 if the target assembler is GNU binutils' gas.
1563 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1564 whether to pass GNU gas or native as command line options.
1566 2006-07-20 Jason Merrill <jason@redhat.com>
1568 * tree.c (remove_attribute): New fn.
1569 * tree.h: Declare it.
1571 2006-07-20 Paul Brook <paul@codesourcery.com>
1573 PR 27363
1574 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1575 they are invalidated by this instruction.
1577 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1579 PR target/28427
1580 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1582 2006-07-20 Eric Christopher <echristo@apple.com>
1584 PR target/26877
1585 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1587 2006-07-19 Eric Christopher <echristo@apple.com>
1589 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1590 Rewrite dependencies for libgcc_s.1.dylib.
1592 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1594 * except.c (duplicate_eh_regions_1): Clear next_peer.
1596 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1598 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1599 -mlongcall does not guarantee all calls will be long.
1600 * doc/extend.texi (long_call/short_call): Document that longcall
1601 does not guarantee a long call will be used.
1602 (longcall/shortcall): Likewise.
1604 2006-07-18 Roger Sayle <roger@eyesopen.com>
1606 PR middle-end/28283
1607 * expmed.c (expand_shift): Additionally check that the shift_cost
1608 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1609 before implementing a LSHIFT_EXPR as a sequence of additions.
1610 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1611 middle-end that DImode shifts need to be synthesized by expand.
1613 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1615 PR 28410
1616 * tree-ssa-operands.c (access_can_touch_variable): Update
1617 comment.
1618 Return true if ALIAS is .GLOBAL_VAR.
1620 2006-07-18 David Daney <ddaney@avtrex.com>
1622 * gcc.c (display_help): Fix typo in help text.
1624 2006-07-18 Olivier Hainque <hainque@adacore.com>
1626 * tree.h (categorize_ctor_elements): Adjust prototype and add
1627 descriptive comment, both in accordance with the interface change
1628 described below.
1629 * varasm.c (constructor_static_from_elts_p): New function.
1630 Whether a constructor node is a valid static constant initializer
1631 if all its elements are.
1632 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1633 * output.h: Declare it.
1634 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1635 is a valid constant initializer instead of computing the number of
1636 non-constant elements. Use constructor_static_from_elts_p for this
1637 purpose. Replace the head comment with an indication that this is a
1638 helper for categorize_ctor_elements.
1639 (categorize_ctor_elements): Same interface change as for the _1
1640 helper. Former head comment from this helper moved here, adjusted to
1641 account for the interface changes.
1642 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1643 (all_zeros_p): Likewise.
1644 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1645 static versions of the constructor from the categorize_ctor_elements
1646 return value instead of the formerly computed number of non-constant
1647 elements.
1649 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1651 * configure: Regenerate.
1652 * Makefile.in (build_libsubdir): New configure substitution
1653 (build_libobjdir): New variable.
1654 (BUILD_LIBIBERTY): Use it.
1656 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1658 PR c/28286
1659 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1661 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1663 PR c/26993
1664 * c-common.c (handle_weakref_attribute): Ignore attribute in
1665 the same conditions the alias attribute is ignored.
1667 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1669 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1670 (dbxout_begin_prologue): Increment scope_labelno.
1672 2006-07-17 Richard Henderson <rth@redhat.com>
1674 PR 27889
1675 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1676 if needed.
1678 2006-07-17 Roger Sayle <roger@eyesopen.com>
1679 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1681 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1682 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1683 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1684 functions such as sbrk, write, etc.. Add function prototypes.
1685 Convert function declarations from K&R to ISO C. Cast pointers
1686 to "long" and "unsigned long" instead of "int" and "unsigned int".
1687 Convert tokens following #endif into comments.
1689 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1691 * invoke.texi: Remove mention of f77; Reformat table for
1692 inline parameter options correctly; mention that -malign-double
1693 is default on x86-64 targets.
1695 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1697 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1698 (convert_affine_scev, chrec_convert_aggressive): Use
1699 avoid_arithmetics_in_type_p. Do not check for the subtypes
1700 separately.
1702 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1704 PR middle-end/28403
1705 * optabs.c (expand_doubleword_shift): Wrap the call to
1706 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1708 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1710 PR middle-end/28402
1711 * optabs.c (expand_binop): Pass next_methods rather than methods
1712 to expand_doubleword_shift.
1714 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1716 PR other/28251
1717 * tree.h (dump_addr): Declare.
1718 * print-tree.c (dump_addr): New function.
1719 (print_node_brief, print_node): Use it.
1720 * print-rtl.c (print_rtx): Likewise.
1721 * common.opt (-fdump-noaddr): New option.
1722 * doc/invoke.texi (-fdump-noaddr): Document.
1723 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1724 (ve_info_hash): Likewise.
1726 2006-07-13 Andrew Haley <aph@redhat.com>
1728 PR tree-optimization/19505
1729 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1730 edge leaving this block, make sure that the destination of this
1731 block has only one predecessor.
1733 2006-07-17 Richard Guenther <rguenther@suse.de>
1735 PR tree-optimization/28238
1736 * tree-inline.c (copy_bb): Check if we produced valid
1737 gimple copying and substituting a stmt. If not, gimplify
1738 it.
1740 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1742 * optabs.c (maybe_encapsulate_block): New function extracted from...
1743 (emit_libcall_block): ...here. Invoke it on the block of insns to
1744 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1745 (emit_no_conflict_block): Likewise.
1747 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1749 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1751 2006-07-15 Roger Sayle <roger@eyesopen.com>
1753 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1754 a new NOP_EXPR case of the switch statement.
1756 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1758 PR middle-end/28160
1759 * stor-layout.c (place_field): Take the bit field with
1760 an excessive size into account in the ms-bitfiled case.
1762 PR middle-end/28161
1763 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1764 the previous bit field.
1766 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1768 PR target/27287
1769 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1771 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1773 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1774 signal frames correctly even when the signal was installed with
1775 sa_restorer set.
1777 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1779 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1780 (dbxout_function_end): Use local label LFBB. Remove hook
1781 DBX_OUTPUT_NFUN.
1782 (dbxout_source_line): Use local label LFBB.
1783 (dbxout_block): Likewise.
1784 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1785 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1786 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1787 and DBX_OUTPUT_NFUN.
1789 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1791 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1793 2006-07-13 Jan Hubicka <jh@suse.cz>
1795 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1796 align_variable.
1797 * output.h (align_variable): Declare.
1798 * varasm.c (align_variable): Export.
1799 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1800 when basic block changed.
1802 2006-07-13 Nick Clifton <nickc@redhat.com>
1804 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1805 walking the LOG_LINKS chain.
1807 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1809 * doc/invoke.texi (C++ Dialect Options): Explain difference
1810 between -fvisibility-inlines-hidden and setting hidden
1811 visibility explicitly.
1813 2006-07-12 Eric Christopher <echristo@apple.com>
1815 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1816 (stmp-lipo): Depend on libgcc.a.
1818 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1820 * tree.c: Fix a comment typo.
1822 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1824 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1825 dest.
1826 (umulhisi3_r): Likewise.
1828 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1830 PR libstdc++/27878
1831 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1832 x < 19, vs wchar_t support.
1834 2006-07-12 Nick Clifton <nickc@redhat.com>
1836 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1837 instead of -isa=sh4.
1839 2006-07-12 Mike Stump <mrs@apple.com>
1841 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1843 2006-07-10 Eric Christopher <echristo@apple.com>
1845 * config/t-slibgcc-darwin: Rewrite.
1847 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1849 PR bootstrap/20437
1850 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1851 dependencies.
1853 2006-07-08 Matthias Klose <doko@debian.org>
1855 * doc/sourcebuild.texi: Fix typo.
1857 2006-07-07 Mike Stump <mrs@apple.com>
1859 * toplev.c (process_options): Don't give -ffunction-sections may
1860 affect debugging warning for Mach-O.
1862 2006-07-07 James E Wilson <wilson@specifix.com>
1864 * config/mips/mips.md (cpu): Add sb1a.
1865 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1866 addition to sb1. Adjust comments to clarify SB-1A differences from
1867 SB-1.
1868 (ir_sb1a_load): New. Modify bypasses to use it.
1869 (ir_sb1a_simple_alu): Likewise.
1870 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1871 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1872 (mips_issue_rate): Add PROCESSOR_SB1A.
1873 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1874 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1875 (TARGET_SB1): Add PROCESSOR_SB1A check.
1876 (TUNE_SB1): Likewise.
1878 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1879 * config/mips/mips.c (mips_store_data_bypass_p): New.
1880 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1881 store_data_bypass_p.
1883 2006-07-08 Paul Brook <paul@codesourcery.com>
1885 PR target/27991
1886 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1888 2006-07-07 Richard Guenther <rguenther@suse.de>
1890 PR middle-end/28268
1891 * tree.h (build_one_cst): Declare.
1892 * tree.c (build_one_cst): New function.
1893 * tree-ssa-math-opts.c (get_constant_one): Remove.
1894 (insert_reciprocals): Use build_one_cst.
1895 * fold-const.c (fold_plusminus_mult): Likewise.
1897 2006-07-07 Roger Sayle <roger@eyesopen.com>
1899 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1900 * cfgloopanal.c (dump_graph): Likewise.
1901 * dojump.c (discard_pending_stack_adjust): Likewise.
1902 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1903 Likewise.
1904 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1905 * function.c (finalize_block_changes): Likewise.
1906 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1907 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1908 * rtl.c (dump_rtx_statistics): Likewise.
1909 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1910 Likewise.
1911 * varray.c (dump_varray_statistics): Likewise.
1912 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1913 decode_decimal64, encode_decimal128, decode_decimal128,
1914 decimal_real_to_decimal): Likewise.
1916 2006-07-07 Richard Guenther <rguenther@suse.de>
1918 PR tree-optimization/28187
1919 * tree-vrp.c (vrp_operand_equal_p): New function.
1920 (vrp_bitmap_equal_p): Likewise.
1921 (update_value_range): Use them to compare old and new
1922 max and min values.
1924 2006-07-06 Roger Sayle <roger@eyesopen.com>
1926 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1927 a default case to switch statement to silence compiler warnings.
1929 2006-07-06 Roger Sayle <roger@eyesopen.com>
1931 PR target/27968
1932 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1933 the configured assembler supports the x87's ffreep mnemonic.
1934 * configure: Regenerate.
1935 * config.in: Regenerate.
1937 * config/i386/i386.c (output_387_ffreep): New function.
1938 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1939 (output_387_reg_move): Likewise.
1941 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1943 Port to hosts whose 'sort' and 'tail' implementations
1944 treat operands with leading '+' as file names, as POSIX
1945 has required since 2001. However, make sure the code still
1946 works on pre-POSIX hosts.
1947 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1948 which says you should use "tail -c +N" rather than "tail +Nc".
1949 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1951 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1953 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1954 argument name.
1956 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1958 PR target/28150
1959 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1960 PRE_{INC,DEC} of TFmode.
1962 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1963 Alan Modra <amodra@bigpond.net.au>
1965 PR target/28170
1966 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1967 bounds. Simplify.
1969 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1971 PR target/28285
1972 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1973 Remove duplicate gtu.
1975 2006-07-05 Jason Merrill <jason@redhat.com>
1977 PR c++/13983
1978 PR c++/17519
1979 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1980 * c-common.c (handle_packed_attribute): So don't copy it here.
1981 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1983 2006-07-05 Mike Stump <mrs@apple.com>
1985 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1987 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1989 PR target/26146
1990 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1992 2006-07-05 Richard Guenther <rguenther@suse.de>
1994 PR target/28158
1995 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1996 TARGET_SSE2 targets if using SSE math.
1997 (*absdf2_1): Likewise.
1999 2006-07-05 Richard Guenther <rguenther@suse.de>
2001 PR tree-optimization/28162
2002 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2003 make sure to convert the operands to the correct type.
2005 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2007 PR tree-optimization/28218
2009 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2010 to calculate and free the dominator information.
2012 2006-07-04 Peter O'Gorman <peter@pogma.com>
2014 * mklibgcc.in: chmod 644 before ranlib during install.
2016 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2017 J"orn Rennecke <joern.rennecke@st.com>
2019 * configure.ac (.eh_frame data check): Use diff -b.
2021 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2023 PR bootstrap/18058
2024 * Makefile.in (BUILD_RTL): Add build/vec.o.
2025 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2026 (build/genextract): Delete.
2027 (build/genautomata): Likewise.
2029 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2031 PR target/28207
2032 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2033 128-bit IBM long doubles for ABI_V4.
2035 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2037 * tree.c (range_in_array_bounds_p): New predicate.
2038 * tree.h (range_in_array_bounds_p): Declare it.
2039 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2040 return a less conservative answer.
2041 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2042 and flag 'is_group'.
2043 (IS_ELEMENT_FOR_GROUP): New macro.
2044 (FOR_EACH_ACTUAL_CHILD): Likewise.
2045 (next_child_for_group): New helper function.
2046 (can_completely_scalarize_p): Take into account groups.
2047 (sra_hash_tree): Handle RANGE_EXPR.
2048 (sra_elt_eq): Likewise.
2049 (lookup_element): Be prepared for handling groups.
2050 (is_valid_const_index): Delete.
2051 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2052 instead of is_valid_const_index.
2053 <ARRAY_RANGE_REF>: New case.
2054 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2055 is_valid_const_index.
2056 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2057 (scan_dump): Dump info for groups too.
2058 (decide_instantiation_1): Likewise.
2059 (decide_block_copy): Assert that the element is not a group.
2060 Propagate decision to groups.
2061 (generate_one_element_ref): Handle RANGE_EXPR.
2062 (mark_no_warning): Iterate over actual childs.
2063 (generate_copy_inout): Likewise.
2064 (generate_element_copy): Likewise.
2065 (generate_element_zero): Likewise.
2066 (generate_element_init_1): Likewise.
2067 (dump_sra_elt_name): Handle RANGE_EXPR.
2069 2006-07-03 Roger Sayle <roger@eyesopen.com>
2071 PR tree-optimization/26251
2072 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2073 (thread_block): When optimizing for size refuse to thread jumps
2074 that would require duplication of blocks other than redirection
2075 blocks.
2077 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2079 * configure.ac: Fix thinko in previous check-in.
2080 * configure: Regenerate.
2082 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2084 PR other/27063
2085 * configure.ac (for lang...): Simplify nesting of conditionals.
2086 Test subdir_requires for non-enabled languages. Move processing
2087 of lang_opt_files and lang_tree_fiels below that test.
2088 * configure: Regenerate.
2089 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2091 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2093 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2095 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2097 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2098 comment typos.
2100 2006-06-29 Jason Merrill <jason@redhat.com>
2102 PR c++/26905
2103 PR c++/26612
2104 PR c++/27000
2105 PR c++/26984
2106 PR c++/19134
2107 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2108 * c-common.c (c_determine_visibility): Handle it here.
2109 * c-decl.c (finish_decl): Call c_determine_visibility for
2110 functions, too.
2111 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2112 * tree.h: Likewise.
2113 * varasm.c (default_assemble_visibility): Likewise.
2114 * c-common.c (handle_visibility_attribute): Complain about trying
2115 to give visibility to an already defined class, or trying to change
2116 declared visibility. Always attach the attribute.
2118 PR c++/26905
2119 PR c++/21675
2120 PR c++/17470
2121 * attribs.c (decl_attributes): Ignore type-in-place attributes
2122 once the type has been defined.
2124 2006-06-29 Roger Sayle <roger@eyesopen.com>
2126 PR middle-end/27428
2127 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2128 to indicate the cpplib has issued an error message for us.
2130 2006-06-29 Asher Langton <langton2@llnl.gov>
2132 PR target/25765
2133 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2134 insert a label at the end of an function under Mach-O.
2136 2006-06-29 Eric Christopher <echristo@apple.com>
2137 Evan Cheng <evan.cheng@apple.com>
2139 * predicates.md (vector_all_ones_operand): New.
2140 (nonimmediate_or_sse_const_operand): Ditto.
2141 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2142 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2143 (standard_sse_mode_p): Ditto.
2144 (standard_sse_constant_p): Add case for -1 vector.
2145 (ix86_expand_vector_move): Try to use.
2146 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2147 Call standard_sse_constant_opcode.
2148 (*movv4sf_internal): Ditto.
2149 (*movv2df_internal): Ditto.
2151 2006-06-29 Roger Sayle <roger@eyesopen.com>
2153 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2154 of XEXP to extract the operands of a MATCH_CODE rtx.
2156 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2158 * tree.c (tree_size): Do not waste tail padding in
2159 struct tree_string and make the size be the same as
2160 build_string will generate.
2162 2006-06-28 Jason Merrill <jason@redhat.com>
2164 PR c++/27768
2165 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2166 may_aliases already in the tag's annotations to the bitmap.
2168 2006-06-28 Roger Sayle <roger@eyesopen.com>
2170 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2172 2006-06-28 Roger Sayle <roger@eyesopen.com>
2174 * genpreds.c (generate_switch_p): New function.
2175 (add_mode_tests): Push the new mode test down inside an AND expr
2176 if this allows the switch-suitable MATCH_CODE to be near the root.
2177 (write_match_code_switch): New function to write a MATCH_CODE as
2178 a switch statement.
2179 (write_predicate_stmts): New function to write a predicate RTX
2180 expression as a sequence of statements.
2181 (write_one_predicate_function): Use write_predicate_stmts.
2182 (write_tm_constrs_h): Likewise.
2184 2006-06-26 Fred Fish <fnf@specifix.com>
2186 * config/mips/t-sb1: New file.
2187 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2188 tmake_file list.
2190 2006-06-26 DJ Delorie <dj@redhat.com>
2192 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2194 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2195 Jayant Sonar <jayants@kpitcummins.com>
2196 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2198 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2199 (subsi3, subsi3_1, subsi3_2): New.
2200 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2201 * config/m32c/mov.md (SI mov peephole): New.
2202 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2203 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2205 2006-06-26 Olivier Hainque <hainque@adacore.com>
2207 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2208 a CALL_EXPR target function declaration.
2210 2006-06-26 Richard Guenther <rguenther@suse.de>
2212 * tree.c (build_string): Do not waste tail padding in
2213 struct tree_string.
2215 2006-06-26 Richard Guenther <rguenther@suse.de>
2217 * ggc-page.c (init_ggc): Add missing element to size_lookup
2218 table.
2220 Revert
2221 2006-06-23 Richard Guenther <rguenther@suse.de>
2223 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2224 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2225 alignment requests instead. Add verification code.
2226 Add struct tree_function_decl and struct tree_binfo size to
2227 extra_order_size_table. Add missing element to size_lookup
2228 table.
2230 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2232 PR middle-end/28151
2233 * fold-const.c (const_binop): Be prepared for self returning zero.
2234 Simplify code handling complex values.
2236 2006-06-24 Olivier Hainque <hainque@adacore.com>
2238 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2239 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2240 aggregate types.
2242 2006-06-24 Olivier Hainque <hainque@adacore.com>
2244 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2245 ARRAY_REF, so have the callback called for the low bound expression.
2247 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2249 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2250 * c-typeck.c (c_common_type): Disallow operations on decimal float
2251 types and other float types.
2252 * convert.c (convert_to_real): Don't ignore conversions involving
2253 decimal float types.
2255 2006-06-23 Olivier Hainque <hainque@adacore.com>
2257 * tree.c (max_int_size_in_bytes): New function, inspired from
2258 code in function.c:assign_temp.
2259 * tree.h (max_int_size_in_bytes): Declare.
2260 * function.c (assign_temp): Use it.
2261 * gimplify.c (create_tmp_var): Relax the assertions on the type
2262 properties, not mandating constant size any more.
2263 (force_constant_size): New static function.
2264 (gimple_add_tmp_var): Use it, forcing variable size to a
2265 constant upper bound if it is not constant on entry.
2267 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2269 PR target/27789
2270 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2271 for initialization and setting of one_only flag to ...
2272 (i386_pe_encode_section_info): ...here.
2273 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2274 Recheck that the symbol has not been defined.
2276 2006-06-23 Richard Guenther <rguenther@suse.de>
2278 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2279 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2280 alignment requests instead. Add verification code.
2281 Add struct tree_function_decl and struct tree_binfo size to
2282 extra_order_size_table. Add missing element to size_lookup
2283 table.
2285 2006-06-22 Roger Sayle <roger@eyesopen.com>
2286 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2288 PR middle-end/28131
2289 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2290 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2292 2006-06-23 Ben Elliston <bje@au.ibm.com>
2294 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2295 negate dn -- manipulate it directly.
2297 2006-06-22 Roger Sayle <roger@eyesopen.com>
2298 Steven Bosscher <stevenb.gcc@gmail.com>
2300 PR target/27531
2301 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2302 generated by gen_move_insn to add REG_LABEL notes if necessary.
2304 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2306 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2307 (leaf_entry): Remove use of MIN_ESA.
2309 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2311 PR rtl-optimization/28121
2312 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2313 the entry edge.
2315 2006-06-21 DJ Delorie <dj@redhat.com>
2317 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2318 (TN-16C-A156A/E).
2319 (mulhisi3_r): Likewise.
2321 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2323 PR middle-end/28034
2324 * coverage.c (coverage_counter_alloc): Leave the index type
2325 unspecified.
2326 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2327 of the ARRAY_REF.
2329 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2331 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2332 section from the "Options for Code Generation Conventions".
2334 2006-06-21 Richard Henderson <rth@redhat.com>
2336 PR target/26347
2337 PR target/27082
2338 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2339 symbols.
2340 (global_symbolic_operand): Allow weak symbols, even if local_p.
2342 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2344 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2345 (find_interesting_uses_address): Punt if above function returns true.
2347 2006-06-21 Richard Guenther <rguenther@suse.de>
2349 * configure: Regenerated.
2351 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2353 * config/mips/mips.c (function_arg): Where one part of a
2354 complex argument is in registers and the other part in the stack,
2355 return a REG not a PARALLEL.
2357 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2359 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2360 when cross-compiling. Do not substitute libstdcxx_incdir.
2361 * configure: Regenerated.
2363 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2365 * varasm.c (mergeable_string_section): Check for embedded NULs and
2366 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2367 rather than TREE_STRING_LENGTH bytes.
2369 2006-06-21 Richard Guenther <rguenther@suse.de>
2371 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2372 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2373 sizes.
2375 2006-06-21 Richrad Guenther <rguenther@suse.de>
2377 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2378 Limit iteration over the dominators.
2380 2006-06-20 Roger Sayle <roger@eyesopen.com>
2382 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2383 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2385 2006-06-20 Richard Guenther <rguenther@suse.de>
2386 Michael Matz <matz@suse.de>
2388 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2389 function.
2390 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2391 * et-forest.h (et_free_pools): Prototype new function.
2392 * et-forest.c (et_free_tree_force): Free parent occurrence.
2393 (et_free_pools): New function.
2394 * dominance.c (free_dominance_info): Free et-forest alloc
2395 pools.
2397 2006-06-20 Roger Sayle <roger@eyesopen.com>
2399 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2400 integer modes, attempt to directly construct an integer constant.
2402 * fold-const.c (native_encode_vector): Determine the size of each
2403 element from the vector type instead of the first vector element.
2405 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2406 if all of its elements/components are constant.
2407 (build_constructor_from_list): Likewise.
2409 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2411 PR tree-optimization/27331
2412 * tree-data-ref.c (free_data_ref): New function.
2413 (create_data_ref): Fail if the data reference has unknown access
2414 function.
2415 (free_data_refs): Use free_data_ref.
2417 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2419 PR middle-end/28075
2420 * tree-inline.c (setup_one_parameter): Strip useless
2421 type conversion before adding it to the IR.
2422 (declare_return_variable): Likewise.
2424 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2426 PR c/27149
2427 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2429 2006-06-19 Mike Stump <mrs@apple.com>
2431 * tree.c (variably_modified_type_p): VM arguments don't make the
2432 type a VM type.
2434 2006-06-19 Richard Guenther <rguenther@suse.de>
2436 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2437 type conversions after folding.
2439 2006-06-19 Richard Guenther <rguenther@suse.de>
2441 * ggc-page.c (extra_order_size_tab): Add entries with
2442 size of struct function and basic_block.
2443 (size_lookup): Extend to cover sizes up to 511.
2444 (ggc_alloc_stat): Adjust user.
2445 (ggc_pch_count_object): Likewise.
2446 (ggc_pch_alloc_object): Likewise.
2447 (ggc_pch_write_object): Likewise.
2449 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2451 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2452 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2453 correctly.
2455 2006-06-19 Denis Chertykov <denisc@overta.ru>
2457 * config/avr/libgcc.S : Correct my wrong previous commit.
2459 2006-06-19 Roger Sayle <roger@eyesopen.com>
2461 PR target/27861
2462 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2463 have stripped a SUBREG from the shift count, so we may need to
2464 convert_to_mode back to the type's mode before calling make_tree.
2465 Use new_amount instead of amount to avoid expanding a tree twice.
2467 2006-06-19 Richard Guenther <rguenther@suse.de>
2469 PR middle-end/28045
2470 * fold-const.c (operand_equal_p): Check if the argument types
2471 have the same precision before stripping NOPs.
2473 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2475 Fix PR tree-optimization/27341
2476 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2477 statement we get.
2478 * tree-complex.c (pass_lower_complex): Update SMT usage.
2480 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2482 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2483 Add a new alternative to the constraint strings. Add move of
2484 operand 1 to 3 to the splitter definition.
2485 ("doloop_si_long"): Second contraint alternative removed.
2487 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2489 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2490 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2491 __AVR_HAVE_LPMX__.
2492 (AVR_HAVE_MOVW) Define.
2493 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2494 (ASM_SPEC): Add avr25.
2495 (LINK_SPEC): Add avr25.
2496 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2497 (base_arch_s): Add new member 'have_movw_lpmx'.
2498 (avr_arch_types): Init 'have_movw_lpmx'.
2499 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2500 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2501 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2502 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2503 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2504 AVR_HAVE_MOVW.
2505 (avr_file_start): Do not output '.arh' derective.
2506 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2507 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2508 * config/avr/avr.md (mcu_enhanced): Delete.
2509 (mcu_have_movw): Define.
2510 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2511 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2512 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2513 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2514 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2515 attiny861 and at86rf401 devices.
2517 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2519 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2520 of 4096.
2522 2006-06-17 Karl Berry <karl@gnu.org>
2524 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2525 doc/gccint.texi, doc/install.texi (@dircategory): Use
2526 "Software development" instead of "Programming", following
2527 the Free Software Directory.
2529 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2531 * config/i386/i386.c (legitimate_tls_address)
2532 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2533 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2534 (*tls_dynamic_gnu2_combine_64): Likewise.
2536 2006-06-16 Richard Guenther <rguenther@suse.de>
2538 PR middle-end/27116
2539 * fold-const.c (negate_expr_p): Do not introduce undefined
2540 overflow in negating INTEGER_CSTs.
2541 (fold_negate_expr): Rename from negate_expr. Revert last
2542 change for folding BIT_NOT_EXPR. Change semantics to
2543 return NULL_TREE for non-simplified negations. Do not
2544 strip type conversions and unify type handling.
2545 (negate_expr): New function, wrap around fold_negate_expr
2546 but ensure building a tree always. Strip type conversions
2547 here, fold to result type.
2548 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2550 2006-06-16 Roger Sayle <roger@eyesopen.com>
2552 PR middle-end/27802
2553 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2554 that (would) return their results in stack registers.
2556 2006-06-16 Michael Matz <matz@suse.de>
2557 Richard Guenther <rguenther@suse.de>
2559 * fold-const.c (fold_truthop): Only return new tree node if
2560 we canonicalized something.
2562 2006-06-16 Richard Guenther <rguenther@suse.de>
2564 * function.h (enum function_frequency): Move declaration
2565 out of struct function.
2566 (struct function): Move bool fields and the enum to the bitfield
2567 section. Reorder elements to avoid padding. Remove unused
2568 fields left over from the RTL inliner removal.
2569 * function.c (free_after_compilation): Do not zero removed fields.
2570 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2571 (ipa-type-escape.o): Likewise.
2573 2006-06-16 Richard Guenther <rguenther@suse.de>
2575 * cgraph.h (struct cgraph_local_info): Turn bool elements
2576 into a bitfield.
2577 (struct cgraph_node): Likewise.
2578 (struct cgraph_varpool_node): Likewise.
2580 2006-06-15 Richard Guenther <rguenther@suse.de>
2582 * fold-const.c (fold_truth_not_expr): Rename from
2583 invert_truthvalue. Give it fold_* semantics to avoid
2584 generating garbage.
2585 (invert_truthvalue): New function. Wrapper around
2586 fold_truth_not_expr.
2587 (optimize_minmax_comparison): Avoid creating garbage.
2588 (fold_unary): Use fold_truth_not_expr for folding
2589 TRUTH_NOT_EXPR.
2590 (fold_ternary): Replace uses of invert_truthvalue with
2591 fold_truth_not_expr where applicable.
2592 * tree.h (fold_truth_not_expr): Prototype.
2594 2006-06-16 Richard Guenther <rguenther@suse.de>
2596 PR tree-optimization/27781
2597 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2598 * ipa-pure-const.c (target.h): Include.
2599 (analyze_function): Do not analyze functions that do not
2600 bind locally.
2602 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2604 PR middle-end/27793
2605 * tree-dfa.c (referenced_vars_dup_list): Remove.
2606 (find_referenced_vars): Remove assert.
2607 (referenced_var_check_and_insert): Replace dup list with assert.
2608 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2609 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2611 2006-06-15 Richard Guenther <rguenther@suse.de>
2613 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2614 extra unused identifiers if not dumping.
2615 (create_variable_info_for): Likewise.
2617 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2619 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2620 (derive_constant_upper_bound): Derive more precise upper bound in
2621 common cases. Return type changed to double_int.
2622 (record_estimate): Reflect the changed return type of
2623 derive_constant_upper_bound.
2624 * double-int.c (double_int_zext, double_int_sext): Fix.
2626 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2628 * configure.ac (CFLAGS): Get them from the toplevel or from the
2629 configure invocation.
2630 * configure: Regenerate.
2631 * Makefile.in (CFLAGS): Substitute value provided by configure.
2633 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2635 PR c++/26559
2636 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2637 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2638 rather than calling add_stmt on it.
2639 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2641 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2643 PR middle-end/27959
2644 * reload1.c (reload): Remove registers returned by update_eliminables
2645 from used_spill_regs.
2647 2006-06-13 DJ Delorie <dj@redhat.com>
2649 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2651 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2653 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2654 html__strip_dir, html__mkdir_p. Enhance install-html target.
2655 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2656 * configure: Regenerate.
2658 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2660 * fold-const.c (fold_cond_expr_with_comparison): Check for
2661 Objective-C++ as language in deciding COND_EXPR transformation.
2663 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2665 PR target/28014:
2666 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2667 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2668 * config/sh/lib1funcs.h (SL, SL1): Define.
2669 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2670 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2671 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2672 (OBJS_Os_4_200): New variable.
2673 ($(T)libgcc-Os-4-200.a): Use it.
2674 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2675 when dividing 1 and/or by 0.
2677 2006-06-13 Roger Sayle <roger@eyesopen.com>
2679 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2680 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2681 * configure: Regenerate.
2683 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2685 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2686 for real instruction.
2688 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2690 PR middle-end/26807
2691 * haifa-sched.c (check_cfg): Handle special case.
2693 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2695 PR debug/26754
2696 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2697 Add debug_info parameter. Chain the vars to the BLOCK instead
2698 of the BIND_EXPR if debug info are requested for them.
2699 (pop_gimplify_context): Adjust for above change.
2700 (gimple_add_tmp_var): Likewise.
2701 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2702 Add bool parameter.
2703 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2704 (convert_local_reference): Likewise.
2705 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2706 (finalize_nesting_tree_1): Request that debug info be emitted
2707 for debug_var_chain.
2709 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2711 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2712 for PR target/27863.
2714 2006-06-13 Richard Guenther <rguenther@suse.de>
2716 PR middle-end/27536
2717 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2719 2006-06-13 Richard Guenther <rguenther@suse.de>
2721 PR tree-optimization/27830
2722 * tree-inline.c (copy_body_r): For copying the operand
2723 of an ADDR_EXPR make sure to fold &* afterwards.
2725 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2727 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2728 lvalues in the fb_none case with side-effects.
2730 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2732 * tree-flow.h: Remove the prototype for
2733 compute_phi_arg_on_exit.
2734 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2735 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2736 Remove.
2738 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2740 * builtins.c (expand_builtin_return_addr): Only use
2741 frame_pointer_rtx when count == 0 and we are expanding
2742 __builtin_return_address.
2744 2006-06-12 Fred Fish <fnf@specifix.com>
2746 * config/mips/mips.c (mips_file_start): Create special section
2747 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2749 2006-06-11 Eric Christopher <echristo@apple.com>
2751 PR middle-end/27948
2752 * stor-layout.c (place_field): Remove check for
2753 remaining_in_alignment when aligning at the end of a run.
2755 2006-06-11 Eric Christopher <echristo@apple.com>
2757 PR 27542
2758 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2759 pragma.
2761 2006-06-11 Roger Sayle <roger@eyesopen.com>
2763 PR target/27858
2764 Revert incorrect fix for PR target/27158
2765 2006-05-08 Roger Sayle <roger@eyesopen.com>
2766 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2767 of a reg_equiv_constant if the result is a legitimate constant.
2769 2006-06-11 Roger Sayle <roger@eyesopen.com>
2771 PR target/27158
2772 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2773 extract a CONST_VECTOR element and interpret it as an integer.
2774 (vspltis_constant): Use const_vector_elt_as_int instead of the
2775 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2776 * config/rs6000/predicates.md (easy_vector_const): Consider
2777 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2779 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2781 PR middle-end/27942
2782 * stor-layout.c (update_alignment_for_field): Don't add extra
2783 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2784 code.
2786 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2788 * config/mips/t-rtems: Add EL/EB multilib variants.
2790 2006-06-09 Mike Stump <mrs@apple.com>
2792 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2794 2006-06-09 David Daney <ddaney@avtrex.com>
2796 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2798 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2800 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2802 2006-06-09 Richard Guenther <rguenther@suse.de>
2804 PR tree-optimization/26998
2805 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2806 of signed types, only TYPE_MIN_VALUE is special, but for both,
2807 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2808 in this case, as is -fwrapv.
2810 2006-06-08 Mike Stump <mrs@apple.com>
2812 PR target/26427
2813 * config/darwin.c (darwin_asm_output_anchor): Disable
2814 -fsection-anchors on darwin for now.
2815 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2816 * rs6000/rs6000.c (optimization_options): Likewise.
2818 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2820 PR target/27421
2821 * config/i386/i386.c (classify_argument): Skip fields with invalid
2822 types in unions.
2824 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2826 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2827 (cse_insn): Likewise for the stack_pointer_rtx.
2829 2006-06-08 Roger Sayle <roger@eyesopen.com>
2831 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2832 conditions from floating point comparisons.
2834 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2836 PR middle-end/27733
2837 * expmed.c (struct alg_hash_entry): Fix type of field T
2838 to match synth_mult argument.
2839 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2841 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2843 PR target/27863
2844 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2845 block boundaries.
2847 2006-06-08 Richard Guenther <rguenther@suse.de>
2849 PR middle-end/27116
2850 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2851 only, if overflow is defined and not trapping.
2852 (negate_expr): Likewise.
2854 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2856 PR tree-optimization/27872
2857 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2858 flag on the new exit edge of the unrolled loop.
2860 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2862 PR rtl-optimization/26449
2863 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2865 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2867 PR middle-end/27793
2868 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2869 referenced_variables with matching DECL_UID's.
2870 (find_referenced_vars): Make sure duplicate list is empty to start.
2871 (referenced_var_p): Remove.
2872 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2873 Check if var is in the list, and add if needed. Update the duplicate
2874 list if a different var is in the list with the same DECL_UID.
2875 (add_referenced_var): Call routine to check and insert.
2876 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2877 * tree-flow.h (referenced_vars_dup_list): External declaration.
2879 2006-06-07 Fred Fish <fnf@specifix.com>
2881 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2882 into single entry.
2884 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2886 PR target/27390
2887 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2888 the imaginary and real parts of a clobbered register.
2889 Emit insn to set the imaginary part.
2891 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2893 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2894 in lieu of unwind-dw2-fde.c.
2896 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2898 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2900 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2902 PR target/27842
2903 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2904 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2905 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2906 V4SImode temporaries and operations instead.
2908 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2910 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2911 dp-bit.c.
2913 2006-06-06 Mike Stump <mrs@apple.com>
2915 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2916 installing during build.
2918 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2920 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2921 value to 0.
2922 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2923 * config/ia64/ia64.c (params.h): New header.
2924 (ia64_optimization_options): New function to adjust parameters.
2925 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2926 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2927 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2929 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2931 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2933 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2935 PR target/27051
2936 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2938 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2939 Victor Kaplansky <victork@il.ibm.com>
2941 PR tree-optimization/26360
2942 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2943 stmts.
2945 2006-06-04 Roger Sayle <roger@eyesopen.com>
2946 Andrew Pinski <pinskia@physics.uc.edu>
2948 PR middle-end/27382
2949 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2950 for LABEL_DECL before calling DECL_WEAK.
2952 PR c/27150
2953 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2954 LABEL_DECL and PARM_DECL.
2956 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2958 PR c/25161
2959 PR c/27020
2960 * c-decl.c (grokdeclarator): Disallow variably modified types at
2961 file scope. Avoid marking shared array type of constant size as
2962 VLA.
2964 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2966 PR c++/27601
2967 * c-common.c (fold_offsetof_1): Handle static members.
2969 2006-06-04 Eric Christopher <echristo@apple.com>
2971 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2972 (debug_rli): Output value for remaining_in_alignment.
2973 (update_alignment_for_field): Unconditionalize
2974 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2975 extra alignment code.
2976 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2977 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2978 * tree.h (record_layout_info_s): Remove prev_packed.
2979 * doc/extend.texi (ms_struct): Add documentation of format.
2981 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2983 * tree.h: Declare folding_initializer.
2984 * builtins.c (fold_builtin_constant_p): Give definite answer
2985 if folding inside an initializer.
2986 * fold-const.c: Define folding_initializer.
2987 (START_FOLD_INIT): Save and then set folding_initializer.
2988 (END_FOLD_INIT): Restore folding_initializer.
2990 2006-06-04 Richard Guenther <rguenther@suse.de>
2992 PR tree-optimization/27039
2993 * fold-const.c (fold_comparison): Handle pointer comparison
2994 again for all comparison codes. Compare offsets in signed
2995 size type.
2996 (fold_binary): Move code from here.
2998 2006-06-03 Roger Sayle <roger@eyesopen.com>
3000 PR target/26223
3001 * config/i386/i386.c (construct_container): Split static issued_error
3002 flag into issued_sse_arg_error, issued_sse_ret_error and
3003 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3004 requires the use of x87 registers and the user explicitly
3005 specified the -mno-80387 command line option.
3007 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3009 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3010 HAVE_DECL_SIGALTSTACK.
3011 (MC_FLD): New.
3012 (segv_handler): Use MC_FLD.
3013 * configure.ac: Check for a sigaltstack declaration.
3014 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3015 * configure: Regenerate.
3016 * config.in: Regenerate.
3018 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3020 PR other/27850
3021 * Makefile.in (stmp-fixinc): Fix typo.
3023 2006-06-02 Roger Sayle <roger@eyesopen.com>
3025 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3026 are type correct. Clean-up.
3027 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3028 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3030 2006-06-01 DJ Delorie <dj@redhat.com>
3032 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3033 shift, as we've disabled the "switch" insn that needs it.
3035 2006-06-01 Per Bothner <bothner@bothner.com>
3037 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3038 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3039 * c-ppoutput.c (cb_define): Don't increment line 0.
3041 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3043 * doc/invoke.texi: Add cpu_type power6.
3044 * config.gcc: Add cpu_type power6.
3045 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3046 to power5+ with Altivec.
3047 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3048 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3050 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3052 * config/avr/avr.h (SET_ASM_OP): Define.
3054 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3056 * config/bfin/bfin.c: Fix comment typos.
3058 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3060 PR 25453
3061 * doc/install.texi: Document --enable-bootstrap and
3062 --disable-bootstrap.
3064 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3066 * doc/install.texi: Document that InfoZIP can replace jar.
3068 2006-05-31 Roger Sayle <roger@eyesopen.com>
3070 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3071 isn't available, directly generate the simpler x87 patterns without
3072 the (use (const_int 0)).
3073 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3074 implementation isn't available.
3075 (*negdf2_1): Likewise.
3076 (*negxf2_1): XF mode negation is always done using the x87.
3077 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3079 2006-05-31 Roger Sayle <roger@eyesopen.com>
3081 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3082 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3083 cabs(z).
3084 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3086 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3088 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3089 * config/bfin/bfin.c (basic-block.h): Include.
3090 (struct machine_function): New.
3091 (bfin_init_machine_status): New.
3092 (override_options): Initialize init_machine_status.
3093 (bfin_hardware_loop): New.
3094 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3095 (DEF_VEC_P (loop_info)): New.
3096 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3097 (struct loop_info): New.
3098 (loop_info): New typedef.
3099 (struct loop_work): New.
3100 (loop_work): New typedef.
3101 (DEF_VEC_O (loop_work)): New.
3102 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3103 (bfin_dump_loops): New.
3104 (bfin_bb_in_loop): New.
3105 (bfin_scan_loop): New.
3106 (bfin_optimize_loop): New.
3107 (bfin_reorg_loops): New.
3108 (bfin_reorg): Use bfin_reorg_loops.
3109 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3110 loop registers.
3111 (I_REGNO_P): Simplify.
3112 (DP_REGNO_P, DPREG_P): New macros.
3113 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3114 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3115 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3116 Add LT_REGS, LC_REGS, LB_REGS.
3117 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3118 'l' for LB_REGS.
3119 (REGNO_REG_CLASS): Deal with loop registers.
3120 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3121 letters.
3122 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3123 New constants for loop registers.
3124 (UNSPEC_LSETUP_END): New.
3125 (seq_insns): New define_attr. Set it for appropriate insns.
3126 (movsi_insn): Add alternatives for move from/to
3127 loop count registers.
3128 (doloop_end): New define_expand.
3129 (loop_end): New define_insn.
3130 (define_split for bad doloop_end): New.
3131 (lsetup_with_autoinit): New define_insn.
3132 (lsetup_without_autoinit): New define_insn.
3133 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3134 * config/bfin/predicates.md (lc_register_operand): New.
3135 (lt_register_operand): New.
3136 (lb_register_operand): New.
3137 (nondp_register_operand): New.
3138 (nondp_reg_or_memory_operand): New.
3139 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3141 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3143 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3144 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3146 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3148 * Makefile.in (CATALOGS): Add po/ prefix.
3149 * configure: Regenerated.
3151 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3153 PR target/27829
3154 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3155 a shift operand before calling shift_op. Avoid redundant call of
3156 shift_op.
3158 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3159 DJ Delorie <dj@redhat.com>
3161 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3162 we're inserting is a singlt-bit constant.
3164 2006-05-30 Roger Sayle <roger@eyesopen.com>
3166 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3167 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3169 2006-05-30 Roger Sayle <roger@eyesopen.com>
3171 PR tree-optimization/23452
3172 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3173 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3174 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3175 complex values and with -ffast-math for FP complex values.
3177 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3179 * c-common.h: Remove the prototype for yyparse.
3180 * rtl.h: Remove the prototype for init_loop.
3182 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3184 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3185 calling recog.
3187 2006-05-30 Roger Sayle <roger@eyesopen.com>
3189 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3190 and rotate cases.
3191 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3192 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3194 2006-05-30 Dirk Mueller <dmueller@suse.de>
3196 PR c/27273
3197 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3198 for CONSTANT_CLASS_P expresisons.
3200 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3202 PR c/27718
3203 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3205 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3207 PR tree-optimization/27779
3208 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3209 initial_condition instead of CHREC_LEFT.
3211 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3213 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3214 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3215 Make prototypes ISO C90.
3217 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3218 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3220 * see.c (see_analyze_one_def): Correct check.
3221 (see_get_extension_data): Check if extension is parallel.
3222 (see_get_extension_reg): Likewise.
3224 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3226 PR target/27790
3227 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3228 into register for (code == GTU).
3230 2006-05-29 Roger Sayle <roger@eyesopen.com>
3232 PR tree-optimization/24964
3233 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3234 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3235 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3236 abs(x)*abs(x) as x*x for scalar floating point modes.
3238 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3240 PR middle-end/27745
3241 * lambda-code.c (perfect_nestify): Don't copy statements
3242 in the inner loop: move them to the inner loop header.
3244 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3246 PR 26237
3247 * c-tree.texi: Document OpenMP directives and clauses.
3249 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3251 * varasm.c (globalize_decl): Fix indentation.
3253 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3255 PR 26242
3256 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3257 pass_fre, pass_store_ccp, pass_copy_prop,
3258 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3259 pass_return_slot, pass_object_size, pass_lim,
3260 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3261 pass_loop_prefetch and pass_stdarg.
3263 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3265 * config/bfin/bfin.opt (mfdpic): New option.
3266 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3267 (EXTRA_MULTILIB_PARTS): Likewise.
3268 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3269 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3270 multilib.
3271 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3272 (CRT_CALL_STATIC_FUNCTION): New.
3273 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3274 -shared.
3275 (CRT_CALL_STATIC_FUNCTION): New.
3276 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3277 FD-PIC moves.
3278 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3279 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3280 (initialize_trampoline): Changed to handle FD-PIC code generation.
3281 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3282 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3283 (override_options): Disallow -mid-shared-library -mfdpic combination.
3284 Can't do unaligned ops if FD-PIC.
3285 Turn off flag_pic if trying to generate non-id-shared-library
3286 non-fdpic code, since it's not supported.
3287 (bfin_assemble_integer): New function.
3288 (TARGET_ASM_INTEGER): Define.
3289 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3290 __BFIN_FDPIC__.
3291 * config/bfin/crtn.s: Restore them.
3292 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3293 if TARGET_FDPIC.
3294 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3295 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3296 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3297 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3298 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3299 call-used.
3300 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3301 FDPIC_REGS and FDPIC_FPTR_REGS.
3302 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3303 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3304 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3305 (load_funcdescsi): New pattern.
3306 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3307 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3308 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3310 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3312 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3313 loop.c.
3315 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3317 * tree-flow.h: Remove the prototype for add_type_alias.
3318 * tree-ssa-alias.c (add_type_alias): Remove.
3320 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3322 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3323 config/fr30/fr30.md, config/i386/i386-interix.h,
3324 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3325 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3326 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3327 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3328 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3329 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3330 Follow spelling conventions.
3331 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3332 Follow spelling conventions.
3334 2006-05-27 Richard Guenther <rguenther@suse.de>
3336 PR middle-end/27773
3337 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3338 to produce a constant of value 1 of generic type.
3340 2006-05-27 Dirk Mueller <dmueller@suse.de>
3342 * cgraphunit.c (decide_is_function_needed): Fix wrong
3343 PR reference.
3345 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3347 PR rtl-optimization/27661
3348 * reload.c (find_reloads): When reloading a VOIDmode constant
3349 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3350 use Pmode as mode of the reload register.
3352 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3354 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3355 is enabled at -O and above.
3357 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3359 PR target/27571
3360 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3361 table data.
3363 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3365 PR c++/20103
3366 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3367 for anonymous variables explicitly declared by front ends.
3369 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3371 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3372 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3373 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3374 ref-all pointers, run a finalization pass for them.
3375 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3376 (finalize_ref_all_pointers): New function.
3377 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3378 regular pointer type to a ref-all pointer type.
3379 (get_tmt_for): Return the special memory tag for ref-all pointers.
3381 2006-05-25 Richard Guenther <rguenther@suse.de>
3383 PR middle-end/27743
3384 * fold-const.c (fold_binary): Do not look at the stripped
3385 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3387 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3389 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3390 for LT and GT if the computed range is effectively empty.
3392 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3394 PR target/27627
3395 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3396 mips_quad_format formats instead of ieee_single_format,
3397 ieee_double_format and ieee_quad_format formats, respectively.
3399 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3401 PR tree-optimization/27639
3402 PR tree-optimization/26719
3403 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3404 call to scev_probably_wraps_p.
3405 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3406 used_in_pointer_arithmetic_p, convert_step): Removed.
3407 (nowrap_type_p): New function.
3408 (scev_probably_wraps_p): Rewritten.
3409 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3410 chrec_convert if chrec_convert_aggressive might have been used.
3411 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3412 scev_direction): New functions.
3413 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3414 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3415 instead of convert_step.
3416 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3417 (convert_step): Declaration removed.
3418 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3420 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3422 * df-core.c: Added to header comments.
3423 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3424 df_ur_bb_info, df_urec_bb_info): Added comments.
3425 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3426 urec, ri problems): Fixed header comments.
3427 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3428 code from df_rd_transfer_function.
3430 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3432 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3433 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3434 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3436 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3438 * expr.c (undefined_operand_subword_p): New.
3439 (emit_move_multi_word): Do not generate move from undefined bits
3440 of a paradoxical subreg.
3442 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3444 PR rtl-optimization/27736
3445 * combine.c (replaced_rhs_value): New variable.
3446 (combine_instructions): Set it.
3447 (distribute_notes): When distributing a note in replaced_rhs_insn,
3448 check whether the value was used in replaced_rhs_value.
3450 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3452 PR c++/26757
3453 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3454 add_referenced_var instead of add_referenced_tmp_var.
3455 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3456 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3457 add_referenced_var.
3458 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3459 tree_optimize_tail_calls_1): Use add_referenced_var.
3460 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3461 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3462 Use add_referenced_var.
3463 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3464 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3465 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3466 Use add_referenced_var.
3467 * tree-dfa.c (struct walk_state): Remove.
3468 (find_referenced_vars): Remove walk state and vars_found hash table.
3469 (make_rename_temp): Use add_referenced_var.
3470 (find_vars_r): Pass less parameters to add_referenced_var.
3471 (referenced_var_p): New. Is var in referenced_var hash table.
3472 (referenced_var_insert): Assert var isn't already in hash table.
3473 (add_referenced_var): Don't need walk_state parameter. Add var if it
3474 isn't already in the hash table.
3475 (add_referenced_tmp_var): Remove.
3476 (find_new_referenced_vars_1): Use add_referenced_var.
3477 * tree-ssa-pre.c (create_expression_by_pieces,
3478 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3479 Use add_referenced_var.
3480 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3481 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3482 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3483 add_referenced_var.
3484 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3485 vect_create_data_ref_ptr, vect_create_destination_var,
3486 vect_init_vector, vect_build_loop_niters,
3487 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3488 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3489 Use add_referenced_var.
3490 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3491 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3492 (add_referenced_var): Add prototype.
3493 * tree-ssa-structalias.c (get_constraint_for,
3494 intra_create_variable_infos): Use add_referenced_var.
3496 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3498 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3499 big-endian paradoxical subregs.
3500 * var-tracking.c (struct micro_operation_def): Document that,
3501 for modify micro operations, insn is the subsequent instruction.
3502 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3503 (var_reg_set, var_mem_set): ... new functions.
3504 (add_stores): Record subsequent insn.
3505 (compute_bb_dataflow): Use new functions for MO_USE.
3506 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3507 notes after the insn, and modify notes before the insn known
3508 to be the subsequent one.
3509 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3511 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3513 PR target/27696
3514 * config/i386/i386.c (ix86_expand_builtin): Use
3515 gen_sse3_monitor64 for TARGET_64BIT.
3517 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3519 PR rtl-optimization/26375
3520 PR rtl-optimization/26855
3521 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3522 to gen set.
3523 (df_ru_bb_local_compute): Reversed statements and removed bogus
3524 comment explaining why they should be in wrong order.
3525 (df_ru_dump, df_rd_dump): Enhanced debug info.
3526 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3527 debug info.
3528 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3529 reaching uses and fixed space problem.
3531 2006-05-23 Jan Hubicka <jh@suse.cz>
3533 * cgraphunit.c (decide_is_function_needed): Also nested functions
3534 and functions declared inline can be optimized out at -O0.
3536 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3538 * doc/install.texi (Configuration): Remove reference to CrossGCC
3539 FAQ which was gone.
3540 (Building): Ditto.
3542 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3544 PR target/27266
3545 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3546 ix86_compare_emitted is non-NULL.
3548 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3550 PR c++/27451
3551 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3552 clobbers.
3554 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3556 PR rtl-optimization/25514
3557 * combine.c (replaced_rhs_insn): New variable.
3558 (combine_instructions): Set replaced_rhs_insn when trying to replace
3559 a SET_SRC with a REG_EQUAL note.
3560 (distribute_notes): Use replaced_rhs_insn when determining the live
3561 range of a REG_DEAD register.
3563 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3564 Anatoly Sokolov <aesok@post.ru>
3566 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3567 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3568 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3569 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3570 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3571 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3572 at90usb647, at90usb1286 and at90usb1287 devices.
3573 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3574 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3576 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3578 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3580 2006-05-22 Richard Guenther <rguenther@suse.de>
3582 Revert
3583 2006-01-31 Richard Guenther <rguenther@suse.de>
3584 Paolo Bonzini <bonzini@gnu.org>
3586 * doc/install.texi (--disable-libgcc-math): Document.
3588 2006-05-22 Richard Guenther <rguenther@suse.de>
3590 Revert
3591 2006-01-31 Richard Guenther <rguenther@suse.de>
3593 * doc/invoke.texi (-msselibm): Document.
3594 * target.h (expand_library_builtin): New target hook.
3595 * builtins.c (expand_builtin): Use expand_library_builtin.
3596 (default_expand_library_builtin): New function.
3597 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3598 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3599 (link_gcc_math_spec): Declare.
3600 (static_specs): Add link_gcc_math_spec.
3601 * expr.h (default_expand_library_builtin): Declare.
3602 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3603 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3604 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3605 * config/i386/i386.opt (msselibm): New target option.
3606 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3607 (ix86_init_sse_abi_builtins): New function.
3608 (ix86_expand_library_builtin): Likewise.
3609 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3610 (override_options): Handle error conditions wrt -msselibm.
3611 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3612 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3613 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3614 builtins.
3616 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3618 PR c/27420
3619 * c-common.c (self_promoting_args_p): Skip erroneous args.
3621 PR c/26818
3622 * c-decl.c (finish_struct): Skip erroneous fields.
3624 2006-05-22 Nick Clifton <nickc@redhat.com>
3626 * config/cris/cris.opt (march): Remove VarExists attribute.
3627 (max-stackframe=): Likewise.
3629 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3631 * doc/rtl.texi: Fix a typo.
3632 * see.c: Fix comment typos.
3634 * tree-ssa-structalias.h (alias_info): Remove num_references.
3636 2006-05-21 Mike Stump <mrs@apple.com>
3638 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3639 (BAD2): Add.
3640 (darwin_pragma_options): Use BAD instead.
3641 (darwin_pragma_unused): Likewise.
3642 (darwin_pragma_ms_struct): Likewise.
3644 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3646 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3648 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3650 PR rtl-optimization/27671
3651 * simplify-rtx.c (simplify_relational_operation_1): Fix
3652 simplifications of (eq/ne (xor x y) y) and
3653 (eq/ne (xor x y) x).
3655 PR tree-optimization/26622.
3656 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3657 on arg1.
3659 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3661 * tree-cfg.c: Prune whitespace.
3662 (debug_tree_cfg): Point to correct header containing the
3663 TDF_* defines.
3665 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3667 PR middle-end/25776
3668 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3670 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3672 PR middle-end/25776
3673 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3674 or sorry count is non zero.
3676 2006-05-20 Andreas Schwab <schwab@suse.de>
3678 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3680 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3681 Kenneth Zadeck <zadeck@naturalbridge.com>
3683 PR rtl-optimization/26855
3685 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3686 multiword refs.
3687 (df_scan_alloc): Added code to properly handle multiword hard
3688 registers and add all_blocks parameter.
3689 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3690 code to properly handle multiword hard registers.
3691 (df_rescan_blocks): Added code to remove deleted blocks from
3692 bitmap.
3693 (df_ref_create_structure, df_ref_record): Added code to properly
3694 handle subregs.
3695 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3696 and set DF_REF_PARTIAL.
3697 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3698 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3699 (df_scan_add_problem): Added flags parameter.
3700 (df_ref_create_structure): Changed switching structure.
3701 (df_bb_refs_record): Fixed case where duplicate artificial refs
3702 were created. Changed location of flags.
3703 (df_record_entry_block_defs): Added code to make stack pointer
3704 live in entry block. Refined cases where frame pointer is needed.
3705 Changed location of flags.
3706 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3707 (df_set_state): Removed function.
3708 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3709 df_insn_create_insn_record, df_insn_refs_delete,
3710 df_ref_create_structure): Formatting changes.
3711 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3712 df_delete_basic_block): New function.
3713 (df_init): Changed location of flags.
3714 (df_add_problem): Added flags parameter and the way flags are
3715 processed.
3716 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3717 debug_df_chain): Improved debugging output.
3718 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3719 (df_refs_chain_dump): Removed df parameter.
3720 (df_iterative_dataflow): Added consistency check.
3721 (df_prune_to_subcfg): Made public.
3722 (df_analyze_problem): Added blocks_to_init parameter and made
3723 public.
3724 (df_ref_record, df_bb_refs_record, df_mark_reg,
3725 df_record_exit_block_uses): Whitespace changes.
3726 (df_dump): Whitespace changes.
3727 * df.h: Some reordering to remove forward references.
3728 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3729 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3730 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3731 (dataflow.flags): New field.
3732 (df.flag): Deleted field.
3733 (df_alloc_function): Added additional bitmap parameter.
3734 (df_dependent_problem_function): New type.
3735 (df_problem.changeable_flags): New field.
3736 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3737 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3738 (df_mw_hardreg): New struct.
3739 (DF_INSN_UID_MWS): New macro.
3740 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3741 parameter.
3742 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3743 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3744 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3745 (df_set_state): Removed function.
3746 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3747 * df-problems.c (df_chain_dump): Removed df parameter.
3748 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3749 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3750 parameter.
3751 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3752 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3753 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3754 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3755 DF_REF_MUST_CLOBBER cases.
3756 (df_ru_bb_local_compute_process_def,
3757 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3758 df_lr_bb_local_compute, df_ur_bb_local_compute,
3759 df_chain_create_bb): Made subreg aware.
3760 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3761 df_lr_bb_local_compute, df_lr_bb_local_compute,
3762 df_chain_create_bb): Cleanup to use proper macros.
3763 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3764 code to fixup bitvectors.
3765 (df_ri_alloc): Cleared lifetime.
3766 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3767 df_create_unused_note): New function.
3768 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3769 REG_DEAD and REG_UNUSED notes as well as register information.
3770 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3771 df_chains_dump): Fixed crash if problem was never run.
3772 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3773 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3774 df_ri_add_problem): Processes flags in uniform manner.
3775 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3776 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3777 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3778 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3779 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3780 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3781 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3782 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3783 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3784 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3785 * see.c (see_initialize_data): Ditto.
3786 * final.c (rest_of_clean_state) Added regstack_completed.
3787 * rtl.h (regstack_completed): Ditto.
3788 * reg-stack.c (regstack_completed): Ditto.
3790 2006-05-19 Mike Stump <mrs@apple.com>
3792 * c-tree.h (default_conversion): Remove.
3793 * c-common.h (default_conversion): Add.
3795 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3797 * tree-vrp.c (valid_value_p): New function.
3798 (adjust_range_with_scev): Fail if the value of bound is not
3799 simple.
3801 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3803 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3804 (mips_fallback_frame_state): Use syscall numbers to determine
3805 the appropriate li instruction for the current ABI. Only use
3806 __NR_sigreturn for o32.
3808 2006-05-19 Nicolas Setton <setton@adacore.com>
3810 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3811 * langhooks.c (lhd_dwarf_name): New function.
3812 * langhooks-def.h (lhd_dwarf_name): Declare.
3813 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3814 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3815 * ada/misc.c (gnat_dwarf_name): New function.
3816 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3818 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3820 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3821 libgcc2.h.
3822 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3823 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3824 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3825 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3826 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3827 determine the size of Wtype, etc.
3828 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3829 (swfloatfuncs): New variable.
3830 (dwfloatfuncs): Likewise.
3831 (lib2funcs): Remove floating-point conversion functions from
3832 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3833 the set of conversion routines needed. Allow entries to specify
3834 an object name, filename and word size. Update users accordingly.
3835 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3836 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3838 Revert:
3840 2006-02-08 Roger Sayle <roger@eyesopen.com>
3842 PR target/22209
3843 * config/fixtfdi.c: New libgcc source file.
3844 * config/fixunstfdi.c: New source file.
3845 * config/floatditf.c: New source file.
3846 * config/floatunditf.c: New souce file.
3847 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3848 files above instead of config/mips/_tilib.c.
3849 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3851 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3853 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3854 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3856 2006-05-18 Mike Stump <mrs@apple.com>
3858 Fix up vla, vm and [*] sematics.
3860 PR c/18740
3861 PR c/7948
3862 PR c/25802
3863 PR c/27673
3864 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3865 (c_vla_unspec_p): Add.
3866 (c_vla_type_p): Add.
3867 * c-decl.c (struct c_scope): Add had_vla_unspec.
3868 (build_array_declarator): Add support for [*].
3869 (grokdeclarator): Likewise.
3870 (grokparms): Likewise.
3871 (get_parm_info): Likewise.
3872 * c-objc-common.c (c_vla_unspec_p): Likewise.
3873 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3874 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3875 typeof when argument is a variably modified type not inside sizeof or alignof.
3876 (c_parser_direct_declarator_inner): Propagate errors.
3877 (c_parser_sizeof_expression): Add support for [*].
3878 (c_parser_parms_declarator): Initialize had_vla_unspec.
3879 (c_parser_parms_list_declarator): Likewise.
3880 * c-typeck.c (c_vla_type_p): Add.
3881 (composite_type): Add support for vla compositing.
3882 (comptypes_internal): Add support for vla compatibility.
3883 (c_expr_sizeof_expr): Evaluate vla arguments.
3884 * tree.c (variably_modified_type_p): Update comment for [*].
3886 2006-05-18 Michael Matz <matz@suse.de>
3888 PR target/27599
3889 * config.host: Make assignments to host_xmake_file cumulative.
3890 * config.host (*-darwin*): Test $host, not $target.
3892 2006-05-12 Stuart Hastings <stuart@apple.com>
3894 * config/i386/i386.opt (-mstackrealign): New flag.
3895 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3896 (ix86_handle_cconv_attribute): Emit error when
3897 force_align_arg_pointer attribute collides with too many regparms.
3898 (ix86_function_regparm): Limit regparms when used with
3899 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3900 Support stack-realigning prologue in non-main functions. Emit
3901 warning for nested functions under -mstackrealign, emit error for
3902 nested functions with force_align_arg_pointer attribute.
3903 * doc/extend.texi (force_align_arg_pointer): Document it.
3904 * doc/invoke.texi (-mstackrealign): Document it.
3906 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3908 PR rtl-optimization/27477
3909 * combine.c (try_combine): Don't split a parallel consisting
3910 of two sets into two individual sets if both sets reference
3911 cc0.
3913 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3915 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3916 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3918 * doc/options.texi (VarExists): Updated.
3920 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3922 * unwind-dw2.c: Add declarations for uw_update_context and
3923 uw_frame_state_for.
3924 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3925 detected, advance frame state and context once to skip over stub.
3927 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3929 PR middle-end/20256
3930 PR middle-end/26435
3931 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3932 Call rewrite_into_loop_closed_ssa only when something changed.
3933 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3934 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3935 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3936 Test for perfect_nest_p here. Fix formating.
3937 (replace_uses_equiv_to_x_with_y): Fix formating.
3938 (stmt_uses_op): Removed.
3939 (can_convert_to_perfect_nest): Removed loopivs parameter.
3940 Complete the test by checking the scalar dependences.
3941 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3942 Fix formating.
3944 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3946 PR bootstrap/22541
3947 From Dan Kegel <dank@kegel.com>:
3948 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3950 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3952 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3953 if the element type is variably modified without recursing.
3955 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3957 PR middle-end/27332
3958 * tree-loop-linear.c (try_interchange_loops): Test for
3959 no data dependences.
3961 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3963 PR tree-optimization/27548
3964 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3965 range of ssa names that appear on abnormal edges.
3966 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3967 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3969 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3971 PR middle-end/27620
3972 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3974 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3976 PR middle-end/27415
3977 * tree.h (OMP_PARALLEL_COMBINED): Define.
3978 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3979 (new_omp_context): Add is_combined_parallel argument.
3980 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3981 new_omp_context caller.
3982 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3983 Adjust gimplify_scan_omp_clauses callers.
3984 (omp_is_private): Issue errors if iteration variable is firstprivate
3985 or reduction in the current context.
3986 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3987 on combined parallel workshare constructs.
3989 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3991 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3992 (gcc-options.o): New rule.
3994 * optc-gen.awk: Protect variables for gcc-options.o with
3995 #ifdef GCC_DRIVER/#endif.
3997 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3999 Fix PR tree-optimization/27373
4000 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4001 (forward_propagate_addr_expr): Update call.
4003 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4005 * doc/options.texi: Move the Negative option.
4007 2006-05-16 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/22303
4010 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4011 from STRING_CSTs.
4012 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4013 ccp_fold did not simplify the statement.
4015 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4017 PR driver/26885
4018 * Makefile.in (GCC_OBJS): New.
4019 (OBJS-common): Add opts-common.o.
4020 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4021 (cpp$(exeext)): Likewise.
4022 (gcc.o): Also depend on opts.h.
4023 (opts-common.o): New.
4025 * common.opt (gcoff): Add Negative(gdwarf-2).
4026 (gdwarf-2): Add Negative(gstabs).
4027 (gstabs): Add Negative(gstabs+).
4028 (gstabs+): Add Negative(gvms).
4029 (gvms): Add Negative(gxcoff).
4030 (gxcoff): Add Negative(gxcoff+).
4031 (gxcoff+): Add Negative(gcoff).
4032 * config/i386/i386.opt (m32): Add Negative(m64).
4033 (m64): Add Negative(m32).
4035 * doc/options.texi: Document the Negative option.
4037 * gcc.c: Include "opts.h".
4038 (main): Call prune_options after expandargv.
4040 * optc-gen.awk: Generate common declarations for all flag
4041 variables in options.c. Output the neg_index field.
4043 * opts.c (find_opt): Moved to ...
4044 * opts-common.c: Here. New file.
4046 * opts.h (cl_option): Add a neg_index field.
4047 (find_opt): New.
4048 (prune_options): Likewise.
4050 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4052 PR middle-end/27573
4053 * omp-low.c (expand_omp_parallel): Don't assert
4054 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4055 instead search for it.
4057 PR c/27499
4058 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4059 is signed.
4061 2006-05-16 Andreas Schwab <schwab@suse.de>
4063 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4064 defmac.
4066 2006-05-15 Roger Sayle <roger@eyesopen.com>
4068 PR target/26600
4069 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4070 integer constants other than zero are only legitimate on TARGET_64BIT.
4071 <CONST_VECTOR> Only zero vectors are legitimate.
4072 (ix86_cannot_force_const_mem): Integral and vector constants can
4073 always be put in the constant pool.
4075 2006-05-16 DJ Delorie <dj@redhat.com>
4077 * crtstuff.c (__dso_handle): Set section from
4078 TARGET_LBIGCC_SDATA_SECTION if defined.
4079 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4080 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4082 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4084 PR target/27599
4085 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4086 host_xmake_file.
4088 2006-05-16 Ben Elliston <bje@au.ibm.com>
4090 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4092 2006-05-15 Per Bothner <per@bothner.com>
4094 * tree.c: (last_annotated_node): Use source_locus typedef.
4095 This permits bootstrapping with --enable-mapped-location.
4097 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4099 PR tree-optimization/26830
4100 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4101 (info_for_ssa_name, current_info_for_ssa_name_age,
4102 blocks_to_update): New variables.
4103 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4104 (clear_ssa_name_info, initialize_flags_in_bb,
4105 mark_block_for_update): New functions.
4106 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4107 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4108 prepare_def_site_for): Use mark_block_for_update.
4109 (mark_def_interesting): Assert that the processed block is marked in
4110 blocks_to_update. Do not take blocks argument.
4111 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4112 argument.
4113 (rewrite_update_init_block, rewrite_update_stmt): Only process
4114 blocks with statements to rewrite.
4115 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4116 (update_ssa): Initialize and free blocks_to_update. Do not
4117 clear flags on statements. Do not use blocks bitmap.
4118 * tree.h (SSA_NAME_AUX): Removed.
4119 (struct tree_ssa_name): Removed aux field.
4120 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4122 2006-05-15 Richard Guenther <rguenther@suse.de>
4124 PR tree-optimization/27603
4125 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4126 Do computations in original type.
4128 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4130 * see.c: Code style changes such as redundant paranthesis,
4131 redundant intialization of local variables etc.
4132 (see_main): Declared now as static.
4133 * doc/invoke.texi: Update that -fsee is not enabled by
4134 default at -O3.
4136 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4138 * omp-low.c (check_omp_nesting_restrictions): New function.
4139 (scan_omp_1): Call it.
4141 PR middle-end/27416
4142 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4143 construct, return *VAR.
4145 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4147 PR rtl-optimization/27406
4148 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4149 edges.
4151 2006-05-14 Roger Sayle <roger@eyesopen.com>
4153 PR rtl-optimization/27538
4154 * combine.c (expand_compound_operation): Call gen_lowpart
4155 before calling simplify_shift_const.
4157 2006-05-14 Roger Sayle <roger@eyesopen.com>
4159 PR rtl-optimization/22563
4160 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4161 a fixed width bitfield, always force the intermediates into psuedos.
4163 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4165 PR 27501
4166 * mkconfig.sh: Use operator = instead of == for test.
4168 2006-05-13 Nick Clifton <nickc@redhat.com>
4170 * dwarf2out.c (dbx_reg_number): Check return value from
4171 LEAF_REG_REMAP and only use it if it is valid.
4172 (multiple_reg_loc_descriptor): Likewise.
4174 2006-05-13 Richard Guenther <rguenther@suse.de>
4176 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4177 host_xmake_file.
4179 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4181 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4182 information attached to non-INSNs such as NOTEs.
4183 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4185 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4187 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4188 On contraint.
4189 * config/s390/s390.md: Adjust comment describing On constraint.
4191 2006-05-11 Jan Hubicka <jh@suse.cz>
4193 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4194 to be output at -O0.
4196 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4198 PR middle-end/27384
4199 * fold-const.c (size_binop): Move sanity check for arguments to
4200 the beginning of the function.
4202 PR middle-end/27488
4203 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4204 expression.
4206 2006-05-11 Richard Guenther <rguenther@suse.de>
4208 PR middle-end/27529
4209 * fold-const.c (fold_unary): Handle intermediate conversion
4210 to a pointer type like intermediate conversion to an integer
4211 type in folding of (T1)(T2)var to var.
4212 Match the code to the comment in the final conversion for
4213 (T1)(T2)var to (T1)var regarding to type precision. Rather
4214 than disallow T1 being of pointer type, assert that both T1
4215 and var are of pointer type or not. Make sure not to fall
4216 over the frontends lazyness wrt array to pointer decay though.
4218 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4220 * arm.c (arm_struct_value_rtx): Delete.
4221 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4222 (arm_init_cumulative_args): Always initialize nregs to zero.
4224 2006-05-10 Richard Guenther <rguenther@suse.de>
4226 PR tree-optimization/27532
4227 * tree-object-size.c (plus_expr_object_size): Fix typo.
4229 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4231 PR target/24949
4232 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4233 ashrdi_const, ashrdi3): Use a scratch register.
4235 2006-05-10 Richard Guenther <rguenther@suse.de>
4237 PR tree-optimization/27302
4238 * fold-const.c (operand_equal_p): For two comparisons,
4239 try comparison of one comparison code swapped if that yields
4240 the same code.
4242 2006-05-10 Ben Elliston <bje@au.ibm.com>
4244 * tree-pretty-print.c (pretty_print_string): No need to handle
4245 '\0' as a special character.
4247 * tree.h: Include "hashtab.h".
4248 (iterative_hash_expr): Use hashval_t in its prototype.
4249 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4251 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4253 PR bootstrap/26872
4254 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4255 (hppa*64*-*-hpux11*): Ditto.
4256 (hppa[12]*-*-hpux11*): Ditto.
4258 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4260 PR target/26545
4261 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4263 2006-05-09 Michael Matz <matz@suse.de>
4265 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4266 host_extra_gcc_objs and host_xmake_file.
4267 (<*-*-linux*>): Don't overwrite host_xmake_file.
4268 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4269 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4270 (host_detect_local_cpu): Declare.
4271 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4272 * config/i386/i386.c (override_options): Handle -mtune=native
4273 as -mtune=generic.
4274 * config/i386/x-i386: New file.
4275 * config/i386/driver-i386.c: New file.
4276 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4277 cpu-type "native".
4279 2006-05-09 Dirk Mueller <dmueller@suse.de>
4280 Richard Guenther <rguenther@suse.de>
4282 PR middle-end/27498
4283 * fold-const.c (fold_read_from_constant_string): Relax check
4284 for matching types to matching modes.
4286 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4288 PR rtl-optimization/27335
4289 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4290 loops.
4292 2006-05-08 Chao-ying Fu <fu@mips.com>
4293 Richard Sandiford <richard@codesourcery.com>
4295 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4296 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4297 * config/mips/mips.md (UNSPEC_SCC): New constant.
4298 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4299 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4300 (mips_emit_compare): Use it.
4301 (mips_expand_vcondv2sf): New function.
4303 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4305 Fix PR tree-optimization/27093
4306 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4307 renaming when they become not-used_alone.
4309 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4311 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4312 relocation and relocation stubs.
4314 2006-05-08 Eric Christopher <echristo@apple.com>
4316 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4317 section for ppc.
4319 2006-05-08 Jan Hubicka <jh@suse.cz>
4321 PR middle-end/24561
4322 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4323 unused static functions are needed.
4325 2006-05-08 Roger Sayle <roger@eyesopen.com>
4327 PR target/27158
4328 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4329 of a reg_equiv_constant if the result is a legitimate constant.
4331 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4333 PR target/27277
4334 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4335 standard 80387 constants, raise the cost to prevent
4336 compress_float_constant() to generate load from memory.
4338 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4340 * config/arm/constraints.md (c): Fix a typo.
4342 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4343 typos.
4345 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4347 PR target/24879
4348 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4349 inline function.
4350 (_mm_mwait): Likewise.
4352 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4353 "mwait".
4354 (sse3_monitor): Make it 32bit only.
4355 (sse3_monitor64): New. 64bit monitor.
4357 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4359 PR target/27421
4360 * config/i386/i386.c (classify_argument): Skip fields with invalid
4361 types.
4363 2006-05-07 Richard Guenther <rguenther@suse.de>
4365 PR tree-optimization/27409
4366 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4367 Do not try to find zero-sized subvars.
4369 2006-05-07 Richard Guenther <rguenther@suse.de>
4371 PR tree-optimization/27136
4372 * tree-ssa-loop-niter.c (get_val_for): Correct function
4373 comment, assert requirements.
4374 (loop_niter_by_eval): Stop processing if the iterated
4375 value did not simplify.
4377 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4379 * opts.c (flag_see): remove its setting at -O3.
4381 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4383 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4384 * arm/constraints.md: New file.
4385 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4386 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4387 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4388 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4389 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4390 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4391 * arm.md: Include constraints.md.
4392 (thumb_movsi_insn): Use satisfies_constraint_J.
4393 (movhi, movqi): Use satisfies_constraint_I.
4395 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4397 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4398 for atmeg a645 device.
4400 2006-05-06 Richard Guenther <rguenther@suse.de>
4402 PR tree-optimization/27151
4403 * tree-vect-transform.c (vectorizable_condition): Punt on
4404 values that have a different type than the condition.
4406 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4408 PR/21391
4409 * c-parser.c (c_parser_cast_expression): Only insert casts into
4410 hash table if pointer.
4411 * function.c (used_types_insert_helper): Rename from
4412 used_types_insert.
4413 (used_types_insert): Call used_types_insert_helper.
4414 * function.h (used_types_insert): Accept only one argument.
4416 2006-05-05 David Edelsohn <edesohn@gnu.org>
4418 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4419 scratch with output modifier.
4421 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4423 PR target/26481
4424 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4425 with output modifier.
4427 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4429 PR target/26765
4430 * config/mips/mips.c (mips_symbolic_address_p): Return true
4431 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4432 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4434 2006-05-04 Richard Guenther <rguenther@suse.de>
4436 PR tree-optimization/14287
4437 PR tree-optimization/14844
4438 PR tree-optimization/19792
4439 PR tree-optimization/21608
4440 PR tree-optimization/27090
4441 * tree-ssa-pre.c (try_combine_conversion): New function.
4442 (compute_avail): After constructing the value-handle
4443 expression, use try_combine_conversion to combine NOP_EXPRs
4444 with previous value-handle expressions and use the result if it
4445 is available.
4447 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4449 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4451 2006-05-04 Jan Hubicka <jh@suse.cz>
4453 PR middle-end/25962
4454 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4456 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4458 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4459 that this only matches CONST_INTs. All users changed to VOIDmode
4460 operands.
4462 * config/bfin/bfin.c: Include "optabs.h".
4463 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4464 to do more work.
4465 (enum bfin_builtins): Add a number of fractional and vector builtins.
4466 (bfin_init_builtins): Likewise.
4467 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4468 (safe_vector_operand, bfin_expand_binop_builtin,
4469 bfin_expand_unop_builtin): New functions.
4470 (bfin_expand_builtin): Handle the new builtins.
4471 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4472 __ADSPBLACKFIN__.
4474 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4476 * see.c: New file.
4477 * Makefile.in (OBJS-common): Add see.o.
4478 (see.o): Add dependencies.
4479 * common.opt (fsee): New flag for the see optimization was added.
4480 * opts.c (flag_see): Initialized.
4481 * passes.c (init_optimization_passes, pass_see): New pass.
4482 * rtl.h (see_main): Declaration as extern.
4483 * timevar.def (TV_SEE): New.
4484 * tree-pass.h (pass_see): Declaration as extern.
4485 * invoke.texi (-fsee): Document.
4486 * recog.c (validate_simplify_insn): New function.
4487 * recog.h (validate_simplify_insn): Declaration as extern.
4488 * df-problems.c (df_chain_dump): Check for NULL.
4490 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4491 Daniel Berlin <dberlin@dberlin.org>
4493 * cfgrtl.c (insert_insn_bb_end_new): New function.
4494 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4496 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4498 * df.h (struct web_entry): Moved from web.c.
4499 (union_defs): Declaration as extern.
4500 (unionfind_root): Likewise.
4501 (unionfind_union): Likewise.
4502 * web.c (struct web_entry): Moved to df.h.
4503 (unionfind_root): Remove static declaration.
4504 (unionfind_union): Likewise.
4505 (union_defs): Likewise and generalize to use callback function.
4506 (web_main): Update arguments for union_defs function call.
4508 2006-05-04 Richard Guenther <rguenther@suse.de>
4510 PR tree-optimization/26447
4511 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4512 produce SSA_NAME copies before the store stmt to avoid
4513 breaking exception handling.
4515 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4517 PR middle-end/27388
4518 * gimplify.c (omp_is_private): If var is shared in some outer context,
4519 return false instead of true. Stop searching on parallel context
4520 boundary.
4522 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4524 PR java/8260
4525 * coverage.c: Use get_gcov_unsigned_t() instead of
4526 unsigned_type_node all over.
4528 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4530 PR tree-optimization/27381
4531 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4532 maintain the same immediate_use links.
4533 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4534 node rather than segfaulting.
4536 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4538 PR fortran/27395
4539 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4540 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4541 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4543 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4545 Fix PR tree-optimization/26626
4546 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4547 always.
4548 * tree-ssa-operands.c (access_can_touch_variable): Allow
4549 typecasting through union pointers.
4551 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4553 PR c++/26943
4554 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4555 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4556 to find if var will be a global variable even in the nested context.
4557 (omp_copy_decl): Only check for global variable at the end, it might
4558 be overridden in outer contexts.
4559 (scan_sharing_clauses): For global variables don't create a field.
4560 (lower_rec_input_clauses): Do nothing for global shared variables.
4561 Emit a barrier at the end of ILIST if there were any decls in both
4562 firstprivate and lastprivate clauses.
4563 (lower_send_clauses): Do nothing for global variables except for
4564 COPYIN.
4566 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4568 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4569 of the correct signedness is returned.
4571 2006-05-02 Jeff Law <law@redhat.com>
4573 PR tree-optimization/27364
4574 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4575 multiply expressions.
4577 2006-05-02 Tom Tromey <tromey@redhat.com>
4579 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4581 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4583 PR target/27387
4584 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4585 -mthumb -fPIC are used.
4587 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4588 Joshua Kinard <kumba@gentoo.org>
4590 PR target/25871
4591 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4592 with 64-bit pointers.
4594 2006-05-02 Paul Brook <paul@codesourcery.com>
4596 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4597 and pool overlap.
4598 (create_fix_barrier): Check that a suitable barrier location is
4599 found.
4600 (arm_reorg): Include ftmp->address in allowable range of addresses.
4602 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4604 PR ada/27366
4605 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4606 on Cygwin.
4608 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4610 PR middle-end/27337
4611 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4612 around RESULT_DECL for result passed by reference.
4613 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4614 * omp-low.c (use_pointer_for_field): Don't look at
4615 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4616 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4617 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4618 time or var for passing by reference for
4619 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4620 TREE_ADDRESSABLE variables when passing by reference.
4622 * omp-low.c (dump_omp_region): Fix output formatting.
4624 PR middle-end/27328
4625 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4626 (expand_omp_parallel): Likewise.
4627 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4629 PR middle-end/27325
4630 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4631 on statement list containing also constructors and destructors.
4632 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4634 PR middle-end/27310
4635 * except.c (duplicate_eh_regions): Fix clearing of
4636 cfun->eh->region_array entries.
4638 2006-05-01 DJ Delorie <dj@redhat.com>
4640 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4641 build!=host.
4642 (gcc_cv_objdump): Likewise.
4643 * configure: Regenerated.
4645 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4647 PR target/27374
4648 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4649 templates for case 3 and 4.
4651 2006-05-01 DJ Delorie <dj@redhat.com>
4653 * vec.c: Include bconfig.h when appropriate.
4654 * Makefile.in (build/vec.o): Adjust dependencies.
4655 * mkconfig.sh: Make sure config.h isn't used for build machine
4656 compiles.
4658 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4660 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4661 variables.
4662 (mark_phi_for_rewrite): New function.
4663 (insert_phi_nodes_for, mark_use_interesting): Call
4664 mark_phi_for_rewrite.
4665 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4666 (update_ssa): Initialize and free phis_to_rewrite.
4668 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4670 PR rtl-optimization/27291
4671 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4672 folded to a constant.
4674 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4676 PR tree-optimization/27283
4677 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4678 not whole # of iteration descriptions.
4679 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4680 uses abnormal ssa name.
4681 (niter_for_single_dom_exit): Ditto.
4682 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4683 return just the number of iterations.
4685 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4687 PR tree-optimization/27144
4688 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4689 (record_estimate): Only record constant upper bound.
4690 (infer_loop_bounds_from_undefined): Call
4691 compute_estimated_nb_iterations just once.
4692 (proved_non_wrapping_p): Renamed to ...
4693 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4694 (convert_step_widening, scev_probably_wraps_p): Call
4695 n_of_executions_at_most instead of proved_non_wrapping_p.
4696 (substitute_in_loop_info): Do not replace values in bounds.
4697 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4698 comments.
4700 2006-05-01 Richard Henderson <rth@redhat.com>
4702 PR c/27358
4703 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4704 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4705 CPP_PRAGMA.
4707 2006-05-01 Roger Sayle <roger@eyesopen.com>
4709 * c-typeck.c (parser_build_binary_op): Don't call the function
4710 unsigned_conversion_warning to spot operand/result type overflow.
4711 (build_binary_op): Instead, call convert_and_check instead of
4712 convert to report the problem when the operands are promoted.
4713 * c-common.c (unsigned_conversion_warning): Make static.
4714 * c-common.h (unsigned_conversion_warning): Delete prototype.
4716 2006-05-01 Richard Guenther <rguenther@suse.de>
4718 PR tree-optimization/26726
4719 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4720 problem ...
4721 (find_interesting_uses_address): ... we work around here
4722 by folding INDIRECT_REFs in the substituted base.
4724 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4726 * omp-low.c (dump_omp_region): Add newlines.
4728 2006-04-30 Roger Sayle <roger@eyesopen.com>
4730 * common.opt (Woverflow): New command line option.
4731 * c-common.c (constant_expression_warning): Check warn_overflow.
4732 (overflow_waring): Pass OPT_Woverflow to warning.
4733 (unsigned_conversion_warning): Likewise.
4734 (convert_and_check): Likewise.
4735 * doc/invoke.texi: Document new command line option.
4737 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4739 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4740 TARGET_NO_FP_IN_TOC for section anchors.
4741 (optimization_options): Enable section anchors for all
4742 non-"Objective" languages.
4744 2006-04-28 Eric Christopher <echristo@apple.com>
4746 * config/darwin-c.c (darwin_ms_struct): Move this
4747 (darwin_set_default_type_attributes): and this...
4748 * config/darwin.c: ... here.
4749 * config/darwin.h (darwin_ms_struct): Declare.
4751 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4753 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4755 2006-04-28 Roger Sayle <roger@eyesopen.com>
4757 PR c/25309
4758 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4759 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4760 an unsigned HOST_WIDE_INT.
4761 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4762 array index.
4763 (really_start_incremental_init): No need to call convert because
4764 bitsize_zero_node is already of type bitsizetype.
4765 (push_init_level): Extract the value of constructor_index as an
4766 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4767 (process_init_element): Likewise.
4769 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4771 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4772 value before passing to make_relative_prefix.
4774 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4776 PR middle-end/27260
4777 * builtins.c (expand_builtin_memset): Expand val in original mode.
4779 2006-04-27 Eric Christopher <echristo@apple.com>
4781 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4782 with #ifndef/#endif.
4783 * config/darwin-c.c (darwin_ms_struct): New.
4784 (darwin_pragma_ms_struct): Ditto.
4785 (darwin_set_default_type_attributes): Ditto.
4786 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4787 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4788 Register ms_struct pragma.
4789 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4790 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4791 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4792 darwin_set_default_type_attributes if TARGET_MACHO.
4794 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4796 PR tree-optimization/26854
4797 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4798 * doc/tree-ssa.texi: Update immuse iterator documentation.
4799 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4800 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4801 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4802 first_safe_imm_use, next_safe_imm_use): Remove.
4803 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4804 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4805 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4806 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4807 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4808 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4809 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4810 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4811 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4812 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4813 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4814 (perfect_nestify): Use new iterator.
4815 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4816 iterator.
4817 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4818 (next_imm_name): New field in struct immediate_use_iterator_d.
4819 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4820 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4821 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4822 * tree-cfg.c (replace_uses_by): Use new iterator.
4823 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4824 * tree-ssa-operands.c (correct_use_link): Remove.
4825 (finalize_ssa_use_ops): No longer call correct_use_link.
4827 2006-04-27 Stuart Hastings <stuart@apple.com>
4829 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4830 * config/t-darwin (crt3.o): Use it.
4831 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4832 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4833 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4834 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4835 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4836 support.
4838 2006-04-27 Roger Sayle <roger@eyesopen.com>
4840 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4841 size, force the intermediate into a new pseudo rather instead of
4842 performing both a bitwise AND and a bitwise IOR in memory.
4844 2006-04-27 Richard Guenther <rguenther@suse.de>
4846 PR rtl-optimization/26685
4847 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4848 this one "max-flow-memory-locations".
4850 2006-04-27 Richard Guenther <rguenther@suse.de>
4852 PR tree-optimization/25148
4853 * tree-vrp.c (compare_values): Remove code dealing with
4854 comparisons against type min/max value. Honour overflow
4855 and negative constants in code dealing with comparisons
4856 of plus and minus expressions.
4857 (value_inside_range): Use fold_binary with LE_EXPR and
4858 GE_EXPR rather than compare_values.
4860 2006-04-27 Dirk Mueller <dmueller@suse.de>
4862 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4863 prototype for SSE.
4865 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4867 * basic-block.h (safe_insert_insn_on_edge): Removed.
4868 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4870 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4871 Paolo Bonzini <bonzini@gnu.org>
4873 PR middle-end/27282
4874 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4875 (simplify_and_const_int): Same.
4877 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4879 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4881 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4883 PR c/26171
4884 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4885 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4886 cgraph_global_info_ready.
4888 PR middle-end/26913
4889 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4891 PR c/25996
4892 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4893 either decl or init is error_mark_node.
4895 PR middle-end/25989
4896 * tree-flow.h (struct omp_region): Add sched_kind.
4897 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4898 instead of extracting omp for data.
4899 (expand_omp_for): Save extracted sched_kind.
4901 2006-04-25 Roger Sayle <roger@eyesopen.com>
4903 * expmed.c (store_bit_field): Also check whether the bitsize is
4904 valid for the machine's "insv" instruction before moving the
4905 target into a pseudo for use with the insv.
4906 * config/i386/predicates.md (const8_operand): New predicate.
4907 * config/i386/i386.md (extv, extzv, insv): Use the new
4908 const8_operand predicate where appropriate.
4910 2006-04-25 DJ Delorie <dj@redhat.com>
4912 * doc/install.texi (Specific): Clarify that this is not a list of
4913 supported hosts or targets.
4915 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4917 PR rtl-optimization/26725
4918 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4919 block's BB_DIRTY flag.
4921 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4923 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4924 are no branches.
4926 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4927 to print an integer.
4929 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4931 * varasm.c (align_variable): New function.
4932 (get_block_for_decl): Apply align_variable to DECL before
4933 calculating section information.
4934 (assemble_variable): Split out alignment computation.
4936 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4938 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4939 machines.
4941 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4943 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4944 MODE_PARTIAL_INT mode.
4945 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4946 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4947 for CONST_INTs.
4948 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4949 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4950 V2PDImode.
4951 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4952 New predicates.
4953 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4954 New constants.
4955 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4956 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4957 MACFLAG_IH): Likewise.
4958 (movstricthi_1): Renamed from "*movstricthi".
4959 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4960 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4961 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4962 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4963 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4964 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4965 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4966 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4967 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4968 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4969 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4970 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4971 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4972 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4973 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4975 * doc/rtl.texi (ss_ashift): Improve wording.
4977 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4979 * dwarf2out.c (verify_marks_clear): New.
4980 (prune_unused_types): Call verify_marks_clear initially, not
4981 prune_unmark_dies.
4983 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4985 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4986 * doc/rtl.texi: Document them.
4987 * simplify-rtx.c (simplify_unary_operation,
4988 simplify_binary_operation_1): Don't abort when we see them.
4990 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4992 Revert:
4993 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4994 * configure.ac: Completely disregard languages that are not
4995 enabled.
4996 * configure: Regenerated.
4998 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4999 Richard Guenther <rguenther@suse.de>
5001 PR tree-optimization/27236
5002 * tree-inline.c (copy_body_r): Make sure to copy
5003 TREE_THIS_VOLATILE flag.
5005 2006-04-24 Richard Guenther <rguenther@suse.de>
5007 PR middle-end/26869
5008 * tree-complex.c (update_parameter_components): Don't handle
5009 unused parameters which have no default def.
5011 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5012 Richard Guenther <rguenther@suse.de>
5014 PR tree-optimization/27218
5015 * tree-inline.c (expand_call_inline): Strip useless type
5016 conversions for the return slot address.
5018 2006-04-24 Richard Guenther <rguenther@suse.de>
5020 * cfgloop.h (struct loops): Remove unused field array. Reorder
5021 state after num.
5022 (LOOP_PREFETCH): Remove.
5024 2006-04-24 Richard Guenther <rguenther@suse.de>
5026 PR tree-optimization/22525
5027 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5028 variable, adjust types of generated expressions.
5030 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5032 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5033 (tree-vect-patterns.o): Likewise.
5034 (jump.o): Likewise.
5035 (cselib.o): Likewise.
5036 (loop-doloop.o): Likewise.
5037 (regclass.o): Likewise.
5038 (reload1.o): Likewise.
5039 (explow.o): Replace target.h with $(TARGET_H).
5040 (ipa-prop.o): Likewise.
5041 (ipa-cp.o): Likewise.
5042 (ipa-inline.o): Likewise.
5043 (reorg.o): Likewise.
5044 (reg-stack.o): Likewise.
5046 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5048 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5050 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5052 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5054 * configure.ac: Completely disregard languages that are not
5055 enabled.
5056 * configure: Regenerated.
5058 PR c++/26534
5059 * c-common.h (c_build_bitfield_integer_type): Declare.
5060 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5061 * c-common.c (c_build_bitfield_integer_type): ... here.
5063 2006-04-23 Roger Sayle <roger@eyesopen.com>
5065 PR target/21283
5066 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5067 a SImode SUBREG of a floating point register after no_new_pseudos.
5069 2006-04-23 Roger Sayle <roger@eyesopen.com>
5071 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5072 identify potentially eliminable registers to additionally catch
5073 VIRTUAL_INCOMING_ARGS_REGNUM.
5074 (addsi3): Update the conditions on when to use addsi_small_int.
5076 2006-04-23 Roger Sayle <roger@eyesopen.com>
5078 PR target/16641
5079 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5080 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5081 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5083 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5085 * fold-const.c (range_predecessor): Use operand_equal_p
5086 as the predicate for equality.
5087 (range_successor): Likewise.
5089 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5091 Revert:
5092 * config/soft-fp/op-common.h: Fix a typo.
5094 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5096 PR libmudflap/26864
5097 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5098 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5100 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5102 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5103 Fix comment typos.
5104 * doc/tm.texi: Fix a typo.
5106 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5108 * dwarf2out.c (struct die_struct): Document that die_sib makes
5109 a circular linked list.
5110 (FOR_EACH_CHILD): New.
5111 (reverse_die_lists): Delete.
5112 (reverse_all_dies): Delete.
5113 (add_dwarf_attr): Correct documentation.
5114 (remove_child_with_prev): New.
5115 (remove_child_TAG): Update for change to die_struct, use
5116 remove_child_with_prev.
5117 (add_child_die): Update for change to die_struct.
5118 (splice_child_die): Use remove_child_with_prev and add_child_die.
5119 (print_die): Use FOR_EACH_CHILD.
5120 (die_checksum): Likewise.
5121 (assign_symbol_names): Likewise.
5122 (output_location_lists): Likewise.
5123 (build_abbrev_table): Likewise.
5124 (calc_die_sizes): Likewise.
5125 (mark_dies): Likewise.
5126 (unmark_dies): Likewise.
5127 (unmark_all_dies): Likewise.
5128 (output_die): Likewise.
5129 (prune_unused_types_mark): Likewise.
5130 (prune_unused_types_walk): Likewise.
5131 (same_die_p): Update for change to die_struct.
5132 (break_out_includes): Likewise.
5133 (prune_unused_types_prune): Likewise.
5134 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5135 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5136 it's already clear.
5137 (dwarf2out_finish): Don't call reverse_all_dies.
5139 2006-04-21 Eric Christopher <echristo@apple.com>
5141 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5142 in comments and function names.
5144 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5146 PR c/25875
5147 * c-typeck.c (digest_init): Robustify.
5149 * c-typeck.c (pop_init_level): Simplify.
5151 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5153 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5155 2006-04-21 Paul Brook <paul@codesourcery.com>
5157 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5158 hardware floating point.
5160 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5162 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5163 NON_FLOAT_REGS.
5165 2006-04-21 Nick Clifton <nickc@redhat.com>
5167 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5168 OPT_EXTRA_PARTS.
5170 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5172 PR target/27230
5173 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5174 C++ lang type in traceback table for Objective-C++.
5176 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5178 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5180 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5182 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5184 PR mudflap/26789
5185 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5186 were errors. Remove check for erroneous objects.
5188 2006-04-20 Jeff Law <law@redhat.com>
5190 PR tree-optimization/26854
5191 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5192 checking for zero or one use.
5193 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5194 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5195 * tree-ssa-reassoc.c (negate_value): Similarly.
5196 (reassociate_bb): Similarly.
5198 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5200 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5201 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5202 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5204 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5206 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5207 fp regs if the last fp arg doesn't fit in regs.
5209 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5211 PR target/27182
5212 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5213 that the last insn has the REG_INC note.
5215 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5216 Nathan Sidwell <nathan@codesourcery.com>
5218 PR c/26774
5219 * stor-layout.c (update_alignment_for_field): Do not align
5220 ERROR_MARK nodes.
5221 (place_union_field): Place union field at the start of the union.
5222 (place_field): Move ERROR_MARK check later, and use the current
5223 allocation position to maintain monotonicity.
5225 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5227 * dominance.c: Include timevar.h.
5228 (calculate_dominance_info): Use TV_DOMINANCE.
5229 * timevar.def (TV_DOMINANCE): New timevar.
5230 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5232 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5234 PR rtl-optimization/14261
5235 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5236 move would be an INSV insn.
5237 (noce_process_if_block): Don't optimize if the destination is a
5238 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5240 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5242 * config/s390/s390.md: Add comments with the instructions emitted
5243 by an insn pattern if macros are used.
5245 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5247 PR rtl-optimization/26026
5248 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5249 is a known power of two shifted left a variable amount.
5251 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5253 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5254 to hash table twice when the debug_str section has SECTION_MERGE.
5256 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5258 * config/soft-fp: New directory. From glibc.
5259 * config/soft-fp/t-softfp: New.
5260 * config/soft-fp/README: New.
5261 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5262 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5263 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5264 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5265 * config.gcc: Use rs6000/t-fprules-fpbit or
5266 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5267 rs6000/t-fprules.
5268 * config/rs6000/sfp-machine.h: New. Based on glibc.
5269 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5270 New.
5271 * config/rs6000/t-fprules: Remove fp-bit rules.
5272 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5273 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5274 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5275 (softfp_wrap_start, softfp_wrap_end): New.
5277 2006-04-18 DJ Delorie <dj@redhat.com>
5279 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5281 2006-04-18 Devang Patel <dpatel@apple.com>
5283 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5285 2006-04-18 Nick Clifton <nickc@redhat.com>
5287 * config/sh/t-symbian: Add rule to build sh-c.o
5288 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5289 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5290 (sh_symbian_encode_section_info): Likewise.
5292 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5294 * builtins.c (expand_builtin_strcmp): Cover label definition of
5295 do_libcall with HAVE_cmpstrnsi.
5297 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5299 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5300 instead of VARRAY.
5301 * function.h (temp_slot_p): New.
5302 (function): Change the type of x_used_temp_slots to
5303 VEC(temp_slot_p,gc) *.
5305 2006-04-18 Nick Clifton <nickc@redhat.com>
5307 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5308 flag_strength_reduce.
5310 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5312 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5314 PR target/27117
5316 Partial revert of revision 112637
5317 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5318 Dale Johannesen <dalej@apple.com>
5320 PR target/19653
5321 * regclass.c (struct reg_pref): Update documentation.
5322 (regclass): Set prefclass to NO_REGS if memory is the best option.
5323 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5325 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5327 PR tree-optimization/26821
5328 * tree-ssa-math-opts.c (get_constant_one): New.
5329 (insert_reciprocals): Use it.
5331 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5333 * dwarf2out.c (free_AT): Delete.
5334 (remove_AT): Update string ref counts.
5335 (remove_child_TAG): Don't call free_die.
5336 (free_die): Delete.
5337 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5338 or DW_TAG_GNU_EINCL.
5339 (prune_unused_types_walk_attribs): Reset string refcounts.
5340 (prune_unused_types_update_strings): New.
5341 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5342 call free_die. Do call prune_unused_types_update_strings.
5343 (prune_unused_types): Empty debug_str_hash.
5345 2006-04-17 Roger Sayle <roger@eyesopen.com>
5347 * expr.c (expand_assignment): Optimize away no-op moves where the
5348 source and destination are equal and have no side-effects.
5350 2006-04-17 Richard Guenther <rguenther@suse.de>
5352 PR target/26826
5353 * reload.c (push_reload): Guard calls to get_secondary_mem
5354 for memory subregs.
5356 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5358 * alias.c (reg_base_value, old_reg_base_value): Change the
5359 type to VEC(rtx,gc) *.
5360 (REG_BASE_VALUE, find_base_value, record_set,
5361 init_alias_analysis): Use VEC instead of VARRAY.
5363 * alias.c (alias_sets): Change the type to
5364 VEC(alias_set_entry,gc) *.
5365 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5366 VEC instead of VARRAY.
5367 (last_alias_set): Remove.
5369 * cgraph.h (cgraph_edge_p): New.
5370 Update the prototype of cgraph_function_versioning.
5371 * cgraphunit.c (cgraph_copy_node_for_versioning,
5372 cgraph_function_versioning): Use VEC instead of VARRAY.
5373 * ipa-cp.c (ipcp_insert_stage): Likewise.
5375 2006-04-16 Roger Sayle <roger@eyesopen.com>
5377 PR target/26961
5378 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5379 "A op B" or "A op C", we may need to convert A to the type of B and C.
5381 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5383 * target.h (struct gcc_target): Add mode_rep_extended.
5384 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5385 (init_num_sign_bit_copies_in_rep): Initialize it using
5386 mode_rep_extended.
5387 (truncate_to_mode): Use it.
5388 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5389 * targhooks.h (default_mode_rep_extended): Declare it.
5390 * targhooks.c (default_mode_rep_extended): Define it.
5391 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5392 default_mode_rep_extended.
5393 (TARGET_INITIALIZER): Include it.
5394 * doc/tm.texi (Misc): Document it.
5395 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5396 (mips_truncated_to_mode): New function.
5398 2006-04-16 Roger Sayle <roger@eyesopen.com>
5400 PR middle-end/25474
5401 * expr.c (compress_float_constant): Copy the narrow constant into
5402 a new pseudo before extending it to its final width.
5404 2006-04-16 Roger Sayle <roger@eyesopen.com>
5405 Andrew Pinski <pinskia@gcc.gnu.org>
5406 Dale Johannesen <dalej@apple.com>
5408 PR target/24076
5409 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5410 special case code to implement V8HImode and V16QImode with SSE2.
5412 2006-04-15 Roger Sayle <roger@eyesopen.com>
5414 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5415 trees are constructed with a suitable tree type.
5417 2006-04-15 Roger Sayle <roger@eyesopen.com>
5419 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5420 (integer_onep): Likewise.
5421 (integer_all_onesp): Likewise.
5422 (integer_pow2p): Likewise.
5423 (integer_nonzerop): Likewise.
5424 (real_zerop): Likewise.
5425 (real_onep): Likewise.
5426 (real_twop): Likewise.
5427 (real_minus_onep): Likewise.
5428 (int_size_in_bytes): Likewise.
5429 (host_integerp): Likewise.
5431 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5433 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5434 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5435 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5437 * tree-ssa-structalias.h (alias_info): Remove num_references.
5439 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5441 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5442 (output_bvb patterns): Likewise.
5443 * pa.c (output_bb): Use 'bb' insn for long branch case.
5444 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5445 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5446 1. Correct length operand for alternatives 1 and 2.
5447 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5448 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5450 2006-04-14 Roger Sayle <roger@eyesopen.com>
5452 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5453 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5454 were accidentally reverted by r112959.
5456 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5458 PR middle-end/26823
5459 * except.h (eh_region_outermost): New prototype.
5460 * except.c (eh_region_outermost): New function.
5461 * tree-cfg.c (find_outermost_region_in_block): Use it.
5463 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5465 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5466 of VARRAY.
5467 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5468 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5469 (init_reload, reload): Use VEC instead of VARRAY.
5470 * reload.h: Update the prototype for
5471 reg_equiv_memory_loc_varray.
5473 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5474 Eric Botcazou <ebotcazou@libertysurf.fr>
5476 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5477 register save area.
5479 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5481 PR middle-end/27134
5482 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5483 to expand fallback builtin function call.
5485 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5487 PR middle-end/27095
5488 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5489 and emit libcall here in case the builtin fails.
5490 (expand_builtin_strcmp): Always emit the libcall here on failure.
5492 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5494 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5495 * flow.c (reg_n_info): Change the type to
5496 VEC(reg_info_p,heap) *.
5497 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5498 instead of VARRAY.
5499 * regs.h (reg_info_p): New.
5500 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5501 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5502 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5503 instead of VARRAY.
5505 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5507 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5508 defaulting to 100.
5509 * params.h (MAX_SCHED_READY_INSNS): New macro.
5510 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5511 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5512 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5513 the ready list for 1 cycle during the first scheduling pass.
5514 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5516 2006-04-13 Richard Henderson <rth@redhat.com>
5518 PR libgomp/26651
5519 * gimple-low.c (lower_omp_directive): Remove dead code.
5520 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5521 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5522 * omp-low.c (struct omp_region): Move to tree-flow.h.
5523 (root_omp_region): Export.
5524 (omp_regions, lookup_omp_region): Remove.
5525 (determine_parallel_type): Update for struct omp_region changes.
5526 (dump_omp_region): Dump regions with block numbers.
5527 (new_omp_region): Take type and block instead of stmt; malloc
5528 instead of ggc.
5529 (free_omp_region_1, free_omp_regions): New.
5530 (expand_parallel_call): Take entry_stmt as argument; update for
5531 changes to omp_region.
5532 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5533 (remove_exit_barriers): New.
5534 (expand_omp_parallel): Update for struct omp_region changes.
5535 (expand_omp_synch): Likewise.
5536 (expand_omp): Likewise.
5537 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5538 (expand_omp_for_static_chunk): Likewise.
5539 (expand_omp_for): Likewise.
5540 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5541 (expand_omp_sections): Similarly, with GOMP_sections_end.
5542 (expand_omp_single): New.
5543 (build_omp_regions_1): Update for OMP_CONTINUE.
5544 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5545 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5546 OMP_SECTIONS_SECTIONS.
5547 (lower_omp_single_simple): Don't emit barrier here.
5548 (lower_omp_single_copy): Likewise.
5549 (lower_omp_single): Fix bindings, and lower to straightline now.
5550 (lower_omp_master, lower_omp_ordered): Likewise.
5551 (lower_omp_critical): Likewise.
5552 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5553 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5554 omp edges, free it afterward.
5555 (make_omp_sections_edges): Remove.
5556 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5557 (move_stmt_r): Handle OMP_CONTINUE.
5558 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5559 statement pointers to basic blocks. Add type member.
5560 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5561 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5562 * tree-inline.c (estimate_num_insns_1): Likewise.
5563 * tree-pretty-print.c (dump_generic_node): Likewise.
5564 * tree-ssa-operands.c (get_expr_operands): Likewise.
5565 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5566 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5567 (OMP_CONTINUE): New.
5568 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5569 (OMP_SECTIONS_SECTIONS): Remove.
5570 (OMP_SECTION_LAST): New.
5571 (OMP_RETURN_NOWAIT): New.
5573 2006-04-13 Roger Sayle <roger@eyesopen.com>
5575 * fold-const.c (native_encode_vector, native_interpret_real):
5576 Correct obvious mistakes in the previous check-in.
5578 2006-04-13 Roger Sayle <roger@eyesopen.com>
5580 * fold-const.c (native_encode_expr): New function to encode
5581 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5582 or VECTOR_CST into a specified buffer.
5583 (native_encode_int): New function.
5584 (native_encode_real): New function.
5585 (native_encode_complex): New function.
5586 (native_encode_vector): New function.
5587 (native_interpret_expr): Inverse of native_encode_expr to convert
5588 a target representation into an INTEGER_CST, REAL_CST etc...
5589 (native_interpret_int): New function.
5590 (native_interpret_real): New function.
5591 (native_interpret_complex): New function.
5592 (native_interpret_vector): New function.
5593 (fold_view_convert_expr): New function to constant fold/evaluate
5594 a VIEW_CONVERT_EXPR of a suitable constant expression.
5595 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5596 Change call of build1 to fold_build1 when constructing a
5597 VIEW_CONVERT_EXPR.
5599 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5600 Ulrich Weigand <uweigand@de.ibm.com>
5602 PR target/27006
5603 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5604 to be even.
5606 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5608 PR target/26459
5609 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5610 optimize to lo_sum for DFmode if !TARGET_FPRS.
5612 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5614 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5615 delete_alias_info, compute_flow_sensitive_aliasing,
5616 group_aliases): Use VEC instead of VARRAY.
5617 * tree-ssa-structalias.c (update_alias_info): Likewise.
5618 * tree-ssa-structalias.h (alias_info): Change the type of
5619 processed_ptrs to VEC(tree,heap) *.
5621 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5623 PR target/27060
5624 * config/sh/lib1funcs.h: New file, broken out of:
5625 * config/sh/lib1funcs.asm.
5626 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5627 New macros.
5628 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5629 * config/sh/lib1funcs-Os-4-200.asm: New file.
5630 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5631 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5632 (EXTRA_MULTILIB_PARTS): Include it.
5633 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5634 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5635 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5636 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5637 TARGET_SH2.
5639 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5641 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5642 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5643 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5644 VARRAY.
5645 * tree-ssa-live.h: Include vecprim.h.
5646 (tree_partition_associator_d): Change the type of
5647 first_partition to VEC(int,heap) *.
5648 (tpa_first_partition): Use VEC instead of VARRAY.
5650 * Makefile.in (GTFILES): Move functions.h after tree.h.
5651 * function.c (reset_block_changes, record_block_change,
5652 check_block_change, free_block_changes): Use VEC instead of
5653 VARRAY.
5654 * function.h (function): Change the type of
5655 ib_boundaries_block to VEC(tree,gc) *.
5656 * tree-inline.c (copy_cfg_body): Initialize
5657 ib_boundaries_block to NULL instead of (varray_type) 0.
5659 2006-04-12 Roger Sayle <roger@eyesopen.com>
5661 * expr.c (emit_group_store): Correct operand order in call to
5662 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5663 a SUBREG_BYTE of zero.
5665 2006-04-12 Richard Guenther <rguenther@suse.de>
5667 * profile.c (compute_branch_probabilities): Remove code
5668 encapsulated in !ir_type (), which are remanents of the
5669 removed RTL profiling code.
5670 * rtl-profile.c: Remove.
5672 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5674 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5675 magic NULL_RTX comment.
5676 (function_arg): Store entire fp arg to mem if any part should go
5677 on stack.
5678 (rs6000_arg_partial_bytes): Adjust for above change.
5680 2006-04-11 Roger Sayle <roger@eyesopen.com>
5682 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5683 if it hasn't been initialized by dwarf2out_init.
5685 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5687 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5688 symbolic constants in branch patterns.
5690 2006-04-11 Roger Sayle <roger@eyesopen.com>
5692 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5694 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5696 PR rtl-optimization/27073
5697 * gcse.c (try_replace_reg): Revert last change. Continue to search
5698 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5699 on the former.
5701 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5703 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5704 aggregate types other than record and union types.
5705 (function_arg): Likewise.
5706 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5707 small arrays.
5708 (function_value): In 64-bit mode, return objects that require it
5709 in FP registers.
5711 2006-04-11 Roger Sayle <roger@eyesopen.com>
5713 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5715 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5717 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5719 2006-04-03 Jeff Law <law@redhat.com>
5721 PR/27087
5722 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5723 alias information too.
5725 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5727 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5729 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5731 PR/21391
5732 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5733 (premark_used_types_helper): New.
5734 (premark_used_types): New.
5735 (gen_subprogram_die): Call premark_used_types.
5736 (prune_unused_types_walk): Do not prune perennial dies.
5737 * function.c (used_types_insert): New.
5738 * function.h (struct function): Add used_types_hash field.
5739 (used_types_insert): Add prototype.
5740 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5741 * c-parser.c (c_parser_cast_expression): Save casted types in used
5742 types hash table.
5744 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5746 PR target/26459
5747 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5748 rs6000_explicit_options.float_gprs.
5750 2006-04-10 Roger Sayle <roger@eyesopen.com>
5752 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5753 from ix86_expand_vector_init_low_nonzero. Take an additional
5754 one_var argument indicating which element is non-zero. Support
5755 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5756 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5757 with one_var instead of ix86_expand_vector_init_low_nonzero.
5759 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5761 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5762 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5763 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5764 build/genextract.o): Depend on vecprim.h.
5765 * cfglayout.c, df-problems.c, function.c, genextract.c,
5766 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5767 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5768 vecprim.h.
5769 * vecprim.h: New.
5771 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5773 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5774 Declare VECs of this type.
5775 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5776 (remove_children): Delete.
5777 (add_dwarf_attr): Use VEC routines.
5778 (add_AT_flag): Update for changes to add_dwarf_attr.
5779 (add_AT_int): Likewise.
5780 (add_AT_unsigned): Likewise.
5781 (add_AT_long_long): Likewise.
5782 (add_AT_vec): Likewise.
5783 (add_AT_string): Likewise.
5784 (add_AT_die_ref): Likewise.
5785 (add_AT_fde_ref): Likewise.
5786 (add_AT_loc): Likewise.
5787 (add_AT_loc_list): Likewise.
5788 (add_AT_addr): Likewise.
5789 (add_AT_lbl_id): Likewise.
5790 (add_AT_lineptr): Likewise.
5791 (add_AT_macptr): Likewise.
5792 (add_AT_offset): Likewise.
5793 (add_AT_range_list): Likewise.
5794 (get_AT): Use VEC_iterate.
5795 (remove_AT): Use VEC_ordered_remove.
5796 (free_die): Fold remove_children into here; have it use VEC_iterate.
5797 (print_die): Use VEC_iterate on attrs.
5798 (reverse_die_lists): Don't reverse attr lists.
5799 (die_checksum): Use VEC_iterate on attrs.
5800 (same_die_p): Likewise.
5801 (output_location_lists): Likewise.
5802 (build_abbrev_table): Likewise.
5803 (size_of_die): Likewise.
5804 (unmark_all_dies): Likewise.
5805 (output_abbrev_section): Likewise.
5806 (output_die): Likewise.
5807 (prune_unused_types_walk_attribs): Likewise.
5809 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5811 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5813 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5815 PR debug/27057
5816 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5818 2006-04-09 Roger Sayle <roger@eyesopen.com>
5820 * expr.c (store_constructor): Don't bother clearing target if
5821 we're about to assign a vector to it using vec_init_optab.
5823 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5825 * tree-ssa-alias.c (lhs_may_store_to): New function.
5826 (recalculate_used_alone): Handle LHS of calls.
5828 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5830 PR target/27034
5831 PR target/26508
5832 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5833 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5834 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5835 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5836 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5837 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5838 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5839 stubs. Add ".align 8" directives before all ".dword" directives.
5840 (GTHREAD_USE_WEAK): Revise comment.
5841 (TARGET_ATTRIBUTE_WEAK): Define.
5842 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5843 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5844 * stublib.c: New file.
5846 PR target/26743
5847 PR target/11254
5848 PR target/10274
5849 * pa.md (cbranch patterns): Revise arguments used in calls to
5850 output_cbranch, output_bb and output_bvd. Add long branch length
5851 attributes.
5852 (fbranch patterns): Handle long branches.
5853 (jump): Revise length check. Revise arguments for output_lbranch call.
5854 Add long branch length attributes.
5855 (decrement_and_branch_until_zero): Add long branch length attributes.
5856 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5857 Likewise. Revise arguments for output_parallel_addb and
5858 output_parallel_movb calls.
5859 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5860 output_parallel_movb and output_parallel_addb): Update prototypes.
5861 * pa.c (output_cbranch): Revise arguments. Correct handling of
5862 nullification in long branches.
5863 (output_lbranch): Add new argument to control extraction of delay
5864 instruction.
5865 (output_bb): Handle long branches.
5866 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5867 output_parallel_addb): Likewise.
5869 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5871 PR rtl-optimization/27073
5872 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5873 not REG_EQUIVs.
5875 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5877 * tree.h (tree_memory_tag): Add old_used_alone.
5878 (SMT_OLD_USED_ALONE): New macro.
5879 * tree-ssa-alias.c (recalculate_used_alone): Stop
5880 marking things for renaming unnecessarily.
5882 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5884 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5885 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5886 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5887 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5888 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5889 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5890 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5891 spelling convensions.
5892 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5893 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5894 typos. Follow spelling conventions.
5896 2006-04-07 DJ Delorie <dj@redhat.com>
5898 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5899 passed on the stack.
5900 (m32c_init_cumulative_args): When a function returns a structure,
5901 always pass the pointer to that return area on the stack.
5902 (m32c_function_arg_advance): Don't increment the parameter number
5903 if we're processing the returned structure pointer.
5904 (pushm_info): Reverse order of registers.
5906 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5908 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5909 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5910 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5911 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5912 build_int_cst_type.
5913 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5914 chrec_fold_multiply): Same.
5915 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5916 force_expr_to_var_cost): Same.
5917 * tree-mudflap.c (mf_xform_derefs_1): Same.
5918 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5920 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5922 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5923 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5924 insn.
5926 2006-04-07 Jan Hubicka <jh@suse.cz>
5928 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5930 2006-04-07 Richard Guenther <rguenther@suse.de>
5932 PR tree-optimization/26135
5933 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5934 loads for store copy-prop.
5935 (copy_prop_visit_stmt): Likewise.
5937 2006-04-05 Robert Millan <robertmh@gnu.org>
5939 * config/i386/linux.h: Add a comment to mark macros that are
5940 being overriden in config/k*bsd-gnu.h.
5941 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5942 DYNAMIC_LINKER.
5943 * config/knetbsd-gnu.h: Ditto.
5945 2006-04-06 Jan Hubicka <jh@suse.cz>
5947 PR profile/20815
5948 PR profile/26399
5949 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5950 after buffer.
5952 2006-04-06 Mike Stump <mrs@apple.com>
5954 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5955 for HAVE_nonlocal_goto to be consistent.
5956 (expand_builtin_nonlocal_goto): Likewise.
5957 (expand_builtin_strcmp): Use #ifdef instead of #if
5958 for HAVE_cmpstrnsi to be consistent.
5960 2006-04-05 DJ Delorie <dj@redhat.com>
5962 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5963 vs m32c.
5965 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5967 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5968 got-relative addressing for anything but SImode.
5970 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5971 even if the calling function doesn't modify them.
5973 2006-04-05 Richard Guenther <rguenther@suse.de>
5975 PR tree-optimization/26919
5976 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5977 to cgraph_estimate_size_after_inlining.
5979 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5981 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5983 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5985 PR tree-optimization/26996
5986 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5987 VECTOR_TYPE variables.
5989 2006-04-05 Richard Guenther <rguenther@suse.de>
5991 PR tree-optimization/26763
5992 * fold-const.c (fold_comparison): Move folding of
5993 PTR + CST CMP PTR + CST ...
5994 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5996 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5998 * doc/install.texi (Prerequisites): Refine some wording on
5999 bootstrapping and ksh.
6000 Move the version numbers of DejaGnu here from the testing section
6001 and fix casing of names.
6002 Fix markup and clarify wording for autogen requirements.
6003 Refer to GCJ instead of just java.
6004 Refer to SVN instead of CVS.
6005 Describe diffutils as useful instead of necessary.
6006 (Downloading the source): Refer to SVN instead of CVS.
6007 Adjust a link to our web site accordingly.
6008 (Configuration): Fix casing of Bison.
6009 (Building): Refer to SVN instead of CVS.
6010 Fix a sentence on the use of Bison and remove duplicate (and
6011 incorrect) version number of Bison requirement.
6012 Remove one redundant list of packages needed for building.
6013 (Specific): Avoid reference to CVS.
6015 2006-04-04 Eric Christopher <echristo@apple.com>
6017 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6018 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6019 (rs6000_handle_struct_attribute): New.
6020 (rs6000_ms_bitfield_layout_p): Ditto.
6022 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6024 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6025 NULL for dso parameter to atexit_common.
6027 2006-04-04 Eric Christopher <echristo@apple.com>
6029 * config/i386/i386.c (machopic_output_stub): Output \t
6030 between instructions and operands.
6032 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6034 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6035 satisfies_constraint_[IL] to explicit tests on value.
6037 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6039 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6040 set_nb_iterations_in_loop): Use build_int_cst instead of
6041 build_int_cst_type.
6042 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6043 build_int_cst instead of convert.
6045 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6047 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6048 new value 2 for incoming.
6049 * function.c (expand_function_start): Call struct_value_rtx
6050 with incoming as 2.
6051 * config/sparc/sparc.md: Comment updated_return.
6052 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6053 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6054 struct return if sparc_std_struct_return and incoming is 2.
6055 (print_operand): Do not adjust return if
6056 sparc_std_struct_return.
6058 2006-04-04 Roger Sayle <roger@eyesopen.com>
6060 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6061 convert in the middle-end.
6062 * expr.c (store_expr, store_constructor, get_inner_reference,
6063 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6064 Likewise.
6065 * tree.c (build_range_type): Likewise.
6067 2006-04-04 Tom Tromey <tromey@redhat.com>
6069 * doc/install.texi (Prerequisites): Mention jar.
6071 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6073 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6074 subsection.
6076 2006-04-04 Matthias Klose <doko@debian.org>
6078 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6079 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6080 strings.
6082 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6084 * doc/extend.texi (Function Attributes): Rewrite visibility
6085 attribute documentation.
6086 * doc/invoke.texi (C++ Dialect Options): Rewrite
6087 -fvisibility-inlines-hidden documentation to describe something
6088 entirely different, although in practise compatible.
6089 (Code Gen Options): Warn about system headers in -fvisibility=
6090 documentation.
6092 * doc/extend.texi (Other Builtins): Document that
6093 __builtin_nan is a compile-time constant only when its argument
6094 is valid.
6096 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6098 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6099 trying to remove TRUNCATE check if all bits outside the new mode
6100 are identical to the sign bit.
6102 2006-04-03 Jeff Law <law@redhat.com>
6104 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6105 and operand scanning in some common cases.
6107 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6108 Dale Johannesen <dalej@apple.com>
6110 PR target/19653
6111 * regclass.c (struct reg_pref): Update documentation.
6112 (regclass): Set prefclass to NO_REGS if memory is the best option.
6113 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6114 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6115 into account. For non-registers, equate an empty preferred
6116 reload class to a `!' in the constraint; move the if clause to
6117 do so after those that reject the insn.
6118 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6119 return NO_REGS.
6120 (find_dummy_reload): Likewise.
6121 * doc/tm.texi (Register Classes): Document what it means
6122 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6123 * config/i386/i386.c (ix86_preferred_reload_class): Force
6124 using SSE registers (and return NO_REGS for floating-point
6125 constants) if math is done with SSE.
6126 (ix86_preferred_output_reload_class): New.
6127 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6128 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6129 * config/i386/i386.md: Remove # register preferences.
6131 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6133 PR bootstrap/26992
6134 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6135 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6136 the type of nb_iter.
6137 (instantiate_parameters_1): Convert the operands before calling
6138 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6139 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6141 2006-04-02 Roger Sayle <roger@eyesopen.com>
6143 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6144 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6145 instead of convert.
6146 * dojump.c (do_jump): Likewise.
6147 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6148 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6149 gimplify_boolean_expr): Likewise.
6150 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6151 * varasm.c (array_size_for_constructor): Likewise.
6152 * tree-object-size.c (compute_object_offset): Likewise.
6154 2006-04-02 Roger Sayle <roger@eyesopen.com>
6156 PR middle-end/26977
6157 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6158 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6160 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6162 PR tree-optimization/26939
6163 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6165 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6167 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6168 at_stmt. Convert the type of operands before calling
6169 build_polynomial_chrec.
6170 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6171 add_to_evolution_1.
6172 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6173 (instantiate_parameters_1): Convert the type of operands before calling
6174 build_polynomial_chrec.
6175 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6176 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6177 reset_evolution_in_loop): Insert asserts to check the types of the
6178 operands.
6179 (chrec_type): Moved...
6180 (eq_evolutions_p): Use operand_equal_p.
6181 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6182 the types of the operands.
6183 (chrec_type): ...here.
6184 * tree-data-ref.c (create_data_ref): Convert the operands before
6185 calling chrec_replace_initial_condition.
6186 (same_access_functions, analyze_subscript_affine_affine,
6187 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6188 (compute_subscript_distance, analyze_ziv_subscript,
6189 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6190 analyze_miv_subscript): Convert the operands before calling
6191 chrec_fold_minus or chrec_fold_plus.
6193 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6195 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6196 the dependence_relations vector.
6197 (compute_data_dependences_for_loop): Adjust call to
6198 compute_all_dependences.
6200 2006-04-01 Roger Sayle <roger@eyesopen.com>
6201 Richard Henderson <rth@redhat.com>
6203 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6204 gimple_boolify on the condition before calling gimplify_expr.
6206 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6208 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6209 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6210 the frame size. Update to use the new macros.
6211 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6212 * config/xtensa/ieee754-df.S: Likewise.
6214 2006-03-31 Richard Henderson <rth@redhat.com>
6216 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6217 (make_edges): ... here. Control fallthru creation with a local
6218 variable. Do not play with fake edges.
6219 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6220 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6221 a boolean.
6223 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6225 * dwarf2.h (DW64_CIE_ID): Define.
6226 * dwarf2out.c (DWARF_CIE_ID): Define.
6227 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6228 length header. Use DWARF_CIE_ID.
6229 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6230 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6232 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6234 * config/sh/linux-atomic.asm: New file.
6235 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6237 2006-03-31 DJ Delorie <dj@redhat.com>
6239 * config/m32c/cond.md: Set condition flags properly throughout.
6240 * config/m32c/minmax.md: Likewise.
6241 * config/m32c/prologue.md: Likewise.
6242 * config/m32c/bitops.md: Likewise.
6243 * config/m32c/muldiv.md: Likewise.
6244 * config/m32c/mov.md: Likewise.
6245 * config/m32c/addsub.md: Likewise.
6246 * config/m32c/m32c.md: Likewise.
6247 * config/m32c/jump.md: Likewise.
6248 * config/m32c/shift.md: Likewise.
6250 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6251 conditionally output the pattern for this.
6252 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6253 (m32c_compare_redundant): New.
6254 (m32c_output_compare): New.
6255 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6257 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6258 dest, not src. Allow other 4-byte modes.
6260 2006-03-30 Denis Chertykov <denisc@overta.ru>
6262 * doc/md.texi: Refer to avr/constraints.md instead of
6263 avr/avr.h.
6265 2006-03-30 Roger Sayle <roger@eyesopen.com>
6267 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6268 signed vs. unsigned comparison failures on some hosts.
6270 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6272 PR target/26459
6273 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6274 change to FLOAT_REGS.
6276 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6277 (rs6000_override_options): Use it.
6278 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6279 only for -mabi=spe/no-spe and -mabi=altivec.
6281 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6283 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6284 !Zdynamiclib.
6286 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6288 * Makefile.in: Rename docdir to gcc_docdir.
6290 2006-03-30 Roger Sayle <roger@eyesopen.com>
6292 PR target/17959
6293 * expr.c (emit_group_store): Optimize group stores into a pseudo
6294 register by using a paradoxical subreg to initialize the destination
6295 if the first or last member of the group specifies a "low part".
6297 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6299 PR target/26734
6300 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6301 * target.h (struct gcc_target.speculate_insn): Change type of the
6302 second parameter to 'int'.
6303 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6304 the second operand of the DEPS_LIST.
6305 (copy_DEPS_LIST_list): Update reference to the second operand of the
6306 DEPS_LIST.
6307 * rtl.h (alloc_DEPS_LIST): Update signature.
6308 * sched-int.h (ds_t): Change typedef to 'int'.
6309 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6311 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6313 * haifa-sched.c (try_ready): Change condition to restore
6314 non-speculative pattern of the instruction.
6315 (process_insn_depend_be_in_spec): Code to keep probability of the
6316 speculative dependence non-decreasing.
6318 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6320 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6321 (single_move_for_movmem): ... this. Also change all uses.
6322 (bfin_expand_strmov): Renamed to...
6323 (bfin_expand_movmem): ... this. Also change all uses.
6324 * config/bfin/bfin.md (movstrsi): Renamed to...
6325 (movstrsi): ...this.
6327 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6329 PR tree-optimization/26830
6331 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6332 (copy_prop_visit_stmt): Remove write-only variable ann.
6333 (init_copy_prop): Check variable loop depth here. Do not simulate
6334 memory-tag and virtual operand PHIs except for store copy prop.
6336 2006-03-30 Richard Guenther <rguenther@suse.de>
6338 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6339 variants with double arguments.
6341 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6343 * genpreds.c (write_tm_constrs_h): Delete variable p.
6344 * genconditions.c (write_header): Add tm-constrs.h to included
6345 headers.
6346 * genpeep.c (main): Add toplev.h to included headers.
6347 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6348 (build/genpeep.o): Add toplev.h dependency.
6349 * config/rs6000/constraints.md: Add "W" constraint.
6351 2006-03-29 Roger Sayle <roger@eyesopen.com>
6353 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6354 sizes by correctly testing whether the size fits a host integer.
6355 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6356 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6357 SImode range for the default sizetype and bitsizetype.
6359 2006-03-29 Roger Sayle <roger@eyesopen.com>
6361 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6362 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6363 quickly if the argument is already of the correct type.
6364 Call fold_build1 instead of build1. Tidy up blank lines.
6366 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6368 * genemit.c (main): Add tm-constrs.h to included headers.
6369 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6370 * genpeep.c (main): Add tm-constrs.h to included headers.
6371 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6372 (write_tm_constrs_h): this and write complete file.
6373 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6374 (write_insn_preds_c): Add tm-constrs.h to included headers.
6375 (gen_constrs): New variable.
6376 (parse_option): Parse "-c".
6377 (main): Invoke write_tm_constrs_h.
6378 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6379 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6380 (object_out_file): Add tm-constrs.h dependency.
6381 (insn-emit.o): Same.
6382 (insn-output.o): Same.
6383 (insn-peep.o): Same.
6384 (insn-preds.o): Same.
6385 (insn-recog.o): Same.
6386 (tm-constsr.h): New target.
6387 (s-constrs-h): New target.
6389 * config/rs6000/constraints.md: New file.
6390 * config/rs6000/rs6000.c: Include tm-constrs.h.
6391 (num_insn_constant_wide): Convert to satisfies_constraint.
6392 (rs6000_rtx_costs): Convert to satisfies_constraint.
6393 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6394 (CONST_OK_FOR_LETTER_P): Delete.
6395 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6396 (EXTRA_CONSTRAINT): Delete.
6397 (EXTRA_MEMORY_CONSTRAINT): Delete.
6398 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6399 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6400 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6401 satisfies_constraint.
6403 * config/i386/i386.c: Include tm-constrs.h.
6405 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6407 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6408 * tree-data-ref.c (find_data_references_in_loop,
6409 compute_data_dependences_for_loop): Use pointers to VEC.
6410 (analyze_all_data_dependences): Adjust calls.
6411 * tree-data-ref.h (find_data_references_in_loop,
6412 compute_data_dependences_for_loop): Adjust declarations.
6413 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6414 compute_data_dependences_for_loop.
6416 2006-03-29 Paul Brook <paul@codesourcery.com>
6418 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6419 (movdf_vfp): Ditto.
6421 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6423 PR tree-optimization/26859
6424 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6425 division by zero.
6426 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6427 for the step after fold_convert.
6429 2006-03-29 Paul Brook <paul@codesourcery.com>
6431 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6432 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6434 2006-03-29 Paul Brook <paul@codesourcery.com>
6436 PR middle-end/23623
6437 * targhooks.c (default_narrow_bitfield): New fuction.
6438 * targhooks.h (default_narrow_bitfield): add prototype.
6439 * target.h (gcc_target): Add narrow_volatile_bitfield.
6440 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6441 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6442 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6443 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6445 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6447 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6448 tmake_file.
6449 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6450 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6451 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6452 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6453 (s390_function_arg_float): Allow SDmode and DDmode values to be
6454 passed in floating point registers.
6455 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6456 check with SCALAR_FLOAT_MODE_P.
6457 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6459 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6461 PR tree-optimization/25985
6462 * tree-ssa-loop-niter.c (number_of_iterations_le,
6463 number_of_iterations_ne): Make comments more precise.
6464 (number_of_iterations_cond): Add only_exit argument. Use the
6465 fact that signed variables do not overflow only when only_exit
6466 is true.
6467 (loop_only_exit_p): New.
6468 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6469 number_of_iterations_cond.
6471 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6473 PR tree-optimization/26643
6474 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6475 bit_field_refs.
6477 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6479 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6480 (divsi3_i4_int): Likewise.
6482 2006-03-28 Roger Sayle <roger@eyesopen.com>
6484 * expr.c (emit_group_store): Only create a new pseudo reg if the
6485 quantity it needs to hold isn't already a suitable pseudo.
6487 2006-03-28 Jeff Law <law@redhat.com>
6489 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6490 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6492 2006-03-28 Roger Sayle <roger@eyesopen.com>
6494 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6495 the equivalent ~X & Y, and the symmetry related transformations.
6496 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6497 ~X & Y, and symmetry related transforms.
6499 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6501 Revert my 2006-03-27 patches.
6503 2006-03-28 Roger Sayle <roger@eyesopen.com>
6505 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6506 ~(T1)X, when T1 and T2 are integer types of the same precision
6507 and (T2)X isn't an extension.
6509 2006-03-28 Jeff Law <law@redhat.com>
6511 PR tree-optimization/26796
6512 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6513 need EH edge cleanups rather than purging them immediately.
6514 (eliminate_degenerate_phis): Handle queued EH cleanups.
6516 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6518 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6519 from parent_var.
6521 2006-03-27 Roger Sayle <roger@eyesopen.com>
6523 PR middle-end/22524
6524 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6525 cast BIT_NOT_EXPR operand to the correct type.
6527 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6529 * tree-loop-linear.c: Don't include varray.h.
6530 (gather_interchange_stats, try_interchange_loops,
6531 linear_transform_loops): Use VEC instead of VARRAY.
6532 * lambda-mat.c: Don't include varray.h.
6533 * tree-chrec.c: Same.
6534 * lambda-trans.c: Same.
6535 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6536 VEC instead of VARRAY.
6537 * tree-vectorizer.h: Idem.
6538 * tree-data-ref.c (dump_data_references,
6539 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6540 initialize_data_dependence_relation, finalize_ddr_dependent,
6541 compute_all_dependences, find_data_references_in_loop,
6542 compute_data_dependences_for_loop, analyze_all_data_dependences,
6543 free_dependence_relation, free_dependence_relations,
6544 free_data_refs): Idem.
6545 * tree-data-ref.h (data_reference_p, subscript_p): New.
6546 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6547 VEC instead of VARRAY.
6548 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6549 (find_data_references_in_loop, compute_data_dependences_for_loop,
6550 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6551 dump_data_dependence_relations, free_dependence_relations,
6552 free_data_refs): Adjust declaration.
6553 (lambda_transform_legal_p): Move declaration here...
6554 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6555 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6556 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6557 vect_analyze_data_refs): Use VEC instead of VARRAY.
6558 * lambda.h (lambda_transform_legal_p): ...from here.
6559 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6560 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6561 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6562 tree-chrec.o): Don't depend on VARRAY_H.
6564 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6566 * rtl.def (Copyright): Update date.
6567 (DEPS_LIST): Change type of the second operand to 'int'.
6568 * target.h (Copyright): Update date.
6569 (struct gcc_target.speculate_insn): Change type of the second parameter
6570 to 'int'.
6571 * lists.c (Copyright): Update date.
6572 (alloc_DEPS_LIST): Change signature. Update reference to the second
6573 operand of the DEPS_LIST.
6574 (copy_DEPS_LIST_list): Update reference to the second operand of the
6575 DEPS_LIST.
6576 * rtl.h (Copyright): Update date.
6577 (alloc_DEPS_LIST): Update signature.
6578 * sched-int.h (Copyright): Update date.
6579 (ds_t): Change typedef to 'int'.
6580 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6582 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6584 * haifa-sched.c (Copyright): Update date.
6585 (try_ready): Change condition to restore non-speculative pattern
6586 of the instruction.
6587 (process_insn_depend_be_in_spec): Code to keep probability of the
6588 speculative dependence non-decreasing.
6590 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6592 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6593 shut up the compiler.
6595 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6597 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6598 to use lib prefix for target.
6599 ($(T)libic_invalidate_array_4-200.a): Likewise.
6600 ($(T)libic_invalidate_array_4a.a): Likewise.
6602 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6603 J"orn Rennecke <joern.rennecke@st.com>
6605 * superh.opt: New file.
6606 * sh.c (boardtype, osruntime): Remove.
6607 * superh.h (SUBTARGET_OPTIONS): Remove.
6608 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6610 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6611 arguments with ^ and/or [].
6613 * config.gcc (sh-*-*): Add quoting to account for quirk of
6614 Solaris /bin/sh.
6615 Replace == with = in enable_incomplete_targets test.
6617 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6618 with MASK_LITTLE_ENDIAN.
6620 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6621 * config/sh/sh.opt: Added to some comments.
6622 * config/sh/superh.h: Removed some chaff.
6624 * config/sh/sh.opt: Add m4-[1234]00* options.
6625 * config/sh/sh.c (sh_handle_option): Likewise.
6626 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6627 (ic_invalidate_array_4-100.o): New rule.
6628 ($(T)libic_invalidate_array_4-100.a): Likewise.
6629 (ic_invalidate_array_4-200.o): Likewise.
6630 ($(T)libic_invalidate_array_4-200.a): Likewise.
6631 (ic_invalidate_array_4a.o): Likewise.
6632 ($(T)libic_invalidate_array_4a.a): Likewise.
6633 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6634 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6635 m4-200*, and m4a*.
6636 * config/sh/crt1.asm: Merged in profiling code.
6637 * config/sh/superh.h (STARTFILE_SPEC): Override.
6638 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6639 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6640 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6642 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6643 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6644 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6646 * sh.opt (mpretend-cmove): New option.
6647 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6648 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6649 (movsicc): Add TARGET_PRETEND_CMOVE code.
6651 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6653 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6654 s390_class_max_nregs): New function prototypes.
6655 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6656 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6657 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6658 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6660 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6662 * dwarf2out.c (add_location_or_const_value_attribute): Call
6663 tree_add_const_value_attribute if nothing else works.
6664 (reference_to_unused): New.
6665 (rtl_for_decl_init): Use reference_to_unused to decide whether
6666 to output an initializer.
6668 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6670 PR target/26459
6671 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6672 peephole removing spe frob_di_df_2.
6674 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6676 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6677 (subscript_dependence_tester_1): Declared.
6678 (print_dir_vectors, print_dist_vectors): New.
6679 (debug_data_dependence_relation): New.
6680 (dump_data_dependence_relation): Print more details.
6681 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6682 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6683 (save_dist_v, save_dir_v, add_outer_distances,
6684 build_classic_dist_vector_1): New.
6685 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6686 Don't test for lambda_vector_lexico_pos.
6687 (same_access_functions, add_multivariate_self_dist,
6688 add_other_self_distances, dir_from_dist): New.
6689 (build_classic_dir_vector): Replace implementation almost identical to
6690 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6691 dir_from_dist.
6692 (subscript_dependence_tester_1): New.
6693 (subscript_dependence_tester): Handle the lexicographically negative
6694 distance vectors by recomputing the dependence relation.
6695 (compute_affine_dependence): Remove parameter loop_nest_depth.
6696 (compute_self_dependence): Don't call compute_subscript_distance.
6697 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6698 Add a parameter for the loop_nest.
6699 (find_loop_nest_1, find_loop_nest): New.
6700 (compute_data_dependences_for_loop): Compute the loop nest, and give
6701 up if the nest is not well formed.
6702 * tree-data-ref.h (loop_p): New.
6703 (struct data_dependence_relation): Replace size_vect field with
6704 loop_nest, a vec of loops.
6705 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6706 (DDR_LOOP_NEST): New.
6707 (print_dir_vectors, print_dist_vectors,
6708 debug_data_dependence_relation): Declared.
6709 (index_in_loop_nest): New.
6710 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6711 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6712 distance.
6714 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6716 * simplify-rtx.c (simplify_relational_operation): Call
6717 simplify_relational_operation_1 even if mode is VOIDmode.
6719 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6721 PR tree-optimization/26804
6722 * tree.h (DECL_CALL_CLOBBERED): New macro.
6723 (tree_decl_common): Add call_clobbered_flag.
6724 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6725 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6726 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6727 (mark_non_addressable): Ditto.
6728 * tree-ssa.c (verify_call_clobbered): New function.
6729 (verify_alias_info): Use it.
6730 * tree-pass.h (pass_reset_cc_flags): New prototype.
6731 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6732 (reset_cc_flags): New function.
6733 * passes.c (init_optimization_passes): Call reset_cc_flags after
6734 initializing referenced_vars.
6736 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6737 Roger Sayle <roger@eyesopen.com>
6739 PR middle-end/26717
6740 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6741 to 1.0 for non-real operands. Implement A / A optimization for
6742 complex operands.
6744 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6746 * config/i386/i386.c (size_cost): Correct the comment for
6747 cost of storing fp registers.
6748 (i386_cost): Likewise.
6749 (i486_cost): Likewise.
6750 (pentium_cost): Likewise.
6751 (pentiumpro_cost): Likewise.
6752 (k6_cost): Likewise.
6753 (athlon_cost): Likewise.
6754 (k8_cost): Likewise.
6755 (pentium4_cost): Likewise.
6756 (nocona_cost): Likewise.
6757 (generic64_cost): Likewise.
6758 (generic32_cost): Likewise.
6760 2006-03-24 Denis Chertykov <denisc@overta.ru>
6762 * config/avr/avr-protos.h (extra_constraint): Delete.
6763 (extra_constraint_Q): New declaration.
6764 * config/avr/constraints.md: New file.
6765 * config/avr/avr.md: Include it.
6766 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6767 (TMP_REGNO, ZERO_REGNO): Likewise.
6768 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6769 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6770 (extra_constraint): Delete.
6771 (extra_constraint_Q): Test for memory constraint 'Q'.
6772 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6773 (REG_CLASS_FROM_LETTER): Delete.
6774 (CONST_OK_FOR_LETTER_P): Delete.
6775 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6776 (EXTRA_CONSTRAINT): Delete.
6777 (TMP_REGNO): Delete.
6778 (ZERO_REGNO): Delete.
6780 2006-03-24 Jeff Law <law@redhat.com>
6782 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6783 directly. Call mark_new_vars_to_rename slightly earlier.
6785 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6787 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6788 (is_cxx): Likewise.
6789 (gen_compile_unit_die): Use new language types for Objective-C and
6790 Objective-C++.
6791 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6792 DW_LANG_C_plus_plus.
6794 PR 26793
6795 * config/t-darwin (crt3.o): Work around bug 26840.
6796 * config/darwin-crt3.c: Rewrite.
6797 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6799 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6801 * doc/invoke.texi: Document -femit-class-debug-always
6802 * common.opt: Add -femit-class-debug-always.
6804 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6806 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6807 index and base register.
6808 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6809 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6810 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6811 REGNO_OK_FOR_INDEX_P.
6812 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6813 ADDR_REGNO_P.
6814 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6815 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6816 REG_OK_FOR_BASE_P): Definitions removed.
6818 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6820 PR middle-end/26611
6821 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6822 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6823 set yet or weren't marked as local yet.
6825 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6827 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6828 the compiler.
6830 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6832 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6833 (rs6000_legitimate_small_data_p): Delete.
6834 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6835 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6836 and make static. Add forward declaration. Update uses.
6837 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6838 of offsettable_memref_p.
6839 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6840 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6842 2006-03-24 Jeff Law <law@redhat.com>
6844 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6845 around bug in immediate-use iterator.
6847 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6849 PR target/26607
6850 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6851 or __LITTLE_ENDIAN__.
6853 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6855 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6856 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6857 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6858 * config/sh/sh.opt (mdiv=): Amend description.
6859 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6860 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6861 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6862 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6863 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6864 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6865 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6866 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6867 TARGET_DIVIDE_CALL_FP.
6869 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6871 * haifa-sched.c (choose_ready): Fix type of the local variable.
6872 Move local variables. Add comment.
6873 (check_reg_live): Change signature. Make callable from debugger.
6874 * sched-int.h (check_reg_live): Update signature.
6875 * sched-ebb.c (check_reg_live): Update parameters.
6876 * sched-rgn.c (check_reg_live): Ditto.
6877 (region_head_or_leaf_p): Check pointer before dereferencing.
6878 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6879 before reload on optimization levels below 1.
6881 2006-03-23 Richard Henderson <rth@redhat.com>
6883 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6884 tls symbols.
6886 PR target/26347
6887 * config/alpha/predicates.md (local_symbolic_operand): Reject
6888 weak symbols.
6890 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6892 PR tree-opt/26795
6893 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6894 expressions which have overflowed constants.
6896 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6898 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6900 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6902 * cfgloopmanip.c (create_loop_notes): Removed.
6903 * final.c (final_scan_insn): Do not handle loop notes.
6904 * jump.c (squeeze_notes): Ditto.
6905 * cfglayout.c (skip_insns_after_block,
6906 duplicate_insn_chain): Ditto.
6907 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6908 create_loop_notes.
6909 * cfgloop.h (create_loop_notes): Declaration removed.
6911 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6913 * varasm.c (output_constant_pool): Restore fnname and fndecl
6914 arguments.
6915 (assemble_start_function): Adjust call accordingly.
6916 (assemble_end_function): Likewise.
6918 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6920 PR mudflap/26789
6921 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6923 PR mudflap/26790
6924 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6926 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6928 PR driver/22600
6929 * system.h (ICE_EXIT_CODE): New macro.
6930 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6931 (diagnostic_action_after_output): Likewise.
6932 * gcc.c (fatal_ice): New function.
6933 (execute): Use it instead of fatal.
6934 (fancy_abort): Likewise.
6935 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6937 2006-03-22 Jeff Law <law@redhat.com>
6939 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6940 iv_analyze_result returning false.
6942 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6944 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6946 2006-03-22 Richard Henderson <rth@redhat.com>
6948 PR middle-end/26084
6949 * except.c (duplicate_eh_regions_0): New.
6950 (duplicate_eh_region_1): Duplicate the children of the node as
6951 well as the node itself. Link them up properly.
6952 (duplicate_eh_region_2): Merge into ...
6953 (duplicate_eh_regions): ... here. Take copy_region argument, and
6954 copy only a sub-tree if asked. Simplify copying and fixup.
6955 (eh_region_outer_p): New.
6956 * except.h (duplicate_eh_regions): Update decl.
6957 (eh_region_outer_p): Declare.
6958 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6959 (lower_omp_master): Likewise.
6960 (lower_omp_ordered): Likewise.
6961 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6962 (move_stmt_r): Use it to remap labels. Handle recursion vs
6963 remap_decls_p properly.
6964 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6965 (find_outermost_region_in_block): New.
6966 (new_label_mapper): New.
6967 (move_sese_region_to_fn): Copy eh information to the new function
6968 properly.
6969 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6970 argument.
6971 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6972 number.
6974 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6976 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6977 into shared libraries.
6979 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6981 * doc/md.texi: Refer to i386/constraints.md instead of
6982 i386/predicates.md.
6983 * config/i386/constraints.md: New file, extracted from...
6984 * config/i386/predicates.md: ...here.
6985 * config/i386/i386.md: Include constraints.md.
6987 2006-03-21 Jason Merrill <jason@redhat.com>
6989 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6991 PR middle-end/20297
6992 * expr.c (init_block_move_fn): Force default visibility.
6993 (init_block_clear_fn): Likewise.
6994 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6995 * targhooks.c (default_external_stack_protect_fail): Likewise.
6997 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6999 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7000 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7001 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7002 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7003 (loadgp): Use mips_current_loadgp_style.
7004 (loadgp_noshared): New pattern.
7005 (sibcall_internal): Use MIPS_CALL.
7006 (sibcall_value_internal): Likewise.
7007 (sibcall_value_multiple_internal): Likewise.
7008 (call_internal): Likewise.
7009 (call_value_internal): Likewise.
7010 (call_value_multiple_internal): Likewise.
7011 (call_split): Use MIPS_CALL and add an 'S' constraint.
7012 (call_value_split): Likewise.
7013 (call_value_multiple_split): Likewise.
7014 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7015 (-mshared): New option.
7016 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7017 (mips_current_loadgp_style): Declare.
7018 * config/mips/mips.c (mips_classify_symbol): Avoid using
7019 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7020 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7021 TARGET_ABSOLUTE_ABICALLS.
7022 (override_options): Adjust comments. Improve the warning that is
7023 issued when -mabicalls and -G are used together.
7024 (mips_file_start): Remove comment.
7025 (mips_current_loadgp_style): New function.
7026 (mips_gnu_local_gp): New variable.
7027 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7028 LOADGP_ABSOLUTE.
7029 (mips_output_function_prologue): Use mips_current_laodgp_style.
7030 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7031 the cprestore instruction.
7032 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7033 live for TARGET_ABSOLUTE_ABICALLS.
7034 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7035 (ASM_SPEC): Pass down -mshared and -mno-shared.
7036 (MIPS_CALL): New macro.
7037 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7038 definition.
7039 * doc/invoke.texi (-mabicalls): Update documentation.
7040 (-mshared): Document.
7042 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7044 * config/ia64/unwind-hpux.c: New file.
7045 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7047 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7049 PR libgomp/26384
7050 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7052 2006-03-21 Jeff Law <law@redhat.com>
7054 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7055 type conversions of a VR_VARYING source to a wider type.
7057 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7059 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7060 tm_file on Solaris 10 and later.
7061 (sparc64-*-solaris2*): Likewise.
7062 (sparc-*-solaris2*): Likewise.
7063 * config/sol26.h: Rename to config/sol2-6.h.
7064 * config/sol2-10.h: New file.
7066 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7068 PR tree-opt/26781
7069 * tree-ssa-pre.c (create_component_ref_by_pieces):
7070 Handle STRING_CST.
7072 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7074 PR c++/26690
7075 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7076 return it immediately.
7078 2006-03-21 Michael Matz <matz@suse.de>
7080 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7081 New members.
7082 (remove_arc, add_arc): Update num_out_arcs member.
7083 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7084 of out arcs.
7085 (cache_presence): New function.
7086 (compare_states_for_equiv): New function.
7087 (state_is_differed): Don't take number of outargs, adjust callers.
7088 Use new invariant for speeding up.
7089 (init_equiv_class): Create initial classes based on sorted
7090 input.
7091 (partition_equiv_class): Don't track out_arcs_num.
7092 (evaluate_equiv_classes): Call cache_presence on all states and
7093 sort them.
7095 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7097 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7098 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7099 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7100 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7101 callers changed.
7102 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7103 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7104 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7105 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7106 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7107 macros.
7108 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7109 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7110 (REGNO_REG_CLASS): ARGP is in PREGS.
7111 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7112 IREGS.
7113 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7114 to deal with those addresses.
7115 * addresses.h: New file.
7116 * caller-save.c: Include "addresses.h".
7117 (init_caller_save): Use new base_reg_class function.
7118 * rtl-factoring.c: Include "addresses.h".
7119 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7120 * recog.c: Include "addresses.h".
7121 (preprocess_constraints): Use new base_reg_class function.
7122 * regrename.c: Include "addresses.h".
7123 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7124 functions. Keep track of a new var INDEX_CODE to compute valid
7125 classes.
7126 (replace_oldest_value_addr): Likewise.
7127 (replace_oldest_value_mem): Use base_reg_class.
7128 * reload.c: Include "addresses.h".
7129 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7130 (find_reloads): Use new base_reg_class function.
7131 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7132 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7133 all callers and prototype changed.
7134 * reload1.c: Include "addresses.h".
7135 (maybe_fix_stack_asms): Use base_reg_class.
7136 * regclass.c: Include "addresses.h".
7137 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7138 (init_reg_autoinc): Use new base_reg_class function.
7139 (record_reg_classes): Likewise.
7140 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7141 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7142 Use new args to compute necessary class.
7144 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7145 regrename.o, rtl-factoring.o): Update dependencies.
7146 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7147 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7148 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7149 REG_OK_FOR_INDEX_P): Delete documentation.
7151 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7153 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7154 from V7 to V9 for Solaris 7 and above.
7156 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7158 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7159 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7160 argument pointers may not alias any other storage.
7161 * common.opt: Define option -fargument-noalias-anything.
7162 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7163 alias semantics is specified by flag_argument_noalias > 2.
7165 2006-03-20 Jeff Law <law@redhat.com>
7167 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7168 (pass_phi_only_cprop): Declare.
7169 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7170 with phi_only_cprop
7171 * tree-ssa-dom.c (degenerate_phi_result): New function.
7172 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7173 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7174 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7175 (eliminate_degenerate_phis): Likewise.
7176 (pass_phi_only_cprop): New pass descriptor.
7177 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7178 support code. Callers updated.
7179 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7180 (store_copy_prop): Likewise.
7181 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7183 2006-03-20 Jason Merrill <jason@redhat.com>
7185 PR c++/21764
7186 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7187 (push_visibility, pop_visibility): Likewise.
7188 * c-pragma.h: Declare them.
7190 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7192 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7194 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7195 parameter and use get_ebb_head_tail.
7196 (sh_md_init_global): Adjust uses of find_regmode_weight.
7198 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7200 * function.h (struct function) <x_tail_recursion_reentry>:
7201 Rename to x_stack_check_probe_note.
7202 (tail_recursion_reentry): Rename to stack_check_probe_note.
7203 * function.c: Replace tail_recursion_reentry with
7204 stack_check_probe_note everywhere.
7205 (expand_function_start): Only emit a note for
7206 stack_check_probe_note with -fstack-protect.
7207 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7209 * emit-rtl.c (remove_unnecessary_notes): Remove.
7210 (pass_remove_unnecessary_notes): Remove.
7211 * rtl.h (remove_unnecessary_notes): Remove prototype.
7212 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7213 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7214 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7216 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7218 PR tree-opt/26629
7219 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7220 (valid_in_set): Handle ARRAY_REF.
7221 Change "if min_variant or VH" to asserts.
7222 (create_component_ref_by_pieces): Handle ARRAY_REF.
7223 (create_expression_by_pieces): Likewise.
7224 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7226 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7228 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7229 is operand of switch, not str[0].
7231 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7233 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7234 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7236 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7238 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7239 end of insn_extra_address_constraint declaration.
7241 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7243 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7244 (no-sum-in-toc): Same.
7245 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7246 variables.
7247 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7248 NO_FP_IN_TOC for -fPIC instead of mask.
7250 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7251 (BOOT_LDFLAGS): Delete.
7252 (LDFLAGS): Delete.
7253 * config/rs6000/t-aix52: Same.
7255 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7256 (stmsi[345678]_power): New.
7258 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7260 * config/ia64/ia64.opt: Add empty line to end of file.
7262 2006-03-17 Richard Guenther <rguenther@suse.de>
7264 PR middle-end/26721
7265 * builtins.c (get_pointer_alignment): For component style references
7266 adjust alignment to the component type alignment. Make sure
7267 to adjust alignment for component access of constants.
7269 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7271 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7272 unconditional jump.
7274 2006-03-17 Paul Brook <paul@codesourcery.com>
7276 * doc/install.texi: Docuemnt --with-mode.
7277 * config.gcc: Add --with-mode for arm*-*-*.
7278 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7280 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7282 * sh.c (max_labelno_before_reorg): New variable.
7283 (sh_reorg): Initialize it.
7284 (find_barrier): Check max_labelno_before_reorg before using
7285 label_to_alignment. Take length of explicit alignment insns
7286 into account. When seeing a UNSPECV_CONST_END, return it.
7288 * sh.c (fixup_mova): Set mode of affected label to QImode.
7289 (untangle_mova): New function.
7290 (find_barrier): Use it. Check mode of label before decrementing
7291 num_mova.
7292 (sh_reorg): Likewise.
7293 Set mode of all insns back to VOIDmode.
7295 * sh.c (MOVA_LABELREF): New macro.
7296 (mova_p, fixup_mova, sh_reorg): Use it.
7297 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7298 ADDR_DIFF_VEC matches mova.
7300 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7302 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7303 with ATTRIBUTE_UNUSED.
7305 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7307 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7308 pointer, instead of assuming it is possible to derive the
7309 correct args size from a call insn.
7311 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7313 * rtl.h (CONST_INT_P): Define.
7314 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7315 instead of GET_CODE(x) == CONST_INT.
7316 (vax_rtx_costs): Likewise.
7317 (vax_output_int_move): Likewise.
7318 (vax_output_int_add): Likewise.
7319 (legitimate_constant_address_p): Likewise.
7320 (index_term_p): Likewise.
7321 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7322 * config/vax/vax.md (and<mode>3): Likewise.
7323 (ashrsi3): Likewise.
7324 (extv): Likewise.
7325 (movstricthi): Likewise.
7326 (movstrictqi): Likewise.
7327 (rotrsi3): Likewise.
7328 (five unnamed insns): Likewise.
7330 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7332 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7333 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7334 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7335 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7336 Pass to ASM_OUTPUT_DWARF_OFFSET.
7337 * dwarf2out.c (debug_frame_section): New.
7338 (output_call_frame_info): Use debug_frame_section. Pass it to
7339 dw2_asm_output_offset.
7340 (output_die): Pass appropriate section to dw2_asm_output_offset.
7341 (output_compilation_unit_header): Likewise.
7342 (output_pubnames): Likewise.
7343 (output_aranges): Likewise.
7344 (enum dw_val_class): Break dw_val_class_lbl_offset into
7345 dw_val_class_lineptr and dw_val_class_macptr.
7346 (add_AT_lbl_offset): Delete.
7347 (add_AT_lineptr): New.
7348 (add_AT_macptr): New.
7349 (AT_lbl): Expect a lineptr or macptr.
7350 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7351 (attr_checksum): Likewise.
7352 (same_dw_val_p): Likewise.
7353 (size_of_die): Likewise.
7354 (value_format): Likewise.
7355 (output_die): Likewise.
7356 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7357 add_AT_lbl_offset.
7358 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7359 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7360 * config/darwin-protos.h (darwin_file_start): New.
7361 (darwin_asm_output_dwarf_offset): New.
7362 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7363 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7364 darwin_file_start.
7365 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7366 if not EH section; simplify.
7367 (darwin_file_start): New.
7368 (darwin_asm_output_dwarf_offset): New.
7369 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7370 mark as 'debug'.
7371 (DEBUG_INFO_SECTION): Likewise.
7372 (DEBUG_ABBREV_SECTION): Likewise.
7373 (DEBUG_ARANGES_SECTION): Likewise.
7374 (DEBUG_MACINFO_SECTION): Likewise.
7375 (DEBUG_LINE_SECTION): Likewise.
7376 (DEBUG_LOC_SECTION): Likewise.
7377 (DEBUG_PUBNAMES_SECTION): Likewise.
7378 (DEBUG_STR_SECTION): Likewise.
7379 (DEBUG_RANGES_SECTION): Likewise.
7380 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7381 (ASM_OUTPUT_DWARF_OFFSET): New.
7383 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7385 * config.gcc (tm_defines): Always add to previous value rather
7386 than replacing it.
7388 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7390 * config/mips/predicates.md (splittable_const_int_operand): New,
7391 split from move_operand.
7392 (splittable_symbolic_operand): New.
7393 (move_operand): Add commentary. Use splittable_const_int_operand.
7394 Inline mips_atomic_symbolic_constant_p.
7395 * config/mips/mips.md: Add combine splitters for handling moves
7396 of splittable_const_int_operands and splittable_symbolic_operands.
7397 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7398 (mips_split_symbol): Declare.
7399 (mips_move_integer): Declare.
7400 * config/mips/mips.c (mips_split_p): Make global.
7401 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7402 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7403 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7404 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7405 (mips_offset_within_object_p): Handle block symbols.
7406 (mips_atomic_symbolic_constant_p): Delete.
7407 (mips_cannot_force_const_mem): Return false for constants that
7408 mips_legitimize_move can handle.
7409 (mips_use_blocks_for_constant_p): New function.
7410 (mips_split_symbol): Make global.
7411 (mips_move_integer): Likewise. Add a temporary register argument.
7412 (mips_legitimize_const_move): Use splittable_const_int_operand and
7413 splittable_symbolic_operand.
7414 (mips_use_anchors_for_symbol_p): New function.
7415 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7416 (mips_split_p): Declare.
7418 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7420 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7421 (mips*-*-linux*): Likewise.
7423 2006-03-16 Roger Sayle <roger@eyesopen.com>
7424 Daniel Speyer <dspeyer@wam.umd.edu>
7426 PR middle-end/18259
7427 * tree-dump.c (dump_real): New function.
7428 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7429 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7430 (tree-dump.o): Add $(REAL_H) to the dependencies.
7432 2006-03-16 Roger Sayle <roger@eyesopen.com>
7434 PR middle-end/21781
7435 * real.c (real_from_string): If the mantissa is zero, don't bother
7436 parsing the exponent as the result should always be zero.
7438 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7440 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7442 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7444 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7445 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7446 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7447 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7448 ia64_sched_finish_global): New static functions to implement
7449 hooks from gcc_target.sched.
7450 (spec_check_no, max_uid, pending_data_specs): New static variables.
7451 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7452 ia64_spec_check_src_p): New static functions.
7453 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7454 (TARGET_SCHED_ADJUST_COST): Removed.
7455 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7456 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7457 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7458 TARGET_SCHED_GEN_CHECK,
7459 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7460 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7461 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7462 Fixed to handle speculation checks.
7463 (rtx_needs_barrier): Fixed to handle speculative loads and
7464 their checks.
7465 (ia64_variable_issue): Added code to count speculative loads and their
7466 checks.
7467 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7468 speculative loads.
7469 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7470 New enumerations.
7471 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7472 New constants.
7473 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7474 (ia64_reorg): Reset stops_p to NULL after it is freed.
7475 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7476 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7477 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7478 chk_a.
7479 (data_speculative, control_speculative, check_load): New attributes.
7480 (mov<mode>_advanced, mov<mode>_speculative,
7481 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7482 zero_extend<mode>di2_speculative,
7483 zero_extend<mode>di2_speculative_advanced): New patterns for
7484 data and control speculative loads.
7485 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7486 check loads.
7487 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7488 New pattern for data and control speculation checks.
7489 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7490 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7491 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7492 Auxiliary definitions for the patterns.
7493 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7494 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7495 constraints.
7496 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7497 for speculation.
7498 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7499 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7500 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7501 New resource constraints.
7502 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7503 for speculation.
7504 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7505 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7506 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7507 msched-in-control-spec, msched-ldc, msched-control-ldc,
7508 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7509 msched-prefer-non-control-spec-insns,
7510 msched-count-spec-in-critical-path): New flags to tune speculative
7511 scheduling.
7512 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7513 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7514 msched-in-control-spec, msched-ldc, msched-control-ldc,
7515 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7516 msched-prefer-non-control-spec-insns,
7517 msched-count-spec-in-critical-path): Document new flags.
7519 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7521 * target.h (struct spec_info_def): New opaque declaration.
7522 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7523 speculate_insn, needs_block_p, gen_check,
7524 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7525 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7526 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7527 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7528 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7529 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7530 gcc_target.sched.
7531 (TARGET_SCHED): Use new macros.
7532 * rtl.h (copy_DEPS_LIST_list): New prototype.
7533 * sched-int.h (struct sched_info): Change signature of new_ready field,
7534 adjust all initializations. New fields: add_remove_insn,
7535 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7536 region_head_or_leaf_p.
7537 (struct spec_info_def): New structure declaration.
7538 (spec_info_t): New typedef.
7539 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7540 recovery_block, orig_pat.
7541 (glat_start, glat_end): New variables declaraions.
7542 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7543 New access macros.
7544 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7545 DETACH_LIFE_INFO, USE_GLAT.
7546 (enum SPEC_SCHED_FLAGS): New enumeration.
7547 (NOTE_NOTE_BB_P): New macro.
7548 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7549 attach_life_info, debug_spec_status, check_reg_live): New functions.
7550 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7551 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7552 sched-ebb.c
7553 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7554 * ddg.c (get_block_head_tail): Adjust all uses.
7555 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7556 (sms_sched_info): Initialize new fields.
7557 (contributes_to_priority): Removed.
7558 * haifa-sched.c (params.h): New include.
7559 (get_block_head_tail): Adjust all uses.
7560 (ISSUE_POINTS): New macro.
7561 (glat_start, glat_end): New global variables.
7562 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7563 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7564 old_last_basic_block, before_recovery, current_sched_info_var,
7565 rgn_n_insns, luid): New static variables.
7566 (insn_cost1): New function. Move logic from insn_cost to here.
7567 (find_insn_reg_weight1): New function. Move logic from
7568 find_insn_reg_weight to here.
7569 (reemit_notes, move_insn, max_issue): Change signature.
7570 (move_insn1): Removed.
7571 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7572 extend_bb): New static functions to support extension of scheduler's
7573 data structures.
7574 (generate_recovery_code, process_insn_depend_be_in_spec,
7575 begin_speculative_block, add_to_speculative_block,
7576 init_before_recovery, create_recovery_block, create_check_block_twin,
7577 fix_recovery_deps): New static functions to support
7578 generation of recovery code.
7579 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7580 restore_bb_notes, move_block_after_check, move_succs): New static
7581 functions to support ebb scheduling.
7582 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7583 functions to support handling of register live information.
7584 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7585 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7586 add_jump_dependencies): New static functions.
7587 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7588 consistancy checking.
7589 (debug_spec_status): New function to call from debugger.
7590 (priority): Added code to handle speculation checks.
7591 (rank_for_schedule): Added code to distinguish speculative instructions.
7592 (schedule_insn): Added code to handle speculation checks.
7593 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7594 Fixed to handle ebbs.
7595 (move_insn): Added code to handle ebb scheduling.
7596 (max_issue): Added code to use ISSUE_POINTS of instructions.
7597 (choose_ready): Added code to choose between speculative and
7598 non-speculative instructions.
7599 (schedule_block): Added code to handle ebb scheduling and scheduling of
7600 speculative instructions.
7601 (sched_init): Initialize new variables.
7602 (sched_finish): Free new variables. Print statistics.
7603 (try_ready): Added code to handle speculative instructions.
7604 * lists.c (copy_DEPS_LIST_list): New function.
7605 * sched-deps.c (extend_dependency_caches): New function. Move logic
7606 from create_dependency_caches to here.
7607 (get_dep_weak, ds_merge): Make global.
7608 * genattr.c (main): Code to output prototype for
7609 dfa_clear_single_insn_cache.
7610 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7611 (output_dfa_clean_insn_cache_func): Code to output
7612 dfa_clear_single_insn_cache function.
7613 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7614 n_insns.
7615 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7616 Removed.
7617 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7618 New static variables.
7619 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7620 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7621 struct sched_info.
7622 (ebb_sched_info): Initialize new fields.
7623 (get_block_head_tail): Adjust all uses.
7624 (compute_jump_reg_dependencies): Fixed to use glat_start.
7625 (schedule_ebb): Code to remove unreachable last block.
7626 (schedule_ebbs): Added code to update register live information.
7627 * sched-rgn.c (region_sched_info): Initialize new fields.
7628 (get_block_head_tail): Adjust all uses.
7629 (last_was_jump): Removed. Adjust users.
7630 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7631 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7632 Implement new hooks.
7633 (check_dead_notes1): New static function.
7634 (struct region): New fields: dont_calc_deps, has_real_ebb.
7635 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7636 (BB_TO_BLOCK): Fixed to handle EBBs.
7637 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7638 (ebb_head): New static variable.
7639 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7640 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7641 new fields.
7642 (compute_dom_prob_ps): New assertion.
7643 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7644 global_live_at_start.
7645 (init_ready_list): New assertions.
7646 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7647 (new_ready): Add support for BEGIN_CONTROL speculation.
7648 (schedule_insns): Fixed code that updates register live information
7649 to handle EBBs.
7650 (schedule_region): Fixed to handle EBBs.
7651 (init_regions): Use extend_regions and check_dead_notes1.
7652 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7653 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7654 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7655 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7656 TARGET_SCHED_GEN_CHECK,
7657 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7658 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7659 * doc/invoke.texi (max-sched-insn-conflict-delay,
7660 sched-spec-prob-cutoff): Document.
7662 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7664 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7665 inter_tick, queue_index.
7666 (struct sched_info): Change signature of init_ready_list field.
7667 Adjust all initializations.
7668 (RESOLVED_DEPS): New access macro.
7669 (ready_add): Remove prototype.
7670 (try_ready): Add prototype.
7671 * sched-rgn.c (init_ready_list): Use try_ready.
7672 (schedule_region): Initialize
7673 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7674 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7675 (init_ready_list): Use try_ready.
7676 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7677 * lists.c (remove_list_elem): Remove `static'.
7678 (remove_free_INSN_LIST_elem): New function.
7679 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7680 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7681 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7682 New constants.
7683 (readyp): New variable.
7684 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7685 change_queue_index, resolve_dep): New static functions.
7686 (try_ready): New function. Adjust callers in sched-rgn.c and
7687 sched-ebb.c to use it instead of ready_add.
7688 (clock_var): Move at the begining of file.
7689 (rank_for_schedule): Fix typo.
7690 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7691 (ready_lastpos): Enforce assertion.
7692 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7693 update all callers.
7694 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7695 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7696 (queue_to_ready): Use free_INSN_LIST_list.
7697 (early_queue_to_ready): Fix typo.
7698 (schedule_block): Init readyp. Move init_ready_list call after the
7699 initialization of clock_var. Fix error in rejecting insn by
7700 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7701 that previously corrected INSN_TICKs. Add code for handling
7702 QUEUE_INDEX.
7703 (set_priorities): Fix typo.
7704 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7705 Clarify comment and code that keeps current_sched_info->next_tail
7706 non-null.
7708 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7710 * sched-rgn.c (extend_rgns): New static function.
7711 (find_rgns): Use it.
7712 (gather_region_statistics, print_region_statistics): New static
7713 functions.
7714 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7715 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7717 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7718 Andrey Belevantsev <abel@ispras.ru>
7720 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7721 * lists.c (unused_deps_list): New variable.
7722 (free_list): Add assertions to verify the proper distinguishing
7723 between INSN_LISTs and DEPS_LISTs.
7724 (find_list_elem, remove_list_elem, remove_list_node): New static
7725 functions.
7726 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7727 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7728 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7729 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7730 an INSN_LIST.
7731 (free_INSN_LIST_node): Likewise.
7732 * modulo-sched.c (current_sched_info): Initialize flags field.
7733 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7734 * rtl.def (DEPS_LIST): Define.
7735 * rtl.h: Declare new functions from lists.c.
7736 * sched-deps.c (spec_dependency_cache): New static variable.
7737 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7738 (add_dependence): Change return type to void. Move the logic to ...
7739 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7740 (delete_all_dependences): Add comment about forward_dependency_cache.
7741 Handle spec_dependency_cache. Handle DEPS_LISTs.
7742 (fixup_sched_groups): Clarify the change of priority of output
7743 and anti dependencies.
7744 (sched_analyze_2): Adjust add_dependence calls to create data
7745 speculative dependence.
7746 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7747 Adjust all callers. Handle DEPS_LISTS.
7748 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7749 presence of speculation.
7750 (init_dependency_caches, free_dependency_caches):
7751 Handle spec_dependency_cache.
7752 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7753 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7754 New static functions.
7755 (add_or_update_back_dep, add_or_update_back_forw_dep,
7756 add_back_forw_dep, delete_back_forw_dep): New functions.
7757 * sched-int.h (ds_t, dw_t): New typedefs.
7758 (struct sched_info): Add new field flags.
7759 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7760 Prototype new sched-deps.c functions.
7761 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7762 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7763 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7764 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7765 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7766 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7767 New constants.
7768 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7769 New enums.
7770 * sched-rgn.c (current_sched_info): Initialize flags field.
7771 (schedule_insns): Initialize current_sched_info before the sched_init
7772 call.
7773 * sched-ebb.c (current_sched_info): Initialize flags field.
7774 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7775 Call add_or_update_back_dep instead of add_dependence.
7776 Create control speculative dependencies.
7777 (schedule_insns): Initialize current_sched_info before the sched_init
7778 call.
7780 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7782 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7783 fs->signal_frame.
7784 (sh_fallback_frame_state): Likewise.
7786 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7788 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7789 Do switch on default_use_cxa_atexit.
7790 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7791 * config/darwin-crt3.o: New.
7792 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7793 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7794 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7795 OS version.
7796 * config/rs6000/t-darwin: Move crt2.o building to here.
7797 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7798 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7799 of __cxa_atexit.
7801 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7803 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7804 from '! xxx' to '!xxx' for coding-style conformance.
7805 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7806 (EXTRA_CONSTRAINT): Likewise.
7807 * config/vax/vax.md (four unnamed insns): Likewise.
7809 2006-03-15 Paul Brook <paul@codesourcery.com>
7811 * config/arm/arm.c (minipool_pad): New.
7812 (add_minipool_forward_ref): Include pool alignment padding in address
7813 calculation.
7814 (push_minipool_fix): Set minipool_pad.
7815 (minipool_pad): Ditto.
7817 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7819 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7820 instead of GET_CODE() == MEM and REG_P() instead of
7821 GET_CODE() == REG.
7822 (print_operand_address): Likewise.
7823 (vax_address_cost): Likewise.
7824 (vax_rtx_costs): Likewise.
7825 (vax_notice_update_cc): Likewise.
7826 (vax_output_int_add): Likewise.
7827 (INDEX_REGISTER_P): Likewise.
7828 (BASE_REGISTER_P): Likewise.
7829 (nonindexed_address_p): Likewise.
7830 (vax_mode_dependent_address_p): Likewise.
7831 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7832 (PRINT_OPERAND): Likewise.
7833 * config/vax/vax.md (ashlsi3): Likewise.
7834 (ashlsi3): Likewise.
7835 (some more unnamed insns): Likewise.
7837 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7839 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7840 iterator-style macro.
7841 (mark_control_dependent_edges_necessary): Update the use of
7842 EXECUTE_IF_CONTROL_DEPENDENT.
7844 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7846 * config/sh/predicates.md (cache_address_operand): Special.
7847 (ua_address_operand): Likewise.
7849 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7851 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7852 loop notes.
7853 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7855 2006-03-15 Andreas Schwab <schwab@suse.de>
7857 * gensupport.c (identify_predicable_attribute): Don't free p_false
7858 when it is still in use.
7860 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7862 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7863 the default setting here.
7865 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7867 * tree-pass.h (pass_cfg): Remove.
7868 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7869 * passes.c (pass_cfg): Don't run it.
7871 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7873 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7874 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7875 VEC(char,heap) *.
7876 (stack_regs_mentioned): Update the uses of
7877 stack_regs_mentioned_data. Don't access the array beyond its
7878 end.
7879 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7880 Don't include gt-reg-stack.h.
7882 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7883 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7885 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7887 PR middle-end/26684
7888 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7889 STACK_REGS.
7891 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7893 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7895 2006-03-14 Richard Guenther <rguenther@suse.de>
7897 PR tree-optimization/26672
7898 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7899 SSA form.
7901 2006-03-14 Richard Guenther <rguenther@suse.de>
7903 PR tree-optimization/26667
7904 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7905 node for the callees. Always allow inlining if it will shrink
7906 the function size.
7908 2006-03-14 Richard Guenther <rguenther@suse.de>
7910 PR middle-end/26659
7911 * builtins.c (get_pointer_alignment): Prefer alignment
7912 information from decls over that from types.
7914 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7916 PR target/26657
7917 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7919 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7921 * config/rs6000/rs6000.opt (mdlmzb): New option.
7922 (msched-prolog, msched-epilog): Use Var not Mask.
7923 * doc/invoke.texi (-mdlmzb): Document.
7924 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7925 MASK_SCHED_PROLOG.
7926 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7927 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7929 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7931 PR rtl-optimization/25739
7932 * bt-load.c (augment_live_range): Free tos pointer.
7934 * gensupport.c (identify_predicable_attribute): Free
7935 p_false pointer.
7936 * gcov.c (create_file_names): Free name pointer.
7938 2006-03-13 Roger Sayle <roger@eyesopen.com>
7940 PR middle-end/26557
7941 * stmt.c (emit_case_nodes): Handle the case where the index is a
7942 CONST_INT, where the comparison mode is specified by the index type.
7944 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7946 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7947 is defined.
7949 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7951 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7952 (*branch_fp_inverted): Likewise.
7954 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7956 PR middle-end/25989
7957 * omp-low.c (expand_omp_for_generic): Mark istart0
7958 and iend0 as addressable.
7960 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7962 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7964 2006-03-13 Jeff Law <law@redhat.com>
7966 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7967 virtual operands are interesting.
7968 (vrp_visit_stmt): Corresponding changes.
7970 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7972 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7973 of RETS.
7974 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7975 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7976 * config/bfin/crti.S: Use it instead of __PIC__.
7977 * config/bfin/crtn.S: Likewise.
7979 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7980 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7981 not if flag_pic.
7982 Lose 'G' modifier for call operand.
7983 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7984 recognize 'G' modifier.
7986 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7988 PR middle-end/18859
7989 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7990 * stmt.c (expand_case): Likewise.
7992 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7994 PR rtl-optimization/26254
7995 * loop-invariant.c (seq_insns_valid_p): New function.
7996 (move_invariant_reg): Only emit new code if it is valid.
7998 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8000 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8001 Removed.
8002 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8003 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8004 (commit_one_edge_insertion): Do not look for loop notes.
8006 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8008 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8009 flag_test_coverage out of loop.
8011 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8013 * final.c (shorten_branches): Remove outdated comment, and turn
8014 the if branch that guards it to continue.
8016 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8018 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8019 * cfgloop.h (struct loop): Remove unused fields.
8021 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8023 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8024 (-dL, -fdump-rtl-loop2): Update the dump file names
8026 * doc/invoke.texi: Update dump file names.
8028 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8030 * predict.c (estimate_probability): Remove.
8031 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8032 * basic-block.h (estimate_probability): Remove prototype.
8033 * passes.c (finish_optimization_passes): Dump branch prediction or
8034 profiling heuristics to the .profile tree dump.
8035 (init_optimization_passes): Unqueue pass_branch_prob.
8037 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8039 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8041 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8042 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8044 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8046 * function.h (frame_offset_overflow): Declare.
8047 * function.c (frame_offset_overflow): New function.
8048 (assign_stack_local_1): Call it to detect that the offset overflows.
8049 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8051 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8053 * config/sh/sh.c: Include alloc-pool.h.
8054 (label_ref_list_pool): New alloc pool.
8055 (label_ref_list_t): New type for lists of labels.
8056 (struct pool_node): Make wend a label_ref_list_t.
8057 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8058 references.
8059 (dump_table): Likewise.
8060 (sh_reorg): Set up the alloc pool before using add_constant and
8061 dump_table, and destroy it when finishing.
8063 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8065 * config/mips/mips.c: Remove redundant comment.
8067 2006-03-10 Jason Merrill <jason@redhat.com>
8069 PR c/26004
8070 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8071 the target was declared 'register'.
8073 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8075 * genpreds.c (write_insn_constraint_len): Change definition of
8076 insn_constraint_len to return size_t to match the declaration.
8078 2006-03-10 DJ Delorie <dj@redhat.com>
8080 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8081 start at zero.
8082 (m32c_expand_insv): Fix test for an AND mask.
8084 2006-03-10 Richard Guenther <rguenther@suse.de>
8086 PR middle-end/26565
8087 * builtins.c (get_pointer_alignment): Handle component
8088 references for field alignment.
8090 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8092 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8093 when building with libgloss.
8094 (sh*elf): Implement --without-fp option.
8095 (sh64-superh-linux*): Don't multilib.
8097 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8099 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8101 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8103 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8104 Set it when one of the replacement functions returned true.
8105 Return TODO_cleanup_cfg if cfgchanged is true.
8106 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8108 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8110 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8111 instead of gen_lowpart.
8113 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8115 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8116 interface.
8117 (mips_output_order_conditional_branch): Declare.
8118 * config/mips/mips.h (MIPS_BRANCH): New macro.
8119 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8120 for the comparison. Use gen_condjump.
8121 (mips_output_conditional_branch): Rework interface to take the
8122 asm templates for a direct branch and the inverse of a direct branch.
8123 (mips_output_order_conditional_branch): New function.
8124 (mips_builtin_branch_and_move): New function.
8125 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8126 branch condition. Use gen_single_cc as the condition for
8127 __builtin_mips_upper_* or __builtin_mips_lower_*.
8128 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8129 Use VOIDmode for the branch condition.
8130 * config/mips/predicates.md (order_operator): New predicate.
8131 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8132 (branch_fp): Rename to...
8133 (*branch_fp): ...this. Remove mode from comparison operator.
8134 Use new mips_output_conditional_branch interface.
8135 (branch_fp_inverted): Rename to...
8136 (*branch_fp_inverted): ...this and update as for *branch_fp.
8137 (*branch_zero<mode>): Rename to...
8138 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8139 Use mips_output_order_conditional_branch. Only accept ordered
8140 comparisons.
8141 (*branch_zero<mode>_inverted): Rename to...
8142 (*branch_order<mode>_inverted): ...this and update as for
8143 *branch_order<mode>.
8144 (*branch_equality<mode>): Accept zero as the second operand to
8145 the equality operator. Use the new mips_output_conditional_branch
8146 interface.
8147 (*branch_equality<mode>_inverted): Likewise.
8148 (condjump): New expander.
8149 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8150 operator.
8151 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8152 (bc1any2t, bc1any2f): Likewise.
8153 (single_cc): New expander.
8154 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8156 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8158 * doc/md.texi: Update documentation of MIPS constraints.
8159 * config/mips/constraints.md: New file.
8160 * config/mips/mips.md: Include it.
8161 * config/mips/mips.c (mips_char_to_class): Delete.
8162 (override_options): Don't initialize mips_char_to_class.
8163 * config/mips/mips.h (mips_char_to_class): Delete.
8164 (REG_CLASS_FROM_LETTER): Delete.
8165 (CONST_OK_FOR_LETTER_P): Delete.
8166 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8167 (EXTRA_CONSTRAINT_Y): Delete.
8168 (EXTRA_CONSTRAINT_STR): Delete.
8169 (CONSTRAINT_LEN): Delete.
8170 (EXTRA_MEMORY_CONSTRAINT): Delete.
8172 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8174 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8175 original fn's eh regions.
8177 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8179 * fold-const.c (build_range_check): Make sure to use a valid type to
8180 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8181 transformation.
8183 (range_predecessor): New static function.
8184 (range_successor): Likewise.
8185 (merge_ranges): Use them to compute predecessors and successors of
8186 range bounds.
8188 2006-03-09 Roger Sayle <roger@eyesopen.com>
8190 PR middle-end/26561
8191 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8192 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8194 2006-03-08 DJ Delorie <dj@redhat.com>
8196 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8197 (addpsi3): Expand to include memory operands. Remove
8198 reload-specific splits.
8199 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8200 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8201 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8202 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8203 (shift1_qi, shift1_hi, insv): New.
8204 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8205 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8206 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8207 cond_to_int): New.
8208 * config/m32c/m32c-protos.h: Update as needed.
8209 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8210 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8211 Fail for unrecognized R* constraints.
8212 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8213 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8214 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8215 Add Sp constraint.
8216 (m32c_init_libfuncs): New.
8217 (m32c_legitimate_address_p): Add debug wrapper.
8218 (m32c_rtx_costs): New.
8219 (m32c_address_cost): New.
8220 (conversions): Add 'B' prefix.
8221 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8222 operands, or word regnames for QI operands. 'B' prints bit
8223 position.
8224 (m32c_expand_setmemhi): New.
8225 (m32c_expand_movmemhi): New.
8226 (m32c_expand_movstr): New.
8227 (m32c_expand_cmpstr): New.
8228 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8229 (m32c_expand_neg_mulpsi3): Handle non-ints.
8230 (m32c_cmp_flg_0): New.
8231 (m32c_expand_movcc): New.
8232 (m32c_expand_insv): New.
8233 (m32c_scc_pattern): New.
8234 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8235 a0/a1 out of SIregs.
8236 (STORE_FLAG_VALUE): New.
8237 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8238 code macros.
8239 (no_insn): New.
8240 * config/m32c/mov.md: Make constraints more liberal.
8241 (zero_extendqihi2): Optimize r0/r1 case.
8242 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8243 * config/m32c/predicates.md (m32c_any_operand): New.
8244 (m32c_nonimmediate_operand): New.
8245 (m32c_hl_operand): New.
8246 (m32c_r3_operand): New.
8247 (ap_operand): New.
8248 (ma_operand): New.
8249 (memsym_operand): New.
8250 (memimmed_operand): New.
8251 (a_qi_operand): New.
8252 (m32c_eqne_operator): New.
8253 (m32c_1bit8_operand): New.
8254 (m32c_1bit16_operand): New.
8255 (m32c_1mask8_operand): New.
8256 (m32c_1mask16_operand): New.
8257 * config/m32c/blkmov.md: New file.
8258 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8260 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8262 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8263 unsigned to fix signed/unsigned comparison issue in
8264 DWARF2_FRAME_REG_OUT.
8265 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8266 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8268 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8269 of ptr into the ENABLE_CHECKING section.
8271 2006-03-08 Jeff Law <law@redhat.com>
8273 * tree-vrp.c (infer_value_range): Only count pointer uses
8274 and dereferences if -fdelete-null-pointer-checks is enabled.
8276 * tree-vrp.c (find_assert_locations): Infer value ranges for
8277 single use pointers, but do not create ASSERT_EXPRs for them.
8278 When a non-null range is inferred for a pointer, backwards
8279 propagate that range to other equivalent pointers through the
8280 use-def chain.
8282 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8284 PR bootstrap/26500
8285 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8286 language hook targets.
8287 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8288 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8289 if language hook targets were missing.
8291 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8293 * tree-ssa-opfinalize.h: Removed.
8294 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8295 dependency.
8296 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8297 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8298 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8299 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8300 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8301 finalize_ssa_v_must_def_ops): New.
8303 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8305 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8306 block as parameter.
8308 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8310 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8312 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8313 addresses with offsets; reorganize.
8315 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8316 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8317 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8319 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8321 PR target/26588
8322 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8324 2006-03-08 Ben Elliston <bje@au.ibm.com>
8326 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8328 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8330 PR gomp/26238
8331 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8332 expansion.
8334 2006-03-07 Richard Guenther <rguenther@suse.de>
8336 PR tree-optimization/26587
8337 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8339 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8341 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8343 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8345 * hooks.c (hook_bool_mode_rtx_true): New function.
8346 * hooks.h (hook_bool_mode_rtx_true): Declare.
8347 * toplev.c (compile_file): Call output_shared_constant_pool.
8348 * varasm.c (shared_constant_pool): New variable.
8349 (assemble_start_function, assemble_end_function): Remove arguments
8350 from call to output_constant_pool.
8351 (create_constant_pool): New function, split out from...
8352 (init_varasm_status): ...here.
8353 (force_const_mem): Choose between the shared and per-function constant
8354 pools. Set current_function_uses_const_pool when reusing old entries
8355 as well as when creating new ones.
8356 (mark_constant): Ignore data argument.
8357 (mark_constants): Remove pool argument.
8358 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8359 to decide whether the function uses a constant pool.
8360 (output_constant_pool_contents): New function, split out from...
8361 (output_constant_pool): ...here.
8362 (output_shared_constant_pool): New function.
8363 (init_varasm_once): Initialize shared_constant_pool.
8364 * output.h (output_constant_pool): Delete.
8365 (output_shared_constant_pool): Declare.
8366 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8367 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8369 2006-03-06 Nick Clifton <nickc@redhat.com>
8371 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8372 flag_strength_reduce.
8374 2006-03-06 Ben Elliston <bje@au.ibm.com>
8376 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8377 x86_64-*-linux* configurations.
8379 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8380 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8382 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8384 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8385 Remove.
8386 * basic-block.h: Remove the extern for
8387 rediscover_loops_after_threading.
8389 * cfgloop.c (cancel_loop): Make it static.
8390 * cfgloop.h: Remove the prototype for cancel_loop.
8392 * flow.c (recompute_reg_usage): Make it static.
8393 * rtl.h: Remove the prototype for recompute_reg_usage.
8395 * function.c (use_return_register): Make it static.
8396 * function.h: Remove the prototype.
8398 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8400 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8401 Remove.
8402 * recog.h: Remove the prototype for
8403 validate_change_maybe_volatile.
8405 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8407 * rtlanal.c (replace_reg): Remove.
8408 * rtl.h: Remove the prototype for replace_reg.
8410 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8412 * regclass.c (reg_scan_update): Remove.
8413 (reg_scan_mark_refs): Remove the last argument.
8414 * rtl.h: Remove the prototype for reg_scan_update.
8416 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8418 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8419 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8420 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8421 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8422 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8423 loop-invariant.c, omp-low.c, opts.c, passes.c,
8424 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8425 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8426 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8427 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8428 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8429 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8433 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8434 * dwarf2out.h: Remove the prototype for
8435 dwarf2out_add_library_unit_info.
8437 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8439 * tree.c (add_var_to_bind_expr): Remove.
8440 * tree.h: Remove the prototype for add_var_to_bind_expr.
8442 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8444 * regclass.c (n_non_fixed_regs): Remove.
8445 (init_reg_sets_1, globalize_reg): Remove all uses of
8446 n_non_fixed_regs.
8447 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8449 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8451 * rtlanal.c (insns_safe_to_move_p): Remove.
8452 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8454 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8456 * expmed.c (expand_mult_add): Remove.
8457 * expr.h: Remove the prototype for expand_mult_add.
8459 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8461 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8462 and REG_SAVED_VAL_EXP constants.
8463 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8464 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8465 Handle regs stored by value.
8466 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8467 (execute_cfa_program): Handle DW_CFA_val_offset,
8468 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8469 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8470 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8471 (uw_install_context_1): Handle target regs stored by value.
8473 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8475 * tree-sra.c (tree_sra): Return todoflags;
8476 (generate_one_element): Set TODO_update_smt_usage if needed.
8477 (pass_sra): Remove TODO_update_smt_usage.
8478 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8479 parameter.
8480 (tree_ssa_forward_propagate_single_use_vars): Return
8481 TODO_update_smt_usage if we need to update SMT usage.
8482 (pass_forwprop): Remove TODO_update_smt_usage.
8484 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8486 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8487 (correct_use_link): Remove reference to get_stmt_operands.
8488 (update_stmt_operands): Likewise.
8489 (get_modify_expr_operands): New function factored out of
8490 parse_ssa_operands and get_expr_operands.
8491 Try to create V_MUST_DEFs for LHS by default.
8492 (get_expr_operands) <case MODIFY_EXPR>: Call
8493 get_modify_expr_operands.
8494 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8495 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8496 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8497 get_modify_expr_operands.
8499 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8501 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8502 * tree-flow.h: Remove the prototype for
8503 referenced_var_lookup_if_exists.
8505 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8507 PR rtl-optimization/26345
8508 PR target/19061
8509 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8511 2006-03-03 Roger Sayle <roger@eyesopen.com>
8513 PR tree-optimization/26524
8514 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8515 fold_convert to create a constant of the appropriate type.
8517 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8519 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8520 SYMBOL_REF_IN_BLOCK_P.
8521 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8522 of SYMBOL_FLAG_IN_BLOCK.
8523 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8524 instead of SYMBOL_REF_IN_BLOCK_P.
8525 * explow.c (use_anchored_address): Likewise.
8526 * rtl.c (rtx_size): Likewise.
8527 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8528 instead of SYMBOL_FLAG_IN_BLOCK.
8529 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8530 SYMBOL_REF_IN_BLOCK_P.
8531 (assemble_variable): Likewise.
8532 (output_constant_def_contents): Likewise.
8533 (output_constant_pool): Likewise.
8534 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8535 instead of SYMBOL_FLAG_IN_BLOCK.
8536 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8537 SYMBOL_REF_IN_BLOCK_P.
8538 (SYMBOL_REF_BLOCK): Likewise.
8539 (SYMBOL_REF_OFFSET): Likewise.
8540 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8541 SYMBOL_REF_IN_BLOCK_P.
8542 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8543 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8544 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8545 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8547 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8549 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8551 2006-03-02 Roger Sayle <roger@eyesopen.com>
8553 * simplify-rtx.c (simplify_unary_operation): When simplifying
8554 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8555 that we perform the right shift in the appropriate mode, and
8556 then extend or truncate the result to requested mode.
8558 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8560 * gengtype.c (main): Handle double_int type.
8561 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8562 * double-int.c: New file.
8563 * double-int.h: New file.
8564 * system.h: Include doubleint.h.
8565 * Makefile.in (SYSTEM_H): Include double-int.h.
8566 (double-int.o): Add.
8568 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8570 PR bootstrap/26478
8571 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8572 copying over it.
8574 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8576 * tree-vrp.c (remove_range_assertions): Do not update statements
8577 unnecessarily.
8579 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8581 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8582 cleanup.
8583 * gcse.c (rest_of_handle_gcse): Ditto.
8584 * except.c (gate_handle_eh): Ditto.
8585 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8586 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8588 2006-03-02 Eric Christopher <echristo@apple.com>
8590 * config/i386/i386.c (machopic_output_stub): Add indirection to
8591 jump.
8593 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8595 * loop.c: Removed.
8597 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8599 Sun Niagara specific optimizations.
8600 * config.gcc: Recognize niagara as target.
8601 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8602 (TARGET_CPU_niagara): Define.
8603 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8604 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8605 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8606 (ASM_CPU_SPEC): Likewise.
8607 (PROCESSOR_NIAGARA): New enum entry.
8608 (REGISTER_MOVE_COST): Handle Niagara.
8609 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8610 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8611 (sparc_override_options): Recognize "niagara", set appropriate
8612 default MASK_* values for it, and align functions to 32-bytes
8613 by default just like ULTRASPARC/ULTRASPARC3.
8614 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8615 (sparc64_initialize_trampoline): Likewise.
8616 (sparc_use_sched_lookahead): Use zero for niagara.
8617 (sparc_issue_rate): Use one for niagara.
8618 * config/sparc/niagara.md: New file.
8619 * config/sparc/sparc.md: Include it.
8620 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8621 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8622 when default cpu is niagara.
8623 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8624 (ASM_CPU_SPEC): Likewise.
8625 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8626 when default cpu is niagara.
8627 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8628 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8629 just like v9/ultrasparc/ultrasparc3.
8630 * doc/invoke.texi: Add documentation for "niagara" and improve
8631 existing documentation for ultrasparc variants.
8633 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8635 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8637 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8639 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8640 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8641 and say that only one is needed.
8642 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8643 * target.h (have_switchable_bss_sections): New hook.
8644 * explow.c (use_anchored_address): Check that the symbol is in a block.
8645 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8646 (bss_noswitch_section): New variables.
8647 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8648 (get_noswitch_section): New function.
8649 (get_block_for_section): Allow SECT to be null.
8650 (unlikely_text_section_p): Use SECTION_STYLE.
8651 (bss_initializer_p): New function.
8652 (get_variable_section): Move earlier in file. Take a new argument,
8653 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8654 Return one of the new *_sections in such cases.
8655 (get_block_for_decl): New function, extracting some logic from
8656 use_blocks_for_decl_p.
8657 (change_symbol_section): Remove in favor of...
8658 (change_symbol_block): ...this new function.
8659 (use_blocks_for_decl_p): Remove checks now performed by
8660 get_block_for_decl.
8661 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8662 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8663 (emit_local, emit_bss, emit_common): ...these new functions.
8664 Return true if the alignment was honored.
8665 (emit_tls_common): New function.
8666 (asm_emit_uninitialised): Delete.
8667 (assemble_variable_noswitch): New function, split out from...
8668 (assemble_variable): ...here. Don't make decisions about common
8669 variables here. Globalize all public decls that go into non-common
8670 sections. Check whether SYMBOL_REF_BLOCK is null.
8671 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8672 (output_constant_pool): Likewise.
8673 (init_varasm_once): Initialize the new section variables.
8674 (have_global_bss_p): New function.
8675 (categorize_decl_for_section): Use bss_initializer_p.
8676 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8677 (place_block_symbol): Assert that the symbol must be in a block.
8678 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8679 (TARGET_INITIALIZER): Include it.
8680 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8681 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8682 (SECTION_MACH_DEP): Bump by two.
8683 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8684 (unnamed_section): Mention SECTION_UNNAMED in comment.
8685 (named_section): Likewise SECTION_NAMED.
8686 (noswitch_section_callback): New type.
8687 (noswitch_section): New structure.
8688 (section): Add a noswitch_section alternative.
8689 (SECTION_STYLE): New macro.
8690 (tls_comm_section, comm_section, lcomm_section): Declare.
8691 (bss_noswitch_section, have_global_bss_p): Declare.
8692 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8693 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8694 Override.
8695 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8696 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8697 Override.
8699 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8701 * tree-vrp.c (execute_vrp): Return value.
8702 * regrename.c (rest_of_handle_regrename): Ditto.
8703 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8704 * tree-complex.c (tree_lower_complex): Ditto.
8705 (tree_lower_complex_O0): Ditto.
8706 * tracer.c (rest_of_handle_tracer): Ditto.
8707 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8708 * postreload.c (rest_of_handle_postreload): Ditto.
8709 * tree-tailcall.c (execute_tail_recursion): Ditto.
8710 (execute_tail_calls): Ditto.
8711 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8712 * tree.h (init_function_for_compilation): Ditto.
8713 * ipa-cp.c (ipcp_driver): Ditto.
8714 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8715 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8716 * final.c (compute_alignments): Ditto.
8717 (rest_of_handle_final): Ditto.
8718 (rest_of_handle_shorten_branches): Ditto.
8719 (rest_of_clean_state): Ditto.
8720 * omp-low.c (execute_expand_omp): Ditto.
8721 (execute_lower_omp): Ditto.
8722 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8723 * ipa-reference.c (static_execute): Ditto.
8724 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8725 * reorg.c (rest_of_handle_delay_slots): Ditto.
8726 (rest_of_handle_machine_reorg): Ditto.
8727 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8728 * flow.c (recompute_reg_usage): Ditto.
8729 (rest_of_handle_remove_death_notes): Ditto.
8730 (rest_of_handle_life): Ditto.
8731 (rest_of_handle_flow2): Ditto.
8732 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8733 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8734 (do_ssa_store_ccp): Ditto.
8735 (execute_fold_all_builtins): Ditto.
8736 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8737 * modulo-sched.c (rest_of_handle_sms): Ditto.
8738 * ipa-pure-const.c (static_execute): Ditto.
8739 * cse.c (rest_of_handle_cse): Ditto.
8740 (rest_of_handle_cse2): Ditto.
8741 * web.c (rest_of_handle_web): Ditto.
8742 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8743 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8744 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8745 * tree-nrv.c (tree_nrv): Ditto.
8746 (execute_return_slot_opt): Ditto.
8747 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8748 (create_structure_vars): Ditto.
8749 * loop-init.c (rtl_loop_init): Ditto.
8750 (rtl_loop_done): Ditto.
8751 (rtl_move_loop_invariants): Ditto.
8752 (rtl_unswitch): Ditto.
8753 (rtl_unroll_and_peel_loops): Ditto.
8754 (rtl_doloop): Ditto.
8755 * gimple-low.c (lower_function_body): Ditto.
8756 (mark_used_blocks): Ditto.
8757 * tree-ssa-sink.c (execute_sink_code): Ditto.
8758 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8759 (cgraph_early_inlining): Ditto.
8760 * global.c (rest_of_handle_global_alloc): Ditto.
8761 * jump.c (cleanup_barriers): Ditto.
8762 (purge_line_number_notes): Ditto.
8763 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8764 (rest_of_handle_if_after_reload): Ditto.
8765 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8766 (tree_ssa_loop_im): Ditto.
8767 (tree_ssa_loop_unswitch): Ditto.
8768 (tree_vectorize): Ditto.
8769 (tree_linear_transform): Ditto.
8770 (tree_ssa_loop_ivcanon): Ditto.
8771 (tree_ssa_empty_loop): Ditto.
8772 (tree_ssa_loop_bounds): Ditto.
8773 (tree_complete_unroll): Ditto.
8774 (tree_ssa_loop_prefetch): Ditto.
8775 (tree_ssa_loop_ivopts): Ditto.
8776 (tree_ssa_loop_done): Ditto.
8777 * predict.c (tree_estimate_probability): Ditto.
8778 * recog.c (split_all_insns_noflow): Ditto.
8779 (rest_of_handle_peephole2): Ditto.
8780 (rest_of_handle_split_all_insns): Ditto.
8781 * tree-eh.c (lower_eh_constructs): Ditto.
8782 * regmove.c (rest_of_handle_regmove): Ditto.
8783 (rest_of_handle_stack_adjustments): Ditto.
8784 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8785 * function.c (instantiate_virtual_regs): Ditto.
8786 (init_function_for_compilation): Ditto.
8787 (rest_of_handle_check_leaf_regs): Ditto.
8788 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8789 (rest_of_handle_gcse): Ditto.
8790 * ipa-type-escape.c (type_escape_execute): Ditto.
8791 * alias.c (rest_of_handle_cfg): Ditto.
8792 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8793 * profile.c (rest_of_handle_branch_prob): Ditto.
8794 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8795 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8796 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8797 * tree-dfa.c (find_referenced_vars): Ditto.
8798 * except.c (set_nothrow_function_flags): Ditto.
8799 (convert_to_eh_region_ranges): Ditto.
8800 (rest_of_handle_eh): Ditto.
8801 * emit-rtl.c (unshare_all_rtl): Ditto.
8802 (remove_unnecessary_notes): Ditto.
8803 * except.h (set_nothrow_function_flags): Ditto.
8804 (convert_to_eh_region_ranges): Ditto.
8805 * cfgexpand.c (tree_expand_cfg): Ditto.
8806 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8807 * tree-ssa-pre.c (do_pre): Ditto.
8808 (execute_fre): Ditto.
8809 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8810 (rest_of_handle_jump2): Ditto.
8811 * tree-sra.c (tree_sra): Ditto.
8812 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8813 (execute_mudflap_function_decls): Ditto.
8814 * tree-ssa-copy.c (do_copy_prop): Ditto.
8815 (do_store_copy_prop): Ditto.
8816 * ipa-prop.h (ipcp_driver): Ditto.
8817 * cfglayout.c (insn_locators_initialize): Ditto.
8818 * tree-ssa-forwprop.c
8819 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8820 * cfglayout.h (insn_locators_initialize): Ditto.
8821 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8822 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8823 (execute_late_warn_uninitialized): Ditto.
8824 * rtl.h (cleanup_barriers): Ditto.
8825 (split_all_insns_noflow): Ditto.
8826 (purge_line_number_notes): Ditto.
8827 (unshare_all_rtl): Ditto.
8828 (remove_unnecessary_notes): Ditto.
8829 (recompute_reg_usage): Ditto.
8830 (variable_tracking_main): Ditto.
8831 * integrate.c (emit_initial_value_sets): Ditto.
8832 * integrate.h (emit_initial_value_sets): Ditto.
8833 * tree-optimize.c (execute_free_datastructures): Ditto
8834 (execute_free_cfg_annotations): Ditto.
8835 (execute_fixup_cfg): Ditto.
8836 (execute_cleanup_cfg_pre_ipa): Ditto.
8837 (execute_cleanup_cfg_post_optimizing): Ditto.
8838 (execute_init_datastructures): Ditto.
8839 * tree-object-size.c (compute_object_sizes): Ditto.
8840 * combine.c (rest_of_handle_combine): Ditto.
8841 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8842 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8843 (rest_of_handle_reorder_blocks): Ditto.
8844 (rest_of_handle_partition_blocks): Ditto.
8845 * var-tracking.c (variable_tracking_main): Ditto.
8846 * tree-profile.c (tree_profiling): Ditto.
8847 * tree-vect-generic.c (expand_vector_operations): Ditto.
8848 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8849 * sched-rgn.c (rest_of_handle_sched): Ditto.
8850 (rest_of_handle_sched2): Ditto.
8851 * basic-block.h (free_bb_insn): Ditto.
8852 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8853 * tree-cfg.c (execute_build_cfg): Ditto.
8854 (remove_useless_stmts): Ditto.
8855 (split_critical_edges): Ditto.
8856 (execute_warn_function_return): Ditto.
8857 (execute_warn_function_noreturn): Ditto.
8858 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8859 * cfgrtl.c (free_bb_for_insn): Ditto.
8860 * passes.c (execute_one_pass): Run additional
8861 todos returned by execute function.
8862 * tree-pass.h (struct tree_opt_pass): Make execute
8863 return a value.
8865 2006-03-02 Richard Guenther <rguenther@suse.de>
8867 * tree-ssa-alias.c (find_used_portions): Consider taking
8868 the address as making the variable not write-only.
8870 2006-03-02 Nick Clifton <nickc@redhat.com>
8872 * config.gcc (default_use_cxa_atexit): Extend the description of
8873 this configure variable. Set its default value to "yes" for
8874 Linux, NetBSD and ELF targets on the assumption that they will
8875 use C libraries with the __cxa_atexit function.
8877 2006-03-02 Ben Elliston <bje@au.ibm.com>
8879 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8880 parameter as unused to suppress a build warning.
8882 2006-03-02 Ben Elliston <bje@au.ibm.com>
8884 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8885 config/dfp-bit.c.
8887 2006-03-01 Roger Sayle <roger@eyesopen.com>
8889 PR other/26489
8890 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8891 declared name, the weak reference name, and the typeof name.
8892 (__gthrw): Avoid expanding the declared name suffix.
8893 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8895 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8897 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8898 from DWARF 3.
8899 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8900 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8901 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8902 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8903 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8904 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8905 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8906 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8907 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8908 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8909 (DW_END_default, DW_END_big, DW_END_little): New.
8910 (DW_END_lo_user, DW_END_hi_user): Define.
8911 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8912 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8913 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8914 DW_LANG_D): New.
8916 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8918 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8919 Update all users.
8920 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8921 Update all users.
8922 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8923 Update all users.
8924 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8925 Update all users.
8926 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8927 to 'symbol_mem_tag'.
8928 Update all users.
8929 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8930 rename.
8932 2006-03-01 Roger Sayle <roger@eyesopen.com>
8934 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8936 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8938 PR target/25761
8939 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8940 MACHO_DYNAMIC_NO_PIC_P.
8941 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8943 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8945 PR target/26389
8946 * config/darwin-protos.h (darwin_asm_output_anchor):
8947 Declare.
8948 * config/darwin-sections.def (cstring_section):
8949 Add SECTION_MERGE to the flags.
8950 (literal4_section): Likewise.
8951 (literal8_section): Likewise.
8952 (objc_selector_refs_section): Likewise.
8953 (objc_cls_refs_section): Likewise.
8954 * config/darwin.c (darwin_asm_output_anchor): New
8955 function.
8956 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8958 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8960 Fix PR tree-optimization/26443
8961 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8962 to todo and PROP_tmt_usage to properties_destroyed.
8963 * tree-ssa-ccp.c (pass_ccp): Ditto.
8964 (pass_store_ccp): Ditto.
8965 * tree-ssa-dom.c (pass_dominator): Ditto.
8967 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8969 * tree-ssa-operands.c: Cleanup whitespace.
8970 (get_asm_expr_operands): Move before first invocation.
8971 (get_indirect_ref_operands): Likewise.
8972 (get_tmr_operands): Likewise.
8973 (get_call_expr_operands): Likewise.
8974 (append_def): Likewise.
8975 (append_use): Likewise.
8976 (append_v_may_def): Likewise.
8977 (append_v_must_def): Likewise.
8978 (add_call_clobber_ops): Likewise.
8979 (add_call_read_ops): Likewise.
8980 (add_stmt_operand): Likewise.
8981 (add_virtual_operand): Likewise.
8982 (build_ssa_operands): Likewise.
8984 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8986 PR middle-end/26022
8987 Revert:
8988 PR middle-end/24437
8989 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8990 with a call expr to ...
8991 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8993 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8995 * tree-vrp.c (extract_range_from_assert): Remove special
8996 handling for types with super-types.
8998 2006-03-01 Ben Elliston <bje@au.ibm.com>
9000 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9001 and powerpc64-*-linux* configurations.
9002 * config/t-dfprules: New file.
9004 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9005 Compile dfp-bit.c from the source directory using -DWIDTH and
9006 $DFP_CFLAGS to control the compilation of that file, rather than
9007 generating width-specific versions in the build directory.
9008 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9009 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9011 2006-02-28 Zack Weinberg <zackw@panix.com>
9013 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9014 continues to work.
9016 2006-02-28 Eric Christopher <echristo@apple.com>
9018 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9019 Set up IN_LIBGCC definition of TARGET_64BIT.
9020 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9022 2006-02-28 Roger Sayle <roger@eyesopen.com>
9024 PR middle-end/14752
9025 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9026 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9027 cases via the construction of "expr != 0".
9029 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9031 * alias.c (alias_invariant, alias_invariant_size): Remove.
9032 (record_base_value): Remove.
9033 (memrefs_conflict_p): Don't look at alias_invariant.
9034 (end_alias_analysis): Don't free it.
9035 * alias.h (record_base_value): Remove prototype.
9037 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9038 Adam Nemet <anemet@caviumnetworks.com>
9040 * rtl.h (truncated_to_mode): Declare it.
9041 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9042 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9043 (RTL_HOOKS_INITIALIZER): Include it.
9044 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9045 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9046 reg_truncated_to_mode.
9047 * rtlanal.c (truncated_to_mode): Define it.
9048 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9050 2006-02-28 Jeff Law <law@redhat.com>
9052 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9053 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9054 the range allowed by TYPE_PRECISION.
9056 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9058 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9060 PR tree-optimization/26419
9061 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9062 values of n.
9064 2006-02-27 Zack Weinberg <zackw@panix.com>
9066 * doc/md.texi: Fix typo in previous change.
9068 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9070 * df.c: Remove.
9072 2006-02-27 Zack Weinberg <zackw@panix.com>
9074 * rtl.def (define_constraint, define_register_constraint)
9075 (define_memory_constraint, define_address_constraint): New MD forms.
9076 * gensupport.c (process_rtx): Put define_constraint etc on the
9077 predicate queue.
9078 * genpreds.c (process_define_predicate): Adjust comment. Validate
9079 the name, and call validate_exp to validate the expression.
9080 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9081 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9082 all callers changed.
9083 (validate_exp, needs_variable, struct constraint_data)
9084 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9085 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9086 (const_dbl_constraints, constraint_max_namelen)
9087 (have_register_constraints, have_memory_constraints)
9088 (have_address_constraints, have_address_constraints)
9089 (have_extra_constraints, have_const_int_constraints)
9090 (have_const_dbl_constraints, mangle, add_constraint)
9091 (process_define_constraint, process_define_register_constraint)
9092 (write_enum_constraint_num, write_lookup_constraint)
9093 (write_insn_constraint_len, write_regclass_for_constraint)
9094 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9095 (write_insn_extra_memory_constraint)
9096 (write_insn_extra_address_constraint)
9097 (write_satisfies_constraint_fns): New.
9098 (write_tm_preds_h): If we have new-style constraint definitions,
9099 prototype the functions generated from them, and define the
9100 old constraint interface (still used by generic code) in terms of
9101 those functions.
9102 (write_insn_preds_c): If we have new-style constraint definitions,
9103 generate all relevant functions from those definitions.
9104 (main): Handle define_constraint etc.
9105 * genoutput.c (struct constraint_data, indep_constraints)
9106 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9107 (mdep_constraint_len): New data structures and functions, defined
9108 #ifdef USE_MD_CONSTRAINTS.
9109 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9110 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9111 use new logic to validate operand constraints against constraint
9112 definitions.
9113 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9114 defined.
9115 * defaults.h: If none of the old-style constraint macros are
9116 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9117 old-style macros; and poison REG_CLASS_FROM_LETTER,
9118 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9119 EXTRA_CONSTRAINT.
9120 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9121 * doc/md.texi: Document new constraint-definition mechanism and the
9122 C interface it provides. Remove references to old mechanism
9123 elsewhere in the document.
9124 (Machine Constraints): Use pathnames relative to gcc directory,
9125 i.e. config/ARCH/FILE. Change i386 section to refer to
9126 config/i386/predicates.md; update that section to match docstrings.
9127 * doc/tm.texi: Move all documentation of the old constraint-
9128 definition macros to their own section, clearly mark as obsolete.
9130 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9131 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9132 definitions.
9133 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9134 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9135 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9136 constraint strings.
9137 (splits and peepholes): Use satisfies_constraint_*.
9138 * config/i386/i386.c (memory_address_length)
9139 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9141 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9143 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9144 scalar operation to be put back into the loop.
9146 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9148 PR other/26208
9149 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9150 (extract_cie_info): Handle S flag in augmentation string.
9151 (execute_cfa_program): If context->signal_frame, execute also
9152 fs->pc == context->ra instructions.
9153 (uw_frame_state_for): If context->signal_frame, don't subtract one
9154 from context->ra to find FDE.
9155 (uw_update_context_1): Set context->signal_frame to
9156 fs->signal_frame.
9157 (_Unwind_GetIPInfo): New function.
9158 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9159 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9160 of _Unwind_GetIP.
9161 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9162 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9163 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9164 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9165 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9166 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9167 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9168 x86_64_fallback_frame_state): Set fs->signal_frame.
9169 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9170 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9171 (frob_update_context): Likewise. Workaround missing S flag in
9172 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9173 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9174 Remove the psw_addr + 1 hack.
9176 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9178 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9179 with aggregates here.
9180 (find_func_aliases): Remove code for &<aggregate> from here.
9182 2006-02-26 Roger Sayle <roger@eyesopen.com>
9184 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9185 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9186 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9187 as (X & C) ne/eq 0.
9189 2006-02-26 Roger Sayle <roger@eyesopen.com>
9191 PR middle-end/19983
9192 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9194 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9196 * opts.c (decode_options): Do not handle flag_strength_reduce.
9197 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9198 and OPT_fstrength_reduce.
9199 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9200 flag_prefetch_loop_arrays for being nonzero.
9201 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9202 no-ops.
9203 (fprefetch-loop-arrays-rtl): Removed.
9204 (flag_prefetch_loop_arrays): Do not specify the value.
9206 * doc/passes.texi: Update documentation of loop optimizer
9207 passes.
9208 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9209 -frerun-loop-opt): Remove.
9211 2006-02-26 Richard Guenther <rguenther@suse.de>
9213 PR tree-optimization/26421
9214 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9215 in function calls that are ADDR_EXPRs as using the whole structure.
9217 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9219 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9220 * tree-pass.h (pass_loop_optimize): Remove.
9221 * passes.c (pass_loop_optimize): Never run it.
9222 * toplev.c (backend_init): Don't call init_loop.
9223 * opts.c (flag_loop_optimize_set): Remove.
9224 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9225 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9226 the old RTL loop optimizer when profiling enabled.
9227 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9228 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9229 pre-headers for the sake of the old RTL loop optimizer.
9230 * Makefile.in: Remove all references to loop.o.
9232 * doc/invoke.texi: Remove all references to -floop-optimize
9233 and -frerun-loop-opt.
9235 2006-02-26 Zack Weinberg <zackw@panix.com>
9237 * doc/md.texi (Machine Constraints): Refer to all files with paths
9238 relative to gcc directory (i.e. config/CPU/file). Add missing
9239 @table @code ... @end table to M32C subsection.
9241 2006-02-26 Roger Sayle <roger@eyesopen.com>
9243 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9244 (X & 1) == 0.
9245 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9247 2006-02-26 Roger Sayle <roger@eyesopen.com>
9248 James A. Morrison <phython@gcc.gnu.org>
9250 PR middle-end/21137
9251 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9252 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9253 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9254 signedness of the shift operation.
9256 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9258 PR tree-optimization/26359
9259 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9261 2006-02-25 Roger Sayle <roger@eyesopen.com>
9263 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9264 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9265 as X == 0, and some symmetry related transformations.
9266 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9268 2006-02-25 Roger Sayle <roger@eyesopen.com>
9270 PR middle-end/23673
9271 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9272 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9273 symmetry related transformations. Fold (X^C1) == C2 as
9274 X == (C1^C2).
9276 2006-02-25 Juergen Weigert <jw@suse.de>
9277 Richard Guenther <rguenther@suse.de>
9279 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9281 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9283 * combine.c (gen_lowpart_or_truncate): Call
9284 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9286 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9288 * doc/invoke.texi: Move -fopenmp description to "Options for
9289 Code Generation".
9290 Remove reference to -lgomp.
9292 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9294 * doc/install.texi: Require GNU tar version 1.14.
9296 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9298 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9299 * doc/invoke.texi (C++ Dialect Options): Document
9300 -fno-use-cxa-get-exception-ptr.
9301 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9302 * configure: Regenerate.
9303 * c.opt (fuse-cxa-get-exception-ptr): New.
9304 * c-opts.c (c_common_handle_option): Handle
9305 OPT_fuse_cxa_get_exception_ptr.
9306 * c-common.c (flag_use_cxa_atexit): Update documentation.
9307 (flag_use_cxa_get_exception_ptr): New.
9308 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9309 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9310 documentation.
9311 (C_COMMON_OVERRIDE_OPTIONS): New.
9313 2006-02-24 Roger Sayle <roger@eyesopen.com>
9315 PR middle-end/24952
9316 * combine.c (try_combine): Explicitly check whether GET_CODE is
9317 a SET or a CLOBBER, instead on checking that it isn't a USE.
9319 2006-02-24 Roger Sayle <roger@eyesopen.com>
9321 * fold-const.c (fold_comparison): New subroutine of fold_binary
9322 containing transformations common to both the equality and
9323 ordering relational operators, factored out of fold_binary.
9324 (fold_binary): Separate out the equality operators (EQ_EXPR
9325 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9326 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9327 transformations common to both.
9328 (fold_div_compare): Fix latent bugs in the previously unreachable
9329 LT_EXPR and GE_EXPR cases.
9331 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9333 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9334 decl libname for clog to __clog on AIX.
9336 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9338 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9340 PR target/26453
9341 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9342 output traceback table for thunks. Localise rs6000_stack_info call.
9344 2006-02-23 Roger Sayle <roger@eyesopen.com>
9345 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9347 * gthr-posix.h (__gthrw): Fix typo in comment.
9349 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9351 * doc/cpp.texi (Character sets): Document that we do support
9352 input files to be in any character set.
9354 2006-02-23 Jeff Law <law@redhat.com>
9356 * tree.h (PHI_ARG_NONZERO): Remove.
9357 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9358 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9359 node to the new node.
9361 PR tree-optimization/26425
9362 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9363 min/max, then assume its varying.
9365 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9367 PR rtl-optimization/26316
9368 * rtlanal.c (enum may_trap_p_flags): New.
9369 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9370 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9371 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9372 (may_trap_after_code_motion_p): New function.
9373 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9374 (find_invariant_insn): Use may_trap_after_code_motion_p.
9375 * rtl.h (may_trap_after_code_motion_p): Declare.
9377 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9379 * emit-rtl.c (immed_double_const): Cleanup.
9381 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9383 Fix PR tree-optimization/26376
9384 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9385 remove assert.
9387 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9389 PR middle-end/26412
9390 * gimplify.c (omp_add_variable): Guard variable size decl test with
9391 DECL_SIZE (decl) check.
9393 2006-02-23 Richard Guenther <rguenther@suse.de>
9395 PR middle-end/26439
9396 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9397 like aggregate types.
9399 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9401 * configure.ac: Add --with{,out}-long-double-128 configure option.
9402 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9403 * configure: Rebuilt.
9404 * config.in: Rebuilt.
9405 * doc/install.texi (Options specification): Document
9406 --with-long-double-128.
9408 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9409 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9410 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9411 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9413 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9415 * config/s390/s390.c (override_options): Handle
9416 TARGET_DEFAULT_LONG_DOUBLE_128.
9418 * config/alpha/alpha.c (override_options): Handle
9419 TARGET_DEFAULT_LONG_DOUBLE_128.
9421 * config/sparc/sparc.c (sparc_override_options): Handle
9422 TARGET_DEFAULT_LONG_DOUBLE_128.
9424 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9426 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9427 (real-install-headers-tar, real-install-headers-cpio)
9428 (real-install-headers-cp): New targets.
9430 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9432 * tree.h (variable_section): Delete.
9433 * varasm.c (variable_section): Delete.
9435 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9437 * install.texi: Add notes on install.texi2html.
9438 (Building in parallel): Do not use footnotes.
9440 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9442 PR libgomp/26234
9443 * doc/install.texi (Configuration): Document --disable-libgomp.
9445 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9447 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9449 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9451 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9452 (vec_extractv2df_0_sse): New.
9454 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9456 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9457 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9458 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9459 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9460 to the result of the expression.
9461 (def_cfa_1): Adjust.
9462 (frame_pointer_cfa_offset): Rename to...
9463 (frame_pointer_fb_offset): ... this. Adjust all uses.
9464 (convert_cfa_to_loc_list): Rename to...
9465 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9466 Pass it on to build_cfa_loc.
9467 (compute_frame_pointer_to_cfa_displacement): Rename to...
9468 (compute_frame_pointer_to_fb_displacement): ... this. New
9469 offset parameter. Use it in computation.
9470 (gen_subprogram_die): Compute cfa_fb_offset with the new
9471 macro, and use it to compute the fb loc list and the
9472 displacement.
9474 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9476 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9477 replaced with register_operand.
9478 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9479 non-DREG is expensive.
9480 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9481 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9482 involving memory.
9484 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9486 * doc/install.texi2html: Use set -e.
9488 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9490 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9491 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9492 * doc/invoke.texi (-fshared-data): Delete.
9493 * common.opt (fshared-data): Delete.
9494 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9495 (assemble_static_space): Remove #if 0 code.
9496 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9497 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9498 * config/cris/cris.h: Remove FIXME.
9500 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9502 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9503 hooks.
9505 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9507 PR middle-end/26379
9508 * combine.c (simplify_shift_const_1): Disable nested shifts
9509 optimization for vector shifts.
9511 2006-02-20 Roger Sayle <roger@eyesopen.com>
9513 PR tree-optimization/26361
9514 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9515 of unsigned integer types.
9517 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9519 * tree-chrec.c (eq_evolutions_p): New.
9520 * tree-chrec.h (eq_evolutions_p): Declared.
9521 * tree-data-ref.c: Fix formatting.
9522 (datadep_stats, dependence_stats): New.
9523 (gcd): Moved...
9524 (print_direction_vector): New.
9525 (dump_data_dependence_relation): Use print_direction_vector.
9526 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9527 (compute_subscript_distance): Static.
9528 (initialize_data_dependence_relation): Static. Get the number
9529 of loops surrounding the references from the callers, and initialize
9530 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9531 base_object_differ_p analyzers.
9532 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9533 compute_overlap_steps_for_affine_1_2,
9534 analyze_subscript_affine_affine): Count the classified dependences.
9535 Print a message when a test failed.
9536 (can_use_analyze_subscript_affine_affine): New.
9537 (analyze_siv_subscript): Compute the data dependences on symbolic
9538 scevs that verify can_use_analyze_subscript_affine_affine.
9539 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9540 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9541 Handle symbolic scevs.
9542 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9543 analyzed.
9544 (subscript_dependence_tester): Moved...
9545 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9546 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9547 DDR_SIZE_VECT instead of getting it in parameter.
9548 (subscript_dependence_tester): ... here. Take as a parameter
9549 loop_nest_depth. Call build_classic_dist_vector and
9550 build_classic_dir_vector.
9551 (compute_affine_dependence): Update subscript_dependence_tester
9552 parameters. Update datadep_stats counters. Call
9553 compute_subscript_distance.
9554 (compute_self_dependence): Save the dist and dir vectors. Call
9555 compute_subscript_distance.
9556 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9557 (compute_all_dependences): Reorder parameters as they were before
9558 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9559 compute_subscript_distance. Update the use of
9560 compute_affine_dependence and initialize_data_dependence_relation.
9561 (find_data_references_in_loop): Handle COMPONENT_REF.
9562 (compute_data_dependences_for_loop): Initialize dependence_stats.
9563 Don't call build_classic_dist_vector and build_classic_dir_vector.
9564 Update the parameters of initialize_data_dependence_relation and
9565 compute_all_dependences. Print the statistics from datadep_stats.
9566 (analyze_all_data_dependences): Static. Not used until the pass for
9567 checking the data dependences is contributed.
9568 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9569 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9570 (initialize_data_dependence_relation, compute_affine_dependence,
9571 analyze_all_data_dependences, compute_subscript_distance): Removed.
9572 (print_direction_vector): New.
9573 * lambda.h (gcd): ... here.
9574 (lambda_vector_gcd): Moved here from gcd_vector.
9575 * lambda-code.c (gcd, gcd_vector): Removed.
9576 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9577 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9579 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9581 * ipa-type-escape.c: Tidy some comments and white space.
9582 * tree-ssa-operands.c: Likewise.
9584 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9586 PR tree-opt/25879
9587 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9588 (dump_decl_name): Do not walk the decl tree chains.
9589 * tree-pass.h (TDF_CHAIN): Remove.
9591 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9593 * Makefile.in (C): Remove
9594 (PROTO): Remove
9595 (.PHONY): Remove C and PROTO
9597 2006-02-20 Roger Sayle <roger@eyesopen.com>
9599 PR middle-end/26236
9600 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9601 deprecated CHAR_TYPE tree code.
9603 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9605 * configure.ac (target_list): Add install-info, dvi, html.
9606 * configure: Regenerate.
9608 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9609 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9610 treelang/Make-lang.in: Do not use double-colon rules.
9612 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9614 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9615 (TMT_USED_ALONE): New macro.
9616 * tree-pass.h (PROP_tmt_usage): New property.
9617 (TODO_update_tmt_usage): New todo.
9618 * tree-ssa-alias.c (updating_used_alone): New variable.
9619 (recalculate_used_alone): New function.
9620 (compute_may_aliases): Set updating_used_alone, call
9621 recalculate_used_alone.
9622 * tree-sra.c (pass_sra): Note that this pass destroys
9623 PROP_tmt_usage, and add TODO_update_tmt_usage.
9624 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9625 * tree-flow.h (updating_used_alone): Prototype.
9626 (recalculate_used_alone): Ditto.
9627 * passes.c (execute_todo): Add code to set updating_used_alone,
9628 and call recalculate.
9629 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9630 for clobber if used alone, and add assert to verify used_alone
9631 status.
9633 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9635 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9636 for non tls symbols added.
9637 (legitimize_address): Do nothing for PLUS expressions if one of the
9638 addends is a tls symbol reference.
9640 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9642 PR bootstrap/25476
9644 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9646 * Makefile.in (BOOTSTRAPPING): New.
9647 (quickstrap): New definition if BOOTSTRAPPING=yes.
9649 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9650 * configure.ac: Substitute all_selected_languages with the languages
9651 that were configured. For all the other variables except
9652 lang_specs_files, include all the languages in the tree.
9653 * configure: Regenerate.
9655 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9656 if there is one. Run the commands to run fixincludes in the same
9657 subshell.
9659 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9660 * doc/install.texi: Document exact conventions for searching target tools.
9661 Document --with-build-time-tools. Document toplevel bootstrap. Document
9662 something more about building an Ada cross-compiler. Don't list GNU Make
9663 requirements which affect all platforms.
9665 2006-02-19 Roger Sayle <roger@eyesopen.com>
9667 PR middle-end/19543
9668 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9669 only equivalent if the have both the same mode and precision.
9671 2006-02-20 Ben Elliston <bje@au.ibm.com>
9673 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9675 2006-02-19 Roger Sayle <roger@eyesopen.com>
9676 Steven Bosscher <stevenb.gcc@gmail.com>
9678 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9679 constant pool references to identify stack mode constants.
9680 * rtlanal.c (constant_pool_constant_p): New predicate to check
9681 whether operand is a floating point constant in the pool.
9682 * rtl.h (constant_pool_constant_p): Prototype here.
9683 * loop.c (scan_loop): Avoid hoisting constants from the constant
9684 pool on STACK_REGS targets.
9685 (load_mems): Likewise.
9686 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9687 loads into x87 registers expensive in terms of register pressure.
9689 2006-02-19 Roger Sayle <roger@eyesopen.com>
9691 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9692 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9694 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9696 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9697 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9699 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9701 * doc/invoke.texi: Document -fipa-pta.
9702 * common.opt: Add ipa-pta option.
9703 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9704 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9705 (do_ds_constraint): Ditto.
9706 (get_constraint_for): Only add to referenced_vars if
9707 referenced_vars exists.
9708 (insert_into_field_list): Rewrite to do this unsorted.
9709 (insert_into_field_list_sorted): Rename old insert_into_field_list
9710 to this.
9711 (create_function_info_for): Use insert_into_field_list_sorted.
9712 (create_variable_info_for): Rewrite so it uses unsorted version,
9713 since the field list is sorted.
9714 (intra_create_variable_infos): Only add to referenced_vars if
9715 referenced_vars exists.
9716 (ipa_pta_execute): Init heapvars, and delete when done.
9717 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9719 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9721 * doc/install.texi: Add missing `@samp'.
9723 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9725 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9726 Use the arguments.
9728 2006-02-18 Mark Wielaard <mark@klomp.org>
9730 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9731 who added new 4.1 features, bug fixes and integration support.
9733 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9735 PR target/26350
9736 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9737 MEM for ABI_V4 pic.
9739 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9741 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9742 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9743 (copy_insn_1): Likewise. Don't copy each field individually.
9744 Reindent.
9745 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9746 of RTX_SIZE.
9747 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9748 * rtl.c (rtx_size): Rename variable to...
9749 (rtx_code_size): ...this.
9750 (rtx_size): New function.
9751 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9752 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9753 Reindent.
9754 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9755 * rtl.h (rtx_code_size): New variable.
9756 (rtx_size): Change from a variable to a function.
9757 (RTX_SIZE): Rename to...
9758 (RTX_CODE_SIZE): ...this.
9760 PR target/9703
9761 PR tree-optimization/17106
9762 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9763 (Anchored Addresses): New section.
9764 * doc/invoke.texi (-fsection-anchors): Document.
9765 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9766 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9767 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9768 * hooks.c (hook_bool_mode_rtx_false): New function.
9769 * hooks.h (hook_bool_mode_rtx_false): Declare.
9770 * gengtype.c (create_optional_field): New function.
9771 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9772 SYMBOL_REF_IN_BLOCK_P is true.
9773 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9774 (min_anchor_offset, max_anchor_offset): Likewise.
9775 (use_anchors_for_symbol_p): New hook.
9776 * toplev.c (compile_file): Call output_object_blocks.
9777 (target_supports_section_anchors_p): New function.
9778 (process_options): Check that -fsection-anchors is only used on
9779 targets that support it and when -funit-at-a-time is in effect.
9780 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9781 if the decl doesn't have one.
9782 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9783 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9784 of force_const_mem through use_anchored_address.
9785 (expand_expr_constant): New function.
9786 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9787 calling expand_expr for INDIRECT_REF.
9788 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9789 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9790 * expr.h (use_anchored_address): Declare.
9791 * loop-unroll.c: Don't declare rtx vectors here.
9792 * explow.c: Include output.h.
9793 (validize_mem): Call use_anchored_address.
9794 (use_anchored_address): New function.
9795 * common.opt (-fsection-anchors): New switch.
9796 * varasm.c (object_block_htab, anchor_labelno): New variables.
9797 (hash_section, object_block_entry_eq, object_block_entry_hash)
9798 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9799 (use_blocks_for_decl_p, change_symbol_section): New functions.
9800 (get_variable_section): New function, split out from assemble_variable.
9801 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9802 use_blocks_for_decl_p say so. Use change_symbol_section if the
9803 symbol has already been created.
9804 (assemble_variable_contents): New function, split out from...
9805 (assemble_variable): ...here. Don't output any code for
9806 block symbols; just pass them to place_block_symbol.
9807 Use get_variable_section and assemble_variable_contents.
9808 (get_constant_alignment, get_constant_section, get_constant_size): New
9809 functions, split from output_constant_def_contents.
9810 (build_constant_desc): Create a block symbol if use_object_blocks_p
9811 says so. Or into SYMBOL_REF_FLAGS.
9812 (assemble_constant_contents): New function, split from...
9813 (output_constant_def_contents): ...here. Don't output any code
9814 for block symbols; just pass them to place_section_symbol.
9815 Use get_constant_section and get_constant_alignment.
9816 (force_const_mem): Create a block symbol if use_object_blocks_p and
9817 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9818 (output_constant_pool_1): Add an explicit alignment argument.
9819 Don't switch sections here.
9820 (output_constant_pool): Adjust call to output_constant_pool_1.
9821 Switch sections here instead. Don't output anything for block symbols;
9822 just pass them to place_block_symbol.
9823 (init_varasm_once): Initialize object_block_htab.
9824 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9825 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9826 (place_block_symbol, get_section_anchor, output_object_block)
9827 (output_object_block_htab, output_object_blocks): New functions.
9828 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9829 (TARGET_ASM_OUT): Include it.
9830 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9831 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9832 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9833 (TARGET_INITIALIZER): Include them.
9834 * rtl.c (rtl_check_failed_block_symbol): New function.
9835 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9836 (block_symbol, object_block): New structures.
9837 (rtx_def): Add a block_symbol field to the union.
9838 (BLOCK_SYMBOL_CHECK): New macro.
9839 (rtl_check_failed_block_symbol): Declare.
9840 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9841 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9842 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9843 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9844 * output.h (output_section_symbols): Declare.
9845 (object_block): Name structure.
9846 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9847 (default_use_anchors_for_symbol_p): Declare.
9848 * Makefile.in (RTL_BASE_H): Add vec.h.
9849 (explow.o): Depend on output.h.
9850 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9851 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9852 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9853 (rs6000_use_blocks_for_constant_p): New function.
9855 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9857 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9859 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9861 PR tree-opt/25680
9862 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9863 IMAGPART_EXPR.
9865 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9867 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9868 is_aliased.
9869 Update all users.
9871 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9873 PR middle-end/26334
9874 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9875 instead of DECL_REGISTER.
9877 2006-02-18 Olivier Hainque <hainque@adacore.com>
9879 PR ada/13408
9880 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9882 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9884 PR target/24837
9885 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9886 * opth-gen.awk: Handle Var and InverseMask together.
9887 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9888 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9889 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9890 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9891 used together.
9892 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9893 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9894 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9895 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9896 LINUX_DYNAMIC_LINKER): Define.
9897 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9898 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9899 TARGET_GLIBC.
9900 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9901 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9902 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9903 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9904 (TARGET_C99_FUNCTIONS): Don't define.
9905 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9906 GLIBC_DYNAMIC_LINKER.
9907 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9908 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9909 GLIBC_DYNAMIC_LINKER64): Define.
9910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9911 LINUX_DYNAMIC_LINKER64.
9912 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9913 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9914 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9916 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9918 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9919 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9920 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9922 and LINUX_DYNAMIC_LINKER32.
9923 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9925 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9927 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9928 TARGET_GLIBC.
9929 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9930 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9931 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9932 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9933 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9934 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9935 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9936 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9937 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9938 LINUX_DYNAMIC_LINKER): Define.
9939 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9940 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9941 GLIBC_DYNAMIC_LINKER64): Define.
9942 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9943 LINUX_DYNAMIC_LINKER64.
9944 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9945 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9946 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9947 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9948 LINUX_DYNAMIC_LINKER): Define.
9949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9950 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9951 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9952 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9953 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9954 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9955 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9956 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9957 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9958 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9959 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9960 * doc/invoke.texi (-muclibc): Remove caveat about supported
9961 targets.
9963 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9965 * doc/cpp.texi (__TIMESTAMP__): Document.
9967 2006-02-17 Roger Sayle <roger@eyesopen.com>
9969 PR middle-end/25600
9970 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9971 C is one less than the width of X (and related transformations).
9972 * simplify-rtx.c (simplify_unary_operation_1): Transform
9973 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9974 depending on STORE_FLAG_VALUE, were C is one less then the
9975 width of X.
9977 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9979 Fix PR tree-optimization/26341
9980 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9981 about NAME_MEMORY_TAG's.
9983 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9985 PR target/26255
9986 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9987 with hardware float support, and software float support. Add fcpy
9988 alternative to hardware patterns. Add alternatives to copy between
9989 general and floating-point registers to the 32-bit pattern.
9990 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9991 secondary reload to load a QI or HI mode constant into a floating
9992 point register.
9993 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9994 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9996 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9998 PR target/26272
9999 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10000 pc to the pattern.
10001 (load_macho_picbase_di): Likewise.
10003 2006-02-16 Jeff Law <law@redhat.com>
10005 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10006 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10007 (ssa_name_nonzero_p): Likewise.
10008 (get_value_range): Return NULL if VRP is not running.
10009 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10010 VRP routines do not discover a range.
10011 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10012 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10013 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10014 (tree_expr_nonnegative_p): Similarly.
10015 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10016 (restore_nonzero_vars_to_original_value): Remove.
10017 (unsafe_associative_fp_binop): Remove.
10018 (tree_ssa_dominator_optimize): Remove initialization and
10019 finalization of nonzero_vars and nonzero_vars_stack.
10020 (dom_opt_initialize_block): No longer push marker on
10021 nonzero_vars_stack.
10022 (dom_opt_finalize_block): No longer call
10023 restore_nonzero_vars_to_original_value.
10024 (record_equivalences_from_phis): No longer look for
10025 nonzero PHI arguments.
10026 (cprop_into_successor_phis): No longer propagate nonzero
10027 property into PHI arguments. Lose unused argument. Caller
10028 updated.
10029 (record_equivalences_from_stmt): No longer record nonzero
10030 values for SSA_NAMEs.
10031 (lookup_avail_expr): No longer use nonzero_vars.
10033 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10034 for sizetype when sizetype is unsigned.
10036 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10038 PR rtl-optimization/25603
10039 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10040 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10041 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10042 with new meaning of SETS.
10044 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10046 PR target/20353
10047 PR target/24578
10048 PR target/24837
10049 * config/linux.opt: New file.
10050 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10051 LINUX_DYNAMIC_LINKER): Define.
10052 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10053 * config.gcc (*-*-linux*): Define extra_options.
10054 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10055 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10056 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10057 GLIBC_DYNAMIC_LINKER.
10058 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10059 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10060 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10062 * doc/invoke.texi (GNU/Linux Options): New section.
10064 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10066 * config/sparc/sparc.md (setjmp): Rewrite.
10067 (setjmp_32): Delete.
10068 (setjmp_64): Likewise.
10070 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10072 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10073 previous change.
10075 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10077 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10078 read-write uses.
10080 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10082 PR rtl-optimization/26296
10083 * Makefile.in (loop-invariant.c): Add except.h dependency.
10084 * loop-invariant.c: Include except.h.
10085 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10087 2005-02-16 Paul Brook <paul@codesourcery.com>
10089 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10090 for reloads.
10092 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10094 PR rtl-optimization/25636
10095 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10096 when deciding whether an insn is an initializing insn.
10098 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10100 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10101 (tree_code_size): Ditto.
10102 * tree.h (struct tree_memory_tag): Remove parent_var.
10103 (struct tree_struct_field_tag): New.
10104 (SFT_OFFSET): New.
10105 (SFT_SIZE): New.
10106 (union tree_node): Add sft member.
10107 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10108 specially here.
10109 (create_sft): Add size and offset argument, set SFT_OFFSET and
10110 SFT_SIZE.
10111 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10112 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10113 * tree-flow-inline.h (get_subvar_at): Update for
10114 SFT_OFFSET/SFT_SIZE.
10115 (var_can_have_subvars): Ditto.
10116 (overlap_subvar): Ditto.
10117 * print-tree.c (print_node): Print out interesting things for
10118 SFT's.
10119 * tree-flow.h (struct subvar): Remove offset and size members.
10120 * tree-ssa-operands.c (get_expr_operands): Update for
10121 get_indirect_ref_operands changes.
10122 (get_indirect_ref_operands): Call add_virtual_operand instead of
10123 add_stmt_operand. Only recurse on base var if requested.
10124 (access_can_touch_variable): New function.
10125 (add_stmt_operand): Split virtual operand handling into ...
10126 (add_virtual_operand): Here. Add offset, size, and for_clobber
10127 arguments. Prune alias sets.
10128 (add_call_clobber_ops): Call add_virtual_operand.
10130 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10132 PR middle-end/26300
10133 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10135 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10136 than TREE_CODE as index into omp_clause_num_ops array.
10138 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10140 PR rtl-optimization/26184
10141 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10142 uses_of_defs.
10143 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10144 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10145 must_precede, must_follow and tobe_scheduled.
10147 PR other/26147
10148 * opts.c (common_handle_option): Free new_option pointer.
10149 * df-core.c (df_analyze): Free postorder pointer.
10151 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10153 * Makefile.in: Fix the examples about the use of stamps
10155 2006-02-15 Michael Matz <matz@suse.de>
10157 PR middle-end/22275
10159 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10160 influenced by maximum_field_alignment or DECL_PACKED.
10161 (update_alignment_for_field): Ditto.
10162 (place_field): Ditto.
10163 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10164 this behaviour.
10166 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10168 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10169 (debug_flow_info): Pass it.
10170 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10171 * bb-reorder.c (reorder_basic_blocks): Likewise.
10172 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10173 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10174 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10175 * gcse.c (gcse_main, bypass_jumps): Likewise.
10176 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10177 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10178 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10179 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10180 * rtl.h (dump_flow_info): Adjust prototype.
10181 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10182 * var-tracking.c (variable_tracking_main): Likewise.
10183 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10184 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10185 options.
10187 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10189 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10190 construction.
10192 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10194 PR tree-optimization/26209
10195 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10196 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10197 eh edges.
10198 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10200 2006-02-14 Roger Sayle <roger@eyesopen.com>
10202 PR middle-end/23670
10203 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10204 (X,Y) and the corresponding symmetry related transformations.
10205 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10206 (X,Y) and its symmetry related transformations.
10208 2006-02-14 Roger Sayle <roger@eyesopen.com>
10210 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10211 and GEU.
10213 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10215 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10217 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10219 PR bootstrap/26053
10220 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10221 support COMDAT group.
10222 * configure: Regenerate.
10224 2006-02-14 Roger Sayle <roger@eyesopen.com>
10226 PR middle-end/26279
10227 PR middle-end/26280
10228 PR middle-end/26283
10229 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10231 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10233 Fix PR tree-optimization/26260
10235 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10236 param.
10237 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10238 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10239 * tree-ssa-structalias.c (create_variable_info_for): Use
10240 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10242 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10244 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10245 Document.
10246 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10247 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10248 of the ending condition.
10249 * tree-ssa-loop-manip.c: Include params.h.
10250 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10251 tree_unroll_loop): New functions.
10252 * tree-pass.h (pass_loop_prefetch): Declare.
10253 * loop.c (rest_of_handle_loop_optimize): Test for
10254 -fprefetch-loop-arrays-rtl.
10255 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10256 * timevar.def (TV_TREE_PREFETCH): New timevar.
10257 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10258 pass_loop_prefetch): New.
10259 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10260 (cleanup_tree_cfg_loop): Call scev_reset.
10261 * common.opt (fprefetch-loop-arrays-rtl): Add.
10262 * tree-ssa-loop-prefetch.c: New file.
10263 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10264 (new_temp_expr_table): Initialize expr_vars.
10265 (free_temp_expr_table): Cleanup expr_vars.
10266 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10267 expressions from being merged into one.
10268 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10269 (struct tree_niter_desc): Add control, bound and cmp fields.
10270 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10271 Declare.
10272 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10273 (tree-cfgcleanup.o): Add SCEV_H dependency.
10274 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10275 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10277 2006-02-14 Richard Guenther <rguenther@suse.de>
10279 PR tree-optimization/26258
10280 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10281 in PHI argument processing.
10283 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10285 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10286 new expression in the requested machine mode.
10288 2006-02-13 Roger Sayle <roger@eyesopen.com>
10290 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10291 directly, instead let do_compare_rtx_and_jump handle this for us.
10292 * expr.c (expand_expr_real_1): Likewise.
10293 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10294 before do_jump_by_parts_greater.
10295 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10296 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10298 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10300 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10302 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10304 PR rtl-optimization/26235
10305 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10306 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10307 format.
10309 2006-02-13 Jeff Law <law@redhat.com>
10311 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10312 TRUTH_XOR_EPR.
10314 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10316 PR middle-end/26092
10317 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10318 twice if decl is a builtin. When trying again, call get_callee_fndecl
10319 first to verify it is still a builtin.
10321 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10323 * dwarf2out.c (base_type_die): Don't add AT_name here.
10324 (subrange_type_die): Don't add AT_name here.
10325 (modified_type_die): Rearrange code flow. Do add AT_name here.
10327 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10329 PR rtl-optimization/26247
10330 PR rtl-optimization/26248
10331 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10333 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10335 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10336 * config/fixtfdi.c: Likewise.
10337 * config/fixunstfdi.c: Likewise.
10338 * config/floatditf.c: Likewise.
10340 2006-02-13 Roger Sayle <roger@eyesopen.com>
10342 PR middle-end/24427
10343 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10344 into (X,C2) if C1 is a subset of the bits of C2. Transform
10345 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10346 (X&(C1&~C2))|C2.
10347 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10349 2006-02-13 Josh Conner <jconner@apple.com>
10351 PR target/25376
10352 * varasm.c (function_section): Check for section name before
10353 calling select_section on targets that define
10354 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10355 unlikely_text_section instead of hot_function_section if
10356 first_function_block_is_cold.
10358 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10360 PR middle-end/25335
10361 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10363 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10365 PR rtl-optimization/26222
10366 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10367 after tree->rtl expansion.
10368 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10369 before passing it to emit_move_insn.
10371 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10373 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10374 default.
10375 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10376 Clarify documentation.
10377 * c-common.h (warn_write_strings): Remove.
10378 * c-common.c (warn_write_strings): Likewise.
10379 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10380 default for C++.
10382 2006-02-12 Roger Sayle <roger@eyesopen.com>
10384 PR middle-end/25724
10385 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10386 (do_jump_parts_zero_rtx): New function renamed from
10387 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10388 (do_jump_parts_equality_rtx): New function split out from
10389 do_jump_parts_equality. Old implementation renamed as above.
10390 Call do_jump_parts_zero_rtx if either operand is zero.
10391 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10392 do all of the heavy lifting.
10393 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10394 calling either do_jump_by_parts_greater_rtx or
10395 do_jump_by_parts_equality_rtx.
10396 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10397 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10398 moved to do_compare_rtx_and_jump, call it directly.
10399 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10400 mode argument. Call do_compare_rtx_and_jump.
10401 (emit_case_nodes): Update calls to do_jump_if_equal.
10403 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10405 PR rtl-optimization/26225
10406 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10408 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10410 PR rtl-optimization/26232
10411 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10413 2006-02-11 Jason Merrill <jason@redhat.com>
10415 PR tree-opt/24365
10416 * tree-inline.c (declare_return_variable): Just don't use the
10417 modify target if it's a gimple complex reg and the return slot
10418 isn't.
10420 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10422 * doc/contrib.texi: Update my entry.
10424 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10426 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10428 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10430 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10431 expensive.
10433 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10435 * doc/invoke.texi (-floop-optimize2): Removed.
10436 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10437 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10438 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10439 * common.opt (floop-optimize2): Removed.
10440 (fmove-loop-invariants): Enabled by default.
10442 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10444 * tree-if-conv.c (combine_blocks): Free the result of
10445 get_loop_exit_edges.
10447 2006-02-10 Jeff Law <law@redhat.com>
10449 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10451 PR tree-optimization/26213
10452 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10453 loop trying to follow SSA_NAME_VALUE chains.
10455 2006-02-10 Richard Guenther <rguenther@suse.de>
10457 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10458 deal with structures that end in implicitly variable sized arrays.
10460 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10462 PR rtl-optimization/24762
10463 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10464 eh edges.
10466 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10468 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10469 (struct ivopts_data): Add regs_used field.
10470 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10471 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10472 instead of loop_data->regs_used;
10473 (free_loop_data): Do not free aux fields for loops.
10474 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10475 and tree_ssa_iv_optimize_finalize.
10477 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10479 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10481 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10483 PR target/26141
10484 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10485 computing the effective result type.
10487 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10489 PR inline-asm/16194
10490 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10491 (tree_overlaps_hard_reg_set): Declare.
10492 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10493 type and signature to match function type expected by walk_tree.
10494 (tree_overlaps_hard_reg_set): New function.
10495 (decl_conflicts_with_clobbers_p): Rename to:
10496 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10497 Use tree_overlaps_hard_reg_set. Changed caller.
10498 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10499 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10500 * cris.c (cris_md_asm_clobbers): Likewise.
10502 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10504 * reload1.c (emit_input_reload_insns): Delete code that tries to
10505 inherit using find_equiv_reg.
10507 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10509 * c-common.h (flag_const_strings): Don't declare.
10510 * c-common.c (flag_const_strings): Remove.
10511 * c.opt (fconst_strings): Remove.
10512 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10513 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10514 (c_common_init_options): Don't set flag_const_strings.
10515 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10517 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10519 * arm.md (tlobits_cbranch): New pattern.
10520 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10521 testing a single bit.
10523 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10525 PR tree-opt/26179
10526 * tree-ssa-pre.c (create_component_ref_by_pieces):
10527 Handle RETURN_DECL like VAR_DECL.
10529 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10531 PR middle-end/26134
10532 * fold-const.c (fold_indirect_ref_1): Fold
10533 "*(foo *)&complexfoo" to "__real__ complexfoo"
10534 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10536 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10538 * tree-flow-inline.h (var_can_have_subvars):
10539 Volatile variables should not have subvariables.
10541 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10543 PR 26180
10544 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10545 multiplying unsigned values.
10546 Tidy comments.
10548 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10550 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10552 2006-02-08 Jason Merrill <jason@redhat.com>
10554 PR c++/25979
10555 * tree.def: Elaborate on difference from MODIFY_EXPR.
10556 * doc/c-tree.texi (INIT_EXPR): Likewise.
10557 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10558 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10559 (gimplify_target_expr): Likewise.
10560 (gimplify_cond_expr): Remove target handling.
10561 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10562 (gimplify_expr): Clobber it here.
10563 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10564 Do return slot optimization if we have an INIT_EXPR.
10566 PR tree-opt/24365
10567 * tree-inline.c (declare_return_variable): Also clear
10568 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10570 PR c++/16405
10571 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10573 PR middle-end/22439
10574 * gimplify.c (gimplify_one_sizepos): Fix typo.
10576 2006-02-08 Jeff Law <law@redhat.com>
10578 PR tree-optimization/21417
10579 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10580 across a backedge if the control statement at the end of the
10581 block is data dependent on other statements in the same block.
10582 (record_temporary_equivalences_from_stmts): Remove over-conservative
10583 test for threading across backedges.
10585 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10586 control statement, handle all three special cases in the same
10587 manner as they all have the same desired solution. No longer
10588 special case edge flag updating when the post dominator is
10589 the exit block.
10591 2006-02-08 Roger Sayle <roger@eyesopen.com>
10593 * tree.def (CHAR_TYPE): Remove.
10594 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10595 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10596 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10597 (gen_string_type_die): Delete unreachable function.
10599 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10600 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10601 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10602 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10603 * builtins.c (type_to_class): Likewise.
10604 * fold-const.c (fold_convert, build_range_check,
10605 merge_ranges): Likewise.
10606 * expr.c (count_type_elements): Likewise.
10607 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10608 * stor-layout.c (layout_type): Likewise.
10609 * ipa-type-escape.c (type_to_consider): Likewise.
10610 * gimplify.c (omp_firstprivatize_type_sizes,
10611 gimplify_type_sizes): Likewise.
10612 * explow.c (promote_mode): Likewise.
10613 * tree-sra.c (is_sra_scalar_type): Likewise.
10614 * varasm.c (output_constant): Likewise.
10615 * tree-inline.c (remap_type_1): Likewise.
10616 * convert.c (convert_to_pointer, convert_to_real,
10617 convert_to_integer, convert_to_complex): Likewise.
10619 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10621 * df-scan.c (df_def_record_1): A set destination may
10622 be a parallel regardless of mode.
10624 2006-02-08 Roger Sayle <roger@eyesopen.com>
10626 PR target/22209
10627 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10628 * config/mips/_tilib.c: Remove.
10629 * config/fixtfdi.c: New libgcc source file.
10630 * config/fixunstfdi.c: New source file.
10631 * config/floatditf.c: New source file.
10632 * config/floatunditf.c: New souce file.
10633 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10634 files above instead of config/mips/_tilib.c.
10635 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10637 2006-02-08 Jeff Law <law@redhat.com>
10639 PR tree-optimization/26169
10640 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10641 threading jumps.
10643 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10645 * df.h (DF_REG_SIZE): Return the length of the initialized
10646 part of the array.
10648 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10650 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10651 __muldf3): Return a correctly signed zero.
10653 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10655 * passes.c (register_one_dump_file): Accept the current properties
10656 instead of pass number. Adjust call to dump_register. Remove
10657 duplicated code.
10658 (register_dump_files): Now a wrapper around...
10659 (register_dump_files_1): ... this one. Do not modify the pass
10660 structure.
10661 (next_pass_1): Cosmetic fix.
10662 (execute_todo): Keep second parameter only. Use curr_properties
10663 instead of fetching it from the pass structure. Check and set
10664 last_verified.
10665 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10666 instead of fetching it from the pass structure. Fix calls to
10667 execute_todo. Update curr_properties and initialize .vcg RTL dump
10668 after running the pass. Reset last_verified.
10669 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10670 at the beginning.
10671 (FIRST_AUTO_NUMBERED_DUMP): New.
10672 (dump_register): Remove "num" parameter, assign it within the
10673 function.
10674 (get_dump_file_name): Modify template for dumps.
10675 * tree-dump.h (dump_register): Adjust prototype.
10676 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10677 (PROP_trees): Add PROP_gimple_lomp.
10678 (TODO_set_props): New.
10679 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10680 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10681 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10683 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10685 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10686 (sparc64-*-linux*): Likewise.
10687 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10688 * config/sparc/t-linux: New file.
10689 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10690 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10691 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10692 -m32 -mlong-double-128.
10694 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10695 * config/alpha/t-linux: New file.
10696 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10698 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10699 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10700 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10701 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10702 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10703 (CPP_ARCH32_SPEC): Remove.
10705 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10707 PR tree-optimization/26145
10708 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10709 bbs pointer.
10711 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10713 PR target/26109
10714 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10715 >= 240000 when generating code for SOM runtime.
10716 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10717 to $$dyncall when generating code for SOM runtime..
10719 2006-02-07 Dirk Mueller <dmueller@suse.com>
10721 PR c++/18150
10722 * doc/invoke.texi (-Wsequence-point): Update documentation
10723 that -Wsequence-point is implemented for C++ as well.
10725 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10727 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10728 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10729 (LIB_SPEC): Likewise.
10730 * doc/invoke.texi (SPARC options): Document -pthread.
10732 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10734 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10735 PIC addresses.
10737 2006-02-07 Roger Sayle <roger@eyesopen.com>
10739 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10740 Correct comment describing BOOLEAN_TYPE.
10742 2006-02-07 Dirk Mueller <dmueller@suse.com>
10744 * c.opt: C++ frontend supports -Wdiv-by-zero.
10745 * c-opts.c (c_common_handle_option): Remove dead case.
10747 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10749 * configure.ac (TLS assembler check): Do not enable TLS by
10750 default on SPARC/Solaris before version 10.
10751 * configure: Regenerate.
10753 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10755 * doc/invoke.texi (xl-compat): Document conversion and support
10756 routine names.
10758 2006-02-07 Jeff Law <law@redhat.com>
10760 * tree-vrp.c (find_conditional_asserts): Update comments.
10761 (simplify_stmt_for_jump_threading): New.
10762 (identify_jump_threads, finalize_jump_threads): New.
10763 (vrp_finalize): Call identify_jump_threads.
10764 (execute_vrp): Call finalize_jump_threads.
10765 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10766 (vrp_element, vrp_data, vrp_element_p): Remove.
10767 (vrp_hash_elt, vrp_variables_stack): Remove.
10768 (vrp_hash, vrp_eq, record_range): Remove.
10769 (simplify_cond_and_lookup_avail_expr): Remove.
10770 (extract_range_from_cond): Remove.
10771 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10772 (simplify_stmt_for_jump_threading): New.
10773 (dom_thread_across_edge): New wrapper.
10774 (tree_ssa_dominator_optimize): No longer initialize or
10775 finalize any of the VRP datastructures. Remove iteration
10776 step and simplify as a result of removal of iteration step.
10777 (pass_dominator): Perform a cfg cleanup after DOM.
10778 (dom_opt_finalize_block): Use the new common routines
10779 for threading jumps. Simplify stack management slightly.
10780 No longer need to unwind VRP state.
10781 (record_equivalences_from_incoming_edge): No longer record
10782 VRP information.
10783 (eliminate_redundant_computations): No longer call
10784 simplify_cond_and_lookup_avail_expr.
10785 * tree-flow.h (potentially_threadable_block): Prototype.
10786 (thread_across_edge): Likewise.
10787 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10788 (tree-ssa-threadedge.o): Add dependencies.
10789 * tree-ssa-threadedge.c: New file.
10790 * passes.c (init_optimization_passes): Merge PHIs before
10791 calling VRP. Run VRP again late in the SSA optimization pipeline.
10793 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10795 * df-core.c (df_set_blocks): Do not dereference function pointers.
10796 (df_finish1): Likewise.
10797 (df_hybrid_search_forward): Likewise.
10798 (df_hybrid_search_backward): Likewise.
10799 (df_iterative_dataflow): Likewise.
10800 (df_analyze_problem): Likewise.
10801 (df_compact_blocks): Likewise.
10802 (df_dump): Likewise.
10803 * df-scan.c (df_rescan_blocks): Likewise.
10804 (df_record_entry_block_defs): Likewise.
10806 * genconditions.c (write_conditions): Guard the definition of
10807 'insn_conditions' with the check on GCC version.
10808 (write_writer): Guard the traversal 'insn_conditions' with
10809 the check on GCC version.
10811 2006-02-07 Richard Guenther <rguenther@suse.de>
10813 PR c++/26140
10814 Revert
10815 2006-01-30 Richard Guenther <rguenther@suse.de>
10816 PR c++/23372
10817 * gimplify.c (gimplify_target_expr): Handle easy cases
10818 without creating a temporary.
10820 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10822 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10823 use of float in probability computations. Use edge probabilities
10824 in place of statically computed probabilities.
10825 (min_spec_prob): New static variable.
10826 (schedule_insns): Initialize it.
10827 (GET_SRC_PROB): Removed.
10828 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10830 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10832 PR debug/24444
10833 * config/ia64/unwind-ia64.c: Revert last change.
10834 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10835 (INCOMING_FRAME_SP_OFFSET): Define.
10837 2006-02-06 Roger Sayle <roger@eyesopen.com>
10839 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10841 2006-02-07 Ben Elliston <bje@au.ibm.com>
10843 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10844 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10845 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10846 (ix86_return_in_memory): Handle TDmode.
10847 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10848 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10850 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10852 * reorg.c (dbr_schedule): Use dump_file instead of file.
10854 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10856 PR target/25917
10857 * config/ia64/predicates.md (extr_len_operand): New predicate.
10858 * config/ia64/ia64.md (extv): Tighten constraints.
10859 (extzv): Ditto.
10860 (*tbit_and_2): Ditto.
10861 (*tbit_and_3): Ditto.
10862 (*tbit_or_2): Ditto.
10863 (*tbit_or_3): Ditto.
10864 (*bit_zero): Ditto.
10865 (*bit_one): Ditto.
10867 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10869 PR target/23359
10870 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10872 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10874 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10875 loop_optimizer_init and loop_optimizer_finalize
10876 * tree-ssa-sink.c (execute_sink_code): Ditto.
10877 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10878 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10879 tree_ssa_loop_done): Ditto.
10880 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10881 * sched-ebb.c: Include output.h.
10882 (schedule_ebbs): Do not use dump argument.
10883 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10884 * loop.c (loop_dump_stream): Removed.
10885 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10886 argument.
10887 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10888 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10889 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10890 loop_iterations, strength_reduce, record_biv, record_giv,
10891 final_giv_value, check_final_value, check_ext_dependent_givs,
10892 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10893 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10894 dump_file instead of loop_dump_stream.
10895 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10896 argument dump_file.
10897 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10898 dump argument.
10899 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10900 * haifa-sched.c: Include output.h
10901 (schedule_insns, sched_init): Do not use dump argument.
10902 * mode-switching.c (optimize_mode_switching): Ditto.
10903 * modulo-sched.c (stats_file): Removed.
10904 (print_node_sched_params): Do not call argument dump_file.
10905 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10906 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10907 of stats_file.
10908 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10909 use dump argument.
10910 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10911 rtl_loop_init, rtl_loop_done): Ditto.
10912 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10913 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10914 Ditto.
10915 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10916 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10917 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10918 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10919 * emit-rtl.c (renumber_insns): Ditto.
10920 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10921 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10922 * regclass.c (regclass): Ditto.
10923 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10924 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10925 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10926 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10927 Ditto.
10928 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10929 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10930 to regclass.
10931 * gcse.c (gcse_file, debug_stderr): Removed.
10932 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10933 rest_of_handle_gcse): Do not use dump argument.
10934 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10935 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10936 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10937 compute_code_hoist_vbeinout, compute_code_hoist_data,
10938 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10939 compute_store_table, build_store_vectors, insert_insn_start_bb,
10940 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10941 store_motion): Use dump_file instead of gcse_file.
10942 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10943 * profile.c (profile_dump_file): Removed.
10944 (branch_prob): Use dump_file instead of profile_dump_file.
10945 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10946 dump_file.
10947 * tree-ssa-copy.c (dump_copy_of): Ditto.
10948 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10949 dump file to life_analysis.
10950 * bt-load.c (branch_target_load_optimize): Ditto.
10951 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10952 renumber_insns.
10953 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10954 regclass, dbr_schedule): Declaration changed.
10955 * sched-int.h (sched_init): Declaration changed.
10956 * tree-profile.c (tree_profile_dump_file): Removed.
10957 (tree_profile_hooks): Removed profile_dump_file hook.
10958 * rtl-profile (rtl_profile_dump_file): Removed.
10959 (rtl_profile_hooks): emoved profile_dump_file hook.
10960 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10961 changed.
10962 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10963 * tree-cfg.c (build_tree_cfg): Ditto.
10964 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10965 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10966 Declaration changed.
10967 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10968 life_analysis and schedule_insns.
10969 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10970 life_analysis.
10971 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10972 dbr_schedule.
10973 * config/mips/mips.c (mips_reorg): Ditto.
10974 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10975 schedule_ebbs.
10977 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10979 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10980 (s390_mangle_fundamental_type): New.
10981 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10982 Define.
10984 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10985 (alpha_mangle_fundamental_type): New.
10986 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10987 Define.
10989 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10990 Define.
10991 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10992 Define.
10993 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10994 (sparc_mangle_fundamental_type): New.
10996 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10998 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10999 (s390x-*-linux*): Likewise.
11000 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11001 * config/s390/t-linux: New file.
11003 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11005 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11006 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11008 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11010 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11011 (ANTIC_SAFE_LOADS): New macro.
11012 (find_or_generate_expression): Add prototype.
11013 (set_contains_value): Allow null set for sake of not always having
11014 to allocate ANTIC_SAFE_LOADS.
11015 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11016 Allow COMPONENT_REF too.
11017 (valid_in_set): Allow COMPONENT_REF.
11018 Check ANTIC_SAFE_LOADS too.
11019 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11020 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11021 rename.
11022 (can_PRE_operation): Add COMPONENT_REF.
11023 (create_component_ref_by_pieces): New function.
11024 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11025 (insert_aux): Move AGGREGATE_TYPE_P check here.
11026 (compute_avail): Set bb local stmt uids.
11027 (pass_pre): Use TODO_update_ssa_only_virtuals.
11029 2006-02-06 Ben Elliston <bje@au.ibm.com>
11031 * configure.ac: Unconditionally disable decimal float by default.
11032 * configure: Regenerate.
11034 2006-02-06 Ben Elliston <bje@au.ibm.com>
11036 * read-rtl.c (read_name): Terminate reading on EOF.
11038 2006-02-06 Ben Elliston <bje@au.ibm.com>
11040 * dfp.c (decimal_real_arithmetic): Change second argument type
11041 from int to enum tree_code. Do not always return true, but now
11042 return result of any call to decimal_do helper functions.
11043 * dfp.h (decimal_real_arithmetic): Update prototype.
11045 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11047 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11049 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11051 PR tree-opt/25251
11052 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11053 forced labels.
11055 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11057 * tree-vrp.c (cfg_loops): Removed.
11058 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11059 Use current_loops instead of cfg_loops. Pass flags to
11060 loop_optimizer_init.
11061 * cfgloopmanip.c (fix_loop_structure): Update only available
11062 information.
11063 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11064 loop_optimizer_init.
11065 * modulo-sched.c (build_loops_structure): Removed.
11066 (sms_schedule): Use loop_optimizer_init.
11067 * loop-init.c (loop_optimizer_init): Use flags to determine
11068 which properties of loops to prepare.
11069 (rtl_loop_init): Pass flags to loop_optimizer_init.
11070 * tree-ssa-sink.c (execute_sink_code): Ditto.
11071 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11072 * tree-ssa-pre.c (init_pre): Ditto.
11073 * cfgloop.h (LOOPS_NORMAL): New.
11074 (loop_optimizer_init): Declaration changed.
11076 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11078 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11079 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11080 pa/t-pa.
11081 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11082 pa/t-pa.
11083 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11084 pa/x-ada.
11085 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11086 * pa/t-pa64: Delete quadlib.c rule.
11087 * pa/x-ada: Revert last change.
11088 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11090 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11092 PR rtl-optimization/26087
11093 * rtlanal.c (canonicalize_condition): Do not cross basic block
11094 boundaries.
11096 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11098 PR debug/24444
11099 * config/ia64/ia64.c: Include debug.h.
11100 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11101 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11102 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11103 (process_epilogue, process_set, process_for_unwind_directive):
11104 Output unwind info only if requested. Add CFA info if requested.
11105 Add new arguments as needed. Adjust callers.
11106 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11107 incorrect default.
11108 (DWARF2_FRAME_INFO): Define to zero.
11109 * config/ia64/unwind-ia64.c: Remove code that compensated for
11110 the CFA offset error fixed above.
11111 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11112 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11113 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11114 -funwind-tables and -fexceptions to enable frame info.
11115 (dwarf2out_frame_init): Define initial CFA even if
11116 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11117 DWARF2_UNWIND_INFO is nonzero, not just defined.
11118 (dwarf2out_frame_finish): Output non-EH call frame info only
11119 if DWARF2_FRAME_INFO is nonzero.
11120 (convert_cfa_to_loc_list,
11121 compute_frame_pointer_to_cfa_displacement): Define even if
11122 unwind info is not supported.
11123 (gen_subprogram_die): Use the above unconditionally. Remove
11124 legacy alternate code.
11125 * toplev.c (compile_file): Compile in call to
11126 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11127 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11129 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11130 Jakub Jelinek <jakub@redhat.com>
11132 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11133 IBM extended float format long double as "g" on powerpc*-linux.
11135 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11137 PR target/25926
11138 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11139 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11141 2006-02-03 Jason Merrill <jason@redhat.com>
11143 PR c++/25979
11144 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11146 PR middle-end/25977
11147 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11148 on the return slot if it's an NRV.
11150 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11152 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11153 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11154 rewrite_use): Do not handle USE_OUTER.
11155 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11156 add_iv_outer_candidates, may_replace_final_value,
11157 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11158 (find_interesting_uses_op): Functionality of
11159 find_interesting_uses_outer_or_nonlin moved here.
11160 (find_interesting_uses_outside): Use find_interesting_uses_op.
11162 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11164 PR target/25960
11165 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11167 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11168 Ulrich Weigand <uweigand@de.ibm.com>
11170 PR target/25864
11171 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11172 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11173 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11174 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11175 and dxr fields.
11176 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11177 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11178 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11179 Define secondary reloads for TFmode moves.
11180 (constant_modes): Add TFmode.
11181 (NR_C_MODES): Set to 8.
11182 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11183 builtin define.
11184 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11185 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11186 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11187 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11188 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11189 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11190 (FPR mode macro): Add TFmode.
11191 (DSF mode macro): New.
11192 (<de>, <dee> mode attributes): Removed.
11193 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11194 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11195 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11196 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11197 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11198 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11199 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11200 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11201 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11202 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11203 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11204 "*negabs<mode>2", "sqrt<mode>2"):
11205 Changed <de> to <xde>. R constraint replaced by <Rf>.
11206 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11207 <Rf>.
11208 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11209 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11210 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11211 splitters.
11212 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11213 "extenddftf2", "extendsftf2"): New expanders.
11214 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11215 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11216 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11217 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11218 New options.
11219 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11220 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11221 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11222 __floatditf): Add a GCC_4.1.0 symbol version tag.
11223 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11224 the new options.
11226 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11228 PR target/25377
11229 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11230 Use targetm.binds_local_p instead of TREE_PUBLIC.
11232 2006-02-02 Roger Sayle <roger@eyesopen.com>
11234 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11235 on INTEGER_TYPEs to indicate that it denotes a character type.
11236 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11237 signed_char_type_node, unsigned_char_type_node and char_type_node.
11238 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11239 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11240 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11242 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11243 Daniel Berlin <dberlin@dberlin.org>
11245 * tree-tailcall.c (arg_needs_copy_p): New function.
11246 (eliminate_tail_call): Use arg_needs_copy_p.
11247 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11248 (add_virtual_phis): New function.
11250 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11252 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11253 #ignore instead of #scratch for %g7 .register directive.
11255 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11257 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11258 object files.
11260 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11262 * flow.c (calculate_global_regs_live): Assert that there aren't any
11263 EDGE_FAKE edges.
11265 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11267 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11268 what its name says.
11269 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11270 bsi_after_labels iterator.
11271 * tree-if-conv.c (find_phi_replacement_condition,
11272 replace_phi_with_cond_modify_expr): Likewise.
11273 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11274 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11276 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11278 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11280 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11282 PR 25990
11283 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11284 array after growing it.
11286 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11288 PR middle-end/24901
11289 * fold-const.c (fold_checksum_tree): Change type of buf.
11291 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11293 * reload.c (push_secondary_reload): Initialize t_icode.
11295 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11297 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11298 -msoft-float -mlong-double-128 only issue a warning, but don't
11299 swich to DFmode long double.
11301 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11303 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11304 has a constant equivalent, iterate over equivalents for arg0,
11305 calling simplify_relational_operation and if there's a result
11306 cheaper than X, apply fold_rtx and return the result.
11308 2006-02-01 Jan Hubicka <jh@suse.cz>
11310 * opts.c (no_unit_at_a_time_default): New global variable.
11311 (decode_options): Use it.
11312 * opts.h (no_unit_at_a_time_default): Declare.
11314 2006-02-01 Paul Brook <paul@codesourcery.com>
11316 * function.c (assign_parm_setup_reg): Use function argument promotion
11317 rules.
11318 * expr.c (expand_expr_real_1): Use function argument promotion rules
11319 for PARM_DECLs.
11321 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11323 * gcc.c (process_command): Change j to 'unsigned int'.
11325 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11327 PR middle-end/26001
11328 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11329 Use the corrected index for the character
11330 out of the string constant.
11332 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11334 * mode-switching.c (optimize_mode_switching): Fix size
11335 allocated for bb_info[n_entities].
11337 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11339 * gcc.c (main): Correct type that is allocated for
11340 explicit_link_files.
11342 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11344 * config/s390/s390.c (init_alignment_context): Set
11345 ALIAS_SET_MEMORY_BARRIER on the MEM.
11346 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11348 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11350 PR middle-end/25933
11351 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11352 dom_bbs pointer.
11353 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11354 call to tpa_init.
11356 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11358 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11359 * regrename.c: Ditto.
11360 * tree-ssa-loop-im.c: Ditto.
11361 * tree-dump.c: Ditto.
11362 * tree-complex.c: Ditto.
11363 * genrecog.c: Ditto.
11364 * tree-ssa-threadupdate.c: Ditto.
11365 * tracer.c: Ditto.
11366 * java/class.c: Ditto.
11367 * java/jcf-parse.c: Ditto.
11368 * java/resource.c: Ditto.
11369 * java/except.c: Ditto.
11370 * java/jvspec.c: Ditto.
11371 * java/jcf-write.c: Ditto.
11372 * java/jcf-path.c: Ditto.
11373 * java/gjavah.c: Ditto.
11374 * java/zextract.c: Ditto.
11375 * java/jcf-io.c: Ditto.
11376 * java/jcf.h: Ditto.
11377 * java/buffer.c: Ditto.
11378 * java/lang.c: Ditto.
11379 * java/parse-scan.y: Ditto.
11380 * java/lex.c: Ditto.
11381 * java/lex.h: Ditto.
11382 * cfgloopmanip.c: Ditto.
11383 * postreload-gcse.c: Ditto.
11384 * tree-ssa-loop-manip.c: Ditto.
11385 * postreload.c: Ditto.
11386 * tree-ssa-loop-ch.c: Ditto.
11387 * loop.c: Ditto.
11388 * ipa-cp.c: Ditto.
11389 * cppspec.c: Ditto.
11390 * diagnostic.c: Ditto.
11391 * final.c: Ditto.
11392 * genoutput.c: Ditto.
11393 * gcc.c: Ditto.
11394 * cfghooks.c: Ditto.
11395 * cfgloopanal.c: Ditto.
11396 * objc/objc-act.c: Ditto.
11397 * gcov.c: Ditto.
11398 * genextract.c: Ditto.
11399 * genautomata.c: Ditto.
11400 * pretty-print.c: Ditto.
11401 * genemit.c: Ditto.
11402 * cgraphunit.c: Ditto.
11403 * flow.c: Ditto.
11404 * df-scan.c: Ditto.
11405 * haifa-sched.c: Ditto.
11406 * dominance.c: Ditto.
11407 * dbxout.c: Ditto.
11408 * tree-ssa-loop-ivopts.c: Ditto.
11409 * df-core.c: Ditto.
11410 * mode-switching.c: Ditto.
11411 * modulo-sched.c: Ditto.
11412 * graph.c: Ditto.
11413 * ipa-pure-const.c: Ditto.
11414 * cse.c: Ditto.
11415 * fix-header.c: Ditto.
11416 * web.c: Ditto.
11417 * tree-stdarg.c: Ditto.
11418 * ipa-utils.c: Ditto.
11419 * loop-init.c: Ditto.
11420 * ipa-inline.c: Ditto.
11421 * cfganal.c: Ditto.
11422 * global.c: Ditto.
11423 * alloc-pool.c: Ditto.
11424 * dwarf2out.c: Ditto.
11425 * opts.c: Ditto.
11426 * genattrtab.c: Ditto.
11427 * tree-ssa-loop-ivcanon.c: Ditto.
11428 * predict.c: Ditto.
11429 * timevar.c: Ditto.
11430 * lcm.c: Ditto.
11431 * fortran/gfortranspec.c: Ditto.
11432 * regmove.c: Ditto.
11433 * local-alloc.c: Ditto.
11434 * langhooks.c: Ditto.
11435 * function.c: Ditto.
11436 * tree-vectorizer.c: Ditto.
11437 * gcse.c: Ditto.
11438 * ipa-type-escape.c: Ditto.
11439 * alias.c: Ditto.
11440 * tree-if-conv.c: Ditto.
11441 * profile.c: Ditto.
11442 * ipa.c: Ditto.
11443 * tree-data-ref.c: Ditto.
11444 * loop-unroll.c: Ditto.
11445 * treelang/treetree.c: Ditto.
11446 * calls.c: Ditto.
11447 * bt-load.c: Ditto.
11448 * ggc-common.c: Ditto.
11449 * except.c: Ditto.
11450 * coverage.c: Ditto.
11451 * cselib.c: Ditto.
11452 * tree-cfgcleanup.c: Ditto.
11453 * tree-ssa-pre.c: Ditto.
11454 * cfgcleanup.c: Ditto.
11455 * loop-invariant.c: Ditto.
11456 * loop-iv.c: Ditto.
11457 * ipa-prop.c: Ditto.
11458 * print-tree.c: Ditto.
11459 * conflict.c: Ditto.
11460 * ggc-page.c: Ditto.
11461 * sched-deps.c: Ditto.
11462 * regclass.c: Ditto.
11463 * tree-object-size.c: Ditto.
11464 * combine.c: Ditto.
11465 * bb-reorder.c: Ditto.
11466 * resource.c: Ditto.
11467 * var-tracking.c: Ditto.
11468 * cfgloop.c: Ditto.
11469 * df-problems.c: Ditto.
11470 * reg-stack.c: Ditto.
11471 * tlink.c: Ditto.
11472 * gccspec.c: Ditto.
11473 * sched-rgn.c: Ditto.
11474 * tree-ssa-structalias.c: Ditto.
11475 * tree-ssa-reassoc.c: Ditto.
11476 * config/darwin-c.c: Ditto.
11477 * config/darwin.c: Ditto.
11478 * config/arm/arm.c: Ditto.
11479 * cfgrtl.c: Ditto.
11480 * collect2.c: Ditto.
11481 * reload1.c: Ditto.
11483 2006-01-31 Nicolas Pitre <nico@cam.org>
11485 * arm.md (smaxsi3): Make aware of smax_m1.
11486 (smax_m1): New.
11488 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11490 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11492 2006-01-31 Richard Guenther <rguenther@suse.de>
11494 * doc/invoke.texi (-msselibm): Document.
11495 * target.h (expand_library_builtin): New target hook.
11496 * builtins.c (expand_builtin): Use expand_library_builtin.
11497 (default_expand_library_builtin): New function.
11498 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11499 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11500 (link_gcc_math_spec): Declare.
11501 (static_specs): Add link_gcc_math_spec.
11502 * expr.h (default_expand_library_builtin): Declare.
11503 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11504 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11505 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11506 * config/i386/i386.opt (msselibm): New target option.
11507 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11508 (ix86_init_sse_abi_builtins): New function.
11509 (ix86_expand_library_builtin): Likewise.
11510 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11511 (override_options): Handle error conditions wrt -msselibm.
11512 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11513 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11514 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11515 builtins.
11517 2006-01-31 Richard Guenther <rguenther@suse.de>
11518 Paolo Bonzini <bonzini@gnu.org>
11520 * doc/install.texi (--disable-libgcc-math): Document.
11522 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11524 * expr.h (expand_normal): new inline function.
11525 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11526 * dojump.c: use it.
11527 * dwarf2out.c: use it.
11528 * expr.c: use it.
11529 * calls.c: use it.
11530 * expmed.c: use it.
11531 * except.c: use it.
11532 * config/sparc/sparc.c: use it.
11533 * config/i386/i386.c: use it.
11534 * config/rs6000/rs6000.c: use it.
11535 * config/arm/arm.c: use it.
11536 * config/mips/mips.c: use it.
11537 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11539 2006-01-30 Roger Sayle <roger@eyesopen.com>
11541 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11542 argv to the appropriate type.
11544 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11546 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11547 unreachable code.
11549 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11551 PR target/26018
11552 * config/s390/s390.c (struct machine_function): New flag
11553 decomposed_literal_pool_addresses_ok_p.
11554 (s390_reorg): Set it before final stage of literal pool transforms.
11555 (s390_decompose_address): Only accept displacements of the form
11556 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11558 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11560 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11561 the comparison routine return.
11563 2006-01-30 Michael Matz <matz@suse.de>
11565 * global.c (find_reg): Only evict for global regs.
11566 Take n_refs into account and dump more info.
11568 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11570 PR target/14798:
11571 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11572 (pragma_trap, pragma_nosave_low_regs): Likewise.
11573 (current_function_anonymous_args): Likewise.
11574 (sh_deferred_function_attributes): New variable.
11575 (sh_deferred_function_attributes_tail): Likewise.
11576 (print_operand): For '@', look up trap_exit attribute.
11577 (calc_live_regs): Look up trapa_handler attribute. For trapa
11578 handlers, save/restore fpscr, but don't do any other
11579 interrupt-specific saves.
11580 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11581 Fix check for partially saved registers to check for SHmedia.
11582 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11583 (sh_output_function_epilogue): Don't clear any of the removed
11584 variables.
11585 (sh_insert_attributes): Don't check pragma_interrupt.
11586 Insert deferred attributes. Check that interrupt attribute is
11587 present for other attributes that require its presence.
11588 (sh_attribute_table): Add new attributes trapa_handler and
11589 nosave_low_regs.
11590 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11591 Don't check for pragma_interrupt. Don't store argument.
11592 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11593 (sh_deferred_function_attributes): Declare.
11594 (sh_deferred_function_attributes_tail): Likewise.
11595 * sh.md (sp_switch_1): Add operand. Change generator caller.
11596 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11597 (*return_i): Don't use when trap_exit attribute is in effect.
11598 (*return_trapa): New insn pattern.
11599 * sh-c.c: New file.
11600 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11601 setting c_target_objs and cxx_target_objs.
11602 * t-sh: Add rule for sh-c.o.
11604 2006-01-30 Richard Guenther <rguenther@suse.de>
11606 PR c++/23372
11607 * gimplify.c (gimplify_target_expr): Handle easy cases
11608 without creating a temporary.
11610 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11612 * vec.h (safe_grow): Remove duplicated line.
11614 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11616 PR 25874
11617 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11618 (expand_omp): ... here.
11619 (expand_omp_parallel): Only remove barriers for combined
11620 parallel+workshare constructs.
11622 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11624 Revert
11626 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11627 * tree.c (build_qualified_type): Chain the new type to the original
11628 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11629 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11630 (build_pointer_type_for_mode): Only return unqualified types.
11631 (build_reference_type_for_mode): Likewise.
11633 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11635 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11636 * Makefile.in (CXX_COMPAT_WARN): Define.
11637 * configure: Regenerate.
11639 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11641 PR tree-opt/25911
11642 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11643 to an if check.
11645 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11647 * toplev.c: Fix thinko.
11649 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11650 Marcin Dalecki <martin@dalecki.de>
11652 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11653 (push_srcloc): Use XNEW.
11654 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11656 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11658 * df-core.c (df_set_blocks): Deleted all variable.
11660 2006-01-28 Ian Lance Taylor <ian@airs.com>
11662 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11663 cgraph_output_pending_asms.
11665 2006-01-28 Zack Weinberg <zackw@panix.com>
11667 * c.opt: Add -W(no-)overlength-strings.
11668 * doc/invoke.texi: Document it.
11669 * c-opts.c (c_common_handle_option): -pedantic implies
11670 -Woverlength-strings, if not explicitly disabled already.
11671 (c_common_post_options): -Woverlength-strings defaults to off, and
11672 is always off for C++.
11673 * c-common.c (fix_string_type): Issue warning about strings longer
11674 than is portable only if warn_overlength_strings. Rearrange code
11675 a little for clarity.
11676 * configure.in: Check for -Wno-overlength-strings as well before
11677 enabling -pedantic in stage 1.
11678 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11679 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11681 * genconditions.c (write_header, write_one_condition)
11682 (write_conditions, write_writer): Consolidate very long strings
11683 that were broken up to fit in C89 portable limit. Don't use
11684 printf when fputs will do.
11686 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11688 * combine.c (simplify_comparison <AND>): Check
11689 TRULY_NOOP_TRUNCATION before start using a subreg.
11691 * config/mips/mips.md (*branch_zero<mode>,
11692 *branch_zero<mode>_inverted, *branch_equality<mode>,
11693 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11694 Remove mode check from comparisons.
11696 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11698 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11700 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11702 * expmed.c (const_mult_add_overflow_p): Remove.
11703 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11705 * recog.c (validate_replace_rtx_subexp): Remove.
11706 * recog.h: Remove the prototype for
11707 validate_replace_rtx_subexp.
11709 * integrate.h: Remove the prototype for
11710 copy_decl_for_inlining.
11711 * rtl.h: Remove the prototype for mark_constant_function.
11712 * tree-vectorizer.h: Remove the prototype for
11713 vect_strip_conversion.
11715 * modulo-sched.c (create_partial_schedule,
11716 free_partial_schedule, reset_partial_schedule): Make them
11717 static.
11719 * hooks.c (hook_bool_rtx_int_false): Remove.
11720 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11722 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11724 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11725 and -mlong-double-128 are incompatible.
11726 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11727 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11728 (TARGET_LIBGCC2_CFLAGS): Define.
11729 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11730 (TARGET_LIBGCC2_CFLAGS): Same.
11731 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11733 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11735 PR c/19606.
11736 * c-typeck.c (build_binary_op): Perform implicit casts of
11737 operands before shortening them.
11739 * cfgloopmanip.c (split_loop_bb): Remove.
11740 * cfgloop.h: Remove the prototype for split_loop_bb.
11742 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11743 * cfgloop.h: Remove the prototype for
11744 flow_loop_outside_edge_p.
11746 * emit-rtl.c (init_virtual_regs): Make it static.
11747 * function.h: Remove the prototype for init_virtual_regs.
11749 * recog.c (peephole2_optimize): Make it static.
11750 * recog.h: Remove the prototype for peephole2_optimize.
11752 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11754 * df-scan.c (df_record_entry_block_defs): Check if
11755 INCOMING_RETURN_ADDR_RTX is defined.
11757 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11758 Kenneth Zadeck <zadeck@naturalbridge.com>
11760 PR rtl-optimization/24762
11761 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11762 * targhooks.c (hook_void_bitmap): New hook prototype.
11763 * targhoohs.h (hook_void_bitmap): Ditto.
11764 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11765 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11766 * target.h (live_on_entry): New function pointer.
11767 * df-scan.c (df_all_hard_regs): Removed.
11768 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11769 (df_scan_free_internal): Added df->entry_block_defs.
11770 (df_scan_alloc): Ditto.
11771 (df_scan_dump): Ditto.
11772 (df_uses_record): Plumbed flag field properly thru calls.
11773 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11774 This part fixes PR24762.
11775 (df_bb_refs_record): Added code to make the frame and arg
11776 pointers live in EH blocks.
11777 (df_refs_record): Added call to df_record_entry_block_defs.
11778 (df_record_entry_block_defs): New function.
11779 * df-core.c: Added comments to describe new artifical defs.
11780 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11781 (entry_block_defs): New field in struct df.
11782 (df_all_hard_regs): Deleted.
11783 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11784 * df-problems.c (df_ru_bb_local_compute_process_def):
11785 Added code to handle artifical defs in the entry to a function.
11786 (df_ru_bb_local_compute): Ditto.
11787 (df_rd_bb_local_compute_process_def): Ditto.
11788 (df_rd_bb_local_compute): Ditto.
11789 (df_lr_bb_local_compute): Ditto.
11790 (df_ur_bb_local_compute): Ditto.
11791 (df_urec_bb_local_compute): Ditto.
11792 (df_chain_create_bb): Ditto.
11793 (df_ur_local_finalize): Removed entry.
11794 (df_urec_init): Ditto.
11795 (df_urec_local_finalize): Ditto.
11796 (df_ri_bb_compute): Added detection of last use of pseudos.
11797 * Makefile.in (df-scan.o): Updated dependencies.
11798 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11799 * config/mips/mips.c (mips_set_live_on_entry): Added.
11800 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11801 for target hook.
11802 * dce.c (marked_insn_p): Added code to handle artifical defs.
11804 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11806 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11807 intrinsic.
11808 (_mm_cvtsi128_si64): Likewise.
11809 (_mm_cvtsd_si64): Likewise.
11810 (_mm_cvttsd_si64): Likewise.
11811 (_mm_cvtsi64_sd): Likewise.
11812 (_mm_cvtsi64_si128): Likewise.
11813 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11814 (_mm_cvtsi64_m64): Likewise.
11815 (_m_to_int64): Likewise.
11816 (_mm_cvtm64_si64): Likewise.
11817 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11818 (_mm_cvttss_si64): Likewise.
11819 (_mm_cvtsi64_ss): Likewise.
11820 (_mm_cvtss_f32): Likewise.
11822 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11824 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11825 for pragma redefine_extname.
11827 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11829 PR target/25864
11830 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11831 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11832 -mno-minimal-toc to previous content.
11833 (bispecs): Remove goal.
11834 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11835 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11836 compatibility aliases on powerpc-*-*gnu*.
11837 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11838 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11839 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11840 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11841 (ldblspecs): New goal.
11842 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11843 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11844 _df_to_tf.
11845 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11846 L_sf_to_tf or L_df_to_tf is defined.
11848 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11849 Alan Modra <amodra@bigpond.net.au>
11851 PR target/25864
11852 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11853 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11854 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11855 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11856 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11857 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11858 (rs6000_override_options): Initialize rs6000_ieeequad.
11859 Initialize TFmode format to ibm_extended_format if not
11860 TARGET_IEEEQUAD.
11861 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11862 ieeelongdouble.
11863 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11864 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11865 (function_arg_advance): IBM long double passed in two FPRs, not
11866 split.
11867 (function_arg): IBM long double passed in FPRs.
11868 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11869 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11870 Only multireg GPR aligned.
11871 (rs6000_init_libfuncs): Enable IBM long double functions if not
11872 IEEEQUAD.
11873 (rs6000_generate_compare): Use IBM long double compare if not
11874 TARGET_IEEEQUAD.
11875 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11876 (TARGET_IEEEQUAD): Define.
11877 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11878 not TARGET_IEEEQUAD.
11879 * config/rs6000/rs6000.md: Enable TFmode patterns if
11880 !TARGET_IEEEQUAD.
11881 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11882 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11883 and -mlong-double-128 are incompatible.
11884 * doc/invoke.texi (-mabi): Collect options together. Add
11885 ibmlongdouble and ieeelongdouble.
11887 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11889 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11890 opaque type.
11891 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11892 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11893 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11894 * rtl.h (rtunion_def): Remove rt_ptr.
11895 (X0PTR): Delete.
11896 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11897 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11898 * config/i386/winnt.c (i386_pe_mark_dllexport)
11899 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11901 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11903 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11905 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11907 PR other/24829
11908 PR target/24831
11909 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11910 pthread_key_delete. From John David Anglin. gthrw-ify
11911 pthread_getunique_np only if it it's not a macro. Delete
11912 UNUSED macro.
11913 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11914 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11915 __gthread_objc_condition_signal, __gthread_key_delete): Add
11916 "__attribute__ ((__unused__))" to unused arguments.
11917 (__gthread_recursive_mutex_init_function): Add missing return.
11918 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11919 gthr-posix95.h: Use macro-based approach for name redirection
11920 on targets missing weakref.
11922 2006-01-26 Zack Weinberg <zackw@panix.com>
11924 * genconditions.c (write_header): In generated code, #ifdef out
11925 all includes and fake declarations, except includes of bconfig.h
11926 and system.h, unless GCC_VERSION >= 3001. Do not include
11927 gensupport.h in any case.
11928 (write_conditions): Generate a definition of struct c_test. Add
11929 a comment to the generated #endif.
11930 (write_one_condition): Escape backslashes in string too.
11931 (write_writer): Generated code must escape backslashes and quote
11932 marks (but not newlines) in the strings it writes.
11933 * Makefile.in (build/gencondmd.o): Update dependencies.
11935 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11937 PR target/25961
11938 * Makefile.in (insn-automata.o): Add header file dependencies.
11939 * genautomata.c: Add includes.
11941 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11943 PR target/25961
11944 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11946 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11948 * configure.ac: Expect target tools paths to be passed from the toplevel
11949 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11950 AS_SET_VAR_IF.
11951 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11953 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11955 PR c/25892
11956 * c.opt (Wpointer-sign): Init to -1.
11957 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11958 OPT_pedantic, to 0 otherwise.
11959 * doc/invoke.texi: Update.
11961 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11963 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11964 constants provided by 80387 instructions in the destination mode.
11966 2006-01-26 Richard Guenther <rguenther@suse.de>
11967 Andrew Pinski <pinskia@physics.uc.edu>
11969 PR tree-opt/21470
11970 partial PR tree-opt/17064
11971 * tree-ssa-structalias.c (intra_create_variable_infos):
11972 Create heap variables for incoming parameters if
11973 flag_argument_noalias > 1.
11974 (find_what_p_points_to): Look through default defs of
11975 parameter decls.
11977 2006-01-26 Jeff Law <law@redhat.com>
11979 PR ada/25900
11980 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11981 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11982 within the VR_RANGE, use the VR_RANGE as the result, not the
11983 VR_ANTI_RANGE.
11984 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11985 bounds for the type.
11987 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11989 * tree-ssa-alias.c (maybe_create_global_var): Change
11990 subvar walking to an assertion that we don't have subvar'd variables.
11992 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11994 PR C/25861
11995 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11996 Use a new variable, inner. PARM_DECLs are always non-weak.
11998 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12000 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12001 --disable-checking.
12003 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12005 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12007 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12009 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12010 (smax_insn, smin_insn, smax_0, smin_0): New.
12012 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12014 PR target/25947
12015 * config/cris/cris.c (cris_order_for_addsi3): New function.
12016 * config/cris/cris-protos.h: Prototype it.
12017 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12018 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12019 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12020 (split for "op.S1 [rx=rx+i],ry (swapped)")
12021 (split for "op(s|u).S1 [rx=rx+i],ry")
12022 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12023 Apply cris_order_for_addsi3 when generating addsi3 insns.
12025 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12027 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12028 (TREE_BLOCK): Add call to EXPR_CHECK.
12030 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12032 PR 25886
12033 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12034 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12035 (dump_omp_clauses): ... here.
12036 (dump_generic_node): Handle OMP_CLAUSE.
12037 * tree.c (omp_clause_num_ops): New.
12038 (omp_clause_code_name): New.
12039 (tree_code_size): Handle OMP_CLAUSE.
12040 (tree_size): Likewise.
12041 (make_node): Document handling of OMP_CLAUSE.
12042 (tree_node_structure): Handle OMP_CLAUSE.
12043 (omp_clause_check_failed): New.
12044 (omp_clause_range_check_failed): New.
12045 (omp_clause_operand_check_failed): New.
12046 (build_omp_clause): New.
12047 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12048 * tree.h (enum omp_clause_code): Declare.
12049 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12050 (OMP_CLAUSE_RANGE_CHECK): Define.
12051 (OMP_CLAUSE_ELT_CHECK): Define.
12052 (omp_clause_check_failed): Declare.
12053 (omp_clause_operand_check_failed): Declare.
12054 (omp_clause_range_check_failed): Declare.
12055 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12056 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12057 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12058 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12059 (OMP_CLAUSE_IF_EXPR): Likewise.
12060 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12061 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12062 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12063 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12064 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12065 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12066 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12067 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12068 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12069 (OMP_CLAUSE_CODE): Define.
12070 (OMP_CLAUSE_SET_CODE): Define.
12071 (OMP_CLAUSE_CODE): Define.
12072 (OMP_CLAUSE_OPERAND): Define.
12073 (struct tree_omp_clause): Declare.
12074 (union tree_node): Add field 'omp_clause'.
12075 * treestruct.def (TS_OMP_CLAUSE): Define.
12076 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12077 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12078 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12079 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12080 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12081 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12082 (OMP_CLAUSE): Define.
12083 * print-tree.c (print_node): Handle OMP_CLAUSE.
12084 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12085 * c-typeck.c: Likewise.
12086 * gimplify.c: Likewise.
12087 * c-omp.c: Likewise.
12088 * tree-nested.c: Likewise.
12089 * tree-inline.c: Likewise.
12090 * c-parser.c: Likewise.
12091 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12092 clauses.
12094 2006-01-25 Roger Sayle <roger@eyesopen.com>
12096 PR rtl-optimization/25703
12097 * combine.c (try_combine): Handle zero_extract and strict_low_part
12098 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12100 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12102 * global.c: Fix comment typos.
12104 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12106 PR target/25758
12107 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12108 Use output_addr_const instead of assemble_name.
12110 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12112 * Makefile.in (sched-vis.o): Update dependencies.
12113 * haifa-sched.c (sched_finish): Clear current_sched_info.
12114 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12115 (dump_flow_info): Call it.
12116 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12117 a slim RTL dump.
12118 * basic-block.h (dump_bb_info): Declare.
12119 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12120 option, and apply options only for dump files whose TDF_RTL,
12121 TDF_TREE, or TDF_IPA bits match.
12122 * rtl.h: Declare new functions exported from sched-vis.c.
12123 * sched-vis.c: Enable also if scheduling is not used.
12124 (print_value): Print the mode of registers if not inside scheduling.
12125 (print_insn): Make it work outside the scheduler. Beautify the output
12126 a bit.
12127 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12129 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12131 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12132 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12133 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12134 depending on the value of CONSTANT_POOL_ADDRESS_P.
12135 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12136 SYMBOL_REF_DECL.
12137 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12138 rather than SYMBOL_REF_DECL.
12139 (rtx_constant_pool): Remove const_rtx_sym_htab.
12140 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12141 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12142 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12143 Remove handling of const_rtx_sym_htab.
12144 (find_pool_constant): Delete.
12145 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12146 rather than find_pool_constant.
12147 (get_pool_constant_for_function): Delete.
12148 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12149 find_pool_constant.
12150 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12151 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12152 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12153 (SYMBOL_REF_CONSTANT): New macro.
12154 (get_pool_constant_for_function): Delete.
12155 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12156 rather than SYMBOL_REF_DECL.
12157 (i386_pe_mark_dllimport): Likewise.
12158 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12159 rather than SYMBOL_REF_DECL.
12160 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12161 (machopic_indirect_call_target): Likewise.
12163 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12165 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12167 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12169 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12171 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12173 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12175 2006-01-24 David Daney <ddaney@avtrex.com>
12177 PR java/25816
12178 * configure.ac (enable_tls): New enable option.
12179 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12180 * configure: Regenerate.
12181 * doc/install.texi (--enable-tls): Document new option.
12182 (--disable-tls): Ditto.
12184 2006-01-24 Richard Henderson <rth@redehat.com>
12186 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12187 * alias.c (true_dependence): Respect it.
12188 (canon_true_dependence, write_dependence_p): Likewise.
12189 * builtins.c (get_builtin_sync_mem): Set it.
12191 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12193 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12194 efficient way.
12196 2006-01-24 DJ Delorie <dj@redhat.com>
12198 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12199 for storing constants in single-bit bitfields.
12201 2006-01-25 Ben Elliston <bje@au.ibm.com>
12203 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12205 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12207 PR tree-opt/25860
12208 * tree-ssa-pre.c (phi_translate): Return NULL
12209 for AGGREGATE_TYPE's.
12211 2006-01-24 Zack Weinberg <zackw@panix.com>
12213 * genautomata.c (process_state_for_insn_equiv_partition):
12214 Use xcalloc for insn_arcs_array.
12215 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12216 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12218 2006-01-24 Richard Henderson <rth@redhat.com>
12220 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12221 update all callers.
12223 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12225 PR rtl-optimization/25890
12226 PR rtl-optimization/25905
12227 * combine.c (expand_compound_operation, expand_field_assignment):
12228 Fail if the bitfield's final position is out of bounds.
12230 2006-01-24 Ian Lance Taylor <ian@airs.com>
12232 PR middle-end/25930
12233 * cgraphunit.c (cgraph_output_in_order): Don't clear
12234 cgraph_asm_nodes until after asm strings have been output.
12236 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12238 * fix-header.c (read_scan_file): Add new parameter imultilib when
12239 calling register_include_chains.
12241 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12243 * omp-low.c: Update documentation.
12245 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12246 Daniel Berlin <dberlin@dberlin.org>
12248 PR tree-opt/25315
12249 PR tree-opt/25857
12250 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12251 return from the function.
12253 2006-01-22 Zack Weinberg <zackw@panix.com>
12255 * rtl.def (match_code): Add second argument.
12256 * genpreds.c (write_extract_subexp): New function.
12257 (write_match_code): Add path argument. Use write_extract_subexp.
12258 (write_predicate_expr): Pass path to write_match_code.
12259 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12260 not perform a mode test.
12261 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12262 a subexpression does not constrain the top-level code set.
12263 * read-rtl.c (read_rtx_variadic): New function.
12264 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12265 * doc/md.texi: Document new notation.
12266 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12267 (cmpsi_operand): ... here, using new notation.
12269 2006-01-22 Zack Weinberg <zackw@panix.com>
12271 * varray.c: Remove GENERATOR_FILE #ifdefs.
12273 2006-01-22 Zack Weinberg <zackw@panix.com>
12275 * genautomata.c (output_reserved_units_table): Emit nothing if
12276 description->query_units_num is zero. Remove extra blank line.
12277 (output_cpu_unit_reservation_p): Short circuit
12278 if description->query_units_num is zero.
12280 2006-01-22 Zack Weinberg <zackw@panix.com>
12282 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12283 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12284 nor any of the random handful of variables that used to be necessary
12285 when this program was linked with rtlanal.o. Prune set of forward
12286 function declarations.
12287 (struct attr_desc): Remove static_p field.
12288 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12289 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12290 (attr_string): Do not read the character one past the length of
12291 the string.
12292 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12293 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12294 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12295 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12296 (make_automaton_attrs): New.
12297 (main): Do not call into genautomata. Call local gen_bypass
12298 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12299 Remove special case for insn_alts.
12300 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12301 varray.h (leftover from previous change). Prune set of forward
12302 function declarations. Remove state_alts fields from all
12303 structures. Remove state_alts_table from struct automaton.
12304 Make everything except main static. Do not maintain num_dfa_decls.
12305 Do not maintain state_alts fields of various structures.
12306 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12307 (add_arc): Remove state_alts argument. All callers updated.
12308 (output_reserved_units_table): Emit #ifdef here...
12309 (output_tables): ...not here. Don't generate state_alts tables.
12310 (expand_automata): Don't generate attributes.
12311 (write_automata): Don't generate state_alts functions.
12312 (main): New function.
12313 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12314 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12315 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12316 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12317 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12318 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12319 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12320 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12321 Delete.
12322 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12323 * genattrtab.h: Delete file.
12324 * Makefile.in (OBJS-common): Add insn-automata.o.
12325 (insn-automata.o): New rule.
12326 (simple_generated_c): Add insn-automata.c.
12327 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12328 (genprogmd): Add automata.
12329 (build/genattrtab): Needs no extra objects nor libraries.
12330 (build/genautomata): Needs build/vec.o and -lm.
12332 2006-01-22 Zack Weinberg <zackw@panix.com>
12334 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12335 (output_dfa_max_issue_rate, locked_states_num): Delete.
12336 (struct automaton): Add locked_states field.
12337 (output_dead_lock_vect): Save number of locked states in
12338 automaton->locked_states. If it is zero, don't print anything.
12339 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12340 (output_internal_dead_lock_func): Only test the dead_lock_vect
12341 for automata that have locked states.
12342 (output_statistics): Always print the number of locked states for
12343 each automaton. Calculate total number of locked states here.
12344 (write_automata): Don't call output_dfa_max_issue_rate.
12345 * genattrtab.c: Define length_unit_log as a const variable.
12346 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12347 max_insn_queue_index const.
12348 * final.c (length_unit_log): Declare const.
12349 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12351 2006-01-22 Zack Weinberg <zackw@panix.com>
12353 * genautomata.c: Include vec.h, not varray.h.
12354 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12355 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12356 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12357 VEC_* macros operating on appropriately typed vectors, or to
12358 malloced arrays when the size is known in advance. Const-ify
12359 many char* variables and function arguments. No functional changes.
12360 * Makefile.in (build/varray.o): Delete rule.
12361 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12362 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12364 2006-01-22 Zack Weinberg <zackw@panix.com>
12366 * gensupport.c: Define get_insn_name and record_insn_name here.
12367 (read_md_rtx): Call record_insn_name as appropriate.
12368 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12369 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12370 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12371 record_insn_name.
12372 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12373 (BUILD_VARRAY): Delete.
12374 (genprognormal): Rename genprogmd. Fold in all programs from
12375 genprognoprint; also attrtab.
12376 (build/genattrtab): Just mention genautomata.o and varray.o.
12377 Reorganize a bit, add comments to make the categories clearer.
12379 2006-01-22 Zack Weinberg <zackw@panix.com>
12381 * genconditions.c (condition_table, add_condition): Delete.
12382 (write_conditions): Don't emit n_insn_conditions nor
12383 insn_elision_unavailable. Issue the gcc version #ifdef here,
12384 inside the table, with no #else clause ...
12385 (write_header): ...not here.
12386 (write_writer): New function.
12387 (main): Don't initialize condition_table. Use add_c_test.
12388 Call write_writer.
12389 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12390 files on the command line.
12391 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12392 Return -1 if there is no entry in the table, don't abort.
12393 (add_c_test, traverse_c_tests): New functions.
12394 * gensupport.h (insn_elision_unavailable, insn_conditions)
12395 (n_insn_conditions): Delete declarations.
12396 (add_c_test, traverse_c_tests): Declare.
12397 * read-rtl.c: Include gensupport.h.
12398 (read_conditions): New function.
12399 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12400 (read_rtx_1): If we get EOF when we were looking for an initial
12401 open paren, return 0. Call read_conditions when appropriate.
12402 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12403 dummy-conditions.o. Eliminate references to insn-conditions.o,
12404 or change them to build/gencondmd.o, as appropriate. Remove
12405 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12406 from $(simple_generated_c). For all files remaining in those
12407 two lists, add insn-conditions.md to the generator command line.
12408 Give insn-constants.h/s-constants their own rules. Add rules
12409 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12410 (build/read-rtl.o): Depend on gensupport.h.
12411 (genprognormal): Include preds.
12412 (genprogearly): Rename genprognoprint; only difference is now that
12413 they don't link with $(BUILD_PRINT).
12414 * dummy-conditions.c: Delete.
12416 2006-01-22 Zack Weinberg <zackw@panix.com>
12418 * genextract.c: Don't include insn-config.h. Do include vec.h.
12419 Declare vectors of int, char, and locstr.
12420 (locstr): New typedef.
12421 (struct extraction): Make all array fields into bare pointers.
12422 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12423 (insn_code_number): Delete.
12424 (accum_extract): New struct.
12425 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12426 (gen_insn): Take insn_code_number as an argument. Use an
12427 accum_extract structure instead of loading data directly into
12428 a struct extraction, and having to know how big it might get.
12429 (walk_rtx): Operate entirely on an accum_extract structure.
12430 (print_path): Avoid unnecessary use of printf.
12431 (print_header): New function, split out of main. Distinguish
12432 more carefully between an unrecognizable insn and an insn that
12433 has the code number of a define_expand.
12434 (main): Pass insn_code_number to gen_insn. Call print_header
12435 only after parsing. Avoid unnecessary use of printf.
12436 * Makefile.in (build/vec.o): New rule.
12437 (build/genextract): Depend on build/vec.o.
12438 (build/genextract.o): Don't depend on insn-config.h.
12440 2006-01-22 Zack Weinberg <zackw@panix.com>
12442 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12443 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12444 practical. Eliminate per-generator-program link rules.
12446 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12448 PR middle-end/24437
12449 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12450 with a call expr to ...
12451 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12453 2006-01-23 Richard Guenther <rguenther@suse.de>
12455 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12456 before make_edge with conditional EDGE_TRUE_VALUE.
12458 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12459 Jan Hubicka <jh@suse.cz>
12460 Richard Guenther <rguenther@suse.de>
12462 PR rtl-optimization/25654
12463 * cfgexpand.c (aggregate_contains_union_type): New function.
12464 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12465 for structure variables that contain a union type.
12467 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12469 * gengtype.c (new_structure): Return the structure.
12470 (create_option): Add an extra "next" argument.
12471 (create_field): New function.
12472 (adjust_field_rtx_def): Use create_option and create_field.
12473 Remove a now-unnecessary call to find_structure.
12474 (adjust_field_tree_def): Likewise.
12475 (note_yacc_type): Remove an unnecessary call to find_structure.
12476 * gengtype.h (new_structure): Return the structure.
12477 (create_option): Add an extra argument.
12478 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12479 (option): Adjust calls to create_option.
12481 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12483 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12485 2006-01-22 Paul Brook <paul@codesourcery.com>
12486 Peter Barada <peter@the-baradas.com>
12488 * config/m68k/m68k.md: Add Coldfire FPU support.
12489 Define FP mode macro and associated attributes.
12490 Use it for float mode patterns.
12491 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12492 (LIBCALL_VALUE): Use m68k_libcall_value.
12493 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12494 (m68k_function_value): Ditto.
12495 (emit_move_sequence): Ditto.
12496 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12497 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12498 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12499 (MULTILIB_EXCEPTIONS): Ditto.
12500 * config/m68k/m68k.opt: Add mcfv4e.
12501 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12502 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12503 (m68k_output_function_prologue): Save ColdFire FPU registers.
12504 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12505 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12506 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12507 ColdFire FPU registers.
12508 (m68k_libcall_value, m68k_function_value): New functions.
12509 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12510 (LIBCALL_VALUE): Use m68k_libcall_value.
12511 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12512 (MASK_COLDFIRE): Add MASK_CFV4E.
12513 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12514 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12515 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12516 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12517 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12518 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12519 * doc/invoke.tex: Document -mcfv4e on m68k.
12521 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12523 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12524 URL.
12526 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12528 PR c++/16190
12529 * c-opts.c (c_common_handle_option): Don't include
12530 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12531 * doc/invoke.texi (C++ Dialect Options): Document that
12532 -Wnon-virtual-dtor is no longer included in -Wall.
12534 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12536 * gcov.c (print_version), gcov-dump.c (print_version),
12537 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12538 dates.
12540 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12542 * df-scan.c (problem_SCAN): Added NULL reset function.
12543 (df_scan_reset_blocks): Added code to call reset block function
12544 (df_bb_refs_delete) Fixed comment.
12545 (df_insn_refs_delete): Made tolerant of deleting non existent info
12546 for dataflow problems that need to be reset.
12547 * df-core.c (df_set_blocks): Ditto.
12548 * df.h (struct df_problem): Added reset_fun.
12549 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12550 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12551 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12552 functions to clear out all references to def-use or use-def chains.
12554 2006-01-21 Ben Elliston <bje@au.ibm.com>
12556 * varasm.c (assemble_real): Initialise data array.
12558 2006-01-20 Paul Brook <paul@codesourcery.com>
12560 Merge from csl-arm-branch.
12561 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12562 * config/arm/arm.md (movdi): Force operands[1] to a register
12563 if we have a non-register source.
12564 (*arm_movdi, *movdf_soft_insn): Require that one of the
12565 operands be a register.
12566 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12567 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12569 2006-01-20 DJ Delorie <dj@redhat.com>
12571 * varasm.c (initializer_constant_valid_p): Allow pointers
12572 initialized from integer constants of lesser precision.
12573 (output_constant): Allow non-int-sized pointer modes to be
12574 initialized from integer constants.
12576 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12578 PR libstdc++/25524
12579 * cppdefault.h (struct default_include): Add multilib flag.
12580 * cppdefault.c (cpp_include_defaults): Set it.
12581 * c.opt (-imultilib): New option.
12582 * c-opts.c (imultilib): New.
12583 (c_common_handle_option): Handle -imultilib.
12584 (c_common_post_options): Likewise.
12585 * c-incpath.c (add_standard_paths, register_include_chains):
12586 Likewise.
12587 * c-incpath.h (register_include_chains): Add extra parameter.
12588 * gcc.c (do_spec_1): Generate -imultilib option.
12589 (The Specs Language): Update %I description.
12590 (process_command): Update copyright notice.
12591 * doc/cppopts.texi (-imultilib): Document.
12592 * doc/invoke.texi (-imultilib): Include in option summary.
12593 (%I): Update specs documentation.
12595 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12597 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12599 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12601 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12602 label numbers.
12604 2006-01-20 Richard Guenther <rguenther@suse.de>
12605 Steven Bosscher <stevenb.gcc@gmail.com>
12607 PR rtl-optimization/24626
12608 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12609 EDGE_TRUE_VALUE if in RTL mode.
12611 Revert
12612 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12613 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12615 2006-01-20 Dirk Mueller <dmueller@suse.com>
12617 PR c++/5520
12618 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12619 instead of a special NOP marker.
12620 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12621 NOP marker handling.
12622 * c-common.h (empty_body_warning): Add forward declaration.
12623 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12624 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12626 2006-01-20 Paul Brook <paul@codesourcery.com>
12628 * Makefile.in (lang_checks): Keep going if mkdir fails.
12630 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12632 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12633 be able to clean out basic block when not necessary.
12634 (df_scan_free): Fixed to properly delete information if df is
12635 unused before calling df_finish.
12636 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12637 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12638 or comment typos.
12639 (df_bb_refs_delete): New function.
12640 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12641 * df-core.c (df_set_blocks): Added code to properly clean out
12642 unused blocks if they are not part of the blocks to consider.
12643 Added additional null check.
12644 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12645 be able to clean out basic block when not necessary
12646 * df.h (df_free_bb_function): Ditto.
12647 (df_bb_refs_delete): New function.
12648 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12649 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12650 basic block parameter to be able to clean out basic block when not
12651 necessary.
12652 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12653 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12654 Fixed to properly delete information if df is unused before
12655 calling df_finish.
12657 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12659 PR rtl-optimization/25799
12660 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12661 Corrected confluence operator to remove bits from op2 before oring
12662 with op1 rather than removing bits from op1.
12663 (df_ru_transfer_function): Corrected test on wrong bitmap which
12664 caused infinite loop. Both of these problems were introduced in
12665 the dataflow rewrite.
12667 2006-01-19 DJ Delorie <dj@redhat.com>
12669 * reload1.c (find_reload_regs): Note the details of reload
12670 failures in the dump file.
12671 (spill_failure): Likewise.
12673 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12675 * loop-iv.c: Include df.h and hashtab.h.
12676 (enum iv_grd_result): New enum.
12677 (DF_REF_IV, DF_REF_IV_SET): New macros.
12678 (struct biv_entry): New.
12679 (df, bivs): New global variables.
12680 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12681 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12682 Removed.
12683 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12684 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12685 analyzed_for_bivness_p, record_biv): New functions.
12686 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12687 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12688 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12689 UD chains.
12690 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12691 analysed.
12692 (iv_number_of_iterations): Use new interface to iv analysis.
12693 * loop-unroll.c: Do not include varray.h.
12694 (analyze_iv_to_split_insn): Use new interface to iv
12695 analysis.
12696 * loop-unswitch.c (may_unswitch_on): Ditto.
12697 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12698 allocated.
12699 (df_bb_modify): Realloc tables to the new index.
12700 (df_find_use): New function.
12701 * df.h (df_find_use): Declare.
12702 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12703 outmode.
12704 * cfgloop.h (struct rtx_iv): Remove analysed field.
12705 (iv_get_reaching_def): Removed.
12706 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12707 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12708 (loop-iv.o): Add df.h and hashtab.h dependency.
12709 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12711 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12713 PR target/25668
12714 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12715 Double TFmode.
12716 (__floatundisf, __floatundidf): Likewise.
12717 * libgcc2.h (IS_IBM_EXTENDED): Define.
12719 2006-01-19 DJ Delorie <dj@redhat.com>
12721 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12723 2006-01-19 Paul Brook <paul@codesourcery.com>
12725 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12726 as nothrow when unwinding tables are disabled.
12728 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12730 PR testsuite/25171
12731 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12732 of bit-field" when in system header.
12734 2006-01-19 DJ Delorie <dj@redhat.com>
12736 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12737 the 16 bit shift limit of the m16c.
12739 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12741 PR target/22099
12742 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12743 * config/i386/i386.c (output_set_got): Output the label if we have one
12744 for the TARGET_DEEP_BRANCH_PREDICTION case.
12746 2006-01-19 Jan Hubicka <jh@suse.cz>
12747 H.J. Lu <hongjiu.lu@intel.com>
12748 Evandro Menezes <evandro.menezes@amd.com>
12750 * invoke.texi (generic): Document
12751 (i686) Update.
12752 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12753 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12754 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12755 (x86_use_incdec, x86_pad_returns): New variables
12756 (TARGET_CPU_DEFAULT_generic): New constant
12757 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12758 (enum processor_type): Add generic32 and generic64.
12759 * i386.md (cpu attribute): Add generic32/generic64
12760 (movhi splitter): Behave sanely when both partial_reg_dependency and
12761 partial_reg_stall are set.
12762 (K8 splitters): Enable for generic as well.
12763 * predicates.md (incdec_operand): Use TARGET_INCDEC
12764 (aligned_operand): Avoid memory mismatch stalls.
12765 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12766 * ppro.md: Enable for generic32
12767 * i386.c (generic64_cost, generic32_cost): New.
12768 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12769 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12770 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12771 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12772 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12773 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12774 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12775 x86_accumulate_outgoing_args, x86_prologue_using_move,
12776 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12777 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12778 Enable for generic.
12779 (x86_use_incdec, x86_pad_returns): New.
12780 (override_options): Add generic32 and generic64, translate "generic"
12781 to generic32/generic64 and "i686" to "generic32", refuse
12782 "generic32"/"generic64" as arch target.
12783 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12784 (ix86_reorg): Honor PAD_RETURNS.
12786 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12788 * tree-pretty-print.c (dump_generic_node): Handle
12789 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12790 * cgraph.c (cgraph_expand_queue): Rename from
12791 cgraph_analyze_queue. Update all users.
12792 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12793 cgraph_expand_queue.
12794 (cgraph_expand_all_functions): Likewise.
12795 (cgraph_finalize_pending_functions): Remove. Update callers.
12797 * tree.h (OMP_DIRECTIVE_P): Define.
12798 (OMP_PARALLEL_FN): Define.
12799 (OMP_PARALLEL_DATA_ARG): Define.
12800 (OMP_SECTIONS_SECTIONS): Define.
12801 * tree-pass.h (pass_expand_omp): Declare.
12802 * omp-low.c (struct omp_region): Declare.
12803 (struct omp_context): Remove fields 'parallel_type',
12804 'parallel_start_ix' and 'parallel_start_additional_args'.
12805 Update all users.
12806 (struct omp_for_data): Rename from struct expand_omp_for_data.
12807 (omp_regions): New static variable.
12808 (root_omp_region): New static variable.
12809 (find_omp_clause): Make static.
12810 (is_in_combined_parallel_ctx): Remove.
12811 (is_combined_parallel): New.
12812 (extract_omp_for_data): Move earlier in the file.
12813 (workshare_safe_to_combine_p): New.
12814 (get_ws_args_for): New.
12815 (determine_parallel_type): Move earlier in the file.
12816 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12817 child function.
12818 (omp_copy_decl): Likewise.
12819 (create_omp_child_function): Likewise.
12820 (lookup_omp_region): New.
12821 (dump_omp_region): New.
12822 (debug_omp_region): New.
12823 (debug_all_omp_regions): New.
12824 (new_omp_region): New.
12825 (scan_omp_parallel): If parallel_nesting_level > 1, the
12826 directive is nested within another parallel directive.
12827 Set OMP_PARALLEL_FN.
12828 (scan_omp_for): Do not try to handle combined parallel+for
12829 cases.
12830 Remove FIXME comment.
12831 (scan_omp_nested): Remove.
12832 (scan_omp_1): Do not call scan_omp_nested when
12833 parallel_nesting_level is > 1.
12834 Do not change the DECL_CONTEXT of local variables found.
12835 (lookup_decl_in_outer_ctx): New.
12836 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12837 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12838 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12839 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12840 If CTX is nested, lookup VAR in the outer context when
12841 building copy assignment.
12842 (lower_send_clauses): Rename from expand_send_clauses.
12843 If CTX is nested, lookup VAR in the outer context when
12844 building copy assignments.
12845 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12846 If CTX is nested, lookup VAR in the outer context when
12847 building copy assignments.
12848 (expand_parallel_call): Rename from build_parallel_call.
12849 Handle combined parallel+workshare cases.
12850 Re-implement to emit code into the CFG.
12851 (list2chain): New.
12852 (expand_omp_parallel): Re-implement to emit code into the CFG.
12853 Call move_sese_region_to_fn to outline the sub-graph
12854 containing the parallel region.
12855 (expand_omp_for_1): Remove.
12856 (expand_omp_for_generic): Re-implement to emit code into the
12857 CFG.
12858 (expand_omp_for_static_nochunk): Likewise.
12859 (expand_omp_for_static_chunk): Likewise.
12860 (expand_omp_for): Likewise.
12861 (expand_omp_sections): Likewise.
12862 (remove_exit_barriers): New.
12863 (expand_omp_synch): New.
12864 (expand_omp): New.
12865 (build_omp_regions_1): New.
12866 (build_omp_regions): New.
12867 (execute_expand_omp): New.
12868 (gate_expand_omp): New.
12869 (pass_expand_omp): Define.
12870 (lower_omp_sections): Rename from expand_omp_sections.
12871 Set OMP_SECTIONS_SECTIONS.
12872 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12873 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12874 (lower_omp_single): Rename from expand_omp_simple.
12875 (lower_omp_master): Rename from expand_omp_master.
12876 (lower_omp_ordered): Rename from expand_omp_ordered.
12877 (lower_omp_critical): Rename from expand_omp_critical.
12878 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12879 (lower_omp_for): Re-implement.
12880 (lower_omp_parallel): Re-implement.
12881 (lower_regimplify): Rename from expand_regimplify.
12882 (lower_omp_1): Rename from expand_omp_1.
12883 If there are syntax errors in the program, replace every
12884 OpenMP directive with NOP.
12885 Call lower_omp_* instead of expand_omp_*.
12886 (lower_omp): Rename from expand_omp.
12888 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12889 * tree-gimple.h (enum omp_parallel_type): Remove.
12890 (gimple_boolify): Declare extern.
12891 (find_omp_clause, determine_parallel_type): Remove.
12893 * gimple-low.c (lower_omp_directive): New.
12894 (lower_stmt): Call it.
12895 (record_vars_into): Move from ...
12896 (record_vars): ... here.
12897 Call record_vars_into with current_function_decl.
12899 * gimplify.c (struct gimplify_ctx): Remove fields
12900 combined_pre_p and combined_ctxp. Update users.
12901 (get_formal_tmp_var): Add documentation.
12902 (gimple_boolify): Make extern.
12903 (gimplify_expr_in_ctx): Remove. Update callers.
12904 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12905 will always be a BIND_EXPR.
12906 (gimplify_expr): Handle OMP_RETURN_EXPR.
12907 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12908 (OMP_PARALLEL): Add 3 operands.
12909 (OMP_SECTIONS): Add 1 operand.
12910 (OMP_RETURN_EXPR): Define.
12912 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12913 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12914 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12915 creating a circular free list.
12916 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12918 * tree-flow.h (move_sese_region_to_fn): Declare.
12919 (record_vars_into): Declare.
12920 * tree-cfg.c (make_omp_sections_edges): New.
12921 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12922 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12923 OMP_SECTIONS and OMP_SECTION.
12924 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12925 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12926 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12927 (gather_blocks_in_sese_region): New.
12928 (struct move_stmt_d): Declare.
12929 (move_stmt_r): New.
12930 (move_block_to_fn): New.
12931 (move_sese_region_to_fn): New.
12933 * passes.c (init_optimization_passes): Schedule
12934 pass_expand_omp after pass_init_datastructures.
12936 * tree-ssa-operands.c (get_expr_operands): Handle
12937 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12938 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12940 2006-01-19 Jeff Law <law@redhat.com>
12942 * tree-vrp.c (extract_range_from_assert): Refine the result range
12943 if the variable referenced by the ASSERT_EXPR has a range and
12944 either the tentative result range or the previous range is a
12945 VR_ANTI_RANGE.
12947 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12949 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12951 2006-01-19 Jan Hubicka <jh@suse.cz>
12953 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12955 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12957 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12958 (expand_compound_operation, expand_field_assignment): Fail if the
12959 bit lengths of an extract operation are out of range.
12960 (make_extraction): Compute wanted_inner_mode based on the position
12961 and length of the extraction. Make it extraction_mode for non-constant
12962 positions, and do not modify offset in that case. When generating a
12963 new MEM, use a mode that can hold the extraction while keeping correct
12964 alignment. Remove code that supported MEMs wrapped by USEs.
12965 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12967 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12969 * config/s390/s390.md ("Y", "y"): New mode attribute.
12970 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12971 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12972 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12973 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12974 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12975 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12976 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12977 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12978 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12979 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12980 "addsi3", "subsi3"): Insn patterns removed.
12981 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12982 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12983 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12984 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12985 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12986 "*sub<mode>3_cconly2"): New insn patterns.
12987 ("addsi3", "subsi3"): New expanders.
12989 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12991 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12992 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12993 existing STMT_VINFO_VECTYPE if available.
12994 (vect_mark_relevant): Add special handling for stmts that are
12995 marked as STMT_VINFO_IN_PATTERN_P.
12996 (vect_analyze_loop): Call vect_pattern_recog.
12997 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12998 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12999 stmt_info.
13000 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13001 (vect_recog_func_ptr): New function-pointer type.
13002 * tree-vect-patterns.c: New file.
13003 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13004 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13005 (vect_pattern_recog_1): New functions.
13006 (vect_pattern_recog_funcs): New array of function pointers.
13008 * tree-vectorizer.h (ternary_op): New enum value.
13009 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13010 declaration. Revised documentation. Removed redundant dump prints.
13011 Removed redundant argument. Added support for reduction patterns.
13012 (vectorizable_reduction): Added support for reduction patterns.
13013 (vect_transform_stmt): Added support for patterns.
13015 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13016 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13017 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13018 (expand_widen_pattern_expr): New function.
13019 (init_optabs): Initialize new optabs udot_prod_optab,
13020 sdot_prod_optab.
13021 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13022 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13023 (expand_widen_pattern_expr): New function declaration.
13024 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13025 tree-codes.
13026 * tree-inline.c (estimate_num_insns_1): Added cases for new
13027 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13028 * tree-pretty-print.c (dump_generic_node): Likewise.
13029 (op_prio): Likewise.
13030 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13031 * tree-ssa-operands.c (get_expr_operands): Added case for
13032 DOT_PROD_EXPR.
13033 * tree-vect-patterns.c (widened_name_p): New function.
13034 (vect_recog_dot_prod_pattern): Added function implementation.
13035 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13036 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13037 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13038 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13040 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13041 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13042 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13043 (init_optabs): Initialize new optabs widen_ssum_optab,
13044 widen_usum_optab.
13045 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13046 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13047 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13048 use instead of type of def.
13049 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13050 function implementation.
13051 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13052 widen_ssumv8hi): New.
13054 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13055 patterns.
13057 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13059 PR c/25805
13060 * c-decl.c (add_flexible_array_elts_to_size): New function.
13061 (finish_decl): Use it.
13063 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13065 * diagnostic.h: Include options.h.
13066 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13067 dependancies for diagnostic.h.
13068 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13070 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13072 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13073 (ssa_ro_call_cache_valid): Ditto.
13074 * tree-ssa-alias.c (sort_tags_by_id): New function.
13075 (init_transitive_clobber_worklist): Ditto.
13076 (add_to_worklist): Ditto.
13077 (mark_aliases_call_clobbered): Ditto.
13078 (compute_tag_properties): Ditto.
13079 (set_initial_properties): Ditto.
13080 (compute_call_clobbered): Ditto.
13081 (compute_may_aliases): Call compute_call_clobbered and grouping.
13082 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13083 (compute_flow_insensitive_aliasing): Grouping now happens in our
13084 caller.
13085 (setup_pointers_and_addressables): Remove clobbering related code.
13086 (add_may_alias): Ditto.
13087 (replace_may_alias): Ditto.
13088 (get_nmt_for): Ditto.
13089 (create_global_var):
13090 (is_escape_site): Return an escape_type enumeration.
13091 * tree-flow-inline.h (is_call_clobbered): Global var does not
13092 imply call clobbered.
13093 (mark_call_clobbered): Take a reason for marking this. Remove
13094 marking of globalness, and cache invalidation.
13095 (clear_call_clobbered): Remove cache invalidation code.
13096 * tree-dfa.c (dump_variable): If details is on, dump the reason
13097 for escaping.
13098 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13099 variable.
13100 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13101 (struct var_ann_d): Ditto.
13102 (enum escape_type): New.
13103 (mark_call_clobbered): Adjust prototype.
13104 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13105 are never call clobbered.
13106 Record reasons for escaping.
13107 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13108 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13109 (ssa_ro_call_cache_valid): Ditto.
13110 (clobbered_v_may_defs): Ditto.
13111 (clobbered_vuses): Ditto.
13112 (ro_call_vuses): Ditto.
13113 (clobber_stats): New.
13114 (init_ssa_operands): Zero out clobber stats.
13115 (fini_ssa_operands): Print out clobber stats.
13116 (get_call_expr_operands): Pass callee fndecl to
13117 add_call_read_ops).
13118 (add_call_clobber_ops): Remove use of cache.
13119 Add use of PURE_CONST information.
13120 (add_call_read_ops): Remove use of cache.
13121 Add use of static not_read information.
13123 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13125 Introduce TLS descriptors for i386 and x86_64.
13126 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13127 (TARGET_ANY_GNU_TLS): New macro.
13128 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13129 (struct machine_function): Add tls_descriptor_call_expanded_p.
13130 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13131 (ix86_current_function_calls_tls_descriptor): Likewise.
13132 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13133 (override_options): Introduce gnu2 tls dialect.
13134 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13135 not leaves.
13136 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13137 Likewise.
13138 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13139 (ix86_init_machine_status): Initialize new field.
13140 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13141 (ix86_tls_module_base): New.
13142 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13143 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13144 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13145 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13146 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13147 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13148 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13149 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13150 * config/i386/predicates.md (tls_modbase_operand): New.
13151 (tp_or_register_operand): New.
13153 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13155 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13156 (look_for_address_of): Ditto.
13157 (ipa_init): Walk the function decls.
13158 (static_execute): Don't set readonly on FUNCTION_DECL's.
13160 2006-01-18 Roger Sayle <roger@eyesopen.com>
13162 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13163 for shifts where the source and destination registers are different.
13165 2006-01-18 Paul Brook <paul@codesourcery.com>
13167 Merge from csl-arm-branch.
13168 2005-03-14 Julian Brown <julian@codesourcery.com>
13169 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13170 (aeabi_llsl): Likewise.
13171 (ashrdi3): Likewise.
13172 (aeabi_lasr): Likewise.
13173 (lshrdi3): Likewise.
13174 (aeabi_llsr): Likewise.
13175 2005-03-10 Julian Brown <julian@codesourcery.com>
13176 * config.gcc: Disable shared libgcc for SymbianOS.
13177 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13179 2006-01-18 DJ Delorie <dj@redhat.com>
13181 * c-pragma.c (handle_pragma_diagnostic): New.
13182 (init_pragma): Register it.
13183 * doc/extend.texi: Document it.
13185 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13186 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13187 (diagnostic_context): Add classify_diagnostic[].
13188 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13189 as errors if they're overridden to DK_WARNING.
13190 (diagnostic_initialize): Initialize classify_diagnostic[].
13191 (diagnostic_set_kind_override): New.
13192 (diagnostic_report_diagnostic): Check for kind changes.
13193 * opts.c (common_handle_option): Take lang_mask. Update callers.
13194 Handle OPT_Werror_.
13195 * common.opt (Werror=): New.
13196 * doc/invoke.texi: Document -Werror=*
13198 2006-01-18 Jeff Law <law@redhat.com>
13200 * tree-vrp.c (test_for_singularity): Correct test for new
13201 min limit. Use operand_equal_p rather than pointer equality
13202 for testing if new min/max values are equal.
13204 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13205 using range information until after propagation and folding.
13207 2006-01-18 Richard Henderson <rth@redhat.com>
13208 Aldy Hernandez <aldyh@redhat.com>
13209 Jakub Jelinek <jakub@redhat.com>
13210 Diego Novillo <dnovillo@redhat.com>
13212 * omp-low.c: New file.
13213 * c-omp.c: New file.
13215 2006-01-18 Richard Henderson <rth@redhat.com>
13216 Jakub Jelinek <jakub@redhat.com>
13217 Diego Novillo <dnovillo@redhat.com>
13219 * doc/invoke.texi: Document -fopenmp.
13220 * tree-dump.h (debug_function): Declare.
13221 * hooks.c (hook_bool_tree_bool_false): New function.
13222 (hook_tree_tree_null): Remove.
13223 (hook_tree_tree_tree_null): New.
13224 * hooks.h: Update to match.
13225 * tree-pretty-print.c (debug_tree_chain): New.
13226 (print_generic_expr): Handle TDF_CHAIN.
13227 (dump_generic_node): Handle BLOCK.
13228 Do not abort with incomplete SWITCH_EXPRs.
13229 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13230 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13231 print space after directive name.
13232 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13233 Handle OMP_MASTER and OMP_ORDERED.
13234 Handle printing of OMP_BODY just in one place, goto
13235 dump_omp_body in the rest of OMP_* nodes that have
13236 OMP_BODY.
13237 Don't handle clause nodes here. Update omp statements to
13238 use dump_omp_clauses.
13239 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13240 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13241 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13242 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13243 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13244 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13245 Adjust output for GOMP_PARALLEL.
13246 (dump_omp_clauses): New.
13247 (print_declaration): Dump DECL_VALUE_EXPR.
13248 (op_symbol_1): Split out of op_symbol.
13249 (dumping_stmts): Remove. Update all users.
13250 * cgraph.c (cgraph_analyze_queue): New.
13251 (cgraph_add_new_function): New.
13252 * cgraph.h (cgraph_analyze_queue): Declare.
13253 (cgraph_add_new_function): Declare.
13254 (cgraph_lower_function): Remove.
13255 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13256 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13257 and TYPE_P nodes in its default clause.
13258 (empty_body_p): New.
13259 (tree_range_check_failed): New.
13260 (build5_stat): New.
13261 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13262 OMP_CLAUSE_REDUCTION_MERGE,
13263 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13264 OMP_CLAUSE_PRIVATE_DEBUG,
13265 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13266 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13267 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13268 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13269 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13270 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13271 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13272 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13273 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13274 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13275 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13276 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13277 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13278 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13279 (TREE_RANGE_CHECK): New.
13280 (empty_body_p): Declare.
13281 (enum omp_clause_default_kind): New.
13282 (build_string_literal): Declare.
13283 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13284 (build5_stat, build5): Declare.
13285 * tree-pass.h (TDF_CHAIN): Define.
13286 * tree-pass.h (PROP_gimple_lomp): Define.
13287 (pass_lower_omp): Declare.
13288 * diagnostic.h (debug_tree_chain): Declare.
13289 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13290 mode_for_size.
13291 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13292 * builtins.c (build_string_literal): Make extern.
13293 * gcc.c (include_spec_function): New.
13294 (static_spec_functions): Add it.
13295 (main): Move load of libgomp.spec ...
13296 (LINK_COMMAND_SPEC): ... here.
13297 (link_gomp_spec): New.
13298 (static_specs): Include it.
13299 (LINK_COMMAND_SPEC): Add link_gomp.
13300 (GOMP_SELF_SPECS): New.
13301 (driver_self_specs): Include it.
13302 (switch_matches): Don't mark inline.
13303 (main): Load libgomp.spec.
13304 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13305 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13306 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13307 * tree-gimple.h (enum omp_parallel): Declare.
13308 (determine_parallel_type): Declare.
13309 (omp_firstprivatize_variable): Declare.
13310 (omp_reduction_init): Declare.
13311 (diagnose_omp_structured_block_errors): Declare.
13312 (struct walk_stmt_info): Add want_return_expr.
13313 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13314 (find_omp_clause): Declare.
13315 (insert_field_into_struct): Declare.
13316 (struct walk_stmt_info): Move from tree-nested.c
13317 (walk_stmts): Declare.
13318 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13319 to 200505.
13320 * cgraphunit.c (cgraph_lower_function): Make static.
13321 (cgraph_finalize_pending_functions): New.
13322 (cgraph_finalize_function): Call it.
13323 (cgraph_finalize_compilation_unit): Likewise.
13324 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13325 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13326 (BT_FN_UINT_UINT): New.
13327 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13328 DEF_FUNCTION_TYPE_VAR_4): Document.
13329 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13330 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13331 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13332 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13333 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13334 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13335 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13336 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13337 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13338 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13339 into separate files.
13340 (DEF_GOMP_BUILTIN): New.
13341 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13342 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13343 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13344 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13345 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13346 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13347 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13348 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13349 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13350 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13351 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13352 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13353 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13354 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13355 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13356 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13357 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13358 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13359 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13360 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13361 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13362 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13363 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13364 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13365 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13366 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13367 * sync-builtins.def: New file, moved from builtins.def.
13368 * omp-builtins.def: New file, moved from builtins.def.
13369 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13370 * gimple-low.c (lower_function_body): Clear data.
13371 (lower_stmt): Do not handle COMPOUND_EXPR.
13372 Remove call to print_node_brief.
13373 * c-tree.h (c_finish_omp_clauses): New prototype.
13374 (C_DECL_THREADPRIVATE_P): Define.
13375 (lookup_name_no_remap, c_omp_remap_private): Remove
13376 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13377 (check_for_loop_decls): Update decl.
13378 (lookup_name_no_remap, c_omp_remap_private): Declare.
13379 (build_indirect_ref, build_modify_expr, pushdecl,
13380 pushdecl_top_level): Move to c-common.h.
13381 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13382 before the switch, but just in the 2 places that need it.
13383 * c-decl.c (diagnose_mismatched_decls): Do not check for
13384 mismatched thread-local attributes when OLDDECL is marked
13385 threadprivate and NEWDECL has no thread-local attributes.
13386 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13387 (c_gimple_diagnostics_recursively): Rename from
13388 c_warn_unused_result_recursively. Invoke
13389 diagnose_omp_structured_block_errors.
13390 (check_for_loop_decls): Return a singular decl found.
13391 * langhooks.c (lhd_omp_predetermined_sharing): Return
13392 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13393 (lhd_omp_firstprivatize_type_sizes): New.
13394 (lhd_omp_assignment): New.
13395 (lhd_omp_predetermined_sharing): New.
13396 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13397 (struct lang_hooks_for_types): Add
13398 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13399 omp_predetermined_sharing, omp_disregard_value_expr,
13400 omp_private_debug_clause, omp_clause_default_ctor,
13401 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13402 (c_finish_omp_clauses): New.
13403 (c_finish_bc_stmt): Diagnose break within omp for.
13404 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13405 (build_unary_op): Return error_mark after reporting
13406 a readonly_error.
13407 (build_modify_expr): Likewise.
13408 * gimplify.c: Include optabs.h and pointer-set.h.
13409 (enum gimplify_omp_var_data): Declare.
13410 (struct gimplify_omp_ctx): Declare.
13411 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13412 and combined_ctxp.
13413 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13414 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13415 (splay_tree_compare_decl_uid): New.
13416 (new_omp_context): New.
13417 (delete_omp_context): New.
13418 (gimple_add_tmp_var): Call omp_add_variable.
13419 (gimplify_bind_expr): Likewise.
13420 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13421 true, disregard DECL_VALUE_EXPR on the decl if any.
13422 (gimplify_expr_in_ctx): New.
13423 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13424 omp_add_variable, omp_notice_variable, omp_is_private
13425 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13426 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13427 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13428 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13429 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13430 gimplify_omp_atomic): New.
13431 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13432 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13433 OMP_CRITICAL and OMP_ATOMIC.
13434 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13435 * c-pragma.h (enum pragma_kind): Add
13436 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13437 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13438 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13439 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13440 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13441 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13442 PRAGMA_OMP_THREADPRIVATE.
13443 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13444 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13445 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13446 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13447 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13448 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13449 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13450 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13451 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13452 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13453 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13454 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13455 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13456 OpenMP directives.
13457 (struct nesting_info): Add field_map,
13458 suppress_expansion, debug_var_chain.
13459 (create_nesting_tree): Initialize them.
13460 (lookup_field_for_decl): Use field_map.
13461 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13462 (convert_local_omp_clauses): New.
13463 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13464 (walk_body): Split out of walk_function.
13465 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13466 (convert_nonlocal_reference): Handle omp statements.
13467 (convert_local_reference): Likewise.
13468 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13469 (unnest_nesting_tree): New.
13470 (lower_nested_functions): Call it.
13471 (insert_field_into_struct): Make extern.
13472 (struct walk_stmt_info): Move to tree-gimple.h.
13473 (walk_stmts): Make extern.
13474 * omp-builtins.def: New file.
13475 * tree-iterator.c (expr_only): Clarify comment.
13476 * c-common.h (pushdecl_top_level, pushdecl,
13477 build_modify_expr, build_indirect_ref,
13478 c_finish_omp_master, c_finish_omp_critical,
13479 c_finish_omp_ordered, c_finish_omp_barrier,
13480 c_finish_omp_atomic, c_finish_omp_flush,
13481 c_finish_omp_for, c_split_parallel_clauses,
13482 omp_clause_default_kind, c_omp_sharing_predetermined,
13483 c_omp_remap_decl): Declare.
13484 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13485 (OBJS-common): Add omp-low.o.
13486 (c-omp.o, omp-low.o): Add.
13487 (gimplify.o): Add dependency on $(OPTABS_H).
13488 (GTFILES): Add omp-low.c.
13489 (gt-stringpool.h): Add.
13490 * tree-cfg.c (set_bb_for_stmt): Do not update the
13491 block-to-labels map if we are currently expanding to RTL.
13492 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13493 checks.
13494 Handle IDENTIFIER_NODE.
13495 (tree_verify_flow_info): Do not ICE when emitting error
13496 messages about invalid labels.
13497 (dump_function_to_file): Reset CFUN before emitting the body
13498 of the function.
13499 (debug_function): New.
13500 * passes.c (init_optimization_passes): Schedule
13501 pass_lower_omp.
13502 * langhooks-def.h (lhd_omp_predetermined_sharing,
13503 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13504 Declare.
13505 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13506 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13507 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13508 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13509 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13510 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13511 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13512 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13513 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13514 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13515 (LANG_HOOK_DECLS): Use them.
13517 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13518 Richard Henderson <rth@redhat.com>
13519 Jakub Jelinek <jakub@redhat.com>
13520 Diego Novillo <dnovillo@redhat.com>
13522 * c-parser.c (pragma_omp_clause): Define.
13523 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13524 (c_parser_compound_statement): Likewise.
13525 (c_parser_statement): Likewise.
13526 (c_parser_pragma): Handle omp pragmas.
13527 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13528 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13529 (c_parser_omp_clause_name, check_no_duplicate_clause,
13530 c_parser_omp_variable_list,
13531 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13532 c_parser_omp_clause_copyprivate,
13533 c_parser_omp_clause_default,
13534 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13535 c_parser_omp_clause_lastprivate,
13536 c_parser_omp_clause_nowait,
13537 c_parser_omp_clause_num_threads,
13538 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13539 c_parser_omp_clause_reduction,
13540 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13541 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13542 c_parser_omp_atomic, c_parser_omp_barrier,
13543 c_parser_omp_critical, c_parser_omp_flush,
13544 c_parser_omp_for_loop, c_parser_omp_for,
13545 c_parser_omp_master, c_parser_omp_ordered,
13546 c_parser_omp_sections_scope, c_parser_omp_sections,
13547 c_parser_omp_parallel, c_parser_omp_single,
13548 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13549 * c-pragma.c (init_pragma): Do omp pragma registration here.
13550 * c.opt (fopenmp): New flag.
13552 2006-01-18 Eric Christopher <echristo@apple.com>
13554 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13555 * config/darwin.h (GOMP_SELF_SPECS): Define.
13557 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13559 * rtl.h: Remove the prototype for reg_alloc.
13561 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13563 PR target/25731
13564 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13565 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13566 sjlj and dwarf2 exception handling.
13567 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13568 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13569 * pa/pa.c (function_value): Treat complex and vector types as
13570 aggregates.
13571 (function_arg): Likewise. Only pass scalar floats in the floating
13572 point argument registers.
13573 * pa/t-slibgcc-dwarf-ver: New file.
13574 * pa/t-slibgcc-sjlj-ver: New file.
13575 * pa/t-slibgcc-elf-ver: Delete file.
13577 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13579 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13580 unlikely_test_section_p test.
13582 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13584 * mode-switching.c (optimize_mode_switching): Make it static.
13585 * basic-block.h: Remove the prototype for
13586 optimize_mode_switching.
13588 * modulo-sched.c (sms_schedule): Make it static.
13589 * rtl.h: Remove the prototype for sms_schedule.
13591 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13592 * rtl.h: Remove the prototype for gcse_after_reload_main.
13594 * reg-stack.c (reg_to_stack): Make it static.
13595 * rtl.h: Remove the prototype for reg_to_stack.
13597 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13598 Make them static.
13599 * rtl.h: Remove the prototypes for regrename_optimize and
13600 copyprop_hardreg_forward.
13602 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13604 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13605 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13606 Test against the appropriate null constant for the mode.
13607 If 'fixup_overlap' is true, swap the operands if they overlap.
13608 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13609 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13610 alpha_split_tmode_pair and adjust for above change.
13611 * config/alpha/alpha.md (movtf_internal): Adjust call to
13612 alpha_split_tfmode_pair and rely on it to swap the operands.
13613 (movti_internal): New insn and post-reload splitter.
13614 (movti): New expander.
13616 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13618 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13619 operands.
13621 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13623 * rtlanal.c (global_reg_mentioned_p_1,
13624 global_reg_mentioned_p): Remove.
13625 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13627 * flow.c (initialize_uninitialized_subregs): Make it static.
13628 * rtl.h: Remove the prototype for
13629 initialize_uninitialized_subregs.
13631 * function.c (instantiate_virtual_regs): Make it static.
13632 * function.h: Remove the prototype for
13633 instantiate_virtual_regs.
13635 * regmove.c (regmove_optimize, combine_stack_adjustments):
13636 Make them static.
13637 * rtl.h: Remove the prototypes for regmove_optimize and
13638 combine_stack_adjustments.
13640 2006-01-17 Roger Sayle <roger@eyesopen.com>
13642 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13643 (size_cost): Encode costs in bytes so that a reg-reg addition is
13644 equivalent to COSTS_N_INSNS(1).
13645 (override_options): Use the size_cost.branch_cost as the default
13646 ix86_branch_cost when optimizing for size.
13648 2006-01-18 Ben Elliston <bje@au.ibm.com>
13650 * Makefile.in (D32PBIT_FUNCS): New.
13651 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13652 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13653 D64PBIT_FUNCS and D128PBIT_FUNCS.
13654 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13655 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13656 D128PBIT are set.
13657 (decnumber_dep): Define.
13658 * doc/libgcc.texi (Decimal float library routines): New node.
13659 * config/dfp-bit.h, config/dfp-bit.c: New files.
13661 2006-01-18 Ben Elliston <bje@au.ibm.com>
13663 * expr.c (emit_move_change_mode): Always adjust addresses, not
13664 just during reload. Copy replacements only during reload.
13665 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13666 emit_move_via_integer.
13668 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13670 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13671 instead of $(srcdir) and ${srcdir}.
13673 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13675 PR target/592
13676 PR middle-end/11135
13677 * arm.h (struct machine_function): Add pic_reg.
13678 * arm.c (arm_pic_register): Make unsigned.
13679 (arm_override_options): Only set arm_pic_register if
13680 TARGET_SINGLE_PIC_BASE.
13681 (use_return_insn): Only test for a pic register if it is fixed.
13682 (arm_compute_save_reg0_reg12_mask): Likewise.
13683 (thumb_compute_save_reg_mask): Likewise.
13684 (legitimate_pic_operand): Factor out some known invariants.
13685 (legitimize_pic_address): If we don't have a fixed pic register,
13686 then set up a pseudo in the function entry sequence. Handle the
13687 pic base being in a pseudo.
13688 (arm_load_pic_register): Handle the pic register being in a pseudo.
13689 (arm_expand_prologue): Only set up the pic register if it is fixed.
13690 (thumb_expand_prologue): Likewise.
13691 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13692 (pic_load_addr_based_insn): Likewise.
13693 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13694 fixed.
13696 2006-01-18 Ben Elliston <bje@au.ibm.com>
13698 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13699 decimal float modes for all floating point registers.
13701 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13702 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13704 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13706 PR c/25682
13707 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13708 even when the pointer is not NULL.
13710 2006-01-16 Ian Lance Taylor <ian@airs.com>
13712 * common.opt (ftoplevel-reorder): New option.
13713 * cgraph.c (cgraph_asm_nodes): New global variable.
13714 (cgraph_asm_last_node): New static variable.
13715 (cgraph_order): New global variable.
13716 (cgraph_create_node): Set new order field.
13717 (cgraph_varpool_node): Likewise.
13718 (decide_is_variable_needed): Return true if not
13719 flag_toplevel_reorder.
13720 (cgraph_add_asm_node): New function.
13721 * cgraph.h (struct cgraph_node): Add order field.
13722 (struct cgraph_varpool_node): Add order field.
13723 (struct cgraph_asm_node): Define.
13724 (cgraph_asm_nodes, cgraph_order): Declare.
13725 (cgraph_add_asm_node): Declare.
13726 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13727 function.
13728 (cgraph_varpool_assemble_pending_decls): Call it.
13729 (cgraph_output_pending_asms): New static function.
13730 (cgraph_finalize_compilation_unit): Call it.
13731 (struct cgraph_order_sort): Define.
13732 (cgraph_output_in_order): New static function.
13733 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13734 !flag_toplevel_reorder case.
13735 * c-parser.c: Include "cgraph.h".
13736 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13737 assemble_asm.
13738 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13739 than -fno-unit-at-a-time.
13740 * doc/invoke.texi (Option Summary): Mention
13741 -fno-toplevel-reorder.
13742 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13743 -funit-at-a-time documentation.
13745 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13746 Kazu Hirata <kazu@codesourcery.com>
13748 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13750 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13752 * Makefile.in (FUNCTION_H): New. Use it instead of
13753 function.h throughout the file.
13754 * function.h: Include tree.h.
13756 2006-01-17 Ben Elliston <bje@au.ibm.com>
13758 * recog.c: Separate some functions with whitespace.
13760 2006-01-16 Richard Henderson <rth@redhat.com>
13762 Merge from gomp branch:
13763 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13764 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13765 and rename from struct inline_data. Rename callee* to dst*;
13766 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13767 transform_new_cfg, transform_return_to_modify, and
13768 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13769 update_clones_p.
13770 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13771 (copy_decl_for_dup): Remove.
13772 * tree-inline.c (struct inline_data): Move to header.
13773 (insert_decl_map): Export.
13774 (remap_decl): Update for member name changes. Use copy_decl hook.
13775 Allow for replacement to be a non-decl. Remove dead code.
13776 (remap_type_1): Check for existing mapping.
13777 (remap_type): Export.
13778 (remap_decls): Update for member name changes.
13779 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13780 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13781 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13782 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13783 (tree_function_versioning, build_duplicate_type): Likewise.
13784 (copy_body_r): Likewise. Export.
13785 (copy_decl_for_dup): Split into ...
13786 (copy_decl_for_dup_finish, copy_decl_to_var,
13787 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13788 (replace_ref_tree, inlining_p): Remove.
13790 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13792 * ifcvt.c (if_convert): Make it static.
13793 * rtl.h: Remove the prototype for if_convert.
13795 * local-alloc.c (local_alloc): Make it static.
13796 * rtl.h: Remove the prototype for local_alloc.
13798 * loop.c (loop_optimize): Make it static.
13799 * cfgloop.h: Remove the prototype for loop_optimize.
13800 * rtl.h: Likewise.
13802 2006-01-16 DJ Delorie <dj@redhat.com>
13804 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13805 mems.
13807 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13809 * pa.md: Disparage copies between general and floating-point registers
13810 in 32-bit move patterns.
13812 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13814 PR testsuite/25741
13815 * Makefile.in (check-%): Depend on site.exp instead of
13816 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13817 directories.
13819 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13821 * global.c (global_alloc): Make it static.
13822 * rtl.h: Remove the prototype for global_alloc.
13824 2006-01-16 Richard Guenther <rguenther@suse.de>
13826 * tree-ssa-alias.c (struct used_part): Add write_only field.
13827 (get_or_create_used_part_for): Initialize it to true.
13828 (create_overlap_variables_for): Don't create structure variables
13829 for structures that only are written to.
13830 (find_used_portions): Handle MODIFY_EXPR to track whether a
13831 structure is only written to.
13833 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13835 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13836 static.
13837 * basic-block.h: Remove the prototype for
13838 partition_hot_cold_basic_blocks.
13840 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13842 * cppspec.c (lang_specific_spec_functions): Remove.
13843 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13844 * gcc.h (lang_specific_spec_functions): Remove.
13845 * gccspec.c (lang_specific_spec_functions): Remove.
13847 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13849 * combine.c (record_value_for_reg): Invalidate registers
13850 if INSN is null.
13851 (record_dead_and_set_regs_1): Likewise, by passing them to
13852 record_value_for_reg.
13853 (record_dead_and_set_regs): Invalidate stores made by a
13854 call. We do not combine across a call, but we still
13855 relied on equivalences.
13857 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13859 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13860 vrp_int_const_binop returning non-constant nodes.
13862 2006-01-16 Paul Brook <paul@codesourcery.com>
13864 * config/m68k/m68k.c (output_move_const_into_data_reg):
13865 Output correct mnemonic for mvz and mvs.
13867 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13869 * rtl-factoring.c: Add sequence abstraction algorithm.
13870 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13871 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13872 ABNORMAL edges.
13873 (block_has_preserve_label): New function.
13874 * common.opt: Register new pass.
13875 * Makefile.in: Ditto.
13876 * passes.c: Ditto.
13877 * timevar.def: Ditto.
13878 * tree-pass.h: Ditto.
13879 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13880 * rtl.h (make_jump_insn_raw): Add forward decl.
13881 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13883 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13884 Roger Sayle <roger@eyesopen.com>
13886 * fold-const.c (fold_minmax): New static function.
13887 (fold_binary) <MIN_EXPR>: Call it.
13888 <MAX_EXPR>: Likewise.
13889 * stor-layout.c (place_field): Use DECL_SIZE consistently
13890 in the computation of the new record size.
13892 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13894 * cse.c (cse_condition_code_reg): Make it static.
13895 * rtl.h: Remove the prototype for cse_condition_code_reg.
13897 * combine.c (combine_instructions): Make it static.
13898 * rtl.h: Remove the prototype for combine_instructions.
13900 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13902 PR target/25168
13903 * tree.c (get_file_function_name_long): Concatenate the first global
13904 object name with a string derived from the input filename of the object
13905 for type "F".
13907 2006-01-16 Ben Elliston <bje@au.ibm.com>
13909 * config/i386/winnt-stubs.c: Update FSF address.
13910 * config/xtensa/ieee754-df.S: Ditto.
13911 * config/xtensa/ieee754-sf.S: Ditto.
13913 2006-01-14 Ian Lance Taylor <ian@airs.com>
13915 * ifcvt.c (noce_init_if_info): New static function, broken out of
13916 noce_process_if_block.
13917 (noce_process_if_block): Call noce_init_if_info.
13918 (check_cond_move_block): New static function.
13919 (cond_move_process_if_block): New static function.
13920 (process_if_block): Call cond_move_process_if_block.
13922 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13924 * cselib.c (hash_table): Rename to cselib_hash_table.
13925 (cselib_clear_table, discard_useless_values,
13926 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13927 cselib_init, cselib_finish): Adjust uses of hash_table.
13929 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13931 PR tree-optimization/25485
13932 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13933 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13934 is known to be false and true, respectively.
13936 2006-01-14 Richard Guenther <rguenther@suse.de>
13938 PR tree-optimization/22548
13939 PR tree-optimization/22555
13940 PR tree-optimization/22501
13941 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13942 * params.def (salias-max-array-elements): New parameter.
13943 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13944 * doc/invoke.texi (salias-max-array-elements): Document.
13945 * tree-flow-inline.h (var_can_have_subvars): We also handle
13946 arrays now.
13947 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13948 COMPONENT_REF.
13949 * tree-ssa-structalias.c (params.h): Include.
13950 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13951 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13952 (get_constraint_for): For ADDR_EXPR operating on something
13953 containing an ARRAY_REF, add all subvars to the solution.
13954 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13955 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13956 for creating MUST_DEFs.
13957 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13959 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13961 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13962 functions.
13963 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13964 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13965 number_of_iterations_le): New functions.
13966 (number_of_iterations_special): Removed.
13967 (number_of_iterations_exit): Do not use number_of_iterations_special.
13968 * tree.c (unsigned_type_for): Always return integer type.
13970 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13971 Richard Guenther <rguenther@suse.de>
13973 PR rtl-optimization/24257
13974 * gcse.c (find_moveable_store): Only consider a store movable
13975 when the SET_SRC of the insn can be assigned to a register.
13977 2006-01-14 Ian Lance Taylor <ian@airs.com>
13979 * tree.c (tree_not_class_check_failed): New function.
13980 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13981 (tree_not_class_check_failed): Declare.
13983 2006-01-13 Ian Lance Taylor <ian@airs.com>
13985 * reload1.c (do_output_reload): Add assertion rejecting a
13986 CALL_INSN.
13988 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13990 * combine.c (struct reg_stat): Add new fields truncation_label and
13991 truncated_to_mode.
13992 (record_value_for_reg): Reset truncated_to_mode.
13993 (record_truncated_value): New function.
13994 (check_promoted_subreg): Call it. Rename to check_conversions.
13995 (combine_instructions): Rename check_promoted_subreg to
13996 check_conversions.
13997 (reg_truncated_to_mode): New function.
13998 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13999 (gen_lowpart_or_truncate): New function.
14000 (force_to_mode): Use it instead of gen_lowpart.
14002 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14004 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14005 VAR is a tag, not its type tag.
14007 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14009 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14010 alternatives to match style of other entries.
14011 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14013 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14015 PR tree-optimization/25771
14016 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14017 SSA_NAMES.
14019 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14021 PR tree-opt/24365
14022 * tree-inline.c (declare_return_variable): If the return variable
14023 was marked as a non gimple complex, set the return slot variable
14024 to be a non gimple comple variable.
14026 2006-01-13 Richard Guenther <rguenther@suse.de>
14028 * builtins.c (expand_builtin_sincos): New function.
14029 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14030 do not set errno.
14031 (expand_builtin): Expand sincos using expand_builtin_sincos.
14033 2006-01-12 DJ Delorie <dj@redhat.com>
14035 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14036 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14037 so that constant shifts can be split.
14038 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14039 (m32c_valid_pointer_mode): Make static.
14040 (shift_gen_func_for): New.
14041 (m32c_prepare_shift): Use it. Split large const shifts into
14042 multiple shifts.
14043 * config/m32c/predicates.md (shiftcount_operand): Allow more
14044 general operands.
14045 (longshiftcount_operand): New.
14046 * doc/md.texi (Machine Constraints): Document In6.
14048 2006-01-13 Ben Elliston <bje@au.ibm.com>
14050 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14051 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14052 documentation.
14054 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14056 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14057 to try to avoid clobbering pieces of structures when we know
14058 something about the whole structure.
14059 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14061 2006-01-13 Ben Elliston <bje@au.ibm.com>
14063 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14064 return in memory, as this is no limitation is no longer present.
14066 2006-01-12 DJ Delorie <dj@redhat.com>
14068 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14069 mova with fb, and for fb+0 -> An.
14071 * config/m32c/mov.md (peephole2): Fix enabling logic.
14073 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14074 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14075 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14076 FINI_ARRAY_SECTION_ASM_OP): Define.
14078 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14079 variable.
14080 (m32c_legitimize_reload_address): New logic to reload FB to An.
14081 (m32c_output_reg_push): Add newline.
14082 (m32c_output_reg_pop): Likewise.
14084 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14086 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14088 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14090 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14092 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14094 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14095 match_code.
14097 2006-01-11 Ben Elliston <bje@au.ibm.com>
14099 * rtlanal.c (find_reg_note): Assert insn is not null.
14101 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14103 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14104 ifdef.
14106 2006-01-11 Jeff Law <law@redhat.com>
14108 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14109 hold edge pairs.
14110 (mark_threaded_blocks, register_jump_thread): New functions.
14111 (thread_through_all_blocks): Remove unwanted argument. No
14112 longer rely on e->aux to communicate thread target info.
14113 Call mark_threaded_blocks. Release the threaded_blocks
14114 bitmap and threaded_edges vector when complete.
14115 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14116 (threaded_blocks): Remove.
14117 (tree_ssa_dominator_optimize): Remove initialization and
14118 finalization of threaded_blocks. Simplify call to
14119 thread_through_all_blocks.
14120 (thread_across_edge): Call register_jump_thread rather than
14121 storing thread information into e->aux.
14122 (free_all_edge_infos): Simplify now that e->aux is no longer
14123 used to communicate with thread_through_all_blocks.
14124 * tree-flow.h (thread_through_all_blocks): Update prototype.
14125 (register_jump_thread): Prototype.
14127 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14129 * df-core.c (df_compact_blocks, df_bb_replace): Use
14130 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14132 2006-01-11 Richard Guenther <rguenther@suse.de>
14134 PR tree-optimization/25734
14135 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14136 stop propagation after successful propagation to the LHS.
14138 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14140 * basic-block.h (control_flow_graph): Change the type of
14141 x_basic_block_info to VEC(basic_block,gc) *.
14142 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14143 basic_block_info.
14144 (SET_BASIC_BLOCK): New.
14145 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14146 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14147 * cfgbuild.c (find_basic_blocks): Likewise.
14148 * cfglayout.c (fixup_reorder_chain): Likewise.
14149 * cfgrtl.c (create_basic_block_structure,
14150 rtl_create_basic_block): Likewise.
14151 * ifcvt.c (find_if_case_1): Likewise.
14152 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14153 Likewise.
14155 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14157 * Makefile.in: Removed rotted odf.c entry.
14159 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14161 PR target/25706
14162 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14163 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14164 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14165 output pattern modifier, not %e.
14166 * config/cris/cris.c (cris_op_str): Update comment about pattern
14167 modifier.
14168 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14169 before falling through into...
14170 <case 'E'>: Redefined from old 'e' case.
14172 2006-01-11 Jan Hubicka <jh@suse.cz>
14174 PR target/25042
14175 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14177 2006-01-11 Jan Hubicka <jh@suse.cz>
14179 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14180 * i386.c (x86_decompose_lea): Kill.
14181 (ix86_rtx_costs): Kill.
14183 2006-01-11 Jan Hubicka <jh@suse.cz>
14185 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14186 * cgraph.h (cgraph_node): Add inline_decl.
14187 (cgraph_insert_node_to_hashtable): Declare.
14188 (save_inline_function_body): Declare.
14189 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14190 clones.
14191 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14192 (cgraph_function_versioning): Update call of tree_function_versioning.
14193 (save_inline_function_body): New function.
14194 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14195 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14196 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14197 (cgraph_default_inline_p): Likewise.
14198 (cgraph_decide_inlining_incrementally): Likewise.
14199 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14200 (copy_bb): Kill saving; do updating of clones.
14201 (copy_cfg_body): Kill saving.
14202 (initialize_inlined-parameters): Likewise.
14203 (expand_call_inline): Likewise.
14204 (save_body): Kill.
14205 (tree_function_versioning): New parameter "update_clones".
14206 (inlining_p): Kill saving.
14207 * tree-inline.h (tree_function_versioning): Update prototype.
14208 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14209 saving.
14211 2006-01-11 Ian Lance Taylor <ian@airs.com>
14213 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14214 Allow undoing set of machine mode.
14215 (do_SUBST): Use enums instead of is_int.
14216 (do_SUBST_MODE): New function.
14217 (SUBST_MODE): New macro.
14218 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14219 reg and trying to replace reg_regno_rtx with a new register.
14220 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14221 (simplify_set): Use SUBST_MODE.
14222 (distribute_notes): Remove code that tried to update reg notes
14223 for regno_reg_rtx changes.
14225 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14227 PR tree-optimization/23109
14228 PR tree-optimization/23948
14229 PR tree-optimization/24123
14231 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14232 * tree-cfg.c (single_noncomplex_succ): New.
14233 * tree-flow.h (single_noncomplex_succ): Declare it.
14234 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14235 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14236 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14237 insert_bb, register_division_in, insert_reciprocals,
14238 replace_reciprocal, free_bb): New.
14239 (execute_cse_reciprocals_1): Rewritten.
14240 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14241 Do not commit any edge insertion. Always compute dominators and
14242 create the allocation pool.
14243 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14244 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14245 * targhooks.c (default_min_divistions_for_recip_mul): New.
14246 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14247 * passes.c (init_optimization_passes): Run recip after tree loop
14248 optimizations.
14249 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14251 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14252 Kenneth Zadeck <zadeck@naturalbridge.com>
14254 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14255 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14256 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14257 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14258 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14259 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14260 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14261 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14262 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14263 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14264 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14265 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14266 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14267 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14268 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14269 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14270 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14271 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14272 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14273 DF_SCAN_POST_ALLOC): New macros.
14274 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14275 df_free_bb_function, df_local_compute_function, df_init_function,
14276 df_dataflow_function, df_confluence_function_0,
14277 df_confluence_function_n, df_transfer_function,
14278 df_finalizer_function, df_free_function, df_dump_problem_function,
14279 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14280 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14281 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14282 df_urec_bb_info, ) New types.
14283 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14284 variables.
14285 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14286 df_analyze_simple_change_some_blocks,
14287 df_analyze_simple_change_one_block, df_compact_blocks,
14288 df_bb_replace, df_bb_regno_last_use_find,
14289 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14290 df_insn_regno_def_p, df_find_def, df_find_use,
14291 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14292 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14293 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14294 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14295 debug_df_chain, df_get_dependent_problem, df_chain_create,
14296 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14297 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14298 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14299 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14300 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14301 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14302 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14303 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14304 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14305 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14306 df_reorganize_refs, df_set_state, df_hard_reg_init,
14307 df_read_modify_subreg_p) New public functions.
14308 * df-core.c: The core dataflow solver and glue routines for rtl
14309 dataflow.
14310 (df_init, df_add_problem, df_set_blocks, df_finish,
14311 df_hybrid_search_forward, df_hybrid_search_backward,
14312 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14313 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14314 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14315 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14316 df_reg_defined, df_find_use, df_reg_used, df_dump,
14317 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14318 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14319 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14320 debug_df_useno, reset_df_after_reload): New functions.
14321 * df-scan.c: The scanning fuctions, once in df.c, completely
14322 rewritten so that they now fully model the functionality of
14323 register usage at the backend.
14324 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14325 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14326 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14327 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14328 df_get_artificial_defs, df_get_artificial_uses,
14329 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14330 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14331 df_refs_delete, df_reorganize_refs, df_set_state,
14332 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14333 df_def_record_1, df_defs_record, df_uses_record,
14334 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14335 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14336 df_record_exit_block_uses, df_hard_reg_init): New functions.
14338 * df-problems.c: Seven concrete dataflow problems that use the
14339 scanning in df-scan.c and are solved by the engine in df-core.c.
14340 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14341 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14342 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14343 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14344 df_ru_free_bb_info, df_ru_alloc,
14345 df_ru_bb_local_compute_process_def,
14346 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14347 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14348 df_ru_transfer_function, df_ru_free, df_ru_dump,
14349 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14350 df_rd_free_bb_info, df_rd_alloc,
14351 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14352 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14353 df_rd_transfer_function, df_rd_free, df_rd_dump,
14354 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14355 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14356 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14357 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14358 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14359 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14360 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14361 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14362 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14363 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14364 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14365 df_urec_mark_reg_use_for_earlyclobber,
14366 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14367 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14368 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14369 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14370 df_chain_create_bb_process_use, df_chain_create_bb,
14371 df_chain_finalize, df_chain_free, df_chains_dump,
14372 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14373 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14374 df_reg_lifetime): New functions.
14375 * df.c: Deleted file.
14376 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14377 consistent with new df api.
14378 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14379 rest_of_handle_sms): Ditto.
14380 * web.c (unionfind_union, union_defs, entry_register, web_main):
14381 Ditto.
14382 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14383 invariant_expr_equal_p, find_defs, check_dependencies,
14384 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14385 free_inv_motion_data, move_loop_invariants): Ditto.
14386 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14387 Update dependencies.
14388 (odf.c): Added defective entry that was deleted later in day.
14389 * sched-deps.c (sched_analyze_1): Ditto.
14391 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14393 * tree-ssa-operands.c (get_expr_operands): Record addressable
14394 variables directly. Do not call add_stmt_operands for CONST_DECLs
14395 and ARRAY_DECLs.
14396 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14397 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14399 2006-01-11 Ben Elliston <bje@au.ibm.com>
14401 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14402 function returns true in the positive case.
14404 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14406 PR target/20754
14407 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14408 for SI, DI, SF and DF modes. Add alternatives to copy between
14409 general and floating point registers to the 32-bit patterns.
14410 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14411 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14412 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14413 generating 64-bit code.
14414 * config/pa/pa.c (output_move_double): Handle copies between general
14415 and floating registers.
14417 2006-01-10 Stuart Hastings <stuart@apple.com>
14419 * config/i386/i386.md (set_got): Update.
14420 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14421 (builtin_setjmp_receiver): Mach-O support.
14422 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14423 (GOT_SYMBOL_NAME): Define.
14424 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14425 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14426 * config/i386/i386.c (override_options): Revise for Darwin.
14427 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14428 support. (darwin_x86_file_end): New. (output_set_got): Add label
14429 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14430 * config/i386/i386-protos.h (output_set_got): Likewise.
14431 * config/darwin.c (machopic_legitimize_pic_address): Update
14432 regs_ever_live[].
14434 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14436 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14437 when MODE isn't BLKmode.
14439 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14441 PR rtl-optimization/25367
14442 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14444 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14446 PR target/25718
14447 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14448 for a negative bound.
14450 2006-01-10 Richard Guenther <rguenther@suse.de>
14452 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14453 Never override with anything constraint.
14455 2006-01-10 Jan Beulich <jbeulich@novell.com>
14457 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14458 256 bits when optimize_size.
14460 2006-01-10 Jan Beulich <jbeulich@novell.com>
14462 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14463 MASK_ALIGN_DOUBLE.
14464 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14465 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14466 arguments.
14468 2006-01-10 Ben Elliston <bje@au.ibm.com>
14470 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14471 float modes.
14472 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14473 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14474 (USE_FP_FOR_ARG): Reject decimal float modes.
14475 (function_arg_advance): Likewise.
14476 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14477 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14478 point types in AltiVec vectors.
14479 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14480 (rs6000_libcall_value): Likewise.
14482 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14484 * config/xtensa/ieee754-df.S: New file.
14485 * config/xtensa/ieee754-sf.S: New file.
14486 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14487 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14488 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14490 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14492 * config/sh/predicates.md (binary_float_operator,
14493 binary_logical_operator, commutative_float_operator,
14494 equality_comparison_operator, greater_comparison_operator,
14495 less_comparison_operator, logical_operator,
14496 noncommutative_float_operator, shift_operator,
14497 symbol_ref_operand, unary_float_operator): Remove redundant
14498 conditionals.
14500 2006-01-09 Jeff Law <law@redhat.com>
14502 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14503 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14504 now unused arguments. Callers updated.
14505 (eliminate_redundant_computations): Remove now unused arguments,
14506 callers updated.
14507 (local_fold): Remove, no longer used.
14508 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14509 and moved to...
14510 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14511 (simplify_cond): New function.
14512 (forward_propagate_into_cond): Call simplify_cond.
14514 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14516 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14517 (*vec_extractv2di_1_sse): New.
14519 2006-01-09 Ben Elliston <bje@au.ibm.com>
14521 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14523 2006-01-08 Richard Guenther <rguenther@suse.de>
14525 * tree-ssa-structalias.c (get_constraint_for): Remove
14526 anyoffset argument.
14527 (get_constraint_for_component_ref): Likewise.
14528 (do_deref): Likewise.
14529 (get_constraint_for): Likewise.
14530 (do_structure_copy): Likewise.
14531 (handle_ptr_arith): Likewise.
14532 (find_func_aliases): Likewise. Remove unused need_anyoffset
14533 variable.
14535 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14536 Kaz Kojima <kkojima@gcc.gnu.org>
14538 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14539 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14540 (EXTRA_CONSTRAINT_C16): Remove.
14541 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14542 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14543 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14544 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14545 constants of SHmedia. Handle nested constant expressions of
14546 SHmedia correctly.
14547 (andcosts): Fix the costs for SHmedia constants.
14548 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14549 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14550 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14551 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14552 (movv4hi_i, movv2si_i): Likewise.
14553 (movsi_const): Adjust the second operand of ior so to match with
14554 the Csu constraint.
14555 (movdi_const, movdi_const_32bit): Likewise.
14556 (movdi_const_16bit+1): Don't sign-extend LOW.
14557 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14558 step.
14559 (*double_shori): Fix the split condition. Use GEN_INT instead
14560 of get_int_mode calls. Mask lower 16-bit of the argument of
14561 the last GEN_INT.
14562 (sym2GOTPLT): Remove.
14563 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14564 gen_rtx_UNSPEC.
14565 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14566 instead of EXTRA_CONSTRAINT_C16.
14568 2006-01-07 Ian Lance Taylor <ian@airs.com>
14569 David Edelsohn <edelsohn@gnu.org>
14571 PR rtl-optimization/25662
14572 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14573 for constant operands instead of simplify_gen_binary.
14574 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14575 after trying simplify_binary_operation
14577 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14579 * tree.c (iterative_hash_expr): Hash decls based on UID.
14581 2006-01-06 Eric Christopher <echristo@apple.com>
14583 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14584 (TARGET_UNWIND_EMIT): Fix spelling.
14585 * target.h (gcc_target): Add except_table_label.
14586 * except.c (output_function_exception_table): Use.
14587 * varasm.c (default_emit_except_table_label): New.
14588 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14589 define.
14590 (asm_out): Add here.
14591 * output.h (default_emit_except_table_label): Prototype.
14592 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14593 * config/darwin.c (darwin_emit_except_table_label): Define.
14594 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14596 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14598 PR tree-optimization/18527
14599 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14600 number_of_iterations_special, number_of_iterations_exit):
14601 Move base and step of an iv to a single structure. Add
14602 no_overflow flag, and use it in # of iterations analysis.
14603 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14604 folded_casts argument.
14605 (simple_iv): Pass base and step in a structure. Set no_overflow
14606 flag.
14607 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14608 Evaluate expensiveness of computing # of iterations instead of
14609 the final expression.
14610 * tree-scalar-evolution.h (affine_iv): New structure.
14611 (simple_iv): Declaration changed.
14612 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14613 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14614 find_givs_in_stmt): Changed due to simple_iv change.
14616 2006-01-06 Jeff Law <law@redhat.com>
14618 PR ada/24994
14619 * tree-cfg.c (bsi_replace): Rename final argument from
14620 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14621 change (stmt -> orig_stmt).
14622 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14623 (bsi_remove): Add new argument. Remove EH information
14624 if requested.
14625 (verify_eh_throw_table_statements): New function.
14626 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14627 updated.
14628 * tree-optimize.c (execute_free_cfg_annotations): Verify
14629 the EH throw statement table after removing annotations.
14630 * except.h (verify_eh_throw_table_statements): Prototype.
14631 * tree-flow.h (bsi_remove): Update prototype.
14632 * tree-vrp.c (remove_range_assertions): Add new argument to
14633 bsi_remove call.
14634 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14635 * tree-complex.c (expand_complex_div_wide): Likewise.
14636 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14637 * tree-tailcall.c (eliminate_tailcall): Likewise.
14638 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14639 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14640 * tree-nrv.c (tree_nrv): Likewise.
14641 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14642 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14643 (combine_blocks): Likewise.
14644 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14645 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14646 (cleanup_control_flow): Likewise.
14647 (remove_forwarder_block): Likewise.
14648 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14649 * tree-sra.c (sra_replace): Likewise.
14650 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14651 (forward_propagate_single_use_vars): Likewise.
14652 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14653 * tree-inline.c (expand_call_inline): Likewise.
14654 * tree-vect-transform.c (vect_transform_loop): Likewise.
14655 * tree-outof-ssa.c (rewrite_trees): Likewise.
14656 * tree-cfg.c (make_goto_expr_edges): Likewise.
14657 (cleanup_dead_labels): Likewise.
14658 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14659 (bsi_move_before, bsi_move_after): Likewise.
14660 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14661 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14663 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14665 PR tree-opt/25528
14666 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14667 and IMAGPART_EXPR.
14668 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14669 on non gimple variables. Also add checks at the top for decls and
14670 mtags.
14671 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14672 complex types.
14673 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14674 and IMAGPART_EXPR for creating MUST_DEFs.
14675 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14676 and NAME_MEMORY_TAG separately from the DECLs.
14678 2006-01-06 Richard Guenther <rguenther@suse.de>
14680 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14681 annotation, if necessary.
14682 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14683 redundant calls to update_stmt.
14684 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14685 Likewise.
14687 2006-01-05 Richard Henderson <rth@redhat.com>
14689 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14691 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14693 * c-typeck.c: Update copyright date.
14695 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14697 * c-typeck.c (build_c_cast): Always warn when casting
14698 from a pointer to an integer of different size, even if
14699 the node was constant.
14701 2006-01-05 Richard Guenther <rguenther@suse.de>
14703 PR tree-optimization/22555
14704 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14705 if one structure field is an array.
14706 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14707 operands even if we found a subvar, but ignore VOPs in this
14708 case.
14709 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14710 for renaming.
14711 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14713 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14715 PR middle-end/24998
14716 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14718 2006-01-05 Richard Guenther <rguenther@suse.de>
14719 Diego Novillo <dnovillo@redhat.com>
14721 * tree-pass.h (TODO_remove_unused_locals): Define.
14722 * gimple-low.c (expand_var_p, remove_useless_vars,
14723 pass_remove_useless_vars): Remove. Update all users.
14724 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14725 (remove_unused_locals): New function.
14726 * tree-flow.h (remove_unused_locals): Declare.
14727 * passes.c (execute_todo): Call remove_unused_locals if
14728 TODO_remove_unused_locals is set.
14729 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14730 * tree-ssa-dce.c (pass_dce): Likewise.
14731 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14733 2006-01-05 Richard Guenther <rguenther@suse.de>
14735 * tree-flow.h (struct fieldoff): Decompose field to
14736 type, size and decl.
14737 * tree-ssa-alias.c (create_sft): Take type as parameter.
14738 (create_overlap_variables_for): Store type, size and decl
14739 in the fieldoff structure.
14740 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14741 of struct fieldoff.
14742 (push_fields_onto_fieldstack): Likewise.
14743 (create_variable_info_for): Likewise. Use offset for the
14744 SFT name if the decl is not available.
14746 2006-01-04 Paul Brook <paul@codesourcery.com>
14748 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14750 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14752 * lambda-code.c (can_put_in_inner_loop): Relax
14753 restrictions.
14754 (can_put_after_inner_loop): New function.
14755 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14756 (perfect_nestify): Change to make copies and modify uses.
14758 2006-01-04 Richard Henderson <rth@redhat.com>
14760 Merge from gomp branch:
14761 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14762 via integer constant.
14763 (pragma_lex): Remove.
14764 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14765 rather than parsing it.
14766 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14767 handle_pragma_extern_prefix): Add %< %> quotes.
14768 (registered_pragmas): New.
14769 (c_register_pragma_1): New.
14770 (c_register_pragma): Use it.
14771 (c_register_pragma_with_expansion): Likewise.
14772 (c_invoke_pragma_handler): New.
14773 (init_pragma): Use cpp_register_deferred_pragma directly for
14774 pch_preprocess.
14775 * c-pragma.h (enum pragma_kind): New.
14776 (pragma_handler): New.
14777 (c_invoke_pragma_handler): Declare.
14778 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14779 CPP_PRAGMA_EOL.
14780 * c-common.h (c_common_pch_pragma): Update decl.
14781 * Makefile.in (c-parser.o): Update dependencies.
14782 (GTFILES): Add c-pragma.h.
14783 * c-parser.c (struct c_token): Add pragma_kind.
14784 (struct c_parser): Add in_pragma.
14785 (c_lex_one_token): Always initialize keyword and pragma_kind.
14786 Extract data for CPP_PRAGMA.
14787 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14788 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14789 Don't allow CPP_PRAGMA_EOL if in_pragma.
14790 (c_parser_consume_pragma): New.
14791 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14792 (c_parser_skip_to_end_of_parameter): Likewise.
14793 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14794 (c_parser_skip_to_pragma_eol): New.
14795 (c_parser_external_declaration): Handle CPP_PRAGMA.
14796 (c_parser_compound_statement_nostart): Likewise.
14797 (c_parser_statement_after_labels): Likewise.
14798 (c_parser_pragma): New.
14799 (pragma_lex): Likewise.
14800 (c_parser_pragma_pch_preprocess): New.
14801 (c_parser_new): Merge into ...
14802 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14804 2006-01-04 Jeff Law <law@redhat.com>
14806 PR ada/24994
14807 * tree-cfg.c (bsi_replace): Remove the original statement
14808 from the EH throw statement table.
14810 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14812 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14813 make the prototype extern "C" and add throw ().
14815 PR target/25554
14816 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14817 and pos non-negative and pos + len <= 32.
14818 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14819 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14820 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14822 PR c/25559
14823 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14824 as well as sizes not multiple of component size.
14826 PR debug/25562
14827 * function.c (instantiate_expr): New function.
14828 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14829 walk its DECL_VALUE_EXPR with instantiate_expr.
14831 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14832 DW_OP_deref{,_size} if address isn't going to be added.
14834 2006-01-04 Ben Elliston <bje@au.ibm.com>
14836 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14837 * config/fp-bit.c: Likewise.
14839 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14841 * dominance.c: Add comment about why we use DFS numbering
14842 of dominance tree.
14844 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14845 Richard Henderson <rth@redhat.com>
14847 Merge from gomp-branch:
14848 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14849 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14851 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14853 PR rtl-optimization/25578
14854 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14855 pass a parameter to simplify_shift_const if changing ASHIFTRT
14856 to LSHIFTRT.
14858 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14860 * builtins.c (get_builtin_sync_mem): New function.
14861 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14862 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14863 Call get_builtin_sync_mem to generate mem rtx.
14865 2006-01-03 Richard Guenther <rguenther@suse.de>
14867 PR c/25183
14868 * stmt.c (add_case_node): Make sure to clear overflow flags
14869 from ranges.
14871 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14873 Merge from gomp-branch.
14874 * config/sparc/sync.md: New file.
14875 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14876 UNSPECV_LDSTUB): New constants.
14877 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14878 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14879 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14880 prototype.
14882 2006-01-03 Roger Sayle <roger@eyesopen.com>
14884 * combine.c (reg_subword_p): New predicate to test whether the
14885 destination of a set refers to a subword/piece of a register.
14886 (try_combine): Generalize the code to merge the setting of a
14887 pseudo to a constant followed by a set of a subword of that
14888 register to a constant.
14890 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14892 * basic-block.h (control_flow_graph): Change the type of
14893 x_label_to_block_map to VEC(basic_block,gc) *.
14894 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14895 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14897 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14898 VEC(basic_block,heap) *.
14899 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14900 ssa_prop_fini): Adjust the uses of cfg_blocks.
14902 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14904 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14905 COMPONENT_REFs.
14906 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14907 hashing trees instead of a pointer hash.
14908 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14909 compare for MEM_EXPR.
14911 PR rtl-optimization/25130
14912 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14913 when comparing MEMs for GCSE
14915 2006-01-03 Ben Elliston <bje@au.ibm.com>
14917 * targhooks.h (default_decimal_float_supported_p): Declare.
14918 * targhooks.c (default_decimal_float_supported_p): Define.
14919 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14920 `default_decimal_float_supported_p'.
14921 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14923 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14925 * combine.c (apply_distributive_law <SUBREG>): Check
14926 TRULY_NOOP_TRUNCATION.
14928 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14930 * dwarf2out.c (have_switched_text_section): Delete.
14931 (have_multiple_function_sections): New.
14932 (have_location_lists): Make 'bool'.
14933 (add_AT_loc_list): Use 'true' not '1'.
14934 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14935 (output_loc_list): Use have_multiple_function_sections.
14936 (output_ranges): Likewise.
14937 (dwarf2out_begin_function): Set have_multiple_function_sections if
14938 necessary.
14939 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14940 Check function_section rather than DECL_SECTION_NAME.
14941 (dwarf2out_finish): Use have_multiple_function_sections.
14942 Don't clear have_location_lists.
14944 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14945 Jan Hubicka <jh@suse.cz>
14947 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14948 case of conditional jump jumping to the next instruction.
14949 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14950 cases of conditional jump jumping to the next instruction.
14952 2006-01-02 Jan Hubicka <jh@suse.cz>
14954 * i386.c (*_cost): Add COSTS_N_INSNS.
14955 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14957 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14959 PR target/25259
14960 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14962 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14964 * config/arm/arm.c (all_fpus): Fix comment typo.
14965 * config/darwin.c: Likewise.
14966 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14967 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14968 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14970 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14972 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14973 (rs6000_split_compare_and_swapqhi): New.
14974 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14975 (sync_compare_and_swapqhi_internal): New.
14976 * config/rs6000/rs6000-protos.h: Declare.