1 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
8 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
10 * cfghooks.c (duplicate_block): Added position where to place
11 new block as argument.
12 * cfghooks.h (duplicate_block): Declaration changed.
13 * cfglayout.c (copy_bbs): Add argument after. Pass it to
15 * cfglayout.h (copy_bbs): Declaration changed.
16 * cfgloop.h (loop_version): Declaration changed.
17 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
19 (loop_version): Pass position to duplicate_loop_to_header_edge.
20 Add place_after argument and position new blocks according to
22 * modulo-sched.c (sms_schedule): Pass place_after argument
24 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
25 * tree-cfg.c (split_edge_bb_loc): New function.
26 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
27 to determine position of new blocks.
28 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
30 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
31 argument to duplicate_block.
32 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
33 Pass position to copy_bbs.
35 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
37 * fold-const.c (ptr_difference_const): Use
38 cst_and_fits_in_hwi instead of host_integerp.
40 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
42 * config/darwin.c (gen_pic_offset): New.
43 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
46 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
48 PR tree-optimization/23486
49 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
51 2005-08-23 Phil Edwards <phil@codesourcery.com>
53 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
55 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
57 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
58 configuration files to override the default value.
60 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
61 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
62 * config/vx-common.h: New file, split out from...
63 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
64 * config/vxworksae.h: New file, for VxWorks AE.
65 * config/vxworks.opt: New file.
66 * config/vxlib.c: Update for VxWorks 6.
68 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
69 other MULTILIB_* variables appropriately.
70 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
71 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
72 * config/rs6000/vxworks.h: Update for VxWorks 6.
73 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
75 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
78 * config/darwin.c (machopic_select_section): Remove the hack to
79 mark "::operator new" and "::operator delete" for coalescing
80 even though they are not weak.
82 2005-08-24 Alan Modra <amodra@bigpond.net.au>
84 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
85 * configure: Regenerate.
87 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
90 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
92 * convert.c (convert_to_integer, convert_to_vector): Likewise.
93 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
96 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
98 * config/rs6000/predicates.md (equality_operator): New.
99 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
100 comparison with a large constant.
102 2005-08-23 Mark Mitchell <mark@codesourcery.com>
104 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
106 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
108 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
109 registers is even, and we have a hardware double precision fp,
111 (sh_gimplify_va_arg_expr): For floating point arguments, consider
112 size of current argument when checking if argument was passed in
115 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
118 * stor-layout.c (finalize_type_size): Dont override
119 existing alignment with a smaller alignment from the mode.
121 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
123 * lambda-code.c (lambda_vector_lexico_pos): Moved...
124 * lambda.h (lambda_vector_lexico_pos): ... here.
125 * tree-data-ref.c (build_classic_dist_vector): Return false when
126 the distance vector is lexicographically negative.
128 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
130 PR tree-optimization/23511
131 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
132 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
134 2005-08-23 Jakub Jelinek <jakub@redhat.com>
136 PR tree-optimization/22043
137 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
138 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
139 If ALLOW_FLEXARR, handle types ending with flexible array member.
140 Pass false as second argument to recursive count_type_elements calls.
141 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
142 argument to count_type_elements call.
143 * tree-sra.c (decide_block_copy): Likewise.
144 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
145 for a constant-sized object, set cleared as well. Pass true as
146 second argument to count_type_elements call.
148 2005-08-23 Alan Modra <amodra@bigpond.net.au>
151 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
152 from legitimate_small_data_p, and make global. Update use.
153 Remove forward declaration.
154 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
156 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
158 2005-08-23 David Edelsohn <edelsohn@gnu.org>
160 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
161 of scratch intermediates.
162 (eq<mode>_compare): Same.
163 (neg_eq0<mode>): New.
164 (neg_eq<mode>): Convert to define_insn_and_split.
166 2005-08-23 Alan Modra <amodra@bigpond.net.au>
169 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
170 stdarg functions, set/clear the fp marker even when no variable
172 * config/rs6000/sysv4.opt (mprototype): Describe.
174 2005-08-22 Jakub Jelinek <jakub@redhat.com>
176 PR rtl-optimization/23478
177 * regs.h (reg_info): Add throw_calls_crossed.
178 (REG_N_THROWING_CALLS_CROSSED): Define.
179 * flow.c (allocate_reg_life_data): Initialize
180 REG_N_THROWING_CALLS_CROSSED.
181 (propagate_one_insn, attempt_auto_inc): Update
182 REG_N_THROWING_CALLS_CROSSED.
183 * global.c (global_alloc): Don't allocate pseudos across
184 calls that may throw.
186 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
189 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
190 value is inbetween the range if we did not find an exact match.
192 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
194 * doc/invoke.texi (Option Summary): Add ms1 options.
195 * doc/extend.texi: Document interrupt handler attribute for ms1.
196 * doc/md.texi: Document ms1 constraints.
197 * config.gcc: Add ms1-*-elf.
198 * config/ms1/ms1.h: New.
199 * config/ms1/ms1.c: New.
200 * config/ms1/ms1.md: New.
201 * config/ms1/ms1-protos.h: New.
202 * config/ms1/ABI.txt: New.
203 * config/ms1/crti.asm: New.
204 * config/ms1/crtn.asm: New.
205 * config/ms1/lib2extra-funcs.c: New.
206 * config/ms1/t-ms1: New.
207 * config/ms1/ms1.opt: New.
209 2005-08-22 Ira Rosen <irar@il.ibm.com>
211 * config/rs6000/altivec.md (xorv4sf3): New.
212 (negv4sf2, neg<mode>2): Likewise.
214 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
217 * config/ia64/ia64.md (divsi3): Check divide by zero.
222 2005-08-21 Jakub Jelinek <jakub@redhat.com>
224 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
225 up to elem_bitsize bits, not max_bitsize.
227 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
229 PR tree-optimization/23433
230 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
231 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
233 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
235 PR tree-optimization/23434
236 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
237 the iteration bound is not an INTEGER_CST.
239 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
241 * tree-vect-transform.c (get_initial_def_for_reduction): Set
242 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
243 NULL if need_epilog_adjust is false.
244 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
245 Case 3 always peels first itration, not just for PLUS case, and no need
246 to use scalar_initial_def here. Create an epilog adjustment only if
247 scalar_initial_def is not NULL.
249 (vectorizable_reduction): Remove assert.
251 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
254 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
255 (__moddi3): Likewise.
256 (__udivdi3): Likewise.
257 (__umoddi3): Likewise.
258 (__divsi3): Likewise.
259 (__modsi3): Likewise.
260 (__udivsi3): Likewise.
261 (__umodsi3): Likewise.
263 2005-08-20 Jakub Jelinek <jakub@redhat.com>
265 * tree-pass.h (TDF_GRAPH): Define.
266 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
267 * passes.c (finish_optimization_passes): Only call
268 finish_graph_dump_file if TDF_GRAPH is set.
269 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
270 NULL. Set TDF_GRAPH bit.
271 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
273 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
275 * arm.h (arm_stack_offsets): Add locals_base field.
276 * arm.c (arm_get_frame_offsets): Compute it.
277 (thumb_compute_initial_elimination offset): Make the Thumb frame
278 pointer point to the base of the local variables.
279 (thumb_expand_prologue): Update accordingly.
280 (thumb_expand_epilogue): Likewise.
282 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
283 mode of clobbered scratch to DImode. Handle a case that's known to
286 2005-08-19 David Edelsohn <edelsohn@gnu.org>
288 * config/rs6000/rs6000.md (gt0<mode>): Delete.
289 (gt0<mode>_compare): Delete.
290 (neg_gt0<mode>): Delete.
292 2005-08-19 Eric Christopher <echristo@apple.com>
294 * optabs.h: Change CTI_ to COI_.
297 2005-08-19 James E Wilson <wilson@specifix.com>
299 * builtins.c (expand_builtin_return_addr): Set
300 current_function_accesses_prior_frames when count != 0. Use
301 frame_pointer_rtx when count == 0.
302 * function.h (struct function): Add accesses_prior_frames field.
303 (current_function_accesses_prior_frames): Define.
304 * reload1.c (init_elim_table): Check
305 current_function_accesses_prior_frames.
306 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
308 2005-08-19 Diego Novillo <dnovillo@redhat.com>
310 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
311 indicator. Return true if the flowgraph changed during
314 2005-08-19 Diego Novillo <dnovillo@redhat.com>
317 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
318 conditional expression before testing its value.
320 2005-08-19 Diego Novillo <dnovillo@redhat.com>
322 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
324 2005-08-19 Devang Patel <dpatel@apple.com>
326 PR tree-optimization/23048
327 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
328 third parameter. Check whether latch is dominated by exit
330 (if_convertible_loop_p): Supply exit block itself to
333 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
336 * arm.md (arm_load_pic_register): Change argument to the mask of
337 saved registers. Call thumb_find_work_register if we need a
338 scratch register on Thumb.
339 (arm_expand_prologue): Pass empty register set to
340 arm_load_pic_register.
341 (thumb_expand_prologue): Pass live_regs_mask directly to
342 arm_load_pic_register.
343 * arm-protos.h (arm_load_pic_register): Update prototype.
345 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
347 * sh.c (find_sole_member): New function.
348 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
349 if the record's alignment is larger than the size of its only member.
351 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
354 * arm.c (thumb_legitimize_reload_address): New function.
355 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
356 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
358 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
360 * config/crx/crx.c: Implement crx_decompose_address. Reject
361 symbolic displacements since CRX register relative adressing
362 mode can't handle unsigned 32-bit values as displacements.
363 * config/crx/crx.h: Simplify definitions, remove redundant
364 parenthesis and obsolete macros.
365 * config/crx/crx.opt: Add new switch for debugging addresses.
366 * config/crx/crx-protos.h: Add new declarations for above.
368 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
371 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
374 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
376 * collect2.c (dup2): Delete.
377 * configure.ac: Don't check for dup2.
379 * config.in, configure: Regenerate.
381 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
383 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
384 record with the type of its only member.
386 2005-08-18 David Edelsohn <edelsohn@gnu.org>
388 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
389 define_insn_and_split.
390 (plus_ltu<mode>_compare): Same.
391 (gtu<mode>_compare): Same.
392 (plus_gtu<mode>_compare): Same.
394 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
396 PR tree-optimization/22228
397 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
399 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
400 are recorded in vect_vnames_to_rename for renaming.
401 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
402 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
403 in vect_vnames_to_rename.
404 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
405 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
407 2005-08-18 Jan Hubicka <jh@suse.cz>
410 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
411 info only for local statics, not for member variables.
413 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
415 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
417 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
419 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
421 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
424 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
426 2005-08-17 James E Wilson <wilson@specifix.com>
428 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
431 2005-08-17 David Edelsohn <edelsohn@gnu.org>
433 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
434 (leu<mode>_compare): Same.
435 (plus_leu<mode>): Same.
436 (neg_leu<mode>): Same.
437 (and_neg_leu<mode): Same.
438 (ltu<mode>_compare): Same.
439 (plus_ltu<mode>): Same.
441 (geu<mode>_compare): Same.
442 (plus_geu<mode>): Same.
443 (neg_geu<mode>): Same.
444 (and_neg_geu<mode>): Same.
445 (plus_gt<mode>): Same.
446 (gtu<mode>_compare): Same.
447 (plus_gtu<mode>): Same.
449 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
451 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
452 Move call_table_data to end. Delete spurious .text.
453 (callt_save_all_interrupt): Fix comment typo.
455 2005-08-17 James E Wilson <wilson@specifix.com>
456 Kevin Winchester <winchester@amirix.com>
459 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
461 2005-08-17 Uros Bizjak <uros@kss-loka.si>
464 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
465 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
467 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
469 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
470 record with the type of its only member if the modes don't match.
472 * varasm.c (decode_reg_name): Skip empty additional register names.
474 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
476 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
477 lsm_tmp_name_length): New.
478 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
479 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
481 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
482 Andreas Krebbel <krebbel1@de.ibm.com>
484 * config.gcc: Added z9-109 switch.
485 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
486 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
487 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
488 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
489 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
490 for "z9_109" cpu attribute.
491 * config/s390/s390.c (z9_109_cost): New processor cost structure.
492 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
493 (s390_handle_arch_option): Added z9-109 switch.
494 (override_options): Set respective cost function for z9-109.
495 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
496 (legitimate_reload_constant_p): Accept extended immediates.
497 (print_operand): Three new output modifiers added: k, m and o.
498 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
499 (s390_output_mi_thunk): Use extended immediate when possible.
500 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
501 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
502 (CONSTRAINT_LEN): Added length of O constraint.
503 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
504 * config/s390/s390.md ("cpu"): New value z9_109 added.
505 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
506 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
507 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
508 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
509 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
510 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
511 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
512 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
513 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
514 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
515 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
516 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
517 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
518 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
519 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
521 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
522 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
523 insns for TARGET_EXTIMM.
525 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
527 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
529 2005-08-17 Nick Clifton <nickc@redhat.com>
531 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
532 Call default_encode_section_info.
534 2005-08-17 Steven Bosscher <stevenb@suse.de>
536 PR tree-optimization/21574
537 * tree-ssa-ccp.c (likely_value): If the right hand side is a
538 constant, return CONSTANT.
539 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
540 (ccp_fold, visit_assignment): Likewise.
541 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
543 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
545 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
546 fold_buildN instead of buildN then fold_initializer or fold.
547 (build_unary_op): Likewise.
548 (build_binary_op): Likewise.
549 * fold-const.c (fold_initializer): Remove.
550 (fold_build1_initializer): New function.
551 (fold_build2_initializer): New function.
552 (fold_build3_initializer): New function.
553 * tree.h (fold_initializer): Remove.
554 (fold_build1_initializer): New function.
555 (fold_build2_initializer): New function.
556 (fold_build3_initializer): New function.
558 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
560 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
561 (try_move_mult_to_index): Call fold_build2 instead of build2.
562 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
563 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
564 fold_binary_to_constant.
565 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
567 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
568 check if A == gcd (A, B). Remove TYPE argument.
569 (analyze_offset) Use fold_build2 instead of fold (build.
570 (create_data_ref): Likewise.
571 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
572 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
575 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
577 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
578 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
580 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
583 * gimplify.c (zero_sized_type): New function.
584 (gimplify_modify_expr_rhs): If we have a zero sized type,
585 replace the statement with an empty statement.
587 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
589 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
592 2005-08-16 Ian Lance Taylor <ian@airs.com>
594 * doc/tm.texi (Label Output): Correct typo.
596 2005-08-16 Steven Bosscher <stevenb@suse.de>
599 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
600 force_operand will work later on using have_insn_for.
602 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
604 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
606 2005-08-16 Ian Lance Taylor <ian@airs.com>
609 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
610 vector type, don't try to construct it element by element. Add an
611 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
613 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
615 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
617 2005-08-16 Geoffrey Keating <geoffk@apple.com>
619 * doc/invoke.texi (Precompiled Headers): Document some more options
620 which are known to be safe.
622 2005-08-16 James E Wilson <wilson@specifix.com>
624 PR tree-optimization/21105
625 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
628 2005-08-16 David Edelsohn <edelsohn@gnu.org>
630 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
631 (neg_ltu<mode>): Same.
633 (neg_gtu<mode>): Same.
635 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
637 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
638 (fold_builtin_isdigit): Use fold_buildN.
639 (build_function_call_expr): Likewise.
640 * c-typeck.c (c_finish_loop): Likewise.
642 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
643 Richard Shann <rshann@superh.com>
646 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
648 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
650 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
652 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
655 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
656 arm_compure_save_reg0_reg12_mask to determine when the PIC register
659 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
662 * fold-const.c (build_range_check): Disable optimization for function
663 pointer expressions on targets that require function pointer
666 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
668 * simplify-rtx.c (simplify_const_relational_operation): When
669 extracting arguments of a COMPARE, recompute the mode as well.
671 2005-08-15 Ian Lance Taylor <ian@airs.com>
673 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
675 2005-08-15 DJ Delorie <dj@redhat.com>
677 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
679 (movsi_splittable): Allow, but split, moves to the stack.
680 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
683 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
685 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
686 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
687 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
689 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
690 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
691 Delete HOST_PTR_PRINTF.
693 * configure, config.in: Regenerate.
695 2005-08-15 David Edelsohn <edelsohn@gnu.org>
697 * config/rs6000/rs6000.md (QHSI): New mode macro.
698 (wd): Extend mode attr for QImode and HImode
699 (dbits): New mode attr.
700 (zero_extend<mode>di2): Convert to mode macro.
702 2005-08-15 Steve Ellcey <sje@cup.hp.com>
705 * doc/invoke.texi (-mgnu-ld): Update description.
708 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
711 * Makefile.in (tree-chrec.o): Depends on real.h.
712 * tree-chrec.c: Include real.h.
713 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
714 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
715 * tree-scalar-evolution.c (add_to_evolution_1,
716 interpret_rhs_modify_expr): Ditto.
718 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
721 * tree-data-ref.c (estimate_niter_from_size_of_data): When
722 step is negative compute the estimation from init downwards to zero.
724 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
726 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
728 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
730 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
732 (legitimate_reload_constant_p): Fix handling of lliXX operands.
733 Accept double-word constants that can be split.
734 * config/s390/s390.md ("movti"): Use 'P' constraint.
735 ("*movdi_31", "*movdf_31"): Likewise.
737 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
739 Fix PR tree-optimization/22615
741 * tree-ssa-structalias.c (solution_set_add): Handle
742 first_vi_for_offset returning NULL.
743 (do_da_constraint): Ditto.
744 (do_sd_constraint): Ditto.
745 (do_ds_constraint): Ditto
746 (find_func_aliases): Ditto.
747 (build_constraint_graph): RHS is allowed be ANYTHING.
748 (first_vi_for_offset): Return NULL if we couldn't find anything at
751 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
753 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
754 over memory as first operand.
756 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
759 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
760 available for setting it.
762 2005-08-14 Ira Rosen <irar@il.ibm.com>
764 PR tree-optimization/23320
765 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
766 data-refs' types instead of base object nullness. Add check for
767 pointer type data-refs before first location comparison. Remove
770 2005-08-14 Andreas Schwab <schwab@suse.de>
772 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
774 2005-08-13 James E Wilson <wilson@specifix.com>
776 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
777 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
778 -fstack-protector-all, --param ssp-buffer-size): Document.
779 (-Wvariadic-macros): Alphabetize.
780 (-fsched-stalled-insns-dep): Add missing 'f'.
782 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
785 2005-08-13 David Edelsohn <edelsohn@gnu.org>
787 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
788 or indirect address operand.
789 (EXTRA_ADDRESS_CONSTRAINT): New.
790 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
792 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
794 PR tree-optimization/22236
795 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
796 successors and predecessors.
797 * tree-chrec.c (chrec_convert): Before converting, check that
798 sequences don't wrap.
799 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
800 (analyze_array): Extern.
801 (find_data_references_in_loop): Remove call to
802 compute_estimated_nb_iterations.
803 * tree-data-ref.h (analyze_array): Declared.
804 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
805 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
806 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
807 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
809 * tree-ssa-loop-ivcanon.c: Fix documentation.
810 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
811 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
812 (infer_loop_bounds_from_undefined): New.
813 (estimate_numbers_of_iterations_loop): Use
814 infer_loop_bounds_from_undefined.
815 (used_in_pointer_arithmetic_p): New.
816 (scev_probably_wraps_p): Pass an extra parameter. Call
817 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
818 (convert_step): Fix documentation.
819 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
820 Use initial_condition_in_loop_num and evolution_part_in_loop_num
821 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
822 scev_probably_wraps_p.
824 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
826 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
827 (s390_register_info): Ignore clobbered_regs information for fixed
828 registers, and only fixed registers.
829 (s390_init_frame_layout): Remove redundant call.
831 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
833 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
834 description of -Wold-style-casts.
836 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
837 Jakub Jelinek <jakub@redhat.com>
839 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
840 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
841 * config/s390/s390.c (print_operand): New output modifier 'G' added.
842 (get_thread_pointer): Renamed to s390_get_thread_pointer.
843 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
844 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
845 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
846 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
847 ("stack_protect_set", "stack_protect_test"): New expanders.
848 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
849 "stack_protect_testdi"): New insn definitions.
851 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
853 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
855 2005-08-12 Paul Brook <paul@codesourcery.com>
857 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
859 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
861 * config/s390/predicates.md (setmem_operand): New predicate.
862 (shift_count_operand): Accept ANDs with special constants as
864 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
865 with special constants.
866 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
867 shift_count_operand with setmem_operand.
869 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
871 * config/s390/s390.c (s390_extract_part, s390_single_part):
873 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
874 (s390_output_mi_thunk): Don't use lg on 31 bit.
875 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
876 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
878 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
880 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
881 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
882 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
883 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
884 with one of the new macros.
886 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
888 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
889 Don't set save_return_addr_p.
890 (s390_register_info): Make clobbered_regs not depending on
893 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
895 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
896 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
898 2005-08-11 James E. Wilson <wilson@specifix.com>
900 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
902 2005-08-11 Jakub Jelinek <jakub@redhat.com>
904 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
905 locations gathered by var-tracking in single entry loc_list
906 over loc_descriptor_from_tree.
908 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
909 pass it down to loc_descriptor.
910 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
911 (containing_function_has_frame_base): Move earlier in the file.
912 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
913 instead of always assuming fbreg can't be used.
915 2005-08-11 David Edelsohn <edelsohn@gnu.org>
917 * config/rs6000/altivec.md: Change constraint "m" to "Z".
918 * config/rs6000/predicates.md (indexed_or_indirect_operand):
919 Accept address wrapped in AND for Altivec.
920 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
921 Strip AND wrapping offset address for Altivec.
923 2005-08-11 Richard Henderson <rth@redhat.com>
926 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
927 before using TYPE_IS_SIZETYPE.
929 2005-08-11 Richard Henderson <rth@redhat.com>
932 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
933 insn types not present on ev4.
934 (alphaev5_insn_pipe): Similarly.
936 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
939 * arm.c (arm_override_options): If the user has selected callee-super-
940 interworking, then enable normal interworking.
942 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
944 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
947 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
949 * doc/rtl.texi: Fix two typos.
951 2005-08-11 Richard Guenther <rguenther@suse.de>
954 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
955 cases where we call to/from functions returning void.
957 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
960 * tree.c (build_pointer_type_for_mode): Robustify.
962 2005-08-10 James E Wilson <wilson@specifix.com>
964 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
965 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
967 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
970 2005-08-10 Eric Christopher <echristo@apple.com>
972 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
973 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
976 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
979 * config/darwin.c (machopic_indirect_data_reference): Use a new register
980 for the high part when generating dynamic-no-pic code.
982 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
984 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
985 (x86_64-*-linux*): Likewise.
987 * config/i386/crtfastmath.c: New file.
988 * config/i386/t-crtfm: Likewise.
990 * config/i386/linux.h (ENDFILE_SPEC): New.
991 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
993 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
996 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
998 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
999 (vec_shl, vec_shr): Document new operations.
1000 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
1002 2005-08-10 David Edelsohn <edelsohn@gnu.org>
1004 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
1005 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
1006 change predicate to indexed_or_indirect_address.
1008 2005-08-10 Richard Sandiford <richard@codesourcery.com>
1010 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
1011 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
1012 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
1013 and __aeabi_uwrite8.
1014 * config/arm/unaligned-funcs.c: New file.
1015 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
1017 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
1019 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
1021 * cfglayout.c (pass_insn_locators_initialize): Add dump.
1022 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
1024 * except.c (pass_convert_to_eh_region_ranges): Add dump.
1025 * final.c (pass_shorten_branches): Add dump.
1026 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
1027 (pass_life): Rename dump.
1028 (rest_of_handle_flow2): Remove initial verify_flow_info.
1029 * function.c (pass_instantiate_virtual_regs): Add dump.
1030 * integrate.c (pass_initial_value_sets): Add dump.
1031 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
1032 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
1033 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
1034 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
1035 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
1036 gate_rtl_unrool_and_peel_loops): New.
1037 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
1038 rtl_doloop): Do not look at flags.
1039 * mode-switching.c (pass_mode_switching): Add dump.
1040 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
1041 pass_split_before_regstack): Add dump.
1042 * regmove.c (pass_stack_adjustments): Add dump.
1043 * tree-optimize.c (pass_fixup_cfg): Add dump.
1045 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1048 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
1049 deciding which instruction sequence to use.
1051 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
1053 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
1054 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
1056 2005-08-09 Richard Guenther <rguenther@suse.de>
1058 * c-common.c (builtin_function_2): Remove.
1059 (def_builtin_1): New function.
1060 (c_common_nodes_and_builtins): Use def_builtin_1 to
1061 build builtin functions.
1063 2005-08-09 Jie Zhang <jie.zhang@analog.com>
1065 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
1066 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
1067 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
1070 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
1072 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
1073 fold_binary instead of fold_build2 since we don't care about the
1075 (loop_niter_by_eval): Likewise.
1076 (compare_trees): Likewise.
1077 (proved_non_wrapping_p): Likewise.
1079 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
1083 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
1084 if the if is really empty.
1086 2005-08-09 Steven Bosscher <stevenb@suse.de>
1088 PR tree-optimization/23234
1089 * tree-ssa-math-opts.c (place_reciprocal): New enum.
1090 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
1091 argument of the new enum.
1092 (execute_cse_reciprocals): Add reciprocals for function arguments
1093 on the unique successor edge of the entry block. Update other calls
1094 to execute_cse_reciprocals_1.
1096 2005-08-08 Richard Henderson <rth@redhat.com>
1099 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
1101 2005-08-08 Bob Wilson <bob.wilson@acm.org>
1103 * expr.c (write_complex_part): Return after handling MEM.
1105 2005-08-08 Josh Conner <jconner@apple.com>
1107 PR rtl-optimization/23241
1108 * combine.c (simplify_comparison): Fix error in determining
1109 whether to lift a subreg from comparison.
1111 2005-08-08 David Edelsohn <edelsohn@gnu.org>
1114 * config/rs6000/altivec.md (vec_init<mode>): New.
1115 (vec_set<mode>): New.
1116 (vec_extract<mode>): New.
1117 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1118 (rs6000_expand_vector_set): New.
1119 (rs6000_expand_vector_extract): New.
1120 (rs6000_legitimate_offset_address_p): Offset addresses are valid
1121 for Altivec modes before reload.
1122 (altivec_expand_vec_init_builtin): New.
1123 (get_element_number): New.
1124 (altivec_expand_vec_set_builtin): New.
1125 (altivec_expand_vec_ext_builtin): New.
1126 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1128 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1130 * config/rs6000/rs6000.h (rs6000_builtins): Add
1131 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1132 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1133 * config/rs6000/rs6000-protos.h: Declare new functions.
1135 2005-08-08 Jan Hubicka <jh@suse.cz>
1137 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1138 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1139 * i386.md (movdi*): Use pic_32bit_operand.
1140 * predicates.md (pic_32bit_operand): New.
1142 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
1145 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1147 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
1149 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1150 (test_for_singularity): Use fold_build2.
1152 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1154 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1156 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
1158 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1159 (COMMON_ASM_OP) Define.
1160 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1161 (ix86_encode_section_info): Likewise.
1162 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1163 SUBTARGET_ENCODE_SECTION_INFO.
1165 2005-08-06 Richard Henderson <rth@redhat.com>
1168 * tree-nested.c (convert_local_reference): Save and restore val_only
1169 around component_ref and friends. Clear walk_subtrees by default.
1171 2005-08-06 Peter O'Gorman <peter@pogma.com>
1174 * gcc.c (process_command): Check the argument to -b has a dash.
1175 * doc/invoke.texi: Update -b and -V docs.
1177 2005-08-06 James E Wilson <wilson@specifix.com>
1179 * config/mips/cross64.h, config/mips/t-cross64: Delete.
1181 2005-08-06 Michael Matz <matz@suse.de>
1183 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
1184 member only if only one insn is associated with the value.
1186 2005-08-06 Nick Clifton <nickc@redhat.com>
1188 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
1190 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
1191 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
1192 Check symbol flags instead of symbol name mangling.
1193 (xstormy16_asm_output_aligned_common): Likewise. Also
1194 simplify code since the bss100_section cass is the only case
1195 where the below100 code will be triggered.
1196 (xstormy16_encode_section_info): Encode below100 attribute
1197 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
1199 (xstormy16_strip_name_encoding): Delete - this function is no
1201 (TARGET_STRIP_NAME_ENCODING): Undefine.
1202 * config/stormy16/stormy16-protos.h: Delete prototype for
1203 xstormy16_strip_name_encoding.
1205 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
1207 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
1208 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
1209 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
1210 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
1211 config/alpha/predicates.md, config/arc/arc.h,
1212 config/arm/arm.h, config/arm/ieee754-df.S,
1213 config/arm/ieee754-sf.S, config/bfin/bfin.c,
1214 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
1215 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
1216 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
1217 config/m68hc11/m68hc11.h, config/mips/mips.c,
1218 config/mips/mips.h, config/mips/openbsd.h,
1219 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
1220 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
1221 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1222 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1223 config/sparc/linux.h, config/sparc/linux64.h,
1224 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
1225 doc/extend.texi, doc/gcov.texi, doc/install.texi,
1226 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
1227 typos. Follow spelling conventions.
1229 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
1232 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
1233 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
1234 specially. Check for side effects only for COND_EXPR.
1235 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
1236 return with TREE_NO_WARNING.
1238 2005-08-06 Richard Sandiford <richard@codesourcery.com>
1240 PR rtl-optimization/23233
1241 * loop.c (combine_movables): Require the modes to be the same.
1242 (move_movables): Remove handling of cases where the replacement
1243 had a different mode to the original.
1245 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
1247 PR tree-optimization/23128
1248 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
1249 subtraction wrap, and set TREE_OVERFLOW if they do.
1251 2005-08-05 Richard Henderson <rth@redhat.com>
1254 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
1255 FORCED_LABEL labels.
1257 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
1260 * reload.c (find_reloads_subreg_address): Pass down TYPE
1261 unchanged. Change all callers except find_reloads_toplev.
1263 2005-08-05 Michael Matz <matz@suse.de>
1265 * genattrtab.c (current_alternative_string): Remove.
1266 (SIMPLIFY_ALTERNATIVE): Ditto.
1267 (attr_alt_bit_p): Ditto.
1268 (alternative_name): Make const char *.
1269 (evaluate_eq_attr): Remove use of above things.
1270 (simplify_test_exp): Ditto.
1271 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
1272 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
1274 2005-08-04 James E Wilson <wilson@specifix.com>
1276 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
1277 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
1278 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
1279 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
1280 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
1282 2005-08-04 Richard Henderson <rth@redhat.com>
1285 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
1286 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
1287 * tree-sra.c (decide_block_copy): Use it. Disable element copy
1288 if we'd have to instantiate too many members.
1290 2005-08-04 Richard Henderson <rth@redhat.com>
1293 * tree-outof-ssa.c (coalesce_asm_operands): New.
1294 (coalesce_ssa_name): Use it. Split out ...
1295 (coalesce_phi_operands, coalesce_result_decls): ... these.
1297 2005-08-04 Paul Brook <paul@codesourcery.com>
1299 * read-rtl.c (read_quoted_string): Break if EOF.
1301 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
1303 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
1304 (fold_build2): Likewise.
1305 (fold_build3): Likewise.
1306 (fold_build1_stat): New function prototype.
1307 (fold_build2_stat): Likewise.
1308 (fold_build3_stat): Likewise.
1309 * fold-const.c (fold_build1): Rename to ..
1310 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1311 through to build1_stat.
1312 (fold_build2): Rename to ..
1313 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1314 through to build2_stat.
1315 (fold_build3): Rename to ..
1316 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1317 through to build3_stat.
1319 2005-08-04 David Edelsohn <edelsohn@gnu.org>
1320 Ian Lance Taylor <ian@airs.com>
1322 * function.c (assign_stack_local_1): Do not correct stack slot
1323 address if allocation size is smaller than mode size.
1325 2005-08-04 Diego Novillo <dnovillo@redhat.com>
1328 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
1329 (tree_merge_blocks): Propagate anything allowed by
1331 Clarify documentation.
1332 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
1333 SSA form, schedule an update if necessary.
1335 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1337 * doc/install.texi (Binaries): Remove broken link to
1338 Sinix/Reliant Unix binaries.
1340 2005-08-03 Richard Henderson <rth@redhat.com>
1343 * function.c (stack_protect_epilogue): Export.
1344 * tree.h (stack_protect_epilogue): Declare.
1345 * calls.c (expand_call): Call it.
1347 2005-08-03 Eric Christopher <echristo@apple.com>
1349 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
1350 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
1353 2005-08-04 Jan Hubicka <jh@suse.cz>
1355 * profile.c (branch_prob): Split edges with goto locus on them
1356 to get proper line counts.
1357 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
1359 2005-08-03 Paul Brook <paul@codesourcery.com>
1361 * function.c (assign_parms): Round current_function_args_size
1362 to PARM_BOUNDARY, not STACK_BOUNDARY.
1364 2005-08-03 Geoffrey Keating <geoffk@apple.com>
1366 * config/i386/i386.c (x86_elf_aligned_common)
1367 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
1369 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
1371 PR tree-optimization/23157
1372 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
1373 before emitting them.
1375 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1377 PR tree-optimization/19899
1378 * Makefile.in (tree-scalar-evolution.o): Add real.h.
1379 * tree-scalar-evolution.c: Include real.h.
1380 (add_to_evolution): Build constant -1 of correct type.
1382 2005-08-03 Jan Hubicka <jh@suse.cz>
1384 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1385 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1386 profile updating for complette unrolling.
1387 * loop-unroll.c (peel_loop_completely): Use it.
1388 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1389 (tree_unroll_loops_completely): Disable code growing unrolling of cold
1392 2005-08-03 Paul Brook <paul@codesourcery.com>
1394 * combine.c (can_change_dest_mode): New function.
1395 (try_combine, simplify_set): Use it.
1397 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
1399 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1402 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
1404 * doc/install.texi (Specific): Adjust link to openavr.org.
1405 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1406 (Binaries): Adjust HP-UX Porting Center link.
1407 (Binaries): Adjust Free Software Foundation ordering link.
1409 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
1411 * convert.c (convert_to_integer): Use fold_build1 instead of
1412 build1 when converting an integer to an integer.
1414 2005-08-02 Richard Henderson <rth@redhat.com>
1416 * combine.c (combine_instructions): Don't use reg_equal/equiv
1417 results if the mode doesn't match.
1419 2005-08-02 Mark Mitchell <mark@codesourcery.com>
1421 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1422 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1424 2005-08-02 Richard Henderson <rth@redhat.com>
1427 * explow.c (memory_address): Remove special-case for
1428 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1430 2005-08-02 Diego Novillo <dnovillo@redhat.com>
1433 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1434 number of calls to cleanup_tree_cfg_1.
1436 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
1438 * doc/invoke.texi: document file extensions .F90 and .F95
1440 2005-08-02 Richard Guenther <rguenther@suse.de>
1442 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1443 positive if its first argument is positive.
1445 2005-08-02 Richard Guenther <rguenther@suse.de>
1447 PR tree-optimization/23177
1448 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1451 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
1453 PR tree-optimization/23129
1454 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1455 varying for divisions with anti-ranges.
1457 2005-08-02 Jan Hubicka <jh@suse.cz>
1459 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1460 * tree-ssa-threadupdate.c (thread_block): Add it here.
1462 2005-08-01 James E Wilson <wilson@specifix.com>
1464 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1465 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1466 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1468 * config/mips/predicates.md (const_call_insn_operand): Add check for
1469 SYMBOL_REF_LONG_CALL_P.
1470 * doc/extend.texi (long_call): Document the new attribute.
1472 2005-08-01 Ian Lance Taylor <ian@airs.com>
1473 Richard Henderson <rth@redhat.com>
1475 * Makefile.in (RTL_BASE_H): Add real.h.
1476 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1478 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1480 * rtl.c (rtl_check_failed_code_mode): New.
1481 * rtl.h (struct rtx_def): Add u.rv.
1482 (XCMWINT, XCNMPRV): New.
1483 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1484 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1486 2005-08-01 Richard Henderson <rth@redhat.com>
1488 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1489 with auto-inc codes.
1491 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1493 2005-08-01 Jan Hubicka <jh@suse.cz>
1495 * i386-protos.h (asm_preferred_eh_data_format): Declare.
1496 * i386.c: Include dwarf2.h
1497 (asm_preferred_eh_data_format): New.
1498 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1500 2005-08-01 Ian Lance Taylor <ian@airs.com>
1502 * config/host-linux.c (linux_gt_pch_get_address): Add new name
1503 randomize_va_space for virtual address randomization control.
1505 2005-08-01 Steven Bosscher <stevenb@suse.de>
1507 * common.opt (flag_ipa_cp): Put in right place to maintain
1510 2005-08-01 Jan Hubicka <jh@suse.cz>
1512 * profile.c (compute_value_histograms): Fix thinko.
1513 * value-prof.c: Include toplev.h
1514 (check_counter): New function.
1515 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1516 tree_mod_subtract_transform): Add sanity check.
1518 2005-08-01 Richard Guenther <rguenther@suse.de>
1520 PR tree-optimization/23133
1521 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1522 current functions parameter decls to find defs to cse
1525 2005-08-01 Richard Guenther <rguenther@suse.de>
1527 PR tree-optimization/23109
1528 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1529 If trapping math is in effect, use post-dominator information
1530 to check if we'd in any case reach a trapping point before
1531 doing the reciprocal insertion.
1532 (execute_cse_reciprocals): Compute post-dominators, if necessary.
1533 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1534 expressions are invariant only if trapping math is not in effect.
1536 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
1538 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1539 cgraph_function_versioning): New declarations.
1540 * cgraphunit.c: Add include to ipa-prop.h.
1541 (update_call_expr, cgraph_copy_node_for_versioning,
1542 cgraph_function_versioning): New functions.
1543 * integrate.c (copy_decl_for_inlining): Remove.
1544 * ipa-prop.h (ipa_replace_map): New struct.
1545 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1546 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1547 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1548 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1549 ipcp_iterate_stage, ipcp_method_scale_print,
1550 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1551 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1552 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1553 ipcp_update_bb_counts, ipcp_update_profiling,
1554 ipcp_update_edges_counts): New functions.
1555 (ipcp_method_cval_init): Remove restriction regarding local methods.
1556 (ipcp_init_stage): Add ipcp_method_compute_scale.
1557 (ipcp_insert_stage): Add versioning.
1558 (ipcp_structures_print): Add ipcp_method_scale_print.
1559 (ipcp_driver): Dump profiling info.
1560 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1561 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1562 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1563 (struct inline_data): Add versioning_p, ipa_info, new fields.
1564 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1565 declare_return_variable): Replace calls to copy_decl_for_inlining with
1567 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1569 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1570 Add argument VERSIONING.
1571 (copy_arguments_for_versioning, copy_static_chain,
1572 function_versionable_p, tree_versionable_function_p,
1573 tree_function_versioning, replace_ref_tree): New functions.
1574 * tree-inline.h: Include varray.h.
1575 (tree_versionable_function_p, tree_function_versioning,
1576 tree copy_decl_for_dup): New declarations.
1578 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
1580 * ipa-cp.c: New file. Contains IPCP specific functionality.
1581 * ipa-prop.h: New file. Contains structures/definitions that can be
1582 used by several interprocedural data flow optimizations (and also IPCP).
1583 * ipa-prop.c: New file.
1584 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1585 * common.opt: Add ipa-cp flag.
1586 * timevar.def: Add IPCP optimization.
1587 * tree-optimize.c (init_tree_optimization_passes): Schedule
1589 * tree-pass.h (pass_ipa_cp): Declare.
1591 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
1593 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1594 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1595 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1596 config/i386/i386.c, config/mips/mips.h,
1597 config/rs6000/rs6000.h, config/sh/sh.c,
1598 config/stormy16/stormy16.c: Fix comment typos.
1600 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
1603 * c-typeck.c (build_binary_op): Use common_type wrapper on
1605 (common_type): Update comment.
1607 2005-07-31 Steven Bosscher <stevenb@suse.de>
1610 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1611 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1612 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1614 2005-07-31 Jan Hubicka <jh@suse.cz>
1616 * pretty-print.h (pp_widest_integer): New macro.
1617 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1620 2005-07-31 Jan Hubicka <jh@suse.cz>
1622 * output.h (enum section_category): Export from varasm.c
1623 (categorize_decl_for_section): Likewise.
1624 * varasm.c (enum section_category): Kill.
1625 (categorize_decl_for_section): Make global.
1626 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
1628 * i386.c (ix86_section_threshold): New static variable.
1629 (ix86_in_large_data_p, ix86_encode_section_info,
1630 x86_64_elf_unique_section,
1631 x86_64_elf_select_section): New functions.
1632 (TARGET_ENCODE_SECTION_INFO): Define
1633 (override_options): Enable medium model for PIC.
1634 (ix86_expand_prologue): Expand gen_set_got_rex64.
1635 (legitimate_constant_p): Handle new UNSPECs.
1636 (legitimate_pic_address_disp_p): Likewise.
1637 (legitimize_pic_address): Lower MEDIUM model addressing.
1638 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
1639 (enum cmodel): Add MEDIUM_PIC.
1640 (SYMBOL_REF_FAR_ADDR_P): New macro.
1641 (SYMBOL_FLAG_FAR_ADDR): New flag.
1642 * i386.md (movdi): Support medium model.
1643 (set_got_rex64): New pattern.
1644 * i386.opt (mlarge-data-threshold): New flag.
1645 * predicates.md (zext_operand/sext_operand): Deal with medium model.
1646 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
1647 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
1648 TARGET_ASM_UNIQUE_SECTION): New.
1650 * invoke.texi (-mlarge_data_threshold): Document
1652 2005-07-31 Jan Hubicka <jh@suse.cz>
1654 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
1655 (coalesce_vars): Likewise.
1656 * tree-ssa-live.c (coalesce_cost): New.
1657 (build_tree_conflict_graph): Use coalesce_cost.
1658 * tree-ssa-live.h (coalesce_cost): Declare.
1660 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
1662 * arm.md (all peepholes for post-increment operations): Delete.
1663 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
1664 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
1665 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
1666 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
1667 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
1669 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
1671 * fold-const.c (tree_expr_nonnegative_p): Always return true for
1674 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
1677 * doc/invoke.texi: Document -rdynamic.
1679 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
1682 * c-parser.c (c_parser_parms_list_declarator): Call
1683 mark_forward_parm_decls.
1684 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
1685 decls with visibility structure.
1687 2005-07-30 Paul Brook <paul@codesourcery.com>
1689 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
1691 2005-07-30 Paul Brook <paul@codesourcery.com>
1693 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
1695 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
1697 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
1699 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1702 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
1703 nested function declarators.
1704 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
1705 (grokparms): Call warn_if_shadowing for parameters used within the
1707 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
1708 not used within the parameter list.
1709 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
1711 2005-07-30 Jan Hubicka <jh@suse.cz>
1713 * expr.c (expand_expr_real_1): Do not load mem targets into register.
1714 * i386.c (ix86_fixup_binary_operands): Likewise.
1715 (ix86_expand_unary_operator): Likewise.
1716 (ix86_expand_fp_absneg_operator): Likewise.
1717 * optabs.c (expand_vec_cond_expr): Validate dest.
1719 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1722 * real.c (real_from_string): Also set last bit if there is a
1723 nonzero hex digit beyond GCC's internal precision after ".".
1725 2005-07-29 David Edelsohn <edelsohn@gnu.org>
1727 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
1728 define_constants. Change duplicate values to unassigned numbers.
1729 Change UNSPEC_SUBS to UNSPEC_VSUBS.
1730 (*altivec_vspltsf): New.
1731 (altivec_vperm_v4sf): Delete.
1732 (altivec_vperm_<mode>): Use mode macro V.
1733 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
1734 (altivec_predicate_v4sf): Delete.
1735 (altivec_predicate_<mode>): Use mode macro V.
1736 (*altivec_lvesfx): New.
1737 (*altivec_stvesfx): New.
1738 (vec_realign_load_v4sf): Delete.
1739 (vec_realign_load_<mode>): Use mode macro V.
1740 * config/rs6000/rs6000.c (generate_set_vrsave): Use
1743 2005-07-29 Mark Mitchell <mark@codesourcery.com>
1746 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
1748 * configure: Regenerated.
1750 2005-07-29 Paul Brook <paul@codesourcery.com>
1752 * doc/install.texi: Add link to GFortran binaries wiki page.
1754 2005-07-29 David Ung <davidu@mips.com>
1756 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
1757 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
1758 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
1759 * config/mips/mips.md (cpu): Add 5kf name.
1760 (includes): Includes 5k.md.
1761 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
1762 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
1765 2005-07-29 Diego Novillo <dnovillo@redhat.com>
1768 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
1769 (cleanup_tree_cfg): ... here.
1770 Call cleanup_tree_cfg_1 until there are no more cleanups to
1773 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
1775 * tree-vrp.c (compare_range_with_value): Return true or false
1776 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
1777 EQ_EXPR respectively.
1779 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
1781 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
1784 2005-07-29 Diego Novillo <dnovillo@redhat.com>
1786 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
1787 (tree_ssa_dominator_optimize): Increment it.
1788 (dump_dominator_optimization_stats): Print it.
1790 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
1791 Steven Bosscher <stevenb@suse.de>
1793 PR rtl-optimization/23117
1794 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
1795 when head == tail. Tidy comment.
1797 2005-07-28 Richard Henderson <rth@redhat.com>
1799 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
1800 * cselib.c (rtx_equal_for_cselib_p): Likewise.
1801 * jump.c (rtx_renumbered_equal_p): Likewise.
1802 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
1803 CONST_INT and CONST_DOUBLE.
1804 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
1805 * reload.c (operands_match_p): Special case CONST_INT and
1806 CONST_DOUBLE; check mode earlier.
1808 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1811 * c-typeck.c (convert_for_assignment): Do not check
1812 DECL_IN_SYSTEM_HEADER on NULL fundecl.
1814 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1817 * c-typeck.c (composite_type): Prefer constant size arrays to
1820 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1823 * real.c (real_from_string): Set last bit if there is a nonzero
1824 hex digit beyond GCC's internal precision.
1826 2005-07-28 Richard Henderson <rth@redhat.com>
1829 * cfgcleanup.c (try_forward_edges): Watch out for end of
1832 2005-07-28 James E Wilson <wilson@specifixinc.com>
1835 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
1837 2005-07-28 Jan Hubicka <jh@suse.cz>
1839 * Makefile.in (rtl-profile.o): Kill all traces of it.
1840 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
1841 * coverage.h (rtl_coverage_counter_ref): Kill.
1842 * opts.c (flag_speculative_prefetching_set): Kill.
1843 (flag_loop_optimize_set): New.
1844 (common_handle_option): Disable loop optimizer when profiling;
1845 do not handle speculative prefetching.
1846 * passes.c (init_optimization_passes): Replace pass_profiling combo
1847 by branch_prob pass.
1848 * profile.c (compute_value_histograms): Update for simplified value
1850 (rtl_register_profile_hooks): Kill.
1851 (pass_profiling): Kill.
1852 (rest_of_handle_branch_prob): Do not profile.
1853 * toplev.c (process_options): Remove speculative prefetching.
1854 * toplev.h (flag_tree_based_profiling): Kill.
1855 * tree-profile.c (prepare_instrumented_value,
1856 tree_gen_interval_profiler, tree_gen_pow2_profiler,
1857 tree_gen_one_value_profiler, do_tree_profiling): Update for
1858 simplified datastructures.
1859 * value-prof.c: Add comment that speculative prefetching was dropped;
1860 update rest of file for simplified datastructures.
1861 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
1862 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
1863 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
1864 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
1865 rtl_mod_subtract, gen_speculative_prefetch,
1866 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
1867 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
1868 (gate_handle_value_profile_transformations,
1869 rest_of_handle_value_profile_transformations,
1870 pass_value_profile_transformations): Kill.
1871 * value-prof.h (histogram_value_t): Remove IL based unions.
1872 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
1873 rtl_profile_hooks): Remove hooks.
1875 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
1877 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
1878 (cgraph_clone_node): Likewise.
1879 * cgraph.h (cgraph_clone_edge): Update prototype.
1880 (cgraph_clone_node): Likewise.
1881 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
1883 (lookup_recursive_calls): Consider profile.
1884 (cgraph_decide_recursive_inlining): Fix updating; use new
1885 probability argument; use profile.
1886 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
1887 * tree-inline.c (copy_bb): Update clal of clone_edge.
1888 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
1890 * invoke.texi (min-inline-recursive-probability): Document.
1892 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1894 * doc/install.texi (Configuration): Update Valgrind homepage.
1896 2005-07-28 Richard Henderson <rth@redhat.com>
1899 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
1900 labels we want to delete.
1901 (cfg_layout_merge_blocks): Likewise.
1903 2005-07-28 Richard Henderson <rth@redhat.com>
1906 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
1907 when expanding to nothing.
1909 2005-07-28 Josh Conner <jconner@apple.com>
1911 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
1912 (cgraph_decide_inlining_of_small_functions): Likewise.
1914 2005-07-28 Josh Conner <jconner@apple.com>
1916 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
1917 direction of badness if negative.
1918 (cgraph_default_inline_p): Add reason to parameters, and assign it
1920 (cgraph_decide_inlining_of_small_functions): New parameter in call
1921 to cgraph_default_inline_p.
1922 (cgraph_decide_inlining_incrementally): Likewise.
1923 * cgraphunit.c (decide_is_function_needed): Likewise.
1924 * cgraph.h (cgraph_default_inline_p): Likewise.
1926 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1928 * builtins.c: Fix comment typo(s).
1929 * genautomata.c: Likewise.
1930 * gimplify.c: Likewise.
1931 * tree-dfa.c: Likewise.
1932 * tree-flow-inline.h: Likewise.
1933 * tree-into-ssa.c: Likewise.
1934 * tree-ssa-alias.c: Likewise.
1935 * tree-ssa-ccp.c: Likewise.
1936 * tree-ssa-copy.c: Likewise.
1937 * tree-ssa-dce.c: Likewise.
1938 * tree-ssa-dom.c: Likewise.
1939 * tree-ssa-operands.c: Likewise.
1940 * tree-tailcall.c: Likewise.
1941 * tree-vectorizer.c: Likewise.
1942 * tree-vrp.c: Likewise.
1945 2005-07-28 Jeff Law <law@redhat.com>
1947 * tree-vrp.c (test_for_singularity): Extracted from ...
1948 (simplify_cond_using_ranges): Attempt to simplify a relational
1949 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
1951 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
1953 PR tree-optimization/22506
1954 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
1955 phis whose argument is constant.
1957 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
1959 PR rtl-optimization/18992
1960 Back out this patch:
1961 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1962 PR optimization/12142
1963 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
1964 uses of the register in the SET_SRC. Remove unnecessary argument.
1966 Replace it with this:
1967 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
1968 if flag_non_call_exceptions is set and the insn may trap, pass
1969 pc_rtx as dest for recursion.
1970 In SET_SRC part of SET case, if dest is already set, pass it down
1973 2005-07-28 Jan Hubicka <jh@suse.cz>
1975 * cfg.c (update_bb_profile_for_threading): Use RDIV.
1976 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
1977 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
1979 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
1980 profile when available.
1982 2005-07-28 Jan Beulich <jbeulich@novell.com>
1984 * config/ia64/ia64.c (ia64_load_pair_ok): New.
1985 (ia64_print_operand): Describe and handle 'X'.
1986 (ia64_register_move_cost): Also handle FP_REGS.
1987 (ia64_preferred_reload_class): Likewise.
1988 (ia64_secondary_reload_class): Likewise.
1989 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
1990 it. Also check for ITANIUM_CLASS_FLDP.
1991 * config/ia64/ia64.h (FP_REGNO_P): New.
1992 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
1993 (reg_class): Add FP_REGS.
1994 (REG_CLASS_NAMES): Adjust for it.
1995 (REG_CLASS_CONTENTS): Likewise.
1996 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
1997 (REG_CLASS_FROM_LETTER): Handle 'x'.
1998 (CLASS_MAX_NREGS): Handle FP_REGS.
1999 (MEMORY_MOVE_COST): Likewise.
2000 * config/ia64/ia64.md (itanium_class): Add fldp.
2001 (type): Handle fldp.
2002 (movti_internal): More allowable operand combinations. Use ldfp8 when
2003 splitting unnecessary. Remove predicable attribute. Adjust
2004 itanium_class attribute.
2005 (smuldi3_highpart): Remove outdated comment.
2006 (mulditi3, umulditi3, rotlti3): New expanders.
2007 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
2008 (absti2): Disabled new insn for future reference.
2009 Respective new splitters.
2010 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
2011 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
2012 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
2014 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
2016 PR rtl-optimization/23047
2017 * simplify-rtx.c (simplify_const_relational_operation): Respect
2018 flag_wrapv for comparisons with ABS.
2020 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
2022 PR tree-optimization/22493
2023 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
2024 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
2026 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
2028 * config/frv/frv.opt (moptimize-membar): New.
2030 * doc/invoke.texi: Document -moptimize-membar and its inverse.
2032 * config/frv/frv.h: Remove machine_function definition.
2034 * config/frv/frv.c (struct frv_io): New.
2035 (struct machine_function): Moved from frv.h. Add has_membar_p.
2036 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
2037 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
2038 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
2039 (frv_optimize_membar_global, frv_optimize_membar): New functions.
2040 (frv_reorg): Call frv_optimize_membar when appropriate.
2041 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
2042 (frv_expand_builtin): Adjust calls accordingly.
2043 (frv_io_address_cookie): New function.
2044 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
2045 load or store rather than a special insn. Add ccnstant address and
2046 io-type operands to the membar.
2047 (frv_ifcvt_modify_tests): Unsign regno.
2048 (frv_ifcvt_modify_tests): Same.
2050 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
2051 UNSPEC_OPTIONAL_MEMBAR constant.
2052 (builtin_read_<mode>): Delete.
2053 (builtin_write_<mode>): Delete.
2054 ("optional_membar_<mode>"): Add operand.
2056 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
2057 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
2058 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
2059 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
2060 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
2061 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
2062 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
2063 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
2064 * testsuite/gcc.target/frv/all-read-write-1.c: New.
2066 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
2068 * df.c (df_uses_record): Handle SCRATCH.
2070 2005-07-28 Steven Bosscher <stevenb@suse.de>
2073 * passes.c (rest_of_decl_compilation): If decl is a type and
2074 we have encountered errors, don't emit debug information.
2076 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2078 * params.def: Fixed comment.
2080 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
2083 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
2084 (TARGET_ASM_UNALIGNED_HI_OP): Add.
2085 (TARGET_ASM_UNALIGNED_SI_OP): Add.
2087 2005-07-27 Steven Bosscher <stevenb@suse.de>
2090 * varasm.c (assemble_start_function): Don't do anything that may
2091 require a CFG if the current function is a thunk.
2093 2005-07-25 Geoffrey Keating <geoffk@apple.com>
2095 * doc/install.texi (Prerequisites): Mention that perl is needed
2096 to do export control in libstdc++ targetting Darwin.
2098 2005-07-27 Steven Bosscher <stevenb@suse.de>
2100 PR rtl-optimization/17808
2101 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
2102 (sched_insns_conditions_mutex_p): Split out from...
2103 (add_dependence): ...here. But don't call it from here.
2104 (add_dependence_list): Check sched_insns_conditions_mutex_p
2105 before calling add_dependence.
2106 (add_dependence_list_and_free): Likewise.
2107 (fixup_sched_groups): Likewise.
2108 (sched_analyze_1): Likewise.
2109 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
2110 (sched_analyze): Likewise.
2111 (sched_analyze_insn): Likewise.
2112 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
2113 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
2114 dependencies on all COND_EXEC insns to jumps ending basic blocks
2115 when doing intrablock scheduling.
2116 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2118 2005-07-27 Jeff Law <law@redhat.com>
2120 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2121 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
2122 equivalency sets, correctly handle the case were vr0 has an
2123 equivalency set, but vr1 does not.
2125 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
2127 PR tree-optimization/23073
2128 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2129 vect_print_dump_info before fprintf.
2131 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2133 PR tree-optimize/22348
2134 * tree-ssa-loop-niter.c (number_of_iterations_cond):
2135 Fold the partial computation.
2137 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2139 PR tree-optimization/22325
2140 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2142 * tree-scalar-evolution.c (scev_const_prop): Add generic final
2144 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2145 (force_var_cost): ... this function.
2146 (compute_phi_arg_on_exit): Export.
2148 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2150 PR tree-optimization/20773
2151 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2154 2005-07-27 Richard Guenther <rguenther@suse.de>
2156 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2157 Avoid pushing again if current struct contains only
2158 fields we decomposed.
2160 2005-07-27 Jan Hubicka <jh@suse.cz>
2162 PR tree-optimization/22574
2163 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2166 * tree-tailcall.c (decrease_profile): New function.
2167 (eliminate_tail_call): Use it.
2169 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2170 visibility flags correctly in whole program mode.
2172 2005-07-26 Steve Ellcey <sje@cup.hp.com>
2174 PR rtl-optimization/22472
2175 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
2177 2005-07-26 Steven Bosscher <stevenb@suse.de>
2179 PR tree-optimization/22504
2180 * tree-complex.c (expand_complex_addition): Use 'code' instead
2181 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
2183 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
2185 * config.gcc (cpu_type): Add frv case.
2186 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
2187 (supported_defaults): Add fr550 case.
2189 2005-07-26 Diego Novillo <dnovillo@redhat.com>
2192 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
2193 whether a pointer of type T * may point to objects of type T *.
2195 2005-07-26 DJ Delorie <dj@redhat.com>
2197 * configure: Regenerate.
2199 2005-07-26 Dale Johannesen <dalej@apple.com>
2201 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
2203 2005-07-26 Mark Mitchell <mark@codesourcery.com>
2205 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
2206 Clarify use of "build" in name.
2208 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
2210 * doc/extend.texi (Raw read/write Functions): New section.
2211 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
2212 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
2213 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
2214 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
2215 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
2216 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
2217 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
2218 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
2219 * config/frv/frv.c: Add bdesc_loads global.
2220 Add bdesc_stores global.
2221 (frv_init_builtins): Add support for __builtin_{read/write}*.
2222 (frv_volatile_memref): New.
2223 (frv_expand_load_builtin): New.
2224 (frv_expand_store_builtin): New.
2225 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
2226 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
2227 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
2228 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
2229 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
2230 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
2231 (builtin_read_<mode>): New.
2232 (builtin_write_<mode>): New.
2233 (builtin_write64): New.
2234 (optional_membar_<mode>): New.
2236 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
2238 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
2239 (rather than units) against HOST_BITS_PER_WIDE_INT.
2241 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
2243 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
2244 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
2245 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
2246 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
2249 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
2250 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
2251 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
2253 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
2255 2005-07-26 Richard Guenther <rguenther@suse.de>
2257 PR tree-optimization/22486
2258 * fold-const.c (fold_unary): Fold away useless component
2259 references of the form (T *)&T.x, if the address
2262 2005-07-25 James E Wilson <wilson@specifixinc.com>
2264 * dwarf2out.c (add_call_src_coords_attributes): New.
2265 (gen_inlined_subroutine_die): Call it.
2266 (maybe_emit_file, init_file_table): Add comments.
2267 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
2269 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
2270 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
2271 * tree.h (BLOCK_SOURCE_LOCATION): New.
2272 (struct tree_block): New field locus.
2274 2005-07-26 Andreas Schwab <schwab@suse.de>
2276 PR rtl-optimization/23043
2277 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
2278 when allocating a struct unoccr.
2280 2005-07-25 Richard Henderson <rth@redhat.com>
2283 * tree-complex.c (gate_no_optimization): True if errors.
2284 * Makefile.in (tree-complex.o): Update dependencies.
2286 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
2288 * config/frv/predicates.md (integer_register_operand): Use
2291 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
2294 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
2296 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
2298 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
2300 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
2301 types when flag_unsafe_math_optimizations is true.
2303 2005-07-25 Mark Mitchell <mark@codesourcery.com>
2305 * gcc.c (option_map): Add --sysroot.
2306 (process_command): Handle --sysroot.
2307 (display_help): Document it.
2308 * doc/cppopts.tex (-isysroot): Document.
2309 * doc/invoke.texi (--sysroot): Document.
2310 * doc/install.texi (--with-build-sysroot): Document.
2312 * Makefile.in (inhibit_libc): New variable.
2313 (INHIBIT_LIBC_CFLAGS): Likewise.
2314 (LIBGCC2_CFLAGS): Include
2315 $(INHIBIT_LIBC_CFLAGS).
2316 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
2317 ($(T)crtbegin.o): Do not use @inhibit_libc@.
2318 ($(T)crtend.o): Likewise.
2319 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
2320 ($(T)crtendS.o): Likewise.
2321 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
2322 ($(T)crtendT.o): Likewise.
2323 (stmp-fixinc): Do not complain about missing headers if
2325 * configure.ac (inhibit_libc): Set it to true/false.
2326 (--with-build-sysroot): New option. Use it to set
2328 * configure: Regenerated.
2330 2005-07-25 Manfred Hollstein <mh@suse.com>
2332 * calls.c (store_one_arg): Fix unsigned comparison warning.
2334 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2337 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
2338 (ggc_print_statistics): Initialize variable before use.
2340 2005-07-25 Richard Guenther <rguenther@suse.de>
2342 * tree-dfa.c (mark_new_vars_to_rename): Protect against
2343 calling with a PHI_NODE argument.
2345 * tree-flow-inline.h (overlap_subvar): Protect against
2348 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
2350 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
2351 * configure: Regenerate.
2353 2005-07-25 Ira Rosen <irar@il.ibm.com>
2355 * expr.c (highest_pow2_factor): Make extern.
2356 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
2357 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2358 record_array_differ_p, array_ptr_differ_p): Likewise.
2359 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
2360 additional cases. Call the above functions.
2361 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
2362 base_object_differ_p when there are two base objects. Otherwise, compare
2363 base address and offset. Call may_alias_p.
2364 (dump_data_reference): Use a correct field name.
2365 (analyze_array): Make static. Initialize new data-ref fields.
2366 (analyze_indirect_ref): New function.
2367 (init_data_ref): Initialize new data-ref fields.
2368 (strip_conversion): Moved from tree-vect-analyze.c.
2369 (analyze_offset_expr, get_ptr_offset, address_analysis,
2370 object_analysis): Likewise.
2371 (analyze_offset): New function.
2372 (create_data_ref): Likewise.
2373 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
2374 dimensions for ARRAY_REFs only.
2375 (build_classic_dist_vector): Make static.
2376 (access_functions_are_affine_or_constant_p): Call macro to get the
2377 address of access functions.
2378 (compute_all_dependences): Add new parameter
2379 compute_self_and_read_read_dependences. Compute self and read-read
2380 dependences if it is true.
2381 (find_data_references_in_loop): Call create_data_ref. Initialize new
2383 (compute_data_dependences_for_loop): Add new parameter
2384 compute_self_and_read_read_dependences. Remove parameter nb_loops,
2385 compute nb_loops. Call compute_all_dependences,
2386 build_classic_dist_vector and build_classic_dir_vector with correct
2388 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2389 with correct parameters. Compare dimensions for ARRAY_REFs only.
2390 (free_data_refs): Call macro to free access functions.
2391 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2392 fields from stmt_vinfo.
2393 (struct base_object_info): New structure.
2394 (struct data_reference): Move fields to base_object_info. Add fields
2395 first_location and object_info for above structures. Move fields from
2396 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2397 aligned_to. Add macros to access the new fields.
2398 Update functions declarations.
2399 * tree-flow.h (is_aliased_with): Declare.
2400 * tree-loop-linear.c (linear_transform_loops): Call
2401 compute_data_dependences_for_loop with correct parameters.
2402 * tree-ssa-alias.c (is_aliased_with): New function.
2403 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2404 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2405 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2406 vect_base_addr_differ_p, compute_subscript_distance and
2407 build_classic_dist_vector. Add printings. Check absolute value of
2409 (vect_analyze_data_ref_dependences): Go through ddrs instead of
2411 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2412 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2413 to bytes. Add printing.
2414 (vect_compute_data_refs_alignment): Go through loads and stores in one
2416 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2417 vect_analyze_data_ref_access): Likewise.
2418 (vect_analyze_pointer_ref_access): Remove.
2419 (vect_address_analysis, vect_object_analysis): Likewise.
2420 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2421 and analyze data-refs in the loop.
2422 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2423 fields of data-ref instead of stmt. Add init to the offset from the
2425 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2426 (vect_update_init_of_dr): Likewise.
2427 (vect_update_inits_of_drs): Go through loads and stores in one loop.
2428 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2430 (new_loop_vec_info): Initialize new fields.
2431 (destroy_loop_vec_info): Free new fields.
2432 (vect_strip_conversion): Remove.
2433 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2434 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2435 datarefs. Add new field ddrs.
2436 Add macros for the new fields access.
2437 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2438 base_aligned_p, misalignment, memtag, ptr_info and subvars.
2439 Remove their macros.
2440 * tree.h (highest_pow2_factor): Declare.
2442 2005-07-25 Jakub Jelinek <jakub@redhat.com>
2444 * calls.c (store_one_arg): Check for sibling call MEM arguments
2445 from already clobbered incoming argument area.
2447 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2449 * c-common.c (check_missing_format_attribute): New.
2450 * c-common.h (check_missing_format_attribute): Likewise.
2451 * c-typeck.c (convert_for_assignment): Use it.
2453 2005-07-24 Andreas Schwab <schwab@suse.de>
2455 * config/m68k/m68k.md ("extendqidi2"): When source is an address
2456 register use a word move. Correct operand of ext.w in 68000 code.
2458 2005-07-23 Mark Mitchell <mark@codesourcery.com>
2460 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2461 variables as declarations, rather than definitions.
2463 2005-07-24 Ira Rosen <irar@il.ibm.com>
2465 PR tree-optimization/22526
2466 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2469 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2471 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2472 that C99 reserve for future use. Use it to define clog10,
2473 clog10f and clog10l.
2475 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2477 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2478 * configure.ac: Check for -Wmissing-format-attribute.
2480 * configure: Regenerate.
2482 2005-07-23 Richard Henderson <rth@redhat.com>
2484 PR tree-optimization/22623
2485 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2487 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
2490 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2492 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2494 * Makefile.in (C_TREE_H): Update dependencies.
2495 * c-tree.h: Include toplev.h.
2496 * diagnostic.h (diagnostic_set_info): Add format attribute.
2497 * rtl-error.c (diagnostic_for_asm): Likewise.
2499 2005-07-23 Chao-ying Fu <fu@mips.com>
2501 * config/mips/mips-dsp.md: New file.
2502 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2503 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2505 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2506 MIPS_BUILTIN_BPOSGE32.
2507 (mips_expand_builtin_direct): Add one parameter to indicate that
2508 builtin functions need to return a value.
2509 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2511 (mips_regno_to_class): Add classes for 12 new DSP registers.
2512 (mips_subword): Change to check four HI registers.
2513 (mips_output_move): Output move to and from 6 new DSP accumulators.
2514 (override_options): Make sure -mdsp and -mips16 are not used together.
2515 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
2517 (mips_conditional_register_usage): Disable 6 new DSP accumulators
2519 (print_operand): Add 'q' for printing DSP accumulators.
2520 (mips_cannot_change_mode_class): Check ACC_REGS.
2521 (mips_secondary_reload_class): Check ACC_REGS.
2522 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2523 (mips_register_move_cost): Check ACC_REGS.
2524 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2525 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2526 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2527 (dsp_bdesc): New array.
2528 (bdesc_arrays): Add DSP builtin function table.
2529 (mips_prepare_builtin_arg): Check predicate again after
2531 (mips_expand_builtin): Add one more parameter to
2532 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2533 MIPS_BUILTIN_BPOSGE32.
2534 (mips_init_builtins): Initialize new function types.
2535 (mips_expand_builtin_direct): Check if builtin functions need to
2536 return a value and pass operands properly.
2537 (mips_expand_builtin_bposge): New function.
2538 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2539 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2540 (FIRST_PSEUDO_REGISTER): Increase to 188.
2541 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2542 Update for 12 new DSP registers.
2543 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2544 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2545 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2546 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2547 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2548 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2549 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2550 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2551 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2552 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2553 (REGISTER_NAMES): Add names for 12 new DSP registers.
2554 * config/mips/mips.md: Include mips-dsp.md.
2555 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2556 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2557 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2558 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2559 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2560 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2561 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2562 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2563 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2564 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2565 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2566 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2567 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2568 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2569 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2570 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2571 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2572 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2573 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2574 (UNSPEC_RDDSP): New constants.
2575 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2576 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
2578 * config/mips/mips.opt (-mdsp): New option.
2579 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2580 (reg_imm10_operand): New predicates.
2581 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2582 * doc/invoke.texi (-mdsp): Document new option.
2584 2005-07-22 DJ Delorie <dj@redhat.com>
2586 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2588 * tree-inline.c (inlinable_function_p): Likewise.
2590 2005-07-22 Mark Mitchell <mark@codesourcery.com>
2593 * toplev.c (check_global_declarations): Do not mark undefined
2594 variables as DECL_IGNORED_P.
2595 * varasm.c (first_global_object_name): GTY it.
2596 (weak_global_object_name): Likewise.
2597 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2598 a string to go into {weak,first}_global_object_name.
2600 2005-07-22 DJ Delorie <dj@redhat.com>
2602 * c-format.c (check_function_format): Change warning control
2603 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2605 2005-07-22 Diego Novillo <dnovillo@redhat.com>
2607 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2608 &PTR->FLD a dereference of PTR.
2609 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2610 a potential dereference of PTR.
2612 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
2614 PR rtl-optimization/20370
2615 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2616 call allocate_reg_info if necessary.
2618 PR rtl-optimization/21848
2619 * calls.c (emit_library_call_value_1): For const functions, add
2620 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2622 PR rtl-optimization/22445
2623 * cselib.c (target.h): Include.
2624 (rtx_equal_for_cselib_p): Allow commutative matches.
2625 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
2626 Remove MODE parameter. Changed all callers.
2628 PR rtl-optimization/22258
2629 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
2631 (try_combine): Use likely_spilled_retval_p.
2633 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
2635 * config.gcc: Add crx-elf support.
2637 * doc/contrib.texi: Mention crx.
2638 * doc/extend.texi: Document crx extensions.
2639 * doc/install.texi: Document crx install.
2640 * doc/invoke.texi: Document crx options.
2641 * doc/md.texi: Document crx constraints.
2643 * config/crx/crx-protos.h: New file.
2644 * config/crx/crx.c: New file.
2645 * config/crx/crx.h: New file.
2646 * config/crx/crx.md: New file.
2647 * config/crx/crx.opt: New file.
2648 * config/crx/t-crx: New file.
2650 2005-07-22 Manfred Hollstein <mh@suse.com>
2652 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
2654 (int_add_graph_edge): Likewise.
2655 (collapse_nodes): Likewise.
2656 (process_unification_queue): Likewise.
2658 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2659 Laurent GUERBY <laurent@guerby.net>
2661 PR tree-optimization/22336
2662 * function.c (record_block_change): Check for
2663 cfun->ib_boundaries_block.
2665 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
2667 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
2668 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
2670 2005-07-21 DJ Delorie <dj@redhat.com>
2672 * toplev.c (warn_deprecated_use): Add warning control to warning
2674 * c-typeck.c (parser_build_binary_op): Likewise.
2675 (c_finish_if_stmt): Likewise.
2676 * c-common.c (check_function_sentinel): Likewise.
2677 (check_nonnull_arg): Likewise.
2679 2005-07-21 Richard Henderson <rth@redhat.com>
2682 * tree-complex.c (complex_ssa_name_components): New.
2683 (cvc_lookup): Allow entry not found.
2684 (create_components): Remove.
2685 (create_one_component_var, get_component_var): New.
2686 (get_component_ssa_name, set_component_ssa_name): New.
2687 (extract_component): Use get_component_ssa_name.
2688 (update_complex_components): Use set_component_ssa_name.
2689 (update_complex_components_on_edge): Likewise.
2690 (update_phi_components): Create new PHI nodes directly, instead
2691 of adding insns to edges.
2692 (tree_lower_complex): Allocate and free complex_variable_components
2693 and complex_ssa_name_components here.
2695 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
2697 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
2698 revert to returning false.
2700 2005-07-21 Uros Bizjak <uros@kss-loka.si>
2703 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
2705 2005-07-21 Uros Bizjak <uros@kss-loka.si>
2708 * config/i386/i386.md (cmpxf): Change operand constraints
2709 to "nonmemory_operand".
2711 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
2713 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
2715 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
2718 * fold-const.c (fold_build1): Add checksum for the operands.
2719 (fold_build2): Likewise.
2720 (fold_build3): Likewise.
2722 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
2725 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
2727 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
2729 * common.opt (-fforward-propagate): Committed by mistake,
2732 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2734 * reg-stack.c: Fix comment typo(s).
2735 * tree-ssa-operands.c: Likewise.
2736 * tree-vectorizer: Likewise.
2738 2005-07-21 Nick Clifton <nickc@redhat.com>
2740 * config/sh/symbian.c: Replace C++ style line comments with C
2741 style line comments.
2742 (symbian_add_attribute): Do not use a ? operator on the LHS of
2744 (sh_symbian_handle_dll_attribute): Change the type of the
2745 method vector to "VEC(tree,gc)*" and use vector accessor
2746 macros to walk over the elements.
2747 (symbian_export_vtable_and_rtti_p): Likewise.
2748 (symbian_class_needs_attribute_p): Likewise.
2750 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
2753 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
2754 initialize targetm.resolve_overloaded_builtin here.
2755 (altivec_expand_overloaded_builtin): Make it non-static.
2756 * config/rs6000/rs6000-protos.h
2757 (altivec_expand_overloaded_builtin): New prototype.
2758 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
2759 targetm.resolve_overloaded_builtin here.
2760 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
2762 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
2763 Zdenek Dvorak <dvorakz@suse.cz>
2765 PR tree-optimization/19210
2766 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
2768 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
2769 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
2770 rely on unproven assumptions.
2771 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
2772 * tree-flow.h (number_of_iterations_exit): Add final parameter.
2773 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
2774 to number_of_iterations_exit.
2775 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
2776 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
2777 * tree-ssa-loop-niter.c (find_loop_niter,
2778 estimate_numbers_of_iterations_loop): Likewise.
2779 (number_of_iterations_exit): Honor the new options.
2780 * doc/invoke.texi (Wunsafe-loop-optimizations,
2781 funsafe-loop-optimizations): Document them.
2783 2005-07-21 Richard Sandiford <richard@codesourcery.com>
2785 PR rtl-optimization/22167
2786 * gcse.c (hoist_code): Fix hoist_exprs[] check.
2788 2005-07-20 Adam Nemet <anemet@lnxw.com>
2790 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
2791 __do_global_dtors_aux longcall.
2793 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
2795 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
2796 (old_special_pred_table): Don't reference
2797 SPECIAL_MODE_PREDICATES.
2798 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
2799 * config/arc/arc.h: Don't mention PREDICATE_CODES.
2800 * config/sh/predicates.h: Don't mention
2801 SPECIAL_MODE_PREDICATES.
2802 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2805 2005-07-20 DJ Delorie <dj@redhat.com>
2807 * config.gcc: Add m32c-elf support.
2809 * doc/contrib.texi: Mention m32c.
2810 * doc/extend.texi: Document m32c extensions.
2811 * doc/install.texi: Mention m32c.
2812 * doc/invoke.texi: Document m32c options.
2813 * doc/md.texi: Document m32c constraints.
2815 * config/m32c/addsub.md: New file.
2816 * config/m32c/bitops.md: New file.
2817 * config/m32c/cond.md: New file.
2818 * config/m32c/jump.md: New file.
2819 * config/m32c/m32c-lib1.S: New file.
2820 * config/m32c/m32c-lib2.c: New file.
2821 * config/m32c/m32c-modes.def: New file.
2822 * config/m32c/m32c-pragma.c: New file.
2823 * config/m32c/m32c-protos.h: New file.
2824 * config/m32c/m32c.abi: New file.
2825 * config/m32c/m32c.c: New file.
2826 * config/m32c/m32c.h: New file.
2827 * config/m32c/m32c.md: New file.
2828 * config/m32c/m32c.opt: New file.
2829 * config/m32c/minmax.md: New file.
2830 * config/m32c/mov.md: New file.
2831 * config/m32c/muldiv.md: New file.
2832 * config/m32c/predicates.md: New file.
2833 * config/m32c/prologue.md: New file.
2834 * config/m32c/shift.md: New file.
2835 * config/m32c/t-m32c: New file.
2837 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
2839 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2840 (stack_protect_set, stack_protect_test): New expanders.
2841 (stack_protect_set_si, stack_protect_set_si_media,
2842 stack_protect_set_di_media, stack_protect_test_si,
2843 stack_protect_test_si_media, stack_protect_test_di_media):
2846 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
2848 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
2850 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
2852 * tree.h (tree_expr_nonzero_p): Export.
2853 * fold-const.c (tree_expr_nonzero_p): Likewise.
2854 Return true for CALL_EXPRs that are alloca calls.
2855 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
2857 * tree-flow.h (expr_computes_nonzero): Remove.
2858 * tree-vrp.c (expr_computes_nonzero): Remove.
2859 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
2860 (extract_range_from_unary_expr): Likewise.
2861 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
2862 tree_expr_nonzero_p.
2864 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
2866 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
2867 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
2868 extra arg "picreg" and use it instead of pic_offset_table_rtx.
2869 All callers changed.
2870 (frame_related_constant_load): New arg "related" which controls
2871 setting of RTX_FRAME_RELATED_P. All callers changed.
2872 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
2873 (bfin_expand_prologue): Add stack limit checking.
2874 * config/bfin/bfin.md (trapifcc): New pattern.
2876 * config/bfin/bfin.c: Include "langhooks.h".
2877 (def_builtin): Go through lang_hooks to call builtin_function.
2879 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
2880 * config/bfin/predicates.md (symbol_ref_operand): New.
2881 (call_insn_operand): Delete. All callers changed to use
2882 register_no_elim_operand.
2883 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
2885 (function_arg): Use it to generate the call's operand 2.
2886 (bfin_longcall_p): New function.
2887 (bfin_expand_call): Extra arg "cookie". All callers and declaration
2888 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
2889 determine if the address needs to be in a REG.
2890 (bfin_handle_longcall_attribute): New function.
2891 (bfin_attribute_table): Add "longcall" and "shortcall".
2892 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
2893 (CUMULATIVE_ARGS): New member call_cookie.
2894 (PREDICATE_CODES): Add symbol_ref_operand.
2895 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
2896 extra USE to the pattern.
2897 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
2898 New patterns, split off call_insn, sibcall_insn, call_value_insn and
2899 sibcall_value_insn; now the new patterns handle direct calls and the
2900 old ones indirect calls.
2901 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
2903 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
2905 * doc/trouble.texi: Update section on handling of empty loops.
2907 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
2909 * config.gcc: Remove support for sparc-*-openbsd*,
2910 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
2912 * config.host: Remove support for i860-*-sysv4* as a host.
2913 * config/i860/*, config/ip2k/*, config/ns32k/*,
2914 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
2915 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
2916 mention obsolete ports.
2918 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
2920 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
2922 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
2923 of frame_pointer_rtx.
2924 (sh_expand_epilogue): Likewise.
2925 (sh_set_return_address): Likewise.
2926 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
2927 instead of FRAME_POINTER_REGNUM if needed. Add elimination
2928 offsets from FRAME_POINTER_REGNUM.
2929 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
2930 (sh_register_names): Add initializer for sfp.
2931 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
2932 (VALID_REGISTER_P): Likewise.
2933 (FIRST_PSEUDO_REGISTER): Update.
2934 (DWARF_FRAME_REGISTERS): Define.
2935 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
2936 (HARD_FRAME_POINTER_REGNUM): Define.
2937 (FRAME_POINTER_REGNUM): Redefine.
2938 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
2939 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
2940 from FRAME_POINTER_REGNUM.
2941 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
2942 FRAME_POINTER_REGNUM.
2943 (REG_CLASS_CONTENTS): Add sfp.
2944 (REG_ALLOC_ORDER): Likewise.
2945 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
2946 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
2947 of frame_pointer_rtx.
2948 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2950 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
2952 * fold-const.c (tree_expr_nonnegative_p): Only return true for
2953 ABS_EXPR when flag_wrapv is false because of INT_MIN.
2954 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
2956 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
2959 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
2961 Make CONSTRUCTOR use VEC to store initializers.
2962 * c-common.c (complete_array_type): Update to cope with VEC in
2964 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
2965 (pp_c_constructor_elts): New function.
2966 * c-pretty-print.h (pp_c_constructor_elts): Declare.
2967 * c-typeck.c (build_function_call, build_c_cast, digest_init,
2968 struct constructor_stack, struct initializer_stack,
2969 constructor_elements, push_init_level, pop_init_level,
2970 add_pending_init, find_init_member, output_init_element): Update to
2971 cope with VEC in CONSTRUCTOR_ELTS.
2972 * coverage.c (build_fn_info_value, build_ctr_info_value,
2973 build_gcov_info): Likewise.
2974 * expr.c (categorize_ctor_elements_1, store_constructor,
2975 expand_expr_real_1): Likewise.
2976 * fold-const.c (fold_ternary): Likewise.
2977 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
2978 gimplify_init_constructor, gimplify_expr): Likewise.
2979 * tree-dump.c (dequeue_and_dump): Likewise.
2980 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
2982 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
2984 * tree-sra.c (generate_element_init_1): Likewise.
2985 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
2986 * tree-ssa-operands.c (get_expr_operands): Likewise.
2987 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
2988 * tree-vect-transform.c (vect_get_vec_def_for_operand):
2989 (get_initial_def_for_reduction): Likewise.
2990 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
2991 value handle in annotations.
2992 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
2993 tree_node_structure): Add support for constr_kind.
2994 (build_vector_from_ctor, build_constructor_single,
2995 build_constructor_from_list): New functions.
2996 (build_constructor): Update to take a VEC instead of a TREE_LIST.
2997 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
2998 Update to cope with VEC in CONSTRUCTOR_ELTS.
2999 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
3000 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
3001 CONSTRUCTOR_APPEND_ELT): New macros.
3002 (struct constructor_elt, struct tree_constructor): New data types.
3003 (union tree_node): Add tree_constructor field.
3004 * treestruct.def: Define TS_CONSTRUCTOR.
3005 * varasm.c (const_hash_1, compare_constant, copy_constant,
3006 compute_reloc_for_constant, output_addressed_constants,
3007 initializer_constant_valid_p, output_constant,
3008 array_size_for_constructor, output_constructor): Update to cope with
3009 VEC in CONSTRUCTOR_ELTS.
3010 * vec.h (VEC_empty, VEC_copy): New macros.
3012 2005-07-19 Devang Patel <dpatel@apple.com>
3014 * dbxout.c (dbxout_type): Check Objective-C++ lang.
3016 2005-07-19 Richard Henderson <rth@redhat.com>
3019 * gimplify.c (gimplify_expr): Use main variant type for the temp
3020 destination for a discarded volatile read.
3021 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
3022 casts between non-void types that change volatility.
3024 2005-07-15 DJ Delorie <dj@redhat.com>
3026 * toplev.h: Add comment about the first parameter for warning().
3027 * errors.h: Likewise.
3029 * c.opt (Wpragmas): New.
3030 * doc/invoke.texi: Document it.
3032 * function.c (do_warn_unused_parameter): Add warning control to
3034 * c-decl.c (warn_if_shadowing): Likewise.
3035 * c-lex.c (cb_def_pragma): Likewise.
3036 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
3037 (pop_alignment): Likewise.
3038 (handle_pragma_pack): Likewise.
3039 (apply_pragma_weak): Likewise.
3040 (handle_pragma_weak): Likewise.
3041 (handle_pragma_redefine_extname): Likewise.
3042 (add_to_renaming_pragma_list): Likewise.
3043 (handle_pragma_extern_prefix): Likewise.
3044 (maybe_apply_renaming_pragma): Likewise.
3045 (handle_pragma_visibility): Likewise.
3047 * config/c4x/c4x-c.c (BAD): Likewise.
3048 (c4x_parse_pragma): Likewise.
3049 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
3050 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
3051 (rs6000_pragma_longcall): Likewise.
3052 * config/v850/v850-c.c (pop_data_area): Likewise.
3053 (ghs_pragma_section): Likewise.
3054 (ghs_pragma_section): Likewise.
3055 (ghs_pragma_interrupt): Likewise.
3056 (ghs_pragma_starttda): Likewise.
3057 (ghs_pragma_startsda): Likewise.
3058 (ghs_pragma_startzda): Likewise.
3059 (ghs_pragma_endtda): Likewise.
3060 (ghs_pragma_endsda): Likewise.
3061 (ghs_pragma_endzda): Likewise.
3063 2005-07-19 Danny Berlin <dberlin@dberlin.org>
3064 Kenneth Zadeck <zadeck@naturalbridge.com>
3066 * Makefile.in: Removed tree-promote-statics.c
3067 * tree-promote-statics.c: Removed.
3068 * common.opt: Removed flag-promote-statics.
3070 * passes.c: Removed tree-promote-statics pass.
3071 * tree-pass.h: Ditto.
3072 * timevar.def: Removed TV_PROMOTE_STATICS.
3075 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
3077 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
3079 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
3081 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3084 * c-common.c (check_function_arguments): Call
3085 'check_function_format' if either -Wformat or
3086 -Wmissing-format-attribute are specified.
3087 * c-format.c (check_function_format): Check -Wformat before
3088 calling 'check_format_info'.
3089 * c-opts.c (c_common_post_options): Don't warn for
3090 -Wmissing-format-attribute without -Wformat.
3091 * c-typeck.c (convert_for_assignment): Detect additional cases for
3092 -Wmissing-format-attribute.
3093 * doc/invoke.texi (-Wmissing-format-attribute): Document new
3096 2005-07-19 Richard Guenther <rguenther@suse.de>
3098 * config/i386/i386.md (lrint<mode>2): Use temporary
3099 instead of clobbering non-existent memory.
3101 2005-07-19 Nick Clifton <nickc@redhat.com>
3103 * config/avr/avr.c (legitimate_address_p): Fix debugging print
3104 statement to avoid displaying ASCII control characters.
3106 2005-07-19 Ben Elliston <bje@au.ibm.com>
3108 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
3109 * cfganal.c (find_edge_index): Ditto.
3110 * combine.c (combine_instructions): Ditto.
3111 * ddg.c (create_scc): Ditto.
3112 (find_successors): Ditto.
3113 (find_predecessors): Ditto.
3114 (find_nodes_on_paths): Ditto.
3115 (longest_simple_path): Ditto.
3116 * flow.c (update_life_info): Ditto.
3117 (count_or_remove_death_notes): Ditto.
3118 (clear_log_links): Ditto.
3119 * modulo-sched.c (generate_reg_moves): Ditto.
3120 (find_max_asap): Ditto.
3121 (find_max_hv_min_mob): Ditto.
3122 (find_max_dv_min_mob): Ditto.
3123 * sbitmap.c (sbitmap_first_set_bit): Ditto.
3124 * sched-rgn.c (extract_edgelst): Ditto.
3125 * tree-into-ssa.c (prepare_names_to_update): Ditto.
3126 (dump_update_ssa): Ditto.
3127 (ssa_names_to_replace) Ditto.
3128 (switch_virtuals_to_full_rewrite): Ditto.
3129 (update_ssa): Ditto.
3130 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3132 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
3134 Fix PR tree-optimization/22483
3136 * tree-complex.c (create_components): Use
3137 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3138 * tree-flow-inline.h (fill_referenced_var_vec): New function.
3139 * tree-flow.h (safe_referenced_var_iterator): New structure.
3140 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3141 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3142 safe_referenced_var iterator.
3143 (add_type_alias): Ditto.
3145 2005-07-19 Steven Bosscher <stevenb@suse.de>
3147 * loop-init.c (rest_of_handle_loop2): Remove.
3148 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3149 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3150 (pass_rtl_loop_init, pass_rtl_loop_done,
3151 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3152 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3153 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3154 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3155 pass_tree_loop_done, and pass_tree_unswitch.
3156 (gate_loop): Rename to gate_tree_loop.
3157 * passes.c (init_optimization_passes): Update for renamed tree
3158 loop passes. Add the new loop2 passes as subpasses of loop2.
3159 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3160 Update for the renamed tree loop passes.
3162 2005-07-18 Ian Lance Taylor <ian@airs.com>
3165 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3166 blocks when optimizing.
3168 2005-07-18 Steve Ellcey <sje@cup.hp.com>
3170 * common.opt (frename-registers): Initialize to 2.
3172 (fgcse-after-reload): Ditto.
3173 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
3174 (process_options): Only change flag_web, flag_rename_registers,
3175 and flag_rerun_cse_after_loop if not explicitly set by user.
3177 2005-07-18 Jan Beulich <jbeulich@novell.com>
3179 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
3180 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
3181 in 64-bit mode the same as DImode in 32-bit mode.
3182 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
3183 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
3184 mode. Add new mode parameter.
3185 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
3186 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
3187 x86_64_shift_adj): New expanders.
3188 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
3189 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
3191 Respective new splitters. Use renamed shift splitter helpers in 32-bit
3192 DImode shift splitters.
3193 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
3194 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
3197 2005-07-18 Jan Beulich <jbeulich@novell.com>
3199 * i386.md (movdi_extzv_1): New.
3200 (zero_extendhidi2): Combine alternatives and never force use of
3202 (zero_extendqidi2): Likewise. Don't restrict input selection.
3204 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3206 Fix PR tree-optimization/22531
3207 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
3210 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3212 * tree-promote-statics.c (pass_promote_statics): Change dump file
3215 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3217 * tree-optimize.c (init_tree_optimization_passes): Add
3218 pass_eliminate_useless_stores pass.
3219 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
3220 * tree-ssa-pre.c (is_copy_stmt): New function.
3221 (follow_copies_till_vuse): Ditto.
3222 (do_eustores): Ditto.
3223 (gate_eustores): Ditto.
3225 2005-07-16 Richard Henderson <rth@redhat.com>
3227 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
3229 2005-07-16 Danny Berlin <dberlin@dberlin.org>
3230 Kenneth Zadeck <zadeck@naturalbridge.com>
3232 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
3233 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
3234 ipa-type-escape.h, tree-promote-statics.c
3235 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
3236 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
3237 tree-promote-statics.c: new files.
3238 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
3239 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
3240 int nonlocal_set_p, mark_constant_function): Deleted.
3241 (rest_of_handle_cfg): Removed call to mark_constant_function.
3242 (nonoverlapping_component_refs_p): Added calls to support
3243 type based aliasing.
3244 * tree-ssa-alias.c (may_alias_p,
3245 compute_flow_insensitive_aliasing): Ditto.
3246 * calls.c (flags_from_decl_or_type): Removed reference to
3248 * c-typeck.c (convert_arguments): Make builtins tolerant of having
3249 too many arguments. This is necessary for Spec 2000.
3250 * cgraph.h (const_function, pure_function): Removed.
3251 * common.opt: Added "fipa-pure-const", "fipa-reference",
3252 "fipa-type-escape", and "ftree-promote-static".
3254 * passes.c: Added ipa and tree-promote-statics passes.
3255 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
3256 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
3257 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
3258 * tree-flow.h: Added exposed sra calls and addition of
3259 reference_vars_info field for FUNCTION_DECLS.
3260 * tree-pass.h: Added passes.
3261 * tree-sra.c: (sra_init_cache): New function.
3262 (sra_insert_before, sra_insert_after) Made public.
3263 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
3265 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
3266 aliasing. (may_alias_p): Added code to use type escape analysis to
3268 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
3269 code to prune clobbers of static variables based on information
3270 produced in ipa-reference pass. Changed call clobbering so that
3271 statics are not marked as clobbered if the call does not clobber
3274 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
3276 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
3279 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3281 * doc/install.texi (*-*-solaris2*): Document recommended version
3282 of GNU binutils and mention GNU linker problem on Solaris 10.
3284 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
3287 * c-decl.c (c_build_bitfield_integer_type): New function.
3288 (finish_struct): Call it.
3289 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
3291 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3293 * c-typeck.c (digest_init): Call 'convert_for_assignment'
3296 2005-07-16 Jan Hubicka <jh@suse.cz>
3298 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
3299 (scale_bbs_frequencies_int): Watch roundoff errors.
3300 * predict.c (return_prediction): Initialize return_stmt.
3302 2005-07-16 Jan Hubicka <jh@suse.cz>
3304 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
3305 after RTL profiling.
3307 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
3310 * fold-const.c (build_range_check): Convert high/low to etype
3311 if we are only comparing against exp.
3313 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
3315 Fix PR tree-optimization/22376
3316 * tree-ssa-structalias.c (build_constraint_graph): We really meant
3318 (need_to_solve): New function.
3319 (compute_points_to_sets): Use it.
3321 2005-07-15 Jan Hubicka <jh@suse.cz>
3323 * cfg.c (update_bb_profile_for_threading): More diagnostic.
3324 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
3326 2005-07-15 Richard Guenther <rguenther@suse.de>
3328 * c-common.c (handle_flatten_attribute): New function.
3329 Add flatten function attribute.
3330 * doc/extend.texi: Document flatten function attribute.
3331 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
3332 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
3334 (cgraph_decide_inlining): Handle functions with flatten
3337 2005-07-14 David Edelsohn <edelsohn@gnu.org>
3339 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
3340 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
3341 UNSPEC_XCHG, UNSPEC_AND): New.
3342 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
3343 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
3344 * config/rs6000/sync.md (FETCHOP): New code macro.
3345 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
3347 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
3348 (sync_compare_and_swap<mode>): Same.
3349 (sync_lock_test_and_set<mode>): Same.
3350 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
3351 for QImode and HImode, and not PPC405.
3352 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
3353 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
3354 (sync_<fetchop>{si,di}_internal): New.
3355 (sync_nand{si,di}_internal): New.
3356 (sync_old_<fetchop>{si,di}_internal): New.
3357 (sync_old_nand{si,di}_internal): New
3358 (sync_new_<fetchop>{si,di}_internal): New.
3359 (sync_new_nand{si,di}_internal): New.
3360 (atomic_and{si,di}): New.
3361 (sync_new_nand{si,di}_internal): New.
3362 (atomic_and{si,di}): New.
3363 (sync_add<mode>_internal): Delete.
3364 (sync_addshort_internal): Use unspec instead of unspec_volatile.
3365 (sync_sub<mode>_internal): Delte.
3366 (sync_subshort_internal): New.
3367 (sync_andsi_internal): Use unspec instead of unspec_volatile.
3368 (sync_anddi_internal): Delete.
3369 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
3370 (sync_booldi_internal): Delete.
3371 (sync_boolc<mode>_internal): Delete.
3372 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
3373 (sync_boolc<mode>_internal2): Delete.
3374 (sync_boolcc<mode>_internal): Delete.
3375 (isync, lwsync): Use unspec instead of unspec_volatile.
3376 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
3377 Revert UNSPEC_VOLATILE.
3378 (rs6000_split_atomic_op): New.
3379 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3381 2005-07-14 Eric Christopher <echristo@redhat.com>
3383 * config/mips/mips.c (mips_canonicalize_comparison): Cast
3384 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3386 2005-07-14 Eric Christopher <echristo@redhat.com>
3388 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3390 2005-07-14 Steven Bosscher <stevenb@suse.de>
3392 PR tree-optimization/22230
3393 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3394 the computation of the four cross productions for "range op range".
3396 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
3397 Ulrich Weigand <uweigand@de.ibm.com>
3400 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3403 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3405 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3407 2005-07-14 Steve Ellcey <sje@cup.hp.com>
3409 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3411 2005-07-14 Richard Guenther <rguenther@suse.de>
3414 * config/i386/i386-protos.h (ix86_function_value): Change
3415 prototype to match new target hook.
3416 * config/i386/i386.c (ix86_value_regno): Change prototype
3417 to take extra type argument.
3418 (TARGET_FUNCTION_VALUE): Define.
3419 (ix86_function_ok_for_sibcall): Pass extra argument to
3420 ix86_value_regno, check return slot rtx for exact match.
3421 (ix86_function_value): Take extra parameter. Dispatch to
3422 ix86_value_regno with fndecl/fntype as provided.
3423 (ix86_value_regno): Handle extra type argument.
3424 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3426 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3427 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3428 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3429 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3430 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3432 2005-07-14 Richard Guenther <rguenther@suse.de>
3434 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3435 * calls.c (expand_call): Pass fntype to hard_function_value.
3436 (emit_library_call_value_1): Likewise.
3437 * explow.c: Include target.h.
3438 (hard_function_value): Take extra argument, the fntype.
3439 Use new target hook for function_value.
3440 * expr.h (hard_function_value): Change prototype.
3441 * function.c (aggregate_value_p): Pass 0 as fntype to
3442 hard_function_value.
3443 (assign_parms): Use new target hook for function_value.
3444 Pass 0 as fntype to hard_function_value.
3445 (expand_function_end): Likewise.
3446 * reg-stack.c: Include target.h.
3447 (stack_result): Use new target hook for function_value.
3448 * target-def.h: New target hook function_value.
3449 * target.h: Likewise.
3450 * targhooks.c (default_function_value): New function.
3451 * targhooks.h (default_function_value): Declare.
3453 2005-07-13 Ian Lance Taylor <ian@airs.com>
3455 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3457 2005-07-14 Jan Hubicka <jh@suse.cz>
3459 * tree-dfa.c (dump_variable): Use default_def function.
3460 * tree-ssa-alias.c (dump_points_to_info): Likewise.
3461 * tree-ssa.c (verify_use): Likewise.
3462 * tree-ssanames.c (release_ssa_name): Likewise.
3463 * tree-tailcall.c (eliminate_tail_call): Likewise.
3464 (tree_optimize_tail_calls_1): Likewise.
3465 * tree-vrp.c (get_value_range): Likewise.
3467 2005-07-14 Ben Elliston <bje@au.ibm.com>
3469 * gcc.c (main): Compare language[0] with '*' when iterating over
3472 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
3474 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3475 "s390_emit_compare". Add handling of CCZ1mode.
3476 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3477 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3479 (s390_branch_condition_mask): Add CCZ1mode handling.
3480 * config/s390/s390.md: ("seq", "*seq"): New pattern.
3481 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3482 Use CCZ1mode instead of CCZmode.
3483 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
3485 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
3487 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3489 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3491 2005-07-13 Eric Christopher <echristo@redhat.com>
3493 * config/mips/mips.c (mips_canonicalize_comparison): New.
3494 (mips_emit_int_relational): Use.
3496 2005-07-13 Eric Christopher <echristo@redhat.com>
3498 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3500 * config/s390/s390.md: Include tpf.md. Move tpf specific
3502 * config/s390/tpf.md: To here.
3503 * config/s390/s390.opt: Move tpf specific options...
3504 * config/s390/tpf.opt: to here. Add mmain option.
3505 * config/s390/tpf-unwind.h: Remove unnecessary defines.
3506 * config/s390/tpf.h: Rewrite.
3508 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
3510 * doc/tm.texi: Remove @xref{Cross-profiling}.
3512 2005-07-13 Jeff Law <law@redhat.com>
3514 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3515 expressions, test their _DECL operands for pointer equality rather
3516 than using operand_equal_p.
3518 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
3520 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3521 (TARGET_POSIX_IO): This.
3522 * config/darwin.h: Likewise.
3523 * config/freebsd.h: Likewise.
3524 * config/linux.h: Likewise.
3525 * config/lynx.h: Likewise.
3526 * config/netbsd.h: Likewise.
3527 * config/rs6000/linux64.h: Likewise.
3528 * config/rs6000/linux.h: Likewise.
3529 * config/s390/tpf.h: Likewise.
3530 * config/sh/embed-elf.h: Likewise.
3531 * config/sparc/linux64.h: Likewise.
3532 * config/sparc/linux.h: Likewise.
3533 * config/svr4.h: Likewise.
3534 * gcov-io.h: Likewise.
3536 * doc/tm.texi: Updated.
3538 * libgcov.c (create_file_directory): Defined only if
3539 TARGET_POSIX_IO is defined.
3540 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3543 2005-07-13 Jan Hubicka <jh@suse.cz>
3545 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3547 2005-07-13 David Edelsohn <edelsohn@gnu.org>
3549 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3550 structure as argument.
3552 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
3554 PR tree-optimization/21921
3555 * tree-iterator.c (tsi_link_before): Support the case when
3556 tsi_end_p (tsi) == true.
3558 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3560 PR tree-optimization/22442
3561 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3564 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3566 PR rtl-optimization/20376
3567 * toplev.c (process_options): Enable -fweb and -frename-registers when
3569 * doc/invoke.texi: Update the information about when -fweb and
3570 -frename-registers are enabled.
3572 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3575 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3576 if *rhs_p is not a SSA_NAME.
3578 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
3580 Fix PR tree-optimization/22422
3581 * tree-ssa-structalias.c (struct variable_info): Add flag for
3583 (get_varinfo): Now a static function.
3584 (new_varinfo): init has_union and is_special_var to false.
3585 (solution_set_add): Check has_union.
3586 (do_da_constraint): Move temporary variable so it gets reset
3588 Also check for special variable.
3589 (do_ds_constraint): Ditto.
3590 (do_sd_constraint): Ditto.
3591 (do_structure_copy): Check for special variable.
3592 (find_func_aliases): Ditto.
3593 (init_base_vars): Set special vars properly.
3595 2005-07-13 Jan Hubicka <jh@suse.cz>
3597 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3600 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3601 (get_expr_operands): Fix thinko wrt flags and subvars.
3603 PR tree-optimize/22379
3604 * tree-inline.c (expand_call_inline): Do not output sorry in early
3607 2005-07-12 Dale Johannesen <dalej@apple.com>
3609 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
3611 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3614 * host-linux.h: Include limits.h.
3616 2005-07-12 Dale Johannesen <dalej@apple.com>
3618 * expr.c (compress_float_constant): Add cost check.
3619 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
3621 2005-07-12 Dale Johannesen <dalej@apple.com>
3623 * gcc.target/i386/compress-float-sse.c: New.
3624 * gcc.target/i386/compress-float-sse-pic.c: New.
3625 * gcc.target/i386/compress-float-387.c: New.
3626 * gcc.target/i386/compress-float-387-pic.c: New.
3627 * gcc.dg/compress-float-ppc.c: New.
3628 * gcc.dg/compress-float-ppc-pic.c: New.
3630 2005-07-12 Eric Christopher <echristo@redhat.com>
3632 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3634 * config/s390/s390.md: Include tpf.md. Move tpf specific
3636 * config/s390/tpf.md: To here.
3637 * config/s390/s390.opt: Move tpf specific options...
3638 * config/s390/tpf.opt: to here. Add mmain option.
3639 * config/s390/tpf-unwind.h: Remove unnecessary defines.
3640 * config/s390/tpf.h: Rewrite.
3642 2005-07-12 Eric Christopher <echristo@redhat.com>
3644 * gcc.c (struct infile): Update comment for language.
3645 (main): Rewrite input file resetting code.
3647 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3650 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
3651 requiring a cast in a non RHS of modify_expr. Add a cast when required.
3652 (lookup_avail_expr): Use constant_boolean_node instead
3653 of boolean_false_node/boolean_true_node.
3655 2005-07-12 Ben Elliston <bje@au.ibm.com>
3657 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
3658 and use it when printing num_edges.
3660 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
3662 * doc/extend.texi (Blackfin Built-in Functions): New section.
3663 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
3666 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
3668 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
3669 s/cmpstrsi/cmpstrnsi
3670 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
3672 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
3673 (init_optabs): Initialize cmpstrn_optab.
3674 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
3675 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
3676 * expr.c: (enum insn_code cmpstrn_optab): Declare.
3677 * config/i386/i386.md: s/cmpstr/cmpstrn
3678 * config/c4x/c4x.md: s/cmpstr/cmpstrn
3679 * doc/md.texi: Update documentation.
3681 2005-07-11 Richard Henderson <rth@redhat.com>
3683 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
3684 build_va_arg_indirect_ref.
3685 (alpha_gimplify_va_arg): Likewise.
3686 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3687 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3688 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
3689 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3690 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3691 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
3693 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3695 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3697 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
3698 * passes.c (init_optimization_passes): Add pass_empty_loop.
3699 * tree-pass.h (pass_empty_loop): Declare.
3700 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
3701 try_remove_empty_loop, remove_empty_loops): New functions.
3702 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
3703 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
3705 2005-07-12 Peter Barada <peter@the-baradas.com>
3709 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
3710 in address registers.
3711 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
3712 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
3713 alternative of addsi3_5200.
3715 2005-07-11 Ian Lance Taylor <ian@airs.com>
3717 * config/mips/mips.md (ffs<mode>2): Remove.
3719 2005-07-11 Ian Lance Taylor <ian@airs.com>
3721 * doc/tree-ssa.texi (Cleanups): Improve description of
3723 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
3725 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
3727 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
3728 * tree.h (DECL_ARGUMENT_FLD): New macro.
3730 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
3732 Fix PR tree-optimization/22404
3734 * tree-ssa-structalias.c (create_variable_info_for): Use
3737 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
3739 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
3740 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
3741 for second comparison operand.
3742 * config/bfin/predicates.md (reg_or_const_int_operand): New.
3744 * config/bfin/bfin.md (define_attr "type"): Add "sync".
3745 (define_insn_reservation "alu"): Likewise.
3746 (csync, ssync): Now of type sync.
3747 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
3748 -mcsync-anomaly -mspecld-anomaly.
3749 * config/bfin/bfin.opt (mcsync): Remove.
3750 (mcsync-anomaly, mspecld-anomaly): Add.
3751 * config/bfin/bfin.c: Include "insn-codes.h".
3752 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
3753 (TARGET_DEFAULT_TARGET_FLAGS): New.
3754 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
3756 2005-07-11 Steven Bosscher <stevenb@suse.de>
3758 * basic-block.h: Give the BB flags enum a name, bb_flags.
3759 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
3760 * cfgcleanup.c (enum bb_flags): Remove here.
3761 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
3762 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
3763 (update_forwarder_flag): Likewise.
3764 (thread_jump): Likewise.
3765 (try_forward_edges): Likewise.
3766 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
3767 forwarder flags. Don't clear bb->aux for all basic blocks. Only
3768 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
3770 2005-07-11 Richard Guenther <rguenther@suse.de>
3772 * config/i386/i386.opt: New target option -msseregparm.
3773 * config/i386/i386.c (override_options): Error out for
3774 -msseregparm but no SSE support.
3775 (ix86_function_sseregparm): Check for global sseregparm.
3776 * doc/invoke.texi: Document -msseregparm.
3778 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3780 * config.gcc (m32r-*-linux*): Use the default extra_parts.
3781 (m32rle-*-linux*): Ditto.
3783 2005-07-11 Jakub Jelinek <jakub@redhat.com>
3785 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
3786 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
3789 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3793 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
3794 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
3796 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
3798 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
3799 (varmap): Heapify varmap.
3800 (constraints): Heapify constraints.
3801 (struct constraint_graph): Heapify succs and preds.
3802 (constraint_vec_find): Update for heapification.
3803 (constraint_set_union): Ditto.
3804 (insert_into_complex): Ditto.
3805 (constraint_edge_vec_find): Ditto.
3806 (erase_graph_self_edge): Ditto.
3807 (add_graph_edge): Ditto.
3808 (get_graph_weights): Ditto.
3809 (merge_graph_nodes): Ditto.
3810 (build_constraint_graph): Ditto.
3811 (topo_visit): Ditto.
3812 (solve_graph): Ditto.
3813 (create_variable_info_for): Ditto.
3814 (init_base_vars): Ditto.
3815 (delete_points_to_sets): Free graph, varmap, and complex constraints.
3816 (condese_varmap_nodes): Free complex vector.
3817 (clear_edges_for_node): Clear succs and preds vector.
3819 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
3821 * tree-ssa-structalias.c (update_alias_info): Change counting of
3822 references to not include vdefs.
3824 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
3826 * tree-ssa-alias.c (free_used_part_map): Add missing free.
3829 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3831 * pa.c (pa_commutative_p): Make PLUS commutative when
3832 TARGET_NO_SPACE_REGS is true.
3834 2005-07-09 Diego Novillo <dnovillo@redhat.com>
3836 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
3837 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
3838 * tree-dfa.c (dump_subvars_for): New.
3839 (debug_subvars_for): New.
3840 (dump_variable): Show subvariables if VAR has them.
3841 * tree-flow-inline.h (get_subvar_at): New.
3842 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
3843 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
3845 (struct subvar): Change fields offset and size to unsigned
3847 (dump_subvars_for): Declare.
3848 (debug_subvars_for): Declare.
3849 (get_subvar_at): Declare.
3850 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
3851 to unsigned HOST_WIDE_INT *.
3852 (overlap_subvar): Likewise.
3853 * tree-gimple.c (is_gimple_reg): Always return false for
3854 SFTs and memory tags.
3855 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
3857 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
3858 (compute_may_aliases): Call compute_points_to_sets.
3859 (collect_points_to_info_for): Remove.
3860 (compute_points_to_and_addr_escape): Remove.
3861 (delete_alias_info): Call delete_points_to_sets.
3862 (compute_flow_sensitive_aliasing): If the call to
3863 find_what_p_points_to returns false, call set_pt_anything.
3864 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
3865 (set_pt_anything): Clear pi->pt_vars.
3866 (set_pt_malloc): Remove.
3867 (merge_pointed_to_info): Remove.
3868 (add_pointed_to_expr): Remove.
3869 (add_pointed_to_var): Remove.
3870 (collect_points_to_info_r): Remove.
3871 (is_escape_site): Make extern.
3873 (create_overlap_variables_for): Call it.
3874 * tree-ssa-copy.c (merge_alias_info): Never merge
3875 flow-sensitive alias information.
3876 * tree-ssa-operands.c (get_expr_operands): Adjust variables
3877 offset and size to be unsigned HOST_WIDE_INT.
3878 (add_to_addressable_set): Rename from note_addressable.
3879 Set TREE_ADDRESSABLE as the variables are added to the set.
3881 (add_stmt_operand): Do not try to micro-optimize unmodifiable
3882 operands into VUSEs when adding V_MAY_DEFs for members in an
3884 * tree-ssa-operands.h (add_to_addressable_set): Declare.
3885 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
3886 (struct variable_info): Add bitfield is_heap_var.
3887 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
3888 (new_var_info): Initialize is_heap_var.
3889 (get_constraint_for): Add HEAP variables to the symbol table.
3890 Mark them with is_heap_var.
3891 (update_alias_info): New. Taken mostly from the old
3892 compute_points_to_and_addr_escape.
3893 (handle_ptr_arith): New.
3894 (find_func_aliases): Call update_alias_info.
3895 Call handle_ptr_info for tcc_binary expressions.
3896 Call mark_stmt_modified.
3897 (create_variable_info_for): If DECL has subvars, do not create
3898 variables for its subvars. Always add all the fields.
3899 (set_uids_in_ptset): If the solution includes ANYOFFSET and
3900 SFTs, then add all the SFTs of the structure.
3901 If VI->DECL is an aggregate with subvariables, add the SFT at
3903 (find_what_p_points_to): If VI is an artificial variable,
3904 translate to bitfields in SSA_NAME_PTR_INFO.
3905 If the solution is empty, set pi->pt_vars to NULL
3906 (init_base_vars): Create ANYOFFSET.
3907 (compute_points_to_sets): Rename from create_alias_vars.
3909 (pass_build_pta): Remove.
3910 (delete_points_to_sets): Rename from delete_alias_vars.
3911 (pass_del_pta): Remove.
3912 * tree-ssa-structalias.h (struct alias_info): Move from
3914 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
3915 NUM_REFERENCES_SET): Likewise.
3916 (compute_points_to_sets, delete_points_to_sets): Declare.
3918 2005-07-09 Richard Henderson <rth@redhat.com>
3920 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
3921 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
3922 alpha_split_lock_test_and_set_12): New functions.
3923 * config/alpha/alpha-protos.h: Update.
3924 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
3925 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
3926 * config/alpha/sync.md (I12MODE): New.
3927 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
3928 (sync_<fetchop_name><I48MODE>): Likewise.
3929 (sync_nand<I48MODE>): Likewise.
3930 (sync_old_<fetchop_name><I48MODE>): Likewise.
3931 (sync_new_<fetchop_name><I48MODE>): Likewise.
3932 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3933 (sync_compare_and_swap<I48MODE>): Likewise.
3934 (sync_lock_test_and_set<I48MODE>): Likewise.
3935 (sync_compare_and_swap<I12MODE>): New.
3936 (sync_compare_and_swap<I12MODE>_1): New.
3937 (sync_lock_test_and_set<I12MODE>): New.
3938 (sync_lock_test_and_set<I12MODE>_1): New.
3940 2005-07-09 Diego Novillo <dnovillo@redhat.com>
3944 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
3946 2005-07-09 Jakub Jelinek <jakub@redhat.com>
3948 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
3949 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
3951 2005-07-09 Richard SAndiford <richard@codesourcery.com>
3954 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3956 2005-07-08 David Edelsohn <edelsohn@gnu.org>
3958 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
3959 memory_operand constraint.
3960 (store_conditional_<mode>): Same.
3961 (sync_compare_and_swap<mode>): Same.
3962 (sync_lock_test_and_set<mode>): Same.
3964 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
3966 Rewrite PIC support to more closely model actual instructions.
3967 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
3968 (cris_symbol): Remove prototypes for removed functions.
3969 (cris_pic_symbol_type_of, cris_valid_pic_const)
3970 (cris_expand_pic_call_address): Prototypes for new functions.
3971 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
3973 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
3975 <case ':'>: Add case for new punctuation character.
3976 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
3977 emitting (extra) PIC modifier.
3978 <case UNSPEC>: Do not assert for PLT.
3979 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
3980 (cris_expand_prologue, cris_expand_epilogue): Check
3981 for pic_offset_table_rtx usage instead of taking
3982 current_function_uses_pic_offset_table as the final word.
3983 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
3984 Remove flag_pic difference.
3985 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
3986 the moral equivalents of...
3987 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
3989 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
3990 (cris_handle_option): Mark ARG as unused.
3991 (cris_expand_pic_call_address): New worker function for "call",
3993 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
3994 output PIC constructs here.
3995 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
3996 as symbol-specific modifers, not whole or part of operands.
3997 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
3998 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
3999 constants and flag_pic.
4000 (CONSTANT_INDEX_P): Adjust for new functions.
4001 (enum cris_pic_symbol_type): New helper type.
4002 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
4003 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
4004 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
4006 ("movsi"): Emit actual instructions for GOT and relative access.
4007 ("*movsi_got_load"): New pattern to set up the register holding
4009 ("*movsi_internal"): Operand 1 is not a plain general_operand.
4010 Adjust FIXME for 'S'.
4011 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
4012 Use "movs" for -fpic cases.
4013 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
4014 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
4015 ("call", "call_value"): Just call cris_expand_pic_call_address for
4017 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
4018 Remove special pattern.
4019 ("*expanded_call_side", "*expanded_call_value_side"): New
4021 (gotplt-to-plt, gotplt-to-plt-side-call)
4022 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
4024 * config/cris/cris/predicates.md
4025 ("cris_general_operand_or_gotless_symbol"): Remove unused
4027 ("cris_general_operand_or_symbol"): Adjust for new functions.
4029 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4031 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
4033 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
4035 * Makefile.in (TREE_H): Add treestruct.def.
4036 (c-decl.o): Add pointer-set.h
4037 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
4038 visibility on regular DECL's.
4039 (merge_decls): Fix the copying of decl nodes of various types for
4040 the new structures. Don't update RTL, section name, weak status,
4041 etc, on DECL's without RTL.
4042 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
4043 Don't check volatile on non-variable types.
4044 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
4045 to check whether we have seen arguments.
4046 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
4047 flag is checked before field (flag is common, field is not).
4048 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
4049 TS_DECL_COMMON could have an origin.
4050 (add_location_or_const_value_attribute): Don't check section name
4051 on non-var/function decls.
4052 (dwarf2out_var_location): Reverse order of tests.
4053 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
4054 with DECL_WRTL_CHECK.
4055 * expmed.c (make_tree): rtl is now in decl_with_rtl.
4056 * fold-const.c (fold_binary): Don't check weakness on
4057 non-var/function decls.
4058 (tree_expr_nonzero_p): Ditto.
4059 (fold_checksum_tree): Use tree_decl_extra as sizeof
4061 * ggc-page.c (extra_order_size_table): Add sizes for
4062 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
4064 * gimplify.c (gimplify_bind_expr): Only set
4065 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
4066 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
4068 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
4069 * langhooks.h (init_ts). New langhook.
4070 * passes.c (rest_of_decl_compilation): Reverse order of tests.
4071 * print-tree.c (print_node): Update to only print fields that
4072 exist in the structures the passed decl has.
4073 * toplev.c (wrapup_global_declarations): Don't reset
4074 DECL_DEFER_OUTPUT on DECL's that don't contain it.
4075 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
4076 * tree-inline.c (remap_decl): Ditto.
4077 * tree-outof-ssa.c (create_temp): Reverse order of tests.
4078 * tree-pretty-print.c (print_declaration): Don't print
4079 DECL_REGISTER on things that don't contain it.
4080 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
4081 non-var/function decls.
4082 * tree.c (tree_contains_struct): New structure.
4083 (init_priority_for_decl): New hashtable.
4084 (tree_int_map): New structure.
4085 (tree_int_map_eq): New function.
4086 (tree_int_map_marked_p): Ditto.
4087 (tree_int_map_hash): Ditto.
4088 (tree_map): Move to tree.h.
4089 (tree_map_eq): Externalize.
4090 (tree_map_hash): Ditto.
4091 (tree_map_marked_p): Ditto.
4092 (init_ttree): Set up tree_contains_struct and call langhook.
4093 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
4094 (tree_code_size): Update for new structures.
4095 (tree_node_structure): Update for new structures.
4096 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
4098 (copy_node_stat): Copy init priority.
4099 (build_decl_stat): Ditto for visibility.
4100 (ts_enum_names): New.
4101 (tree_contains_struct_check_failed): New function.
4102 (decl_init_priority_lookup): Ditto.
4103 (decl_init_priority_insert): Ditto.
4104 * treestruct.def: New file.
4105 * tree.h (CODE_CONTAINS_STRUCT): New macro.
4106 (CONTAINS_STRUCT_CHECK): Ditto.
4107 (tree_contains_struct_check_failed): New prototype.
4108 (DECL_CHECK): Removed.
4109 (DECL_MINIMAL_CHECK): New.
4110 (DECL_COMMON_CHECK): Ditto.
4111 (DECL_WRTL_CHECK): Ditto.
4112 (DECL_NON_COMMON_CHECK): Ditto.
4113 (DECL_WITH_VIS_CHECK): Ditto.
4114 (VAR_OR_FUNCTION_DECL_P): Ditto
4115 (struct tree_decl_minimal): New structure.
4116 (struct tree_decl_common): Ditto.
4117 (struct tree_decl_with_rtl): Ditto.
4118 (struct tree_decl_with_vis): Ditto.
4119 (struct tree_decl_non_common): Ditto.
4120 (struct tree_field_decl): Ditto.
4121 (struct tree_parm_decl): Ditto.
4122 (struct tree_var_decl): Ditto.
4123 (struct tree_function_decl): Ditto.
4124 (struct tree_const_decl): Ditto.
4125 (struct tree_result_decl): Ditto.
4126 (union tree_node): Add new structures.
4127 * var-tracking.c (track_expr_p): Reverse order of tests.
4129 * doc/c-tree.texi: Add documentation on DECL node internal structure.
4131 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
4133 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
4134 * system.h: Poison FINALIZE_PIC.
4135 * doc/tm.texi (FINALIZE_PIC): Remove.
4137 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4140 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
4141 to the correct type if we have a MODIFY_EXPR.
4143 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
4145 PR tree-optimization/22360
4146 * tree.c (upper_bound_in_type): Fix calculations for casting
4147 to a non-wider signed type and casting a signed value to a
4148 wider unsigned type.
4149 (lower_bound_in_type): Fix calculations for casting to a
4150 non-wider signed type.
4152 PR tree-optimization/20139
4153 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
4155 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
4156 fold_cond_expr_cond.
4157 * tree-ssanames.c (release_defs): Assert in_ssa_p.
4158 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
4160 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4163 * tree-complex.c (expand_complex_libcall): Produce
4164 REALPART_EXPR/IMAGPART_EXPR with the correct type.
4166 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
4168 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
4169 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
4170 b" assert and inserted fastpath code for this case.
4171 (bitmap_ior): Removed "a != b" assert.
4173 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4175 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
4176 (ENDFILE_SPEC): Likewise.
4177 * config/m32r/m32r.h (ASM_SPEC): Likewise.
4179 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
4180 a large stack frame at epilogue.
4182 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
4184 * final.c: Include sdbout.h when required.
4186 2005-07-07 Geoffrey Keating <geoffk@apple.com>
4188 * config.gcc (*-*-darwin*): Only one target-specific header file
4190 (powerpc-*-darwin*): Add version-specific header files.
4191 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
4192 * config.in: Regenerate.
4193 * configure: Regenerate.
4194 * gcc.c: Include xregex.h.
4195 (version_compare_spec_function): New.
4196 (spec_function): Add version-compare.
4197 (replace_outfile_spec_function): Reformat comment.
4198 (compare_version_strings): New.
4199 * config/darwin-c.c (version_as_macro): New.
4200 (builtin_define): New.
4201 (darwin_cpp_builtins): New.
4202 * config/darwin-protos.h (darwin_cpp_builtins): New.
4203 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
4204 (LIB_SPEC): Make unconditional, update comment.
4205 (TARGET_C99_FUNCTIONS): Define.
4206 * config/darwin.opt: Sort.
4207 (mmacosx-version-min=): New.
4208 * config/darwin7.h: Delete.
4209 * config/darwin8.h: Delete.
4210 * config/i386/darwin.h (): Call darwin_cpp_builtins.
4211 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
4212 (TARGET_C99_FUNCTIONS): Define.
4213 * config/rs6000/darwin7.h: New.
4214 * config/rs6000/darwin8.h: New.
4215 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
4216 (-mmacosx-version-min): Document.
4218 2005-07-07 Ian Lance Taylor <ian@airs.com>
4220 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
4222 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
4225 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
4227 2005-07-07 Khem Raj <kraj@mvista.com>
4229 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
4230 in bytes, not words.
4232 2005-07-07 Paul Brook <paul@codesourcery.com>
4234 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
4235 DEFAULT_FUNCTION_ARG_PADDING to upward.
4237 2005-07-07 Richard Henderson <rth@redhat.com>
4239 * function.c (locate_and_pad_parm): Record parameter alignment in
4240 stack_alignment_needed.
4242 2005-07-07 David Edelsohn <edelsohn@gnu.org>
4244 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
4245 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
4246 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
4247 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
4248 (define_attr "type"): Add isync, sync, load_l, store_c.
4249 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
4250 Create scratch volatile MEM.
4251 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
4253 (load_locked_<mode>): New.
4254 (store_conditional_<mode>): New.
4255 (sync_compare_and_swap<mode>): Replace with splitter.
4256 (sync_lock_test_and_set<mode>): Replace with splitter.
4257 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
4259 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
4260 is ics. Attribute isync.
4261 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
4263 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
4264 and UNSPECV_SYNC_OP.
4265 (emit_unlikely_jump): New.
4266 (emit_load_locked): New.
4267 (emit_store_conditional): New.
4268 (rs6000_split_compare_and_swap): New.
4269 (rs6000_split_lock_test_and_set): New.
4270 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
4271 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
4272 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
4273 rs6000_split_lock_test_and_set): Declare.
4274 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
4275 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
4276 store_c, isync, sync.
4278 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
4280 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
4281 filenames to gtyp-gen.h.
4282 (s-typ-gen): Use it in place of for loops.
4284 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
4286 * hooks.c (hook_bool_rtx_int_false): New function.
4287 * hooks.h (hook_bool_rtx_int_false): Declare.
4288 * target-def.h (TARGET_COMMUTATIVE_P): Define.
4289 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
4290 * target.h (struct gcc_target): Add commutative_p member.
4291 * targhooks.c (hook_bool_rtx_commutative_p): New function.
4292 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
4293 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
4294 (pa_commutative_p): New function.
4295 * jump.c (target.h): Include.
4296 (rtx_renumbered_equal_p): Use targetm.commutative_p.
4297 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
4299 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
4301 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
4302 (s390_expand_setmem): New.
4303 * config/s390/s390.c: Likewise.
4304 (print_shift_count_operand): Truncate to 12 bits instead of 6.
4306 * config/s390/s390.md: ("setmem<mode>"): Accept character as
4307 general_operand. Call new function "s390_expand_setmem".
4308 ("clrmem_long", "*clrmem_long"): Rewrite to ...
4309 ("setmem_long", "*setmem_long"): ... this.
4311 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
4313 * config/s390/s390.c: (optimization_options): Enable
4314 TARGET_MVCLE at -Os.
4315 * doc/invoke.texi: Document changes in default behaviour.
4316 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
4318 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
4320 * expr.c: (set_storage_via_setmem): Convert opchar to mode
4321 defined by back-end.
4323 2005-07-07 Jakub Jelinek <jakub@redhat.com>
4325 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
4326 all sets in the pattern.
4327 * config/rs6000/rs6000.md (stack_protect_testsi,
4328 stack_protect_testdi): Likewise.
4330 2005-07-06 Jeff Law <law@redhat.com>
4332 * tree-vrp.c (simplify_using_ranges): Kill.
4333 (vrp_finalize): Remove call to simplify_using_ranges.
4334 (simplify_stmt_using_ranges): New function extracted from
4335 simplify_using_ranges.
4336 (simplify_div_or_mod_using_ranges): Likewise.
4337 (simplify_abs_using_ranges): Likewise.
4338 (simplify_cond_using_ranges): New function.
4339 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
4340 * tree-ssa-propagate.c (substitute_and_fold): Call
4341 simplify_stmt_using_ranges if we have range information.
4343 2005-07-06 James E. Wilson <wilson@specifixinc.com>
4345 * config/ia64/ia64.c (ia64_reorg): Check optimize before
4346 ia64_flag_schedule_isns2.
4348 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
4349 reading/writing general registers.
4350 (ia64_function_arg): Revert 2005-06-18 change.
4352 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
4354 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
4355 (legitimize_tls_address): Use gcc_unreachable instead of abort.
4357 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
4359 * function.c (expand_function_end): Revert part of 2005-06-27
4360 patch. Do sjlj_emit_function_exit_after after return_label.
4362 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
4364 * doc/install.texi (--disable-libssp): New.
4366 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
4368 * doc/invoke.texi: Update -fforce-mem documentation.
4369 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
4370 code for -fforce-mem.
4371 * expmed.c: (store_bit_field,store_fixed_bit_field,
4372 extract_bit_field): Ditto.
4373 * expr.c: (convert_move): Ditto.
4374 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
4375 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
4376 emit_conditional_add,expand_float,expand_fix): Ditto.
4377 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
4378 (common_handle_option): Issue warning when -fforce-mem specified.
4380 2005-07-06 Paul Brook <paul@codesourcery.com>
4382 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
4384 * configure: Regenerate.
4386 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
4388 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
4390 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
4392 Fix PR tree-optimization/22319
4393 Fix PR tree-optimization/22140
4394 Fix PR tree-optimization/22310
4396 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
4397 variable sized types.
4398 Use correct type for intermediate structure on *a = *b structure
4401 2005-07-06 Jakub Jelinek <jakub@redhat.com>
4403 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
4405 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
4406 (machine_function): Move typedef to...
4407 * config/rs6000/rs6000.c (machine_function): ... here. Add
4408 varargs_save_offset field.
4409 (rs6000_stack_t): Remove varargs_size field.
4410 (setup_incoming_varargs): Allocate varargs save area using
4411 assign_stack_local, try to make it as small as possible.
4412 Save offset from virtual_stack_vars_rtx to the save area
4413 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
4414 instead of magic 8 when fp word byte size is used.
4415 (rs6000_va_start): Use cfun->machine->varargs_save_offset
4416 instead of -RS6000_VARARGS_SIZE.
4417 (rs6000_stack_info, debug_stack_info,
4418 rs6000_initial_elimination_offset): Remove all traces of
4420 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
4421 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
4422 RS6000_VARARGS_AREA.
4424 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4426 PR tree-optimization/21963
4427 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
4428 constant_multiple_of in the same way get_computation_cost_at does.
4430 2005-07-06 Jakub Jelinek <jakub@redhat.com>
4432 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
4433 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
4434 (gen_compare_reg): If sparc_compare_emitted is set, clear it
4435 and return its previous value.
4436 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
4437 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
4439 (stack_protect_set, stack_protect_test): New expanders.
4440 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
4441 stack_protect_testdi): New insns.
4442 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4443 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
4445 2005-07-06 Jeff Law <law@redhat.com>
4447 * tree-ssa-dce.c (cfg_altered): New global.
4448 (tree_dce_init): Initialize cfg_altered.
4449 (remove_dead_stmt): If we remove an edge in the CFG, then set
4451 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
4454 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
4456 * Makefile.in (stamp-collect-ld): Use
4457 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
4458 ./collect-ld if it already exists.
4459 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
4460 Don't remove ./nm if it already exists.
4462 2005-07-05 Devang Patel <dpatel@apple.com>
4464 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
4465 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
4466 * tree-vectorizer.c (vect_loop_location): New.
4467 (vect_print_dump_info): Use vect_loop_location.
4468 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
4469 (vectorize_loops): Set vect_loop_location.
4470 * tree-vect-analyze.c (vect_analyze_offset_expr,
4471 vect_determin_vectorization_factor, vect_analyze_operations,
4472 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
4473 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
4474 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
4475 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
4476 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
4477 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
4478 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
4479 vect_analyze_loop): Adjust vect_print_dump_info API.
4480 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4481 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
4482 vect_finish_stmt_generation, vectorizable_assignment,
4483 vectorizable_operation, vectorizable_store, vectorizable_load,
4484 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
4485 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4486 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
4487 vect_transform_loop): Same.
4488 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
4489 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
4492 2005-07-05 Randolph Chung <tausq@debian.org>
4494 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
4495 * configure: Regenerate.
4496 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
4497 (pa_tls_referenced_p): Declare.
4498 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
4499 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
4500 (legitimize_tls_address): New.
4501 (hppa_legitimize_address): Handle TLS addresses.
4502 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
4503 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4504 (emit_move_sequence): Handle TLS addresses.
4505 (pa_encode_section_info): Call default handler to handle common
4507 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
4508 (CONSTANT_ADDRESS_P): Reject TLS operands.
4509 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
4510 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
4511 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
4512 (UNSPEC_TLSLE): Define new constants.
4513 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
4514 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
4515 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
4516 (tie_symbolic_operand, tle_symbolic_operand): New
4518 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
4520 * aclocal.m4: Update macros for autoconf 2.59 style.
4521 * configure.ac: Likewise.
4523 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4525 * pa.c (function_value): Handle small aggregates on 32-bit targets.
4526 (function_arg): Pass small aggregates in general registers on 32-bit
4528 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
4530 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
4532 * Makefile.in (final.o): Fix dependencies.
4534 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
4538 * langhooks.h (struct lang_hooks): Add expr_to_decl.
4539 * langhooks.c (lhd_expr_to_decl): New.
4540 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
4542 (LANG_HOOKS_INITIALIZER): Update.
4543 * tree.c (recompute_tree_invarant_for_addr_expr): Call
4544 expr_to_decl langhook.
4545 * c-tree.h (c_expr_to_decl): Declare.
4546 * c-typeck.c (c_expr_to_decl): New.
4547 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
4549 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
4551 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
4554 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
4555 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
4557 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
4559 * Makefile.in: Adjust dependencies.
4560 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
4561 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
4562 * alias.c (rest_of_handle_cfg, pass_cfg): New.
4563 * bb-reorder.c (duplicate_computed_gotos): Make it static.
4564 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
4565 rest_of_compilation.
4567 * bb-reorder.c (gate_duplicate_computed_gotos,
4568 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
4569 rest_of_handle_reorder_blocks, pass_reorder_blocks,
4570 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
4571 pass_partition_blocks): New.
4572 * bt-load.c (gate_handle_branch_target_load_optimize,
4573 rest_of_handle_branch_target_load_optimize,
4574 pass_branch_target_load_optimize): New.
4575 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
4577 * cfglayout.c (pass_insn_locators_initialize): New.
4578 * cfgrtl.c (pass_free_cfg): New.
4579 * combine.c (gate_handle_combine, rest_of_handle_combine,
4581 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
4582 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
4583 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
4584 * except.c (pass_set_nothrow_function_flags,
4585 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
4587 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
4588 rest_of_handle_shorten_branches, pass_shorten_branches,
4589 rest_of_clean_state, pass_clean_state): New.
4590 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
4591 rest_of_handle_remove_death_notes, pass_remove_death_notes,
4592 rest_of_handle_life, pass_life, rest_of_handle_flow2,
4594 * function.c (pass_instantiate_virtual_regs, pass_init_function,
4595 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
4596 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4597 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
4599 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
4600 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
4601 pass_rtl_ifcvt, gate_handle_if_after_combine,
4602 rest_of_handle_if_after_combine, pass_if_after_combine,
4603 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
4604 pass_if_after_reload): New.
4605 * integrate.c (pass_initial_value_sets): New.
4606 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
4607 pass_purge_lineno_notes): New.
4608 * mode-switching.c (rest_of_handle_mode_switching,
4609 pass_mode_switching): New.
4610 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
4611 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
4613 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
4614 pass_loop_optimize): New.
4615 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
4617 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
4619 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
4620 pass_postreload_cse): New.
4621 * profile.c (gate_handle_profiling, pass_profiling,
4622 rest_of_handle_branch_prob, pass_branch_prob): New.
4623 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
4624 pass_split_before_regstack, gate_handle_split_before_regstack,
4625 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
4626 rest_of_handle_split_all_insns, pass_split_all_insns): New.
4627 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
4628 pass_stack_regs): New.
4629 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
4630 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
4631 pass_stack_adjustments): New.
4632 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
4633 pass_regrename): New.
4634 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
4635 pass_delay_slots, gate_handle_machine_reorg,
4636 rest_of_handle_machine_reorg, pass_machine_reorg): New.
4637 * rtl.h (extern void purge_line_number_notes): New.
4638 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
4639 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
4641 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
4643 * value-prof.c (gate_handle_value_profile_transformations,
4644 rest_of_handle_value_profile_transformations,
4645 pass_value_profile_transformations): New.
4646 * var-tracking.c (gate_handle_var_tracking,
4647 pass_variable_tracking): New.
4648 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
4650 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
4651 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
4652 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
4653 rest_of_handle_old_regalloc, rest_of_handle_regrename,
4654 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
4655 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
4656 rest_of_handle_gcse2, rest_of_handle_regmove,
4657 rest_of_handle_tracer, rest_of_handle_if_conversion,
4658 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
4659 rest_of_handle_web, rest_of_handle_branch_prob,
4660 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
4661 rest_of_handle_jump_bypass, rest_of_handle_combine,
4662 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4663 rest_of_handle_gcse, rest_of_handle_loop_optimize,
4664 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
4665 rest_of_handle_mode_switching, rest_of_handle_jump,
4666 rest_of_handle_eh, rest_of_handle_stack_adjustments,
4667 rest_of_handle_flow2, rest_of_handle_jump2,
4668 rest_of_handle_peephole2, rest_of_handle_postreload,
4669 rest_of_handle_shorten_branches, rest_of_clean_state,
4670 rest_of_compilation): Remove.
4672 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
4673 * passes.c (dump_flags, in_gimple_form, all_passes,
4674 all_ipa_passes, all_lowering_passes, register_one_dump_file,
4675 register_dump_files, next_pass_1, last_verified, execute_todo,
4676 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
4677 from tree-optimize.c.
4678 (init_optimization_passes): Moved from tree-optimize.c,
4679 adding the RTL optimizations.
4680 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
4681 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
4682 all_ipa_passes, all_lowering_passes, register_one_dump_file,
4683 register_dump_files, next_pass_1, last_verified, execute_todo,
4684 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
4685 init_tree_optimization_passes, ipa_passes): Delete.
4686 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
4688 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
4689 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
4691 (ipa_passes): Remove.
4692 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
4693 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
4694 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
4695 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
4696 (dump_info_p, dump_flag): Moved to tree-dump.h.
4698 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
4700 * passes.c (finish_optimization_passes): Use dump_begin
4701 and dump_end, TDI_end.
4702 (gate_rest_of_compilation): New.
4703 (pass_rest_of_compilation): Use it.
4704 (gate_postreload, pass_postreload): New.
4705 * toplev.c (general_init): Rename init_tree_optimization_passes.
4706 * toplev.h (init_tree_optimization_passes): Rename to
4707 init_optimizations_passes.
4708 * tree-dump.c (dump_flag): Make static.
4709 (dump_files): Remove RTL dumps.
4710 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
4711 pass_cleanup_cfg, pass_free_cfg_annotations,
4712 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
4713 pass_init_datastructures, pass_fixup_cfg): Make non-static.
4714 * tree-pretty-print.c: Include tree-pass.h.
4715 * cgraph.c: Include tree-dump.h.
4717 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
4719 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
4720 Only fall back to saying it points to readonly memory if
4723 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4725 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
4726 * config/m32r/m32r.c (m32r_compute_frame_size,
4727 m32r_expand_prologue): Take current_function_profile into
4728 account whenever we reference
4729 current_function_uses_pic_offset_table.
4730 (m32r_finalize_pic): Remove.
4731 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
4733 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
4735 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
4736 instead of $<. Don't remove ./as if it already exists.
4738 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4741 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
4742 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
4743 for complex modes when generating code for PA 1.0.
4744 (VALID_FP_MODE_P): New macro.
4745 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
4746 sets for all general and floating point modes. Align wide floating
4747 point modes to even register boundaries to comply with architectural
4749 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
4750 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
4751 (VALID_FP_MODE_P): New macro.
4752 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
4753 sets for all general and floating point modes. Align wide floating
4754 point modes to even register boundaries to comply with architectural
4757 2005-07-04 Diego Novillo <dnovillo@redhat.com>
4759 * tree-dump.c (dump_files): Initialize dump number for .cgraph
4762 2005-07-04 Diego Novillo <dnovillo@redhat.com>
4764 * tree-ssa-structalias.c: Don't include expr.h.
4766 2005-07-04 Diego Novillo <dnovillo@redhat.com>
4768 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
4771 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
4773 Fix PR tree-optimization/22279
4775 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
4778 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
4780 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
4782 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
4784 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
4785 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
4786 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
4787 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
4788 config/stormy16/stormy16.c, config/v850/v850.c,
4789 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
4790 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
4791 Avoid "." or "\n" at end of diagnostics and capital letters at
4792 start of diagnostics.
4793 * combine.c, cse.c: Don't translate dump file output.
4794 * toplev.c (print_version): Only translate output if going to
4797 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
4799 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
4800 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
4803 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4805 * pa.c (fix_range): Fix typo in comment.
4807 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
4809 * tree-vrp.c (extract_range_from_assert): Replace
4810 fold (build (...)) with fold_build2.
4812 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4814 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
4815 gcc_gfc_char_table, init_dynamic_gfc_info): New.
4816 (format_types_orig, handle_format_attribute): Add support for
4819 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
4821 * varasm.c (assemble_variable): Fix format specifier thinko.
4823 2005-07-03 Ira Rosen <irar@il.ibm.com>
4825 PR tree-optimization/22029 (and 22135)
4826 * tree-pretty-print.c (dump_generic_node): Check that the node is not
4827 a phi node before calling dump_vops.
4829 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
4831 * tree-dump.h (dump_string_field): Declare.
4832 * tree-dump.c: Use it instead of dump_string.
4833 (dump_string_field): Make non-static.
4835 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
4837 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
4838 up the minimal CFG stuff always when optimize > 0. Call
4839 split_all_insns_noflow in PIC case if needed.
4841 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
4842 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
4845 * c-decl.c (c_write_global_declarations): Dump contents of
4847 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
4848 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
4849 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
4850 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
4853 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
4855 * c-common.h (GCC_DIAG_STYLE): Define.
4856 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
4857 version for format checking to 4.1.
4858 * c-format.c: Include toplev.h after c-common.h.
4859 (enum format_type): Add gcc_tdiag_format_type.
4860 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
4861 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
4862 (format_types_orig): Add gcc_tdiag.
4863 (init_dynamic_diag_info): Support gcc_tdiag formats.
4864 (handle_format_attribute): Likewise.
4865 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
4866 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
4867 version for format checking to 4.1.
4868 (warning0, warning, error, pedwarn, sorry): Use
4870 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
4871 (finish_aliases_1): Do not use %qE.
4872 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
4873 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
4874 Correct format bugs.
4875 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
4876 parameter to unsigned HOST_WIDE_INT.
4877 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
4879 2005-07-02 David Edelsohn <edelsohn@gnu.org>
4882 * expr.c (write_complex_part): Use adjust_address for MEM.
4883 (read_complex_part): Same.
4885 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
4887 Fix PR tree-optimization/22280
4889 * tree-sra.c (generate_element_init): Remove useless loop.
4891 2005-07-02 Richard Henderson <rth@redhat.com>
4893 * config/alpha/alpha.c (alpha_legitimize_address): Check for
4895 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
4897 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
4900 * fold-const.c (fold_binary): Handle the return value of
4901 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
4902 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
4904 2005-07-02 Jeff Law <law@redhat.com>
4906 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
4907 a eliminate type conversion which feeds an equality comparison
4908 if the original type or either operand in the comparison is a
4911 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
4913 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
4914 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
4916 * config/avr/avr.c: Do not use '`' as left quote.
4917 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
4918 Remove "." from end of diagnostics. Make diagnostics start with
4921 2005-07-02 Zack Weinberg <zack@codesourcery.com>
4922 Joseph S. Myers <joseph@codesourcery.com>
4924 * toplev.c (default_tree_printer): Handle setting location with
4926 * c-objc.common.c (c_tree_printer): Likewise.
4927 * c-format.c (gcc_diag_flag_specs): Add '+'.
4928 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
4929 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
4931 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
4932 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
4933 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
4934 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
4935 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
4936 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
4937 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
4938 format arguments where %J is used without %D.
4940 2005-07-02 Jakub Jelinek <jakub@redhat.com>
4942 * gcc.c (LINK_SSP_SPEC): Define.
4943 (link_ssp_spec): New variable.
4944 (LINK_COMMAND_SPEC): Add %(link_ssp).
4945 (static_specs): Add link_ssp_spec.
4946 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
4947 * configure: Rebuilt.
4948 * config.in: Rebuilt.
4950 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4951 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4952 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4953 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4954 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
4955 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
4956 -0x7008(2) instead of reading __stack_chk_guard variable.
4957 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
4959 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
4960 (stack_protect_set, stack_protect_test): Use *_tls* patterns
4961 if TARGET_THREAD_SSP_OFFSET is defined.
4962 (stack_tls_protect_set_si, stack_tls_protect_set_di,
4963 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
4966 2005-06-27 Richard Henderson <rth@redhat.com>
4967 * libgcc-std.ver (GCC_4.1.0): New.
4968 * libgcc.h (__stack_chk_guard): Declare.
4969 (__stack_chk_fail, __stack_chk_fail_local): Declare.
4970 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
4971 * mklibgcc.in (lib2funcs): Add them.
4973 2005-07-01 Richard Henderson <rth@redhat.com>
4975 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
4976 void * before struct sigcontext *.
4977 (x86_fallback_frame_state): Likewise.
4979 2005-07-01 James E. Wilson <wilson@specifixinc.com>
4981 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
4983 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
4986 * tree-ssa-reassoc.c (should_transpose): Fix which operand
4987 we check for SSA_NAME for.
4989 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
4991 Fix PR tree-optimization/22071
4993 * tree-ssa-structalias.c (offset_overlaps_with_access): New
4995 (get_constraint_for_component_ref): Use it.
4997 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
5000 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
5001 print out the last new line.
5003 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
5005 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
5006 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
5007 * config/cris/cris.c (cris_conditional_register_usage): Adjust
5008 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
5009 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
5010 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
5011 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
5012 (enum reg_class): New member CC0_REGS.
5013 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
5014 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
5015 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
5016 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
5017 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
5018 Adjust for register now described.
5020 2005-07-01 Jakub Jelinek <jakub@redhat.com>
5023 * config/i386/i386.md (stack_protect_test_si,
5024 stack_protect_test_di): Add earlyclobber for scratch 3.
5025 * config/rs6000/rs6000.md (stack_protect_testsi,
5026 stack_protect_testdi): Add earlyclobber for scratch 3,
5027 remove earlyclobber from scratch 4.
5029 Older entries for 2005 can be found in ChangeLog-2005.
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