| blob | 35c029b188a6cee8ccce6f66f12aed99fea37e42 |
1 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2 Roger Sayle <roger@eyesopen.com>
4 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6 on platforms that don't use dwarf for debug info.
8 2006-09-12 Jason Merrill <jason@redhat.com>
10 PR middle-end/28493
11 * builtins.c (expand_builtin_setjmp_receiver): Clobber
12 hard_frame_pointer_rtx after using it to update the frame pointer.
14 2006-09-12 Roger Sayle <roger@eyesopen.com>
16 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
17 (TARGET_ASM_CLOSE_PAREN): Likewise.
18 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
19 (TARGET_ASM_CLOSE_PAREN): Likewise.
21 2006-09-12 Roger Sayle <roger@eyesopen.com>
23 PR target/22223
24 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
25 frame information for frames larger than 512 Kbytes on Tru64 when
26 using the native assembler.
28 2006-09-12 Roger Sayle <roger@eyesopen.com>
30 PR middle-end/4520
31 PR bootstrap/28784
32 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
33 and symbols. Instead use the implementation from cse.c's hash_rtx.
35 2006-09-12 Jan Hubicka <jh@suse.cz>
37 PR rtl-optimization/28071
38 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
39 (vect_transform_loop): Likewise.
40 * tree-vectorizer.c (new_loop_vec_info): Likewise.
41 (new_loop_vec_info): Likewise.
42 (destroy_loop_vec_info): Likewise.
43 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
44 (create_stmt_ann): Likewise.
45 (create_tree_ann): Rename to ...
46 (create_tree_common_ann): ... this one; allocate only the common part
47 of annotations.
48 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
49 (get_value_handle): Likewise.
50 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
51 get_tree_common_ann.
52 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
53 (vinfo_for_stmt): Use stmt annotations.
54 * tree-flow.h (tree_ann_common_t): New type.
55 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
56 (tree_ann, get_tree_ann, create_tree_ann): New.
57 * tree-flow-inline.h (get_function_ann): Do more type checking.
58 (stmt_ann): Likewise.
59 (tree_ann): Rename to ...
60 (tree_common_ann): ... this one; return ony common_ann
61 (get_tree_ann): Rename to ...
62 (tree_common_ann): This one; return only common_ann.
63 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
64 of set_stmt_info.
66 2006-09-11 Geoffrey Keating <geoffk@apple.com>
68 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
69 with_cpu by default.
71 * dwarf2out.c (dwarf_file_data): New.
72 (enum dw_val_class): Add dw_val_class_file.
73 (struct dw_val_struct): Add val_file.
74 (file_table): Change to a hash table.
75 (file_table_emitted): Delete.
76 (file_table_last_lookup_index): Delete.
77 (emitcount): Delete.
78 (last_emitted_file): New.
79 (lookup_filename): Change prototype to return a struct dwarf_file_data.
80 (init_file_table): Delete.
81 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
82 (AT_addr): Add comment.
83 (add_AT_file): New.
84 (AT_file): New.
85 (get_AT_file): New.
86 (print_die): Handle dw_val_class_file.
87 (print_dwarf_line_table): Update for new file table structure.
88 (attr_checksum): Do checksum a filename.
89 (same_dw_val_p, same_attr_p): Do compare a filename.
90 (size_of_die): Handle dw_val_class_file.
91 (value_format): Likewise.
92 (output_die): Likewise. Also, call maybe_emit_file here.
93 (struct file_info): Constify filenames. Make file_idx a pointer
94 to a struct dwarf_file_data.
95 (struct dir_info): Constify directory names. Remove 'used' field.
96 (struct file_name_acquire_data): New.
97 (file_name_acquire): New.
98 (output_file_names): Modify to handle new file data structures.
99 (add_src_coords_attributes): Use add_AT_file.
100 (add_call_src_coords_attributes): Likewise.
101 (dwarf2out_imported_module_or_decl): Likewise.
102 (gen_subprogram_die): Modify for new file data structures.
103 (gen_variable_die): Likewise.
104 (file_table_eq): New.
105 (file_table_hash): New.
106 (file_table_last_lookup): New.
107 (lookup_filename): Rewrite to handle new file data structures.
108 (maybe_emit_file): Rewrite to handle new file data structures.
109 (dwarf2out_source_line): Always call lookup_filename and
110 maybe_emit_file.
111 (dwarf2out_init): Create file_table here.
112 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
113 (file_table_relative_p): New.
114 (dwarf2out_finish): Change detection of relative filenames
115 to work with new file data structures. Move output_line_info call
116 after debug_info output.
118 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
120 PR target/13685
121 PR target/27537
122 PR target/28621
123 * config/i386/i386.c (override_options): Always default to 16
124 byte stack boundary.
126 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
128 PR target/28672
129 * var-tracking.c (dump_dataflow_set): Start dumping at
130 register zero.
131 (clobber_variable_part): Kill only the variable part in
132 registers holding it, leaving other variables alone.
134 2006-09-11 Josh Triplett <josh@freedesktop.org>
136 * doc/extend.texi (Other Builtins): Actually use the macro
137 argument in the documentation example for
138 __builtin_types_compatible_p.
140 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
142 PR rtl-optimization/28726
143 * sched-deps.c (sched_analyze_reg): New function extracted from...
144 (sched_analyze_1): ...here. Call it to analyze references to
145 registers. Treat again writes to a stack register as writing to the
146 register.
147 (sched_analyze_2): ...and here. Call it to analyze references to
148 registers. Treat again reads of a stack register as reading the
149 register.
151 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
152 David Edelsohn <edelsohn@gnu.org>
154 PR target/27287
155 * config/rs6000/spe.md (frob_df_di): Remove %H.
156 (frob_di_df): Remove %H. Change evmergelo to mr.
157 (frob_di_df_2): Remove %H. Change evldd to two loads.
159 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
161 * doc/cpp.texi: Fix names of charset options.
163 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
165 PR target/29009
166 * config/i386/i386.c (override_options): Use 128-bit
167 stack boundary always for 64bits.
169 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
171 PR rtl-optimization/28636
172 * combine.c (force_to_mode): Test for side-effects before
173 substituting by zero.
174 (simplify_shift_const): Likewise for zero or other constants.
176 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
178 PR middle-end/26983
179 * builtins.c (expand_builtin_setjmp): Force next_lab to be
180 preserved.
182 2006-09-10 Richard Sandiford <richard@codesourcery.com>
184 PR target/29006
185 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
186 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
187 returned by mode_for_size, rather than the mode of src itself,
188 to choose between 32-bit and 64-bit patterns.
189 (mips_mem_fits_mode_p): New function.
190 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
191 that the size of the source matches the size of the destination.
192 (mov_<store>l, mov_<store>r): Likewise.
194 2006-09-10 Eric Christopher <echristo@apple.com>
196 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
197 for literal16.
199 2006-09-09 Eric Christopher <echristo@apple.com>
201 PR target/28995
202 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
203 for literal16.
205 2006-09-09 Roger Sayle <roger@eyesopen.com>
206 Nicolas Setton <setton@adacore.com>
208 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
210 2006-09-10 Andreas Schwab <schwab@suse.de>
212 * config/m68k/m68k.md (bungt_rev): New pattern.
214 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
215 Dale Johannesen <dalej@apple.com>
217 PR target/26778
218 * regclass.c (struct reg_pref): Update documentation.
219 (regclass): Set prefclass to NO_REGS if memory is the best option.
220 (record_reg_classes): Cope with a prefclass set to NO_REGS.
222 2006-09-08 Eric Christopher <echristo@apple.com>
224 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
225 * config/t-slibgcc-darwin: Support x86_64 multilib.
226 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
227 Return 1 for x86_64-darwin.
228 * config/i386/t-darwin: Add m64 multilib.
229 (LIB2_SIDITI_CONV_FUNCS): Use.
230 (LIB2FUNCS_EXTRA): Ditto.
231 * config/i386/darwin.h: Support x86_64.
232 * config/i386/i386.c (override_options): Turn on flag_pic
233 for x86_64-darwin. Disable flag_omit_pointer.
234 (get_pc_thunk_name): Assert !TARGET_64BIT.
235 (legitimate_address_p): Disable machopic addressing for
236 x86_64.
237 (legitimize_pic_address): Ditto.
238 (ix86_expand_move): Ditto.
239 (ix86_expand_call): Ditto.
240 (machopic_output_stub): Ditto.
241 * config/darwin.c (machopic_select_section): Support literal16.
242 (machopic_select_rtx_section): Ditto.
243 * config/darwin-sections.def: Ditto.
244 * config/darwin-64.c: New.
246 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
248 PR c/28504
249 * c-tree.h (struct c_arg_info): Add pending_sizes.
250 * c-parser.c (c_parser_parms_declarator,
251 c_parser_parms_list_declarator): Initialize pending_sizes.
252 * c-decl.c (get_parm_info): Initialize pending_sizes.
253 (get_parm_info): Set pending_sizes.
254 (grokdeclarator): Call put_pending_sizes for parameters for
255 function definition only.
257 2006-09-07 Jason Merrill <jason@redhat.com>
259 PR middle-end/27724
260 * varasm.c (output_constant): Only strip actual no-op conversions.
262 PR target/13685
263 * config/i386/i386.c (override_options): Use 128-bit
264 stack boundary if -msse.
266 2006-09-07 Eric Christopher <echristo@apple.com>
268 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
269 comment.
270 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
271 Redefine.
273 2006-09-07 Geoffrey Keating <geoffk@apple.com>
275 * dwarf2out.c: Remove strange characters from comment above
276 dwarf2out_frame_debug_expr.
278 2006-09-07 Eric Christopher <echristo@apple.com>
280 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
281 * config/darwin.h: ... to here.
283 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
285 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
287 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
288 (TARGET_PARTIAL_FLAG_REG_STALL): New.
290 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
291 TARGET_PARTIAL_FLAG_REG_STALL.
292 (*ashldi3_cconly_rex64): Likewise.
293 (*ashlsi3_cmp): Likewise.
294 (*ashlsi3_cconly): Likewise.
295 (*ashlsi3_cmp_zext): Likewise.
296 (*ashlhi3_cmp): Likewise.
297 (*ashlhi3_cconly): Likewise.
298 (*ashlqi3_cmp): Likewise.
299 (*ashlqi3_cconly): Likewise.
300 (*ashrdi3_cmp_rex64): Likewise.
301 (*ashrdi3_cconly_rex64): Likewise.
302 (*ashrsi3_cmp): Likewise.
303 (*ashrsi3_cconly): Likewise.
304 (*ashrsi3_cmp_zext): Likewise.
305 (*ashrhi3_cmp): Likewise.
306 (*ashrhi3_cconly): Likewise.
307 (*ashrqi3_cmp): Likewise.
308 (*ashrqi3_cconly): Likewise.
309 (*lshrdi3_cmp_rex64): Likewise.
310 (*lshrdi3_cconly_rex64): Likewise.
311 (*lshrsi3_cmp): Likewise.
312 (*lshrsi3_cconly): Likewise.
313 (*lshrsi3_cmp_zext): Likewise.
314 (*lshrhi3_cmp): Likewise.
315 (*lshrhi3_cconly): Likewise.
316 (*lshrqi2_cmp): Likewise.
317 (*lshrqi2_cconly): Likewise.
319 2006-09-07 Uros Bizjak <uros@kss-loka.si>
321 PR target/28946
322 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
323 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
324 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
325 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
326 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
327 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
328 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
329 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
330 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
331 implement only CC setting effects of shift instructions.
333 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
335 * doc/contrib.texi: Add myself.
337 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
339 PR middle-end/28862
340 * stor-layout.c (relayout_decl): Don't zero the alignment if it
341 was set by the user.
343 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
345 PR target/27117
346 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
347 (divsi_inv_m1): Use them.
348 (UNSPEC_DIV_INV_TABLE): New constant.
350 2006-09-06 James E Wilson <wilson@specifix.com>
352 PR rtl-opt/27883
353 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
354 then call count_or_remove_death_notes.
356 2006-09-06 Jason Merrill <jason@redhat.com>
358 PR c++/27371
359 * tree-inline.c (copy_result_decl_to_var): New fn.
360 (declare_return_variable): Use it. Call declare_inline_vars here.
361 (expand_call_inline): Not here.
363 2006-09-06 Diego Novillo <dnovillo@redhat.com>
365 * doc/contrib.texi: Update my entry.
367 2006-09-06 Nick Clifton <nickc@redhat.com>
369 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
371 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
373 PR tree-opt/28937
374 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
375 (canonicalize_induction_variables): Likewise.
376 (tree_unroll_loops_completely): Likewise.
377 (tree_ssa_prefetch_arrays): Likewise.
378 (remove_empty_loops): Likewise.
379 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
380 TODO_cleanup_cfg instead of directly calling
381 cleanup_tree_cfg_loop.
382 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
383 Likewise.
384 (tree_unroll_loops_completely): Likewise.
385 (remove_empty_loops): Likewise.
386 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
387 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
388 of tree_ssa_unswitch_loops.
389 (tree_ssa_loop_ivcanon): Use the return value of
390 canonicalize_induction_variables.
391 (tree_ssa_empty_loop): Use the return value of
392 remove_empty_loops.
393 (tree_complete_unroll): Use the return value of
394 tree_unroll_loops_completely.
395 (tree_ssa_loop_prefetch): Use the return value of
396 tree_ssa_prefetch_arrays.
397 * passes.c (execute_todo): Before Cleanup CFG, set
398 updating_used_alone and after cleanup CFG, call
399 recalculate_used_alone.
401 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
403 PR tree-opt/28952
404 * tree-vect-transform.c (vectorizable_condition): Move the check
405 for the type after the check for simple condition.
407 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
408 Kaz Kojima <kkojima@gcc.gnu.org>
410 PR target/28764
411 * mode-switching.c (optimize_mode_switching): Make the destination
412 block of an abnormal edge have no anticipatable mode. Don't
413 insert mode switching code at the end of the source block of
414 an abnormal edge.
416 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
418 PR rtl-optimization/26847
419 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
420 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
421 (simplify_plus_minus): Count n_constants while filling ops. Replace
422 qsort with insertion sort. Before going through the array to simplify
423 pairs, sort it. Delay early exit until after the first sort, exiting
424 only if no swaps occurred. Simplify pairs in reversed order, without
425 special-casing the first iteration. Pack ops after simplifying pairs.
427 2006-09-05 Anatoly Sokolov <aesok@post.ru>
429 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
430 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
431 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
432 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
434 2006-09-05 Richard Guenther <rguenther@suse.de>
436 PR tree-optimization/28900
437 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
438 compound conditional before creating COND_EXPR condition.
440 2006-09-05 Richard Guenther <rguenther@suse.de>
442 PR tree-optimization/28905
443 * tree-vrp.c (fix_equivalence_set): Manually implement
444 !value_ranges_intersect_p to also handle symbolic ranges.
446 2006-09-05 Richard Guenther <rguenther@suse.de>
448 PR middle-end/28935
449 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
450 of a COND_EXPR.
452 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
454 PR rtl-optimization/27616
455 * cse.c (table_size): New static variable.
456 (new_basic_block): Initialize it to 0.
457 (remove_from_table): Decrement it.
458 (insert): Increment it.
459 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
460 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
461 fold_rtx_mem_1 if under the cap.
462 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
463 the lookup of the equivalent expression and test for equality of the
464 first operand of the equivalent expression before in turn looking up
465 an equivalent constant for the second operand.
467 2006-09-02 Geoffrey Keating <geoffk@apple.com>
469 Revert this change:
470 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
471 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
472 pointer, instead of assuming it is possible to derive the
473 correct args size from a call insn.
475 2006-09-02 Jakub Jelinek <jakub@redhat.com>
477 PR middle-end/27567
478 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
479 (fold_builtin_mempcpy): Rename to...
480 (fold_builtin_memory_op): ... this. Optimize one element copy
481 into an assignment.
482 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
483 functions.
484 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
485 (expand_builtin_memcpy, expand_builtin_mempcpy,
486 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
487 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
488 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
489 BUILT_IN_MEM{CPY,PCPY,MOVE}.
491 2006-09-01 DJ Delorie <dj@redhat.com>
493 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
494 (stzx_16): Likewise.
495 ("stzx_24_<mode>"): Likewise.
496 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
497 ("cmp<mode>_op"): New.
498 (cmp<mode>): Change to expander; just save operands.
499 (b<code>_op): New.
500 (b<code>): Change to expander, emit compare here.
501 (s<code>_op): Change to use split and expander.
502 (s<code>_24_op): Likewise.
503 (s<code>_<mode>): New.
504 (s<code>_<mode>_24): New.
505 (movqicc_<code>_<mode): New.
506 (movhicc_<code>_<mode>): New.
507 (s<code>): New.
508 (s<code>_24): New.
509 * config/m32c/m32c.c (compare_op0, compare_op1): New.
510 (m32c_pend_compare): New.
511 (m32c_unpend_compare): New.
512 (m32c_expand_scc): New.
513 (m32c_expand_movcc): Emit the compare also.
514 * config/m32c/predicates.md (mra_nopp_operand): New.
516 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
517 Richard Guenther <rguenther@suse.de>
518 Adam Nemet <anemet@caviumnetworks.com>
520 PR middle-end/27226
521 * builtins.c (get_pointer_alignment): Handle more forms
522 of base addresses that can be used to derive more precise
523 information about alignment.
525 2006-09-01 Jason Merrill <jason@redhat.com>
527 PR c++/28899
528 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
529 want_value.
531 * gimplify.c (voidify_wrapper_expr): Handle null type.
533 2006-09-01 Josh Conner <jconner@apple.com>
535 PR c++/25505
536 * tree-nrv.c (dest_safe_for_nrv_p): New function.
537 (execute_return_slot_opt): Use it.
539 2006-08-31 Josh Conner <jconner@apple.com>
541 PR c++/25505
542 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
543 returning aggregates.
545 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
547 PR tree-optimization/28839
548 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
549 blocks in that phi arguments appear.
551 2006-08-31 Roger Sayle <roger@eyesopen.com>
553 PR other/22313
554 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
555 NULL, otherwise use an advance_loc4 to adjust relative to the
556 current label.
557 (output_cfi) <DW_CFA_set_loc>: Update the current label.
558 (dwarf2out_switch_text_section): Reset the current label to avoid
559 using advance_loc4 over section boundaries.
561 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
563 PR target/24367
564 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
565 r12 + SYMBOLIC_CONST.
567 2006-08-30 Richard Guenther <rguenther@suse.de>
569 * Makefile.in (see.o): Add $(EXPR_H) dependency.
571 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
573 PR rtl-optimization/27735
574 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
575 Add new argument to keep track of whether an irreducible region
576 was affected. All callers changed.
577 (fix_irreducible_loops): Removed.
578 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
579 flags were invalidated.
581 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
583 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
584 instead of SF operands.
585 (*fop_df_comm_sse): Likewise.
586 (*fop_df_comm_i387): Likewise.
587 (*fop_df_1_mixed): Likewise.
588 (*fop_df_1_sse): Likewise.
590 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
591 J"orn Rennecke <joern.rennecke@st.com>
593 PR tree-optimization/17506
594 * tree-ssa.c (warn_uninit): If warning about a location outside of
595 the current function, note where the variable was declared.
597 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
599 PR tree-optimization/28411
600 * double-int.c (double_int_div): Use double_int_divmod.
601 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
602 double_int_mod, double_int_smod, double_int_umod): New functions.
603 * double-int.h (double_int_divmod, double_int_sdivmod,
604 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
605 Declare.
606 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
607 in double_int.
608 (get_computation_aff, get_computation_cost_at): Handle double_int
609 return type of constant_multiple_of.
611 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
613 PR middle-end/26632
614 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
615 an implicit conversion.
617 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
619 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
621 2006-08-27 Roger Sayle <roger@eyesopen.com>
623 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
624 x87 instructions.
626 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
628 * config/i386/crtfastmath.c: Fix a comment typo.
630 2006-08-26 Roger Sayle <roger@eyesopen.com>
632 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
633 temporary visit flags on CASE_LABEL_EXPRs.
634 * c-common.c (match_case_to_enum): Add function comment. Avoid
635 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
636 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
637 CASE_HIGH_SEEN for enumerated types. If the switch expression is
638 a constant, only warn if that constant value isn't handled.
640 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
642 PR c++/24009
643 * input.h (restore_input_file_stack): Declare.
644 (INPUT_FILE_STACK_BITS): Define.
645 * toplev.c (fs_p, input_file_stack_history,
646 input_file_stack_restored, restore_input_file_stack): New.
647 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
648 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
649 (pop_srcloc): Don't free old state of stack.
651 2006-08-26 David Edelsohn <edelsohn@gnu.org>
653 PR target/27544
654 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
655 (PowerPC Type Attributes): New.
657 2006-08-26 Bob Wilson <bob.wilson@acm.org>
659 * config/xtensa/xtensa.c (function_arg_boundary): New.
660 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
661 STACK_BOUNDARY.
662 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
663 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
665 2006-08-26 Jakub Jelinek <jakub@redhat.com>
667 PR middle-end/28683
668 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
669 3 following insns.
671 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
673 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
674 (verify_local_live_at_start): Likewise.
676 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
678 PR c/27893
679 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
680 omp_add_variable): Treat sizes as variable whenever not
681 INTEGER_CST.
683 2006-08-26 Richard Guenther <rguenther@suse.de>
685 PR middle-end/28814
686 * fold-const.c (fold_binary): Fold temporary to correct
687 type before constructing new comparison.
689 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
691 PR c/28418
692 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
693 variable again if DECL_SEEN_IN_BIND_EXPR_P.
695 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
697 PR c/28299
698 * c-decl.c (start_function): Don't try to process prototype
699 information from old declaration that isn't a function.
701 2006-08-25 Jan Hubicka <jh@suse.cz>
703 PR target/28621
704 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
706 2006-08-25 Alan Modra <amodra@bigpond.net.au>
708 PR target/27075
709 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
710 for 8 byte objects.
712 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
714 PR tree-optimization/16876
715 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
716 exit if PARM doesn't match VALUE.
718 2006-08-25 Bob Wilson <bob.wilson@acm.org>
720 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
721 literal_prefix directive.
722 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
723 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
724 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
726 2006-08-25 David Edelsohn <edelsohn@gnu.org>
728 PR target/28753
729 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
730 predicate to general_operand. Add 0->y and I->r alternatives.
732 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
734 * doc/tm.texi: Fix a typo.
735 * predict.c: Fix comment typos.
737 2006-08-25 Nick Clifton <nickc@redhat.com>
739 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
740 assertions of "cpu" and "machine".
742 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
744 PR tree-opt/28807
745 * tree-ssa-operands.c (access_can_touch_variable): Don't say
746 the access through a base which has an alias set of 0 cannot
747 touch the variable.
749 2006-08-24 Bill Wendling <wendling@apple.com>
751 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
753 2006-08-24 Jan Hubicka <jh@suse.cz>
755 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
757 2006-08-24 Jan Hubicka <jh@suse.cz>
759 PR debug/26881
760 * cgraph.c: Fix comments.
761 (cgraph_varpool_mark_needed_node): Mark only variables not already
762 output to file.
763 * cgraphunit.c: Update comments; include gt-cgraphunit.h
764 (cgraph_varpool_assembled_nodes_queue): New static variable.
765 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
766 (cgraph_varpool_output_debug_info): New function.
767 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
768 * Makefile.in: Add gt-cgraphunit.h
770 2006-08-24 Jan Hubicka <jh@suse.cz>
772 * predict.c (probability_reliable_p): New predicate.
773 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
774 (predict_loops): Do not predict loop exit with less than 2%
775 probability.
776 * basic-block.h (edge_probability_reliable_p,
777 br_prob_note_reliable_p): Declare.
778 * ia64.h (ia64_print_operand): Do not disable on-chip branch
779 prediction when static predictor is not reliable.
780 * rs6000.c (output_cbranch): Likewise.
782 2006-08-23 Stuart Hastings <stuart@apple.com>
784 PR 28825
785 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
786 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
788 2006-08-21 Geoffrey Keating <geoffk@apple.com>
790 PR debug/28692
791 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
792 complex values, nor for generic vector values.
794 2006-08-22 Richard Guenther <rguenther@suse.de>
796 PR middle-end/28776
797 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
798 parameter. Convert arguments to arithmetic expression to the
799 chrecs type.
800 (analyze_scalar_evolution_1): Adjust caller.
802 2006-08-22 Jan Hubicka <jh@suse.cz>
804 Patch by Paolo Bonzini
805 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
806 my previous patch.
808 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
810 PR tree-optimization/28003
811 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
812 before grouping aliases.
814 2006-08-22 Roger Sayle <roger@eyesopen.com>
816 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
817 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
819 2006-08-21 Jason Merrill <jason@redhat.com>
821 PR c++/27115
822 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
823 wrapper. Loop to handle nested wrappers.
824 (gimplify_bind_expr): Remove temp parameter.
825 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
826 and STATEMENT_LIST on the rhs.
827 (gimplify_statement_list): Voidify the STATEMENT_LIST.
828 (gimplify_expr): Pass pre_p to gimplify_statement_list.
829 (gimplify_target_expr): Remove special BIND_EXPR handling.
831 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
833 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
834 #if !__SHMEDIA__ .
836 2006-08-21 Olivier Hainque <hainque@adacore.com>
838 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
839 Arrange for the temporary captures of components overlapping the lhs
840 to happen before the lhs is possibly cleared.
842 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
844 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
845 necessary places to pass the correct "number of registers" values
846 to _Unwind_VRS_Pop.
848 2006-08-20 Jan Hubicka <jh@suse.cz>
850 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
851 (create_name_tags): Instead of quadratic checking use hashtable.
852 * bitmap.h: Include hashtab.h.
853 (bitmap_hash): Declare.
854 * bitmap.c (bitmap_hash): New function.
856 2006-08-20 Jan Hubicka <jh@suse.cz>
858 PR rtl-optimization/28071
859 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
860 twice.
861 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
862 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
863 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
864 cgraph_decide_inlining_incrementally): Update use of
865 cgraph_check_inline_limits.
866 * cgraph.c (edge_hash, edge_eq): New function.
867 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
868 cgraph_edge_remove_caller, cgraph_node_remove_callees,
869 cgraph_remove_node): Maintain call site hash.
870 * cgraph.h (struct cgraph_node): Add call_site_hash.
871 (cgraph_set_call_stmt): New function.
873 2006-08-20 Jan Hubicka <jh@suse.cz>
875 PR rtl-optimization/28071
876 * reload1.c (reg_has_output_reload): Turn into regset.
877 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
878 choose_reload_regs, emit_reload_insns): Update to new
879 reg_has_output_reload.
881 2006-08-20 Jan Hubicka <jh@suse.cz>
883 PR middle-end/28779
884 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
885 function body sizes.
886 * cgraphunit.c (cgraph_analyze_function): Don't do so.
888 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
890 PR target/28648 c:
891 * tree.c (handle_dll_attribute): Return early if not a
892 var or function decl.
894 2006-08-18 Joseph Myers <joseph@codesourcery.com>
896 PR target/27565
897 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
898 alignment of SPE vector types.
900 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
902 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
904 2006-08-17 Jakub Jelinek <jakub@redhat.com>
906 PR c/28744
907 * cgraph.h (struct cgraph_node): Remove externally_visible
908 bitfield.
909 * cgraphunit.c (process_function_and_variable_attributes): Set
910 local.externally_visible rather than externally_visible.
912 PR c/28744
913 * c-common.c (handle_externally_visible_attribute): First look
914 at TREE_CODE and only if it is function or var decl, check for
915 non-public objects. Don't warn for DECL_EXTERNAL.
916 * cgraphunit.c (process_function_and_variable_attributes): Warn
917 if externally_visible attribute is used on non-public object.
919 2006-08-17 Jan Hubicka <jh@suse.cz>
921 PR tree-optimization/27865
922 * reload1.c (forget_marked_reloads): New function.
923 (forget_old_reloads_1): When data are passed, just mark the registers
924 for later removal.
925 (reload_as_needed): Use the new mechanizm.
927 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
929 PR target/28146
930 * reload.h (reg_equiv_alt_mem_list): New declaration.
931 * reload1.c (reg_equiv_alt_mem_list): New definition.
932 (reload): Initialize it and release it.
933 (delete_output_reload): Use it.
934 * reload.c (push_reg_equiv_alt_mem): New function.
935 (find_reloads_toplev): Call it.
936 (find_reloads_address, find_reloads_address_1): Likewise.
937 (find_reloads_subreg_address): Likewise.
939 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
941 PR rtl-optimization/28489
942 * sched-ebb.c (begin_schedule_ready): Create basic block
943 at the right place.
944 (advance_target_bb): Skip empty blocks.
945 * haifa-sched.c (bb_note): Make global.
946 * sched-int.h (bb_note): Add prototype.
948 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
950 PR tree-optimization/27865
951 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
952 for pointer types.
953 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
954 fold_used_pointer, pointer_used_p): New functions.
955 (analyze_scalar_evolution_1): Use fold_used_pointer.
956 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
957 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
958 for pointers.
960 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
962 PR c++/28573
963 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
964 or the INTEGER_CST. Fail on a CALL_EXPR.
965 (fold_offsetof): Pass new argument to fold_offsetof_1.
966 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
967 operand into an INDIRECT_REF.
968 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
970 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
972 PR gcov/profile/26570
973 * value-prof.c (static_values): Removed.
974 (tree_find_values_to_profile): Do not set static_values.
975 (find_values_to_profile): Do not free static_values.
976 * profile.c (instrument_values): Do not free the values.
977 (branch_prob): Free the values.
979 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
981 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
983 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
985 PR c/27697
986 * c-typeck.c (build_component_ref): Combine qualifiers of
987 structure or union and field.
989 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
991 PR rtl-optimization/28071
992 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
993 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
994 * tree-into-ssa.c (struct dom_dfsnum): New.
995 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
996 functions.
997 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
998 compute_global_livein.
999 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1000 in phi nodes in the correct blocks.
1002 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1004 PR tree-optimization/28364
1005 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1006 correctly.
1007 (fold_affine_expr): New function.
1008 (may_eliminate_iv): Use fold_affine_expr.
1010 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1012 PR c/27489
1013 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1014 Clean up.
1016 2006-08-16 Mike Stump <mrs@apple.com>
1018 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1019 * doc/cppopts.texi (-MD): Likewise.
1021 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1023 PR c/28287
1024 * c-common.c (handle_weak_attribute): Ignore and warn if
1025 not a FUNCTION_ or VAR_DECL.
1027 2006-07-15 Mike Stump <mrs@apple.com>
1029 PR c/28280
1030 * c-parser.c (c_parser_typeof_specifier): Don't use
1031 c_finish_expr_stmt, open code desired semantics instead.
1033 2006-08-15 Nick Clifton <nickc@redhat.com>
1035 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1036 fragment to tmake_file only if threads are enabled.
1037 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1038 * config/i386/t-gthr-win32: New file. ... here.
1040 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1042 PR c/28649
1043 * c-parser.c (c_parser_compound_statement_nostart): Reset
1044 parser->error after each statement.
1046 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1048 PR middle-end/28713
1049 * omp-low.c (lower_omp_parallel): Convert t to
1050 receiver_decl's type.
1051 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1052 source before comparison.
1054 PR middle-end/28724
1055 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1056 to itype in assignment to oldival2.
1058 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1060 PR c/27490
1061 PR c/27489
1062 * c-typeck.c (build_compound_expr): If the second expression
1063 is an error mark, then just return an error mark instead of
1064 creating a COMPOUND_EXPR.
1066 2006-07-14 Mike Stump <mrs@apple.com>
1068 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1070 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1072 * c-decl.c, var-tracking.c: Fix comment typos.
1074 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1076 PR rtl-optimization/28634
1077 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1078 for floating-point modes unless flag_unsafe_math_optimizations.
1080 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1081 Andrew Pinski <pinskia@physics.uc.edu>
1083 PR c/27184
1084 * tree.c (build_array_type): Unify array types with
1085 unspecified index_type.
1086 * c-decl.c (grokdeclarator): Make sure we do not modify a
1087 unified incomplete array type.
1088 * c-typeck.c (store_init_value): Create distinct type before
1089 filling in the index type in an initializer from a compound
1090 literal.
1092 * c-decl.c (grokdeclarator): Remove code where we copy the
1093 array type over.
1095 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1097 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1098 into account for TODO_dump_cgraph.
1099 (TODO_update_ssa_no_phi): Likewise.
1100 (TODO_update_ssa_full_phi): Likewise.
1101 (TODO_update_ssa_only_virtuals): Likewise.
1102 (TODO_remove_unused_locals): Likewise.
1103 (TODO_set_props): Likewise.
1104 (TODO_update_stmt_usage): Likewise.
1106 2006-08-13 Dirk Mueller <dmueller@suse.de>
1108 * c-common.c (strict_aliasing_warning): Fix formatting.
1110 2006-08-13 Matthias Klose <doko@debian.org>
1112 * doc/invoke.texi: Fix spelling errors.
1114 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1116 PR rtl-optimization/23454
1117 * reorg.c (relax_delay_slots): Update comment.
1119 2006-08-11 Richard Guenther <rguenther@suse.de>
1121 PR middle-end/28651
1122 * simplify-rtx.c (simplify_const_relational_operation):
1123 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1124 codes.
1126 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1128 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1129 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1131 2006-08-10 Paul Brook <paul@codesourcery.com>
1133 * final.c (final_scan_insn): Clear current_insn_predicate before
1134 outputting inline asm.
1136 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1138 PR tree-optimization/26197
1139 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1140 get_ref_base_and_extent and overlap_subvar to add only relevant
1141 subvars as may-aliases.
1142 (add_may_alias_for_new_tag): New function, factored out of
1143 new_type_alias.
1144 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1145 with additional argument.
1146 * tree-flow.h (new_type_alias): Takes additional argument.
1148 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1150 * gcov.c (no_data_file): New flag.
1151 (read_count_file): Set it if data file not present. Assume counts
1152 zero if not found.
1153 (output_lines): Don't name the data file, if there wasn't one.
1155 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1157 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1158 (rs6000_generate_compare): Tweak comments.
1159 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1161 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1163 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1164 (var_debug_decl): New function.
1165 (var_reg_set): Follow debug decl link. Add location even if
1166 reg is already known to hold some other variable.
1167 (var_mem_set): Follow debug decl link.
1168 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1169 decl link. Delete other known locations of the variable part
1170 if requested.
1171 (var_reg_delete, var_mem_delete): Delete other known locations
1172 of the variable part if requested.
1173 (same_variable_part_p): New function.
1174 (add_stores): Select MO_COPY when appropriate.
1175 (vt_initialize): Handle it.
1176 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1177 known locations for MO_SET and MO_CLOBBER.
1178 (find_variable_location_part): New function.
1179 (set_variable_part, delete_variable_part): Use it.
1180 (clobber_variable_part): New function.
1181 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1182 decl link.
1184 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1186 PR tree-optimization/26969
1187 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1188 with an empty list of PHIs.
1190 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1192 PR target/27827
1194 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1195 instructions.
1197 2006-08-06 Andreas Schwab <schwab@suse.de>
1199 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1200 string. Whitespace and comment fixup.
1202 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1204 PR c/28502
1205 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1206 argument.
1208 PR c/27721
1209 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1211 PR c/28136
1212 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1214 2006-08-04 Jan Hubicka <jh@suse.cz>
1216 PR target/26655
1217 PR target/28270
1218 * reload.c (push_reload): Patch out the mismatching instruction;
1219 return early.
1220 (find_reload): Bail out if the instruction was patched out.
1222 2006-08-04 Jan Hubicka <jh@suse.cz>
1224 PR tree-optimization/24888
1225 * tree-inline.c (expand_call_inline): Do not re-record variables.
1226 (declare_inline_vars): Add variable to unexpanded_var_list.
1228 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1229 Roger Sayle <roger@eyesopen.com>
1231 PR rtl-optimization/26244
1232 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1233 inner_const are negative or greater than or equal to the bitsize of
1234 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1235 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1236 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1237 CONST0_RTX (mode) when the new shift count is greater than or equal to
1238 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1239 effects.
1241 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1243 * tree-cfg.c: Fix a comment typo.
1245 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1247 PR c++/28148
1248 * varasm.c (output_constant): Give the front end another chance to
1249 expand constants, after stripping NOPs.
1251 2006-08-03 Jan Hubicka <jh@suse.cz>
1253 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1254 implementation.
1256 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1258 PR tree-optimization/27770
1259 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1260 declaration removed (moved to tree-flow.h).
1261 (vect_can_force_dr_alignment_p): Likewise.
1262 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1263 (moved from tree-vectorizer.h).
1264 (vect_can_force_dr_alignment_p): Likewise.
1265 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1266 from outside the vectorizer - in particular from cgraph stage.
1267 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1268 the alignment of global arrays when -fsection-anchors is enabled.
1269 * cgraphunit.c (cgraph_increase_alignment): New function.
1270 (cgraph_optimize): Call cgraph_increase_alignment.
1272 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1274 PR target/27566
1275 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1276 not reload a SPE symbol_ref into a lo_sum address.
1278 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1280 PR debug/28063
1281 * dwarf2out.c (prune_unused_types_prune): Move call to
1282 prune_unused_types_update_strings to cover the parent DIE also.
1284 2006-08-02 Jan Hubicka <jh@suse.cz>
1286 PR gcov/profile/28480
1287 * tree-cfg.c (change_bb_for_stmt): New function.
1288 (tree_merge_blocks, tree_split_blocks): Use it.
1290 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1292 PR c++/28250
1293 PR c++/28257
1294 PR c++/28259
1295 PR c++/28267
1296 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1297 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1298 (cgraph_optimize): Likewise.
1300 2006-08-01 Stuart Hastings <stuart@apple.com>
1302 * rtl.h (UINTVAL) New.
1303 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1304 * testsuite/gcc.dg/20060801-1.c: New.
1306 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1308 PR debug/23336
1309 * c-typeck.c (build_external_type): Mark used enum types.
1310 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1311 cfun also.
1312 (gen_subprogram_die): Whitespace fix.
1314 2006-08-01 Jan Hubicka <jh@suse.cz>
1316 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1317 bitmap when not needed.
1318 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1319 bitmaps.
1321 2006-08-01 Dirk Mueller <dmueller@suse.de>
1323 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1325 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1327 * Makefile.in: Revert part of previous patch:
1328 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1329 and REGS_H.
1331 2006-07-30 Eric Christopher <echristo@apple.com>
1333 PR target/27543
1334 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1335 (PowerPC Variable Attributes): New section.
1337 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1339 PR target/28126 (partial fix)
1340 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1342 2006-07-28 Jan Hubicka <jh@suse.cz>
1344 PR rtl-optimization/28071
1345 * cfgrtl.c (rtl_delete_block): Free regsets.
1346 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1348 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1350 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1351 and variables used in dependencies.
1353 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1355 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1356 %fs for -mcmodel=kernel.
1357 (stack_tls_protect_test_di): Likewise.
1359 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1361 * Makefile.in: Use mkinstalldirs.
1363 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1365 PR driver/28437
1366 * opts-common.c (prune_options): Skip joined switches.
1368 2006-07-27 Jan Hubicka <jh@suse.cz>
1370 PR rtl-optimization/28071
1371 * cselib.c (cselib_process_insn): Don't remove useless values too
1372 often for very large hashtables.
1374 2006-07-27 Jan Hubicka <jh@suse.cz>
1376 PR rtl-optimization/28071
1377 * global.c (greg_obstack): New obstack.
1378 (allocate_bb_info): Use it.
1379 (free_bb_info): Likewise.
1380 (modify_reg_pav): Likewise.
1382 2006-07-27 Roger Sayle <roger@eyesopen.com>
1384 * builtins.c (fold_fixed_mathfn): When long and long long are the
1385 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1386 functions to their lceil*, lfloor*, lround* and lrint* forms.
1388 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1390 PR gcc/28508
1391 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1392 branch.
1393 (rev_branch_insn): Likewise.
1395 2006-07-27 Jan Hubicka <jh@suse.cz>
1397 PR rtl-optimization/28071
1398 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1399 (reg_set_in_bb, max_reg_computed): New static variables.
1400 (regmove_optimize): Free the new array.
1401 (fixup_match_1): Update call of reg_is_remote_constant_p.
1403 2006-07-26 Jan Hubicka <jh@suse.cz>
1405 PR tree-optimization/27882
1406 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1407 and decl fields.
1408 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1409 next pointer
1410 (cgraph_analyze_compilation_unit): Likewise.
1411 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1412 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1413 (cgraph_early_inlinine): Make order garbage collected.
1414 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1416 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1418 * dbxout.c (output_types_sort): Add a comment.
1419 (output_used_types): Free the VEC.
1421 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1423 * function.c (reorder_fix_fragments): Delete.
1424 (reorder_blocks): Don't call it.
1425 (reorder_blocks_1): Put all subblocks under the origin block.
1427 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1429 PR rtl-optimization/27907
1430 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1431 FLOAT_TRUNCATE.
1433 2006-07-25 Roger Sayle <roger@eyesopen.com>
1435 PR middle-end/28473
1436 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1437 bar(x) check that bar's result type can represent all the values of T.
1439 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1441 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1443 2006-07-25 Nick Clifton <nickc@redhat.com>
1445 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1446 size_lookup[] array.
1447 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1448 (ggc_pch_count_object): Likewise.
1449 (ggc_pch_alloc_object): Likewise.
1450 (ggc_pch_write_object): Likewise.
1451 (init_ggc): Do not attempt to initialize entries in the
1452 size_lookup[] array for objects whose size is greater than than
1453 the length of the array.
1455 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1457 * dbxout.c (output_used_types_helper): Push queued types
1458 on a VEC.
1459 (output_types_sort): New.
1460 (output_used_types): Collect used types on a VEC and sort them
1461 before emission.
1463 2006-07-24 Richard Guenther <rguenther@suse.de>
1465 PR middle-end/28463
1466 * cgraph.c (cgraph_remove_node): Do not check if dumps
1467 are enabled.
1468 * cgraphunit.c (cgraph_optimize): Likewise.
1470 2006-07-24 Jan Hubicka <jh@suse.cz>
1472 PR rtl-optimization/28071
1473 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1474 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1475 splitting before first stmt.
1477 2006-07-24 Jan Hubicka <jh@suse.cz>
1479 PR rtl-optimization/28071
1480 * ipa-inline.c (update_caller_keys): Remove edges that
1481 are no longer inline candidates.
1483 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1485 PR debug/27473
1486 * dbxout.c (output_used_types_helper, output_used_types): New.
1487 (dbxout_symbol): Call output_used_types.
1489 2006-07-23 Jan Hubicka <jh@suse.cz>
1491 PR c/25795
1492 PR c++/27369
1493 * cgraph.c (cgraph_varpool_nodes): Export.
1494 (decide_is_variable_needed): Ignored "used" attribute in
1495 unit-at-a-time mode.
1496 * cgraph.h (cgraph_varpool_nodes): Declare.
1497 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1498 unit-at-a-time mode.
1500 2006-07-23 Roger Sayle <roger@eyesopen.com>
1502 PR target/28247
1503 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1504 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1505 the __gthrw form of thr_keycreate.
1506 (__gthread_key_delete): Silence the unused argument warning.
1508 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1510 PR debug/25468
1511 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1512 Cache the last found '\0' marker to avoid quadratic behavior.
1514 2006-07-23 Jan Hubicka <jh@suse.cz>
1516 * i386.md (subsi_3_zext): Fix output template.
1518 2006-07-21 Mike Stump <mrs@apple.com>
1520 * doc/invoke.texi (C++ Dialect Options): Note that
1521 -fvisibility-inlines-hidden doesn't affect explicitly
1522 instantiationed inline methods.
1524 2006-07-20 Roger Sayle <roger@eyesopen.com>
1526 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1527 if the target assembler is GNU binutils' gas.
1528 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1529 whether to pass GNU gas or native as command line options.
1531 2006-07-20 Jason Merrill <jason@redhat.com>
1533 * tree.c (remove_attribute): New fn.
1534 * tree.h: Declare it.
1536 2006-07-20 Paul Brook <paul@codesourcery.com>
1538 PR 27363
1539 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1540 they are invalidated by this instruction.
1542 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1544 PR target/28427
1545 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1547 2006-07-20 Eric Christopher <echristo@apple.com>
1549 PR target/26877
1550 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1552 2006-07-19 Eric Christopher <echristo@apple.com>
1554 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1555 Rewrite dependencies for libgcc_s.1.dylib.
1557 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1559 * except.c (duplicate_eh_regions_1): Clear next_peer.
1561 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1563 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1564 -mlongcall does not guarantee all calls will be long.
1565 * doc/extend.texi (long_call/short_call): Document that longcall
1566 does not guarantee a long call will be used.
1567 (longcall/shortcall): Likewise.
1569 2006-07-18 Roger Sayle <roger@eyesopen.com>
1571 PR middle-end/28283
1572 * expmed.c (expand_shift): Additionally check that the shift_cost
1573 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1574 before implementing a LSHIFT_EXPR as a sequence of additions.
1575 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1576 middle-end that DImode shifts need to be synthesized by expand.
1578 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1580 PR 28410
1581 * tree-ssa-operands.c (access_can_touch_variable): Update
1582 comment.
1583 Return true if ALIAS is .GLOBAL_VAR.
1585 2006-07-18 David Daney <ddaney@avtrex.com>
1587 * gcc.c (display_help): Fix typo in help text.
1589 2006-07-18 Olivier Hainque <hainque@adacore.com>
1591 * tree.h (categorize_ctor_elements): Adjust prototype and add
1592 descriptive comment, both in accordance with the interface change
1593 described below.
1594 * varasm.c (constructor_static_from_elts_p): New function.
1595 Whether a constructor node is a valid static constant initializer
1596 if all its elements are.
1597 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1598 * output.h: Declare it.
1599 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1600 is a valid constant initializer instead of computing the number of
1601 non-constant elements. Use constructor_static_from_elts_p for this
1602 purpose. Replace the head comment with an indication that this is a
1603 helper for categorize_ctor_elements.
1604 (categorize_ctor_elements): Same interface change as for the _1
1605 helper. Former head comment from this helper moved here, adjusted to
1606 account for the interface changes.
1607 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1608 (all_zeros_p): Likewise.
1609 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1610 static versions of the constructor from the categorize_ctor_elements
1611 return value instead of the formerly computed number of non-constant
1612 elements.
1614 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1616 * configure: Regenerate.
1617 * Makefile.in (build_libsubdir): New configure substitution
1618 (build_libobjdir): New variable.
1619 (BUILD_LIBIBERTY): Use it.
1621 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1623 PR c/28286
1624 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1626 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1628 PR c/26993
1629 * c-common.c (handle_weakref_attribute): Ignore attribute in
1630 the same conditions the alias attribute is ignored.
1632 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1634 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1635 (dbxout_begin_prologue): Increment scope_labelno.
1637 2006-07-17 Richard Henderson <rth@redhat.com>
1639 PR 27889
1640 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1641 if needed.
1643 2006-07-17 Roger Sayle <roger@eyesopen.com>
1644 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1646 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1647 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1648 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1649 functions such as sbrk, write, etc.. Add function prototypes.
1650 Convert function declarations from K&R to ISO C. Cast pointers
1651 to "long" and "unsigned long" instead of "int" and "unsigned int".
1652 Convert tokens following #endif into comments.
1654 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1656 * invoke.texi: Remove mention of f77; Reformat table for
1657 inline parameter options correctly; mention that -malign-double
1658 is default on x86-64 targets.
1660 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1662 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1663 (convert_affine_scev, chrec_convert_aggressive): Use
1664 avoid_arithmetics_in_type_p. Do not check for the subtypes
1665 separately.
1667 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1669 PR middle-end/28403
1670 * optabs.c (expand_doubleword_shift): Wrap the call to
1671 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1673 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1675 PR middle-end/28402
1676 * optabs.c (expand_binop): Pass next_methods rather than methods
1677 to expand_doubleword_shift.
1679 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1681 PR other/28251
1682 * tree.h (dump_addr): Declare.
1683 * print-tree.c (dump_addr): New function.
1684 (print_node_brief, print_node): Use it.
1685 * print-rtl.c (print_rtx): Likewise.
1686 * common.opt (-fdump-noaddr): New option.
1687 * doc/invoke.texi (-fdump-noaddr): Document.
1688 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1689 (ve_info_hash): Likewise.
1691 2006-07-13 Andrew Haley <aph@redhat.com>
1693 PR tree-optimization/19505
1694 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1695 edge leaving this block, make sure that the destination of this
1696 block has only one predecessor.
1698 2006-07-17 Richard Guenther <rguenther@suse.de>
1700 PR tree-optimization/28238
1701 * tree-inline.c (copy_bb): Check if we produced valid
1702 gimple copying and substituting a stmt. If not, gimplify
1703 it.
1705 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1707 * optabs.c (maybe_encapsulate_block): New function extracted from...
1708 (emit_libcall_block): ...here. Invoke it on the block of insns to
1709 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1710 (emit_no_conflict_block): Likewise.
1712 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1714 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1716 2006-07-15 Roger Sayle <roger@eyesopen.com>
1718 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1719 a new NOP_EXPR case of the switch statement.
1721 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1723 PR middle-end/28160
1724 * stor-layout.c (place_field): Take the bit field with
1725 an excessive size into account in the ms-bitfiled case.
1727 PR middle-end/28161
1728 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1729 the previous bit field.
1731 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1733 PR target/27287
1734 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1736 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1738 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1739 signal frames correctly even when the signal was installed with
1740 sa_restorer set.
1742 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1744 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1745 (dbxout_function_end): Use local label LFBB. Remove hook
1746 DBX_OUTPUT_NFUN.
1747 (dbxout_source_line): Use local label LFBB.
1748 (dbxout_block): Likewise.
1749 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1750 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1751 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1752 and DBX_OUTPUT_NFUN.
1754 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1756 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1758 2006-07-13 Jan Hubicka <jh@suse.cz>
1760 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1761 align_variable.
1762 * output.h (align_variable): Declare.
1763 * varasm.c (align_variable): Export.
1764 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1765 when basic block changed.
1767 2006-07-13 Nick Clifton <nickc@redhat.com>
1769 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1770 walking the LOG_LINKS chain.
1772 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1774 * doc/invoke.texi (C++ Dialect Options): Explain difference
1775 between -fvisibility-inlines-hidden and setting hidden
1776 visibility explicitly.
1778 2006-07-12 Eric Christopher <echristo@apple.com>
1780 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1781 (stmp-lipo): Depend on libgcc.a.
1783 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1785 * tree.c: Fix a comment typo.
1787 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1789 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1790 dest.
1791 (umulhisi3_r): Likewise.
1793 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1795 PR libstdc++/27878
1796 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1797 x < 19, vs wchar_t support.
1799 2006-07-12 Nick Clifton <nickc@redhat.com>
1801 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1802 instead of -isa=sh4.
1804 2006-07-12 Mike Stump <mrs@apple.com>
1806 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1808 2006-07-10 Eric Christopher <echristo@apple.com>
1810 * config/t-slibgcc-darwin: Rewrite.
1812 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1814 PR bootstrap/20437
1815 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1816 dependencies.
1818 2006-07-08 Matthias Klose <doko@debian.org>
1820 * doc/sourcebuild.texi: Fix typo.
1822 2006-07-07 Mike Stump <mrs@apple.com>
1824 * toplev.c (process_options): Don't give -ffunction-sections may
1825 affect debugging warning for Mach-O.
1827 2006-07-07 James E Wilson <wilson@specifix.com>
1829 * config/mips/mips.md (cpu): Add sb1a.
1830 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1831 addition to sb1. Adjust comments to clarify SB-1A differences from
1832 SB-1.
1833 (ir_sb1a_load): New. Modify bypasses to use it.
1834 (ir_sb1a_simple_alu): Likewise.
1835 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1836 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1837 (mips_issue_rate): Add PROCESSOR_SB1A.
1838 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
1839 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
1840 (TARGET_SB1): Add PROCESSOR_SB1A check.
1841 (TUNE_SB1): Likewise.
1843 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
1844 * config/mips/mips.c (mips_store_data_bypass_p): New.
1845 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
1846 store_data_bypass_p.
1848 2006-07-08 Paul Brook <paul@codesourcery.com>
1850 PR target/27991
1851 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
1853 2006-07-07 Richard Guenther <rguenther@suse.de>
1855 PR middle-end/28268
1856 * tree.h (build_one_cst): Declare.
1857 * tree.c (build_one_cst): New function.
1858 * tree-ssa-math-opts.c (get_constant_one): Remove.
1859 (insert_reciprocals): Use build_one_cst.
1860 * fold-const.c (fold_plusminus_mult): Likewise.
1862 2006-07-07 Roger Sayle <roger@eyesopen.com>
1864 * pointer-set.c (pointer_set_destroy): Correct whitespace.
1865 * cfgloopanal.c (dump_graph): Likewise.
1866 * dojump.c (discard_pending_stack_adjust): Likewise.
1867 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
1868 Likewise.
1869 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
1870 * function.c (finalize_block_changes): Likewise.
1871 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
1872 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
1873 * rtl.c (dump_rtx_statistics): Likewise.
1874 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
1875 Likewise.
1876 * varray.c (dump_varray_statistics): Likewise.
1877 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1878 decode_decimal64, encode_decimal128, decode_decimal128,
1879 decimal_real_to_decimal): Likewise.
1881 2006-07-07 Richard Guenther <rguenther@suse.de>
1883 PR tree-optimization/28187
1884 * tree-vrp.c (vrp_operand_equal_p): New function.
1885 (vrp_bitmap_equal_p): Likewise.
1886 (update_value_range): Use them to compare old and new
1887 max and min values.
1889 2006-07-06 Roger Sayle <roger@eyesopen.com>
1891 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
1892 a default case to switch statement to silence compiler warnings.
1894 2006-07-06 Roger Sayle <roger@eyesopen.com>
1896 PR target/27968
1897 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
1898 the configured assembler supports the x87's ffreep mnemonic.
1899 * configure: Regenerate.
1900 * config.in: Regenerate.
1902 * config/i386/i386.c (output_387_ffreep): New function.
1903 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
1904 (output_387_reg_move): Likewise.
1906 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
1908 Port to hosts whose 'sort' and 'tail' implementations
1909 treat operands with leading '+' as file names, as POSIX
1910 has required since 2001. However, make sure the code still
1911 works on pre-POSIX hosts.
1912 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
1913 which says you should use "tail -c +N" rather than "tail +Nc".
1914 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
1916 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
1918 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
1919 argument name.
1921 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1923 PR target/28150
1924 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
1925 PRE_{INC,DEC} of TFmode.
1927 2006-07-06 David Edelsohn <edelsohn@gnu.org>
1928 Alan Modra <amodra@bigpond.net.au>
1930 PR target/28170
1931 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
1932 bounds. Simplify.
1934 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1936 PR target/28285
1937 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
1938 Remove duplicate gtu.
1940 2006-07-05 Jason Merrill <jason@redhat.com>
1942 PR c++/13983
1943 PR c++/17519
1944 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
1945 * c-common.c (handle_packed_attribute): So don't copy it here.
1946 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
1948 2006-07-05 Mike Stump <mrs@apple.com>
1950 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
1952 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
1954 PR target/26146
1955 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
1957 2006-07-05 Richard Guenther <rguenther@suse.de>
1959 PR target/28158
1960 * config/i386/i386.md (*negdf2_1): Restrict pattern to
1961 TARGET_SSE2 targets if using SSE math.
1962 (*absdf2_1): Likewise.
1964 2006-07-05 Richard Guenther <rguenther@suse.de>
1966 PR tree-optimization/28162
1967 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
1968 make sure to convert the operands to the correct type.
1970 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
1972 PR tree-optimization/28218
1974 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
1975 to calculate and free the dominator information.
1977 2006-07-04 Peter O'Gorman <peter@pogma.com>
1979 * mklibgcc.in: chmod 644 before ranlib during install.
1981 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1982 J"orn Rennecke <joern.rennecke@st.com>
1984 * configure.ac (.eh_frame data check): Use diff -b.
1986 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1988 PR bootstrap/18058
1989 * Makefile.in (BUILD_RTL): Add build/vec.o.
1990 (build/gencondmd.o): Filter out -fkeep-inline-functions.
1991 (build/genextract): Delete.
1992 (build/genautomata): Likewise.
1994 2006-07-04 Alan Modra <amodra@bigpond.net.au>
1996 PR target/28207
1997 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
1998 128-bit IBM long doubles for ABI_V4.
2000 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2002 * tree.c (range_in_array_bounds_p): New predicate.
2003 * tree.h (range_in_array_bounds_p): Declare it.
2004 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2005 return a less conservative answer.
2006 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2007 and flag 'is_group'.
2008 (IS_ELEMENT_FOR_GROUP): New macro.
2009 (FOR_EACH_ACTUAL_CHILD): Likewise.
2010 (next_child_for_group): New helper function.
2011 (can_completely_scalarize_p): Take into account groups.
2012 (sra_hash_tree): Handle RANGE_EXPR.
2013 (sra_elt_eq): Likewise.
2014 (lookup_element): Be prepared for handling groups.
2015 (is_valid_const_index): Delete.
2016 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2017 instead of is_valid_const_index.
2018 <ARRAY_RANGE_REF>: New case.
2019 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2020 is_valid_const_index.
2021 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2022 (scan_dump): Dump info for groups too.
2023 (decide_instantiation_1): Likewise.
2024 (decide_block_copy): Assert that the element is not a group.
2025 Propagate decision to groups.
2026 (generate_one_element_ref): Handle RANGE_EXPR.
2027 (mark_no_warning): Iterate over actual childs.
2028 (generate_copy_inout): Likewise.
2029 (generate_element_copy): Likewise.
2030 (generate_element_zero): Likewise.
2031 (generate_element_init_1): Likewise.
2032 (dump_sra_elt_name): Handle RANGE_EXPR.
2034 2006-07-03 Roger Sayle <roger@eyesopen.com>
2036 PR tree-optimization/26251
2037 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2038 (thread_block): When optimizing for size refuse to thread jumps
2039 that would require duplication of blocks other than redirection
2040 blocks.
2042 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2044 * configure.ac: Fix thinko in previous check-in.
2045 * configure: Regenerate.
2047 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2049 PR other/27063
2050 * configure.ac (for lang...): Simplify nesting of conditionals.
2051 Test subdir_requires for non-enabled languages. Move processing
2052 of lang_opt_files and lang_tree_fiels below that test.
2053 * configure: Regenerate.
2054 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2056 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2058 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2060 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2062 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2063 comment typos.
2065 2006-06-29 Jason Merrill <jason@redhat.com>
2067 PR c++/26905
2068 PR c++/26612
2069 PR c++/27000
2070 PR c++/26984
2071 PR c++/19134
2072 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2073 * c-common.c (c_determine_visibility): Handle it here.
2074 * c-decl.c (finish_decl): Call c_determine_visibility for
2075 functions, too.
2076 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2077 * tree.h: Likewise.
2078 * varasm.c (default_assemble_visibility): Likewise.
2079 * c-common.c (handle_visibility_attribute): Complain about trying
2080 to give visibility to an already defined class, or trying to change
2081 declared visibility. Always attach the attribute.
2083 PR c++/26905
2084 PR c++/21675
2085 PR c++/17470
2086 * attribs.c (decl_attributes): Ignore type-in-place attributes
2087 once the type has been defined.
2089 2006-06-29 Roger Sayle <roger@eyesopen.com>
2091 PR middle-end/27428
2092 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2093 to indicate the cpplib has issued an error message for us.
2095 2006-06-29 Asher Langton <langton2@llnl.gov>
2097 PR target/25765
2098 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2099 insert a label at the end of an function under Mach-O.
2101 2006-06-29 Eric Christopher <echristo@apple.com>
2102 Evan Cheng <evan.cheng@apple.com>
2104 * predicates.md (vector_all_ones_operand): New.
2105 (nonimmediate_or_sse_const_operand): Ditto.
2106 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2107 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2108 (standard_sse_mode_p): Ditto.
2109 (standard_sse_constant_p): Add case for -1 vector.
2110 (ix86_expand_vector_move): Try to use.
2111 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2112 Call standard_sse_constant_opcode.
2113 (*movv4sf_internal): Ditto.
2114 (*movv2df_internal): Ditto.
2116 2006-06-29 Roger Sayle <roger@eyesopen.com>
2118 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2119 of XEXP to extract the operands of a MATCH_CODE rtx.
2121 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2123 * tree.c (tree_size): Do not waste tail padding in
2124 struct tree_string and make the size be the same as
2125 build_string will generate.
2127 2006-06-28 Jason Merrill <jason@redhat.com>
2129 PR c++/27768
2130 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2131 may_aliases already in the tag's annotations to the bitmap.
2133 2006-06-28 Roger Sayle <roger@eyesopen.com>
2135 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2137 2006-06-28 Roger Sayle <roger@eyesopen.com>
2139 * genpreds.c (generate_switch_p): New function.
2140 (add_mode_tests): Push the new mode test down inside an AND expr
2141 if this allows the switch-suitable MATCH_CODE to be near the root.
2142 (write_match_code_switch): New function to write a MATCH_CODE as
2143 a switch statement.
2144 (write_predicate_stmts): New function to write a predicate RTX
2145 expression as a sequence of statements.
2146 (write_one_predicate_function): Use write_predicate_stmts.
2147 (write_tm_constrs_h): Likewise.
2149 2006-06-26 Fred Fish <fnf@specifix.com>
2151 * config/mips/t-sb1: New file.
2152 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2153 tmake_file list.
2155 2006-06-26 DJ Delorie <dj@redhat.com>
2157 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2159 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2160 Jayant Sonar <jayants@kpitcummins.com>
2161 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2163 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2164 (subsi3, subsi3_1, subsi3_2): New.
2165 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2166 * config/m32c/mov.md (SI mov peephole): New.
2167 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2168 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2170 2006-06-26 Olivier Hainque <hainque@adacore.com>
2172 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2173 a CALL_EXPR target function declaration.
2175 2006-06-26 Richard Guenther <rguenther@suse.de>
2177 * tree.c (build_string): Do not waste tail padding in
2178 struct tree_string.
2180 2006-06-26 Richard Guenther <rguenther@suse.de>
2182 * ggc-page.c (init_ggc): Add missing element to size_lookup
2183 table.
2185 Revert
2186 2006-06-23 Richard Guenther <rguenther@suse.de>
2188 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2189 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2190 alignment requests instead. Add verification code.
2191 Add struct tree_function_decl and struct tree_binfo size to
2192 extra_order_size_table. Add missing element to size_lookup
2193 table.
2195 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2197 PR middle-end/28151
2198 * fold-const.c (const_binop): Be prepared for self returning zero.
2199 Simplify code handling complex values.
2201 2006-06-24 Olivier Hainque <hainque@adacore.com>
2203 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2204 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2205 aggregate types.
2207 2006-06-24 Olivier Hainque <hainque@adacore.com>
2209 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2210 ARRAY_REF, so have the callback called for the low bound expression.
2212 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2214 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2215 * c-typeck.c (c_common_type): Disallow operations on decimal float
2216 types and other float types.
2217 * convert.c (convert_to_real): Don't ignore conversions involving
2218 decimal float types.
2220 2006-06-23 Olivier Hainque <hainque@adacore.com>
2222 * tree.c (max_int_size_in_bytes): New function, inspired from
2223 code in function.c:assign_temp.
2224 * tree.h (max_int_size_in_bytes): Declare.
2225 * function.c (assign_temp): Use it.
2226 * gimplify.c (create_tmp_var): Relax the assertions on the type
2227 properties, not mandating constant size any more.
2228 (force_constant_size): New static function.
2229 (gimple_add_tmp_var): Use it, forcing variable size to a
2230 constant upper bound if it is not constant on entry.
2232 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2234 PR target/27789
2235 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2236 for initialization and setting of one_only flag to ...
2237 (i386_pe_encode_section_info): ...here.
2238 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2239 Recheck that the symbol has not been defined.
2241 2006-06-23 Richard Guenther <rguenther@suse.de>
2243 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2244 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2245 alignment requests instead. Add verification code.
2246 Add struct tree_function_decl and struct tree_binfo size to
2247 extra_order_size_table. Add missing element to size_lookup
2248 table.
2250 2006-06-22 Roger Sayle <roger@eyesopen.com>
2251 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2253 PR middle-end/28131
2254 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2255 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2257 2006-06-23 Ben Elliston <bje@au.ibm.com>
2259 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2260 negate dn -- manipulate it directly.
2262 2006-06-22 Roger Sayle <roger@eyesopen.com>
2263 Steven Bosscher <stevenb.gcc@gmail.com>
2265 PR target/27531
2266 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2267 generated by gen_move_insn to add REG_LABEL notes if necessary.
2269 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2271 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2272 (leaf_entry): Remove use of MIN_ESA.
2274 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2276 PR rtl-optimization/28121
2277 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2278 the entry edge.
2280 2006-06-21 DJ Delorie <dj@redhat.com>
2282 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2283 (TN-16C-A156A/E).
2284 (mulhisi3_r): Likewise.
2286 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2288 PR middle-end/28034
2289 * coverage.c (coverage_counter_alloc): Leave the index type
2290 unspecified.
2291 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2292 of the ARRAY_REF.
2294 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2296 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2297 section from the "Options for Code Generation Conventions".
2299 2006-06-21 Richard Henderson <rth@redhat.com>
2301 PR target/26347
2302 PR target/27082
2303 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2304 symbols.
2305 (global_symbolic_operand): Allow weak symbols, even if local_p.
2307 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2309 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2310 (find_interesting_uses_address): Punt if above function returns true.
2312 2006-06-21 Richard Guenther <rguenther@suse.de>
2314 * configure: Regenerated.
2316 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2318 * config/mips/mips.c (function_arg): Where one part of a
2319 complex argument is in registers and the other part in the stack,
2320 return a REG not a PARALLEL.
2322 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2324 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2325 when cross-compiling. Do not substitute libstdcxx_incdir.
2326 * configure: Regenerated.
2328 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2330 * varasm.c (mergeable_string_section): Check for embedded NULs and
2331 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2332 rather than TREE_STRING_LENGTH bytes.
2334 2006-06-21 Richard Guenther <rguenther@suse.de>
2336 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2337 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2338 sizes.
2340 2006-06-21 Richrad Guenther <rguenther@suse.de>
2342 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2343 Limit iteration over the dominators.
2345 2006-06-20 Roger Sayle <roger@eyesopen.com>
2347 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2348 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2350 2006-06-20 Richard Guenther <rguenther@suse.de>
2351 Michael Matz <matz@suse.de>
2353 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2354 function.
2355 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2356 * et-forest.h (et_free_pools): Prototype new function.
2357 * et-forest.c (et_free_tree_force): Free parent occurrence.
2358 (et_free_pools): New function.
2359 * dominance.c (free_dominance_info): Free et-forest alloc
2360 pools.
2362 2006-06-20 Roger Sayle <roger@eyesopen.com>
2364 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2365 integer modes, attempt to directly construct an integer constant.
2367 * fold-const.c (native_encode_vector): Determine the size of each
2368 element from the vector type instead of the first vector element.
2370 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2371 if all of its elements/components are constant.
2372 (build_constructor_from_list): Likewise.
2374 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2376 PR tree-optimization/27331
2377 * tree-data-ref.c (free_data_ref): New function.
2378 (create_data_ref): Fail if the data reference has unknown access
2379 function.
2380 (free_data_refs): Use free_data_ref.
2382 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2384 PR middle-end/28075
2385 * tree-inline.c (setup_one_parameter): Strip useless
2386 type conversion before adding it to the IR.
2387 (declare_return_variable): Likewise.
2389 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2391 PR c/27149
2392 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2394 2006-06-19 Mike Stump <mrs@apple.com>
2396 * tree.c (variably_modified_type_p): VM arguments don't make the
2397 type a VM type.
2399 2006-06-19 Richard Guenther <rguenther@suse.de>
2401 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2402 type conversions after folding.
2404 2006-06-19 Richard Guenther <rguenther@suse.de>
2406 * ggc-page.c (extra_order_size_tab): Add entries with
2407 size of struct function and basic_block.
2408 (size_lookup): Extend to cover sizes up to 511.
2409 (ggc_alloc_stat): Adjust user.
2410 (ggc_pch_count_object): Likewise.
2411 (ggc_pch_alloc_object): Likewise.
2412 (ggc_pch_write_object): Likewise.
2414 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2416 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2417 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2418 correctly.
2420 2006-06-19 Denis Chertykov <denisc@overta.ru>
2422 * config/avr/libgcc.S : Correct my wrong previous commit.
2424 2006-06-19 Roger Sayle <roger@eyesopen.com>
2426 PR target/27861
2427 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2428 have stripped a SUBREG from the shift count, so we may need to
2429 convert_to_mode back to the type's mode before calling make_tree.
2430 Use new_amount instead of amount to avoid expanding a tree twice.
2432 2006-06-19 Richard Guenther <rguenther@suse.de>
2434 PR middle-end/28045
2435 * fold-const.c (operand_equal_p): Check if the argument types
2436 have the same precision before stripping NOPs.
2438 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2440 Fix PR tree-optimization/27341
2441 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2442 statement we get.
2443 * tree-complex.c (pass_lower_complex): Update SMT usage.
2445 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2447 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2448 Add a new alternative to the constraint strings. Add move of
2449 operand 1 to 3 to the splitter definition.
2450 ("doloop_si_long"): Second contraint alternative removed.
2452 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2454 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2455 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2456 __AVR_HAVE_LPMX__.
2457 (AVR_HAVE_MOVW) Define.
2458 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2459 (ASM_SPEC): Add avr25.
2460 (LINK_SPEC): Add avr25.
2461 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2462 (base_arch_s): Add new member 'have_movw_lpmx'.
2463 (avr_arch_types): Init 'have_movw_lpmx'.
2464 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2465 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2466 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2467 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2468 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2469 AVR_HAVE_MOVW.
2470 (avr_file_start): Do not output '.arh' derective.
2471 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2472 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2473 * config/avr/avr.md (mcu_enhanced): Delete.
2474 (mcu_have_movw): Define.
2475 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2476 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2477 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2478 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2479 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2480 attiny861 and at86rf401 devices.
2482 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2484 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2485 of 4096.
2487 2006-06-17 Karl Berry <karl@gnu.org>
2489 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2490 doc/gccint.texi, doc/install.texi (@dircategory): Use
2491 "Software development" instead of "Programming", following
2492 the Free Software Directory.
2494 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2496 * config/i386/i386.c (legitimate_tls_address)
2497 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2498 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2499 (*tls_dynamic_gnu2_combine_64): Likewise.
2501 2006-06-16 Richard Guenther <rguenther@suse.de>
2503 PR middle-end/27116
2504 * fold-const.c (negate_expr_p): Do not introduce undefined
2505 overflow in negating INTEGER_CSTs.
2506 (fold_negate_expr): Rename from negate_expr. Revert last
2507 change for folding BIT_NOT_EXPR. Change semantics to
2508 return NULL_TREE for non-simplified negations. Do not
2509 strip type conversions and unify type handling.
2510 (negate_expr): New function, wrap around fold_negate_expr
2511 but ensure building a tree always. Strip type conversions
2512 here, fold to result type.
2513 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2515 2006-06-16 Roger Sayle <roger@eyesopen.com>
2517 PR middle-end/27802
2518 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2519 that (would) return their results in stack registers.
2521 2006-06-16 Michael Matz <matz@suse.de>
2522 Richard Guenther <rguenther@suse.de>
2524 * fold-const.c (fold_truthop): Only return new tree node if
2525 we canonicalized something.
2527 2006-06-16 Richard Guenther <rguenther@suse.de>
2529 * function.h (enum function_frequency): Move declaration
2530 out of struct function.
2531 (struct function): Move bool fields and the enum to the bitfield
2532 section. Reorder elements to avoid padding. Remove unused
2533 fields left over from the RTL inliner removal.
2534 * function.c (free_after_compilation): Do not zero removed fields.
2535 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2536 (ipa-type-escape.o): Likewise.
2538 2006-06-16 Richard Guenther <rguenther@suse.de>
2540 * cgraph.h (struct cgraph_local_info): Turn bool elements
2541 into a bitfield.
2542 (struct cgraph_node): Likewise.
2543 (struct cgraph_varpool_node): Likewise.
2545 2006-06-15 Richard Guenther <rguenther@suse.de>
2547 * fold-const.c (fold_truth_not_expr): Rename from
2548 invert_truthvalue. Give it fold_* semantics to avoid
2549 generating garbage.
2550 (invert_truthvalue): New function. Wrapper around
2551 fold_truth_not_expr.
2552 (optimize_minmax_comparison): Avoid creating garbage.
2553 (fold_unary): Use fold_truth_not_expr for folding
2554 TRUTH_NOT_EXPR.
2555 (fold_ternary): Replace uses of invert_truthvalue with
2556 fold_truth_not_expr where applicable.
2557 * tree.h (fold_truth_not_expr): Prototype.
2559 2006-06-16 Richard Guenther <rguenther@suse.de>
2561 PR tree-optimization/27781
2562 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2563 * ipa-pure-const.c (target.h): Include.
2564 (analyze_function): Do not analyze functions that do not
2565 bind locally.
2567 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2569 PR middle-end/27793
2570 * tree-dfa.c (referenced_vars_dup_list): Remove.
2571 (find_referenced_vars): Remove assert.
2572 (referenced_var_check_and_insert): Replace dup list with assert.
2573 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2574 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2576 2006-06-15 Richard Guenther <rguenther@suse.de>
2578 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2579 extra unused identifiers if not dumping.
2580 (create_variable_info_for): Likewise.
2582 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2584 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2585 (derive_constant_upper_bound): Derive more precise upper bound in
2586 common cases. Return type changed to double_int.
2587 (record_estimate): Reflect the changed return type of
2588 derive_constant_upper_bound.
2589 * double-int.c (double_int_zext, double_int_sext): Fix.
2591 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2593 * configure.ac (CFLAGS): Get them from the toplevel or from the
2594 configure invocation.
2595 * configure: Regenerate.
2596 * Makefile.in (CFLAGS): Substitute value provided by configure.
2598 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2600 PR c++/26559
2601 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2602 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2603 rather than calling add_stmt on it.
2604 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2606 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2608 PR middle-end/27959
2609 * reload1.c (reload): Remove registers returned by update_eliminables
2610 from used_spill_regs.
2612 2006-06-13 DJ Delorie <dj@redhat.com>
2614 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2616 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2618 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2619 html__strip_dir, html__mkdir_p. Enhance install-html target.
2620 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2621 * configure: Regenerate.
2623 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2625 * fold-const.c (fold_cond_expr_with_comparison): Check for
2626 Objective-C++ as language in deciding COND_EXPR transformation.
2628 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2630 PR target/28014:
2631 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2632 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2633 * config/sh/lib1funcs.h (SL, SL1): Define.
2634 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2635 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2636 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2637 (OBJS_Os_4_200): New variable.
2638 ($(T)libgcc-Os-4-200.a): Use it.
2639 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2640 when dividing 1 and/or by 0.
2642 2006-06-13 Roger Sayle <roger@eyesopen.com>
2644 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2645 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2646 * configure: Regenerate.
2648 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2650 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2651 for real instruction.
2653 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2655 PR middle-end/26807
2656 * haifa-sched.c (check_cfg): Handle special case.
2658 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2660 PR debug/26754
2661 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2662 Add debug_info parameter. Chain the vars to the BLOCK instead
2663 of the BIND_EXPR if debug info are requested for them.
2664 (pop_gimplify_context): Adjust for above change.
2665 (gimple_add_tmp_var): Likewise.
2666 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2667 Add bool parameter.
2668 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2669 (convert_local_reference): Likewise.
2670 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2671 (finalize_nesting_tree_1): Request that debug info be emitted
2672 for debug_var_chain.
2674 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2676 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2677 for PR target/27863.
2679 2006-06-13 Richard Guenther <rguenther@suse.de>
2681 PR middle-end/27536
2682 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2684 2006-06-13 Richard Guenther <rguenther@suse.de>
2686 PR tree-optimization/27830
2687 * tree-inline.c (copy_body_r): For copying the operand
2688 of an ADDR_EXPR make sure to fold &* afterwards.
2690 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2692 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2693 lvalues in the fb_none case with side-effects.
2695 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2697 * tree-flow.h: Remove the prototype for
2698 compute_phi_arg_on_exit.
2699 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2700 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2701 Remove.
2703 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2705 * builtins.c (expand_builtin_return_addr): Only use
2706 frame_pointer_rtx when count == 0 and we are expanding
2707 __builtin_return_address.
2709 2006-06-12 Fred Fish <fnf@specifix.com>
2711 * config/mips/mips.c (mips_file_start): Create special section
2712 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2714 2006-06-11 Eric Christopher <echristo@apple.com>
2716 PR middle-end/27948
2717 * stor-layout.c (place_field): Remove check for
2718 remaining_in_alignment when aligning at the end of a run.
2720 2006-06-11 Eric Christopher <echristo@apple.com>
2722 PR 27542
2723 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2724 pragma.
2726 2006-06-11 Roger Sayle <roger@eyesopen.com>
2728 PR target/27858
2729 Revert incorrect fix for PR target/27158
2730 2006-05-08 Roger Sayle <roger@eyesopen.com>
2731 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2732 of a reg_equiv_constant if the result is a legitimate constant.
2734 2006-06-11 Roger Sayle <roger@eyesopen.com>
2736 PR target/27158
2737 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2738 extract a CONST_VECTOR element and interpret it as an integer.
2739 (vspltis_constant): Use const_vector_elt_as_int instead of the
2740 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2741 * config/rs6000/predicates.md (easy_vector_const): Consider
2742 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2744 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2746 PR middle-end/27942
2747 * stor-layout.c (update_alignment_for_field): Don't add extra
2748 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2749 code.
2751 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2753 * config/mips/t-rtems: Add EL/EB multilib variants.
2755 2006-06-09 Mike Stump <mrs@apple.com>
2757 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2759 2006-06-09 David Daney <ddaney@avtrex.com>
2761 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2763 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2765 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2767 2006-06-09 Richard Guenther <rguenther@suse.de>
2769 PR tree-optimization/26998
2770 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2771 of signed types, only TYPE_MIN_VALUE is special, but for both,
2772 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2773 in this case, as is -fwrapv.
2775 2006-06-08 Mike Stump <mrs@apple.com>
2777 PR target/26427
2778 * config/darwin.c (darwin_asm_output_anchor): Disable
2779 -fsection-anchors on darwin for now.
2780 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2781 * rs6000/rs6000.c (optimization_options): Likewise.
2783 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2785 PR target/27421
2786 * config/i386/i386.c (classify_argument): Skip fields with invalid
2787 types in unions.
2789 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2791 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2792 (cse_insn): Likewise for the stack_pointer_rtx.
2794 2006-06-08 Roger Sayle <roger@eyesopen.com>
2796 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2797 conditions from floating point comparisons.
2799 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2801 PR middle-end/27733
2802 * expmed.c (struct alg_hash_entry): Fix type of field T
2803 to match synth_mult argument.
2804 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2806 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2808 PR target/27863
2809 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2810 block boundaries.
2812 2006-06-08 Richard Guenther <rguenther@suse.de>
2814 PR middle-end/27116
2815 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2816 only, if overflow is defined and not trapping.
2817 (negate_expr): Likewise.
2819 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2821 PR tree-optimization/27872
2822 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2823 flag on the new exit edge of the unrolled loop.
2825 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2827 PR rtl-optimization/26449
2828 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2830 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2832 PR middle-end/27793
2833 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2834 referenced_variables with matching DECL_UID's.
2835 (find_referenced_vars): Make sure duplicate list is empty to start.
2836 (referenced_var_p): Remove.
2837 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2838 Check if var is in the list, and add if needed. Update the duplicate
2839 list if a different var is in the list with the same DECL_UID.
2840 (add_referenced_var): Call routine to check and insert.
2841 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
2842 * tree-flow.h (referenced_vars_dup_list): External declaration.
2844 2006-06-07 Fred Fish <fnf@specifix.com>
2846 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
2847 into single entry.
2849 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
2851 PR target/27390
2852 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
2853 the imaginary and real parts of a clobbered register.
2854 Emit insn to set the imaginary part.
2856 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
2858 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
2859 in lieu of unwind-dw2-fde.c.
2861 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2863 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2865 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
2867 PR target/27842
2868 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
2869 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
2870 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
2871 V4SImode temporaries and operations instead.
2873 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
2875 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
2876 dp-bit.c.
2878 2006-06-06 Mike Stump <mrs@apple.com>
2880 * Makefile.in: Rename to htmldir to build_htmldir to avoid
2881 installing during build.
2883 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2885 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
2886 value to 0.
2887 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2888 * config/ia64/ia64.c (params.h): New header.
2889 (ia64_optimization_options): New function to adjust parameters.
2890 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
2891 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
2892 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2894 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
2896 * stor-layout.c (debug_rli): Fix a typo in a debug message.
2898 2006-06-05 Steve Ellcey <sje@cup.hp.com>
2900 PR target/27051
2901 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2903 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
2904 Victor Kaplansky <victork@il.ibm.com>
2906 PR tree-optimization/26360
2907 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
2908 stmts.
2910 2006-06-04 Roger Sayle <roger@eyesopen.com>
2911 Andrew Pinski <pinskia@physics.uc.edu>
2913 PR middle-end/27382
2914 * c-common.c (c_common_truthvalue_conversion): Explicitly check
2915 for LABEL_DECL before calling DECL_WEAK.
2917 PR c/27150
2918 * c-typeck.c (build_binary_op): Likewise, explicitly check for
2919 LABEL_DECL and PARM_DECL.
2921 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
2923 PR c/25161
2924 PR c/27020
2925 * c-decl.c (grokdeclarator): Disallow variably modified types at
2926 file scope. Avoid marking shared array type of constant size as
2927 VLA.
2929 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2931 PR c++/27601
2932 * c-common.c (fold_offsetof_1): Handle static members.
2934 2006-06-04 Eric Christopher <echristo@apple.com>
2936 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
2937 (debug_rli): Output value for remaining_in_alignment.
2938 (update_alignment_for_field): Unconditionalize
2939 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
2940 extra alignment code.
2941 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
2942 ms_bitfield_layout_p code. Rewrite handling of structure fields.
2943 * tree.h (record_layout_info_s): Remove prev_packed.
2944 * doc/extend.texi (ms_struct): Add documentation of format.
2946 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
2948 * tree.h: Declare folding_initializer.
2949 * builtins.c (fold_builtin_constant_p): Give definite answer
2950 if folding inside an initializer.
2951 * fold-const.c: Define folding_initializer.
2952 (START_FOLD_INIT): Save and then set folding_initializer.
2953 (END_FOLD_INIT): Restore folding_initializer.
2955 2006-06-04 Richard Guenther <rguenther@suse.de>
2957 PR tree-optimization/27039
2958 * fold-const.c (fold_comparison): Handle pointer comparison
2959 again for all comparison codes. Compare offsets in signed
2960 size type.
2961 (fold_binary): Move code from here.
2963 2006-06-03 Roger Sayle <roger@eyesopen.com>
2965 PR target/26223
2966 * config/i386/i386.c (construct_container): Split static issued_error
2967 flag into issued_sse_arg_error, issued_sse_ret_error and
2968 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
2969 requires the use of x87 registers and the user explicitly
2970 specified the -mno-80387 command line option.
2972 2006-06-02 Geoffrey Keating <geoffk@apple.com>
2974 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
2975 HAVE_DECL_SIGALTSTACK.
2976 (MC_FLD): New.
2977 (segv_handler): Use MC_FLD.
2978 * configure.ac: Check for a sigaltstack declaration.
2979 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
2980 * configure: Regenerate.
2981 * config.in: Regenerate.
2983 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
2985 PR other/27850
2986 * Makefile.in (stmp-fixinc): Fix typo.
2988 2006-06-02 Roger Sayle <roger@eyesopen.com>
2990 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
2991 are type correct. Clean-up.
2992 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
2993 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2995 2006-06-01 DJ Delorie <dj@redhat.com>
2997 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
2998 shift, as we've disabled the "switch" insn that needs it.
3000 2006-06-01 Per Bothner <bothner@bothner.com>
3002 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3003 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3004 * c-ppoutput.c (cb_define): Don't increment line 0.
3006 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3008 * doc/invoke.texi: Add cpu_type power6.
3009 * config.gcc: Add cpu_type power6.
3010 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3011 to power5+ with Altivec.
3012 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3013 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3015 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3017 * config/avr/avr.h (SET_ASM_OP): Define.
3019 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3021 * config/bfin/bfin.c: Fix comment typos.
3023 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3025 PR 25453
3026 * doc/install.texi: Document --enable-bootstrap and
3027 --disable-bootstrap.
3029 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3031 * doc/install.texi: Document that InfoZIP can replace jar.
3033 2006-05-31 Roger Sayle <roger@eyesopen.com>
3035 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3036 isn't available, directly generate the simpler x87 patterns without
3037 the (use (const_int 0)).
3038 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3039 implementation isn't available.
3040 (*negdf2_1): Likewise.
3041 (*negxf2_1): XF mode negation is always done using the x87.
3042 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3044 2006-05-31 Roger Sayle <roger@eyesopen.com>
3046 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3047 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3048 cabs(z).
3049 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3051 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3053 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3054 * config/bfin/bfin.c (basic-block.h): Include.
3055 (struct machine_function): New.
3056 (bfin_init_machine_status): New.
3057 (override_options): Initialize init_machine_status.
3058 (bfin_hardware_loop): New.
3059 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3060 (DEF_VEC_P (loop_info)): New.
3061 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3062 (struct loop_info): New.
3063 (loop_info): New typedef.
3064 (struct loop_work): New.
3065 (loop_work): New typedef.
3066 (DEF_VEC_O (loop_work)): New.
3067 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3068 (bfin_dump_loops): New.
3069 (bfin_bb_in_loop): New.
3070 (bfin_scan_loop): New.
3071 (bfin_optimize_loop): New.
3072 (bfin_reorg_loops): New.
3073 (bfin_reorg): Use bfin_reorg_loops.
3074 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3075 loop registers.
3076 (I_REGNO_P): Simplify.
3077 (DP_REGNO_P, DPREG_P): New macros.
3078 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3079 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3080 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3081 Add LT_REGS, LC_REGS, LB_REGS.
3082 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3083 'l' for LB_REGS.
3084 (REGNO_REG_CLASS): Deal with loop registers.
3085 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3086 letters.
3087 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3088 New constants for loop registers.
3089 (UNSPEC_LSETUP_END): New.
3090 (seq_insns): New define_attr. Set it for appropriate insns.
3091 (movsi_insn): Add alternatives for move from/to
3092 loop count registers.
3093 (doloop_end): New define_expand.
3094 (loop_end): New define_insn.
3095 (define_split for bad doloop_end): New.
3096 (lsetup_with_autoinit): New define_insn.
3097 (lsetup_without_autoinit): New define_insn.
3098 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3099 * config/bfin/predicates.md (lc_register_operand): New.
3100 (lt_register_operand): New.
3101 (lb_register_operand): New.
3102 (nondp_register_operand): New.
3103 (nondp_reg_or_memory_operand): New.
3104 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3106 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3108 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3109 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3111 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3113 * Makefile.in (CATALOGS): Add po/ prefix.
3114 * configure: Regenerated.
3116 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3118 PR target/27829
3119 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3120 a shift operand before calling shift_op. Avoid redundant call of
3121 shift_op.
3123 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3124 DJ Delorie <dj@redhat.com>
3126 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3127 we're inserting is a singlt-bit constant.
3129 2006-05-30 Roger Sayle <roger@eyesopen.com>
3131 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3132 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3134 2006-05-30 Roger Sayle <roger@eyesopen.com>
3136 PR tree-optimization/23452
3137 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3138 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3139 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3140 complex values and with -ffast-math for FP complex values.
3142 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3144 * c-common.h: Remove the prototype for yyparse.
3145 * rtl.h: Remove the prototype for init_loop.
3147 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3149 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3150 calling recog.
3152 2006-05-30 Roger Sayle <roger@eyesopen.com>
3154 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3155 and rotate cases.
3156 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3157 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3159 2006-05-30 Dirk Mueller <dmueller@suse.de>
3161 PR c/27273
3162 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3163 for CONSTANT_CLASS_P expresisons.
3165 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3167 PR c/27718
3168 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3170 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3172 PR tree-optimization/27779
3173 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3174 initial_condition instead of CHREC_LEFT.
3176 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3178 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3179 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3180 Make prototypes ISO C90.
3182 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3183 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3185 * see.c (see_analyze_one_def): Correct check.
3186 (see_get_extension_data): Check if extension is parallel.
3187 (see_get_extension_reg): Likewise.
3189 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3191 PR target/27790
3192 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3193 into register for (code == GTU).
3195 2006-05-29 Roger Sayle <roger@eyesopen.com>
3197 PR tree-optimization/24964
3198 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3199 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3200 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3201 abs(x)*abs(x) as x*x for scalar floating point modes.
3203 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3205 PR middle-end/27745
3206 * lambda-code.c (perfect_nestify): Don't copy statements
3207 in the inner loop: move them to the inner loop header.
3209 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3211 PR 26237
3212 * c-tree.texi: Document OpenMP directives and clauses.
3214 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3216 * varasm.c (globalize_decl): Fix indentation.
3218 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3220 PR 26242
3221 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3222 pass_fre, pass_store_ccp, pass_copy_prop,
3223 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3224 pass_return_slot, pass_object_size, pass_lim,
3225 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3226 pass_loop_prefetch and pass_stdarg.
3228 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3230 * config/bfin/bfin.opt (mfdpic): New option.
3231 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3232 (EXTRA_MULTILIB_PARTS): Likewise.
3233 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3234 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3235 multilib.
3236 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3237 (CRT_CALL_STATIC_FUNCTION): New.
3238 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3239 -shared.
3240 (CRT_CALL_STATIC_FUNCTION): New.
3241 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3242 FD-PIC moves.
3243 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3244 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3245 (initialize_trampoline): Changed to handle FD-PIC code generation.
3246 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3247 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3248 (override_options): Disallow -mid-shared-library -mfdpic combination.
3249 Can't do unaligned ops if FD-PIC.
3250 Turn off flag_pic if trying to generate non-id-shared-library
3251 non-fdpic code, since it's not supported.
3252 (bfin_assemble_integer): New function.
3253 (TARGET_ASM_INTEGER): Define.
3254 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3255 __BFIN_FDPIC__.
3256 * config/bfin/crtn.s: Restore them.
3257 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3258 if TARGET_FDPIC.
3259 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3260 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3261 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3262 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3263 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3264 call-used.
3265 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3266 FDPIC_REGS and FDPIC_FPTR_REGS.
3267 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3268 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3269 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3270 (load_funcdescsi): New pattern.
3271 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3272 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3273 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3275 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3277 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3278 loop.c.
3280 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3282 * tree-flow.h: Remove the prototype for add_type_alias.
3283 * tree-ssa-alias.c (add_type_alias): Remove.
3285 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3287 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3288 config/fr30/fr30.md, config/i386/i386-interix.h,
3289 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3290 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3291 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3292 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3293 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3294 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3295 Follow spelling conventions.
3296 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3297 Follow spelling conventions.
3299 2006-05-27 Richard Guenther <rguenther@suse.de>
3301 PR middle-end/27773
3302 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3303 to produce a constant of value 1 of generic type.
3305 2006-05-27 Dirk Mueller <dmueller@suse.de>
3307 * cgraphunit.c (decide_is_function_needed): Fix wrong
3308 PR reference.
3310 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3312 PR rtl-optimization/27661
3313 * reload.c (find_reloads): When reloading a VOIDmode constant
3314 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3315 use Pmode as mode of the reload register.
3317 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3319 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3320 is enabled at -O and above.
3322 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3324 PR target/27571
3325 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3326 table data.
3328 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3330 PR c++/20103
3331 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3332 for anonymous variables explicitly declared by front ends.
3334 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3336 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3337 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3338 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3339 ref-all pointers, run a finalization pass for them.
3340 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3341 (finalize_ref_all_pointers): New function.
3342 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3343 regular pointer type to a ref-all pointer type.
3344 (get_tmt_for): Return the special memory tag for ref-all pointers.
3346 2006-05-25 Richard Guenther <rguenther@suse.de>
3348 PR middle-end/27743
3349 * fold-const.c (fold_binary): Do not look at the stripped
3350 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3352 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3354 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3355 for LT and GT if the computed range is effectively empty.
3357 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3359 PR target/27627
3360 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3361 mips_quad_format formats instead of ieee_single_format,
3362 ieee_double_format and ieee_quad_format formats, respectively.
3364 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3366 PR tree-optimization/27639
3367 PR tree-optimization/26719
3368 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3369 call to scev_probably_wraps_p.
3370 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3371 used_in_pointer_arithmetic_p, convert_step): Removed.
3372 (nowrap_type_p): New function.
3373 (scev_probably_wraps_p): Rewritten.
3374 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3375 chrec_convert if chrec_convert_aggressive might have been used.
3376 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3377 scev_direction): New functions.
3378 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3379 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3380 instead of convert_step.
3381 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3382 (convert_step): Declaration removed.
3383 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3385 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3387 * df-core.c: Added to header comments.
3388 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3389 df_ur_bb_info, df_urec_bb_info): Added comments.
3390 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3391 urec, ri problems): Fixed header comments.
3392 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3393 code from df_rd_transfer_function.
3395 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3397 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3398 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3399 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3401 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3403 * expr.c (undefined_operand_subword_p): New.
3404 (emit_move_multi_word): Do not generate move from undefined bits
3405 of a paradoxical subreg.
3407 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3409 PR rtl-optimization/27736
3410 * combine.c (replaced_rhs_value): New variable.
3411 (combine_instructions): Set it.
3412 (distribute_notes): When distributing a note in replaced_rhs_insn,
3413 check whether the value was used in replaced_rhs_value.
3415 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3417 PR c++/26757
3418 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3419 add_referenced_var instead of add_referenced_tmp_var.
3420 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3421 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3422 add_referenced_var.
3423 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3424 tree_optimize_tail_calls_1): Use add_referenced_var.
3425 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3426 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3427 Use add_referenced_var.
3428 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3429 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3430 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3431 Use add_referenced_var.
3432 * tree-dfa.c (struct walk_state): Remove.
3433 (find_referenced_vars): Remove walk state and vars_found hash table.
3434 (make_rename_temp): Use add_referenced_var.
3435 (find_vars_r): Pass less parameters to add_referenced_var.
3436 (referenced_var_p): New. Is var in referenced_var hash table.
3437 (referenced_var_insert): Assert var isn't already in hash table.
3438 (add_referenced_var): Don't need walk_state parameter. Add var if it
3439 isn't already in the hash table.
3440 (add_referenced_tmp_var): Remove.
3441 (find_new_referenced_vars_1): Use add_referenced_var.
3442 * tree-ssa-pre.c (create_expression_by_pieces,
3443 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3444 Use add_referenced_var.
3445 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3446 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3447 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3448 add_referenced_var.
3449 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3450 vect_create_data_ref_ptr, vect_create_destination_var,
3451 vect_init_vector, vect_build_loop_niters,
3452 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3453 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3454 Use add_referenced_var.
3455 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3456 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3457 (add_referenced_var): Add prototype.
3458 * tree-ssa-structalias.c (get_constraint_for,
3459 intra_create_variable_infos): Use add_referenced_var.
3461 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3463 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3464 big-endian paradoxical subregs.
3465 * var-tracking.c (struct micro_operation_def): Document that,
3466 for modify micro operations, insn is the subsequent instruction.
3467 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3468 (var_reg_set, var_mem_set): ... new functions.
3469 (add_stores): Record subsequent insn.
3470 (compute_bb_dataflow): Use new functions for MO_USE.
3471 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3472 notes after the insn, and modify notes before the insn known
3473 to be the subsequent one.
3474 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3476 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3478 PR target/27696
3479 * config/i386/i386.c (ix86_expand_builtin): Use
3480 gen_sse3_monitor64 for TARGET_64BIT.
3482 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3484 PR rtl-optimization/26375
3485 PR rtl-optimization/26855
3486 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3487 to gen set.
3488 (df_ru_bb_local_compute): Reversed statements and removed bogus
3489 comment explaining why they should be in wrong order.
3490 (df_ru_dump, df_rd_dump): Enhanced debug info.
3491 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3492 debug info.
3493 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3494 reaching uses and fixed space problem.
3496 2006-05-23 Jan Hubicka <jh@suse.cz>
3498 * cgraphunit.c (decide_is_function_needed): Also nested functions
3499 and functions declared inline can be optimized out at -O0.
3501 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3503 * doc/install.texi (Configuration): Remove reference to CrossGCC
3504 FAQ which was gone.
3505 (Building): Ditto.
3507 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3509 PR target/27266
3510 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3511 ix86_compare_emitted is non-NULL.
3513 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3515 PR c++/27451
3516 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3517 clobbers.
3519 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3521 PR rtl-optimization/25514
3522 * combine.c (replaced_rhs_insn): New variable.
3523 (combine_instructions): Set replaced_rhs_insn when trying to replace
3524 a SET_SRC with a REG_EQUAL note.
3525 (distribute_notes): Use replaced_rhs_insn when determining the live
3526 range of a REG_DEAD register.
3528 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3529 Anatoly Sokolov <aesok@post.ru>
3531 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3532 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3533 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3534 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3535 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3536 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3537 at90usb647, at90usb1286 and at90usb1287 devices.
3538 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3539 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3541 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3543 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3545 2006-05-22 Richard Guenther <rguenther@suse.de>
3547 Revert
3548 2006-01-31 Richard Guenther <rguenther@suse.de>
3549 Paolo Bonzini <bonzini@gnu.org>
3551 * doc/install.texi (--disable-libgcc-math): Document.
3553 2006-05-22 Richard Guenther <rguenther@suse.de>
3555 Revert
3556 2006-01-31 Richard Guenther <rguenther@suse.de>
3558 * doc/invoke.texi (-msselibm): Document.
3559 * target.h (expand_library_builtin): New target hook.
3560 * builtins.c (expand_builtin): Use expand_library_builtin.
3561 (default_expand_library_builtin): New function.
3562 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3563 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3564 (link_gcc_math_spec): Declare.
3565 (static_specs): Add link_gcc_math_spec.
3566 * expr.h (default_expand_library_builtin): Declare.
3567 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3568 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3569 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3570 * config/i386/i386.opt (msselibm): New target option.
3571 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3572 (ix86_init_sse_abi_builtins): New function.
3573 (ix86_expand_library_builtin): Likewise.
3574 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3575 (override_options): Handle error conditions wrt -msselibm.
3576 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3577 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3578 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3579 builtins.
3581 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3583 PR c/27420
3584 * c-common.c (self_promoting_args_p): Skip erroneous args.
3586 PR c/26818
3587 * c-decl.c (finish_struct): Skip erroneous fields.
3589 2006-05-22 Nick Clifton <nickc@redhat.com>
3591 * config/cris/cris.opt (march): Remove VarExists attribute.
3592 (max-stackframe=): Likewise.
3594 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3596 * doc/rtl.texi: Fix a typo.
3597 * see.c: Fix comment typos.
3599 * tree-ssa-structalias.h (alias_info): Remove num_references.
3601 2006-05-21 Mike Stump <mrs@apple.com>
3603 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3604 (BAD2): Add.
3605 (darwin_pragma_options): Use BAD instead.
3606 (darwin_pragma_unused): Likewise.
3607 (darwin_pragma_ms_struct): Likewise.
3609 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3611 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3613 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3615 PR rtl-optimization/27671
3616 * simplify-rtx.c (simplify_relational_operation_1): Fix
3617 simplifications of (eq/ne (xor x y) y) and
3618 (eq/ne (xor x y) x).
3620 PR tree-optimization/26622.
3621 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3622 on arg1.
3624 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3626 * tree-cfg.c: Prune whitespace.
3627 (debug_tree_cfg): Point to correct header containing the
3628 TDF_* defines.
3630 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3632 PR middle-end/25776
3633 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3635 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3637 PR middle-end/25776
3638 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3639 or sorry count is non zero.
3641 2006-05-20 Andreas Schwab <schwab@suse.de>
3643 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3645 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3646 Kenneth Zadeck <zadeck@naturalbridge.com>
3648 PR rtl-optimization/26855
3650 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3651 multiword refs.
3652 (df_scan_alloc): Added code to properly handle multiword hard
3653 registers and add all_blocks parameter.
3654 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3655 code to properly handle multiword hard registers.
3656 (df_rescan_blocks): Added code to remove deleted blocks from
3657 bitmap.
3658 (df_ref_create_structure, df_ref_record): Added code to properly
3659 handle subregs.
3660 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3661 and set DF_REF_PARTIAL.
3662 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3663 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3664 (df_scan_add_problem): Added flags parameter.
3665 (df_ref_create_structure): Changed switching structure.
3666 (df_bb_refs_record): Fixed case where duplicate artificial refs
3667 were created. Changed location of flags.
3668 (df_record_entry_block_defs): Added code to make stack pointer
3669 live in entry block. Refined cases where frame pointer is needed.
3670 Changed location of flags.
3671 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3672 (df_set_state): Removed function.
3673 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3674 df_insn_create_insn_record, df_insn_refs_delete,
3675 df_ref_create_structure): Formatting changes.
3676 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3677 df_delete_basic_block): New function.
3678 (df_init): Changed location of flags.
3679 (df_add_problem): Added flags parameter and the way flags are
3680 processed.
3681 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3682 debug_df_chain): Improved debugging output.
3683 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3684 (df_refs_chain_dump): Removed df parameter.
3685 (df_iterative_dataflow): Added consistency check.
3686 (df_prune_to_subcfg): Made public.
3687 (df_analyze_problem): Added blocks_to_init parameter and made
3688 public.
3689 (df_ref_record, df_bb_refs_record, df_mark_reg,
3690 df_record_exit_block_uses): Whitespace changes.
3691 (df_dump): Whitespace changes.
3692 * df.h: Some reordering to remove forward references.
3693 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3694 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3695 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3696 (dataflow.flags): New field.
3697 (df.flag): Deleted field.
3698 (df_alloc_function): Added additional bitmap parameter.
3699 (df_dependent_problem_function): New type.
3700 (df_problem.changeable_flags): New field.
3701 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3702 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3703 (df_mw_hardreg): New struct.
3704 (DF_INSN_UID_MWS): New macro.
3705 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3706 parameter.
3707 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3708 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3709 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3710 (df_set_state): Removed function.
3711 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3712 * df-problems.c (df_chain_dump): Removed df parameter.
3713 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3714 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3715 parameter.
3716 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3717 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3718 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3719 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3720 DF_REF_MUST_CLOBBER cases.
3721 (df_ru_bb_local_compute_process_def,
3722 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3723 df_lr_bb_local_compute, df_ur_bb_local_compute,
3724 df_chain_create_bb): Made subreg aware.
3725 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3726 df_lr_bb_local_compute, df_lr_bb_local_compute,
3727 df_chain_create_bb): Cleanup to use proper macros.
3728 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3729 code to fixup bitvectors.
3730 (df_ri_alloc): Cleared lifetime.
3731 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3732 df_create_unused_note): New function.
3733 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3734 REG_DEAD and REG_UNUSED notes as well as register information.
3735 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3736 df_chains_dump): Fixed crash if problem was never run.
3737 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3738 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3739 df_ri_add_problem): Processes flags in uniform manner.
3740 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3741 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3742 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3743 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3744 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3745 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3746 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3747 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3748 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3749 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3750 * see.c (see_initialize_data): Ditto.
3751 * final.c (rest_of_clean_state) Added regstack_completed.
3752 * rtl.h (regstack_completed): Ditto.
3753 * reg-stack.c (regstack_completed): Ditto.
3755 2006-05-19 Mike Stump <mrs@apple.com>
3757 * c-tree.h (default_conversion): Remove.
3758 * c-common.h (default_conversion): Add.
3760 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3762 * tree-vrp.c (valid_value_p): New function.
3763 (adjust_range_with_scev): Fail if the value of bound is not
3764 simple.
3766 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3768 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3769 (mips_fallback_frame_state): Use syscall numbers to determine
3770 the appropriate li instruction for the current ABI. Only use
3771 __NR_sigreturn for o32.
3773 2006-05-19 Nicolas Setton <setton@adacore.com>
3775 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3776 * langhooks.c (lhd_dwarf_name): New function.
3777 * langhooks-def.h (lhd_dwarf_name): Declare.
3778 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3779 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3780 * ada/misc.c (gnat_dwarf_name): New function.
3781 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3783 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3785 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3786 libgcc2.h.
3787 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3788 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3789 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3790 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3791 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3792 determine the size of Wtype, etc.
3793 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3794 (swfloatfuncs): New variable.
3795 (dwfloatfuncs): Likewise.
3796 (lib2funcs): Remove floating-point conversion functions from
3797 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3798 the set of conversion routines needed. Allow entries to specify
3799 an object name, filename and word size. Update users accordingly.
3800 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3801 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3803 Revert:
3805 2006-02-08 Roger Sayle <roger@eyesopen.com>
3807 PR target/22209
3808 * config/fixtfdi.c: New libgcc source file.
3809 * config/fixunstfdi.c: New source file.
3810 * config/floatditf.c: New source file.
3811 * config/floatunditf.c: New souce file.
3812 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3813 files above instead of config/mips/_tilib.c.
3814 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3816 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3818 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3819 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3821 2006-05-18 Mike Stump <mrs@apple.com>
3823 Fix up vla, vm and [*] sematics.
3825 PR c/18740
3826 PR c/7948
3827 PR c/25802
3828 PR c/27673
3829 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3830 (c_vla_unspec_p): Add.
3831 (c_vla_type_p): Add.
3832 * c-decl.c (struct c_scope): Add had_vla_unspec.
3833 (build_array_declarator): Add support for [*].
3834 (grokdeclarator): Likewise.
3835 (grokparms): Likewise.
3836 (get_parm_info): Likewise.
3837 * c-objc-common.c (c_vla_unspec_p): Likewise.
3838 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
3839 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
3840 typeof when argument is a variably modified type not inside sizeof or alignof.
3841 (c_parser_direct_declarator_inner): Propagate errors.
3842 (c_parser_sizeof_expression): Add support for [*].
3843 (c_parser_parms_declarator): Initialize had_vla_unspec.
3844 (c_parser_parms_list_declarator): Likewise.
3845 * c-typeck.c (c_vla_type_p): Add.
3846 (composite_type): Add support for vla compositing.
3847 (comptypes_internal): Add support for vla compatibility.
3848 (c_expr_sizeof_expr): Evaluate vla arguments.
3849 * tree.c (variably_modified_type_p): Update comment for [*].
3851 2006-05-18 Michael Matz <matz@suse.de>
3853 PR target/27599
3854 * config.host: Make assignments to host_xmake_file cumulative.
3855 * config.host (*-darwin*): Test $host, not $target.
3857 2006-05-12 Stuart Hastings <stuart@apple.com>
3859 * config/i386/i386.opt (-mstackrealign): New flag.
3860 * config/i386/i386.c (force_align_arg_pointer): New attribute.
3861 (ix86_handle_cconv_attribute): Emit error when
3862 force_align_arg_pointer attribute collides with too many regparms.
3863 (ix86_function_regparm): Limit regparms when used with
3864 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
3865 Support stack-realigning prologue in non-main functions. Emit
3866 warning for nested functions under -mstackrealign, emit error for
3867 nested functions with force_align_arg_pointer attribute.
3868 * doc/extend.texi (force_align_arg_pointer): Document it.
3869 * doc/invoke.texi (-mstackrealign): Document it.
3871 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
3873 PR rtl-optimization/27477
3874 * combine.c (try_combine): Don't split a parallel consisting
3875 of two sets into two individual sets if both sets reference
3876 cc0.
3878 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
3880 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
3881 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
3883 * doc/options.texi (VarExists): Updated.
3885 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3887 * unwind-dw2.c: Add declarations for uw_update_context and
3888 uw_frame_state_for.
3889 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
3890 detected, advance frame state and context once to skip over stub.
3892 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3894 PR middle-end/20256
3895 PR middle-end/26435
3896 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
3897 Call rewrite_into_loop_closed_ssa only when something changed.
3898 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
3899 * lambda-code.c (can_convert_to_perfect_nest): Declared.
3900 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
3901 Test for perfect_nest_p here. Fix formating.
3902 (replace_uses_equiv_to_x_with_y): Fix formating.
3903 (stmt_uses_op): Removed.
3904 (can_convert_to_perfect_nest): Removed loopivs parameter.
3905 Complete the test by checking the scalar dependences.
3906 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
3907 Fix formating.
3909 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3911 PR bootstrap/22541
3912 From Dan Kegel <dank@kegel.com>:
3913 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
3915 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3917 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
3918 if the element type is variably modified without recursing.
3920 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
3922 PR middle-end/27332
3923 * tree-loop-linear.c (try_interchange_loops): Test for
3924 no data dependences.
3926 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
3928 PR tree-optimization/27548
3929 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
3930 range of ssa names that appear on abnormal edges.
3931 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
3932 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
3934 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
3936 PR middle-end/27620
3937 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
3939 2006-05-17 Jakub Jelinek <jakub@redhat.com>
3941 PR middle-end/27415
3942 * tree.h (OMP_PARALLEL_COMBINED): Define.
3943 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
3944 (new_omp_context): Add is_combined_parallel argument.
3945 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
3946 new_omp_context caller.
3947 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
3948 Adjust gimplify_scan_omp_clauses callers.
3949 (omp_is_private): Issue errors if iteration variable is firstprivate
3950 or reduction in the current context.
3951 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
3952 on combined parallel workshare constructs.
3954 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3956 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
3957 (gcc-options.o): New rule.
3959 * optc-gen.awk: Protect variables for gcc-options.o with
3960 #ifdef GCC_DRIVER/#endif.
3962 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
3964 Fix PR tree-optimization/27373
3965 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
3966 (forward_propagate_addr_expr): Update call.
3968 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3970 * doc/options.texi: Move the Negative option.
3972 2006-05-16 Richard Guenther <rguenther@suse.de>
3974 PR tree-optimization/22303
3975 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
3976 from STRING_CSTs.
3977 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
3978 ccp_fold did not simplify the statement.
3980 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3982 PR driver/26885
3983 * Makefile.in (GCC_OBJS): New.
3984 (OBJS-common): Add opts-common.o.
3985 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
3986 (cpp$(exeext)): Likewise.
3987 (gcc.o): Also depend on opts.h.
3988 (opts-common.o): New.
3990 * common.opt (gcoff): Add Negative(gdwarf-2).
3991 (gdwarf-2): Add Negative(gstabs).
3992 (gstabs): Add Negative(gstabs+).
3993 (gstabs+): Add Negative(gvms).
3994 (gvms): Add Negative(gxcoff).
3995 (gxcoff): Add Negative(gxcoff+).
3996 (gxcoff+): Add Negative(gcoff).
3997 * config/i386/i386.opt (m32): Add Negative(m64).
3998 (m64): Add Negative(m32).
4000 * doc/options.texi: Document the Negative option.
4002 * gcc.c: Include "opts.h".
4003 (main): Call prune_options after expandargv.
4005 * optc-gen.awk: Generate common declarations for all flag
4006 variables in options.c. Output the neg_index field.
4008 * opts.c (find_opt): Moved to ...
4009 * opts-common.c: Here. New file.
4011 * opts.h (cl_option): Add a neg_index field.
4012 (find_opt): New.
4013 (prune_options): Likewise.
4015 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4017 PR middle-end/27573
4018 * omp-low.c (expand_omp_parallel): Don't assert
4019 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4020 instead search for it.
4022 PR c/27499
4023 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4024 is signed.
4026 2006-05-16 Andreas Schwab <schwab@suse.de>
4028 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4029 defmac.
4031 2006-05-15 Roger Sayle <roger@eyesopen.com>
4033 PR target/26600
4034 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4035 integer constants other than zero are only legitimate on TARGET_64BIT.
4036 <CONST_VECTOR> Only zero vectors are legitimate.
4037 (ix86_cannot_force_const_mem): Integral and vector constants can
4038 always be put in the constant pool.
4040 2006-05-16 DJ Delorie <dj@redhat.com>
4042 * crtstuff.c (__dso_handle): Set section from
4043 TARGET_LBIGCC_SDATA_SECTION if defined.
4044 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4045 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4047 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4049 PR target/27599
4050 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4051 host_xmake_file.
4053 2006-05-16 Ben Elliston <bje@au.ibm.com>
4055 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4057 2006-05-15 Per Bothner <per@bothner.com>
4059 * tree.c: (last_annotated_node): Use source_locus typedef.
4060 This permits bootstrapping with --enable-mapped-location.
4062 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4064 PR tree-optimization/26830
4065 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4066 (info_for_ssa_name, current_info_for_ssa_name_age,
4067 blocks_to_update): New variables.
4068 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4069 (clear_ssa_name_info, initialize_flags_in_bb,
4070 mark_block_for_update): New functions.
4071 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4072 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4073 prepare_def_site_for): Use mark_block_for_update.
4074 (mark_def_interesting): Assert that the processed block is marked in
4075 blocks_to_update. Do not take blocks argument.
4076 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4077 argument.
4078 (rewrite_update_init_block, rewrite_update_stmt): Only process
4079 blocks with statements to rewrite.
4080 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4081 (update_ssa): Initialize and free blocks_to_update. Do not
4082 clear flags on statements. Do not use blocks bitmap.
4083 * tree.h (SSA_NAME_AUX): Removed.
4084 (struct tree_ssa_name): Removed aux field.
4085 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4087 2006-05-15 Richard Guenther <rguenther@suse.de>
4089 PR tree-optimization/27603
4090 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4091 Do computations in original type.
4093 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4095 * see.c: Code style changes such as redundant paranthesis,
4096 redundant intialization of local variables etc.
4097 (see_main): Declared now as static.
4098 * doc/invoke.texi: Update that -fsee is not enabled by
4099 default at -O3.
4101 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4103 * omp-low.c (check_omp_nesting_restrictions): New function.
4104 (scan_omp_1): Call it.
4106 PR middle-end/27416
4107 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4108 construct, return *VAR.
4110 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4112 PR rtl-optimization/27406
4113 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4114 edges.
4116 2006-05-14 Roger Sayle <roger@eyesopen.com>
4118 PR rtl-optimization/27538
4119 * combine.c (expand_compound_operation): Call gen_lowpart
4120 before calling simplify_shift_const.
4122 2006-05-14 Roger Sayle <roger@eyesopen.com>
4124 PR rtl-optimization/22563
4125 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4126 a fixed width bitfield, always force the intermediates into psuedos.
4128 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4130 PR 27501
4131 * mkconfig.sh: Use operator = instead of == for test.
4133 2006-05-13 Nick Clifton <nickc@redhat.com>
4135 * dwarf2out.c (dbx_reg_number): Check return value from
4136 LEAF_REG_REMAP and only use it if it is valid.
4137 (multiple_reg_loc_descriptor): Likewise.
4139 2006-05-13 Richard Guenther <rguenther@suse.de>
4141 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4142 host_xmake_file.
4144 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4146 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4147 information attached to non-INSNs such as NOTEs.
4148 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4150 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4152 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4153 On contraint.
4154 * config/s390/s390.md: Adjust comment describing On constraint.
4156 2006-05-11 Jan Hubicka <jh@suse.cz>
4158 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4159 to be output at -O0.
4161 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4163 PR middle-end/27384
4164 * fold-const.c (size_binop): Move sanity check for arguments to
4165 the beginning of the function.
4167 PR middle-end/27488
4168 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4169 expression.
4171 2006-05-11 Richard Guenther <rguenther@suse.de>
4173 PR middle-end/27529
4174 * fold-const.c (fold_unary): Handle intermediate conversion
4175 to a pointer type like intermediate conversion to an integer
4176 type in folding of (T1)(T2)var to var.
4177 Match the code to the comment in the final conversion for
4178 (T1)(T2)var to (T1)var regarding to type precision. Rather
4179 than disallow T1 being of pointer type, assert that both T1
4180 and var are of pointer type or not. Make sure not to fall
4181 over the frontends lazyness wrt array to pointer decay though.
4183 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4185 * arm.c (arm_struct_value_rtx): Delete.
4186 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4187 (arm_init_cumulative_args): Always initialize nregs to zero.
4189 2006-05-10 Richard Guenther <rguenther@suse.de>
4191 PR tree-optimization/27532
4192 * tree-object-size.c (plus_expr_object_size): Fix typo.
4194 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4196 PR target/24949
4197 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4198 ashrdi_const, ashrdi3): Use a scratch register.
4200 2006-05-10 Richard Guenther <rguenther@suse.de>
4202 PR tree-optimization/27302
4203 * fold-const.c (operand_equal_p): For two comparisons,
4204 try comparison of one comparison code swapped if that yields
4205 the same code.
4207 2006-05-10 Ben Elliston <bje@au.ibm.com>
4209 * tree-pretty-print.c (pretty_print_string): No need to handle
4210 '\0' as a special character.
4212 * tree.h: Include "hashtab.h".
4213 (iterative_hash_expr): Use hashval_t in its prototype.
4214 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4216 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4218 PR bootstrap/26872
4219 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4220 (hppa*64*-*-hpux11*): Ditto.
4221 (hppa[12]*-*-hpux11*): Ditto.
4223 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4225 PR target/26545
4226 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4228 2006-05-09 Michael Matz <matz@suse.de>
4230 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4231 host_extra_gcc_objs and host_xmake_file.
4232 (<*-*-linux*>): Don't overwrite host_xmake_file.
4233 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4234 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4235 (host_detect_local_cpu): Declare.
4236 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4237 * config/i386/i386.c (override_options): Handle -mtune=native
4238 as -mtune=generic.
4239 * config/i386/x-i386: New file.
4240 * config/i386/driver-i386.c: New file.
4241 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4242 cpu-type "native".
4244 2006-05-09 Dirk Mueller <dmueller@suse.de>
4245 Richard Guenther <rguenther@suse.de>
4247 PR middle-end/27498
4248 * fold-const.c (fold_read_from_constant_string): Relax check
4249 for matching types to matching modes.
4251 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4253 PR rtl-optimization/27335
4254 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4255 loops.
4257 2006-05-08 Chao-ying Fu <fu@mips.com>
4258 Richard Sandiford <richard@codesourcery.com>
4260 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4261 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4262 * config/mips/mips.md (UNSPEC_SCC): New constant.
4263 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4264 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4265 (mips_emit_compare): Use it.
4266 (mips_expand_vcondv2sf): New function.
4268 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4270 Fix PR tree-optimization/27093
4271 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4272 renaming when they become not-used_alone.
4274 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4276 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4277 relocation and relocation stubs.
4279 2006-05-08 Eric Christopher <echristo@apple.com>
4281 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4282 section for ppc.
4284 2006-05-08 Jan Hubicka <jh@suse.cz>
4286 PR middle-end/24561
4287 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4288 unused static functions are needed.
4290 2006-05-08 Roger Sayle <roger@eyesopen.com>
4292 PR target/27158
4293 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4294 of a reg_equiv_constant if the result is a legitimate constant.
4296 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4298 PR target/27277
4299 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4300 standard 80387 constants, raise the cost to prevent
4301 compress_float_constant() to generate load from memory.
4303 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4305 * config/arm/constraints.md (c): Fix a typo.
4307 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4308 typos.
4310 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4312 PR target/24879
4313 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4314 inline function.
4315 (_mm_mwait): Likewise.
4317 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4318 "mwait".
4319 (sse3_monitor): Make it 32bit only.
4320 (sse3_monitor64): New. 64bit monitor.
4322 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4324 PR target/27421
4325 * config/i386/i386.c (classify_argument): Skip fields with invalid
4326 types.
4328 2006-05-07 Richard Guenther <rguenther@suse.de>
4330 PR tree-optimization/27409
4331 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4332 Do not try to find zero-sized subvars.
4334 2006-05-07 Richard Guenther <rguenther@suse.de>
4336 PR tree-optimization/27136
4337 * tree-ssa-loop-niter.c (get_val_for): Correct function
4338 comment, assert requirements.
4339 (loop_niter_by_eval): Stop processing if the iterated
4340 value did not simplify.
4342 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4344 * opts.c (flag_see): remove its setting at -O3.
4346 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4348 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4349 * arm/constraints.md: New file.
4350 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4351 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4352 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4353 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4354 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4355 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4356 * arm.md: Include constraints.md.
4357 (thumb_movsi_insn): Use satisfies_constraint_J.
4358 (movhi, movqi): Use satisfies_constraint_I.
4360 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4362 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4363 for atmeg a645 device.
4365 2006-05-06 Richard Guenther <rguenther@suse.de>
4367 PR tree-optimization/27151
4368 * tree-vect-transform.c (vectorizable_condition): Punt on
4369 values that have a different type than the condition.
4371 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4373 PR/21391
4374 * c-parser.c (c_parser_cast_expression): Only insert casts into
4375 hash table if pointer.
4376 * function.c (used_types_insert_helper): Rename from
4377 used_types_insert.
4378 (used_types_insert): Call used_types_insert_helper.
4379 * function.h (used_types_insert): Accept only one argument.
4381 2006-05-05 David Edelsohn <edesohn@gnu.org>
4383 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4384 scratch with output modifier.
4386 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4388 PR target/26481
4389 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4390 with output modifier.
4392 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4394 PR target/26765
4395 * config/mips/mips.c (mips_symbolic_address_p): Return true
4396 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4397 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4399 2006-05-04 Richard Guenther <rguenther@suse.de>
4401 PR tree-optimization/14287
4402 PR tree-optimization/14844
4403 PR tree-optimization/19792
4404 PR tree-optimization/21608
4405 PR tree-optimization/27090
4406 * tree-ssa-pre.c (try_combine_conversion): New function.
4407 (compute_avail): After constructing the value-handle
4408 expression, use try_combine_conversion to combine NOP_EXPRs
4409 with previous value-handle expressions and use the result if it
4410 is available.
4412 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4414 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4416 2006-05-04 Jan Hubicka <jh@suse.cz>
4418 PR middle-end/25962
4419 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4421 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4423 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4424 that this only matches CONST_INTs. All users changed to VOIDmode
4425 operands.
4427 * config/bfin/bfin.c: Include "optabs.h".
4428 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4429 to do more work.
4430 (enum bfin_builtins): Add a number of fractional and vector builtins.
4431 (bfin_init_builtins): Likewise.
4432 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4433 (safe_vector_operand, bfin_expand_binop_builtin,
4434 bfin_expand_unop_builtin): New functions.
4435 (bfin_expand_builtin): Handle the new builtins.
4436 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4437 __ADSPBLACKFIN__.
4439 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4441 * see.c: New file.
4442 * Makefile.in (OBJS-common): Add see.o.
4443 (see.o): Add dependencies.
4444 * common.opt (fsee): New flag for the see optimization was added.
4445 * opts.c (flag_see): Initialized.
4446 * passes.c (init_optimization_passes, pass_see): New pass.
4447 * rtl.h (see_main): Declaration as extern.
4448 * timevar.def (TV_SEE): New.
4449 * tree-pass.h (pass_see): Declaration as extern.
4450 * invoke.texi (-fsee): Document.
4451 * recog.c (validate_simplify_insn): New function.
4452 * recog.h (validate_simplify_insn): Declaration as extern.
4453 * df-problems.c (df_chain_dump): Check for NULL.
4455 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4456 Daniel Berlin <dberlin@dberlin.org>
4458 * cfgrtl.c (insert_insn_bb_end_new): New function.
4459 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4461 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4463 * df.h (struct web_entry): Moved from web.c.
4464 (union_defs): Declaration as extern.
4465 (unionfind_root): Likewise.
4466 (unionfind_union): Likewise.
4467 * web.c (struct web_entry): Moved to df.h.
4468 (unionfind_root): Remove static declaration.
4469 (unionfind_union): Likewise.
4470 (union_defs): Likewise and generalize to use callback function.
4471 (web_main): Update arguments for union_defs function call.
4473 2006-05-04 Richard Guenther <rguenther@suse.de>
4475 PR tree-optimization/26447
4476 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4477 produce SSA_NAME copies before the store stmt to avoid
4478 breaking exception handling.
4480 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4482 PR middle-end/27388
4483 * gimplify.c (omp_is_private): If var is shared in some outer context,
4484 return false instead of true. Stop searching on parallel context
4485 boundary.
4487 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4489 PR java/8260
4490 * coverage.c: Use get_gcov_unsigned_t() instead of
4491 unsigned_type_node all over.
4493 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4495 PR tree-optimization/27381
4496 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4497 maintain the same immediate_use links.
4498 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4499 node rather than segfaulting.
4501 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4503 PR fortran/27395
4504 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4505 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4506 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4508 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4510 Fix PR tree-optimization/26626
4511 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4512 always.
4513 * tree-ssa-operands.c (access_can_touch_variable): Allow
4514 typecasting through union pointers.
4516 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4518 PR c++/26943
4519 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4520 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4521 to find if var will be a global variable even in the nested context.
4522 (omp_copy_decl): Only check for global variable at the end, it might
4523 be overridden in outer contexts.
4524 (scan_sharing_clauses): For global variables don't create a field.
4525 (lower_rec_input_clauses): Do nothing for global shared variables.
4526 Emit a barrier at the end of ILIST if there were any decls in both
4527 firstprivate and lastprivate clauses.
4528 (lower_send_clauses): Do nothing for global variables except for
4529 COPYIN.
4531 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4533 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4534 of the correct signedness is returned.
4536 2006-05-02 Jeff Law <law@redhat.com>
4538 PR tree-optimization/27364
4539 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4540 multiply expressions.
4542 2006-05-02 Tom Tromey <tromey@redhat.com>
4544 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4546 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4548 PR target/27387
4549 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4550 -mthumb -fPIC are used.
4552 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4553 Joshua Kinard <kumba@gentoo.org>
4555 PR target/25871
4556 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4557 with 64-bit pointers.
4559 2006-05-02 Paul Brook <paul@codesourcery.com>
4561 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4562 and pool overlap.
4563 (create_fix_barrier): Check that a suitable barrier location is
4564 found.
4565 (arm_reorg): Include ftmp->address in allowable range of addresses.
4567 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4569 PR ada/27366
4570 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4571 on Cygwin.
4573 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4575 PR middle-end/27337
4576 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4577 around RESULT_DECL for result passed by reference.
4578 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4579 * omp-low.c (use_pointer_for_field): Don't look at
4580 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4581 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4582 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4583 time or var for passing by reference for
4584 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4585 TREE_ADDRESSABLE variables when passing by reference.
4587 * omp-low.c (dump_omp_region): Fix output formatting.
4589 PR middle-end/27328
4590 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4591 (expand_omp_parallel): Likewise.
4592 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4594 PR middle-end/27325
4595 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4596 on statement list containing also constructors and destructors.
4597 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4599 PR middle-end/27310
4600 * except.c (duplicate_eh_regions): Fix clearing of
4601 cfun->eh->region_array entries.
4603 2006-05-01 DJ Delorie <dj@redhat.com>
4605 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4606 build!=host.
4607 (gcc_cv_objdump): Likewise.
4608 * configure: Regenerated.
4610 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4612 PR target/27374
4613 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4614 templates for case 3 and 4.
4616 2006-05-01 DJ Delorie <dj@redhat.com>
4618 * vec.c: Include bconfig.h when appropriate.
4619 * Makefile.in (build/vec.o): Adjust dependencies.
4620 * mkconfig.sh: Make sure config.h isn't used for build machine
4621 compiles.
4623 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4625 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4626 variables.
4627 (mark_phi_for_rewrite): New function.
4628 (insert_phi_nodes_for, mark_use_interesting): Call
4629 mark_phi_for_rewrite.
4630 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4631 (update_ssa): Initialize and free phis_to_rewrite.
4633 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4635 PR rtl-optimization/27291
4636 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4637 folded to a constant.
4639 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4641 PR tree-optimization/27283
4642 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4643 not whole # of iteration descriptions.
4644 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4645 uses abnormal ssa name.
4646 (niter_for_single_dom_exit): Ditto.
4647 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4648 return just the number of iterations.
4650 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4652 PR tree-optimization/27144
4653 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4654 (record_estimate): Only record constant upper bound.
4655 (infer_loop_bounds_from_undefined): Call
4656 compute_estimated_nb_iterations just once.
4657 (proved_non_wrapping_p): Renamed to ...
4658 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4659 (convert_step_widening, scev_probably_wraps_p): Call
4660 n_of_executions_at_most instead of proved_non_wrapping_p.
4661 (substitute_in_loop_info): Do not replace values in bounds.
4662 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4663 comments.
4665 2006-05-01 Richard Henderson <rth@redhat.com>
4667 PR c/27358
4668 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4669 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4670 CPP_PRAGMA.
4672 2006-05-01 Roger Sayle <roger@eyesopen.com>
4674 * c-typeck.c (parser_build_binary_op): Don't call the function
4675 unsigned_conversion_warning to spot operand/result type overflow.
4676 (build_binary_op): Instead, call convert_and_check instead of
4677 convert to report the problem when the operands are promoted.
4678 * c-common.c (unsigned_conversion_warning): Make static.
4679 * c-common.h (unsigned_conversion_warning): Delete prototype.
4681 2006-05-01 Richard Guenther <rguenther@suse.de>
4683 PR tree-optimization/26726
4684 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4685 problem ...
4686 (find_interesting_uses_address): ... we work around here
4687 by folding INDIRECT_REFs in the substituted base.
4689 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4691 * omp-low.c (dump_omp_region): Add newlines.
4693 2006-04-30 Roger Sayle <roger@eyesopen.com>
4695 * common.opt (Woverflow): New command line option.
4696 * c-common.c (constant_expression_warning): Check warn_overflow.
4697 (overflow_waring): Pass OPT_Woverflow to warning.
4698 (unsigned_conversion_warning): Likewise.
4699 (convert_and_check): Likewise.
4700 * doc/invoke.texi: Document new command line option.
4702 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4704 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4705 TARGET_NO_FP_IN_TOC for section anchors.
4706 (optimization_options): Enable section anchors for all
4707 non-"Objective" languages.
4709 2006-04-28 Eric Christopher <echristo@apple.com>
4711 * config/darwin-c.c (darwin_ms_struct): Move this
4712 (darwin_set_default_type_attributes): and this...
4713 * config/darwin.c: ... here.
4714 * config/darwin.h (darwin_ms_struct): Declare.
4716 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4718 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4720 2006-04-28 Roger Sayle <roger@eyesopen.com>
4722 PR c/25309
4723 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4724 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4725 an unsigned HOST_WIDE_INT.
4726 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4727 array index.
4728 (really_start_incremental_init): No need to call convert because
4729 bitsize_zero_node is already of type bitsizetype.
4730 (push_init_level): Extract the value of constructor_index as an
4731 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4732 (process_init_element): Likewise.
4734 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4736 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4737 value before passing to make_relative_prefix.
4739 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4741 PR middle-end/27260
4742 * builtins.c (expand_builtin_memset): Expand val in original mode.
4744 2006-04-27 Eric Christopher <echristo@apple.com>
4746 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4747 with #ifndef/#endif.
4748 * config/darwin-c.c (darwin_ms_struct): New.
4749 (darwin_pragma_ms_struct): Ditto.
4750 (darwin_set_default_type_attributes): Ditto.
4751 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4752 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4753 Register ms_struct pragma.
4754 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4755 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4756 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4757 darwin_set_default_type_attributes if TARGET_MACHO.
4759 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4761 PR tree-optimization/26854
4762 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4763 * doc/tree-ssa.texi: Update immuse iterator documentation.
4764 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4765 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4766 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4767 first_safe_imm_use, next_safe_imm_use): Remove.
4768 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4769 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4770 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4771 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4772 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4773 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4774 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4775 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4776 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4777 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4778 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4779 (perfect_nestify): Use new iterator.
4780 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4781 iterator.
4782 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4783 (next_imm_name): New field in struct immediate_use_iterator_d.
4784 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4785 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4786 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4787 * tree-cfg.c (replace_uses_by): Use new iterator.
4788 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4789 * tree-ssa-operands.c (correct_use_link): Remove.
4790 (finalize_ssa_use_ops): No longer call correct_use_link.
4792 2006-04-27 Stuart Hastings <stuart@apple.com>
4794 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4795 * config/t-darwin (crt3.o): Use it.
4796 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4797 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4798 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4799 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4800 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4801 support.
4803 2006-04-27 Roger Sayle <roger@eyesopen.com>
4805 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4806 size, force the intermediate into a new pseudo rather instead of
4807 performing both a bitwise AND and a bitwise IOR in memory.
4809 2006-04-27 Richard Guenther <rguenther@suse.de>
4811 PR rtl-optimization/26685
4812 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4813 this one "max-flow-memory-locations".
4815 2006-04-27 Richard Guenther <rguenther@suse.de>
4817 PR tree-optimization/25148
4818 * tree-vrp.c (compare_values): Remove code dealing with
4819 comparisons against type min/max value. Honour overflow
4820 and negative constants in code dealing with comparisons
4821 of plus and minus expressions.
4822 (value_inside_range): Use fold_binary with LE_EXPR and
4823 GE_EXPR rather than compare_values.
4825 2006-04-27 Dirk Mueller <dmueller@suse.de>
4827 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4828 prototype for SSE.
4830 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4832 * basic-block.h (safe_insert_insn_on_edge): Removed.
4833 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4835 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4836 Paolo Bonzini <bonzini@gnu.org>
4838 PR middle-end/27282
4839 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
4840 (simplify_and_const_int): Same.
4842 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
4844 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
4846 2006-04-26 Jakub Jelinek <jakub@redhat.com>
4848 PR c/26171
4849 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
4850 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
4851 cgraph_global_info_ready.
4853 PR middle-end/26913
4854 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
4856 PR c/25996
4857 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
4858 either decl or init is error_mark_node.
4860 PR middle-end/25989
4861 * tree-flow.h (struct omp_region): Add sched_kind.
4862 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
4863 instead of extracting omp for data.
4864 (expand_omp_for): Save extracted sched_kind.
4866 2006-04-25 Roger Sayle <roger@eyesopen.com>
4868 * expmed.c (store_bit_field): Also check whether the bitsize is
4869 valid for the machine's "insv" instruction before moving the
4870 target into a pseudo for use with the insv.
4871 * config/i386/predicates.md (const8_operand): New predicate.
4872 * config/i386/i386.md (extv, extzv, insv): Use the new
4873 const8_operand predicate where appropriate.
4875 2006-04-25 DJ Delorie <dj@redhat.com>
4877 * doc/install.texi (Specific): Clarify that this is not a list of
4878 supported hosts or targets.
4880 2006-04-25 Richard Sandiford <richard@codesourcery.com>
4882 PR rtl-optimization/26725
4883 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
4884 block's BB_DIRTY flag.
4886 2006-04-25 Geoffrey Keating <geoffk@apple.com>
4888 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
4889 are no branches.
4891 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
4892 to print an integer.
4894 2006-04-25 David Edelsohn <edelsohn@gnu.org>
4896 * varasm.c (align_variable): New function.
4897 (get_block_for_decl): Apply align_variable to DECL before
4898 calculating section information.
4899 (assemble_variable): Split out alignment computation.
4901 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
4903 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
4904 machines.
4906 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
4908 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
4909 MODE_PARTIAL_INT mode.
4910 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
4911 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
4912 for CONST_INTs.
4913 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
4914 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
4915 V2PDImode.
4916 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
4917 New predicates.
4918 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
4919 New constants.
4920 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
4921 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
4922 MACFLAG_IH): Likewise.
4923 (movstricthi_1): Renamed from "*movstricthi".
4924 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
4925 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
4926 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
4927 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
4928 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
4929 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
4930 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
4931 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
4932 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
4933 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
4934 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
4935 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
4936 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
4937 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
4938 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
4940 * doc/rtl.texi (ss_ashift): Improve wording.
4942 2006-04-24 Geoffrey Keating <geoffk@apple.com>
4944 * dwarf2out.c (verify_marks_clear): New.
4945 (prune_unused_types): Call verify_marks_clear initially, not
4946 prune_unmark_dies.
4948 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
4950 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
4951 * doc/rtl.texi: Document them.
4952 * simplify-rtx.c (simplify_unary_operation,
4953 simplify_binary_operation_1): Don't abort when we see them.
4955 2006-04-24 Mark Mitchell <mark@codesourcery.com>
4957 Revert:
4958 2006-04-23 Mark Mitchell <mark@codesourcery.com>
4959 * configure.ac: Completely disregard languages that are not
4960 enabled.
4961 * configure: Regenerated.
4963 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4964 Richard Guenther <rguenther@suse.de>
4966 PR tree-optimization/27236
4967 * tree-inline.c (copy_body_r): Make sure to copy
4968 TREE_THIS_VOLATILE flag.
4970 2006-04-24 Richard Guenther <rguenther@suse.de>
4972 PR middle-end/26869
4973 * tree-complex.c (update_parameter_components): Don't handle
4974 unused parameters which have no default def.
4976 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
4977 Richard Guenther <rguenther@suse.de>
4979 PR tree-optimization/27218
4980 * tree-inline.c (expand_call_inline): Strip useless type
4981 conversions for the return slot address.
4983 2006-04-24 Richard Guenther <rguenther@suse.de>
4985 * cfgloop.h (struct loops): Remove unused field array. Reorder
4986 state after num.
4987 (LOOP_PREFETCH): Remove.
4989 2006-04-24 Richard Guenther <rguenther@suse.de>
4991 PR tree-optimization/22525
4992 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
4993 variable, adjust types of generated expressions.
4995 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
4997 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
4998 (tree-vect-patterns.o): Likewise.
4999 (jump.o): Likewise.
5000 (cselib.o): Likewise.
5001 (loop-doloop.o): Likewise.
5002 (regclass.o): Likewise.
5003 (reload1.o): Likewise.
5004 (explow.o): Replace target.h with $(TARGET_H).
5005 (ipa-prop.o): Likewise.
5006 (ipa-cp.o): Likewise.
5007 (ipa-inline.o): Likewise.
5008 (reorg.o): Likewise.
5009 (reg-stack.o): Likewise.
5011 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5013 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5015 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5017 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5019 * configure.ac: Completely disregard languages that are not
5020 enabled.
5021 * configure: Regenerated.
5023 PR c++/26534
5024 * c-common.h (c_build_bitfield_integer_type): Declare.
5025 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5026 * c-common.c (c_build_bitfield_integer_type): ... here.
5028 2006-04-23 Roger Sayle <roger@eyesopen.com>
5030 PR target/21283
5031 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5032 a SImode SUBREG of a floating point register after no_new_pseudos.
5034 2006-04-23 Roger Sayle <roger@eyesopen.com>
5036 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5037 identify potentially eliminable registers to additionally catch
5038 VIRTUAL_INCOMING_ARGS_REGNUM.
5039 (addsi3): Update the conditions on when to use addsi_small_int.
5041 2006-04-23 Roger Sayle <roger@eyesopen.com>
5043 PR target/16641
5044 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5045 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5046 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5048 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5050 * fold-const.c (range_predecessor): Use operand_equal_p
5051 as the predicate for equality.
5052 (range_successor): Likewise.
5054 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5056 Revert:
5057 * config/soft-fp/op-common.h: Fix a typo.
5059 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5061 PR libmudflap/26864
5062 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5063 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5065 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5067 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5068 Fix comment typos.
5069 * doc/tm.texi: Fix a typo.
5071 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5073 * dwarf2out.c (struct die_struct): Document that die_sib makes
5074 a circular linked list.
5075 (FOR_EACH_CHILD): New.
5076 (reverse_die_lists): Delete.
5077 (reverse_all_dies): Delete.
5078 (add_dwarf_attr): Correct documentation.
5079 (remove_child_with_prev): New.
5080 (remove_child_TAG): Update for change to die_struct, use
5081 remove_child_with_prev.
5082 (add_child_die): Update for change to die_struct.
5083 (splice_child_die): Use remove_child_with_prev and add_child_die.
5084 (print_die): Use FOR_EACH_CHILD.
5085 (die_checksum): Likewise.
5086 (assign_symbol_names): Likewise.
5087 (output_location_lists): Likewise.
5088 (build_abbrev_table): Likewise.
5089 (calc_die_sizes): Likewise.
5090 (mark_dies): Likewise.
5091 (unmark_dies): Likewise.
5092 (unmark_all_dies): Likewise.
5093 (output_die): Likewise.
5094 (prune_unused_types_mark): Likewise.
5095 (prune_unused_types_walk): Likewise.
5096 (same_die_p): Update for change to die_struct.
5097 (break_out_includes): Likewise.
5098 (prune_unused_types_prune): Likewise.
5099 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5100 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5101 it's already clear.
5102 (dwarf2out_finish): Don't call reverse_all_dies.
5104 2006-04-21 Eric Christopher <echristo@apple.com>
5106 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5107 in comments and function names.
5109 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5111 PR c/25875
5112 * c-typeck.c (digest_init): Robustify.
5114 * c-typeck.c (pop_init_level): Simplify.
5116 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5118 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5120 2006-04-21 Paul Brook <paul@codesourcery.com>
5122 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5123 hardware floating point.
5125 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5127 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5128 NON_FLOAT_REGS.
5130 2006-04-21 Nick Clifton <nickc@redhat.com>
5132 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5133 OPT_EXTRA_PARTS.
5135 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5137 PR target/27230
5138 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5139 C++ lang type in traceback table for Objective-C++.
5141 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5143 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5145 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5147 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5149 PR mudflap/26789
5150 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5151 were errors. Remove check for erroneous objects.
5153 2006-04-20 Jeff Law <law@redhat.com>
5155 PR tree-optimization/26854
5156 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5157 checking for zero or one use.
5158 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5159 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5160 * tree-ssa-reassoc.c (negate_value): Similarly.
5161 (reassociate_bb): Similarly.
5163 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5165 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5166 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5167 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5169 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5171 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5172 fp regs if the last fp arg doesn't fit in regs.
5174 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5176 PR target/27182
5177 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5178 that the last insn has the REG_INC note.
5180 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5181 Nathan Sidwell <nathan@codesourcery.com>
5183 PR c/26774
5184 * stor-layout.c (update_alignment_for_field): Do not align
5185 ERROR_MARK nodes.
5186 (place_union_field): Place union field at the start of the union.
5187 (place_field): Move ERROR_MARK check later, and use the current
5188 allocation position to maintain monotonicity.
5190 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5192 * dominance.c: Include timevar.h.
5193 (calculate_dominance_info): Use TV_DOMINANCE.
5194 * timevar.def (TV_DOMINANCE): New timevar.
5195 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5197 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5199 PR rtl-optimization/14261
5200 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5201 move would be an INSV insn.
5202 (noce_process_if_block): Don't optimize if the destination is a
5203 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5205 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5207 * config/s390/s390.md: Add comments with the instructions emitted
5208 by an insn pattern if macros are used.
5210 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5212 PR rtl-optimization/26026
5213 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5214 is a known power of two shifted left a variable amount.
5216 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5218 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5219 to hash table twice when the debug_str section has SECTION_MERGE.
5221 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5223 * config/soft-fp: New directory. From glibc.
5224 * config/soft-fp/t-softfp: New.
5225 * config/soft-fp/README: New.
5226 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5227 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5228 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5229 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5230 * config.gcc: Use rs6000/t-fprules-fpbit or
5231 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5232 rs6000/t-fprules.
5233 * config/rs6000/sfp-machine.h: New. Based on glibc.
5234 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5235 New.
5236 * config/rs6000/t-fprules: Remove fp-bit rules.
5237 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5238 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5239 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5240 (softfp_wrap_start, softfp_wrap_end): New.
5242 2006-04-18 DJ Delorie <dj@redhat.com>
5244 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5246 2006-04-18 Devang Patel <dpatel@apple.com>
5248 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5250 2006-04-18 Nick Clifton <nickc@redhat.com>
5252 * config/sh/t-symbian: Add rule to build sh-c.o
5253 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5254 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5255 (sh_symbian_encode_section_info): Likewise.
5257 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5259 * builtins.c (expand_builtin_strcmp): Cover label definition of
5260 do_libcall with HAVE_cmpstrnsi.
5262 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5264 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5265 instead of VARRAY.
5266 * function.h (temp_slot_p): New.
5267 (function): Change the type of x_used_temp_slots to
5268 VEC(temp_slot_p,gc) *.
5270 2006-04-18 Nick Clifton <nickc@redhat.com>
5272 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5273 flag_strength_reduce.
5275 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5277 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5279 PR target/27117
5281 Partial revert of revision 112637
5282 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5283 Dale Johannesen <dalej@apple.com>
5285 PR target/19653
5286 * regclass.c (struct reg_pref): Update documentation.
5287 (regclass): Set prefclass to NO_REGS if memory is the best option.
5288 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5290 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5292 PR tree-optimization/26821
5293 * tree-ssa-math-opts.c (get_constant_one): New.
5294 (insert_reciprocals): Use it.
5296 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5298 * dwarf2out.c (free_AT): Delete.
5299 (remove_AT): Update string ref counts.
5300 (remove_child_TAG): Don't call free_die.
5301 (free_die): Delete.
5302 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5303 or DW_TAG_GNU_EINCL.
5304 (prune_unused_types_walk_attribs): Reset string refcounts.
5305 (prune_unused_types_update_strings): New.
5306 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5307 call free_die. Do call prune_unused_types_update_strings.
5308 (prune_unused_types): Empty debug_str_hash.
5310 2006-04-17 Roger Sayle <roger@eyesopen.com>
5312 * expr.c (expand_assignment): Optimize away no-op moves where the
5313 source and destination are equal and have no side-effects.
5315 2006-04-17 Richard Guenther <rguenther@suse.de>
5317 PR target/26826
5318 * reload.c (push_reload): Guard calls to get_secondary_mem
5319 for memory subregs.
5321 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5323 * alias.c (reg_base_value, old_reg_base_value): Change the
5324 type to VEC(rtx,gc) *.
5325 (REG_BASE_VALUE, find_base_value, record_set,
5326 init_alias_analysis): Use VEC instead of VARRAY.
5328 * alias.c (alias_sets): Change the type to
5329 VEC(alias_set_entry,gc) *.
5330 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5331 VEC instead of VARRAY.
5332 (last_alias_set): Remove.
5334 * cgraph.h (cgraph_edge_p): New.
5335 Update the prototype of cgraph_function_versioning.
5336 * cgraphunit.c (cgraph_copy_node_for_versioning,
5337 cgraph_function_versioning): Use VEC instead of VARRAY.
5338 * ipa-cp.c (ipcp_insert_stage): Likewise.
5340 2006-04-16 Roger Sayle <roger@eyesopen.com>
5342 PR target/26961
5343 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5344 "A op B" or "A op C", we may need to convert A to the type of B and C.
5346 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5348 * target.h (struct gcc_target): Add mode_rep_extended.
5349 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5350 (init_num_sign_bit_copies_in_rep): Initialize it using
5351 mode_rep_extended.
5352 (truncate_to_mode): Use it.
5353 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5354 * targhooks.h (default_mode_rep_extended): Declare it.
5355 * targhooks.c (default_mode_rep_extended): Define it.
5356 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5357 default_mode_rep_extended.
5358 (TARGET_INITIALIZER): Include it.
5359 * doc/tm.texi (Misc): Document it.
5360 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5361 (mips_truncated_to_mode): New function.
5363 2006-04-16 Roger Sayle <roger@eyesopen.com>
5365 PR middle-end/25474
5366 * expr.c (compress_float_constant): Copy the narrow constant into
5367 a new pseudo before extending it to its final width.
5369 2006-04-16 Roger Sayle <roger@eyesopen.com>
5370 Andrew Pinski <pinskia@gcc.gnu.org>
5371 Dale Johannesen <dalej@apple.com>
5373 PR target/24076
5374 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5375 special case code to implement V8HImode and V16QImode with SSE2.
5377 2006-04-15 Roger Sayle <roger@eyesopen.com>
5379 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5380 trees are constructed with a suitable tree type.
5382 2006-04-15 Roger Sayle <roger@eyesopen.com>
5384 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5385 (integer_onep): Likewise.
5386 (integer_all_onesp): Likewise.
5387 (integer_pow2p): Likewise.
5388 (integer_nonzerop): Likewise.
5389 (real_zerop): Likewise.
5390 (real_onep): Likewise.
5391 (real_twop): Likewise.
5392 (real_minus_onep): Likewise.
5393 (int_size_in_bytes): Likewise.
5394 (host_integerp): Likewise.
5396 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5398 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5399 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5400 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5402 * tree-ssa-structalias.h (alias_info): Remove num_references.
5404 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5406 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5407 (output_bvb patterns): Likewise.
5408 * pa.c (output_bb): Use 'bb' insn for long branch case.
5409 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5410 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5411 1. Correct length operand for alternatives 1 and 2.
5412 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5413 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5415 2006-04-14 Roger Sayle <roger@eyesopen.com>
5417 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5418 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5419 were accidentally reverted by r112959.
5421 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5423 PR middle-end/26823
5424 * except.h (eh_region_outermost): New prototype.
5425 * except.c (eh_region_outermost): New function.
5426 * tree-cfg.c (find_outermost_region_in_block): Use it.
5428 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5430 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5431 of VARRAY.
5432 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5433 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5434 (init_reload, reload): Use VEC instead of VARRAY.
5435 * reload.h: Update the prototype for
5436 reg_equiv_memory_loc_varray.
5438 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5439 Eric Botcazou <ebotcazou@libertysurf.fr>
5441 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5442 register save area.
5444 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5446 PR middle-end/27134
5447 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5448 to expand fallback builtin function call.
5450 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5452 PR middle-end/27095
5453 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5454 and emit libcall here in case the builtin fails.
5455 (expand_builtin_strcmp): Always emit the libcall here on failure.
5457 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5459 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5460 * flow.c (reg_n_info): Change the type to
5461 VEC(reg_info_p,heap) *.
5462 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5463 instead of VARRAY.
5464 * regs.h (reg_info_p): New.
5465 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5466 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5467 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5468 instead of VARRAY.
5470 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5472 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5473 defaulting to 100.
5474 * params.h (MAX_SCHED_READY_INSNS): New macro.
5475 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5476 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5477 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5478 the ready list for 1 cycle during the first scheduling pass.
5479 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5481 2006-04-13 Richard Henderson <rth@redhat.com>
5483 PR libgomp/26651
5484 * gimple-low.c (lower_omp_directive): Remove dead code.
5485 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5486 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5487 * omp-low.c (struct omp_region): Move to tree-flow.h.
5488 (root_omp_region): Export.
5489 (omp_regions, lookup_omp_region): Remove.
5490 (determine_parallel_type): Update for struct omp_region changes.
5491 (dump_omp_region): Dump regions with block numbers.
5492 (new_omp_region): Take type and block instead of stmt; malloc
5493 instead of ggc.
5494 (free_omp_region_1, free_omp_regions): New.
5495 (expand_parallel_call): Take entry_stmt as argument; update for
5496 changes to omp_region.
5497 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5498 (remove_exit_barriers): New.
5499 (expand_omp_parallel): Update for struct omp_region changes.
5500 (expand_omp_synch): Likewise.
5501 (expand_omp): Likewise.
5502 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5503 (expand_omp_for_static_chunk): Likewise.
5504 (expand_omp_for): Likewise.
5505 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5506 (expand_omp_sections): Similarly, with GOMP_sections_end.
5507 (expand_omp_single): New.
5508 (build_omp_regions_1): Update for OMP_CONTINUE.
5509 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5510 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5511 OMP_SECTIONS_SECTIONS.
5512 (lower_omp_single_simple): Don't emit barrier here.
5513 (lower_omp_single_copy): Likewise.
5514 (lower_omp_single): Fix bindings, and lower to straightline now.
5515 (lower_omp_master, lower_omp_ordered): Likewise.
5516 (lower_omp_critical): Likewise.
5517 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5518 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5519 omp edges, free it afterward.
5520 (make_omp_sections_edges): Remove.
5521 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5522 (move_stmt_r): Handle OMP_CONTINUE.
5523 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5524 statement pointers to basic blocks. Add type member.
5525 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5526 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5527 * tree-inline.c (estimate_num_insns_1): Likewise.
5528 * tree-pretty-print.c (dump_generic_node): Likewise.
5529 * tree-ssa-operands.c (get_expr_operands): Likewise.
5530 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5531 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5532 (OMP_CONTINUE): New.
5533 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5534 (OMP_SECTIONS_SECTIONS): Remove.
5535 (OMP_SECTION_LAST): New.
5536 (OMP_RETURN_NOWAIT): New.
5538 2006-04-13 Roger Sayle <roger@eyesopen.com>
5540 * fold-const.c (native_encode_vector, native_interpret_real):
5541 Correct obvious mistakes in the previous check-in.
5543 2006-04-13 Roger Sayle <roger@eyesopen.com>
5545 * fold-const.c (native_encode_expr): New function to encode
5546 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5547 or VECTOR_CST into a specified buffer.
5548 (native_encode_int): New function.
5549 (native_encode_real): New function.
5550 (native_encode_complex): New function.
5551 (native_encode_vector): New function.
5552 (native_interpret_expr): Inverse of native_encode_expr to convert
5553 a target representation into an INTEGER_CST, REAL_CST etc...
5554 (native_interpret_int): New function.
5555 (native_interpret_real): New function.
5556 (native_interpret_complex): New function.
5557 (native_interpret_vector): New function.
5558 (fold_view_convert_expr): New function to constant fold/evaluate
5559 a VIEW_CONVERT_EXPR of a suitable constant expression.
5560 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5561 Change call of build1 to fold_build1 when constructing a
5562 VIEW_CONVERT_EXPR.
5564 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5565 Ulrich Weigand <uweigand@de.ibm.com>
5567 PR target/27006
5568 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5569 to be even.
5571 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5573 PR target/26459
5574 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5575 optimize to lo_sum for DFmode if !TARGET_FPRS.
5577 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5579 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5580 delete_alias_info, compute_flow_sensitive_aliasing,
5581 group_aliases): Use VEC instead of VARRAY.
5582 * tree-ssa-structalias.c (update_alias_info): Likewise.
5583 * tree-ssa-structalias.h (alias_info): Change the type of
5584 processed_ptrs to VEC(tree,heap) *.
5586 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5588 PR target/27060
5589 * config/sh/lib1funcs.h: New file, broken out of:
5590 * config/sh/lib1funcs.asm.
5591 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5592 New macros.
5593 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5594 * config/sh/lib1funcs-Os-4-200.asm: New file.
5595 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5596 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5597 (EXTRA_MULTILIB_PARTS): Include it.
5598 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5599 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5600 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5601 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5602 TARGET_SH2.
5604 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5606 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5607 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5608 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5609 VARRAY.
5610 * tree-ssa-live.h: Include vecprim.h.
5611 (tree_partition_associator_d): Change the type of
5612 first_partition to VEC(int,heap) *.
5613 (tpa_first_partition): Use VEC instead of VARRAY.
5615 * Makefile.in (GTFILES): Move functions.h after tree.h.
5616 * function.c (reset_block_changes, record_block_change,
5617 check_block_change, free_block_changes): Use VEC instead of
5618 VARRAY.
5619 * function.h (function): Change the type of
5620 ib_boundaries_block to VEC(tree,gc) *.
5621 * tree-inline.c (copy_cfg_body): Initialize
5622 ib_boundaries_block to NULL instead of (varray_type) 0.
5624 2006-04-12 Roger Sayle <roger@eyesopen.com>
5626 * expr.c (emit_group_store): Correct operand order in call to
5627 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5628 a SUBREG_BYTE of zero.
5630 2006-04-12 Richard Guenther <rguenther@suse.de>
5632 * profile.c (compute_branch_probabilities): Remove code
5633 encapsulated in !ir_type (), which are remanents of the
5634 removed RTL profiling code.
5635 * rtl-profile.c: Remove.
5637 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5639 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5640 magic NULL_RTX comment.
5641 (function_arg): Store entire fp arg to mem if any part should go
5642 on stack.
5643 (rs6000_arg_partial_bytes): Adjust for above change.
5645 2006-04-11 Roger Sayle <roger@eyesopen.com>
5647 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5648 if it hasn't been initialized by dwarf2out_init.
5650 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5652 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5653 symbolic constants in branch patterns.
5655 2006-04-11 Roger Sayle <roger@eyesopen.com>
5657 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5659 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5661 PR rtl-optimization/27073
5662 * gcse.c (try_replace_reg): Revert last change. Continue to search
5663 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5664 on the former.
5666 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5668 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5669 aggregate types other than record and union types.
5670 (function_arg): Likewise.
5671 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5672 small arrays.
5673 (function_value): In 64-bit mode, return objects that require it
5674 in FP registers.
5676 2006-04-11 Roger Sayle <roger@eyesopen.com>
5678 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5680 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5682 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5684 2006-04-03 Jeff Law <law@redhat.com>
5686 PR/27087
5687 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5688 alias information too.
5690 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5692 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5694 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5696 PR/21391
5697 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5698 (premark_used_types_helper): New.
5699 (premark_used_types): New.
5700 (gen_subprogram_die): Call premark_used_types.
5701 (prune_unused_types_walk): Do not prune perennial dies.
5702 * function.c (used_types_insert): New.
5703 * function.h (struct function): Add used_types_hash field.
5704 (used_types_insert): Add prototype.
5705 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5706 * c-parser.c (c_parser_cast_expression): Save casted types in used
5707 types hash table.
5709 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5711 PR target/26459
5712 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5713 rs6000_explicit_options.float_gprs.
5715 2006-04-10 Roger Sayle <roger@eyesopen.com>
5717 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5718 from ix86_expand_vector_init_low_nonzero. Take an additional
5719 one_var argument indicating which element is non-zero. Support
5720 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5721 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5722 with one_var instead of ix86_expand_vector_init_low_nonzero.
5724 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5726 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5727 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5728 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5729 build/genextract.o): Depend on vecprim.h.
5730 * cfglayout.c, df-problems.c, function.c, genextract.c,
5731 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5732 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5733 vecprim.h.
5734 * vecprim.h: New.
5736 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5738 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5739 Declare VECs of this type.
5740 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5741 (remove_children): Delete.
5742 (add_dwarf_attr): Use VEC routines.
5743 (add_AT_flag): Update for changes to add_dwarf_attr.
5744 (add_AT_int): Likewise.
5745 (add_AT_unsigned): Likewise.
5746 (add_AT_long_long): Likewise.
5747 (add_AT_vec): Likewise.
5748 (add_AT_string): Likewise.
5749 (add_AT_die_ref): Likewise.
5750 (add_AT_fde_ref): Likewise.
5751 (add_AT_loc): Likewise.
5752 (add_AT_loc_list): Likewise.
5753 (add_AT_addr): Likewise.
5754 (add_AT_lbl_id): Likewise.
5755 (add_AT_lineptr): Likewise.
5756 (add_AT_macptr): Likewise.
5757 (add_AT_offset): Likewise.
5758 (add_AT_range_list): Likewise.
5759 (get_AT): Use VEC_iterate.
5760 (remove_AT): Use VEC_ordered_remove.
5761 (free_die): Fold remove_children into here; have it use VEC_iterate.
5762 (print_die): Use VEC_iterate on attrs.
5763 (reverse_die_lists): Don't reverse attr lists.
5764 (die_checksum): Use VEC_iterate on attrs.
5765 (same_die_p): Likewise.
5766 (output_location_lists): Likewise.
5767 (build_abbrev_table): Likewise.
5768 (size_of_die): Likewise.
5769 (unmark_all_dies): Likewise.
5770 (output_abbrev_section): Likewise.
5771 (output_die): Likewise.
5772 (prune_unused_types_walk_attribs): Likewise.
5774 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5776 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5778 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5780 PR debug/27057
5781 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5783 2006-04-09 Roger Sayle <roger@eyesopen.com>
5785 * expr.c (store_constructor): Don't bother clearing target if
5786 we're about to assign a vector to it using vec_init_optab.
5788 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5790 * tree-ssa-alias.c (lhs_may_store_to): New function.
5791 (recalculate_used_alone): Handle LHS of calls.
5793 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5795 PR target/27034
5796 PR target/26508
5797 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5798 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5799 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5800 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5801 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5802 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5803 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5804 stubs. Add ".align 8" directives before all ".dword" directives.
5805 (GTHREAD_USE_WEAK): Revise comment.
5806 (TARGET_ATTRIBUTE_WEAK): Define.
5807 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5808 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5809 * stublib.c: New file.
5811 PR target/26743
5812 PR target/11254
5813 PR target/10274
5814 * pa.md (cbranch patterns): Revise arguments used in calls to
5815 output_cbranch, output_bb and output_bvd. Add long branch length
5816 attributes.
5817 (fbranch patterns): Handle long branches.
5818 (jump): Revise length check. Revise arguments for output_lbranch call.
5819 Add long branch length attributes.
5820 (decrement_and_branch_until_zero): Add long branch length attributes.
5821 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5822 Likewise. Revise arguments for output_parallel_addb and
5823 output_parallel_movb calls.
5824 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5825 output_parallel_movb and output_parallel_addb): Update prototypes.
5826 * pa.c (output_cbranch): Revise arguments. Correct handling of
5827 nullification in long branches.
5828 (output_lbranch): Add new argument to control extraction of delay
5829 instruction.
5830 (output_bb): Handle long branches.
5831 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5832 output_parallel_addb): Likewise.
5834 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5836 PR rtl-optimization/27073
5837 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
5838 not REG_EQUIVs.
5840 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
5842 * tree.h (tree_memory_tag): Add old_used_alone.
5843 (SMT_OLD_USED_ALONE): New macro.
5844 * tree-ssa-alias.c (recalculate_used_alone): Stop
5845 marking things for renaming unnecessarily.
5847 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
5849 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
5850 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
5851 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
5852 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
5853 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
5854 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
5855 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
5856 spelling convensions.
5857 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
5858 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
5859 typos. Follow spelling conventions.
5861 2006-04-07 DJ Delorie <dj@redhat.com>
5863 * config/m32c/m32c.c (m32c_function_arg): Structures are always
5864 passed on the stack.
5865 (m32c_init_cumulative_args): When a function returns a structure,
5866 always pass the pointer to that return area on the stack.
5867 (m32c_function_arg_advance): Don't increment the parameter number
5868 if we're processing the returned structure pointer.
5869 (pushm_info): Reverse order of registers.
5871 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
5873 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
5874 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5875 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
5876 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
5877 build_int_cst_type.
5878 * tree-chrec.c (chrec_fold_multiply_poly_poly,
5879 chrec_fold_multiply): Same.
5880 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
5881 force_expr_to_var_cost): Same.
5882 * tree-mudflap.c (mf_xform_derefs_1): Same.
5883 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
5885 2006-04-07 David Edelsohn <edelsohn@gnu.org>
5887 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
5888 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
5889 insn.
5891 2006-04-07 Jan Hubicka <jh@suse.cz>
5893 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
5895 2006-04-07 Richard Guenther <rguenther@suse.de>
5897 PR tree-optimization/26135
5898 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
5899 loads for store copy-prop.
5900 (copy_prop_visit_stmt): Likewise.
5902 2006-04-05 Robert Millan <robertmh@gnu.org>
5904 * config/i386/linux.h: Add a comment to mark macros that are
5905 being overriden in config/k*bsd-gnu.h.
5906 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
5907 DYNAMIC_LINKER.
5908 * config/knetbsd-gnu.h: Ditto.
5910 2006-04-06 Jan Hubicka <jh@suse.cz>
5912 PR profile/20815
5913 PR profile/26399
5914 * coverage.c (coverage_checksum_string): Reorganize loop to not read
5915 after buffer.
5917 2006-04-06 Mike Stump <mrs@apple.com>
5919 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
5920 for HAVE_nonlocal_goto to be consistent.
5921 (expand_builtin_nonlocal_goto): Likewise.
5922 (expand_builtin_strcmp): Use #ifdef instead of #if
5923 for HAVE_cmpstrnsi to be consistent.
5925 2006-04-05 DJ Delorie <dj@redhat.com>
5927 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
5928 vs m32c.
5930 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
5932 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
5933 got-relative addressing for anything but SImode.
5935 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
5936 even if the calling function doesn't modify them.
5938 2006-04-05 Richard Guenther <rguenther@suse.de>
5940 PR tree-optimization/26919
5941 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
5942 to cgraph_estimate_size_after_inlining.
5944 2006-04-05 Alan Modra <amodra@bigpond.net.au>
5946 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
5948 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
5950 PR tree-optimization/26996
5951 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
5952 VECTOR_TYPE variables.
5954 2006-04-05 Richard Guenther <rguenther@suse.de>
5956 PR tree-optimization/26763
5957 * fold-const.c (fold_comparison): Move folding of
5958 PTR + CST CMP PTR + CST ...
5959 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
5961 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
5963 * doc/install.texi (Prerequisites): Refine some wording on
5964 bootstrapping and ksh.
5965 Move the version numbers of DejaGnu here from the testing section
5966 and fix casing of names.
5967 Fix markup and clarify wording for autogen requirements.
5968 Refer to GCJ instead of just java.
5969 Refer to SVN instead of CVS.
5970 Describe diffutils as useful instead of necessary.
5971 (Downloading the source): Refer to SVN instead of CVS.
5972 Adjust a link to our web site accordingly.
5973 (Configuration): Fix casing of Bison.
5974 (Building): Refer to SVN instead of CVS.
5975 Fix a sentence on the use of Bison and remove duplicate (and
5976 incorrect) version number of Bison requirement.
5977 Remove one redundant list of packages needed for building.
5978 (Specific): Avoid reference to CVS.
5980 2006-04-04 Eric Christopher <echristo@apple.com>
5982 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
5983 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
5984 (rs6000_handle_struct_attribute): New.
5985 (rs6000_ms_bitfield_layout_p): Ditto.
5987 2006-04-04 Geoffrey Keating <geoffk@apple.com>
5989 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
5990 NULL for dso parameter to atexit_common.
5992 2006-04-04 Eric Christopher <echristo@apple.com>
5994 * config/i386/i386.c (machopic_output_stub): Output \t
5995 between instructions and operands.
5997 2006-04-04 David Edelsohn <edelsohn@gnu.org>
5999 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6000 satisfies_constraint_[IL] to explicit tests on value.
6002 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6004 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6005 set_nb_iterations_in_loop): Use build_int_cst instead of
6006 build_int_cst_type.
6007 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6008 build_int_cst instead of convert.
6010 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6012 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6013 new value 2 for incoming.
6014 * function.c (expand_function_start): Call struct_value_rtx
6015 with incoming as 2.
6016 * config/sparc/sparc.md: Comment updated_return.
6017 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6018 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6019 struct return if sparc_std_struct_return and incoming is 2.
6020 (print_operand): Do not adjust return if
6021 sparc_std_struct_return.
6023 2006-04-04 Roger Sayle <roger@eyesopen.com>
6025 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6026 convert in the middle-end.
6027 * expr.c (store_expr, store_constructor, get_inner_reference,
6028 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6029 Likewise.
6030 * tree.c (build_range_type): Likewise.
6032 2006-04-04 Tom Tromey <tromey@redhat.com>
6034 * doc/install.texi (Prerequisites): Mention jar.
6036 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6038 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6039 subsection.
6041 2006-04-04 Matthias Klose <doko@debian.org>
6043 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6044 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6045 strings.
6047 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6049 * doc/extend.texi (Function Attributes): Rewrite visibility
6050 attribute documentation.
6051 * doc/invoke.texi (C++ Dialect Options): Rewrite
6052 -fvisibility-inlines-hidden documentation to describe something
6053 entirely different, although in practise compatible.
6054 (Code Gen Options): Warn about system headers in -fvisibility=
6055 documentation.
6057 * doc/extend.texi (Other Builtins): Document that
6058 __builtin_nan is a compile-time constant only when its argument
6059 is valid.
6061 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6063 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6064 trying to remove TRUNCATE check if all bits outside the new mode
6065 are identical to the sign bit.
6067 2006-04-03 Jeff Law <law@redhat.com>
6069 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6070 and operand scanning in some common cases.
6072 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6073 Dale Johannesen <dalej@apple.com>
6075 PR target/19653
6076 * regclass.c (struct reg_pref): Update documentation.
6077 (regclass): Set prefclass to NO_REGS if memory is the best option.
6078 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6079 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6080 into account. For non-registers, equate an empty preferred
6081 reload class to a `!' in the constraint; move the if clause to
6082 do so after those that reject the insn.
6083 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6084 return NO_REGS.
6085 (find_dummy_reload): Likewise.
6086 * doc/tm.texi (Register Classes): Document what it means
6087 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6088 * config/i386/i386.c (ix86_preferred_reload_class): Force
6089 using SSE registers (and return NO_REGS for floating-point
6090 constants) if math is done with SSE.
6091 (ix86_preferred_output_reload_class): New.
6092 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6093 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6094 * config/i386/i386.md: Remove # register preferences.
6096 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6098 PR bootstrap/26992
6099 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6100 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6101 the type of nb_iter.
6102 (instantiate_parameters_1): Convert the operands before calling
6103 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6104 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6106 2006-04-02 Roger Sayle <roger@eyesopen.com>
6108 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6109 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6110 instead of convert.
6111 * dojump.c (do_jump): Likewise.
6112 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6113 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6114 gimplify_boolean_expr): Likewise.
6115 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6116 * varasm.c (array_size_for_constructor): Likewise.
6117 * tree-object-size.c (compute_object_offset): Likewise.
6119 2006-04-02 Roger Sayle <roger@eyesopen.com>
6121 PR middle-end/26977
6122 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6123 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6125 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6127 PR tree-optimization/26939
6128 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6130 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6132 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6133 at_stmt. Convert the type of operands before calling
6134 build_polynomial_chrec.
6135 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6136 add_to_evolution_1.
6137 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6138 (instantiate_parameters_1): Convert the type of operands before calling
6139 build_polynomial_chrec.
6140 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6141 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6142 reset_evolution_in_loop): Insert asserts to check the types of the
6143 operands.
6144 (chrec_type): Moved...
6145 (eq_evolutions_p): Use operand_equal_p.
6146 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6147 the types of the operands.
6148 (chrec_type): ...here.
6149 * tree-data-ref.c (create_data_ref): Convert the operands before
6150 calling chrec_replace_initial_condition.
6151 (same_access_functions, analyze_subscript_affine_affine,
6152 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6153 (compute_subscript_distance, analyze_ziv_subscript,
6154 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6155 analyze_miv_subscript): Convert the operands before calling
6156 chrec_fold_minus or chrec_fold_plus.
6158 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6160 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6161 the dependence_relations vector.
6162 (compute_data_dependences_for_loop): Adjust call to
6163 compute_all_dependences.
6165 2006-04-01 Roger Sayle <roger@eyesopen.com>
6166 Richard Henderson <rth@redhat.com>
6168 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6169 gimple_boolify on the condition before calling gimplify_expr.
6171 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6173 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6174 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6175 the frame size. Update to use the new macros.
6176 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6177 * config/xtensa/ieee754-df.S: Likewise.
6179 2006-03-31 Richard Henderson <rth@redhat.com>
6181 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6182 (make_edges): ... here. Control fallthru creation with a local
6183 variable. Do not play with fake edges.
6184 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6185 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6186 a boolean.
6188 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6190 * dwarf2.h (DW64_CIE_ID): Define.
6191 * dwarf2out.c (DWARF_CIE_ID): Define.
6192 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6193 length header. Use DWARF_CIE_ID.
6194 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6195 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6197 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6199 * config/sh/linux-atomic.asm: New file.
6200 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6202 2006-03-31 DJ Delorie <dj@redhat.com>
6204 * config/m32c/cond.md: Set condition flags properly throughout.
6205 * config/m32c/minmax.md: Likewise.
6206 * config/m32c/prologue.md: Likewise.
6207 * config/m32c/bitops.md: Likewise.
6208 * config/m32c/muldiv.md: Likewise.
6209 * config/m32c/mov.md: Likewise.
6210 * config/m32c/addsub.md: Likewise.
6211 * config/m32c/m32c.md: Likewise.
6212 * config/m32c/jump.md: Likewise.
6213 * config/m32c/shift.md: Likewise.
6215 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6216 conditionally output the pattern for this.
6217 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6218 (m32c_compare_redundant): New.
6219 (m32c_output_compare): New.
6220 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6222 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6223 dest, not src. Allow other 4-byte modes.
6225 2006-03-30 Denis Chertykov <denisc@overta.ru>
6227 * doc/md.texi: Refer to avr/constraints.md instead of
6228 avr/avr.h.
6230 2006-03-30 Roger Sayle <roger@eyesopen.com>
6232 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6233 signed vs. unsigned comparison failures on some hosts.
6235 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6237 PR target/26459
6238 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6239 change to FLOAT_REGS.
6241 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6242 (rs6000_override_options): Use it.
6243 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6244 only for -mabi=spe/no-spe and -mabi=altivec.
6246 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6248 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6249 !Zdynamiclib.
6251 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6253 * Makefile.in: Rename docdir to gcc_docdir.
6255 2006-03-30 Roger Sayle <roger@eyesopen.com>
6257 PR target/17959
6258 * expr.c (emit_group_store): Optimize group stores into a pseudo
6259 register by using a paradoxical subreg to initialize the destination
6260 if the first or last member of the group specifies a "low part".
6262 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6264 PR target/26734
6265 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6266 * target.h (struct gcc_target.speculate_insn): Change type of the
6267 second parameter to 'int'.
6268 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6269 the second operand of the DEPS_LIST.
6270 (copy_DEPS_LIST_list): Update reference to the second operand of the
6271 DEPS_LIST.
6272 * rtl.h (alloc_DEPS_LIST): Update signature.
6273 * sched-int.h (ds_t): Change typedef to 'int'.
6274 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6276 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6278 * haifa-sched.c (try_ready): Change condition to restore
6279 non-speculative pattern of the instruction.
6280 (process_insn_depend_be_in_spec): Code to keep probability of the
6281 speculative dependence non-decreasing.
6283 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6285 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6286 (single_move_for_movmem): ... this. Also change all uses.
6287 (bfin_expand_strmov): Renamed to...
6288 (bfin_expand_movmem): ... this. Also change all uses.
6289 * config/bfin/bfin.md (movstrsi): Renamed to...
6290 (movstrsi): ...this.
6292 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6294 PR tree-optimization/26830
6296 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6297 (copy_prop_visit_stmt): Remove write-only variable ann.
6298 (init_copy_prop): Check variable loop depth here. Do not simulate
6299 memory-tag and virtual operand PHIs except for store copy prop.
6301 2006-03-30 Richard Guenther <rguenther@suse.de>
6303 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6304 variants with double arguments.
6306 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6308 * genpreds.c (write_tm_constrs_h): Delete variable p.
6309 * genconditions.c (write_header): Add tm-constrs.h to included
6310 headers.
6311 * genpeep.c (main): Add toplev.h to included headers.
6312 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6313 (build/genpeep.o): Add toplev.h dependency.
6314 * config/rs6000/constraints.md: Add "W" constraint.
6316 2006-03-29 Roger Sayle <roger@eyesopen.com>
6318 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6319 sizes by correctly testing whether the size fits a host integer.
6320 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6321 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6322 SImode range for the default sizetype and bitsizetype.
6324 2006-03-29 Roger Sayle <roger@eyesopen.com>
6326 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6327 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6328 quickly if the argument is already of the correct type.
6329 Call fold_build1 instead of build1. Tidy up blank lines.
6331 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6333 * genemit.c (main): Add tm-constrs.h to included headers.
6334 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6335 * genpeep.c (main): Add tm-constrs.h to included headers.
6336 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6337 (write_tm_constrs_h): this and write complete file.
6338 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6339 (write_insn_preds_c): Add tm-constrs.h to included headers.
6340 (gen_constrs): New variable.
6341 (parse_option): Parse "-c".
6342 (main): Invoke write_tm_constrs_h.
6343 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6344 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6345 (object_out_file): Add tm-constrs.h dependency.
6346 (insn-emit.o): Same.
6347 (insn-output.o): Same.
6348 (insn-peep.o): Same.
6349 (insn-preds.o): Same.
6350 (insn-recog.o): Same.
6351 (tm-constsr.h): New target.
6352 (s-constrs-h): New target.
6354 * config/rs6000/constraints.md: New file.
6355 * config/rs6000/rs6000.c: Include tm-constrs.h.
6356 (num_insn_constant_wide): Convert to satisfies_constraint.
6357 (rs6000_rtx_costs): Convert to satisfies_constraint.
6358 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6359 (CONST_OK_FOR_LETTER_P): Delete.
6360 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6361 (EXTRA_CONSTRAINT): Delete.
6362 (EXTRA_MEMORY_CONSTRAINT): Delete.
6363 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6364 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6365 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6366 satisfies_constraint.
6368 * config/i386/i386.c: Include tm-constrs.h.
6370 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6372 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6373 * tree-data-ref.c (find_data_references_in_loop,
6374 compute_data_dependences_for_loop): Use pointers to VEC.
6375 (analyze_all_data_dependences): Adjust calls.
6376 * tree-data-ref.h (find_data_references_in_loop,
6377 compute_data_dependences_for_loop): Adjust declarations.
6378 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6379 compute_data_dependences_for_loop.
6381 2006-03-29 Paul Brook <paul@codesourcery.com>
6383 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6384 (movdf_vfp): Ditto.
6386 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6388 PR tree-optimization/26859
6389 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6390 division by zero.
6391 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6392 for the step after fold_convert.
6394 2006-03-29 Paul Brook <paul@codesourcery.com>
6396 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6397 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6399 2006-03-29 Paul Brook <paul@codesourcery.com>
6401 PR middle-end/23623
6402 * targhooks.c (default_narrow_bitfield): New fuction.
6403 * targhooks.h (default_narrow_bitfield): add prototype.
6404 * target.h (gcc_target): Add narrow_volatile_bitfield.
6405 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6406 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6407 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6408 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6410 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6412 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6413 tmake_file.
6414 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6415 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6416 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6417 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6418 (s390_function_arg_float): Allow SDmode and DDmode values to be
6419 passed in floating point registers.
6420 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6421 check with SCALAR_FLOAT_MODE_P.
6422 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6424 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6426 PR tree-optimization/25985
6427 * tree-ssa-loop-niter.c (number_of_iterations_le,
6428 number_of_iterations_ne): Make comments more precise.
6429 (number_of_iterations_cond): Add only_exit argument. Use the
6430 fact that signed variables do not overflow only when only_exit
6431 is true.
6432 (loop_only_exit_p): New.
6433 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6434 number_of_iterations_cond.
6436 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6438 PR tree-optimization/26643
6439 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6440 bit_field_refs.
6442 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6444 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6445 (divsi3_i4_int): Likewise.
6447 2006-03-28 Roger Sayle <roger@eyesopen.com>
6449 * expr.c (emit_group_store): Only create a new pseudo reg if the
6450 quantity it needs to hold isn't already a suitable pseudo.
6452 2006-03-28 Jeff Law <law@redhat.com>
6454 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6455 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6457 2006-03-28 Roger Sayle <roger@eyesopen.com>
6459 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6460 the equivalent ~X & Y, and the symmetry related transformations.
6461 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6462 ~X & Y, and symmetry related transforms.
6464 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6466 Revert my 2006-03-27 patches.
6468 2006-03-28 Roger Sayle <roger@eyesopen.com>
6470 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6471 ~(T1)X, when T1 and T2 are integer types of the same precision
6472 and (T2)X isn't an extension.
6474 2006-03-28 Jeff Law <law@redhat.com>
6476 PR tree-optimization/26796
6477 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6478 need EH edge cleanups rather than purging them immediately.
6479 (eliminate_degenerate_phis): Handle queued EH cleanups.
6481 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6483 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6484 from parent_var.
6486 2006-03-27 Roger Sayle <roger@eyesopen.com>
6488 PR middle-end/22524
6489 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6490 cast BIT_NOT_EXPR operand to the correct type.
6492 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6494 * tree-loop-linear.c: Don't include varray.h.
6495 (gather_interchange_stats, try_interchange_loops,
6496 linear_transform_loops): Use VEC instead of VARRAY.
6497 * lambda-mat.c: Don't include varray.h.
6498 * tree-chrec.c: Same.
6499 * lambda-trans.c: Same.
6500 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6501 VEC instead of VARRAY.
6502 * tree-vectorizer.h: Idem.
6503 * tree-data-ref.c (dump_data_references,
6504 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6505 initialize_data_dependence_relation, finalize_ddr_dependent,
6506 compute_all_dependences, find_data_references_in_loop,
6507 compute_data_dependences_for_loop, analyze_all_data_dependences,
6508 free_dependence_relation, free_dependence_relations,
6509 free_data_refs): Idem.
6510 * tree-data-ref.h (data_reference_p, subscript_p): New.
6511 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6512 VEC instead of VARRAY.
6513 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6514 (find_data_references_in_loop, compute_data_dependences_for_loop,
6515 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6516 dump_data_dependence_relations, free_dependence_relations,
6517 free_data_refs): Adjust declaration.
6518 (lambda_transform_legal_p): Move declaration here...
6519 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6520 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6521 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6522 vect_analyze_data_refs): Use VEC instead of VARRAY.
6523 * lambda.h (lambda_transform_legal_p): ...from here.
6524 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6525 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6526 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6527 tree-chrec.o): Don't depend on VARRAY_H.
6529 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6531 * rtl.def (Copyright): Update date.
6532 (DEPS_LIST): Change type of the second operand to 'int'.
6533 * target.h (Copyright): Update date.
6534 (struct gcc_target.speculate_insn): Change type of the second parameter
6535 to 'int'.
6536 * lists.c (Copyright): Update date.
6537 (alloc_DEPS_LIST): Change signature. Update reference to the second
6538 operand of the DEPS_LIST.
6539 (copy_DEPS_LIST_list): Update reference to the second operand of the
6540 DEPS_LIST.
6541 * rtl.h (Copyright): Update date.
6542 (alloc_DEPS_LIST): Update signature.
6543 * sched-int.h (Copyright): Update date.
6544 (ds_t): Change typedef to 'int'.
6545 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6547 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6549 * haifa-sched.c (Copyright): Update date.
6550 (try_ready): Change condition to restore non-speculative pattern
6551 of the instruction.
6552 (process_insn_depend_be_in_spec): Code to keep probability of the
6553 speculative dependence non-decreasing.
6555 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6557 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6558 shut up the compiler.
6560 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6562 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6563 to use lib prefix for target.
6564 ($(T)libic_invalidate_array_4-200.a): Likewise.
6565 ($(T)libic_invalidate_array_4a.a): Likewise.
6567 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6568 J"orn Rennecke <joern.rennecke@st.com>
6570 * superh.opt: New file.
6571 * sh.c (boardtype, osruntime): Remove.
6572 * superh.h (SUBTARGET_OPTIONS): Remove.
6573 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6575 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6576 arguments with ^ and/or [].
6578 * config.gcc (sh-*-*): Add quoting to account for quirk of
6579 Solaris /bin/sh.
6580 Replace == with = in enable_incomplete_targets test.
6582 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6583 with MASK_LITTLE_ENDIAN.
6585 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6586 * config/sh/sh.opt: Added to some comments.
6587 * config/sh/superh.h: Removed some chaff.
6589 * config/sh/sh.opt: Add m4-[1234]00* options.
6590 * config/sh/sh.c (sh_handle_option): Likewise.
6591 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6592 (ic_invalidate_array_4-100.o): New rule.
6593 ($(T)libic_invalidate_array_4-100.a): Likewise.
6594 (ic_invalidate_array_4-200.o): Likewise.
6595 ($(T)libic_invalidate_array_4-200.a): Likewise.
6596 (ic_invalidate_array_4a.o): Likewise.
6597 ($(T)libic_invalidate_array_4a.a): Likewise.
6598 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6599 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6600 m4-200*, and m4a*.
6601 * config/sh/crt1.asm: Merged in profiling code.
6602 * config/sh/superh.h (STARTFILE_SPEC): Override.
6603 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6604 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6605 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6607 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6608 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6609 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6611 * sh.opt (mpretend-cmove): New option.
6612 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6613 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6614 (movsicc): Add TARGET_PRETEND_CMOVE code.
6616 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6618 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6619 s390_class_max_nregs): New function prototypes.
6620 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6621 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6622 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6623 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6625 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6627 * dwarf2out.c (add_location_or_const_value_attribute): Call
6628 tree_add_const_value_attribute if nothing else works.
6629 (reference_to_unused): New.
6630 (rtl_for_decl_init): Use reference_to_unused to decide whether
6631 to output an initializer.
6633 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6635 PR target/26459
6636 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6637 peephole removing spe frob_di_df_2.
6639 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6641 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6642 (subscript_dependence_tester_1): Declared.
6643 (print_dir_vectors, print_dist_vectors): New.
6644 (debug_data_dependence_relation): New.
6645 (dump_data_dependence_relation): Print more details.
6646 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6647 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6648 (save_dist_v, save_dir_v, add_outer_distances,
6649 build_classic_dist_vector_1): New.
6650 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6651 Don't test for lambda_vector_lexico_pos.
6652 (same_access_functions, add_multivariate_self_dist,
6653 add_other_self_distances, dir_from_dist): New.
6654 (build_classic_dir_vector): Replace implementation almost identical to
6655 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6656 dir_from_dist.
6657 (subscript_dependence_tester_1): New.
6658 (subscript_dependence_tester): Handle the lexicographically negative
6659 distance vectors by recomputing the dependence relation.
6660 (compute_affine_dependence): Remove parameter loop_nest_depth.
6661 (compute_self_dependence): Don't call compute_subscript_distance.
6662 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6663 Add a parameter for the loop_nest.
6664 (find_loop_nest_1, find_loop_nest): New.
6665 (compute_data_dependences_for_loop): Compute the loop nest, and give
6666 up if the nest is not well formed.
6667 * tree-data-ref.h (loop_p): New.
6668 (struct data_dependence_relation): Replace size_vect field with
6669 loop_nest, a vec of loops.
6670 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6671 (DDR_LOOP_NEST): New.
6672 (print_dir_vectors, print_dist_vectors,
6673 debug_data_dependence_relation): Declared.
6674 (index_in_loop_nest): New.
6675 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6676 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6677 distance.
6679 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6681 * simplify-rtx.c (simplify_relational_operation): Call
6682 simplify_relational_operation_1 even if mode is VOIDmode.
6684 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6686 PR tree-optimization/26804
6687 * tree.h (DECL_CALL_CLOBBERED): New macro.
6688 (tree_decl_common): Add call_clobbered_flag.
6689 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6690 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6691 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6692 (mark_non_addressable): Ditto.
6693 * tree-ssa.c (verify_call_clobbered): New function.
6694 (verify_alias_info): Use it.
6695 * tree-pass.h (pass_reset_cc_flags): New prototype.
6696 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6697 (reset_cc_flags): New function.
6698 * passes.c (init_optimization_passes): Call reset_cc_flags after
6699 initializing referenced_vars.
6701 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6702 Roger Sayle <roger@eyesopen.com>
6704 PR middle-end/26717
6705 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6706 to 1.0 for non-real operands. Implement A / A optimization for
6707 complex operands.
6709 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6711 * config/i386/i386.c (size_cost): Correct the comment for
6712 cost of storing fp registers.
6713 (i386_cost): Likewise.
6714 (i486_cost): Likewise.
6715 (pentium_cost): Likewise.
6716 (pentiumpro_cost): Likewise.
6717 (k6_cost): Likewise.
6718 (athlon_cost): Likewise.
6719 (k8_cost): Likewise.
6720 (pentium4_cost): Likewise.
6721 (nocona_cost): Likewise.
6722 (generic64_cost): Likewise.
6723 (generic32_cost): Likewise.
6725 2006-03-24 Denis Chertykov <denisc@overta.ru>
6727 * config/avr/avr-protos.h (extra_constraint): Delete.
6728 (extra_constraint_Q): New declaration.
6729 * config/avr/constraints.md: New file.
6730 * config/avr/avr.md: Include it.
6731 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6732 (TMP_REGNO, ZERO_REGNO): Likewise.
6733 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6734 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6735 (extra_constraint): Delete.
6736 (extra_constraint_Q): Test for memory constraint 'Q'.
6737 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6738 (REG_CLASS_FROM_LETTER): Delete.
6739 (CONST_OK_FOR_LETTER_P): Delete.
6740 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6741 (EXTRA_CONSTRAINT): Delete.
6742 (TMP_REGNO): Delete.
6743 (ZERO_REGNO): Delete.
6745 2006-03-24 Jeff Law <law@redhat.com>
6747 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6748 directly. Call mark_new_vars_to_rename slightly earlier.
6750 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6752 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6753 (is_cxx): Likewise.
6754 (gen_compile_unit_die): Use new language types for Objective-C and
6755 Objective-C++.
6756 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6757 DW_LANG_C_plus_plus.
6759 PR 26793
6760 * config/t-darwin (crt3.o): Work around bug 26840.
6761 * config/darwin-crt3.c: Rewrite.
6762 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6764 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6766 * doc/invoke.texi: Document -femit-class-debug-always
6767 * common.opt: Add -femit-class-debug-always.
6769 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6771 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6772 index and base register.
6773 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6774 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6775 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6776 REGNO_OK_FOR_INDEX_P.
6777 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6778 ADDR_REGNO_P.
6779 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6780 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6781 REG_OK_FOR_BASE_P): Definitions removed.
6783 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6785 PR middle-end/26611
6786 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6787 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6788 set yet or weren't marked as local yet.
6790 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6792 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6793 the compiler.
6795 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6797 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6798 (rs6000_legitimate_small_data_p): Delete.
6799 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6800 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6801 and make static. Add forward declaration. Update uses.
6802 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6803 of offsettable_memref_p.
6804 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6805 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6807 2006-03-24 Jeff Law <law@redhat.com>
6809 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6810 around bug in immediate-use iterator.
6812 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6814 PR target/26607
6815 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6816 or __LITTLE_ENDIAN__.
6818 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6820 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6821 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6822 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6823 * config/sh/sh.opt (mdiv=): Amend description.
6824 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6825 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6826 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6827 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6828 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6829 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6830 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6831 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6832 TARGET_DIVIDE_CALL_FP.
6834 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6836 * haifa-sched.c (choose_ready): Fix type of the local variable.
6837 Move local variables. Add comment.
6838 (check_reg_live): Change signature. Make callable from debugger.
6839 * sched-int.h (check_reg_live): Update signature.
6840 * sched-ebb.c (check_reg_live): Update parameters.
6841 * sched-rgn.c (check_reg_live): Ditto.
6842 (region_head_or_leaf_p): Check pointer before dereferencing.
6843 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
6844 before reload on optimization levels below 1.
6846 2006-03-23 Richard Henderson <rth@redhat.com>
6848 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
6849 tls symbols.
6851 PR target/26347
6852 * config/alpha/predicates.md (local_symbolic_operand): Reject
6853 weak symbols.
6855 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
6857 PR tree-opt/26795
6858 * tree-ssa-pre.c (create_value_expr_from): Don't reject
6859 expressions which have overflowed constants.
6861 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6863 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
6865 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
6867 * cfgloopmanip.c (create_loop_notes): Removed.
6868 * final.c (final_scan_insn): Do not handle loop notes.
6869 * jump.c (squeeze_notes): Ditto.
6870 * cfglayout.c (skip_insns_after_block,
6871 duplicate_insn_chain): Ditto.
6872 * cfgcleanup.c (rest_of_handle_jump2): Do not call
6873 create_loop_notes.
6874 * cfgloop.h (create_loop_notes): Declaration removed.
6876 2006-03-23 Richard Sandiford <richard@codesourcery.com>
6878 * varasm.c (output_constant_pool): Restore fnname and fndecl
6879 arguments.
6880 (assemble_start_function): Adjust call accordingly.
6881 (assemble_end_function): Likewise.
6883 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6885 PR mudflap/26789
6886 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
6888 PR mudflap/26790
6889 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
6891 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6893 PR driver/22600
6894 * system.h (ICE_EXIT_CODE): New macro.
6895 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
6896 (diagnostic_action_after_output): Likewise.
6897 * gcc.c (fatal_ice): New function.
6898 (execute): Use it instead of fatal.
6899 (fancy_abort): Likewise.
6900 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
6902 2006-03-22 Jeff Law <law@redhat.com>
6904 * loop-unroll.c (analyze_iv_to_split_insn): Handle
6905 iv_analyze_result returning false.
6907 2006-03-22 Jie Zhang <jie.zhang@analog.com>
6909 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
6911 2006-03-22 Richard Henderson <rth@redhat.com>
6913 PR middle-end/26084
6914 * except.c (duplicate_eh_regions_0): New.
6915 (duplicate_eh_region_1): Duplicate the children of the node as
6916 well as the node itself. Link them up properly.
6917 (duplicate_eh_region_2): Merge into ...
6918 (duplicate_eh_regions): ... here. Take copy_region argument, and
6919 copy only a sub-tree if asked. Simplify copying and fixup.
6920 (eh_region_outer_p): New.
6921 * except.h (duplicate_eh_regions): Update decl.
6922 (eh_region_outer_p): Declare.
6923 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
6924 (lower_omp_master): Likewise.
6925 (lower_omp_ordered): Likewise.
6926 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
6927 (move_stmt_r): Use it to remap labels. Handle recursion vs
6928 remap_decls_p properly.
6929 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
6930 (find_outermost_region_in_block): New.
6931 (new_label_mapper): New.
6932 (move_sese_region_to_fn): Copy eh information to the new function
6933 properly.
6934 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
6935 argument.
6936 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
6937 number.
6939 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6941 * doc/md.texi (-mshared): Mention that -mshared code can be linked
6942 into shared libraries.
6944 2006-03-22 Richard Sandiford <richard@codesourcery.com>
6946 * doc/md.texi: Refer to i386/constraints.md instead of
6947 i386/predicates.md.
6948 * config/i386/constraints.md: New file, extracted from...
6949 * config/i386/predicates.md: ...here.
6950 * config/i386/i386.md: Include constraints.md.
6952 2006-03-21 Jason Merrill <jason@redhat.com>
6954 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
6956 PR middle-end/20297
6957 * expr.c (init_block_move_fn): Force default visibility.
6958 (init_block_clear_fn): Likewise.
6959 * builtins.c (expand_builtin_fork_or_exec): Likewise.
6960 * targhooks.c (default_external_stack_protect_fail): Likewise.
6962 2006-03-21 Richard Sandiford <richard@codesourcery.com>
6964 * config/mips/predicates.md (const_call_insn_operand): Allow direct
6965 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
6966 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
6967 Use TARGET_OLDABI instead of !TARGET_NEWABI.
6968 (loadgp): Use mips_current_loadgp_style.
6969 (loadgp_noshared): New pattern.
6970 (sibcall_internal): Use MIPS_CALL.
6971 (sibcall_value_internal): Likewise.
6972 (sibcall_value_multiple_internal): Likewise.
6973 (call_internal): Likewise.
6974 (call_value_internal): Likewise.
6975 (call_value_multiple_internal): Likewise.
6976 (call_split): Use MIPS_CALL and add an 'S' constraint.
6977 (call_value_split): Likewise.
6978 (call_value_multiple_split): Likewise.
6979 * config/mips/mips.opt (-mabicalls): Tweak docstring.
6980 (-mshared): New option.
6981 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
6982 (mips_current_loadgp_style): Declare.
6983 * config/mips/mips.c (mips_classify_symbol): Avoid using
6984 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
6985 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
6986 TARGET_ABSOLUTE_ABICALLS.
6987 (override_options): Adjust comments. Improve the warning that is
6988 issued when -mabicalls and -G are used together.
6989 (mips_file_start): Remove comment.
6990 (mips_current_loadgp_style): New function.
6991 (mips_gnu_local_gp): New variable.
6992 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
6993 LOADGP_ABSOLUTE.
6994 (mips_output_function_prologue): Use mips_current_laodgp_style.
6995 (mips_expand_prologue): Call mips_emit_loadgp before emitting
6996 the cprestore instruction.
6997 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
6998 live for TARGET_ABSOLUTE_ABICALLS.
6999 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7000 (ASM_SPEC): Pass down -mshared and -mno-shared.
7001 (MIPS_CALL): New macro.
7002 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7003 definition.
7004 * doc/invoke.texi (-mabicalls): Update documentation.
7005 (-mshared): Document.
7007 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7009 * config/ia64/unwind-hpux.c: New file.
7010 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7012 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7014 PR libgomp/26384
7015 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7017 2006-03-21 Jeff Law <law@redhat.com>
7019 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7020 type conversions of a VR_VARYING source to a wider type.
7022 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7024 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7025 tm_file on Solaris 10 and later.
7026 (sparc64-*-solaris2*): Likewise.
7027 (sparc-*-solaris2*): Likewise.
7028 * config/sol26.h: Rename to config/sol2-6.h.
7029 * config/sol2-10.h: New file.
7031 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7033 PR tree-opt/26781
7034 * tree-ssa-pre.c (create_component_ref_by_pieces):
7035 Handle STRING_CST.
7037 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7039 PR c++/26690
7040 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7041 return it immediately.
7043 2006-03-21 Michael Matz <matz@suse.de>
7045 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7046 New members.
7047 (remove_arc, add_arc): Update num_out_arcs member.
7048 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7049 of out arcs.
7050 (cache_presence): New function.
7051 (compare_states_for_equiv): New function.
7052 (state_is_differed): Don't take number of outargs, adjust callers.
7053 Use new invariant for speeding up.
7054 (init_equiv_class): Create initial classes based on sorted
7055 input.
7056 (partition_equiv_class): Don't track out_arcs_num.
7057 (evaluate_equiv_classes): Call cache_presence on all states and
7058 sort them.
7060 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7062 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7063 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7064 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7065 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7066 callers changed.
7067 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7068 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7069 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7070 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7071 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7072 macros.
7073 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7074 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7075 (REGNO_REG_CLASS): ARGP is in PREGS.
7076 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7077 IREGS.
7078 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7079 to deal with those addresses.
7080 * addresses.h: New file.
7081 * caller-save.c: Include "addresses.h".
7082 (init_caller_save): Use new base_reg_class function.
7083 * rtl-factoring.c: Include "addresses.h".
7084 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7085 * recog.c: Include "addresses.h".
7086 (preprocess_constraints): Use new base_reg_class function.
7087 * regrename.c: Include "addresses.h".
7088 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7089 functions. Keep track of a new var INDEX_CODE to compute valid
7090 classes.
7091 (replace_oldest_value_addr): Likewise.
7092 (replace_oldest_value_mem): Use base_reg_class.
7093 * reload.c: Include "addresses.h".
7094 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7095 (find_reloads): Use new base_reg_class function.
7096 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7097 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7098 all callers and prototype changed.
7099 * reload1.c: Include "addresses.h".
7100 (maybe_fix_stack_asms): Use base_reg_class.
7101 * regclass.c: Include "addresses.h".
7102 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7103 (init_reg_autoinc): Use new base_reg_class function.
7104 (record_reg_classes): Likewise.
7105 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7106 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7107 Use new args to compute necessary class.
7109 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7110 regrename.o, rtl-factoring.o): Update dependencies.
7111 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7112 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7113 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7114 REG_OK_FOR_INDEX_P): Delete documentation.
7116 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7118 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7119 from V7 to V9 for Solaris 7 and above.
7121 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7123 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7124 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7125 argument pointers may not alias any other storage.
7126 * common.opt: Define option -fargument-noalias-anything.
7127 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7128 alias semantics is specified by flag_argument_noalias > 2.
7130 2006-03-20 Jeff Law <law@redhat.com>
7132 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7133 (pass_phi_only_cprop): Declare.
7134 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7135 with phi_only_cprop
7136 * tree-ssa-dom.c (degenerate_phi_result): New function.
7137 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7138 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7139 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7140 (eliminate_degenerate_phis): Likewise.
7141 (pass_phi_only_cprop): New pass descriptor.
7142 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7143 support code. Callers updated.
7144 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7145 (store_copy_prop): Likewise.
7146 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7148 2006-03-20 Jason Merrill <jason@redhat.com>
7150 PR c++/21764
7151 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7152 (push_visibility, pop_visibility): Likewise.
7153 * c-pragma.h: Declare them.
7155 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7157 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7159 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7160 parameter and use get_ebb_head_tail.
7161 (sh_md_init_global): Adjust uses of find_regmode_weight.
7163 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7165 * function.h (struct function) <x_tail_recursion_reentry>:
7166 Rename to x_stack_check_probe_note.
7167 (tail_recursion_reentry): Rename to stack_check_probe_note.
7168 * function.c: Replace tail_recursion_reentry with
7169 stack_check_probe_note everywhere.
7170 (expand_function_start): Only emit a note for
7171 stack_check_probe_note with -fstack-protect.
7172 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7174 * emit-rtl.c (remove_unnecessary_notes): Remove.
7175 (pass_remove_unnecessary_notes): Remove.
7176 * rtl.h (remove_unnecessary_notes): Remove prototype.
7177 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7178 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7179 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7181 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7183 PR tree-opt/26629
7184 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7185 (valid_in_set): Handle ARRAY_REF.
7186 Change "if min_variant or VH" to asserts.
7187 (create_component_ref_by_pieces): Handle ARRAY_REF.
7188 (create_expression_by_pieces): Likewise.
7189 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7191 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7193 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7194 is operand of switch, not str[0].
7196 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7198 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7199 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7201 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7203 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7204 end of insn_extra_address_constraint declaration.
7206 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7208 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7209 (no-sum-in-toc): Same.
7210 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7211 variables.
7212 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7213 NO_FP_IN_TOC for -fPIC instead of mask.
7215 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7216 (BOOT_LDFLAGS): Delete.
7217 (LDFLAGS): Delete.
7218 * config/rs6000/t-aix52: Same.
7220 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7221 (stmsi[345678]_power): New.
7223 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7225 * config/ia64/ia64.opt: Add empty line to end of file.
7227 2006-03-17 Richard Guenther <rguenther@suse.de>
7229 PR middle-end/26721
7230 * builtins.c (get_pointer_alignment): For component style references
7231 adjust alignment to the component type alignment. Make sure
7232 to adjust alignment for component access of constants.
7234 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7236 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7237 unconditional jump.
7239 2006-03-17 Paul Brook <paul@codesourcery.com>
7241 * doc/install.texi: Docuemnt --with-mode.
7242 * config.gcc: Add --with-mode for arm*-*-*.
7243 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7245 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7247 * sh.c (max_labelno_before_reorg): New variable.
7248 (sh_reorg): Initialize it.
7249 (find_barrier): Check max_labelno_before_reorg before using
7250 label_to_alignment. Take length of explicit alignment insns
7251 into account. When seeing a UNSPECV_CONST_END, return it.
7253 * sh.c (fixup_mova): Set mode of affected label to QImode.
7254 (untangle_mova): New function.
7255 (find_barrier): Use it. Check mode of label before decrementing
7256 num_mova.
7257 (sh_reorg): Likewise.
7258 Set mode of all insns back to VOIDmode.
7260 * sh.c (MOVA_LABELREF): New macro.
7261 (mova_p, fixup_mova, sh_reorg): Use it.
7262 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7263 ADDR_DIFF_VEC matches mova.
7265 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7267 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7268 with ATTRIBUTE_UNUSED.
7270 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7272 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7273 pointer, instead of assuming it is possible to derive the
7274 correct args size from a call insn.
7276 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7278 * rtl.h (CONST_INT_P): Define.
7279 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7280 instead of GET_CODE(x) == CONST_INT.
7281 (vax_rtx_costs): Likewise.
7282 (vax_output_int_move): Likewise.
7283 (vax_output_int_add): Likewise.
7284 (legitimate_constant_address_p): Likewise.
7285 (index_term_p): Likewise.
7286 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7287 * config/vax/vax.md (and<mode>3): Likewise.
7288 (ashrsi3): Likewise.
7289 (extv): Likewise.
7290 (movstricthi): Likewise.
7291 (movstrictqi): Likewise.
7292 (rotrsi3): Likewise.
7293 (five unnamed insns): Likewise.
7295 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7297 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7298 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7299 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7300 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7301 Pass to ASM_OUTPUT_DWARF_OFFSET.
7302 * dwarf2out.c (debug_frame_section): New.
7303 (output_call_frame_info): Use debug_frame_section. Pass it to
7304 dw2_asm_output_offset.
7305 (output_die): Pass appropriate section to dw2_asm_output_offset.
7306 (output_compilation_unit_header): Likewise.
7307 (output_pubnames): Likewise.
7308 (output_aranges): Likewise.
7309 (enum dw_val_class): Break dw_val_class_lbl_offset into
7310 dw_val_class_lineptr and dw_val_class_macptr.
7311 (add_AT_lbl_offset): Delete.
7312 (add_AT_lineptr): New.
7313 (add_AT_macptr): New.
7314 (AT_lbl): Expect a lineptr or macptr.
7315 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7316 (attr_checksum): Likewise.
7317 (same_dw_val_p): Likewise.
7318 (size_of_die): Likewise.
7319 (value_format): Likewise.
7320 (output_die): Likewise.
7321 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7322 add_AT_lbl_offset.
7323 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7324 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7325 * config/darwin-protos.h (darwin_file_start): New.
7326 (darwin_asm_output_dwarf_offset): New.
7327 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7328 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7329 darwin_file_start.
7330 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7331 if not EH section; simplify.
7332 (darwin_file_start): New.
7333 (darwin_asm_output_dwarf_offset): New.
7334 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7335 mark as 'debug'.
7336 (DEBUG_INFO_SECTION): Likewise.
7337 (DEBUG_ABBREV_SECTION): Likewise.
7338 (DEBUG_ARANGES_SECTION): Likewise.
7339 (DEBUG_MACINFO_SECTION): Likewise.
7340 (DEBUG_LINE_SECTION): Likewise.
7341 (DEBUG_LOC_SECTION): Likewise.
7342 (DEBUG_PUBNAMES_SECTION): Likewise.
7343 (DEBUG_STR_SECTION): Likewise.
7344 (DEBUG_RANGES_SECTION): Likewise.
7345 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7346 (ASM_OUTPUT_DWARF_OFFSET): New.
7348 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7350 * config.gcc (tm_defines): Always add to previous value rather
7351 than replacing it.
7353 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7355 * config/mips/predicates.md (splittable_const_int_operand): New,
7356 split from move_operand.
7357 (splittable_symbolic_operand): New.
7358 (move_operand): Add commentary. Use splittable_const_int_operand.
7359 Inline mips_atomic_symbolic_constant_p.
7360 * config/mips/mips.md: Add combine splitters for handling moves
7361 of splittable_const_int_operands and splittable_symbolic_operands.
7362 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7363 (mips_split_symbol): Declare.
7364 (mips_move_integer): Declare.
7365 * config/mips/mips.c (mips_split_p): Make global.
7366 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7367 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7368 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7369 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7370 (mips_offset_within_object_p): Handle block symbols.
7371 (mips_atomic_symbolic_constant_p): Delete.
7372 (mips_cannot_force_const_mem): Return false for constants that
7373 mips_legitimize_move can handle.
7374 (mips_use_blocks_for_constant_p): New function.
7375 (mips_split_symbol): Make global.
7376 (mips_move_integer): Likewise. Add a temporary register argument.
7377 (mips_legitimize_const_move): Use splittable_const_int_operand and
7378 splittable_symbolic_operand.
7379 (mips_use_anchors_for_symbol_p): New function.
7380 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7381 (mips_split_p): Declare.
7383 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7385 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7386 (mips*-*-linux*): Likewise.
7388 2006-03-16 Roger Sayle <roger@eyesopen.com>
7389 Daniel Speyer <dspeyer@wam.umd.edu>
7391 PR middle-end/18259
7392 * tree-dump.c (dump_real): New function.
7393 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7394 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7395 (tree-dump.o): Add $(REAL_H) to the dependencies.
7397 2006-03-16 Roger Sayle <roger@eyesopen.com>
7399 PR middle-end/21781
7400 * real.c (real_from_string): If the mantissa is zero, don't bother
7401 parsing the exponent as the result should always be zero.
7403 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7405 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7407 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7409 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7410 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7411 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7412 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7413 ia64_sched_finish_global): New static functions to implement
7414 hooks from gcc_target.sched.
7415 (spec_check_no, max_uid, pending_data_specs): New static variables.
7416 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7417 ia64_spec_check_src_p): New static functions.
7418 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7419 (TARGET_SCHED_ADJUST_COST): Removed.
7420 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7421 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7422 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7423 TARGET_SCHED_GEN_CHECK,
7424 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7425 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7426 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7427 Fixed to handle speculation checks.
7428 (rtx_needs_barrier): Fixed to handle speculative loads and
7429 their checks.
7430 (ia64_variable_issue): Added code to count speculative loads and their
7431 checks.
7432 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7433 speculative loads.
7434 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7435 New enumerations.
7436 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7437 New constants.
7438 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7439 (ia64_reorg): Reset stops_p to NULL after it is freed.
7440 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7441 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7442 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7443 chk_a.
7444 (data_speculative, control_speculative, check_load): New attributes.
7445 (mov<mode>_advanced, mov<mode>_speculative,
7446 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7447 zero_extend<mode>di2_speculative,
7448 zero_extend<mode>di2_speculative_advanced): New patterns for
7449 data and control speculative loads.
7450 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7451 check loads.
7452 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7453 New pattern for data and control speculation checks.
7454 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7455 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7456 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7457 Auxiliary definitions for the patterns.
7458 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7459 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7460 constraints.
7461 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7462 for speculation.
7463 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7464 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7465 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7466 New resource constraints.
7467 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7468 for speculation.
7469 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7470 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7471 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7472 msched-in-control-spec, msched-ldc, msched-control-ldc,
7473 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7474 msched-prefer-non-control-spec-insns,
7475 msched-count-spec-in-critical-path): New flags to tune speculative
7476 scheduling.
7477 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7478 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7479 msched-in-control-spec, msched-ldc, msched-control-ldc,
7480 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7481 msched-prefer-non-control-spec-insns,
7482 msched-count-spec-in-critical-path): Document new flags.
7484 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7486 * target.h (struct spec_info_def): New opaque declaration.
7487 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7488 speculate_insn, needs_block_p, gen_check,
7489 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7490 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7491 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7492 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7493 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7494 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7495 gcc_target.sched.
7496 (TARGET_SCHED): Use new macros.
7497 * rtl.h (copy_DEPS_LIST_list): New prototype.
7498 * sched-int.h (struct sched_info): Change signature of new_ready field,
7499 adjust all initializations. New fields: add_remove_insn,
7500 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7501 region_head_or_leaf_p.
7502 (struct spec_info_def): New structure declaration.
7503 (spec_info_t): New typedef.
7504 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7505 recovery_block, orig_pat.
7506 (glat_start, glat_end): New variables declaraions.
7507 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7508 New access macros.
7509 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7510 DETACH_LIFE_INFO, USE_GLAT.
7511 (enum SPEC_SCHED_FLAGS): New enumeration.
7512 (NOTE_NOTE_BB_P): New macro.
7513 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7514 attach_life_info, debug_spec_status, check_reg_live): New functions.
7515 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7516 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7517 sched-ebb.c
7518 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7519 * ddg.c (get_block_head_tail): Adjust all uses.
7520 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7521 (sms_sched_info): Initialize new fields.
7522 (contributes_to_priority): Removed.
7523 * haifa-sched.c (params.h): New include.
7524 (get_block_head_tail): Adjust all uses.
7525 (ISSUE_POINTS): New macro.
7526 (glat_start, glat_end): New global variables.
7527 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7528 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7529 old_last_basic_block, before_recovery, current_sched_info_var,
7530 rgn_n_insns, luid): New static variables.
7531 (insn_cost1): New function. Move logic from insn_cost to here.
7532 (find_insn_reg_weight1): New function. Move logic from
7533 find_insn_reg_weight to here.
7534 (reemit_notes, move_insn, max_issue): Change signature.
7535 (move_insn1): Removed.
7536 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7537 extend_bb): New static functions to support extension of scheduler's
7538 data structures.
7539 (generate_recovery_code, process_insn_depend_be_in_spec,
7540 begin_speculative_block, add_to_speculative_block,
7541 init_before_recovery, create_recovery_block, create_check_block_twin,
7542 fix_recovery_deps): New static functions to support
7543 generation of recovery code.
7544 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7545 restore_bb_notes, move_block_after_check, move_succs): New static
7546 functions to support ebb scheduling.
7547 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7548 functions to support handling of register live information.
7549 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7550 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7551 add_jump_dependencies): New static functions.
7552 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7553 consistancy checking.
7554 (debug_spec_status): New function to call from debugger.
7555 (priority): Added code to handle speculation checks.
7556 (rank_for_schedule): Added code to distinguish speculative instructions.
7557 (schedule_insn): Added code to handle speculation checks.
7558 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7559 Fixed to handle ebbs.
7560 (move_insn): Added code to handle ebb scheduling.
7561 (max_issue): Added code to use ISSUE_POINTS of instructions.
7562 (choose_ready): Added code to choose between speculative and
7563 non-speculative instructions.
7564 (schedule_block): Added code to handle ebb scheduling and scheduling of
7565 speculative instructions.
7566 (sched_init): Initialize new variables.
7567 (sched_finish): Free new variables. Print statistics.
7568 (try_ready): Added code to handle speculative instructions.
7569 * lists.c (copy_DEPS_LIST_list): New function.
7570 * sched-deps.c (extend_dependency_caches): New function. Move logic
7571 from create_dependency_caches to here.
7572 (get_dep_weak, ds_merge): Make global.
7573 * genattr.c (main): Code to output prototype for
7574 dfa_clear_single_insn_cache.
7575 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7576 (output_dfa_clean_insn_cache_func): Code to output
7577 dfa_clear_single_insn_cache function.
7578 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7579 n_insns.
7580 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7581 Removed.
7582 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7583 New static variables.
7584 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7585 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7586 struct sched_info.
7587 (ebb_sched_info): Initialize new fields.
7588 (get_block_head_tail): Adjust all uses.
7589 (compute_jump_reg_dependencies): Fixed to use glat_start.
7590 (schedule_ebb): Code to remove unreachable last block.
7591 (schedule_ebbs): Added code to update register live information.
7592 * sched-rgn.c (region_sched_info): Initialize new fields.
7593 (get_block_head_tail): Adjust all uses.
7594 (last_was_jump): Removed. Adjust users.
7595 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7596 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7597 Implement new hooks.
7598 (check_dead_notes1): New static function.
7599 (struct region): New fields: dont_calc_deps, has_real_ebb.
7600 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7601 (BB_TO_BLOCK): Fixed to handle EBBs.
7602 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7603 (ebb_head): New static variable.
7604 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7605 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7606 new fields.
7607 (compute_dom_prob_ps): New assertion.
7608 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7609 global_live_at_start.
7610 (init_ready_list): New assertions.
7611 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7612 (new_ready): Add support for BEGIN_CONTROL speculation.
7613 (schedule_insns): Fixed code that updates register live information
7614 to handle EBBs.
7615 (schedule_region): Fixed to handle EBBs.
7616 (init_regions): Use extend_regions and check_dead_notes1.
7617 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7618 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7619 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7620 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7621 TARGET_SCHED_GEN_CHECK,
7622 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7623 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7624 * doc/invoke.texi (max-sched-insn-conflict-delay,
7625 sched-spec-prob-cutoff): Document.
7627 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7629 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7630 inter_tick, queue_index.
7631 (struct sched_info): Change signature of init_ready_list field.
7632 Adjust all initializations.
7633 (RESOLVED_DEPS): New access macro.
7634 (ready_add): Remove prototype.
7635 (try_ready): Add prototype.
7636 * sched-rgn.c (init_ready_list): Use try_ready.
7637 (schedule_region): Initialize
7638 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7639 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7640 (init_ready_list): Use try_ready.
7641 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7642 * lists.c (remove_list_elem): Remove `static'.
7643 (remove_free_INSN_LIST_elem): New function.
7644 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7645 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7646 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7647 New constants.
7648 (readyp): New variable.
7649 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7650 change_queue_index, resolve_dep): New static functions.
7651 (try_ready): New function. Adjust callers in sched-rgn.c and
7652 sched-ebb.c to use it instead of ready_add.
7653 (clock_var): Move at the begining of file.
7654 (rank_for_schedule): Fix typo.
7655 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7656 (ready_lastpos): Enforce assertion.
7657 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7658 update all callers.
7659 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7660 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7661 (queue_to_ready): Use free_INSN_LIST_list.
7662 (early_queue_to_ready): Fix typo.
7663 (schedule_block): Init readyp. Move init_ready_list call after the
7664 initialization of clock_var. Fix error in rejecting insn by
7665 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7666 that previously corrected INSN_TICKs. Add code for handling
7667 QUEUE_INDEX.
7668 (set_priorities): Fix typo.
7669 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7670 Clarify comment and code that keeps current_sched_info->next_tail
7671 non-null.
7673 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7675 * sched-rgn.c (extend_rgns): New static function.
7676 (find_rgns): Use it.
7677 (gather_region_statistics, print_region_statistics): New static
7678 functions.
7679 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7680 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7682 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7683 Andrey Belevantsev <abel@ispras.ru>
7685 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7686 * lists.c (unused_deps_list): New variable.
7687 (free_list): Add assertions to verify the proper distinguishing
7688 between INSN_LISTs and DEPS_LISTs.
7689 (find_list_elem, remove_list_elem, remove_list_node): New static
7690 functions.
7691 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7692 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7693 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7694 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7695 an INSN_LIST.
7696 (free_INSN_LIST_node): Likewise.
7697 * modulo-sched.c (current_sched_info): Initialize flags field.
7698 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7699 * rtl.def (DEPS_LIST): Define.
7700 * rtl.h: Declare new functions from lists.c.
7701 * sched-deps.c (spec_dependency_cache): New static variable.
7702 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7703 (add_dependence): Change return type to void. Move the logic to ...
7704 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7705 (delete_all_dependences): Add comment about forward_dependency_cache.
7706 Handle spec_dependency_cache. Handle DEPS_LISTs.
7707 (fixup_sched_groups): Clarify the change of priority of output
7708 and anti dependencies.
7709 (sched_analyze_2): Adjust add_dependence calls to create data
7710 speculative dependence.
7711 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7712 Adjust all callers. Handle DEPS_LISTS.
7713 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7714 presence of speculation.
7715 (init_dependency_caches, free_dependency_caches):
7716 Handle spec_dependency_cache.
7717 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7718 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7719 New static functions.
7720 (add_or_update_back_dep, add_or_update_back_forw_dep,
7721 add_back_forw_dep, delete_back_forw_dep): New functions.
7722 * sched-int.h (ds_t, dw_t): New typedefs.
7723 (struct sched_info): Add new field flags.
7724 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7725 Prototype new sched-deps.c functions.
7726 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7727 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7728 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7729 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7730 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7731 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7732 New constants.
7733 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7734 New enums.
7735 * sched-rgn.c (current_sched_info): Initialize flags field.
7736 (schedule_insns): Initialize current_sched_info before the sched_init
7737 call.
7738 * sched-ebb.c (current_sched_info): Initialize flags field.
7739 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7740 Call add_or_update_back_dep instead of add_dependence.
7741 Create control speculative dependencies.
7742 (schedule_insns): Initialize current_sched_info before the sched_init
7743 call.
7745 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7747 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7748 fs->signal_frame.
7749 (sh_fallback_frame_state): Likewise.
7751 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7753 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7754 Do switch on default_use_cxa_atexit.
7755 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7756 * config/darwin-crt3.o: New.
7757 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7758 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7759 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7760 OS version.
7761 * config/rs6000/t-darwin: Move crt2.o building to here.
7762 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7763 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7764 of __cxa_atexit.
7766 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7768 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7769 from '! xxx' to '!xxx' for coding-style conformance.
7770 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7771 (EXTRA_CONSTRAINT): Likewise.
7772 * config/vax/vax.md (four unnamed insns): Likewise.
7774 2006-03-15 Paul Brook <paul@codesourcery.com>
7776 * config/arm/arm.c (minipool_pad): New.
7777 (add_minipool_forward_ref): Include pool alignment padding in address
7778 calculation.
7779 (push_minipool_fix): Set minipool_pad.
7780 (minipool_pad): Ditto.
7782 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7784 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7785 instead of GET_CODE() == MEM and REG_P() instead of
7786 GET_CODE() == REG.
7787 (print_operand_address): Likewise.
7788 (vax_address_cost): Likewise.
7789 (vax_rtx_costs): Likewise.
7790 (vax_notice_update_cc): Likewise.
7791 (vax_output_int_add): Likewise.
7792 (INDEX_REGISTER_P): Likewise.
7793 (BASE_REGISTER_P): Likewise.
7794 (nonindexed_address_p): Likewise.
7795 (vax_mode_dependent_address_p): Likewise.
7796 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7797 (PRINT_OPERAND): Likewise.
7798 * config/vax/vax.md (ashlsi3): Likewise.
7799 (ashlsi3): Likewise.
7800 (some more unnamed insns): Likewise.
7802 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7804 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7805 iterator-style macro.
7806 (mark_control_dependent_edges_necessary): Update the use of
7807 EXECUTE_IF_CONTROL_DEPENDENT.
7809 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7811 * config/sh/predicates.md (cache_address_operand): Special.
7812 (ua_address_operand): Likewise.
7814 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7816 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7817 loop notes.
7818 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7820 2006-03-15 Andreas Schwab <schwab@suse.de>
7822 * gensupport.c (identify_predicable_attribute): Don't free p_false
7823 when it is still in use.
7825 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7827 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7828 the default setting here.
7830 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7832 * tree-pass.h (pass_cfg): Remove.
7833 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7834 * passes.c (pass_cfg): Don't run it.
7836 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7838 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
7839 * reg-stack.c (stack_regs_mentioned_data): Change the type to
7840 VEC(char,heap) *.
7841 (stack_regs_mentioned): Update the uses of
7842 stack_regs_mentioned_data. Don't access the array beyond its
7843 end.
7844 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
7845 Don't include gt-reg-stack.h.
7847 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
7848 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
7850 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
7852 PR middle-end/26684
7853 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
7854 STACK_REGS.
7856 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7858 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
7860 2006-03-14 Richard Guenther <rguenther@suse.de>
7862 PR tree-optimization/26672
7863 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
7864 SSA form.
7866 2006-03-14 Richard Guenther <rguenther@suse.de>
7868 PR tree-optimization/26667
7869 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
7870 node for the callees. Always allow inlining if it will shrink
7871 the function size.
7873 2006-03-14 Richard Guenther <rguenther@suse.de>
7875 PR middle-end/26659
7876 * builtins.c (get_pointer_alignment): Prefer alignment
7877 information from decls over that from types.
7879 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
7881 PR target/26657
7882 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
7884 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
7886 * config/rs6000/rs6000.opt (mdlmzb): New option.
7887 (msched-prolog, msched-epilog): Use Var not Mask.
7888 * doc/invoke.texi (-mdlmzb): Document.
7889 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
7890 MASK_SCHED_PROLOG.
7891 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
7892 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
7894 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
7896 PR rtl-optimization/25739
7897 * bt-load.c (augment_live_range): Free tos pointer.
7899 * gensupport.c (identify_predicable_attribute): Free
7900 p_false pointer.
7901 * gcov.c (create_file_names): Free name pointer.
7903 2006-03-13 Roger Sayle <roger@eyesopen.com>
7905 PR middle-end/26557
7906 * stmt.c (emit_case_nodes): Handle the case where the index is a
7907 CONST_INT, where the comparison mode is specified by the index type.
7909 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7911 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
7912 is defined.
7914 2006-03-13 Richard Sandiford <richard@codesourcery.com>
7916 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
7917 (*branch_fp_inverted): Likewise.
7919 2006-03-13 Jakub Jelinek <jakub@redhat.com>
7921 PR middle-end/25989
7922 * omp-low.c (expand_omp_for_generic): Mark istart0
7923 and iend0 as addressable.
7925 2006-03-13 Jie Zhang <jie.zhang@analog.com>
7927 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
7929 2006-03-13 Jeff Law <law@redhat.com>
7931 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
7932 virtual operands are interesting.
7933 (vrp_visit_stmt): Corresponding changes.
7935 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
7937 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
7938 of RETS.
7939 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
7940 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
7941 * config/bfin/crti.S: Use it instead of __PIC__.
7942 * config/bfin/crtn.S: Likewise.
7944 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
7945 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
7946 not if flag_pic.
7947 Lose 'G' modifier for call operand.
7948 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
7949 recognize 'G' modifier.
7951 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
7953 PR middle-end/18859
7954 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
7955 * stmt.c (expand_case): Likewise.
7957 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7959 PR rtl-optimization/26254
7960 * loop-invariant.c (seq_insns_valid_p): New function.
7961 (move_invariant_reg): Only emit new code if it is valid.
7963 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7965 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
7966 Removed.
7967 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
7968 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
7969 (commit_one_edge_insertion): Do not look for loop notes.
7971 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7973 * jump.c (follow_jumps): Do not check for loop notes. Move check for
7974 flag_test_coverage out of loop.
7976 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7978 * final.c (shorten_branches): Remove outdated comment, and turn
7979 the if branch that guards it to continue.
7981 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
7983 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
7984 * cfgloop.h (struct loop): Remove unused fields.
7986 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
7988 * doc/invoke.texi (-fdump-rtl-loop): Remove.
7989 (-dL, -fdump-rtl-loop2): Update the dump file names
7991 * doc/invoke.texi: Update dump file names.
7993 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
7995 * predict.c (estimate_probability): Remove.
7996 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
7997 * basic-block.h (estimate_probability): Remove prototype.
7998 * passes.c (finish_optimization_passes): Dump branch prediction or
7999 profiling heuristics to the .profile tree dump.
8000 (init_optimization_passes): Unqueue pass_branch_prob.
8002 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8004 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8006 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8007 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8009 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8011 * function.h (frame_offset_overflow): Declare.
8012 * function.c (frame_offset_overflow): New function.
8013 (assign_stack_local_1): Call it to detect that the offset overflows.
8014 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8016 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8018 * config/sh/sh.c: Include alloc-pool.h.
8019 (label_ref_list_pool): New alloc pool.
8020 (label_ref_list_t): New type for lists of labels.
8021 (struct pool_node): Make wend a label_ref_list_t.
8022 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8023 references.
8024 (dump_table): Likewise.
8025 (sh_reorg): Set up the alloc pool before using add_constant and
8026 dump_table, and destroy it when finishing.
8028 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8030 * config/mips/mips.c: Remove redundant comment.
8032 2006-03-10 Jason Merrill <jason@redhat.com>
8034 PR c/26004
8035 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8036 the target was declared 'register'.
8038 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8040 * genpreds.c (write_insn_constraint_len): Change definition of
8041 insn_constraint_len to return size_t to match the declaration.
8043 2006-03-10 DJ Delorie <dj@redhat.com>
8045 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8046 start at zero.
8047 (m32c_expand_insv): Fix test for an AND mask.
8049 2006-03-10 Richard Guenther <rguenther@suse.de>
8051 PR middle-end/26565
8052 * builtins.c (get_pointer_alignment): Handle component
8053 references for field alignment.
8055 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8057 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8058 when building with libgloss.
8059 (sh*elf): Implement --without-fp option.
8060 (sh64-superh-linux*): Don't multilib.
8062 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8064 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8066 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8068 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8069 Set it when one of the replacement functions returned true.
8070 Return TODO_cleanup_cfg if cfgchanged is true.
8071 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8073 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8075 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8076 instead of gen_lowpart.
8078 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8080 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8081 interface.
8082 (mips_output_order_conditional_branch): Declare.
8083 * config/mips/mips.h (MIPS_BRANCH): New macro.
8084 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8085 for the comparison. Use gen_condjump.
8086 (mips_output_conditional_branch): Rework interface to take the
8087 asm templates for a direct branch and the inverse of a direct branch.
8088 (mips_output_order_conditional_branch): New function.
8089 (mips_builtin_branch_and_move): New function.
8090 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8091 branch condition. Use gen_single_cc as the condition for
8092 __builtin_mips_upper_* or __builtin_mips_lower_*.
8093 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8094 Use VOIDmode for the branch condition.
8095 * config/mips/predicates.md (order_operator): New predicate.
8096 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8097 (branch_fp): Rename to...
8098 (*branch_fp): ...this. Remove mode from comparison operator.
8099 Use new mips_output_conditional_branch interface.
8100 (branch_fp_inverted): Rename to...
8101 (*branch_fp_inverted): ...this and update as for *branch_fp.
8102 (*branch_zero<mode>): Rename to...
8103 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8104 Use mips_output_order_conditional_branch. Only accept ordered
8105 comparisons.
8106 (*branch_zero<mode>_inverted): Rename to...
8107 (*branch_order<mode>_inverted): ...this and update as for
8108 *branch_order<mode>.
8109 (*branch_equality<mode>): Accept zero as the second operand to
8110 the equality operator. Use the new mips_output_conditional_branch
8111 interface.
8112 (*branch_equality<mode>_inverted): Likewise.
8113 (condjump): New expander.
8114 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8115 operator.
8116 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8117 (bc1any2t, bc1any2f): Likewise.
8118 (single_cc): New expander.
8119 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8121 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8123 * doc/md.texi: Update documentation of MIPS constraints.
8124 * config/mips/constraints.md: New file.
8125 * config/mips/mips.md: Include it.
8126 * config/mips/mips.c (mips_char_to_class): Delete.
8127 (override_options): Don't initialize mips_char_to_class.
8128 * config/mips/mips.h (mips_char_to_class): Delete.
8129 (REG_CLASS_FROM_LETTER): Delete.
8130 (CONST_OK_FOR_LETTER_P): Delete.
8131 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8132 (EXTRA_CONSTRAINT_Y): Delete.
8133 (EXTRA_CONSTRAINT_STR): Delete.
8134 (CONSTRAINT_LEN): Delete.
8135 (EXTRA_MEMORY_CONSTRAINT): Delete.
8137 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8139 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8140 original fn's eh regions.
8142 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8144 * fold-const.c (build_range_check): Make sure to use a valid type to
8145 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8146 transformation.
8148 (range_predecessor): New static function.
8149 (range_successor): Likewise.
8150 (merge_ranges): Use them to compute predecessors and successors of
8151 range bounds.
8153 2006-03-09 Roger Sayle <roger@eyesopen.com>
8155 PR middle-end/26561
8156 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8157 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8159 2006-03-08 DJ Delorie <dj@redhat.com>
8161 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8162 (addpsi3): Expand to include memory operands. Remove
8163 reload-specific splits.
8164 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8165 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8166 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8167 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8168 (shift1_qi, shift1_hi, insv): New.
8169 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8170 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8171 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8172 cond_to_int): New.
8173 * config/m32c/m32c-protos.h: Update as needed.
8174 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8175 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8176 Fail for unrecognized R* constraints.
8177 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8178 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8179 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8180 Add Sp constraint.
8181 (m32c_init_libfuncs): New.
8182 (m32c_legitimate_address_p): Add debug wrapper.
8183 (m32c_rtx_costs): New.
8184 (m32c_address_cost): New.
8185 (conversions): Add 'B' prefix.
8186 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8187 operands, or word regnames for QI operands. 'B' prints bit
8188 position.
8189 (m32c_expand_setmemhi): New.
8190 (m32c_expand_movmemhi): New.
8191 (m32c_expand_movstr): New.
8192 (m32c_expand_cmpstr): New.
8193 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8194 (m32c_expand_neg_mulpsi3): Handle non-ints.
8195 (m32c_cmp_flg_0): New.
8196 (m32c_expand_movcc): New.
8197 (m32c_expand_insv): New.
8198 (m32c_scc_pattern): New.
8199 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8200 a0/a1 out of SIregs.
8201 (STORE_FLAG_VALUE): New.
8202 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8203 code macros.
8204 (no_insn): New.
8205 * config/m32c/mov.md: Make constraints more liberal.
8206 (zero_extendqihi2): Optimize r0/r1 case.
8207 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8208 * config/m32c/predicates.md (m32c_any_operand): New.
8209 (m32c_nonimmediate_operand): New.
8210 (m32c_hl_operand): New.
8211 (m32c_r3_operand): New.
8212 (ap_operand): New.
8213 (ma_operand): New.
8214 (memsym_operand): New.
8215 (memimmed_operand): New.
8216 (a_qi_operand): New.
8217 (m32c_eqne_operator): New.
8218 (m32c_1bit8_operand): New.
8219 (m32c_1bit16_operand): New.
8220 (m32c_1mask8_operand): New.
8221 (m32c_1mask16_operand): New.
8222 * config/m32c/blkmov.md: New file.
8223 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8225 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8227 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8228 unsigned to fix signed/unsigned comparison issue in
8229 DWARF2_FRAME_REG_OUT.
8230 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8231 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8233 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8234 of ptr into the ENABLE_CHECKING section.
8236 2006-03-08 Jeff Law <law@redhat.com>
8238 * tree-vrp.c (infer_value_range): Only count pointer uses
8239 and dereferences if -fdelete-null-pointer-checks is enabled.
8241 * tree-vrp.c (find_assert_locations): Infer value ranges for
8242 single use pointers, but do not create ASSERT_EXPRs for them.
8243 When a non-null range is inferred for a pointer, backwards
8244 propagate that range to other equivalent pointers through the
8245 use-def chain.
8247 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8249 PR bootstrap/26500
8250 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8251 language hook targets.
8252 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8253 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8254 if language hook targets were missing.
8256 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8258 * tree-ssa-opfinalize.h: Removed.
8259 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8260 dependency.
8261 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8262 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8263 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8264 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8265 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8266 finalize_ssa_v_must_def_ops): New.
8268 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8270 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8271 block as parameter.
8273 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8275 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8277 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8278 addresses with offsets; reorganize.
8280 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8281 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8282 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8284 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8286 PR target/26588
8287 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8289 2006-03-08 Ben Elliston <bje@au.ibm.com>
8291 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8293 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8295 PR gomp/26238
8296 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8297 expansion.
8299 2006-03-07 Richard Guenther <rguenther@suse.de>
8301 PR tree-optimization/26587
8302 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8304 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8306 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8308 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8310 * hooks.c (hook_bool_mode_rtx_true): New function.
8311 * hooks.h (hook_bool_mode_rtx_true): Declare.
8312 * toplev.c (compile_file): Call output_shared_constant_pool.
8313 * varasm.c (shared_constant_pool): New variable.
8314 (assemble_start_function, assemble_end_function): Remove arguments
8315 from call to output_constant_pool.
8316 (create_constant_pool): New function, split out from...
8317 (init_varasm_status): ...here.
8318 (force_const_mem): Choose between the shared and per-function constant
8319 pools. Set current_function_uses_const_pool when reusing old entries
8320 as well as when creating new ones.
8321 (mark_constant): Ignore data argument.
8322 (mark_constants): Remove pool argument.
8323 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8324 to decide whether the function uses a constant pool.
8325 (output_constant_pool_contents): New function, split out from...
8326 (output_constant_pool): ...here.
8327 (output_shared_constant_pool): New function.
8328 (init_varasm_once): Initialize shared_constant_pool.
8329 * output.h (output_constant_pool): Delete.
8330 (output_shared_constant_pool): Declare.
8331 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8332 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8334 2006-03-06 Nick Clifton <nickc@redhat.com>
8336 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8337 flag_strength_reduce.
8339 2006-03-06 Ben Elliston <bje@au.ibm.com>
8341 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8342 x86_64-*-linux* configurations.
8344 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8345 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8347 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8349 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8350 Remove.
8351 * basic-block.h: Remove the extern for
8352 rediscover_loops_after_threading.
8354 * cfgloop.c (cancel_loop): Make it static.
8355 * cfgloop.h: Remove the prototype for cancel_loop.
8357 * flow.c (recompute_reg_usage): Make it static.
8358 * rtl.h: Remove the prototype for recompute_reg_usage.
8360 * function.c (use_return_register): Make it static.
8361 * function.h: Remove the prototype.
8363 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8365 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8366 Remove.
8367 * recog.h: Remove the prototype for
8368 validate_change_maybe_volatile.
8370 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8372 * rtlanal.c (replace_reg): Remove.
8373 * rtl.h: Remove the prototype for replace_reg.
8375 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8377 * regclass.c (reg_scan_update): Remove.
8378 (reg_scan_mark_refs): Remove the last argument.
8379 * rtl.h: Remove the prototype for reg_scan_update.
8381 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8383 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8384 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8385 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8386 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8387 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8388 loop-invariant.c, omp-low.c, opts.c, passes.c,
8389 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8390 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8391 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8392 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8393 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8394 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8396 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8398 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8399 * dwarf2out.h: Remove the prototype for
8400 dwarf2out_add_library_unit_info.
8402 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8404 * tree.c (add_var_to_bind_expr): Remove.
8405 * tree.h: Remove the prototype for add_var_to_bind_expr.
8407 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8409 * regclass.c (n_non_fixed_regs): Remove.
8410 (init_reg_sets_1, globalize_reg): Remove all uses of
8411 n_non_fixed_regs.
8412 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8414 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8416 * rtlanal.c (insns_safe_to_move_p): Remove.
8417 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8419 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8421 * expmed.c (expand_mult_add): Remove.
8422 * expr.h: Remove the prototype for expand_mult_add.
8424 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8426 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8427 and REG_SAVED_VAL_EXP constants.
8428 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8429 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8430 Handle regs stored by value.
8431 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8432 (execute_cfa_program): Handle DW_CFA_val_offset,
8433 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8434 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8435 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8436 (uw_install_context_1): Handle target regs stored by value.
8438 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8440 * tree-sra.c (tree_sra): Return todoflags;
8441 (generate_one_element): Set TODO_update_smt_usage if needed.
8442 (pass_sra): Remove TODO_update_smt_usage.
8443 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8444 parameter.
8445 (tree_ssa_forward_propagate_single_use_vars): Return
8446 TODO_update_smt_usage if we need to update SMT usage.
8447 (pass_forwprop): Remove TODO_update_smt_usage.
8449 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8451 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8452 (correct_use_link): Remove reference to get_stmt_operands.
8453 (update_stmt_operands): Likewise.
8454 (get_modify_expr_operands): New function factored out of
8455 parse_ssa_operands and get_expr_operands.
8456 Try to create V_MUST_DEFs for LHS by default.
8457 (get_expr_operands) <case MODIFY_EXPR>: Call
8458 get_modify_expr_operands.
8459 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8460 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8461 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8462 get_modify_expr_operands.
8464 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8466 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8467 * tree-flow.h: Remove the prototype for
8468 referenced_var_lookup_if_exists.
8470 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8472 PR rtl-optimization/26345
8473 PR target/19061
8474 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8476 2006-03-03 Roger Sayle <roger@eyesopen.com>
8478 PR tree-optimization/26524
8479 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8480 fold_convert to create a constant of the appropriate type.
8482 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8484 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8485 SYMBOL_REF_IN_BLOCK_P.
8486 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8487 of SYMBOL_FLAG_IN_BLOCK.
8488 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8489 instead of SYMBOL_REF_IN_BLOCK_P.
8490 * explow.c (use_anchored_address): Likewise.
8491 * rtl.c (rtx_size): Likewise.
8492 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8493 instead of SYMBOL_FLAG_IN_BLOCK.
8494 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8495 SYMBOL_REF_IN_BLOCK_P.
8496 (assemble_variable): Likewise.
8497 (output_constant_def_contents): Likewise.
8498 (output_constant_pool): Likewise.
8499 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8500 instead of SYMBOL_FLAG_IN_BLOCK.
8501 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8502 SYMBOL_REF_IN_BLOCK_P.
8503 (SYMBOL_REF_BLOCK): Likewise.
8504 (SYMBOL_REF_OFFSET): Likewise.
8505 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8506 SYMBOL_REF_IN_BLOCK_P.
8507 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8508 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8509 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8510 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8512 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8514 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8516 2006-03-02 Roger Sayle <roger@eyesopen.com>
8518 * simplify-rtx.c (simplify_unary_operation): When simplifying
8519 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8520 that we perform the right shift in the appropriate mode, and
8521 then extend or truncate the result to requested mode.
8523 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8525 * gengtype.c (main): Handle double_int type.
8526 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8527 * double-int.c: New file.
8528 * double-int.h: New file.
8529 * system.h: Include doubleint.h.
8530 * Makefile.in (SYSTEM_H): Include double-int.h.
8531 (double-int.o): Add.
8533 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8535 PR bootstrap/26478
8536 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8537 copying over it.
8539 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8541 * tree-vrp.c (remove_range_assertions): Do not update statements
8542 unnecessarily.
8544 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8546 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8547 cleanup.
8548 * gcse.c (rest_of_handle_gcse): Ditto.
8549 * except.c (gate_handle_eh): Ditto.
8550 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8551 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8553 2006-03-02 Eric Christopher <echristo@apple.com>
8555 * config/i386/i386.c (machopic_output_stub): Add indirection to
8556 jump.
8558 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8560 * loop.c: Removed.
8562 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8564 Sun Niagara specific optimizations.
8565 * config.gcc: Recognize niagara as target.
8566 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8567 (TARGET_CPU_niagara): Define.
8568 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8569 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8570 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8571 (ASM_CPU_SPEC): Likewise.
8572 (PROCESSOR_NIAGARA): New enum entry.
8573 (REGISTER_MOVE_COST): Handle Niagara.
8574 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8575 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8576 (sparc_override_options): Recognize "niagara", set appropriate
8577 default MASK_* values for it, and align functions to 32-bytes
8578 by default just like ULTRASPARC/ULTRASPARC3.
8579 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8580 (sparc64_initialize_trampoline): Likewise.
8581 (sparc_use_sched_lookahead): Use zero for niagara.
8582 (sparc_issue_rate): Use one for niagara.
8583 * config/sparc/niagara.md: New file.
8584 * config/sparc/sparc.md: Include it.
8585 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8586 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8587 when default cpu is niagara.
8588 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8589 (ASM_CPU_SPEC): Likewise.
8590 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8591 when default cpu is niagara.
8592 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8593 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8594 just like v9/ultrasparc/ultrasparc3.
8595 * doc/invoke.texi: Add documentation for "niagara" and improve
8596 existing documentation for ultrasparc variants.
8598 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8600 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8602 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8604 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8605 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8606 and say that only one is needed.
8607 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8608 * target.h (have_switchable_bss_sections): New hook.
8609 * explow.c (use_anchored_address): Check that the symbol is in a block.
8610 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8611 (bss_noswitch_section): New variables.
8612 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8613 (get_noswitch_section): New function.
8614 (get_block_for_section): Allow SECT to be null.
8615 (unlikely_text_section_p): Use SECTION_STYLE.
8616 (bss_initializer_p): New function.
8617 (get_variable_section): Move earlier in file. Take a new argument,
8618 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8619 Return one of the new *_sections in such cases.
8620 (get_block_for_decl): New function, extracting some logic from
8621 use_blocks_for_decl_p.
8622 (change_symbol_section): Remove in favor of...
8623 (change_symbol_block): ...this new function.
8624 (use_blocks_for_decl_p): Remove checks now performed by
8625 get_block_for_decl.
8626 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8627 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8628 (emit_local, emit_bss, emit_common): ...these new functions.
8629 Return true if the alignment was honored.
8630 (emit_tls_common): New function.
8631 (asm_emit_uninitialised): Delete.
8632 (assemble_variable_noswitch): New function, split out from...
8633 (assemble_variable): ...here. Don't make decisions about common
8634 variables here. Globalize all public decls that go into non-common
8635 sections. Check whether SYMBOL_REF_BLOCK is null.
8636 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8637 (output_constant_pool): Likewise.
8638 (init_varasm_once): Initialize the new section variables.
8639 (have_global_bss_p): New function.
8640 (categorize_decl_for_section): Use bss_initializer_p.
8641 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8642 (place_block_symbol): Assert that the symbol must be in a block.
8643 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8644 (TARGET_INITIALIZER): Include it.
8645 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8646 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8647 (SECTION_MACH_DEP): Bump by two.
8648 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8649 (unnamed_section): Mention SECTION_UNNAMED in comment.
8650 (named_section): Likewise SECTION_NAMED.
8651 (noswitch_section_callback): New type.
8652 (noswitch_section): New structure.
8653 (section): Add a noswitch_section alternative.
8654 (SECTION_STYLE): New macro.
8655 (tls_comm_section, comm_section, lcomm_section): Declare.
8656 (bss_noswitch_section, have_global_bss_p): Declare.
8657 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8658 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8659 Override.
8660 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8661 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8662 Override.
8664 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8666 * tree-vrp.c (execute_vrp): Return value.
8667 * regrename.c (rest_of_handle_regrename): Ditto.
8668 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8669 * tree-complex.c (tree_lower_complex): Ditto.
8670 (tree_lower_complex_O0): Ditto.
8671 * tracer.c (rest_of_handle_tracer): Ditto.
8672 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8673 * postreload.c (rest_of_handle_postreload): Ditto.
8674 * tree-tailcall.c (execute_tail_recursion): Ditto.
8675 (execute_tail_calls): Ditto.
8676 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8677 * tree.h (init_function_for_compilation): Ditto.
8678 * ipa-cp.c (ipcp_driver): Ditto.
8679 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8680 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8681 * final.c (compute_alignments): Ditto.
8682 (rest_of_handle_final): Ditto.
8683 (rest_of_handle_shorten_branches): Ditto.
8684 (rest_of_clean_state): Ditto.
8685 * omp-low.c (execute_expand_omp): Ditto.
8686 (execute_lower_omp): Ditto.
8687 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8688 * ipa-reference.c (static_execute): Ditto.
8689 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8690 * reorg.c (rest_of_handle_delay_slots): Ditto.
8691 (rest_of_handle_machine_reorg): Ditto.
8692 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8693 * flow.c (recompute_reg_usage): Ditto.
8694 (rest_of_handle_remove_death_notes): Ditto.
8695 (rest_of_handle_life): Ditto.
8696 (rest_of_handle_flow2): Ditto.
8697 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8698 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8699 (do_ssa_store_ccp): Ditto.
8700 (execute_fold_all_builtins): Ditto.
8701 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8702 * modulo-sched.c (rest_of_handle_sms): Ditto.
8703 * ipa-pure-const.c (static_execute): Ditto.
8704 * cse.c (rest_of_handle_cse): Ditto.
8705 (rest_of_handle_cse2): Ditto.
8706 * web.c (rest_of_handle_web): Ditto.
8707 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8708 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8709 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8710 * tree-nrv.c (tree_nrv): Ditto.
8711 (execute_return_slot_opt): Ditto.
8712 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8713 (create_structure_vars): Ditto.
8714 * loop-init.c (rtl_loop_init): Ditto.
8715 (rtl_loop_done): Ditto.
8716 (rtl_move_loop_invariants): Ditto.
8717 (rtl_unswitch): Ditto.
8718 (rtl_unroll_and_peel_loops): Ditto.
8719 (rtl_doloop): Ditto.
8720 * gimple-low.c (lower_function_body): Ditto.
8721 (mark_used_blocks): Ditto.
8722 * tree-ssa-sink.c (execute_sink_code): Ditto.
8723 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8724 (cgraph_early_inlining): Ditto.
8725 * global.c (rest_of_handle_global_alloc): Ditto.
8726 * jump.c (cleanup_barriers): Ditto.
8727 (purge_line_number_notes): Ditto.
8728 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8729 (rest_of_handle_if_after_reload): Ditto.
8730 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8731 (tree_ssa_loop_im): Ditto.
8732 (tree_ssa_loop_unswitch): Ditto.
8733 (tree_vectorize): Ditto.
8734 (tree_linear_transform): Ditto.
8735 (tree_ssa_loop_ivcanon): Ditto.
8736 (tree_ssa_empty_loop): Ditto.
8737 (tree_ssa_loop_bounds): Ditto.
8738 (tree_complete_unroll): Ditto.
8739 (tree_ssa_loop_prefetch): Ditto.
8740 (tree_ssa_loop_ivopts): Ditto.
8741 (tree_ssa_loop_done): Ditto.
8742 * predict.c (tree_estimate_probability): Ditto.
8743 * recog.c (split_all_insns_noflow): Ditto.
8744 (rest_of_handle_peephole2): Ditto.
8745 (rest_of_handle_split_all_insns): Ditto.
8746 * tree-eh.c (lower_eh_constructs): Ditto.
8747 * regmove.c (rest_of_handle_regmove): Ditto.
8748 (rest_of_handle_stack_adjustments): Ditto.
8749 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8750 * function.c (instantiate_virtual_regs): Ditto.
8751 (init_function_for_compilation): Ditto.
8752 (rest_of_handle_check_leaf_regs): Ditto.
8753 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8754 (rest_of_handle_gcse): Ditto.
8755 * ipa-type-escape.c (type_escape_execute): Ditto.
8756 * alias.c (rest_of_handle_cfg): Ditto.
8757 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8758 * profile.c (rest_of_handle_branch_prob): Ditto.
8759 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8760 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8761 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8762 * tree-dfa.c (find_referenced_vars): Ditto.
8763 * except.c (set_nothrow_function_flags): Ditto.
8764 (convert_to_eh_region_ranges): Ditto.
8765 (rest_of_handle_eh): Ditto.
8766 * emit-rtl.c (unshare_all_rtl): Ditto.
8767 (remove_unnecessary_notes): Ditto.
8768 * except.h (set_nothrow_function_flags): Ditto.
8769 (convert_to_eh_region_ranges): Ditto.
8770 * cfgexpand.c (tree_expand_cfg): Ditto.
8771 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8772 * tree-ssa-pre.c (do_pre): Ditto.
8773 (execute_fre): Ditto.
8774 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8775 (rest_of_handle_jump2): Ditto.
8776 * tree-sra.c (tree_sra): Ditto.
8777 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8778 (execute_mudflap_function_decls): Ditto.
8779 * tree-ssa-copy.c (do_copy_prop): Ditto.
8780 (do_store_copy_prop): Ditto.
8781 * ipa-prop.h (ipcp_driver): Ditto.
8782 * cfglayout.c (insn_locators_initialize): Ditto.
8783 * tree-ssa-forwprop.c
8784 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8785 * cfglayout.h (insn_locators_initialize): Ditto.
8786 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8787 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8788 (execute_late_warn_uninitialized): Ditto.
8789 * rtl.h (cleanup_barriers): Ditto.
8790 (split_all_insns_noflow): Ditto.
8791 (purge_line_number_notes): Ditto.
8792 (unshare_all_rtl): Ditto.
8793 (remove_unnecessary_notes): Ditto.
8794 (recompute_reg_usage): Ditto.
8795 (variable_tracking_main): Ditto.
8796 * integrate.c (emit_initial_value_sets): Ditto.
8797 * integrate.h (emit_initial_value_sets): Ditto.
8798 * tree-optimize.c (execute_free_datastructures): Ditto
8799 (execute_free_cfg_annotations): Ditto.
8800 (execute_fixup_cfg): Ditto.
8801 (execute_cleanup_cfg_pre_ipa): Ditto.
8802 (execute_cleanup_cfg_post_optimizing): Ditto.
8803 (execute_init_datastructures): Ditto.
8804 * tree-object-size.c (compute_object_sizes): Ditto.
8805 * combine.c (rest_of_handle_combine): Ditto.
8806 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8807 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8808 (rest_of_handle_reorder_blocks): Ditto.
8809 (rest_of_handle_partition_blocks): Ditto.
8810 * var-tracking.c (variable_tracking_main): Ditto.
8811 * tree-profile.c (tree_profiling): Ditto.
8812 * tree-vect-generic.c (expand_vector_operations): Ditto.
8813 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8814 * sched-rgn.c (rest_of_handle_sched): Ditto.
8815 (rest_of_handle_sched2): Ditto.
8816 * basic-block.h (free_bb_insn): Ditto.
8817 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8818 * tree-cfg.c (execute_build_cfg): Ditto.
8819 (remove_useless_stmts): Ditto.
8820 (split_critical_edges): Ditto.
8821 (execute_warn_function_return): Ditto.
8822 (execute_warn_function_noreturn): Ditto.
8823 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8824 * cfgrtl.c (free_bb_for_insn): Ditto.
8825 * passes.c (execute_one_pass): Run additional
8826 todos returned by execute function.
8827 * tree-pass.h (struct tree_opt_pass): Make execute
8828 return a value.
8830 2006-03-02 Richard Guenther <rguenther@suse.de>
8832 * tree-ssa-alias.c (find_used_portions): Consider taking
8833 the address as making the variable not write-only.
8835 2006-03-02 Nick Clifton <nickc@redhat.com>
8837 * config.gcc (default_use_cxa_atexit): Extend the description of
8838 this configure variable. Set its default value to "yes" for
8839 Linux, NetBSD and ELF targets on the assumption that they will
8840 use C libraries with the __cxa_atexit function.
8842 2006-03-02 Ben Elliston <bje@au.ibm.com>
8844 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
8845 parameter as unused to suppress a build warning.
8847 2006-03-02 Ben Elliston <bje@au.ibm.com>
8849 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
8850 config/dfp-bit.c.
8852 2006-03-01 Roger Sayle <roger@eyesopen.com>
8854 PR other/26489
8855 * gthr-posix.h (__gthrw2): Define to take three parameters, the
8856 declared name, the weak reference name, and the typeof name.
8857 (__gthrw): Avoid expanding the declared name suffix.
8858 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
8860 2006-03-01 Jakub Jelinek <jakub@redhat.com>
8862 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
8863 from DWARF 3.
8864 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
8865 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
8866 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
8867 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
8868 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
8869 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
8870 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
8871 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
8872 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
8873 DW_DS_leading_separate, DW_DS_trailing_separate): New.
8874 (DW_END_default, DW_END_big, DW_END_little): New.
8875 (DW_END_lo_user, DW_END_hi_user): Define.
8876 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
8877 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
8878 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
8879 DW_LANG_D): New.
8881 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8883 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
8884 Update all users.
8885 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
8886 Update all users.
8887 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
8888 Update all users.
8889 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
8890 Update all users.
8891 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
8892 to 'symbol_mem_tag'.
8893 Update all users.
8894 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
8895 rename.
8897 2006-03-01 Roger Sayle <roger@eyesopen.com>
8899 * builtins.c (fold_builtin_copysign): Delete unreachable code.
8901 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8903 PR target/25761
8904 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
8905 MACHO_DYNAMIC_NO_PIC_P.
8906 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
8908 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8910 PR target/26389
8911 * config/darwin-protos.h (darwin_asm_output_anchor):
8912 Declare.
8913 * config/darwin-sections.def (cstring_section):
8914 Add SECTION_MERGE to the flags.
8915 (literal4_section): Likewise.
8916 (literal8_section): Likewise.
8917 (objc_selector_refs_section): Likewise.
8918 (objc_cls_refs_section): Likewise.
8919 * config/darwin.c (darwin_asm_output_anchor): New
8920 function.
8921 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
8923 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
8925 Fix PR tree-optimization/26443
8926 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
8927 to todo and PROP_tmt_usage to properties_destroyed.
8928 * tree-ssa-ccp.c (pass_ccp): Ditto.
8929 (pass_store_ccp): Ditto.
8930 * tree-ssa-dom.c (pass_dominator): Ditto.
8932 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8934 * tree-ssa-operands.c: Cleanup whitespace.
8935 (get_asm_expr_operands): Move before first invocation.
8936 (get_indirect_ref_operands): Likewise.
8937 (get_tmr_operands): Likewise.
8938 (get_call_expr_operands): Likewise.
8939 (append_def): Likewise.
8940 (append_use): Likewise.
8941 (append_v_may_def): Likewise.
8942 (append_v_must_def): Likewise.
8943 (add_call_clobber_ops): Likewise.
8944 (add_call_read_ops): Likewise.
8945 (add_stmt_operand): Likewise.
8946 (add_virtual_operand): Likewise.
8947 (build_ssa_operands): Likewise.
8949 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
8951 PR middle-end/26022
8952 Revert:
8953 PR middle-end/24437
8954 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8955 with a call expr to ...
8956 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8958 2006-03-01 Diego Novillo <dnovillo@redhat.com>
8960 * tree-vrp.c (extract_range_from_assert): Remove special
8961 handling for types with super-types.
8963 2006-03-01 Ben Elliston <bje@au.ibm.com>
8965 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
8966 and powerpc64-*-linux* configurations.
8967 * config/t-dfprules: New file.
8969 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
8970 Compile dfp-bit.c from the source directory using -DWIDTH and
8971 $DFP_CFLAGS to control the compilation of that file, rather than
8972 generating width-specific versions in the build directory.
8973 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
8974 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
8976 2006-02-28 Zack Weinberg <zackw@panix.com>
8978 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
8979 continues to work.
8981 2006-02-28 Eric Christopher <echristo@apple.com>
8983 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
8984 Set up IN_LIBGCC definition of TARGET_64BIT.
8985 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
8987 2006-02-28 Roger Sayle <roger@eyesopen.com>
8989 PR middle-end/14752
8990 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
8991 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
8992 cases via the construction of "expr != 0".
8994 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
8996 * alias.c (alias_invariant, alias_invariant_size): Remove.
8997 (record_base_value): Remove.
8998 (memrefs_conflict_p): Don't look at alias_invariant.
8999 (end_alias_analysis): Don't free it.
9000 * alias.h (record_base_value): Remove prototype.
9002 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9003 Adam Nemet <anemet@caviumnetworks.com>
9005 * rtl.h (truncated_to_mode): Declare it.
9006 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9007 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9008 (RTL_HOOKS_INITIALIZER): Include it.
9009 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9010 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9011 reg_truncated_to_mode.
9012 * rtlanal.c (truncated_to_mode): Define it.
9013 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9015 2006-02-28 Jeff Law <law@redhat.com>
9017 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9018 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9019 the range allowed by TYPE_PRECISION.
9021 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9023 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9025 PR tree-optimization/26419
9026 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9027 values of n.
9029 2006-02-27 Zack Weinberg <zackw@panix.com>
9031 * doc/md.texi: Fix typo in previous change.
9033 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9035 * df.c: Remove.
9037 2006-02-27 Zack Weinberg <zackw@panix.com>
9039 * rtl.def (define_constraint, define_register_constraint)
9040 (define_memory_constraint, define_address_constraint): New MD forms.
9041 * gensupport.c (process_rtx): Put define_constraint etc on the
9042 predicate queue.
9043 * genpreds.c (process_define_predicate): Adjust comment. Validate
9044 the name, and call validate_exp to validate the expression.
9045 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9046 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9047 all callers changed.
9048 (validate_exp, needs_variable, struct constraint_data)
9049 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9050 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9051 (const_dbl_constraints, constraint_max_namelen)
9052 (have_register_constraints, have_memory_constraints)
9053 (have_address_constraints, have_address_constraints)
9054 (have_extra_constraints, have_const_int_constraints)
9055 (have_const_dbl_constraints, mangle, add_constraint)
9056 (process_define_constraint, process_define_register_constraint)
9057 (write_enum_constraint_num, write_lookup_constraint)
9058 (write_insn_constraint_len, write_regclass_for_constraint)
9059 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9060 (write_insn_extra_memory_constraint)
9061 (write_insn_extra_address_constraint)
9062 (write_satisfies_constraint_fns): New.
9063 (write_tm_preds_h): If we have new-style constraint definitions,
9064 prototype the functions generated from them, and define the
9065 old constraint interface (still used by generic code) in terms of
9066 those functions.
9067 (write_insn_preds_c): If we have new-style constraint definitions,
9068 generate all relevant functions from those definitions.
9069 (main): Handle define_constraint etc.
9070 * genoutput.c (struct constraint_data, indep_constraints)
9071 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9072 (mdep_constraint_len): New data structures and functions, defined
9073 #ifdef USE_MD_CONSTRAINTS.
9074 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9075 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9076 use new logic to validate operand constraints against constraint
9077 definitions.
9078 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9079 defined.
9080 * defaults.h: If none of the old-style constraint macros are
9081 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9082 old-style macros; and poison REG_CLASS_FROM_LETTER,
9083 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9084 EXTRA_CONSTRAINT.
9085 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9086 * doc/md.texi: Document new constraint-definition mechanism and the
9087 C interface it provides. Remove references to old mechanism
9088 elsewhere in the document.
9089 (Machine Constraints): Use pathnames relative to gcc directory,
9090 i.e. config/ARCH/FILE. Change i386 section to refer to
9091 config/i386/predicates.md; update that section to match docstrings.
9092 * doc/tm.texi: Move all documentation of the old constraint-
9093 definition macros to their own section, clearly mark as obsolete.
9095 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9096 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9097 definitions.
9098 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9099 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9100 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9101 constraint strings.
9102 (splits and peepholes): Use satisfies_constraint_*.
9103 * config/i386/i386.c (memory_address_length)
9104 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9106 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9108 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9109 scalar operation to be put back into the loop.
9111 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9113 PR other/26208
9114 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9115 (extract_cie_info): Handle S flag in augmentation string.
9116 (execute_cfa_program): If context->signal_frame, execute also
9117 fs->pc == context->ra instructions.
9118 (uw_frame_state_for): If context->signal_frame, don't subtract one
9119 from context->ra to find FDE.
9120 (uw_update_context_1): Set context->signal_frame to
9121 fs->signal_frame.
9122 (_Unwind_GetIPInfo): New function.
9123 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9124 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9125 of _Unwind_GetIP.
9126 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9127 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9128 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9129 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9130 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9131 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9132 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9133 x86_64_fallback_frame_state): Set fs->signal_frame.
9134 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9135 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9136 (frob_update_context): Likewise. Workaround missing S flag in
9137 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9138 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9139 Remove the psw_addr + 1 hack.
9141 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9143 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9144 with aggregates here.
9145 (find_func_aliases): Remove code for &<aggregate> from here.
9147 2006-02-26 Roger Sayle <roger@eyesopen.com>
9149 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9150 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9151 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9152 as (X & C) ne/eq 0.
9154 2006-02-26 Roger Sayle <roger@eyesopen.com>
9156 PR middle-end/19983
9157 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9159 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9161 * opts.c (decode_options): Do not handle flag_strength_reduce.
9162 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9163 and OPT_fstrength_reduce.
9164 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9165 flag_prefetch_loop_arrays for being nonzero.
9166 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9167 no-ops.
9168 (fprefetch-loop-arrays-rtl): Removed.
9169 (flag_prefetch_loop_arrays): Do not specify the value.
9171 * doc/passes.texi: Update documentation of loop optimizer
9172 passes.
9173 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9174 -frerun-loop-opt): Remove.
9176 2006-02-26 Richard Guenther <rguenther@suse.de>
9178 PR tree-optimization/26421
9179 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9180 in function calls that are ADDR_EXPRs as using the whole structure.
9182 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9184 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9185 * tree-pass.h (pass_loop_optimize): Remove.
9186 * passes.c (pass_loop_optimize): Never run it.
9187 * toplev.c (backend_init): Don't call init_loop.
9188 * opts.c (flag_loop_optimize_set): Remove.
9189 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9190 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9191 the old RTL loop optimizer when profiling enabled.
9192 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9193 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9194 pre-headers for the sake of the old RTL loop optimizer.
9195 * Makefile.in: Remove all references to loop.o.
9197 * doc/invoke.texi: Remove all references to -floop-optimize
9198 and -frerun-loop-opt.
9200 2006-02-26 Zack Weinberg <zackw@panix.com>
9202 * doc/md.texi (Machine Constraints): Refer to all files with paths
9203 relative to gcc directory (i.e. config/CPU/file). Add missing
9204 @table @code ... @end table to M32C subsection.
9206 2006-02-26 Roger Sayle <roger@eyesopen.com>
9208 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9209 (X & 1) == 0.
9210 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9212 2006-02-26 Roger Sayle <roger@eyesopen.com>
9213 James A. Morrison <phython@gcc.gnu.org>
9215 PR middle-end/21137
9216 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9217 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9218 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9219 signedness of the shift operation.
9221 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9223 PR tree-optimization/26359
9224 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9226 2006-02-25 Roger Sayle <roger@eyesopen.com>
9228 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9229 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9230 as X == 0, and some symmetry related transformations.
9231 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9233 2006-02-25 Roger Sayle <roger@eyesopen.com>
9235 PR middle-end/23673
9236 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9237 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9238 symmetry related transformations. Fold (X^C1) == C2 as
9239 X == (C1^C2).
9241 2006-02-25 Juergen Weigert <jw@suse.de>
9242 Richard Guenther <rguenther@suse.de>
9244 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9246 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9248 * combine.c (gen_lowpart_or_truncate): Call
9249 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9251 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9253 * doc/invoke.texi: Move -fopenmp description to "Options for
9254 Code Generation".
9255 Remove reference to -lgomp.
9257 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9259 * doc/install.texi: Require GNU tar version 1.14.
9261 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9263 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9264 * doc/invoke.texi (C++ Dialect Options): Document
9265 -fno-use-cxa-get-exception-ptr.
9266 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9267 * configure: Regenerate.
9268 * c.opt (fuse-cxa-get-exception-ptr): New.
9269 * c-opts.c (c_common_handle_option): Handle
9270 OPT_fuse_cxa_get_exception_ptr.
9271 * c-common.c (flag_use_cxa_atexit): Update documentation.
9272 (flag_use_cxa_get_exception_ptr): New.
9273 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9274 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9275 documentation.
9276 (C_COMMON_OVERRIDE_OPTIONS): New.
9278 2006-02-24 Roger Sayle <roger@eyesopen.com>
9280 PR middle-end/24952
9281 * combine.c (try_combine): Explicitly check whether GET_CODE is
9282 a SET or a CLOBBER, instead on checking that it isn't a USE.
9284 2006-02-24 Roger Sayle <roger@eyesopen.com>
9286 * fold-const.c (fold_comparison): New subroutine of fold_binary
9287 containing transformations common to both the equality and
9288 ordering relational operators, factored out of fold_binary.
9289 (fold_binary): Separate out the equality operators (EQ_EXPR
9290 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9291 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9292 transformations common to both.
9293 (fold_div_compare): Fix latent bugs in the previously unreachable
9294 LT_EXPR and GE_EXPR cases.
9296 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9298 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9299 decl libname for clog to __clog on AIX.
9301 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9303 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9305 PR target/26453
9306 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9307 output traceback table for thunks. Localise rs6000_stack_info call.
9309 2006-02-23 Roger Sayle <roger@eyesopen.com>
9310 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9312 * gthr-posix.h (__gthrw): Fix typo in comment.
9314 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9316 * doc/cpp.texi (Character sets): Document that we do support
9317 input files to be in any character set.
9319 2006-02-23 Jeff Law <law@redhat.com>
9321 * tree.h (PHI_ARG_NONZERO): Remove.
9322 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9323 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9324 node to the new node.
9326 PR tree-optimization/26425
9327 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9328 min/max, then assume its varying.
9330 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9332 PR rtl-optimization/26316
9333 * rtlanal.c (enum may_trap_p_flags): New.
9334 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9335 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9336 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9337 (may_trap_after_code_motion_p): New function.
9338 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9339 (find_invariant_insn): Use may_trap_after_code_motion_p.
9340 * rtl.h (may_trap_after_code_motion_p): Declare.
9342 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9344 * emit-rtl.c (immed_double_const): Cleanup.
9346 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9348 Fix PR tree-optimization/26376
9349 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9350 remove assert.
9352 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9354 PR middle-end/26412
9355 * gimplify.c (omp_add_variable): Guard variable size decl test with
9356 DECL_SIZE (decl) check.
9358 2006-02-23 Richard Guenther <rguenther@suse.de>
9360 PR middle-end/26439
9361 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9362 like aggregate types.
9364 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9366 * configure.ac: Add --with{,out}-long-double-128 configure option.
9367 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9368 * configure: Rebuilt.
9369 * config.in: Rebuilt.
9370 * doc/install.texi (Options specification): Document
9371 --with-long-double-128.
9373 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9374 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9375 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9376 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9378 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9380 * config/s390/s390.c (override_options): Handle
9381 TARGET_DEFAULT_LONG_DOUBLE_128.
9383 * config/alpha/alpha.c (override_options): Handle
9384 TARGET_DEFAULT_LONG_DOUBLE_128.
9386 * config/sparc/sparc.c (sparc_override_options): Handle
9387 TARGET_DEFAULT_LONG_DOUBLE_128.
9389 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9391 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9392 (real-install-headers-tar, real-install-headers-cpio)
9393 (real-install-headers-cp): New targets.
9395 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9397 * tree.h (variable_section): Delete.
9398 * varasm.c (variable_section): Delete.
9400 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9402 * install.texi: Add notes on install.texi2html.
9403 (Building in parallel): Do not use footnotes.
9405 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9407 PR libgomp/26234
9408 * doc/install.texi (Configuration): Document --disable-libgomp.
9410 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9412 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9414 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9416 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9417 (vec_extractv2df_0_sse): New.
9419 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9421 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9422 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9423 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9424 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9425 to the result of the expression.
9426 (def_cfa_1): Adjust.
9427 (frame_pointer_cfa_offset): Rename to...
9428 (frame_pointer_fb_offset): ... this. Adjust all uses.
9429 (convert_cfa_to_loc_list): Rename to...
9430 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9431 Pass it on to build_cfa_loc.
9432 (compute_frame_pointer_to_cfa_displacement): Rename to...
9433 (compute_frame_pointer_to_fb_displacement): ... this. New
9434 offset parameter. Use it in computation.
9435 (gen_subprogram_die): Compute cfa_fb_offset with the new
9436 macro, and use it to compute the fb loc list and the
9437 displacement.
9439 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9441 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9442 replaced with register_operand.
9443 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9444 non-DREG is expensive.
9445 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9446 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9447 involving memory.
9449 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9451 * doc/install.texi2html: Use set -e.
9453 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9455 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9456 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9457 * doc/invoke.texi (-fshared-data): Delete.
9458 * common.opt (fshared-data): Delete.
9459 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9460 (assemble_static_space): Remove #if 0 code.
9461 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9462 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9463 * config/cris/cris.h: Remove FIXME.
9465 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9467 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9468 hooks.
9470 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9472 PR middle-end/26379
9473 * combine.c (simplify_shift_const_1): Disable nested shifts
9474 optimization for vector shifts.
9476 2006-02-20 Roger Sayle <roger@eyesopen.com>
9478 PR tree-optimization/26361
9479 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9480 of unsigned integer types.
9482 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9484 * tree-chrec.c (eq_evolutions_p): New.
9485 * tree-chrec.h (eq_evolutions_p): Declared.
9486 * tree-data-ref.c: Fix formatting.
9487 (datadep_stats, dependence_stats): New.
9488 (gcd): Moved...
9489 (print_direction_vector): New.
9490 (dump_data_dependence_relation): Use print_direction_vector.
9491 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9492 (compute_subscript_distance): Static.
9493 (initialize_data_dependence_relation): Static. Get the number
9494 of loops surrounding the references from the callers, and initialize
9495 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9496 base_object_differ_p analyzers.
9497 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9498 compute_overlap_steps_for_affine_1_2,
9499 analyze_subscript_affine_affine): Count the classified dependences.
9500 Print a message when a test failed.
9501 (can_use_analyze_subscript_affine_affine): New.
9502 (analyze_siv_subscript): Compute the data dependences on symbolic
9503 scevs that verify can_use_analyze_subscript_affine_affine.
9504 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9505 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9506 Handle symbolic scevs.
9507 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9508 analyzed.
9509 (subscript_dependence_tester): Moved...
9510 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9511 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9512 DDR_SIZE_VECT instead of getting it in parameter.
9513 (subscript_dependence_tester): ... here. Take as a parameter
9514 loop_nest_depth. Call build_classic_dist_vector and
9515 build_classic_dir_vector.
9516 (compute_affine_dependence): Update subscript_dependence_tester
9517 parameters. Update datadep_stats counters. Call
9518 compute_subscript_distance.
9519 (compute_self_dependence): Save the dist and dir vectors. Call
9520 compute_subscript_distance.
9521 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9522 (compute_all_dependences): Reorder parameters as they were before
9523 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9524 compute_subscript_distance. Update the use of
9525 compute_affine_dependence and initialize_data_dependence_relation.
9526 (find_data_references_in_loop): Handle COMPONENT_REF.
9527 (compute_data_dependences_for_loop): Initialize dependence_stats.
9528 Don't call build_classic_dist_vector and build_classic_dir_vector.
9529 Update the parameters of initialize_data_dependence_relation and
9530 compute_all_dependences. Print the statistics from datadep_stats.
9531 (analyze_all_data_dependences): Static. Not used until the pass for
9532 checking the data dependences is contributed.
9533 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9534 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9535 (initialize_data_dependence_relation, compute_affine_dependence,
9536 analyze_all_data_dependences, compute_subscript_distance): Removed.
9537 (print_direction_vector): New.
9538 * lambda.h (gcd): ... here.
9539 (lambda_vector_gcd): Moved here from gcd_vector.
9540 * lambda-code.c (gcd, gcd_vector): Removed.
9541 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9542 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9544 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9546 * ipa-type-escape.c: Tidy some comments and white space.
9547 * tree-ssa-operands.c: Likewise.
9549 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9551 PR tree-opt/25879
9552 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9553 (dump_decl_name): Do not walk the decl tree chains.
9554 * tree-pass.h (TDF_CHAIN): Remove.
9556 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9558 * Makefile.in (C): Remove
9559 (PROTO): Remove
9560 (.PHONY): Remove C and PROTO
9562 2006-02-20 Roger Sayle <roger@eyesopen.com>
9564 PR middle-end/26236
9565 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9566 deprecated CHAR_TYPE tree code.
9568 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9570 * configure.ac (target_list): Add install-info, dvi, html.
9571 * configure: Regenerate.
9573 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9574 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9575 treelang/Make-lang.in: Do not use double-colon rules.
9577 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9579 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9580 (TMT_USED_ALONE): New macro.
9581 * tree-pass.h (PROP_tmt_usage): New property.
9582 (TODO_update_tmt_usage): New todo.
9583 * tree-ssa-alias.c (updating_used_alone): New variable.
9584 (recalculate_used_alone): New function.
9585 (compute_may_aliases): Set updating_used_alone, call
9586 recalculate_used_alone.
9587 * tree-sra.c (pass_sra): Note that this pass destroys
9588 PROP_tmt_usage, and add TODO_update_tmt_usage.
9589 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9590 * tree-flow.h (updating_used_alone): Prototype.
9591 (recalculate_used_alone): Ditto.
9592 * passes.c (execute_todo): Add code to set updating_used_alone,
9593 and call recalculate.
9594 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9595 for clobber if used alone, and add assert to verify used_alone
9596 status.
9598 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9600 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9601 for non tls symbols added.
9602 (legitimize_address): Do nothing for PLUS expressions if one of the
9603 addends is a tls symbol reference.
9605 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9607 PR bootstrap/25476
9609 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9611 * Makefile.in (BOOTSTRAPPING): New.
9612 (quickstrap): New definition if BOOTSTRAPPING=yes.
9614 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9615 * configure.ac: Substitute all_selected_languages with the languages
9616 that were configured. For all the other variables except
9617 lang_specs_files, include all the languages in the tree.
9618 * configure: Regenerate.
9620 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9621 if there is one. Run the commands to run fixincludes in the same
9622 subshell.
9624 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9625 * doc/install.texi: Document exact conventions for searching target tools.
9626 Document --with-build-time-tools. Document toplevel bootstrap. Document
9627 something more about building an Ada cross-compiler. Don't list GNU Make
9628 requirements which affect all platforms.
9630 2006-02-19 Roger Sayle <roger@eyesopen.com>
9632 PR middle-end/19543
9633 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9634 only equivalent if the have both the same mode and precision.
9636 2006-02-20 Ben Elliston <bje@au.ibm.com>
9638 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9640 2006-02-19 Roger Sayle <roger@eyesopen.com>
9641 Steven Bosscher <stevenb.gcc@gmail.com>
9643 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9644 constant pool references to identify stack mode constants.
9645 * rtlanal.c (constant_pool_constant_p): New predicate to check
9646 whether operand is a floating point constant in the pool.
9647 * rtl.h (constant_pool_constant_p): Prototype here.
9648 * loop.c (scan_loop): Avoid hoisting constants from the constant
9649 pool on STACK_REGS targets.
9650 (load_mems): Likewise.
9651 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9652 loads into x87 registers expensive in terms of register pressure.
9654 2006-02-19 Roger Sayle <roger@eyesopen.com>
9656 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9657 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9659 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9661 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9662 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9664 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9666 * doc/invoke.texi: Document -fipa-pta.
9667 * common.opt: Add ipa-pta option.
9668 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9669 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9670 (do_ds_constraint): Ditto.
9671 (get_constraint_for): Only add to referenced_vars if
9672 referenced_vars exists.
9673 (insert_into_field_list): Rewrite to do this unsorted.
9674 (insert_into_field_list_sorted): Rename old insert_into_field_list
9675 to this.
9676 (create_function_info_for): Use insert_into_field_list_sorted.
9677 (create_variable_info_for): Rewrite so it uses unsorted version,
9678 since the field list is sorted.
9679 (intra_create_variable_infos): Only add to referenced_vars if
9680 referenced_vars exists.
9681 (ipa_pta_execute): Init heapvars, and delete when done.
9682 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9684 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9686 * doc/install.texi: Add missing `@samp'.
9688 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9690 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9691 Use the arguments.
9693 2006-02-18 Mark Wielaard <mark@klomp.org>
9695 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9696 who added new 4.1 features, bug fixes and integration support.
9698 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9700 PR target/26350
9701 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9702 MEM for ABI_V4 pic.
9704 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9706 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9707 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9708 (copy_insn_1): Likewise. Don't copy each field individually.
9709 Reindent.
9710 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9711 of RTX_SIZE.
9712 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9713 * rtl.c (rtx_size): Rename variable to...
9714 (rtx_code_size): ...this.
9715 (rtx_size): New function.
9716 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9717 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9718 Reindent.
9719 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9720 * rtl.h (rtx_code_size): New variable.
9721 (rtx_size): Change from a variable to a function.
9722 (RTX_SIZE): Rename to...
9723 (RTX_CODE_SIZE): ...this.
9725 PR target/9703
9726 PR tree-optimization/17106
9727 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9728 (Anchored Addresses): New section.
9729 * doc/invoke.texi (-fsection-anchors): Document.
9730 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9731 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9732 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9733 * hooks.c (hook_bool_mode_rtx_false): New function.
9734 * hooks.h (hook_bool_mode_rtx_false): Declare.
9735 * gengtype.c (create_optional_field): New function.
9736 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9737 SYMBOL_REF_IN_BLOCK_P is true.
9738 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9739 (min_anchor_offset, max_anchor_offset): Likewise.
9740 (use_anchors_for_symbol_p): New hook.
9741 * toplev.c (compile_file): Call output_object_blocks.
9742 (target_supports_section_anchors_p): New function.
9743 (process_options): Check that -fsection-anchors is only used on
9744 targets that support it and when -funit-at-a-time is in effect.
9745 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9746 if the decl doesn't have one.
9747 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9748 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9749 of force_const_mem through use_anchored_address.
9750 (expand_expr_constant): New function.
9751 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9752 calling expand_expr for INDIRECT_REF.
9753 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9754 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9755 * expr.h (use_anchored_address): Declare.
9756 * loop-unroll.c: Don't declare rtx vectors here.
9757 * explow.c: Include output.h.
9758 (validize_mem): Call use_anchored_address.
9759 (use_anchored_address): New function.
9760 * common.opt (-fsection-anchors): New switch.
9761 * varasm.c (object_block_htab, anchor_labelno): New variables.
9762 (hash_section, object_block_entry_eq, object_block_entry_hash)
9763 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9764 (use_blocks_for_decl_p, change_symbol_section): New functions.
9765 (get_variable_section): New function, split out from assemble_variable.
9766 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9767 use_blocks_for_decl_p say so. Use change_symbol_section if the
9768 symbol has already been created.
9769 (assemble_variable_contents): New function, split out from...
9770 (assemble_variable): ...here. Don't output any code for
9771 block symbols; just pass them to place_block_symbol.
9772 Use get_variable_section and assemble_variable_contents.
9773 (get_constant_alignment, get_constant_section, get_constant_size): New
9774 functions, split from output_constant_def_contents.
9775 (build_constant_desc): Create a block symbol if use_object_blocks_p
9776 says so. Or into SYMBOL_REF_FLAGS.
9777 (assemble_constant_contents): New function, split from...
9778 (output_constant_def_contents): ...here. Don't output any code
9779 for block symbols; just pass them to place_section_symbol.
9780 Use get_constant_section and get_constant_alignment.
9781 (force_const_mem): Create a block symbol if use_object_blocks_p and
9782 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9783 (output_constant_pool_1): Add an explicit alignment argument.
9784 Don't switch sections here.
9785 (output_constant_pool): Adjust call to output_constant_pool_1.
9786 Switch sections here instead. Don't output anything for block symbols;
9787 just pass them to place_block_symbol.
9788 (init_varasm_once): Initialize object_block_htab.
9789 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9790 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9791 (place_block_symbol, get_section_anchor, output_object_block)
9792 (output_object_block_htab, output_object_blocks): New functions.
9793 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9794 (TARGET_ASM_OUT): Include it.
9795 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9796 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9797 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9798 (TARGET_INITIALIZER): Include them.
9799 * rtl.c (rtl_check_failed_block_symbol): New function.
9800 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9801 (block_symbol, object_block): New structures.
9802 (rtx_def): Add a block_symbol field to the union.
9803 (BLOCK_SYMBOL_CHECK): New macro.
9804 (rtl_check_failed_block_symbol): Declare.
9805 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9806 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9807 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9808 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9809 * output.h (output_section_symbols): Declare.
9810 (object_block): Name structure.
9811 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9812 (default_use_anchors_for_symbol_p): Declare.
9813 * Makefile.in (RTL_BASE_H): Add vec.h.
9814 (explow.o): Depend on output.h.
9815 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9816 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9817 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9818 (rs6000_use_blocks_for_constant_p): New function.
9820 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9822 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9824 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9826 PR tree-opt/25680
9827 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9828 IMAGPART_EXPR.
9830 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9832 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9833 is_aliased.
9834 Update all users.
9836 2006-02-18 Jakub Jelinek <jakub@redhat.com>
9838 PR middle-end/26334
9839 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
9840 instead of DECL_REGISTER.
9842 2006-02-18 Olivier Hainque <hainque@adacore.com>
9844 PR ada/13408
9845 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
9847 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
9849 PR target/24837
9850 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
9851 * opth-gen.awk: Handle Var and InverseMask together.
9852 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
9853 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
9854 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
9855 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
9856 used together.
9857 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9858 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9859 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
9860 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9861 LINUX_DYNAMIC_LINKER): Define.
9862 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
9863 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
9864 TARGET_GLIBC.
9865 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9866 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
9867 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9869 (TARGET_C99_FUNCTIONS): Don't define.
9870 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
9871 GLIBC_DYNAMIC_LINKER.
9872 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
9873 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
9874 GLIBC_DYNAMIC_LINKER64): Define.
9875 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9876 LINUX_DYNAMIC_LINKER64.
9877 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9878 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9879 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
9880 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9881 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9882 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9883 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
9884 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
9885 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
9886 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
9887 and LINUX_DYNAMIC_LINKER32.
9888 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9889 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9890 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
9891 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9892 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
9893 TARGET_GLIBC.
9894 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
9895 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
9896 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
9897 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9898 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9899 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
9900 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
9901 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
9902 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9903 LINUX_DYNAMIC_LINKER): Define.
9904 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
9905 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
9906 GLIBC_DYNAMIC_LINKER64): Define.
9907 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
9908 LINUX_DYNAMIC_LINKER64.
9909 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9910 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9911 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
9912 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
9913 LINUX_DYNAMIC_LINKER): Define.
9914 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9915 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9916 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
9917 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
9918 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
9919 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
9920 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
9921 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
9922 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
9923 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
9924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
9925 * doc/invoke.texi (-muclibc): Remove caveat about supported
9926 targets.
9928 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9930 * doc/cpp.texi (__TIMESTAMP__): Document.
9932 2006-02-17 Roger Sayle <roger@eyesopen.com>
9934 PR middle-end/25600
9935 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
9936 C is one less than the width of X (and related transformations).
9937 * simplify-rtx.c (simplify_unary_operation_1): Transform
9938 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
9939 depending on STORE_FLAG_VALUE, were C is one less then the
9940 width of X.
9942 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
9944 Fix PR tree-optimization/26341
9945 * tree-ssa-operands.c (add_virtual_operand): Remove assert
9946 about NAME_MEMORY_TAG's.
9948 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9950 PR target/26255
9951 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
9952 with hardware float support, and software float support. Add fcpy
9953 alternative to hardware patterns. Add alternatives to copy between
9954 general and floating-point registers to the 32-bit pattern.
9955 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
9956 secondary reload to load a QI or HI mode constant into a floating
9957 point register.
9958 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
9959 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
9961 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
9963 PR target/26272
9964 * config/rs6000/darwin.md (load_macho_picbase_si): Add
9965 pc to the pattern.
9966 (load_macho_picbase_di): Likewise.
9968 2006-02-16 Jeff Law <law@redhat.com>
9970 * tree-vrp.c (set_value_range_to_nonnegative): New function.
9971 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
9972 (ssa_name_nonzero_p): Likewise.
9973 (get_value_range): Return NULL if VRP is not running.
9974 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
9975 VRP routines do not discover a range.
9976 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
9977 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
9978 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
9979 (tree_expr_nonnegative_p): Similarly.
9980 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
9981 (restore_nonzero_vars_to_original_value): Remove.
9982 (unsafe_associative_fp_binop): Remove.
9983 (tree_ssa_dominator_optimize): Remove initialization and
9984 finalization of nonzero_vars and nonzero_vars_stack.
9985 (dom_opt_initialize_block): No longer push marker on
9986 nonzero_vars_stack.
9987 (dom_opt_finalize_block): No longer call
9988 restore_nonzero_vars_to_original_value.
9989 (record_equivalences_from_phis): No longer look for
9990 nonzero PHI arguments.
9991 (cprop_into_successor_phis): No longer propagate nonzero
9992 property into PHI arguments. Lose unused argument. Caller
9993 updated.
9994 (record_equivalences_from_stmt): No longer record nonzero
9995 values for SSA_NAMEs.
9996 (lookup_avail_expr): No longer use nonzero_vars.
9998 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
9999 for sizetype when sizetype is unsigned.
10001 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10003 PR rtl-optimization/25603
10004 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10005 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10006 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10007 with new meaning of SETS.
10009 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10011 PR target/20353
10012 PR target/24578
10013 PR target/24837
10014 * config/linux.opt: New file.
10015 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10016 LINUX_DYNAMIC_LINKER): Define.
10017 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10018 * config.gcc (*-*-linux*): Define extra_options.
10019 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10020 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10021 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10022 GLIBC_DYNAMIC_LINKER.
10023 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10024 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10025 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10026 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10027 * doc/invoke.texi (GNU/Linux Options): New section.
10029 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10031 * config/sparc/sparc.md (setjmp): Rewrite.
10032 (setjmp_32): Delete.
10033 (setjmp_64): Likewise.
10035 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10037 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10038 previous change.
10040 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10042 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10043 read-write uses.
10045 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10047 PR rtl-optimization/26296
10048 * Makefile.in (loop-invariant.c): Add except.h dependency.
10049 * loop-invariant.c: Include except.h.
10050 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10052 2005-02-16 Paul Brook <paul@codesourcery.com>
10054 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10055 for reloads.
10057 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10059 PR rtl-optimization/25636
10060 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10061 when deciding whether an insn is an initializing insn.
10063 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10065 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10066 (tree_code_size): Ditto.
10067 * tree.h (struct tree_memory_tag): Remove parent_var.
10068 (struct tree_struct_field_tag): New.
10069 (SFT_OFFSET): New.
10070 (SFT_SIZE): New.
10071 (union tree_node): Add sft member.
10072 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10073 specially here.
10074 (create_sft): Add size and offset argument, set SFT_OFFSET and
10075 SFT_SIZE.
10076 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10077 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10078 * tree-flow-inline.h (get_subvar_at): Update for
10079 SFT_OFFSET/SFT_SIZE.
10080 (var_can_have_subvars): Ditto.
10081 (overlap_subvar): Ditto.
10082 * print-tree.c (print_node): Print out interesting things for
10083 SFT's.
10084 * tree-flow.h (struct subvar): Remove offset and size members.
10085 * tree-ssa-operands.c (get_expr_operands): Update for
10086 get_indirect_ref_operands changes.
10087 (get_indirect_ref_operands): Call add_virtual_operand instead of
10088 add_stmt_operand. Only recurse on base var if requested.
10089 (access_can_touch_variable): New function.
10090 (add_stmt_operand): Split virtual operand handling into ...
10091 (add_virtual_operand): Here. Add offset, size, and for_clobber
10092 arguments. Prune alias sets.
10093 (add_call_clobber_ops): Call add_virtual_operand.
10095 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10097 PR middle-end/26300
10098 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10100 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10101 than TREE_CODE as index into omp_clause_num_ops array.
10103 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10105 PR rtl-optimization/26184
10106 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10107 uses_of_defs.
10108 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10109 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10110 must_precede, must_follow and tobe_scheduled.
10112 PR other/26147
10113 * opts.c (common_handle_option): Free new_option pointer.
10114 * df-core.c (df_analyze): Free postorder pointer.
10116 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10118 * Makefile.in: Fix the examples about the use of stamps
10120 2006-02-15 Michael Matz <matz@suse.de>
10122 PR middle-end/22275
10124 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10125 influenced by maximum_field_alignment or DECL_PACKED.
10126 (update_alignment_for_field): Ditto.
10127 (place_field): Ditto.
10128 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10129 this behaviour.
10131 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10133 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10134 (debug_flow_info): Pass it.
10135 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10136 * bb-reorder.c (reorder_basic_blocks): Likewise.
10137 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10138 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10139 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10140 * gcse.c (gcse_main, bypass_jumps): Likewise.
10141 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10142 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10143 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10144 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10145 * rtl.h (dump_flow_info): Adjust prototype.
10146 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10147 * var-tracking.c (variable_tracking_main): Likewise.
10148 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10149 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10150 options.
10152 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10154 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10155 construction.
10157 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10159 PR tree-optimization/26209
10160 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10161 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10162 eh edges.
10163 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10165 2006-02-14 Roger Sayle <roger@eyesopen.com>
10167 PR middle-end/23670
10168 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10169 (X,Y) and the corresponding symmetry related transformations.
10170 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10171 (X,Y) and its symmetry related transformations.
10173 2006-02-14 Roger Sayle <roger@eyesopen.com>
10175 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10176 and GEU.
10178 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10180 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10182 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10184 PR bootstrap/26053
10185 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10186 support COMDAT group.
10187 * configure: Regenerate.
10189 2006-02-14 Roger Sayle <roger@eyesopen.com>
10191 PR middle-end/26279
10192 PR middle-end/26280
10193 PR middle-end/26283
10194 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10196 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10198 Fix PR tree-optimization/26260
10200 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10201 param.
10202 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10203 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10204 * tree-ssa-structalias.c (create_variable_info_for): Use
10205 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10207 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10209 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10210 Document.
10211 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10212 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10213 of the ending condition.
10214 * tree-ssa-loop-manip.c: Include params.h.
10215 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10216 tree_unroll_loop): New functions.
10217 * tree-pass.h (pass_loop_prefetch): Declare.
10218 * loop.c (rest_of_handle_loop_optimize): Test for
10219 -fprefetch-loop-arrays-rtl.
10220 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10221 * timevar.def (TV_TREE_PREFETCH): New timevar.
10222 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10223 pass_loop_prefetch): New.
10224 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10225 (cleanup_tree_cfg_loop): Call scev_reset.
10226 * common.opt (fprefetch-loop-arrays-rtl): Add.
10227 * tree-ssa-loop-prefetch.c: New file.
10228 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10229 (new_temp_expr_table): Initialize expr_vars.
10230 (free_temp_expr_table): Cleanup expr_vars.
10231 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10232 expressions from being merged into one.
10233 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10234 (struct tree_niter_desc): Add control, bound and cmp fields.
10235 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10236 Declare.
10237 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10238 (tree-cfgcleanup.o): Add SCEV_H dependency.
10239 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10240 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10242 2006-02-14 Richard Guenther <rguenther@suse.de>
10244 PR tree-optimization/26258
10245 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10246 in PHI argument processing.
10248 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10250 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10251 new expression in the requested machine mode.
10253 2006-02-13 Roger Sayle <roger@eyesopen.com>
10255 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10256 directly, instead let do_compare_rtx_and_jump handle this for us.
10257 * expr.c (expand_expr_real_1): Likewise.
10258 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10259 before do_jump_by_parts_greater.
10260 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10261 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10263 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10265 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10267 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10269 PR rtl-optimization/26235
10270 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10271 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10272 format.
10274 2006-02-13 Jeff Law <law@redhat.com>
10276 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10277 TRUTH_XOR_EPR.
10279 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10281 PR middle-end/26092
10282 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10283 twice if decl is a builtin. When trying again, call get_callee_fndecl
10284 first to verify it is still a builtin.
10286 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10288 * dwarf2out.c (base_type_die): Don't add AT_name here.
10289 (subrange_type_die): Don't add AT_name here.
10290 (modified_type_die): Rearrange code flow. Do add AT_name here.
10292 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10294 PR rtl-optimization/26247
10295 PR rtl-optimization/26248
10296 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10298 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10300 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10301 * config/fixtfdi.c: Likewise.
10302 * config/fixunstfdi.c: Likewise.
10303 * config/floatditf.c: Likewise.
10305 2006-02-13 Roger Sayle <roger@eyesopen.com>
10307 PR middle-end/24427
10308 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10309 into (X,C2) if C1 is a subset of the bits of C2. Transform
10310 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10311 (X&(C1&~C2))|C2.
10312 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10314 2006-02-13 Josh Conner <jconner@apple.com>
10316 PR target/25376
10317 * varasm.c (function_section): Check for section name before
10318 calling select_section on targets that define
10319 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10320 unlikely_text_section instead of hot_function_section if
10321 first_function_block_is_cold.
10323 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10325 PR middle-end/25335
10326 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10328 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10330 PR rtl-optimization/26222
10331 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10332 after tree->rtl expansion.
10333 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10334 before passing it to emit_move_insn.
10336 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10338 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10339 default.
10340 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10341 Clarify documentation.
10342 * c-common.h (warn_write_strings): Remove.
10343 * c-common.c (warn_write_strings): Likewise.
10344 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10345 default for C++.
10347 2006-02-12 Roger Sayle <roger@eyesopen.com>
10349 PR middle-end/25724
10350 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10351 (do_jump_parts_zero_rtx): New function renamed from
10352 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10353 (do_jump_parts_equality_rtx): New function split out from
10354 do_jump_parts_equality. Old implementation renamed as above.
10355 Call do_jump_parts_zero_rtx if either operand is zero.
10356 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10357 do all of the heavy lifting.
10358 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10359 calling either do_jump_by_parts_greater_rtx or
10360 do_jump_by_parts_equality_rtx.
10361 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10362 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10363 moved to do_compare_rtx_and_jump, call it directly.
10364 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10365 mode argument. Call do_compare_rtx_and_jump.
10366 (emit_case_nodes): Update calls to do_jump_if_equal.
10368 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10370 PR rtl-optimization/26225
10371 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10373 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10375 PR rtl-optimization/26232
10376 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10378 2006-02-11 Jason Merrill <jason@redhat.com>
10380 PR tree-opt/24365
10381 * tree-inline.c (declare_return_variable): Just don't use the
10382 modify target if it's a gimple complex reg and the return slot
10383 isn't.
10385 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10387 * doc/contrib.texi: Update my entry.
10389 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10391 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10393 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10395 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10396 expensive.
10398 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10400 * doc/invoke.texi (-floop-optimize2): Removed.
10401 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10402 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10403 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10404 * common.opt (floop-optimize2): Removed.
10405 (fmove-loop-invariants): Enabled by default.
10407 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10409 * tree-if-conv.c (combine_blocks): Free the result of
10410 get_loop_exit_edges.
10412 2006-02-10 Jeff Law <law@redhat.com>
10414 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10416 PR tree-optimization/26213
10417 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10418 loop trying to follow SSA_NAME_VALUE chains.
10420 2006-02-10 Richard Guenther <rguenther@suse.de>
10422 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10423 deal with structures that end in implicitly variable sized arrays.
10425 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10427 PR rtl-optimization/24762
10428 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10429 eh edges.
10431 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10433 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10434 (struct ivopts_data): Add regs_used field.
10435 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10436 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10437 instead of loop_data->regs_used;
10438 (free_loop_data): Do not free aux fields for loops.
10439 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10440 and tree_ssa_iv_optimize_finalize.
10442 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10444 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10446 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10448 PR target/26141
10449 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10450 computing the effective result type.
10452 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10454 PR inline-asm/16194
10455 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10456 (tree_overlaps_hard_reg_set): Declare.
10457 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10458 type and signature to match function type expected by walk_tree.
10459 (tree_overlaps_hard_reg_set): New function.
10460 (decl_conflicts_with_clobbers_p): Rename to:
10461 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10462 Use tree_overlaps_hard_reg_set. Changed caller.
10463 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10464 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10465 * cris.c (cris_md_asm_clobbers): Likewise.
10467 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10469 * reload1.c (emit_input_reload_insns): Delete code that tries to
10470 inherit using find_equiv_reg.
10472 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10474 * c-common.h (flag_const_strings): Don't declare.
10475 * c-common.c (flag_const_strings): Remove.
10476 * c.opt (fconst_strings): Remove.
10477 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10478 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10479 (c_common_init_options): Don't set flag_const_strings.
10480 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10482 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10484 * arm.md (tlobits_cbranch): New pattern.
10485 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10486 testing a single bit.
10488 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10490 PR tree-opt/26179
10491 * tree-ssa-pre.c (create_component_ref_by_pieces):
10492 Handle RETURN_DECL like VAR_DECL.
10494 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10496 PR middle-end/26134
10497 * fold-const.c (fold_indirect_ref_1): Fold
10498 "*(foo *)&complexfoo" to "__real__ complexfoo"
10499 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10501 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10503 * tree-flow-inline.h (var_can_have_subvars):
10504 Volatile variables should not have subvariables.
10506 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10508 PR 26180
10509 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10510 multiplying unsigned values.
10511 Tidy comments.
10513 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10515 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10517 2006-02-08 Jason Merrill <jason@redhat.com>
10519 PR c++/25979
10520 * tree.def: Elaborate on difference from MODIFY_EXPR.
10521 * doc/c-tree.texi (INIT_EXPR): Likewise.
10522 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10523 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10524 (gimplify_target_expr): Likewise.
10525 (gimplify_cond_expr): Remove target handling.
10526 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10527 (gimplify_expr): Clobber it here.
10528 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10529 Do return slot optimization if we have an INIT_EXPR.
10531 PR tree-opt/24365
10532 * tree-inline.c (declare_return_variable): Also clear
10533 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10535 PR c++/16405
10536 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10538 PR middle-end/22439
10539 * gimplify.c (gimplify_one_sizepos): Fix typo.
10541 2006-02-08 Jeff Law <law@redhat.com>
10543 PR tree-optimization/21417
10544 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10545 across a backedge if the control statement at the end of the
10546 block is data dependent on other statements in the same block.
10547 (record_temporary_equivalences_from_stmts): Remove over-conservative
10548 test for threading across backedges.
10550 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10551 control statement, handle all three special cases in the same
10552 manner as they all have the same desired solution. No longer
10553 special case edge flag updating when the post dominator is
10554 the exit block.
10556 2006-02-08 Roger Sayle <roger@eyesopen.com>
10558 * tree.def (CHAR_TYPE): Remove.
10559 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10560 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10561 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10562 (gen_string_type_die): Delete unreachable function.
10564 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10565 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10566 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10567 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10568 * builtins.c (type_to_class): Likewise.
10569 * fold-const.c (fold_convert, build_range_check,
10570 merge_ranges): Likewise.
10571 * expr.c (count_type_elements): Likewise.
10572 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10573 * stor-layout.c (layout_type): Likewise.
10574 * ipa-type-escape.c (type_to_consider): Likewise.
10575 * gimplify.c (omp_firstprivatize_type_sizes,
10576 gimplify_type_sizes): Likewise.
10577 * explow.c (promote_mode): Likewise.
10578 * tree-sra.c (is_sra_scalar_type): Likewise.
10579 * varasm.c (output_constant): Likewise.
10580 * tree-inline.c (remap_type_1): Likewise.
10581 * convert.c (convert_to_pointer, convert_to_real,
10582 convert_to_integer, convert_to_complex): Likewise.
10584 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10586 * df-scan.c (df_def_record_1): A set destination may
10587 be a parallel regardless of mode.
10589 2006-02-08 Roger Sayle <roger@eyesopen.com>
10591 PR target/22209
10592 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10593 * config/mips/_tilib.c: Remove.
10594 * config/fixtfdi.c: New libgcc source file.
10595 * config/fixunstfdi.c: New source file.
10596 * config/floatditf.c: New source file.
10597 * config/floatunditf.c: New souce file.
10598 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10599 files above instead of config/mips/_tilib.c.
10600 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10602 2006-02-08 Jeff Law <law@redhat.com>
10604 PR tree-optimization/26169
10605 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10606 threading jumps.
10608 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10610 * df.h (DF_REG_SIZE): Return the length of the initialized
10611 part of the array.
10613 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10615 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10616 __muldf3): Return a correctly signed zero.
10618 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10620 * passes.c (register_one_dump_file): Accept the current properties
10621 instead of pass number. Adjust call to dump_register. Remove
10622 duplicated code.
10623 (register_dump_files): Now a wrapper around...
10624 (register_dump_files_1): ... this one. Do not modify the pass
10625 structure.
10626 (next_pass_1): Cosmetic fix.
10627 (execute_todo): Keep second parameter only. Use curr_properties
10628 instead of fetching it from the pass structure. Check and set
10629 last_verified.
10630 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10631 instead of fetching it from the pass structure. Fix calls to
10632 execute_todo. Update curr_properties and initialize .vcg RTL dump
10633 after running the pass. Reset last_verified.
10634 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10635 at the beginning.
10636 (FIRST_AUTO_NUMBERED_DUMP): New.
10637 (dump_register): Remove "num" parameter, assign it within the
10638 function.
10639 (get_dump_file_name): Modify template for dumps.
10640 * tree-dump.h (dump_register): Adjust prototype.
10641 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10642 (PROP_trees): Add PROP_gimple_lomp.
10643 (TODO_set_props): New.
10644 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10645 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10646 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10648 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10650 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10651 (sparc64-*-linux*): Likewise.
10652 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10653 * config/sparc/t-linux: New file.
10654 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10655 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10656 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10657 -m32 -mlong-double-128.
10659 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10660 * config/alpha/t-linux: New file.
10661 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10663 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10664 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10665 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10666 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10667 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10668 (CPP_ARCH32_SPEC): Remove.
10670 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10672 PR tree-optimization/26145
10673 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10674 bbs pointer.
10676 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10678 PR target/26109
10679 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10680 >= 240000 when generating code for SOM runtime.
10681 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10682 to $$dyncall when generating code for SOM runtime..
10684 2006-02-07 Dirk Mueller <dmueller@suse.com>
10686 PR c++/18150
10687 * doc/invoke.texi (-Wsequence-point): Update documentation
10688 that -Wsequence-point is implemented for C++ as well.
10690 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10692 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10693 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10694 (LIB_SPEC): Likewise.
10695 * doc/invoke.texi (SPARC options): Document -pthread.
10697 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10699 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10700 PIC addresses.
10702 2006-02-07 Roger Sayle <roger@eyesopen.com>
10704 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10705 Correct comment describing BOOLEAN_TYPE.
10707 2006-02-07 Dirk Mueller <dmueller@suse.com>
10709 * c.opt: C++ frontend supports -Wdiv-by-zero.
10710 * c-opts.c (c_common_handle_option): Remove dead case.
10712 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10714 * configure.ac (TLS assembler check): Do not enable TLS by
10715 default on SPARC/Solaris before version 10.
10716 * configure: Regenerate.
10718 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10720 * doc/invoke.texi (xl-compat): Document conversion and support
10721 routine names.
10723 2006-02-07 Jeff Law <law@redhat.com>
10725 * tree-vrp.c (find_conditional_asserts): Update comments.
10726 (simplify_stmt_for_jump_threading): New.
10727 (identify_jump_threads, finalize_jump_threads): New.
10728 (vrp_finalize): Call identify_jump_threads.
10729 (execute_vrp): Call finalize_jump_threads.
10730 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10731 (vrp_element, vrp_data, vrp_element_p): Remove.
10732 (vrp_hash_elt, vrp_variables_stack): Remove.
10733 (vrp_hash, vrp_eq, record_range): Remove.
10734 (simplify_cond_and_lookup_avail_expr): Remove.
10735 (extract_range_from_cond): Remove.
10736 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10737 (simplify_stmt_for_jump_threading): New.
10738 (dom_thread_across_edge): New wrapper.
10739 (tree_ssa_dominator_optimize): No longer initialize or
10740 finalize any of the VRP datastructures. Remove iteration
10741 step and simplify as a result of removal of iteration step.
10742 (pass_dominator): Perform a cfg cleanup after DOM.
10743 (dom_opt_finalize_block): Use the new common routines
10744 for threading jumps. Simplify stack management slightly.
10745 No longer need to unwind VRP state.
10746 (record_equivalences_from_incoming_edge): No longer record
10747 VRP information.
10748 (eliminate_redundant_computations): No longer call
10749 simplify_cond_and_lookup_avail_expr.
10750 * tree-flow.h (potentially_threadable_block): Prototype.
10751 (thread_across_edge): Likewise.
10752 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10753 (tree-ssa-threadedge.o): Add dependencies.
10754 * tree-ssa-threadedge.c: New file.
10755 * passes.c (init_optimization_passes): Merge PHIs before
10756 calling VRP. Run VRP again late in the SSA optimization pipeline.
10758 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10760 * df-core.c (df_set_blocks): Do not dereference function pointers.
10761 (df_finish1): Likewise.
10762 (df_hybrid_search_forward): Likewise.
10763 (df_hybrid_search_backward): Likewise.
10764 (df_iterative_dataflow): Likewise.
10765 (df_analyze_problem): Likewise.
10766 (df_compact_blocks): Likewise.
10767 (df_dump): Likewise.
10768 * df-scan.c (df_rescan_blocks): Likewise.
10769 (df_record_entry_block_defs): Likewise.
10771 * genconditions.c (write_conditions): Guard the definition of
10772 'insn_conditions' with the check on GCC version.
10773 (write_writer): Guard the traversal 'insn_conditions' with
10774 the check on GCC version.
10776 2006-02-07 Richard Guenther <rguenther@suse.de>
10778 PR c++/26140
10779 Revert
10780 2006-01-30 Richard Guenther <rguenther@suse.de>
10781 PR c++/23372
10782 * gimplify.c (gimplify_target_expr): Handle easy cases
10783 without creating a temporary.
10785 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10787 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10788 use of float in probability computations. Use edge probabilities
10789 in place of statically computed probabilities.
10790 (min_spec_prob): New static variable.
10791 (schedule_insns): Initialize it.
10792 (GET_SRC_PROB): Removed.
10793 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10795 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10797 PR debug/24444
10798 * config/ia64/unwind-ia64.c: Revert last change.
10799 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10800 (INCOMING_FRAME_SP_OFFSET): Define.
10802 2006-02-06 Roger Sayle <roger@eyesopen.com>
10804 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10806 2006-02-07 Ben Elliston <bje@au.ibm.com>
10808 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10809 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10810 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10811 (ix86_return_in_memory): Handle TDmode.
10812 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10813 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10815 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10817 * reorg.c (dbr_schedule): Use dump_file instead of file.
10819 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10821 PR target/25917
10822 * config/ia64/predicates.md (extr_len_operand): New predicate.
10823 * config/ia64/ia64.md (extv): Tighten constraints.
10824 (extzv): Ditto.
10825 (*tbit_and_2): Ditto.
10826 (*tbit_and_3): Ditto.
10827 (*tbit_or_2): Ditto.
10828 (*tbit_or_3): Ditto.
10829 (*bit_zero): Ditto.
10830 (*bit_one): Ditto.
10832 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10834 PR target/23359
10835 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10837 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
10839 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
10840 loop_optimizer_init and loop_optimizer_finalize
10841 * tree-ssa-sink.c (execute_sink_code): Ditto.
10842 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10843 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
10844 tree_ssa_loop_done): Ditto.
10845 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
10846 * sched-ebb.c: Include output.h.
10847 (schedule_ebbs): Do not use dump argument.
10848 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
10849 * loop.c (loop_dump_stream): Removed.
10850 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
10851 argument.
10852 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
10853 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
10854 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
10855 loop_iterations, strength_reduce, record_biv, record_giv,
10856 final_giv_value, check_final_value, check_ext_dependent_givs,
10857 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
10858 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
10859 dump_file instead of loop_dump_stream.
10860 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
10861 argument dump_file.
10862 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
10863 dump argument.
10864 * flow.c (life_analysis, rest_of_handle_life): Ditto.
10865 * haifa-sched.c: Include output.h
10866 (schedule_insns, sched_init): Do not use dump argument.
10867 * mode-switching.c (optimize_mode_switching): Ditto.
10868 * modulo-sched.c (stats_file): Removed.
10869 (print_node_sched_params): Do not call argument dump_file.
10870 (sms_schedule_by_order, loop_canon_p, sms_schedule,
10871 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
10872 of stats_file.
10873 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
10874 use dump argument.
10875 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
10876 rtl_loop_init, rtl_loop_done): Ditto.
10877 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
10878 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
10879 Ditto.
10880 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
10881 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
10882 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
10883 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
10884 * emit-rtl.c (renumber_insns): Ditto.
10885 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
10886 expand_gimple_basic_block, tree_expand_cfg): Ditto.
10887 * regclass.c (regclass): Ditto.
10888 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
10889 remove_ssa_form, rewrite_out_of_ssa): Ditto.
10890 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
10891 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
10892 Ditto.
10893 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
10894 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
10895 to regclass.
10896 * gcse.c (gcse_file, debug_stderr): Removed.
10897 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
10898 rest_of_handle_gcse): Do not use dump argument.
10899 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
10900 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
10901 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
10902 compute_code_hoist_vbeinout, compute_code_hoist_data,
10903 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
10904 compute_store_table, build_store_vectors, insert_insn_start_bb,
10905 insert_store, remove_reachable_equiv_notes, replace_store_insn,
10906 store_motion): Use dump_file instead of gcse_file.
10907 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
10908 * profile.c (profile_dump_file): Removed.
10909 (branch_prob): Use dump_file instead of profile_dump_file.
10910 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
10911 dump_file.
10912 * tree-ssa-copy.c (dump_copy_of): Ditto.
10913 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
10914 dump file to life_analysis.
10915 * bt-load.c (branch_target_load_optimize): Ditto.
10916 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
10917 renumber_insns.
10918 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
10919 regclass, dbr_schedule): Declaration changed.
10920 * sched-int.h (sched_init): Declaration changed.
10921 * tree-profile.c (tree_profile_dump_file): Removed.
10922 (tree_profile_hooks): Removed profile_dump_file hook.
10923 * rtl-profile (rtl_profile_dump_file): Removed.
10924 (rtl_profile_hooks): emoved profile_dump_file hook.
10925 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
10926 changed.
10927 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
10928 * tree-cfg.c (build_tree_cfg): Ditto.
10929 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
10930 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
10931 Declaration changed.
10932 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
10933 life_analysis and schedule_insns.
10934 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
10935 life_analysis.
10936 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
10937 dbr_schedule.
10938 * config/mips/mips.c (mips_reorg): Ditto.
10939 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
10940 schedule_ebbs.
10942 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
10944 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10945 (s390_mangle_fundamental_type): New.
10946 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10947 Define.
10949 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10950 (alpha_mangle_fundamental_type): New.
10951 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10952 Define.
10954 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10955 Define.
10956 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
10957 Define.
10958 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
10959 (sparc_mangle_fundamental_type): New.
10961 2006-02-06 Jakub Jelinek <jakub@redhat.com>
10963 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
10964 (s390x-*-linux*): Likewise.
10965 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
10966 * config/s390/t-linux: New file.
10968 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
10970 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
10971 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
10973 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
10975 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
10976 (ANTIC_SAFE_LOADS): New macro.
10977 (find_or_generate_expression): Add prototype.
10978 (set_contains_value): Allow null set for sake of not always having
10979 to allocate ANTIC_SAFE_LOADS.
10980 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
10981 Allow COMPONENT_REF too.
10982 (valid_in_set): Allow COMPONENT_REF.
10983 Check ANTIC_SAFE_LOADS too.
10984 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
10985 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
10986 rename.
10987 (can_PRE_operation): Add COMPONENT_REF.
10988 (create_component_ref_by_pieces): New function.
10989 (create_expression_by_pieces): Use create_component_ref_by_pieces.
10990 (insert_aux): Move AGGREGATE_TYPE_P check here.
10991 (compute_avail): Set bb local stmt uids.
10992 (pass_pre): Use TODO_update_ssa_only_virtuals.
10994 2006-02-06 Ben Elliston <bje@au.ibm.com>
10996 * configure.ac: Unconditionally disable decimal float by default.
10997 * configure: Regenerate.
10999 2006-02-06 Ben Elliston <bje@au.ibm.com>
11001 * read-rtl.c (read_name): Terminate reading on EOF.
11003 2006-02-06 Ben Elliston <bje@au.ibm.com>
11005 * dfp.c (decimal_real_arithmetic): Change second argument type
11006 from int to enum tree_code. Do not always return true, but now
11007 return result of any call to decimal_do helper functions.
11008 * dfp.h (decimal_real_arithmetic): Update prototype.
11010 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11012 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11014 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11016 PR tree-opt/25251
11017 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11018 forced labels.
11020 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11022 * tree-vrp.c (cfg_loops): Removed.
11023 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11024 Use current_loops instead of cfg_loops. Pass flags to
11025 loop_optimizer_init.
11026 * cfgloopmanip.c (fix_loop_structure): Update only available
11027 information.
11028 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11029 loop_optimizer_init.
11030 * modulo-sched.c (build_loops_structure): Removed.
11031 (sms_schedule): Use loop_optimizer_init.
11032 * loop-init.c (loop_optimizer_init): Use flags to determine
11033 which properties of loops to prepare.
11034 (rtl_loop_init): Pass flags to loop_optimizer_init.
11035 * tree-ssa-sink.c (execute_sink_code): Ditto.
11036 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11037 * tree-ssa-pre.c (init_pre): Ditto.
11038 * cfgloop.h (LOOPS_NORMAL): New.
11039 (loop_optimizer_init): Declaration changed.
11041 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11043 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11044 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11045 pa/t-pa.
11046 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11047 pa/t-pa.
11048 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11049 pa/x-ada.
11050 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11051 * pa/t-pa64: Delete quadlib.c rule.
11052 * pa/x-ada: Revert last change.
11053 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11055 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11057 PR rtl-optimization/26087
11058 * rtlanal.c (canonicalize_condition): Do not cross basic block
11059 boundaries.
11061 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11063 PR debug/24444
11064 * config/ia64/ia64.c: Include debug.h.
11065 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11066 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11067 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11068 (process_epilogue, process_set, process_for_unwind_directive):
11069 Output unwind info only if requested. Add CFA info if requested.
11070 Add new arguments as needed. Adjust callers.
11071 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11072 incorrect default.
11073 (DWARF2_FRAME_INFO): Define to zero.
11074 * config/ia64/unwind-ia64.c: Remove code that compensated for
11075 the CFA offset error fixed above.
11076 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11077 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11078 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11079 -funwind-tables and -fexceptions to enable frame info.
11080 (dwarf2out_frame_init): Define initial CFA even if
11081 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11082 DWARF2_UNWIND_INFO is nonzero, not just defined.
11083 (dwarf2out_frame_finish): Output non-EH call frame info only
11084 if DWARF2_FRAME_INFO is nonzero.
11085 (convert_cfa_to_loc_list,
11086 compute_frame_pointer_to_cfa_displacement): Define even if
11087 unwind info is not supported.
11088 (gen_subprogram_die): Use the above unconditionally. Remove
11089 legacy alternate code.
11090 * toplev.c (compile_file): Compile in call to
11091 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11092 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11094 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11095 Jakub Jelinek <jakub@redhat.com>
11097 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11098 IBM extended float format long double as "g" on powerpc*-linux.
11100 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11102 PR target/25926
11103 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11104 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11106 2006-02-03 Jason Merrill <jason@redhat.com>
11108 PR c++/25979
11109 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11111 PR middle-end/25977
11112 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11113 on the return slot if it's an NRV.
11115 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11117 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11118 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11119 rewrite_use): Do not handle USE_OUTER.
11120 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11121 add_iv_outer_candidates, may_replace_final_value,
11122 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11123 (find_interesting_uses_op): Functionality of
11124 find_interesting_uses_outer_or_nonlin moved here.
11125 (find_interesting_uses_outside): Use find_interesting_uses_op.
11127 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11129 PR target/25960
11130 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11132 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11133 Ulrich Weigand <uweigand@de.ibm.com>
11135 PR target/25864
11136 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11137 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11138 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11139 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11140 and dxr fields.
11141 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11142 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11143 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11144 Define secondary reloads for TFmode moves.
11145 (constant_modes): Add TFmode.
11146 (NR_C_MODES): Set to 8.
11147 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11148 builtin define.
11149 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11150 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11151 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11152 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11153 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11154 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11155 (FPR mode macro): Add TFmode.
11156 (DSF mode macro): New.
11157 (<de>, <dee> mode attributes): Removed.
11158 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11159 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11160 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11161 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11162 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11163 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11164 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11165 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11166 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11167 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11168 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11169 "*negabs<mode>2", "sqrt<mode>2"):
11170 Changed <de> to <xde>. R constraint replaced by <Rf>.
11171 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11172 <Rf>.
11173 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11174 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11175 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11176 splitters.
11177 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11178 "extenddftf2", "extendsftf2"): New expanders.
11179 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11180 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11181 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11182 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11183 New options.
11184 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11185 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11186 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11187 __floatditf): Add a GCC_4.1.0 symbol version tag.
11188 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11189 the new options.
11191 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11193 PR target/25377
11194 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11195 Use targetm.binds_local_p instead of TREE_PUBLIC.
11197 2006-02-02 Roger Sayle <roger@eyesopen.com>
11199 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11200 on INTEGER_TYPEs to indicate that it denotes a character type.
11201 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11202 signed_char_type_node, unsigned_char_type_node and char_type_node.
11203 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11204 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11205 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11207 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11208 Daniel Berlin <dberlin@dberlin.org>
11210 * tree-tailcall.c (arg_needs_copy_p): New function.
11211 (eliminate_tail_call): Use arg_needs_copy_p.
11212 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11213 (add_virtual_phis): New function.
11215 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11217 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11218 #ignore instead of #scratch for %g7 .register directive.
11220 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11222 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11223 object files.
11225 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11227 * flow.c (calculate_global_regs_live): Assert that there aren't any
11228 EDGE_FAKE edges.
11230 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11232 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11233 what its name says.
11234 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11235 bsi_after_labels iterator.
11236 * tree-if-conv.c (find_phi_replacement_condition,
11237 replace_phi_with_cond_modify_expr): Likewise.
11238 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11239 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11241 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11243 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11245 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11247 PR 25990
11248 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11249 array after growing it.
11251 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11253 PR middle-end/24901
11254 * fold-const.c (fold_checksum_tree): Change type of buf.
11256 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11258 * reload.c (push_secondary_reload): Initialize t_icode.
11260 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11262 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11263 -msoft-float -mlong-double-128 only issue a warning, but don't
11264 swich to DFmode long double.
11266 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11268 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11269 has a constant equivalent, iterate over equivalents for arg0,
11270 calling simplify_relational_operation and if there's a result
11271 cheaper than X, apply fold_rtx and return the result.
11273 2006-02-01 Jan Hubicka <jh@suse.cz>
11275 * opts.c (no_unit_at_a_time_default): New global variable.
11276 (decode_options): Use it.
11277 * opts.h (no_unit_at_a_time_default): Declare.
11279 2006-02-01 Paul Brook <paul@codesourcery.com>
11281 * function.c (assign_parm_setup_reg): Use function argument promotion
11282 rules.
11283 * expr.c (expand_expr_real_1): Use function argument promotion rules
11284 for PARM_DECLs.
11286 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11288 * gcc.c (process_command): Change j to 'unsigned int'.
11290 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11292 PR middle-end/26001
11293 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11294 Use the corrected index for the character
11295 out of the string constant.
11297 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11299 * mode-switching.c (optimize_mode_switching): Fix size
11300 allocated for bb_info[n_entities].
11302 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11304 * gcc.c (main): Correct type that is allocated for
11305 explicit_link_files.
11307 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11309 * config/s390/s390.c (init_alignment_context): Set
11310 ALIAS_SET_MEMORY_BARRIER on the MEM.
11311 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11313 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11315 PR middle-end/25933
11316 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11317 dom_bbs pointer.
11318 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11319 call to tpa_init.
11321 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11323 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11324 * regrename.c: Ditto.
11325 * tree-ssa-loop-im.c: Ditto.
11326 * tree-dump.c: Ditto.
11327 * tree-complex.c: Ditto.
11328 * genrecog.c: Ditto.
11329 * tree-ssa-threadupdate.c: Ditto.
11330 * tracer.c: Ditto.
11331 * java/class.c: Ditto.
11332 * java/jcf-parse.c: Ditto.
11333 * java/resource.c: Ditto.
11334 * java/except.c: Ditto.
11335 * java/jvspec.c: Ditto.
11336 * java/jcf-write.c: Ditto.
11337 * java/jcf-path.c: Ditto.
11338 * java/gjavah.c: Ditto.
11339 * java/zextract.c: Ditto.
11340 * java/jcf-io.c: Ditto.
11341 * java/jcf.h: Ditto.
11342 * java/buffer.c: Ditto.
11343 * java/lang.c: Ditto.
11344 * java/parse-scan.y: Ditto.
11345 * java/lex.c: Ditto.
11346 * java/lex.h: Ditto.
11347 * cfgloopmanip.c: Ditto.
11348 * postreload-gcse.c: Ditto.
11349 * tree-ssa-loop-manip.c: Ditto.
11350 * postreload.c: Ditto.
11351 * tree-ssa-loop-ch.c: Ditto.
11352 * loop.c: Ditto.
11353 * ipa-cp.c: Ditto.
11354 * cppspec.c: Ditto.
11355 * diagnostic.c: Ditto.
11356 * final.c: Ditto.
11357 * genoutput.c: Ditto.
11358 * gcc.c: Ditto.
11359 * cfghooks.c: Ditto.
11360 * cfgloopanal.c: Ditto.
11361 * objc/objc-act.c: Ditto.
11362 * gcov.c: Ditto.
11363 * genextract.c: Ditto.
11364 * genautomata.c: Ditto.
11365 * pretty-print.c: Ditto.
11366 * genemit.c: Ditto.
11367 * cgraphunit.c: Ditto.
11368 * flow.c: Ditto.
11369 * df-scan.c: Ditto.
11370 * haifa-sched.c: Ditto.
11371 * dominance.c: Ditto.
11372 * dbxout.c: Ditto.
11373 * tree-ssa-loop-ivopts.c: Ditto.
11374 * df-core.c: Ditto.
11375 * mode-switching.c: Ditto.
11376 * modulo-sched.c: Ditto.
11377 * graph.c: Ditto.
11378 * ipa-pure-const.c: Ditto.
11379 * cse.c: Ditto.
11380 * fix-header.c: Ditto.
11381 * web.c: Ditto.
11382 * tree-stdarg.c: Ditto.
11383 * ipa-utils.c: Ditto.
11384 * loop-init.c: Ditto.
11385 * ipa-inline.c: Ditto.
11386 * cfganal.c: Ditto.
11387 * global.c: Ditto.
11388 * alloc-pool.c: Ditto.
11389 * dwarf2out.c: Ditto.
11390 * opts.c: Ditto.
11391 * genattrtab.c: Ditto.
11392 * tree-ssa-loop-ivcanon.c: Ditto.
11393 * predict.c: Ditto.
11394 * timevar.c: Ditto.
11395 * lcm.c: Ditto.
11396 * fortran/gfortranspec.c: Ditto.
11397 * regmove.c: Ditto.
11398 * local-alloc.c: Ditto.
11399 * langhooks.c: Ditto.
11400 * function.c: Ditto.
11401 * tree-vectorizer.c: Ditto.
11402 * gcse.c: Ditto.
11403 * ipa-type-escape.c: Ditto.
11404 * alias.c: Ditto.
11405 * tree-if-conv.c: Ditto.
11406 * profile.c: Ditto.
11407 * ipa.c: Ditto.
11408 * tree-data-ref.c: Ditto.
11409 * loop-unroll.c: Ditto.
11410 * treelang/treetree.c: Ditto.
11411 * calls.c: Ditto.
11412 * bt-load.c: Ditto.
11413 * ggc-common.c: Ditto.
11414 * except.c: Ditto.
11415 * coverage.c: Ditto.
11416 * cselib.c: Ditto.
11417 * tree-cfgcleanup.c: Ditto.
11418 * tree-ssa-pre.c: Ditto.
11419 * cfgcleanup.c: Ditto.
11420 * loop-invariant.c: Ditto.
11421 * loop-iv.c: Ditto.
11422 * ipa-prop.c: Ditto.
11423 * print-tree.c: Ditto.
11424 * conflict.c: Ditto.
11425 * ggc-page.c: Ditto.
11426 * sched-deps.c: Ditto.
11427 * regclass.c: Ditto.
11428 * tree-object-size.c: Ditto.
11429 * combine.c: Ditto.
11430 * bb-reorder.c: Ditto.
11431 * resource.c: Ditto.
11432 * var-tracking.c: Ditto.
11433 * cfgloop.c: Ditto.
11434 * df-problems.c: Ditto.
11435 * reg-stack.c: Ditto.
11436 * tlink.c: Ditto.
11437 * gccspec.c: Ditto.
11438 * sched-rgn.c: Ditto.
11439 * tree-ssa-structalias.c: Ditto.
11440 * tree-ssa-reassoc.c: Ditto.
11441 * config/darwin-c.c: Ditto.
11442 * config/darwin.c: Ditto.
11443 * config/arm/arm.c: Ditto.
11444 * cfgrtl.c: Ditto.
11445 * collect2.c: Ditto.
11446 * reload1.c: Ditto.
11448 2006-01-31 Nicolas Pitre <nico@cam.org>
11450 * arm.md (smaxsi3): Make aware of smax_m1.
11451 (smax_m1): New.
11453 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11455 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11457 2006-01-31 Richard Guenther <rguenther@suse.de>
11459 * doc/invoke.texi (-msselibm): Document.
11460 * target.h (expand_library_builtin): New target hook.
11461 * builtins.c (expand_builtin): Use expand_library_builtin.
11462 (default_expand_library_builtin): New function.
11463 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11464 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11465 (link_gcc_math_spec): Declare.
11466 (static_specs): Add link_gcc_math_spec.
11467 * expr.h (default_expand_library_builtin): Declare.
11468 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11469 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11470 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11471 * config/i386/i386.opt (msselibm): New target option.
11472 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11473 (ix86_init_sse_abi_builtins): New function.
11474 (ix86_expand_library_builtin): Likewise.
11475 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11476 (override_options): Handle error conditions wrt -msselibm.
11477 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11478 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11479 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11480 builtins.
11482 2006-01-31 Richard Guenther <rguenther@suse.de>
11483 Paolo Bonzini <bonzini@gnu.org>
11485 * doc/install.texi (--disable-libgcc-math): Document.
11487 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11489 * expr.h (expand_normal): new inline function.
11490 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11491 * dojump.c: use it.
11492 * dwarf2out.c: use it.
11493 * expr.c: use it.
11494 * calls.c: use it.
11495 * expmed.c: use it.
11496 * except.c: use it.
11497 * config/sparc/sparc.c: use it.
11498 * config/i386/i386.c: use it.
11499 * config/rs6000/rs6000.c: use it.
11500 * config/arm/arm.c: use it.
11501 * config/mips/mips.c: use it.
11502 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11504 2006-01-30 Roger Sayle <roger@eyesopen.com>
11506 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11507 argv to the appropriate type.
11509 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11511 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11512 unreachable code.
11514 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11516 PR target/26018
11517 * config/s390/s390.c (struct machine_function): New flag
11518 decomposed_literal_pool_addresses_ok_p.
11519 (s390_reorg): Set it before final stage of literal pool transforms.
11520 (s390_decompose_address): Only accept displacements of the form
11521 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11523 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11525 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11526 the comparison routine return.
11528 2006-01-30 Michael Matz <matz@suse.de>
11530 * global.c (find_reg): Only evict for global regs.
11531 Take n_refs into account and dump more info.
11533 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11535 PR target/14798:
11536 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11537 (pragma_trap, pragma_nosave_low_regs): Likewise.
11538 (current_function_anonymous_args): Likewise.
11539 (sh_deferred_function_attributes): New variable.
11540 (sh_deferred_function_attributes_tail): Likewise.
11541 (print_operand): For '@', look up trap_exit attribute.
11542 (calc_live_regs): Look up trapa_handler attribute. For trapa
11543 handlers, save/restore fpscr, but don't do any other
11544 interrupt-specific saves.
11545 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11546 Fix check for partially saved registers to check for SHmedia.
11547 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11548 (sh_output_function_epilogue): Don't clear any of the removed
11549 variables.
11550 (sh_insert_attributes): Don't check pragma_interrupt.
11551 Insert deferred attributes. Check that interrupt attribute is
11552 present for other attributes that require its presence.
11553 (sh_attribute_table): Add new attributes trapa_handler and
11554 nosave_low_regs.
11555 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11556 Don't check for pragma_interrupt. Don't store argument.
11557 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11558 (sh_deferred_function_attributes): Declare.
11559 (sh_deferred_function_attributes_tail): Likewise.
11560 * sh.md (sp_switch_1): Add operand. Change generator caller.
11561 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11562 (*return_i): Don't use when trap_exit attribute is in effect.
11563 (*return_trapa): New insn pattern.
11564 * sh-c.c: New file.
11565 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11566 setting c_target_objs and cxx_target_objs.
11567 * t-sh: Add rule for sh-c.o.
11569 2006-01-30 Richard Guenther <rguenther@suse.de>
11571 PR c++/23372
11572 * gimplify.c (gimplify_target_expr): Handle easy cases
11573 without creating a temporary.
11575 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11577 * vec.h (safe_grow): Remove duplicated line.
11579 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11581 PR 25874
11582 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11583 (expand_omp): ... here.
11584 (expand_omp_parallel): Only remove barriers for combined
11585 parallel+workshare constructs.
11587 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11589 Revert
11591 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11592 * tree.c (build_qualified_type): Chain the new type to the original
11593 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11594 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11595 (build_pointer_type_for_mode): Only return unqualified types.
11596 (build_reference_type_for_mode): Likewise.
11598 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11600 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11601 * Makefile.in (CXX_COMPAT_WARN): Define.
11602 * configure: Regenerate.
11604 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11606 PR tree-opt/25911
11607 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11608 to an if check.
11610 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11612 * toplev.c: Fix thinko.
11614 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11615 Marcin Dalecki <martin@dalecki.de>
11617 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11618 (push_srcloc): Use XNEW.
11619 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11621 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11623 * df-core.c (df_set_blocks): Deleted all variable.
11625 2006-01-28 Ian Lance Taylor <ian@airs.com>
11627 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11628 cgraph_output_pending_asms.
11630 2006-01-28 Zack Weinberg <zackw@panix.com>
11632 * c.opt: Add -W(no-)overlength-strings.
11633 * doc/invoke.texi: Document it.
11634 * c-opts.c (c_common_handle_option): -pedantic implies
11635 -Woverlength-strings, if not explicitly disabled already.
11636 (c_common_post_options): -Woverlength-strings defaults to off, and
11637 is always off for C++.
11638 * c-common.c (fix_string_type): Issue warning about strings longer
11639 than is portable only if warn_overlength_strings. Rearrange code
11640 a little for clarity.
11641 * configure.in: Check for -Wno-overlength-strings as well before
11642 enabling -pedantic in stage 1.
11643 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11644 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11646 * genconditions.c (write_header, write_one_condition)
11647 (write_conditions, write_writer): Consolidate very long strings
11648 that were broken up to fit in C89 portable limit. Don't use
11649 printf when fputs will do.
11651 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11653 * combine.c (simplify_comparison <AND>): Check
11654 TRULY_NOOP_TRUNCATION before start using a subreg.
11656 * config/mips/mips.md (*branch_zero<mode>,
11657 *branch_zero<mode>_inverted, *branch_equality<mode>,
11658 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11659 Remove mode check from comparisons.
11661 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11663 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11665 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11667 * expmed.c (const_mult_add_overflow_p): Remove.
11668 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11670 * recog.c (validate_replace_rtx_subexp): Remove.
11671 * recog.h: Remove the prototype for
11672 validate_replace_rtx_subexp.
11674 * integrate.h: Remove the prototype for
11675 copy_decl_for_inlining.
11676 * rtl.h: Remove the prototype for mark_constant_function.
11677 * tree-vectorizer.h: Remove the prototype for
11678 vect_strip_conversion.
11680 * modulo-sched.c (create_partial_schedule,
11681 free_partial_schedule, reset_partial_schedule): Make them
11682 static.
11684 * hooks.c (hook_bool_rtx_int_false): Remove.
11685 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11687 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11689 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11690 and -mlong-double-128 are incompatible.
11691 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11692 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11693 (TARGET_LIBGCC2_CFLAGS): Define.
11694 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11695 (TARGET_LIBGCC2_CFLAGS): Same.
11696 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11698 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11700 PR c/19606.
11701 * c-typeck.c (build_binary_op): Perform implicit casts of
11702 operands before shortening them.
11704 * cfgloopmanip.c (split_loop_bb): Remove.
11705 * cfgloop.h: Remove the prototype for split_loop_bb.
11707 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11708 * cfgloop.h: Remove the prototype for
11709 flow_loop_outside_edge_p.
11711 * emit-rtl.c (init_virtual_regs): Make it static.
11712 * function.h: Remove the prototype for init_virtual_regs.
11714 * recog.c (peephole2_optimize): Make it static.
11715 * recog.h: Remove the prototype for peephole2_optimize.
11717 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11719 * df-scan.c (df_record_entry_block_defs): Check if
11720 INCOMING_RETURN_ADDR_RTX is defined.
11722 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11723 Kenneth Zadeck <zadeck@naturalbridge.com>
11725 PR rtl-optimization/24762
11726 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11727 * targhooks.c (hook_void_bitmap): New hook prototype.
11728 * targhoohs.h (hook_void_bitmap): Ditto.
11729 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11730 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11731 * target.h (live_on_entry): New function pointer.
11732 * df-scan.c (df_all_hard_regs): Removed.
11733 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11734 (df_scan_free_internal): Added df->entry_block_defs.
11735 (df_scan_alloc): Ditto.
11736 (df_scan_dump): Ditto.
11737 (df_uses_record): Plumbed flag field properly thru calls.
11738 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11739 This part fixes PR24762.
11740 (df_bb_refs_record): Added code to make the frame and arg
11741 pointers live in EH blocks.
11742 (df_refs_record): Added call to df_record_entry_block_defs.
11743 (df_record_entry_block_defs): New function.
11744 * df-core.c: Added comments to describe new artifical defs.
11745 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11746 (entry_block_defs): New field in struct df.
11747 (df_all_hard_regs): Deleted.
11748 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11749 * df-problems.c (df_ru_bb_local_compute_process_def):
11750 Added code to handle artifical defs in the entry to a function.
11751 (df_ru_bb_local_compute): Ditto.
11752 (df_rd_bb_local_compute_process_def): Ditto.
11753 (df_rd_bb_local_compute): Ditto.
11754 (df_lr_bb_local_compute): Ditto.
11755 (df_ur_bb_local_compute): Ditto.
11756 (df_urec_bb_local_compute): Ditto.
11757 (df_chain_create_bb): Ditto.
11758 (df_ur_local_finalize): Removed entry.
11759 (df_urec_init): Ditto.
11760 (df_urec_local_finalize): Ditto.
11761 (df_ri_bb_compute): Added detection of last use of pseudos.
11762 * Makefile.in (df-scan.o): Updated dependencies.
11763 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11764 * config/mips/mips.c (mips_set_live_on_entry): Added.
11765 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11766 for target hook.
11767 * dce.c (marked_insn_p): Added code to handle artifical defs.
11769 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11771 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11772 intrinsic.
11773 (_mm_cvtsi128_si64): Likewise.
11774 (_mm_cvtsd_si64): Likewise.
11775 (_mm_cvttsd_si64): Likewise.
11776 (_mm_cvtsi64_sd): Likewise.
11777 (_mm_cvtsi64_si128): Likewise.
11778 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11779 (_mm_cvtsi64_m64): Likewise.
11780 (_m_to_int64): Likewise.
11781 (_mm_cvtm64_si64): Likewise.
11782 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11783 (_mm_cvttss_si64): Likewise.
11784 (_mm_cvtsi64_ss): Likewise.
11785 (_mm_cvtss_f32): Likewise.
11787 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11789 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11790 for pragma redefine_extname.
11792 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11794 PR target/25864
11795 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11796 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11797 -mno-minimal-toc to previous content.
11798 (bispecs): Remove goal.
11799 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11800 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11801 compatibility aliases on powerpc-*-*gnu*.
11802 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11803 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11804 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11805 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11806 (ldblspecs): New goal.
11807 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11808 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11809 _df_to_tf.
11810 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11811 L_sf_to_tf or L_df_to_tf is defined.
11813 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11814 Alan Modra <amodra@bigpond.net.au>
11816 PR target/25864
11817 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11818 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11819 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11820 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11821 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11822 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11823 (rs6000_override_options): Initialize rs6000_ieeequad.
11824 Initialize TFmode format to ibm_extended_format if not
11825 TARGET_IEEEQUAD.
11826 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11827 ieeelongdouble.
11828 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11829 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11830 (function_arg_advance): IBM long double passed in two FPRs, not
11831 split.
11832 (function_arg): IBM long double passed in FPRs.
11833 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11834 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11835 Only multireg GPR aligned.
11836 (rs6000_init_libfuncs): Enable IBM long double functions if not
11837 IEEEQUAD.
11838 (rs6000_generate_compare): Use IBM long double compare if not
11839 TARGET_IEEEQUAD.
11840 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
11841 (TARGET_IEEEQUAD): Define.
11842 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
11843 not TARGET_IEEEQUAD.
11844 * config/rs6000/rs6000.md: Enable TFmode patterns if
11845 !TARGET_IEEEQUAD.
11846 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
11847 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11848 and -mlong-double-128 are incompatible.
11849 * doc/invoke.texi (-mabi): Collect options together. Add
11850 ibmlongdouble and ieeelongdouble.
11852 2006-01-27 Richard Sandiford <richard@codesourcery.com>
11854 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
11855 opaque type.
11856 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
11857 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
11858 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
11859 * rtl.h (rtunion_def): Remove rt_ptr.
11860 (X0PTR): Delete.
11861 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
11862 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
11863 * config/i386/winnt.c (i386_pe_mark_dllexport)
11864 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
11866 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
11868 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
11870 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11872 PR other/24829
11873 PR target/24831
11874 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
11875 pthread_key_delete. From John David Anglin. gthrw-ify
11876 pthread_getunique_np only if it it's not a macro. Delete
11877 UNUSED macro.
11878 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
11879 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
11880 __gthread_objc_condition_signal, __gthread_key_delete): Add
11881 "__attribute__ ((__unused__))" to unused arguments.
11882 (__gthread_recursive_mutex_init_function): Add missing return.
11883 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
11884 gthr-posix95.h: Use macro-based approach for name redirection
11885 on targets missing weakref.
11887 2006-01-26 Zack Weinberg <zackw@panix.com>
11889 * genconditions.c (write_header): In generated code, #ifdef out
11890 all includes and fake declarations, except includes of bconfig.h
11891 and system.h, unless GCC_VERSION >= 3001. Do not include
11892 gensupport.h in any case.
11893 (write_conditions): Generate a definition of struct c_test. Add
11894 a comment to the generated #endif.
11895 (write_one_condition): Escape backslashes in string too.
11896 (write_writer): Generated code must escape backslashes and quote
11897 marks (but not newlines) in the strings it writes.
11898 * Makefile.in (build/gencondmd.o): Update dependencies.
11900 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11902 PR target/25961
11903 * Makefile.in (insn-automata.o): Add header file dependencies.
11904 * genautomata.c: Add includes.
11906 2006-01-26 Steve Ellcey <sje@cup.hp.com>
11908 PR target/25961
11909 * Makefile.in (insn-automata.o): Add -Wno-error flag.
11911 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11913 * configure.ac: Expect target tools paths to be passed from the toplevel
11914 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
11915 AS_SET_VAR_IF.
11916 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
11918 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11920 PR c/25892
11921 * c.opt (Wpointer-sign): Init to -1.
11922 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
11923 OPT_pedantic, to 0 otherwise.
11924 * doc/invoke.texi: Update.
11926 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
11928 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
11929 constants provided by 80387 instructions in the destination mode.
11931 2006-01-26 Richard Guenther <rguenther@suse.de>
11932 Andrew Pinski <pinskia@physics.uc.edu>
11934 PR tree-opt/21470
11935 partial PR tree-opt/17064
11936 * tree-ssa-structalias.c (intra_create_variable_infos):
11937 Create heap variables for incoming parameters if
11938 flag_argument_noalias > 1.
11939 (find_what_p_points_to): Look through default defs of
11940 parameter decls.
11942 2006-01-26 Jeff Law <law@redhat.com>
11944 PR ada/25900
11945 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
11946 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
11947 within the VR_RANGE, use the VR_RANGE as the result, not the
11948 VR_ANTI_RANGE.
11949 (adjust_range_with_scev): Reject ranges from SCEV which are out of
11950 bounds for the type.
11952 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
11954 * tree-ssa-alias.c (maybe_create_global_var): Change
11955 subvar walking to an assertion that we don't have subvar'd variables.
11957 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
11959 PR C/25861
11960 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
11961 Use a new variable, inner. PARM_DECLs are always non-weak.
11963 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
11965 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
11966 --disable-checking.
11968 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
11970 * config/mips/mips.md (*clear_upper32): New combiner pattern.
11972 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
11974 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
11975 (smax_insn, smin_insn, smax_0, smin_0): New.
11977 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
11979 PR target/25947
11980 * config/cris/cris.c (cris_order_for_addsi3): New function.
11981 * config/cris/cris-protos.h: Prototype it.
11982 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
11983 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
11984 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
11985 (split for "op.S1 [rx=rx+i],ry (swapped)")
11986 (split for "op(s|u).S1 [rx=rx+i],ry")
11987 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
11988 Apply cris_order_for_addsi3 when generating addsi3 insns.
11990 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11992 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
11993 (TREE_BLOCK): Add call to EXPR_CHECK.
11995 2006-01-25 Diego Novillo <dnovillo@redhat.com>
11997 PR 25886
11998 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
11999 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12000 (dump_omp_clauses): ... here.
12001 (dump_generic_node): Handle OMP_CLAUSE.
12002 * tree.c (omp_clause_num_ops): New.
12003 (omp_clause_code_name): New.
12004 (tree_code_size): Handle OMP_CLAUSE.
12005 (tree_size): Likewise.
12006 (make_node): Document handling of OMP_CLAUSE.
12007 (tree_node_structure): Handle OMP_CLAUSE.
12008 (omp_clause_check_failed): New.
12009 (omp_clause_range_check_failed): New.
12010 (omp_clause_operand_check_failed): New.
12011 (build_omp_clause): New.
12012 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12013 * tree.h (enum omp_clause_code): Declare.
12014 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12015 (OMP_CLAUSE_RANGE_CHECK): Define.
12016 (OMP_CLAUSE_ELT_CHECK): Define.
12017 (omp_clause_check_failed): Declare.
12018 (omp_clause_operand_check_failed): Declare.
12019 (omp_clause_range_check_failed): Declare.
12020 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12021 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12022 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12023 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12024 (OMP_CLAUSE_IF_EXPR): Likewise.
12025 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12026 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12027 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12028 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12029 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12030 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12031 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12032 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12033 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12034 (OMP_CLAUSE_CODE): Define.
12035 (OMP_CLAUSE_SET_CODE): Define.
12036 (OMP_CLAUSE_CODE): Define.
12037 (OMP_CLAUSE_OPERAND): Define.
12038 (struct tree_omp_clause): Declare.
12039 (union tree_node): Add field 'omp_clause'.
12040 * treestruct.def (TS_OMP_CLAUSE): Define.
12041 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12042 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12043 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12044 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12045 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12046 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12047 (OMP_CLAUSE): Define.
12048 * print-tree.c (print_node): Handle OMP_CLAUSE.
12049 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12050 * c-typeck.c: Likewise.
12051 * gimplify.c: Likewise.
12052 * c-omp.c: Likewise.
12053 * tree-nested.c: Likewise.
12054 * tree-inline.c: Likewise.
12055 * c-parser.c: Likewise.
12056 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12057 clauses.
12059 2006-01-25 Roger Sayle <roger@eyesopen.com>
12061 PR rtl-optimization/25703
12062 * combine.c (try_combine): Handle zero_extract and strict_low_part
12063 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12065 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12067 * global.c: Fix comment typos.
12069 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12071 PR target/25758
12072 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12073 Use output_addr_const instead of assemble_name.
12075 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12077 * Makefile.in (sched-vis.o): Update dependencies.
12078 * haifa-sched.c (sched_finish): Clear current_sched_info.
12079 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12080 (dump_flow_info): Call it.
12081 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12082 a slim RTL dump.
12083 * basic-block.h (dump_bb_info): Declare.
12084 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12085 option, and apply options only for dump files whose TDF_RTL,
12086 TDF_TREE, or TDF_IPA bits match.
12087 * rtl.h: Declare new functions exported from sched-vis.c.
12088 * sched-vis.c: Enable also if scheduling is not used.
12089 (print_value): Print the mode of registers if not inside scheduling.
12090 (print_insn): Make it work outside the scheduler. Beautify the output
12091 a bit.
12092 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12094 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12096 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12097 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12098 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12099 depending on the value of CONSTANT_POOL_ADDRESS_P.
12100 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12101 SYMBOL_REF_DECL.
12102 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12103 rather than SYMBOL_REF_DECL.
12104 (rtx_constant_pool): Remove const_rtx_sym_htab.
12105 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12106 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12107 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12108 Remove handling of const_rtx_sym_htab.
12109 (find_pool_constant): Delete.
12110 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12111 rather than find_pool_constant.
12112 (get_pool_constant_for_function): Delete.
12113 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12114 find_pool_constant.
12115 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12116 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12117 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12118 (SYMBOL_REF_CONSTANT): New macro.
12119 (get_pool_constant_for_function): Delete.
12120 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12121 rather than SYMBOL_REF_DECL.
12122 (i386_pe_mark_dllimport): Likewise.
12123 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12124 rather than SYMBOL_REF_DECL.
12125 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12126 (machopic_indirect_call_target): Likewise.
12128 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12130 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12132 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12134 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12136 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12138 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12140 2006-01-24 David Daney <ddaney@avtrex.com>
12142 PR java/25816
12143 * configure.ac (enable_tls): New enable option.
12144 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12145 * configure: Regenerate.
12146 * doc/install.texi (--enable-tls): Document new option.
12147 (--disable-tls): Ditto.
12149 2006-01-24 Richard Henderson <rth@redehat.com>
12151 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12152 * alias.c (true_dependence): Respect it.
12153 (canon_true_dependence, write_dependence_p): Likewise.
12154 * builtins.c (get_builtin_sync_mem): Set it.
12156 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12158 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12159 efficient way.
12161 2006-01-24 DJ Delorie <dj@redhat.com>
12163 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12164 for storing constants in single-bit bitfields.
12166 2006-01-25 Ben Elliston <bje@au.ibm.com>
12168 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12170 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12172 PR tree-opt/25860
12173 * tree-ssa-pre.c (phi_translate): Return NULL
12174 for AGGREGATE_TYPE's.
12176 2006-01-24 Zack Weinberg <zackw@panix.com>
12178 * genautomata.c (process_state_for_insn_equiv_partition):
12179 Use xcalloc for insn_arcs_array.
12180 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12181 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12183 2006-01-24 Richard Henderson <rth@redhat.com>
12185 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12186 update all callers.
12188 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12190 PR rtl-optimization/25890
12191 PR rtl-optimization/25905
12192 * combine.c (expand_compound_operation, expand_field_assignment):
12193 Fail if the bitfield's final position is out of bounds.
12195 2006-01-24 Ian Lance Taylor <ian@airs.com>
12197 PR middle-end/25930
12198 * cgraphunit.c (cgraph_output_in_order): Don't clear
12199 cgraph_asm_nodes until after asm strings have been output.
12201 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12203 * fix-header.c (read_scan_file): Add new parameter imultilib when
12204 calling register_include_chains.
12206 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12208 * omp-low.c: Update documentation.
12210 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12211 Daniel Berlin <dberlin@dberlin.org>
12213 PR tree-opt/25315
12214 PR tree-opt/25857
12215 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12216 return from the function.
12218 2006-01-22 Zack Weinberg <zackw@panix.com>
12220 * rtl.def (match_code): Add second argument.
12221 * genpreds.c (write_extract_subexp): New function.
12222 (write_match_code): Add path argument. Use write_extract_subexp.
12223 (write_predicate_expr): Pass path to write_match_code.
12224 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12225 not perform a mode test.
12226 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12227 a subexpression does not constrain the top-level code set.
12228 * read-rtl.c (read_rtx_variadic): New function.
12229 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12230 * doc/md.texi: Document new notation.
12231 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12232 (cmpsi_operand): ... here, using new notation.
12234 2006-01-22 Zack Weinberg <zackw@panix.com>
12236 * varray.c: Remove GENERATOR_FILE #ifdefs.
12238 2006-01-22 Zack Weinberg <zackw@panix.com>
12240 * genautomata.c (output_reserved_units_table): Emit nothing if
12241 description->query_units_num is zero. Remove extra blank line.
12242 (output_cpu_unit_reservation_p): Short circuit
12243 if description->query_units_num is zero.
12245 2006-01-22 Zack Weinberg <zackw@panix.com>
12247 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12248 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12249 nor any of the random handful of variables that used to be necessary
12250 when this program was linked with rtlanal.o. Prune set of forward
12251 function declarations.
12252 (struct attr_desc): Remove static_p field.
12253 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12254 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12255 (attr_string): Do not read the character one past the length of
12256 the string.
12257 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12258 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12259 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12260 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12261 (make_automaton_attrs): New.
12262 (main): Do not call into genautomata. Call local gen_bypass
12263 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12264 Remove special case for insn_alts.
12265 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12266 varray.h (leftover from previous change). Prune set of forward
12267 function declarations. Remove state_alts fields from all
12268 structures. Remove state_alts_table from struct automaton.
12269 Make everything except main static. Do not maintain num_dfa_decls.
12270 Do not maintain state_alts fields of various structures.
12271 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12272 (add_arc): Remove state_alts argument. All callers updated.
12273 (output_reserved_units_table): Emit #ifdef here...
12274 (output_tables): ...not here. Don't generate state_alts tables.
12275 (expand_automata): Don't generate attributes.
12276 (write_automata): Don't generate state_alts functions.
12277 (main): New function.
12278 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12279 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12280 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12281 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12282 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12283 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12284 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12285 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12286 Delete.
12287 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12288 * genattrtab.h: Delete file.
12289 * Makefile.in (OBJS-common): Add insn-automata.o.
12290 (insn-automata.o): New rule.
12291 (simple_generated_c): Add insn-automata.c.
12292 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12293 (genprogmd): Add automata.
12294 (build/genattrtab): Needs no extra objects nor libraries.
12295 (build/genautomata): Needs build/vec.o and -lm.
12297 2006-01-22 Zack Weinberg <zackw@panix.com>
12299 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12300 (output_dfa_max_issue_rate, locked_states_num): Delete.
12301 (struct automaton): Add locked_states field.
12302 (output_dead_lock_vect): Save number of locked states in
12303 automaton->locked_states. If it is zero, don't print anything.
12304 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12305 (output_internal_dead_lock_func): Only test the dead_lock_vect
12306 for automata that have locked states.
12307 (output_statistics): Always print the number of locked states for
12308 each automaton. Calculate total number of locked states here.
12309 (write_automata): Don't call output_dfa_max_issue_rate.
12310 * genattrtab.c: Define length_unit_log as a const variable.
12311 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12312 max_insn_queue_index const.
12313 * final.c (length_unit_log): Declare const.
12314 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12316 2006-01-22 Zack Weinberg <zackw@panix.com>
12318 * genautomata.c: Include vec.h, not varray.h.
12319 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12320 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12321 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12322 VEC_* macros operating on appropriately typed vectors, or to
12323 malloced arrays when the size is known in advance. Const-ify
12324 many char* variables and function arguments. No functional changes.
12325 * Makefile.in (build/varray.o): Delete rule.
12326 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12327 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12329 2006-01-22 Zack Weinberg <zackw@panix.com>
12331 * gensupport.c: Define get_insn_name and record_insn_name here.
12332 (read_md_rtx): Call record_insn_name as appropriate.
12333 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12334 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12335 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12336 record_insn_name.
12337 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12338 (BUILD_VARRAY): Delete.
12339 (genprognormal): Rename genprogmd. Fold in all programs from
12340 genprognoprint; also attrtab.
12341 (build/genattrtab): Just mention genautomata.o and varray.o.
12342 Reorganize a bit, add comments to make the categories clearer.
12344 2006-01-22 Zack Weinberg <zackw@panix.com>
12346 * genconditions.c (condition_table, add_condition): Delete.
12347 (write_conditions): Don't emit n_insn_conditions nor
12348 insn_elision_unavailable. Issue the gcc version #ifdef here,
12349 inside the table, with no #else clause ...
12350 (write_header): ...not here.
12351 (write_writer): New function.
12352 (main): Don't initialize condition_table. Use add_c_test.
12353 Call write_writer.
12354 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12355 files on the command line.
12356 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12357 Return -1 if there is no entry in the table, don't abort.
12358 (add_c_test, traverse_c_tests): New functions.
12359 * gensupport.h (insn_elision_unavailable, insn_conditions)
12360 (n_insn_conditions): Delete declarations.
12361 (add_c_test, traverse_c_tests): Declare.
12362 * read-rtl.c: Include gensupport.h.
12363 (read_conditions): New function.
12364 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12365 (read_rtx_1): If we get EOF when we were looking for an initial
12366 open paren, return 0. Call read_conditions when appropriate.
12367 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12368 dummy-conditions.o. Eliminate references to insn-conditions.o,
12369 or change them to build/gencondmd.o, as appropriate. Remove
12370 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12371 from $(simple_generated_c). For all files remaining in those
12372 two lists, add insn-conditions.md to the generator command line.
12373 Give insn-constants.h/s-constants their own rules. Add rules
12374 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12375 (build/read-rtl.o): Depend on gensupport.h.
12376 (genprognormal): Include preds.
12377 (genprogearly): Rename genprognoprint; only difference is now that
12378 they don't link with $(BUILD_PRINT).
12379 * dummy-conditions.c: Delete.
12381 2006-01-22 Zack Weinberg <zackw@panix.com>
12383 * genextract.c: Don't include insn-config.h. Do include vec.h.
12384 Declare vectors of int, char, and locstr.
12385 (locstr): New typedef.
12386 (struct extraction): Make all array fields into bare pointers.
12387 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12388 (insn_code_number): Delete.
12389 (accum_extract): New struct.
12390 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12391 (gen_insn): Take insn_code_number as an argument. Use an
12392 accum_extract structure instead of loading data directly into
12393 a struct extraction, and having to know how big it might get.
12394 (walk_rtx): Operate entirely on an accum_extract structure.
12395 (print_path): Avoid unnecessary use of printf.
12396 (print_header): New function, split out of main. Distinguish
12397 more carefully between an unrecognizable insn and an insn that
12398 has the code number of a define_expand.
12399 (main): Pass insn_code_number to gen_insn. Call print_header
12400 only after parsing. Avoid unnecessary use of printf.
12401 * Makefile.in (build/vec.o): New rule.
12402 (build/genextract): Depend on build/vec.o.
12403 (build/genextract.o): Don't depend on insn-config.h.
12405 2006-01-22 Zack Weinberg <zackw@panix.com>
12407 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12408 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12409 practical. Eliminate per-generator-program link rules.
12411 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12413 PR middle-end/24437
12414 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12415 with a call expr to ...
12416 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12418 2006-01-23 Richard Guenther <rguenther@suse.de>
12420 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12421 before make_edge with conditional EDGE_TRUE_VALUE.
12423 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12424 Jan Hubicka <jh@suse.cz>
12425 Richard Guenther <rguenther@suse.de>
12427 PR rtl-optimization/25654
12428 * cfgexpand.c (aggregate_contains_union_type): New function.
12429 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12430 for structure variables that contain a union type.
12432 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12434 * gengtype.c (new_structure): Return the structure.
12435 (create_option): Add an extra "next" argument.
12436 (create_field): New function.
12437 (adjust_field_rtx_def): Use create_option and create_field.
12438 Remove a now-unnecessary call to find_structure.
12439 (adjust_field_tree_def): Likewise.
12440 (note_yacc_type): Remove an unnecessary call to find_structure.
12441 * gengtype.h (new_structure): Return the structure.
12442 (create_option): Add an extra argument.
12443 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12444 (option): Adjust calls to create_option.
12446 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12448 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12450 2006-01-22 Paul Brook <paul@codesourcery.com>
12451 Peter Barada <peter@the-baradas.com>
12453 * config/m68k/m68k.md: Add Coldfire FPU support.
12454 Define FP mode macro and associated attributes.
12455 Use it for float mode patterns.
12456 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12457 (LIBCALL_VALUE): Use m68k_libcall_value.
12458 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12459 (m68k_function_value): Ditto.
12460 (emit_move_sequence): Ditto.
12461 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12462 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12463 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12464 (MULTILIB_EXCEPTIONS): Ditto.
12465 * config/m68k/m68k.opt: Add mcfv4e.
12466 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12467 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12468 (m68k_output_function_prologue): Save ColdFire FPU registers.
12469 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12470 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12471 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12472 ColdFire FPU registers.
12473 (m68k_libcall_value, m68k_function_value): New functions.
12474 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12475 (LIBCALL_VALUE): Use m68k_libcall_value.
12476 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12477 (MASK_COLDFIRE): Add MASK_CFV4E.
12478 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12479 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12480 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12481 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12482 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12483 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12484 * doc/invoke.tex: Document -mcfv4e on m68k.
12486 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12488 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12489 URL.
12491 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12493 PR c++/16190
12494 * c-opts.c (c_common_handle_option): Don't include
12495 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12496 * doc/invoke.texi (C++ Dialect Options): Document that
12497 -Wnon-virtual-dtor is no longer included in -Wall.
12499 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12501 * gcov.c (print_version), gcov-dump.c (print_version),
12502 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12503 dates.
12505 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12507 * df-scan.c (problem_SCAN): Added NULL reset function.
12508 (df_scan_reset_blocks): Added code to call reset block function
12509 (df_bb_refs_delete) Fixed comment.
12510 (df_insn_refs_delete): Made tolerant of deleting non existent info
12511 for dataflow problems that need to be reset.
12512 * df-core.c (df_set_blocks): Ditto.
12513 * df.h (struct df_problem): Added reset_fun.
12514 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12515 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12516 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12517 functions to clear out all references to def-use or use-def chains.
12519 2006-01-21 Ben Elliston <bje@au.ibm.com>
12521 * varasm.c (assemble_real): Initialise data array.
12523 2006-01-20 Paul Brook <paul@codesourcery.com>
12525 Merge from csl-arm-branch.
12526 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12527 * config/arm/arm.md (movdi): Force operands[1] to a register
12528 if we have a non-register source.
12529 (*arm_movdi, *movdf_soft_insn): Require that one of the
12530 operands be a register.
12531 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12532 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12534 2006-01-20 DJ Delorie <dj@redhat.com>
12536 * varasm.c (initializer_constant_valid_p): Allow pointers
12537 initialized from integer constants of lesser precision.
12538 (output_constant): Allow non-int-sized pointer modes to be
12539 initialized from integer constants.
12541 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12543 PR libstdc++/25524
12544 * cppdefault.h (struct default_include): Add multilib flag.
12545 * cppdefault.c (cpp_include_defaults): Set it.
12546 * c.opt (-imultilib): New option.
12547 * c-opts.c (imultilib): New.
12548 (c_common_handle_option): Handle -imultilib.
12549 (c_common_post_options): Likewise.
12550 * c-incpath.c (add_standard_paths, register_include_chains):
12551 Likewise.
12552 * c-incpath.h (register_include_chains): Add extra parameter.
12553 * gcc.c (do_spec_1): Generate -imultilib option.
12554 (The Specs Language): Update %I description.
12555 (process_command): Update copyright notice.
12556 * doc/cppopts.texi (-imultilib): Document.
12557 * doc/invoke.texi (-imultilib): Include in option summary.
12558 (%I): Update specs documentation.
12560 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12562 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12564 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12566 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12567 label numbers.
12569 2006-01-20 Richard Guenther <rguenther@suse.de>
12570 Steven Bosscher <stevenb.gcc@gmail.com>
12572 PR rtl-optimization/24626
12573 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12574 EDGE_TRUE_VALUE if in RTL mode.
12576 Revert
12577 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12578 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12580 2006-01-20 Dirk Mueller <dmueller@suse.com>
12582 PR c++/5520
12583 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12584 instead of a special NOP marker.
12585 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12586 NOP marker handling.
12587 * c-common.h (empty_body_warning): Add forward declaration.
12588 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12589 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12591 2006-01-20 Paul Brook <paul@codesourcery.com>
12593 * Makefile.in (lang_checks): Keep going if mkdir fails.
12595 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12597 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12598 be able to clean out basic block when not necessary.
12599 (df_scan_free): Fixed to properly delete information if df is
12600 unused before calling df_finish.
12601 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12602 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12603 or comment typos.
12604 (df_bb_refs_delete): New function.
12605 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12606 * df-core.c (df_set_blocks): Added code to properly clean out
12607 unused blocks if they are not part of the blocks to consider.
12608 Added additional null check.
12609 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12610 be able to clean out basic block when not necessary
12611 * df.h (df_free_bb_function): Ditto.
12612 (df_bb_refs_delete): New function.
12613 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12614 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12615 basic block parameter to be able to clean out basic block when not
12616 necessary.
12617 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12618 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12619 Fixed to properly delete information if df is unused before
12620 calling df_finish.
12622 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12624 PR rtl-optimization/25799
12625 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12626 Corrected confluence operator to remove bits from op2 before oring
12627 with op1 rather than removing bits from op1.
12628 (df_ru_transfer_function): Corrected test on wrong bitmap which
12629 caused infinite loop. Both of these problems were introduced in
12630 the dataflow rewrite.
12632 2006-01-19 DJ Delorie <dj@redhat.com>
12634 * reload1.c (find_reload_regs): Note the details of reload
12635 failures in the dump file.
12636 (spill_failure): Likewise.
12638 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12640 * loop-iv.c: Include df.h and hashtab.h.
12641 (enum iv_grd_result): New enum.
12642 (DF_REF_IV, DF_REF_IV_SET): New macros.
12643 (struct biv_entry): New.
12644 (df, bivs): New global variables.
12645 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12646 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12647 Removed.
12648 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12649 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12650 analyzed_for_bivness_p, record_biv): New functions.
12651 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12652 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12653 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12654 UD chains.
12655 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12656 analysed.
12657 (iv_number_of_iterations): Use new interface to iv analysis.
12658 * loop-unroll.c: Do not include varray.h.
12659 (analyze_iv_to_split_insn): Use new interface to iv
12660 analysis.
12661 * loop-unswitch.c (may_unswitch_on): Ditto.
12662 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12663 allocated.
12664 (df_bb_modify): Realloc tables to the new index.
12665 (df_find_use): New function.
12666 * df.h (df_find_use): Declare.
12667 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12668 outmode.
12669 * cfgloop.h (struct rtx_iv): Remove analysed field.
12670 (iv_get_reaching_def): Removed.
12671 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12672 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12673 (loop-iv.o): Add df.h and hashtab.h dependency.
12674 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12676 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12678 PR target/25668
12679 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12680 Double TFmode.
12681 (__floatundisf, __floatundidf): Likewise.
12682 * libgcc2.h (IS_IBM_EXTENDED): Define.
12684 2006-01-19 DJ Delorie <dj@redhat.com>
12686 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12688 2006-01-19 Paul Brook <paul@codesourcery.com>
12690 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12691 as nothrow when unwinding tables are disabled.
12693 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12695 PR testsuite/25171
12696 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12697 of bit-field" when in system header.
12699 2006-01-19 DJ Delorie <dj@redhat.com>
12701 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12702 the 16 bit shift limit of the m16c.
12704 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12706 PR target/22099
12707 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12708 * config/i386/i386.c (output_set_got): Output the label if we have one
12709 for the TARGET_DEEP_BRANCH_PREDICTION case.
12711 2006-01-19 Jan Hubicka <jh@suse.cz>
12712 H.J. Lu <hongjiu.lu@intel.com>
12713 Evandro Menezes <evandro.menezes@amd.com>
12715 * invoke.texi (generic): Document
12716 (i686) Update.
12717 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12718 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12719 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12720 (x86_use_incdec, x86_pad_returns): New variables
12721 (TARGET_CPU_DEFAULT_generic): New constant
12722 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12723 (enum processor_type): Add generic32 and generic64.
12724 * i386.md (cpu attribute): Add generic32/generic64
12725 (movhi splitter): Behave sanely when both partial_reg_dependency and
12726 partial_reg_stall are set.
12727 (K8 splitters): Enable for generic as well.
12728 * predicates.md (incdec_operand): Use TARGET_INCDEC
12729 (aligned_operand): Avoid memory mismatch stalls.
12730 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12731 * ppro.md: Enable for generic32
12732 * i386.c (generic64_cost, generic32_cost): New.
12733 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12734 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12735 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12736 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12737 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12738 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12739 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12740 x86_accumulate_outgoing_args, x86_prologue_using_move,
12741 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12742 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12743 Enable for generic.
12744 (x86_use_incdec, x86_pad_returns): New.
12745 (override_options): Add generic32 and generic64, translate "generic"
12746 to generic32/generic64 and "i686" to "generic32", refuse
12747 "generic32"/"generic64" as arch target.
12748 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12749 (ix86_reorg): Honor PAD_RETURNS.
12751 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12753 * tree-pretty-print.c (dump_generic_node): Handle
12754 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12755 * cgraph.c (cgraph_expand_queue): Rename from
12756 cgraph_analyze_queue. Update all users.
12757 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12758 cgraph_expand_queue.
12759 (cgraph_expand_all_functions): Likewise.
12760 (cgraph_finalize_pending_functions): Remove. Update callers.
12762 * tree.h (OMP_DIRECTIVE_P): Define.
12763 (OMP_PARALLEL_FN): Define.
12764 (OMP_PARALLEL_DATA_ARG): Define.
12765 (OMP_SECTIONS_SECTIONS): Define.
12766 * tree-pass.h (pass_expand_omp): Declare.
12767 * omp-low.c (struct omp_region): Declare.
12768 (struct omp_context): Remove fields 'parallel_type',
12769 'parallel_start_ix' and 'parallel_start_additional_args'.
12770 Update all users.
12771 (struct omp_for_data): Rename from struct expand_omp_for_data.
12772 (omp_regions): New static variable.
12773 (root_omp_region): New static variable.
12774 (find_omp_clause): Make static.
12775 (is_in_combined_parallel_ctx): Remove.
12776 (is_combined_parallel): New.
12777 (extract_omp_for_data): Move earlier in the file.
12778 (workshare_safe_to_combine_p): New.
12779 (get_ws_args_for): New.
12780 (determine_parallel_type): Move earlier in the file.
12781 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12782 child function.
12783 (omp_copy_decl): Likewise.
12784 (create_omp_child_function): Likewise.
12785 (lookup_omp_region): New.
12786 (dump_omp_region): New.
12787 (debug_omp_region): New.
12788 (debug_all_omp_regions): New.
12789 (new_omp_region): New.
12790 (scan_omp_parallel): If parallel_nesting_level > 1, the
12791 directive is nested within another parallel directive.
12792 Set OMP_PARALLEL_FN.
12793 (scan_omp_for): Do not try to handle combined parallel+for
12794 cases.
12795 Remove FIXME comment.
12796 (scan_omp_nested): Remove.
12797 (scan_omp_1): Do not call scan_omp_nested when
12798 parallel_nesting_level is > 1.
12799 Do not change the DECL_CONTEXT of local variables found.
12800 (lookup_decl_in_outer_ctx): New.
12801 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12802 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12803 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12804 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12805 If CTX is nested, lookup VAR in the outer context when
12806 building copy assignment.
12807 (lower_send_clauses): Rename from expand_send_clauses.
12808 If CTX is nested, lookup VAR in the outer context when
12809 building copy assignments.
12810 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12811 If CTX is nested, lookup VAR in the outer context when
12812 building copy assignments.
12813 (expand_parallel_call): Rename from build_parallel_call.
12814 Handle combined parallel+workshare cases.
12815 Re-implement to emit code into the CFG.
12816 (list2chain): New.
12817 (expand_omp_parallel): Re-implement to emit code into the CFG.
12818 Call move_sese_region_to_fn to outline the sub-graph
12819 containing the parallel region.
12820 (expand_omp_for_1): Remove.
12821 (expand_omp_for_generic): Re-implement to emit code into the
12822 CFG.
12823 (expand_omp_for_static_nochunk): Likewise.
12824 (expand_omp_for_static_chunk): Likewise.
12825 (expand_omp_for): Likewise.
12826 (expand_omp_sections): Likewise.
12827 (remove_exit_barriers): New.
12828 (expand_omp_synch): New.
12829 (expand_omp): New.
12830 (build_omp_regions_1): New.
12831 (build_omp_regions): New.
12832 (execute_expand_omp): New.
12833 (gate_expand_omp): New.
12834 (pass_expand_omp): Define.
12835 (lower_omp_sections): Rename from expand_omp_sections.
12836 Set OMP_SECTIONS_SECTIONS.
12837 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12838 (lower_omp_single_copy): Rename from expand_omp_single_copy.
12839 (lower_omp_single): Rename from expand_omp_simple.
12840 (lower_omp_master): Rename from expand_omp_master.
12841 (lower_omp_ordered): Rename from expand_omp_ordered.
12842 (lower_omp_critical): Rename from expand_omp_critical.
12843 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
12844 (lower_omp_for): Re-implement.
12845 (lower_omp_parallel): Re-implement.
12846 (lower_regimplify): Rename from expand_regimplify.
12847 (lower_omp_1): Rename from expand_omp_1.
12848 If there are syntax errors in the program, replace every
12849 OpenMP directive with NOP.
12850 Call lower_omp_* instead of expand_omp_*.
12851 (lower_omp): Rename from expand_omp.
12853 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
12854 * tree-gimple.h (enum omp_parallel_type): Remove.
12855 (gimple_boolify): Declare extern.
12856 (find_omp_clause, determine_parallel_type): Remove.
12858 * gimple-low.c (lower_omp_directive): New.
12859 (lower_stmt): Call it.
12860 (record_vars_into): Move from ...
12861 (record_vars): ... here.
12862 Call record_vars_into with current_function_decl.
12864 * gimplify.c (struct gimplify_ctx): Remove fields
12865 combined_pre_p and combined_ctxp. Update users.
12866 (get_formal_tmp_var): Add documentation.
12867 (gimple_boolify): Make extern.
12868 (gimplify_expr_in_ctx): Remove. Update callers.
12869 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
12870 will always be a BIND_EXPR.
12871 (gimplify_expr): Handle OMP_RETURN_EXPR.
12872 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
12873 (OMP_PARALLEL): Add 3 operands.
12874 (OMP_SECTIONS): Add 1 operand.
12875 (OMP_RETURN_EXPR): Define.
12877 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
12878 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
12879 * tree-iterator.c (alloc_stmt_list): Assert that we are not
12880 creating a circular free list.
12881 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
12883 * tree-flow.h (move_sese_region_to_fn): Declare.
12884 (record_vars_into): Declare.
12885 * tree-cfg.c (make_omp_sections_edges): New.
12886 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
12887 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
12888 OMP_SECTIONS and OMP_SECTION.
12889 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
12890 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
12891 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
12892 (gather_blocks_in_sese_region): New.
12893 (struct move_stmt_d): Declare.
12894 (move_stmt_r): New.
12895 (move_block_to_fn): New.
12896 (move_sese_region_to_fn): New.
12898 * passes.c (init_optimization_passes): Schedule
12899 pass_expand_omp after pass_init_datastructures.
12901 * tree-ssa-operands.c (get_expr_operands): Handle
12902 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
12903 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
12905 2006-01-19 Jeff Law <law@redhat.com>
12907 * tree-vrp.c (extract_range_from_assert): Refine the result range
12908 if the variable referenced by the ASSERT_EXPR has a range and
12909 either the tentative result range or the previous range is a
12910 VR_ANTI_RANGE.
12912 2006-01-19 Richard Sandiford <richard@codesourcery.com>
12914 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
12916 2006-01-19 Jan Hubicka <jh@suse.cz>
12918 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
12920 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
12922 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
12923 (expand_compound_operation, expand_field_assignment): Fail if the
12924 bit lengths of an extract operation are out of range.
12925 (make_extraction): Compute wanted_inner_mode based on the position
12926 and length of the extraction. Make it extraction_mode for non-constant
12927 positions, and do not modify offset in that case. When generating a
12928 new MEM, use a mode that can hold the extraction while keeping correct
12929 alignment. Remove code that supported MEMs wrapped by USEs.
12930 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
12932 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
12934 * config/s390/s390.md ("Y", "y"): New mode attribute.
12935 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
12936 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
12937 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
12938 "*addsi3_imm_cc", "*addsi3_carry1_cc",
12939 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
12940 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
12941 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
12942 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
12943 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
12944 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
12945 "addsi3", "subsi3"): Insn patterns removed.
12946 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
12947 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
12948 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
12949 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
12950 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
12951 "*sub<mode>3_cconly2"): New insn patterns.
12952 ("addsi3", "subsi3"): New expanders.
12954 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
12956 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
12957 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
12958 existing STMT_VINFO_VECTYPE if available.
12959 (vect_mark_relevant): Add special handling for stmts that are
12960 marked as STMT_VINFO_IN_PATTERN_P.
12961 (vect_analyze_loop): Call vect_pattern_recog.
12962 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
12963 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
12964 stmt_info.
12965 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
12966 (vect_recog_func_ptr): New function-pointer type.
12967 * tree-vect-patterns.c: New file.
12968 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
12969 (vect_recog_dot_prod_pattern, vect_pattern_recog):
12970 (vect_pattern_recog_1): New functions.
12971 (vect_pattern_recog_funcs): New array of function pointers.
12973 * tree-vectorizer.h (ternary_op): New enum value.
12974 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
12975 declaration. Revised documentation. Removed redundant dump prints.
12976 Removed redundant argument. Added support for reduction patterns.
12977 (vectorizable_reduction): Added support for reduction patterns.
12978 (vect_transform_stmt): Added support for patterns.
12980 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
12981 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
12982 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
12983 (expand_widen_pattern_expr): New function.
12984 (init_optabs): Initialize new optabs udot_prod_optab,
12985 sdot_prod_optab.
12986 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
12987 (sdot_prod_optab, udot_prod_optab): Define new optabs.
12988 (expand_widen_pattern_expr): New function declaration.
12989 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
12990 tree-codes.
12991 * tree-inline.c (estimate_num_insns_1): Added cases for new
12992 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12993 * tree-pretty-print.c (dump_generic_node): Likewise.
12994 (op_prio): Likewise.
12995 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
12996 * tree-ssa-operands.c (get_expr_operands): Added case for
12997 DOT_PROD_EXPR.
12998 * tree-vect-patterns.c (widened_name_p): New function.
12999 (vect_recog_dot_prod_pattern): Added function implementation.
13000 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13001 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13002 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13003 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13005 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13006 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13007 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13008 (init_optabs): Initialize new optabs widen_ssum_optab,
13009 widen_usum_optab.
13010 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13011 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13012 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13013 use instead of type of def.
13014 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13015 function implementation.
13016 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13017 widen_ssumv8hi): New.
13019 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13020 patterns.
13022 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13024 PR c/25805
13025 * c-decl.c (add_flexible_array_elts_to_size): New function.
13026 (finish_decl): Use it.
13028 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13030 * diagnostic.h: Include options.h.
13031 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13032 dependancies for diagnostic.h.
13033 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13035 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13037 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13038 (ssa_ro_call_cache_valid): Ditto.
13039 * tree-ssa-alias.c (sort_tags_by_id): New function.
13040 (init_transitive_clobber_worklist): Ditto.
13041 (add_to_worklist): Ditto.
13042 (mark_aliases_call_clobbered): Ditto.
13043 (compute_tag_properties): Ditto.
13044 (set_initial_properties): Ditto.
13045 (compute_call_clobbered): Ditto.
13046 (compute_may_aliases): Call compute_call_clobbered and grouping.
13047 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13048 (compute_flow_insensitive_aliasing): Grouping now happens in our
13049 caller.
13050 (setup_pointers_and_addressables): Remove clobbering related code.
13051 (add_may_alias): Ditto.
13052 (replace_may_alias): Ditto.
13053 (get_nmt_for): Ditto.
13054 (create_global_var):
13055 (is_escape_site): Return an escape_type enumeration.
13056 * tree-flow-inline.h (is_call_clobbered): Global var does not
13057 imply call clobbered.
13058 (mark_call_clobbered): Take a reason for marking this. Remove
13059 marking of globalness, and cache invalidation.
13060 (clear_call_clobbered): Remove cache invalidation code.
13061 * tree-dfa.c (dump_variable): If details is on, dump the reason
13062 for escaping.
13063 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13064 variable.
13065 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13066 (struct var_ann_d): Ditto.
13067 (enum escape_type): New.
13068 (mark_call_clobbered): Adjust prototype.
13069 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13070 are never call clobbered.
13071 Record reasons for escaping.
13072 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13073 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13074 (ssa_ro_call_cache_valid): Ditto.
13075 (clobbered_v_may_defs): Ditto.
13076 (clobbered_vuses): Ditto.
13077 (ro_call_vuses): Ditto.
13078 (clobber_stats): New.
13079 (init_ssa_operands): Zero out clobber stats.
13080 (fini_ssa_operands): Print out clobber stats.
13081 (get_call_expr_operands): Pass callee fndecl to
13082 add_call_read_ops).
13083 (add_call_clobber_ops): Remove use of cache.
13084 Add use of PURE_CONST information.
13085 (add_call_read_ops): Remove use of cache.
13086 Add use of static not_read information.
13088 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13090 Introduce TLS descriptors for i386 and x86_64.
13091 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13092 (TARGET_ANY_GNU_TLS): New macro.
13093 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13094 (struct machine_function): Add tls_descriptor_call_expanded_p.
13095 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13096 (ix86_current_function_calls_tls_descriptor): Likewise.
13097 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13098 (override_options): Introduce gnu2 tls dialect.
13099 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13100 not leaves.
13101 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13102 Likewise.
13103 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13104 (ix86_init_machine_status): Initialize new field.
13105 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13106 (ix86_tls_module_base): New.
13107 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13108 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13109 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13110 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13111 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13112 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13113 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13114 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13115 * config/i386/predicates.md (tls_modbase_operand): New.
13116 (tp_or_register_operand): New.
13118 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13120 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13121 (look_for_address_of): Ditto.
13122 (ipa_init): Walk the function decls.
13123 (static_execute): Don't set readonly on FUNCTION_DECL's.
13125 2006-01-18 Roger Sayle <roger@eyesopen.com>
13127 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13128 for shifts where the source and destination registers are different.
13130 2006-01-18 Paul Brook <paul@codesourcery.com>
13132 Merge from csl-arm-branch.
13133 2005-03-14 Julian Brown <julian@codesourcery.com>
13134 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13135 (aeabi_llsl): Likewise.
13136 (ashrdi3): Likewise.
13137 (aeabi_lasr): Likewise.
13138 (lshrdi3): Likewise.
13139 (aeabi_llsr): Likewise.
13140 2005-03-10 Julian Brown <julian@codesourcery.com>
13141 * config.gcc: Disable shared libgcc for SymbianOS.
13142 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13144 2006-01-18 DJ Delorie <dj@redhat.com>
13146 * c-pragma.c (handle_pragma_diagnostic): New.
13147 (init_pragma): Register it.
13148 * doc/extend.texi: Document it.
13150 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13151 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13152 (diagnostic_context): Add classify_diagnostic[].
13153 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13154 as errors if they're overridden to DK_WARNING.
13155 (diagnostic_initialize): Initialize classify_diagnostic[].
13156 (diagnostic_set_kind_override): New.
13157 (diagnostic_report_diagnostic): Check for kind changes.
13158 * opts.c (common_handle_option): Take lang_mask. Update callers.
13159 Handle OPT_Werror_.
13160 * common.opt (Werror=): New.
13161 * doc/invoke.texi: Document -Werror=*
13163 2006-01-18 Jeff Law <law@redhat.com>
13165 * tree-vrp.c (test_for_singularity): Correct test for new
13166 min limit. Use operand_equal_p rather than pointer equality
13167 for testing if new min/max values are equal.
13169 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13170 using range information until after propagation and folding.
13172 2006-01-18 Richard Henderson <rth@redhat.com>
13173 Aldy Hernandez <aldyh@redhat.com>
13174 Jakub Jelinek <jakub@redhat.com>
13175 Diego Novillo <dnovillo@redhat.com>
13177 * omp-low.c: New file.
13178 * c-omp.c: New file.
13180 2006-01-18 Richard Henderson <rth@redhat.com>
13181 Jakub Jelinek <jakub@redhat.com>
13182 Diego Novillo <dnovillo@redhat.com>
13184 * doc/invoke.texi: Document -fopenmp.
13185 * tree-dump.h (debug_function): Declare.
13186 * hooks.c (hook_bool_tree_bool_false): New function.
13187 (hook_tree_tree_null): Remove.
13188 (hook_tree_tree_tree_null): New.
13189 * hooks.h: Update to match.
13190 * tree-pretty-print.c (debug_tree_chain): New.
13191 (print_generic_expr): Handle TDF_CHAIN.
13192 (dump_generic_node): Handle BLOCK.
13193 Do not abort with incomplete SWITCH_EXPRs.
13194 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13195 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13196 print space after directive name.
13197 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13198 Handle OMP_MASTER and OMP_ORDERED.
13199 Handle printing of OMP_BODY just in one place, goto
13200 dump_omp_body in the rest of OMP_* nodes that have
13201 OMP_BODY.
13202 Don't handle clause nodes here. Update omp statements to
13203 use dump_omp_clauses.
13204 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13205 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13206 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13207 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13208 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13209 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13210 Adjust output for GOMP_PARALLEL.
13211 (dump_omp_clauses): New.
13212 (print_declaration): Dump DECL_VALUE_EXPR.
13213 (op_symbol_1): Split out of op_symbol.
13214 (dumping_stmts): Remove. Update all users.
13215 * cgraph.c (cgraph_analyze_queue): New.
13216 (cgraph_add_new_function): New.
13217 * cgraph.h (cgraph_analyze_queue): Declare.
13218 (cgraph_add_new_function): Declare.
13219 (cgraph_lower_function): Remove.
13220 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13221 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13222 and TYPE_P nodes in its default clause.
13223 (empty_body_p): New.
13224 (tree_range_check_failed): New.
13225 (build5_stat): New.
13226 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13227 OMP_CLAUSE_REDUCTION_MERGE,
13228 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13229 OMP_CLAUSE_PRIVATE_DEBUG,
13230 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13231 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13232 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13233 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13234 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13235 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13236 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13237 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13238 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13239 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13240 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13241 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13242 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13243 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13244 (TREE_RANGE_CHECK): New.
13245 (empty_body_p): Declare.
13246 (enum omp_clause_default_kind): New.
13247 (build_string_literal): Declare.
13248 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13249 (build5_stat, build5): Declare.
13250 * tree-pass.h (TDF_CHAIN): Define.
13251 * tree-pass.h (PROP_gimple_lomp): Define.
13252 (pass_lower_omp): Declare.
13253 * diagnostic.h (debug_tree_chain): Declare.
13254 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13255 mode_for_size.
13256 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13257 * builtins.c (build_string_literal): Make extern.
13258 * gcc.c (include_spec_function): New.
13259 (static_spec_functions): Add it.
13260 (main): Move load of libgomp.spec ...
13261 (LINK_COMMAND_SPEC): ... here.
13262 (link_gomp_spec): New.
13263 (static_specs): Include it.
13264 (LINK_COMMAND_SPEC): Add link_gomp.
13265 (GOMP_SELF_SPECS): New.
13266 (driver_self_specs): Include it.
13267 (switch_matches): Don't mark inline.
13268 (main): Load libgomp.spec.
13269 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13270 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13271 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13272 * tree-gimple.h (enum omp_parallel): Declare.
13273 (determine_parallel_type): Declare.
13274 (omp_firstprivatize_variable): Declare.
13275 (omp_reduction_init): Declare.
13276 (diagnose_omp_structured_block_errors): Declare.
13277 (struct walk_stmt_info): Add want_return_expr.
13278 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13279 (find_omp_clause): Declare.
13280 (insert_field_into_struct): Declare.
13281 (struct walk_stmt_info): Move from tree-nested.c
13282 (walk_stmts): Declare.
13283 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13284 to 200505.
13285 * cgraphunit.c (cgraph_lower_function): Make static.
13286 (cgraph_finalize_pending_functions): New.
13287 (cgraph_finalize_function): Call it.
13288 (cgraph_finalize_compilation_unit): Likewise.
13289 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13290 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13291 (BT_FN_UINT_UINT): New.
13292 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13293 DEF_FUNCTION_TYPE_VAR_4): Document.
13294 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13295 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13296 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13297 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13298 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13299 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13300 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13301 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13302 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13303 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13304 into separate files.
13305 (DEF_GOMP_BUILTIN): New.
13306 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13307 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13308 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13309 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13310 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13311 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13312 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13313 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13314 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13315 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13316 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13317 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13318 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13319 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13320 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13321 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13322 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13323 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13324 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13325 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13326 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13327 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13328 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13329 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13330 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13331 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13332 * sync-builtins.def: New file, moved from builtins.def.
13333 * omp-builtins.def: New file, moved from builtins.def.
13334 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13335 * gimple-low.c (lower_function_body): Clear data.
13336 (lower_stmt): Do not handle COMPOUND_EXPR.
13337 Remove call to print_node_brief.
13338 * c-tree.h (c_finish_omp_clauses): New prototype.
13339 (C_DECL_THREADPRIVATE_P): Define.
13340 (lookup_name_no_remap, c_omp_remap_private): Remove
13341 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13342 (check_for_loop_decls): Update decl.
13343 (lookup_name_no_remap, c_omp_remap_private): Declare.
13344 (build_indirect_ref, build_modify_expr, pushdecl,
13345 pushdecl_top_level): Move to c-common.h.
13346 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13347 before the switch, but just in the 2 places that need it.
13348 * c-decl.c (diagnose_mismatched_decls): Do not check for
13349 mismatched thread-local attributes when OLDDECL is marked
13350 threadprivate and NEWDECL has no thread-local attributes.
13351 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13352 (c_gimple_diagnostics_recursively): Rename from
13353 c_warn_unused_result_recursively. Invoke
13354 diagnose_omp_structured_block_errors.
13355 (check_for_loop_decls): Return a singular decl found.
13356 * langhooks.c (lhd_omp_predetermined_sharing): Return
13357 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13358 (lhd_omp_firstprivatize_type_sizes): New.
13359 (lhd_omp_assignment): New.
13360 (lhd_omp_predetermined_sharing): New.
13361 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13362 (struct lang_hooks_for_types): Add
13363 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13364 omp_predetermined_sharing, omp_disregard_value_expr,
13365 omp_private_debug_clause, omp_clause_default_ctor,
13366 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13367 (c_finish_omp_clauses): New.
13368 (c_finish_bc_stmt): Diagnose break within omp for.
13369 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13370 (build_unary_op): Return error_mark after reporting
13371 a readonly_error.
13372 (build_modify_expr): Likewise.
13373 * gimplify.c: Include optabs.h and pointer-set.h.
13374 (enum gimplify_omp_var_data): Declare.
13375 (struct gimplify_omp_ctx): Declare.
13376 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13377 and combined_ctxp.
13378 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13379 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13380 (splay_tree_compare_decl_uid): New.
13381 (new_omp_context): New.
13382 (delete_omp_context): New.
13383 (gimple_add_tmp_var): Call omp_add_variable.
13384 (gimplify_bind_expr): Likewise.
13385 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13386 true, disregard DECL_VALUE_EXPR on the decl if any.
13387 (gimplify_expr_in_ctx): New.
13388 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13389 omp_add_variable, omp_notice_variable, omp_is_private
13390 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13391 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13392 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13393 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13394 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13395 gimplify_omp_atomic): New.
13396 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13397 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13398 OMP_CRITICAL and OMP_ATOMIC.
13399 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13400 * c-pragma.h (enum pragma_kind): Add
13401 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13402 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13403 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13404 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13405 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13406 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13407 PRAGMA_OMP_THREADPRIVATE.
13408 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13409 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13410 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13411 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13412 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13413 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13414 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13415 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13416 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13417 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13418 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13419 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13420 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13421 OpenMP directives.
13422 (struct nesting_info): Add field_map,
13423 suppress_expansion, debug_var_chain.
13424 (create_nesting_tree): Initialize them.
13425 (lookup_field_for_decl): Use field_map.
13426 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13427 (convert_local_omp_clauses): New.
13428 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13429 (walk_body): Split out of walk_function.
13430 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13431 (convert_nonlocal_reference): Handle omp statements.
13432 (convert_local_reference): Likewise.
13433 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13434 (unnest_nesting_tree): New.
13435 (lower_nested_functions): Call it.
13436 (insert_field_into_struct): Make extern.
13437 (struct walk_stmt_info): Move to tree-gimple.h.
13438 (walk_stmts): Make extern.
13439 * omp-builtins.def: New file.
13440 * tree-iterator.c (expr_only): Clarify comment.
13441 * c-common.h (pushdecl_top_level, pushdecl,
13442 build_modify_expr, build_indirect_ref,
13443 c_finish_omp_master, c_finish_omp_critical,
13444 c_finish_omp_ordered, c_finish_omp_barrier,
13445 c_finish_omp_atomic, c_finish_omp_flush,
13446 c_finish_omp_for, c_split_parallel_clauses,
13447 omp_clause_default_kind, c_omp_sharing_predetermined,
13448 c_omp_remap_decl): Declare.
13449 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13450 (OBJS-common): Add omp-low.o.
13451 (c-omp.o, omp-low.o): Add.
13452 (gimplify.o): Add dependency on $(OPTABS_H).
13453 (GTFILES): Add omp-low.c.
13454 (gt-stringpool.h): Add.
13455 * tree-cfg.c (set_bb_for_stmt): Do not update the
13456 block-to-labels map if we are currently expanding to RTL.
13457 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13458 checks.
13459 Handle IDENTIFIER_NODE.
13460 (tree_verify_flow_info): Do not ICE when emitting error
13461 messages about invalid labels.
13462 (dump_function_to_file): Reset CFUN before emitting the body
13463 of the function.
13464 (debug_function): New.
13465 * passes.c (init_optimization_passes): Schedule
13466 pass_lower_omp.
13467 * langhooks-def.h (lhd_omp_predetermined_sharing,
13468 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13469 Declare.
13470 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13471 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13472 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13473 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13474 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13475 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13476 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13477 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13478 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13479 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13480 (LANG_HOOK_DECLS): Use them.
13482 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13483 Richard Henderson <rth@redhat.com>
13484 Jakub Jelinek <jakub@redhat.com>
13485 Diego Novillo <dnovillo@redhat.com>
13487 * c-parser.c (pragma_omp_clause): Define.
13488 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13489 (c_parser_compound_statement): Likewise.
13490 (c_parser_statement): Likewise.
13491 (c_parser_pragma): Handle omp pragmas.
13492 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13493 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13494 (c_parser_omp_clause_name, check_no_duplicate_clause,
13495 c_parser_omp_variable_list,
13496 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13497 c_parser_omp_clause_copyprivate,
13498 c_parser_omp_clause_default,
13499 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13500 c_parser_omp_clause_lastprivate,
13501 c_parser_omp_clause_nowait,
13502 c_parser_omp_clause_num_threads,
13503 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13504 c_parser_omp_clause_reduction,
13505 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13506 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13507 c_parser_omp_atomic, c_parser_omp_barrier,
13508 c_parser_omp_critical, c_parser_omp_flush,
13509 c_parser_omp_for_loop, c_parser_omp_for,
13510 c_parser_omp_master, c_parser_omp_ordered,
13511 c_parser_omp_sections_scope, c_parser_omp_sections,
13512 c_parser_omp_parallel, c_parser_omp_single,
13513 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13514 * c-pragma.c (init_pragma): Do omp pragma registration here.
13515 * c.opt (fopenmp): New flag.
13517 2006-01-18 Eric Christopher <echristo@apple.com>
13519 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13520 * config/darwin.h (GOMP_SELF_SPECS): Define.
13522 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13524 * rtl.h: Remove the prototype for reg_alloc.
13526 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13528 PR target/25731
13529 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13530 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13531 sjlj and dwarf2 exception handling.
13532 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13533 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13534 * pa/pa.c (function_value): Treat complex and vector types as
13535 aggregates.
13536 (function_arg): Likewise. Only pass scalar floats in the floating
13537 point argument registers.
13538 * pa/t-slibgcc-dwarf-ver: New file.
13539 * pa/t-slibgcc-sjlj-ver: New file.
13540 * pa/t-slibgcc-elf-ver: Delete file.
13542 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13544 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13545 unlikely_test_section_p test.
13547 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13549 * mode-switching.c (optimize_mode_switching): Make it static.
13550 * basic-block.h: Remove the prototype for
13551 optimize_mode_switching.
13553 * modulo-sched.c (sms_schedule): Make it static.
13554 * rtl.h: Remove the prototype for sms_schedule.
13556 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13557 * rtl.h: Remove the prototype for gcse_after_reload_main.
13559 * reg-stack.c (reg_to_stack): Make it static.
13560 * rtl.h: Remove the prototype for reg_to_stack.
13562 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13563 Make them static.
13564 * rtl.h: Remove the prototypes for regrename_optimize and
13565 copyprop_hardreg_forward.
13567 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13569 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13570 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13571 Test against the appropriate null constant for the mode.
13572 If 'fixup_overlap' is true, swap the operands if they overlap.
13573 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13574 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13575 alpha_split_tmode_pair and adjust for above change.
13576 * config/alpha/alpha.md (movtf_internal): Adjust call to
13577 alpha_split_tfmode_pair and rely on it to swap the operands.
13578 (movti_internal): New insn and post-reload splitter.
13579 (movti): New expander.
13581 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13583 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13584 operands.
13586 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13588 * rtlanal.c (global_reg_mentioned_p_1,
13589 global_reg_mentioned_p): Remove.
13590 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13592 * flow.c (initialize_uninitialized_subregs): Make it static.
13593 * rtl.h: Remove the prototype for
13594 initialize_uninitialized_subregs.
13596 * function.c (instantiate_virtual_regs): Make it static.
13597 * function.h: Remove the prototype for
13598 instantiate_virtual_regs.
13600 * regmove.c (regmove_optimize, combine_stack_adjustments):
13601 Make them static.
13602 * rtl.h: Remove the prototypes for regmove_optimize and
13603 combine_stack_adjustments.
13605 2006-01-17 Roger Sayle <roger@eyesopen.com>
13607 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13608 (size_cost): Encode costs in bytes so that a reg-reg addition is
13609 equivalent to COSTS_N_INSNS(1).
13610 (override_options): Use the size_cost.branch_cost as the default
13611 ix86_branch_cost when optimizing for size.
13613 2006-01-18 Ben Elliston <bje@au.ibm.com>
13615 * Makefile.in (D32PBIT_FUNCS): New.
13616 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13617 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13618 D64PBIT_FUNCS and D128PBIT_FUNCS.
13619 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13620 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13621 D128PBIT are set.
13622 (decnumber_dep): Define.
13623 * doc/libgcc.texi (Decimal float library routines): New node.
13624 * config/dfp-bit.h, config/dfp-bit.c: New files.
13626 2006-01-18 Ben Elliston <bje@au.ibm.com>
13628 * expr.c (emit_move_change_mode): Always adjust addresses, not
13629 just during reload. Copy replacements only during reload.
13630 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13631 emit_move_via_integer.
13633 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13635 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13636 instead of $(srcdir) and ${srcdir}.
13638 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13640 PR target/592
13641 PR middle-end/11135
13642 * arm.h (struct machine_function): Add pic_reg.
13643 * arm.c (arm_pic_register): Make unsigned.
13644 (arm_override_options): Only set arm_pic_register if
13645 TARGET_SINGLE_PIC_BASE.
13646 (use_return_insn): Only test for a pic register if it is fixed.
13647 (arm_compute_save_reg0_reg12_mask): Likewise.
13648 (thumb_compute_save_reg_mask): Likewise.
13649 (legitimate_pic_operand): Factor out some known invariants.
13650 (legitimize_pic_address): If we don't have a fixed pic register,
13651 then set up a pseudo in the function entry sequence. Handle the
13652 pic base being in a pseudo.
13653 (arm_load_pic_register): Handle the pic register being in a pseudo.
13654 (arm_expand_prologue): Only set up the pic register if it is fixed.
13655 (thumb_expand_prologue): Likewise.
13656 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13657 (pic_load_addr_based_insn): Likewise.
13658 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13659 fixed.
13661 2006-01-18 Ben Elliston <bje@au.ibm.com>
13663 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13664 decimal float modes for all floating point registers.
13666 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13667 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13669 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13671 PR c/25682
13672 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13673 even when the pointer is not NULL.
13675 2006-01-16 Ian Lance Taylor <ian@airs.com>
13677 * common.opt (ftoplevel-reorder): New option.
13678 * cgraph.c (cgraph_asm_nodes): New global variable.
13679 (cgraph_asm_last_node): New static variable.
13680 (cgraph_order): New global variable.
13681 (cgraph_create_node): Set new order field.
13682 (cgraph_varpool_node): Likewise.
13683 (decide_is_variable_needed): Return true if not
13684 flag_toplevel_reorder.
13685 (cgraph_add_asm_node): New function.
13686 * cgraph.h (struct cgraph_node): Add order field.
13687 (struct cgraph_varpool_node): Add order field.
13688 (struct cgraph_asm_node): Define.
13689 (cgraph_asm_nodes, cgraph_order): Declare.
13690 (cgraph_add_asm_node): Declare.
13691 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13692 function.
13693 (cgraph_varpool_assemble_pending_decls): Call it.
13694 (cgraph_output_pending_asms): New static function.
13695 (cgraph_finalize_compilation_unit): Call it.
13696 (struct cgraph_order_sort): Define.
13697 (cgraph_output_in_order): New static function.
13698 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13699 !flag_toplevel_reorder case.
13700 * c-parser.c: Include "cgraph.h".
13701 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13702 assemble_asm.
13703 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13704 than -fno-unit-at-a-time.
13705 * doc/invoke.texi (Option Summary): Mention
13706 -fno-toplevel-reorder.
13707 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13708 -funit-at-a-time documentation.
13710 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13711 Kazu Hirata <kazu@codesourcery.com>
13713 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13715 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13717 * Makefile.in (FUNCTION_H): New. Use it instead of
13718 function.h throughout the file.
13719 * function.h: Include tree.h.
13721 2006-01-17 Ben Elliston <bje@au.ibm.com>
13723 * recog.c: Separate some functions with whitespace.
13725 2006-01-16 Richard Henderson <rth@redhat.com>
13727 Merge from gomp branch:
13728 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13729 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13730 and rename from struct inline_data. Rename callee* to dst*;
13731 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13732 transform_new_cfg, transform_return_to_modify, and
13733 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13734 update_clones_p.
13735 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13736 (copy_decl_for_dup): Remove.
13737 * tree-inline.c (struct inline_data): Move to header.
13738 (insert_decl_map): Export.
13739 (remap_decl): Update for member name changes. Use copy_decl hook.
13740 Allow for replacement to be a non-decl. Remove dead code.
13741 (remap_type_1): Check for existing mapping.
13742 (remap_type): Export.
13743 (remap_decls): Update for member name changes.
13744 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13745 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13746 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13747 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13748 (tree_function_versioning, build_duplicate_type): Likewise.
13749 (copy_body_r): Likewise. Export.
13750 (copy_decl_for_dup): Split into ...
13751 (copy_decl_for_dup_finish, copy_decl_to_var,
13752 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13753 (replace_ref_tree, inlining_p): Remove.
13755 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13757 * ifcvt.c (if_convert): Make it static.
13758 * rtl.h: Remove the prototype for if_convert.
13760 * local-alloc.c (local_alloc): Make it static.
13761 * rtl.h: Remove the prototype for local_alloc.
13763 * loop.c (loop_optimize): Make it static.
13764 * cfgloop.h: Remove the prototype for loop_optimize.
13765 * rtl.h: Likewise.
13767 2006-01-16 DJ Delorie <dj@redhat.com>
13769 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13770 mems.
13772 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13774 * pa.md: Disparage copies between general and floating-point registers
13775 in 32-bit move patterns.
13777 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13779 PR testsuite/25741
13780 * Makefile.in (check-%): Depend on site.exp instead of
13781 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13782 directories.
13784 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13786 * global.c (global_alloc): Make it static.
13787 * rtl.h: Remove the prototype for global_alloc.
13789 2006-01-16 Richard Guenther <rguenther@suse.de>
13791 * tree-ssa-alias.c (struct used_part): Add write_only field.
13792 (get_or_create_used_part_for): Initialize it to true.
13793 (create_overlap_variables_for): Don't create structure variables
13794 for structures that only are written to.
13795 (find_used_portions): Handle MODIFY_EXPR to track whether a
13796 structure is only written to.
13798 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13800 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13801 static.
13802 * basic-block.h: Remove the prototype for
13803 partition_hot_cold_basic_blocks.
13805 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13807 * cppspec.c (lang_specific_spec_functions): Remove.
13808 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13809 * gcc.h (lang_specific_spec_functions): Remove.
13810 * gccspec.c (lang_specific_spec_functions): Remove.
13812 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13814 * combine.c (record_value_for_reg): Invalidate registers
13815 if INSN is null.
13816 (record_dead_and_set_regs_1): Likewise, by passing them to
13817 record_value_for_reg.
13818 (record_dead_and_set_regs): Invalidate stores made by a
13819 call. We do not combine across a call, but we still
13820 relied on equivalences.
13822 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13824 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13825 vrp_int_const_binop returning non-constant nodes.
13827 2006-01-16 Paul Brook <paul@codesourcery.com>
13829 * config/m68k/m68k.c (output_move_const_into_data_reg):
13830 Output correct mnemonic for mvz and mvs.
13832 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13834 * rtl-factoring.c: Add sequence abstraction algorithm.
13835 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13836 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13837 ABNORMAL edges.
13838 (block_has_preserve_label): New function.
13839 * common.opt: Register new pass.
13840 * Makefile.in: Ditto.
13841 * passes.c: Ditto.
13842 * timevar.def: Ditto.
13843 * tree-pass.h: Ditto.
13844 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
13845 * rtl.h (make_jump_insn_raw): Add forward decl.
13846 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
13848 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13849 Roger Sayle <roger@eyesopen.com>
13851 * fold-const.c (fold_minmax): New static function.
13852 (fold_binary) <MIN_EXPR>: Call it.
13853 <MAX_EXPR>: Likewise.
13854 * stor-layout.c (place_field): Use DECL_SIZE consistently
13855 in the computation of the new record size.
13857 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13859 * cse.c (cse_condition_code_reg): Make it static.
13860 * rtl.h: Remove the prototype for cse_condition_code_reg.
13862 * combine.c (combine_instructions): Make it static.
13863 * rtl.h: Remove the prototype for combine_instructions.
13865 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13867 PR target/25168
13868 * tree.c (get_file_function_name_long): Concatenate the first global
13869 object name with a string derived from the input filename of the object
13870 for type "F".
13872 2006-01-16 Ben Elliston <bje@au.ibm.com>
13874 * config/i386/winnt-stubs.c: Update FSF address.
13875 * config/xtensa/ieee754-df.S: Ditto.
13876 * config/xtensa/ieee754-sf.S: Ditto.
13878 2006-01-14 Ian Lance Taylor <ian@airs.com>
13880 * ifcvt.c (noce_init_if_info): New static function, broken out of
13881 noce_process_if_block.
13882 (noce_process_if_block): Call noce_init_if_info.
13883 (check_cond_move_block): New static function.
13884 (cond_move_process_if_block): New static function.
13885 (process_if_block): Call cond_move_process_if_block.
13887 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
13889 * cselib.c (hash_table): Rename to cselib_hash_table.
13890 (cselib_clear_table, discard_useless_values,
13891 remove_useless_values, cselib_lookup_mem, cselib_lookup,
13892 cselib_init, cselib_finish): Adjust uses of hash_table.
13894 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
13896 PR tree-optimization/25485
13897 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
13898 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
13899 is known to be false and true, respectively.
13901 2006-01-14 Richard Guenther <rguenther@suse.de>
13903 PR tree-optimization/22548
13904 PR tree-optimization/22555
13905 PR tree-optimization/22501
13906 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
13907 * params.def (salias-max-array-elements): New parameter.
13908 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
13909 * doc/invoke.texi (salias-max-array-elements): Document.
13910 * tree-flow-inline.h (var_can_have_subvars): We also handle
13911 arrays now.
13912 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
13913 COMPONENT_REF.
13914 * tree-ssa-structalias.c (params.h): Include.
13915 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
13916 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
13917 (get_constraint_for): For ADDR_EXPR operating on something
13918 containing an ARRAY_REF, add all subvars to the solution.
13919 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
13920 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
13921 for creating MUST_DEFs.
13922 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
13924 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
13926 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
13927 functions.
13928 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
13929 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13930 number_of_iterations_le): New functions.
13931 (number_of_iterations_special): Removed.
13932 (number_of_iterations_exit): Do not use number_of_iterations_special.
13933 * tree.c (unsigned_type_for): Always return integer type.
13935 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
13936 Richard Guenther <rguenther@suse.de>
13938 PR rtl-optimization/24257
13939 * gcse.c (find_moveable_store): Only consider a store movable
13940 when the SET_SRC of the insn can be assigned to a register.
13942 2006-01-14 Ian Lance Taylor <ian@airs.com>
13944 * tree.c (tree_not_class_check_failed): New function.
13945 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
13946 (tree_not_class_check_failed): Declare.
13948 2006-01-13 Ian Lance Taylor <ian@airs.com>
13950 * reload1.c (do_output_reload): Add assertion rejecting a
13951 CALL_INSN.
13953 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
13955 * combine.c (struct reg_stat): Add new fields truncation_label and
13956 truncated_to_mode.
13957 (record_value_for_reg): Reset truncated_to_mode.
13958 (record_truncated_value): New function.
13959 (check_promoted_subreg): Call it. Rename to check_conversions.
13960 (combine_instructions): Rename check_promoted_subreg to
13961 check_conversions.
13962 (reg_truncated_to_mode): New function.
13963 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
13964 (gen_lowpart_or_truncate): New function.
13965 (force_to_mode): Use it instead of gen_lowpart.
13967 2006-01-13 Diego Novillo <dnovillo@redhat.com>
13969 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
13970 VAR is a tag, not its type tag.
13972 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
13974 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
13975 alternatives to match style of other entries.
13976 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
13978 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
13980 PR tree-optimization/25771
13981 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
13982 SSA_NAMES.
13984 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
13986 PR tree-opt/24365
13987 * tree-inline.c (declare_return_variable): If the return variable
13988 was marked as a non gimple complex, set the return slot variable
13989 to be a non gimple comple variable.
13991 2006-01-13 Richard Guenther <rguenther@suse.de>
13993 * builtins.c (expand_builtin_sincos): New function.
13994 (expand_builtin_mathfn_3): Remove dead code, sin and cos
13995 do not set errno.
13996 (expand_builtin): Expand sincos using expand_builtin_sincos.
13998 2006-01-12 DJ Delorie <dj@redhat.com>
14000 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14001 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14002 so that constant shifts can be split.
14003 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14004 (m32c_valid_pointer_mode): Make static.
14005 (shift_gen_func_for): New.
14006 (m32c_prepare_shift): Use it. Split large const shifts into
14007 multiple shifts.
14008 * config/m32c/predicates.md (shiftcount_operand): Allow more
14009 general operands.
14010 (longshiftcount_operand): New.
14011 * doc/md.texi (Machine Constraints): Document In6.
14013 2006-01-13 Ben Elliston <bje@au.ibm.com>
14015 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14016 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14017 documentation.
14019 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14021 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14022 to try to avoid clobbering pieces of structures when we know
14023 something about the whole structure.
14024 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14026 2006-01-13 Ben Elliston <bje@au.ibm.com>
14028 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14029 return in memory, as this is no limitation is no longer present.
14031 2006-01-12 DJ Delorie <dj@redhat.com>
14033 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14034 mova with fb, and for fb+0 -> An.
14036 * config/m32c/mov.md (peephole2): Fix enabling logic.
14038 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14039 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14040 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14041 FINI_ARRAY_SECTION_ASM_OP): Define.
14043 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14044 variable.
14045 (m32c_legitimize_reload_address): New logic to reload FB to An.
14046 (m32c_output_reg_push): Add newline.
14047 (m32c_output_reg_pop): Likewise.
14049 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14051 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14053 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14055 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14057 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14059 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14060 match_code.
14062 2006-01-11 Ben Elliston <bje@au.ibm.com>
14064 * rtlanal.c (find_reg_note): Assert insn is not null.
14066 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14068 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14069 ifdef.
14071 2006-01-11 Jeff Law <law@redhat.com>
14073 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14074 hold edge pairs.
14075 (mark_threaded_blocks, register_jump_thread): New functions.
14076 (thread_through_all_blocks): Remove unwanted argument. No
14077 longer rely on e->aux to communicate thread target info.
14078 Call mark_threaded_blocks. Release the threaded_blocks
14079 bitmap and threaded_edges vector when complete.
14080 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14081 (threaded_blocks): Remove.
14082 (tree_ssa_dominator_optimize): Remove initialization and
14083 finalization of threaded_blocks. Simplify call to
14084 thread_through_all_blocks.
14085 (thread_across_edge): Call register_jump_thread rather than
14086 storing thread information into e->aux.
14087 (free_all_edge_infos): Simplify now that e->aux is no longer
14088 used to communicate with thread_through_all_blocks.
14089 * tree-flow.h (thread_through_all_blocks): Update prototype.
14090 (register_jump_thread): Prototype.
14092 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14094 * df-core.c (df_compact_blocks, df_bb_replace): Use
14095 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14097 2006-01-11 Richard Guenther <rguenther@suse.de>
14099 PR tree-optimization/25734
14100 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14101 stop propagation after successful propagation to the LHS.
14103 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14105 * basic-block.h (control_flow_graph): Change the type of
14106 x_basic_block_info to VEC(basic_block,gc) *.
14107 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14108 basic_block_info.
14109 (SET_BASIC_BLOCK): New.
14110 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14111 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14112 * cfgbuild.c (find_basic_blocks): Likewise.
14113 * cfglayout.c (fixup_reorder_chain): Likewise.
14114 * cfgrtl.c (create_basic_block_structure,
14115 rtl_create_basic_block): Likewise.
14116 * ifcvt.c (find_if_case_1): Likewise.
14117 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14118 Likewise.
14120 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14122 * Makefile.in: Removed rotted odf.c entry.
14124 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14126 PR target/25706
14127 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14128 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14129 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14130 output pattern modifier, not %e.
14131 * config/cris/cris.c (cris_op_str): Update comment about pattern
14132 modifier.
14133 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14134 before falling through into...
14135 <case 'E'>: Redefined from old 'e' case.
14137 2006-01-11 Jan Hubicka <jh@suse.cz>
14139 PR target/25042
14140 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14142 2006-01-11 Jan Hubicka <jh@suse.cz>
14144 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14145 * i386.c (x86_decompose_lea): Kill.
14146 (ix86_rtx_costs): Kill.
14148 2006-01-11 Jan Hubicka <jh@suse.cz>
14150 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14151 * cgraph.h (cgraph_node): Add inline_decl.
14152 (cgraph_insert_node_to_hashtable): Declare.
14153 (save_inline_function_body): Declare.
14154 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14155 clones.
14156 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14157 (cgraph_function_versioning): Update call of tree_function_versioning.
14158 (save_inline_function_body): New function.
14159 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14160 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14161 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14162 (cgraph_default_inline_p): Likewise.
14163 (cgraph_decide_inlining_incrementally): Likewise.
14164 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14165 (copy_bb): Kill saving; do updating of clones.
14166 (copy_cfg_body): Kill saving.
14167 (initialize_inlined-parameters): Likewise.
14168 (expand_call_inline): Likewise.
14169 (save_body): Kill.
14170 (tree_function_versioning): New parameter "update_clones".
14171 (inlining_p): Kill saving.
14172 * tree-inline.h (tree_function_versioning): Update prototype.
14173 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14174 saving.
14176 2006-01-11 Ian Lance Taylor <ian@airs.com>
14178 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14179 Allow undoing set of machine mode.
14180 (do_SUBST): Use enums instead of is_int.
14181 (do_SUBST_MODE): New function.
14182 (SUBST_MODE): New macro.
14183 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14184 reg and trying to replace reg_regno_rtx with a new register.
14185 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14186 (simplify_set): Use SUBST_MODE.
14187 (distribute_notes): Remove code that tried to update reg notes
14188 for regno_reg_rtx changes.
14190 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14192 PR tree-optimization/23109
14193 PR tree-optimization/23948
14194 PR tree-optimization/24123
14196 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14197 * tree-cfg.c (single_noncomplex_succ): New.
14198 * tree-flow.h (single_noncomplex_succ): Declare it.
14199 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14200 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14201 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14202 insert_bb, register_division_in, insert_reciprocals,
14203 replace_reciprocal, free_bb): New.
14204 (execute_cse_reciprocals_1): Rewritten.
14205 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14206 Do not commit any edge insertion. Always compute dominators and
14207 create the allocation pool.
14208 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14209 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14210 * targhooks.c (default_min_divistions_for_recip_mul): New.
14211 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14212 * passes.c (init_optimization_passes): Run recip after tree loop
14213 optimizations.
14214 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14216 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14217 Kenneth Zadeck <zadeck@naturalbridge.com>
14219 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14220 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14221 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14222 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14223 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14224 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14225 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14226 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14227 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14228 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14229 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14230 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14231 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14232 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14233 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14234 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14235 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14236 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14237 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14238 DF_SCAN_POST_ALLOC): New macros.
14239 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14240 df_free_bb_function, df_local_compute_function, df_init_function,
14241 df_dataflow_function, df_confluence_function_0,
14242 df_confluence_function_n, df_transfer_function,
14243 df_finalizer_function, df_free_function, df_dump_problem_function,
14244 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14245 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14246 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14247 df_urec_bb_info, ) New types.
14248 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14249 variables.
14250 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14251 df_analyze_simple_change_some_blocks,
14252 df_analyze_simple_change_one_block, df_compact_blocks,
14253 df_bb_replace, df_bb_regno_last_use_find,
14254 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14255 df_insn_regno_def_p, df_find_def, df_find_use,
14256 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14257 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14258 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14259 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14260 debug_df_chain, df_get_dependent_problem, df_chain_create,
14261 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14262 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14263 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14264 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14265 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14266 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14267 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14268 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14269 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14270 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14271 df_reorganize_refs, df_set_state, df_hard_reg_init,
14272 df_read_modify_subreg_p) New public functions.
14273 * df-core.c: The core dataflow solver and glue routines for rtl
14274 dataflow.
14275 (df_init, df_add_problem, df_set_blocks, df_finish,
14276 df_hybrid_search_forward, df_hybrid_search_backward,
14277 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14278 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14279 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14280 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14281 df_reg_defined, df_find_use, df_reg_used, df_dump,
14282 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14283 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14284 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14285 debug_df_useno, reset_df_after_reload): New functions.
14286 * df-scan.c: The scanning fuctions, once in df.c, completely
14287 rewritten so that they now fully model the functionality of
14288 register usage at the backend.
14289 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14290 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14291 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14292 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14293 df_get_artificial_defs, df_get_artificial_uses,
14294 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14295 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14296 df_refs_delete, df_reorganize_refs, df_set_state,
14297 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14298 df_def_record_1, df_defs_record, df_uses_record,
14299 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14300 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14301 df_record_exit_block_uses, df_hard_reg_init): New functions.
14303 * df-problems.c: Seven concrete dataflow problems that use the
14304 scanning in df-scan.c and are solved by the engine in df-core.c.
14305 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14306 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14307 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14308 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14309 df_ru_free_bb_info, df_ru_alloc,
14310 df_ru_bb_local_compute_process_def,
14311 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14312 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14313 df_ru_transfer_function, df_ru_free, df_ru_dump,
14314 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14315 df_rd_free_bb_info, df_rd_alloc,
14316 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14317 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14318 df_rd_transfer_function, df_rd_free, df_rd_dump,
14319 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14320 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14321 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14322 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14323 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14324 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14325 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14326 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14327 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14328 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14329 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14330 df_urec_mark_reg_use_for_earlyclobber,
14331 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14332 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14333 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14334 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14335 df_chain_create_bb_process_use, df_chain_create_bb,
14336 df_chain_finalize, df_chain_free, df_chains_dump,
14337 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14338 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14339 df_reg_lifetime): New functions.
14340 * df.c: Deleted file.
14341 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14342 consistent with new df api.
14343 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14344 rest_of_handle_sms): Ditto.
14345 * web.c (unionfind_union, union_defs, entry_register, web_main):
14346 Ditto.
14347 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14348 invariant_expr_equal_p, find_defs, check_dependencies,
14349 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14350 free_inv_motion_data, move_loop_invariants): Ditto.
14351 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14352 Update dependencies.
14353 (odf.c): Added defective entry that was deleted later in day.
14354 * sched-deps.c (sched_analyze_1): Ditto.
14356 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14358 * tree-ssa-operands.c (get_expr_operands): Record addressable
14359 variables directly. Do not call add_stmt_operands for CONST_DECLs
14360 and ARRAY_DECLs.
14361 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14362 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14364 2006-01-11 Ben Elliston <bje@au.ibm.com>
14366 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14367 function returns true in the positive case.
14369 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14371 PR target/20754
14372 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14373 for SI, DI, SF and DF modes. Add alternatives to copy between
14374 general and floating point registers to the 32-bit patterns.
14375 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14376 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14377 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14378 generating 64-bit code.
14379 * config/pa/pa.c (output_move_double): Handle copies between general
14380 and floating registers.
14382 2006-01-10 Stuart Hastings <stuart@apple.com>
14384 * config/i386/i386.md (set_got): Update.
14385 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14386 (builtin_setjmp_receiver): Mach-O support.
14387 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14388 (GOT_SYMBOL_NAME): Define.
14389 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14390 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14391 * config/i386/i386.c (override_options): Revise for Darwin.
14392 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14393 support. (darwin_x86_file_end): New. (output_set_got): Add label
14394 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14395 * config/i386/i386-protos.h (output_set_got): Likewise.
14396 * config/darwin.c (machopic_legitimize_pic_address): Update
14397 regs_ever_live[].
14399 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14401 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14402 when MODE isn't BLKmode.
14404 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14406 PR rtl-optimization/25367
14407 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14409 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14411 PR target/25718
14412 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14413 for a negative bound.
14415 2006-01-10 Richard Guenther <rguenther@suse.de>
14417 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14418 Never override with anything constraint.
14420 2006-01-10 Jan Beulich <jbeulich@novell.com>
14422 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14423 256 bits when optimize_size.
14425 2006-01-10 Jan Beulich <jbeulich@novell.com>
14427 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14428 MASK_ALIGN_DOUBLE.
14429 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14430 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14431 arguments.
14433 2006-01-10 Ben Elliston <bje@au.ibm.com>
14435 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14436 float modes.
14437 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14438 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14439 (USE_FP_FOR_ARG): Reject decimal float modes.
14440 (function_arg_advance): Likewise.
14441 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14442 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14443 point types in AltiVec vectors.
14444 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14445 (rs6000_libcall_value): Likewise.
14447 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14449 * config/xtensa/ieee754-df.S: New file.
14450 * config/xtensa/ieee754-sf.S: New file.
14451 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14452 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14453 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14455 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14457 * config/sh/predicates.md (binary_float_operator,
14458 binary_logical_operator, commutative_float_operator,
14459 equality_comparison_operator, greater_comparison_operator,
14460 less_comparison_operator, logical_operator,
14461 noncommutative_float_operator, shift_operator,
14462 symbol_ref_operand, unary_float_operator): Remove redundant
14463 conditionals.
14465 2006-01-09 Jeff Law <law@redhat.com>
14467 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14468 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14469 now unused arguments. Callers updated.
14470 (eliminate_redundant_computations): Remove now unused arguments,
14471 callers updated.
14472 (local_fold): Remove, no longer used.
14473 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14474 and moved to...
14475 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14476 (simplify_cond): New function.
14477 (forward_propagate_into_cond): Call simplify_cond.
14479 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14481 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14482 (*vec_extractv2di_1_sse): New.
14484 2006-01-09 Ben Elliston <bje@au.ibm.com>
14486 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14488 2006-01-08 Richard Guenther <rguenther@suse.de>
14490 * tree-ssa-structalias.c (get_constraint_for): Remove
14491 anyoffset argument.
14492 (get_constraint_for_component_ref): Likewise.
14493 (do_deref): Likewise.
14494 (get_constraint_for): Likewise.
14495 (do_structure_copy): Likewise.
14496 (handle_ptr_arith): Likewise.
14497 (find_func_aliases): Likewise. Remove unused need_anyoffset
14498 variable.
14500 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14501 Kaz Kojima <kkojima@gcc.gnu.org>
14503 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14504 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14505 (EXTRA_CONSTRAINT_C16): Remove.
14506 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14507 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14508 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14509 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14510 constants of SHmedia. Handle nested constant expressions of
14511 SHmedia correctly.
14512 (andcosts): Fix the costs for SHmedia constants.
14513 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14514 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14515 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14516 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14517 (movv4hi_i, movv2si_i): Likewise.
14518 (movsi_const): Adjust the second operand of ior so to match with
14519 the Csu constraint.
14520 (movdi_const, movdi_const_32bit): Likewise.
14521 (movdi_const_16bit+1): Don't sign-extend LOW.
14522 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14523 step.
14524 (*double_shori): Fix the split condition. Use GEN_INT instead
14525 of get_int_mode calls. Mask lower 16-bit of the argument of
14526 the last GEN_INT.
14527 (sym2GOTPLT): Remove.
14528 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14529 gen_rtx_UNSPEC.
14530 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14531 instead of EXTRA_CONSTRAINT_C16.
14533 2006-01-07 Ian Lance Taylor <ian@airs.com>
14534 David Edelsohn <edelsohn@gnu.org>
14536 PR rtl-optimization/25662
14537 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14538 for constant operands instead of simplify_gen_binary.
14539 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14540 after trying simplify_binary_operation
14542 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14544 * tree.c (iterative_hash_expr): Hash decls based on UID.
14546 2006-01-06 Eric Christopher <echristo@apple.com>
14548 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14549 (TARGET_UNWIND_EMIT): Fix spelling.
14550 * target.h (gcc_target): Add except_table_label.
14551 * except.c (output_function_exception_table): Use.
14552 * varasm.c (default_emit_except_table_label): New.
14553 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14554 define.
14555 (asm_out): Add here.
14556 * output.h (default_emit_except_table_label): Prototype.
14557 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14558 * config/darwin.c (darwin_emit_except_table_label): Define.
14559 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14561 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14563 PR tree-optimization/18527
14564 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14565 number_of_iterations_special, number_of_iterations_exit):
14566 Move base and step of an iv to a single structure. Add
14567 no_overflow flag, and use it in # of iterations analysis.
14568 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14569 folded_casts argument.
14570 (simple_iv): Pass base and step in a structure. Set no_overflow
14571 flag.
14572 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14573 Evaluate expensiveness of computing # of iterations instead of
14574 the final expression.
14575 * tree-scalar-evolution.h (affine_iv): New structure.
14576 (simple_iv): Declaration changed.
14577 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14578 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14579 find_givs_in_stmt): Changed due to simple_iv change.
14581 2006-01-06 Jeff Law <law@redhat.com>
14583 PR ada/24994
14584 * tree-cfg.c (bsi_replace): Rename final argument from
14585 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14586 change (stmt -> orig_stmt).
14587 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14588 (bsi_remove): Add new argument. Remove EH information
14589 if requested.
14590 (verify_eh_throw_table_statements): New function.
14591 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14592 updated.
14593 * tree-optimize.c (execute_free_cfg_annotations): Verify
14594 the EH throw statement table after removing annotations.
14595 * except.h (verify_eh_throw_table_statements): Prototype.
14596 * tree-flow.h (bsi_remove): Update prototype.
14597 * tree-vrp.c (remove_range_assertions): Add new argument to
14598 bsi_remove call.
14599 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14600 * tree-complex.c (expand_complex_div_wide): Likewise.
14601 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14602 * tree-tailcall.c (eliminate_tailcall): Likewise.
14603 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14604 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14605 * tree-nrv.c (tree_nrv): Likewise.
14606 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14607 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14608 (combine_blocks): Likewise.
14609 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14610 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14611 (cleanup_control_flow): Likewise.
14612 (remove_forwarder_block): Likewise.
14613 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14614 * tree-sra.c (sra_replace): Likewise.
14615 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14616 (forward_propagate_single_use_vars): Likewise.
14617 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14618 * tree-inline.c (expand_call_inline): Likewise.
14619 * tree-vect-transform.c (vect_transform_loop): Likewise.
14620 * tree-outof-ssa.c (rewrite_trees): Likewise.
14621 * tree-cfg.c (make_goto_expr_edges): Likewise.
14622 (cleanup_dead_labels): Likewise.
14623 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14624 (bsi_move_before, bsi_move_after): Likewise.
14625 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14626 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14628 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14630 PR tree-opt/25528
14631 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14632 and IMAGPART_EXPR.
14633 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14634 on non gimple variables. Also add checks at the top for decls and
14635 mtags.
14636 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14637 complex types.
14638 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14639 and IMAGPART_EXPR for creating MUST_DEFs.
14640 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14641 and NAME_MEMORY_TAG separately from the DECLs.
14643 2006-01-06 Richard Guenther <rguenther@suse.de>
14645 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14646 annotation, if necessary.
14647 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14648 redundant calls to update_stmt.
14649 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14650 Likewise.
14652 2006-01-05 Richard Henderson <rth@redhat.com>
14654 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14656 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14658 * c-typeck.c: Update copyright date.
14660 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14662 * c-typeck.c (build_c_cast): Always warn when casting
14663 from a pointer to an integer of different size, even if
14664 the node was constant.
14666 2006-01-05 Richard Guenther <rguenther@suse.de>
14668 PR tree-optimization/22555
14669 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14670 if one structure field is an array.
14671 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14672 operands even if we found a subvar, but ignore VOPs in this
14673 case.
14674 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14675 for renaming.
14676 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14678 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14680 PR middle-end/24998
14681 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14683 2006-01-05 Richard Guenther <rguenther@suse.de>
14684 Diego Novillo <dnovillo@redhat.com>
14686 * tree-pass.h (TODO_remove_unused_locals): Define.
14687 * gimple-low.c (expand_var_p, remove_useless_vars,
14688 pass_remove_useless_vars): Remove. Update all users.
14689 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14690 (remove_unused_locals): New function.
14691 * tree-flow.h (remove_unused_locals): Declare.
14692 * passes.c (execute_todo): Call remove_unused_locals if
14693 TODO_remove_unused_locals is set.
14694 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14695 * tree-ssa-dce.c (pass_dce): Likewise.
14696 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14698 2006-01-05 Richard Guenther <rguenther@suse.de>
14700 * tree-flow.h (struct fieldoff): Decompose field to
14701 type, size and decl.
14702 * tree-ssa-alias.c (create_sft): Take type as parameter.
14703 (create_overlap_variables_for): Store type, size and decl
14704 in the fieldoff structure.
14705 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14706 of struct fieldoff.
14707 (push_fields_onto_fieldstack): Likewise.
14708 (create_variable_info_for): Likewise. Use offset for the
14709 SFT name if the decl is not available.
14711 2006-01-04 Paul Brook <paul@codesourcery.com>
14713 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14715 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14717 * lambda-code.c (can_put_in_inner_loop): Relax
14718 restrictions.
14719 (can_put_after_inner_loop): New function.
14720 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14721 (perfect_nestify): Change to make copies and modify uses.
14723 2006-01-04 Richard Henderson <rth@redhat.com>
14725 Merge from gomp branch:
14726 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14727 via integer constant.
14728 (pragma_lex): Remove.
14729 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14730 rather than parsing it.
14731 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14732 handle_pragma_extern_prefix): Add %< %> quotes.
14733 (registered_pragmas): New.
14734 (c_register_pragma_1): New.
14735 (c_register_pragma): Use it.
14736 (c_register_pragma_with_expansion): Likewise.
14737 (c_invoke_pragma_handler): New.
14738 (init_pragma): Use cpp_register_deferred_pragma directly for
14739 pch_preprocess.
14740 * c-pragma.h (enum pragma_kind): New.
14741 (pragma_handler): New.
14742 (c_invoke_pragma_handler): Declare.
14743 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14744 CPP_PRAGMA_EOL.
14745 * c-common.h (c_common_pch_pragma): Update decl.
14746 * Makefile.in (c-parser.o): Update dependencies.
14747 (GTFILES): Add c-pragma.h.
14748 * c-parser.c (struct c_token): Add pragma_kind.
14749 (struct c_parser): Add in_pragma.
14750 (c_lex_one_token): Always initialize keyword and pragma_kind.
14751 Extract data for CPP_PRAGMA.
14752 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14753 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14754 Don't allow CPP_PRAGMA_EOL if in_pragma.
14755 (c_parser_consume_pragma): New.
14756 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14757 (c_parser_skip_to_end_of_parameter): Likewise.
14758 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14759 (c_parser_skip_to_pragma_eol): New.
14760 (c_parser_external_declaration): Handle CPP_PRAGMA.
14761 (c_parser_compound_statement_nostart): Likewise.
14762 (c_parser_statement_after_labels): Likewise.
14763 (c_parser_pragma): New.
14764 (pragma_lex): Likewise.
14765 (c_parser_pragma_pch_preprocess): New.
14766 (c_parser_new): Merge into ...
14767 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14769 2006-01-04 Jeff Law <law@redhat.com>
14771 PR ada/24994
14772 * tree-cfg.c (bsi_replace): Remove the original statement
14773 from the EH throw statement table.
14775 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14777 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14778 make the prototype extern "C" and add throw ().
14780 PR target/25554
14781 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14782 and pos non-negative and pos + len <= 32.
14783 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14784 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14785 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14787 PR c/25559
14788 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14789 as well as sizes not multiple of component size.
14791 PR debug/25562
14792 * function.c (instantiate_expr): New function.
14793 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14794 walk its DECL_VALUE_EXPR with instantiate_expr.
14796 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14797 DW_OP_deref{,_size} if address isn't going to be added.
14799 2006-01-04 Ben Elliston <bje@au.ibm.com>
14801 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14802 * config/fp-bit.c: Likewise.
14804 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14806 * dominance.c: Add comment about why we use DFS numbering
14807 of dominance tree.
14809 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14810 Richard Henderson <rth@redhat.com>
14812 Merge from gomp-branch:
14813 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14814 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14816 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14818 PR rtl-optimization/25578
14819 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14820 pass a parameter to simplify_shift_const if changing ASHIFTRT
14821 to LSHIFTRT.
14823 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14825 * builtins.c (get_builtin_sync_mem): New function.
14826 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14827 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14828 Call get_builtin_sync_mem to generate mem rtx.
14830 2006-01-03 Richard Guenther <rguenther@suse.de>
14832 PR c/25183
14833 * stmt.c (add_case_node): Make sure to clear overflow flags
14834 from ranges.
14836 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14838 Merge from gomp-branch.
14839 * config/sparc/sync.md: New file.
14840 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
14841 UNSPECV_LDSTUB): New constants.
14842 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
14843 * config/sparc/predicates.md (memory_reg_operand): New predicate.
14844 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
14845 prototype.
14847 2006-01-03 Roger Sayle <roger@eyesopen.com>
14849 * combine.c (reg_subword_p): New predicate to test whether the
14850 destination of a set refers to a subword/piece of a register.
14851 (try_combine): Generalize the code to merge the setting of a
14852 pseudo to a constant followed by a set of a subword of that
14853 register to a constant.
14855 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
14857 * basic-block.h (control_flow_graph): Change the type of
14858 x_label_to_block_map to VEC(basic_block,gc) *.
14859 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
14860 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
14862 * tree-ssa-propagate.c (cfg_blocks): Change the type to
14863 VEC(basic_block,heap) *.
14864 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
14865 ssa_prop_fini): Adjust the uses of cfg_blocks.
14867 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
14869 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
14870 COMPONENT_REFs.
14871 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
14872 hashing trees instead of a pointer hash.
14873 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
14874 compare for MEM_EXPR.
14876 PR rtl-optimization/25130
14877 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
14878 when comparing MEMs for GCSE
14880 2006-01-03 Ben Elliston <bje@au.ibm.com>
14882 * targhooks.h (default_decimal_float_supported_p): Declare.
14883 * targhooks.c (default_decimal_float_supported_p): Define.
14884 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
14885 `default_decimal_float_supported_p'.
14886 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
14888 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
14890 * combine.c (apply_distributive_law <SUBREG>): Check
14891 TRULY_NOOP_TRUNCATION.
14893 2006-01-02 Geoffrey Keating <geoffk@apple.com>
14895 * dwarf2out.c (have_switched_text_section): Delete.
14896 (have_multiple_function_sections): New.
14897 (have_location_lists): Make 'bool'.
14898 (add_AT_loc_list): Use 'true' not '1'.
14899 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
14900 (output_loc_list): Use have_multiple_function_sections.
14901 (output_ranges): Likewise.
14902 (dwarf2out_begin_function): Set have_multiple_function_sections if
14903 necessary.
14904 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
14905 Check function_section rather than DECL_SECTION_NAME.
14906 (dwarf2out_finish): Use have_multiple_function_sections.
14907 Don't clear have_location_lists.
14909 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
14910 Jan Hubicka <jh@suse.cz>
14912 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
14913 case of conditional jump jumping to the next instruction.
14914 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
14915 cases of conditional jump jumping to the next instruction.
14917 2006-01-02 Jan Hubicka <jh@suse.cz>
14919 * i386.c (*_cost): Add COSTS_N_INSNS.
14920 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
14922 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
14924 PR target/25259
14925 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
14927 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14929 * config/arm/arm.c (all_fpus): Fix comment typo.
14930 * config/darwin.c: Likewise.
14931 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
14932 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
14933 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
14935 2006-01-01 David Edelsohn <edelsohn@gnu.org>
14937 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
14938 (rs6000_split_compare_and_swapqhi): New.
14939 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
14940 (sync_compare_and_swapqhi_internal): New.
14941 * config/rs6000/rs6000-protos.h: Declare.